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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org, kuba@kernel.org
Subject: [PATCH nf-next 5/6] net/mlx5: Support GRE conntrack offload
Date: Tue, 15 Mar 2022 10:15:12 +0100	[thread overview]
Message-ID: <20220315091513.66544-6-pablo@netfilter.org> (raw)
In-Reply-To: <20220315091513.66544-1-pablo@netfilter.org>

From: Toshiaki Makita <toshiaki.makita1@gmail.com>

Support GREv0 without NAT.

Signed-off-by: Toshiaki Makita <toshiaki.makita1@gmail.com>
Acked-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 .../ethernet/mellanox/mlx5/core/en/tc_ct.c    | 21 +++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
index 875e77af0ae6..675bd6ede845 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
@@ -258,7 +258,8 @@ mlx5_tc_ct_rule_to_tuple(struct mlx5_ct_tuple *tuple, struct flow_rule *rule)
 			return -EOPNOTSUPP;
 		}
 	} else {
-		return -EOPNOTSUPP;
+		if (tuple->ip_proto != IPPROTO_GRE)
+			return -EOPNOTSUPP;
 	}
 
 	return 0;
@@ -807,7 +808,11 @@ mlx5_tc_ct_entry_add_rule(struct mlx5_tc_ct_priv *ct_priv,
 	attr->dest_chain = 0;
 	attr->dest_ft = mlx5e_tc_post_act_get_ft(ct_priv->post_act);
 	attr->ft = nat ? ct_priv->ct_nat : ct_priv->ct;
-	attr->outer_match_level = MLX5_MATCH_L4;
+	if (entry->tuple.ip_proto == IPPROTO_TCP ||
+	    entry->tuple.ip_proto == IPPROTO_UDP)
+		attr->outer_match_level = MLX5_MATCH_L4;
+	else
+		attr->outer_match_level = MLX5_MATCH_L3;
 	attr->counter = entry->counter->counter;
 	attr->flags |= MLX5_ATTR_FLAG_NO_IN_PORT;
 	if (ct_priv->ns_type == MLX5_FLOW_NAMESPACE_FDB)
@@ -1224,16 +1229,20 @@ mlx5_tc_ct_skb_to_tuple(struct sk_buff *skb, struct mlx5_ct_tuple *tuple,
 	struct flow_keys flow_keys;
 
 	skb_reset_network_header(skb);
-	skb_flow_dissect_flow_keys(skb, &flow_keys, 0);
+	skb_flow_dissect_flow_keys(skb, &flow_keys, FLOW_DISSECTOR_F_STOP_BEFORE_ENCAP);
 
 	tuple->zone = zone;
 
 	if (flow_keys.basic.ip_proto != IPPROTO_TCP &&
-	    flow_keys.basic.ip_proto != IPPROTO_UDP)
+	    flow_keys.basic.ip_proto != IPPROTO_UDP &&
+	    flow_keys.basic.ip_proto != IPPROTO_GRE)
 		return false;
 
-	tuple->port.src = flow_keys.ports.src;
-	tuple->port.dst = flow_keys.ports.dst;
+	if (flow_keys.basic.ip_proto == IPPROTO_TCP ||
+	    flow_keys.basic.ip_proto == IPPROTO_UDP) {
+		tuple->port.src = flow_keys.ports.src;
+		tuple->port.dst = flow_keys.ports.dst;
+	}
 	tuple->n_proto = flow_keys.basic.n_proto;
 	tuple->ip_proto = flow_keys.basic.ip_proto;
 
-- 
2.30.2


  parent reply	other threads:[~2022-03-15  9:15 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-15  9:15 [PATCH nf-next 0/6] Netfilter updates for net-next Pablo Neira Ayuso
2022-03-15  9:15 ` [PATCH nf-next 1/6] Revert "netfilter: conntrack: mark UDP zero checksum as CHECKSUM_UNNECESSARY" Pablo Neira Ayuso
2022-03-15 19:00   ` patchwork-bot+netdevbpf
2022-03-15  9:15 ` [PATCH nf-next 2/6] netfilter: nf_tables: Reject tables of unsupported family Pablo Neira Ayuso
2022-03-15 18:56   ` Jakub Kicinski
2022-03-15 20:05     ` Phil Sutter
2022-03-15 20:10       ` Pablo Neira Ayuso
2022-03-15 21:25         ` Jakub Kicinski
2022-03-15 20:27     ` Pablo Neira Ayuso
2022-03-15 21:27       ` Jakub Kicinski
2022-03-15  9:15 ` [PATCH nf-next 3/6] netfilter: flowtable: Support GRE Pablo Neira Ayuso
2022-03-15  9:15 ` [PATCH nf-next 4/6] act_ct: Support GRE offload Pablo Neira Ayuso
2022-03-15  9:15 ` Pablo Neira Ayuso [this message]
2022-03-15  9:15 ` [PATCH nf-next 6/6] netfilter: bridge: clean up some inconsistent indenting Pablo Neira Ayuso

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