145d3d428SAnirudh Venkataramanan // SPDX-License-Identifier: GPL-2.0 245d3d428SAnirudh Venkataramanan /* Copyright (c) 2018, Intel Corporation. */ 345d3d428SAnirudh Venkataramanan 445d3d428SAnirudh Venkataramanan #include "ice.h" 5eff380aaSAnirudh Venkataramanan #include "ice_base.h" 6c90ed40cSTony Nguyen #include "ice_flow.h" 745d3d428SAnirudh Venkataramanan #include "ice_lib.h" 81b8f15b6SMichal Swiatkowski #include "ice_fltr.h" 97b9ffc76SAnirudh Venkataramanan #include "ice_dcb_lib.h" 1048d40025SJacob Keller #include "ice_devlink.h" 1145d3d428SAnirudh Venkataramanan 1245d3d428SAnirudh Venkataramanan /** 13964674f1SAnirudh Venkataramanan * ice_vsi_type_str - maps VSI type enum to string equivalents 146dae8aa0SBruce Allan * @vsi_type: VSI type enum 15964674f1SAnirudh Venkataramanan */ 166dae8aa0SBruce Allan const char *ice_vsi_type_str(enum ice_vsi_type vsi_type) 17964674f1SAnirudh Venkataramanan { 186dae8aa0SBruce Allan switch (vsi_type) { 19964674f1SAnirudh Venkataramanan case ICE_VSI_PF: 20964674f1SAnirudh Venkataramanan return "ICE_VSI_PF"; 21964674f1SAnirudh Venkataramanan case ICE_VSI_VF: 22964674f1SAnirudh Venkataramanan return "ICE_VSI_VF"; 23148beb61SHenry Tieman case ICE_VSI_CTRL: 24148beb61SHenry Tieman return "ICE_VSI_CTRL"; 25964674f1SAnirudh Venkataramanan case ICE_VSI_LB: 26964674f1SAnirudh Venkataramanan return "ICE_VSI_LB"; 27964674f1SAnirudh Venkataramanan default: 28964674f1SAnirudh Venkataramanan return "unknown"; 29964674f1SAnirudh Venkataramanan } 30964674f1SAnirudh Venkataramanan } 31964674f1SAnirudh Venkataramanan 32964674f1SAnirudh Venkataramanan /** 3313a6233bSBrett Creeley * ice_vsi_ctrl_all_rx_rings - Start or stop a VSI's Rx rings 34d02f734cSMaciej Fijalkowski * @vsi: the VSI being configured 35d02f734cSMaciej Fijalkowski * @ena: start or stop the Rx rings 3613a6233bSBrett Creeley * 3713a6233bSBrett Creeley * First enable/disable all of the Rx rings, flush any remaining writes, and 3813a6233bSBrett Creeley * then verify that they have all been enabled/disabled successfully. This will 3913a6233bSBrett Creeley * let all of the register writes complete when enabling/disabling the Rx rings 4013a6233bSBrett Creeley * before waiting for the change in hardware to complete. 41d02f734cSMaciej Fijalkowski */ 4213a6233bSBrett Creeley static int ice_vsi_ctrl_all_rx_rings(struct ice_vsi *vsi, bool ena) 43d02f734cSMaciej Fijalkowski { 4488865fc4SKarol Kolacinski int ret = 0; 4588865fc4SKarol Kolacinski u16 i; 46d02f734cSMaciej Fijalkowski 4713a6233bSBrett Creeley for (i = 0; i < vsi->num_rxq; i++) 4813a6233bSBrett Creeley ice_vsi_ctrl_one_rx_ring(vsi, ena, i, false); 4913a6233bSBrett Creeley 5013a6233bSBrett Creeley ice_flush(&vsi->back->hw); 5113a6233bSBrett Creeley 52d02f734cSMaciej Fijalkowski for (i = 0; i < vsi->num_rxq; i++) { 5313a6233bSBrett Creeley ret = ice_vsi_wait_one_rx_ring(vsi, ena, i); 54d02f734cSMaciej Fijalkowski if (ret) 55d02f734cSMaciej Fijalkowski break; 5672adf242SAnirudh Venkataramanan } 5772adf242SAnirudh Venkataramanan 5872adf242SAnirudh Venkataramanan return ret; 5972adf242SAnirudh Venkataramanan } 6072adf242SAnirudh Venkataramanan 6172adf242SAnirudh Venkataramanan /** 6228c2a645SAnirudh Venkataramanan * ice_vsi_alloc_arrays - Allocate queue and vector pointer arrays for the VSI 6328c2a645SAnirudh Venkataramanan * @vsi: VSI pointer 6428c2a645SAnirudh Venkataramanan * 6528c2a645SAnirudh Venkataramanan * On error: returns error code (negative) 6628c2a645SAnirudh Venkataramanan * On success: returns 0 6728c2a645SAnirudh Venkataramanan */ 68a85a3847SBrett Creeley static int ice_vsi_alloc_arrays(struct ice_vsi *vsi) 6928c2a645SAnirudh Venkataramanan { 7028c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 714015d11eSBrett Creeley struct device *dev; 724015d11eSBrett Creeley 734015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 7428c2a645SAnirudh Venkataramanan 7528c2a645SAnirudh Venkataramanan /* allocate memory for both Tx and Rx ring pointers */ 764015d11eSBrett Creeley vsi->tx_rings = devm_kcalloc(dev, vsi->alloc_txq, 77c6dfd690SBruce Allan sizeof(*vsi->tx_rings), GFP_KERNEL); 7828c2a645SAnirudh Venkataramanan if (!vsi->tx_rings) 7978b5713aSAnirudh Venkataramanan return -ENOMEM; 8028c2a645SAnirudh Venkataramanan 814015d11eSBrett Creeley vsi->rx_rings = devm_kcalloc(dev, vsi->alloc_rxq, 82c6dfd690SBruce Allan sizeof(*vsi->rx_rings), GFP_KERNEL); 8328c2a645SAnirudh Venkataramanan if (!vsi->rx_rings) 8478b5713aSAnirudh Venkataramanan goto err_rings; 8578b5713aSAnirudh Venkataramanan 86efc2214bSMaciej Fijalkowski /* XDP will have vsi->alloc_txq Tx queues as well, so double the size */ 874015d11eSBrett Creeley vsi->txq_map = devm_kcalloc(dev, (2 * vsi->alloc_txq), 8878b5713aSAnirudh Venkataramanan sizeof(*vsi->txq_map), GFP_KERNEL); 8978b5713aSAnirudh Venkataramanan 9078b5713aSAnirudh Venkataramanan if (!vsi->txq_map) 9178b5713aSAnirudh Venkataramanan goto err_txq_map; 9278b5713aSAnirudh Venkataramanan 934015d11eSBrett Creeley vsi->rxq_map = devm_kcalloc(dev, vsi->alloc_rxq, 9478b5713aSAnirudh Venkataramanan sizeof(*vsi->rxq_map), GFP_KERNEL); 9578b5713aSAnirudh Venkataramanan if (!vsi->rxq_map) 9678b5713aSAnirudh Venkataramanan goto err_rxq_map; 9778b5713aSAnirudh Venkataramanan 980e674aebSAnirudh Venkataramanan /* There is no need to allocate q_vectors for a loopback VSI. */ 990e674aebSAnirudh Venkataramanan if (vsi->type == ICE_VSI_LB) 1000e674aebSAnirudh Venkataramanan return 0; 1010e674aebSAnirudh Venkataramanan 10228c2a645SAnirudh Venkataramanan /* allocate memory for q_vector pointers */ 1034015d11eSBrett Creeley vsi->q_vectors = devm_kcalloc(dev, vsi->num_q_vectors, 104a85a3847SBrett Creeley sizeof(*vsi->q_vectors), GFP_KERNEL); 10528c2a645SAnirudh Venkataramanan if (!vsi->q_vectors) 10628c2a645SAnirudh Venkataramanan goto err_vectors; 10728c2a645SAnirudh Venkataramanan 10828c2a645SAnirudh Venkataramanan return 0; 10928c2a645SAnirudh Venkataramanan 11028c2a645SAnirudh Venkataramanan err_vectors: 1114015d11eSBrett Creeley devm_kfree(dev, vsi->rxq_map); 11278b5713aSAnirudh Venkataramanan err_rxq_map: 1134015d11eSBrett Creeley devm_kfree(dev, vsi->txq_map); 11478b5713aSAnirudh Venkataramanan err_txq_map: 1154015d11eSBrett Creeley devm_kfree(dev, vsi->rx_rings); 11678b5713aSAnirudh Venkataramanan err_rings: 1174015d11eSBrett Creeley devm_kfree(dev, vsi->tx_rings); 11828c2a645SAnirudh Venkataramanan return -ENOMEM; 11928c2a645SAnirudh Venkataramanan } 12028c2a645SAnirudh Venkataramanan 12128c2a645SAnirudh Venkataramanan /** 122ad71b256SBrett Creeley * ice_vsi_set_num_desc - Set number of descriptors for queues on this VSI 123ad71b256SBrett Creeley * @vsi: the VSI being configured 124ad71b256SBrett Creeley */ 125ad71b256SBrett Creeley static void ice_vsi_set_num_desc(struct ice_vsi *vsi) 126ad71b256SBrett Creeley { 127ad71b256SBrett Creeley switch (vsi->type) { 128ad71b256SBrett Creeley case ICE_VSI_PF: 129148beb61SHenry Tieman case ICE_VSI_CTRL: 1300e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 131a02016deSPaul M Stillwell Jr /* a user could change the values of num_[tr]x_desc using 132a02016deSPaul M Stillwell Jr * ethtool -G so we should keep those values instead of 133a02016deSPaul M Stillwell Jr * overwriting them with the defaults. 134a02016deSPaul M Stillwell Jr */ 135a02016deSPaul M Stillwell Jr if (!vsi->num_rx_desc) 136ad71b256SBrett Creeley vsi->num_rx_desc = ICE_DFLT_NUM_RX_DESC; 137a02016deSPaul M Stillwell Jr if (!vsi->num_tx_desc) 138ad71b256SBrett Creeley vsi->num_tx_desc = ICE_DFLT_NUM_TX_DESC; 139ad71b256SBrett Creeley break; 140ad71b256SBrett Creeley default: 14119cce2c6SAnirudh Venkataramanan dev_dbg(ice_pf_to_dev(vsi->back), "Not setting number of Tx/Rx descriptors for VSI type %d\n", 142ad71b256SBrett Creeley vsi->type); 143ad71b256SBrett Creeley break; 144ad71b256SBrett Creeley } 145ad71b256SBrett Creeley } 146ad71b256SBrett Creeley 147ad71b256SBrett Creeley /** 148ad71b256SBrett Creeley * ice_vsi_set_num_qs - Set number of queues, descriptors and vectors for a VSI 14928c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 150f9867df6SAnirudh Venkataramanan * @vf_id: ID of the VF being configured 15128c2a645SAnirudh Venkataramanan * 15228c2a645SAnirudh Venkataramanan * Return 0 on success and a negative value on error 15328c2a645SAnirudh Venkataramanan */ 1545743020dSAkeem G Abodunrin static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id) 15528c2a645SAnirudh Venkataramanan { 15628c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 1575743020dSAkeem G Abodunrin struct ice_vf *vf = NULL; 1585743020dSAkeem G Abodunrin 1595743020dSAkeem G Abodunrin if (vsi->type == ICE_VSI_VF) 1605743020dSAkeem G Abodunrin vsi->vf_id = vf_id; 161c931c782SBrett Creeley else 162c931c782SBrett Creeley vsi->vf_id = ICE_INVAL_VFID; 1635743020dSAkeem G Abodunrin 16428c2a645SAnirudh Venkataramanan switch (vsi->type) { 16528c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 16687324e74SHenry Tieman if (vsi->req_txq) { 16787324e74SHenry Tieman vsi->alloc_txq = vsi->req_txq; 16887324e74SHenry Tieman vsi->num_txq = vsi->req_txq; 169b38b7f2bSSalil Mehta } else { 170b38b7f2bSSalil Mehta vsi->alloc_txq = min3(pf->num_lan_msix, 171b38b7f2bSSalil Mehta ice_get_avail_txq_count(pf), 172b38b7f2bSSalil Mehta (u16)num_online_cpus()); 17387324e74SHenry Tieman } 1748c243700SAnirudh Venkataramanan 1758c243700SAnirudh Venkataramanan pf->num_lan_tx = vsi->alloc_txq; 1768c243700SAnirudh Venkataramanan 1778c243700SAnirudh Venkataramanan /* only 1 Rx queue unless RSS is enabled */ 17887324e74SHenry Tieman if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 1798c243700SAnirudh Venkataramanan vsi->alloc_rxq = 1; 18087324e74SHenry Tieman } else { 18187324e74SHenry Tieman if (vsi->req_rxq) { 18287324e74SHenry Tieman vsi->alloc_rxq = vsi->req_rxq; 18387324e74SHenry Tieman vsi->num_rxq = vsi->req_rxq; 184b38b7f2bSSalil Mehta } else { 185b38b7f2bSSalil Mehta vsi->alloc_rxq = min3(pf->num_lan_msix, 186b38b7f2bSSalil Mehta ice_get_avail_rxq_count(pf), 187b38b7f2bSSalil Mehta (u16)num_online_cpus()); 18887324e74SHenry Tieman } 18987324e74SHenry Tieman } 1908c243700SAnirudh Venkataramanan 1918c243700SAnirudh Venkataramanan pf->num_lan_rx = vsi->alloc_rxq; 1928c243700SAnirudh Venkataramanan 193f3fe97f6SBrett Creeley vsi->num_q_vectors = min_t(int, pf->num_lan_msix, 194f3fe97f6SBrett Creeley max_t(int, vsi->alloc_rxq, 195f3fe97f6SBrett Creeley vsi->alloc_txq)); 19628c2a645SAnirudh Venkataramanan break; 1978ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 1985743020dSAkeem G Abodunrin vf = &pf->vf[vsi->vf_id]; 1995743020dSAkeem G Abodunrin vsi->alloc_txq = vf->num_vf_qs; 2005743020dSAkeem G Abodunrin vsi->alloc_rxq = vf->num_vf_qs; 20146c276ceSBrett Creeley /* pf->num_msix_per_vf includes (VF miscellaneous vector + 2028ede0178SAnirudh Venkataramanan * data queue interrupts). Since vsi->num_q_vectors is number 203047e52c0SAnirudh Venkataramanan * of queues vectors, subtract 1 (ICE_NONQ_VECS_VF) from the 204047e52c0SAnirudh Venkataramanan * original vector count 2058ede0178SAnirudh Venkataramanan */ 20646c276ceSBrett Creeley vsi->num_q_vectors = pf->num_msix_per_vf - ICE_NONQ_VECS_VF; 2078ede0178SAnirudh Venkataramanan break; 208148beb61SHenry Tieman case ICE_VSI_CTRL: 209148beb61SHenry Tieman vsi->alloc_txq = 1; 210148beb61SHenry Tieman vsi->alloc_rxq = 1; 211148beb61SHenry Tieman vsi->num_q_vectors = 1; 212148beb61SHenry Tieman break; 2130e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 2140e674aebSAnirudh Venkataramanan vsi->alloc_txq = 1; 2150e674aebSAnirudh Venkataramanan vsi->alloc_rxq = 1; 2160e674aebSAnirudh Venkataramanan break; 21728c2a645SAnirudh Venkataramanan default: 2184015d11eSBrett Creeley dev_warn(ice_pf_to_dev(pf), "Unknown VSI type %d\n", vsi->type); 21928c2a645SAnirudh Venkataramanan break; 22028c2a645SAnirudh Venkataramanan } 221ad71b256SBrett Creeley 222ad71b256SBrett Creeley ice_vsi_set_num_desc(vsi); 22328c2a645SAnirudh Venkataramanan } 22428c2a645SAnirudh Venkataramanan 22528c2a645SAnirudh Venkataramanan /** 22628c2a645SAnirudh Venkataramanan * ice_get_free_slot - get the next non-NULL location index in array 22728c2a645SAnirudh Venkataramanan * @array: array to search 22828c2a645SAnirudh Venkataramanan * @size: size of the array 22928c2a645SAnirudh Venkataramanan * @curr: last known occupied index to be used as a search hint 23028c2a645SAnirudh Venkataramanan * 23128c2a645SAnirudh Venkataramanan * void * is being used to keep the functionality generic. This lets us use this 23228c2a645SAnirudh Venkataramanan * function on any array of pointers. 23328c2a645SAnirudh Venkataramanan */ 23437bb8390SAnirudh Venkataramanan static int ice_get_free_slot(void *array, int size, int curr) 23528c2a645SAnirudh Venkataramanan { 23628c2a645SAnirudh Venkataramanan int **tmp_array = (int **)array; 23728c2a645SAnirudh Venkataramanan int next; 23828c2a645SAnirudh Venkataramanan 23928c2a645SAnirudh Venkataramanan if (curr < (size - 1) && !tmp_array[curr + 1]) { 24028c2a645SAnirudh Venkataramanan next = curr + 1; 24128c2a645SAnirudh Venkataramanan } else { 24228c2a645SAnirudh Venkataramanan int i = 0; 24328c2a645SAnirudh Venkataramanan 24428c2a645SAnirudh Venkataramanan while ((i < size) && (tmp_array[i])) 24528c2a645SAnirudh Venkataramanan i++; 24628c2a645SAnirudh Venkataramanan if (i == size) 24728c2a645SAnirudh Venkataramanan next = ICE_NO_VSI; 24828c2a645SAnirudh Venkataramanan else 24928c2a645SAnirudh Venkataramanan next = i; 25028c2a645SAnirudh Venkataramanan } 25128c2a645SAnirudh Venkataramanan return next; 25228c2a645SAnirudh Venkataramanan } 25328c2a645SAnirudh Venkataramanan 25428c2a645SAnirudh Venkataramanan /** 2555153a18eSAnirudh Venkataramanan * ice_vsi_delete - delete a VSI from the switch 2565153a18eSAnirudh Venkataramanan * @vsi: pointer to VSI being removed 2575153a18eSAnirudh Venkataramanan */ 258135f4b9eSJacob Keller static void ice_vsi_delete(struct ice_vsi *vsi) 2595153a18eSAnirudh Venkataramanan { 2605153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 261198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 2625153a18eSAnirudh Venkataramanan enum ice_status status; 2635153a18eSAnirudh Venkataramanan 2649efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 265198a666aSBruce Allan if (!ctxt) 266198a666aSBruce Allan return; 267198a666aSBruce Allan 2688ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 269198a666aSBruce Allan ctxt->vf_num = vsi->vf_id; 270198a666aSBruce Allan ctxt->vsi_num = vsi->vsi_num; 2715153a18eSAnirudh Venkataramanan 272198a666aSBruce Allan memcpy(&ctxt->info, &vsi->info, sizeof(ctxt->info)); 2735153a18eSAnirudh Venkataramanan 274198a666aSBruce Allan status = ice_free_vsi(&pf->hw, vsi->idx, ctxt, false, NULL); 2755153a18eSAnirudh Venkataramanan if (status) 2760fee3577SLihong Yang dev_err(ice_pf_to_dev(pf), "Failed to delete VSI %i in FW - error: %s\n", 2770fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 278198a666aSBruce Allan 2799efe35d0STony Nguyen kfree(ctxt); 2805153a18eSAnirudh Venkataramanan } 2815153a18eSAnirudh Venkataramanan 2825153a18eSAnirudh Venkataramanan /** 283a85a3847SBrett Creeley * ice_vsi_free_arrays - De-allocate queue and vector pointer arrays for the VSI 28407309a0eSAnirudh Venkataramanan * @vsi: pointer to VSI being cleared 28507309a0eSAnirudh Venkataramanan */ 286a85a3847SBrett Creeley static void ice_vsi_free_arrays(struct ice_vsi *vsi) 28707309a0eSAnirudh Venkataramanan { 28807309a0eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 2894015d11eSBrett Creeley struct device *dev; 2904015d11eSBrett Creeley 2914015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 29207309a0eSAnirudh Venkataramanan 29307309a0eSAnirudh Venkataramanan /* free the ring and vector containers */ 294a85a3847SBrett Creeley if (vsi->q_vectors) { 2954015d11eSBrett Creeley devm_kfree(dev, vsi->q_vectors); 29607309a0eSAnirudh Venkataramanan vsi->q_vectors = NULL; 29707309a0eSAnirudh Venkataramanan } 29807309a0eSAnirudh Venkataramanan if (vsi->tx_rings) { 2994015d11eSBrett Creeley devm_kfree(dev, vsi->tx_rings); 30007309a0eSAnirudh Venkataramanan vsi->tx_rings = NULL; 30107309a0eSAnirudh Venkataramanan } 30207309a0eSAnirudh Venkataramanan if (vsi->rx_rings) { 3034015d11eSBrett Creeley devm_kfree(dev, vsi->rx_rings); 30407309a0eSAnirudh Venkataramanan vsi->rx_rings = NULL; 30507309a0eSAnirudh Venkataramanan } 30678b5713aSAnirudh Venkataramanan if (vsi->txq_map) { 3074015d11eSBrett Creeley devm_kfree(dev, vsi->txq_map); 30878b5713aSAnirudh Venkataramanan vsi->txq_map = NULL; 30978b5713aSAnirudh Venkataramanan } 31078b5713aSAnirudh Venkataramanan if (vsi->rxq_map) { 3114015d11eSBrett Creeley devm_kfree(dev, vsi->rxq_map); 31278b5713aSAnirudh Venkataramanan vsi->rxq_map = NULL; 31378b5713aSAnirudh Venkataramanan } 31407309a0eSAnirudh Venkataramanan } 31507309a0eSAnirudh Venkataramanan 31607309a0eSAnirudh Venkataramanan /** 31707309a0eSAnirudh Venkataramanan * ice_vsi_clear - clean up and deallocate the provided VSI 31807309a0eSAnirudh Venkataramanan * @vsi: pointer to VSI being cleared 31907309a0eSAnirudh Venkataramanan * 32007309a0eSAnirudh Venkataramanan * This deallocates the VSI's queue resources, removes it from the PF's 32107309a0eSAnirudh Venkataramanan * VSI array if necessary, and deallocates the VSI 32207309a0eSAnirudh Venkataramanan * 32307309a0eSAnirudh Venkataramanan * Returns 0 on success, negative on failure 32407309a0eSAnirudh Venkataramanan */ 325135f4b9eSJacob Keller static int ice_vsi_clear(struct ice_vsi *vsi) 32607309a0eSAnirudh Venkataramanan { 32707309a0eSAnirudh Venkataramanan struct ice_pf *pf = NULL; 3284015d11eSBrett Creeley struct device *dev; 32907309a0eSAnirudh Venkataramanan 33007309a0eSAnirudh Venkataramanan if (!vsi) 33107309a0eSAnirudh Venkataramanan return 0; 33207309a0eSAnirudh Venkataramanan 33307309a0eSAnirudh Venkataramanan if (!vsi->back) 33407309a0eSAnirudh Venkataramanan return -EINVAL; 33507309a0eSAnirudh Venkataramanan 33607309a0eSAnirudh Venkataramanan pf = vsi->back; 3374015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 33807309a0eSAnirudh Venkataramanan 33907309a0eSAnirudh Venkataramanan if (!pf->vsi[vsi->idx] || pf->vsi[vsi->idx] != vsi) { 3404015d11eSBrett Creeley dev_dbg(dev, "vsi does not exist at pf->vsi[%d]\n", vsi->idx); 34107309a0eSAnirudh Venkataramanan return -EINVAL; 34207309a0eSAnirudh Venkataramanan } 34307309a0eSAnirudh Venkataramanan 34407309a0eSAnirudh Venkataramanan mutex_lock(&pf->sw_mutex); 34507309a0eSAnirudh Venkataramanan /* updates the PF for this cleared VSI */ 34607309a0eSAnirudh Venkataramanan 34707309a0eSAnirudh Venkataramanan pf->vsi[vsi->idx] = NULL; 348148beb61SHenry Tieman if (vsi->idx < pf->next_vsi && vsi->type != ICE_VSI_CTRL) 34907309a0eSAnirudh Venkataramanan pf->next_vsi = vsi->idx; 350da62c5ffSQi Zhang if (vsi->idx < pf->next_vsi && vsi->type == ICE_VSI_CTRL && 351da62c5ffSQi Zhang vsi->vf_id != ICE_INVAL_VFID) 352da62c5ffSQi Zhang pf->next_vsi = vsi->idx; 35307309a0eSAnirudh Venkataramanan 354a85a3847SBrett Creeley ice_vsi_free_arrays(vsi); 35507309a0eSAnirudh Venkataramanan mutex_unlock(&pf->sw_mutex); 3564015d11eSBrett Creeley devm_kfree(dev, vsi); 35707309a0eSAnirudh Venkataramanan 35807309a0eSAnirudh Venkataramanan return 0; 35907309a0eSAnirudh Venkataramanan } 36007309a0eSAnirudh Venkataramanan 36107309a0eSAnirudh Venkataramanan /** 362148beb61SHenry Tieman * ice_msix_clean_ctrl_vsi - MSIX mode interrupt handler for ctrl VSI 363148beb61SHenry Tieman * @irq: interrupt number 364148beb61SHenry Tieman * @data: pointer to a q_vector 365148beb61SHenry Tieman */ 366148beb61SHenry Tieman static irqreturn_t ice_msix_clean_ctrl_vsi(int __always_unused irq, void *data) 367148beb61SHenry Tieman { 368148beb61SHenry Tieman struct ice_q_vector *q_vector = (struct ice_q_vector *)data; 369148beb61SHenry Tieman 370148beb61SHenry Tieman if (!q_vector->tx.ring) 371148beb61SHenry Tieman return IRQ_HANDLED; 372148beb61SHenry Tieman 373148beb61SHenry Tieman #define FDIR_RX_DESC_CLEAN_BUDGET 64 374148beb61SHenry Tieman ice_clean_rx_irq(q_vector->rx.ring, FDIR_RX_DESC_CLEAN_BUDGET); 375148beb61SHenry Tieman ice_clean_ctrl_tx_irq(q_vector->tx.ring); 376148beb61SHenry Tieman 377148beb61SHenry Tieman return IRQ_HANDLED; 378148beb61SHenry Tieman } 379148beb61SHenry Tieman 380148beb61SHenry Tieman /** 3815153a18eSAnirudh Venkataramanan * ice_msix_clean_rings - MSIX mode Interrupt Handler 3825153a18eSAnirudh Venkataramanan * @irq: interrupt number 3835153a18eSAnirudh Venkataramanan * @data: pointer to a q_vector 3845153a18eSAnirudh Venkataramanan */ 385f3aaaaaaSAnirudh Venkataramanan static irqreturn_t ice_msix_clean_rings(int __always_unused irq, void *data) 3865153a18eSAnirudh Venkataramanan { 3875153a18eSAnirudh Venkataramanan struct ice_q_vector *q_vector = (struct ice_q_vector *)data; 3885153a18eSAnirudh Venkataramanan 3895153a18eSAnirudh Venkataramanan if (!q_vector->tx.ring && !q_vector->rx.ring) 3905153a18eSAnirudh Venkataramanan return IRQ_HANDLED; 3915153a18eSAnirudh Venkataramanan 392cdf1f1f1SJacob Keller q_vector->total_events++; 393cdf1f1f1SJacob Keller 3945153a18eSAnirudh Venkataramanan napi_schedule(&q_vector->napi); 3955153a18eSAnirudh Venkataramanan 3965153a18eSAnirudh Venkataramanan return IRQ_HANDLED; 3975153a18eSAnirudh Venkataramanan } 3985153a18eSAnirudh Venkataramanan 3995153a18eSAnirudh Venkataramanan /** 40037bb8390SAnirudh Venkataramanan * ice_vsi_alloc - Allocates the next available struct VSI in the PF 40137bb8390SAnirudh Venkataramanan * @pf: board private structure 4026dae8aa0SBruce Allan * @vsi_type: type of VSI 403f9867df6SAnirudh Venkataramanan * @vf_id: ID of the VF being configured 40437bb8390SAnirudh Venkataramanan * 40537bb8390SAnirudh Venkataramanan * returns a pointer to a VSI on success, NULL on failure. 40637bb8390SAnirudh Venkataramanan */ 4075743020dSAkeem G Abodunrin static struct ice_vsi * 4086dae8aa0SBruce Allan ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type vsi_type, u16 vf_id) 40937bb8390SAnirudh Venkataramanan { 4104015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 41137bb8390SAnirudh Venkataramanan struct ice_vsi *vsi = NULL; 41237bb8390SAnirudh Venkataramanan 41337bb8390SAnirudh Venkataramanan /* Need to protect the allocation of the VSIs at the PF level */ 41437bb8390SAnirudh Venkataramanan mutex_lock(&pf->sw_mutex); 41537bb8390SAnirudh Venkataramanan 41637bb8390SAnirudh Venkataramanan /* If we have already allocated our maximum number of VSIs, 41737bb8390SAnirudh Venkataramanan * pf->next_vsi will be ICE_NO_VSI. If not, pf->next_vsi index 41837bb8390SAnirudh Venkataramanan * is available to be populated 41937bb8390SAnirudh Venkataramanan */ 42037bb8390SAnirudh Venkataramanan if (pf->next_vsi == ICE_NO_VSI) { 4214015d11eSBrett Creeley dev_dbg(dev, "out of VSI slots!\n"); 42237bb8390SAnirudh Venkataramanan goto unlock_pf; 42337bb8390SAnirudh Venkataramanan } 42437bb8390SAnirudh Venkataramanan 4254015d11eSBrett Creeley vsi = devm_kzalloc(dev, sizeof(*vsi), GFP_KERNEL); 42637bb8390SAnirudh Venkataramanan if (!vsi) 42737bb8390SAnirudh Venkataramanan goto unlock_pf; 42837bb8390SAnirudh Venkataramanan 4296dae8aa0SBruce Allan vsi->type = vsi_type; 43037bb8390SAnirudh Venkataramanan vsi->back = pf; 431e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_DOWN, vsi->state); 4329d56b7fdSJesse Brandeburg 4336dae8aa0SBruce Allan if (vsi_type == ICE_VSI_VF) 4345743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, vf_id); 4355743020dSAkeem G Abodunrin else 4365743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID); 43737bb8390SAnirudh Venkataramanan 43837bb8390SAnirudh Venkataramanan switch (vsi->type) { 43937bb8390SAnirudh Venkataramanan case ICE_VSI_PF: 440a85a3847SBrett Creeley if (ice_vsi_alloc_arrays(vsi)) 44137bb8390SAnirudh Venkataramanan goto err_rings; 44237bb8390SAnirudh Venkataramanan 44337bb8390SAnirudh Venkataramanan /* Setup default MSIX irq handler for VSI */ 44437bb8390SAnirudh Venkataramanan vsi->irq_handler = ice_msix_clean_rings; 44537bb8390SAnirudh Venkataramanan break; 446148beb61SHenry Tieman case ICE_VSI_CTRL: 447148beb61SHenry Tieman if (ice_vsi_alloc_arrays(vsi)) 448148beb61SHenry Tieman goto err_rings; 449148beb61SHenry Tieman 450148beb61SHenry Tieman /* Setup ctrl VSI MSIX irq handler */ 451148beb61SHenry Tieman vsi->irq_handler = ice_msix_clean_ctrl_vsi; 452148beb61SHenry Tieman break; 4538ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 454a85a3847SBrett Creeley if (ice_vsi_alloc_arrays(vsi)) 4558ede0178SAnirudh Venkataramanan goto err_rings; 4568ede0178SAnirudh Venkataramanan break; 4570e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 4580e674aebSAnirudh Venkataramanan if (ice_vsi_alloc_arrays(vsi)) 4590e674aebSAnirudh Venkataramanan goto err_rings; 4600e674aebSAnirudh Venkataramanan break; 46137bb8390SAnirudh Venkataramanan default: 4624015d11eSBrett Creeley dev_warn(dev, "Unknown VSI type %d\n", vsi->type); 46337bb8390SAnirudh Venkataramanan goto unlock_pf; 46437bb8390SAnirudh Venkataramanan } 46537bb8390SAnirudh Venkataramanan 466da62c5ffSQi Zhang if (vsi->type == ICE_VSI_CTRL && vf_id == ICE_INVAL_VFID) { 467da62c5ffSQi Zhang /* Use the last VSI slot as the index for PF control VSI */ 468148beb61SHenry Tieman vsi->idx = pf->num_alloc_vsi - 1; 469148beb61SHenry Tieman pf->ctrl_vsi_idx = vsi->idx; 470148beb61SHenry Tieman pf->vsi[vsi->idx] = vsi; 471148beb61SHenry Tieman } else { 472148beb61SHenry Tieman /* fill slot and make note of the index */ 473148beb61SHenry Tieman vsi->idx = pf->next_vsi; 47437bb8390SAnirudh Venkataramanan pf->vsi[pf->next_vsi] = vsi; 47537bb8390SAnirudh Venkataramanan 47637bb8390SAnirudh Venkataramanan /* prepare pf->next_vsi for next use */ 47737bb8390SAnirudh Venkataramanan pf->next_vsi = ice_get_free_slot(pf->vsi, pf->num_alloc_vsi, 47837bb8390SAnirudh Venkataramanan pf->next_vsi); 479148beb61SHenry Tieman } 480da62c5ffSQi Zhang 481da62c5ffSQi Zhang if (vsi->type == ICE_VSI_CTRL && vf_id != ICE_INVAL_VFID) 482da62c5ffSQi Zhang pf->vf[vf_id].ctrl_vsi_idx = vsi->idx; 48337bb8390SAnirudh Venkataramanan goto unlock_pf; 48437bb8390SAnirudh Venkataramanan 48537bb8390SAnirudh Venkataramanan err_rings: 4864015d11eSBrett Creeley devm_kfree(dev, vsi); 48737bb8390SAnirudh Venkataramanan vsi = NULL; 48837bb8390SAnirudh Venkataramanan unlock_pf: 48937bb8390SAnirudh Venkataramanan mutex_unlock(&pf->sw_mutex); 49037bb8390SAnirudh Venkataramanan return vsi; 49137bb8390SAnirudh Venkataramanan } 49237bb8390SAnirudh Venkataramanan 49337bb8390SAnirudh Venkataramanan /** 494148beb61SHenry Tieman * ice_alloc_fd_res - Allocate FD resource for a VSI 495148beb61SHenry Tieman * @vsi: pointer to the ice_vsi 496148beb61SHenry Tieman * 497148beb61SHenry Tieman * This allocates the FD resources 498148beb61SHenry Tieman * 499148beb61SHenry Tieman * Returns 0 on success, -EPERM on no-op or -EIO on failure 500148beb61SHenry Tieman */ 501148beb61SHenry Tieman static int ice_alloc_fd_res(struct ice_vsi *vsi) 502148beb61SHenry Tieman { 503148beb61SHenry Tieman struct ice_pf *pf = vsi->back; 504148beb61SHenry Tieman u32 g_val, b_val; 505148beb61SHenry Tieman 506148beb61SHenry Tieman /* Flow Director filters are only allocated/assigned to the PF VSI which 507148beb61SHenry Tieman * passes the traffic. The CTRL VSI is only used to add/delete filters 508148beb61SHenry Tieman * so we don't allocate resources to it 509148beb61SHenry Tieman */ 510148beb61SHenry Tieman 511148beb61SHenry Tieman /* FD filters from guaranteed pool per VSI */ 512148beb61SHenry Tieman g_val = pf->hw.func_caps.fd_fltr_guar; 513148beb61SHenry Tieman if (!g_val) 514148beb61SHenry Tieman return -EPERM; 515148beb61SHenry Tieman 516148beb61SHenry Tieman /* FD filters from best effort pool */ 517148beb61SHenry Tieman b_val = pf->hw.func_caps.fd_fltr_best_effort; 518148beb61SHenry Tieman if (!b_val) 519148beb61SHenry Tieman return -EPERM; 520148beb61SHenry Tieman 521da62c5ffSQi Zhang if (!(vsi->type == ICE_VSI_PF || vsi->type == ICE_VSI_VF)) 522148beb61SHenry Tieman return -EPERM; 523148beb61SHenry Tieman 524148beb61SHenry Tieman if (!test_bit(ICE_FLAG_FD_ENA, pf->flags)) 525148beb61SHenry Tieman return -EPERM; 526148beb61SHenry Tieman 527148beb61SHenry Tieman vsi->num_gfltr = g_val / pf->num_alloc_vsi; 528148beb61SHenry Tieman 529148beb61SHenry Tieman /* each VSI gets same "best_effort" quota */ 530148beb61SHenry Tieman vsi->num_bfltr = b_val; 531148beb61SHenry Tieman 532da62c5ffSQi Zhang if (vsi->type == ICE_VSI_VF) { 533da62c5ffSQi Zhang vsi->num_gfltr = 0; 534da62c5ffSQi Zhang 535da62c5ffSQi Zhang /* each VSI gets same "best_effort" quota */ 536da62c5ffSQi Zhang vsi->num_bfltr = b_val; 537da62c5ffSQi Zhang } 538da62c5ffSQi Zhang 539148beb61SHenry Tieman return 0; 540148beb61SHenry Tieman } 541148beb61SHenry Tieman 542148beb61SHenry Tieman /** 543df0f8479SAnirudh Venkataramanan * ice_vsi_get_qs - Assign queues from PF to VSI 544df0f8479SAnirudh Venkataramanan * @vsi: the VSI to assign queues to 545df0f8479SAnirudh Venkataramanan * 546df0f8479SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 547df0f8479SAnirudh Venkataramanan */ 54837bb8390SAnirudh Venkataramanan static int ice_vsi_get_qs(struct ice_vsi *vsi) 549df0f8479SAnirudh Venkataramanan { 55003f7a986SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 55103f7a986SAnirudh Venkataramanan struct ice_qs_cfg tx_qs_cfg = { 55203f7a986SAnirudh Venkataramanan .qs_mutex = &pf->avail_q_mutex, 55303f7a986SAnirudh Venkataramanan .pf_map = pf->avail_txqs, 55478b5713aSAnirudh Venkataramanan .pf_map_size = pf->max_pf_txqs, 55503f7a986SAnirudh Venkataramanan .q_count = vsi->alloc_txq, 55603f7a986SAnirudh Venkataramanan .scatter_count = ICE_MAX_SCATTER_TXQS, 55703f7a986SAnirudh Venkataramanan .vsi_map = vsi->txq_map, 55803f7a986SAnirudh Venkataramanan .vsi_map_offset = 0, 55939066dc5SBrett Creeley .mapping_mode = ICE_VSI_MAP_CONTIG 56003f7a986SAnirudh Venkataramanan }; 56103f7a986SAnirudh Venkataramanan struct ice_qs_cfg rx_qs_cfg = { 56203f7a986SAnirudh Venkataramanan .qs_mutex = &pf->avail_q_mutex, 56303f7a986SAnirudh Venkataramanan .pf_map = pf->avail_rxqs, 56478b5713aSAnirudh Venkataramanan .pf_map_size = pf->max_pf_rxqs, 56503f7a986SAnirudh Venkataramanan .q_count = vsi->alloc_rxq, 56603f7a986SAnirudh Venkataramanan .scatter_count = ICE_MAX_SCATTER_RXQS, 56703f7a986SAnirudh Venkataramanan .vsi_map = vsi->rxq_map, 56803f7a986SAnirudh Venkataramanan .vsi_map_offset = 0, 56939066dc5SBrett Creeley .mapping_mode = ICE_VSI_MAP_CONTIG 57003f7a986SAnirudh Venkataramanan }; 57139066dc5SBrett Creeley int ret; 572df0f8479SAnirudh Venkataramanan 57303f7a986SAnirudh Venkataramanan ret = __ice_vsi_get_qs(&tx_qs_cfg); 57439066dc5SBrett Creeley if (ret) 575df0f8479SAnirudh Venkataramanan return ret; 57639066dc5SBrett Creeley vsi->tx_mapping_mode = tx_qs_cfg.mapping_mode; 57739066dc5SBrett Creeley 57839066dc5SBrett Creeley ret = __ice_vsi_get_qs(&rx_qs_cfg); 57939066dc5SBrett Creeley if (ret) 58039066dc5SBrett Creeley return ret; 58139066dc5SBrett Creeley vsi->rx_mapping_mode = rx_qs_cfg.mapping_mode; 58239066dc5SBrett Creeley 58339066dc5SBrett Creeley return 0; 584df0f8479SAnirudh Venkataramanan } 585df0f8479SAnirudh Venkataramanan 586df0f8479SAnirudh Venkataramanan /** 5875153a18eSAnirudh Venkataramanan * ice_vsi_put_qs - Release queues from VSI to PF 5885153a18eSAnirudh Venkataramanan * @vsi: the VSI that is going to release queues 5895153a18eSAnirudh Venkataramanan */ 590135f4b9eSJacob Keller static void ice_vsi_put_qs(struct ice_vsi *vsi) 5915153a18eSAnirudh Venkataramanan { 5925153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 5935153a18eSAnirudh Venkataramanan int i; 5945153a18eSAnirudh Venkataramanan 5955153a18eSAnirudh Venkataramanan mutex_lock(&pf->avail_q_mutex); 5965153a18eSAnirudh Venkataramanan 5975153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 5985153a18eSAnirudh Venkataramanan clear_bit(vsi->txq_map[i], pf->avail_txqs); 5995153a18eSAnirudh Venkataramanan vsi->txq_map[i] = ICE_INVAL_Q_INDEX; 6005153a18eSAnirudh Venkataramanan } 6015153a18eSAnirudh Venkataramanan 6025153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 6035153a18eSAnirudh Venkataramanan clear_bit(vsi->rxq_map[i], pf->avail_rxqs); 6045153a18eSAnirudh Venkataramanan vsi->rxq_map[i] = ICE_INVAL_Q_INDEX; 6055153a18eSAnirudh Venkataramanan } 6065153a18eSAnirudh Venkataramanan 6075153a18eSAnirudh Venkataramanan mutex_unlock(&pf->avail_q_mutex); 6085153a18eSAnirudh Venkataramanan } 6095153a18eSAnirudh Venkataramanan 6105153a18eSAnirudh Venkataramanan /** 611462acf6aSTony Nguyen * ice_is_safe_mode 612462acf6aSTony Nguyen * @pf: pointer to the PF struct 613462acf6aSTony Nguyen * 614462acf6aSTony Nguyen * returns true if driver is in safe mode, false otherwise 615462acf6aSTony Nguyen */ 616462acf6aSTony Nguyen bool ice_is_safe_mode(struct ice_pf *pf) 617462acf6aSTony Nguyen { 618462acf6aSTony Nguyen return !test_bit(ICE_FLAG_ADV_FEATURES, pf->flags); 619462acf6aSTony Nguyen } 620462acf6aSTony Nguyen 621462acf6aSTony Nguyen /** 622d25a0fc4SDave Ertman * ice_is_aux_ena 623d25a0fc4SDave Ertman * @pf: pointer to the PF struct 624d25a0fc4SDave Ertman * 625d25a0fc4SDave Ertman * returns true if AUX devices/drivers are supported, false otherwise 626d25a0fc4SDave Ertman */ 627d25a0fc4SDave Ertman bool ice_is_aux_ena(struct ice_pf *pf) 628d25a0fc4SDave Ertman { 629d25a0fc4SDave Ertman return test_bit(ICE_FLAG_AUX_ENA, pf->flags); 630d25a0fc4SDave Ertman } 631d25a0fc4SDave Ertman 632d25a0fc4SDave Ertman /** 6332c61054cSTony Nguyen * ice_vsi_clean_rss_flow_fld - Delete RSS configuration 6342c61054cSTony Nguyen * @vsi: the VSI being cleaned up 6352c61054cSTony Nguyen * 6362c61054cSTony Nguyen * This function deletes RSS input set for all flows that were configured 6372c61054cSTony Nguyen * for this VSI 6382c61054cSTony Nguyen */ 6392c61054cSTony Nguyen static void ice_vsi_clean_rss_flow_fld(struct ice_vsi *vsi) 6402c61054cSTony Nguyen { 6412c61054cSTony Nguyen struct ice_pf *pf = vsi->back; 6422c61054cSTony Nguyen enum ice_status status; 6432c61054cSTony Nguyen 6442c61054cSTony Nguyen if (ice_is_safe_mode(pf)) 6452c61054cSTony Nguyen return; 6462c61054cSTony Nguyen 6472c61054cSTony Nguyen status = ice_rem_vsi_rss_cfg(&pf->hw, vsi->idx); 6482c61054cSTony Nguyen if (status) 6490fee3577SLihong Yang dev_dbg(ice_pf_to_dev(pf), "ice_rem_vsi_rss_cfg failed for vsi = %d, error = %s\n", 6500fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 6512c61054cSTony Nguyen } 6522c61054cSTony Nguyen 6532c61054cSTony Nguyen /** 6542c61054cSTony Nguyen * ice_rss_clean - Delete RSS related VSI structures and configuration 655df0f8479SAnirudh Venkataramanan * @vsi: the VSI being removed 656df0f8479SAnirudh Venkataramanan */ 657df0f8479SAnirudh Venkataramanan static void ice_rss_clean(struct ice_vsi *vsi) 658df0f8479SAnirudh Venkataramanan { 6594015d11eSBrett Creeley struct ice_pf *pf = vsi->back; 6604015d11eSBrett Creeley struct device *dev; 661df0f8479SAnirudh Venkataramanan 6624015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 663df0f8479SAnirudh Venkataramanan 664df0f8479SAnirudh Venkataramanan if (vsi->rss_hkey_user) 6654015d11eSBrett Creeley devm_kfree(dev, vsi->rss_hkey_user); 666df0f8479SAnirudh Venkataramanan if (vsi->rss_lut_user) 6674015d11eSBrett Creeley devm_kfree(dev, vsi->rss_lut_user); 6682c61054cSTony Nguyen 6692c61054cSTony Nguyen ice_vsi_clean_rss_flow_fld(vsi); 6702c61054cSTony Nguyen /* remove RSS replay list */ 6712c61054cSTony Nguyen if (!ice_is_safe_mode(pf)) 6722c61054cSTony Nguyen ice_rem_vsi_rss_list(&pf->hw, vsi->idx); 673df0f8479SAnirudh Venkataramanan } 674df0f8479SAnirudh Venkataramanan 675df0f8479SAnirudh Venkataramanan /** 67628c2a645SAnirudh Venkataramanan * ice_vsi_set_rss_params - Setup RSS capabilities per VSI type 67728c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 67828c2a645SAnirudh Venkataramanan */ 67937bb8390SAnirudh Venkataramanan static void ice_vsi_set_rss_params(struct ice_vsi *vsi) 68028c2a645SAnirudh Venkataramanan { 68128c2a645SAnirudh Venkataramanan struct ice_hw_common_caps *cap; 68228c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 68328c2a645SAnirudh Venkataramanan 68428c2a645SAnirudh Venkataramanan if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 68528c2a645SAnirudh Venkataramanan vsi->rss_size = 1; 68628c2a645SAnirudh Venkataramanan return; 68728c2a645SAnirudh Venkataramanan } 68828c2a645SAnirudh Venkataramanan 68928c2a645SAnirudh Venkataramanan cap = &pf->hw.func_caps.common_cap; 69028c2a645SAnirudh Venkataramanan switch (vsi->type) { 69128c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 69228c2a645SAnirudh Venkataramanan /* PF VSI will inherit RSS instance of PF */ 69388865fc4SKarol Kolacinski vsi->rss_table_size = (u16)cap->rss_table_size; 69488865fc4SKarol Kolacinski vsi->rss_size = min_t(u16, num_online_cpus(), 69528c2a645SAnirudh Venkataramanan BIT(cap->rss_table_entry_width)); 69628c2a645SAnirudh Venkataramanan vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF; 69728c2a645SAnirudh Venkataramanan break; 6988ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 6990ca469fbSMitch Williams /* VF VSI will get a small RSS table. 7000ca469fbSMitch Williams * For VSI_LUT, LUT size should be set to 64 bytes. 7018ede0178SAnirudh Venkataramanan */ 7028ede0178SAnirudh Venkataramanan vsi->rss_table_size = ICE_VSIQF_HLUT_ARRAY_SIZE; 7030ca469fbSMitch Williams vsi->rss_size = ICE_MAX_RSS_QS_PER_VF; 7048ede0178SAnirudh Venkataramanan vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI; 7058ede0178SAnirudh Venkataramanan break; 7060e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 7070e674aebSAnirudh Venkataramanan break; 70828c2a645SAnirudh Venkataramanan default: 709148beb61SHenry Tieman dev_dbg(ice_pf_to_dev(pf), "Unsupported VSI type %s\n", 710148beb61SHenry Tieman ice_vsi_type_str(vsi->type)); 71128c2a645SAnirudh Venkataramanan break; 71228c2a645SAnirudh Venkataramanan } 71328c2a645SAnirudh Venkataramanan } 71428c2a645SAnirudh Venkataramanan 71528c2a645SAnirudh Venkataramanan /** 71628c2a645SAnirudh Venkataramanan * ice_set_dflt_vsi_ctx - Set default VSI context before adding a VSI 71728c2a645SAnirudh Venkataramanan * @ctxt: the VSI context being set 71828c2a645SAnirudh Venkataramanan * 71928c2a645SAnirudh Venkataramanan * This initializes a default VSI context for all sections except the Queues. 72028c2a645SAnirudh Venkataramanan */ 72128c2a645SAnirudh Venkataramanan static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt) 72228c2a645SAnirudh Venkataramanan { 72328c2a645SAnirudh Venkataramanan u32 table = 0; 72428c2a645SAnirudh Venkataramanan 72528c2a645SAnirudh Venkataramanan memset(&ctxt->info, 0, sizeof(ctxt->info)); 72628c2a645SAnirudh Venkataramanan /* VSI's should be allocated from shared pool */ 72728c2a645SAnirudh Venkataramanan ctxt->alloc_from_pool = true; 72828c2a645SAnirudh Venkataramanan /* Src pruning enabled by default */ 72928c2a645SAnirudh Venkataramanan ctxt->info.sw_flags = ICE_AQ_VSI_SW_FLAG_SRC_PRUNE; 73028c2a645SAnirudh Venkataramanan /* Traffic from VSI can be sent to LAN */ 73128c2a645SAnirudh Venkataramanan ctxt->info.sw_flags2 = ICE_AQ_VSI_SW_FLAG_LAN_ENA; 73228c2a645SAnirudh Venkataramanan /* By default bits 3 and 4 in vlan_flags are 0's which results in legacy 73328c2a645SAnirudh Venkataramanan * behavior (show VLAN, DEI, and UP) in descriptor. Also, allow all 73428c2a645SAnirudh Venkataramanan * packets untagged/tagged. 73528c2a645SAnirudh Venkataramanan */ 73628c2a645SAnirudh Venkataramanan ctxt->info.vlan_flags = ((ICE_AQ_VSI_VLAN_MODE_ALL & 73728c2a645SAnirudh Venkataramanan ICE_AQ_VSI_VLAN_MODE_M) >> 73828c2a645SAnirudh Venkataramanan ICE_AQ_VSI_VLAN_MODE_S); 73928c2a645SAnirudh Venkataramanan /* Have 1:1 UP mapping for both ingress/egress tables */ 74028c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(0, 0); 74128c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(1, 1); 74228c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(2, 2); 74328c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(3, 3); 74428c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(4, 4); 74528c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(5, 5); 74628c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(6, 6); 74728c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(7, 7); 74828c2a645SAnirudh Venkataramanan ctxt->info.ingress_table = cpu_to_le32(table); 74928c2a645SAnirudh Venkataramanan ctxt->info.egress_table = cpu_to_le32(table); 75028c2a645SAnirudh Venkataramanan /* Have 1:1 UP mapping for outer to inner UP table */ 75128c2a645SAnirudh Venkataramanan ctxt->info.outer_up_table = cpu_to_le32(table); 75228c2a645SAnirudh Venkataramanan /* No Outer tag support outer_tag_flags remains to zero */ 75328c2a645SAnirudh Venkataramanan } 75428c2a645SAnirudh Venkataramanan 75528c2a645SAnirudh Venkataramanan /** 75628c2a645SAnirudh Venkataramanan * ice_vsi_setup_q_map - Setup a VSI queue map 75728c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 75828c2a645SAnirudh Venkataramanan * @ctxt: VSI context structure 75928c2a645SAnirudh Venkataramanan */ 76028c2a645SAnirudh Venkataramanan static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) 76128c2a645SAnirudh Venkataramanan { 7628134d5ffSBrett Creeley u16 offset = 0, qmap = 0, tx_count = 0, pow = 0; 7638134d5ffSBrett Creeley u16 num_txq_per_tc, num_rxq_per_tc; 76428c2a645SAnirudh Venkataramanan u16 qcount_tx = vsi->alloc_txq; 76528c2a645SAnirudh Venkataramanan u16 qcount_rx = vsi->alloc_rxq; 76628c2a645SAnirudh Venkataramanan bool ena_tc0 = false; 767c5a2a4a3SUsha Ketineni u8 netdev_tc = 0; 76828c2a645SAnirudh Venkataramanan int i; 76928c2a645SAnirudh Venkataramanan 77028c2a645SAnirudh Venkataramanan /* at least TC0 should be enabled by default */ 77128c2a645SAnirudh Venkataramanan if (vsi->tc_cfg.numtc) { 77228c2a645SAnirudh Venkataramanan if (!(vsi->tc_cfg.ena_tc & BIT(0))) 77328c2a645SAnirudh Venkataramanan ena_tc0 = true; 77428c2a645SAnirudh Venkataramanan } else { 77528c2a645SAnirudh Venkataramanan ena_tc0 = true; 77628c2a645SAnirudh Venkataramanan } 77728c2a645SAnirudh Venkataramanan 77828c2a645SAnirudh Venkataramanan if (ena_tc0) { 77928c2a645SAnirudh Venkataramanan vsi->tc_cfg.numtc++; 78028c2a645SAnirudh Venkataramanan vsi->tc_cfg.ena_tc |= 1; 78128c2a645SAnirudh Venkataramanan } 78228c2a645SAnirudh Venkataramanan 7838134d5ffSBrett Creeley num_rxq_per_tc = min_t(u16, qcount_rx / vsi->tc_cfg.numtc, ICE_MAX_RXQS_PER_TC); 7848134d5ffSBrett Creeley if (!num_rxq_per_tc) 7858134d5ffSBrett Creeley num_rxq_per_tc = 1; 7868134d5ffSBrett Creeley num_txq_per_tc = qcount_tx / vsi->tc_cfg.numtc; 7878134d5ffSBrett Creeley if (!num_txq_per_tc) 7888134d5ffSBrett Creeley num_txq_per_tc = 1; 7898134d5ffSBrett Creeley 7908134d5ffSBrett Creeley /* find the (rounded up) power-of-2 of qcount */ 7918134d5ffSBrett Creeley pow = (u16)order_base_2(num_rxq_per_tc); 79228c2a645SAnirudh Venkataramanan 79328c2a645SAnirudh Venkataramanan /* TC mapping is a function of the number of Rx queues assigned to the 79428c2a645SAnirudh Venkataramanan * VSI for each traffic class and the offset of these queues. 79528c2a645SAnirudh Venkataramanan * The first 10 bits are for queue offset for TC0, next 4 bits for no:of 79628c2a645SAnirudh Venkataramanan * queues allocated to TC0. No:of queues is a power-of-2. 79728c2a645SAnirudh Venkataramanan * 79828c2a645SAnirudh Venkataramanan * If TC is not enabled, the queue offset is set to 0, and allocate one 79928c2a645SAnirudh Venkataramanan * queue, this way, traffic for the given TC will be sent to the default 80028c2a645SAnirudh Venkataramanan * queue. 80128c2a645SAnirudh Venkataramanan * 80228c2a645SAnirudh Venkataramanan * Setup number and offset of Rx queues for all TCs for the VSI 80328c2a645SAnirudh Venkataramanan */ 8042bdc97beSBruce Allan ice_for_each_traffic_class(i) { 80528c2a645SAnirudh Venkataramanan if (!(vsi->tc_cfg.ena_tc & BIT(i))) { 80628c2a645SAnirudh Venkataramanan /* TC is not enabled */ 80728c2a645SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qoffset = 0; 808c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_rx = 1; 809c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_tx = 1; 810c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].netdev_tc = 0; 81128c2a645SAnirudh Venkataramanan ctxt->info.tc_mapping[i] = 0; 81228c2a645SAnirudh Venkataramanan continue; 81328c2a645SAnirudh Venkataramanan } 81428c2a645SAnirudh Venkataramanan 81528c2a645SAnirudh Venkataramanan /* TC is enabled */ 81628c2a645SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qoffset = offset; 8178134d5ffSBrett Creeley vsi->tc_cfg.tc_info[i].qcount_rx = num_rxq_per_tc; 8188134d5ffSBrett Creeley vsi->tc_cfg.tc_info[i].qcount_tx = num_txq_per_tc; 819c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].netdev_tc = netdev_tc++; 82028c2a645SAnirudh Venkataramanan 82128c2a645SAnirudh Venkataramanan qmap = ((offset << ICE_AQ_VSI_TC_Q_OFFSET_S) & 82228c2a645SAnirudh Venkataramanan ICE_AQ_VSI_TC_Q_OFFSET_M) | 82328c2a645SAnirudh Venkataramanan ((pow << ICE_AQ_VSI_TC_Q_NUM_S) & 82428c2a645SAnirudh Venkataramanan ICE_AQ_VSI_TC_Q_NUM_M); 8258134d5ffSBrett Creeley offset += num_rxq_per_tc; 8268134d5ffSBrett Creeley tx_count += num_txq_per_tc; 82728c2a645SAnirudh Venkataramanan ctxt->info.tc_mapping[i] = cpu_to_le16(qmap); 82828c2a645SAnirudh Venkataramanan } 82960dcc39eSKiran Patil 83060dcc39eSKiran Patil /* if offset is non-zero, means it is calculated correctly based on 83160dcc39eSKiran Patil * enabled TCs for a given VSI otherwise qcount_rx will always 83260dcc39eSKiran Patil * be correct and non-zero because it is based off - VSI's 83360dcc39eSKiran Patil * allocated Rx queues which is at least 1 (hence qcount_tx will be 83460dcc39eSKiran Patil * at least 1) 83560dcc39eSKiran Patil */ 83660dcc39eSKiran Patil if (offset) 83728c2a645SAnirudh Venkataramanan vsi->num_rxq = offset; 83860dcc39eSKiran Patil else 8398134d5ffSBrett Creeley vsi->num_rxq = num_rxq_per_tc; 84060dcc39eSKiran Patil 841c5a2a4a3SUsha Ketineni vsi->num_txq = tx_count; 84228c2a645SAnirudh Venkataramanan 8438ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF && vsi->num_txq != vsi->num_rxq) { 8449a946843SAnirudh Venkataramanan dev_dbg(ice_pf_to_dev(vsi->back), "VF VSI should have same number of Tx and Rx queues. Hence making them equal\n"); 8458ede0178SAnirudh Venkataramanan /* since there is a chance that num_rxq could have been changed 8468ede0178SAnirudh Venkataramanan * in the above for loop, make num_txq equal to num_rxq. 8478ede0178SAnirudh Venkataramanan */ 8488ede0178SAnirudh Venkataramanan vsi->num_txq = vsi->num_rxq; 8498ede0178SAnirudh Venkataramanan } 8508ede0178SAnirudh Venkataramanan 85128c2a645SAnirudh Venkataramanan /* Rx queue mapping */ 85228c2a645SAnirudh Venkataramanan ctxt->info.mapping_flags |= cpu_to_le16(ICE_AQ_VSI_Q_MAP_CONTIG); 85328c2a645SAnirudh Venkataramanan /* q_mapping buffer holds the info for the first queue allocated for 85428c2a645SAnirudh Venkataramanan * this VSI in the PF space and also the number of queues associated 85528c2a645SAnirudh Venkataramanan * with this VSI. 85628c2a645SAnirudh Venkataramanan */ 85728c2a645SAnirudh Venkataramanan ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]); 85828c2a645SAnirudh Venkataramanan ctxt->info.q_mapping[1] = cpu_to_le16(vsi->num_rxq); 85928c2a645SAnirudh Venkataramanan } 86028c2a645SAnirudh Venkataramanan 86128c2a645SAnirudh Venkataramanan /** 862148beb61SHenry Tieman * ice_set_fd_vsi_ctx - Set FD VSI context before adding a VSI 863148beb61SHenry Tieman * @ctxt: the VSI context being set 864148beb61SHenry Tieman * @vsi: the VSI being configured 865148beb61SHenry Tieman */ 866148beb61SHenry Tieman static void ice_set_fd_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi) 867148beb61SHenry Tieman { 868148beb61SHenry Tieman u8 dflt_q_group, dflt_q_prio; 869148beb61SHenry Tieman u16 dflt_q, report_q, val; 870148beb61SHenry Tieman 871da62c5ffSQi Zhang if (vsi->type != ICE_VSI_PF && vsi->type != ICE_VSI_CTRL && 872da62c5ffSQi Zhang vsi->type != ICE_VSI_VF) 873148beb61SHenry Tieman return; 874148beb61SHenry Tieman 875148beb61SHenry Tieman val = ICE_AQ_VSI_PROP_FLOW_DIR_VALID; 876148beb61SHenry Tieman ctxt->info.valid_sections |= cpu_to_le16(val); 877148beb61SHenry Tieman dflt_q = 0; 878148beb61SHenry Tieman dflt_q_group = 0; 879148beb61SHenry Tieman report_q = 0; 880148beb61SHenry Tieman dflt_q_prio = 0; 881148beb61SHenry Tieman 882148beb61SHenry Tieman /* enable flow director filtering/programming */ 883148beb61SHenry Tieman val = ICE_AQ_VSI_FD_ENABLE | ICE_AQ_VSI_FD_PROG_ENABLE; 884148beb61SHenry Tieman ctxt->info.fd_options = cpu_to_le16(val); 885148beb61SHenry Tieman /* max of allocated flow director filters */ 886148beb61SHenry Tieman ctxt->info.max_fd_fltr_dedicated = 887148beb61SHenry Tieman cpu_to_le16(vsi->num_gfltr); 888148beb61SHenry Tieman /* max of shared flow director filters any VSI may program */ 889148beb61SHenry Tieman ctxt->info.max_fd_fltr_shared = 890148beb61SHenry Tieman cpu_to_le16(vsi->num_bfltr); 891148beb61SHenry Tieman /* default queue index within the VSI of the default FD */ 892148beb61SHenry Tieman val = ((dflt_q << ICE_AQ_VSI_FD_DEF_Q_S) & 893148beb61SHenry Tieman ICE_AQ_VSI_FD_DEF_Q_M); 894148beb61SHenry Tieman /* target queue or queue group to the FD filter */ 895148beb61SHenry Tieman val |= ((dflt_q_group << ICE_AQ_VSI_FD_DEF_GRP_S) & 896148beb61SHenry Tieman ICE_AQ_VSI_FD_DEF_GRP_M); 897148beb61SHenry Tieman ctxt->info.fd_def_q = cpu_to_le16(val); 898148beb61SHenry Tieman /* queue index on which FD filter completion is reported */ 899148beb61SHenry Tieman val = ((report_q << ICE_AQ_VSI_FD_REPORT_Q_S) & 900148beb61SHenry Tieman ICE_AQ_VSI_FD_REPORT_Q_M); 901148beb61SHenry Tieman /* priority of the default qindex action */ 902148beb61SHenry Tieman val |= ((dflt_q_prio << ICE_AQ_VSI_FD_DEF_PRIORITY_S) & 903148beb61SHenry Tieman ICE_AQ_VSI_FD_DEF_PRIORITY_M); 904148beb61SHenry Tieman ctxt->info.fd_report_opt = cpu_to_le16(val); 905148beb61SHenry Tieman } 906148beb61SHenry Tieman 907148beb61SHenry Tieman /** 90828c2a645SAnirudh Venkataramanan * ice_set_rss_vsi_ctx - Set RSS VSI context before adding a VSI 90928c2a645SAnirudh Venkataramanan * @ctxt: the VSI context being set 91028c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 91128c2a645SAnirudh Venkataramanan */ 91228c2a645SAnirudh Venkataramanan static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi) 91328c2a645SAnirudh Venkataramanan { 91428c2a645SAnirudh Venkataramanan u8 lut_type, hash_type; 9154015d11eSBrett Creeley struct device *dev; 916819d8998SJesse Brandeburg struct ice_pf *pf; 917819d8998SJesse Brandeburg 918819d8998SJesse Brandeburg pf = vsi->back; 9194015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 92028c2a645SAnirudh Venkataramanan 92128c2a645SAnirudh Venkataramanan switch (vsi->type) { 92228c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 92328c2a645SAnirudh Venkataramanan /* PF VSI will inherit RSS instance of PF */ 92428c2a645SAnirudh Venkataramanan lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_PF; 92528c2a645SAnirudh Venkataramanan hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ; 92628c2a645SAnirudh Venkataramanan break; 9278ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 9288ede0178SAnirudh Venkataramanan /* VF VSI will gets a small RSS table which is a VSI LUT type */ 9298ede0178SAnirudh Venkataramanan lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI; 9308ede0178SAnirudh Venkataramanan hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ; 9318ede0178SAnirudh Venkataramanan break; 932148beb61SHenry Tieman default: 9334015d11eSBrett Creeley dev_dbg(dev, "Unsupported VSI type %s\n", 934964674f1SAnirudh Venkataramanan ice_vsi_type_str(vsi->type)); 9350e674aebSAnirudh Venkataramanan return; 93628c2a645SAnirudh Venkataramanan } 93728c2a645SAnirudh Venkataramanan 93828c2a645SAnirudh Venkataramanan ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) & 93928c2a645SAnirudh Venkataramanan ICE_AQ_VSI_Q_OPT_RSS_LUT_M) | 94028c2a645SAnirudh Venkataramanan ((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) & 94128c2a645SAnirudh Venkataramanan ICE_AQ_VSI_Q_OPT_RSS_HASH_M); 94228c2a645SAnirudh Venkataramanan } 94328c2a645SAnirudh Venkataramanan 94428c2a645SAnirudh Venkataramanan /** 94528c2a645SAnirudh Venkataramanan * ice_vsi_init - Create and initialize a VSI 94628c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 94787324e74SHenry Tieman * @init_vsi: is this call creating a VSI 94828c2a645SAnirudh Venkataramanan * 94928c2a645SAnirudh Venkataramanan * This initializes a VSI context depending on the VSI type to be added and 95028c2a645SAnirudh Venkataramanan * passes it down to the add_vsi aq command to create a new VSI. 95128c2a645SAnirudh Venkataramanan */ 95287324e74SHenry Tieman static int ice_vsi_init(struct ice_vsi *vsi, bool init_vsi) 95328c2a645SAnirudh Venkataramanan { 95428c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 95528c2a645SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 956198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 95787324e74SHenry Tieman struct device *dev; 95828c2a645SAnirudh Venkataramanan int ret = 0; 95928c2a645SAnirudh Venkataramanan 96087324e74SHenry Tieman dev = ice_pf_to_dev(pf); 9619efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 962198a666aSBruce Allan if (!ctxt) 963198a666aSBruce Allan return -ENOMEM; 964198a666aSBruce Allan 96528c2a645SAnirudh Venkataramanan switch (vsi->type) { 966148beb61SHenry Tieman case ICE_VSI_CTRL: 9670e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 96828c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 969198a666aSBruce Allan ctxt->flags = ICE_AQ_VSI_TYPE_PF; 97028c2a645SAnirudh Venkataramanan break; 9718ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 972198a666aSBruce Allan ctxt->flags = ICE_AQ_VSI_TYPE_VF; 9738ede0178SAnirudh Venkataramanan /* VF number here is the absolute VF number (0-255) */ 974198a666aSBruce Allan ctxt->vf_num = vsi->vf_id + hw->func_caps.vf_base_id; 9758ede0178SAnirudh Venkataramanan break; 97628c2a645SAnirudh Venkataramanan default: 9779efe35d0STony Nguyen ret = -ENODEV; 9789efe35d0STony Nguyen goto out; 97928c2a645SAnirudh Venkataramanan } 98028c2a645SAnirudh Venkataramanan 981198a666aSBruce Allan ice_set_dflt_vsi_ctx(ctxt); 982148beb61SHenry Tieman if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) 983148beb61SHenry Tieman ice_set_fd_vsi_ctx(ctxt, vsi); 98428c2a645SAnirudh Venkataramanan /* if the switch is in VEB mode, allow VSI loopback */ 98528c2a645SAnirudh Venkataramanan if (vsi->vsw->bridge_mode == BRIDGE_MODE_VEB) 986198a666aSBruce Allan ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB; 98728c2a645SAnirudh Venkataramanan 98828c2a645SAnirudh Venkataramanan /* Set LUT type and HASH type if RSS is enabled */ 989148beb61SHenry Tieman if (test_bit(ICE_FLAG_RSS_ENA, pf->flags) && 990148beb61SHenry Tieman vsi->type != ICE_VSI_CTRL) { 991198a666aSBruce Allan ice_set_rss_vsi_ctx(ctxt, vsi); 99287324e74SHenry Tieman /* if updating VSI context, make sure to set valid_section: 99387324e74SHenry Tieman * to indicate which section of VSI context being updated 99487324e74SHenry Tieman */ 99587324e74SHenry Tieman if (!init_vsi) 99687324e74SHenry Tieman ctxt->info.valid_sections |= 99787324e74SHenry Tieman cpu_to_le16(ICE_AQ_VSI_PROP_Q_OPT_VALID); 99887324e74SHenry Tieman } 99928c2a645SAnirudh Venkataramanan 1000198a666aSBruce Allan ctxt->info.sw_id = vsi->port_info->sw_id; 1001198a666aSBruce Allan ice_vsi_setup_q_map(vsi, ctxt); 100287324e74SHenry Tieman if (!init_vsi) /* means VSI being updated */ 100387324e74SHenry Tieman /* must to indicate which section of VSI context are 100487324e74SHenry Tieman * being modified 100587324e74SHenry Tieman */ 100687324e74SHenry Tieman ctxt->info.valid_sections |= 100787324e74SHenry Tieman cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID); 100828c2a645SAnirudh Venkataramanan 1009cd6d6b83SBrett Creeley /* enable/disable MAC and VLAN anti-spoof when spoofchk is on/off 1010cd6d6b83SBrett Creeley * respectively 1011cd6d6b83SBrett Creeley */ 1012cd6d6b83SBrett Creeley if (vsi->type == ICE_VSI_VF) { 1013cb93a952SAkeem G Abodunrin ctxt->info.valid_sections |= 1014cb93a952SAkeem G Abodunrin cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); 1015cd6d6b83SBrett Creeley if (pf->vf[vsi->vf_id].spoofchk) { 1016cb93a952SAkeem G Abodunrin ctxt->info.sec_flags |= 1017cd6d6b83SBrett Creeley ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF | 1018cd6d6b83SBrett Creeley (ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 1019cd6d6b83SBrett Creeley ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S); 1020cd6d6b83SBrett Creeley } else { 1021cd6d6b83SBrett Creeley ctxt->info.sec_flags &= 1022cd6d6b83SBrett Creeley ~(ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF | 1023cd6d6b83SBrett Creeley (ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 1024cd6d6b83SBrett Creeley ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S)); 1025cd6d6b83SBrett Creeley } 1026cb93a952SAkeem G Abodunrin } 1027cb93a952SAkeem G Abodunrin 10280c3a6101SDave Ertman /* Allow control frames out of main VSI */ 10290c3a6101SDave Ertman if (vsi->type == ICE_VSI_PF) { 10300c3a6101SDave Ertman ctxt->info.sec_flags |= ICE_AQ_VSI_SEC_FLAG_ALLOW_DEST_OVRD; 10310c3a6101SDave Ertman ctxt->info.valid_sections |= 10320c3a6101SDave Ertman cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); 10330c3a6101SDave Ertman } 10340c3a6101SDave Ertman 103587324e74SHenry Tieman if (init_vsi) { 1036198a666aSBruce Allan ret = ice_add_vsi(hw, vsi->idx, ctxt, NULL); 103728c2a645SAnirudh Venkataramanan if (ret) { 103887324e74SHenry Tieman dev_err(dev, "Add VSI failed, err %d\n", ret); 10399efe35d0STony Nguyen ret = -EIO; 10409efe35d0STony Nguyen goto out; 104128c2a645SAnirudh Venkataramanan } 104287324e74SHenry Tieman } else { 104387324e74SHenry Tieman ret = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 104487324e74SHenry Tieman if (ret) { 104587324e74SHenry Tieman dev_err(dev, "Update VSI failed, err %d\n", ret); 104687324e74SHenry Tieman ret = -EIO; 104787324e74SHenry Tieman goto out; 104887324e74SHenry Tieman } 104987324e74SHenry Tieman } 105028c2a645SAnirudh Venkataramanan 105128c2a645SAnirudh Venkataramanan /* keep context for update VSI operations */ 1052198a666aSBruce Allan vsi->info = ctxt->info; 105328c2a645SAnirudh Venkataramanan 105428c2a645SAnirudh Venkataramanan /* record VSI number returned */ 1055198a666aSBruce Allan vsi->vsi_num = ctxt->vsi_num; 105628c2a645SAnirudh Venkataramanan 10579efe35d0STony Nguyen out: 10589efe35d0STony Nguyen kfree(ctxt); 105928c2a645SAnirudh Venkataramanan return ret; 106028c2a645SAnirudh Venkataramanan } 106128c2a645SAnirudh Venkataramanan 106228c2a645SAnirudh Venkataramanan /** 106346c276ceSBrett Creeley * ice_free_res - free a block of resources 106446c276ceSBrett Creeley * @res: pointer to the resource 106546c276ceSBrett Creeley * @index: starting index previously returned by ice_get_res 106646c276ceSBrett Creeley * @id: identifier to track owner 106746c276ceSBrett Creeley * 106846c276ceSBrett Creeley * Returns number of resources freed 106946c276ceSBrett Creeley */ 107046c276ceSBrett Creeley int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id) 107146c276ceSBrett Creeley { 107246c276ceSBrett Creeley int count = 0; 107346c276ceSBrett Creeley int i; 107446c276ceSBrett Creeley 107546c276ceSBrett Creeley if (!res || index >= res->end) 107646c276ceSBrett Creeley return -EINVAL; 107746c276ceSBrett Creeley 107846c276ceSBrett Creeley id |= ICE_RES_VALID_BIT; 107946c276ceSBrett Creeley for (i = index; i < res->end && res->list[i] == id; i++) { 108046c276ceSBrett Creeley res->list[i] = 0; 108146c276ceSBrett Creeley count++; 108246c276ceSBrett Creeley } 108346c276ceSBrett Creeley 108446c276ceSBrett Creeley return count; 108546c276ceSBrett Creeley } 108646c276ceSBrett Creeley 108746c276ceSBrett Creeley /** 108846c276ceSBrett Creeley * ice_search_res - Search the tracker for a block of resources 108946c276ceSBrett Creeley * @res: pointer to the resource 109046c276ceSBrett Creeley * @needed: size of the block needed 109146c276ceSBrett Creeley * @id: identifier to track owner 109246c276ceSBrett Creeley * 109346c276ceSBrett Creeley * Returns the base item index of the block, or -ENOMEM for error 109446c276ceSBrett Creeley */ 109546c276ceSBrett Creeley static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id) 109646c276ceSBrett Creeley { 109788865fc4SKarol Kolacinski u16 start = 0, end = 0; 109846c276ceSBrett Creeley 109946c276ceSBrett Creeley if (needed > res->end) 110046c276ceSBrett Creeley return -ENOMEM; 110146c276ceSBrett Creeley 110246c276ceSBrett Creeley id |= ICE_RES_VALID_BIT; 110346c276ceSBrett Creeley 110446c276ceSBrett Creeley do { 110546c276ceSBrett Creeley /* skip already allocated entries */ 110646c276ceSBrett Creeley if (res->list[end++] & ICE_RES_VALID_BIT) { 110746c276ceSBrett Creeley start = end; 110846c276ceSBrett Creeley if ((start + needed) > res->end) 110946c276ceSBrett Creeley break; 111046c276ceSBrett Creeley } 111146c276ceSBrett Creeley 111246c276ceSBrett Creeley if (end == (start + needed)) { 111346c276ceSBrett Creeley int i = start; 111446c276ceSBrett Creeley 111546c276ceSBrett Creeley /* there was enough, so assign it to the requestor */ 111646c276ceSBrett Creeley while (i != end) 111746c276ceSBrett Creeley res->list[i++] = id; 111846c276ceSBrett Creeley 111946c276ceSBrett Creeley return start; 112046c276ceSBrett Creeley } 112146c276ceSBrett Creeley } while (end < res->end); 112246c276ceSBrett Creeley 112346c276ceSBrett Creeley return -ENOMEM; 112446c276ceSBrett Creeley } 112546c276ceSBrett Creeley 112646c276ceSBrett Creeley /** 112746c276ceSBrett Creeley * ice_get_free_res_count - Get free count from a resource tracker 112846c276ceSBrett Creeley * @res: Resource tracker instance 112946c276ceSBrett Creeley */ 113046c276ceSBrett Creeley static u16 ice_get_free_res_count(struct ice_res_tracker *res) 113146c276ceSBrett Creeley { 113246c276ceSBrett Creeley u16 i, count = 0; 113346c276ceSBrett Creeley 113446c276ceSBrett Creeley for (i = 0; i < res->end; i++) 113546c276ceSBrett Creeley if (!(res->list[i] & ICE_RES_VALID_BIT)) 113646c276ceSBrett Creeley count++; 113746c276ceSBrett Creeley 113846c276ceSBrett Creeley return count; 113946c276ceSBrett Creeley } 114046c276ceSBrett Creeley 114146c276ceSBrett Creeley /** 114246c276ceSBrett Creeley * ice_get_res - get a block of resources 114346c276ceSBrett Creeley * @pf: board private structure 114446c276ceSBrett Creeley * @res: pointer to the resource 114546c276ceSBrett Creeley * @needed: size of the block needed 114646c276ceSBrett Creeley * @id: identifier to track owner 114746c276ceSBrett Creeley * 114846c276ceSBrett Creeley * Returns the base item index of the block, or negative for error 114946c276ceSBrett Creeley */ 115046c276ceSBrett Creeley int 115146c276ceSBrett Creeley ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id) 115246c276ceSBrett Creeley { 115346c276ceSBrett Creeley if (!res || !pf) 115446c276ceSBrett Creeley return -EINVAL; 115546c276ceSBrett Creeley 115646c276ceSBrett Creeley if (!needed || needed > res->num_entries || id >= ICE_RES_VALID_BIT) { 115746c276ceSBrett Creeley dev_err(ice_pf_to_dev(pf), "param err: needed=%d, num_entries = %d id=0x%04x\n", 115846c276ceSBrett Creeley needed, res->num_entries, id); 115946c276ceSBrett Creeley return -EINVAL; 116046c276ceSBrett Creeley } 116146c276ceSBrett Creeley 116246c276ceSBrett Creeley return ice_search_res(res, needed, id); 116346c276ceSBrett Creeley } 116446c276ceSBrett Creeley 116546c276ceSBrett Creeley /** 1166df0f8479SAnirudh Venkataramanan * ice_vsi_setup_vector_base - Set up the base vector for the given VSI 1167df0f8479SAnirudh Venkataramanan * @vsi: ptr to the VSI 1168df0f8479SAnirudh Venkataramanan * 1169df0f8479SAnirudh Venkataramanan * This should only be called after ice_vsi_alloc() which allocates the 1170df0f8479SAnirudh Venkataramanan * corresponding SW VSI structure and initializes num_queue_pairs for the 1171df0f8479SAnirudh Venkataramanan * newly allocated VSI. 1172df0f8479SAnirudh Venkataramanan * 1173df0f8479SAnirudh Venkataramanan * Returns 0 on success or negative on failure 1174df0f8479SAnirudh Venkataramanan */ 117537bb8390SAnirudh Venkataramanan static int ice_vsi_setup_vector_base(struct ice_vsi *vsi) 1176df0f8479SAnirudh Venkataramanan { 1177df0f8479SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 11784015d11eSBrett Creeley struct device *dev; 1179cbe66bfeSBrett Creeley u16 num_q_vectors; 118088865fc4SKarol Kolacinski int base; 1181df0f8479SAnirudh Venkataramanan 11824015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 1183cbe66bfeSBrett Creeley /* SRIOV doesn't grab irq_tracker entries for each VSI */ 1184cbe66bfeSBrett Creeley if (vsi->type == ICE_VSI_VF) 1185cbe66bfeSBrett Creeley return 0; 1186cbe66bfeSBrett Creeley 1187cbe66bfeSBrett Creeley if (vsi->base_vector) { 11884015d11eSBrett Creeley dev_dbg(dev, "VSI %d has non-zero base vector %d\n", 1189cbe66bfeSBrett Creeley vsi->vsi_num, vsi->base_vector); 1190df0f8479SAnirudh Venkataramanan return -EEXIST; 1191df0f8479SAnirudh Venkataramanan } 1192df0f8479SAnirudh Venkataramanan 1193df0f8479SAnirudh Venkataramanan num_q_vectors = vsi->num_q_vectors; 1194eb0208ecSPreethi Banala /* reserve slots from OS requested IRQs */ 1195da62c5ffSQi Zhang if (vsi->type == ICE_VSI_CTRL && vsi->vf_id != ICE_INVAL_VFID) { 1196da62c5ffSQi Zhang struct ice_vf *vf; 1197da62c5ffSQi Zhang int i; 1198da62c5ffSQi Zhang 1199da62c5ffSQi Zhang ice_for_each_vf(pf, i) { 1200da62c5ffSQi Zhang vf = &pf->vf[i]; 1201da62c5ffSQi Zhang if (i != vsi->vf_id && vf->ctrl_vsi_idx != ICE_NO_VSI) { 1202da62c5ffSQi Zhang base = pf->vsi[vf->ctrl_vsi_idx]->base_vector; 1203da62c5ffSQi Zhang break; 1204da62c5ffSQi Zhang } 1205da62c5ffSQi Zhang } 1206da62c5ffSQi Zhang if (i == pf->num_alloc_vfs) 1207da62c5ffSQi Zhang base = ice_get_res(pf, pf->irq_tracker, num_q_vectors, 1208da62c5ffSQi Zhang ICE_RES_VF_CTRL_VEC_ID); 1209da62c5ffSQi Zhang } else { 1210da62c5ffSQi Zhang base = ice_get_res(pf, pf->irq_tracker, num_q_vectors, 1211da62c5ffSQi Zhang vsi->idx); 1212da62c5ffSQi Zhang } 121388865fc4SKarol Kolacinski 121488865fc4SKarol Kolacinski if (base < 0) { 121546c276ceSBrett Creeley dev_err(dev, "%d MSI-X interrupts available. %s %d failed to get %d MSI-X vectors\n", 121646c276ceSBrett Creeley ice_get_free_res_count(pf->irq_tracker), 121746c276ceSBrett Creeley ice_vsi_type_str(vsi->type), vsi->idx, num_q_vectors); 1218eb0208ecSPreethi Banala return -ENOENT; 1219eb0208ecSPreethi Banala } 122088865fc4SKarol Kolacinski vsi->base_vector = (u16)base; 1221eb0208ecSPreethi Banala pf->num_avail_sw_msix -= num_q_vectors; 1222eb0208ecSPreethi Banala 1223df0f8479SAnirudh Venkataramanan return 0; 1224df0f8479SAnirudh Venkataramanan } 1225df0f8479SAnirudh Venkataramanan 1226df0f8479SAnirudh Venkataramanan /** 122728c2a645SAnirudh Venkataramanan * ice_vsi_clear_rings - Deallocates the Tx and Rx rings for VSI 122828c2a645SAnirudh Venkataramanan * @vsi: the VSI having rings deallocated 122928c2a645SAnirudh Venkataramanan */ 1230df0f8479SAnirudh Venkataramanan static void ice_vsi_clear_rings(struct ice_vsi *vsi) 123128c2a645SAnirudh Venkataramanan { 123228c2a645SAnirudh Venkataramanan int i; 123328c2a645SAnirudh Venkataramanan 1234f6a07271SJacob Keller /* Avoid stale references by clearing map from vector to ring */ 1235f6a07271SJacob Keller if (vsi->q_vectors) { 1236f6a07271SJacob Keller ice_for_each_q_vector(vsi, i) { 1237f6a07271SJacob Keller struct ice_q_vector *q_vector = vsi->q_vectors[i]; 1238f6a07271SJacob Keller 1239f6a07271SJacob Keller if (q_vector) { 1240f6a07271SJacob Keller q_vector->tx.ring = NULL; 1241f6a07271SJacob Keller q_vector->rx.ring = NULL; 1242f6a07271SJacob Keller } 1243f6a07271SJacob Keller } 1244f6a07271SJacob Keller } 1245f6a07271SJacob Keller 124628c2a645SAnirudh Venkataramanan if (vsi->tx_rings) { 124728c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 124828c2a645SAnirudh Venkataramanan if (vsi->tx_rings[i]) { 124928c2a645SAnirudh Venkataramanan kfree_rcu(vsi->tx_rings[i], rcu); 1250b1d95cc2SCiara Loftus WRITE_ONCE(vsi->tx_rings[i], NULL); 125128c2a645SAnirudh Venkataramanan } 125228c2a645SAnirudh Venkataramanan } 125328c2a645SAnirudh Venkataramanan } 125428c2a645SAnirudh Venkataramanan if (vsi->rx_rings) { 125528c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 125628c2a645SAnirudh Venkataramanan if (vsi->rx_rings[i]) { 125728c2a645SAnirudh Venkataramanan kfree_rcu(vsi->rx_rings[i], rcu); 1258b1d95cc2SCiara Loftus WRITE_ONCE(vsi->rx_rings[i], NULL); 125928c2a645SAnirudh Venkataramanan } 126028c2a645SAnirudh Venkataramanan } 126128c2a645SAnirudh Venkataramanan } 126228c2a645SAnirudh Venkataramanan } 126328c2a645SAnirudh Venkataramanan 126428c2a645SAnirudh Venkataramanan /** 126528c2a645SAnirudh Venkataramanan * ice_vsi_alloc_rings - Allocates Tx and Rx rings for the VSI 126628c2a645SAnirudh Venkataramanan * @vsi: VSI which is having rings allocated 126728c2a645SAnirudh Venkataramanan */ 126837bb8390SAnirudh Venkataramanan static int ice_vsi_alloc_rings(struct ice_vsi *vsi) 126928c2a645SAnirudh Venkataramanan { 127028c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 12714015d11eSBrett Creeley struct device *dev; 127288865fc4SKarol Kolacinski u16 i; 127328c2a645SAnirudh Venkataramanan 12744015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 1275d337f2afSAnirudh Venkataramanan /* Allocate Tx rings */ 127628c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 127728c2a645SAnirudh Venkataramanan struct ice_ring *ring; 127828c2a645SAnirudh Venkataramanan 127928c2a645SAnirudh Venkataramanan /* allocate with kzalloc(), free with kfree_rcu() */ 128028c2a645SAnirudh Venkataramanan ring = kzalloc(sizeof(*ring), GFP_KERNEL); 128128c2a645SAnirudh Venkataramanan 128228c2a645SAnirudh Venkataramanan if (!ring) 128328c2a645SAnirudh Venkataramanan goto err_out; 128428c2a645SAnirudh Venkataramanan 128528c2a645SAnirudh Venkataramanan ring->q_index = i; 128628c2a645SAnirudh Venkataramanan ring->reg_idx = vsi->txq_map[i]; 128728c2a645SAnirudh Venkataramanan ring->ring_active = false; 128828c2a645SAnirudh Venkataramanan ring->vsi = vsi; 12894015d11eSBrett Creeley ring->dev = dev; 1290ad71b256SBrett Creeley ring->count = vsi->num_tx_desc; 1291b1d95cc2SCiara Loftus WRITE_ONCE(vsi->tx_rings[i], ring); 129228c2a645SAnirudh Venkataramanan } 129328c2a645SAnirudh Venkataramanan 1294d337f2afSAnirudh Venkataramanan /* Allocate Rx rings */ 129528c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 129628c2a645SAnirudh Venkataramanan struct ice_ring *ring; 129728c2a645SAnirudh Venkataramanan 129828c2a645SAnirudh Venkataramanan /* allocate with kzalloc(), free with kfree_rcu() */ 129928c2a645SAnirudh Venkataramanan ring = kzalloc(sizeof(*ring), GFP_KERNEL); 130028c2a645SAnirudh Venkataramanan if (!ring) 130128c2a645SAnirudh Venkataramanan goto err_out; 130228c2a645SAnirudh Venkataramanan 130328c2a645SAnirudh Venkataramanan ring->q_index = i; 130428c2a645SAnirudh Venkataramanan ring->reg_idx = vsi->rxq_map[i]; 130528c2a645SAnirudh Venkataramanan ring->ring_active = false; 130628c2a645SAnirudh Venkataramanan ring->vsi = vsi; 130728c2a645SAnirudh Venkataramanan ring->netdev = vsi->netdev; 13084015d11eSBrett Creeley ring->dev = dev; 1309ad71b256SBrett Creeley ring->count = vsi->num_rx_desc; 1310b1d95cc2SCiara Loftus WRITE_ONCE(vsi->rx_rings[i], ring); 131128c2a645SAnirudh Venkataramanan } 131228c2a645SAnirudh Venkataramanan 131328c2a645SAnirudh Venkataramanan return 0; 131428c2a645SAnirudh Venkataramanan 131528c2a645SAnirudh Venkataramanan err_out: 131628c2a645SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 131728c2a645SAnirudh Venkataramanan return -ENOMEM; 131828c2a645SAnirudh Venkataramanan } 131928c2a645SAnirudh Venkataramanan 132028c2a645SAnirudh Venkataramanan /** 1321492af0abSMd Fahad Iqbal Polash * ice_vsi_manage_rss_lut - disable/enable RSS 1322492af0abSMd Fahad Iqbal Polash * @vsi: the VSI being changed 1323492af0abSMd Fahad Iqbal Polash * @ena: boolean value indicating if this is an enable or disable request 1324492af0abSMd Fahad Iqbal Polash * 1325492af0abSMd Fahad Iqbal Polash * In the event of disable request for RSS, this function will zero out RSS 1326492af0abSMd Fahad Iqbal Polash * LUT, while in the event of enable request for RSS, it will reconfigure RSS 1327492af0abSMd Fahad Iqbal Polash * LUT. 1328492af0abSMd Fahad Iqbal Polash */ 13294fe36226SPaul M Stillwell Jr void ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena) 1330492af0abSMd Fahad Iqbal Polash { 1331492af0abSMd Fahad Iqbal Polash u8 *lut; 1332492af0abSMd Fahad Iqbal Polash 13339efe35d0STony Nguyen lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 1334492af0abSMd Fahad Iqbal Polash if (!lut) 13354fe36226SPaul M Stillwell Jr return; 1336492af0abSMd Fahad Iqbal Polash 1337492af0abSMd Fahad Iqbal Polash if (ena) { 1338492af0abSMd Fahad Iqbal Polash if (vsi->rss_lut_user) 1339492af0abSMd Fahad Iqbal Polash memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size); 1340492af0abSMd Fahad Iqbal Polash else 1341492af0abSMd Fahad Iqbal Polash ice_fill_rss_lut(lut, vsi->rss_table_size, 1342492af0abSMd Fahad Iqbal Polash vsi->rss_size); 1343492af0abSMd Fahad Iqbal Polash } 1344492af0abSMd Fahad Iqbal Polash 13454fe36226SPaul M Stillwell Jr ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 13469efe35d0STony Nguyen kfree(lut); 1347492af0abSMd Fahad Iqbal Polash } 1348492af0abSMd Fahad Iqbal Polash 1349492af0abSMd Fahad Iqbal Polash /** 135037bb8390SAnirudh Venkataramanan * ice_vsi_cfg_rss_lut_key - Configure RSS params for a VSI 135137bb8390SAnirudh Venkataramanan * @vsi: VSI to be configured 135237bb8390SAnirudh Venkataramanan */ 135337bb8390SAnirudh Venkataramanan static int ice_vsi_cfg_rss_lut_key(struct ice_vsi *vsi) 135437bb8390SAnirudh Venkataramanan { 135537bb8390SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 13564015d11eSBrett Creeley struct device *dev; 1357b66a972aSBrett Creeley u8 *lut, *key; 1358b66a972aSBrett Creeley int err; 135937bb8390SAnirudh Venkataramanan 13604015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 136188865fc4SKarol Kolacinski vsi->rss_size = min_t(u16, vsi->rss_size, vsi->num_rxq); 136237bb8390SAnirudh Venkataramanan 13639efe35d0STony Nguyen lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 136437bb8390SAnirudh Venkataramanan if (!lut) 136537bb8390SAnirudh Venkataramanan return -ENOMEM; 136637bb8390SAnirudh Venkataramanan 136737bb8390SAnirudh Venkataramanan if (vsi->rss_lut_user) 136837bb8390SAnirudh Venkataramanan memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size); 136937bb8390SAnirudh Venkataramanan else 137037bb8390SAnirudh Venkataramanan ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 137137bb8390SAnirudh Venkataramanan 1372b66a972aSBrett Creeley err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 1373b66a972aSBrett Creeley if (err) { 1374b66a972aSBrett Creeley dev_err(dev, "set_rss_lut failed, error %d\n", err); 137537bb8390SAnirudh Venkataramanan goto ice_vsi_cfg_rss_exit; 137637bb8390SAnirudh Venkataramanan } 137737bb8390SAnirudh Venkataramanan 1378b66a972aSBrett Creeley key = kzalloc(ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE, GFP_KERNEL); 137937bb8390SAnirudh Venkataramanan if (!key) { 138037bb8390SAnirudh Venkataramanan err = -ENOMEM; 138137bb8390SAnirudh Venkataramanan goto ice_vsi_cfg_rss_exit; 138237bb8390SAnirudh Venkataramanan } 138337bb8390SAnirudh Venkataramanan 138437bb8390SAnirudh Venkataramanan if (vsi->rss_hkey_user) 1385b66a972aSBrett Creeley memcpy(key, vsi->rss_hkey_user, ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE); 138637bb8390SAnirudh Venkataramanan else 1387b66a972aSBrett Creeley netdev_rss_key_fill((void *)key, ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE); 138837bb8390SAnirudh Venkataramanan 1389b66a972aSBrett Creeley err = ice_set_rss_key(vsi, key); 1390b66a972aSBrett Creeley if (err) 1391b66a972aSBrett Creeley dev_err(dev, "set_rss_key failed, error %d\n", err); 139237bb8390SAnirudh Venkataramanan 13939efe35d0STony Nguyen kfree(key); 139437bb8390SAnirudh Venkataramanan ice_vsi_cfg_rss_exit: 13959efe35d0STony Nguyen kfree(lut); 139637bb8390SAnirudh Venkataramanan return err; 139737bb8390SAnirudh Venkataramanan } 139837bb8390SAnirudh Venkataramanan 139937bb8390SAnirudh Venkataramanan /** 14001c01c8c6SMd Fahad Iqbal Polash * ice_vsi_set_vf_rss_flow_fld - Sets VF VSI RSS input set for different flows 14011c01c8c6SMd Fahad Iqbal Polash * @vsi: VSI to be configured 14021c01c8c6SMd Fahad Iqbal Polash * 14031c01c8c6SMd Fahad Iqbal Polash * This function will only be called during the VF VSI setup. Upon successful 14041c01c8c6SMd Fahad Iqbal Polash * completion of package download, this function will configure default RSS 14051c01c8c6SMd Fahad Iqbal Polash * input sets for VF VSI. 14061c01c8c6SMd Fahad Iqbal Polash */ 14071c01c8c6SMd Fahad Iqbal Polash static void ice_vsi_set_vf_rss_flow_fld(struct ice_vsi *vsi) 14081c01c8c6SMd Fahad Iqbal Polash { 14091c01c8c6SMd Fahad Iqbal Polash struct ice_pf *pf = vsi->back; 14101c01c8c6SMd Fahad Iqbal Polash enum ice_status status; 14111c01c8c6SMd Fahad Iqbal Polash struct device *dev; 14121c01c8c6SMd Fahad Iqbal Polash 14131c01c8c6SMd Fahad Iqbal Polash dev = ice_pf_to_dev(pf); 14141c01c8c6SMd Fahad Iqbal Polash if (ice_is_safe_mode(pf)) { 14151c01c8c6SMd Fahad Iqbal Polash dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 14161c01c8c6SMd Fahad Iqbal Polash vsi->vsi_num); 14171c01c8c6SMd Fahad Iqbal Polash return; 14181c01c8c6SMd Fahad Iqbal Polash } 14191c01c8c6SMd Fahad Iqbal Polash 14201c01c8c6SMd Fahad Iqbal Polash status = ice_add_avf_rss_cfg(&pf->hw, vsi->idx, ICE_DEFAULT_RSS_HENA); 14211c01c8c6SMd Fahad Iqbal Polash if (status) 14220fee3577SLihong Yang dev_dbg(dev, "ice_add_avf_rss_cfg failed for vsi = %d, error = %s\n", 14230fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 14241c01c8c6SMd Fahad Iqbal Polash } 14251c01c8c6SMd Fahad Iqbal Polash 14261c01c8c6SMd Fahad Iqbal Polash /** 1427c90ed40cSTony Nguyen * ice_vsi_set_rss_flow_fld - Sets RSS input set for different flows 1428c90ed40cSTony Nguyen * @vsi: VSI to be configured 1429c90ed40cSTony Nguyen * 1430c90ed40cSTony Nguyen * This function will only be called after successful download package call 1431c90ed40cSTony Nguyen * during initialization of PF. Since the downloaded package will erase the 1432c90ed40cSTony Nguyen * RSS section, this function will configure RSS input sets for different 1433c90ed40cSTony Nguyen * flow types. The last profile added has the highest priority, therefore 2 1434c90ed40cSTony Nguyen * tuple profiles (i.e. IPv4 src/dst) are added before 4 tuple profiles 1435c90ed40cSTony Nguyen * (i.e. IPv4 src/dst TCP src/dst port). 1436c90ed40cSTony Nguyen */ 1437c90ed40cSTony Nguyen static void ice_vsi_set_rss_flow_fld(struct ice_vsi *vsi) 1438c90ed40cSTony Nguyen { 1439c90ed40cSTony Nguyen u16 vsi_handle = vsi->idx, vsi_num = vsi->vsi_num; 1440c90ed40cSTony Nguyen struct ice_pf *pf = vsi->back; 1441c90ed40cSTony Nguyen struct ice_hw *hw = &pf->hw; 1442c90ed40cSTony Nguyen enum ice_status status; 1443c90ed40cSTony Nguyen struct device *dev; 1444c90ed40cSTony Nguyen 1445c90ed40cSTony Nguyen dev = ice_pf_to_dev(pf); 1446c90ed40cSTony Nguyen if (ice_is_safe_mode(pf)) { 1447c90ed40cSTony Nguyen dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 1448c90ed40cSTony Nguyen vsi_num); 1449c90ed40cSTony Nguyen return; 1450c90ed40cSTony Nguyen } 1451c90ed40cSTony Nguyen /* configure RSS for IPv4 with input set IP src/dst */ 1452c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV4, 1453c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_IPV4); 1454c90ed40cSTony Nguyen if (status) 14550fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for ipv4 flow, vsi = %d, error = %s\n", 14560fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1457c90ed40cSTony Nguyen 1458c90ed40cSTony Nguyen /* configure RSS for IPv6 with input set IPv6 src/dst */ 1459c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV6, 1460c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_IPV6); 1461c90ed40cSTony Nguyen if (status) 14620fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for ipv6 flow, vsi = %d, error = %s\n", 14630fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1464c90ed40cSTony Nguyen 1465c90ed40cSTony Nguyen /* configure RSS for tcp4 with input set IP src/dst, TCP src/dst */ 1466c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_TCP_IPV4, 1467c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4); 1468c90ed40cSTony Nguyen if (status) 14690fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for tcp4 flow, vsi = %d, error = %s\n", 14700fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1471c90ed40cSTony Nguyen 1472c90ed40cSTony Nguyen /* configure RSS for udp4 with input set IP src/dst, UDP src/dst */ 1473c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_UDP_IPV4, 1474c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4); 1475c90ed40cSTony Nguyen if (status) 14760fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for udp4 flow, vsi = %d, error = %s\n", 14770fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1478c90ed40cSTony Nguyen 1479c90ed40cSTony Nguyen /* configure RSS for sctp4 with input set IP src/dst */ 1480c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV4, 1481c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4); 1482c90ed40cSTony Nguyen if (status) 14830fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for sctp4 flow, vsi = %d, error = %s\n", 14840fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1485c90ed40cSTony Nguyen 1486c90ed40cSTony Nguyen /* configure RSS for tcp6 with input set IPv6 src/dst, TCP src/dst */ 1487c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_TCP_IPV6, 1488c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6); 1489c90ed40cSTony Nguyen if (status) 14900fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for tcp6 flow, vsi = %d, error = %s\n", 14910fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1492c90ed40cSTony Nguyen 1493c90ed40cSTony Nguyen /* configure RSS for udp6 with input set IPv6 src/dst, UDP src/dst */ 1494c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_UDP_IPV6, 1495c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6); 1496c90ed40cSTony Nguyen if (status) 14970fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for udp6 flow, vsi = %d, error = %s\n", 14980fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1499c90ed40cSTony Nguyen 1500c90ed40cSTony Nguyen /* configure RSS for sctp6 with input set IPv6 src/dst */ 1501c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV6, 1502c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6); 1503c90ed40cSTony Nguyen if (status) 15040fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for sctp6 flow, vsi = %d, error = %s\n", 15050fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1506c90ed40cSTony Nguyen } 1507c90ed40cSTony Nguyen 1508c90ed40cSTony Nguyen /** 1509769c500dSAkeem G Abodunrin * ice_pf_state_is_nominal - checks the PF for nominal state 1510769c500dSAkeem G Abodunrin * @pf: pointer to PF to check 1511769c500dSAkeem G Abodunrin * 1512769c500dSAkeem G Abodunrin * Check the PF's state for a collection of bits that would indicate 1513769c500dSAkeem G Abodunrin * the PF is in a state that would inhibit normal operation for 1514769c500dSAkeem G Abodunrin * driver functionality. 1515769c500dSAkeem G Abodunrin * 1516769c500dSAkeem G Abodunrin * Returns true if PF is in a nominal state, false otherwise 1517769c500dSAkeem G Abodunrin */ 1518769c500dSAkeem G Abodunrin bool ice_pf_state_is_nominal(struct ice_pf *pf) 1519769c500dSAkeem G Abodunrin { 15207e408e07SAnirudh Venkataramanan DECLARE_BITMAP(check_bits, ICE_STATE_NBITS) = { 0 }; 1521769c500dSAkeem G Abodunrin 1522769c500dSAkeem G Abodunrin if (!pf) 1523769c500dSAkeem G Abodunrin return false; 1524769c500dSAkeem G Abodunrin 15257e408e07SAnirudh Venkataramanan bitmap_set(check_bits, 0, ICE_STATE_NOMINAL_CHECK_BITS); 15267e408e07SAnirudh Venkataramanan if (bitmap_intersects(pf->state, check_bits, ICE_STATE_NBITS)) 1527769c500dSAkeem G Abodunrin return false; 1528769c500dSAkeem G Abodunrin 1529769c500dSAkeem G Abodunrin return true; 1530769c500dSAkeem G Abodunrin } 1531769c500dSAkeem G Abodunrin 1532769c500dSAkeem G Abodunrin /** 153345d3d428SAnirudh Venkataramanan * ice_update_eth_stats - Update VSI-specific ethernet statistics counters 153445d3d428SAnirudh Venkataramanan * @vsi: the VSI to be updated 153545d3d428SAnirudh Venkataramanan */ 153645d3d428SAnirudh Venkataramanan void ice_update_eth_stats(struct ice_vsi *vsi) 153745d3d428SAnirudh Venkataramanan { 153845d3d428SAnirudh Venkataramanan struct ice_eth_stats *prev_es, *cur_es; 153945d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 154045d3d428SAnirudh Venkataramanan u16 vsi_num = vsi->vsi_num; /* HW absolute index of a VSI */ 154145d3d428SAnirudh Venkataramanan 154245d3d428SAnirudh Venkataramanan prev_es = &vsi->eth_stats_prev; 154345d3d428SAnirudh Venkataramanan cur_es = &vsi->eth_stats; 154445d3d428SAnirudh Venkataramanan 154536517fd3SJacob Keller ice_stat_update40(hw, GLV_GORCL(vsi_num), vsi->stat_offsets_loaded, 154636517fd3SJacob Keller &prev_es->rx_bytes, &cur_es->rx_bytes); 154745d3d428SAnirudh Venkataramanan 154836517fd3SJacob Keller ice_stat_update40(hw, GLV_UPRCL(vsi_num), vsi->stat_offsets_loaded, 154936517fd3SJacob Keller &prev_es->rx_unicast, &cur_es->rx_unicast); 155045d3d428SAnirudh Venkataramanan 155136517fd3SJacob Keller ice_stat_update40(hw, GLV_MPRCL(vsi_num), vsi->stat_offsets_loaded, 155236517fd3SJacob Keller &prev_es->rx_multicast, &cur_es->rx_multicast); 155345d3d428SAnirudh Venkataramanan 155436517fd3SJacob Keller ice_stat_update40(hw, GLV_BPRCL(vsi_num), vsi->stat_offsets_loaded, 155536517fd3SJacob Keller &prev_es->rx_broadcast, &cur_es->rx_broadcast); 155645d3d428SAnirudh Venkataramanan 155745d3d428SAnirudh Venkataramanan ice_stat_update32(hw, GLV_RDPC(vsi_num), vsi->stat_offsets_loaded, 155845d3d428SAnirudh Venkataramanan &prev_es->rx_discards, &cur_es->rx_discards); 155945d3d428SAnirudh Venkataramanan 156036517fd3SJacob Keller ice_stat_update40(hw, GLV_GOTCL(vsi_num), vsi->stat_offsets_loaded, 156136517fd3SJacob Keller &prev_es->tx_bytes, &cur_es->tx_bytes); 156245d3d428SAnirudh Venkataramanan 156336517fd3SJacob Keller ice_stat_update40(hw, GLV_UPTCL(vsi_num), vsi->stat_offsets_loaded, 156436517fd3SJacob Keller &prev_es->tx_unicast, &cur_es->tx_unicast); 156545d3d428SAnirudh Venkataramanan 156636517fd3SJacob Keller ice_stat_update40(hw, GLV_MPTCL(vsi_num), vsi->stat_offsets_loaded, 156736517fd3SJacob Keller &prev_es->tx_multicast, &cur_es->tx_multicast); 156845d3d428SAnirudh Venkataramanan 156936517fd3SJacob Keller ice_stat_update40(hw, GLV_BPTCL(vsi_num), vsi->stat_offsets_loaded, 157036517fd3SJacob Keller &prev_es->tx_broadcast, &cur_es->tx_broadcast); 157145d3d428SAnirudh Venkataramanan 157245d3d428SAnirudh Venkataramanan ice_stat_update32(hw, GLV_TEPC(vsi_num), vsi->stat_offsets_loaded, 157345d3d428SAnirudh Venkataramanan &prev_es->tx_errors, &cur_es->tx_errors); 157445d3d428SAnirudh Venkataramanan 157545d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded = true; 157645d3d428SAnirudh Venkataramanan } 157745d3d428SAnirudh Venkataramanan 157845d3d428SAnirudh Venkataramanan /** 157945d3d428SAnirudh Venkataramanan * ice_vsi_add_vlan - Add VSI membership for given VLAN 158045d3d428SAnirudh Venkataramanan * @vsi: the VSI being configured 1581f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be added 15821b8f15b6SMichal Swiatkowski * @action: filter action to be performed on match 158345d3d428SAnirudh Venkataramanan */ 15841b8f15b6SMichal Swiatkowski int 15851b8f15b6SMichal Swiatkowski ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid, enum ice_sw_fwd_act_type action) 158645d3d428SAnirudh Venkataramanan { 158745d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 15884015d11eSBrett Creeley struct device *dev; 158945d3d428SAnirudh Venkataramanan int err = 0; 159045d3d428SAnirudh Venkataramanan 15914015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 159245d3d428SAnirudh Venkataramanan 15931b8f15b6SMichal Swiatkowski if (!ice_fltr_add_vlan(vsi, vid, action)) { 159442f3efefSBrett Creeley vsi->num_vlan++; 159542f3efefSBrett Creeley } else { 159645d3d428SAnirudh Venkataramanan err = -ENODEV; 15974015d11eSBrett Creeley dev_err(dev, "Failure Adding VLAN %d on VSI %i\n", vid, 15984015d11eSBrett Creeley vsi->vsi_num); 159945d3d428SAnirudh Venkataramanan } 160045d3d428SAnirudh Venkataramanan 160145d3d428SAnirudh Venkataramanan return err; 160245d3d428SAnirudh Venkataramanan } 160345d3d428SAnirudh Venkataramanan 160445d3d428SAnirudh Venkataramanan /** 160545d3d428SAnirudh Venkataramanan * ice_vsi_kill_vlan - Remove VSI membership for a given VLAN 160645d3d428SAnirudh Venkataramanan * @vsi: the VSI being configured 1607f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be removed 160845d3d428SAnirudh Venkataramanan * 160945d3d428SAnirudh Venkataramanan * Returns 0 on success and negative on failure 161045d3d428SAnirudh Venkataramanan */ 161145d3d428SAnirudh Venkataramanan int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid) 161245d3d428SAnirudh Venkataramanan { 161345d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 16145079b853SAkeem G Abodunrin enum ice_status status; 16154015d11eSBrett Creeley struct device *dev; 16165079b853SAkeem G Abodunrin int err = 0; 161745d3d428SAnirudh Venkataramanan 16184015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 161945d3d428SAnirudh Venkataramanan 16201b8f15b6SMichal Swiatkowski status = ice_fltr_remove_vlan(vsi, vid, ICE_FWD_TO_VSI); 162142f3efefSBrett Creeley if (!status) { 162242f3efefSBrett Creeley vsi->num_vlan--; 162342f3efefSBrett Creeley } else if (status == ICE_ERR_DOES_NOT_EXIST) { 16240fee3577SLihong Yang dev_dbg(dev, "Failed to remove VLAN %d on VSI %i, it does not exist, status: %s\n", 16250fee3577SLihong Yang vid, vsi->vsi_num, ice_stat_str(status)); 162642f3efefSBrett Creeley } else { 16270fee3577SLihong Yang dev_err(dev, "Error removing VLAN %d on vsi %i error: %s\n", 16280fee3577SLihong Yang vid, vsi->vsi_num, ice_stat_str(status)); 16295079b853SAkeem G Abodunrin err = -EIO; 163045d3d428SAnirudh Venkataramanan } 163145d3d428SAnirudh Venkataramanan 16325079b853SAkeem G Abodunrin return err; 163345d3d428SAnirudh Venkataramanan } 163445d3d428SAnirudh Venkataramanan 163545d3d428SAnirudh Venkataramanan /** 1636efc2214bSMaciej Fijalkowski * ice_vsi_cfg_frame_size - setup max frame size and Rx buffer length 1637efc2214bSMaciej Fijalkowski * @vsi: VSI 1638efc2214bSMaciej Fijalkowski */ 1639efc2214bSMaciej Fijalkowski void ice_vsi_cfg_frame_size(struct ice_vsi *vsi) 1640efc2214bSMaciej Fijalkowski { 16417237f5b0SMaciej Fijalkowski if (!vsi->netdev || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) { 16427237f5b0SMaciej Fijalkowski vsi->max_frame = ICE_AQ_SET_MAC_FRAME_SIZE_MAX; 1643efc2214bSMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_2048; 16447237f5b0SMaciej Fijalkowski #if (PAGE_SIZE < 8192) 164559bb0808SMaciej Fijalkowski } else if (!ICE_2K_TOO_SMALL_WITH_PADDING && 164659bb0808SMaciej Fijalkowski (vsi->netdev->mtu <= ETH_DATA_LEN)) { 16477237f5b0SMaciej Fijalkowski vsi->max_frame = ICE_RXBUF_1536 - NET_IP_ALIGN; 16487237f5b0SMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_1536 - NET_IP_ALIGN; 16497237f5b0SMaciej Fijalkowski #endif 16507237f5b0SMaciej Fijalkowski } else { 16517237f5b0SMaciej Fijalkowski vsi->max_frame = ICE_AQ_SET_MAC_FRAME_SIZE_MAX; 16527237f5b0SMaciej Fijalkowski #if (PAGE_SIZE < 8192) 16537237f5b0SMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_3072; 16547237f5b0SMaciej Fijalkowski #else 16557237f5b0SMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_2048; 16567237f5b0SMaciej Fijalkowski #endif 16577237f5b0SMaciej Fijalkowski } 1658efc2214bSMaciej Fijalkowski } 1659efc2214bSMaciej Fijalkowski 1660efc2214bSMaciej Fijalkowski /** 1661401ce33bSBrett Creeley * ice_write_qrxflxp_cntxt - write/configure QRXFLXP_CNTXT register 1662401ce33bSBrett Creeley * @hw: HW pointer 1663401ce33bSBrett Creeley * @pf_q: index of the Rx queue in the PF's queue space 1664401ce33bSBrett Creeley * @rxdid: flexible descriptor RXDID 1665401ce33bSBrett Creeley * @prio: priority for the RXDID for this queue 1666401ce33bSBrett Creeley */ 1667401ce33bSBrett Creeley void 1668401ce33bSBrett Creeley ice_write_qrxflxp_cntxt(struct ice_hw *hw, u16 pf_q, u32 rxdid, u32 prio) 1669401ce33bSBrett Creeley { 1670401ce33bSBrett Creeley int regval = rd32(hw, QRXFLXP_CNTXT(pf_q)); 1671401ce33bSBrett Creeley 1672401ce33bSBrett Creeley /* clear any previous values */ 1673401ce33bSBrett Creeley regval &= ~(QRXFLXP_CNTXT_RXDID_IDX_M | 1674401ce33bSBrett Creeley QRXFLXP_CNTXT_RXDID_PRIO_M | 1675401ce33bSBrett Creeley QRXFLXP_CNTXT_TS_M); 1676401ce33bSBrett Creeley 1677401ce33bSBrett Creeley regval |= (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) & 1678401ce33bSBrett Creeley QRXFLXP_CNTXT_RXDID_IDX_M; 1679401ce33bSBrett Creeley 1680401ce33bSBrett Creeley regval |= (prio << QRXFLXP_CNTXT_RXDID_PRIO_S) & 1681401ce33bSBrett Creeley QRXFLXP_CNTXT_RXDID_PRIO_M; 1682401ce33bSBrett Creeley 1683401ce33bSBrett Creeley wr32(hw, QRXFLXP_CNTXT(pf_q), regval); 1684401ce33bSBrett Creeley } 1685401ce33bSBrett Creeley 16867ad15440SBrett Creeley int ice_vsi_cfg_single_rxq(struct ice_vsi *vsi, u16 q_idx) 16877ad15440SBrett Creeley { 16887ad15440SBrett Creeley if (q_idx >= vsi->num_rxq) 16897ad15440SBrett Creeley return -EINVAL; 16907ad15440SBrett Creeley 16917ad15440SBrett Creeley return ice_vsi_cfg_rxq(vsi->rx_rings[q_idx]); 16927ad15440SBrett Creeley } 16937ad15440SBrett Creeley 16947ad15440SBrett Creeley int ice_vsi_cfg_single_txq(struct ice_vsi *vsi, struct ice_ring **tx_rings, u16 q_idx) 16957ad15440SBrett Creeley { 16967ad15440SBrett Creeley struct ice_aqc_add_tx_qgrp *qg_buf; 16977ad15440SBrett Creeley int err; 16987ad15440SBrett Creeley 16997ad15440SBrett Creeley if (q_idx >= vsi->alloc_txq || !tx_rings || !tx_rings[q_idx]) 17007ad15440SBrett Creeley return -EINVAL; 17017ad15440SBrett Creeley 17027ad15440SBrett Creeley qg_buf = kzalloc(struct_size(qg_buf, txqs, 1), GFP_KERNEL); 17037ad15440SBrett Creeley if (!qg_buf) 17047ad15440SBrett Creeley return -ENOMEM; 17057ad15440SBrett Creeley 17067ad15440SBrett Creeley qg_buf->num_txqs = 1; 17077ad15440SBrett Creeley 17087ad15440SBrett Creeley err = ice_vsi_cfg_txq(vsi, tx_rings[q_idx], qg_buf); 17097ad15440SBrett Creeley kfree(qg_buf); 17107ad15440SBrett Creeley return err; 17117ad15440SBrett Creeley } 17127ad15440SBrett Creeley 1713401ce33bSBrett Creeley /** 171472adf242SAnirudh Venkataramanan * ice_vsi_cfg_rxqs - Configure the VSI for Rx 171572adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 171672adf242SAnirudh Venkataramanan * 171772adf242SAnirudh Venkataramanan * Return 0 on success and a negative value on error 171872adf242SAnirudh Venkataramanan * Configure the Rx VSI for operation. 171972adf242SAnirudh Venkataramanan */ 172072adf242SAnirudh Venkataramanan int ice_vsi_cfg_rxqs(struct ice_vsi *vsi) 172172adf242SAnirudh Venkataramanan { 172272adf242SAnirudh Venkataramanan u16 i; 172372adf242SAnirudh Venkataramanan 17248ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 17258ede0178SAnirudh Venkataramanan goto setup_rings; 17268ede0178SAnirudh Venkataramanan 1727efc2214bSMaciej Fijalkowski ice_vsi_cfg_frame_size(vsi); 17288ede0178SAnirudh Venkataramanan setup_rings: 172972adf242SAnirudh Venkataramanan /* set up individual rings */ 173043c7f919SKrzysztof Kazimierczak ice_for_each_rxq(vsi, i) { 173143c7f919SKrzysztof Kazimierczak int err = ice_vsi_cfg_rxq(vsi->rx_rings[i]); 173272adf242SAnirudh Venkataramanan 173343c7f919SKrzysztof Kazimierczak if (err) 173472adf242SAnirudh Venkataramanan return err; 173572adf242SAnirudh Venkataramanan } 17361553f4f7SBrett Creeley 17371553f4f7SBrett Creeley return 0; 17381553f4f7SBrett Creeley } 173972adf242SAnirudh Venkataramanan 174072adf242SAnirudh Venkataramanan /** 174172adf242SAnirudh Venkataramanan * ice_vsi_cfg_txqs - Configure the VSI for Tx 174272adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 174303f7a986SAnirudh Venkataramanan * @rings: Tx ring array to be configured 174472adf242SAnirudh Venkataramanan * 174572adf242SAnirudh Venkataramanan * Return 0 on success and a negative value on error 174672adf242SAnirudh Venkataramanan * Configure the Tx VSI for operation. 174772adf242SAnirudh Venkataramanan */ 174803f7a986SAnirudh Venkataramanan static int 1749e75d1b2cSMaciej Fijalkowski ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_ring **rings) 175072adf242SAnirudh Venkataramanan { 175172adf242SAnirudh Venkataramanan struct ice_aqc_add_tx_qgrp *qg_buf; 1752e75d1b2cSMaciej Fijalkowski u16 q_idx = 0; 1753d02f734cSMaciej Fijalkowski int err = 0; 175472adf242SAnirudh Venkataramanan 175566486d89SBruce Allan qg_buf = kzalloc(struct_size(qg_buf, txqs, 1), GFP_KERNEL); 175672adf242SAnirudh Venkataramanan if (!qg_buf) 175772adf242SAnirudh Venkataramanan return -ENOMEM; 175872adf242SAnirudh Venkataramanan 175972adf242SAnirudh Venkataramanan qg_buf->num_txqs = 1; 176072adf242SAnirudh Venkataramanan 1761e75d1b2cSMaciej Fijalkowski for (q_idx = 0; q_idx < vsi->num_txq; q_idx++) { 1762e75d1b2cSMaciej Fijalkowski err = ice_vsi_cfg_txq(vsi, rings[q_idx], qg_buf); 1763d02f734cSMaciej Fijalkowski if (err) 176472adf242SAnirudh Venkataramanan goto err_cfg_txqs; 1765e75d1b2cSMaciej Fijalkowski } 1766c5a2a4a3SUsha Ketineni 176772adf242SAnirudh Venkataramanan err_cfg_txqs: 1768e75d1b2cSMaciej Fijalkowski kfree(qg_buf); 176972adf242SAnirudh Venkataramanan return err; 177072adf242SAnirudh Venkataramanan } 177172adf242SAnirudh Venkataramanan 177272adf242SAnirudh Venkataramanan /** 177303f7a986SAnirudh Venkataramanan * ice_vsi_cfg_lan_txqs - Configure the VSI for Tx 177403f7a986SAnirudh Venkataramanan * @vsi: the VSI being configured 177503f7a986SAnirudh Venkataramanan * 177603f7a986SAnirudh Venkataramanan * Return 0 on success and a negative value on error 177703f7a986SAnirudh Venkataramanan * Configure the Tx VSI for operation. 177803f7a986SAnirudh Venkataramanan */ 177903f7a986SAnirudh Venkataramanan int ice_vsi_cfg_lan_txqs(struct ice_vsi *vsi) 178003f7a986SAnirudh Venkataramanan { 1781e75d1b2cSMaciej Fijalkowski return ice_vsi_cfg_txqs(vsi, vsi->tx_rings); 178203f7a986SAnirudh Venkataramanan } 178303f7a986SAnirudh Venkataramanan 178403f7a986SAnirudh Venkataramanan /** 1785efc2214bSMaciej Fijalkowski * ice_vsi_cfg_xdp_txqs - Configure Tx queues dedicated for XDP in given VSI 1786efc2214bSMaciej Fijalkowski * @vsi: the VSI being configured 1787efc2214bSMaciej Fijalkowski * 1788efc2214bSMaciej Fijalkowski * Return 0 on success and a negative value on error 1789efc2214bSMaciej Fijalkowski * Configure the Tx queues dedicated for XDP in given VSI for operation. 1790efc2214bSMaciej Fijalkowski */ 1791efc2214bSMaciej Fijalkowski int ice_vsi_cfg_xdp_txqs(struct ice_vsi *vsi) 1792efc2214bSMaciej Fijalkowski { 17932d4238f5SKrzysztof Kazimierczak int ret; 17942d4238f5SKrzysztof Kazimierczak int i; 17952d4238f5SKrzysztof Kazimierczak 17962d4238f5SKrzysztof Kazimierczak ret = ice_vsi_cfg_txqs(vsi, vsi->xdp_rings); 17972d4238f5SKrzysztof Kazimierczak if (ret) 17982d4238f5SKrzysztof Kazimierczak return ret; 17992d4238f5SKrzysztof Kazimierczak 18002d4238f5SKrzysztof Kazimierczak for (i = 0; i < vsi->num_xdp_txq; i++) 18011742b3d5SMagnus Karlsson vsi->xdp_rings[i]->xsk_pool = ice_xsk_pool(vsi->xdp_rings[i]); 18022d4238f5SKrzysztof Kazimierczak 18032d4238f5SKrzysztof Kazimierczak return ret; 1804efc2214bSMaciej Fijalkowski } 1805efc2214bSMaciej Fijalkowski 1806efc2214bSMaciej Fijalkowski /** 18079e4ab4c2SBrett Creeley * ice_intrl_usec_to_reg - convert interrupt rate limit to register value 18089e4ab4c2SBrett Creeley * @intrl: interrupt rate limit in usecs 18099e4ab4c2SBrett Creeley * @gran: interrupt rate limit granularity in usecs 18109e4ab4c2SBrett Creeley * 18119e4ab4c2SBrett Creeley * This function converts a decimal interrupt rate limit in usecs to the format 18129e4ab4c2SBrett Creeley * expected by firmware. 18139e4ab4c2SBrett Creeley */ 1814b8b47723SJesse Brandeburg static u32 ice_intrl_usec_to_reg(u8 intrl, u8 gran) 18159e4ab4c2SBrett Creeley { 18169e4ab4c2SBrett Creeley u32 val = intrl / gran; 18179e4ab4c2SBrett Creeley 18189e4ab4c2SBrett Creeley if (val) 18199e4ab4c2SBrett Creeley return val | GLINT_RATE_INTRL_ENA_M; 18209e4ab4c2SBrett Creeley return 0; 18219e4ab4c2SBrett Creeley } 18229e4ab4c2SBrett Creeley 18239e4ab4c2SBrett Creeley /** 1824b8b47723SJesse Brandeburg * ice_write_intrl - write throttle rate limit to interrupt specific register 1825b8b47723SJesse Brandeburg * @q_vector: pointer to interrupt specific structure 1826b8b47723SJesse Brandeburg * @intrl: throttle rate limit in microseconds to write 1827b8b47723SJesse Brandeburg */ 1828b8b47723SJesse Brandeburg void ice_write_intrl(struct ice_q_vector *q_vector, u8 intrl) 1829b8b47723SJesse Brandeburg { 1830b8b47723SJesse Brandeburg struct ice_hw *hw = &q_vector->vsi->back->hw; 1831b8b47723SJesse Brandeburg 1832b8b47723SJesse Brandeburg wr32(hw, GLINT_RATE(q_vector->reg_idx), 1833b8b47723SJesse Brandeburg ice_intrl_usec_to_reg(intrl, ICE_INTRL_GRAN_ABOVE_25)); 1834b8b47723SJesse Brandeburg } 1835b8b47723SJesse Brandeburg 1836b8b47723SJesse Brandeburg /** 1837b8b47723SJesse Brandeburg * __ice_write_itr - write throttle rate to register 1838b8b47723SJesse Brandeburg * @q_vector: pointer to interrupt data structure 1839b8b47723SJesse Brandeburg * @rc: pointer to ring container 1840b8b47723SJesse Brandeburg * @itr: throttle rate in microseconds to write 1841b8b47723SJesse Brandeburg */ 1842b8b47723SJesse Brandeburg static void __ice_write_itr(struct ice_q_vector *q_vector, 1843b8b47723SJesse Brandeburg struct ice_ring_container *rc, u16 itr) 1844b8b47723SJesse Brandeburg { 1845b8b47723SJesse Brandeburg struct ice_hw *hw = &q_vector->vsi->back->hw; 1846b8b47723SJesse Brandeburg 1847b8b47723SJesse Brandeburg wr32(hw, GLINT_ITR(rc->itr_idx, q_vector->reg_idx), 1848b8b47723SJesse Brandeburg ITR_REG_ALIGN(itr) >> ICE_ITR_GRAN_S); 1849b8b47723SJesse Brandeburg } 1850b8b47723SJesse Brandeburg 1851b8b47723SJesse Brandeburg /** 1852b8b47723SJesse Brandeburg * ice_write_itr - write throttle rate to queue specific register 1853b8b47723SJesse Brandeburg * @rc: pointer to ring container 1854b8b47723SJesse Brandeburg * @itr: throttle rate in microseconds to write 1855b8b47723SJesse Brandeburg */ 1856b8b47723SJesse Brandeburg void ice_write_itr(struct ice_ring_container *rc, u16 itr) 1857b8b47723SJesse Brandeburg { 1858b8b47723SJesse Brandeburg struct ice_q_vector *q_vector; 1859b8b47723SJesse Brandeburg 1860b8b47723SJesse Brandeburg if (!rc->ring) 1861b8b47723SJesse Brandeburg return; 1862b8b47723SJesse Brandeburg 1863b8b47723SJesse Brandeburg q_vector = rc->ring->q_vector; 1864b8b47723SJesse Brandeburg 1865b8b47723SJesse Brandeburg __ice_write_itr(q_vector, rc, itr); 1866b8b47723SJesse Brandeburg } 1867b8b47723SJesse Brandeburg 1868b8b47723SJesse Brandeburg /** 186972adf242SAnirudh Venkataramanan * ice_vsi_cfg_msix - MSIX mode Interrupt Config in the HW 187072adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 1871047e52c0SAnirudh Venkataramanan * 1872047e52c0SAnirudh Venkataramanan * This configures MSIX mode interrupts for the PF VSI, and should not be used 1873047e52c0SAnirudh Venkataramanan * for the VF VSI. 187472adf242SAnirudh Venkataramanan */ 187572adf242SAnirudh Venkataramanan void ice_vsi_cfg_msix(struct ice_vsi *vsi) 187672adf242SAnirudh Venkataramanan { 187772adf242SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 187872adf242SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 187988865fc4SKarol Kolacinski u16 txq = 0, rxq = 0; 1880d2b464a7SBrett Creeley int i, q; 188172adf242SAnirudh Venkataramanan 1882b07833a0SBrett Creeley for (i = 0; i < vsi->num_q_vectors; i++) { 188372adf242SAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[i]; 1884b07833a0SBrett Creeley u16 reg_idx = q_vector->reg_idx; 188572adf242SAnirudh Venkataramanan 1886b07833a0SBrett Creeley ice_cfg_itr(hw, q_vector); 18879e4ab4c2SBrett Creeley 188872adf242SAnirudh Venkataramanan /* Both Transmit Queue Interrupt Cause Control register 188972adf242SAnirudh Venkataramanan * and Receive Queue Interrupt Cause control register 189072adf242SAnirudh Venkataramanan * expects MSIX_INDX field to be the vector index 189172adf242SAnirudh Venkataramanan * within the function space and not the absolute 189272adf242SAnirudh Venkataramanan * vector index across PF or across device. 189372adf242SAnirudh Venkataramanan * For SR-IOV VF VSIs queue vector index always starts 189472adf242SAnirudh Venkataramanan * with 1 since first vector index(0) is used for OICR 189572adf242SAnirudh Venkataramanan * in VF space. Since VMDq and other PF VSIs are within 189672adf242SAnirudh Venkataramanan * the PF function space, use the vector index that is 189772adf242SAnirudh Venkataramanan * tracked for this PF. 189872adf242SAnirudh Venkataramanan */ 189972adf242SAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_tx; q++) { 1900047e52c0SAnirudh Venkataramanan ice_cfg_txq_interrupt(vsi, txq, reg_idx, 1901047e52c0SAnirudh Venkataramanan q_vector->tx.itr_idx); 190272adf242SAnirudh Venkataramanan txq++; 190372adf242SAnirudh Venkataramanan } 190472adf242SAnirudh Venkataramanan 190572adf242SAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_rx; q++) { 1906047e52c0SAnirudh Venkataramanan ice_cfg_rxq_interrupt(vsi, rxq, reg_idx, 1907047e52c0SAnirudh Venkataramanan q_vector->rx.itr_idx); 190872adf242SAnirudh Venkataramanan rxq++; 190972adf242SAnirudh Venkataramanan } 191072adf242SAnirudh Venkataramanan } 191172adf242SAnirudh Venkataramanan } 191272adf242SAnirudh Venkataramanan 191372adf242SAnirudh Venkataramanan /** 191445d3d428SAnirudh Venkataramanan * ice_vsi_manage_vlan_insertion - Manage VLAN insertion for the VSI for Tx 191545d3d428SAnirudh Venkataramanan * @vsi: the VSI being changed 191645d3d428SAnirudh Venkataramanan */ 191745d3d428SAnirudh Venkataramanan int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi) 191845d3d428SAnirudh Venkataramanan { 191945d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 1920198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 192145d3d428SAnirudh Venkataramanan enum ice_status status; 1922198a666aSBruce Allan int ret = 0; 1923198a666aSBruce Allan 19249efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 1925198a666aSBruce Allan if (!ctxt) 1926198a666aSBruce Allan return -ENOMEM; 192745d3d428SAnirudh Venkataramanan 192845d3d428SAnirudh Venkataramanan /* Here we are configuring the VSI to let the driver add VLAN tags by 192945d3d428SAnirudh Venkataramanan * setting vlan_flags to ICE_AQ_VSI_VLAN_MODE_ALL. The actual VLAN tag 193045d3d428SAnirudh Venkataramanan * insertion happens in the Tx hot path, in ice_tx_map. 193145d3d428SAnirudh Venkataramanan */ 1932198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL; 193345d3d428SAnirudh Venkataramanan 1934e80e76dbSTony Nguyen /* Preserve existing VLAN strip setting */ 1935e80e76dbSTony Nguyen ctxt->info.vlan_flags |= (vsi->info.vlan_flags & 1936e80e76dbSTony Nguyen ICE_AQ_VSI_VLAN_EMOD_M); 1937e80e76dbSTony Nguyen 1938198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); 193945d3d428SAnirudh Venkataramanan 1940198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 194145d3d428SAnirudh Venkataramanan if (status) { 19420fee3577SLihong Yang dev_err(ice_pf_to_dev(vsi->back), "update VSI for VLAN insert failed, err %s aq_err %s\n", 19430fee3577SLihong Yang ice_stat_str(status), 19440fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 1945198a666aSBruce Allan ret = -EIO; 1946198a666aSBruce Allan goto out; 194745d3d428SAnirudh Venkataramanan } 194845d3d428SAnirudh Venkataramanan 1949198a666aSBruce Allan vsi->info.vlan_flags = ctxt->info.vlan_flags; 1950198a666aSBruce Allan out: 19519efe35d0STony Nguyen kfree(ctxt); 1952198a666aSBruce Allan return ret; 195345d3d428SAnirudh Venkataramanan } 195445d3d428SAnirudh Venkataramanan 195545d3d428SAnirudh Venkataramanan /** 195645d3d428SAnirudh Venkataramanan * ice_vsi_manage_vlan_stripping - Manage VLAN stripping for the VSI for Rx 195745d3d428SAnirudh Venkataramanan * @vsi: the VSI being changed 195845d3d428SAnirudh Venkataramanan * @ena: boolean value indicating if this is a enable or disable request 195945d3d428SAnirudh Venkataramanan */ 196045d3d428SAnirudh Venkataramanan int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena) 196145d3d428SAnirudh Venkataramanan { 196245d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 1963198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 196445d3d428SAnirudh Venkataramanan enum ice_status status; 1965198a666aSBruce Allan int ret = 0; 1966198a666aSBruce Allan 196719608275SBrett Creeley /* do not allow modifying VLAN stripping when a port VLAN is configured 196819608275SBrett Creeley * on this VSI 196919608275SBrett Creeley */ 197019608275SBrett Creeley if (vsi->info.pvid) 197119608275SBrett Creeley return 0; 197219608275SBrett Creeley 19739efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 1974198a666aSBruce Allan if (!ctxt) 1975198a666aSBruce Allan return -ENOMEM; 197645d3d428SAnirudh Venkataramanan 197745d3d428SAnirudh Venkataramanan /* Here we are configuring what the VSI should do with the VLAN tag in 197845d3d428SAnirudh Venkataramanan * the Rx packet. We can either leave the tag in the packet or put it in 197945d3d428SAnirudh Venkataramanan * the Rx descriptor. 198045d3d428SAnirudh Venkataramanan */ 1981198a666aSBruce Allan if (ena) 198245d3d428SAnirudh Venkataramanan /* Strip VLAN tag from Rx packet and put it in the desc */ 1983198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_STR_BOTH; 1984198a666aSBruce Allan else 198545d3d428SAnirudh Venkataramanan /* Disable stripping. Leave tag in packet */ 1986198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING; 198745d3d428SAnirudh Venkataramanan 198845d3d428SAnirudh Venkataramanan /* Allow all packets untagged/tagged */ 1989198a666aSBruce Allan ctxt->info.vlan_flags |= ICE_AQ_VSI_VLAN_MODE_ALL; 199045d3d428SAnirudh Venkataramanan 1991198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); 199245d3d428SAnirudh Venkataramanan 1993198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 199445d3d428SAnirudh Venkataramanan if (status) { 19950fee3577SLihong Yang dev_err(ice_pf_to_dev(vsi->back), "update VSI for VLAN strip failed, ena = %d err %s aq_err %s\n", 19960fee3577SLihong Yang ena, ice_stat_str(status), 19970fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 1998198a666aSBruce Allan ret = -EIO; 1999198a666aSBruce Allan goto out; 200045d3d428SAnirudh Venkataramanan } 200145d3d428SAnirudh Venkataramanan 2002198a666aSBruce Allan vsi->info.vlan_flags = ctxt->info.vlan_flags; 2003198a666aSBruce Allan out: 20049efe35d0STony Nguyen kfree(ctxt); 2005198a666aSBruce Allan return ret; 200645d3d428SAnirudh Venkataramanan } 200772adf242SAnirudh Venkataramanan 200872adf242SAnirudh Venkataramanan /** 200913a6233bSBrett Creeley * ice_vsi_start_all_rx_rings - start/enable all of a VSI's Rx rings 201013a6233bSBrett Creeley * @vsi: the VSI whose rings are to be enabled 201172adf242SAnirudh Venkataramanan * 201272adf242SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 201372adf242SAnirudh Venkataramanan */ 201413a6233bSBrett Creeley int ice_vsi_start_all_rx_rings(struct ice_vsi *vsi) 201572adf242SAnirudh Venkataramanan { 201613a6233bSBrett Creeley return ice_vsi_ctrl_all_rx_rings(vsi, true); 201772adf242SAnirudh Venkataramanan } 201872adf242SAnirudh Venkataramanan 201972adf242SAnirudh Venkataramanan /** 202013a6233bSBrett Creeley * ice_vsi_stop_all_rx_rings - stop/disable all of a VSI's Rx rings 202113a6233bSBrett Creeley * @vsi: the VSI whose rings are to be disabled 202272adf242SAnirudh Venkataramanan * 202372adf242SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 202472adf242SAnirudh Venkataramanan */ 202513a6233bSBrett Creeley int ice_vsi_stop_all_rx_rings(struct ice_vsi *vsi) 202672adf242SAnirudh Venkataramanan { 202713a6233bSBrett Creeley return ice_vsi_ctrl_all_rx_rings(vsi, false); 202872adf242SAnirudh Venkataramanan } 202972adf242SAnirudh Venkataramanan 203072adf242SAnirudh Venkataramanan /** 2031d02f734cSMaciej Fijalkowski * ice_vsi_stop_tx_rings - Disable Tx rings 2032d02f734cSMaciej Fijalkowski * @vsi: the VSI being configured 2033d02f734cSMaciej Fijalkowski * @rst_src: reset source 2034d02f734cSMaciej Fijalkowski * @rel_vmvf_num: Relative ID of VF/VM 2035d02f734cSMaciej Fijalkowski * @rings: Tx ring array to be stopped 2036d02f734cSMaciej Fijalkowski */ 2037d02f734cSMaciej Fijalkowski static int 2038d02f734cSMaciej Fijalkowski ice_vsi_stop_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, 2039d02f734cSMaciej Fijalkowski u16 rel_vmvf_num, struct ice_ring **rings) 2040d02f734cSMaciej Fijalkowski { 2041e75d1b2cSMaciej Fijalkowski u16 q_idx; 2042d02f734cSMaciej Fijalkowski 2043d02f734cSMaciej Fijalkowski if (vsi->num_txq > ICE_LAN_TXQ_MAX_QDIS) 2044d02f734cSMaciej Fijalkowski return -EINVAL; 2045d02f734cSMaciej Fijalkowski 2046e75d1b2cSMaciej Fijalkowski for (q_idx = 0; q_idx < vsi->num_txq; q_idx++) { 2047d02f734cSMaciej Fijalkowski struct ice_txq_meta txq_meta = { }; 2048e75d1b2cSMaciej Fijalkowski int status; 2049d02f734cSMaciej Fijalkowski 2050d02f734cSMaciej Fijalkowski if (!rings || !rings[q_idx]) 2051d02f734cSMaciej Fijalkowski return -EINVAL; 2052d02f734cSMaciej Fijalkowski 2053d02f734cSMaciej Fijalkowski ice_fill_txq_meta(vsi, rings[q_idx], &txq_meta); 2054e75d1b2cSMaciej Fijalkowski status = ice_vsi_stop_tx_ring(vsi, rst_src, rel_vmvf_num, 2055d02f734cSMaciej Fijalkowski rings[q_idx], &txq_meta); 2056d02f734cSMaciej Fijalkowski 2057d02f734cSMaciej Fijalkowski if (status) 2058d02f734cSMaciej Fijalkowski return status; 2059bb87ee0eSAnirudh Venkataramanan } 206072adf242SAnirudh Venkataramanan 2061d02f734cSMaciej Fijalkowski return 0; 206272adf242SAnirudh Venkataramanan } 20635153a18eSAnirudh Venkataramanan 20645153a18eSAnirudh Venkataramanan /** 206503f7a986SAnirudh Venkataramanan * ice_vsi_stop_lan_tx_rings - Disable LAN Tx rings 206603f7a986SAnirudh Venkataramanan * @vsi: the VSI being configured 206703f7a986SAnirudh Venkataramanan * @rst_src: reset source 2068f9867df6SAnirudh Venkataramanan * @rel_vmvf_num: Relative ID of VF/VM 206903f7a986SAnirudh Venkataramanan */ 2070c8b7abddSBruce Allan int 2071c8b7abddSBruce Allan ice_vsi_stop_lan_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, 2072c8b7abddSBruce Allan u16 rel_vmvf_num) 207303f7a986SAnirudh Venkataramanan { 2074d02f734cSMaciej Fijalkowski return ice_vsi_stop_tx_rings(vsi, rst_src, rel_vmvf_num, vsi->tx_rings); 207503f7a986SAnirudh Venkataramanan } 207603f7a986SAnirudh Venkataramanan 207703f7a986SAnirudh Venkataramanan /** 2078efc2214bSMaciej Fijalkowski * ice_vsi_stop_xdp_tx_rings - Disable XDP Tx rings 2079efc2214bSMaciej Fijalkowski * @vsi: the VSI being configured 2080efc2214bSMaciej Fijalkowski */ 2081efc2214bSMaciej Fijalkowski int ice_vsi_stop_xdp_tx_rings(struct ice_vsi *vsi) 2082efc2214bSMaciej Fijalkowski { 2083efc2214bSMaciej Fijalkowski return ice_vsi_stop_tx_rings(vsi, ICE_NO_RESET, 0, vsi->xdp_rings); 2084efc2214bSMaciej Fijalkowski } 2085efc2214bSMaciej Fijalkowski 2086efc2214bSMaciej Fijalkowski /** 208742f3efefSBrett Creeley * ice_vsi_is_vlan_pruning_ena - check if VLAN pruning is enabled or not 208842f3efefSBrett Creeley * @vsi: VSI to check whether or not VLAN pruning is enabled. 208942f3efefSBrett Creeley * 2090345be791SBrett Creeley * returns true if Rx VLAN pruning is enabled and false otherwise. 209142f3efefSBrett Creeley */ 209242f3efefSBrett Creeley bool ice_vsi_is_vlan_pruning_ena(struct ice_vsi *vsi) 209342f3efefSBrett Creeley { 209442f3efefSBrett Creeley if (!vsi) 209542f3efefSBrett Creeley return false; 209642f3efefSBrett Creeley 2097345be791SBrett Creeley return (vsi->info.sw_flags2 & ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA); 209842f3efefSBrett Creeley } 209942f3efefSBrett Creeley 210042f3efefSBrett Creeley /** 21015153a18eSAnirudh Venkataramanan * ice_cfg_vlan_pruning - enable or disable VLAN pruning on the VSI 21025153a18eSAnirudh Venkataramanan * @vsi: VSI to enable or disable VLAN pruning on 21035153a18eSAnirudh Venkataramanan * @ena: set to true to enable VLAN pruning and false to disable it 21045eda8afdSAkeem G Abodunrin * @vlan_promisc: enable valid security flags if not in VLAN promiscuous mode 21055153a18eSAnirudh Venkataramanan * 21065153a18eSAnirudh Venkataramanan * returns 0 if VSI is updated, negative otherwise 21075153a18eSAnirudh Venkataramanan */ 21085eda8afdSAkeem G Abodunrin int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena, bool vlan_promisc) 21095153a18eSAnirudh Venkataramanan { 21105153a18eSAnirudh Venkataramanan struct ice_vsi_ctx *ctxt; 2111819d8998SJesse Brandeburg struct ice_pf *pf; 21125153a18eSAnirudh Venkataramanan int status; 21135153a18eSAnirudh Venkataramanan 21145153a18eSAnirudh Venkataramanan if (!vsi) 21155153a18eSAnirudh Venkataramanan return -EINVAL; 21165153a18eSAnirudh Venkataramanan 211768d210a6SNick Nunley /* Don't enable VLAN pruning if the netdev is currently in promiscuous 211868d210a6SNick Nunley * mode. VLAN pruning will be enabled when the interface exits 211968d210a6SNick Nunley * promiscuous mode if any VLAN filters are active. 212068d210a6SNick Nunley */ 212168d210a6SNick Nunley if (vsi->netdev && vsi->netdev->flags & IFF_PROMISC && ena) 212268d210a6SNick Nunley return 0; 212368d210a6SNick Nunley 2124819d8998SJesse Brandeburg pf = vsi->back; 21259efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 21265153a18eSAnirudh Venkataramanan if (!ctxt) 21275153a18eSAnirudh Venkataramanan return -ENOMEM; 21285153a18eSAnirudh Venkataramanan 21295153a18eSAnirudh Venkataramanan ctxt->info = vsi->info; 21305153a18eSAnirudh Venkataramanan 2131cd6d6b83SBrett Creeley if (ena) 21325153a18eSAnirudh Venkataramanan ctxt->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 2133cd6d6b83SBrett Creeley else 21345153a18eSAnirudh Venkataramanan ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 21355153a18eSAnirudh Venkataramanan 21365eda8afdSAkeem G Abodunrin if (!vlan_promisc) 21375eda8afdSAkeem G Abodunrin ctxt->info.valid_sections = 2138cd6d6b83SBrett Creeley cpu_to_le16(ICE_AQ_VSI_PROP_SW_VALID); 21395726ca0eSAnirudh Venkataramanan 2140819d8998SJesse Brandeburg status = ice_update_vsi(&pf->hw, vsi->idx, ctxt, NULL); 21415153a18eSAnirudh Venkataramanan if (status) { 21420fee3577SLihong Yang netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI handle: %d, VSI HW ID: %d failed, err = %s, aq_err = %s\n", 21430fee3577SLihong Yang ena ? "En" : "Dis", vsi->idx, vsi->vsi_num, 21440fee3577SLihong Yang ice_stat_str(status), 21450fee3577SLihong Yang ice_aq_str(pf->hw.adminq.sq_last_status)); 21465153a18eSAnirudh Venkataramanan goto err_out; 21475153a18eSAnirudh Venkataramanan } 21485153a18eSAnirudh Venkataramanan 21495153a18eSAnirudh Venkataramanan vsi->info.sw_flags2 = ctxt->info.sw_flags2; 21505153a18eSAnirudh Venkataramanan 21519efe35d0STony Nguyen kfree(ctxt); 21525153a18eSAnirudh Venkataramanan return 0; 21535153a18eSAnirudh Venkataramanan 21545153a18eSAnirudh Venkataramanan err_out: 21559efe35d0STony Nguyen kfree(ctxt); 21565153a18eSAnirudh Venkataramanan return -EIO; 21575153a18eSAnirudh Venkataramanan } 21585153a18eSAnirudh Venkataramanan 21597b9ffc76SAnirudh Venkataramanan static void ice_vsi_set_tc_cfg(struct ice_vsi *vsi) 21607b9ffc76SAnirudh Venkataramanan { 2161fc2d1165SChinh T Cao struct ice_dcbx_cfg *cfg = &vsi->port_info->qos_cfg.local_dcbx_cfg; 21627b9ffc76SAnirudh Venkataramanan 21637b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.ena_tc = ice_dcb_get_ena_tc(cfg); 21647b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.numtc = ice_dcb_get_num_tc(cfg); 21657b9ffc76SAnirudh Venkataramanan } 21667b9ffc76SAnirudh Venkataramanan 21675153a18eSAnirudh Venkataramanan /** 2168b07833a0SBrett Creeley * ice_vsi_set_q_vectors_reg_idx - set the HW register index for all q_vectors 2169b07833a0SBrett Creeley * @vsi: VSI to set the q_vectors register index on 2170b07833a0SBrett Creeley */ 2171b07833a0SBrett Creeley static int 2172b07833a0SBrett Creeley ice_vsi_set_q_vectors_reg_idx(struct ice_vsi *vsi) 2173b07833a0SBrett Creeley { 2174b07833a0SBrett Creeley u16 i; 2175b07833a0SBrett Creeley 2176b07833a0SBrett Creeley if (!vsi || !vsi->q_vectors) 2177b07833a0SBrett Creeley return -EINVAL; 2178b07833a0SBrett Creeley 2179b07833a0SBrett Creeley ice_for_each_q_vector(vsi, i) { 2180b07833a0SBrett Creeley struct ice_q_vector *q_vector = vsi->q_vectors[i]; 2181b07833a0SBrett Creeley 2182b07833a0SBrett Creeley if (!q_vector) { 218319cce2c6SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "Failed to set reg_idx on q_vector %d VSI %d\n", 2184b07833a0SBrett Creeley i, vsi->vsi_num); 2185b07833a0SBrett Creeley goto clear_reg_idx; 2186b07833a0SBrett Creeley } 2187b07833a0SBrett Creeley 2188cbe66bfeSBrett Creeley if (vsi->type == ICE_VSI_VF) { 2189cbe66bfeSBrett Creeley struct ice_vf *vf = &vsi->back->vf[vsi->vf_id]; 2190cbe66bfeSBrett Creeley 2191cbe66bfeSBrett Creeley q_vector->reg_idx = ice_calc_vf_reg_idx(vf, q_vector); 2192cbe66bfeSBrett Creeley } else { 2193cbe66bfeSBrett Creeley q_vector->reg_idx = 2194cbe66bfeSBrett Creeley q_vector->v_idx + vsi->base_vector; 2195cbe66bfeSBrett Creeley } 2196b07833a0SBrett Creeley } 2197b07833a0SBrett Creeley 2198b07833a0SBrett Creeley return 0; 2199b07833a0SBrett Creeley 2200b07833a0SBrett Creeley clear_reg_idx: 2201b07833a0SBrett Creeley ice_for_each_q_vector(vsi, i) { 2202b07833a0SBrett Creeley struct ice_q_vector *q_vector = vsi->q_vectors[i]; 2203b07833a0SBrett Creeley 2204b07833a0SBrett Creeley if (q_vector) 2205b07833a0SBrett Creeley q_vector->reg_idx = 0; 2206b07833a0SBrett Creeley } 2207b07833a0SBrett Creeley 2208b07833a0SBrett Creeley return -EINVAL; 2209b07833a0SBrett Creeley } 2210b07833a0SBrett Creeley 2211b07833a0SBrett Creeley /** 22122e0e6228SDave Ertman * ice_cfg_sw_lldp - Config switch rules for LLDP packet handling 22132e0e6228SDave Ertman * @vsi: the VSI being configured 22142e0e6228SDave Ertman * @tx: bool to determine Tx or Rx rule 22152e0e6228SDave Ertman * @create: bool to determine create or remove Rule 22162e0e6228SDave Ertman */ 22172e0e6228SDave Ertman void ice_cfg_sw_lldp(struct ice_vsi *vsi, bool tx, bool create) 22182e0e6228SDave Ertman { 22191b8f15b6SMichal Swiatkowski enum ice_status (*eth_fltr)(struct ice_vsi *v, u16 type, u16 flag, 22201b8f15b6SMichal Swiatkowski enum ice_sw_fwd_act_type act); 22212e0e6228SDave Ertman struct ice_pf *pf = vsi->back; 22222e0e6228SDave Ertman enum ice_status status; 22234015d11eSBrett Creeley struct device *dev; 22242e0e6228SDave Ertman 22254015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 22261b8f15b6SMichal Swiatkowski eth_fltr = create ? ice_fltr_add_eth : ice_fltr_remove_eth; 22272e0e6228SDave Ertman 222834295a36SDave Ertman if (tx) { 22291b8f15b6SMichal Swiatkowski status = eth_fltr(vsi, ETH_P_LLDP, ICE_FLTR_TX, 22301b8f15b6SMichal Swiatkowski ICE_DROP_PACKET); 223134295a36SDave Ertman } else { 223234295a36SDave Ertman if (ice_fw_supports_lldp_fltr_ctrl(&pf->hw)) { 223334295a36SDave Ertman status = ice_lldp_fltr_add_remove(&pf->hw, vsi->vsi_num, 223434295a36SDave Ertman create); 223534295a36SDave Ertman } else { 223634295a36SDave Ertman status = eth_fltr(vsi, ETH_P_LLDP, ICE_FLTR_RX, 223734295a36SDave Ertman ICE_FWD_TO_VSI); 223834295a36SDave Ertman } 223934295a36SDave Ertman } 22402e0e6228SDave Ertman 22412e0e6228SDave Ertman if (status) 2242*a69606cdSAnirudh Venkataramanan dev_dbg(dev, "Fail %s %s LLDP rule on VSI %i error: %s\n", 22432e0e6228SDave Ertman create ? "adding" : "removing", tx ? "TX" : "RX", 22440fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 22452e0e6228SDave Ertman } 22462e0e6228SDave Ertman 2247d95276ceSAkeem G Abodunrin /** 2248b126bd6bSKiran Patil * ice_set_agg_vsi - sets up scheduler aggregator node and move VSI into it 2249b126bd6bSKiran Patil * @vsi: pointer to the VSI 2250b126bd6bSKiran Patil * 2251b126bd6bSKiran Patil * This function will allocate new scheduler aggregator now if needed and will 2252b126bd6bSKiran Patil * move specified VSI into it. 2253b126bd6bSKiran Patil */ 2254b126bd6bSKiran Patil static void ice_set_agg_vsi(struct ice_vsi *vsi) 2255b126bd6bSKiran Patil { 2256b126bd6bSKiran Patil struct device *dev = ice_pf_to_dev(vsi->back); 2257b126bd6bSKiran Patil struct ice_agg_node *agg_node_iter = NULL; 2258b126bd6bSKiran Patil u32 agg_id = ICE_INVALID_AGG_NODE_ID; 2259b126bd6bSKiran Patil struct ice_agg_node *agg_node = NULL; 2260b126bd6bSKiran Patil int node_offset, max_agg_nodes = 0; 2261b126bd6bSKiran Patil struct ice_port_info *port_info; 2262b126bd6bSKiran Patil struct ice_pf *pf = vsi->back; 2263b126bd6bSKiran Patil u32 agg_node_id_start = 0; 2264b126bd6bSKiran Patil enum ice_status status; 2265b126bd6bSKiran Patil 2266b126bd6bSKiran Patil /* create (as needed) scheduler aggregator node and move VSI into 2267b126bd6bSKiran Patil * corresponding aggregator node 2268b126bd6bSKiran Patil * - PF aggregator node to contains VSIs of type _PF and _CTRL 2269b126bd6bSKiran Patil * - VF aggregator nodes will contain VF VSI 2270b126bd6bSKiran Patil */ 2271b126bd6bSKiran Patil port_info = pf->hw.port_info; 2272b126bd6bSKiran Patil if (!port_info) 2273b126bd6bSKiran Patil return; 2274b126bd6bSKiran Patil 2275b126bd6bSKiran Patil switch (vsi->type) { 2276b126bd6bSKiran Patil case ICE_VSI_CTRL: 2277b126bd6bSKiran Patil case ICE_VSI_LB: 2278b126bd6bSKiran Patil case ICE_VSI_PF: 2279b126bd6bSKiran Patil max_agg_nodes = ICE_MAX_PF_AGG_NODES; 2280b126bd6bSKiran Patil agg_node_id_start = ICE_PF_AGG_NODE_ID_START; 2281b126bd6bSKiran Patil agg_node_iter = &pf->pf_agg_node[0]; 2282b126bd6bSKiran Patil break; 2283b126bd6bSKiran Patil case ICE_VSI_VF: 2284b126bd6bSKiran Patil /* user can create 'n' VFs on a given PF, but since max children 2285b126bd6bSKiran Patil * per aggregator node can be only 64. Following code handles 2286b126bd6bSKiran Patil * aggregator(s) for VF VSIs, either selects a agg_node which 2287b126bd6bSKiran Patil * was already created provided num_vsis < 64, otherwise 2288b126bd6bSKiran Patil * select next available node, which will be created 2289b126bd6bSKiran Patil */ 2290b126bd6bSKiran Patil max_agg_nodes = ICE_MAX_VF_AGG_NODES; 2291b126bd6bSKiran Patil agg_node_id_start = ICE_VF_AGG_NODE_ID_START; 2292b126bd6bSKiran Patil agg_node_iter = &pf->vf_agg_node[0]; 2293b126bd6bSKiran Patil break; 2294b126bd6bSKiran Patil default: 2295b126bd6bSKiran Patil /* other VSI type, handle later if needed */ 2296b126bd6bSKiran Patil dev_dbg(dev, "unexpected VSI type %s\n", 2297b126bd6bSKiran Patil ice_vsi_type_str(vsi->type)); 2298b126bd6bSKiran Patil return; 2299b126bd6bSKiran Patil } 2300b126bd6bSKiran Patil 2301b126bd6bSKiran Patil /* find the appropriate aggregator node */ 2302b126bd6bSKiran Patil for (node_offset = 0; node_offset < max_agg_nodes; node_offset++) { 2303b126bd6bSKiran Patil /* see if we can find space in previously created 2304b126bd6bSKiran Patil * node if num_vsis < 64, otherwise skip 2305b126bd6bSKiran Patil */ 2306b126bd6bSKiran Patil if (agg_node_iter->num_vsis && 2307b126bd6bSKiran Patil agg_node_iter->num_vsis == ICE_MAX_VSIS_IN_AGG_NODE) { 2308b126bd6bSKiran Patil agg_node_iter++; 2309b126bd6bSKiran Patil continue; 2310b126bd6bSKiran Patil } 2311b126bd6bSKiran Patil 2312b126bd6bSKiran Patil if (agg_node_iter->valid && 2313b126bd6bSKiran Patil agg_node_iter->agg_id != ICE_INVALID_AGG_NODE_ID) { 2314b126bd6bSKiran Patil agg_id = agg_node_iter->agg_id; 2315b126bd6bSKiran Patil agg_node = agg_node_iter; 2316b126bd6bSKiran Patil break; 2317b126bd6bSKiran Patil } 2318b126bd6bSKiran Patil 2319b126bd6bSKiran Patil /* find unclaimed agg_id */ 2320b126bd6bSKiran Patil if (agg_node_iter->agg_id == ICE_INVALID_AGG_NODE_ID) { 2321b126bd6bSKiran Patil agg_id = node_offset + agg_node_id_start; 2322b126bd6bSKiran Patil agg_node = agg_node_iter; 2323b126bd6bSKiran Patil break; 2324b126bd6bSKiran Patil } 2325b126bd6bSKiran Patil /* move to next agg_node */ 2326b126bd6bSKiran Patil agg_node_iter++; 2327b126bd6bSKiran Patil } 2328b126bd6bSKiran Patil 2329b126bd6bSKiran Patil if (!agg_node) 2330b126bd6bSKiran Patil return; 2331b126bd6bSKiran Patil 2332b126bd6bSKiran Patil /* if selected aggregator node was not created, create it */ 2333b126bd6bSKiran Patil if (!agg_node->valid) { 2334b126bd6bSKiran Patil status = ice_cfg_agg(port_info, agg_id, ICE_AGG_TYPE_AGG, 2335b126bd6bSKiran Patil (u8)vsi->tc_cfg.ena_tc); 2336b126bd6bSKiran Patil if (status) { 2337b126bd6bSKiran Patil dev_err(dev, "unable to create aggregator node with agg_id %u\n", 2338b126bd6bSKiran Patil agg_id); 2339b126bd6bSKiran Patil return; 2340b126bd6bSKiran Patil } 2341b126bd6bSKiran Patil /* aggregator node is created, store the neeeded info */ 2342b126bd6bSKiran Patil agg_node->valid = true; 2343b126bd6bSKiran Patil agg_node->agg_id = agg_id; 2344b126bd6bSKiran Patil } 2345b126bd6bSKiran Patil 2346b126bd6bSKiran Patil /* move VSI to corresponding aggregator node */ 2347b126bd6bSKiran Patil status = ice_move_vsi_to_agg(port_info, agg_id, vsi->idx, 2348b126bd6bSKiran Patil (u8)vsi->tc_cfg.ena_tc); 2349b126bd6bSKiran Patil if (status) { 2350b126bd6bSKiran Patil dev_err(dev, "unable to move VSI idx %u into aggregator %u node", 2351b126bd6bSKiran Patil vsi->idx, agg_id); 2352b126bd6bSKiran Patil return; 2353b126bd6bSKiran Patil } 2354b126bd6bSKiran Patil 2355b126bd6bSKiran Patil /* keep active children count for aggregator node */ 2356b126bd6bSKiran Patil agg_node->num_vsis++; 2357b126bd6bSKiran Patil 2358b126bd6bSKiran Patil /* cache the 'agg_id' in VSI, so that after reset - VSI will be moved 2359b126bd6bSKiran Patil * to aggregator node 2360b126bd6bSKiran Patil */ 2361b126bd6bSKiran Patil vsi->agg_node = agg_node; 2362b126bd6bSKiran Patil dev_dbg(dev, "successfully moved VSI idx %u tc_bitmap 0x%x) into aggregator node %d which has num_vsis %u\n", 2363b126bd6bSKiran Patil vsi->idx, vsi->tc_cfg.ena_tc, vsi->agg_node->agg_id, 2364b126bd6bSKiran Patil vsi->agg_node->num_vsis); 2365b126bd6bSKiran Patil } 2366b126bd6bSKiran Patil 2367b126bd6bSKiran Patil /** 236837bb8390SAnirudh Venkataramanan * ice_vsi_setup - Set up a VSI by a given type 236937bb8390SAnirudh Venkataramanan * @pf: board private structure 237037bb8390SAnirudh Venkataramanan * @pi: pointer to the port_info instance 23716dae8aa0SBruce Allan * @vsi_type: VSI type 2372f9867df6SAnirudh Venkataramanan * @vf_id: defines VF ID to which this VSI connects. This field is meant to be 237337bb8390SAnirudh Venkataramanan * used only for ICE_VSI_VF VSI type. For other VSI types, should 237437bb8390SAnirudh Venkataramanan * fill-in ICE_INVAL_VFID as input. 237537bb8390SAnirudh Venkataramanan * 237637bb8390SAnirudh Venkataramanan * This allocates the sw VSI structure and its queue resources. 237737bb8390SAnirudh Venkataramanan * 237837bb8390SAnirudh Venkataramanan * Returns pointer to the successfully allocated and configured VSI sw struct on 237937bb8390SAnirudh Venkataramanan * success, NULL on failure. 238037bb8390SAnirudh Venkataramanan */ 238137bb8390SAnirudh Venkataramanan struct ice_vsi * 238237bb8390SAnirudh Venkataramanan ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, 23836dae8aa0SBruce Allan enum ice_vsi_type vsi_type, u16 vf_id) 238437bb8390SAnirudh Venkataramanan { 238537bb8390SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 23864015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 2387d31530e8SAkeem G Abodunrin enum ice_status status; 238837bb8390SAnirudh Venkataramanan struct ice_vsi *vsi; 238937bb8390SAnirudh Venkataramanan int ret, i; 239037bb8390SAnirudh Venkataramanan 2391da62c5ffSQi Zhang if (vsi_type == ICE_VSI_VF || vsi_type == ICE_VSI_CTRL) 23926dae8aa0SBruce Allan vsi = ice_vsi_alloc(pf, vsi_type, vf_id); 23935743020dSAkeem G Abodunrin else 23946dae8aa0SBruce Allan vsi = ice_vsi_alloc(pf, vsi_type, ICE_INVAL_VFID); 23955743020dSAkeem G Abodunrin 239637bb8390SAnirudh Venkataramanan if (!vsi) { 239737bb8390SAnirudh Venkataramanan dev_err(dev, "could not allocate VSI\n"); 239837bb8390SAnirudh Venkataramanan return NULL; 239937bb8390SAnirudh Venkataramanan } 240037bb8390SAnirudh Venkataramanan 240137bb8390SAnirudh Venkataramanan vsi->port_info = pi; 240237bb8390SAnirudh Venkataramanan vsi->vsw = pf->first_sw; 2403d95276ceSAkeem G Abodunrin if (vsi->type == ICE_VSI_PF) 2404d95276ceSAkeem G Abodunrin vsi->ethtype = ETH_P_PAUSE; 2405d95276ceSAkeem G Abodunrin 2406da62c5ffSQi Zhang if (vsi->type == ICE_VSI_VF || vsi->type == ICE_VSI_CTRL) 24078ede0178SAnirudh Venkataramanan vsi->vf_id = vf_id; 240837bb8390SAnirudh Venkataramanan 2409148beb61SHenry Tieman ice_alloc_fd_res(vsi); 2410148beb61SHenry Tieman 241137bb8390SAnirudh Venkataramanan if (ice_vsi_get_qs(vsi)) { 241237bb8390SAnirudh Venkataramanan dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n", 241337bb8390SAnirudh Venkataramanan vsi->idx); 2414148beb61SHenry Tieman goto unroll_vsi_alloc; 241537bb8390SAnirudh Venkataramanan } 241637bb8390SAnirudh Venkataramanan 241737bb8390SAnirudh Venkataramanan /* set RSS capabilities */ 241837bb8390SAnirudh Venkataramanan ice_vsi_set_rss_params(vsi); 241937bb8390SAnirudh Venkataramanan 2420f9867df6SAnirudh Venkataramanan /* set TC configuration */ 2421c5a2a4a3SUsha Ketineni ice_vsi_set_tc_cfg(vsi); 2422c5a2a4a3SUsha Ketineni 242337bb8390SAnirudh Venkataramanan /* create the VSI */ 242487324e74SHenry Tieman ret = ice_vsi_init(vsi, true); 242537bb8390SAnirudh Venkataramanan if (ret) 242637bb8390SAnirudh Venkataramanan goto unroll_get_qs; 242737bb8390SAnirudh Venkataramanan 242837bb8390SAnirudh Venkataramanan switch (vsi->type) { 2429148beb61SHenry Tieman case ICE_VSI_CTRL: 243037bb8390SAnirudh Venkataramanan case ICE_VSI_PF: 243137bb8390SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 243237bb8390SAnirudh Venkataramanan if (ret) 243337bb8390SAnirudh Venkataramanan goto unroll_vsi_init; 243437bb8390SAnirudh Venkataramanan 243537bb8390SAnirudh Venkataramanan ret = ice_vsi_setup_vector_base(vsi); 243637bb8390SAnirudh Venkataramanan if (ret) 243737bb8390SAnirudh Venkataramanan goto unroll_alloc_q_vector; 243837bb8390SAnirudh Venkataramanan 2439b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2440b07833a0SBrett Creeley if (ret) 2441b07833a0SBrett Creeley goto unroll_vector_base; 2442b07833a0SBrett Creeley 244337bb8390SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 244437bb8390SAnirudh Venkataramanan if (ret) 244537bb8390SAnirudh Venkataramanan goto unroll_vector_base; 244637bb8390SAnirudh Venkataramanan 244742f3efefSBrett Creeley /* Always add VLAN ID 0 switch rule by default. This is needed 244842f3efefSBrett Creeley * in order to allow all untagged and 0 tagged priority traffic 244942f3efefSBrett Creeley * if Rx VLAN pruning is enabled. Also there are cases where we 245042f3efefSBrett Creeley * don't get the call to add VLAN 0 via ice_vlan_rx_add_vid() 245142f3efefSBrett Creeley * so this handles those cases (i.e. adding the PF to a bridge 245242f3efefSBrett Creeley * without the 8021q module loaded). 245342f3efefSBrett Creeley */ 24541b8f15b6SMichal Swiatkowski ret = ice_vsi_add_vlan(vsi, 0, ICE_FWD_TO_VSI); 245542f3efefSBrett Creeley if (ret) 245642f3efefSBrett Creeley goto unroll_clear_rings; 245742f3efefSBrett Creeley 245837bb8390SAnirudh Venkataramanan ice_vsi_map_rings_to_vectors(vsi); 245937bb8390SAnirudh Venkataramanan 2460148beb61SHenry Tieman /* ICE_VSI_CTRL does not need RSS so skip RSS processing */ 2461148beb61SHenry Tieman if (vsi->type != ICE_VSI_CTRL) 2462148beb61SHenry Tieman /* Do not exit if configuring RSS had an issue, at 2463148beb61SHenry Tieman * least receive traffic on first queue. Hence no 2464148beb61SHenry Tieman * need to capture return value 246537bb8390SAnirudh Venkataramanan */ 2466c90ed40cSTony Nguyen if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 246737bb8390SAnirudh Venkataramanan ice_vsi_cfg_rss_lut_key(vsi); 2468c90ed40cSTony Nguyen ice_vsi_set_rss_flow_fld(vsi); 2469c90ed40cSTony Nguyen } 247028bf2672SBrett Creeley ice_init_arfs(vsi); 247137bb8390SAnirudh Venkataramanan break; 24728ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 24738ede0178SAnirudh Venkataramanan /* VF driver will take care of creating netdev for this type and 24748ede0178SAnirudh Venkataramanan * map queues to vectors through Virtchnl, PF driver only 24758ede0178SAnirudh Venkataramanan * creates a VSI and corresponding structures for bookkeeping 24768ede0178SAnirudh Venkataramanan * purpose 24778ede0178SAnirudh Venkataramanan */ 24788ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 24798ede0178SAnirudh Venkataramanan if (ret) 24808ede0178SAnirudh Venkataramanan goto unroll_vsi_init; 24818ede0178SAnirudh Venkataramanan 24828ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 24838ede0178SAnirudh Venkataramanan if (ret) 24848ede0178SAnirudh Venkataramanan goto unroll_alloc_q_vector; 24858ede0178SAnirudh Venkataramanan 2486b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2487b07833a0SBrett Creeley if (ret) 2488b07833a0SBrett Creeley goto unroll_vector_base; 2489b07833a0SBrett Creeley 24903a9e32bbSMd Fahad Iqbal Polash /* Do not exit if configuring RSS had an issue, at least 24913a9e32bbSMd Fahad Iqbal Polash * receive traffic on first queue. Hence no need to capture 24923a9e32bbSMd Fahad Iqbal Polash * return value 24933a9e32bbSMd Fahad Iqbal Polash */ 24941c01c8c6SMd Fahad Iqbal Polash if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 24953a9e32bbSMd Fahad Iqbal Polash ice_vsi_cfg_rss_lut_key(vsi); 24961c01c8c6SMd Fahad Iqbal Polash ice_vsi_set_vf_rss_flow_fld(vsi); 24971c01c8c6SMd Fahad Iqbal Polash } 24988ede0178SAnirudh Venkataramanan break; 24990e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 25000e674aebSAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 25010e674aebSAnirudh Venkataramanan if (ret) 25020e674aebSAnirudh Venkataramanan goto unroll_vsi_init; 25030e674aebSAnirudh Venkataramanan break; 250437bb8390SAnirudh Venkataramanan default: 2505df17b7e0SAnirudh Venkataramanan /* clean up the resources and exit */ 250637bb8390SAnirudh Venkataramanan goto unroll_vsi_init; 250737bb8390SAnirudh Venkataramanan } 250837bb8390SAnirudh Venkataramanan 250937bb8390SAnirudh Venkataramanan /* configure VSI nodes based on number of queues and TC's */ 251037bb8390SAnirudh Venkataramanan for (i = 0; i < vsi->tc_cfg.numtc; i++) 2511d5a46359SAkeem G Abodunrin max_txqs[i] = vsi->alloc_txq; 251237bb8390SAnirudh Venkataramanan 2513d31530e8SAkeem G Abodunrin status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 25144fb33f31SAnirudh Venkataramanan max_txqs); 2515d31530e8SAkeem G Abodunrin if (status) { 25160fee3577SLihong Yang dev_err(dev, "VSI %d failed lan queue config, error %s\n", 25170fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 2518f6a07271SJacob Keller goto unroll_clear_rings; 251937bb8390SAnirudh Venkataramanan } 252037bb8390SAnirudh Venkataramanan 2521d95276ceSAkeem G Abodunrin /* Add switch rule to drop all Tx Flow Control Frames, of look up 2522d95276ceSAkeem G Abodunrin * type ETHERTYPE from VSIs, and restrict malicious VF from sending 2523d95276ceSAkeem G Abodunrin * out PAUSE or PFC frames. If enabled, FW can still send FC frames. 2524d95276ceSAkeem G Abodunrin * The rule is added once for PF VSI in order to create appropriate 2525d95276ceSAkeem G Abodunrin * recipe, since VSI/VSI list is ignored with drop action... 2526241c8cf0SPaul Greenwalt * Also add rules to handle LLDP Tx packets. Tx LLDP packets need to 2527241c8cf0SPaul Greenwalt * be dropped so that VFs cannot send LLDP packets to reconfig DCB 2528241c8cf0SPaul Greenwalt * settings in the HW. 2529d95276ceSAkeem G Abodunrin */ 2530241c8cf0SPaul Greenwalt if (!ice_is_safe_mode(pf)) 25312e0e6228SDave Ertman if (vsi->type == ICE_VSI_PF) { 25321b8f15b6SMichal Swiatkowski ice_fltr_add_eth(vsi, ETH_P_PAUSE, ICE_FLTR_TX, 25331b8f15b6SMichal Swiatkowski ICE_DROP_PACKET); 25342e0e6228SDave Ertman ice_cfg_sw_lldp(vsi, true, true); 2535462acf6aSTony Nguyen } 25362e0e6228SDave Ertman 2537b126bd6bSKiran Patil if (!vsi->agg_node) 2538b126bd6bSKiran Patil ice_set_agg_vsi(vsi); 253937bb8390SAnirudh Venkataramanan return vsi; 254037bb8390SAnirudh Venkataramanan 254142f3efefSBrett Creeley unroll_clear_rings: 254242f3efefSBrett Creeley ice_vsi_clear_rings(vsi); 254337bb8390SAnirudh Venkataramanan unroll_vector_base: 2544eb0208ecSPreethi Banala /* reclaim SW interrupts back to the common pool */ 2545cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 2546eb0208ecSPreethi Banala pf->num_avail_sw_msix += vsi->num_q_vectors; 254737bb8390SAnirudh Venkataramanan unroll_alloc_q_vector: 254837bb8390SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 254937bb8390SAnirudh Venkataramanan unroll_vsi_init: 255037bb8390SAnirudh Venkataramanan ice_vsi_delete(vsi); 255137bb8390SAnirudh Venkataramanan unroll_get_qs: 255237bb8390SAnirudh Venkataramanan ice_vsi_put_qs(vsi); 2553148beb61SHenry Tieman unroll_vsi_alloc: 2554df006dd4SDave Ertman if (vsi_type == ICE_VSI_VF) 2555df006dd4SDave Ertman ice_enable_lag(pf->lag); 255637bb8390SAnirudh Venkataramanan ice_vsi_clear(vsi); 255737bb8390SAnirudh Venkataramanan 255837bb8390SAnirudh Venkataramanan return NULL; 255937bb8390SAnirudh Venkataramanan } 256037bb8390SAnirudh Venkataramanan 256137bb8390SAnirudh Venkataramanan /** 25625153a18eSAnirudh Venkataramanan * ice_vsi_release_msix - Clear the queue to Interrupt mapping in HW 25635153a18eSAnirudh Venkataramanan * @vsi: the VSI being cleaned up 25645153a18eSAnirudh Venkataramanan */ 25655153a18eSAnirudh Venkataramanan static void ice_vsi_release_msix(struct ice_vsi *vsi) 25665153a18eSAnirudh Venkataramanan { 25675153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 25685153a18eSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 25695153a18eSAnirudh Venkataramanan u32 txq = 0; 25705153a18eSAnirudh Venkataramanan u32 rxq = 0; 25715153a18eSAnirudh Venkataramanan int i, q; 25725153a18eSAnirudh Venkataramanan 2573cbe66bfeSBrett Creeley for (i = 0; i < vsi->num_q_vectors; i++) { 25745153a18eSAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[i]; 25755153a18eSAnirudh Venkataramanan 2576b8b47723SJesse Brandeburg ice_write_intrl(q_vector, 0); 25775153a18eSAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_tx; q++) { 2578b8b47723SJesse Brandeburg ice_write_itr(&q_vector->tx, 0); 25795153a18eSAnirudh Venkataramanan wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0); 2580efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) { 2581efc2214bSMaciej Fijalkowski u32 xdp_txq = txq + vsi->num_xdp_txq; 2582efc2214bSMaciej Fijalkowski 2583efc2214bSMaciej Fijalkowski wr32(hw, QINT_TQCTL(vsi->txq_map[xdp_txq]), 0); 2584efc2214bSMaciej Fijalkowski } 25855153a18eSAnirudh Venkataramanan txq++; 25865153a18eSAnirudh Venkataramanan } 25875153a18eSAnirudh Venkataramanan 25885153a18eSAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_rx; q++) { 2589b8b47723SJesse Brandeburg ice_write_itr(&q_vector->rx, 0); 25905153a18eSAnirudh Venkataramanan wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), 0); 25915153a18eSAnirudh Venkataramanan rxq++; 25925153a18eSAnirudh Venkataramanan } 25935153a18eSAnirudh Venkataramanan } 25945153a18eSAnirudh Venkataramanan 25955153a18eSAnirudh Venkataramanan ice_flush(hw); 25965153a18eSAnirudh Venkataramanan } 25975153a18eSAnirudh Venkataramanan 25985153a18eSAnirudh Venkataramanan /** 25995153a18eSAnirudh Venkataramanan * ice_vsi_free_irq - Free the IRQ association with the OS 26005153a18eSAnirudh Venkataramanan * @vsi: the VSI being configured 26015153a18eSAnirudh Venkataramanan */ 26025153a18eSAnirudh Venkataramanan void ice_vsi_free_irq(struct ice_vsi *vsi) 26035153a18eSAnirudh Venkataramanan { 26045153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 2605cbe66bfeSBrett Creeley int base = vsi->base_vector; 26065153a18eSAnirudh Venkataramanan int i; 26075153a18eSAnirudh Venkataramanan 26085153a18eSAnirudh Venkataramanan if (!vsi->q_vectors || !vsi->irqs_ready) 26095153a18eSAnirudh Venkataramanan return; 26105153a18eSAnirudh Venkataramanan 2611eb0208ecSPreethi Banala ice_vsi_release_msix(vsi); 26128ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 26138ede0178SAnirudh Venkataramanan return; 2614eb0208ecSPreethi Banala 26155153a18eSAnirudh Venkataramanan vsi->irqs_ready = false; 26160c2561c8SBrett Creeley ice_for_each_q_vector(vsi, i) { 26175153a18eSAnirudh Venkataramanan u16 vector = i + base; 26185153a18eSAnirudh Venkataramanan int irq_num; 26195153a18eSAnirudh Venkataramanan 26205153a18eSAnirudh Venkataramanan irq_num = pf->msix_entries[vector].vector; 26215153a18eSAnirudh Venkataramanan 26225153a18eSAnirudh Venkataramanan /* free only the irqs that were actually requested */ 26235153a18eSAnirudh Venkataramanan if (!vsi->q_vectors[i] || 26245153a18eSAnirudh Venkataramanan !(vsi->q_vectors[i]->num_ring_tx || 26255153a18eSAnirudh Venkataramanan vsi->q_vectors[i]->num_ring_rx)) 26265153a18eSAnirudh Venkataramanan continue; 26275153a18eSAnirudh Venkataramanan 26285153a18eSAnirudh Venkataramanan /* clear the affinity notifier in the IRQ descriptor */ 26295153a18eSAnirudh Venkataramanan irq_set_affinity_notifier(irq_num, NULL); 26305153a18eSAnirudh Venkataramanan 26315153a18eSAnirudh Venkataramanan /* clear the affinity_mask in the IRQ descriptor */ 26325153a18eSAnirudh Venkataramanan irq_set_affinity_hint(irq_num, NULL); 26335153a18eSAnirudh Venkataramanan synchronize_irq(irq_num); 26344015d11eSBrett Creeley devm_free_irq(ice_pf_to_dev(pf), irq_num, vsi->q_vectors[i]); 26355153a18eSAnirudh Venkataramanan } 26365153a18eSAnirudh Venkataramanan } 26375153a18eSAnirudh Venkataramanan 26385153a18eSAnirudh Venkataramanan /** 26395153a18eSAnirudh Venkataramanan * ice_vsi_free_tx_rings - Free Tx resources for VSI queues 26405153a18eSAnirudh Venkataramanan * @vsi: the VSI having resources freed 26415153a18eSAnirudh Venkataramanan */ 26425153a18eSAnirudh Venkataramanan void ice_vsi_free_tx_rings(struct ice_vsi *vsi) 26435153a18eSAnirudh Venkataramanan { 26445153a18eSAnirudh Venkataramanan int i; 26455153a18eSAnirudh Venkataramanan 26465153a18eSAnirudh Venkataramanan if (!vsi->tx_rings) 26475153a18eSAnirudh Venkataramanan return; 26485153a18eSAnirudh Venkataramanan 26495153a18eSAnirudh Venkataramanan ice_for_each_txq(vsi, i) 26505153a18eSAnirudh Venkataramanan if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc) 26515153a18eSAnirudh Venkataramanan ice_free_tx_ring(vsi->tx_rings[i]); 26525153a18eSAnirudh Venkataramanan } 26535153a18eSAnirudh Venkataramanan 26545153a18eSAnirudh Venkataramanan /** 26555153a18eSAnirudh Venkataramanan * ice_vsi_free_rx_rings - Free Rx resources for VSI queues 26565153a18eSAnirudh Venkataramanan * @vsi: the VSI having resources freed 26575153a18eSAnirudh Venkataramanan */ 26585153a18eSAnirudh Venkataramanan void ice_vsi_free_rx_rings(struct ice_vsi *vsi) 26595153a18eSAnirudh Venkataramanan { 26605153a18eSAnirudh Venkataramanan int i; 26615153a18eSAnirudh Venkataramanan 26625153a18eSAnirudh Venkataramanan if (!vsi->rx_rings) 26635153a18eSAnirudh Venkataramanan return; 26645153a18eSAnirudh Venkataramanan 26655153a18eSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) 26665153a18eSAnirudh Venkataramanan if (vsi->rx_rings[i] && vsi->rx_rings[i]->desc) 26675153a18eSAnirudh Venkataramanan ice_free_rx_ring(vsi->rx_rings[i]); 26685153a18eSAnirudh Venkataramanan } 26695153a18eSAnirudh Venkataramanan 26705153a18eSAnirudh Venkataramanan /** 267107309a0eSAnirudh Venkataramanan * ice_vsi_close - Shut down a VSI 267207309a0eSAnirudh Venkataramanan * @vsi: the VSI being shut down 267307309a0eSAnirudh Venkataramanan */ 267407309a0eSAnirudh Venkataramanan void ice_vsi_close(struct ice_vsi *vsi) 267507309a0eSAnirudh Venkataramanan { 2676e97fb1aeSAnirudh Venkataramanan if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) 267707309a0eSAnirudh Venkataramanan ice_down(vsi); 267807309a0eSAnirudh Venkataramanan 267907309a0eSAnirudh Venkataramanan ice_vsi_free_irq(vsi); 268007309a0eSAnirudh Venkataramanan ice_vsi_free_tx_rings(vsi); 268107309a0eSAnirudh Venkataramanan ice_vsi_free_rx_rings(vsi); 268207309a0eSAnirudh Venkataramanan } 268307309a0eSAnirudh Venkataramanan 268407309a0eSAnirudh Venkataramanan /** 26859d614b64SAnirudh Venkataramanan * ice_ena_vsi - resume a VSI 26869d614b64SAnirudh Venkataramanan * @vsi: the VSI being resume 26879d614b64SAnirudh Venkataramanan * @locked: is the rtnl_lock already held 26889d614b64SAnirudh Venkataramanan */ 26899d614b64SAnirudh Venkataramanan int ice_ena_vsi(struct ice_vsi *vsi, bool locked) 26909d614b64SAnirudh Venkataramanan { 26919d614b64SAnirudh Venkataramanan int err = 0; 26929d614b64SAnirudh Venkataramanan 2693e97fb1aeSAnirudh Venkataramanan if (!test_bit(ICE_VSI_NEEDS_RESTART, vsi->state)) 26949d614b64SAnirudh Venkataramanan return 0; 26959d614b64SAnirudh Venkataramanan 2696e97fb1aeSAnirudh Venkataramanan clear_bit(ICE_VSI_NEEDS_RESTART, vsi->state); 26979d614b64SAnirudh Venkataramanan 26989d614b64SAnirudh Venkataramanan if (vsi->netdev && vsi->type == ICE_VSI_PF) { 26999d614b64SAnirudh Venkataramanan if (netif_running(vsi->netdev)) { 27009d614b64SAnirudh Venkataramanan if (!locked) 27019d614b64SAnirudh Venkataramanan rtnl_lock(); 27029d614b64SAnirudh Venkataramanan 2703e95fc857SKrzysztof Goreczny err = ice_open_internal(vsi->netdev); 27049d614b64SAnirudh Venkataramanan 27059d614b64SAnirudh Venkataramanan if (!locked) 27069d614b64SAnirudh Venkataramanan rtnl_unlock(); 27079d614b64SAnirudh Venkataramanan } 2708148beb61SHenry Tieman } else if (vsi->type == ICE_VSI_CTRL) { 2709148beb61SHenry Tieman err = ice_vsi_open_ctrl(vsi); 27109d614b64SAnirudh Venkataramanan } 27119d614b64SAnirudh Venkataramanan 27129d614b64SAnirudh Venkataramanan return err; 27139d614b64SAnirudh Venkataramanan } 27149d614b64SAnirudh Venkataramanan 27159d614b64SAnirudh Venkataramanan /** 27169d614b64SAnirudh Venkataramanan * ice_dis_vsi - pause a VSI 27179d614b64SAnirudh Venkataramanan * @vsi: the VSI being paused 27189d614b64SAnirudh Venkataramanan * @locked: is the rtnl_lock already held 27199d614b64SAnirudh Venkataramanan */ 27209d614b64SAnirudh Venkataramanan void ice_dis_vsi(struct ice_vsi *vsi, bool locked) 27219d614b64SAnirudh Venkataramanan { 2722e97fb1aeSAnirudh Venkataramanan if (test_bit(ICE_VSI_DOWN, vsi->state)) 27239d614b64SAnirudh Venkataramanan return; 27249d614b64SAnirudh Venkataramanan 2725e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_NEEDS_RESTART, vsi->state); 27269d614b64SAnirudh Venkataramanan 27279d614b64SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF && vsi->netdev) { 27289d614b64SAnirudh Venkataramanan if (netif_running(vsi->netdev)) { 27299d614b64SAnirudh Venkataramanan if (!locked) 27309d614b64SAnirudh Venkataramanan rtnl_lock(); 27319d614b64SAnirudh Venkataramanan 2732e95fc857SKrzysztof Goreczny ice_vsi_close(vsi); 27339d614b64SAnirudh Venkataramanan 27349d614b64SAnirudh Venkataramanan if (!locked) 27359d614b64SAnirudh Venkataramanan rtnl_unlock(); 27369d614b64SAnirudh Venkataramanan } else { 27379d614b64SAnirudh Venkataramanan ice_vsi_close(vsi); 27389d614b64SAnirudh Venkataramanan } 2739148beb61SHenry Tieman } else if (vsi->type == ICE_VSI_CTRL) { 2740148beb61SHenry Tieman ice_vsi_close(vsi); 27419d614b64SAnirudh Venkataramanan } 27429d614b64SAnirudh Venkataramanan } 27439d614b64SAnirudh Venkataramanan 27449d614b64SAnirudh Venkataramanan /** 27455153a18eSAnirudh Venkataramanan * ice_vsi_dis_irq - Mask off queue interrupt generation on the VSI 27465153a18eSAnirudh Venkataramanan * @vsi: the VSI being un-configured 27475153a18eSAnirudh Venkataramanan */ 27485153a18eSAnirudh Venkataramanan void ice_vsi_dis_irq(struct ice_vsi *vsi) 27495153a18eSAnirudh Venkataramanan { 2750cbe66bfeSBrett Creeley int base = vsi->base_vector; 27515153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 27525153a18eSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 27535153a18eSAnirudh Venkataramanan u32 val; 27545153a18eSAnirudh Venkataramanan int i; 27555153a18eSAnirudh Venkataramanan 27565153a18eSAnirudh Venkataramanan /* disable interrupt causation from each queue */ 27575153a18eSAnirudh Venkataramanan if (vsi->tx_rings) { 27585153a18eSAnirudh Venkataramanan ice_for_each_txq(vsi, i) { 27595153a18eSAnirudh Venkataramanan if (vsi->tx_rings[i]) { 27605153a18eSAnirudh Venkataramanan u16 reg; 27615153a18eSAnirudh Venkataramanan 27625153a18eSAnirudh Venkataramanan reg = vsi->tx_rings[i]->reg_idx; 27635153a18eSAnirudh Venkataramanan val = rd32(hw, QINT_TQCTL(reg)); 27645153a18eSAnirudh Venkataramanan val &= ~QINT_TQCTL_CAUSE_ENA_M; 27655153a18eSAnirudh Venkataramanan wr32(hw, QINT_TQCTL(reg), val); 27665153a18eSAnirudh Venkataramanan } 27675153a18eSAnirudh Venkataramanan } 27685153a18eSAnirudh Venkataramanan } 27695153a18eSAnirudh Venkataramanan 27705153a18eSAnirudh Venkataramanan if (vsi->rx_rings) { 27715153a18eSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) { 27725153a18eSAnirudh Venkataramanan if (vsi->rx_rings[i]) { 27735153a18eSAnirudh Venkataramanan u16 reg; 27745153a18eSAnirudh Venkataramanan 27755153a18eSAnirudh Venkataramanan reg = vsi->rx_rings[i]->reg_idx; 27765153a18eSAnirudh Venkataramanan val = rd32(hw, QINT_RQCTL(reg)); 27775153a18eSAnirudh Venkataramanan val &= ~QINT_RQCTL_CAUSE_ENA_M; 27785153a18eSAnirudh Venkataramanan wr32(hw, QINT_RQCTL(reg), val); 27795153a18eSAnirudh Venkataramanan } 27805153a18eSAnirudh Venkataramanan } 27815153a18eSAnirudh Venkataramanan } 27825153a18eSAnirudh Venkataramanan 27835153a18eSAnirudh Venkataramanan /* disable each interrupt */ 2784462acf6aSTony Nguyen ice_for_each_q_vector(vsi, i) { 2785462acf6aSTony Nguyen if (!vsi->q_vectors[i]) 2786462acf6aSTony Nguyen continue; 2787b07833a0SBrett Creeley wr32(hw, GLINT_DYN_CTL(vsi->q_vectors[i]->reg_idx), 0); 2788462acf6aSTony Nguyen } 27895153a18eSAnirudh Venkataramanan 27905153a18eSAnirudh Venkataramanan ice_flush(hw); 2791b07833a0SBrett Creeley 2792da4a9e73SBrett Creeley /* don't call synchronize_irq() for VF's from the host */ 2793da4a9e73SBrett Creeley if (vsi->type == ICE_VSI_VF) 2794da4a9e73SBrett Creeley return; 2795da4a9e73SBrett Creeley 27960c2561c8SBrett Creeley ice_for_each_q_vector(vsi, i) 27975153a18eSAnirudh Venkataramanan synchronize_irq(pf->msix_entries[i + base].vector); 27985153a18eSAnirudh Venkataramanan } 27995153a18eSAnirudh Venkataramanan 28005153a18eSAnirudh Venkataramanan /** 2801561f4379STony Nguyen * ice_napi_del - Remove NAPI handler for the VSI 2802561f4379STony Nguyen * @vsi: VSI for which NAPI handler is to be removed 2803561f4379STony Nguyen */ 2804561f4379STony Nguyen void ice_napi_del(struct ice_vsi *vsi) 2805561f4379STony Nguyen { 2806561f4379STony Nguyen int v_idx; 2807561f4379STony Nguyen 2808561f4379STony Nguyen if (!vsi->netdev) 2809561f4379STony Nguyen return; 2810561f4379STony Nguyen 2811561f4379STony Nguyen ice_for_each_q_vector(vsi, v_idx) 2812561f4379STony Nguyen netif_napi_del(&vsi->q_vectors[v_idx]->napi); 2813561f4379STony Nguyen } 2814561f4379STony Nguyen 2815561f4379STony Nguyen /** 2816df0f8479SAnirudh Venkataramanan * ice_vsi_release - Delete a VSI and free its resources 2817df0f8479SAnirudh Venkataramanan * @vsi: the VSI being removed 2818df0f8479SAnirudh Venkataramanan * 2819df0f8479SAnirudh Venkataramanan * Returns 0 on success or < 0 on error 2820df0f8479SAnirudh Venkataramanan */ 2821df0f8479SAnirudh Venkataramanan int ice_vsi_release(struct ice_vsi *vsi) 2822df0f8479SAnirudh Venkataramanan { 2823df0f8479SAnirudh Venkataramanan struct ice_pf *pf; 2824df0f8479SAnirudh Venkataramanan 2825df0f8479SAnirudh Venkataramanan if (!vsi->back) 2826df0f8479SAnirudh Venkataramanan return -ENODEV; 2827df0f8479SAnirudh Venkataramanan pf = vsi->back; 2828b751930cSBrett Creeley 2829aa6ccf3fSBrett Creeley /* do not unregister while driver is in the reset recovery pending 2830aa6ccf3fSBrett Creeley * state. Since reset/rebuild happens through PF service task workqueue, 2831aa6ccf3fSBrett Creeley * it's not a good idea to unregister netdev that is associated to the 2832aa6ccf3fSBrett Creeley * PF that is running the work queue items currently. This is done to 2833aa6ccf3fSBrett Creeley * avoid check_flush_dependency() warning on this wq 2834df0f8479SAnirudh Venkataramanan */ 2835a476d72aSAnirudh Venkataramanan if (vsi->netdev && !ice_is_reset_in_progress(pf->state) && 2836a476d72aSAnirudh Venkataramanan (test_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state))) { 2837df0f8479SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 2838a476d72aSAnirudh Venkataramanan clear_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state); 283948d40025SJacob Keller } 2840df0f8479SAnirudh Venkataramanan 2841a476d72aSAnirudh Venkataramanan ice_devlink_destroy_port(vsi); 2842a476d72aSAnirudh Venkataramanan 2843df0f8479SAnirudh Venkataramanan if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 2844df0f8479SAnirudh Venkataramanan ice_rss_clean(vsi); 2845df0f8479SAnirudh Venkataramanan 2846df0f8479SAnirudh Venkataramanan /* Disable VSI and free resources */ 28470e674aebSAnirudh Venkataramanan if (vsi->type != ICE_VSI_LB) 2848df0f8479SAnirudh Venkataramanan ice_vsi_dis_irq(vsi); 2849df0f8479SAnirudh Venkataramanan ice_vsi_close(vsi); 2850df0f8479SAnirudh Venkataramanan 2851cbe66bfeSBrett Creeley /* SR-IOV determines needed MSIX resources all at once instead of per 2852cbe66bfeSBrett Creeley * VSI since when VFs are spawned we know how many VFs there are and how 2853cbe66bfeSBrett Creeley * many interrupts each VF needs. SR-IOV MSIX resources are also 2854cbe66bfeSBrett Creeley * cleared in the same manner. 2855cbe66bfeSBrett Creeley */ 2856da62c5ffSQi Zhang if (vsi->type == ICE_VSI_CTRL && vsi->vf_id != ICE_INVAL_VFID) { 2857da62c5ffSQi Zhang struct ice_vf *vf; 2858da62c5ffSQi Zhang int i; 2859da62c5ffSQi Zhang 2860da62c5ffSQi Zhang ice_for_each_vf(pf, i) { 2861da62c5ffSQi Zhang vf = &pf->vf[i]; 2862da62c5ffSQi Zhang if (i != vsi->vf_id && vf->ctrl_vsi_idx != ICE_NO_VSI) 2863da62c5ffSQi Zhang break; 2864da62c5ffSQi Zhang } 2865da62c5ffSQi Zhang if (i == pf->num_alloc_vfs) { 2866da62c5ffSQi Zhang /* No other VFs left that have control VSI, reclaim SW 2867da62c5ffSQi Zhang * interrupts back to the common pool 2868da62c5ffSQi Zhang */ 2869da62c5ffSQi Zhang ice_free_res(pf->irq_tracker, vsi->base_vector, 2870da62c5ffSQi Zhang ICE_RES_VF_CTRL_VEC_ID); 2871da62c5ffSQi Zhang pf->num_avail_sw_msix += vsi->num_q_vectors; 2872da62c5ffSQi Zhang } 2873da62c5ffSQi Zhang } else if (vsi->type != ICE_VSI_VF) { 28748ede0178SAnirudh Venkataramanan /* reclaim SW interrupts back to the common pool */ 2875cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 2876eb0208ecSPreethi Banala pf->num_avail_sw_msix += vsi->num_q_vectors; 28778ede0178SAnirudh Venkataramanan } 2878df0f8479SAnirudh Venkataramanan 2879462acf6aSTony Nguyen if (!ice_is_safe_mode(pf)) { 28802e0e6228SDave Ertman if (vsi->type == ICE_VSI_PF) { 28811b8f15b6SMichal Swiatkowski ice_fltr_remove_eth(vsi, ETH_P_PAUSE, ICE_FLTR_TX, 28821b8f15b6SMichal Swiatkowski ICE_DROP_PACKET); 28832e0e6228SDave Ertman ice_cfg_sw_lldp(vsi, true, false); 28842e0e6228SDave Ertman /* The Rx rule will only exist to remove if the LLDP FW 28852e0e6228SDave Ertman * engine is currently stopped 28862e0e6228SDave Ertman */ 288784a118abSDave Ertman if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) 28882e0e6228SDave Ertman ice_cfg_sw_lldp(vsi, false, false); 28892e0e6228SDave Ertman } 2890462acf6aSTony Nguyen } 2891d95276ceSAkeem G Abodunrin 28921b8f15b6SMichal Swiatkowski ice_fltr_remove_all(vsi); 289310e03a22SAnirudh Venkataramanan ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); 2894df0f8479SAnirudh Venkataramanan ice_vsi_delete(vsi); 2895df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 2896aa6ccf3fSBrett Creeley 2897a476d72aSAnirudh Venkataramanan if (vsi->netdev) { 2898a476d72aSAnirudh Venkataramanan if (test_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state)) { 2899a476d72aSAnirudh Venkataramanan unregister_netdev(vsi->netdev); 2900a476d72aSAnirudh Venkataramanan clear_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state); 2901a476d72aSAnirudh Venkataramanan } 2902a476d72aSAnirudh Venkataramanan if (test_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state)) { 2903aa6ccf3fSBrett Creeley free_netdev(vsi->netdev); 2904aa6ccf3fSBrett Creeley vsi->netdev = NULL; 2905a476d72aSAnirudh Venkataramanan clear_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state); 2906a476d72aSAnirudh Venkataramanan } 2907aa6ccf3fSBrett Creeley } 2908aa6ccf3fSBrett Creeley 2909b126bd6bSKiran Patil if (vsi->type == ICE_VSI_VF && 2910b126bd6bSKiran Patil vsi->agg_node && vsi->agg_node->valid) 2911b126bd6bSKiran Patil vsi->agg_node->num_vsis--; 2912df0f8479SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 2913df0f8479SAnirudh Venkataramanan 2914df0f8479SAnirudh Venkataramanan ice_vsi_put_qs(vsi); 2915df0f8479SAnirudh Venkataramanan 2916df0f8479SAnirudh Venkataramanan /* retain SW VSI data structure since it is needed to unregister and 2917df0f8479SAnirudh Venkataramanan * free VSI netdev when PF is not in reset recovery pending state,\ 2918df0f8479SAnirudh Venkataramanan * for ex: during rmmod. 2919df0f8479SAnirudh Venkataramanan */ 29205df7e45dSDave Ertman if (!ice_is_reset_in_progress(pf->state)) 2921df0f8479SAnirudh Venkataramanan ice_vsi_clear(vsi); 2922df0f8479SAnirudh Venkataramanan 2923df0f8479SAnirudh Venkataramanan return 0; 2924df0f8479SAnirudh Venkataramanan } 2925df0f8479SAnirudh Venkataramanan 2926df0f8479SAnirudh Venkataramanan /** 292761dc79ceSMichal Swiatkowski * ice_vsi_rebuild_get_coalesce - get coalesce from all q_vectors 292861dc79ceSMichal Swiatkowski * @vsi: VSI connected with q_vectors 292961dc79ceSMichal Swiatkowski * @coalesce: array of struct with stored coalesce 293061dc79ceSMichal Swiatkowski * 293161dc79ceSMichal Swiatkowski * Returns array size. 293261dc79ceSMichal Swiatkowski */ 293361dc79ceSMichal Swiatkowski static int 293461dc79ceSMichal Swiatkowski ice_vsi_rebuild_get_coalesce(struct ice_vsi *vsi, 293561dc79ceSMichal Swiatkowski struct ice_coalesce_stored *coalesce) 293661dc79ceSMichal Swiatkowski { 293761dc79ceSMichal Swiatkowski int i; 293861dc79ceSMichal Swiatkowski 293961dc79ceSMichal Swiatkowski ice_for_each_q_vector(vsi, i) { 294061dc79ceSMichal Swiatkowski struct ice_q_vector *q_vector = vsi->q_vectors[i]; 294161dc79ceSMichal Swiatkowski 294261dc79ceSMichal Swiatkowski coalesce[i].itr_tx = q_vector->tx.itr_setting; 294361dc79ceSMichal Swiatkowski coalesce[i].itr_rx = q_vector->rx.itr_setting; 294461dc79ceSMichal Swiatkowski coalesce[i].intrl = q_vector->intrl; 29452ec56385SPaul M Stillwell Jr 29462ec56385SPaul M Stillwell Jr if (i < vsi->num_txq) 29472ec56385SPaul M Stillwell Jr coalesce[i].tx_valid = true; 29482ec56385SPaul M Stillwell Jr if (i < vsi->num_rxq) 29492ec56385SPaul M Stillwell Jr coalesce[i].rx_valid = true; 295061dc79ceSMichal Swiatkowski } 295161dc79ceSMichal Swiatkowski 295261dc79ceSMichal Swiatkowski return vsi->num_q_vectors; 295361dc79ceSMichal Swiatkowski } 295461dc79ceSMichal Swiatkowski 295561dc79ceSMichal Swiatkowski /** 295661dc79ceSMichal Swiatkowski * ice_vsi_rebuild_set_coalesce - set coalesce from earlier saved arrays 295761dc79ceSMichal Swiatkowski * @vsi: VSI connected with q_vectors 295861dc79ceSMichal Swiatkowski * @coalesce: pointer to array of struct with stored coalesce 295961dc79ceSMichal Swiatkowski * @size: size of coalesce array 296061dc79ceSMichal Swiatkowski * 296161dc79ceSMichal Swiatkowski * Before this function, ice_vsi_rebuild_get_coalesce should be called to save 296261dc79ceSMichal Swiatkowski * ITR params in arrays. If size is 0 or coalesce wasn't stored set coalesce 296361dc79ceSMichal Swiatkowski * to default value. 296461dc79ceSMichal Swiatkowski */ 296561dc79ceSMichal Swiatkowski static void 296661dc79ceSMichal Swiatkowski ice_vsi_rebuild_set_coalesce(struct ice_vsi *vsi, 296761dc79ceSMichal Swiatkowski struct ice_coalesce_stored *coalesce, int size) 296861dc79ceSMichal Swiatkowski { 2969b8b47723SJesse Brandeburg struct ice_ring_container *rc; 297061dc79ceSMichal Swiatkowski int i; 297161dc79ceSMichal Swiatkowski 297261dc79ceSMichal Swiatkowski if ((size && !coalesce) || !vsi) 297361dc79ceSMichal Swiatkowski return; 297461dc79ceSMichal Swiatkowski 29752ec56385SPaul M Stillwell Jr /* There are a couple of cases that have to be handled here: 29762ec56385SPaul M Stillwell Jr * 1. The case where the number of queue vectors stays the same, but 29772ec56385SPaul M Stillwell Jr * the number of Tx or Rx rings changes (the first for loop) 29782ec56385SPaul M Stillwell Jr * 2. The case where the number of queue vectors increased (the 29792ec56385SPaul M Stillwell Jr * second for loop) 2980a039f6fcSBrett Creeley */ 29812ec56385SPaul M Stillwell Jr for (i = 0; i < size && i < vsi->num_q_vectors; i++) { 29822ec56385SPaul M Stillwell Jr /* There are 2 cases to handle here and they are the same for 29832ec56385SPaul M Stillwell Jr * both Tx and Rx: 29842ec56385SPaul M Stillwell Jr * if the entry was valid previously (coalesce[i].[tr]x_valid 29852ec56385SPaul M Stillwell Jr * and the loop variable is less than the number of rings 29862ec56385SPaul M Stillwell Jr * allocated, then write the previous values 29872ec56385SPaul M Stillwell Jr * 29882ec56385SPaul M Stillwell Jr * if the entry was not valid previously, but the number of 29892ec56385SPaul M Stillwell Jr * rings is less than are allocated (this means the number of 29902ec56385SPaul M Stillwell Jr * rings increased from previously), then write out the 29912ec56385SPaul M Stillwell Jr * values in the first element 2992b8b47723SJesse Brandeburg * 2993b8b47723SJesse Brandeburg * Also, always write the ITR, even if in ITR_IS_DYNAMIC 2994b8b47723SJesse Brandeburg * as there is no harm because the dynamic algorithm 2995b8b47723SJesse Brandeburg * will just overwrite. 29962ec56385SPaul M Stillwell Jr */ 2997b8b47723SJesse Brandeburg if (i < vsi->alloc_rxq && coalesce[i].rx_valid) { 2998b8b47723SJesse Brandeburg rc = &vsi->q_vectors[i]->rx; 2999b8b47723SJesse Brandeburg rc->itr_setting = coalesce[i].itr_rx; 3000b8b47723SJesse Brandeburg ice_write_itr(rc, rc->itr_setting); 3001b8b47723SJesse Brandeburg } else if (i < vsi->alloc_rxq) { 3002b8b47723SJesse Brandeburg rc = &vsi->q_vectors[i]->rx; 3003b8b47723SJesse Brandeburg rc->itr_setting = coalesce[0].itr_rx; 3004b8b47723SJesse Brandeburg ice_write_itr(rc, rc->itr_setting); 3005b8b47723SJesse Brandeburg } 30062ec56385SPaul M Stillwell Jr 3007b8b47723SJesse Brandeburg if (i < vsi->alloc_txq && coalesce[i].tx_valid) { 3008b8b47723SJesse Brandeburg rc = &vsi->q_vectors[i]->tx; 3009b8b47723SJesse Brandeburg rc->itr_setting = coalesce[i].itr_tx; 3010b8b47723SJesse Brandeburg ice_write_itr(rc, rc->itr_setting); 3011b8b47723SJesse Brandeburg } else if (i < vsi->alloc_txq) { 3012b8b47723SJesse Brandeburg rc = &vsi->q_vectors[i]->tx; 3013b8b47723SJesse Brandeburg rc->itr_setting = coalesce[0].itr_tx; 3014b8b47723SJesse Brandeburg ice_write_itr(rc, rc->itr_setting); 3015b8b47723SJesse Brandeburg } 30162ec56385SPaul M Stillwell Jr 3017b8b47723SJesse Brandeburg vsi->q_vectors[i]->intrl = coalesce[i].intrl; 3018b8b47723SJesse Brandeburg ice_write_intrl(vsi->q_vectors[i], coalesce[i].intrl); 30192ec56385SPaul M Stillwell Jr } 30202ec56385SPaul M Stillwell Jr 30212ec56385SPaul M Stillwell Jr /* the number of queue vectors increased so write whatever is in 30222ec56385SPaul M Stillwell Jr * the first element 30232ec56385SPaul M Stillwell Jr */ 30242ec56385SPaul M Stillwell Jr for (; i < vsi->num_q_vectors; i++) { 3025b8b47723SJesse Brandeburg /* transmit */ 3026b8b47723SJesse Brandeburg rc = &vsi->q_vectors[i]->tx; 3027b8b47723SJesse Brandeburg rc->itr_setting = coalesce[0].itr_tx; 3028b8b47723SJesse Brandeburg ice_write_itr(rc, rc->itr_setting); 3029b8b47723SJesse Brandeburg 3030b8b47723SJesse Brandeburg /* receive */ 3031b8b47723SJesse Brandeburg rc = &vsi->q_vectors[i]->rx; 3032b8b47723SJesse Brandeburg rc->itr_setting = coalesce[0].itr_rx; 3033b8b47723SJesse Brandeburg ice_write_itr(rc, rc->itr_setting); 3034b8b47723SJesse Brandeburg 3035b8b47723SJesse Brandeburg vsi->q_vectors[i]->intrl = coalesce[0].intrl; 3036b8b47723SJesse Brandeburg ice_write_intrl(vsi->q_vectors[i], coalesce[0].intrl); 30372ec56385SPaul M Stillwell Jr } 303861dc79ceSMichal Swiatkowski } 303961dc79ceSMichal Swiatkowski 304061dc79ceSMichal Swiatkowski /** 3041df0f8479SAnirudh Venkataramanan * ice_vsi_rebuild - Rebuild VSI after reset 3042df0f8479SAnirudh Venkataramanan * @vsi: VSI to be rebuild 304387324e74SHenry Tieman * @init_vsi: is this an initialization or a reconfigure of the VSI 3044df0f8479SAnirudh Venkataramanan * 3045df0f8479SAnirudh Venkataramanan * Returns 0 on success and negative value on failure 3046df0f8479SAnirudh Venkataramanan */ 304787324e74SHenry Tieman int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi) 3048df0f8479SAnirudh Venkataramanan { 3049df0f8479SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 305061dc79ceSMichal Swiatkowski struct ice_coalesce_stored *coalesce; 305161dc79ceSMichal Swiatkowski int prev_num_q_vectors = 0; 30527eeac889SAkeem G Abodunrin struct ice_vf *vf = NULL; 305358623c52SJesse Brandeburg enum ice_vsi_type vtype; 3054d31530e8SAkeem G Abodunrin enum ice_status status; 3055c5a2a4a3SUsha Ketineni struct ice_pf *pf; 3056df0f8479SAnirudh Venkataramanan int ret, i; 3057df0f8479SAnirudh Venkataramanan 3058df0f8479SAnirudh Venkataramanan if (!vsi) 3059df0f8479SAnirudh Venkataramanan return -EINVAL; 3060df0f8479SAnirudh Venkataramanan 3061c5a2a4a3SUsha Ketineni pf = vsi->back; 306258623c52SJesse Brandeburg vtype = vsi->type; 306358623c52SJesse Brandeburg if (vtype == ICE_VSI_VF) 30647eeac889SAkeem G Abodunrin vf = &pf->vf[vsi->vf_id]; 30657eeac889SAkeem G Abodunrin 306661dc79ceSMichal Swiatkowski coalesce = kcalloc(vsi->num_q_vectors, 306761dc79ceSMichal Swiatkowski sizeof(struct ice_coalesce_stored), GFP_KERNEL); 30682ec56385SPaul M Stillwell Jr if (!coalesce) 30692ec56385SPaul M Stillwell Jr return -ENOMEM; 30702ec56385SPaul M Stillwell Jr 30712ec56385SPaul M Stillwell Jr prev_num_q_vectors = ice_vsi_rebuild_get_coalesce(vsi, coalesce); 30722ec56385SPaul M Stillwell Jr 307347e3e53cSHenry Tieman ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); 3074df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 30757eeac889SAkeem G Abodunrin 3076cbe66bfeSBrett Creeley /* SR-IOV determines needed MSIX resources all at once instead of per 3077cbe66bfeSBrett Creeley * VSI since when VFs are spawned we know how many VFs there are and how 3078cbe66bfeSBrett Creeley * many interrupts each VF needs. SR-IOV MSIX resources are also 3079cbe66bfeSBrett Creeley * cleared in the same manner. 3080cbe66bfeSBrett Creeley */ 308158623c52SJesse Brandeburg if (vtype != ICE_VSI_VF) { 30827eeac889SAkeem G Abodunrin /* reclaim SW interrupts back to the common pool */ 3083cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 30847eeac889SAkeem G Abodunrin pf->num_avail_sw_msix += vsi->num_q_vectors; 3085cbe66bfeSBrett Creeley vsi->base_vector = 0; 30867eeac889SAkeem G Abodunrin } 30877eeac889SAkeem G Abodunrin 3088efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) 3089efc2214bSMaciej Fijalkowski /* return value check can be skipped here, it always returns 3090efc2214bSMaciej Fijalkowski * 0 if reset is in progress 3091efc2214bSMaciej Fijalkowski */ 3092efc2214bSMaciej Fijalkowski ice_destroy_xdp_rings(vsi); 309378b5713aSAnirudh Venkataramanan ice_vsi_put_qs(vsi); 3094df0f8479SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 3095a85a3847SBrett Creeley ice_vsi_free_arrays(vsi); 309658623c52SJesse Brandeburg if (vtype == ICE_VSI_VF) 30975743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, vf->vf_id); 30985743020dSAkeem G Abodunrin else 30995743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID); 310078b5713aSAnirudh Venkataramanan 310178b5713aSAnirudh Venkataramanan ret = ice_vsi_alloc_arrays(vsi); 310278b5713aSAnirudh Venkataramanan if (ret < 0) 310378b5713aSAnirudh Venkataramanan goto err_vsi; 310478b5713aSAnirudh Venkataramanan 310578b5713aSAnirudh Venkataramanan ice_vsi_get_qs(vsi); 310683af0039SHenry Tieman 310783af0039SHenry Tieman ice_alloc_fd_res(vsi); 3108c5a2a4a3SUsha Ketineni ice_vsi_set_tc_cfg(vsi); 3109df0f8479SAnirudh Venkataramanan 3110df0f8479SAnirudh Venkataramanan /* Initialize VSI struct elements and create VSI in FW */ 311187324e74SHenry Tieman ret = ice_vsi_init(vsi, init_vsi); 3112df0f8479SAnirudh Venkataramanan if (ret < 0) 3113df0f8479SAnirudh Venkataramanan goto err_vsi; 3114df0f8479SAnirudh Venkataramanan 311558623c52SJesse Brandeburg switch (vtype) { 311683af0039SHenry Tieman case ICE_VSI_CTRL: 3117df0f8479SAnirudh Venkataramanan case ICE_VSI_PF: 3118df0f8479SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 3119df0f8479SAnirudh Venkataramanan if (ret) 3120df0f8479SAnirudh Venkataramanan goto err_rings; 3121df0f8479SAnirudh Venkataramanan 312217bc6d07STony Nguyen ret = ice_vsi_setup_vector_base(vsi); 312317bc6d07STony Nguyen if (ret) 312417bc6d07STony Nguyen goto err_vectors; 312517bc6d07STony Nguyen 3126b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 3127b07833a0SBrett Creeley if (ret) 3128b07833a0SBrett Creeley goto err_vectors; 3129b07833a0SBrett Creeley 3130df0f8479SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 3131df0f8479SAnirudh Venkataramanan if (ret) 3132df0f8479SAnirudh Venkataramanan goto err_vectors; 3133df0f8479SAnirudh Venkataramanan 3134df0f8479SAnirudh Venkataramanan ice_vsi_map_rings_to_vectors(vsi); 3135efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) { 3136ae15e0baSMarta Plantykow vsi->num_xdp_txq = vsi->alloc_rxq; 3137efc2214bSMaciej Fijalkowski ret = ice_prepare_xdp_rings(vsi, vsi->xdp_prog); 3138efc2214bSMaciej Fijalkowski if (ret) 3139efc2214bSMaciej Fijalkowski goto err_vectors; 3140efc2214bSMaciej Fijalkowski } 314183af0039SHenry Tieman /* ICE_VSI_CTRL does not need RSS so skip RSS processing */ 314258623c52SJesse Brandeburg if (vtype != ICE_VSI_CTRL) 314383af0039SHenry Tieman /* Do not exit if configuring RSS had an issue, at 314483af0039SHenry Tieman * least receive traffic on first queue. Hence no 314583af0039SHenry Tieman * need to capture return value 314627a98affSMd Fahad Iqbal Polash */ 3147819d8998SJesse Brandeburg if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 314827a98affSMd Fahad Iqbal Polash ice_vsi_cfg_rss_lut_key(vsi); 3149df0f8479SAnirudh Venkataramanan break; 31508ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 31518ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 31528ede0178SAnirudh Venkataramanan if (ret) 31538ede0178SAnirudh Venkataramanan goto err_rings; 31548ede0178SAnirudh Venkataramanan 3155b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 3156b07833a0SBrett Creeley if (ret) 3157b07833a0SBrett Creeley goto err_vectors; 3158b07833a0SBrett Creeley 31598ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 31608ede0178SAnirudh Venkataramanan if (ret) 31618ede0178SAnirudh Venkataramanan goto err_vectors; 31628ede0178SAnirudh Venkataramanan 31638ede0178SAnirudh Venkataramanan break; 3164df0f8479SAnirudh Venkataramanan default: 3165df0f8479SAnirudh Venkataramanan break; 3166df0f8479SAnirudh Venkataramanan } 3167df0f8479SAnirudh Venkataramanan 3168df0f8479SAnirudh Venkataramanan /* configure VSI nodes based on number of queues and TC's */ 3169efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->tc_cfg.numtc; i++) { 3170d5a46359SAkeem G Abodunrin max_txqs[i] = vsi->alloc_txq; 3171df0f8479SAnirudh Venkataramanan 3172efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) 3173efc2214bSMaciej Fijalkowski max_txqs[i] += vsi->num_xdp_txq; 3174efc2214bSMaciej Fijalkowski } 3175efc2214bSMaciej Fijalkowski 3176d31530e8SAkeem G Abodunrin status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 31774fb33f31SAnirudh Venkataramanan max_txqs); 3178d31530e8SAkeem G Abodunrin if (status) { 31790fee3577SLihong Yang dev_err(ice_pf_to_dev(pf), "VSI %d failed lan queue config, error %s\n", 31800fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 318187324e74SHenry Tieman if (init_vsi) { 318287324e74SHenry Tieman ret = -EIO; 3183df0f8479SAnirudh Venkataramanan goto err_vectors; 318487324e74SHenry Tieman } else { 318587324e74SHenry Tieman return ice_schedule_reset(pf, ICE_RESET_PFR); 318687324e74SHenry Tieman } 3187df0f8479SAnirudh Venkataramanan } 318861dc79ceSMichal Swiatkowski ice_vsi_rebuild_set_coalesce(vsi, coalesce, prev_num_q_vectors); 318961dc79ceSMichal Swiatkowski kfree(coalesce); 319061dc79ceSMichal Swiatkowski 3191df0f8479SAnirudh Venkataramanan return 0; 3192df0f8479SAnirudh Venkataramanan 3193df0f8479SAnirudh Venkataramanan err_vectors: 3194df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 3195df0f8479SAnirudh Venkataramanan err_rings: 3196df0f8479SAnirudh Venkataramanan if (vsi->netdev) { 3197df0f8479SAnirudh Venkataramanan vsi->current_netdev_flags = 0; 3198df0f8479SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 3199df0f8479SAnirudh Venkataramanan free_netdev(vsi->netdev); 3200df0f8479SAnirudh Venkataramanan vsi->netdev = NULL; 3201df0f8479SAnirudh Venkataramanan } 3202df0f8479SAnirudh Venkataramanan err_vsi: 3203df0f8479SAnirudh Venkataramanan ice_vsi_clear(vsi); 32047e408e07SAnirudh Venkataramanan set_bit(ICE_RESET_FAILED, pf->state); 320561dc79ceSMichal Swiatkowski kfree(coalesce); 3206df0f8479SAnirudh Venkataramanan return ret; 3207df0f8479SAnirudh Venkataramanan } 3208df0f8479SAnirudh Venkataramanan 3209df0f8479SAnirudh Venkataramanan /** 32105df7e45dSDave Ertman * ice_is_reset_in_progress - check for a reset in progress 32112f2da36eSAnirudh Venkataramanan * @state: PF state field 32125153a18eSAnirudh Venkataramanan */ 32135df7e45dSDave Ertman bool ice_is_reset_in_progress(unsigned long *state) 32145153a18eSAnirudh Venkataramanan { 32157e408e07SAnirudh Venkataramanan return test_bit(ICE_RESET_OICR_RECV, state) || 32167e408e07SAnirudh Venkataramanan test_bit(ICE_PFR_REQ, state) || 32177e408e07SAnirudh Venkataramanan test_bit(ICE_CORER_REQ, state) || 32187e408e07SAnirudh Venkataramanan test_bit(ICE_GLOBR_REQ, state); 32195153a18eSAnirudh Venkataramanan } 32207b9ffc76SAnirudh Venkataramanan 32211c08052eSJacob Keller /** 32221c08052eSJacob Keller * ice_wait_for_reset - Wait for driver to finish reset and rebuild 32231c08052eSJacob Keller * @pf: pointer to the PF structure 32241c08052eSJacob Keller * @timeout: length of time to wait, in jiffies 32251c08052eSJacob Keller * 32261c08052eSJacob Keller * Wait (sleep) for a short time until the driver finishes cleaning up from 32271c08052eSJacob Keller * a device reset. The caller must be able to sleep. Use this to delay 32281c08052eSJacob Keller * operations that could fail while the driver is cleaning up after a device 32291c08052eSJacob Keller * reset. 32301c08052eSJacob Keller * 32311c08052eSJacob Keller * Returns 0 on success, -EBUSY if the reset is not finished within the 32321c08052eSJacob Keller * timeout, and -ERESTARTSYS if the thread was interrupted. 32331c08052eSJacob Keller */ 32341c08052eSJacob Keller int ice_wait_for_reset(struct ice_pf *pf, unsigned long timeout) 32351c08052eSJacob Keller { 32361c08052eSJacob Keller long ret; 32371c08052eSJacob Keller 32381c08052eSJacob Keller ret = wait_event_interruptible_timeout(pf->reset_wait_queue, 32391c08052eSJacob Keller !ice_is_reset_in_progress(pf->state), 32401c08052eSJacob Keller timeout); 32411c08052eSJacob Keller if (ret < 0) 32421c08052eSJacob Keller return ret; 32431c08052eSJacob Keller else if (!ret) 32441c08052eSJacob Keller return -EBUSY; 32451c08052eSJacob Keller else 32461c08052eSJacob Keller return 0; 32471c08052eSJacob Keller } 32481c08052eSJacob Keller 32497b9ffc76SAnirudh Venkataramanan #ifdef CONFIG_DCB 32507b9ffc76SAnirudh Venkataramanan /** 32517b9ffc76SAnirudh Venkataramanan * ice_vsi_update_q_map - update our copy of the VSI info with new queue map 32527b9ffc76SAnirudh Venkataramanan * @vsi: VSI being configured 32537b9ffc76SAnirudh Venkataramanan * @ctx: the context buffer returned from AQ VSI update command 32547b9ffc76SAnirudh Venkataramanan */ 32557b9ffc76SAnirudh Venkataramanan static void ice_vsi_update_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctx) 32567b9ffc76SAnirudh Venkataramanan { 32577b9ffc76SAnirudh Venkataramanan vsi->info.mapping_flags = ctx->info.mapping_flags; 32587b9ffc76SAnirudh Venkataramanan memcpy(&vsi->info.q_mapping, &ctx->info.q_mapping, 32597b9ffc76SAnirudh Venkataramanan sizeof(vsi->info.q_mapping)); 32607b9ffc76SAnirudh Venkataramanan memcpy(&vsi->info.tc_mapping, ctx->info.tc_mapping, 32617b9ffc76SAnirudh Venkataramanan sizeof(vsi->info.tc_mapping)); 32627b9ffc76SAnirudh Venkataramanan } 32637b9ffc76SAnirudh Venkataramanan 32647b9ffc76SAnirudh Venkataramanan /** 32657b9ffc76SAnirudh Venkataramanan * ice_vsi_cfg_tc - Configure VSI Tx Sched for given TC map 32667b9ffc76SAnirudh Venkataramanan * @vsi: VSI to be configured 32677b9ffc76SAnirudh Venkataramanan * @ena_tc: TC bitmap 32687b9ffc76SAnirudh Venkataramanan * 32697b9ffc76SAnirudh Venkataramanan * VSI queues expected to be quiesced before calling this function 32707b9ffc76SAnirudh Venkataramanan */ 32717b9ffc76SAnirudh Venkataramanan int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc) 32727b9ffc76SAnirudh Venkataramanan { 32737b9ffc76SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 32747b9ffc76SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 32754ee656bbSTony Nguyen struct ice_vsi_ctx *ctx; 32767b9ffc76SAnirudh Venkataramanan enum ice_status status; 32774015d11eSBrett Creeley struct device *dev; 32787b9ffc76SAnirudh Venkataramanan int i, ret = 0; 32797b9ffc76SAnirudh Venkataramanan u8 num_tc = 0; 32807b9ffc76SAnirudh Venkataramanan 32814015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 32824015d11eSBrett Creeley 32837b9ffc76SAnirudh Venkataramanan ice_for_each_traffic_class(i) { 32847b9ffc76SAnirudh Venkataramanan /* build bitmap of enabled TCs */ 32857b9ffc76SAnirudh Venkataramanan if (ena_tc & BIT(i)) 32867b9ffc76SAnirudh Venkataramanan num_tc++; 32877b9ffc76SAnirudh Venkataramanan /* populate max_txqs per TC */ 3288d5a46359SAkeem G Abodunrin max_txqs[i] = vsi->alloc_txq; 32897b9ffc76SAnirudh Venkataramanan } 32907b9ffc76SAnirudh Venkataramanan 32917b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.ena_tc = ena_tc; 32927b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.numtc = num_tc; 32937b9ffc76SAnirudh Venkataramanan 32949efe35d0STony Nguyen ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 32957b9ffc76SAnirudh Venkataramanan if (!ctx) 32967b9ffc76SAnirudh Venkataramanan return -ENOMEM; 32977b9ffc76SAnirudh Venkataramanan 32987b9ffc76SAnirudh Venkataramanan ctx->vf_num = 0; 32997b9ffc76SAnirudh Venkataramanan ctx->info = vsi->info; 33007b9ffc76SAnirudh Venkataramanan 33017b9ffc76SAnirudh Venkataramanan ice_vsi_setup_q_map(vsi, ctx); 33027b9ffc76SAnirudh Venkataramanan 33037b9ffc76SAnirudh Venkataramanan /* must to indicate which section of VSI context are being modified */ 33047b9ffc76SAnirudh Venkataramanan ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID); 33057b9ffc76SAnirudh Venkataramanan status = ice_update_vsi(&pf->hw, vsi->idx, ctx, NULL); 33067b9ffc76SAnirudh Venkataramanan if (status) { 33074015d11eSBrett Creeley dev_info(dev, "Failed VSI Update\n"); 33087b9ffc76SAnirudh Venkataramanan ret = -EIO; 33097b9ffc76SAnirudh Venkataramanan goto out; 33107b9ffc76SAnirudh Venkataramanan } 33117b9ffc76SAnirudh Venkataramanan 33127b9ffc76SAnirudh Venkataramanan status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 33137b9ffc76SAnirudh Venkataramanan max_txqs); 33147b9ffc76SAnirudh Venkataramanan 33157b9ffc76SAnirudh Venkataramanan if (status) { 33160fee3577SLihong Yang dev_err(dev, "VSI %d failed TC config, error %s\n", 33170fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 33187b9ffc76SAnirudh Venkataramanan ret = -EIO; 33197b9ffc76SAnirudh Venkataramanan goto out; 33207b9ffc76SAnirudh Venkataramanan } 33217b9ffc76SAnirudh Venkataramanan ice_vsi_update_q_map(vsi, ctx); 33227b9ffc76SAnirudh Venkataramanan vsi->info.valid_sections = 0; 33237b9ffc76SAnirudh Venkataramanan 33247b9ffc76SAnirudh Venkataramanan ice_vsi_cfg_netdev_tc(vsi, ena_tc); 33257b9ffc76SAnirudh Venkataramanan out: 33269efe35d0STony Nguyen kfree(ctx); 33277b9ffc76SAnirudh Venkataramanan return ret; 33287b9ffc76SAnirudh Venkataramanan } 33297b9ffc76SAnirudh Venkataramanan #endif /* CONFIG_DCB */ 3330bbb968e8SAkeem G Abodunrin 3331bbb968e8SAkeem G Abodunrin /** 33322d4238f5SKrzysztof Kazimierczak * ice_update_ring_stats - Update ring statistics 33332d4238f5SKrzysztof Kazimierczak * @ring: ring to update 33342d4238f5SKrzysztof Kazimierczak * @pkts: number of processed packets 33352d4238f5SKrzysztof Kazimierczak * @bytes: number of processed bytes 33362d4238f5SKrzysztof Kazimierczak * 33372d4238f5SKrzysztof Kazimierczak * This function assumes that caller has acquired a u64_stats_sync lock. 33382d4238f5SKrzysztof Kazimierczak */ 3339cdf1f1f1SJacob Keller static void ice_update_ring_stats(struct ice_ring *ring, u64 pkts, u64 bytes) 33402d4238f5SKrzysztof Kazimierczak { 33412d4238f5SKrzysztof Kazimierczak ring->stats.bytes += bytes; 33422d4238f5SKrzysztof Kazimierczak ring->stats.pkts += pkts; 33432d4238f5SKrzysztof Kazimierczak } 33442d4238f5SKrzysztof Kazimierczak 33452d4238f5SKrzysztof Kazimierczak /** 33462d4238f5SKrzysztof Kazimierczak * ice_update_tx_ring_stats - Update Tx ring specific counters 33472d4238f5SKrzysztof Kazimierczak * @tx_ring: ring to update 33482d4238f5SKrzysztof Kazimierczak * @pkts: number of processed packets 33492d4238f5SKrzysztof Kazimierczak * @bytes: number of processed bytes 33502d4238f5SKrzysztof Kazimierczak */ 33512d4238f5SKrzysztof Kazimierczak void ice_update_tx_ring_stats(struct ice_ring *tx_ring, u64 pkts, u64 bytes) 33522d4238f5SKrzysztof Kazimierczak { 33532d4238f5SKrzysztof Kazimierczak u64_stats_update_begin(&tx_ring->syncp); 3354cdf1f1f1SJacob Keller ice_update_ring_stats(tx_ring, pkts, bytes); 33552d4238f5SKrzysztof Kazimierczak u64_stats_update_end(&tx_ring->syncp); 33562d4238f5SKrzysztof Kazimierczak } 33572d4238f5SKrzysztof Kazimierczak 33582d4238f5SKrzysztof Kazimierczak /** 33592d4238f5SKrzysztof Kazimierczak * ice_update_rx_ring_stats - Update Rx ring specific counters 33602d4238f5SKrzysztof Kazimierczak * @rx_ring: ring to update 33612d4238f5SKrzysztof Kazimierczak * @pkts: number of processed packets 33622d4238f5SKrzysztof Kazimierczak * @bytes: number of processed bytes 33632d4238f5SKrzysztof Kazimierczak */ 33642d4238f5SKrzysztof Kazimierczak void ice_update_rx_ring_stats(struct ice_ring *rx_ring, u64 pkts, u64 bytes) 33652d4238f5SKrzysztof Kazimierczak { 33662d4238f5SKrzysztof Kazimierczak u64_stats_update_begin(&rx_ring->syncp); 3367cdf1f1f1SJacob Keller ice_update_ring_stats(rx_ring, pkts, bytes); 33682d4238f5SKrzysztof Kazimierczak u64_stats_update_end(&rx_ring->syncp); 33692d4238f5SKrzysztof Kazimierczak } 33702d4238f5SKrzysztof Kazimierczak 33712d4238f5SKrzysztof Kazimierczak /** 3372148beb61SHenry Tieman * ice_status_to_errno - convert from enum ice_status to Linux errno 3373148beb61SHenry Tieman * @err: ice_status value to convert 3374148beb61SHenry Tieman */ 3375148beb61SHenry Tieman int ice_status_to_errno(enum ice_status err) 3376148beb61SHenry Tieman { 3377148beb61SHenry Tieman switch (err) { 3378148beb61SHenry Tieman case ICE_SUCCESS: 3379148beb61SHenry Tieman return 0; 3380148beb61SHenry Tieman case ICE_ERR_DOES_NOT_EXIST: 3381148beb61SHenry Tieman return -ENOENT; 3382148beb61SHenry Tieman case ICE_ERR_OUT_OF_RANGE: 3383148beb61SHenry Tieman return -ENOTTY; 3384148beb61SHenry Tieman case ICE_ERR_PARAM: 3385148beb61SHenry Tieman return -EINVAL; 3386148beb61SHenry Tieman case ICE_ERR_NO_MEMORY: 3387148beb61SHenry Tieman return -ENOMEM; 3388148beb61SHenry Tieman case ICE_ERR_MAX_LIMIT: 3389148beb61SHenry Tieman return -EAGAIN; 3390148beb61SHenry Tieman default: 3391148beb61SHenry Tieman return -EINVAL; 3392148beb61SHenry Tieman } 3393148beb61SHenry Tieman } 3394148beb61SHenry Tieman 3395148beb61SHenry Tieman /** 3396fc0f39bcSBrett Creeley * ice_is_dflt_vsi_in_use - check if the default forwarding VSI is being used 3397fc0f39bcSBrett Creeley * @sw: switch to check if its default forwarding VSI is free 3398fc0f39bcSBrett Creeley * 3399fc0f39bcSBrett Creeley * Return true if the default forwarding VSI is already being used, else returns 3400fc0f39bcSBrett Creeley * false signalling that it's available to use. 3401fc0f39bcSBrett Creeley */ 3402fc0f39bcSBrett Creeley bool ice_is_dflt_vsi_in_use(struct ice_sw *sw) 3403fc0f39bcSBrett Creeley { 3404fc0f39bcSBrett Creeley return (sw->dflt_vsi && sw->dflt_vsi_ena); 3405fc0f39bcSBrett Creeley } 3406fc0f39bcSBrett Creeley 3407fc0f39bcSBrett Creeley /** 3408fc0f39bcSBrett Creeley * ice_is_vsi_dflt_vsi - check if the VSI passed in is the default VSI 3409fc0f39bcSBrett Creeley * @sw: switch for the default forwarding VSI to compare against 3410fc0f39bcSBrett Creeley * @vsi: VSI to compare against default forwarding VSI 3411fc0f39bcSBrett Creeley * 3412fc0f39bcSBrett Creeley * If this VSI passed in is the default forwarding VSI then return true, else 3413fc0f39bcSBrett Creeley * return false 3414fc0f39bcSBrett Creeley */ 3415fc0f39bcSBrett Creeley bool ice_is_vsi_dflt_vsi(struct ice_sw *sw, struct ice_vsi *vsi) 3416fc0f39bcSBrett Creeley { 3417fc0f39bcSBrett Creeley return (sw->dflt_vsi == vsi && sw->dflt_vsi_ena); 3418fc0f39bcSBrett Creeley } 3419fc0f39bcSBrett Creeley 3420fc0f39bcSBrett Creeley /** 3421fc0f39bcSBrett Creeley * ice_set_dflt_vsi - set the default forwarding VSI 3422fc0f39bcSBrett Creeley * @sw: switch used to assign the default forwarding VSI 3423fc0f39bcSBrett Creeley * @vsi: VSI getting set as the default forwarding VSI on the switch 3424fc0f39bcSBrett Creeley * 3425fc0f39bcSBrett Creeley * If the VSI passed in is already the default VSI and it's enabled just return 3426fc0f39bcSBrett Creeley * success. 3427fc0f39bcSBrett Creeley * 3428fc0f39bcSBrett Creeley * If there is already a default VSI on the switch and it's enabled then return 3429fc0f39bcSBrett Creeley * -EEXIST since there can only be one default VSI per switch. 3430fc0f39bcSBrett Creeley * 3431fc0f39bcSBrett Creeley * Otherwise try to set the VSI passed in as the switch's default VSI and 3432fc0f39bcSBrett Creeley * return the result. 3433fc0f39bcSBrett Creeley */ 3434fc0f39bcSBrett Creeley int ice_set_dflt_vsi(struct ice_sw *sw, struct ice_vsi *vsi) 3435fc0f39bcSBrett Creeley { 3436fc0f39bcSBrett Creeley enum ice_status status; 3437fc0f39bcSBrett Creeley struct device *dev; 3438fc0f39bcSBrett Creeley 3439fc0f39bcSBrett Creeley if (!sw || !vsi) 3440fc0f39bcSBrett Creeley return -EINVAL; 3441fc0f39bcSBrett Creeley 3442fc0f39bcSBrett Creeley dev = ice_pf_to_dev(vsi->back); 3443fc0f39bcSBrett Creeley 3444fc0f39bcSBrett Creeley /* the VSI passed in is already the default VSI */ 3445fc0f39bcSBrett Creeley if (ice_is_vsi_dflt_vsi(sw, vsi)) { 3446fc0f39bcSBrett Creeley dev_dbg(dev, "VSI %d passed in is already the default forwarding VSI, nothing to do\n", 3447fc0f39bcSBrett Creeley vsi->vsi_num); 3448fc0f39bcSBrett Creeley return 0; 3449fc0f39bcSBrett Creeley } 3450fc0f39bcSBrett Creeley 3451fc0f39bcSBrett Creeley /* another VSI is already the default VSI for this switch */ 3452fc0f39bcSBrett Creeley if (ice_is_dflt_vsi_in_use(sw)) { 345319cce2c6SAnirudh Venkataramanan dev_err(dev, "Default forwarding VSI %d already in use, disable it and try again\n", 3454fc0f39bcSBrett Creeley sw->dflt_vsi->vsi_num); 3455fc0f39bcSBrett Creeley return -EEXIST; 3456fc0f39bcSBrett Creeley } 3457fc0f39bcSBrett Creeley 3458fc0f39bcSBrett Creeley status = ice_cfg_dflt_vsi(&vsi->back->hw, vsi->idx, true, ICE_FLTR_RX); 3459fc0f39bcSBrett Creeley if (status) { 34600fee3577SLihong Yang dev_err(dev, "Failed to set VSI %d as the default forwarding VSI, error %s\n", 34610fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 3462fc0f39bcSBrett Creeley return -EIO; 3463fc0f39bcSBrett Creeley } 3464fc0f39bcSBrett Creeley 3465fc0f39bcSBrett Creeley sw->dflt_vsi = vsi; 3466fc0f39bcSBrett Creeley sw->dflt_vsi_ena = true; 3467fc0f39bcSBrett Creeley 3468fc0f39bcSBrett Creeley return 0; 3469fc0f39bcSBrett Creeley } 3470fc0f39bcSBrett Creeley 3471fc0f39bcSBrett Creeley /** 3472fc0f39bcSBrett Creeley * ice_clear_dflt_vsi - clear the default forwarding VSI 3473fc0f39bcSBrett Creeley * @sw: switch used to clear the default VSI 3474fc0f39bcSBrett Creeley * 3475fc0f39bcSBrett Creeley * If the switch has no default VSI or it's not enabled then return error. 3476fc0f39bcSBrett Creeley * 3477fc0f39bcSBrett Creeley * Otherwise try to clear the default VSI and return the result. 3478fc0f39bcSBrett Creeley */ 3479fc0f39bcSBrett Creeley int ice_clear_dflt_vsi(struct ice_sw *sw) 3480fc0f39bcSBrett Creeley { 3481fc0f39bcSBrett Creeley struct ice_vsi *dflt_vsi; 3482fc0f39bcSBrett Creeley enum ice_status status; 3483fc0f39bcSBrett Creeley struct device *dev; 3484fc0f39bcSBrett Creeley 3485fc0f39bcSBrett Creeley if (!sw) 3486fc0f39bcSBrett Creeley return -EINVAL; 3487fc0f39bcSBrett Creeley 3488fc0f39bcSBrett Creeley dev = ice_pf_to_dev(sw->pf); 3489fc0f39bcSBrett Creeley 3490fc0f39bcSBrett Creeley dflt_vsi = sw->dflt_vsi; 3491fc0f39bcSBrett Creeley 3492fc0f39bcSBrett Creeley /* there is no default VSI configured */ 3493fc0f39bcSBrett Creeley if (!ice_is_dflt_vsi_in_use(sw)) 3494fc0f39bcSBrett Creeley return -ENODEV; 3495fc0f39bcSBrett Creeley 3496fc0f39bcSBrett Creeley status = ice_cfg_dflt_vsi(&dflt_vsi->back->hw, dflt_vsi->idx, false, 3497fc0f39bcSBrett Creeley ICE_FLTR_RX); 3498fc0f39bcSBrett Creeley if (status) { 34990fee3577SLihong Yang dev_err(dev, "Failed to clear the default forwarding VSI %d, error %s\n", 35000fee3577SLihong Yang dflt_vsi->vsi_num, ice_stat_str(status)); 3501fc0f39bcSBrett Creeley return -EIO; 3502fc0f39bcSBrett Creeley } 3503fc0f39bcSBrett Creeley 3504fc0f39bcSBrett Creeley sw->dflt_vsi = NULL; 3505fc0f39bcSBrett Creeley sw->dflt_vsi_ena = false; 3506fc0f39bcSBrett Creeley 3507fc0f39bcSBrett Creeley return 0; 3508fc0f39bcSBrett Creeley } 3509d348d517SAnirudh Venkataramanan 3510d348d517SAnirudh Venkataramanan /** 3511d348d517SAnirudh Venkataramanan * ice_set_link - turn on/off physical link 3512d348d517SAnirudh Venkataramanan * @vsi: VSI to modify physical link on 3513d348d517SAnirudh Venkataramanan * @ena: turn on/off physical link 3514d348d517SAnirudh Venkataramanan */ 3515d348d517SAnirudh Venkataramanan int ice_set_link(struct ice_vsi *vsi, bool ena) 3516d348d517SAnirudh Venkataramanan { 3517d348d517SAnirudh Venkataramanan struct device *dev = ice_pf_to_dev(vsi->back); 3518d348d517SAnirudh Venkataramanan struct ice_port_info *pi = vsi->port_info; 3519d348d517SAnirudh Venkataramanan struct ice_hw *hw = pi->hw; 3520d348d517SAnirudh Venkataramanan enum ice_status status; 3521d348d517SAnirudh Venkataramanan 3522d348d517SAnirudh Venkataramanan if (vsi->type != ICE_VSI_PF) 3523d348d517SAnirudh Venkataramanan return -EINVAL; 3524d348d517SAnirudh Venkataramanan 3525d348d517SAnirudh Venkataramanan status = ice_aq_set_link_restart_an(pi, ena, NULL); 3526d348d517SAnirudh Venkataramanan 3527d348d517SAnirudh Venkataramanan /* if link is owned by manageability, FW will return ICE_AQ_RC_EMODE. 3528d348d517SAnirudh Venkataramanan * this is not a fatal error, so print a warning message and return 3529d348d517SAnirudh Venkataramanan * a success code. Return an error if FW returns an error code other 3530d348d517SAnirudh Venkataramanan * than ICE_AQ_RC_EMODE 3531d348d517SAnirudh Venkataramanan */ 3532d348d517SAnirudh Venkataramanan if (status == ICE_ERR_AQ_ERROR) { 3533d348d517SAnirudh Venkataramanan if (hw->adminq.sq_last_status == ICE_AQ_RC_EMODE) 3534d348d517SAnirudh Venkataramanan dev_warn(dev, "can't set link to %s, err %s aq_err %s. not fatal, continuing\n", 3535d348d517SAnirudh Venkataramanan (ena ? "ON" : "OFF"), ice_stat_str(status), 3536d348d517SAnirudh Venkataramanan ice_aq_str(hw->adminq.sq_last_status)); 3537d348d517SAnirudh Venkataramanan } else if (status) { 3538d348d517SAnirudh Venkataramanan dev_err(dev, "can't set link to %s, err %s aq_err %s\n", 3539d348d517SAnirudh Venkataramanan (ena ? "ON" : "OFF"), ice_stat_str(status), 3540d348d517SAnirudh Venkataramanan ice_aq_str(hw->adminq.sq_last_status)); 3541d348d517SAnirudh Venkataramanan return -EIO; 3542d348d517SAnirudh Venkataramanan } 3543d348d517SAnirudh Venkataramanan 3544d348d517SAnirudh Venkataramanan return 0; 3545d348d517SAnirudh Venkataramanan } 3546