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authorTakashi Iwai <tiwai@suse.de>2021-08-30 15:57:03 +0300
committerTakashi Iwai <tiwai@suse.de>2021-08-30 15:57:03 +0300
commita8729efbbb847f6ea9b06e73491ec8ddb560465e (patch)
treec2e172452158457ab238080405060110934ad9d1 /net/mptcp/protocol.h
parentf7b82b12626e10a2f5332b699cc79819ac8decc7 (diff)
parent38b7673000949ca784fcb8a9feb70d2a802befa6 (diff)
downloadlinux-a8729efbbb847f6ea9b06e73491ec8ddb560465e.tar.xz
Merge tag 'asoc-v5.15' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v5.15 Quite a quiet release this time, mostly a combination of cleanups and a good set of new drivers. - Lots of cleanups and improvements to the Intel drivers, including some new systems support. - New support for AMD Vangoh, CUI CMM-4030D-261, Mediatek Mt8195, Renesas RZ/G2L Mediatek Mt8195, RealTek RT101P, Renesas RZ/G2L,, Rockchip RK3568 S/PDIF.
Diffstat (limited to 'net/mptcp/protocol.h')
-rw-r--r--net/mptcp/protocol.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 426ed80fe72f..0f0c026c5f8b 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -296,9 +296,17 @@ static inline struct mptcp_sock *mptcp_sk(const struct sock *sk)
return (struct mptcp_sock *)sk;
}
+/* the msk socket don't use the backlog, also account for the bulk
+ * free memory
+ */
+static inline int __mptcp_rmem(const struct sock *sk)
+{
+ return atomic_read(&sk->sk_rmem_alloc) - READ_ONCE(mptcp_sk(sk)->rmem_released);
+}
+
static inline int __mptcp_space(const struct sock *sk)
{
- return tcp_space(sk) + READ_ONCE(mptcp_sk(sk)->rmem_released);
+ return tcp_win_from_space(sk, READ_ONCE(sk->sk_rcvbuf) - __mptcp_rmem(sk));
}
static inline struct mptcp_data_frag *mptcp_send_head(const struct sock *sk)