#ifndef _RDS_TCP_H #define _RDS_TCP_H #define RDS_TCP_PORT 16385 struct rds_tcp_incoming { struct rds_incoming ti_inc; struct sk_buff_head ti_skb_list; }; struct rds_tcp_connection { struct list_head t_tcp_node; struct rds_conn_path *t_cpath; /* t_conn_path_lock synchronizes the connection establishment between * rds_tcp_accept_one and rds_tcp_conn_path_connect */ struct mutex t_conn_path_lock; struct socket *t_sock; void *t_orig_write_space; void *t_orig_data_ready; void *t_orig_state_change; struct rds_tcp_incoming *t_tinc; size_t t_tinc_hdr_rem; size_t t_tinc_data_rem; /* XXX error report? */ struct work_struct t_conn_w; struct work_struct t_send_w; struct work_struct t_down_w; struct work_struct t_recv_w; /* for info exporting only */ struct list_head t_list_item; u32 t_last_sent_nxt; u32 t_last_expected_una; u32 t_last_seen_una; }; struct rds_tcp_statistics { uint64_t s_tcp_data_ready_calls; uint64_t s_tcp_write_space_calls; uint64_t s_tcp_sndbuf_full; uint64_t s_tcp_connect_raced; uint64_t s_tcp_listen_closed_stale; }; /* tcp.c */ void rds_tcp_tune(struct socket *sock); void rds_tcp_nonagle(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); void rds_tcp_restore_callbacks(struct socket *sock, struct rds_tcp_connection *tc); u32 rds_tcp_snd_nxt(struct rds_tcp_connection *tc); u32 rds_tcp_snd_una(struct rds_tcp_connection *tc); u64 rds_tcp_map_seq(struct rds_tcp_connection *tc, u32 seq); extern struct rds_transport rds_tcp_transport; void rds_tcp_accept_work(struct sock *sk); /* tcp_connect.c */ int rds_tcp_conn_path_connect(struct rds_conn_path *cp); void rds_tcp_conn_path_shutdown(struct rds_conn_path *conn); void rds_tcp_state_change(struct sock *sk); /* tcp_listen.c */ struct socket *rds_tcp_listen_init(struct net *); void rds_tcp_listen_stop(struct socket *); void rds_tcp_listen_data_ready(struct sock *sk); int rds_tcp_accept_one(struct socket *sock); int rds_tcp_keepalive(struct socket *sock); void *rds_tcp_listen_sock_def_readable(struct net *net); /* tcp_recv.c */ int rds_tcp_recv_init(void); void rds_tcp_recv_exit(void); void rds_tcp_data_ready(struct sock *sk); int rds_tcp_recv_path(struct rds_conn_path *cp); void rds_tcp_inc_free(struct rds_incoming *inc); int rds_tcp_inc_copy_to_user(struct rds_incoming *inc, struct iov_iter *to); /* tcp_send.c */ 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); void rds_tcp_write_space(struct sock *sk); /* tcp_stats.c */ DECLARE_PER_CPU(struct rds_tcp_statistics, rds_tcp_stats); #define rds_tcp_stats_inc(member) rds_stats_inc_which(rds_tcp_stats, member) unsigned int rds_tcp_stats_info_copy(struct rds_info_iterator *iter, unsigned int avail); #endif >root/net/ipv4/tcp_highspeed.c
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