提交 cc868028 编写于 作者: S Shan Wei 提交者: David S. Miller

net: doc: add default value for neighbour parameters

Signed-off-by: NShan Wei <davidshan@tencent.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 ce46cc64
...@@ -30,16 +30,24 @@ neigh/default/gc_thresh3 - INTEGER ...@@ -30,16 +30,24 @@ neigh/default/gc_thresh3 - INTEGER
Maximum number of neighbor entries allowed. Increase this Maximum number of neighbor entries allowed. Increase this
when using large numbers of interfaces and when communicating when using large numbers of interfaces and when communicating
with large numbers of directly-connected peers. with large numbers of directly-connected peers.
Default: 1024
neigh/default/unres_qlen_bytes - INTEGER neigh/default/unres_qlen_bytes - INTEGER
The maximum number of bytes which may be used by packets The maximum number of bytes which may be used by packets
queued for each unresolved address by other network layers. queued for each unresolved address by other network layers.
(added in linux 3.3) (added in linux 3.3)
Seting negative value is meaningless and will retrun error.
Default: 65536 Bytes(64KB)
neigh/default/unres_qlen - INTEGER neigh/default/unres_qlen - INTEGER
The maximum number of packets which may be queued for each The maximum number of packets which may be queued for each
unresolved address by other network layers. unresolved address by other network layers.
(deprecated in linux 3.3) : use unres_qlen_bytes instead. (deprecated in linux 3.3) : use unres_qlen_bytes instead.
Prior to linux 3.3, the default value is 3 which may cause
secluded packet loss. The current default value is calculated
according to default value of unres_qlen_bytes and true size of
packet.
Default: 31
mtu_expires - INTEGER mtu_expires - INTEGER
Time, in seconds, that cached PMTU information is kept. Time, in seconds, that cached PMTU information is kept.
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