From mboxrd@z Thu Jan 1 00:00:00 1970 From: Or Gerlitz Subject: [PATCH V1 1/3] net/mlx4_core: Add timestamping device capability Date: Tue, 9 Oct 2012 17:20:11 +0200 Message-ID: <1349796013-31106-2-git-send-email-ogerlitz@mellanox.com> References: <1349796013-31106-1-git-send-email-ogerlitz@mellanox.com> Cc: netdev@vger.kernel.org, Eugenia Emantayev , Or Gerlitz To: davem@davemloft.net Return-path: Received: from eu1sys200aog120.obsmtp.com ([207.126.144.149]:41815 "HELO eu1sys200aog120.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751089Ab2JIPUn (ORCPT ); Tue, 9 Oct 2012 11:20:43 -0400 In-Reply-To: <1349796013-31106-1-git-send-email-ogerlitz@mellanox.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Eugenia Emantayev Add new device capability for timestamping support and query FW to retrieve it. Signed-off-by: Eugenia Emantayev Reviewed-by: Yevgeny Petrilin Signed-off-by: Or Gerlitz --- drivers/net/ethernet/mellanox/mlx4/fw.c | 7 ++++++- include/linux/mlx4/device.h | 3 ++- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 4f30b99..01bc49b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -125,7 +125,8 @@ static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags) [0] = "RSS support", [1] = "RSS Toeplitz Hash Function support", [2] = "RSS XOR Hash Function support", - [3] = "Device manage flow steering support" + [3] = "Device manage flow steering support", + [4] = "Time stamping support" }; int i; @@ -439,6 +440,7 @@ 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 @@ -554,6 +556,9 @@ 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 6d1acb0..dbdcc64 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -148,7 +148,8 @@ enum { MLX4_DEV_CAP_FLAG2_RSS = 1LL << 0, 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_FLAG2_FS_EN = 1LL << 3, + MLX4_DEV_CAP_FLAG2_TS = 1LL << 4 }; #define MLX4_ATTR_EXTENDED_PORT_INFO cpu_to_be16(0xff90) -- 1.7.1