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authorEric Dumazet2017-11-07 00:29:28 -0800
committerDavid S. Miller2017-11-10 14:34:58 +0900
commit356d1833b638bd465672aefeb71def3ab93fc17d (patch)
tree68354249261e8de8d367bfc21bb2969ecb9053d6 /include/net/netns
parenta3dcaf17ee54f1d01d22cc2b22cab0b4f60d78cf (diff)
tcp: Namespace-ify sysctl_tcp_rmem and sysctl_tcp_wmem
Note that when a new netns is created, it inherits its sysctl_tcp_rmem and sysctl_tcp_wmem from initial netns. This change is needed so that we can refine TCP rcvbuf autotuning, to take RTT into consideration. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Wei Wang <weiwan@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/netns')
-rw-r--r--include/net/netns/ipv4.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 379550f8124a..5e12975fc658 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -155,6 +155,8 @@ struct netns_ipv4 {
int sysctl_tcp_invalid_ratelimit;
int sysctl_tcp_pacing_ss_ratio;
int sysctl_tcp_pacing_ca_ratio;
+ int sysctl_tcp_wmem[3];
+ int sysctl_tcp_rmem[3];
struct inet_timewait_death_row tcp_death_row;
int sysctl_max_syn_backlog;
int sysctl_tcp_fastopen;