| Message ID | 1370948079-26598-1-git-send-email-amwang@redhat.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: Cong Wang <amwang@redhat.com> Date: Tue, 11 Jun 2013 18:54:39 +0800 > From: Cong Wang <amwang@redhat.com> > > commit 6648bd7e0e62c0c8c03b (ipv4: Add sysctl knob to control > early socket demux) introduced such sysctl, but forgot to add > doc into Documentation/networking/ip-sysctl.txt. This patch adds it. > > Basically I grab the doc from the description of commit 41063e9dd11956f2d285 > (ipv4: Early TCP socket demux.) and the above commit. > > Cc: Eric Dumazet <edumazet@google.com> > Cc: Alexander Duyck <alexander.h.duyck@intel.com> > Cc: David S. Miller <davem@davemloft.net> > Signed-off-by: Cong Wang <amwang@redhat.com> Applied, thank you. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 9cea5d3..36e5a40 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -685,6 +685,15 @@ ip_dynaddr - BOOLEAN occurs. Default: 0 +ip_early_demux - BOOLEAN + Optimize input packet processing down to one demux for + certain kinds of local sockets. Currently we only do this + for established TCP sockets. + + It may add an additional cost for pure routing workloads that + reduces overall throughput, in such case you should disable it. + Default: 1 + icmp_echo_ignore_all - BOOLEAN If set non-zero, then the kernel will ignore all ICMP ECHO requests sent to it.