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 11a44d30adc7cdce32e6f9665eff9b6c27a93612..dde83cba85c30f12cfa505696d4c53e471a78992 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
@@ -618,9 +618,10 @@ bool mlx5e_rep_tc_update_skb(struct mlx5_cqe64 *cqe,
struct mlx5e_tc_update_priv *tc_priv)
{
#if IS_ENABLED(CONFIG_NET_TC_SKB_EXT)
- u32 chain = 0, reg_c0, reg_c1, tunnel_id, zone_restore_id;
+ u32 reg_c0, reg_c1, tunnel_id, zone_restore_id;
struct mlx5_rep_uplink_priv *uplink_priv;
struct mlx5e_rep_priv *uplink_rpriv;
+ struct mlx5_mapped_obj mapped_obj;
struct tc_skb_ext *tc_skb_ext;
struct mlx5_eswitch *esw;
struct mlx5e_priv *priv;
@@ -640,30 +641,35 @@ bool mlx5e_rep_tc_update_skb(struct mlx5_cqe64 *cqe,
priv = netdev_priv(skb->dev);
esw = priv->mdev->priv.eswitch;
- err = mlx5_get_chain_for_tag(esw_chains(esw), reg_c0, &chain);
+ err = mlx5_get_mapped_object(esw_chains(esw), reg_c0, &mapped_obj);
if (err) {
netdev_dbg(priv->netdev,
- "Couldn't find chain for chain tag: %d, err: %d\n",
+ "Couldn't find mapped object for reg_c0: %d, err: %d\n",
reg_c0, err);
return false;
}
- if (chain) {
- tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT);
- if (!tc_skb_ext) {
- WARN_ON(1);
- return false;
- }
+ if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) {
+ if (mapped_obj.chain) {
+ tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT);
+ if (!tc_skb_ext) {
+ WARN_ON(1);
+ return false;
+ }
- tc_skb_ext->chain = chain;
+ tc_skb_ext->chain = mapped_obj.chain;
- zone_restore_id = reg_c1 & ESW_ZONE_ID_MASK;
+ zone_restore_id = reg_c1 & ESW_ZONE_ID_MASK;
- 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;
+ 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;
+ }
+ } else {
+ netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type);
+ return false;
}
tunnel_id = reg_c1 >> ESW_TUN_OFFSET;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index bb1e0d442b5c3d8c797510a51e7618d1bacd8ce6..9b5607ddb9a2f25173d53df9b9dd69669a61b46d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -4973,6 +4973,7 @@ bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe,
u32 chain = 0, chain_tag, reg_b, zone_restore_id;
struct mlx5e_priv *priv = netdev_priv(skb->dev);
struct mlx5e_tc_table *tc = &priv->fs.tc;
+ struct mlx5_mapped_obj mapped_obj;
struct tc_skb_ext *tc_skb_ext;
int err;
@@ -4980,7 +4981,7 @@ bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe,
chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK;
- err = mlx5_get_chain_for_tag(nic_chains(priv), chain_tag, &chain);
+ err = mlx5_get_mapped_object(nic_chains(priv), chain_tag, &mapped_obj);
if (err) {
netdev_dbg(priv->netdev,
"Couldn't find chain for chain tag: %d, err: %d\n",
@@ -4988,7 +4989,8 @@ bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe,
return false;
}
- if (chain) {
+ if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) {
+ chain = mapped_obj.chain;
tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT);
if (WARN_ON(!tc_skb_ext))
return false;
@@ -5001,6 +5003,9 @@ bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe,
if (!mlx5e_tc_ct_restore_flow(tc->ct, skb,
zone_restore_id))
return false;
+ } else {
+ netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type);
+ return false;
}
#endif /* CONFIG_NET_TC_SKB_EXT */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index e0415676821aa5e0002da361d372fed0562bb0d7..c5b35e7f8aedb0131159f23cc3df9119365cc6f3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -47,6 +47,17 @@
#include "sf/sf.h"
#include "en/tc_ct.h"
+enum mlx5_mapped_obj_type {
+ MLX5_MAPPED_OBJ_CHAIN,
+};
+
+struct mlx5_mapped_obj {
+ enum mlx5_mapped_obj_type type;
+ union {
+ u32 chain;
+ };
+};
+
#ifdef CONFIG_MLX5_ESWITCH
#define ESW_OFFLOADS_DEFAULT_NUM_GROUPS 15
@@ -733,8 +744,6 @@ mlx5_esw_vporttbl_put(struct mlx5_eswitch *esw, struct mlx5_vport_tbl_attr *attr
struct mlx5_flow_handle *
esw_add_restore_rule(struct mlx5_eswitch *esw, u32 tag);
-u32
-esw_get_max_restore_tag(struct mlx5_eswitch *esw);
int esw_offloads_load_rep(struct mlx5_eswitch *esw, u16 vport_num);
void esw_offloads_unload_rep(struct mlx5_eswitch *esw, u16 vport_num);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 8ac4b60ea225c1952af1e4804e57ed3bfd53ee29..117d9fa93ff564a88567f4329d715cf2ef7666c4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -1286,7 +1286,7 @@ esw_add_restore_rule(struct mlx5_eswitch *esw, u32 tag)
misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
misc_parameters_2);
MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0,
- ESW_CHAIN_TAG_METADATA_MASK);
+ ESW_REG_C0_USER_DATA_METADATA_MASK);
misc = MLX5_ADDR_OF(fte_match_param, spec->match_value,
misc_parameters_2);
MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0, tag);
@@ -1312,12 +1312,6 @@ esw_add_restore_rule(struct mlx5_eswitch *esw, u32 tag)
return flow_rule;
}
-u32
-esw_get_max_restore_tag(struct mlx5_eswitch *esw)
-{
- return ESW_CHAIN_TAG_METADATA_MASK;
-}
-
#define MAX_PF_SQ 256
#define MAX_SQ_NVPORTS 32
@@ -1434,7 +1428,7 @@ esw_chains_create(struct mlx5_eswitch *esw, struct mlx5_flow_table *miss_fdb)
attr.max_ft_sz = fdb_max;
attr.max_grp_num = esw->params.large_group_num;
attr.default_ft = miss_fdb;
- attr.max_restore_tag = esw_get_max_restore_tag(esw);
+ attr.max_restore_tag = ESW_REG_C0_USER_DATA_METADATA_MASK;
chains = mlx5_chains_create(dev, &attr);
if (IS_ERR(chains)) {
@@ -1928,7 +1922,7 @@ static int esw_create_restore_table(struct mlx5_eswitch *esw)
goto out_free;
}
- ft_attr.max_fte = 1 << ESW_CHAIN_TAG_METADATA_BITS;
+ ft_attr.max_fte = 1 << ESW_REG_C0_USER_DATA_METADATA_BITS;
ft = mlx5_create_flow_table(ns, &ft_attr);
if (IS_ERR(ft)) {
err = PTR_ERR(ft);
@@ -1943,7 +1937,7 @@ static int esw_create_restore_table(struct mlx5_eswitch *esw)
misc_parameters_2);
MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0,
- ESW_CHAIN_TAG_METADATA_MASK);
+ ESW_REG_C0_USER_DATA_METADATA_MASK);
MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index,
ft_attr.max_fte - 1);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.c
index 381325b4a863ea7670161e2c10cabcfb3d87c576..00ff809dcfe897ba45a54bd661be75a5f0b133cd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.c
@@ -832,8 +832,7 @@ mlx5_chains_init(struct mlx5_core_dev *dev, struct mlx5_chains_attr *attr)
if (err)
goto init_prios_ht_err;
- mapping = mapping_create(sizeof(u32), attr->max_restore_tag,
- true);
+ mapping = mapping_create(sizeof(struct mlx5_mapped_obj), attr->max_restore_tag, true);
if (IS_ERR(mapping)) {
err = PTR_ERR(mapping);
goto mapping_err;
@@ -884,21 +883,28 @@ int
mlx5_chains_get_chain_mapping(struct mlx5_fs_chains *chains, u32 chain,
u32 *chain_mapping)
{
- return mapping_add(chains_mapping(chains), &chain, chain_mapping);
+ struct mapping_ctx *ctx = chains->chains_mapping;
+ struct mlx5_mapped_obj mapped_obj = {};
+
+ mapped_obj.type = MLX5_MAPPED_OBJ_CHAIN;
+ mapped_obj.chain = chain;
+ return mapping_add(ctx, &mapped_obj, chain_mapping);
}
int
mlx5_chains_put_chain_mapping(struct mlx5_fs_chains *chains, u32 chain_mapping)
{
- return mapping_remove(chains_mapping(chains), chain_mapping);
+ struct mapping_ctx *ctx = chains->chains_mapping;
+
+ return mapping_remove(ctx, chain_mapping);
}
-int mlx5_get_chain_for_tag(struct mlx5_fs_chains *chains, u32 tag,
- u32 *chain)
+int
+mlx5_get_mapped_object(struct mlx5_fs_chains *chains, u32 tag, struct mlx5_mapped_obj *obj)
{
int err;
- err = mapping_find(chains_mapping(chains), tag, chain);
+ err = mapping_find(chains->chains_mapping, tag, obj);
if (err) {
mlx5_core_warn(chains->dev, "Can't find chain for tag: %d\n", tag);
return -ENOENT;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.h
index 6d5be31b05dd758ef2fe4e099b57504259501649..75a3bba12a7800a332fae2cdcd89d118427790a7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.h
@@ -7,6 +7,7 @@
#include <linux/mlx5/fs.h>
struct mlx5_fs_chains;
+struct mlx5_mapped_obj;
enum mlx5_chains_flags {
MLX5_CHAINS_AND_PRIOS_SUPPORTED = BIT(0),
@@ -64,7 +65,7 @@ mlx5_chains_create(struct mlx5_core_dev *dev, struct mlx5_chains_attr *attr);
void mlx5_chains_destroy(struct mlx5_fs_chains *chains);
int
-mlx5_get_chain_for_tag(struct mlx5_fs_chains *chains, u32 tag, u32 *chain);
+mlx5_get_mapped_object(struct mlx5_fs_chains *chains, u32 tag, struct mlx5_mapped_obj *obj);
void
mlx5_chains_set_end_ft(struct mlx5_fs_chains *chains,
diff --git a/include/linux/mlx5/eswitch.h b/include/linux/mlx5/eswitch.h
index 994c2c8cb4fd74600a103fd7a0dd3efd3d0bc668..125ae482383b269be3a3e46e18dd4f0648ceb67a 100644
--- a/include/linux/mlx5/eswitch.h
+++ b/include/linux/mlx5/eswitch.h
@@ -74,20 +74,19 @@ bool mlx5_eswitch_reg_c1_loopback_enabled(const struct mlx5_eswitch *esw);
bool mlx5_eswitch_vport_match_metadata_enabled(const struct mlx5_eswitch *esw);
/* Reg C0 usage:
- * Reg C0 = < ESW_PFNUM_BITS(4) | ESW_VPORT BITS(12) | ESW_CHAIN_TAG(16) >
+ * Reg C0 = < ESW_PFNUM_BITS(4) | ESW_VPORT BITS(12) | ESW_REG_C0_OBJ(16) >
*
* Highest 4 bits of the reg c0 is the PF_NUM (range 0-15), 12 bits of
* unique non-zero vport id (range 1-4095). The rest (lowest 16 bits) is left
- * for tc chain tag restoration.
+ * for user data objects managed by a common mapping context.
* PFNUM + VPORT comprise the SOURCE_PORT matching.
*/
#define ESW_VPORT_BITS 12
#define ESW_PFNUM_BITS 4
#define ESW_SOURCE_PORT_METADATA_BITS (ESW_PFNUM_BITS + ESW_VPORT_BITS)
#define ESW_SOURCE_PORT_METADATA_OFFSET (32 - ESW_SOURCE_PORT_METADATA_BITS)
-#define ESW_CHAIN_TAG_METADATA_BITS (32 - ESW_SOURCE_PORT_METADATA_BITS)
-#define ESW_CHAIN_TAG_METADATA_MASK GENMASK(ESW_CHAIN_TAG_METADATA_BITS - 1,\
- 0)
+#define ESW_REG_C0_USER_DATA_METADATA_BITS (32 - ESW_SOURCE_PORT_METADATA_BITS)
+#define ESW_REG_C0_USER_DATA_METADATA_MASK GENMASK(ESW_REG_C0_USER_DATA_METADATA_BITS - 1, 0)
static inline u32 mlx5_eswitch_get_vport_metadata_mask(void)
{