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authorYevgeny Petrilin <yevgenyp@mellanox.co.il>2011-12-19 04:00:26 +0000
committerDavid S. Miller <davem@davemloft.net>2011-12-19 14:57:06 -0500
commit58a60168d12c4e5be21c29420a3de4a41ef3470f (patch)
tree407a7f5c7ef86a4346577ce1860bf686d40d4b93
parent9f6e20cee6253c4ca5faacba8dbd09ebe70132ed (diff)
downloadblackbird-op-linux-58a60168d12c4e5be21c29420a3de4a41ef3470f.tar.gz
blackbird-op-linux-58a60168d12c4e5be21c29420a3de4a41ef3470f.zip
mlx4: capability for link sensing
For ConnectX3 devices, we allow link sensing only if FW explicitly reported it supports the feature. For older versions (ConnectX1 and 2), if the card supports both link layer types (Ethenet and Infiniband), link sensing is supported. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/main.c10
-rw-r--r--include/linux/mlx4/device.h3
2 files changed, 10 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index b969bfb569e3..8f7314394cc2 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -274,6 +274,10 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev->caps.stat_rate_support = dev_cap->stat_rate_support;
dev->caps.max_gso_sz = dev_cap->max_gso_sz;
+ /* Sense port always allowed on supported devices for ConnectX1 and 2 */
+ if (dev->pdev->device != 0x1003)
+ dev->caps.flags |= MLX4_DEV_CAP_FLAG_SENSE_SUPPORT;
+
dev->caps.log_num_macs = log_num_mac;
dev->caps.log_num_vlans = MLX4_LOG_NUM_VLANS;
dev->caps.log_num_prios = use_prio ? 3 : 0;
@@ -311,7 +315,8 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
}
dev->caps.possible_type[i] = dev->caps.port_type[i];
mlx4_priv(dev)->sense.sense_allowed[i] =
- dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO;
+ ((dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO) &&
+ (dev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT));
if (dev->caps.log_num_macs > dev_cap->log_max_macs[i]) {
dev->caps.log_num_macs = dev_cap->log_max_macs[i];
@@ -583,7 +588,8 @@ static ssize_t set_port_type(struct device *dev,
types[i] = mdev->caps.port_type[i+1];
}
- if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) {
+ if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) &&
+ !(mdev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)) {
for (i = 1; i <= mdev->caps.num_ports; i++) {
if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) {
mdev->caps.possible_type[i] = mdev->caps.port_type[i];
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 5f784ff6a36e..b06a44ba1565 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -94,7 +94,8 @@ enum {
MLX4_DEV_CAP_FLAG_UDP_RSS = 1LL << 40,
MLX4_DEV_CAP_FLAG_VEP_UC_STEER = 1LL << 41,
MLX4_DEV_CAP_FLAG_VEP_MC_STEER = 1LL << 42,
- MLX4_DEV_CAP_FLAG_COUNTERS = 1LL << 48
+ MLX4_DEV_CAP_FLAG_COUNTERS = 1LL << 48,
+ MLX4_DEV_CAP_FLAG_SENSE_SUPPORT = 1LL << 55
};
#define MLX4_ATTR_EXTENDED_PORT_INFO cpu_to_be16(0xff90)
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