diff options
Diffstat (limited to 'include/linux/if_team.h')
-rw-r--r-- | include/linux/if_team.h | 137 |
1 files changed, 113 insertions, 24 deletions
diff --git a/include/linux/if_team.h b/include/linux/if_team.h index 58404b0c5010..6960fc1841a7 100644 --- a/include/linux/if_team.h +++ b/include/linux/if_team.h @@ -13,6 +13,9 @@ #ifdef __KERNEL__ +#include <linux/netpoll.h> +#include <net/sch_generic.h> + struct team_pcpu_stats { u64 rx_packets; u64 rx_bytes; @@ -28,10 +31,28 @@ struct team; struct team_port { struct net_device *dev; - struct hlist_node hlist; /* node in hash list */ + struct hlist_node hlist; /* node in enabled ports hash list */ struct list_head list; /* node in ordinary list */ struct team *team; - int index; + int index; /* index of enabled port. If disabled, it's set to -1 */ + + bool linkup; /* either state.linkup or user.linkup */ + + struct { + bool linkup; + u32 speed; + u8 duplex; + } state; + + /* Values set by userspace */ + struct { + bool linkup; + bool linkup_enabled; + } user; + + /* Custom gennetlink interface related flags */ + bool changed; + bool removed; /* * A place for storing original values of the device before it @@ -42,17 +63,54 @@ struct team_port { unsigned int mtu; } orig; - bool linkup; - u32 speed; - u8 duplex; +#ifdef CONFIG_NET_POLL_CONTROLLER + struct netpoll *np; +#endif - /* Custom gennetlink interface related flags */ - bool changed; - bool removed; - - struct rcu_head rcu; + long mode_priv[0]; }; +static inline bool team_port_enabled(struct team_port *port) +{ + return port->index != -1; +} + +static inline bool team_port_txable(struct team_port *port) +{ + return port->linkup && team_port_enabled(port); +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +static inline void team_netpoll_send_skb(struct team_port *port, + struct sk_buff *skb) +{ + struct netpoll *np = port->np; + + if (np) + netpoll_send_skb(np, skb); +} +#else +static inline void team_netpoll_send_skb(struct team_port *port, + struct sk_buff *skb) +{ +} +#endif + +static inline int team_dev_queue_xmit(struct team *team, struct team_port *port, + struct sk_buff *skb) +{ + BUILD_BUG_ON(sizeof(skb->queue_mapping) != + sizeof(qdisc_skb_cb(skb)->slave_dev_queue_mapping)); + skb_set_queue_mapping(skb, qdisc_skb_cb(skb)->slave_dev_queue_mapping); + + skb->dev = port->dev; + if (unlikely(netpoll_tx_running(port->dev))) { + team_netpoll_send_skb(port, skb); + return 0; + } + return dev_queue_xmit(skb); +} + struct team_mode_ops { int (*init)(struct team *team); void (*exit)(struct team *team); @@ -63,30 +121,54 @@ struct team_mode_ops { int (*port_enter)(struct team *team, struct team_port *port); void (*port_leave)(struct team *team, struct team_port *port); void (*port_change_mac)(struct team *team, struct team_port *port); + void (*port_enabled)(struct team *team, struct team_port *port); + void (*port_disabled)(struct team *team, struct team_port *port); }; enum team_option_type { TEAM_OPTION_TYPE_U32, TEAM_OPTION_TYPE_STRING, + TEAM_OPTION_TYPE_BINARY, + TEAM_OPTION_TYPE_BOOL, +}; + +struct team_option_inst_info { + u32 array_index; + struct team_port *port; /* != NULL if per-port */ +}; + +struct team_gsetter_ctx { + union { + u32 u32_val; + const char *str_val; + struct { + const void *ptr; + u32 len; + } bin_val; + bool bool_val; + } data; + struct team_option_inst_info *info; }; struct team_option { struct list_head list; const char *name; + bool per_port; + unsigned int array_size; /* != 0 means the option is array */ enum team_option_type type; - int (*getter)(struct team *team, void *arg); - int (*setter)(struct team *team, void *arg); - - /* Custom gennetlink interface related flags */ - bool changed; - bool removed; + int (*init)(struct team *team, struct team_option_inst_info *info); + int (*getter)(struct team *team, struct team_gsetter_ctx *ctx); + int (*setter)(struct team *team, struct team_gsetter_ctx *ctx); }; +extern void team_option_inst_set_change(struct team_option_inst_info *opt_inst_info); +extern void team_options_change_check(struct team *team); + struct team_mode { - struct list_head list; const char *kind; struct module *owner; size_t priv_size; + size_t port_priv_size; const struct team_mode_ops *ops; }; @@ -103,13 +185,15 @@ struct team { struct mutex lock; /* used for overall locking, e.g. port lists write */ /* - * port lists with port count + * List of enabled ports and their count */ - int port_count; - struct hlist_head port_hlist[TEAM_PORT_HASHENTRIES]; - struct list_head port_list; + int en_port_count; + struct hlist_head en_port_hlist[TEAM_PORT_HASHENTRIES]; + + struct list_head port_list; /* list of all ports */ struct list_head option_list; + struct list_head option_inst_list; /* list of option instances */ const struct team_mode *mode; struct team_mode_ops ops; @@ -119,7 +203,7 @@ struct team { static inline struct hlist_head *team_port_index_hash(struct team *team, int port_index) { - return &team->port_hlist[port_index & (TEAM_PORT_HASHENTRIES - 1)]; + return &team->en_port_hlist[port_index & (TEAM_PORT_HASHENTRIES - 1)]; } static inline struct team_port *team_get_port_by_index(struct team *team, @@ -154,8 +238,11 @@ extern int team_options_register(struct team *team, extern void team_options_unregister(struct team *team, const struct team_option *option, size_t option_count); -extern int team_mode_register(struct team_mode *mode); -extern int team_mode_unregister(struct team_mode *mode); +extern int team_mode_register(const struct team_mode *mode); +extern void team_mode_unregister(const struct team_mode *mode); + +#define TEAM_DEFAULT_NUM_TX_QUEUES 16 +#define TEAM_DEFAULT_NUM_RX_QUEUES 16 #endif /* __KERNEL__ */ @@ -216,6 +303,8 @@ enum { TEAM_ATTR_OPTION_TYPE, /* u8 */ TEAM_ATTR_OPTION_DATA, /* dynamic */ TEAM_ATTR_OPTION_REMOVED, /* flag */ + TEAM_ATTR_OPTION_PORT_IFINDEX, /* u32 */ /* for per-port options */ + TEAM_ATTR_OPTION_ARRAY_INDEX, /* u32 */ /* for array options */ __TEAM_ATTR_OPTION_MAX, TEAM_ATTR_OPTION_MAX = __TEAM_ATTR_OPTION_MAX - 1, |