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GET /api/patches/130803/?format=api
{ "id": 130803, "url": "https://patches.dpdk.org/api/patches/130803/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20230829075829.208413-24-wanry@3snic.com/", "project": { "id": 1, "url": "https://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20230829075829.208413-24-wanry@3snic.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20230829075829.208413-24-wanry@3snic.com", "date": "2023-08-29T07:58:20", "name": "[23/32] net/sssnic: support Rx packet burst", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "6690a3b670a09c555b7180207e601ea3a114971c", "submitter": { "id": 3119, "url": "https://patches.dpdk.org/api/people/3119/?format=api", "name": "Renyong Wan", "email": "wanry@3snic.com" }, "delegate": { "id": 1, "url": "https://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20230829075829.208413-24-wanry@3snic.com/mbox/", "series": [ { "id": 29358, "url": "https://patches.dpdk.org/api/series/29358/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=29358", "date": "2023-08-29T07:57:57", "name": "Introduce sssnic PMD for 3SNIC's 9x0 serials Ethernet adapters", "version": 1, "mbox": "https://patches.dpdk.org/series/29358/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/130803/comments/", "check": "warning", "checks": "https://patches.dpdk.org/api/patches/130803/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id B225F41F53;\n\tTue, 29 Aug 2023 10:01:43 +0200 (CEST)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 2D4A3402A2;\n\tTue, 29 Aug 2023 10:00:26 +0200 (CEST)", "from VLXDG1SPAM1.ramaxel.com (email.ramaxel.com [221.4.138.186])\n by mails.dpdk.org (Postfix) with ESMTP id 422E8402E4\n for <dev@dpdk.org>; Tue, 29 Aug 2023 10:00:23 +0200 (CEST)", "from V12DG1MBS03.ramaxel.local ([172.26.18.33])\n by VLXDG1SPAM1.ramaxel.com with ESMTP id 37T7wbmC080463;\n Tue, 29 Aug 2023 15:59:30 +0800 (GMT-8)\n (envelope-from wanry@3snic.com)", "from localhost.localdomain (10.64.136.151) by\n V12DG1MBS03.ramaxel.local (172.26.18.33) with Microsoft SMTP Server\n (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id\n 15.1.2375.17; Tue, 29 Aug 2023 15:58:46 +0800" ], "From": "<wanry@3snic.com>", "To": "<dev@dpdk.org>", "CC": "<ferruh.yigit@amd.com>, Renyong Wan <wanry@3snic.com>, Steven Song\n <steven.song@3snic.com>", "Subject": "[PATCH 23/32] net/sssnic: support Rx packet burst", "Date": "Tue, 29 Aug 2023 15:58:20 +0800", "Message-ID": "<20230829075829.208413-24-wanry@3snic.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20230829075829.208413-1-wanry@3snic.com>", "References": "<20230829075829.208413-1-wanry@3snic.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "7bit", "Content-Type": "text/plain", "X-Originating-IP": "[10.64.136.151]", "X-ClientProxiedBy": "V12DG1MBS03.ramaxel.local (172.26.18.33) To\n V12DG1MBS03.ramaxel.local (172.26.18.33)", "X-DNSRBL": "", "X-SPAM-SOURCE-CHECK": "pass", "X-MAIL": "VLXDG1SPAM1.ramaxel.com 37T7wbmC080463", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org" }, "content": "From: Renyong Wan <wanry@3snic.com>\n\nSigned-off-by: Steven Song <steven.song@3snic.com>\nSigned-off-by: Renyong Wan <wanry@3snic.com>\n---\n doc/guides/nics/features/sssnic.ini | 2 +\n drivers/net/sssnic/sssnic_ethdev.c | 2 +\n drivers/net/sssnic/sssnic_ethdev_rx.c | 167 ++++++++++++++++++++++++++\n drivers/net/sssnic/sssnic_ethdev_rx.h | 2 +\n 4 files changed, 173 insertions(+)", "diff": "diff --git a/doc/guides/nics/features/sssnic.ini b/doc/guides/nics/features/sssnic.ini\nindex aba0b78c95..320ac4533d 100644\n--- a/doc/guides/nics/features/sssnic.ini\n+++ b/doc/guides/nics/features/sssnic.ini\n@@ -8,6 +8,8 @@ Link status = Y\n Link status event = Y\n Queue start/stop = Y\n Rx interrupt = Y\n+Scattered Rx = Y\n+LRO = Y\n Promiscuous mode = Y\n Allmulticast mode = Y\n Unicast MAC filter = Y\ndiff --git a/drivers/net/sssnic/sssnic_ethdev.c b/drivers/net/sssnic/sssnic_ethdev.c\nindex 5503cbd902..faaa1258f3 100644\n--- a/drivers/net/sssnic/sssnic_ethdev.c\n+++ b/drivers/net/sssnic/sssnic_ethdev.c\n@@ -770,6 +770,8 @@ sssnic_ethdev_init(struct rte_eth_dev *ethdev)\n \tif (rte_eal_process_type() != RTE_PROC_PRIMARY)\n \t\treturn 0;\n \n+\tethdev->rx_pkt_burst = sssnic_ethdev_rx_pkt_burst;\n+\n \tnetdev = SSSNIC_ETHDEV_PRIVATE(ethdev);\n \tpci_dev = RTE_ETH_DEV_TO_PCI(ethdev);\n \thw = rte_zmalloc(\"sssnic_hw\", sizeof(struct sssnic_hw), 0);\ndiff --git a/drivers/net/sssnic/sssnic_ethdev_rx.c b/drivers/net/sssnic/sssnic_ethdev_rx.c\nindex d6e8940593..d9f9883339 100644\n--- a/drivers/net/sssnic/sssnic_ethdev_rx.c\n+++ b/drivers/net/sssnic/sssnic_ethdev_rx.c\n@@ -1184,3 +1184,170 @@ sssnic_ethdev_rx_queue_stats_clear(struct rte_eth_dev *ethdev, uint16_t qid)\n \t\tmemset(&rxq->stats, 0, sizeof(rxq->stats));\n \t}\n };\n+\n+static inline void\n+sssnic_ethdev_rx_csum_offload(struct sssnic_ethdev_rxq *rxq,\n+\tstruct rte_mbuf *rxm, volatile struct sssnic_ethdev_rx_desc *rxd)\n+{\n+\t/* no errors */\n+\tif (likely(rxd->status_err == 0)) {\n+\t\trxm->ol_flags |= RTE_MBUF_F_RX_IP_CKSUM_GOOD |\n+\t\t\t\t RTE_MBUF_F_RX_L4_CKSUM_GOOD;\n+\t\treturn;\n+\t}\n+\n+\t/* bypass hw crc error*/\n+\tif (unlikely(rxd->hw_crc_err)) {\n+\t\trxm->ol_flags |= RTE_MBUF_F_RX_IP_CKSUM_UNKNOWN;\n+\t\treturn;\n+\t}\n+\n+\tif (rxd->ip_csum_err) {\n+\t\trxm->ol_flags |= RTE_MBUF_F_RX_IP_CKSUM_BAD;\n+\t\trxq->stats.csum_errors++;\n+\t}\n+\n+\tif (rxd->tcp_csum_err || rxd->udp_csum_err || rxd->sctp_crc_err) {\n+\t\trxm->ol_flags |= RTE_MBUF_F_RX_L4_CKSUM_BAD;\n+\t\trxq->stats.csum_errors++;\n+\t}\n+\n+\tif (unlikely(rxd->other_err))\n+\t\trxq->stats.other_errors++;\n+}\n+\n+static inline void\n+sssnic_ethdev_rx_vlan_offload(struct rte_mbuf *rxm,\n+\tvolatile struct sssnic_ethdev_rx_desc *rxd)\n+{\n+\tif (rxd->vlan_en == 0 || rxd->vlan == 0) {\n+\t\trxm->vlan_tci = 0;\n+\t\treturn;\n+\t}\n+\n+\trxm->vlan_tci = rxd->vlan;\n+\trxm->ol_flags |= RTE_MBUF_F_RX_VLAN | RTE_MBUF_F_RX_VLAN_STRIPPED;\n+}\n+\n+static inline void\n+sssnic_ethdev_rx_segments(struct sssnic_ethdev_rxq *rxq, struct rte_mbuf *head,\n+\tuint32_t remain_size)\n+{\n+\tstruct sssnic_ethdev_rx_entry *rxe;\n+\tstruct rte_mbuf *curr, *prev = head;\n+\tuint16_t rx_buf_size = rxq->rx_buf_size;\n+\tuint16_t ci;\n+\tuint32_t rx_size;\n+\n+\twhile (remain_size > 0) {\n+\t\tci = sssnic_ethdev_rxq_ci_get(rxq);\n+\t\trxe = &rxq->rxe[ci];\n+\t\tcurr = rxe->pktmbuf;\n+\n+\t\tsssnic_ethdev_rxq_consume(rxq, 1);\n+\n+\t\trx_size = RTE_MIN(remain_size, rx_buf_size);\n+\t\tremain_size -= rx_size;\n+\n+\t\tcurr->data_len = rx_size;\n+\t\tcurr->next = NULL;\n+\t\tprev->next = curr;\n+\t\tprev = curr;\n+\t\thead->nb_segs++;\n+\t}\n+}\n+\n+uint16_t\n+sssnic_ethdev_rx_pkt_burst(void *rx_queue, struct rte_mbuf **rx_pkts,\n+\tuint16_t nb_pkts)\n+{\n+\tstruct sssnic_ethdev_rxq *rxq = (struct sssnic_ethdev_rxq *)rx_queue;\n+\tstruct sssnic_ethdev_rx_entry *rxe;\n+\tstruct rte_mbuf *rxm;\n+\tstruct sssnic_ethdev_rx_desc *rxd, rx_desc;\n+\tuint16_t ci, idle_entries;\n+\tuint16_t rx_buf_size;\n+\tuint32_t rx_size;\n+\tuint64_t nb_rx = 0;\n+\tuint64_t rx_bytes = 0;\n+\n+\tci = sssnic_ethdev_rxq_ci_get(rxq);\n+\trx_buf_size = rxq->rx_buf_size;\n+\trxd = &rx_desc;\n+\n+\twhile (nb_rx < nb_pkts) {\n+\t\trxd->dword0 = __atomic_load_n(&rxq->desc[ci].dword0,\n+\t\t\t__ATOMIC_ACQUIRE);\n+\t\t/* check rx done */\n+\t\tif (!rxd->done)\n+\t\t\tbreak;\n+\n+\t\trxd->dword1 = rxq->desc[ci].dword1;\n+\t\trxd->dword2 = rxq->desc[ci].dword2;\n+\t\trxd->dword3 = rxq->desc[ci].dword3;\n+\n+\t\t/* reset rx desc status */\n+\t\trxq->desc[ci].dword0 = 0;\n+\n+\t\t/* get current pktmbuf */\n+\t\trxe = &rxq->rxe[ci];\n+\t\trxm = rxe->pktmbuf;\n+\n+\t\t/* prefetch next packet */\n+\t\tsssnic_ethdev_rxq_consume(rxq, 1);\n+\t\tci = sssnic_ethdev_rxq_ci_get(rxq);\n+\t\trte_prefetch0(rxq->rxe[ci].pktmbuf);\n+\n+\t\t/* set pktmbuf len */\n+\t\trx_size = rxd->len;\n+\t\trxm->pkt_len = rx_size;\n+\t\tif (likely(rx_size <= rx_buf_size)) {\n+\t\t\trxm->data_len = rx_size;\n+\t\t} else {\n+\t\t\trxm->data_len = rx_buf_size;\n+\t\t\tsssnic_ethdev_rx_segments(rxq, rxm,\n+\t\t\t\trx_size - rx_buf_size);\n+\t\t}\n+\t\trxm->data_off = RTE_PKTMBUF_HEADROOM;\n+\t\trxm->port = rxq->port;\n+\n+\t\t/* process checksum offload*/\n+\t\tsssnic_ethdev_rx_csum_offload(rxq, rxm, rxd);\n+\n+\t\t/* process vlan offload */\n+\t\tsssnic_ethdev_rx_vlan_offload(rxm, rxd);\n+\n+\t\t/* process lro */\n+\t\tif (unlikely(rxd->lro_num != 0)) {\n+\t\t\trxm->ol_flags |= RTE_MBUF_F_RX_LRO;\n+\t\t\trxm->tso_segsz = rx_size / rxd->lro_num;\n+\t\t}\n+\n+\t\t/* process RSS offload */\n+\t\tif (likely(rxd->rss_type != 0)) {\n+\t\t\trxm->hash.rss = rxd->rss_hash;\n+\t\t\trxm->ol_flags |= RTE_MBUF_F_RX_RSS_HASH;\n+\t\t}\n+\n+\t\trx_pkts[nb_rx++] = rxm;\n+\t\trx_bytes += rx_size;\n+\n+\t\tSSSNIC_RX_LOG(DEBUG,\n+\t\t\t\"Received one packet on port %u, len=%u, nb_seg=%u, tso_segsz=%u, ol_flags=%x\",\n+\t\t\trxq->port, rxm->pkt_len, rxm->nb_segs, rxm->tso_segsz,\n+\t\t\trxm->ol_flags);\n+\t}\n+\n+\tif (nb_rx > 0) {\n+\t\trxq->stats.packets += nb_rx;\n+\t\trxq->stats.bytes += rx_bytes;\n+\t\trxq->stats.burst = nb_rx;\n+\n+\t\t/* refill packet mbuf */\n+\t\tidle_entries = sssnic_ethdev_rxq_num_idle_entries(rxq) - 1;\n+\t\tif (idle_entries >= rxq->rx_free_thresh)\n+\t\t\tsssnic_ethdev_rxq_pktmbufs_fill(rxq);\n+\t}\n+\n+\treturn nb_rx;\n+}\ndiff --git a/drivers/net/sssnic/sssnic_ethdev_rx.h b/drivers/net/sssnic/sssnic_ethdev_rx.h\nindex 5532aced4e..b0b35dee73 100644\n--- a/drivers/net/sssnic/sssnic_ethdev_rx.h\n+++ b/drivers/net/sssnic/sssnic_ethdev_rx.h\n@@ -42,5 +42,7 @@ int sssnic_ethdev_rx_queue_stats_get(struct rte_eth_dev *ethdev, uint16_t qid,\n \tstruct sssnic_ethdev_rxq_stats *stats);\n void sssnic_ethdev_rx_queue_stats_clear(struct rte_eth_dev *ethdev,\n \tuint16_t qid);\n+uint16_t sssnic_ethdev_rx_pkt_burst(void *rx_queue, struct rte_mbuf **rx_pkts,\n+\tuint16_t nb_pkts);\n \n #endif\n", "prefixes": [ "23/32" ] }