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Miller" , Marcelo Ricardo Leitner CC: Oz Shlomo , Jiri Pirko , Roi Dayan , Vlad Buslov , Ido Schimmel Subject: [PATCH net-next v12 6/8] net/mlx5: Refactor tc miss handling to a single function Date: Thu, 16 Feb 2023 10:57:51 +0200 Message-ID: <20230216085753.2177-7-paulb@nvidia.com> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20230216085753.2177-1-paulb@nvidia.com> References: <20230216085753.2177-1-paulb@nvidia.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT017:EE_|BL0PR12MB4897:EE_ X-MS-Office365-Filtering-Correlation-Id: 9dee7312-0682-422a-6e5a-08db0ffbff0d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230025)(4636009)(39860400002)(396003)(376002)(346002)(136003)(451199018)(46966006)(36840700001)(40470700004)(40480700001)(36860700001)(47076005)(426003)(356005)(86362001)(921005)(82310400005)(7636003)(82740400003)(36756003)(478600001)(1076003)(6666004)(107886003)(186003)(2616005)(83380400001)(336012)(40460700003)(26005)(70206006)(4326008)(8676002)(70586007)(2906002)(5660300002)(8936002)(30864003)(41300700001)(54906003)(110136005)(316002);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Feb 2023 08:58:39.1304 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9dee7312-0682-422a-6e5a-08db0ffbff0d X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT017.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR12MB4897 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Move tc miss handling code to en_tc.c, and remove duplicate code. Signed-off-by: Paul Blakey Reviewed-by: Roi Dayan --- .../ethernet/mellanox/mlx5/core/en/rep/tc.c | 223 ++---------------- .../net/ethernet/mellanox/mlx5/core/en_rx.c | 4 +- .../net/ethernet/mellanox/mlx5/core/en_tc.c | 220 +++++++++++++++-- .../net/ethernet/mellanox/mlx5/core/en_tc.h | 11 +- 4 files changed, 231 insertions(+), 227 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c index 365627a5536a..e24b46953542 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c @@ -1,7 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2020 Mellanox Technologies. */ -#include #include #include #include @@ -665,230 +664,54 @@ void mlx5e_rep_tc_netdevice_event_unregister(struct mlx5e_rep_priv *rpriv) mlx5e_rep_indr_block_unbind); } -static bool mlx5e_restore_tunnel(struct mlx5e_priv *priv, struct sk_buff *skb, - struct mlx5e_tc_update_priv *tc_priv, - u32 tunnel_id) -{ - struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; - struct tunnel_match_enc_opts enc_opts = {}; - struct mlx5_rep_uplink_priv *uplink_priv; - struct mlx5e_rep_priv *uplink_rpriv; - struct metadata_dst *tun_dst; - struct tunnel_match_key key; - u32 tun_id, enc_opts_id; - struct net_device *dev; - int err; - - enc_opts_id = tunnel_id & ENC_OPTS_BITS_MASK; - tun_id = tunnel_id >> ENC_OPTS_BITS; - - if (!tun_id) - return true; - - uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); - uplink_priv = &uplink_rpriv->uplink_priv; - - err = mapping_find(uplink_priv->tunnel_mapping, tun_id, &key); - if (err) { - netdev_dbg(priv->netdev, - "Couldn't find tunnel for tun_id: %d, err: %d\n", - tun_id, err); - return false; - } - - if (enc_opts_id) { - err = mapping_find(uplink_priv->tunnel_enc_opts_mapping, - enc_opts_id, &enc_opts); - if (err) { - netdev_dbg(priv->netdev, - "Couldn't find tunnel (opts) for tun_id: %d, err: %d\n", - enc_opts_id, err); - return false; - } - } - - if (key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { - tun_dst = __ip_tun_set_dst(key.enc_ipv4.src, key.enc_ipv4.dst, - key.enc_ip.tos, key.enc_ip.ttl, - key.enc_tp.dst, TUNNEL_KEY, - key32_to_tunnel_id(key.enc_key_id.keyid), - enc_opts.key.len); - } else if (key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { - tun_dst = __ipv6_tun_set_dst(&key.enc_ipv6.src, &key.enc_ipv6.dst, - key.enc_ip.tos, key.enc_ip.ttl, - key.enc_tp.dst, 0, TUNNEL_KEY, - key32_to_tunnel_id(key.enc_key_id.keyid), - enc_opts.key.len); - } else { - netdev_dbg(priv->netdev, - "Couldn't restore tunnel, unsupported addr_type: %d\n", - key.enc_control.addr_type); - return false; - } - - if (!tun_dst) { - netdev_dbg(priv->netdev, "Couldn't restore tunnel, no tun_dst\n"); - return false; - } - - tun_dst->u.tun_info.key.tp_src = key.enc_tp.src; - - if (enc_opts.key.len) - ip_tunnel_info_opts_set(&tun_dst->u.tun_info, - enc_opts.key.data, - enc_opts.key.len, - enc_opts.key.dst_opt_type); - - skb_dst_set(skb, (struct dst_entry *)tun_dst); - dev = dev_get_by_index(&init_net, key.filter_ifindex); - if (!dev) { - netdev_dbg(priv->netdev, - "Couldn't find tunnel device with ifindex: %d\n", - key.filter_ifindex); - return false; - } - - /* Set fwd_dev so we do dev_put() after datapath */ - tc_priv->fwd_dev = dev; - - skb->dev = dev; - - return true; -} - -static bool mlx5e_restore_skb_chain(struct sk_buff *skb, u32 chain, u32 reg_c1, - struct mlx5e_tc_update_priv *tc_priv) -{ - struct mlx5e_priv *priv = netdev_priv(skb->dev); - u32 tunnel_id = (reg_c1 >> ESW_TUN_OFFSET) & TUNNEL_ID_MASK; - - if (chain) { - struct mlx5_rep_uplink_priv *uplink_priv; - struct mlx5e_rep_priv *uplink_rpriv; - struct tc_skb_ext *tc_skb_ext; - struct mlx5_eswitch *esw; - u32 zone_restore_id; - - tc_skb_ext = tc_skb_ext_alloc(skb); - if (!tc_skb_ext) { - WARN_ON(1); - return false; - } - tc_skb_ext->chain = chain; - zone_restore_id = reg_c1 & ESW_ZONE_ID_MASK; - esw = priv->mdev->priv.eswitch; - uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); - uplink_priv = &uplink_rpriv->uplink_priv; - if (!mlx5e_tc_ct_restore_flow(uplink_priv->ct_priv, skb, - zone_restore_id)) - return false; - } - - return mlx5e_restore_tunnel(priv, skb, tc_priv, tunnel_id); -} - -static void mlx5_rep_tc_post_napi_receive(struct mlx5e_tc_update_priv *tc_priv) -{ - if (tc_priv->fwd_dev) - dev_put(tc_priv->fwd_dev); -} - -static void mlx5e_restore_skb_sample(struct mlx5e_priv *priv, struct sk_buff *skb, - struct mlx5_mapped_obj *mapped_obj, - struct mlx5e_tc_update_priv *tc_priv) -{ - if (!mlx5e_restore_tunnel(priv, skb, tc_priv, mapped_obj->sample.tunnel_id)) { - netdev_dbg(priv->netdev, - "Failed to restore tunnel info for sampled packet\n"); - return; - } - mlx5e_tc_sample_skb(skb, mapped_obj); - mlx5_rep_tc_post_napi_receive(tc_priv); -} - -static bool mlx5e_restore_skb_int_port(struct mlx5e_priv *priv, struct sk_buff *skb, - struct mlx5_mapped_obj *mapped_obj, - struct mlx5e_tc_update_priv *tc_priv, - bool *forward_tx, - u32 reg_c1) -{ - u32 tunnel_id = (reg_c1 >> ESW_TUN_OFFSET) & TUNNEL_ID_MASK; - struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; - struct mlx5_rep_uplink_priv *uplink_priv; - struct mlx5e_rep_priv *uplink_rpriv; - - /* Tunnel restore takes precedence over int port restore */ - if (tunnel_id) - return mlx5e_restore_tunnel(priv, skb, tc_priv, tunnel_id); - - uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); - uplink_priv = &uplink_rpriv->uplink_priv; - - if (mlx5e_tc_int_port_dev_fwd(uplink_priv->int_port_priv, skb, - mapped_obj->int_port_metadata, forward_tx)) { - /* Set fwd_dev for future dev_put */ - tc_priv->fwd_dev = skb->dev; - - return true; - } - - return false; -} - void mlx5e_rep_tc_receive(struct mlx5_cqe64 *cqe, struct mlx5e_rq *rq, struct sk_buff *skb) { - u32 reg_c1 = be32_to_cpu(cqe->ft_metadata); + u32 reg_c0, reg_c1, zone_restore_id, tunnel_id; struct mlx5e_tc_update_priv tc_priv = {}; - struct mlx5_mapped_obj mapped_obj; + struct mlx5_rep_uplink_priv *uplink_priv; + struct mlx5e_rep_priv *uplink_rpriv; + struct mlx5_tc_ct_priv *ct_priv; + struct mapping_ctx *mapping_ctx; struct mlx5_eswitch *esw; - bool forward_tx = false; struct mlx5e_priv *priv; - u32 reg_c0; - int err; reg_c0 = (be32_to_cpu(cqe->sop_drop_qpn) & MLX5E_TC_FLOW_ID_MASK); if (!reg_c0 || reg_c0 == MLX5_FS_DEFAULT_FLOW_TAG) goto forward; - /* If reg_c0 is not equal to the default flow tag then skb->mark + /* If mapped_obj_id is not equal to the default flow tag then skb->mark * is not supported and must be reset back to 0. */ skb->mark = 0; priv = netdev_priv(skb->dev); esw = priv->mdev->priv.eswitch; - err = mapping_find(esw->offloads.reg_c0_obj_pool, reg_c0, &mapped_obj); - if (err) { - netdev_dbg(priv->netdev, - "Couldn't find mapped object for reg_c0: %d, err: %d\n", - reg_c0, err); - goto free_skb; - } + mapping_ctx = esw->offloads.reg_c0_obj_pool; + reg_c1 = be32_to_cpu(cqe->ft_metadata); + zone_restore_id = reg_c1 & ESW_ZONE_ID_MASK; + tunnel_id = (reg_c1 >> ESW_TUN_OFFSET) & TUNNEL_ID_MASK; - if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { - if (!mlx5e_restore_skb_chain(skb, mapped_obj.chain, reg_c1, &tc_priv) && - !mlx5_ipsec_is_rx_flow(cqe)) - goto free_skb; - } else if (mapped_obj.type == MLX5_MAPPED_OBJ_SAMPLE) { - mlx5e_restore_skb_sample(priv, skb, &mapped_obj, &tc_priv); - goto free_skb; - } else if (mapped_obj.type == MLX5_MAPPED_OBJ_INT_PORT_METADATA) { - if (!mlx5e_restore_skb_int_port(priv, skb, &mapped_obj, &tc_priv, - &forward_tx, reg_c1)) - goto free_skb; - } else { - netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); + uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); + uplink_priv = &uplink_rpriv->uplink_priv; + ct_priv = uplink_priv->ct_priv; + + if (!mlx5_ipsec_is_rx_flow(cqe) && + !mlx5e_tc_update_skb(cqe, skb, mapping_ctx, reg_c0, ct_priv, zone_restore_id, tunnel_id, + &tc_priv)) goto free_skb; - } forward: - if (forward_tx) + if (tc_priv.skb_done) + goto free_skb; + + if (tc_priv.forward_tx) dev_queue_xmit(skb); else napi_gro_receive(rq->cq.napi, skb); - mlx5_rep_tc_post_napi_receive(&tc_priv); + if (tc_priv.fwd_dev) + dev_put(tc_priv.fwd_dev); return; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index a9473a51edc1..fea0c2aa95e2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -1792,7 +1792,7 @@ static void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) mlx5e_complete_rx_cqe(rq, cqe, cqe_bcnt, skb); if (mlx5e_cqe_regb_chain(cqe)) - if (!mlx5e_tc_update_skb(cqe, skb)) { + if (!mlx5e_tc_update_skb_nic(cqe, skb)) { dev_kfree_skb_any(skb); goto free_wqe; } @@ -2259,7 +2259,7 @@ static void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cq mlx5e_complete_rx_cqe(rq, cqe, cqe_bcnt, skb); if (mlx5e_cqe_regb_chain(cqe)) - if (!mlx5e_tc_update_skb(cqe, skb)) { + if (!mlx5e_tc_update_skb_nic(cqe, skb)) { dev_kfree_skb_any(skb); goto mpwrq_cqe_out; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 247649cfd7ac..f5cd8df65e23 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -43,6 +43,7 @@ #include #include #include +#include #include "en.h" #include "en/tc/post_act.h" #include "en/tc/act_stats.h" @@ -5618,46 +5619,219 @@ int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, } } -bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, - struct sk_buff *skb) +static bool mlx5e_tc_restore_tunnel(struct mlx5e_priv *priv, struct sk_buff *skb, + struct mlx5e_tc_update_priv *tc_priv, + u32 tunnel_id) { - u32 chain = 0, chain_tag, reg_b, zone_restore_id; - struct mlx5e_priv *priv = netdev_priv(skb->dev); - struct mlx5_mapped_obj mapped_obj; - struct tc_skb_ext *tc_skb_ext; - struct mlx5e_tc_table *tc; + struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; + struct tunnel_match_enc_opts enc_opts = {}; + struct mlx5_rep_uplink_priv *uplink_priv; + struct mlx5e_rep_priv *uplink_rpriv; + struct metadata_dst *tun_dst; + struct tunnel_match_key key; + u32 tun_id, enc_opts_id; + struct net_device *dev; int err; - reg_b = be32_to_cpu(cqe->ft_metadata); - tc = mlx5e_fs_get_tc(priv->fs); - chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; + enc_opts_id = tunnel_id & ENC_OPTS_BITS_MASK; + tun_id = tunnel_id >> ENC_OPTS_BITS; + + if (!tun_id) + return true; + + uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); + uplink_priv = &uplink_rpriv->uplink_priv; - err = mapping_find(tc->mapping, chain_tag, &mapped_obj); + err = mapping_find(uplink_priv->tunnel_mapping, tun_id, &key); if (err) { netdev_dbg(priv->netdev, - "Couldn't find chain for chain tag: %d, err: %d\n", - chain_tag, err); + "Couldn't find tunnel for tun_id: %d, err: %d\n", + tun_id, err); + return false; + } + + if (enc_opts_id) { + err = mapping_find(uplink_priv->tunnel_enc_opts_mapping, + enc_opts_id, &enc_opts); + if (err) { + netdev_dbg(priv->netdev, + "Couldn't find tunnel (opts) for tun_id: %d, err: %d\n", + enc_opts_id, err); + return false; + } + } + + switch (key.enc_control.addr_type) { + case FLOW_DISSECTOR_KEY_IPV4_ADDRS: + tun_dst = __ip_tun_set_dst(key.enc_ipv4.src, key.enc_ipv4.dst, + key.enc_ip.tos, key.enc_ip.ttl, + key.enc_tp.dst, TUNNEL_KEY, + key32_to_tunnel_id(key.enc_key_id.keyid), + enc_opts.key.len); + break; + case FLOW_DISSECTOR_KEY_IPV6_ADDRS: + tun_dst = __ipv6_tun_set_dst(&key.enc_ipv6.src, &key.enc_ipv6.dst, + key.enc_ip.tos, key.enc_ip.ttl, + key.enc_tp.dst, 0, TUNNEL_KEY, + key32_to_tunnel_id(key.enc_key_id.keyid), + enc_opts.key.len); + break; + default: + netdev_dbg(priv->netdev, + "Couldn't restore tunnel, unsupported addr_type: %d\n", + key.enc_control.addr_type); + return false; + } + + if (!tun_dst) { + netdev_dbg(priv->netdev, "Couldn't restore tunnel, no tun_dst\n"); + return false; + } + + tun_dst->u.tun_info.key.tp_src = key.enc_tp.src; + + if (enc_opts.key.len) + ip_tunnel_info_opts_set(&tun_dst->u.tun_info, + enc_opts.key.data, + enc_opts.key.len, + enc_opts.key.dst_opt_type); + + skb_dst_set(skb, (struct dst_entry *)tun_dst); + dev = dev_get_by_index(&init_net, key.filter_ifindex); + if (!dev) { + netdev_dbg(priv->netdev, + "Couldn't find tunnel device with ifindex: %d\n", + key.filter_ifindex); return false; } - if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { - chain = mapped_obj.chain; + /* Set fwd_dev so we do dev_put() after datapath */ + tc_priv->fwd_dev = dev; + + skb->dev = dev; + + return true; +} + +static bool mlx5e_tc_restore_skb_chain(struct sk_buff *skb, struct mlx5_tc_ct_priv *ct_priv, + u32 chain, u32 zone_restore_id, + u32 tunnel_id, struct mlx5e_tc_update_priv *tc_priv) +{ + struct mlx5e_priv *priv = netdev_priv(skb->dev); + struct tc_skb_ext *tc_skb_ext; + + if (chain) { + if (!mlx5e_tc_ct_restore_flow(ct_priv, skb, zone_restore_id)) + return false; + tc_skb_ext = tc_skb_ext_alloc(skb); - if (WARN_ON(!tc_skb_ext)) + if (!tc_skb_ext) { + WARN_ON(1); return false; + } tc_skb_ext->chain = chain; + } - zone_restore_id = (reg_b >> MLX5_REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & - ESW_ZONE_ID_MASK; + if (tc_priv) + return mlx5e_tc_restore_tunnel(priv, skb, tc_priv, tunnel_id); - if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, - zone_restore_id)) - return false; - } else { + return true; +} + +static void mlx5e_tc_restore_skb_sample(struct mlx5e_priv *priv, struct sk_buff *skb, + struct mlx5_mapped_obj *mapped_obj, + struct mlx5e_tc_update_priv *tc_priv) +{ + if (!mlx5e_tc_restore_tunnel(priv, skb, tc_priv, mapped_obj->sample.tunnel_id)) { + netdev_dbg(priv->netdev, + "Failed to restore tunnel info for sampled packet\n"); + return; + } + mlx5e_tc_sample_skb(skb, mapped_obj); +} + +static bool mlx5e_tc_restore_skb_int_port(struct mlx5e_priv *priv, struct sk_buff *skb, + struct mlx5_mapped_obj *mapped_obj, + struct mlx5e_tc_update_priv *tc_priv, + u32 tunnel_id) +{ + struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; + struct mlx5_rep_uplink_priv *uplink_priv; + struct mlx5e_rep_priv *uplink_rpriv; + bool forward_tx = false; + + /* Tunnel restore takes precedence over int port restore */ + if (tunnel_id) + return mlx5e_tc_restore_tunnel(priv, skb, tc_priv, tunnel_id); + + uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); + uplink_priv = &uplink_rpriv->uplink_priv; + + if (mlx5e_tc_int_port_dev_fwd(uplink_priv->int_port_priv, skb, + mapped_obj->int_port_metadata, &forward_tx)) { + /* Set fwd_dev for future dev_put */ + tc_priv->fwd_dev = skb->dev; + tc_priv->forward_tx = forward_tx; + + return true; + } + + return false; +} + +bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, struct sk_buff *skb, + struct mapping_ctx *mapping_ctx, u32 mapped_obj_id, + struct mlx5_tc_ct_priv *ct_priv, + u32 zone_restore_id, u32 tunnel_id, + struct mlx5e_tc_update_priv *tc_priv) +{ + struct mlx5e_priv *priv = netdev_priv(skb->dev); + struct mlx5_mapped_obj mapped_obj; + int err; + + err = mapping_find(mapping_ctx, mapped_obj_id, &mapped_obj); + if (err) { + netdev_dbg(skb->dev, + "Couldn't find mapped object for mapped_obj_id: %d, err: %d\n", + mapped_obj_id, err); + return false; + } + + switch (mapped_obj.type) { + case MLX5_MAPPED_OBJ_CHAIN: + return mlx5e_tc_restore_skb_chain(skb, ct_priv, mapped_obj.chain, zone_restore_id, + tunnel_id, tc_priv); + case MLX5_MAPPED_OBJ_SAMPLE: + mlx5e_tc_restore_skb_sample(priv, skb, &mapped_obj, tc_priv); + tc_priv->skb_done = true; + return true; + case MLX5_MAPPED_OBJ_INT_PORT_METADATA: + return mlx5e_tc_restore_skb_int_port(priv, skb, &mapped_obj, tc_priv, tunnel_id); + default: netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); return false; } - return true; + return false; +} + +bool mlx5e_tc_update_skb_nic(struct mlx5_cqe64 *cqe, struct sk_buff *skb) +{ + struct mlx5e_priv *priv = netdev_priv(skb->dev); + u32 mapped_obj_id, reg_b, zone_restore_id; + struct mlx5_tc_ct_priv *ct_priv; + struct mapping_ctx *mapping_ctx; + struct mlx5e_tc_table *tc; + + reg_b = be32_to_cpu(cqe->ft_metadata); + tc = mlx5e_fs_get_tc(priv->fs); + mapped_obj_id = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; + zone_restore_id = (reg_b >> MLX5_REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & + ESW_ZONE_ID_MASK; + ct_priv = tc->ct; + mapping_ctx = tc->mapping; + + return mlx5e_tc_update_skb(cqe, skb, mapping_ctx, mapped_obj_id, ct_priv, zone_restore_id, + 0, NULL); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h index 9de797fdaea4..c918297831b4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h @@ -59,6 +59,8 @@ int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags); struct mlx5e_tc_update_priv { struct net_device *fwd_dev; + bool skb_done; + bool forward_tx; }; struct mlx5_nic_flow_attr { @@ -388,14 +390,19 @@ static inline bool mlx5e_cqe_regb_chain(struct mlx5_cqe64 *cqe) return false; } -bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, struct sk_buff *skb); +bool mlx5e_tc_update_skb_nic(struct mlx5_cqe64 *cqe, struct sk_buff *skb); +bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, struct sk_buff *skb, + struct mapping_ctx *mapping_ctx, u32 mapped_obj_id, + struct mlx5_tc_ct_priv *ct_priv, + u32 zone_restore_id, u32 tunnel_id, + struct mlx5e_tc_update_priv *tc_priv); #else /* CONFIG_MLX5_CLS_ACT */ static inline struct mlx5e_tc_table *mlx5e_tc_table_alloc(void) { return NULL; } static inline void mlx5e_tc_table_free(struct mlx5e_tc_table *tc) {} static inline bool mlx5e_cqe_regb_chain(struct mlx5_cqe64 *cqe) { return false; } static inline bool -mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, struct sk_buff *skb) +mlx5e_tc_update_skb_nic(struct mlx5_cqe64 *cqe, struct sk_buff *skb) { return true; } #endif