diff options
author | Arnaldo Carvalho de Melo <acme@mandriva.com> | 2005-12-13 23:15:52 -0800 |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2006-01-03 13:10:38 -0800 |
commit | 8292a17a399ffb7c5c8b083db4ad994e090055f7 (patch) | |
tree | 1544436169ba1dc2eface34664a203c2c17a8d65 /net | |
parent | ca304b6104ffdd120bb6687a88a0625e58bc71cd (diff) | |
download | linux-8292a17a399ffb7c5c8b083db4ad994e090055f7.tar.bz2 |
[ICSK]: Rename struct tcp_func to struct inet_connection_sock_af_ops
And move it to struct inet_connection_sock. DCCP will use it in the
upcoming changesets.
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r-- | net/ipv4/syncookies.c | 4 | ||||
-rw-r--r-- | net/ipv4/tcp.c | 8 | ||||
-rw-r--r-- | net/ipv4/tcp_input.c | 11 | ||||
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 11 | ||||
-rw-r--r-- | net/ipv4/tcp_minisocks.c | 8 | ||||
-rw-r--r-- | net/ipv4/tcp_output.c | 17 | ||||
-rw-r--r-- | net/ipv6/ipv6_sockglue.c | 2 | ||||
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 28 |
8 files changed, 43 insertions, 46 deletions
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c index a34e60ea48a1..e20be3331f67 100644 --- a/net/ipv4/syncookies.c +++ b/net/ipv4/syncookies.c @@ -173,10 +173,10 @@ static inline struct sock *get_cookie_sock(struct sock *sk, struct sk_buff *skb, struct request_sock *req, struct dst_entry *dst) { - struct tcp_sock *tp = tcp_sk(sk); + struct inet_connection_sock *icsk = inet_csk(sk); struct sock *child; - child = tp->af_specific->syn_recv_sock(sk, skb, req, dst); + child = icsk->icsk_af_ops->syn_recv_sock(sk, skb, req, dst); if (child) inet_csk_reqsk_queue_add(sk, req, child); else diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index ef98b14ac56d..eacfe6a3442c 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1696,8 +1696,8 @@ int tcp_setsockopt(struct sock *sk, int level, int optname, char __user *optval, int err = 0; if (level != SOL_TCP) - return tp->af_specific->setsockopt(sk, level, optname, - optval, optlen); + return icsk->icsk_af_ops->setsockopt(sk, level, optname, + optval, optlen); /* This is a string value all the others are int's */ if (optname == TCP_CONGESTION) { @@ -1939,8 +1939,8 @@ int tcp_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int val, len; if (level != SOL_TCP) - return tp->af_specific->getsockopt(sk, level, optname, - optval, optlen); + return icsk->icsk_af_ops->getsockopt(sk, level, optname, + optval, optlen); if (get_user(len, optlen)) return -EFAULT; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index bf2e23086bce..7de6184d4bd8 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -4071,8 +4071,10 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb, mb(); tcp_set_state(sk, TCP_ESTABLISHED); + icsk = inet_csk(sk); + /* Make sure socket is routed, for correct metrics. */ - tp->af_specific->rebuild_header(sk); + icsk->icsk_af_ops->rebuild_header(sk); tcp_init_metrics(sk); @@ -4098,8 +4100,6 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb, sk_wake_async(sk, 0, POLL_OUT); } - icsk = inet_csk(sk); - if (sk->sk_write_pending || icsk->icsk_accept_queue.rskq_defer_accept || icsk->icsk_ack.pingpong) { @@ -4220,6 +4220,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, struct tcphdr *th, unsigned len) { struct tcp_sock *tp = tcp_sk(sk); + struct inet_connection_sock *icsk = inet_csk(sk); int queued = 0; tp->rx_opt.saw_tstamp = 0; @@ -4236,7 +4237,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, goto discard; if(th->syn) { - if(tp->af_specific->conn_request(sk, skb) < 0) + if (icsk->icsk_af_ops->conn_request(sk, skb) < 0) return 1; /* Now we have several options: In theory there is @@ -4349,7 +4350,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, /* Make sure socket is routed, for * correct metrics. */ - tp->af_specific->rebuild_header(sk); + icsk->icsk_af_ops->rebuild_header(sk); tcp_init_metrics(sk); diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 2aa19c89a94a..704cf2105795 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -86,8 +86,7 @@ int sysctl_tcp_low_latency; /* Socket used for sending RSTs */ static struct socket *tcp_socket; -void tcp_v4_send_check(struct sock *sk, struct tcphdr *th, int len, - struct sk_buff *skb); +void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb); struct inet_hashinfo __cacheline_aligned tcp_hashinfo = { .lhash_lock = RW_LOCK_UNLOCKED, @@ -645,10 +644,10 @@ out: } /* This routine computes an IPv4 TCP checksum. */ -void tcp_v4_send_check(struct sock *sk, struct tcphdr *th, int len, - struct sk_buff *skb) +void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb) { struct inet_sock *inet = inet_sk(sk); + struct tcphdr *th = skb->h.th; if (skb->ip_summed == CHECKSUM_HW) { th->check = ~tcp_v4_check(th, len, inet->saddr, inet->daddr, 0); @@ -1383,7 +1382,7 @@ int tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw) return 0; } -struct tcp_func ipv4_specific = { +struct inet_connection_sock_af_ops ipv4_specific = { .queue_xmit = ip_queue_xmit, .send_check = tcp_v4_send_check, .rebuild_header = inet_sk_rebuild_header, @@ -1434,7 +1433,7 @@ static int tcp_v4_init_sock(struct sock *sk) sk->sk_write_space = sk_stream_write_space; sock_set_flag(sk, SOCK_USE_WRITE_QUEUE); - tp->af_specific = &ipv4_specific; + icsk->icsk_af_ops = &ipv4_specific; sk->sk_sndbuf = sysctl_tcp_wmem[1]; sk->sk_rcvbuf = sysctl_tcp_rmem[1]; diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index 1b66a2ac4321..9c029683a626 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -274,18 +274,18 @@ kill: void tcp_time_wait(struct sock *sk, int state, int timeo) { struct inet_timewait_sock *tw = NULL; + const struct inet_connection_sock *icsk = inet_csk(sk); const struct tcp_sock *tp = tcp_sk(sk); int recycle_ok = 0; if (tcp_death_row.sysctl_tw_recycle && tp->rx_opt.ts_recent_stamp) - recycle_ok = tp->af_specific->remember_stamp(sk); + recycle_ok = icsk->icsk_af_ops->remember_stamp(sk); if (tcp_death_row.tw_count < tcp_death_row.sysctl_max_tw_buckets) tw = inet_twsk_alloc(sk, state); if (tw != NULL) { struct tcp_timewait_sock *tcptw = tcp_twsk((struct sock *)tw); - const struct inet_connection_sock *icsk = inet_csk(sk); const int rto = (icsk->icsk_rto << 2) - (icsk->icsk_rto >> 1); tw->tw_rcv_wscale = tp->rx_opt.rcv_wscale; @@ -456,7 +456,6 @@ struct sock *tcp_check_req(struct sock *sk,struct sk_buff *skb, struct request_sock **prev) { struct tcphdr *th = skb->h.th; - struct tcp_sock *tp = tcp_sk(sk); u32 flg = tcp_flag_word(th) & (TCP_FLAG_RST|TCP_FLAG_SYN|TCP_FLAG_ACK); int paws_reject = 0; struct tcp_options_received tmp_opt; @@ -613,7 +612,8 @@ struct sock *tcp_check_req(struct sock *sk,struct sk_buff *skb, * ESTABLISHED STATE. If it will be dropped after * socket is created, wait for troubles. */ - child = tp->af_specific->syn_recv_sock(sk, skb, req, NULL); + child = inet_csk(sk)->icsk_af_ops->syn_recv_sock(sk, skb, + req, NULL); if (child == NULL) goto listen_overflow; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index b7325e0b406a..af1946c52c37 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -371,7 +371,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it, TCP_ECN_send(sk, tp, skb, tcp_header_size); } - tp->af_specific->send_check(sk, th, skb->len, skb); + icsk->icsk_af_ops->send_check(sk, skb->len, skb); if (likely(tcb->flags & TCPCB_FLAG_ACK)) tcp_event_ack_sent(sk, tcp_skb_pcount(skb)); @@ -381,7 +381,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it, TCP_INC_STATS(TCP_MIB_OUTSEGS); - err = tp->af_specific->queue_xmit(skb, 0); + err = icsk->icsk_af_ops->queue_xmit(skb, 0); if (unlikely(err <= 0)) return err; @@ -638,12 +638,11 @@ int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len) unsigned int tcp_sync_mss(struct sock *sk, u32 pmtu) { struct tcp_sock *tp = tcp_sk(sk); - int mss_now; - /* Calculate base mss without TCP options: It is MMS_S - sizeof(tcphdr) of rfc1122 */ - mss_now = pmtu - tp->af_specific->net_header_len - sizeof(struct tcphdr); + int mss_now = (pmtu - inet_csk(sk)->icsk_af_ops->net_header_len - + sizeof(struct tcphdr)); /* Clamp it (mss_clamp does not include tcp options) */ if (mss_now > tp->rx_opt.mss_clamp) @@ -705,9 +704,9 @@ unsigned int tcp_current_mss(struct sock *sk, int large_allowed) xmit_size_goal = mss_now; if (doing_tso) { - xmit_size_goal = 65535 - - tp->af_specific->net_header_len - - tp->ext_header_len - tp->tcp_header_len; + xmit_size_goal = (65535 - + inet_csk(sk)->icsk_af_ops->net_header_len - + tp->ext_header_len - tp->tcp_header_len); if (tp->max_window && (xmit_size_goal > (tp->max_window >> 1))) @@ -1422,7 +1421,7 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) (sysctl_tcp_retrans_collapse != 0)) tcp_retrans_try_collapse(sk, skb, cur_mss); - if(tp->af_specific->rebuild_header(sk)) + if (inet_csk(sk)->icsk_af_ops->rebuild_header(sk)) return -EHOSTUNREACH; /* Routing failure or similar. */ /* Some Solaris stacks overoptimize and ignore the FIN on a diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 3620718defe6..b6b63fa8454c 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -170,7 +170,7 @@ int ipv6_setsockopt(struct sock *sk, int level, int optname, sock_prot_inc_use(&tcp_prot); local_bh_enable(); sk->sk_prot = &tcp_prot; - tp->af_specific = &ipv4_specific; + inet_csk(sk)->icsk_af_ops = &ipv4_specific; sk->sk_socket->ops = &inet_stream_ops; sk->sk_family = PF_INET; tcp_sync_mss(sk, tp->pmtu_cookie); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index c2472d771664..8ce8a1359d2b 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -68,14 +68,14 @@ static void tcp_v6_send_reset(struct sk_buff *skb); static void tcp_v6_reqsk_send_ack(struct sk_buff *skb, struct request_sock *req); -static void tcp_v6_send_check(struct sock *sk, struct tcphdr *th, int len, +static void tcp_v6_send_check(struct sock *sk, int len, struct sk_buff *skb); static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb); static int tcp_v6_xmit(struct sk_buff *skb, int ipfragok); -static struct tcp_func ipv6_mapped; -static struct tcp_func ipv6_specific; +static struct inet_connection_sock_af_ops ipv6_mapped; +static struct inet_connection_sock_af_ops ipv6_specific; int inet6_csk_bind_conflict(const struct sock *sk, const struct inet_bind_bucket *tb) @@ -107,9 +107,7 @@ static int tcp_v6_get_port(struct sock *sk, unsigned short snum) static void tcp_v6_hash(struct sock *sk) { if (sk->sk_state != TCP_CLOSE) { - struct tcp_sock *tp = tcp_sk(sk); - - if (tp->af_specific == &ipv6_mapped) { + if (inet_csk(sk)->icsk_af_ops == &ipv6_mapped) { tcp_prot.hash(sk); return; } @@ -417,14 +415,14 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, sin.sin_port = usin->sin6_port; sin.sin_addr.s_addr = usin->sin6_addr.s6_addr32[3]; - tp->af_specific = &ipv6_mapped; + inet_csk(sk)->icsk_af_ops = &ipv6_mapped; sk->sk_backlog_rcv = tcp_v4_do_rcv; err = tcp_v4_connect(sk, (struct sockaddr *)&sin, sizeof(sin)); if (err) { tp->ext_header_len = exthdrlen; - tp->af_specific = &ipv6_specific; + inet_csk(sk)->icsk_af_ops = &ipv6_specific; sk->sk_backlog_rcv = tcp_v6_do_rcv; goto failure; } else { @@ -751,10 +749,10 @@ static int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb) } -static void tcp_v6_send_check(struct sock *sk, struct tcphdr *th, int len, - struct sk_buff *skb) +static void tcp_v6_send_check(struct sock *sk, int len, struct sk_buff *skb) { struct ipv6_pinfo *np = inet6_sk(sk); + struct tcphdr *th = skb->h.th; if (skb->ip_summed == CHECKSUM_HW) { th->check = ~csum_ipv6_magic(&np->saddr, &np->daddr, len, IPPROTO_TCP, 0); @@ -1070,7 +1068,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, ipv6_addr_copy(&newnp->rcv_saddr, &newnp->saddr); - newtp->af_specific = &ipv6_mapped; + inet_csk(newsk)->icsk_af_ops = &ipv6_mapped; newsk->sk_backlog_rcv = tcp_v4_do_rcv; newnp->pktoptions = NULL; newnp->opt = NULL; @@ -1084,7 +1082,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, */ /* It is tricky place. Until this moment IPv4 tcp - worked with IPv6 af_tcp.af_specific. + worked with IPv6 icsk.icsk_af_ops. Sync it now. */ tcp_sync_mss(newsk, newtp->pmtu_cookie); @@ -1631,7 +1629,7 @@ static int tcp_v6_remember_stamp(struct sock *sk) return 0; } -static struct tcp_func ipv6_specific = { +static struct inet_connection_sock_af_ops ipv6_specific = { .queue_xmit = tcp_v6_xmit, .send_check = tcp_v6_send_check, .rebuild_header = tcp_v6_rebuild_header, @@ -1650,7 +1648,7 @@ static struct tcp_func ipv6_specific = { * TCP over IPv4 via INET6 API */ -static struct tcp_func ipv6_mapped = { +static struct inet_connection_sock_af_ops ipv6_mapped = { .queue_xmit = ip_queue_xmit, .send_check = tcp_v4_send_check, .rebuild_header = inet_sk_rebuild_header, @@ -1700,7 +1698,7 @@ static int tcp_v6_init_sock(struct sock *sk) sk->sk_state = TCP_CLOSE; - tp->af_specific = &ipv6_specific; + icsk->icsk_af_ops = &ipv6_specific; icsk->icsk_ca_ops = &tcp_init_congestion_ops; sk->sk_write_space = sk_stream_write_space; sock_set_flag(sk, SOCK_USE_WRITE_QUEUE); |