145d3d428SAnirudh Venkataramanan // SPDX-License-Identifier: GPL-2.0 245d3d428SAnirudh Venkataramanan /* Copyright (c) 2018, Intel Corporation. */ 345d3d428SAnirudh Venkataramanan 445d3d428SAnirudh Venkataramanan #include "ice.h" 545d3d428SAnirudh Venkataramanan #include "ice_lib.h" 67b9ffc76SAnirudh Venkataramanan #include "ice_dcb_lib.h" 745d3d428SAnirudh Venkataramanan 845d3d428SAnirudh Venkataramanan /** 972adf242SAnirudh Venkataramanan * ice_setup_rx_ctx - Configure a receive ring context 1072adf242SAnirudh Venkataramanan * @ring: The Rx ring to configure 1172adf242SAnirudh Venkataramanan * 1272adf242SAnirudh Venkataramanan * Configure the Rx descriptor ring in RLAN context. 1372adf242SAnirudh Venkataramanan */ 1472adf242SAnirudh Venkataramanan static int ice_setup_rx_ctx(struct ice_ring *ring) 1572adf242SAnirudh Venkataramanan { 1672adf242SAnirudh Venkataramanan struct ice_vsi *vsi = ring->vsi; 1772adf242SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 1872adf242SAnirudh Venkataramanan u32 rxdid = ICE_RXDID_FLEX_NIC; 1972adf242SAnirudh Venkataramanan struct ice_rlan_ctx rlan_ctx; 2072adf242SAnirudh Venkataramanan u32 regval; 2172adf242SAnirudh Venkataramanan u16 pf_q; 2272adf242SAnirudh Venkataramanan int err; 2372adf242SAnirudh Venkataramanan 24d337f2afSAnirudh Venkataramanan /* what is Rx queue number in global space of 2K Rx queues */ 2572adf242SAnirudh Venkataramanan pf_q = vsi->rxq_map[ring->q_index]; 2672adf242SAnirudh Venkataramanan 2772adf242SAnirudh Venkataramanan /* clear the context structure first */ 2872adf242SAnirudh Venkataramanan memset(&rlan_ctx, 0, sizeof(rlan_ctx)); 2972adf242SAnirudh Venkataramanan 3072adf242SAnirudh Venkataramanan rlan_ctx.base = ring->dma >> 7; 3172adf242SAnirudh Venkataramanan 3272adf242SAnirudh Venkataramanan rlan_ctx.qlen = ring->count; 3372adf242SAnirudh Venkataramanan 3472adf242SAnirudh Venkataramanan /* Receive Packet Data Buffer Size. 3572adf242SAnirudh Venkataramanan * The Packet Data Buffer Size is defined in 128 byte units. 3672adf242SAnirudh Venkataramanan */ 3772adf242SAnirudh Venkataramanan rlan_ctx.dbuf = vsi->rx_buf_len >> ICE_RLAN_CTX_DBUF_S; 3872adf242SAnirudh Venkataramanan 3972adf242SAnirudh Venkataramanan /* use 32 byte descriptors */ 4072adf242SAnirudh Venkataramanan rlan_ctx.dsize = 1; 4172adf242SAnirudh Venkataramanan 4272adf242SAnirudh Venkataramanan /* Strip the Ethernet CRC bytes before the packet is posted to host 4372adf242SAnirudh Venkataramanan * memory. 4472adf242SAnirudh Venkataramanan */ 4572adf242SAnirudh Venkataramanan rlan_ctx.crcstrip = 1; 4672adf242SAnirudh Venkataramanan 4772adf242SAnirudh Venkataramanan /* L2TSEL flag defines the reported L2 Tags in the receive descriptor */ 4872adf242SAnirudh Venkataramanan rlan_ctx.l2tsel = 1; 4972adf242SAnirudh Venkataramanan 5072adf242SAnirudh Venkataramanan rlan_ctx.dtype = ICE_RX_DTYPE_NO_SPLIT; 5172adf242SAnirudh Venkataramanan rlan_ctx.hsplit_0 = ICE_RLAN_RX_HSPLIT_0_NO_SPLIT; 5272adf242SAnirudh Venkataramanan rlan_ctx.hsplit_1 = ICE_RLAN_RX_HSPLIT_1_NO_SPLIT; 5372adf242SAnirudh Venkataramanan 5472adf242SAnirudh Venkataramanan /* This controls whether VLAN is stripped from inner headers 5572adf242SAnirudh Venkataramanan * The VLAN in the inner L2 header is stripped to the receive 5672adf242SAnirudh Venkataramanan * descriptor if enabled by this flag. 5772adf242SAnirudh Venkataramanan */ 5872adf242SAnirudh Venkataramanan rlan_ctx.showiv = 0; 5972adf242SAnirudh Venkataramanan 6072adf242SAnirudh Venkataramanan /* Max packet size for this queue - must not be set to a larger value 6172adf242SAnirudh Venkataramanan * than 5 x DBUF 6272adf242SAnirudh Venkataramanan */ 6372adf242SAnirudh Venkataramanan rlan_ctx.rxmax = min_t(u16, vsi->max_frame, 6472adf242SAnirudh Venkataramanan ICE_MAX_CHAINED_RX_BUFS * vsi->rx_buf_len); 6572adf242SAnirudh Venkataramanan 6672adf242SAnirudh Venkataramanan /* Rx queue threshold in units of 64 */ 6772adf242SAnirudh Venkataramanan rlan_ctx.lrxqthresh = 1; 6872adf242SAnirudh Venkataramanan 6972adf242SAnirudh Venkataramanan /* Enable Flexible Descriptors in the queue context which 7072adf242SAnirudh Venkataramanan * allows this driver to select a specific receive descriptor format 7172adf242SAnirudh Venkataramanan */ 728ede0178SAnirudh Venkataramanan if (vsi->type != ICE_VSI_VF) { 7372adf242SAnirudh Venkataramanan regval = rd32(hw, QRXFLXP_CNTXT(pf_q)); 7472adf242SAnirudh Venkataramanan regval |= (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) & 7572adf242SAnirudh Venkataramanan QRXFLXP_CNTXT_RXDID_IDX_M; 7672adf242SAnirudh Venkataramanan 77f9867df6SAnirudh Venkataramanan /* increasing context priority to pick up profile ID; 7872adf242SAnirudh Venkataramanan * default is 0x01; setting to 0x03 to ensure profile 7972adf242SAnirudh Venkataramanan * is programming if prev context is of same priority 8072adf242SAnirudh Venkataramanan */ 8172adf242SAnirudh Venkataramanan regval |= (0x03 << QRXFLXP_CNTXT_RXDID_PRIO_S) & 8272adf242SAnirudh Venkataramanan QRXFLXP_CNTXT_RXDID_PRIO_M; 8372adf242SAnirudh Venkataramanan 8472adf242SAnirudh Venkataramanan wr32(hw, QRXFLXP_CNTXT(pf_q), regval); 858ede0178SAnirudh Venkataramanan } 8672adf242SAnirudh Venkataramanan 8772adf242SAnirudh Venkataramanan /* Absolute queue number out of 2K needs to be passed */ 8872adf242SAnirudh Venkataramanan err = ice_write_rxq_ctx(hw, &rlan_ctx, pf_q); 8972adf242SAnirudh Venkataramanan if (err) { 9072adf242SAnirudh Venkataramanan dev_err(&vsi->back->pdev->dev, 9172adf242SAnirudh Venkataramanan "Failed to set LAN Rx queue context for absolute Rx queue %d error: %d\n", 9272adf242SAnirudh Venkataramanan pf_q, err); 9372adf242SAnirudh Venkataramanan return -EIO; 9472adf242SAnirudh Venkataramanan } 9572adf242SAnirudh Venkataramanan 968ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 978ede0178SAnirudh Venkataramanan return 0; 988ede0178SAnirudh Venkataramanan 9972adf242SAnirudh Venkataramanan /* init queue specific tail register */ 10072adf242SAnirudh Venkataramanan ring->tail = hw->hw_addr + QRX_TAIL(pf_q); 10172adf242SAnirudh Venkataramanan writel(0, ring->tail); 10272adf242SAnirudh Venkataramanan ice_alloc_rx_bufs(ring, ICE_DESC_UNUSED(ring)); 10372adf242SAnirudh Venkataramanan 10472adf242SAnirudh Venkataramanan return 0; 10572adf242SAnirudh Venkataramanan } 10672adf242SAnirudh Venkataramanan 10772adf242SAnirudh Venkataramanan /** 10872adf242SAnirudh Venkataramanan * ice_setup_tx_ctx - setup a struct ice_tlan_ctx instance 10972adf242SAnirudh Venkataramanan * @ring: The Tx ring to configure 11072adf242SAnirudh Venkataramanan * @tlan_ctx: Pointer to the Tx LAN queue context structure to be initialized 11172adf242SAnirudh Venkataramanan * @pf_q: queue index in the PF space 11272adf242SAnirudh Venkataramanan * 11372adf242SAnirudh Venkataramanan * Configure the Tx descriptor ring in TLAN context. 11472adf242SAnirudh Venkataramanan */ 11572adf242SAnirudh Venkataramanan static void 11672adf242SAnirudh Venkataramanan ice_setup_tx_ctx(struct ice_ring *ring, struct ice_tlan_ctx *tlan_ctx, u16 pf_q) 11772adf242SAnirudh Venkataramanan { 11872adf242SAnirudh Venkataramanan struct ice_vsi *vsi = ring->vsi; 11972adf242SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 12072adf242SAnirudh Venkataramanan 12172adf242SAnirudh Venkataramanan tlan_ctx->base = ring->dma >> ICE_TLAN_CTX_BASE_S; 12272adf242SAnirudh Venkataramanan 12372adf242SAnirudh Venkataramanan tlan_ctx->port_num = vsi->port_info->lport; 12472adf242SAnirudh Venkataramanan 12572adf242SAnirudh Venkataramanan /* Transmit Queue Length */ 12672adf242SAnirudh Venkataramanan tlan_ctx->qlen = ring->count; 12772adf242SAnirudh Venkataramanan 128a629cf0aSAnirudh Venkataramanan ice_set_cgd_num(tlan_ctx, ring); 129a629cf0aSAnirudh Venkataramanan 13072adf242SAnirudh Venkataramanan /* PF number */ 13172adf242SAnirudh Venkataramanan tlan_ctx->pf_num = hw->pf_id; 13272adf242SAnirudh Venkataramanan 13372adf242SAnirudh Venkataramanan /* queue belongs to a specific VSI type 13472adf242SAnirudh Venkataramanan * VF / VM index should be programmed per vmvf_type setting: 13572adf242SAnirudh Venkataramanan * for vmvf_type = VF, it is VF number between 0-256 13672adf242SAnirudh Venkataramanan * for vmvf_type = VM, it is VM number between 0-767 13772adf242SAnirudh Venkataramanan * for PF or EMP this field should be set to zero 13872adf242SAnirudh Venkataramanan */ 13972adf242SAnirudh Venkataramanan switch (vsi->type) { 14072adf242SAnirudh Venkataramanan case ICE_VSI_PF: 14172adf242SAnirudh Venkataramanan tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_PF; 14272adf242SAnirudh Venkataramanan break; 1438ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 144f9867df6SAnirudh Venkataramanan /* Firmware expects vmvf_num to be absolute VF ID */ 1458ede0178SAnirudh Venkataramanan tlan_ctx->vmvf_num = hw->func_caps.vf_base_id + vsi->vf_id; 1468ede0178SAnirudh Venkataramanan tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_VF; 1478ede0178SAnirudh Venkataramanan break; 14872adf242SAnirudh Venkataramanan default: 14972adf242SAnirudh Venkataramanan return; 15072adf242SAnirudh Venkataramanan } 15172adf242SAnirudh Venkataramanan 15272adf242SAnirudh Venkataramanan /* make sure the context is associated with the right VSI */ 1534fb33f31SAnirudh Venkataramanan tlan_ctx->src_vsi = ice_get_hw_vsi_num(hw, vsi->idx); 15472adf242SAnirudh Venkataramanan 15572adf242SAnirudh Venkataramanan tlan_ctx->tso_ena = ICE_TX_LEGACY; 15672adf242SAnirudh Venkataramanan tlan_ctx->tso_qnum = pf_q; 15772adf242SAnirudh Venkataramanan 15872adf242SAnirudh Venkataramanan /* Legacy or Advanced Host Interface: 15972adf242SAnirudh Venkataramanan * 0: Advanced Host Interface 16072adf242SAnirudh Venkataramanan * 1: Legacy Host Interface 16172adf242SAnirudh Venkataramanan */ 16272adf242SAnirudh Venkataramanan tlan_ctx->legacy_int = ICE_TX_LEGACY; 16372adf242SAnirudh Venkataramanan } 16472adf242SAnirudh Venkataramanan 16572adf242SAnirudh Venkataramanan /** 16672adf242SAnirudh Venkataramanan * ice_pf_rxq_wait - Wait for a PF's Rx queue to be enabled or disabled 16772adf242SAnirudh Venkataramanan * @pf: the PF being configured 16872adf242SAnirudh Venkataramanan * @pf_q: the PF queue 16972adf242SAnirudh Venkataramanan * @ena: enable or disable state of the queue 17072adf242SAnirudh Venkataramanan * 17172adf242SAnirudh Venkataramanan * This routine will wait for the given Rx queue of the PF to reach the 17272adf242SAnirudh Venkataramanan * enabled or disabled state. 17372adf242SAnirudh Venkataramanan * Returns -ETIMEDOUT in case of failing to reach the requested state after 17472adf242SAnirudh Venkataramanan * multiple retries; else will return 0 in case of success. 17572adf242SAnirudh Venkataramanan */ 17672adf242SAnirudh Venkataramanan static int ice_pf_rxq_wait(struct ice_pf *pf, int pf_q, bool ena) 17772adf242SAnirudh Venkataramanan { 17872adf242SAnirudh Venkataramanan int i; 17972adf242SAnirudh Venkataramanan 1807b8ff0f9SPiotr Raczynski for (i = 0; i < ICE_Q_WAIT_MAX_RETRY; i++) { 18116c3301bSBrett Creeley if (ena == !!(rd32(&pf->hw, QRX_CTRL(pf_q)) & 18216c3301bSBrett Creeley QRX_CTRL_QENA_STAT_M)) 18316c3301bSBrett Creeley return 0; 18472adf242SAnirudh Venkataramanan 1857b8ff0f9SPiotr Raczynski usleep_range(20, 40); 18672adf242SAnirudh Venkataramanan } 18772adf242SAnirudh Venkataramanan 18816c3301bSBrett Creeley return -ETIMEDOUT; 18972adf242SAnirudh Venkataramanan } 19072adf242SAnirudh Venkataramanan 19172adf242SAnirudh Venkataramanan /** 19272adf242SAnirudh Venkataramanan * ice_vsi_ctrl_rx_rings - Start or stop a VSI's Rx rings 19372adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 19472adf242SAnirudh Venkataramanan * @ena: start or stop the Rx rings 19572adf242SAnirudh Venkataramanan */ 19672adf242SAnirudh Venkataramanan static int ice_vsi_ctrl_rx_rings(struct ice_vsi *vsi, bool ena) 19772adf242SAnirudh Venkataramanan { 19872adf242SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 19972adf242SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 20072adf242SAnirudh Venkataramanan int i, j, ret = 0; 20172adf242SAnirudh Venkataramanan 20272adf242SAnirudh Venkataramanan for (i = 0; i < vsi->num_rxq; i++) { 20372adf242SAnirudh Venkataramanan int pf_q = vsi->rxq_map[i]; 20472adf242SAnirudh Venkataramanan u32 rx_reg; 20572adf242SAnirudh Venkataramanan 20672adf242SAnirudh Venkataramanan for (j = 0; j < ICE_Q_WAIT_MAX_RETRY; j++) { 20772adf242SAnirudh Venkataramanan rx_reg = rd32(hw, QRX_CTRL(pf_q)); 20872adf242SAnirudh Venkataramanan if (((rx_reg >> QRX_CTRL_QENA_REQ_S) & 1) == 20972adf242SAnirudh Venkataramanan ((rx_reg >> QRX_CTRL_QENA_STAT_S) & 1)) 21072adf242SAnirudh Venkataramanan break; 21172adf242SAnirudh Venkataramanan usleep_range(1000, 2000); 21272adf242SAnirudh Venkataramanan } 21372adf242SAnirudh Venkataramanan 21472adf242SAnirudh Venkataramanan /* Skip if the queue is already in the requested state */ 21572adf242SAnirudh Venkataramanan if (ena == !!(rx_reg & QRX_CTRL_QENA_STAT_M)) 21672adf242SAnirudh Venkataramanan continue; 21772adf242SAnirudh Venkataramanan 21872adf242SAnirudh Venkataramanan /* turn on/off the queue */ 21972adf242SAnirudh Venkataramanan if (ena) 22072adf242SAnirudh Venkataramanan rx_reg |= QRX_CTRL_QENA_REQ_M; 22172adf242SAnirudh Venkataramanan else 22272adf242SAnirudh Venkataramanan rx_reg &= ~QRX_CTRL_QENA_REQ_M; 22372adf242SAnirudh Venkataramanan wr32(hw, QRX_CTRL(pf_q), rx_reg); 22472adf242SAnirudh Venkataramanan 22572adf242SAnirudh Venkataramanan /* wait for the change to finish */ 22672adf242SAnirudh Venkataramanan ret = ice_pf_rxq_wait(pf, pf_q, ena); 22772adf242SAnirudh Venkataramanan if (ret) { 22872adf242SAnirudh Venkataramanan dev_err(&pf->pdev->dev, 22972adf242SAnirudh Venkataramanan "VSI idx %d Rx ring %d %sable timeout\n", 23072adf242SAnirudh Venkataramanan vsi->idx, pf_q, (ena ? "en" : "dis")); 23172adf242SAnirudh Venkataramanan break; 23272adf242SAnirudh Venkataramanan } 23372adf242SAnirudh Venkataramanan } 23472adf242SAnirudh Venkataramanan 23572adf242SAnirudh Venkataramanan return ret; 23672adf242SAnirudh Venkataramanan } 23772adf242SAnirudh Venkataramanan 23872adf242SAnirudh Venkataramanan /** 23928c2a645SAnirudh Venkataramanan * ice_vsi_alloc_arrays - Allocate queue and vector pointer arrays for the VSI 24028c2a645SAnirudh Venkataramanan * @vsi: VSI pointer 24128c2a645SAnirudh Venkataramanan * @alloc_qvectors: a bool to specify if q_vectors need to be allocated. 24228c2a645SAnirudh Venkataramanan * 24328c2a645SAnirudh Venkataramanan * On error: returns error code (negative) 24428c2a645SAnirudh Venkataramanan * On success: returns 0 24528c2a645SAnirudh Venkataramanan */ 24637bb8390SAnirudh Venkataramanan static int ice_vsi_alloc_arrays(struct ice_vsi *vsi, bool alloc_qvectors) 24728c2a645SAnirudh Venkataramanan { 24828c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 24928c2a645SAnirudh Venkataramanan 25028c2a645SAnirudh Venkataramanan /* allocate memory for both Tx and Rx ring pointers */ 25128c2a645SAnirudh Venkataramanan vsi->tx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_txq, 252c6dfd690SBruce Allan sizeof(*vsi->tx_rings), GFP_KERNEL); 25328c2a645SAnirudh Venkataramanan if (!vsi->tx_rings) 25428c2a645SAnirudh Venkataramanan goto err_txrings; 25528c2a645SAnirudh Venkataramanan 25628c2a645SAnirudh Venkataramanan vsi->rx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_rxq, 257c6dfd690SBruce Allan sizeof(*vsi->rx_rings), GFP_KERNEL); 25828c2a645SAnirudh Venkataramanan if (!vsi->rx_rings) 25928c2a645SAnirudh Venkataramanan goto err_rxrings; 26028c2a645SAnirudh Venkataramanan 26128c2a645SAnirudh Venkataramanan if (alloc_qvectors) { 26228c2a645SAnirudh Venkataramanan /* allocate memory for q_vector pointers */ 26328c2a645SAnirudh Venkataramanan vsi->q_vectors = devm_kcalloc(&pf->pdev->dev, 26428c2a645SAnirudh Venkataramanan vsi->num_q_vectors, 265c6dfd690SBruce Allan sizeof(*vsi->q_vectors), 26628c2a645SAnirudh Venkataramanan GFP_KERNEL); 26728c2a645SAnirudh Venkataramanan if (!vsi->q_vectors) 26828c2a645SAnirudh Venkataramanan goto err_vectors; 26928c2a645SAnirudh Venkataramanan } 27028c2a645SAnirudh Venkataramanan 27128c2a645SAnirudh Venkataramanan return 0; 27228c2a645SAnirudh Venkataramanan 27328c2a645SAnirudh Venkataramanan err_vectors: 27428c2a645SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi->rx_rings); 27528c2a645SAnirudh Venkataramanan err_rxrings: 27628c2a645SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi->tx_rings); 27728c2a645SAnirudh Venkataramanan err_txrings: 27828c2a645SAnirudh Venkataramanan return -ENOMEM; 27928c2a645SAnirudh Venkataramanan } 28028c2a645SAnirudh Venkataramanan 28128c2a645SAnirudh Venkataramanan /** 282ad71b256SBrett Creeley * ice_vsi_set_num_desc - Set number of descriptors for queues on this VSI 283ad71b256SBrett Creeley * @vsi: the VSI being configured 284ad71b256SBrett Creeley */ 285ad71b256SBrett Creeley static void ice_vsi_set_num_desc(struct ice_vsi *vsi) 286ad71b256SBrett Creeley { 287ad71b256SBrett Creeley switch (vsi->type) { 288ad71b256SBrett Creeley case ICE_VSI_PF: 289ad71b256SBrett Creeley vsi->num_rx_desc = ICE_DFLT_NUM_RX_DESC; 290ad71b256SBrett Creeley vsi->num_tx_desc = ICE_DFLT_NUM_TX_DESC; 291ad71b256SBrett Creeley break; 292ad71b256SBrett Creeley default: 293ad71b256SBrett Creeley dev_dbg(&vsi->back->pdev->dev, 294ad71b256SBrett Creeley "Not setting number of Tx/Rx descriptors for VSI type %d\n", 295ad71b256SBrett Creeley vsi->type); 296ad71b256SBrett Creeley break; 297ad71b256SBrett Creeley } 298ad71b256SBrett Creeley } 299ad71b256SBrett Creeley 300ad71b256SBrett Creeley /** 301ad71b256SBrett Creeley * ice_vsi_set_num_qs - Set number of queues, descriptors and vectors for a VSI 30228c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 303f9867df6SAnirudh Venkataramanan * @vf_id: ID of the VF being configured 30428c2a645SAnirudh Venkataramanan * 30528c2a645SAnirudh Venkataramanan * Return 0 on success and a negative value on error 30628c2a645SAnirudh Venkataramanan */ 3075743020dSAkeem G Abodunrin static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id) 30828c2a645SAnirudh Venkataramanan { 30928c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 31028c2a645SAnirudh Venkataramanan 3115743020dSAkeem G Abodunrin struct ice_vf *vf = NULL; 3125743020dSAkeem G Abodunrin 3135743020dSAkeem G Abodunrin if (vsi->type == ICE_VSI_VF) 3145743020dSAkeem G Abodunrin vsi->vf_id = vf_id; 3155743020dSAkeem G Abodunrin 31628c2a645SAnirudh Venkataramanan switch (vsi->type) { 31728c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 31828c2a645SAnirudh Venkataramanan vsi->alloc_txq = pf->num_lan_tx; 31928c2a645SAnirudh Venkataramanan vsi->alloc_rxq = pf->num_lan_rx; 32028c2a645SAnirudh Venkataramanan vsi->num_q_vectors = max_t(int, pf->num_lan_rx, pf->num_lan_tx); 32128c2a645SAnirudh Venkataramanan break; 3228ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 3235743020dSAkeem G Abodunrin vf = &pf->vf[vsi->vf_id]; 3245743020dSAkeem G Abodunrin vsi->alloc_txq = vf->num_vf_qs; 3255743020dSAkeem G Abodunrin vsi->alloc_rxq = vf->num_vf_qs; 3268ede0178SAnirudh Venkataramanan /* pf->num_vf_msix includes (VF miscellaneous vector + 3278ede0178SAnirudh Venkataramanan * data queue interrupts). Since vsi->num_q_vectors is number 3288ede0178SAnirudh Venkataramanan * of queues vectors, subtract 1 from the original vector 3298ede0178SAnirudh Venkataramanan * count 3308ede0178SAnirudh Venkataramanan */ 3318ede0178SAnirudh Venkataramanan vsi->num_q_vectors = pf->num_vf_msix - 1; 3328ede0178SAnirudh Venkataramanan break; 33328c2a645SAnirudh Venkataramanan default: 33428c2a645SAnirudh Venkataramanan dev_warn(&vsi->back->pdev->dev, "Unknown VSI type %d\n", 33528c2a645SAnirudh Venkataramanan vsi->type); 33628c2a645SAnirudh Venkataramanan break; 33728c2a645SAnirudh Venkataramanan } 338ad71b256SBrett Creeley 339ad71b256SBrett Creeley ice_vsi_set_num_desc(vsi); 34028c2a645SAnirudh Venkataramanan } 34128c2a645SAnirudh Venkataramanan 34228c2a645SAnirudh Venkataramanan /** 34328c2a645SAnirudh Venkataramanan * ice_get_free_slot - get the next non-NULL location index in array 34428c2a645SAnirudh Venkataramanan * @array: array to search 34528c2a645SAnirudh Venkataramanan * @size: size of the array 34628c2a645SAnirudh Venkataramanan * @curr: last known occupied index to be used as a search hint 34728c2a645SAnirudh Venkataramanan * 34828c2a645SAnirudh Venkataramanan * void * is being used to keep the functionality generic. This lets us use this 34928c2a645SAnirudh Venkataramanan * function on any array of pointers. 35028c2a645SAnirudh Venkataramanan */ 35137bb8390SAnirudh Venkataramanan static int ice_get_free_slot(void *array, int size, int curr) 35228c2a645SAnirudh Venkataramanan { 35328c2a645SAnirudh Venkataramanan int **tmp_array = (int **)array; 35428c2a645SAnirudh Venkataramanan int next; 35528c2a645SAnirudh Venkataramanan 35628c2a645SAnirudh Venkataramanan if (curr < (size - 1) && !tmp_array[curr + 1]) { 35728c2a645SAnirudh Venkataramanan next = curr + 1; 35828c2a645SAnirudh Venkataramanan } else { 35928c2a645SAnirudh Venkataramanan int i = 0; 36028c2a645SAnirudh Venkataramanan 36128c2a645SAnirudh Venkataramanan while ((i < size) && (tmp_array[i])) 36228c2a645SAnirudh Venkataramanan i++; 36328c2a645SAnirudh Venkataramanan if (i == size) 36428c2a645SAnirudh Venkataramanan next = ICE_NO_VSI; 36528c2a645SAnirudh Venkataramanan else 36628c2a645SAnirudh Venkataramanan next = i; 36728c2a645SAnirudh Venkataramanan } 36828c2a645SAnirudh Venkataramanan return next; 36928c2a645SAnirudh Venkataramanan } 37028c2a645SAnirudh Venkataramanan 37128c2a645SAnirudh Venkataramanan /** 3725153a18eSAnirudh Venkataramanan * ice_vsi_delete - delete a VSI from the switch 3735153a18eSAnirudh Venkataramanan * @vsi: pointer to VSI being removed 3745153a18eSAnirudh Venkataramanan */ 3755153a18eSAnirudh Venkataramanan void ice_vsi_delete(struct ice_vsi *vsi) 3765153a18eSAnirudh Venkataramanan { 3775153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 378198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 3795153a18eSAnirudh Venkataramanan enum ice_status status; 3805153a18eSAnirudh Venkataramanan 381198a666aSBruce Allan ctxt = devm_kzalloc(&pf->pdev->dev, sizeof(*ctxt), GFP_KERNEL); 382198a666aSBruce Allan if (!ctxt) 383198a666aSBruce Allan return; 384198a666aSBruce Allan 3858ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 386198a666aSBruce Allan ctxt->vf_num = vsi->vf_id; 387198a666aSBruce Allan ctxt->vsi_num = vsi->vsi_num; 3885153a18eSAnirudh Venkataramanan 389198a666aSBruce Allan memcpy(&ctxt->info, &vsi->info, sizeof(ctxt->info)); 3905153a18eSAnirudh Venkataramanan 391198a666aSBruce Allan status = ice_free_vsi(&pf->hw, vsi->idx, ctxt, false, NULL); 3925153a18eSAnirudh Venkataramanan if (status) 3935153a18eSAnirudh Venkataramanan dev_err(&pf->pdev->dev, "Failed to delete VSI %i in FW\n", 3945153a18eSAnirudh Venkataramanan vsi->vsi_num); 395198a666aSBruce Allan 396198a666aSBruce Allan devm_kfree(&pf->pdev->dev, ctxt); 3975153a18eSAnirudh Venkataramanan } 3985153a18eSAnirudh Venkataramanan 3995153a18eSAnirudh Venkataramanan /** 40007309a0eSAnirudh Venkataramanan * ice_vsi_free_arrays - clean up VSI resources 40107309a0eSAnirudh Venkataramanan * @vsi: pointer to VSI being cleared 40207309a0eSAnirudh Venkataramanan * @free_qvectors: bool to specify if q_vectors should be deallocated 40307309a0eSAnirudh Venkataramanan */ 404df0f8479SAnirudh Venkataramanan static void ice_vsi_free_arrays(struct ice_vsi *vsi, bool free_qvectors) 40507309a0eSAnirudh Venkataramanan { 40607309a0eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 40707309a0eSAnirudh Venkataramanan 40807309a0eSAnirudh Venkataramanan /* free the ring and vector containers */ 40907309a0eSAnirudh Venkataramanan if (free_qvectors && vsi->q_vectors) { 41007309a0eSAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi->q_vectors); 41107309a0eSAnirudh Venkataramanan vsi->q_vectors = NULL; 41207309a0eSAnirudh Venkataramanan } 41307309a0eSAnirudh Venkataramanan if (vsi->tx_rings) { 41407309a0eSAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi->tx_rings); 41507309a0eSAnirudh Venkataramanan vsi->tx_rings = NULL; 41607309a0eSAnirudh Venkataramanan } 41707309a0eSAnirudh Venkataramanan if (vsi->rx_rings) { 41807309a0eSAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi->rx_rings); 41907309a0eSAnirudh Venkataramanan vsi->rx_rings = NULL; 42007309a0eSAnirudh Venkataramanan } 42107309a0eSAnirudh Venkataramanan } 42207309a0eSAnirudh Venkataramanan 42307309a0eSAnirudh Venkataramanan /** 42407309a0eSAnirudh Venkataramanan * ice_vsi_clear - clean up and deallocate the provided VSI 42507309a0eSAnirudh Venkataramanan * @vsi: pointer to VSI being cleared 42607309a0eSAnirudh Venkataramanan * 42707309a0eSAnirudh Venkataramanan * This deallocates the VSI's queue resources, removes it from the PF's 42807309a0eSAnirudh Venkataramanan * VSI array if necessary, and deallocates the VSI 42907309a0eSAnirudh Venkataramanan * 43007309a0eSAnirudh Venkataramanan * Returns 0 on success, negative on failure 43107309a0eSAnirudh Venkataramanan */ 43207309a0eSAnirudh Venkataramanan int ice_vsi_clear(struct ice_vsi *vsi) 43307309a0eSAnirudh Venkataramanan { 43407309a0eSAnirudh Venkataramanan struct ice_pf *pf = NULL; 43507309a0eSAnirudh Venkataramanan 43607309a0eSAnirudh Venkataramanan if (!vsi) 43707309a0eSAnirudh Venkataramanan return 0; 43807309a0eSAnirudh Venkataramanan 43907309a0eSAnirudh Venkataramanan if (!vsi->back) 44007309a0eSAnirudh Venkataramanan return -EINVAL; 44107309a0eSAnirudh Venkataramanan 44207309a0eSAnirudh Venkataramanan pf = vsi->back; 44307309a0eSAnirudh Venkataramanan 44407309a0eSAnirudh Venkataramanan if (!pf->vsi[vsi->idx] || pf->vsi[vsi->idx] != vsi) { 44507309a0eSAnirudh Venkataramanan dev_dbg(&pf->pdev->dev, "vsi does not exist at pf->vsi[%d]\n", 44607309a0eSAnirudh Venkataramanan vsi->idx); 44707309a0eSAnirudh Venkataramanan return -EINVAL; 44807309a0eSAnirudh Venkataramanan } 44907309a0eSAnirudh Venkataramanan 45007309a0eSAnirudh Venkataramanan mutex_lock(&pf->sw_mutex); 45107309a0eSAnirudh Venkataramanan /* updates the PF for this cleared VSI */ 45207309a0eSAnirudh Venkataramanan 45307309a0eSAnirudh Venkataramanan pf->vsi[vsi->idx] = NULL; 45407309a0eSAnirudh Venkataramanan if (vsi->idx < pf->next_vsi) 45507309a0eSAnirudh Venkataramanan pf->next_vsi = vsi->idx; 45607309a0eSAnirudh Venkataramanan 45707309a0eSAnirudh Venkataramanan ice_vsi_free_arrays(vsi, true); 45807309a0eSAnirudh Venkataramanan mutex_unlock(&pf->sw_mutex); 45907309a0eSAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi); 46007309a0eSAnirudh Venkataramanan 46107309a0eSAnirudh Venkataramanan return 0; 46207309a0eSAnirudh Venkataramanan } 46307309a0eSAnirudh Venkataramanan 46407309a0eSAnirudh Venkataramanan /** 4655153a18eSAnirudh Venkataramanan * ice_msix_clean_rings - MSIX mode Interrupt Handler 4665153a18eSAnirudh Venkataramanan * @irq: interrupt number 4675153a18eSAnirudh Venkataramanan * @data: pointer to a q_vector 4685153a18eSAnirudh Venkataramanan */ 469f3aaaaaaSAnirudh Venkataramanan static irqreturn_t ice_msix_clean_rings(int __always_unused irq, void *data) 4705153a18eSAnirudh Venkataramanan { 4715153a18eSAnirudh Venkataramanan struct ice_q_vector *q_vector = (struct ice_q_vector *)data; 4725153a18eSAnirudh Venkataramanan 4735153a18eSAnirudh Venkataramanan if (!q_vector->tx.ring && !q_vector->rx.ring) 4745153a18eSAnirudh Venkataramanan return IRQ_HANDLED; 4755153a18eSAnirudh Venkataramanan 4765153a18eSAnirudh Venkataramanan napi_schedule(&q_vector->napi); 4775153a18eSAnirudh Venkataramanan 4785153a18eSAnirudh Venkataramanan return IRQ_HANDLED; 4795153a18eSAnirudh Venkataramanan } 4805153a18eSAnirudh Venkataramanan 4815153a18eSAnirudh Venkataramanan /** 48237bb8390SAnirudh Venkataramanan * ice_vsi_alloc - Allocates the next available struct VSI in the PF 48337bb8390SAnirudh Venkataramanan * @pf: board private structure 48437bb8390SAnirudh Venkataramanan * @type: type of VSI 485f9867df6SAnirudh Venkataramanan * @vf_id: ID of the VF being configured 48637bb8390SAnirudh Venkataramanan * 48737bb8390SAnirudh Venkataramanan * returns a pointer to a VSI on success, NULL on failure. 48837bb8390SAnirudh Venkataramanan */ 4895743020dSAkeem G Abodunrin static struct ice_vsi * 4905743020dSAkeem G Abodunrin ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type type, u16 vf_id) 49137bb8390SAnirudh Venkataramanan { 49237bb8390SAnirudh Venkataramanan struct ice_vsi *vsi = NULL; 49337bb8390SAnirudh Venkataramanan 49437bb8390SAnirudh Venkataramanan /* Need to protect the allocation of the VSIs at the PF level */ 49537bb8390SAnirudh Venkataramanan mutex_lock(&pf->sw_mutex); 49637bb8390SAnirudh Venkataramanan 49737bb8390SAnirudh Venkataramanan /* If we have already allocated our maximum number of VSIs, 49837bb8390SAnirudh Venkataramanan * pf->next_vsi will be ICE_NO_VSI. If not, pf->next_vsi index 49937bb8390SAnirudh Venkataramanan * is available to be populated 50037bb8390SAnirudh Venkataramanan */ 50137bb8390SAnirudh Venkataramanan if (pf->next_vsi == ICE_NO_VSI) { 50237bb8390SAnirudh Venkataramanan dev_dbg(&pf->pdev->dev, "out of VSI slots!\n"); 50337bb8390SAnirudh Venkataramanan goto unlock_pf; 50437bb8390SAnirudh Venkataramanan } 50537bb8390SAnirudh Venkataramanan 50637bb8390SAnirudh Venkataramanan vsi = devm_kzalloc(&pf->pdev->dev, sizeof(*vsi), GFP_KERNEL); 50737bb8390SAnirudh Venkataramanan if (!vsi) 50837bb8390SAnirudh Venkataramanan goto unlock_pf; 50937bb8390SAnirudh Venkataramanan 51037bb8390SAnirudh Venkataramanan vsi->type = type; 51137bb8390SAnirudh Venkataramanan vsi->back = pf; 51237bb8390SAnirudh Venkataramanan set_bit(__ICE_DOWN, vsi->state); 51337bb8390SAnirudh Venkataramanan vsi->idx = pf->next_vsi; 51437bb8390SAnirudh Venkataramanan vsi->work_lmt = ICE_DFLT_IRQ_WORK; 51537bb8390SAnirudh Venkataramanan 5165743020dSAkeem G Abodunrin if (type == ICE_VSI_VF) 5175743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, vf_id); 5185743020dSAkeem G Abodunrin else 5195743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID); 52037bb8390SAnirudh Venkataramanan 52137bb8390SAnirudh Venkataramanan switch (vsi->type) { 52237bb8390SAnirudh Venkataramanan case ICE_VSI_PF: 52337bb8390SAnirudh Venkataramanan if (ice_vsi_alloc_arrays(vsi, true)) 52437bb8390SAnirudh Venkataramanan goto err_rings; 52537bb8390SAnirudh Venkataramanan 52637bb8390SAnirudh Venkataramanan /* Setup default MSIX irq handler for VSI */ 52737bb8390SAnirudh Venkataramanan vsi->irq_handler = ice_msix_clean_rings; 52837bb8390SAnirudh Venkataramanan break; 5298ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 5308ede0178SAnirudh Venkataramanan if (ice_vsi_alloc_arrays(vsi, true)) 5318ede0178SAnirudh Venkataramanan goto err_rings; 5328ede0178SAnirudh Venkataramanan break; 53337bb8390SAnirudh Venkataramanan default: 53437bb8390SAnirudh Venkataramanan dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type); 53537bb8390SAnirudh Venkataramanan goto unlock_pf; 53637bb8390SAnirudh Venkataramanan } 53737bb8390SAnirudh Venkataramanan 53837bb8390SAnirudh Venkataramanan /* fill VSI slot in the PF struct */ 53937bb8390SAnirudh Venkataramanan pf->vsi[pf->next_vsi] = vsi; 54037bb8390SAnirudh Venkataramanan 54137bb8390SAnirudh Venkataramanan /* prepare pf->next_vsi for next use */ 54237bb8390SAnirudh Venkataramanan pf->next_vsi = ice_get_free_slot(pf->vsi, pf->num_alloc_vsi, 54337bb8390SAnirudh Venkataramanan pf->next_vsi); 54437bb8390SAnirudh Venkataramanan goto unlock_pf; 54537bb8390SAnirudh Venkataramanan 54637bb8390SAnirudh Venkataramanan err_rings: 54737bb8390SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi); 54837bb8390SAnirudh Venkataramanan vsi = NULL; 54937bb8390SAnirudh Venkataramanan unlock_pf: 55037bb8390SAnirudh Venkataramanan mutex_unlock(&pf->sw_mutex); 55137bb8390SAnirudh Venkataramanan return vsi; 55237bb8390SAnirudh Venkataramanan } 55337bb8390SAnirudh Venkataramanan 55437bb8390SAnirudh Venkataramanan /** 55503f7a986SAnirudh Venkataramanan * __ice_vsi_get_qs_contig - Assign a contiguous chunk of queues to VSI 55603f7a986SAnirudh Venkataramanan * @qs_cfg: gathered variables needed for PF->VSI queues assignment 557df0f8479SAnirudh Venkataramanan * 55803f7a986SAnirudh Venkataramanan * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap 559df0f8479SAnirudh Venkataramanan */ 56003f7a986SAnirudh Venkataramanan static int __ice_vsi_get_qs_contig(struct ice_qs_cfg *qs_cfg) 561df0f8479SAnirudh Venkataramanan { 56203f7a986SAnirudh Venkataramanan int offset, i; 563df0f8479SAnirudh Venkataramanan 56403f7a986SAnirudh Venkataramanan mutex_lock(qs_cfg->qs_mutex); 56503f7a986SAnirudh Venkataramanan offset = bitmap_find_next_zero_area(qs_cfg->pf_map, qs_cfg->pf_map_size, 56603f7a986SAnirudh Venkataramanan 0, qs_cfg->q_count, 0); 56703f7a986SAnirudh Venkataramanan if (offset >= qs_cfg->pf_map_size) { 56803f7a986SAnirudh Venkataramanan mutex_unlock(qs_cfg->qs_mutex); 56903f7a986SAnirudh Venkataramanan return -ENOMEM; 570df0f8479SAnirudh Venkataramanan } 571df0f8479SAnirudh Venkataramanan 57203f7a986SAnirudh Venkataramanan bitmap_set(qs_cfg->pf_map, offset, qs_cfg->q_count); 57303f7a986SAnirudh Venkataramanan for (i = 0; i < qs_cfg->q_count; i++) 57403f7a986SAnirudh Venkataramanan qs_cfg->vsi_map[i + qs_cfg->vsi_map_offset] = i + offset; 57503f7a986SAnirudh Venkataramanan mutex_unlock(qs_cfg->qs_mutex); 576df0f8479SAnirudh Venkataramanan 57703f7a986SAnirudh Venkataramanan return 0; 578df0f8479SAnirudh Venkataramanan } 579df0f8479SAnirudh Venkataramanan 580df0f8479SAnirudh Venkataramanan /** 58103f7a986SAnirudh Venkataramanan * __ice_vsi_get_qs_sc - Assign a scattered queues from PF to VSI 58203f7a986SAnirudh Venkataramanan * @qs_cfg: gathered variables needed for PF->VSI queues assignment 583df0f8479SAnirudh Venkataramanan * 58403f7a986SAnirudh Venkataramanan * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap 585df0f8479SAnirudh Venkataramanan */ 58603f7a986SAnirudh Venkataramanan static int __ice_vsi_get_qs_sc(struct ice_qs_cfg *qs_cfg) 587df0f8479SAnirudh Venkataramanan { 588df0f8479SAnirudh Venkataramanan int i, index = 0; 589df0f8479SAnirudh Venkataramanan 59003f7a986SAnirudh Venkataramanan mutex_lock(qs_cfg->qs_mutex); 59103f7a986SAnirudh Venkataramanan for (i = 0; i < qs_cfg->q_count; i++) { 59203f7a986SAnirudh Venkataramanan index = find_next_zero_bit(qs_cfg->pf_map, 59303f7a986SAnirudh Venkataramanan qs_cfg->pf_map_size, index); 59403f7a986SAnirudh Venkataramanan if (index >= qs_cfg->pf_map_size) 59503f7a986SAnirudh Venkataramanan goto err_scatter; 59603f7a986SAnirudh Venkataramanan set_bit(index, qs_cfg->pf_map); 59703f7a986SAnirudh Venkataramanan qs_cfg->vsi_map[i + qs_cfg->vsi_map_offset] = index; 59803f7a986SAnirudh Venkataramanan } 59903f7a986SAnirudh Venkataramanan mutex_unlock(qs_cfg->qs_mutex); 600df0f8479SAnirudh Venkataramanan 601df0f8479SAnirudh Venkataramanan return 0; 60203f7a986SAnirudh Venkataramanan err_scatter: 603df0f8479SAnirudh Venkataramanan for (index = 0; index < i; index++) { 60403f7a986SAnirudh Venkataramanan clear_bit(qs_cfg->vsi_map[index], qs_cfg->pf_map); 60503f7a986SAnirudh Venkataramanan qs_cfg->vsi_map[index + qs_cfg->vsi_map_offset] = 0; 606df0f8479SAnirudh Venkataramanan } 60703f7a986SAnirudh Venkataramanan mutex_unlock(qs_cfg->qs_mutex); 608df0f8479SAnirudh Venkataramanan 609df0f8479SAnirudh Venkataramanan return -ENOMEM; 610df0f8479SAnirudh Venkataramanan } 611df0f8479SAnirudh Venkataramanan 612df0f8479SAnirudh Venkataramanan /** 61303f7a986SAnirudh Venkataramanan * __ice_vsi_get_qs - helper function for assigning queues from PF to VSI 6146c2f997aSAnirudh Venkataramanan * @qs_cfg: gathered variables needed for pf->vsi queues assignment 61503f7a986SAnirudh Venkataramanan * 6166c2f997aSAnirudh Venkataramanan * This function first tries to find contiguous space. If it is not successful, 6176c2f997aSAnirudh Venkataramanan * it tries with the scatter approach. 61803f7a986SAnirudh Venkataramanan * 61903f7a986SAnirudh Venkataramanan * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap 62003f7a986SAnirudh Venkataramanan */ 62103f7a986SAnirudh Venkataramanan static int __ice_vsi_get_qs(struct ice_qs_cfg *qs_cfg) 62203f7a986SAnirudh Venkataramanan { 62303f7a986SAnirudh Venkataramanan int ret = 0; 62403f7a986SAnirudh Venkataramanan 62503f7a986SAnirudh Venkataramanan ret = __ice_vsi_get_qs_contig(qs_cfg); 62603f7a986SAnirudh Venkataramanan if (ret) { 62703f7a986SAnirudh Venkataramanan /* contig failed, so try with scatter approach */ 62803f7a986SAnirudh Venkataramanan qs_cfg->mapping_mode = ICE_VSI_MAP_SCATTER; 62903f7a986SAnirudh Venkataramanan qs_cfg->q_count = min_t(u16, qs_cfg->q_count, 63003f7a986SAnirudh Venkataramanan qs_cfg->scatter_count); 63103f7a986SAnirudh Venkataramanan ret = __ice_vsi_get_qs_sc(qs_cfg); 63203f7a986SAnirudh Venkataramanan } 63303f7a986SAnirudh Venkataramanan return ret; 63403f7a986SAnirudh Venkataramanan } 63503f7a986SAnirudh Venkataramanan 63603f7a986SAnirudh Venkataramanan /** 637df0f8479SAnirudh Venkataramanan * ice_vsi_get_qs - Assign queues from PF to VSI 638df0f8479SAnirudh Venkataramanan * @vsi: the VSI to assign queues to 639df0f8479SAnirudh Venkataramanan * 640df0f8479SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 641df0f8479SAnirudh Venkataramanan */ 64237bb8390SAnirudh Venkataramanan static int ice_vsi_get_qs(struct ice_vsi *vsi) 643df0f8479SAnirudh Venkataramanan { 64403f7a986SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 64503f7a986SAnirudh Venkataramanan struct ice_qs_cfg tx_qs_cfg = { 64603f7a986SAnirudh Venkataramanan .qs_mutex = &pf->avail_q_mutex, 64703f7a986SAnirudh Venkataramanan .pf_map = pf->avail_txqs, 64803f7a986SAnirudh Venkataramanan .pf_map_size = ICE_MAX_TXQS, 64903f7a986SAnirudh Venkataramanan .q_count = vsi->alloc_txq, 65003f7a986SAnirudh Venkataramanan .scatter_count = ICE_MAX_SCATTER_TXQS, 65103f7a986SAnirudh Venkataramanan .vsi_map = vsi->txq_map, 65203f7a986SAnirudh Venkataramanan .vsi_map_offset = 0, 65303f7a986SAnirudh Venkataramanan .mapping_mode = vsi->tx_mapping_mode 65403f7a986SAnirudh Venkataramanan }; 65503f7a986SAnirudh Venkataramanan struct ice_qs_cfg rx_qs_cfg = { 65603f7a986SAnirudh Venkataramanan .qs_mutex = &pf->avail_q_mutex, 65703f7a986SAnirudh Venkataramanan .pf_map = pf->avail_rxqs, 65803f7a986SAnirudh Venkataramanan .pf_map_size = ICE_MAX_RXQS, 65903f7a986SAnirudh Venkataramanan .q_count = vsi->alloc_rxq, 66003f7a986SAnirudh Venkataramanan .scatter_count = ICE_MAX_SCATTER_RXQS, 66103f7a986SAnirudh Venkataramanan .vsi_map = vsi->rxq_map, 66203f7a986SAnirudh Venkataramanan .vsi_map_offset = 0, 66303f7a986SAnirudh Venkataramanan .mapping_mode = vsi->rx_mapping_mode 66403f7a986SAnirudh Venkataramanan }; 665df0f8479SAnirudh Venkataramanan int ret = 0; 666df0f8479SAnirudh Venkataramanan 667df0f8479SAnirudh Venkataramanan vsi->tx_mapping_mode = ICE_VSI_MAP_CONTIG; 668df0f8479SAnirudh Venkataramanan vsi->rx_mapping_mode = ICE_VSI_MAP_CONTIG; 669df0f8479SAnirudh Venkataramanan 67003f7a986SAnirudh Venkataramanan ret = __ice_vsi_get_qs(&tx_qs_cfg); 67103f7a986SAnirudh Venkataramanan if (!ret) 67203f7a986SAnirudh Venkataramanan ret = __ice_vsi_get_qs(&rx_qs_cfg); 673df0f8479SAnirudh Venkataramanan 674df0f8479SAnirudh Venkataramanan return ret; 675df0f8479SAnirudh Venkataramanan } 676df0f8479SAnirudh Venkataramanan 677df0f8479SAnirudh Venkataramanan /** 6785153a18eSAnirudh Venkataramanan * ice_vsi_put_qs - Release queues from VSI to PF 6795153a18eSAnirudh Venkataramanan * @vsi: the VSI that is going to release queues 6805153a18eSAnirudh Venkataramanan */ 6815153a18eSAnirudh Venkataramanan void ice_vsi_put_qs(struct ice_vsi *vsi) 6825153a18eSAnirudh Venkataramanan { 6835153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 6845153a18eSAnirudh Venkataramanan int i; 6855153a18eSAnirudh Venkataramanan 6865153a18eSAnirudh Venkataramanan mutex_lock(&pf->avail_q_mutex); 6875153a18eSAnirudh Venkataramanan 6885153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 6895153a18eSAnirudh Venkataramanan clear_bit(vsi->txq_map[i], pf->avail_txqs); 6905153a18eSAnirudh Venkataramanan vsi->txq_map[i] = ICE_INVAL_Q_INDEX; 6915153a18eSAnirudh Venkataramanan } 6925153a18eSAnirudh Venkataramanan 6935153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 6945153a18eSAnirudh Venkataramanan clear_bit(vsi->rxq_map[i], pf->avail_rxqs); 6955153a18eSAnirudh Venkataramanan vsi->rxq_map[i] = ICE_INVAL_Q_INDEX; 6965153a18eSAnirudh Venkataramanan } 6975153a18eSAnirudh Venkataramanan 6985153a18eSAnirudh Venkataramanan mutex_unlock(&pf->avail_q_mutex); 6995153a18eSAnirudh Venkataramanan } 7005153a18eSAnirudh Venkataramanan 7015153a18eSAnirudh Venkataramanan /** 702df0f8479SAnirudh Venkataramanan * ice_rss_clean - Delete RSS related VSI structures that hold user inputs 703df0f8479SAnirudh Venkataramanan * @vsi: the VSI being removed 704df0f8479SAnirudh Venkataramanan */ 705df0f8479SAnirudh Venkataramanan static void ice_rss_clean(struct ice_vsi *vsi) 706df0f8479SAnirudh Venkataramanan { 707df0f8479SAnirudh Venkataramanan struct ice_pf *pf; 708df0f8479SAnirudh Venkataramanan 709df0f8479SAnirudh Venkataramanan pf = vsi->back; 710df0f8479SAnirudh Venkataramanan 711df0f8479SAnirudh Venkataramanan if (vsi->rss_hkey_user) 712df0f8479SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi->rss_hkey_user); 713df0f8479SAnirudh Venkataramanan if (vsi->rss_lut_user) 714df0f8479SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi->rss_lut_user); 715df0f8479SAnirudh Venkataramanan } 716df0f8479SAnirudh Venkataramanan 717df0f8479SAnirudh Venkataramanan /** 71828c2a645SAnirudh Venkataramanan * ice_vsi_set_rss_params - Setup RSS capabilities per VSI type 71928c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 72028c2a645SAnirudh Venkataramanan */ 72137bb8390SAnirudh Venkataramanan static void ice_vsi_set_rss_params(struct ice_vsi *vsi) 72228c2a645SAnirudh Venkataramanan { 72328c2a645SAnirudh Venkataramanan struct ice_hw_common_caps *cap; 72428c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 72528c2a645SAnirudh Venkataramanan 72628c2a645SAnirudh Venkataramanan if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 72728c2a645SAnirudh Venkataramanan vsi->rss_size = 1; 72828c2a645SAnirudh Venkataramanan return; 72928c2a645SAnirudh Venkataramanan } 73028c2a645SAnirudh Venkataramanan 73128c2a645SAnirudh Venkataramanan cap = &pf->hw.func_caps.common_cap; 73228c2a645SAnirudh Venkataramanan switch (vsi->type) { 73328c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 73428c2a645SAnirudh Venkataramanan /* PF VSI will inherit RSS instance of PF */ 73528c2a645SAnirudh Venkataramanan vsi->rss_table_size = cap->rss_table_size; 73628c2a645SAnirudh Venkataramanan vsi->rss_size = min_t(int, num_online_cpus(), 73728c2a645SAnirudh Venkataramanan BIT(cap->rss_table_entry_width)); 73828c2a645SAnirudh Venkataramanan vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF; 73928c2a645SAnirudh Venkataramanan break; 7408ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 7418ede0178SAnirudh Venkataramanan /* VF VSI will gets a small RSS table 7428ede0178SAnirudh Venkataramanan * For VSI_LUT, LUT size should be set to 64 bytes 7438ede0178SAnirudh Venkataramanan */ 7448ede0178SAnirudh Venkataramanan vsi->rss_table_size = ICE_VSIQF_HLUT_ARRAY_SIZE; 7458ede0178SAnirudh Venkataramanan vsi->rss_size = min_t(int, num_online_cpus(), 7468ede0178SAnirudh Venkataramanan BIT(cap->rss_table_entry_width)); 7478ede0178SAnirudh Venkataramanan vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI; 7488ede0178SAnirudh Venkataramanan break; 74928c2a645SAnirudh Venkataramanan default: 75028c2a645SAnirudh Venkataramanan dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", 75128c2a645SAnirudh Venkataramanan vsi->type); 75228c2a645SAnirudh Venkataramanan break; 75328c2a645SAnirudh Venkataramanan } 75428c2a645SAnirudh Venkataramanan } 75528c2a645SAnirudh Venkataramanan 75628c2a645SAnirudh Venkataramanan /** 75728c2a645SAnirudh Venkataramanan * ice_set_dflt_vsi_ctx - Set default VSI context before adding a VSI 75828c2a645SAnirudh Venkataramanan * @ctxt: the VSI context being set 75928c2a645SAnirudh Venkataramanan * 76028c2a645SAnirudh Venkataramanan * This initializes a default VSI context for all sections except the Queues. 76128c2a645SAnirudh Venkataramanan */ 76228c2a645SAnirudh Venkataramanan static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt) 76328c2a645SAnirudh Venkataramanan { 76428c2a645SAnirudh Venkataramanan u32 table = 0; 76528c2a645SAnirudh Venkataramanan 76628c2a645SAnirudh Venkataramanan memset(&ctxt->info, 0, sizeof(ctxt->info)); 76728c2a645SAnirudh Venkataramanan /* VSI's should be allocated from shared pool */ 76828c2a645SAnirudh Venkataramanan ctxt->alloc_from_pool = true; 76928c2a645SAnirudh Venkataramanan /* Src pruning enabled by default */ 77028c2a645SAnirudh Venkataramanan ctxt->info.sw_flags = ICE_AQ_VSI_SW_FLAG_SRC_PRUNE; 77128c2a645SAnirudh Venkataramanan /* Traffic from VSI can be sent to LAN */ 77228c2a645SAnirudh Venkataramanan ctxt->info.sw_flags2 = ICE_AQ_VSI_SW_FLAG_LAN_ENA; 77328c2a645SAnirudh Venkataramanan /* By default bits 3 and 4 in vlan_flags are 0's which results in legacy 77428c2a645SAnirudh Venkataramanan * behavior (show VLAN, DEI, and UP) in descriptor. Also, allow all 77528c2a645SAnirudh Venkataramanan * packets untagged/tagged. 77628c2a645SAnirudh Venkataramanan */ 77728c2a645SAnirudh Venkataramanan ctxt->info.vlan_flags = ((ICE_AQ_VSI_VLAN_MODE_ALL & 77828c2a645SAnirudh Venkataramanan ICE_AQ_VSI_VLAN_MODE_M) >> 77928c2a645SAnirudh Venkataramanan ICE_AQ_VSI_VLAN_MODE_S); 78028c2a645SAnirudh Venkataramanan /* Have 1:1 UP mapping for both ingress/egress tables */ 78128c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(0, 0); 78228c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(1, 1); 78328c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(2, 2); 78428c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(3, 3); 78528c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(4, 4); 78628c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(5, 5); 78728c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(6, 6); 78828c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(7, 7); 78928c2a645SAnirudh Venkataramanan ctxt->info.ingress_table = cpu_to_le32(table); 79028c2a645SAnirudh Venkataramanan ctxt->info.egress_table = cpu_to_le32(table); 79128c2a645SAnirudh Venkataramanan /* Have 1:1 UP mapping for outer to inner UP table */ 79228c2a645SAnirudh Venkataramanan ctxt->info.outer_up_table = cpu_to_le32(table); 79328c2a645SAnirudh Venkataramanan /* No Outer tag support outer_tag_flags remains to zero */ 79428c2a645SAnirudh Venkataramanan } 79528c2a645SAnirudh Venkataramanan 79628c2a645SAnirudh Venkataramanan /** 79728c2a645SAnirudh Venkataramanan * ice_vsi_setup_q_map - Setup a VSI queue map 79828c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 79928c2a645SAnirudh Venkataramanan * @ctxt: VSI context structure 80028c2a645SAnirudh Venkataramanan */ 80128c2a645SAnirudh Venkataramanan static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) 80228c2a645SAnirudh Venkataramanan { 803c5a2a4a3SUsha Ketineni u16 offset = 0, qmap = 0, tx_count = 0; 80428c2a645SAnirudh Venkataramanan u16 qcount_tx = vsi->alloc_txq; 80528c2a645SAnirudh Venkataramanan u16 qcount_rx = vsi->alloc_rxq; 806c5a2a4a3SUsha Ketineni u16 tx_numq_tc, rx_numq_tc; 807c5a2a4a3SUsha Ketineni u16 pow = 0, max_rss = 0; 80828c2a645SAnirudh Venkataramanan bool ena_tc0 = false; 809c5a2a4a3SUsha Ketineni u8 netdev_tc = 0; 81028c2a645SAnirudh Venkataramanan int i; 81128c2a645SAnirudh Venkataramanan 81228c2a645SAnirudh Venkataramanan /* at least TC0 should be enabled by default */ 81328c2a645SAnirudh Venkataramanan if (vsi->tc_cfg.numtc) { 81428c2a645SAnirudh Venkataramanan if (!(vsi->tc_cfg.ena_tc & BIT(0))) 81528c2a645SAnirudh Venkataramanan ena_tc0 = true; 81628c2a645SAnirudh Venkataramanan } else { 81728c2a645SAnirudh Venkataramanan ena_tc0 = true; 81828c2a645SAnirudh Venkataramanan } 81928c2a645SAnirudh Venkataramanan 82028c2a645SAnirudh Venkataramanan if (ena_tc0) { 82128c2a645SAnirudh Venkataramanan vsi->tc_cfg.numtc++; 82228c2a645SAnirudh Venkataramanan vsi->tc_cfg.ena_tc |= 1; 82328c2a645SAnirudh Venkataramanan } 82428c2a645SAnirudh Venkataramanan 825c5a2a4a3SUsha Ketineni rx_numq_tc = qcount_rx / vsi->tc_cfg.numtc; 826c5a2a4a3SUsha Ketineni if (!rx_numq_tc) 827c5a2a4a3SUsha Ketineni rx_numq_tc = 1; 828c5a2a4a3SUsha Ketineni tx_numq_tc = qcount_tx / vsi->tc_cfg.numtc; 829c5a2a4a3SUsha Ketineni if (!tx_numq_tc) 830c5a2a4a3SUsha Ketineni tx_numq_tc = 1; 83128c2a645SAnirudh Venkataramanan 83228c2a645SAnirudh Venkataramanan /* TC mapping is a function of the number of Rx queues assigned to the 83328c2a645SAnirudh Venkataramanan * VSI for each traffic class and the offset of these queues. 83428c2a645SAnirudh Venkataramanan * The first 10 bits are for queue offset for TC0, next 4 bits for no:of 83528c2a645SAnirudh Venkataramanan * queues allocated to TC0. No:of queues is a power-of-2. 83628c2a645SAnirudh Venkataramanan * 83728c2a645SAnirudh Venkataramanan * If TC is not enabled, the queue offset is set to 0, and allocate one 83828c2a645SAnirudh Venkataramanan * queue, this way, traffic for the given TC will be sent to the default 83928c2a645SAnirudh Venkataramanan * queue. 84028c2a645SAnirudh Venkataramanan * 84128c2a645SAnirudh Venkataramanan * Setup number and offset of Rx queues for all TCs for the VSI 84228c2a645SAnirudh Venkataramanan */ 84328c2a645SAnirudh Venkataramanan 844c5a2a4a3SUsha Ketineni qcount_rx = rx_numq_tc; 845c5a2a4a3SUsha Ketineni 84628c2a645SAnirudh Venkataramanan /* qcount will change if RSS is enabled */ 84728c2a645SAnirudh Venkataramanan if (test_bit(ICE_FLAG_RSS_ENA, vsi->back->flags)) { 8488ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF || vsi->type == ICE_VSI_VF) { 84928c2a645SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) 85028c2a645SAnirudh Venkataramanan max_rss = ICE_MAX_LG_RSS_QS; 85128c2a645SAnirudh Venkataramanan else 85228c2a645SAnirudh Venkataramanan max_rss = ICE_MAX_SMALL_RSS_QS; 853c5a2a4a3SUsha Ketineni qcount_rx = min_t(int, rx_numq_tc, max_rss); 854c5a2a4a3SUsha Ketineni qcount_rx = min_t(int, qcount_rx, vsi->rss_size); 8558ede0178SAnirudh Venkataramanan } 85628c2a645SAnirudh Venkataramanan } 85728c2a645SAnirudh Venkataramanan 85828c2a645SAnirudh Venkataramanan /* find the (rounded up) power-of-2 of qcount */ 859c5a2a4a3SUsha Ketineni pow = order_base_2(qcount_rx); 86028c2a645SAnirudh Venkataramanan 8612bdc97beSBruce Allan ice_for_each_traffic_class(i) { 86228c2a645SAnirudh Venkataramanan if (!(vsi->tc_cfg.ena_tc & BIT(i))) { 86328c2a645SAnirudh Venkataramanan /* TC is not enabled */ 86428c2a645SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qoffset = 0; 865c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_rx = 1; 866c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_tx = 1; 867c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].netdev_tc = 0; 86828c2a645SAnirudh Venkataramanan ctxt->info.tc_mapping[i] = 0; 86928c2a645SAnirudh Venkataramanan continue; 87028c2a645SAnirudh Venkataramanan } 87128c2a645SAnirudh Venkataramanan 87228c2a645SAnirudh Venkataramanan /* TC is enabled */ 87328c2a645SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qoffset = offset; 874c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_rx = qcount_rx; 875c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_tx = tx_numq_tc; 876c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].netdev_tc = netdev_tc++; 87728c2a645SAnirudh Venkataramanan 87828c2a645SAnirudh Venkataramanan qmap = ((offset << ICE_AQ_VSI_TC_Q_OFFSET_S) & 87928c2a645SAnirudh Venkataramanan ICE_AQ_VSI_TC_Q_OFFSET_M) | 88028c2a645SAnirudh Venkataramanan ((pow << ICE_AQ_VSI_TC_Q_NUM_S) & 88128c2a645SAnirudh Venkataramanan ICE_AQ_VSI_TC_Q_NUM_M); 882c5a2a4a3SUsha Ketineni offset += qcount_rx; 883c5a2a4a3SUsha Ketineni tx_count += tx_numq_tc; 88428c2a645SAnirudh Venkataramanan ctxt->info.tc_mapping[i] = cpu_to_le16(qmap); 88528c2a645SAnirudh Venkataramanan } 88660dcc39eSKiran Patil 88760dcc39eSKiran Patil /* if offset is non-zero, means it is calculated correctly based on 88860dcc39eSKiran Patil * enabled TCs for a given VSI otherwise qcount_rx will always 88960dcc39eSKiran Patil * be correct and non-zero because it is based off - VSI's 89060dcc39eSKiran Patil * allocated Rx queues which is at least 1 (hence qcount_tx will be 89160dcc39eSKiran Patil * at least 1) 89260dcc39eSKiran Patil */ 89360dcc39eSKiran Patil if (offset) 89428c2a645SAnirudh Venkataramanan vsi->num_rxq = offset; 89560dcc39eSKiran Patil else 89660dcc39eSKiran Patil vsi->num_rxq = qcount_rx; 89760dcc39eSKiran Patil 898c5a2a4a3SUsha Ketineni vsi->num_txq = tx_count; 89928c2a645SAnirudh Venkataramanan 9008ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF && vsi->num_txq != vsi->num_rxq) { 9018ede0178SAnirudh Venkataramanan dev_dbg(&vsi->back->pdev->dev, "VF VSI should have same number of Tx and Rx queues. Hence making them equal\n"); 9028ede0178SAnirudh Venkataramanan /* since there is a chance that num_rxq could have been changed 9038ede0178SAnirudh Venkataramanan * in the above for loop, make num_txq equal to num_rxq. 9048ede0178SAnirudh Venkataramanan */ 9058ede0178SAnirudh Venkataramanan vsi->num_txq = vsi->num_rxq; 9068ede0178SAnirudh Venkataramanan } 9078ede0178SAnirudh Venkataramanan 90828c2a645SAnirudh Venkataramanan /* Rx queue mapping */ 90928c2a645SAnirudh Venkataramanan ctxt->info.mapping_flags |= cpu_to_le16(ICE_AQ_VSI_Q_MAP_CONTIG); 91028c2a645SAnirudh Venkataramanan /* q_mapping buffer holds the info for the first queue allocated for 91128c2a645SAnirudh Venkataramanan * this VSI in the PF space and also the number of queues associated 91228c2a645SAnirudh Venkataramanan * with this VSI. 91328c2a645SAnirudh Venkataramanan */ 91428c2a645SAnirudh Venkataramanan ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]); 91528c2a645SAnirudh Venkataramanan ctxt->info.q_mapping[1] = cpu_to_le16(vsi->num_rxq); 91628c2a645SAnirudh Venkataramanan } 91728c2a645SAnirudh Venkataramanan 91828c2a645SAnirudh Venkataramanan /** 91928c2a645SAnirudh Venkataramanan * ice_set_rss_vsi_ctx - Set RSS VSI context before adding a VSI 92028c2a645SAnirudh Venkataramanan * @ctxt: the VSI context being set 92128c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 92228c2a645SAnirudh Venkataramanan */ 92328c2a645SAnirudh Venkataramanan static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi) 92428c2a645SAnirudh Venkataramanan { 92528c2a645SAnirudh Venkataramanan u8 lut_type, hash_type; 92628c2a645SAnirudh Venkataramanan 92728c2a645SAnirudh Venkataramanan switch (vsi->type) { 92828c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 92928c2a645SAnirudh Venkataramanan /* PF VSI will inherit RSS instance of PF */ 93028c2a645SAnirudh Venkataramanan lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_PF; 93128c2a645SAnirudh Venkataramanan hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ; 93228c2a645SAnirudh Venkataramanan break; 9338ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 9348ede0178SAnirudh Venkataramanan /* VF VSI will gets a small RSS table which is a VSI LUT type */ 9358ede0178SAnirudh Venkataramanan lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI; 9368ede0178SAnirudh Venkataramanan hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ; 9378ede0178SAnirudh Venkataramanan break; 93828c2a645SAnirudh Venkataramanan default: 93928c2a645SAnirudh Venkataramanan dev_warn(&vsi->back->pdev->dev, "Unknown VSI type %d\n", 94028c2a645SAnirudh Venkataramanan vsi->type); 94128c2a645SAnirudh Venkataramanan return; 94228c2a645SAnirudh Venkataramanan } 94328c2a645SAnirudh Venkataramanan 94428c2a645SAnirudh Venkataramanan ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) & 94528c2a645SAnirudh Venkataramanan ICE_AQ_VSI_Q_OPT_RSS_LUT_M) | 94628c2a645SAnirudh Venkataramanan ((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) & 94728c2a645SAnirudh Venkataramanan ICE_AQ_VSI_Q_OPT_RSS_HASH_M); 94828c2a645SAnirudh Venkataramanan } 94928c2a645SAnirudh Venkataramanan 95028c2a645SAnirudh Venkataramanan /** 95128c2a645SAnirudh Venkataramanan * ice_vsi_init - Create and initialize a VSI 95228c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 95328c2a645SAnirudh Venkataramanan * 95428c2a645SAnirudh Venkataramanan * This initializes a VSI context depending on the VSI type to be added and 95528c2a645SAnirudh Venkataramanan * passes it down to the add_vsi aq command to create a new VSI. 95628c2a645SAnirudh Venkataramanan */ 95737bb8390SAnirudh Venkataramanan static int ice_vsi_init(struct ice_vsi *vsi) 95828c2a645SAnirudh Venkataramanan { 95928c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 96028c2a645SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 961198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 96228c2a645SAnirudh Venkataramanan int ret = 0; 96328c2a645SAnirudh Venkataramanan 964198a666aSBruce Allan ctxt = devm_kzalloc(&pf->pdev->dev, sizeof(*ctxt), GFP_KERNEL); 965198a666aSBruce Allan if (!ctxt) 966198a666aSBruce Allan return -ENOMEM; 967198a666aSBruce Allan 968cb93a952SAkeem G Abodunrin ctxt->info = vsi->info; 96928c2a645SAnirudh Venkataramanan switch (vsi->type) { 97028c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 971198a666aSBruce Allan ctxt->flags = ICE_AQ_VSI_TYPE_PF; 97228c2a645SAnirudh Venkataramanan break; 9738ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 974198a666aSBruce Allan ctxt->flags = ICE_AQ_VSI_TYPE_VF; 9758ede0178SAnirudh Venkataramanan /* VF number here is the absolute VF number (0-255) */ 976198a666aSBruce Allan ctxt->vf_num = vsi->vf_id + hw->func_caps.vf_base_id; 9778ede0178SAnirudh Venkataramanan break; 97828c2a645SAnirudh Venkataramanan default: 97928c2a645SAnirudh Venkataramanan return -ENODEV; 98028c2a645SAnirudh Venkataramanan } 98128c2a645SAnirudh Venkataramanan 982198a666aSBruce Allan ice_set_dflt_vsi_ctx(ctxt); 98328c2a645SAnirudh Venkataramanan /* if the switch is in VEB mode, allow VSI loopback */ 98428c2a645SAnirudh Venkataramanan if (vsi->vsw->bridge_mode == BRIDGE_MODE_VEB) 985198a666aSBruce Allan ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB; 98628c2a645SAnirudh Venkataramanan 98728c2a645SAnirudh Venkataramanan /* Set LUT type and HASH type if RSS is enabled */ 98828c2a645SAnirudh Venkataramanan if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 989198a666aSBruce Allan ice_set_rss_vsi_ctx(ctxt, vsi); 99028c2a645SAnirudh Venkataramanan 991198a666aSBruce Allan ctxt->info.sw_id = vsi->port_info->sw_id; 992198a666aSBruce Allan ice_vsi_setup_q_map(vsi, ctxt); 99328c2a645SAnirudh Venkataramanan 994cb93a952SAkeem G Abodunrin /* Enable MAC Antispoof with new VSI being initialized or updated */ 995cb93a952SAkeem G Abodunrin if (vsi->type == ICE_VSI_VF && pf->vf[vsi->vf_id].spoofchk) { 996cb93a952SAkeem G Abodunrin ctxt->info.valid_sections |= 997cb93a952SAkeem G Abodunrin cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); 998cb93a952SAkeem G Abodunrin ctxt->info.sec_flags |= 999cb93a952SAkeem G Abodunrin ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF; 1000cb93a952SAkeem G Abodunrin } 1001cb93a952SAkeem G Abodunrin 1002198a666aSBruce Allan ret = ice_add_vsi(hw, vsi->idx, ctxt, NULL); 100328c2a645SAnirudh Venkataramanan if (ret) { 100428c2a645SAnirudh Venkataramanan dev_err(&pf->pdev->dev, 100528c2a645SAnirudh Venkataramanan "Add VSI failed, err %d\n", ret); 100628c2a645SAnirudh Venkataramanan return -EIO; 100728c2a645SAnirudh Venkataramanan } 100828c2a645SAnirudh Venkataramanan 100928c2a645SAnirudh Venkataramanan /* keep context for update VSI operations */ 1010198a666aSBruce Allan vsi->info = ctxt->info; 101128c2a645SAnirudh Venkataramanan 101228c2a645SAnirudh Venkataramanan /* record VSI number returned */ 1013198a666aSBruce Allan vsi->vsi_num = ctxt->vsi_num; 101428c2a645SAnirudh Venkataramanan 1015198a666aSBruce Allan devm_kfree(&pf->pdev->dev, ctxt); 101628c2a645SAnirudh Venkataramanan return ret; 101728c2a645SAnirudh Venkataramanan } 101828c2a645SAnirudh Venkataramanan 101928c2a645SAnirudh Venkataramanan /** 1020df0f8479SAnirudh Venkataramanan * ice_free_q_vector - Free memory allocated for a specific interrupt vector 1021df0f8479SAnirudh Venkataramanan * @vsi: VSI having the memory freed 1022df0f8479SAnirudh Venkataramanan * @v_idx: index of the vector to be freed 1023df0f8479SAnirudh Venkataramanan */ 1024df0f8479SAnirudh Venkataramanan static void ice_free_q_vector(struct ice_vsi *vsi, int v_idx) 1025df0f8479SAnirudh Venkataramanan { 1026df0f8479SAnirudh Venkataramanan struct ice_q_vector *q_vector; 1027df0f8479SAnirudh Venkataramanan struct ice_ring *ring; 1028df0f8479SAnirudh Venkataramanan 1029df0f8479SAnirudh Venkataramanan if (!vsi->q_vectors[v_idx]) { 1030df0f8479SAnirudh Venkataramanan dev_dbg(&vsi->back->pdev->dev, "Queue vector at index %d not found\n", 1031df0f8479SAnirudh Venkataramanan v_idx); 1032df0f8479SAnirudh Venkataramanan return; 1033df0f8479SAnirudh Venkataramanan } 1034df0f8479SAnirudh Venkataramanan q_vector = vsi->q_vectors[v_idx]; 1035df0f8479SAnirudh Venkataramanan 1036df0f8479SAnirudh Venkataramanan ice_for_each_ring(ring, q_vector->tx) 1037df0f8479SAnirudh Venkataramanan ring->q_vector = NULL; 1038df0f8479SAnirudh Venkataramanan ice_for_each_ring(ring, q_vector->rx) 1039df0f8479SAnirudh Venkataramanan ring->q_vector = NULL; 1040df0f8479SAnirudh Venkataramanan 1041df0f8479SAnirudh Venkataramanan /* only VSI with an associated netdev is set up with NAPI */ 1042df0f8479SAnirudh Venkataramanan if (vsi->netdev) 1043df0f8479SAnirudh Venkataramanan netif_napi_del(&q_vector->napi); 1044df0f8479SAnirudh Venkataramanan 1045df0f8479SAnirudh Venkataramanan devm_kfree(&vsi->back->pdev->dev, q_vector); 1046df0f8479SAnirudh Venkataramanan vsi->q_vectors[v_idx] = NULL; 1047df0f8479SAnirudh Venkataramanan } 1048df0f8479SAnirudh Venkataramanan 1049df0f8479SAnirudh Venkataramanan /** 1050df0f8479SAnirudh Venkataramanan * ice_vsi_free_q_vectors - Free memory allocated for interrupt vectors 1051df0f8479SAnirudh Venkataramanan * @vsi: the VSI having memory freed 1052df0f8479SAnirudh Venkataramanan */ 1053df0f8479SAnirudh Venkataramanan void ice_vsi_free_q_vectors(struct ice_vsi *vsi) 1054df0f8479SAnirudh Venkataramanan { 1055df0f8479SAnirudh Venkataramanan int v_idx; 1056df0f8479SAnirudh Venkataramanan 1057df0f8479SAnirudh Venkataramanan for (v_idx = 0; v_idx < vsi->num_q_vectors; v_idx++) 1058df0f8479SAnirudh Venkataramanan ice_free_q_vector(vsi, v_idx); 1059df0f8479SAnirudh Venkataramanan } 1060df0f8479SAnirudh Venkataramanan 1061df0f8479SAnirudh Venkataramanan /** 1062df0f8479SAnirudh Venkataramanan * ice_vsi_alloc_q_vector - Allocate memory for a single interrupt vector 1063df0f8479SAnirudh Venkataramanan * @vsi: the VSI being configured 1064df0f8479SAnirudh Venkataramanan * @v_idx: index of the vector in the VSI struct 1065df0f8479SAnirudh Venkataramanan * 1066df0f8479SAnirudh Venkataramanan * We allocate one q_vector. If allocation fails we return -ENOMEM. 1067df0f8479SAnirudh Venkataramanan */ 1068df0f8479SAnirudh Venkataramanan static int ice_vsi_alloc_q_vector(struct ice_vsi *vsi, int v_idx) 1069df0f8479SAnirudh Venkataramanan { 1070df0f8479SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 1071df0f8479SAnirudh Venkataramanan struct ice_q_vector *q_vector; 1072df0f8479SAnirudh Venkataramanan 1073df0f8479SAnirudh Venkataramanan /* allocate q_vector */ 1074df0f8479SAnirudh Venkataramanan q_vector = devm_kzalloc(&pf->pdev->dev, sizeof(*q_vector), GFP_KERNEL); 1075df0f8479SAnirudh Venkataramanan if (!q_vector) 1076df0f8479SAnirudh Venkataramanan return -ENOMEM; 1077df0f8479SAnirudh Venkataramanan 1078df0f8479SAnirudh Venkataramanan q_vector->vsi = vsi; 1079df0f8479SAnirudh Venkataramanan q_vector->v_idx = v_idx; 10808ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 10818ede0178SAnirudh Venkataramanan goto out; 1082df0f8479SAnirudh Venkataramanan /* only set affinity_mask if the CPU is online */ 1083df0f8479SAnirudh Venkataramanan if (cpu_online(v_idx)) 1084df0f8479SAnirudh Venkataramanan cpumask_set_cpu(v_idx, &q_vector->affinity_mask); 1085df0f8479SAnirudh Venkataramanan 1086df0f8479SAnirudh Venkataramanan /* This will not be called in the driver load path because the netdev 1087df0f8479SAnirudh Venkataramanan * will not be created yet. All other cases with register the NAPI 1088df0f8479SAnirudh Venkataramanan * handler here (i.e. resume, reset/rebuild, etc.) 1089df0f8479SAnirudh Venkataramanan */ 1090df0f8479SAnirudh Venkataramanan if (vsi->netdev) 1091df0f8479SAnirudh Venkataramanan netif_napi_add(vsi->netdev, &q_vector->napi, ice_napi_poll, 1092df0f8479SAnirudh Venkataramanan NAPI_POLL_WEIGHT); 1093df0f8479SAnirudh Venkataramanan 10948ede0178SAnirudh Venkataramanan out: 1095df0f8479SAnirudh Venkataramanan /* tie q_vector and VSI together */ 1096df0f8479SAnirudh Venkataramanan vsi->q_vectors[v_idx] = q_vector; 1097df0f8479SAnirudh Venkataramanan 1098df0f8479SAnirudh Venkataramanan return 0; 1099df0f8479SAnirudh Venkataramanan } 1100df0f8479SAnirudh Venkataramanan 1101df0f8479SAnirudh Venkataramanan /** 1102df0f8479SAnirudh Venkataramanan * ice_vsi_alloc_q_vectors - Allocate memory for interrupt vectors 1103df0f8479SAnirudh Venkataramanan * @vsi: the VSI being configured 1104df0f8479SAnirudh Venkataramanan * 1105df0f8479SAnirudh Venkataramanan * We allocate one q_vector per queue interrupt. If allocation fails we 1106df0f8479SAnirudh Venkataramanan * return -ENOMEM. 1107df0f8479SAnirudh Venkataramanan */ 110837bb8390SAnirudh Venkataramanan static int ice_vsi_alloc_q_vectors(struct ice_vsi *vsi) 1109df0f8479SAnirudh Venkataramanan { 1110df0f8479SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 1111df0f8479SAnirudh Venkataramanan int v_idx = 0, num_q_vectors; 1112df0f8479SAnirudh Venkataramanan int err; 1113df0f8479SAnirudh Venkataramanan 1114df0f8479SAnirudh Venkataramanan if (vsi->q_vectors[0]) { 1115df0f8479SAnirudh Venkataramanan dev_dbg(&pf->pdev->dev, "VSI %d has existing q_vectors\n", 1116df0f8479SAnirudh Venkataramanan vsi->vsi_num); 1117df0f8479SAnirudh Venkataramanan return -EEXIST; 1118df0f8479SAnirudh Venkataramanan } 1119df0f8479SAnirudh Venkataramanan 1120df0f8479SAnirudh Venkataramanan if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) { 1121df0f8479SAnirudh Venkataramanan num_q_vectors = vsi->num_q_vectors; 1122df0f8479SAnirudh Venkataramanan } else { 1123df0f8479SAnirudh Venkataramanan err = -EINVAL; 1124df0f8479SAnirudh Venkataramanan goto err_out; 1125df0f8479SAnirudh Venkataramanan } 1126df0f8479SAnirudh Venkataramanan 1127df0f8479SAnirudh Venkataramanan for (v_idx = 0; v_idx < num_q_vectors; v_idx++) { 1128df0f8479SAnirudh Venkataramanan err = ice_vsi_alloc_q_vector(vsi, v_idx); 1129df0f8479SAnirudh Venkataramanan if (err) 1130df0f8479SAnirudh Venkataramanan goto err_out; 1131df0f8479SAnirudh Venkataramanan } 1132df0f8479SAnirudh Venkataramanan 1133df0f8479SAnirudh Venkataramanan return 0; 1134df0f8479SAnirudh Venkataramanan 1135df0f8479SAnirudh Venkataramanan err_out: 1136df0f8479SAnirudh Venkataramanan while (v_idx--) 1137df0f8479SAnirudh Venkataramanan ice_free_q_vector(vsi, v_idx); 1138df0f8479SAnirudh Venkataramanan 1139df0f8479SAnirudh Venkataramanan dev_err(&pf->pdev->dev, 1140df0f8479SAnirudh Venkataramanan "Failed to allocate %d q_vector for VSI %d, ret=%d\n", 1141df0f8479SAnirudh Venkataramanan vsi->num_q_vectors, vsi->vsi_num, err); 1142df0f8479SAnirudh Venkataramanan vsi->num_q_vectors = 0; 1143df0f8479SAnirudh Venkataramanan return err; 1144df0f8479SAnirudh Venkataramanan } 1145df0f8479SAnirudh Venkataramanan 1146df0f8479SAnirudh Venkataramanan /** 1147df0f8479SAnirudh Venkataramanan * ice_vsi_setup_vector_base - Set up the base vector for the given VSI 1148df0f8479SAnirudh Venkataramanan * @vsi: ptr to the VSI 1149df0f8479SAnirudh Venkataramanan * 1150df0f8479SAnirudh Venkataramanan * This should only be called after ice_vsi_alloc() which allocates the 1151df0f8479SAnirudh Venkataramanan * corresponding SW VSI structure and initializes num_queue_pairs for the 1152df0f8479SAnirudh Venkataramanan * newly allocated VSI. 1153df0f8479SAnirudh Venkataramanan * 1154df0f8479SAnirudh Venkataramanan * Returns 0 on success or negative on failure 1155df0f8479SAnirudh Venkataramanan */ 115637bb8390SAnirudh Venkataramanan static int ice_vsi_setup_vector_base(struct ice_vsi *vsi) 1157df0f8479SAnirudh Venkataramanan { 1158df0f8479SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 1159df0f8479SAnirudh Venkataramanan int num_q_vectors = 0; 1160df0f8479SAnirudh Venkataramanan 1161eb0208ecSPreethi Banala if (vsi->sw_base_vector || vsi->hw_base_vector) { 1162eb0208ecSPreethi Banala dev_dbg(&pf->pdev->dev, "VSI %d has non-zero HW base vector %d or SW base vector %d\n", 1163eb0208ecSPreethi Banala vsi->vsi_num, vsi->hw_base_vector, vsi->sw_base_vector); 1164df0f8479SAnirudh Venkataramanan return -EEXIST; 1165df0f8479SAnirudh Venkataramanan } 1166df0f8479SAnirudh Venkataramanan 1167df0f8479SAnirudh Venkataramanan if (!test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) 1168df0f8479SAnirudh Venkataramanan return -ENOENT; 1169df0f8479SAnirudh Venkataramanan 1170df0f8479SAnirudh Venkataramanan switch (vsi->type) { 1171df0f8479SAnirudh Venkataramanan case ICE_VSI_PF: 1172df0f8479SAnirudh Venkataramanan num_q_vectors = vsi->num_q_vectors; 1173eb0208ecSPreethi Banala /* reserve slots from OS requested IRQs */ 1174eb0208ecSPreethi Banala vsi->sw_base_vector = ice_get_res(pf, pf->sw_irq_tracker, 1175eb0208ecSPreethi Banala num_q_vectors, vsi->idx); 1176eb0208ecSPreethi Banala if (vsi->sw_base_vector < 0) { 1177eb0208ecSPreethi Banala dev_err(&pf->pdev->dev, 1178eb0208ecSPreethi Banala "Failed to get tracking for %d SW vectors for VSI %d, err=%d\n", 1179eb0208ecSPreethi Banala num_q_vectors, vsi->vsi_num, 1180eb0208ecSPreethi Banala vsi->sw_base_vector); 1181eb0208ecSPreethi Banala return -ENOENT; 1182eb0208ecSPreethi Banala } 1183eb0208ecSPreethi Banala pf->num_avail_sw_msix -= num_q_vectors; 1184eb0208ecSPreethi Banala 1185eb0208ecSPreethi Banala /* reserve slots from HW interrupts */ 1186eb0208ecSPreethi Banala vsi->hw_base_vector = ice_get_res(pf, pf->hw_irq_tracker, 1187eb0208ecSPreethi Banala num_q_vectors, vsi->idx); 1188df0f8479SAnirudh Venkataramanan break; 11898ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 11908ede0178SAnirudh Venkataramanan /* take VF misc vector and data vectors into account */ 11918ede0178SAnirudh Venkataramanan num_q_vectors = pf->num_vf_msix; 11928ede0178SAnirudh Venkataramanan /* For VF VSI, reserve slots only from HW interrupts */ 11938ede0178SAnirudh Venkataramanan vsi->hw_base_vector = ice_get_res(pf, pf->hw_irq_tracker, 11948ede0178SAnirudh Venkataramanan num_q_vectors, vsi->idx); 11958ede0178SAnirudh Venkataramanan break; 1196df0f8479SAnirudh Venkataramanan default: 1197df0f8479SAnirudh Venkataramanan dev_warn(&vsi->back->pdev->dev, "Unknown VSI type %d\n", 1198df0f8479SAnirudh Venkataramanan vsi->type); 1199df0f8479SAnirudh Venkataramanan break; 1200df0f8479SAnirudh Venkataramanan } 1201df0f8479SAnirudh Venkataramanan 1202eb0208ecSPreethi Banala if (vsi->hw_base_vector < 0) { 1203df0f8479SAnirudh Venkataramanan dev_err(&pf->pdev->dev, 1204eb0208ecSPreethi Banala "Failed to get tracking for %d HW vectors for VSI %d, err=%d\n", 1205eb0208ecSPreethi Banala num_q_vectors, vsi->vsi_num, vsi->hw_base_vector); 12068ede0178SAnirudh Venkataramanan if (vsi->type != ICE_VSI_VF) { 12078ede0178SAnirudh Venkataramanan ice_free_res(vsi->back->sw_irq_tracker, 12088ede0178SAnirudh Venkataramanan vsi->sw_base_vector, vsi->idx); 1209eb0208ecSPreethi Banala pf->num_avail_sw_msix += num_q_vectors; 12108ede0178SAnirudh Venkataramanan } 1211df0f8479SAnirudh Venkataramanan return -ENOENT; 1212df0f8479SAnirudh Venkataramanan } 1213df0f8479SAnirudh Venkataramanan 1214eb0208ecSPreethi Banala pf->num_avail_hw_msix -= num_q_vectors; 1215eb0208ecSPreethi Banala 1216df0f8479SAnirudh Venkataramanan return 0; 1217df0f8479SAnirudh Venkataramanan } 1218df0f8479SAnirudh Venkataramanan 1219df0f8479SAnirudh Venkataramanan /** 122028c2a645SAnirudh Venkataramanan * ice_vsi_clear_rings - Deallocates the Tx and Rx rings for VSI 122128c2a645SAnirudh Venkataramanan * @vsi: the VSI having rings deallocated 122228c2a645SAnirudh Venkataramanan */ 1223df0f8479SAnirudh Venkataramanan static void ice_vsi_clear_rings(struct ice_vsi *vsi) 122428c2a645SAnirudh Venkataramanan { 122528c2a645SAnirudh Venkataramanan int i; 122628c2a645SAnirudh Venkataramanan 122728c2a645SAnirudh Venkataramanan if (vsi->tx_rings) { 122828c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 122928c2a645SAnirudh Venkataramanan if (vsi->tx_rings[i]) { 123028c2a645SAnirudh Venkataramanan kfree_rcu(vsi->tx_rings[i], rcu); 123128c2a645SAnirudh Venkataramanan vsi->tx_rings[i] = NULL; 123228c2a645SAnirudh Venkataramanan } 123328c2a645SAnirudh Venkataramanan } 123428c2a645SAnirudh Venkataramanan } 123528c2a645SAnirudh Venkataramanan if (vsi->rx_rings) { 123628c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 123728c2a645SAnirudh Venkataramanan if (vsi->rx_rings[i]) { 123828c2a645SAnirudh Venkataramanan kfree_rcu(vsi->rx_rings[i], rcu); 123928c2a645SAnirudh Venkataramanan vsi->rx_rings[i] = NULL; 124028c2a645SAnirudh Venkataramanan } 124128c2a645SAnirudh Venkataramanan } 124228c2a645SAnirudh Venkataramanan } 124328c2a645SAnirudh Venkataramanan } 124428c2a645SAnirudh Venkataramanan 124528c2a645SAnirudh Venkataramanan /** 124628c2a645SAnirudh Venkataramanan * ice_vsi_alloc_rings - Allocates Tx and Rx rings for the VSI 124728c2a645SAnirudh Venkataramanan * @vsi: VSI which is having rings allocated 124828c2a645SAnirudh Venkataramanan */ 124937bb8390SAnirudh Venkataramanan static int ice_vsi_alloc_rings(struct ice_vsi *vsi) 125028c2a645SAnirudh Venkataramanan { 125128c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 125228c2a645SAnirudh Venkataramanan int i; 125328c2a645SAnirudh Venkataramanan 1254d337f2afSAnirudh Venkataramanan /* Allocate Tx rings */ 125528c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 125628c2a645SAnirudh Venkataramanan struct ice_ring *ring; 125728c2a645SAnirudh Venkataramanan 125828c2a645SAnirudh Venkataramanan /* allocate with kzalloc(), free with kfree_rcu() */ 125928c2a645SAnirudh Venkataramanan ring = kzalloc(sizeof(*ring), GFP_KERNEL); 126028c2a645SAnirudh Venkataramanan 126128c2a645SAnirudh Venkataramanan if (!ring) 126228c2a645SAnirudh Venkataramanan goto err_out; 126328c2a645SAnirudh Venkataramanan 126428c2a645SAnirudh Venkataramanan ring->q_index = i; 126528c2a645SAnirudh Venkataramanan ring->reg_idx = vsi->txq_map[i]; 126628c2a645SAnirudh Venkataramanan ring->ring_active = false; 126728c2a645SAnirudh Venkataramanan ring->vsi = vsi; 126828c2a645SAnirudh Venkataramanan ring->dev = &pf->pdev->dev; 1269ad71b256SBrett Creeley ring->count = vsi->num_tx_desc; 127028c2a645SAnirudh Venkataramanan vsi->tx_rings[i] = ring; 127128c2a645SAnirudh Venkataramanan } 127228c2a645SAnirudh Venkataramanan 1273d337f2afSAnirudh Venkataramanan /* Allocate Rx rings */ 127428c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 127528c2a645SAnirudh Venkataramanan struct ice_ring *ring; 127628c2a645SAnirudh Venkataramanan 127728c2a645SAnirudh Venkataramanan /* allocate with kzalloc(), free with kfree_rcu() */ 127828c2a645SAnirudh Venkataramanan ring = kzalloc(sizeof(*ring), GFP_KERNEL); 127928c2a645SAnirudh Venkataramanan if (!ring) 128028c2a645SAnirudh Venkataramanan goto err_out; 128128c2a645SAnirudh Venkataramanan 128228c2a645SAnirudh Venkataramanan ring->q_index = i; 128328c2a645SAnirudh Venkataramanan ring->reg_idx = vsi->rxq_map[i]; 128428c2a645SAnirudh Venkataramanan ring->ring_active = false; 128528c2a645SAnirudh Venkataramanan ring->vsi = vsi; 128628c2a645SAnirudh Venkataramanan ring->netdev = vsi->netdev; 128728c2a645SAnirudh Venkataramanan ring->dev = &pf->pdev->dev; 1288ad71b256SBrett Creeley ring->count = vsi->num_rx_desc; 128928c2a645SAnirudh Venkataramanan vsi->rx_rings[i] = ring; 129028c2a645SAnirudh Venkataramanan } 129128c2a645SAnirudh Venkataramanan 129228c2a645SAnirudh Venkataramanan return 0; 129328c2a645SAnirudh Venkataramanan 129428c2a645SAnirudh Venkataramanan err_out: 129528c2a645SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 129628c2a645SAnirudh Venkataramanan return -ENOMEM; 129728c2a645SAnirudh Venkataramanan } 129828c2a645SAnirudh Venkataramanan 129928c2a645SAnirudh Venkataramanan /** 130007309a0eSAnirudh Venkataramanan * ice_vsi_map_rings_to_vectors - Map VSI rings to interrupt vectors 130107309a0eSAnirudh Venkataramanan * @vsi: the VSI being configured 130207309a0eSAnirudh Venkataramanan * 130307309a0eSAnirudh Venkataramanan * This function maps descriptor rings to the queue-specific vectors allotted 130407309a0eSAnirudh Venkataramanan * through the MSI-X enabling code. On a constrained vector budget, we map Tx 130507309a0eSAnirudh Venkataramanan * and Rx rings to the vector as "efficiently" as possible. 130607309a0eSAnirudh Venkataramanan */ 13077b9ffc76SAnirudh Venkataramanan #ifdef CONFIG_DCB 13087b9ffc76SAnirudh Venkataramanan void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi) 13097b9ffc76SAnirudh Venkataramanan #else 131037bb8390SAnirudh Venkataramanan static void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi) 13117b9ffc76SAnirudh Venkataramanan #endif /* CONFIG_DCB */ 131207309a0eSAnirudh Venkataramanan { 131307309a0eSAnirudh Venkataramanan int q_vectors = vsi->num_q_vectors; 131407309a0eSAnirudh Venkataramanan int tx_rings_rem, rx_rings_rem; 131507309a0eSAnirudh Venkataramanan int v_id; 131607309a0eSAnirudh Venkataramanan 131707309a0eSAnirudh Venkataramanan /* initially assigning remaining rings count to VSIs num queue value */ 131807309a0eSAnirudh Venkataramanan tx_rings_rem = vsi->num_txq; 131907309a0eSAnirudh Venkataramanan rx_rings_rem = vsi->num_rxq; 132007309a0eSAnirudh Venkataramanan 132107309a0eSAnirudh Venkataramanan for (v_id = 0; v_id < q_vectors; v_id++) { 132207309a0eSAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[v_id]; 132307309a0eSAnirudh Venkataramanan int tx_rings_per_v, rx_rings_per_v, q_id, q_base; 132407309a0eSAnirudh Venkataramanan 132507309a0eSAnirudh Venkataramanan /* Tx rings mapping to vector */ 132607309a0eSAnirudh Venkataramanan tx_rings_per_v = DIV_ROUND_UP(tx_rings_rem, q_vectors - v_id); 132707309a0eSAnirudh Venkataramanan q_vector->num_ring_tx = tx_rings_per_v; 132807309a0eSAnirudh Venkataramanan q_vector->tx.ring = NULL; 1329d2b464a7SBrett Creeley q_vector->tx.itr_idx = ICE_TX_ITR; 133007309a0eSAnirudh Venkataramanan q_base = vsi->num_txq - tx_rings_rem; 133107309a0eSAnirudh Venkataramanan 133207309a0eSAnirudh Venkataramanan for (q_id = q_base; q_id < (q_base + tx_rings_per_v); q_id++) { 133307309a0eSAnirudh Venkataramanan struct ice_ring *tx_ring = vsi->tx_rings[q_id]; 133407309a0eSAnirudh Venkataramanan 133507309a0eSAnirudh Venkataramanan tx_ring->q_vector = q_vector; 133607309a0eSAnirudh Venkataramanan tx_ring->next = q_vector->tx.ring; 133707309a0eSAnirudh Venkataramanan q_vector->tx.ring = tx_ring; 133807309a0eSAnirudh Venkataramanan } 133907309a0eSAnirudh Venkataramanan tx_rings_rem -= tx_rings_per_v; 134007309a0eSAnirudh Venkataramanan 134107309a0eSAnirudh Venkataramanan /* Rx rings mapping to vector */ 134207309a0eSAnirudh Venkataramanan rx_rings_per_v = DIV_ROUND_UP(rx_rings_rem, q_vectors - v_id); 134307309a0eSAnirudh Venkataramanan q_vector->num_ring_rx = rx_rings_per_v; 134407309a0eSAnirudh Venkataramanan q_vector->rx.ring = NULL; 1345d2b464a7SBrett Creeley q_vector->rx.itr_idx = ICE_RX_ITR; 134607309a0eSAnirudh Venkataramanan q_base = vsi->num_rxq - rx_rings_rem; 134707309a0eSAnirudh Venkataramanan 134807309a0eSAnirudh Venkataramanan for (q_id = q_base; q_id < (q_base + rx_rings_per_v); q_id++) { 134907309a0eSAnirudh Venkataramanan struct ice_ring *rx_ring = vsi->rx_rings[q_id]; 135007309a0eSAnirudh Venkataramanan 135107309a0eSAnirudh Venkataramanan rx_ring->q_vector = q_vector; 135207309a0eSAnirudh Venkataramanan rx_ring->next = q_vector->rx.ring; 135307309a0eSAnirudh Venkataramanan q_vector->rx.ring = rx_ring; 135407309a0eSAnirudh Venkataramanan } 135507309a0eSAnirudh Venkataramanan rx_rings_rem -= rx_rings_per_v; 135607309a0eSAnirudh Venkataramanan } 135707309a0eSAnirudh Venkataramanan } 135807309a0eSAnirudh Venkataramanan 135907309a0eSAnirudh Venkataramanan /** 1360492af0abSMd Fahad Iqbal Polash * ice_vsi_manage_rss_lut - disable/enable RSS 1361492af0abSMd Fahad Iqbal Polash * @vsi: the VSI being changed 1362492af0abSMd Fahad Iqbal Polash * @ena: boolean value indicating if this is an enable or disable request 1363492af0abSMd Fahad Iqbal Polash * 1364492af0abSMd Fahad Iqbal Polash * In the event of disable request for RSS, this function will zero out RSS 1365492af0abSMd Fahad Iqbal Polash * LUT, while in the event of enable request for RSS, it will reconfigure RSS 1366492af0abSMd Fahad Iqbal Polash * LUT. 1367492af0abSMd Fahad Iqbal Polash */ 1368492af0abSMd Fahad Iqbal Polash int ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena) 1369492af0abSMd Fahad Iqbal Polash { 1370492af0abSMd Fahad Iqbal Polash int err = 0; 1371492af0abSMd Fahad Iqbal Polash u8 *lut; 1372492af0abSMd Fahad Iqbal Polash 1373492af0abSMd Fahad Iqbal Polash lut = devm_kzalloc(&vsi->back->pdev->dev, vsi->rss_table_size, 1374492af0abSMd Fahad Iqbal Polash GFP_KERNEL); 1375492af0abSMd Fahad Iqbal Polash if (!lut) 1376492af0abSMd Fahad Iqbal Polash return -ENOMEM; 1377492af0abSMd Fahad Iqbal Polash 1378492af0abSMd Fahad Iqbal Polash if (ena) { 1379492af0abSMd Fahad Iqbal Polash if (vsi->rss_lut_user) 1380492af0abSMd Fahad Iqbal Polash memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size); 1381492af0abSMd Fahad Iqbal Polash else 1382492af0abSMd Fahad Iqbal Polash ice_fill_rss_lut(lut, vsi->rss_table_size, 1383492af0abSMd Fahad Iqbal Polash vsi->rss_size); 1384492af0abSMd Fahad Iqbal Polash } 1385492af0abSMd Fahad Iqbal Polash 1386492af0abSMd Fahad Iqbal Polash err = ice_set_rss(vsi, NULL, lut, vsi->rss_table_size); 1387492af0abSMd Fahad Iqbal Polash devm_kfree(&vsi->back->pdev->dev, lut); 1388492af0abSMd Fahad Iqbal Polash return err; 1389492af0abSMd Fahad Iqbal Polash } 1390492af0abSMd Fahad Iqbal Polash 1391492af0abSMd Fahad Iqbal Polash /** 139237bb8390SAnirudh Venkataramanan * ice_vsi_cfg_rss_lut_key - Configure RSS params for a VSI 139337bb8390SAnirudh Venkataramanan * @vsi: VSI to be configured 139437bb8390SAnirudh Venkataramanan */ 139537bb8390SAnirudh Venkataramanan static int ice_vsi_cfg_rss_lut_key(struct ice_vsi *vsi) 139637bb8390SAnirudh Venkataramanan { 139737bb8390SAnirudh Venkataramanan u8 seed[ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE]; 139837bb8390SAnirudh Venkataramanan struct ice_aqc_get_set_rss_keys *key; 139937bb8390SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 140037bb8390SAnirudh Venkataramanan enum ice_status status; 140137bb8390SAnirudh Venkataramanan int err = 0; 140237bb8390SAnirudh Venkataramanan u8 *lut; 140337bb8390SAnirudh Venkataramanan 140437bb8390SAnirudh Venkataramanan vsi->rss_size = min_t(int, vsi->rss_size, vsi->num_rxq); 140537bb8390SAnirudh Venkataramanan 140637bb8390SAnirudh Venkataramanan lut = devm_kzalloc(&pf->pdev->dev, vsi->rss_table_size, GFP_KERNEL); 140737bb8390SAnirudh Venkataramanan if (!lut) 140837bb8390SAnirudh Venkataramanan return -ENOMEM; 140937bb8390SAnirudh Venkataramanan 141037bb8390SAnirudh Venkataramanan if (vsi->rss_lut_user) 141137bb8390SAnirudh Venkataramanan memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size); 141237bb8390SAnirudh Venkataramanan else 141337bb8390SAnirudh Venkataramanan ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 141437bb8390SAnirudh Venkataramanan 14154fb33f31SAnirudh Venkataramanan status = ice_aq_set_rss_lut(&pf->hw, vsi->idx, vsi->rss_lut_type, lut, 14164fb33f31SAnirudh Venkataramanan vsi->rss_table_size); 141737bb8390SAnirudh Venkataramanan 141837bb8390SAnirudh Venkataramanan if (status) { 141937bb8390SAnirudh Venkataramanan dev_err(&vsi->back->pdev->dev, 142037bb8390SAnirudh Venkataramanan "set_rss_lut failed, error %d\n", status); 142137bb8390SAnirudh Venkataramanan err = -EIO; 142237bb8390SAnirudh Venkataramanan goto ice_vsi_cfg_rss_exit; 142337bb8390SAnirudh Venkataramanan } 142437bb8390SAnirudh Venkataramanan 142537bb8390SAnirudh Venkataramanan key = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*key), GFP_KERNEL); 142637bb8390SAnirudh Venkataramanan if (!key) { 142737bb8390SAnirudh Venkataramanan err = -ENOMEM; 142837bb8390SAnirudh Venkataramanan goto ice_vsi_cfg_rss_exit; 142937bb8390SAnirudh Venkataramanan } 143037bb8390SAnirudh Venkataramanan 143137bb8390SAnirudh Venkataramanan if (vsi->rss_hkey_user) 143237bb8390SAnirudh Venkataramanan memcpy(seed, vsi->rss_hkey_user, 143337bb8390SAnirudh Venkataramanan ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE); 143437bb8390SAnirudh Venkataramanan else 143537bb8390SAnirudh Venkataramanan netdev_rss_key_fill((void *)seed, 143637bb8390SAnirudh Venkataramanan ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE); 143737bb8390SAnirudh Venkataramanan memcpy(&key->standard_rss_key, seed, 143837bb8390SAnirudh Venkataramanan ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE); 143937bb8390SAnirudh Venkataramanan 14404fb33f31SAnirudh Venkataramanan status = ice_aq_set_rss_key(&pf->hw, vsi->idx, key); 144137bb8390SAnirudh Venkataramanan 144237bb8390SAnirudh Venkataramanan if (status) { 144337bb8390SAnirudh Venkataramanan dev_err(&vsi->back->pdev->dev, "set_rss_key failed, error %d\n", 144437bb8390SAnirudh Venkataramanan status); 144537bb8390SAnirudh Venkataramanan err = -EIO; 144637bb8390SAnirudh Venkataramanan } 144737bb8390SAnirudh Venkataramanan 144837bb8390SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, key); 144937bb8390SAnirudh Venkataramanan ice_vsi_cfg_rss_exit: 145037bb8390SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, lut); 145137bb8390SAnirudh Venkataramanan return err; 145237bb8390SAnirudh Venkataramanan } 145337bb8390SAnirudh Venkataramanan 145437bb8390SAnirudh Venkataramanan /** 1455f9867df6SAnirudh Venkataramanan * ice_add_mac_to_list - Add a MAC address filter entry to the list 145645d3d428SAnirudh Venkataramanan * @vsi: the VSI to be forwarded to 145745d3d428SAnirudh Venkataramanan * @add_list: pointer to the list which contains MAC filter entries 145845d3d428SAnirudh Venkataramanan * @macaddr: the MAC address to be added. 145945d3d428SAnirudh Venkataramanan * 1460f9867df6SAnirudh Venkataramanan * Adds MAC address filter entry to the temp list 146145d3d428SAnirudh Venkataramanan * 146245d3d428SAnirudh Venkataramanan * Returns 0 on success or ENOMEM on failure. 146345d3d428SAnirudh Venkataramanan */ 146445d3d428SAnirudh Venkataramanan int ice_add_mac_to_list(struct ice_vsi *vsi, struct list_head *add_list, 146545d3d428SAnirudh Venkataramanan const u8 *macaddr) 146645d3d428SAnirudh Venkataramanan { 146745d3d428SAnirudh Venkataramanan struct ice_fltr_list_entry *tmp; 146845d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 146945d3d428SAnirudh Venkataramanan 147045d3d428SAnirudh Venkataramanan tmp = devm_kzalloc(&pf->pdev->dev, sizeof(*tmp), GFP_ATOMIC); 147145d3d428SAnirudh Venkataramanan if (!tmp) 147245d3d428SAnirudh Venkataramanan return -ENOMEM; 147345d3d428SAnirudh Venkataramanan 147445d3d428SAnirudh Venkataramanan tmp->fltr_info.flag = ICE_FLTR_TX; 14755726ca0eSAnirudh Venkataramanan tmp->fltr_info.src_id = ICE_SRC_ID_VSI; 147645d3d428SAnirudh Venkataramanan tmp->fltr_info.lkup_type = ICE_SW_LKUP_MAC; 147745d3d428SAnirudh Venkataramanan tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI; 14785726ca0eSAnirudh Venkataramanan tmp->fltr_info.vsi_handle = vsi->idx; 147945d3d428SAnirudh Venkataramanan ether_addr_copy(tmp->fltr_info.l_data.mac.mac_addr, macaddr); 148045d3d428SAnirudh Venkataramanan 148145d3d428SAnirudh Venkataramanan INIT_LIST_HEAD(&tmp->list_entry); 148245d3d428SAnirudh Venkataramanan list_add(&tmp->list_entry, add_list); 148345d3d428SAnirudh Venkataramanan 148445d3d428SAnirudh Venkataramanan return 0; 148545d3d428SAnirudh Venkataramanan } 148645d3d428SAnirudh Venkataramanan 148745d3d428SAnirudh Venkataramanan /** 148845d3d428SAnirudh Venkataramanan * ice_update_eth_stats - Update VSI-specific ethernet statistics counters 148945d3d428SAnirudh Venkataramanan * @vsi: the VSI to be updated 149045d3d428SAnirudh Venkataramanan */ 149145d3d428SAnirudh Venkataramanan void ice_update_eth_stats(struct ice_vsi *vsi) 149245d3d428SAnirudh Venkataramanan { 149345d3d428SAnirudh Venkataramanan struct ice_eth_stats *prev_es, *cur_es; 149445d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 149545d3d428SAnirudh Venkataramanan u16 vsi_num = vsi->vsi_num; /* HW absolute index of a VSI */ 149645d3d428SAnirudh Venkataramanan 149745d3d428SAnirudh Venkataramanan prev_es = &vsi->eth_stats_prev; 149845d3d428SAnirudh Venkataramanan cur_es = &vsi->eth_stats; 149945d3d428SAnirudh Venkataramanan 150045d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_GORCH(vsi_num), GLV_GORCL(vsi_num), 150145d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->rx_bytes, 150245d3d428SAnirudh Venkataramanan &cur_es->rx_bytes); 150345d3d428SAnirudh Venkataramanan 150445d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_UPRCH(vsi_num), GLV_UPRCL(vsi_num), 150545d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->rx_unicast, 150645d3d428SAnirudh Venkataramanan &cur_es->rx_unicast); 150745d3d428SAnirudh Venkataramanan 150845d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_MPRCH(vsi_num), GLV_MPRCL(vsi_num), 150945d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->rx_multicast, 151045d3d428SAnirudh Venkataramanan &cur_es->rx_multicast); 151145d3d428SAnirudh Venkataramanan 151245d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_BPRCH(vsi_num), GLV_BPRCL(vsi_num), 151345d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->rx_broadcast, 151445d3d428SAnirudh Venkataramanan &cur_es->rx_broadcast); 151545d3d428SAnirudh Venkataramanan 151645d3d428SAnirudh Venkataramanan ice_stat_update32(hw, GLV_RDPC(vsi_num), vsi->stat_offsets_loaded, 151745d3d428SAnirudh Venkataramanan &prev_es->rx_discards, &cur_es->rx_discards); 151845d3d428SAnirudh Venkataramanan 151945d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_GOTCH(vsi_num), GLV_GOTCL(vsi_num), 152045d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->tx_bytes, 152145d3d428SAnirudh Venkataramanan &cur_es->tx_bytes); 152245d3d428SAnirudh Venkataramanan 152345d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_UPTCH(vsi_num), GLV_UPTCL(vsi_num), 152445d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->tx_unicast, 152545d3d428SAnirudh Venkataramanan &cur_es->tx_unicast); 152645d3d428SAnirudh Venkataramanan 152745d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_MPTCH(vsi_num), GLV_MPTCL(vsi_num), 152845d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->tx_multicast, 152945d3d428SAnirudh Venkataramanan &cur_es->tx_multicast); 153045d3d428SAnirudh Venkataramanan 153145d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_BPTCH(vsi_num), GLV_BPTCL(vsi_num), 153245d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->tx_broadcast, 153345d3d428SAnirudh Venkataramanan &cur_es->tx_broadcast); 153445d3d428SAnirudh Venkataramanan 153545d3d428SAnirudh Venkataramanan ice_stat_update32(hw, GLV_TEPC(vsi_num), vsi->stat_offsets_loaded, 153645d3d428SAnirudh Venkataramanan &prev_es->tx_errors, &cur_es->tx_errors); 153745d3d428SAnirudh Venkataramanan 153845d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded = true; 153945d3d428SAnirudh Venkataramanan } 154045d3d428SAnirudh Venkataramanan 154145d3d428SAnirudh Venkataramanan /** 154245d3d428SAnirudh Venkataramanan * ice_free_fltr_list - free filter lists helper 154345d3d428SAnirudh Venkataramanan * @dev: pointer to the device struct 154445d3d428SAnirudh Venkataramanan * @h: pointer to the list head to be freed 154545d3d428SAnirudh Venkataramanan * 154645d3d428SAnirudh Venkataramanan * Helper function to free filter lists previously created using 154745d3d428SAnirudh Venkataramanan * ice_add_mac_to_list 154845d3d428SAnirudh Venkataramanan */ 154945d3d428SAnirudh Venkataramanan void ice_free_fltr_list(struct device *dev, struct list_head *h) 155045d3d428SAnirudh Venkataramanan { 155145d3d428SAnirudh Venkataramanan struct ice_fltr_list_entry *e, *tmp; 155245d3d428SAnirudh Venkataramanan 155345d3d428SAnirudh Venkataramanan list_for_each_entry_safe(e, tmp, h, list_entry) { 155445d3d428SAnirudh Venkataramanan list_del(&e->list_entry); 155545d3d428SAnirudh Venkataramanan devm_kfree(dev, e); 155645d3d428SAnirudh Venkataramanan } 155745d3d428SAnirudh Venkataramanan } 155845d3d428SAnirudh Venkataramanan 155945d3d428SAnirudh Venkataramanan /** 156045d3d428SAnirudh Venkataramanan * ice_vsi_add_vlan - Add VSI membership for given VLAN 156145d3d428SAnirudh Venkataramanan * @vsi: the VSI being configured 1562f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be added 156345d3d428SAnirudh Venkataramanan */ 156445d3d428SAnirudh Venkataramanan int ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid) 156545d3d428SAnirudh Venkataramanan { 156645d3d428SAnirudh Venkataramanan struct ice_fltr_list_entry *tmp; 156745d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 156845d3d428SAnirudh Venkataramanan LIST_HEAD(tmp_add_list); 156945d3d428SAnirudh Venkataramanan enum ice_status status; 157045d3d428SAnirudh Venkataramanan int err = 0; 157145d3d428SAnirudh Venkataramanan 157245d3d428SAnirudh Venkataramanan tmp = devm_kzalloc(&pf->pdev->dev, sizeof(*tmp), GFP_KERNEL); 157345d3d428SAnirudh Venkataramanan if (!tmp) 157445d3d428SAnirudh Venkataramanan return -ENOMEM; 157545d3d428SAnirudh Venkataramanan 157645d3d428SAnirudh Venkataramanan tmp->fltr_info.lkup_type = ICE_SW_LKUP_VLAN; 157745d3d428SAnirudh Venkataramanan tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI; 157845d3d428SAnirudh Venkataramanan tmp->fltr_info.flag = ICE_FLTR_TX; 15795726ca0eSAnirudh Venkataramanan tmp->fltr_info.src_id = ICE_SRC_ID_VSI; 15805726ca0eSAnirudh Venkataramanan tmp->fltr_info.vsi_handle = vsi->idx; 158145d3d428SAnirudh Venkataramanan tmp->fltr_info.l_data.vlan.vlan_id = vid; 158245d3d428SAnirudh Venkataramanan 158345d3d428SAnirudh Venkataramanan INIT_LIST_HEAD(&tmp->list_entry); 158445d3d428SAnirudh Venkataramanan list_add(&tmp->list_entry, &tmp_add_list); 158545d3d428SAnirudh Venkataramanan 158645d3d428SAnirudh Venkataramanan status = ice_add_vlan(&pf->hw, &tmp_add_list); 158745d3d428SAnirudh Venkataramanan if (status) { 158845d3d428SAnirudh Venkataramanan err = -ENODEV; 158945d3d428SAnirudh Venkataramanan dev_err(&pf->pdev->dev, "Failure Adding VLAN %d on VSI %i\n", 159045d3d428SAnirudh Venkataramanan vid, vsi->vsi_num); 159145d3d428SAnirudh Venkataramanan } 159245d3d428SAnirudh Venkataramanan 159345d3d428SAnirudh Venkataramanan ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list); 159445d3d428SAnirudh Venkataramanan return err; 159545d3d428SAnirudh Venkataramanan } 159645d3d428SAnirudh Venkataramanan 159745d3d428SAnirudh Venkataramanan /** 159845d3d428SAnirudh Venkataramanan * ice_vsi_kill_vlan - Remove VSI membership for a given VLAN 159945d3d428SAnirudh Venkataramanan * @vsi: the VSI being configured 1600f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be removed 160145d3d428SAnirudh Venkataramanan * 160245d3d428SAnirudh Venkataramanan * Returns 0 on success and negative on failure 160345d3d428SAnirudh Venkataramanan */ 160445d3d428SAnirudh Venkataramanan int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid) 160545d3d428SAnirudh Venkataramanan { 160645d3d428SAnirudh Venkataramanan struct ice_fltr_list_entry *list; 160745d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 160845d3d428SAnirudh Venkataramanan LIST_HEAD(tmp_add_list); 160945d3d428SAnirudh Venkataramanan int status = 0; 161045d3d428SAnirudh Venkataramanan 161145d3d428SAnirudh Venkataramanan list = devm_kzalloc(&pf->pdev->dev, sizeof(*list), GFP_KERNEL); 161245d3d428SAnirudh Venkataramanan if (!list) 161345d3d428SAnirudh Venkataramanan return -ENOMEM; 161445d3d428SAnirudh Venkataramanan 161545d3d428SAnirudh Venkataramanan list->fltr_info.lkup_type = ICE_SW_LKUP_VLAN; 16165726ca0eSAnirudh Venkataramanan list->fltr_info.vsi_handle = vsi->idx; 161745d3d428SAnirudh Venkataramanan list->fltr_info.fltr_act = ICE_FWD_TO_VSI; 161845d3d428SAnirudh Venkataramanan list->fltr_info.l_data.vlan.vlan_id = vid; 161945d3d428SAnirudh Venkataramanan list->fltr_info.flag = ICE_FLTR_TX; 16205726ca0eSAnirudh Venkataramanan list->fltr_info.src_id = ICE_SRC_ID_VSI; 162145d3d428SAnirudh Venkataramanan 162245d3d428SAnirudh Venkataramanan INIT_LIST_HEAD(&list->list_entry); 162345d3d428SAnirudh Venkataramanan list_add(&list->list_entry, &tmp_add_list); 162445d3d428SAnirudh Venkataramanan 162545d3d428SAnirudh Venkataramanan if (ice_remove_vlan(&pf->hw, &tmp_add_list)) { 162645d3d428SAnirudh Venkataramanan dev_err(&pf->pdev->dev, "Error removing VLAN %d on vsi %i\n", 162745d3d428SAnirudh Venkataramanan vid, vsi->vsi_num); 162845d3d428SAnirudh Venkataramanan status = -EIO; 162945d3d428SAnirudh Venkataramanan } 163045d3d428SAnirudh Venkataramanan 163145d3d428SAnirudh Venkataramanan ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list); 163245d3d428SAnirudh Venkataramanan return status; 163345d3d428SAnirudh Venkataramanan } 163445d3d428SAnirudh Venkataramanan 163545d3d428SAnirudh Venkataramanan /** 163672adf242SAnirudh Venkataramanan * ice_vsi_cfg_rxqs - Configure the VSI for Rx 163772adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 163872adf242SAnirudh Venkataramanan * 163972adf242SAnirudh Venkataramanan * Return 0 on success and a negative value on error 164072adf242SAnirudh Venkataramanan * Configure the Rx VSI for operation. 164172adf242SAnirudh Venkataramanan */ 164272adf242SAnirudh Venkataramanan int ice_vsi_cfg_rxqs(struct ice_vsi *vsi) 164372adf242SAnirudh Venkataramanan { 164472adf242SAnirudh Venkataramanan int err = 0; 164572adf242SAnirudh Venkataramanan u16 i; 164672adf242SAnirudh Venkataramanan 16478ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 16488ede0178SAnirudh Venkataramanan goto setup_rings; 16498ede0178SAnirudh Venkataramanan 165072adf242SAnirudh Venkataramanan if (vsi->netdev && vsi->netdev->mtu > ETH_DATA_LEN) 165172adf242SAnirudh Venkataramanan vsi->max_frame = vsi->netdev->mtu + 165272adf242SAnirudh Venkataramanan ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; 165372adf242SAnirudh Venkataramanan else 165472adf242SAnirudh Venkataramanan vsi->max_frame = ICE_RXBUF_2048; 165572adf242SAnirudh Venkataramanan 165672adf242SAnirudh Venkataramanan vsi->rx_buf_len = ICE_RXBUF_2048; 16578ede0178SAnirudh Venkataramanan setup_rings: 165872adf242SAnirudh Venkataramanan /* set up individual rings */ 165972adf242SAnirudh Venkataramanan for (i = 0; i < vsi->num_rxq && !err; i++) 166072adf242SAnirudh Venkataramanan err = ice_setup_rx_ctx(vsi->rx_rings[i]); 166172adf242SAnirudh Venkataramanan 166272adf242SAnirudh Venkataramanan if (err) { 166372adf242SAnirudh Venkataramanan dev_err(&vsi->back->pdev->dev, "ice_setup_rx_ctx failed\n"); 166472adf242SAnirudh Venkataramanan return -EIO; 166572adf242SAnirudh Venkataramanan } 166672adf242SAnirudh Venkataramanan return err; 166772adf242SAnirudh Venkataramanan } 166872adf242SAnirudh Venkataramanan 166972adf242SAnirudh Venkataramanan /** 167072adf242SAnirudh Venkataramanan * ice_vsi_cfg_txqs - Configure the VSI for Tx 167172adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 167203f7a986SAnirudh Venkataramanan * @rings: Tx ring array to be configured 167303f7a986SAnirudh Venkataramanan * @offset: offset within vsi->txq_map 167472adf242SAnirudh Venkataramanan * 167572adf242SAnirudh Venkataramanan * Return 0 on success and a negative value on error 167672adf242SAnirudh Venkataramanan * Configure the Tx VSI for operation. 167772adf242SAnirudh Venkataramanan */ 167803f7a986SAnirudh Venkataramanan static int 167903f7a986SAnirudh Venkataramanan ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_ring **rings, int offset) 168072adf242SAnirudh Venkataramanan { 168172adf242SAnirudh Venkataramanan struct ice_aqc_add_tx_qgrp *qg_buf; 168272adf242SAnirudh Venkataramanan struct ice_aqc_add_txqs_perq *txq; 168372adf242SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 1684c5a2a4a3SUsha Ketineni u8 num_q_grps, q_idx = 0; 168572adf242SAnirudh Venkataramanan enum ice_status status; 168672adf242SAnirudh Venkataramanan u16 buf_len, i, pf_q; 168703f7a986SAnirudh Venkataramanan int err = 0, tc; 168872adf242SAnirudh Venkataramanan 1689c6dfd690SBruce Allan buf_len = sizeof(*qg_buf); 169072adf242SAnirudh Venkataramanan qg_buf = devm_kzalloc(&pf->pdev->dev, buf_len, GFP_KERNEL); 169172adf242SAnirudh Venkataramanan if (!qg_buf) 169272adf242SAnirudh Venkataramanan return -ENOMEM; 169372adf242SAnirudh Venkataramanan 169472adf242SAnirudh Venkataramanan qg_buf->num_txqs = 1; 169572adf242SAnirudh Venkataramanan num_q_grps = 1; 169672adf242SAnirudh Venkataramanan 1697c5a2a4a3SUsha Ketineni /* set up and configure the Tx queues for each enabled TC */ 16982bdc97beSBruce Allan ice_for_each_traffic_class(tc) { 1699c5a2a4a3SUsha Ketineni if (!(vsi->tc_cfg.ena_tc & BIT(tc))) 1700c5a2a4a3SUsha Ketineni break; 1701c5a2a4a3SUsha Ketineni 1702c5a2a4a3SUsha Ketineni for (i = 0; i < vsi->tc_cfg.tc_info[tc].qcount_tx; i++) { 170372adf242SAnirudh Venkataramanan struct ice_tlan_ctx tlan_ctx = { 0 }; 170472adf242SAnirudh Venkataramanan 170503f7a986SAnirudh Venkataramanan pf_q = vsi->txq_map[q_idx + offset]; 170603f7a986SAnirudh Venkataramanan ice_setup_tx_ctx(rings[q_idx], &tlan_ctx, pf_q); 170772adf242SAnirudh Venkataramanan /* copy context contents into the qg_buf */ 170872adf242SAnirudh Venkataramanan qg_buf->txqs[0].txq_id = cpu_to_le16(pf_q); 170972adf242SAnirudh Venkataramanan ice_set_ctx((u8 *)&tlan_ctx, qg_buf->txqs[0].txq_ctx, 171072adf242SAnirudh Venkataramanan ice_tlan_ctx_info); 171172adf242SAnirudh Venkataramanan 1712c5a2a4a3SUsha Ketineni /* init queue specific tail reg. It is referred as 1713c5a2a4a3SUsha Ketineni * transmit comm scheduler queue doorbell. 171472adf242SAnirudh Venkataramanan */ 171503f7a986SAnirudh Venkataramanan rings[q_idx]->tail = 1716c5a2a4a3SUsha Ketineni pf->hw.hw_addr + QTX_COMM_DBELL(pf_q); 17174fb33f31SAnirudh Venkataramanan status = ice_ena_vsi_txq(vsi->port_info, vsi->idx, tc, 1718c5a2a4a3SUsha Ketineni num_q_grps, qg_buf, buf_len, 1719c5a2a4a3SUsha Ketineni NULL); 172072adf242SAnirudh Venkataramanan if (status) { 172172adf242SAnirudh Venkataramanan dev_err(&vsi->back->pdev->dev, 172272adf242SAnirudh Venkataramanan "Failed to set LAN Tx queue context, error: %d\n", 172372adf242SAnirudh Venkataramanan status); 172472adf242SAnirudh Venkataramanan err = -ENODEV; 172572adf242SAnirudh Venkataramanan goto err_cfg_txqs; 172672adf242SAnirudh Venkataramanan } 172772adf242SAnirudh Venkataramanan 1728c5a2a4a3SUsha Ketineni /* Add Tx Queue TEID into the VSI Tx ring from the 1729c5a2a4a3SUsha Ketineni * response. This will complete configuring and 1730c5a2a4a3SUsha Ketineni * enabling the queue. 173172adf242SAnirudh Venkataramanan */ 173272adf242SAnirudh Venkataramanan txq = &qg_buf->txqs[0]; 173372adf242SAnirudh Venkataramanan if (pf_q == le16_to_cpu(txq->txq_id)) 173403f7a986SAnirudh Venkataramanan rings[q_idx]->txq_teid = 173572adf242SAnirudh Venkataramanan le32_to_cpu(txq->q_teid); 1736c5a2a4a3SUsha Ketineni 1737c5a2a4a3SUsha Ketineni q_idx++; 1738c5a2a4a3SUsha Ketineni } 173972adf242SAnirudh Venkataramanan } 174072adf242SAnirudh Venkataramanan err_cfg_txqs: 174172adf242SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, qg_buf); 174272adf242SAnirudh Venkataramanan return err; 174372adf242SAnirudh Venkataramanan } 174472adf242SAnirudh Venkataramanan 174572adf242SAnirudh Venkataramanan /** 174603f7a986SAnirudh Venkataramanan * ice_vsi_cfg_lan_txqs - Configure the VSI for Tx 174703f7a986SAnirudh Venkataramanan * @vsi: the VSI being configured 174803f7a986SAnirudh Venkataramanan * 174903f7a986SAnirudh Venkataramanan * Return 0 on success and a negative value on error 175003f7a986SAnirudh Venkataramanan * Configure the Tx VSI for operation. 175103f7a986SAnirudh Venkataramanan */ 175203f7a986SAnirudh Venkataramanan int ice_vsi_cfg_lan_txqs(struct ice_vsi *vsi) 175303f7a986SAnirudh Venkataramanan { 175403f7a986SAnirudh Venkataramanan return ice_vsi_cfg_txqs(vsi, vsi->tx_rings, 0); 175503f7a986SAnirudh Venkataramanan } 175603f7a986SAnirudh Venkataramanan 175703f7a986SAnirudh Venkataramanan /** 17589e4ab4c2SBrett Creeley * ice_intrl_usec_to_reg - convert interrupt rate limit to register value 17599e4ab4c2SBrett Creeley * @intrl: interrupt rate limit in usecs 17609e4ab4c2SBrett Creeley * @gran: interrupt rate limit granularity in usecs 17619e4ab4c2SBrett Creeley * 17629e4ab4c2SBrett Creeley * This function converts a decimal interrupt rate limit in usecs to the format 17639e4ab4c2SBrett Creeley * expected by firmware. 17649e4ab4c2SBrett Creeley */ 17659e4ab4c2SBrett Creeley static u32 ice_intrl_usec_to_reg(u8 intrl, u8 gran) 17669e4ab4c2SBrett Creeley { 17679e4ab4c2SBrett Creeley u32 val = intrl / gran; 17689e4ab4c2SBrett Creeley 17699e4ab4c2SBrett Creeley if (val) 17709e4ab4c2SBrett Creeley return val | GLINT_RATE_INTRL_ENA_M; 17719e4ab4c2SBrett Creeley return 0; 17729e4ab4c2SBrett Creeley } 17739e4ab4c2SBrett Creeley 17749e4ab4c2SBrett Creeley /** 177570457520SBrett Creeley * ice_cfg_itr_gran - set the ITR granularity to 2 usecs if not already set 177670457520SBrett Creeley * @hw: board specific structure 177770457520SBrett Creeley */ 177870457520SBrett Creeley static void ice_cfg_itr_gran(struct ice_hw *hw) 177970457520SBrett Creeley { 178070457520SBrett Creeley u32 regval = rd32(hw, GLINT_CTL); 178170457520SBrett Creeley 178270457520SBrett Creeley /* no need to update global register if ITR gran is already set */ 178370457520SBrett Creeley if (!(regval & GLINT_CTL_DIS_AUTOMASK_M) && 178470457520SBrett Creeley (((regval & GLINT_CTL_ITR_GRAN_200_M) >> 178570457520SBrett Creeley GLINT_CTL_ITR_GRAN_200_S) == ICE_ITR_GRAN_US) && 178670457520SBrett Creeley (((regval & GLINT_CTL_ITR_GRAN_100_M) >> 178770457520SBrett Creeley GLINT_CTL_ITR_GRAN_100_S) == ICE_ITR_GRAN_US) && 178870457520SBrett Creeley (((regval & GLINT_CTL_ITR_GRAN_50_M) >> 178970457520SBrett Creeley GLINT_CTL_ITR_GRAN_50_S) == ICE_ITR_GRAN_US) && 179070457520SBrett Creeley (((regval & GLINT_CTL_ITR_GRAN_25_M) >> 179170457520SBrett Creeley GLINT_CTL_ITR_GRAN_25_S) == ICE_ITR_GRAN_US)) 179270457520SBrett Creeley return; 179370457520SBrett Creeley 179470457520SBrett Creeley regval = ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_200_S) & 179570457520SBrett Creeley GLINT_CTL_ITR_GRAN_200_M) | 179670457520SBrett Creeley ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_100_S) & 179770457520SBrett Creeley GLINT_CTL_ITR_GRAN_100_M) | 179870457520SBrett Creeley ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_50_S) & 179970457520SBrett Creeley GLINT_CTL_ITR_GRAN_50_M) | 180070457520SBrett Creeley ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_25_S) & 180170457520SBrett Creeley GLINT_CTL_ITR_GRAN_25_M); 180270457520SBrett Creeley wr32(hw, GLINT_CTL, regval); 180370457520SBrett Creeley } 180470457520SBrett Creeley 180570457520SBrett Creeley /** 1806d2b464a7SBrett Creeley * ice_cfg_itr - configure the initial interrupt throttle values 1807d2b464a7SBrett Creeley * @hw: pointer to the HW structure 1808d2b464a7SBrett Creeley * @q_vector: interrupt vector that's being configured 1809d2b464a7SBrett Creeley * @vector: HW vector index to apply the interrupt throttling to 1810d2b464a7SBrett Creeley * 1811d2b464a7SBrett Creeley * Configure interrupt throttling values for the ring containers that are 1812d2b464a7SBrett Creeley * associated with the interrupt vector passed in. 1813d2b464a7SBrett Creeley */ 1814d2b464a7SBrett Creeley static void 1815d2b464a7SBrett Creeley ice_cfg_itr(struct ice_hw *hw, struct ice_q_vector *q_vector, u16 vector) 1816d2b464a7SBrett Creeley { 181770457520SBrett Creeley ice_cfg_itr_gran(hw); 181870457520SBrett Creeley 1819d2b464a7SBrett Creeley if (q_vector->num_ring_rx) { 1820d2b464a7SBrett Creeley struct ice_ring_container *rc = &q_vector->rx; 1821d2b464a7SBrett Creeley 182263f545edSBrett Creeley /* if this value is set then don't overwrite with default */ 182363f545edSBrett Creeley if (!rc->itr_setting) 182463f545edSBrett Creeley rc->itr_setting = ICE_DFLT_RX_ITR; 182563f545edSBrett Creeley 182663f545edSBrett Creeley rc->target_itr = ITR_TO_REG(rc->itr_setting); 182763f545edSBrett Creeley rc->next_update = jiffies + 1; 182863f545edSBrett Creeley rc->current_itr = rc->target_itr; 182963f545edSBrett Creeley wr32(hw, GLINT_ITR(rc->itr_idx, vector), 183063f545edSBrett Creeley ITR_REG_ALIGN(rc->current_itr) >> ICE_ITR_GRAN_S); 1831d2b464a7SBrett Creeley } 1832d2b464a7SBrett Creeley 1833d2b464a7SBrett Creeley if (q_vector->num_ring_tx) { 1834d2b464a7SBrett Creeley struct ice_ring_container *rc = &q_vector->tx; 1835d2b464a7SBrett Creeley 183663f545edSBrett Creeley /* if this value is set then don't overwrite with default */ 183763f545edSBrett Creeley if (!rc->itr_setting) 183863f545edSBrett Creeley rc->itr_setting = ICE_DFLT_TX_ITR; 183963f545edSBrett Creeley 184063f545edSBrett Creeley rc->target_itr = ITR_TO_REG(rc->itr_setting); 184163f545edSBrett Creeley rc->next_update = jiffies + 1; 184263f545edSBrett Creeley rc->current_itr = rc->target_itr; 184363f545edSBrett Creeley wr32(hw, GLINT_ITR(rc->itr_idx, vector), 184463f545edSBrett Creeley ITR_REG_ALIGN(rc->current_itr) >> ICE_ITR_GRAN_S); 1845d2b464a7SBrett Creeley } 1846d2b464a7SBrett Creeley } 1847d2b464a7SBrett Creeley 1848d2b464a7SBrett Creeley /** 184972adf242SAnirudh Venkataramanan * ice_vsi_cfg_msix - MSIX mode Interrupt Config in the HW 185072adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 185172adf242SAnirudh Venkataramanan */ 185272adf242SAnirudh Venkataramanan void ice_vsi_cfg_msix(struct ice_vsi *vsi) 185372adf242SAnirudh Venkataramanan { 185472adf242SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 1855eb0208ecSPreethi Banala u16 vector = vsi->hw_base_vector; 185672adf242SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 185772adf242SAnirudh Venkataramanan u32 txq = 0, rxq = 0; 1858d2b464a7SBrett Creeley int i, q; 185972adf242SAnirudh Venkataramanan 186072adf242SAnirudh Venkataramanan for (i = 0; i < vsi->num_q_vectors; i++, vector++) { 186172adf242SAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[i]; 186272adf242SAnirudh Venkataramanan 1863d2b464a7SBrett Creeley ice_cfg_itr(hw, q_vector, vector); 18649e4ab4c2SBrett Creeley 18659e4ab4c2SBrett Creeley wr32(hw, GLINT_RATE(vector), 18669e4ab4c2SBrett Creeley ice_intrl_usec_to_reg(q_vector->intrl, hw->intrl_gran)); 186772adf242SAnirudh Venkataramanan 186872adf242SAnirudh Venkataramanan /* Both Transmit Queue Interrupt Cause Control register 186972adf242SAnirudh Venkataramanan * and Receive Queue Interrupt Cause control register 187072adf242SAnirudh Venkataramanan * expects MSIX_INDX field to be the vector index 187172adf242SAnirudh Venkataramanan * within the function space and not the absolute 187272adf242SAnirudh Venkataramanan * vector index across PF or across device. 187372adf242SAnirudh Venkataramanan * For SR-IOV VF VSIs queue vector index always starts 187472adf242SAnirudh Venkataramanan * with 1 since first vector index(0) is used for OICR 187572adf242SAnirudh Venkataramanan * in VF space. Since VMDq and other PF VSIs are within 187672adf242SAnirudh Venkataramanan * the PF function space, use the vector index that is 187772adf242SAnirudh Venkataramanan * tracked for this PF. 187872adf242SAnirudh Venkataramanan */ 187972adf242SAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_tx; q++) { 1880d2b464a7SBrett Creeley int itr_idx = q_vector->tx.itr_idx; 188172adf242SAnirudh Venkataramanan u32 val; 188272adf242SAnirudh Venkataramanan 18838ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 18848ede0178SAnirudh Venkataramanan val = QINT_TQCTL_CAUSE_ENA_M | 1885d2b464a7SBrett Creeley (itr_idx << QINT_TQCTL_ITR_INDX_S) | 18868ede0178SAnirudh Venkataramanan ((i + 1) << QINT_TQCTL_MSIX_INDX_S); 18878ede0178SAnirudh Venkataramanan else 188872adf242SAnirudh Venkataramanan val = QINT_TQCTL_CAUSE_ENA_M | 1889d2b464a7SBrett Creeley (itr_idx << QINT_TQCTL_ITR_INDX_S) | 189072adf242SAnirudh Venkataramanan (vector << QINT_TQCTL_MSIX_INDX_S); 189172adf242SAnirudh Venkataramanan wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), val); 189272adf242SAnirudh Venkataramanan txq++; 189372adf242SAnirudh Venkataramanan } 189472adf242SAnirudh Venkataramanan 189572adf242SAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_rx; q++) { 1896d2b464a7SBrett Creeley int itr_idx = q_vector->rx.itr_idx; 189772adf242SAnirudh Venkataramanan u32 val; 189872adf242SAnirudh Venkataramanan 18998ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 19008ede0178SAnirudh Venkataramanan val = QINT_RQCTL_CAUSE_ENA_M | 1901d2b464a7SBrett Creeley (itr_idx << QINT_RQCTL_ITR_INDX_S) | 19028ede0178SAnirudh Venkataramanan ((i + 1) << QINT_RQCTL_MSIX_INDX_S); 19038ede0178SAnirudh Venkataramanan else 190472adf242SAnirudh Venkataramanan val = QINT_RQCTL_CAUSE_ENA_M | 1905d2b464a7SBrett Creeley (itr_idx << QINT_RQCTL_ITR_INDX_S) | 190672adf242SAnirudh Venkataramanan (vector << QINT_RQCTL_MSIX_INDX_S); 190772adf242SAnirudh Venkataramanan wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), val); 190872adf242SAnirudh Venkataramanan rxq++; 190972adf242SAnirudh Venkataramanan } 191072adf242SAnirudh Venkataramanan } 191172adf242SAnirudh Venkataramanan 191272adf242SAnirudh Venkataramanan ice_flush(hw); 191372adf242SAnirudh Venkataramanan } 191472adf242SAnirudh Venkataramanan 191572adf242SAnirudh Venkataramanan /** 191645d3d428SAnirudh Venkataramanan * ice_vsi_manage_vlan_insertion - Manage VLAN insertion for the VSI for Tx 191745d3d428SAnirudh Venkataramanan * @vsi: the VSI being changed 191845d3d428SAnirudh Venkataramanan */ 191945d3d428SAnirudh Venkataramanan int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi) 192045d3d428SAnirudh Venkataramanan { 192145d3d428SAnirudh Venkataramanan struct device *dev = &vsi->back->pdev->dev; 192245d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 1923198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 192445d3d428SAnirudh Venkataramanan enum ice_status status; 1925198a666aSBruce Allan int ret = 0; 1926198a666aSBruce Allan 1927198a666aSBruce Allan ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL); 1928198a666aSBruce Allan if (!ctxt) 1929198a666aSBruce Allan return -ENOMEM; 193045d3d428SAnirudh Venkataramanan 193145d3d428SAnirudh Venkataramanan /* Here we are configuring the VSI to let the driver add VLAN tags by 193245d3d428SAnirudh Venkataramanan * setting vlan_flags to ICE_AQ_VSI_VLAN_MODE_ALL. The actual VLAN tag 193345d3d428SAnirudh Venkataramanan * insertion happens in the Tx hot path, in ice_tx_map. 193445d3d428SAnirudh Venkataramanan */ 1935198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL; 193645d3d428SAnirudh Venkataramanan 1937198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); 193845d3d428SAnirudh Venkataramanan 1939198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 194045d3d428SAnirudh Venkataramanan if (status) { 194145d3d428SAnirudh Venkataramanan dev_err(dev, "update VSI for VLAN insert failed, err %d aq_err %d\n", 194245d3d428SAnirudh Venkataramanan status, hw->adminq.sq_last_status); 1943198a666aSBruce Allan ret = -EIO; 1944198a666aSBruce Allan goto out; 194545d3d428SAnirudh Venkataramanan } 194645d3d428SAnirudh Venkataramanan 1947198a666aSBruce Allan vsi->info.vlan_flags = ctxt->info.vlan_flags; 1948198a666aSBruce Allan out: 1949198a666aSBruce Allan devm_kfree(dev, ctxt); 1950198a666aSBruce Allan return ret; 195145d3d428SAnirudh Venkataramanan } 195245d3d428SAnirudh Venkataramanan 195345d3d428SAnirudh Venkataramanan /** 195445d3d428SAnirudh Venkataramanan * ice_vsi_manage_vlan_stripping - Manage VLAN stripping for the VSI for Rx 195545d3d428SAnirudh Venkataramanan * @vsi: the VSI being changed 195645d3d428SAnirudh Venkataramanan * @ena: boolean value indicating if this is a enable or disable request 195745d3d428SAnirudh Venkataramanan */ 195845d3d428SAnirudh Venkataramanan int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena) 195945d3d428SAnirudh Venkataramanan { 196045d3d428SAnirudh Venkataramanan struct device *dev = &vsi->back->pdev->dev; 196145d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 1962198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 196345d3d428SAnirudh Venkataramanan enum ice_status status; 1964198a666aSBruce Allan int ret = 0; 1965198a666aSBruce Allan 1966198a666aSBruce Allan ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL); 1967198a666aSBruce Allan if (!ctxt) 1968198a666aSBruce Allan return -ENOMEM; 196945d3d428SAnirudh Venkataramanan 197045d3d428SAnirudh Venkataramanan /* Here we are configuring what the VSI should do with the VLAN tag in 197145d3d428SAnirudh Venkataramanan * the Rx packet. We can either leave the tag in the packet or put it in 197245d3d428SAnirudh Venkataramanan * the Rx descriptor. 197345d3d428SAnirudh Venkataramanan */ 1974198a666aSBruce Allan if (ena) 197545d3d428SAnirudh Venkataramanan /* Strip VLAN tag from Rx packet and put it in the desc */ 1976198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_STR_BOTH; 1977198a666aSBruce Allan else 197845d3d428SAnirudh Venkataramanan /* Disable stripping. Leave tag in packet */ 1979198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING; 198045d3d428SAnirudh Venkataramanan 198145d3d428SAnirudh Venkataramanan /* Allow all packets untagged/tagged */ 1982198a666aSBruce Allan ctxt->info.vlan_flags |= ICE_AQ_VSI_VLAN_MODE_ALL; 198345d3d428SAnirudh Venkataramanan 1984198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); 198545d3d428SAnirudh Venkataramanan 1986198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 198745d3d428SAnirudh Venkataramanan if (status) { 198845d3d428SAnirudh Venkataramanan dev_err(dev, "update VSI for VLAN strip failed, ena = %d err %d aq_err %d\n", 198945d3d428SAnirudh Venkataramanan ena, status, hw->adminq.sq_last_status); 1990198a666aSBruce Allan ret = -EIO; 1991198a666aSBruce Allan goto out; 199245d3d428SAnirudh Venkataramanan } 199345d3d428SAnirudh Venkataramanan 1994198a666aSBruce Allan vsi->info.vlan_flags = ctxt->info.vlan_flags; 1995198a666aSBruce Allan out: 1996198a666aSBruce Allan devm_kfree(dev, ctxt); 1997198a666aSBruce Allan return ret; 199845d3d428SAnirudh Venkataramanan } 199972adf242SAnirudh Venkataramanan 200072adf242SAnirudh Venkataramanan /** 200172adf242SAnirudh Venkataramanan * ice_vsi_start_rx_rings - start VSI's Rx rings 200272adf242SAnirudh Venkataramanan * @vsi: the VSI whose rings are to be started 200372adf242SAnirudh Venkataramanan * 200472adf242SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 200572adf242SAnirudh Venkataramanan */ 200672adf242SAnirudh Venkataramanan int ice_vsi_start_rx_rings(struct ice_vsi *vsi) 200772adf242SAnirudh Venkataramanan { 200872adf242SAnirudh Venkataramanan return ice_vsi_ctrl_rx_rings(vsi, true); 200972adf242SAnirudh Venkataramanan } 201072adf242SAnirudh Venkataramanan 201172adf242SAnirudh Venkataramanan /** 201272adf242SAnirudh Venkataramanan * ice_vsi_stop_rx_rings - stop VSI's Rx rings 201372adf242SAnirudh Venkataramanan * @vsi: the VSI 201472adf242SAnirudh Venkataramanan * 201572adf242SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 201672adf242SAnirudh Venkataramanan */ 201772adf242SAnirudh Venkataramanan int ice_vsi_stop_rx_rings(struct ice_vsi *vsi) 201872adf242SAnirudh Venkataramanan { 201972adf242SAnirudh Venkataramanan return ice_vsi_ctrl_rx_rings(vsi, false); 202072adf242SAnirudh Venkataramanan } 202172adf242SAnirudh Venkataramanan 202272adf242SAnirudh Venkataramanan /** 202372adf242SAnirudh Venkataramanan * ice_vsi_stop_tx_rings - Disable Tx rings 202472adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 2025ddf30f7fSAnirudh Venkataramanan * @rst_src: reset source 2026f9867df6SAnirudh Venkataramanan * @rel_vmvf_num: Relative ID of VF/VM 202703f7a986SAnirudh Venkataramanan * @rings: Tx ring array to be stopped 202803f7a986SAnirudh Venkataramanan * @offset: offset within vsi->txq_map 202972adf242SAnirudh Venkataramanan */ 203003f7a986SAnirudh Venkataramanan static int 203103f7a986SAnirudh Venkataramanan ice_vsi_stop_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, 203203f7a986SAnirudh Venkataramanan u16 rel_vmvf_num, struct ice_ring **rings, int offset) 203372adf242SAnirudh Venkataramanan { 203472adf242SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 203572adf242SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 203672adf242SAnirudh Venkataramanan enum ice_status status; 203772adf242SAnirudh Venkataramanan u32 *q_teids, val; 203872adf242SAnirudh Venkataramanan u16 *q_ids, i; 203972adf242SAnirudh Venkataramanan int err = 0; 204072adf242SAnirudh Venkataramanan 204172adf242SAnirudh Venkataramanan if (vsi->num_txq > ICE_LAN_TXQ_MAX_QDIS) 204272adf242SAnirudh Venkataramanan return -EINVAL; 204372adf242SAnirudh Venkataramanan 204472adf242SAnirudh Venkataramanan q_teids = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, sizeof(*q_teids), 204572adf242SAnirudh Venkataramanan GFP_KERNEL); 204672adf242SAnirudh Venkataramanan if (!q_teids) 204772adf242SAnirudh Venkataramanan return -ENOMEM; 204872adf242SAnirudh Venkataramanan 204972adf242SAnirudh Venkataramanan q_ids = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, sizeof(*q_ids), 205072adf242SAnirudh Venkataramanan GFP_KERNEL); 205172adf242SAnirudh Venkataramanan if (!q_ids) { 205272adf242SAnirudh Venkataramanan err = -ENOMEM; 205372adf242SAnirudh Venkataramanan goto err_alloc_q_ids; 205472adf242SAnirudh Venkataramanan } 205572adf242SAnirudh Venkataramanan 205672adf242SAnirudh Venkataramanan /* set up the Tx queue list to be disabled */ 205772adf242SAnirudh Venkataramanan ice_for_each_txq(vsi, i) { 205872adf242SAnirudh Venkataramanan u16 v_idx; 205972adf242SAnirudh Venkataramanan 206003f7a986SAnirudh Venkataramanan if (!rings || !rings[i] || !rings[i]->q_vector) { 206172adf242SAnirudh Venkataramanan err = -EINVAL; 206272adf242SAnirudh Venkataramanan goto err_out; 206372adf242SAnirudh Venkataramanan } 206472adf242SAnirudh Venkataramanan 206503f7a986SAnirudh Venkataramanan q_ids[i] = vsi->txq_map[i + offset]; 206603f7a986SAnirudh Venkataramanan q_teids[i] = rings[i]->txq_teid; 206772adf242SAnirudh Venkataramanan 206872adf242SAnirudh Venkataramanan /* clear cause_ena bit for disabled queues */ 206903f7a986SAnirudh Venkataramanan val = rd32(hw, QINT_TQCTL(rings[i]->reg_idx)); 207072adf242SAnirudh Venkataramanan val &= ~QINT_TQCTL_CAUSE_ENA_M; 207103f7a986SAnirudh Venkataramanan wr32(hw, QINT_TQCTL(rings[i]->reg_idx), val); 207272adf242SAnirudh Venkataramanan 207372adf242SAnirudh Venkataramanan /* software is expected to wait for 100 ns */ 207472adf242SAnirudh Venkataramanan ndelay(100); 207572adf242SAnirudh Venkataramanan 207672adf242SAnirudh Venkataramanan /* trigger a software interrupt for the vector associated to 207772adf242SAnirudh Venkataramanan * the queue to schedule NAPI handler 207872adf242SAnirudh Venkataramanan */ 207903f7a986SAnirudh Venkataramanan v_idx = rings[i]->q_vector->v_idx; 2080eb0208ecSPreethi Banala wr32(hw, GLINT_DYN_CTL(vsi->hw_base_vector + v_idx), 208172adf242SAnirudh Venkataramanan GLINT_DYN_CTL_SWINT_TRIG_M | GLINT_DYN_CTL_INTENA_MSK_M); 208272adf242SAnirudh Venkataramanan } 208372adf242SAnirudh Venkataramanan status = ice_dis_vsi_txq(vsi->port_info, vsi->num_txq, q_ids, q_teids, 2084ddf30f7fSAnirudh Venkataramanan rst_src, rel_vmvf_num, NULL); 208572adf242SAnirudh Venkataramanan /* if the disable queue command was exercised during an active reset 208672adf242SAnirudh Venkataramanan * flow, ICE_ERR_RESET_ONGOING is returned. This is not an error as 208772adf242SAnirudh Venkataramanan * the reset operation disables queues at the hardware level anyway. 208872adf242SAnirudh Venkataramanan */ 208972adf242SAnirudh Venkataramanan if (status == ICE_ERR_RESET_ONGOING) { 209072adf242SAnirudh Venkataramanan dev_info(&pf->pdev->dev, 209172adf242SAnirudh Venkataramanan "Reset in progress. LAN Tx queues already disabled\n"); 209272adf242SAnirudh Venkataramanan } else if (status) { 209372adf242SAnirudh Venkataramanan dev_err(&pf->pdev->dev, 209472adf242SAnirudh Venkataramanan "Failed to disable LAN Tx queues, error: %d\n", 209572adf242SAnirudh Venkataramanan status); 209672adf242SAnirudh Venkataramanan err = -ENODEV; 209772adf242SAnirudh Venkataramanan } 209872adf242SAnirudh Venkataramanan 209972adf242SAnirudh Venkataramanan err_out: 210072adf242SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, q_ids); 210172adf242SAnirudh Venkataramanan 210272adf242SAnirudh Venkataramanan err_alloc_q_ids: 210372adf242SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, q_teids); 210472adf242SAnirudh Venkataramanan 210572adf242SAnirudh Venkataramanan return err; 210672adf242SAnirudh Venkataramanan } 21075153a18eSAnirudh Venkataramanan 21085153a18eSAnirudh Venkataramanan /** 210903f7a986SAnirudh Venkataramanan * ice_vsi_stop_lan_tx_rings - Disable LAN Tx rings 211003f7a986SAnirudh Venkataramanan * @vsi: the VSI being configured 211103f7a986SAnirudh Venkataramanan * @rst_src: reset source 2112f9867df6SAnirudh Venkataramanan * @rel_vmvf_num: Relative ID of VF/VM 211303f7a986SAnirudh Venkataramanan */ 2114c8b7abddSBruce Allan int 2115c8b7abddSBruce Allan ice_vsi_stop_lan_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, 2116c8b7abddSBruce Allan u16 rel_vmvf_num) 211703f7a986SAnirudh Venkataramanan { 211803f7a986SAnirudh Venkataramanan return ice_vsi_stop_tx_rings(vsi, rst_src, rel_vmvf_num, vsi->tx_rings, 211903f7a986SAnirudh Venkataramanan 0); 212003f7a986SAnirudh Venkataramanan } 212103f7a986SAnirudh Venkataramanan 212203f7a986SAnirudh Venkataramanan /** 21235153a18eSAnirudh Venkataramanan * ice_cfg_vlan_pruning - enable or disable VLAN pruning on the VSI 21245153a18eSAnirudh Venkataramanan * @vsi: VSI to enable or disable VLAN pruning on 21255153a18eSAnirudh Venkataramanan * @ena: set to true to enable VLAN pruning and false to disable it 21265eda8afdSAkeem G Abodunrin * @vlan_promisc: enable valid security flags if not in VLAN promiscuous mode 21275153a18eSAnirudh Venkataramanan * 21285153a18eSAnirudh Venkataramanan * returns 0 if VSI is updated, negative otherwise 21295153a18eSAnirudh Venkataramanan */ 21305eda8afdSAkeem G Abodunrin int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena, bool vlan_promisc) 21315153a18eSAnirudh Venkataramanan { 21325153a18eSAnirudh Venkataramanan struct ice_vsi_ctx *ctxt; 21335153a18eSAnirudh Venkataramanan struct device *dev; 21345153a18eSAnirudh Venkataramanan int status; 21355153a18eSAnirudh Venkataramanan 21365153a18eSAnirudh Venkataramanan if (!vsi) 21375153a18eSAnirudh Venkataramanan return -EINVAL; 21385153a18eSAnirudh Venkataramanan 21395153a18eSAnirudh Venkataramanan dev = &vsi->back->pdev->dev; 21405153a18eSAnirudh Venkataramanan ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL); 21415153a18eSAnirudh Venkataramanan if (!ctxt) 21425153a18eSAnirudh Venkataramanan return -ENOMEM; 21435153a18eSAnirudh Venkataramanan 21445153a18eSAnirudh Venkataramanan ctxt->info = vsi->info; 21455153a18eSAnirudh Venkataramanan 21465153a18eSAnirudh Venkataramanan if (ena) { 21475153a18eSAnirudh Venkataramanan ctxt->info.sec_flags |= 21485153a18eSAnirudh Venkataramanan ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 21495153a18eSAnirudh Venkataramanan ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S; 21505153a18eSAnirudh Venkataramanan ctxt->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 21515153a18eSAnirudh Venkataramanan } else { 21525153a18eSAnirudh Venkataramanan ctxt->info.sec_flags &= 21535153a18eSAnirudh Venkataramanan ~(ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 21545153a18eSAnirudh Venkataramanan ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S); 21555153a18eSAnirudh Venkataramanan ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 21565153a18eSAnirudh Venkataramanan } 21575153a18eSAnirudh Venkataramanan 21585eda8afdSAkeem G Abodunrin if (!vlan_promisc) 21595eda8afdSAkeem G Abodunrin ctxt->info.valid_sections = 21605eda8afdSAkeem G Abodunrin cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID | 21615153a18eSAnirudh Venkataramanan ICE_AQ_VSI_PROP_SW_VALID); 21625726ca0eSAnirudh Venkataramanan 21635726ca0eSAnirudh Venkataramanan status = ice_update_vsi(&vsi->back->hw, vsi->idx, ctxt, NULL); 21645153a18eSAnirudh Venkataramanan if (status) { 21655726ca0eSAnirudh Venkataramanan netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI handle: %d, VSI HW ID: %d failed, err = %d, aq_err = %d\n", 216631082519SAnirudh Venkataramanan ena ? "En" : "Dis", vsi->idx, vsi->vsi_num, status, 21675153a18eSAnirudh Venkataramanan vsi->back->hw.adminq.sq_last_status); 21685153a18eSAnirudh Venkataramanan goto err_out; 21695153a18eSAnirudh Venkataramanan } 21705153a18eSAnirudh Venkataramanan 21715153a18eSAnirudh Venkataramanan vsi->info.sec_flags = ctxt->info.sec_flags; 21725153a18eSAnirudh Venkataramanan vsi->info.sw_flags2 = ctxt->info.sw_flags2; 21735153a18eSAnirudh Venkataramanan 21745153a18eSAnirudh Venkataramanan devm_kfree(dev, ctxt); 21755153a18eSAnirudh Venkataramanan return 0; 21765153a18eSAnirudh Venkataramanan 21775153a18eSAnirudh Venkataramanan err_out: 21785153a18eSAnirudh Venkataramanan devm_kfree(dev, ctxt); 21795153a18eSAnirudh Venkataramanan return -EIO; 21805153a18eSAnirudh Venkataramanan } 21815153a18eSAnirudh Venkataramanan 21827b9ffc76SAnirudh Venkataramanan static void ice_vsi_set_tc_cfg(struct ice_vsi *vsi) 21837b9ffc76SAnirudh Venkataramanan { 21847b9ffc76SAnirudh Venkataramanan struct ice_dcbx_cfg *cfg = &vsi->port_info->local_dcbx_cfg; 21857b9ffc76SAnirudh Venkataramanan 21867b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.ena_tc = ice_dcb_get_ena_tc(cfg); 21877b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.numtc = ice_dcb_get_num_tc(cfg); 21887b9ffc76SAnirudh Venkataramanan } 21897b9ffc76SAnirudh Venkataramanan 21905153a18eSAnirudh Venkataramanan /** 219137bb8390SAnirudh Venkataramanan * ice_vsi_setup - Set up a VSI by a given type 219237bb8390SAnirudh Venkataramanan * @pf: board private structure 219337bb8390SAnirudh Venkataramanan * @pi: pointer to the port_info instance 219437bb8390SAnirudh Venkataramanan * @type: VSI type 2195f9867df6SAnirudh Venkataramanan * @vf_id: defines VF ID to which this VSI connects. This field is meant to be 219637bb8390SAnirudh Venkataramanan * used only for ICE_VSI_VF VSI type. For other VSI types, should 219737bb8390SAnirudh Venkataramanan * fill-in ICE_INVAL_VFID as input. 219837bb8390SAnirudh Venkataramanan * 219937bb8390SAnirudh Venkataramanan * This allocates the sw VSI structure and its queue resources. 220037bb8390SAnirudh Venkataramanan * 220137bb8390SAnirudh Venkataramanan * Returns pointer to the successfully allocated and configured VSI sw struct on 220237bb8390SAnirudh Venkataramanan * success, NULL on failure. 220337bb8390SAnirudh Venkataramanan */ 220437bb8390SAnirudh Venkataramanan struct ice_vsi * 220537bb8390SAnirudh Venkataramanan ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, 22068ede0178SAnirudh Venkataramanan enum ice_vsi_type type, u16 vf_id) 220737bb8390SAnirudh Venkataramanan { 220837bb8390SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 220937bb8390SAnirudh Venkataramanan struct device *dev = &pf->pdev->dev; 221037bb8390SAnirudh Venkataramanan struct ice_vsi *vsi; 221137bb8390SAnirudh Venkataramanan int ret, i; 221237bb8390SAnirudh Venkataramanan 22135743020dSAkeem G Abodunrin if (type == ICE_VSI_VF) 22145743020dSAkeem G Abodunrin vsi = ice_vsi_alloc(pf, type, vf_id); 22155743020dSAkeem G Abodunrin else 22165743020dSAkeem G Abodunrin vsi = ice_vsi_alloc(pf, type, ICE_INVAL_VFID); 22175743020dSAkeem G Abodunrin 221837bb8390SAnirudh Venkataramanan if (!vsi) { 221937bb8390SAnirudh Venkataramanan dev_err(dev, "could not allocate VSI\n"); 222037bb8390SAnirudh Venkataramanan return NULL; 222137bb8390SAnirudh Venkataramanan } 222237bb8390SAnirudh Venkataramanan 222337bb8390SAnirudh Venkataramanan vsi->port_info = pi; 222437bb8390SAnirudh Venkataramanan vsi->vsw = pf->first_sw; 22258ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 22268ede0178SAnirudh Venkataramanan vsi->vf_id = vf_id; 222737bb8390SAnirudh Venkataramanan 222837bb8390SAnirudh Venkataramanan if (ice_vsi_get_qs(vsi)) { 222937bb8390SAnirudh Venkataramanan dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n", 223037bb8390SAnirudh Venkataramanan vsi->idx); 223137bb8390SAnirudh Venkataramanan goto unroll_get_qs; 223237bb8390SAnirudh Venkataramanan } 223337bb8390SAnirudh Venkataramanan 223437bb8390SAnirudh Venkataramanan /* set RSS capabilities */ 223537bb8390SAnirudh Venkataramanan ice_vsi_set_rss_params(vsi); 223637bb8390SAnirudh Venkataramanan 2237f9867df6SAnirudh Venkataramanan /* set TC configuration */ 2238c5a2a4a3SUsha Ketineni ice_vsi_set_tc_cfg(vsi); 2239c5a2a4a3SUsha Ketineni 224037bb8390SAnirudh Venkataramanan /* create the VSI */ 224137bb8390SAnirudh Venkataramanan ret = ice_vsi_init(vsi); 224237bb8390SAnirudh Venkataramanan if (ret) 224337bb8390SAnirudh Venkataramanan goto unroll_get_qs; 224437bb8390SAnirudh Venkataramanan 224537bb8390SAnirudh Venkataramanan switch (vsi->type) { 224637bb8390SAnirudh Venkataramanan case ICE_VSI_PF: 224737bb8390SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 224837bb8390SAnirudh Venkataramanan if (ret) 224937bb8390SAnirudh Venkataramanan goto unroll_vsi_init; 225037bb8390SAnirudh Venkataramanan 225137bb8390SAnirudh Venkataramanan ret = ice_vsi_setup_vector_base(vsi); 225237bb8390SAnirudh Venkataramanan if (ret) 225337bb8390SAnirudh Venkataramanan goto unroll_alloc_q_vector; 225437bb8390SAnirudh Venkataramanan 225537bb8390SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 225637bb8390SAnirudh Venkataramanan if (ret) 225737bb8390SAnirudh Venkataramanan goto unroll_vector_base; 225837bb8390SAnirudh Venkataramanan 225937bb8390SAnirudh Venkataramanan ice_vsi_map_rings_to_vectors(vsi); 226037bb8390SAnirudh Venkataramanan 226137bb8390SAnirudh Venkataramanan /* Do not exit if configuring RSS had an issue, at least 226237bb8390SAnirudh Venkataramanan * receive traffic on first queue. Hence no need to capture 226337bb8390SAnirudh Venkataramanan * return value 226437bb8390SAnirudh Venkataramanan */ 226537bb8390SAnirudh Venkataramanan if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 226637bb8390SAnirudh Venkataramanan ice_vsi_cfg_rss_lut_key(vsi); 226737bb8390SAnirudh Venkataramanan break; 22688ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 22698ede0178SAnirudh Venkataramanan /* VF driver will take care of creating netdev for this type and 22708ede0178SAnirudh Venkataramanan * map queues to vectors through Virtchnl, PF driver only 22718ede0178SAnirudh Venkataramanan * creates a VSI and corresponding structures for bookkeeping 22728ede0178SAnirudh Venkataramanan * purpose 22738ede0178SAnirudh Venkataramanan */ 22748ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 22758ede0178SAnirudh Venkataramanan if (ret) 22768ede0178SAnirudh Venkataramanan goto unroll_vsi_init; 22778ede0178SAnirudh Venkataramanan 22788ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 22798ede0178SAnirudh Venkataramanan if (ret) 22808ede0178SAnirudh Venkataramanan goto unroll_alloc_q_vector; 22818ede0178SAnirudh Venkataramanan 22828ede0178SAnirudh Venkataramanan /* Setup Vector base only during VF init phase or when VF asks 22838ede0178SAnirudh Venkataramanan * for more vectors than assigned number. In all other cases, 22848ede0178SAnirudh Venkataramanan * assign hw_base_vector to the value given earlier. 22858ede0178SAnirudh Venkataramanan */ 22868ede0178SAnirudh Venkataramanan if (test_bit(ICE_VF_STATE_CFG_INTR, pf->vf[vf_id].vf_states)) { 22878ede0178SAnirudh Venkataramanan ret = ice_vsi_setup_vector_base(vsi); 22888ede0178SAnirudh Venkataramanan if (ret) 22898ede0178SAnirudh Venkataramanan goto unroll_vector_base; 22908ede0178SAnirudh Venkataramanan } else { 22918ede0178SAnirudh Venkataramanan vsi->hw_base_vector = pf->vf[vf_id].first_vector_idx; 22928ede0178SAnirudh Venkataramanan } 22938ede0178SAnirudh Venkataramanan pf->q_left_tx -= vsi->alloc_txq; 22948ede0178SAnirudh Venkataramanan pf->q_left_rx -= vsi->alloc_rxq; 22958ede0178SAnirudh Venkataramanan break; 229637bb8390SAnirudh Venkataramanan default: 2297df17b7e0SAnirudh Venkataramanan /* clean up the resources and exit */ 229837bb8390SAnirudh Venkataramanan goto unroll_vsi_init; 229937bb8390SAnirudh Venkataramanan } 230037bb8390SAnirudh Venkataramanan 230137bb8390SAnirudh Venkataramanan /* configure VSI nodes based on number of queues and TC's */ 230237bb8390SAnirudh Venkataramanan for (i = 0; i < vsi->tc_cfg.numtc; i++) 2303c5a2a4a3SUsha Ketineni max_txqs[i] = pf->num_lan_tx; 230437bb8390SAnirudh Venkataramanan 23054fb33f31SAnirudh Venkataramanan ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 23064fb33f31SAnirudh Venkataramanan max_txqs); 230737bb8390SAnirudh Venkataramanan if (ret) { 230837bb8390SAnirudh Venkataramanan dev_info(&pf->pdev->dev, "Failed VSI lan queue config\n"); 230937bb8390SAnirudh Venkataramanan goto unroll_vector_base; 231037bb8390SAnirudh Venkataramanan } 231137bb8390SAnirudh Venkataramanan 231237bb8390SAnirudh Venkataramanan return vsi; 231337bb8390SAnirudh Venkataramanan 231437bb8390SAnirudh Venkataramanan unroll_vector_base: 2315eb0208ecSPreethi Banala /* reclaim SW interrupts back to the common pool */ 2316eb0208ecSPreethi Banala ice_free_res(vsi->back->sw_irq_tracker, vsi->sw_base_vector, vsi->idx); 2317eb0208ecSPreethi Banala pf->num_avail_sw_msix += vsi->num_q_vectors; 2318eb0208ecSPreethi Banala /* reclaim HW interrupt back to the common pool */ 2319eb0208ecSPreethi Banala ice_free_res(vsi->back->hw_irq_tracker, vsi->hw_base_vector, vsi->idx); 2320eb0208ecSPreethi Banala pf->num_avail_hw_msix += vsi->num_q_vectors; 232137bb8390SAnirudh Venkataramanan unroll_alloc_q_vector: 232237bb8390SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 232337bb8390SAnirudh Venkataramanan unroll_vsi_init: 232437bb8390SAnirudh Venkataramanan ice_vsi_delete(vsi); 232537bb8390SAnirudh Venkataramanan unroll_get_qs: 232637bb8390SAnirudh Venkataramanan ice_vsi_put_qs(vsi); 232737bb8390SAnirudh Venkataramanan pf->q_left_tx += vsi->alloc_txq; 232837bb8390SAnirudh Venkataramanan pf->q_left_rx += vsi->alloc_rxq; 232937bb8390SAnirudh Venkataramanan ice_vsi_clear(vsi); 233037bb8390SAnirudh Venkataramanan 233137bb8390SAnirudh Venkataramanan return NULL; 233237bb8390SAnirudh Venkataramanan } 233337bb8390SAnirudh Venkataramanan 233437bb8390SAnirudh Venkataramanan /** 23355153a18eSAnirudh Venkataramanan * ice_vsi_release_msix - Clear the queue to Interrupt mapping in HW 23365153a18eSAnirudh Venkataramanan * @vsi: the VSI being cleaned up 23375153a18eSAnirudh Venkataramanan */ 23385153a18eSAnirudh Venkataramanan static void ice_vsi_release_msix(struct ice_vsi *vsi) 23395153a18eSAnirudh Venkataramanan { 23405153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 2341eb0208ecSPreethi Banala u16 vector = vsi->hw_base_vector; 23425153a18eSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 23435153a18eSAnirudh Venkataramanan u32 txq = 0; 23445153a18eSAnirudh Venkataramanan u32 rxq = 0; 23455153a18eSAnirudh Venkataramanan int i, q; 23465153a18eSAnirudh Venkataramanan 23475153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->num_q_vectors; i++, vector++) { 23485153a18eSAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[i]; 23495153a18eSAnirudh Venkataramanan 2350d2b464a7SBrett Creeley wr32(hw, GLINT_ITR(ICE_IDX_ITR0, vector), 0); 2351d2b464a7SBrett Creeley wr32(hw, GLINT_ITR(ICE_IDX_ITR1, vector), 0); 23525153a18eSAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_tx; q++) { 23535153a18eSAnirudh Venkataramanan wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0); 23545153a18eSAnirudh Venkataramanan txq++; 23555153a18eSAnirudh Venkataramanan } 23565153a18eSAnirudh Venkataramanan 23575153a18eSAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_rx; q++) { 23585153a18eSAnirudh Venkataramanan wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), 0); 23595153a18eSAnirudh Venkataramanan rxq++; 23605153a18eSAnirudh Venkataramanan } 23615153a18eSAnirudh Venkataramanan } 23625153a18eSAnirudh Venkataramanan 23635153a18eSAnirudh Venkataramanan ice_flush(hw); 23645153a18eSAnirudh Venkataramanan } 23655153a18eSAnirudh Venkataramanan 23665153a18eSAnirudh Venkataramanan /** 23675153a18eSAnirudh Venkataramanan * ice_vsi_free_irq - Free the IRQ association with the OS 23685153a18eSAnirudh Venkataramanan * @vsi: the VSI being configured 23695153a18eSAnirudh Venkataramanan */ 23705153a18eSAnirudh Venkataramanan void ice_vsi_free_irq(struct ice_vsi *vsi) 23715153a18eSAnirudh Venkataramanan { 23725153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 2373eb0208ecSPreethi Banala int base = vsi->sw_base_vector; 23745153a18eSAnirudh Venkataramanan 23755153a18eSAnirudh Venkataramanan if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) { 23765153a18eSAnirudh Venkataramanan int i; 23775153a18eSAnirudh Venkataramanan 23785153a18eSAnirudh Venkataramanan if (!vsi->q_vectors || !vsi->irqs_ready) 23795153a18eSAnirudh Venkataramanan return; 23805153a18eSAnirudh Venkataramanan 2381eb0208ecSPreethi Banala ice_vsi_release_msix(vsi); 23828ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 23838ede0178SAnirudh Venkataramanan return; 2384eb0208ecSPreethi Banala 23855153a18eSAnirudh Venkataramanan vsi->irqs_ready = false; 23865153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->num_q_vectors; i++) { 23875153a18eSAnirudh Venkataramanan u16 vector = i + base; 23885153a18eSAnirudh Venkataramanan int irq_num; 23895153a18eSAnirudh Venkataramanan 23905153a18eSAnirudh Venkataramanan irq_num = pf->msix_entries[vector].vector; 23915153a18eSAnirudh Venkataramanan 23925153a18eSAnirudh Venkataramanan /* free only the irqs that were actually requested */ 23935153a18eSAnirudh Venkataramanan if (!vsi->q_vectors[i] || 23945153a18eSAnirudh Venkataramanan !(vsi->q_vectors[i]->num_ring_tx || 23955153a18eSAnirudh Venkataramanan vsi->q_vectors[i]->num_ring_rx)) 23965153a18eSAnirudh Venkataramanan continue; 23975153a18eSAnirudh Venkataramanan 23985153a18eSAnirudh Venkataramanan /* clear the affinity notifier in the IRQ descriptor */ 23995153a18eSAnirudh Venkataramanan irq_set_affinity_notifier(irq_num, NULL); 24005153a18eSAnirudh Venkataramanan 24015153a18eSAnirudh Venkataramanan /* clear the affinity_mask in the IRQ descriptor */ 24025153a18eSAnirudh Venkataramanan irq_set_affinity_hint(irq_num, NULL); 24035153a18eSAnirudh Venkataramanan synchronize_irq(irq_num); 24045153a18eSAnirudh Venkataramanan devm_free_irq(&pf->pdev->dev, irq_num, 24055153a18eSAnirudh Venkataramanan vsi->q_vectors[i]); 24065153a18eSAnirudh Venkataramanan } 24075153a18eSAnirudh Venkataramanan } 24085153a18eSAnirudh Venkataramanan } 24095153a18eSAnirudh Venkataramanan 24105153a18eSAnirudh Venkataramanan /** 24115153a18eSAnirudh Venkataramanan * ice_vsi_free_tx_rings - Free Tx resources for VSI queues 24125153a18eSAnirudh Venkataramanan * @vsi: the VSI having resources freed 24135153a18eSAnirudh Venkataramanan */ 24145153a18eSAnirudh Venkataramanan void ice_vsi_free_tx_rings(struct ice_vsi *vsi) 24155153a18eSAnirudh Venkataramanan { 24165153a18eSAnirudh Venkataramanan int i; 24175153a18eSAnirudh Venkataramanan 24185153a18eSAnirudh Venkataramanan if (!vsi->tx_rings) 24195153a18eSAnirudh Venkataramanan return; 24205153a18eSAnirudh Venkataramanan 24215153a18eSAnirudh Venkataramanan ice_for_each_txq(vsi, i) 24225153a18eSAnirudh Venkataramanan if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc) 24235153a18eSAnirudh Venkataramanan ice_free_tx_ring(vsi->tx_rings[i]); 24245153a18eSAnirudh Venkataramanan } 24255153a18eSAnirudh Venkataramanan 24265153a18eSAnirudh Venkataramanan /** 24275153a18eSAnirudh Venkataramanan * ice_vsi_free_rx_rings - Free Rx resources for VSI queues 24285153a18eSAnirudh Venkataramanan * @vsi: the VSI having resources freed 24295153a18eSAnirudh Venkataramanan */ 24305153a18eSAnirudh Venkataramanan void ice_vsi_free_rx_rings(struct ice_vsi *vsi) 24315153a18eSAnirudh Venkataramanan { 24325153a18eSAnirudh Venkataramanan int i; 24335153a18eSAnirudh Venkataramanan 24345153a18eSAnirudh Venkataramanan if (!vsi->rx_rings) 24355153a18eSAnirudh Venkataramanan return; 24365153a18eSAnirudh Venkataramanan 24375153a18eSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) 24385153a18eSAnirudh Venkataramanan if (vsi->rx_rings[i] && vsi->rx_rings[i]->desc) 24395153a18eSAnirudh Venkataramanan ice_free_rx_ring(vsi->rx_rings[i]); 24405153a18eSAnirudh Venkataramanan } 24415153a18eSAnirudh Venkataramanan 24425153a18eSAnirudh Venkataramanan /** 244307309a0eSAnirudh Venkataramanan * ice_vsi_close - Shut down a VSI 244407309a0eSAnirudh Venkataramanan * @vsi: the VSI being shut down 244507309a0eSAnirudh Venkataramanan */ 244607309a0eSAnirudh Venkataramanan void ice_vsi_close(struct ice_vsi *vsi) 244707309a0eSAnirudh Venkataramanan { 244807309a0eSAnirudh Venkataramanan if (!test_and_set_bit(__ICE_DOWN, vsi->state)) 244907309a0eSAnirudh Venkataramanan ice_down(vsi); 245007309a0eSAnirudh Venkataramanan 245107309a0eSAnirudh Venkataramanan ice_vsi_free_irq(vsi); 245207309a0eSAnirudh Venkataramanan ice_vsi_free_tx_rings(vsi); 245307309a0eSAnirudh Venkataramanan ice_vsi_free_rx_rings(vsi); 245407309a0eSAnirudh Venkataramanan } 245507309a0eSAnirudh Venkataramanan 245607309a0eSAnirudh Venkataramanan /** 24575153a18eSAnirudh Venkataramanan * ice_free_res - free a block of resources 24585153a18eSAnirudh Venkataramanan * @res: pointer to the resource 24595153a18eSAnirudh Venkataramanan * @index: starting index previously returned by ice_get_res 24605153a18eSAnirudh Venkataramanan * @id: identifier to track owner 24615153a18eSAnirudh Venkataramanan * 24625153a18eSAnirudh Venkataramanan * Returns number of resources freed 24635153a18eSAnirudh Venkataramanan */ 24645153a18eSAnirudh Venkataramanan int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id) 24655153a18eSAnirudh Venkataramanan { 24665153a18eSAnirudh Venkataramanan int count = 0; 24675153a18eSAnirudh Venkataramanan int i; 24685153a18eSAnirudh Venkataramanan 24695153a18eSAnirudh Venkataramanan if (!res || index >= res->num_entries) 24705153a18eSAnirudh Venkataramanan return -EINVAL; 24715153a18eSAnirudh Venkataramanan 24725153a18eSAnirudh Venkataramanan id |= ICE_RES_VALID_BIT; 24735153a18eSAnirudh Venkataramanan for (i = index; i < res->num_entries && res->list[i] == id; i++) { 24745153a18eSAnirudh Venkataramanan res->list[i] = 0; 24755153a18eSAnirudh Venkataramanan count++; 24765153a18eSAnirudh Venkataramanan } 24775153a18eSAnirudh Venkataramanan 24785153a18eSAnirudh Venkataramanan return count; 24795153a18eSAnirudh Venkataramanan } 24805153a18eSAnirudh Venkataramanan 24815153a18eSAnirudh Venkataramanan /** 24825153a18eSAnirudh Venkataramanan * ice_search_res - Search the tracker for a block of resources 24835153a18eSAnirudh Venkataramanan * @res: pointer to the resource 24845153a18eSAnirudh Venkataramanan * @needed: size of the block needed 24855153a18eSAnirudh Venkataramanan * @id: identifier to track owner 24865153a18eSAnirudh Venkataramanan * 24875153a18eSAnirudh Venkataramanan * Returns the base item index of the block, or -ENOMEM for error 24885153a18eSAnirudh Venkataramanan */ 24895153a18eSAnirudh Venkataramanan static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id) 24905153a18eSAnirudh Venkataramanan { 24915153a18eSAnirudh Venkataramanan int start = res->search_hint; 24925153a18eSAnirudh Venkataramanan int end = start; 24935153a18eSAnirudh Venkataramanan 2494eb0208ecSPreethi Banala if ((start + needed) > res->num_entries) 2495eb0208ecSPreethi Banala return -ENOMEM; 2496eb0208ecSPreethi Banala 24975153a18eSAnirudh Venkataramanan id |= ICE_RES_VALID_BIT; 24985153a18eSAnirudh Venkataramanan 24995153a18eSAnirudh Venkataramanan do { 25005153a18eSAnirudh Venkataramanan /* skip already allocated entries */ 25015153a18eSAnirudh Venkataramanan if (res->list[end++] & ICE_RES_VALID_BIT) { 25025153a18eSAnirudh Venkataramanan start = end; 25035153a18eSAnirudh Venkataramanan if ((start + needed) > res->num_entries) 25045153a18eSAnirudh Venkataramanan break; 25055153a18eSAnirudh Venkataramanan } 25065153a18eSAnirudh Venkataramanan 25075153a18eSAnirudh Venkataramanan if (end == (start + needed)) { 25085153a18eSAnirudh Venkataramanan int i = start; 25095153a18eSAnirudh Venkataramanan 25105153a18eSAnirudh Venkataramanan /* there was enough, so assign it to the requestor */ 25115153a18eSAnirudh Venkataramanan while (i != end) 25125153a18eSAnirudh Venkataramanan res->list[i++] = id; 25135153a18eSAnirudh Venkataramanan 25145153a18eSAnirudh Venkataramanan if (end == res->num_entries) 25155153a18eSAnirudh Venkataramanan end = 0; 25165153a18eSAnirudh Venkataramanan 25175153a18eSAnirudh Venkataramanan res->search_hint = end; 25185153a18eSAnirudh Venkataramanan return start; 25195153a18eSAnirudh Venkataramanan } 25205153a18eSAnirudh Venkataramanan } while (1); 25215153a18eSAnirudh Venkataramanan 25225153a18eSAnirudh Venkataramanan return -ENOMEM; 25235153a18eSAnirudh Venkataramanan } 25245153a18eSAnirudh Venkataramanan 25255153a18eSAnirudh Venkataramanan /** 25265153a18eSAnirudh Venkataramanan * ice_get_res - get a block of resources 25275153a18eSAnirudh Venkataramanan * @pf: board private structure 25285153a18eSAnirudh Venkataramanan * @res: pointer to the resource 25295153a18eSAnirudh Venkataramanan * @needed: size of the block needed 25305153a18eSAnirudh Venkataramanan * @id: identifier to track owner 25315153a18eSAnirudh Venkataramanan * 25325153a18eSAnirudh Venkataramanan * Returns the base item index of the block, or -ENOMEM for error 25335153a18eSAnirudh Venkataramanan * The search_hint trick and lack of advanced fit-finding only works 25345153a18eSAnirudh Venkataramanan * because we're highly likely to have all the same sized requests. 25355153a18eSAnirudh Venkataramanan * Linear search time and any fragmentation should be minimal. 25365153a18eSAnirudh Venkataramanan */ 25375153a18eSAnirudh Venkataramanan int 25385153a18eSAnirudh Venkataramanan ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id) 25395153a18eSAnirudh Venkataramanan { 25405153a18eSAnirudh Venkataramanan int ret; 25415153a18eSAnirudh Venkataramanan 25425153a18eSAnirudh Venkataramanan if (!res || !pf) 25435153a18eSAnirudh Venkataramanan return -EINVAL; 25445153a18eSAnirudh Venkataramanan 25455153a18eSAnirudh Venkataramanan if (!needed || needed > res->num_entries || id >= ICE_RES_VALID_BIT) { 25465153a18eSAnirudh Venkataramanan dev_err(&pf->pdev->dev, 25475153a18eSAnirudh Venkataramanan "param err: needed=%d, num_entries = %d id=0x%04x\n", 25485153a18eSAnirudh Venkataramanan needed, res->num_entries, id); 25495153a18eSAnirudh Venkataramanan return -EINVAL; 25505153a18eSAnirudh Venkataramanan } 25515153a18eSAnirudh Venkataramanan 25525153a18eSAnirudh Venkataramanan /* search based on search_hint */ 25535153a18eSAnirudh Venkataramanan ret = ice_search_res(res, needed, id); 25545153a18eSAnirudh Venkataramanan 25555153a18eSAnirudh Venkataramanan if (ret < 0) { 25565153a18eSAnirudh Venkataramanan /* previous search failed. Reset search hint and try again */ 25575153a18eSAnirudh Venkataramanan res->search_hint = 0; 25585153a18eSAnirudh Venkataramanan ret = ice_search_res(res, needed, id); 25595153a18eSAnirudh Venkataramanan } 25605153a18eSAnirudh Venkataramanan 25615153a18eSAnirudh Venkataramanan return ret; 25625153a18eSAnirudh Venkataramanan } 25635153a18eSAnirudh Venkataramanan 25645153a18eSAnirudh Venkataramanan /** 25655153a18eSAnirudh Venkataramanan * ice_vsi_dis_irq - Mask off queue interrupt generation on the VSI 25665153a18eSAnirudh Venkataramanan * @vsi: the VSI being un-configured 25675153a18eSAnirudh Venkataramanan */ 25685153a18eSAnirudh Venkataramanan void ice_vsi_dis_irq(struct ice_vsi *vsi) 25695153a18eSAnirudh Venkataramanan { 2570eb0208ecSPreethi Banala int base = vsi->sw_base_vector; 25715153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 25725153a18eSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 25735153a18eSAnirudh Venkataramanan u32 val; 25745153a18eSAnirudh Venkataramanan int i; 25755153a18eSAnirudh Venkataramanan 25765153a18eSAnirudh Venkataramanan /* disable interrupt causation from each queue */ 25775153a18eSAnirudh Venkataramanan if (vsi->tx_rings) { 25785153a18eSAnirudh Venkataramanan ice_for_each_txq(vsi, i) { 25795153a18eSAnirudh Venkataramanan if (vsi->tx_rings[i]) { 25805153a18eSAnirudh Venkataramanan u16 reg; 25815153a18eSAnirudh Venkataramanan 25825153a18eSAnirudh Venkataramanan reg = vsi->tx_rings[i]->reg_idx; 25835153a18eSAnirudh Venkataramanan val = rd32(hw, QINT_TQCTL(reg)); 25845153a18eSAnirudh Venkataramanan val &= ~QINT_TQCTL_CAUSE_ENA_M; 25855153a18eSAnirudh Venkataramanan wr32(hw, QINT_TQCTL(reg), val); 25865153a18eSAnirudh Venkataramanan } 25875153a18eSAnirudh Venkataramanan } 25885153a18eSAnirudh Venkataramanan } 25895153a18eSAnirudh Venkataramanan 25905153a18eSAnirudh Venkataramanan if (vsi->rx_rings) { 25915153a18eSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) { 25925153a18eSAnirudh Venkataramanan if (vsi->rx_rings[i]) { 25935153a18eSAnirudh Venkataramanan u16 reg; 25945153a18eSAnirudh Venkataramanan 25955153a18eSAnirudh Venkataramanan reg = vsi->rx_rings[i]->reg_idx; 25965153a18eSAnirudh Venkataramanan val = rd32(hw, QINT_RQCTL(reg)); 25975153a18eSAnirudh Venkataramanan val &= ~QINT_RQCTL_CAUSE_ENA_M; 25985153a18eSAnirudh Venkataramanan wr32(hw, QINT_RQCTL(reg), val); 25995153a18eSAnirudh Venkataramanan } 26005153a18eSAnirudh Venkataramanan } 26015153a18eSAnirudh Venkataramanan } 26025153a18eSAnirudh Venkataramanan 26035153a18eSAnirudh Venkataramanan /* disable each interrupt */ 26045153a18eSAnirudh Venkataramanan if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) { 2605eb0208ecSPreethi Banala for (i = vsi->hw_base_vector; 2606eb0208ecSPreethi Banala i < (vsi->num_q_vectors + vsi->hw_base_vector); i++) 26075153a18eSAnirudh Venkataramanan wr32(hw, GLINT_DYN_CTL(i), 0); 26085153a18eSAnirudh Venkataramanan 26095153a18eSAnirudh Venkataramanan ice_flush(hw); 26105153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->num_q_vectors; i++) 26115153a18eSAnirudh Venkataramanan synchronize_irq(pf->msix_entries[i + base].vector); 26125153a18eSAnirudh Venkataramanan } 26135153a18eSAnirudh Venkataramanan } 26145153a18eSAnirudh Venkataramanan 26155153a18eSAnirudh Venkataramanan /** 2616df0f8479SAnirudh Venkataramanan * ice_vsi_release - Delete a VSI and free its resources 2617df0f8479SAnirudh Venkataramanan * @vsi: the VSI being removed 2618df0f8479SAnirudh Venkataramanan * 2619df0f8479SAnirudh Venkataramanan * Returns 0 on success or < 0 on error 2620df0f8479SAnirudh Venkataramanan */ 2621df0f8479SAnirudh Venkataramanan int ice_vsi_release(struct ice_vsi *vsi) 2622df0f8479SAnirudh Venkataramanan { 2623b751930cSBrett Creeley struct ice_vf *vf = NULL; 2624df0f8479SAnirudh Venkataramanan struct ice_pf *pf; 2625df0f8479SAnirudh Venkataramanan 2626df0f8479SAnirudh Venkataramanan if (!vsi->back) 2627df0f8479SAnirudh Venkataramanan return -ENODEV; 2628df0f8479SAnirudh Venkataramanan pf = vsi->back; 2629b751930cSBrett Creeley 2630b751930cSBrett Creeley if (vsi->type == ICE_VSI_VF) 26318ede0178SAnirudh Venkataramanan vf = &pf->vf[vsi->vf_id]; 2632df0f8479SAnirudh Venkataramanan /* do not unregister and free netdevs while driver is in the reset 2633df0f8479SAnirudh Venkataramanan * recovery pending state. Since reset/rebuild happens through PF 2634df0f8479SAnirudh Venkataramanan * service task workqueue, its not a good idea to unregister netdev 2635df0f8479SAnirudh Venkataramanan * that is associated to the PF that is running the work queue items 2636df0f8479SAnirudh Venkataramanan * currently. This is done to avoid check_flush_dependency() warning 2637df0f8479SAnirudh Venkataramanan * on this wq 2638df0f8479SAnirudh Venkataramanan */ 26395df7e45dSDave Ertman if (vsi->netdev && !ice_is_reset_in_progress(pf->state)) { 264025525b69SDave Ertman ice_napi_del(vsi); 2641df0f8479SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 2642df0f8479SAnirudh Venkataramanan free_netdev(vsi->netdev); 2643df0f8479SAnirudh Venkataramanan vsi->netdev = NULL; 2644df0f8479SAnirudh Venkataramanan } 2645df0f8479SAnirudh Venkataramanan 2646df0f8479SAnirudh Venkataramanan if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 2647df0f8479SAnirudh Venkataramanan ice_rss_clean(vsi); 2648df0f8479SAnirudh Venkataramanan 2649df0f8479SAnirudh Venkataramanan /* Disable VSI and free resources */ 2650df0f8479SAnirudh Venkataramanan ice_vsi_dis_irq(vsi); 2651df0f8479SAnirudh Venkataramanan ice_vsi_close(vsi); 2652df0f8479SAnirudh Venkataramanan 2653df0f8479SAnirudh Venkataramanan /* reclaim interrupt vectors back to PF */ 26548ede0178SAnirudh Venkataramanan if (vsi->type != ICE_VSI_VF) { 26558ede0178SAnirudh Venkataramanan /* reclaim SW interrupts back to the common pool */ 26568ede0178SAnirudh Venkataramanan ice_free_res(vsi->back->sw_irq_tracker, vsi->sw_base_vector, 26578ede0178SAnirudh Venkataramanan vsi->idx); 2658eb0208ecSPreethi Banala pf->num_avail_sw_msix += vsi->num_q_vectors; 26598ede0178SAnirudh Venkataramanan /* reclaim HW interrupts back to the common pool */ 26608ede0178SAnirudh Venkataramanan ice_free_res(vsi->back->hw_irq_tracker, vsi->hw_base_vector, 26618ede0178SAnirudh Venkataramanan vsi->idx); 2662eb0208ecSPreethi Banala pf->num_avail_hw_msix += vsi->num_q_vectors; 26638ede0178SAnirudh Venkataramanan } else if (test_bit(ICE_VF_STATE_CFG_INTR, vf->vf_states)) { 26648ede0178SAnirudh Venkataramanan /* Reclaim VF resources back only while freeing all VFs or 26658ede0178SAnirudh Venkataramanan * vector reassignment is requested 26668ede0178SAnirudh Venkataramanan */ 26678ede0178SAnirudh Venkataramanan ice_free_res(vsi->back->hw_irq_tracker, vf->first_vector_idx, 26688ede0178SAnirudh Venkataramanan vsi->idx); 26698ede0178SAnirudh Venkataramanan pf->num_avail_hw_msix += pf->num_vf_msix; 26708ede0178SAnirudh Venkataramanan } 2671df0f8479SAnirudh Venkataramanan 26725726ca0eSAnirudh Venkataramanan ice_remove_vsi_fltr(&pf->hw, vsi->idx); 267310e03a22SAnirudh Venkataramanan ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); 2674df0f8479SAnirudh Venkataramanan ice_vsi_delete(vsi); 2675df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 2676df0f8479SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 2677df0f8479SAnirudh Venkataramanan 2678df0f8479SAnirudh Venkataramanan ice_vsi_put_qs(vsi); 2679df0f8479SAnirudh Venkataramanan pf->q_left_tx += vsi->alloc_txq; 2680df0f8479SAnirudh Venkataramanan pf->q_left_rx += vsi->alloc_rxq; 2681df0f8479SAnirudh Venkataramanan 2682df0f8479SAnirudh Venkataramanan /* retain SW VSI data structure since it is needed to unregister and 2683df0f8479SAnirudh Venkataramanan * free VSI netdev when PF is not in reset recovery pending state,\ 2684df0f8479SAnirudh Venkataramanan * for ex: during rmmod. 2685df0f8479SAnirudh Venkataramanan */ 26865df7e45dSDave Ertman if (!ice_is_reset_in_progress(pf->state)) 2687df0f8479SAnirudh Venkataramanan ice_vsi_clear(vsi); 2688df0f8479SAnirudh Venkataramanan 2689df0f8479SAnirudh Venkataramanan return 0; 2690df0f8479SAnirudh Venkataramanan } 2691df0f8479SAnirudh Venkataramanan 2692df0f8479SAnirudh Venkataramanan /** 2693df0f8479SAnirudh Venkataramanan * ice_vsi_rebuild - Rebuild VSI after reset 2694df0f8479SAnirudh Venkataramanan * @vsi: VSI to be rebuild 2695df0f8479SAnirudh Venkataramanan * 2696df0f8479SAnirudh Venkataramanan * Returns 0 on success and negative value on failure 2697df0f8479SAnirudh Venkataramanan */ 2698df0f8479SAnirudh Venkataramanan int ice_vsi_rebuild(struct ice_vsi *vsi) 2699df0f8479SAnirudh Venkataramanan { 2700df0f8479SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 27017eeac889SAkeem G Abodunrin struct ice_vf *vf = NULL; 2702c5a2a4a3SUsha Ketineni struct ice_pf *pf; 2703df0f8479SAnirudh Venkataramanan int ret, i; 2704df0f8479SAnirudh Venkataramanan 2705df0f8479SAnirudh Venkataramanan if (!vsi) 2706df0f8479SAnirudh Venkataramanan return -EINVAL; 2707df0f8479SAnirudh Venkataramanan 2708c5a2a4a3SUsha Ketineni pf = vsi->back; 27097eeac889SAkeem G Abodunrin if (vsi->type == ICE_VSI_VF) 27107eeac889SAkeem G Abodunrin vf = &pf->vf[vsi->vf_id]; 27117eeac889SAkeem G Abodunrin 271247e3e53cSHenry Tieman ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); 2713df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 27147eeac889SAkeem G Abodunrin 27157eeac889SAkeem G Abodunrin if (vsi->type != ICE_VSI_VF) { 27167eeac889SAkeem G Abodunrin /* reclaim SW interrupts back to the common pool */ 27177eeac889SAkeem G Abodunrin ice_free_res(pf->sw_irq_tracker, vsi->sw_base_vector, vsi->idx); 27187eeac889SAkeem G Abodunrin pf->num_avail_sw_msix += vsi->num_q_vectors; 2719eb0208ecSPreethi Banala vsi->sw_base_vector = 0; 27207eeac889SAkeem G Abodunrin /* reclaim HW interrupts back to the common pool */ 27217eeac889SAkeem G Abodunrin ice_free_res(pf->hw_irq_tracker, vsi->hw_base_vector, 27227eeac889SAkeem G Abodunrin vsi->idx); 27237eeac889SAkeem G Abodunrin pf->num_avail_hw_msix += vsi->num_q_vectors; 27247eeac889SAkeem G Abodunrin } else { 27257eeac889SAkeem G Abodunrin /* Reclaim VF resources back to the common pool for reset and 27267eeac889SAkeem G Abodunrin * and rebuild, with vector reassignment 27277eeac889SAkeem G Abodunrin */ 27287eeac889SAkeem G Abodunrin ice_free_res(pf->hw_irq_tracker, vf->first_vector_idx, 27297eeac889SAkeem G Abodunrin vsi->idx); 27307eeac889SAkeem G Abodunrin pf->num_avail_hw_msix += pf->num_vf_msix; 27317eeac889SAkeem G Abodunrin } 2732eb0208ecSPreethi Banala vsi->hw_base_vector = 0; 27337eeac889SAkeem G Abodunrin 2734df0f8479SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 2735df0f8479SAnirudh Venkataramanan ice_vsi_free_arrays(vsi, false); 2736f203dca3SAnirudh Venkataramanan ice_dev_onetime_setup(&vsi->back->hw); 27375743020dSAkeem G Abodunrin if (vsi->type == ICE_VSI_VF) 27385743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, vf->vf_id); 27395743020dSAkeem G Abodunrin else 27405743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID); 2741c5a2a4a3SUsha Ketineni ice_vsi_set_tc_cfg(vsi); 2742df0f8479SAnirudh Venkataramanan 2743df0f8479SAnirudh Venkataramanan /* Initialize VSI struct elements and create VSI in FW */ 2744df0f8479SAnirudh Venkataramanan ret = ice_vsi_init(vsi); 2745df0f8479SAnirudh Venkataramanan if (ret < 0) 2746df0f8479SAnirudh Venkataramanan goto err_vsi; 2747df0f8479SAnirudh Venkataramanan 2748df0f8479SAnirudh Venkataramanan ret = ice_vsi_alloc_arrays(vsi, false); 2749df0f8479SAnirudh Venkataramanan if (ret < 0) 2750df0f8479SAnirudh Venkataramanan goto err_vsi; 2751df0f8479SAnirudh Venkataramanan 2752df0f8479SAnirudh Venkataramanan switch (vsi->type) { 2753df0f8479SAnirudh Venkataramanan case ICE_VSI_PF: 2754df0f8479SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 2755df0f8479SAnirudh Venkataramanan if (ret) 2756df0f8479SAnirudh Venkataramanan goto err_rings; 2757df0f8479SAnirudh Venkataramanan 2758df0f8479SAnirudh Venkataramanan ret = ice_vsi_setup_vector_base(vsi); 2759df0f8479SAnirudh Venkataramanan if (ret) 2760df0f8479SAnirudh Venkataramanan goto err_vectors; 2761df0f8479SAnirudh Venkataramanan 2762df0f8479SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 2763df0f8479SAnirudh Venkataramanan if (ret) 2764df0f8479SAnirudh Venkataramanan goto err_vectors; 2765df0f8479SAnirudh Venkataramanan 2766df0f8479SAnirudh Venkataramanan ice_vsi_map_rings_to_vectors(vsi); 276727a98affSMd Fahad Iqbal Polash /* Do not exit if configuring RSS had an issue, at least 276827a98affSMd Fahad Iqbal Polash * receive traffic on first queue. Hence no need to capture 276927a98affSMd Fahad Iqbal Polash * return value 277027a98affSMd Fahad Iqbal Polash */ 277127a98affSMd Fahad Iqbal Polash if (test_bit(ICE_FLAG_RSS_ENA, vsi->back->flags)) 277227a98affSMd Fahad Iqbal Polash ice_vsi_cfg_rss_lut_key(vsi); 2773df0f8479SAnirudh Venkataramanan break; 27748ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 27758ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 27768ede0178SAnirudh Venkataramanan if (ret) 27778ede0178SAnirudh Venkataramanan goto err_rings; 27788ede0178SAnirudh Venkataramanan 27798ede0178SAnirudh Venkataramanan ret = ice_vsi_setup_vector_base(vsi); 27808ede0178SAnirudh Venkataramanan if (ret) 27818ede0178SAnirudh Venkataramanan goto err_vectors; 27828ede0178SAnirudh Venkataramanan 27838ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 27848ede0178SAnirudh Venkataramanan if (ret) 27858ede0178SAnirudh Venkataramanan goto err_vectors; 27868ede0178SAnirudh Venkataramanan 27878ede0178SAnirudh Venkataramanan vsi->back->q_left_tx -= vsi->alloc_txq; 27888ede0178SAnirudh Venkataramanan vsi->back->q_left_rx -= vsi->alloc_rxq; 27898ede0178SAnirudh Venkataramanan break; 2790df0f8479SAnirudh Venkataramanan default: 2791df0f8479SAnirudh Venkataramanan break; 2792df0f8479SAnirudh Venkataramanan } 2793df0f8479SAnirudh Venkataramanan 2794df0f8479SAnirudh Venkataramanan /* configure VSI nodes based on number of queues and TC's */ 2795df0f8479SAnirudh Venkataramanan for (i = 0; i < vsi->tc_cfg.numtc; i++) 2796c5a2a4a3SUsha Ketineni max_txqs[i] = pf->num_lan_tx; 2797df0f8479SAnirudh Venkataramanan 27984fb33f31SAnirudh Venkataramanan ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 27994fb33f31SAnirudh Venkataramanan max_txqs); 2800df0f8479SAnirudh Venkataramanan if (ret) { 2801df0f8479SAnirudh Venkataramanan dev_info(&vsi->back->pdev->dev, 2802df0f8479SAnirudh Venkataramanan "Failed VSI lan queue config\n"); 2803df0f8479SAnirudh Venkataramanan goto err_vectors; 2804df0f8479SAnirudh Venkataramanan } 2805df0f8479SAnirudh Venkataramanan return 0; 2806df0f8479SAnirudh Venkataramanan 2807df0f8479SAnirudh Venkataramanan err_vectors: 2808df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 2809df0f8479SAnirudh Venkataramanan err_rings: 2810df0f8479SAnirudh Venkataramanan if (vsi->netdev) { 2811df0f8479SAnirudh Venkataramanan vsi->current_netdev_flags = 0; 2812df0f8479SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 2813df0f8479SAnirudh Venkataramanan free_netdev(vsi->netdev); 2814df0f8479SAnirudh Venkataramanan vsi->netdev = NULL; 2815df0f8479SAnirudh Venkataramanan } 2816df0f8479SAnirudh Venkataramanan err_vsi: 2817df0f8479SAnirudh Venkataramanan ice_vsi_clear(vsi); 2818df0f8479SAnirudh Venkataramanan set_bit(__ICE_RESET_FAILED, vsi->back->state); 2819df0f8479SAnirudh Venkataramanan return ret; 2820df0f8479SAnirudh Venkataramanan } 2821df0f8479SAnirudh Venkataramanan 2822df0f8479SAnirudh Venkataramanan /** 28235df7e45dSDave Ertman * ice_is_reset_in_progress - check for a reset in progress 28245153a18eSAnirudh Venkataramanan * @state: pf state field 28255153a18eSAnirudh Venkataramanan */ 28265df7e45dSDave Ertman bool ice_is_reset_in_progress(unsigned long *state) 28275153a18eSAnirudh Venkataramanan { 28285df7e45dSDave Ertman return test_bit(__ICE_RESET_OICR_RECV, state) || 28295df7e45dSDave Ertman test_bit(__ICE_PFR_REQ, state) || 28305df7e45dSDave Ertman test_bit(__ICE_CORER_REQ, state) || 28315df7e45dSDave Ertman test_bit(__ICE_GLOBR_REQ, state); 28325153a18eSAnirudh Venkataramanan } 28337b9ffc76SAnirudh Venkataramanan 28347b9ffc76SAnirudh Venkataramanan #ifdef CONFIG_DCB 28357b9ffc76SAnirudh Venkataramanan /** 28367b9ffc76SAnirudh Venkataramanan * ice_vsi_update_q_map - update our copy of the VSI info with new queue map 28377b9ffc76SAnirudh Venkataramanan * @vsi: VSI being configured 28387b9ffc76SAnirudh Venkataramanan * @ctx: the context buffer returned from AQ VSI update command 28397b9ffc76SAnirudh Venkataramanan */ 28407b9ffc76SAnirudh Venkataramanan static void ice_vsi_update_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctx) 28417b9ffc76SAnirudh Venkataramanan { 28427b9ffc76SAnirudh Venkataramanan vsi->info.mapping_flags = ctx->info.mapping_flags; 28437b9ffc76SAnirudh Venkataramanan memcpy(&vsi->info.q_mapping, &ctx->info.q_mapping, 28447b9ffc76SAnirudh Venkataramanan sizeof(vsi->info.q_mapping)); 28457b9ffc76SAnirudh Venkataramanan memcpy(&vsi->info.tc_mapping, ctx->info.tc_mapping, 28467b9ffc76SAnirudh Venkataramanan sizeof(vsi->info.tc_mapping)); 28477b9ffc76SAnirudh Venkataramanan } 28487b9ffc76SAnirudh Venkataramanan 28497b9ffc76SAnirudh Venkataramanan /** 28507b9ffc76SAnirudh Venkataramanan * ice_vsi_cfg_netdev_tc - Setup the netdev TC configuration 28517b9ffc76SAnirudh Venkataramanan * @vsi: the VSI being configured 28527b9ffc76SAnirudh Venkataramanan * @ena_tc: TC map to be enabled 28537b9ffc76SAnirudh Venkataramanan */ 28547b9ffc76SAnirudh Venkataramanan static void ice_vsi_cfg_netdev_tc(struct ice_vsi *vsi, u8 ena_tc) 28557b9ffc76SAnirudh Venkataramanan { 28567b9ffc76SAnirudh Venkataramanan struct net_device *netdev = vsi->netdev; 28577b9ffc76SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 28587b9ffc76SAnirudh Venkataramanan struct ice_dcbx_cfg *dcbcfg; 28597b9ffc76SAnirudh Venkataramanan u8 netdev_tc; 28607b9ffc76SAnirudh Venkataramanan int i; 28617b9ffc76SAnirudh Venkataramanan 28627b9ffc76SAnirudh Venkataramanan if (!netdev) 28637b9ffc76SAnirudh Venkataramanan return; 28647b9ffc76SAnirudh Venkataramanan 28657b9ffc76SAnirudh Venkataramanan if (!ena_tc) { 28667b9ffc76SAnirudh Venkataramanan netdev_reset_tc(netdev); 28677b9ffc76SAnirudh Venkataramanan return; 28687b9ffc76SAnirudh Venkataramanan } 28697b9ffc76SAnirudh Venkataramanan 28707b9ffc76SAnirudh Venkataramanan if (netdev_set_num_tc(netdev, vsi->tc_cfg.numtc)) 28717b9ffc76SAnirudh Venkataramanan return; 28727b9ffc76SAnirudh Venkataramanan 28737b9ffc76SAnirudh Venkataramanan dcbcfg = &pf->hw.port_info->local_dcbx_cfg; 28747b9ffc76SAnirudh Venkataramanan 28757b9ffc76SAnirudh Venkataramanan ice_for_each_traffic_class(i) 28767b9ffc76SAnirudh Venkataramanan if (vsi->tc_cfg.ena_tc & BIT(i)) 28777b9ffc76SAnirudh Venkataramanan netdev_set_tc_queue(netdev, 28787b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].netdev_tc, 28797b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qcount_tx, 28807b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qoffset); 28817b9ffc76SAnirudh Venkataramanan 28827b9ffc76SAnirudh Venkataramanan for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 28837b9ffc76SAnirudh Venkataramanan u8 ets_tc = dcbcfg->etscfg.prio_table[i]; 28847b9ffc76SAnirudh Venkataramanan 28857b9ffc76SAnirudh Venkataramanan /* Get the mapped netdev TC# for the UP */ 28867b9ffc76SAnirudh Venkataramanan netdev_tc = vsi->tc_cfg.tc_info[ets_tc].netdev_tc; 28877b9ffc76SAnirudh Venkataramanan netdev_set_prio_tc_map(netdev, i, netdev_tc); 28887b9ffc76SAnirudh Venkataramanan } 28897b9ffc76SAnirudh Venkataramanan } 28907b9ffc76SAnirudh Venkataramanan 28917b9ffc76SAnirudh Venkataramanan /** 28927b9ffc76SAnirudh Venkataramanan * ice_vsi_cfg_tc - Configure VSI Tx Sched for given TC map 28937b9ffc76SAnirudh Venkataramanan * @vsi: VSI to be configured 28947b9ffc76SAnirudh Venkataramanan * @ena_tc: TC bitmap 28957b9ffc76SAnirudh Venkataramanan * 28967b9ffc76SAnirudh Venkataramanan * VSI queues expected to be quiesced before calling this function 28977b9ffc76SAnirudh Venkataramanan */ 28987b9ffc76SAnirudh Venkataramanan int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc) 28997b9ffc76SAnirudh Venkataramanan { 29007b9ffc76SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 29017b9ffc76SAnirudh Venkataramanan struct ice_vsi_ctx *ctx; 29027b9ffc76SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 29037b9ffc76SAnirudh Venkataramanan enum ice_status status; 29047b9ffc76SAnirudh Venkataramanan int i, ret = 0; 29057b9ffc76SAnirudh Venkataramanan u8 num_tc = 0; 29067b9ffc76SAnirudh Venkataramanan 29077b9ffc76SAnirudh Venkataramanan ice_for_each_traffic_class(i) { 29087b9ffc76SAnirudh Venkataramanan /* build bitmap of enabled TCs */ 29097b9ffc76SAnirudh Venkataramanan if (ena_tc & BIT(i)) 29107b9ffc76SAnirudh Venkataramanan num_tc++; 29117b9ffc76SAnirudh Venkataramanan /* populate max_txqs per TC */ 29127b9ffc76SAnirudh Venkataramanan max_txqs[i] = pf->num_lan_tx; 29137b9ffc76SAnirudh Venkataramanan } 29147b9ffc76SAnirudh Venkataramanan 29157b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.ena_tc = ena_tc; 29167b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.numtc = num_tc; 29177b9ffc76SAnirudh Venkataramanan 29187b9ffc76SAnirudh Venkataramanan ctx = devm_kzalloc(&pf->pdev->dev, sizeof(*ctx), GFP_KERNEL); 29197b9ffc76SAnirudh Venkataramanan if (!ctx) 29207b9ffc76SAnirudh Venkataramanan return -ENOMEM; 29217b9ffc76SAnirudh Venkataramanan 29227b9ffc76SAnirudh Venkataramanan ctx->vf_num = 0; 29237b9ffc76SAnirudh Venkataramanan ctx->info = vsi->info; 29247b9ffc76SAnirudh Venkataramanan 29257b9ffc76SAnirudh Venkataramanan ice_vsi_setup_q_map(vsi, ctx); 29267b9ffc76SAnirudh Venkataramanan 29277b9ffc76SAnirudh Venkataramanan /* must to indicate which section of VSI context are being modified */ 29287b9ffc76SAnirudh Venkataramanan ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID); 29297b9ffc76SAnirudh Venkataramanan status = ice_update_vsi(&pf->hw, vsi->idx, ctx, NULL); 29307b9ffc76SAnirudh Venkataramanan if (status) { 29317b9ffc76SAnirudh Venkataramanan dev_info(&pf->pdev->dev, "Failed VSI Update\n"); 29327b9ffc76SAnirudh Venkataramanan ret = -EIO; 29337b9ffc76SAnirudh Venkataramanan goto out; 29347b9ffc76SAnirudh Venkataramanan } 29357b9ffc76SAnirudh Venkataramanan 29367b9ffc76SAnirudh Venkataramanan status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 29377b9ffc76SAnirudh Venkataramanan max_txqs); 29387b9ffc76SAnirudh Venkataramanan 29397b9ffc76SAnirudh Venkataramanan if (status) { 29407b9ffc76SAnirudh Venkataramanan dev_err(&pf->pdev->dev, 29417b9ffc76SAnirudh Venkataramanan "VSI %d failed TC config, error %d\n", 29427b9ffc76SAnirudh Venkataramanan vsi->vsi_num, status); 29437b9ffc76SAnirudh Venkataramanan ret = -EIO; 29447b9ffc76SAnirudh Venkataramanan goto out; 29457b9ffc76SAnirudh Venkataramanan } 29467b9ffc76SAnirudh Venkataramanan ice_vsi_update_q_map(vsi, ctx); 29477b9ffc76SAnirudh Venkataramanan vsi->info.valid_sections = 0; 29487b9ffc76SAnirudh Venkataramanan 29497b9ffc76SAnirudh Venkataramanan ice_vsi_cfg_netdev_tc(vsi, ena_tc); 29507b9ffc76SAnirudh Venkataramanan out: 29517b9ffc76SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, ctx); 29527b9ffc76SAnirudh Venkataramanan return ret; 29537b9ffc76SAnirudh Venkataramanan } 29547b9ffc76SAnirudh Venkataramanan #endif /* CONFIG_DCB */ 2955