aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/include/net/switchdev.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/net/switchdev.h')
-rw-r--r--include/net/switchdev.h220
1 files changed, 173 insertions, 47 deletions
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 53e8b4994296..8346b0d29542 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -16,34 +16,36 @@
#define SWITCHDEV_F_SKIP_EOPNOTSUPP BIT(1)
#define SWITCHDEV_F_DEFER BIT(2)
-struct switchdev_trans {
- bool ph_prepare;
-};
-
-static inline bool switchdev_trans_ph_prepare(struct switchdev_trans *trans)
-{
- return trans && trans->ph_prepare;
-}
-
-static inline bool switchdev_trans_ph_commit(struct switchdev_trans *trans)
-{
- return trans && !trans->ph_prepare;
-}
-
enum switchdev_attr_id {
SWITCHDEV_ATTR_ID_UNDEFINED,
SWITCHDEV_ATTR_ID_PORT_STP_STATE,
+ SWITCHDEV_ATTR_ID_PORT_MST_STATE,
SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS,
SWITCHDEV_ATTR_ID_PORT_MROUTER,
SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
+ SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL,
SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED,
SWITCHDEV_ATTR_ID_BRIDGE_MROUTER,
-#if IS_ENABLED(CONFIG_BRIDGE_MRP)
- SWITCHDEV_ATTR_ID_MRP_PORT_STATE,
+ SWITCHDEV_ATTR_ID_BRIDGE_MST,
SWITCHDEV_ATTR_ID_MRP_PORT_ROLE,
-#endif
+ SWITCHDEV_ATTR_ID_VLAN_MSTI,
+};
+
+struct switchdev_mst_state {
+ u16 msti;
+ u8 state;
+};
+
+struct switchdev_brport_flags {
+ unsigned long val;
+ unsigned long mask;
+};
+
+struct switchdev_vlan_msti {
+ u16 vid;
+ u16 msti;
};
struct switchdev_attr {
@@ -54,15 +56,16 @@ struct switchdev_attr {
void (*complete)(struct net_device *dev, int err, void *priv);
union {
u8 stp_state; /* PORT_STP_STATE */
- unsigned long brport_flags; /* PORT_{PRE}_BRIDGE_FLAGS */
+ struct switchdev_mst_state mst_state; /* PORT_MST_STATE */
+ struct switchdev_brport_flags brport_flags; /* PORT_BRIDGE_FLAGS */
bool mrouter; /* PORT_MROUTER */
clock_t ageing_time; /* BRIDGE_AGEING_TIME */
bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */
+ u16 vlan_protocol; /* BRIDGE_VLAN_PROTOCOL */
+ bool mst; /* BRIDGE_MST */
bool mc_disabled; /* MC_DISABLED */
-#if IS_ENABLED(CONFIG_BRIDGE_MRP)
- u8 mrp_port_state; /* MRP_PORT_STATE */
u8 mrp_port_role; /* MRP_PORT_ROLE */
-#endif
+ struct switchdev_vlan_msti vlan_msti; /* VLAN_MSTI */
} u;
};
@@ -71,7 +74,6 @@ enum switchdev_obj_id {
SWITCHDEV_OBJ_ID_PORT_VLAN,
SWITCHDEV_OBJ_ID_PORT_MDB,
SWITCHDEV_OBJ_ID_HOST_MDB,
-#if IS_ENABLED(CONFIG_BRIDGE_MRP)
SWITCHDEV_OBJ_ID_MRP,
SWITCHDEV_OBJ_ID_RING_TEST_MRP,
SWITCHDEV_OBJ_ID_RING_ROLE_MRP,
@@ -79,11 +81,10 @@ enum switchdev_obj_id {
SWITCHDEV_OBJ_ID_IN_TEST_MRP,
SWITCHDEV_OBJ_ID_IN_ROLE_MRP,
SWITCHDEV_OBJ_ID_IN_STATE_MRP,
-
-#endif
};
struct switchdev_obj {
+ struct list_head list;
struct net_device *orig_dev;
enum switchdev_obj_id id;
u32 flags;
@@ -95,8 +96,14 @@ struct switchdev_obj {
struct switchdev_obj_port_vlan {
struct switchdev_obj obj;
u16 flags;
- u16 vid_begin;
- u16 vid_end;
+ u16 vid;
+ /* If set, the notifier signifies a change of one of the following
+ * flags for a VLAN that already exists:
+ * - BRIDGE_VLAN_INFO_PVID
+ * - BRIDGE_VLAN_INFO_UNTAGGED
+ * Entries with BRIDGE_VLAN_INFO_BRENTRY unset are not notified at all.
+ */
+ bool changed;
};
#define SWITCHDEV_OBJ_PORT_VLAN(OBJ) \
@@ -113,7 +120,6 @@ struct switchdev_obj_port_mdb {
container_of((OBJ), struct switchdev_obj_port_mdb, obj)
-#if IS_ENABLED(CONFIG_BRIDGE_MRP)
/* SWITCHDEV_OBJ_ID_MRP */
struct switchdev_obj_mrp {
struct switchdev_obj obj;
@@ -145,6 +151,7 @@ struct switchdev_obj_ring_role_mrp {
struct switchdev_obj obj;
u8 ring_role;
u32 ring_id;
+ u8 sw_backup;
};
#define SWITCHDEV_OBJ_RING_ROLE_MRP(OBJ) \
@@ -179,6 +186,7 @@ struct switchdev_obj_in_role_mrp {
u32 ring_id;
u16 in_id;
u8 in_role;
+ u8 sw_backup;
};
#define SWITCHDEV_OBJ_IN_ROLE_MRP(OBJ) \
@@ -193,9 +201,13 @@ struct switchdev_obj_in_state_mrp {
#define SWITCHDEV_OBJ_IN_STATE_MRP(OBJ) \
container_of((OBJ), struct switchdev_obj_in_state_mrp, obj)
-#endif
-
-typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);
+struct switchdev_brport {
+ struct net_device *dev;
+ const void *ctx;
+ struct notifier_block *atomic_nb;
+ struct notifier_block *blocking_nb;
+ bool tx_fwd_offload;
+};
enum switchdev_notifier_type {
SWITCHDEV_FDB_ADD_TO_BRIDGE = 1,
@@ -214,35 +226,48 @@ enum switchdev_notifier_type {
SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE,
SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE,
SWITCHDEV_VXLAN_FDB_OFFLOADED,
+
+ SWITCHDEV_BRPORT_OFFLOADED,
+ SWITCHDEV_BRPORT_UNOFFLOADED,
+ SWITCHDEV_BRPORT_REPLAY,
};
struct switchdev_notifier_info {
struct net_device *dev;
struct netlink_ext_ack *extack;
+ const void *ctx;
};
+/* Remember to update br_switchdev_fdb_populate() when adding
+ * new members to this structure
+ */
struct switchdev_notifier_fdb_info {
struct switchdev_notifier_info info; /* must be first */
const unsigned char *addr;
u16 vid;
u8 added_by_user:1,
+ is_local:1,
+ locked:1,
offloaded:1;
};
struct switchdev_notifier_port_obj_info {
struct switchdev_notifier_info info; /* must be first */
const struct switchdev_obj *obj;
- struct switchdev_trans *trans;
bool handled;
};
struct switchdev_notifier_port_attr_info {
struct switchdev_notifier_info info; /* must be first */
const struct switchdev_attr *attr;
- struct switchdev_trans *trans;
bool handled;
};
+struct switchdev_notifier_brport_info {
+ struct switchdev_notifier_info info; /* must be first */
+ const struct switchdev_brport brport;
+};
+
static inline struct net_device *
switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
{
@@ -255,11 +280,37 @@ switchdev_notifier_info_to_extack(const struct switchdev_notifier_info *info)
return info->extack;
}
+static inline bool
+switchdev_fdb_is_dynamically_learned(const struct switchdev_notifier_fdb_info *fdb_info)
+{
+ return !fdb_info->added_by_user && !fdb_info->is_local;
+}
+
#ifdef CONFIG_NET_SWITCHDEV
+int switchdev_bridge_port_offload(struct net_device *brport_dev,
+ struct net_device *dev, const void *ctx,
+ struct notifier_block *atomic_nb,
+ struct notifier_block *blocking_nb,
+ bool tx_fwd_offload,
+ struct netlink_ext_ack *extack);
+void switchdev_bridge_port_unoffload(struct net_device *brport_dev,
+ const void *ctx,
+ struct notifier_block *atomic_nb,
+ struct notifier_block *blocking_nb);
+int switchdev_bridge_port_replay(struct net_device *brport_dev,
+ struct net_device *dev, const void *ctx,
+ struct notifier_block *atomic_nb,
+ struct notifier_block *blocking_nb,
+ struct netlink_ext_ack *extack);
+
void switchdev_deferred_process(void);
int switchdev_port_attr_set(struct net_device *dev,
- const struct switchdev_attr *attr);
+ const struct switchdev_attr *attr,
+ struct netlink_ext_ack *extack);
+bool switchdev_port_obj_act_is_deferred(struct net_device *dev,
+ enum switchdev_notifier_type nt,
+ const struct switchdev_obj *obj);
int switchdev_port_obj_add(struct net_device *dev,
const struct switchdev_obj *obj,
struct netlink_ext_ack *extack);
@@ -278,37 +329,76 @@ int call_switchdev_blocking_notifiers(unsigned long val, struct net_device *dev,
struct switchdev_notifier_info *info,
struct netlink_ext_ack *extack);
-void switchdev_port_fwd_mark_set(struct net_device *dev,
- struct net_device *group_dev,
- bool joining);
+int switchdev_handle_fdb_event_to_device(struct net_device *dev, unsigned long event,
+ const struct switchdev_notifier_fdb_info *fdb_info,
+ bool (*check_cb)(const struct net_device *dev),
+ bool (*foreign_dev_check_cb)(const struct net_device *dev,
+ const struct net_device *foreign_dev),
+ int (*mod_cb)(struct net_device *dev, struct net_device *orig_dev,
+ unsigned long event, const void *ctx,
+ const struct switchdev_notifier_fdb_info *fdb_info));
int switchdev_handle_port_obj_add(struct net_device *dev,
struct switchdev_notifier_port_obj_info *port_obj_info,
bool (*check_cb)(const struct net_device *dev),
- int (*add_cb)(struct net_device *dev,
+ int (*add_cb)(struct net_device *dev, const void *ctx,
+ const struct switchdev_obj *obj,
+ struct netlink_ext_ack *extack));
+int switchdev_handle_port_obj_add_foreign(struct net_device *dev,
+ struct switchdev_notifier_port_obj_info *port_obj_info,
+ bool (*check_cb)(const struct net_device *dev),
+ bool (*foreign_dev_check_cb)(const struct net_device *dev,
+ const struct net_device *foreign_dev),
+ int (*add_cb)(struct net_device *dev, const void *ctx,
const struct switchdev_obj *obj,
- struct switchdev_trans *trans,
struct netlink_ext_ack *extack));
int switchdev_handle_port_obj_del(struct net_device *dev,
struct switchdev_notifier_port_obj_info *port_obj_info,
bool (*check_cb)(const struct net_device *dev),
- int (*del_cb)(struct net_device *dev,
+ int (*del_cb)(struct net_device *dev, const void *ctx,
+ const struct switchdev_obj *obj));
+int switchdev_handle_port_obj_del_foreign(struct net_device *dev,
+ struct switchdev_notifier_port_obj_info *port_obj_info,
+ bool (*check_cb)(const struct net_device *dev),
+ bool (*foreign_dev_check_cb)(const struct net_device *dev,
+ const struct net_device *foreign_dev),
+ int (*del_cb)(struct net_device *dev, const void *ctx,
const struct switchdev_obj *obj));
int switchdev_handle_port_attr_set(struct net_device *dev,
struct switchdev_notifier_port_attr_info *port_attr_info,
bool (*check_cb)(const struct net_device *dev),
- int (*set_cb)(struct net_device *dev,
+ int (*set_cb)(struct net_device *dev, const void *ctx,
const struct switchdev_attr *attr,
- struct switchdev_trans *trans));
+ struct netlink_ext_ack *extack));
#else
+static inline int
+switchdev_bridge_port_offload(struct net_device *brport_dev,
+ struct net_device *dev, const void *ctx,
+ struct notifier_block *atomic_nb,
+ struct notifier_block *blocking_nb,
+ bool tx_fwd_offload,
+ struct netlink_ext_ack *extack)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline void
+switchdev_bridge_port_unoffload(struct net_device *brport_dev,
+ const void *ctx,
+ struct notifier_block *atomic_nb,
+ struct notifier_block *blocking_nb)
+{
+}
+
static inline void switchdev_deferred_process(void)
{
}
static inline int switchdev_port_attr_set(struct net_device *dev,
- const struct switchdev_attr *attr)
+ const struct switchdev_attr *attr,
+ struct netlink_ext_ack *extack)
{
return -EOPNOTSUPP;
}
@@ -366,12 +456,36 @@ call_switchdev_blocking_notifiers(unsigned long val,
}
static inline int
+switchdev_handle_fdb_event_to_device(struct net_device *dev, unsigned long event,
+ const struct switchdev_notifier_fdb_info *fdb_info,
+ bool (*check_cb)(const struct net_device *dev),
+ bool (*foreign_dev_check_cb)(const struct net_device *dev,
+ const struct net_device *foreign_dev),
+ int (*mod_cb)(struct net_device *dev, struct net_device *orig_dev,
+ unsigned long event, const void *ctx,
+ const struct switchdev_notifier_fdb_info *fdb_info))
+{
+ return 0;
+}
+
+static inline int
switchdev_handle_port_obj_add(struct net_device *dev,
struct switchdev_notifier_port_obj_info *port_obj_info,
bool (*check_cb)(const struct net_device *dev),
- int (*add_cb)(struct net_device *dev,
+ int (*add_cb)(struct net_device *dev, const void *ctx,
+ const struct switchdev_obj *obj,
+ struct netlink_ext_ack *extack))
+{
+ return 0;
+}
+
+static inline int switchdev_handle_port_obj_add_foreign(struct net_device *dev,
+ struct switchdev_notifier_port_obj_info *port_obj_info,
+ bool (*check_cb)(const struct net_device *dev),
+ bool (*foreign_dev_check_cb)(const struct net_device *dev,
+ const struct net_device *foreign_dev),
+ int (*add_cb)(struct net_device *dev, const void *ctx,
const struct switchdev_obj *obj,
- struct switchdev_trans *trans,
struct netlink_ext_ack *extack))
{
return 0;
@@ -381,7 +495,19 @@ static inline int
switchdev_handle_port_obj_del(struct net_device *dev,
struct switchdev_notifier_port_obj_info *port_obj_info,
bool (*check_cb)(const struct net_device *dev),
- int (*del_cb)(struct net_device *dev,
+ int (*del_cb)(struct net_device *dev, const void *ctx,
+ const struct switchdev_obj *obj))
+{
+ return 0;
+}
+
+static inline int
+switchdev_handle_port_obj_del_foreign(struct net_device *dev,
+ struct switchdev_notifier_port_obj_info *port_obj_info,
+ bool (*check_cb)(const struct net_device *dev),
+ bool (*foreign_dev_check_cb)(const struct net_device *dev,
+ const struct net_device *foreign_dev),
+ int (*del_cb)(struct net_device *dev, const void *ctx,
const struct switchdev_obj *obj))
{
return 0;
@@ -391,9 +517,9 @@ static inline int
switchdev_handle_port_attr_set(struct net_device *dev,
struct switchdev_notifier_port_attr_info *port_attr_info,
bool (*check_cb)(const struct net_device *dev),
- int (*set_cb)(struct net_device *dev,
+ int (*set_cb)(struct net_device *dev, const void *ctx,
const struct switchdev_attr *attr,
- struct switchdev_trans *trans))
+ struct netlink_ext_ack *extack))
{
return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.