mlx4_core: Get ethernet MTU and default address from firmware

Get maximum ethernet MTU and default MAC address from the firmware
QUERY_DEV_CAP command.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

4 files changed, 17 insertions, 8 deletions

diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index 40d8142c23b2..8d402db9a03d 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -346,7 +346,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
                         MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
                         dev_cap->max_vl[i]         = field >> 4;
                         MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
-                        dev_cap->max_mtu[i]        = field >> 4;
+                        dev_cap->ib_mtu[i]         = field >> 4;
                         dev_cap->max_port_width[i] = field & 0xf;
                         MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
                         dev_cap->max_gids[i]       = 1 << (field & 0xf);
@@ -355,8 +355,10 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
                 }
         } else {
 #define QUERY_PORT_MTU_OFFSET                   0x01
+#define QUERY_PORT_ETH_MTU_OFFSET               0x02
 #define QUERY_PORT_WIDTH_OFFSET                 0x06
 #define QUERY_PORT_MAX_GID_PKEY_OFFSET          0x07
+#define QUERY_PORT_MAC_OFFSET                   0x08
 #define QUERY_PORT_MAX_MACVLAN_OFFSET           0x0a
 #define QUERY_PORT_MAX_VL_OFFSET                0x0b
 
@@ -367,7 +369,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
                                 goto out;
 
                         MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
-                        dev_cap->max_mtu[i]        = field & 0xf;
+                        dev_cap->ib_mtu[i]         = field & 0xf;
                         MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
                         dev_cap->max_port_width[i] = field & 0xf;
                         MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
@@ -378,7 +380,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
                         MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
                         dev_cap->log_max_macs[i]  = field & 0xf;
                         dev_cap->log_max_vlans[i] = field >> 4;
-
+                        MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET);
+                        MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET);
                 }
         }
 
@@ -412,7 +415,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
         mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
                  dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
         mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
-                 dev_cap->local_ca_ack_delay, 128 << dev_cap->max_mtu[1],
+                 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1],
                  dev_cap->max_port_width[1]);
         mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
                  dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
@@ -824,7 +827,7 @@ int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
                 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
                 MLX4_PUT(inbox, flags,            INIT_PORT_FLAGS_OFFSET);
 
-                field = 128 << dev->caps.mtu_cap[port];
+                field = 128 << dev->caps.ib_mtu_cap[port];
                 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
                 field = dev->caps.gid_table_len[port];
                 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
diff --git a/drivers/net/mlx4/fw.h b/drivers/net/mlx4/fw.h
index c34e726d66e4..d0913d4d262a 100644
--- a/drivers/net/mlx4/fw.h
+++ b/drivers/net/mlx4/fw.h
@@ -66,11 +66,13 @@ struct mlx4_dev_cap {
         int local_ca_ack_delay;
         int num_ports;
         u32 max_msg_sz;
-        int max_mtu[MLX4_MAX_PORTS + 1];
+        int ib_mtu[MLX4_MAX_PORTS + 1];
         int max_port_width[MLX4_MAX_PORTS + 1];
         int max_vl[MLX4_MAX_PORTS + 1];
         int max_gids[MLX4_MAX_PORTS + 1];
         int max_pkeys[MLX4_MAX_PORTS + 1];
+        u64 def_mac[MLX4_MAX_PORTS + 1];
+        u16 eth_mtu[MLX4_MAX_PORTS + 1];
         u16 stat_rate_support;
         u32 flags;
         int reserved_uars;
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 560e1962212e..28f36b88de38 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -133,10 +133,12 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
         dev->caps.num_ports          = dev_cap->num_ports;
         for (i = 1; i <= dev->caps.num_ports; ++i) {
                 dev->caps.vl_cap[i]         = dev_cap->max_vl[i];
-                dev->caps.mtu_cap[i]        = dev_cap->max_mtu[i];
+                dev->caps.ib_mtu_cap[i]     = dev_cap->ib_mtu[i];
                 dev->caps.gid_table_len[i]  = dev_cap->max_gids[i];
                 dev->caps.pkey_table_len[i] = dev_cap->max_pkeys[i];
                 dev->caps.port_width_cap[i] = dev_cap->max_port_width[i];
+                dev->caps.eth_mtu_cap[i]    = dev_cap->eth_mtu[i];
+                dev->caps.def_mac[i]        = dev_cap->def_mac[i];
         }
 
         dev->caps.num_uars           = dev_cap->uar_size / PAGE_SIZE;
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 693f93cd29e1..f9e73cfc540b 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -166,7 +166,9 @@ struct mlx4_caps {
         u64                     fw_ver;
         int                     num_ports;
         int                     vl_cap[MLX4_MAX_PORTS + 1];
-        int                     mtu_cap[MLX4_MAX_PORTS + 1];
+        int                     ib_mtu_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];
         int                     pkey_table_len[MLX4_MAX_PORTS + 1];
         int                     local_ca_ack_delay;