Page MenuHomeFreeBSD
Files F102949568

D28068.id81968.diff
No OneTemporary
Actions

D28068.id81968.diff
View Options

Index: sys/netinet/if_ether.c
===================================================================
--- sys/netinet/if_ether.c
+++ sys/netinet/if_ether.c
@@ -114,7 +114,7 @@
VNET_PCPUSTAT_SYSUNINIT(arpstat);
#endif /* VIMAGE */
-VNET_DEFINE_STATIC(int, arp_maxhold) = 1;
+VNET_DEFINE_STATIC(int, arp_maxhold) = 16;
#define V_arpt_keep VNET(arpt_keep)
#define V_arpt_down VNET(arpt_down)
Index: sys/netinet6/nd6.c
===================================================================
--- sys/netinet6/nd6.c
+++ sys/netinet6/nd6.c
@@ -106,7 +106,7 @@
VNET_DEFINE(int, nd6_maxnudhint) = 0; /* max # of subsequent upper
* layer hints */
-VNET_DEFINE_STATIC(int, nd6_maxqueuelen) = 1; /* max pkts cached in unresolved
+VNET_DEFINE_STATIC(int, nd6_maxqueuelen) = 16; /* max pkts cached in unresolved
* ND entries */
#define V_nd6_maxndopt VNET(nd6_maxndopt)
#define V_nd6_maxqueuelen VNET(nd6_maxqueuelen)
Index: usr.sbin/arp/arp.4
===================================================================
--- usr.sbin/arp/arp.4
+++ usr.sbin/arp/arp.4
@@ -40,9 +40,7 @@
The Address Resolution Protocol (ARP) is used to dynamically
map between Protocol Addresses (such as IP addresses) and
Local Network Addresses (such as Ethernet addresses).
-This implementation maps IP addresses to Ethernet,
-ARCnet,
-or Token Ring addresses.
+This implementation maps IP addresses to Ethernet addresses.
It is used by all the Ethernet interface drivers.
.Pp
ARP caches Internet-Ethernet address mappings.
@@ -51,9 +49,10 @@
a message on the associated network requesting the address mapping.
If a response is provided, the new mapping is cached and any pending
message is transmitted.
-ARP will queue at most one packet while waiting for a response to a
-mapping request;
-only the most recently ``transmitted'' packet is kept.
+ARP will queue at most
+.Va net.link.ether.inet.maxhold
+packets while waiting for a response to a mapping request;
+only the most recently ``transmitted'' packets are kept.
If the target host does not respond after several requests,
the host is considered to be down allowing an error to be returned to
transmission attempts.
@@ -65,17 +64,7 @@
.Er EHOSTUNREACH
for a non-responding router.
.Pp
-The ARP cache is stored in the system routing table as
-dynamically-created host routes.
-The route to a directly-attached Ethernet network is installed as a
-.Dq cloning
-route (one with the
-.Li RTF_CLONING
-flag set),
-causing routes to individual hosts on that network to be created on
-demand.
-These routes time out periodically (normally 20 minutes after validated;
-entries are not validated when not in use).
+The ARP cache is stored in per-interface link-level table.
.Pp
ARP entries may be added, deleted or changed with the
.Xr arp 8
@@ -173,7 +162,7 @@
.It Va maxhold
How many packets to hold in the per-entry output queue while the entry
is being resolved.
-Default is one packet.
+Default is 16 packets.
.It Va maxtries
Number of retransmits before a host is considered down and an error is
returned.

File Metadata

Mime Type
text/plain
Expires
Wed, Nov 20, 2:41 AM (19 h, 19 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
14728318
Default Alt Text
D28068.id81968.diff (2 KB)

Event Timeline