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path: root/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c208
1 files changed, 5 insertions, 203 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 3a82e385544d..8fb09143e9e8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -579,16 +579,16 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
if (esw->mode != MLX5_ESWITCH_OFFLOADS)
return ERR_PTR(-EOPNOTSUPP);
+ if (!mlx5_eswitch_vlan_actions_supported(esw->dev, 1))
+ return ERR_PTR(-EOPNOTSUPP);
+
dest = kcalloc(MLX5_MAX_FLOW_FWD_VPORTS + 1, sizeof(*dest), GFP_KERNEL);
if (!dest)
return ERR_PTR(-ENOMEM);
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, 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) {
+
+ if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH) {
flow_act.vlan[0].ethtype = ntohs(esw_attr->vlan_proto[0]);
flow_act.vlan[0].vid = esw_attr->vlan_vid[0];
flow_act.vlan[0].prio = esw_attr->vlan_prio[0];
@@ -829,204 +829,6 @@ mlx5_eswitch_del_fwd_rule(struct mlx5_eswitch *esw,
__mlx5_eswitch_del_rule(esw, rule, attr, true);
}
-static int esw_set_global_vlan_pop(struct mlx5_eswitch *esw, u8 val)
-{
- struct mlx5_eswitch_rep *rep;
- unsigned long i;
- int err = 0;
-
- esw_debug(esw->dev, "%s applying global %s policy\n", __func__, val ? "pop" : "none");
- mlx5_esw_for_each_host_func_vport(esw, i, rep, esw->esw_funcs.num_vfs) {
- if (atomic_read(&rep->rep_data[REP_ETH].state) != REP_LOADED)
- continue;
-
- err = __mlx5_eswitch_set_vport_vlan(esw, rep->vport, 0, 0, val);
- if (err)
- goto out;
- }
-
-out:
- return err;
-}
-
-static struct mlx5_eswitch_rep *
-esw_vlan_action_get_vport(struct mlx5_esw_flow_attr *attr, bool push, bool pop)
-{
- struct mlx5_eswitch_rep *in_rep, *out_rep, *vport = NULL;
-
- in_rep = attr->in_rep;
- out_rep = attr->dests[0].rep;
-
- if (push)
- vport = in_rep;
- else if (pop)
- vport = out_rep;
- else
- vport = in_rep;
-
- return vport;
-}
-
-static int esw_add_vlan_action_check(struct mlx5_esw_flow_attr *attr,
- bool push, bool pop, bool fwd)
-{
- struct mlx5_eswitch_rep *in_rep, *out_rep;
-
- if ((push || pop) && !fwd)
- goto out_notsupp;
-
- in_rep = attr->in_rep;
- out_rep = attr->dests[0].rep;
-
- if (push && in_rep->vport == MLX5_VPORT_UPLINK)
- goto out_notsupp;
-
- if (pop && out_rep->vport == MLX5_VPORT_UPLINK)
- goto out_notsupp;
-
- /* vport has vlan push configured, can't offload VF --> wire rules w.o it */
- if (!push && !pop && fwd)
- if (in_rep->vlan && out_rep->vport == MLX5_VPORT_UPLINK)
- goto out_notsupp;
-
- /* protects against (1) setting rules with different vlans to push and
- * (2) setting rules w.o vlans (attr->vlan = 0) && w. vlans to push (!= 0)
- */
- if (push && in_rep->vlan_refcount && (in_rep->vlan != attr->vlan_vid[0]))
- goto out_notsupp;
-
- return 0;
-
-out_notsupp:
- return -EOPNOTSUPP;
-}
-
-int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw,
- struct mlx5_flow_attr *attr)
-{
- struct offloads_fdb *offloads = &esw->fdb_table.offloads;
- struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr;
- struct mlx5_eswitch_rep *vport = NULL;
- bool push, pop, fwd;
- int err = 0;
-
- /* nop if we're on the vlan push/pop non emulation mode */
- if (mlx5_eswitch_vlan_actions_supported(esw->dev, 1))
- return 0;
-
- push = !!(attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH);
- pop = !!(attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP);
- fwd = !!((attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) &&
- !attr->dest_chain);
-
- mutex_lock(&esw->state_lock);
-
- err = esw_add_vlan_action_check(esw_attr, push, pop, fwd);
- if (err)
- goto unlock;
-
- attr->flags &= ~MLX5_ATTR_FLAG_VLAN_HANDLED;
-
- vport = esw_vlan_action_get_vport(esw_attr, push, pop);
-
- if (!push && !pop && fwd) {
- /* tracks VF --> wire rules without vlan push action */
- if (esw_attr->dests[0].rep->vport == MLX5_VPORT_UPLINK) {
- vport->vlan_refcount++;
- attr->flags |= MLX5_ATTR_FLAG_VLAN_HANDLED;
- }
-
- goto unlock;
- }
-
- if (!push && !pop)
- goto unlock;
-
- if (!(offloads->vlan_push_pop_refcount)) {
- /* it's the 1st vlan rule, apply global vlan pop policy */
- err = esw_set_global_vlan_pop(esw, SET_VLAN_STRIP);
- if (err)
- goto out;
- }
- offloads->vlan_push_pop_refcount++;
-
- if (push) {
- if (vport->vlan_refcount)
- goto skip_set_push;
-
- err = __mlx5_eswitch_set_vport_vlan(esw, vport->vport, esw_attr->vlan_vid[0],
- 0, SET_VLAN_INSERT | SET_VLAN_STRIP);
- if (err)
- goto out;
- vport->vlan = esw_attr->vlan_vid[0];
-skip_set_push:
- vport->vlan_refcount++;
- }
-out:
- if (!err)
- attr->flags |= MLX5_ATTR_FLAG_VLAN_HANDLED;
-unlock:
- mutex_unlock(&esw->state_lock);
- return err;
-}
-
-int mlx5_eswitch_del_vlan_action(struct mlx5_eswitch *esw,
- struct mlx5_flow_attr *attr)
-{
- struct offloads_fdb *offloads = &esw->fdb_table.offloads;
- struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr;
- struct mlx5_eswitch_rep *vport = NULL;
- bool push, pop, fwd;
- int err = 0;
-
- /* nop if we're on the vlan push/pop non emulation mode */
- if (mlx5_eswitch_vlan_actions_supported(esw->dev, 1))
- return 0;
-
- if (!(attr->flags & MLX5_ATTR_FLAG_VLAN_HANDLED))
- return 0;
-
- push = !!(attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH);
- pop = !!(attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP);
- fwd = !!(attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST);
-
- mutex_lock(&esw->state_lock);
-
- vport = esw_vlan_action_get_vport(esw_attr, push, pop);
-
- if (!push && !pop && fwd) {
- /* tracks VF --> wire rules without vlan push action */
- if (esw_attr->dests[0].rep->vport == MLX5_VPORT_UPLINK)
- vport->vlan_refcount--;
-
- goto out;
- }
-
- if (push) {
- vport->vlan_refcount--;
- if (vport->vlan_refcount)
- goto skip_unset_push;
-
- vport->vlan = 0;
- err = __mlx5_eswitch_set_vport_vlan(esw, vport->vport,
- 0, 0, SET_VLAN_STRIP);
- if (err)
- goto out;
- }
-
-skip_unset_push:
- offloads->vlan_push_pop_refcount--;
- if (offloads->vlan_push_pop_refcount)
- goto out;
-
- /* no more vlan rules, stop global vlan pop policy */
- err = esw_set_global_vlan_pop(esw, 0);
-
-out:
- mutex_unlock(&esw->state_lock);
- return err;
-}
-
struct mlx5_flow_handle *
mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *on_esw,
struct mlx5_eswitch *from_esw,