From mboxrd@z Thu Jan 1 00:00:00 1970 From: Or Gerlitz Subject: [PATCH net-next V2 2/2] net/mlx5e: Offload TC matching on packets being IP fragments Date: Tue, 6 Dec 2016 17:18:06 +0200 Message-ID: <1481037486-27195-3-git-send-email-ogerlitz@mellanox.com> References: <1481037486-27195-1-git-send-email-ogerlitz@mellanox.com> Cc: netdev@vger.kernel.org, Jiri Pirko , Roi Dayan , Hadar Har-Zion , Or Gerlitz To: "David S. Miller" Return-path: Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:52768 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751729AbcLFPSS (ORCPT ); Tue, 6 Dec 2016 10:18:18 -0500 In-Reply-To: <1481037486-27195-1-git-send-email-ogerlitz@mellanox.com> Sender: netdev-owner@vger.kernel.org List-ID: Enable offloading of matching on packets being fragments. Signed-off-by: Or Gerlitz Reviewed-by: Paul Blakey --- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index f07ef8c..f8829b5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -31,6 +31,7 @@ */ #include +#include #include #include #include @@ -363,7 +364,18 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, skb_flow_dissector_target(f->dissector, FLOW_DISSECTOR_KEY_CONTROL, f->key); + + struct flow_dissector_key_control *mask = + skb_flow_dissector_target(f->dissector, + FLOW_DISSECTOR_KEY_CONTROL, + f->mask); addr_type = key->addr_type; + + if (mask->flags & FLOW_DIS_IS_FRAGMENT) { + MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, + key->flags & FLOW_DIS_IS_FRAGMENT); + } } if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { -- 2.3.7