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Message-Id: <1308256659-19895-3-git-send-email-anirban.chakraborty@qlogic.com>
Date: Thu, 16 Jun 2011 13:37:34 -0700
From: Anirban Chakraborty <anirban.chakraborty@...gic.com>
To: netdev@...r.kernel.org
Cc: David Miller <davem@...emloft.net>,
Anirban Chakraborty <anirban.chakraborty@...gic.com>
Subject: [PATCH net-next 3/7] qlcnic: Add code to tune FW dump
To accommodate change in FW dump template, it is required to modify the
FW dump routine that captures cache data. Also, the default mask is changed
to capture a dump that would cover all the protocols that this FW supports.
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@...gic.com>
---
drivers/net/qlcnic/qlcnic.h | 5 ++---
drivers/net/qlcnic/qlcnic_hw.c | 14 +++++++++++---
2 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index 194376e..e5bb332 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -1220,8 +1220,7 @@ struct __ctrl {
struct __cache {
__le32 addr;
- u8 stride;
- u8 rsvd;
+ __le16 stride;
__le16 init_tag_val;
__le32 size;
__le32 no_ops;
@@ -1319,7 +1318,7 @@ enum op_codes {
#define QLCNIC_DUMP_SKIP BIT_7
#define QLCNIC_DUMP_MASK_MIN 3
-#define QLCNIC_DUMP_MASK_DEF 0x0f
+#define QLCNIC_DUMP_MASK_DEF 0x7f
#define QLCNIC_DUMP_MASK_MAX 0xff
#define QLCNIC_FORCE_FW_DUMP_KEY 0xdeadfeed
diff --git a/drivers/net/qlcnic/qlcnic_hw.c b/drivers/net/qlcnic/qlcnic_hw.c
index a5d9fbf..a4bcb87 100644
--- a/drivers/net/qlcnic/qlcnic_hw.c
+++ b/drivers/net/qlcnic/qlcnic_hw.c
@@ -1509,18 +1509,26 @@ qlcnic_dump_l2_cache(struct qlcnic_adapter *adapter,
for (i = 0; i < l2->no_ops; i++) {
QLCNIC_WR_DUMP_REG(l2->addr, base, val);
- do {
+ if (LSW(l2->ctrl_val))
QLCNIC_WR_DUMP_REG(l2->ctrl_addr, base,
LSW(l2->ctrl_val));
+ if (!poll_mask)
+ goto skip_poll;
+ do {
QLCNIC_RD_DUMP_REG(l2->ctrl_addr, base, &data);
if (!(data & poll_mask))
break;
msleep(1);
time_out++;
} while (time_out <= poll_to);
- if (time_out > poll_to)
- return -EINVAL;
+ if (time_out > poll_to) {
+ dev_err(&adapter->pdev->dev,
+ "Timeout exceeded in %s, aborting dump\n",
+ __func__);
+ return -EINVAL;
+ }
+skip_poll:
addr = l2->read_addr;
cnt = l2->read_addr_num;
while (cnt) {
--
1.7.4.1
--
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