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: 166f3fe97f6SBrett Creeley vsi->alloc_txq = min3(pf->num_lan_msix, 167f3fe97f6SBrett Creeley ice_get_avail_txq_count(pf), 168f3fe97f6SBrett Creeley (u16)num_online_cpus()); 16987324e74SHenry Tieman if (vsi->req_txq) { 17087324e74SHenry Tieman vsi->alloc_txq = vsi->req_txq; 17187324e74SHenry Tieman vsi->num_txq = vsi->req_txq; 17287324e74SHenry Tieman } 1738c243700SAnirudh Venkataramanan 1748c243700SAnirudh Venkataramanan pf->num_lan_tx = vsi->alloc_txq; 1758c243700SAnirudh Venkataramanan 1768c243700SAnirudh Venkataramanan /* only 1 Rx queue unless RSS is enabled */ 17787324e74SHenry Tieman if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 1788c243700SAnirudh Venkataramanan vsi->alloc_rxq = 1; 17987324e74SHenry Tieman } else { 180f3fe97f6SBrett Creeley vsi->alloc_rxq = min3(pf->num_lan_msix, 181f3fe97f6SBrett Creeley ice_get_avail_rxq_count(pf), 182f3fe97f6SBrett Creeley (u16)num_online_cpus()); 18387324e74SHenry Tieman if (vsi->req_rxq) { 18487324e74SHenry Tieman vsi->alloc_rxq = vsi->req_rxq; 18587324e74SHenry Tieman vsi->num_rxq = vsi->req_rxq; 18687324e74SHenry Tieman } 18787324e74SHenry Tieman } 1888c243700SAnirudh Venkataramanan 1898c243700SAnirudh Venkataramanan pf->num_lan_rx = vsi->alloc_rxq; 1908c243700SAnirudh Venkataramanan 191f3fe97f6SBrett Creeley vsi->num_q_vectors = min_t(int, pf->num_lan_msix, 192f3fe97f6SBrett Creeley max_t(int, vsi->alloc_rxq, 193f3fe97f6SBrett Creeley vsi->alloc_txq)); 19428c2a645SAnirudh Venkataramanan break; 1958ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 1965743020dSAkeem G Abodunrin vf = &pf->vf[vsi->vf_id]; 1975743020dSAkeem G Abodunrin vsi->alloc_txq = vf->num_vf_qs; 1985743020dSAkeem G Abodunrin vsi->alloc_rxq = vf->num_vf_qs; 19946c276ceSBrett Creeley /* pf->num_msix_per_vf includes (VF miscellaneous vector + 2008ede0178SAnirudh Venkataramanan * data queue interrupts). Since vsi->num_q_vectors is number 201047e52c0SAnirudh Venkataramanan * of queues vectors, subtract 1 (ICE_NONQ_VECS_VF) from the 202047e52c0SAnirudh Venkataramanan * original vector count 2038ede0178SAnirudh Venkataramanan */ 20446c276ceSBrett Creeley vsi->num_q_vectors = pf->num_msix_per_vf - ICE_NONQ_VECS_VF; 2058ede0178SAnirudh Venkataramanan break; 206148beb61SHenry Tieman case ICE_VSI_CTRL: 207148beb61SHenry Tieman vsi->alloc_txq = 1; 208148beb61SHenry Tieman vsi->alloc_rxq = 1; 209148beb61SHenry Tieman vsi->num_q_vectors = 1; 210148beb61SHenry Tieman break; 2110e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 2120e674aebSAnirudh Venkataramanan vsi->alloc_txq = 1; 2130e674aebSAnirudh Venkataramanan vsi->alloc_rxq = 1; 2140e674aebSAnirudh Venkataramanan break; 21528c2a645SAnirudh Venkataramanan default: 2164015d11eSBrett Creeley dev_warn(ice_pf_to_dev(pf), "Unknown VSI type %d\n", vsi->type); 21728c2a645SAnirudh Venkataramanan break; 21828c2a645SAnirudh Venkataramanan } 219ad71b256SBrett Creeley 220ad71b256SBrett Creeley ice_vsi_set_num_desc(vsi); 22128c2a645SAnirudh Venkataramanan } 22228c2a645SAnirudh Venkataramanan 22328c2a645SAnirudh Venkataramanan /** 22428c2a645SAnirudh Venkataramanan * ice_get_free_slot - get the next non-NULL location index in array 22528c2a645SAnirudh Venkataramanan * @array: array to search 22628c2a645SAnirudh Venkataramanan * @size: size of the array 22728c2a645SAnirudh Venkataramanan * @curr: last known occupied index to be used as a search hint 22828c2a645SAnirudh Venkataramanan * 22928c2a645SAnirudh Venkataramanan * void * is being used to keep the functionality generic. This lets us use this 23028c2a645SAnirudh Venkataramanan * function on any array of pointers. 23128c2a645SAnirudh Venkataramanan */ 23237bb8390SAnirudh Venkataramanan static int ice_get_free_slot(void *array, int size, int curr) 23328c2a645SAnirudh Venkataramanan { 23428c2a645SAnirudh Venkataramanan int **tmp_array = (int **)array; 23528c2a645SAnirudh Venkataramanan int next; 23628c2a645SAnirudh Venkataramanan 23728c2a645SAnirudh Venkataramanan if (curr < (size - 1) && !tmp_array[curr + 1]) { 23828c2a645SAnirudh Venkataramanan next = curr + 1; 23928c2a645SAnirudh Venkataramanan } else { 24028c2a645SAnirudh Venkataramanan int i = 0; 24128c2a645SAnirudh Venkataramanan 24228c2a645SAnirudh Venkataramanan while ((i < size) && (tmp_array[i])) 24328c2a645SAnirudh Venkataramanan i++; 24428c2a645SAnirudh Venkataramanan if (i == size) 24528c2a645SAnirudh Venkataramanan next = ICE_NO_VSI; 24628c2a645SAnirudh Venkataramanan else 24728c2a645SAnirudh Venkataramanan next = i; 24828c2a645SAnirudh Venkataramanan } 24928c2a645SAnirudh Venkataramanan return next; 25028c2a645SAnirudh Venkataramanan } 25128c2a645SAnirudh Venkataramanan 25228c2a645SAnirudh Venkataramanan /** 2535153a18eSAnirudh Venkataramanan * ice_vsi_delete - delete a VSI from the switch 2545153a18eSAnirudh Venkataramanan * @vsi: pointer to VSI being removed 2555153a18eSAnirudh Venkataramanan */ 256135f4b9eSJacob Keller static void ice_vsi_delete(struct ice_vsi *vsi) 2575153a18eSAnirudh Venkataramanan { 2585153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 259198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 2605153a18eSAnirudh Venkataramanan enum ice_status status; 2615153a18eSAnirudh Venkataramanan 2629efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 263198a666aSBruce Allan if (!ctxt) 264198a666aSBruce Allan return; 265198a666aSBruce Allan 2668ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 267198a666aSBruce Allan ctxt->vf_num = vsi->vf_id; 268198a666aSBruce Allan ctxt->vsi_num = vsi->vsi_num; 2695153a18eSAnirudh Venkataramanan 270198a666aSBruce Allan memcpy(&ctxt->info, &vsi->info, sizeof(ctxt->info)); 2715153a18eSAnirudh Venkataramanan 272198a666aSBruce Allan status = ice_free_vsi(&pf->hw, vsi->idx, ctxt, false, NULL); 2735153a18eSAnirudh Venkataramanan if (status) 2740fee3577SLihong Yang dev_err(ice_pf_to_dev(pf), "Failed to delete VSI %i in FW - error: %s\n", 2750fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 276198a666aSBruce Allan 2779efe35d0STony Nguyen kfree(ctxt); 2785153a18eSAnirudh Venkataramanan } 2795153a18eSAnirudh Venkataramanan 2805153a18eSAnirudh Venkataramanan /** 281a85a3847SBrett Creeley * ice_vsi_free_arrays - De-allocate queue and vector pointer arrays for the VSI 28207309a0eSAnirudh Venkataramanan * @vsi: pointer to VSI being cleared 28307309a0eSAnirudh Venkataramanan */ 284a85a3847SBrett Creeley static void ice_vsi_free_arrays(struct ice_vsi *vsi) 28507309a0eSAnirudh Venkataramanan { 28607309a0eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 2874015d11eSBrett Creeley struct device *dev; 2884015d11eSBrett Creeley 2894015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 29007309a0eSAnirudh Venkataramanan 29107309a0eSAnirudh Venkataramanan /* free the ring and vector containers */ 292a85a3847SBrett Creeley if (vsi->q_vectors) { 2934015d11eSBrett Creeley devm_kfree(dev, vsi->q_vectors); 29407309a0eSAnirudh Venkataramanan vsi->q_vectors = NULL; 29507309a0eSAnirudh Venkataramanan } 29607309a0eSAnirudh Venkataramanan if (vsi->tx_rings) { 2974015d11eSBrett Creeley devm_kfree(dev, vsi->tx_rings); 29807309a0eSAnirudh Venkataramanan vsi->tx_rings = NULL; 29907309a0eSAnirudh Venkataramanan } 30007309a0eSAnirudh Venkataramanan if (vsi->rx_rings) { 3014015d11eSBrett Creeley devm_kfree(dev, vsi->rx_rings); 30207309a0eSAnirudh Venkataramanan vsi->rx_rings = NULL; 30307309a0eSAnirudh Venkataramanan } 30478b5713aSAnirudh Venkataramanan if (vsi->txq_map) { 3054015d11eSBrett Creeley devm_kfree(dev, vsi->txq_map); 30678b5713aSAnirudh Venkataramanan vsi->txq_map = NULL; 30778b5713aSAnirudh Venkataramanan } 30878b5713aSAnirudh Venkataramanan if (vsi->rxq_map) { 3094015d11eSBrett Creeley devm_kfree(dev, vsi->rxq_map); 31078b5713aSAnirudh Venkataramanan vsi->rxq_map = NULL; 31178b5713aSAnirudh Venkataramanan } 31207309a0eSAnirudh Venkataramanan } 31307309a0eSAnirudh Venkataramanan 31407309a0eSAnirudh Venkataramanan /** 31507309a0eSAnirudh Venkataramanan * ice_vsi_clear - clean up and deallocate the provided VSI 31607309a0eSAnirudh Venkataramanan * @vsi: pointer to VSI being cleared 31707309a0eSAnirudh Venkataramanan * 31807309a0eSAnirudh Venkataramanan * This deallocates the VSI's queue resources, removes it from the PF's 31907309a0eSAnirudh Venkataramanan * VSI array if necessary, and deallocates the VSI 32007309a0eSAnirudh Venkataramanan * 32107309a0eSAnirudh Venkataramanan * Returns 0 on success, negative on failure 32207309a0eSAnirudh Venkataramanan */ 323135f4b9eSJacob Keller static int ice_vsi_clear(struct ice_vsi *vsi) 32407309a0eSAnirudh Venkataramanan { 32507309a0eSAnirudh Venkataramanan struct ice_pf *pf = NULL; 3264015d11eSBrett Creeley struct device *dev; 32707309a0eSAnirudh Venkataramanan 32807309a0eSAnirudh Venkataramanan if (!vsi) 32907309a0eSAnirudh Venkataramanan return 0; 33007309a0eSAnirudh Venkataramanan 33107309a0eSAnirudh Venkataramanan if (!vsi->back) 33207309a0eSAnirudh Venkataramanan return -EINVAL; 33307309a0eSAnirudh Venkataramanan 33407309a0eSAnirudh Venkataramanan pf = vsi->back; 3354015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 33607309a0eSAnirudh Venkataramanan 33707309a0eSAnirudh Venkataramanan if (!pf->vsi[vsi->idx] || pf->vsi[vsi->idx] != vsi) { 3384015d11eSBrett Creeley dev_dbg(dev, "vsi does not exist at pf->vsi[%d]\n", vsi->idx); 33907309a0eSAnirudh Venkataramanan return -EINVAL; 34007309a0eSAnirudh Venkataramanan } 34107309a0eSAnirudh Venkataramanan 34207309a0eSAnirudh Venkataramanan mutex_lock(&pf->sw_mutex); 34307309a0eSAnirudh Venkataramanan /* updates the PF for this cleared VSI */ 34407309a0eSAnirudh Venkataramanan 34507309a0eSAnirudh Venkataramanan pf->vsi[vsi->idx] = NULL; 346148beb61SHenry Tieman if (vsi->idx < pf->next_vsi && vsi->type != ICE_VSI_CTRL) 34707309a0eSAnirudh Venkataramanan pf->next_vsi = vsi->idx; 348da62c5ffSQi Zhang if (vsi->idx < pf->next_vsi && vsi->type == ICE_VSI_CTRL && 349da62c5ffSQi Zhang vsi->vf_id != ICE_INVAL_VFID) 350da62c5ffSQi Zhang pf->next_vsi = vsi->idx; 35107309a0eSAnirudh Venkataramanan 352a85a3847SBrett Creeley ice_vsi_free_arrays(vsi); 35307309a0eSAnirudh Venkataramanan mutex_unlock(&pf->sw_mutex); 3544015d11eSBrett Creeley devm_kfree(dev, vsi); 35507309a0eSAnirudh Venkataramanan 35607309a0eSAnirudh Venkataramanan return 0; 35707309a0eSAnirudh Venkataramanan } 35807309a0eSAnirudh Venkataramanan 35907309a0eSAnirudh Venkataramanan /** 360148beb61SHenry Tieman * ice_msix_clean_ctrl_vsi - MSIX mode interrupt handler for ctrl VSI 361148beb61SHenry Tieman * @irq: interrupt number 362148beb61SHenry Tieman * @data: pointer to a q_vector 363148beb61SHenry Tieman */ 364148beb61SHenry Tieman static irqreturn_t ice_msix_clean_ctrl_vsi(int __always_unused irq, void *data) 365148beb61SHenry Tieman { 366148beb61SHenry Tieman struct ice_q_vector *q_vector = (struct ice_q_vector *)data; 367148beb61SHenry Tieman 368148beb61SHenry Tieman if (!q_vector->tx.ring) 369148beb61SHenry Tieman return IRQ_HANDLED; 370148beb61SHenry Tieman 371148beb61SHenry Tieman #define FDIR_RX_DESC_CLEAN_BUDGET 64 372148beb61SHenry Tieman ice_clean_rx_irq(q_vector->rx.ring, FDIR_RX_DESC_CLEAN_BUDGET); 373148beb61SHenry Tieman ice_clean_ctrl_tx_irq(q_vector->tx.ring); 374148beb61SHenry Tieman 375148beb61SHenry Tieman return IRQ_HANDLED; 376148beb61SHenry Tieman } 377148beb61SHenry Tieman 378148beb61SHenry Tieman /** 3795153a18eSAnirudh Venkataramanan * ice_msix_clean_rings - MSIX mode Interrupt Handler 3805153a18eSAnirudh Venkataramanan * @irq: interrupt number 3815153a18eSAnirudh Venkataramanan * @data: pointer to a q_vector 3825153a18eSAnirudh Venkataramanan */ 383f3aaaaaaSAnirudh Venkataramanan static irqreturn_t ice_msix_clean_rings(int __always_unused irq, void *data) 3845153a18eSAnirudh Venkataramanan { 3855153a18eSAnirudh Venkataramanan struct ice_q_vector *q_vector = (struct ice_q_vector *)data; 3865153a18eSAnirudh Venkataramanan 3875153a18eSAnirudh Venkataramanan if (!q_vector->tx.ring && !q_vector->rx.ring) 3885153a18eSAnirudh Venkataramanan return IRQ_HANDLED; 3895153a18eSAnirudh Venkataramanan 390cdf1f1f1SJacob Keller q_vector->total_events++; 391cdf1f1f1SJacob Keller 3925153a18eSAnirudh Venkataramanan napi_schedule(&q_vector->napi); 3935153a18eSAnirudh Venkataramanan 3945153a18eSAnirudh Venkataramanan return IRQ_HANDLED; 3955153a18eSAnirudh Venkataramanan } 3965153a18eSAnirudh Venkataramanan 3975153a18eSAnirudh Venkataramanan /** 39837bb8390SAnirudh Venkataramanan * ice_vsi_alloc - Allocates the next available struct VSI in the PF 39937bb8390SAnirudh Venkataramanan * @pf: board private structure 4006dae8aa0SBruce Allan * @vsi_type: type of VSI 401f9867df6SAnirudh Venkataramanan * @vf_id: ID of the VF being configured 40237bb8390SAnirudh Venkataramanan * 40337bb8390SAnirudh Venkataramanan * returns a pointer to a VSI on success, NULL on failure. 40437bb8390SAnirudh Venkataramanan */ 4055743020dSAkeem G Abodunrin static struct ice_vsi * 4066dae8aa0SBruce Allan ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type vsi_type, u16 vf_id) 40737bb8390SAnirudh Venkataramanan { 4084015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 40937bb8390SAnirudh Venkataramanan struct ice_vsi *vsi = NULL; 41037bb8390SAnirudh Venkataramanan 41137bb8390SAnirudh Venkataramanan /* Need to protect the allocation of the VSIs at the PF level */ 41237bb8390SAnirudh Venkataramanan mutex_lock(&pf->sw_mutex); 41337bb8390SAnirudh Venkataramanan 41437bb8390SAnirudh Venkataramanan /* If we have already allocated our maximum number of VSIs, 41537bb8390SAnirudh Venkataramanan * pf->next_vsi will be ICE_NO_VSI. If not, pf->next_vsi index 41637bb8390SAnirudh Venkataramanan * is available to be populated 41737bb8390SAnirudh Venkataramanan */ 41837bb8390SAnirudh Venkataramanan if (pf->next_vsi == ICE_NO_VSI) { 4194015d11eSBrett Creeley dev_dbg(dev, "out of VSI slots!\n"); 42037bb8390SAnirudh Venkataramanan goto unlock_pf; 42137bb8390SAnirudh Venkataramanan } 42237bb8390SAnirudh Venkataramanan 4234015d11eSBrett Creeley vsi = devm_kzalloc(dev, sizeof(*vsi), GFP_KERNEL); 42437bb8390SAnirudh Venkataramanan if (!vsi) 42537bb8390SAnirudh Venkataramanan goto unlock_pf; 42637bb8390SAnirudh Venkataramanan 4276dae8aa0SBruce Allan vsi->type = vsi_type; 42837bb8390SAnirudh Venkataramanan vsi->back = pf; 429e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_DOWN, vsi->state); 4309d56b7fdSJesse Brandeburg 4316dae8aa0SBruce Allan if (vsi_type == ICE_VSI_VF) 4325743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, vf_id); 4335743020dSAkeem G Abodunrin else 4345743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID); 43537bb8390SAnirudh Venkataramanan 43637bb8390SAnirudh Venkataramanan switch (vsi->type) { 43737bb8390SAnirudh Venkataramanan case ICE_VSI_PF: 438a85a3847SBrett Creeley if (ice_vsi_alloc_arrays(vsi)) 43937bb8390SAnirudh Venkataramanan goto err_rings; 44037bb8390SAnirudh Venkataramanan 44137bb8390SAnirudh Venkataramanan /* Setup default MSIX irq handler for VSI */ 44237bb8390SAnirudh Venkataramanan vsi->irq_handler = ice_msix_clean_rings; 44337bb8390SAnirudh Venkataramanan break; 444148beb61SHenry Tieman case ICE_VSI_CTRL: 445148beb61SHenry Tieman if (ice_vsi_alloc_arrays(vsi)) 446148beb61SHenry Tieman goto err_rings; 447148beb61SHenry Tieman 448148beb61SHenry Tieman /* Setup ctrl VSI MSIX irq handler */ 449148beb61SHenry Tieman vsi->irq_handler = ice_msix_clean_ctrl_vsi; 450148beb61SHenry Tieman break; 4518ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 452a85a3847SBrett Creeley if (ice_vsi_alloc_arrays(vsi)) 4538ede0178SAnirudh Venkataramanan goto err_rings; 4548ede0178SAnirudh Venkataramanan break; 4550e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 4560e674aebSAnirudh Venkataramanan if (ice_vsi_alloc_arrays(vsi)) 4570e674aebSAnirudh Venkataramanan goto err_rings; 4580e674aebSAnirudh Venkataramanan break; 45937bb8390SAnirudh Venkataramanan default: 4604015d11eSBrett Creeley dev_warn(dev, "Unknown VSI type %d\n", vsi->type); 46137bb8390SAnirudh Venkataramanan goto unlock_pf; 46237bb8390SAnirudh Venkataramanan } 46337bb8390SAnirudh Venkataramanan 464da62c5ffSQi Zhang if (vsi->type == ICE_VSI_CTRL && vf_id == ICE_INVAL_VFID) { 465da62c5ffSQi Zhang /* Use the last VSI slot as the index for PF control VSI */ 466148beb61SHenry Tieman vsi->idx = pf->num_alloc_vsi - 1; 467148beb61SHenry Tieman pf->ctrl_vsi_idx = vsi->idx; 468148beb61SHenry Tieman pf->vsi[vsi->idx] = vsi; 469148beb61SHenry Tieman } else { 470148beb61SHenry Tieman /* fill slot and make note of the index */ 471148beb61SHenry Tieman vsi->idx = pf->next_vsi; 47237bb8390SAnirudh Venkataramanan pf->vsi[pf->next_vsi] = vsi; 47337bb8390SAnirudh Venkataramanan 47437bb8390SAnirudh Venkataramanan /* prepare pf->next_vsi for next use */ 47537bb8390SAnirudh Venkataramanan pf->next_vsi = ice_get_free_slot(pf->vsi, pf->num_alloc_vsi, 47637bb8390SAnirudh Venkataramanan pf->next_vsi); 477148beb61SHenry Tieman } 478da62c5ffSQi Zhang 479da62c5ffSQi Zhang if (vsi->type == ICE_VSI_CTRL && vf_id != ICE_INVAL_VFID) 480da62c5ffSQi Zhang pf->vf[vf_id].ctrl_vsi_idx = vsi->idx; 48137bb8390SAnirudh Venkataramanan goto unlock_pf; 48237bb8390SAnirudh Venkataramanan 48337bb8390SAnirudh Venkataramanan err_rings: 4844015d11eSBrett Creeley devm_kfree(dev, vsi); 48537bb8390SAnirudh Venkataramanan vsi = NULL; 48637bb8390SAnirudh Venkataramanan unlock_pf: 48737bb8390SAnirudh Venkataramanan mutex_unlock(&pf->sw_mutex); 48837bb8390SAnirudh Venkataramanan return vsi; 48937bb8390SAnirudh Venkataramanan } 49037bb8390SAnirudh Venkataramanan 49137bb8390SAnirudh Venkataramanan /** 492148beb61SHenry Tieman * ice_alloc_fd_res - Allocate FD resource for a VSI 493148beb61SHenry Tieman * @vsi: pointer to the ice_vsi 494148beb61SHenry Tieman * 495148beb61SHenry Tieman * This allocates the FD resources 496148beb61SHenry Tieman * 497148beb61SHenry Tieman * Returns 0 on success, -EPERM on no-op or -EIO on failure 498148beb61SHenry Tieman */ 499148beb61SHenry Tieman static int ice_alloc_fd_res(struct ice_vsi *vsi) 500148beb61SHenry Tieman { 501148beb61SHenry Tieman struct ice_pf *pf = vsi->back; 502148beb61SHenry Tieman u32 g_val, b_val; 503148beb61SHenry Tieman 504148beb61SHenry Tieman /* Flow Director filters are only allocated/assigned to the PF VSI which 505148beb61SHenry Tieman * passes the traffic. The CTRL VSI is only used to add/delete filters 506148beb61SHenry Tieman * so we don't allocate resources to it 507148beb61SHenry Tieman */ 508148beb61SHenry Tieman 509148beb61SHenry Tieman /* FD filters from guaranteed pool per VSI */ 510148beb61SHenry Tieman g_val = pf->hw.func_caps.fd_fltr_guar; 511148beb61SHenry Tieman if (!g_val) 512148beb61SHenry Tieman return -EPERM; 513148beb61SHenry Tieman 514148beb61SHenry Tieman /* FD filters from best effort pool */ 515148beb61SHenry Tieman b_val = pf->hw.func_caps.fd_fltr_best_effort; 516148beb61SHenry Tieman if (!b_val) 517148beb61SHenry Tieman return -EPERM; 518148beb61SHenry Tieman 519da62c5ffSQi Zhang if (!(vsi->type == ICE_VSI_PF || vsi->type == ICE_VSI_VF)) 520148beb61SHenry Tieman return -EPERM; 521148beb61SHenry Tieman 522148beb61SHenry Tieman if (!test_bit(ICE_FLAG_FD_ENA, pf->flags)) 523148beb61SHenry Tieman return -EPERM; 524148beb61SHenry Tieman 525148beb61SHenry Tieman vsi->num_gfltr = g_val / pf->num_alloc_vsi; 526148beb61SHenry Tieman 527148beb61SHenry Tieman /* each VSI gets same "best_effort" quota */ 528148beb61SHenry Tieman vsi->num_bfltr = b_val; 529148beb61SHenry Tieman 530da62c5ffSQi Zhang if (vsi->type == ICE_VSI_VF) { 531da62c5ffSQi Zhang vsi->num_gfltr = 0; 532da62c5ffSQi Zhang 533da62c5ffSQi Zhang /* each VSI gets same "best_effort" quota */ 534da62c5ffSQi Zhang vsi->num_bfltr = b_val; 535da62c5ffSQi Zhang } 536da62c5ffSQi Zhang 537148beb61SHenry Tieman return 0; 538148beb61SHenry Tieman } 539148beb61SHenry Tieman 540148beb61SHenry Tieman /** 541df0f8479SAnirudh Venkataramanan * ice_vsi_get_qs - Assign queues from PF to VSI 542df0f8479SAnirudh Venkataramanan * @vsi: the VSI to assign queues to 543df0f8479SAnirudh Venkataramanan * 544df0f8479SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 545df0f8479SAnirudh Venkataramanan */ 54637bb8390SAnirudh Venkataramanan static int ice_vsi_get_qs(struct ice_vsi *vsi) 547df0f8479SAnirudh Venkataramanan { 54803f7a986SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 54903f7a986SAnirudh Venkataramanan struct ice_qs_cfg tx_qs_cfg = { 55003f7a986SAnirudh Venkataramanan .qs_mutex = &pf->avail_q_mutex, 55103f7a986SAnirudh Venkataramanan .pf_map = pf->avail_txqs, 55278b5713aSAnirudh Venkataramanan .pf_map_size = pf->max_pf_txqs, 55303f7a986SAnirudh Venkataramanan .q_count = vsi->alloc_txq, 55403f7a986SAnirudh Venkataramanan .scatter_count = ICE_MAX_SCATTER_TXQS, 55503f7a986SAnirudh Venkataramanan .vsi_map = vsi->txq_map, 55603f7a986SAnirudh Venkataramanan .vsi_map_offset = 0, 55739066dc5SBrett Creeley .mapping_mode = ICE_VSI_MAP_CONTIG 55803f7a986SAnirudh Venkataramanan }; 55903f7a986SAnirudh Venkataramanan struct ice_qs_cfg rx_qs_cfg = { 56003f7a986SAnirudh Venkataramanan .qs_mutex = &pf->avail_q_mutex, 56103f7a986SAnirudh Venkataramanan .pf_map = pf->avail_rxqs, 56278b5713aSAnirudh Venkataramanan .pf_map_size = pf->max_pf_rxqs, 56303f7a986SAnirudh Venkataramanan .q_count = vsi->alloc_rxq, 56403f7a986SAnirudh Venkataramanan .scatter_count = ICE_MAX_SCATTER_RXQS, 56503f7a986SAnirudh Venkataramanan .vsi_map = vsi->rxq_map, 56603f7a986SAnirudh Venkataramanan .vsi_map_offset = 0, 56739066dc5SBrett Creeley .mapping_mode = ICE_VSI_MAP_CONTIG 56803f7a986SAnirudh Venkataramanan }; 56939066dc5SBrett Creeley int ret; 570df0f8479SAnirudh Venkataramanan 57103f7a986SAnirudh Venkataramanan ret = __ice_vsi_get_qs(&tx_qs_cfg); 57239066dc5SBrett Creeley if (ret) 573df0f8479SAnirudh Venkataramanan return ret; 57439066dc5SBrett Creeley vsi->tx_mapping_mode = tx_qs_cfg.mapping_mode; 57539066dc5SBrett Creeley 57639066dc5SBrett Creeley ret = __ice_vsi_get_qs(&rx_qs_cfg); 57739066dc5SBrett Creeley if (ret) 57839066dc5SBrett Creeley return ret; 57939066dc5SBrett Creeley vsi->rx_mapping_mode = rx_qs_cfg.mapping_mode; 58039066dc5SBrett Creeley 58139066dc5SBrett Creeley return 0; 582df0f8479SAnirudh Venkataramanan } 583df0f8479SAnirudh Venkataramanan 584df0f8479SAnirudh Venkataramanan /** 5855153a18eSAnirudh Venkataramanan * ice_vsi_put_qs - Release queues from VSI to PF 5865153a18eSAnirudh Venkataramanan * @vsi: the VSI that is going to release queues 5875153a18eSAnirudh Venkataramanan */ 588135f4b9eSJacob Keller static void ice_vsi_put_qs(struct ice_vsi *vsi) 5895153a18eSAnirudh Venkataramanan { 5905153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 5915153a18eSAnirudh Venkataramanan int i; 5925153a18eSAnirudh Venkataramanan 5935153a18eSAnirudh Venkataramanan mutex_lock(&pf->avail_q_mutex); 5945153a18eSAnirudh Venkataramanan 5955153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 5965153a18eSAnirudh Venkataramanan clear_bit(vsi->txq_map[i], pf->avail_txqs); 5975153a18eSAnirudh Venkataramanan vsi->txq_map[i] = ICE_INVAL_Q_INDEX; 5985153a18eSAnirudh Venkataramanan } 5995153a18eSAnirudh Venkataramanan 6005153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 6015153a18eSAnirudh Venkataramanan clear_bit(vsi->rxq_map[i], pf->avail_rxqs); 6025153a18eSAnirudh Venkataramanan vsi->rxq_map[i] = ICE_INVAL_Q_INDEX; 6035153a18eSAnirudh Venkataramanan } 6045153a18eSAnirudh Venkataramanan 6055153a18eSAnirudh Venkataramanan mutex_unlock(&pf->avail_q_mutex); 6065153a18eSAnirudh Venkataramanan } 6075153a18eSAnirudh Venkataramanan 6085153a18eSAnirudh Venkataramanan /** 609462acf6aSTony Nguyen * ice_is_safe_mode 610462acf6aSTony Nguyen * @pf: pointer to the PF struct 611462acf6aSTony Nguyen * 612462acf6aSTony Nguyen * returns true if driver is in safe mode, false otherwise 613462acf6aSTony Nguyen */ 614462acf6aSTony Nguyen bool ice_is_safe_mode(struct ice_pf *pf) 615462acf6aSTony Nguyen { 616462acf6aSTony Nguyen return !test_bit(ICE_FLAG_ADV_FEATURES, pf->flags); 617462acf6aSTony Nguyen } 618462acf6aSTony Nguyen 619462acf6aSTony Nguyen /** 620d25a0fc4SDave Ertman * ice_is_aux_ena 621d25a0fc4SDave Ertman * @pf: pointer to the PF struct 622d25a0fc4SDave Ertman * 623d25a0fc4SDave Ertman * returns true if AUX devices/drivers are supported, false otherwise 624d25a0fc4SDave Ertman */ 625d25a0fc4SDave Ertman bool ice_is_aux_ena(struct ice_pf *pf) 626d25a0fc4SDave Ertman { 627d25a0fc4SDave Ertman return test_bit(ICE_FLAG_AUX_ENA, pf->flags); 628d25a0fc4SDave Ertman } 629d25a0fc4SDave Ertman 630d25a0fc4SDave Ertman /** 6312c61054cSTony Nguyen * ice_vsi_clean_rss_flow_fld - Delete RSS configuration 6322c61054cSTony Nguyen * @vsi: the VSI being cleaned up 6332c61054cSTony Nguyen * 6342c61054cSTony Nguyen * This function deletes RSS input set for all flows that were configured 6352c61054cSTony Nguyen * for this VSI 6362c61054cSTony Nguyen */ 6372c61054cSTony Nguyen static void ice_vsi_clean_rss_flow_fld(struct ice_vsi *vsi) 6382c61054cSTony Nguyen { 6392c61054cSTony Nguyen struct ice_pf *pf = vsi->back; 6402c61054cSTony Nguyen enum ice_status status; 6412c61054cSTony Nguyen 6422c61054cSTony Nguyen if (ice_is_safe_mode(pf)) 6432c61054cSTony Nguyen return; 6442c61054cSTony Nguyen 6452c61054cSTony Nguyen status = ice_rem_vsi_rss_cfg(&pf->hw, vsi->idx); 6462c61054cSTony Nguyen if (status) 6470fee3577SLihong Yang dev_dbg(ice_pf_to_dev(pf), "ice_rem_vsi_rss_cfg failed for vsi = %d, error = %s\n", 6480fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 6492c61054cSTony Nguyen } 6502c61054cSTony Nguyen 6512c61054cSTony Nguyen /** 6522c61054cSTony Nguyen * ice_rss_clean - Delete RSS related VSI structures and configuration 653df0f8479SAnirudh Venkataramanan * @vsi: the VSI being removed 654df0f8479SAnirudh Venkataramanan */ 655df0f8479SAnirudh Venkataramanan static void ice_rss_clean(struct ice_vsi *vsi) 656df0f8479SAnirudh Venkataramanan { 6574015d11eSBrett Creeley struct ice_pf *pf = vsi->back; 6584015d11eSBrett Creeley struct device *dev; 659df0f8479SAnirudh Venkataramanan 6604015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 661df0f8479SAnirudh Venkataramanan 662df0f8479SAnirudh Venkataramanan if (vsi->rss_hkey_user) 6634015d11eSBrett Creeley devm_kfree(dev, vsi->rss_hkey_user); 664df0f8479SAnirudh Venkataramanan if (vsi->rss_lut_user) 6654015d11eSBrett Creeley devm_kfree(dev, vsi->rss_lut_user); 6662c61054cSTony Nguyen 6672c61054cSTony Nguyen ice_vsi_clean_rss_flow_fld(vsi); 6682c61054cSTony Nguyen /* remove RSS replay list */ 6692c61054cSTony Nguyen if (!ice_is_safe_mode(pf)) 6702c61054cSTony Nguyen ice_rem_vsi_rss_list(&pf->hw, vsi->idx); 671df0f8479SAnirudh Venkataramanan } 672df0f8479SAnirudh Venkataramanan 673df0f8479SAnirudh Venkataramanan /** 67428c2a645SAnirudh Venkataramanan * ice_vsi_set_rss_params - Setup RSS capabilities per VSI type 67528c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 67628c2a645SAnirudh Venkataramanan */ 67737bb8390SAnirudh Venkataramanan static void ice_vsi_set_rss_params(struct ice_vsi *vsi) 67828c2a645SAnirudh Venkataramanan { 67928c2a645SAnirudh Venkataramanan struct ice_hw_common_caps *cap; 68028c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 68128c2a645SAnirudh Venkataramanan 68228c2a645SAnirudh Venkataramanan if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 68328c2a645SAnirudh Venkataramanan vsi->rss_size = 1; 68428c2a645SAnirudh Venkataramanan return; 68528c2a645SAnirudh Venkataramanan } 68628c2a645SAnirudh Venkataramanan 68728c2a645SAnirudh Venkataramanan cap = &pf->hw.func_caps.common_cap; 68828c2a645SAnirudh Venkataramanan switch (vsi->type) { 68928c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 69028c2a645SAnirudh Venkataramanan /* PF VSI will inherit RSS instance of PF */ 69188865fc4SKarol Kolacinski vsi->rss_table_size = (u16)cap->rss_table_size; 69288865fc4SKarol Kolacinski vsi->rss_size = min_t(u16, num_online_cpus(), 69328c2a645SAnirudh Venkataramanan BIT(cap->rss_table_entry_width)); 69428c2a645SAnirudh Venkataramanan vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF; 69528c2a645SAnirudh Venkataramanan break; 6968ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 6970ca469fbSMitch Williams /* VF VSI will get a small RSS table. 6980ca469fbSMitch Williams * For VSI_LUT, LUT size should be set to 64 bytes. 6998ede0178SAnirudh Venkataramanan */ 7008ede0178SAnirudh Venkataramanan vsi->rss_table_size = ICE_VSIQF_HLUT_ARRAY_SIZE; 7010ca469fbSMitch Williams vsi->rss_size = ICE_MAX_RSS_QS_PER_VF; 7028ede0178SAnirudh Venkataramanan vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI; 7038ede0178SAnirudh Venkataramanan break; 7040e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 7050e674aebSAnirudh Venkataramanan break; 70628c2a645SAnirudh Venkataramanan default: 707148beb61SHenry Tieman dev_dbg(ice_pf_to_dev(pf), "Unsupported VSI type %s\n", 708148beb61SHenry Tieman ice_vsi_type_str(vsi->type)); 70928c2a645SAnirudh Venkataramanan break; 71028c2a645SAnirudh Venkataramanan } 71128c2a645SAnirudh Venkataramanan } 71228c2a645SAnirudh Venkataramanan 71328c2a645SAnirudh Venkataramanan /** 71428c2a645SAnirudh Venkataramanan * ice_set_dflt_vsi_ctx - Set default VSI context before adding a VSI 71528c2a645SAnirudh Venkataramanan * @ctxt: the VSI context being set 71628c2a645SAnirudh Venkataramanan * 71728c2a645SAnirudh Venkataramanan * This initializes a default VSI context for all sections except the Queues. 71828c2a645SAnirudh Venkataramanan */ 71928c2a645SAnirudh Venkataramanan static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt) 72028c2a645SAnirudh Venkataramanan { 72128c2a645SAnirudh Venkataramanan u32 table = 0; 72228c2a645SAnirudh Venkataramanan 72328c2a645SAnirudh Venkataramanan memset(&ctxt->info, 0, sizeof(ctxt->info)); 72428c2a645SAnirudh Venkataramanan /* VSI's should be allocated from shared pool */ 72528c2a645SAnirudh Venkataramanan ctxt->alloc_from_pool = true; 72628c2a645SAnirudh Venkataramanan /* Src pruning enabled by default */ 72728c2a645SAnirudh Venkataramanan ctxt->info.sw_flags = ICE_AQ_VSI_SW_FLAG_SRC_PRUNE; 72828c2a645SAnirudh Venkataramanan /* Traffic from VSI can be sent to LAN */ 72928c2a645SAnirudh Venkataramanan ctxt->info.sw_flags2 = ICE_AQ_VSI_SW_FLAG_LAN_ENA; 73028c2a645SAnirudh Venkataramanan /* By default bits 3 and 4 in vlan_flags are 0's which results in legacy 73128c2a645SAnirudh Venkataramanan * behavior (show VLAN, DEI, and UP) in descriptor. Also, allow all 73228c2a645SAnirudh Venkataramanan * packets untagged/tagged. 73328c2a645SAnirudh Venkataramanan */ 73428c2a645SAnirudh Venkataramanan ctxt->info.vlan_flags = ((ICE_AQ_VSI_VLAN_MODE_ALL & 73528c2a645SAnirudh Venkataramanan ICE_AQ_VSI_VLAN_MODE_M) >> 73628c2a645SAnirudh Venkataramanan ICE_AQ_VSI_VLAN_MODE_S); 73728c2a645SAnirudh Venkataramanan /* Have 1:1 UP mapping for both ingress/egress tables */ 73828c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(0, 0); 73928c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(1, 1); 74028c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(2, 2); 74128c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(3, 3); 74228c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(4, 4); 74328c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(5, 5); 74428c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(6, 6); 74528c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(7, 7); 74628c2a645SAnirudh Venkataramanan ctxt->info.ingress_table = cpu_to_le32(table); 74728c2a645SAnirudh Venkataramanan ctxt->info.egress_table = cpu_to_le32(table); 74828c2a645SAnirudh Venkataramanan /* Have 1:1 UP mapping for outer to inner UP table */ 74928c2a645SAnirudh Venkataramanan ctxt->info.outer_up_table = cpu_to_le32(table); 75028c2a645SAnirudh Venkataramanan /* No Outer tag support outer_tag_flags remains to zero */ 75128c2a645SAnirudh Venkataramanan } 75228c2a645SAnirudh Venkataramanan 75328c2a645SAnirudh Venkataramanan /** 75428c2a645SAnirudh Venkataramanan * ice_vsi_setup_q_map - Setup a VSI queue map 75528c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 75628c2a645SAnirudh Venkataramanan * @ctxt: VSI context structure 75728c2a645SAnirudh Venkataramanan */ 75828c2a645SAnirudh Venkataramanan static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) 75928c2a645SAnirudh Venkataramanan { 7608134d5ffSBrett Creeley u16 offset = 0, qmap = 0, tx_count = 0, pow = 0; 7618134d5ffSBrett Creeley u16 num_txq_per_tc, num_rxq_per_tc; 76228c2a645SAnirudh Venkataramanan u16 qcount_tx = vsi->alloc_txq; 76328c2a645SAnirudh Venkataramanan u16 qcount_rx = vsi->alloc_rxq; 76428c2a645SAnirudh Venkataramanan bool ena_tc0 = false; 765c5a2a4a3SUsha Ketineni u8 netdev_tc = 0; 76628c2a645SAnirudh Venkataramanan int i; 76728c2a645SAnirudh Venkataramanan 76828c2a645SAnirudh Venkataramanan /* at least TC0 should be enabled by default */ 76928c2a645SAnirudh Venkataramanan if (vsi->tc_cfg.numtc) { 77028c2a645SAnirudh Venkataramanan if (!(vsi->tc_cfg.ena_tc & BIT(0))) 77128c2a645SAnirudh Venkataramanan ena_tc0 = true; 77228c2a645SAnirudh Venkataramanan } else { 77328c2a645SAnirudh Venkataramanan ena_tc0 = true; 77428c2a645SAnirudh Venkataramanan } 77528c2a645SAnirudh Venkataramanan 77628c2a645SAnirudh Venkataramanan if (ena_tc0) { 77728c2a645SAnirudh Venkataramanan vsi->tc_cfg.numtc++; 77828c2a645SAnirudh Venkataramanan vsi->tc_cfg.ena_tc |= 1; 77928c2a645SAnirudh Venkataramanan } 78028c2a645SAnirudh Venkataramanan 7818134d5ffSBrett Creeley num_rxq_per_tc = min_t(u16, qcount_rx / vsi->tc_cfg.numtc, ICE_MAX_RXQS_PER_TC); 7828134d5ffSBrett Creeley if (!num_rxq_per_tc) 7838134d5ffSBrett Creeley num_rxq_per_tc = 1; 7848134d5ffSBrett Creeley num_txq_per_tc = qcount_tx / vsi->tc_cfg.numtc; 7858134d5ffSBrett Creeley if (!num_txq_per_tc) 7868134d5ffSBrett Creeley num_txq_per_tc = 1; 7878134d5ffSBrett Creeley 7888134d5ffSBrett Creeley /* find the (rounded up) power-of-2 of qcount */ 7898134d5ffSBrett Creeley pow = (u16)order_base_2(num_rxq_per_tc); 79028c2a645SAnirudh Venkataramanan 79128c2a645SAnirudh Venkataramanan /* TC mapping is a function of the number of Rx queues assigned to the 79228c2a645SAnirudh Venkataramanan * VSI for each traffic class and the offset of these queues. 79328c2a645SAnirudh Venkataramanan * The first 10 bits are for queue offset for TC0, next 4 bits for no:of 79428c2a645SAnirudh Venkataramanan * queues allocated to TC0. No:of queues is a power-of-2. 79528c2a645SAnirudh Venkataramanan * 79628c2a645SAnirudh Venkataramanan * If TC is not enabled, the queue offset is set to 0, and allocate one 79728c2a645SAnirudh Venkataramanan * queue, this way, traffic for the given TC will be sent to the default 79828c2a645SAnirudh Venkataramanan * queue. 79928c2a645SAnirudh Venkataramanan * 80028c2a645SAnirudh Venkataramanan * Setup number and offset of Rx queues for all TCs for the VSI 80128c2a645SAnirudh Venkataramanan */ 8022bdc97beSBruce Allan ice_for_each_traffic_class(i) { 80328c2a645SAnirudh Venkataramanan if (!(vsi->tc_cfg.ena_tc & BIT(i))) { 80428c2a645SAnirudh Venkataramanan /* TC is not enabled */ 80528c2a645SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qoffset = 0; 806c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_rx = 1; 807c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_tx = 1; 808c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].netdev_tc = 0; 80928c2a645SAnirudh Venkataramanan ctxt->info.tc_mapping[i] = 0; 81028c2a645SAnirudh Venkataramanan continue; 81128c2a645SAnirudh Venkataramanan } 81228c2a645SAnirudh Venkataramanan 81328c2a645SAnirudh Venkataramanan /* TC is enabled */ 81428c2a645SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qoffset = offset; 8158134d5ffSBrett Creeley vsi->tc_cfg.tc_info[i].qcount_rx = num_rxq_per_tc; 8168134d5ffSBrett Creeley vsi->tc_cfg.tc_info[i].qcount_tx = num_txq_per_tc; 817c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].netdev_tc = netdev_tc++; 81828c2a645SAnirudh Venkataramanan 81928c2a645SAnirudh Venkataramanan qmap = ((offset << ICE_AQ_VSI_TC_Q_OFFSET_S) & 82028c2a645SAnirudh Venkataramanan ICE_AQ_VSI_TC_Q_OFFSET_M) | 82128c2a645SAnirudh Venkataramanan ((pow << ICE_AQ_VSI_TC_Q_NUM_S) & 82228c2a645SAnirudh Venkataramanan ICE_AQ_VSI_TC_Q_NUM_M); 8238134d5ffSBrett Creeley offset += num_rxq_per_tc; 8248134d5ffSBrett Creeley tx_count += num_txq_per_tc; 82528c2a645SAnirudh Venkataramanan ctxt->info.tc_mapping[i] = cpu_to_le16(qmap); 82628c2a645SAnirudh Venkataramanan } 82760dcc39eSKiran Patil 82860dcc39eSKiran Patil /* if offset is non-zero, means it is calculated correctly based on 82960dcc39eSKiran Patil * enabled TCs for a given VSI otherwise qcount_rx will always 83060dcc39eSKiran Patil * be correct and non-zero because it is based off - VSI's 83160dcc39eSKiran Patil * allocated Rx queues which is at least 1 (hence qcount_tx will be 83260dcc39eSKiran Patil * at least 1) 83360dcc39eSKiran Patil */ 83460dcc39eSKiran Patil if (offset) 83528c2a645SAnirudh Venkataramanan vsi->num_rxq = offset; 83660dcc39eSKiran Patil else 8378134d5ffSBrett Creeley vsi->num_rxq = num_rxq_per_tc; 83860dcc39eSKiran Patil 839c5a2a4a3SUsha Ketineni vsi->num_txq = tx_count; 84028c2a645SAnirudh Venkataramanan 8418ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF && vsi->num_txq != vsi->num_rxq) { 8429a946843SAnirudh 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"); 8438ede0178SAnirudh Venkataramanan /* since there is a chance that num_rxq could have been changed 8448ede0178SAnirudh Venkataramanan * in the above for loop, make num_txq equal to num_rxq. 8458ede0178SAnirudh Venkataramanan */ 8468ede0178SAnirudh Venkataramanan vsi->num_txq = vsi->num_rxq; 8478ede0178SAnirudh Venkataramanan } 8488ede0178SAnirudh Venkataramanan 84928c2a645SAnirudh Venkataramanan /* Rx queue mapping */ 85028c2a645SAnirudh Venkataramanan ctxt->info.mapping_flags |= cpu_to_le16(ICE_AQ_VSI_Q_MAP_CONTIG); 85128c2a645SAnirudh Venkataramanan /* q_mapping buffer holds the info for the first queue allocated for 85228c2a645SAnirudh Venkataramanan * this VSI in the PF space and also the number of queues associated 85328c2a645SAnirudh Venkataramanan * with this VSI. 85428c2a645SAnirudh Venkataramanan */ 85528c2a645SAnirudh Venkataramanan ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]); 85628c2a645SAnirudh Venkataramanan ctxt->info.q_mapping[1] = cpu_to_le16(vsi->num_rxq); 85728c2a645SAnirudh Venkataramanan } 85828c2a645SAnirudh Venkataramanan 85928c2a645SAnirudh Venkataramanan /** 860148beb61SHenry Tieman * ice_set_fd_vsi_ctx - Set FD VSI context before adding a VSI 861148beb61SHenry Tieman * @ctxt: the VSI context being set 862148beb61SHenry Tieman * @vsi: the VSI being configured 863148beb61SHenry Tieman */ 864148beb61SHenry Tieman static void ice_set_fd_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi) 865148beb61SHenry Tieman { 866148beb61SHenry Tieman u8 dflt_q_group, dflt_q_prio; 867148beb61SHenry Tieman u16 dflt_q, report_q, val; 868148beb61SHenry Tieman 869da62c5ffSQi Zhang if (vsi->type != ICE_VSI_PF && vsi->type != ICE_VSI_CTRL && 870da62c5ffSQi Zhang vsi->type != ICE_VSI_VF) 871148beb61SHenry Tieman return; 872148beb61SHenry Tieman 873148beb61SHenry Tieman val = ICE_AQ_VSI_PROP_FLOW_DIR_VALID; 874148beb61SHenry Tieman ctxt->info.valid_sections |= cpu_to_le16(val); 875148beb61SHenry Tieman dflt_q = 0; 876148beb61SHenry Tieman dflt_q_group = 0; 877148beb61SHenry Tieman report_q = 0; 878148beb61SHenry Tieman dflt_q_prio = 0; 879148beb61SHenry Tieman 880148beb61SHenry Tieman /* enable flow director filtering/programming */ 881148beb61SHenry Tieman val = ICE_AQ_VSI_FD_ENABLE | ICE_AQ_VSI_FD_PROG_ENABLE; 882148beb61SHenry Tieman ctxt->info.fd_options = cpu_to_le16(val); 883148beb61SHenry Tieman /* max of allocated flow director filters */ 884148beb61SHenry Tieman ctxt->info.max_fd_fltr_dedicated = 885148beb61SHenry Tieman cpu_to_le16(vsi->num_gfltr); 886148beb61SHenry Tieman /* max of shared flow director filters any VSI may program */ 887148beb61SHenry Tieman ctxt->info.max_fd_fltr_shared = 888148beb61SHenry Tieman cpu_to_le16(vsi->num_bfltr); 889148beb61SHenry Tieman /* default queue index within the VSI of the default FD */ 890148beb61SHenry Tieman val = ((dflt_q << ICE_AQ_VSI_FD_DEF_Q_S) & 891148beb61SHenry Tieman ICE_AQ_VSI_FD_DEF_Q_M); 892148beb61SHenry Tieman /* target queue or queue group to the FD filter */ 893148beb61SHenry Tieman val |= ((dflt_q_group << ICE_AQ_VSI_FD_DEF_GRP_S) & 894148beb61SHenry Tieman ICE_AQ_VSI_FD_DEF_GRP_M); 895148beb61SHenry Tieman ctxt->info.fd_def_q = cpu_to_le16(val); 896148beb61SHenry Tieman /* queue index on which FD filter completion is reported */ 897148beb61SHenry Tieman val = ((report_q << ICE_AQ_VSI_FD_REPORT_Q_S) & 898148beb61SHenry Tieman ICE_AQ_VSI_FD_REPORT_Q_M); 899148beb61SHenry Tieman /* priority of the default qindex action */ 900148beb61SHenry Tieman val |= ((dflt_q_prio << ICE_AQ_VSI_FD_DEF_PRIORITY_S) & 901148beb61SHenry Tieman ICE_AQ_VSI_FD_DEF_PRIORITY_M); 902148beb61SHenry Tieman ctxt->info.fd_report_opt = cpu_to_le16(val); 903148beb61SHenry Tieman } 904148beb61SHenry Tieman 905148beb61SHenry Tieman /** 90628c2a645SAnirudh Venkataramanan * ice_set_rss_vsi_ctx - Set RSS VSI context before adding a VSI 90728c2a645SAnirudh Venkataramanan * @ctxt: the VSI context being set 90828c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 90928c2a645SAnirudh Venkataramanan */ 91028c2a645SAnirudh Venkataramanan static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi) 91128c2a645SAnirudh Venkataramanan { 91228c2a645SAnirudh Venkataramanan u8 lut_type, hash_type; 9134015d11eSBrett Creeley struct device *dev; 914819d8998SJesse Brandeburg struct ice_pf *pf; 915819d8998SJesse Brandeburg 916819d8998SJesse Brandeburg pf = vsi->back; 9174015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 91828c2a645SAnirudh Venkataramanan 91928c2a645SAnirudh Venkataramanan switch (vsi->type) { 92028c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 92128c2a645SAnirudh Venkataramanan /* PF VSI will inherit RSS instance of PF */ 92228c2a645SAnirudh Venkataramanan lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_PF; 92328c2a645SAnirudh Venkataramanan hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ; 92428c2a645SAnirudh Venkataramanan break; 9258ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 9268ede0178SAnirudh Venkataramanan /* VF VSI will gets a small RSS table which is a VSI LUT type */ 9278ede0178SAnirudh Venkataramanan lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI; 9288ede0178SAnirudh Venkataramanan hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ; 9298ede0178SAnirudh Venkataramanan break; 930148beb61SHenry Tieman default: 9314015d11eSBrett Creeley dev_dbg(dev, "Unsupported VSI type %s\n", 932964674f1SAnirudh Venkataramanan ice_vsi_type_str(vsi->type)); 9330e674aebSAnirudh Venkataramanan return; 93428c2a645SAnirudh Venkataramanan } 93528c2a645SAnirudh Venkataramanan 93628c2a645SAnirudh Venkataramanan ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) & 93728c2a645SAnirudh Venkataramanan ICE_AQ_VSI_Q_OPT_RSS_LUT_M) | 93828c2a645SAnirudh Venkataramanan ((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) & 93928c2a645SAnirudh Venkataramanan ICE_AQ_VSI_Q_OPT_RSS_HASH_M); 94028c2a645SAnirudh Venkataramanan } 94128c2a645SAnirudh Venkataramanan 94228c2a645SAnirudh Venkataramanan /** 94328c2a645SAnirudh Venkataramanan * ice_vsi_init - Create and initialize a VSI 94428c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 94587324e74SHenry Tieman * @init_vsi: is this call creating a VSI 94628c2a645SAnirudh Venkataramanan * 94728c2a645SAnirudh Venkataramanan * This initializes a VSI context depending on the VSI type to be added and 94828c2a645SAnirudh Venkataramanan * passes it down to the add_vsi aq command to create a new VSI. 94928c2a645SAnirudh Venkataramanan */ 95087324e74SHenry Tieman static int ice_vsi_init(struct ice_vsi *vsi, bool init_vsi) 95128c2a645SAnirudh Venkataramanan { 95228c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 95328c2a645SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 954198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 95587324e74SHenry Tieman struct device *dev; 95628c2a645SAnirudh Venkataramanan int ret = 0; 95728c2a645SAnirudh Venkataramanan 95887324e74SHenry Tieman dev = ice_pf_to_dev(pf); 9599efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 960198a666aSBruce Allan if (!ctxt) 961198a666aSBruce Allan return -ENOMEM; 962198a666aSBruce Allan 96328c2a645SAnirudh Venkataramanan switch (vsi->type) { 964148beb61SHenry Tieman case ICE_VSI_CTRL: 9650e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 96628c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 967198a666aSBruce Allan ctxt->flags = ICE_AQ_VSI_TYPE_PF; 96828c2a645SAnirudh Venkataramanan break; 9698ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 970198a666aSBruce Allan ctxt->flags = ICE_AQ_VSI_TYPE_VF; 9718ede0178SAnirudh Venkataramanan /* VF number here is the absolute VF number (0-255) */ 972198a666aSBruce Allan ctxt->vf_num = vsi->vf_id + hw->func_caps.vf_base_id; 9738ede0178SAnirudh Venkataramanan break; 97428c2a645SAnirudh Venkataramanan default: 9759efe35d0STony Nguyen ret = -ENODEV; 9769efe35d0STony Nguyen goto out; 97728c2a645SAnirudh Venkataramanan } 97828c2a645SAnirudh Venkataramanan 979198a666aSBruce Allan ice_set_dflt_vsi_ctx(ctxt); 980148beb61SHenry Tieman if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) 981148beb61SHenry Tieman ice_set_fd_vsi_ctx(ctxt, vsi); 98228c2a645SAnirudh Venkataramanan /* if the switch is in VEB mode, allow VSI loopback */ 98328c2a645SAnirudh Venkataramanan if (vsi->vsw->bridge_mode == BRIDGE_MODE_VEB) 984198a666aSBruce Allan ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB; 98528c2a645SAnirudh Venkataramanan 98628c2a645SAnirudh Venkataramanan /* Set LUT type and HASH type if RSS is enabled */ 987148beb61SHenry Tieman if (test_bit(ICE_FLAG_RSS_ENA, pf->flags) && 988148beb61SHenry Tieman vsi->type != ICE_VSI_CTRL) { 989198a666aSBruce Allan ice_set_rss_vsi_ctx(ctxt, vsi); 99087324e74SHenry Tieman /* if updating VSI context, make sure to set valid_section: 99187324e74SHenry Tieman * to indicate which section of VSI context being updated 99287324e74SHenry Tieman */ 99387324e74SHenry Tieman if (!init_vsi) 99487324e74SHenry Tieman ctxt->info.valid_sections |= 99587324e74SHenry Tieman cpu_to_le16(ICE_AQ_VSI_PROP_Q_OPT_VALID); 99687324e74SHenry Tieman } 99728c2a645SAnirudh Venkataramanan 998198a666aSBruce Allan ctxt->info.sw_id = vsi->port_info->sw_id; 999198a666aSBruce Allan ice_vsi_setup_q_map(vsi, ctxt); 100087324e74SHenry Tieman if (!init_vsi) /* means VSI being updated */ 100187324e74SHenry Tieman /* must to indicate which section of VSI context are 100287324e74SHenry Tieman * being modified 100387324e74SHenry Tieman */ 100487324e74SHenry Tieman ctxt->info.valid_sections |= 100587324e74SHenry Tieman cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID); 100628c2a645SAnirudh Venkataramanan 1007cd6d6b83SBrett Creeley /* enable/disable MAC and VLAN anti-spoof when spoofchk is on/off 1008cd6d6b83SBrett Creeley * respectively 1009cd6d6b83SBrett Creeley */ 1010cd6d6b83SBrett Creeley if (vsi->type == ICE_VSI_VF) { 1011cb93a952SAkeem G Abodunrin ctxt->info.valid_sections |= 1012cb93a952SAkeem G Abodunrin cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); 1013cd6d6b83SBrett Creeley if (pf->vf[vsi->vf_id].spoofchk) { 1014cb93a952SAkeem G Abodunrin ctxt->info.sec_flags |= 1015cd6d6b83SBrett Creeley ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF | 1016cd6d6b83SBrett Creeley (ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 1017cd6d6b83SBrett Creeley ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S); 1018cd6d6b83SBrett Creeley } else { 1019cd6d6b83SBrett Creeley ctxt->info.sec_flags &= 1020cd6d6b83SBrett Creeley ~(ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF | 1021cd6d6b83SBrett Creeley (ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 1022cd6d6b83SBrett Creeley ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S)); 1023cd6d6b83SBrett Creeley } 1024cb93a952SAkeem G Abodunrin } 1025cb93a952SAkeem G Abodunrin 10260c3a6101SDave Ertman /* Allow control frames out of main VSI */ 10270c3a6101SDave Ertman if (vsi->type == ICE_VSI_PF) { 10280c3a6101SDave Ertman ctxt->info.sec_flags |= ICE_AQ_VSI_SEC_FLAG_ALLOW_DEST_OVRD; 10290c3a6101SDave Ertman ctxt->info.valid_sections |= 10300c3a6101SDave Ertman cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); 10310c3a6101SDave Ertman } 10320c3a6101SDave Ertman 103387324e74SHenry Tieman if (init_vsi) { 1034198a666aSBruce Allan ret = ice_add_vsi(hw, vsi->idx, ctxt, NULL); 103528c2a645SAnirudh Venkataramanan if (ret) { 103687324e74SHenry Tieman dev_err(dev, "Add VSI failed, err %d\n", ret); 10379efe35d0STony Nguyen ret = -EIO; 10389efe35d0STony Nguyen goto out; 103928c2a645SAnirudh Venkataramanan } 104087324e74SHenry Tieman } else { 104187324e74SHenry Tieman ret = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 104287324e74SHenry Tieman if (ret) { 104387324e74SHenry Tieman dev_err(dev, "Update VSI failed, err %d\n", ret); 104487324e74SHenry Tieman ret = -EIO; 104587324e74SHenry Tieman goto out; 104687324e74SHenry Tieman } 104787324e74SHenry Tieman } 104828c2a645SAnirudh Venkataramanan 104928c2a645SAnirudh Venkataramanan /* keep context for update VSI operations */ 1050198a666aSBruce Allan vsi->info = ctxt->info; 105128c2a645SAnirudh Venkataramanan 105228c2a645SAnirudh Venkataramanan /* record VSI number returned */ 1053198a666aSBruce Allan vsi->vsi_num = ctxt->vsi_num; 105428c2a645SAnirudh Venkataramanan 10559efe35d0STony Nguyen out: 10569efe35d0STony Nguyen kfree(ctxt); 105728c2a645SAnirudh Venkataramanan return ret; 105828c2a645SAnirudh Venkataramanan } 105928c2a645SAnirudh Venkataramanan 106028c2a645SAnirudh Venkataramanan /** 106146c276ceSBrett Creeley * ice_free_res - free a block of resources 106246c276ceSBrett Creeley * @res: pointer to the resource 106346c276ceSBrett Creeley * @index: starting index previously returned by ice_get_res 106446c276ceSBrett Creeley * @id: identifier to track owner 106546c276ceSBrett Creeley * 106646c276ceSBrett Creeley * Returns number of resources freed 106746c276ceSBrett Creeley */ 106846c276ceSBrett Creeley int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id) 106946c276ceSBrett Creeley { 107046c276ceSBrett Creeley int count = 0; 107146c276ceSBrett Creeley int i; 107246c276ceSBrett Creeley 107346c276ceSBrett Creeley if (!res || index >= res->end) 107446c276ceSBrett Creeley return -EINVAL; 107546c276ceSBrett Creeley 107646c276ceSBrett Creeley id |= ICE_RES_VALID_BIT; 107746c276ceSBrett Creeley for (i = index; i < res->end && res->list[i] == id; i++) { 107846c276ceSBrett Creeley res->list[i] = 0; 107946c276ceSBrett Creeley count++; 108046c276ceSBrett Creeley } 108146c276ceSBrett Creeley 108246c276ceSBrett Creeley return count; 108346c276ceSBrett Creeley } 108446c276ceSBrett Creeley 108546c276ceSBrett Creeley /** 108646c276ceSBrett Creeley * ice_search_res - Search the tracker for a block of resources 108746c276ceSBrett Creeley * @res: pointer to the resource 108846c276ceSBrett Creeley * @needed: size of the block needed 108946c276ceSBrett Creeley * @id: identifier to track owner 109046c276ceSBrett Creeley * 109146c276ceSBrett Creeley * Returns the base item index of the block, or -ENOMEM for error 109246c276ceSBrett Creeley */ 109346c276ceSBrett Creeley static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id) 109446c276ceSBrett Creeley { 109588865fc4SKarol Kolacinski u16 start = 0, end = 0; 109646c276ceSBrett Creeley 109746c276ceSBrett Creeley if (needed > res->end) 109846c276ceSBrett Creeley return -ENOMEM; 109946c276ceSBrett Creeley 110046c276ceSBrett Creeley id |= ICE_RES_VALID_BIT; 110146c276ceSBrett Creeley 110246c276ceSBrett Creeley do { 110346c276ceSBrett Creeley /* skip already allocated entries */ 110446c276ceSBrett Creeley if (res->list[end++] & ICE_RES_VALID_BIT) { 110546c276ceSBrett Creeley start = end; 110646c276ceSBrett Creeley if ((start + needed) > res->end) 110746c276ceSBrett Creeley break; 110846c276ceSBrett Creeley } 110946c276ceSBrett Creeley 111046c276ceSBrett Creeley if (end == (start + needed)) { 111146c276ceSBrett Creeley int i = start; 111246c276ceSBrett Creeley 111346c276ceSBrett Creeley /* there was enough, so assign it to the requestor */ 111446c276ceSBrett Creeley while (i != end) 111546c276ceSBrett Creeley res->list[i++] = id; 111646c276ceSBrett Creeley 111746c276ceSBrett Creeley return start; 111846c276ceSBrett Creeley } 111946c276ceSBrett Creeley } while (end < res->end); 112046c276ceSBrett Creeley 112146c276ceSBrett Creeley return -ENOMEM; 112246c276ceSBrett Creeley } 112346c276ceSBrett Creeley 112446c276ceSBrett Creeley /** 112546c276ceSBrett Creeley * ice_get_free_res_count - Get free count from a resource tracker 112646c276ceSBrett Creeley * @res: Resource tracker instance 112746c276ceSBrett Creeley */ 112846c276ceSBrett Creeley static u16 ice_get_free_res_count(struct ice_res_tracker *res) 112946c276ceSBrett Creeley { 113046c276ceSBrett Creeley u16 i, count = 0; 113146c276ceSBrett Creeley 113246c276ceSBrett Creeley for (i = 0; i < res->end; i++) 113346c276ceSBrett Creeley if (!(res->list[i] & ICE_RES_VALID_BIT)) 113446c276ceSBrett Creeley count++; 113546c276ceSBrett Creeley 113646c276ceSBrett Creeley return count; 113746c276ceSBrett Creeley } 113846c276ceSBrett Creeley 113946c276ceSBrett Creeley /** 114046c276ceSBrett Creeley * ice_get_res - get a block of resources 114146c276ceSBrett Creeley * @pf: board private structure 114246c276ceSBrett Creeley * @res: pointer to the resource 114346c276ceSBrett Creeley * @needed: size of the block needed 114446c276ceSBrett Creeley * @id: identifier to track owner 114546c276ceSBrett Creeley * 114646c276ceSBrett Creeley * Returns the base item index of the block, or negative for error 114746c276ceSBrett Creeley */ 114846c276ceSBrett Creeley int 114946c276ceSBrett Creeley ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id) 115046c276ceSBrett Creeley { 115146c276ceSBrett Creeley if (!res || !pf) 115246c276ceSBrett Creeley return -EINVAL; 115346c276ceSBrett Creeley 115446c276ceSBrett Creeley if (!needed || needed > res->num_entries || id >= ICE_RES_VALID_BIT) { 115546c276ceSBrett Creeley dev_err(ice_pf_to_dev(pf), "param err: needed=%d, num_entries = %d id=0x%04x\n", 115646c276ceSBrett Creeley needed, res->num_entries, id); 115746c276ceSBrett Creeley return -EINVAL; 115846c276ceSBrett Creeley } 115946c276ceSBrett Creeley 116046c276ceSBrett Creeley return ice_search_res(res, needed, id); 116146c276ceSBrett Creeley } 116246c276ceSBrett Creeley 116346c276ceSBrett Creeley /** 1164df0f8479SAnirudh Venkataramanan * ice_vsi_setup_vector_base - Set up the base vector for the given VSI 1165df0f8479SAnirudh Venkataramanan * @vsi: ptr to the VSI 1166df0f8479SAnirudh Venkataramanan * 1167df0f8479SAnirudh Venkataramanan * This should only be called after ice_vsi_alloc() which allocates the 1168df0f8479SAnirudh Venkataramanan * corresponding SW VSI structure and initializes num_queue_pairs for the 1169df0f8479SAnirudh Venkataramanan * newly allocated VSI. 1170df0f8479SAnirudh Venkataramanan * 1171df0f8479SAnirudh Venkataramanan * Returns 0 on success or negative on failure 1172df0f8479SAnirudh Venkataramanan */ 117337bb8390SAnirudh Venkataramanan static int ice_vsi_setup_vector_base(struct ice_vsi *vsi) 1174df0f8479SAnirudh Venkataramanan { 1175df0f8479SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 11764015d11eSBrett Creeley struct device *dev; 1177cbe66bfeSBrett Creeley u16 num_q_vectors; 117888865fc4SKarol Kolacinski int base; 1179df0f8479SAnirudh Venkataramanan 11804015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 1181cbe66bfeSBrett Creeley /* SRIOV doesn't grab irq_tracker entries for each VSI */ 1182cbe66bfeSBrett Creeley if (vsi->type == ICE_VSI_VF) 1183cbe66bfeSBrett Creeley return 0; 1184cbe66bfeSBrett Creeley 1185cbe66bfeSBrett Creeley if (vsi->base_vector) { 11864015d11eSBrett Creeley dev_dbg(dev, "VSI %d has non-zero base vector %d\n", 1187cbe66bfeSBrett Creeley vsi->vsi_num, vsi->base_vector); 1188df0f8479SAnirudh Venkataramanan return -EEXIST; 1189df0f8479SAnirudh Venkataramanan } 1190df0f8479SAnirudh Venkataramanan 1191df0f8479SAnirudh Venkataramanan num_q_vectors = vsi->num_q_vectors; 1192eb0208ecSPreethi Banala /* reserve slots from OS requested IRQs */ 1193da62c5ffSQi Zhang if (vsi->type == ICE_VSI_CTRL && vsi->vf_id != ICE_INVAL_VFID) { 1194da62c5ffSQi Zhang struct ice_vf *vf; 1195da62c5ffSQi Zhang int i; 1196da62c5ffSQi Zhang 1197da62c5ffSQi Zhang ice_for_each_vf(pf, i) { 1198da62c5ffSQi Zhang vf = &pf->vf[i]; 1199da62c5ffSQi Zhang if (i != vsi->vf_id && vf->ctrl_vsi_idx != ICE_NO_VSI) { 1200da62c5ffSQi Zhang base = pf->vsi[vf->ctrl_vsi_idx]->base_vector; 1201da62c5ffSQi Zhang break; 1202da62c5ffSQi Zhang } 1203da62c5ffSQi Zhang } 1204da62c5ffSQi Zhang if (i == pf->num_alloc_vfs) 1205da62c5ffSQi Zhang base = ice_get_res(pf, pf->irq_tracker, num_q_vectors, 1206da62c5ffSQi Zhang ICE_RES_VF_CTRL_VEC_ID); 1207da62c5ffSQi Zhang } else { 1208da62c5ffSQi Zhang base = ice_get_res(pf, pf->irq_tracker, num_q_vectors, 1209da62c5ffSQi Zhang vsi->idx); 1210da62c5ffSQi Zhang } 121188865fc4SKarol Kolacinski 121288865fc4SKarol Kolacinski if (base < 0) { 121346c276ceSBrett Creeley dev_err(dev, "%d MSI-X interrupts available. %s %d failed to get %d MSI-X vectors\n", 121446c276ceSBrett Creeley ice_get_free_res_count(pf->irq_tracker), 121546c276ceSBrett Creeley ice_vsi_type_str(vsi->type), vsi->idx, num_q_vectors); 1216eb0208ecSPreethi Banala return -ENOENT; 1217eb0208ecSPreethi Banala } 121888865fc4SKarol Kolacinski vsi->base_vector = (u16)base; 1219eb0208ecSPreethi Banala pf->num_avail_sw_msix -= num_q_vectors; 1220eb0208ecSPreethi Banala 1221df0f8479SAnirudh Venkataramanan return 0; 1222df0f8479SAnirudh Venkataramanan } 1223df0f8479SAnirudh Venkataramanan 1224df0f8479SAnirudh Venkataramanan /** 122528c2a645SAnirudh Venkataramanan * ice_vsi_clear_rings - Deallocates the Tx and Rx rings for VSI 122628c2a645SAnirudh Venkataramanan * @vsi: the VSI having rings deallocated 122728c2a645SAnirudh Venkataramanan */ 1228df0f8479SAnirudh Venkataramanan static void ice_vsi_clear_rings(struct ice_vsi *vsi) 122928c2a645SAnirudh Venkataramanan { 123028c2a645SAnirudh Venkataramanan int i; 123128c2a645SAnirudh Venkataramanan 1232f6a07271SJacob Keller /* Avoid stale references by clearing map from vector to ring */ 1233f6a07271SJacob Keller if (vsi->q_vectors) { 1234f6a07271SJacob Keller ice_for_each_q_vector(vsi, i) { 1235f6a07271SJacob Keller struct ice_q_vector *q_vector = vsi->q_vectors[i]; 1236f6a07271SJacob Keller 1237f6a07271SJacob Keller if (q_vector) { 1238f6a07271SJacob Keller q_vector->tx.ring = NULL; 1239f6a07271SJacob Keller q_vector->rx.ring = NULL; 1240f6a07271SJacob Keller } 1241f6a07271SJacob Keller } 1242f6a07271SJacob Keller } 1243f6a07271SJacob Keller 124428c2a645SAnirudh Venkataramanan if (vsi->tx_rings) { 124528c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 124628c2a645SAnirudh Venkataramanan if (vsi->tx_rings[i]) { 124728c2a645SAnirudh Venkataramanan kfree_rcu(vsi->tx_rings[i], rcu); 1248b1d95cc2SCiara Loftus WRITE_ONCE(vsi->tx_rings[i], NULL); 124928c2a645SAnirudh Venkataramanan } 125028c2a645SAnirudh Venkataramanan } 125128c2a645SAnirudh Venkataramanan } 125228c2a645SAnirudh Venkataramanan if (vsi->rx_rings) { 125328c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 125428c2a645SAnirudh Venkataramanan if (vsi->rx_rings[i]) { 125528c2a645SAnirudh Venkataramanan kfree_rcu(vsi->rx_rings[i], rcu); 1256b1d95cc2SCiara Loftus WRITE_ONCE(vsi->rx_rings[i], NULL); 125728c2a645SAnirudh Venkataramanan } 125828c2a645SAnirudh Venkataramanan } 125928c2a645SAnirudh Venkataramanan } 126028c2a645SAnirudh Venkataramanan } 126128c2a645SAnirudh Venkataramanan 126228c2a645SAnirudh Venkataramanan /** 126328c2a645SAnirudh Venkataramanan * ice_vsi_alloc_rings - Allocates Tx and Rx rings for the VSI 126428c2a645SAnirudh Venkataramanan * @vsi: VSI which is having rings allocated 126528c2a645SAnirudh Venkataramanan */ 126637bb8390SAnirudh Venkataramanan static int ice_vsi_alloc_rings(struct ice_vsi *vsi) 126728c2a645SAnirudh Venkataramanan { 126828c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 12694015d11eSBrett Creeley struct device *dev; 127088865fc4SKarol Kolacinski u16 i; 127128c2a645SAnirudh Venkataramanan 12724015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 1273d337f2afSAnirudh Venkataramanan /* Allocate Tx rings */ 127428c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 127528c2a645SAnirudh Venkataramanan struct ice_ring *ring; 127628c2a645SAnirudh Venkataramanan 127728c2a645SAnirudh Venkataramanan /* allocate with kzalloc(), free with kfree_rcu() */ 127828c2a645SAnirudh Venkataramanan ring = kzalloc(sizeof(*ring), GFP_KERNEL); 127928c2a645SAnirudh Venkataramanan 128028c2a645SAnirudh Venkataramanan if (!ring) 128128c2a645SAnirudh Venkataramanan goto err_out; 128228c2a645SAnirudh Venkataramanan 128328c2a645SAnirudh Venkataramanan ring->q_index = i; 128428c2a645SAnirudh Venkataramanan ring->reg_idx = vsi->txq_map[i]; 128528c2a645SAnirudh Venkataramanan ring->ring_active = false; 128628c2a645SAnirudh Venkataramanan ring->vsi = vsi; 12874015d11eSBrett Creeley ring->dev = dev; 1288ad71b256SBrett Creeley ring->count = vsi->num_tx_desc; 1289b1d95cc2SCiara Loftus WRITE_ONCE(vsi->tx_rings[i], ring); 129028c2a645SAnirudh Venkataramanan } 129128c2a645SAnirudh Venkataramanan 1292d337f2afSAnirudh Venkataramanan /* Allocate Rx rings */ 129328c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 129428c2a645SAnirudh Venkataramanan struct ice_ring *ring; 129528c2a645SAnirudh Venkataramanan 129628c2a645SAnirudh Venkataramanan /* allocate with kzalloc(), free with kfree_rcu() */ 129728c2a645SAnirudh Venkataramanan ring = kzalloc(sizeof(*ring), GFP_KERNEL); 129828c2a645SAnirudh Venkataramanan if (!ring) 129928c2a645SAnirudh Venkataramanan goto err_out; 130028c2a645SAnirudh Venkataramanan 130128c2a645SAnirudh Venkataramanan ring->q_index = i; 130228c2a645SAnirudh Venkataramanan ring->reg_idx = vsi->rxq_map[i]; 130328c2a645SAnirudh Venkataramanan ring->ring_active = false; 130428c2a645SAnirudh Venkataramanan ring->vsi = vsi; 130528c2a645SAnirudh Venkataramanan ring->netdev = vsi->netdev; 13064015d11eSBrett Creeley ring->dev = dev; 1307ad71b256SBrett Creeley ring->count = vsi->num_rx_desc; 1308b1d95cc2SCiara Loftus WRITE_ONCE(vsi->rx_rings[i], ring); 130928c2a645SAnirudh Venkataramanan } 131028c2a645SAnirudh Venkataramanan 131128c2a645SAnirudh Venkataramanan return 0; 131228c2a645SAnirudh Venkataramanan 131328c2a645SAnirudh Venkataramanan err_out: 131428c2a645SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 131528c2a645SAnirudh Venkataramanan return -ENOMEM; 131628c2a645SAnirudh Venkataramanan } 131728c2a645SAnirudh Venkataramanan 131828c2a645SAnirudh Venkataramanan /** 1319492af0abSMd Fahad Iqbal Polash * ice_vsi_manage_rss_lut - disable/enable RSS 1320492af0abSMd Fahad Iqbal Polash * @vsi: the VSI being changed 1321492af0abSMd Fahad Iqbal Polash * @ena: boolean value indicating if this is an enable or disable request 1322492af0abSMd Fahad Iqbal Polash * 1323492af0abSMd Fahad Iqbal Polash * In the event of disable request for RSS, this function will zero out RSS 1324492af0abSMd Fahad Iqbal Polash * LUT, while in the event of enable request for RSS, it will reconfigure RSS 1325492af0abSMd Fahad Iqbal Polash * LUT. 1326492af0abSMd Fahad Iqbal Polash */ 13274fe36226SPaul M Stillwell Jr void ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena) 1328492af0abSMd Fahad Iqbal Polash { 1329492af0abSMd Fahad Iqbal Polash u8 *lut; 1330492af0abSMd Fahad Iqbal Polash 13319efe35d0STony Nguyen lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 1332492af0abSMd Fahad Iqbal Polash if (!lut) 13334fe36226SPaul M Stillwell Jr return; 1334492af0abSMd Fahad Iqbal Polash 1335492af0abSMd Fahad Iqbal Polash if (ena) { 1336492af0abSMd Fahad Iqbal Polash if (vsi->rss_lut_user) 1337492af0abSMd Fahad Iqbal Polash memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size); 1338492af0abSMd Fahad Iqbal Polash else 1339492af0abSMd Fahad Iqbal Polash ice_fill_rss_lut(lut, vsi->rss_table_size, 1340492af0abSMd Fahad Iqbal Polash vsi->rss_size); 1341492af0abSMd Fahad Iqbal Polash } 1342492af0abSMd Fahad Iqbal Polash 13434fe36226SPaul M Stillwell Jr ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 13449efe35d0STony Nguyen kfree(lut); 1345492af0abSMd Fahad Iqbal Polash } 1346492af0abSMd Fahad Iqbal Polash 1347492af0abSMd Fahad Iqbal Polash /** 134837bb8390SAnirudh Venkataramanan * ice_vsi_cfg_rss_lut_key - Configure RSS params for a VSI 134937bb8390SAnirudh Venkataramanan * @vsi: VSI to be configured 135037bb8390SAnirudh Venkataramanan */ 135137bb8390SAnirudh Venkataramanan static int ice_vsi_cfg_rss_lut_key(struct ice_vsi *vsi) 135237bb8390SAnirudh Venkataramanan { 135337bb8390SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 13544015d11eSBrett Creeley struct device *dev; 1355b66a972aSBrett Creeley u8 *lut, *key; 1356b66a972aSBrett Creeley int err; 135737bb8390SAnirudh Venkataramanan 13584015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 135988865fc4SKarol Kolacinski vsi->rss_size = min_t(u16, vsi->rss_size, vsi->num_rxq); 136037bb8390SAnirudh Venkataramanan 13619efe35d0STony Nguyen lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 136237bb8390SAnirudh Venkataramanan if (!lut) 136337bb8390SAnirudh Venkataramanan return -ENOMEM; 136437bb8390SAnirudh Venkataramanan 136537bb8390SAnirudh Venkataramanan if (vsi->rss_lut_user) 136637bb8390SAnirudh Venkataramanan memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size); 136737bb8390SAnirudh Venkataramanan else 136837bb8390SAnirudh Venkataramanan ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 136937bb8390SAnirudh Venkataramanan 1370b66a972aSBrett Creeley err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 1371b66a972aSBrett Creeley if (err) { 1372b66a972aSBrett Creeley dev_err(dev, "set_rss_lut failed, error %d\n", err); 137337bb8390SAnirudh Venkataramanan goto ice_vsi_cfg_rss_exit; 137437bb8390SAnirudh Venkataramanan } 137537bb8390SAnirudh Venkataramanan 1376b66a972aSBrett Creeley key = kzalloc(ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE, GFP_KERNEL); 137737bb8390SAnirudh Venkataramanan if (!key) { 137837bb8390SAnirudh Venkataramanan err = -ENOMEM; 137937bb8390SAnirudh Venkataramanan goto ice_vsi_cfg_rss_exit; 138037bb8390SAnirudh Venkataramanan } 138137bb8390SAnirudh Venkataramanan 138237bb8390SAnirudh Venkataramanan if (vsi->rss_hkey_user) 1383b66a972aSBrett Creeley memcpy(key, vsi->rss_hkey_user, ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE); 138437bb8390SAnirudh Venkataramanan else 1385b66a972aSBrett Creeley netdev_rss_key_fill((void *)key, ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE); 138637bb8390SAnirudh Venkataramanan 1387b66a972aSBrett Creeley err = ice_set_rss_key(vsi, key); 1388b66a972aSBrett Creeley if (err) 1389b66a972aSBrett Creeley dev_err(dev, "set_rss_key failed, error %d\n", err); 139037bb8390SAnirudh Venkataramanan 13919efe35d0STony Nguyen kfree(key); 139237bb8390SAnirudh Venkataramanan ice_vsi_cfg_rss_exit: 13939efe35d0STony Nguyen kfree(lut); 139437bb8390SAnirudh Venkataramanan return err; 139537bb8390SAnirudh Venkataramanan } 139637bb8390SAnirudh Venkataramanan 139737bb8390SAnirudh Venkataramanan /** 13981c01c8c6SMd Fahad Iqbal Polash * ice_vsi_set_vf_rss_flow_fld - Sets VF VSI RSS input set for different flows 13991c01c8c6SMd Fahad Iqbal Polash * @vsi: VSI to be configured 14001c01c8c6SMd Fahad Iqbal Polash * 14011c01c8c6SMd Fahad Iqbal Polash * This function will only be called during the VF VSI setup. Upon successful 14021c01c8c6SMd Fahad Iqbal Polash * completion of package download, this function will configure default RSS 14031c01c8c6SMd Fahad Iqbal Polash * input sets for VF VSI. 14041c01c8c6SMd Fahad Iqbal Polash */ 14051c01c8c6SMd Fahad Iqbal Polash static void ice_vsi_set_vf_rss_flow_fld(struct ice_vsi *vsi) 14061c01c8c6SMd Fahad Iqbal Polash { 14071c01c8c6SMd Fahad Iqbal Polash struct ice_pf *pf = vsi->back; 14081c01c8c6SMd Fahad Iqbal Polash enum ice_status status; 14091c01c8c6SMd Fahad Iqbal Polash struct device *dev; 14101c01c8c6SMd Fahad Iqbal Polash 14111c01c8c6SMd Fahad Iqbal Polash dev = ice_pf_to_dev(pf); 14121c01c8c6SMd Fahad Iqbal Polash if (ice_is_safe_mode(pf)) { 14131c01c8c6SMd Fahad Iqbal Polash dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 14141c01c8c6SMd Fahad Iqbal Polash vsi->vsi_num); 14151c01c8c6SMd Fahad Iqbal Polash return; 14161c01c8c6SMd Fahad Iqbal Polash } 14171c01c8c6SMd Fahad Iqbal Polash 14181c01c8c6SMd Fahad Iqbal Polash status = ice_add_avf_rss_cfg(&pf->hw, vsi->idx, ICE_DEFAULT_RSS_HENA); 14191c01c8c6SMd Fahad Iqbal Polash if (status) 14200fee3577SLihong Yang dev_dbg(dev, "ice_add_avf_rss_cfg failed for vsi = %d, error = %s\n", 14210fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 14221c01c8c6SMd Fahad Iqbal Polash } 14231c01c8c6SMd Fahad Iqbal Polash 14241c01c8c6SMd Fahad Iqbal Polash /** 1425c90ed40cSTony Nguyen * ice_vsi_set_rss_flow_fld - Sets RSS input set for different flows 1426c90ed40cSTony Nguyen * @vsi: VSI to be configured 1427c90ed40cSTony Nguyen * 1428c90ed40cSTony Nguyen * This function will only be called after successful download package call 1429c90ed40cSTony Nguyen * during initialization of PF. Since the downloaded package will erase the 1430c90ed40cSTony Nguyen * RSS section, this function will configure RSS input sets for different 1431c90ed40cSTony Nguyen * flow types. The last profile added has the highest priority, therefore 2 1432c90ed40cSTony Nguyen * tuple profiles (i.e. IPv4 src/dst) are added before 4 tuple profiles 1433c90ed40cSTony Nguyen * (i.e. IPv4 src/dst TCP src/dst port). 1434c90ed40cSTony Nguyen */ 1435c90ed40cSTony Nguyen static void ice_vsi_set_rss_flow_fld(struct ice_vsi *vsi) 1436c90ed40cSTony Nguyen { 1437c90ed40cSTony Nguyen u16 vsi_handle = vsi->idx, vsi_num = vsi->vsi_num; 1438c90ed40cSTony Nguyen struct ice_pf *pf = vsi->back; 1439c90ed40cSTony Nguyen struct ice_hw *hw = &pf->hw; 1440c90ed40cSTony Nguyen enum ice_status status; 1441c90ed40cSTony Nguyen struct device *dev; 1442c90ed40cSTony Nguyen 1443c90ed40cSTony Nguyen dev = ice_pf_to_dev(pf); 1444c90ed40cSTony Nguyen if (ice_is_safe_mode(pf)) { 1445c90ed40cSTony Nguyen dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 1446c90ed40cSTony Nguyen vsi_num); 1447c90ed40cSTony Nguyen return; 1448c90ed40cSTony Nguyen } 1449c90ed40cSTony Nguyen /* configure RSS for IPv4 with input set IP src/dst */ 1450c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV4, 1451c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_IPV4); 1452c90ed40cSTony Nguyen if (status) 14530fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for ipv4 flow, vsi = %d, error = %s\n", 14540fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1455c90ed40cSTony Nguyen 1456c90ed40cSTony Nguyen /* configure RSS for IPv6 with input set IPv6 src/dst */ 1457c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV6, 1458c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_IPV6); 1459c90ed40cSTony Nguyen if (status) 14600fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for ipv6 flow, vsi = %d, error = %s\n", 14610fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1462c90ed40cSTony Nguyen 1463c90ed40cSTony Nguyen /* configure RSS for tcp4 with input set IP src/dst, TCP src/dst */ 1464c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_TCP_IPV4, 1465c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4); 1466c90ed40cSTony Nguyen if (status) 14670fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for tcp4 flow, vsi = %d, error = %s\n", 14680fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1469c90ed40cSTony Nguyen 1470c90ed40cSTony Nguyen /* configure RSS for udp4 with input set IP src/dst, UDP src/dst */ 1471c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_UDP_IPV4, 1472c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4); 1473c90ed40cSTony Nguyen if (status) 14740fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for udp4 flow, vsi = %d, error = %s\n", 14750fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1476c90ed40cSTony Nguyen 1477c90ed40cSTony Nguyen /* configure RSS for sctp4 with input set IP src/dst */ 1478c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV4, 1479c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4); 1480c90ed40cSTony Nguyen if (status) 14810fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for sctp4 flow, vsi = %d, error = %s\n", 14820fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1483c90ed40cSTony Nguyen 1484c90ed40cSTony Nguyen /* configure RSS for tcp6 with input set IPv6 src/dst, TCP src/dst */ 1485c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_TCP_IPV6, 1486c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6); 1487c90ed40cSTony Nguyen if (status) 14880fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for tcp6 flow, vsi = %d, error = %s\n", 14890fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1490c90ed40cSTony Nguyen 1491c90ed40cSTony Nguyen /* configure RSS for udp6 with input set IPv6 src/dst, UDP src/dst */ 1492c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_UDP_IPV6, 1493c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6); 1494c90ed40cSTony Nguyen if (status) 14950fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for udp6 flow, vsi = %d, error = %s\n", 14960fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1497c90ed40cSTony Nguyen 1498c90ed40cSTony Nguyen /* configure RSS for sctp6 with input set IPv6 src/dst */ 1499c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV6, 1500c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6); 1501c90ed40cSTony Nguyen if (status) 15020fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for sctp6 flow, vsi = %d, error = %s\n", 15030fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1504c90ed40cSTony Nguyen } 1505c90ed40cSTony Nguyen 1506c90ed40cSTony Nguyen /** 1507769c500dSAkeem G Abodunrin * ice_pf_state_is_nominal - checks the PF for nominal state 1508769c500dSAkeem G Abodunrin * @pf: pointer to PF to check 1509769c500dSAkeem G Abodunrin * 1510769c500dSAkeem G Abodunrin * Check the PF's state for a collection of bits that would indicate 1511769c500dSAkeem G Abodunrin * the PF is in a state that would inhibit normal operation for 1512769c500dSAkeem G Abodunrin * driver functionality. 1513769c500dSAkeem G Abodunrin * 1514769c500dSAkeem G Abodunrin * Returns true if PF is in a nominal state, false otherwise 1515769c500dSAkeem G Abodunrin */ 1516769c500dSAkeem G Abodunrin bool ice_pf_state_is_nominal(struct ice_pf *pf) 1517769c500dSAkeem G Abodunrin { 15187e408e07SAnirudh Venkataramanan DECLARE_BITMAP(check_bits, ICE_STATE_NBITS) = { 0 }; 1519769c500dSAkeem G Abodunrin 1520769c500dSAkeem G Abodunrin if (!pf) 1521769c500dSAkeem G Abodunrin return false; 1522769c500dSAkeem G Abodunrin 15237e408e07SAnirudh Venkataramanan bitmap_set(check_bits, 0, ICE_STATE_NOMINAL_CHECK_BITS); 15247e408e07SAnirudh Venkataramanan if (bitmap_intersects(pf->state, check_bits, ICE_STATE_NBITS)) 1525769c500dSAkeem G Abodunrin return false; 1526769c500dSAkeem G Abodunrin 1527769c500dSAkeem G Abodunrin return true; 1528769c500dSAkeem G Abodunrin } 1529769c500dSAkeem G Abodunrin 1530769c500dSAkeem G Abodunrin /** 153145d3d428SAnirudh Venkataramanan * ice_update_eth_stats - Update VSI-specific ethernet statistics counters 153245d3d428SAnirudh Venkataramanan * @vsi: the VSI to be updated 153345d3d428SAnirudh Venkataramanan */ 153445d3d428SAnirudh Venkataramanan void ice_update_eth_stats(struct ice_vsi *vsi) 153545d3d428SAnirudh Venkataramanan { 153645d3d428SAnirudh Venkataramanan struct ice_eth_stats *prev_es, *cur_es; 153745d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 153845d3d428SAnirudh Venkataramanan u16 vsi_num = vsi->vsi_num; /* HW absolute index of a VSI */ 153945d3d428SAnirudh Venkataramanan 154045d3d428SAnirudh Venkataramanan prev_es = &vsi->eth_stats_prev; 154145d3d428SAnirudh Venkataramanan cur_es = &vsi->eth_stats; 154245d3d428SAnirudh Venkataramanan 154336517fd3SJacob Keller ice_stat_update40(hw, GLV_GORCL(vsi_num), vsi->stat_offsets_loaded, 154436517fd3SJacob Keller &prev_es->rx_bytes, &cur_es->rx_bytes); 154545d3d428SAnirudh Venkataramanan 154636517fd3SJacob Keller ice_stat_update40(hw, GLV_UPRCL(vsi_num), vsi->stat_offsets_loaded, 154736517fd3SJacob Keller &prev_es->rx_unicast, &cur_es->rx_unicast); 154845d3d428SAnirudh Venkataramanan 154936517fd3SJacob Keller ice_stat_update40(hw, GLV_MPRCL(vsi_num), vsi->stat_offsets_loaded, 155036517fd3SJacob Keller &prev_es->rx_multicast, &cur_es->rx_multicast); 155145d3d428SAnirudh Venkataramanan 155236517fd3SJacob Keller ice_stat_update40(hw, GLV_BPRCL(vsi_num), vsi->stat_offsets_loaded, 155336517fd3SJacob Keller &prev_es->rx_broadcast, &cur_es->rx_broadcast); 155445d3d428SAnirudh Venkataramanan 155545d3d428SAnirudh Venkataramanan ice_stat_update32(hw, GLV_RDPC(vsi_num), vsi->stat_offsets_loaded, 155645d3d428SAnirudh Venkataramanan &prev_es->rx_discards, &cur_es->rx_discards); 155745d3d428SAnirudh Venkataramanan 155836517fd3SJacob Keller ice_stat_update40(hw, GLV_GOTCL(vsi_num), vsi->stat_offsets_loaded, 155936517fd3SJacob Keller &prev_es->tx_bytes, &cur_es->tx_bytes); 156045d3d428SAnirudh Venkataramanan 156136517fd3SJacob Keller ice_stat_update40(hw, GLV_UPTCL(vsi_num), vsi->stat_offsets_loaded, 156236517fd3SJacob Keller &prev_es->tx_unicast, &cur_es->tx_unicast); 156345d3d428SAnirudh Venkataramanan 156436517fd3SJacob Keller ice_stat_update40(hw, GLV_MPTCL(vsi_num), vsi->stat_offsets_loaded, 156536517fd3SJacob Keller &prev_es->tx_multicast, &cur_es->tx_multicast); 156645d3d428SAnirudh Venkataramanan 156736517fd3SJacob Keller ice_stat_update40(hw, GLV_BPTCL(vsi_num), vsi->stat_offsets_loaded, 156836517fd3SJacob Keller &prev_es->tx_broadcast, &cur_es->tx_broadcast); 156945d3d428SAnirudh Venkataramanan 157045d3d428SAnirudh Venkataramanan ice_stat_update32(hw, GLV_TEPC(vsi_num), vsi->stat_offsets_loaded, 157145d3d428SAnirudh Venkataramanan &prev_es->tx_errors, &cur_es->tx_errors); 157245d3d428SAnirudh Venkataramanan 157345d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded = true; 157445d3d428SAnirudh Venkataramanan } 157545d3d428SAnirudh Venkataramanan 157645d3d428SAnirudh Venkataramanan /** 157745d3d428SAnirudh Venkataramanan * ice_vsi_add_vlan - Add VSI membership for given VLAN 157845d3d428SAnirudh Venkataramanan * @vsi: the VSI being configured 1579f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be added 15801b8f15b6SMichal Swiatkowski * @action: filter action to be performed on match 158145d3d428SAnirudh Venkataramanan */ 15821b8f15b6SMichal Swiatkowski int 15831b8f15b6SMichal Swiatkowski ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid, enum ice_sw_fwd_act_type action) 158445d3d428SAnirudh Venkataramanan { 158545d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 15864015d11eSBrett Creeley struct device *dev; 158745d3d428SAnirudh Venkataramanan int err = 0; 158845d3d428SAnirudh Venkataramanan 15894015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 159045d3d428SAnirudh Venkataramanan 15911b8f15b6SMichal Swiatkowski if (!ice_fltr_add_vlan(vsi, vid, action)) { 159242f3efefSBrett Creeley vsi->num_vlan++; 159342f3efefSBrett Creeley } else { 159445d3d428SAnirudh Venkataramanan err = -ENODEV; 15954015d11eSBrett Creeley dev_err(dev, "Failure Adding VLAN %d on VSI %i\n", vid, 15964015d11eSBrett Creeley vsi->vsi_num); 159745d3d428SAnirudh Venkataramanan } 159845d3d428SAnirudh Venkataramanan 159945d3d428SAnirudh Venkataramanan return err; 160045d3d428SAnirudh Venkataramanan } 160145d3d428SAnirudh Venkataramanan 160245d3d428SAnirudh Venkataramanan /** 160345d3d428SAnirudh Venkataramanan * ice_vsi_kill_vlan - Remove VSI membership for a given VLAN 160445d3d428SAnirudh Venkataramanan * @vsi: the VSI being configured 1605f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be removed 160645d3d428SAnirudh Venkataramanan * 160745d3d428SAnirudh Venkataramanan * Returns 0 on success and negative on failure 160845d3d428SAnirudh Venkataramanan */ 160945d3d428SAnirudh Venkataramanan int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid) 161045d3d428SAnirudh Venkataramanan { 161145d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 16125079b853SAkeem G Abodunrin enum ice_status status; 16134015d11eSBrett Creeley struct device *dev; 16145079b853SAkeem G Abodunrin int err = 0; 161545d3d428SAnirudh Venkataramanan 16164015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 161745d3d428SAnirudh Venkataramanan 16181b8f15b6SMichal Swiatkowski status = ice_fltr_remove_vlan(vsi, vid, ICE_FWD_TO_VSI); 161942f3efefSBrett Creeley if (!status) { 162042f3efefSBrett Creeley vsi->num_vlan--; 162142f3efefSBrett Creeley } else if (status == ICE_ERR_DOES_NOT_EXIST) { 16220fee3577SLihong Yang dev_dbg(dev, "Failed to remove VLAN %d on VSI %i, it does not exist, status: %s\n", 16230fee3577SLihong Yang vid, vsi->vsi_num, ice_stat_str(status)); 162442f3efefSBrett Creeley } else { 16250fee3577SLihong Yang dev_err(dev, "Error removing VLAN %d on vsi %i error: %s\n", 16260fee3577SLihong Yang vid, vsi->vsi_num, ice_stat_str(status)); 16275079b853SAkeem G Abodunrin err = -EIO; 162845d3d428SAnirudh Venkataramanan } 162945d3d428SAnirudh Venkataramanan 16305079b853SAkeem G Abodunrin return err; 163145d3d428SAnirudh Venkataramanan } 163245d3d428SAnirudh Venkataramanan 163345d3d428SAnirudh Venkataramanan /** 1634efc2214bSMaciej Fijalkowski * ice_vsi_cfg_frame_size - setup max frame size and Rx buffer length 1635efc2214bSMaciej Fijalkowski * @vsi: VSI 1636efc2214bSMaciej Fijalkowski */ 1637efc2214bSMaciej Fijalkowski void ice_vsi_cfg_frame_size(struct ice_vsi *vsi) 1638efc2214bSMaciej Fijalkowski { 16397237f5b0SMaciej Fijalkowski if (!vsi->netdev || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) { 16407237f5b0SMaciej Fijalkowski vsi->max_frame = ICE_AQ_SET_MAC_FRAME_SIZE_MAX; 1641efc2214bSMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_2048; 16427237f5b0SMaciej Fijalkowski #if (PAGE_SIZE < 8192) 164359bb0808SMaciej Fijalkowski } else if (!ICE_2K_TOO_SMALL_WITH_PADDING && 164459bb0808SMaciej Fijalkowski (vsi->netdev->mtu <= ETH_DATA_LEN)) { 16457237f5b0SMaciej Fijalkowski vsi->max_frame = ICE_RXBUF_1536 - NET_IP_ALIGN; 16467237f5b0SMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_1536 - NET_IP_ALIGN; 16477237f5b0SMaciej Fijalkowski #endif 16487237f5b0SMaciej Fijalkowski } else { 16497237f5b0SMaciej Fijalkowski vsi->max_frame = ICE_AQ_SET_MAC_FRAME_SIZE_MAX; 16507237f5b0SMaciej Fijalkowski #if (PAGE_SIZE < 8192) 16517237f5b0SMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_3072; 16527237f5b0SMaciej Fijalkowski #else 16537237f5b0SMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_2048; 16547237f5b0SMaciej Fijalkowski #endif 16557237f5b0SMaciej Fijalkowski } 1656efc2214bSMaciej Fijalkowski } 1657efc2214bSMaciej Fijalkowski 1658efc2214bSMaciej Fijalkowski /** 1659401ce33bSBrett Creeley * ice_write_qrxflxp_cntxt - write/configure QRXFLXP_CNTXT register 1660401ce33bSBrett Creeley * @hw: HW pointer 1661401ce33bSBrett Creeley * @pf_q: index of the Rx queue in the PF's queue space 1662401ce33bSBrett Creeley * @rxdid: flexible descriptor RXDID 1663401ce33bSBrett Creeley * @prio: priority for the RXDID for this queue 1664401ce33bSBrett Creeley */ 1665401ce33bSBrett Creeley void 1666401ce33bSBrett Creeley ice_write_qrxflxp_cntxt(struct ice_hw *hw, u16 pf_q, u32 rxdid, u32 prio) 1667401ce33bSBrett Creeley { 1668401ce33bSBrett Creeley int regval = rd32(hw, QRXFLXP_CNTXT(pf_q)); 1669401ce33bSBrett Creeley 1670401ce33bSBrett Creeley /* clear any previous values */ 1671401ce33bSBrett Creeley regval &= ~(QRXFLXP_CNTXT_RXDID_IDX_M | 1672401ce33bSBrett Creeley QRXFLXP_CNTXT_RXDID_PRIO_M | 1673401ce33bSBrett Creeley QRXFLXP_CNTXT_TS_M); 1674401ce33bSBrett Creeley 1675401ce33bSBrett Creeley regval |= (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) & 1676401ce33bSBrett Creeley QRXFLXP_CNTXT_RXDID_IDX_M; 1677401ce33bSBrett Creeley 1678401ce33bSBrett Creeley regval |= (prio << QRXFLXP_CNTXT_RXDID_PRIO_S) & 1679401ce33bSBrett Creeley QRXFLXP_CNTXT_RXDID_PRIO_M; 1680401ce33bSBrett Creeley 1681401ce33bSBrett Creeley wr32(hw, QRXFLXP_CNTXT(pf_q), regval); 1682401ce33bSBrett Creeley } 1683401ce33bSBrett Creeley 1684401ce33bSBrett Creeley /** 168572adf242SAnirudh Venkataramanan * ice_vsi_cfg_rxqs - Configure the VSI for Rx 168672adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 168772adf242SAnirudh Venkataramanan * 168872adf242SAnirudh Venkataramanan * Return 0 on success and a negative value on error 168972adf242SAnirudh Venkataramanan * Configure the Rx VSI for operation. 169072adf242SAnirudh Venkataramanan */ 169172adf242SAnirudh Venkataramanan int ice_vsi_cfg_rxqs(struct ice_vsi *vsi) 169272adf242SAnirudh Venkataramanan { 169372adf242SAnirudh Venkataramanan u16 i; 169472adf242SAnirudh Venkataramanan 16958ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 16968ede0178SAnirudh Venkataramanan goto setup_rings; 16978ede0178SAnirudh Venkataramanan 1698efc2214bSMaciej Fijalkowski ice_vsi_cfg_frame_size(vsi); 16998ede0178SAnirudh Venkataramanan setup_rings: 170072adf242SAnirudh Venkataramanan /* set up individual rings */ 1701*43c7f919SKrzysztof Kazimierczak ice_for_each_rxq(vsi, i) { 1702*43c7f919SKrzysztof Kazimierczak int err = ice_vsi_cfg_rxq(vsi->rx_rings[i]); 170372adf242SAnirudh Venkataramanan 1704*43c7f919SKrzysztof Kazimierczak if (err) 170572adf242SAnirudh Venkataramanan return err; 170672adf242SAnirudh Venkataramanan } 17071553f4f7SBrett Creeley 17081553f4f7SBrett Creeley return 0; 17091553f4f7SBrett Creeley } 171072adf242SAnirudh Venkataramanan 171172adf242SAnirudh Venkataramanan /** 171272adf242SAnirudh Venkataramanan * ice_vsi_cfg_txqs - Configure the VSI for Tx 171372adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 171403f7a986SAnirudh Venkataramanan * @rings: Tx ring array to be configured 171572adf242SAnirudh Venkataramanan * 171672adf242SAnirudh Venkataramanan * Return 0 on success and a negative value on error 171772adf242SAnirudh Venkataramanan * Configure the Tx VSI for operation. 171872adf242SAnirudh Venkataramanan */ 171903f7a986SAnirudh Venkataramanan static int 1720e75d1b2cSMaciej Fijalkowski ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_ring **rings) 172172adf242SAnirudh Venkataramanan { 172272adf242SAnirudh Venkataramanan struct ice_aqc_add_tx_qgrp *qg_buf; 1723e75d1b2cSMaciej Fijalkowski u16 q_idx = 0; 1724d02f734cSMaciej Fijalkowski int err = 0; 172572adf242SAnirudh Venkataramanan 172666486d89SBruce Allan qg_buf = kzalloc(struct_size(qg_buf, txqs, 1), GFP_KERNEL); 172772adf242SAnirudh Venkataramanan if (!qg_buf) 172872adf242SAnirudh Venkataramanan return -ENOMEM; 172972adf242SAnirudh Venkataramanan 173072adf242SAnirudh Venkataramanan qg_buf->num_txqs = 1; 173172adf242SAnirudh Venkataramanan 1732e75d1b2cSMaciej Fijalkowski for (q_idx = 0; q_idx < vsi->num_txq; q_idx++) { 1733e75d1b2cSMaciej Fijalkowski err = ice_vsi_cfg_txq(vsi, rings[q_idx], qg_buf); 1734d02f734cSMaciej Fijalkowski if (err) 173572adf242SAnirudh Venkataramanan goto err_cfg_txqs; 1736e75d1b2cSMaciej Fijalkowski } 1737c5a2a4a3SUsha Ketineni 173872adf242SAnirudh Venkataramanan err_cfg_txqs: 1739e75d1b2cSMaciej Fijalkowski kfree(qg_buf); 174072adf242SAnirudh Venkataramanan return err; 174172adf242SAnirudh Venkataramanan } 174272adf242SAnirudh Venkataramanan 174372adf242SAnirudh Venkataramanan /** 174403f7a986SAnirudh Venkataramanan * ice_vsi_cfg_lan_txqs - Configure the VSI for Tx 174503f7a986SAnirudh Venkataramanan * @vsi: the VSI being configured 174603f7a986SAnirudh Venkataramanan * 174703f7a986SAnirudh Venkataramanan * Return 0 on success and a negative value on error 174803f7a986SAnirudh Venkataramanan * Configure the Tx VSI for operation. 174903f7a986SAnirudh Venkataramanan */ 175003f7a986SAnirudh Venkataramanan int ice_vsi_cfg_lan_txqs(struct ice_vsi *vsi) 175103f7a986SAnirudh Venkataramanan { 1752e75d1b2cSMaciej Fijalkowski return ice_vsi_cfg_txqs(vsi, vsi->tx_rings); 175303f7a986SAnirudh Venkataramanan } 175403f7a986SAnirudh Venkataramanan 175503f7a986SAnirudh Venkataramanan /** 1756efc2214bSMaciej Fijalkowski * ice_vsi_cfg_xdp_txqs - Configure Tx queues dedicated for XDP in given VSI 1757efc2214bSMaciej Fijalkowski * @vsi: the VSI being configured 1758efc2214bSMaciej Fijalkowski * 1759efc2214bSMaciej Fijalkowski * Return 0 on success and a negative value on error 1760efc2214bSMaciej Fijalkowski * Configure the Tx queues dedicated for XDP in given VSI for operation. 1761efc2214bSMaciej Fijalkowski */ 1762efc2214bSMaciej Fijalkowski int ice_vsi_cfg_xdp_txqs(struct ice_vsi *vsi) 1763efc2214bSMaciej Fijalkowski { 17642d4238f5SKrzysztof Kazimierczak int ret; 17652d4238f5SKrzysztof Kazimierczak int i; 17662d4238f5SKrzysztof Kazimierczak 17672d4238f5SKrzysztof Kazimierczak ret = ice_vsi_cfg_txqs(vsi, vsi->xdp_rings); 17682d4238f5SKrzysztof Kazimierczak if (ret) 17692d4238f5SKrzysztof Kazimierczak return ret; 17702d4238f5SKrzysztof Kazimierczak 17712d4238f5SKrzysztof Kazimierczak for (i = 0; i < vsi->num_xdp_txq; i++) 17721742b3d5SMagnus Karlsson vsi->xdp_rings[i]->xsk_pool = ice_xsk_pool(vsi->xdp_rings[i]); 17732d4238f5SKrzysztof Kazimierczak 17742d4238f5SKrzysztof Kazimierczak return ret; 1775efc2214bSMaciej Fijalkowski } 1776efc2214bSMaciej Fijalkowski 1777efc2214bSMaciej Fijalkowski /** 17789e4ab4c2SBrett Creeley * ice_intrl_usec_to_reg - convert interrupt rate limit to register value 17799e4ab4c2SBrett Creeley * @intrl: interrupt rate limit in usecs 17809e4ab4c2SBrett Creeley * @gran: interrupt rate limit granularity in usecs 17819e4ab4c2SBrett Creeley * 17829e4ab4c2SBrett Creeley * This function converts a decimal interrupt rate limit in usecs to the format 17839e4ab4c2SBrett Creeley * expected by firmware. 17849e4ab4c2SBrett Creeley */ 1785b8b47723SJesse Brandeburg static u32 ice_intrl_usec_to_reg(u8 intrl, u8 gran) 17869e4ab4c2SBrett Creeley { 17879e4ab4c2SBrett Creeley u32 val = intrl / gran; 17889e4ab4c2SBrett Creeley 17899e4ab4c2SBrett Creeley if (val) 17909e4ab4c2SBrett Creeley return val | GLINT_RATE_INTRL_ENA_M; 17919e4ab4c2SBrett Creeley return 0; 17929e4ab4c2SBrett Creeley } 17939e4ab4c2SBrett Creeley 17949e4ab4c2SBrett Creeley /** 1795b8b47723SJesse Brandeburg * ice_write_intrl - write throttle rate limit to interrupt specific register 1796b8b47723SJesse Brandeburg * @q_vector: pointer to interrupt specific structure 1797b8b47723SJesse Brandeburg * @intrl: throttle rate limit in microseconds to write 1798b8b47723SJesse Brandeburg */ 1799b8b47723SJesse Brandeburg void ice_write_intrl(struct ice_q_vector *q_vector, u8 intrl) 1800b8b47723SJesse Brandeburg { 1801b8b47723SJesse Brandeburg struct ice_hw *hw = &q_vector->vsi->back->hw; 1802b8b47723SJesse Brandeburg 1803b8b47723SJesse Brandeburg wr32(hw, GLINT_RATE(q_vector->reg_idx), 1804b8b47723SJesse Brandeburg ice_intrl_usec_to_reg(intrl, ICE_INTRL_GRAN_ABOVE_25)); 1805b8b47723SJesse Brandeburg } 1806b8b47723SJesse Brandeburg 1807b8b47723SJesse Brandeburg /** 1808b8b47723SJesse Brandeburg * __ice_write_itr - write throttle rate to register 1809b8b47723SJesse Brandeburg * @q_vector: pointer to interrupt data structure 1810b8b47723SJesse Brandeburg * @rc: pointer to ring container 1811b8b47723SJesse Brandeburg * @itr: throttle rate in microseconds to write 1812b8b47723SJesse Brandeburg */ 1813b8b47723SJesse Brandeburg static void __ice_write_itr(struct ice_q_vector *q_vector, 1814b8b47723SJesse Brandeburg struct ice_ring_container *rc, u16 itr) 1815b8b47723SJesse Brandeburg { 1816b8b47723SJesse Brandeburg struct ice_hw *hw = &q_vector->vsi->back->hw; 1817b8b47723SJesse Brandeburg 1818b8b47723SJesse Brandeburg wr32(hw, GLINT_ITR(rc->itr_idx, q_vector->reg_idx), 1819b8b47723SJesse Brandeburg ITR_REG_ALIGN(itr) >> ICE_ITR_GRAN_S); 1820b8b47723SJesse Brandeburg } 1821b8b47723SJesse Brandeburg 1822b8b47723SJesse Brandeburg /** 1823b8b47723SJesse Brandeburg * ice_write_itr - write throttle rate to queue specific register 1824b8b47723SJesse Brandeburg * @rc: pointer to ring container 1825b8b47723SJesse Brandeburg * @itr: throttle rate in microseconds to write 1826b8b47723SJesse Brandeburg */ 1827b8b47723SJesse Brandeburg void ice_write_itr(struct ice_ring_container *rc, u16 itr) 1828b8b47723SJesse Brandeburg { 1829b8b47723SJesse Brandeburg struct ice_q_vector *q_vector; 1830b8b47723SJesse Brandeburg 1831b8b47723SJesse Brandeburg if (!rc->ring) 1832b8b47723SJesse Brandeburg return; 1833b8b47723SJesse Brandeburg 1834b8b47723SJesse Brandeburg q_vector = rc->ring->q_vector; 1835b8b47723SJesse Brandeburg 1836b8b47723SJesse Brandeburg __ice_write_itr(q_vector, rc, itr); 1837b8b47723SJesse Brandeburg } 1838b8b47723SJesse Brandeburg 1839b8b47723SJesse Brandeburg /** 184072adf242SAnirudh Venkataramanan * ice_vsi_cfg_msix - MSIX mode Interrupt Config in the HW 184172adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 1842047e52c0SAnirudh Venkataramanan * 1843047e52c0SAnirudh Venkataramanan * This configures MSIX mode interrupts for the PF VSI, and should not be used 1844047e52c0SAnirudh Venkataramanan * for the VF VSI. 184572adf242SAnirudh Venkataramanan */ 184672adf242SAnirudh Venkataramanan void ice_vsi_cfg_msix(struct ice_vsi *vsi) 184772adf242SAnirudh Venkataramanan { 184872adf242SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 184972adf242SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 185088865fc4SKarol Kolacinski u16 txq = 0, rxq = 0; 1851d2b464a7SBrett Creeley int i, q; 185272adf242SAnirudh Venkataramanan 1853b07833a0SBrett Creeley for (i = 0; i < vsi->num_q_vectors; i++) { 185472adf242SAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[i]; 1855b07833a0SBrett Creeley u16 reg_idx = q_vector->reg_idx; 185672adf242SAnirudh Venkataramanan 1857b07833a0SBrett Creeley ice_cfg_itr(hw, q_vector); 18589e4ab4c2SBrett Creeley 185972adf242SAnirudh Venkataramanan /* Both Transmit Queue Interrupt Cause Control register 186072adf242SAnirudh Venkataramanan * and Receive Queue Interrupt Cause control register 186172adf242SAnirudh Venkataramanan * expects MSIX_INDX field to be the vector index 186272adf242SAnirudh Venkataramanan * within the function space and not the absolute 186372adf242SAnirudh Venkataramanan * vector index across PF or across device. 186472adf242SAnirudh Venkataramanan * For SR-IOV VF VSIs queue vector index always starts 186572adf242SAnirudh Venkataramanan * with 1 since first vector index(0) is used for OICR 186672adf242SAnirudh Venkataramanan * in VF space. Since VMDq and other PF VSIs are within 186772adf242SAnirudh Venkataramanan * the PF function space, use the vector index that is 186872adf242SAnirudh Venkataramanan * tracked for this PF. 186972adf242SAnirudh Venkataramanan */ 187072adf242SAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_tx; q++) { 1871047e52c0SAnirudh Venkataramanan ice_cfg_txq_interrupt(vsi, txq, reg_idx, 1872047e52c0SAnirudh Venkataramanan q_vector->tx.itr_idx); 187372adf242SAnirudh Venkataramanan txq++; 187472adf242SAnirudh Venkataramanan } 187572adf242SAnirudh Venkataramanan 187672adf242SAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_rx; q++) { 1877047e52c0SAnirudh Venkataramanan ice_cfg_rxq_interrupt(vsi, rxq, reg_idx, 1878047e52c0SAnirudh Venkataramanan q_vector->rx.itr_idx); 187972adf242SAnirudh Venkataramanan rxq++; 188072adf242SAnirudh Venkataramanan } 188172adf242SAnirudh Venkataramanan } 188272adf242SAnirudh Venkataramanan } 188372adf242SAnirudh Venkataramanan 188472adf242SAnirudh Venkataramanan /** 188545d3d428SAnirudh Venkataramanan * ice_vsi_manage_vlan_insertion - Manage VLAN insertion for the VSI for Tx 188645d3d428SAnirudh Venkataramanan * @vsi: the VSI being changed 188745d3d428SAnirudh Venkataramanan */ 188845d3d428SAnirudh Venkataramanan int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi) 188945d3d428SAnirudh Venkataramanan { 189045d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 1891198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 189245d3d428SAnirudh Venkataramanan enum ice_status status; 1893198a666aSBruce Allan int ret = 0; 1894198a666aSBruce Allan 18959efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 1896198a666aSBruce Allan if (!ctxt) 1897198a666aSBruce Allan return -ENOMEM; 189845d3d428SAnirudh Venkataramanan 189945d3d428SAnirudh Venkataramanan /* Here we are configuring the VSI to let the driver add VLAN tags by 190045d3d428SAnirudh Venkataramanan * setting vlan_flags to ICE_AQ_VSI_VLAN_MODE_ALL. The actual VLAN tag 190145d3d428SAnirudh Venkataramanan * insertion happens in the Tx hot path, in ice_tx_map. 190245d3d428SAnirudh Venkataramanan */ 1903198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL; 190445d3d428SAnirudh Venkataramanan 1905e80e76dbSTony Nguyen /* Preserve existing VLAN strip setting */ 1906e80e76dbSTony Nguyen ctxt->info.vlan_flags |= (vsi->info.vlan_flags & 1907e80e76dbSTony Nguyen ICE_AQ_VSI_VLAN_EMOD_M); 1908e80e76dbSTony Nguyen 1909198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); 191045d3d428SAnirudh Venkataramanan 1911198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 191245d3d428SAnirudh Venkataramanan if (status) { 19130fee3577SLihong Yang dev_err(ice_pf_to_dev(vsi->back), "update VSI for VLAN insert failed, err %s aq_err %s\n", 19140fee3577SLihong Yang ice_stat_str(status), 19150fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 1916198a666aSBruce Allan ret = -EIO; 1917198a666aSBruce Allan goto out; 191845d3d428SAnirudh Venkataramanan } 191945d3d428SAnirudh Venkataramanan 1920198a666aSBruce Allan vsi->info.vlan_flags = ctxt->info.vlan_flags; 1921198a666aSBruce Allan out: 19229efe35d0STony Nguyen kfree(ctxt); 1923198a666aSBruce Allan return ret; 192445d3d428SAnirudh Venkataramanan } 192545d3d428SAnirudh Venkataramanan 192645d3d428SAnirudh Venkataramanan /** 192745d3d428SAnirudh Venkataramanan * ice_vsi_manage_vlan_stripping - Manage VLAN stripping for the VSI for Rx 192845d3d428SAnirudh Venkataramanan * @vsi: the VSI being changed 192945d3d428SAnirudh Venkataramanan * @ena: boolean value indicating if this is a enable or disable request 193045d3d428SAnirudh Venkataramanan */ 193145d3d428SAnirudh Venkataramanan int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena) 193245d3d428SAnirudh Venkataramanan { 193345d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 1934198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 193545d3d428SAnirudh Venkataramanan enum ice_status status; 1936198a666aSBruce Allan int ret = 0; 1937198a666aSBruce Allan 193819608275SBrett Creeley /* do not allow modifying VLAN stripping when a port VLAN is configured 193919608275SBrett Creeley * on this VSI 194019608275SBrett Creeley */ 194119608275SBrett Creeley if (vsi->info.pvid) 194219608275SBrett Creeley return 0; 194319608275SBrett Creeley 19449efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 1945198a666aSBruce Allan if (!ctxt) 1946198a666aSBruce Allan return -ENOMEM; 194745d3d428SAnirudh Venkataramanan 194845d3d428SAnirudh Venkataramanan /* Here we are configuring what the VSI should do with the VLAN tag in 194945d3d428SAnirudh Venkataramanan * the Rx packet. We can either leave the tag in the packet or put it in 195045d3d428SAnirudh Venkataramanan * the Rx descriptor. 195145d3d428SAnirudh Venkataramanan */ 1952198a666aSBruce Allan if (ena) 195345d3d428SAnirudh Venkataramanan /* Strip VLAN tag from Rx packet and put it in the desc */ 1954198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_STR_BOTH; 1955198a666aSBruce Allan else 195645d3d428SAnirudh Venkataramanan /* Disable stripping. Leave tag in packet */ 1957198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING; 195845d3d428SAnirudh Venkataramanan 195945d3d428SAnirudh Venkataramanan /* Allow all packets untagged/tagged */ 1960198a666aSBruce Allan ctxt->info.vlan_flags |= ICE_AQ_VSI_VLAN_MODE_ALL; 196145d3d428SAnirudh Venkataramanan 1962198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); 196345d3d428SAnirudh Venkataramanan 1964198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 196545d3d428SAnirudh Venkataramanan if (status) { 19660fee3577SLihong Yang dev_err(ice_pf_to_dev(vsi->back), "update VSI for VLAN strip failed, ena = %d err %s aq_err %s\n", 19670fee3577SLihong Yang ena, ice_stat_str(status), 19680fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 1969198a666aSBruce Allan ret = -EIO; 1970198a666aSBruce Allan goto out; 197145d3d428SAnirudh Venkataramanan } 197245d3d428SAnirudh Venkataramanan 1973198a666aSBruce Allan vsi->info.vlan_flags = ctxt->info.vlan_flags; 1974198a666aSBruce Allan out: 19759efe35d0STony Nguyen kfree(ctxt); 1976198a666aSBruce Allan return ret; 197745d3d428SAnirudh Venkataramanan } 197872adf242SAnirudh Venkataramanan 197972adf242SAnirudh Venkataramanan /** 198013a6233bSBrett Creeley * ice_vsi_start_all_rx_rings - start/enable all of a VSI's Rx rings 198113a6233bSBrett Creeley * @vsi: the VSI whose rings are to be enabled 198272adf242SAnirudh Venkataramanan * 198372adf242SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 198472adf242SAnirudh Venkataramanan */ 198513a6233bSBrett Creeley int ice_vsi_start_all_rx_rings(struct ice_vsi *vsi) 198672adf242SAnirudh Venkataramanan { 198713a6233bSBrett Creeley return ice_vsi_ctrl_all_rx_rings(vsi, true); 198872adf242SAnirudh Venkataramanan } 198972adf242SAnirudh Venkataramanan 199072adf242SAnirudh Venkataramanan /** 199113a6233bSBrett Creeley * ice_vsi_stop_all_rx_rings - stop/disable all of a VSI's Rx rings 199213a6233bSBrett Creeley * @vsi: the VSI whose rings are to be disabled 199372adf242SAnirudh Venkataramanan * 199472adf242SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 199572adf242SAnirudh Venkataramanan */ 199613a6233bSBrett Creeley int ice_vsi_stop_all_rx_rings(struct ice_vsi *vsi) 199772adf242SAnirudh Venkataramanan { 199813a6233bSBrett Creeley return ice_vsi_ctrl_all_rx_rings(vsi, false); 199972adf242SAnirudh Venkataramanan } 200072adf242SAnirudh Venkataramanan 200172adf242SAnirudh Venkataramanan /** 2002d02f734cSMaciej Fijalkowski * ice_vsi_stop_tx_rings - Disable Tx rings 2003d02f734cSMaciej Fijalkowski * @vsi: the VSI being configured 2004d02f734cSMaciej Fijalkowski * @rst_src: reset source 2005d02f734cSMaciej Fijalkowski * @rel_vmvf_num: Relative ID of VF/VM 2006d02f734cSMaciej Fijalkowski * @rings: Tx ring array to be stopped 2007d02f734cSMaciej Fijalkowski */ 2008d02f734cSMaciej Fijalkowski static int 2009d02f734cSMaciej Fijalkowski ice_vsi_stop_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, 2010d02f734cSMaciej Fijalkowski u16 rel_vmvf_num, struct ice_ring **rings) 2011d02f734cSMaciej Fijalkowski { 2012e75d1b2cSMaciej Fijalkowski u16 q_idx; 2013d02f734cSMaciej Fijalkowski 2014d02f734cSMaciej Fijalkowski if (vsi->num_txq > ICE_LAN_TXQ_MAX_QDIS) 2015d02f734cSMaciej Fijalkowski return -EINVAL; 2016d02f734cSMaciej Fijalkowski 2017e75d1b2cSMaciej Fijalkowski for (q_idx = 0; q_idx < vsi->num_txq; q_idx++) { 2018d02f734cSMaciej Fijalkowski struct ice_txq_meta txq_meta = { }; 2019e75d1b2cSMaciej Fijalkowski int status; 2020d02f734cSMaciej Fijalkowski 2021d02f734cSMaciej Fijalkowski if (!rings || !rings[q_idx]) 2022d02f734cSMaciej Fijalkowski return -EINVAL; 2023d02f734cSMaciej Fijalkowski 2024d02f734cSMaciej Fijalkowski ice_fill_txq_meta(vsi, rings[q_idx], &txq_meta); 2025e75d1b2cSMaciej Fijalkowski status = ice_vsi_stop_tx_ring(vsi, rst_src, rel_vmvf_num, 2026d02f734cSMaciej Fijalkowski rings[q_idx], &txq_meta); 2027d02f734cSMaciej Fijalkowski 2028d02f734cSMaciej Fijalkowski if (status) 2029d02f734cSMaciej Fijalkowski return status; 2030bb87ee0eSAnirudh Venkataramanan } 203172adf242SAnirudh Venkataramanan 2032d02f734cSMaciej Fijalkowski return 0; 203372adf242SAnirudh Venkataramanan } 20345153a18eSAnirudh Venkataramanan 20355153a18eSAnirudh Venkataramanan /** 203603f7a986SAnirudh Venkataramanan * ice_vsi_stop_lan_tx_rings - Disable LAN Tx rings 203703f7a986SAnirudh Venkataramanan * @vsi: the VSI being configured 203803f7a986SAnirudh Venkataramanan * @rst_src: reset source 2039f9867df6SAnirudh Venkataramanan * @rel_vmvf_num: Relative ID of VF/VM 204003f7a986SAnirudh Venkataramanan */ 2041c8b7abddSBruce Allan int 2042c8b7abddSBruce Allan ice_vsi_stop_lan_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, 2043c8b7abddSBruce Allan u16 rel_vmvf_num) 204403f7a986SAnirudh Venkataramanan { 2045d02f734cSMaciej Fijalkowski return ice_vsi_stop_tx_rings(vsi, rst_src, rel_vmvf_num, vsi->tx_rings); 204603f7a986SAnirudh Venkataramanan } 204703f7a986SAnirudh Venkataramanan 204803f7a986SAnirudh Venkataramanan /** 2049efc2214bSMaciej Fijalkowski * ice_vsi_stop_xdp_tx_rings - Disable XDP Tx rings 2050efc2214bSMaciej Fijalkowski * @vsi: the VSI being configured 2051efc2214bSMaciej Fijalkowski */ 2052efc2214bSMaciej Fijalkowski int ice_vsi_stop_xdp_tx_rings(struct ice_vsi *vsi) 2053efc2214bSMaciej Fijalkowski { 2054efc2214bSMaciej Fijalkowski return ice_vsi_stop_tx_rings(vsi, ICE_NO_RESET, 0, vsi->xdp_rings); 2055efc2214bSMaciej Fijalkowski } 2056efc2214bSMaciej Fijalkowski 2057efc2214bSMaciej Fijalkowski /** 205842f3efefSBrett Creeley * ice_vsi_is_vlan_pruning_ena - check if VLAN pruning is enabled or not 205942f3efefSBrett Creeley * @vsi: VSI to check whether or not VLAN pruning is enabled. 206042f3efefSBrett Creeley * 2061345be791SBrett Creeley * returns true if Rx VLAN pruning is enabled and false otherwise. 206242f3efefSBrett Creeley */ 206342f3efefSBrett Creeley bool ice_vsi_is_vlan_pruning_ena(struct ice_vsi *vsi) 206442f3efefSBrett Creeley { 206542f3efefSBrett Creeley if (!vsi) 206642f3efefSBrett Creeley return false; 206742f3efefSBrett Creeley 2068345be791SBrett Creeley return (vsi->info.sw_flags2 & ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA); 206942f3efefSBrett Creeley } 207042f3efefSBrett Creeley 207142f3efefSBrett Creeley /** 20725153a18eSAnirudh Venkataramanan * ice_cfg_vlan_pruning - enable or disable VLAN pruning on the VSI 20735153a18eSAnirudh Venkataramanan * @vsi: VSI to enable or disable VLAN pruning on 20745153a18eSAnirudh Venkataramanan * @ena: set to true to enable VLAN pruning and false to disable it 20755eda8afdSAkeem G Abodunrin * @vlan_promisc: enable valid security flags if not in VLAN promiscuous mode 20765153a18eSAnirudh Venkataramanan * 20775153a18eSAnirudh Venkataramanan * returns 0 if VSI is updated, negative otherwise 20785153a18eSAnirudh Venkataramanan */ 20795eda8afdSAkeem G Abodunrin int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena, bool vlan_promisc) 20805153a18eSAnirudh Venkataramanan { 20815153a18eSAnirudh Venkataramanan struct ice_vsi_ctx *ctxt; 2082819d8998SJesse Brandeburg struct ice_pf *pf; 20835153a18eSAnirudh Venkataramanan int status; 20845153a18eSAnirudh Venkataramanan 20855153a18eSAnirudh Venkataramanan if (!vsi) 20865153a18eSAnirudh Venkataramanan return -EINVAL; 20875153a18eSAnirudh Venkataramanan 208868d210a6SNick Nunley /* Don't enable VLAN pruning if the netdev is currently in promiscuous 208968d210a6SNick Nunley * mode. VLAN pruning will be enabled when the interface exits 209068d210a6SNick Nunley * promiscuous mode if any VLAN filters are active. 209168d210a6SNick Nunley */ 209268d210a6SNick Nunley if (vsi->netdev && vsi->netdev->flags & IFF_PROMISC && ena) 209368d210a6SNick Nunley return 0; 209468d210a6SNick Nunley 2095819d8998SJesse Brandeburg pf = vsi->back; 20969efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 20975153a18eSAnirudh Venkataramanan if (!ctxt) 20985153a18eSAnirudh Venkataramanan return -ENOMEM; 20995153a18eSAnirudh Venkataramanan 21005153a18eSAnirudh Venkataramanan ctxt->info = vsi->info; 21015153a18eSAnirudh Venkataramanan 2102cd6d6b83SBrett Creeley if (ena) 21035153a18eSAnirudh Venkataramanan ctxt->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 2104cd6d6b83SBrett Creeley else 21055153a18eSAnirudh Venkataramanan ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 21065153a18eSAnirudh Venkataramanan 21075eda8afdSAkeem G Abodunrin if (!vlan_promisc) 21085eda8afdSAkeem G Abodunrin ctxt->info.valid_sections = 2109cd6d6b83SBrett Creeley cpu_to_le16(ICE_AQ_VSI_PROP_SW_VALID); 21105726ca0eSAnirudh Venkataramanan 2111819d8998SJesse Brandeburg status = ice_update_vsi(&pf->hw, vsi->idx, ctxt, NULL); 21125153a18eSAnirudh Venkataramanan if (status) { 21130fee3577SLihong Yang netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI handle: %d, VSI HW ID: %d failed, err = %s, aq_err = %s\n", 21140fee3577SLihong Yang ena ? "En" : "Dis", vsi->idx, vsi->vsi_num, 21150fee3577SLihong Yang ice_stat_str(status), 21160fee3577SLihong Yang ice_aq_str(pf->hw.adminq.sq_last_status)); 21175153a18eSAnirudh Venkataramanan goto err_out; 21185153a18eSAnirudh Venkataramanan } 21195153a18eSAnirudh Venkataramanan 21205153a18eSAnirudh Venkataramanan vsi->info.sw_flags2 = ctxt->info.sw_flags2; 21215153a18eSAnirudh Venkataramanan 21229efe35d0STony Nguyen kfree(ctxt); 21235153a18eSAnirudh Venkataramanan return 0; 21245153a18eSAnirudh Venkataramanan 21255153a18eSAnirudh Venkataramanan err_out: 21269efe35d0STony Nguyen kfree(ctxt); 21275153a18eSAnirudh Venkataramanan return -EIO; 21285153a18eSAnirudh Venkataramanan } 21295153a18eSAnirudh Venkataramanan 21307b9ffc76SAnirudh Venkataramanan static void ice_vsi_set_tc_cfg(struct ice_vsi *vsi) 21317b9ffc76SAnirudh Venkataramanan { 2132fc2d1165SChinh T Cao struct ice_dcbx_cfg *cfg = &vsi->port_info->qos_cfg.local_dcbx_cfg; 21337b9ffc76SAnirudh Venkataramanan 21347b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.ena_tc = ice_dcb_get_ena_tc(cfg); 21357b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.numtc = ice_dcb_get_num_tc(cfg); 21367b9ffc76SAnirudh Venkataramanan } 21377b9ffc76SAnirudh Venkataramanan 21385153a18eSAnirudh Venkataramanan /** 2139b07833a0SBrett Creeley * ice_vsi_set_q_vectors_reg_idx - set the HW register index for all q_vectors 2140b07833a0SBrett Creeley * @vsi: VSI to set the q_vectors register index on 2141b07833a0SBrett Creeley */ 2142b07833a0SBrett Creeley static int 2143b07833a0SBrett Creeley ice_vsi_set_q_vectors_reg_idx(struct ice_vsi *vsi) 2144b07833a0SBrett Creeley { 2145b07833a0SBrett Creeley u16 i; 2146b07833a0SBrett Creeley 2147b07833a0SBrett Creeley if (!vsi || !vsi->q_vectors) 2148b07833a0SBrett Creeley return -EINVAL; 2149b07833a0SBrett Creeley 2150b07833a0SBrett Creeley ice_for_each_q_vector(vsi, i) { 2151b07833a0SBrett Creeley struct ice_q_vector *q_vector = vsi->q_vectors[i]; 2152b07833a0SBrett Creeley 2153b07833a0SBrett Creeley if (!q_vector) { 215419cce2c6SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "Failed to set reg_idx on q_vector %d VSI %d\n", 2155b07833a0SBrett Creeley i, vsi->vsi_num); 2156b07833a0SBrett Creeley goto clear_reg_idx; 2157b07833a0SBrett Creeley } 2158b07833a0SBrett Creeley 2159cbe66bfeSBrett Creeley if (vsi->type == ICE_VSI_VF) { 2160cbe66bfeSBrett Creeley struct ice_vf *vf = &vsi->back->vf[vsi->vf_id]; 2161cbe66bfeSBrett Creeley 2162cbe66bfeSBrett Creeley q_vector->reg_idx = ice_calc_vf_reg_idx(vf, q_vector); 2163cbe66bfeSBrett Creeley } else { 2164cbe66bfeSBrett Creeley q_vector->reg_idx = 2165cbe66bfeSBrett Creeley q_vector->v_idx + vsi->base_vector; 2166cbe66bfeSBrett Creeley } 2167b07833a0SBrett Creeley } 2168b07833a0SBrett Creeley 2169b07833a0SBrett Creeley return 0; 2170b07833a0SBrett Creeley 2171b07833a0SBrett Creeley clear_reg_idx: 2172b07833a0SBrett Creeley ice_for_each_q_vector(vsi, i) { 2173b07833a0SBrett Creeley struct ice_q_vector *q_vector = vsi->q_vectors[i]; 2174b07833a0SBrett Creeley 2175b07833a0SBrett Creeley if (q_vector) 2176b07833a0SBrett Creeley q_vector->reg_idx = 0; 2177b07833a0SBrett Creeley } 2178b07833a0SBrett Creeley 2179b07833a0SBrett Creeley return -EINVAL; 2180b07833a0SBrett Creeley } 2181b07833a0SBrett Creeley 2182b07833a0SBrett Creeley /** 21832e0e6228SDave Ertman * ice_cfg_sw_lldp - Config switch rules for LLDP packet handling 21842e0e6228SDave Ertman * @vsi: the VSI being configured 21852e0e6228SDave Ertman * @tx: bool to determine Tx or Rx rule 21862e0e6228SDave Ertman * @create: bool to determine create or remove Rule 21872e0e6228SDave Ertman */ 21882e0e6228SDave Ertman void ice_cfg_sw_lldp(struct ice_vsi *vsi, bool tx, bool create) 21892e0e6228SDave Ertman { 21901b8f15b6SMichal Swiatkowski enum ice_status (*eth_fltr)(struct ice_vsi *v, u16 type, u16 flag, 21911b8f15b6SMichal Swiatkowski enum ice_sw_fwd_act_type act); 21922e0e6228SDave Ertman struct ice_pf *pf = vsi->back; 21932e0e6228SDave Ertman enum ice_status status; 21944015d11eSBrett Creeley struct device *dev; 21952e0e6228SDave Ertman 21964015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 21971b8f15b6SMichal Swiatkowski eth_fltr = create ? ice_fltr_add_eth : ice_fltr_remove_eth; 21982e0e6228SDave Ertman 219934295a36SDave Ertman if (tx) { 22001b8f15b6SMichal Swiatkowski status = eth_fltr(vsi, ETH_P_LLDP, ICE_FLTR_TX, 22011b8f15b6SMichal Swiatkowski ICE_DROP_PACKET); 220234295a36SDave Ertman } else { 220334295a36SDave Ertman if (ice_fw_supports_lldp_fltr_ctrl(&pf->hw)) { 220434295a36SDave Ertman status = ice_lldp_fltr_add_remove(&pf->hw, vsi->vsi_num, 220534295a36SDave Ertman create); 220634295a36SDave Ertman } else { 220734295a36SDave Ertman status = eth_fltr(vsi, ETH_P_LLDP, ICE_FLTR_RX, 220834295a36SDave Ertman ICE_FWD_TO_VSI); 220934295a36SDave Ertman } 221034295a36SDave Ertman } 22112e0e6228SDave Ertman 22122e0e6228SDave Ertman if (status) 22130fee3577SLihong Yang dev_err(dev, "Fail %s %s LLDP rule on VSI %i error: %s\n", 22142e0e6228SDave Ertman create ? "adding" : "removing", tx ? "TX" : "RX", 22150fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 22162e0e6228SDave Ertman } 22172e0e6228SDave Ertman 2218d95276ceSAkeem G Abodunrin /** 2219b126bd6bSKiran Patil * ice_set_agg_vsi - sets up scheduler aggregator node and move VSI into it 2220b126bd6bSKiran Patil * @vsi: pointer to the VSI 2221b126bd6bSKiran Patil * 2222b126bd6bSKiran Patil * This function will allocate new scheduler aggregator now if needed and will 2223b126bd6bSKiran Patil * move specified VSI into it. 2224b126bd6bSKiran Patil */ 2225b126bd6bSKiran Patil static void ice_set_agg_vsi(struct ice_vsi *vsi) 2226b126bd6bSKiran Patil { 2227b126bd6bSKiran Patil struct device *dev = ice_pf_to_dev(vsi->back); 2228b126bd6bSKiran Patil struct ice_agg_node *agg_node_iter = NULL; 2229b126bd6bSKiran Patil u32 agg_id = ICE_INVALID_AGG_NODE_ID; 2230b126bd6bSKiran Patil struct ice_agg_node *agg_node = NULL; 2231b126bd6bSKiran Patil int node_offset, max_agg_nodes = 0; 2232b126bd6bSKiran Patil struct ice_port_info *port_info; 2233b126bd6bSKiran Patil struct ice_pf *pf = vsi->back; 2234b126bd6bSKiran Patil u32 agg_node_id_start = 0; 2235b126bd6bSKiran Patil enum ice_status status; 2236b126bd6bSKiran Patil 2237b126bd6bSKiran Patil /* create (as needed) scheduler aggregator node and move VSI into 2238b126bd6bSKiran Patil * corresponding aggregator node 2239b126bd6bSKiran Patil * - PF aggregator node to contains VSIs of type _PF and _CTRL 2240b126bd6bSKiran Patil * - VF aggregator nodes will contain VF VSI 2241b126bd6bSKiran Patil */ 2242b126bd6bSKiran Patil port_info = pf->hw.port_info; 2243b126bd6bSKiran Patil if (!port_info) 2244b126bd6bSKiran Patil return; 2245b126bd6bSKiran Patil 2246b126bd6bSKiran Patil switch (vsi->type) { 2247b126bd6bSKiran Patil case ICE_VSI_CTRL: 2248b126bd6bSKiran Patil case ICE_VSI_LB: 2249b126bd6bSKiran Patil case ICE_VSI_PF: 2250b126bd6bSKiran Patil max_agg_nodes = ICE_MAX_PF_AGG_NODES; 2251b126bd6bSKiran Patil agg_node_id_start = ICE_PF_AGG_NODE_ID_START; 2252b126bd6bSKiran Patil agg_node_iter = &pf->pf_agg_node[0]; 2253b126bd6bSKiran Patil break; 2254b126bd6bSKiran Patil case ICE_VSI_VF: 2255b126bd6bSKiran Patil /* user can create 'n' VFs on a given PF, but since max children 2256b126bd6bSKiran Patil * per aggregator node can be only 64. Following code handles 2257b126bd6bSKiran Patil * aggregator(s) for VF VSIs, either selects a agg_node which 2258b126bd6bSKiran Patil * was already created provided num_vsis < 64, otherwise 2259b126bd6bSKiran Patil * select next available node, which will be created 2260b126bd6bSKiran Patil */ 2261b126bd6bSKiran Patil max_agg_nodes = ICE_MAX_VF_AGG_NODES; 2262b126bd6bSKiran Patil agg_node_id_start = ICE_VF_AGG_NODE_ID_START; 2263b126bd6bSKiran Patil agg_node_iter = &pf->vf_agg_node[0]; 2264b126bd6bSKiran Patil break; 2265b126bd6bSKiran Patil default: 2266b126bd6bSKiran Patil /* other VSI type, handle later if needed */ 2267b126bd6bSKiran Patil dev_dbg(dev, "unexpected VSI type %s\n", 2268b126bd6bSKiran Patil ice_vsi_type_str(vsi->type)); 2269b126bd6bSKiran Patil return; 2270b126bd6bSKiran Patil } 2271b126bd6bSKiran Patil 2272b126bd6bSKiran Patil /* find the appropriate aggregator node */ 2273b126bd6bSKiran Patil for (node_offset = 0; node_offset < max_agg_nodes; node_offset++) { 2274b126bd6bSKiran Patil /* see if we can find space in previously created 2275b126bd6bSKiran Patil * node if num_vsis < 64, otherwise skip 2276b126bd6bSKiran Patil */ 2277b126bd6bSKiran Patil if (agg_node_iter->num_vsis && 2278b126bd6bSKiran Patil agg_node_iter->num_vsis == ICE_MAX_VSIS_IN_AGG_NODE) { 2279b126bd6bSKiran Patil agg_node_iter++; 2280b126bd6bSKiran Patil continue; 2281b126bd6bSKiran Patil } 2282b126bd6bSKiran Patil 2283b126bd6bSKiran Patil if (agg_node_iter->valid && 2284b126bd6bSKiran Patil agg_node_iter->agg_id != ICE_INVALID_AGG_NODE_ID) { 2285b126bd6bSKiran Patil agg_id = agg_node_iter->agg_id; 2286b126bd6bSKiran Patil agg_node = agg_node_iter; 2287b126bd6bSKiran Patil break; 2288b126bd6bSKiran Patil } 2289b126bd6bSKiran Patil 2290b126bd6bSKiran Patil /* find unclaimed agg_id */ 2291b126bd6bSKiran Patil if (agg_node_iter->agg_id == ICE_INVALID_AGG_NODE_ID) { 2292b126bd6bSKiran Patil agg_id = node_offset + agg_node_id_start; 2293b126bd6bSKiran Patil agg_node = agg_node_iter; 2294b126bd6bSKiran Patil break; 2295b126bd6bSKiran Patil } 2296b126bd6bSKiran Patil /* move to next agg_node */ 2297b126bd6bSKiran Patil agg_node_iter++; 2298b126bd6bSKiran Patil } 2299b126bd6bSKiran Patil 2300b126bd6bSKiran Patil if (!agg_node) 2301b126bd6bSKiran Patil return; 2302b126bd6bSKiran Patil 2303b126bd6bSKiran Patil /* if selected aggregator node was not created, create it */ 2304b126bd6bSKiran Patil if (!agg_node->valid) { 2305b126bd6bSKiran Patil status = ice_cfg_agg(port_info, agg_id, ICE_AGG_TYPE_AGG, 2306b126bd6bSKiran Patil (u8)vsi->tc_cfg.ena_tc); 2307b126bd6bSKiran Patil if (status) { 2308b126bd6bSKiran Patil dev_err(dev, "unable to create aggregator node with agg_id %u\n", 2309b126bd6bSKiran Patil agg_id); 2310b126bd6bSKiran Patil return; 2311b126bd6bSKiran Patil } 2312b126bd6bSKiran Patil /* aggregator node is created, store the neeeded info */ 2313b126bd6bSKiran Patil agg_node->valid = true; 2314b126bd6bSKiran Patil agg_node->agg_id = agg_id; 2315b126bd6bSKiran Patil } 2316b126bd6bSKiran Patil 2317b126bd6bSKiran Patil /* move VSI to corresponding aggregator node */ 2318b126bd6bSKiran Patil status = ice_move_vsi_to_agg(port_info, agg_id, vsi->idx, 2319b126bd6bSKiran Patil (u8)vsi->tc_cfg.ena_tc); 2320b126bd6bSKiran Patil if (status) { 2321b126bd6bSKiran Patil dev_err(dev, "unable to move VSI idx %u into aggregator %u node", 2322b126bd6bSKiran Patil vsi->idx, agg_id); 2323b126bd6bSKiran Patil return; 2324b126bd6bSKiran Patil } 2325b126bd6bSKiran Patil 2326b126bd6bSKiran Patil /* keep active children count for aggregator node */ 2327b126bd6bSKiran Patil agg_node->num_vsis++; 2328b126bd6bSKiran Patil 2329b126bd6bSKiran Patil /* cache the 'agg_id' in VSI, so that after reset - VSI will be moved 2330b126bd6bSKiran Patil * to aggregator node 2331b126bd6bSKiran Patil */ 2332b126bd6bSKiran Patil vsi->agg_node = agg_node; 2333b126bd6bSKiran Patil dev_dbg(dev, "successfully moved VSI idx %u tc_bitmap 0x%x) into aggregator node %d which has num_vsis %u\n", 2334b126bd6bSKiran Patil vsi->idx, vsi->tc_cfg.ena_tc, vsi->agg_node->agg_id, 2335b126bd6bSKiran Patil vsi->agg_node->num_vsis); 2336b126bd6bSKiran Patil } 2337b126bd6bSKiran Patil 2338b126bd6bSKiran Patil /** 233937bb8390SAnirudh Venkataramanan * ice_vsi_setup - Set up a VSI by a given type 234037bb8390SAnirudh Venkataramanan * @pf: board private structure 234137bb8390SAnirudh Venkataramanan * @pi: pointer to the port_info instance 23426dae8aa0SBruce Allan * @vsi_type: VSI type 2343f9867df6SAnirudh Venkataramanan * @vf_id: defines VF ID to which this VSI connects. This field is meant to be 234437bb8390SAnirudh Venkataramanan * used only for ICE_VSI_VF VSI type. For other VSI types, should 234537bb8390SAnirudh Venkataramanan * fill-in ICE_INVAL_VFID as input. 234637bb8390SAnirudh Venkataramanan * 234737bb8390SAnirudh Venkataramanan * This allocates the sw VSI structure and its queue resources. 234837bb8390SAnirudh Venkataramanan * 234937bb8390SAnirudh Venkataramanan * Returns pointer to the successfully allocated and configured VSI sw struct on 235037bb8390SAnirudh Venkataramanan * success, NULL on failure. 235137bb8390SAnirudh Venkataramanan */ 235237bb8390SAnirudh Venkataramanan struct ice_vsi * 235337bb8390SAnirudh Venkataramanan ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, 23546dae8aa0SBruce Allan enum ice_vsi_type vsi_type, u16 vf_id) 235537bb8390SAnirudh Venkataramanan { 235637bb8390SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 23574015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 2358d31530e8SAkeem G Abodunrin enum ice_status status; 235937bb8390SAnirudh Venkataramanan struct ice_vsi *vsi; 236037bb8390SAnirudh Venkataramanan int ret, i; 236137bb8390SAnirudh Venkataramanan 2362da62c5ffSQi Zhang if (vsi_type == ICE_VSI_VF || vsi_type == ICE_VSI_CTRL) 23636dae8aa0SBruce Allan vsi = ice_vsi_alloc(pf, vsi_type, vf_id); 23645743020dSAkeem G Abodunrin else 23656dae8aa0SBruce Allan vsi = ice_vsi_alloc(pf, vsi_type, ICE_INVAL_VFID); 23665743020dSAkeem G Abodunrin 236737bb8390SAnirudh Venkataramanan if (!vsi) { 236837bb8390SAnirudh Venkataramanan dev_err(dev, "could not allocate VSI\n"); 236937bb8390SAnirudh Venkataramanan return NULL; 237037bb8390SAnirudh Venkataramanan } 237137bb8390SAnirudh Venkataramanan 237237bb8390SAnirudh Venkataramanan vsi->port_info = pi; 237337bb8390SAnirudh Venkataramanan vsi->vsw = pf->first_sw; 2374d95276ceSAkeem G Abodunrin if (vsi->type == ICE_VSI_PF) 2375d95276ceSAkeem G Abodunrin vsi->ethtype = ETH_P_PAUSE; 2376d95276ceSAkeem G Abodunrin 2377da62c5ffSQi Zhang if (vsi->type == ICE_VSI_VF || vsi->type == ICE_VSI_CTRL) 23788ede0178SAnirudh Venkataramanan vsi->vf_id = vf_id; 237937bb8390SAnirudh Venkataramanan 2380148beb61SHenry Tieman ice_alloc_fd_res(vsi); 2381148beb61SHenry Tieman 238237bb8390SAnirudh Venkataramanan if (ice_vsi_get_qs(vsi)) { 238337bb8390SAnirudh Venkataramanan dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n", 238437bb8390SAnirudh Venkataramanan vsi->idx); 2385148beb61SHenry Tieman goto unroll_vsi_alloc; 238637bb8390SAnirudh Venkataramanan } 238737bb8390SAnirudh Venkataramanan 238837bb8390SAnirudh Venkataramanan /* set RSS capabilities */ 238937bb8390SAnirudh Venkataramanan ice_vsi_set_rss_params(vsi); 239037bb8390SAnirudh Venkataramanan 2391f9867df6SAnirudh Venkataramanan /* set TC configuration */ 2392c5a2a4a3SUsha Ketineni ice_vsi_set_tc_cfg(vsi); 2393c5a2a4a3SUsha Ketineni 239437bb8390SAnirudh Venkataramanan /* create the VSI */ 239587324e74SHenry Tieman ret = ice_vsi_init(vsi, true); 239637bb8390SAnirudh Venkataramanan if (ret) 239737bb8390SAnirudh Venkataramanan goto unroll_get_qs; 239837bb8390SAnirudh Venkataramanan 239937bb8390SAnirudh Venkataramanan switch (vsi->type) { 2400148beb61SHenry Tieman case ICE_VSI_CTRL: 240137bb8390SAnirudh Venkataramanan case ICE_VSI_PF: 240237bb8390SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 240337bb8390SAnirudh Venkataramanan if (ret) 240437bb8390SAnirudh Venkataramanan goto unroll_vsi_init; 240537bb8390SAnirudh Venkataramanan 240637bb8390SAnirudh Venkataramanan ret = ice_vsi_setup_vector_base(vsi); 240737bb8390SAnirudh Venkataramanan if (ret) 240837bb8390SAnirudh Venkataramanan goto unroll_alloc_q_vector; 240937bb8390SAnirudh Venkataramanan 2410b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2411b07833a0SBrett Creeley if (ret) 2412b07833a0SBrett Creeley goto unroll_vector_base; 2413b07833a0SBrett Creeley 241437bb8390SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 241537bb8390SAnirudh Venkataramanan if (ret) 241637bb8390SAnirudh Venkataramanan goto unroll_vector_base; 241737bb8390SAnirudh Venkataramanan 241842f3efefSBrett Creeley /* Always add VLAN ID 0 switch rule by default. This is needed 241942f3efefSBrett Creeley * in order to allow all untagged and 0 tagged priority traffic 242042f3efefSBrett Creeley * if Rx VLAN pruning is enabled. Also there are cases where we 242142f3efefSBrett Creeley * don't get the call to add VLAN 0 via ice_vlan_rx_add_vid() 242242f3efefSBrett Creeley * so this handles those cases (i.e. adding the PF to a bridge 242342f3efefSBrett Creeley * without the 8021q module loaded). 242442f3efefSBrett Creeley */ 24251b8f15b6SMichal Swiatkowski ret = ice_vsi_add_vlan(vsi, 0, ICE_FWD_TO_VSI); 242642f3efefSBrett Creeley if (ret) 242742f3efefSBrett Creeley goto unroll_clear_rings; 242842f3efefSBrett Creeley 242937bb8390SAnirudh Venkataramanan ice_vsi_map_rings_to_vectors(vsi); 243037bb8390SAnirudh Venkataramanan 2431148beb61SHenry Tieman /* ICE_VSI_CTRL does not need RSS so skip RSS processing */ 2432148beb61SHenry Tieman if (vsi->type != ICE_VSI_CTRL) 2433148beb61SHenry Tieman /* Do not exit if configuring RSS had an issue, at 2434148beb61SHenry Tieman * least receive traffic on first queue. Hence no 2435148beb61SHenry Tieman * need to capture return value 243637bb8390SAnirudh Venkataramanan */ 2437c90ed40cSTony Nguyen if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 243837bb8390SAnirudh Venkataramanan ice_vsi_cfg_rss_lut_key(vsi); 2439c90ed40cSTony Nguyen ice_vsi_set_rss_flow_fld(vsi); 2440c90ed40cSTony Nguyen } 244128bf2672SBrett Creeley ice_init_arfs(vsi); 244237bb8390SAnirudh Venkataramanan break; 24438ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 24448ede0178SAnirudh Venkataramanan /* VF driver will take care of creating netdev for this type and 24458ede0178SAnirudh Venkataramanan * map queues to vectors through Virtchnl, PF driver only 24468ede0178SAnirudh Venkataramanan * creates a VSI and corresponding structures for bookkeeping 24478ede0178SAnirudh Venkataramanan * purpose 24488ede0178SAnirudh Venkataramanan */ 24498ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 24508ede0178SAnirudh Venkataramanan if (ret) 24518ede0178SAnirudh Venkataramanan goto unroll_vsi_init; 24528ede0178SAnirudh Venkataramanan 24538ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 24548ede0178SAnirudh Venkataramanan if (ret) 24558ede0178SAnirudh Venkataramanan goto unroll_alloc_q_vector; 24568ede0178SAnirudh Venkataramanan 2457b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2458b07833a0SBrett Creeley if (ret) 2459b07833a0SBrett Creeley goto unroll_vector_base; 2460b07833a0SBrett Creeley 24613a9e32bbSMd Fahad Iqbal Polash /* Do not exit if configuring RSS had an issue, at least 24623a9e32bbSMd Fahad Iqbal Polash * receive traffic on first queue. Hence no need to capture 24633a9e32bbSMd Fahad Iqbal Polash * return value 24643a9e32bbSMd Fahad Iqbal Polash */ 24651c01c8c6SMd Fahad Iqbal Polash if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 24663a9e32bbSMd Fahad Iqbal Polash ice_vsi_cfg_rss_lut_key(vsi); 24671c01c8c6SMd Fahad Iqbal Polash ice_vsi_set_vf_rss_flow_fld(vsi); 24681c01c8c6SMd Fahad Iqbal Polash } 24698ede0178SAnirudh Venkataramanan break; 24700e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 24710e674aebSAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 24720e674aebSAnirudh Venkataramanan if (ret) 24730e674aebSAnirudh Venkataramanan goto unroll_vsi_init; 24740e674aebSAnirudh Venkataramanan break; 247537bb8390SAnirudh Venkataramanan default: 2476df17b7e0SAnirudh Venkataramanan /* clean up the resources and exit */ 247737bb8390SAnirudh Venkataramanan goto unroll_vsi_init; 247837bb8390SAnirudh Venkataramanan } 247937bb8390SAnirudh Venkataramanan 248037bb8390SAnirudh Venkataramanan /* configure VSI nodes based on number of queues and TC's */ 248137bb8390SAnirudh Venkataramanan for (i = 0; i < vsi->tc_cfg.numtc; i++) 2482d5a46359SAkeem G Abodunrin max_txqs[i] = vsi->alloc_txq; 248337bb8390SAnirudh Venkataramanan 2484d31530e8SAkeem G Abodunrin status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 24854fb33f31SAnirudh Venkataramanan max_txqs); 2486d31530e8SAkeem G Abodunrin if (status) { 24870fee3577SLihong Yang dev_err(dev, "VSI %d failed lan queue config, error %s\n", 24880fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 2489f6a07271SJacob Keller goto unroll_clear_rings; 249037bb8390SAnirudh Venkataramanan } 249137bb8390SAnirudh Venkataramanan 2492d95276ceSAkeem G Abodunrin /* Add switch rule to drop all Tx Flow Control Frames, of look up 2493d95276ceSAkeem G Abodunrin * type ETHERTYPE from VSIs, and restrict malicious VF from sending 2494d95276ceSAkeem G Abodunrin * out PAUSE or PFC frames. If enabled, FW can still send FC frames. 2495d95276ceSAkeem G Abodunrin * The rule is added once for PF VSI in order to create appropriate 2496d95276ceSAkeem G Abodunrin * recipe, since VSI/VSI list is ignored with drop action... 2497241c8cf0SPaul Greenwalt * Also add rules to handle LLDP Tx packets. Tx LLDP packets need to 2498241c8cf0SPaul Greenwalt * be dropped so that VFs cannot send LLDP packets to reconfig DCB 2499241c8cf0SPaul Greenwalt * settings in the HW. 2500d95276ceSAkeem G Abodunrin */ 2501241c8cf0SPaul Greenwalt if (!ice_is_safe_mode(pf)) 25022e0e6228SDave Ertman if (vsi->type == ICE_VSI_PF) { 25031b8f15b6SMichal Swiatkowski ice_fltr_add_eth(vsi, ETH_P_PAUSE, ICE_FLTR_TX, 25041b8f15b6SMichal Swiatkowski ICE_DROP_PACKET); 25052e0e6228SDave Ertman ice_cfg_sw_lldp(vsi, true, true); 2506462acf6aSTony Nguyen } 25072e0e6228SDave Ertman 2508b126bd6bSKiran Patil if (!vsi->agg_node) 2509b126bd6bSKiran Patil ice_set_agg_vsi(vsi); 251037bb8390SAnirudh Venkataramanan return vsi; 251137bb8390SAnirudh Venkataramanan 251242f3efefSBrett Creeley unroll_clear_rings: 251342f3efefSBrett Creeley ice_vsi_clear_rings(vsi); 251437bb8390SAnirudh Venkataramanan unroll_vector_base: 2515eb0208ecSPreethi Banala /* reclaim SW interrupts back to the common pool */ 2516cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 2517eb0208ecSPreethi Banala pf->num_avail_sw_msix += vsi->num_q_vectors; 251837bb8390SAnirudh Venkataramanan unroll_alloc_q_vector: 251937bb8390SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 252037bb8390SAnirudh Venkataramanan unroll_vsi_init: 252137bb8390SAnirudh Venkataramanan ice_vsi_delete(vsi); 252237bb8390SAnirudh Venkataramanan unroll_get_qs: 252337bb8390SAnirudh Venkataramanan ice_vsi_put_qs(vsi); 2524148beb61SHenry Tieman unroll_vsi_alloc: 2525df006dd4SDave Ertman if (vsi_type == ICE_VSI_VF) 2526df006dd4SDave Ertman ice_enable_lag(pf->lag); 252737bb8390SAnirudh Venkataramanan ice_vsi_clear(vsi); 252837bb8390SAnirudh Venkataramanan 252937bb8390SAnirudh Venkataramanan return NULL; 253037bb8390SAnirudh Venkataramanan } 253137bb8390SAnirudh Venkataramanan 253237bb8390SAnirudh Venkataramanan /** 25335153a18eSAnirudh Venkataramanan * ice_vsi_release_msix - Clear the queue to Interrupt mapping in HW 25345153a18eSAnirudh Venkataramanan * @vsi: the VSI being cleaned up 25355153a18eSAnirudh Venkataramanan */ 25365153a18eSAnirudh Venkataramanan static void ice_vsi_release_msix(struct ice_vsi *vsi) 25375153a18eSAnirudh Venkataramanan { 25385153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 25395153a18eSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 25405153a18eSAnirudh Venkataramanan u32 txq = 0; 25415153a18eSAnirudh Venkataramanan u32 rxq = 0; 25425153a18eSAnirudh Venkataramanan int i, q; 25435153a18eSAnirudh Venkataramanan 2544cbe66bfeSBrett Creeley for (i = 0; i < vsi->num_q_vectors; i++) { 25455153a18eSAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[i]; 25465153a18eSAnirudh Venkataramanan 2547b8b47723SJesse Brandeburg ice_write_intrl(q_vector, 0); 25485153a18eSAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_tx; q++) { 2549b8b47723SJesse Brandeburg ice_write_itr(&q_vector->tx, 0); 25505153a18eSAnirudh Venkataramanan wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0); 2551efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) { 2552efc2214bSMaciej Fijalkowski u32 xdp_txq = txq + vsi->num_xdp_txq; 2553efc2214bSMaciej Fijalkowski 2554efc2214bSMaciej Fijalkowski wr32(hw, QINT_TQCTL(vsi->txq_map[xdp_txq]), 0); 2555efc2214bSMaciej Fijalkowski } 25565153a18eSAnirudh Venkataramanan txq++; 25575153a18eSAnirudh Venkataramanan } 25585153a18eSAnirudh Venkataramanan 25595153a18eSAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_rx; q++) { 2560b8b47723SJesse Brandeburg ice_write_itr(&q_vector->rx, 0); 25615153a18eSAnirudh Venkataramanan wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), 0); 25625153a18eSAnirudh Venkataramanan rxq++; 25635153a18eSAnirudh Venkataramanan } 25645153a18eSAnirudh Venkataramanan } 25655153a18eSAnirudh Venkataramanan 25665153a18eSAnirudh Venkataramanan ice_flush(hw); 25675153a18eSAnirudh Venkataramanan } 25685153a18eSAnirudh Venkataramanan 25695153a18eSAnirudh Venkataramanan /** 25705153a18eSAnirudh Venkataramanan * ice_vsi_free_irq - Free the IRQ association with the OS 25715153a18eSAnirudh Venkataramanan * @vsi: the VSI being configured 25725153a18eSAnirudh Venkataramanan */ 25735153a18eSAnirudh Venkataramanan void ice_vsi_free_irq(struct ice_vsi *vsi) 25745153a18eSAnirudh Venkataramanan { 25755153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 2576cbe66bfeSBrett Creeley int base = vsi->base_vector; 25775153a18eSAnirudh Venkataramanan int i; 25785153a18eSAnirudh Venkataramanan 25795153a18eSAnirudh Venkataramanan if (!vsi->q_vectors || !vsi->irqs_ready) 25805153a18eSAnirudh Venkataramanan return; 25815153a18eSAnirudh Venkataramanan 2582eb0208ecSPreethi Banala ice_vsi_release_msix(vsi); 25838ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 25848ede0178SAnirudh Venkataramanan return; 2585eb0208ecSPreethi Banala 25865153a18eSAnirudh Venkataramanan vsi->irqs_ready = false; 25870c2561c8SBrett Creeley ice_for_each_q_vector(vsi, i) { 25885153a18eSAnirudh Venkataramanan u16 vector = i + base; 25895153a18eSAnirudh Venkataramanan int irq_num; 25905153a18eSAnirudh Venkataramanan 25915153a18eSAnirudh Venkataramanan irq_num = pf->msix_entries[vector].vector; 25925153a18eSAnirudh Venkataramanan 25935153a18eSAnirudh Venkataramanan /* free only the irqs that were actually requested */ 25945153a18eSAnirudh Venkataramanan if (!vsi->q_vectors[i] || 25955153a18eSAnirudh Venkataramanan !(vsi->q_vectors[i]->num_ring_tx || 25965153a18eSAnirudh Venkataramanan vsi->q_vectors[i]->num_ring_rx)) 25975153a18eSAnirudh Venkataramanan continue; 25985153a18eSAnirudh Venkataramanan 25995153a18eSAnirudh Venkataramanan /* clear the affinity notifier in the IRQ descriptor */ 26005153a18eSAnirudh Venkataramanan irq_set_affinity_notifier(irq_num, NULL); 26015153a18eSAnirudh Venkataramanan 26025153a18eSAnirudh Venkataramanan /* clear the affinity_mask in the IRQ descriptor */ 26035153a18eSAnirudh Venkataramanan irq_set_affinity_hint(irq_num, NULL); 26045153a18eSAnirudh Venkataramanan synchronize_irq(irq_num); 26054015d11eSBrett Creeley devm_free_irq(ice_pf_to_dev(pf), irq_num, vsi->q_vectors[i]); 26065153a18eSAnirudh Venkataramanan } 26075153a18eSAnirudh Venkataramanan } 26085153a18eSAnirudh Venkataramanan 26095153a18eSAnirudh Venkataramanan /** 26105153a18eSAnirudh Venkataramanan * ice_vsi_free_tx_rings - Free Tx resources for VSI queues 26115153a18eSAnirudh Venkataramanan * @vsi: the VSI having resources freed 26125153a18eSAnirudh Venkataramanan */ 26135153a18eSAnirudh Venkataramanan void ice_vsi_free_tx_rings(struct ice_vsi *vsi) 26145153a18eSAnirudh Venkataramanan { 26155153a18eSAnirudh Venkataramanan int i; 26165153a18eSAnirudh Venkataramanan 26175153a18eSAnirudh Venkataramanan if (!vsi->tx_rings) 26185153a18eSAnirudh Venkataramanan return; 26195153a18eSAnirudh Venkataramanan 26205153a18eSAnirudh Venkataramanan ice_for_each_txq(vsi, i) 26215153a18eSAnirudh Venkataramanan if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc) 26225153a18eSAnirudh Venkataramanan ice_free_tx_ring(vsi->tx_rings[i]); 26235153a18eSAnirudh Venkataramanan } 26245153a18eSAnirudh Venkataramanan 26255153a18eSAnirudh Venkataramanan /** 26265153a18eSAnirudh Venkataramanan * ice_vsi_free_rx_rings - Free Rx resources for VSI queues 26275153a18eSAnirudh Venkataramanan * @vsi: the VSI having resources freed 26285153a18eSAnirudh Venkataramanan */ 26295153a18eSAnirudh Venkataramanan void ice_vsi_free_rx_rings(struct ice_vsi *vsi) 26305153a18eSAnirudh Venkataramanan { 26315153a18eSAnirudh Venkataramanan int i; 26325153a18eSAnirudh Venkataramanan 26335153a18eSAnirudh Venkataramanan if (!vsi->rx_rings) 26345153a18eSAnirudh Venkataramanan return; 26355153a18eSAnirudh Venkataramanan 26365153a18eSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) 26375153a18eSAnirudh Venkataramanan if (vsi->rx_rings[i] && vsi->rx_rings[i]->desc) 26385153a18eSAnirudh Venkataramanan ice_free_rx_ring(vsi->rx_rings[i]); 26395153a18eSAnirudh Venkataramanan } 26405153a18eSAnirudh Venkataramanan 26415153a18eSAnirudh Venkataramanan /** 264207309a0eSAnirudh Venkataramanan * ice_vsi_close - Shut down a VSI 264307309a0eSAnirudh Venkataramanan * @vsi: the VSI being shut down 264407309a0eSAnirudh Venkataramanan */ 264507309a0eSAnirudh Venkataramanan void ice_vsi_close(struct ice_vsi *vsi) 264607309a0eSAnirudh Venkataramanan { 2647e97fb1aeSAnirudh Venkataramanan if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) 264807309a0eSAnirudh Venkataramanan ice_down(vsi); 264907309a0eSAnirudh Venkataramanan 265007309a0eSAnirudh Venkataramanan ice_vsi_free_irq(vsi); 265107309a0eSAnirudh Venkataramanan ice_vsi_free_tx_rings(vsi); 265207309a0eSAnirudh Venkataramanan ice_vsi_free_rx_rings(vsi); 265307309a0eSAnirudh Venkataramanan } 265407309a0eSAnirudh Venkataramanan 265507309a0eSAnirudh Venkataramanan /** 26569d614b64SAnirudh Venkataramanan * ice_ena_vsi - resume a VSI 26579d614b64SAnirudh Venkataramanan * @vsi: the VSI being resume 26589d614b64SAnirudh Venkataramanan * @locked: is the rtnl_lock already held 26599d614b64SAnirudh Venkataramanan */ 26609d614b64SAnirudh Venkataramanan int ice_ena_vsi(struct ice_vsi *vsi, bool locked) 26619d614b64SAnirudh Venkataramanan { 26629d614b64SAnirudh Venkataramanan int err = 0; 26639d614b64SAnirudh Venkataramanan 2664e97fb1aeSAnirudh Venkataramanan if (!test_bit(ICE_VSI_NEEDS_RESTART, vsi->state)) 26659d614b64SAnirudh Venkataramanan return 0; 26669d614b64SAnirudh Venkataramanan 2667e97fb1aeSAnirudh Venkataramanan clear_bit(ICE_VSI_NEEDS_RESTART, vsi->state); 26689d614b64SAnirudh Venkataramanan 26699d614b64SAnirudh Venkataramanan if (vsi->netdev && vsi->type == ICE_VSI_PF) { 26709d614b64SAnirudh Venkataramanan if (netif_running(vsi->netdev)) { 26719d614b64SAnirudh Venkataramanan if (!locked) 26729d614b64SAnirudh Venkataramanan rtnl_lock(); 26739d614b64SAnirudh Venkataramanan 2674e95fc857SKrzysztof Goreczny err = ice_open_internal(vsi->netdev); 26759d614b64SAnirudh Venkataramanan 26769d614b64SAnirudh Venkataramanan if (!locked) 26779d614b64SAnirudh Venkataramanan rtnl_unlock(); 26789d614b64SAnirudh Venkataramanan } 2679148beb61SHenry Tieman } else if (vsi->type == ICE_VSI_CTRL) { 2680148beb61SHenry Tieman err = ice_vsi_open_ctrl(vsi); 26819d614b64SAnirudh Venkataramanan } 26829d614b64SAnirudh Venkataramanan 26839d614b64SAnirudh Venkataramanan return err; 26849d614b64SAnirudh Venkataramanan } 26859d614b64SAnirudh Venkataramanan 26869d614b64SAnirudh Venkataramanan /** 26879d614b64SAnirudh Venkataramanan * ice_dis_vsi - pause a VSI 26889d614b64SAnirudh Venkataramanan * @vsi: the VSI being paused 26899d614b64SAnirudh Venkataramanan * @locked: is the rtnl_lock already held 26909d614b64SAnirudh Venkataramanan */ 26919d614b64SAnirudh Venkataramanan void ice_dis_vsi(struct ice_vsi *vsi, bool locked) 26929d614b64SAnirudh Venkataramanan { 2693e97fb1aeSAnirudh Venkataramanan if (test_bit(ICE_VSI_DOWN, vsi->state)) 26949d614b64SAnirudh Venkataramanan return; 26959d614b64SAnirudh Venkataramanan 2696e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_NEEDS_RESTART, vsi->state); 26979d614b64SAnirudh Venkataramanan 26989d614b64SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF && vsi->netdev) { 26999d614b64SAnirudh Venkataramanan if (netif_running(vsi->netdev)) { 27009d614b64SAnirudh Venkataramanan if (!locked) 27019d614b64SAnirudh Venkataramanan rtnl_lock(); 27029d614b64SAnirudh Venkataramanan 2703e95fc857SKrzysztof Goreczny ice_vsi_close(vsi); 27049d614b64SAnirudh Venkataramanan 27059d614b64SAnirudh Venkataramanan if (!locked) 27069d614b64SAnirudh Venkataramanan rtnl_unlock(); 27079d614b64SAnirudh Venkataramanan } else { 27089d614b64SAnirudh Venkataramanan ice_vsi_close(vsi); 27099d614b64SAnirudh Venkataramanan } 2710148beb61SHenry Tieman } else if (vsi->type == ICE_VSI_CTRL) { 2711148beb61SHenry Tieman ice_vsi_close(vsi); 27129d614b64SAnirudh Venkataramanan } 27139d614b64SAnirudh Venkataramanan } 27149d614b64SAnirudh Venkataramanan 27159d614b64SAnirudh Venkataramanan /** 27165153a18eSAnirudh Venkataramanan * ice_vsi_dis_irq - Mask off queue interrupt generation on the VSI 27175153a18eSAnirudh Venkataramanan * @vsi: the VSI being un-configured 27185153a18eSAnirudh Venkataramanan */ 27195153a18eSAnirudh Venkataramanan void ice_vsi_dis_irq(struct ice_vsi *vsi) 27205153a18eSAnirudh Venkataramanan { 2721cbe66bfeSBrett Creeley int base = vsi->base_vector; 27225153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 27235153a18eSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 27245153a18eSAnirudh Venkataramanan u32 val; 27255153a18eSAnirudh Venkataramanan int i; 27265153a18eSAnirudh Venkataramanan 27275153a18eSAnirudh Venkataramanan /* disable interrupt causation from each queue */ 27285153a18eSAnirudh Venkataramanan if (vsi->tx_rings) { 27295153a18eSAnirudh Venkataramanan ice_for_each_txq(vsi, i) { 27305153a18eSAnirudh Venkataramanan if (vsi->tx_rings[i]) { 27315153a18eSAnirudh Venkataramanan u16 reg; 27325153a18eSAnirudh Venkataramanan 27335153a18eSAnirudh Venkataramanan reg = vsi->tx_rings[i]->reg_idx; 27345153a18eSAnirudh Venkataramanan val = rd32(hw, QINT_TQCTL(reg)); 27355153a18eSAnirudh Venkataramanan val &= ~QINT_TQCTL_CAUSE_ENA_M; 27365153a18eSAnirudh Venkataramanan wr32(hw, QINT_TQCTL(reg), val); 27375153a18eSAnirudh Venkataramanan } 27385153a18eSAnirudh Venkataramanan } 27395153a18eSAnirudh Venkataramanan } 27405153a18eSAnirudh Venkataramanan 27415153a18eSAnirudh Venkataramanan if (vsi->rx_rings) { 27425153a18eSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) { 27435153a18eSAnirudh Venkataramanan if (vsi->rx_rings[i]) { 27445153a18eSAnirudh Venkataramanan u16 reg; 27455153a18eSAnirudh Venkataramanan 27465153a18eSAnirudh Venkataramanan reg = vsi->rx_rings[i]->reg_idx; 27475153a18eSAnirudh Venkataramanan val = rd32(hw, QINT_RQCTL(reg)); 27485153a18eSAnirudh Venkataramanan val &= ~QINT_RQCTL_CAUSE_ENA_M; 27495153a18eSAnirudh Venkataramanan wr32(hw, QINT_RQCTL(reg), val); 27505153a18eSAnirudh Venkataramanan } 27515153a18eSAnirudh Venkataramanan } 27525153a18eSAnirudh Venkataramanan } 27535153a18eSAnirudh Venkataramanan 27545153a18eSAnirudh Venkataramanan /* disable each interrupt */ 2755462acf6aSTony Nguyen ice_for_each_q_vector(vsi, i) { 2756462acf6aSTony Nguyen if (!vsi->q_vectors[i]) 2757462acf6aSTony Nguyen continue; 2758b07833a0SBrett Creeley wr32(hw, GLINT_DYN_CTL(vsi->q_vectors[i]->reg_idx), 0); 2759462acf6aSTony Nguyen } 27605153a18eSAnirudh Venkataramanan 27615153a18eSAnirudh Venkataramanan ice_flush(hw); 2762b07833a0SBrett Creeley 2763da4a9e73SBrett Creeley /* don't call synchronize_irq() for VF's from the host */ 2764da4a9e73SBrett Creeley if (vsi->type == ICE_VSI_VF) 2765da4a9e73SBrett Creeley return; 2766da4a9e73SBrett Creeley 27670c2561c8SBrett Creeley ice_for_each_q_vector(vsi, i) 27685153a18eSAnirudh Venkataramanan synchronize_irq(pf->msix_entries[i + base].vector); 27695153a18eSAnirudh Venkataramanan } 27705153a18eSAnirudh Venkataramanan 27715153a18eSAnirudh Venkataramanan /** 2772561f4379STony Nguyen * ice_napi_del - Remove NAPI handler for the VSI 2773561f4379STony Nguyen * @vsi: VSI for which NAPI handler is to be removed 2774561f4379STony Nguyen */ 2775561f4379STony Nguyen void ice_napi_del(struct ice_vsi *vsi) 2776561f4379STony Nguyen { 2777561f4379STony Nguyen int v_idx; 2778561f4379STony Nguyen 2779561f4379STony Nguyen if (!vsi->netdev) 2780561f4379STony Nguyen return; 2781561f4379STony Nguyen 2782561f4379STony Nguyen ice_for_each_q_vector(vsi, v_idx) 2783561f4379STony Nguyen netif_napi_del(&vsi->q_vectors[v_idx]->napi); 2784561f4379STony Nguyen } 2785561f4379STony Nguyen 2786561f4379STony Nguyen /** 2787df0f8479SAnirudh Venkataramanan * ice_vsi_release - Delete a VSI and free its resources 2788df0f8479SAnirudh Venkataramanan * @vsi: the VSI being removed 2789df0f8479SAnirudh Venkataramanan * 2790df0f8479SAnirudh Venkataramanan * Returns 0 on success or < 0 on error 2791df0f8479SAnirudh Venkataramanan */ 2792df0f8479SAnirudh Venkataramanan int ice_vsi_release(struct ice_vsi *vsi) 2793df0f8479SAnirudh Venkataramanan { 2794df0f8479SAnirudh Venkataramanan struct ice_pf *pf; 2795df0f8479SAnirudh Venkataramanan 2796df0f8479SAnirudh Venkataramanan if (!vsi->back) 2797df0f8479SAnirudh Venkataramanan return -ENODEV; 2798df0f8479SAnirudh Venkataramanan pf = vsi->back; 2799b751930cSBrett Creeley 2800aa6ccf3fSBrett Creeley /* do not unregister while driver is in the reset recovery pending 2801aa6ccf3fSBrett Creeley * state. Since reset/rebuild happens through PF service task workqueue, 2802aa6ccf3fSBrett Creeley * it's not a good idea to unregister netdev that is associated to the 2803aa6ccf3fSBrett Creeley * PF that is running the work queue items currently. This is done to 2804aa6ccf3fSBrett Creeley * avoid check_flush_dependency() warning on this wq 2805df0f8479SAnirudh Venkataramanan */ 2806a476d72aSAnirudh Venkataramanan if (vsi->netdev && !ice_is_reset_in_progress(pf->state) && 2807a476d72aSAnirudh Venkataramanan (test_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state))) { 2808df0f8479SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 2809a476d72aSAnirudh Venkataramanan clear_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state); 281048d40025SJacob Keller } 2811df0f8479SAnirudh Venkataramanan 2812a476d72aSAnirudh Venkataramanan ice_devlink_destroy_port(vsi); 2813a476d72aSAnirudh Venkataramanan 2814df0f8479SAnirudh Venkataramanan if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 2815df0f8479SAnirudh Venkataramanan ice_rss_clean(vsi); 2816df0f8479SAnirudh Venkataramanan 2817df0f8479SAnirudh Venkataramanan /* Disable VSI and free resources */ 28180e674aebSAnirudh Venkataramanan if (vsi->type != ICE_VSI_LB) 2819df0f8479SAnirudh Venkataramanan ice_vsi_dis_irq(vsi); 2820df0f8479SAnirudh Venkataramanan ice_vsi_close(vsi); 2821df0f8479SAnirudh Venkataramanan 2822cbe66bfeSBrett Creeley /* SR-IOV determines needed MSIX resources all at once instead of per 2823cbe66bfeSBrett Creeley * VSI since when VFs are spawned we know how many VFs there are and how 2824cbe66bfeSBrett Creeley * many interrupts each VF needs. SR-IOV MSIX resources are also 2825cbe66bfeSBrett Creeley * cleared in the same manner. 2826cbe66bfeSBrett Creeley */ 2827da62c5ffSQi Zhang if (vsi->type == ICE_VSI_CTRL && vsi->vf_id != ICE_INVAL_VFID) { 2828da62c5ffSQi Zhang struct ice_vf *vf; 2829da62c5ffSQi Zhang int i; 2830da62c5ffSQi Zhang 2831da62c5ffSQi Zhang ice_for_each_vf(pf, i) { 2832da62c5ffSQi Zhang vf = &pf->vf[i]; 2833da62c5ffSQi Zhang if (i != vsi->vf_id && vf->ctrl_vsi_idx != ICE_NO_VSI) 2834da62c5ffSQi Zhang break; 2835da62c5ffSQi Zhang } 2836da62c5ffSQi Zhang if (i == pf->num_alloc_vfs) { 2837da62c5ffSQi Zhang /* No other VFs left that have control VSI, reclaim SW 2838da62c5ffSQi Zhang * interrupts back to the common pool 2839da62c5ffSQi Zhang */ 2840da62c5ffSQi Zhang ice_free_res(pf->irq_tracker, vsi->base_vector, 2841da62c5ffSQi Zhang ICE_RES_VF_CTRL_VEC_ID); 2842da62c5ffSQi Zhang pf->num_avail_sw_msix += vsi->num_q_vectors; 2843da62c5ffSQi Zhang } 2844da62c5ffSQi Zhang } else if (vsi->type != ICE_VSI_VF) { 28458ede0178SAnirudh Venkataramanan /* reclaim SW interrupts back to the common pool */ 2846cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 2847eb0208ecSPreethi Banala pf->num_avail_sw_msix += vsi->num_q_vectors; 28488ede0178SAnirudh Venkataramanan } 2849df0f8479SAnirudh Venkataramanan 2850462acf6aSTony Nguyen if (!ice_is_safe_mode(pf)) { 28512e0e6228SDave Ertman if (vsi->type == ICE_VSI_PF) { 28521b8f15b6SMichal Swiatkowski ice_fltr_remove_eth(vsi, ETH_P_PAUSE, ICE_FLTR_TX, 28531b8f15b6SMichal Swiatkowski ICE_DROP_PACKET); 28542e0e6228SDave Ertman ice_cfg_sw_lldp(vsi, true, false); 28552e0e6228SDave Ertman /* The Rx rule will only exist to remove if the LLDP FW 28562e0e6228SDave Ertman * engine is currently stopped 28572e0e6228SDave Ertman */ 285884a118abSDave Ertman if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) 28592e0e6228SDave Ertman ice_cfg_sw_lldp(vsi, false, false); 28602e0e6228SDave Ertman } 2861462acf6aSTony Nguyen } 2862d95276ceSAkeem G Abodunrin 28631b8f15b6SMichal Swiatkowski ice_fltr_remove_all(vsi); 286410e03a22SAnirudh Venkataramanan ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); 2865df0f8479SAnirudh Venkataramanan ice_vsi_delete(vsi); 2866df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 2867aa6ccf3fSBrett Creeley 2868a476d72aSAnirudh Venkataramanan if (vsi->netdev) { 2869a476d72aSAnirudh Venkataramanan if (test_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state)) { 2870a476d72aSAnirudh Venkataramanan unregister_netdev(vsi->netdev); 2871a476d72aSAnirudh Venkataramanan clear_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state); 2872a476d72aSAnirudh Venkataramanan } 2873a476d72aSAnirudh Venkataramanan if (test_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state)) { 2874aa6ccf3fSBrett Creeley free_netdev(vsi->netdev); 2875aa6ccf3fSBrett Creeley vsi->netdev = NULL; 2876a476d72aSAnirudh Venkataramanan clear_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state); 2877a476d72aSAnirudh Venkataramanan } 2878aa6ccf3fSBrett Creeley } 2879aa6ccf3fSBrett Creeley 2880b126bd6bSKiran Patil if (vsi->type == ICE_VSI_VF && 2881b126bd6bSKiran Patil vsi->agg_node && vsi->agg_node->valid) 2882b126bd6bSKiran Patil vsi->agg_node->num_vsis--; 2883df0f8479SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 2884df0f8479SAnirudh Venkataramanan 2885df0f8479SAnirudh Venkataramanan ice_vsi_put_qs(vsi); 2886df0f8479SAnirudh Venkataramanan 2887df0f8479SAnirudh Venkataramanan /* retain SW VSI data structure since it is needed to unregister and 2888df0f8479SAnirudh Venkataramanan * free VSI netdev when PF is not in reset recovery pending state,\ 2889df0f8479SAnirudh Venkataramanan * for ex: during rmmod. 2890df0f8479SAnirudh Venkataramanan */ 28915df7e45dSDave Ertman if (!ice_is_reset_in_progress(pf->state)) 2892df0f8479SAnirudh Venkataramanan ice_vsi_clear(vsi); 2893df0f8479SAnirudh Venkataramanan 2894df0f8479SAnirudh Venkataramanan return 0; 2895df0f8479SAnirudh Venkataramanan } 2896df0f8479SAnirudh Venkataramanan 2897df0f8479SAnirudh Venkataramanan /** 289861dc79ceSMichal Swiatkowski * ice_vsi_rebuild_get_coalesce - get coalesce from all q_vectors 289961dc79ceSMichal Swiatkowski * @vsi: VSI connected with q_vectors 290061dc79ceSMichal Swiatkowski * @coalesce: array of struct with stored coalesce 290161dc79ceSMichal Swiatkowski * 290261dc79ceSMichal Swiatkowski * Returns array size. 290361dc79ceSMichal Swiatkowski */ 290461dc79ceSMichal Swiatkowski static int 290561dc79ceSMichal Swiatkowski ice_vsi_rebuild_get_coalesce(struct ice_vsi *vsi, 290661dc79ceSMichal Swiatkowski struct ice_coalesce_stored *coalesce) 290761dc79ceSMichal Swiatkowski { 290861dc79ceSMichal Swiatkowski int i; 290961dc79ceSMichal Swiatkowski 291061dc79ceSMichal Swiatkowski ice_for_each_q_vector(vsi, i) { 291161dc79ceSMichal Swiatkowski struct ice_q_vector *q_vector = vsi->q_vectors[i]; 291261dc79ceSMichal Swiatkowski 291361dc79ceSMichal Swiatkowski coalesce[i].itr_tx = q_vector->tx.itr_setting; 291461dc79ceSMichal Swiatkowski coalesce[i].itr_rx = q_vector->rx.itr_setting; 291561dc79ceSMichal Swiatkowski coalesce[i].intrl = q_vector->intrl; 29162ec56385SPaul M Stillwell Jr 29172ec56385SPaul M Stillwell Jr if (i < vsi->num_txq) 29182ec56385SPaul M Stillwell Jr coalesce[i].tx_valid = true; 29192ec56385SPaul M Stillwell Jr if (i < vsi->num_rxq) 29202ec56385SPaul M Stillwell Jr coalesce[i].rx_valid = true; 292161dc79ceSMichal Swiatkowski } 292261dc79ceSMichal Swiatkowski 292361dc79ceSMichal Swiatkowski return vsi->num_q_vectors; 292461dc79ceSMichal Swiatkowski } 292561dc79ceSMichal Swiatkowski 292661dc79ceSMichal Swiatkowski /** 292761dc79ceSMichal Swiatkowski * ice_vsi_rebuild_set_coalesce - set coalesce from earlier saved arrays 292861dc79ceSMichal Swiatkowski * @vsi: VSI connected with q_vectors 292961dc79ceSMichal Swiatkowski * @coalesce: pointer to array of struct with stored coalesce 293061dc79ceSMichal Swiatkowski * @size: size of coalesce array 293161dc79ceSMichal Swiatkowski * 293261dc79ceSMichal Swiatkowski * Before this function, ice_vsi_rebuild_get_coalesce should be called to save 293361dc79ceSMichal Swiatkowski * ITR params in arrays. If size is 0 or coalesce wasn't stored set coalesce 293461dc79ceSMichal Swiatkowski * to default value. 293561dc79ceSMichal Swiatkowski */ 293661dc79ceSMichal Swiatkowski static void 293761dc79ceSMichal Swiatkowski ice_vsi_rebuild_set_coalesce(struct ice_vsi *vsi, 293861dc79ceSMichal Swiatkowski struct ice_coalesce_stored *coalesce, int size) 293961dc79ceSMichal Swiatkowski { 2940b8b47723SJesse Brandeburg struct ice_ring_container *rc; 294161dc79ceSMichal Swiatkowski int i; 294261dc79ceSMichal Swiatkowski 294361dc79ceSMichal Swiatkowski if ((size && !coalesce) || !vsi) 294461dc79ceSMichal Swiatkowski return; 294561dc79ceSMichal Swiatkowski 29462ec56385SPaul M Stillwell Jr /* There are a couple of cases that have to be handled here: 29472ec56385SPaul M Stillwell Jr * 1. The case where the number of queue vectors stays the same, but 29482ec56385SPaul M Stillwell Jr * the number of Tx or Rx rings changes (the first for loop) 29492ec56385SPaul M Stillwell Jr * 2. The case where the number of queue vectors increased (the 29502ec56385SPaul M Stillwell Jr * second for loop) 2951a039f6fcSBrett Creeley */ 29522ec56385SPaul M Stillwell Jr for (i = 0; i < size && i < vsi->num_q_vectors; i++) { 29532ec56385SPaul M Stillwell Jr /* There are 2 cases to handle here and they are the same for 29542ec56385SPaul M Stillwell Jr * both Tx and Rx: 29552ec56385SPaul M Stillwell Jr * if the entry was valid previously (coalesce[i].[tr]x_valid 29562ec56385SPaul M Stillwell Jr * and the loop variable is less than the number of rings 29572ec56385SPaul M Stillwell Jr * allocated, then write the previous values 29582ec56385SPaul M Stillwell Jr * 29592ec56385SPaul M Stillwell Jr * if the entry was not valid previously, but the number of 29602ec56385SPaul M Stillwell Jr * rings is less than are allocated (this means the number of 29612ec56385SPaul M Stillwell Jr * rings increased from previously), then write out the 29622ec56385SPaul M Stillwell Jr * values in the first element 2963b8b47723SJesse Brandeburg * 2964b8b47723SJesse Brandeburg * Also, always write the ITR, even if in ITR_IS_DYNAMIC 2965b8b47723SJesse Brandeburg * as there is no harm because the dynamic algorithm 2966b8b47723SJesse Brandeburg * will just overwrite. 29672ec56385SPaul M Stillwell Jr */ 2968b8b47723SJesse Brandeburg if (i < vsi->alloc_rxq && coalesce[i].rx_valid) { 2969b8b47723SJesse Brandeburg rc = &vsi->q_vectors[i]->rx; 2970b8b47723SJesse Brandeburg rc->itr_setting = coalesce[i].itr_rx; 2971b8b47723SJesse Brandeburg ice_write_itr(rc, rc->itr_setting); 2972b8b47723SJesse Brandeburg } else if (i < vsi->alloc_rxq) { 2973b8b47723SJesse Brandeburg rc = &vsi->q_vectors[i]->rx; 2974b8b47723SJesse Brandeburg rc->itr_setting = coalesce[0].itr_rx; 2975b8b47723SJesse Brandeburg ice_write_itr(rc, rc->itr_setting); 2976b8b47723SJesse Brandeburg } 29772ec56385SPaul M Stillwell Jr 2978b8b47723SJesse Brandeburg if (i < vsi->alloc_txq && coalesce[i].tx_valid) { 2979b8b47723SJesse Brandeburg rc = &vsi->q_vectors[i]->tx; 2980b8b47723SJesse Brandeburg rc->itr_setting = coalesce[i].itr_tx; 2981b8b47723SJesse Brandeburg ice_write_itr(rc, rc->itr_setting); 2982b8b47723SJesse Brandeburg } else if (i < vsi->alloc_txq) { 2983b8b47723SJesse Brandeburg rc = &vsi->q_vectors[i]->tx; 2984b8b47723SJesse Brandeburg rc->itr_setting = coalesce[0].itr_tx; 2985b8b47723SJesse Brandeburg ice_write_itr(rc, rc->itr_setting); 2986b8b47723SJesse Brandeburg } 29872ec56385SPaul M Stillwell Jr 2988b8b47723SJesse Brandeburg vsi->q_vectors[i]->intrl = coalesce[i].intrl; 2989b8b47723SJesse Brandeburg ice_write_intrl(vsi->q_vectors[i], coalesce[i].intrl); 29902ec56385SPaul M Stillwell Jr } 29912ec56385SPaul M Stillwell Jr 29922ec56385SPaul M Stillwell Jr /* the number of queue vectors increased so write whatever is in 29932ec56385SPaul M Stillwell Jr * the first element 29942ec56385SPaul M Stillwell Jr */ 29952ec56385SPaul M Stillwell Jr for (; i < vsi->num_q_vectors; i++) { 2996b8b47723SJesse Brandeburg /* transmit */ 2997b8b47723SJesse Brandeburg rc = &vsi->q_vectors[i]->tx; 2998b8b47723SJesse Brandeburg rc->itr_setting = coalesce[0].itr_tx; 2999b8b47723SJesse Brandeburg ice_write_itr(rc, rc->itr_setting); 3000b8b47723SJesse Brandeburg 3001b8b47723SJesse Brandeburg /* receive */ 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 3006b8b47723SJesse Brandeburg vsi->q_vectors[i]->intrl = coalesce[0].intrl; 3007b8b47723SJesse Brandeburg ice_write_intrl(vsi->q_vectors[i], coalesce[0].intrl); 30082ec56385SPaul M Stillwell Jr } 300961dc79ceSMichal Swiatkowski } 301061dc79ceSMichal Swiatkowski 301161dc79ceSMichal Swiatkowski /** 3012df0f8479SAnirudh Venkataramanan * ice_vsi_rebuild - Rebuild VSI after reset 3013df0f8479SAnirudh Venkataramanan * @vsi: VSI to be rebuild 301487324e74SHenry Tieman * @init_vsi: is this an initialization or a reconfigure of the VSI 3015df0f8479SAnirudh Venkataramanan * 3016df0f8479SAnirudh Venkataramanan * Returns 0 on success and negative value on failure 3017df0f8479SAnirudh Venkataramanan */ 301887324e74SHenry Tieman int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi) 3019df0f8479SAnirudh Venkataramanan { 3020df0f8479SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 302161dc79ceSMichal Swiatkowski struct ice_coalesce_stored *coalesce; 302261dc79ceSMichal Swiatkowski int prev_num_q_vectors = 0; 30237eeac889SAkeem G Abodunrin struct ice_vf *vf = NULL; 302458623c52SJesse Brandeburg enum ice_vsi_type vtype; 3025d31530e8SAkeem G Abodunrin enum ice_status status; 3026c5a2a4a3SUsha Ketineni struct ice_pf *pf; 3027df0f8479SAnirudh Venkataramanan int ret, i; 3028df0f8479SAnirudh Venkataramanan 3029df0f8479SAnirudh Venkataramanan if (!vsi) 3030df0f8479SAnirudh Venkataramanan return -EINVAL; 3031df0f8479SAnirudh Venkataramanan 3032c5a2a4a3SUsha Ketineni pf = vsi->back; 303358623c52SJesse Brandeburg vtype = vsi->type; 303458623c52SJesse Brandeburg if (vtype == ICE_VSI_VF) 30357eeac889SAkeem G Abodunrin vf = &pf->vf[vsi->vf_id]; 30367eeac889SAkeem G Abodunrin 303761dc79ceSMichal Swiatkowski coalesce = kcalloc(vsi->num_q_vectors, 303861dc79ceSMichal Swiatkowski sizeof(struct ice_coalesce_stored), GFP_KERNEL); 30392ec56385SPaul M Stillwell Jr if (!coalesce) 30402ec56385SPaul M Stillwell Jr return -ENOMEM; 30412ec56385SPaul M Stillwell Jr 30422ec56385SPaul M Stillwell Jr prev_num_q_vectors = ice_vsi_rebuild_get_coalesce(vsi, coalesce); 30432ec56385SPaul M Stillwell Jr 304447e3e53cSHenry Tieman ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); 3045df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 30467eeac889SAkeem G Abodunrin 3047cbe66bfeSBrett Creeley /* SR-IOV determines needed MSIX resources all at once instead of per 3048cbe66bfeSBrett Creeley * VSI since when VFs are spawned we know how many VFs there are and how 3049cbe66bfeSBrett Creeley * many interrupts each VF needs. SR-IOV MSIX resources are also 3050cbe66bfeSBrett Creeley * cleared in the same manner. 3051cbe66bfeSBrett Creeley */ 305258623c52SJesse Brandeburg if (vtype != ICE_VSI_VF) { 30537eeac889SAkeem G Abodunrin /* reclaim SW interrupts back to the common pool */ 3054cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 30557eeac889SAkeem G Abodunrin pf->num_avail_sw_msix += vsi->num_q_vectors; 3056cbe66bfeSBrett Creeley vsi->base_vector = 0; 30577eeac889SAkeem G Abodunrin } 30587eeac889SAkeem G Abodunrin 3059efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) 3060efc2214bSMaciej Fijalkowski /* return value check can be skipped here, it always returns 3061efc2214bSMaciej Fijalkowski * 0 if reset is in progress 3062efc2214bSMaciej Fijalkowski */ 3063efc2214bSMaciej Fijalkowski ice_destroy_xdp_rings(vsi); 306478b5713aSAnirudh Venkataramanan ice_vsi_put_qs(vsi); 3065df0f8479SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 3066a85a3847SBrett Creeley ice_vsi_free_arrays(vsi); 306758623c52SJesse Brandeburg if (vtype == ICE_VSI_VF) 30685743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, vf->vf_id); 30695743020dSAkeem G Abodunrin else 30705743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID); 307178b5713aSAnirudh Venkataramanan 307278b5713aSAnirudh Venkataramanan ret = ice_vsi_alloc_arrays(vsi); 307378b5713aSAnirudh Venkataramanan if (ret < 0) 307478b5713aSAnirudh Venkataramanan goto err_vsi; 307578b5713aSAnirudh Venkataramanan 307678b5713aSAnirudh Venkataramanan ice_vsi_get_qs(vsi); 307783af0039SHenry Tieman 307883af0039SHenry Tieman ice_alloc_fd_res(vsi); 3079c5a2a4a3SUsha Ketineni ice_vsi_set_tc_cfg(vsi); 3080df0f8479SAnirudh Venkataramanan 3081df0f8479SAnirudh Venkataramanan /* Initialize VSI struct elements and create VSI in FW */ 308287324e74SHenry Tieman ret = ice_vsi_init(vsi, init_vsi); 3083df0f8479SAnirudh Venkataramanan if (ret < 0) 3084df0f8479SAnirudh Venkataramanan goto err_vsi; 3085df0f8479SAnirudh Venkataramanan 308658623c52SJesse Brandeburg switch (vtype) { 308783af0039SHenry Tieman case ICE_VSI_CTRL: 3088df0f8479SAnirudh Venkataramanan case ICE_VSI_PF: 3089df0f8479SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 3090df0f8479SAnirudh Venkataramanan if (ret) 3091df0f8479SAnirudh Venkataramanan goto err_rings; 3092df0f8479SAnirudh Venkataramanan 309317bc6d07STony Nguyen ret = ice_vsi_setup_vector_base(vsi); 309417bc6d07STony Nguyen if (ret) 309517bc6d07STony Nguyen goto err_vectors; 309617bc6d07STony Nguyen 3097b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 3098b07833a0SBrett Creeley if (ret) 3099b07833a0SBrett Creeley goto err_vectors; 3100b07833a0SBrett Creeley 3101df0f8479SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 3102df0f8479SAnirudh Venkataramanan if (ret) 3103df0f8479SAnirudh Venkataramanan goto err_vectors; 3104df0f8479SAnirudh Venkataramanan 3105df0f8479SAnirudh Venkataramanan ice_vsi_map_rings_to_vectors(vsi); 3106efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) { 3107ae15e0baSMarta Plantykow vsi->num_xdp_txq = vsi->alloc_rxq; 3108efc2214bSMaciej Fijalkowski ret = ice_prepare_xdp_rings(vsi, vsi->xdp_prog); 3109efc2214bSMaciej Fijalkowski if (ret) 3110efc2214bSMaciej Fijalkowski goto err_vectors; 3111efc2214bSMaciej Fijalkowski } 311283af0039SHenry Tieman /* ICE_VSI_CTRL does not need RSS so skip RSS processing */ 311358623c52SJesse Brandeburg if (vtype != ICE_VSI_CTRL) 311483af0039SHenry Tieman /* Do not exit if configuring RSS had an issue, at 311583af0039SHenry Tieman * least receive traffic on first queue. Hence no 311683af0039SHenry Tieman * need to capture return value 311727a98affSMd Fahad Iqbal Polash */ 3118819d8998SJesse Brandeburg if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 311927a98affSMd Fahad Iqbal Polash ice_vsi_cfg_rss_lut_key(vsi); 3120df0f8479SAnirudh Venkataramanan break; 31218ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 31228ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 31238ede0178SAnirudh Venkataramanan if (ret) 31248ede0178SAnirudh Venkataramanan goto err_rings; 31258ede0178SAnirudh Venkataramanan 3126b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 3127b07833a0SBrett Creeley if (ret) 3128b07833a0SBrett Creeley goto err_vectors; 3129b07833a0SBrett Creeley 31308ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 31318ede0178SAnirudh Venkataramanan if (ret) 31328ede0178SAnirudh Venkataramanan goto err_vectors; 31338ede0178SAnirudh Venkataramanan 31348ede0178SAnirudh Venkataramanan break; 3135df0f8479SAnirudh Venkataramanan default: 3136df0f8479SAnirudh Venkataramanan break; 3137df0f8479SAnirudh Venkataramanan } 3138df0f8479SAnirudh Venkataramanan 3139df0f8479SAnirudh Venkataramanan /* configure VSI nodes based on number of queues and TC's */ 3140efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->tc_cfg.numtc; i++) { 3141d5a46359SAkeem G Abodunrin max_txqs[i] = vsi->alloc_txq; 3142df0f8479SAnirudh Venkataramanan 3143efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) 3144efc2214bSMaciej Fijalkowski max_txqs[i] += vsi->num_xdp_txq; 3145efc2214bSMaciej Fijalkowski } 3146efc2214bSMaciej Fijalkowski 3147d31530e8SAkeem G Abodunrin status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 31484fb33f31SAnirudh Venkataramanan max_txqs); 3149d31530e8SAkeem G Abodunrin if (status) { 31500fee3577SLihong Yang dev_err(ice_pf_to_dev(pf), "VSI %d failed lan queue config, error %s\n", 31510fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 315287324e74SHenry Tieman if (init_vsi) { 315387324e74SHenry Tieman ret = -EIO; 3154df0f8479SAnirudh Venkataramanan goto err_vectors; 315587324e74SHenry Tieman } else { 315687324e74SHenry Tieman return ice_schedule_reset(pf, ICE_RESET_PFR); 315787324e74SHenry Tieman } 3158df0f8479SAnirudh Venkataramanan } 315961dc79ceSMichal Swiatkowski ice_vsi_rebuild_set_coalesce(vsi, coalesce, prev_num_q_vectors); 316061dc79ceSMichal Swiatkowski kfree(coalesce); 316161dc79ceSMichal Swiatkowski 3162df0f8479SAnirudh Venkataramanan return 0; 3163df0f8479SAnirudh Venkataramanan 3164df0f8479SAnirudh Venkataramanan err_vectors: 3165df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 3166df0f8479SAnirudh Venkataramanan err_rings: 3167df0f8479SAnirudh Venkataramanan if (vsi->netdev) { 3168df0f8479SAnirudh Venkataramanan vsi->current_netdev_flags = 0; 3169df0f8479SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 3170df0f8479SAnirudh Venkataramanan free_netdev(vsi->netdev); 3171df0f8479SAnirudh Venkataramanan vsi->netdev = NULL; 3172df0f8479SAnirudh Venkataramanan } 3173df0f8479SAnirudh Venkataramanan err_vsi: 3174df0f8479SAnirudh Venkataramanan ice_vsi_clear(vsi); 31757e408e07SAnirudh Venkataramanan set_bit(ICE_RESET_FAILED, pf->state); 317661dc79ceSMichal Swiatkowski kfree(coalesce); 3177df0f8479SAnirudh Venkataramanan return ret; 3178df0f8479SAnirudh Venkataramanan } 3179df0f8479SAnirudh Venkataramanan 3180df0f8479SAnirudh Venkataramanan /** 31815df7e45dSDave Ertman * ice_is_reset_in_progress - check for a reset in progress 31822f2da36eSAnirudh Venkataramanan * @state: PF state field 31835153a18eSAnirudh Venkataramanan */ 31845df7e45dSDave Ertman bool ice_is_reset_in_progress(unsigned long *state) 31855153a18eSAnirudh Venkataramanan { 31867e408e07SAnirudh Venkataramanan return test_bit(ICE_RESET_OICR_RECV, state) || 31877e408e07SAnirudh Venkataramanan test_bit(ICE_PFR_REQ, state) || 31887e408e07SAnirudh Venkataramanan test_bit(ICE_CORER_REQ, state) || 31897e408e07SAnirudh Venkataramanan test_bit(ICE_GLOBR_REQ, state); 31905153a18eSAnirudh Venkataramanan } 31917b9ffc76SAnirudh Venkataramanan 31927b9ffc76SAnirudh Venkataramanan #ifdef CONFIG_DCB 31937b9ffc76SAnirudh Venkataramanan /** 31947b9ffc76SAnirudh Venkataramanan * ice_vsi_update_q_map - update our copy of the VSI info with new queue map 31957b9ffc76SAnirudh Venkataramanan * @vsi: VSI being configured 31967b9ffc76SAnirudh Venkataramanan * @ctx: the context buffer returned from AQ VSI update command 31977b9ffc76SAnirudh Venkataramanan */ 31987b9ffc76SAnirudh Venkataramanan static void ice_vsi_update_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctx) 31997b9ffc76SAnirudh Venkataramanan { 32007b9ffc76SAnirudh Venkataramanan vsi->info.mapping_flags = ctx->info.mapping_flags; 32017b9ffc76SAnirudh Venkataramanan memcpy(&vsi->info.q_mapping, &ctx->info.q_mapping, 32027b9ffc76SAnirudh Venkataramanan sizeof(vsi->info.q_mapping)); 32037b9ffc76SAnirudh Venkataramanan memcpy(&vsi->info.tc_mapping, ctx->info.tc_mapping, 32047b9ffc76SAnirudh Venkataramanan sizeof(vsi->info.tc_mapping)); 32057b9ffc76SAnirudh Venkataramanan } 32067b9ffc76SAnirudh Venkataramanan 32077b9ffc76SAnirudh Venkataramanan /** 32087b9ffc76SAnirudh Venkataramanan * ice_vsi_cfg_tc - Configure VSI Tx Sched for given TC map 32097b9ffc76SAnirudh Venkataramanan * @vsi: VSI to be configured 32107b9ffc76SAnirudh Venkataramanan * @ena_tc: TC bitmap 32117b9ffc76SAnirudh Venkataramanan * 32127b9ffc76SAnirudh Venkataramanan * VSI queues expected to be quiesced before calling this function 32137b9ffc76SAnirudh Venkataramanan */ 32147b9ffc76SAnirudh Venkataramanan int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc) 32157b9ffc76SAnirudh Venkataramanan { 32167b9ffc76SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 32177b9ffc76SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 32184ee656bbSTony Nguyen struct ice_vsi_ctx *ctx; 32197b9ffc76SAnirudh Venkataramanan enum ice_status status; 32204015d11eSBrett Creeley struct device *dev; 32217b9ffc76SAnirudh Venkataramanan int i, ret = 0; 32227b9ffc76SAnirudh Venkataramanan u8 num_tc = 0; 32237b9ffc76SAnirudh Venkataramanan 32244015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 32254015d11eSBrett Creeley 32267b9ffc76SAnirudh Venkataramanan ice_for_each_traffic_class(i) { 32277b9ffc76SAnirudh Venkataramanan /* build bitmap of enabled TCs */ 32287b9ffc76SAnirudh Venkataramanan if (ena_tc & BIT(i)) 32297b9ffc76SAnirudh Venkataramanan num_tc++; 32307b9ffc76SAnirudh Venkataramanan /* populate max_txqs per TC */ 3231d5a46359SAkeem G Abodunrin max_txqs[i] = vsi->alloc_txq; 32327b9ffc76SAnirudh Venkataramanan } 32337b9ffc76SAnirudh Venkataramanan 32347b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.ena_tc = ena_tc; 32357b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.numtc = num_tc; 32367b9ffc76SAnirudh Venkataramanan 32379efe35d0STony Nguyen ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 32387b9ffc76SAnirudh Venkataramanan if (!ctx) 32397b9ffc76SAnirudh Venkataramanan return -ENOMEM; 32407b9ffc76SAnirudh Venkataramanan 32417b9ffc76SAnirudh Venkataramanan ctx->vf_num = 0; 32427b9ffc76SAnirudh Venkataramanan ctx->info = vsi->info; 32437b9ffc76SAnirudh Venkataramanan 32447b9ffc76SAnirudh Venkataramanan ice_vsi_setup_q_map(vsi, ctx); 32457b9ffc76SAnirudh Venkataramanan 32467b9ffc76SAnirudh Venkataramanan /* must to indicate which section of VSI context are being modified */ 32477b9ffc76SAnirudh Venkataramanan ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID); 32487b9ffc76SAnirudh Venkataramanan status = ice_update_vsi(&pf->hw, vsi->idx, ctx, NULL); 32497b9ffc76SAnirudh Venkataramanan if (status) { 32504015d11eSBrett Creeley dev_info(dev, "Failed VSI Update\n"); 32517b9ffc76SAnirudh Venkataramanan ret = -EIO; 32527b9ffc76SAnirudh Venkataramanan goto out; 32537b9ffc76SAnirudh Venkataramanan } 32547b9ffc76SAnirudh Venkataramanan 32557b9ffc76SAnirudh Venkataramanan status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 32567b9ffc76SAnirudh Venkataramanan max_txqs); 32577b9ffc76SAnirudh Venkataramanan 32587b9ffc76SAnirudh Venkataramanan if (status) { 32590fee3577SLihong Yang dev_err(dev, "VSI %d failed TC config, error %s\n", 32600fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 32617b9ffc76SAnirudh Venkataramanan ret = -EIO; 32627b9ffc76SAnirudh Venkataramanan goto out; 32637b9ffc76SAnirudh Venkataramanan } 32647b9ffc76SAnirudh Venkataramanan ice_vsi_update_q_map(vsi, ctx); 32657b9ffc76SAnirudh Venkataramanan vsi->info.valid_sections = 0; 32667b9ffc76SAnirudh Venkataramanan 32677b9ffc76SAnirudh Venkataramanan ice_vsi_cfg_netdev_tc(vsi, ena_tc); 32687b9ffc76SAnirudh Venkataramanan out: 32699efe35d0STony Nguyen kfree(ctx); 32707b9ffc76SAnirudh Venkataramanan return ret; 32717b9ffc76SAnirudh Venkataramanan } 32727b9ffc76SAnirudh Venkataramanan #endif /* CONFIG_DCB */ 3273bbb968e8SAkeem G Abodunrin 3274bbb968e8SAkeem G Abodunrin /** 32752d4238f5SKrzysztof Kazimierczak * ice_update_ring_stats - Update ring statistics 32762d4238f5SKrzysztof Kazimierczak * @ring: ring to update 32772d4238f5SKrzysztof Kazimierczak * @pkts: number of processed packets 32782d4238f5SKrzysztof Kazimierczak * @bytes: number of processed bytes 32792d4238f5SKrzysztof Kazimierczak * 32802d4238f5SKrzysztof Kazimierczak * This function assumes that caller has acquired a u64_stats_sync lock. 32812d4238f5SKrzysztof Kazimierczak */ 3282cdf1f1f1SJacob Keller static void ice_update_ring_stats(struct ice_ring *ring, u64 pkts, u64 bytes) 32832d4238f5SKrzysztof Kazimierczak { 32842d4238f5SKrzysztof Kazimierczak ring->stats.bytes += bytes; 32852d4238f5SKrzysztof Kazimierczak ring->stats.pkts += pkts; 32862d4238f5SKrzysztof Kazimierczak } 32872d4238f5SKrzysztof Kazimierczak 32882d4238f5SKrzysztof Kazimierczak /** 32892d4238f5SKrzysztof Kazimierczak * ice_update_tx_ring_stats - Update Tx ring specific counters 32902d4238f5SKrzysztof Kazimierczak * @tx_ring: ring to update 32912d4238f5SKrzysztof Kazimierczak * @pkts: number of processed packets 32922d4238f5SKrzysztof Kazimierczak * @bytes: number of processed bytes 32932d4238f5SKrzysztof Kazimierczak */ 32942d4238f5SKrzysztof Kazimierczak void ice_update_tx_ring_stats(struct ice_ring *tx_ring, u64 pkts, u64 bytes) 32952d4238f5SKrzysztof Kazimierczak { 32962d4238f5SKrzysztof Kazimierczak u64_stats_update_begin(&tx_ring->syncp); 3297cdf1f1f1SJacob Keller ice_update_ring_stats(tx_ring, pkts, bytes); 32982d4238f5SKrzysztof Kazimierczak u64_stats_update_end(&tx_ring->syncp); 32992d4238f5SKrzysztof Kazimierczak } 33002d4238f5SKrzysztof Kazimierczak 33012d4238f5SKrzysztof Kazimierczak /** 33022d4238f5SKrzysztof Kazimierczak * ice_update_rx_ring_stats - Update Rx ring specific counters 33032d4238f5SKrzysztof Kazimierczak * @rx_ring: ring to update 33042d4238f5SKrzysztof Kazimierczak * @pkts: number of processed packets 33052d4238f5SKrzysztof Kazimierczak * @bytes: number of processed bytes 33062d4238f5SKrzysztof Kazimierczak */ 33072d4238f5SKrzysztof Kazimierczak void ice_update_rx_ring_stats(struct ice_ring *rx_ring, u64 pkts, u64 bytes) 33082d4238f5SKrzysztof Kazimierczak { 33092d4238f5SKrzysztof Kazimierczak u64_stats_update_begin(&rx_ring->syncp); 3310cdf1f1f1SJacob Keller ice_update_ring_stats(rx_ring, pkts, bytes); 33112d4238f5SKrzysztof Kazimierczak u64_stats_update_end(&rx_ring->syncp); 33122d4238f5SKrzysztof Kazimierczak } 33132d4238f5SKrzysztof Kazimierczak 33142d4238f5SKrzysztof Kazimierczak /** 3315148beb61SHenry Tieman * ice_status_to_errno - convert from enum ice_status to Linux errno 3316148beb61SHenry Tieman * @err: ice_status value to convert 3317148beb61SHenry Tieman */ 3318148beb61SHenry Tieman int ice_status_to_errno(enum ice_status err) 3319148beb61SHenry Tieman { 3320148beb61SHenry Tieman switch (err) { 3321148beb61SHenry Tieman case ICE_SUCCESS: 3322148beb61SHenry Tieman return 0; 3323148beb61SHenry Tieman case ICE_ERR_DOES_NOT_EXIST: 3324148beb61SHenry Tieman return -ENOENT; 3325148beb61SHenry Tieman case ICE_ERR_OUT_OF_RANGE: 3326148beb61SHenry Tieman return -ENOTTY; 3327148beb61SHenry Tieman case ICE_ERR_PARAM: 3328148beb61SHenry Tieman return -EINVAL; 3329148beb61SHenry Tieman case ICE_ERR_NO_MEMORY: 3330148beb61SHenry Tieman return -ENOMEM; 3331148beb61SHenry Tieman case ICE_ERR_MAX_LIMIT: 3332148beb61SHenry Tieman return -EAGAIN; 3333148beb61SHenry Tieman default: 3334148beb61SHenry Tieman return -EINVAL; 3335148beb61SHenry Tieman } 3336148beb61SHenry Tieman } 3337148beb61SHenry Tieman 3338148beb61SHenry Tieman /** 3339fc0f39bcSBrett Creeley * ice_is_dflt_vsi_in_use - check if the default forwarding VSI is being used 3340fc0f39bcSBrett Creeley * @sw: switch to check if its default forwarding VSI is free 3341fc0f39bcSBrett Creeley * 3342fc0f39bcSBrett Creeley * Return true if the default forwarding VSI is already being used, else returns 3343fc0f39bcSBrett Creeley * false signalling that it's available to use. 3344fc0f39bcSBrett Creeley */ 3345fc0f39bcSBrett Creeley bool ice_is_dflt_vsi_in_use(struct ice_sw *sw) 3346fc0f39bcSBrett Creeley { 3347fc0f39bcSBrett Creeley return (sw->dflt_vsi && sw->dflt_vsi_ena); 3348fc0f39bcSBrett Creeley } 3349fc0f39bcSBrett Creeley 3350fc0f39bcSBrett Creeley /** 3351fc0f39bcSBrett Creeley * ice_is_vsi_dflt_vsi - check if the VSI passed in is the default VSI 3352fc0f39bcSBrett Creeley * @sw: switch for the default forwarding VSI to compare against 3353fc0f39bcSBrett Creeley * @vsi: VSI to compare against default forwarding VSI 3354fc0f39bcSBrett Creeley * 3355fc0f39bcSBrett Creeley * If this VSI passed in is the default forwarding VSI then return true, else 3356fc0f39bcSBrett Creeley * return false 3357fc0f39bcSBrett Creeley */ 3358fc0f39bcSBrett Creeley bool ice_is_vsi_dflt_vsi(struct ice_sw *sw, struct ice_vsi *vsi) 3359fc0f39bcSBrett Creeley { 3360fc0f39bcSBrett Creeley return (sw->dflt_vsi == vsi && sw->dflt_vsi_ena); 3361fc0f39bcSBrett Creeley } 3362fc0f39bcSBrett Creeley 3363fc0f39bcSBrett Creeley /** 3364fc0f39bcSBrett Creeley * ice_set_dflt_vsi - set the default forwarding VSI 3365fc0f39bcSBrett Creeley * @sw: switch used to assign the default forwarding VSI 3366fc0f39bcSBrett Creeley * @vsi: VSI getting set as the default forwarding VSI on the switch 3367fc0f39bcSBrett Creeley * 3368fc0f39bcSBrett Creeley * If the VSI passed in is already the default VSI and it's enabled just return 3369fc0f39bcSBrett Creeley * success. 3370fc0f39bcSBrett Creeley * 3371fc0f39bcSBrett Creeley * If there is already a default VSI on the switch and it's enabled then return 3372fc0f39bcSBrett Creeley * -EEXIST since there can only be one default VSI per switch. 3373fc0f39bcSBrett Creeley * 3374fc0f39bcSBrett Creeley * Otherwise try to set the VSI passed in as the switch's default VSI and 3375fc0f39bcSBrett Creeley * return the result. 3376fc0f39bcSBrett Creeley */ 3377fc0f39bcSBrett Creeley int ice_set_dflt_vsi(struct ice_sw *sw, struct ice_vsi *vsi) 3378fc0f39bcSBrett Creeley { 3379fc0f39bcSBrett Creeley enum ice_status status; 3380fc0f39bcSBrett Creeley struct device *dev; 3381fc0f39bcSBrett Creeley 3382fc0f39bcSBrett Creeley if (!sw || !vsi) 3383fc0f39bcSBrett Creeley return -EINVAL; 3384fc0f39bcSBrett Creeley 3385fc0f39bcSBrett Creeley dev = ice_pf_to_dev(vsi->back); 3386fc0f39bcSBrett Creeley 3387fc0f39bcSBrett Creeley /* the VSI passed in is already the default VSI */ 3388fc0f39bcSBrett Creeley if (ice_is_vsi_dflt_vsi(sw, vsi)) { 3389fc0f39bcSBrett Creeley dev_dbg(dev, "VSI %d passed in is already the default forwarding VSI, nothing to do\n", 3390fc0f39bcSBrett Creeley vsi->vsi_num); 3391fc0f39bcSBrett Creeley return 0; 3392fc0f39bcSBrett Creeley } 3393fc0f39bcSBrett Creeley 3394fc0f39bcSBrett Creeley /* another VSI is already the default VSI for this switch */ 3395fc0f39bcSBrett Creeley if (ice_is_dflt_vsi_in_use(sw)) { 339619cce2c6SAnirudh Venkataramanan dev_err(dev, "Default forwarding VSI %d already in use, disable it and try again\n", 3397fc0f39bcSBrett Creeley sw->dflt_vsi->vsi_num); 3398fc0f39bcSBrett Creeley return -EEXIST; 3399fc0f39bcSBrett Creeley } 3400fc0f39bcSBrett Creeley 3401fc0f39bcSBrett Creeley status = ice_cfg_dflt_vsi(&vsi->back->hw, vsi->idx, true, ICE_FLTR_RX); 3402fc0f39bcSBrett Creeley if (status) { 34030fee3577SLihong Yang dev_err(dev, "Failed to set VSI %d as the default forwarding VSI, error %s\n", 34040fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 3405fc0f39bcSBrett Creeley return -EIO; 3406fc0f39bcSBrett Creeley } 3407fc0f39bcSBrett Creeley 3408fc0f39bcSBrett Creeley sw->dflt_vsi = vsi; 3409fc0f39bcSBrett Creeley sw->dflt_vsi_ena = true; 3410fc0f39bcSBrett Creeley 3411fc0f39bcSBrett Creeley return 0; 3412fc0f39bcSBrett Creeley } 3413fc0f39bcSBrett Creeley 3414fc0f39bcSBrett Creeley /** 3415fc0f39bcSBrett Creeley * ice_clear_dflt_vsi - clear the default forwarding VSI 3416fc0f39bcSBrett Creeley * @sw: switch used to clear the default VSI 3417fc0f39bcSBrett Creeley * 3418fc0f39bcSBrett Creeley * If the switch has no default VSI or it's not enabled then return error. 3419fc0f39bcSBrett Creeley * 3420fc0f39bcSBrett Creeley * Otherwise try to clear the default VSI and return the result. 3421fc0f39bcSBrett Creeley */ 3422fc0f39bcSBrett Creeley int ice_clear_dflt_vsi(struct ice_sw *sw) 3423fc0f39bcSBrett Creeley { 3424fc0f39bcSBrett Creeley struct ice_vsi *dflt_vsi; 3425fc0f39bcSBrett Creeley enum ice_status status; 3426fc0f39bcSBrett Creeley struct device *dev; 3427fc0f39bcSBrett Creeley 3428fc0f39bcSBrett Creeley if (!sw) 3429fc0f39bcSBrett Creeley return -EINVAL; 3430fc0f39bcSBrett Creeley 3431fc0f39bcSBrett Creeley dev = ice_pf_to_dev(sw->pf); 3432fc0f39bcSBrett Creeley 3433fc0f39bcSBrett Creeley dflt_vsi = sw->dflt_vsi; 3434fc0f39bcSBrett Creeley 3435fc0f39bcSBrett Creeley /* there is no default VSI configured */ 3436fc0f39bcSBrett Creeley if (!ice_is_dflt_vsi_in_use(sw)) 3437fc0f39bcSBrett Creeley return -ENODEV; 3438fc0f39bcSBrett Creeley 3439fc0f39bcSBrett Creeley status = ice_cfg_dflt_vsi(&dflt_vsi->back->hw, dflt_vsi->idx, false, 3440fc0f39bcSBrett Creeley ICE_FLTR_RX); 3441fc0f39bcSBrett Creeley if (status) { 34420fee3577SLihong Yang dev_err(dev, "Failed to clear the default forwarding VSI %d, error %s\n", 34430fee3577SLihong Yang dflt_vsi->vsi_num, ice_stat_str(status)); 3444fc0f39bcSBrett Creeley return -EIO; 3445fc0f39bcSBrett Creeley } 3446fc0f39bcSBrett Creeley 3447fc0f39bcSBrett Creeley sw->dflt_vsi = NULL; 3448fc0f39bcSBrett Creeley sw->dflt_vsi_ena = false; 3449fc0f39bcSBrett Creeley 3450fc0f39bcSBrett Creeley return 0; 3451fc0f39bcSBrett Creeley } 3452d348d517SAnirudh Venkataramanan 3453d348d517SAnirudh Venkataramanan /** 3454d348d517SAnirudh Venkataramanan * ice_set_link - turn on/off physical link 3455d348d517SAnirudh Venkataramanan * @vsi: VSI to modify physical link on 3456d348d517SAnirudh Venkataramanan * @ena: turn on/off physical link 3457d348d517SAnirudh Venkataramanan */ 3458d348d517SAnirudh Venkataramanan int ice_set_link(struct ice_vsi *vsi, bool ena) 3459d348d517SAnirudh Venkataramanan { 3460d348d517SAnirudh Venkataramanan struct device *dev = ice_pf_to_dev(vsi->back); 3461d348d517SAnirudh Venkataramanan struct ice_port_info *pi = vsi->port_info; 3462d348d517SAnirudh Venkataramanan struct ice_hw *hw = pi->hw; 3463d348d517SAnirudh Venkataramanan enum ice_status status; 3464d348d517SAnirudh Venkataramanan 3465d348d517SAnirudh Venkataramanan if (vsi->type != ICE_VSI_PF) 3466d348d517SAnirudh Venkataramanan return -EINVAL; 3467d348d517SAnirudh Venkataramanan 3468d348d517SAnirudh Venkataramanan status = ice_aq_set_link_restart_an(pi, ena, NULL); 3469d348d517SAnirudh Venkataramanan 3470d348d517SAnirudh Venkataramanan /* if link is owned by manageability, FW will return ICE_AQ_RC_EMODE. 3471d348d517SAnirudh Venkataramanan * this is not a fatal error, so print a warning message and return 3472d348d517SAnirudh Venkataramanan * a success code. Return an error if FW returns an error code other 3473d348d517SAnirudh Venkataramanan * than ICE_AQ_RC_EMODE 3474d348d517SAnirudh Venkataramanan */ 3475d348d517SAnirudh Venkataramanan if (status == ICE_ERR_AQ_ERROR) { 3476d348d517SAnirudh Venkataramanan if (hw->adminq.sq_last_status == ICE_AQ_RC_EMODE) 3477d348d517SAnirudh Venkataramanan dev_warn(dev, "can't set link to %s, err %s aq_err %s. not fatal, continuing\n", 3478d348d517SAnirudh Venkataramanan (ena ? "ON" : "OFF"), ice_stat_str(status), 3479d348d517SAnirudh Venkataramanan ice_aq_str(hw->adminq.sq_last_status)); 3480d348d517SAnirudh Venkataramanan } else if (status) { 3481d348d517SAnirudh Venkataramanan dev_err(dev, "can't set link to %s, err %s aq_err %s\n", 3482d348d517SAnirudh Venkataramanan (ena ? "ON" : "OFF"), ice_stat_str(status), 3483d348d517SAnirudh Venkataramanan ice_aq_str(hw->adminq.sq_last_status)); 3484d348d517SAnirudh Venkataramanan return -EIO; 3485d348d517SAnirudh Venkataramanan } 3486d348d517SAnirudh Venkataramanan 3487d348d517SAnirudh Venkataramanan return 0; 3488d348d517SAnirudh Venkataramanan } 3489