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path: root/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_tc.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tc.c105
1 files changed, 67 insertions, 38 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 44406a5ec15d..fade7233dac5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -48,9 +48,14 @@
#include "eswitch.h"
#include "vxlan.h"
+enum {
+ MLX5E_TC_FLOW_ESWITCH = BIT(0),
+};
+
struct mlx5e_tc_flow {
struct rhash_head node;
u64 cookie;
+ u8 flags;
struct mlx5_flow_handle *rule;
struct list_head encap; /* flows sharing the same encap */
struct mlx5_esw_flow_attr *attr;
@@ -128,6 +133,23 @@ err_create_ft:
return rule;
}
+static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv,
+ struct mlx5e_tc_flow *flow)
+{
+ struct mlx5_fc *counter = NULL;
+
+ if (!IS_ERR(flow->rule)) {
+ counter = mlx5_flow_rule_counter(flow->rule);
+ mlx5_del_flow_rules(flow->rule);
+ mlx5_fc_destroy(priv->mdev, counter);
+ }
+
+ if (!mlx5e_tc_num_filters(priv) && (priv->fs.tc.t)) {
+ mlx5_destroy_flow_table(priv->fs.tc.t);
+ priv->fs.tc.t = NULL;
+ }
+}
+
static struct mlx5_flow_handle *
mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
struct mlx5_flow_spec *spec,
@@ -144,7 +166,24 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
}
static void mlx5e_detach_encap(struct mlx5e_priv *priv,
- struct mlx5e_tc_flow *flow) {
+ struct mlx5e_tc_flow *flow);
+
+static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv,
+ struct mlx5e_tc_flow *flow)
+{
+ struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+
+ mlx5_eswitch_del_offloaded_rule(esw, flow->rule, flow->attr);
+
+ mlx5_eswitch_del_vlan_action(esw, flow->attr);
+
+ if (flow->attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)
+ mlx5e_detach_encap(priv, flow);
+}
+
+static void mlx5e_detach_encap(struct mlx5e_priv *priv,
+ struct mlx5e_tc_flow *flow)
+{
struct list_head *next = flow->encap.next;
list_del(&flow->encap);
@@ -168,25 +207,10 @@ static void mlx5e_detach_encap(struct mlx5e_priv *priv,
static void mlx5e_tc_del_flow(struct mlx5e_priv *priv,
struct mlx5e_tc_flow *flow)
{
- struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
- struct mlx5_fc *counter = NULL;
-
- if (!IS_ERR(flow->rule)) {
- counter = mlx5_flow_rule_counter(flow->rule);
- mlx5_del_flow_rules(flow->rule);
- mlx5_fc_destroy(priv->mdev, counter);
- }
-
- if (esw && esw->mode == SRIOV_OFFLOADS) {
- mlx5_eswitch_del_vlan_action(esw, flow->attr);
- if (flow->attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)
- mlx5e_detach_encap(priv, flow);
- }
-
- if (!mlx5e_tc_num_filters(priv) && (priv->fs.tc.t)) {
- mlx5_destroy_flow_table(priv->fs.tc.t);
- priv->fs.tc.t = NULL;
- }
+ if (flow->flags & MLX5E_TC_FLOW_ESWITCH)
+ mlx5e_tc_del_fdb_flow(priv, flow);
+ else
+ mlx5e_tc_del_nic_flow(priv, flow);
}
static void parse_vxlan_attr(struct mlx5_flow_spec *spec,
@@ -243,12 +267,15 @@ static int parse_tunnel_attr(struct mlx5e_priv *priv,
skb_flow_dissector_target(f->dissector,
FLOW_DISSECTOR_KEY_ENC_PORTS,
f->mask);
+ struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+ struct net_device *up_dev = mlx5_eswitch_get_uplink_netdev(esw);
+ struct mlx5e_priv *up_priv = netdev_priv(up_dev);
/* Full udp dst port must be given */
if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst)))
goto vxlan_match_offload_err;
- if (mlx5e_vxlan_lookup_port(priv, be16_to_cpu(key->dst)) &&
+ if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->dst)) &&
MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap))
parse_vxlan_attr(spec, f);
else {
@@ -598,6 +625,7 @@ static int __parse_cls_flower(struct mlx5e_priv *priv,
}
static int parse_cls_flower(struct mlx5e_priv *priv,
+ struct mlx5e_tc_flow *flow,
struct mlx5_flow_spec *spec,
struct tc_cls_flower_offload *f)
{
@@ -609,7 +637,7 @@ static int parse_cls_flower(struct mlx5e_priv *priv,
err = __parse_cls_flower(priv, spec, f, &min_inline);
- if (!err && esw->mode == SRIOV_OFFLOADS &&
+ if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH) &&
rep->vport != FDB_UPLINK_VPORT) {
if (min_inline > esw->offloads.inline_mode) {
netdev_warn(priv->netdev,
@@ -970,6 +998,8 @@ static int mlx5e_attach_encap(struct mlx5e_priv *priv,
struct mlx5_esw_flow_attr *attr)
{
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+ struct net_device *up_dev = mlx5_eswitch_get_uplink_netdev(esw);
+ struct mlx5e_priv *up_priv = netdev_priv(up_dev);
unsigned short family = ip_tunnel_info_af(tun_info);
struct ip_tunnel_key *key = &tun_info->key;
struct mlx5_encap_entry *e;
@@ -990,7 +1020,7 @@ vxlan_encap_offload_err:
return -EOPNOTSUPP;
}
- if (mlx5e_vxlan_lookup_port(priv, be16_to_cpu(key->tp_dst)) &&
+ if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->tp_dst)) &&
MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) {
tunnel_type = MLX5_HEADER_TYPE_VXLAN;
} else {
@@ -1106,14 +1136,16 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts,
}
if (is_tcf_vlan(a)) {
- if (tcf_vlan_action(a) == VLAN_F_POP) {
+ if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) {
attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP;
- } else if (tcf_vlan_action(a) == VLAN_F_PUSH) {
+ } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) {
if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q))
return -EOPNOTSUPP;
attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH;
attr->vlan = tcf_vlan_push_vid(a);
+ } else { /* action is TCA_VLAN_ACT_MODIFY */
+ return -EOPNOTSUPP;
}
continue;
}
@@ -1132,23 +1164,19 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv, __be16 protocol,
struct tc_cls_flower_offload *f)
{
struct mlx5e_tc_table *tc = &priv->fs.tc;
- int err = 0;
- bool fdb_flow = false;
+ int err, attr_size = 0;
u32 flow_tag, action;
struct mlx5e_tc_flow *flow;
struct mlx5_flow_spec *spec;
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+ u8 flow_flags = 0;
- if (esw && esw->mode == SRIOV_OFFLOADS)
- fdb_flow = true;
-
- if (fdb_flow)
- flow = kzalloc(sizeof(*flow) +
- sizeof(struct mlx5_esw_flow_attr),
- GFP_KERNEL);
- else
- flow = kzalloc(sizeof(*flow), GFP_KERNEL);
+ if (esw && esw->mode == SRIOV_OFFLOADS) {
+ flow_flags = MLX5E_TC_FLOW_ESWITCH;
+ attr_size = sizeof(struct mlx5_esw_flow_attr);
+ }
+ flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL);
spec = mlx5_vzalloc(sizeof(*spec));
if (!spec || !flow) {
err = -ENOMEM;
@@ -1156,12 +1184,13 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv, __be16 protocol,
}
flow->cookie = f->cookie;
+ flow->flags = flow_flags;
- err = parse_cls_flower(priv, spec, f);
+ err = parse_cls_flower(priv, flow, spec, f);
if (err < 0)
goto err_free;
- if (fdb_flow) {
+ if (flow->flags & MLX5E_TC_FLOW_ESWITCH) {
flow->attr = (struct mlx5_esw_flow_attr *)(flow + 1);
err = parse_tc_fdb_actions(priv, f->exts, flow);
if (err < 0)