diff options
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 47 |
1 files changed, 31 insertions, 16 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index cf54034019d..60e5be8b925 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -266,12 +266,10 @@ static inline int tcp_too_many_orphans(struct sock *sk, int num) extern struct proto tcp_prot; DECLARE_SNMP_STAT(struct tcp_mib, tcp_statistics); -#define TCP_INC_STATS(field) SNMP_INC_STATS(tcp_statistics, field) -#define TCP_INC_STATS_BH(field) SNMP_INC_STATS_BH(tcp_statistics, field) -#define TCP_INC_STATS_USER(field) SNMP_INC_STATS_USER(tcp_statistics, field) -#define TCP_DEC_STATS(field) SNMP_DEC_STATS(tcp_statistics, field) -#define TCP_ADD_STATS_BH(field, val) SNMP_ADD_STATS_BH(tcp_statistics, field, val) -#define TCP_ADD_STATS_USER(field, val) SNMP_ADD_STATS_USER(tcp_statistics, field, val) +#define TCP_INC_STATS(net, field) do { (void)net; SNMP_INC_STATS(tcp_statistics, field); } while (0) +#define TCP_INC_STATS_BH(net, field) do { (void)net; SNMP_INC_STATS_BH(tcp_statistics, field); } while (0) +#define TCP_DEC_STATS(net, field) do { (void)net; SNMP_DEC_STATS(tcp_statistics, field); } while (0) +#define TCP_ADD_STATS_USER(net, field, val) do { (void)net; SNMP_ADD_STATS_USER(tcp_statistics, field, val); } while (0) extern void tcp_v4_err(struct sk_buff *skb, u32); @@ -398,6 +396,8 @@ extern void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx, int estab); +extern u8 *tcp_parse_md5sig_option(struct tcphdr *th); + /* * TCP v4 functions exported for the inet6 API */ @@ -894,7 +894,7 @@ static inline int tcp_prequeue(struct sock *sk, struct sk_buff *skb) while ((skb1 = __skb_dequeue(&tp->ucopy.prequeue)) != NULL) { sk->sk_backlog_rcv(sk, skb1); - NET_INC_STATS_BH(LINUX_MIB_TCPPREQUEUEDROPPED); + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPPREQUEUEDROPPED); } tp->ucopy.memory = 0; @@ -975,7 +975,7 @@ static inline void tcp_openreq_init(struct request_sock *req, ireq->rmt_port = tcp_hdr(skb)->source; } -extern void tcp_enter_memory_pressure(void); +extern void tcp_enter_memory_pressure(struct sock *sk); static inline int keepalive_intvl_when(const struct tcp_sock *tp) { @@ -1024,13 +1024,13 @@ static inline int tcp_paws_check(const struct tcp_options_received *rx_opt, int #define TCP_CHECK_TIMER(sk) do { } while (0) -static inline void tcp_mib_init(void) +static inline void tcp_mib_init(struct net *net) { /* See RFC 2012 */ - TCP_ADD_STATS_USER(TCP_MIB_RTOALGORITHM, 1); - TCP_ADD_STATS_USER(TCP_MIB_RTOMIN, TCP_RTO_MIN*1000/HZ); - TCP_ADD_STATS_USER(TCP_MIB_RTOMAX, TCP_RTO_MAX*1000/HZ); - TCP_ADD_STATS_USER(TCP_MIB_MAXCONN, -1); + TCP_ADD_STATS_USER(net, TCP_MIB_RTOALGORITHM, 1); + TCP_ADD_STATS_USER(net, TCP_MIB_RTOMIN, TCP_RTO_MIN*1000/HZ); + TCP_ADD_STATS_USER(net, TCP_MIB_RTOMAX, TCP_RTO_MAX*1000/HZ); + TCP_ADD_STATS_USER(net, TCP_MIB_MAXCONN, -1); } /* from STCP */ @@ -1113,13 +1113,19 @@ struct tcp_md5sig_pool { #define TCP_MD5SIG_MAXKEYS (~(u32)0) /* really?! */ /* - functions */ +extern int tcp_calc_md5_hash(char *md5_hash, + struct tcp_md5sig_key *key, + int bplen, + struct tcphdr *th, + unsigned int tcplen, + struct tcp_md5sig_pool *hp); + extern int tcp_v4_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key, struct sock *sk, struct dst_entry *dst, struct request_sock *req, struct tcphdr *th, - int protocol, unsigned int tcplen); extern struct tcp_md5sig_key *tcp_v4_md5_lookup(struct sock *sk, struct sock *addr_sk); @@ -1132,6 +1138,16 @@ extern int tcp_v4_md5_do_add(struct sock *sk, extern int tcp_v4_md5_do_del(struct sock *sk, __be32 addr); +#ifdef CONFIG_TCP_MD5SIG +#define tcp_twsk_md5_key(twsk) ((twsk)->tw_md5_keylen ? \ + &(struct tcp_md5sig_key) { \ + .key = (twsk)->tw_md5_key, \ + .keylen = (twsk)->tw_md5_keylen, \ + } : NULL) +#else +#define tcp_twsk_md5_key(twsk) NULL +#endif + extern struct tcp_md5sig_pool **tcp_alloc_md5sig_pool(void); extern void tcp_free_md5sig_pool(void); @@ -1348,7 +1364,7 @@ extern void tcp_proc_unregister(struct net *net, struct tcp_seq_afinfo *afinfo); extern struct request_sock_ops tcp_request_sock_ops; extern struct request_sock_ops tcp6_request_sock_ops; -extern int tcp_v4_destroy_sock(struct sock *sk); +extern void tcp_v4_destroy_sock(struct sock *sk); extern int tcp_v4_gso_send_check(struct sk_buff *skb); extern struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features); @@ -1369,7 +1385,6 @@ struct tcp_sock_af_ops { struct dst_entry *dst, struct request_sock *req, struct tcphdr *th, - int protocol, unsigned int len); int (*md5_add) (struct sock *sk, struct sock *addr_sk, |