diff options
| author |   Maxim Galaganov <max@internet.ru> | 2021-12-03 14:35:39 -0800 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2021-12-07 11:36:30 -0800 |
| commit | 6fadaa565882cd7afc501de5921db6f5e45c784b (patch) | |
| tree | 429d70160947c4d2e6a6200ccbcbcc5e30cc4cc4 | |
| parent | selftests: mptcp: check IP_TOS in/out are the same (diff) | |
| download | linux-dev-6fadaa565882cd7afc501de5921db6f5e45c784b.tar.xz linux-dev-6fadaa565882cd7afc501de5921db6f5e45c784b.zip | |
tcp: expose __tcp_sock_set_cork and __tcp_sock_set_nodelay
Expose __tcp_sock_set_cork() and __tcp_sock_set_nodelay() for use in
MPTCP setsockopt code -- namely for syncing MPTCP socket options with
subflows inside sync_socket_options() while already holding the subflow
socket lock.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Maxim Galaganov <max@internet.ru>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | include/linux/tcp.h | 2 | ||||
| -rw-r--r-- | net/ipv4/tcp.c | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 48d8a363319e..78b91bb92f0d 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -512,11 +512,13 @@ static inline u16 tcp_mss_clamp(const struct tcp_sock *tp, u16 mss) int tcp_skb_shift(struct sk_buff *to, struct sk_buff *from, int pcount, int shiftlen); +void __tcp_sock_set_cork(struct sock *sk, bool on); void tcp_sock_set_cork(struct sock *sk, bool on); int tcp_sock_set_keepcnt(struct sock *sk, int val); int tcp_sock_set_keepidle_locked(struct sock *sk, int val); int tcp_sock_set_keepidle(struct sock *sk, int val); int tcp_sock_set_keepintvl(struct sock *sk, int val); +void __tcp_sock_set_nodelay(struct sock *sk, bool on); void tcp_sock_set_nodelay(struct sock *sk); void tcp_sock_set_quickack(struct sock *sk, int val); int tcp_sock_set_syncnt(struct sock *sk, int val); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 6ab82e1a1d41..20054618c87e 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -3207,7 +3207,7 @@ static void tcp_enable_tx_delay(void) * TCP_CORK can be set together with TCP_NODELAY and it is stronger than * TCP_NODELAY. */ -static void __tcp_sock_set_cork(struct sock *sk, bool on) +void __tcp_sock_set_cork(struct sock *sk, bool on) { struct tcp_sock *tp = tcp_sk(sk); @@ -3235,7 +3235,7 @@ EXPORT_SYMBOL(tcp_sock_set_cork); * However, when TCP_NODELAY is set we make an explicit push, which overrides * even TCP_CORK for currently queued segments. */ -static void __tcp_sock_set_nodelay(struct sock *sk, bool on) +void __tcp_sock_set_nodelay(struct sock *sk, bool on) { if (on) { tcp_sk(sk)->nonagle |= TCP_NAGLE_OFF|TCP_NAGLE_PUSH; |