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-rw-r--r--include/linux/if_link.h1
-rw-r--r--include/linux/netdevice.h3
-rw-r--r--include/uapi/linux/if_link.h13
-rw-r--r--net/core/rtnetlink.c22
4 files changed, 37 insertions, 2 deletions
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index c3f817c3eb45..a86784dec3d3 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -12,5 +12,6 @@ struct ifla_vf_info {
__u32 qos;
__u32 tx_rate;
__u32 spoofchk;
+ __u32 linkstate;
};
#endif /* _LINUX_IF_LINK_H */
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 8c9fcc42502a..09b4188c1ea7 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -829,6 +829,7 @@ struct netdev_fcoe_hbainfo {
* int (*ndo_set_vf_spoofchk)(struct net_device *dev, int vf, bool setting);
* int (*ndo_get_vf_config)(struct net_device *dev,
* int vf, struct ifla_vf_info *ivf);
+ * int (*ndo_set_vf_link_state)(struct net_device *dev, int vf, int link_state);
* int (*ndo_set_vf_port)(struct net_device *dev, int vf,
* struct nlattr *port[]);
* int (*ndo_get_vf_port)(struct net_device *dev, int vf, struct sk_buff *skb);
@@ -986,6 +987,8 @@ struct net_device_ops {
int (*ndo_get_vf_config)(struct net_device *dev,
int vf,
struct ifla_vf_info *ivf);
+ int (*ndo_set_vf_link_state)(struct net_device *dev,
+ int vf, int link_state);
int (*ndo_set_vf_port)(struct net_device *dev,
int vf,
struct nlattr *port[]);
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index da05a2698cb5..03f6170ab337 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -338,6 +338,7 @@ 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,
};
@@ -364,6 +365,18 @@ 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/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 49c14451d8ab..9007533867f0 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -947,6 +947,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
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;
/*
* Not all SR-IOV capable drivers support the
@@ -956,18 +957,24 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
*/
ivi.spoofchk = -1;
memset(ivi.mac, 0, sizeof(ivi.mac));
+ /* The default value for VF link state is "auto"
+ * IFLA_VF_LINK_STATE_AUTO which equals zero
+ */
+ ivi.linkstate = 0;
if (dev->netdev_ops->ndo_get_vf_config(dev, i, &ivi))
break;
vf_mac.vf =
vf_vlan.vf =
vf_tx_rate.vf =
- vf_spoofchk.vf = ivi.vf;
+ vf_spoofchk.vf =
+ vf_linkstate.vf = ivi.vf;
memcpy(vf_mac.mac, ivi.mac, sizeof(ivi.mac));
vf_vlan.vlan = ivi.vlan;
vf_vlan.qos = ivi.qos;
vf_tx_rate.rate = ivi.tx_rate;
vf_spoofchk.setting = ivi.spoofchk;
+ vf_linkstate.link_state = ivi.linkstate;
vf = nla_nest_start(skb, IFLA_VF_INFO);
if (!vf) {
nla_nest_cancel(skb, vfinfo);
@@ -978,7 +985,9 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
nla_put(skb, IFLA_VF_TX_RATE, sizeof(vf_tx_rate),
&vf_tx_rate) ||
nla_put(skb, IFLA_VF_SPOOFCHK, sizeof(vf_spoofchk),
- &vf_spoofchk))
+ &vf_spoofchk) ||
+ nla_put(skb, IFLA_VF_LINK_STATE, sizeof(vf_linkstate),
+ &vf_linkstate))
goto nla_put_failure;
nla_nest_end(skb, vf);
}
@@ -1238,6 +1247,15 @@ static int do_setvfinfo(struct net_device *dev, struct nlattr *attr)
ivs->setting);
break;
}
+ case IFLA_VF_LINK_STATE: {
+ struct ifla_vf_link_state *ivl;
+ ivl = nla_data(vf);
+ err = -EOPNOTSUPP;
+ if (ops->ndo_set_vf_link_state)
+ err = ops->ndo_set_vf_link_state(dev, ivl->vf,
+ ivl->link_state);
+ break;
+ }
default:
err = -EINVAL;
break;