diff options
| author | Eric Dumazet <edumazet@google.com> | 2021-10-27 23:19:21 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-10-28 14:44:39 +0300 |
| commit | a52fe46ef160b4101b8d14209729f49a71388b52 (patch) | |
| tree | 0f637638fd14d9d18fc55afe80e0c949118d6b9a /net/ipv4 | |
| parent | f401da475f98c1840d48c9e00a6eb228237357c0 (diff) | |
| download | linux-a52fe46ef160b4101b8d14209729f49a71388b52.tar.xz | |
tcp: factorize ip_summed setting
Setting skb->ip_summed to CHECKSUM_PARTIAL can be centralized
in tcp_stream_alloc_skb() and __mptcp_do_alloc_tx_skb()
instead of being done multiple times.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/tcp.c | 3 | ||||
| -rw-r--r-- | net/ipv4/tcp_output.c | 6 |
2 files changed, 1 insertions, 8 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 66ed0d79f414..c58d448b45a0 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -876,6 +876,7 @@ struct sk_buff *tcp_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp, } if (likely(mem_scheduled)) { skb_reserve(skb, MAX_TCP_HEADER); + skb->ip_summed = CHECKSUM_PARTIAL; INIT_LIST_HEAD(&skb->tcp_tsorted_anchor); return skb; } @@ -993,7 +994,6 @@ new_segment: skb->truesize += copy; sk_wmem_queued_add(sk, copy); sk_mem_charge(sk, copy); - skb->ip_summed = CHECKSUM_PARTIAL; WRITE_ONCE(tp->write_seq, tp->write_seq + copy); TCP_SKB_CB(skb)->end_seq += copy; tcp_skb_pcount_set(skb, 0); @@ -1289,7 +1289,6 @@ new_segment: goto wait_for_space; process_backlog++; - skb->ip_summed = CHECKSUM_PARTIAL; tcp_skb_entail(sk, skb); copy = size_goal; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index e1dcc93d5b6d..7ecf35d0f847 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1590,8 +1590,6 @@ int tcp_fragment(struct sock *sk, enum tcp_queue tcp_queue, skb_split(skb, buff, len); - buff->ip_summed = CHECKSUM_PARTIAL; - buff->tstamp = skb->tstamp; tcp_fragment_tstamp(skb, buff); @@ -1676,7 +1674,6 @@ int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len) delta_truesize = __pskb_trim_head(skb, len); TCP_SKB_CB(skb)->seq += len; - skb->ip_summed = CHECKSUM_PARTIAL; if (delta_truesize) { skb->truesize -= delta_truesize; @@ -2147,7 +2144,6 @@ static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len, tcp_skb_fragment_eor(skb, buff); - buff->ip_summed = CHECKSUM_PARTIAL; skb_split(skb, buff, len); tcp_fragment_tstamp(skb, buff); @@ -2403,7 +2399,6 @@ static int tcp_mtu_probe(struct sock *sk) TCP_SKB_CB(nskb)->tcp_flags = TCPHDR_ACK; TCP_SKB_CB(nskb)->sacked = 0; nskb->csum = 0; - nskb->ip_summed = CHECKSUM_PARTIAL; tcp_insert_write_queue_before(nskb, skb, sk); tcp_highest_sack_replace(sk, skb, nskb); @@ -3753,7 +3748,6 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn) syn_data = tcp_stream_alloc_skb(sk, space, sk->sk_allocation, false); if (!syn_data) goto fallback; - syn_data->ip_summed = CHECKSUM_PARTIAL; memcpy(syn_data->cb, syn->cb, sizeof(syn->cb)); if (space) { int copied = copy_from_iter(skb_put(syn_data, space), space, |