diff options
| author | Radim Krčmář <rkrcmar@redhat.com> | 2018-09-07 18:30:47 +0200 |
|---|---|---|
| committer | Radim Krčmář <rkrcmar@redhat.com> | 2018-09-07 18:30:47 +0200 |
| commit | ed2ef29100644eabc6099cbf1a3aa9d938555ab8 (patch) | |
| tree | dadd3eb5d77ae2c44adc92869c662292bd652f46 /net/ipv4/tcp_ipv4.c | |
| parent | 732b53146ac8f604e45c593efe0579f78205fdcc (diff) | |
| parent | df88f3181f10565c6e3a89eb6f0f9e6afaaf15f1 (diff) | |
Merge tag 'kvm-s390-master-4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux
KVM: s390: Fixes for 4.19
- Fallout from the hugetlbfs support: pfmf interpretion and locking
- VSIE: fix keywrapping for nested guests
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 9e041fa5c545..44c09eddbb78 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -2517,6 +2517,12 @@ static int __net_init tcp_sk_init(struct net *net) if (res) goto fail; sock_set_flag(sk, SOCK_USE_WRITE_QUEUE); + + /* Please enforce IP_DF and IPID==0 for RST and + * ACK sent in SYN-RECV and TIME-WAIT state. + */ + inet_sk(sk)->pmtudisc = IP_PMTUDISC_DO; + *per_cpu_ptr(net->ipv4.tcp_sk, cpu) = sk; } |