From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/include/linux/mlx5/eswitch.h | 125 ++++++++++++++++++++++++++++++++++-------
1 files changed, 102 insertions(+), 23 deletions(-)
diff --git a/kernel/include/linux/mlx5/eswitch.h b/kernel/include/linux/mlx5/eswitch.h
index fab5121..b0ae802 100644
--- a/kernel/include/linux/mlx5/eswitch.h
+++ b/kernel/include/linux/mlx5/eswitch.h
@@ -7,13 +7,14 @@
#define _MLX5_ESWITCH_
#include <linux/mlx5/driver.h>
+#include <net/devlink.h>
#define MLX5_ESWITCH_MANAGER(mdev) MLX5_CAP_GEN(mdev, eswitch_manager)
enum {
- SRIOV_NONE,
- SRIOV_LEGACY,
- SRIOV_OFFLOADS
+ MLX5_ESWITCH_NONE,
+ MLX5_ESWITCH_LEGACY,
+ MLX5_ESWITCH_OFFLOADS
};
enum {
@@ -22,39 +23,117 @@
NUM_REP_TYPES,
};
+enum {
+ REP_UNREGISTERED,
+ REP_REGISTERED,
+ REP_LOADED,
+};
+
struct mlx5_eswitch_rep;
-struct mlx5_eswitch_rep_if {
- int (*load)(struct mlx5_core_dev *dev,
- struct mlx5_eswitch_rep *rep);
- void (*unload)(struct mlx5_eswitch_rep *rep);
- void *(*get_proto_dev)(struct mlx5_eswitch_rep *rep);
- void *priv;
- bool valid;
+struct mlx5_eswitch_rep_ops {
+ int (*load)(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep);
+ void (*unload)(struct mlx5_eswitch_rep *rep);
+ void *(*get_proto_dev)(struct mlx5_eswitch_rep *rep);
+};
+
+struct mlx5_eswitch_rep_data {
+ void *priv;
+ atomic_t state;
};
struct mlx5_eswitch_rep {
- struct mlx5_eswitch_rep_if rep_if[NUM_REP_TYPES];
+ struct mlx5_eswitch_rep_data rep_data[NUM_REP_TYPES];
u16 vport;
- u8 hw_id[ETH_ALEN];
u16 vlan;
+ /* Only IB rep is using vport_index */
+ u16 vport_index;
u32 vlan_refcount;
};
-void mlx5_eswitch_register_vport_rep(struct mlx5_eswitch *esw,
- int vport_index,
- struct mlx5_eswitch_rep_if *rep_if,
- u8 rep_type);
-void mlx5_eswitch_unregister_vport_rep(struct mlx5_eswitch *esw,
- int vport_index,
- u8 rep_type);
+void mlx5_eswitch_register_vport_reps(struct mlx5_eswitch *esw,
+ const struct mlx5_eswitch_rep_ops *ops,
+ u8 rep_type);
+void mlx5_eswitch_unregister_vport_reps(struct mlx5_eswitch *esw, u8 rep_type);
void *mlx5_eswitch_get_proto_dev(struct mlx5_eswitch *esw,
- int vport,
+ u16 vport_num,
u8 rep_type);
struct mlx5_eswitch_rep *mlx5_eswitch_vport_rep(struct mlx5_eswitch *esw,
- int vport);
+ u16 vport_num);
void *mlx5_eswitch_uplink_get_proto_dev(struct mlx5_eswitch *esw, u8 rep_type);
-u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw);
struct mlx5_flow_handle *
mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *esw,
- int vport, u32 sqn);
+ u16 vport_num, u32 sqn);
+
+u16 mlx5_eswitch_get_total_vports(const struct mlx5_core_dev *dev);
+
+#ifdef CONFIG_MLX5_ESWITCH
+enum devlink_eswitch_encap_mode
+mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev *dev);
+
+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) >
+ *
+ * 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.
+ * 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)
+
+static inline u32 mlx5_eswitch_get_vport_metadata_mask(void)
+{
+ return GENMASK(31, 32 - ESW_SOURCE_PORT_METADATA_BITS);
+}
+
+u32 mlx5_eswitch_get_vport_metadata_for_match(struct mlx5_eswitch *esw,
+ u16 vport_num);
+u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw);
+#else /* CONFIG_MLX5_ESWITCH */
+
+static inline u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw)
+{
+ return MLX5_ESWITCH_NONE;
+}
+
+static inline enum devlink_eswitch_encap_mode
+mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev *dev)
+{
+ return DEVLINK_ESWITCH_ENCAP_MODE_NONE;
+}
+
+static inline bool
+mlx5_eswitch_reg_c1_loopback_enabled(const struct mlx5_eswitch *esw)
+{
+ return false;
+};
+
+static inline bool
+mlx5_eswitch_vport_match_metadata_enabled(const struct mlx5_eswitch *esw)
+{
+ return false;
+};
+
+static inline u32
+mlx5_eswitch_get_vport_metadata_for_match(struct mlx5_eswitch *esw,
+ int vport_num)
+{
+ return 0;
+};
+
+static inline u32
+mlx5_eswitch_get_vport_metadata_mask(void)
+{
+ return 0;
+}
+#endif /* CONFIG_MLX5_ESWITCH */
+
#endif
--
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