pandory500/oleavr-rgl-a500-mini-linux-3.10
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Ole André Vadla Ravnås 2022-05-07 01:01:45 +02:00
commit 169c65d57e
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88
net/rds/tcp.h Normal file
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#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_connection *conn;
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_connection *conn);
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;
/* tcp_connect.c */
int rds_tcp_conn_connect(struct rds_connection *conn);
void rds_tcp_conn_shutdown(struct rds_connection *conn);
void rds_tcp_state_change(struct sock *sk);
/* tcp_listen.c */
int rds_tcp_listen_init(void);
void rds_tcp_listen_stop(void);
void rds_tcp_listen_data_ready(struct sock *sk, int bytes);
/* tcp_recv.c */
int rds_tcp_recv_init(void);
void rds_tcp_recv_exit(void);
void rds_tcp_data_ready(struct sock *sk, int bytes);
int rds_tcp_recv(struct rds_connection *conn);
void rds_tcp_inc_free(struct rds_incoming *inc);
int rds_tcp_inc_copy_to_user(struct rds_incoming *inc, struct iovec *iov,
size_t size);
/* tcp_send.c */
void rds_tcp_xmit_prepare(struct rds_connection *conn);
void rds_tcp_xmit_complete(struct rds_connection *conn);
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