From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 6675DA0555 for ; Wed, 19 Feb 2020 16:16:27 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 22A12B62; Wed, 19 Feb 2020 16:16:27 +0100 (CET) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id 72BF5B62 for ; Wed, 19 Feb 2020 16:16:26 +0100 (CET) Received: from Internal Mail-Server by MTLPINE1 (envelope-from dekelp@mellanox.com) with ESMTPS (AES256-SHA encrypted); 19 Feb 2020 17:16:21 +0200 Received: from mtl-vdi-280.wap.labs.mlnx. ([10.228.134.250]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 01JFGLdc024501; Wed, 19 Feb 2020 17:16:21 +0200 From: Dekel Peled To: matan@mellanox.com, viacheslavo@mellanox.com, rasland@mellanox.com Cc: dev@dpdk.org, stable@dpdk.org Date: Wed, 19 Feb 2020 17:15:54 +0200 Message-Id: <15d7594cc67448389e09213b2ed13e907c471e3a.1582124890.git.dekelp@mellanox.com> X-Mailer: git-send-email 1.7.1 Subject: [dpdk-stable] [PATCH] net/mlx5: fix match on Ethertype X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" HW supports match on one Ethertype, the Ethertype following the last VLAN tag of the packet (see PRM). Previous patch added specific handling for packets with VLAN tag, after setting match on Ethertype. This patch moves the handling of packets with VLAN tag, to be done before and instead of setting match on Ethertype. Fixes: 00f75a40576b ("net/mlx5: fix VLAN match for DV mode") Cc: stable@dpdk.org Signed-off-by: Dekel Peled Acked-by: Matan Azrad --- drivers/net/mlx5/mlx5_flow_dv.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c index 467d1ce..764f3b2 100644 --- a/drivers/net/mlx5/mlx5_flow_dv.c +++ b/drivers/net/mlx5/mlx5_flow_dv.c @@ -5213,19 +5213,27 @@ struct field_modify_info modify_tcp[] = { /* The value must be in the range of the mask. */ for (i = 0; i < sizeof(eth_m->dst); ++i) l24_v[i] = eth_m->src.addr_bytes[i] & eth_v->src.addr_bytes[i]; - MLX5_SET(fte_match_set_lyr_2_4, headers_m, ethertype, - rte_be_to_cpu_16(eth_m->type)); - l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, ethertype); - *(uint16_t *)(l24_v) = eth_m->type & eth_v->type; if (eth_v->type) { /* When ethertype is present set mask for tagged VLAN. */ MLX5_SET(fte_match_set_lyr_2_4, headers_m, cvlan_tag, 1); /* Set value for tagged VLAN if ethertype is 802.1Q. */ if (eth_v->type == RTE_BE16(RTE_ETHER_TYPE_VLAN) || - eth_v->type == RTE_BE16(RTE_ETHER_TYPE_QINQ)) + eth_v->type == RTE_BE16(RTE_ETHER_TYPE_QINQ)) { MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag, 1); + /* Return here to avoid setting match on ethertype. */ + return; + } } + /* + * HW supports match on one Ethertype, the Ethertype following the last + * VLAN tag of the packet (see PRM). + * Set match on ethertype only if ETH header is not followed by VLAN. + */ + MLX5_SET(fte_match_set_lyr_2_4, headers_m, ethertype, + rte_be_to_cpu_16(eth_m->type)); + l24_v = MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, ethertype); + *(uint16_t *)(l24_v) = eth_m->type & eth_v->type; } /** -- 1.8.3.1