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Commit 2543a0c4 authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville
Browse files

ar9170: interpret firmware debug commands 



This adds new commands that the original firmware will not send
but we can use them to debug firmware.

Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent dacb6f1d

drivers/net/wireless/ath/ar9170/main.c

+32 −0
Original line number Diff line number Diff line
@@ -442,6 +442,38 @@ void ar9170_handle_command_response(struct ar9170 *ar, void *buf, u32 len) 
		/* retransmission issue / SIFS/EIFS collision ?! */

		break;



	/* firmware debug */

	case 0xca:

		printk(KERN_DEBUG "ar9170 FW: %.*s\n", len - 4, (char *)buf + 4);

		break;

	case 0xcb:

		len -= 4;



		switch (len) {

		case 1:

			printk(KERN_DEBUG "ar9170 FW: u8: %#.2x\n",

				*((char *)buf + 4));

			break;

		case 2:

			printk(KERN_DEBUG "ar9170 FW: u8: %#.4x\n",

				le16_to_cpup((__le16 *)((char *)buf + 4)));

			break;

		case 4:

			printk(KERN_DEBUG "ar9170 FW: u8: %#.8x\n",

				le32_to_cpup((__le32 *)((char *)buf + 4)));

			break;

		case 8:

			printk(KERN_DEBUG "ar9170 FW: u8: %#.16lx\n",

				(unsigned long)le64_to_cpup(

						(__le64 *)((char *)buf + 4)));

			break;

		}

		break;

	case 0xcc:

		print_hex_dump_bytes("ar9170 FW:", DUMP_PREFIX_NONE,

				     (char *)buf + 4, len - 4);

		break;



	default:

		printk(KERN_INFO "received unhandled event %x\n", cmd->type);

		print_hex_dump_bytes("dump:", DUMP_PREFIX_NONE, buf, len);