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 0B51B4659A; Tue, 15 Apr 2025 14:12:24 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 1245040695; Tue, 15 Apr 2025 14:12:23 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by mails.dpdk.org (Postfix) with ESMTP id D290940684 for ; Tue, 15 Apr 2025 14:12:21 +0200 (CEST) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 53F9e8cU001145; Tue, 15 Apr 2025 05:12:21 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=pfpt0220; bh=a iI6yZLTgIKp2Ma6r1ub2rnXYRjQ7krl8HFisTXi7SM=; b=KUczBp9c++4DICqCz 3q/psN7JDs1mG+8i1qWdWSF0RtIvEhDYlbeXMO8MWM/nj3yTR+Oj0J1fv9lpP/NO WHRXZ5ZJ9ZgszGlnkIkKIPE4wpNiJymi04Hbmv67rIcaSrz/nuqy2OXQiLI0QNPx WMJVrWIT3WC/bfBHPESeROFORSJTpdNtsCSE5PT230ARdMqkSunNphPEmK+9i/7n t9DrtjdYLsIxysQ/0G+57l/77LJD3JAM7Zdj3323f+xoqcSQgGTyGYo6gEyFytH1 bKiHiCdMXwjIIKMzS9OfRvjBrOq1xR5AaXiFM61bjaWloJ4fsj8nVbzgSSJMykMa fFl6Q== Received: from dc5-exch05.marvell.com ([199.233.59.128]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 45yqpjeebq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 15 Apr 2025 05:12:21 -0700 (PDT) Received: from DC5-EXCH05.marvell.com (10.69.176.209) by DC5-EXCH05.marvell.com (10.69.176.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Tue, 15 Apr 2025 05:12:19 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH05.marvell.com (10.69.176.209) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Tue, 15 Apr 2025 05:12:19 -0700 Received: from localhost.localdomain (unknown [10.28.36.185]) by maili.marvell.com (Postfix) with ESMTP id 12658673A0; Tue, 15 Apr 2025 05:12:16 -0700 (PDT) From: Ankur Dwivedi To: CC: , , , , , , Ankur Dwivedi Subject: [PATCH v1 10/12] node: add process callback for IP6 FIB Date: Tue, 15 Apr 2025 17:40:50 +0530 Message-ID: <20250415121052.1497155-11-adwivedi@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250415121052.1497155-1-adwivedi@marvell.com> References: <20250415121052.1497155-1-adwivedi@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-ORIG-GUID: uYucyIPFgWnMmbhT2RKreSGfajIqBHCM X-Authority-Analysis: v=2.4 cv=ZOvXmW7b c=1 sm=1 tr=0 ts=67fe4d25 cx=c_pps a=rEv8fa4AjpPjGxpoe8rlIQ==:117 a=rEv8fa4AjpPjGxpoe8rlIQ==:17 a=XR8D0OoHHMoA:10 a=M5GUcnROAAAA:8 a=HgU-b89uhFXLxWSzcvEA:9 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-GUID: uYucyIPFgWnMmbhT2RKreSGfajIqBHCM X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-15_05,2025-04-10_01,2024-11-22_01 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 Adds the process callback function for ip6_lookup_fib node. Signed-off-by: Ankur Dwivedi --- lib/node/ip6_lookup_fib.c | 158 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 158 insertions(+) diff --git a/lib/node/ip6_lookup_fib.c b/lib/node/ip6_lookup_fib.c index caf3e9d1fa..6ad975dddb 100644 --- a/lib/node/ip6_lookup_fib.c +++ b/lib/node/ip6_lookup_fib.c @@ -40,6 +40,163 @@ static struct ip6_lookup_fib_node_main ip6_lookup_fib_nm; #define IP6_LOOKUP_FIB_NODE_PRIV1_OFF(ctx) \ (((struct ip6_lookup_fib_node_ctx *)ctx)->mbuf_priv1_off) +static uint16_t +ip6_lookup_fib_node_process(struct rte_graph *graph, struct rte_node *node, void **objs, + uint16_t nb_objs) +{ + struct rte_mbuf *mbuf0, *mbuf1, *mbuf2, *mbuf3, **pkts; + struct rte_fib6 *fib = IP6_LOOKUP_FIB_NODE(node->ctx); + const int dyn = IP6_LOOKUP_FIB_NODE_PRIV1_OFF(node->ctx); + struct rte_ipv6_addr ip[nb_objs]; + struct rte_ipv6_hdr *ipv6_hdr; + uint64_t next_hop[nb_objs]; + uint16_t lookup_err = 0; + void **to_next, **from; + uint16_t last_spec = 0; + rte_edge_t next_index; + uint16_t n_left_from; + uint16_t held = 0; + uint32_t drop_nh; + uint16_t next; + int i, rc; + + /* Speculative next */ + next_index = RTE_NODE_IP6_LOOKUP_NEXT_REWRITE; + /* Drop node */ + drop_nh = ((uint32_t)RTE_NODE_IP6_LOOKUP_NEXT_PKT_DROP) << 16; + + pkts = (struct rte_mbuf **)objs; + from = objs; + n_left_from = nb_objs; + + /* Get stream for the speculated next node */ + to_next = rte_node_next_stream_get(graph, node, next_index, nb_objs); + + for (i = OBJS_PER_CLINE; i < RTE_GRAPH_BURST_SIZE; i += OBJS_PER_CLINE) + rte_prefetch0(&objs[i]); + +#if RTE_GRAPH_BURST_SIZE > 64 + for (i = 0; i < 4 && i < n_left_from; i++) { + rte_prefetch0(pkts[i]); + rte_prefetch0(rte_pktmbuf_mtod_offset(pkts[i], void *, + sizeof(struct rte_ether_hdr))); + } +#endif + + i = 0; + while (n_left_from >= 4) { +#if RTE_GRAPH_BURST_SIZE > 64 + if (likely(n_left_from > 7)) { + rte_prefetch0(pkts[4]); + rte_prefetch0(rte_pktmbuf_mtod_offset(pkts[4], void *, + sizeof(struct rte_ether_hdr))); + rte_prefetch0(pkts[5]); + rte_prefetch0(rte_pktmbuf_mtod_offset(pkts[5], void *, + sizeof(struct rte_ether_hdr))); + rte_prefetch0(pkts[6]); + rte_prefetch0(rte_pktmbuf_mtod_offset(pkts[6], void *, + sizeof(struct rte_ether_hdr))); + rte_prefetch0(pkts[7]); + rte_prefetch0(rte_pktmbuf_mtod_offset(pkts[7], void *, + sizeof(struct rte_ether_hdr))); + } +#endif + + mbuf0 = pkts[0]; + mbuf1 = pkts[1]; + mbuf2 = pkts[2]; + mbuf3 = pkts[3]; + pkts += 4; + n_left_from -= 4; + /* Extract DIP of mbuf0 */ + ipv6_hdr = rte_pktmbuf_mtod_offset(mbuf0, struct rte_ipv6_hdr *, + sizeof(struct rte_ether_hdr)); + /* Extract hop_limits as ipv6 hdr is in cache */ + node_mbuf_priv1(mbuf0, dyn)->ttl = ipv6_hdr->hop_limits; + + ip[i++] = ipv6_hdr->dst_addr; + + /* Extract DIP of mbuf1 */ + ipv6_hdr = rte_pktmbuf_mtod_offset(mbuf1, struct rte_ipv6_hdr *, + sizeof(struct rte_ether_hdr)); + /* Extract hop_limits as ipv6 hdr is in cache */ + node_mbuf_priv1(mbuf1, dyn)->ttl = ipv6_hdr->hop_limits; + + ip[i++] = ipv6_hdr->dst_addr; + + /* Extract DIP of mbuf2 */ + ipv6_hdr = rte_pktmbuf_mtod_offset(mbuf2, struct rte_ipv6_hdr *, + sizeof(struct rte_ether_hdr)); + /* Extract hop_limits as ipv6 hdr is in cache */ + node_mbuf_priv1(mbuf2, dyn)->ttl = ipv6_hdr->hop_limits; + + ip[i++] = ipv6_hdr->dst_addr; + + /* Extract DIP of mbuf3 */ + ipv6_hdr = rte_pktmbuf_mtod_offset(mbuf3, struct rte_ipv6_hdr *, + sizeof(struct rte_ether_hdr)); + /* Extract hop_limits as ipv6 hdr is in cache */ + node_mbuf_priv1(mbuf3, dyn)->ttl = ipv6_hdr->hop_limits; + + ip[i++] = ipv6_hdr->dst_addr; + } + while (n_left_from > 0) { + mbuf0 = pkts[0]; + pkts += 1; + n_left_from -= 1; + + /* Extract DIP of mbuf0 */ + ipv6_hdr = rte_pktmbuf_mtod_offset(mbuf0, struct rte_ipv6_hdr *, + sizeof(struct rte_ether_hdr)); + /* Extract hop_limits as ipv6 hdr is in cache */ + node_mbuf_priv1(mbuf0, dyn)->ttl = ipv6_hdr->hop_limits; + + ip[i++] = ipv6_hdr->dst_addr; + } + + rc = rte_fib6_lookup_bulk(fib, ip, next_hop, nb_objs); + if (unlikely(rc != 0)) + return 0; + + for (i = 0; i < nb_objs; i++) { + if (unlikely(next_hop[i] == FIB6_DEFAULT_NH)) { + next_hop[i] = drop_nh; + lookup_err += 1; + } + + mbuf0 = (struct rte_mbuf *)objs[i]; + node_mbuf_priv1(mbuf0, dyn)->nh = (uint16_t)next_hop[i]; + next = (uint16_t)(next_hop[i] >> 16); + + if (unlikely(next_index ^ next)) { + /* Copy things successfully speculated till now */ + rte_memcpy(to_next, from, last_spec * sizeof(from[0])); + from += last_spec; + to_next += last_spec; + held += last_spec; + last_spec = 0; + + rte_node_enqueue_x1(graph, node, next, from[0]); + from += 1; + } else { + last_spec += 1; + } + } + + /* !!! Home run !!! */ + if (likely(last_spec == nb_objs)) { + rte_node_next_stream_move(graph, node, next_index); + return nb_objs; + } + + NODE_INCREMENT_XSTAT_ID(node, 0, lookup_err != 0, lookup_err); + held += last_spec; + rte_memcpy(to_next, from, last_spec * sizeof(from[0])); + rte_node_next_stream_put(graph, node, next_index, held); + + return nb_objs; +} + RTE_EXPORT_EXPERIMENTAL_SYMBOL(rte_node_ip6_fib_route_add, 25.07) int rte_node_ip6_fib_route_add(const struct rte_ipv6_addr *ip, uint8_t depth, uint16_t next_hop, @@ -143,6 +300,7 @@ static struct rte_node_xstats ip6_lookup_fib_xstats = { }; static struct rte_node_register ip6_lookup_fib_node = { + .process = ip6_lookup_fib_node_process, .name = "ip6_lookup_fib", .init = ip6_lookup_fib_node_init, -- 2.25.1