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authorYuwei Wang <wangyuweihx@gmail.com>2022-06-29 11:48:32 +0300
committerPaolo Abeni <pabeni@redhat.com>2022-06-30 14:14:35 +0300
commit211da42eaa45db7b0edfde187dd88a85fbd466b5 (patch)
treec6ee46505746d9109d1e4aaff25c15a00b34da27 /include
parentc381d02b2fd5f82d2207db1b9b25ff60d0d9c27c (diff)
downloadlinux-211da42eaa45db7b0edfde187dd88a85fbd466b5.tar.xz
net, neigh: introduce interval_probe_time_ms for periodic probe
commit ed6cd6a17896 ("net, neigh: Set lower cap for neigh_managed_work rearming") fixed a case when DELAY_PROBE_TIME is configured to 0, the processing of the system work queue hog CPU to 100%, and further more we should introduce a new option used by periodic probe Signed-off-by: Yuwei Wang <wangyuweihx@gmail.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/net/neighbour.h1
-rw-r--r--include/uapi/linux/neighbour.h1
-rw-r--r--include/uapi/linux/sysctl.h37
3 files changed, 21 insertions, 18 deletions
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 87419f7f5421..9f0bab0589d9 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -48,6 +48,7 @@ enum {
NEIGH_VAR_RETRANS_TIME,
NEIGH_VAR_BASE_REACHABLE_TIME,
NEIGH_VAR_DELAY_PROBE_TIME,
+ NEIGH_VAR_INTERVAL_PROBE_TIME_MS,
NEIGH_VAR_GC_STALETIME,
NEIGH_VAR_QUEUE_LEN_BYTES,
NEIGH_VAR_PROXY_QLEN,
diff --git a/include/uapi/linux/neighbour.h b/include/uapi/linux/neighbour.h
index 39c565e460c7..a998bf761635 100644
--- a/include/uapi/linux/neighbour.h
+++ b/include/uapi/linux/neighbour.h
@@ -154,6 +154,7 @@ enum {
NDTPA_QUEUE_LENBYTES, /* u32 */
NDTPA_MCAST_REPROBES, /* u32 */
NDTPA_PAD,
+ NDTPA_INTERVAL_PROBE_TIME_MS, /* u64, msecs */
__NDTPA_MAX
};
#define NDTPA_MAX (__NDTPA_MAX - 1)
diff --git a/include/uapi/linux/sysctl.h b/include/uapi/linux/sysctl.h
index 6a3b194c50fe..8981f00204db 100644
--- a/include/uapi/linux/sysctl.h
+++ b/include/uapi/linux/sysctl.h
@@ -584,24 +584,25 @@ enum {
/* /proc/sys/net/<protocol>/neigh/<dev> */
enum {
- NET_NEIGH_MCAST_SOLICIT=1,
- NET_NEIGH_UCAST_SOLICIT=2,
- NET_NEIGH_APP_SOLICIT=3,
- NET_NEIGH_RETRANS_TIME=4,
- NET_NEIGH_REACHABLE_TIME=5,
- NET_NEIGH_DELAY_PROBE_TIME=6,
- NET_NEIGH_GC_STALE_TIME=7,
- NET_NEIGH_UNRES_QLEN=8,
- NET_NEIGH_PROXY_QLEN=9,
- NET_NEIGH_ANYCAST_DELAY=10,
- NET_NEIGH_PROXY_DELAY=11,
- NET_NEIGH_LOCKTIME=12,
- NET_NEIGH_GC_INTERVAL=13,
- NET_NEIGH_GC_THRESH1=14,
- NET_NEIGH_GC_THRESH2=15,
- NET_NEIGH_GC_THRESH3=16,
- NET_NEIGH_RETRANS_TIME_MS=17,
- NET_NEIGH_REACHABLE_TIME_MS=18,
+ NET_NEIGH_MCAST_SOLICIT = 1,
+ NET_NEIGH_UCAST_SOLICIT = 2,
+ NET_NEIGH_APP_SOLICIT = 3,
+ NET_NEIGH_RETRANS_TIME = 4,
+ NET_NEIGH_REACHABLE_TIME = 5,
+ NET_NEIGH_DELAY_PROBE_TIME = 6,
+ NET_NEIGH_GC_STALE_TIME = 7,
+ NET_NEIGH_UNRES_QLEN = 8,
+ NET_NEIGH_PROXY_QLEN = 9,
+ NET_NEIGH_ANYCAST_DELAY = 10,
+ NET_NEIGH_PROXY_DELAY = 11,
+ NET_NEIGH_LOCKTIME = 12,
+ NET_NEIGH_GC_INTERVAL = 13,
+ NET_NEIGH_GC_THRESH1 = 14,
+ NET_NEIGH_GC_THRESH2 = 15,
+ NET_NEIGH_GC_THRESH3 = 16,
+ NET_NEIGH_RETRANS_TIME_MS = 17,
+ NET_NEIGH_REACHABLE_TIME_MS = 18,
+ NET_NEIGH_INTERVAL_PROBE_TIME_MS = 19,
};
/* /proc/sys/net/dccp */