static void explain(void)
{
- fprintf(stderr, "Usage: vlan pop\n");
- fprintf(stderr, " vlan push [ protocol VLANPROTO ] id VLANID [ priority VLANPRIO ] [CONTROL]\n");
- fprintf(stderr, " vlan modify [ protocol VLANPROTO ] id VLANID [ priority VLANPRIO ] [CONTROL]\n");
- fprintf(stderr, " VLANPROTO is one of 802.1Q or 802.1AD\n");
- fprintf(stderr, " with default: 802.1Q\n");
- fprintf(stderr, " CONTROL := reclassify | pipe | drop | continue | pass |\n");
- fprintf(stderr, " goto chain <CHAIN_INDEX>\n");
+ fprintf(stderr,
+ "Usage: vlan pop\n"
+ " vlan push [ protocol VLANPROTO ] id VLANID [ priority VLANPRIO ] [CONTROL]\n"
+ " vlan modify [ protocol VLANPROTO ] id VLANID [ priority VLANPRIO ] [CONTROL]\n"
+ " VLANPROTO is one of 802.1Q or 802.1AD\n"
+ " with default: 802.1Q\n"
+ " CONTROL := reclassify | pipe | drop | continue | pass |\n"
+ " goto chain <CHAIN_INDEX>\n");
}
static void usage(void)
return action == TCA_VLAN_ACT_PUSH || action == TCA_VLAN_ACT_MODIFY;
}
+static void unexpected(const char *arg)
+{
+ fprintf(stderr,
+ "unexpected \"%s\" - action already specified\n",
+ arg);
+ explain();
+}
+
static int parse_vlan(struct action_util *a, int *argc_p, char ***argv_p,
int tca_id, struct nlmsghdr *n)
{
while (argc > 0) {
if (matches(*argv, "pop") == 0) {
if (action) {
- fprintf(stderr, "unexpected \"%s\" - action already specified\n",
- *argv);
- explain();
+ unexpected(*argv);
return -1;
}
action = TCA_VLAN_ACT_POP;
} else if (matches(*argv, "push") == 0) {
if (action) {
- fprintf(stderr, "unexpected \"%s\" - action already specified\n",
- *argv);
- explain();
+ unexpected(*argv);
return -1;
}
action = TCA_VLAN_ACT_PUSH;
} else if (matches(*argv, "modify") == 0) {
if (action) {
- fprintf(stderr, "unexpected \"%s\" - action already specified\n",
- *argv);
- explain();
+ unexpected(*argv);
return -1;
}
action = TCA_VLAN_ACT_MODIFY;
} else if (matches(*argv, "id") == 0) {
- if (!has_push_attribs(action)) {
- fprintf(stderr, "\"%s\" is only valid for push/modify\n",
- *argv);
- explain();
- return -1;
- }
+ if (!has_push_attribs(action))
+ invarg("only valid for push/modify", *argv);
+
NEXT_ARG();
if (get_u16(&id, *argv, 0))
invarg("id is invalid", *argv);
id_set = 1;
} else if (matches(*argv, "protocol") == 0) {
- if (!has_push_attribs(action)) {
- fprintf(stderr, "\"%s\" is only valid for push/modify\n",
- *argv);
- explain();
- return -1;
- }
+ if (!has_push_attribs(action))
+ invarg("only valid for push/modify", *argv);
+
NEXT_ARG();
if (ll_proto_a2n(&proto, *argv))
invarg("protocol is invalid", *argv);
proto_set = 1;
} else if (matches(*argv, "priority") == 0) {
- if (!has_push_attribs(action)) {
- fprintf(stderr, "\"%s\" is only valid for push/modify\n",
- *argv);
- explain();
- return -1;
- }
+ if (!has_push_attribs(action))
+ invarg("only valid for push/modify", *argv);
+
NEXT_ARG();
if (get_u8(&prio, *argv, 0) || (prio & ~0x7))
invarg("prio is invalid", *argv);
}
parm.v_action = action;
- tail = NLMSG_TAIL(n);
- addattr_l(n, MAX_MSG, tca_id, NULL, 0);
+ tail = addattr_nest(n, MAX_MSG, tca_id);
addattr_l(n, MAX_MSG, TCA_VLAN_PARMS, &parm, sizeof(parm));
if (id_set)
addattr_l(n, MAX_MSG, TCA_VLAN_PUSH_VLAN_ID, &id, 2);
if (prio_set)
addattr8(n, MAX_MSG, TCA_VLAN_PUSH_VLAN_PRIORITY, prio);
- tail->rta_len = (char *)NLMSG_TAIL(n) - (char *)tail;
+ addattr_nest_end(n, tail);
*argc_p = argc;
*argv_p = argv;
parm = RTA_DATA(tb[TCA_VLAN_PARMS]);
print_string(PRINT_ANY, "kind", "%s ", "vlan");
- print_string(PRINT_ANY, "vlan_action", " %s", action_names[parm->v_action]);
+ print_string(PRINT_ANY, "vlan_action", " %s",
+ action_names[parm->v_action]);
switch (parm->v_action) {
case TCA_VLAN_ACT_PUSH:
print_uint(PRINT_ANY, "id", " id %u", val);
}
if (tb[TCA_VLAN_PUSH_VLAN_PROTOCOL]) {
+ __u16 proto;
+
+ proto = rta_getattr_u16(tb[TCA_VLAN_PUSH_VLAN_PROTOCOL]);
print_string(PRINT_ANY, "protocol", " protocol %s",
- ll_proto_n2a(rta_getattr_u16(tb[TCA_VLAN_PUSH_VLAN_PROTOCOL]),
- b1, sizeof(b1)));
+ ll_proto_n2a(proto, b1, sizeof(b1)));
}
if (tb[TCA_VLAN_PUSH_VLAN_PRIORITY]) {
val = rta_getattr_u8(tb[TCA_VLAN_PUSH_VLAN_PRIORITY]);