diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index 2b3707a..013b4cb 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -229,6 +229,7 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
struct ifla_vf_vlan *vf_vlan;
struct ifla_vf_tx_rate *vf_tx_rate;
struct ifla_vf_spoofchk *vf_spoofchk;
+ struct ifla_vf_link_state *vf_linkstate;
struct rtattr *vf[IFLA_VF_MAX+1];
struct rtattr *tmp;
SPRINT_BUF(b1);
@@ -255,6 +256,20 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
else
vf_spoofchk = RTA_DATA(vf[IFLA_VF_SPOOFCHK]);
+ if (vf_spoofchk) {
+ /* Check if the link state vf info type is supported by
+ * this kernel.
+ */
+ tmp = (struct rtattr *)((char *)vf[IFLA_VF_SPOOFCHK] +
+ vf[IFLA_VF_SPOOFCHK]->rta_len);
+
+ if (tmp->rta_type != IFLA_VF_LINK_STATE)
+ vf_linkstate = NULL;
+ else
+ vf_linkstate = RTA_DATA(vf[IFLA_VF_LINK_STATE]);
+ } else
+ vf_linkstate = NULL;
+
fprintf(fp, "\n vf %d MAC %s", vf_mac->vf,
ll_addr_n2a((unsigned char *)&vf_mac->mac,
ETH_ALEN, 0, b1, sizeof(b1)));
@@ -270,6 +285,14 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
else
fprintf(fp, ", spoof checking off");
}
+ if (vf_linkstate) {
+ if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_AUTO)
+ fprintf(fp, ", link-state auto");
+ else if (vf_linkstate->link_state == IFLA_VF_LINK_STATE_ENABLE)
+ fprintf(fp, ", link-state enable");
+ else
+ fprintf(fp, ", link-state disable");
+ }
}
static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s) {
diff --git a/ip/iplink.c b/ip/iplink.c
index 15dd84f..f8bcd8c 100644
--- a/ip/iplink.c
+++ b/ip/iplink.c
@@ -77,6 +77,7 @@ void iplink_usage(void)
fprintf(stderr, " [ rate TXRATE ] ] \n");
fprintf(stderr, " [ spoofchk { on | off} ] ] \n");
+ fprintf(stderr, " [ state { auto | enable | disable} ] ]\n");
fprintf(stderr, " [ master DEVICE ]\n");
fprintf(stderr, " [ nomaster ]\n");
fprintf(stderr, " ip link show [ DEVICE | group GROUP ] [up]\n");
@@ -260,6 +261,19 @@ static int iplink_parse_vf(int vf, int *argcp, char ***argvp,
ivs.vf = vf;
addattr_l(&req->n, sizeof(*req), IFLA_VF_SPOOFCHK, &ivs, sizeof(ivs));
+ } else if (matches(*argv, "state") == 0) {
+ struct ifla_vf_link_state ivl;
+ NEXT_ARG();
+ if (matches(*argv, "auto") == 0)
+ ivl.link_state = IFLA_VF_LINK_STATE_AUTO;
+ else if (matches(*argv, "enable") == 0)
+ ivl.link_state = IFLA_VF_LINK_STATE_ENABLE;
+ else if (matches(*argv, "disable") == 0)
+ ivl.link_state = IFLA_VF_LINK_STATE_DISABLE;
+ else
+ invarg("Invalid \"state\" value\n", *argv);
+ ivl.vf = vf;
+ addattr_l(&req->n, sizeof(*req), IFLA_VF_LINK_STATE, &ivl, sizeof(ivl));
} else {
/* rewind arg */
PREV_ARG();
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 9a31d6b..20092a7 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -362,6 +362,18 @@ struct ifla_vf_spoofchk {
__u32 setting;
};
+enum {
+ IFLA_VF_LINK_STATE_AUTO, /* link state of the uplink */
+ IFLA_VF_LINK_STATE_ENABLE, /* link always up */
+ IFLA_VF_LINK_STATE_DISABLE, /* link always down */
+ __IFLA_VF_LINK_STATE_MAX,
+};
+
+struct ifla_vf_link_state {
+ __u32 vf;
+ __u32 link_state;
+};
+
/* VF ports management section
*
* Nested layout of set/get msg is:
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 20092a7..4877906 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -336,6 +336,7 @@ enum {
IFLA_VF_VLAN,
IFLA_VF_TX_RATE, /* TX Bandwidth Allocation */
IFLA_VF_SPOOFCHK, /* Spoof Checking on/off switch */
+ IFLA_VF_LINK_STATE, /* link state enable/disable/auto switch */
__IFLA_VF_MAX,
};