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| author | Eugenia Emantayev <eugenia@mellanox.com> | 2013-04-23 08:06:47 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-04-24 22:30:13 +0200 |
| commit | d998735f443427c1530cac5eeda0a45c8cb60a57 (patch) | |
| tree | 79eadec3dff362d05e5f26e60dc3259ff335c8d0 /drivers | |
| parent | Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/lin... (diff) | |
| download | linux-d998735f443427c1530cac5eeda0a45c8cb60a57.tar.xz linux-d998735f443427c1530cac5eeda0a45c8cb60a57.zip | |
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.c | 7 |
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; |