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| author |   Eric Dumazet <edumazet@google.com> | 2022-02-21 19:11:15 -0800 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2022-02-22 17:27:18 -0800 |
| commit | 0ebea8f9b81cc02bbef2ec720a4c19e841c03217 (patch) | |
| tree | 9a32f2aa2263fa6cac094ac0940fe7436ec98923 /net/ipv6/tcp_ipv6.c | |
| parent | testptp: add option to shift clock by nanoseconds (diff) | |
| download | linux-dev-0ebea8f9b81cc02bbef2ec720a4c19e841c03217.tar.xz linux-dev-0ebea8f9b81cc02bbef2ec720a4c19e841c03217.zip | |
ipv6: tcp: consistently use MAX_TCP_HEADER
All other skbs allocated for TCP tx are using MAX_TCP_HEADER already.
MAX_HEADER can be too small for some cases (like eBPF based encapsulation),
so this can avoid extra pskb_expand_head() in lower stacks.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20220222031115.4005060-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 91cee8010285..749de8529c83 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -925,12 +925,11 @@ static void tcp_v6_send_response(const struct sock *sk, struct sk_buff *skb, u32 } #endif - buff = alloc_skb(MAX_HEADER + sizeof(struct ipv6hdr) + tot_len, - GFP_ATOMIC); + buff = alloc_skb(MAX_TCP_HEADER, GFP_ATOMIC); if (!buff) return; - skb_reserve(buff, MAX_HEADER + sizeof(struct ipv6hdr) + tot_len); + skb_reserve(buff, MAX_TCP_HEADER); t1 = skb_push(buff, tot_len); skb_reset_transport_header(buff); |