From mboxrd@z Thu Jan 1 00:00:00 1970 From: Or Gerlitz Subject: [PATCH net-next 4/4] net/mlx5e: Offload TC matching on ip tos / traffic-class Date: Thu, 25 May 2017 16:24:39 +0300 Message-ID: <1495718679-20693-5-git-send-email-ogerlitz@mellanox.com> References: <1495718679-20693-1-git-send-email-ogerlitz@mellanox.com> Cc: netdev@vger.kernel.org, Saeed Mahameed , Roi Dayan , Paul Blakey , Or Gerlitz To: "David S. Miller" Return-path: Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:53784 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750913AbdEYNYp (ORCPT ); Thu, 25 May 2017 09:24:45 -0400 In-Reply-To: <1495718679-20693-1-git-send-email-ogerlitz@mellanox.com> Sender: netdev-owner@vger.kernel.org List-ID: Enable offloading of TC matching on ipv4 tos or ipv6 traffic-class. Signed-off-by: Or Gerlitz --- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 26 ++++++++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 8e856cd..f8403fd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -581,7 +581,8 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | - BIT(FLOW_DISSECTOR_KEY_TCP))) { + BIT(FLOW_DISSECTOR_KEY_TCP) | + BIT(FLOW_DISSECTOR_KEY_IP))) { netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", f->dissector->used_keys); return -EOPNOTSUPP; @@ -808,6 +809,29 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, *min_inline = MLX5_INLINE_MODE_TCP_UDP; } + if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_IP)) { + struct flow_dissector_key_ip *key = + skb_flow_dissector_target(f->dissector, + FLOW_DISSECTOR_KEY_IP, + f->key); + struct flow_dissector_key_ip *mask = + skb_flow_dissector_target(f->dissector, + FLOW_DISSECTOR_KEY_IP, + f->mask); + + MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3); + + MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2); + + if (mask->tos) + *min_inline = MLX5_INLINE_MODE_IP; + + if (mask->ttl) /* currently not supported */ + return -EOPNOTSUPP; + } + if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_TCP)) { struct flow_dissector_key_tcp *key = skb_flow_dissector_target(f->dissector, -- 2.3.7