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authorDivy Le Ray <divy@chelsio.com>2007-03-18 13:10:06 -0700
committerJeff Garzik <jeff@garzik.org>2007-03-23 01:48:33 -0400
commit2e2839627a957714808f98a802d137a7a2a1df46 (patch)
tree7c001eeb3a45b9f31da3862acbfc11633eea3914 /drivers/net
parent05b97b30b09ed245d376035cddf669532e5cca67 (diff)
cxgb3 - Auto-load FW if mismatch detected
The driver attempts to upgrade the FW if the card has the wrong version. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/Kconfig1
-rw-r--r--drivers/net/cxgb3/cxgb3_main.c25
-rw-r--r--drivers/net/cxgb3/t3_hw.c5
3 files changed, 29 insertions, 2 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 5ff0922e628..1b6459b218c 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2374,6 +2374,7 @@ config CHELSIO_T1_NAPI
config CHELSIO_T3
tristate "Chelsio Communications T3 10Gb Ethernet support"
depends on PCI
+ select FW_LOADER
help
This driver supports Chelsio T3-based gigabit and 10Gb Ethernet
adapters.
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index eb0a4e06820..b9bcda821f7 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -42,6 +42,7 @@
#include <linux/workqueue.h>
#include <linux/proc_fs.h>
#include <linux/rtnetlink.h>
+#include <linux/firmware.h>
#include <asm/uaccess.h>
#include "common.h"
@@ -707,6 +708,28 @@ static void bind_qsets(struct adapter *adap)
}
}
+#define FW_FNAME "t3fw-%d.%d.bin"
+
+static int upgrade_fw(struct adapter *adap)
+{
+ int ret;
+ char buf[64];
+ const struct firmware *fw;
+ struct device *dev = &adap->pdev->dev;
+
+ snprintf(buf, sizeof(buf), FW_FNAME, FW_VERSION_MAJOR,
+ FW_VERSION_MINOR);
+ ret = request_firmware(&fw, buf, dev);
+ if (ret < 0) {
+ dev_err(dev, "could not upgrade firmware: unable to load %s\n",
+ buf);
+ return ret;
+ }
+ ret = t3_load_fw(adap, fw->data, fw->size);
+ release_firmware(fw);
+ return ret;
+}
+
/**
* cxgb_up - enable the adapter
* @adapter: adapter being enabled
@@ -723,6 +746,8 @@ static int cxgb_up(struct adapter *adap)
if (!(adap->flags & FULL_INIT_DONE)) {
err = t3_check_fw_version(adap);
+ if (err == -EINVAL)
+ err = upgrade_fw(adap);
if (err)
goto out;
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index eaa7a2e89a3..983ee813c7e 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -681,7 +681,8 @@ enum {
SF_ERASE_SECTOR = 0xd8, /* erase sector */
FW_FLASH_BOOT_ADDR = 0x70000, /* start address of FW in flash */
- FW_VERS_ADDR = 0x77ffc /* flash address holding FW version */
+ FW_VERS_ADDR = 0x77ffc, /* flash address holding FW version */
+ FW_MIN_SIZE = 8 /* at least version and csum */
};
/**
@@ -935,7 +936,7 @@ int t3_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size)
const u32 *p = (const u32 *)fw_data;
int ret, addr, fw_sector = FW_FLASH_BOOT_ADDR >> 16;
- if (size & 3)
+ if ((size & 3) || size < FW_MIN_SIZE)
return -EINVAL;
if (size > FW_VERS_ADDR + 8 - FW_FLASH_BOOT_ADDR)
return -EFBIG;