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ipaddress: Add support for address metric

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Add support for IFA_RT_PRIORITY using the same keywords as iproute for
RTA_PRIORITY.

Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
David Ahern 2018-05-27 08:10:00 -07:00
parent 57ac202c78
commit 78d04c7b27
2 changed files with 20 additions and 1 deletions
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15
ip/ipaddress.c
View File

@ -63,7 +63,7 @@ static void usage(void)
fprintf(stderr, " ip address {showdump|restore}\n");
fprintf(stderr, "IFADDR := PREFIX | ADDR peer PREFIX\n");
fprintf(stderr, " [ broadcast ADDR ] [ anycast ADDR ]\n");
fprintf(stderr, " [ label IFNAME ] [ scope SCOPE-ID ]\n");
fprintf(stderr, " [ label IFNAME ] [ scope SCOPE-ID ] [ metric METRIC ]\n");
fprintf(stderr, "SCOPE-ID := [ host | link | global | NUMBER ]\n");
fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n");
fprintf(stderr, "FLAG := [ permanent | dynamic | secondary | primary |\n");
@ -1328,6 +1328,10 @@ int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n,
rta_tb[IFA_ADDRESS]));
}
print_int(PRINT_ANY, "prefixlen", "/%d ", ifa->ifa_prefixlen);
if (rta_tb[IFA_RT_PRIORITY])
print_uint(PRINT_ANY, "metric", "metric %u ",
rta_getattr_u32(rta_tb[IFA_RT_PRIORITY]));
}
if (brief)
@ -2119,6 +2123,15 @@ static int ipaddr_modify(int cmd, int flags, int argc, char **argv)
NEXT_ARG();
l = *argv;
addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
} else if (matches(*argv, "metric") == 0 ||
matches(*argv, "priority") == 0 ||
matches(*argv, "preference") == 0) {
__u32 metric;
NEXT_ARG();
if (get_u32(&metric, *argv, 0))
invarg("\"metric\" value is invalid\n", *argv);
addattr32(&req.n, sizeof(req), IFA_RT_PRIORITY, metric);
} else if (matches(*argv, "valid_lft") == 0) {
if (valid_lftp)
duparg("valid_lft", *argv);

6
man/man8/ip-address.8.in
View File

@ -27,6 +27,8 @@ ip-address \- protocol address management
.IR IFNAME " ] [ "
.B scope
.IR SCOPE-ID " ] [ "
.B metric
.IR METRIC " ] [ "
.B to
.IR PREFIX " ] [ " FLAG-LIST " ] [ "
.B label
@ -214,6 +216,10 @@ valid inside this site.
- the address is valid only inside this host.
.in -8
.TP
.BI metric " NUMBER"
priority of prefix route associated with address.
.TP
.BI valid_lft " LFT"
the valid lifetime of this address; see section 5.5.4 of