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-rw-r--r--drivers/net/mlx4/main.c8
-rw-r--r--drivers/net/mlx4/mlx4.h1
-rw-r--r--drivers/net/mlx4/port.c39
-rw-r--r--include/linux/mlx4/device.h1
4 files changed, 48 insertions, 1 deletions
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 468921b8f4b..90a0281d15e 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -753,6 +753,7 @@ static int mlx4_setup_hca(struct mlx4_dev *dev)
struct mlx4_priv *priv = mlx4_priv(dev);
int err;
int port;
+ __be32 ib_port_default_caps;
err = mlx4_init_uar_table(dev);
if (err) {
@@ -852,6 +853,13 @@ static int mlx4_setup_hca(struct mlx4_dev *dev)
}
for (port = 1; port <= dev->caps.num_ports; port++) {
+ ib_port_default_caps = 0;
+ err = mlx4_get_port_ib_caps(dev, port, &ib_port_default_caps);
+ if (err)
+ mlx4_warn(dev, "failed to get port %d default "
+ "ib capabilities (%d). Continuing with "
+ "caps = 0\n", port, err);
+ dev->caps.ib_port_def_cap[port] = ib_port_default_caps;
err = mlx4_SET_PORT(dev, port);
if (err) {
mlx4_err(dev, "Failed to set port %d, aborting\n",
diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
index 56a2e213fe6..34c909deaff 100644
--- a/drivers/net/mlx4/mlx4.h
+++ b/drivers/net/mlx4/mlx4.h
@@ -385,5 +385,6 @@ void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port);
+int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
#endif /* MLX4_H */
diff --git a/drivers/net/mlx4/port.c b/drivers/net/mlx4/port.c
index e2fdab42c4c..0a057e5dc63 100644
--- a/drivers/net/mlx4/port.c
+++ b/drivers/net/mlx4/port.c
@@ -258,6 +258,42 @@ out:
}
EXPORT_SYMBOL_GPL(mlx4_unregister_vlan);
+int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps)
+{
+ struct mlx4_cmd_mailbox *inmailbox, *outmailbox;
+ u8 *inbuf, *outbuf;
+ int err;
+
+ inmailbox = mlx4_alloc_cmd_mailbox(dev);
+ if (IS_ERR(inmailbox))
+ return PTR_ERR(inmailbox);
+
+ outmailbox = mlx4_alloc_cmd_mailbox(dev);
+ if (IS_ERR(outmailbox)) {
+ mlx4_free_cmd_mailbox(dev, inmailbox);
+ return PTR_ERR(outmailbox);
+ }
+
+ inbuf = inmailbox->buf;
+ outbuf = outmailbox->buf;
+ memset(inbuf, 0, 256);
+ memset(outbuf, 0, 256);
+ inbuf[0] = 1;
+ inbuf[1] = 1;
+ inbuf[2] = 1;
+ inbuf[3] = 1;
+ *(__be16 *) (&inbuf[16]) = cpu_to_be16(0x0015);
+ *(__be32 *) (&inbuf[20]) = cpu_to_be32(port);
+
+ err = mlx4_cmd_box(dev, inmailbox->dma, outmailbox->dma, port, 3,
+ MLX4_CMD_MAD_IFC, MLX4_CMD_TIME_CLASS_C);
+ if (!err)
+ *caps = *(__be32 *) (outbuf + 84);
+ mlx4_free_cmd_mailbox(dev, inmailbox);
+ mlx4_free_cmd_mailbox(dev, outmailbox);
+ return err;
+}
+
int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port)
{
struct mlx4_cmd_mailbox *mailbox;
@@ -273,7 +309,8 @@ int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port)
((u8 *) mailbox->buf)[3] = 6;
((__be16 *) mailbox->buf)[4] = cpu_to_be16(1 << 15);
((__be16 *) mailbox->buf)[6] = cpu_to_be16(1 << 15);
- }
+ } else
+ ((__be32 *) mailbox->buf)[1] = dev->caps.ib_port_def_cap[port];
err = mlx4_cmd(dev, mailbox->dma, port, is_eth, MLX4_CMD_SET_PORT,
MLX4_CMD_TIME_CLASS_B);
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index bd9977b8949..371086fd946 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -179,6 +179,7 @@ struct mlx4_caps {
int num_ports;
int vl_cap[MLX4_MAX_PORTS + 1];
int ib_mtu_cap[MLX4_MAX_PORTS + 1];
+ __be32 ib_port_def_cap[MLX4_MAX_PORTS + 1];
u64 def_mac[MLX4_MAX_PORTS + 1];
int eth_mtu_cap[MLX4_MAX_PORTS + 1];
int gid_table_len[MLX4_MAX_PORTS + 1];