diff options
author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-03-09 04:45:19 (GMT) |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-26 05:24:13 (GMT) |
commit | 2de979bd7da9c8b39cc0aabb0ab5aa1516d929eb (patch) | |
tree | fa3ad76a09660b3b8dac1c53a64f202088c0764c /net/ipv4/tcp_input.c | |
parent | 132adf54639cf7dd9315e8df89c2faa59f6e46d9 (diff) | |
download | linux-2de979bd7da9c8b39cc0aabb0ab5aa1516d929eb.tar.xz |
[TCP]: whitespace cleanup
Add whitespace around keywords.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r-- | net/ipv4/tcp_input.c | 57 |
1 files changed, 28 insertions, 29 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 22d0bb03..fb02560 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -578,7 +578,7 @@ static void tcp_rtt_estimator(struct sock *sk, const __u32 mrtt) * does not matter how to _calculate_ it. Seems, it was trap * that VJ failed to avoid. 8) */ - if(m == 0) + if (m == 0) m = 1; if (tp->srtt != 0) { m -= (tp->srtt >> 3); /* m is now error in rtt est */ @@ -1758,12 +1758,11 @@ static void tcp_mark_head_lost(struct sock *sk, struct tcp_sock *tp, /* clear xmit_retransmit_queue hints * if this is beyond hint */ - if(tp->retransmit_skb_hint != NULL && - before(TCP_SKB_CB(skb)->seq, - TCP_SKB_CB(tp->retransmit_skb_hint)->seq)) { - + if (tp->retransmit_skb_hint != NULL && + before(TCP_SKB_CB(skb)->seq, + TCP_SKB_CB(tp->retransmit_skb_hint)->seq)) tp->retransmit_skb_hint = NULL; - } + } } tcp_sync_left_out(tp); @@ -2441,7 +2440,7 @@ static int tcp_clean_rtx_queue(struct sock *sk, __s32 *seq_rtt_p) if (sacked) { if (sacked & TCPCB_RETRANS) { - if(sacked & TCPCB_SACKED_RETRANS) + if (sacked & TCPCB_SACKED_RETRANS) tp->retrans_out -= tcp_skb_pcount(skb); acked |= FLAG_RETRANS_DATA_ACKED; seq_rtt = -1; @@ -2840,7 +2839,7 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx, ptr = (unsigned char *)(th + 1); opt_rx->saw_tstamp = 0; - while(length>0) { + while (length > 0) { int opcode=*ptr++; int opsize; @@ -2856,9 +2855,9 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx, return; if (opsize > length) return; /* don't parse partial options */ - switch(opcode) { + switch (opcode) { case TCPOPT_MSS: - if(opsize==TCPOLEN_MSS && th->syn && !estab) { + if (opsize==TCPOLEN_MSS && th->syn && !estab) { u16 in_mss = ntohs(get_unaligned((__be16 *)ptr)); if (in_mss) { if (opt_rx->user_mss && opt_rx->user_mss < in_mss) @@ -2868,12 +2867,12 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx, } break; case TCPOPT_WINDOW: - if(opsize==TCPOLEN_WINDOW && th->syn && !estab) + if (opsize==TCPOLEN_WINDOW && th->syn && !estab) if (sysctl_tcp_window_scaling) { __u8 snd_wscale = *(__u8 *) ptr; opt_rx->wscale_ok = 1; if (snd_wscale > 14) { - if(net_ratelimit()) + if (net_ratelimit()) printk(KERN_INFO "tcp_parse_options: Illegal window " "scaling value %d >14 received.\n", snd_wscale); @@ -2883,7 +2882,7 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx, } break; case TCPOPT_TIMESTAMP: - if(opsize==TCPOLEN_TIMESTAMP) { + if (opsize==TCPOLEN_TIMESTAMP) { if ((estab && opt_rx->tstamp_ok) || (!estab && sysctl_tcp_timestamps)) { opt_rx->saw_tstamp = 1; @@ -2893,7 +2892,7 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx, } break; case TCPOPT_SACK_PERM: - if(opsize==TCPOLEN_SACK_PERM && th->syn && !estab) { + if (opsize==TCPOLEN_SACK_PERM && th->syn && !estab) { if (sysctl_tcp_sack) { opt_rx->sack_ok = 1; tcp_sack_reset(opt_rx); @@ -2902,7 +2901,7 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx, break; case TCPOPT_SACK: - if((opsize >= (TCPOLEN_SACK_BASE + TCPOLEN_SACK_PERBLOCK)) && + if ((opsize >= (TCPOLEN_SACK_BASE + TCPOLEN_SACK_PERBLOCK)) && !((opsize - TCPOLEN_SACK_BASE) % TCPOLEN_SACK_PERBLOCK) && opt_rx->sack_ok) { TCP_SKB_CB(skb)->sacked = (ptr - 2) - (unsigned char *)th; @@ -2964,7 +2963,7 @@ static inline void tcp_replace_ts_recent(struct tcp_sock *tp, u32 seq) * Not only, also it occurs for expired timestamps. */ - if((s32)(tp->rx_opt.rcv_tsval - tp->rx_opt.ts_recent) >= 0 || + if ((s32)(tp->rx_opt.rcv_tsval - tp->rx_opt.ts_recent) >= 0 || get_seconds() >= tp->rx_opt.ts_recent_stamp + TCP_PAWS_24DAYS) tcp_store_ts_recent(tp); } @@ -3223,7 +3222,7 @@ static void tcp_sack_maybe_coalesce(struct tcp_sock *tp) */ tp->rx_opt.num_sacks--; tp->rx_opt.eff_sacks = min(tp->rx_opt.num_sacks + tp->rx_opt.dsack, 4 - tp->rx_opt.tstamp_ok); - for(i=this_sack; i < tp->rx_opt.num_sacks; i++) + for (i=this_sack; i < tp->rx_opt.num_sacks; i++) sp[i] = sp[i+1]; continue; } @@ -3276,7 +3275,7 @@ static void tcp_sack_new_ofo_skb(struct sock *sk, u32 seq, u32 end_seq) tp->rx_opt.num_sacks--; sp--; } - for(; this_sack > 0; this_sack--, sp--) + for (; this_sack > 0; this_sack--, sp--) *sp = *(sp-1); new_sack: @@ -3302,7 +3301,7 @@ static void tcp_sack_remove(struct tcp_sock *tp) return; } - for(this_sack = 0; this_sack < num_sacks; ) { + for (this_sack = 0; this_sack < num_sacks; ) { /* Check if the start of the sack is covered by RCV.NXT. */ if (!before(tp->rcv_nxt, sp->start_seq)) { int i; @@ -3358,7 +3357,7 @@ static void tcp_ofo_queue(struct sock *sk) __skb_unlink(skb, &tp->out_of_order_queue); __skb_queue_tail(&sk->sk_receive_queue, skb); tp->rcv_nxt = TCP_SKB_CB(skb)->end_seq; - if(skb->h.th->fin) + if (skb->h.th->fin) tcp_fin(skb, sk, skb->h.th); } } @@ -3424,9 +3423,9 @@ queue_and_out: __skb_queue_tail(&sk->sk_receive_queue, skb); } tp->rcv_nxt = TCP_SKB_CB(skb)->end_seq; - if(skb->len) + if (skb->len) tcp_event_data_recv(sk, tp, skb); - if(th->fin) + if (th->fin) tcp_fin(skb, sk, th); if (!skb_queue_empty(&tp->out_of_order_queue)) { @@ -4323,7 +4322,7 @@ slow_path: goto discard; } - if(th->rst) { + if (th->rst) { tcp_reset(sk); goto discard; } @@ -4338,7 +4337,7 @@ slow_path: } step5: - if(th->ack) + if (th->ack) tcp_ack(sk, skb, FLAG_SLOWPATH); tcp_rcv_rtt_measure_ts(sk, skb); @@ -4626,13 +4625,13 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, goto discard; case TCP_LISTEN: - if(th->ack) + if (th->ack) return 1; - if(th->rst) + if (th->rst) goto discard; - if(th->syn) { + if (th->syn) { if (icsk->icsk_af_ops->conn_request(sk, skb) < 0) return 1; @@ -4688,7 +4687,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, } /* step 2: check RST bit */ - if(th->rst) { + if (th->rst) { tcp_reset(sk); goto discard; } @@ -4711,7 +4710,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, if (th->ack) { int acceptable = tcp_ack(sk, skb, FLAG_SLOWPATH); - switch(sk->sk_state) { + switch (sk->sk_state) { case TCP_SYN_RECV: if (acceptable) { tp->copied_seq = tp->rcv_nxt; |