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iproute: support "scope". Closes 8561

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function                                             old     new   delta
iproute_modify                                      1051    1120     +69

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2015-12-30 17:32:51 +01:00
parent 6c634f7968
commit ce4bc1ed04
1 changed files with 33 additions and 19 deletions
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52
networking/libiproute/iproute.c
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@ -313,12 +313,13 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM,
static int iproute_modify(int cmd, unsigned flags, char **argv)
{
static const char keywords[] ALIGN1 =
"src\0""via\0""mtu\0""lock\0""protocol\0"IF_FEATURE_IP_RULE("table\0")
"src\0""via\0""mtu\0""lock\0""scope\0""protocol\0"IF_FEATURE_IP_RULE("table\0")
"dev\0""oif\0""to\0""metric\0""onlink\0";
enum {
ARG_src,
ARG_via,
ARG_mtu, PARM_lock,
ARG_scope,
ARG_protocol,
IF_FEATURE_IP_RULE(ARG_table,)
ARG_dev,
@ -344,6 +345,7 @@ IF_FEATURE_IP_RULE(ARG_table,)
unsigned mxlock = 0;
char *d = NULL;
smalluint ok = 0;
smalluint scope_ok = 0;
int arg;
memset(&req, 0, sizeof(req));
@ -352,15 +354,18 @@ IF_FEATURE_IP_RULE(ARG_table,)
req.n.nlmsg_flags = NLM_F_REQUEST | flags;
req.n.nlmsg_type = cmd;
req.r.rtm_family = preferred_family;
if (RT_TABLE_MAIN) /* if it is zero, memset already did it */
if (RT_TABLE_MAIN != 0) /* if it is zero, memset already did it */
req.r.rtm_table = RT_TABLE_MAIN;
if (RT_SCOPE_NOWHERE)
if (RT_SCOPE_NOWHERE != 0)
req.r.rtm_scope = RT_SCOPE_NOWHERE;
if (cmd != RTM_DELROUTE) {
req.r.rtm_protocol = RTPROT_BOOT;
req.r.rtm_scope = RT_SCOPE_UNIVERSE;
req.r.rtm_type = RTN_UNICAST;
if (RTPROT_BOOT != 0)
req.r.rtm_protocol = RTPROT_BOOT;
if (RT_SCOPE_UNIVERSE != 0)
req.r.rtm_scope = RT_SCOPE_UNIVERSE;
if (RTN_UNICAST != 0)
req.r.rtm_type = RTN_UNICAST;
}
mxrta->rta_type = RTA_METRICS;
@ -393,6 +398,13 @@ IF_FEATURE_IP_RULE(ARG_table,)
}
mtu = get_unsigned(*argv, "mtu");
rta_addattr32(mxrta, sizeof(mxbuf), RTAX_MTU, mtu);
} else if (arg == ARG_scope) {
uint32_t scope;
NEXT_ARG();
if (rtnl_rtscope_a2n(&scope, *argv))
invarg_1_to_2(*argv, "scope");
req.r.rtm_scope = scope;
scope_ok = 1;
} else if (arg == ARG_protocol) {
uint32_t prot;
NEXT_ARG();
@ -469,20 +481,22 @@ IF_FEATURE_IP_RULE(ARG_table,)
addattr_l(&req.n, sizeof(req), RTA_METRICS, RTA_DATA(mxrta), RTA_PAYLOAD(mxrta));
}
if (req.r.rtm_type == RTN_LOCAL || req.r.rtm_type == RTN_NAT)
req.r.rtm_scope = RT_SCOPE_HOST;
else
if (req.r.rtm_type == RTN_BROADCAST
|| req.r.rtm_type == RTN_MULTICAST
|| req.r.rtm_type == RTN_ANYCAST
) {
req.r.rtm_scope = RT_SCOPE_LINK;
}
else if (req.r.rtm_type == RTN_UNICAST || req.r.rtm_type == RTN_UNSPEC) {
if (cmd == RTM_DELROUTE)
req.r.rtm_scope = RT_SCOPE_NOWHERE;
else if (!(ok & gw_ok))
if (!scope_ok) {
if (req.r.rtm_type == RTN_LOCAL || req.r.rtm_type == RTN_NAT)
req.r.rtm_scope = RT_SCOPE_HOST;
else
if (req.r.rtm_type == RTN_BROADCAST
|| req.r.rtm_type == RTN_MULTICAST
|| req.r.rtm_type == RTN_ANYCAST
) {
req.r.rtm_scope = RT_SCOPE_LINK;
}
else if (req.r.rtm_type == RTN_UNICAST || req.r.rtm_type == RTN_UNSPEC) {
if (cmd == RTM_DELROUTE)
req.r.rtm_scope = RT_SCOPE_NOWHERE;
else if (!(ok & gw_ok))
req.r.rtm_scope = RT_SCOPE_LINK;
}
}
if (req.r.rtm_family == AF_UNSPEC) {