[PATCH net] net: rename and move busy poll mib counter

From: Eliezer Tamir
Date: Tue Aug 06 2013 - 05:52:14 EST


Move the low latency mib counter to the ip section.
Rename it from low latency to busy poll.

Reported-by: Shawn Bohrer <sbohrer@xxxxxxxxxxxxxxx>
Signed-off-by: Eliezer Tamir <eliezer.tamir@xxxxxxxxxxxxxxx>
---

include/net/busy_poll.h | 4 ++--
include/uapi/linux/snmp.h | 2 +-
net/ipv4/proc.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h
index 8e2dfc1..1b48741 100644
--- a/include/net/busy_poll.h
+++ b/include/net/busy_poll.h
@@ -121,8 +121,8 @@ static inline bool sk_busy_loop(struct sock *sk, int nonblock)

if (rc > 0)
/* local bh are disabled so it is ok to use _BH */
- NET_ADD_STATS_BH(sock_net(sk),
- LINUX_MIB_LOWLATENCYRXPACKETS, rc);
+ IP_ADD_STATS_BH(dev_net(napi->dev),
+ IPSTATS_MIB_BUSYPOLLRXPACKETS, rc);

} while (!nonblock && skb_queue_empty(&sk->sk_receive_queue) &&
!need_resched() && !busy_loop_timeout(end_time));
diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h
index af0a674..5575d9b 100644
--- a/include/uapi/linux/snmp.h
+++ b/include/uapi/linux/snmp.h
@@ -51,6 +51,7 @@ enum
IPSTATS_MIB_INBCASTOCTETS, /* InBcastOctets */
IPSTATS_MIB_OUTBCASTOCTETS, /* OutBcastOctets */
IPSTATS_MIB_CSUMERRORS, /* InCsumErrors */
+ IPSTATS_MIB_BUSYPOLLRXPACKETS, /* BusyPollRxPackets */
__IPSTATS_MIB_MAX
};

@@ -253,7 +254,6 @@ enum
LINUX_MIB_TCPFASTOPENLISTENOVERFLOW, /* TCPFastOpenListenOverflow */
LINUX_MIB_TCPFASTOPENCOOKIEREQD, /* TCPFastOpenCookieReqd */
LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES, /* TCPSpuriousRtxHostQueues */
- LINUX_MIB_LOWLATENCYRXPACKETS, /* LowLatencyRxPackets */
__LINUX_MIB_MAX
};

diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 6577a11..3c54a63 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -108,6 +108,7 @@ static const struct snmp_mib snmp4_ipstats_list[] = {
SNMP_MIB_ITEM("FragOKs", IPSTATS_MIB_FRAGOKS),
SNMP_MIB_ITEM("FragFails", IPSTATS_MIB_FRAGFAILS),
SNMP_MIB_ITEM("FragCreates", IPSTATS_MIB_FRAGCREATES),
+ SNMP_MIB_ITEM("BusyPollRxPackets", IPSTATS_MIB_BUSYPOLLRXPACKETS),
SNMP_MIB_SENTINEL
};

@@ -273,7 +274,6 @@ static const struct snmp_mib snmp4_net_list[] = {
SNMP_MIB_ITEM("TCPFastOpenListenOverflow", LINUX_MIB_TCPFASTOPENLISTENOVERFLOW),
SNMP_MIB_ITEM("TCPFastOpenCookieReqd", LINUX_MIB_TCPFASTOPENCOOKIEREQD),
SNMP_MIB_ITEM("TCPSpuriousRtxHostQueues", LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES),
- SNMP_MIB_ITEM("LowLatencyRxPackets", LINUX_MIB_LOWLATENCYRXPACKETS),
SNMP_MIB_SENTINEL
};


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