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From: Slava Ovsiienko <viacheslavo@mellanox.com>
To: Shahaf Shuler <shahafs@mellanox.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, Yongseok Koh <yskoh@mellanox.com>,
	Slava Ovsiienko <viacheslavo@mellanox.com>
Subject: [dpdk-dev] [PATCH v5 07/13] net/mlx5: add VXLAN support to flow prepare routine
Date: Sat, 3 Nov 2018 06:18:40 +0000
Message-ID: <1541225876-8817-8-git-send-email-viacheslavo@mellanox.com> (raw)
In-Reply-To: <1541225876-8817-1-git-send-email-viacheslavo@mellanox.com>

The e-switch Flow prepare function is updated to support VXLAN
encapsulation/and decapsulation actions. The function calculates
buffer size for Netlink message and Flow description structures,
including optional ones for tunneling purposes.

Suggested-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
Acked-by: Yongseok Koh <yskoh@mellanox.com>
---
 drivers/net/mlx5/mlx5_flow_tcf.c | 137 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 134 insertions(+), 3 deletions(-)

diff --git a/drivers/net/mlx5/mlx5_flow_tcf.c b/drivers/net/mlx5/mlx5_flow_tcf.c
index 6299069..017f2bd 100644
--- a/drivers/net/mlx5/mlx5_flow_tcf.c
+++ b/drivers/net/mlx5/mlx5_flow_tcf.c
@@ -2422,7 +2422,7 @@ struct pedit_parser {
 		case RTE_FLOW_ITEM_TYPE_IPV6:
 			size += SZ_NLATTR_TYPE_OF(uint16_t) + /* Ether type. */
 				SZ_NLATTR_TYPE_OF(uint8_t) + /* IP proto. */
-				SZ_NLATTR_TYPE_OF(IPV6_ADDR_LEN) * 4;
+				SZ_NLATTR_DATA_OF(IPV6_ADDR_LEN) * 4;
 				/* dst/src IP addr and mask. */
 			flags |= MLX5_FLOW_LAYER_OUTER_L3_IPV6;
 			break;
@@ -2438,6 +2438,10 @@ struct pedit_parser {
 				/* dst/src port and mask. */
 			flags |= MLX5_FLOW_LAYER_OUTER_L4_TCP;
 			break;
+		case RTE_FLOW_ITEM_TYPE_VXLAN:
+			size += SZ_NLATTR_TYPE_OF(uint32_t);
+			flags |= MLX5_FLOW_LAYER_VXLAN;
+			break;
 		default:
 			DRV_LOG(WARNING,
 				"unsupported item %p type %d,"
@@ -2451,6 +2455,69 @@ struct pedit_parser {
 }
 
 /**
+ * Calculate size of memory to store the VXLAN encapsultion
+ * related items in the Netlink message buffer. Items list
+ * is specified by RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP action.
+ * The item list should be validated.
+ *
+ * @param[in] action
+ *   RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP action object.
+ *   List of pattern items to scan data from.
+ *
+ * @return
+ *   The size the part of Netlink message buffer to store the
+ *   VXLAN encapsulation item attributes.
+ */
+static int
+flow_tcf_vxlan_encap_size(const struct rte_flow_action *action)
+{
+	const struct rte_flow_item *items;
+	int size = 0;
+
+	assert(action->type == RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP);
+	assert(action->conf);
+
+	items = ((const struct rte_flow_action_vxlan_encap *)
+					action->conf)->definition;
+	assert(items);
+	for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
+		switch (items->type) {
+		case RTE_FLOW_ITEM_TYPE_VOID:
+			break;
+		case RTE_FLOW_ITEM_TYPE_ETH:
+			/* This item does not require message buffer. */
+			break;
+		case RTE_FLOW_ITEM_TYPE_IPV4:
+			size += SZ_NLATTR_DATA_OF(IPV4_ADDR_LEN) * 2;
+			break;
+		case RTE_FLOW_ITEM_TYPE_IPV6:
+			size += SZ_NLATTR_DATA_OF(IPV6_ADDR_LEN) * 2;
+			break;
+		case RTE_FLOW_ITEM_TYPE_UDP: {
+			const struct rte_flow_item_udp *udp = items->mask;
+
+			size += SZ_NLATTR_TYPE_OF(uint16_t);
+			if (!udp || udp->hdr.src_port != RTE_BE16(0x0000))
+				size += SZ_NLATTR_TYPE_OF(uint16_t);
+			break;
+		}
+		case RTE_FLOW_ITEM_TYPE_VXLAN:
+			size +=	SZ_NLATTR_TYPE_OF(uint32_t);
+			break;
+		default:
+			assert(false);
+			DRV_LOG(WARNING,
+				"unsupported item %p type %d,"
+				" items must be validated"
+				" before flow creation",
+				(const void *)items, items->type);
+			return 0;
+		}
+	}
+	return size;
+}
+
+/**
  * Calculate maximum size of memory for flow actions of Linux TC flower and
  * extract specified actions.
  *
@@ -2519,6 +2586,29 @@ struct pedit_parser {
 				SZ_NLATTR_TYPE_OF(uint16_t) + /* VLAN ID. */
 				SZ_NLATTR_TYPE_OF(uint8_t); /* VLAN prio. */
 			break;
+		case RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP:
+			size += SZ_NLATTR_NEST + /* na_act_index. */
+				SZ_NLATTR_STRZ_OF("tunnel_key") +
+				SZ_NLATTR_NEST + /* TCA_ACT_OPTIONS. */
+				SZ_NLATTR_TYPE_OF(uint8_t);
+			size += SZ_NLATTR_TYPE_OF(struct tc_tunnel_key);
+			size +=	flow_tcf_vxlan_encap_size(actions) +
+				RTE_ALIGN_CEIL /* preceding encap params. */
+				(sizeof(struct flow_tcf_vxlan_encap),
+				MNL_ALIGNTO);
+			flags |= MLX5_FLOW_ACTION_VXLAN_ENCAP;
+			break;
+		case RTE_FLOW_ACTION_TYPE_VXLAN_DECAP:
+			size += SZ_NLATTR_NEST + /* na_act_index. */
+				SZ_NLATTR_STRZ_OF("tunnel_key") +
+				SZ_NLATTR_NEST + /* TCA_ACT_OPTIONS. */
+				SZ_NLATTR_TYPE_OF(uint8_t);
+			size +=	SZ_NLATTR_TYPE_OF(struct tc_tunnel_key);
+			size +=	RTE_ALIGN_CEIL /* preceding decap params. */
+				(sizeof(struct flow_tcf_vxlan_decap),
+				MNL_ALIGNTO);
+			flags |= MLX5_FLOW_ACTION_VXLAN_DECAP;
+			break;
 		case RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC:
 		case RTE_FLOW_ACTION_TYPE_SET_IPV4_DST:
 		case RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC:
@@ -2594,12 +2684,15 @@ struct pedit_parser {
 		 uint64_t *item_flags, uint64_t *action_flags,
 		 struct rte_flow_error *error)
 {
-	size_t size = sizeof(struct mlx5_flow) +
+	size_t size = RTE_ALIGN_CEIL
+			(sizeof(struct mlx5_flow),
+			 alignof(struct flow_tcf_tunnel_hdr)) +
 		      MNL_ALIGN(sizeof(struct nlmsghdr)) +
 		      MNL_ALIGN(sizeof(struct tcmsg));
 	struct mlx5_flow *dev_flow;
 	struct nlmsghdr *nlh;
 	struct tcmsg *tcm;
+	uint8_t *sp, *tun = NULL;
 
 	size += flow_tcf_get_items_and_size(attr, items, item_flags);
 	size += flow_tcf_get_actions_and_size(actions, action_flags);
@@ -2610,14 +2703,52 @@ struct pedit_parser {
 				   "not enough memory to create E-Switch flow");
 		return NULL;
 	}
-	nlh = mnl_nlmsg_put_header((void *)(dev_flow + 1));
+	sp = (uint8_t *)(dev_flow + 1);
+	if (*action_flags & MLX5_FLOW_ACTION_VXLAN_ENCAP) {
+		sp = RTE_PTR_ALIGN
+			(sp, alignof(struct flow_tcf_tunnel_hdr));
+		tun = sp;
+		sp += RTE_ALIGN_CEIL
+			(sizeof(struct flow_tcf_vxlan_encap),
+			MNL_ALIGNTO);
+#ifndef NDEBUG
+		size -= RTE_ALIGN_CEIL
+			(sizeof(struct flow_tcf_vxlan_encap),
+			MNL_ALIGNTO);
+#endif
+	} else if (*action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP) {
+		sp = RTE_PTR_ALIGN
+			(sp, alignof(struct flow_tcf_tunnel_hdr));
+		tun = sp;
+		sp += RTE_ALIGN_CEIL
+			(sizeof(struct flow_tcf_vxlan_decap),
+			MNL_ALIGNTO);
+#ifndef NDEBUG
+		size -= RTE_ALIGN_CEIL
+			(sizeof(struct flow_tcf_vxlan_decap),
+			MNL_ALIGNTO);
+#endif
+	} else {
+		sp = RTE_PTR_ALIGN(sp, MNL_ALIGNTO);
+	}
+	nlh = mnl_nlmsg_put_header(sp);
 	tcm = mnl_nlmsg_put_extra_header(nlh, sizeof(*tcm));
 	*dev_flow = (struct mlx5_flow){
 		.tcf = (struct mlx5_flow_tcf){
+#ifndef NDEBUG
+			.nlsize = size - RTE_ALIGN_CEIL
+				(sizeof(struct mlx5_flow),
+				 alignof(struct flow_tcf_tunnel_hdr)),
+#endif
+			.tunnel = (struct flow_tcf_tunnel_hdr *)tun,
 			.nlh = nlh,
 			.tcm = tcm,
 		},
 	};
+	if (*action_flags & MLX5_FLOW_ACTION_VXLAN_DECAP)
+		dev_flow->tcf.tunnel->type = FLOW_TCF_TUNACT_VXLAN_DECAP;
+	else if (*action_flags & MLX5_FLOW_ACTION_VXLAN_ENCAP)
+		dev_flow->tcf.tunnel->type = FLOW_TCF_TUNACT_VXLAN_ENCAP;
 	/*
 	 * Generate a reasonably unique handle based on the address of the
 	 * target buffer.
-- 
1.8.3.1

  parent reply	other threads:[~2018-11-03  6:18 UTC|newest]

Thread overview: 110+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-02  6:30 [dpdk-dev] [PATCH 1/5] net/mlx5: add VXLAN encap/decap support for e-switch Slava Ovsiienko
2018-10-02  6:30 ` [dpdk-dev] [PATCH 2/5] net/mlx5: e-switch VXLAN netlink routines update Slava Ovsiienko
2018-10-02  6:30 ` [dpdk-dev] [PATCH 3/5] net/mlx5: e-switch VXLAN flow validation routine Slava Ovsiienko
2018-10-02  6:30 ` [dpdk-dev] [PATCH 4/5] net/mlx5: e-switch VXLAN flow translation routine Slava Ovsiienko
2018-10-02  6:30 ` [dpdk-dev] [PATCH 5/5] net/mlx5: e-switch VXLAN tunnel devices management Slava Ovsiienko
2018-10-15 14:13 ` [dpdk-dev] [PATCH v2 0/7] net/mlx5: e-switch VXLAN encap/decap hardware offload Viacheslav Ovsiienko
2018-10-15 14:13   ` [dpdk-dev] [PATCH v2 1/7] net/mlx5: e-switch VXLAN configuration and definitions Viacheslav Ovsiienko
2018-10-23 10:01     ` Yongseok Koh
2018-10-25 12:50       ` Slava Ovsiienko
2018-10-25 23:33         ` Yongseok Koh
2018-10-15 14:13   ` [dpdk-dev] [PATCH v2 2/7] net/mlx5: e-switch VXLAN flow validation routine Viacheslav Ovsiienko
2018-10-23 10:04     ` Yongseok Koh
2018-10-25 13:53       ` Slava Ovsiienko
2018-10-26  3:07         ` Yongseok Koh
2018-10-26  8:39           ` Slava Ovsiienko
2018-10-26 21:56             ` Yongseok Koh
2018-10-29  9:33               ` Slava Ovsiienko
2018-10-29 18:26                 ` Yongseok Koh
2018-10-15 14:13   ` [dpdk-dev] [PATCH v2 3/7] net/mlx5: e-switch VXLAN flow translation routine Viacheslav Ovsiienko
2018-10-23 10:06     ` Yongseok Koh
2018-10-25 14:37       ` Slava Ovsiienko
2018-10-26  4:22         ` Yongseok Koh
2018-10-26  9:06           ` Slava Ovsiienko
2018-10-26 22:10             ` Yongseok Koh
2018-10-15 14:13   ` [dpdk-dev] [PATCH v2 4/7] net/mlx5: e-switch VXLAN netlink routines update Viacheslav Ovsiienko
2018-10-23 10:07     ` Yongseok Koh
2018-10-15 14:13   ` [dpdk-dev] [PATCH v2 5/7] net/mlx5: e-switch VXLAN tunnel devices management Viacheslav Ovsiienko
2018-10-25  0:28     ` Yongseok Koh
2018-10-25 20:21       ` Slava Ovsiienko
2018-10-26  6:25         ` Yongseok Koh
2018-10-26  9:35           ` Slava Ovsiienko
2018-10-26 22:42             ` Yongseok Koh
2018-10-29 11:53               ` Slava Ovsiienko
2018-10-29 18:42                 ` Yongseok Koh
2018-10-15 14:13   ` [dpdk-dev] [PATCH v2 6/7] net/mlx5: e-switch VXLAN encapsulation rules management Viacheslav Ovsiienko
2018-10-25  0:33     ` Yongseok Koh
2018-10-15 14:13   ` [dpdk-dev] [PATCH v2 7/7] net/mlx5: e-switch VXLAN rule cleanup routines Viacheslav Ovsiienko
2018-10-25  0:36     ` Yongseok Koh
2018-10-25 20:32       ` Slava Ovsiienko
2018-10-26  6:30         ` Yongseok Koh
2018-11-01 12:19   ` [dpdk-dev] [PATCH v3 00/13] net/mlx5: e-switch VXLAN encap/decap hardware offload Slava Ovsiienko
2018-11-01 12:19     ` [dpdk-dev] [PATCH v3 01/13] net/mlx5: prepare makefile for adding e-switch VXLAN Slava Ovsiienko
2018-11-01 20:33       ` Yongseok Koh
2018-11-01 12:19     ` [dpdk-dev] [PATCH v3 02/13] net/mlx5: prepare meson.build " Slava Ovsiienko
2018-11-01 20:33       ` Yongseok Koh
2018-11-01 12:19     ` [dpdk-dev] [PATCH v3 03/13] net/mlx5: add necessary definitions for " Slava Ovsiienko
2018-11-01 20:35       ` Yongseok Koh
2018-11-01 12:19     ` [dpdk-dev] [PATCH v3 04/13] net/mlx5: add necessary structures " Slava Ovsiienko
2018-11-01 20:36       ` Yongseok Koh
2018-11-01 12:19     ` [dpdk-dev] [PATCH v3 05/13] net/mlx5: swap items/actions validations for e-switch rules Slava Ovsiienko
2018-11-01 20:37       ` Yongseok Koh
2018-11-01 12:19     ` [dpdk-dev] [PATCH v3 06/13] net/mlx5: add e-switch VXLAN support to validation routine Slava Ovsiienko
2018-11-01 20:49       ` Yongseok Koh
2018-11-01 12:19     ` [dpdk-dev] [PATCH v3 07/13] net/mlx5: add VXLAN support to flow prepare routine Slava Ovsiienko
2018-11-01 21:03       ` Yongseok Koh
2018-11-01 12:19     ` [dpdk-dev] [PATCH v3 08/13] net/mlx5: add VXLAN support to flow translate routine Slava Ovsiienko
2018-11-01 21:18       ` Yongseok Koh
2018-11-01 12:19     ` [dpdk-dev] [PATCH v3 09/13] net/mlx5: e-switch VXLAN netlink routines update Slava Ovsiienko
2018-11-01 21:21       ` Yongseok Koh
2018-11-01 12:19     ` [dpdk-dev] [PATCH v3 10/13] net/mlx5: fix e-switch Flow counter deletion Slava Ovsiienko
2018-11-01 22:00       ` Yongseok Koh
2018-11-01 12:19     ` [dpdk-dev] [PATCH v3 11/13] net/mlx5: add e-switch VXLAN tunnel devices management Slava Ovsiienko
2018-11-01 23:59       ` Yongseok Koh
2018-11-01 12:19     ` [dpdk-dev] [PATCH v3 12/13] net/mlx5: add e-switch VXLAN encapsulation rules Slava Ovsiienko
2018-11-02  0:01       ` Yongseok Koh
2018-11-01 12:19     ` [dpdk-dev] [PATCH v3 13/13] net/mlx5: add e-switch VXLAN rule cleanup routines Slava Ovsiienko
2018-11-02  0:01       ` Yongseok Koh
2018-11-01 20:32     ` [dpdk-dev] [PATCH v3 00/13] net/mlx5: e-switch VXLAN encap/decap hardware offload Yongseok Koh
2018-11-02 17:53     ` [dpdk-dev] [PATCH v4 " Slava Ovsiienko
2018-11-02 17:53       ` [dpdk-dev] [PATCH v4 01/13] net/mlx5: prepare makefile for adding E-Switch VXLAN Slava Ovsiienko
2018-11-03  6:18         ` [dpdk-dev] [PATCH v5 00/13] net/mlx5: e-switch VXLAN encap/decap hardware offload Slava Ovsiienko
2018-11-03  6:18           ` [dpdk-dev] [PATCH v5 01/13] net/mlx5: prepare makefile for adding E-Switch VXLAN Slava Ovsiienko
2018-11-12 20:01             ` [dpdk-dev] [PATCH 0/4] net/mlx5: prepare to add E-switch rule flags check Slava Ovsiienko
2018-11-12 20:01               ` [dpdk-dev] [PATCH 1/4] net/mlx5: prepare Netlink communication routine to fix Slava Ovsiienko
2018-11-13 13:21                 ` Shahaf Shuler
2018-11-12 20:01               ` [dpdk-dev] [PATCH 2/4] net/mlx5: fix Netlink communication routine Slava Ovsiienko
2018-11-13 13:21                 ` Shahaf Shuler
2018-11-14 12:57                   ` Slava Ovsiienko
2018-11-12 20:01               ` [dpdk-dev] [PATCH 3/4] net/mlx5: prepare to add E-switch rule flags check Slava Ovsiienko
2018-11-12 20:01               ` [dpdk-dev] [PATCH 4/4] net/mlx5: add E-switch rule hardware offload flag check Slava Ovsiienko
2018-11-13 13:21               ` [dpdk-dev] [PATCH 0/4] net/mlx5: prepare to add E-switch rule flags check Shahaf Shuler
2018-11-14 14:56                 ` Shahaf Shuler
2018-11-03  6:18           ` [dpdk-dev] [PATCH v5 02/13] net/mlx5: prepare meson.build for adding E-Switch VXLAN Slava Ovsiienko
2018-11-03  6:18           ` [dpdk-dev] [PATCH v5 03/13] net/mlx5: add necessary definitions for " Slava Ovsiienko
2018-11-03  6:18           ` [dpdk-dev] [PATCH v5 04/13] net/mlx5: add necessary structures " Slava Ovsiienko
2018-11-03  6:18           ` [dpdk-dev] [PATCH v5 05/13] net/mlx5: swap items/actions validations for E-Switch rules Slava Ovsiienko
2018-11-03  6:18           ` [dpdk-dev] [PATCH v5 06/13] net/mlx5: add E-Switch VXLAN support to validation routine Slava Ovsiienko
2018-11-03  6:18           ` Slava Ovsiienko [this message]
2018-11-03  6:18           ` [dpdk-dev] [PATCH v5 08/13] net/mlx5: add VXLAN support to flow translate routine Slava Ovsiienko
2018-11-03  6:18           ` [dpdk-dev] [PATCH v5 09/13] net/mlx5: update E-Switch VXLAN netlink routines Slava Ovsiienko
2018-11-03  6:18           ` [dpdk-dev] [PATCH v5 10/13] net/mlx5: fix E-Switch Flow counter deletion Slava Ovsiienko
2018-11-03  6:18           ` [dpdk-dev] [PATCH v5 11/13] net/mlx5: add E-switch VXLAN tunnel devices management Slava Ovsiienko
2018-11-03  6:18           ` [dpdk-dev] [PATCH v5 12/13] net/mlx5: add E-Switch VXLAN encapsulation rules Slava Ovsiienko
2018-11-03  6:18           ` [dpdk-dev] [PATCH v5 13/13] net/mlx5: add E-switch VXLAN rule cleanup routines Slava Ovsiienko
2018-11-04  6:48           ` [dpdk-dev] [PATCH v5 00/13] net/mlx5: e-switch VXLAN encap/decap hardware offload Shahaf Shuler
2018-11-02 17:53       ` [dpdk-dev] [PATCH v4 02/13] net/mlx5: prepare meson.build for adding E-Switch VXLAN Slava Ovsiienko
2018-11-02 17:53       ` [dpdk-dev] [PATCH v4 03/13] net/mlx5: add necessary definitions for " Slava Ovsiienko
2018-11-02 17:53       ` [dpdk-dev] [PATCH v4 04/13] net/mlx5: add necessary structures " Slava Ovsiienko
2018-11-02 17:53       ` [dpdk-dev] [PATCH v4 05/13] net/mlx5: swap items/actions validations for E-Switch rules Slava Ovsiienko
2018-11-02 17:53       ` [dpdk-dev] [PATCH v4 06/13] net/mlx5: add E-Switch VXLAN support to validation routine Slava Ovsiienko
2018-11-02 17:53       ` [dpdk-dev] [PATCH v4 07/13] net/mlx5: add VXLAN support to flow prepare routine Slava Ovsiienko
2018-11-02 21:38         ` Yongseok Koh
2018-11-02 17:53       ` [dpdk-dev] [PATCH v4 08/13] net/mlx5: add VXLAN support to flow translate routine Slava Ovsiienko
2018-11-02 21:53         ` Yongseok Koh
2018-11-02 23:29           ` Yongseok Koh
2018-11-02 17:53       ` [dpdk-dev] [PATCH v4 09/13] net/mlx5: update E-Switch VXLAN netlink routines Slava Ovsiienko
2018-11-02 17:53       ` [dpdk-dev] [PATCH v4 10/13] net/mlx5: fix E-Switch Flow counter deletion Slava Ovsiienko
2018-11-02 17:53       ` [dpdk-dev] [PATCH v4 11/13] net/mlx5: add E-switch VXLAN tunnel devices management Slava Ovsiienko
2018-11-02 17:53       ` [dpdk-dev] [PATCH v4 12/13] net/mlx5: add E-Switch VXLAN encapsulation rules Slava Ovsiienko
2018-11-02 17:53       ` [dpdk-dev] [PATCH v4 13/13] net/mlx5: add E-switch VXLAN rule cleanup routines Slava Ovsiienko

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