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-rw-r--r--include/net/tcp.h46
1 files changed, 8 insertions, 38 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 6663086a5e35..a2e323c54457 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1686,71 +1686,41 @@ static inline int tcp_full_space(const struct sock *sk)
1686static inline void tcp_acceptq_queue(struct sock *sk, struct request_sock *req, 1686static inline void tcp_acceptq_queue(struct sock *sk, struct request_sock *req,
1687 struct sock *child) 1687 struct sock *child)
1688{ 1688{
1689 struct tcp_sock *tp = tcp_sk(sk); 1689 reqsk_queue_add(&tcp_sk(sk)->accept_queue, req, sk, child);
1690
1691 req->sk = child;
1692 sk_acceptq_added(sk);
1693
1694 if (!tp->accept_queue_tail) {
1695 tp->accept_queue = req;
1696 } else {
1697 tp->accept_queue_tail->dl_next = req;
1698 }
1699 tp->accept_queue_tail = req;
1700 req->dl_next = NULL;
1701} 1690}
1702 1691
1703struct tcp_listen_opt
1704{
1705 u8 max_qlen_log; /* log_2 of maximal queued SYNs */
1706 int qlen;
1707 int qlen_young;
1708 int clock_hand;
1709 u32 hash_rnd;
1710 struct request_sock *syn_table[TCP_SYNQ_HSIZE];
1711};
1712
1713static inline void 1692static inline void
1714tcp_synq_removed(struct sock *sk, struct request_sock *req) 1693tcp_synq_removed(struct sock *sk, struct request_sock *req)
1715{ 1694{
1716 struct tcp_listen_opt *lopt = tcp_sk(sk)->listen_opt; 1695 if (reqsk_queue_removed(&tcp_sk(sk)->accept_queue, req) == 0)
1717
1718 if (--lopt->qlen == 0)
1719 tcp_delete_keepalive_timer(sk); 1696 tcp_delete_keepalive_timer(sk);
1720 if (req->retrans == 0)
1721 lopt->qlen_young--;
1722} 1697}
1723 1698
1724static inline void tcp_synq_added(struct sock *sk) 1699static inline void tcp_synq_added(struct sock *sk)
1725{ 1700{
1726 struct tcp_listen_opt *lopt = tcp_sk(sk)->listen_opt; 1701 if (reqsk_queue_added(&tcp_sk(sk)->accept_queue) == 0)
1727
1728 if (lopt->qlen++ == 0)
1729 tcp_reset_keepalive_timer(sk, TCP_TIMEOUT_INIT); 1702 tcp_reset_keepalive_timer(sk, TCP_TIMEOUT_INIT);
1730 lopt->qlen_young++;
1731} 1703}
1732 1704
1733static inline int tcp_synq_len(struct sock *sk) 1705static inline int tcp_synq_len(struct sock *sk)
1734{ 1706{
1735 return tcp_sk(sk)->listen_opt->qlen; 1707 return reqsk_queue_len(&tcp_sk(sk)->accept_queue);
1736} 1708}
1737 1709
1738static inline int tcp_synq_young(struct sock *sk) 1710static inline int tcp_synq_young(struct sock *sk)
1739{ 1711{
1740 return tcp_sk(sk)->listen_opt->qlen_young; 1712 return reqsk_queue_len_young(&tcp_sk(sk)->accept_queue);
1741} 1713}
1742 1714
1743static inline int tcp_synq_is_full(struct sock *sk) 1715static inline int tcp_synq_is_full(struct sock *sk)
1744{ 1716{
1745 return tcp_synq_len(sk) >> tcp_sk(sk)->listen_opt->max_qlen_log; 1717 return reqsk_queue_is_full(&tcp_sk(sk)->accept_queue);
1746} 1718}
1747 1719
1748static inline void tcp_synq_unlink(struct tcp_sock *tp, struct request_sock *req, 1720static inline void tcp_synq_unlink(struct tcp_sock *tp, struct request_sock *req,
1749 struct request_sock **prev) 1721 struct request_sock **prev)
1750{ 1722{
1751 write_lock(&tp->syn_wait_lock); 1723 reqsk_queue_unlink(&tp->accept_queue, req, prev);
1752 *prev = req->dl_next;
1753 write_unlock(&tp->syn_wait_lock);
1754} 1724}
1755 1725
1756static inline void tcp_synq_drop(struct sock *sk, struct request_sock *req, 1726static inline void tcp_synq_drop(struct sock *sk, struct request_sock *req,