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>
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@ -2583,24 +2583,48 @@ static int parse_tc_vlan_action(struct mlx5e_priv *priv,
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struct mlx5_esw_flow_attr *attr,
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u32 *action)
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{
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u8 vlan_idx = attr->total_vlan;
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if (vlan_idx >= MLX5_FS_VLAN_DEPTH)
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return -EOPNOTSUPP;
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if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) {
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*action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP;
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if (vlan_idx) {
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if (!mlx5_eswitch_vlan_actions_supported(priv->mdev,
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MLX5_FS_VLAN_DEPTH))
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return -EOPNOTSUPP;
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*action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2;
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} else {
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*action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP;
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}
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} else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) {
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*action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH;
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attr->vlan_vid[0] = tcf_vlan_push_vid(a);
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if (mlx5_eswitch_vlan_actions_supported(priv->mdev)) {
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attr->vlan_prio[0] = tcf_vlan_push_prio(a);
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attr->vlan_proto[0] = tcf_vlan_push_proto(a);
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if (!attr->vlan_proto[0])
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attr->vlan_proto[0] = htons(ETH_P_8021Q);
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} else if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) ||
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tcf_vlan_push_prio(a)) {
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return -EOPNOTSUPP;
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attr->vlan_vid[vlan_idx] = tcf_vlan_push_vid(a);
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attr->vlan_prio[vlan_idx] = tcf_vlan_push_prio(a);
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attr->vlan_proto[vlan_idx] = tcf_vlan_push_proto(a);
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if (!attr->vlan_proto[vlan_idx])
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attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q);
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if (vlan_idx) {
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if (!mlx5_eswitch_vlan_actions_supported(priv->mdev,
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MLX5_FS_VLAN_DEPTH))
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return -EOPNOTSUPP;
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*action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2;
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} else {
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if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) &&
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(tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) ||
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tcf_vlan_push_prio(a)))
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return -EOPNOTSUPP;
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*action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH;
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}
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} else { /* action is TCA_VLAN_ACT_MODIFY */
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return -EOPNOTSUPP;
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}
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attr->total_vlan = vlan_idx + 1;
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return 0;
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}
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@ -38,6 +38,7 @@
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#include <net/devlink.h>
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#include <linux/mlx5/device.h>
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#include <linux/mlx5/eswitch.h>
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#include <linux/mlx5/fs.h>
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#include "lib/mpfs.h"
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#ifdef CONFIG_MLX5_ESWITCH
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@ -256,9 +257,10 @@ struct mlx5_esw_flow_attr {
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int out_count;
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int action;
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__be16 vlan_proto[1];
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u16 vlan_vid[1];
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u8 vlan_prio[1];
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__be16 vlan_proto[MLX5_FS_VLAN_DEPTH];
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u16 vlan_vid[MLX5_FS_VLAN_DEPTH];
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u8 vlan_prio[MLX5_FS_VLAN_DEPTH];
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u8 total_vlan;
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bool vlan_handled;
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u32 encap_id;
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u32 mod_hdr_id;
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@ -282,10 +284,17 @@ int mlx5_eswitch_del_vlan_action(struct mlx5_eswitch *esw,
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int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
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int vport, u16 vlan, u8 qos, u8 set_flags);
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static inline bool mlx5_eswitch_vlan_actions_supported(struct mlx5_core_dev *dev)
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static inline bool mlx5_eswitch_vlan_actions_supported(struct mlx5_core_dev *dev,
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u8 vlan_depth)
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{
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return MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan) &&
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MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan);
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bool ret = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan) &&
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MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan);
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if (vlan_depth == 1)
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return ret;
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return ret && MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan_2) &&
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MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan_2);
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}
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#define MLX5_DEBUG_ESWITCH_MASK BIT(3)
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@ -66,13 +66,18 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
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flow_act.action = attr->action;
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/* if per flow vlan pop/push is emulated, don't set that into the firmware */
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if (!mlx5_eswitch_vlan_actions_supported(esw->dev))
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if (!mlx5_eswitch_vlan_actions_supported(esw->dev, 1))
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flow_act.action &= ~(MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH |
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MLX5_FLOW_CONTEXT_ACTION_VLAN_POP);
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else if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH) {
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flow_act.vlan[0].ethtype = ntohs(attr->vlan_proto[0]);
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flow_act.vlan[0].vid = attr->vlan_vid[0];
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flow_act.vlan[0].prio = attr->vlan_prio[0];
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if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2) {
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flow_act.vlan[1].ethtype = ntohs(attr->vlan_proto[1]);
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flow_act.vlan[1].vid = attr->vlan_vid[1];
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flow_act.vlan[1].prio = attr->vlan_prio[1];
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}
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}
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if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
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@ -284,7 +289,7 @@ int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw,
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int err = 0;
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/* nop if we're on the vlan push/pop non emulation mode */
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if (mlx5_eswitch_vlan_actions_supported(esw->dev))
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if (mlx5_eswitch_vlan_actions_supported(esw->dev, 1))
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return 0;
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push = !!(attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH);
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@ -347,7 +352,7 @@ int mlx5_eswitch_del_vlan_action(struct mlx5_eswitch *esw,
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int err = 0;
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/* nop if we're on the vlan push/pop non emulation mode */
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if (mlx5_eswitch_vlan_actions_supported(esw->dev))
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if (mlx5_eswitch_vlan_actions_supported(esw->dev, 1))
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return 0;
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if (!attr->vlan_handled)
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