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[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>
This commit is contained in:
Jesse Brandeburg 2006-01-17 15:01:06 -08:00 committed by Jeff Garzik
parent 2610c73302
commit 2418033320
1 changed files with 39 additions and 5 deletions
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44
drivers/net/e100.c
View File

@ -160,7 +160,7 @@
#define DRV_NAME "e100" #define DRV_NAME "e100"
#define DRV_EXT "-NAPI" #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_DESCRIPTION "Intel(R) PRO/100 Network Driver"
#define DRV_COPYRIGHT "Copyright(c) 1999-2005 Intel Corporation" #define DRV_COPYRIGHT "Copyright(c) 1999-2005 Intel Corporation"
#define PFX DRV_NAME ": " #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, \ 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* */ /* *INDENT-OFF* */
static struct { 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++) for (i = 0; i < UCODE_SIZE; i++)
cb->u.ucode[i] = cpu_to_le32(ucode[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; return;
} }
noloaducode: 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, 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; return err;
if((err = e100_exec_cmd(nic, ruc_load_base, 0))) if((err = e100_exec_cmd(nic, ruc_load_base, 0)))
return err; 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; return err;
if((err = e100_exec_cb(nic, NULL, e100_configure))) if((err = e100_exec_cb(nic, NULL, e100_configure)))
return err; return err;