diff options
author | Jianbo Liu <jianbol@mellanox.com> | 2018-04-25 09:57:26 +0000 |
---|---|---|
committer | Saeed Mahameed <saeedm@mellanox.com> | 2018-07-23 15:01:11 -0700 |
commit | cc495188a8ff0d169ad7c0182acd9c08b90e29ea (patch) | |
tree | 384a3bd2198b1c0fd4209b627fdde49044862d6a | |
parent | 1482bd3d50d77d28961999ade98854b31b342156 (diff) |
net/mlx5e: Support offloading double vlan push/pop tc actions
As we can configure two push/pop actions in one flow table entry,
add support to offload those double vlan actions in a rule to HW.
Signed-off-by: Jianbo Liu <jianbol@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 46 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eswitch.h | 21 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 11 |
3 files changed, 58 insertions, 20 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 35b3e135ae1d..e9888d6c1f7c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -2583,24 +2583,48 @@ static int parse_tc_vlan_action(struct mlx5e_priv *priv, struct mlx5_esw_flow_attr *attr, u32 *action) { + u8 vlan_idx = attr->total_vlan; + + if (vlan_idx >= MLX5_FS_VLAN_DEPTH) + return -EOPNOTSUPP; + if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) { - *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; + if (vlan_idx) { + if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, + MLX5_FS_VLAN_DEPTH)) + return -EOPNOTSUPP; + + *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; + } else { + *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; + } } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) { - *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; - attr->vlan_vid[0] = tcf_vlan_push_vid(a); - if (mlx5_eswitch_vlan_actions_supported(priv->mdev)) { - attr->vlan_prio[0] = tcf_vlan_push_prio(a); - attr->vlan_proto[0] = tcf_vlan_push_proto(a); - if (!attr->vlan_proto[0]) - attr->vlan_proto[0] = htons(ETH_P_8021Q); - } else if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) || - tcf_vlan_push_prio(a)) { - return -EOPNOTSUPP; + attr->vlan_vid[vlan_idx] = tcf_vlan_push_vid(a); + attr->vlan_prio[vlan_idx] = tcf_vlan_push_prio(a); + attr->vlan_proto[vlan_idx] = tcf_vlan_push_proto(a); + if (!attr->vlan_proto[vlan_idx]) + attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); + + if (vlan_idx) { + if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, + MLX5_FS_VLAN_DEPTH)) + return -EOPNOTSUPP; + + *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; + } else { + if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && + (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) || + tcf_vlan_push_prio(a))) + return -EOPNOTSUPP; + + *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; } } else { /* action is TCA_VLAN_ACT_MODIFY */ return -EOPNOTSUPP; } + attr->total_vlan = vlan_idx + 1; + return 0; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h index befa0011efee..c17bfcab517c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -38,6 +38,7 @@ #include <net/devlink.h> #include <linux/mlx5/device.h> #include <linux/mlx5/eswitch.h> +#include <linux/mlx5/fs.h> #include "lib/mpfs.h" #ifdef CONFIG_MLX5_ESWITCH @@ -256,9 +257,10 @@ struct mlx5_esw_flow_attr { int out_count; int action; - __be16 vlan_proto[1]; - u16 vlan_vid[1]; - u8 vlan_prio[1]; + __be16 vlan_proto[MLX5_FS_VLAN_DEPTH]; + u16 vlan_vid[MLX5_FS_VLAN_DEPTH]; + u8 vlan_prio[MLX5_FS_VLAN_DEPTH]; + u8 total_vlan; bool vlan_handled; u32 encap_id; u32 mod_hdr_id; @@ -282,10 +284,17 @@ int mlx5_eswitch_del_vlan_action(struct mlx5_eswitch *esw, int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw, int vport, u16 vlan, u8 qos, u8 set_flags); -static inline bool mlx5_eswitch_vlan_actions_supported(struct mlx5_core_dev *dev) +static inline bool mlx5_eswitch_vlan_actions_supported(struct mlx5_core_dev *dev, + u8 vlan_depth) { - return MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan) && - MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan); + bool ret = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan) && + MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan); + + if (vlan_depth == 1) + return ret; + + return ret && MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan_2) && + MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan_2); } #define MLX5_DEBUG_ESWITCH_MASK BIT(3) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 552954d7184e..f72b5c9dcfe9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -66,13 +66,18 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw, flow_act.action = attr->action; /* if per flow vlan pop/push is emulated, don't set that into the firmware */ - if (!mlx5_eswitch_vlan_actions_supported(esw->dev)) + if (!mlx5_eswitch_vlan_actions_supported(esw->dev, 1)) flow_act.action &= ~(MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH | MLX5_FLOW_CONTEXT_ACTION_VLAN_POP); else if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH) { flow_act.vlan[0].ethtype = ntohs(attr->vlan_proto[0]); flow_act.vlan[0].vid = attr->vlan_vid[0]; flow_act.vlan[0].prio = attr->vlan_prio[0]; + if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2) { + flow_act.vlan[1].ethtype = ntohs(attr->vlan_proto[1]); + flow_act.vlan[1].vid = attr->vlan_vid[1]; + flow_act.vlan[1].prio = attr->vlan_prio[1]; + } } if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { @@ -284,7 +289,7 @@ int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw, int err = 0; /* nop if we're on the vlan push/pop non emulation mode */ - if (mlx5_eswitch_vlan_actions_supported(esw->dev)) + if (mlx5_eswitch_vlan_actions_supported(esw->dev, 1)) return 0; push = !!(attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH); @@ -347,7 +352,7 @@ int mlx5_eswitch_del_vlan_action(struct mlx5_eswitch *esw, int err = 0; /* nop if we're on the vlan push/pop non emulation mode */ - if (mlx5_eswitch_vlan_actions_supported(esw->dev)) + if (mlx5_eswitch_vlan_actions_supported(esw->dev, 1)) return 0; if (!attr->vlan_handled) |