From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 2137BA0032; Thu, 1 Sep 2022 16:49:32 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0F9D740C35; Thu, 1 Sep 2022 16:49:32 +0200 (CEST) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by mails.dpdk.org (Postfix) with ESMTP id 5486940695 for ; Thu, 1 Sep 2022 16:49:29 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1662043769; x=1693579769; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=etHrS+vcG1FsXSU9EpgOn7WJDIUrbWJAFDqzzy9kGqw=; b=AA6zOTOHGKoU3oLkjOx7/qzgHFi490XRiQy8mNeCV0rxVK80uHbaW24R VOYFcciY2aP3tP6O/d/pJUMWvzG+/pbewqPtOSZIojnCltq/MF5YlkbAE QxwzO4YxlBUfJtQQN9gB5qEFiKFWHKIKd/iQxXUoQSmZdP8m/+8f1FKKd 2rHI7BULygM/0jiOw1wdO6aa05U55JCeDTq2Frwit8yk9cWxgUtsDro53 oeT4+wbtHu9tEnZIgRTvwsRe6ekmBXQ0uVyv6GjSVtFs5QPZRrcNQrCaj sctKCZyvSKSKDdhAMTTOURw9mx0LqzrInRuwj8VZkeNnMTHz4qHe73HoT g==; X-IronPort-AV: E=McAfee;i="6500,9779,10457"; a="297016937" X-IronPort-AV: E=Sophos;i="5.93,281,1654585200"; d="scan'208";a="297016937" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2022 07:49:28 -0700 X-IronPort-AV: E=Sophos;i="5.93,281,1654585200"; d="scan'208";a="608574688" Received: from unknown (HELO localhost.localdomain) ([10.239.252.55]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2022 07:49:22 -0700 From: Yuan Wang To: qi.z.zhang@intel.com, qiming.yang@intel.com Cc: thomas@monjalon.net, andrew.rybchenko@oktetlabs.ru, ferruh.yigit@xilinx.com, mdr@ashroe.eu, xiaoyun.li@intel.com, aman.deep.singh@intel.com, yuying.zhang@intel.com, jerinjacobk@gmail.com, viacheslavo@nvidia.com, stephen@networkplumber.org, xuan.ding@intel.com, dev@dpdk.org, hpothula@marvell.com, yaqi.tang@intel.com, Yuan Wang , Wenxuan Wu Subject: [PATCH v2 4/4] net/ice: support buffer split in Rx path Date: Fri, 2 Sep 2022 06:37:01 +0800 Message-Id: <20220901223701.515437-1-yuanx.wang@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220812181552.2908067-1-yuanx.wang@intel.com> References: <20220812181552.2908067-1-yuanx.wang@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org This patch adds support for protocol based buffer split in normal Rx data paths. When the Rx queue is configured with specific protocol type, packets received will be directly split into protocol header and payload parts limitation of ice pmd. And the two parts will be put into different mempools. Currently, protocol based buffer split is not supported in vectorized paths. A new api ice_buffer_split_supported_hdr_ptypes_get() has been introduced, it will return the supported header protocols of ice PMD to app for splitting. Signed-off-by: Yuan Wang Signed-off-by: Xuan Ding Signed-off-by: Wenxuan Wu Reviewed-by: Qi Zhang --- doc/guides/nics/features/ice.ini | 1 + doc/guides/rel_notes/release_22_11.rst | 4 + drivers/net/ice/ice_ethdev.c | 30 +++- drivers/net/ice/ice_rxtx.c | 220 +++++++++++++++++++++---- drivers/net/ice/ice_rxtx.h | 16 ++ drivers/net/ice/ice_rxtx_vec_common.h | 3 + 6 files changed, 242 insertions(+), 32 deletions(-) diff --git a/doc/guides/nics/features/ice.ini b/doc/guides/nics/features/ice.ini index 7861790a51..bf978ab7f5 100644 --- a/doc/guides/nics/features/ice.ini +++ b/doc/guides/nics/features/ice.ini @@ -7,6 +7,7 @@ ; is selected. ; [Features] +Buffer split = P Speed capabilities = Y Link status = Y Link status event = Y diff --git a/doc/guides/rel_notes/release_22_11.rst b/doc/guides/rel_notes/release_22_11.rst index f3b58c7895..99af35714d 100644 --- a/doc/guides/rel_notes/release_22_11.rst +++ b/doc/guides/rel_notes/release_22_11.rst @@ -66,6 +66,10 @@ New Features User can choose length or protocol header to configure buffer split according to NIC's capability. +* **Updated Intel ice driver.** + + Added protocol based buffer split support in scalar path. + Removed Items ------------- diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c index b2300790ae..3e140439ff 100644 --- a/drivers/net/ice/ice_ethdev.c +++ b/drivers/net/ice/ice_ethdev.c @@ -169,6 +169,7 @@ static int ice_timesync_read_time(struct rte_eth_dev *dev, static int ice_timesync_write_time(struct rte_eth_dev *dev, const struct timespec *timestamp); static int ice_timesync_disable(struct rte_eth_dev *dev); +static const uint32_t *ice_buffer_split_supported_hdr_ptypes_get(struct rte_eth_dev *dev); static const struct rte_pci_id pci_id_ice_map[] = { { RTE_PCI_DEVICE(ICE_INTEL_VENDOR_ID, ICE_DEV_ID_E823L_BACKPLANE) }, @@ -280,6 +281,7 @@ static const struct eth_dev_ops ice_eth_dev_ops = { .timesync_write_time = ice_timesync_write_time, .timesync_disable = ice_timesync_disable, .tm_ops_get = ice_tm_ops_get, + .buffer_split_supported_hdr_ptypes_get = ice_buffer_split_supported_hdr_ptypes_get, }; /* store statistics names and its offset in stats structure */ @@ -3749,7 +3751,8 @@ ice_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) RTE_ETH_RX_OFFLOAD_OUTER_IPV4_CKSUM | RTE_ETH_RX_OFFLOAD_VLAN_EXTEND | RTE_ETH_RX_OFFLOAD_RSS_HASH | - RTE_ETH_RX_OFFLOAD_TIMESTAMP; + RTE_ETH_RX_OFFLOAD_TIMESTAMP | + RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT; dev_info->tx_offload_capa |= RTE_ETH_TX_OFFLOAD_QINQ_INSERT | RTE_ETH_TX_OFFLOAD_IPV4_CKSUM | @@ -3761,7 +3764,7 @@ ice_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) dev_info->flow_type_rss_offloads |= ICE_RSS_OFFLOAD_ALL; } - dev_info->rx_queue_offload_capa = 0; + dev_info->rx_queue_offload_capa = RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT; dev_info->tx_queue_offload_capa = RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE; dev_info->reta_size = pf->hash_lut_size; @@ -3830,6 +3833,11 @@ ice_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) dev_info->default_rxportconf.ring_size = ICE_BUF_SIZE_MIN; dev_info->default_txportconf.ring_size = ICE_BUF_SIZE_MIN; + dev_info->rx_seg_capa.max_nseg = ICE_RX_MAX_NSEG; + dev_info->rx_seg_capa.multi_pools = 1; + dev_info->rx_seg_capa.offset_allowed = 0; + dev_info->rx_seg_capa.offset_align_log2 = 0; + return 0; } @@ -5886,6 +5894,24 @@ ice_timesync_disable(struct rte_eth_dev *dev) return 0; } +static const uint32_t * +ice_buffer_split_supported_hdr_ptypes_get(struct rte_eth_dev *dev __rte_unused) +{ +/* Buffer split protocol header capability. */ + static const uint32_t ptypes[] = { + RTE_PTYPE_L2_ETHER, + RTE_PTYPE_INNER_L2_ETHER, + RTE_PTYPE_INNER_L3_IPV4, + RTE_PTYPE_INNER_L3_IPV6, + RTE_PTYPE_INNER_L4_TCP, + RTE_PTYPE_INNER_L4_UDP, + RTE_PTYPE_INNER_L4_SCTP, + RTE_PTYPE_UNKNOWN + }; + + return ptypes; +} + static int ice_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, struct rte_pci_device *pci_dev) diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c index bfb3a16ae2..94804b9945 100644 --- a/drivers/net/ice/ice_rxtx.c +++ b/drivers/net/ice/ice_rxtx.c @@ -282,7 +282,6 @@ ice_program_hw_rx_queue(struct ice_rx_queue *rxq) /* 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)); rxq->max_pkt_len = RTE_MIN((uint32_t)ICE_SUPPORT_CHAIN_NUM * rxq->rx_buf_len, @@ -311,11 +310,47 @@ ice_program_hw_rx_queue(struct ice_rx_queue *rxq) memset(&rx_ctx, 0, sizeof(rx_ctx)); + if (rxq->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) { + switch (rxq->rxseg[0].proto_hdr) { + case RTE_PTYPE_L2_ETHER: + rx_ctx.dtype = ICE_RX_DTYPE_HEADER_SPLIT; + rx_ctx.hsplit_1 = ICE_RLAN_RX_HSPLIT_1_SPLIT_L2; + break; + case RTE_PTYPE_INNER_L2_ETHER: + rx_ctx.dtype = ICE_RX_DTYPE_HEADER_SPLIT; + rx_ctx.hsplit_0 = ICE_RLAN_RX_HSPLIT_0_SPLIT_L2; + break; + case RTE_PTYPE_INNER_L3_IPV4: + case RTE_PTYPE_INNER_L3_IPV6: + rx_ctx.dtype = ICE_RX_DTYPE_HEADER_SPLIT; + rx_ctx.hsplit_0 = ICE_RLAN_RX_HSPLIT_0_SPLIT_IP; + break; + case RTE_PTYPE_INNER_L4_TCP: + case RTE_PTYPE_INNER_L4_UDP: + rx_ctx.dtype = ICE_RX_DTYPE_HEADER_SPLIT; + rx_ctx.hsplit_0 = ICE_RLAN_RX_HSPLIT_0_SPLIT_TCP_UDP; + break; + case RTE_PTYPE_INNER_L4_SCTP: + rx_ctx.dtype = ICE_RX_DTYPE_HEADER_SPLIT; + rx_ctx.hsplit_0 = ICE_RLAN_RX_HSPLIT_0_SPLIT_SCTP; + break; + case RTE_PTYPE_UNKNOWN: + PMD_DRV_LOG(ERR, "Buffer split protocol must be configured"); + return -EINVAL; + default: + PMD_DRV_LOG(ERR, "Buffer split protocol is not supported"); + return -EINVAL; + } + rxq->rx_hdr_len = ICE_RX_HDR_BUF_SIZE; + } else { + rxq->rx_hdr_len = 0; + rx_ctx.dtype = 0; /* No Protocol Based Buffer Split mode */ + } + 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 @@ -401,6 +436,7 @@ ice_alloc_rx_queue_mbufs(struct ice_rx_queue *rxq) for (i = 0; i < rxq->nb_rx_desc; i++) { volatile union ice_rx_flex_desc *rxd; + rxd = &rxq->rx_ring[i]; struct rte_mbuf *mbuf = rte_mbuf_raw_alloc(rxq->mp); if (unlikely(!mbuf)) { @@ -408,8 +444,6 @@ ice_alloc_rx_queue_mbufs(struct ice_rx_queue *rxq) 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; @@ -417,9 +451,32 @@ ice_alloc_rx_queue_mbufs(struct ice_rx_queue *rxq) 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; + if (!(rxq->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT)) { + rte_mbuf_refcnt_set(mbuf, 1); + mbuf->next = NULL; + rxd->read.hdr_addr = 0; + rxd->read.pkt_addr = dma_addr; + } else { + struct rte_mbuf *mbuf_pay; + mbuf_pay = rte_mbuf_raw_alloc(rxq->rxseg[1].mp); + if (unlikely(!mbuf_pay)) { + PMD_DRV_LOG(ERR, "Failed to allocate payload mbuf for RX"); + return -ENOMEM; + } + + mbuf_pay->next = NULL; + mbuf_pay->data_off = RTE_PKTMBUF_HEADROOM; + mbuf_pay->nb_segs = 1; + mbuf_pay->port = rxq->port_id; + mbuf->next = mbuf_pay; + + rxd->read.hdr_addr = dma_addr; + /* The LS bit should be set to zero regardless of + * buffer split enablement. + */ + rxd->read.pkt_addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf_pay)); + } + #ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC rxd->read.rsvd1 = 0; rxd->read.rsvd2 = 0; @@ -443,14 +500,14 @@ _ice_rx_queue_release_mbufs(struct ice_rx_queue *rxq) for (i = 0; i < rxq->nb_rx_desc; i++) { if (rxq->sw_ring[i].mbuf) { - rte_pktmbuf_free_seg(rxq->sw_ring[i].mbuf); + rte_pktmbuf_free(rxq->sw_ring[i].mbuf); rxq->sw_ring[i].mbuf = NULL; } } if (rxq->rx_nb_avail == 0) return; for (i = 0; i < rxq->rx_nb_avail; i++) - rte_pktmbuf_free_seg(rxq->rx_stage[rxq->rx_next_avail + i]); + rte_pktmbuf_free(rxq->rx_stage[rxq->rx_next_avail + i]); rxq->rx_nb_avail = 0; } @@ -742,7 +799,7 @@ ice_fdir_program_hw_rx_queue(struct ice_rx_queue *rxq) 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.dtype = 0; /* No Buffer Split mode */ rx_ctx.dsize = 1; /* 32B descriptors */ rx_ctx.rxmax = ICE_ETH_MAX_LEN; /* TPH: Transaction Layer Packet (TLP) processing hints */ @@ -1076,6 +1133,7 @@ ice_rx_queue_setup(struct rte_eth_dev *dev, uint16_t len; int use_def_burst_func = 1; uint64_t offloads; + uint16_t n_seg = rx_conf->rx_nseg; if (nb_desc % ICE_ALIGN_RING_DESC != 0 || nb_desc > ICE_MAX_RING_DESC || @@ -1087,6 +1145,15 @@ ice_rx_queue_setup(struct rte_eth_dev *dev, offloads = rx_conf->offloads | dev->data->dev_conf.rxmode.offloads; + if (mp) + n_seg = 1; + + if (n_seg > 1 && !(offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT)) { + PMD_INIT_LOG(ERR, "port %u queue index %u split offload not configured", + dev->data->port_id, queue_idx); + return -EINVAL; + } + /* Free memory if needed */ if (dev->data->rx_queues[queue_idx]) { ice_rx_queue_release(dev->data->rx_queues[queue_idx]); @@ -1098,12 +1165,23 @@ ice_rx_queue_setup(struct rte_eth_dev *dev, 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->rxseg_nb = n_seg; + if (n_seg > 1) { + RTE_ASSERT(n_seg <= ICE_RX_MAX_NSEG); + rte_memcpy(rxq->rxseg, rx_conf->rx_seg, + sizeof(struct rte_eth_rxseg_split) * n_seg); + rxq->mp = rxq->rxseg[0].mp; + } else { + rxq->mp = mp; + } + rxq->nb_rx_desc = nb_desc; rxq->rx_free_thresh = rx_conf->rx_free_thresh; rxq->queue_id = queue_idx; @@ -1570,7 +1648,7 @@ ice_rx_scan_hw_ring(struct ice_rx_queue *rxq) struct ice_rx_entry *rxep; struct rte_mbuf *mb; uint16_t stat_err0; - uint16_t pkt_len; + uint16_t pkt_len, hdr_len; int32_t s[ICE_LOOK_AHEAD], nb_dd; int32_t i, j, nb_rx = 0; uint64_t pkt_flags = 0; @@ -1625,6 +1703,27 @@ ice_rx_scan_hw_ring(struct ice_rx_queue *rxq) ICE_RX_FLX_DESC_PKT_LEN_M) - rxq->crc_len; mb->data_len = pkt_len; mb->pkt_len = pkt_len; + + if (!(rxq->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT)) { + 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; + } else { + mb->nb_segs = (uint16_t)(mb->nb_segs + mb->next->nb_segs); + mb->next->next = NULL; + hdr_len = rte_le_to_cpu_16(rxdp[j].wb.hdr_len_sph_flex_flags1) & + ICE_RX_FLEX_DESC_HEADER_LEN_M; + 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 = hdr_len; + mb->pkt_len = hdr_len + pkt_len; + mb->next->data_len = pkt_len; +#ifdef RTE_ETHDEV_DEBUG_RX + rte_pktmbuf_dump(stdout, mb, rte_pktmbuf_pkt_len(mb)); +#endif + } + 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); @@ -1716,7 +1815,9 @@ ice_rx_alloc_bufs(struct ice_rx_queue *rxq) struct rte_mbuf *mb; uint16_t alloc_idx, i; uint64_t dma_addr; - int diag; + int diag, diag_pay; + uint64_t pay_addr; + struct rte_mbuf *mbufs_pay[rxq->rx_free_thresh]; /* Allocate buffers in bulk */ alloc_idx = (uint16_t)(rxq->rx_free_trigger - @@ -1729,6 +1830,15 @@ ice_rx_alloc_bufs(struct ice_rx_queue *rxq) return -ENOMEM; } + if (rxq->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) { + diag_pay = rte_mempool_get_bulk(rxq->rxseg[1].mp, + (void *)mbufs_pay, rxq->rx_free_thresh); + if (unlikely(diag_pay != 0)) { + PMD_RX_LOG(ERR, "Failed to get payload 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))) @@ -1737,13 +1847,21 @@ ice_rx_alloc_bufs(struct ice_rx_queue *rxq) 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; + + if (!(rxq->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT)) { + mb->next = NULL; + rxdp[i].read.hdr_addr = 0; + rxdp[i].read.pkt_addr = dma_addr; + } else { + mb->next = mbufs_pay[i]; + pay_addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbufs_pay[i])); + rxdp[i].read.hdr_addr = dma_addr; + rxdp[i].read.pkt_addr = pay_addr; + } } /* Update Rx tail register */ @@ -2352,11 +2470,13 @@ ice_recv_pkts(void *rx_queue, struct ice_rx_entry *sw_ring = rxq->sw_ring; struct ice_rx_entry *rxe; struct rte_mbuf *nmb; /* new allocated mbuf */ + struct rte_mbuf *nmb_pay; /* new allocated payload 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_header_len; uint16_t rx_stat_err0; uint64_t dma_addr; uint64_t pkt_flags; @@ -2384,12 +2504,16 @@ ice_recv_pkts(void *rx_queue, if (!(rx_stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_DD_S))) break; - /* allocate mbuf */ + if (rx_stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_HBO_S)) + break; + + /* allocate header mbuf */ nmb = rte_mbuf_raw_alloc(rxq->mp); if (unlikely(!nmb)) { rxq->vsi->adapter->pf.dev_data->rx_mbuf_alloc_failed++; break; } + rxd = *rxdp; /* copy descriptor in ring to temp variable*/ nb_hold++; @@ -2402,24 +2526,60 @@ ice_recv_pkts(void *rx_queue, 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; + if (!(rxq->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT)) { + /** + * 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; + } else { + /* allocate payload mbuf */ + nmb_pay = rte_mbuf_raw_alloc(rxq->rxseg[1].mp); + if (unlikely(!nmb_pay)) { + rxq->vsi->adapter->pf.dev_data->rx_mbuf_alloc_failed++; + break; + } - /* 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; + nmb->next = nmb_pay; + nmb_pay->next = NULL; + + /** + * fill the read format of descriptor with physic address in + * new allocated mbuf: nmb + */ + rxdp->read.hdr_addr = dma_addr; + rxdp->read.pkt_addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(nmb_pay)); + } /* 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; + if (!(rxq->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT)) { + rxm->nb_segs = 1; + rxm->next = NULL; + /* 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; + rxm->data_len = rx_packet_len; + rxm->pkt_len = rx_packet_len; + } else { + rxm->nb_segs = (uint16_t)(rxm->nb_segs + rxm->next->nb_segs); + rxm->next->next = NULL; + /* calculate rx_packet_len of the received pkt */ + rx_header_len = rte_le_to_cpu_16(rxd.wb.hdr_len_sph_flex_flags1) & + ICE_RX_FLEX_DESC_HEADER_LEN_M; + rx_packet_len = (rte_le_to_cpu_16(rxd.wb.pkt_len) & + ICE_RX_FLX_DESC_PKT_LEN_M) - rxq->crc_len; + rxm->data_len = rx_header_len; + rxm->pkt_len = rx_header_len + rx_packet_len; + rxm->next->data_len = rx_packet_len; + +#ifdef RTE_ETHDEV_DEBUG_RX + rte_pktmbuf_dump(stdout, rxm, rte_pktmbuf_pkt_len(rxm)); +#endif + } + 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)]; diff --git a/drivers/net/ice/ice_rxtx.h b/drivers/net/ice/ice_rxtx.h index f5337d5284..d44bde3710 100644 --- a/drivers/net/ice/ice_rxtx.h +++ b/drivers/net/ice/ice_rxtx.h @@ -16,6 +16,9 @@ #define ICE_RX_MAX_BURST 32 #define ICE_TX_MAX_BURST 32 +/* Maximal number of segments to split. */ +#define ICE_RX_MAX_NSEG 2 + #define ICE_CHK_Q_ENA_COUNT 100 #define ICE_CHK_Q_ENA_INTERVAL_US 100 @@ -43,6 +46,11 @@ extern uint64_t ice_timestamp_dynflag; extern int ice_timestamp_dynfield_offset; +/* Max header size can be 2K - 64 bytes */ +#define ICE_RX_HDR_BUF_SIZE (2048 - 64) + +#define ICE_HEADER_SPLIT_ENA BIT(0) + typedef void (*ice_rx_release_mbufs_t)(struct ice_rx_queue *rxq); typedef void (*ice_tx_release_mbufs_t)(struct ice_tx_queue *txq); typedef void (*ice_rxd_to_pkt_fields_t)(struct ice_rx_queue *rxq, @@ -53,6 +61,12 @@ struct ice_rx_entry { struct rte_mbuf *mbuf; }; +enum ice_rx_dtype { + ICE_RX_DTYPE_NO_SPLIT = 0, + ICE_RX_DTYPE_HEADER_SPLIT = 1, + ICE_RX_DTYPE_SPLIT_ALWAYS = 2, +}; + struct ice_rx_queue { struct rte_mempool *mp; /* mbuf pool to populate RX ring */ volatile union ice_rx_flex_desc *rx_ring;/* RX ring virtual address */ @@ -98,6 +112,8 @@ struct ice_rx_queue { uint32_t hw_time_high; /* high 32 bits of timestamp */ uint32_t hw_time_low; /* low 32 bits of timestamp */ uint64_t hw_time_update; /* SW time of HW record updating */ + struct rte_eth_rxseg_split rxseg[ICE_RX_MAX_NSEG]; + uint32_t rxseg_nb; }; struct ice_tx_entry { diff --git a/drivers/net/ice/ice_rxtx_vec_common.h b/drivers/net/ice/ice_rxtx_vec_common.h index 2dd2d83650..eec6ea2134 100644 --- a/drivers/net/ice/ice_rxtx_vec_common.h +++ b/drivers/net/ice/ice_rxtx_vec_common.h @@ -291,6 +291,9 @@ ice_rx_vec_queue_default(struct ice_rx_queue *rxq) if (rxq->offloads & RTE_ETH_RX_OFFLOAD_TIMESTAMP) return -1; + if (rxq->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) + return -1; + if (rxq->offloads & ICE_RX_VECTOR_OFFLOAD) return ICE_VECTOR_OFFLOAD_PATH; -- 2.25.1