Return-path: Received: from mout.gmx.net ([212.227.15.18]:64556 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753103AbaA2TIt (ORCPT ); Wed, 29 Jan 2014 14:08:49 -0500 Received: from ultralex.lan ([93.196.93.204]) by mail.gmx.com (mrgmx102) with ESMTPSA (Nemesis) id 0Li1hG-1VVhGE192Q-00n7YY for ; Wed, 29 Jan 2014 20:08:48 +0100 From: Oleksij Rempel To: ath9k-devel@lists.ath9k.org, linville@tuxdriver.com, linux-wireless@vger.kernel.org Cc: Oleksij Rempel Subject: [PATCH 13/13] ath9k_htc: catch fw panic pattern Date: Wed, 29 Jan 2014 20:07:04 +0100 Message-Id: <1391022424-21087-12-git-send-email-linux@rempel-privat.de> (sfid-20140129_200853_335164_343FDD23) In-Reply-To: <1391022424-21087-1-git-send-email-linux@rempel-privat.de> References: <1391022315-20946-1-git-send-email-linux@rempel-privat.de> <1391022424-21087-1-git-send-email-linux@rempel-privat.de> Sender: linux-wireless-owner@vger.kernel.org List-ID: ... and print what we get. Signed-off-by: Oleksij Rempel --- drivers/net/wireless/ath/ath9k/htc_hst.c | 36 ++++++++++++++++++++++++++++++++ drivers/net/wireless/ath/ath9k/htc_hst.h | 12 +++++++++++ 2 files changed, 48 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c index aac4a40..a0ff5b6 100644 --- a/drivers/net/wireless/ath/ath9k/htc_hst.c +++ b/drivers/net/wireless/ath/ath9k/htc_hst.c @@ -358,6 +358,36 @@ ret: kfree_skb(skb); } +static void ath9k_htc_fw_panic_report(struct htc_target *htc_handle, + struct sk_buff *skb) +{ + uint32_t *pattern = (uint32_t *)skb->data; + + switch (*pattern) { + case 0x33221199: + { + struct htc_panic_bad_vaddr *htc_panic; + htc_panic = (struct htc_panic_bad_vaddr *) skb->data; + dev_err(htc_handle->dev, "ath: firmware panic! " + "exccause: 0x%08x; pc: 0x%08x; badvaddr: 0x%08x.\n", + htc_panic->exccause, htc_panic->pc, + htc_panic->badvaddr); + break; + } + case 0x33221299: + { + struct htc_panic_bad_epid *htc_panic; + htc_panic = (struct htc_panic_bad_epid *) skb->data; + dev_err(htc_handle->dev, "ath: firmware panic! " + "bad epid: 0x%08x\n", htc_panic->epid); + break; + } + default: + dev_err(htc_handle->dev, "ath: uknown panic pattern!\n"); + break; + } +} + /* * HTC Messages are handled directly here and the obtained SKB * is freed. @@ -379,6 +409,12 @@ void ath9k_htc_rx_msg(struct htc_target *htc_handle, htc_hdr = (struct htc_frame_hdr *) skb->data; epid = htc_hdr->endpoint_id; + if (epid == 0x99) { + ath9k_htc_fw_panic_report(htc_handle, skb); + kfree_skb(skb); + return; + } + if (epid >= ENDPOINT_MAX) { if (pipe_id != USB_REG_IN_PIPE) dev_kfree_skb_any(skb); diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.h b/drivers/net/wireless/ath/ath9k/htc_hst.h index e1ffbb6..06474cc 100644 --- a/drivers/net/wireless/ath/ath9k/htc_hst.h +++ b/drivers/net/wireless/ath/ath9k/htc_hst.h @@ -77,6 +77,18 @@ struct htc_config_pipe_msg { u8 credits; } __packed; +struct htc_panic_bad_vaddr { + __be32 pattern; + __be32 exccause; + __be32 pc; + __be32 badvaddr; +} __packed; + +struct htc_panic_bad_epid { + __be32 pattern; + __be32 epid; +} __packed; + struct htc_ep_callbacks { void *priv; void (*tx) (void *, struct sk_buff *, enum htc_endpoint_id, bool txok); -- 1.8.5.3