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authorJesse Brandeburg <jesse.brandeburg@intel.com>2006-01-17 15:01:06 -0800
committerJeff Garzik <jgarzik@pobox.com>2006-01-17 19:15:15 -0500
commit24180333206519e6b0c4633eab81e773b4527cac (patch)
tree903edfa6bac60f0583a69614503a6ee1af2711a4 /drivers/net/e100.c
parent2610c733023850be2db9fef9c81f851a64bb9f67 (diff)
downloadop-kernel-dev-24180333206519e6b0c4633eab81e773b4527cac.zip
op-kernel-dev-24180333206519e6b0c4633eab81e773b4527cac.tar.gz
[PATCH] e100: Fix TX hang and RMCP Ping issue (due to a microcode loading issue)
e100: Fix TX hang and RMCP Ping issue (due to a microcode loading issue) Set the end of list bit to cause the hardware's transmit state machine to work correctly and not prevent management (BMC) traffic. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: John Ronciak <john.ronciak@intel.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/net/e100.c')
-rw-r--r--drivers/net/e100.c44
1 files changed, 39 insertions, 5 deletions
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 4726722..67b9935 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -160,7 +160,7 @@
#define DRV_NAME "e100"
#define DRV_EXT "-NAPI"
-#define DRV_VERSION "3.4.14-k4"DRV_EXT
+#define DRV_VERSION "3.5.10-k2"DRV_EXT
#define DRV_DESCRIPTION "Intel(R) PRO/100 Network Driver"
#define DRV_COPYRIGHT "Copyright(c) 1999-2005 Intel Corporation"
#define PFX DRV_NAME ": "
@@ -1170,7 +1170,7 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
0x00000000, 0x00000000, 0x00000000, 0x00000000, \
}
-static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb)
+static void e100_setup_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb)
{
/* *INDENT-OFF* */
static struct {
@@ -1284,12 +1284,46 @@ static void e100_load_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb)
for (i = 0; i < UCODE_SIZE; i++)
cb->u.ucode[i] = cpu_to_le32(ucode[i]);
- cb->command = cpu_to_le16(cb_ucode);
+ cb->command = cpu_to_le16(cb_ucode | cb_el);
return;
}
noloaducode:
- cb->command = cpu_to_le16(cb_nop);
+ cb->command = cpu_to_le16(cb_nop | cb_el);
+}
+
+static inline int e100_exec_cb_wait(struct nic *nic, struct sk_buff *skb,
+ void (*cb_prepare)(struct nic *, struct cb *, struct sk_buff *))
+{
+ int err = 0, counter = 50;
+ struct cb *cb = nic->cb_to_clean;
+
+ if ((err = e100_exec_cb(nic, NULL, e100_setup_ucode)))
+ DPRINTK(PROBE,ERR, "ucode cmd failed with error %d\n", err);
+
+ /* must restart cuc */
+ nic->cuc_cmd = cuc_start;
+
+ /* wait for completion */
+ e100_write_flush(nic);
+ udelay(10);
+
+ /* wait for possibly (ouch) 500ms */
+ while (!(cb->status & cpu_to_le16(cb_complete))) {
+ msleep(10);
+ if (!--counter) break;
+ }
+
+ /* ack any interupts, something could have been set */
+ writeb(~0, &nic->csr->scb.stat_ack);
+
+ /* if the command failed, or is not OK, notify and return */
+ if (!counter || !(cb->status & cpu_to_le16(cb_ok))) {
+ DPRINTK(PROBE,ERR, "ucode load failed\n");
+ err = -EPERM;
+ }
+
+ return err;
}
static void e100_setup_iaaddr(struct nic *nic, struct cb *cb,
@@ -1388,7 +1422,7 @@ static int e100_hw_init(struct nic *nic)
return err;
if((err = e100_exec_cmd(nic, ruc_load_base, 0)))
return err;
- if((err = e100_exec_cb(nic, NULL, e100_load_ucode)))
+ if ((err = e100_exec_cb_wait(nic, NULL, e100_setup_ucode)))
return err;
if((err = e100_exec_cb(nic, NULL, e100_configure)))
return err;
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