diff mbox series

[v1,7/8] net/mlx5/hws: add setter for IPv6 routing push pop

Message ID	20230417092540.2617450-8-rongweil@nvidia.com (mailing list archive)
State	Superseded, archived
Delegated to:	Ferruh Yigit
Headers	Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C From: Rongwei Liu <rongweil@nvidia.com> To: <dev@dpdk.org>, <matan@nvidia.com>, <viacheslavo@nvidia.com>, <orika@nvidia.com>, <thomas@monjalon.net> Subject: [PATCH v1 7/8] net/mlx5/hws: add setter for IPv6 routing push pop Date: Mon, 17 Apr 2023 12:25:39 +0300 Message-ID: <20230417092540.2617450-8-rongweil@nvidia.com> In-Reply-To: <20230417092540.2617450-1-rongweil@nvidia.com> References: <20230417092540.2617450-1-rongweil@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Precedence: list Errors-To: dev-bounces@dpdk.org
Series	add IPv6 extension push remove \| [v1,0/8] add IPv6 extension push remove [v1,1/8] ethdev: add IPv6 extension push remove action [v1,2/8] app/testpmd: add IPv6 extension push remove cli [v1,3/8] net/mlx5/hws: add no reparse support [v1,4/8] net/mlx5: sample the srv6 last segment [v1,5/8] net/mlx5: generate srv6 modify header resource [v1,6/8] net/mlx5/hws: add IPv6 routing extension push pop actions [v1,7/8] net/mlx5/hws: add setter for IPv6 routing push pop [v1,8/8] net/mlx5: implement IPv6 routing push pop

Checks

Context	Check	Description
ci/checkpatch	success	coding style OK

Commit Message

Rongwei Liu April 17, 2023, 9:25 a.m. UTC

  The rte action will be translated to 3 dr_actions which need
3 setters to program them.

For each setter, it may have different reparsing properties.
Setter which requires no reparse can't share the same one with
the one has reparse enabled even if there is spare space.

Signed-off-by: Rongwei Liu <rongweil@nvidia.com>
---
 drivers/net/mlx5/hws/mlx5dr_action.c | 144 +++++++++++++++++++++++++++
 1 file changed, 144 insertions(+)

diff mbox series

Patch

diff --git a/drivers/net/mlx5/hws/mlx5dr_action.c b/drivers/net/mlx5/hws/mlx5dr_action.c
index fa38654644..9f2386479a 100644
--- a/drivers/net/mlx5/hws/mlx5dr_action.c
+++ b/drivers/net/mlx5/hws/mlx5dr_action.c
@@ -2318,6 +2318,57 @@  mlx5dr_action_setter_modify_header(struct mlx5dr_actions_apply_data *apply,
 	}
 }
 
+static void
+mlx5dr_action_setter_ipv6_routing_pop1(struct mlx5dr_actions_apply_data *apply,
+				       struct mlx5dr_actions_wqe_setter *setter)
+{
+	struct mlx5dr_rule_action *rule_action;
+	struct mlx5dr_action *action;
+
+	rule_action = &apply->rule_action[setter->idx_double];
+	action = rule_action->action;
+	MLX5_ASSERT(action->type == MLX5DR_ACTION_TYP_IPV6_ROUTING_POP);
+	rule_action->action = action->recom.action1;
+	MLX5_ASSERT(rule_action->action->flags & MLX5DR_ACTION_FLAG_SHARED);
+	MLX5_ASSERT(rule_action->action->type == MLX5DR_ACTION_TYP_MODIFY_HDR);
+	mlx5dr_action_setter_modify_header(apply, setter);
+	rule_action->action = action;
+}
+
+static void
+mlx5dr_action_setter_ipv6_routing_pop2(struct mlx5dr_actions_apply_data *apply,
+				       struct mlx5dr_actions_wqe_setter *setter)
+{
+	struct mlx5dr_rule_action *rule_action;
+	struct mlx5dr_action *action;
+
+	rule_action = &apply->rule_action[setter->idx_double];
+	action = rule_action->action;
+	MLX5_ASSERT(action->type == MLX5DR_ACTION_TYP_IPV6_ROUTING_POP);
+	rule_action->action = action->recom.action2;
+	MLX5_ASSERT(rule_action->action->flags & MLX5DR_ACTION_FLAG_SHARED);
+	MLX5_ASSERT(rule_action->action->type == MLX5DR_ACTION_TYP_MODIFY_HDR);
+	mlx5dr_action_setter_modify_header(apply, setter);
+	rule_action->action = action;
+}
+
+static void
+mlx5dr_action_setter_ipv6_routing_pop3(struct mlx5dr_actions_apply_data *apply,
+				       struct mlx5dr_actions_wqe_setter *setter)
+{
+	struct mlx5dr_rule_action *rule_action;
+	struct mlx5dr_action *action;
+
+	rule_action = &apply->rule_action[setter->idx_double];
+	action = rule_action->action;
+	MLX5_ASSERT(action->type == MLX5DR_ACTION_TYP_IPV6_ROUTING_POP);
+	rule_action->action = action->recom.action3;
+	MLX5_ASSERT(rule_action->action->flags & MLX5DR_ACTION_FLAG_SHARED);
+	MLX5_ASSERT(rule_action->action->type == MLX5DR_ACTION_TYP_IPV6_ROUTING_POP);
+	mlx5dr_action_setter_modify_header(apply, setter);
+	rule_action->action = action;
+}
+
 static void
 mlx5dr_action_setter_insert_ptr(struct mlx5dr_actions_apply_data *apply,
 				struct mlx5dr_actions_wqe_setter *setter)
@@ -2346,6 +2397,60 @@  mlx5dr_action_setter_insert_ptr(struct mlx5dr_actions_apply_data *apply,
 	}
 }
 
+static void
+mlx5dr_action_setter_ipv6_routing_push1(struct mlx5dr_actions_apply_data *apply,
+					struct mlx5dr_actions_wqe_setter *setter)
+{
+	struct mlx5dr_rule_action *rule_action;
+	struct mlx5dr_rule_action tmp;
+
+	rule_action = &apply->rule_action[setter->idx_double];
+	tmp = *rule_action;
+	MLX5_ASSERT(rule_action->action->type == MLX5DR_ACTION_TYP_IPV6_ROUTING_PUSH);
+	rule_action->action = tmp.action->recom.action1;
+	MLX5_ASSERT(rule_action->action->type == MLX5DR_ACTION_TYP_IPV6_ROUTING_PUSH);
+	rule_action->reformat.offset = tmp.recom.offset;
+	rule_action->reformat.data = tmp.recom.data;
+	mlx5dr_action_setter_insert_ptr(apply, setter);
+	*rule_action = tmp;
+}
+
+static void
+mlx5dr_action_setter_ipv6_routing_push2(struct mlx5dr_actions_apply_data *apply,
+					struct mlx5dr_actions_wqe_setter *setter)
+{
+	struct mlx5dr_rule_action *rule_action;
+	struct mlx5dr_action *action;
+
+	rule_action = &apply->rule_action[setter->idx_double];
+	action = rule_action->action;
+	MLX5_ASSERT(action->type == MLX5DR_ACTION_TYP_IPV6_ROUTING_PUSH);
+	rule_action->action = action->recom.action2;
+	MLX5_ASSERT(rule_action->action->flags & MLX5DR_ACTION_FLAG_SHARED);
+	MLX5_ASSERT(rule_action->action->type == MLX5DR_ACTION_TYP_MODIFY_HDR);
+	mlx5dr_action_setter_modify_header(apply, setter);
+	rule_action->action = action;
+}
+
+static void
+mlx5dr_action_setter_ipv6_routing_push3(struct mlx5dr_actions_apply_data *apply,
+					struct mlx5dr_actions_wqe_setter *setter)
+{
+	struct mlx5dr_rule_action *rule_action;
+	struct mlx5dr_rule_action tmp;
+
+	rule_action = &apply->rule_action[setter->idx_double];
+	tmp = *rule_action;
+	MLX5_ASSERT(rule_action->action->type == MLX5DR_ACTION_TYP_IPV6_ROUTING_PUSH);
+	rule_action->action = tmp.action->recom.action3;
+	MLX5_ASSERT(rule_action->action->type == MLX5DR_ACTION_TYP_MODIFY_HDR);
+	rule_action->modify_header.offset = tmp.recom.offset;
+	rule_action->modify_header.data = tmp.recom.mhdr;
+	MLX5_ASSERT(rule_action->action->modify_header.num_of_actions > 1);
+	mlx5dr_action_setter_modify_header(apply, setter);
+	*rule_action = tmp;
+}
+
 static void
 mlx5dr_action_setter_tnl_l3_to_l2(struct mlx5dr_actions_apply_data *apply,
 				  struct mlx5dr_actions_wqe_setter *setter)
@@ -2553,6 +2658,45 @@  int mlx5dr_action_template_process(struct mlx5dr_action_template *at)
 			setter->idx_double = i;
 			break;
 
+		case MLX5DR_ACTION_TYP_IPV6_ROUTING_POP:
+			/* Double internal modify header list */
+			setter = mlx5dr_action_setter_find_first(last_setter,
+								 ASF_DOUBLE | ASF_REMOVE);
+			setter->flags |= ASF_DOUBLE | ASF_MODIFY | ASF_REPARSE;
+			setter->set_double = &mlx5dr_action_setter_ipv6_routing_pop1;
+			setter->idx_double = i;
+			setter++;
+			setter->flags |= ASF_DOUBLE | ASF_MODIFY | ASF_REPARSE;
+			setter->set_double = &mlx5dr_action_setter_ipv6_routing_pop2;
+			setter->idx_double = i;
+			setter++;
+			/* restore IPv6 protocol + pop via modify list. */
+			setter->flags |= ASF_DOUBLE | ASF_MODIFY | ASF_REPARSE;
+			setter->set_double = &mlx5dr_action_setter_ipv6_routing_pop3;
+			setter->idx_double = i;
+			break;
+
+		case MLX5DR_ACTION_TYP_IPV6_ROUTING_PUSH:
+			/* Double insert header with pointer */
+			setter = mlx5dr_action_setter_find_first(last_setter, ASF_DOUBLE);
+			/* Can't squeeze with reparsing setter */
+			if (setter->flags & ASF_REPARSE)
+				setter++;
+			setter->flags |= ASF_DOUBLE;
+			setter->set_double = &mlx5dr_action_setter_ipv6_routing_push1;
+			setter->idx_double = i;
+			setter++;
+			/* Set IPv6 protocol to 0x2b */
+			setter->flags |= ASF_DOUBLE | ASF_MODIFY | ASF_REPARSE;
+			setter->set_double = &mlx5dr_action_setter_ipv6_routing_push2;
+			setter->idx_double = i;
+			setter++;
+			/* Load next hop IPv6 address and restore srv6.next_hdr */
+			setter->flags |= ASF_DOUBLE | ASF_MODIFY | ASF_REPARSE;
+			setter->set_double = &mlx5dr_action_setter_ipv6_routing_push3;
+			setter->idx_double = i;
+			break;
+
 		case MLX5DR_ACTION_TYP_MODIFY_HDR:
 			/* Double modify header list */
 			setter = mlx5dr_action_setter_find_first(last_setter, ASF_DOUBLE | ASF_REMOVE);