emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

iproute: support for filtering by and printing of scope

Browse Source 
This patch adds filtering by and printing of 'scope' to the
ip route command, taken from the upstream ip command.

x86_64:
function                                             old     new   delta
iproute_list_or_flush                               1548    1674    +126
print_route                                         2394    2469     +75
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 201/0)             Total: 201 bytes

mipsel:
iproute_list_or_flush                               1952    2096    +144
print_route                                         2580    2696    +116
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 2/0 up/down: 260/0)             Total: 260 bytes

Signed-off-by: André Draszik <git@andred.net>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
André Draszik 2017-06-13 19:59:59 +02:00 committed by Denys Vlasenko
parent 978307f8a1
commit 2f24d30d01
1 changed files with 22 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
networking/libiproute/iproute.c
View File

@ -28,7 +28,7 @@ struct filter_t {
int flushe;
struct rtnl_handle *rth;
//int protocol, protocolmask; - write-only fields?!
//int scope, scopemask; - unused
int scope, scopemask;
//int type; - read-only
//int typemask; - unused
//int tos, tosmask; - unused
@ -120,6 +120,8 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM,
return 0;
}
}
if ((G_filter.scope ^ r->rtm_scope) & G_filter.scopemask)
return 0;
if (G_filter.rdst.family
&& (r->rtm_family != G_filter.rdst.family || G_filter.rdst.bitlen > r->rtm_dst_len)
) {
@ -270,7 +272,11 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM,
printf("table %s ", rtnl_rttable_n2a(tid));
#endif
/* Todo: parse & show "proto kernel", "scope link" here */
/* Todo: parse & show "proto kernel" here */
if (!(r->rtm_flags & RTM_F_CLONED)) {
if ((r->rtm_scope != RT_SCOPE_UNIVERSE) && G_filter.scopemask != -1)
printf("scope %s ", rtnl_rtscope_n2a(r->rtm_scope));
}
if (tb[RTA_PREFSRC] && /*G_filter.rprefsrc.bitlen - always 0*/ 0 != host_len) {
/* Do not use format_host(). It is our local addr
@ -761,10 +767,11 @@ static int iproute_list_or_flush(char **argv, int flush)
char *id = NULL;
char *od = NULL;
static const char keywords[] ALIGN1 =
/* If you add stuff here, update iproute_full_usage */
/* "ip route list/flush" parameters: */
"protocol\0" "dev\0" "oif\0" "iif\0"
"via\0" "table\0" "cache\0"
"from\0" "to\0"
"from\0" "to\0" "scope\0"
/* and possible further keywords */
"all\0"
"root\0"
@ -775,7 +782,7 @@ static int iproute_list_or_flush(char **argv, int flush)
enum {
KW_proto, KW_dev, KW_oif, KW_iif,
KW_via, KW_table, KW_cache,
KW_from, KW_to,
KW_from, KW_to, KW_scope,
/* */
KW_all,
KW_root,
@ -834,6 +841,17 @@ static int iproute_list_or_flush(char **argv, int flush)
/* The command 'ip route flush cache' is used by OpenSWAN.
* Assuming it's a synonym for 'ip route flush table cache' */
G_filter.tb = -1;
} else if (arg == KW_scope) {
uint32_t scope;
NEXT_ARG();
G_filter.scopemask = -1;
if (rtnl_rtscope_a2n(&scope, *argv)) {
if (strcmp(*argv, "all") != 0)
invarg_1_to_2(*argv, "scope");
scope = RT_SCOPE_NOWHERE;
G_filter.scopemask = 0;
}
G_filter.scope = scope;
} else if (arg == KW_from) {
NEXT_ARG();
parm = index_in_substrings(keywords, *argv);