/* SPDX-License-Identifier: BSD-3-Clause * Copyright(c) 2018 Intel Corporation */ #include #include #include "rte_pmd_ice.h" #include "ice_rxtx.h" #define ICE_TX_CKSUM_OFFLOAD_MASK ( \ PKT_TX_IP_CKSUM | \ PKT_TX_L4_MASK | \ PKT_TX_TCP_SEG | \ PKT_TX_OUTER_IP_CKSUM) /* Offset of mbuf dynamic field for protocol extraction data */ int rte_net_ice_dynfield_proto_xtr_metadata_offs = -1; /* Mask of mbuf dynamic flags for protocol extraction type */ uint64_t rte_net_ice_dynflag_proto_xtr_vlan_mask; uint64_t rte_net_ice_dynflag_proto_xtr_ipv4_mask; uint64_t rte_net_ice_dynflag_proto_xtr_ipv6_mask; uint64_t rte_net_ice_dynflag_proto_xtr_ipv6_flow_mask; uint64_t rte_net_ice_dynflag_proto_xtr_tcp_mask; static inline uint64_t ice_rxdid_to_proto_xtr_ol_flag(uint8_t rxdid) { static uint64_t *ol_flag_map[] = { [ICE_RXDID_COMMS_AUX_VLAN] = &rte_net_ice_dynflag_proto_xtr_vlan_mask, [ICE_RXDID_COMMS_AUX_IPV4] = &rte_net_ice_dynflag_proto_xtr_ipv4_mask, [ICE_RXDID_COMMS_AUX_IPV6] = &rte_net_ice_dynflag_proto_xtr_ipv6_mask, [ICE_RXDID_COMMS_AUX_IPV6_FLOW] = &rte_net_ice_dynflag_proto_xtr_ipv6_flow_mask, [ICE_RXDID_COMMS_AUX_TCP] = &rte_net_ice_dynflag_proto_xtr_tcp_mask, }; uint64_t *ol_flag; ol_flag = rxdid < RTE_DIM(ol_flag_map) ? ol_flag_map[rxdid] : NULL; return ol_flag != NULL ? *ol_flag : 0ULL; } static inline uint8_t ice_proto_xtr_type_to_rxdid(uint8_t xtr_type) { static uint8_t rxdid_map[] = { [PROTO_XTR_NONE] = ICE_RXDID_COMMS_GENERIC, [PROTO_XTR_VLAN] = ICE_RXDID_COMMS_AUX_VLAN, [PROTO_XTR_IPV4] = ICE_RXDID_COMMS_AUX_IPV4, [PROTO_XTR_IPV6] = ICE_RXDID_COMMS_AUX_IPV6, [PROTO_XTR_IPV6_FLOW] = ICE_RXDID_COMMS_AUX_IPV6_FLOW, [PROTO_XTR_TCP] = ICE_RXDID_COMMS_AUX_TCP, }; return xtr_type < RTE_DIM(rxdid_map) ? rxdid_map[xtr_type] : ICE_RXDID_COMMS_GENERIC; } static enum ice_status ice_program_hw_rx_queue(struct ice_rx_queue *rxq) { struct ice_vsi *vsi = rxq->vsi; struct ice_hw *hw = ICE_VSI_TO_HW(vsi); struct rte_eth_dev *dev = ICE_VSI_TO_ETH_DEV(rxq->vsi); struct ice_rlan_ctx rx_ctx; enum ice_status err; uint16_t buf_size, len; struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode; uint32_t rxdid = ICE_RXDID_COMMS_GENERIC; uint32_t regval; /* Set buffer size as the head split is disabled. */ buf_size = (uint16_t)(rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM); rxq->rx_hdr_len = 0; rxq->rx_buf_len = RTE_ALIGN(buf_size, (1 << ICE_RLAN_CTX_DBUF_S)); len = ICE_SUPPORT_CHAIN_NUM * rxq->rx_buf_len; rxq->max_pkt_len = RTE_MIN(len, dev->data->dev_conf.rxmode.max_rx_pkt_len); if (rxmode->offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) { if (rxq->max_pkt_len <= RTE_ETHER_MAX_LEN || rxq->max_pkt_len > ICE_FRAME_SIZE_MAX) { PMD_DRV_LOG(ERR, "maximum packet length must " "be larger than %u and smaller than %u," "as jumbo frame is enabled", (uint32_t)RTE_ETHER_MAX_LEN, (uint32_t)ICE_FRAME_SIZE_MAX); return -EINVAL; } } else { if (rxq->max_pkt_len < RTE_ETHER_MIN_LEN || rxq->max_pkt_len > RTE_ETHER_MAX_LEN) { PMD_DRV_LOG(ERR, "maximum packet length must be " "larger than %u and smaller than %u, " "as jumbo frame is disabled", (uint32_t)RTE_ETHER_MIN_LEN, (uint32_t)RTE_ETHER_MAX_LEN); return -EINVAL; } } memset(&rx_ctx, 0, sizeof(rx_ctx)); rx_ctx.base = rxq->rx_ring_dma / ICE_QUEUE_BASE_ADDR_UNIT; rx_ctx.qlen = rxq->nb_rx_desc; rx_ctx.dbuf = rxq->rx_buf_len >> ICE_RLAN_CTX_DBUF_S; rx_ctx.hbuf = rxq->rx_hdr_len >> ICE_RLAN_CTX_HBUF_S; rx_ctx.dtype = 0; /* No Header Split mode */ #ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC rx_ctx.dsize = 1; /* 32B descriptors */ #endif rx_ctx.rxmax = rxq->max_pkt_len; /* TPH: Transaction Layer Packet (TLP) processing hints */ rx_ctx.tphrdesc_ena = 1; rx_ctx.tphwdesc_ena = 1; rx_ctx.tphdata_ena = 1; rx_ctx.tphhead_ena = 1; /* Low Receive Queue Threshold defined in 64 descriptors units. * When the number of free descriptors goes below the lrxqthresh, * an immediate interrupt is triggered. */ rx_ctx.lrxqthresh = 2; /*default use 32 byte descriptor, vlan tag extract to L2TAG2(1st)*/ rx_ctx.l2tsel = 1; rx_ctx.showiv = 0; rx_ctx.crcstrip = (rxq->crc_len == 0) ? 1 : 0; rxdid = ice_proto_xtr_type_to_rxdid(rxq->proto_xtr); PMD_DRV_LOG(DEBUG, "Port (%u) - Rx queue (%u) is set with RXDID : %u", rxq->port_id, rxq->queue_id, rxdid); /* Enable Flexible Descriptors in the queue context which * allows this driver to select a specific receive descriptor format */ regval = (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) & QRXFLXP_CNTXT_RXDID_IDX_M; /* increasing context priority to pick up profile ID; * default is 0x01; setting to 0x03 to ensure profile * is programming if prev context is of same priority */ regval |= (0x03 << QRXFLXP_CNTXT_RXDID_PRIO_S) & QRXFLXP_CNTXT_RXDID_PRIO_M; ICE_WRITE_REG(hw, QRXFLXP_CNTXT(rxq->reg_idx), regval); err = ice_clear_rxq_ctx(hw, rxq->reg_idx); if (err) { PMD_DRV_LOG(ERR, "Failed to clear Lan Rx queue (%u) context", rxq->queue_id); return -EINVAL; } err = ice_write_rxq_ctx(hw, &rx_ctx, rxq->reg_idx); if (err) { PMD_DRV_LOG(ERR, "Failed to write Lan Rx queue (%u) context", rxq->queue_id); return -EINVAL; } buf_size = (uint16_t)(rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM); /* Check if scattered RX needs to be used. */ if (rxq->max_pkt_len > buf_size) dev->data->scattered_rx = 1; rxq->qrx_tail = hw->hw_addr + QRX_TAIL(rxq->reg_idx); /* Init the Rx tail register*/ ICE_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1); return 0; } /* Allocate mbufs for all descriptors in rx queue */ static int ice_alloc_rx_queue_mbufs(struct ice_rx_queue *rxq) { struct ice_rx_entry *rxe = rxq->sw_ring; uint64_t dma_addr; uint16_t i; for (i = 0; i < rxq->nb_rx_desc; i++) { volatile union ice_rx_flex_desc *rxd; struct rte_mbuf *mbuf = rte_mbuf_raw_alloc(rxq->mp); if (unlikely(!mbuf)) { PMD_DRV_LOG(ERR, "Failed to allocate mbuf for RX"); return -ENOMEM; } rte_mbuf_refcnt_set(mbuf, 1); mbuf->next = NULL; mbuf->data_off = RTE_PKTMBUF_HEADROOM; mbuf->nb_segs = 1; mbuf->port = rxq->port_id; dma_addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf)); rxd = &rxq->rx_ring[i]; rxd->read.pkt_addr = dma_addr; rxd->read.hdr_addr = 0; #ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC rxd->read.rsvd1 = 0; rxd->read.rsvd2 = 0; #endif rxe[i].mbuf = mbuf; } return 0; } /* Free all mbufs for descriptors in rx queue */ static void _ice_rx_queue_release_mbufs(struct ice_rx_queue *rxq) { uint16_t i; if (!rxq || !rxq->sw_ring) { PMD_DRV_LOG(DEBUG, "Pointer to sw_ring is NULL"); return; } for (i = 0; i < rxq->nb_rx_desc; i++) { if (rxq->sw_ring[i].mbuf) { rte_pktmbuf_free_seg(rxq->sw_ring[i].mbuf); rxq->sw_ring[i].mbuf = NULL; } } #ifdef RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC if (rxq->rx_nb_avail == 0) return; for (i = 0; i < rxq->rx_nb_avail; i++) { struct rte_mbuf *mbuf; mbuf = rxq->rx_stage[rxq->rx_next_avail + i]; rte_pktmbuf_free_seg(mbuf); } rxq->rx_nb_avail = 0; #endif /* RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC */ } static void ice_rx_queue_release_mbufs(struct ice_rx_queue *rxq) { rxq->rx_rel_mbufs(rxq); } /* turn on or off rx queue * @q_idx: queue index in pf scope * @on: turn on or off the queue */ static int ice_switch_rx_queue(struct ice_hw *hw, uint16_t q_idx, bool on) { uint32_t reg; uint16_t j; /* QRX_CTRL = QRX_ENA */ reg = ICE_READ_REG(hw, QRX_CTRL(q_idx)); if (on) { if (reg & QRX_CTRL_QENA_STAT_M) return 0; /* Already on, skip */ reg |= QRX_CTRL_QENA_REQ_M; } else { if (!(reg & QRX_CTRL_QENA_STAT_M)) return 0; /* Already off, skip */ reg &= ~QRX_CTRL_QENA_REQ_M; } /* Write the register */ ICE_WRITE_REG(hw, QRX_CTRL(q_idx), reg); /* Check the result. It is said that QENA_STAT * follows the QENA_REQ not more than 10 use. * TODO: need to change the wait counter later */ for (j = 0; j < ICE_CHK_Q_ENA_COUNT; j++) { rte_delay_us(ICE_CHK_Q_ENA_INTERVAL_US); reg = ICE_READ_REG(hw, QRX_CTRL(q_idx)); if (on) { if ((reg & QRX_CTRL_QENA_REQ_M) && (reg & QRX_CTRL_QENA_STAT_M)) break; } else { if (!(reg & QRX_CTRL_QENA_REQ_M) && !(reg & QRX_CTRL_QENA_STAT_M)) break; } } /* Check if it is timeout */ if (j >= ICE_CHK_Q_ENA_COUNT) { PMD_DRV_LOG(ERR, "Failed to %s rx queue[%u]", (on ? "enable" : "disable"), q_idx); return -ETIMEDOUT; } return 0; } static inline int #ifdef RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC ice_check_rx_burst_bulk_alloc_preconditions(struct ice_rx_queue *rxq) #else ice_check_rx_burst_bulk_alloc_preconditions (__rte_unused struct ice_rx_queue *rxq) #endif { int ret = 0; #ifdef RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC if (!(rxq->rx_free_thresh >= ICE_RX_MAX_BURST)) { PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: " "rxq->rx_free_thresh=%d, " "ICE_RX_MAX_BURST=%d", rxq->rx_free_thresh, ICE_RX_MAX_BURST); ret = -EINVAL; } else if (!(rxq->rx_free_thresh < rxq->nb_rx_desc)) { PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: " "rxq->rx_free_thresh=%d, " "rxq->nb_rx_desc=%d", rxq->rx_free_thresh, rxq->nb_rx_desc); ret = -EINVAL; } else if (rxq->nb_rx_desc % rxq->rx_free_thresh != 0) { PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: " "rxq->nb_rx_desc=%d, " "rxq->rx_free_thresh=%d", rxq->nb_rx_desc, rxq->rx_free_thresh); ret = -EINVAL; } #else ret = -EINVAL; #endif return ret; } /* reset fields in ice_rx_queue back to default */ static void ice_reset_rx_queue(struct ice_rx_queue *rxq) { unsigned int i; uint16_t len; if (!rxq) { PMD_DRV_LOG(DEBUG, "Pointer to rxq is NULL"); return; } #ifdef RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC if (ice_check_rx_burst_bulk_alloc_preconditions(rxq) == 0) len = (uint16_t)(rxq->nb_rx_desc + ICE_RX_MAX_BURST); else #endif /* RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC */ len = rxq->nb_rx_desc; for (i = 0; i < len * sizeof(union ice_rx_flex_desc); i++) ((volatile char *)rxq->rx_ring)[i] = 0; #ifdef RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC memset(&rxq->fake_mbuf, 0x0, sizeof(rxq->fake_mbuf)); for (i = 0; i < ICE_RX_MAX_BURST; ++i) rxq->sw_ring[rxq->nb_rx_desc + i].mbuf = &rxq->fake_mbuf; rxq->rx_nb_avail = 0; rxq->rx_next_avail = 0; rxq->rx_free_trigger = (uint16_t)(rxq->rx_free_thresh - 1); #endif /* RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC */ rxq->rx_tail = 0; rxq->nb_rx_hold = 0; rxq->pkt_first_seg = NULL; rxq->pkt_last_seg = NULL; rxq->rxrearm_start = 0; rxq->rxrearm_nb = 0; } int ice_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id) { struct ice_rx_queue *rxq; int err; struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private); PMD_INIT_FUNC_TRACE(); if (rx_queue_id >= dev->data->nb_rx_queues) { PMD_DRV_LOG(ERR, "RX queue %u is out of range %u", rx_queue_id, dev->data->nb_rx_queues); return -EINVAL; } rxq = dev->data->rx_queues[rx_queue_id]; if (!rxq || !rxq->q_set) { PMD_DRV_LOG(ERR, "RX queue %u not available or setup", rx_queue_id); return -EINVAL; } err = ice_program_hw_rx_queue(rxq); if (err) { PMD_DRV_LOG(ERR, "fail to program RX queue %u", rx_queue_id); return -EIO; } err = ice_alloc_rx_queue_mbufs(rxq); if (err) { PMD_DRV_LOG(ERR, "Failed to allocate RX queue mbuf"); return -ENOMEM; } /* Init the RX tail register. */ ICE_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1); err = ice_switch_rx_queue(hw, rxq->reg_idx, TRUE); if (err) { PMD_DRV_LOG(ERR, "Failed to switch RX queue %u on", rx_queue_id); ice_rx_queue_release_mbufs(rxq); ice_reset_rx_queue(rxq); return -EINVAL; } dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED; return 0; } int ice_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id) { struct ice_rx_queue *rxq; int err; struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private); if (rx_queue_id < dev->data->nb_rx_queues) { rxq = dev->data->rx_queues[rx_queue_id]; err = ice_switch_rx_queue(hw, rxq->reg_idx, FALSE); if (err) { PMD_DRV_LOG(ERR, "Failed to switch RX queue %u off", rx_queue_id); return -EINVAL; } ice_rx_queue_release_mbufs(rxq); ice_reset_rx_queue(rxq); dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED; } return 0; } int ice_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id) { struct ice_tx_queue *txq; int err; struct ice_vsi *vsi; struct ice_hw *hw; struct ice_aqc_add_tx_qgrp txq_elem; struct ice_tlan_ctx tx_ctx; PMD_INIT_FUNC_TRACE(); if (tx_queue_id >= dev->data->nb_tx_queues) { PMD_DRV_LOG(ERR, "TX queue %u is out of range %u", tx_queue_id, dev->data->nb_tx_queues); return -EINVAL; } txq = dev->data->tx_queues[tx_queue_id]; if (!txq || !txq->q_set) { PMD_DRV_LOG(ERR, "TX queue %u is not available or setup", tx_queue_id); return -EINVAL; } vsi = txq->vsi; hw = ICE_VSI_TO_HW(vsi); memset(&txq_elem, 0, sizeof(txq_elem)); memset(&tx_ctx, 0, sizeof(tx_ctx)); txq_elem.num_txqs = 1; txq_elem.txqs[0].txq_id = rte_cpu_to_le_16(txq->reg_idx); tx_ctx.base = txq->tx_ring_dma / ICE_QUEUE_BASE_ADDR_UNIT; tx_ctx.qlen = txq->nb_tx_desc; tx_ctx.pf_num = hw->pf_id; tx_ctx.vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_PF; tx_ctx.src_vsi = vsi->vsi_id; tx_ctx.port_num = hw->port_info->lport; tx_ctx.tso_ena = 1; /* tso enable */ tx_ctx.tso_qnum = txq->reg_idx; /* index for tso state structure */ tx_ctx.legacy_int = 1; /* Legacy or Advanced Host Interface */ ice_set_ctx((uint8_t *)&tx_ctx, txq_elem.txqs[0].txq_ctx, ice_tlan_ctx_info); txq->qtx_tail = hw->hw_addr + QTX_COMM_DBELL(txq->reg_idx); /* Init the Tx tail register*/ ICE_PCI_REG_WRITE(txq->qtx_tail, 0); /* Fix me, we assume TC always 0 here */ err = ice_ena_vsi_txq(hw->port_info, vsi->idx, 0, tx_queue_id, 1, &txq_elem, sizeof(txq_elem), NULL); if (err) { PMD_DRV_LOG(ERR, "Failed to add lan txq"); return -EIO; } /* store the schedule node id */ txq->q_teid = txq_elem.txqs[0].q_teid; dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED; return 0; } static enum ice_status ice_fdir_program_hw_rx_queue(struct ice_rx_queue *rxq) { struct ice_vsi *vsi = rxq->vsi; struct ice_hw *hw = ICE_VSI_TO_HW(vsi); uint32_t rxdid = ICE_RXDID_LEGACY_1; struct ice_rlan_ctx rx_ctx; enum ice_status err; uint32_t regval; rxq->rx_hdr_len = 0; rxq->rx_buf_len = 1024; memset(&rx_ctx, 0, sizeof(rx_ctx)); rx_ctx.base = rxq->rx_ring_dma / ICE_QUEUE_BASE_ADDR_UNIT; rx_ctx.qlen = rxq->nb_rx_desc; rx_ctx.dbuf = rxq->rx_buf_len >> ICE_RLAN_CTX_DBUF_S; rx_ctx.hbuf = rxq->rx_hdr_len >> ICE_RLAN_CTX_HBUF_S; rx_ctx.dtype = 0; /* No Header Split mode */ rx_ctx.dsize = 1; /* 32B descriptors */ rx_ctx.rxmax = RTE_ETHER_MAX_LEN; /* TPH: Transaction Layer Packet (TLP) processing hints */ rx_ctx.tphrdesc_ena = 1; rx_ctx.tphwdesc_ena = 1; rx_ctx.tphdata_ena = 1; rx_ctx.tphhead_ena = 1; /* Low Receive Queue Threshold defined in 64 descriptors units. * When the number of free descriptors goes below the lrxqthresh, * an immediate interrupt is triggered. */ rx_ctx.lrxqthresh = 2; /*default use 32 byte descriptor, vlan tag extract to L2TAG2(1st)*/ rx_ctx.l2tsel = 1; rx_ctx.showiv = 0; rx_ctx.crcstrip = (rxq->crc_len == 0) ? 1 : 0; /* Enable Flexible Descriptors in the queue context which * allows this driver to select a specific receive descriptor format */ regval = (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) & QRXFLXP_CNTXT_RXDID_IDX_M; /* increasing context priority to pick up profile ID; * default is 0x01; setting to 0x03 to ensure profile * is programming if prev context is of same priority */ regval |= (0x03 << QRXFLXP_CNTXT_RXDID_PRIO_S) & QRXFLXP_CNTXT_RXDID_PRIO_M; ICE_WRITE_REG(hw, QRXFLXP_CNTXT(rxq->reg_idx), regval); err = ice_clear_rxq_ctx(hw, rxq->reg_idx); if (err) { PMD_DRV_LOG(ERR, "Failed to clear Lan Rx queue (%u) context", rxq->queue_id); return -EINVAL; } err = ice_write_rxq_ctx(hw, &rx_ctx, rxq->reg_idx); if (err) { PMD_DRV_LOG(ERR, "Failed to write Lan Rx queue (%u) context", rxq->queue_id); return -EINVAL; } rxq->qrx_tail = hw->hw_addr + QRX_TAIL(rxq->reg_idx); /* Init the Rx tail register*/ ICE_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1); return 0; } int ice_fdir_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id) { struct ice_rx_queue *rxq; int err; struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private); struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private); PMD_INIT_FUNC_TRACE(); rxq = pf->fdir.rxq; if (!rxq || !rxq->q_set) { PMD_DRV_LOG(ERR, "FDIR RX queue %u not available or setup", rx_queue_id); return -EINVAL; } err = ice_fdir_program_hw_rx_queue(rxq); if (err) { PMD_DRV_LOG(ERR, "fail to program FDIR RX queue %u", rx_queue_id); return -EIO; } /* Init the RX tail register. */ ICE_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1); err = ice_switch_rx_queue(hw, rxq->reg_idx, TRUE); if (err) { PMD_DRV_LOG(ERR, "Failed to switch FDIR RX queue %u on", rx_queue_id); ice_reset_rx_queue(rxq); return -EINVAL; } return 0; } int ice_fdir_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id) { struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private); struct ice_tx_queue *txq; int err; struct ice_vsi *vsi; struct ice_hw *hw; struct ice_aqc_add_tx_qgrp txq_elem; struct ice_tlan_ctx tx_ctx; PMD_INIT_FUNC_TRACE(); txq = pf->fdir.txq; if (!txq || !txq->q_set) { PMD_DRV_LOG(ERR, "FDIR TX queue %u is not available or setup", tx_queue_id); return -EINVAL; } vsi = txq->vsi; hw = ICE_VSI_TO_HW(vsi); memset(&txq_elem, 0, sizeof(txq_elem)); memset(&tx_ctx, 0, sizeof(tx_ctx)); txq_elem.num_txqs = 1; txq_elem.txqs[0].txq_id = rte_cpu_to_le_16(txq->reg_idx); tx_ctx.base = txq->tx_ring_dma / ICE_QUEUE_BASE_ADDR_UNIT; tx_ctx.qlen = txq->nb_tx_desc; tx_ctx.pf_num = hw->pf_id; tx_ctx.vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_PF; tx_ctx.src_vsi = vsi->vsi_id; tx_ctx.port_num = hw->port_info->lport; tx_ctx.tso_ena = 1; /* tso enable */ tx_ctx.tso_qnum = txq->reg_idx; /* index for tso state structure */ tx_ctx.legacy_int = 1; /* Legacy or Advanced Host Interface */ ice_set_ctx((uint8_t *)&tx_ctx, txq_elem.txqs[0].txq_ctx, ice_tlan_ctx_info); txq->qtx_tail = hw->hw_addr + QTX_COMM_DBELL(txq->reg_idx); /* Init the Tx tail register*/ ICE_PCI_REG_WRITE(txq->qtx_tail, 0); /* Fix me, we assume TC always 0 here */ err = ice_ena_vsi_txq(hw->port_info, vsi->idx, 0, tx_queue_id, 1, &txq_elem, sizeof(txq_elem), NULL); if (err) { PMD_DRV_LOG(ERR, "Failed to add FDIR txq"); return -EIO; } /* store the schedule node id */ txq->q_teid = txq_elem.txqs[0].q_teid; return 0; } /* Free all mbufs for descriptors in tx queue */ static void _ice_tx_queue_release_mbufs(struct ice_tx_queue *txq) { uint16_t i; if (!txq || !txq->sw_ring) { PMD_DRV_LOG(DEBUG, "Pointer to txq or sw_ring is NULL"); return; } for (i = 0; i < txq->nb_tx_desc; i++) { if (txq->sw_ring[i].mbuf) { rte_pktmbuf_free_seg(txq->sw_ring[i].mbuf); txq->sw_ring[i].mbuf = NULL; } } } static void ice_tx_queue_release_mbufs(struct ice_tx_queue *txq) { txq->tx_rel_mbufs(txq); } static void ice_reset_tx_queue(struct ice_tx_queue *txq) { struct ice_tx_entry *txe; uint16_t i, prev, size; if (!txq) { PMD_DRV_LOG(DEBUG, "Pointer to txq is NULL"); return; } txe = txq->sw_ring; size = sizeof(struct ice_tx_desc) * txq->nb_tx_desc; for (i = 0; i < size; i++) ((volatile char *)txq->tx_ring)[i] = 0; prev = (uint16_t)(txq->nb_tx_desc - 1); for (i = 0; i < txq->nb_tx_desc; i++) { volatile struct ice_tx_desc *txd = &txq->tx_ring[i]; txd->cmd_type_offset_bsz = rte_cpu_to_le_64(ICE_TX_DESC_DTYPE_DESC_DONE); txe[i].mbuf = NULL; txe[i].last_id = i; txe[prev].next_id = i; prev = i; } txq->tx_next_dd = (uint16_t)(txq->tx_rs_thresh - 1); txq->tx_next_rs = (uint16_t)(txq->tx_rs_thresh - 1); txq->tx_tail = 0; txq->nb_tx_used = 0; txq->last_desc_cleaned = (uint16_t)(txq->nb_tx_desc - 1); txq->nb_tx_free = (uint16_t)(txq->nb_tx_desc - 1); } int ice_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id) { struct ice_tx_queue *txq; struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private); struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private); struct ice_vsi *vsi = pf->main_vsi; enum ice_status status; uint16_t q_ids[1]; uint32_t q_teids[1]; uint16_t q_handle = tx_queue_id; if (tx_queue_id >= dev->data->nb_tx_queues) { PMD_DRV_LOG(ERR, "TX queue %u is out of range %u", tx_queue_id, dev->data->nb_tx_queues); return -EINVAL; } txq = dev->data->tx_queues[tx_queue_id]; if (!txq) { PMD_DRV_LOG(ERR, "TX queue %u is not available", tx_queue_id); return -EINVAL; } q_ids[0] = txq->reg_idx; q_teids[0] = txq->q_teid; /* Fix me, we assume TC always 0 here */ status = ice_dis_vsi_txq(hw->port_info, vsi->idx, 0, 1, &q_handle, q_ids, q_teids, ICE_NO_RESET, 0, NULL); if (status != ICE_SUCCESS) { PMD_DRV_LOG(DEBUG, "Failed to disable Lan Tx queue"); return -EINVAL; } ice_tx_queue_release_mbufs(txq); ice_reset_tx_queue(txq); dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED; return 0; } int ice_fdir_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id) { struct ice_rx_queue *rxq; int err; struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private); struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private); rxq = pf->fdir.rxq; err = ice_switch_rx_queue(hw, rxq->reg_idx, FALSE); if (err) { PMD_DRV_LOG(ERR, "Failed to switch FDIR RX queue %u off", rx_queue_id); return -EINVAL; } ice_rx_queue_release_mbufs(rxq); return 0; } int ice_fdir_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id) { struct ice_tx_queue *txq; struct ice_hw *hw = ICE_DEV_PRIVATE_TO_HW(dev->data->dev_private); struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private); struct ice_vsi *vsi = pf->main_vsi; enum ice_status status; uint16_t q_ids[1]; uint32_t q_teids[1]; uint16_t q_handle = tx_queue_id; txq = pf->fdir.txq; if (!txq) { PMD_DRV_LOG(ERR, "TX queue %u is not available", tx_queue_id); return -EINVAL; } vsi = txq->vsi; q_ids[0] = txq->reg_idx; q_teids[0] = txq->q_teid; /* Fix me, we assume TC always 0 here */ status = ice_dis_vsi_txq(hw->port_info, vsi->idx, 0, 1, &q_handle, q_ids, q_teids, ICE_NO_RESET, 0, NULL); if (status != ICE_SUCCESS) { PMD_DRV_LOG(DEBUG, "Failed to disable Lan Tx queue"); return -EINVAL; } ice_tx_queue_release_mbufs(txq); return 0; } int ice_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, uint16_t nb_desc, unsigned int socket_id, const struct rte_eth_rxconf *rx_conf, struct rte_mempool *mp) { struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private); struct ice_adapter *ad = ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); struct ice_vsi *vsi = pf->main_vsi; struct ice_rx_queue *rxq; const struct rte_memzone *rz; uint32_t ring_size; uint16_t len; int use_def_burst_func = 1; if (nb_desc % ICE_ALIGN_RING_DESC != 0 || nb_desc > ICE_MAX_RING_DESC || nb_desc < ICE_MIN_RING_DESC) { PMD_INIT_LOG(ERR, "Number (%u) of receive descriptors is " "invalid", nb_desc); return -EINVAL; } /* Free memory if needed */ if (dev->data->rx_queues[queue_idx]) { ice_rx_queue_release(dev->data->rx_queues[queue_idx]); dev->data->rx_queues[queue_idx] = NULL; } /* Allocate the rx queue data structure */ rxq = rte_zmalloc_socket(NULL, sizeof(struct ice_rx_queue), RTE_CACHE_LINE_SIZE, socket_id); if (!rxq) { PMD_INIT_LOG(ERR, "Failed to allocate memory for " "rx queue data structure"); return -ENOMEM; } rxq->mp = mp; rxq->nb_rx_desc = nb_desc; rxq->rx_free_thresh = rx_conf->rx_free_thresh; rxq->queue_id = queue_idx; rxq->reg_idx = vsi->base_queue + queue_idx; rxq->port_id = dev->data->port_id; if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC) rxq->crc_len = RTE_ETHER_CRC_LEN; else rxq->crc_len = 0; rxq->drop_en = rx_conf->rx_drop_en; rxq->vsi = vsi; rxq->rx_deferred_start = rx_conf->rx_deferred_start; rxq->proto_xtr = pf->proto_xtr != NULL ? pf->proto_xtr[queue_idx] : PROTO_XTR_NONE; /* Allocate the maximun number of RX ring hardware descriptor. */ len = ICE_MAX_RING_DESC; #ifdef RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC /** * Allocating a little more memory because vectorized/bulk_alloc Rx * functions doesn't check boundaries each time. */ len += ICE_RX_MAX_BURST; #endif /* Allocate the maximum number of RX ring hardware descriptor. */ ring_size = sizeof(union ice_rx_flex_desc) * len; ring_size = RTE_ALIGN(ring_size, ICE_DMA_MEM_ALIGN); rz = rte_eth_dma_zone_reserve(dev, "rx_ring", queue_idx, ring_size, ICE_RING_BASE_ALIGN, socket_id); if (!rz) { ice_rx_queue_release(rxq); PMD_INIT_LOG(ERR, "Failed to reserve DMA memory for RX"); return -ENOMEM; } /* Zero all the descriptors in the ring. */ memset(rz->addr, 0, ring_size); rxq->rx_ring_dma = rz->iova; rxq->rx_ring = rz->addr; #ifdef RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC len = (uint16_t)(nb_desc + ICE_RX_MAX_BURST); #else len = nb_desc; #endif /* Allocate the software ring. */ rxq->sw_ring = rte_zmalloc_socket(NULL, sizeof(struct ice_rx_entry) * len, RTE_CACHE_LINE_SIZE, socket_id); if (!rxq->sw_ring) { ice_rx_queue_release(rxq); PMD_INIT_LOG(ERR, "Failed to allocate memory for SW ring"); return -ENOMEM; } ice_reset_rx_queue(rxq); rxq->q_set = TRUE; dev->data->rx_queues[queue_idx] = rxq; rxq->rx_rel_mbufs = _ice_rx_queue_release_mbufs; use_def_burst_func = ice_check_rx_burst_bulk_alloc_preconditions(rxq); if (!use_def_burst_func) { #ifdef RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are " "satisfied. Rx Burst Bulk Alloc function will be " "used on port=%d, queue=%d.", rxq->port_id, rxq->queue_id); #endif /* RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC */ } else { PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are " "not satisfied, Scattered Rx is requested, " "or RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC is " "not enabled on port=%d, queue=%d.", rxq->port_id, rxq->queue_id); ad->rx_bulk_alloc_allowed = false; } return 0; } void ice_rx_queue_release(void *rxq) { struct ice_rx_queue *q = (struct ice_rx_queue *)rxq; if (!q) { PMD_DRV_LOG(DEBUG, "Pointer to rxq is NULL"); return; } ice_rx_queue_release_mbufs(q); rte_free(q->sw_ring); rte_free(q); } int ice_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, uint16_t nb_desc, unsigned int socket_id, const struct rte_eth_txconf *tx_conf) { struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private); struct ice_vsi *vsi = pf->main_vsi; struct ice_tx_queue *txq; const struct rte_memzone *tz; uint32_t ring_size; uint16_t tx_rs_thresh, tx_free_thresh; uint64_t offloads; offloads = tx_conf->offloads | dev->data->dev_conf.txmode.offloads; if (nb_desc % ICE_ALIGN_RING_DESC != 0 || nb_desc > ICE_MAX_RING_DESC || nb_desc < ICE_MIN_RING_DESC) { PMD_INIT_LOG(ERR, "Number (%u) of transmit descriptors is " "invalid", nb_desc); return -EINVAL; } /** * The following two parameters control the setting of the RS bit on * transmit descriptors. TX descriptors will have their RS bit set * after txq->tx_rs_thresh descriptors have been used. The TX * descriptor ring will be cleaned after txq->tx_free_thresh * descriptors are used or if the number of descriptors required to * transmit a packet is greater than the number of free TX descriptors. * * The following constraints must be satisfied: * - tx_rs_thresh must be greater than 0. * - tx_rs_thresh must be less than the size of the ring minus 2. * - tx_rs_thresh must be less than or equal to tx_free_thresh. * - tx_rs_thresh must be a divisor of the ring size. * - tx_free_thresh must be greater than 0. * - tx_free_thresh must be less than the size of the ring minus 3. * - tx_free_thresh + tx_rs_thresh must not exceed nb_desc. * * One descriptor in the TX ring is used as a sentinel to avoid a H/W * race condition, hence the maximum threshold constraints. When set * to zero use default values. */ tx_free_thresh = (uint16_t)(tx_conf->tx_free_thresh ? tx_conf->tx_free_thresh : ICE_DEFAULT_TX_FREE_THRESH); /* force tx_rs_thresh to adapt an aggresive tx_free_thresh */ tx_rs_thresh = (ICE_DEFAULT_TX_RSBIT_THRESH + tx_free_thresh > nb_desc) ? nb_desc - tx_free_thresh : ICE_DEFAULT_TX_RSBIT_THRESH; if (tx_conf->tx_rs_thresh) tx_rs_thresh = tx_conf->tx_rs_thresh; if (tx_rs_thresh + tx_free_thresh > nb_desc) { PMD_INIT_LOG(ERR, "tx_rs_thresh + tx_free_thresh must not " "exceed nb_desc. (tx_rs_thresh=%u " "tx_free_thresh=%u nb_desc=%u port = %d queue=%d)", (unsigned int)tx_rs_thresh, (unsigned int)tx_free_thresh, (unsigned int)nb_desc, (int)dev->data->port_id, (int)queue_idx); return -EINVAL; } if (tx_rs_thresh >= (nb_desc - 2)) { PMD_INIT_LOG(ERR, "tx_rs_thresh must be less than the " "number of TX descriptors minus 2. " "(tx_rs_thresh=%u port=%d queue=%d)", (unsigned int)tx_rs_thresh, (int)dev->data->port_id, (int)queue_idx); return -EINVAL; } if (tx_free_thresh >= (nb_desc - 3)) { PMD_INIT_LOG(ERR, "tx_rs_thresh must be less than the " "tx_free_thresh must be less than the " "number of TX descriptors minus 3. " "(tx_free_thresh=%u port=%d queue=%d)", (unsigned int)tx_free_thresh, (int)dev->data->port_id, (int)queue_idx); return -EINVAL; } if (tx_rs_thresh > tx_free_thresh) { PMD_INIT_LOG(ERR, "tx_rs_thresh must be less than or " "equal to tx_free_thresh. (tx_free_thresh=%u" " tx_rs_thresh=%u port=%d queue=%d)", (unsigned int)tx_free_thresh, (unsigned int)tx_rs_thresh, (int)dev->data->port_id, (int)queue_idx); return -EINVAL; } if ((nb_desc % tx_rs_thresh) != 0) { PMD_INIT_LOG(ERR, "tx_rs_thresh must be a divisor of the " "number of TX descriptors. (tx_rs_thresh=%u" " port=%d queue=%d)", (unsigned int)tx_rs_thresh, (int)dev->data->port_id, (int)queue_idx); return -EINVAL; } if (tx_rs_thresh > 1 && tx_conf->tx_thresh.wthresh != 0) { PMD_INIT_LOG(ERR, "TX WTHRESH must be set to 0 if " "tx_rs_thresh is greater than 1. " "(tx_rs_thresh=%u port=%d queue=%d)", (unsigned int)tx_rs_thresh, (int)dev->data->port_id, (int)queue_idx); return -EINVAL; } /* Free memory if needed. */ if (dev->data->tx_queues[queue_idx]) { ice_tx_queue_release(dev->data->tx_queues[queue_idx]); dev->data->tx_queues[queue_idx] = NULL; } /* Allocate the TX queue data structure. */ txq = rte_zmalloc_socket(NULL, sizeof(struct ice_tx_queue), RTE_CACHE_LINE_SIZE, socket_id); if (!txq) { PMD_INIT_LOG(ERR, "Failed to allocate memory for " "tx queue structure"); return -ENOMEM; } /* Allocate TX hardware ring descriptors. */ ring_size = sizeof(struct ice_tx_desc) * ICE_MAX_RING_DESC; ring_size = RTE_ALIGN(ring_size, ICE_DMA_MEM_ALIGN); tz = rte_eth_dma_zone_reserve(dev, "tx_ring", queue_idx, ring_size, ICE_RING_BASE_ALIGN, socket_id); if (!tz) { ice_tx_queue_release(txq); PMD_INIT_LOG(ERR, "Failed to reserve DMA memory for TX"); return -ENOMEM; } txq->nb_tx_desc = nb_desc; txq->tx_rs_thresh = tx_rs_thresh; txq->tx_free_thresh = tx_free_thresh; txq->pthresh = tx_conf->tx_thresh.pthresh; txq->hthresh = tx_conf->tx_thresh.hthresh; txq->wthresh = tx_conf->tx_thresh.wthresh; txq->queue_id = queue_idx; txq->reg_idx = vsi->base_queue + queue_idx; txq->port_id = dev->data->port_id; txq->offloads = offloads; txq->vsi = vsi; txq->tx_deferred_start = tx_conf->tx_deferred_start; txq->tx_ring_dma = tz->iova; txq->tx_ring = tz->addr; /* Allocate software ring */ txq->sw_ring = rte_zmalloc_socket(NULL, sizeof(struct ice_tx_entry) * nb_desc, RTE_CACHE_LINE_SIZE, socket_id); if (!txq->sw_ring) { ice_tx_queue_release(txq); PMD_INIT_LOG(ERR, "Failed to allocate memory for SW TX ring"); return -ENOMEM; } ice_reset_tx_queue(txq); txq->q_set = TRUE; dev->data->tx_queues[queue_idx] = txq; txq->tx_rel_mbufs = _ice_tx_queue_release_mbufs; ice_set_tx_function_flag(dev, txq); return 0; } void ice_tx_queue_release(void *txq) { struct ice_tx_queue *q = (struct ice_tx_queue *)txq; if (!q) { PMD_DRV_LOG(DEBUG, "Pointer to TX queue is NULL"); return; } ice_tx_queue_release_mbufs(q); rte_free(q->sw_ring); rte_free(q); } void ice_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, struct rte_eth_rxq_info *qinfo) { struct ice_rx_queue *rxq; rxq = dev->data->rx_queues[queue_id]; qinfo->mp = rxq->mp; qinfo->scattered_rx = dev->data->scattered_rx; qinfo->nb_desc = rxq->nb_rx_desc; qinfo->conf.rx_free_thresh = rxq->rx_free_thresh; qinfo->conf.rx_drop_en = rxq->drop_en; qinfo->conf.rx_deferred_start = rxq->rx_deferred_start; } void ice_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, struct rte_eth_txq_info *qinfo) { struct ice_tx_queue *txq; txq = dev->data->tx_queues[queue_id]; qinfo->nb_desc = txq->nb_tx_desc; qinfo->conf.tx_thresh.pthresh = txq->pthresh; qinfo->conf.tx_thresh.hthresh = txq->hthresh; qinfo->conf.tx_thresh.wthresh = txq->wthresh; qinfo->conf.tx_free_thresh = txq->tx_free_thresh; qinfo->conf.tx_rs_thresh = txq->tx_rs_thresh; qinfo->conf.offloads = txq->offloads; qinfo->conf.tx_deferred_start = txq->tx_deferred_start; } uint32_t ice_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) { #define ICE_RXQ_SCAN_INTERVAL 4 volatile union ice_rx_flex_desc *rxdp; struct ice_rx_queue *rxq; uint16_t desc = 0; rxq = dev->data->rx_queues[rx_queue_id]; rxdp = &rxq->rx_ring[rxq->rx_tail]; while ((desc < rxq->nb_rx_desc) && rte_le_to_cpu_16(rxdp->wb.status_error0) & (1 << ICE_RX_FLEX_DESC_STATUS0_DD_S)) { /** * Check the DD bit of a rx descriptor of each 4 in a group, * to avoid checking too frequently and downgrading performance * too much. */ desc += ICE_RXQ_SCAN_INTERVAL; rxdp += ICE_RXQ_SCAN_INTERVAL; if (rxq->rx_tail + desc >= rxq->nb_rx_desc) rxdp = &(rxq->rx_ring[rxq->rx_tail + desc - rxq->nb_rx_desc]); } return desc; } #define ICE_RX_FLEX_ERR0_BITS \ ((1 << ICE_RX_FLEX_DESC_STATUS0_HBO_S) | \ (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_IPE_S) | \ (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_L4E_S) | \ (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S) | \ (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_EUDPE_S) | \ (1 << ICE_RX_FLEX_DESC_STATUS0_RXE_S)) /* Rx L3/L4 checksum */ static inline uint64_t ice_rxd_error_to_pkt_flags(uint16_t stat_err0) { uint64_t flags = 0; /* check if HW has decoded the packet and checksum */ if (unlikely(!(stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_L3L4P_S)))) return 0; if (likely(!(stat_err0 & ICE_RX_FLEX_ERR0_BITS))) { flags |= (PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD); return flags; } if (unlikely(stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_IPE_S))) flags |= PKT_RX_IP_CKSUM_BAD; else flags |= PKT_RX_IP_CKSUM_GOOD; if (unlikely(stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_L4E_S))) flags |= PKT_RX_L4_CKSUM_BAD; else flags |= PKT_RX_L4_CKSUM_GOOD; if (unlikely(stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S))) flags |= PKT_RX_EIP_CKSUM_BAD; return flags; } static inline void ice_rxd_to_vlan_tci(struct rte_mbuf *mb, volatile union ice_rx_flex_desc *rxdp) { if (rte_le_to_cpu_16(rxdp->wb.status_error0) & (1 << ICE_RX_FLEX_DESC_STATUS0_L2TAG1P_S)) { mb->ol_flags |= PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED; mb->vlan_tci = rte_le_to_cpu_16(rxdp->wb.l2tag1); PMD_RX_LOG(DEBUG, "Descriptor l2tag1: %u", rte_le_to_cpu_16(rxdp->wb.l2tag1)); } else { mb->vlan_tci = 0; } #ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC if (rte_le_to_cpu_16(rxdp->wb.status_error1) & (1 << ICE_RX_FLEX_DESC_STATUS1_L2TAG2P_S)) { mb->ol_flags |= PKT_RX_QINQ_STRIPPED | PKT_RX_QINQ | PKT_RX_VLAN_STRIPPED | PKT_RX_VLAN; mb->vlan_tci_outer = mb->vlan_tci; mb->vlan_tci = rte_le_to_cpu_16(rxdp->wb.l2tag2_2nd); PMD_RX_LOG(DEBUG, "Descriptor l2tag2_1: %u, l2tag2_2: %u", rte_le_to_cpu_16(rxdp->wb.l2tag2_1st), rte_le_to_cpu_16(rxdp->wb.l2tag2_2nd)); } else { mb->vlan_tci_outer = 0; } #endif PMD_RX_LOG(DEBUG, "Mbuf vlan_tci: %u, vlan_tci_outer: %u", mb->vlan_tci, mb->vlan_tci_outer); } #ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC #define ICE_RX_PROTO_XTR_VALID \ ((1 << ICE_RX_FLEX_DESC_STATUS1_XTRMD4_VALID_S) | \ (1 << ICE_RX_FLEX_DESC_STATUS1_XTRMD5_VALID_S)) static void ice_rxd_to_proto_xtr(struct rte_mbuf *mb, volatile struct ice_32b_rx_flex_desc_comms *desc) { uint16_t stat_err = rte_le_to_cpu_16(desc->status_error1); uint32_t metadata; uint64_t ol_flag; if (unlikely(!(stat_err & ICE_RX_PROTO_XTR_VALID))) return; ol_flag = ice_rxdid_to_proto_xtr_ol_flag(desc->rxdid); if (unlikely(!ol_flag)) return; mb->ol_flags |= ol_flag; metadata = stat_err & (1 << ICE_RX_FLEX_DESC_STATUS1_XTRMD4_VALID_S) ? rte_le_to_cpu_16(desc->flex_ts.flex.aux0) : 0; if (likely(stat_err & (1 << ICE_RX_FLEX_DESC_STATUS1_XTRMD5_VALID_S))) metadata |= rte_le_to_cpu_16(desc->flex_ts.flex.aux1) << 16; *RTE_NET_ICE_DYNF_PROTO_XTR_METADATA(mb) = metadata; } #endif static inline void ice_rxd_to_pkt_fields(struct rte_mbuf *mb, volatile union ice_rx_flex_desc *rxdp) { volatile struct ice_32b_rx_flex_desc_comms *desc = (volatile struct ice_32b_rx_flex_desc_comms *)rxdp; uint16_t stat_err; stat_err = rte_le_to_cpu_16(desc->status_error0); if (likely(stat_err & (1 << ICE_RX_FLEX_DESC_STATUS0_RSS_VALID_S))) { mb->ol_flags |= PKT_RX_RSS_HASH; mb->hash.rss = rte_le_to_cpu_32(desc->rss_hash); } #ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC if (desc->flow_id != 0xFFFFFFFF) { mb->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID; mb->hash.fdir.hi = rte_le_to_cpu_32(desc->flow_id); } if (unlikely(rte_net_ice_dynf_proto_xtr_metadata_avail())) ice_rxd_to_proto_xtr(mb, desc); #endif } #ifdef RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC #define ICE_LOOK_AHEAD 8 #if (ICE_LOOK_AHEAD != 8) #error "PMD ICE: ICE_LOOK_AHEAD must be 8\n" #endif static inline int ice_rx_scan_hw_ring(struct ice_rx_queue *rxq) { volatile union ice_rx_flex_desc *rxdp; struct ice_rx_entry *rxep; struct rte_mbuf *mb; uint16_t stat_err0; uint16_t pkt_len; int32_t s[ICE_LOOK_AHEAD], nb_dd; int32_t i, j, nb_rx = 0; uint64_t pkt_flags = 0; uint32_t *ptype_tbl = rxq->vsi->adapter->ptype_tbl; rxdp = &rxq->rx_ring[rxq->rx_tail]; rxep = &rxq->sw_ring[rxq->rx_tail]; stat_err0 = rte_le_to_cpu_16(rxdp->wb.status_error0); /* Make sure there is at least 1 packet to receive */ if (!(stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_DD_S))) return 0; /** * Scan LOOK_AHEAD descriptors at a time to determine which * descriptors reference packets that are ready to be received. */ for (i = 0; i < ICE_RX_MAX_BURST; i += ICE_LOOK_AHEAD, rxdp += ICE_LOOK_AHEAD, rxep += ICE_LOOK_AHEAD) { /* Read desc statuses backwards to avoid race condition */ for (j = ICE_LOOK_AHEAD - 1; j >= 0; j--) s[j] = rte_le_to_cpu_16(rxdp[j].wb.status_error0); rte_smp_rmb(); /* Compute how many status bits were set */ for (j = 0, nb_dd = 0; j < ICE_LOOK_AHEAD; j++) nb_dd += s[j] & (1 << ICE_RX_FLEX_DESC_STATUS0_DD_S); nb_rx += nb_dd; /* Translate descriptor info to mbuf parameters */ for (j = 0; j < nb_dd; j++) { mb = rxep[j].mbuf; pkt_len = (rte_le_to_cpu_16(rxdp[j].wb.pkt_len) & ICE_RX_FLX_DESC_PKT_LEN_M) - rxq->crc_len; mb->data_len = pkt_len; mb->pkt_len = pkt_len; mb->ol_flags = 0; stat_err0 = rte_le_to_cpu_16(rxdp[j].wb.status_error0); pkt_flags = ice_rxd_error_to_pkt_flags(stat_err0); mb->packet_type = ptype_tbl[ICE_RX_FLEX_DESC_PTYPE_M & rte_le_to_cpu_16(rxdp[j].wb.ptype_flex_flags0)]; ice_rxd_to_vlan_tci(mb, &rxdp[j]); ice_rxd_to_pkt_fields(mb, &rxdp[j]); mb->ol_flags |= pkt_flags; } for (j = 0; j < ICE_LOOK_AHEAD; j++) rxq->rx_stage[i + j] = rxep[j].mbuf; if (nb_dd != ICE_LOOK_AHEAD) break; } /* Clear software ring entries */ for (i = 0; i < nb_rx; i++) rxq->sw_ring[rxq->rx_tail + i].mbuf = NULL; PMD_RX_LOG(DEBUG, "ice_rx_scan_hw_ring: " "port_id=%u, queue_id=%u, nb_rx=%d", rxq->port_id, rxq->queue_id, nb_rx); return nb_rx; } static inline uint16_t ice_rx_fill_from_stage(struct ice_rx_queue *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) { uint16_t i; struct rte_mbuf **stage = &rxq->rx_stage[rxq->rx_next_avail]; nb_pkts = (uint16_t)RTE_MIN(nb_pkts, rxq->rx_nb_avail); for (i = 0; i < nb_pkts; i++) rx_pkts[i] = stage[i]; rxq->rx_nb_avail = (uint16_t)(rxq->rx_nb_avail - nb_pkts); rxq->rx_next_avail = (uint16_t)(rxq->rx_next_avail + nb_pkts); return nb_pkts; } static inline int ice_rx_alloc_bufs(struct ice_rx_queue *rxq) { volatile union ice_rx_flex_desc *rxdp; struct ice_rx_entry *rxep; struct rte_mbuf *mb; uint16_t alloc_idx, i; uint64_t dma_addr; int diag; /* Allocate buffers in bulk */ alloc_idx = (uint16_t)(rxq->rx_free_trigger - (rxq->rx_free_thresh - 1)); rxep = &rxq->sw_ring[alloc_idx]; diag = rte_mempool_get_bulk(rxq->mp, (void *)rxep, rxq->rx_free_thresh); if (unlikely(diag != 0)) { PMD_RX_LOG(ERR, "Failed to get mbufs in bulk"); return -ENOMEM; } rxdp = &rxq->rx_ring[alloc_idx]; for (i = 0; i < rxq->rx_free_thresh; i++) { if (likely(i < (rxq->rx_free_thresh - 1))) /* Prefetch next mbuf */ rte_prefetch0(rxep[i + 1].mbuf); mb = rxep[i].mbuf; rte_mbuf_refcnt_set(mb, 1); mb->next = NULL; mb->data_off = RTE_PKTMBUF_HEADROOM; mb->nb_segs = 1; mb->port = rxq->port_id; dma_addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mb)); rxdp[i].read.hdr_addr = 0; rxdp[i].read.pkt_addr = dma_addr; } /* Update rx tail regsiter */ ICE_PCI_REG_WRITE(rxq->qrx_tail, rxq->rx_free_trigger); rxq->rx_free_trigger = (uint16_t)(rxq->rx_free_trigger + rxq->rx_free_thresh); if (rxq->rx_free_trigger >= rxq->nb_rx_desc) rxq->rx_free_trigger = (uint16_t)(rxq->rx_free_thresh - 1); return 0; } static inline uint16_t rx_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) { struct ice_rx_queue *rxq = (struct ice_rx_queue *)rx_queue; uint16_t nb_rx = 0; struct rte_eth_dev *dev; if (!nb_pkts) return 0; if (rxq->rx_nb_avail) return ice_rx_fill_from_stage(rxq, rx_pkts, nb_pkts); nb_rx = (uint16_t)ice_rx_scan_hw_ring(rxq); rxq->rx_next_avail = 0; rxq->rx_nb_avail = nb_rx; rxq->rx_tail = (uint16_t)(rxq->rx_tail + nb_rx); if (rxq->rx_tail > rxq->rx_free_trigger) { if (ice_rx_alloc_bufs(rxq) != 0) { uint16_t i, j; dev = ICE_VSI_TO_ETH_DEV(rxq->vsi); dev->data->rx_mbuf_alloc_failed += rxq->rx_free_thresh; PMD_RX_LOG(DEBUG, "Rx mbuf alloc failed for " "port_id=%u, queue_id=%u", rxq->port_id, rxq->queue_id); rxq->rx_nb_avail = 0; rxq->rx_tail = (uint16_t)(rxq->rx_tail - nb_rx); for (i = 0, j = rxq->rx_tail; i < nb_rx; i++, j++) rxq->sw_ring[j].mbuf = rxq->rx_stage[i]; return 0; } } if (rxq->rx_tail >= rxq->nb_rx_desc) rxq->rx_tail = 0; if (rxq->rx_nb_avail) return ice_rx_fill_from_stage(rxq, rx_pkts, nb_pkts); return 0; } static uint16_t ice_recv_pkts_bulk_alloc(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) { uint16_t nb_rx = 0; uint16_t n; uint16_t count; if (unlikely(nb_pkts == 0)) return nb_rx; if (likely(nb_pkts <= ICE_RX_MAX_BURST)) return rx_recv_pkts(rx_queue, rx_pkts, nb_pkts); while (nb_pkts) { n = RTE_MIN(nb_pkts, ICE_RX_MAX_BURST); count = rx_recv_pkts(rx_queue, &rx_pkts[nb_rx], n); nb_rx = (uint16_t)(nb_rx + count); nb_pkts = (uint16_t)(nb_pkts - count); if (count < n) break; } return nb_rx; } #else static uint16_t ice_recv_pkts_bulk_alloc(void __rte_unused *rx_queue, struct rte_mbuf __rte_unused **rx_pkts, uint16_t __rte_unused nb_pkts) { return 0; } #endif /* RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC */ static uint16_t ice_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) { struct ice_rx_queue *rxq = rx_queue; volatile union ice_rx_flex_desc *rx_ring = rxq->rx_ring; volatile union ice_rx_flex_desc *rxdp; union ice_rx_flex_desc rxd; struct ice_rx_entry *sw_ring = rxq->sw_ring; struct ice_rx_entry *rxe; struct rte_mbuf *first_seg = rxq->pkt_first_seg; struct rte_mbuf *last_seg = rxq->pkt_last_seg; struct rte_mbuf *nmb; /* new allocated mbuf */ struct rte_mbuf *rxm; /* pointer to store old mbuf in SW ring */ uint16_t rx_id = rxq->rx_tail; uint16_t nb_rx = 0; uint16_t nb_hold = 0; uint16_t rx_packet_len; uint16_t rx_stat_err0; uint64_t dma_addr; uint64_t pkt_flags; uint32_t *ptype_tbl = rxq->vsi->adapter->ptype_tbl; struct rte_eth_dev *dev; while (nb_rx < nb_pkts) { rxdp = &rx_ring[rx_id]; rx_stat_err0 = rte_le_to_cpu_16(rxdp->wb.status_error0); /* Check the DD bit first */ if (!(rx_stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_DD_S))) break; /* allocate mbuf */ nmb = rte_mbuf_raw_alloc(rxq->mp); if (unlikely(!nmb)) { dev = ICE_VSI_TO_ETH_DEV(rxq->vsi); dev->data->rx_mbuf_alloc_failed++; break; } rxd = *rxdp; /* copy descriptor in ring to temp variable*/ nb_hold++; rxe = &sw_ring[rx_id]; /* get corresponding mbuf in SW ring */ rx_id++; if (unlikely(rx_id == rxq->nb_rx_desc)) rx_id = 0; /* Prefetch next mbuf */ rte_prefetch0(sw_ring[rx_id].mbuf); /** * When next RX descriptor is on a cache line boundary, * prefetch the next 4 RX descriptors and next 8 pointers * to mbufs. */ if ((rx_id & 0x3) == 0) { rte_prefetch0(&rx_ring[rx_id]); rte_prefetch0(&sw_ring[rx_id]); } rxm = rxe->mbuf; rxe->mbuf = nmb; dma_addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(nmb)); /* Set data buffer address and data length of the mbuf */ rxdp->read.hdr_addr = 0; rxdp->read.pkt_addr = dma_addr; rx_packet_len = rte_le_to_cpu_16(rxd.wb.pkt_len) & ICE_RX_FLX_DESC_PKT_LEN_M; rxm->data_len = rx_packet_len; rxm->data_off = RTE_PKTMBUF_HEADROOM; /** * If this is the first buffer of the received packet, set the * pointer to the first mbuf of the packet and initialize its * context. Otherwise, update the total length and the number * of segments of the current scattered packet, and update the * pointer to the last mbuf of the current packet. */ if (!first_seg) { first_seg = rxm; first_seg->nb_segs = 1; first_seg->pkt_len = rx_packet_len; } else { first_seg->pkt_len = (uint16_t)(first_seg->pkt_len + rx_packet_len); first_seg->nb_segs++; last_seg->next = rxm; } /** * If this is not the last buffer of the received packet, * update the pointer to the last mbuf of the current scattered * packet and continue to parse the RX ring. */ if (!(rx_stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_EOF_S))) { last_seg = rxm; continue; } /** * This is the last buffer of the received packet. If the CRC * is not stripped by the hardware: * - Subtract the CRC length from the total packet length. * - If the last buffer only contains the whole CRC or a part * of it, free the mbuf associated to the last buffer. If part * of the CRC is also contained in the previous mbuf, subtract * the length of that CRC part from the data length of the * previous mbuf. */ rxm->next = NULL; if (unlikely(rxq->crc_len > 0)) { first_seg->pkt_len -= RTE_ETHER_CRC_LEN; if (rx_packet_len <= RTE_ETHER_CRC_LEN) { rte_pktmbuf_free_seg(rxm); first_seg->nb_segs--; last_seg->data_len = (uint16_t)(last_seg->data_len - (RTE_ETHER_CRC_LEN - rx_packet_len)); last_seg->next = NULL; } else rxm->data_len = (uint16_t)(rx_packet_len - RTE_ETHER_CRC_LEN); } first_seg->port = rxq->port_id; first_seg->ol_flags = 0; first_seg->packet_type = ptype_tbl[ICE_RX_FLEX_DESC_PTYPE_M & rte_le_to_cpu_16(rxd.wb.ptype_flex_flags0)]; ice_rxd_to_vlan_tci(first_seg, &rxd); ice_rxd_to_pkt_fields(first_seg, &rxd); pkt_flags = ice_rxd_error_to_pkt_flags(rx_stat_err0); first_seg->ol_flags |= pkt_flags; /* Prefetch data of first segment, if configured to do so. */ rte_prefetch0(RTE_PTR_ADD(first_seg->buf_addr, first_seg->data_off)); rx_pkts[nb_rx++] = first_seg; first_seg = NULL; } /* Record index of the next RX descriptor to probe. */ rxq->rx_tail = rx_id; rxq->pkt_first_seg = first_seg; rxq->pkt_last_seg = last_seg; /** * If the number of free RX descriptors is greater than the RX free * threshold of the queue, advance the Receive Descriptor Tail (RDT) * register. Update the RDT with the value of the last processed RX * descriptor minus 1, to guarantee that the RDT register is never * equal to the RDH register, which creates a "full" ring situtation * from the hardware point of view. */ nb_hold = (uint16_t)(nb_hold + rxq->nb_rx_hold); if (nb_hold > rxq->rx_free_thresh) { rx_id = (uint16_t)(rx_id == 0 ? (rxq->nb_rx_desc - 1) : (rx_id - 1)); /* write TAIL register */ ICE_PCI_REG_WRITE(rxq->qrx_tail, rx_id); nb_hold = 0; } rxq->nb_rx_hold = nb_hold; /* return received packet in the burst */ return nb_rx; } const uint32_t * ice_dev_supported_ptypes_get(struct rte_eth_dev *dev) { struct ice_adapter *ad = ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); const uint32_t *ptypes; static const uint32_t ptypes_os[] = { /* refers to ice_get_default_pkt_type() */ RTE_PTYPE_L2_ETHER, RTE_PTYPE_L2_ETHER_TIMESYNC, RTE_PTYPE_L2_ETHER_LLDP, RTE_PTYPE_L2_ETHER_ARP, RTE_PTYPE_L3_IPV4_EXT_UNKNOWN, RTE_PTYPE_L3_IPV6_EXT_UNKNOWN, RTE_PTYPE_L4_FRAG, RTE_PTYPE_L4_ICMP, RTE_PTYPE_L4_NONFRAG, RTE_PTYPE_L4_SCTP, RTE_PTYPE_L4_TCP, RTE_PTYPE_L4_UDP, RTE_PTYPE_TUNNEL_GRENAT, RTE_PTYPE_TUNNEL_IP, RTE_PTYPE_INNER_L2_ETHER, RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN, RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN, RTE_PTYPE_INNER_L4_FRAG, RTE_PTYPE_INNER_L4_ICMP, RTE_PTYPE_INNER_L4_NONFRAG, RTE_PTYPE_INNER_L4_SCTP, RTE_PTYPE_INNER_L4_TCP, RTE_PTYPE_INNER_L4_UDP, RTE_PTYPE_UNKNOWN }; static const uint32_t ptypes_comms[] = { /* refers to ice_get_default_pkt_type() */ RTE_PTYPE_L2_ETHER, RTE_PTYPE_L2_ETHER_TIMESYNC, RTE_PTYPE_L2_ETHER_LLDP, RTE_PTYPE_L2_ETHER_ARP, RTE_PTYPE_L3_IPV4_EXT_UNKNOWN, RTE_PTYPE_L3_IPV6_EXT_UNKNOWN, RTE_PTYPE_L4_FRAG, RTE_PTYPE_L4_ICMP, RTE_PTYPE_L4_NONFRAG, RTE_PTYPE_L4_SCTP, RTE_PTYPE_L4_TCP, RTE_PTYPE_L4_UDP, RTE_PTYPE_TUNNEL_GRENAT, RTE_PTYPE_TUNNEL_IP, RTE_PTYPE_INNER_L2_ETHER, RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN, RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN, RTE_PTYPE_INNER_L4_FRAG, RTE_PTYPE_INNER_L4_ICMP, RTE_PTYPE_INNER_L4_NONFRAG, RTE_PTYPE_INNER_L4_SCTP, RTE_PTYPE_INNER_L4_TCP, RTE_PTYPE_INNER_L4_UDP, RTE_PTYPE_TUNNEL_GTPC, RTE_PTYPE_TUNNEL_GTPU, RTE_PTYPE_L2_ETHER_PPPOE, RTE_PTYPE_UNKNOWN }; if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS) ptypes = ptypes_comms; else ptypes = ptypes_os; if (dev->rx_pkt_burst == ice_recv_pkts || #ifdef RTE_LIBRTE_ICE_RX_ALLOW_BULK_ALLOC dev->rx_pkt_burst == ice_recv_pkts_bulk_alloc || #endif dev->rx_pkt_burst == ice_recv_scattered_pkts) return ptypes; #ifdef RTE_ARCH_X86 if (dev->rx_pkt_burst == ice_recv_pkts_vec || dev->rx_pkt_burst == ice_recv_scattered_pkts_vec || dev->rx_pkt_burst == ice_recv_pkts_vec_avx2 || dev->rx_pkt_burst == ice_recv_scattered_pkts_vec_avx2) return ptypes; #endif return NULL; } int ice_rx_descriptor_status(void *rx_queue, uint16_t offset) { volatile union ice_rx_flex_desc *rxdp; struct ice_rx_queue *rxq = rx_queue; uint32_t desc; if (unlikely(offset >= rxq->nb_rx_desc)) return -EINVAL; if (offset >= rxq->nb_rx_desc - rxq->nb_rx_hold) return RTE_ETH_RX_DESC_UNAVAIL; desc = rxq->rx_tail + offset; if (desc >= rxq->nb_rx_desc) desc -= rxq->nb_rx_desc; rxdp = &rxq->rx_ring[desc]; if (rte_le_to_cpu_16(rxdp->wb.status_error0) & (1 << ICE_RX_FLEX_DESC_STATUS0_DD_S)) return RTE_ETH_RX_DESC_DONE; return RTE_ETH_RX_DESC_AVAIL; } int ice_tx_descriptor_status(void *tx_queue, uint16_t offset) { struct ice_tx_queue *txq = tx_queue; volatile uint64_t *status; uint64_t mask, expect; uint32_t desc; if (unlikely(offset >= txq->nb_tx_desc)) return -EINVAL; desc = txq->tx_tail + offset; /* go to next desc that has the RS bit */ desc = ((desc + txq->tx_rs_thresh - 1) / txq->tx_rs_thresh) * txq->tx_rs_thresh; if (desc >= txq->nb_tx_desc) { desc -= txq->nb_tx_desc; if (desc >= txq->nb_tx_desc) desc -= txq->nb_tx_desc; } status = &txq->tx_ring[desc].cmd_type_offset_bsz; mask = rte_cpu_to_le_64(ICE_TXD_QW1_DTYPE_M); expect = rte_cpu_to_le_64(ICE_TX_DESC_DTYPE_DESC_DONE << ICE_TXD_QW1_DTYPE_S); if ((*status & mask) == expect) return RTE_ETH_TX_DESC_DONE; return RTE_ETH_TX_DESC_FULL; } void ice_clear_queues(struct rte_eth_dev *dev) { uint16_t i; PMD_INIT_FUNC_TRACE(); for (i = 0; i < dev->data->nb_tx_queues; i++) { ice_tx_queue_release_mbufs(dev->data->tx_queues[i]); ice_reset_tx_queue(dev->data->tx_queues[i]); } for (i = 0; i < dev->data->nb_rx_queues; i++) { ice_rx_queue_release_mbufs(dev->data->rx_queues[i]); ice_reset_rx_queue(dev->data->rx_queues[i]); } } void ice_free_queues(struct rte_eth_dev *dev) { uint16_t i; PMD_INIT_FUNC_TRACE(); for (i = 0; i < dev->data->nb_rx_queues; i++) { if (!dev->data->rx_queues[i]) continue; ice_rx_queue_release(dev->data->rx_queues[i]); dev->data->rx_queues[i] = NULL; } dev->data->nb_rx_queues = 0; for (i = 0; i < dev->data->nb_tx_queues; i++) { if (!dev->data->tx_queues[i]) continue; ice_tx_queue_release(dev->data->tx_queues[i]); dev->data->tx_queues[i] = NULL; } dev->data->nb_tx_queues = 0; } #define ICE_FDIR_NUM_TX_DESC ICE_MIN_RING_DESC #define ICE_FDIR_NUM_RX_DESC ICE_MIN_RING_DESC int ice_fdir_setup_tx_resources(struct ice_pf *pf) { struct ice_tx_queue *txq; const struct rte_memzone *tz = NULL; uint32_t ring_size; struct rte_eth_dev *dev; if (!pf) { PMD_DRV_LOG(ERR, "PF is not available"); return -EINVAL; } dev = pf->adapter->eth_dev; /* Allocate the TX queue data structure. */ txq = rte_zmalloc_socket("ice fdir tx queue", sizeof(struct ice_tx_queue), RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY); if (!txq) { PMD_DRV_LOG(ERR, "Failed to allocate memory for " "tx queue structure."); return -ENOMEM; } /* Allocate TX hardware ring descriptors. */ ring_size = sizeof(struct ice_tx_desc) * ICE_FDIR_NUM_TX_DESC; ring_size = RTE_ALIGN(ring_size, ICE_DMA_MEM_ALIGN); tz = rte_eth_dma_zone_reserve(dev, "fdir_tx_ring", ICE_FDIR_QUEUE_ID, ring_size, ICE_RING_BASE_ALIGN, SOCKET_ID_ANY); if (!tz) { ice_tx_queue_release(txq); PMD_DRV_LOG(ERR, "Failed to reserve DMA memory for TX."); return -ENOMEM; } txq->nb_tx_desc = ICE_FDIR_NUM_TX_DESC; txq->queue_id = ICE_FDIR_QUEUE_ID; txq->reg_idx = pf->fdir.fdir_vsi->base_queue; txq->vsi = pf->fdir.fdir_vsi; txq->tx_ring_dma = tz->iova; txq->tx_ring = (struct ice_tx_desc *)tz->addr; /* * don't need to allocate software ring and reset for the fdir * program queue just set the queue has been configured. */ txq->q_set = TRUE; pf->fdir.txq = txq; txq->tx_rel_mbufs = _ice_tx_queue_release_mbufs; return ICE_SUCCESS; } int ice_fdir_setup_rx_resources(struct ice_pf *pf) { struct ice_rx_queue *rxq; const struct rte_memzone *rz = NULL; uint32_t ring_size; struct rte_eth_dev *dev; if (!pf) { PMD_DRV_LOG(ERR, "PF is not available"); return -EINVAL; } dev = pf->adapter->eth_dev; /* Allocate the RX queue data structure. */ rxq = rte_zmalloc_socket("ice fdir rx queue", sizeof(struct ice_rx_queue), RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY); if (!rxq) { PMD_DRV_LOG(ERR, "Failed to allocate memory for " "rx queue structure."); return -ENOMEM; } /* Allocate RX hardware ring descriptors. */ ring_size = sizeof(union ice_32byte_rx_desc) * ICE_FDIR_NUM_RX_DESC; ring_size = RTE_ALIGN(ring_size, ICE_DMA_MEM_ALIGN); rz = rte_eth_dma_zone_reserve(dev, "fdir_rx_ring", ICE_FDIR_QUEUE_ID, ring_size, ICE_RING_BASE_ALIGN, SOCKET_ID_ANY); if (!rz) { ice_rx_queue_release(rxq); PMD_DRV_LOG(ERR, "Failed to reserve DMA memory for RX."); return -ENOMEM; } rxq->nb_rx_desc = ICE_FDIR_NUM_RX_DESC; rxq->queue_id = ICE_FDIR_QUEUE_ID; rxq->reg_idx = pf->fdir.fdir_vsi->base_queue; rxq->vsi = pf->fdir.fdir_vsi; rxq->rx_ring_dma = rz->iova; memset(rz->addr, 0, ICE_FDIR_NUM_RX_DESC * sizeof(union ice_32byte_rx_desc)); rxq->rx_ring = (union ice_rx_flex_desc *)rz->addr; /* * Don't need to allocate software ring and reset for the fdir * rx queue, just set the queue has been configured. */ rxq->q_set = TRUE; pf->fdir.rxq = rxq; rxq->rx_rel_mbufs = _ice_rx_queue_release_mbufs; return ICE_SUCCESS; } uint16_t ice_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) { struct ice_rx_queue *rxq = rx_queue; volatile union ice_rx_flex_desc *rx_ring = rxq->rx_ring; volatile union ice_rx_flex_desc *rxdp; union ice_rx_flex_desc rxd; struct ice_rx_entry *sw_ring = rxq->sw_ring; struct ice_rx_entry *rxe; struct rte_mbuf *nmb; /* new allocated mbuf */ struct rte_mbuf *rxm; /* pointer to store old mbuf in SW ring */ uint16_t rx_id = rxq->rx_tail; uint16_t nb_rx = 0; uint16_t nb_hold = 0; uint16_t rx_packet_len; uint16_t rx_stat_err0; uint64_t dma_addr; uint64_t pkt_flags; uint32_t *ptype_tbl = rxq->vsi->adapter->ptype_tbl; struct rte_eth_dev *dev; while (nb_rx < nb_pkts) { rxdp = &rx_ring[rx_id]; rx_stat_err0 = rte_le_to_cpu_16(rxdp->wb.status_error0); /* Check the DD bit first */ if (!(rx_stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_DD_S))) break; /* allocate mbuf */ nmb = rte_mbuf_raw_alloc(rxq->mp); if (unlikely(!nmb)) { dev = ICE_VSI_TO_ETH_DEV(rxq->vsi); dev->data->rx_mbuf_alloc_failed++; break; } rxd = *rxdp; /* copy descriptor in ring to temp variable*/ nb_hold++; rxe = &sw_ring[rx_id]; /* get corresponding mbuf in SW ring */ rx_id++; if (unlikely(rx_id == rxq->nb_rx_desc)) rx_id = 0; rxm = rxe->mbuf; rxe->mbuf = nmb; dma_addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(nmb)); /** * fill the read format of descriptor with physic address in * new allocated mbuf: nmb */ rxdp->read.hdr_addr = 0; rxdp->read.pkt_addr = dma_addr; /* calculate rx_packet_len of the received pkt */ rx_packet_len = (rte_le_to_cpu_16(rxd.wb.pkt_len) & ICE_RX_FLX_DESC_PKT_LEN_M) - rxq->crc_len; /* fill old mbuf with received descriptor: rxd */ rxm->data_off = RTE_PKTMBUF_HEADROOM; rte_prefetch0(RTE_PTR_ADD(rxm->buf_addr, RTE_PKTMBUF_HEADROOM)); rxm->nb_segs = 1; rxm->next = NULL; rxm->pkt_len = rx_packet_len; rxm->data_len = rx_packet_len; rxm->port = rxq->port_id; rxm->packet_type = ptype_tbl[ICE_RX_FLEX_DESC_PTYPE_M & rte_le_to_cpu_16(rxd.wb.ptype_flex_flags0)]; ice_rxd_to_vlan_tci(rxm, &rxd); ice_rxd_to_pkt_fields(rxm, &rxd); pkt_flags = ice_rxd_error_to_pkt_flags(rx_stat_err0); rxm->ol_flags |= pkt_flags; /* copy old mbuf to rx_pkts */ rx_pkts[nb_rx++] = rxm; } rxq->rx_tail = rx_id; /** * If the number of free RX descriptors is greater than the RX free * threshold of the queue, advance the receive tail register of queue. * Update that register with the value of the last processed RX * descriptor minus 1. */ nb_hold = (uint16_t)(nb_hold + rxq->nb_rx_hold); if (nb_hold > rxq->rx_free_thresh) { rx_id = (uint16_t)(rx_id == 0 ? (rxq->nb_rx_desc - 1) : (rx_id - 1)); /* write TAIL register */ ICE_PCI_REG_WRITE(rxq->qrx_tail, rx_id); nb_hold = 0; } rxq->nb_rx_hold = nb_hold; /* return received packet in the burst */ return nb_rx; } static inline void ice_parse_tunneling_params(uint64_t ol_flags, union ice_tx_offload tx_offload, uint32_t *cd_tunneling) { /* EIPT: External (outer) IP header type */ if (ol_flags & PKT_TX_OUTER_IP_CKSUM) *cd_tunneling |= ICE_TX_CTX_EIPT_IPV4; else if (ol_flags & PKT_TX_OUTER_IPV4) *cd_tunneling |= ICE_TX_CTX_EIPT_IPV4_NO_CSUM; else if (ol_flags & PKT_TX_OUTER_IPV6) *cd_tunneling |= ICE_TX_CTX_EIPT_IPV6; /* EIPLEN: External (outer) IP header length, in DWords */ *cd_tunneling |= (tx_offload.outer_l3_len >> 2) << ICE_TXD_CTX_QW0_EIPLEN_S; /* L4TUNT: L4 Tunneling Type */ switch (ol_flags & PKT_TX_TUNNEL_MASK) { case PKT_TX_TUNNEL_IPIP: /* for non UDP / GRE tunneling, set to 00b */ break; case PKT_TX_TUNNEL_VXLAN: case PKT_TX_TUNNEL_GTP: case PKT_TX_TUNNEL_GENEVE: *cd_tunneling |= ICE_TXD_CTX_UDP_TUNNELING; break; case PKT_TX_TUNNEL_GRE: *cd_tunneling |= ICE_TXD_CTX_GRE_TUNNELING; break; default: PMD_TX_LOG(ERR, "Tunnel type not supported"); return; } /* L4TUNLEN: L4 Tunneling Length, in Words * * We depend on app to set rte_mbuf.l2_len correctly. * For IP in GRE it should be set to the length of the GRE * header; * For MAC in GRE or MAC in UDP it should be set to the length * of the GRE or UDP headers plus the inner MAC up to including * its last Ethertype. * If MPLS labels exists, it should include them as well. */ *cd_tunneling |= (tx_offload.l2_len >> 1) << ICE_TXD_CTX_QW0_NATLEN_S; if ((ol_flags & PKT_TX_OUTER_UDP_CKSUM) && (ol_flags & PKT_TX_OUTER_IP_CKSUM) && (*cd_tunneling & ICE_TXD_CTX_UDP_TUNNELING)) *cd_tunneling |= ICE_TXD_CTX_QW0_L4T_CS_M; } static inline void ice_txd_enable_checksum(uint64_t ol_flags, uint32_t *td_cmd, uint32_t *td_offset, union ice_tx_offload tx_offload) { /* Set MACLEN */ if (ol_flags & PKT_TX_TUNNEL_MASK) *td_offset |= (tx_offload.outer_l2_len >> 1) << ICE_TX_DESC_LEN_MACLEN_S; else *td_offset |= (tx_offload.l2_len >> 1) << ICE_TX_DESC_LEN_MACLEN_S; /* Enable L3 checksum offloads */ if (ol_flags & PKT_TX_IP_CKSUM) { *td_cmd |= ICE_TX_DESC_CMD_IIPT_IPV4_CSUM; *td_offset |= (tx_offload.l3_len >> 2) << ICE_TX_DESC_LEN_IPLEN_S; } else if (ol_flags & PKT_TX_IPV4) { *td_cmd |= ICE_TX_DESC_CMD_IIPT_IPV4; *td_offset |= (tx_offload.l3_len >> 2) << ICE_TX_DESC_LEN_IPLEN_S; } else if (ol_flags & PKT_TX_IPV6) { *td_cmd |= ICE_TX_DESC_CMD_IIPT_IPV6; *td_offset |= (tx_offload.l3_len >> 2) << ICE_TX_DESC_LEN_IPLEN_S; } if (ol_flags & PKT_TX_TCP_SEG) { *td_cmd |= ICE_TX_DESC_CMD_L4T_EOFT_TCP; *td_offset |= (tx_offload.l4_len >> 2) << ICE_TX_DESC_LEN_L4_LEN_S; return; } /* Enable L4 checksum offloads */ switch (ol_flags & PKT_TX_L4_MASK) { case PKT_TX_TCP_CKSUM: *td_cmd |= ICE_TX_DESC_CMD_L4T_EOFT_TCP; *td_offset |= (sizeof(struct rte_tcp_hdr) >> 2) << ICE_TX_DESC_LEN_L4_LEN_S; break; case PKT_TX_SCTP_CKSUM: *td_cmd |= ICE_TX_DESC_CMD_L4T_EOFT_SCTP; *td_offset |= (sizeof(struct rte_sctp_hdr) >> 2) << ICE_TX_DESC_LEN_L4_LEN_S; break; case PKT_TX_UDP_CKSUM: *td_cmd |= ICE_TX_DESC_CMD_L4T_EOFT_UDP; *td_offset |= (sizeof(struct rte_udp_hdr) >> 2) << ICE_TX_DESC_LEN_L4_LEN_S; break; default: break; } } static inline int ice_xmit_cleanup(struct ice_tx_queue *txq) { struct ice_tx_entry *sw_ring = txq->sw_ring; volatile struct ice_tx_desc *txd = txq->tx_ring; uint16_t last_desc_cleaned = txq->last_desc_cleaned; uint16_t nb_tx_desc = txq->nb_tx_desc; uint16_t desc_to_clean_to; uint16_t nb_tx_to_clean; /* Determine the last descriptor needing to be cleaned */ desc_to_clean_to = (uint16_t)(last_desc_cleaned + txq->tx_rs_thresh); if (desc_to_clean_to >= nb_tx_desc) desc_to_clean_to = (uint16_t)(desc_to_clean_to - nb_tx_desc); /* Check to make sure the last descriptor to clean is done */ desc_to_clean_to = sw_ring[desc_to_clean_to].last_id; if (!(txd[desc_to_clean_to].cmd_type_offset_bsz & rte_cpu_to_le_64(ICE_TX_DESC_DTYPE_DESC_DONE))) { PMD_TX_FREE_LOG(DEBUG, "TX descriptor %4u is not done " "(port=%d queue=%d) value=0x%"PRIx64"\n", desc_to_clean_to, txq->port_id, txq->queue_id, txd[desc_to_clean_to].cmd_type_offset_bsz); /* Failed to clean any descriptors */ return -1; } /* Figure out how many descriptors will be cleaned */ if (last_desc_cleaned > desc_to_clean_to) nb_tx_to_clean = (uint16_t)((nb_tx_desc - last_desc_cleaned) + desc_to_clean_to); else nb_tx_to_clean = (uint16_t)(desc_to_clean_to - last_desc_cleaned); /* The last descriptor to clean is done, so that means all the * descriptors from the last descriptor that was cleaned * up to the last descriptor with the RS bit set * are done. Only reset the threshold descriptor. */ txd[desc_to_clean_to].cmd_type_offset_bsz = 0; /* Update the txq to reflect the last descriptor that was cleaned */ txq->last_desc_cleaned = desc_to_clean_to; txq->nb_tx_free = (uint16_t)(txq->nb_tx_free + nb_tx_to_clean); return 0; } /* Construct the tx flags */ static inline uint64_t ice_build_ctob(uint32_t td_cmd, uint32_t td_offset, uint16_t size, uint32_t td_tag) { return rte_cpu_to_le_64(ICE_TX_DESC_DTYPE_DATA | ((uint64_t)td_cmd << ICE_TXD_QW1_CMD_S) | ((uint64_t)td_offset << ICE_TXD_QW1_OFFSET_S) | ((uint64_t)size << ICE_TXD_QW1_TX_BUF_SZ_S) | ((uint64_t)td_tag << ICE_TXD_QW1_L2TAG1_S)); } /* Check if the context descriptor is needed for TX offloading */ static inline uint16_t ice_calc_context_desc(uint64_t flags) { static uint64_t mask = PKT_TX_TCP_SEG | PKT_TX_QINQ | PKT_TX_OUTER_IP_CKSUM | PKT_TX_TUNNEL_MASK; return (flags & mask) ? 1 : 0; } /* set ice TSO context descriptor */ static inline uint64_t ice_set_tso_ctx(struct rte_mbuf *mbuf, union ice_tx_offload tx_offload) { uint64_t ctx_desc = 0; uint32_t cd_cmd, hdr_len, cd_tso_len; if (!tx_offload.l4_len) { PMD_TX_LOG(DEBUG, "L4 length set to 0"); return ctx_desc; } hdr_len = tx_offload.l2_len + tx_offload.l3_len + tx_offload.l4_len; hdr_len += (mbuf->ol_flags & PKT_TX_TUNNEL_MASK) ? tx_offload.outer_l2_len + tx_offload.outer_l3_len : 0; cd_cmd = ICE_TX_CTX_DESC_TSO; cd_tso_len = mbuf->pkt_len - hdr_len; ctx_desc |= ((uint64_t)cd_cmd << ICE_TXD_CTX_QW1_CMD_S) | ((uint64_t)cd_tso_len << ICE_TXD_CTX_QW1_TSO_LEN_S) | ((uint64_t)mbuf->tso_segsz << ICE_TXD_CTX_QW1_MSS_S); return ctx_desc; } uint16_t ice_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts) { struct ice_tx_queue *txq; volatile struct ice_tx_desc *tx_ring; volatile struct ice_tx_desc *txd; struct ice_tx_entry *sw_ring; struct ice_tx_entry *txe, *txn; struct rte_mbuf *tx_pkt; struct rte_mbuf *m_seg; uint32_t cd_tunneling_params; uint16_t tx_id; uint16_t nb_tx; uint16_t nb_used; uint16_t nb_ctx; uint32_t td_cmd = 0; uint32_t td_offset = 0; uint32_t td_tag = 0; uint16_t tx_last; uint64_t buf_dma_addr; uint64_t ol_flags; union ice_tx_offload tx_offload = {0}; txq = tx_queue; sw_ring = txq->sw_ring; tx_ring = txq->tx_ring; tx_id = txq->tx_tail; txe = &sw_ring[tx_id]; /* Check if the descriptor ring needs to be cleaned. */ if (txq->nb_tx_free < txq->tx_free_thresh) ice_xmit_cleanup(txq); for (nb_tx = 0; nb_tx < nb_pkts; nb_tx++) { tx_pkt = *tx_pkts++; td_cmd = 0; ol_flags = tx_pkt->ol_flags; tx_offload.l2_len = tx_pkt->l2_len; tx_offload.l3_len = tx_pkt->l3_len; tx_offload.outer_l2_len = tx_pkt->outer_l2_len; tx_offload.outer_l3_len = tx_pkt->outer_l3_len; tx_offload.l4_len = tx_pkt->l4_len; tx_offload.tso_segsz = tx_pkt->tso_segsz; /* Calculate the number of context descriptors needed. */ nb_ctx = ice_calc_context_desc(ol_flags); /* The number of descriptors that must be allocated for * a packet equals to the number of the segments of that * packet plus the number of context descriptor if needed. */ nb_used = (uint16_t)(tx_pkt->nb_segs + nb_ctx); tx_last = (uint16_t)(tx_id + nb_used - 1); /* Circular ring */ if (tx_last >= txq->nb_tx_desc) tx_last = (uint16_t)(tx_last - txq->nb_tx_desc); if (nb_used > txq->nb_tx_free) { if (ice_xmit_cleanup(txq) != 0) { if (nb_tx == 0) return 0; goto end_of_tx; } if (unlikely(nb_used > txq->tx_rs_thresh)) { while (nb_used > txq->nb_tx_free) { if (ice_xmit_cleanup(txq) != 0) { if (nb_tx == 0) return 0; goto end_of_tx; } } } } /* Descriptor based VLAN insertion */ if (ol_flags & (PKT_TX_VLAN | PKT_TX_QINQ)) { td_cmd |= ICE_TX_DESC_CMD_IL2TAG1; td_tag = tx_pkt->vlan_tci; } /* Fill in tunneling parameters if necessary */ cd_tunneling_params = 0; if (ol_flags & PKT_TX_TUNNEL_MASK) ice_parse_tunneling_params(ol_flags, tx_offload, &cd_tunneling_params); /* Enable checksum offloading */ if (ol_flags & ICE_TX_CKSUM_OFFLOAD_MASK) { ice_txd_enable_checksum(ol_flags, &td_cmd, &td_offset, tx_offload); } if (nb_ctx) { /* Setup TX context descriptor if required */ volatile struct ice_tx_ctx_desc *ctx_txd = (volatile struct ice_tx_ctx_desc *) &tx_ring[tx_id]; uint16_t cd_l2tag2 = 0; uint64_t cd_type_cmd_tso_mss = ICE_TX_DESC_DTYPE_CTX; txn = &sw_ring[txe->next_id]; RTE_MBUF_PREFETCH_TO_FREE(txn->mbuf); if (txe->mbuf) { rte_pktmbuf_free_seg(txe->mbuf); txe->mbuf = NULL; } if (ol_flags & PKT_TX_TCP_SEG) cd_type_cmd_tso_mss |= ice_set_tso_ctx(tx_pkt, tx_offload); ctx_txd->tunneling_params = rte_cpu_to_le_32(cd_tunneling_params); /* TX context descriptor based double VLAN insert */ if (ol_flags & PKT_TX_QINQ) { cd_l2tag2 = tx_pkt->vlan_tci_outer; cd_type_cmd_tso_mss |= ((uint64_t)ICE_TX_CTX_DESC_IL2TAG2 << ICE_TXD_CTX_QW1_CMD_S); } ctx_txd->l2tag2 = rte_cpu_to_le_16(cd_l2tag2); ctx_txd->qw1 = rte_cpu_to_le_64(cd_type_cmd_tso_mss); txe->last_id = tx_last; tx_id = txe->next_id; txe = txn; } m_seg = tx_pkt; do { txd = &tx_ring[tx_id]; txn = &sw_ring[txe->next_id]; if (txe->mbuf) rte_pktmbuf_free_seg(txe->mbuf); txe->mbuf = m_seg; /* Setup TX Descriptor */ buf_dma_addr = rte_mbuf_data_iova(m_seg); txd->buf_addr = rte_cpu_to_le_64(buf_dma_addr); txd->cmd_type_offset_bsz = rte_cpu_to_le_64(ICE_TX_DESC_DTYPE_DATA | ((uint64_t)td_cmd << ICE_TXD_QW1_CMD_S) | ((uint64_t)td_offset << ICE_TXD_QW1_OFFSET_S) | ((uint64_t)m_seg->data_len << ICE_TXD_QW1_TX_BUF_SZ_S) | ((uint64_t)td_tag << ICE_TXD_QW1_L2TAG1_S)); txe->last_id = tx_last; tx_id = txe->next_id; txe = txn; m_seg = m_seg->next; } while (m_seg); /* fill the last descriptor with End of Packet (EOP) bit */ td_cmd |= ICE_TX_DESC_CMD_EOP; txq->nb_tx_used = (uint16_t)(txq->nb_tx_used + nb_used); txq->nb_tx_free = (uint16_t)(txq->nb_tx_free - nb_used); /* set RS bit on the last descriptor of one packet */ if (txq->nb_tx_used >= txq->tx_rs_thresh) { PMD_TX_FREE_LOG(DEBUG, "Setting RS bit on TXD id=" "%4u (port=%d queue=%d)", tx_last, txq->port_id, txq->queue_id); td_cmd |= ICE_TX_DESC_CMD_RS; /* Update txq RS bit counters */ txq->nb_tx_used = 0; } txd->cmd_type_offset_bsz |= rte_cpu_to_le_64(((uint64_t)td_cmd) << ICE_TXD_QW1_CMD_S); } end_of_tx: /* update Tail register */ ICE_PCI_REG_WRITE(txq->qtx_tail, tx_id); txq->tx_tail = tx_id; return nb_tx; } static inline int __attribute__((always_inline)) ice_tx_free_bufs(struct ice_tx_queue *txq) { struct ice_tx_entry *txep; uint16_t i; if ((txq->tx_ring[txq->tx_next_dd].cmd_type_offset_bsz & rte_cpu_to_le_64(ICE_TXD_QW1_DTYPE_M)) != rte_cpu_to_le_64(ICE_TX_DESC_DTYPE_DESC_DONE)) return 0; txep = &txq->sw_ring[txq->tx_next_dd - (txq->tx_rs_thresh - 1)]; for (i = 0; i < txq->tx_rs_thresh; i++) rte_prefetch0((txep + i)->mbuf); if (txq->offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE) { for (i = 0; i < txq->tx_rs_thresh; ++i, ++txep) { rte_mempool_put(txep->mbuf->pool, txep->mbuf); txep->mbuf = NULL; } } else { for (i = 0; i < txq->tx_rs_thresh; ++i, ++txep) { rte_pktmbuf_free_seg(txep->mbuf); txep->mbuf = NULL; } } txq->nb_tx_free = (uint16_t)(txq->nb_tx_free + txq->tx_rs_thresh); txq->tx_next_dd = (uint16_t)(txq->tx_next_dd + txq->tx_rs_thresh); if (txq->tx_next_dd >= txq->nb_tx_desc) txq->tx_next_dd = (uint16_t)(txq->tx_rs_thresh - 1); return txq->tx_rs_thresh; } static int ice_tx_done_cleanup_full(struct ice_tx_queue *txq, uint32_t free_cnt) { struct ice_tx_entry *swr_ring = txq->sw_ring; uint16_t i, tx_last, tx_id; uint16_t nb_tx_free_last; uint16_t nb_tx_to_clean; uint32_t pkt_cnt; /* Start free mbuf from the next of tx_tail */ tx_last = txq->tx_tail; tx_id = swr_ring[tx_last].next_id; if (txq->nb_tx_free == 0 && ice_xmit_cleanup(txq)) return 0; nb_tx_to_clean = txq->nb_tx_free; nb_tx_free_last = txq->nb_tx_free; if (!free_cnt) free_cnt = txq->nb_tx_desc; /* Loop through swr_ring to count the amount of * freeable mubfs and packets. */ for (pkt_cnt = 0; pkt_cnt < free_cnt; ) { for (i = 0; i < nb_tx_to_clean && pkt_cnt < free_cnt && tx_id != tx_last; i++) { if (swr_ring[tx_id].mbuf != NULL) { rte_pktmbuf_free_seg(swr_ring[tx_id].mbuf); swr_ring[tx_id].mbuf = NULL; /* * last segment in the packet, * increment packet count */ pkt_cnt += (swr_ring[tx_id].last_id == tx_id); } tx_id = swr_ring[tx_id].next_id; } if (txq->tx_rs_thresh > txq->nb_tx_desc - txq->nb_tx_free || tx_id == tx_last) break; if (pkt_cnt < free_cnt) { if (ice_xmit_cleanup(txq)) break; nb_tx_to_clean = txq->nb_tx_free - nb_tx_free_last; nb_tx_free_last = txq->nb_tx_free; } } return (int)pkt_cnt; } #ifdef RTE_ARCH_X86 static int ice_tx_done_cleanup_vec(struct ice_tx_queue *txq __rte_unused, uint32_t free_cnt __rte_unused) { return -ENOTSUP; } #endif static int ice_tx_done_cleanup_simple(struct ice_tx_queue *txq, uint32_t free_cnt) { int i, n, cnt; if (free_cnt == 0 || free_cnt > txq->nb_tx_desc) free_cnt = txq->nb_tx_desc; cnt = free_cnt - free_cnt % txq->tx_rs_thresh; for (i = 0; i < cnt; i += n) { if (txq->nb_tx_desc - txq->nb_tx_free < txq->tx_rs_thresh) break; n = ice_tx_free_bufs(txq); if (n == 0) break; } return i; } int ice_tx_done_cleanup(void *txq, uint32_t free_cnt) { struct ice_tx_queue *q = (struct ice_tx_queue *)txq; struct rte_eth_dev *dev = &rte_eth_devices[q->port_id]; struct ice_adapter *ad = ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); #ifdef RTE_ARCH_X86 if (ad->tx_vec_allowed) return ice_tx_done_cleanup_vec(q, free_cnt); #endif if (ad->tx_simple_allowed) return ice_tx_done_cleanup_simple(q, free_cnt); else return ice_tx_done_cleanup_full(q, free_cnt); } /* Populate 4 descriptors with data from 4 mbufs */ static inline void tx4(volatile struct ice_tx_desc *txdp, struct rte_mbuf **pkts) { uint64_t dma_addr; uint32_t i; for (i = 0; i < 4; i++, txdp++, pkts++) { dma_addr = rte_mbuf_data_iova(*pkts); txdp->buf_addr = rte_cpu_to_le_64(dma_addr); txdp->cmd_type_offset_bsz = ice_build_ctob((uint32_t)ICE_TD_CMD, 0, (*pkts)->data_len, 0); } } /* Populate 1 descriptor with data from 1 mbuf */ static inline void tx1(volatile struct ice_tx_desc *txdp, struct rte_mbuf **pkts) { uint64_t dma_addr; dma_addr = rte_mbuf_data_iova(*pkts); txdp->buf_addr = rte_cpu_to_le_64(dma_addr); txdp->cmd_type_offset_bsz = ice_build_ctob((uint32_t)ICE_TD_CMD, 0, (*pkts)->data_len, 0); } static inline void ice_tx_fill_hw_ring(struct ice_tx_queue *txq, struct rte_mbuf **pkts, uint16_t nb_pkts) { volatile struct ice_tx_desc *txdp = &txq->tx_ring[txq->tx_tail]; struct ice_tx_entry *txep = &txq->sw_ring[txq->tx_tail]; const int N_PER_LOOP = 4; const int N_PER_LOOP_MASK = N_PER_LOOP - 1; int mainpart, leftover; int i, j; /** * Process most of the packets in chunks of N pkts. Any * leftover packets will get processed one at a time. */ mainpart = nb_pkts & ((uint32_t)~N_PER_LOOP_MASK); leftover = nb_pkts & ((uint32_t)N_PER_LOOP_MASK); for (i = 0; i < mainpart; i += N_PER_LOOP) { /* Copy N mbuf pointers to the S/W ring */ for (j = 0; j < N_PER_LOOP; ++j) (txep + i + j)->mbuf = *(pkts + i + j); tx4(txdp + i, pkts + i); } if (unlikely(leftover > 0)) { for (i = 0; i < leftover; ++i) { (txep + mainpart + i)->mbuf = *(pkts + mainpart + i); tx1(txdp + mainpart + i, pkts + mainpart + i); } } } static inline uint16_t tx_xmit_pkts(struct ice_tx_queue *txq, struct rte_mbuf **tx_pkts, uint16_t nb_pkts) { volatile struct ice_tx_desc *txr = txq->tx_ring; uint16_t n = 0; /** * Begin scanning the H/W ring for done descriptors when the number * of available descriptors drops below tx_free_thresh. For each done * descriptor, free the associated buffer. */ if (txq->nb_tx_free < txq->tx_free_thresh) ice_tx_free_bufs(txq); /* Use available descriptor only */ nb_pkts = (uint16_t)RTE_MIN(txq->nb_tx_free, nb_pkts); if (unlikely(!nb_pkts)) return 0; txq->nb_tx_free = (uint16_t)(txq->nb_tx_free - nb_pkts); if ((txq->tx_tail + nb_pkts) > txq->nb_tx_desc) { n = (uint16_t)(txq->nb_tx_desc - txq->tx_tail); ice_tx_fill_hw_ring(txq, tx_pkts, n); txr[txq->tx_next_rs].cmd_type_offset_bsz |= rte_cpu_to_le_64(((uint64_t)ICE_TX_DESC_CMD_RS) << ICE_TXD_QW1_CMD_S); txq->tx_next_rs = (uint16_t)(txq->tx_rs_thresh - 1); txq->tx_tail = 0; } /* Fill hardware descriptor ring with mbuf data */ ice_tx_fill_hw_ring(txq, tx_pkts + n, (uint16_t)(nb_pkts - n)); txq->tx_tail = (uint16_t)(txq->tx_tail + (nb_pkts - n)); /* Determin if RS bit needs to be set */ if (txq->tx_tail > txq->tx_next_rs) { txr[txq->tx_next_rs].cmd_type_offset_bsz |= rte_cpu_to_le_64(((uint64_t)ICE_TX_DESC_CMD_RS) << ICE_TXD_QW1_CMD_S); txq->tx_next_rs = (uint16_t)(txq->tx_next_rs + txq->tx_rs_thresh); if (txq->tx_next_rs >= txq->nb_tx_desc) txq->tx_next_rs = (uint16_t)(txq->tx_rs_thresh - 1); } if (txq->tx_tail >= txq->nb_tx_desc) txq->tx_tail = 0; /* Update the tx tail register */ ICE_PCI_REG_WRITE(txq->qtx_tail, txq->tx_tail); return nb_pkts; } static uint16_t ice_xmit_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts) { uint16_t nb_tx = 0; if (likely(nb_pkts <= ICE_TX_MAX_BURST)) return tx_xmit_pkts((struct ice_tx_queue *)tx_queue, tx_pkts, nb_pkts); while (nb_pkts) { uint16_t ret, num = (uint16_t)RTE_MIN(nb_pkts, ICE_TX_MAX_BURST); ret = tx_xmit_pkts((struct ice_tx_queue *)tx_queue, &tx_pkts[nb_tx], num); nb_tx = (uint16_t)(nb_tx + ret); nb_pkts = (uint16_t)(nb_pkts - ret); if (ret < num) break; } return nb_tx; } void __attribute__((cold)) ice_set_rx_function(struct rte_eth_dev *dev) { PMD_INIT_FUNC_TRACE(); struct ice_adapter *ad = ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); #ifdef RTE_ARCH_X86 struct ice_rx_queue *rxq; int i; bool use_avx2 = false; if (rte_eal_process_type() == RTE_PROC_PRIMARY) { if (!ice_rx_vec_dev_check(dev) && ad->rx_bulk_alloc_allowed) { ad->rx_vec_allowed = true; for (i = 0; i < dev->data->nb_rx_queues; i++) { rxq = dev->data->rx_queues[i]; if (rxq && ice_rxq_vec_setup(rxq)) { ad->rx_vec_allowed = false; break; } } if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 || rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) use_avx2 = true; } else { ad->rx_vec_allowed = false; } } if (ad->rx_vec_allowed) { if (dev->data->scattered_rx) { PMD_DRV_LOG(DEBUG, "Using %sVector Scattered Rx (port %d).", use_avx2 ? "avx2 " : "", dev->data->port_id); dev->rx_pkt_burst = use_avx2 ? ice_recv_scattered_pkts_vec_avx2 : ice_recv_scattered_pkts_vec; } else { PMD_DRV_LOG(DEBUG, "Using %sVector Rx (port %d).", use_avx2 ? "avx2 " : "", dev->data->port_id); dev->rx_pkt_burst = use_avx2 ? ice_recv_pkts_vec_avx2 : ice_recv_pkts_vec; } return; } #endif if (dev->data->scattered_rx) { /* Set the non-LRO scattered function */ PMD_INIT_LOG(DEBUG, "Using a Scattered function on port %d.", dev->data->port_id); dev->rx_pkt_burst = ice_recv_scattered_pkts; } else if (ad->rx_bulk_alloc_allowed) { PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are " "satisfied. Rx Burst Bulk Alloc function " "will be used on port %d.", dev->data->port_id); dev->rx_pkt_burst = ice_recv_pkts_bulk_alloc; } else { PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are not " "satisfied, Normal Rx will be used on port %d.", dev->data->port_id); dev->rx_pkt_burst = ice_recv_pkts; } } static const struct { eth_rx_burst_t pkt_burst; const char *info; } ice_rx_burst_infos[] = { { ice_recv_scattered_pkts, "Scalar Scattered" }, { ice_recv_pkts_bulk_alloc, "Scalar Bulk Alloc" }, { ice_recv_pkts, "Scalar" }, #ifdef RTE_ARCH_X86 { ice_recv_scattered_pkts_vec_avx2, "Vector AVX2 Scattered" }, { ice_recv_pkts_vec_avx2, "Vector AVX2" }, { ice_recv_scattered_pkts_vec, "Vector SSE Scattered" }, { ice_recv_pkts_vec, "Vector SSE" }, #endif }; int ice_rx_burst_mode_get(struct rte_eth_dev *dev, __rte_unused uint16_t queue_id, struct rte_eth_burst_mode *mode) { eth_rx_burst_t pkt_burst = dev->rx_pkt_burst; int ret = -EINVAL; unsigned int i; for (i = 0; i < RTE_DIM(ice_rx_burst_infos); ++i) { if (pkt_burst == ice_rx_burst_infos[i].pkt_burst) { snprintf(mode->info, sizeof(mode->info), "%s", ice_rx_burst_infos[i].info); ret = 0; break; } } return ret; } void __attribute__((cold)) ice_set_tx_function_flag(struct rte_eth_dev *dev, struct ice_tx_queue *txq) { struct ice_adapter *ad = ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); /* Use a simple Tx queue if possible (only fast free is allowed) */ ad->tx_simple_allowed = (txq->offloads == (txq->offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE) && txq->tx_rs_thresh >= ICE_TX_MAX_BURST); if (ad->tx_simple_allowed) PMD_INIT_LOG(DEBUG, "Simple Tx can be enabled on Tx queue %u.", txq->queue_id); else PMD_INIT_LOG(DEBUG, "Simple Tx can NOT be enabled on Tx queue %u.", txq->queue_id); } /********************************************************************* * * TX prep functions * **********************************************************************/ /* The default values of TSO MSS */ #define ICE_MIN_TSO_MSS 64 #define ICE_MAX_TSO_MSS 9728 #define ICE_MAX_TSO_FRAME_SIZE 262144 uint16_t ice_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts) { int i, ret; uint64_t ol_flags; struct rte_mbuf *m; for (i = 0; i < nb_pkts; i++) { m = tx_pkts[i]; ol_flags = m->ol_flags; if (ol_flags & PKT_TX_TCP_SEG && (m->tso_segsz < ICE_MIN_TSO_MSS || m->tso_segsz > ICE_MAX_TSO_MSS || m->pkt_len > ICE_MAX_TSO_FRAME_SIZE)) { /** * MSS outside the range are considered malicious */ rte_errno = EINVAL; return i; } #ifdef RTE_LIBRTE_ETHDEV_DEBUG ret = rte_validate_tx_offload(m); if (ret != 0) { rte_errno = -ret; return i; } #endif ret = rte_net_intel_cksum_prepare(m); if (ret != 0) { rte_errno = -ret; return i; } } return i; } void __attribute__((cold)) ice_set_tx_function(struct rte_eth_dev *dev) { struct ice_adapter *ad = ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); #ifdef RTE_ARCH_X86 struct ice_tx_queue *txq; int i; bool use_avx2 = false; if (rte_eal_process_type() == RTE_PROC_PRIMARY) { if (!ice_tx_vec_dev_check(dev)) { ad->tx_vec_allowed = true; for (i = 0; i < dev->data->nb_tx_queues; i++) { txq = dev->data->tx_queues[i]; if (txq && ice_txq_vec_setup(txq)) { ad->tx_vec_allowed = false; break; } } if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 || rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) use_avx2 = true; } else { ad->tx_vec_allowed = false; } } if (ad->tx_vec_allowed) { PMD_DRV_LOG(DEBUG, "Using %sVector Tx (port %d).", use_avx2 ? "avx2 " : "", dev->data->port_id); dev->tx_pkt_burst = use_avx2 ? ice_xmit_pkts_vec_avx2 : ice_xmit_pkts_vec; dev->tx_pkt_prepare = NULL; return; } #endif if (ad->tx_simple_allowed) { PMD_INIT_LOG(DEBUG, "Simple tx finally be used."); dev->tx_pkt_burst = ice_xmit_pkts_simple; dev->tx_pkt_prepare = NULL; } else { PMD_INIT_LOG(DEBUG, "Normal tx finally be used."); dev->tx_pkt_burst = ice_xmit_pkts; dev->tx_pkt_prepare = ice_prep_pkts; } } static const struct { eth_tx_burst_t pkt_burst; const char *info; } ice_tx_burst_infos[] = { { ice_xmit_pkts_simple, "Scalar Simple" }, { ice_xmit_pkts, "Scalar" }, #ifdef RTE_ARCH_X86 { ice_xmit_pkts_vec_avx2, "Vector AVX2" }, { ice_xmit_pkts_vec, "Vector SSE" }, #endif }; int ice_tx_burst_mode_get(struct rte_eth_dev *dev, __rte_unused uint16_t queue_id, struct rte_eth_burst_mode *mode) { eth_tx_burst_t pkt_burst = dev->tx_pkt_burst; int ret = -EINVAL; unsigned int i; for (i = 0; i < RTE_DIM(ice_tx_burst_infos); ++i) { if (pkt_burst == ice_tx_burst_infos[i].pkt_burst) { snprintf(mode->info, sizeof(mode->info), "%s", ice_tx_burst_infos[i].info); ret = 0; break; } } return ret; } /* For each value it means, datasheet of hardware can tell more details * * @note: fix ice_dev_supported_ptypes_get() if any change here. */ static inline uint32_t ice_get_default_pkt_type(uint16_t ptype) { static const uint32_t type_table[ICE_MAX_PKT_TYPE] __rte_cache_aligned = { /* L2 types */ /* [0] reserved */ [1] = RTE_PTYPE_L2_ETHER, [2] = RTE_PTYPE_L2_ETHER_TIMESYNC, /* [3] - [5] reserved */ [6] = RTE_PTYPE_L2_ETHER_LLDP, /* [7] - [10] reserved */ [11] = RTE_PTYPE_L2_ETHER_ARP, /* [12] - [21] reserved */ /* Non tunneled IPv4 */ [22] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG, [23] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_NONFRAG, [24] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP, /* [25] reserved */ [26] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_TCP, [27] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_SCTP, [28] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_ICMP, /* IPv4 --> IPv4 */ [29] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [30] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [31] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, /* [32] reserved */ [33] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [34] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP, [35] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* IPv4 --> IPv6 */ [36] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [37] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [38] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, /* [39] reserved */ [40] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [41] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP, [42] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* IPv4 --> GRE/Teredo/VXLAN */ [43] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT, /* IPv4 --> GRE/Teredo/VXLAN --> IPv4 */ [44] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [45] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [46] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, /* [47] reserved */ [48] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [49] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP, [50] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* IPv4 --> GRE/Teredo/VXLAN --> IPv6 */ [51] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [52] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [53] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, /* [54] reserved */ [55] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [56] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP, [57] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* IPv4 --> GRE/Teredo/VXLAN --> MAC */ [58] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER, /* IPv4 --> GRE/Teredo/VXLAN --> MAC --> IPv4 */ [59] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [60] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [61] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, /* [62] reserved */ [63] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [64] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP, [65] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* IPv4 --> GRE/Teredo/VXLAN --> MAC --> IPv6 */ [66] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [67] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [68] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, /* [69] reserved */ [70] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [71] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP, [72] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* [73] - [87] reserved */ /* Non tunneled IPv6 */ [88] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG, [89] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_NONFRAG, [90] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_UDP, /* [91] reserved */ [92] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_TCP, [93] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_SCTP, [94] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_ICMP, /* IPv6 --> IPv4 */ [95] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [96] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [97] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, /* [98] reserved */ [99] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [100] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP, [101] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* IPv6 --> IPv6 */ [102] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [103] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [104] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, /* [105] reserved */ [106] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [107] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP, [108] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_IP | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* IPv6 --> GRE/Teredo/VXLAN */ [109] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT, /* IPv6 --> GRE/Teredo/VXLAN --> IPv4 */ [110] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [111] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [112] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, /* [113] reserved */ [114] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [115] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP, [116] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* IPv6 --> GRE/Teredo/VXLAN --> IPv6 */ [117] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [118] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [119] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, /* [120] reserved */ [121] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [122] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP, [123] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* IPv6 --> GRE/Teredo/VXLAN --> MAC */ [124] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER, /* IPv6 --> GRE/Teredo/VXLAN --> MAC --> IPv4 */ [125] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [126] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [127] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, /* [128] reserved */ [129] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [130] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP, [131] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* IPv6 --> GRE/Teredo/VXLAN --> MAC --> IPv6 */ [132] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [133] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [134] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, /* [135] reserved */ [136] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [137] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP, [138] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRENAT | RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* [139] - [299] reserved */ /* PPPoE */ [300] = RTE_PTYPE_L2_ETHER_PPPOE, [301] = RTE_PTYPE_L2_ETHER_PPPOE, /* PPPoE --> IPv4 */ [302] = RTE_PTYPE_L2_ETHER_PPPOE | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG, [303] = RTE_PTYPE_L2_ETHER_PPPOE | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_NONFRAG, [304] = RTE_PTYPE_L2_ETHER_PPPOE | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP, [305] = RTE_PTYPE_L2_ETHER_PPPOE | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_TCP, [306] = RTE_PTYPE_L2_ETHER_PPPOE | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_SCTP, [307] = RTE_PTYPE_L2_ETHER_PPPOE | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_ICMP, /* PPPoE --> IPv6 */ [308] = RTE_PTYPE_L2_ETHER_PPPOE | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_FRAG, [309] = RTE_PTYPE_L2_ETHER_PPPOE | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_NONFRAG, [310] = RTE_PTYPE_L2_ETHER_PPPOE | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_UDP, [311] = RTE_PTYPE_L2_ETHER_PPPOE | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_TCP, [312] = RTE_PTYPE_L2_ETHER_PPPOE | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_SCTP, [313] = RTE_PTYPE_L2_ETHER_PPPOE | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_ICMP, /* [314] - [324] reserved */ /* IPv4/IPv6 --> GTPC/GTPU */ [325] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPC, [326] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPC, [327] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPC, [328] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPC, [329] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU, [330] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU, /* IPv4 --> GTPU --> IPv4 */ [331] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [332] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [333] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, [334] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [335] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* IPv6 --> GTPU --> IPv4 */ [336] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [337] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [338] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, [339] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [340] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* IPv4 --> GTPU --> IPv6 */ [341] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [342] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [343] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, [344] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [345] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* IPv6 --> GTPU --> IPv6 */ [346] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_FRAG, [347] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_NONFRAG, [348] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP, [349] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP, [350] = RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GTPU | RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_ICMP, /* All others reserved */ }; return type_table[ptype]; } void __attribute__((cold)) ice_set_default_ptype_table(struct rte_eth_dev *dev) { struct ice_adapter *ad = ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); int i; for (i = 0; i < ICE_MAX_PKT_TYPE; i++) ad->ptype_tbl[i] = ice_get_default_pkt_type(i); } #define ICE_RX_PROG_STATUS_DESC_WB_QW1_PROGID_S 1 #define ICE_RX_PROG_STATUS_DESC_WB_QW1_PROGID_M \ (0x3UL << ICE_RX_PROG_STATUS_DESC_WB_QW1_PROGID_S) #define ICE_RX_PROG_STATUS_DESC_WB_QW1_PROG_ADD 0 #define ICE_RX_PROG_STATUS_DESC_WB_QW1_PROG_DEL 0x1 #define ICE_RX_PROG_STATUS_DESC_WB_QW1_FAIL_S 4 #define ICE_RX_PROG_STATUS_DESC_WB_QW1_FAIL_M \ (1 << ICE_RX_PROG_STATUS_DESC_WB_QW1_FAIL_S) #define ICE_RX_PROG_STATUS_DESC_WB_QW1_FAIL_PROF_S 5 #define ICE_RX_PROG_STATUS_DESC_WB_QW1_FAIL_PROF_M \ (1 << ICE_RX_PROG_STATUS_DESC_WB_QW1_FAIL_PROF_S) /* * check the programming status descriptor in rx queue. * done after Programming Flow Director is programmed on * tx queue */ static inline int ice_check_fdir_programming_status(struct ice_rx_queue *rxq) { volatile union ice_32byte_rx_desc *rxdp; uint64_t qword1; uint32_t rx_status; uint32_t error; uint32_t id; int ret = -EAGAIN; rxdp = (volatile union ice_32byte_rx_desc *) (&rxq->rx_ring[rxq->rx_tail]); qword1 = rte_le_to_cpu_64(rxdp->wb.qword1.status_error_len); rx_status = (qword1 & ICE_RXD_QW1_STATUS_M) >> ICE_RXD_QW1_STATUS_S; if (rx_status & (1 << ICE_RX_DESC_STATUS_DD_S)) { ret = 0; error = (qword1 & ICE_RX_PROG_STATUS_DESC_WB_QW1_FAIL_M) >> ICE_RX_PROG_STATUS_DESC_WB_QW1_FAIL_S; id = (qword1 & ICE_RX_PROG_STATUS_DESC_WB_QW1_PROGID_M) >> ICE_RX_PROG_STATUS_DESC_WB_QW1_PROGID_S; if (error) { if (id == ICE_RX_PROG_STATUS_DESC_WB_QW1_PROG_ADD) PMD_DRV_LOG(ERR, "Failed to add FDIR rule."); else if (id == ICE_RX_PROG_STATUS_DESC_WB_QW1_PROG_DEL) PMD_DRV_LOG(ERR, "Failed to remove FDIR rule."); ret = -EINVAL; goto err; } error = (qword1 & ICE_RX_PROG_STATUS_DESC_WB_QW1_FAIL_PROF_M) >> ICE_RX_PROG_STATUS_DESC_WB_QW1_FAIL_PROF_S; if (error) { PMD_DRV_LOG(ERR, "Failed to create FDIR profile."); ret = -EINVAL; } err: rxdp->wb.qword1.status_error_len = 0; rxq->rx_tail++; if (unlikely(rxq->rx_tail == rxq->nb_rx_desc)) rxq->rx_tail = 0; if (rxq->rx_tail == 0) ICE_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1); else ICE_PCI_REG_WRITE(rxq->qrx_tail, rxq->rx_tail - 1); } return ret; } #define ICE_FDIR_MAX_WAIT_US 10000 int ice_fdir_programming(struct ice_pf *pf, struct ice_fltr_desc *fdir_desc) { struct ice_tx_queue *txq = pf->fdir.txq; struct ice_rx_queue *rxq = pf->fdir.rxq; volatile struct ice_fltr_desc *fdirdp; volatile struct ice_tx_desc *txdp; uint32_t td_cmd; uint16_t i; fdirdp = (volatile struct ice_fltr_desc *) (&txq->tx_ring[txq->tx_tail]); fdirdp->qidx_compq_space_stat = fdir_desc->qidx_compq_space_stat; fdirdp->dtype_cmd_vsi_fdid = fdir_desc->dtype_cmd_vsi_fdid; txdp = &txq->tx_ring[txq->tx_tail + 1]; txdp->buf_addr = rte_cpu_to_le_64(pf->fdir.dma_addr); td_cmd = ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS | ICE_TX_DESC_CMD_DUMMY; txdp->cmd_type_offset_bsz = ice_build_ctob(td_cmd, 0, ICE_FDIR_PKT_LEN, 0); txq->tx_tail += 2; if (txq->tx_tail >= txq->nb_tx_desc) txq->tx_tail = 0; /* Update the tx tail register */ ICE_PCI_REG_WRITE(txq->qtx_tail, txq->tx_tail); for (i = 0; i < ICE_FDIR_MAX_WAIT_US; i++) { if ((txdp->cmd_type_offset_bsz & rte_cpu_to_le_64(ICE_TXD_QW1_DTYPE_M)) == rte_cpu_to_le_64(ICE_TX_DESC_DTYPE_DESC_DONE)) break; rte_delay_us(1); } if (i >= ICE_FDIR_MAX_WAIT_US) { PMD_DRV_LOG(ERR, "Failed to program FDIR filter: time out to get DD on tx queue."); return -ETIMEDOUT; } for (; i < ICE_FDIR_MAX_WAIT_US; i++) { int ret; ret = ice_check_fdir_programming_status(rxq); if (ret == -EAGAIN) rte_delay_us(1); else return ret; } PMD_DRV_LOG(ERR, "Failed to program FDIR filter: programming status reported."); return -ETIMEDOUT; }