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authorEugenia Emantayev <eugenia@mellanox.com>2013-04-23 10:06:47 +0400
committerDavid S. Miller <davem@davemloft.net>2013-04-25 00:30:13 +0400
commitd998735f443427c1530cac5eeda0a45c8cb60a57 (patch)
tree79eadec3dff362d05e5f26e60dc3259ff335c8d0 /drivers
parent8bfadc32b7ef56ac6245b7ae0a06f5ece193004b (diff)
downloadlinux-d998735f443427c1530cac5eeda0a45c8cb60a57.tar.xz
net/mlx4_core: Add timestamping device capability
Add new device capability for timestamping support and query FW to retrieve it. Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/fw.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index ab470d991ade..f1e70979b4c1 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -130,7 +130,8 @@ static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags)
[1] = "RSS Toeplitz Hash Function support",
[2] = "RSS XOR Hash Function support",
[3] = "Device manage flow steering support",
- [4] = "Automatic mac reassignment support"
+ [4] = "Automatic MAC reassignment support",
+ [5] = "Time stamping support"
};
int i;
@@ -444,6 +445,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
#define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38
#define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
#define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
+#define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e
#define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
#define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40
#define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
@@ -560,6 +562,9 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev_cap->fs_max_num_qp_per_entry = field;
MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
dev_cap->stat_rate_support = stat_rate;
+ MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);
+ if (field & 0x80)
+ dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS;
MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);
MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
dev_cap->flags = flags | (u64)ext_flags << 32;