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networking: add 'ip neigh' command

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This patch ports the 'ip neigh' command, originally written by Alexey
Kuznetsov, <kuznet@ms2.inr.ac.ru>, to busybox.

The base of the port is the version of iproute that shipped with
Debian Squeeze, taken from:

  http://http.debian.net/debian/pool/main/i/iproute/iproute_20100519.orig.tar.gz

This patch has actively been used by the Open Network Install
Environment (ONIE) project for over 3 years without incident.

function                                             old     new   delta
print_neigh                                            -     933    +933
ipneigh_list_or_flush                                  -     742    +742
get_hz                                                 -     109    +109
do_ipneigh                                             -      62     +62
do_iproute                                          2112    2153     +41
packed_usage                                       30647   30667     +20
ipneigh_main                                           -      14     +14
static.ip_neigh_commands                               -      12     +12
static.nuds                                            -       9      +9
static.ip_func_ptrs                                   32      36      +4
print_route                                         1858    1727    -131
------------------------------------------------------------------------------
(add/remove: 8/0 grow/shrink: 3/1 up/down: 1946/-131)        Total: 1815 bytes

Signed-off-by: Curt Brune <curt@cumulusnetworks.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Curt Brune
2015-10-14 12:53:47 +02:00
committed by Denys Vlasenko
parent 7b85ec30b5
commit 69934701fd
8 changed files with 420 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
networking/ip.c
View File

@@ -16,6 +16,7 @@
//usage: IF_FEATURE_IP_ROUTE("route | ")
//usage: IF_FEATURE_IP_LINK("link | ")
//usage: IF_FEATURE_IP_TUNNEL("tunnel | ")
//usage: IF_FEATURE_IP_NEIGH("neigh | ")
//usage: IF_FEATURE_IP_RULE("rule")
//usage: "} {COMMAND}"
//usage:#define ip_full_usage "\n\n"
@@ -25,6 +26,7 @@
//usage: IF_FEATURE_IP_ROUTE("route | ")
//usage: IF_FEATURE_IP_LINK("link | ")
//usage: IF_FEATURE_IP_TUNNEL("tunnel | ")
//usage: IF_FEATURE_IP_NEIGH("neigh | ")
//usage: IF_FEATURE_IP_RULE("rule")
//usage: "}\n"
//usage: "OPTIONS := { -f[amily] { inet | inet6 | link } | -o[neline] }"
@@ -80,6 +82,11 @@
//usage: " [mode { ipip | gre | sit }] [remote ADDR] [local ADDR]\n"
//usage: " [[i|o]seq] [[i|o]key KEY] [[i|o]csum]\n"
//usage: " [ttl TTL] [tos TOS] [[no]pmtudisc] [dev PHYS_DEV]"
//usage:
//usage:#define ipneigh_trivial_usage
//usage: "{ show | flush} [ to PREFIX ] [ dev DEV ] [ nud STATE ]"
//usage:#define ipneigh_full_usage "\n\n"
//usage: "ipneigh { show | flush} [ to PREFIX ] [ dev DEV ] [ nud STATE ]"
#include "libbb.h"
@@ -90,7 +97,8 @@
|| ENABLE_FEATURE_IP_ROUTE \
|| ENABLE_FEATURE_IP_LINK \
|| ENABLE_FEATURE_IP_TUNNEL \
|| ENABLE_FEATURE_IP_RULE
|| ENABLE_FEATURE_IP_RULE \
|| ENABLE_FEATURE_IP_NEIGH
static int FAST_FUNC ip_print_help(char **argv UNUSED_PARAM)
{
@@ -140,6 +148,13 @@ int iptunnel_main(int argc UNUSED_PARAM, char **argv)
return ip_do(do_iptunnel, argv);
}
#endif
#if ENABLE_FEATURE_IP_NEIGH
int ipneigh_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int ipneigh_main(int argc UNUSED_PARAM, char **argv)
{
return ip_do(do_ipneigh, argv);
}
#endif
int ip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
@@ -153,6 +168,7 @@ int ip_main(int argc UNUSED_PARAM, char **argv)
IF_FEATURE_IP_TUNNEL("tunnel\0")
IF_FEATURE_IP_TUNNEL("tunl\0")
IF_FEATURE_IP_RULE("rule\0")
IF_FEATURE_IP_NEIGH("neigh\0")
;
static const ip_func_ptr_t ip_func_ptrs[] = {
ip_print_help,
@@ -163,6 +179,7 @@ int ip_main(int argc UNUSED_PARAM, char **argv)
IF_FEATURE_IP_TUNNEL(do_iptunnel,)
IF_FEATURE_IP_TUNNEL(do_iptunnel,)
IF_FEATURE_IP_RULE(do_iprule,)
IF_FEATURE_IP_NEIGH(do_ipneigh,)
};
ip_func_ptr_t ip_func;
int key;