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authorDavid S. Miller <davem@davemloft.net>2019-11-02 13:12:51 -0700
committerDavid S. Miller <davem@davemloft.net>2019-11-02 13:54:56 -0700
commitd31e95585ca697fb31440c6fe30113adc85ecfbd (patch)
tree4936ea0aaa6b2aeeee4db51e3c60d938c9b9ed96 /net/ipv4/tcp_ipv4.c
parenttc-testing: added tests with cookie for conntrack TC action (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff)
downloadwireguard-linux-d31e95585ca697fb31440c6fe30113adc85ecfbd.tar.xz
wireguard-linux-d31e95585ca697fb31440c6fe30113adc85ecfbd.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The only slightly tricky merge conflict was the netdevsim because the mutex locking fix overlapped a lot of driver reload reorganization. The rest were (relatively) trivial in nature. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index c616f0ad1fa0..899e100a68e6 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -301,7 +301,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
inet->inet_daddr);
}
- inet->inet_id = tp->write_seq ^ jiffies;
+ inet->inet_id = prandom_u32();
if (tcp_fastopen_defer_connect(sk, &err))
return err;
@@ -1448,7 +1448,7 @@ struct sock *tcp_v4_syn_recv_sock(const struct sock *sk, struct sk_buff *skb,
inet_csk(newsk)->icsk_ext_hdr_len = 0;
if (inet_opt)
inet_csk(newsk)->icsk_ext_hdr_len = inet_opt->opt.optlen;
- newinet->inet_id = newtp->write_seq ^ jiffies;
+ newinet->inet_id = prandom_u32();
if (!dst) {
dst = inet_csk_route_child_sock(sk, newsk, req);
@@ -2679,7 +2679,7 @@ static int __net_init tcp_sk_init(struct net *net)
net->ipv4.tcp_death_row.sysctl_max_tw_buckets = cnt / 2;
net->ipv4.tcp_death_row.hashinfo = &tcp_hashinfo;
- net->ipv4.sysctl_max_syn_backlog = max(128, cnt / 256);
+ net->ipv4.sysctl_max_syn_backlog = max(128, cnt / 128);
net->ipv4.sysctl_tcp_sack = 1;
net->ipv4.sysctl_tcp_window_scaling = 1;
net->ipv4.sysctl_tcp_timestamps = 1;