myri10ge: allow per-board firmware overriding

Add myri10ge_fw_names to override the default firmware
on a per-board basis.

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 23 insertions, 2 deletions

diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index a833cdd85466..77de964fe676 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -255,6 +255,7 @@ struct myri10ge_priv {
         u32 read_write_dma;
         u32 link_changes;
         u32 msg_enable;
+        unsigned int board_number;
 };
 
 static char *myri10ge_fw_unaligned = "myri10ge_ethp_z8e.dat";
@@ -266,6 +267,13 @@ static char *myri10ge_fw_name = NULL;
 module_param(myri10ge_fw_name, charp, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(myri10ge_fw_name, "Firmware image name");
 
+#define MYRI10GE_MAX_BOARDS 8
+static char *myri10ge_fw_names[MYRI10GE_MAX_BOARDS] =
+    {[0...(MYRI10GE_MAX_BOARDS - 1)] = NULL };
+module_param_array_named(myri10ge_fw_names, myri10ge_fw_names, charp, NULL,
+                         0444);
+MODULE_PARM_DESC(myri10ge_fw_name, "Firmware image names per board");
+
 static int myri10ge_ecrc_enable = 1;
 module_param(myri10ge_ecrc_enable, int, S_IRUGO);
 MODULE_PARM_DESC(myri10ge_ecrc_enable, "Enable Extended CRC on PCI-E");
@@ -3259,6 +3267,8 @@ abort:
 
 static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
 {
+        int overridden = 0;
+
         if (myri10ge_force_firmware == 0) {
                 int link_width, exp_cap;
                 u16 lnk;
@@ -3292,10 +3302,18 @@ static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
                 }
         }
         if (myri10ge_fw_name != NULL) {
-                dev_info(&mgp->pdev->dev, "overriding firmware to %s\n",
-                         myri10ge_fw_name);
+                overridden = 1;
                 mgp->fw_name = myri10ge_fw_name;
         }
+        if (mgp->board_number < MYRI10GE_MAX_BOARDS &&
+            myri10ge_fw_names[mgp->board_number] != NULL &&
+            strlen(myri10ge_fw_names[mgp->board_number])) {
+                mgp->fw_name = myri10ge_fw_names[mgp->board_number];
+                overridden = 1;
+        }
+        if (overridden)
+                dev_info(&mgp->pdev->dev, "overriding firmware to %s\n",
+                         mgp->fw_name);
 }
 
 #ifdef CONFIG_PM
@@ -3760,6 +3778,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         int status = -ENXIO;
         int dac_enabled;
         unsigned hdr_offset, ss_offset;
+        static int board_number;
 
         netdev = alloc_etherdev_mq(sizeof(*mgp), MYRI10GE_MAX_SLICES);
         if (netdev == NULL) {
@@ -3776,6 +3795,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         mgp->pause = myri10ge_flow_control;
         mgp->intr_coal_delay = myri10ge_intr_coal_delay;
         mgp->msg_enable = netif_msg_init(myri10ge_debug, MYRI10GE_MSG_DEFAULT);
+        mgp->board_number = board_number;
         init_waitqueue_head(&mgp->down_wq);
 
         if (pci_enable_device(pdev)) {
@@ -3926,6 +3946,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                          netdev->irq, mgp->tx_boundary, mgp->fw_name,
                          (mgp->wc_enabled ? "Enabled" : "Disabled"));
 
+        board_number++;
         return 0;
 
 abort_with_state: