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Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r--drivers/net/tg3.c81
1 files changed, 50 insertions, 31 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 5e2dbaee125b..8b3f84685387 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7535,11 +7535,58 @@ static int tg3_test_msi(struct tg3 *tp)
return err;
}
+static int tg3_request_firmware(struct tg3 *tp)
+{
+ const __be32 *fw_data;
+
+ if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
+ printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n",
+ tp->dev->name, tp->fw_needed);
+ return -ENOENT;
+ }
+
+ fw_data = (void *)tp->fw->data;
+
+ /* Firmware blob starts with version numbers, followed by
+ * start address and _full_ length including BSS sections
+ * (which must be longer than the actual data, of course
+ */
+
+ tp->fw_len = be32_to_cpu(fw_data[2]); /* includes bss */
+ if (tp->fw_len < (tp->fw->size - 12)) {
+ printk(KERN_ERR "%s: bogus length %d in \"%s\"\n",
+ tp->dev->name, tp->fw_len, tp->fw_needed);
+ release_firmware(tp->fw);
+ tp->fw = NULL;
+ return -EINVAL;
+ }
+
+ /* We no longer need firmware; we have it. */
+ tp->fw_needed = NULL;
+ return 0;
+}
+
static int tg3_open(struct net_device *dev)
{
struct tg3 *tp = netdev_priv(dev);
int err;
+ if (tp->fw_needed) {
+ err = tg3_request_firmware(tp);
+ if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
+ if (err)
+ return err;
+ } else if (err) {
+ printk(KERN_WARNING "%s: TSO capability disabled.\n",
+ tp->dev->name);
+ tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
+ } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
+ printk(KERN_NOTICE "%s: TSO capability restored.\n",
+ tp->dev->name);
+ tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
+ }
+ }
+
netif_carrier_off(tp->dev);
err = tg3_set_power_state(tp, PCI_D0);
@@ -12934,7 +12981,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
struct net_device *dev;
struct tg3 *tp;
int err, pm_cap;
- const char *fw_name = NULL;
char str[40];
u64 dma_mask, persist_dma_mask;
@@ -13091,7 +13137,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
tg3_init_bufmgr_config(tp);
if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
- fw_name = FIRMWARE_TG3;
+ tp->fw_needed = FIRMWARE_TG3;
if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
@@ -13104,37 +13150,10 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
} else {
tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
- }
- if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
- fw_name = FIRMWARE_TG3TSO5;
+ tp->fw_needed = FIRMWARE_TG3TSO5;
else
- fw_name = FIRMWARE_TG3TSO;
- }
-
- if (fw_name) {
- const __be32 *fw_data;
-
- err = request_firmware(&tp->fw, fw_name, &tp->pdev->dev);
- if (err) {
- printk(KERN_ERR "tg3: Failed to load firmware \"%s\"\n",
- fw_name);
- goto err_out_iounmap;
- }
-
- fw_data = (void *)tp->fw->data;
-
- /* Firmware blob starts with version numbers, followed by
- start address and _full_ length including BSS sections
- (which must be longer than the actual data, of course */
-
- tp->fw_len = be32_to_cpu(fw_data[2]); /* includes bss */
- if (tp->fw_len < (tp->fw->size - 12)) {
- printk(KERN_ERR "tg3: bogus length %d in \"%s\"\n",
- tp->fw_len, fw_name);
- err = -EINVAL;
- goto err_out_fw;
- }
+ tp->fw_needed = FIRMWARE_TG3TSO;
}
/* TSO is on by default on chips that support hardware TSO.
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