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" 87b9ffc76SAnirudh Venkataramanan #include "ice_dcb_lib.h" 945d3d428SAnirudh Venkataramanan 1045d3d428SAnirudh Venkataramanan /** 11964674f1SAnirudh Venkataramanan * ice_vsi_type_str - maps VSI type enum to string equivalents 126dae8aa0SBruce Allan * @vsi_type: VSI type enum 13964674f1SAnirudh Venkataramanan */ 146dae8aa0SBruce Allan const char *ice_vsi_type_str(enum ice_vsi_type vsi_type) 15964674f1SAnirudh Venkataramanan { 166dae8aa0SBruce Allan switch (vsi_type) { 17964674f1SAnirudh Venkataramanan case ICE_VSI_PF: 18964674f1SAnirudh Venkataramanan return "ICE_VSI_PF"; 19964674f1SAnirudh Venkataramanan case ICE_VSI_VF: 20964674f1SAnirudh Venkataramanan return "ICE_VSI_VF"; 21964674f1SAnirudh Venkataramanan case ICE_VSI_LB: 22964674f1SAnirudh Venkataramanan return "ICE_VSI_LB"; 23964674f1SAnirudh Venkataramanan default: 24964674f1SAnirudh Venkataramanan return "unknown"; 25964674f1SAnirudh Venkataramanan } 26964674f1SAnirudh Venkataramanan } 27964674f1SAnirudh Venkataramanan 28964674f1SAnirudh Venkataramanan /** 2913a6233bSBrett Creeley * ice_vsi_ctrl_all_rx_rings - Start or stop a VSI's Rx rings 30d02f734cSMaciej Fijalkowski * @vsi: the VSI being configured 31d02f734cSMaciej Fijalkowski * @ena: start or stop the Rx rings 3213a6233bSBrett Creeley * 3313a6233bSBrett Creeley * First enable/disable all of the Rx rings, flush any remaining writes, and 3413a6233bSBrett Creeley * then verify that they have all been enabled/disabled successfully. This will 3513a6233bSBrett Creeley * let all of the register writes complete when enabling/disabling the Rx rings 3613a6233bSBrett Creeley * before waiting for the change in hardware to complete. 37d02f734cSMaciej Fijalkowski */ 3813a6233bSBrett Creeley static int ice_vsi_ctrl_all_rx_rings(struct ice_vsi *vsi, bool ena) 39d02f734cSMaciej Fijalkowski { 40d02f734cSMaciej Fijalkowski int i, ret = 0; 41d02f734cSMaciej Fijalkowski 4213a6233bSBrett Creeley for (i = 0; i < vsi->num_rxq; i++) 4313a6233bSBrett Creeley ice_vsi_ctrl_one_rx_ring(vsi, ena, i, false); 4413a6233bSBrett Creeley 4513a6233bSBrett Creeley ice_flush(&vsi->back->hw); 4613a6233bSBrett Creeley 47d02f734cSMaciej Fijalkowski for (i = 0; i < vsi->num_rxq; i++) { 4813a6233bSBrett Creeley ret = ice_vsi_wait_one_rx_ring(vsi, ena, i); 49d02f734cSMaciej Fijalkowski if (ret) 50d02f734cSMaciej Fijalkowski break; 5172adf242SAnirudh Venkataramanan } 5272adf242SAnirudh Venkataramanan 5372adf242SAnirudh Venkataramanan return ret; 5472adf242SAnirudh Venkataramanan } 5572adf242SAnirudh Venkataramanan 5672adf242SAnirudh Venkataramanan /** 5728c2a645SAnirudh Venkataramanan * ice_vsi_alloc_arrays - Allocate queue and vector pointer arrays for the VSI 5828c2a645SAnirudh Venkataramanan * @vsi: VSI pointer 5928c2a645SAnirudh Venkataramanan * 6028c2a645SAnirudh Venkataramanan * On error: returns error code (negative) 6128c2a645SAnirudh Venkataramanan * On success: returns 0 6228c2a645SAnirudh Venkataramanan */ 63a85a3847SBrett Creeley static int ice_vsi_alloc_arrays(struct ice_vsi *vsi) 6428c2a645SAnirudh Venkataramanan { 6528c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 664015d11eSBrett Creeley struct device *dev; 674015d11eSBrett Creeley 684015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 6928c2a645SAnirudh Venkataramanan 7028c2a645SAnirudh Venkataramanan /* allocate memory for both Tx and Rx ring pointers */ 714015d11eSBrett Creeley vsi->tx_rings = devm_kcalloc(dev, vsi->alloc_txq, 72c6dfd690SBruce Allan sizeof(*vsi->tx_rings), GFP_KERNEL); 7328c2a645SAnirudh Venkataramanan if (!vsi->tx_rings) 7478b5713aSAnirudh Venkataramanan return -ENOMEM; 7528c2a645SAnirudh Venkataramanan 764015d11eSBrett Creeley vsi->rx_rings = devm_kcalloc(dev, vsi->alloc_rxq, 77c6dfd690SBruce Allan sizeof(*vsi->rx_rings), GFP_KERNEL); 7828c2a645SAnirudh Venkataramanan if (!vsi->rx_rings) 7978b5713aSAnirudh Venkataramanan goto err_rings; 8078b5713aSAnirudh Venkataramanan 81efc2214bSMaciej Fijalkowski /* XDP will have vsi->alloc_txq Tx queues as well, so double the size */ 824015d11eSBrett Creeley vsi->txq_map = devm_kcalloc(dev, (2 * vsi->alloc_txq), 8378b5713aSAnirudh Venkataramanan sizeof(*vsi->txq_map), GFP_KERNEL); 8478b5713aSAnirudh Venkataramanan 8578b5713aSAnirudh Venkataramanan if (!vsi->txq_map) 8678b5713aSAnirudh Venkataramanan goto err_txq_map; 8778b5713aSAnirudh Venkataramanan 884015d11eSBrett Creeley vsi->rxq_map = devm_kcalloc(dev, vsi->alloc_rxq, 8978b5713aSAnirudh Venkataramanan sizeof(*vsi->rxq_map), GFP_KERNEL); 9078b5713aSAnirudh Venkataramanan if (!vsi->rxq_map) 9178b5713aSAnirudh Venkataramanan goto err_rxq_map; 9278b5713aSAnirudh Venkataramanan 930e674aebSAnirudh Venkataramanan /* There is no need to allocate q_vectors for a loopback VSI. */ 940e674aebSAnirudh Venkataramanan if (vsi->type == ICE_VSI_LB) 950e674aebSAnirudh Venkataramanan return 0; 960e674aebSAnirudh Venkataramanan 9728c2a645SAnirudh Venkataramanan /* allocate memory for q_vector pointers */ 984015d11eSBrett Creeley vsi->q_vectors = devm_kcalloc(dev, vsi->num_q_vectors, 99a85a3847SBrett Creeley sizeof(*vsi->q_vectors), GFP_KERNEL); 10028c2a645SAnirudh Venkataramanan if (!vsi->q_vectors) 10128c2a645SAnirudh Venkataramanan goto err_vectors; 10228c2a645SAnirudh Venkataramanan 10328c2a645SAnirudh Venkataramanan return 0; 10428c2a645SAnirudh Venkataramanan 10528c2a645SAnirudh Venkataramanan err_vectors: 1064015d11eSBrett Creeley devm_kfree(dev, vsi->rxq_map); 10778b5713aSAnirudh Venkataramanan err_rxq_map: 1084015d11eSBrett Creeley devm_kfree(dev, vsi->txq_map); 10978b5713aSAnirudh Venkataramanan err_txq_map: 1104015d11eSBrett Creeley devm_kfree(dev, vsi->rx_rings); 11178b5713aSAnirudh Venkataramanan err_rings: 1124015d11eSBrett Creeley devm_kfree(dev, vsi->tx_rings); 11328c2a645SAnirudh Venkataramanan return -ENOMEM; 11428c2a645SAnirudh Venkataramanan } 11528c2a645SAnirudh Venkataramanan 11628c2a645SAnirudh Venkataramanan /** 117ad71b256SBrett Creeley * ice_vsi_set_num_desc - Set number of descriptors for queues on this VSI 118ad71b256SBrett Creeley * @vsi: the VSI being configured 119ad71b256SBrett Creeley */ 120ad71b256SBrett Creeley static void ice_vsi_set_num_desc(struct ice_vsi *vsi) 121ad71b256SBrett Creeley { 122ad71b256SBrett Creeley switch (vsi->type) { 123ad71b256SBrett Creeley case ICE_VSI_PF: 1240e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 125ad71b256SBrett Creeley vsi->num_rx_desc = ICE_DFLT_NUM_RX_DESC; 126ad71b256SBrett Creeley vsi->num_tx_desc = ICE_DFLT_NUM_TX_DESC; 127ad71b256SBrett Creeley break; 128ad71b256SBrett Creeley default: 12919cce2c6SAnirudh Venkataramanan dev_dbg(ice_pf_to_dev(vsi->back), "Not setting number of Tx/Rx descriptors for VSI type %d\n", 130ad71b256SBrett Creeley vsi->type); 131ad71b256SBrett Creeley break; 132ad71b256SBrett Creeley } 133ad71b256SBrett Creeley } 134ad71b256SBrett Creeley 135ad71b256SBrett Creeley /** 136ad71b256SBrett Creeley * ice_vsi_set_num_qs - Set number of queues, descriptors and vectors for a VSI 13728c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 138f9867df6SAnirudh Venkataramanan * @vf_id: ID of the VF being configured 13928c2a645SAnirudh Venkataramanan * 14028c2a645SAnirudh Venkataramanan * Return 0 on success and a negative value on error 14128c2a645SAnirudh Venkataramanan */ 1425743020dSAkeem G Abodunrin static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id) 14328c2a645SAnirudh Venkataramanan { 14428c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 1455743020dSAkeem G Abodunrin struct ice_vf *vf = NULL; 1465743020dSAkeem G Abodunrin 1475743020dSAkeem G Abodunrin if (vsi->type == ICE_VSI_VF) 1485743020dSAkeem G Abodunrin vsi->vf_id = vf_id; 1495743020dSAkeem G Abodunrin 15028c2a645SAnirudh Venkataramanan switch (vsi->type) { 15128c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 1528c243700SAnirudh Venkataramanan vsi->alloc_txq = min_t(int, ice_get_avail_txq_count(pf), 1538c243700SAnirudh Venkataramanan num_online_cpus()); 15487324e74SHenry Tieman if (vsi->req_txq) { 15587324e74SHenry Tieman vsi->alloc_txq = vsi->req_txq; 15687324e74SHenry Tieman vsi->num_txq = vsi->req_txq; 15787324e74SHenry Tieman } 1588c243700SAnirudh Venkataramanan 1598c243700SAnirudh Venkataramanan pf->num_lan_tx = vsi->alloc_txq; 1608c243700SAnirudh Venkataramanan 1618c243700SAnirudh Venkataramanan /* only 1 Rx queue unless RSS is enabled */ 16287324e74SHenry Tieman if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 1638c243700SAnirudh Venkataramanan vsi->alloc_rxq = 1; 16487324e74SHenry Tieman } else { 1658c243700SAnirudh Venkataramanan vsi->alloc_rxq = min_t(int, ice_get_avail_rxq_count(pf), 1668c243700SAnirudh Venkataramanan num_online_cpus()); 16787324e74SHenry Tieman if (vsi->req_rxq) { 16887324e74SHenry Tieman vsi->alloc_rxq = vsi->req_rxq; 16987324e74SHenry Tieman vsi->num_rxq = vsi->req_rxq; 17087324e74SHenry Tieman } 17187324e74SHenry Tieman } 1728c243700SAnirudh Venkataramanan 1738c243700SAnirudh Venkataramanan pf->num_lan_rx = vsi->alloc_rxq; 1748c243700SAnirudh Venkataramanan 17534cdcb16SBrett Creeley vsi->num_q_vectors = max_t(int, vsi->alloc_rxq, vsi->alloc_txq); 17628c2a645SAnirudh Venkataramanan break; 1778ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 1785743020dSAkeem G Abodunrin vf = &pf->vf[vsi->vf_id]; 1795743020dSAkeem G Abodunrin vsi->alloc_txq = vf->num_vf_qs; 1805743020dSAkeem G Abodunrin vsi->alloc_rxq = vf->num_vf_qs; 18146c276ceSBrett Creeley /* pf->num_msix_per_vf includes (VF miscellaneous vector + 1828ede0178SAnirudh Venkataramanan * data queue interrupts). Since vsi->num_q_vectors is number 183047e52c0SAnirudh Venkataramanan * of queues vectors, subtract 1 (ICE_NONQ_VECS_VF) from the 184047e52c0SAnirudh Venkataramanan * original vector count 1858ede0178SAnirudh Venkataramanan */ 18646c276ceSBrett Creeley vsi->num_q_vectors = pf->num_msix_per_vf - ICE_NONQ_VECS_VF; 1878ede0178SAnirudh Venkataramanan break; 1880e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 1890e674aebSAnirudh Venkataramanan vsi->alloc_txq = 1; 1900e674aebSAnirudh Venkataramanan vsi->alloc_rxq = 1; 1910e674aebSAnirudh Venkataramanan break; 19228c2a645SAnirudh Venkataramanan default: 1934015d11eSBrett Creeley dev_warn(ice_pf_to_dev(pf), "Unknown VSI type %d\n", vsi->type); 19428c2a645SAnirudh Venkataramanan break; 19528c2a645SAnirudh Venkataramanan } 196ad71b256SBrett Creeley 197ad71b256SBrett Creeley ice_vsi_set_num_desc(vsi); 19828c2a645SAnirudh Venkataramanan } 19928c2a645SAnirudh Venkataramanan 20028c2a645SAnirudh Venkataramanan /** 20128c2a645SAnirudh Venkataramanan * ice_get_free_slot - get the next non-NULL location index in array 20228c2a645SAnirudh Venkataramanan * @array: array to search 20328c2a645SAnirudh Venkataramanan * @size: size of the array 20428c2a645SAnirudh Venkataramanan * @curr: last known occupied index to be used as a search hint 20528c2a645SAnirudh Venkataramanan * 20628c2a645SAnirudh Venkataramanan * void * is being used to keep the functionality generic. This lets us use this 20728c2a645SAnirudh Venkataramanan * function on any array of pointers. 20828c2a645SAnirudh Venkataramanan */ 20937bb8390SAnirudh Venkataramanan static int ice_get_free_slot(void *array, int size, int curr) 21028c2a645SAnirudh Venkataramanan { 21128c2a645SAnirudh Venkataramanan int **tmp_array = (int **)array; 21228c2a645SAnirudh Venkataramanan int next; 21328c2a645SAnirudh Venkataramanan 21428c2a645SAnirudh Venkataramanan if (curr < (size - 1) && !tmp_array[curr + 1]) { 21528c2a645SAnirudh Venkataramanan next = curr + 1; 21628c2a645SAnirudh Venkataramanan } else { 21728c2a645SAnirudh Venkataramanan int i = 0; 21828c2a645SAnirudh Venkataramanan 21928c2a645SAnirudh Venkataramanan while ((i < size) && (tmp_array[i])) 22028c2a645SAnirudh Venkataramanan i++; 22128c2a645SAnirudh Venkataramanan if (i == size) 22228c2a645SAnirudh Venkataramanan next = ICE_NO_VSI; 22328c2a645SAnirudh Venkataramanan else 22428c2a645SAnirudh Venkataramanan next = i; 22528c2a645SAnirudh Venkataramanan } 22628c2a645SAnirudh Venkataramanan return next; 22728c2a645SAnirudh Venkataramanan } 22828c2a645SAnirudh Venkataramanan 22928c2a645SAnirudh Venkataramanan /** 2305153a18eSAnirudh Venkataramanan * ice_vsi_delete - delete a VSI from the switch 2315153a18eSAnirudh Venkataramanan * @vsi: pointer to VSI being removed 2325153a18eSAnirudh Venkataramanan */ 2335153a18eSAnirudh Venkataramanan void ice_vsi_delete(struct ice_vsi *vsi) 2345153a18eSAnirudh Venkataramanan { 2355153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 236198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 2375153a18eSAnirudh Venkataramanan enum ice_status status; 2385153a18eSAnirudh Venkataramanan 2399efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 240198a666aSBruce Allan if (!ctxt) 241198a666aSBruce Allan return; 242198a666aSBruce Allan 2438ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 244198a666aSBruce Allan ctxt->vf_num = vsi->vf_id; 245198a666aSBruce Allan ctxt->vsi_num = vsi->vsi_num; 2465153a18eSAnirudh Venkataramanan 247198a666aSBruce Allan memcpy(&ctxt->info, &vsi->info, sizeof(ctxt->info)); 2485153a18eSAnirudh Venkataramanan 249198a666aSBruce Allan status = ice_free_vsi(&pf->hw, vsi->idx, ctxt, false, NULL); 2505153a18eSAnirudh Venkataramanan if (status) 2510fee3577SLihong Yang dev_err(ice_pf_to_dev(pf), "Failed to delete VSI %i in FW - error: %s\n", 2520fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 253198a666aSBruce Allan 2549efe35d0STony Nguyen kfree(ctxt); 2555153a18eSAnirudh Venkataramanan } 2565153a18eSAnirudh Venkataramanan 2575153a18eSAnirudh Venkataramanan /** 258a85a3847SBrett Creeley * ice_vsi_free_arrays - De-allocate queue and vector pointer arrays for the VSI 25907309a0eSAnirudh Venkataramanan * @vsi: pointer to VSI being cleared 26007309a0eSAnirudh Venkataramanan */ 261a85a3847SBrett Creeley static void ice_vsi_free_arrays(struct ice_vsi *vsi) 26207309a0eSAnirudh Venkataramanan { 26307309a0eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 2644015d11eSBrett Creeley struct device *dev; 2654015d11eSBrett Creeley 2664015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 26707309a0eSAnirudh Venkataramanan 26807309a0eSAnirudh Venkataramanan /* free the ring and vector containers */ 269a85a3847SBrett Creeley if (vsi->q_vectors) { 2704015d11eSBrett Creeley devm_kfree(dev, vsi->q_vectors); 27107309a0eSAnirudh Venkataramanan vsi->q_vectors = NULL; 27207309a0eSAnirudh Venkataramanan } 27307309a0eSAnirudh Venkataramanan if (vsi->tx_rings) { 2744015d11eSBrett Creeley devm_kfree(dev, vsi->tx_rings); 27507309a0eSAnirudh Venkataramanan vsi->tx_rings = NULL; 27607309a0eSAnirudh Venkataramanan } 27707309a0eSAnirudh Venkataramanan if (vsi->rx_rings) { 2784015d11eSBrett Creeley devm_kfree(dev, vsi->rx_rings); 27907309a0eSAnirudh Venkataramanan vsi->rx_rings = NULL; 28007309a0eSAnirudh Venkataramanan } 28178b5713aSAnirudh Venkataramanan if (vsi->txq_map) { 2824015d11eSBrett Creeley devm_kfree(dev, vsi->txq_map); 28378b5713aSAnirudh Venkataramanan vsi->txq_map = NULL; 28478b5713aSAnirudh Venkataramanan } 28578b5713aSAnirudh Venkataramanan if (vsi->rxq_map) { 2864015d11eSBrett Creeley devm_kfree(dev, vsi->rxq_map); 28778b5713aSAnirudh Venkataramanan vsi->rxq_map = NULL; 28878b5713aSAnirudh Venkataramanan } 28907309a0eSAnirudh Venkataramanan } 29007309a0eSAnirudh Venkataramanan 29107309a0eSAnirudh Venkataramanan /** 29207309a0eSAnirudh Venkataramanan * ice_vsi_clear - clean up and deallocate the provided VSI 29307309a0eSAnirudh Venkataramanan * @vsi: pointer to VSI being cleared 29407309a0eSAnirudh Venkataramanan * 29507309a0eSAnirudh Venkataramanan * This deallocates the VSI's queue resources, removes it from the PF's 29607309a0eSAnirudh Venkataramanan * VSI array if necessary, and deallocates the VSI 29707309a0eSAnirudh Venkataramanan * 29807309a0eSAnirudh Venkataramanan * Returns 0 on success, negative on failure 29907309a0eSAnirudh Venkataramanan */ 30007309a0eSAnirudh Venkataramanan int ice_vsi_clear(struct ice_vsi *vsi) 30107309a0eSAnirudh Venkataramanan { 30207309a0eSAnirudh Venkataramanan struct ice_pf *pf = NULL; 3034015d11eSBrett Creeley struct device *dev; 30407309a0eSAnirudh Venkataramanan 30507309a0eSAnirudh Venkataramanan if (!vsi) 30607309a0eSAnirudh Venkataramanan return 0; 30707309a0eSAnirudh Venkataramanan 30807309a0eSAnirudh Venkataramanan if (!vsi->back) 30907309a0eSAnirudh Venkataramanan return -EINVAL; 31007309a0eSAnirudh Venkataramanan 31107309a0eSAnirudh Venkataramanan pf = vsi->back; 3124015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 31307309a0eSAnirudh Venkataramanan 31407309a0eSAnirudh Venkataramanan if (!pf->vsi[vsi->idx] || pf->vsi[vsi->idx] != vsi) { 3154015d11eSBrett Creeley dev_dbg(dev, "vsi does not exist at pf->vsi[%d]\n", vsi->idx); 31607309a0eSAnirudh Venkataramanan return -EINVAL; 31707309a0eSAnirudh Venkataramanan } 31807309a0eSAnirudh Venkataramanan 31907309a0eSAnirudh Venkataramanan mutex_lock(&pf->sw_mutex); 32007309a0eSAnirudh Venkataramanan /* updates the PF for this cleared VSI */ 32107309a0eSAnirudh Venkataramanan 32207309a0eSAnirudh Venkataramanan pf->vsi[vsi->idx] = NULL; 32307309a0eSAnirudh Venkataramanan if (vsi->idx < pf->next_vsi) 32407309a0eSAnirudh Venkataramanan pf->next_vsi = vsi->idx; 32507309a0eSAnirudh Venkataramanan 326a85a3847SBrett Creeley ice_vsi_free_arrays(vsi); 32707309a0eSAnirudh Venkataramanan mutex_unlock(&pf->sw_mutex); 3284015d11eSBrett Creeley devm_kfree(dev, vsi); 32907309a0eSAnirudh Venkataramanan 33007309a0eSAnirudh Venkataramanan return 0; 33107309a0eSAnirudh Venkataramanan } 33207309a0eSAnirudh Venkataramanan 33307309a0eSAnirudh Venkataramanan /** 3345153a18eSAnirudh Venkataramanan * ice_msix_clean_rings - MSIX mode Interrupt Handler 3355153a18eSAnirudh Venkataramanan * @irq: interrupt number 3365153a18eSAnirudh Venkataramanan * @data: pointer to a q_vector 3375153a18eSAnirudh Venkataramanan */ 338f3aaaaaaSAnirudh Venkataramanan static irqreturn_t ice_msix_clean_rings(int __always_unused irq, void *data) 3395153a18eSAnirudh Venkataramanan { 3405153a18eSAnirudh Venkataramanan struct ice_q_vector *q_vector = (struct ice_q_vector *)data; 3415153a18eSAnirudh Venkataramanan 3425153a18eSAnirudh Venkataramanan if (!q_vector->tx.ring && !q_vector->rx.ring) 3435153a18eSAnirudh Venkataramanan return IRQ_HANDLED; 3445153a18eSAnirudh Venkataramanan 3455153a18eSAnirudh Venkataramanan napi_schedule(&q_vector->napi); 3465153a18eSAnirudh Venkataramanan 3475153a18eSAnirudh Venkataramanan return IRQ_HANDLED; 3485153a18eSAnirudh Venkataramanan } 3495153a18eSAnirudh Venkataramanan 3505153a18eSAnirudh Venkataramanan /** 35137bb8390SAnirudh Venkataramanan * ice_vsi_alloc - Allocates the next available struct VSI in the PF 35237bb8390SAnirudh Venkataramanan * @pf: board private structure 3536dae8aa0SBruce Allan * @vsi_type: type of VSI 354f9867df6SAnirudh Venkataramanan * @vf_id: ID of the VF being configured 35537bb8390SAnirudh Venkataramanan * 35637bb8390SAnirudh Venkataramanan * returns a pointer to a VSI on success, NULL on failure. 35737bb8390SAnirudh Venkataramanan */ 3585743020dSAkeem G Abodunrin static struct ice_vsi * 3596dae8aa0SBruce Allan ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type vsi_type, u16 vf_id) 36037bb8390SAnirudh Venkataramanan { 3614015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 36237bb8390SAnirudh Venkataramanan struct ice_vsi *vsi = NULL; 36337bb8390SAnirudh Venkataramanan 36437bb8390SAnirudh Venkataramanan /* Need to protect the allocation of the VSIs at the PF level */ 36537bb8390SAnirudh Venkataramanan mutex_lock(&pf->sw_mutex); 36637bb8390SAnirudh Venkataramanan 36737bb8390SAnirudh Venkataramanan /* If we have already allocated our maximum number of VSIs, 36837bb8390SAnirudh Venkataramanan * pf->next_vsi will be ICE_NO_VSI. If not, pf->next_vsi index 36937bb8390SAnirudh Venkataramanan * is available to be populated 37037bb8390SAnirudh Venkataramanan */ 37137bb8390SAnirudh Venkataramanan if (pf->next_vsi == ICE_NO_VSI) { 3724015d11eSBrett Creeley dev_dbg(dev, "out of VSI slots!\n"); 37337bb8390SAnirudh Venkataramanan goto unlock_pf; 37437bb8390SAnirudh Venkataramanan } 37537bb8390SAnirudh Venkataramanan 3764015d11eSBrett Creeley vsi = devm_kzalloc(dev, sizeof(*vsi), GFP_KERNEL); 37737bb8390SAnirudh Venkataramanan if (!vsi) 37837bb8390SAnirudh Venkataramanan goto unlock_pf; 37937bb8390SAnirudh Venkataramanan 3806dae8aa0SBruce Allan vsi->type = vsi_type; 38137bb8390SAnirudh Venkataramanan vsi->back = pf; 38237bb8390SAnirudh Venkataramanan set_bit(__ICE_DOWN, vsi->state); 3839d56b7fdSJesse Brandeburg 38437bb8390SAnirudh Venkataramanan vsi->idx = pf->next_vsi; 38537bb8390SAnirudh Venkataramanan 3866dae8aa0SBruce Allan if (vsi_type == ICE_VSI_VF) 3875743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, vf_id); 3885743020dSAkeem G Abodunrin else 3895743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID); 39037bb8390SAnirudh Venkataramanan 39137bb8390SAnirudh Venkataramanan switch (vsi->type) { 39237bb8390SAnirudh Venkataramanan case ICE_VSI_PF: 393a85a3847SBrett Creeley if (ice_vsi_alloc_arrays(vsi)) 39437bb8390SAnirudh Venkataramanan goto err_rings; 39537bb8390SAnirudh Venkataramanan 39637bb8390SAnirudh Venkataramanan /* Setup default MSIX irq handler for VSI */ 39737bb8390SAnirudh Venkataramanan vsi->irq_handler = ice_msix_clean_rings; 39837bb8390SAnirudh Venkataramanan break; 3998ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 400a85a3847SBrett Creeley if (ice_vsi_alloc_arrays(vsi)) 4018ede0178SAnirudh Venkataramanan goto err_rings; 4028ede0178SAnirudh Venkataramanan break; 4030e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 4040e674aebSAnirudh Venkataramanan if (ice_vsi_alloc_arrays(vsi)) 4050e674aebSAnirudh Venkataramanan goto err_rings; 4060e674aebSAnirudh Venkataramanan break; 40737bb8390SAnirudh Venkataramanan default: 4084015d11eSBrett Creeley dev_warn(dev, "Unknown VSI type %d\n", vsi->type); 40937bb8390SAnirudh Venkataramanan goto unlock_pf; 41037bb8390SAnirudh Venkataramanan } 41137bb8390SAnirudh Venkataramanan 41237bb8390SAnirudh Venkataramanan /* fill VSI slot in the PF struct */ 41337bb8390SAnirudh Venkataramanan pf->vsi[pf->next_vsi] = vsi; 41437bb8390SAnirudh Venkataramanan 41537bb8390SAnirudh Venkataramanan /* prepare pf->next_vsi for next use */ 41637bb8390SAnirudh Venkataramanan pf->next_vsi = ice_get_free_slot(pf->vsi, pf->num_alloc_vsi, 41737bb8390SAnirudh Venkataramanan pf->next_vsi); 41837bb8390SAnirudh Venkataramanan goto unlock_pf; 41937bb8390SAnirudh Venkataramanan 42037bb8390SAnirudh Venkataramanan err_rings: 4214015d11eSBrett Creeley devm_kfree(dev, vsi); 42237bb8390SAnirudh Venkataramanan vsi = NULL; 42337bb8390SAnirudh Venkataramanan unlock_pf: 42437bb8390SAnirudh Venkataramanan mutex_unlock(&pf->sw_mutex); 42537bb8390SAnirudh Venkataramanan return vsi; 42637bb8390SAnirudh Venkataramanan } 42737bb8390SAnirudh Venkataramanan 42837bb8390SAnirudh Venkataramanan /** 429df0f8479SAnirudh Venkataramanan * ice_vsi_get_qs - Assign queues from PF to VSI 430df0f8479SAnirudh Venkataramanan * @vsi: the VSI to assign queues to 431df0f8479SAnirudh Venkataramanan * 432df0f8479SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 433df0f8479SAnirudh Venkataramanan */ 43437bb8390SAnirudh Venkataramanan static int ice_vsi_get_qs(struct ice_vsi *vsi) 435df0f8479SAnirudh Venkataramanan { 43603f7a986SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 43703f7a986SAnirudh Venkataramanan struct ice_qs_cfg tx_qs_cfg = { 43803f7a986SAnirudh Venkataramanan .qs_mutex = &pf->avail_q_mutex, 43903f7a986SAnirudh Venkataramanan .pf_map = pf->avail_txqs, 44078b5713aSAnirudh Venkataramanan .pf_map_size = pf->max_pf_txqs, 44103f7a986SAnirudh Venkataramanan .q_count = vsi->alloc_txq, 44203f7a986SAnirudh Venkataramanan .scatter_count = ICE_MAX_SCATTER_TXQS, 44303f7a986SAnirudh Venkataramanan .vsi_map = vsi->txq_map, 44403f7a986SAnirudh Venkataramanan .vsi_map_offset = 0, 44539066dc5SBrett Creeley .mapping_mode = ICE_VSI_MAP_CONTIG 44603f7a986SAnirudh Venkataramanan }; 44703f7a986SAnirudh Venkataramanan struct ice_qs_cfg rx_qs_cfg = { 44803f7a986SAnirudh Venkataramanan .qs_mutex = &pf->avail_q_mutex, 44903f7a986SAnirudh Venkataramanan .pf_map = pf->avail_rxqs, 45078b5713aSAnirudh Venkataramanan .pf_map_size = pf->max_pf_rxqs, 45103f7a986SAnirudh Venkataramanan .q_count = vsi->alloc_rxq, 45203f7a986SAnirudh Venkataramanan .scatter_count = ICE_MAX_SCATTER_RXQS, 45303f7a986SAnirudh Venkataramanan .vsi_map = vsi->rxq_map, 45403f7a986SAnirudh Venkataramanan .vsi_map_offset = 0, 45539066dc5SBrett Creeley .mapping_mode = ICE_VSI_MAP_CONTIG 45603f7a986SAnirudh Venkataramanan }; 45739066dc5SBrett Creeley int ret; 458df0f8479SAnirudh Venkataramanan 45903f7a986SAnirudh Venkataramanan ret = __ice_vsi_get_qs(&tx_qs_cfg); 46039066dc5SBrett Creeley if (ret) 461df0f8479SAnirudh Venkataramanan return ret; 46239066dc5SBrett Creeley vsi->tx_mapping_mode = tx_qs_cfg.mapping_mode; 46339066dc5SBrett Creeley 46439066dc5SBrett Creeley ret = __ice_vsi_get_qs(&rx_qs_cfg); 46539066dc5SBrett Creeley if (ret) 46639066dc5SBrett Creeley return ret; 46739066dc5SBrett Creeley vsi->rx_mapping_mode = rx_qs_cfg.mapping_mode; 46839066dc5SBrett Creeley 46939066dc5SBrett Creeley return 0; 470df0f8479SAnirudh Venkataramanan } 471df0f8479SAnirudh Venkataramanan 472df0f8479SAnirudh Venkataramanan /** 4735153a18eSAnirudh Venkataramanan * ice_vsi_put_qs - Release queues from VSI to PF 4745153a18eSAnirudh Venkataramanan * @vsi: the VSI that is going to release queues 4755153a18eSAnirudh Venkataramanan */ 4765153a18eSAnirudh Venkataramanan void ice_vsi_put_qs(struct ice_vsi *vsi) 4775153a18eSAnirudh Venkataramanan { 4785153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 4795153a18eSAnirudh Venkataramanan int i; 4805153a18eSAnirudh Venkataramanan 4815153a18eSAnirudh Venkataramanan mutex_lock(&pf->avail_q_mutex); 4825153a18eSAnirudh Venkataramanan 4835153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 4845153a18eSAnirudh Venkataramanan clear_bit(vsi->txq_map[i], pf->avail_txqs); 4855153a18eSAnirudh Venkataramanan vsi->txq_map[i] = ICE_INVAL_Q_INDEX; 4865153a18eSAnirudh Venkataramanan } 4875153a18eSAnirudh Venkataramanan 4885153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 4895153a18eSAnirudh Venkataramanan clear_bit(vsi->rxq_map[i], pf->avail_rxqs); 4905153a18eSAnirudh Venkataramanan vsi->rxq_map[i] = ICE_INVAL_Q_INDEX; 4915153a18eSAnirudh Venkataramanan } 4925153a18eSAnirudh Venkataramanan 4935153a18eSAnirudh Venkataramanan mutex_unlock(&pf->avail_q_mutex); 4945153a18eSAnirudh Venkataramanan } 4955153a18eSAnirudh Venkataramanan 4965153a18eSAnirudh Venkataramanan /** 497462acf6aSTony Nguyen * ice_is_safe_mode 498462acf6aSTony Nguyen * @pf: pointer to the PF struct 499462acf6aSTony Nguyen * 500462acf6aSTony Nguyen * returns true if driver is in safe mode, false otherwise 501462acf6aSTony Nguyen */ 502462acf6aSTony Nguyen bool ice_is_safe_mode(struct ice_pf *pf) 503462acf6aSTony Nguyen { 504462acf6aSTony Nguyen return !test_bit(ICE_FLAG_ADV_FEATURES, pf->flags); 505462acf6aSTony Nguyen } 506462acf6aSTony Nguyen 507462acf6aSTony Nguyen /** 5082c61054cSTony Nguyen * ice_vsi_clean_rss_flow_fld - Delete RSS configuration 5092c61054cSTony Nguyen * @vsi: the VSI being cleaned up 5102c61054cSTony Nguyen * 5112c61054cSTony Nguyen * This function deletes RSS input set for all flows that were configured 5122c61054cSTony Nguyen * for this VSI 5132c61054cSTony Nguyen */ 5142c61054cSTony Nguyen static void ice_vsi_clean_rss_flow_fld(struct ice_vsi *vsi) 5152c61054cSTony Nguyen { 5162c61054cSTony Nguyen struct ice_pf *pf = vsi->back; 5172c61054cSTony Nguyen enum ice_status status; 5182c61054cSTony Nguyen 5192c61054cSTony Nguyen if (ice_is_safe_mode(pf)) 5202c61054cSTony Nguyen return; 5212c61054cSTony Nguyen 5222c61054cSTony Nguyen status = ice_rem_vsi_rss_cfg(&pf->hw, vsi->idx); 5232c61054cSTony Nguyen if (status) 5240fee3577SLihong Yang dev_dbg(ice_pf_to_dev(pf), "ice_rem_vsi_rss_cfg failed for vsi = %d, error = %s\n", 5250fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 5262c61054cSTony Nguyen } 5272c61054cSTony Nguyen 5282c61054cSTony Nguyen /** 5292c61054cSTony Nguyen * ice_rss_clean - Delete RSS related VSI structures and configuration 530df0f8479SAnirudh Venkataramanan * @vsi: the VSI being removed 531df0f8479SAnirudh Venkataramanan */ 532df0f8479SAnirudh Venkataramanan static void ice_rss_clean(struct ice_vsi *vsi) 533df0f8479SAnirudh Venkataramanan { 5344015d11eSBrett Creeley struct ice_pf *pf = vsi->back; 5354015d11eSBrett Creeley struct device *dev; 536df0f8479SAnirudh Venkataramanan 5374015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 538df0f8479SAnirudh Venkataramanan 539df0f8479SAnirudh Venkataramanan if (vsi->rss_hkey_user) 5404015d11eSBrett Creeley devm_kfree(dev, vsi->rss_hkey_user); 541df0f8479SAnirudh Venkataramanan if (vsi->rss_lut_user) 5424015d11eSBrett Creeley devm_kfree(dev, vsi->rss_lut_user); 5432c61054cSTony Nguyen 5442c61054cSTony Nguyen ice_vsi_clean_rss_flow_fld(vsi); 5452c61054cSTony Nguyen /* remove RSS replay list */ 5462c61054cSTony Nguyen if (!ice_is_safe_mode(pf)) 5472c61054cSTony Nguyen ice_rem_vsi_rss_list(&pf->hw, vsi->idx); 548df0f8479SAnirudh Venkataramanan } 549df0f8479SAnirudh Venkataramanan 550df0f8479SAnirudh Venkataramanan /** 55128c2a645SAnirudh Venkataramanan * ice_vsi_set_rss_params - Setup RSS capabilities per VSI type 55228c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 55328c2a645SAnirudh Venkataramanan */ 55437bb8390SAnirudh Venkataramanan static void ice_vsi_set_rss_params(struct ice_vsi *vsi) 55528c2a645SAnirudh Venkataramanan { 55628c2a645SAnirudh Venkataramanan struct ice_hw_common_caps *cap; 55728c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 55828c2a645SAnirudh Venkataramanan 55928c2a645SAnirudh Venkataramanan if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 56028c2a645SAnirudh Venkataramanan vsi->rss_size = 1; 56128c2a645SAnirudh Venkataramanan return; 56228c2a645SAnirudh Venkataramanan } 56328c2a645SAnirudh Venkataramanan 56428c2a645SAnirudh Venkataramanan cap = &pf->hw.func_caps.common_cap; 56528c2a645SAnirudh Venkataramanan switch (vsi->type) { 56628c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 56728c2a645SAnirudh Venkataramanan /* PF VSI will inherit RSS instance of PF */ 56828c2a645SAnirudh Venkataramanan vsi->rss_table_size = cap->rss_table_size; 56928c2a645SAnirudh Venkataramanan vsi->rss_size = min_t(int, num_online_cpus(), 57028c2a645SAnirudh Venkataramanan BIT(cap->rss_table_entry_width)); 57128c2a645SAnirudh Venkataramanan vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF; 57228c2a645SAnirudh Venkataramanan break; 5738ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 5740ca469fbSMitch Williams /* VF VSI will get a small RSS table. 5750ca469fbSMitch Williams * For VSI_LUT, LUT size should be set to 64 bytes. 5768ede0178SAnirudh Venkataramanan */ 5778ede0178SAnirudh Venkataramanan vsi->rss_table_size = ICE_VSIQF_HLUT_ARRAY_SIZE; 5780ca469fbSMitch Williams vsi->rss_size = ICE_MAX_RSS_QS_PER_VF; 5798ede0178SAnirudh Venkataramanan vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI; 5808ede0178SAnirudh Venkataramanan break; 5810e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 5820e674aebSAnirudh Venkataramanan break; 58328c2a645SAnirudh Venkataramanan default: 5844015d11eSBrett Creeley dev_warn(ice_pf_to_dev(pf), "Unknown VSI type %d\n", 58528c2a645SAnirudh Venkataramanan vsi->type); 58628c2a645SAnirudh Venkataramanan break; 58728c2a645SAnirudh Venkataramanan } 58828c2a645SAnirudh Venkataramanan } 58928c2a645SAnirudh Venkataramanan 59028c2a645SAnirudh Venkataramanan /** 59128c2a645SAnirudh Venkataramanan * ice_set_dflt_vsi_ctx - Set default VSI context before adding a VSI 59228c2a645SAnirudh Venkataramanan * @ctxt: the VSI context being set 59328c2a645SAnirudh Venkataramanan * 59428c2a645SAnirudh Venkataramanan * This initializes a default VSI context for all sections except the Queues. 59528c2a645SAnirudh Venkataramanan */ 59628c2a645SAnirudh Venkataramanan static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt) 59728c2a645SAnirudh Venkataramanan { 59828c2a645SAnirudh Venkataramanan u32 table = 0; 59928c2a645SAnirudh Venkataramanan 60028c2a645SAnirudh Venkataramanan memset(&ctxt->info, 0, sizeof(ctxt->info)); 60128c2a645SAnirudh Venkataramanan /* VSI's should be allocated from shared pool */ 60228c2a645SAnirudh Venkataramanan ctxt->alloc_from_pool = true; 60328c2a645SAnirudh Venkataramanan /* Src pruning enabled by default */ 60428c2a645SAnirudh Venkataramanan ctxt->info.sw_flags = ICE_AQ_VSI_SW_FLAG_SRC_PRUNE; 60528c2a645SAnirudh Venkataramanan /* Traffic from VSI can be sent to LAN */ 60628c2a645SAnirudh Venkataramanan ctxt->info.sw_flags2 = ICE_AQ_VSI_SW_FLAG_LAN_ENA; 60728c2a645SAnirudh Venkataramanan /* By default bits 3 and 4 in vlan_flags are 0's which results in legacy 60828c2a645SAnirudh Venkataramanan * behavior (show VLAN, DEI, and UP) in descriptor. Also, allow all 60928c2a645SAnirudh Venkataramanan * packets untagged/tagged. 61028c2a645SAnirudh Venkataramanan */ 61128c2a645SAnirudh Venkataramanan ctxt->info.vlan_flags = ((ICE_AQ_VSI_VLAN_MODE_ALL & 61228c2a645SAnirudh Venkataramanan ICE_AQ_VSI_VLAN_MODE_M) >> 61328c2a645SAnirudh Venkataramanan ICE_AQ_VSI_VLAN_MODE_S); 61428c2a645SAnirudh Venkataramanan /* Have 1:1 UP mapping for both ingress/egress tables */ 61528c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(0, 0); 61628c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(1, 1); 61728c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(2, 2); 61828c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(3, 3); 61928c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(4, 4); 62028c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(5, 5); 62128c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(6, 6); 62228c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(7, 7); 62328c2a645SAnirudh Venkataramanan ctxt->info.ingress_table = cpu_to_le32(table); 62428c2a645SAnirudh Venkataramanan ctxt->info.egress_table = cpu_to_le32(table); 62528c2a645SAnirudh Venkataramanan /* Have 1:1 UP mapping for outer to inner UP table */ 62628c2a645SAnirudh Venkataramanan ctxt->info.outer_up_table = cpu_to_le32(table); 62728c2a645SAnirudh Venkataramanan /* No Outer tag support outer_tag_flags remains to zero */ 62828c2a645SAnirudh Venkataramanan } 62928c2a645SAnirudh Venkataramanan 63028c2a645SAnirudh Venkataramanan /** 63128c2a645SAnirudh Venkataramanan * ice_vsi_setup_q_map - Setup a VSI queue map 63228c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 63328c2a645SAnirudh Venkataramanan * @ctxt: VSI context structure 63428c2a645SAnirudh Venkataramanan */ 63528c2a645SAnirudh Venkataramanan static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) 63628c2a645SAnirudh Venkataramanan { 637c5a2a4a3SUsha Ketineni u16 offset = 0, qmap = 0, tx_count = 0; 63828c2a645SAnirudh Venkataramanan u16 qcount_tx = vsi->alloc_txq; 63928c2a645SAnirudh Venkataramanan u16 qcount_rx = vsi->alloc_rxq; 640c5a2a4a3SUsha Ketineni u16 tx_numq_tc, rx_numq_tc; 641c5a2a4a3SUsha Ketineni u16 pow = 0, max_rss = 0; 64228c2a645SAnirudh Venkataramanan bool ena_tc0 = false; 643c5a2a4a3SUsha Ketineni u8 netdev_tc = 0; 64428c2a645SAnirudh Venkataramanan int i; 64528c2a645SAnirudh Venkataramanan 64628c2a645SAnirudh Venkataramanan /* at least TC0 should be enabled by default */ 64728c2a645SAnirudh Venkataramanan if (vsi->tc_cfg.numtc) { 64828c2a645SAnirudh Venkataramanan if (!(vsi->tc_cfg.ena_tc & BIT(0))) 64928c2a645SAnirudh Venkataramanan ena_tc0 = true; 65028c2a645SAnirudh Venkataramanan } else { 65128c2a645SAnirudh Venkataramanan ena_tc0 = true; 65228c2a645SAnirudh Venkataramanan } 65328c2a645SAnirudh Venkataramanan 65428c2a645SAnirudh Venkataramanan if (ena_tc0) { 65528c2a645SAnirudh Venkataramanan vsi->tc_cfg.numtc++; 65628c2a645SAnirudh Venkataramanan vsi->tc_cfg.ena_tc |= 1; 65728c2a645SAnirudh Venkataramanan } 65828c2a645SAnirudh Venkataramanan 659c5a2a4a3SUsha Ketineni rx_numq_tc = qcount_rx / vsi->tc_cfg.numtc; 660c5a2a4a3SUsha Ketineni if (!rx_numq_tc) 661c5a2a4a3SUsha Ketineni rx_numq_tc = 1; 662c5a2a4a3SUsha Ketineni tx_numq_tc = qcount_tx / vsi->tc_cfg.numtc; 663c5a2a4a3SUsha Ketineni if (!tx_numq_tc) 664c5a2a4a3SUsha Ketineni tx_numq_tc = 1; 66528c2a645SAnirudh Venkataramanan 66628c2a645SAnirudh Venkataramanan /* TC mapping is a function of the number of Rx queues assigned to the 66728c2a645SAnirudh Venkataramanan * VSI for each traffic class and the offset of these queues. 66828c2a645SAnirudh Venkataramanan * The first 10 bits are for queue offset for TC0, next 4 bits for no:of 66928c2a645SAnirudh Venkataramanan * queues allocated to TC0. No:of queues is a power-of-2. 67028c2a645SAnirudh Venkataramanan * 67128c2a645SAnirudh Venkataramanan * If TC is not enabled, the queue offset is set to 0, and allocate one 67228c2a645SAnirudh Venkataramanan * queue, this way, traffic for the given TC will be sent to the default 67328c2a645SAnirudh Venkataramanan * queue. 67428c2a645SAnirudh Venkataramanan * 67528c2a645SAnirudh Venkataramanan * Setup number and offset of Rx queues for all TCs for the VSI 67628c2a645SAnirudh Venkataramanan */ 67728c2a645SAnirudh Venkataramanan 678c5a2a4a3SUsha Ketineni qcount_rx = rx_numq_tc; 679c5a2a4a3SUsha Ketineni 68028c2a645SAnirudh Venkataramanan /* qcount will change if RSS is enabled */ 68128c2a645SAnirudh Venkataramanan if (test_bit(ICE_FLAG_RSS_ENA, vsi->back->flags)) { 6828ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF || vsi->type == ICE_VSI_VF) { 68328c2a645SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) 68428c2a645SAnirudh Venkataramanan max_rss = ICE_MAX_LG_RSS_QS; 68528c2a645SAnirudh Venkataramanan else 6860ca469fbSMitch Williams max_rss = ICE_MAX_RSS_QS_PER_VF; 687c5a2a4a3SUsha Ketineni qcount_rx = min_t(int, rx_numq_tc, max_rss); 68887324e74SHenry Tieman if (!vsi->req_rxq) 68987324e74SHenry Tieman qcount_rx = min_t(int, qcount_rx, 69087324e74SHenry Tieman vsi->rss_size); 6918ede0178SAnirudh Venkataramanan } 69228c2a645SAnirudh Venkataramanan } 69328c2a645SAnirudh Venkataramanan 69428c2a645SAnirudh Venkataramanan /* find the (rounded up) power-of-2 of qcount */ 695c5a2a4a3SUsha Ketineni pow = order_base_2(qcount_rx); 69628c2a645SAnirudh Venkataramanan 6972bdc97beSBruce Allan ice_for_each_traffic_class(i) { 69828c2a645SAnirudh Venkataramanan if (!(vsi->tc_cfg.ena_tc & BIT(i))) { 69928c2a645SAnirudh Venkataramanan /* TC is not enabled */ 70028c2a645SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qoffset = 0; 701c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_rx = 1; 702c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_tx = 1; 703c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].netdev_tc = 0; 70428c2a645SAnirudh Venkataramanan ctxt->info.tc_mapping[i] = 0; 70528c2a645SAnirudh Venkataramanan continue; 70628c2a645SAnirudh Venkataramanan } 70728c2a645SAnirudh Venkataramanan 70828c2a645SAnirudh Venkataramanan /* TC is enabled */ 70928c2a645SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qoffset = offset; 710c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_rx = qcount_rx; 711c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_tx = tx_numq_tc; 712c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].netdev_tc = netdev_tc++; 71328c2a645SAnirudh Venkataramanan 71428c2a645SAnirudh Venkataramanan qmap = ((offset << ICE_AQ_VSI_TC_Q_OFFSET_S) & 71528c2a645SAnirudh Venkataramanan ICE_AQ_VSI_TC_Q_OFFSET_M) | 71628c2a645SAnirudh Venkataramanan ((pow << ICE_AQ_VSI_TC_Q_NUM_S) & 71728c2a645SAnirudh Venkataramanan ICE_AQ_VSI_TC_Q_NUM_M); 718c5a2a4a3SUsha Ketineni offset += qcount_rx; 719c5a2a4a3SUsha Ketineni tx_count += tx_numq_tc; 72028c2a645SAnirudh Venkataramanan ctxt->info.tc_mapping[i] = cpu_to_le16(qmap); 72128c2a645SAnirudh Venkataramanan } 72260dcc39eSKiran Patil 72360dcc39eSKiran Patil /* if offset is non-zero, means it is calculated correctly based on 72460dcc39eSKiran Patil * enabled TCs for a given VSI otherwise qcount_rx will always 72560dcc39eSKiran Patil * be correct and non-zero because it is based off - VSI's 72660dcc39eSKiran Patil * allocated Rx queues which is at least 1 (hence qcount_tx will be 72760dcc39eSKiran Patil * at least 1) 72860dcc39eSKiran Patil */ 72960dcc39eSKiran Patil if (offset) 73028c2a645SAnirudh Venkataramanan vsi->num_rxq = offset; 73160dcc39eSKiran Patil else 73260dcc39eSKiran Patil vsi->num_rxq = qcount_rx; 73360dcc39eSKiran Patil 734c5a2a4a3SUsha Ketineni vsi->num_txq = tx_count; 73528c2a645SAnirudh Venkataramanan 7368ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF && vsi->num_txq != vsi->num_rxq) { 7379a946843SAnirudh 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"); 7388ede0178SAnirudh Venkataramanan /* since there is a chance that num_rxq could have been changed 7398ede0178SAnirudh Venkataramanan * in the above for loop, make num_txq equal to num_rxq. 7408ede0178SAnirudh Venkataramanan */ 7418ede0178SAnirudh Venkataramanan vsi->num_txq = vsi->num_rxq; 7428ede0178SAnirudh Venkataramanan } 7438ede0178SAnirudh Venkataramanan 74428c2a645SAnirudh Venkataramanan /* Rx queue mapping */ 74528c2a645SAnirudh Venkataramanan ctxt->info.mapping_flags |= cpu_to_le16(ICE_AQ_VSI_Q_MAP_CONTIG); 74628c2a645SAnirudh Venkataramanan /* q_mapping buffer holds the info for the first queue allocated for 74728c2a645SAnirudh Venkataramanan * this VSI in the PF space and also the number of queues associated 74828c2a645SAnirudh Venkataramanan * with this VSI. 74928c2a645SAnirudh Venkataramanan */ 75028c2a645SAnirudh Venkataramanan ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]); 75128c2a645SAnirudh Venkataramanan ctxt->info.q_mapping[1] = cpu_to_le16(vsi->num_rxq); 75228c2a645SAnirudh Venkataramanan } 75328c2a645SAnirudh Venkataramanan 75428c2a645SAnirudh Venkataramanan /** 75528c2a645SAnirudh Venkataramanan * ice_set_rss_vsi_ctx - Set RSS VSI context before adding a VSI 75628c2a645SAnirudh Venkataramanan * @ctxt: the VSI context being set 75728c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 75828c2a645SAnirudh Venkataramanan */ 75928c2a645SAnirudh Venkataramanan static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi) 76028c2a645SAnirudh Venkataramanan { 76128c2a645SAnirudh Venkataramanan u8 lut_type, hash_type; 7624015d11eSBrett Creeley struct device *dev; 763819d8998SJesse Brandeburg struct ice_pf *pf; 764819d8998SJesse Brandeburg 765819d8998SJesse Brandeburg pf = vsi->back; 7664015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 76728c2a645SAnirudh Venkataramanan 76828c2a645SAnirudh Venkataramanan switch (vsi->type) { 76928c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 77028c2a645SAnirudh Venkataramanan /* PF VSI will inherit RSS instance of PF */ 77128c2a645SAnirudh Venkataramanan lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_PF; 77228c2a645SAnirudh Venkataramanan hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ; 77328c2a645SAnirudh Venkataramanan break; 7748ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 7758ede0178SAnirudh Venkataramanan /* VF VSI will gets a small RSS table which is a VSI LUT type */ 7768ede0178SAnirudh Venkataramanan lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI; 7778ede0178SAnirudh Venkataramanan hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ; 7788ede0178SAnirudh Venkataramanan break; 7790e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 7804015d11eSBrett Creeley dev_dbg(dev, "Unsupported VSI type %s\n", 781964674f1SAnirudh Venkataramanan ice_vsi_type_str(vsi->type)); 7820e674aebSAnirudh Venkataramanan return; 78328c2a645SAnirudh Venkataramanan default: 7844015d11eSBrett Creeley dev_warn(dev, "Unknown VSI type %d\n", vsi->type); 78528c2a645SAnirudh Venkataramanan return; 78628c2a645SAnirudh Venkataramanan } 78728c2a645SAnirudh Venkataramanan 78828c2a645SAnirudh Venkataramanan ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) & 78928c2a645SAnirudh Venkataramanan ICE_AQ_VSI_Q_OPT_RSS_LUT_M) | 79028c2a645SAnirudh Venkataramanan ((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) & 79128c2a645SAnirudh Venkataramanan ICE_AQ_VSI_Q_OPT_RSS_HASH_M); 79228c2a645SAnirudh Venkataramanan } 79328c2a645SAnirudh Venkataramanan 79428c2a645SAnirudh Venkataramanan /** 79528c2a645SAnirudh Venkataramanan * ice_vsi_init - Create and initialize a VSI 79628c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 79787324e74SHenry Tieman * @init_vsi: is this call creating a VSI 79828c2a645SAnirudh Venkataramanan * 79928c2a645SAnirudh Venkataramanan * This initializes a VSI context depending on the VSI type to be added and 80028c2a645SAnirudh Venkataramanan * passes it down to the add_vsi aq command to create a new VSI. 80128c2a645SAnirudh Venkataramanan */ 80287324e74SHenry Tieman static int ice_vsi_init(struct ice_vsi *vsi, bool init_vsi) 80328c2a645SAnirudh Venkataramanan { 80428c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 80528c2a645SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 806198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 80787324e74SHenry Tieman struct device *dev; 80828c2a645SAnirudh Venkataramanan int ret = 0; 80928c2a645SAnirudh Venkataramanan 81087324e74SHenry Tieman dev = ice_pf_to_dev(pf); 8119efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 812198a666aSBruce Allan if (!ctxt) 813198a666aSBruce Allan return -ENOMEM; 814198a666aSBruce Allan 815cb93a952SAkeem G Abodunrin ctxt->info = vsi->info; 81628c2a645SAnirudh Venkataramanan switch (vsi->type) { 8170e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 81828c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 819198a666aSBruce Allan ctxt->flags = ICE_AQ_VSI_TYPE_PF; 82028c2a645SAnirudh Venkataramanan break; 8218ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 822198a666aSBruce Allan ctxt->flags = ICE_AQ_VSI_TYPE_VF; 8238ede0178SAnirudh Venkataramanan /* VF number here is the absolute VF number (0-255) */ 824198a666aSBruce Allan ctxt->vf_num = vsi->vf_id + hw->func_caps.vf_base_id; 8258ede0178SAnirudh Venkataramanan break; 82628c2a645SAnirudh Venkataramanan default: 8279efe35d0STony Nguyen ret = -ENODEV; 8289efe35d0STony Nguyen goto out; 82928c2a645SAnirudh Venkataramanan } 83028c2a645SAnirudh Venkataramanan 831198a666aSBruce Allan ice_set_dflt_vsi_ctx(ctxt); 83228c2a645SAnirudh Venkataramanan /* if the switch is in VEB mode, allow VSI loopback */ 83328c2a645SAnirudh Venkataramanan if (vsi->vsw->bridge_mode == BRIDGE_MODE_VEB) 834198a666aSBruce Allan ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB; 83528c2a645SAnirudh Venkataramanan 83628c2a645SAnirudh Venkataramanan /* Set LUT type and HASH type if RSS is enabled */ 83787324e74SHenry Tieman if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 838198a666aSBruce Allan ice_set_rss_vsi_ctx(ctxt, vsi); 83987324e74SHenry Tieman /* if updating VSI context, make sure to set valid_section: 84087324e74SHenry Tieman * to indicate which section of VSI context being updated 84187324e74SHenry Tieman */ 84287324e74SHenry Tieman if (!init_vsi) 84387324e74SHenry Tieman ctxt->info.valid_sections |= 84487324e74SHenry Tieman cpu_to_le16(ICE_AQ_VSI_PROP_Q_OPT_VALID); 84587324e74SHenry Tieman } 84628c2a645SAnirudh Venkataramanan 847198a666aSBruce Allan ctxt->info.sw_id = vsi->port_info->sw_id; 848198a666aSBruce Allan ice_vsi_setup_q_map(vsi, ctxt); 84987324e74SHenry Tieman if (!init_vsi) /* means VSI being updated */ 85087324e74SHenry Tieman /* must to indicate which section of VSI context are 85187324e74SHenry Tieman * being modified 85287324e74SHenry Tieman */ 85387324e74SHenry Tieman ctxt->info.valid_sections |= 85487324e74SHenry Tieman cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID); 85528c2a645SAnirudh Venkataramanan 856cd6d6b83SBrett Creeley /* enable/disable MAC and VLAN anti-spoof when spoofchk is on/off 857cd6d6b83SBrett Creeley * respectively 858cd6d6b83SBrett Creeley */ 859cd6d6b83SBrett Creeley if (vsi->type == ICE_VSI_VF) { 860cb93a952SAkeem G Abodunrin ctxt->info.valid_sections |= 861cb93a952SAkeem G Abodunrin cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); 862cd6d6b83SBrett Creeley if (pf->vf[vsi->vf_id].spoofchk) { 863cb93a952SAkeem G Abodunrin ctxt->info.sec_flags |= 864cd6d6b83SBrett Creeley ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF | 865cd6d6b83SBrett Creeley (ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 866cd6d6b83SBrett Creeley ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S); 867cd6d6b83SBrett Creeley } else { 868cd6d6b83SBrett Creeley ctxt->info.sec_flags &= 869cd6d6b83SBrett Creeley ~(ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF | 870cd6d6b83SBrett Creeley (ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 871cd6d6b83SBrett Creeley ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S)); 872cd6d6b83SBrett Creeley } 873cb93a952SAkeem G Abodunrin } 874cb93a952SAkeem G Abodunrin 8750c3a6101SDave Ertman /* Allow control frames out of main VSI */ 8760c3a6101SDave Ertman if (vsi->type == ICE_VSI_PF) { 8770c3a6101SDave Ertman ctxt->info.sec_flags |= ICE_AQ_VSI_SEC_FLAG_ALLOW_DEST_OVRD; 8780c3a6101SDave Ertman ctxt->info.valid_sections |= 8790c3a6101SDave Ertman cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); 8800c3a6101SDave Ertman } 8810c3a6101SDave Ertman 88287324e74SHenry Tieman if (init_vsi) { 883198a666aSBruce Allan ret = ice_add_vsi(hw, vsi->idx, ctxt, NULL); 88428c2a645SAnirudh Venkataramanan if (ret) { 88587324e74SHenry Tieman dev_err(dev, "Add VSI failed, err %d\n", ret); 8869efe35d0STony Nguyen ret = -EIO; 8879efe35d0STony Nguyen goto out; 88828c2a645SAnirudh Venkataramanan } 88987324e74SHenry Tieman } else { 89087324e74SHenry Tieman ret = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 89187324e74SHenry Tieman if (ret) { 89287324e74SHenry Tieman dev_err(dev, "Update VSI failed, err %d\n", ret); 89387324e74SHenry Tieman ret = -EIO; 89487324e74SHenry Tieman goto out; 89587324e74SHenry Tieman } 89687324e74SHenry Tieman } 89728c2a645SAnirudh Venkataramanan 89828c2a645SAnirudh Venkataramanan /* keep context for update VSI operations */ 899198a666aSBruce Allan vsi->info = ctxt->info; 90028c2a645SAnirudh Venkataramanan 90128c2a645SAnirudh Venkataramanan /* record VSI number returned */ 902198a666aSBruce Allan vsi->vsi_num = ctxt->vsi_num; 90328c2a645SAnirudh Venkataramanan 9049efe35d0STony Nguyen out: 9059efe35d0STony Nguyen kfree(ctxt); 90628c2a645SAnirudh Venkataramanan return ret; 90728c2a645SAnirudh Venkataramanan } 90828c2a645SAnirudh Venkataramanan 90928c2a645SAnirudh Venkataramanan /** 91046c276ceSBrett Creeley * ice_free_res - free a block of resources 91146c276ceSBrett Creeley * @res: pointer to the resource 91246c276ceSBrett Creeley * @index: starting index previously returned by ice_get_res 91346c276ceSBrett Creeley * @id: identifier to track owner 91446c276ceSBrett Creeley * 91546c276ceSBrett Creeley * Returns number of resources freed 91646c276ceSBrett Creeley */ 91746c276ceSBrett Creeley int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id) 91846c276ceSBrett Creeley { 91946c276ceSBrett Creeley int count = 0; 92046c276ceSBrett Creeley int i; 92146c276ceSBrett Creeley 92246c276ceSBrett Creeley if (!res || index >= res->end) 92346c276ceSBrett Creeley return -EINVAL; 92446c276ceSBrett Creeley 92546c276ceSBrett Creeley id |= ICE_RES_VALID_BIT; 92646c276ceSBrett Creeley for (i = index; i < res->end && res->list[i] == id; i++) { 92746c276ceSBrett Creeley res->list[i] = 0; 92846c276ceSBrett Creeley count++; 92946c276ceSBrett Creeley } 93046c276ceSBrett Creeley 93146c276ceSBrett Creeley return count; 93246c276ceSBrett Creeley } 93346c276ceSBrett Creeley 93446c276ceSBrett Creeley /** 93546c276ceSBrett Creeley * ice_search_res - Search the tracker for a block of resources 93646c276ceSBrett Creeley * @res: pointer to the resource 93746c276ceSBrett Creeley * @needed: size of the block needed 93846c276ceSBrett Creeley * @id: identifier to track owner 93946c276ceSBrett Creeley * 94046c276ceSBrett Creeley * Returns the base item index of the block, or -ENOMEM for error 94146c276ceSBrett Creeley */ 94246c276ceSBrett Creeley static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id) 94346c276ceSBrett Creeley { 94446c276ceSBrett Creeley int start = 0, end = 0; 94546c276ceSBrett Creeley 94646c276ceSBrett Creeley if (needed > res->end) 94746c276ceSBrett Creeley return -ENOMEM; 94846c276ceSBrett Creeley 94946c276ceSBrett Creeley id |= ICE_RES_VALID_BIT; 95046c276ceSBrett Creeley 95146c276ceSBrett Creeley do { 95246c276ceSBrett Creeley /* skip already allocated entries */ 95346c276ceSBrett Creeley if (res->list[end++] & ICE_RES_VALID_BIT) { 95446c276ceSBrett Creeley start = end; 95546c276ceSBrett Creeley if ((start + needed) > res->end) 95646c276ceSBrett Creeley break; 95746c276ceSBrett Creeley } 95846c276ceSBrett Creeley 95946c276ceSBrett Creeley if (end == (start + needed)) { 96046c276ceSBrett Creeley int i = start; 96146c276ceSBrett Creeley 96246c276ceSBrett Creeley /* there was enough, so assign it to the requestor */ 96346c276ceSBrett Creeley while (i != end) 96446c276ceSBrett Creeley res->list[i++] = id; 96546c276ceSBrett Creeley 96646c276ceSBrett Creeley return start; 96746c276ceSBrett Creeley } 96846c276ceSBrett Creeley } while (end < res->end); 96946c276ceSBrett Creeley 97046c276ceSBrett Creeley return -ENOMEM; 97146c276ceSBrett Creeley } 97246c276ceSBrett Creeley 97346c276ceSBrett Creeley /** 97446c276ceSBrett Creeley * ice_get_free_res_count - Get free count from a resource tracker 97546c276ceSBrett Creeley * @res: Resource tracker instance 97646c276ceSBrett Creeley */ 97746c276ceSBrett Creeley static u16 ice_get_free_res_count(struct ice_res_tracker *res) 97846c276ceSBrett Creeley { 97946c276ceSBrett Creeley u16 i, count = 0; 98046c276ceSBrett Creeley 98146c276ceSBrett Creeley for (i = 0; i < res->end; i++) 98246c276ceSBrett Creeley if (!(res->list[i] & ICE_RES_VALID_BIT)) 98346c276ceSBrett Creeley count++; 98446c276ceSBrett Creeley 98546c276ceSBrett Creeley return count; 98646c276ceSBrett Creeley } 98746c276ceSBrett Creeley 98846c276ceSBrett Creeley /** 98946c276ceSBrett Creeley * ice_get_res - get a block of resources 99046c276ceSBrett Creeley * @pf: board private structure 99146c276ceSBrett Creeley * @res: pointer to the resource 99246c276ceSBrett Creeley * @needed: size of the block needed 99346c276ceSBrett Creeley * @id: identifier to track owner 99446c276ceSBrett Creeley * 99546c276ceSBrett Creeley * Returns the base item index of the block, or negative for error 99646c276ceSBrett Creeley */ 99746c276ceSBrett Creeley int 99846c276ceSBrett Creeley ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id) 99946c276ceSBrett Creeley { 100046c276ceSBrett Creeley if (!res || !pf) 100146c276ceSBrett Creeley return -EINVAL; 100246c276ceSBrett Creeley 100346c276ceSBrett Creeley if (!needed || needed > res->num_entries || id >= ICE_RES_VALID_BIT) { 100446c276ceSBrett Creeley dev_err(ice_pf_to_dev(pf), "param err: needed=%d, num_entries = %d id=0x%04x\n", 100546c276ceSBrett Creeley needed, res->num_entries, id); 100646c276ceSBrett Creeley return -EINVAL; 100746c276ceSBrett Creeley } 100846c276ceSBrett Creeley 100946c276ceSBrett Creeley return ice_search_res(res, needed, id); 101046c276ceSBrett Creeley } 101146c276ceSBrett Creeley 101246c276ceSBrett Creeley /** 1013df0f8479SAnirudh Venkataramanan * ice_vsi_setup_vector_base - Set up the base vector for the given VSI 1014df0f8479SAnirudh Venkataramanan * @vsi: ptr to the VSI 1015df0f8479SAnirudh Venkataramanan * 1016df0f8479SAnirudh Venkataramanan * This should only be called after ice_vsi_alloc() which allocates the 1017df0f8479SAnirudh Venkataramanan * corresponding SW VSI structure and initializes num_queue_pairs for the 1018df0f8479SAnirudh Venkataramanan * newly allocated VSI. 1019df0f8479SAnirudh Venkataramanan * 1020df0f8479SAnirudh Venkataramanan * Returns 0 on success or negative on failure 1021df0f8479SAnirudh Venkataramanan */ 102237bb8390SAnirudh Venkataramanan static int ice_vsi_setup_vector_base(struct ice_vsi *vsi) 1023df0f8479SAnirudh Venkataramanan { 1024df0f8479SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 10254015d11eSBrett Creeley struct device *dev; 1026cbe66bfeSBrett Creeley u16 num_q_vectors; 1027df0f8479SAnirudh Venkataramanan 10284015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 1029cbe66bfeSBrett Creeley /* SRIOV doesn't grab irq_tracker entries for each VSI */ 1030cbe66bfeSBrett Creeley if (vsi->type == ICE_VSI_VF) 1031cbe66bfeSBrett Creeley return 0; 1032cbe66bfeSBrett Creeley 1033cbe66bfeSBrett Creeley if (vsi->base_vector) { 10344015d11eSBrett Creeley dev_dbg(dev, "VSI %d has non-zero base vector %d\n", 1035cbe66bfeSBrett Creeley vsi->vsi_num, vsi->base_vector); 1036df0f8479SAnirudh Venkataramanan return -EEXIST; 1037df0f8479SAnirudh Venkataramanan } 1038df0f8479SAnirudh Venkataramanan 1039df0f8479SAnirudh Venkataramanan num_q_vectors = vsi->num_q_vectors; 1040eb0208ecSPreethi Banala /* reserve slots from OS requested IRQs */ 1041cbe66bfeSBrett Creeley vsi->base_vector = ice_get_res(pf, pf->irq_tracker, num_q_vectors, 1042cbe66bfeSBrett Creeley vsi->idx); 1043cbe66bfeSBrett Creeley if (vsi->base_vector < 0) { 104446c276ceSBrett Creeley dev_err(dev, "%d MSI-X interrupts available. %s %d failed to get %d MSI-X vectors\n", 104546c276ceSBrett Creeley ice_get_free_res_count(pf->irq_tracker), 104646c276ceSBrett Creeley ice_vsi_type_str(vsi->type), vsi->idx, num_q_vectors); 1047eb0208ecSPreethi Banala return -ENOENT; 1048eb0208ecSPreethi Banala } 1049eb0208ecSPreethi Banala pf->num_avail_sw_msix -= num_q_vectors; 1050eb0208ecSPreethi Banala 1051df0f8479SAnirudh Venkataramanan return 0; 1052df0f8479SAnirudh Venkataramanan } 1053df0f8479SAnirudh Venkataramanan 1054df0f8479SAnirudh Venkataramanan /** 105528c2a645SAnirudh Venkataramanan * ice_vsi_clear_rings - Deallocates the Tx and Rx rings for VSI 105628c2a645SAnirudh Venkataramanan * @vsi: the VSI having rings deallocated 105728c2a645SAnirudh Venkataramanan */ 1058df0f8479SAnirudh Venkataramanan static void ice_vsi_clear_rings(struct ice_vsi *vsi) 105928c2a645SAnirudh Venkataramanan { 106028c2a645SAnirudh Venkataramanan int i; 106128c2a645SAnirudh Venkataramanan 106228c2a645SAnirudh Venkataramanan if (vsi->tx_rings) { 106328c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 106428c2a645SAnirudh Venkataramanan if (vsi->tx_rings[i]) { 106528c2a645SAnirudh Venkataramanan kfree_rcu(vsi->tx_rings[i], rcu); 106628c2a645SAnirudh Venkataramanan vsi->tx_rings[i] = NULL; 106728c2a645SAnirudh Venkataramanan } 106828c2a645SAnirudh Venkataramanan } 106928c2a645SAnirudh Venkataramanan } 107028c2a645SAnirudh Venkataramanan if (vsi->rx_rings) { 107128c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 107228c2a645SAnirudh Venkataramanan if (vsi->rx_rings[i]) { 107328c2a645SAnirudh Venkataramanan kfree_rcu(vsi->rx_rings[i], rcu); 107428c2a645SAnirudh Venkataramanan vsi->rx_rings[i] = NULL; 107528c2a645SAnirudh Venkataramanan } 107628c2a645SAnirudh Venkataramanan } 107728c2a645SAnirudh Venkataramanan } 107828c2a645SAnirudh Venkataramanan } 107928c2a645SAnirudh Venkataramanan 108028c2a645SAnirudh Venkataramanan /** 108128c2a645SAnirudh Venkataramanan * ice_vsi_alloc_rings - Allocates Tx and Rx rings for the VSI 108228c2a645SAnirudh Venkataramanan * @vsi: VSI which is having rings allocated 108328c2a645SAnirudh Venkataramanan */ 108437bb8390SAnirudh Venkataramanan static int ice_vsi_alloc_rings(struct ice_vsi *vsi) 108528c2a645SAnirudh Venkataramanan { 108628c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 10874015d11eSBrett Creeley struct device *dev; 108828c2a645SAnirudh Venkataramanan int i; 108928c2a645SAnirudh Venkataramanan 10904015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 1091d337f2afSAnirudh Venkataramanan /* Allocate Tx rings */ 109228c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 109328c2a645SAnirudh Venkataramanan struct ice_ring *ring; 109428c2a645SAnirudh Venkataramanan 109528c2a645SAnirudh Venkataramanan /* allocate with kzalloc(), free with kfree_rcu() */ 109628c2a645SAnirudh Venkataramanan ring = kzalloc(sizeof(*ring), GFP_KERNEL); 109728c2a645SAnirudh Venkataramanan 109828c2a645SAnirudh Venkataramanan if (!ring) 109928c2a645SAnirudh Venkataramanan goto err_out; 110028c2a645SAnirudh Venkataramanan 110128c2a645SAnirudh Venkataramanan ring->q_index = i; 110228c2a645SAnirudh Venkataramanan ring->reg_idx = vsi->txq_map[i]; 110328c2a645SAnirudh Venkataramanan ring->ring_active = false; 110428c2a645SAnirudh Venkataramanan ring->vsi = vsi; 11054015d11eSBrett Creeley ring->dev = dev; 1106ad71b256SBrett Creeley ring->count = vsi->num_tx_desc; 110728c2a645SAnirudh Venkataramanan vsi->tx_rings[i] = ring; 110828c2a645SAnirudh Venkataramanan } 110928c2a645SAnirudh Venkataramanan 1110d337f2afSAnirudh Venkataramanan /* Allocate Rx rings */ 111128c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 111228c2a645SAnirudh Venkataramanan struct ice_ring *ring; 111328c2a645SAnirudh Venkataramanan 111428c2a645SAnirudh Venkataramanan /* allocate with kzalloc(), free with kfree_rcu() */ 111528c2a645SAnirudh Venkataramanan ring = kzalloc(sizeof(*ring), GFP_KERNEL); 111628c2a645SAnirudh Venkataramanan if (!ring) 111728c2a645SAnirudh Venkataramanan goto err_out; 111828c2a645SAnirudh Venkataramanan 111928c2a645SAnirudh Venkataramanan ring->q_index = i; 112028c2a645SAnirudh Venkataramanan ring->reg_idx = vsi->rxq_map[i]; 112128c2a645SAnirudh Venkataramanan ring->ring_active = false; 112228c2a645SAnirudh Venkataramanan ring->vsi = vsi; 112328c2a645SAnirudh Venkataramanan ring->netdev = vsi->netdev; 11244015d11eSBrett Creeley ring->dev = dev; 1125ad71b256SBrett Creeley ring->count = vsi->num_rx_desc; 112628c2a645SAnirudh Venkataramanan vsi->rx_rings[i] = ring; 112728c2a645SAnirudh Venkataramanan } 112828c2a645SAnirudh Venkataramanan 112928c2a645SAnirudh Venkataramanan return 0; 113028c2a645SAnirudh Venkataramanan 113128c2a645SAnirudh Venkataramanan err_out: 113228c2a645SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 113328c2a645SAnirudh Venkataramanan return -ENOMEM; 113428c2a645SAnirudh Venkataramanan } 113528c2a645SAnirudh Venkataramanan 113628c2a645SAnirudh Venkataramanan /** 1137492af0abSMd Fahad Iqbal Polash * ice_vsi_manage_rss_lut - disable/enable RSS 1138492af0abSMd Fahad Iqbal Polash * @vsi: the VSI being changed 1139492af0abSMd Fahad Iqbal Polash * @ena: boolean value indicating if this is an enable or disable request 1140492af0abSMd Fahad Iqbal Polash * 1141492af0abSMd Fahad Iqbal Polash * In the event of disable request for RSS, this function will zero out RSS 1142492af0abSMd Fahad Iqbal Polash * LUT, while in the event of enable request for RSS, it will reconfigure RSS 1143492af0abSMd Fahad Iqbal Polash * LUT. 1144492af0abSMd Fahad Iqbal Polash */ 1145492af0abSMd Fahad Iqbal Polash int ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena) 1146492af0abSMd Fahad Iqbal Polash { 1147492af0abSMd Fahad Iqbal Polash int err = 0; 1148492af0abSMd Fahad Iqbal Polash u8 *lut; 1149492af0abSMd Fahad Iqbal Polash 11509efe35d0STony Nguyen lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 1151492af0abSMd Fahad Iqbal Polash if (!lut) 1152492af0abSMd Fahad Iqbal Polash return -ENOMEM; 1153492af0abSMd Fahad Iqbal Polash 1154492af0abSMd Fahad Iqbal Polash if (ena) { 1155492af0abSMd Fahad Iqbal Polash if (vsi->rss_lut_user) 1156492af0abSMd Fahad Iqbal Polash memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size); 1157492af0abSMd Fahad Iqbal Polash else 1158492af0abSMd Fahad Iqbal Polash ice_fill_rss_lut(lut, vsi->rss_table_size, 1159492af0abSMd Fahad Iqbal Polash vsi->rss_size); 1160492af0abSMd Fahad Iqbal Polash } 1161492af0abSMd Fahad Iqbal Polash 1162492af0abSMd Fahad Iqbal Polash err = ice_set_rss(vsi, NULL, lut, vsi->rss_table_size); 11639efe35d0STony Nguyen kfree(lut); 1164492af0abSMd Fahad Iqbal Polash return err; 1165492af0abSMd Fahad Iqbal Polash } 1166492af0abSMd Fahad Iqbal Polash 1167492af0abSMd Fahad Iqbal Polash /** 116837bb8390SAnirudh Venkataramanan * ice_vsi_cfg_rss_lut_key - Configure RSS params for a VSI 116937bb8390SAnirudh Venkataramanan * @vsi: VSI to be configured 117037bb8390SAnirudh Venkataramanan */ 117137bb8390SAnirudh Venkataramanan static int ice_vsi_cfg_rss_lut_key(struct ice_vsi *vsi) 117237bb8390SAnirudh Venkataramanan { 117337bb8390SAnirudh Venkataramanan struct ice_aqc_get_set_rss_keys *key; 117437bb8390SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 117537bb8390SAnirudh Venkataramanan enum ice_status status; 11764015d11eSBrett Creeley struct device *dev; 117737bb8390SAnirudh Venkataramanan int err = 0; 117837bb8390SAnirudh Venkataramanan u8 *lut; 117937bb8390SAnirudh Venkataramanan 11804015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 118137bb8390SAnirudh Venkataramanan vsi->rss_size = min_t(int, vsi->rss_size, vsi->num_rxq); 118237bb8390SAnirudh Venkataramanan 11839efe35d0STony Nguyen lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 118437bb8390SAnirudh Venkataramanan if (!lut) 118537bb8390SAnirudh Venkataramanan return -ENOMEM; 118637bb8390SAnirudh Venkataramanan 118737bb8390SAnirudh Venkataramanan if (vsi->rss_lut_user) 118837bb8390SAnirudh Venkataramanan memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size); 118937bb8390SAnirudh Venkataramanan else 119037bb8390SAnirudh Venkataramanan ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 119137bb8390SAnirudh Venkataramanan 11924fb33f31SAnirudh Venkataramanan status = ice_aq_set_rss_lut(&pf->hw, vsi->idx, vsi->rss_lut_type, lut, 11934fb33f31SAnirudh Venkataramanan vsi->rss_table_size); 119437bb8390SAnirudh Venkataramanan 119537bb8390SAnirudh Venkataramanan if (status) { 11960fee3577SLihong Yang dev_err(dev, "set_rss_lut failed, error %s\n", 11970fee3577SLihong Yang ice_stat_str(status)); 119837bb8390SAnirudh Venkataramanan err = -EIO; 119937bb8390SAnirudh Venkataramanan goto ice_vsi_cfg_rss_exit; 120037bb8390SAnirudh Venkataramanan } 120137bb8390SAnirudh Venkataramanan 12029efe35d0STony Nguyen key = kzalloc(sizeof(*key), GFP_KERNEL); 120337bb8390SAnirudh Venkataramanan if (!key) { 120437bb8390SAnirudh Venkataramanan err = -ENOMEM; 120537bb8390SAnirudh Venkataramanan goto ice_vsi_cfg_rss_exit; 120637bb8390SAnirudh Venkataramanan } 120737bb8390SAnirudh Venkataramanan 120837bb8390SAnirudh Venkataramanan if (vsi->rss_hkey_user) 1209b4b418b3SPaul Greenwalt memcpy(key, 1210b4b418b3SPaul Greenwalt (struct ice_aqc_get_set_rss_keys *)vsi->rss_hkey_user, 1211b4b418b3SPaul Greenwalt ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE); 121237bb8390SAnirudh Venkataramanan else 1213b4b418b3SPaul Greenwalt netdev_rss_key_fill((void *)key, 1214b4b418b3SPaul Greenwalt ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE); 121537bb8390SAnirudh Venkataramanan 12164fb33f31SAnirudh Venkataramanan status = ice_aq_set_rss_key(&pf->hw, vsi->idx, key); 121737bb8390SAnirudh Venkataramanan 121837bb8390SAnirudh Venkataramanan if (status) { 12190fee3577SLihong Yang dev_err(dev, "set_rss_key failed, error %s\n", 12200fee3577SLihong Yang ice_stat_str(status)); 122137bb8390SAnirudh Venkataramanan err = -EIO; 122237bb8390SAnirudh Venkataramanan } 122337bb8390SAnirudh Venkataramanan 12249efe35d0STony Nguyen kfree(key); 122537bb8390SAnirudh Venkataramanan ice_vsi_cfg_rss_exit: 12269efe35d0STony Nguyen kfree(lut); 122737bb8390SAnirudh Venkataramanan return err; 122837bb8390SAnirudh Venkataramanan } 122937bb8390SAnirudh Venkataramanan 123037bb8390SAnirudh Venkataramanan /** 12311c01c8c6SMd Fahad Iqbal Polash * ice_vsi_set_vf_rss_flow_fld - Sets VF VSI RSS input set for different flows 12321c01c8c6SMd Fahad Iqbal Polash * @vsi: VSI to be configured 12331c01c8c6SMd Fahad Iqbal Polash * 12341c01c8c6SMd Fahad Iqbal Polash * This function will only be called during the VF VSI setup. Upon successful 12351c01c8c6SMd Fahad Iqbal Polash * completion of package download, this function will configure default RSS 12361c01c8c6SMd Fahad Iqbal Polash * input sets for VF VSI. 12371c01c8c6SMd Fahad Iqbal Polash */ 12381c01c8c6SMd Fahad Iqbal Polash static void ice_vsi_set_vf_rss_flow_fld(struct ice_vsi *vsi) 12391c01c8c6SMd Fahad Iqbal Polash { 12401c01c8c6SMd Fahad Iqbal Polash struct ice_pf *pf = vsi->back; 12411c01c8c6SMd Fahad Iqbal Polash enum ice_status status; 12421c01c8c6SMd Fahad Iqbal Polash struct device *dev; 12431c01c8c6SMd Fahad Iqbal Polash 12441c01c8c6SMd Fahad Iqbal Polash dev = ice_pf_to_dev(pf); 12451c01c8c6SMd Fahad Iqbal Polash if (ice_is_safe_mode(pf)) { 12461c01c8c6SMd Fahad Iqbal Polash dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 12471c01c8c6SMd Fahad Iqbal Polash vsi->vsi_num); 12481c01c8c6SMd Fahad Iqbal Polash return; 12491c01c8c6SMd Fahad Iqbal Polash } 12501c01c8c6SMd Fahad Iqbal Polash 12511c01c8c6SMd Fahad Iqbal Polash status = ice_add_avf_rss_cfg(&pf->hw, vsi->idx, ICE_DEFAULT_RSS_HENA); 12521c01c8c6SMd Fahad Iqbal Polash if (status) 12530fee3577SLihong Yang dev_dbg(dev, "ice_add_avf_rss_cfg failed for vsi = %d, error = %s\n", 12540fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 12551c01c8c6SMd Fahad Iqbal Polash } 12561c01c8c6SMd Fahad Iqbal Polash 12571c01c8c6SMd Fahad Iqbal Polash /** 1258c90ed40cSTony Nguyen * ice_vsi_set_rss_flow_fld - Sets RSS input set for different flows 1259c90ed40cSTony Nguyen * @vsi: VSI to be configured 1260c90ed40cSTony Nguyen * 1261c90ed40cSTony Nguyen * This function will only be called after successful download package call 1262c90ed40cSTony Nguyen * during initialization of PF. Since the downloaded package will erase the 1263c90ed40cSTony Nguyen * RSS section, this function will configure RSS input sets for different 1264c90ed40cSTony Nguyen * flow types. The last profile added has the highest priority, therefore 2 1265c90ed40cSTony Nguyen * tuple profiles (i.e. IPv4 src/dst) are added before 4 tuple profiles 1266c90ed40cSTony Nguyen * (i.e. IPv4 src/dst TCP src/dst port). 1267c90ed40cSTony Nguyen */ 1268c90ed40cSTony Nguyen static void ice_vsi_set_rss_flow_fld(struct ice_vsi *vsi) 1269c90ed40cSTony Nguyen { 1270c90ed40cSTony Nguyen u16 vsi_handle = vsi->idx, vsi_num = vsi->vsi_num; 1271c90ed40cSTony Nguyen struct ice_pf *pf = vsi->back; 1272c90ed40cSTony Nguyen struct ice_hw *hw = &pf->hw; 1273c90ed40cSTony Nguyen enum ice_status status; 1274c90ed40cSTony Nguyen struct device *dev; 1275c90ed40cSTony Nguyen 1276c90ed40cSTony Nguyen dev = ice_pf_to_dev(pf); 1277c90ed40cSTony Nguyen if (ice_is_safe_mode(pf)) { 1278c90ed40cSTony Nguyen dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 1279c90ed40cSTony Nguyen vsi_num); 1280c90ed40cSTony Nguyen return; 1281c90ed40cSTony Nguyen } 1282c90ed40cSTony Nguyen /* configure RSS for IPv4 with input set IP src/dst */ 1283c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV4, 1284c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_IPV4); 1285c90ed40cSTony Nguyen if (status) 12860fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for ipv4 flow, vsi = %d, error = %s\n", 12870fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1288c90ed40cSTony Nguyen 1289c90ed40cSTony Nguyen /* configure RSS for IPv6 with input set IPv6 src/dst */ 1290c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV6, 1291c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_IPV6); 1292c90ed40cSTony Nguyen if (status) 12930fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for ipv6 flow, vsi = %d, error = %s\n", 12940fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1295c90ed40cSTony Nguyen 1296c90ed40cSTony Nguyen /* configure RSS for tcp4 with input set IP src/dst, TCP src/dst */ 1297c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_TCP_IPV4, 1298c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4); 1299c90ed40cSTony Nguyen if (status) 13000fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for tcp4 flow, vsi = %d, error = %s\n", 13010fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1302c90ed40cSTony Nguyen 1303c90ed40cSTony Nguyen /* configure RSS for udp4 with input set IP src/dst, UDP src/dst */ 1304c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_UDP_IPV4, 1305c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4); 1306c90ed40cSTony Nguyen if (status) 13070fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for udp4 flow, vsi = %d, error = %s\n", 13080fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1309c90ed40cSTony Nguyen 1310c90ed40cSTony Nguyen /* configure RSS for sctp4 with input set IP src/dst */ 1311c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV4, 1312c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4); 1313c90ed40cSTony Nguyen if (status) 13140fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for sctp4 flow, vsi = %d, error = %s\n", 13150fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1316c90ed40cSTony Nguyen 1317c90ed40cSTony Nguyen /* configure RSS for tcp6 with input set IPv6 src/dst, TCP src/dst */ 1318c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_TCP_IPV6, 1319c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6); 1320c90ed40cSTony Nguyen if (status) 13210fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for tcp6 flow, vsi = %d, error = %s\n", 13220fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1323c90ed40cSTony Nguyen 1324c90ed40cSTony Nguyen /* configure RSS for udp6 with input set IPv6 src/dst, UDP src/dst */ 1325c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_UDP_IPV6, 1326c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6); 1327c90ed40cSTony Nguyen if (status) 13280fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for udp6 flow, vsi = %d, error = %s\n", 13290fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1330c90ed40cSTony Nguyen 1331c90ed40cSTony Nguyen /* configure RSS for sctp6 with input set IPv6 src/dst */ 1332c90ed40cSTony Nguyen status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV6, 1333c90ed40cSTony Nguyen ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6); 1334c90ed40cSTony Nguyen if (status) 13350fee3577SLihong Yang dev_dbg(dev, "ice_add_rss_cfg failed for sctp6 flow, vsi = %d, error = %s\n", 13360fee3577SLihong Yang vsi_num, ice_stat_str(status)); 1337c90ed40cSTony Nguyen } 1338c90ed40cSTony Nguyen 1339c90ed40cSTony Nguyen /** 1340f9867df6SAnirudh Venkataramanan * ice_add_mac_to_list - Add a MAC address filter entry to the list 134145d3d428SAnirudh Venkataramanan * @vsi: the VSI to be forwarded to 134245d3d428SAnirudh Venkataramanan * @add_list: pointer to the list which contains MAC filter entries 134345d3d428SAnirudh Venkataramanan * @macaddr: the MAC address to be added. 134445d3d428SAnirudh Venkataramanan * 1345f9867df6SAnirudh Venkataramanan * Adds MAC address filter entry to the temp list 134645d3d428SAnirudh Venkataramanan * 134745d3d428SAnirudh Venkataramanan * Returns 0 on success or ENOMEM on failure. 134845d3d428SAnirudh Venkataramanan */ 13494ee656bbSTony Nguyen int 13504ee656bbSTony Nguyen ice_add_mac_to_list(struct ice_vsi *vsi, struct list_head *add_list, 135145d3d428SAnirudh Venkataramanan const u8 *macaddr) 135245d3d428SAnirudh Venkataramanan { 135345d3d428SAnirudh Venkataramanan struct ice_fltr_list_entry *tmp; 135445d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 135545d3d428SAnirudh Venkataramanan 13564015d11eSBrett Creeley tmp = devm_kzalloc(ice_pf_to_dev(pf), sizeof(*tmp), GFP_ATOMIC); 135745d3d428SAnirudh Venkataramanan if (!tmp) 135845d3d428SAnirudh Venkataramanan return -ENOMEM; 135945d3d428SAnirudh Venkataramanan 136045d3d428SAnirudh Venkataramanan tmp->fltr_info.flag = ICE_FLTR_TX; 13615726ca0eSAnirudh Venkataramanan tmp->fltr_info.src_id = ICE_SRC_ID_VSI; 136245d3d428SAnirudh Venkataramanan tmp->fltr_info.lkup_type = ICE_SW_LKUP_MAC; 136345d3d428SAnirudh Venkataramanan tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI; 13645726ca0eSAnirudh Venkataramanan tmp->fltr_info.vsi_handle = vsi->idx; 136545d3d428SAnirudh Venkataramanan ether_addr_copy(tmp->fltr_info.l_data.mac.mac_addr, macaddr); 136645d3d428SAnirudh Venkataramanan 136745d3d428SAnirudh Venkataramanan INIT_LIST_HEAD(&tmp->list_entry); 136845d3d428SAnirudh Venkataramanan list_add(&tmp->list_entry, add_list); 136945d3d428SAnirudh Venkataramanan 137045d3d428SAnirudh Venkataramanan return 0; 137145d3d428SAnirudh Venkataramanan } 137245d3d428SAnirudh Venkataramanan 137345d3d428SAnirudh Venkataramanan /** 137445d3d428SAnirudh Venkataramanan * ice_update_eth_stats - Update VSI-specific ethernet statistics counters 137545d3d428SAnirudh Venkataramanan * @vsi: the VSI to be updated 137645d3d428SAnirudh Venkataramanan */ 137745d3d428SAnirudh Venkataramanan void ice_update_eth_stats(struct ice_vsi *vsi) 137845d3d428SAnirudh Venkataramanan { 137945d3d428SAnirudh Venkataramanan struct ice_eth_stats *prev_es, *cur_es; 138045d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 138145d3d428SAnirudh Venkataramanan u16 vsi_num = vsi->vsi_num; /* HW absolute index of a VSI */ 138245d3d428SAnirudh Venkataramanan 138345d3d428SAnirudh Venkataramanan prev_es = &vsi->eth_stats_prev; 138445d3d428SAnirudh Venkataramanan cur_es = &vsi->eth_stats; 138545d3d428SAnirudh Venkataramanan 138636517fd3SJacob Keller ice_stat_update40(hw, GLV_GORCL(vsi_num), vsi->stat_offsets_loaded, 138736517fd3SJacob Keller &prev_es->rx_bytes, &cur_es->rx_bytes); 138845d3d428SAnirudh Venkataramanan 138936517fd3SJacob Keller ice_stat_update40(hw, GLV_UPRCL(vsi_num), vsi->stat_offsets_loaded, 139036517fd3SJacob Keller &prev_es->rx_unicast, &cur_es->rx_unicast); 139145d3d428SAnirudh Venkataramanan 139236517fd3SJacob Keller ice_stat_update40(hw, GLV_MPRCL(vsi_num), vsi->stat_offsets_loaded, 139336517fd3SJacob Keller &prev_es->rx_multicast, &cur_es->rx_multicast); 139445d3d428SAnirudh Venkataramanan 139536517fd3SJacob Keller ice_stat_update40(hw, GLV_BPRCL(vsi_num), vsi->stat_offsets_loaded, 139636517fd3SJacob Keller &prev_es->rx_broadcast, &cur_es->rx_broadcast); 139745d3d428SAnirudh Venkataramanan 139845d3d428SAnirudh Venkataramanan ice_stat_update32(hw, GLV_RDPC(vsi_num), vsi->stat_offsets_loaded, 139945d3d428SAnirudh Venkataramanan &prev_es->rx_discards, &cur_es->rx_discards); 140045d3d428SAnirudh Venkataramanan 140136517fd3SJacob Keller ice_stat_update40(hw, GLV_GOTCL(vsi_num), vsi->stat_offsets_loaded, 140236517fd3SJacob Keller &prev_es->tx_bytes, &cur_es->tx_bytes); 140345d3d428SAnirudh Venkataramanan 140436517fd3SJacob Keller ice_stat_update40(hw, GLV_UPTCL(vsi_num), vsi->stat_offsets_loaded, 140536517fd3SJacob Keller &prev_es->tx_unicast, &cur_es->tx_unicast); 140645d3d428SAnirudh Venkataramanan 140736517fd3SJacob Keller ice_stat_update40(hw, GLV_MPTCL(vsi_num), vsi->stat_offsets_loaded, 140836517fd3SJacob Keller &prev_es->tx_multicast, &cur_es->tx_multicast); 140945d3d428SAnirudh Venkataramanan 141036517fd3SJacob Keller ice_stat_update40(hw, GLV_BPTCL(vsi_num), vsi->stat_offsets_loaded, 141136517fd3SJacob Keller &prev_es->tx_broadcast, &cur_es->tx_broadcast); 141245d3d428SAnirudh Venkataramanan 141345d3d428SAnirudh Venkataramanan ice_stat_update32(hw, GLV_TEPC(vsi_num), vsi->stat_offsets_loaded, 141445d3d428SAnirudh Venkataramanan &prev_es->tx_errors, &cur_es->tx_errors); 141545d3d428SAnirudh Venkataramanan 141645d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded = true; 141745d3d428SAnirudh Venkataramanan } 141845d3d428SAnirudh Venkataramanan 141945d3d428SAnirudh Venkataramanan /** 142045d3d428SAnirudh Venkataramanan * ice_free_fltr_list - free filter lists helper 142145d3d428SAnirudh Venkataramanan * @dev: pointer to the device struct 142245d3d428SAnirudh Venkataramanan * @h: pointer to the list head to be freed 142345d3d428SAnirudh Venkataramanan * 142445d3d428SAnirudh Venkataramanan * Helper function to free filter lists previously created using 142545d3d428SAnirudh Venkataramanan * ice_add_mac_to_list 142645d3d428SAnirudh Venkataramanan */ 142745d3d428SAnirudh Venkataramanan void ice_free_fltr_list(struct device *dev, struct list_head *h) 142845d3d428SAnirudh Venkataramanan { 142945d3d428SAnirudh Venkataramanan struct ice_fltr_list_entry *e, *tmp; 143045d3d428SAnirudh Venkataramanan 143145d3d428SAnirudh Venkataramanan list_for_each_entry_safe(e, tmp, h, list_entry) { 143245d3d428SAnirudh Venkataramanan list_del(&e->list_entry); 143345d3d428SAnirudh Venkataramanan devm_kfree(dev, e); 143445d3d428SAnirudh Venkataramanan } 143545d3d428SAnirudh Venkataramanan } 143645d3d428SAnirudh Venkataramanan 143745d3d428SAnirudh Venkataramanan /** 143845d3d428SAnirudh Venkataramanan * ice_vsi_add_vlan - Add VSI membership for given VLAN 143945d3d428SAnirudh Venkataramanan * @vsi: the VSI being configured 1440f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be added 144145d3d428SAnirudh Venkataramanan */ 144245d3d428SAnirudh Venkataramanan int ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid) 144345d3d428SAnirudh Venkataramanan { 144445d3d428SAnirudh Venkataramanan struct ice_fltr_list_entry *tmp; 144545d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 144645d3d428SAnirudh Venkataramanan LIST_HEAD(tmp_add_list); 144745d3d428SAnirudh Venkataramanan enum ice_status status; 14484015d11eSBrett Creeley struct device *dev; 144945d3d428SAnirudh Venkataramanan int err = 0; 145045d3d428SAnirudh Venkataramanan 14514015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 14524015d11eSBrett Creeley tmp = devm_kzalloc(dev, sizeof(*tmp), GFP_KERNEL); 145345d3d428SAnirudh Venkataramanan if (!tmp) 145445d3d428SAnirudh Venkataramanan return -ENOMEM; 145545d3d428SAnirudh Venkataramanan 145645d3d428SAnirudh Venkataramanan tmp->fltr_info.lkup_type = ICE_SW_LKUP_VLAN; 145745d3d428SAnirudh Venkataramanan tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI; 145845d3d428SAnirudh Venkataramanan tmp->fltr_info.flag = ICE_FLTR_TX; 14595726ca0eSAnirudh Venkataramanan tmp->fltr_info.src_id = ICE_SRC_ID_VSI; 14605726ca0eSAnirudh Venkataramanan tmp->fltr_info.vsi_handle = vsi->idx; 146145d3d428SAnirudh Venkataramanan tmp->fltr_info.l_data.vlan.vlan_id = vid; 146245d3d428SAnirudh Venkataramanan 146345d3d428SAnirudh Venkataramanan INIT_LIST_HEAD(&tmp->list_entry); 146445d3d428SAnirudh Venkataramanan list_add(&tmp->list_entry, &tmp_add_list); 146545d3d428SAnirudh Venkataramanan 146645d3d428SAnirudh Venkataramanan status = ice_add_vlan(&pf->hw, &tmp_add_list); 146742f3efefSBrett Creeley if (!status) { 146842f3efefSBrett Creeley vsi->num_vlan++; 146942f3efefSBrett Creeley } else { 147045d3d428SAnirudh Venkataramanan err = -ENODEV; 14714015d11eSBrett Creeley dev_err(dev, "Failure Adding VLAN %d on VSI %i\n", vid, 14724015d11eSBrett Creeley vsi->vsi_num); 147345d3d428SAnirudh Venkataramanan } 147445d3d428SAnirudh Venkataramanan 14754015d11eSBrett Creeley ice_free_fltr_list(dev, &tmp_add_list); 147645d3d428SAnirudh Venkataramanan return err; 147745d3d428SAnirudh Venkataramanan } 147845d3d428SAnirudh Venkataramanan 147945d3d428SAnirudh Venkataramanan /** 148045d3d428SAnirudh Venkataramanan * ice_vsi_kill_vlan - Remove VSI membership for a given VLAN 148145d3d428SAnirudh Venkataramanan * @vsi: the VSI being configured 1482f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be removed 148345d3d428SAnirudh Venkataramanan * 148445d3d428SAnirudh Venkataramanan * Returns 0 on success and negative on failure 148545d3d428SAnirudh Venkataramanan */ 148645d3d428SAnirudh Venkataramanan int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid) 148745d3d428SAnirudh Venkataramanan { 148845d3d428SAnirudh Venkataramanan struct ice_fltr_list_entry *list; 148945d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 149045d3d428SAnirudh Venkataramanan LIST_HEAD(tmp_add_list); 14915079b853SAkeem G Abodunrin enum ice_status status; 14924015d11eSBrett Creeley struct device *dev; 14935079b853SAkeem G Abodunrin int err = 0; 149445d3d428SAnirudh Venkataramanan 14954015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 14964015d11eSBrett Creeley list = devm_kzalloc(dev, sizeof(*list), GFP_KERNEL); 149745d3d428SAnirudh Venkataramanan if (!list) 149845d3d428SAnirudh Venkataramanan return -ENOMEM; 149945d3d428SAnirudh Venkataramanan 150045d3d428SAnirudh Venkataramanan list->fltr_info.lkup_type = ICE_SW_LKUP_VLAN; 15015726ca0eSAnirudh Venkataramanan list->fltr_info.vsi_handle = vsi->idx; 150245d3d428SAnirudh Venkataramanan list->fltr_info.fltr_act = ICE_FWD_TO_VSI; 150345d3d428SAnirudh Venkataramanan list->fltr_info.l_data.vlan.vlan_id = vid; 150445d3d428SAnirudh Venkataramanan list->fltr_info.flag = ICE_FLTR_TX; 15055726ca0eSAnirudh Venkataramanan list->fltr_info.src_id = ICE_SRC_ID_VSI; 150645d3d428SAnirudh Venkataramanan 150745d3d428SAnirudh Venkataramanan INIT_LIST_HEAD(&list->list_entry); 150845d3d428SAnirudh Venkataramanan list_add(&list->list_entry, &tmp_add_list); 150945d3d428SAnirudh Venkataramanan 15105079b853SAkeem G Abodunrin status = ice_remove_vlan(&pf->hw, &tmp_add_list); 151142f3efefSBrett Creeley if (!status) { 151242f3efefSBrett Creeley vsi->num_vlan--; 151342f3efefSBrett Creeley } else if (status == ICE_ERR_DOES_NOT_EXIST) { 15140fee3577SLihong Yang dev_dbg(dev, "Failed to remove VLAN %d on VSI %i, it does not exist, status: %s\n", 15150fee3577SLihong Yang vid, vsi->vsi_num, ice_stat_str(status)); 151642f3efefSBrett Creeley } else { 15170fee3577SLihong Yang dev_err(dev, "Error removing VLAN %d on vsi %i error: %s\n", 15180fee3577SLihong Yang vid, vsi->vsi_num, ice_stat_str(status)); 15195079b853SAkeem G Abodunrin err = -EIO; 152045d3d428SAnirudh Venkataramanan } 152145d3d428SAnirudh Venkataramanan 15224015d11eSBrett Creeley ice_free_fltr_list(dev, &tmp_add_list); 15235079b853SAkeem G Abodunrin return err; 152445d3d428SAnirudh Venkataramanan } 152545d3d428SAnirudh Venkataramanan 152645d3d428SAnirudh Venkataramanan /** 1527efc2214bSMaciej Fijalkowski * ice_vsi_cfg_frame_size - setup max frame size and Rx buffer length 1528efc2214bSMaciej Fijalkowski * @vsi: VSI 1529efc2214bSMaciej Fijalkowski */ 1530efc2214bSMaciej Fijalkowski void ice_vsi_cfg_frame_size(struct ice_vsi *vsi) 1531efc2214bSMaciej Fijalkowski { 15327237f5b0SMaciej Fijalkowski if (!vsi->netdev || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) { 15337237f5b0SMaciej Fijalkowski vsi->max_frame = ICE_AQ_SET_MAC_FRAME_SIZE_MAX; 1534efc2214bSMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_2048; 15357237f5b0SMaciej Fijalkowski #if (PAGE_SIZE < 8192) 153659bb0808SMaciej Fijalkowski } else if (!ICE_2K_TOO_SMALL_WITH_PADDING && 153759bb0808SMaciej Fijalkowski (vsi->netdev->mtu <= ETH_DATA_LEN)) { 15387237f5b0SMaciej Fijalkowski vsi->max_frame = ICE_RXBUF_1536 - NET_IP_ALIGN; 15397237f5b0SMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_1536 - NET_IP_ALIGN; 15407237f5b0SMaciej Fijalkowski #endif 15417237f5b0SMaciej Fijalkowski } else { 15427237f5b0SMaciej Fijalkowski vsi->max_frame = ICE_AQ_SET_MAC_FRAME_SIZE_MAX; 15437237f5b0SMaciej Fijalkowski #if (PAGE_SIZE < 8192) 15447237f5b0SMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_3072; 15457237f5b0SMaciej Fijalkowski #else 15467237f5b0SMaciej Fijalkowski vsi->rx_buf_len = ICE_RXBUF_2048; 15477237f5b0SMaciej Fijalkowski #endif 15487237f5b0SMaciej Fijalkowski } 1549efc2214bSMaciej Fijalkowski } 1550efc2214bSMaciej Fijalkowski 1551efc2214bSMaciej Fijalkowski /** 155272adf242SAnirudh Venkataramanan * ice_vsi_cfg_rxqs - Configure the VSI for Rx 155372adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 155472adf242SAnirudh Venkataramanan * 155572adf242SAnirudh Venkataramanan * Return 0 on success and a negative value on error 155672adf242SAnirudh Venkataramanan * Configure the Rx VSI for operation. 155772adf242SAnirudh Venkataramanan */ 155872adf242SAnirudh Venkataramanan int ice_vsi_cfg_rxqs(struct ice_vsi *vsi) 155972adf242SAnirudh Venkataramanan { 156072adf242SAnirudh Venkataramanan u16 i; 156172adf242SAnirudh Venkataramanan 15628ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 15638ede0178SAnirudh Venkataramanan goto setup_rings; 15648ede0178SAnirudh Venkataramanan 1565efc2214bSMaciej Fijalkowski ice_vsi_cfg_frame_size(vsi); 15668ede0178SAnirudh Venkataramanan setup_rings: 156772adf242SAnirudh Venkataramanan /* set up individual rings */ 15681553f4f7SBrett Creeley for (i = 0; i < vsi->num_rxq; i++) { 15691553f4f7SBrett Creeley int err; 157072adf242SAnirudh Venkataramanan 15711553f4f7SBrett Creeley err = ice_setup_rx_ctx(vsi->rx_rings[i]); 157272adf242SAnirudh Venkataramanan if (err) { 157319cce2c6SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "ice_setup_rx_ctx failed for RxQ %d, err %d\n", 15741553f4f7SBrett Creeley i, err); 157572adf242SAnirudh Venkataramanan return err; 157672adf242SAnirudh Venkataramanan } 15771553f4f7SBrett Creeley } 15781553f4f7SBrett Creeley 15791553f4f7SBrett Creeley return 0; 15801553f4f7SBrett Creeley } 158172adf242SAnirudh Venkataramanan 158272adf242SAnirudh Venkataramanan /** 158372adf242SAnirudh Venkataramanan * ice_vsi_cfg_txqs - Configure the VSI for Tx 158472adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 158503f7a986SAnirudh Venkataramanan * @rings: Tx ring array to be configured 158672adf242SAnirudh Venkataramanan * 158772adf242SAnirudh Venkataramanan * Return 0 on success and a negative value on error 158872adf242SAnirudh Venkataramanan * Configure the Tx VSI for operation. 158972adf242SAnirudh Venkataramanan */ 159003f7a986SAnirudh Venkataramanan static int 1591e75d1b2cSMaciej Fijalkowski ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_ring **rings) 159272adf242SAnirudh Venkataramanan { 159372adf242SAnirudh Venkataramanan struct ice_aqc_add_tx_qgrp *qg_buf; 1594e75d1b2cSMaciej Fijalkowski u16 q_idx = 0; 1595d02f734cSMaciej Fijalkowski int err = 0; 159672adf242SAnirudh Venkataramanan 1597e75d1b2cSMaciej Fijalkowski qg_buf = kzalloc(sizeof(*qg_buf), GFP_KERNEL); 159872adf242SAnirudh Venkataramanan if (!qg_buf) 159972adf242SAnirudh Venkataramanan return -ENOMEM; 160072adf242SAnirudh Venkataramanan 160172adf242SAnirudh Venkataramanan qg_buf->num_txqs = 1; 160272adf242SAnirudh Venkataramanan 1603e75d1b2cSMaciej Fijalkowski for (q_idx = 0; q_idx < vsi->num_txq; q_idx++) { 1604e75d1b2cSMaciej Fijalkowski err = ice_vsi_cfg_txq(vsi, rings[q_idx], qg_buf); 1605d02f734cSMaciej Fijalkowski if (err) 160672adf242SAnirudh Venkataramanan goto err_cfg_txqs; 1607e75d1b2cSMaciej Fijalkowski } 1608c5a2a4a3SUsha Ketineni 160972adf242SAnirudh Venkataramanan err_cfg_txqs: 1610e75d1b2cSMaciej Fijalkowski kfree(qg_buf); 161172adf242SAnirudh Venkataramanan return err; 161272adf242SAnirudh Venkataramanan } 161372adf242SAnirudh Venkataramanan 161472adf242SAnirudh Venkataramanan /** 161503f7a986SAnirudh Venkataramanan * ice_vsi_cfg_lan_txqs - Configure the VSI for Tx 161603f7a986SAnirudh Venkataramanan * @vsi: the VSI being configured 161703f7a986SAnirudh Venkataramanan * 161803f7a986SAnirudh Venkataramanan * Return 0 on success and a negative value on error 161903f7a986SAnirudh Venkataramanan * Configure the Tx VSI for operation. 162003f7a986SAnirudh Venkataramanan */ 162103f7a986SAnirudh Venkataramanan int ice_vsi_cfg_lan_txqs(struct ice_vsi *vsi) 162203f7a986SAnirudh Venkataramanan { 1623e75d1b2cSMaciej Fijalkowski return ice_vsi_cfg_txqs(vsi, vsi->tx_rings); 162403f7a986SAnirudh Venkataramanan } 162503f7a986SAnirudh Venkataramanan 162603f7a986SAnirudh Venkataramanan /** 1627efc2214bSMaciej Fijalkowski * ice_vsi_cfg_xdp_txqs - Configure Tx queues dedicated for XDP in given VSI 1628efc2214bSMaciej Fijalkowski * @vsi: the VSI being configured 1629efc2214bSMaciej Fijalkowski * 1630efc2214bSMaciej Fijalkowski * Return 0 on success and a negative value on error 1631efc2214bSMaciej Fijalkowski * Configure the Tx queues dedicated for XDP in given VSI for operation. 1632efc2214bSMaciej Fijalkowski */ 1633efc2214bSMaciej Fijalkowski int ice_vsi_cfg_xdp_txqs(struct ice_vsi *vsi) 1634efc2214bSMaciej Fijalkowski { 16352d4238f5SKrzysztof Kazimierczak int ret; 16362d4238f5SKrzysztof Kazimierczak int i; 16372d4238f5SKrzysztof Kazimierczak 16382d4238f5SKrzysztof Kazimierczak ret = ice_vsi_cfg_txqs(vsi, vsi->xdp_rings); 16392d4238f5SKrzysztof Kazimierczak if (ret) 16402d4238f5SKrzysztof Kazimierczak return ret; 16412d4238f5SKrzysztof Kazimierczak 16422d4238f5SKrzysztof Kazimierczak for (i = 0; i < vsi->num_xdp_txq; i++) 16432d4238f5SKrzysztof Kazimierczak vsi->xdp_rings[i]->xsk_umem = ice_xsk_umem(vsi->xdp_rings[i]); 16442d4238f5SKrzysztof Kazimierczak 16452d4238f5SKrzysztof Kazimierczak return ret; 1646efc2214bSMaciej Fijalkowski } 1647efc2214bSMaciej Fijalkowski 1648efc2214bSMaciej Fijalkowski /** 16499e4ab4c2SBrett Creeley * ice_intrl_usec_to_reg - convert interrupt rate limit to register value 16509e4ab4c2SBrett Creeley * @intrl: interrupt rate limit in usecs 16519e4ab4c2SBrett Creeley * @gran: interrupt rate limit granularity in usecs 16529e4ab4c2SBrett Creeley * 16539e4ab4c2SBrett Creeley * This function converts a decimal interrupt rate limit in usecs to the format 16549e4ab4c2SBrett Creeley * expected by firmware. 16559e4ab4c2SBrett Creeley */ 1656b9c8bb06SBrett Creeley u32 ice_intrl_usec_to_reg(u8 intrl, u8 gran) 16579e4ab4c2SBrett Creeley { 16589e4ab4c2SBrett Creeley u32 val = intrl / gran; 16599e4ab4c2SBrett Creeley 16609e4ab4c2SBrett Creeley if (val) 16619e4ab4c2SBrett Creeley return val | GLINT_RATE_INTRL_ENA_M; 16629e4ab4c2SBrett Creeley return 0; 16639e4ab4c2SBrett Creeley } 16649e4ab4c2SBrett Creeley 16659e4ab4c2SBrett Creeley /** 166672adf242SAnirudh Venkataramanan * ice_vsi_cfg_msix - MSIX mode Interrupt Config in the HW 166772adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 1668047e52c0SAnirudh Venkataramanan * 1669047e52c0SAnirudh Venkataramanan * This configures MSIX mode interrupts for the PF VSI, and should not be used 1670047e52c0SAnirudh Venkataramanan * for the VF VSI. 167172adf242SAnirudh Venkataramanan */ 167272adf242SAnirudh Venkataramanan void ice_vsi_cfg_msix(struct ice_vsi *vsi) 167372adf242SAnirudh Venkataramanan { 167472adf242SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 167572adf242SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 167672adf242SAnirudh Venkataramanan u32 txq = 0, rxq = 0; 1677d2b464a7SBrett Creeley int i, q; 167872adf242SAnirudh Venkataramanan 1679b07833a0SBrett Creeley for (i = 0; i < vsi->num_q_vectors; i++) { 168072adf242SAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[i]; 1681b07833a0SBrett Creeley u16 reg_idx = q_vector->reg_idx; 168272adf242SAnirudh Venkataramanan 1683b07833a0SBrett Creeley ice_cfg_itr(hw, q_vector); 16849e4ab4c2SBrett Creeley 1685b07833a0SBrett Creeley wr32(hw, GLINT_RATE(reg_idx), 16869e4ab4c2SBrett Creeley ice_intrl_usec_to_reg(q_vector->intrl, hw->intrl_gran)); 168772adf242SAnirudh Venkataramanan 168872adf242SAnirudh Venkataramanan /* Both Transmit Queue Interrupt Cause Control register 168972adf242SAnirudh Venkataramanan * and Receive Queue Interrupt Cause control register 169072adf242SAnirudh Venkataramanan * expects MSIX_INDX field to be the vector index 169172adf242SAnirudh Venkataramanan * within the function space and not the absolute 169272adf242SAnirudh Venkataramanan * vector index across PF or across device. 169372adf242SAnirudh Venkataramanan * For SR-IOV VF VSIs queue vector index always starts 169472adf242SAnirudh Venkataramanan * with 1 since first vector index(0) is used for OICR 169572adf242SAnirudh Venkataramanan * in VF space. Since VMDq and other PF VSIs are within 169672adf242SAnirudh Venkataramanan * the PF function space, use the vector index that is 169772adf242SAnirudh Venkataramanan * tracked for this PF. 169872adf242SAnirudh Venkataramanan */ 169972adf242SAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_tx; q++) { 1700047e52c0SAnirudh Venkataramanan ice_cfg_txq_interrupt(vsi, txq, reg_idx, 1701047e52c0SAnirudh Venkataramanan q_vector->tx.itr_idx); 170272adf242SAnirudh Venkataramanan txq++; 170372adf242SAnirudh Venkataramanan } 170472adf242SAnirudh Venkataramanan 170572adf242SAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_rx; q++) { 1706047e52c0SAnirudh Venkataramanan ice_cfg_rxq_interrupt(vsi, rxq, reg_idx, 1707047e52c0SAnirudh Venkataramanan q_vector->rx.itr_idx); 170872adf242SAnirudh Venkataramanan rxq++; 170972adf242SAnirudh Venkataramanan } 171072adf242SAnirudh Venkataramanan } 171172adf242SAnirudh Venkataramanan } 171272adf242SAnirudh Venkataramanan 171372adf242SAnirudh Venkataramanan /** 171445d3d428SAnirudh Venkataramanan * ice_vsi_manage_vlan_insertion - Manage VLAN insertion for the VSI for Tx 171545d3d428SAnirudh Venkataramanan * @vsi: the VSI being changed 171645d3d428SAnirudh Venkataramanan */ 171745d3d428SAnirudh Venkataramanan int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi) 171845d3d428SAnirudh Venkataramanan { 171945d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 1720198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 172145d3d428SAnirudh Venkataramanan enum ice_status status; 1722198a666aSBruce Allan int ret = 0; 1723198a666aSBruce Allan 17249efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 1725198a666aSBruce Allan if (!ctxt) 1726198a666aSBruce Allan return -ENOMEM; 172745d3d428SAnirudh Venkataramanan 172845d3d428SAnirudh Venkataramanan /* Here we are configuring the VSI to let the driver add VLAN tags by 172945d3d428SAnirudh Venkataramanan * setting vlan_flags to ICE_AQ_VSI_VLAN_MODE_ALL. The actual VLAN tag 173045d3d428SAnirudh Venkataramanan * insertion happens in the Tx hot path, in ice_tx_map. 173145d3d428SAnirudh Venkataramanan */ 1732198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL; 173345d3d428SAnirudh Venkataramanan 1734e80e76dbSTony Nguyen /* Preserve existing VLAN strip setting */ 1735e80e76dbSTony Nguyen ctxt->info.vlan_flags |= (vsi->info.vlan_flags & 1736e80e76dbSTony Nguyen ICE_AQ_VSI_VLAN_EMOD_M); 1737e80e76dbSTony Nguyen 1738198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); 173945d3d428SAnirudh Venkataramanan 1740198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 174145d3d428SAnirudh Venkataramanan if (status) { 17420fee3577SLihong Yang dev_err(ice_pf_to_dev(vsi->back), "update VSI for VLAN insert failed, err %s aq_err %s\n", 17430fee3577SLihong Yang ice_stat_str(status), 17440fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 1745198a666aSBruce Allan ret = -EIO; 1746198a666aSBruce Allan goto out; 174745d3d428SAnirudh Venkataramanan } 174845d3d428SAnirudh Venkataramanan 1749198a666aSBruce Allan vsi->info.vlan_flags = ctxt->info.vlan_flags; 1750198a666aSBruce Allan out: 17519efe35d0STony Nguyen kfree(ctxt); 1752198a666aSBruce Allan return ret; 175345d3d428SAnirudh Venkataramanan } 175445d3d428SAnirudh Venkataramanan 175545d3d428SAnirudh Venkataramanan /** 175645d3d428SAnirudh Venkataramanan * ice_vsi_manage_vlan_stripping - Manage VLAN stripping for the VSI for Rx 175745d3d428SAnirudh Venkataramanan * @vsi: the VSI being changed 175845d3d428SAnirudh Venkataramanan * @ena: boolean value indicating if this is a enable or disable request 175945d3d428SAnirudh Venkataramanan */ 176045d3d428SAnirudh Venkataramanan int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena) 176145d3d428SAnirudh Venkataramanan { 176245d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 1763198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 176445d3d428SAnirudh Venkataramanan enum ice_status status; 1765198a666aSBruce Allan int ret = 0; 1766198a666aSBruce Allan 17679efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 1768198a666aSBruce Allan if (!ctxt) 1769198a666aSBruce Allan return -ENOMEM; 177045d3d428SAnirudh Venkataramanan 177145d3d428SAnirudh Venkataramanan /* Here we are configuring what the VSI should do with the VLAN tag in 177245d3d428SAnirudh Venkataramanan * the Rx packet. We can either leave the tag in the packet or put it in 177345d3d428SAnirudh Venkataramanan * the Rx descriptor. 177445d3d428SAnirudh Venkataramanan */ 1775198a666aSBruce Allan if (ena) 177645d3d428SAnirudh Venkataramanan /* Strip VLAN tag from Rx packet and put it in the desc */ 1777198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_STR_BOTH; 1778198a666aSBruce Allan else 177945d3d428SAnirudh Venkataramanan /* Disable stripping. Leave tag in packet */ 1780198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING; 178145d3d428SAnirudh Venkataramanan 178245d3d428SAnirudh Venkataramanan /* Allow all packets untagged/tagged */ 1783198a666aSBruce Allan ctxt->info.vlan_flags |= ICE_AQ_VSI_VLAN_MODE_ALL; 178445d3d428SAnirudh Venkataramanan 1785198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); 178645d3d428SAnirudh Venkataramanan 1787198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 178845d3d428SAnirudh Venkataramanan if (status) { 17890fee3577SLihong Yang dev_err(ice_pf_to_dev(vsi->back), "update VSI for VLAN strip failed, ena = %d err %s aq_err %s\n", 17900fee3577SLihong Yang ena, ice_stat_str(status), 17910fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 1792198a666aSBruce Allan ret = -EIO; 1793198a666aSBruce Allan goto out; 179445d3d428SAnirudh Venkataramanan } 179545d3d428SAnirudh Venkataramanan 1796198a666aSBruce Allan vsi->info.vlan_flags = ctxt->info.vlan_flags; 1797198a666aSBruce Allan out: 17989efe35d0STony Nguyen kfree(ctxt); 1799198a666aSBruce Allan return ret; 180045d3d428SAnirudh Venkataramanan } 180172adf242SAnirudh Venkataramanan 180272adf242SAnirudh Venkataramanan /** 180313a6233bSBrett Creeley * ice_vsi_start_all_rx_rings - start/enable all of a VSI's Rx rings 180413a6233bSBrett Creeley * @vsi: the VSI whose rings are to be enabled 180572adf242SAnirudh Venkataramanan * 180672adf242SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 180772adf242SAnirudh Venkataramanan */ 180813a6233bSBrett Creeley int ice_vsi_start_all_rx_rings(struct ice_vsi *vsi) 180972adf242SAnirudh Venkataramanan { 181013a6233bSBrett Creeley return ice_vsi_ctrl_all_rx_rings(vsi, true); 181172adf242SAnirudh Venkataramanan } 181272adf242SAnirudh Venkataramanan 181372adf242SAnirudh Venkataramanan /** 181413a6233bSBrett Creeley * ice_vsi_stop_all_rx_rings - stop/disable all of a VSI's Rx rings 181513a6233bSBrett Creeley * @vsi: the VSI whose rings are to be disabled 181672adf242SAnirudh Venkataramanan * 181772adf242SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 181872adf242SAnirudh Venkataramanan */ 181913a6233bSBrett Creeley int ice_vsi_stop_all_rx_rings(struct ice_vsi *vsi) 182072adf242SAnirudh Venkataramanan { 182113a6233bSBrett Creeley return ice_vsi_ctrl_all_rx_rings(vsi, false); 182272adf242SAnirudh Venkataramanan } 182372adf242SAnirudh Venkataramanan 182472adf242SAnirudh Venkataramanan /** 1825d02f734cSMaciej Fijalkowski * ice_vsi_stop_tx_rings - Disable Tx rings 1826d02f734cSMaciej Fijalkowski * @vsi: the VSI being configured 1827d02f734cSMaciej Fijalkowski * @rst_src: reset source 1828d02f734cSMaciej Fijalkowski * @rel_vmvf_num: Relative ID of VF/VM 1829d02f734cSMaciej Fijalkowski * @rings: Tx ring array to be stopped 1830d02f734cSMaciej Fijalkowski */ 1831d02f734cSMaciej Fijalkowski static int 1832d02f734cSMaciej Fijalkowski ice_vsi_stop_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, 1833d02f734cSMaciej Fijalkowski u16 rel_vmvf_num, struct ice_ring **rings) 1834d02f734cSMaciej Fijalkowski { 1835e75d1b2cSMaciej Fijalkowski u16 q_idx; 1836d02f734cSMaciej Fijalkowski 1837d02f734cSMaciej Fijalkowski if (vsi->num_txq > ICE_LAN_TXQ_MAX_QDIS) 1838d02f734cSMaciej Fijalkowski return -EINVAL; 1839d02f734cSMaciej Fijalkowski 1840e75d1b2cSMaciej Fijalkowski for (q_idx = 0; q_idx < vsi->num_txq; q_idx++) { 1841d02f734cSMaciej Fijalkowski struct ice_txq_meta txq_meta = { }; 1842e75d1b2cSMaciej Fijalkowski int status; 1843d02f734cSMaciej Fijalkowski 1844d02f734cSMaciej Fijalkowski if (!rings || !rings[q_idx]) 1845d02f734cSMaciej Fijalkowski return -EINVAL; 1846d02f734cSMaciej Fijalkowski 1847d02f734cSMaciej Fijalkowski ice_fill_txq_meta(vsi, rings[q_idx], &txq_meta); 1848e75d1b2cSMaciej Fijalkowski status = ice_vsi_stop_tx_ring(vsi, rst_src, rel_vmvf_num, 1849d02f734cSMaciej Fijalkowski rings[q_idx], &txq_meta); 1850d02f734cSMaciej Fijalkowski 1851d02f734cSMaciej Fijalkowski if (status) 1852d02f734cSMaciej Fijalkowski return status; 1853bb87ee0eSAnirudh Venkataramanan } 185472adf242SAnirudh Venkataramanan 1855d02f734cSMaciej Fijalkowski return 0; 185672adf242SAnirudh Venkataramanan } 18575153a18eSAnirudh Venkataramanan 18585153a18eSAnirudh Venkataramanan /** 185903f7a986SAnirudh Venkataramanan * ice_vsi_stop_lan_tx_rings - Disable LAN Tx rings 186003f7a986SAnirudh Venkataramanan * @vsi: the VSI being configured 186103f7a986SAnirudh Venkataramanan * @rst_src: reset source 1862f9867df6SAnirudh Venkataramanan * @rel_vmvf_num: Relative ID of VF/VM 186303f7a986SAnirudh Venkataramanan */ 1864c8b7abddSBruce Allan int 1865c8b7abddSBruce Allan ice_vsi_stop_lan_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, 1866c8b7abddSBruce Allan u16 rel_vmvf_num) 186703f7a986SAnirudh Venkataramanan { 1868d02f734cSMaciej Fijalkowski return ice_vsi_stop_tx_rings(vsi, rst_src, rel_vmvf_num, vsi->tx_rings); 186903f7a986SAnirudh Venkataramanan } 187003f7a986SAnirudh Venkataramanan 187103f7a986SAnirudh Venkataramanan /** 1872efc2214bSMaciej Fijalkowski * ice_vsi_stop_xdp_tx_rings - Disable XDP Tx rings 1873efc2214bSMaciej Fijalkowski * @vsi: the VSI being configured 1874efc2214bSMaciej Fijalkowski */ 1875efc2214bSMaciej Fijalkowski int ice_vsi_stop_xdp_tx_rings(struct ice_vsi *vsi) 1876efc2214bSMaciej Fijalkowski { 1877efc2214bSMaciej Fijalkowski return ice_vsi_stop_tx_rings(vsi, ICE_NO_RESET, 0, vsi->xdp_rings); 1878efc2214bSMaciej Fijalkowski } 1879efc2214bSMaciej Fijalkowski 1880efc2214bSMaciej Fijalkowski /** 188142f3efefSBrett Creeley * ice_vsi_is_vlan_pruning_ena - check if VLAN pruning is enabled or not 188242f3efefSBrett Creeley * @vsi: VSI to check whether or not VLAN pruning is enabled. 188342f3efefSBrett Creeley * 1884345be791SBrett Creeley * returns true if Rx VLAN pruning is enabled and false otherwise. 188542f3efefSBrett Creeley */ 188642f3efefSBrett Creeley bool ice_vsi_is_vlan_pruning_ena(struct ice_vsi *vsi) 188742f3efefSBrett Creeley { 188842f3efefSBrett Creeley if (!vsi) 188942f3efefSBrett Creeley return false; 189042f3efefSBrett Creeley 1891345be791SBrett Creeley return (vsi->info.sw_flags2 & ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA); 189242f3efefSBrett Creeley } 189342f3efefSBrett Creeley 189442f3efefSBrett Creeley /** 18955153a18eSAnirudh Venkataramanan * ice_cfg_vlan_pruning - enable or disable VLAN pruning on the VSI 18965153a18eSAnirudh Venkataramanan * @vsi: VSI to enable or disable VLAN pruning on 18975153a18eSAnirudh Venkataramanan * @ena: set to true to enable VLAN pruning and false to disable it 18985eda8afdSAkeem G Abodunrin * @vlan_promisc: enable valid security flags if not in VLAN promiscuous mode 18995153a18eSAnirudh Venkataramanan * 19005153a18eSAnirudh Venkataramanan * returns 0 if VSI is updated, negative otherwise 19015153a18eSAnirudh Venkataramanan */ 19025eda8afdSAkeem G Abodunrin int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena, bool vlan_promisc) 19035153a18eSAnirudh Venkataramanan { 19045153a18eSAnirudh Venkataramanan struct ice_vsi_ctx *ctxt; 1905819d8998SJesse Brandeburg struct ice_pf *pf; 19065153a18eSAnirudh Venkataramanan int status; 19075153a18eSAnirudh Venkataramanan 19085153a18eSAnirudh Venkataramanan if (!vsi) 19095153a18eSAnirudh Venkataramanan return -EINVAL; 19105153a18eSAnirudh Venkataramanan 1911819d8998SJesse Brandeburg pf = vsi->back; 19129efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 19135153a18eSAnirudh Venkataramanan if (!ctxt) 19145153a18eSAnirudh Venkataramanan return -ENOMEM; 19155153a18eSAnirudh Venkataramanan 19165153a18eSAnirudh Venkataramanan ctxt->info = vsi->info; 19175153a18eSAnirudh Venkataramanan 1918cd6d6b83SBrett Creeley if (ena) 19195153a18eSAnirudh Venkataramanan ctxt->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 1920cd6d6b83SBrett Creeley else 19215153a18eSAnirudh Venkataramanan ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 19225153a18eSAnirudh Venkataramanan 19235eda8afdSAkeem G Abodunrin if (!vlan_promisc) 19245eda8afdSAkeem G Abodunrin ctxt->info.valid_sections = 1925cd6d6b83SBrett Creeley cpu_to_le16(ICE_AQ_VSI_PROP_SW_VALID); 19265726ca0eSAnirudh Venkataramanan 1927819d8998SJesse Brandeburg status = ice_update_vsi(&pf->hw, vsi->idx, ctxt, NULL); 19285153a18eSAnirudh Venkataramanan if (status) { 19290fee3577SLihong Yang netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI handle: %d, VSI HW ID: %d failed, err = %s, aq_err = %s\n", 19300fee3577SLihong Yang ena ? "En" : "Dis", vsi->idx, vsi->vsi_num, 19310fee3577SLihong Yang ice_stat_str(status), 19320fee3577SLihong Yang ice_aq_str(pf->hw.adminq.sq_last_status)); 19335153a18eSAnirudh Venkataramanan goto err_out; 19345153a18eSAnirudh Venkataramanan } 19355153a18eSAnirudh Venkataramanan 19365153a18eSAnirudh Venkataramanan vsi->info.sw_flags2 = ctxt->info.sw_flags2; 19375153a18eSAnirudh Venkataramanan 19389efe35d0STony Nguyen kfree(ctxt); 19395153a18eSAnirudh Venkataramanan return 0; 19405153a18eSAnirudh Venkataramanan 19415153a18eSAnirudh Venkataramanan err_out: 19429efe35d0STony Nguyen kfree(ctxt); 19435153a18eSAnirudh Venkataramanan return -EIO; 19445153a18eSAnirudh Venkataramanan } 19455153a18eSAnirudh Venkataramanan 19467b9ffc76SAnirudh Venkataramanan static void ice_vsi_set_tc_cfg(struct ice_vsi *vsi) 19477b9ffc76SAnirudh Venkataramanan { 19487b9ffc76SAnirudh Venkataramanan struct ice_dcbx_cfg *cfg = &vsi->port_info->local_dcbx_cfg; 19497b9ffc76SAnirudh Venkataramanan 19507b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.ena_tc = ice_dcb_get_ena_tc(cfg); 19517b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.numtc = ice_dcb_get_num_tc(cfg); 19527b9ffc76SAnirudh Venkataramanan } 19537b9ffc76SAnirudh Venkataramanan 19545153a18eSAnirudh Venkataramanan /** 1955b07833a0SBrett Creeley * ice_vsi_set_q_vectors_reg_idx - set the HW register index for all q_vectors 1956b07833a0SBrett Creeley * @vsi: VSI to set the q_vectors register index on 1957b07833a0SBrett Creeley */ 1958b07833a0SBrett Creeley static int 1959b07833a0SBrett Creeley ice_vsi_set_q_vectors_reg_idx(struct ice_vsi *vsi) 1960b07833a0SBrett Creeley { 1961b07833a0SBrett Creeley u16 i; 1962b07833a0SBrett Creeley 1963b07833a0SBrett Creeley if (!vsi || !vsi->q_vectors) 1964b07833a0SBrett Creeley return -EINVAL; 1965b07833a0SBrett Creeley 1966b07833a0SBrett Creeley ice_for_each_q_vector(vsi, i) { 1967b07833a0SBrett Creeley struct ice_q_vector *q_vector = vsi->q_vectors[i]; 1968b07833a0SBrett Creeley 1969b07833a0SBrett Creeley if (!q_vector) { 197019cce2c6SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "Failed to set reg_idx on q_vector %d VSI %d\n", 1971b07833a0SBrett Creeley i, vsi->vsi_num); 1972b07833a0SBrett Creeley goto clear_reg_idx; 1973b07833a0SBrett Creeley } 1974b07833a0SBrett Creeley 1975cbe66bfeSBrett Creeley if (vsi->type == ICE_VSI_VF) { 1976cbe66bfeSBrett Creeley struct ice_vf *vf = &vsi->back->vf[vsi->vf_id]; 1977cbe66bfeSBrett Creeley 1978cbe66bfeSBrett Creeley q_vector->reg_idx = ice_calc_vf_reg_idx(vf, q_vector); 1979cbe66bfeSBrett Creeley } else { 1980cbe66bfeSBrett Creeley q_vector->reg_idx = 1981cbe66bfeSBrett Creeley q_vector->v_idx + vsi->base_vector; 1982cbe66bfeSBrett Creeley } 1983b07833a0SBrett Creeley } 1984b07833a0SBrett Creeley 1985b07833a0SBrett Creeley return 0; 1986b07833a0SBrett Creeley 1987b07833a0SBrett Creeley clear_reg_idx: 1988b07833a0SBrett Creeley ice_for_each_q_vector(vsi, i) { 1989b07833a0SBrett Creeley struct ice_q_vector *q_vector = vsi->q_vectors[i]; 1990b07833a0SBrett Creeley 1991b07833a0SBrett Creeley if (q_vector) 1992b07833a0SBrett Creeley q_vector->reg_idx = 0; 1993b07833a0SBrett Creeley } 1994b07833a0SBrett Creeley 1995b07833a0SBrett Creeley return -EINVAL; 1996b07833a0SBrett Creeley } 1997b07833a0SBrett Creeley 1998b07833a0SBrett Creeley /** 1999d95276ceSAkeem G Abodunrin * ice_vsi_add_rem_eth_mac - Program VSI ethertype based filter with rule 2000d95276ceSAkeem G Abodunrin * @vsi: the VSI being configured 2001d95276ceSAkeem G Abodunrin * @add_rule: boolean value to add or remove ethertype filter rule 2002d95276ceSAkeem G Abodunrin */ 2003d95276ceSAkeem G Abodunrin static void 2004d95276ceSAkeem G Abodunrin ice_vsi_add_rem_eth_mac(struct ice_vsi *vsi, bool add_rule) 2005d95276ceSAkeem G Abodunrin { 2006d95276ceSAkeem G Abodunrin struct ice_fltr_list_entry *list; 2007d95276ceSAkeem G Abodunrin struct ice_pf *pf = vsi->back; 2008d95276ceSAkeem G Abodunrin LIST_HEAD(tmp_add_list); 2009d95276ceSAkeem G Abodunrin enum ice_status status; 20104015d11eSBrett Creeley struct device *dev; 2011d95276ceSAkeem G Abodunrin 20124015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 20134015d11eSBrett Creeley list = devm_kzalloc(dev, sizeof(*list), GFP_KERNEL); 2014d95276ceSAkeem G Abodunrin if (!list) 2015d95276ceSAkeem G Abodunrin return; 2016d95276ceSAkeem G Abodunrin 2017d95276ceSAkeem G Abodunrin list->fltr_info.lkup_type = ICE_SW_LKUP_ETHERTYPE; 2018d95276ceSAkeem G Abodunrin list->fltr_info.fltr_act = ICE_DROP_PACKET; 2019d95276ceSAkeem G Abodunrin list->fltr_info.flag = ICE_FLTR_TX; 2020d95276ceSAkeem G Abodunrin list->fltr_info.src_id = ICE_SRC_ID_VSI; 2021d95276ceSAkeem G Abodunrin list->fltr_info.vsi_handle = vsi->idx; 2022d95276ceSAkeem G Abodunrin list->fltr_info.l_data.ethertype_mac.ethertype = vsi->ethtype; 2023d95276ceSAkeem G Abodunrin 2024d95276ceSAkeem G Abodunrin INIT_LIST_HEAD(&list->list_entry); 2025d95276ceSAkeem G Abodunrin list_add(&list->list_entry, &tmp_add_list); 2026d95276ceSAkeem G Abodunrin 2027d95276ceSAkeem G Abodunrin if (add_rule) 2028d95276ceSAkeem G Abodunrin status = ice_add_eth_mac(&pf->hw, &tmp_add_list); 2029d95276ceSAkeem G Abodunrin else 2030d95276ceSAkeem G Abodunrin status = ice_remove_eth_mac(&pf->hw, &tmp_add_list); 2031d95276ceSAkeem G Abodunrin 2032d95276ceSAkeem G Abodunrin if (status) 20330fee3577SLihong Yang dev_err(dev, "Failure Adding or Removing Ethertype on VSI %i error: %s\n", 20340fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 2035d95276ceSAkeem G Abodunrin 20364015d11eSBrett Creeley ice_free_fltr_list(dev, &tmp_add_list); 2037d95276ceSAkeem G Abodunrin } 2038d95276ceSAkeem G Abodunrin 20392e0e6228SDave Ertman /** 20402e0e6228SDave Ertman * ice_cfg_sw_lldp - Config switch rules for LLDP packet handling 20412e0e6228SDave Ertman * @vsi: the VSI being configured 20422e0e6228SDave Ertman * @tx: bool to determine Tx or Rx rule 20432e0e6228SDave Ertman * @create: bool to determine create or remove Rule 20442e0e6228SDave Ertman */ 20452e0e6228SDave Ertman void ice_cfg_sw_lldp(struct ice_vsi *vsi, bool tx, bool create) 20462e0e6228SDave Ertman { 20472e0e6228SDave Ertman struct ice_fltr_list_entry *list; 20482e0e6228SDave Ertman struct ice_pf *pf = vsi->back; 20492e0e6228SDave Ertman LIST_HEAD(tmp_add_list); 20502e0e6228SDave Ertman enum ice_status status; 20514015d11eSBrett Creeley struct device *dev; 20522e0e6228SDave Ertman 20534015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 20544015d11eSBrett Creeley list = devm_kzalloc(dev, sizeof(*list), GFP_KERNEL); 20552e0e6228SDave Ertman if (!list) 20562e0e6228SDave Ertman return; 20572e0e6228SDave Ertman 20582e0e6228SDave Ertman list->fltr_info.lkup_type = ICE_SW_LKUP_ETHERTYPE; 20592e0e6228SDave Ertman list->fltr_info.vsi_handle = vsi->idx; 20603aea1736SJeff Kirsher list->fltr_info.l_data.ethertype_mac.ethertype = ETH_P_LLDP; 20612e0e6228SDave Ertman 20622e0e6228SDave Ertman if (tx) { 20632e0e6228SDave Ertman list->fltr_info.fltr_act = ICE_DROP_PACKET; 20642e0e6228SDave Ertman list->fltr_info.flag = ICE_FLTR_TX; 20652e0e6228SDave Ertman list->fltr_info.src_id = ICE_SRC_ID_VSI; 20662e0e6228SDave Ertman } else { 20672e0e6228SDave Ertman list->fltr_info.fltr_act = ICE_FWD_TO_VSI; 20682e0e6228SDave Ertman list->fltr_info.flag = ICE_FLTR_RX; 20692e0e6228SDave Ertman list->fltr_info.src_id = ICE_SRC_ID_LPORT; 20702e0e6228SDave Ertman } 20712e0e6228SDave Ertman 20722e0e6228SDave Ertman INIT_LIST_HEAD(&list->list_entry); 20732e0e6228SDave Ertman list_add(&list->list_entry, &tmp_add_list); 20742e0e6228SDave Ertman 20752e0e6228SDave Ertman if (create) 20762e0e6228SDave Ertman status = ice_add_eth_mac(&pf->hw, &tmp_add_list); 20772e0e6228SDave Ertman else 20782e0e6228SDave Ertman status = ice_remove_eth_mac(&pf->hw, &tmp_add_list); 20792e0e6228SDave Ertman 20802e0e6228SDave Ertman if (status) 20810fee3577SLihong Yang dev_err(dev, "Fail %s %s LLDP rule on VSI %i error: %s\n", 20822e0e6228SDave Ertman create ? "adding" : "removing", tx ? "TX" : "RX", 20830fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 20842e0e6228SDave Ertman 20854015d11eSBrett Creeley ice_free_fltr_list(dev, &tmp_add_list); 20862e0e6228SDave Ertman } 20872e0e6228SDave Ertman 2088d95276ceSAkeem G Abodunrin /** 208937bb8390SAnirudh Venkataramanan * ice_vsi_setup - Set up a VSI by a given type 209037bb8390SAnirudh Venkataramanan * @pf: board private structure 209137bb8390SAnirudh Venkataramanan * @pi: pointer to the port_info instance 20926dae8aa0SBruce Allan * @vsi_type: VSI type 2093f9867df6SAnirudh Venkataramanan * @vf_id: defines VF ID to which this VSI connects. This field is meant to be 209437bb8390SAnirudh Venkataramanan * used only for ICE_VSI_VF VSI type. For other VSI types, should 209537bb8390SAnirudh Venkataramanan * fill-in ICE_INVAL_VFID as input. 209637bb8390SAnirudh Venkataramanan * 209737bb8390SAnirudh Venkataramanan * This allocates the sw VSI structure and its queue resources. 209837bb8390SAnirudh Venkataramanan * 209937bb8390SAnirudh Venkataramanan * Returns pointer to the successfully allocated and configured VSI sw struct on 210037bb8390SAnirudh Venkataramanan * success, NULL on failure. 210137bb8390SAnirudh Venkataramanan */ 210237bb8390SAnirudh Venkataramanan struct ice_vsi * 210337bb8390SAnirudh Venkataramanan ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, 21046dae8aa0SBruce Allan enum ice_vsi_type vsi_type, u16 vf_id) 210537bb8390SAnirudh Venkataramanan { 210637bb8390SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 21074015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 2108d31530e8SAkeem G Abodunrin enum ice_status status; 210937bb8390SAnirudh Venkataramanan struct ice_vsi *vsi; 211037bb8390SAnirudh Venkataramanan int ret, i; 211137bb8390SAnirudh Venkataramanan 21126dae8aa0SBruce Allan if (vsi_type == ICE_VSI_VF) 21136dae8aa0SBruce Allan vsi = ice_vsi_alloc(pf, vsi_type, vf_id); 21145743020dSAkeem G Abodunrin else 21156dae8aa0SBruce Allan vsi = ice_vsi_alloc(pf, vsi_type, ICE_INVAL_VFID); 21165743020dSAkeem G Abodunrin 211737bb8390SAnirudh Venkataramanan if (!vsi) { 211837bb8390SAnirudh Venkataramanan dev_err(dev, "could not allocate VSI\n"); 211937bb8390SAnirudh Venkataramanan return NULL; 212037bb8390SAnirudh Venkataramanan } 212137bb8390SAnirudh Venkataramanan 212237bb8390SAnirudh Venkataramanan vsi->port_info = pi; 212337bb8390SAnirudh Venkataramanan vsi->vsw = pf->first_sw; 2124d95276ceSAkeem G Abodunrin if (vsi->type == ICE_VSI_PF) 2125d95276ceSAkeem G Abodunrin vsi->ethtype = ETH_P_PAUSE; 2126d95276ceSAkeem G Abodunrin 21278ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 21288ede0178SAnirudh Venkataramanan vsi->vf_id = vf_id; 212937bb8390SAnirudh Venkataramanan 213037bb8390SAnirudh Venkataramanan if (ice_vsi_get_qs(vsi)) { 213137bb8390SAnirudh Venkataramanan dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n", 213237bb8390SAnirudh Venkataramanan vsi->idx); 213337bb8390SAnirudh Venkataramanan goto unroll_get_qs; 213437bb8390SAnirudh Venkataramanan } 213537bb8390SAnirudh Venkataramanan 213637bb8390SAnirudh Venkataramanan /* set RSS capabilities */ 213737bb8390SAnirudh Venkataramanan ice_vsi_set_rss_params(vsi); 213837bb8390SAnirudh Venkataramanan 2139f9867df6SAnirudh Venkataramanan /* set TC configuration */ 2140c5a2a4a3SUsha Ketineni ice_vsi_set_tc_cfg(vsi); 2141c5a2a4a3SUsha Ketineni 214237bb8390SAnirudh Venkataramanan /* create the VSI */ 214387324e74SHenry Tieman ret = ice_vsi_init(vsi, true); 214437bb8390SAnirudh Venkataramanan if (ret) 214537bb8390SAnirudh Venkataramanan goto unroll_get_qs; 214637bb8390SAnirudh Venkataramanan 214737bb8390SAnirudh Venkataramanan switch (vsi->type) { 214837bb8390SAnirudh Venkataramanan case ICE_VSI_PF: 214937bb8390SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 215037bb8390SAnirudh Venkataramanan if (ret) 215137bb8390SAnirudh Venkataramanan goto unroll_vsi_init; 215237bb8390SAnirudh Venkataramanan 215337bb8390SAnirudh Venkataramanan ret = ice_vsi_setup_vector_base(vsi); 215437bb8390SAnirudh Venkataramanan if (ret) 215537bb8390SAnirudh Venkataramanan goto unroll_alloc_q_vector; 215637bb8390SAnirudh Venkataramanan 2157b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2158b07833a0SBrett Creeley if (ret) 2159b07833a0SBrett Creeley goto unroll_vector_base; 2160b07833a0SBrett Creeley 216137bb8390SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 216237bb8390SAnirudh Venkataramanan if (ret) 216337bb8390SAnirudh Venkataramanan goto unroll_vector_base; 216437bb8390SAnirudh Venkataramanan 216542f3efefSBrett Creeley /* Always add VLAN ID 0 switch rule by default. This is needed 216642f3efefSBrett Creeley * in order to allow all untagged and 0 tagged priority traffic 216742f3efefSBrett Creeley * if Rx VLAN pruning is enabled. Also there are cases where we 216842f3efefSBrett Creeley * don't get the call to add VLAN 0 via ice_vlan_rx_add_vid() 216942f3efefSBrett Creeley * so this handles those cases (i.e. adding the PF to a bridge 217042f3efefSBrett Creeley * without the 8021q module loaded). 217142f3efefSBrett Creeley */ 217242f3efefSBrett Creeley ret = ice_vsi_add_vlan(vsi, 0); 217342f3efefSBrett Creeley if (ret) 217442f3efefSBrett Creeley goto unroll_clear_rings; 217542f3efefSBrett Creeley 217637bb8390SAnirudh Venkataramanan ice_vsi_map_rings_to_vectors(vsi); 217737bb8390SAnirudh Venkataramanan 217837bb8390SAnirudh Venkataramanan /* Do not exit if configuring RSS had an issue, at least 217937bb8390SAnirudh Venkataramanan * receive traffic on first queue. Hence no need to capture 218037bb8390SAnirudh Venkataramanan * return value 218137bb8390SAnirudh Venkataramanan */ 2182c90ed40cSTony Nguyen if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 218337bb8390SAnirudh Venkataramanan ice_vsi_cfg_rss_lut_key(vsi); 2184c90ed40cSTony Nguyen ice_vsi_set_rss_flow_fld(vsi); 2185c90ed40cSTony Nguyen } 218637bb8390SAnirudh Venkataramanan break; 21878ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 21888ede0178SAnirudh Venkataramanan /* VF driver will take care of creating netdev for this type and 21898ede0178SAnirudh Venkataramanan * map queues to vectors through Virtchnl, PF driver only 21908ede0178SAnirudh Venkataramanan * creates a VSI and corresponding structures for bookkeeping 21918ede0178SAnirudh Venkataramanan * purpose 21928ede0178SAnirudh Venkataramanan */ 21938ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 21948ede0178SAnirudh Venkataramanan if (ret) 21958ede0178SAnirudh Venkataramanan goto unroll_vsi_init; 21968ede0178SAnirudh Venkataramanan 21978ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 21988ede0178SAnirudh Venkataramanan if (ret) 21998ede0178SAnirudh Venkataramanan goto unroll_alloc_q_vector; 22008ede0178SAnirudh Venkataramanan 2201b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2202b07833a0SBrett Creeley if (ret) 2203b07833a0SBrett Creeley goto unroll_vector_base; 2204b07833a0SBrett Creeley 22053a9e32bbSMd Fahad Iqbal Polash /* Do not exit if configuring RSS had an issue, at least 22063a9e32bbSMd Fahad Iqbal Polash * receive traffic on first queue. Hence no need to capture 22073a9e32bbSMd Fahad Iqbal Polash * return value 22083a9e32bbSMd Fahad Iqbal Polash */ 22091c01c8c6SMd Fahad Iqbal Polash if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 22103a9e32bbSMd Fahad Iqbal Polash ice_vsi_cfg_rss_lut_key(vsi); 22111c01c8c6SMd Fahad Iqbal Polash ice_vsi_set_vf_rss_flow_fld(vsi); 22121c01c8c6SMd Fahad Iqbal Polash } 22138ede0178SAnirudh Venkataramanan break; 22140e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 22150e674aebSAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 22160e674aebSAnirudh Venkataramanan if (ret) 22170e674aebSAnirudh Venkataramanan goto unroll_vsi_init; 22180e674aebSAnirudh Venkataramanan break; 221937bb8390SAnirudh Venkataramanan default: 2220df17b7e0SAnirudh Venkataramanan /* clean up the resources and exit */ 222137bb8390SAnirudh Venkataramanan goto unroll_vsi_init; 222237bb8390SAnirudh Venkataramanan } 222337bb8390SAnirudh Venkataramanan 222437bb8390SAnirudh Venkataramanan /* configure VSI nodes based on number of queues and TC's */ 222537bb8390SAnirudh Venkataramanan for (i = 0; i < vsi->tc_cfg.numtc; i++) 2226d5a46359SAkeem G Abodunrin max_txqs[i] = vsi->alloc_txq; 222737bb8390SAnirudh Venkataramanan 2228d31530e8SAkeem G Abodunrin status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 22294fb33f31SAnirudh Venkataramanan max_txqs); 2230d31530e8SAkeem G Abodunrin if (status) { 22310fee3577SLihong Yang dev_err(dev, "VSI %d failed lan queue config, error %s\n", 22320fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 223337bb8390SAnirudh Venkataramanan goto unroll_vector_base; 223437bb8390SAnirudh Venkataramanan } 223537bb8390SAnirudh Venkataramanan 2236d95276ceSAkeem G Abodunrin /* Add switch rule to drop all Tx Flow Control Frames, of look up 2237d95276ceSAkeem G Abodunrin * type ETHERTYPE from VSIs, and restrict malicious VF from sending 2238d95276ceSAkeem G Abodunrin * out PAUSE or PFC frames. If enabled, FW can still send FC frames. 2239d95276ceSAkeem G Abodunrin * The rule is added once for PF VSI in order to create appropriate 2240d95276ceSAkeem G Abodunrin * recipe, since VSI/VSI list is ignored with drop action... 2241241c8cf0SPaul Greenwalt * Also add rules to handle LLDP Tx packets. Tx LLDP packets need to 2242241c8cf0SPaul Greenwalt * be dropped so that VFs cannot send LLDP packets to reconfig DCB 2243241c8cf0SPaul Greenwalt * settings in the HW. 2244d95276ceSAkeem G Abodunrin */ 2245241c8cf0SPaul Greenwalt if (!ice_is_safe_mode(pf)) 22462e0e6228SDave Ertman if (vsi->type == ICE_VSI_PF) { 2247d95276ceSAkeem G Abodunrin ice_vsi_add_rem_eth_mac(vsi, true); 2248d95276ceSAkeem G Abodunrin 22492e0e6228SDave Ertman /* Tx LLDP packets */ 22502e0e6228SDave Ertman ice_cfg_sw_lldp(vsi, true, true); 2251462acf6aSTony Nguyen } 22522e0e6228SDave Ertman 225337bb8390SAnirudh Venkataramanan return vsi; 225437bb8390SAnirudh Venkataramanan 225542f3efefSBrett Creeley unroll_clear_rings: 225642f3efefSBrett Creeley ice_vsi_clear_rings(vsi); 225737bb8390SAnirudh Venkataramanan unroll_vector_base: 2258eb0208ecSPreethi Banala /* reclaim SW interrupts back to the common pool */ 2259cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 2260eb0208ecSPreethi Banala pf->num_avail_sw_msix += vsi->num_q_vectors; 226137bb8390SAnirudh Venkataramanan unroll_alloc_q_vector: 226237bb8390SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 226337bb8390SAnirudh Venkataramanan unroll_vsi_init: 226437bb8390SAnirudh Venkataramanan ice_vsi_delete(vsi); 226537bb8390SAnirudh Venkataramanan unroll_get_qs: 226637bb8390SAnirudh Venkataramanan ice_vsi_put_qs(vsi); 226737bb8390SAnirudh Venkataramanan ice_vsi_clear(vsi); 226837bb8390SAnirudh Venkataramanan 226937bb8390SAnirudh Venkataramanan return NULL; 227037bb8390SAnirudh Venkataramanan } 227137bb8390SAnirudh Venkataramanan 227237bb8390SAnirudh Venkataramanan /** 22735153a18eSAnirudh Venkataramanan * ice_vsi_release_msix - Clear the queue to Interrupt mapping in HW 22745153a18eSAnirudh Venkataramanan * @vsi: the VSI being cleaned up 22755153a18eSAnirudh Venkataramanan */ 22765153a18eSAnirudh Venkataramanan static void ice_vsi_release_msix(struct ice_vsi *vsi) 22775153a18eSAnirudh Venkataramanan { 22785153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 22795153a18eSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 22805153a18eSAnirudh Venkataramanan u32 txq = 0; 22815153a18eSAnirudh Venkataramanan u32 rxq = 0; 22825153a18eSAnirudh Venkataramanan int i, q; 22835153a18eSAnirudh Venkataramanan 2284cbe66bfeSBrett Creeley for (i = 0; i < vsi->num_q_vectors; i++) { 22855153a18eSAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[i]; 2286cbe66bfeSBrett Creeley u16 reg_idx = q_vector->reg_idx; 22875153a18eSAnirudh Venkataramanan 2288cbe66bfeSBrett Creeley wr32(hw, GLINT_ITR(ICE_IDX_ITR0, reg_idx), 0); 2289cbe66bfeSBrett Creeley wr32(hw, GLINT_ITR(ICE_IDX_ITR1, reg_idx), 0); 22905153a18eSAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_tx; q++) { 22915153a18eSAnirudh Venkataramanan wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0); 2292efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) { 2293efc2214bSMaciej Fijalkowski u32 xdp_txq = txq + vsi->num_xdp_txq; 2294efc2214bSMaciej Fijalkowski 2295efc2214bSMaciej Fijalkowski wr32(hw, QINT_TQCTL(vsi->txq_map[xdp_txq]), 0); 2296efc2214bSMaciej Fijalkowski } 22975153a18eSAnirudh Venkataramanan txq++; 22985153a18eSAnirudh Venkataramanan } 22995153a18eSAnirudh Venkataramanan 23005153a18eSAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_rx; q++) { 23015153a18eSAnirudh Venkataramanan wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), 0); 23025153a18eSAnirudh Venkataramanan rxq++; 23035153a18eSAnirudh Venkataramanan } 23045153a18eSAnirudh Venkataramanan } 23055153a18eSAnirudh Venkataramanan 23065153a18eSAnirudh Venkataramanan ice_flush(hw); 23075153a18eSAnirudh Venkataramanan } 23085153a18eSAnirudh Venkataramanan 23095153a18eSAnirudh Venkataramanan /** 23105153a18eSAnirudh Venkataramanan * ice_vsi_free_irq - Free the IRQ association with the OS 23115153a18eSAnirudh Venkataramanan * @vsi: the VSI being configured 23125153a18eSAnirudh Venkataramanan */ 23135153a18eSAnirudh Venkataramanan void ice_vsi_free_irq(struct ice_vsi *vsi) 23145153a18eSAnirudh Venkataramanan { 23155153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 2316cbe66bfeSBrett Creeley int base = vsi->base_vector; 23175153a18eSAnirudh Venkataramanan int i; 23185153a18eSAnirudh Venkataramanan 23195153a18eSAnirudh Venkataramanan if (!vsi->q_vectors || !vsi->irqs_ready) 23205153a18eSAnirudh Venkataramanan return; 23215153a18eSAnirudh Venkataramanan 2322eb0208ecSPreethi Banala ice_vsi_release_msix(vsi); 23238ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 23248ede0178SAnirudh Venkataramanan return; 2325eb0208ecSPreethi Banala 23265153a18eSAnirudh Venkataramanan vsi->irqs_ready = false; 23270c2561c8SBrett Creeley ice_for_each_q_vector(vsi, i) { 23285153a18eSAnirudh Venkataramanan u16 vector = i + base; 23295153a18eSAnirudh Venkataramanan int irq_num; 23305153a18eSAnirudh Venkataramanan 23315153a18eSAnirudh Venkataramanan irq_num = pf->msix_entries[vector].vector; 23325153a18eSAnirudh Venkataramanan 23335153a18eSAnirudh Venkataramanan /* free only the irqs that were actually requested */ 23345153a18eSAnirudh Venkataramanan if (!vsi->q_vectors[i] || 23355153a18eSAnirudh Venkataramanan !(vsi->q_vectors[i]->num_ring_tx || 23365153a18eSAnirudh Venkataramanan vsi->q_vectors[i]->num_ring_rx)) 23375153a18eSAnirudh Venkataramanan continue; 23385153a18eSAnirudh Venkataramanan 23395153a18eSAnirudh Venkataramanan /* clear the affinity notifier in the IRQ descriptor */ 23405153a18eSAnirudh Venkataramanan irq_set_affinity_notifier(irq_num, NULL); 23415153a18eSAnirudh Venkataramanan 23425153a18eSAnirudh Venkataramanan /* clear the affinity_mask in the IRQ descriptor */ 23435153a18eSAnirudh Venkataramanan irq_set_affinity_hint(irq_num, NULL); 23445153a18eSAnirudh Venkataramanan synchronize_irq(irq_num); 23454015d11eSBrett Creeley devm_free_irq(ice_pf_to_dev(pf), irq_num, vsi->q_vectors[i]); 23465153a18eSAnirudh Venkataramanan } 23475153a18eSAnirudh Venkataramanan } 23485153a18eSAnirudh Venkataramanan 23495153a18eSAnirudh Venkataramanan /** 23505153a18eSAnirudh Venkataramanan * ice_vsi_free_tx_rings - Free Tx resources for VSI queues 23515153a18eSAnirudh Venkataramanan * @vsi: the VSI having resources freed 23525153a18eSAnirudh Venkataramanan */ 23535153a18eSAnirudh Venkataramanan void ice_vsi_free_tx_rings(struct ice_vsi *vsi) 23545153a18eSAnirudh Venkataramanan { 23555153a18eSAnirudh Venkataramanan int i; 23565153a18eSAnirudh Venkataramanan 23575153a18eSAnirudh Venkataramanan if (!vsi->tx_rings) 23585153a18eSAnirudh Venkataramanan return; 23595153a18eSAnirudh Venkataramanan 23605153a18eSAnirudh Venkataramanan ice_for_each_txq(vsi, i) 23615153a18eSAnirudh Venkataramanan if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc) 23625153a18eSAnirudh Venkataramanan ice_free_tx_ring(vsi->tx_rings[i]); 23635153a18eSAnirudh Venkataramanan } 23645153a18eSAnirudh Venkataramanan 23655153a18eSAnirudh Venkataramanan /** 23665153a18eSAnirudh Venkataramanan * ice_vsi_free_rx_rings - Free Rx resources for VSI queues 23675153a18eSAnirudh Venkataramanan * @vsi: the VSI having resources freed 23685153a18eSAnirudh Venkataramanan */ 23695153a18eSAnirudh Venkataramanan void ice_vsi_free_rx_rings(struct ice_vsi *vsi) 23705153a18eSAnirudh Venkataramanan { 23715153a18eSAnirudh Venkataramanan int i; 23725153a18eSAnirudh Venkataramanan 23735153a18eSAnirudh Venkataramanan if (!vsi->rx_rings) 23745153a18eSAnirudh Venkataramanan return; 23755153a18eSAnirudh Venkataramanan 23765153a18eSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) 23775153a18eSAnirudh Venkataramanan if (vsi->rx_rings[i] && vsi->rx_rings[i]->desc) 23785153a18eSAnirudh Venkataramanan ice_free_rx_ring(vsi->rx_rings[i]); 23795153a18eSAnirudh Venkataramanan } 23805153a18eSAnirudh Venkataramanan 23815153a18eSAnirudh Venkataramanan /** 238207309a0eSAnirudh Venkataramanan * ice_vsi_close - Shut down a VSI 238307309a0eSAnirudh Venkataramanan * @vsi: the VSI being shut down 238407309a0eSAnirudh Venkataramanan */ 238507309a0eSAnirudh Venkataramanan void ice_vsi_close(struct ice_vsi *vsi) 238607309a0eSAnirudh Venkataramanan { 238707309a0eSAnirudh Venkataramanan if (!test_and_set_bit(__ICE_DOWN, vsi->state)) 238807309a0eSAnirudh Venkataramanan ice_down(vsi); 238907309a0eSAnirudh Venkataramanan 239007309a0eSAnirudh Venkataramanan ice_vsi_free_irq(vsi); 239107309a0eSAnirudh Venkataramanan ice_vsi_free_tx_rings(vsi); 239207309a0eSAnirudh Venkataramanan ice_vsi_free_rx_rings(vsi); 239307309a0eSAnirudh Venkataramanan } 239407309a0eSAnirudh Venkataramanan 239507309a0eSAnirudh Venkataramanan /** 23969d614b64SAnirudh Venkataramanan * ice_ena_vsi - resume a VSI 23979d614b64SAnirudh Venkataramanan * @vsi: the VSI being resume 23989d614b64SAnirudh Venkataramanan * @locked: is the rtnl_lock already held 23999d614b64SAnirudh Venkataramanan */ 24009d614b64SAnirudh Venkataramanan int ice_ena_vsi(struct ice_vsi *vsi, bool locked) 24019d614b64SAnirudh Venkataramanan { 24029d614b64SAnirudh Venkataramanan int err = 0; 24039d614b64SAnirudh Venkataramanan 24049d614b64SAnirudh Venkataramanan if (!test_bit(__ICE_NEEDS_RESTART, vsi->state)) 24059d614b64SAnirudh Venkataramanan return 0; 24069d614b64SAnirudh Venkataramanan 24079d614b64SAnirudh Venkataramanan clear_bit(__ICE_NEEDS_RESTART, vsi->state); 24089d614b64SAnirudh Venkataramanan 24099d614b64SAnirudh Venkataramanan if (vsi->netdev && vsi->type == ICE_VSI_PF) { 24109d614b64SAnirudh Venkataramanan if (netif_running(vsi->netdev)) { 24119d614b64SAnirudh Venkataramanan if (!locked) 24129d614b64SAnirudh Venkataramanan rtnl_lock(); 24139d614b64SAnirudh Venkataramanan 24149d614b64SAnirudh Venkataramanan err = ice_open(vsi->netdev); 24159d614b64SAnirudh Venkataramanan 24169d614b64SAnirudh Venkataramanan if (!locked) 24179d614b64SAnirudh Venkataramanan rtnl_unlock(); 24189d614b64SAnirudh Venkataramanan } 24199d614b64SAnirudh Venkataramanan } 24209d614b64SAnirudh Venkataramanan 24219d614b64SAnirudh Venkataramanan return err; 24229d614b64SAnirudh Venkataramanan } 24239d614b64SAnirudh Venkataramanan 24249d614b64SAnirudh Venkataramanan /** 24259d614b64SAnirudh Venkataramanan * ice_dis_vsi - pause a VSI 24269d614b64SAnirudh Venkataramanan * @vsi: the VSI being paused 24279d614b64SAnirudh Venkataramanan * @locked: is the rtnl_lock already held 24289d614b64SAnirudh Venkataramanan */ 24299d614b64SAnirudh Venkataramanan void ice_dis_vsi(struct ice_vsi *vsi, bool locked) 24309d614b64SAnirudh Venkataramanan { 24319d614b64SAnirudh Venkataramanan if (test_bit(__ICE_DOWN, vsi->state)) 24329d614b64SAnirudh Venkataramanan return; 24339d614b64SAnirudh Venkataramanan 24349d614b64SAnirudh Venkataramanan set_bit(__ICE_NEEDS_RESTART, vsi->state); 24359d614b64SAnirudh Venkataramanan 24369d614b64SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF && vsi->netdev) { 24379d614b64SAnirudh Venkataramanan if (netif_running(vsi->netdev)) { 24389d614b64SAnirudh Venkataramanan if (!locked) 24399d614b64SAnirudh Venkataramanan rtnl_lock(); 24409d614b64SAnirudh Venkataramanan 24419d614b64SAnirudh Venkataramanan ice_stop(vsi->netdev); 24429d614b64SAnirudh Venkataramanan 24439d614b64SAnirudh Venkataramanan if (!locked) 24449d614b64SAnirudh Venkataramanan rtnl_unlock(); 24459d614b64SAnirudh Venkataramanan } else { 24469d614b64SAnirudh Venkataramanan ice_vsi_close(vsi); 24479d614b64SAnirudh Venkataramanan } 24489d614b64SAnirudh Venkataramanan } 24499d614b64SAnirudh Venkataramanan } 24509d614b64SAnirudh Venkataramanan 24519d614b64SAnirudh Venkataramanan /** 24525153a18eSAnirudh Venkataramanan * ice_vsi_dis_irq - Mask off queue interrupt generation on the VSI 24535153a18eSAnirudh Venkataramanan * @vsi: the VSI being un-configured 24545153a18eSAnirudh Venkataramanan */ 24555153a18eSAnirudh Venkataramanan void ice_vsi_dis_irq(struct ice_vsi *vsi) 24565153a18eSAnirudh Venkataramanan { 2457cbe66bfeSBrett Creeley int base = vsi->base_vector; 24585153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 24595153a18eSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 24605153a18eSAnirudh Venkataramanan u32 val; 24615153a18eSAnirudh Venkataramanan int i; 24625153a18eSAnirudh Venkataramanan 24635153a18eSAnirudh Venkataramanan /* disable interrupt causation from each queue */ 24645153a18eSAnirudh Venkataramanan if (vsi->tx_rings) { 24655153a18eSAnirudh Venkataramanan ice_for_each_txq(vsi, i) { 24665153a18eSAnirudh Venkataramanan if (vsi->tx_rings[i]) { 24675153a18eSAnirudh Venkataramanan u16 reg; 24685153a18eSAnirudh Venkataramanan 24695153a18eSAnirudh Venkataramanan reg = vsi->tx_rings[i]->reg_idx; 24705153a18eSAnirudh Venkataramanan val = rd32(hw, QINT_TQCTL(reg)); 24715153a18eSAnirudh Venkataramanan val &= ~QINT_TQCTL_CAUSE_ENA_M; 24725153a18eSAnirudh Venkataramanan wr32(hw, QINT_TQCTL(reg), val); 24735153a18eSAnirudh Venkataramanan } 24745153a18eSAnirudh Venkataramanan } 24755153a18eSAnirudh Venkataramanan } 24765153a18eSAnirudh Venkataramanan 24775153a18eSAnirudh Venkataramanan if (vsi->rx_rings) { 24785153a18eSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) { 24795153a18eSAnirudh Venkataramanan if (vsi->rx_rings[i]) { 24805153a18eSAnirudh Venkataramanan u16 reg; 24815153a18eSAnirudh Venkataramanan 24825153a18eSAnirudh Venkataramanan reg = vsi->rx_rings[i]->reg_idx; 24835153a18eSAnirudh Venkataramanan val = rd32(hw, QINT_RQCTL(reg)); 24845153a18eSAnirudh Venkataramanan val &= ~QINT_RQCTL_CAUSE_ENA_M; 24855153a18eSAnirudh Venkataramanan wr32(hw, QINT_RQCTL(reg), val); 24865153a18eSAnirudh Venkataramanan } 24875153a18eSAnirudh Venkataramanan } 24885153a18eSAnirudh Venkataramanan } 24895153a18eSAnirudh Venkataramanan 24905153a18eSAnirudh Venkataramanan /* disable each interrupt */ 2491462acf6aSTony Nguyen ice_for_each_q_vector(vsi, i) { 2492462acf6aSTony Nguyen if (!vsi->q_vectors[i]) 2493462acf6aSTony Nguyen continue; 2494b07833a0SBrett Creeley wr32(hw, GLINT_DYN_CTL(vsi->q_vectors[i]->reg_idx), 0); 2495462acf6aSTony Nguyen } 24965153a18eSAnirudh Venkataramanan 24975153a18eSAnirudh Venkataramanan ice_flush(hw); 2498b07833a0SBrett Creeley 2499da4a9e73SBrett Creeley /* don't call synchronize_irq() for VF's from the host */ 2500da4a9e73SBrett Creeley if (vsi->type == ICE_VSI_VF) 2501da4a9e73SBrett Creeley return; 2502da4a9e73SBrett Creeley 25030c2561c8SBrett Creeley ice_for_each_q_vector(vsi, i) 25045153a18eSAnirudh Venkataramanan synchronize_irq(pf->msix_entries[i + base].vector); 25055153a18eSAnirudh Venkataramanan } 25065153a18eSAnirudh Venkataramanan 25075153a18eSAnirudh Venkataramanan /** 2508561f4379STony Nguyen * ice_napi_del - Remove NAPI handler for the VSI 2509561f4379STony Nguyen * @vsi: VSI for which NAPI handler is to be removed 2510561f4379STony Nguyen */ 2511561f4379STony Nguyen void ice_napi_del(struct ice_vsi *vsi) 2512561f4379STony Nguyen { 2513561f4379STony Nguyen int v_idx; 2514561f4379STony Nguyen 2515561f4379STony Nguyen if (!vsi->netdev) 2516561f4379STony Nguyen return; 2517561f4379STony Nguyen 2518561f4379STony Nguyen ice_for_each_q_vector(vsi, v_idx) 2519561f4379STony Nguyen netif_napi_del(&vsi->q_vectors[v_idx]->napi); 2520561f4379STony Nguyen } 2521561f4379STony Nguyen 2522561f4379STony Nguyen /** 2523df0f8479SAnirudh Venkataramanan * ice_vsi_release - Delete a VSI and free its resources 2524df0f8479SAnirudh Venkataramanan * @vsi: the VSI being removed 2525df0f8479SAnirudh Venkataramanan * 2526df0f8479SAnirudh Venkataramanan * Returns 0 on success or < 0 on error 2527df0f8479SAnirudh Venkataramanan */ 2528df0f8479SAnirudh Venkataramanan int ice_vsi_release(struct ice_vsi *vsi) 2529df0f8479SAnirudh Venkataramanan { 2530df0f8479SAnirudh Venkataramanan struct ice_pf *pf; 2531df0f8479SAnirudh Venkataramanan 2532df0f8479SAnirudh Venkataramanan if (!vsi->back) 2533df0f8479SAnirudh Venkataramanan return -ENODEV; 2534df0f8479SAnirudh Venkataramanan pf = vsi->back; 2535b751930cSBrett Creeley 2536aa6ccf3fSBrett Creeley /* do not unregister while driver is in the reset recovery pending 2537aa6ccf3fSBrett Creeley * state. Since reset/rebuild happens through PF service task workqueue, 2538aa6ccf3fSBrett Creeley * it's not a good idea to unregister netdev that is associated to the 2539aa6ccf3fSBrett Creeley * PF that is running the work queue items currently. This is done to 2540aa6ccf3fSBrett Creeley * avoid check_flush_dependency() warning on this wq 2541df0f8479SAnirudh Venkataramanan */ 2542aa6ccf3fSBrett Creeley if (vsi->netdev && !ice_is_reset_in_progress(pf->state)) 2543df0f8479SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 2544df0f8479SAnirudh Venkataramanan 2545df0f8479SAnirudh Venkataramanan if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 2546df0f8479SAnirudh Venkataramanan ice_rss_clean(vsi); 2547df0f8479SAnirudh Venkataramanan 2548df0f8479SAnirudh Venkataramanan /* Disable VSI and free resources */ 25490e674aebSAnirudh Venkataramanan if (vsi->type != ICE_VSI_LB) 2550df0f8479SAnirudh Venkataramanan ice_vsi_dis_irq(vsi); 2551df0f8479SAnirudh Venkataramanan ice_vsi_close(vsi); 2552df0f8479SAnirudh Venkataramanan 2553cbe66bfeSBrett Creeley /* SR-IOV determines needed MSIX resources all at once instead of per 2554cbe66bfeSBrett Creeley * VSI since when VFs are spawned we know how many VFs there are and how 2555cbe66bfeSBrett Creeley * many interrupts each VF needs. SR-IOV MSIX resources are also 2556cbe66bfeSBrett Creeley * cleared in the same manner. 2557cbe66bfeSBrett Creeley */ 25588ede0178SAnirudh Venkataramanan if (vsi->type != ICE_VSI_VF) { 25598ede0178SAnirudh Venkataramanan /* reclaim SW interrupts back to the common pool */ 2560cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 2561eb0208ecSPreethi Banala pf->num_avail_sw_msix += vsi->num_q_vectors; 25628ede0178SAnirudh Venkataramanan } 2563df0f8479SAnirudh Venkataramanan 2564462acf6aSTony Nguyen if (!ice_is_safe_mode(pf)) { 25652e0e6228SDave Ertman if (vsi->type == ICE_VSI_PF) { 2566d95276ceSAkeem G Abodunrin ice_vsi_add_rem_eth_mac(vsi, false); 25672e0e6228SDave Ertman ice_cfg_sw_lldp(vsi, true, false); 25682e0e6228SDave Ertman /* The Rx rule will only exist to remove if the LLDP FW 25692e0e6228SDave Ertman * engine is currently stopped 25702e0e6228SDave Ertman */ 257184a118abSDave Ertman if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) 25722e0e6228SDave Ertman ice_cfg_sw_lldp(vsi, false, false); 25732e0e6228SDave Ertman } 2574462acf6aSTony Nguyen } 2575d95276ceSAkeem G Abodunrin 25765726ca0eSAnirudh Venkataramanan ice_remove_vsi_fltr(&pf->hw, vsi->idx); 257710e03a22SAnirudh Venkataramanan ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); 2578df0f8479SAnirudh Venkataramanan ice_vsi_delete(vsi); 2579df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 2580aa6ccf3fSBrett Creeley 2581aa6ccf3fSBrett Creeley /* make sure unregister_netdev() was called by checking __ICE_DOWN */ 2582aa6ccf3fSBrett Creeley if (vsi->netdev && test_bit(__ICE_DOWN, vsi->state)) { 2583aa6ccf3fSBrett Creeley free_netdev(vsi->netdev); 2584aa6ccf3fSBrett Creeley vsi->netdev = NULL; 2585aa6ccf3fSBrett Creeley } 2586aa6ccf3fSBrett Creeley 2587df0f8479SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 2588df0f8479SAnirudh Venkataramanan 2589df0f8479SAnirudh Venkataramanan ice_vsi_put_qs(vsi); 2590df0f8479SAnirudh Venkataramanan 2591df0f8479SAnirudh Venkataramanan /* retain SW VSI data structure since it is needed to unregister and 2592df0f8479SAnirudh Venkataramanan * free VSI netdev when PF is not in reset recovery pending state,\ 2593df0f8479SAnirudh Venkataramanan * for ex: during rmmod. 2594df0f8479SAnirudh Venkataramanan */ 25955df7e45dSDave Ertman if (!ice_is_reset_in_progress(pf->state)) 2596df0f8479SAnirudh Venkataramanan ice_vsi_clear(vsi); 2597df0f8479SAnirudh Venkataramanan 2598df0f8479SAnirudh Venkataramanan return 0; 2599df0f8479SAnirudh Venkataramanan } 2600df0f8479SAnirudh Venkataramanan 2601df0f8479SAnirudh Venkataramanan /** 260261dc79ceSMichal Swiatkowski * ice_vsi_rebuild_update_coalesce - set coalesce for a q_vector 260361dc79ceSMichal Swiatkowski * @q_vector: pointer to q_vector which is being updated 260461dc79ceSMichal Swiatkowski * @coalesce: pointer to array of struct with stored coalesce 260561dc79ceSMichal Swiatkowski * 260661dc79ceSMichal Swiatkowski * Set coalesce param in q_vector and update these parameters in HW. 260761dc79ceSMichal Swiatkowski */ 260861dc79ceSMichal Swiatkowski static void 260961dc79ceSMichal Swiatkowski ice_vsi_rebuild_update_coalesce(struct ice_q_vector *q_vector, 261061dc79ceSMichal Swiatkowski struct ice_coalesce_stored *coalesce) 261161dc79ceSMichal Swiatkowski { 261261dc79ceSMichal Swiatkowski struct ice_ring_container *rx_rc = &q_vector->rx; 261361dc79ceSMichal Swiatkowski struct ice_ring_container *tx_rc = &q_vector->tx; 261461dc79ceSMichal Swiatkowski struct ice_hw *hw = &q_vector->vsi->back->hw; 261561dc79ceSMichal Swiatkowski 261661dc79ceSMichal Swiatkowski tx_rc->itr_setting = coalesce->itr_tx; 261761dc79ceSMichal Swiatkowski rx_rc->itr_setting = coalesce->itr_rx; 261861dc79ceSMichal Swiatkowski 261961dc79ceSMichal Swiatkowski /* dynamic ITR values will be updated during Tx/Rx */ 262061dc79ceSMichal Swiatkowski if (!ITR_IS_DYNAMIC(tx_rc->itr_setting)) 262161dc79ceSMichal Swiatkowski wr32(hw, GLINT_ITR(tx_rc->itr_idx, q_vector->reg_idx), 262261dc79ceSMichal Swiatkowski ITR_REG_ALIGN(tx_rc->itr_setting) >> 262361dc79ceSMichal Swiatkowski ICE_ITR_GRAN_S); 262461dc79ceSMichal Swiatkowski if (!ITR_IS_DYNAMIC(rx_rc->itr_setting)) 262561dc79ceSMichal Swiatkowski wr32(hw, GLINT_ITR(rx_rc->itr_idx, q_vector->reg_idx), 262661dc79ceSMichal Swiatkowski ITR_REG_ALIGN(rx_rc->itr_setting) >> 262761dc79ceSMichal Swiatkowski ICE_ITR_GRAN_S); 262861dc79ceSMichal Swiatkowski 262961dc79ceSMichal Swiatkowski q_vector->intrl = coalesce->intrl; 263061dc79ceSMichal Swiatkowski wr32(hw, GLINT_RATE(q_vector->reg_idx), 263161dc79ceSMichal Swiatkowski ice_intrl_usec_to_reg(q_vector->intrl, hw->intrl_gran)); 263261dc79ceSMichal Swiatkowski } 263361dc79ceSMichal Swiatkowski 263461dc79ceSMichal Swiatkowski /** 263561dc79ceSMichal Swiatkowski * ice_vsi_rebuild_get_coalesce - get coalesce from all q_vectors 263661dc79ceSMichal Swiatkowski * @vsi: VSI connected with q_vectors 263761dc79ceSMichal Swiatkowski * @coalesce: array of struct with stored coalesce 263861dc79ceSMichal Swiatkowski * 263961dc79ceSMichal Swiatkowski * Returns array size. 264061dc79ceSMichal Swiatkowski */ 264161dc79ceSMichal Swiatkowski static int 264261dc79ceSMichal Swiatkowski ice_vsi_rebuild_get_coalesce(struct ice_vsi *vsi, 264361dc79ceSMichal Swiatkowski struct ice_coalesce_stored *coalesce) 264461dc79ceSMichal Swiatkowski { 264561dc79ceSMichal Swiatkowski int i; 264661dc79ceSMichal Swiatkowski 264761dc79ceSMichal Swiatkowski ice_for_each_q_vector(vsi, i) { 264861dc79ceSMichal Swiatkowski struct ice_q_vector *q_vector = vsi->q_vectors[i]; 264961dc79ceSMichal Swiatkowski 265061dc79ceSMichal Swiatkowski coalesce[i].itr_tx = q_vector->tx.itr_setting; 265161dc79ceSMichal Swiatkowski coalesce[i].itr_rx = q_vector->rx.itr_setting; 265261dc79ceSMichal Swiatkowski coalesce[i].intrl = q_vector->intrl; 265361dc79ceSMichal Swiatkowski } 265461dc79ceSMichal Swiatkowski 265561dc79ceSMichal Swiatkowski return vsi->num_q_vectors; 265661dc79ceSMichal Swiatkowski } 265761dc79ceSMichal Swiatkowski 265861dc79ceSMichal Swiatkowski /** 265961dc79ceSMichal Swiatkowski * ice_vsi_rebuild_set_coalesce - set coalesce from earlier saved arrays 266061dc79ceSMichal Swiatkowski * @vsi: VSI connected with q_vectors 266161dc79ceSMichal Swiatkowski * @coalesce: pointer to array of struct with stored coalesce 266261dc79ceSMichal Swiatkowski * @size: size of coalesce array 266361dc79ceSMichal Swiatkowski * 266461dc79ceSMichal Swiatkowski * Before this function, ice_vsi_rebuild_get_coalesce should be called to save 266561dc79ceSMichal Swiatkowski * ITR params in arrays. If size is 0 or coalesce wasn't stored set coalesce 266661dc79ceSMichal Swiatkowski * to default value. 266761dc79ceSMichal Swiatkowski */ 266861dc79ceSMichal Swiatkowski static void 266961dc79ceSMichal Swiatkowski ice_vsi_rebuild_set_coalesce(struct ice_vsi *vsi, 267061dc79ceSMichal Swiatkowski struct ice_coalesce_stored *coalesce, int size) 267161dc79ceSMichal Swiatkowski { 267261dc79ceSMichal Swiatkowski int i; 267361dc79ceSMichal Swiatkowski 267461dc79ceSMichal Swiatkowski if ((size && !coalesce) || !vsi) 267561dc79ceSMichal Swiatkowski return; 267661dc79ceSMichal Swiatkowski 267761dc79ceSMichal Swiatkowski for (i = 0; i < size && i < vsi->num_q_vectors; i++) 267861dc79ceSMichal Swiatkowski ice_vsi_rebuild_update_coalesce(vsi->q_vectors[i], 267961dc79ceSMichal Swiatkowski &coalesce[i]); 268061dc79ceSMichal Swiatkowski 268161dc79ceSMichal Swiatkowski for (; i < vsi->num_q_vectors; i++) { 268261dc79ceSMichal Swiatkowski struct ice_coalesce_stored coalesce_dflt = { 268361dc79ceSMichal Swiatkowski .itr_tx = ICE_DFLT_TX_ITR, 268461dc79ceSMichal Swiatkowski .itr_rx = ICE_DFLT_RX_ITR, 268561dc79ceSMichal Swiatkowski .intrl = 0 268661dc79ceSMichal Swiatkowski }; 268761dc79ceSMichal Swiatkowski ice_vsi_rebuild_update_coalesce(vsi->q_vectors[i], 268861dc79ceSMichal Swiatkowski &coalesce_dflt); 268961dc79ceSMichal Swiatkowski } 269061dc79ceSMichal Swiatkowski } 269161dc79ceSMichal Swiatkowski 269261dc79ceSMichal Swiatkowski /** 2693df0f8479SAnirudh Venkataramanan * ice_vsi_rebuild - Rebuild VSI after reset 2694df0f8479SAnirudh Venkataramanan * @vsi: VSI to be rebuild 269587324e74SHenry Tieman * @init_vsi: is this an initialization or a reconfigure of the VSI 2696df0f8479SAnirudh Venkataramanan * 2697df0f8479SAnirudh Venkataramanan * Returns 0 on success and negative value on failure 2698df0f8479SAnirudh Venkataramanan */ 269987324e74SHenry Tieman int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi) 2700df0f8479SAnirudh Venkataramanan { 2701df0f8479SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 270261dc79ceSMichal Swiatkowski struct ice_coalesce_stored *coalesce; 270361dc79ceSMichal Swiatkowski int prev_num_q_vectors = 0; 27047eeac889SAkeem G Abodunrin struct ice_vf *vf = NULL; 2705d31530e8SAkeem G Abodunrin enum ice_status status; 2706c5a2a4a3SUsha Ketineni struct ice_pf *pf; 2707df0f8479SAnirudh Venkataramanan int ret, i; 2708df0f8479SAnirudh Venkataramanan 2709df0f8479SAnirudh Venkataramanan if (!vsi) 2710df0f8479SAnirudh Venkataramanan return -EINVAL; 2711df0f8479SAnirudh Venkataramanan 2712c5a2a4a3SUsha Ketineni pf = vsi->back; 27137eeac889SAkeem G Abodunrin if (vsi->type == ICE_VSI_VF) 27147eeac889SAkeem G Abodunrin vf = &pf->vf[vsi->vf_id]; 27157eeac889SAkeem G Abodunrin 271661dc79ceSMichal Swiatkowski coalesce = kcalloc(vsi->num_q_vectors, 271761dc79ceSMichal Swiatkowski sizeof(struct ice_coalesce_stored), GFP_KERNEL); 271861dc79ceSMichal Swiatkowski if (coalesce) 271961dc79ceSMichal Swiatkowski prev_num_q_vectors = ice_vsi_rebuild_get_coalesce(vsi, 272061dc79ceSMichal Swiatkowski coalesce); 272147e3e53cSHenry Tieman ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); 2722df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 27237eeac889SAkeem G Abodunrin 2724cbe66bfeSBrett Creeley /* SR-IOV determines needed MSIX resources all at once instead of per 2725cbe66bfeSBrett Creeley * VSI since when VFs are spawned we know how many VFs there are and how 2726cbe66bfeSBrett Creeley * many interrupts each VF needs. SR-IOV MSIX resources are also 2727cbe66bfeSBrett Creeley * cleared in the same manner. 2728cbe66bfeSBrett Creeley */ 27297eeac889SAkeem G Abodunrin if (vsi->type != ICE_VSI_VF) { 27307eeac889SAkeem G Abodunrin /* reclaim SW interrupts back to the common pool */ 2731cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 27327eeac889SAkeem G Abodunrin pf->num_avail_sw_msix += vsi->num_q_vectors; 2733cbe66bfeSBrett Creeley vsi->base_vector = 0; 27347eeac889SAkeem G Abodunrin } 27357eeac889SAkeem G Abodunrin 2736efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) 2737efc2214bSMaciej Fijalkowski /* return value check can be skipped here, it always returns 2738efc2214bSMaciej Fijalkowski * 0 if reset is in progress 2739efc2214bSMaciej Fijalkowski */ 2740efc2214bSMaciej Fijalkowski ice_destroy_xdp_rings(vsi); 274178b5713aSAnirudh Venkataramanan ice_vsi_put_qs(vsi); 2742df0f8479SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 2743a85a3847SBrett Creeley ice_vsi_free_arrays(vsi); 27445743020dSAkeem G Abodunrin if (vsi->type == ICE_VSI_VF) 27455743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, vf->vf_id); 27465743020dSAkeem G Abodunrin else 27475743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID); 274878b5713aSAnirudh Venkataramanan 274978b5713aSAnirudh Venkataramanan ret = ice_vsi_alloc_arrays(vsi); 275078b5713aSAnirudh Venkataramanan if (ret < 0) 275178b5713aSAnirudh Venkataramanan goto err_vsi; 275278b5713aSAnirudh Venkataramanan 275378b5713aSAnirudh Venkataramanan ice_vsi_get_qs(vsi); 2754c5a2a4a3SUsha Ketineni ice_vsi_set_tc_cfg(vsi); 2755df0f8479SAnirudh Venkataramanan 2756df0f8479SAnirudh Venkataramanan /* Initialize VSI struct elements and create VSI in FW */ 275787324e74SHenry Tieman ret = ice_vsi_init(vsi, init_vsi); 2758df0f8479SAnirudh Venkataramanan if (ret < 0) 2759df0f8479SAnirudh Venkataramanan goto err_vsi; 2760df0f8479SAnirudh Venkataramanan 2761df0f8479SAnirudh Venkataramanan switch (vsi->type) { 2762df0f8479SAnirudh Venkataramanan case ICE_VSI_PF: 2763df0f8479SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 2764df0f8479SAnirudh Venkataramanan if (ret) 2765df0f8479SAnirudh Venkataramanan goto err_rings; 2766df0f8479SAnirudh Venkataramanan 276717bc6d07STony Nguyen ret = ice_vsi_setup_vector_base(vsi); 276817bc6d07STony Nguyen if (ret) 276917bc6d07STony Nguyen goto err_vectors; 277017bc6d07STony Nguyen 2771b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2772b07833a0SBrett Creeley if (ret) 2773b07833a0SBrett Creeley goto err_vectors; 2774b07833a0SBrett Creeley 2775df0f8479SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 2776df0f8479SAnirudh Venkataramanan if (ret) 2777df0f8479SAnirudh Venkataramanan goto err_vectors; 2778df0f8479SAnirudh Venkataramanan 2779df0f8479SAnirudh Venkataramanan ice_vsi_map_rings_to_vectors(vsi); 2780efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) { 2781efc2214bSMaciej Fijalkowski vsi->num_xdp_txq = vsi->alloc_txq; 2782efc2214bSMaciej Fijalkowski ret = ice_prepare_xdp_rings(vsi, vsi->xdp_prog); 2783efc2214bSMaciej Fijalkowski if (ret) 2784efc2214bSMaciej Fijalkowski goto err_vectors; 2785efc2214bSMaciej Fijalkowski } 278627a98affSMd Fahad Iqbal Polash /* Do not exit if configuring RSS had an issue, at least 278727a98affSMd Fahad Iqbal Polash * receive traffic on first queue. Hence no need to capture 278827a98affSMd Fahad Iqbal Polash * return value 278927a98affSMd Fahad Iqbal Polash */ 2790819d8998SJesse Brandeburg if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 279127a98affSMd Fahad Iqbal Polash ice_vsi_cfg_rss_lut_key(vsi); 2792df0f8479SAnirudh Venkataramanan break; 27938ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 27948ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 27958ede0178SAnirudh Venkataramanan if (ret) 27968ede0178SAnirudh Venkataramanan goto err_rings; 27978ede0178SAnirudh Venkataramanan 2798b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2799b07833a0SBrett Creeley if (ret) 2800b07833a0SBrett Creeley goto err_vectors; 2801b07833a0SBrett Creeley 28028ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 28038ede0178SAnirudh Venkataramanan if (ret) 28048ede0178SAnirudh Venkataramanan goto err_vectors; 28058ede0178SAnirudh Venkataramanan 28068ede0178SAnirudh Venkataramanan break; 2807df0f8479SAnirudh Venkataramanan default: 2808df0f8479SAnirudh Venkataramanan break; 2809df0f8479SAnirudh Venkataramanan } 2810df0f8479SAnirudh Venkataramanan 2811df0f8479SAnirudh Venkataramanan /* configure VSI nodes based on number of queues and TC's */ 2812efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->tc_cfg.numtc; i++) { 2813d5a46359SAkeem G Abodunrin max_txqs[i] = vsi->alloc_txq; 2814df0f8479SAnirudh Venkataramanan 2815efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) 2816efc2214bSMaciej Fijalkowski max_txqs[i] += vsi->num_xdp_txq; 2817efc2214bSMaciej Fijalkowski } 2818efc2214bSMaciej Fijalkowski 2819d31530e8SAkeem G Abodunrin status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 28204fb33f31SAnirudh Venkataramanan max_txqs); 2821d31530e8SAkeem G Abodunrin if (status) { 28220fee3577SLihong Yang dev_err(ice_pf_to_dev(pf), "VSI %d failed lan queue config, error %s\n", 28230fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 282487324e74SHenry Tieman if (init_vsi) { 282587324e74SHenry Tieman ret = -EIO; 2826df0f8479SAnirudh Venkataramanan goto err_vectors; 282787324e74SHenry Tieman } else { 282887324e74SHenry Tieman return ice_schedule_reset(pf, ICE_RESET_PFR); 282987324e74SHenry Tieman } 2830df0f8479SAnirudh Venkataramanan } 283161dc79ceSMichal Swiatkowski ice_vsi_rebuild_set_coalesce(vsi, coalesce, prev_num_q_vectors); 283261dc79ceSMichal Swiatkowski kfree(coalesce); 283361dc79ceSMichal Swiatkowski 2834df0f8479SAnirudh Venkataramanan return 0; 2835df0f8479SAnirudh Venkataramanan 2836df0f8479SAnirudh Venkataramanan err_vectors: 2837df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 2838df0f8479SAnirudh Venkataramanan err_rings: 2839df0f8479SAnirudh Venkataramanan if (vsi->netdev) { 2840df0f8479SAnirudh Venkataramanan vsi->current_netdev_flags = 0; 2841df0f8479SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 2842df0f8479SAnirudh Venkataramanan free_netdev(vsi->netdev); 2843df0f8479SAnirudh Venkataramanan vsi->netdev = NULL; 2844df0f8479SAnirudh Venkataramanan } 2845df0f8479SAnirudh Venkataramanan err_vsi: 2846df0f8479SAnirudh Venkataramanan ice_vsi_clear(vsi); 2847819d8998SJesse Brandeburg set_bit(__ICE_RESET_FAILED, pf->state); 284861dc79ceSMichal Swiatkowski kfree(coalesce); 2849df0f8479SAnirudh Venkataramanan return ret; 2850df0f8479SAnirudh Venkataramanan } 2851df0f8479SAnirudh Venkataramanan 2852df0f8479SAnirudh Venkataramanan /** 28535df7e45dSDave Ertman * ice_is_reset_in_progress - check for a reset in progress 28542f2da36eSAnirudh Venkataramanan * @state: PF state field 28555153a18eSAnirudh Venkataramanan */ 28565df7e45dSDave Ertman bool ice_is_reset_in_progress(unsigned long *state) 28575153a18eSAnirudh Venkataramanan { 28585df7e45dSDave Ertman return test_bit(__ICE_RESET_OICR_RECV, state) || 2859b94b013eSDave Ertman test_bit(__ICE_DCBNL_DEVRESET, state) || 28605df7e45dSDave Ertman test_bit(__ICE_PFR_REQ, state) || 28615df7e45dSDave Ertman test_bit(__ICE_CORER_REQ, state) || 28625df7e45dSDave Ertman test_bit(__ICE_GLOBR_REQ, state); 28635153a18eSAnirudh Venkataramanan } 28647b9ffc76SAnirudh Venkataramanan 28657b9ffc76SAnirudh Venkataramanan #ifdef CONFIG_DCB 28667b9ffc76SAnirudh Venkataramanan /** 28677b9ffc76SAnirudh Venkataramanan * ice_vsi_update_q_map - update our copy of the VSI info with new queue map 28687b9ffc76SAnirudh Venkataramanan * @vsi: VSI being configured 28697b9ffc76SAnirudh Venkataramanan * @ctx: the context buffer returned from AQ VSI update command 28707b9ffc76SAnirudh Venkataramanan */ 28717b9ffc76SAnirudh Venkataramanan static void ice_vsi_update_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctx) 28727b9ffc76SAnirudh Venkataramanan { 28737b9ffc76SAnirudh Venkataramanan vsi->info.mapping_flags = ctx->info.mapping_flags; 28747b9ffc76SAnirudh Venkataramanan memcpy(&vsi->info.q_mapping, &ctx->info.q_mapping, 28757b9ffc76SAnirudh Venkataramanan sizeof(vsi->info.q_mapping)); 28767b9ffc76SAnirudh Venkataramanan memcpy(&vsi->info.tc_mapping, ctx->info.tc_mapping, 28777b9ffc76SAnirudh Venkataramanan sizeof(vsi->info.tc_mapping)); 28787b9ffc76SAnirudh Venkataramanan } 28797b9ffc76SAnirudh Venkataramanan 28807b9ffc76SAnirudh Venkataramanan /** 28817b9ffc76SAnirudh Venkataramanan * ice_vsi_cfg_tc - Configure VSI Tx Sched for given TC map 28827b9ffc76SAnirudh Venkataramanan * @vsi: VSI to be configured 28837b9ffc76SAnirudh Venkataramanan * @ena_tc: TC bitmap 28847b9ffc76SAnirudh Venkataramanan * 28857b9ffc76SAnirudh Venkataramanan * VSI queues expected to be quiesced before calling this function 28867b9ffc76SAnirudh Venkataramanan */ 28877b9ffc76SAnirudh Venkataramanan int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc) 28887b9ffc76SAnirudh Venkataramanan { 28897b9ffc76SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 28907b9ffc76SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 28914ee656bbSTony Nguyen struct ice_vsi_ctx *ctx; 28927b9ffc76SAnirudh Venkataramanan enum ice_status status; 28934015d11eSBrett Creeley struct device *dev; 28947b9ffc76SAnirudh Venkataramanan int i, ret = 0; 28957b9ffc76SAnirudh Venkataramanan u8 num_tc = 0; 28967b9ffc76SAnirudh Venkataramanan 28974015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 28984015d11eSBrett Creeley 28997b9ffc76SAnirudh Venkataramanan ice_for_each_traffic_class(i) { 29007b9ffc76SAnirudh Venkataramanan /* build bitmap of enabled TCs */ 29017b9ffc76SAnirudh Venkataramanan if (ena_tc & BIT(i)) 29027b9ffc76SAnirudh Venkataramanan num_tc++; 29037b9ffc76SAnirudh Venkataramanan /* populate max_txqs per TC */ 2904d5a46359SAkeem G Abodunrin max_txqs[i] = vsi->alloc_txq; 29057b9ffc76SAnirudh Venkataramanan } 29067b9ffc76SAnirudh Venkataramanan 29077b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.ena_tc = ena_tc; 29087b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.numtc = num_tc; 29097b9ffc76SAnirudh Venkataramanan 29109efe35d0STony Nguyen ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 29117b9ffc76SAnirudh Venkataramanan if (!ctx) 29127b9ffc76SAnirudh Venkataramanan return -ENOMEM; 29137b9ffc76SAnirudh Venkataramanan 29147b9ffc76SAnirudh Venkataramanan ctx->vf_num = 0; 29157b9ffc76SAnirudh Venkataramanan ctx->info = vsi->info; 29167b9ffc76SAnirudh Venkataramanan 29177b9ffc76SAnirudh Venkataramanan ice_vsi_setup_q_map(vsi, ctx); 29187b9ffc76SAnirudh Venkataramanan 29197b9ffc76SAnirudh Venkataramanan /* must to indicate which section of VSI context are being modified */ 29207b9ffc76SAnirudh Venkataramanan ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID); 29217b9ffc76SAnirudh Venkataramanan status = ice_update_vsi(&pf->hw, vsi->idx, ctx, NULL); 29227b9ffc76SAnirudh Venkataramanan if (status) { 29234015d11eSBrett Creeley dev_info(dev, "Failed VSI Update\n"); 29247b9ffc76SAnirudh Venkataramanan ret = -EIO; 29257b9ffc76SAnirudh Venkataramanan goto out; 29267b9ffc76SAnirudh Venkataramanan } 29277b9ffc76SAnirudh Venkataramanan 29287b9ffc76SAnirudh Venkataramanan status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 29297b9ffc76SAnirudh Venkataramanan max_txqs); 29307b9ffc76SAnirudh Venkataramanan 29317b9ffc76SAnirudh Venkataramanan if (status) { 29320fee3577SLihong Yang dev_err(dev, "VSI %d failed TC config, error %s\n", 29330fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 29347b9ffc76SAnirudh Venkataramanan ret = -EIO; 29357b9ffc76SAnirudh Venkataramanan goto out; 29367b9ffc76SAnirudh Venkataramanan } 29377b9ffc76SAnirudh Venkataramanan ice_vsi_update_q_map(vsi, ctx); 29387b9ffc76SAnirudh Venkataramanan vsi->info.valid_sections = 0; 29397b9ffc76SAnirudh Venkataramanan 29407b9ffc76SAnirudh Venkataramanan ice_vsi_cfg_netdev_tc(vsi, ena_tc); 29417b9ffc76SAnirudh Venkataramanan out: 29429efe35d0STony Nguyen kfree(ctx); 29437b9ffc76SAnirudh Venkataramanan return ret; 29447b9ffc76SAnirudh Venkataramanan } 29457b9ffc76SAnirudh Venkataramanan #endif /* CONFIG_DCB */ 2946bbb968e8SAkeem G Abodunrin 2947bbb968e8SAkeem G Abodunrin /** 29482d4238f5SKrzysztof Kazimierczak * ice_update_ring_stats - Update ring statistics 29492d4238f5SKrzysztof Kazimierczak * @ring: ring to update 29502d4238f5SKrzysztof Kazimierczak * @cont: used to increment per-vector counters 29512d4238f5SKrzysztof Kazimierczak * @pkts: number of processed packets 29522d4238f5SKrzysztof Kazimierczak * @bytes: number of processed bytes 29532d4238f5SKrzysztof Kazimierczak * 29542d4238f5SKrzysztof Kazimierczak * This function assumes that caller has acquired a u64_stats_sync lock. 29552d4238f5SKrzysztof Kazimierczak */ 29562d4238f5SKrzysztof Kazimierczak static void 29572d4238f5SKrzysztof Kazimierczak ice_update_ring_stats(struct ice_ring *ring, struct ice_ring_container *cont, 29582d4238f5SKrzysztof Kazimierczak u64 pkts, u64 bytes) 29592d4238f5SKrzysztof Kazimierczak { 29602d4238f5SKrzysztof Kazimierczak ring->stats.bytes += bytes; 29612d4238f5SKrzysztof Kazimierczak ring->stats.pkts += pkts; 29622d4238f5SKrzysztof Kazimierczak cont->total_bytes += bytes; 29632d4238f5SKrzysztof Kazimierczak cont->total_pkts += pkts; 29642d4238f5SKrzysztof Kazimierczak } 29652d4238f5SKrzysztof Kazimierczak 29662d4238f5SKrzysztof Kazimierczak /** 29672d4238f5SKrzysztof Kazimierczak * ice_update_tx_ring_stats - Update Tx ring specific counters 29682d4238f5SKrzysztof Kazimierczak * @tx_ring: ring to update 29692d4238f5SKrzysztof Kazimierczak * @pkts: number of processed packets 29702d4238f5SKrzysztof Kazimierczak * @bytes: number of processed bytes 29712d4238f5SKrzysztof Kazimierczak */ 29722d4238f5SKrzysztof Kazimierczak void ice_update_tx_ring_stats(struct ice_ring *tx_ring, u64 pkts, u64 bytes) 29732d4238f5SKrzysztof Kazimierczak { 29742d4238f5SKrzysztof Kazimierczak u64_stats_update_begin(&tx_ring->syncp); 29752d4238f5SKrzysztof Kazimierczak ice_update_ring_stats(tx_ring, &tx_ring->q_vector->tx, pkts, bytes); 29762d4238f5SKrzysztof Kazimierczak u64_stats_update_end(&tx_ring->syncp); 29772d4238f5SKrzysztof Kazimierczak } 29782d4238f5SKrzysztof Kazimierczak 29792d4238f5SKrzysztof Kazimierczak /** 29802d4238f5SKrzysztof Kazimierczak * ice_update_rx_ring_stats - Update Rx ring specific counters 29812d4238f5SKrzysztof Kazimierczak * @rx_ring: ring to update 29822d4238f5SKrzysztof Kazimierczak * @pkts: number of processed packets 29832d4238f5SKrzysztof Kazimierczak * @bytes: number of processed bytes 29842d4238f5SKrzysztof Kazimierczak */ 29852d4238f5SKrzysztof Kazimierczak void ice_update_rx_ring_stats(struct ice_ring *rx_ring, u64 pkts, u64 bytes) 29862d4238f5SKrzysztof Kazimierczak { 29872d4238f5SKrzysztof Kazimierczak u64_stats_update_begin(&rx_ring->syncp); 29882d4238f5SKrzysztof Kazimierczak ice_update_ring_stats(rx_ring, &rx_ring->q_vector->rx, pkts, bytes); 29892d4238f5SKrzysztof Kazimierczak u64_stats_update_end(&rx_ring->syncp); 29902d4238f5SKrzysztof Kazimierczak } 29912d4238f5SKrzysztof Kazimierczak 29922d4238f5SKrzysztof Kazimierczak /** 2993bbb968e8SAkeem G Abodunrin * ice_vsi_cfg_mac_fltr - Add or remove a MAC address filter for a VSI 2994bbb968e8SAkeem G Abodunrin * @vsi: the VSI being configured MAC filter 2995bbb968e8SAkeem G Abodunrin * @macaddr: the MAC address to be added. 2996bbb968e8SAkeem G Abodunrin * @set: Add or delete a MAC filter 2997bbb968e8SAkeem G Abodunrin * 2998bbb968e8SAkeem G Abodunrin * Adds or removes MAC address filter entry for VF VSI 2999bbb968e8SAkeem G Abodunrin */ 3000bbb968e8SAkeem G Abodunrin enum ice_status 3001bbb968e8SAkeem G Abodunrin ice_vsi_cfg_mac_fltr(struct ice_vsi *vsi, const u8 *macaddr, bool set) 3002bbb968e8SAkeem G Abodunrin { 3003bbb968e8SAkeem G Abodunrin LIST_HEAD(tmp_add_list); 3004bbb968e8SAkeem G Abodunrin enum ice_status status; 3005bbb968e8SAkeem G Abodunrin 3006bbb968e8SAkeem G Abodunrin /* Update MAC filter list to be added or removed for a VSI */ 3007bbb968e8SAkeem G Abodunrin if (ice_add_mac_to_list(vsi, &tmp_add_list, macaddr)) { 3008bbb968e8SAkeem G Abodunrin status = ICE_ERR_NO_MEMORY; 3009bbb968e8SAkeem G Abodunrin goto cfg_mac_fltr_exit; 3010bbb968e8SAkeem G Abodunrin } 3011bbb968e8SAkeem G Abodunrin 3012bbb968e8SAkeem G Abodunrin if (set) 3013bbb968e8SAkeem G Abodunrin status = ice_add_mac(&vsi->back->hw, &tmp_add_list); 3014bbb968e8SAkeem G Abodunrin else 3015bbb968e8SAkeem G Abodunrin status = ice_remove_mac(&vsi->back->hw, &tmp_add_list); 3016bbb968e8SAkeem G Abodunrin 3017bbb968e8SAkeem G Abodunrin cfg_mac_fltr_exit: 30189a946843SAnirudh Venkataramanan ice_free_fltr_list(ice_pf_to_dev(vsi->back), &tmp_add_list); 3019bbb968e8SAkeem G Abodunrin return status; 3020bbb968e8SAkeem G Abodunrin } 3021fc0f39bcSBrett Creeley 3022fc0f39bcSBrett Creeley /** 3023fc0f39bcSBrett Creeley * ice_is_dflt_vsi_in_use - check if the default forwarding VSI is being used 3024fc0f39bcSBrett Creeley * @sw: switch to check if its default forwarding VSI is free 3025fc0f39bcSBrett Creeley * 3026fc0f39bcSBrett Creeley * Return true if the default forwarding VSI is already being used, else returns 3027fc0f39bcSBrett Creeley * false signalling that it's available to use. 3028fc0f39bcSBrett Creeley */ 3029fc0f39bcSBrett Creeley bool ice_is_dflt_vsi_in_use(struct ice_sw *sw) 3030fc0f39bcSBrett Creeley { 3031fc0f39bcSBrett Creeley return (sw->dflt_vsi && sw->dflt_vsi_ena); 3032fc0f39bcSBrett Creeley } 3033fc0f39bcSBrett Creeley 3034fc0f39bcSBrett Creeley /** 3035fc0f39bcSBrett Creeley * ice_is_vsi_dflt_vsi - check if the VSI passed in is the default VSI 3036fc0f39bcSBrett Creeley * @sw: switch for the default forwarding VSI to compare against 3037fc0f39bcSBrett Creeley * @vsi: VSI to compare against default forwarding VSI 3038fc0f39bcSBrett Creeley * 3039fc0f39bcSBrett Creeley * If this VSI passed in is the default forwarding VSI then return true, else 3040fc0f39bcSBrett Creeley * return false 3041fc0f39bcSBrett Creeley */ 3042fc0f39bcSBrett Creeley bool ice_is_vsi_dflt_vsi(struct ice_sw *sw, struct ice_vsi *vsi) 3043fc0f39bcSBrett Creeley { 3044fc0f39bcSBrett Creeley return (sw->dflt_vsi == vsi && sw->dflt_vsi_ena); 3045fc0f39bcSBrett Creeley } 3046fc0f39bcSBrett Creeley 3047fc0f39bcSBrett Creeley /** 3048fc0f39bcSBrett Creeley * ice_set_dflt_vsi - set the default forwarding VSI 3049fc0f39bcSBrett Creeley * @sw: switch used to assign the default forwarding VSI 3050fc0f39bcSBrett Creeley * @vsi: VSI getting set as the default forwarding VSI on the switch 3051fc0f39bcSBrett Creeley * 3052fc0f39bcSBrett Creeley * If the VSI passed in is already the default VSI and it's enabled just return 3053fc0f39bcSBrett Creeley * success. 3054fc0f39bcSBrett Creeley * 3055fc0f39bcSBrett Creeley * If there is already a default VSI on the switch and it's enabled then return 3056fc0f39bcSBrett Creeley * -EEXIST since there can only be one default VSI per switch. 3057fc0f39bcSBrett Creeley * 3058fc0f39bcSBrett Creeley * Otherwise try to set the VSI passed in as the switch's default VSI and 3059fc0f39bcSBrett Creeley * return the result. 3060fc0f39bcSBrett Creeley */ 3061fc0f39bcSBrett Creeley int ice_set_dflt_vsi(struct ice_sw *sw, struct ice_vsi *vsi) 3062fc0f39bcSBrett Creeley { 3063fc0f39bcSBrett Creeley enum ice_status status; 3064fc0f39bcSBrett Creeley struct device *dev; 3065fc0f39bcSBrett Creeley 3066fc0f39bcSBrett Creeley if (!sw || !vsi) 3067fc0f39bcSBrett Creeley return -EINVAL; 3068fc0f39bcSBrett Creeley 3069fc0f39bcSBrett Creeley dev = ice_pf_to_dev(vsi->back); 3070fc0f39bcSBrett Creeley 3071fc0f39bcSBrett Creeley /* the VSI passed in is already the default VSI */ 3072fc0f39bcSBrett Creeley if (ice_is_vsi_dflt_vsi(sw, vsi)) { 3073fc0f39bcSBrett Creeley dev_dbg(dev, "VSI %d passed in is already the default forwarding VSI, nothing to do\n", 3074fc0f39bcSBrett Creeley vsi->vsi_num); 3075fc0f39bcSBrett Creeley return 0; 3076fc0f39bcSBrett Creeley } 3077fc0f39bcSBrett Creeley 3078fc0f39bcSBrett Creeley /* another VSI is already the default VSI for this switch */ 3079fc0f39bcSBrett Creeley if (ice_is_dflt_vsi_in_use(sw)) { 308019cce2c6SAnirudh Venkataramanan dev_err(dev, "Default forwarding VSI %d already in use, disable it and try again\n", 3081fc0f39bcSBrett Creeley sw->dflt_vsi->vsi_num); 3082fc0f39bcSBrett Creeley return -EEXIST; 3083fc0f39bcSBrett Creeley } 3084fc0f39bcSBrett Creeley 3085fc0f39bcSBrett Creeley status = ice_cfg_dflt_vsi(&vsi->back->hw, vsi->idx, true, ICE_FLTR_RX); 3086fc0f39bcSBrett Creeley if (status) { 30870fee3577SLihong Yang dev_err(dev, "Failed to set VSI %d as the default forwarding VSI, error %s\n", 30880fee3577SLihong Yang vsi->vsi_num, ice_stat_str(status)); 3089fc0f39bcSBrett Creeley return -EIO; 3090fc0f39bcSBrett Creeley } 3091fc0f39bcSBrett Creeley 3092fc0f39bcSBrett Creeley sw->dflt_vsi = vsi; 3093fc0f39bcSBrett Creeley sw->dflt_vsi_ena = true; 3094fc0f39bcSBrett Creeley 3095fc0f39bcSBrett Creeley return 0; 3096fc0f39bcSBrett Creeley } 3097fc0f39bcSBrett Creeley 3098fc0f39bcSBrett Creeley /** 3099fc0f39bcSBrett Creeley * ice_clear_dflt_vsi - clear the default forwarding VSI 3100fc0f39bcSBrett Creeley * @sw: switch used to clear the default VSI 3101fc0f39bcSBrett Creeley * 3102fc0f39bcSBrett Creeley * If the switch has no default VSI or it's not enabled then return error. 3103fc0f39bcSBrett Creeley * 3104fc0f39bcSBrett Creeley * Otherwise try to clear the default VSI and return the result. 3105fc0f39bcSBrett Creeley */ 3106fc0f39bcSBrett Creeley int ice_clear_dflt_vsi(struct ice_sw *sw) 3107fc0f39bcSBrett Creeley { 3108fc0f39bcSBrett Creeley struct ice_vsi *dflt_vsi; 3109fc0f39bcSBrett Creeley enum ice_status status; 3110fc0f39bcSBrett Creeley struct device *dev; 3111fc0f39bcSBrett Creeley 3112fc0f39bcSBrett Creeley if (!sw) 3113fc0f39bcSBrett Creeley return -EINVAL; 3114fc0f39bcSBrett Creeley 3115fc0f39bcSBrett Creeley dev = ice_pf_to_dev(sw->pf); 3116fc0f39bcSBrett Creeley 3117fc0f39bcSBrett Creeley dflt_vsi = sw->dflt_vsi; 3118fc0f39bcSBrett Creeley 3119fc0f39bcSBrett Creeley /* there is no default VSI configured */ 3120fc0f39bcSBrett Creeley if (!ice_is_dflt_vsi_in_use(sw)) 3121fc0f39bcSBrett Creeley return -ENODEV; 3122fc0f39bcSBrett Creeley 3123fc0f39bcSBrett Creeley status = ice_cfg_dflt_vsi(&dflt_vsi->back->hw, dflt_vsi->idx, false, 3124fc0f39bcSBrett Creeley ICE_FLTR_RX); 3125fc0f39bcSBrett Creeley if (status) { 31260fee3577SLihong Yang dev_err(dev, "Failed to clear the default forwarding VSI %d, error %s\n", 31270fee3577SLihong Yang dflt_vsi->vsi_num, ice_stat_str(status)); 3128fc0f39bcSBrett Creeley return -EIO; 3129fc0f39bcSBrett Creeley } 3130fc0f39bcSBrett Creeley 3131fc0f39bcSBrett Creeley sw->dflt_vsi = NULL; 3132fc0f39bcSBrett Creeley sw->dflt_vsi_ena = false; 3133fc0f39bcSBrett Creeley 3134fc0f39bcSBrett Creeley return 0; 3135fc0f39bcSBrett Creeley } 3136