From: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org
Subject: [PATCH 2/7] mlx4: Query for loopback support
Date: Thu, 01 Oct 2009 16:33:27 +0200 [thread overview]
Message-ID: <4AC4BDB7.2040306@mellanox.co.il> (raw)
The fw reports whether loopback capabilities are enabled
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
---
drivers/net/mlx4/fw.c | 3 +++
drivers/net/mlx4/fw.h | 1 +
drivers/net/mlx4/main.c | 1 +
include/linux/mlx4/device.h | 1 +
4 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index cee199c..50f1ee8 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -176,6 +176,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
#define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b
#define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c
#define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f
+#define QUERY_DEV_CAP_ETH_UC_LOOPBACK_OFFSET 0x43
#define QUERY_DEV_CAP_FLAGS_OFFSET 0x44
#define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48
#define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49
@@ -266,6 +267,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev_cap->max_msg_sz = 1 << (field & 0x1f);
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_ETH_UC_LOOPBACK_OFFSET);
+ dev_cap->loopback_support = field & 0x1;
MLX4_GET(dev_cap->flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
dev_cap->reserved_uars = field >> 4;
diff --git a/drivers/net/mlx4/fw.h b/drivers/net/mlx4/fw.h
index 526d7f3..2cc1ba5 100644
--- a/drivers/net/mlx4/fw.h
+++ b/drivers/net/mlx4/fw.h
@@ -74,6 +74,7 @@ struct mlx4_dev_cap {
u64 def_mac[MLX4_MAX_PORTS + 1];
u16 eth_mtu[MLX4_MAX_PORTS + 1];
u16 stat_rate_support;
+ int loopback_support;
u32 flags;
int reserved_uars;
int uar_size;
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 348b09b..e291a5c 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -220,6 +220,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev->caps.bmme_flags = dev_cap->bmme_flags;
dev->caps.reserved_lkey = dev_cap->reserved_lkey;
dev->caps.stat_rate_support = dev_cap->stat_rate_support;
+ dev->caps.loopback_support = dev_cap->loopback_support;
dev->caps.max_gso_sz = dev_cap->max_gso_sz;
dev->caps.log_num_macs = log_num_mac;
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index e27a68d..7a423e7 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -228,6 +228,7 @@ struct mlx4_caps {
u32 bmme_flags;
u32 reserved_lkey;
u16 stat_rate_support;
+ int loopback_support;
u8 port_width_cap[MLX4_MAX_PORTS + 1];
int max_gso_sz;
int reserved_qps_cnt[MLX4_NUM_QP_REGION];
--
1.6.1.3
next reply other threads:[~2009-10-01 11:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-01 14:33 Yevgeny Petrilin [this message]
2009-10-01 20:34 ` [PATCH 2/7] mlx4: Query for loopback support David Miller
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