diff options
Diffstat (limited to 'include/linux/if_team.h')
| -rw-r--r-- | include/linux/if_team.h | 69 |
1 files changed, 39 insertions, 30 deletions
diff --git a/include/linux/if_team.h b/include/linux/if_team.h index cdc684e04a2f..3d21e06fda67 100644 --- a/include/linux/if_team.h +++ b/include/linux/if_team.h @@ -27,10 +27,11 @@ struct team; struct team_port { struct net_device *dev; - struct hlist_node hlist; /* node in enabled ports hash list */ + struct hlist_node tx_hlist; /* node in tx-enabled ports hash list */ struct list_head list; /* node in ordinary list */ struct team *team; - int index; /* index of enabled port. If disabled, it's set to -1 */ + int tx_index; /* index of tx enabled port. If disabled, -1 */ + bool rx_enabled; bool linkup; /* either state.linkup or user.linkup */ @@ -75,14 +76,24 @@ static inline struct team_port *team_port_get_rcu(const struct net_device *dev) return rcu_dereference(dev->rx_handler_data); } +static inline bool team_port_rx_enabled(struct team_port *port) +{ + return READ_ONCE(port->rx_enabled); +} + +static inline bool team_port_tx_enabled(struct team_port *port) +{ + return READ_ONCE(port->tx_index) != -1; +} + static inline bool team_port_enabled(struct team_port *port) { - return port->index != -1; + return team_port_rx_enabled(port) && team_port_tx_enabled(port); } static inline bool team_port_txable(struct team_port *port) { - return port->linkup && team_port_enabled(port); + return port->linkup && team_port_tx_enabled(port); } static inline bool team_port_dev_txable(const struct net_device *port_dev) @@ -121,8 +132,7 @@ 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_dev_addr)(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); + void (*port_tx_disabled)(struct team *team, struct team_port *port); }; extern int team_modeop_port_enter(struct team *team, struct team_port *port); @@ -186,18 +196,16 @@ struct team_mode { #define TEAM_MODE_PRIV_SIZE (sizeof(long) * TEAM_MODE_PRIV_LONGS) struct team { - struct net_device *dev; /* associated netdevice */ struct team_pcpu_stats __percpu *pcpu_stats; const struct header_ops *header_ops_cache; - struct mutex lock; /* used for overall locking, e.g. port lists write */ - /* - * List of enabled ports and their count + * List of tx-enabled ports and counts of rx and tx-enabled ports. */ - int en_port_count; - struct hlist_head en_port_hlist[TEAM_PORT_HASHENTRIES]; + int tx_en_port_count; + int rx_en_port_count; + struct hlist_head tx_en_port_hlist[TEAM_PORT_HASHENTRIES]; struct list_head port_list; /* list of all ports */ @@ -223,7 +231,6 @@ struct team { atomic_t count_pending; struct delayed_work dw; } mcast_rejoin; - struct lock_class_key team_lock_key; long mode_priv[TEAM_MODE_PRIV_LONGS]; }; @@ -235,48 +242,50 @@ static inline int team_dev_queue_xmit(struct team *team, struct team_port *port, skb_set_queue_mapping(skb, qdisc_skb_cb(skb)->slave_dev_queue_mapping); skb->dev = port->dev; - if (unlikely(netpoll_tx_running(team->dev))) { + if (unlikely(netpoll_tx_running(netdev_from_priv(team)))) { team_netpoll_send_skb(port, skb); return 0; } return dev_queue_xmit(skb); } -static inline struct hlist_head *team_port_index_hash(struct team *team, - int port_index) +static inline struct hlist_head *team_tx_port_index_hash(struct team *team, + int tx_port_index) { - return &team->en_port_hlist[port_index & (TEAM_PORT_HASHENTRIES - 1)]; + unsigned int list_entry = tx_port_index & (TEAM_PORT_HASHENTRIES - 1); + + return &team->tx_en_port_hlist[list_entry]; } -static inline struct team_port *team_get_port_by_index(struct team *team, - int port_index) +static inline struct team_port *team_get_port_by_tx_index(struct team *team, + int tx_port_index) { + struct hlist_head *head = team_tx_port_index_hash(team, tx_port_index); struct team_port *port; - struct hlist_head *head = team_port_index_hash(team, port_index); - hlist_for_each_entry(port, head, hlist) - if (port->index == port_index) + hlist_for_each_entry(port, head, tx_hlist) + if (port->tx_index == tx_port_index) return port; return NULL; } static inline int team_num_to_port_index(struct team *team, unsigned int num) { - int en_port_count = READ_ONCE(team->en_port_count); + int tx_en_port_count = READ_ONCE(team->tx_en_port_count); - if (unlikely(!en_port_count)) + if (unlikely(!tx_en_port_count)) return 0; - return num % en_port_count; + return num % tx_en_port_count; } -static inline struct team_port *team_get_port_by_index_rcu(struct team *team, - int port_index) +static inline struct team_port *team_get_port_by_tx_index_rcu(struct team *team, + int tx_port_index) { + struct hlist_head *head = team_tx_port_index_hash(team, tx_port_index); struct team_port *port; - struct hlist_head *head = team_port_index_hash(team, port_index); - hlist_for_each_entry_rcu(port, head, hlist) - if (port->index == port_index) + hlist_for_each_entry_rcu(port, head, tx_hlist) + if (READ_ONCE(port->tx_index) == tx_port_index) return port; return NULL; } |
