diff options
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 8ae97c4970df..73a4f9702a65 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1558,7 +1558,11 @@ static inline void sk_wake_async(struct sock *sk, int how, int band) } #define SOCK_MIN_SNDBUF 2048 -#define SOCK_MIN_RCVBUF 256 +/* + * Since sk_rmem_alloc sums skb->truesize, even a small frame might need + * sizeof(sk_buff) + MTU + padding, unless net driver perform copybreak + */ +#define SOCK_MIN_RCVBUF (2048 + sizeof(struct sk_buff)) static inline void sk_stream_moderate_sndbuf(struct sock *sk) { |