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: NAnirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

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
 

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) {