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authorJakub Kicinski <kuba@kernel.org>2023-06-08 21:34:28 +0300
committerJakub Kicinski <kuba@kernel.org>2023-06-08 21:35:14 +0300
commit449f6bc17a51e68b06cfd742898e5ff3fe6e04d7 (patch)
treeed59929e7d1fa057ac6998075986a4cdfb85eb5a /net/ipv4/tcp_offload.c
parentbfd019d10fdabf70f9b01264aea6d6c7595f9226 (diff)
parent25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 (diff)
downloadlinux-449f6bc17a51e68b06cfd742898e5ff3fe6e04d7.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Conflicts: net/sched/sch_taprio.c d636fc5dd692 ("net: sched: add rcu annotations around qdisc->qdisc_sleeping") dced11ef84fb ("net/sched: taprio: don't overwrite "sch" variable in taprio_dump_class_stats()") net/ipv4/sysctl_net_ipv4.c e209fee4118f ("net/ipv4: ping_group_range: allow GID from 2147483648 to 4294967294") ccce324dabfe ("tcp: make the first N SYN RTO backoffs linear") https://lore.kernel.org/all/20230605100816.08d41a7b@canb.auug.org.au/ No adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/tcp_offload.c')
-rw-r--r--net/ipv4/tcp_offload.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c
index 88f9b0081ee7..05b38f58b404 100644
--- a/net/ipv4/tcp_offload.c
+++ b/net/ipv4/tcp_offload.c
@@ -60,12 +60,12 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb,
struct tcphdr *th;
unsigned int thlen;
unsigned int seq;
- __be32 delta;
unsigned int oldlen;
unsigned int mss;
struct sk_buff *gso_skb = skb;
__sum16 newcheck;
bool ooo_okay, copy_destructor;
+ __wsum delta;
th = tcp_hdr(skb);
thlen = th->doff * 4;
@@ -75,7 +75,7 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb,
if (!pskb_may_pull(skb, thlen))
goto out;
- oldlen = (u16)~skb->len;
+ oldlen = ~skb->len;
__skb_pull(skb, thlen);
mss = skb_shinfo(skb)->gso_size;
@@ -110,7 +110,7 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb,
if (skb_is_gso(segs))
mss *= skb_shinfo(segs)->gso_segs;
- delta = htonl(oldlen + (thlen + mss));
+ delta = (__force __wsum)htonl(oldlen + thlen + mss);
skb = segs;
th = tcp_hdr(skb);
@@ -119,8 +119,7 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb,
if (unlikely(skb_shinfo(gso_skb)->tx_flags & SKBTX_SW_TSTAMP))
tcp_gso_tstamp(segs, skb_shinfo(gso_skb)->tskey, seq, mss);
- newcheck = ~csum_fold((__force __wsum)((__force u32)th->check +
- (__force u32)delta));
+ newcheck = ~csum_fold(csum_add(csum_unfold(th->check), delta));
while (skb->next) {
th->fin = th->psh = 0;
@@ -165,11 +164,11 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb,
WARN_ON_ONCE(refcount_sub_and_test(-delta, &skb->sk->sk_wmem_alloc));
}
- delta = htonl(oldlen + (skb_tail_pointer(skb) -
- skb_transport_header(skb)) +
- skb->data_len);
- th->check = ~csum_fold((__force __wsum)((__force u32)th->check +
- (__force u32)delta));
+ delta = (__force __wsum)htonl(oldlen +
+ (skb_tail_pointer(skb) -
+ skb_transport_header(skb)) +
+ skb->data_len);
+ th->check = ~csum_fold(csum_add(csum_unfold(th->check), delta));
if (skb->ip_summed == CHECKSUM_PARTIAL)
gso_reset_checksum(skb, ~th->check);
else