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) { 1400e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 1410e674aebSAnirudh Venkataramanan /* fall through */ 14272adf242SAnirudh Venkataramanan case ICE_VSI_PF: 14372adf242SAnirudh Venkataramanan tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_PF; 14472adf242SAnirudh Venkataramanan break; 1458ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 146f9867df6SAnirudh Venkataramanan /* Firmware expects vmvf_num to be absolute VF ID */ 1478ede0178SAnirudh Venkataramanan tlan_ctx->vmvf_num = hw->func_caps.vf_base_id + vsi->vf_id; 1488ede0178SAnirudh Venkataramanan tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_VF; 1498ede0178SAnirudh Venkataramanan break; 15072adf242SAnirudh Venkataramanan default: 15172adf242SAnirudh Venkataramanan return; 15272adf242SAnirudh Venkataramanan } 15372adf242SAnirudh Venkataramanan 15472adf242SAnirudh Venkataramanan /* make sure the context is associated with the right VSI */ 1554fb33f31SAnirudh Venkataramanan tlan_ctx->src_vsi = ice_get_hw_vsi_num(hw, vsi->idx); 15672adf242SAnirudh Venkataramanan 15772adf242SAnirudh Venkataramanan tlan_ctx->tso_ena = ICE_TX_LEGACY; 15872adf242SAnirudh Venkataramanan tlan_ctx->tso_qnum = pf_q; 15972adf242SAnirudh Venkataramanan 16072adf242SAnirudh Venkataramanan /* Legacy or Advanced Host Interface: 16172adf242SAnirudh Venkataramanan * 0: Advanced Host Interface 16272adf242SAnirudh Venkataramanan * 1: Legacy Host Interface 16372adf242SAnirudh Venkataramanan */ 16472adf242SAnirudh Venkataramanan tlan_ctx->legacy_int = ICE_TX_LEGACY; 16572adf242SAnirudh Venkataramanan } 16672adf242SAnirudh Venkataramanan 16772adf242SAnirudh Venkataramanan /** 16872adf242SAnirudh Venkataramanan * ice_pf_rxq_wait - Wait for a PF's Rx queue to be enabled or disabled 16972adf242SAnirudh Venkataramanan * @pf: the PF being configured 17072adf242SAnirudh Venkataramanan * @pf_q: the PF queue 17172adf242SAnirudh Venkataramanan * @ena: enable or disable state of the queue 17272adf242SAnirudh Venkataramanan * 17372adf242SAnirudh Venkataramanan * This routine will wait for the given Rx queue of the PF to reach the 17472adf242SAnirudh Venkataramanan * enabled or disabled state. 17572adf242SAnirudh Venkataramanan * Returns -ETIMEDOUT in case of failing to reach the requested state after 17672adf242SAnirudh Venkataramanan * multiple retries; else will return 0 in case of success. 17772adf242SAnirudh Venkataramanan */ 17872adf242SAnirudh Venkataramanan static int ice_pf_rxq_wait(struct ice_pf *pf, int pf_q, bool ena) 17972adf242SAnirudh Venkataramanan { 18072adf242SAnirudh Venkataramanan int i; 18172adf242SAnirudh Venkataramanan 1827b8ff0f9SPiotr Raczynski for (i = 0; i < ICE_Q_WAIT_MAX_RETRY; i++) { 18316c3301bSBrett Creeley if (ena == !!(rd32(&pf->hw, QRX_CTRL(pf_q)) & 18416c3301bSBrett Creeley QRX_CTRL_QENA_STAT_M)) 18516c3301bSBrett Creeley return 0; 18672adf242SAnirudh Venkataramanan 1877b8ff0f9SPiotr Raczynski usleep_range(20, 40); 18872adf242SAnirudh Venkataramanan } 18972adf242SAnirudh Venkataramanan 19016c3301bSBrett Creeley return -ETIMEDOUT; 19172adf242SAnirudh Venkataramanan } 19272adf242SAnirudh Venkataramanan 19372adf242SAnirudh Venkataramanan /** 19472adf242SAnirudh Venkataramanan * ice_vsi_ctrl_rx_rings - Start or stop a VSI's Rx rings 19572adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 19672adf242SAnirudh Venkataramanan * @ena: start or stop the Rx rings 19772adf242SAnirudh Venkataramanan */ 19872adf242SAnirudh Venkataramanan static int ice_vsi_ctrl_rx_rings(struct ice_vsi *vsi, bool ena) 19972adf242SAnirudh Venkataramanan { 20072adf242SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 20172adf242SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 202acd1751aSBrett Creeley int i, ret = 0; 20372adf242SAnirudh Venkataramanan 20472adf242SAnirudh Venkataramanan for (i = 0; i < vsi->num_rxq; i++) { 20572adf242SAnirudh Venkataramanan int pf_q = vsi->rxq_map[i]; 20672adf242SAnirudh Venkataramanan u32 rx_reg; 20772adf242SAnirudh Venkataramanan 20872adf242SAnirudh Venkataramanan rx_reg = rd32(hw, QRX_CTRL(pf_q)); 20972adf242SAnirudh Venkataramanan 21072adf242SAnirudh Venkataramanan /* Skip if the queue is already in the requested state */ 21172adf242SAnirudh Venkataramanan if (ena == !!(rx_reg & QRX_CTRL_QENA_STAT_M)) 21272adf242SAnirudh Venkataramanan continue; 21372adf242SAnirudh Venkataramanan 21472adf242SAnirudh Venkataramanan /* turn on/off the queue */ 21572adf242SAnirudh Venkataramanan if (ena) 21672adf242SAnirudh Venkataramanan rx_reg |= QRX_CTRL_QENA_REQ_M; 21772adf242SAnirudh Venkataramanan else 21872adf242SAnirudh Venkataramanan rx_reg &= ~QRX_CTRL_QENA_REQ_M; 21972adf242SAnirudh Venkataramanan wr32(hw, QRX_CTRL(pf_q), rx_reg); 22072adf242SAnirudh Venkataramanan 22172adf242SAnirudh Venkataramanan /* wait for the change to finish */ 22272adf242SAnirudh Venkataramanan ret = ice_pf_rxq_wait(pf, pf_q, ena); 22372adf242SAnirudh Venkataramanan if (ret) { 22472adf242SAnirudh Venkataramanan dev_err(&pf->pdev->dev, 22572adf242SAnirudh Venkataramanan "VSI idx %d Rx ring %d %sable timeout\n", 22672adf242SAnirudh Venkataramanan vsi->idx, pf_q, (ena ? "en" : "dis")); 22772adf242SAnirudh Venkataramanan break; 22872adf242SAnirudh Venkataramanan } 22972adf242SAnirudh Venkataramanan } 23072adf242SAnirudh Venkataramanan 23172adf242SAnirudh Venkataramanan return ret; 23272adf242SAnirudh Venkataramanan } 23372adf242SAnirudh Venkataramanan 23472adf242SAnirudh Venkataramanan /** 23528c2a645SAnirudh Venkataramanan * ice_vsi_alloc_arrays - Allocate queue and vector pointer arrays for the VSI 23628c2a645SAnirudh Venkataramanan * @vsi: VSI pointer 23728c2a645SAnirudh Venkataramanan * 23828c2a645SAnirudh Venkataramanan * On error: returns error code (negative) 23928c2a645SAnirudh Venkataramanan * On success: returns 0 24028c2a645SAnirudh Venkataramanan */ 241a85a3847SBrett Creeley static int ice_vsi_alloc_arrays(struct ice_vsi *vsi) 24228c2a645SAnirudh Venkataramanan { 24328c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 24428c2a645SAnirudh Venkataramanan 24528c2a645SAnirudh Venkataramanan /* allocate memory for both Tx and Rx ring pointers */ 24628c2a645SAnirudh Venkataramanan vsi->tx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_txq, 247c6dfd690SBruce Allan sizeof(*vsi->tx_rings), GFP_KERNEL); 24828c2a645SAnirudh Venkataramanan if (!vsi->tx_rings) 24928c2a645SAnirudh Venkataramanan goto err_txrings; 25028c2a645SAnirudh Venkataramanan 25128c2a645SAnirudh Venkataramanan vsi->rx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_rxq, 252c6dfd690SBruce Allan sizeof(*vsi->rx_rings), GFP_KERNEL); 25328c2a645SAnirudh Venkataramanan if (!vsi->rx_rings) 25428c2a645SAnirudh Venkataramanan goto err_rxrings; 25528c2a645SAnirudh Venkataramanan 2560e674aebSAnirudh Venkataramanan /* There is no need to allocate q_vectors for a loopback VSI. */ 2570e674aebSAnirudh Venkataramanan if (vsi->type == ICE_VSI_LB) 2580e674aebSAnirudh Venkataramanan return 0; 2590e674aebSAnirudh Venkataramanan 26028c2a645SAnirudh Venkataramanan /* allocate memory for q_vector pointers */ 261a85a3847SBrett Creeley vsi->q_vectors = devm_kcalloc(&pf->pdev->dev, vsi->num_q_vectors, 262a85a3847SBrett Creeley sizeof(*vsi->q_vectors), GFP_KERNEL); 26328c2a645SAnirudh Venkataramanan if (!vsi->q_vectors) 26428c2a645SAnirudh Venkataramanan goto err_vectors; 26528c2a645SAnirudh Venkataramanan 26628c2a645SAnirudh Venkataramanan return 0; 26728c2a645SAnirudh Venkataramanan 26828c2a645SAnirudh Venkataramanan err_vectors: 26928c2a645SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi->rx_rings); 27028c2a645SAnirudh Venkataramanan err_rxrings: 27128c2a645SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi->tx_rings); 27228c2a645SAnirudh Venkataramanan err_txrings: 27328c2a645SAnirudh Venkataramanan return -ENOMEM; 27428c2a645SAnirudh Venkataramanan } 27528c2a645SAnirudh Venkataramanan 27628c2a645SAnirudh Venkataramanan /** 277ad71b256SBrett Creeley * ice_vsi_set_num_desc - Set number of descriptors for queues on this VSI 278ad71b256SBrett Creeley * @vsi: the VSI being configured 279ad71b256SBrett Creeley */ 280ad71b256SBrett Creeley static void ice_vsi_set_num_desc(struct ice_vsi *vsi) 281ad71b256SBrett Creeley { 282ad71b256SBrett Creeley switch (vsi->type) { 283ad71b256SBrett Creeley case ICE_VSI_PF: 2840e674aebSAnirudh Venkataramanan /* fall through */ 2850e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 286ad71b256SBrett Creeley vsi->num_rx_desc = ICE_DFLT_NUM_RX_DESC; 287ad71b256SBrett Creeley vsi->num_tx_desc = ICE_DFLT_NUM_TX_DESC; 288ad71b256SBrett Creeley break; 289ad71b256SBrett Creeley default: 290ad71b256SBrett Creeley dev_dbg(&vsi->back->pdev->dev, 291ad71b256SBrett Creeley "Not setting number of Tx/Rx descriptors for VSI type %d\n", 292ad71b256SBrett Creeley vsi->type); 293ad71b256SBrett Creeley break; 294ad71b256SBrett Creeley } 295ad71b256SBrett Creeley } 296ad71b256SBrett Creeley 297ad71b256SBrett Creeley /** 298ad71b256SBrett Creeley * ice_vsi_set_num_qs - Set number of queues, descriptors and vectors for a VSI 29928c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 300f9867df6SAnirudh Venkataramanan * @vf_id: ID of the VF being configured 30128c2a645SAnirudh Venkataramanan * 30228c2a645SAnirudh Venkataramanan * Return 0 on success and a negative value on error 30328c2a645SAnirudh Venkataramanan */ 3045743020dSAkeem G Abodunrin static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id) 30528c2a645SAnirudh Venkataramanan { 30628c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 3075743020dSAkeem G Abodunrin struct ice_vf *vf = NULL; 3085743020dSAkeem G Abodunrin 3095743020dSAkeem G Abodunrin if (vsi->type == ICE_VSI_VF) 3105743020dSAkeem G Abodunrin vsi->vf_id = vf_id; 3115743020dSAkeem G Abodunrin 31228c2a645SAnirudh Venkataramanan switch (vsi->type) { 31328c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 31428c2a645SAnirudh Venkataramanan vsi->alloc_txq = pf->num_lan_tx; 31528c2a645SAnirudh Venkataramanan vsi->alloc_rxq = pf->num_lan_rx; 31628c2a645SAnirudh Venkataramanan vsi->num_q_vectors = max_t(int, pf->num_lan_rx, pf->num_lan_tx); 31728c2a645SAnirudh Venkataramanan break; 3188ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 3195743020dSAkeem G Abodunrin vf = &pf->vf[vsi->vf_id]; 3205743020dSAkeem G Abodunrin vsi->alloc_txq = vf->num_vf_qs; 3215743020dSAkeem G Abodunrin vsi->alloc_rxq = vf->num_vf_qs; 3228ede0178SAnirudh Venkataramanan /* pf->num_vf_msix includes (VF miscellaneous vector + 3238ede0178SAnirudh Venkataramanan * data queue interrupts). Since vsi->num_q_vectors is number 3248ede0178SAnirudh Venkataramanan * of queues vectors, subtract 1 from the original vector 3258ede0178SAnirudh Venkataramanan * count 3268ede0178SAnirudh Venkataramanan */ 3278ede0178SAnirudh Venkataramanan vsi->num_q_vectors = pf->num_vf_msix - 1; 3288ede0178SAnirudh Venkataramanan break; 3290e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 3300e674aebSAnirudh Venkataramanan vsi->alloc_txq = 1; 3310e674aebSAnirudh Venkataramanan vsi->alloc_rxq = 1; 3320e674aebSAnirudh Venkataramanan break; 33328c2a645SAnirudh Venkataramanan default: 334819d8998SJesse Brandeburg dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type); 33528c2a645SAnirudh Venkataramanan break; 33628c2a645SAnirudh Venkataramanan } 337ad71b256SBrett Creeley 338ad71b256SBrett Creeley ice_vsi_set_num_desc(vsi); 33928c2a645SAnirudh Venkataramanan } 34028c2a645SAnirudh Venkataramanan 34128c2a645SAnirudh Venkataramanan /** 34228c2a645SAnirudh Venkataramanan * ice_get_free_slot - get the next non-NULL location index in array 34328c2a645SAnirudh Venkataramanan * @array: array to search 34428c2a645SAnirudh Venkataramanan * @size: size of the array 34528c2a645SAnirudh Venkataramanan * @curr: last known occupied index to be used as a search hint 34628c2a645SAnirudh Venkataramanan * 34728c2a645SAnirudh Venkataramanan * void * is being used to keep the functionality generic. This lets us use this 34828c2a645SAnirudh Venkataramanan * function on any array of pointers. 34928c2a645SAnirudh Venkataramanan */ 35037bb8390SAnirudh Venkataramanan static int ice_get_free_slot(void *array, int size, int curr) 35128c2a645SAnirudh Venkataramanan { 35228c2a645SAnirudh Venkataramanan int **tmp_array = (int **)array; 35328c2a645SAnirudh Venkataramanan int next; 35428c2a645SAnirudh Venkataramanan 35528c2a645SAnirudh Venkataramanan if (curr < (size - 1) && !tmp_array[curr + 1]) { 35628c2a645SAnirudh Venkataramanan next = curr + 1; 35728c2a645SAnirudh Venkataramanan } else { 35828c2a645SAnirudh Venkataramanan int i = 0; 35928c2a645SAnirudh Venkataramanan 36028c2a645SAnirudh Venkataramanan while ((i < size) && (tmp_array[i])) 36128c2a645SAnirudh Venkataramanan i++; 36228c2a645SAnirudh Venkataramanan if (i == size) 36328c2a645SAnirudh Venkataramanan next = ICE_NO_VSI; 36428c2a645SAnirudh Venkataramanan else 36528c2a645SAnirudh Venkataramanan next = i; 36628c2a645SAnirudh Venkataramanan } 36728c2a645SAnirudh Venkataramanan return next; 36828c2a645SAnirudh Venkataramanan } 36928c2a645SAnirudh Venkataramanan 37028c2a645SAnirudh Venkataramanan /** 3715153a18eSAnirudh Venkataramanan * ice_vsi_delete - delete a VSI from the switch 3725153a18eSAnirudh Venkataramanan * @vsi: pointer to VSI being removed 3735153a18eSAnirudh Venkataramanan */ 3745153a18eSAnirudh Venkataramanan void ice_vsi_delete(struct ice_vsi *vsi) 3755153a18eSAnirudh Venkataramanan { 3765153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 377198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 3785153a18eSAnirudh Venkataramanan enum ice_status status; 3795153a18eSAnirudh Venkataramanan 380198a666aSBruce Allan ctxt = devm_kzalloc(&pf->pdev->dev, sizeof(*ctxt), GFP_KERNEL); 381198a666aSBruce Allan if (!ctxt) 382198a666aSBruce Allan return; 383198a666aSBruce Allan 3848ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 385198a666aSBruce Allan ctxt->vf_num = vsi->vf_id; 386198a666aSBruce Allan ctxt->vsi_num = vsi->vsi_num; 3875153a18eSAnirudh Venkataramanan 388198a666aSBruce Allan memcpy(&ctxt->info, &vsi->info, sizeof(ctxt->info)); 3895153a18eSAnirudh Venkataramanan 390198a666aSBruce Allan status = ice_free_vsi(&pf->hw, vsi->idx, ctxt, false, NULL); 3915153a18eSAnirudh Venkataramanan if (status) 3925153a18eSAnirudh Venkataramanan dev_err(&pf->pdev->dev, "Failed to delete VSI %i in FW\n", 3935153a18eSAnirudh Venkataramanan vsi->vsi_num); 394198a666aSBruce Allan 395198a666aSBruce Allan devm_kfree(&pf->pdev->dev, ctxt); 3965153a18eSAnirudh Venkataramanan } 3975153a18eSAnirudh Venkataramanan 3985153a18eSAnirudh Venkataramanan /** 399a85a3847SBrett Creeley * ice_vsi_free_arrays - De-allocate queue and vector pointer arrays for the VSI 40007309a0eSAnirudh Venkataramanan * @vsi: pointer to VSI being cleared 40107309a0eSAnirudh Venkataramanan */ 402a85a3847SBrett Creeley static void ice_vsi_free_arrays(struct ice_vsi *vsi) 40307309a0eSAnirudh Venkataramanan { 40407309a0eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 40507309a0eSAnirudh Venkataramanan 40607309a0eSAnirudh Venkataramanan /* free the ring and vector containers */ 407a85a3847SBrett Creeley if (vsi->q_vectors) { 40807309a0eSAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi->q_vectors); 40907309a0eSAnirudh Venkataramanan vsi->q_vectors = NULL; 41007309a0eSAnirudh Venkataramanan } 41107309a0eSAnirudh Venkataramanan if (vsi->tx_rings) { 41207309a0eSAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi->tx_rings); 41307309a0eSAnirudh Venkataramanan vsi->tx_rings = NULL; 41407309a0eSAnirudh Venkataramanan } 41507309a0eSAnirudh Venkataramanan if (vsi->rx_rings) { 41607309a0eSAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi->rx_rings); 41707309a0eSAnirudh Venkataramanan vsi->rx_rings = NULL; 41807309a0eSAnirudh Venkataramanan } 41907309a0eSAnirudh Venkataramanan } 42007309a0eSAnirudh Venkataramanan 42107309a0eSAnirudh Venkataramanan /** 42207309a0eSAnirudh Venkataramanan * ice_vsi_clear - clean up and deallocate the provided VSI 42307309a0eSAnirudh Venkataramanan * @vsi: pointer to VSI being cleared 42407309a0eSAnirudh Venkataramanan * 42507309a0eSAnirudh Venkataramanan * This deallocates the VSI's queue resources, removes it from the PF's 42607309a0eSAnirudh Venkataramanan * VSI array if necessary, and deallocates the VSI 42707309a0eSAnirudh Venkataramanan * 42807309a0eSAnirudh Venkataramanan * Returns 0 on success, negative on failure 42907309a0eSAnirudh Venkataramanan */ 43007309a0eSAnirudh Venkataramanan int ice_vsi_clear(struct ice_vsi *vsi) 43107309a0eSAnirudh Venkataramanan { 43207309a0eSAnirudh Venkataramanan struct ice_pf *pf = NULL; 43307309a0eSAnirudh Venkataramanan 43407309a0eSAnirudh Venkataramanan if (!vsi) 43507309a0eSAnirudh Venkataramanan return 0; 43607309a0eSAnirudh Venkataramanan 43707309a0eSAnirudh Venkataramanan if (!vsi->back) 43807309a0eSAnirudh Venkataramanan return -EINVAL; 43907309a0eSAnirudh Venkataramanan 44007309a0eSAnirudh Venkataramanan pf = vsi->back; 44107309a0eSAnirudh Venkataramanan 44207309a0eSAnirudh Venkataramanan if (!pf->vsi[vsi->idx] || pf->vsi[vsi->idx] != vsi) { 44307309a0eSAnirudh Venkataramanan dev_dbg(&pf->pdev->dev, "vsi does not exist at pf->vsi[%d]\n", 44407309a0eSAnirudh Venkataramanan vsi->idx); 44507309a0eSAnirudh Venkataramanan return -EINVAL; 44607309a0eSAnirudh Venkataramanan } 44707309a0eSAnirudh Venkataramanan 44807309a0eSAnirudh Venkataramanan mutex_lock(&pf->sw_mutex); 44907309a0eSAnirudh Venkataramanan /* updates the PF for this cleared VSI */ 45007309a0eSAnirudh Venkataramanan 45107309a0eSAnirudh Venkataramanan pf->vsi[vsi->idx] = NULL; 45207309a0eSAnirudh Venkataramanan if (vsi->idx < pf->next_vsi) 45307309a0eSAnirudh Venkataramanan pf->next_vsi = vsi->idx; 45407309a0eSAnirudh Venkataramanan 455a85a3847SBrett Creeley ice_vsi_free_arrays(vsi); 45607309a0eSAnirudh Venkataramanan mutex_unlock(&pf->sw_mutex); 45707309a0eSAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi); 45807309a0eSAnirudh Venkataramanan 45907309a0eSAnirudh Venkataramanan return 0; 46007309a0eSAnirudh Venkataramanan } 46107309a0eSAnirudh Venkataramanan 46207309a0eSAnirudh Venkataramanan /** 4635153a18eSAnirudh Venkataramanan * ice_msix_clean_rings - MSIX mode Interrupt Handler 4645153a18eSAnirudh Venkataramanan * @irq: interrupt number 4655153a18eSAnirudh Venkataramanan * @data: pointer to a q_vector 4665153a18eSAnirudh Venkataramanan */ 467f3aaaaaaSAnirudh Venkataramanan static irqreturn_t ice_msix_clean_rings(int __always_unused irq, void *data) 4685153a18eSAnirudh Venkataramanan { 4695153a18eSAnirudh Venkataramanan struct ice_q_vector *q_vector = (struct ice_q_vector *)data; 4705153a18eSAnirudh Venkataramanan 4715153a18eSAnirudh Venkataramanan if (!q_vector->tx.ring && !q_vector->rx.ring) 4725153a18eSAnirudh Venkataramanan return IRQ_HANDLED; 4735153a18eSAnirudh Venkataramanan 4745153a18eSAnirudh Venkataramanan napi_schedule(&q_vector->napi); 4755153a18eSAnirudh Venkataramanan 4765153a18eSAnirudh Venkataramanan return IRQ_HANDLED; 4775153a18eSAnirudh Venkataramanan } 4785153a18eSAnirudh Venkataramanan 4795153a18eSAnirudh Venkataramanan /** 48037bb8390SAnirudh Venkataramanan * ice_vsi_alloc - Allocates the next available struct VSI in the PF 48137bb8390SAnirudh Venkataramanan * @pf: board private structure 48237bb8390SAnirudh Venkataramanan * @type: type of VSI 483f9867df6SAnirudh Venkataramanan * @vf_id: ID of the VF being configured 48437bb8390SAnirudh Venkataramanan * 48537bb8390SAnirudh Venkataramanan * returns a pointer to a VSI on success, NULL on failure. 48637bb8390SAnirudh Venkataramanan */ 4875743020dSAkeem G Abodunrin static struct ice_vsi * 4885743020dSAkeem G Abodunrin ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type type, u16 vf_id) 48937bb8390SAnirudh Venkataramanan { 49037bb8390SAnirudh Venkataramanan struct ice_vsi *vsi = NULL; 49137bb8390SAnirudh Venkataramanan 49237bb8390SAnirudh Venkataramanan /* Need to protect the allocation of the VSIs at the PF level */ 49337bb8390SAnirudh Venkataramanan mutex_lock(&pf->sw_mutex); 49437bb8390SAnirudh Venkataramanan 49537bb8390SAnirudh Venkataramanan /* If we have already allocated our maximum number of VSIs, 49637bb8390SAnirudh Venkataramanan * pf->next_vsi will be ICE_NO_VSI. If not, pf->next_vsi index 49737bb8390SAnirudh Venkataramanan * is available to be populated 49837bb8390SAnirudh Venkataramanan */ 49937bb8390SAnirudh Venkataramanan if (pf->next_vsi == ICE_NO_VSI) { 50037bb8390SAnirudh Venkataramanan dev_dbg(&pf->pdev->dev, "out of VSI slots!\n"); 50137bb8390SAnirudh Venkataramanan goto unlock_pf; 50237bb8390SAnirudh Venkataramanan } 50337bb8390SAnirudh Venkataramanan 50437bb8390SAnirudh Venkataramanan vsi = devm_kzalloc(&pf->pdev->dev, sizeof(*vsi), GFP_KERNEL); 50537bb8390SAnirudh Venkataramanan if (!vsi) 50637bb8390SAnirudh Venkataramanan goto unlock_pf; 50737bb8390SAnirudh Venkataramanan 50837bb8390SAnirudh Venkataramanan vsi->type = type; 50937bb8390SAnirudh Venkataramanan vsi->back = pf; 51037bb8390SAnirudh Venkataramanan set_bit(__ICE_DOWN, vsi->state); 51137bb8390SAnirudh Venkataramanan vsi->idx = pf->next_vsi; 51237bb8390SAnirudh Venkataramanan vsi->work_lmt = ICE_DFLT_IRQ_WORK; 51337bb8390SAnirudh Venkataramanan 5145743020dSAkeem G Abodunrin if (type == ICE_VSI_VF) 5155743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, vf_id); 5165743020dSAkeem G Abodunrin else 5175743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID); 51837bb8390SAnirudh Venkataramanan 51937bb8390SAnirudh Venkataramanan switch (vsi->type) { 52037bb8390SAnirudh Venkataramanan case ICE_VSI_PF: 521a85a3847SBrett Creeley if (ice_vsi_alloc_arrays(vsi)) 52237bb8390SAnirudh Venkataramanan goto err_rings; 52337bb8390SAnirudh Venkataramanan 52437bb8390SAnirudh Venkataramanan /* Setup default MSIX irq handler for VSI */ 52537bb8390SAnirudh Venkataramanan vsi->irq_handler = ice_msix_clean_rings; 52637bb8390SAnirudh Venkataramanan break; 5278ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 528a85a3847SBrett Creeley if (ice_vsi_alloc_arrays(vsi)) 5298ede0178SAnirudh Venkataramanan goto err_rings; 5308ede0178SAnirudh Venkataramanan break; 5310e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 5320e674aebSAnirudh Venkataramanan if (ice_vsi_alloc_arrays(vsi)) 5330e674aebSAnirudh Venkataramanan goto err_rings; 5340e674aebSAnirudh Venkataramanan break; 53537bb8390SAnirudh Venkataramanan default: 53637bb8390SAnirudh Venkataramanan dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type); 53737bb8390SAnirudh Venkataramanan goto unlock_pf; 53837bb8390SAnirudh Venkataramanan } 53937bb8390SAnirudh Venkataramanan 54037bb8390SAnirudh Venkataramanan /* fill VSI slot in the PF struct */ 54137bb8390SAnirudh Venkataramanan pf->vsi[pf->next_vsi] = vsi; 54237bb8390SAnirudh Venkataramanan 54337bb8390SAnirudh Venkataramanan /* prepare pf->next_vsi for next use */ 54437bb8390SAnirudh Venkataramanan pf->next_vsi = ice_get_free_slot(pf->vsi, pf->num_alloc_vsi, 54537bb8390SAnirudh Venkataramanan pf->next_vsi); 54637bb8390SAnirudh Venkataramanan goto unlock_pf; 54737bb8390SAnirudh Venkataramanan 54837bb8390SAnirudh Venkataramanan err_rings: 54937bb8390SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi); 55037bb8390SAnirudh Venkataramanan vsi = NULL; 55137bb8390SAnirudh Venkataramanan unlock_pf: 55237bb8390SAnirudh Venkataramanan mutex_unlock(&pf->sw_mutex); 55337bb8390SAnirudh Venkataramanan return vsi; 55437bb8390SAnirudh Venkataramanan } 55537bb8390SAnirudh Venkataramanan 55637bb8390SAnirudh Venkataramanan /** 55703f7a986SAnirudh Venkataramanan * __ice_vsi_get_qs_contig - Assign a contiguous chunk of queues to VSI 55803f7a986SAnirudh Venkataramanan * @qs_cfg: gathered variables needed for PF->VSI queues assignment 559df0f8479SAnirudh Venkataramanan * 56003f7a986SAnirudh Venkataramanan * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap 561df0f8479SAnirudh Venkataramanan */ 56203f7a986SAnirudh Venkataramanan static int __ice_vsi_get_qs_contig(struct ice_qs_cfg *qs_cfg) 563df0f8479SAnirudh Venkataramanan { 56403f7a986SAnirudh Venkataramanan int offset, i; 565df0f8479SAnirudh Venkataramanan 56603f7a986SAnirudh Venkataramanan mutex_lock(qs_cfg->qs_mutex); 56703f7a986SAnirudh Venkataramanan offset = bitmap_find_next_zero_area(qs_cfg->pf_map, qs_cfg->pf_map_size, 56803f7a986SAnirudh Venkataramanan 0, qs_cfg->q_count, 0); 56903f7a986SAnirudh Venkataramanan if (offset >= qs_cfg->pf_map_size) { 57003f7a986SAnirudh Venkataramanan mutex_unlock(qs_cfg->qs_mutex); 57103f7a986SAnirudh Venkataramanan return -ENOMEM; 572df0f8479SAnirudh Venkataramanan } 573df0f8479SAnirudh Venkataramanan 57403f7a986SAnirudh Venkataramanan bitmap_set(qs_cfg->pf_map, offset, qs_cfg->q_count); 57503f7a986SAnirudh Venkataramanan for (i = 0; i < qs_cfg->q_count; i++) 57603f7a986SAnirudh Venkataramanan qs_cfg->vsi_map[i + qs_cfg->vsi_map_offset] = i + offset; 57703f7a986SAnirudh Venkataramanan mutex_unlock(qs_cfg->qs_mutex); 578df0f8479SAnirudh Venkataramanan 57903f7a986SAnirudh Venkataramanan return 0; 580df0f8479SAnirudh Venkataramanan } 581df0f8479SAnirudh Venkataramanan 582df0f8479SAnirudh Venkataramanan /** 58303f7a986SAnirudh Venkataramanan * __ice_vsi_get_qs_sc - Assign a scattered queues from PF to VSI 584819d8998SJesse Brandeburg * @qs_cfg: gathered variables needed for pf->vsi queues assignment 585df0f8479SAnirudh Venkataramanan * 58603f7a986SAnirudh Venkataramanan * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap 587df0f8479SAnirudh Venkataramanan */ 58803f7a986SAnirudh Venkataramanan static int __ice_vsi_get_qs_sc(struct ice_qs_cfg *qs_cfg) 589df0f8479SAnirudh Venkataramanan { 590df0f8479SAnirudh Venkataramanan int i, index = 0; 591df0f8479SAnirudh Venkataramanan 59203f7a986SAnirudh Venkataramanan mutex_lock(qs_cfg->qs_mutex); 59303f7a986SAnirudh Venkataramanan for (i = 0; i < qs_cfg->q_count; i++) { 59403f7a986SAnirudh Venkataramanan index = find_next_zero_bit(qs_cfg->pf_map, 59503f7a986SAnirudh Venkataramanan qs_cfg->pf_map_size, index); 59603f7a986SAnirudh Venkataramanan if (index >= qs_cfg->pf_map_size) 59703f7a986SAnirudh Venkataramanan goto err_scatter; 59803f7a986SAnirudh Venkataramanan set_bit(index, qs_cfg->pf_map); 59903f7a986SAnirudh Venkataramanan qs_cfg->vsi_map[i + qs_cfg->vsi_map_offset] = index; 60003f7a986SAnirudh Venkataramanan } 60103f7a986SAnirudh Venkataramanan mutex_unlock(qs_cfg->qs_mutex); 602df0f8479SAnirudh Venkataramanan 603df0f8479SAnirudh Venkataramanan return 0; 60403f7a986SAnirudh Venkataramanan err_scatter: 605df0f8479SAnirudh Venkataramanan for (index = 0; index < i; index++) { 60603f7a986SAnirudh Venkataramanan clear_bit(qs_cfg->vsi_map[index], qs_cfg->pf_map); 60703f7a986SAnirudh Venkataramanan qs_cfg->vsi_map[index + qs_cfg->vsi_map_offset] = 0; 608df0f8479SAnirudh Venkataramanan } 60903f7a986SAnirudh Venkataramanan mutex_unlock(qs_cfg->qs_mutex); 610df0f8479SAnirudh Venkataramanan 611df0f8479SAnirudh Venkataramanan return -ENOMEM; 612df0f8479SAnirudh Venkataramanan } 613df0f8479SAnirudh Venkataramanan 614df0f8479SAnirudh Venkataramanan /** 61503f7a986SAnirudh Venkataramanan * __ice_vsi_get_qs - helper function for assigning queues from PF to VSI 6166c2f997aSAnirudh Venkataramanan * @qs_cfg: gathered variables needed for pf->vsi queues assignment 61703f7a986SAnirudh Venkataramanan * 6186c2f997aSAnirudh Venkataramanan * This function first tries to find contiguous space. If it is not successful, 6196c2f997aSAnirudh Venkataramanan * it tries with the scatter approach. 62003f7a986SAnirudh Venkataramanan * 62103f7a986SAnirudh Venkataramanan * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap 62203f7a986SAnirudh Venkataramanan */ 62303f7a986SAnirudh Venkataramanan static int __ice_vsi_get_qs(struct ice_qs_cfg *qs_cfg) 62403f7a986SAnirudh Venkataramanan { 62503f7a986SAnirudh Venkataramanan int ret = 0; 62603f7a986SAnirudh Venkataramanan 62703f7a986SAnirudh Venkataramanan ret = __ice_vsi_get_qs_contig(qs_cfg); 62803f7a986SAnirudh Venkataramanan if (ret) { 62903f7a986SAnirudh Venkataramanan /* contig failed, so try with scatter approach */ 63003f7a986SAnirudh Venkataramanan qs_cfg->mapping_mode = ICE_VSI_MAP_SCATTER; 63103f7a986SAnirudh Venkataramanan qs_cfg->q_count = min_t(u16, qs_cfg->q_count, 63203f7a986SAnirudh Venkataramanan qs_cfg->scatter_count); 63303f7a986SAnirudh Venkataramanan ret = __ice_vsi_get_qs_sc(qs_cfg); 63403f7a986SAnirudh Venkataramanan } 63503f7a986SAnirudh Venkataramanan return ret; 63603f7a986SAnirudh Venkataramanan } 63703f7a986SAnirudh Venkataramanan 63803f7a986SAnirudh Venkataramanan /** 639df0f8479SAnirudh Venkataramanan * ice_vsi_get_qs - Assign queues from PF to VSI 640df0f8479SAnirudh Venkataramanan * @vsi: the VSI to assign queues to 641df0f8479SAnirudh Venkataramanan * 642df0f8479SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 643df0f8479SAnirudh Venkataramanan */ 64437bb8390SAnirudh Venkataramanan static int ice_vsi_get_qs(struct ice_vsi *vsi) 645df0f8479SAnirudh Venkataramanan { 64603f7a986SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 64703f7a986SAnirudh Venkataramanan struct ice_qs_cfg tx_qs_cfg = { 64803f7a986SAnirudh Venkataramanan .qs_mutex = &pf->avail_q_mutex, 64903f7a986SAnirudh Venkataramanan .pf_map = pf->avail_txqs, 65003f7a986SAnirudh Venkataramanan .pf_map_size = ICE_MAX_TXQS, 65103f7a986SAnirudh Venkataramanan .q_count = vsi->alloc_txq, 65203f7a986SAnirudh Venkataramanan .scatter_count = ICE_MAX_SCATTER_TXQS, 65303f7a986SAnirudh Venkataramanan .vsi_map = vsi->txq_map, 65403f7a986SAnirudh Venkataramanan .vsi_map_offset = 0, 65503f7a986SAnirudh Venkataramanan .mapping_mode = vsi->tx_mapping_mode 65603f7a986SAnirudh Venkataramanan }; 65703f7a986SAnirudh Venkataramanan struct ice_qs_cfg rx_qs_cfg = { 65803f7a986SAnirudh Venkataramanan .qs_mutex = &pf->avail_q_mutex, 65903f7a986SAnirudh Venkataramanan .pf_map = pf->avail_rxqs, 66003f7a986SAnirudh Venkataramanan .pf_map_size = ICE_MAX_RXQS, 66103f7a986SAnirudh Venkataramanan .q_count = vsi->alloc_rxq, 66203f7a986SAnirudh Venkataramanan .scatter_count = ICE_MAX_SCATTER_RXQS, 66303f7a986SAnirudh Venkataramanan .vsi_map = vsi->rxq_map, 66403f7a986SAnirudh Venkataramanan .vsi_map_offset = 0, 66503f7a986SAnirudh Venkataramanan .mapping_mode = vsi->rx_mapping_mode 66603f7a986SAnirudh Venkataramanan }; 667df0f8479SAnirudh Venkataramanan int ret = 0; 668df0f8479SAnirudh Venkataramanan 669df0f8479SAnirudh Venkataramanan vsi->tx_mapping_mode = ICE_VSI_MAP_CONTIG; 670df0f8479SAnirudh Venkataramanan vsi->rx_mapping_mode = ICE_VSI_MAP_CONTIG; 671df0f8479SAnirudh Venkataramanan 67203f7a986SAnirudh Venkataramanan ret = __ice_vsi_get_qs(&tx_qs_cfg); 67303f7a986SAnirudh Venkataramanan if (!ret) 67403f7a986SAnirudh Venkataramanan ret = __ice_vsi_get_qs(&rx_qs_cfg); 675df0f8479SAnirudh Venkataramanan 676df0f8479SAnirudh Venkataramanan return ret; 677df0f8479SAnirudh Venkataramanan } 678df0f8479SAnirudh Venkataramanan 679df0f8479SAnirudh Venkataramanan /** 6805153a18eSAnirudh Venkataramanan * ice_vsi_put_qs - Release queues from VSI to PF 6815153a18eSAnirudh Venkataramanan * @vsi: the VSI that is going to release queues 6825153a18eSAnirudh Venkataramanan */ 6835153a18eSAnirudh Venkataramanan void ice_vsi_put_qs(struct ice_vsi *vsi) 6845153a18eSAnirudh Venkataramanan { 6855153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 6865153a18eSAnirudh Venkataramanan int i; 6875153a18eSAnirudh Venkataramanan 6885153a18eSAnirudh Venkataramanan mutex_lock(&pf->avail_q_mutex); 6895153a18eSAnirudh Venkataramanan 6905153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 6915153a18eSAnirudh Venkataramanan clear_bit(vsi->txq_map[i], pf->avail_txqs); 6925153a18eSAnirudh Venkataramanan vsi->txq_map[i] = ICE_INVAL_Q_INDEX; 6935153a18eSAnirudh Venkataramanan } 6945153a18eSAnirudh Venkataramanan 6955153a18eSAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 6965153a18eSAnirudh Venkataramanan clear_bit(vsi->rxq_map[i], pf->avail_rxqs); 6975153a18eSAnirudh Venkataramanan vsi->rxq_map[i] = ICE_INVAL_Q_INDEX; 6985153a18eSAnirudh Venkataramanan } 6995153a18eSAnirudh Venkataramanan 7005153a18eSAnirudh Venkataramanan mutex_unlock(&pf->avail_q_mutex); 7015153a18eSAnirudh Venkataramanan } 7025153a18eSAnirudh Venkataramanan 7035153a18eSAnirudh Venkataramanan /** 704df0f8479SAnirudh Venkataramanan * ice_rss_clean - Delete RSS related VSI structures that hold user inputs 705df0f8479SAnirudh Venkataramanan * @vsi: the VSI being removed 706df0f8479SAnirudh Venkataramanan */ 707df0f8479SAnirudh Venkataramanan static void ice_rss_clean(struct ice_vsi *vsi) 708df0f8479SAnirudh Venkataramanan { 709df0f8479SAnirudh Venkataramanan struct ice_pf *pf; 710df0f8479SAnirudh Venkataramanan 711df0f8479SAnirudh Venkataramanan pf = vsi->back; 712df0f8479SAnirudh Venkataramanan 713df0f8479SAnirudh Venkataramanan if (vsi->rss_hkey_user) 714df0f8479SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi->rss_hkey_user); 715df0f8479SAnirudh Venkataramanan if (vsi->rss_lut_user) 716df0f8479SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, vsi->rss_lut_user); 717df0f8479SAnirudh Venkataramanan } 718df0f8479SAnirudh Venkataramanan 719df0f8479SAnirudh Venkataramanan /** 72028c2a645SAnirudh Venkataramanan * ice_vsi_set_rss_params - Setup RSS capabilities per VSI type 72128c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 72228c2a645SAnirudh Venkataramanan */ 72337bb8390SAnirudh Venkataramanan static void ice_vsi_set_rss_params(struct ice_vsi *vsi) 72428c2a645SAnirudh Venkataramanan { 72528c2a645SAnirudh Venkataramanan struct ice_hw_common_caps *cap; 72628c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 72728c2a645SAnirudh Venkataramanan 72828c2a645SAnirudh Venkataramanan if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 72928c2a645SAnirudh Venkataramanan vsi->rss_size = 1; 73028c2a645SAnirudh Venkataramanan return; 73128c2a645SAnirudh Venkataramanan } 73228c2a645SAnirudh Venkataramanan 73328c2a645SAnirudh Venkataramanan cap = &pf->hw.func_caps.common_cap; 73428c2a645SAnirudh Venkataramanan switch (vsi->type) { 73528c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 73628c2a645SAnirudh Venkataramanan /* PF VSI will inherit RSS instance of PF */ 73728c2a645SAnirudh Venkataramanan vsi->rss_table_size = cap->rss_table_size; 73828c2a645SAnirudh Venkataramanan vsi->rss_size = min_t(int, num_online_cpus(), 73928c2a645SAnirudh Venkataramanan BIT(cap->rss_table_entry_width)); 74028c2a645SAnirudh Venkataramanan vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF; 74128c2a645SAnirudh Venkataramanan break; 7428ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 7438ede0178SAnirudh Venkataramanan /* VF VSI will gets a small RSS table 7448ede0178SAnirudh Venkataramanan * For VSI_LUT, LUT size should be set to 64 bytes 7458ede0178SAnirudh Venkataramanan */ 7468ede0178SAnirudh Venkataramanan vsi->rss_table_size = ICE_VSIQF_HLUT_ARRAY_SIZE; 7478ede0178SAnirudh Venkataramanan vsi->rss_size = min_t(int, num_online_cpus(), 7488ede0178SAnirudh Venkataramanan BIT(cap->rss_table_entry_width)); 7498ede0178SAnirudh Venkataramanan vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI; 7508ede0178SAnirudh Venkataramanan break; 7510e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 7520e674aebSAnirudh Venkataramanan break; 75328c2a645SAnirudh Venkataramanan default: 75428c2a645SAnirudh Venkataramanan dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", 75528c2a645SAnirudh Venkataramanan vsi->type); 75628c2a645SAnirudh Venkataramanan break; 75728c2a645SAnirudh Venkataramanan } 75828c2a645SAnirudh Venkataramanan } 75928c2a645SAnirudh Venkataramanan 76028c2a645SAnirudh Venkataramanan /** 76128c2a645SAnirudh Venkataramanan * ice_set_dflt_vsi_ctx - Set default VSI context before adding a VSI 76228c2a645SAnirudh Venkataramanan * @ctxt: the VSI context being set 76328c2a645SAnirudh Venkataramanan * 76428c2a645SAnirudh Venkataramanan * This initializes a default VSI context for all sections except the Queues. 76528c2a645SAnirudh Venkataramanan */ 76628c2a645SAnirudh Venkataramanan static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt) 76728c2a645SAnirudh Venkataramanan { 76828c2a645SAnirudh Venkataramanan u32 table = 0; 76928c2a645SAnirudh Venkataramanan 77028c2a645SAnirudh Venkataramanan memset(&ctxt->info, 0, sizeof(ctxt->info)); 77128c2a645SAnirudh Venkataramanan /* VSI's should be allocated from shared pool */ 77228c2a645SAnirudh Venkataramanan ctxt->alloc_from_pool = true; 77328c2a645SAnirudh Venkataramanan /* Src pruning enabled by default */ 77428c2a645SAnirudh Venkataramanan ctxt->info.sw_flags = ICE_AQ_VSI_SW_FLAG_SRC_PRUNE; 77528c2a645SAnirudh Venkataramanan /* Traffic from VSI can be sent to LAN */ 77628c2a645SAnirudh Venkataramanan ctxt->info.sw_flags2 = ICE_AQ_VSI_SW_FLAG_LAN_ENA; 77728c2a645SAnirudh Venkataramanan /* By default bits 3 and 4 in vlan_flags are 0's which results in legacy 77828c2a645SAnirudh Venkataramanan * behavior (show VLAN, DEI, and UP) in descriptor. Also, allow all 77928c2a645SAnirudh Venkataramanan * packets untagged/tagged. 78028c2a645SAnirudh Venkataramanan */ 78128c2a645SAnirudh Venkataramanan ctxt->info.vlan_flags = ((ICE_AQ_VSI_VLAN_MODE_ALL & 78228c2a645SAnirudh Venkataramanan ICE_AQ_VSI_VLAN_MODE_M) >> 78328c2a645SAnirudh Venkataramanan ICE_AQ_VSI_VLAN_MODE_S); 78428c2a645SAnirudh Venkataramanan /* Have 1:1 UP mapping for both ingress/egress tables */ 78528c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(0, 0); 78628c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(1, 1); 78728c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(2, 2); 78828c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(3, 3); 78928c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(4, 4); 79028c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(5, 5); 79128c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(6, 6); 79228c2a645SAnirudh Venkataramanan table |= ICE_UP_TABLE_TRANSLATE(7, 7); 79328c2a645SAnirudh Venkataramanan ctxt->info.ingress_table = cpu_to_le32(table); 79428c2a645SAnirudh Venkataramanan ctxt->info.egress_table = cpu_to_le32(table); 79528c2a645SAnirudh Venkataramanan /* Have 1:1 UP mapping for outer to inner UP table */ 79628c2a645SAnirudh Venkataramanan ctxt->info.outer_up_table = cpu_to_le32(table); 79728c2a645SAnirudh Venkataramanan /* No Outer tag support outer_tag_flags remains to zero */ 79828c2a645SAnirudh Venkataramanan } 79928c2a645SAnirudh Venkataramanan 80028c2a645SAnirudh Venkataramanan /** 80128c2a645SAnirudh Venkataramanan * ice_vsi_setup_q_map - Setup a VSI queue map 80228c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 80328c2a645SAnirudh Venkataramanan * @ctxt: VSI context structure 80428c2a645SAnirudh Venkataramanan */ 80528c2a645SAnirudh Venkataramanan static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) 80628c2a645SAnirudh Venkataramanan { 807c5a2a4a3SUsha Ketineni u16 offset = 0, qmap = 0, tx_count = 0; 80828c2a645SAnirudh Venkataramanan u16 qcount_tx = vsi->alloc_txq; 80928c2a645SAnirudh Venkataramanan u16 qcount_rx = vsi->alloc_rxq; 810c5a2a4a3SUsha Ketineni u16 tx_numq_tc, rx_numq_tc; 811c5a2a4a3SUsha Ketineni u16 pow = 0, max_rss = 0; 81228c2a645SAnirudh Venkataramanan bool ena_tc0 = false; 813c5a2a4a3SUsha Ketineni u8 netdev_tc = 0; 81428c2a645SAnirudh Venkataramanan int i; 81528c2a645SAnirudh Venkataramanan 81628c2a645SAnirudh Venkataramanan /* at least TC0 should be enabled by default */ 81728c2a645SAnirudh Venkataramanan if (vsi->tc_cfg.numtc) { 81828c2a645SAnirudh Venkataramanan if (!(vsi->tc_cfg.ena_tc & BIT(0))) 81928c2a645SAnirudh Venkataramanan ena_tc0 = true; 82028c2a645SAnirudh Venkataramanan } else { 82128c2a645SAnirudh Venkataramanan ena_tc0 = true; 82228c2a645SAnirudh Venkataramanan } 82328c2a645SAnirudh Venkataramanan 82428c2a645SAnirudh Venkataramanan if (ena_tc0) { 82528c2a645SAnirudh Venkataramanan vsi->tc_cfg.numtc++; 82628c2a645SAnirudh Venkataramanan vsi->tc_cfg.ena_tc |= 1; 82728c2a645SAnirudh Venkataramanan } 82828c2a645SAnirudh Venkataramanan 829c5a2a4a3SUsha Ketineni rx_numq_tc = qcount_rx / vsi->tc_cfg.numtc; 830c5a2a4a3SUsha Ketineni if (!rx_numq_tc) 831c5a2a4a3SUsha Ketineni rx_numq_tc = 1; 832c5a2a4a3SUsha Ketineni tx_numq_tc = qcount_tx / vsi->tc_cfg.numtc; 833c5a2a4a3SUsha Ketineni if (!tx_numq_tc) 834c5a2a4a3SUsha Ketineni tx_numq_tc = 1; 83528c2a645SAnirudh Venkataramanan 83628c2a645SAnirudh Venkataramanan /* TC mapping is a function of the number of Rx queues assigned to the 83728c2a645SAnirudh Venkataramanan * VSI for each traffic class and the offset of these queues. 83828c2a645SAnirudh Venkataramanan * The first 10 bits are for queue offset for TC0, next 4 bits for no:of 83928c2a645SAnirudh Venkataramanan * queues allocated to TC0. No:of queues is a power-of-2. 84028c2a645SAnirudh Venkataramanan * 84128c2a645SAnirudh Venkataramanan * If TC is not enabled, the queue offset is set to 0, and allocate one 84228c2a645SAnirudh Venkataramanan * queue, this way, traffic for the given TC will be sent to the default 84328c2a645SAnirudh Venkataramanan * queue. 84428c2a645SAnirudh Venkataramanan * 84528c2a645SAnirudh Venkataramanan * Setup number and offset of Rx queues for all TCs for the VSI 84628c2a645SAnirudh Venkataramanan */ 84728c2a645SAnirudh Venkataramanan 848c5a2a4a3SUsha Ketineni qcount_rx = rx_numq_tc; 849c5a2a4a3SUsha Ketineni 85028c2a645SAnirudh Venkataramanan /* qcount will change if RSS is enabled */ 85128c2a645SAnirudh Venkataramanan if (test_bit(ICE_FLAG_RSS_ENA, vsi->back->flags)) { 8528ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF || vsi->type == ICE_VSI_VF) { 85328c2a645SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) 85428c2a645SAnirudh Venkataramanan max_rss = ICE_MAX_LG_RSS_QS; 85528c2a645SAnirudh Venkataramanan else 85628c2a645SAnirudh Venkataramanan max_rss = ICE_MAX_SMALL_RSS_QS; 857c5a2a4a3SUsha Ketineni qcount_rx = min_t(int, rx_numq_tc, max_rss); 858c5a2a4a3SUsha Ketineni qcount_rx = min_t(int, qcount_rx, vsi->rss_size); 8598ede0178SAnirudh Venkataramanan } 86028c2a645SAnirudh Venkataramanan } 86128c2a645SAnirudh Venkataramanan 86228c2a645SAnirudh Venkataramanan /* find the (rounded up) power-of-2 of qcount */ 863c5a2a4a3SUsha Ketineni pow = order_base_2(qcount_rx); 86428c2a645SAnirudh Venkataramanan 8652bdc97beSBruce Allan ice_for_each_traffic_class(i) { 86628c2a645SAnirudh Venkataramanan if (!(vsi->tc_cfg.ena_tc & BIT(i))) { 86728c2a645SAnirudh Venkataramanan /* TC is not enabled */ 86828c2a645SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qoffset = 0; 869c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_rx = 1; 870c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_tx = 1; 871c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].netdev_tc = 0; 87228c2a645SAnirudh Venkataramanan ctxt->info.tc_mapping[i] = 0; 87328c2a645SAnirudh Venkataramanan continue; 87428c2a645SAnirudh Venkataramanan } 87528c2a645SAnirudh Venkataramanan 87628c2a645SAnirudh Venkataramanan /* TC is enabled */ 87728c2a645SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qoffset = offset; 878c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_rx = qcount_rx; 879c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].qcount_tx = tx_numq_tc; 880c5a2a4a3SUsha Ketineni vsi->tc_cfg.tc_info[i].netdev_tc = netdev_tc++; 88128c2a645SAnirudh Venkataramanan 88228c2a645SAnirudh Venkataramanan qmap = ((offset << ICE_AQ_VSI_TC_Q_OFFSET_S) & 88328c2a645SAnirudh Venkataramanan ICE_AQ_VSI_TC_Q_OFFSET_M) | 88428c2a645SAnirudh Venkataramanan ((pow << ICE_AQ_VSI_TC_Q_NUM_S) & 88528c2a645SAnirudh Venkataramanan ICE_AQ_VSI_TC_Q_NUM_M); 886c5a2a4a3SUsha Ketineni offset += qcount_rx; 887c5a2a4a3SUsha Ketineni tx_count += tx_numq_tc; 88828c2a645SAnirudh Venkataramanan ctxt->info.tc_mapping[i] = cpu_to_le16(qmap); 88928c2a645SAnirudh Venkataramanan } 89060dcc39eSKiran Patil 89160dcc39eSKiran Patil /* if offset is non-zero, means it is calculated correctly based on 89260dcc39eSKiran Patil * enabled TCs for a given VSI otherwise qcount_rx will always 89360dcc39eSKiran Patil * be correct and non-zero because it is based off - VSI's 89460dcc39eSKiran Patil * allocated Rx queues which is at least 1 (hence qcount_tx will be 89560dcc39eSKiran Patil * at least 1) 89660dcc39eSKiran Patil */ 89760dcc39eSKiran Patil if (offset) 89828c2a645SAnirudh Venkataramanan vsi->num_rxq = offset; 89960dcc39eSKiran Patil else 90060dcc39eSKiran Patil vsi->num_rxq = qcount_rx; 90160dcc39eSKiran Patil 902c5a2a4a3SUsha Ketineni vsi->num_txq = tx_count; 90328c2a645SAnirudh Venkataramanan 9048ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF && vsi->num_txq != vsi->num_rxq) { 9058ede0178SAnirudh Venkataramanan dev_dbg(&vsi->back->pdev->dev, "VF VSI should have same number of Tx and Rx queues. Hence making them equal\n"); 9068ede0178SAnirudh Venkataramanan /* since there is a chance that num_rxq could have been changed 9078ede0178SAnirudh Venkataramanan * in the above for loop, make num_txq equal to num_rxq. 9088ede0178SAnirudh Venkataramanan */ 9098ede0178SAnirudh Venkataramanan vsi->num_txq = vsi->num_rxq; 9108ede0178SAnirudh Venkataramanan } 9118ede0178SAnirudh Venkataramanan 91228c2a645SAnirudh Venkataramanan /* Rx queue mapping */ 91328c2a645SAnirudh Venkataramanan ctxt->info.mapping_flags |= cpu_to_le16(ICE_AQ_VSI_Q_MAP_CONTIG); 91428c2a645SAnirudh Venkataramanan /* q_mapping buffer holds the info for the first queue allocated for 91528c2a645SAnirudh Venkataramanan * this VSI in the PF space and also the number of queues associated 91628c2a645SAnirudh Venkataramanan * with this VSI. 91728c2a645SAnirudh Venkataramanan */ 91828c2a645SAnirudh Venkataramanan ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]); 91928c2a645SAnirudh Venkataramanan ctxt->info.q_mapping[1] = cpu_to_le16(vsi->num_rxq); 92028c2a645SAnirudh Venkataramanan } 92128c2a645SAnirudh Venkataramanan 92228c2a645SAnirudh Venkataramanan /** 92328c2a645SAnirudh Venkataramanan * ice_set_rss_vsi_ctx - Set RSS VSI context before adding a VSI 92428c2a645SAnirudh Venkataramanan * @ctxt: the VSI context being set 92528c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 92628c2a645SAnirudh Venkataramanan */ 92728c2a645SAnirudh Venkataramanan static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi) 92828c2a645SAnirudh Venkataramanan { 92928c2a645SAnirudh Venkataramanan u8 lut_type, hash_type; 930819d8998SJesse Brandeburg struct ice_pf *pf; 931819d8998SJesse Brandeburg 932819d8998SJesse Brandeburg pf = vsi->back; 93328c2a645SAnirudh Venkataramanan 93428c2a645SAnirudh Venkataramanan switch (vsi->type) { 93528c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 93628c2a645SAnirudh Venkataramanan /* PF VSI will inherit RSS instance of PF */ 93728c2a645SAnirudh Venkataramanan lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_PF; 93828c2a645SAnirudh Venkataramanan hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ; 93928c2a645SAnirudh Venkataramanan break; 9408ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 9418ede0178SAnirudh Venkataramanan /* VF VSI will gets a small RSS table which is a VSI LUT type */ 9428ede0178SAnirudh Venkataramanan lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI; 9438ede0178SAnirudh Venkataramanan hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ; 9448ede0178SAnirudh Venkataramanan break; 9450e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 9460e674aebSAnirudh Venkataramanan dev_dbg(&pf->pdev->dev, "Unsupported VSI type %d\n", vsi->type); 9470e674aebSAnirudh Venkataramanan return; 94828c2a645SAnirudh Venkataramanan default: 949819d8998SJesse Brandeburg dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type); 95028c2a645SAnirudh Venkataramanan return; 95128c2a645SAnirudh Venkataramanan } 95228c2a645SAnirudh Venkataramanan 95328c2a645SAnirudh Venkataramanan ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) & 95428c2a645SAnirudh Venkataramanan ICE_AQ_VSI_Q_OPT_RSS_LUT_M) | 95528c2a645SAnirudh Venkataramanan ((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) & 95628c2a645SAnirudh Venkataramanan ICE_AQ_VSI_Q_OPT_RSS_HASH_M); 95728c2a645SAnirudh Venkataramanan } 95828c2a645SAnirudh Venkataramanan 95928c2a645SAnirudh Venkataramanan /** 96028c2a645SAnirudh Venkataramanan * ice_vsi_init - Create and initialize a VSI 96128c2a645SAnirudh Venkataramanan * @vsi: the VSI being configured 96228c2a645SAnirudh Venkataramanan * 96328c2a645SAnirudh Venkataramanan * This initializes a VSI context depending on the VSI type to be added and 96428c2a645SAnirudh Venkataramanan * passes it down to the add_vsi aq command to create a new VSI. 96528c2a645SAnirudh Venkataramanan */ 96637bb8390SAnirudh Venkataramanan static int ice_vsi_init(struct ice_vsi *vsi) 96728c2a645SAnirudh Venkataramanan { 96828c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 96928c2a645SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 970198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 97128c2a645SAnirudh Venkataramanan int ret = 0; 97228c2a645SAnirudh Venkataramanan 973198a666aSBruce Allan ctxt = devm_kzalloc(&pf->pdev->dev, sizeof(*ctxt), GFP_KERNEL); 974198a666aSBruce Allan if (!ctxt) 975198a666aSBruce Allan return -ENOMEM; 976198a666aSBruce Allan 977cb93a952SAkeem G Abodunrin ctxt->info = vsi->info; 97828c2a645SAnirudh Venkataramanan switch (vsi->type) { 9790e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 9800e674aebSAnirudh Venkataramanan /* fall through */ 98128c2a645SAnirudh Venkataramanan case ICE_VSI_PF: 982198a666aSBruce Allan ctxt->flags = ICE_AQ_VSI_TYPE_PF; 98328c2a645SAnirudh Venkataramanan break; 9848ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 985198a666aSBruce Allan ctxt->flags = ICE_AQ_VSI_TYPE_VF; 9868ede0178SAnirudh Venkataramanan /* VF number here is the absolute VF number (0-255) */ 987198a666aSBruce Allan ctxt->vf_num = vsi->vf_id + hw->func_caps.vf_base_id; 9888ede0178SAnirudh Venkataramanan break; 98928c2a645SAnirudh Venkataramanan default: 99028c2a645SAnirudh Venkataramanan return -ENODEV; 99128c2a645SAnirudh Venkataramanan } 99228c2a645SAnirudh Venkataramanan 993198a666aSBruce Allan ice_set_dflt_vsi_ctx(ctxt); 99428c2a645SAnirudh Venkataramanan /* if the switch is in VEB mode, allow VSI loopback */ 99528c2a645SAnirudh Venkataramanan if (vsi->vsw->bridge_mode == BRIDGE_MODE_VEB) 996198a666aSBruce Allan ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB; 99728c2a645SAnirudh Venkataramanan 99828c2a645SAnirudh Venkataramanan /* Set LUT type and HASH type if RSS is enabled */ 99928c2a645SAnirudh Venkataramanan if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 1000198a666aSBruce Allan ice_set_rss_vsi_ctx(ctxt, vsi); 100128c2a645SAnirudh Venkataramanan 1002198a666aSBruce Allan ctxt->info.sw_id = vsi->port_info->sw_id; 1003198a666aSBruce Allan ice_vsi_setup_q_map(vsi, ctxt); 100428c2a645SAnirudh Venkataramanan 1005cb93a952SAkeem G Abodunrin /* Enable MAC Antispoof with new VSI being initialized or updated */ 1006cb93a952SAkeem G Abodunrin if (vsi->type == ICE_VSI_VF && pf->vf[vsi->vf_id].spoofchk) { 1007cb93a952SAkeem G Abodunrin ctxt->info.valid_sections |= 1008cb93a952SAkeem G Abodunrin cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); 1009cb93a952SAkeem G Abodunrin ctxt->info.sec_flags |= 1010cb93a952SAkeem G Abodunrin ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF; 1011cb93a952SAkeem G Abodunrin } 1012cb93a952SAkeem G Abodunrin 1013198a666aSBruce Allan ret = ice_add_vsi(hw, vsi->idx, ctxt, NULL); 101428c2a645SAnirudh Venkataramanan if (ret) { 101528c2a645SAnirudh Venkataramanan dev_err(&pf->pdev->dev, 101628c2a645SAnirudh Venkataramanan "Add VSI failed, err %d\n", ret); 101728c2a645SAnirudh Venkataramanan return -EIO; 101828c2a645SAnirudh Venkataramanan } 101928c2a645SAnirudh Venkataramanan 102028c2a645SAnirudh Venkataramanan /* keep context for update VSI operations */ 1021198a666aSBruce Allan vsi->info = ctxt->info; 102228c2a645SAnirudh Venkataramanan 102328c2a645SAnirudh Venkataramanan /* record VSI number returned */ 1024198a666aSBruce Allan vsi->vsi_num = ctxt->vsi_num; 102528c2a645SAnirudh Venkataramanan 1026198a666aSBruce Allan devm_kfree(&pf->pdev->dev, ctxt); 102728c2a645SAnirudh Venkataramanan return ret; 102828c2a645SAnirudh Venkataramanan } 102928c2a645SAnirudh Venkataramanan 103028c2a645SAnirudh Venkataramanan /** 1031df0f8479SAnirudh Venkataramanan * ice_free_q_vector - Free memory allocated for a specific interrupt vector 1032df0f8479SAnirudh Venkataramanan * @vsi: VSI having the memory freed 1033df0f8479SAnirudh Venkataramanan * @v_idx: index of the vector to be freed 1034df0f8479SAnirudh Venkataramanan */ 1035df0f8479SAnirudh Venkataramanan static void ice_free_q_vector(struct ice_vsi *vsi, int v_idx) 1036df0f8479SAnirudh Venkataramanan { 1037df0f8479SAnirudh Venkataramanan struct ice_q_vector *q_vector; 1038819d8998SJesse Brandeburg struct ice_pf *pf = vsi->back; 1039df0f8479SAnirudh Venkataramanan struct ice_ring *ring; 1040df0f8479SAnirudh Venkataramanan 1041df0f8479SAnirudh Venkataramanan if (!vsi->q_vectors[v_idx]) { 1042819d8998SJesse Brandeburg dev_dbg(&pf->pdev->dev, "Queue vector at index %d not found\n", 1043df0f8479SAnirudh Venkataramanan v_idx); 1044df0f8479SAnirudh Venkataramanan return; 1045df0f8479SAnirudh Venkataramanan } 1046df0f8479SAnirudh Venkataramanan q_vector = vsi->q_vectors[v_idx]; 1047df0f8479SAnirudh Venkataramanan 1048df0f8479SAnirudh Venkataramanan ice_for_each_ring(ring, q_vector->tx) 1049df0f8479SAnirudh Venkataramanan ring->q_vector = NULL; 1050df0f8479SAnirudh Venkataramanan ice_for_each_ring(ring, q_vector->rx) 1051df0f8479SAnirudh Venkataramanan ring->q_vector = NULL; 1052df0f8479SAnirudh Venkataramanan 1053df0f8479SAnirudh Venkataramanan /* only VSI with an associated netdev is set up with NAPI */ 1054df0f8479SAnirudh Venkataramanan if (vsi->netdev) 1055df0f8479SAnirudh Venkataramanan netif_napi_del(&q_vector->napi); 1056df0f8479SAnirudh Venkataramanan 1057819d8998SJesse Brandeburg devm_kfree(&pf->pdev->dev, q_vector); 1058df0f8479SAnirudh Venkataramanan vsi->q_vectors[v_idx] = NULL; 1059df0f8479SAnirudh Venkataramanan } 1060df0f8479SAnirudh Venkataramanan 1061df0f8479SAnirudh Venkataramanan /** 1062df0f8479SAnirudh Venkataramanan * ice_vsi_free_q_vectors - Free memory allocated for interrupt vectors 1063df0f8479SAnirudh Venkataramanan * @vsi: the VSI having memory freed 1064df0f8479SAnirudh Venkataramanan */ 1065df0f8479SAnirudh Venkataramanan void ice_vsi_free_q_vectors(struct ice_vsi *vsi) 1066df0f8479SAnirudh Venkataramanan { 1067df0f8479SAnirudh Venkataramanan int v_idx; 1068df0f8479SAnirudh Venkataramanan 10690c2561c8SBrett Creeley ice_for_each_q_vector(vsi, v_idx) 1070df0f8479SAnirudh Venkataramanan ice_free_q_vector(vsi, v_idx); 1071df0f8479SAnirudh Venkataramanan } 1072df0f8479SAnirudh Venkataramanan 1073df0f8479SAnirudh Venkataramanan /** 1074df0f8479SAnirudh Venkataramanan * ice_vsi_alloc_q_vector - Allocate memory for a single interrupt vector 1075df0f8479SAnirudh Venkataramanan * @vsi: the VSI being configured 1076df0f8479SAnirudh Venkataramanan * @v_idx: index of the vector in the VSI struct 1077df0f8479SAnirudh Venkataramanan * 1078df0f8479SAnirudh Venkataramanan * We allocate one q_vector. If allocation fails we return -ENOMEM. 1079df0f8479SAnirudh Venkataramanan */ 1080df0f8479SAnirudh Venkataramanan static int ice_vsi_alloc_q_vector(struct ice_vsi *vsi, int v_idx) 1081df0f8479SAnirudh Venkataramanan { 1082df0f8479SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 1083df0f8479SAnirudh Venkataramanan struct ice_q_vector *q_vector; 1084df0f8479SAnirudh Venkataramanan 1085df0f8479SAnirudh Venkataramanan /* allocate q_vector */ 1086df0f8479SAnirudh Venkataramanan q_vector = devm_kzalloc(&pf->pdev->dev, sizeof(*q_vector), GFP_KERNEL); 1087df0f8479SAnirudh Venkataramanan if (!q_vector) 1088df0f8479SAnirudh Venkataramanan return -ENOMEM; 1089df0f8479SAnirudh Venkataramanan 1090df0f8479SAnirudh Venkataramanan q_vector->vsi = vsi; 1091df0f8479SAnirudh Venkataramanan q_vector->v_idx = v_idx; 10928ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 10938ede0178SAnirudh Venkataramanan goto out; 1094df0f8479SAnirudh Venkataramanan /* only set affinity_mask if the CPU is online */ 1095df0f8479SAnirudh Venkataramanan if (cpu_online(v_idx)) 1096df0f8479SAnirudh Venkataramanan cpumask_set_cpu(v_idx, &q_vector->affinity_mask); 1097df0f8479SAnirudh Venkataramanan 1098df0f8479SAnirudh Venkataramanan /* This will not be called in the driver load path because the netdev 1099df0f8479SAnirudh Venkataramanan * will not be created yet. All other cases with register the NAPI 1100df0f8479SAnirudh Venkataramanan * handler here (i.e. resume, reset/rebuild, etc.) 1101df0f8479SAnirudh Venkataramanan */ 1102df0f8479SAnirudh Venkataramanan if (vsi->netdev) 1103df0f8479SAnirudh Venkataramanan netif_napi_add(vsi->netdev, &q_vector->napi, ice_napi_poll, 1104df0f8479SAnirudh Venkataramanan NAPI_POLL_WEIGHT); 1105df0f8479SAnirudh Venkataramanan 11068ede0178SAnirudh Venkataramanan out: 1107df0f8479SAnirudh Venkataramanan /* tie q_vector and VSI together */ 1108df0f8479SAnirudh Venkataramanan vsi->q_vectors[v_idx] = q_vector; 1109df0f8479SAnirudh Venkataramanan 1110df0f8479SAnirudh Venkataramanan return 0; 1111df0f8479SAnirudh Venkataramanan } 1112df0f8479SAnirudh Venkataramanan 1113df0f8479SAnirudh Venkataramanan /** 1114df0f8479SAnirudh Venkataramanan * ice_vsi_alloc_q_vectors - Allocate memory for interrupt vectors 1115df0f8479SAnirudh Venkataramanan * @vsi: the VSI being configured 1116df0f8479SAnirudh Venkataramanan * 1117df0f8479SAnirudh Venkataramanan * We allocate one q_vector per queue interrupt. If allocation fails we 1118df0f8479SAnirudh Venkataramanan * return -ENOMEM. 1119df0f8479SAnirudh Venkataramanan */ 112037bb8390SAnirudh Venkataramanan static int ice_vsi_alloc_q_vectors(struct ice_vsi *vsi) 1121df0f8479SAnirudh Venkataramanan { 1122df0f8479SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 1123df0f8479SAnirudh Venkataramanan int v_idx = 0, num_q_vectors; 1124df0f8479SAnirudh Venkataramanan int err; 1125df0f8479SAnirudh Venkataramanan 1126df0f8479SAnirudh Venkataramanan if (vsi->q_vectors[0]) { 1127df0f8479SAnirudh Venkataramanan dev_dbg(&pf->pdev->dev, "VSI %d has existing q_vectors\n", 1128df0f8479SAnirudh Venkataramanan vsi->vsi_num); 1129df0f8479SAnirudh Venkataramanan return -EEXIST; 1130df0f8479SAnirudh Venkataramanan } 1131df0f8479SAnirudh Venkataramanan 1132df0f8479SAnirudh Venkataramanan if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) { 1133df0f8479SAnirudh Venkataramanan num_q_vectors = vsi->num_q_vectors; 1134df0f8479SAnirudh Venkataramanan } else { 1135df0f8479SAnirudh Venkataramanan err = -EINVAL; 1136df0f8479SAnirudh Venkataramanan goto err_out; 1137df0f8479SAnirudh Venkataramanan } 1138df0f8479SAnirudh Venkataramanan 1139df0f8479SAnirudh Venkataramanan for (v_idx = 0; v_idx < num_q_vectors; v_idx++) { 1140df0f8479SAnirudh Venkataramanan err = ice_vsi_alloc_q_vector(vsi, v_idx); 1141df0f8479SAnirudh Venkataramanan if (err) 1142df0f8479SAnirudh Venkataramanan goto err_out; 1143df0f8479SAnirudh Venkataramanan } 1144df0f8479SAnirudh Venkataramanan 1145df0f8479SAnirudh Venkataramanan return 0; 1146df0f8479SAnirudh Venkataramanan 1147df0f8479SAnirudh Venkataramanan err_out: 1148df0f8479SAnirudh Venkataramanan while (v_idx--) 1149df0f8479SAnirudh Venkataramanan ice_free_q_vector(vsi, v_idx); 1150df0f8479SAnirudh Venkataramanan 1151df0f8479SAnirudh Venkataramanan dev_err(&pf->pdev->dev, 1152df0f8479SAnirudh Venkataramanan "Failed to allocate %d q_vector for VSI %d, ret=%d\n", 1153df0f8479SAnirudh Venkataramanan vsi->num_q_vectors, vsi->vsi_num, err); 1154df0f8479SAnirudh Venkataramanan vsi->num_q_vectors = 0; 1155df0f8479SAnirudh Venkataramanan return err; 1156df0f8479SAnirudh Venkataramanan } 1157df0f8479SAnirudh Venkataramanan 1158df0f8479SAnirudh Venkataramanan /** 1159df0f8479SAnirudh Venkataramanan * ice_vsi_setup_vector_base - Set up the base vector for the given VSI 1160df0f8479SAnirudh Venkataramanan * @vsi: ptr to the VSI 1161df0f8479SAnirudh Venkataramanan * 1162df0f8479SAnirudh Venkataramanan * This should only be called after ice_vsi_alloc() which allocates the 1163df0f8479SAnirudh Venkataramanan * corresponding SW VSI structure and initializes num_queue_pairs for the 1164df0f8479SAnirudh Venkataramanan * newly allocated VSI. 1165df0f8479SAnirudh Venkataramanan * 1166df0f8479SAnirudh Venkataramanan * Returns 0 on success or negative on failure 1167df0f8479SAnirudh Venkataramanan */ 116837bb8390SAnirudh Venkataramanan static int ice_vsi_setup_vector_base(struct ice_vsi *vsi) 1169df0f8479SAnirudh Venkataramanan { 1170df0f8479SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 1171cbe66bfeSBrett Creeley u16 num_q_vectors; 1172df0f8479SAnirudh Venkataramanan 1173cbe66bfeSBrett Creeley /* SRIOV doesn't grab irq_tracker entries for each VSI */ 1174cbe66bfeSBrett Creeley if (vsi->type == ICE_VSI_VF) 1175cbe66bfeSBrett Creeley return 0; 1176cbe66bfeSBrett Creeley 1177cbe66bfeSBrett Creeley if (vsi->base_vector) { 1178cbe66bfeSBrett Creeley dev_dbg(&pf->pdev->dev, "VSI %d has non-zero base vector %d\n", 1179cbe66bfeSBrett Creeley vsi->vsi_num, vsi->base_vector); 1180df0f8479SAnirudh Venkataramanan return -EEXIST; 1181df0f8479SAnirudh Venkataramanan } 1182df0f8479SAnirudh Venkataramanan 1183df0f8479SAnirudh Venkataramanan if (!test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) 1184df0f8479SAnirudh Venkataramanan return -ENOENT; 1185df0f8479SAnirudh Venkataramanan 1186df0f8479SAnirudh Venkataramanan num_q_vectors = vsi->num_q_vectors; 1187eb0208ecSPreethi Banala /* reserve slots from OS requested IRQs */ 1188cbe66bfeSBrett Creeley vsi->base_vector = ice_get_res(pf, pf->irq_tracker, num_q_vectors, 1189cbe66bfeSBrett Creeley vsi->idx); 1190cbe66bfeSBrett Creeley if (vsi->base_vector < 0) { 1191eb0208ecSPreethi Banala dev_err(&pf->pdev->dev, 1192cbe66bfeSBrett Creeley "Failed to get tracking for %d vectors for VSI %d, err=%d\n", 1193cbe66bfeSBrett Creeley num_q_vectors, vsi->vsi_num, vsi->base_vector); 1194eb0208ecSPreethi Banala return -ENOENT; 1195eb0208ecSPreethi Banala } 1196eb0208ecSPreethi Banala pf->num_avail_sw_msix -= num_q_vectors; 1197eb0208ecSPreethi Banala 1198df0f8479SAnirudh Venkataramanan return 0; 1199df0f8479SAnirudh Venkataramanan } 1200df0f8479SAnirudh Venkataramanan 1201df0f8479SAnirudh Venkataramanan /** 120228c2a645SAnirudh Venkataramanan * ice_vsi_clear_rings - Deallocates the Tx and Rx rings for VSI 120328c2a645SAnirudh Venkataramanan * @vsi: the VSI having rings deallocated 120428c2a645SAnirudh Venkataramanan */ 1205df0f8479SAnirudh Venkataramanan static void ice_vsi_clear_rings(struct ice_vsi *vsi) 120628c2a645SAnirudh Venkataramanan { 120728c2a645SAnirudh Venkataramanan int i; 120828c2a645SAnirudh Venkataramanan 120928c2a645SAnirudh Venkataramanan if (vsi->tx_rings) { 121028c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 121128c2a645SAnirudh Venkataramanan if (vsi->tx_rings[i]) { 121228c2a645SAnirudh Venkataramanan kfree_rcu(vsi->tx_rings[i], rcu); 121328c2a645SAnirudh Venkataramanan vsi->tx_rings[i] = NULL; 121428c2a645SAnirudh Venkataramanan } 121528c2a645SAnirudh Venkataramanan } 121628c2a645SAnirudh Venkataramanan } 121728c2a645SAnirudh Venkataramanan if (vsi->rx_rings) { 121828c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 121928c2a645SAnirudh Venkataramanan if (vsi->rx_rings[i]) { 122028c2a645SAnirudh Venkataramanan kfree_rcu(vsi->rx_rings[i], rcu); 122128c2a645SAnirudh Venkataramanan vsi->rx_rings[i] = NULL; 122228c2a645SAnirudh Venkataramanan } 122328c2a645SAnirudh Venkataramanan } 122428c2a645SAnirudh Venkataramanan } 122528c2a645SAnirudh Venkataramanan } 122628c2a645SAnirudh Venkataramanan 122728c2a645SAnirudh Venkataramanan /** 122828c2a645SAnirudh Venkataramanan * ice_vsi_alloc_rings - Allocates Tx and Rx rings for the VSI 122928c2a645SAnirudh Venkataramanan * @vsi: VSI which is having rings allocated 123028c2a645SAnirudh Venkataramanan */ 123137bb8390SAnirudh Venkataramanan static int ice_vsi_alloc_rings(struct ice_vsi *vsi) 123228c2a645SAnirudh Venkataramanan { 123328c2a645SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 123428c2a645SAnirudh Venkataramanan int i; 123528c2a645SAnirudh Venkataramanan 1236d337f2afSAnirudh Venkataramanan /* Allocate Tx rings */ 123728c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_txq; i++) { 123828c2a645SAnirudh Venkataramanan struct ice_ring *ring; 123928c2a645SAnirudh Venkataramanan 124028c2a645SAnirudh Venkataramanan /* allocate with kzalloc(), free with kfree_rcu() */ 124128c2a645SAnirudh Venkataramanan ring = kzalloc(sizeof(*ring), GFP_KERNEL); 124228c2a645SAnirudh Venkataramanan 124328c2a645SAnirudh Venkataramanan if (!ring) 124428c2a645SAnirudh Venkataramanan goto err_out; 124528c2a645SAnirudh Venkataramanan 124628c2a645SAnirudh Venkataramanan ring->q_index = i; 124728c2a645SAnirudh Venkataramanan ring->reg_idx = vsi->txq_map[i]; 124828c2a645SAnirudh Venkataramanan ring->ring_active = false; 124928c2a645SAnirudh Venkataramanan ring->vsi = vsi; 125028c2a645SAnirudh Venkataramanan ring->dev = &pf->pdev->dev; 1251ad71b256SBrett Creeley ring->count = vsi->num_tx_desc; 125228c2a645SAnirudh Venkataramanan vsi->tx_rings[i] = ring; 125328c2a645SAnirudh Venkataramanan } 125428c2a645SAnirudh Venkataramanan 1255d337f2afSAnirudh Venkataramanan /* Allocate Rx rings */ 125628c2a645SAnirudh Venkataramanan for (i = 0; i < vsi->alloc_rxq; i++) { 125728c2a645SAnirudh Venkataramanan struct ice_ring *ring; 125828c2a645SAnirudh Venkataramanan 125928c2a645SAnirudh Venkataramanan /* allocate with kzalloc(), free with kfree_rcu() */ 126028c2a645SAnirudh Venkataramanan ring = kzalloc(sizeof(*ring), GFP_KERNEL); 126128c2a645SAnirudh Venkataramanan if (!ring) 126228c2a645SAnirudh Venkataramanan goto err_out; 126328c2a645SAnirudh Venkataramanan 126428c2a645SAnirudh Venkataramanan ring->q_index = i; 126528c2a645SAnirudh Venkataramanan ring->reg_idx = vsi->rxq_map[i]; 126628c2a645SAnirudh Venkataramanan ring->ring_active = false; 126728c2a645SAnirudh Venkataramanan ring->vsi = vsi; 126828c2a645SAnirudh Venkataramanan ring->netdev = vsi->netdev; 126928c2a645SAnirudh Venkataramanan ring->dev = &pf->pdev->dev; 1270ad71b256SBrett Creeley ring->count = vsi->num_rx_desc; 127128c2a645SAnirudh Venkataramanan vsi->rx_rings[i] = ring; 127228c2a645SAnirudh Venkataramanan } 127328c2a645SAnirudh Venkataramanan 127428c2a645SAnirudh Venkataramanan return 0; 127528c2a645SAnirudh Venkataramanan 127628c2a645SAnirudh Venkataramanan err_out: 127728c2a645SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 127828c2a645SAnirudh Venkataramanan return -ENOMEM; 127928c2a645SAnirudh Venkataramanan } 128028c2a645SAnirudh Venkataramanan 128128c2a645SAnirudh Venkataramanan /** 128207309a0eSAnirudh Venkataramanan * ice_vsi_map_rings_to_vectors - Map VSI rings to interrupt vectors 128307309a0eSAnirudh Venkataramanan * @vsi: the VSI being configured 128407309a0eSAnirudh Venkataramanan * 128507309a0eSAnirudh Venkataramanan * This function maps descriptor rings to the queue-specific vectors allotted 128607309a0eSAnirudh Venkataramanan * through the MSI-X enabling code. On a constrained vector budget, we map Tx 128707309a0eSAnirudh Venkataramanan * and Rx rings to the vector as "efficiently" as possible. 128807309a0eSAnirudh Venkataramanan */ 12897b9ffc76SAnirudh Venkataramanan #ifdef CONFIG_DCB 12907b9ffc76SAnirudh Venkataramanan void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi) 12917b9ffc76SAnirudh Venkataramanan #else 129237bb8390SAnirudh Venkataramanan static void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi) 12937b9ffc76SAnirudh Venkataramanan #endif /* CONFIG_DCB */ 129407309a0eSAnirudh Venkataramanan { 129507309a0eSAnirudh Venkataramanan int q_vectors = vsi->num_q_vectors; 129607309a0eSAnirudh Venkataramanan int tx_rings_rem, rx_rings_rem; 129707309a0eSAnirudh Venkataramanan int v_id; 129807309a0eSAnirudh Venkataramanan 129907309a0eSAnirudh Venkataramanan /* initially assigning remaining rings count to VSIs num queue value */ 130007309a0eSAnirudh Venkataramanan tx_rings_rem = vsi->num_txq; 130107309a0eSAnirudh Venkataramanan rx_rings_rem = vsi->num_rxq; 130207309a0eSAnirudh Venkataramanan 130307309a0eSAnirudh Venkataramanan for (v_id = 0; v_id < q_vectors; v_id++) { 130407309a0eSAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[v_id]; 130507309a0eSAnirudh Venkataramanan int tx_rings_per_v, rx_rings_per_v, q_id, q_base; 130607309a0eSAnirudh Venkataramanan 130707309a0eSAnirudh Venkataramanan /* Tx rings mapping to vector */ 130807309a0eSAnirudh Venkataramanan tx_rings_per_v = DIV_ROUND_UP(tx_rings_rem, q_vectors - v_id); 130907309a0eSAnirudh Venkataramanan q_vector->num_ring_tx = tx_rings_per_v; 131007309a0eSAnirudh Venkataramanan q_vector->tx.ring = NULL; 1311d2b464a7SBrett Creeley q_vector->tx.itr_idx = ICE_TX_ITR; 131207309a0eSAnirudh Venkataramanan q_base = vsi->num_txq - tx_rings_rem; 131307309a0eSAnirudh Venkataramanan 131407309a0eSAnirudh Venkataramanan for (q_id = q_base; q_id < (q_base + tx_rings_per_v); q_id++) { 131507309a0eSAnirudh Venkataramanan struct ice_ring *tx_ring = vsi->tx_rings[q_id]; 131607309a0eSAnirudh Venkataramanan 131707309a0eSAnirudh Venkataramanan tx_ring->q_vector = q_vector; 131807309a0eSAnirudh Venkataramanan tx_ring->next = q_vector->tx.ring; 131907309a0eSAnirudh Venkataramanan q_vector->tx.ring = tx_ring; 132007309a0eSAnirudh Venkataramanan } 132107309a0eSAnirudh Venkataramanan tx_rings_rem -= tx_rings_per_v; 132207309a0eSAnirudh Venkataramanan 132307309a0eSAnirudh Venkataramanan /* Rx rings mapping to vector */ 132407309a0eSAnirudh Venkataramanan rx_rings_per_v = DIV_ROUND_UP(rx_rings_rem, q_vectors - v_id); 132507309a0eSAnirudh Venkataramanan q_vector->num_ring_rx = rx_rings_per_v; 132607309a0eSAnirudh Venkataramanan q_vector->rx.ring = NULL; 1327d2b464a7SBrett Creeley q_vector->rx.itr_idx = ICE_RX_ITR; 132807309a0eSAnirudh Venkataramanan q_base = vsi->num_rxq - rx_rings_rem; 132907309a0eSAnirudh Venkataramanan 133007309a0eSAnirudh Venkataramanan for (q_id = q_base; q_id < (q_base + rx_rings_per_v); q_id++) { 133107309a0eSAnirudh Venkataramanan struct ice_ring *rx_ring = vsi->rx_rings[q_id]; 133207309a0eSAnirudh Venkataramanan 133307309a0eSAnirudh Venkataramanan rx_ring->q_vector = q_vector; 133407309a0eSAnirudh Venkataramanan rx_ring->next = q_vector->rx.ring; 133507309a0eSAnirudh Venkataramanan q_vector->rx.ring = rx_ring; 133607309a0eSAnirudh Venkataramanan } 133707309a0eSAnirudh Venkataramanan rx_rings_rem -= rx_rings_per_v; 133807309a0eSAnirudh Venkataramanan } 133907309a0eSAnirudh Venkataramanan } 134007309a0eSAnirudh Venkataramanan 134107309a0eSAnirudh Venkataramanan /** 1342492af0abSMd Fahad Iqbal Polash * ice_vsi_manage_rss_lut - disable/enable RSS 1343492af0abSMd Fahad Iqbal Polash * @vsi: the VSI being changed 1344492af0abSMd Fahad Iqbal Polash * @ena: boolean value indicating if this is an enable or disable request 1345492af0abSMd Fahad Iqbal Polash * 1346492af0abSMd Fahad Iqbal Polash * In the event of disable request for RSS, this function will zero out RSS 1347492af0abSMd Fahad Iqbal Polash * LUT, while in the event of enable request for RSS, it will reconfigure RSS 1348492af0abSMd Fahad Iqbal Polash * LUT. 1349492af0abSMd Fahad Iqbal Polash */ 1350492af0abSMd Fahad Iqbal Polash int ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena) 1351492af0abSMd Fahad Iqbal Polash { 1352492af0abSMd Fahad Iqbal Polash int err = 0; 1353492af0abSMd Fahad Iqbal Polash u8 *lut; 1354492af0abSMd Fahad Iqbal Polash 1355492af0abSMd Fahad Iqbal Polash lut = devm_kzalloc(&vsi->back->pdev->dev, vsi->rss_table_size, 1356492af0abSMd Fahad Iqbal Polash GFP_KERNEL); 1357492af0abSMd Fahad Iqbal Polash if (!lut) 1358492af0abSMd Fahad Iqbal Polash return -ENOMEM; 1359492af0abSMd Fahad Iqbal Polash 1360492af0abSMd Fahad Iqbal Polash if (ena) { 1361492af0abSMd Fahad Iqbal Polash if (vsi->rss_lut_user) 1362492af0abSMd Fahad Iqbal Polash memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size); 1363492af0abSMd Fahad Iqbal Polash else 1364492af0abSMd Fahad Iqbal Polash ice_fill_rss_lut(lut, vsi->rss_table_size, 1365492af0abSMd Fahad Iqbal Polash vsi->rss_size); 1366492af0abSMd Fahad Iqbal Polash } 1367492af0abSMd Fahad Iqbal Polash 1368492af0abSMd Fahad Iqbal Polash err = ice_set_rss(vsi, NULL, lut, vsi->rss_table_size); 1369492af0abSMd Fahad Iqbal Polash devm_kfree(&vsi->back->pdev->dev, lut); 1370492af0abSMd Fahad Iqbal Polash return err; 1371492af0abSMd Fahad Iqbal Polash } 1372492af0abSMd Fahad Iqbal Polash 1373492af0abSMd Fahad Iqbal Polash /** 137437bb8390SAnirudh Venkataramanan * ice_vsi_cfg_rss_lut_key - Configure RSS params for a VSI 137537bb8390SAnirudh Venkataramanan * @vsi: VSI to be configured 137637bb8390SAnirudh Venkataramanan */ 137737bb8390SAnirudh Venkataramanan static int ice_vsi_cfg_rss_lut_key(struct ice_vsi *vsi) 137837bb8390SAnirudh Venkataramanan { 137937bb8390SAnirudh Venkataramanan struct ice_aqc_get_set_rss_keys *key; 138037bb8390SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 138137bb8390SAnirudh Venkataramanan enum ice_status status; 138237bb8390SAnirudh Venkataramanan int err = 0; 138337bb8390SAnirudh Venkataramanan u8 *lut; 138437bb8390SAnirudh Venkataramanan 138537bb8390SAnirudh Venkataramanan vsi->rss_size = min_t(int, vsi->rss_size, vsi->num_rxq); 138637bb8390SAnirudh Venkataramanan 138737bb8390SAnirudh Venkataramanan lut = devm_kzalloc(&pf->pdev->dev, vsi->rss_table_size, GFP_KERNEL); 138837bb8390SAnirudh Venkataramanan if (!lut) 138937bb8390SAnirudh Venkataramanan return -ENOMEM; 139037bb8390SAnirudh Venkataramanan 139137bb8390SAnirudh Venkataramanan if (vsi->rss_lut_user) 139237bb8390SAnirudh Venkataramanan memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size); 139337bb8390SAnirudh Venkataramanan else 139437bb8390SAnirudh Venkataramanan ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 139537bb8390SAnirudh Venkataramanan 13964fb33f31SAnirudh Venkataramanan status = ice_aq_set_rss_lut(&pf->hw, vsi->idx, vsi->rss_lut_type, lut, 13974fb33f31SAnirudh Venkataramanan vsi->rss_table_size); 139837bb8390SAnirudh Venkataramanan 139937bb8390SAnirudh Venkataramanan if (status) { 1400819d8998SJesse Brandeburg dev_err(&pf->pdev->dev, 140137bb8390SAnirudh Venkataramanan "set_rss_lut failed, error %d\n", status); 140237bb8390SAnirudh Venkataramanan err = -EIO; 140337bb8390SAnirudh Venkataramanan goto ice_vsi_cfg_rss_exit; 140437bb8390SAnirudh Venkataramanan } 140537bb8390SAnirudh Venkataramanan 1406819d8998SJesse Brandeburg key = devm_kzalloc(&pf->pdev->dev, sizeof(*key), GFP_KERNEL); 140737bb8390SAnirudh Venkataramanan if (!key) { 140837bb8390SAnirudh Venkataramanan err = -ENOMEM; 140937bb8390SAnirudh Venkataramanan goto ice_vsi_cfg_rss_exit; 141037bb8390SAnirudh Venkataramanan } 141137bb8390SAnirudh Venkataramanan 141237bb8390SAnirudh Venkataramanan if (vsi->rss_hkey_user) 1413b4b418b3SPaul Greenwalt memcpy(key, 1414b4b418b3SPaul Greenwalt (struct ice_aqc_get_set_rss_keys *)vsi->rss_hkey_user, 1415b4b418b3SPaul Greenwalt ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE); 141637bb8390SAnirudh Venkataramanan else 1417b4b418b3SPaul Greenwalt netdev_rss_key_fill((void *)key, 1418b4b418b3SPaul Greenwalt ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE); 141937bb8390SAnirudh Venkataramanan 14204fb33f31SAnirudh Venkataramanan status = ice_aq_set_rss_key(&pf->hw, vsi->idx, key); 142137bb8390SAnirudh Venkataramanan 142237bb8390SAnirudh Venkataramanan if (status) { 1423819d8998SJesse Brandeburg dev_err(&pf->pdev->dev, "set_rss_key failed, error %d\n", 142437bb8390SAnirudh Venkataramanan status); 142537bb8390SAnirudh Venkataramanan err = -EIO; 142637bb8390SAnirudh Venkataramanan } 142737bb8390SAnirudh Venkataramanan 142837bb8390SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, key); 142937bb8390SAnirudh Venkataramanan ice_vsi_cfg_rss_exit: 143037bb8390SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, lut); 143137bb8390SAnirudh Venkataramanan return err; 143237bb8390SAnirudh Venkataramanan } 143337bb8390SAnirudh Venkataramanan 143437bb8390SAnirudh Venkataramanan /** 1435f9867df6SAnirudh Venkataramanan * ice_add_mac_to_list - Add a MAC address filter entry to the list 143645d3d428SAnirudh Venkataramanan * @vsi: the VSI to be forwarded to 143745d3d428SAnirudh Venkataramanan * @add_list: pointer to the list which contains MAC filter entries 143845d3d428SAnirudh Venkataramanan * @macaddr: the MAC address to be added. 143945d3d428SAnirudh Venkataramanan * 1440f9867df6SAnirudh Venkataramanan * Adds MAC address filter entry to the temp list 144145d3d428SAnirudh Venkataramanan * 144245d3d428SAnirudh Venkataramanan * Returns 0 on success or ENOMEM on failure. 144345d3d428SAnirudh Venkataramanan */ 144445d3d428SAnirudh Venkataramanan int ice_add_mac_to_list(struct ice_vsi *vsi, struct list_head *add_list, 144545d3d428SAnirudh Venkataramanan const u8 *macaddr) 144645d3d428SAnirudh Venkataramanan { 144745d3d428SAnirudh Venkataramanan struct ice_fltr_list_entry *tmp; 144845d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 144945d3d428SAnirudh Venkataramanan 145045d3d428SAnirudh Venkataramanan tmp = devm_kzalloc(&pf->pdev->dev, sizeof(*tmp), GFP_ATOMIC); 145145d3d428SAnirudh Venkataramanan if (!tmp) 145245d3d428SAnirudh Venkataramanan return -ENOMEM; 145345d3d428SAnirudh Venkataramanan 145445d3d428SAnirudh Venkataramanan tmp->fltr_info.flag = ICE_FLTR_TX; 14555726ca0eSAnirudh Venkataramanan tmp->fltr_info.src_id = ICE_SRC_ID_VSI; 145645d3d428SAnirudh Venkataramanan tmp->fltr_info.lkup_type = ICE_SW_LKUP_MAC; 145745d3d428SAnirudh Venkataramanan tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI; 14585726ca0eSAnirudh Venkataramanan tmp->fltr_info.vsi_handle = vsi->idx; 145945d3d428SAnirudh Venkataramanan ether_addr_copy(tmp->fltr_info.l_data.mac.mac_addr, macaddr); 146045d3d428SAnirudh Venkataramanan 146145d3d428SAnirudh Venkataramanan INIT_LIST_HEAD(&tmp->list_entry); 146245d3d428SAnirudh Venkataramanan list_add(&tmp->list_entry, add_list); 146345d3d428SAnirudh Venkataramanan 146445d3d428SAnirudh Venkataramanan return 0; 146545d3d428SAnirudh Venkataramanan } 146645d3d428SAnirudh Venkataramanan 146745d3d428SAnirudh Venkataramanan /** 146845d3d428SAnirudh Venkataramanan * ice_update_eth_stats - Update VSI-specific ethernet statistics counters 146945d3d428SAnirudh Venkataramanan * @vsi: the VSI to be updated 147045d3d428SAnirudh Venkataramanan */ 147145d3d428SAnirudh Venkataramanan void ice_update_eth_stats(struct ice_vsi *vsi) 147245d3d428SAnirudh Venkataramanan { 147345d3d428SAnirudh Venkataramanan struct ice_eth_stats *prev_es, *cur_es; 147445d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 147545d3d428SAnirudh Venkataramanan u16 vsi_num = vsi->vsi_num; /* HW absolute index of a VSI */ 147645d3d428SAnirudh Venkataramanan 147745d3d428SAnirudh Venkataramanan prev_es = &vsi->eth_stats_prev; 147845d3d428SAnirudh Venkataramanan cur_es = &vsi->eth_stats; 147945d3d428SAnirudh Venkataramanan 148045d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_GORCH(vsi_num), GLV_GORCL(vsi_num), 148145d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->rx_bytes, 148245d3d428SAnirudh Venkataramanan &cur_es->rx_bytes); 148345d3d428SAnirudh Venkataramanan 148445d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_UPRCH(vsi_num), GLV_UPRCL(vsi_num), 148545d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->rx_unicast, 148645d3d428SAnirudh Venkataramanan &cur_es->rx_unicast); 148745d3d428SAnirudh Venkataramanan 148845d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_MPRCH(vsi_num), GLV_MPRCL(vsi_num), 148945d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->rx_multicast, 149045d3d428SAnirudh Venkataramanan &cur_es->rx_multicast); 149145d3d428SAnirudh Venkataramanan 149245d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_BPRCH(vsi_num), GLV_BPRCL(vsi_num), 149345d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->rx_broadcast, 149445d3d428SAnirudh Venkataramanan &cur_es->rx_broadcast); 149545d3d428SAnirudh Venkataramanan 149645d3d428SAnirudh Venkataramanan ice_stat_update32(hw, GLV_RDPC(vsi_num), vsi->stat_offsets_loaded, 149745d3d428SAnirudh Venkataramanan &prev_es->rx_discards, &cur_es->rx_discards); 149845d3d428SAnirudh Venkataramanan 149945d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_GOTCH(vsi_num), GLV_GOTCL(vsi_num), 150045d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->tx_bytes, 150145d3d428SAnirudh Venkataramanan &cur_es->tx_bytes); 150245d3d428SAnirudh Venkataramanan 150345d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_UPTCH(vsi_num), GLV_UPTCL(vsi_num), 150445d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->tx_unicast, 150545d3d428SAnirudh Venkataramanan &cur_es->tx_unicast); 150645d3d428SAnirudh Venkataramanan 150745d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_MPTCH(vsi_num), GLV_MPTCL(vsi_num), 150845d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->tx_multicast, 150945d3d428SAnirudh Venkataramanan &cur_es->tx_multicast); 151045d3d428SAnirudh Venkataramanan 151145d3d428SAnirudh Venkataramanan ice_stat_update40(hw, GLV_BPTCH(vsi_num), GLV_BPTCL(vsi_num), 151245d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded, &prev_es->tx_broadcast, 151345d3d428SAnirudh Venkataramanan &cur_es->tx_broadcast); 151445d3d428SAnirudh Venkataramanan 151545d3d428SAnirudh Venkataramanan ice_stat_update32(hw, GLV_TEPC(vsi_num), vsi->stat_offsets_loaded, 151645d3d428SAnirudh Venkataramanan &prev_es->tx_errors, &cur_es->tx_errors); 151745d3d428SAnirudh Venkataramanan 151845d3d428SAnirudh Venkataramanan vsi->stat_offsets_loaded = true; 151945d3d428SAnirudh Venkataramanan } 152045d3d428SAnirudh Venkataramanan 152145d3d428SAnirudh Venkataramanan /** 152245d3d428SAnirudh Venkataramanan * ice_free_fltr_list - free filter lists helper 152345d3d428SAnirudh Venkataramanan * @dev: pointer to the device struct 152445d3d428SAnirudh Venkataramanan * @h: pointer to the list head to be freed 152545d3d428SAnirudh Venkataramanan * 152645d3d428SAnirudh Venkataramanan * Helper function to free filter lists previously created using 152745d3d428SAnirudh Venkataramanan * ice_add_mac_to_list 152845d3d428SAnirudh Venkataramanan */ 152945d3d428SAnirudh Venkataramanan void ice_free_fltr_list(struct device *dev, struct list_head *h) 153045d3d428SAnirudh Venkataramanan { 153145d3d428SAnirudh Venkataramanan struct ice_fltr_list_entry *e, *tmp; 153245d3d428SAnirudh Venkataramanan 153345d3d428SAnirudh Venkataramanan list_for_each_entry_safe(e, tmp, h, list_entry) { 153445d3d428SAnirudh Venkataramanan list_del(&e->list_entry); 153545d3d428SAnirudh Venkataramanan devm_kfree(dev, e); 153645d3d428SAnirudh Venkataramanan } 153745d3d428SAnirudh Venkataramanan } 153845d3d428SAnirudh Venkataramanan 153945d3d428SAnirudh Venkataramanan /** 154045d3d428SAnirudh Venkataramanan * ice_vsi_add_vlan - Add VSI membership for given VLAN 154145d3d428SAnirudh Venkataramanan * @vsi: the VSI being configured 1542f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be added 154345d3d428SAnirudh Venkataramanan */ 154445d3d428SAnirudh Venkataramanan int ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid) 154545d3d428SAnirudh Venkataramanan { 154645d3d428SAnirudh Venkataramanan struct ice_fltr_list_entry *tmp; 154745d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 154845d3d428SAnirudh Venkataramanan LIST_HEAD(tmp_add_list); 154945d3d428SAnirudh Venkataramanan enum ice_status status; 155045d3d428SAnirudh Venkataramanan int err = 0; 155145d3d428SAnirudh Venkataramanan 155245d3d428SAnirudh Venkataramanan tmp = devm_kzalloc(&pf->pdev->dev, sizeof(*tmp), GFP_KERNEL); 155345d3d428SAnirudh Venkataramanan if (!tmp) 155445d3d428SAnirudh Venkataramanan return -ENOMEM; 155545d3d428SAnirudh Venkataramanan 155645d3d428SAnirudh Venkataramanan tmp->fltr_info.lkup_type = ICE_SW_LKUP_VLAN; 155745d3d428SAnirudh Venkataramanan tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI; 155845d3d428SAnirudh Venkataramanan tmp->fltr_info.flag = ICE_FLTR_TX; 15595726ca0eSAnirudh Venkataramanan tmp->fltr_info.src_id = ICE_SRC_ID_VSI; 15605726ca0eSAnirudh Venkataramanan tmp->fltr_info.vsi_handle = vsi->idx; 156145d3d428SAnirudh Venkataramanan tmp->fltr_info.l_data.vlan.vlan_id = vid; 156245d3d428SAnirudh Venkataramanan 156345d3d428SAnirudh Venkataramanan INIT_LIST_HEAD(&tmp->list_entry); 156445d3d428SAnirudh Venkataramanan list_add(&tmp->list_entry, &tmp_add_list); 156545d3d428SAnirudh Venkataramanan 156645d3d428SAnirudh Venkataramanan status = ice_add_vlan(&pf->hw, &tmp_add_list); 156745d3d428SAnirudh Venkataramanan if (status) { 156845d3d428SAnirudh Venkataramanan err = -ENODEV; 156945d3d428SAnirudh Venkataramanan dev_err(&pf->pdev->dev, "Failure Adding VLAN %d on VSI %i\n", 157045d3d428SAnirudh Venkataramanan vid, vsi->vsi_num); 157145d3d428SAnirudh Venkataramanan } 157245d3d428SAnirudh Venkataramanan 157345d3d428SAnirudh Venkataramanan ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list); 157445d3d428SAnirudh Venkataramanan return err; 157545d3d428SAnirudh Venkataramanan } 157645d3d428SAnirudh Venkataramanan 157745d3d428SAnirudh Venkataramanan /** 157845d3d428SAnirudh Venkataramanan * ice_vsi_kill_vlan - Remove VSI membership for a given VLAN 157945d3d428SAnirudh Venkataramanan * @vsi: the VSI being configured 1580f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be removed 158145d3d428SAnirudh Venkataramanan * 158245d3d428SAnirudh Venkataramanan * Returns 0 on success and negative on failure 158345d3d428SAnirudh Venkataramanan */ 158445d3d428SAnirudh Venkataramanan int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid) 158545d3d428SAnirudh Venkataramanan { 158645d3d428SAnirudh Venkataramanan struct ice_fltr_list_entry *list; 158745d3d428SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 158845d3d428SAnirudh Venkataramanan LIST_HEAD(tmp_add_list); 15895079b853SAkeem G Abodunrin enum ice_status status; 15905079b853SAkeem G Abodunrin int err = 0; 159145d3d428SAnirudh Venkataramanan 159245d3d428SAnirudh Venkataramanan list = devm_kzalloc(&pf->pdev->dev, sizeof(*list), GFP_KERNEL); 159345d3d428SAnirudh Venkataramanan if (!list) 159445d3d428SAnirudh Venkataramanan return -ENOMEM; 159545d3d428SAnirudh Venkataramanan 159645d3d428SAnirudh Venkataramanan list->fltr_info.lkup_type = ICE_SW_LKUP_VLAN; 15975726ca0eSAnirudh Venkataramanan list->fltr_info.vsi_handle = vsi->idx; 159845d3d428SAnirudh Venkataramanan list->fltr_info.fltr_act = ICE_FWD_TO_VSI; 159945d3d428SAnirudh Venkataramanan list->fltr_info.l_data.vlan.vlan_id = vid; 160045d3d428SAnirudh Venkataramanan list->fltr_info.flag = ICE_FLTR_TX; 16015726ca0eSAnirudh Venkataramanan list->fltr_info.src_id = ICE_SRC_ID_VSI; 160245d3d428SAnirudh Venkataramanan 160345d3d428SAnirudh Venkataramanan INIT_LIST_HEAD(&list->list_entry); 160445d3d428SAnirudh Venkataramanan list_add(&list->list_entry, &tmp_add_list); 160545d3d428SAnirudh Venkataramanan 16065079b853SAkeem G Abodunrin status = ice_remove_vlan(&pf->hw, &tmp_add_list); 1607bb877b22SAkeem G Abodunrin if (status == ICE_ERR_DOES_NOT_EXIST) { 1608bb877b22SAkeem G Abodunrin dev_dbg(&pf->pdev->dev, 1609bb877b22SAkeem G Abodunrin "Failed to remove VLAN %d on VSI %i, it does not exist, status: %d\n", 1610bb877b22SAkeem G Abodunrin vid, vsi->vsi_num, status); 1611bb877b22SAkeem G Abodunrin } else if (status) { 16125079b853SAkeem G Abodunrin dev_err(&pf->pdev->dev, 16135079b853SAkeem G Abodunrin "Error removing VLAN %d on vsi %i error: %d\n", 16145079b853SAkeem G Abodunrin vid, vsi->vsi_num, status); 16155079b853SAkeem G Abodunrin err = -EIO; 161645d3d428SAnirudh Venkataramanan } 161745d3d428SAnirudh Venkataramanan 161845d3d428SAnirudh Venkataramanan ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list); 16195079b853SAkeem G Abodunrin return err; 162045d3d428SAnirudh Venkataramanan } 162145d3d428SAnirudh Venkataramanan 162245d3d428SAnirudh Venkataramanan /** 162372adf242SAnirudh Venkataramanan * ice_vsi_cfg_rxqs - Configure the VSI for Rx 162472adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 162572adf242SAnirudh Venkataramanan * 162672adf242SAnirudh Venkataramanan * Return 0 on success and a negative value on error 162772adf242SAnirudh Venkataramanan * Configure the Rx VSI for operation. 162872adf242SAnirudh Venkataramanan */ 162972adf242SAnirudh Venkataramanan int ice_vsi_cfg_rxqs(struct ice_vsi *vsi) 163072adf242SAnirudh Venkataramanan { 163172adf242SAnirudh Venkataramanan u16 i; 163272adf242SAnirudh Venkataramanan 16338ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 16348ede0178SAnirudh Venkataramanan goto setup_rings; 16358ede0178SAnirudh Venkataramanan 163672adf242SAnirudh Venkataramanan if (vsi->netdev && vsi->netdev->mtu > ETH_DATA_LEN) 163772adf242SAnirudh Venkataramanan vsi->max_frame = vsi->netdev->mtu + 163872adf242SAnirudh Venkataramanan ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; 163972adf242SAnirudh Venkataramanan else 164072adf242SAnirudh Venkataramanan vsi->max_frame = ICE_RXBUF_2048; 164172adf242SAnirudh Venkataramanan 164272adf242SAnirudh Venkataramanan vsi->rx_buf_len = ICE_RXBUF_2048; 16438ede0178SAnirudh Venkataramanan setup_rings: 164472adf242SAnirudh Venkataramanan /* set up individual rings */ 16451553f4f7SBrett Creeley for (i = 0; i < vsi->num_rxq; i++) { 16461553f4f7SBrett Creeley int err; 164772adf242SAnirudh Venkataramanan 16481553f4f7SBrett Creeley err = ice_setup_rx_ctx(vsi->rx_rings[i]); 164972adf242SAnirudh Venkataramanan if (err) { 16501553f4f7SBrett Creeley dev_err(&vsi->back->pdev->dev, 16511553f4f7SBrett Creeley "ice_setup_rx_ctx failed for RxQ %d, err %d\n", 16521553f4f7SBrett Creeley i, err); 165372adf242SAnirudh Venkataramanan return err; 165472adf242SAnirudh Venkataramanan } 16551553f4f7SBrett Creeley } 16561553f4f7SBrett Creeley 16571553f4f7SBrett Creeley return 0; 16581553f4f7SBrett Creeley } 165972adf242SAnirudh Venkataramanan 166072adf242SAnirudh Venkataramanan /** 166172adf242SAnirudh Venkataramanan * ice_vsi_cfg_txqs - Configure the VSI for Tx 166272adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 166303f7a986SAnirudh Venkataramanan * @rings: Tx ring array to be configured 166403f7a986SAnirudh Venkataramanan * @offset: offset within vsi->txq_map 166572adf242SAnirudh Venkataramanan * 166672adf242SAnirudh Venkataramanan * Return 0 on success and a negative value on error 166772adf242SAnirudh Venkataramanan * Configure the Tx VSI for operation. 166872adf242SAnirudh Venkataramanan */ 166903f7a986SAnirudh Venkataramanan static int 167003f7a986SAnirudh Venkataramanan ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_ring **rings, int offset) 167172adf242SAnirudh Venkataramanan { 167272adf242SAnirudh Venkataramanan struct ice_aqc_add_tx_qgrp *qg_buf; 167372adf242SAnirudh Venkataramanan struct ice_aqc_add_txqs_perq *txq; 167472adf242SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 1675c5a2a4a3SUsha Ketineni u8 num_q_grps, q_idx = 0; 167672adf242SAnirudh Venkataramanan enum ice_status status; 167772adf242SAnirudh Venkataramanan u16 buf_len, i, pf_q; 167803f7a986SAnirudh Venkataramanan int err = 0, tc; 167972adf242SAnirudh Venkataramanan 1680c6dfd690SBruce Allan buf_len = sizeof(*qg_buf); 168172adf242SAnirudh Venkataramanan qg_buf = devm_kzalloc(&pf->pdev->dev, buf_len, GFP_KERNEL); 168272adf242SAnirudh Venkataramanan if (!qg_buf) 168372adf242SAnirudh Venkataramanan return -ENOMEM; 168472adf242SAnirudh Venkataramanan 168572adf242SAnirudh Venkataramanan qg_buf->num_txqs = 1; 168672adf242SAnirudh Venkataramanan num_q_grps = 1; 168772adf242SAnirudh Venkataramanan 1688c5a2a4a3SUsha Ketineni /* set up and configure the Tx queues for each enabled TC */ 16892bdc97beSBruce Allan ice_for_each_traffic_class(tc) { 1690c5a2a4a3SUsha Ketineni if (!(vsi->tc_cfg.ena_tc & BIT(tc))) 1691c5a2a4a3SUsha Ketineni break; 1692c5a2a4a3SUsha Ketineni 1693c5a2a4a3SUsha Ketineni for (i = 0; i < vsi->tc_cfg.tc_info[tc].qcount_tx; i++) { 169472adf242SAnirudh Venkataramanan struct ice_tlan_ctx tlan_ctx = { 0 }; 169572adf242SAnirudh Venkataramanan 169603f7a986SAnirudh Venkataramanan pf_q = vsi->txq_map[q_idx + offset]; 169703f7a986SAnirudh Venkataramanan ice_setup_tx_ctx(rings[q_idx], &tlan_ctx, pf_q); 169872adf242SAnirudh Venkataramanan /* copy context contents into the qg_buf */ 169972adf242SAnirudh Venkataramanan qg_buf->txqs[0].txq_id = cpu_to_le16(pf_q); 170072adf242SAnirudh Venkataramanan ice_set_ctx((u8 *)&tlan_ctx, qg_buf->txqs[0].txq_ctx, 170172adf242SAnirudh Venkataramanan ice_tlan_ctx_info); 170272adf242SAnirudh Venkataramanan 1703c5a2a4a3SUsha Ketineni /* init queue specific tail reg. It is referred as 1704c5a2a4a3SUsha Ketineni * transmit comm scheduler queue doorbell. 170572adf242SAnirudh Venkataramanan */ 170603f7a986SAnirudh Venkataramanan rings[q_idx]->tail = 1707c5a2a4a3SUsha Ketineni pf->hw.hw_addr + QTX_COMM_DBELL(pf_q); 17084fb33f31SAnirudh Venkataramanan status = ice_ena_vsi_txq(vsi->port_info, vsi->idx, tc, 1709bb87ee0eSAnirudh Venkataramanan i, num_q_grps, qg_buf, 1710bb87ee0eSAnirudh Venkataramanan buf_len, NULL); 171172adf242SAnirudh Venkataramanan if (status) { 1712819d8998SJesse Brandeburg dev_err(&pf->pdev->dev, 171372adf242SAnirudh Venkataramanan "Failed to set LAN Tx queue context, error: %d\n", 171472adf242SAnirudh Venkataramanan status); 171572adf242SAnirudh Venkataramanan err = -ENODEV; 171672adf242SAnirudh Venkataramanan goto err_cfg_txqs; 171772adf242SAnirudh Venkataramanan } 171872adf242SAnirudh Venkataramanan 1719c5a2a4a3SUsha Ketineni /* Add Tx Queue TEID into the VSI Tx ring from the 1720c5a2a4a3SUsha Ketineni * response. This will complete configuring and 1721c5a2a4a3SUsha Ketineni * enabling the queue. 172272adf242SAnirudh Venkataramanan */ 172372adf242SAnirudh Venkataramanan txq = &qg_buf->txqs[0]; 172472adf242SAnirudh Venkataramanan if (pf_q == le16_to_cpu(txq->txq_id)) 172503f7a986SAnirudh Venkataramanan rings[q_idx]->txq_teid = 172672adf242SAnirudh Venkataramanan le32_to_cpu(txq->q_teid); 1727c5a2a4a3SUsha Ketineni 1728c5a2a4a3SUsha Ketineni q_idx++; 1729c5a2a4a3SUsha Ketineni } 173072adf242SAnirudh Venkataramanan } 173172adf242SAnirudh Venkataramanan err_cfg_txqs: 173272adf242SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, qg_buf); 173372adf242SAnirudh Venkataramanan return err; 173472adf242SAnirudh Venkataramanan } 173572adf242SAnirudh Venkataramanan 173672adf242SAnirudh Venkataramanan /** 173703f7a986SAnirudh Venkataramanan * ice_vsi_cfg_lan_txqs - Configure the VSI for Tx 173803f7a986SAnirudh Venkataramanan * @vsi: the VSI being configured 173903f7a986SAnirudh Venkataramanan * 174003f7a986SAnirudh Venkataramanan * Return 0 on success and a negative value on error 174103f7a986SAnirudh Venkataramanan * Configure the Tx VSI for operation. 174203f7a986SAnirudh Venkataramanan */ 174303f7a986SAnirudh Venkataramanan int ice_vsi_cfg_lan_txqs(struct ice_vsi *vsi) 174403f7a986SAnirudh Venkataramanan { 174503f7a986SAnirudh Venkataramanan return ice_vsi_cfg_txqs(vsi, vsi->tx_rings, 0); 174603f7a986SAnirudh Venkataramanan } 174703f7a986SAnirudh Venkataramanan 174803f7a986SAnirudh Venkataramanan /** 17499e4ab4c2SBrett Creeley * ice_intrl_usec_to_reg - convert interrupt rate limit to register value 17509e4ab4c2SBrett Creeley * @intrl: interrupt rate limit in usecs 17519e4ab4c2SBrett Creeley * @gran: interrupt rate limit granularity in usecs 17529e4ab4c2SBrett Creeley * 17539e4ab4c2SBrett Creeley * This function converts a decimal interrupt rate limit in usecs to the format 17549e4ab4c2SBrett Creeley * expected by firmware. 17559e4ab4c2SBrett Creeley */ 1756b9c8bb06SBrett Creeley u32 ice_intrl_usec_to_reg(u8 intrl, u8 gran) 17579e4ab4c2SBrett Creeley { 17589e4ab4c2SBrett Creeley u32 val = intrl / gran; 17599e4ab4c2SBrett Creeley 17609e4ab4c2SBrett Creeley if (val) 17619e4ab4c2SBrett Creeley return val | GLINT_RATE_INTRL_ENA_M; 17629e4ab4c2SBrett Creeley return 0; 17639e4ab4c2SBrett Creeley } 17649e4ab4c2SBrett Creeley 17659e4ab4c2SBrett Creeley /** 176670457520SBrett Creeley * ice_cfg_itr_gran - set the ITR granularity to 2 usecs if not already set 176770457520SBrett Creeley * @hw: board specific structure 176870457520SBrett Creeley */ 176970457520SBrett Creeley static void ice_cfg_itr_gran(struct ice_hw *hw) 177070457520SBrett Creeley { 177170457520SBrett Creeley u32 regval = rd32(hw, GLINT_CTL); 177270457520SBrett Creeley 177370457520SBrett Creeley /* no need to update global register if ITR gran is already set */ 177470457520SBrett Creeley if (!(regval & GLINT_CTL_DIS_AUTOMASK_M) && 177570457520SBrett Creeley (((regval & GLINT_CTL_ITR_GRAN_200_M) >> 177670457520SBrett Creeley GLINT_CTL_ITR_GRAN_200_S) == ICE_ITR_GRAN_US) && 177770457520SBrett Creeley (((regval & GLINT_CTL_ITR_GRAN_100_M) >> 177870457520SBrett Creeley GLINT_CTL_ITR_GRAN_100_S) == ICE_ITR_GRAN_US) && 177970457520SBrett Creeley (((regval & GLINT_CTL_ITR_GRAN_50_M) >> 178070457520SBrett Creeley GLINT_CTL_ITR_GRAN_50_S) == ICE_ITR_GRAN_US) && 178170457520SBrett Creeley (((regval & GLINT_CTL_ITR_GRAN_25_M) >> 178270457520SBrett Creeley GLINT_CTL_ITR_GRAN_25_S) == ICE_ITR_GRAN_US)) 178370457520SBrett Creeley return; 178470457520SBrett Creeley 178570457520SBrett Creeley regval = ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_200_S) & 178670457520SBrett Creeley GLINT_CTL_ITR_GRAN_200_M) | 178770457520SBrett Creeley ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_100_S) & 178870457520SBrett Creeley GLINT_CTL_ITR_GRAN_100_M) | 178970457520SBrett Creeley ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_50_S) & 179070457520SBrett Creeley GLINT_CTL_ITR_GRAN_50_M) | 179170457520SBrett Creeley ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_25_S) & 179270457520SBrett Creeley GLINT_CTL_ITR_GRAN_25_M); 179370457520SBrett Creeley wr32(hw, GLINT_CTL, regval); 179470457520SBrett Creeley } 179570457520SBrett Creeley 179670457520SBrett Creeley /** 1797d2b464a7SBrett Creeley * ice_cfg_itr - configure the initial interrupt throttle values 1798d2b464a7SBrett Creeley * @hw: pointer to the HW structure 1799d2b464a7SBrett Creeley * @q_vector: interrupt vector that's being configured 1800d2b464a7SBrett Creeley * 1801d2b464a7SBrett Creeley * Configure interrupt throttling values for the ring containers that are 1802d2b464a7SBrett Creeley * associated with the interrupt vector passed in. 1803d2b464a7SBrett Creeley */ 1804d2b464a7SBrett Creeley static void 1805b07833a0SBrett Creeley ice_cfg_itr(struct ice_hw *hw, struct ice_q_vector *q_vector) 1806d2b464a7SBrett Creeley { 180770457520SBrett Creeley ice_cfg_itr_gran(hw); 180870457520SBrett Creeley 1809d2b464a7SBrett Creeley if (q_vector->num_ring_rx) { 1810d2b464a7SBrett Creeley struct ice_ring_container *rc = &q_vector->rx; 1811d2b464a7SBrett Creeley 181263f545edSBrett Creeley /* if this value is set then don't overwrite with default */ 181363f545edSBrett Creeley if (!rc->itr_setting) 181463f545edSBrett Creeley rc->itr_setting = ICE_DFLT_RX_ITR; 181563f545edSBrett Creeley 181663f545edSBrett Creeley rc->target_itr = ITR_TO_REG(rc->itr_setting); 181763f545edSBrett Creeley rc->next_update = jiffies + 1; 181863f545edSBrett Creeley rc->current_itr = rc->target_itr; 1819b07833a0SBrett Creeley wr32(hw, GLINT_ITR(rc->itr_idx, q_vector->reg_idx), 182063f545edSBrett Creeley ITR_REG_ALIGN(rc->current_itr) >> ICE_ITR_GRAN_S); 1821d2b464a7SBrett Creeley } 1822d2b464a7SBrett Creeley 1823d2b464a7SBrett Creeley if (q_vector->num_ring_tx) { 1824d2b464a7SBrett Creeley struct ice_ring_container *rc = &q_vector->tx; 1825d2b464a7SBrett Creeley 182663f545edSBrett Creeley /* if this value is set then don't overwrite with default */ 182763f545edSBrett Creeley if (!rc->itr_setting) 182863f545edSBrett Creeley rc->itr_setting = ICE_DFLT_TX_ITR; 182963f545edSBrett Creeley 183063f545edSBrett Creeley rc->target_itr = ITR_TO_REG(rc->itr_setting); 183163f545edSBrett Creeley rc->next_update = jiffies + 1; 183263f545edSBrett Creeley rc->current_itr = rc->target_itr; 1833b07833a0SBrett Creeley wr32(hw, GLINT_ITR(rc->itr_idx, q_vector->reg_idx), 183463f545edSBrett Creeley ITR_REG_ALIGN(rc->current_itr) >> ICE_ITR_GRAN_S); 1835d2b464a7SBrett Creeley } 1836d2b464a7SBrett Creeley } 1837d2b464a7SBrett Creeley 1838d2b464a7SBrett Creeley /** 183972adf242SAnirudh Venkataramanan * ice_vsi_cfg_msix - MSIX mode Interrupt Config in the HW 184072adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 184172adf242SAnirudh Venkataramanan */ 184272adf242SAnirudh Venkataramanan void ice_vsi_cfg_msix(struct ice_vsi *vsi) 184372adf242SAnirudh Venkataramanan { 184472adf242SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 184572adf242SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 184672adf242SAnirudh Venkataramanan u32 txq = 0, rxq = 0; 1847d2b464a7SBrett Creeley int i, q; 184872adf242SAnirudh Venkataramanan 1849b07833a0SBrett Creeley for (i = 0; i < vsi->num_q_vectors; i++) { 185072adf242SAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[i]; 1851b07833a0SBrett Creeley u16 reg_idx = q_vector->reg_idx; 185272adf242SAnirudh Venkataramanan 18534b6f3ecaSBrett Creeley if (vsi->type != ICE_VSI_VF) 1854b07833a0SBrett Creeley ice_cfg_itr(hw, q_vector); 18559e4ab4c2SBrett Creeley 1856b07833a0SBrett Creeley wr32(hw, GLINT_RATE(reg_idx), 18579e4ab4c2SBrett Creeley ice_intrl_usec_to_reg(q_vector->intrl, hw->intrl_gran)); 185872adf242SAnirudh Venkataramanan 185972adf242SAnirudh Venkataramanan /* Both Transmit Queue Interrupt Cause Control register 186072adf242SAnirudh Venkataramanan * and Receive Queue Interrupt Cause control register 186172adf242SAnirudh Venkataramanan * expects MSIX_INDX field to be the vector index 186272adf242SAnirudh Venkataramanan * within the function space and not the absolute 186372adf242SAnirudh Venkataramanan * vector index across PF or across device. 186472adf242SAnirudh Venkataramanan * For SR-IOV VF VSIs queue vector index always starts 186572adf242SAnirudh Venkataramanan * with 1 since first vector index(0) is used for OICR 186672adf242SAnirudh Venkataramanan * in VF space. Since VMDq and other PF VSIs are within 186772adf242SAnirudh Venkataramanan * the PF function space, use the vector index that is 186872adf242SAnirudh Venkataramanan * tracked for this PF. 186972adf242SAnirudh Venkataramanan */ 187072adf242SAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_tx; q++) { 1871ba0db585SMichal Swiatkowski int itr_idx = (q_vector->tx.itr_idx << 1872ba0db585SMichal Swiatkowski QINT_TQCTL_ITR_INDX_S) & 1873ba0db585SMichal Swiatkowski QINT_TQCTL_ITR_INDX_M; 187472adf242SAnirudh Venkataramanan u32 val; 187572adf242SAnirudh Venkataramanan 18768ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 1877ba0db585SMichal Swiatkowski val = QINT_TQCTL_CAUSE_ENA_M | itr_idx | 1878ba0db585SMichal Swiatkowski (((i + 1) << QINT_TQCTL_MSIX_INDX_S) & 1879ba0db585SMichal Swiatkowski QINT_TQCTL_MSIX_INDX_M); 18808ede0178SAnirudh Venkataramanan else 1881ba0db585SMichal Swiatkowski val = QINT_TQCTL_CAUSE_ENA_M | itr_idx | 1882ba0db585SMichal Swiatkowski ((reg_idx << QINT_TQCTL_MSIX_INDX_S) & 1883ba0db585SMichal Swiatkowski QINT_TQCTL_MSIX_INDX_M); 188472adf242SAnirudh Venkataramanan wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), val); 188572adf242SAnirudh Venkataramanan txq++; 188672adf242SAnirudh Venkataramanan } 188772adf242SAnirudh Venkataramanan 188872adf242SAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_rx; q++) { 1889ba0db585SMichal Swiatkowski int itr_idx = (q_vector->rx.itr_idx << 1890ba0db585SMichal Swiatkowski QINT_RQCTL_ITR_INDX_S) & 1891ba0db585SMichal Swiatkowski QINT_RQCTL_ITR_INDX_M; 189272adf242SAnirudh Venkataramanan u32 val; 189372adf242SAnirudh Venkataramanan 18948ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 1895ba0db585SMichal Swiatkowski val = QINT_RQCTL_CAUSE_ENA_M | itr_idx | 1896ba0db585SMichal Swiatkowski (((i + 1) << QINT_RQCTL_MSIX_INDX_S) & 1897ba0db585SMichal Swiatkowski QINT_RQCTL_MSIX_INDX_M); 18988ede0178SAnirudh Venkataramanan else 1899ba0db585SMichal Swiatkowski val = QINT_RQCTL_CAUSE_ENA_M | itr_idx | 1900ba0db585SMichal Swiatkowski ((reg_idx << QINT_RQCTL_MSIX_INDX_S) & 1901ba0db585SMichal Swiatkowski QINT_RQCTL_MSIX_INDX_M); 190272adf242SAnirudh Venkataramanan wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), val); 190372adf242SAnirudh Venkataramanan rxq++; 190472adf242SAnirudh Venkataramanan } 190572adf242SAnirudh Venkataramanan } 190672adf242SAnirudh Venkataramanan 190772adf242SAnirudh Venkataramanan ice_flush(hw); 190872adf242SAnirudh Venkataramanan } 190972adf242SAnirudh Venkataramanan 191072adf242SAnirudh Venkataramanan /** 191145d3d428SAnirudh Venkataramanan * ice_vsi_manage_vlan_insertion - Manage VLAN insertion for the VSI for Tx 191245d3d428SAnirudh Venkataramanan * @vsi: the VSI being changed 191345d3d428SAnirudh Venkataramanan */ 191445d3d428SAnirudh Venkataramanan int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi) 191545d3d428SAnirudh Venkataramanan { 191645d3d428SAnirudh Venkataramanan struct device *dev = &vsi->back->pdev->dev; 191745d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 1918198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 191945d3d428SAnirudh Venkataramanan enum ice_status status; 1920198a666aSBruce Allan int ret = 0; 1921198a666aSBruce Allan 1922198a666aSBruce Allan ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL); 1923198a666aSBruce Allan if (!ctxt) 1924198a666aSBruce Allan return -ENOMEM; 192545d3d428SAnirudh Venkataramanan 192645d3d428SAnirudh Venkataramanan /* Here we are configuring the VSI to let the driver add VLAN tags by 192745d3d428SAnirudh Venkataramanan * setting vlan_flags to ICE_AQ_VSI_VLAN_MODE_ALL. The actual VLAN tag 192845d3d428SAnirudh Venkataramanan * insertion happens in the Tx hot path, in ice_tx_map. 192945d3d428SAnirudh Venkataramanan */ 1930198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL; 193145d3d428SAnirudh Venkataramanan 1932e80e76dbSTony Nguyen /* Preserve existing VLAN strip setting */ 1933e80e76dbSTony Nguyen ctxt->info.vlan_flags |= (vsi->info.vlan_flags & 1934e80e76dbSTony Nguyen ICE_AQ_VSI_VLAN_EMOD_M); 1935e80e76dbSTony Nguyen 1936198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); 193745d3d428SAnirudh Venkataramanan 1938198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 193945d3d428SAnirudh Venkataramanan if (status) { 194045d3d428SAnirudh Venkataramanan dev_err(dev, "update VSI for VLAN insert failed, err %d aq_err %d\n", 194145d3d428SAnirudh Venkataramanan status, hw->adminq.sq_last_status); 1942198a666aSBruce Allan ret = -EIO; 1943198a666aSBruce Allan goto out; 194445d3d428SAnirudh Venkataramanan } 194545d3d428SAnirudh Venkataramanan 1946198a666aSBruce Allan vsi->info.vlan_flags = ctxt->info.vlan_flags; 1947198a666aSBruce Allan out: 1948198a666aSBruce Allan devm_kfree(dev, ctxt); 1949198a666aSBruce Allan return ret; 195045d3d428SAnirudh Venkataramanan } 195145d3d428SAnirudh Venkataramanan 195245d3d428SAnirudh Venkataramanan /** 195345d3d428SAnirudh Venkataramanan * ice_vsi_manage_vlan_stripping - Manage VLAN stripping for the VSI for Rx 195445d3d428SAnirudh Venkataramanan * @vsi: the VSI being changed 195545d3d428SAnirudh Venkataramanan * @ena: boolean value indicating if this is a enable or disable request 195645d3d428SAnirudh Venkataramanan */ 195745d3d428SAnirudh Venkataramanan int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena) 195845d3d428SAnirudh Venkataramanan { 195945d3d428SAnirudh Venkataramanan struct device *dev = &vsi->back->pdev->dev; 196045d3d428SAnirudh Venkataramanan struct ice_hw *hw = &vsi->back->hw; 1961198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 196245d3d428SAnirudh Venkataramanan enum ice_status status; 1963198a666aSBruce Allan int ret = 0; 1964198a666aSBruce Allan 1965198a666aSBruce Allan ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL); 1966198a666aSBruce Allan if (!ctxt) 1967198a666aSBruce Allan return -ENOMEM; 196845d3d428SAnirudh Venkataramanan 196945d3d428SAnirudh Venkataramanan /* Here we are configuring what the VSI should do with the VLAN tag in 197045d3d428SAnirudh Venkataramanan * the Rx packet. We can either leave the tag in the packet or put it in 197145d3d428SAnirudh Venkataramanan * the Rx descriptor. 197245d3d428SAnirudh Venkataramanan */ 1973198a666aSBruce Allan if (ena) 197445d3d428SAnirudh Venkataramanan /* Strip VLAN tag from Rx packet and put it in the desc */ 1975198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_STR_BOTH; 1976198a666aSBruce Allan else 197745d3d428SAnirudh Venkataramanan /* Disable stripping. Leave tag in packet */ 1978198a666aSBruce Allan ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING; 197945d3d428SAnirudh Venkataramanan 198045d3d428SAnirudh Venkataramanan /* Allow all packets untagged/tagged */ 1981198a666aSBruce Allan ctxt->info.vlan_flags |= ICE_AQ_VSI_VLAN_MODE_ALL; 198245d3d428SAnirudh Venkataramanan 1983198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); 198445d3d428SAnirudh Venkataramanan 1985198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 198645d3d428SAnirudh Venkataramanan if (status) { 198745d3d428SAnirudh Venkataramanan dev_err(dev, "update VSI for VLAN strip failed, ena = %d err %d aq_err %d\n", 198845d3d428SAnirudh Venkataramanan ena, status, hw->adminq.sq_last_status); 1989198a666aSBruce Allan ret = -EIO; 1990198a666aSBruce Allan goto out; 199145d3d428SAnirudh Venkataramanan } 199245d3d428SAnirudh Venkataramanan 1993198a666aSBruce Allan vsi->info.vlan_flags = ctxt->info.vlan_flags; 1994198a666aSBruce Allan out: 1995198a666aSBruce Allan devm_kfree(dev, ctxt); 1996198a666aSBruce Allan return ret; 199745d3d428SAnirudh Venkataramanan } 199872adf242SAnirudh Venkataramanan 199972adf242SAnirudh Venkataramanan /** 200072adf242SAnirudh Venkataramanan * ice_vsi_start_rx_rings - start VSI's Rx rings 200172adf242SAnirudh Venkataramanan * @vsi: the VSI whose rings are to be started 200272adf242SAnirudh Venkataramanan * 200372adf242SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 200472adf242SAnirudh Venkataramanan */ 200572adf242SAnirudh Venkataramanan int ice_vsi_start_rx_rings(struct ice_vsi *vsi) 200672adf242SAnirudh Venkataramanan { 200772adf242SAnirudh Venkataramanan return ice_vsi_ctrl_rx_rings(vsi, true); 200872adf242SAnirudh Venkataramanan } 200972adf242SAnirudh Venkataramanan 201072adf242SAnirudh Venkataramanan /** 201172adf242SAnirudh Venkataramanan * ice_vsi_stop_rx_rings - stop VSI's Rx rings 201272adf242SAnirudh Venkataramanan * @vsi: the VSI 201372adf242SAnirudh Venkataramanan * 201472adf242SAnirudh Venkataramanan * Returns 0 on success and a negative value on error 201572adf242SAnirudh Venkataramanan */ 201672adf242SAnirudh Venkataramanan int ice_vsi_stop_rx_rings(struct ice_vsi *vsi) 201772adf242SAnirudh Venkataramanan { 201872adf242SAnirudh Venkataramanan return ice_vsi_ctrl_rx_rings(vsi, false); 201972adf242SAnirudh Venkataramanan } 202072adf242SAnirudh Venkataramanan 202172adf242SAnirudh Venkataramanan /** 2022e89e899fSBrett Creeley * ice_trigger_sw_intr - trigger a software interrupt 2023e89e899fSBrett Creeley * @hw: pointer to the HW structure 2024e89e899fSBrett Creeley * @q_vector: interrupt vector to trigger the software interrupt for 2025e89e899fSBrett Creeley */ 2026e89e899fSBrett Creeley void ice_trigger_sw_intr(struct ice_hw *hw, struct ice_q_vector *q_vector) 2027e89e899fSBrett Creeley { 2028e89e899fSBrett Creeley wr32(hw, GLINT_DYN_CTL(q_vector->reg_idx), 2029e89e899fSBrett Creeley (ICE_ITR_NONE << GLINT_DYN_CTL_ITR_INDX_S) | 2030e89e899fSBrett Creeley GLINT_DYN_CTL_SWINT_TRIG_M | 2031e89e899fSBrett Creeley GLINT_DYN_CTL_INTENA_M); 2032e89e899fSBrett Creeley } 2033e89e899fSBrett Creeley 2034e89e899fSBrett Creeley /** 203572adf242SAnirudh Venkataramanan * ice_vsi_stop_tx_rings - Disable Tx rings 203672adf242SAnirudh Venkataramanan * @vsi: the VSI being configured 2037ddf30f7fSAnirudh Venkataramanan * @rst_src: reset source 2038f9867df6SAnirudh Venkataramanan * @rel_vmvf_num: Relative ID of VF/VM 203903f7a986SAnirudh Venkataramanan * @rings: Tx ring array to be stopped 204003f7a986SAnirudh Venkataramanan * @offset: offset within vsi->txq_map 204172adf242SAnirudh Venkataramanan */ 204203f7a986SAnirudh Venkataramanan static int 204303f7a986SAnirudh Venkataramanan ice_vsi_stop_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, 204403f7a986SAnirudh Venkataramanan u16 rel_vmvf_num, struct ice_ring **rings, int offset) 204572adf242SAnirudh Venkataramanan { 204672adf242SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 204772adf242SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 2048bb87ee0eSAnirudh Venkataramanan int tc, q_idx = 0, err = 0; 2049bb87ee0eSAnirudh Venkataramanan u16 *q_ids, *q_handles, i; 205072adf242SAnirudh Venkataramanan enum ice_status status; 205172adf242SAnirudh Venkataramanan u32 *q_teids, val; 205272adf242SAnirudh Venkataramanan 205372adf242SAnirudh Venkataramanan if (vsi->num_txq > ICE_LAN_TXQ_MAX_QDIS) 205472adf242SAnirudh Venkataramanan return -EINVAL; 205572adf242SAnirudh Venkataramanan 205672adf242SAnirudh Venkataramanan q_teids = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, sizeof(*q_teids), 205772adf242SAnirudh Venkataramanan GFP_KERNEL); 205872adf242SAnirudh Venkataramanan if (!q_teids) 205972adf242SAnirudh Venkataramanan return -ENOMEM; 206072adf242SAnirudh Venkataramanan 206172adf242SAnirudh Venkataramanan q_ids = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, sizeof(*q_ids), 206272adf242SAnirudh Venkataramanan GFP_KERNEL); 206372adf242SAnirudh Venkataramanan if (!q_ids) { 206472adf242SAnirudh Venkataramanan err = -ENOMEM; 206572adf242SAnirudh Venkataramanan goto err_alloc_q_ids; 206672adf242SAnirudh Venkataramanan } 206772adf242SAnirudh Venkataramanan 2068bb87ee0eSAnirudh Venkataramanan q_handles = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, 2069bb87ee0eSAnirudh Venkataramanan sizeof(*q_handles), GFP_KERNEL); 2070bb87ee0eSAnirudh Venkataramanan if (!q_handles) { 2071bb87ee0eSAnirudh Venkataramanan err = -ENOMEM; 2072bb87ee0eSAnirudh Venkataramanan goto err_alloc_q_handles; 2073bb87ee0eSAnirudh Venkataramanan } 2074bb87ee0eSAnirudh Venkataramanan 2075bb87ee0eSAnirudh Venkataramanan /* set up the Tx queue list to be disabled for each enabled TC */ 2076bb87ee0eSAnirudh Venkataramanan ice_for_each_traffic_class(tc) { 2077bb87ee0eSAnirudh Venkataramanan if (!(vsi->tc_cfg.ena_tc & BIT(tc))) 2078bb87ee0eSAnirudh Venkataramanan break; 2079bb87ee0eSAnirudh Venkataramanan 2080bb87ee0eSAnirudh Venkataramanan for (i = 0; i < vsi->tc_cfg.tc_info[tc].qcount_tx; i++) { 2081e89e899fSBrett Creeley struct ice_q_vector *q_vector; 2082e89e899fSBrett Creeley 20830e674aebSAnirudh Venkataramanan if (!rings || !rings[q_idx]) { 208472adf242SAnirudh Venkataramanan err = -EINVAL; 208572adf242SAnirudh Venkataramanan goto err_out; 208672adf242SAnirudh Venkataramanan } 208772adf242SAnirudh Venkataramanan 2088bb87ee0eSAnirudh Venkataramanan q_ids[i] = vsi->txq_map[q_idx + offset]; 2089bb87ee0eSAnirudh Venkataramanan q_teids[i] = rings[q_idx]->txq_teid; 2090bb87ee0eSAnirudh Venkataramanan q_handles[i] = i; 209172adf242SAnirudh Venkataramanan 209272adf242SAnirudh Venkataramanan /* clear cause_ena bit for disabled queues */ 209303f7a986SAnirudh Venkataramanan val = rd32(hw, QINT_TQCTL(rings[i]->reg_idx)); 209472adf242SAnirudh Venkataramanan val &= ~QINT_TQCTL_CAUSE_ENA_M; 209503f7a986SAnirudh Venkataramanan wr32(hw, QINT_TQCTL(rings[i]->reg_idx), val); 209672adf242SAnirudh Venkataramanan 209772adf242SAnirudh Venkataramanan /* software is expected to wait for 100 ns */ 209872adf242SAnirudh Venkataramanan ndelay(100); 209972adf242SAnirudh Venkataramanan 2100bb87ee0eSAnirudh Venkataramanan /* trigger a software interrupt for the vector 2101bb87ee0eSAnirudh Venkataramanan * associated to the queue to schedule NAPI handler 210272adf242SAnirudh Venkataramanan */ 2103e89e899fSBrett Creeley q_vector = rings[i]->q_vector; 2104e89e899fSBrett Creeley if (q_vector) 2105e89e899fSBrett Creeley ice_trigger_sw_intr(hw, q_vector); 21060e674aebSAnirudh Venkataramanan 2107bb87ee0eSAnirudh Venkataramanan q_idx++; 210872adf242SAnirudh Venkataramanan } 2109bb87ee0eSAnirudh Venkataramanan status = ice_dis_vsi_txq(vsi->port_info, vsi->idx, tc, 2110bb87ee0eSAnirudh Venkataramanan vsi->num_txq, q_handles, q_ids, 2111bb87ee0eSAnirudh Venkataramanan q_teids, rst_src, rel_vmvf_num, NULL); 2112bb87ee0eSAnirudh Venkataramanan 2113bb87ee0eSAnirudh Venkataramanan /* if the disable queue command was exercised during an active 2114bb87ee0eSAnirudh Venkataramanan * reset flow, ICE_ERR_RESET_ONGOING is returned. This is not 2115bb87ee0eSAnirudh Venkataramanan * an error as the reset operation disables queues at the 2116bb87ee0eSAnirudh Venkataramanan * hardware level anyway. 211772adf242SAnirudh Venkataramanan */ 211872adf242SAnirudh Venkataramanan if (status == ICE_ERR_RESET_ONGOING) { 2119bb87ee0eSAnirudh Venkataramanan dev_dbg(&pf->pdev->dev, 212072adf242SAnirudh Venkataramanan "Reset in progress. LAN Tx queues already disabled\n"); 212172adf242SAnirudh Venkataramanan } else if (status) { 212272adf242SAnirudh Venkataramanan dev_err(&pf->pdev->dev, 212372adf242SAnirudh Venkataramanan "Failed to disable LAN Tx queues, error: %d\n", 212472adf242SAnirudh Venkataramanan status); 212572adf242SAnirudh Venkataramanan err = -ENODEV; 212672adf242SAnirudh Venkataramanan } 2127bb87ee0eSAnirudh Venkataramanan } 212872adf242SAnirudh Venkataramanan 212972adf242SAnirudh Venkataramanan err_out: 2130bb87ee0eSAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, q_handles); 2131bb87ee0eSAnirudh Venkataramanan 2132bb87ee0eSAnirudh Venkataramanan err_alloc_q_handles: 213372adf242SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, q_ids); 213472adf242SAnirudh Venkataramanan 213572adf242SAnirudh Venkataramanan err_alloc_q_ids: 213672adf242SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, q_teids); 213772adf242SAnirudh Venkataramanan 213872adf242SAnirudh Venkataramanan return err; 213972adf242SAnirudh Venkataramanan } 21405153a18eSAnirudh Venkataramanan 21415153a18eSAnirudh Venkataramanan /** 214203f7a986SAnirudh Venkataramanan * ice_vsi_stop_lan_tx_rings - Disable LAN Tx rings 214303f7a986SAnirudh Venkataramanan * @vsi: the VSI being configured 214403f7a986SAnirudh Venkataramanan * @rst_src: reset source 2145f9867df6SAnirudh Venkataramanan * @rel_vmvf_num: Relative ID of VF/VM 214603f7a986SAnirudh Venkataramanan */ 2147c8b7abddSBruce Allan int 2148c8b7abddSBruce Allan ice_vsi_stop_lan_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, 2149c8b7abddSBruce Allan u16 rel_vmvf_num) 215003f7a986SAnirudh Venkataramanan { 215103f7a986SAnirudh Venkataramanan return ice_vsi_stop_tx_rings(vsi, rst_src, rel_vmvf_num, vsi->tx_rings, 215203f7a986SAnirudh Venkataramanan 0); 215303f7a986SAnirudh Venkataramanan } 215403f7a986SAnirudh Venkataramanan 215503f7a986SAnirudh Venkataramanan /** 21565153a18eSAnirudh Venkataramanan * ice_cfg_vlan_pruning - enable or disable VLAN pruning on the VSI 21575153a18eSAnirudh Venkataramanan * @vsi: VSI to enable or disable VLAN pruning on 21585153a18eSAnirudh Venkataramanan * @ena: set to true to enable VLAN pruning and false to disable it 21595eda8afdSAkeem G Abodunrin * @vlan_promisc: enable valid security flags if not in VLAN promiscuous mode 21605153a18eSAnirudh Venkataramanan * 21615153a18eSAnirudh Venkataramanan * returns 0 if VSI is updated, negative otherwise 21625153a18eSAnirudh Venkataramanan */ 21635eda8afdSAkeem G Abodunrin int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena, bool vlan_promisc) 21645153a18eSAnirudh Venkataramanan { 21655153a18eSAnirudh Venkataramanan struct ice_vsi_ctx *ctxt; 21665153a18eSAnirudh Venkataramanan struct device *dev; 2167819d8998SJesse Brandeburg struct ice_pf *pf; 21685153a18eSAnirudh Venkataramanan int status; 21695153a18eSAnirudh Venkataramanan 21705153a18eSAnirudh Venkataramanan if (!vsi) 21715153a18eSAnirudh Venkataramanan return -EINVAL; 21725153a18eSAnirudh Venkataramanan 2173819d8998SJesse Brandeburg pf = vsi->back; 2174819d8998SJesse Brandeburg dev = &pf->pdev->dev; 21755153a18eSAnirudh Venkataramanan ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL); 21765153a18eSAnirudh Venkataramanan if (!ctxt) 21775153a18eSAnirudh Venkataramanan return -ENOMEM; 21785153a18eSAnirudh Venkataramanan 21795153a18eSAnirudh Venkataramanan ctxt->info = vsi->info; 21805153a18eSAnirudh Venkataramanan 21815153a18eSAnirudh Venkataramanan if (ena) { 21825153a18eSAnirudh Venkataramanan ctxt->info.sec_flags |= 21835153a18eSAnirudh Venkataramanan ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 21845153a18eSAnirudh Venkataramanan ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S; 21855153a18eSAnirudh Venkataramanan ctxt->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 21865153a18eSAnirudh Venkataramanan } else { 21875153a18eSAnirudh Venkataramanan ctxt->info.sec_flags &= 21885153a18eSAnirudh Venkataramanan ~(ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 21895153a18eSAnirudh Venkataramanan ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S); 21905153a18eSAnirudh Venkataramanan ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 21915153a18eSAnirudh Venkataramanan } 21925153a18eSAnirudh Venkataramanan 21935eda8afdSAkeem G Abodunrin if (!vlan_promisc) 21945eda8afdSAkeem G Abodunrin ctxt->info.valid_sections = 21955eda8afdSAkeem G Abodunrin cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID | 21965153a18eSAnirudh Venkataramanan ICE_AQ_VSI_PROP_SW_VALID); 21975726ca0eSAnirudh Venkataramanan 2198819d8998SJesse Brandeburg status = ice_update_vsi(&pf->hw, vsi->idx, ctxt, NULL); 21995153a18eSAnirudh Venkataramanan if (status) { 22005726ca0eSAnirudh Venkataramanan netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI handle: %d, VSI HW ID: %d failed, err = %d, aq_err = %d\n", 220131082519SAnirudh Venkataramanan ena ? "En" : "Dis", vsi->idx, vsi->vsi_num, status, 2202819d8998SJesse Brandeburg pf->hw.adminq.sq_last_status); 22035153a18eSAnirudh Venkataramanan goto err_out; 22045153a18eSAnirudh Venkataramanan } 22055153a18eSAnirudh Venkataramanan 22065153a18eSAnirudh Venkataramanan vsi->info.sec_flags = ctxt->info.sec_flags; 22075153a18eSAnirudh Venkataramanan vsi->info.sw_flags2 = ctxt->info.sw_flags2; 22085153a18eSAnirudh Venkataramanan 22095153a18eSAnirudh Venkataramanan devm_kfree(dev, ctxt); 22105153a18eSAnirudh Venkataramanan return 0; 22115153a18eSAnirudh Venkataramanan 22125153a18eSAnirudh Venkataramanan err_out: 22135153a18eSAnirudh Venkataramanan devm_kfree(dev, ctxt); 22145153a18eSAnirudh Venkataramanan return -EIO; 22155153a18eSAnirudh Venkataramanan } 22165153a18eSAnirudh Venkataramanan 22177b9ffc76SAnirudh Venkataramanan static void ice_vsi_set_tc_cfg(struct ice_vsi *vsi) 22187b9ffc76SAnirudh Venkataramanan { 22197b9ffc76SAnirudh Venkataramanan struct ice_dcbx_cfg *cfg = &vsi->port_info->local_dcbx_cfg; 22207b9ffc76SAnirudh Venkataramanan 22217b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.ena_tc = ice_dcb_get_ena_tc(cfg); 22227b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.numtc = ice_dcb_get_num_tc(cfg); 22237b9ffc76SAnirudh Venkataramanan } 22247b9ffc76SAnirudh Venkataramanan 22255153a18eSAnirudh Venkataramanan /** 2226b07833a0SBrett Creeley * ice_vsi_set_q_vectors_reg_idx - set the HW register index for all q_vectors 2227b07833a0SBrett Creeley * @vsi: VSI to set the q_vectors register index on 2228b07833a0SBrett Creeley */ 2229b07833a0SBrett Creeley static int 2230b07833a0SBrett Creeley ice_vsi_set_q_vectors_reg_idx(struct ice_vsi *vsi) 2231b07833a0SBrett Creeley { 2232b07833a0SBrett Creeley u16 i; 2233b07833a0SBrett Creeley 2234b07833a0SBrett Creeley if (!vsi || !vsi->q_vectors) 2235b07833a0SBrett Creeley return -EINVAL; 2236b07833a0SBrett Creeley 2237b07833a0SBrett Creeley ice_for_each_q_vector(vsi, i) { 2238b07833a0SBrett Creeley struct ice_q_vector *q_vector = vsi->q_vectors[i]; 2239b07833a0SBrett Creeley 2240b07833a0SBrett Creeley if (!q_vector) { 2241b07833a0SBrett Creeley dev_err(&vsi->back->pdev->dev, 2242b07833a0SBrett Creeley "Failed to set reg_idx on q_vector %d VSI %d\n", 2243b07833a0SBrett Creeley i, vsi->vsi_num); 2244b07833a0SBrett Creeley goto clear_reg_idx; 2245b07833a0SBrett Creeley } 2246b07833a0SBrett Creeley 2247cbe66bfeSBrett Creeley if (vsi->type == ICE_VSI_VF) { 2248cbe66bfeSBrett Creeley struct ice_vf *vf = &vsi->back->vf[vsi->vf_id]; 2249cbe66bfeSBrett Creeley 2250cbe66bfeSBrett Creeley q_vector->reg_idx = ice_calc_vf_reg_idx(vf, q_vector); 2251cbe66bfeSBrett Creeley } else { 2252cbe66bfeSBrett Creeley q_vector->reg_idx = 2253cbe66bfeSBrett Creeley q_vector->v_idx + vsi->base_vector; 2254cbe66bfeSBrett Creeley } 2255b07833a0SBrett Creeley } 2256b07833a0SBrett Creeley 2257b07833a0SBrett Creeley return 0; 2258b07833a0SBrett Creeley 2259b07833a0SBrett Creeley clear_reg_idx: 2260b07833a0SBrett Creeley ice_for_each_q_vector(vsi, i) { 2261b07833a0SBrett Creeley struct ice_q_vector *q_vector = vsi->q_vectors[i]; 2262b07833a0SBrett Creeley 2263b07833a0SBrett Creeley if (q_vector) 2264b07833a0SBrett Creeley q_vector->reg_idx = 0; 2265b07833a0SBrett Creeley } 2266b07833a0SBrett Creeley 2267b07833a0SBrett Creeley return -EINVAL; 2268b07833a0SBrett Creeley } 2269b07833a0SBrett Creeley 2270b07833a0SBrett Creeley /** 2271d95276ceSAkeem G Abodunrin * ice_vsi_add_rem_eth_mac - Program VSI ethertype based filter with rule 2272d95276ceSAkeem G Abodunrin * @vsi: the VSI being configured 2273d95276ceSAkeem G Abodunrin * @add_rule: boolean value to add or remove ethertype filter rule 2274d95276ceSAkeem G Abodunrin */ 2275d95276ceSAkeem G Abodunrin static void 2276d95276ceSAkeem G Abodunrin ice_vsi_add_rem_eth_mac(struct ice_vsi *vsi, bool add_rule) 2277d95276ceSAkeem G Abodunrin { 2278d95276ceSAkeem G Abodunrin struct ice_fltr_list_entry *list; 2279d95276ceSAkeem G Abodunrin struct ice_pf *pf = vsi->back; 2280d95276ceSAkeem G Abodunrin LIST_HEAD(tmp_add_list); 2281d95276ceSAkeem G Abodunrin enum ice_status status; 2282d95276ceSAkeem G Abodunrin 2283d95276ceSAkeem G Abodunrin list = devm_kzalloc(&pf->pdev->dev, sizeof(*list), GFP_KERNEL); 2284d95276ceSAkeem G Abodunrin if (!list) 2285d95276ceSAkeem G Abodunrin return; 2286d95276ceSAkeem G Abodunrin 2287d95276ceSAkeem G Abodunrin list->fltr_info.lkup_type = ICE_SW_LKUP_ETHERTYPE; 2288d95276ceSAkeem G Abodunrin list->fltr_info.fltr_act = ICE_DROP_PACKET; 2289d95276ceSAkeem G Abodunrin list->fltr_info.flag = ICE_FLTR_TX; 2290d95276ceSAkeem G Abodunrin list->fltr_info.src_id = ICE_SRC_ID_VSI; 2291d95276ceSAkeem G Abodunrin list->fltr_info.vsi_handle = vsi->idx; 2292d95276ceSAkeem G Abodunrin list->fltr_info.l_data.ethertype_mac.ethertype = vsi->ethtype; 2293d95276ceSAkeem G Abodunrin 2294d95276ceSAkeem G Abodunrin INIT_LIST_HEAD(&list->list_entry); 2295d95276ceSAkeem G Abodunrin list_add(&list->list_entry, &tmp_add_list); 2296d95276ceSAkeem G Abodunrin 2297d95276ceSAkeem G Abodunrin if (add_rule) 2298d95276ceSAkeem G Abodunrin status = ice_add_eth_mac(&pf->hw, &tmp_add_list); 2299d95276ceSAkeem G Abodunrin else 2300d95276ceSAkeem G Abodunrin status = ice_remove_eth_mac(&pf->hw, &tmp_add_list); 2301d95276ceSAkeem G Abodunrin 2302d95276ceSAkeem G Abodunrin if (status) 2303d95276ceSAkeem G Abodunrin dev_err(&pf->pdev->dev, 2304d95276ceSAkeem G Abodunrin "Failure Adding or Removing Ethertype on VSI %i error: %d\n", 2305d95276ceSAkeem G Abodunrin vsi->vsi_num, status); 2306d95276ceSAkeem G Abodunrin 2307d95276ceSAkeem G Abodunrin ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list); 2308d95276ceSAkeem G Abodunrin } 2309d95276ceSAkeem G Abodunrin 2310d95276ceSAkeem G Abodunrin /** 231137bb8390SAnirudh Venkataramanan * ice_vsi_setup - Set up a VSI by a given type 231237bb8390SAnirudh Venkataramanan * @pf: board private structure 231337bb8390SAnirudh Venkataramanan * @pi: pointer to the port_info instance 231437bb8390SAnirudh Venkataramanan * @type: VSI type 2315f9867df6SAnirudh Venkataramanan * @vf_id: defines VF ID to which this VSI connects. This field is meant to be 231637bb8390SAnirudh Venkataramanan * used only for ICE_VSI_VF VSI type. For other VSI types, should 231737bb8390SAnirudh Venkataramanan * fill-in ICE_INVAL_VFID as input. 231837bb8390SAnirudh Venkataramanan * 231937bb8390SAnirudh Venkataramanan * This allocates the sw VSI structure and its queue resources. 232037bb8390SAnirudh Venkataramanan * 232137bb8390SAnirudh Venkataramanan * Returns pointer to the successfully allocated and configured VSI sw struct on 232237bb8390SAnirudh Venkataramanan * success, NULL on failure. 232337bb8390SAnirudh Venkataramanan */ 232437bb8390SAnirudh Venkataramanan struct ice_vsi * 232537bb8390SAnirudh Venkataramanan ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, 23268ede0178SAnirudh Venkataramanan enum ice_vsi_type type, u16 vf_id) 232737bb8390SAnirudh Venkataramanan { 232837bb8390SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 232937bb8390SAnirudh Venkataramanan struct device *dev = &pf->pdev->dev; 233037bb8390SAnirudh Venkataramanan struct ice_vsi *vsi; 233137bb8390SAnirudh Venkataramanan int ret, i; 233237bb8390SAnirudh Venkataramanan 23335743020dSAkeem G Abodunrin if (type == ICE_VSI_VF) 23345743020dSAkeem G Abodunrin vsi = ice_vsi_alloc(pf, type, vf_id); 23355743020dSAkeem G Abodunrin else 23365743020dSAkeem G Abodunrin vsi = ice_vsi_alloc(pf, type, ICE_INVAL_VFID); 23375743020dSAkeem G Abodunrin 233837bb8390SAnirudh Venkataramanan if (!vsi) { 233937bb8390SAnirudh Venkataramanan dev_err(dev, "could not allocate VSI\n"); 234037bb8390SAnirudh Venkataramanan return NULL; 234137bb8390SAnirudh Venkataramanan } 234237bb8390SAnirudh Venkataramanan 234337bb8390SAnirudh Venkataramanan vsi->port_info = pi; 234437bb8390SAnirudh Venkataramanan vsi->vsw = pf->first_sw; 2345d95276ceSAkeem G Abodunrin if (vsi->type == ICE_VSI_PF) 2346d95276ceSAkeem G Abodunrin vsi->ethtype = ETH_P_PAUSE; 2347d95276ceSAkeem G Abodunrin 23488ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 23498ede0178SAnirudh Venkataramanan vsi->vf_id = vf_id; 235037bb8390SAnirudh Venkataramanan 235137bb8390SAnirudh Venkataramanan if (ice_vsi_get_qs(vsi)) { 235237bb8390SAnirudh Venkataramanan dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n", 235337bb8390SAnirudh Venkataramanan vsi->idx); 235437bb8390SAnirudh Venkataramanan goto unroll_get_qs; 235537bb8390SAnirudh Venkataramanan } 235637bb8390SAnirudh Venkataramanan 235737bb8390SAnirudh Venkataramanan /* set RSS capabilities */ 235837bb8390SAnirudh Venkataramanan ice_vsi_set_rss_params(vsi); 235937bb8390SAnirudh Venkataramanan 2360f9867df6SAnirudh Venkataramanan /* set TC configuration */ 2361c5a2a4a3SUsha Ketineni ice_vsi_set_tc_cfg(vsi); 2362c5a2a4a3SUsha Ketineni 236337bb8390SAnirudh Venkataramanan /* create the VSI */ 236437bb8390SAnirudh Venkataramanan ret = ice_vsi_init(vsi); 236537bb8390SAnirudh Venkataramanan if (ret) 236637bb8390SAnirudh Venkataramanan goto unroll_get_qs; 236737bb8390SAnirudh Venkataramanan 236837bb8390SAnirudh Venkataramanan switch (vsi->type) { 236937bb8390SAnirudh Venkataramanan case ICE_VSI_PF: 237037bb8390SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 237137bb8390SAnirudh Venkataramanan if (ret) 237237bb8390SAnirudh Venkataramanan goto unroll_vsi_init; 237337bb8390SAnirudh Venkataramanan 237437bb8390SAnirudh Venkataramanan ret = ice_vsi_setup_vector_base(vsi); 237537bb8390SAnirudh Venkataramanan if (ret) 237637bb8390SAnirudh Venkataramanan goto unroll_alloc_q_vector; 237737bb8390SAnirudh Venkataramanan 2378b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2379b07833a0SBrett Creeley if (ret) 2380b07833a0SBrett Creeley goto unroll_vector_base; 2381b07833a0SBrett Creeley 238237bb8390SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 238337bb8390SAnirudh Venkataramanan if (ret) 238437bb8390SAnirudh Venkataramanan goto unroll_vector_base; 238537bb8390SAnirudh Venkataramanan 238637bb8390SAnirudh Venkataramanan ice_vsi_map_rings_to_vectors(vsi); 238737bb8390SAnirudh Venkataramanan 238837bb8390SAnirudh Venkataramanan /* Do not exit if configuring RSS had an issue, at least 238937bb8390SAnirudh Venkataramanan * receive traffic on first queue. Hence no need to capture 239037bb8390SAnirudh Venkataramanan * return value 239137bb8390SAnirudh Venkataramanan */ 239237bb8390SAnirudh Venkataramanan if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 239337bb8390SAnirudh Venkataramanan ice_vsi_cfg_rss_lut_key(vsi); 239437bb8390SAnirudh Venkataramanan break; 23958ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 23968ede0178SAnirudh Venkataramanan /* VF driver will take care of creating netdev for this type and 23978ede0178SAnirudh Venkataramanan * map queues to vectors through Virtchnl, PF driver only 23988ede0178SAnirudh Venkataramanan * creates a VSI and corresponding structures for bookkeeping 23998ede0178SAnirudh Venkataramanan * purpose 24008ede0178SAnirudh Venkataramanan */ 24018ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 24028ede0178SAnirudh Venkataramanan if (ret) 24038ede0178SAnirudh Venkataramanan goto unroll_vsi_init; 24048ede0178SAnirudh Venkataramanan 24058ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 24068ede0178SAnirudh Venkataramanan if (ret) 24078ede0178SAnirudh Venkataramanan goto unroll_alloc_q_vector; 24088ede0178SAnirudh Venkataramanan 2409b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2410b07833a0SBrett Creeley if (ret) 2411b07833a0SBrett Creeley goto unroll_vector_base; 2412b07833a0SBrett Creeley 24138ede0178SAnirudh Venkataramanan pf->q_left_tx -= vsi->alloc_txq; 24148ede0178SAnirudh Venkataramanan pf->q_left_rx -= vsi->alloc_rxq; 24153a9e32bbSMd Fahad Iqbal Polash 24163a9e32bbSMd Fahad Iqbal Polash /* Do not exit if configuring RSS had an issue, at least 24173a9e32bbSMd Fahad Iqbal Polash * receive traffic on first queue. Hence no need to capture 24183a9e32bbSMd Fahad Iqbal Polash * return value 24193a9e32bbSMd Fahad Iqbal Polash */ 24203a9e32bbSMd Fahad Iqbal Polash if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 24213a9e32bbSMd Fahad Iqbal Polash ice_vsi_cfg_rss_lut_key(vsi); 24228ede0178SAnirudh Venkataramanan break; 24230e674aebSAnirudh Venkataramanan case ICE_VSI_LB: 24240e674aebSAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 24250e674aebSAnirudh Venkataramanan if (ret) 24260e674aebSAnirudh Venkataramanan goto unroll_vsi_init; 24270e674aebSAnirudh Venkataramanan break; 242837bb8390SAnirudh Venkataramanan default: 2429df17b7e0SAnirudh Venkataramanan /* clean up the resources and exit */ 243037bb8390SAnirudh Venkataramanan goto unroll_vsi_init; 243137bb8390SAnirudh Venkataramanan } 243237bb8390SAnirudh Venkataramanan 243337bb8390SAnirudh Venkataramanan /* configure VSI nodes based on number of queues and TC's */ 243437bb8390SAnirudh Venkataramanan for (i = 0; i < vsi->tc_cfg.numtc; i++) 2435c5a2a4a3SUsha Ketineni max_txqs[i] = pf->num_lan_tx; 243637bb8390SAnirudh Venkataramanan 24374fb33f31SAnirudh Venkataramanan ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 24384fb33f31SAnirudh Venkataramanan max_txqs); 243937bb8390SAnirudh Venkataramanan if (ret) { 244020ce2a1aSBrett Creeley dev_err(&pf->pdev->dev, 244120ce2a1aSBrett Creeley "VSI %d failed lan queue config, error %d\n", 244220ce2a1aSBrett Creeley vsi->vsi_num, ret); 244337bb8390SAnirudh Venkataramanan goto unroll_vector_base; 244437bb8390SAnirudh Venkataramanan } 244537bb8390SAnirudh Venkataramanan 2446d95276ceSAkeem G Abodunrin /* Add switch rule to drop all Tx Flow Control Frames, of look up 2447d95276ceSAkeem G Abodunrin * type ETHERTYPE from VSIs, and restrict malicious VF from sending 2448d95276ceSAkeem G Abodunrin * out PAUSE or PFC frames. If enabled, FW can still send FC frames. 2449d95276ceSAkeem G Abodunrin * The rule is added once for PF VSI in order to create appropriate 2450d95276ceSAkeem G Abodunrin * recipe, since VSI/VSI list is ignored with drop action... 2451d95276ceSAkeem G Abodunrin */ 2452d95276ceSAkeem G Abodunrin if (vsi->type == ICE_VSI_PF) 2453d95276ceSAkeem G Abodunrin ice_vsi_add_rem_eth_mac(vsi, true); 2454d95276ceSAkeem G Abodunrin 245537bb8390SAnirudh Venkataramanan return vsi; 245637bb8390SAnirudh Venkataramanan 245737bb8390SAnirudh Venkataramanan unroll_vector_base: 2458eb0208ecSPreethi Banala /* reclaim SW interrupts back to the common pool */ 2459cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 2460eb0208ecSPreethi Banala pf->num_avail_sw_msix += vsi->num_q_vectors; 246137bb8390SAnirudh Venkataramanan unroll_alloc_q_vector: 246237bb8390SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 246337bb8390SAnirudh Venkataramanan unroll_vsi_init: 246437bb8390SAnirudh Venkataramanan ice_vsi_delete(vsi); 246537bb8390SAnirudh Venkataramanan unroll_get_qs: 246637bb8390SAnirudh Venkataramanan ice_vsi_put_qs(vsi); 246737bb8390SAnirudh Venkataramanan pf->q_left_tx += vsi->alloc_txq; 246837bb8390SAnirudh Venkataramanan pf->q_left_rx += vsi->alloc_rxq; 246937bb8390SAnirudh Venkataramanan ice_vsi_clear(vsi); 247037bb8390SAnirudh Venkataramanan 247137bb8390SAnirudh Venkataramanan return NULL; 247237bb8390SAnirudh Venkataramanan } 247337bb8390SAnirudh Venkataramanan 247437bb8390SAnirudh Venkataramanan /** 24755153a18eSAnirudh Venkataramanan * ice_vsi_release_msix - Clear the queue to Interrupt mapping in HW 24765153a18eSAnirudh Venkataramanan * @vsi: the VSI being cleaned up 24775153a18eSAnirudh Venkataramanan */ 24785153a18eSAnirudh Venkataramanan static void ice_vsi_release_msix(struct ice_vsi *vsi) 24795153a18eSAnirudh Venkataramanan { 24805153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 24815153a18eSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 24825153a18eSAnirudh Venkataramanan u32 txq = 0; 24835153a18eSAnirudh Venkataramanan u32 rxq = 0; 24845153a18eSAnirudh Venkataramanan int i, q; 24855153a18eSAnirudh Venkataramanan 2486cbe66bfeSBrett Creeley for (i = 0; i < vsi->num_q_vectors; i++) { 24875153a18eSAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[i]; 2488cbe66bfeSBrett Creeley u16 reg_idx = q_vector->reg_idx; 24895153a18eSAnirudh Venkataramanan 2490cbe66bfeSBrett Creeley wr32(hw, GLINT_ITR(ICE_IDX_ITR0, reg_idx), 0); 2491cbe66bfeSBrett Creeley wr32(hw, GLINT_ITR(ICE_IDX_ITR1, reg_idx), 0); 24925153a18eSAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_tx; q++) { 24935153a18eSAnirudh Venkataramanan wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0); 24945153a18eSAnirudh Venkataramanan txq++; 24955153a18eSAnirudh Venkataramanan } 24965153a18eSAnirudh Venkataramanan 24975153a18eSAnirudh Venkataramanan for (q = 0; q < q_vector->num_ring_rx; q++) { 24985153a18eSAnirudh Venkataramanan wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), 0); 24995153a18eSAnirudh Venkataramanan rxq++; 25005153a18eSAnirudh Venkataramanan } 25015153a18eSAnirudh Venkataramanan } 25025153a18eSAnirudh Venkataramanan 25035153a18eSAnirudh Venkataramanan ice_flush(hw); 25045153a18eSAnirudh Venkataramanan } 25055153a18eSAnirudh Venkataramanan 25065153a18eSAnirudh Venkataramanan /** 25075153a18eSAnirudh Venkataramanan * ice_vsi_free_irq - Free the IRQ association with the OS 25085153a18eSAnirudh Venkataramanan * @vsi: the VSI being configured 25095153a18eSAnirudh Venkataramanan */ 25105153a18eSAnirudh Venkataramanan void ice_vsi_free_irq(struct ice_vsi *vsi) 25115153a18eSAnirudh Venkataramanan { 25125153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 2513cbe66bfeSBrett Creeley int base = vsi->base_vector; 25145153a18eSAnirudh Venkataramanan 25155153a18eSAnirudh Venkataramanan if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) { 25165153a18eSAnirudh Venkataramanan int i; 25175153a18eSAnirudh Venkataramanan 25185153a18eSAnirudh Venkataramanan if (!vsi->q_vectors || !vsi->irqs_ready) 25195153a18eSAnirudh Venkataramanan return; 25205153a18eSAnirudh Venkataramanan 2521eb0208ecSPreethi Banala ice_vsi_release_msix(vsi); 25228ede0178SAnirudh Venkataramanan if (vsi->type == ICE_VSI_VF) 25238ede0178SAnirudh Venkataramanan return; 2524eb0208ecSPreethi Banala 25255153a18eSAnirudh Venkataramanan vsi->irqs_ready = false; 25260c2561c8SBrett Creeley ice_for_each_q_vector(vsi, i) { 25275153a18eSAnirudh Venkataramanan u16 vector = i + base; 25285153a18eSAnirudh Venkataramanan int irq_num; 25295153a18eSAnirudh Venkataramanan 25305153a18eSAnirudh Venkataramanan irq_num = pf->msix_entries[vector].vector; 25315153a18eSAnirudh Venkataramanan 25325153a18eSAnirudh Venkataramanan /* free only the irqs that were actually requested */ 25335153a18eSAnirudh Venkataramanan if (!vsi->q_vectors[i] || 25345153a18eSAnirudh Venkataramanan !(vsi->q_vectors[i]->num_ring_tx || 25355153a18eSAnirudh Venkataramanan vsi->q_vectors[i]->num_ring_rx)) 25365153a18eSAnirudh Venkataramanan continue; 25375153a18eSAnirudh Venkataramanan 25385153a18eSAnirudh Venkataramanan /* clear the affinity notifier in the IRQ descriptor */ 25395153a18eSAnirudh Venkataramanan irq_set_affinity_notifier(irq_num, NULL); 25405153a18eSAnirudh Venkataramanan 25415153a18eSAnirudh Venkataramanan /* clear the affinity_mask in the IRQ descriptor */ 25425153a18eSAnirudh Venkataramanan irq_set_affinity_hint(irq_num, NULL); 25435153a18eSAnirudh Venkataramanan synchronize_irq(irq_num); 25445153a18eSAnirudh Venkataramanan devm_free_irq(&pf->pdev->dev, irq_num, 25455153a18eSAnirudh Venkataramanan vsi->q_vectors[i]); 25465153a18eSAnirudh Venkataramanan } 25475153a18eSAnirudh Venkataramanan } 25485153a18eSAnirudh Venkataramanan } 25495153a18eSAnirudh Venkataramanan 25505153a18eSAnirudh Venkataramanan /** 25515153a18eSAnirudh Venkataramanan * ice_vsi_free_tx_rings - Free Tx resources for VSI queues 25525153a18eSAnirudh Venkataramanan * @vsi: the VSI having resources freed 25535153a18eSAnirudh Venkataramanan */ 25545153a18eSAnirudh Venkataramanan void ice_vsi_free_tx_rings(struct ice_vsi *vsi) 25555153a18eSAnirudh Venkataramanan { 25565153a18eSAnirudh Venkataramanan int i; 25575153a18eSAnirudh Venkataramanan 25585153a18eSAnirudh Venkataramanan if (!vsi->tx_rings) 25595153a18eSAnirudh Venkataramanan return; 25605153a18eSAnirudh Venkataramanan 25615153a18eSAnirudh Venkataramanan ice_for_each_txq(vsi, i) 25625153a18eSAnirudh Venkataramanan if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc) 25635153a18eSAnirudh Venkataramanan ice_free_tx_ring(vsi->tx_rings[i]); 25645153a18eSAnirudh Venkataramanan } 25655153a18eSAnirudh Venkataramanan 25665153a18eSAnirudh Venkataramanan /** 25675153a18eSAnirudh Venkataramanan * ice_vsi_free_rx_rings - Free Rx resources for VSI queues 25685153a18eSAnirudh Venkataramanan * @vsi: the VSI having resources freed 25695153a18eSAnirudh Venkataramanan */ 25705153a18eSAnirudh Venkataramanan void ice_vsi_free_rx_rings(struct ice_vsi *vsi) 25715153a18eSAnirudh Venkataramanan { 25725153a18eSAnirudh Venkataramanan int i; 25735153a18eSAnirudh Venkataramanan 25745153a18eSAnirudh Venkataramanan if (!vsi->rx_rings) 25755153a18eSAnirudh Venkataramanan return; 25765153a18eSAnirudh Venkataramanan 25775153a18eSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) 25785153a18eSAnirudh Venkataramanan if (vsi->rx_rings[i] && vsi->rx_rings[i]->desc) 25795153a18eSAnirudh Venkataramanan ice_free_rx_ring(vsi->rx_rings[i]); 25805153a18eSAnirudh Venkataramanan } 25815153a18eSAnirudh Venkataramanan 25825153a18eSAnirudh Venkataramanan /** 258307309a0eSAnirudh Venkataramanan * ice_vsi_close - Shut down a VSI 258407309a0eSAnirudh Venkataramanan * @vsi: the VSI being shut down 258507309a0eSAnirudh Venkataramanan */ 258607309a0eSAnirudh Venkataramanan void ice_vsi_close(struct ice_vsi *vsi) 258707309a0eSAnirudh Venkataramanan { 258807309a0eSAnirudh Venkataramanan if (!test_and_set_bit(__ICE_DOWN, vsi->state)) 258907309a0eSAnirudh Venkataramanan ice_down(vsi); 259007309a0eSAnirudh Venkataramanan 259107309a0eSAnirudh Venkataramanan ice_vsi_free_irq(vsi); 259207309a0eSAnirudh Venkataramanan ice_vsi_free_tx_rings(vsi); 259307309a0eSAnirudh Venkataramanan ice_vsi_free_rx_rings(vsi); 259407309a0eSAnirudh Venkataramanan } 259507309a0eSAnirudh Venkataramanan 259607309a0eSAnirudh Venkataramanan /** 25975153a18eSAnirudh Venkataramanan * ice_free_res - free a block of resources 25985153a18eSAnirudh Venkataramanan * @res: pointer to the resource 25995153a18eSAnirudh Venkataramanan * @index: starting index previously returned by ice_get_res 26005153a18eSAnirudh Venkataramanan * @id: identifier to track owner 26015153a18eSAnirudh Venkataramanan * 26025153a18eSAnirudh Venkataramanan * Returns number of resources freed 26035153a18eSAnirudh Venkataramanan */ 26045153a18eSAnirudh Venkataramanan int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id) 26055153a18eSAnirudh Venkataramanan { 26065153a18eSAnirudh Venkataramanan int count = 0; 26075153a18eSAnirudh Venkataramanan int i; 26085153a18eSAnirudh Venkataramanan 2609cbe66bfeSBrett Creeley if (!res || index >= res->end) 26105153a18eSAnirudh Venkataramanan return -EINVAL; 26115153a18eSAnirudh Venkataramanan 26125153a18eSAnirudh Venkataramanan id |= ICE_RES_VALID_BIT; 2613cbe66bfeSBrett Creeley for (i = index; i < res->end && res->list[i] == id; i++) { 26145153a18eSAnirudh Venkataramanan res->list[i] = 0; 26155153a18eSAnirudh Venkataramanan count++; 26165153a18eSAnirudh Venkataramanan } 26175153a18eSAnirudh Venkataramanan 26185153a18eSAnirudh Venkataramanan return count; 26195153a18eSAnirudh Venkataramanan } 26205153a18eSAnirudh Venkataramanan 26215153a18eSAnirudh Venkataramanan /** 26225153a18eSAnirudh Venkataramanan * ice_search_res - Search the tracker for a block of resources 26235153a18eSAnirudh Venkataramanan * @res: pointer to the resource 26245153a18eSAnirudh Venkataramanan * @needed: size of the block needed 26255153a18eSAnirudh Venkataramanan * @id: identifier to track owner 26265153a18eSAnirudh Venkataramanan * 26275153a18eSAnirudh Venkataramanan * Returns the base item index of the block, or -ENOMEM for error 26285153a18eSAnirudh Venkataramanan */ 26295153a18eSAnirudh Venkataramanan static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id) 26305153a18eSAnirudh Venkataramanan { 2631cbe66bfeSBrett Creeley int start = 0, end = 0; 26325153a18eSAnirudh Venkataramanan 2633cbe66bfeSBrett Creeley if (needed > res->end) 2634eb0208ecSPreethi Banala return -ENOMEM; 2635eb0208ecSPreethi Banala 26365153a18eSAnirudh Venkataramanan id |= ICE_RES_VALID_BIT; 26375153a18eSAnirudh Venkataramanan 26385153a18eSAnirudh Venkataramanan do { 26395153a18eSAnirudh Venkataramanan /* skip already allocated entries */ 26405153a18eSAnirudh Venkataramanan if (res->list[end++] & ICE_RES_VALID_BIT) { 26415153a18eSAnirudh Venkataramanan start = end; 2642cbe66bfeSBrett Creeley if ((start + needed) > res->end) 26435153a18eSAnirudh Venkataramanan break; 26445153a18eSAnirudh Venkataramanan } 26455153a18eSAnirudh Venkataramanan 26465153a18eSAnirudh Venkataramanan if (end == (start + needed)) { 26475153a18eSAnirudh Venkataramanan int i = start; 26485153a18eSAnirudh Venkataramanan 26495153a18eSAnirudh Venkataramanan /* there was enough, so assign it to the requestor */ 26505153a18eSAnirudh Venkataramanan while (i != end) 26515153a18eSAnirudh Venkataramanan res->list[i++] = id; 26525153a18eSAnirudh Venkataramanan 26535153a18eSAnirudh Venkataramanan return start; 26545153a18eSAnirudh Venkataramanan } 2655cbe66bfeSBrett Creeley } while (end < res->end); 26565153a18eSAnirudh Venkataramanan 26575153a18eSAnirudh Venkataramanan return -ENOMEM; 26585153a18eSAnirudh Venkataramanan } 26595153a18eSAnirudh Venkataramanan 26605153a18eSAnirudh Venkataramanan /** 26615153a18eSAnirudh Venkataramanan * ice_get_res - get a block of resources 26625153a18eSAnirudh Venkataramanan * @pf: board private structure 26635153a18eSAnirudh Venkataramanan * @res: pointer to the resource 26645153a18eSAnirudh Venkataramanan * @needed: size of the block needed 26655153a18eSAnirudh Venkataramanan * @id: identifier to track owner 26665153a18eSAnirudh Venkataramanan * 2667cbe66bfeSBrett Creeley * Returns the base item index of the block, or negative for error 26685153a18eSAnirudh Venkataramanan */ 26695153a18eSAnirudh Venkataramanan int 26705153a18eSAnirudh Venkataramanan ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id) 26715153a18eSAnirudh Venkataramanan { 26725153a18eSAnirudh Venkataramanan if (!res || !pf) 26735153a18eSAnirudh Venkataramanan return -EINVAL; 26745153a18eSAnirudh Venkataramanan 26755153a18eSAnirudh Venkataramanan if (!needed || needed > res->num_entries || id >= ICE_RES_VALID_BIT) { 26765153a18eSAnirudh Venkataramanan dev_err(&pf->pdev->dev, 26775153a18eSAnirudh Venkataramanan "param err: needed=%d, num_entries = %d id=0x%04x\n", 26785153a18eSAnirudh Venkataramanan needed, res->num_entries, id); 26795153a18eSAnirudh Venkataramanan return -EINVAL; 26805153a18eSAnirudh Venkataramanan } 26815153a18eSAnirudh Venkataramanan 2682cbe66bfeSBrett Creeley return ice_search_res(res, needed, id); 26835153a18eSAnirudh Venkataramanan } 26845153a18eSAnirudh Venkataramanan 26855153a18eSAnirudh Venkataramanan /** 26865153a18eSAnirudh Venkataramanan * ice_vsi_dis_irq - Mask off queue interrupt generation on the VSI 26875153a18eSAnirudh Venkataramanan * @vsi: the VSI being un-configured 26885153a18eSAnirudh Venkataramanan */ 26895153a18eSAnirudh Venkataramanan void ice_vsi_dis_irq(struct ice_vsi *vsi) 26905153a18eSAnirudh Venkataramanan { 2691cbe66bfeSBrett Creeley int base = vsi->base_vector; 26925153a18eSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 26935153a18eSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 26945153a18eSAnirudh Venkataramanan u32 val; 26955153a18eSAnirudh Venkataramanan int i; 26965153a18eSAnirudh Venkataramanan 26975153a18eSAnirudh Venkataramanan /* disable interrupt causation from each queue */ 26985153a18eSAnirudh Venkataramanan if (vsi->tx_rings) { 26995153a18eSAnirudh Venkataramanan ice_for_each_txq(vsi, i) { 27005153a18eSAnirudh Venkataramanan if (vsi->tx_rings[i]) { 27015153a18eSAnirudh Venkataramanan u16 reg; 27025153a18eSAnirudh Venkataramanan 27035153a18eSAnirudh Venkataramanan reg = vsi->tx_rings[i]->reg_idx; 27045153a18eSAnirudh Venkataramanan val = rd32(hw, QINT_TQCTL(reg)); 27055153a18eSAnirudh Venkataramanan val &= ~QINT_TQCTL_CAUSE_ENA_M; 27065153a18eSAnirudh Venkataramanan wr32(hw, QINT_TQCTL(reg), val); 27075153a18eSAnirudh Venkataramanan } 27085153a18eSAnirudh Venkataramanan } 27095153a18eSAnirudh Venkataramanan } 27105153a18eSAnirudh Venkataramanan 27115153a18eSAnirudh Venkataramanan if (vsi->rx_rings) { 27125153a18eSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) { 27135153a18eSAnirudh Venkataramanan if (vsi->rx_rings[i]) { 27145153a18eSAnirudh Venkataramanan u16 reg; 27155153a18eSAnirudh Venkataramanan 27165153a18eSAnirudh Venkataramanan reg = vsi->rx_rings[i]->reg_idx; 27175153a18eSAnirudh Venkataramanan val = rd32(hw, QINT_RQCTL(reg)); 27185153a18eSAnirudh Venkataramanan val &= ~QINT_RQCTL_CAUSE_ENA_M; 27195153a18eSAnirudh Venkataramanan wr32(hw, QINT_RQCTL(reg), val); 27205153a18eSAnirudh Venkataramanan } 27215153a18eSAnirudh Venkataramanan } 27225153a18eSAnirudh Venkataramanan } 27235153a18eSAnirudh Venkataramanan 27245153a18eSAnirudh Venkataramanan /* disable each interrupt */ 27255153a18eSAnirudh Venkataramanan if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) { 2726b07833a0SBrett Creeley ice_for_each_q_vector(vsi, i) 2727b07833a0SBrett Creeley wr32(hw, GLINT_DYN_CTL(vsi->q_vectors[i]->reg_idx), 0); 27285153a18eSAnirudh Venkataramanan 27295153a18eSAnirudh Venkataramanan ice_flush(hw); 2730b07833a0SBrett Creeley 27310c2561c8SBrett Creeley ice_for_each_q_vector(vsi, i) 27325153a18eSAnirudh Venkataramanan synchronize_irq(pf->msix_entries[i + base].vector); 27335153a18eSAnirudh Venkataramanan } 27345153a18eSAnirudh Venkataramanan } 27355153a18eSAnirudh Venkataramanan 27365153a18eSAnirudh Venkataramanan /** 2737df0f8479SAnirudh Venkataramanan * ice_vsi_release - Delete a VSI and free its resources 2738df0f8479SAnirudh Venkataramanan * @vsi: the VSI being removed 2739df0f8479SAnirudh Venkataramanan * 2740df0f8479SAnirudh Venkataramanan * Returns 0 on success or < 0 on error 2741df0f8479SAnirudh Venkataramanan */ 2742df0f8479SAnirudh Venkataramanan int ice_vsi_release(struct ice_vsi *vsi) 2743df0f8479SAnirudh Venkataramanan { 2744df0f8479SAnirudh Venkataramanan struct ice_pf *pf; 2745df0f8479SAnirudh Venkataramanan 2746df0f8479SAnirudh Venkataramanan if (!vsi->back) 2747df0f8479SAnirudh Venkataramanan return -ENODEV; 2748df0f8479SAnirudh Venkataramanan pf = vsi->back; 2749b751930cSBrett Creeley 2750aa6ccf3fSBrett Creeley /* do not unregister while driver is in the reset recovery pending 2751aa6ccf3fSBrett Creeley * state. Since reset/rebuild happens through PF service task workqueue, 2752aa6ccf3fSBrett Creeley * it's not a good idea to unregister netdev that is associated to the 2753aa6ccf3fSBrett Creeley * PF that is running the work queue items currently. This is done to 2754aa6ccf3fSBrett Creeley * avoid check_flush_dependency() warning on this wq 2755df0f8479SAnirudh Venkataramanan */ 2756aa6ccf3fSBrett Creeley if (vsi->netdev && !ice_is_reset_in_progress(pf->state)) 2757df0f8479SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 2758df0f8479SAnirudh Venkataramanan 2759df0f8479SAnirudh Venkataramanan if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 2760df0f8479SAnirudh Venkataramanan ice_rss_clean(vsi); 2761df0f8479SAnirudh Venkataramanan 2762df0f8479SAnirudh Venkataramanan /* Disable VSI and free resources */ 27630e674aebSAnirudh Venkataramanan if (vsi->type != ICE_VSI_LB) 2764df0f8479SAnirudh Venkataramanan ice_vsi_dis_irq(vsi); 2765df0f8479SAnirudh Venkataramanan ice_vsi_close(vsi); 2766df0f8479SAnirudh Venkataramanan 2767cbe66bfeSBrett Creeley /* SR-IOV determines needed MSIX resources all at once instead of per 2768cbe66bfeSBrett Creeley * VSI since when VFs are spawned we know how many VFs there are and how 2769cbe66bfeSBrett Creeley * many interrupts each VF needs. SR-IOV MSIX resources are also 2770cbe66bfeSBrett Creeley * cleared in the same manner. 2771cbe66bfeSBrett Creeley */ 27728ede0178SAnirudh Venkataramanan if (vsi->type != ICE_VSI_VF) { 27738ede0178SAnirudh Venkataramanan /* reclaim SW interrupts back to the common pool */ 2774cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 2775eb0208ecSPreethi Banala pf->num_avail_sw_msix += vsi->num_q_vectors; 27768ede0178SAnirudh Venkataramanan } 2777df0f8479SAnirudh Venkataramanan 2778d95276ceSAkeem G Abodunrin if (vsi->type == ICE_VSI_PF) 2779d95276ceSAkeem G Abodunrin ice_vsi_add_rem_eth_mac(vsi, false); 2780d95276ceSAkeem G Abodunrin 27815726ca0eSAnirudh Venkataramanan ice_remove_vsi_fltr(&pf->hw, vsi->idx); 278210e03a22SAnirudh Venkataramanan ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); 2783df0f8479SAnirudh Venkataramanan ice_vsi_delete(vsi); 2784df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 2785aa6ccf3fSBrett Creeley 2786aa6ccf3fSBrett Creeley /* make sure unregister_netdev() was called by checking __ICE_DOWN */ 2787aa6ccf3fSBrett Creeley if (vsi->netdev && test_bit(__ICE_DOWN, vsi->state)) { 2788aa6ccf3fSBrett Creeley free_netdev(vsi->netdev); 2789aa6ccf3fSBrett Creeley vsi->netdev = NULL; 2790aa6ccf3fSBrett Creeley } 2791aa6ccf3fSBrett Creeley 2792df0f8479SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 2793df0f8479SAnirudh Venkataramanan 2794df0f8479SAnirudh Venkataramanan ice_vsi_put_qs(vsi); 2795df0f8479SAnirudh Venkataramanan pf->q_left_tx += vsi->alloc_txq; 2796df0f8479SAnirudh Venkataramanan pf->q_left_rx += vsi->alloc_rxq; 2797df0f8479SAnirudh Venkataramanan 2798df0f8479SAnirudh Venkataramanan /* retain SW VSI data structure since it is needed to unregister and 2799df0f8479SAnirudh Venkataramanan * free VSI netdev when PF is not in reset recovery pending state,\ 2800df0f8479SAnirudh Venkataramanan * for ex: during rmmod. 2801df0f8479SAnirudh Venkataramanan */ 28025df7e45dSDave Ertman if (!ice_is_reset_in_progress(pf->state)) 2803df0f8479SAnirudh Venkataramanan ice_vsi_clear(vsi); 2804df0f8479SAnirudh Venkataramanan 2805df0f8479SAnirudh Venkataramanan return 0; 2806df0f8479SAnirudh Venkataramanan } 2807df0f8479SAnirudh Venkataramanan 2808df0f8479SAnirudh Venkataramanan /** 2809df0f8479SAnirudh Venkataramanan * ice_vsi_rebuild - Rebuild VSI after reset 2810df0f8479SAnirudh Venkataramanan * @vsi: VSI to be rebuild 2811df0f8479SAnirudh Venkataramanan * 2812df0f8479SAnirudh Venkataramanan * Returns 0 on success and negative value on failure 2813df0f8479SAnirudh Venkataramanan */ 2814df0f8479SAnirudh Venkataramanan int ice_vsi_rebuild(struct ice_vsi *vsi) 2815df0f8479SAnirudh Venkataramanan { 2816df0f8479SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 28177eeac889SAkeem G Abodunrin struct ice_vf *vf = NULL; 2818c5a2a4a3SUsha Ketineni struct ice_pf *pf; 2819df0f8479SAnirudh Venkataramanan int ret, i; 2820df0f8479SAnirudh Venkataramanan 2821df0f8479SAnirudh Venkataramanan if (!vsi) 2822df0f8479SAnirudh Venkataramanan return -EINVAL; 2823df0f8479SAnirudh Venkataramanan 2824c5a2a4a3SUsha Ketineni pf = vsi->back; 28257eeac889SAkeem G Abodunrin if (vsi->type == ICE_VSI_VF) 28267eeac889SAkeem G Abodunrin vf = &pf->vf[vsi->vf_id]; 28277eeac889SAkeem G Abodunrin 282847e3e53cSHenry Tieman ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); 2829df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 28307eeac889SAkeem G Abodunrin 2831cbe66bfeSBrett Creeley /* SR-IOV determines needed MSIX resources all at once instead of per 2832cbe66bfeSBrett Creeley * VSI since when VFs are spawned we know how many VFs there are and how 2833cbe66bfeSBrett Creeley * many interrupts each VF needs. SR-IOV MSIX resources are also 2834cbe66bfeSBrett Creeley * cleared in the same manner. 2835cbe66bfeSBrett Creeley */ 28367eeac889SAkeem G Abodunrin if (vsi->type != ICE_VSI_VF) { 28377eeac889SAkeem G Abodunrin /* reclaim SW interrupts back to the common pool */ 2838cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx); 28397eeac889SAkeem G Abodunrin pf->num_avail_sw_msix += vsi->num_q_vectors; 2840cbe66bfeSBrett Creeley vsi->base_vector = 0; 28417eeac889SAkeem G Abodunrin } 28427eeac889SAkeem G Abodunrin 2843df0f8479SAnirudh Venkataramanan ice_vsi_clear_rings(vsi); 2844a85a3847SBrett Creeley ice_vsi_free_arrays(vsi); 2845819d8998SJesse Brandeburg ice_dev_onetime_setup(&pf->hw); 28465743020dSAkeem G Abodunrin if (vsi->type == ICE_VSI_VF) 28475743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, vf->vf_id); 28485743020dSAkeem G Abodunrin else 28495743020dSAkeem G Abodunrin ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID); 2850c5a2a4a3SUsha Ketineni ice_vsi_set_tc_cfg(vsi); 2851df0f8479SAnirudh Venkataramanan 2852df0f8479SAnirudh Venkataramanan /* Initialize VSI struct elements and create VSI in FW */ 2853df0f8479SAnirudh Venkataramanan ret = ice_vsi_init(vsi); 2854df0f8479SAnirudh Venkataramanan if (ret < 0) 2855df0f8479SAnirudh Venkataramanan goto err_vsi; 2856df0f8479SAnirudh Venkataramanan 2857a85a3847SBrett Creeley ret = ice_vsi_alloc_arrays(vsi); 2858df0f8479SAnirudh Venkataramanan if (ret < 0) 2859df0f8479SAnirudh Venkataramanan goto err_vsi; 2860df0f8479SAnirudh Venkataramanan 2861df0f8479SAnirudh Venkataramanan switch (vsi->type) { 2862df0f8479SAnirudh Venkataramanan case ICE_VSI_PF: 2863df0f8479SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 2864df0f8479SAnirudh Venkataramanan if (ret) 2865df0f8479SAnirudh Venkataramanan goto err_rings; 2866df0f8479SAnirudh Venkataramanan 2867b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2868b07833a0SBrett Creeley if (ret) 2869b07833a0SBrett Creeley goto err_vectors; 2870b07833a0SBrett Creeley 2871df0f8479SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 2872df0f8479SAnirudh Venkataramanan if (ret) 2873df0f8479SAnirudh Venkataramanan goto err_vectors; 2874df0f8479SAnirudh Venkataramanan 2875df0f8479SAnirudh Venkataramanan ice_vsi_map_rings_to_vectors(vsi); 287627a98affSMd Fahad Iqbal Polash /* Do not exit if configuring RSS had an issue, at least 287727a98affSMd Fahad Iqbal Polash * receive traffic on first queue. Hence no need to capture 287827a98affSMd Fahad Iqbal Polash * return value 287927a98affSMd Fahad Iqbal Polash */ 2880819d8998SJesse Brandeburg if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 288127a98affSMd Fahad Iqbal Polash ice_vsi_cfg_rss_lut_key(vsi); 2882df0f8479SAnirudh Venkataramanan break; 28838ede0178SAnirudh Venkataramanan case ICE_VSI_VF: 28848ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_q_vectors(vsi); 28858ede0178SAnirudh Venkataramanan if (ret) 28868ede0178SAnirudh Venkataramanan goto err_rings; 28878ede0178SAnirudh Venkataramanan 28888ede0178SAnirudh Venkataramanan ret = ice_vsi_setup_vector_base(vsi); 28898ede0178SAnirudh Venkataramanan if (ret) 28908ede0178SAnirudh Venkataramanan goto err_vectors; 28918ede0178SAnirudh Venkataramanan 2892b07833a0SBrett Creeley ret = ice_vsi_set_q_vectors_reg_idx(vsi); 2893b07833a0SBrett Creeley if (ret) 2894b07833a0SBrett Creeley goto err_vectors; 2895b07833a0SBrett Creeley 28968ede0178SAnirudh Venkataramanan ret = ice_vsi_alloc_rings(vsi); 28978ede0178SAnirudh Venkataramanan if (ret) 28988ede0178SAnirudh Venkataramanan goto err_vectors; 28998ede0178SAnirudh Venkataramanan 2900819d8998SJesse Brandeburg pf->q_left_tx -= vsi->alloc_txq; 2901819d8998SJesse Brandeburg pf->q_left_rx -= vsi->alloc_rxq; 29028ede0178SAnirudh Venkataramanan break; 2903df0f8479SAnirudh Venkataramanan default: 2904df0f8479SAnirudh Venkataramanan break; 2905df0f8479SAnirudh Venkataramanan } 2906df0f8479SAnirudh Venkataramanan 2907df0f8479SAnirudh Venkataramanan /* configure VSI nodes based on number of queues and TC's */ 2908df0f8479SAnirudh Venkataramanan for (i = 0; i < vsi->tc_cfg.numtc; i++) 2909c5a2a4a3SUsha Ketineni max_txqs[i] = pf->num_lan_tx; 2910df0f8479SAnirudh Venkataramanan 29114fb33f31SAnirudh Venkataramanan ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 29124fb33f31SAnirudh Venkataramanan max_txqs); 2913df0f8479SAnirudh Venkataramanan if (ret) { 291420ce2a1aSBrett Creeley dev_err(&pf->pdev->dev, 291520ce2a1aSBrett Creeley "VSI %d failed lan queue config, error %d\n", 291620ce2a1aSBrett Creeley vsi->vsi_num, ret); 2917df0f8479SAnirudh Venkataramanan goto err_vectors; 2918df0f8479SAnirudh Venkataramanan } 2919df0f8479SAnirudh Venkataramanan return 0; 2920df0f8479SAnirudh Venkataramanan 2921df0f8479SAnirudh Venkataramanan err_vectors: 2922df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 2923df0f8479SAnirudh Venkataramanan err_rings: 2924df0f8479SAnirudh Venkataramanan if (vsi->netdev) { 2925df0f8479SAnirudh Venkataramanan vsi->current_netdev_flags = 0; 2926df0f8479SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 2927df0f8479SAnirudh Venkataramanan free_netdev(vsi->netdev); 2928df0f8479SAnirudh Venkataramanan vsi->netdev = NULL; 2929df0f8479SAnirudh Venkataramanan } 2930df0f8479SAnirudh Venkataramanan err_vsi: 2931df0f8479SAnirudh Venkataramanan ice_vsi_clear(vsi); 2932819d8998SJesse Brandeburg set_bit(__ICE_RESET_FAILED, pf->state); 2933df0f8479SAnirudh Venkataramanan return ret; 2934df0f8479SAnirudh Venkataramanan } 2935df0f8479SAnirudh Venkataramanan 2936df0f8479SAnirudh Venkataramanan /** 29375df7e45dSDave Ertman * ice_is_reset_in_progress - check for a reset in progress 29385153a18eSAnirudh Venkataramanan * @state: pf state field 29395153a18eSAnirudh Venkataramanan */ 29405df7e45dSDave Ertman bool ice_is_reset_in_progress(unsigned long *state) 29415153a18eSAnirudh Venkataramanan { 29425df7e45dSDave Ertman return test_bit(__ICE_RESET_OICR_RECV, state) || 29435df7e45dSDave Ertman test_bit(__ICE_PFR_REQ, state) || 29445df7e45dSDave Ertman test_bit(__ICE_CORER_REQ, state) || 29455df7e45dSDave Ertman test_bit(__ICE_GLOBR_REQ, state); 29465153a18eSAnirudh Venkataramanan } 29477b9ffc76SAnirudh Venkataramanan 29487b9ffc76SAnirudh Venkataramanan #ifdef CONFIG_DCB 29497b9ffc76SAnirudh Venkataramanan /** 29507b9ffc76SAnirudh Venkataramanan * ice_vsi_update_q_map - update our copy of the VSI info with new queue map 29517b9ffc76SAnirudh Venkataramanan * @vsi: VSI being configured 29527b9ffc76SAnirudh Venkataramanan * @ctx: the context buffer returned from AQ VSI update command 29537b9ffc76SAnirudh Venkataramanan */ 29547b9ffc76SAnirudh Venkataramanan static void ice_vsi_update_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctx) 29557b9ffc76SAnirudh Venkataramanan { 29567b9ffc76SAnirudh Venkataramanan vsi->info.mapping_flags = ctx->info.mapping_flags; 29577b9ffc76SAnirudh Venkataramanan memcpy(&vsi->info.q_mapping, &ctx->info.q_mapping, 29587b9ffc76SAnirudh Venkataramanan sizeof(vsi->info.q_mapping)); 29597b9ffc76SAnirudh Venkataramanan memcpy(&vsi->info.tc_mapping, ctx->info.tc_mapping, 29607b9ffc76SAnirudh Venkataramanan sizeof(vsi->info.tc_mapping)); 29617b9ffc76SAnirudh Venkataramanan } 29627b9ffc76SAnirudh Venkataramanan 29637b9ffc76SAnirudh Venkataramanan /** 29647b9ffc76SAnirudh Venkataramanan * ice_vsi_cfg_netdev_tc - Setup the netdev TC configuration 29657b9ffc76SAnirudh Venkataramanan * @vsi: the VSI being configured 29667b9ffc76SAnirudh Venkataramanan * @ena_tc: TC map to be enabled 29677b9ffc76SAnirudh Venkataramanan */ 29687b9ffc76SAnirudh Venkataramanan static void ice_vsi_cfg_netdev_tc(struct ice_vsi *vsi, u8 ena_tc) 29697b9ffc76SAnirudh Venkataramanan { 29707b9ffc76SAnirudh Venkataramanan struct net_device *netdev = vsi->netdev; 29717b9ffc76SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 29727b9ffc76SAnirudh Venkataramanan struct ice_dcbx_cfg *dcbcfg; 29737b9ffc76SAnirudh Venkataramanan u8 netdev_tc; 29747b9ffc76SAnirudh Venkataramanan int i; 29757b9ffc76SAnirudh Venkataramanan 29767b9ffc76SAnirudh Venkataramanan if (!netdev) 29777b9ffc76SAnirudh Venkataramanan return; 29787b9ffc76SAnirudh Venkataramanan 29797b9ffc76SAnirudh Venkataramanan if (!ena_tc) { 29807b9ffc76SAnirudh Venkataramanan netdev_reset_tc(netdev); 29817b9ffc76SAnirudh Venkataramanan return; 29827b9ffc76SAnirudh Venkataramanan } 29837b9ffc76SAnirudh Venkataramanan 29847b9ffc76SAnirudh Venkataramanan if (netdev_set_num_tc(netdev, vsi->tc_cfg.numtc)) 29857b9ffc76SAnirudh Venkataramanan return; 29867b9ffc76SAnirudh Venkataramanan 29877b9ffc76SAnirudh Venkataramanan dcbcfg = &pf->hw.port_info->local_dcbx_cfg; 29887b9ffc76SAnirudh Venkataramanan 29897b9ffc76SAnirudh Venkataramanan ice_for_each_traffic_class(i) 29907b9ffc76SAnirudh Venkataramanan if (vsi->tc_cfg.ena_tc & BIT(i)) 29917b9ffc76SAnirudh Venkataramanan netdev_set_tc_queue(netdev, 29927b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].netdev_tc, 29937b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qcount_tx, 29947b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.tc_info[i].qoffset); 29957b9ffc76SAnirudh Venkataramanan 29967b9ffc76SAnirudh Venkataramanan for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 29977b9ffc76SAnirudh Venkataramanan u8 ets_tc = dcbcfg->etscfg.prio_table[i]; 29987b9ffc76SAnirudh Venkataramanan 29997b9ffc76SAnirudh Venkataramanan /* Get the mapped netdev TC# for the UP */ 30007b9ffc76SAnirudh Venkataramanan netdev_tc = vsi->tc_cfg.tc_info[ets_tc].netdev_tc; 30017b9ffc76SAnirudh Venkataramanan netdev_set_prio_tc_map(netdev, i, netdev_tc); 30027b9ffc76SAnirudh Venkataramanan } 30037b9ffc76SAnirudh Venkataramanan } 30047b9ffc76SAnirudh Venkataramanan 30057b9ffc76SAnirudh Venkataramanan /** 30067b9ffc76SAnirudh Venkataramanan * ice_vsi_cfg_tc - Configure VSI Tx Sched for given TC map 30077b9ffc76SAnirudh Venkataramanan * @vsi: VSI to be configured 30087b9ffc76SAnirudh Venkataramanan * @ena_tc: TC bitmap 30097b9ffc76SAnirudh Venkataramanan * 30107b9ffc76SAnirudh Venkataramanan * VSI queues expected to be quiesced before calling this function 30117b9ffc76SAnirudh Venkataramanan */ 30127b9ffc76SAnirudh Venkataramanan int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc) 30137b9ffc76SAnirudh Venkataramanan { 30147b9ffc76SAnirudh Venkataramanan u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 30157b9ffc76SAnirudh Venkataramanan struct ice_vsi_ctx *ctx; 30167b9ffc76SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 30177b9ffc76SAnirudh Venkataramanan enum ice_status status; 30187b9ffc76SAnirudh Venkataramanan int i, ret = 0; 30197b9ffc76SAnirudh Venkataramanan u8 num_tc = 0; 30207b9ffc76SAnirudh Venkataramanan 30217b9ffc76SAnirudh Venkataramanan ice_for_each_traffic_class(i) { 30227b9ffc76SAnirudh Venkataramanan /* build bitmap of enabled TCs */ 30237b9ffc76SAnirudh Venkataramanan if (ena_tc & BIT(i)) 30247b9ffc76SAnirudh Venkataramanan num_tc++; 30257b9ffc76SAnirudh Venkataramanan /* populate max_txqs per TC */ 30267b9ffc76SAnirudh Venkataramanan max_txqs[i] = pf->num_lan_tx; 30277b9ffc76SAnirudh Venkataramanan } 30287b9ffc76SAnirudh Venkataramanan 30297b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.ena_tc = ena_tc; 30307b9ffc76SAnirudh Venkataramanan vsi->tc_cfg.numtc = num_tc; 30317b9ffc76SAnirudh Venkataramanan 30327b9ffc76SAnirudh Venkataramanan ctx = devm_kzalloc(&pf->pdev->dev, sizeof(*ctx), GFP_KERNEL); 30337b9ffc76SAnirudh Venkataramanan if (!ctx) 30347b9ffc76SAnirudh Venkataramanan return -ENOMEM; 30357b9ffc76SAnirudh Venkataramanan 30367b9ffc76SAnirudh Venkataramanan ctx->vf_num = 0; 30377b9ffc76SAnirudh Venkataramanan ctx->info = vsi->info; 30387b9ffc76SAnirudh Venkataramanan 30397b9ffc76SAnirudh Venkataramanan ice_vsi_setup_q_map(vsi, ctx); 30407b9ffc76SAnirudh Venkataramanan 30417b9ffc76SAnirudh Venkataramanan /* must to indicate which section of VSI context are being modified */ 30427b9ffc76SAnirudh Venkataramanan ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID); 30437b9ffc76SAnirudh Venkataramanan status = ice_update_vsi(&pf->hw, vsi->idx, ctx, NULL); 30447b9ffc76SAnirudh Venkataramanan if (status) { 30457b9ffc76SAnirudh Venkataramanan dev_info(&pf->pdev->dev, "Failed VSI Update\n"); 30467b9ffc76SAnirudh Venkataramanan ret = -EIO; 30477b9ffc76SAnirudh Venkataramanan goto out; 30487b9ffc76SAnirudh Venkataramanan } 30497b9ffc76SAnirudh Venkataramanan 30507b9ffc76SAnirudh Venkataramanan status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 30517b9ffc76SAnirudh Venkataramanan max_txqs); 30527b9ffc76SAnirudh Venkataramanan 30537b9ffc76SAnirudh Venkataramanan if (status) { 30547b9ffc76SAnirudh Venkataramanan dev_err(&pf->pdev->dev, 30557b9ffc76SAnirudh Venkataramanan "VSI %d failed TC config, error %d\n", 30567b9ffc76SAnirudh Venkataramanan vsi->vsi_num, status); 30577b9ffc76SAnirudh Venkataramanan ret = -EIO; 30587b9ffc76SAnirudh Venkataramanan goto out; 30597b9ffc76SAnirudh Venkataramanan } 30607b9ffc76SAnirudh Venkataramanan ice_vsi_update_q_map(vsi, ctx); 30617b9ffc76SAnirudh Venkataramanan vsi->info.valid_sections = 0; 30627b9ffc76SAnirudh Venkataramanan 30637b9ffc76SAnirudh Venkataramanan ice_vsi_cfg_netdev_tc(vsi, ena_tc); 30647b9ffc76SAnirudh Venkataramanan out: 30657b9ffc76SAnirudh Venkataramanan devm_kfree(&pf->pdev->dev, ctx); 30667b9ffc76SAnirudh Venkataramanan return ret; 30677b9ffc76SAnirudh Venkataramanan } 30687b9ffc76SAnirudh Venkataramanan #endif /* CONFIG_DCB */ 3069