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authorJack Morgenstein <jackm@dev.mellanox.co.il>2015-01-27 16:57:59 +0300
committerDavid S. Miller <davem@davemloft.net>2015-01-28 04:12:57 +0300
commitbe6a6b43b597a37d96dbf74985f72045ccef0940 (patch)
treec71e0787f3229ae6ac728911a9edab949e0c55d5 /drivers/net/ethernet/mellanox/mlx4/fw.c
parent4967082b469320eeba54ffbca632af1962858fb7 (diff)
downloadlinux-be6a6b43b597a37d96dbf74985f72045ccef0940.tar.xz
net/mlx4_core: Add bad-cable event support
If the firmware can detect a bad cable, allow it to generate an event, and print the problem in the log. Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/fw.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/fw.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index 982861d1df44..2eadc2882e4f 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -145,7 +145,8 @@ static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags)
[16] = "CONFIG DEV support",
[17] = "Asymmetric EQs support",
[18] = "More than 80 VFs support",
- [19] = "Performance optimized for limited rule configuration flow steering support"
+ [19] = "Performance optimized for limited rule configuration flow steering support",
+ [20] = "Recoverable error events support"
};
int i;
@@ -859,6 +860,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
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;
+ if (field32 & (1 << 7))
+ dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT;
MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC);
if (field & 1<<6)
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN;
@@ -1562,6 +1565,7 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
#define INIT_HCA_VXLAN_OFFSET 0x0c
#define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e
#define INIT_HCA_FLAGS_OFFSET 0x014
+#define INIT_HCA_RECOVERABLE_ERROR_EVENT_OFFSET 0x018
#define INIT_HCA_QPC_OFFSET 0x020
#define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10)
#define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17)
@@ -1668,6 +1672,9 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE;
}
+ if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT)
+ *(inbox + INIT_HCA_RECOVERABLE_ERROR_EVENT_OFFSET / 4) |= cpu_to_be32(1 << 31);
+
/* QPC/EEC/CQC/EQC/RDMARC attributes */
MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);