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From: Chaoyong He <chaoyong.he@corigine.com>
To: dev@dpdk.org
Cc: oss-drivers@corigine.com, niklas.soderlund@corigine.com,
	Chaoyong He <chaoyong.he@corigine.com>
Subject: [PATCH v2 08/24] net/nfp: add the offload support of IPv6 item
Date: Mon, 10 Oct 2022 14:08:46 +0800	[thread overview]
Message-ID: <1665382142-21684-9-git-send-email-chaoyong.he@corigine.com> (raw)
In-Reply-To: <1665382142-21684-1-git-send-email-chaoyong.he@corigine.com>

Add the corresponding data structure and logics, to support
the offload of IPv6 item.

Signed-off-by: Chaoyong He <chaoyong.he@corigine.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com>
---
 doc/guides/nics/features/nfp.ini         |  2 +
 doc/guides/rel_notes/release_22_11.rst   |  1 +
 drivers/net/nfp/flower/nfp_flower_cmsg.h | 33 +++++++++++++++
 drivers/net/nfp/nfp_flow.c               | 73 +++++++++++++++++++++++++++++++-
 4 files changed, 107 insertions(+), 2 deletions(-)

diff --git a/doc/guides/nics/features/nfp.ini b/doc/guides/nics/features/nfp.ini
index d4ceae0..9dff34b 100644
--- a/doc/guides/nics/features/nfp.ini
+++ b/doc/guides/nics/features/nfp.ini
@@ -29,6 +29,8 @@ Usage doc            = Y
 [rte_flow items]
 eth                  = Y
 ipv4                 = Y
+ipv6                 = Y
+ipv6_frag_ext        = Y
 port_id              = Y
 vlan                 = Y
 
diff --git a/doc/guides/rel_notes/release_22_11.rst b/doc/guides/rel_notes/release_22_11.rst
index 8de49df..5039a6f 100644
--- a/doc/guides/rel_notes/release_22_11.rst
+++ b/doc/guides/rel_notes/release_22_11.rst
@@ -156,6 +156,7 @@ New Features
     * Ethernet
     * Single VLAN
     * IPv4
+    * IPv6
 
   Add the support of rte_flow actions as follow:
 
diff --git a/drivers/net/nfp/flower/nfp_flower_cmsg.h b/drivers/net/nfp/flower/nfp_flower_cmsg.h
index 5964ecf..36d406f 100644
--- a/drivers/net/nfp/flower/nfp_flower_cmsg.h
+++ b/drivers/net/nfp/flower/nfp_flower_cmsg.h
@@ -291,6 +291,39 @@ struct nfp_flower_ipv4 {
 	rte_be32_t ipv4_dst;
 };
 
+/*
+ * L3 IPv6 details (10W/40B)
+ *    3                   2                   1
+ *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |    DSCP   |ECN|   protocol    |      ttl      |     flags     |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |   ipv6_exthdr   | res |            ipv6_flow_label            |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                  ipv6_addr_src,   31 - 0                      |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                  ipv6_addr_src,  63 - 32                      |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                  ipv6_addr_src,  95 - 64                      |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                  ipv6_addr_src, 127 - 96                      |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                  ipv6_addr_dst,   31 - 0                      |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                  ipv6_addr_dst,  63 - 32                      |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                  ipv6_addr_dst,  95 - 64                      |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                  ipv6_addr_dst, 127 - 96                      |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+struct nfp_flower_ipv6 {
+	struct nfp_flower_ip_ext ip_ext;
+	rte_be32_t ipv6_flow_label_exthdr;
+	uint8_t ipv6_src[16];
+	uint8_t ipv6_dst[16];
+};
+
 struct nfp_fl_act_head {
 	uint8_t jump_id;
 	uint8_t len_lw;
diff --git a/drivers/net/nfp/nfp_flow.c b/drivers/net/nfp/nfp_flow.c
index 810f2d7..5b78110 100644
--- a/drivers/net/nfp/nfp_flow.c
+++ b/drivers/net/nfp/nfp_flow.c
@@ -539,6 +539,11 @@ struct nfp_mask_id_entry {
 			key_ls->key_layer |= NFP_FLOWER_LAYER_IPV4;
 			key_ls->key_size += sizeof(struct nfp_flower_ipv4);
 			break;
+		case RTE_FLOW_ITEM_TYPE_IPV6:
+			PMD_DRV_LOG(DEBUG, "RTE_FLOW_ITEM_TYPE_IPV6 detected");
+			key_ls->key_layer |= NFP_FLOWER_LAYER_IPV6;
+			key_ls->key_size += sizeof(struct nfp_flower_ipv6);
+			break;
 		default:
 			PMD_DRV_LOG(ERR, "Item type %d not supported.", item->type);
 			return -ENOTSUP;
@@ -723,6 +728,51 @@ struct nfp_mask_id_entry {
 	return 0;
 }
 
+static int
+nfp_flow_merge_ipv6(struct rte_flow *nfp_flow,
+		char **mbuf_off,
+		const struct rte_flow_item *item,
+		const struct nfp_flow_item_proc *proc,
+		bool is_mask)
+{
+	struct nfp_flower_ipv6 *ipv6;
+	const struct rte_ipv6_hdr *hdr;
+	struct nfp_flower_meta_tci *meta_tci;
+	const struct rte_flow_item_ipv6 *spec;
+	const struct rte_flow_item_ipv6 *mask;
+
+	spec = item->spec;
+	mask = item->mask ? item->mask : proc->mask_default;
+	meta_tci = (struct nfp_flower_meta_tci *)nfp_flow->payload.unmasked_data;
+
+	if (spec == NULL) {
+		PMD_DRV_LOG(DEBUG, "nfp flow merge ipv6: no item->spec!");
+		goto ipv6_end;
+	}
+
+	/*
+	 * reserve space for L4 info.
+	 * rte_flow has ipv4 before L4 but NFP flower fw requires L4 before ipv4
+	 */
+	if (meta_tci->nfp_flow_key_layer & NFP_FLOWER_LAYER_TP)
+		*mbuf_off += sizeof(struct nfp_flower_tp_ports);
+
+	hdr = is_mask ? &mask->hdr : &spec->hdr;
+	ipv6 = (struct nfp_flower_ipv6 *)*mbuf_off;
+
+	ipv6->ip_ext.tos   = (hdr->vtc_flow & RTE_IPV6_HDR_TC_MASK) >>
+			RTE_IPV6_HDR_TC_SHIFT;
+	ipv6->ip_ext.proto = hdr->proto;
+	ipv6->ip_ext.ttl   = hdr->hop_limits;
+	memcpy(ipv6->ipv6_src, hdr->src_addr, sizeof(ipv6->ipv6_src));
+	memcpy(ipv6->ipv6_dst, hdr->dst_addr, sizeof(ipv6->ipv6_dst));
+
+ipv6_end:
+	*mbuf_off += sizeof(struct nfp_flower_ipv6);
+
+	return 0;
+}
+
 /* Graph of supported items and associated process function */
 static const struct nfp_flow_item_proc nfp_flow_item_proc_list[] = {
 	[RTE_FLOW_ITEM_TYPE_END] = {
@@ -730,7 +780,8 @@ struct nfp_mask_id_entry {
 	},
 	[RTE_FLOW_ITEM_TYPE_ETH] = {
 		.next_item = NEXT_ITEM(RTE_FLOW_ITEM_TYPE_VLAN,
-			RTE_FLOW_ITEM_TYPE_IPV4),
+			RTE_FLOW_ITEM_TYPE_IPV4,
+			RTE_FLOW_ITEM_TYPE_IPV6),
 		.mask_support = &(const struct rte_flow_item_eth){
 			.hdr = {
 				.dst_addr.addr_bytes = "\xff\xff\xff\xff\xff\xff",
@@ -744,7 +795,8 @@ struct nfp_mask_id_entry {
 		.merge = nfp_flow_merge_eth,
 	},
 	[RTE_FLOW_ITEM_TYPE_VLAN] = {
-		.next_item = NEXT_ITEM(RTE_FLOW_ITEM_TYPE_IPV4),
+		.next_item = NEXT_ITEM(RTE_FLOW_ITEM_TYPE_IPV4,
+			RTE_FLOW_ITEM_TYPE_IPV6),
 		.mask_support = &(const struct rte_flow_item_vlan){
 			.hdr = {
 				.vlan_tci  = RTE_BE16(0xefff),
@@ -771,6 +823,23 @@ struct nfp_mask_id_entry {
 		.mask_sz = sizeof(struct rte_flow_item_ipv4),
 		.merge = nfp_flow_merge_ipv4,
 	},
+	[RTE_FLOW_ITEM_TYPE_IPV6] = {
+		.mask_support = &(const struct rte_flow_item_ipv6){
+			.hdr = {
+				.vtc_flow   = RTE_BE32(0x0ff00000),
+				.proto      = 0xff,
+				.hop_limits = 0xff,
+				.src_addr   = "\xff\xff\xff\xff\xff\xff\xff\xff"
+					"\xff\xff\xff\xff\xff\xff\xff\xff",
+				.dst_addr   = "\xff\xff\xff\xff\xff\xff\xff\xff"
+					"\xff\xff\xff\xff\xff\xff\xff\xff",
+			},
+			.has_frag_ext = 1,
+		},
+		.mask_default = &rte_flow_item_ipv6_mask,
+		.mask_sz = sizeof(struct rte_flow_item_ipv6),
+		.merge = nfp_flow_merge_ipv6,
+	},
 };
 
 static int
-- 
1.8.3.1


  parent reply	other threads:[~2022-10-10  6:10 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-10  6:08 [PATCH v2 00/24] add the basic rte_flow offload support of nfp PMD Chaoyong He
2022-10-10  6:08 ` [PATCH v2 01/24] net/nfp: add the stats process logic in ctrl VNIC service Chaoyong He
2022-10-10 14:48   ` Ferruh Yigit
2022-10-10  6:08 ` [PATCH v2 02/24] net/nfp: add the structures and functions for flow offload Chaoyong He
2022-10-10 14:49   ` Ferruh Yigit
2022-10-19  2:50     ` Chaoyong He
2022-10-19 10:48       ` Ferruh Yigit
2022-10-10  6:08 ` [PATCH v2 03/24] net/nfp: add the flow APIs of nfp PMD Chaoyong He
2022-10-10 14:51   ` Ferruh Yigit
2022-10-19  3:00     ` Chaoyong He
2022-10-19 11:11       ` Ferruh Yigit
2022-10-19 11:30         ` Chaoyong He
2022-10-19 11:38           ` Ferruh Yigit
2022-10-10  6:08 ` [PATCH v2 04/24] net/nfp: add the offload support of basic items Chaoyong He
2022-10-10  6:08 ` [PATCH v2 05/24] net/nfp: add the offload support of basic actions Chaoyong He
2022-10-10 14:52   ` Ferruh Yigit
2022-10-19 11:32     ` Chaoyong He
2022-10-10  6:08 ` [PATCH v2 06/24] net/nfp: add the offload support of VLAN item Chaoyong He
2022-10-10  6:08 ` [PATCH v2 07/24] net/nfp: add the offload support of IPv4 item Chaoyong He
2022-10-10  6:08 ` Chaoyong He [this message]
2022-10-10 14:53   ` [PATCH v2 08/24] net/nfp: add the offload support of IPv6 item Ferruh Yigit
2022-10-19 11:33     ` Chaoyong He
2022-10-10  6:08 ` [PATCH v2 09/24] net/nfp: add the offload support of TCP item Chaoyong He
2022-10-10  6:08 ` [PATCH v2 10/24] net/nfp: add the offload support of UDP item Chaoyong He
2022-10-10  6:08 ` [PATCH v2 11/24] net/nfp: add the offload support of SCTP item Chaoyong He
2022-10-10  6:08 ` [PATCH v2 12/24] net/nfp: add the offload support of set SRC MAC action Chaoyong He
2022-10-10  6:08 ` [PATCH v2 13/24] net/nfp: add the offload support of set DST " Chaoyong He
2022-10-10  6:08 ` [PATCH v2 14/24] net/nfp: add the offload support of pop VLAN action Chaoyong He
2022-10-10  6:08 ` [PATCH v2 15/24] net/nfp: add the offload support of push " Chaoyong He
2022-10-10  6:08 ` [PATCH v2 16/24] net/nfp: add the offload support of set SRC IPv4 action Chaoyong He
2022-10-10  6:08 ` [PATCH v2 17/24] net/nfp: add the offload support of set DST " Chaoyong He
2022-10-10  6:08 ` [PATCH v2 18/24] net/nfp: add the offload support of set SRC IPv6 action Chaoyong He
2022-10-10  6:08 ` [PATCH v2 19/24] net/nfp: add the offload support of set DST " Chaoyong He
2022-10-10  6:08 ` [PATCH v2 20/24] net/nfp: add the offload support of set TP SRC port action Chaoyong He
2022-10-10  6:08 ` [PATCH v2 21/24] net/nfp: add the offload support of set TP DST " Chaoyong He
2022-10-10  6:09 ` [PATCH v2 22/24] net/nfp: add the offload support of set TTL action Chaoyong He
2022-10-10  6:09 ` [PATCH v2 23/24] net/nfp: add the offload support of set IPv4 DSCP action Chaoyong He
2022-10-10  6:09 ` [PATCH v2 24/24] net/nfp: add the offload support of set IPv6 " Chaoyong He

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