net/mlx4_core: Add ethernet backplane autoneg device capability
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index 6fd9b85..72289ef 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -140,7 +140,8 @@
[11] = "MAD DEMUX (Secure-Host) support",
[12] = "Large cache line (>64B) CQE stride support",
[13] = "Large cache line (>64B) EQE stride support",
- [14] = "Ethernet protocol control support"
+ [14] = "Ethernet protocol control support",
+ [15] = "Ethernet Backplane autoneg support"
};
int i;
@@ -575,6 +576,7 @@
#define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94
#define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98
#define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0
+#define QUERY_DEV_CAP_ETH_BACKPL_OFFSET 0x9c
#define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d
#define QUERY_DEV_CAP_VXLAN 0x9e
#define QUERY_DEV_CAP_MAD_DEMUX_OFFSET 0xb0
@@ -749,6 +751,9 @@
QUERY_DEV_CAP_BMME_FLAGS_OFFSET);
MLX4_GET(dev_cap->reserved_lkey, outbox,
QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
+ MLX4_GET(field32, outbox, QUERY_DEV_CAP_ETH_BACKPL_OFFSET);
+ if (field32 & (1 << 0))
+ dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP;
MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC);
if (field & 1<<6)
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN;
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 181cd9f..e4c136e 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -187,7 +187,8 @@
MLX4_DEV_CAP_FLAG2_MAD_DEMUX = 1LL << 11,
MLX4_DEV_CAP_FLAG2_CQE_STRIDE = 1LL << 12,
MLX4_DEV_CAP_FLAG2_EQE_STRIDE = 1LL << 13,
- MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL = 1LL << 14
+ MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL = 1LL << 14,
+ MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP = 1LL << 15
};
enum {