enic: Add ndo_set_vf_mac support for enic dynamic devices

This patch implements the ndo_set_vf_mac netdev operation for enic
dynamic devices. It treats the mac address set by IFLA_VF_MAC as a
special case to use it in the port profile provisioning data.

Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: David Wang <dwang2@cisco.com>
Signed-off-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h
index 8f374c1..bd473a9 100644 (file)
--- a/drivers/net/enic/enic.h
+++ b/drivers/net/enic/enic.h
@@ -32,7 +32,7 @@
 
 #define DRV_NAME               "enic"
 #define DRV_DESCRIPTION                "Cisco VIC Ethernet NIC Driver"
-#define DRV_VERSION            "1.4.1.8"
+#define DRV_VERSION            "1.4.1.9"
 #define DRV_COPYRIGHT          "Copyright 2008-2010 Cisco Systems, Inc"
 
 #define ENIC_BARS_MAX          6
@@ -61,6 +61,7 @@ struct enic_port_profile {
        char name[PORT_PROFILE_MAX];
        u8 instance_uuid[PORT_UUID_MAX];
        u8 host_uuid[PORT_UUID_MAX];
+       u8 vf_mac[ETH_ALEN];
 };
 
 /* Per-instance private data structure */

diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index 1931f15..ddeffb5 100644 (file)
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -1231,6 +1231,23 @@ static int enic_dev_init_done(struct enic *enic, int *done, int *error)
        return err;
 }
 
+static int enic_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
+{
+       struct enic *enic = netdev_priv(netdev);
+
+       if (vf != PORT_SELF_VF)
+               return -EOPNOTSUPP;
+
+       /* Ignore the vf argument for now. We can assume the request
+        * is coming on a vf.
+        */
+       if (is_valid_ether_addr(mac)) {
+               memcpy(enic->pp.vf_mac, mac, ETH_ALEN);
+               return 0;
+       } else
+               return -EINVAL;
+}
+
 static int enic_set_port_profile(struct enic *enic, u8 *mac)
 {
        struct vic_provinfo *vp;
@@ -2411,6 +2428,9 @@ static const struct net_device_ops enic_netdev_dynamic_ops = {
        .ndo_tx_timeout         = enic_tx_timeout,
        .ndo_set_vf_port        = enic_set_vf_port,
        .ndo_get_vf_port        = enic_get_vf_port,
+#ifdef IFLA_VF_MAX
+       .ndo_set_vf_mac         = enic_set_vf_mac,
+#endif
 #ifdef CONFIG_NET_POLL_CONTROLLER
        .ndo_poll_controller    = enic_poll_controller,
 #endif