[TCP]: cleanup tcp_{in,out}put.c style

These were manually selected from indent's results which as is
are too noisy to be of any use without human reason. In addition,
some extra newlines between function and its comment were removed
too.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 227 insertions, 209 deletions

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 1e7fd8113663..18e099c6fa62 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -121,8 +121,7 @@ int sysctl_tcp_abc __read_mostly;
 /* Adapt the MSS value used to make delayed ack decision to the
  * real world.
  */
-static void tcp_measure_rcv_mss(struct sock *sk,
-				const struct sk_buff *skb)
+static void tcp_measure_rcv_mss(struct sock *sk, const struct sk_buff *skb)
 {
 	struct inet_connection_sock *icsk = inet_csk(sk);
 	const unsigned int lss = icsk->icsk_ack.last_seg_size;
@@ -133,7 +132,7 @@ static void tcp_measure_rcv_mss(struct sock *sk,
 	/* skb->len may jitter because of SACKs, even if peer
 	 * sends good full-sized frames.
 	 */
-	len = skb_shinfo(skb)->gso_size ?: skb->len;
+	len = skb_shinfo(skb)->gso_size ? : skb->len;
 	if (len >= icsk->icsk_ack.rcv_mss) {
 		icsk->icsk_ack.rcv_mss = len;
 	} else {
@@ -173,8 +172,8 @@ static void tcp_incr_quickack(struct sock *sk)
 	struct inet_connection_sock *icsk = inet_csk(sk);
 	unsigned quickacks = tcp_sk(sk)->rcv_wnd / (2 * icsk->icsk_ack.rcv_mss);
 
-	if (quickacks==0)
-		quickacks=2;
+	if (quickacks == 0)
+		quickacks = 2;
 	if (quickacks > icsk->icsk_ack.quick)
 		icsk->icsk_ack.quick = min(quickacks, TCP_MAX_QUICKACKS);
 }
@@ -199,7 +198,7 @@ static inline int tcp_in_quickack_mode(const struct sock *sk)
 
 static inline void TCP_ECN_queue_cwr(struct tcp_sock *tp)
 {
-	if (tp->ecn_flags&TCP_ECN_OK)
+	if (tp->ecn_flags & TCP_ECN_OK)
 		tp->ecn_flags |= TCP_ECN_QUEUE_CWR;
 }
 
@@ -216,7 +215,7 @@ static inline void TCP_ECN_withdraw_cwr(struct tcp_sock *tp)
 
 static inline void TCP_ECN_check_ce(struct tcp_sock *tp, struct sk_buff *skb)
 {
-	if (tp->ecn_flags&TCP_ECN_OK) {
+	if (tp->ecn_flags & TCP_ECN_OK) {
 		if (INET_ECN_is_ce(TCP_SKB_CB(skb)->flags))
 			tp->ecn_flags |= TCP_ECN_DEMAND_CWR;
 		/* Funny extension: if ECT is not set on a segment,
@@ -229,19 +228,19 @@ static inline void TCP_ECN_check_ce(struct tcp_sock *tp, struct sk_buff *skb)
 
 static inline void TCP_ECN_rcv_synack(struct tcp_sock *tp, struct tcphdr *th)
 {
-	if ((tp->ecn_flags&TCP_ECN_OK) && (!th->ece || th->cwr))
+	if ((tp->ecn_flags & TCP_ECN_OK) && (!th->ece || th->cwr))
 		tp->ecn_flags &= ~TCP_ECN_OK;
 }
 
 static inline void TCP_ECN_rcv_syn(struct tcp_sock *tp, struct tcphdr *th)
 {
-	if ((tp->ecn_flags&TCP_ECN_OK) && (!th->ece || !th->cwr))
+	if ((tp->ecn_flags & TCP_ECN_OK) && (!th->ece || !th->cwr))
 		tp->ecn_flags &= ~TCP_ECN_OK;
 }
 
 static inline int TCP_ECN_rcv_ecn_echo(struct tcp_sock *tp, struct tcphdr *th)
 {
-	if (th->ece && !th->syn && (tp->ecn_flags&TCP_ECN_OK))
+	if (th->ece && !th->syn && (tp->ecn_flags & TCP_ECN_OK))
 		return 1;
 	return 0;
 }
@@ -303,8 +302,7 @@ static int __tcp_grow_window(const struct sock *sk, const struct sk_buff *skb)
 	return 0;
 }
 
-static void tcp_grow_window(struct sock *sk,
-			    struct sk_buff *skb)
+static void tcp_grow_window(struct sock *sk, struct sk_buff *skb)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 
@@ -318,12 +316,13 @@ static void tcp_grow_window(struct sock *sk,
 		 * will fit to rcvbuf in future.
 		 */
 		if (tcp_win_from_space(skb->truesize) <= skb->len)
-			incr = 2*tp->advmss;
+			incr = 2 * tp->advmss;
 		else
 			incr = __tcp_grow_window(sk, skb);
 
 		if (incr) {
-			tp->rcv_ssthresh = min(tp->rcv_ssthresh + incr, tp->window_clamp);
+			tp->rcv_ssthresh = min(tp->rcv_ssthresh + incr,
+					       tp->window_clamp);
 			inet_csk(sk)->icsk_ack.quick |= 1;
 		}
 	}
@@ -398,10 +397,9 @@ static void tcp_clamp_window(struct sock *sk)
 				    sysctl_tcp_rmem[2]);
 	}
 	if (atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf)
-		tp->rcv_ssthresh = min(tp->window_clamp, 2U*tp->advmss);
+		tp->rcv_ssthresh = min(tp->window_clamp, 2U * tp->advmss);
 }
 
-
 /* Initialize RCV_MSS value.
  * RCV_MSS is an our guess about MSS used by the peer.
  * We haven't any direct information about the MSS.
@@ -414,7 +412,7 @@ void tcp_initialize_rcv_mss(struct sock *sk)
 	struct tcp_sock *tp = tcp_sk(sk);
 	unsigned int hint = min_t(unsigned int, tp->advmss, tp->mss_cache);
 
-	hint = min(hint, tp->rcv_wnd/2);
+	hint = min(hint, tp->rcv_wnd / 2);
 	hint = min(hint, TCP_MIN_RCVMSS);
 	hint = max(hint, TCP_MIN_MSS);
 
@@ -471,16 +469,15 @@ static inline void tcp_rcv_rtt_measure(struct tcp_sock *tp)
 		goto new_measure;
 	if (before(tp->rcv_nxt, tp->rcv_rtt_est.seq))
 		return;
-	tcp_rcv_rtt_update(tp,
-			   jiffies - tp->rcv_rtt_est.time,
-			   1);
+	tcp_rcv_rtt_update(tp, jiffies - tp->rcv_rtt_est.time, 1);
 
 new_measure:
 	tp->rcv_rtt_est.seq = tp->rcv_nxt + tp->rcv_wnd;
 	tp->rcv_rtt_est.time = tcp_time_stamp;
 }
 
-static inline void tcp_rcv_rtt_measure_ts(struct sock *sk, const struct sk_buff *skb)
+static inline void tcp_rcv_rtt_measure_ts(struct sock *sk,
+					  const struct sk_buff *skb)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	if (tp->rx_opt.rcv_tsecr &&
@@ -503,8 +500,7 @@ void tcp_rcv_space_adjust(struct sock *sk)
 		goto new_measure;
 
 	time = tcp_time_stamp - tp->rcvq_space.time;
-	if (time < (tp->rcv_rtt_est.rtt >> 3) ||
-	    tp->rcv_rtt_est.rtt == 0)
+	if (time < (tp->rcv_rtt_est.rtt >> 3) || tp->rcv_rtt_est.rtt == 0)
 		return;
 
 	space = 2 * (tp->copied_seq - tp->rcvq_space.seq);
@@ -580,7 +576,7 @@ static void tcp_event_data_recv(struct sock *sk, struct sk_buff *skb)
 	} else {
 		int m = now - icsk->icsk_ack.lrcvtime;
 
-		if (m <= TCP_ATO_MIN/2) {
+		if (m <= TCP_ATO_MIN / 2) {
 			/* The fastest case is the first. */
 			icsk->icsk_ack.ato = (icsk->icsk_ack.ato >> 1) + TCP_ATO_MIN / 2;
 		} else if (m < icsk->icsk_ack.ato) {
@@ -609,7 +605,7 @@ static u32 tcp_rto_min(struct sock *sk)
 	u32 rto_min = TCP_RTO_MIN;
 
 	if (dst && dst_metric_locked(dst, RTAX_RTO_MIN))
-		rto_min = dst->metrics[RTAX_RTO_MIN-1];
+		rto_min = dst->metrics[RTAX_RTO_MIN - 1];
 	return rto_min;
 }
 
@@ -672,14 +668,14 @@ static void tcp_rtt_estimator(struct sock *sk, const __u32 mrtt)
 		}
 		if (after(tp->snd_una, tp->rtt_seq)) {
 			if (tp->mdev_max < tp->rttvar)
-				tp->rttvar -= (tp->rttvar-tp->mdev_max)>>2;
+				tp->rttvar -= (tp->rttvar - tp->mdev_max) >> 2;
 			tp->rtt_seq = tp->snd_nxt;
 			tp->mdev_max = tcp_rto_min(sk);
 		}
 	} else {
 		/* no previous measure. */
-		tp->srtt = m<<3;	/* take the measured time to be rtt */
-		tp->mdev = m<<1;	/* make sure rto = 3*rtt */
+		tp->srtt = m << 3;	/* take the measured time to be rtt */
+		tp->mdev = m << 1;	/* make sure rto = 3*rtt */
 		tp->mdev_max = tp->rttvar = max(tp->mdev, tcp_rto_min(sk));
 		tp->rtt_seq = tp->snd_nxt;
 	}
@@ -733,7 +729,7 @@ void tcp_update_metrics(struct sock *sk)
 
 	dst_confirm(dst);
 
-	if (dst && (dst->flags&DST_HOST)) {
+	if (dst && (dst->flags & DST_HOST)) {
 		const struct inet_connection_sock *icsk = inet_csk(sk);
 		int m;
 
@@ -743,7 +739,7 @@ void tcp_update_metrics(struct sock *sk)
 			 * Reset our results.
 			 */
 			if (!(dst_metric_locked(dst, RTAX_RTT)))
-				dst->metrics[RTAX_RTT-1] = 0;
+				dst->metrics[RTAX_RTT - 1] = 0;
 			return;
 		}
 
@@ -755,9 +751,9 @@ void tcp_update_metrics(struct sock *sk)
 		 */
 		if (!(dst_metric_locked(dst, RTAX_RTT))) {
 			if (m <= 0)
-				dst->metrics[RTAX_RTT-1] = tp->srtt;
+				dst->metrics[RTAX_RTT - 1] = tp->srtt;
 			else
-				dst->metrics[RTAX_RTT-1] -= (m>>3);
+				dst->metrics[RTAX_RTT - 1] -= (m >> 3);
 		}
 
 		if (!(dst_metric_locked(dst, RTAX_RTTVAR))) {
@@ -770,7 +766,7 @@ void tcp_update_metrics(struct sock *sk)
 				m = tp->mdev;
 
 			if (m >= dst_metric(dst, RTAX_RTTVAR))
-				dst->metrics[RTAX_RTTVAR-1] = m;
+				dst->metrics[RTAX_RTTVAR - 1] = m;
 			else
 				dst->metrics[RTAX_RTTVAR-1] -=
 					(dst->metrics[RTAX_RTTVAR-1] - m)>>2;
@@ -784,7 +780,7 @@ void tcp_update_metrics(struct sock *sk)
 				dst->metrics[RTAX_SSTHRESH-1] = tp->snd_cwnd >> 1;
 			if (!dst_metric_locked(dst, RTAX_CWND) &&
 			    tp->snd_cwnd > dst_metric(dst, RTAX_CWND))
-				dst->metrics[RTAX_CWND-1] = tp->snd_cwnd;
+				dst->metrics[RTAX_CWND - 1] = tp->snd_cwnd;
 		} else if (tp->snd_cwnd > tp->snd_ssthresh &&
 			   icsk->icsk_ca_state == TCP_CA_Open) {
 			/* Cong. avoidance phase, cwnd is reliable. */
@@ -1353,12 +1349,14 @@ static struct sk_buff *tcp_sacktag_walk(struct sk_buff *skb, struct sock *sk,
 		}
 
 		if (in_sack <= 0)
-			in_sack = tcp_match_skb_to_sack(sk, skb, start_seq, end_seq);
+			in_sack = tcp_match_skb_to_sack(sk, skb, start_seq,
+							end_seq);
 		if (unlikely(in_sack < 0))
 			break;
 
 		if (in_sack)
-			*flag |= tcp_sacktag_one(skb, sk, reord, dup_sack, *fack_count);
+			*flag |= tcp_sacktag_one(skb, sk, reord, dup_sack,
+						 *fack_count);
 
 		*fack_count += tcp_skb_pcount(skb);
 	}
@@ -1407,7 +1405,8 @@ static int tcp_sack_cache_ok(struct tcp_sock *tp, struct tcp_sack_block *cache)
 }
 
 static int
-tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb, u32 prior_snd_una)
+tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb,
+			u32 prior_snd_una)
 {
 	const struct inet_connection_sock *icsk = inet_csk(sk);
 	struct tcp_sock *tp = tcp_sk(sk);
@@ -1417,7 +1416,7 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb, u32 prior_snd_
 	struct tcp_sack_block sp[4];
 	struct tcp_sack_block *cache;
 	struct sk_buff *skb;
-	int num_sacks = (ptr[1] - TCPOLEN_SACK_BASE)>>3;
+	int num_sacks = (ptr[1] - TCPOLEN_SACK_BASE) >> 3;
 	int used_sacks;
 	int reord = tp->packets_out;
 	int flag = 0;
@@ -1484,17 +1483,17 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb, u32 prior_snd_
 
 	/* order SACK blocks to allow in order walk of the retrans queue */
 	for (i = used_sacks - 1; i > 0; i--) {
-		for (j = 0; j < i; j++){
-			if (after(sp[j].start_seq, sp[j+1].start_seq)) {
+		for (j = 0; j < i; j++) {
+			if (after(sp[j].start_seq, sp[j + 1].start_seq)) {
 				struct tcp_sack_block tmp;
 
 				tmp = sp[j];
-				sp[j] = sp[j+1];
-				sp[j+1] = tmp;
+				sp[j] = sp[j + 1];
+				sp[j + 1] = tmp;
 
 				/* Track where the first SACK block goes to */
 				if (j == first_sack_index)
-					first_sack_index = j+1;
+					first_sack_index = j + 1;
 			}
 		}
 	}
@@ -1539,17 +1538,21 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb, u32 prior_snd_
 			/* Head todo? */
 			if (before(start_seq, cache->start_seq)) {
 				skb = tcp_sacktag_skip(skb, sk, start_seq);
-				skb = tcp_sacktag_walk(skb, sk, next_dup, start_seq,
-						       cache->start_seq, dup_sack,
-						       &fack_count, &reord, &flag);
+				skb = tcp_sacktag_walk(skb, sk, next_dup,
+						       start_seq,
+						       cache->start_seq,
+						       dup_sack, &fack_count,
+						       &reord, &flag);
 			}
 
 			/* Rest of the block already fully processed? */
 			if (!after(end_seq, cache->end_seq))
 				goto advance_sp;
 
-			skb = tcp_maybe_skipping_dsack(skb, sk, next_dup, cache->end_seq,
-						       &fack_count, &reord, &flag);
+			skb = tcp_maybe_skipping_dsack(skb, sk, next_dup,
+						       cache->end_seq,
+						       &fack_count, &reord,
+						       &flag);
 
 			/* ...tail remains todo... */
 			if (tcp_highest_sack_seq(tp) == cache->end_seq) {
@@ -1654,10 +1657,10 @@ static void tcp_remove_reno_sacks(struct sock *sk, int acked)
 
 	if (acked > 0) {
 		/* One ACK acked hole. The rest eat duplicate ACKs. */
-		if (acked-1 >= tp->sacked_out)
+		if (acked - 1 >= tp->sacked_out)
 			tp->sacked_out = 0;
 		else
-			tp->sacked_out -= acked-1;
+			tp->sacked_out -= acked - 1;
 	}
 	tcp_check_reno_reordering(sk, acked);
 	tcp_verify_left_out(tp);
@@ -1691,10 +1694,10 @@ int tcp_use_frto(struct sock *sk)
 	tcp_for_write_queue_from(skb, sk) {
 		if (skb == tcp_send_head(sk))
 			break;
-		if (TCP_SKB_CB(skb)->sacked&TCPCB_RETRANS)
+		if (TCP_SKB_CB(skb)->sacked & TCPCB_RETRANS)
 			return 0;
 		/* Short-circuit when first non-SACKed skb has been checked */
-		if (!(TCP_SKB_CB(skb)->sacked&TCPCB_SACKED_ACKED))
+		if (!(TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED))
 			break;
 	}
 	return 1;
@@ -1804,7 +1807,7 @@ static void tcp_enter_frto_loss(struct sock *sk, int allowed_segments, int flag)
 		 * Count the retransmission made on RTO correctly (only when
 		 * waiting for the first ACK and did not get it)...
 		 */
-		if ((tp->frto_counter == 1) && !(flag&FLAG_DATA_ACKED)) {
+		if ((tp->frto_counter == 1) && !(flag & FLAG_DATA_ACKED)) {
 			/* For some reason this R-bit might get cleared? */
 			if (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_RETRANS)
 				tp->retrans_out += tcp_skb_pcount(skb);
@@ -1817,7 +1820,7 @@ static void tcp_enter_frto_loss(struct sock *sk, int allowed_segments, int flag)
 		}
 
 		/* Don't lost mark skbs that were fwd transmitted after RTO */
-		if (!(TCP_SKB_CB(skb)->sacked&TCPCB_SACKED_ACKED) &&
+		if (!(TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED) &&
 		    !after(TCP_SKB_CB(skb)->end_seq, tp->frto_highmark)) {
 			TCP_SKB_CB(skb)->sacked |= TCPCB_LOST;
 			tp->lost_out += tcp_skb_pcount(skb);
@@ -1832,7 +1835,7 @@ static void tcp_enter_frto_loss(struct sock *sk, int allowed_segments, int flag)
 	tp->bytes_acked = 0;
 
 	tp->reordering = min_t(unsigned int, tp->reordering,
-					     sysctl_tcp_reordering);
+			       sysctl_tcp_reordering);
 	tcp_set_ca_state(sk, TCP_CA_Loss);
 	tp->high_seq = tp->frto_highmark;
 	TCP_ECN_queue_cwr(tp);
@@ -1899,7 +1902,7 @@ void tcp_enter_loss(struct sock *sk, int how)
 		if (skb == tcp_send_head(sk))
 			break;
 
-		if (TCP_SKB_CB(skb)->sacked&TCPCB_RETRANS)
+		if (TCP_SKB_CB(skb)->sacked & TCPCB_RETRANS)
 			tp->undo_marker = 0;
 		TCP_SKB_CB(skb)->sacked &= (~TCPCB_TAGBITS)|TCPCB_SACKED_ACKED;
 		if (!(TCP_SKB_CB(skb)->sacked&TCPCB_SACKED_ACKED) || how) {
@@ -1911,7 +1914,7 @@ void tcp_enter_loss(struct sock *sk, int how)
 	tcp_verify_left_out(tp);
 
 	tp->reordering = min_t(unsigned int, tp->reordering,
-					     sysctl_tcp_reordering);
+			       sysctl_tcp_reordering);
 	tcp_set_ca_state(sk, TCP_CA_Loss);
 	tp->high_seq = tp->snd_nxt;
 	TCP_ECN_queue_cwr(tp);
@@ -1943,7 +1946,7 @@ static int tcp_check_sack_reneging(struct sock *sk, int flag)
 
 static inline int tcp_fackets_out(struct tcp_sock *tp)
 {
-	return tcp_is_reno(tp) ? tp->sacked_out+1 : tp->fackets_out;
+	return tcp_is_reno(tp) ? tp->sacked_out + 1 : tp->fackets_out;
 }
 
 /* Heurestics to calculate number of duplicate ACKs. There's no dupACKs
@@ -2116,12 +2119,11 @@ static int tcp_time_to_recover(struct sock *sk)
  * retransmitted past LOST markings in the first place? I'm not fully sure
  * about undo and end of connection cases, which can cause R without L?
  */
-static void tcp_verify_retransmit_hint(struct tcp_sock *tp,
-				       struct sk_buff *skb)
+static void tcp_verify_retransmit_hint(struct tcp_sock *tp, struct sk_buff *skb)
 {
 	if ((tp->retransmit_skb_hint != NULL) &&
 	    before(TCP_SKB_CB(skb)->seq,
-	    TCP_SKB_CB(tp->retransmit_skb_hint)->seq))
+		   TCP_SKB_CB(tp->retransmit_skb_hint)->seq))
 		tp->retransmit_skb_hint = NULL;
 }
 
@@ -2156,7 +2158,7 @@ static void tcp_mark_head_lost(struct sock *sk, int packets, int fast_rexmit)
 			cnt += tcp_skb_pcount(skb);
 
 		if (((!fast_rexmit || (tp->lost_out > 0)) && (cnt > packets)) ||
-		     after(TCP_SKB_CB(skb)->end_seq, tp->high_seq))
+		    after(TCP_SKB_CB(skb)->end_seq, tp->high_seq))
 			break;
 		if (!(TCP_SKB_CB(skb)->sacked & (TCPCB_SACKED_ACKED|TCPCB_LOST))) {
 			TCP_SKB_CB(skb)->sacked |= TCPCB_LOST;
@@ -2223,7 +2225,7 @@ static void tcp_update_scoreboard(struct sock *sk, int fast_rexmit)
 static inline void tcp_moderate_cwnd(struct tcp_sock *tp)
 {
 	tp->snd_cwnd = min(tp->snd_cwnd,
-			   tcp_packets_in_flight(tp)+tcp_max_burst(tp));
+			   tcp_packets_in_flight(tp) + tcp_max_burst(tp));
 	tp->snd_cwnd_stamp = tcp_time_stamp;
 }
 
@@ -2243,15 +2245,15 @@ static void tcp_cwnd_down(struct sock *sk, int flag)
 	struct tcp_sock *tp = tcp_sk(sk);
 	int decr = tp->snd_cwnd_cnt + 1;
 
-	if ((flag&(FLAG_ANY_PROGRESS|FLAG_DSACKING_ACK)) ||
-	    (tcp_is_reno(tp) && !(flag&FLAG_NOT_DUP))) {
-		tp->snd_cwnd_cnt = decr&1;
+	if ((flag & (FLAG_ANY_PROGRESS | FLAG_DSACKING_ACK)) ||
+	    (tcp_is_reno(tp) && !(flag & FLAG_NOT_DUP))) {
+		tp->snd_cwnd_cnt = decr & 1;
 		decr >>= 1;
 
 		if (decr && tp->snd_cwnd > tcp_cwnd_min(sk))
 			tp->snd_cwnd -= decr;
 
-		tp->snd_cwnd = min(tp->snd_cwnd, tcp_packets_in_flight(tp)+1);
+		tp->snd_cwnd = min(tp->snd_cwnd, tcp_packets_in_flight(tp) + 1);
 		tp->snd_cwnd_stamp = tcp_time_stamp;
 	}
 }
@@ -2295,7 +2297,7 @@ static void tcp_undo_cwr(struct sock *sk, const int undo)
 		if (icsk->icsk_ca_ops->undo_cwnd)
 			tp->snd_cwnd = icsk->icsk_ca_ops->undo_cwnd(sk);
 		else
-			tp->snd_cwnd = max(tp->snd_cwnd, tp->snd_ssthresh<<1);
+			tp->snd_cwnd = max(tp->snd_cwnd, tp->snd_ssthresh << 1);
 
 		if (undo && tp->prior_ssthresh > tp->snd_ssthresh) {
 			tp->snd_ssthresh = tp->prior_ssthresh;
@@ -2314,8 +2316,7 @@ static void tcp_undo_cwr(struct sock *sk, const int undo)
 
 static inline int tcp_may_undo(struct tcp_sock *tp)
 {
-	return tp->undo_marker &&
-		(!tp->undo_retrans || tcp_packet_delayed(tp));
+	return tp->undo_marker && (!tp->undo_retrans || tcp_packet_delayed(tp));
 }
 
 /* People celebrate: "We love our President!" */
@@ -2434,7 +2435,7 @@ static void tcp_try_to_open(struct sock *sk, int flag)
 	if (tp->retrans_out == 0)
 		tp->retrans_stamp = 0;
 
-	if (flag&FLAG_ECE)
+	if (flag & FLAG_ECE)
 		tcp_enter_cwr(sk, 1);
 
 	if (inet_csk(sk)->icsk_ca_state != TCP_CA_CWR) {
@@ -2480,7 +2481,6 @@ static void tcp_mtup_probe_success(struct sock *sk, struct sk_buff *skb)
 	tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);
 }
 
-
 /* Process an event, which can update packets-in-flight not trivially.
  * Main goal of this function is to calculate new estimate for left_out,
  * taking into account both packets sitting in receiver's buffer and
@@ -2492,13 +2492,12 @@ static void tcp_mtup_probe_success(struct sock *sk, struct sk_buff *skb)
  * It does _not_ decide what to send, it is made in function
  * tcp_xmit_retransmit_queue().
  */
-static void
-tcp_fastretrans_alert(struct sock *sk, int pkts_acked, int flag)
+static void tcp_fastretrans_alert(struct sock *sk, int pkts_acked, int flag)
 {
 	struct inet_connection_sock *icsk = inet_csk(sk);
 	struct tcp_sock *tp = tcp_sk(sk);
-	int is_dupack = !(flag&(FLAG_SND_UNA_ADVANCED|FLAG_NOT_DUP));
-	int do_lost = is_dupack || ((flag&FLAG_DATA_SACKED) &&
+	int is_dupack = !(flag & (FLAG_SND_UNA_ADVANCED | FLAG_NOT_DUP));
+	int do_lost = is_dupack || ((flag & FLAG_DATA_SACKED) &&
 				    (tcp_fackets_out(tp) > tp->reordering));
 	int fast_rexmit = 0;
 
@@ -2509,7 +2508,7 @@ tcp_fastretrans_alert(struct sock *sk, int pkts_acked, int flag)
 
 	/* Now state machine starts.
 	 * A. ECE, hence prohibit cwnd undoing, the reduction is required. */
-	if (flag&FLAG_ECE)
+	if (flag & FLAG_ECE)
 		tp->prior_ssthresh = 0;
 
 	/* B. In all the states check for reneging SACKs. */
@@ -2521,7 +2520,7 @@ tcp_fastretrans_alert(struct sock *sk, int pkts_acked, int flag)
 	    before(tp->snd_una, tp->high_seq) &&
 	    icsk->icsk_ca_state != TCP_CA_Open &&
 	    tp->fackets_out > tp->reordering) {
-		tcp_mark_head_lost(sk, tp->fackets_out-tp->reordering, 0);
+		tcp_mark_head_lost(sk, tp->fackets_out - tp->reordering, 0);
 		NET_INC_STATS_BH(LINUX_MIB_TCPLOSS);
 	}
 
@@ -2581,7 +2580,7 @@ tcp_fastretrans_alert(struct sock *sk, int pkts_acked, int flag)
 			do_lost = tcp_try_undo_partial(sk, pkts_acked);
 		break;
 	case TCP_CA_Loss:
-		if (flag&FLAG_DATA_ACKED)
+		if (flag & FLAG_DATA_ACKED)
 			icsk->icsk_retransmits = 0;
 		if (!tcp_try_undo_loss(sk)) {
 			tcp_moderate_cwnd(tp);
@@ -2631,7 +2630,7 @@ tcp_fastretrans_alert(struct sock *sk, int pkts_acked, int flag)
 		tp->undo_retrans = tp->retrans_out;
 
 		if (icsk->icsk_ca_state < TCP_CA_CWR) {
-			if (!(flag&FLAG_ECE))
+			if (!(flag & FLAG_ECE))
 				tp->prior_ssthresh = tcp_current_ssthresh(sk);
 			tp->snd_ssthresh = icsk->icsk_ca_ops->ssthresh(sk);
 			TCP_ECN_queue_cwr(tp);
@@ -2725,7 +2724,8 @@ static void tcp_rearm_rto(struct sock *sk)
 	if (!tp->packets_out) {
 		inet_csk_clear_xmit_timer(sk, ICSK_TIME_RETRANS);
 	} else {
-		inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, inet_csk(sk)->icsk_rto, TCP_RTO_MAX);
+		inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS,
+					  inet_csk(sk)->icsk_rto, TCP_RTO_MAX);
 	}
 }
 
@@ -2803,8 +2803,7 @@ static int tcp_clean_rtx_queue(struct sock *sk, int prior_fackets)
 			flag |= FLAG_RETRANS_DATA_ACKED;
 			ca_seq_rtt = -1;
 			seq_rtt = -1;
-			if ((flag & FLAG_DATA_ACKED) ||
-			    (acked_pcount > 1))
+			if ((flag & FLAG_DATA_ACKED) || (acked_pcount > 1))
 				flag |= FLAG_NONHEAD_RETRANS_ACKED;
 		} else {
 			ca_seq_rtt = now - scb->when;
@@ -2950,8 +2949,9 @@ static inline int tcp_may_raise_cwnd(const struct sock *sk, const int flag)
 /* Check that window update is acceptable.
  * The function assumes that snd_una<=ack<=snd_next.
  */
-static inline int tcp_may_update_window(const struct tcp_sock *tp, const u32 ack,
-					const u32 ack_seq, const u32 nwin)
+static inline int tcp_may_update_window(const struct tcp_sock *tp,
+					const u32 ack, const u32 ack_seq,
+					const u32 nwin)
 {
 	return (after(ack, tp->snd_una) ||
 		after(ack_seq, tp->snd_wl1) ||
@@ -3020,7 +3020,7 @@ static void tcp_ratehalving_spur_to_response(struct sock *sk)
 
 static void tcp_undo_spur_to_response(struct sock *sk, int flag)
 {
-	if (flag&FLAG_ECE)
+	if (flag & FLAG_ECE)
 		tcp_ratehalving_spur_to_response(sk);
 	else
 		tcp_undo_cwr(sk, 1);
@@ -3063,7 +3063,7 @@ static int tcp_process_frto(struct sock *sk, int flag)
 	tcp_verify_left_out(tp);
 
 	/* Duplicate the behavior from Loss state (fastretrans_alert) */
-	if (flag&FLAG_DATA_ACKED)
+	if (flag & FLAG_DATA_ACKED)
 		inet_csk(sk)->icsk_retransmits = 0;
 
 	if ((flag & FLAG_NONHEAD_RETRANS_ACKED) ||
@@ -3080,16 +3080,16 @@ static int tcp_process_frto(struct sock *sk, int flag)
 		 * ACK isn't duplicate nor advances window, e.g., opposite dir
 		 * data, winupdate
 		 */
-		if (!(flag&FLAG_ANY_PROGRESS) && (flag&FLAG_NOT_DUP))
+		if (!(flag & FLAG_ANY_PROGRESS) && (flag & FLAG_NOT_DUP))
 			return 1;
 
-		if (!(flag&FLAG_DATA_ACKED)) {
+		if (!(flag & FLAG_DATA_ACKED)) {
 			tcp_enter_frto_loss(sk, (tp->frto_counter == 1 ? 0 : 3),
 					    flag);
 			return 1;
 		}
 	} else {
-		if (!(flag&FLAG_DATA_ACKED) && (tp->frto_counter == 1)) {
+		if (!(flag & FLAG_DATA_ACKED) && (tp->frto_counter == 1)) {
 			/* Prevent sending of new data. */
 			tp->snd_cwnd = min(tp->snd_cwnd,
 					   tcp_packets_in_flight(tp));
@@ -3097,10 +3097,12 @@ static int tcp_process_frto(struct sock *sk, int flag)
 		}
 
 		if ((tp->frto_counter >= 2) &&
-		    (!(flag&FLAG_FORWARD_PROGRESS) ||
-		     ((flag&FLAG_DATA_SACKED) && !(flag&FLAG_ONLY_ORIG_SACKED)))) {
+		    (!(flag & FLAG_FORWARD_PROGRESS) ||
+		     ((flag & FLAG_DATA_SACKED) &&
+		      !(flag & FLAG_ONLY_ORIG_SACKED)))) {
 			/* RFC4138 shortcoming (see comment above) */
-			if (!(flag&FLAG_FORWARD_PROGRESS) && (flag&FLAG_NOT_DUP))
+			if (!(flag & FLAG_FORWARD_PROGRESS) &&
+			    (flag & FLAG_NOT_DUP))
 				return 1;
 
 			tcp_enter_frto_loss(sk, 3, flag);
@@ -3166,13 +3168,14 @@ static int tcp_ack(struct sock *sk, struct sk_buff *skb, int flag)
 			tp->bytes_acked += ack - prior_snd_una;
 		else if (icsk->icsk_ca_state == TCP_CA_Loss)
 			/* we assume just one segment left network */
-			tp->bytes_acked += min(ack - prior_snd_una, tp->mss_cache);
+			tp->bytes_acked += min(ack - prior_snd_una,
+					       tp->mss_cache);
 	}
 
 	prior_fackets = tp->fackets_out;
 	prior_in_flight = tcp_packets_in_flight(tp);
 
-	if (!(flag&FLAG_SLOWPATH) && after(ack, prior_snd_una)) {
+	if (!(flag & FLAG_SLOWPATH) && after(ack, prior_snd_una)) {
 		/* Window is constant, pure forward advance.
 		 * No more checks are required.
 		 * Note, we use the fact that SND.UNA>=SND.WL2.
@@ -3224,13 +3227,14 @@ static int tcp_ack(struct sock *sk, struct sk_buff *skb, int flag)
 		if ((flag & FLAG_DATA_ACKED) && !frto_cwnd &&
 		    tcp_may_raise_cwnd(sk, flag))
 			tcp_cong_avoid(sk, ack, prior_in_flight);
-		tcp_fastretrans_alert(sk, prior_packets - tp->packets_out, flag);
+		tcp_fastretrans_alert(sk, prior_packets - tp->packets_out,
+				      flag);
 	} else {
 		if ((flag & FLAG_DATA_ACKED) && !frto_cwnd)
 			tcp_cong_avoid(sk, ack, prior_in_flight);
 	}
 
-	if ((flag & FLAG_FORWARD_PROGRESS) || !(flag&FLAG_NOT_DUP))
+	if ((flag & FLAG_FORWARD_PROGRESS) || !(flag & FLAG_NOT_DUP))
 		dst_confirm(sk->sk_dst_cache);
 
 	return 1;
@@ -3255,22 +3259,22 @@ uninteresting_ack:
 	return 0;
 }
 
-
 /* Look for tcp options. Normally only called on SYN and SYNACK packets.
  * But, this can also be called on packets in the established flow when
  * the fast version below fails.
  */
-void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx, int estab)
+void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
+		       int estab)
 {
 	unsigned char *ptr;
 	struct tcphdr *th = tcp_hdr(skb);
-	int length=(th->doff*4)-sizeof(struct tcphdr);
+	int length = (th->doff * 4) - sizeof(struct tcphdr);
 
 	ptr = (unsigned char *)(th + 1);
 	opt_rx->saw_tstamp = 0;
 
 	while (length > 0) {
-		int opcode=*ptr++;
+		int opcode = *ptr++;
 		int opsize;
 
 		switch (opcode) {
@@ -3359,7 +3363,7 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
 static int tcp_fast_parse_options(struct sk_buff *skb, struct tcphdr *th,
 				  struct tcp_sock *tp)
 {
-	if (th->doff == sizeof(struct tcphdr)>>2) {
+	if (th->doff == sizeof(struct tcphdr) >> 2) {
 		tp->rx_opt.saw_tstamp = 0;
 		return 0;
 	} else if (tp->rx_opt.tstamp_ok &&
@@ -3444,7 +3448,8 @@ static int tcp_disordered_ack(const struct sock *sk, const struct sk_buff *skb)
 		(s32)(tp->rx_opt.ts_recent - tp->rx_opt.rcv_tsval) <= (inet_csk(sk)->icsk_rto * 1024) / HZ);
 }
 
-static inline int tcp_paws_discard(const struct sock *sk, const struct sk_buff *skb)
+static inline int tcp_paws_discard(const struct sock *sk,
+				   const struct sk_buff *skb)
 {
 	const struct tcp_sock *tp = tcp_sk(sk);
 	return ((s32)(tp->rx_opt.ts_recent - tp->rx_opt.rcv_tsval) > TCP_PAWS_WINDOW &&
@@ -3476,16 +3481,16 @@ static void tcp_reset(struct sock *sk)
 {
 	/* We want the right error as BSD sees it (and indeed as we do). */
 	switch (sk->sk_state) {
-		case TCP_SYN_SENT:
-			sk->sk_err = ECONNREFUSED;
-			break;
-		case TCP_CLOSE_WAIT:
-			sk->sk_err = EPIPE;
-			break;
-		case TCP_CLOSE:
-			return;
-		default:
-			sk->sk_err = ECONNRESET;
+	case TCP_SYN_SENT:
+		sk->sk_err = ECONNREFUSED;
+		break;
+	case TCP_CLOSE_WAIT:
+		sk->sk_err = EPIPE;
+		break;
+	case TCP_CLOSE:
+		return;
+	default:
+		sk->sk_err = ECONNRESET;
 	}
 
 	if (!sock_flag(sk, SOCK_DEAD))
@@ -3518,43 +3523,43 @@ static void tcp_fin(struct sk_buff *skb, struct sock *sk, struct tcphdr *th)
 	sock_set_flag(sk, SOCK_DONE);
 
 	switch (sk->sk_state) {
-		case TCP_SYN_RECV:
-		case TCP_ESTABLISHED:
-			/* Move to CLOSE_WAIT */
-			tcp_set_state(sk, TCP_CLOSE_WAIT);
-			inet_csk(sk)->icsk_ack.pingpong = 1;
-			break;
+	case TCP_SYN_RECV:
+	case TCP_ESTABLISHED:
+		/* Move to CLOSE_WAIT */
+		tcp_set_state(sk, TCP_CLOSE_WAIT);
+		inet_csk(sk)->icsk_ack.pingpong = 1;
+		break;
 
-		case TCP_CLOSE_WAIT:
-		case TCP_CLOSING:
-			/* Received a retransmission of the FIN, do
-			 * nothing.
-			 */
-			break;
-		case TCP_LAST_ACK:
-			/* RFC793: Remain in the LAST-ACK state. */
-			break;
+	case TCP_CLOSE_WAIT:
+	case TCP_CLOSING:
+		/* Received a retransmission of the FIN, do
+		 * nothing.
+		 */
+		break;
+	case TCP_LAST_ACK:
+		/* RFC793: Remain in the LAST-ACK state. */
+		break;
 
-		case TCP_FIN_WAIT1:
-			/* This case occurs when a simultaneous close
-			 * happens, we must ack the received FIN and
-			 * enter the CLOSING state.
-			 */
-			tcp_send_ack(sk);
-			tcp_set_state(sk, TCP_CLOSING);
-			break;
-		case TCP_FIN_WAIT2:
-			/* Received a FIN -- send ACK and enter TIME_WAIT. */
-			tcp_send_ack(sk);
-			tcp_time_wait(sk, TCP_TIME_WAIT, 0);
-			break;
-		default:
-			/* Only TCP_LISTEN and TCP_CLOSE are left, in these
-			 * cases we should never reach this piece of code.
-			 */
-			printk(KERN_ERR "%s: Impossible, sk->sk_state=%d\n",
-			       __FUNCTION__, sk->sk_state);
-			break;
+	case TCP_FIN_WAIT1:
+		/* This case occurs when a simultaneous close
+		 * happens, we must ack the received FIN and
+		 * enter the CLOSING state.
+		 */
+		tcp_send_ack(sk);
+		tcp_set_state(sk, TCP_CLOSING);
+		break;
+	case TCP_FIN_WAIT2:
+		/* Received a FIN -- send ACK and enter TIME_WAIT. */
+		tcp_send_ack(sk);
+		tcp_time_wait(sk, TCP_TIME_WAIT, 0);
+		break;
+	default:
+		/* Only TCP_LISTEN and TCP_CLOSE are left, in these
+		 * cases we should never reach this piece of code.
+		 */
+		printk(KERN_ERR "%s: Impossible, sk->sk_state=%d\n",
+		       __FUNCTION__, sk->sk_state);
+		break;
 	}
 
 	/* It _is_ possible, that we have something out-of-order _after_ FIN.
@@ -3577,7 +3582,8 @@ static void tcp_fin(struct sk_buff *skb, struct sock *sk, struct tcphdr *th)
 	}
 }
 
-static inline int tcp_sack_extend(struct tcp_sack_block *sp, u32 seq, u32 end_seq)
+static inline int tcp_sack_extend(struct tcp_sack_block *sp, u32 seq,
+				  u32 end_seq)
 {
 	if (!after(seq, sp->end_seq) && !after(sp->start_seq, end_seq)) {
 		if (before(seq, sp->start_seq))
@@ -3600,7 +3606,8 @@ static void tcp_dsack_set(struct tcp_sock *tp, u32 seq, u32 end_seq)
 		tp->rx_opt.dsack = 1;
 		tp->duplicate_sack[0].start_seq = seq;
 		tp->duplicate_sack[0].end_seq = end_seq;
-		tp->rx_opt.eff_sacks = min(tp->rx_opt.num_sacks + 1, 4 - tp->rx_opt.tstamp_ok);
+		tp->rx_opt.eff_sacks = min(tp->rx_opt.num_sacks + 1,
+					   4 - tp->rx_opt.tstamp_ok);
 	}
 }
 
@@ -3640,12 +3647,12 @@ static void tcp_sack_maybe_coalesce(struct tcp_sock *tp)
 {
 	int this_sack;
 	struct tcp_sack_block *sp = &tp->selective_acks[0];
-	struct tcp_sack_block *swalk = sp+1;
+	struct tcp_sack_block *swalk = sp + 1;
 
 	/* See if the recent change to the first SACK eats into
 	 * or hits the sequence space of other SACK blocks, if so coalesce.
 	 */
-	for (this_sack = 1; this_sack < tp->rx_opt.num_sacks; ) {
+	for (this_sack = 1; this_sack < tp->rx_opt.num_sacks;) {
 		if (tcp_sack_extend(sp, swalk->start_seq, swalk->end_seq)) {
 			int i;
 
@@ -3653,16 +3660,19 @@ static void tcp_sack_maybe_coalesce(struct tcp_sock *tp)
 			 * Decrease num_sacks.
 			 */
 			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++)
-				sp[i] = sp[i+1];
+			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++)
+				sp[i] = sp[i + 1];
 			continue;
 		}
 		this_sack++, swalk++;
 	}
 }
 
-static inline void tcp_sack_swap(struct tcp_sack_block *sack1, struct tcp_sack_block *sack2)
+static inline void tcp_sack_swap(struct tcp_sack_block *sack1,
+				 struct tcp_sack_block *sack2)
 {
 	__u32 tmp;
 
@@ -3685,11 +3695,11 @@ static void tcp_sack_new_ofo_skb(struct sock *sk, u32 seq, u32 end_seq)
 	if (!cur_sacks)
 		goto new_sack;
 
-	for (this_sack=0; this_sack<cur_sacks; this_sack++, sp++) {
+	for (this_sack = 0; this_sack < cur_sacks; this_sack++, sp++) {
 		if (tcp_sack_extend(sp, seq, end_seq)) {
 			/* Rotate this_sack to the first one. */
-			for (; this_sack>0; this_sack--, sp--)
-				tcp_sack_swap(sp, sp-1);
+			for (; this_sack > 0; this_sack--, sp--)
+				tcp_sack_swap(sp, sp - 1);
 			if (cur_sacks > 1)
 				tcp_sack_maybe_coalesce(tp);
 			return;
@@ -3708,14 +3718,15 @@ static void tcp_sack_new_ofo_skb(struct sock *sk, u32 seq, u32 end_seq)
 		sp--;
 	}
 	for (; this_sack > 0; this_sack--, sp--)
-		*sp = *(sp-1);
+		*sp = *(sp - 1);
 
 new_sack:
 	/* Build the new head SACK, and we're done. */
 	sp->start_seq = seq;
 	sp->end_seq = end_seq;
 	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);
+	tp->rx_opt.eff_sacks = min(tp->rx_opt.num_sacks + tp->rx_opt.dsack,
+				   4 - tp->rx_opt.tstamp_ok);
 }
 
 /* RCV.NXT advances, some SACKs should be eaten. */
@@ -3733,7 +3744,7 @@ 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;
@@ -3752,7 +3763,9 @@ static void tcp_sack_remove(struct tcp_sock *tp)
 	}
 	if (num_sacks != tp->rx_opt.num_sacks) {
 		tp->rx_opt.num_sacks = num_sacks;
-		tp->rx_opt.eff_sacks = min(tp->rx_opt.num_sacks + tp->rx_opt.dsack, 4 - tp->rx_opt.tstamp_ok);
+		tp->rx_opt.eff_sacks = min(tp->rx_opt.num_sacks +
+					   tp->rx_opt.dsack,
+					   4 - tp->rx_opt.tstamp_ok);
 	}
 }
 
@@ -3805,14 +3818,14 @@ static void tcp_data_queue(struct sock *sk, struct sk_buff *skb)
 	if (TCP_SKB_CB(skb)->seq == TCP_SKB_CB(skb)->end_seq)
 		goto drop;
 
-	__skb_pull(skb, th->doff*4);
+	__skb_pull(skb, th->doff * 4);
 
 	TCP_ECN_accept_cwr(tp, skb);
 
 	if (tp->rx_opt.dsack) {
 		tp->rx_opt.dsack = 0;
 		tp->rx_opt.eff_sacks = min_t(unsigned int, tp->rx_opt.num_sacks,
-						    4 - tp->rx_opt.tstamp_ok);
+					     4 - tp->rx_opt.tstamp_ok);
 	}
 
 	/*  Queue data for delivery to the user.
@@ -3828,7 +3841,7 @@ static void tcp_data_queue(struct sock *sk, struct sk_buff *skb)
 		    tp->copied_seq == tp->rcv_nxt && tp->ucopy.len &&
 		    sock_owned_by_user(sk) && !tp->urg_data) {
 			int chunk = min_t(unsigned int, skb->len,
-							tp->ucopy.len);
+					  tp->ucopy.len);
 
 			__set_current_state(TASK_RUNNING);
 
@@ -3945,7 +3958,7 @@ drop:
 			tp->selective_acks[0].end_seq =
 						TCP_SKB_CB(skb)->end_seq;
 		}
-		__skb_queue_head(&tp->out_of_order_queue,skb);
+		__skb_queue_head(&tp->out_of_order_queue, skb);
 	} else {
 		struct sk_buff *skb1 = tp->out_of_order_queue.prev;
 		u32 seq = TCP_SKB_CB(skb)->seq;
@@ -3968,10 +3981,10 @@ drop:
 			if (!after(TCP_SKB_CB(skb1)->seq, seq))
 				break;
 		} while ((skb1 = skb1->prev) !=
-			 (struct sk_buff*)&tp->out_of_order_queue);
+			 (struct sk_buff *)&tp->out_of_order_queue);
 
 		/* Do skb overlap to previous one? */
-		if (skb1 != (struct sk_buff*)&tp->out_of_order_queue &&
+		if (skb1 != (struct sk_buff *)&tp->out_of_order_queue &&
 		    before(seq, TCP_SKB_CB(skb1)->end_seq)) {
 			if (!after(end_seq, TCP_SKB_CB(skb1)->end_seq)) {
 				/* All the bits are present. Drop. */
@@ -3981,7 +3994,8 @@ drop:
 			}
 			if (after(seq, TCP_SKB_CB(skb1)->seq)) {
 				/* Partial overlap. */
-				tcp_dsack_set(tp, seq, TCP_SKB_CB(skb1)->end_seq);
+				tcp_dsack_set(tp, seq,
+					      TCP_SKB_CB(skb1)->end_seq);
 			} else {
 				skb1 = skb1->prev;
 			}
@@ -3990,15 +4004,17 @@ drop:
 
 		/* And clean segments covered by new one as whole. */
 		while ((skb1 = skb->next) !=
-		       (struct sk_buff*)&tp->out_of_order_queue &&
+		       (struct sk_buff *)&tp->out_of_order_queue &&
 		       after(end_seq, TCP_SKB_CB(skb1)->seq)) {
-		       if (before(end_seq, TCP_SKB_CB(skb1)->end_seq)) {
-			       tcp_dsack_extend(tp, TCP_SKB_CB(skb1)->seq, end_seq);
-			       break;
-		       }
-		       __skb_unlink(skb1, &tp->out_of_order_queue);
-		       tcp_dsack_extend(tp, TCP_SKB_CB(skb1)->seq, TCP_SKB_CB(skb1)->end_seq);
-		       __kfree_skb(skb1);
+			if (before(end_seq, TCP_SKB_CB(skb1)->end_seq)) {
+				tcp_dsack_extend(tp, TCP_SKB_CB(skb1)->seq,
+						 end_seq);
+				break;
+			}
+			__skb_unlink(skb1, &tp->out_of_order_queue);
+			tcp_dsack_extend(tp, TCP_SKB_CB(skb1)->seq,
+					 TCP_SKB_CB(skb1)->end_seq);
+			__kfree_skb(skb1);
 		}
 
 add_sack:
@@ -4021,7 +4037,7 @@ tcp_collapse(struct sock *sk, struct sk_buff_head *list,
 
 	/* First, check that queue is collapsible and find
 	 * the point where collapsing can be useful. */
-	for (skb = head; skb != tail; ) {
+	for (skb = head; skb != tail;) {
 		/* No new bits? It is possible on ofo queue. */
 		if (!before(start, TCP_SKB_CB(skb)->end_seq)) {
 			struct sk_buff *next = skb->next;
@@ -4059,9 +4075,9 @@ tcp_collapse(struct sock *sk, struct sk_buff_head *list,
 		/* Too big header? This can happen with IPv6. */
 		if (copy < 0)
 			return;
-		if (end-start < copy)
-			copy = end-start;
-		nskb = alloc_skb(copy+header, GFP_ATOMIC);
+		if (end - start < copy)
+			copy = end - start;
+		nskb = alloc_skb(copy + header, GFP_ATOMIC);
 		if (!nskb)
 			return;
 
@@ -4171,7 +4187,7 @@ static int tcp_prune_queue(struct sock *sk)
 	tcp_collapse_ofo_queue(sk);
 	tcp_collapse(sk, &sk->sk_receive_queue,
 		     sk->sk_receive_queue.next,
-		     (struct sk_buff*)&sk->sk_receive_queue,
+		     (struct sk_buff *)&sk->sk_receive_queue,
 		     tp->copied_seq, tp->rcv_nxt);
 	sk_mem_reclaim(sk);
 
@@ -4210,7 +4226,6 @@ static int tcp_prune_queue(struct sock *sk)
 	return -1;
 }
 
-
 /* RFC2861, slow part. Adjust cwnd, after it was not full during one rto.
  * As additional protections, we do not touch cwnd in retransmission phases,
  * and if application hit its sndbuf limit recently.
@@ -4272,8 +4287,8 @@ static void tcp_new_space(struct sock *sk)
 		int sndmem = max_t(u32, tp->rx_opt.mss_clamp, tp->mss_cache) +
 			MAX_TCP_HEADER + 16 + sizeof(struct sk_buff),
 		    demanded = max_t(unsigned int, tp->snd_cwnd,
-						   tp->reordering + 1);
-		sndmem *= 2*demanded;
+				     tp->reordering + 1);
+		sndmem *= 2 * demanded;
 		if (sndmem > sk->sk_sndbuf)
 			sk->sk_sndbuf = min(sndmem, sysctl_tcp_wmem[2]);
 		tp->snd_cwnd_stamp = tcp_time_stamp;
@@ -4314,8 +4329,7 @@ static void __tcp_ack_snd_check(struct sock *sk, int ofo_possible)
 	    /* We ACK each frame or... */
 	    tcp_in_quickack_mode(sk) ||
 	    /* We have out of order data. */
-	    (ofo_possible &&
-	     skb_peek(&tp->out_of_order_queue))) {
+	    (ofo_possible && skb_peek(&tp->out_of_order_queue))) {
 		/* Then ack it now */
 		tcp_send_ack(sk);
 	} else {
@@ -4343,7 +4357,7 @@ static inline void tcp_ack_snd_check(struct sock *sk)
  *	either form (or just set the sysctl tcp_stdurg).
  */
 
-static void tcp_check_urg(struct sock * sk, struct tcphdr * th)
+static void tcp_check_urg(struct sock *sk, struct tcphdr *th)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	u32 ptr = ntohs(th->urg_ptr);
@@ -4392,8 +4406,7 @@ static void tcp_check_urg(struct sock * sk, struct tcphdr * th)
 	 * buggy users.
 	 */
 	if (tp->urg_seq == tp->copied_seq && tp->urg_data &&
-	    !sock_flag(sk, SOCK_URGINLINE) &&
-	    tp->copied_seq != tp->rcv_nxt) {
+	    !sock_flag(sk, SOCK_URGINLINE) && tp->copied_seq != tp->rcv_nxt) {
 		struct sk_buff *skb = skb_peek(&sk->sk_receive_queue);
 		tp->copied_seq++;
 		if (skb && !before(tp->copied_seq, TCP_SKB_CB(skb)->end_seq)) {
@@ -4402,8 +4415,8 @@ static void tcp_check_urg(struct sock * sk, struct tcphdr * th)
 		}
 	}
 
-	tp->urg_data   = TCP_URG_NOTYET;
-	tp->urg_seq    = ptr;
+	tp->urg_data = TCP_URG_NOTYET;
+	tp->urg_seq = ptr;
 
 	/* Disable header prediction. */
 	tp->pred_flags = 0;
@@ -4416,7 +4429,7 @@ static void tcp_urg(struct sock *sk, struct sk_buff *skb, struct tcphdr *th)
 
 	/* Check if we get a new urgent pointer - normally not. */
 	if (th->urg)
-		tcp_check_urg(sk,th);
+		tcp_check_urg(sk, th);
 
 	/* Do we wait for any urgent data? - normally not... */
 	if (tp->urg_data == TCP_URG_NOTYET) {
@@ -4458,7 +4471,8 @@ static int tcp_copy_to_iovec(struct sock *sk, struct sk_buff *skb, int hlen)
 	return err;
 }
 
-static __sum16 __tcp_checksum_complete_user(struct sock *sk, struct sk_buff *skb)
+static __sum16 __tcp_checksum_complete_user(struct sock *sk,
+					    struct sk_buff *skb)
 {
 	__sum16 result;
 
@@ -4472,14 +4486,16 @@ static __sum16 __tcp_checksum_complete_user(struct sock *sk, struct sk_buff *skb
 	return result;
 }
 
-static inline int tcp_checksum_complete_user(struct sock *sk, struct sk_buff *skb)
+static inline int tcp_checksum_complete_user(struct sock *sk,
+					     struct sk_buff *skb)
 {
 	return !skb_csum_unnecessary(skb) &&
-		__tcp_checksum_complete_user(sk, skb);
+	       __tcp_checksum_complete_user(sk, skb);
 }
 
 #ifdef CONFIG_NET_DMA
-static int tcp_dma_try_early_copy(struct sock *sk, struct sk_buff *skb, int hlen)
+static int tcp_dma_try_early_copy(struct sock *sk, struct sk_buff *skb,
+				  int hlen)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	int chunk = skb->len - hlen;
@@ -4495,7 +4511,9 @@ static int tcp_dma_try_early_copy(struct sock *sk, struct sk_buff *skb, int hlen
 	if (tp->ucopy.dma_chan && skb_csum_unnecessary(skb)) {
 
 		dma_cookie = dma_skb_copy_datagram_iovec(tp->ucopy.dma_chan,
-			skb, hlen, tp->ucopy.iov, chunk, tp->ucopy.pinned_list);
+							 skb, hlen,
+							 tp->ucopy.iov, chunk,
+							 tp->ucopy.pinned_list);
 
 		if (dma_cookie < 0)
 			goto out;
@@ -4577,7 +4595,7 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
 	 */
 
 	if ((tcp_flag_word(th) & TCP_HP_BITS) == tp->pred_flags &&
-		TCP_SKB_CB(skb)->seq == tp->rcv_nxt) {
+	    TCP_SKB_CB(skb)->seq == tp->rcv_nxt) {
 		int tcp_header_len = tp->tcp_header_len;
 
 		/* Timestamp header prediction: tcp_header_len
@@ -4646,7 +4664,8 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
 					eaten = 1;
 				}
 #endif
-				if (tp->ucopy.task == current && sock_owned_by_user(sk) && !copied_early) {
+				if (tp->ucopy.task == current &&
+				    sock_owned_by_user(sk) && !copied_early) {
 					__set_current_state(TASK_RUNNING);
 
 					if (!tcp_copy_to_iovec(sk, skb, tcp_header_len))
@@ -4693,7 +4712,7 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
 				NET_INC_STATS_BH(LINUX_MIB_TCPHPHITS);
 
 				/* Bulk data transfer: receiver */
-				__skb_pull(skb,tcp_header_len);
+				__skb_pull(skb, tcp_header_len);
 				__skb_queue_tail(&sk->sk_receive_queue, skb);
 				skb_set_owner_r(skb, sk);
 				tp->rcv_nxt = TCP_SKB_CB(skb)->end_seq;
@@ -4725,7 +4744,7 @@ no_ack:
 	}
 
 slow_path:
-	if (len < (th->doff<<2) || tcp_checksum_complete_user(sk, skb))
+	if (len < (th->doff << 2) || tcp_checksum_complete_user(sk, skb))
 		goto csum_error;
 
 	/*
@@ -4975,7 +4994,8 @@ discard:
 	}
 
 	/* PAWS check. */
-	if (tp->rx_opt.ts_recent_stamp && tp->rx_opt.saw_tstamp && tcp_paws_check(&tp->rx_opt, 0))
+	if (tp->rx_opt.ts_recent_stamp && tp->rx_opt.saw_tstamp &&
+	    tcp_paws_check(&tp->rx_opt, 0))
 		goto discard_and_undo;
 
 	if (th->syn) {
@@ -5010,7 +5030,6 @@ discard:
 		tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);
 		tcp_initialize_rcv_mss(sk);
 
-
 		tcp_send_synack(sk);
 #if 0
 		/* Note, we could accept data and URG from this segment.
@@ -5042,7 +5061,6 @@ reset_and_undo:
 	return 1;
 }
 
-
 /*
  *	This function implements the receiving procedure of RFC 793 for
  *	all states except ESTABLISHED and TIME_WAIT.
@@ -5164,7 +5182,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
 				 */
 				if (sk->sk_socket)
 					sk_wake_async(sk,
-							SOCK_WAKE_IO, POLL_OUT);
+						      SOCK_WAKE_IO, POLL_OUT);
 
 				tp->snd_una = TCP_SKB_CB(skb)->ack_seq;
 				tp->snd_wnd = ntohs(th->window) <<
@@ -5176,8 +5194,8 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
 				 * and does not calculate rtt.
 				 * Fix it at least with timestamps.
 				 */
-				if (tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr &&
-				    !tp->srtt)
+				if (tp->rx_opt.saw_tstamp &&
+				    tp->rx_opt.rcv_tsecr && !tp->srtt)
 					tcp_ack_saw_tstamp(sk, 0);
 
 				if (tp->rx_opt.tstamp_ok)