From: Eugenia Emantayev Date: Tue, 23 Apr 2013 06:06:47 +0000 (+0000) Subject: net/mlx4_core: Add timestamping device capability X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d998735f443427c1530cac5eeda0a45c8cb60a57;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git 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 Signed-off-by: Or Gerlitz Signed-off-by: Amir Vadai Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index ab470d991ad..f1e70979b4c 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; diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 1bc5a750b33..86ae260c2e5 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -152,7 +152,8 @@ enum { MLX4_DEV_CAP_FLAG2_RSS_TOP = 1LL << 1, MLX4_DEV_CAP_FLAG2_RSS_XOR = 1LL << 2, MLX4_DEV_CAP_FLAG2_FS_EN = 1LL << 3, - MLX4_DEV_CAP_FLAGS2_REASSIGN_MAC_EN = 1LL << 4 + MLX4_DEV_CAP_FLAGS2_REASSIGN_MAC_EN = 1LL << 4, + MLX4_DEV_CAP_FLAG2_TS = 1LL << 5 }; enum {