tcp: replace tcp_sock argument with sock in some places
These places have a tcp_sock, but we'd prefer the sock itself to get net from it. Fortunately, tcp_sk macro is just a type cast, so this replace is really cheap. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Родитель
ca12a1a443
Коммит
1ed834655a
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@ -1169,10 +1169,11 @@ static void tcp_mark_lost_retrans(struct sock *sk)
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tp->lost_retrans_low = new_low_seq;
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}
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static int tcp_check_dsack(struct tcp_sock *tp, struct sk_buff *ack_skb,
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static int tcp_check_dsack(struct sock *sk, struct sk_buff *ack_skb,
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struct tcp_sack_block_wire *sp, int num_sacks,
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u32 prior_snd_una)
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{
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struct tcp_sock *tp = tcp_sk(sk);
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u32 start_seq_0 = get_unaligned_be32(&sp[0].start_seq);
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u32 end_seq_0 = get_unaligned_be32(&sp[0].end_seq);
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int dup_sack = 0;
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@ -1434,7 +1435,7 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb,
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tcp_highest_sack_reset(sk);
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}
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found_dup_sack = tcp_check_dsack(tp, ack_skb, sp_wire,
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found_dup_sack = tcp_check_dsack(sk, ack_skb, sp_wire,
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num_sacks, prior_snd_una);
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if (found_dup_sack)
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flag |= FLAG_DSACKING_ACK;
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@ -3711,8 +3712,10 @@ static inline int tcp_sack_extend(struct tcp_sack_block *sp, u32 seq,
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return 0;
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}
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static void tcp_dsack_set(struct tcp_sock *tp, u32 seq, u32 end_seq)
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static void tcp_dsack_set(struct sock *sk, u32 seq, u32 end_seq)
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{
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struct tcp_sock *tp = tcp_sk(sk);
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if (tcp_is_sack(tp) && sysctl_tcp_dsack) {
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int mib_idx;
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@ -3731,10 +3734,12 @@ static void tcp_dsack_set(struct tcp_sock *tp, u32 seq, u32 end_seq)
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}
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}
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static void tcp_dsack_extend(struct tcp_sock *tp, u32 seq, u32 end_seq)
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static void tcp_dsack_extend(struct sock *sk, u32 seq, u32 end_seq)
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{
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struct tcp_sock *tp = tcp_sk(sk);
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if (!tp->rx_opt.dsack)
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tcp_dsack_set(tp, seq, end_seq);
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tcp_dsack_set(sk, seq, end_seq);
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else
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tcp_sack_extend(tp->duplicate_sack, seq, end_seq);
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}
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@ -3753,7 +3758,7 @@ static void tcp_send_dupack(struct sock *sk, struct sk_buff *skb)
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if (after(TCP_SKB_CB(skb)->end_seq, tp->rcv_nxt))
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end_seq = tp->rcv_nxt;
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tcp_dsack_set(tp, TCP_SKB_CB(skb)->seq, end_seq);
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tcp_dsack_set(sk, TCP_SKB_CB(skb)->seq, end_seq);
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}
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}
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@ -3906,7 +3911,7 @@ static void tcp_ofo_queue(struct sock *sk)
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__u32 dsack = dsack_high;
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if (before(TCP_SKB_CB(skb)->end_seq, dsack_high))
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dsack_high = TCP_SKB_CB(skb)->end_seq;
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tcp_dsack_extend(tp, TCP_SKB_CB(skb)->seq, dsack);
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tcp_dsack_extend(sk, TCP_SKB_CB(skb)->seq, dsack);
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}
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if (!after(TCP_SKB_CB(skb)->end_seq, tp->rcv_nxt)) {
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@ -4035,7 +4040,7 @@ queue_and_out:
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if (!after(TCP_SKB_CB(skb)->end_seq, tp->rcv_nxt)) {
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/* A retransmit, 2nd most common case. Force an immediate ack. */
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NET_INC_STATS_BH(LINUX_MIB_DELAYEDACKLOST);
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tcp_dsack_set(tp, TCP_SKB_CB(skb)->seq, TCP_SKB_CB(skb)->end_seq);
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tcp_dsack_set(sk, TCP_SKB_CB(skb)->seq, TCP_SKB_CB(skb)->end_seq);
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out_of_window:
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tcp_enter_quickack_mode(sk);
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@ -4057,7 +4062,7 @@ drop:
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tp->rcv_nxt, TCP_SKB_CB(skb)->seq,
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TCP_SKB_CB(skb)->end_seq);
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tcp_dsack_set(tp, TCP_SKB_CB(skb)->seq, tp->rcv_nxt);
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tcp_dsack_set(sk, TCP_SKB_CB(skb)->seq, tp->rcv_nxt);
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/* If window is closed, drop tail of packet. But after
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* remembering D-SACK for its head made in previous line.
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@ -4122,12 +4127,12 @@ drop:
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if (!after(end_seq, TCP_SKB_CB(skb1)->end_seq)) {
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/* All the bits are present. Drop. */
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__kfree_skb(skb);
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tcp_dsack_set(tp, seq, end_seq);
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tcp_dsack_set(sk, seq, end_seq);
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goto add_sack;
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}
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if (after(seq, TCP_SKB_CB(skb1)->seq)) {
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/* Partial overlap. */
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tcp_dsack_set(tp, seq,
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tcp_dsack_set(sk, seq,
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TCP_SKB_CB(skb1)->end_seq);
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} else {
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skb1 = skb1->prev;
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@ -4140,12 +4145,12 @@ drop:
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(struct sk_buff *)&tp->out_of_order_queue &&
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after(end_seq, TCP_SKB_CB(skb1)->seq)) {
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if (before(end_seq, TCP_SKB_CB(skb1)->end_seq)) {
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tcp_dsack_extend(tp, TCP_SKB_CB(skb1)->seq,
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tcp_dsack_extend(sk, TCP_SKB_CB(skb1)->seq,
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end_seq);
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break;
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}
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__skb_unlink(skb1, &tp->out_of_order_queue);
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tcp_dsack_extend(tp, TCP_SKB_CB(skb1)->seq,
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tcp_dsack_extend(sk, TCP_SKB_CB(skb1)->seq,
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TCP_SKB_CB(skb1)->end_seq);
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__kfree_skb(skb1);
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}
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