Commit bf48c3fa authored by Paolo Abeni's avatar Paolo Abeni
Browse files

Merge branch 'net-neigh-introduce-interval_probe_time-for-periodic-probe' 

Yuwei Wang says:

====================
net, neigh: introduce interval_probe_time for periodic probe

This series adds a new option `interval_probe_time_ms` in net, neigh
for periodic probe, and add a limitation to prevent it set to 0
====================

Link: https://lore.kernel.org/r/20220629084832.2842973-1-wangyuweihx@gmail.com


Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parents d19b4c52 211da42e

Documentation/networking/ip-sysctl.rst

+6 −0
Original line number Diff line number Diff line
@@ -202,6 +202,12 @@ neigh/default/unres_qlen - INTEGER 


	Default: 101



neigh/default/interval_probe_time_ms - INTEGER

	The probe interval for neighbor entries with NTF_MANAGED flag,

	the min value is 1.



	Default: 5000



mtu_expires - INTEGER

	Time, in seconds, that cached PMTU information is kept.

include/linux/sysctl.h

+2 −0
Original line number Diff line number Diff line
@@ -75,6 +75,8 @@ int proc_douintvec_minmax(struct ctl_table *table, int write, void *buffer, 
int proc_dou8vec_minmax(struct ctl_table *table, int write, void *buffer,

			size_t *lenp, loff_t *ppos);

int proc_dointvec_jiffies(struct ctl_table *, int, void *, size_t *, loff_t *);

int proc_dointvec_ms_jiffies_minmax(struct ctl_table *table, int write,

		void *buffer, size_t *lenp, loff_t *ppos);

int proc_dointvec_userhz_jiffies(struct ctl_table *, int, void *, size_t *,

		loff_t *);

int proc_dointvec_ms_jiffies(struct ctl_table *, int, void *, size_t *,

include/net/neighbour.h

+1 −0
Original line number Diff line number Diff line
@@ -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,

include/uapi/linux/neighbour.h

+1 −0
Original line number Diff line number Diff line
@@ -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)

include/uapi/linux/sysctl.h

+19 −18
Original line number Diff line number Diff line
@@ -602,6 +602,7 @@ enum { 
	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 */