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From: Jack Min <jackmin@mellanox.com>
To: Shahaf Shuler <shahafs@mellanox.com>, Yongseok Koh <yskoh@mellanox.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: [dpdk-dev] [PATCH] net/mlx5: match on TCP flags via DV/DR engine
Date: Thu, 9 May 2019 06:11:09 +0000	[thread overview]
Message-ID: <20190509061053.181091-1-jackmin@mellanox.com> (raw)
Message-ID: <20190509061109.dc5BvX1Ok9jSqrI39eLW6zpGoWW-3NZDmU7I_T7HahQ@z> (raw)

Add support to match all TCP control bits (flags)
except "NS (ECN-nonce)" via Direct Verbs (DV) or Direct Rule (DR)
engine.

Signed-off-by: Xiaoyu Min <jackmin@mellanox.com>
---
 drivers/net/mlx5/mlx5_flow_dv.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index cf255ca95c..44b4f40404 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c
@@ -2066,6 +2066,12 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
 	uint64_t last_item = 0;
 	uint8_t next_protocol = 0xff;
 	int actions_n = 0;
+	struct rte_flow_item_tcp nic_tcp_mask = {
+		.hdr = { .tcp_flags = 0xFF,
+			 .src_port = RTE_BE16(UINT16_MAX),
+			 .dst_port = RTE_BE16(UINT16_MAX),
+		}
+	};
 
 	if (items == NULL)
 		return -1;
@@ -2146,7 +2152,7 @@ flow_dv_validate(struct rte_eth_dev *dev, const struct rte_flow_attr *attr,
 			ret = mlx5_flow_validate_item_tcp
 						(items, item_flags,
 						 next_protocol,
-						 &rte_flow_item_tcp_mask,
+						 &nic_tcp_mask,
 						 error);
 			if (ret < 0)
 				return ret;
@@ -2862,6 +2868,10 @@ flow_dv_translate_item_tcp(void *matcher, void *key,
 		 rte_be_to_cpu_16(tcp_m->hdr.dst_port));
 	MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_dport,
 		 rte_be_to_cpu_16(tcp_v->hdr.dst_port & tcp_m->hdr.dst_port));
+	MLX5_SET(fte_match_set_lyr_2_4, headers_m, tcp_flags,
+		 tcp_m->hdr.tcp_flags);
+	MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags,
+		 (tcp_v->hdr.tcp_flags & tcp_m->hdr.tcp_flags));
 }
 
 /**
-- 
2.20.1


             reply	other threads:[~2019-05-09  6:11 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-09  6:11 Jack Min [this message]
2019-05-09  6:11 ` Jack Min
2019-05-12  6:27 ` Ori Kam
2019-05-12  6:27   ` Ori Kam
2019-05-26 19:20 ` Shahaf Shuler
2019-05-27  2:35 ` Jack Min

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