net/mlx4_en: Add interface identify support

Add support for the interface ethtool identify feature.

Make the physical port LED to blink with green and yellow colors.

The device handles the LED blink by itself (synchrous use of
set_phys_id), by returning 0 to ETHTOOL_ID_ACTIVE command.

Signed-off-by: Eyal Grossman <eyalgr@mellanox.com>
Signed-off-by: Ido Shamay <idos@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h
index 62c4d4def474..f62e7cf227c6 100644
--- a/include/linux/mlx4/cmd.h
+++ b/include/linux/mlx4/cmd.h
@@ -191,6 +191,7 @@ enum {
         /* Set port opcode modifiers */
         MLX4_SET_PORT_IB_OPCODE         = 0x0,
         MLX4_SET_PORT_ETH_OPCODE        = 0x1,
+        MLX4_SET_PORT_BEACON_OPCODE     = 0x4,
 };
 
 enum {
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 15f46767342e..b761be7c88c8 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -208,6 +208,7 @@ enum {
         MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN         = 1LL <<  24,
         MLX4_DEV_CAP_FLAG2_QOS_VPP              = 1LL <<  25,
         MLX4_DEV_CAP_FLAG2_ETS_CFG              = 1LL <<  26,
+        MLX4_DEV_CAP_FLAG2_PORT_BEACON          = 1LL <<  27,
 };
 
 enum {
@@ -1311,6 +1312,7 @@ int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
                           u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx);
 int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
                            u8 promisc);
+int mlx4_SET_PORT_BEACON(struct mlx4_dev *dev, u8 port, u16 time);
 int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering, int enable);
 int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx);
 int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);