@@ -33,7 +33,7 @@
#define MAX_ADDR_LEN 32 /* Largest hardware address length */
-
+#define INIT_NETDEV_GROUP 0 /* Initial group net devices belong to */
/* Media selection options. */
enum {
@@ -49,6 +49,7 @@ static struct
char *flushb;
int flushp;
int flushe;
+ int group;
} filter;
static int do_link;
@@ -246,6 +247,12 @@ int print_linkinfo(const struct sockaddr_nl *who,
fnmatch(filter.label, RTA_DATA(tb[IFLA_IFNAME]), 0))
return 0;
+ if (tb[IFLA_GROUP]) {
+ int group = *(int*)RTA_DATA(tb[IFLA_GROUP]);
+ if (group != filter.group)
+ return -1;
+ }
+
if (n->nlmsg_type == RTM_DELLINK)
fprintf(fp, "Deleted ");
@@ -718,9 +725,12 @@ static int ipaddr_list_or_flush(int argc, char **argv, int flush)
if (filter.family == AF_UNSPEC)
filter.family = preferred_family;
+ filter.group = INIT_NETDEV_GROUP;
+
if (flush) {
if (argc <= 0) {
fprintf(stderr, "Flush requires arguments.\n");
+
return -1;
}
if (filter.family == AF_PACKET) {
@@ -779,6 +789,10 @@ static int ipaddr_list_or_flush(int argc, char **argv, int flush)
} else if (strcmp(*argv, "label") == 0) {
NEXT_ARG();
filter.label = *argv;
+ } else if (strcmp(*argv, "devgroup") == 0) {
+ NEXT_ARG();
+ if (lookup_map_id(*argv, &filter.group, GROUP_MAP))
+ invarg("Invalid \"group\" value\n", *argv);
} else {
if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
@@ -66,13 +66,14 @@ void iplink_usage(void)
fprintf(stderr, " [ address LLADDR ]\n");
fprintf(stderr, " [ broadcast LLADDR ]\n");
fprintf(stderr, " [ mtu MTU ]\n");
+ fprintf(stderr, " [ group GROUP ]\n");
fprintf(stderr, " [ netns PID ]\n");
fprintf(stderr, " [ alias NAME ]\n");
fprintf(stderr, " [ group GROUP ]\n");
fprintf(stderr, " [ vf NUM [ mac LLADDR ]\n");
fprintf(stderr, " [ vlan VLANID [ qos VLAN-QOS ] ]\n");
fprintf(stderr, " [ rate TXRATE ] ] \n");
- fprintf(stderr, " ip link show [ DEVICE ]\n");
+ fprintf(stderr, " ip link show [ DEVICE | devgroup DEVGROUP ]\n");
if (iplink_have_newlink()) {
fprintf(stderr, "\n");
@@ -102,7 +102,9 @@ ip \- show / manipulate routing, devices, policy routing and tunnels
.ti -8
.B ip link show
-.RI "[ " DEVICE " ]"
+.RI "[ " DEVICE " | "
+.B devgroup
+.IR GROUP " ]"
.ti -8
.BR "ip addr" " { " add " | " del " } "
@@ -1065,7 +1067,12 @@ call.
.BI dev " NAME " (default)
.I NAME
specifies the network device to show.
-If this argument is omitted all devices are listed.
+If this argument is omitted all devices in the default group are listed.
+
+.TP
+.BI devgroup " GROUP "
+.I GROUP
+specifies what group of devices to show.
.TP
.B up
User can specify device group to list by using the devgroup keyword: ip link lst devgroup test If no group is specified, 0 (default) is implied. Signed-off-by: Vlad Dogaru <ddvlad@rosedu.org> --- include/linux/netdevice.h | 2 +- ip/ipaddress.c | 14 ++++++++++++++ ip/iplink.c | 3 ++- man/man8/ip.8 | 11 +++++++++-- 4 files changed, 26 insertions(+), 4 deletions(-)