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authorEliezer Tamir <eliezer.tamir@linux.intel.com>2013-06-10 11:39:50 +0300
committerDavid S. Miller <davem@davemloft.net>2013-06-10 21:22:35 -0700
commit060212928670593fb89243640bf05cf89560b023 (patch)
tree32ae5c7be094983fb06430dbe09d36e2b317ca9c /include/uapi
parentaf12fa6e46aa651e7b86a4c4117b562518fef184 (diff)
downloadop-kernel-dev-060212928670593fb89243640bf05cf89560b023.zip
op-kernel-dev-060212928670593fb89243640bf05cf89560b023.tar.gz
net: add low latency socket poll
Adds an ndo_ll_poll method and the code that supports it. This method can be used by low latency applications to busy-poll Ethernet device queues directly from the socket code. sysctl_net_ll_poll controls how many microseconds to poll. Default is zero (disabled). Individual protocol support will be added by subsequent patches. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com> Acked-by: Eric Dumazet <edumazet@google.com> Tested-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/snmp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h
index df2e8b4..26cbf76 100644
--- a/include/uapi/linux/snmp.h
+++ b/include/uapi/linux/snmp.h
@@ -253,6 +253,7 @@ enum
LINUX_MIB_TCPFASTOPENLISTENOVERFLOW, /* TCPFastOpenListenOverflow */
LINUX_MIB_TCPFASTOPENCOOKIEREQD, /* TCPFastOpenCookieReqd */
LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES, /* TCPSpuriousRtxHostQueues */
+ LINUX_MIB_LOWLATENCYRXPACKETS, /* LowLatencyRxPackets */
__LINUX_MIB_MAX
};
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