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" 1045d3d428SAnirudh Venkataramanan 1145d3d428SAnirudh Venkataramanan /** 12964674f1SAnirudh Venkataramanan * ice_vsi_type_str - maps VSI type enum to string equivalents 136dae8aa0SBruce Allan * @vsi_type: VSI type enum 14964674f1SAnirudh Venkataramanan */ 156dae8aa0SBruce Allan const char *ice_vsi_type_str(enum ice_vsi_type vsi_type) 16964674f1SAnirudh Venkataramanan { 176dae8aa0SBruce Allan switch (vsi_type) { 18964674f1SAnirudh Venkataramanan case ICE_VSI_PF: 19964674f1SAnirudh Venkataramanan return "ICE_VSI_PF"; 20964674f1SAnirudh Venkataramanan case ICE_VSI_VF: 21964674f1SAnirudh Venkataramanan return "ICE_VSI_VF"; 22148beb61SHenry Tieman case ICE_VSI_CTRL: 23148beb61SHenry Tieman return "ICE_VSI_CTRL"; 24964674f1SAnirudh Venkataramanan case ICE_VSI_LB: 25964674f1SAnirudh Venkataramanan return "ICE_VSI_LB"; 26964674f1SAnirudh Venkataramanan default: 27964674f1SAnirudh Venkataramanan return "unknown"; 28964674f1SAnirudh Venkataramanan } 29964674f1SAnirudh Venkataramanan } 30964674f1SAnirudh Venkataramanan 31964674f1SAnirudh Venkataramanan /** 3213a6233bSBrett Creeley * ice_vsi_ctrl_all_rx_rings - Start or stop a VSI's Rx rings 33d02f734cSMaciej Fijalkowski * @vsi: the VSI being configured 34d02f734cSMaciej Fijalkowski * @ena: start or stop the Rx rings 3513a6233bSBrett Creeley * 3613a6233bSBrett Creeley * First enable/disable all of the Rx rings, flush any remaining writes, and 3713a6233bSBrett Creeley * then verify that they have all been enabled/disabled successfully. This will 3813a6233bSBrett Creeley * let all of the register writes complete when enabling/disabling the Rx rings 3913a6233bSBrett Creeley * before waiting for the change in hardware to complete. 40d02f734cSMaciej Fijalkowski */ 4113a6233bSBrett Creeley static int ice_vsi_ctrl_all_rx_rings(struct ice_vsi *vsi, bool ena) 42d02f734cSMaciej Fijalkowski { 4388865fc4SKarol Kolacinski int ret = 0; 4488865fc4SKarol Kolacinski u16 i; 45d02f734cSMaciej Fijalkowski 4613a6233bSBrett Creeley for (i = 0; i < vsi->num_rxq; i++) 4713a6233bSBrett Creeley ice_vsi_ctrl_one_rx_ring(vsi, ena, i, false); 4813a6233bSBrett Creeley 4913a6233bSBrett Creeley ice_flush(&vsi->back->hw); 5013a6233bSBrett Creeley 51d02f734cSMaciej Fijalkowski for (i = 0; i < vsi->num_rxq; i++) { 5213a6233bSBrett Creeley ret = ice_vsi_wait_one_rx_ring(vsi, ena, i); 53d02f734cSMaciej Fijalkowski if (ret) 54d02f734cSMaciej Fijalkowski break; 5572adf242SAnirudh Venkataramanan } 5672adf242SAnirudh Venkataramanan 5772adf242SAnirudh Venkataramanan return ret; 5872adf242SAnirudh Venkataramanan } 5972adf242SAnirudh Venkataramanan 6072adf242SAnirudh Venkataramanan /** 6128c2a645SAnirudh Venkataramanan * ice_vsi_alloc_arrays - Allocate queue and vector pointer arrays for the VSI 6228c2a645SAnirudh Venkataramanan * @vsi: VSI pointer 6328c2a645SAnirudh Venkataramanan * 6428c2a645SAnirudh Venkataramanan * On error: returns error code (negative) 6528c2a645SAnirudh Venkataramanan * On success: returns 0 6628c2a645SAnirudh Venkataramanan */ 67a85a3847SBrett Creeley static int ice_vsi_alloc_arrays(struct ice_vsi *vsi) 6828c2a645SAnirudh Venkataramanan { 6928c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 704015d11eSBrett Creeley struct device *dev; 714015d11eSBrett Creeley 724015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 7328c2a645SAnirudh Venkataramanan 7428c2a645SAnirudh Venkataramanan /* allocate memory for both Tx and Rx ring pointers */ 754015d11eSBrett Creeley vsi->tx_rings = devm_kcalloc(dev, vsi->alloc_txq, 76c6dfd690SBruce Allan sizeof(*vsi->tx_rings), GFP_KERNEL); 7728c2a645SAnirudh Venkataramanan if (!vsi->tx_rings) 7878b5713aSAnirudh Venkataramanan return -ENOMEM; 7928c2a645SAnirudh Venkataramanan 804015d11eSBrett Creeley vsi->rx_rings = devm_kcalloc(dev, vsi->alloc_rxq, 81c6dfd690SBruce Allan sizeof(*vsi->rx_rings), GFP_KERNEL); 8228c2a645SAnirudh Venkataramanan if (!vsi->rx_rings) 8378b5713aSAnirudh Venkataramanan goto err_rings; 8478b5713aSAnirudh Venkataramanan 85efc2214bSMaciej Fijalkowski /* XDP will have vsi->alloc_txq Tx queues as well, so double the size */ 864015d11eSBrett Creeley vsi->txq_map = devm_kcalloc(dev, (2 * vsi->alloc_txq), 8778b5713aSAnirudh Venkataramanan sizeof(*vsi->txq_map), GFP_KERNEL); 8878b5713aSAnirudh Venkataramanan 8978b5713aSAnirudh Venkataramanan if (!vsi->txq_map) 9078b5713aSAnirudh Venkataramanan goto err_txq_map; 9178b5713aSAnirudh Venkataramanan 924015d11eSBrett Creeley vsi->rxq_map = devm_kcalloc(dev, vsi->alloc_rxq, 9378b5713aSAnirudh Venkataramanan sizeof(*vsi->rxq_map), GFP_KERNEL); 9478b5713aSAnirudh Venkataramanan if (!vsi->rxq_map) 9578b5713aSAnirudh Venkataramanan goto err_rxq_map; 9678b5713aSAnirudh Venkataramanan 970e674aebSAnirudh Venkataramanan /* There is no need to allocate q_vectors for a loopback VSI. */ 980e674aebSAnirudh Venkataramanan if (vsi->type == ICE_VSI_LB) 990e674aebSAnirudh Venkataramanan return 0; 1000e674aebSAnirudh Venkataramanan 10128c2a645SAnirudh Venkataramanan /* allocate memory for q_vector pointers */ 1024015d11eSBrett Creeley vsi->q_vectors = devm_kcalloc(dev, vsi->num_q_vectors, 103a85a3847SBrett Creeley sizeof(*vsi->q_vectors), GFP_KERNEL); 10428c2a645SAnirudh Venkataramanan if (!vsi->q_vectors) 10528c2a645SAnirudh Venkataramanan goto err_vectors; 10628c2a645SAnirudh Venkataramanan 10728c2a645SAnirudh Venkataramanan return 0; 10828c2a645SAnirudh Venkataramanan 10928c2a645SAnirudh Venkataramanan err_vectors: 1104015d11eSBrett Creeley devm_kfree(dev, vsi->rxq_map); 11178b5713aSAnirudh Venkataramanan err_rxq_map: 1124015d11eSBrett Creeley devm_kfree(dev, vsi->txq_map); 11378b5713aSAnirudh Venkataramanan err_txq_map: 1144015d11eSBrett Creeley devm_kfree(dev, vsi->rx_rings); 11578b5713aSAnirudh Venkataramanan err_rings: 1164015d11eSBrett Creeley devm_kfree(dev, vsi->tx_rings); 11728c2a645SAnirudh Venkataramanan return -ENOMEM; 11828c2a645SAnirudh Venkataramanan } 11928c2a645SAnirudh Venkataramanan 12028c2a645SAnirudh Venkataramanan /** 121ad71b256SBrett Creeley * ice_vsi_set_num_desc - Set number of descriptors for queues on this VSI 122ad71b256SBrett Creeley * @vsi: the VSI being configured 123ad71b256SBrett Creeley */ 124ad71b256SBrett Creeley static void ice_vsi_set_num_desc(struct ice_vsi *vsi) 125ad71b256SBrett Creeley { 126ad71b256SBrett Creeley switch (vsi->type) { 127ad71b256SBrett Creeley case ICE_VSI_PF: 128148beb61SHenry Tieman case ICE_VSI_CTRL: 1290e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 130ad71b256SBrett Creeley vsi->num_rx_desc = ICE_DFLT_NUM_RX_DESC; 131ad71b256SBrett Creeley vsi->num_tx_desc = ICE_DFLT_NUM_TX_DESC; 132ad71b256SBrett Creeley break; 133ad71b256SBrett Creeley default: 13419cce2c6SAnirudh Venkataramanan dev_dbg(ice_pf_to_dev(vsi->back), "Not setting number of Tx/Rx descriptors for VSI type %d\n", 135ad71b256SBrett Creeley vsi->type); 136ad71b256SBrett Creeley break; 137ad71b256SBrett Creeley } 138ad71b256SBrett Creeley } 139ad71b256SBrett Creeley 140ad71b256SBrett Creeley /** 141ad71b256SBrett Creeley * ice_vsi_set_num_qs - Set number of queues, descriptors and vectors for a VSI 14228c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 143f9867df6SAnirudh Venkataramanan * @vf_id: ID of the VF being configured 14428c2a645SAnirudh Venkataramanan * 14528c2a645SAnirudh Venkataramanan * Return 0 on success and a negative value on error 14628c2a645SAnirudh Venkataramanan */ 1475743020dSAkeem G Abodunrin static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id) 14828c2a645SAnirudh Venkataramanan { 14928c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 1505743020dSAkeem G Abodunrin struct ice_vf *vf = NULL; 1515743020dSAkeem G Abodunrin 1525743020dSAkeem G Abodunrin if (vsi->type == ICE_VSI_VF) 1535743020dSAkeem G Abodunrin vsi->vf_id = vf_id; 1545743020dSAkeem G Abodunrin 15528c2a645SAnirudh Venkataramanan switch (vsi->type) { 15628c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 1578c243700SAnirudh Venkataramanan vsi->alloc_txq = min_t(int, ice_get_avail_txq_count(pf), 1588c243700SAnirudh Venkataramanan num_online_cpus()); 15987324e74SHenry Tieman if (vsi->req_txq) { 16087324e74SHenry Tieman vsi->alloc_txq = vsi->req_txq; 16187324e74SHenry Tieman vsi->num_txq = vsi->req_txq; 16287324e74SHenry Tieman } 1638c243700SAnirudh Venkataramanan 1648c243700SAnirudh Venkataramanan pf->num_lan_tx = vsi->alloc_txq; 1658c243700SAnirudh Venkataramanan 1668c243700SAnirudh Venkataramanan /* only 1 Rx queue unless RSS is enabled */ 16787324e74SHenry Tieman if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 1688c243700SAnirudh Venkataramanan vsi->alloc_rxq = 1; 16987324e74SHenry Tieman } else { 1708c243700SAnirudh Venkataramanan vsi->alloc_rxq = min_t(int, ice_get_avail_rxq_count(pf), 1718c243700SAnirudh Venkataramanan num_online_cpus()); 17287324e74SHenry Tieman if (vsi->req_rxq) { 17387324e74SHenry Tieman vsi->alloc_rxq = vsi->req_rxq; 17487324e74SHenry Tieman vsi->num_rxq = vsi->req_rxq; 17587324e74SHenry Tieman } 17687324e74SHenry Tieman } 1778c243700SAnirudh Venkataramanan 1788c243700SAnirudh Venkataramanan pf->num_lan_rx = vsi->alloc_rxq; 1798c243700SAnirudh Venkataramanan 18034cdcb16SBrett Creeley vsi->num_q_vectors = max_t(int, vsi->alloc_rxq, vsi->alloc_txq); 18128c2a645SAnirudh Venkataramanan break; 1828ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 1835743020dSAkeem G Abodunrin vf = &pf->vf[vsi->vf_id]; 1845743020dSAkeem G Abodunrin vsi->alloc_txq = vf->num_vf_qs; 1855743020dSAkeem G Abodunrin vsi->alloc_rxq = vf->num_vf_qs; 18646c276ceSBrett Creeley /* pf->num_msix_per_vf includes (VF miscellaneous vector + 1878ede0178SAnirudh Venkataramanan * data queue interrupts). Since vsi->num_q_vectors is number 188047e52c0SAnirudh Venkataramanan * of queues vectors, subtract 1 (ICE_NONQ_VECS_VF) from the 189047e52c0SAnirudh Venkataramanan * original vector count 1908ede0178SAnirudh Venkataramanan */ 19146c276ceSBrett Creeley vsi->num_q_vectors = pf->num_msix_per_vf - ICE_NONQ_VECS_VF; 1928ede0178SAnirudh Venkataramanan break; 193148beb61SHenry Tieman case ICE_VSI_CTRL: 194148beb61SHenry Tieman vsi->alloc_txq = 1; 195148beb61SHenry Tieman vsi->alloc_rxq = 1; 196148beb61SHenry Tieman vsi->num_q_vectors = 1; 197148beb61SHenry Tieman break; 1980e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 1990e674aebSAnirudh Venkataramanan vsi->alloc_txq = 1; 2000e674aebSAnirudh Venkataramanan vsi->alloc_rxq = 1; 2010e674aebSAnirudh Venkataramanan break; 20228c2a645SAnirudh Venkataramanan default: 2034015d11eSBrett Creeley dev_warn(ice_pf_to_dev(pf), "Unknown VSI type %d\n", vsi->type); 20428c2a645SAnirudh Venkataramanan break; 20528c2a645SAnirudh Venkataramanan } 206ad71b256SBrett Creeley 207ad71b256SBrett Creeley ice_vsi_set_num_desc(vsi); 20828c2a645SAnirudh Venkataramanan } 20928c2a645SAnirudh Venkataramanan 21028c2a645SAnirudh Venkataramanan /** 21128c2a645SAnirudh Venkataramanan * ice_get_free_slot - get the next non-NULL location index in array 21228c2a645SAnirudh Venkataramanan * @array: array to search 21328c2a645SAnirudh Venkataramanan * @size: size of the array 21428c2a645SAnirudh Venkataramanan * @curr: last known occupied index to be used as a search hint 21528c2a645SAnirudh Venkataramanan * 21628c2a645SAnirudh Venkataramanan * void * is being used to keep the functionality generic. This lets us use this 21728c2a645SAnirudh Venkataramanan * function on any array of pointers. 21828c2a645SAnirudh Venkataramanan */ 21937bb8390SAnirudh Venkataramanan static int ice_get_free_slot(void *array, int size, int curr) 22028c2a645SAnirudh Venkataramanan { 22128c2a645SAnirudh Venkataramanan int **tmp_array = (int **)array; 22228c2a645SAnirudh Venkataramanan int next; 22328c2a645SAnirudh Venkataramanan 22428c2a645SAnirudh Venkataramanan if (curr < (size - 1) && !tmp_array[curr + 1]) { 22528c2a645SAnirudh Venkataramanan next = curr + 1; 22628c2a645SAnirudh Venkataramanan } else { 22728c2a645SAnirudh Venkataramanan int i = 0; 22828c2a645SAnirudh Venkataramanan 22928c2a645SAnirudh Venkataramanan while ((i < size) && (tmp_array[i])) 23028c2a645SAnirudh Venkataramanan i++; 23128c2a645SAnirudh Venkataramanan if (i == size) 23228c2a645SAnirudh Venkataramanan next = ICE_NO_VSI; 23328c2a645SAnirudh Venkataramanan else 23428c2a645SAnirudh Venkataramanan next = i; 23528c2a645SAnirudh Venkataramanan } 23628c2a645SAnirudh Venkataramanan return next; 23728c2a645SAnirudh Venkataramanan } 23828c2a645SAnirudh Venkataramanan 23928c2a645SAnirudh Venkataramanan /** 2405153a18eSAnirudh Venkataramanan * ice_vsi_delete - delete a VSI from the switch 2415153a18eSAnirudh Venkataramanan * @vsi: pointer to VSI being removed 2425153a18eSAnirudh Venkataramanan */ 2435153a18eSAnirudh Venkataramanan void ice_vsi_delete(struct ice_vsi *vsi) 2445153a18eSAnirudh Venkataramanan { 2455153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 246198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 2475153a18eSAnirudh Venkataramanan enum ice_status status; 2485153a18eSAnirudh Venkataramanan 2499efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 250198a666aSBruce Allan if (!ctxt) 251198a666aSBruce Allan return; 252198a666aSBruce Allan 2538ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 254198a666aSBruce Allan ctxt->vf_num = vsi->vf_id; 255198a666aSBruce Allan ctxt->vsi_num = vsi->vsi_num; 2565153a18eSAnirudh Venkataramanan 257198a666aSBruce Allan memcpy(&ctxt->info, &vsi->info, sizeof(ctxt->info)); 2585153a18eSAnirudh Venkataramanan 259198a666aSBruce Allan status = ice_free_vsi(&pf->hw, vsi->idx, ctxt, false, NULL); 2605153a18eSAnirudh Venkataramanan if (status) 2610fee3577SLihong Yang dev_err(ice_pf_to_dev(pf), "Failed to delete VSI %i in FW - error: %s\n", 2620fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 263198a666aSBruce Allan 2649efe35d0STony Nguyen kfree(ctxt); 2655153a18eSAnirudh Venkataramanan } 2665153a18eSAnirudh Venkataramanan 2675153a18eSAnirudh Venkataramanan /** 268a85a3847SBrett Creeley * ice_vsi_free_arrays - De-allocate queue and vector pointer arrays for the VSI 26907309a0eSAnirudh Venkataramanan * @vsi: pointer to VSI being cleared 27007309a0eSAnirudh Venkataramanan */ 271a85a3847SBrett Creeley static void ice_vsi_free_arrays(struct ice_vsi *vsi) 27207309a0eSAnirudh Venkataramanan { 27307309a0eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 2744015d11eSBrett Creeley struct device *dev; 2754015d11eSBrett Creeley 2764015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 27707309a0eSAnirudh Venkataramanan 27807309a0eSAnirudh Venkataramanan /* free the ring and vector containers */ 279a85a3847SBrett Creeley if (vsi->q_vectors) { 2804015d11eSBrett Creeley devm_kfree(dev, vsi->q_vectors); 28107309a0eSAnirudh Venkataramanan vsi->q_vectors = NULL; 28207309a0eSAnirudh Venkataramanan } 28307309a0eSAnirudh Venkataramanan if (vsi->tx_rings) { 2844015d11eSBrett Creeley devm_kfree(dev, vsi->tx_rings); 28507309a0eSAnirudh Venkataramanan vsi->tx_rings = NULL; 28607309a0eSAnirudh Venkataramanan } 28707309a0eSAnirudh Venkataramanan if (vsi->rx_rings) { 2884015d11eSBrett Creeley devm_kfree(dev, vsi->rx_rings); 28907309a0eSAnirudh Venkataramanan vsi->rx_rings = NULL; 29007309a0eSAnirudh Venkataramanan } 29178b5713aSAnirudh Venkataramanan if (vsi->txq_map) { 2924015d11eSBrett Creeley devm_kfree(dev, vsi->txq_map); 29378b5713aSAnirudh Venkataramanan vsi->txq_map = NULL; 29478b5713aSAnirudh Venkataramanan } 29578b5713aSAnirudh Venkataramanan if (vsi->rxq_map) { 2964015d11eSBrett Creeley devm_kfree(dev, vsi->rxq_map); 29778b5713aSAnirudh Venkataramanan vsi->rxq_map = NULL; 29878b5713aSAnirudh Venkataramanan } 29907309a0eSAnirudh Venkataramanan } 30007309a0eSAnirudh Venkataramanan 30107309a0eSAnirudh Venkataramanan /** 30207309a0eSAnirudh Venkataramanan * ice_vsi_clear - clean up and deallocate the provided VSI 30307309a0eSAnirudh Venkataramanan * @vsi: pointer to VSI being cleared 30407309a0eSAnirudh Venkataramanan * 30507309a0eSAnirudh Venkataramanan * This deallocates the VSI's queue resources, removes it from the PF's 30607309a0eSAnirudh Venkataramanan * VSI array if necessary, and deallocates the VSI 30707309a0eSAnirudh Venkataramanan * 30807309a0eSAnirudh Venkataramanan * Returns 0 on success, negative on failure 30907309a0eSAnirudh Venkataramanan */ 31007309a0eSAnirudh Venkataramanan int ice_vsi_clear(struct ice_vsi *vsi) 31107309a0eSAnirudh Venkataramanan { 31207309a0eSAnirudh Venkataramanan struct ice_pf *pf = NULL; 3134015d11eSBrett Creeley struct device *dev; 31407309a0eSAnirudh Venkataramanan 31507309a0eSAnirudh Venkataramanan if (!vsi) 31607309a0eSAnirudh Venkataramanan return 0; 31707309a0eSAnirudh Venkataramanan 31807309a0eSAnirudh Venkataramanan if (!vsi->back) 31907309a0eSAnirudh Venkataramanan return -EINVAL; 32007309a0eSAnirudh Venkataramanan 32107309a0eSAnirudh Venkataramanan pf = vsi->back; 3224015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 32307309a0eSAnirudh Venkataramanan 32407309a0eSAnirudh Venkataramanan if (!pf->vsi[vsi->idx] || pf->vsi[vsi->idx] != vsi) { 3254015d11eSBrett Creeley dev_dbg(dev, "vsi does not exist at pf->vsi[%d]\n", vsi->idx); 32607309a0eSAnirudh Venkataramanan return -EINVAL; 32707309a0eSAnirudh Venkataramanan } 32807309a0eSAnirudh Venkataramanan 32907309a0eSAnirudh Venkataramanan mutex_lock(&pf->sw_mutex); 33007309a0eSAnirudh Venkataramanan /* updates the PF for this cleared VSI */ 33107309a0eSAnirudh Venkataramanan 33207309a0eSAnirudh Venkataramanan pf->vsi[vsi->idx] = NULL; 333148beb61SHenry Tieman if (vsi->idx < pf->next_vsi && vsi->type != ICE_VSI_CTRL) 33407309a0eSAnirudh Venkataramanan pf->next_vsi = vsi->idx; 33507309a0eSAnirudh Venkataramanan 336a85a3847SBrett Creeley ice_vsi_free_arrays(vsi); 33707309a0eSAnirudh Venkataramanan mutex_unlock(&pf->sw_mutex); 3384015d11eSBrett Creeley devm_kfree(dev, vsi); 33907309a0eSAnirudh Venkataramanan 34007309a0eSAnirudh Venkataramanan return 0; 34107309a0eSAnirudh Venkataramanan } 34207309a0eSAnirudh Venkataramanan 34307309a0eSAnirudh Venkataramanan /** 344148beb61SHenry Tieman * ice_msix_clean_ctrl_vsi - MSIX mode interrupt handler for ctrl VSI 345148beb61SHenry Tieman * @irq: interrupt number 346148beb61SHenry Tieman * @data: pointer to a q_vector 347148beb61SHenry Tieman */ 348148beb61SHenry Tieman static irqreturn_t ice_msix_clean_ctrl_vsi(int __always_unused irq, void *data) 349148beb61SHenry Tieman { 350148beb61SHenry Tieman struct ice_q_vector *q_vector = (struct ice_q_vector *)data; 351148beb61SHenry Tieman 352148beb61SHenry Tieman if (!q_vector->tx.ring) 353148beb61SHenry Tieman return IRQ_HANDLED; 354148beb61SHenry Tieman 355148beb61SHenry Tieman #define FDIR_RX_DESC_CLEAN_BUDGET 64 356148beb61SHenry Tieman ice_clean_rx_irq(q_vector->rx.ring, FDIR_RX_DESC_CLEAN_BUDGET); 357148beb61SHenry Tieman ice_clean_ctrl_tx_irq(q_vector->tx.ring); 358148beb61SHenry Tieman 359148beb61SHenry Tieman return IRQ_HANDLED; 360148beb61SHenry Tieman } 361148beb61SHenry Tieman 362148beb61SHenry Tieman /** 3635153a18eSAnirudh Venkataramanan * ice_msix_clean_rings - MSIX mode Interrupt Handler 3645153a18eSAnirudh Venkataramanan * @irq: interrupt number 3655153a18eSAnirudh Venkataramanan * @data: pointer to a q_vector 3665153a18eSAnirudh Venkataramanan */ 367f3aaaaaaSAnirudh Venkataramanan static irqreturn_t ice_msix_clean_rings(int __always_unused irq, void *data) 3685153a18eSAnirudh Venkataramanan { 3695153a18eSAnirudh Venkataramanan struct ice_q_vector *q_vector = (struct ice_q_vector *)data; 3705153a18eSAnirudh Venkataramanan 3715153a18eSAnirudh Venkataramanan if (!q_vector->tx.ring && !q_vector->rx.ring) 3725153a18eSAnirudh Venkataramanan return IRQ_HANDLED; 3735153a18eSAnirudh Venkataramanan 3745153a18eSAnirudh Venkataramanan napi_schedule(&q_vector->napi); 3755153a18eSAnirudh Venkataramanan 3765153a18eSAnirudh Venkataramanan return IRQ_HANDLED; 3775153a18eSAnirudh Venkataramanan } 3785153a18eSAnirudh Venkataramanan 3795153a18eSAnirudh Venkataramanan /** 38037bb8390SAnirudh Venkataramanan * ice_vsi_alloc - Allocates the next available struct VSI in the PF 38137bb8390SAnirudh Venkataramanan * @pf: board private structure 3826dae8aa0SBruce Allan * @vsi_type: type of VSI 383f9867df6SAnirudh Venkataramanan * @vf_id: ID of the VF being configured 38437bb8390SAnirudh Venkataramanan * 38537bb8390SAnirudh Venkataramanan * returns a pointer to a VSI on success, NULL on failure. 38637bb8390SAnirudh Venkataramanan */ 3875743020dSAkeem G Abodunrin static struct ice_vsi * 3886dae8aa0SBruce Allan ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type vsi_type, u16 vf_id) 38937bb8390SAnirudh Venkataramanan { 3904015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 39137bb8390SAnirudh Venkataramanan struct ice_vsi *vsi = NULL; 39237bb8390SAnirudh Venkataramanan 39337bb8390SAnirudh Venkataramanan /* Need to protect the allocation of the VSIs at the PF level */ 39437bb8390SAnirudh Venkataramanan mutex_lock(&pf->sw_mutex); 39537bb8390SAnirudh Venkataramanan 39637bb8390SAnirudh Venkataramanan /* If we have already allocated our maximum number of VSIs, 39737bb8390SAnirudh Venkataramanan * pf->next_vsi will be ICE_NO_VSI. If not, pf->next_vsi index 39837bb8390SAnirudh Venkataramanan * is available to be populated 39937bb8390SAnirudh Venkataramanan */ 40037bb8390SAnirudh Venkataramanan if (pf->next_vsi == ICE_NO_VSI) { 4014015d11eSBrett Creeley dev_dbg(dev, "out of VSI slots!\n"); 40237bb8390SAnirudh Venkataramanan goto unlock_pf; 40337bb8390SAnirudh Venkataramanan } 40437bb8390SAnirudh Venkataramanan 4054015d11eSBrett Creeley vsi = devm_kzalloc(dev, sizeof(*vsi), GFP_KERNEL); 40637bb8390SAnirudh Venkataramanan if (!vsi) 40737bb8390SAnirudh Venkataramanan goto unlock_pf; 40837bb8390SAnirudh Venkataramanan 4096dae8aa0SBruce Allan vsi->type = vsi_type; 41037bb8390SAnirudh Venkataramanan vsi->back = pf; 41137bb8390SAnirudh Venkataramanan set_bit(__ICE_DOWN, vsi->state); 4129d56b7fdSJesse Brandeburg 4136dae8aa0SBruce Allan if (vsi_type == ICE_VSI_VF) 4145743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, vf_id); 4155743020dSAkeem G Abodunrin else 4165743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID); 41737bb8390SAnirudh Venkataramanan 41837bb8390SAnirudh Venkataramanan switch (vsi->type) { 41937bb8390SAnirudh Venkataramanan case ICE_VSI_PF: 420a85a3847SBrett Creeley if (ice_vsi_alloc_arrays(vsi)) 42137bb8390SAnirudh Venkataramanan goto err_rings; 42237bb8390SAnirudh Venkataramanan 42337bb8390SAnirudh Venkataramanan /* Setup default MSIX irq handler for VSI */ 42437bb8390SAnirudh Venkataramanan vsi->irq_handler = ice_msix_clean_rings; 42537bb8390SAnirudh Venkataramanan break; 426148beb61SHenry Tieman case ICE_VSI_CTRL: 427148beb61SHenry Tieman if (ice_vsi_alloc_arrays(vsi)) 428148beb61SHenry Tieman goto err_rings; 429148beb61SHenry Tieman 430148beb61SHenry Tieman /* Setup ctrl VSI MSIX irq handler */ 431148beb61SHenry Tieman vsi->irq_handler = ice_msix_clean_ctrl_vsi; 432148beb61SHenry Tieman break; 4338ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 434a85a3847SBrett Creeley if (ice_vsi_alloc_arrays(vsi)) 4358ede0178SAnirudh Venkataramanan goto err_rings; 4368ede0178SAnirudh Venkataramanan break; 4370e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 4380e674aebSAnirudh Venkataramanan if (ice_vsi_alloc_arrays(vsi)) 4390e674aebSAnirudh Venkataramanan goto err_rings; 4400e674aebSAnirudh Venkataramanan break; 44137bb8390SAnirudh Venkataramanan default: 4424015d11eSBrett Creeley dev_warn(dev, "Unknown VSI type %d\n", vsi->type); 44337bb8390SAnirudh Venkataramanan goto unlock_pf; 44437bb8390SAnirudh Venkataramanan } 44537bb8390SAnirudh Venkataramanan 446148beb61SHenry Tieman if (vsi->type == ICE_VSI_CTRL) { 447148beb61SHenry Tieman /* Use the last VSI slot as the index for the control VSI */ 448148beb61SHenry Tieman vsi->idx = pf->num_alloc_vsi - 1; 449148beb61SHenry Tieman pf->ctrl_vsi_idx = vsi->idx; 450148beb61SHenry Tieman pf->vsi[vsi->idx] = vsi; 451148beb61SHenry Tieman } else { 452148beb61SHenry Tieman /* fill slot and make note of the index */ 453148beb61SHenry Tieman vsi->idx = pf->next_vsi; 45437bb8390SAnirudh Venkataramanan pf->vsi[pf->next_vsi] = vsi; 45537bb8390SAnirudh Venkataramanan 45637bb8390SAnirudh Venkataramanan /* prepare pf->next_vsi for next use */ 45737bb8390SAnirudh Venkataramanan pf->next_vsi = ice_get_free_slot(pf->vsi, pf->num_alloc_vsi, 45837bb8390SAnirudh Venkataramanan pf->next_vsi); 459148beb61SHenry Tieman } 46037bb8390SAnirudh Venkataramanan goto unlock_pf; 46137bb8390SAnirudh Venkataramanan 46237bb8390SAnirudh Venkataramanan err_rings: 4634015d11eSBrett Creeley devm_kfree(dev, vsi); 46437bb8390SAnirudh Venkataramanan vsi = NULL; 46537bb8390SAnirudh Venkataramanan unlock_pf: 46637bb8390SAnirudh Venkataramanan mutex_unlock(&pf->sw_mutex); 46737bb8390SAnirudh Venkataramanan return vsi; 46837bb8390SAnirudh Venkataramanan } 46937bb8390SAnirudh Venkataramanan 47037bb8390SAnirudh Venkataramanan /** 471148beb61SHenry Tieman * ice_alloc_fd_res - Allocate FD resource for a VSI 472148beb61SHenry Tieman * @vsi: pointer to the ice_vsi 473148beb61SHenry Tieman * 474148beb61SHenry Tieman * This allocates the FD resources 475148beb61SHenry Tieman * 476148beb61SHenry Tieman * Returns 0 on success, -EPERM on no-op or -EIO on failure 477148beb61SHenry Tieman */ 478148beb61SHenry Tieman static int ice_alloc_fd_res(struct ice_vsi *vsi) 479148beb61SHenry Tieman { 480148beb61SHenry Tieman struct ice_pf *pf = vsi->back; 481148beb61SHenry Tieman u32 g_val, b_val; 482148beb61SHenry Tieman 483148beb61SHenry Tieman /* Flow Director filters are only allocated/assigned to the PF VSI which 484148beb61SHenry Tieman * passes the traffic. The CTRL VSI is only used to add/delete filters 485148beb61SHenry Tieman * so we don't allocate resources to it 486148beb61SHenry Tieman */ 487148beb61SHenry Tieman 488148beb61SHenry Tieman /* FD filters from guaranteed pool per VSI */ 489148beb61SHenry Tieman g_val = pf->hw.func_caps.fd_fltr_guar; 490148beb61SHenry Tieman if (!g_val) 491148beb61SHenry Tieman return -EPERM; 492148beb61SHenry Tieman 493148beb61SHenry Tieman /* FD filters from best effort pool */ 494148beb61SHenry Tieman b_val = pf->hw.func_caps.fd_fltr_best_effort; 495148beb61SHenry Tieman if (!b_val) 496148beb61SHenry Tieman return -EPERM; 497148beb61SHenry Tieman 498148beb61SHenry Tieman if (vsi->type != ICE_VSI_PF) 499148beb61SHenry Tieman return -EPERM; 500148beb61SHenry Tieman 501148beb61SHenry Tieman if (!test_bit(ICE_FLAG_FD_ENA, pf->flags)) 502148beb61SHenry Tieman return -EPERM; 503148beb61SHenry Tieman 504148beb61SHenry Tieman vsi->num_gfltr = g_val / pf->num_alloc_vsi; 505148beb61SHenry Tieman 506148beb61SHenry Tieman /* each VSI gets same "best_effort" quota */ 507148beb61SHenry Tieman vsi->num_bfltr = b_val; 508148beb61SHenry Tieman 509148beb61SHenry Tieman return 0; 510148beb61SHenry Tieman } 511148beb61SHenry Tieman 512148beb61SHenry Tieman /** 513df0f8479SAnirudh Venkataramanan * ice_vsi_get_qs - Assign queues from PF to VSI 514df0f8479SAnirudh Venkataramanan * @vsi: the VSI to assign queues to 515df0f8479SAnirudh Venkataramanan * 516df0f8479SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 517df0f8479SAnirudh Venkataramanan */ 51837bb8390SAnirudh Venkataramanan static int ice_vsi_get_qs(struct ice_vsi *vsi) 519df0f8479SAnirudh Venkataramanan { 52003f7a986SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 52103f7a986SAnirudh Venkataramanan struct ice_qs_cfg tx_qs_cfg = { 52203f7a986SAnirudh Venkataramanan .qs_mutex = &pf->avail_q_mutex, 52303f7a986SAnirudh Venkataramanan .pf_map = pf->avail_txqs, 52478b5713aSAnirudh Venkataramanan .pf_map_size = pf->max_pf_txqs, 52503f7a986SAnirudh Venkataramanan .q_count = vsi->alloc_txq, 52603f7a986SAnirudh Venkataramanan .scatter_count = ICE_MAX_SCATTER_TXQS, 52703f7a986SAnirudh Venkataramanan .vsi_map = vsi->txq_map, 52803f7a986SAnirudh Venkataramanan .vsi_map_offset = 0, 52939066dc5SBrett Creeley .mapping_mode = ICE_VSI_MAP_CONTIG 53003f7a986SAnirudh Venkataramanan }; 53103f7a986SAnirudh Venkataramanan struct ice_qs_cfg rx_qs_cfg = { 53203f7a986SAnirudh Venkataramanan .qs_mutex = &pf->avail_q_mutex, 53303f7a986SAnirudh Venkataramanan .pf_map = pf->avail_rxqs, 53478b5713aSAnirudh Venkataramanan .pf_map_size = pf->max_pf_rxqs, 53503f7a986SAnirudh Venkataramanan .q_count = vsi->alloc_rxq, 53603f7a986SAnirudh Venkataramanan .scatter_count = ICE_MAX_SCATTER_RXQS, 53703f7a986SAnirudh Venkataramanan .vsi_map = vsi->rxq_map, 53803f7a986SAnirudh Venkataramanan .vsi_map_offset = 0, 53939066dc5SBrett Creeley .mapping_mode = ICE_VSI_MAP_CONTIG 54003f7a986SAnirudh Venkataramanan }; 54139066dc5SBrett Creeley int ret; 542df0f8479SAnirudh Venkataramanan 54303f7a986SAnirudh Venkataramanan ret = __ice_vsi_get_qs(&tx_qs_cfg); 54439066dc5SBrett Creeley if (ret) 545df0f8479SAnirudh Venkataramanan return ret; 54639066dc5SBrett Creeley vsi->tx_mapping_mode = tx_qs_cfg.mapping_mode; 54739066dc5SBrett Creeley 54839066dc5SBrett Creeley ret = __ice_vsi_get_qs(&rx_qs_cfg); 54939066dc5SBrett Creeley if (ret) 55039066dc5SBrett Creeley return ret; 55139066dc5SBrett Creeley vsi->rx_mapping_mode = rx_qs_cfg.mapping_mode; 55239066dc5SBrett Creeley 55339066dc5SBrett Creeley return 0; 554df0f8479SAnirudh Venkataramanan } 555df0f8479SAnirudh Venkataramanan 556df0f8479SAnirudh Venkataramanan /** 5575153a18eSAnirudh Venkataramanan * ice_vsi_put_qs - Release queues from VSI to PF 5585153a18eSAnirudh Venkataramanan * @vsi: the VSI that is going to release queues 5595153a18eSAnirudh Venkataramanan */ 5605153a18eSAnirudh Venkataramanan void ice_vsi_put_qs(struct ice_vsi *vsi) 5615153a18eSAnirudh Venkataramanan { 5625153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 5635153a18eSAnirudh Venkataramanan int i; 5645153a18eSAnirudh Venkataramanan 5655153a18eSAnirudh Venkataramanan mutex_lock(&pf->avail_q_mutex); 5665153a18eSAnirudh Venkataramanan 5675153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 5685153a18eSAnirudh Venkataramanan clear_bit(vsi->txq_map[i], pf->avail_txqs); 5695153a18eSAnirudh Venkataramanan vsi->txq_map[i] = ICE_INVAL_Q_INDEX; 5705153a18eSAnirudh Venkataramanan } 5715153a18eSAnirudh Venkataramanan 5725153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 5735153a18eSAnirudh Venkataramanan clear_bit(vsi->rxq_map[i], pf->avail_rxqs); 5745153a18eSAnirudh Venkataramanan vsi->rxq_map[i] = ICE_INVAL_Q_INDEX; 5755153a18eSAnirudh Venkataramanan } 5765153a18eSAnirudh Venkataramanan 5775153a18eSAnirudh Venkataramanan mutex_unlock(&pf->avail_q_mutex); 5785153a18eSAnirudh Venkataramanan } 5795153a18eSAnirudh Venkataramanan 5805153a18eSAnirudh Venkataramanan /** 581462acf6aSTony Nguyen * ice_is_safe_mode 582462acf6aSTony Nguyen * @pf: pointer to the PF struct 583462acf6aSTony Nguyen * 584462acf6aSTony Nguyen * returns true if driver is in safe mode, false otherwise 585462acf6aSTony Nguyen */ 586462acf6aSTony Nguyen bool ice_is_safe_mode(struct ice_pf *pf) 587462acf6aSTony Nguyen { 588462acf6aSTony Nguyen return !test_bit(ICE_FLAG_ADV_FEATURES, pf->flags); 589462acf6aSTony Nguyen } 590462acf6aSTony Nguyen 591462acf6aSTony Nguyen /** 5922c61054cSTony Nguyen * ice_vsi_clean_rss_flow_fld - Delete RSS configuration 5932c61054cSTony Nguyen * @vsi: the VSI being cleaned up 5942c61054cSTony Nguyen * 5952c61054cSTony Nguyen * This function deletes RSS input set for all flows that were configured 5962c61054cSTony Nguyen * for this VSI 5972c61054cSTony Nguyen */ 5982c61054cSTony Nguyen static void ice_vsi_clean_rss_flow_fld(struct ice_vsi *vsi) 5992c61054cSTony Nguyen { 6002c61054cSTony Nguyen struct ice_pf *pf = vsi->back; 6012c61054cSTony Nguyen enum ice_status status; 6022c61054cSTony Nguyen 6032c61054cSTony Nguyen if (ice_is_safe_mode(pf)) 6042c61054cSTony Nguyen return; 6052c61054cSTony Nguyen 6062c61054cSTony Nguyen status = ice_rem_vsi_rss_cfg(&pf->hw, vsi->idx); 6072c61054cSTony Nguyen if (status) 6080fee3577SLihong Yang dev_dbg(ice_pf_to_dev(pf), "ice_rem_vsi_rss_cfg failed for vsi = %d, error = %s\n", 6090fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 6102c61054cSTony Nguyen } 6112c61054cSTony Nguyen 6122c61054cSTony Nguyen /** 6132c61054cSTony Nguyen * ice_rss_clean - Delete RSS related VSI structures and configuration 614df0f8479SAnirudh Venkataramanan * @vsi: the VSI being removed 615df0f8479SAnirudh Venkataramanan */ 616df0f8479SAnirudh Venkataramanan static void ice_rss_clean(struct ice_vsi *vsi) 617df0f8479SAnirudh Venkataramanan { 6184015d11eSBrett Creeley struct ice_pf *pf = vsi->back; 6194015d11eSBrett Creeley struct device *dev; 620df0f8479SAnirudh Venkataramanan 6214015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 622df0f8479SAnirudh Venkataramanan 623df0f8479SAnirudh Venkataramanan if (vsi->rss_hkey_user) 6244015d11eSBrett Creeley devm_kfree(dev, vsi->rss_hkey_user); 625df0f8479SAnirudh Venkataramanan if (vsi->rss_lut_user) 6264015d11eSBrett Creeley devm_kfree(dev, vsi->rss_lut_user); 6272c61054cSTony Nguyen 6282c61054cSTony Nguyen ice_vsi_clean_rss_flow_fld(vsi); 6292c61054cSTony Nguyen /* remove RSS replay list */ 6302c61054cSTony Nguyen if (!ice_is_safe_mode(pf)) 6312c61054cSTony Nguyen ice_rem_vsi_rss_list(&pf->hw, vsi->idx); 632df0f8479SAnirudh Venkataramanan } 633df0f8479SAnirudh Venkataramanan 634df0f8479SAnirudh Venkataramanan /** 63528c2a645SAnirudh Venkataramanan * ice_vsi_set_rss_params - Setup RSS capabilities per VSI type 63628c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 63728c2a645SAnirudh Venkataramanan */ 63837bb8390SAnirudh Venkataramanan static void ice_vsi_set_rss_params(struct ice_vsi *vsi) 63928c2a645SAnirudh Venkataramanan { 64028c2a645SAnirudh Venkataramanan struct ice_hw_common_caps *cap; 64128c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 64228c2a645SAnirudh Venkataramanan 64328c2a645SAnirudh Venkataramanan if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 64428c2a645SAnirudh Venkataramanan vsi->rss_size = 1; 64528c2a645SAnirudh Venkataramanan return; 64628c2a645SAnirudh Venkataramanan } 64728c2a645SAnirudh Venkataramanan 64828c2a645SAnirudh Venkataramanan cap = &pf->hw.func_caps.common_cap; 64928c2a645SAnirudh Venkataramanan switch (vsi->type) { 65028c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 65128c2a645SAnirudh Venkataramanan /* PF VSI will inherit RSS instance of PF */ 65288865fc4SKarol Kolacinski vsi->rss_table_size = (u16)cap->rss_table_size; 65388865fc4SKarol Kolacinski vsi->rss_size = min_t(u16, num_online_cpus(), 65428c2a645SAnirudh Venkataramanan BIT(cap->rss_table_entry_width)); 65528c2a645SAnirudh Venkataramanan vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF; 65628c2a645SAnirudh Venkataramanan break; 6578ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 6580ca469fbSMitch Williams /* VF VSI will get a small RSS table. 6590ca469fbSMitch Williams * For VSI_LUT, LUT size should be set to 64 bytes. 6608ede0178SAnirudh Venkataramanan */ 6618ede0178SAnirudh Venkataramanan vsi->rss_table_size = ICE_VSIQF_HLUT_ARRAY_SIZE; 6620ca469fbSMitch Williams vsi->rss_size = ICE_MAX_RSS_QS_PER_VF; 6638ede0178SAnirudh Venkataramanan vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI; 6648ede0178SAnirudh Venkataramanan break; 6650e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 6660e674aebSAnirudh Venkataramanan break; 66728c2a645SAnirudh Venkataramanan default: 668148beb61SHenry Tieman dev_dbg(ice_pf_to_dev(pf), "Unsupported VSI type %s\n", 669148beb61SHenry Tieman ice_vsi_type_str(vsi->type)); 67028c2a645SAnirudh Venkataramanan break; 67128c2a645SAnirudh Venkataramanan } 67228c2a645SAnirudh Venkataramanan } 67328c2a645SAnirudh Venkataramanan 67428c2a645SAnirudh Venkataramanan /** 67528c2a645SAnirudh Venkataramanan * ice_set_dflt_vsi_ctx - Set default VSI context before adding a VSI 67628c2a645SAnirudh Venkataramanan * @ctxt: the VSI context being set 67728c2a645SAnirudh Venkataramanan * 67828c2a645SAnirudh Venkataramanan * This initializes a default VSI context for all sections except the Queues. 67928c2a645SAnirudh Venkataramanan */ 68028c2a645SAnirudh Venkataramanan static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt) 68128c2a645SAnirudh Venkataramanan { 68228c2a645SAnirudh Venkataramanan u32 table = 0; 68328c2a645SAnirudh Venkataramanan 68428c2a645SAnirudh Venkataramanan memset(&ctxt->info, 0, sizeof(ctxt->info)); 68528c2a645SAnirudh Venkataramanan /* VSI's should be allocated from shared pool */ 68628c2a645SAnirudh Venkataramanan ctxt->alloc_from_pool = true; 68728c2a645SAnirudh Venkataramanan /* Src pruning enabled by default */ 68828c2a645SAnirudh Venkataramanan ctxt->info.sw_flags = ICE_AQ_VSI_SW_FLAG_SRC_PRUNE; 68928c2a645SAnirudh Venkataramanan /* Traffic from VSI can be sent to LAN */ 69028c2a645SAnirudh Venkataramanan ctxt->info.sw_flags2 = ICE_AQ_VSI_SW_FLAG_LAN_ENA; 69128c2a645SAnirudh Venkataramanan /* By default bits 3 and 4 in vlan_flags are 0's which results in legacy 69228c2a645SAnirudh Venkataramanan * behavior (show VLAN, DEI, and UP) in descriptor. Also, allow all 69328c2a645SAnirudh Venkataramanan * packets untagged/tagged. 69428c2a645SAnirudh Venkataramanan */ 69528c2a645SAnirudh Venkataramanan ctxt->info.vlan_flags = ((ICE_AQ_VSI_VLAN_MODE_ALL & 69628c2a645SAnirudh Venkataramanan ICE_AQ_VSI_VLAN_MODE_M) >> 69728c2a645SAnirudh Venkataramanan ICE_AQ_VSI_VLAN_MODE_S); 69828c2a645SAnirudh Venkataramanan /* Have 1:1 UP mapping for both ingress/egress tables */ 69928c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(0, 0); 70028c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(1, 1); 70128c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(2, 2); 70228c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(3, 3); 70328c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(4, 4); 70428c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(5, 5); 70528c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(6, 6); 70628c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(7, 7); 70728c2a645SAnirudh Venkataramanan ctxt->info.ingress_table = cpu_to_le32(table); 70828c2a645SAnirudh Venkataramanan ctxt->info.egress_table = cpu_to_le32(table); 70928c2a645SAnirudh Venkataramanan /* Have 1:1 UP mapping for outer to inner UP table */ 71028c2a645SAnirudh Venkataramanan ctxt->info.outer_up_table = cpu_to_le32(table); 71128c2a645SAnirudh Venkataramanan /* No Outer tag support outer_tag_flags remains to zero */ 71228c2a645SAnirudh Venkataramanan } 71328c2a645SAnirudh Venkataramanan 71428c2a645SAnirudh Venkataramanan /** 71528c2a645SAnirudh Venkataramanan * ice_vsi_setup_q_map - Setup a VSI queue map 71628c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 71728c2a645SAnirudh Venkataramanan * @ctxt: VSI context structure 71828c2a645SAnirudh Venkataramanan */ 71928c2a645SAnirudh Venkataramanan static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) 72028c2a645SAnirudh Venkataramanan { 721c5a2a4a3SUsha Ketineni u16 offset = 0, qmap = 0, tx_count = 0; 72228c2a645SAnirudh Venkataramanan u16 qcount_tx = vsi->alloc_txq; 72328c2a645SAnirudh Venkataramanan u16 qcount_rx = vsi->alloc_rxq; 724c5a2a4a3SUsha Ketineni u16 tx_numq_tc, rx_numq_tc; 725c5a2a4a3SUsha Ketineni u16 pow = 0, max_rss = 0; 72628c2a645SAnirudh Venkataramanan bool ena_tc0 = false; 727c5a2a4a3SUsha Ketineni u8 netdev_tc = 0; 72828c2a645SAnirudh Venkataramanan int i; 72928c2a645SAnirudh Venkataramanan 73028c2a645SAnirudh Venkataramanan /* at least TC0 should be enabled by default */ 73128c2a645SAnirudh Venkataramanan if (vsi->tc_cfg.numtc) { 73228c2a645SAnirudh Venkataramanan if (!(vsi->tc_cfg.ena_tc & BIT(0))) 73328c2a645SAnirudh Venkataramanan ena_tc0 = true; 73428c2a645SAnirudh Venkataramanan } else { 73528c2a645SAnirudh Venkataramanan ena_tc0 = true; 73628c2a645SAnirudh Venkataramanan } 73728c2a645SAnirudh Venkataramanan 73828c2a645SAnirudh Venkataramanan if (ena_tc0) { 73928c2a645SAnirudh Venkataramanan vsi->tc_cfg.numtc++; 74028c2a645SAnirudh Venkataramanan vsi->tc_cfg.ena_tc |= 1; 74128c2a645SAnirudh Venkataramanan } 74228c2a645SAnirudh Venkataramanan 743c5a2a4a3SUsha Ketineni rx_numq_tc = qcount_rx / vsi->tc_cfg.numtc; 744c5a2a4a3SUsha Ketineni if (!rx_numq_tc) 745c5a2a4a3SUsha Ketineni rx_numq_tc = 1; 746c5a2a4a3SUsha Ketineni tx_numq_tc = qcount_tx / vsi->tc_cfg.numtc; 747c5a2a4a3SUsha Ketineni if (!tx_numq_tc) 748c5a2a4a3SUsha Ketineni tx_numq_tc = 1; 74928c2a645SAnirudh Venkataramanan 75028c2a645SAnirudh Venkataramanan /* TC mapping is a function of the number of Rx queues assigned to the 75128c2a645SAnirudh Venkataramanan * VSI for each traffic class and the offset of these queues. 75228c2a645SAnirudh Venkataramanan * The first 10 bits are for queue offset for TC0, next 4 bits for no:of 75328c2a645SAnirudh Venkataramanan * queues allocated to TC0. No:of queues is a power-of-2. 75428c2a645SAnirudh Venkataramanan * 75528c2a645SAnirudh Venkataramanan * If TC is not enabled, the queue offset is set to 0, and allocate one 75628c2a645SAnirudh Venkataramanan * queue, this way, traffic for the given TC will be sent to the default 75728c2a645SAnirudh Venkataramanan * queue. 75828c2a645SAnirudh Venkataramanan * 75928c2a645SAnirudh Venkataramanan * Setup number and offset of Rx queues for all TCs for the VSI 76028c2a645SAnirudh Venkataramanan */ 76128c2a645SAnirudh Venkataramanan 762c5a2a4a3SUsha Ketineni qcount_rx = rx_numq_tc; 763c5a2a4a3SUsha Ketineni 76428c2a645SAnirudh Venkataramanan /* qcount will change if RSS is enabled */ 76528c2a645SAnirudh Venkataramanan if (test_bit(ICE_FLAG_RSS_ENA, vsi->back->flags)) { 7668ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF || vsi->type == ICE_VSI_VF) { 76728c2a645SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) 76828c2a645SAnirudh Venkataramanan max_rss = ICE_MAX_LG_RSS_QS; 76928c2a645SAnirudh Venkataramanan else 7700ca469fbSMitch Williams max_rss = ICE_MAX_RSS_QS_PER_VF; 77188865fc4SKarol Kolacinski qcount_rx = min_t(u16, rx_numq_tc, max_rss); 77287324e74SHenry Tieman if (!vsi->req_rxq) 77388865fc4SKarol Kolacinski qcount_rx = min_t(u16, qcount_rx, 77487324e74SHenry Tieman vsi->rss_size); 7758ede0178SAnirudh Venkataramanan } 77628c2a645SAnirudh Venkataramanan } 77728c2a645SAnirudh Venkataramanan 77828c2a645SAnirudh Venkataramanan /* find the (rounded up) power-of-2 of qcount */ 77988865fc4SKarol Kolacinski pow = (u16)order_base_2(qcount_rx); 78028c2a645SAnirudh Venkataramanan 7812bdc97beSBruce Allan ice_for_each_traffic_class(i) { 78228c2a645SAnirudh Venkataramanan if (!(vsi->tc_cfg.ena_tc & BIT(i))) { 78328c2a645SAnirudh Venkataramanan /* TC is not enabled */ 78428c2a645SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qoffset = 0; 785c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_rx = 1; 786c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_tx = 1; 787c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].netdev_tc = 0; 78828c2a645SAnirudh Venkataramanan ctxt->info.tc_mapping[i] = 0; 78928c2a645SAnirudh Venkataramanan continue; 79028c2a645SAnirudh Venkataramanan } 79128c2a645SAnirudh Venkataramanan 79228c2a645SAnirudh Venkataramanan /* TC is enabled */ 79328c2a645SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qoffset = offset; 794c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_rx = qcount_rx; 795c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_tx = tx_numq_tc; 796c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].netdev_tc = netdev_tc++; 79728c2a645SAnirudh Venkataramanan 79828c2a645SAnirudh Venkataramanan qmap = ((offset << ICE_AQ_VSI_TC_Q_OFFSET_S) & 79928c2a645SAnirudh Venkataramanan ICE_AQ_VSI_TC_Q_OFFSET_M) | 80028c2a645SAnirudh Venkataramanan ((pow << ICE_AQ_VSI_TC_Q_NUM_S) & 80128c2a645SAnirudh Venkataramanan ICE_AQ_VSI_TC_Q_NUM_M); 802c5a2a4a3SUsha Ketineni offset += qcount_rx; 803c5a2a4a3SUsha Ketineni tx_count += tx_numq_tc; 80428c2a645SAnirudh Venkataramanan ctxt->info.tc_mapping[i] = cpu_to_le16(qmap); 80528c2a645SAnirudh Venkataramanan } 80660dcc39eSKiran Patil 80760dcc39eSKiran Patil /* if offset is non-zero, means it is calculated correctly based on 80860dcc39eSKiran Patil * enabled TCs for a given VSI otherwise qcount_rx will always 80960dcc39eSKiran Patil * be correct and non-zero because it is based off - VSI's 81060dcc39eSKiran Patil * allocated Rx queues which is at least 1 (hence qcount_tx will be 81160dcc39eSKiran Patil * at least 1) 81260dcc39eSKiran Patil */ 81360dcc39eSKiran Patil if (offset) 81428c2a645SAnirudh Venkataramanan vsi->num_rxq = offset; 81560dcc39eSKiran Patil else 81660dcc39eSKiran Patil vsi->num_rxq = qcount_rx; 81760dcc39eSKiran Patil 818c5a2a4a3SUsha Ketineni vsi->num_txq = tx_count; 81928c2a645SAnirudh Venkataramanan 8208ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF && vsi->num_txq != vsi->num_rxq) { 8219a946843SAnirudh 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"); 8228ede0178SAnirudh Venkataramanan /* since there is a chance that num_rxq could have been changed 8238ede0178SAnirudh Venkataramanan * in the above for loop, make num_txq equal to num_rxq. 8248ede0178SAnirudh Venkataramanan */ 8258ede0178SAnirudh Venkataramanan vsi->num_txq = vsi->num_rxq; 8268ede0178SAnirudh Venkataramanan } 8278ede0178SAnirudh Venkataramanan 82828c2a645SAnirudh Venkataramanan /* Rx queue mapping */ 82928c2a645SAnirudh Venkataramanan ctxt->info.mapping_flags |= cpu_to_le16(ICE_AQ_VSI_Q_MAP_CONTIG); 83028c2a645SAnirudh Venkataramanan /* q_mapping buffer holds the info for the first queue allocated for 83128c2a645SAnirudh Venkataramanan * this VSI in the PF space and also the number of queues associated 83228c2a645SAnirudh Venkataramanan * with this VSI. 83328c2a645SAnirudh Venkataramanan */ 83428c2a645SAnirudh Venkataramanan ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]); 83528c2a645SAnirudh Venkataramanan ctxt->info.q_mapping[1] = cpu_to_le16(vsi->num_rxq); 83628c2a645SAnirudh Venkataramanan } 83728c2a645SAnirudh Venkataramanan 83828c2a645SAnirudh Venkataramanan /** 839148beb61SHenry Tieman * ice_set_fd_vsi_ctx - Set FD VSI context before adding a VSI 840148beb61SHenry Tieman * @ctxt: the VSI context being set 841148beb61SHenry Tieman * @vsi: the VSI being configured 842148beb61SHenry Tieman */ 843148beb61SHenry Tieman static void ice_set_fd_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi) 844148beb61SHenry Tieman { 845148beb61SHenry Tieman u8 dflt_q_group, dflt_q_prio; 846148beb61SHenry Tieman u16 dflt_q, report_q, val; 847148beb61SHenry Tieman 848148beb61SHenry Tieman if (vsi->type != ICE_VSI_PF && vsi->type != ICE_VSI_CTRL) 849148beb61SHenry Tieman return; 850148beb61SHenry Tieman 851148beb61SHenry Tieman val = ICE_AQ_VSI_PROP_FLOW_DIR_VALID; 852148beb61SHenry Tieman ctxt->info.valid_sections |= cpu_to_le16(val); 853148beb61SHenry Tieman dflt_q = 0; 854148beb61SHenry Tieman dflt_q_group = 0; 855148beb61SHenry Tieman report_q = 0; 856148beb61SHenry Tieman dflt_q_prio = 0; 857148beb61SHenry Tieman 858148beb61SHenry Tieman /* enable flow director filtering/programming */ 859148beb61SHenry Tieman val = ICE_AQ_VSI_FD_ENABLE | ICE_AQ_VSI_FD_PROG_ENABLE; 860148beb61SHenry Tieman ctxt->info.fd_options = cpu_to_le16(val); 861148beb61SHenry Tieman /* max of allocated flow director filters */ 862148beb61SHenry Tieman ctxt->info.max_fd_fltr_dedicated = 863148beb61SHenry Tieman cpu_to_le16(vsi->num_gfltr); 864148beb61SHenry Tieman /* max of shared flow director filters any VSI may program */ 865148beb61SHenry Tieman ctxt->info.max_fd_fltr_shared = 866148beb61SHenry Tieman cpu_to_le16(vsi->num_bfltr); 867148beb61SHenry Tieman /* default queue index within the VSI of the default FD */ 868148beb61SHenry Tieman val = ((dflt_q << ICE_AQ_VSI_FD_DEF_Q_S) & 869148beb61SHenry Tieman ICE_AQ_VSI_FD_DEF_Q_M); 870148beb61SHenry Tieman /* target queue or queue group to the FD filter */ 871148beb61SHenry Tieman val |= ((dflt_q_group << ICE_AQ_VSI_FD_DEF_GRP_S) & 872148beb61SHenry Tieman ICE_AQ_VSI_FD_DEF_GRP_M); 873148beb61SHenry Tieman ctxt->info.fd_def_q = cpu_to_le16(val); 874148beb61SHenry Tieman /* queue index on which FD filter completion is reported */ 875148beb61SHenry Tieman val = ((report_q << ICE_AQ_VSI_FD_REPORT_Q_S) & 876148beb61SHenry Tieman ICE_AQ_VSI_FD_REPORT_Q_M); 877148beb61SHenry Tieman /* priority of the default qindex action */ 878148beb61SHenry Tieman val |= ((dflt_q_prio << ICE_AQ_VSI_FD_DEF_PRIORITY_S) & 879148beb61SHenry Tieman ICE_AQ_VSI_FD_DEF_PRIORITY_M); 880148beb61SHenry Tieman ctxt->info.fd_report_opt = cpu_to_le16(val); 881148beb61SHenry Tieman } 882148beb61SHenry Tieman 883148beb61SHenry Tieman /** 88428c2a645SAnirudh Venkataramanan * ice_set_rss_vsi_ctx - Set RSS VSI context before adding a VSI 88528c2a645SAnirudh Venkataramanan * @ctxt: the VSI context being set 88628c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 88728c2a645SAnirudh Venkataramanan */ 88828c2a645SAnirudh Venkataramanan static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi) 88928c2a645SAnirudh Venkataramanan { 89028c2a645SAnirudh Venkataramanan u8 lut_type, hash_type; 8914015d11eSBrett Creeley struct device *dev; 892819d8998SJesse Brandeburg struct ice_pf *pf; 893819d8998SJesse Brandeburg 894819d8998SJesse Brandeburg pf = vsi->back; 8954015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 89628c2a645SAnirudh Venkataramanan 89728c2a645SAnirudh Venkataramanan switch (vsi->type) { 89828c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 89928c2a645SAnirudh Venkataramanan /* PF VSI will inherit RSS instance of PF */ 90028c2a645SAnirudh Venkataramanan lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_PF; 90128c2a645SAnirudh Venkataramanan hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ; 90228c2a645SAnirudh Venkataramanan break; 9038ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 9048ede0178SAnirudh Venkataramanan /* VF VSI will gets a small RSS table which is a VSI LUT type */ 9058ede0178SAnirudh Venkataramanan lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI; 9068ede0178SAnirudh Venkataramanan hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ; 9078ede0178SAnirudh Venkataramanan break; 908148beb61SHenry Tieman default: 9094015d11eSBrett Creeley dev_dbg(dev, "Unsupported VSI type %s\n", 910964674f1SAnirudh Venkataramanan ice_vsi_type_str(vsi->type)); 9110e674aebSAnirudh Venkataramanan return; 91228c2a645SAnirudh Venkataramanan } 91328c2a645SAnirudh Venkataramanan 91428c2a645SAnirudh Venkataramanan ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) & 91528c2a645SAnirudh Venkataramanan ICE_AQ_VSI_Q_OPT_RSS_LUT_M) | 91628c2a645SAnirudh Venkataramanan ((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) & 91728c2a645SAnirudh Venkataramanan ICE_AQ_VSI_Q_OPT_RSS_HASH_M); 91828c2a645SAnirudh Venkataramanan } 91928c2a645SAnirudh Venkataramanan 92028c2a645SAnirudh Venkataramanan /** 92128c2a645SAnirudh Venkataramanan * ice_vsi_init - Create and initialize a VSI 92228c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 92387324e74SHenry Tieman * @init_vsi: is this call creating a VSI 92428c2a645SAnirudh Venkataramanan * 92528c2a645SAnirudh Venkataramanan * This initializes a VSI context depending on the VSI type to be added and 92628c2a645SAnirudh Venkataramanan * passes it down to the add_vsi aq command to create a new VSI. 92728c2a645SAnirudh Venkataramanan */ 92887324e74SHenry Tieman static int ice_vsi_init(struct ice_vsi *vsi, bool init_vsi) 92928c2a645SAnirudh Venkataramanan { 93028c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 93128c2a645SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 932198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 93387324e74SHenry Tieman struct device *dev; 93428c2a645SAnirudh Venkataramanan int ret = 0; 93528c2a645SAnirudh Venkataramanan 93687324e74SHenry Tieman dev = ice_pf_to_dev(pf); 9379efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 938198a666aSBruce Allan if (!ctxt) 939198a666aSBruce Allan return -ENOMEM; 940198a666aSBruce Allan 94128c2a645SAnirudh Venkataramanan switch (vsi->type) { 942148beb61SHenry Tieman case ICE_VSI_CTRL: 9430e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 94428c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 945198a666aSBruce Allan ctxt->flags = ICE_AQ_VSI_TYPE_PF; 94628c2a645SAnirudh Venkataramanan break; 9478ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 948198a666aSBruce Allan ctxt->flags = ICE_AQ_VSI_TYPE_VF; 9498ede0178SAnirudh Venkataramanan /* VF number here is the absolute VF number (0-255) */ 950198a666aSBruce Allan ctxt->vf_num = vsi->vf_id + hw->func_caps.vf_base_id; 9518ede0178SAnirudh Venkataramanan break; 95228c2a645SAnirudh Venkataramanan default: 9539efe35d0STony Nguyen ret = -ENODEV; 9549efe35d0STony Nguyen goto out; 95528c2a645SAnirudh Venkataramanan } 95628c2a645SAnirudh Venkataramanan 957198a666aSBruce Allan ice_set_dflt_vsi_ctx(ctxt); 958148beb61SHenry Tieman if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) 959148beb61SHenry Tieman ice_set_fd_vsi_ctx(ctxt, vsi); 96028c2a645SAnirudh Venkataramanan /* if the switch is in VEB mode, allow VSI loopback */ 96128c2a645SAnirudh Venkataramanan if (vsi->vsw->bridge_mode == BRIDGE_MODE_VEB) 962198a666aSBruce Allan ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB; 96328c2a645SAnirudh Venkataramanan 96428c2a645SAnirudh Venkataramanan /* Set LUT type and HASH type if RSS is enabled */ 965148beb61SHenry Tieman if (test_bit(ICE_FLAG_RSS_ENA, pf->flags) && 966148beb61SHenry Tieman vsi->type != ICE_VSI_CTRL) { 967198a666aSBruce Allan ice_set_rss_vsi_ctx(ctxt, vsi); 96887324e74SHenry Tieman /* if updating VSI context, make sure to set valid_section: 96987324e74SHenry Tieman * to indicate which section of VSI context being updated 97087324e74SHenry Tieman */ 97187324e74SHenry Tieman if (!init_vsi) 97287324e74SHenry Tieman ctxt->info.valid_sections |= 97387324e74SHenry Tieman cpu_to_le16(ICE_AQ_VSI_PROP_Q_OPT_VALID); 97487324e74SHenry Tieman } 97528c2a645SAnirudh Venkataramanan 976198a666aSBruce Allan ctxt->info.sw_id = vsi->port_info->sw_id; 977198a666aSBruce Allan ice_vsi_setup_q_map(vsi, ctxt); 97887324e74SHenry Tieman if (!init_vsi) /* means VSI being updated */ 97987324e74SHenry Tieman /* must to indicate which section of VSI context are 98087324e74SHenry Tieman * being modified 98187324e74SHenry Tieman */ 98287324e74SHenry Tieman ctxt->info.valid_sections |= 98387324e74SHenry Tieman cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID); 98428c2a645SAnirudh Venkataramanan 985cd6d6b83SBrett Creeley /* enable/disable MAC and VLAN anti-spoof when spoofchk is on/off 986cd6d6b83SBrett Creeley * respectively 987cd6d6b83SBrett Creeley */ 988cd6d6b83SBrett Creeley if (vsi->type == ICE_VSI_VF) { 989cb93a952SAkeem G Abodunrin ctxt->info.valid_sections |= 990cb93a952SAkeem G Abodunrin cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); 991cd6d6b83SBrett Creeley if (pf->vf[vsi->vf_id].spoofchk) { 992cb93a952SAkeem G Abodunrin ctxt->info.sec_flags |= 993cd6d6b83SBrett Creeley ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF | 994cd6d6b83SBrett Creeley (ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 995cd6d6b83SBrett Creeley ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S); 996cd6d6b83SBrett Creeley } else { 997cd6d6b83SBrett Creeley ctxt->info.sec_flags &= 998cd6d6b83SBrett Creeley ~(ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF | 999cd6d6b83SBrett Creeley (ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 1000cd6d6b83SBrett Creeley ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S)); 1001cd6d6b83SBrett Creeley } 1002cb93a952SAkeem G Abodunrin } 1003cb93a952SAkeem G Abodunrin 10040c3a6101SDave Ertman /* Allow control frames out of main VSI */ 10050c3a6101SDave Ertman if (vsi->type == ICE_VSI_PF) { 10060c3a6101SDave Ertman ctxt->info.sec_flags |= ICE_AQ_VSI_SEC_FLAG_ALLOW_DEST_OVRD; 10070c3a6101SDave Ertman ctxt->info.valid_sections |= 10080c3a6101SDave Ertman cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); 10090c3a6101SDave Ertman } 10100c3a6101SDave Ertman 101187324e74SHenry Tieman if (init_vsi) { 1012198a666aSBruce Allan ret = ice_add_vsi(hw, vsi->idx, ctxt, NULL); 101328c2a645SAnirudh Venkataramanan if (ret) { 101487324e74SHenry Tieman dev_err(dev, "Add VSI failed, err %d\n", ret); 10159efe35d0STony Nguyen ret = -EIO; 10169efe35d0STony Nguyen goto out; 101728c2a645SAnirudh Venkataramanan } 101887324e74SHenry Tieman } else { 101987324e74SHenry Tieman ret = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 102087324e74SHenry Tieman if (ret) { 102187324e74SHenry Tieman dev_err(dev, "Update VSI failed, err %d\n", ret); 102287324e74SHenry Tieman ret = -EIO; 102387324e74SHenry Tieman goto out; 102487324e74SHenry Tieman } 102587324e74SHenry Tieman } 102628c2a645SAnirudh Venkataramanan 102728c2a645SAnirudh Venkataramanan /* keep context for update VSI operations */ 1028198a666aSBruce Allan vsi->info = ctxt->info; 102928c2a645SAnirudh Venkataramanan 103028c2a645SAnirudh Venkataramanan /* record VSI number returned */ 1031198a666aSBruce Allan vsi->vsi_num = ctxt->vsi_num; 103228c2a645SAnirudh Venkataramanan 10339efe35d0STony Nguyen out: 10349efe35d0STony Nguyen kfree(ctxt); 103528c2a645SAnirudh Venkataramanan return ret; 103628c2a645SAnirudh Venkataramanan } 103728c2a645SAnirudh Venkataramanan 103828c2a645SAnirudh Venkataramanan /** 103946c276ceSBrett Creeley * ice_free_res - free a block of resources 104046c276ceSBrett Creeley * @res: pointer to the resource 104146c276ceSBrett Creeley * @index: starting index previously returned by ice_get_res 104246c276ceSBrett Creeley * @id: identifier to track owner 104346c276ceSBrett Creeley * 104446c276ceSBrett Creeley * Returns number of resources freed 104546c276ceSBrett Creeley */ 104646c276ceSBrett Creeley int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id) 104746c276ceSBrett Creeley { 104846c276ceSBrett Creeley int count = 0; 104946c276ceSBrett Creeley int i; 105046c276ceSBrett Creeley 105146c276ceSBrett Creeley if (!res || index >= res->end) 105246c276ceSBrett Creeley return -EINVAL; 105346c276ceSBrett Creeley 105446c276ceSBrett Creeley id |= ICE_RES_VALID_BIT; 105546c276ceSBrett Creeley for (i = index; i < res->end && res->list[i] == id; i++) { 105646c276ceSBrett Creeley res->list[i] = 0; 105746c276ceSBrett Creeley count++; 105846c276ceSBrett Creeley } 105946c276ceSBrett Creeley 106046c276ceSBrett Creeley return count; 106146c276ceSBrett Creeley } 106246c276ceSBrett Creeley 106346c276ceSBrett Creeley /** 106446c276ceSBrett Creeley * ice_search_res - Search the tracker for a block of resources 106546c276ceSBrett Creeley * @res: pointer to the resource 106646c276ceSBrett Creeley * @needed: size of the block needed 106746c276ceSBrett Creeley * @id: identifier to track owner 106846c276ceSBrett Creeley * 106946c276ceSBrett Creeley * Returns the base item index of the block, or -ENOMEM for error 107046c276ceSBrett Creeley */ 107146c276ceSBrett Creeley static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id) 107246c276ceSBrett Creeley { 107388865fc4SKarol Kolacinski u16 start = 0, end = 0; 107446c276ceSBrett Creeley 107546c276ceSBrett Creeley if (needed > res->end) 107646c276ceSBrett Creeley return -ENOMEM; 107746c276ceSBrett Creeley 107846c276ceSBrett Creeley id |= ICE_RES_VALID_BIT; 107946c276ceSBrett Creeley 108046c276ceSBrett Creeley do { 108146c276ceSBrett Creeley /* skip already allocated entries */ 108246c276ceSBrett Creeley if (res->list[end++] & ICE_RES_VALID_BIT) { 108346c276ceSBrett Creeley start = end; 108446c276ceSBrett Creeley if ((start + needed) > res->end) 108546c276ceSBrett Creeley break; 108646c276ceSBrett Creeley } 108746c276ceSBrett Creeley 108846c276ceSBrett Creeley if (end == (start + needed)) { 108946c276ceSBrett Creeley int i = start; 109046c276ceSBrett Creeley 109146c276ceSBrett Creeley /* there was enough, so assign it to the requestor */ 109246c276ceSBrett Creeley while (i != end) 109346c276ceSBrett Creeley res->list[i++] = id; 109446c276ceSBrett Creeley 109546c276ceSBrett Creeley return start; 109646c276ceSBrett Creeley } 109746c276ceSBrett Creeley } while (end < res->end); 109846c276ceSBrett Creeley 109946c276ceSBrett Creeley return -ENOMEM; 110046c276ceSBrett Creeley } 110146c276ceSBrett Creeley 110246c276ceSBrett Creeley /** 110346c276ceSBrett Creeley * ice_get_free_res_count - Get free count from a resource tracker 110446c276ceSBrett Creeley * @res: Resource tracker instance 110546c276ceSBrett Creeley */ 110646c276ceSBrett Creeley static u16 ice_get_free_res_count(struct ice_res_tracker *res) 110746c276ceSBrett Creeley { 110846c276ceSBrett Creeley u16 i, count = 0; 110946c276ceSBrett Creeley 111046c276ceSBrett Creeley for (i = 0; i < res->end; i++) 111146c276ceSBrett Creeley if (!(res->list[i] & ICE_RES_VALID_BIT)) 111246c276ceSBrett Creeley count++; 111346c276ceSBrett Creeley 111446c276ceSBrett Creeley return count; 111546c276ceSBrett Creeley } 111646c276ceSBrett Creeley 111746c276ceSBrett Creeley /** 111846c276ceSBrett Creeley * ice_get_res - get a block of resources 111946c276ceSBrett Creeley * @pf: board private structure 112046c276ceSBrett Creeley * @res: pointer to the resource 112146c276ceSBrett Creeley * @needed: size of the block needed 112246c276ceSBrett Creeley * @id: identifier to track owner 112346c276ceSBrett Creeley * 112446c276ceSBrett Creeley * Returns the base item index of the block, or negative for error 112546c276ceSBrett Creeley */ 112646c276ceSBrett Creeley int 112746c276ceSBrett Creeley ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id) 112846c276ceSBrett Creeley { 112946c276ceSBrett Creeley if (!res || !pf) 113046c276ceSBrett Creeley return -EINVAL; 113146c276ceSBrett Creeley 113246c276ceSBrett Creeley if (!needed || needed > res->num_entries || id >= ICE_RES_VALID_BIT) { 113346c276ceSBrett Creeley dev_err(ice_pf_to_dev(pf), "param err: needed=%d, num_entries = %d id=0x%04x\n", 113446c276ceSBrett Creeley needed, res->num_entries, id); 113546c276ceSBrett Creeley return -EINVAL; 113646c276ceSBrett Creeley } 113746c276ceSBrett Creeley 113846c276ceSBrett Creeley return ice_search_res(res, needed, id); 113946c276ceSBrett Creeley } 114046c276ceSBrett Creeley 114146c276ceSBrett Creeley /** 1142df0f8479SAnirudh Venkataramanan * ice_vsi_setup_vector_base - Set up the base vector for the given VSI 1143df0f8479SAnirudh Venkataramanan * @vsi: ptr to the VSI 1144df0f8479SAnirudh Venkataramanan * 1145df0f8479SAnirudh Venkataramanan * This should only be called after ice_vsi_alloc() which allocates the 1146df0f8479SAnirudh Venkataramanan * corresponding SW VSI structure and initializes num_queue_pairs for the 1147df0f8479SAnirudh Venkataramanan * newly allocated VSI. 1148df0f8479SAnirudh Venkataramanan * 1149df0f8479SAnirudh Venkataramanan * Returns 0 on success or negative on failure 1150df0f8479SAnirudh Venkataramanan */ 115137bb8390SAnirudh Venkataramanan static int ice_vsi_setup_vector_base(struct ice_vsi *vsi) 1152df0f8479SAnirudh Venkataramanan { 1153df0f8479SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 11544015d11eSBrett Creeley struct device *dev; 1155cbe66bfeSBrett Creeley u16 num_q_vectors; 115688865fc4SKarol Kolacinski int base; 1157df0f8479SAnirudh Venkataramanan 11584015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 1159cbe66bfeSBrett Creeley /* SRIOV doesn't grab irq_tracker entries for each VSI */ 1160cbe66bfeSBrett Creeley if (vsi->type == ICE_VSI_VF) 1161cbe66bfeSBrett Creeley return 0; 1162cbe66bfeSBrett Creeley 1163cbe66bfeSBrett Creeley if (vsi->base_vector) { 11644015d11eSBrett Creeley dev_dbg(dev, "VSI %d has non-zero base vector %d\n", 1165cbe66bfeSBrett Creeley vsi->vsi_num, vsi->base_vector); 1166df0f8479SAnirudh Venkataramanan return -EEXIST; 1167df0f8479SAnirudh Venkataramanan } 1168df0f8479SAnirudh Venkataramanan 1169df0f8479SAnirudh Venkataramanan num_q_vectors = vsi->num_q_vectors; 1170eb0208ecSPreethi Banala /* reserve slots from OS requested IRQs */ 117188865fc4SKarol Kolacinski base = ice_get_res(pf, pf->irq_tracker, num_q_vectors, vsi->idx); 117288865fc4SKarol Kolacinski 117388865fc4SKarol Kolacinski if (base < 0) { 117446c276ceSBrett Creeley dev_err(dev, "%d MSI-X interrupts available. %s %d failed to get %d MSI-X vectors\n", 117546c276ceSBrett Creeley ice_get_free_res_count(pf->irq_tracker), 117646c276ceSBrett Creeley ice_vsi_type_str(vsi->type), vsi->idx, num_q_vectors); 1177eb0208ecSPreethi Banala return -ENOENT; 1178eb0208ecSPreethi Banala } 117988865fc4SKarol Kolacinski vsi->base_vector = (u16)base; 1180eb0208ecSPreethi Banala pf->num_avail_sw_msix -= num_q_vectors; 1181eb0208ecSPreethi Banala 1182df0f8479SAnirudh Venkataramanan return 0; 1183df0f8479SAnirudh Venkataramanan } 1184df0f8479SAnirudh Venkataramanan 1185df0f8479SAnirudh Venkataramanan /** 118628c2a645SAnirudh Venkataramanan * ice_vsi_clear_rings - Deallocates the Tx and Rx rings for VSI 118728c2a645SAnirudh Venkataramanan * @vsi: the VSI having rings deallocated 118828c2a645SAnirudh Venkataramanan */ 1189df0f8479SAnirudh Venkataramanan static void ice_vsi_clear_rings(struct ice_vsi *vsi) 119028c2a645SAnirudh Venkataramanan { 119128c2a645SAnirudh Venkataramanan int i; 119228c2a645SAnirudh Venkataramanan 119328c2a645SAnirudh Venkataramanan if (vsi->tx_rings) { 119428c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 119528c2a645SAnirudh Venkataramanan if (vsi->tx_rings[i]) { 119628c2a645SAnirudh Venkataramanan kfree_rcu(vsi->tx_rings[i], rcu); 119728c2a645SAnirudh Venkataramanan vsi->tx_rings[i] = NULL; 119828c2a645SAnirudh Venkataramanan } 119928c2a645SAnirudh Venkataramanan } 120028c2a645SAnirudh Venkataramanan } 120128c2a645SAnirudh Venkataramanan if (vsi->rx_rings) { 120228c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 120328c2a645SAnirudh Venkataramanan if (vsi->rx_rings[i]) { 120428c2a645SAnirudh Venkataramanan kfree_rcu(vsi->rx_rings[i], rcu); 120528c2a645SAnirudh Venkataramanan vsi->rx_rings[i] = NULL; 120628c2a645SAnirudh Venkataramanan } 120728c2a645SAnirudh Venkataramanan } 120828c2a645SAnirudh Venkataramanan } 120928c2a645SAnirudh Venkataramanan } 121028c2a645SAnirudh Venkataramanan 121128c2a645SAnirudh Venkataramanan /** 121228c2a645SAnirudh Venkataramanan * ice_vsi_alloc_rings - Allocates Tx and Rx rings for the VSI 121328c2a645SAnirudh Venkataramanan * @vsi: VSI which is having rings allocated 121428c2a645SAnirudh Venkataramanan */ 121537bb8390SAnirudh Venkataramanan static int ice_vsi_alloc_rings(struct ice_vsi *vsi) 121628c2a645SAnirudh Venkataramanan { 121728c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 12184015d11eSBrett Creeley struct device *dev; 121988865fc4SKarol Kolacinski u16 i; 122028c2a645SAnirudh Venkataramanan 12214015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 1222d337f2afSAnirudh Venkataramanan /* Allocate Tx rings */ 122328c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 122428c2a645SAnirudh Venkataramanan struct ice_ring *ring; 122528c2a645SAnirudh Venkataramanan 122628c2a645SAnirudh Venkataramanan /* allocate with kzalloc(), free with kfree_rcu() */ 122728c2a645SAnirudh Venkataramanan ring = kzalloc(sizeof(*ring), GFP_KERNEL); 122828c2a645SAnirudh Venkataramanan 122928c2a645SAnirudh Venkataramanan if (!ring) 123028c2a645SAnirudh Venkataramanan goto err_out; 123128c2a645SAnirudh Venkataramanan 123228c2a645SAnirudh Venkataramanan ring->q_index = i; 123328c2a645SAnirudh Venkataramanan ring->reg_idx = vsi->txq_map[i]; 123428c2a645SAnirudh Venkataramanan ring->ring_active = false; 123528c2a645SAnirudh Venkataramanan ring->vsi = vsi; 12364015d11eSBrett Creeley ring->dev = dev; 1237ad71b256SBrett Creeley ring->count = vsi->num_tx_desc; 123828c2a645SAnirudh Venkataramanan vsi->tx_rings[i] = ring; 123928c2a645SAnirudh Venkataramanan } 124028c2a645SAnirudh Venkataramanan 1241d337f2afSAnirudh Venkataramanan /* Allocate Rx rings */ 124228c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 124328c2a645SAnirudh Venkataramanan struct ice_ring *ring; 124428c2a645SAnirudh Venkataramanan 124528c2a645SAnirudh Venkataramanan /* allocate with kzalloc(), free with kfree_rcu() */ 124628c2a645SAnirudh Venkataramanan ring = kzalloc(sizeof(*ring), GFP_KERNEL); 124728c2a645SAnirudh Venkataramanan if (!ring) 124828c2a645SAnirudh Venkataramanan goto err_out; 124928c2a645SAnirudh Venkataramanan 125028c2a645SAnirudh Venkataramanan ring->q_index = i; 125128c2a645SAnirudh Venkataramanan ring->reg_idx = vsi->rxq_map[i]; 125228c2a645SAnirudh Venkataramanan ring->ring_active = false; 125328c2a645SAnirudh Venkataramanan ring->vsi = vsi; 125428c2a645SAnirudh Venkataramanan ring->netdev = vsi->netdev; 12554015d11eSBrett Creeley ring->dev = dev; 1256ad71b256SBrett Creeley ring->count = vsi->num_rx_desc; 125728c2a645SAnirudh Venkataramanan vsi->rx_rings[i] = ring; 125828c2a645SAnirudh Venkataramanan } 125928c2a645SAnirudh Venkataramanan 126028c2a645SAnirudh Venkataramanan return 0; 126128c2a645SAnirudh Venkataramanan 126228c2a645SAnirudh Venkataramanan err_out: 126328c2a645SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 126428c2a645SAnirudh Venkataramanan return -ENOMEM; 126528c2a645SAnirudh Venkataramanan } 126628c2a645SAnirudh Venkataramanan 126728c2a645SAnirudh Venkataramanan /** 1268492af0abSMd Fahad Iqbal Polash * ice_vsi_manage_rss_lut - disable/enable RSS 1269492af0abSMd Fahad Iqbal Polash * @vsi: the VSI being changed 1270492af0abSMd Fahad Iqbal Polash * @ena: boolean value indicating if this is an enable or disable request 1271492af0abSMd Fahad Iqbal Polash * 1272492af0abSMd Fahad Iqbal Polash * In the event of disable request for RSS, this function will zero out RSS 1273492af0abSMd Fahad Iqbal Polash * LUT, while in the event of enable request for RSS, it will reconfigure RSS 1274492af0abSMd Fahad Iqbal Polash * LUT. 1275492af0abSMd Fahad Iqbal Polash */ 1276492af0abSMd Fahad Iqbal Polash int ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena) 1277492af0abSMd Fahad Iqbal Polash { 1278492af0abSMd Fahad Iqbal Polash int err = 0; 1279492af0abSMd Fahad Iqbal Polash u8 *lut; 1280492af0abSMd Fahad Iqbal Polash 12819efe35d0STony Nguyen lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 1282492af0abSMd Fahad Iqbal Polash if (!lut) 1283492af0abSMd Fahad Iqbal Polash return -ENOMEM; 1284492af0abSMd Fahad Iqbal Polash 1285492af0abSMd Fahad Iqbal Polash if (ena) { 1286492af0abSMd Fahad Iqbal Polash if (vsi->rss_lut_user) 1287492af0abSMd Fahad Iqbal Polash memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size); 1288492af0abSMd Fahad Iqbal Polash else 1289492af0abSMd Fahad Iqbal Polash ice_fill_rss_lut(lut, vsi->rss_table_size, 1290492af0abSMd Fahad Iqbal Polash vsi->rss_size); 1291492af0abSMd Fahad Iqbal Polash } 1292492af0abSMd Fahad Iqbal Polash 1293492af0abSMd Fahad Iqbal Polash err = ice_set_rss(vsi, NULL, lut, vsi->rss_table_size); 12949efe35d0STony Nguyen kfree(lut); 1295492af0abSMd Fahad Iqbal Polash return err; 1296492af0abSMd Fahad Iqbal Polash } 1297492af0abSMd Fahad Iqbal Polash 1298492af0abSMd Fahad Iqbal Polash /** 129937bb8390SAnirudh Venkataramanan * ice_vsi_cfg_rss_lut_key - Configure RSS params for a VSI 130037bb8390SAnirudh Venkataramanan * @vsi: VSI to be configured 130137bb8390SAnirudh Venkataramanan */ 130237bb8390SAnirudh Venkataramanan static int ice_vsi_cfg_rss_lut_key(struct ice_vsi *vsi) 130337bb8390SAnirudh Venkataramanan { 130437bb8390SAnirudh Venkataramanan struct ice_aqc_get_set_rss_keys *key; 130537bb8390SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 130637bb8390SAnirudh Venkataramanan enum ice_status status; 13074015d11eSBrett Creeley struct device *dev; 130837bb8390SAnirudh Venkataramanan int err = 0; 130937bb8390SAnirudh Venkataramanan u8 *lut; 131037bb8390SAnirudh Venkataramanan 13114015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 131288865fc4SKarol Kolacinski vsi->rss_size = min_t(u16, vsi->rss_size, vsi->num_rxq); 131337bb8390SAnirudh Venkataramanan 13149efe35d0STony Nguyen lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 131537bb8390SAnirudh Venkataramanan if (!lut) 131637bb8390SAnirudh Venkataramanan return -ENOMEM; 131737bb8390SAnirudh Venkataramanan 131837bb8390SAnirudh Venkataramanan if (vsi->rss_lut_user) 131937bb8390SAnirudh Venkataramanan memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size); 132037bb8390SAnirudh Venkataramanan else 132137bb8390SAnirudh Venkataramanan ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 132237bb8390SAnirudh Venkataramanan 13234fb33f31SAnirudh Venkataramanan status = ice_aq_set_rss_lut(&pf->hw, vsi->idx, vsi->rss_lut_type, lut, 13244fb33f31SAnirudh Venkataramanan vsi->rss_table_size); 132537bb8390SAnirudh Venkataramanan 132637bb8390SAnirudh Venkataramanan if (status) { 13270fee3577SLihong Yang dev_err(dev, "set_rss_lut failed, error %s\n", 13280fee3577SLihong Yang ice_stat_str(status)); 132937bb8390SAnirudh Venkataramanan err = -EIO; 133037bb8390SAnirudh Venkataramanan goto ice_vsi_cfg_rss_exit; 133137bb8390SAnirudh Venkataramanan } 133237bb8390SAnirudh Venkataramanan 13339efe35d0STony Nguyen key = kzalloc(sizeof(*key), GFP_KERNEL); 133437bb8390SAnirudh Venkataramanan if (!key) { 133537bb8390SAnirudh Venkataramanan err = -ENOMEM; 133637bb8390SAnirudh Venkataramanan goto ice_vsi_cfg_rss_exit; 133737bb8390SAnirudh Venkataramanan } 133837bb8390SAnirudh Venkataramanan 133937bb8390SAnirudh Venkataramanan if (vsi->rss_hkey_user) 1340b4b418b3SPaul Greenwalt memcpy(key, 1341b4b418b3SPaul Greenwalt (struct ice_aqc_get_set_rss_keys *)vsi->rss_hkey_user, 1342b4b418b3SPaul Greenwalt ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE); 134337bb8390SAnirudh Venkataramanan else 1344b4b418b3SPaul Greenwalt netdev_rss_key_fill((void *)key, 1345b4b418b3SPaul Greenwalt ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE); 134637bb8390SAnirudh Venkataramanan 13474fb33f31SAnirudh Venkataramanan status = ice_aq_set_rss_key(&pf->hw, vsi->idx, key); 134837bb8390SAnirudh Venkataramanan 134937bb8390SAnirudh Venkataramanan if (status) { 13500fee3577SLihong Yang dev_err(dev, "set_rss_key failed, error %s\n", 13510fee3577SLihong Yang ice_stat_str(status)); 135237bb8390SAnirudh Venkataramanan err = -EIO; 135337bb8390SAnirudh Venkataramanan } 135437bb8390SAnirudh Venkataramanan 13559efe35d0STony Nguyen kfree(key); 135637bb8390SAnirudh Venkataramanan ice_vsi_cfg_rss_exit: 13579efe35d0STony Nguyen kfree(lut); 135837bb8390SAnirudh Venkataramanan return err; 135937bb8390SAnirudh Venkataramanan } 136037bb8390SAnirudh Venkataramanan 136137bb8390SAnirudh Venkataramanan /** 13621c01c8c6SMd Fahad Iqbal Polash * ice_vsi_set_vf_rss_flow_fld - Sets VF VSI RSS input set for different flows 13631c01c8c6SMd Fahad Iqbal Polash * @vsi: VSI to be configured 13641c01c8c6SMd Fahad Iqbal Polash * 13651c01c8c6SMd Fahad Iqbal Polash * This function will only be called during the VF VSI setup. Upon successful 13661c01c8c6SMd Fahad Iqbal Polash * completion of package download, this function will configure default RSS 13671c01c8c6SMd Fahad Iqbal Polash * input sets for VF VSI. 13681c01c8c6SMd Fahad Iqbal Polash */ 13691c01c8c6SMd Fahad Iqbal Polash static void ice_vsi_set_vf_rss_flow_fld(struct ice_vsi *vsi) 13701c01c8c6SMd Fahad Iqbal Polash { 13711c01c8c6SMd Fahad Iqbal Polash struct ice_pf *pf = vsi->back; 13721c01c8c6SMd Fahad Iqbal Polash enum ice_status status; 13731c01c8c6SMd Fahad Iqbal Polash struct device *dev; 13741c01c8c6SMd Fahad Iqbal Polash 13751c01c8c6SMd Fahad Iqbal Polash dev = ice_pf_to_dev(pf); 13761c01c8c6SMd Fahad Iqbal Polash if (ice_is_safe_mode(pf)) { 13771c01c8c6SMd Fahad Iqbal Polash dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 13781c01c8c6SMd Fahad Iqbal Polash vsi->vsi_num); 13791c01c8c6SMd Fahad Iqbal Polash return; 13801c01c8c6SMd Fahad Iqbal Polash } 13811c01c8c6SMd Fahad Iqbal Polash 13821c01c8c6SMd Fahad Iqbal Polash status = ice_add_avf_rss_cfg(&pf->hw, vsi->idx, ICE_DEFAULT_RSS_HENA); 13831c01c8c6SMd Fahad Iqbal Polash if (status) 13840fee3577SLihong Yang dev_dbg(dev, "ice_add_avf_rss_cfg failed for vsi = %d, error = %s\n", 13850fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 13861c01c8c6SMd Fahad Iqbal Polash } 13871c01c8c6SMd Fahad Iqbal Polash 13881c01c8c6SMd Fahad Iqbal Polash /** 1389c90ed40cSTony Nguyen * ice_vsi_set_rss_flow_fld - Sets RSS input set for different flows 1390c90ed40cSTony Nguyen * @vsi: VSI to be configured 1391c90ed40cSTony Nguyen * 1392c90ed40cSTony Nguyen * This function will only be called after successful download package call 1393c90ed40cSTony Nguyen * during initialization of PF. Since the downloaded package will erase the 1394c90ed40cSTony Nguyen * RSS section, this function will configure RSS input sets for different 1395c90ed40cSTony Nguyen * flow types. The last profile added has the highest priority, therefore 2 1396c90ed40cSTony Nguyen * tuple profiles (i.e. IPv4 src/dst) are added before 4 tuple profiles 1397c90ed40cSTony Nguyen * (i.e. IPv4 src/dst TCP src/dst port). 1398c90ed40cSTony Nguyen */ 1399c90ed40cSTony Nguyen static void ice_vsi_set_rss_flow_fld(struct ice_vsi *vsi) 1400c90ed40cSTony Nguyen { 1401c90ed40cSTony Nguyen u16 vsi_handle = vsi->idx, vsi_num = vsi->vsi_num; 1402c90ed40cSTony Nguyen struct ice_pf *pf = vsi->back; 1403c90ed40cSTony Nguyen struct ice_hw *hw = &pf->hw; 1404c90ed40cSTony Nguyen enum ice_status status; 1405c90ed40cSTony Nguyen struct device *dev; 1406c90ed40cSTony Nguyen 1407c90ed40cSTony Nguyen dev = ice_pf_to_dev(pf); 1408c90ed40cSTony Nguyen if (ice_is_safe_mode(pf)) { 1409c90ed40cSTony Nguyen dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 1410c90ed40cSTony Nguyen vsi_num); 1411c90ed40cSTony Nguyen return; 1412c90ed40cSTony Nguyen } 1413c90ed40cSTony Nguyen /* configure RSS for IPv4 with input set IP src/dst */ 1414c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV4, 1415c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_IPV4); 1416c90ed40cSTony Nguyen if (status) 14170fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for ipv4 flow, vsi = %d, error = %s\n", 14180fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1419c90ed40cSTony Nguyen 1420c90ed40cSTony Nguyen /* configure RSS for IPv6 with input set IPv6 src/dst */ 1421c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV6, 1422c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_IPV6); 1423c90ed40cSTony Nguyen if (status) 14240fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for ipv6 flow, vsi = %d, error = %s\n", 14250fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1426c90ed40cSTony Nguyen 1427c90ed40cSTony Nguyen /* configure RSS for tcp4 with input set IP src/dst, TCP src/dst */ 1428c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_TCP_IPV4, 1429c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4); 1430c90ed40cSTony Nguyen if (status) 14310fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for tcp4 flow, vsi = %d, error = %s\n", 14320fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1433c90ed40cSTony Nguyen 1434c90ed40cSTony Nguyen /* configure RSS for udp4 with input set IP src/dst, UDP src/dst */ 1435c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_UDP_IPV4, 1436c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4); 1437c90ed40cSTony Nguyen if (status) 14380fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for udp4 flow, vsi = %d, error = %s\n", 14390fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1440c90ed40cSTony Nguyen 1441c90ed40cSTony Nguyen /* configure RSS for sctp4 with input set IP src/dst */ 1442c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV4, 1443c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4); 1444c90ed40cSTony Nguyen if (status) 14450fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for sctp4 flow, vsi = %d, error = %s\n", 14460fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1447c90ed40cSTony Nguyen 1448c90ed40cSTony Nguyen /* configure RSS for tcp6 with input set IPv6 src/dst, TCP src/dst */ 1449c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_TCP_IPV6, 1450c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6); 1451c90ed40cSTony Nguyen if (status) 14520fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for tcp6 flow, vsi = %d, error = %s\n", 14530fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1454c90ed40cSTony Nguyen 1455c90ed40cSTony Nguyen /* configure RSS for udp6 with input set IPv6 src/dst, UDP src/dst */ 1456c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_UDP_IPV6, 1457c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6); 1458c90ed40cSTony Nguyen if (status) 14590fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for udp6 flow, vsi = %d, error = %s\n", 14600fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1461c90ed40cSTony Nguyen 1462c90ed40cSTony Nguyen /* configure RSS for sctp6 with input set IPv6 src/dst */ 1463c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV6, 1464c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6); 1465c90ed40cSTony Nguyen if (status) 14660fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for sctp6 flow, vsi = %d, error = %s\n", 14670fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1468c90ed40cSTony Nguyen } 1469c90ed40cSTony Nguyen 1470c90ed40cSTony Nguyen /** 147145d3d428SAnirudh Venkataramanan * ice_update_eth_stats - Update VSI-specific ethernet statistics counters 147245d3d428SAnirudh Venkataramanan * @vsi: the VSI to be updated 147345d3d428SAnirudh Venkataramanan */ 147445d3d428SAnirudh Venkataramanan void ice_update_eth_stats(struct ice_vsi *vsi) 147545d3d428SAnirudh Venkataramanan { 147645d3d428SAnirudh Venkataramanan struct ice_eth_stats *prev_es, *cur_es; 147745d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 147845d3d428SAnirudh Venkataramanan u16 vsi_num = vsi->vsi_num; /* HW absolute index of a VSI */ 147945d3d428SAnirudh Venkataramanan 148045d3d428SAnirudh Venkataramanan prev_es = &vsi->eth_stats_prev; 148145d3d428SAnirudh Venkataramanan cur_es = &vsi->eth_stats; 148245d3d428SAnirudh Venkataramanan 148336517fd3SJacob Keller ice_stat_update40(hw, GLV_GORCL(vsi_num), vsi->stat_offsets_loaded, 148436517fd3SJacob Keller &prev_es->rx_bytes, &cur_es->rx_bytes); 148545d3d428SAnirudh Venkataramanan 148636517fd3SJacob Keller ice_stat_update40(hw, GLV_UPRCL(vsi_num), vsi->stat_offsets_loaded, 148736517fd3SJacob Keller &prev_es->rx_unicast, &cur_es->rx_unicast); 148845d3d428SAnirudh Venkataramanan 148936517fd3SJacob Keller ice_stat_update40(hw, GLV_MPRCL(vsi_num), vsi->stat_offsets_loaded, 149036517fd3SJacob Keller &prev_es->rx_multicast, &cur_es->rx_multicast); 149145d3d428SAnirudh Venkataramanan 149236517fd3SJacob Keller ice_stat_update40(hw, GLV_BPRCL(vsi_num), vsi->stat_offsets_loaded, 149336517fd3SJacob Keller &prev_es->rx_broadcast, &cur_es->rx_broadcast); 149445d3d428SAnirudh Venkataramanan 149545d3d428SAnirudh Venkataramanan ice_stat_update32(hw, GLV_RDPC(vsi_num), vsi->stat_offsets_loaded, 149645d3d428SAnirudh Venkataramanan &prev_es->rx_discards, &cur_es->rx_discards); 149745d3d428SAnirudh Venkataramanan 149836517fd3SJacob Keller ice_stat_update40(hw, GLV_GOTCL(vsi_num), vsi->stat_offsets_loaded, 149936517fd3SJacob Keller &prev_es->tx_bytes, &cur_es->tx_bytes); 150045d3d428SAnirudh Venkataramanan 150136517fd3SJacob Keller ice_stat_update40(hw, GLV_UPTCL(vsi_num), vsi->stat_offsets_loaded, 150236517fd3SJacob Keller &prev_es->tx_unicast, &cur_es->tx_unicast); 150345d3d428SAnirudh Venkataramanan 150436517fd3SJacob Keller ice_stat_update40(hw, GLV_MPTCL(vsi_num), vsi->stat_offsets_loaded, 150536517fd3SJacob Keller &prev_es->tx_multicast, &cur_es->tx_multicast); 150645d3d428SAnirudh Venkataramanan 150736517fd3SJacob Keller ice_stat_update40(hw, GLV_BPTCL(vsi_num), vsi->stat_offsets_loaded, 150836517fd3SJacob Keller &prev_es->tx_broadcast, &cur_es->tx_broadcast); 150945d3d428SAnirudh Venkataramanan 151045d3d428SAnirudh Venkataramanan ice_stat_update32(hw, GLV_TEPC(vsi_num), vsi->stat_offsets_loaded, 151145d3d428SAnirudh Venkataramanan &prev_es->tx_errors, &cur_es->tx_errors); 151245d3d428SAnirudh Venkataramanan 151345d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded = true; 151445d3d428SAnirudh Venkataramanan } 151545d3d428SAnirudh Venkataramanan 151645d3d428SAnirudh Venkataramanan /** 151745d3d428SAnirudh Venkataramanan * ice_vsi_add_vlan - Add VSI membership for given VLAN 151845d3d428SAnirudh Venkataramanan * @vsi: the VSI being configured 1519f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be added 15201b8f15b6SMichal Swiatkowski * @action: filter action to be performed on match 152145d3d428SAnirudh Venkataramanan */ 15221b8f15b6SMichal Swiatkowski int 15231b8f15b6SMichal Swiatkowski ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid, enum ice_sw_fwd_act_type action) 152445d3d428SAnirudh Venkataramanan { 152545d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 15264015d11eSBrett Creeley struct device *dev; 152745d3d428SAnirudh Venkataramanan int err = 0; 152845d3d428SAnirudh Venkataramanan 15294015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 153045d3d428SAnirudh Venkataramanan 15311b8f15b6SMichal Swiatkowski if (!ice_fltr_add_vlan(vsi, vid, action)) { 153242f3efefSBrett Creeley vsi->num_vlan++; 153342f3efefSBrett Creeley } else { 153445d3d428SAnirudh Venkataramanan err = -ENODEV; 15354015d11eSBrett Creeley dev_err(dev, "Failure Adding VLAN %d on VSI %i\n", vid, 15364015d11eSBrett Creeley vsi->vsi_num); 153745d3d428SAnirudh Venkataramanan } 153845d3d428SAnirudh Venkataramanan 153945d3d428SAnirudh Venkataramanan return err; 154045d3d428SAnirudh Venkataramanan } 154145d3d428SAnirudh Venkataramanan 154245d3d428SAnirudh Venkataramanan /** 154345d3d428SAnirudh Venkataramanan * ice_vsi_kill_vlan - Remove VSI membership for a given VLAN 154445d3d428SAnirudh Venkataramanan * @vsi: the VSI being configured 1545f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be removed 154645d3d428SAnirudh Venkataramanan * 154745d3d428SAnirudh Venkataramanan * Returns 0 on success and negative on failure 154845d3d428SAnirudh Venkataramanan */ 154945d3d428SAnirudh Venkataramanan int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid) 155045d3d428SAnirudh Venkataramanan { 155145d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 15525079b853SAkeem G Abodunrin enum ice_status status; 15534015d11eSBrett Creeley struct device *dev; 15545079b853SAkeem G Abodunrin int err = 0; 155545d3d428SAnirudh Venkataramanan 15564015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 155745d3d428SAnirudh Venkataramanan 15581b8f15b6SMichal Swiatkowski status = ice_fltr_remove_vlan(vsi, vid, ICE_FWD_TO_VSI); 155942f3efefSBrett Creeley if (!status) { 156042f3efefSBrett Creeley vsi->num_vlan--; 156142f3efefSBrett Creeley } else if (status == ICE_ERR_DOES_NOT_EXIST) { 15620fee3577SLihong Yang dev_dbg(dev, "Failed to remove VLAN %d on VSI %i, it does not exist, status: %s\n", 15630fee3577SLihong Yang vid, vsi->vsi_num, ice_stat_str(status)); 156442f3efefSBrett Creeley } else { 15650fee3577SLihong Yang dev_err(dev, "Error removing VLAN %d on vsi %i error: %s\n", 15660fee3577SLihong Yang vid, vsi->vsi_num, ice_stat_str(status)); 15675079b853SAkeem G Abodunrin err = -EIO; 156845d3d428SAnirudh Venkataramanan } 156945d3d428SAnirudh Venkataramanan 15705079b853SAkeem G Abodunrin return err; 157145d3d428SAnirudh Venkataramanan } 157245d3d428SAnirudh Venkataramanan 157345d3d428SAnirudh Venkataramanan /** 1574efc2214bSMaciej Fijalkowski * ice_vsi_cfg_frame_size - setup max frame size and Rx buffer length 1575efc2214bSMaciej Fijalkowski * @vsi: VSI 1576efc2214bSMaciej Fijalkowski */ 1577efc2214bSMaciej Fijalkowski void ice_vsi_cfg_frame_size(struct ice_vsi *vsi) 1578efc2214bSMaciej Fijalkowski { 15797237f5b0SMaciej Fijalkowski if (!vsi->netdev || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) { 15807237f5b0SMaciej Fijalkowski vsi->max_frame = ICE_AQ_SET_MAC_FRAME_SIZE_MAX; 1581efc2214bSMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_2048; 15827237f5b0SMaciej Fijalkowski #if (PAGE_SIZE < 8192) 158359bb0808SMaciej Fijalkowski } else if (!ICE_2K_TOO_SMALL_WITH_PADDING && 158459bb0808SMaciej Fijalkowski (vsi->netdev->mtu <= ETH_DATA_LEN)) { 15857237f5b0SMaciej Fijalkowski vsi->max_frame = ICE_RXBUF_1536 - NET_IP_ALIGN; 15867237f5b0SMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_1536 - NET_IP_ALIGN; 15877237f5b0SMaciej Fijalkowski #endif 15887237f5b0SMaciej Fijalkowski } else { 15897237f5b0SMaciej Fijalkowski vsi->max_frame = ICE_AQ_SET_MAC_FRAME_SIZE_MAX; 15907237f5b0SMaciej Fijalkowski #if (PAGE_SIZE < 8192) 15917237f5b0SMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_3072; 15927237f5b0SMaciej Fijalkowski #else 15937237f5b0SMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_2048; 15947237f5b0SMaciej Fijalkowski #endif 15957237f5b0SMaciej Fijalkowski } 1596efc2214bSMaciej Fijalkowski } 1597efc2214bSMaciej Fijalkowski 1598efc2214bSMaciej Fijalkowski /** 1599401ce33bSBrett Creeley * ice_write_qrxflxp_cntxt - write/configure QRXFLXP_CNTXT register 1600401ce33bSBrett Creeley * @hw: HW pointer 1601401ce33bSBrett Creeley * @pf_q: index of the Rx queue in the PF's queue space 1602401ce33bSBrett Creeley * @rxdid: flexible descriptor RXDID 1603401ce33bSBrett Creeley * @prio: priority for the RXDID for this queue 1604401ce33bSBrett Creeley */ 1605401ce33bSBrett Creeley void 1606401ce33bSBrett Creeley ice_write_qrxflxp_cntxt(struct ice_hw *hw, u16 pf_q, u32 rxdid, u32 prio) 1607401ce33bSBrett Creeley { 1608401ce33bSBrett Creeley int regval = rd32(hw, QRXFLXP_CNTXT(pf_q)); 1609401ce33bSBrett Creeley 1610401ce33bSBrett Creeley /* clear any previous values */ 1611401ce33bSBrett Creeley regval &= ~(QRXFLXP_CNTXT_RXDID_IDX_M | 1612401ce33bSBrett Creeley QRXFLXP_CNTXT_RXDID_PRIO_M | 1613401ce33bSBrett Creeley QRXFLXP_CNTXT_TS_M); 1614401ce33bSBrett Creeley 1615401ce33bSBrett Creeley regval |= (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) & 1616401ce33bSBrett Creeley QRXFLXP_CNTXT_RXDID_IDX_M; 1617401ce33bSBrett Creeley 1618401ce33bSBrett Creeley regval |= (prio << QRXFLXP_CNTXT_RXDID_PRIO_S) & 1619401ce33bSBrett Creeley QRXFLXP_CNTXT_RXDID_PRIO_M; 1620401ce33bSBrett Creeley 1621401ce33bSBrett Creeley wr32(hw, QRXFLXP_CNTXT(pf_q), regval); 1622401ce33bSBrett Creeley } 1623401ce33bSBrett Creeley 1624401ce33bSBrett Creeley /** 162572adf242SAnirudh Venkataramanan * ice_vsi_cfg_rxqs - Configure the VSI for Rx 162672adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 162772adf242SAnirudh Venkataramanan * 162872adf242SAnirudh Venkataramanan * Return 0 on success and a negative value on error 162972adf242SAnirudh Venkataramanan * Configure the Rx VSI for operation. 163072adf242SAnirudh Venkataramanan */ 163172adf242SAnirudh Venkataramanan int ice_vsi_cfg_rxqs(struct ice_vsi *vsi) 163272adf242SAnirudh Venkataramanan { 163372adf242SAnirudh Venkataramanan u16 i; 163472adf242SAnirudh Venkataramanan 16358ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 16368ede0178SAnirudh Venkataramanan goto setup_rings; 16378ede0178SAnirudh Venkataramanan 1638efc2214bSMaciej Fijalkowski ice_vsi_cfg_frame_size(vsi); 16398ede0178SAnirudh Venkataramanan setup_rings: 164072adf242SAnirudh Venkataramanan /* set up individual rings */ 16411553f4f7SBrett Creeley for (i = 0; i < vsi->num_rxq; i++) { 16421553f4f7SBrett Creeley int err; 164372adf242SAnirudh Venkataramanan 16441553f4f7SBrett Creeley err = ice_setup_rx_ctx(vsi->rx_rings[i]); 164572adf242SAnirudh Venkataramanan if (err) { 164619cce2c6SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "ice_setup_rx_ctx failed for RxQ %d, err %d\n", 16471553f4f7SBrett Creeley i, err); 164872adf242SAnirudh Venkataramanan return err; 164972adf242SAnirudh Venkataramanan } 16501553f4f7SBrett Creeley } 16511553f4f7SBrett Creeley 16521553f4f7SBrett Creeley return 0; 16531553f4f7SBrett Creeley } 165472adf242SAnirudh Venkataramanan 165572adf242SAnirudh Venkataramanan /** 165672adf242SAnirudh Venkataramanan * ice_vsi_cfg_txqs - Configure the VSI for Tx 165772adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 165803f7a986SAnirudh Venkataramanan * @rings: Tx ring array to be configured 165972adf242SAnirudh Venkataramanan * 166072adf242SAnirudh Venkataramanan * Return 0 on success and a negative value on error 166172adf242SAnirudh Venkataramanan * Configure the Tx VSI for operation. 166272adf242SAnirudh Venkataramanan */ 166303f7a986SAnirudh Venkataramanan static int 1664e75d1b2cSMaciej Fijalkowski ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_ring **rings) 166572adf242SAnirudh Venkataramanan { 166672adf242SAnirudh Venkataramanan struct ice_aqc_add_tx_qgrp *qg_buf; 1667e75d1b2cSMaciej Fijalkowski u16 q_idx = 0; 1668d02f734cSMaciej Fijalkowski int err = 0; 166972adf242SAnirudh Venkataramanan 1670e75d1b2cSMaciej Fijalkowski qg_buf = kzalloc(sizeof(*qg_buf), GFP_KERNEL); 167172adf242SAnirudh Venkataramanan if (!qg_buf) 167272adf242SAnirudh Venkataramanan return -ENOMEM; 167372adf242SAnirudh Venkataramanan 167472adf242SAnirudh Venkataramanan qg_buf->num_txqs = 1; 167572adf242SAnirudh Venkataramanan 1676e75d1b2cSMaciej Fijalkowski for (q_idx = 0; q_idx < vsi->num_txq; q_idx++) { 1677e75d1b2cSMaciej Fijalkowski err = ice_vsi_cfg_txq(vsi, rings[q_idx], qg_buf); 1678d02f734cSMaciej Fijalkowski if (err) 167972adf242SAnirudh Venkataramanan goto err_cfg_txqs; 1680e75d1b2cSMaciej Fijalkowski } 1681c5a2a4a3SUsha Ketineni 168272adf242SAnirudh Venkataramanan err_cfg_txqs: 1683e75d1b2cSMaciej Fijalkowski kfree(qg_buf); 168472adf242SAnirudh Venkataramanan return err; 168572adf242SAnirudh Venkataramanan } 168672adf242SAnirudh Venkataramanan 168772adf242SAnirudh Venkataramanan /** 168803f7a986SAnirudh Venkataramanan * ice_vsi_cfg_lan_txqs - Configure the VSI for Tx 168903f7a986SAnirudh Venkataramanan * @vsi: the VSI being configured 169003f7a986SAnirudh Venkataramanan * 169103f7a986SAnirudh Venkataramanan * Return 0 on success and a negative value on error 169203f7a986SAnirudh Venkataramanan * Configure the Tx VSI for operation. 169303f7a986SAnirudh Venkataramanan */ 169403f7a986SAnirudh Venkataramanan int ice_vsi_cfg_lan_txqs(struct ice_vsi *vsi) 169503f7a986SAnirudh Venkataramanan { 1696e75d1b2cSMaciej Fijalkowski return ice_vsi_cfg_txqs(vsi, vsi->tx_rings); 169703f7a986SAnirudh Venkataramanan } 169803f7a986SAnirudh Venkataramanan 169903f7a986SAnirudh Venkataramanan /** 1700efc2214bSMaciej Fijalkowski * ice_vsi_cfg_xdp_txqs - Configure Tx queues dedicated for XDP in given VSI 1701efc2214bSMaciej Fijalkowski * @vsi: the VSI being configured 1702efc2214bSMaciej Fijalkowski * 1703efc2214bSMaciej Fijalkowski * Return 0 on success and a negative value on error 1704efc2214bSMaciej Fijalkowski * Configure the Tx queues dedicated for XDP in given VSI for operation. 1705efc2214bSMaciej Fijalkowski */ 1706efc2214bSMaciej Fijalkowski int ice_vsi_cfg_xdp_txqs(struct ice_vsi *vsi) 1707efc2214bSMaciej Fijalkowski { 17082d4238f5SKrzysztof Kazimierczak int ret; 17092d4238f5SKrzysztof Kazimierczak int i; 17102d4238f5SKrzysztof Kazimierczak 17112d4238f5SKrzysztof Kazimierczak ret = ice_vsi_cfg_txqs(vsi, vsi->xdp_rings); 17122d4238f5SKrzysztof Kazimierczak if (ret) 17132d4238f5SKrzysztof Kazimierczak return ret; 17142d4238f5SKrzysztof Kazimierczak 17152d4238f5SKrzysztof Kazimierczak for (i = 0; i < vsi->num_xdp_txq; i++) 17162d4238f5SKrzysztof Kazimierczak vsi->xdp_rings[i]->xsk_umem = ice_xsk_umem(vsi->xdp_rings[i]); 17172d4238f5SKrzysztof Kazimierczak 17182d4238f5SKrzysztof Kazimierczak return ret; 1719efc2214bSMaciej Fijalkowski } 1720efc2214bSMaciej Fijalkowski 1721efc2214bSMaciej Fijalkowski /** 17229e4ab4c2SBrett Creeley * ice_intrl_usec_to_reg - convert interrupt rate limit to register value 17239e4ab4c2SBrett Creeley * @intrl: interrupt rate limit in usecs 17249e4ab4c2SBrett Creeley * @gran: interrupt rate limit granularity in usecs 17259e4ab4c2SBrett Creeley * 17269e4ab4c2SBrett Creeley * This function converts a decimal interrupt rate limit in usecs to the format 17279e4ab4c2SBrett Creeley * expected by firmware. 17289e4ab4c2SBrett Creeley */ 1729b9c8bb06SBrett Creeley u32 ice_intrl_usec_to_reg(u8 intrl, u8 gran) 17309e4ab4c2SBrett Creeley { 17319e4ab4c2SBrett Creeley u32 val = intrl / gran; 17329e4ab4c2SBrett Creeley 17339e4ab4c2SBrett Creeley if (val) 17349e4ab4c2SBrett Creeley return val | GLINT_RATE_INTRL_ENA_M; 17359e4ab4c2SBrett Creeley return 0; 17369e4ab4c2SBrett Creeley } 17379e4ab4c2SBrett Creeley 17389e4ab4c2SBrett Creeley /** 173972adf242SAnirudh Venkataramanan * ice_vsi_cfg_msix - MSIX mode Interrupt Config in the HW 174072adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 1741047e52c0SAnirudh Venkataramanan * 1742047e52c0SAnirudh Venkataramanan * This configures MSIX mode interrupts for the PF VSI, and should not be used 1743047e52c0SAnirudh Venkataramanan * for the VF VSI. 174472adf242SAnirudh Venkataramanan */ 174572adf242SAnirudh Venkataramanan void ice_vsi_cfg_msix(struct ice_vsi *vsi) 174672adf242SAnirudh Venkataramanan { 174772adf242SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 174872adf242SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 174988865fc4SKarol Kolacinski u16 txq = 0, rxq = 0; 1750d2b464a7SBrett Creeley int i, q; 175172adf242SAnirudh Venkataramanan 1752b07833a0SBrett Creeley for (i = 0; i < vsi->num_q_vectors; i++) { 175372adf242SAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[i]; 1754b07833a0SBrett Creeley u16 reg_idx = q_vector->reg_idx; 175572adf242SAnirudh Venkataramanan 1756b07833a0SBrett Creeley ice_cfg_itr(hw, q_vector); 17579e4ab4c2SBrett Creeley 1758b07833a0SBrett Creeley wr32(hw, GLINT_RATE(reg_idx), 17599e4ab4c2SBrett Creeley ice_intrl_usec_to_reg(q_vector->intrl, hw->intrl_gran)); 176072adf242SAnirudh Venkataramanan 176172adf242SAnirudh Venkataramanan /* Both Transmit Queue Interrupt Cause Control register 176272adf242SAnirudh Venkataramanan * and Receive Queue Interrupt Cause control register 176372adf242SAnirudh Venkataramanan * expects MSIX_INDX field to be the vector index 176472adf242SAnirudh Venkataramanan * within the function space and not the absolute 176572adf242SAnirudh Venkataramanan * vector index across PF or across device. 176672adf242SAnirudh Venkataramanan * For SR-IOV VF VSIs queue vector index always starts 176772adf242SAnirudh Venkataramanan * with 1 since first vector index(0) is used for OICR 176872adf242SAnirudh Venkataramanan * in VF space. Since VMDq and other PF VSIs are within 176972adf242SAnirudh Venkataramanan * the PF function space, use the vector index that is 177072adf242SAnirudh Venkataramanan * tracked for this PF. 177172adf242SAnirudh Venkataramanan */ 177272adf242SAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_tx; q++) { 1773047e52c0SAnirudh Venkataramanan ice_cfg_txq_interrupt(vsi, txq, reg_idx, 1774047e52c0SAnirudh Venkataramanan q_vector->tx.itr_idx); 177572adf242SAnirudh Venkataramanan txq++; 177672adf242SAnirudh Venkataramanan } 177772adf242SAnirudh Venkataramanan 177872adf242SAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_rx; q++) { 1779047e52c0SAnirudh Venkataramanan ice_cfg_rxq_interrupt(vsi, rxq, reg_idx, 1780047e52c0SAnirudh Venkataramanan q_vector->rx.itr_idx); 178172adf242SAnirudh Venkataramanan rxq++; 178272adf242SAnirudh Venkataramanan } 178372adf242SAnirudh Venkataramanan } 178472adf242SAnirudh Venkataramanan } 178572adf242SAnirudh Venkataramanan 178672adf242SAnirudh Venkataramanan /** 178745d3d428SAnirudh Venkataramanan * ice_vsi_manage_vlan_insertion - Manage VLAN insertion for the VSI for Tx 178845d3d428SAnirudh Venkataramanan * @vsi: the VSI being changed 178945d3d428SAnirudh Venkataramanan */ 179045d3d428SAnirudh Venkataramanan int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi) 179145d3d428SAnirudh Venkataramanan { 179245d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 1793198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 179445d3d428SAnirudh Venkataramanan enum ice_status status; 1795198a666aSBruce Allan int ret = 0; 1796198a666aSBruce Allan 17979efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 1798198a666aSBruce Allan if (!ctxt) 1799198a666aSBruce Allan return -ENOMEM; 180045d3d428SAnirudh Venkataramanan 180145d3d428SAnirudh Venkataramanan /* Here we are configuring the VSI to let the driver add VLAN tags by 180245d3d428SAnirudh Venkataramanan * setting vlan_flags to ICE_AQ_VSI_VLAN_MODE_ALL. The actual VLAN tag 180345d3d428SAnirudh Venkataramanan * insertion happens in the Tx hot path, in ice_tx_map. 180445d3d428SAnirudh Venkataramanan */ 1805198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL; 180645d3d428SAnirudh Venkataramanan 1807e80e76dbSTony Nguyen /* Preserve existing VLAN strip setting */ 1808e80e76dbSTony Nguyen ctxt->info.vlan_flags |= (vsi->info.vlan_flags & 1809e80e76dbSTony Nguyen ICE_AQ_VSI_VLAN_EMOD_M); 1810e80e76dbSTony Nguyen 1811198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); 181245d3d428SAnirudh Venkataramanan 1813198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 181445d3d428SAnirudh Venkataramanan if (status) { 18150fee3577SLihong Yang dev_err(ice_pf_to_dev(vsi->back), "update VSI for VLAN insert failed, err %s aq_err %s\n", 18160fee3577SLihong Yang ice_stat_str(status), 18170fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 1818198a666aSBruce Allan ret = -EIO; 1819198a666aSBruce Allan goto out; 182045d3d428SAnirudh Venkataramanan } 182145d3d428SAnirudh Venkataramanan 1822198a666aSBruce Allan vsi->info.vlan_flags = ctxt->info.vlan_flags; 1823198a666aSBruce Allan out: 18249efe35d0STony Nguyen kfree(ctxt); 1825198a666aSBruce Allan return ret; 182645d3d428SAnirudh Venkataramanan } 182745d3d428SAnirudh Venkataramanan 182845d3d428SAnirudh Venkataramanan /** 182945d3d428SAnirudh Venkataramanan * ice_vsi_manage_vlan_stripping - Manage VLAN stripping for the VSI for Rx 183045d3d428SAnirudh Venkataramanan * @vsi: the VSI being changed 183145d3d428SAnirudh Venkataramanan * @ena: boolean value indicating if this is a enable or disable request 183245d3d428SAnirudh Venkataramanan */ 183345d3d428SAnirudh Venkataramanan int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena) 183445d3d428SAnirudh Venkataramanan { 183545d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 1836198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 183745d3d428SAnirudh Venkataramanan enum ice_status status; 1838198a666aSBruce Allan int ret = 0; 1839198a666aSBruce Allan 184019608275SBrett Creeley /* do not allow modifying VLAN stripping when a port VLAN is configured 184119608275SBrett Creeley * on this VSI 184219608275SBrett Creeley */ 184319608275SBrett Creeley if (vsi->info.pvid) 184419608275SBrett Creeley return 0; 184519608275SBrett Creeley 18469efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 1847198a666aSBruce Allan if (!ctxt) 1848198a666aSBruce Allan return -ENOMEM; 184945d3d428SAnirudh Venkataramanan 185045d3d428SAnirudh Venkataramanan /* Here we are configuring what the VSI should do with the VLAN tag in 185145d3d428SAnirudh Venkataramanan * the Rx packet. We can either leave the tag in the packet or put it in 185245d3d428SAnirudh Venkataramanan * the Rx descriptor. 185345d3d428SAnirudh Venkataramanan */ 1854198a666aSBruce Allan if (ena) 185545d3d428SAnirudh Venkataramanan /* Strip VLAN tag from Rx packet and put it in the desc */ 1856198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_STR_BOTH; 1857198a666aSBruce Allan else 185845d3d428SAnirudh Venkataramanan /* Disable stripping. Leave tag in packet */ 1859198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING; 186045d3d428SAnirudh Venkataramanan 186145d3d428SAnirudh Venkataramanan /* Allow all packets untagged/tagged */ 1862198a666aSBruce Allan ctxt->info.vlan_flags |= ICE_AQ_VSI_VLAN_MODE_ALL; 186345d3d428SAnirudh Venkataramanan 1864198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); 186545d3d428SAnirudh Venkataramanan 1866198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 186745d3d428SAnirudh Venkataramanan if (status) { 18680fee3577SLihong Yang dev_err(ice_pf_to_dev(vsi->back), "update VSI for VLAN strip failed, ena = %d err %s aq_err %s\n", 18690fee3577SLihong Yang ena, ice_stat_str(status), 18700fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 1871198a666aSBruce Allan ret = -EIO; 1872198a666aSBruce Allan goto out; 187345d3d428SAnirudh Venkataramanan } 187445d3d428SAnirudh Venkataramanan 1875198a666aSBruce Allan vsi->info.vlan_flags = ctxt->info.vlan_flags; 1876198a666aSBruce Allan out: 18779efe35d0STony Nguyen kfree(ctxt); 1878198a666aSBruce Allan return ret; 187945d3d428SAnirudh Venkataramanan } 188072adf242SAnirudh Venkataramanan 188172adf242SAnirudh Venkataramanan /** 188213a6233bSBrett Creeley * ice_vsi_start_all_rx_rings - start/enable all of a VSI's Rx rings 188313a6233bSBrett Creeley * @vsi: the VSI whose rings are to be enabled 188472adf242SAnirudh Venkataramanan * 188572adf242SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 188672adf242SAnirudh Venkataramanan */ 188713a6233bSBrett Creeley int ice_vsi_start_all_rx_rings(struct ice_vsi *vsi) 188872adf242SAnirudh Venkataramanan { 188913a6233bSBrett Creeley return ice_vsi_ctrl_all_rx_rings(vsi, true); 189072adf242SAnirudh Venkataramanan } 189172adf242SAnirudh Venkataramanan 189272adf242SAnirudh Venkataramanan /** 189313a6233bSBrett Creeley * ice_vsi_stop_all_rx_rings - stop/disable all of a VSI's Rx rings 189413a6233bSBrett Creeley * @vsi: the VSI whose rings are to be disabled 189572adf242SAnirudh Venkataramanan * 189672adf242SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 189772adf242SAnirudh Venkataramanan */ 189813a6233bSBrett Creeley int ice_vsi_stop_all_rx_rings(struct ice_vsi *vsi) 189972adf242SAnirudh Venkataramanan { 190013a6233bSBrett Creeley return ice_vsi_ctrl_all_rx_rings(vsi, false); 190172adf242SAnirudh Venkataramanan } 190272adf242SAnirudh Venkataramanan 190372adf242SAnirudh Venkataramanan /** 1904d02f734cSMaciej Fijalkowski * ice_vsi_stop_tx_rings - Disable Tx rings 1905d02f734cSMaciej Fijalkowski * @vsi: the VSI being configured 1906d02f734cSMaciej Fijalkowski * @rst_src: reset source 1907d02f734cSMaciej Fijalkowski * @rel_vmvf_num: Relative ID of VF/VM 1908d02f734cSMaciej Fijalkowski * @rings: Tx ring array to be stopped 1909d02f734cSMaciej Fijalkowski */ 1910d02f734cSMaciej Fijalkowski static int 1911d02f734cSMaciej Fijalkowski ice_vsi_stop_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, 1912d02f734cSMaciej Fijalkowski u16 rel_vmvf_num, struct ice_ring **rings) 1913d02f734cSMaciej Fijalkowski { 1914e75d1b2cSMaciej Fijalkowski u16 q_idx; 1915d02f734cSMaciej Fijalkowski 1916d02f734cSMaciej Fijalkowski if (vsi->num_txq > ICE_LAN_TXQ_MAX_QDIS) 1917d02f734cSMaciej Fijalkowski return -EINVAL; 1918d02f734cSMaciej Fijalkowski 1919e75d1b2cSMaciej Fijalkowski for (q_idx = 0; q_idx < vsi->num_txq; q_idx++) { 1920d02f734cSMaciej Fijalkowski struct ice_txq_meta txq_meta = { }; 1921e75d1b2cSMaciej Fijalkowski int status; 1922d02f734cSMaciej Fijalkowski 1923d02f734cSMaciej Fijalkowski if (!rings || !rings[q_idx]) 1924d02f734cSMaciej Fijalkowski return -EINVAL; 1925d02f734cSMaciej Fijalkowski 1926d02f734cSMaciej Fijalkowski ice_fill_txq_meta(vsi, rings[q_idx], &txq_meta); 1927e75d1b2cSMaciej Fijalkowski status = ice_vsi_stop_tx_ring(vsi, rst_src, rel_vmvf_num, 1928d02f734cSMaciej Fijalkowski rings[q_idx], &txq_meta); 1929d02f734cSMaciej Fijalkowski 1930d02f734cSMaciej Fijalkowski if (status) 1931d02f734cSMaciej Fijalkowski return status; 1932bb87ee0eSAnirudh Venkataramanan } 193372adf242SAnirudh Venkataramanan 1934d02f734cSMaciej Fijalkowski return 0; 193572adf242SAnirudh Venkataramanan } 19365153a18eSAnirudh Venkataramanan 19375153a18eSAnirudh Venkataramanan /** 193803f7a986SAnirudh Venkataramanan * ice_vsi_stop_lan_tx_rings - Disable LAN Tx rings 193903f7a986SAnirudh Venkataramanan * @vsi: the VSI being configured 194003f7a986SAnirudh Venkataramanan * @rst_src: reset source 1941f9867df6SAnirudh Venkataramanan * @rel_vmvf_num: Relative ID of VF/VM 194203f7a986SAnirudh Venkataramanan */ 1943c8b7abddSBruce Allan int 1944c8b7abddSBruce Allan ice_vsi_stop_lan_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, 1945c8b7abddSBruce Allan u16 rel_vmvf_num) 194603f7a986SAnirudh Venkataramanan { 1947d02f734cSMaciej Fijalkowski return ice_vsi_stop_tx_rings(vsi, rst_src, rel_vmvf_num, vsi->tx_rings); 194803f7a986SAnirudh Venkataramanan } 194903f7a986SAnirudh Venkataramanan 195003f7a986SAnirudh Venkataramanan /** 1951efc2214bSMaciej Fijalkowski * ice_vsi_stop_xdp_tx_rings - Disable XDP Tx rings 1952efc2214bSMaciej Fijalkowski * @vsi: the VSI being configured 1953efc2214bSMaciej Fijalkowski */ 1954efc2214bSMaciej Fijalkowski int ice_vsi_stop_xdp_tx_rings(struct ice_vsi *vsi) 1955efc2214bSMaciej Fijalkowski { 1956efc2214bSMaciej Fijalkowski return ice_vsi_stop_tx_rings(vsi, ICE_NO_RESET, 0, vsi->xdp_rings); 1957efc2214bSMaciej Fijalkowski } 1958efc2214bSMaciej Fijalkowski 1959efc2214bSMaciej Fijalkowski /** 196042f3efefSBrett Creeley * ice_vsi_is_vlan_pruning_ena - check if VLAN pruning is enabled or not 196142f3efefSBrett Creeley * @vsi: VSI to check whether or not VLAN pruning is enabled. 196242f3efefSBrett Creeley * 1963345be791SBrett Creeley * returns true if Rx VLAN pruning is enabled and false otherwise. 196442f3efefSBrett Creeley */ 196542f3efefSBrett Creeley bool ice_vsi_is_vlan_pruning_ena(struct ice_vsi *vsi) 196642f3efefSBrett Creeley { 196742f3efefSBrett Creeley if (!vsi) 196842f3efefSBrett Creeley return false; 196942f3efefSBrett Creeley 1970345be791SBrett Creeley return (vsi->info.sw_flags2 & ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA); 197142f3efefSBrett Creeley } 197242f3efefSBrett Creeley 197342f3efefSBrett Creeley /** 19745153a18eSAnirudh Venkataramanan * ice_cfg_vlan_pruning - enable or disable VLAN pruning on the VSI 19755153a18eSAnirudh Venkataramanan * @vsi: VSI to enable or disable VLAN pruning on 19765153a18eSAnirudh Venkataramanan * @ena: set to true to enable VLAN pruning and false to disable it 19775eda8afdSAkeem G Abodunrin * @vlan_promisc: enable valid security flags if not in VLAN promiscuous mode 19785153a18eSAnirudh Venkataramanan * 19795153a18eSAnirudh Venkataramanan * returns 0 if VSI is updated, negative otherwise 19805153a18eSAnirudh Venkataramanan */ 19815eda8afdSAkeem G Abodunrin int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena, bool vlan_promisc) 19825153a18eSAnirudh Venkataramanan { 19835153a18eSAnirudh Venkataramanan struct ice_vsi_ctx *ctxt; 1984819d8998SJesse Brandeburg struct ice_pf *pf; 19855153a18eSAnirudh Venkataramanan int status; 19865153a18eSAnirudh Venkataramanan 19875153a18eSAnirudh Venkataramanan if (!vsi) 19885153a18eSAnirudh Venkataramanan return -EINVAL; 19895153a18eSAnirudh Venkataramanan 1990819d8998SJesse Brandeburg pf = vsi->back; 19919efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 19925153a18eSAnirudh Venkataramanan if (!ctxt) 19935153a18eSAnirudh Venkataramanan return -ENOMEM; 19945153a18eSAnirudh Venkataramanan 19955153a18eSAnirudh Venkataramanan ctxt->info = vsi->info; 19965153a18eSAnirudh Venkataramanan 1997cd6d6b83SBrett Creeley if (ena) 19985153a18eSAnirudh Venkataramanan ctxt->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 1999cd6d6b83SBrett Creeley else 20005153a18eSAnirudh Venkataramanan ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 20015153a18eSAnirudh Venkataramanan 20025eda8afdSAkeem G Abodunrin if (!vlan_promisc) 20035eda8afdSAkeem G Abodunrin ctxt->info.valid_sections = 2004cd6d6b83SBrett Creeley cpu_to_le16(ICE_AQ_VSI_PROP_SW_VALID); 20055726ca0eSAnirudh Venkataramanan 2006819d8998SJesse Brandeburg status = ice_update_vsi(&pf->hw, vsi->idx, ctxt, NULL); 20075153a18eSAnirudh Venkataramanan if (status) { 20080fee3577SLihong Yang netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI handle: %d, VSI HW ID: %d failed, err = %s, aq_err = %s\n", 20090fee3577SLihong Yang ena ? "En" : "Dis", vsi->idx, vsi->vsi_num, 20100fee3577SLihong Yang ice_stat_str(status), 20110fee3577SLihong Yang ice_aq_str(pf->hw.adminq.sq_last_status)); 20125153a18eSAnirudh Venkataramanan goto err_out; 20135153a18eSAnirudh Venkataramanan } 20145153a18eSAnirudh Venkataramanan 20155153a18eSAnirudh Venkataramanan vsi->info.sw_flags2 = ctxt->info.sw_flags2; 20165153a18eSAnirudh Venkataramanan 20179efe35d0STony Nguyen kfree(ctxt); 20185153a18eSAnirudh Venkataramanan return 0; 20195153a18eSAnirudh Venkataramanan 20205153a18eSAnirudh Venkataramanan err_out: 20219efe35d0STony Nguyen kfree(ctxt); 20225153a18eSAnirudh Venkataramanan return -EIO; 20235153a18eSAnirudh Venkataramanan } 20245153a18eSAnirudh Venkataramanan 20257b9ffc76SAnirudh Venkataramanan static void ice_vsi_set_tc_cfg(struct ice_vsi *vsi) 20267b9ffc76SAnirudh Venkataramanan { 20277b9ffc76SAnirudh Venkataramanan struct ice_dcbx_cfg *cfg = &vsi->port_info->local_dcbx_cfg; 20287b9ffc76SAnirudh Venkataramanan 20297b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.ena_tc = ice_dcb_get_ena_tc(cfg); 20307b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.numtc = ice_dcb_get_num_tc(cfg); 20317b9ffc76SAnirudh Venkataramanan } 20327b9ffc76SAnirudh Venkataramanan 20335153a18eSAnirudh Venkataramanan /** 2034b07833a0SBrett Creeley * ice_vsi_set_q_vectors_reg_idx - set the HW register index for all q_vectors 2035b07833a0SBrett Creeley * @vsi: VSI to set the q_vectors register index on 2036b07833a0SBrett Creeley */ 2037b07833a0SBrett Creeley static int 2038b07833a0SBrett Creeley ice_vsi_set_q_vectors_reg_idx(struct ice_vsi *vsi) 2039b07833a0SBrett Creeley { 2040b07833a0SBrett Creeley u16 i; 2041b07833a0SBrett Creeley 2042b07833a0SBrett Creeley if (!vsi || !vsi->q_vectors) 2043b07833a0SBrett Creeley return -EINVAL; 2044b07833a0SBrett Creeley 2045b07833a0SBrett Creeley ice_for_each_q_vector(vsi, i) { 2046b07833a0SBrett Creeley struct ice_q_vector *q_vector = vsi->q_vectors[i]; 2047b07833a0SBrett Creeley 2048b07833a0SBrett Creeley if (!q_vector) { 204919cce2c6SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "Failed to set reg_idx on q_vector %d VSI %d\n", 2050b07833a0SBrett Creeley i, vsi->vsi_num); 2051b07833a0SBrett Creeley goto clear_reg_idx; 2052b07833a0SBrett Creeley } 2053b07833a0SBrett Creeley 2054cbe66bfeSBrett Creeley if (vsi->type == ICE_VSI_VF) { 2055cbe66bfeSBrett Creeley struct ice_vf *vf = &vsi->back->vf[vsi->vf_id]; 2056cbe66bfeSBrett Creeley 2057cbe66bfeSBrett Creeley q_vector->reg_idx = ice_calc_vf_reg_idx(vf, q_vector); 2058cbe66bfeSBrett Creeley } else { 2059cbe66bfeSBrett Creeley q_vector->reg_idx = 2060cbe66bfeSBrett Creeley q_vector->v_idx + vsi->base_vector; 2061cbe66bfeSBrett Creeley } 2062b07833a0SBrett Creeley } 2063b07833a0SBrett Creeley 2064b07833a0SBrett Creeley return 0; 2065b07833a0SBrett Creeley 2066b07833a0SBrett Creeley clear_reg_idx: 2067b07833a0SBrett Creeley ice_for_each_q_vector(vsi, i) { 2068b07833a0SBrett Creeley struct ice_q_vector *q_vector = vsi->q_vectors[i]; 2069b07833a0SBrett Creeley 2070b07833a0SBrett Creeley if (q_vector) 2071b07833a0SBrett Creeley q_vector->reg_idx = 0; 2072b07833a0SBrett Creeley } 2073b07833a0SBrett Creeley 2074b07833a0SBrett Creeley return -EINVAL; 2075b07833a0SBrett Creeley } 2076b07833a0SBrett Creeley 2077b07833a0SBrett Creeley /** 20782e0e6228SDave Ertman * ice_cfg_sw_lldp - Config switch rules for LLDP packet handling 20792e0e6228SDave Ertman * @vsi: the VSI being configured 20802e0e6228SDave Ertman * @tx: bool to determine Tx or Rx rule 20812e0e6228SDave Ertman * @create: bool to determine create or remove Rule 20822e0e6228SDave Ertman */ 20832e0e6228SDave Ertman void ice_cfg_sw_lldp(struct ice_vsi *vsi, bool tx, bool create) 20842e0e6228SDave Ertman { 20851b8f15b6SMichal Swiatkowski enum ice_status (*eth_fltr)(struct ice_vsi *v, u16 type, u16 flag, 20861b8f15b6SMichal Swiatkowski enum ice_sw_fwd_act_type act); 20872e0e6228SDave Ertman struct ice_pf *pf = vsi->back; 20882e0e6228SDave Ertman enum ice_status status; 20894015d11eSBrett Creeley struct device *dev; 20902e0e6228SDave Ertman 20914015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 20921b8f15b6SMichal Swiatkowski eth_fltr = create ? ice_fltr_add_eth : ice_fltr_remove_eth; 20932e0e6228SDave Ertman 20941b8f15b6SMichal Swiatkowski if (tx) 20951b8f15b6SMichal Swiatkowski status = eth_fltr(vsi, ETH_P_LLDP, ICE_FLTR_TX, 20961b8f15b6SMichal Swiatkowski ICE_DROP_PACKET); 20972e0e6228SDave Ertman else 20981b8f15b6SMichal Swiatkowski status = eth_fltr(vsi, ETH_P_LLDP, ICE_FLTR_RX, ICE_FWD_TO_VSI); 20992e0e6228SDave Ertman 21002e0e6228SDave Ertman if (status) 21010fee3577SLihong Yang dev_err(dev, "Fail %s %s LLDP rule on VSI %i error: %s\n", 21022e0e6228SDave Ertman create ? "adding" : "removing", tx ? "TX" : "RX", 21030fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 21042e0e6228SDave Ertman } 21052e0e6228SDave Ertman 2106d95276ceSAkeem G Abodunrin /** 210737bb8390SAnirudh Venkataramanan * ice_vsi_setup - Set up a VSI by a given type 210837bb8390SAnirudh Venkataramanan * @pf: board private structure 210937bb8390SAnirudh Venkataramanan * @pi: pointer to the port_info instance 21106dae8aa0SBruce Allan * @vsi_type: VSI type 2111f9867df6SAnirudh Venkataramanan * @vf_id: defines VF ID to which this VSI connects. This field is meant to be 211237bb8390SAnirudh Venkataramanan * used only for ICE_VSI_VF VSI type. For other VSI types, should 211337bb8390SAnirudh Venkataramanan * fill-in ICE_INVAL_VFID as input. 211437bb8390SAnirudh Venkataramanan * 211537bb8390SAnirudh Venkataramanan * This allocates the sw VSI structure and its queue resources. 211637bb8390SAnirudh Venkataramanan * 211737bb8390SAnirudh Venkataramanan * Returns pointer to the successfully allocated and configured VSI sw struct on 211837bb8390SAnirudh Venkataramanan * success, NULL on failure. 211937bb8390SAnirudh Venkataramanan */ 212037bb8390SAnirudh Venkataramanan struct ice_vsi * 212137bb8390SAnirudh Venkataramanan ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, 21226dae8aa0SBruce Allan enum ice_vsi_type vsi_type, u16 vf_id) 212337bb8390SAnirudh Venkataramanan { 212437bb8390SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 21254015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 2126d31530e8SAkeem G Abodunrin enum ice_status status; 212737bb8390SAnirudh Venkataramanan struct ice_vsi *vsi; 212837bb8390SAnirudh Venkataramanan int ret, i; 212937bb8390SAnirudh Venkataramanan 21306dae8aa0SBruce Allan if (vsi_type == ICE_VSI_VF) 21316dae8aa0SBruce Allan vsi = ice_vsi_alloc(pf, vsi_type, vf_id); 21325743020dSAkeem G Abodunrin else 21336dae8aa0SBruce Allan vsi = ice_vsi_alloc(pf, vsi_type, ICE_INVAL_VFID); 21345743020dSAkeem G Abodunrin 213537bb8390SAnirudh Venkataramanan if (!vsi) { 213637bb8390SAnirudh Venkataramanan dev_err(dev, "could not allocate VSI\n"); 213737bb8390SAnirudh Venkataramanan return NULL; 213837bb8390SAnirudh Venkataramanan } 213937bb8390SAnirudh Venkataramanan 214037bb8390SAnirudh Venkataramanan vsi->port_info = pi; 214137bb8390SAnirudh Venkataramanan vsi->vsw = pf->first_sw; 2142d95276ceSAkeem G Abodunrin if (vsi->type == ICE_VSI_PF) 2143d95276ceSAkeem G Abodunrin vsi->ethtype = ETH_P_PAUSE; 2144d95276ceSAkeem G Abodunrin 21458ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 21468ede0178SAnirudh Venkataramanan vsi->vf_id = vf_id; 214737bb8390SAnirudh Venkataramanan 2148148beb61SHenry Tieman ice_alloc_fd_res(vsi); 2149148beb61SHenry Tieman 215037bb8390SAnirudh Venkataramanan if (ice_vsi_get_qs(vsi)) { 215137bb8390SAnirudh Venkataramanan dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n", 215237bb8390SAnirudh Venkataramanan vsi->idx); 2153148beb61SHenry Tieman goto unroll_vsi_alloc; 215437bb8390SAnirudh Venkataramanan } 215537bb8390SAnirudh Venkataramanan 215637bb8390SAnirudh Venkataramanan /* set RSS capabilities */ 215737bb8390SAnirudh Venkataramanan ice_vsi_set_rss_params(vsi); 215837bb8390SAnirudh Venkataramanan 2159f9867df6SAnirudh Venkataramanan /* set TC configuration */ 2160c5a2a4a3SUsha Ketineni ice_vsi_set_tc_cfg(vsi); 2161c5a2a4a3SUsha Ketineni 216237bb8390SAnirudh Venkataramanan /* create the VSI */ 216387324e74SHenry Tieman ret = ice_vsi_init(vsi, true); 216437bb8390SAnirudh Venkataramanan if (ret) 216537bb8390SAnirudh Venkataramanan goto unroll_get_qs; 216637bb8390SAnirudh Venkataramanan 216737bb8390SAnirudh Venkataramanan switch (vsi->type) { 2168148beb61SHenry Tieman case ICE_VSI_CTRL: 216937bb8390SAnirudh Venkataramanan case ICE_VSI_PF: 217037bb8390SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 217137bb8390SAnirudh Venkataramanan if (ret) 217237bb8390SAnirudh Venkataramanan goto unroll_vsi_init; 217337bb8390SAnirudh Venkataramanan 217437bb8390SAnirudh Venkataramanan ret = ice_vsi_setup_vector_base(vsi); 217537bb8390SAnirudh Venkataramanan if (ret) 217637bb8390SAnirudh Venkataramanan goto unroll_alloc_q_vector; 217737bb8390SAnirudh Venkataramanan 2178b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2179b07833a0SBrett Creeley if (ret) 2180b07833a0SBrett Creeley goto unroll_vector_base; 2181b07833a0SBrett Creeley 218237bb8390SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 218337bb8390SAnirudh Venkataramanan if (ret) 218437bb8390SAnirudh Venkataramanan goto unroll_vector_base; 218537bb8390SAnirudh Venkataramanan 218642f3efefSBrett Creeley /* Always add VLAN ID 0 switch rule by default. This is needed 218742f3efefSBrett Creeley * in order to allow all untagged and 0 tagged priority traffic 218842f3efefSBrett Creeley * if Rx VLAN pruning is enabled. Also there are cases where we 218942f3efefSBrett Creeley * don't get the call to add VLAN 0 via ice_vlan_rx_add_vid() 219042f3efefSBrett Creeley * so this handles those cases (i.e. adding the PF to a bridge 219142f3efefSBrett Creeley * without the 8021q module loaded). 219242f3efefSBrett Creeley */ 21931b8f15b6SMichal Swiatkowski ret = ice_vsi_add_vlan(vsi, 0, ICE_FWD_TO_VSI); 219442f3efefSBrett Creeley if (ret) 219542f3efefSBrett Creeley goto unroll_clear_rings; 219642f3efefSBrett Creeley 219737bb8390SAnirudh Venkataramanan ice_vsi_map_rings_to_vectors(vsi); 219837bb8390SAnirudh Venkataramanan 2199148beb61SHenry Tieman /* ICE_VSI_CTRL does not need RSS so skip RSS processing */ 2200148beb61SHenry Tieman if (vsi->type != ICE_VSI_CTRL) 2201148beb61SHenry Tieman /* Do not exit if configuring RSS had an issue, at 2202148beb61SHenry Tieman * least receive traffic on first queue. Hence no 2203148beb61SHenry Tieman * need to capture return value 220437bb8390SAnirudh Venkataramanan */ 2205c90ed40cSTony Nguyen if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 220637bb8390SAnirudh Venkataramanan ice_vsi_cfg_rss_lut_key(vsi); 2207c90ed40cSTony Nguyen ice_vsi_set_rss_flow_fld(vsi); 2208c90ed40cSTony Nguyen } 220928bf2672SBrett Creeley ice_init_arfs(vsi); 221037bb8390SAnirudh Venkataramanan break; 22118ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 22128ede0178SAnirudh Venkataramanan /* VF driver will take care of creating netdev for this type and 22138ede0178SAnirudh Venkataramanan * map queues to vectors through Virtchnl, PF driver only 22148ede0178SAnirudh Venkataramanan * creates a VSI and corresponding structures for bookkeeping 22158ede0178SAnirudh Venkataramanan * purpose 22168ede0178SAnirudh Venkataramanan */ 22178ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 22188ede0178SAnirudh Venkataramanan if (ret) 22198ede0178SAnirudh Venkataramanan goto unroll_vsi_init; 22208ede0178SAnirudh Venkataramanan 22218ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 22228ede0178SAnirudh Venkataramanan if (ret) 22238ede0178SAnirudh Venkataramanan goto unroll_alloc_q_vector; 22248ede0178SAnirudh Venkataramanan 2225b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2226b07833a0SBrett Creeley if (ret) 2227b07833a0SBrett Creeley goto unroll_vector_base; 2228b07833a0SBrett Creeley 22293a9e32bbSMd Fahad Iqbal Polash /* Do not exit if configuring RSS had an issue, at least 22303a9e32bbSMd Fahad Iqbal Polash * receive traffic on first queue. Hence no need to capture 22313a9e32bbSMd Fahad Iqbal Polash * return value 22323a9e32bbSMd Fahad Iqbal Polash */ 22331c01c8c6SMd Fahad Iqbal Polash if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 22343a9e32bbSMd Fahad Iqbal Polash ice_vsi_cfg_rss_lut_key(vsi); 22351c01c8c6SMd Fahad Iqbal Polash ice_vsi_set_vf_rss_flow_fld(vsi); 22361c01c8c6SMd Fahad Iqbal Polash } 22378ede0178SAnirudh Venkataramanan break; 22380e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 22390e674aebSAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 22400e674aebSAnirudh Venkataramanan if (ret) 22410e674aebSAnirudh Venkataramanan goto unroll_vsi_init; 22420e674aebSAnirudh Venkataramanan break; 224337bb8390SAnirudh Venkataramanan default: 2244df17b7e0SAnirudh Venkataramanan /* clean up the resources and exit */ 224537bb8390SAnirudh Venkataramanan goto unroll_vsi_init; 224637bb8390SAnirudh Venkataramanan } 224737bb8390SAnirudh Venkataramanan 224837bb8390SAnirudh Venkataramanan /* configure VSI nodes based on number of queues and TC's */ 224937bb8390SAnirudh Venkataramanan for (i = 0; i < vsi->tc_cfg.numtc; i++) 2250d5a46359SAkeem G Abodunrin max_txqs[i] = vsi->alloc_txq; 225137bb8390SAnirudh Venkataramanan 2252d31530e8SAkeem G Abodunrin status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 22534fb33f31SAnirudh Venkataramanan max_txqs); 2254d31530e8SAkeem G Abodunrin if (status) { 22550fee3577SLihong Yang dev_err(dev, "VSI %d failed lan queue config, error %s\n", 22560fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 225737bb8390SAnirudh Venkataramanan goto unroll_vector_base; 225837bb8390SAnirudh Venkataramanan } 225937bb8390SAnirudh Venkataramanan 2260d95276ceSAkeem G Abodunrin /* Add switch rule to drop all Tx Flow Control Frames, of look up 2261d95276ceSAkeem G Abodunrin * type ETHERTYPE from VSIs, and restrict malicious VF from sending 2262d95276ceSAkeem G Abodunrin * out PAUSE or PFC frames. If enabled, FW can still send FC frames. 2263d95276ceSAkeem G Abodunrin * The rule is added once for PF VSI in order to create appropriate 2264d95276ceSAkeem G Abodunrin * recipe, since VSI/VSI list is ignored with drop action... 2265241c8cf0SPaul Greenwalt * Also add rules to handle LLDP Tx packets. Tx LLDP packets need to 2266241c8cf0SPaul Greenwalt * be dropped so that VFs cannot send LLDP packets to reconfig DCB 2267241c8cf0SPaul Greenwalt * settings in the HW. 2268d95276ceSAkeem G Abodunrin */ 2269241c8cf0SPaul Greenwalt if (!ice_is_safe_mode(pf)) 22702e0e6228SDave Ertman if (vsi->type == ICE_VSI_PF) { 22711b8f15b6SMichal Swiatkowski ice_fltr_add_eth(vsi, ETH_P_PAUSE, ICE_FLTR_TX, 22721b8f15b6SMichal Swiatkowski ICE_DROP_PACKET); 22732e0e6228SDave Ertman ice_cfg_sw_lldp(vsi, true, true); 2274462acf6aSTony Nguyen } 22752e0e6228SDave Ertman 227637bb8390SAnirudh Venkataramanan return vsi; 227737bb8390SAnirudh Venkataramanan 227842f3efefSBrett Creeley unroll_clear_rings: 227942f3efefSBrett Creeley ice_vsi_clear_rings(vsi); 228037bb8390SAnirudh Venkataramanan unroll_vector_base: 2281eb0208ecSPreethi Banala /* reclaim SW interrupts back to the common pool */ 2282cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 2283eb0208ecSPreethi Banala pf->num_avail_sw_msix += vsi->num_q_vectors; 228437bb8390SAnirudh Venkataramanan unroll_alloc_q_vector: 228537bb8390SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 228637bb8390SAnirudh Venkataramanan unroll_vsi_init: 228737bb8390SAnirudh Venkataramanan ice_vsi_delete(vsi); 228837bb8390SAnirudh Venkataramanan unroll_get_qs: 228937bb8390SAnirudh Venkataramanan ice_vsi_put_qs(vsi); 2290148beb61SHenry Tieman unroll_vsi_alloc: 229137bb8390SAnirudh Venkataramanan ice_vsi_clear(vsi); 229237bb8390SAnirudh Venkataramanan 229337bb8390SAnirudh Venkataramanan return NULL; 229437bb8390SAnirudh Venkataramanan } 229537bb8390SAnirudh Venkataramanan 229637bb8390SAnirudh Venkataramanan /** 22975153a18eSAnirudh Venkataramanan * ice_vsi_release_msix - Clear the queue to Interrupt mapping in HW 22985153a18eSAnirudh Venkataramanan * @vsi: the VSI being cleaned up 22995153a18eSAnirudh Venkataramanan */ 23005153a18eSAnirudh Venkataramanan static void ice_vsi_release_msix(struct ice_vsi *vsi) 23015153a18eSAnirudh Venkataramanan { 23025153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 23035153a18eSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 23045153a18eSAnirudh Venkataramanan u32 txq = 0; 23055153a18eSAnirudh Venkataramanan u32 rxq = 0; 23065153a18eSAnirudh Venkataramanan int i, q; 23075153a18eSAnirudh Venkataramanan 2308cbe66bfeSBrett Creeley for (i = 0; i < vsi->num_q_vectors; i++) { 23095153a18eSAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[i]; 2310cbe66bfeSBrett Creeley u16 reg_idx = q_vector->reg_idx; 23115153a18eSAnirudh Venkataramanan 2312cbe66bfeSBrett Creeley wr32(hw, GLINT_ITR(ICE_IDX_ITR0, reg_idx), 0); 2313cbe66bfeSBrett Creeley wr32(hw, GLINT_ITR(ICE_IDX_ITR1, reg_idx), 0); 23145153a18eSAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_tx; q++) { 23155153a18eSAnirudh Venkataramanan wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0); 2316efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) { 2317efc2214bSMaciej Fijalkowski u32 xdp_txq = txq + vsi->num_xdp_txq; 2318efc2214bSMaciej Fijalkowski 2319efc2214bSMaciej Fijalkowski wr32(hw, QINT_TQCTL(vsi->txq_map[xdp_txq]), 0); 2320efc2214bSMaciej Fijalkowski } 23215153a18eSAnirudh Venkataramanan txq++; 23225153a18eSAnirudh Venkataramanan } 23235153a18eSAnirudh Venkataramanan 23245153a18eSAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_rx; q++) { 23255153a18eSAnirudh Venkataramanan wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), 0); 23265153a18eSAnirudh Venkataramanan rxq++; 23275153a18eSAnirudh Venkataramanan } 23285153a18eSAnirudh Venkataramanan } 23295153a18eSAnirudh Venkataramanan 23305153a18eSAnirudh Venkataramanan ice_flush(hw); 23315153a18eSAnirudh Venkataramanan } 23325153a18eSAnirudh Venkataramanan 23335153a18eSAnirudh Venkataramanan /** 23345153a18eSAnirudh Venkataramanan * ice_vsi_free_irq - Free the IRQ association with the OS 23355153a18eSAnirudh Venkataramanan * @vsi: the VSI being configured 23365153a18eSAnirudh Venkataramanan */ 23375153a18eSAnirudh Venkataramanan void ice_vsi_free_irq(struct ice_vsi *vsi) 23385153a18eSAnirudh Venkataramanan { 23395153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 2340cbe66bfeSBrett Creeley int base = vsi->base_vector; 23415153a18eSAnirudh Venkataramanan int i; 23425153a18eSAnirudh Venkataramanan 23435153a18eSAnirudh Venkataramanan if (!vsi->q_vectors || !vsi->irqs_ready) 23445153a18eSAnirudh Venkataramanan return; 23455153a18eSAnirudh Venkataramanan 2346eb0208ecSPreethi Banala ice_vsi_release_msix(vsi); 23478ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 23488ede0178SAnirudh Venkataramanan return; 2349eb0208ecSPreethi Banala 23505153a18eSAnirudh Venkataramanan vsi->irqs_ready = false; 23510c2561c8SBrett Creeley ice_for_each_q_vector(vsi, i) { 23525153a18eSAnirudh Venkataramanan u16 vector = i + base; 23535153a18eSAnirudh Venkataramanan int irq_num; 23545153a18eSAnirudh Venkataramanan 23555153a18eSAnirudh Venkataramanan irq_num = pf->msix_entries[vector].vector; 23565153a18eSAnirudh Venkataramanan 23575153a18eSAnirudh Venkataramanan /* free only the irqs that were actually requested */ 23585153a18eSAnirudh Venkataramanan if (!vsi->q_vectors[i] || 23595153a18eSAnirudh Venkataramanan !(vsi->q_vectors[i]->num_ring_tx || 23605153a18eSAnirudh Venkataramanan vsi->q_vectors[i]->num_ring_rx)) 23615153a18eSAnirudh Venkataramanan continue; 23625153a18eSAnirudh Venkataramanan 23635153a18eSAnirudh Venkataramanan /* clear the affinity notifier in the IRQ descriptor */ 23645153a18eSAnirudh Venkataramanan irq_set_affinity_notifier(irq_num, NULL); 23655153a18eSAnirudh Venkataramanan 23665153a18eSAnirudh Venkataramanan /* clear the affinity_mask in the IRQ descriptor */ 23675153a18eSAnirudh Venkataramanan irq_set_affinity_hint(irq_num, NULL); 23685153a18eSAnirudh Venkataramanan synchronize_irq(irq_num); 23694015d11eSBrett Creeley devm_free_irq(ice_pf_to_dev(pf), irq_num, vsi->q_vectors[i]); 23705153a18eSAnirudh Venkataramanan } 23715153a18eSAnirudh Venkataramanan } 23725153a18eSAnirudh Venkataramanan 23735153a18eSAnirudh Venkataramanan /** 23745153a18eSAnirudh Venkataramanan * ice_vsi_free_tx_rings - Free Tx resources for VSI queues 23755153a18eSAnirudh Venkataramanan * @vsi: the VSI having resources freed 23765153a18eSAnirudh Venkataramanan */ 23775153a18eSAnirudh Venkataramanan void ice_vsi_free_tx_rings(struct ice_vsi *vsi) 23785153a18eSAnirudh Venkataramanan { 23795153a18eSAnirudh Venkataramanan int i; 23805153a18eSAnirudh Venkataramanan 23815153a18eSAnirudh Venkataramanan if (!vsi->tx_rings) 23825153a18eSAnirudh Venkataramanan return; 23835153a18eSAnirudh Venkataramanan 23845153a18eSAnirudh Venkataramanan ice_for_each_txq(vsi, i) 23855153a18eSAnirudh Venkataramanan if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc) 23865153a18eSAnirudh Venkataramanan ice_free_tx_ring(vsi->tx_rings[i]); 23875153a18eSAnirudh Venkataramanan } 23885153a18eSAnirudh Venkataramanan 23895153a18eSAnirudh Venkataramanan /** 23905153a18eSAnirudh Venkataramanan * ice_vsi_free_rx_rings - Free Rx resources for VSI queues 23915153a18eSAnirudh Venkataramanan * @vsi: the VSI having resources freed 23925153a18eSAnirudh Venkataramanan */ 23935153a18eSAnirudh Venkataramanan void ice_vsi_free_rx_rings(struct ice_vsi *vsi) 23945153a18eSAnirudh Venkataramanan { 23955153a18eSAnirudh Venkataramanan int i; 23965153a18eSAnirudh Venkataramanan 23975153a18eSAnirudh Venkataramanan if (!vsi->rx_rings) 23985153a18eSAnirudh Venkataramanan return; 23995153a18eSAnirudh Venkataramanan 24005153a18eSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) 24015153a18eSAnirudh Venkataramanan if (vsi->rx_rings[i] && vsi->rx_rings[i]->desc) 24025153a18eSAnirudh Venkataramanan ice_free_rx_ring(vsi->rx_rings[i]); 24035153a18eSAnirudh Venkataramanan } 24045153a18eSAnirudh Venkataramanan 24055153a18eSAnirudh Venkataramanan /** 240607309a0eSAnirudh Venkataramanan * ice_vsi_close - Shut down a VSI 240707309a0eSAnirudh Venkataramanan * @vsi: the VSI being shut down 240807309a0eSAnirudh Venkataramanan */ 240907309a0eSAnirudh Venkataramanan void ice_vsi_close(struct ice_vsi *vsi) 241007309a0eSAnirudh Venkataramanan { 241107309a0eSAnirudh Venkataramanan if (!test_and_set_bit(__ICE_DOWN, vsi->state)) 241207309a0eSAnirudh Venkataramanan ice_down(vsi); 241307309a0eSAnirudh Venkataramanan 241407309a0eSAnirudh Venkataramanan ice_vsi_free_irq(vsi); 241507309a0eSAnirudh Venkataramanan ice_vsi_free_tx_rings(vsi); 241607309a0eSAnirudh Venkataramanan ice_vsi_free_rx_rings(vsi); 241707309a0eSAnirudh Venkataramanan } 241807309a0eSAnirudh Venkataramanan 241907309a0eSAnirudh Venkataramanan /** 24209d614b64SAnirudh Venkataramanan * ice_ena_vsi - resume a VSI 24219d614b64SAnirudh Venkataramanan * @vsi: the VSI being resume 24229d614b64SAnirudh Venkataramanan * @locked: is the rtnl_lock already held 24239d614b64SAnirudh Venkataramanan */ 24249d614b64SAnirudh Venkataramanan int ice_ena_vsi(struct ice_vsi *vsi, bool locked) 24259d614b64SAnirudh Venkataramanan { 24269d614b64SAnirudh Venkataramanan int err = 0; 24279d614b64SAnirudh Venkataramanan 24289d614b64SAnirudh Venkataramanan if (!test_bit(__ICE_NEEDS_RESTART, vsi->state)) 24299d614b64SAnirudh Venkataramanan return 0; 24309d614b64SAnirudh Venkataramanan 24319d614b64SAnirudh Venkataramanan clear_bit(__ICE_NEEDS_RESTART, vsi->state); 24329d614b64SAnirudh Venkataramanan 24339d614b64SAnirudh Venkataramanan if (vsi->netdev && vsi->type == ICE_VSI_PF) { 24349d614b64SAnirudh Venkataramanan if (netif_running(vsi->netdev)) { 24359d614b64SAnirudh Venkataramanan if (!locked) 24369d614b64SAnirudh Venkataramanan rtnl_lock(); 24379d614b64SAnirudh Venkataramanan 24389d614b64SAnirudh Venkataramanan err = ice_open(vsi->netdev); 24399d614b64SAnirudh Venkataramanan 24409d614b64SAnirudh Venkataramanan if (!locked) 24419d614b64SAnirudh Venkataramanan rtnl_unlock(); 24429d614b64SAnirudh Venkataramanan } 2443148beb61SHenry Tieman } else if (vsi->type == ICE_VSI_CTRL) { 2444148beb61SHenry Tieman err = ice_vsi_open_ctrl(vsi); 24459d614b64SAnirudh Venkataramanan } 24469d614b64SAnirudh Venkataramanan 24479d614b64SAnirudh Venkataramanan return err; 24489d614b64SAnirudh Venkataramanan } 24499d614b64SAnirudh Venkataramanan 24509d614b64SAnirudh Venkataramanan /** 24519d614b64SAnirudh Venkataramanan * ice_dis_vsi - pause a VSI 24529d614b64SAnirudh Venkataramanan * @vsi: the VSI being paused 24539d614b64SAnirudh Venkataramanan * @locked: is the rtnl_lock already held 24549d614b64SAnirudh Venkataramanan */ 24559d614b64SAnirudh Venkataramanan void ice_dis_vsi(struct ice_vsi *vsi, bool locked) 24569d614b64SAnirudh Venkataramanan { 24579d614b64SAnirudh Venkataramanan if (test_bit(__ICE_DOWN, vsi->state)) 24589d614b64SAnirudh Venkataramanan return; 24599d614b64SAnirudh Venkataramanan 24609d614b64SAnirudh Venkataramanan set_bit(__ICE_NEEDS_RESTART, vsi->state); 24619d614b64SAnirudh Venkataramanan 24629d614b64SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF && vsi->netdev) { 24639d614b64SAnirudh Venkataramanan if (netif_running(vsi->netdev)) { 24649d614b64SAnirudh Venkataramanan if (!locked) 24659d614b64SAnirudh Venkataramanan rtnl_lock(); 24669d614b64SAnirudh Venkataramanan 24679d614b64SAnirudh Venkataramanan ice_stop(vsi->netdev); 24689d614b64SAnirudh Venkataramanan 24699d614b64SAnirudh Venkataramanan if (!locked) 24709d614b64SAnirudh Venkataramanan rtnl_unlock(); 24719d614b64SAnirudh Venkataramanan } else { 24729d614b64SAnirudh Venkataramanan ice_vsi_close(vsi); 24739d614b64SAnirudh Venkataramanan } 2474148beb61SHenry Tieman } else if (vsi->type == ICE_VSI_CTRL) { 2475148beb61SHenry Tieman ice_vsi_close(vsi); 24769d614b64SAnirudh Venkataramanan } 24779d614b64SAnirudh Venkataramanan } 24789d614b64SAnirudh Venkataramanan 24799d614b64SAnirudh Venkataramanan /** 24805153a18eSAnirudh Venkataramanan * ice_vsi_dis_irq - Mask off queue interrupt generation on the VSI 24815153a18eSAnirudh Venkataramanan * @vsi: the VSI being un-configured 24825153a18eSAnirudh Venkataramanan */ 24835153a18eSAnirudh Venkataramanan void ice_vsi_dis_irq(struct ice_vsi *vsi) 24845153a18eSAnirudh Venkataramanan { 2485cbe66bfeSBrett Creeley int base = vsi->base_vector; 24865153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 24875153a18eSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 24885153a18eSAnirudh Venkataramanan u32 val; 24895153a18eSAnirudh Venkataramanan int i; 24905153a18eSAnirudh Venkataramanan 24915153a18eSAnirudh Venkataramanan /* disable interrupt causation from each queue */ 24925153a18eSAnirudh Venkataramanan if (vsi->tx_rings) { 24935153a18eSAnirudh Venkataramanan ice_for_each_txq(vsi, i) { 24945153a18eSAnirudh Venkataramanan if (vsi->tx_rings[i]) { 24955153a18eSAnirudh Venkataramanan u16 reg; 24965153a18eSAnirudh Venkataramanan 24975153a18eSAnirudh Venkataramanan reg = vsi->tx_rings[i]->reg_idx; 24985153a18eSAnirudh Venkataramanan val = rd32(hw, QINT_TQCTL(reg)); 24995153a18eSAnirudh Venkataramanan val &= ~QINT_TQCTL_CAUSE_ENA_M; 25005153a18eSAnirudh Venkataramanan wr32(hw, QINT_TQCTL(reg), val); 25015153a18eSAnirudh Venkataramanan } 25025153a18eSAnirudh Venkataramanan } 25035153a18eSAnirudh Venkataramanan } 25045153a18eSAnirudh Venkataramanan 25055153a18eSAnirudh Venkataramanan if (vsi->rx_rings) { 25065153a18eSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) { 25075153a18eSAnirudh Venkataramanan if (vsi->rx_rings[i]) { 25085153a18eSAnirudh Venkataramanan u16 reg; 25095153a18eSAnirudh Venkataramanan 25105153a18eSAnirudh Venkataramanan reg = vsi->rx_rings[i]->reg_idx; 25115153a18eSAnirudh Venkataramanan val = rd32(hw, QINT_RQCTL(reg)); 25125153a18eSAnirudh Venkataramanan val &= ~QINT_RQCTL_CAUSE_ENA_M; 25135153a18eSAnirudh Venkataramanan wr32(hw, QINT_RQCTL(reg), val); 25145153a18eSAnirudh Venkataramanan } 25155153a18eSAnirudh Venkataramanan } 25165153a18eSAnirudh Venkataramanan } 25175153a18eSAnirudh Venkataramanan 25185153a18eSAnirudh Venkataramanan /* disable each interrupt */ 2519462acf6aSTony Nguyen ice_for_each_q_vector(vsi, i) { 2520462acf6aSTony Nguyen if (!vsi->q_vectors[i]) 2521462acf6aSTony Nguyen continue; 2522b07833a0SBrett Creeley wr32(hw, GLINT_DYN_CTL(vsi->q_vectors[i]->reg_idx), 0); 2523462acf6aSTony Nguyen } 25245153a18eSAnirudh Venkataramanan 25255153a18eSAnirudh Venkataramanan ice_flush(hw); 2526b07833a0SBrett Creeley 2527da4a9e73SBrett Creeley /* don't call synchronize_irq() for VF's from the host */ 2528da4a9e73SBrett Creeley if (vsi->type == ICE_VSI_VF) 2529da4a9e73SBrett Creeley return; 2530da4a9e73SBrett Creeley 25310c2561c8SBrett Creeley ice_for_each_q_vector(vsi, i) 25325153a18eSAnirudh Venkataramanan synchronize_irq(pf->msix_entries[i + base].vector); 25335153a18eSAnirudh Venkataramanan } 25345153a18eSAnirudh Venkataramanan 25355153a18eSAnirudh Venkataramanan /** 2536561f4379STony Nguyen * ice_napi_del - Remove NAPI handler for the VSI 2537561f4379STony Nguyen * @vsi: VSI for which NAPI handler is to be removed 2538561f4379STony Nguyen */ 2539561f4379STony Nguyen void ice_napi_del(struct ice_vsi *vsi) 2540561f4379STony Nguyen { 2541561f4379STony Nguyen int v_idx; 2542561f4379STony Nguyen 2543561f4379STony Nguyen if (!vsi->netdev) 2544561f4379STony Nguyen return; 2545561f4379STony Nguyen 2546561f4379STony Nguyen ice_for_each_q_vector(vsi, v_idx) 2547561f4379STony Nguyen netif_napi_del(&vsi->q_vectors[v_idx]->napi); 2548561f4379STony Nguyen } 2549561f4379STony Nguyen 2550561f4379STony Nguyen /** 2551df0f8479SAnirudh Venkataramanan * ice_vsi_release - Delete a VSI and free its resources 2552df0f8479SAnirudh Venkataramanan * @vsi: the VSI being removed 2553df0f8479SAnirudh Venkataramanan * 2554df0f8479SAnirudh Venkataramanan * Returns 0 on success or < 0 on error 2555df0f8479SAnirudh Venkataramanan */ 2556df0f8479SAnirudh Venkataramanan int ice_vsi_release(struct ice_vsi *vsi) 2557df0f8479SAnirudh Venkataramanan { 2558df0f8479SAnirudh Venkataramanan struct ice_pf *pf; 2559df0f8479SAnirudh Venkataramanan 2560df0f8479SAnirudh Venkataramanan if (!vsi->back) 2561df0f8479SAnirudh Venkataramanan return -ENODEV; 2562df0f8479SAnirudh Venkataramanan pf = vsi->back; 2563b751930cSBrett Creeley 2564aa6ccf3fSBrett Creeley /* do not unregister while driver is in the reset recovery pending 2565aa6ccf3fSBrett Creeley * state. Since reset/rebuild happens through PF service task workqueue, 2566aa6ccf3fSBrett Creeley * it's not a good idea to unregister netdev that is associated to the 2567aa6ccf3fSBrett Creeley * PF that is running the work queue items currently. This is done to 2568aa6ccf3fSBrett Creeley * avoid check_flush_dependency() warning on this wq 2569df0f8479SAnirudh Venkataramanan */ 2570aa6ccf3fSBrett Creeley if (vsi->netdev && !ice_is_reset_in_progress(pf->state)) 2571df0f8479SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 2572df0f8479SAnirudh Venkataramanan 2573df0f8479SAnirudh Venkataramanan if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 2574df0f8479SAnirudh Venkataramanan ice_rss_clean(vsi); 2575df0f8479SAnirudh Venkataramanan 2576df0f8479SAnirudh Venkataramanan /* Disable VSI and free resources */ 25770e674aebSAnirudh Venkataramanan if (vsi->type != ICE_VSI_LB) 2578df0f8479SAnirudh Venkataramanan ice_vsi_dis_irq(vsi); 2579df0f8479SAnirudh Venkataramanan ice_vsi_close(vsi); 2580df0f8479SAnirudh Venkataramanan 2581cbe66bfeSBrett Creeley /* SR-IOV determines needed MSIX resources all at once instead of per 2582cbe66bfeSBrett Creeley * VSI since when VFs are spawned we know how many VFs there are and how 2583cbe66bfeSBrett Creeley * many interrupts each VF needs. SR-IOV MSIX resources are also 2584cbe66bfeSBrett Creeley * cleared in the same manner. 2585cbe66bfeSBrett Creeley */ 25868ede0178SAnirudh Venkataramanan if (vsi->type != ICE_VSI_VF) { 25878ede0178SAnirudh Venkataramanan /* reclaim SW interrupts back to the common pool */ 2588cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 2589eb0208ecSPreethi Banala pf->num_avail_sw_msix += vsi->num_q_vectors; 25908ede0178SAnirudh Venkataramanan } 2591df0f8479SAnirudh Venkataramanan 2592462acf6aSTony Nguyen if (!ice_is_safe_mode(pf)) { 25932e0e6228SDave Ertman if (vsi->type == ICE_VSI_PF) { 25941b8f15b6SMichal Swiatkowski ice_fltr_remove_eth(vsi, ETH_P_PAUSE, ICE_FLTR_TX, 25951b8f15b6SMichal Swiatkowski ICE_DROP_PACKET); 25962e0e6228SDave Ertman ice_cfg_sw_lldp(vsi, true, false); 25972e0e6228SDave Ertman /* The Rx rule will only exist to remove if the LLDP FW 25982e0e6228SDave Ertman * engine is currently stopped 25992e0e6228SDave Ertman */ 260084a118abSDave Ertman if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) 26012e0e6228SDave Ertman ice_cfg_sw_lldp(vsi, false, false); 26022e0e6228SDave Ertman } 2603462acf6aSTony Nguyen } 2604d95276ceSAkeem G Abodunrin 26051b8f15b6SMichal Swiatkowski ice_fltr_remove_all(vsi); 260610e03a22SAnirudh Venkataramanan ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); 2607df0f8479SAnirudh Venkataramanan ice_vsi_delete(vsi); 2608df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 2609aa6ccf3fSBrett Creeley 2610aa6ccf3fSBrett Creeley /* make sure unregister_netdev() was called by checking __ICE_DOWN */ 2611aa6ccf3fSBrett Creeley if (vsi->netdev && test_bit(__ICE_DOWN, vsi->state)) { 2612aa6ccf3fSBrett Creeley free_netdev(vsi->netdev); 2613aa6ccf3fSBrett Creeley vsi->netdev = NULL; 2614aa6ccf3fSBrett Creeley } 2615aa6ccf3fSBrett Creeley 2616df0f8479SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 2617df0f8479SAnirudh Venkataramanan 2618df0f8479SAnirudh Venkataramanan ice_vsi_put_qs(vsi); 2619df0f8479SAnirudh Venkataramanan 2620df0f8479SAnirudh Venkataramanan /* retain SW VSI data structure since it is needed to unregister and 2621df0f8479SAnirudh Venkataramanan * free VSI netdev when PF is not in reset recovery pending state,\ 2622df0f8479SAnirudh Venkataramanan * for ex: during rmmod. 2623df0f8479SAnirudh Venkataramanan */ 26245df7e45dSDave Ertman if (!ice_is_reset_in_progress(pf->state)) 2625df0f8479SAnirudh Venkataramanan ice_vsi_clear(vsi); 2626df0f8479SAnirudh Venkataramanan 2627df0f8479SAnirudh Venkataramanan return 0; 2628df0f8479SAnirudh Venkataramanan } 2629df0f8479SAnirudh Venkataramanan 2630df0f8479SAnirudh Venkataramanan /** 263161dc79ceSMichal Swiatkowski * ice_vsi_rebuild_update_coalesce - set coalesce for a q_vector 263261dc79ceSMichal Swiatkowski * @q_vector: pointer to q_vector which is being updated 263361dc79ceSMichal Swiatkowski * @coalesce: pointer to array of struct with stored coalesce 263461dc79ceSMichal Swiatkowski * 263561dc79ceSMichal Swiatkowski * Set coalesce param in q_vector and update these parameters in HW. 263661dc79ceSMichal Swiatkowski */ 263761dc79ceSMichal Swiatkowski static void 263861dc79ceSMichal Swiatkowski ice_vsi_rebuild_update_coalesce(struct ice_q_vector *q_vector, 263961dc79ceSMichal Swiatkowski struct ice_coalesce_stored *coalesce) 264061dc79ceSMichal Swiatkowski { 264161dc79ceSMichal Swiatkowski struct ice_ring_container *rx_rc = &q_vector->rx; 264261dc79ceSMichal Swiatkowski struct ice_ring_container *tx_rc = &q_vector->tx; 264361dc79ceSMichal Swiatkowski struct ice_hw *hw = &q_vector->vsi->back->hw; 264461dc79ceSMichal Swiatkowski 264561dc79ceSMichal Swiatkowski tx_rc->itr_setting = coalesce->itr_tx; 264661dc79ceSMichal Swiatkowski rx_rc->itr_setting = coalesce->itr_rx; 264761dc79ceSMichal Swiatkowski 264861dc79ceSMichal Swiatkowski /* dynamic ITR values will be updated during Tx/Rx */ 264961dc79ceSMichal Swiatkowski if (!ITR_IS_DYNAMIC(tx_rc->itr_setting)) 265061dc79ceSMichal Swiatkowski wr32(hw, GLINT_ITR(tx_rc->itr_idx, q_vector->reg_idx), 265161dc79ceSMichal Swiatkowski ITR_REG_ALIGN(tx_rc->itr_setting) >> 265261dc79ceSMichal Swiatkowski ICE_ITR_GRAN_S); 265361dc79ceSMichal Swiatkowski if (!ITR_IS_DYNAMIC(rx_rc->itr_setting)) 265461dc79ceSMichal Swiatkowski wr32(hw, GLINT_ITR(rx_rc->itr_idx, q_vector->reg_idx), 265561dc79ceSMichal Swiatkowski ITR_REG_ALIGN(rx_rc->itr_setting) >> 265661dc79ceSMichal Swiatkowski ICE_ITR_GRAN_S); 265761dc79ceSMichal Swiatkowski 265861dc79ceSMichal Swiatkowski q_vector->intrl = coalesce->intrl; 265961dc79ceSMichal Swiatkowski wr32(hw, GLINT_RATE(q_vector->reg_idx), 266061dc79ceSMichal Swiatkowski ice_intrl_usec_to_reg(q_vector->intrl, hw->intrl_gran)); 266161dc79ceSMichal Swiatkowski } 266261dc79ceSMichal Swiatkowski 266361dc79ceSMichal Swiatkowski /** 266461dc79ceSMichal Swiatkowski * ice_vsi_rebuild_get_coalesce - get coalesce from all q_vectors 266561dc79ceSMichal Swiatkowski * @vsi: VSI connected with q_vectors 266661dc79ceSMichal Swiatkowski * @coalesce: array of struct with stored coalesce 266761dc79ceSMichal Swiatkowski * 266861dc79ceSMichal Swiatkowski * Returns array size. 266961dc79ceSMichal Swiatkowski */ 267061dc79ceSMichal Swiatkowski static int 267161dc79ceSMichal Swiatkowski ice_vsi_rebuild_get_coalesce(struct ice_vsi *vsi, 267261dc79ceSMichal Swiatkowski struct ice_coalesce_stored *coalesce) 267361dc79ceSMichal Swiatkowski { 267461dc79ceSMichal Swiatkowski int i; 267561dc79ceSMichal Swiatkowski 267661dc79ceSMichal Swiatkowski ice_for_each_q_vector(vsi, i) { 267761dc79ceSMichal Swiatkowski struct ice_q_vector *q_vector = vsi->q_vectors[i]; 267861dc79ceSMichal Swiatkowski 267961dc79ceSMichal Swiatkowski coalesce[i].itr_tx = q_vector->tx.itr_setting; 268061dc79ceSMichal Swiatkowski coalesce[i].itr_rx = q_vector->rx.itr_setting; 268161dc79ceSMichal Swiatkowski coalesce[i].intrl = q_vector->intrl; 268261dc79ceSMichal Swiatkowski } 268361dc79ceSMichal Swiatkowski 268461dc79ceSMichal Swiatkowski return vsi->num_q_vectors; 268561dc79ceSMichal Swiatkowski } 268661dc79ceSMichal Swiatkowski 268761dc79ceSMichal Swiatkowski /** 268861dc79ceSMichal Swiatkowski * ice_vsi_rebuild_set_coalesce - set coalesce from earlier saved arrays 268961dc79ceSMichal Swiatkowski * @vsi: VSI connected with q_vectors 269061dc79ceSMichal Swiatkowski * @coalesce: pointer to array of struct with stored coalesce 269161dc79ceSMichal Swiatkowski * @size: size of coalesce array 269261dc79ceSMichal Swiatkowski * 269361dc79ceSMichal Swiatkowski * Before this function, ice_vsi_rebuild_get_coalesce should be called to save 269461dc79ceSMichal Swiatkowski * ITR params in arrays. If size is 0 or coalesce wasn't stored set coalesce 269561dc79ceSMichal Swiatkowski * to default value. 269661dc79ceSMichal Swiatkowski */ 269761dc79ceSMichal Swiatkowski static void 269861dc79ceSMichal Swiatkowski ice_vsi_rebuild_set_coalesce(struct ice_vsi *vsi, 269961dc79ceSMichal Swiatkowski struct ice_coalesce_stored *coalesce, int size) 270061dc79ceSMichal Swiatkowski { 270161dc79ceSMichal Swiatkowski int i; 270261dc79ceSMichal Swiatkowski 270361dc79ceSMichal Swiatkowski if ((size && !coalesce) || !vsi) 270461dc79ceSMichal Swiatkowski return; 270561dc79ceSMichal Swiatkowski 270661dc79ceSMichal Swiatkowski for (i = 0; i < size && i < vsi->num_q_vectors; i++) 270761dc79ceSMichal Swiatkowski ice_vsi_rebuild_update_coalesce(vsi->q_vectors[i], 270861dc79ceSMichal Swiatkowski &coalesce[i]); 270961dc79ceSMichal Swiatkowski 271061dc79ceSMichal Swiatkowski for (; i < vsi->num_q_vectors; i++) { 271161dc79ceSMichal Swiatkowski struct ice_coalesce_stored coalesce_dflt = { 271261dc79ceSMichal Swiatkowski .itr_tx = ICE_DFLT_TX_ITR, 271361dc79ceSMichal Swiatkowski .itr_rx = ICE_DFLT_RX_ITR, 271461dc79ceSMichal Swiatkowski .intrl = 0 271561dc79ceSMichal Swiatkowski }; 271661dc79ceSMichal Swiatkowski ice_vsi_rebuild_update_coalesce(vsi->q_vectors[i], 271761dc79ceSMichal Swiatkowski &coalesce_dflt); 271861dc79ceSMichal Swiatkowski } 271961dc79ceSMichal Swiatkowski } 272061dc79ceSMichal Swiatkowski 272161dc79ceSMichal Swiatkowski /** 2722df0f8479SAnirudh Venkataramanan * ice_vsi_rebuild - Rebuild VSI after reset 2723df0f8479SAnirudh Venkataramanan * @vsi: VSI to be rebuild 272487324e74SHenry Tieman * @init_vsi: is this an initialization or a reconfigure of the VSI 2725df0f8479SAnirudh Venkataramanan * 2726df0f8479SAnirudh Venkataramanan * Returns 0 on success and negative value on failure 2727df0f8479SAnirudh Venkataramanan */ 272887324e74SHenry Tieman int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi) 2729df0f8479SAnirudh Venkataramanan { 2730df0f8479SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 273161dc79ceSMichal Swiatkowski struct ice_coalesce_stored *coalesce; 273261dc79ceSMichal Swiatkowski int prev_num_q_vectors = 0; 27337eeac889SAkeem G Abodunrin struct ice_vf *vf = NULL; 2734d31530e8SAkeem G Abodunrin enum ice_status status; 2735c5a2a4a3SUsha Ketineni struct ice_pf *pf; 2736df0f8479SAnirudh Venkataramanan int ret, i; 2737df0f8479SAnirudh Venkataramanan 2738df0f8479SAnirudh Venkataramanan if (!vsi) 2739df0f8479SAnirudh Venkataramanan return -EINVAL; 2740df0f8479SAnirudh Venkataramanan 2741c5a2a4a3SUsha Ketineni pf = vsi->back; 27427eeac889SAkeem G Abodunrin if (vsi->type == ICE_VSI_VF) 27437eeac889SAkeem G Abodunrin vf = &pf->vf[vsi->vf_id]; 27447eeac889SAkeem G Abodunrin 274561dc79ceSMichal Swiatkowski coalesce = kcalloc(vsi->num_q_vectors, 274661dc79ceSMichal Swiatkowski sizeof(struct ice_coalesce_stored), GFP_KERNEL); 274761dc79ceSMichal Swiatkowski if (coalesce) 274861dc79ceSMichal Swiatkowski prev_num_q_vectors = ice_vsi_rebuild_get_coalesce(vsi, 274961dc79ceSMichal Swiatkowski coalesce); 275047e3e53cSHenry Tieman ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); 2751df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 27527eeac889SAkeem G Abodunrin 2753cbe66bfeSBrett Creeley /* SR-IOV determines needed MSIX resources all at once instead of per 2754cbe66bfeSBrett Creeley * VSI since when VFs are spawned we know how many VFs there are and how 2755cbe66bfeSBrett Creeley * many interrupts each VF needs. SR-IOV MSIX resources are also 2756cbe66bfeSBrett Creeley * cleared in the same manner. 2757cbe66bfeSBrett Creeley */ 27587eeac889SAkeem G Abodunrin if (vsi->type != ICE_VSI_VF) { 27597eeac889SAkeem G Abodunrin /* reclaim SW interrupts back to the common pool */ 2760cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 27617eeac889SAkeem G Abodunrin pf->num_avail_sw_msix += vsi->num_q_vectors; 2762cbe66bfeSBrett Creeley vsi->base_vector = 0; 27637eeac889SAkeem G Abodunrin } 27647eeac889SAkeem G Abodunrin 2765efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) 2766efc2214bSMaciej Fijalkowski /* return value check can be skipped here, it always returns 2767efc2214bSMaciej Fijalkowski * 0 if reset is in progress 2768efc2214bSMaciej Fijalkowski */ 2769efc2214bSMaciej Fijalkowski ice_destroy_xdp_rings(vsi); 277078b5713aSAnirudh Venkataramanan ice_vsi_put_qs(vsi); 2771df0f8479SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 2772a85a3847SBrett Creeley ice_vsi_free_arrays(vsi); 27735743020dSAkeem G Abodunrin if (vsi->type == ICE_VSI_VF) 27745743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, vf->vf_id); 27755743020dSAkeem G Abodunrin else 27765743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID); 277778b5713aSAnirudh Venkataramanan 277878b5713aSAnirudh Venkataramanan ret = ice_vsi_alloc_arrays(vsi); 277978b5713aSAnirudh Venkataramanan if (ret < 0) 278078b5713aSAnirudh Venkataramanan goto err_vsi; 278178b5713aSAnirudh Venkataramanan 278278b5713aSAnirudh Venkataramanan ice_vsi_get_qs(vsi); 278383af0039SHenry Tieman 278483af0039SHenry Tieman ice_alloc_fd_res(vsi); 2785c5a2a4a3SUsha Ketineni ice_vsi_set_tc_cfg(vsi); 2786df0f8479SAnirudh Venkataramanan 2787df0f8479SAnirudh Venkataramanan /* Initialize VSI struct elements and create VSI in FW */ 278887324e74SHenry Tieman ret = ice_vsi_init(vsi, init_vsi); 2789df0f8479SAnirudh Venkataramanan if (ret < 0) 2790df0f8479SAnirudh Venkataramanan goto err_vsi; 2791df0f8479SAnirudh Venkataramanan 2792df0f8479SAnirudh Venkataramanan switch (vsi->type) { 279383af0039SHenry Tieman case ICE_VSI_CTRL: 2794df0f8479SAnirudh Venkataramanan case ICE_VSI_PF: 2795df0f8479SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 2796df0f8479SAnirudh Venkataramanan if (ret) 2797df0f8479SAnirudh Venkataramanan goto err_rings; 2798df0f8479SAnirudh Venkataramanan 279917bc6d07STony Nguyen ret = ice_vsi_setup_vector_base(vsi); 280017bc6d07STony Nguyen if (ret) 280117bc6d07STony Nguyen goto err_vectors; 280217bc6d07STony Nguyen 2803b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2804b07833a0SBrett Creeley if (ret) 2805b07833a0SBrett Creeley goto err_vectors; 2806b07833a0SBrett Creeley 2807df0f8479SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 2808df0f8479SAnirudh Venkataramanan if (ret) 2809df0f8479SAnirudh Venkataramanan goto err_vectors; 2810df0f8479SAnirudh Venkataramanan 2811df0f8479SAnirudh Venkataramanan ice_vsi_map_rings_to_vectors(vsi); 2812efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) { 2813ae15e0baSMarta Plantykow vsi->num_xdp_txq = vsi->alloc_rxq; 2814efc2214bSMaciej Fijalkowski ret = ice_prepare_xdp_rings(vsi, vsi->xdp_prog); 2815efc2214bSMaciej Fijalkowski if (ret) 2816efc2214bSMaciej Fijalkowski goto err_vectors; 2817efc2214bSMaciej Fijalkowski } 281883af0039SHenry Tieman /* ICE_VSI_CTRL does not need RSS so skip RSS processing */ 281983af0039SHenry Tieman if (vsi->type != ICE_VSI_CTRL) 282083af0039SHenry Tieman /* Do not exit if configuring RSS had an issue, at 282183af0039SHenry Tieman * least receive traffic on first queue. Hence no 282283af0039SHenry Tieman * need to capture return value 282327a98affSMd Fahad Iqbal Polash */ 2824819d8998SJesse Brandeburg if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 282527a98affSMd Fahad Iqbal Polash ice_vsi_cfg_rss_lut_key(vsi); 2826df0f8479SAnirudh Venkataramanan break; 28278ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 28288ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 28298ede0178SAnirudh Venkataramanan if (ret) 28308ede0178SAnirudh Venkataramanan goto err_rings; 28318ede0178SAnirudh Venkataramanan 2832b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2833b07833a0SBrett Creeley if (ret) 2834b07833a0SBrett Creeley goto err_vectors; 2835b07833a0SBrett Creeley 28368ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 28378ede0178SAnirudh Venkataramanan if (ret) 28388ede0178SAnirudh Venkataramanan goto err_vectors; 28398ede0178SAnirudh Venkataramanan 28408ede0178SAnirudh Venkataramanan break; 2841df0f8479SAnirudh Venkataramanan default: 2842df0f8479SAnirudh Venkataramanan break; 2843df0f8479SAnirudh Venkataramanan } 2844df0f8479SAnirudh Venkataramanan 2845df0f8479SAnirudh Venkataramanan /* configure VSI nodes based on number of queues and TC's */ 2846efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->tc_cfg.numtc; i++) { 2847d5a46359SAkeem G Abodunrin max_txqs[i] = vsi->alloc_txq; 2848df0f8479SAnirudh Venkataramanan 2849efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) 2850efc2214bSMaciej Fijalkowski max_txqs[i] += vsi->num_xdp_txq; 2851efc2214bSMaciej Fijalkowski } 2852efc2214bSMaciej Fijalkowski 2853d31530e8SAkeem G Abodunrin status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 28544fb33f31SAnirudh Venkataramanan max_txqs); 2855d31530e8SAkeem G Abodunrin if (status) { 28560fee3577SLihong Yang dev_err(ice_pf_to_dev(pf), "VSI %d failed lan queue config, error %s\n", 28570fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 285887324e74SHenry Tieman if (init_vsi) { 285987324e74SHenry Tieman ret = -EIO; 2860df0f8479SAnirudh Venkataramanan goto err_vectors; 286187324e74SHenry Tieman } else { 286287324e74SHenry Tieman return ice_schedule_reset(pf, ICE_RESET_PFR); 286387324e74SHenry Tieman } 2864df0f8479SAnirudh Venkataramanan } 286561dc79ceSMichal Swiatkowski ice_vsi_rebuild_set_coalesce(vsi, coalesce, prev_num_q_vectors); 286661dc79ceSMichal Swiatkowski kfree(coalesce); 286761dc79ceSMichal Swiatkowski 2868df0f8479SAnirudh Venkataramanan return 0; 2869df0f8479SAnirudh Venkataramanan 2870df0f8479SAnirudh Venkataramanan err_vectors: 2871df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 2872df0f8479SAnirudh Venkataramanan err_rings: 2873df0f8479SAnirudh Venkataramanan if (vsi->netdev) { 2874df0f8479SAnirudh Venkataramanan vsi->current_netdev_flags = 0; 2875df0f8479SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 2876df0f8479SAnirudh Venkataramanan free_netdev(vsi->netdev); 2877df0f8479SAnirudh Venkataramanan vsi->netdev = NULL; 2878df0f8479SAnirudh Venkataramanan } 2879df0f8479SAnirudh Venkataramanan err_vsi: 2880df0f8479SAnirudh Venkataramanan ice_vsi_clear(vsi); 2881819d8998SJesse Brandeburg set_bit(__ICE_RESET_FAILED, pf->state); 288261dc79ceSMichal Swiatkowski kfree(coalesce); 2883df0f8479SAnirudh Venkataramanan return ret; 2884df0f8479SAnirudh Venkataramanan } 2885df0f8479SAnirudh Venkataramanan 2886df0f8479SAnirudh Venkataramanan /** 28875df7e45dSDave Ertman * ice_is_reset_in_progress - check for a reset in progress 28882f2da36eSAnirudh Venkataramanan * @state: PF state field 28895153a18eSAnirudh Venkataramanan */ 28905df7e45dSDave Ertman bool ice_is_reset_in_progress(unsigned long *state) 28915153a18eSAnirudh Venkataramanan { 28925df7e45dSDave Ertman return test_bit(__ICE_RESET_OICR_RECV, state) || 2893b94b013eSDave Ertman test_bit(__ICE_DCBNL_DEVRESET, state) || 28945df7e45dSDave Ertman test_bit(__ICE_PFR_REQ, state) || 28955df7e45dSDave Ertman test_bit(__ICE_CORER_REQ, state) || 28965df7e45dSDave Ertman test_bit(__ICE_GLOBR_REQ, state); 28975153a18eSAnirudh Venkataramanan } 28987b9ffc76SAnirudh Venkataramanan 28997b9ffc76SAnirudh Venkataramanan #ifdef CONFIG_DCB 29007b9ffc76SAnirudh Venkataramanan /** 29017b9ffc76SAnirudh Venkataramanan * ice_vsi_update_q_map - update our copy of the VSI info with new queue map 29027b9ffc76SAnirudh Venkataramanan * @vsi: VSI being configured 29037b9ffc76SAnirudh Venkataramanan * @ctx: the context buffer returned from AQ VSI update command 29047b9ffc76SAnirudh Venkataramanan */ 29057b9ffc76SAnirudh Venkataramanan static void ice_vsi_update_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctx) 29067b9ffc76SAnirudh Venkataramanan { 29077b9ffc76SAnirudh Venkataramanan vsi->info.mapping_flags = ctx->info.mapping_flags; 29087b9ffc76SAnirudh Venkataramanan memcpy(&vsi->info.q_mapping, &ctx->info.q_mapping, 29097b9ffc76SAnirudh Venkataramanan sizeof(vsi->info.q_mapping)); 29107b9ffc76SAnirudh Venkataramanan memcpy(&vsi->info.tc_mapping, ctx->info.tc_mapping, 29117b9ffc76SAnirudh Venkataramanan sizeof(vsi->info.tc_mapping)); 29127b9ffc76SAnirudh Venkataramanan } 29137b9ffc76SAnirudh Venkataramanan 29147b9ffc76SAnirudh Venkataramanan /** 29157b9ffc76SAnirudh Venkataramanan * ice_vsi_cfg_tc - Configure VSI Tx Sched for given TC map 29167b9ffc76SAnirudh Venkataramanan * @vsi: VSI to be configured 29177b9ffc76SAnirudh Venkataramanan * @ena_tc: TC bitmap 29187b9ffc76SAnirudh Venkataramanan * 29197b9ffc76SAnirudh Venkataramanan * VSI queues expected to be quiesced before calling this function 29207b9ffc76SAnirudh Venkataramanan */ 29217b9ffc76SAnirudh Venkataramanan int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc) 29227b9ffc76SAnirudh Venkataramanan { 29237b9ffc76SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 29247b9ffc76SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 29254ee656bbSTony Nguyen struct ice_vsi_ctx *ctx; 29267b9ffc76SAnirudh Venkataramanan enum ice_status status; 29274015d11eSBrett Creeley struct device *dev; 29287b9ffc76SAnirudh Venkataramanan int i, ret = 0; 29297b9ffc76SAnirudh Venkataramanan u8 num_tc = 0; 29307b9ffc76SAnirudh Venkataramanan 29314015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 29324015d11eSBrett Creeley 29337b9ffc76SAnirudh Venkataramanan ice_for_each_traffic_class(i) { 29347b9ffc76SAnirudh Venkataramanan /* build bitmap of enabled TCs */ 29357b9ffc76SAnirudh Venkataramanan if (ena_tc & BIT(i)) 29367b9ffc76SAnirudh Venkataramanan num_tc++; 29377b9ffc76SAnirudh Venkataramanan /* populate max_txqs per TC */ 2938d5a46359SAkeem G Abodunrin max_txqs[i] = vsi->alloc_txq; 29397b9ffc76SAnirudh Venkataramanan } 29407b9ffc76SAnirudh Venkataramanan 29417b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.ena_tc = ena_tc; 29427b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.numtc = num_tc; 29437b9ffc76SAnirudh Venkataramanan 29449efe35d0STony Nguyen ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 29457b9ffc76SAnirudh Venkataramanan if (!ctx) 29467b9ffc76SAnirudh Venkataramanan return -ENOMEM; 29477b9ffc76SAnirudh Venkataramanan 29487b9ffc76SAnirudh Venkataramanan ctx->vf_num = 0; 29497b9ffc76SAnirudh Venkataramanan ctx->info = vsi->info; 29507b9ffc76SAnirudh Venkataramanan 29517b9ffc76SAnirudh Venkataramanan ice_vsi_setup_q_map(vsi, ctx); 29527b9ffc76SAnirudh Venkataramanan 29537b9ffc76SAnirudh Venkataramanan /* must to indicate which section of VSI context are being modified */ 29547b9ffc76SAnirudh Venkataramanan ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID); 29557b9ffc76SAnirudh Venkataramanan status = ice_update_vsi(&pf->hw, vsi->idx, ctx, NULL); 29567b9ffc76SAnirudh Venkataramanan if (status) { 29574015d11eSBrett Creeley dev_info(dev, "Failed VSI Update\n"); 29587b9ffc76SAnirudh Venkataramanan ret = -EIO; 29597b9ffc76SAnirudh Venkataramanan goto out; 29607b9ffc76SAnirudh Venkataramanan } 29617b9ffc76SAnirudh Venkataramanan 29627b9ffc76SAnirudh Venkataramanan status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 29637b9ffc76SAnirudh Venkataramanan max_txqs); 29647b9ffc76SAnirudh Venkataramanan 29657b9ffc76SAnirudh Venkataramanan if (status) { 29660fee3577SLihong Yang dev_err(dev, "VSI %d failed TC config, error %s\n", 29670fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 29687b9ffc76SAnirudh Venkataramanan ret = -EIO; 29697b9ffc76SAnirudh Venkataramanan goto out; 29707b9ffc76SAnirudh Venkataramanan } 29717b9ffc76SAnirudh Venkataramanan ice_vsi_update_q_map(vsi, ctx); 29727b9ffc76SAnirudh Venkataramanan vsi->info.valid_sections = 0; 29737b9ffc76SAnirudh Venkataramanan 29747b9ffc76SAnirudh Venkataramanan ice_vsi_cfg_netdev_tc(vsi, ena_tc); 29757b9ffc76SAnirudh Venkataramanan out: 29769efe35d0STony Nguyen kfree(ctx); 29777b9ffc76SAnirudh Venkataramanan return ret; 29787b9ffc76SAnirudh Venkataramanan } 29797b9ffc76SAnirudh Venkataramanan #endif /* CONFIG_DCB */ 2980bbb968e8SAkeem G Abodunrin 2981bbb968e8SAkeem G Abodunrin /** 29822d4238f5SKrzysztof Kazimierczak * ice_update_ring_stats - Update ring statistics 29832d4238f5SKrzysztof Kazimierczak * @ring: ring to update 29842d4238f5SKrzysztof Kazimierczak * @cont: used to increment per-vector counters 29852d4238f5SKrzysztof Kazimierczak * @pkts: number of processed packets 29862d4238f5SKrzysztof Kazimierczak * @bytes: number of processed bytes 29872d4238f5SKrzysztof Kazimierczak * 29882d4238f5SKrzysztof Kazimierczak * This function assumes that caller has acquired a u64_stats_sync lock. 29892d4238f5SKrzysztof Kazimierczak */ 29902d4238f5SKrzysztof Kazimierczak static void 29912d4238f5SKrzysztof Kazimierczak ice_update_ring_stats(struct ice_ring *ring, struct ice_ring_container *cont, 29922d4238f5SKrzysztof Kazimierczak u64 pkts, u64 bytes) 29932d4238f5SKrzysztof Kazimierczak { 29942d4238f5SKrzysztof Kazimierczak ring->stats.bytes += bytes; 29952d4238f5SKrzysztof Kazimierczak ring->stats.pkts += pkts; 29962d4238f5SKrzysztof Kazimierczak cont->total_bytes += bytes; 29972d4238f5SKrzysztof Kazimierczak cont->total_pkts += pkts; 29982d4238f5SKrzysztof Kazimierczak } 29992d4238f5SKrzysztof Kazimierczak 30002d4238f5SKrzysztof Kazimierczak /** 30012d4238f5SKrzysztof Kazimierczak * ice_update_tx_ring_stats - Update Tx ring specific counters 30022d4238f5SKrzysztof Kazimierczak * @tx_ring: ring to update 30032d4238f5SKrzysztof Kazimierczak * @pkts: number of processed packets 30042d4238f5SKrzysztof Kazimierczak * @bytes: number of processed bytes 30052d4238f5SKrzysztof Kazimierczak */ 30062d4238f5SKrzysztof Kazimierczak void ice_update_tx_ring_stats(struct ice_ring *tx_ring, u64 pkts, u64 bytes) 30072d4238f5SKrzysztof Kazimierczak { 30082d4238f5SKrzysztof Kazimierczak u64_stats_update_begin(&tx_ring->syncp); 30092d4238f5SKrzysztof Kazimierczak ice_update_ring_stats(tx_ring, &tx_ring->q_vector->tx, pkts, bytes); 30102d4238f5SKrzysztof Kazimierczak u64_stats_update_end(&tx_ring->syncp); 30112d4238f5SKrzysztof Kazimierczak } 30122d4238f5SKrzysztof Kazimierczak 30132d4238f5SKrzysztof Kazimierczak /** 30142d4238f5SKrzysztof Kazimierczak * ice_update_rx_ring_stats - Update Rx ring specific counters 30152d4238f5SKrzysztof Kazimierczak * @rx_ring: ring to update 30162d4238f5SKrzysztof Kazimierczak * @pkts: number of processed packets 30172d4238f5SKrzysztof Kazimierczak * @bytes: number of processed bytes 30182d4238f5SKrzysztof Kazimierczak */ 30192d4238f5SKrzysztof Kazimierczak void ice_update_rx_ring_stats(struct ice_ring *rx_ring, u64 pkts, u64 bytes) 30202d4238f5SKrzysztof Kazimierczak { 30212d4238f5SKrzysztof Kazimierczak u64_stats_update_begin(&rx_ring->syncp); 30222d4238f5SKrzysztof Kazimierczak ice_update_ring_stats(rx_ring, &rx_ring->q_vector->rx, pkts, bytes); 30232d4238f5SKrzysztof Kazimierczak u64_stats_update_end(&rx_ring->syncp); 30242d4238f5SKrzysztof Kazimierczak } 30252d4238f5SKrzysztof Kazimierczak 30262d4238f5SKrzysztof Kazimierczak /** 3027148beb61SHenry Tieman * ice_status_to_errno - convert from enum ice_status to Linux errno 3028148beb61SHenry Tieman * @err: ice_status value to convert 3029148beb61SHenry Tieman */ 3030148beb61SHenry Tieman int ice_status_to_errno(enum ice_status err) 3031148beb61SHenry Tieman { 3032148beb61SHenry Tieman switch (err) { 3033148beb61SHenry Tieman case ICE_SUCCESS: 3034148beb61SHenry Tieman return 0; 3035148beb61SHenry Tieman case ICE_ERR_DOES_NOT_EXIST: 3036148beb61SHenry Tieman return -ENOENT; 3037148beb61SHenry Tieman case ICE_ERR_OUT_OF_RANGE: 3038148beb61SHenry Tieman return -ENOTTY; 3039148beb61SHenry Tieman case ICE_ERR_PARAM: 3040148beb61SHenry Tieman return -EINVAL; 3041148beb61SHenry Tieman case ICE_ERR_NO_MEMORY: 3042148beb61SHenry Tieman return -ENOMEM; 3043148beb61SHenry Tieman case ICE_ERR_MAX_LIMIT: 3044148beb61SHenry Tieman return -EAGAIN; 3045148beb61SHenry Tieman default: 3046148beb61SHenry Tieman return -EINVAL; 3047148beb61SHenry Tieman } 3048148beb61SHenry Tieman } 3049148beb61SHenry Tieman 3050148beb61SHenry Tieman /** 3051fc0f39bcSBrett Creeley * ice_is_dflt_vsi_in_use - check if the default forwarding VSI is being used 3052fc0f39bcSBrett Creeley * @sw: switch to check if its default forwarding VSI is free 3053fc0f39bcSBrett Creeley * 3054fc0f39bcSBrett Creeley * Return true if the default forwarding VSI is already being used, else returns 3055fc0f39bcSBrett Creeley * false signalling that it's available to use. 3056fc0f39bcSBrett Creeley */ 3057fc0f39bcSBrett Creeley bool ice_is_dflt_vsi_in_use(struct ice_sw *sw) 3058fc0f39bcSBrett Creeley { 3059fc0f39bcSBrett Creeley return (sw->dflt_vsi && sw->dflt_vsi_ena); 3060fc0f39bcSBrett Creeley } 3061fc0f39bcSBrett Creeley 3062fc0f39bcSBrett Creeley /** 3063fc0f39bcSBrett Creeley * ice_is_vsi_dflt_vsi - check if the VSI passed in is the default VSI 3064fc0f39bcSBrett Creeley * @sw: switch for the default forwarding VSI to compare against 3065fc0f39bcSBrett Creeley * @vsi: VSI to compare against default forwarding VSI 3066fc0f39bcSBrett Creeley * 3067fc0f39bcSBrett Creeley * If this VSI passed in is the default forwarding VSI then return true, else 3068fc0f39bcSBrett Creeley * return false 3069fc0f39bcSBrett Creeley */ 3070fc0f39bcSBrett Creeley bool ice_is_vsi_dflt_vsi(struct ice_sw *sw, struct ice_vsi *vsi) 3071fc0f39bcSBrett Creeley { 3072fc0f39bcSBrett Creeley return (sw->dflt_vsi == vsi && sw->dflt_vsi_ena); 3073fc0f39bcSBrett Creeley } 3074fc0f39bcSBrett Creeley 3075fc0f39bcSBrett Creeley /** 3076fc0f39bcSBrett Creeley * ice_set_dflt_vsi - set the default forwarding VSI 3077fc0f39bcSBrett Creeley * @sw: switch used to assign the default forwarding VSI 3078fc0f39bcSBrett Creeley * @vsi: VSI getting set as the default forwarding VSI on the switch 3079fc0f39bcSBrett Creeley * 3080fc0f39bcSBrett Creeley * If the VSI passed in is already the default VSI and it's enabled just return 3081fc0f39bcSBrett Creeley * success. 3082fc0f39bcSBrett Creeley * 3083fc0f39bcSBrett Creeley * If there is already a default VSI on the switch and it's enabled then return 3084fc0f39bcSBrett Creeley * -EEXIST since there can only be one default VSI per switch. 3085fc0f39bcSBrett Creeley * 3086fc0f39bcSBrett Creeley * Otherwise try to set the VSI passed in as the switch's default VSI and 3087fc0f39bcSBrett Creeley * return the result. 3088fc0f39bcSBrett Creeley */ 3089fc0f39bcSBrett Creeley int ice_set_dflt_vsi(struct ice_sw *sw, struct ice_vsi *vsi) 3090fc0f39bcSBrett Creeley { 3091fc0f39bcSBrett Creeley enum ice_status status; 3092fc0f39bcSBrett Creeley struct device *dev; 3093fc0f39bcSBrett Creeley 3094fc0f39bcSBrett Creeley if (!sw || !vsi) 3095fc0f39bcSBrett Creeley return -EINVAL; 3096fc0f39bcSBrett Creeley 3097fc0f39bcSBrett Creeley dev = ice_pf_to_dev(vsi->back); 3098fc0f39bcSBrett Creeley 3099fc0f39bcSBrett Creeley /* the VSI passed in is already the default VSI */ 3100fc0f39bcSBrett Creeley if (ice_is_vsi_dflt_vsi(sw, vsi)) { 3101fc0f39bcSBrett Creeley dev_dbg(dev, "VSI %d passed in is already the default forwarding VSI, nothing to do\n", 3102fc0f39bcSBrett Creeley vsi->vsi_num); 3103fc0f39bcSBrett Creeley return 0; 3104fc0f39bcSBrett Creeley } 3105fc0f39bcSBrett Creeley 3106fc0f39bcSBrett Creeley /* another VSI is already the default VSI for this switch */ 3107fc0f39bcSBrett Creeley if (ice_is_dflt_vsi_in_use(sw)) { 310819cce2c6SAnirudh Venkataramanan dev_err(dev, "Default forwarding VSI %d already in use, disable it and try again\n", 3109fc0f39bcSBrett Creeley sw->dflt_vsi->vsi_num); 3110fc0f39bcSBrett Creeley return -EEXIST; 3111fc0f39bcSBrett Creeley } 3112fc0f39bcSBrett Creeley 3113fc0f39bcSBrett Creeley status = ice_cfg_dflt_vsi(&vsi->back->hw, vsi->idx, true, ICE_FLTR_RX); 3114fc0f39bcSBrett Creeley if (status) { 31150fee3577SLihong Yang dev_err(dev, "Failed to set VSI %d as the default forwarding VSI, error %s\n", 31160fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 3117fc0f39bcSBrett Creeley return -EIO; 3118fc0f39bcSBrett Creeley } 3119fc0f39bcSBrett Creeley 3120fc0f39bcSBrett Creeley sw->dflt_vsi = vsi; 3121fc0f39bcSBrett Creeley sw->dflt_vsi_ena = true; 3122fc0f39bcSBrett Creeley 3123fc0f39bcSBrett Creeley return 0; 3124fc0f39bcSBrett Creeley } 3125fc0f39bcSBrett Creeley 3126fc0f39bcSBrett Creeley /** 3127fc0f39bcSBrett Creeley * ice_clear_dflt_vsi - clear the default forwarding VSI 3128fc0f39bcSBrett Creeley * @sw: switch used to clear the default VSI 3129fc0f39bcSBrett Creeley * 3130fc0f39bcSBrett Creeley * If the switch has no default VSI or it's not enabled then return error. 3131fc0f39bcSBrett Creeley * 3132fc0f39bcSBrett Creeley * Otherwise try to clear the default VSI and return the result. 3133fc0f39bcSBrett Creeley */ 3134fc0f39bcSBrett Creeley int ice_clear_dflt_vsi(struct ice_sw *sw) 3135fc0f39bcSBrett Creeley { 3136fc0f39bcSBrett Creeley struct ice_vsi *dflt_vsi; 3137fc0f39bcSBrett Creeley enum ice_status status; 3138fc0f39bcSBrett Creeley struct device *dev; 3139fc0f39bcSBrett Creeley 3140fc0f39bcSBrett Creeley if (!sw) 3141fc0f39bcSBrett Creeley return -EINVAL; 3142fc0f39bcSBrett Creeley 3143fc0f39bcSBrett Creeley dev = ice_pf_to_dev(sw->pf); 3144fc0f39bcSBrett Creeley 3145fc0f39bcSBrett Creeley dflt_vsi = sw->dflt_vsi; 3146fc0f39bcSBrett Creeley 3147fc0f39bcSBrett Creeley /* there is no default VSI configured */ 3148fc0f39bcSBrett Creeley if (!ice_is_dflt_vsi_in_use(sw)) 3149fc0f39bcSBrett Creeley return -ENODEV; 3150fc0f39bcSBrett Creeley 3151fc0f39bcSBrett Creeley status = ice_cfg_dflt_vsi(&dflt_vsi->back->hw, dflt_vsi->idx, false, 3152fc0f39bcSBrett Creeley ICE_FLTR_RX); 3153fc0f39bcSBrett Creeley if (status) { 31540fee3577SLihong Yang dev_err(dev, "Failed to clear the default forwarding VSI %d, error %s\n", 31550fee3577SLihong Yang dflt_vsi->vsi_num, ice_stat_str(status)); 3156fc0f39bcSBrett Creeley return -EIO; 3157fc0f39bcSBrett Creeley } 3158fc0f39bcSBrett Creeley 3159fc0f39bcSBrett Creeley sw->dflt_vsi = NULL; 3160fc0f39bcSBrett Creeley sw->dflt_vsi_ena = false; 3161fc0f39bcSBrett Creeley 3162fc0f39bcSBrett Creeley return 0; 3163fc0f39bcSBrett Creeley } 3164