diff options
Diffstat (limited to 'net/rds/tcp.h')
| -rw-r--r-- | net/rds/tcp.h | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/net/rds/tcp.h b/net/rds/tcp.h index 053aa7da87ef..39c86347188c 100644 --- a/net/rds/tcp.h +++ b/net/rds/tcp.h @@ -4,6 +4,21 @@ #define RDS_TCP_PORT 16385 +/* per-network namespace private data for this module */ +struct rds_tcp_net { + /* serialize "rds_tcp_accept_one" with "rds_tcp_accept_lock" + * to protect "rds_tcp_accepted_sock" + */ + struct mutex rds_tcp_accept_lock; + struct socket *rds_tcp_listen_sock; + struct socket *rds_tcp_accepted_sock; + struct work_struct rds_tcp_accept_w; + struct ctl_table_header *rds_tcp_sysctl; + const struct ctl_table *ctl_table; + int sndbuf_size; + int rcvbuf_size; +}; + struct rds_tcp_incoming { struct rds_incoming ti_inc; struct sk_buff_head ti_skb_list; @@ -19,6 +34,8 @@ struct rds_tcp_connection { */ struct mutex t_conn_path_lock; struct socket *t_sock; + u32 t_client_port_group; + struct rds_tcp_net *t_rtn; void *t_orig_write_space; void *t_orig_data_ready; void *t_orig_state_change; @@ -38,6 +55,9 @@ struct rds_tcp_connection { u32 t_last_sent_nxt; u32 t_last_expected_una; u32 t_last_seen_una; + + /* for rds_tcp_conn_path_shutdown */ + wait_queue_head_t t_recv_done_waitq; }; struct rds_tcp_statistics { @@ -49,6 +69,7 @@ struct rds_tcp_statistics { }; /* tcp.c */ +extern int rds_tcp_netid; bool rds_tcp_tune(struct socket *sock); void rds_tcp_set_callbacks(struct socket *sock, struct rds_conn_path *cp); void rds_tcp_reset_callbacks(struct socket *sock, struct rds_conn_path *cp); @@ -57,7 +78,7 @@ void rds_tcp_restore_callbacks(struct socket *sock, u32 rds_tcp_write_seq(struct rds_tcp_connection *tc); u32 rds_tcp_snd_una(struct rds_tcp_connection *tc); extern struct rds_transport rds_tcp_transport; -void rds_tcp_accept_work(struct sock *sk); +void rds_tcp_accept_work(struct rds_tcp_net *rtn); int rds_tcp_laddr_check(struct net *net, const struct in6_addr *addr, __u32 scope_id); /* tcp_connect.c */ @@ -69,7 +90,8 @@ void rds_tcp_state_change(struct sock *sk); struct socket *rds_tcp_listen_init(struct net *net, bool isv6); void rds_tcp_listen_stop(struct socket *sock, struct work_struct *acceptor); void rds_tcp_listen_data_ready(struct sock *sk); -int rds_tcp_accept_one(struct socket *sock); +void rds_tcp_conn_slots_available(struct rds_connection *conn, bool fan_out); +int rds_tcp_accept_one(struct rds_tcp_net *rtn); void rds_tcp_keepalive(struct socket *sock); void *rds_tcp_listen_sock_def_readable(struct net *net); @@ -86,6 +108,7 @@ void rds_tcp_xmit_path_prepare(struct rds_conn_path *cp); void rds_tcp_xmit_path_complete(struct rds_conn_path *cp); int rds_tcp_xmit(struct rds_connection *conn, struct rds_message *rm, unsigned int hdr_off, unsigned int sg, unsigned int off); +int rds_tcp_is_acked(struct rds_message *rm, uint64_t ack); void rds_tcp_write_space(struct sock *sk); /* tcp_stats.c */ |