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authorEric Dumazet <edumazet@google.com>2019-02-26 09:49:13 -0800
committerDavid S. Miller <davem@davemloft.net>2019-02-26 13:16:03 -0800
commit564833419f1216c36d28a142b3c8119fd49104d7 (patch)
tree9528169c06616cc56d61f07767e4746ea1a00535 /net/ipv4/tcp_output.c
parenttcp: use tcp_md5_needed for timewait sockets (diff)
downloadlinux-dev-564833419f1216c36d28a142b3c8119fd49104d7.tar.xz
linux-dev-564833419f1216c36d28a142b3c8119fd49104d7.zip
tcp: remove tcp_queue argument from tso_fragment()
tso_fragment() is only called for packets still in write queue. Remove the tcp_queue parameter to make this more obvious, even if the comment clearly states this. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 91f5cc5a3f88..4522579aaca2 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1846,17 +1846,17 @@ static bool tcp_snd_wnd_test(const struct tcp_sock *tp,
* know that all the data is in scatter-gather pages, and that the
* packet has never been sent out before (and thus is not cloned).
*/
-static int tso_fragment(struct sock *sk, enum tcp_queue tcp_queue,
- struct sk_buff *skb, unsigned int len,
+static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len,
unsigned int mss_now, gfp_t gfp)
{
- struct sk_buff *buff;
int nlen = skb->len - len;
+ struct sk_buff *buff;
u8 flags;
/* All of a TSO frame must be composed of paged data. */
if (skb->len != skb->data_len)
- return tcp_fragment(sk, tcp_queue, skb, len, mss_now, gfp);
+ return tcp_fragment(sk, TCP_FRAG_IN_WRITE_QUEUE,
+ skb, len, mss_now, gfp);
buff = sk_stream_alloc_skb(sk, 0, gfp, true);
if (unlikely(!buff))
@@ -1892,7 +1892,7 @@ static int tso_fragment(struct sock *sk, enum tcp_queue tcp_queue,
/* Link BUFF into the send queue. */
__skb_header_release(buff);
- tcp_insert_write_queue_after(skb, buff, sk, tcp_queue);
+ tcp_insert_write_queue_after(skb, buff, sk, TCP_FRAG_IN_WRITE_QUEUE);
return 0;
}
@@ -2391,8 +2391,7 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle,
nonagle);
if (skb->len > limit &&
- unlikely(tso_fragment(sk, TCP_FRAG_IN_WRITE_QUEUE,
- skb, limit, mss_now, gfp)))
+ unlikely(tso_fragment(sk, skb, limit, mss_now, gfp)))
break;
if (tcp_small_queue_check(sk, skb, 0))