From patchwork Fri Mar 13 10:50:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chi-Hsien Lin X-Patchwork-Id: 216286 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D1C0C10DCE for ; Fri, 13 Mar 2020 10:51:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3738C20724 for ; Fri, 13 Mar 2020 10:51:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=cypress.com header.i=@cypress.com header.b="LRMwv2L3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726605AbgCMKvJ (ORCPT ); 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Fri, 13 Mar 2020 10:51:06 +0000 From: Chi-Hsien Lin To: linux-wireless@vger.kernel.org Cc: brcm80211-dev-list@broadcom.com, brcm80211-dev-list@cypress.com, Arend van Spriel , Franky Lin , Hante Meuleman , Wright Feng , Kalle Valo , Raveendran Somu , Chi-hsien Lin Subject: [PATCH V2 2/6] brcmfmac: Fix double freeing in the fmac usb data path Date: Fri, 13 Mar 2020 05:50:16 -0500 Message-Id: <1584096620-101123-3-git-send-email-chi-hsien.lin@cypress.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1584096620-101123-1-git-send-email-chi-hsien.lin@cypress.com> References: <1584096620-101123-1-git-send-email-chi-hsien.lin@cypress.com> X-ClientProxiedBy: BL0PR02CA0054.namprd02.prod.outlook.com (2603:10b6:207:3d::31) To BYAPR06MB4901.namprd06.prod.outlook.com (2603:10b6:a03:7a::30) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from aremote02.aus.cypress.com (12.110.209.245) by BL0PR02CA0054.namprd02.prod.outlook.com (2603:10b6:207:3d::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2793.17 via Frontend Transport; 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X-Microsoft-Antispam-Message-Info: xLSL6lMHe4VR1yVy1GRbyTPBG/BzYFm7MSN2NKCVcO+WZywqJS6iHbGS+PRxxIGAlLrrzbFijd4D4ErHQIFgCa3HH/NxPOAGXM1xdisrwQ0wkKRH1WFBxbGcJrItb6A11VAP3dn+pAuZ6j7iQSxs8J0KGvS6lAorA94cBfLpMiZ+pf8a/d2td3//OmZJ5+DV8JXYNPXOX6zkxzWtuoUCEkgQRhGVwoXW36UixEGkTNkY1+p75ENaYMbmJ8R8mDdFX7EDi5q0NgTd/GazbKe7FrrbVwvj1BYYTPODVQViXxtjRt2nWDjHV6Ttq/HsBFgInCEUUq3avGbg/gdTNZGJK/iHLeyC+EOnRj/DWHOiodgbR1WbRjnjlX3tDodlQBFI/32m9kcVabmG/Vp6udGMnFHQtLT9DwnXeZr/mEaBBIVBNPZYUKtjCIY/AEyMWHW+ X-MS-Exchange-AntiSpam-MessageData: D6xdpGrEdzb5+Mv6ZCKUbd0NuhkGhTlVgtJCgy/Cn5Gt8+Sk5k8T4Wt5Lsun86XEXMb4QtqEz7SatNS2E7aHyKL6olBpS5rHuT6+vKIa0/ZT4ZGMcRA+MeN0JtUaLnxmEkaNUYInqfrLigZAh1FNrQ== X-OriginatorOrg: cypress.com X-MS-Exchange-CrossTenant-Network-Message-Id: d29ed669-5008-444a-4837-08d7c73c6e2c X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Mar 2020 10:51:06.1522 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 011addfc-2c09-450d-8938-e0bbc2dd2376 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: b7q76BHBM5WxCnUeLrArM3lF1X+uYhaz3WzN5ivWoDvhXp68eltw9v5gq9Re480k3jxFLzovrXm490ZISxR4aA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR06MB5303 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Raveendran Somu When the brcmf_fws_process_skb() fails to get hanger slot for queuing the skb, it tries to free the skb. But the caller brcmf_netdev_start_xmit() of that funciton frees the packet on error return value. This causes the double freeing and which caused the kernel crash. Signed-off-by: Raveendran Somu Signed-off-by: Chi-hsien Lin --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c index 5e1a11c07551..10022c765354 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c @@ -2145,8 +2145,7 @@ int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb) brcmf_fws_enq(fws, BRCMF_FWS_SKBSTATE_DELAYED, fifo, skb); brcmf_fws_schedule_deq(fws); } else { - bphy_err(drvr, "drop skb: no hanger slot\n"); - brcmf_txfinalize(ifp, skb, false); + bphy_err(drvr, "no hanger slot available\n"); rc = -ENOMEM; } brcmf_fws_unlock(fws); From patchwork Fri Mar 13 10:50:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chi-Hsien Lin X-Patchwork-Id: 216285 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D56B9C10DCE for ; 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Received: from BYAPR06MB4901.namprd06.prod.outlook.com (2603:10b6:a03:7a::30) by BYAPR06MB5303.namprd06.prod.outlook.com (2603:10b6:a03:cf::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2793.17; Fri, 13 Mar 2020 10:51:10 +0000 Received: from BYAPR06MB4901.namprd06.prod.outlook.com ([fe80::3cc3:7b1a:bd7b:a0a9]) by BYAPR06MB4901.namprd06.prod.outlook.com ([fe80::3cc3:7b1a:bd7b:a0a9%5]) with mapi id 15.20.2793.021; Fri, 13 Mar 2020 10:51:10 +0000 From: Chi-Hsien Lin To: linux-wireless@vger.kernel.org Cc: brcm80211-dev-list@broadcom.com, brcm80211-dev-list@cypress.com, Arend van Spriel , Franky Lin , Hante Meuleman , Wright Feng , Kalle Valo , Madhan Mohan R , Madhan Mohan R , Chi-hsien Lin Subject: [PATCH V2 4/6] brcmfmac: increase max hanger slots from 1K to 3K in fws layer Date: Fri, 13 Mar 2020 05:50:18 -0500 Message-Id: <1584096620-101123-5-git-send-email-chi-hsien.lin@cypress.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1584096620-101123-1-git-send-email-chi-hsien.lin@cypress.com> References: <1584096620-101123-1-git-send-email-chi-hsien.lin@cypress.com> X-ClientProxiedBy: BL0PR02CA0054.namprd02.prod.outlook.com (2603:10b6:207:3d::31) To BYAPR06MB4901.namprd06.prod.outlook.com (2603:10b6:a03:7a::30) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from aremote02.aus.cypress.com (12.110.209.245) by BL0PR02CA0054.namprd02.prod.outlook.com (2603:10b6:207:3d::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2793.17 via Frontend Transport; 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X-Microsoft-Antispam-Message-Info: pkj8xQdt4gzXD4jh93Eh3jI+Rq1jRVahW0CYsnelpbqKvfjqbAa2rGS71Y8GmsT3/FDLzB0elz93bSUuAedm+dxsWoUWKooqLlllG/9UBzzWDVD64/Wh6oolwjLODIer/iKeVi+8injhPs7xz3mcXv41PtEAJPYcZe8Hv59NG2k4EUCo2yMqJgJw3CRlE9qn0v/LQfM3LJ5MLt//DQ0j8zlGZVCp8NEohYlrcNbagcKPBsxpphX+D+9b2FOk9b6mfHQ8C/rlNgmYbLTR2eQAK8S98wBfrmDjU43HPpc32GZBifeA9XedgtN9Gh3YjsnCodfCb6YJwpkr4nAEzl6BG+SnSuxd2DPA1ebqGzDphtWuNYkkh8YZ3GBktgdxXN2AUgGFtsmpWQvudoQ9/7RjIC237l7FjMhRzFHSDBb53PS24Ncr/6UpBVq3eCvGSTPH X-MS-Exchange-AntiSpam-MessageData: Ty/B2zfmbsuZCw8mZvU5oV9cih71lfaLFIR0Y6hCIk2hLTAAe5bwXCc1SXwOzfmG0dtgPTvhLb4VaTWGgMCmLcRhie9Fn1sVPGvr/TyaBFIUaTOcX3IPL0hbwaOqqMgGoV/LtDkN/8qlHhM3qQcJug== X-OriginatorOrg: cypress.com X-MS-Exchange-CrossTenant-Network-Message-Id: cc41ef87-4fab-4b65-b588-08d7c73c709b X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Mar 2020 10:51:10.1919 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 011addfc-2c09-450d-8938-e0bbc2dd2376 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: c2vMu++tPblok3uEA528NtrWp7/lonrDk/cLF2kzF7vBN8f7eAApFyqFvK9gaXSls8NZoo/JJeMvNETVAyKuWQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR06MB5303 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Madhan Mohan R Will enable FMAC to push more packets to bus tx queue and help improve throughput when fws queuing is enabled. This change is required to tune the throughput for passing WMM CERT tests. Signed-off-by: Madhan Mohan R Signed-off-by: Chi-hsien Lin --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c index 10022c765354..8cc52935fd41 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c @@ -404,7 +404,7 @@ struct brcmf_fws_mac_descriptor { u8 traffic_lastreported_bmp; }; -#define BRCMF_FWS_HANGER_MAXITEMS 1024 +#define BRCMF_FWS_HANGER_MAXITEMS 3072 /** * enum brcmf_fws_hanger_item_state - state of hanger item. 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Fri, 13 Mar 2020 10:51:14 +0000 From: Chi-Hsien Lin To: linux-wireless@vger.kernel.org Cc: brcm80211-dev-list@broadcom.com, brcm80211-dev-list@cypress.com, Arend van Spriel , Franky Lin , Hante Meuleman , Wright Feng , Kalle Valo , Raveendran Somu , Chi-hsien Lin Subject: [PATCH V2 6/6] brcmfmac: To support printing USB console messages Date: Fri, 13 Mar 2020 05:50:20 -0500 Message-Id: <1584096620-101123-7-git-send-email-chi-hsien.lin@cypress.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1584096620-101123-1-git-send-email-chi-hsien.lin@cypress.com> References: <1584096620-101123-1-git-send-email-chi-hsien.lin@cypress.com> X-ClientProxiedBy: BL0PR02CA0054.namprd02.prod.outlook.com (2603:10b6:207:3d::31) To BYAPR06MB4901.namprd06.prod.outlook.com (2603:10b6:a03:7a::30) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from aremote02.aus.cypress.com (12.110.209.245) by BL0PR02CA0054.namprd02.prod.outlook.com (2603:10b6:207:3d::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2793.17 via Frontend Transport; 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X-Microsoft-Antispam-Message-Info: BI9j0bKYOCPtan1GlU5n98C0ULIN1GTtdUxyY4NVIiDTRNRV8S5MzhgqZDoFM0AaSLJif+e6VQOv+yKNnWQ7tAYaO2/32qZJGgdLysGLAzBDNkM6SHJer+ht72+aNy8ZlHxQrrq1gQp8dy/hVCDUSgf9hk81g/JaufJMME4jJ9Wv6y6GcCPgZyN1YHxBM2DI6+wvb24nVWmhBKMzf1rcQYyvIe5Uz7O/WqLHS0rOZI6vBG9zvbhWQDms5puUHDdXwzTsY28cn2c3GJvmI6eM6WBal21Gsgb+Qk8z40ISkiKLtb8EAqVsU3nebNWLE3Fmq5jWOtfRG1rYZvNoshpA2FjEeV+2jXUSvF09/hEb2ZSqS15MreNwNEU+EuZgD6T3ZlW++SHuUuK7JyRnpwwFaTgNWwpzcnHfNkicY1FgA3Rg1HSPS3QA0bIfJECShPMv X-MS-Exchange-AntiSpam-MessageData: C4TIxQNJcxWDViinmfaOQkIhEDsWvncLDiHhWrHPArMS4QPYmky009awkkw5jbnwmj7e6TZsyhnf7mNJBe76A6alotf9NLktdkacRULdgqyDij8PPAvIUc/AdstZT0hZ0ZyIWg3h+FKCcjeaOOigGQ== X-OriginatorOrg: cypress.com X-MS-Exchange-CrossTenant-Network-Message-Id: 448eb51c-e953-4c2b-d699-08d7c73c72ef X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Mar 2020 10:51:14.1487 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 011addfc-2c09-450d-8938-e0bbc2dd2376 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: A0+Am3g4YObGQA6uLfwS6ohzzoZqM02a2dXwXYbbpCQhbwfuthQiikqbMitrkxcQ02nU37hnHi8eU8ebPnHhRA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR06MB5303 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Raveendran Somu This change is to add support for printing the firmware console messges of a USB interface chip to the host. To enable this feature, build option '-msgtrace' should be enabled in the firmware. And in the host, debug=0x100000 should be provided as a module parameter. Signed-off-by: Raveendran Somu Signed-off-by: Chi-hsien Lin --- .../net/wireless/broadcom/brcm80211/brcmfmac/bus.h | 1 + .../wireless/broadcom/brcm80211/brcmfmac/core.c | 8 +++ .../wireless/broadcom/brcm80211/brcmfmac/debug.c | 82 ++++++++++++++++++++++ .../wireless/broadcom/brcm80211/brcmfmac/debug.h | 24 +++++++ .../net/wireless/broadcom/brcm80211/brcmfmac/usb.c | 14 ++++ 5 files changed, 129 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h index 623c0168da79..c8063ca50611 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h @@ -271,6 +271,7 @@ void brcmf_bus_change_state(struct brcmf_bus *bus, enum brcmf_bus_state state); s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, u32 len); void brcmf_bus_add_txhdrlen(struct device *dev, uint len); +int brcmf_fwlog_attach(struct device *dev); #ifdef CONFIG_BRCMFMAC_SDIO void brcmf_sdio_exit(void); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c index 23627c953a5e..fab852461cf1 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c @@ -1117,6 +1117,14 @@ static int brcmf_inet6addr_changed(struct notifier_block *nb, } #endif +int brcmf_fwlog_attach(struct device *dev) +{ + struct brcmf_bus *bus_if = dev_get_drvdata(dev); + struct brcmf_pub *drvr = bus_if->drvr; + + return brcmf_debug_fwlog_init(drvr); +} + static int brcmf_revinfo_read(struct seq_file *s, void *data) { struct brcmf_bus *bus_if = dev_get_drvdata(s->private); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c index 120515fe8250..64c8ba0ef8af 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c @@ -14,6 +14,82 @@ #include "fweh.h" #include "debug.h" +static int +brcmf_debug_msgtrace_seqchk(u32 *prev, u32 cur) +{ + if ((cur == 0 && *prev == 0xFFFFFFFF) || ((cur - *prev) == 1)) { + goto done; + } else if (cur == *prev) { + brcmf_dbg(FWCON, "duplicate trace\n"); + return -1; + } else if (cur > *prev) { + brcmf_dbg(FWCON, "lost %d packets\n", cur - *prev); + } else { + brcmf_dbg(FWCON, "seq out of order, host %d, dongle %d\n", + *prev, cur); + } +done: + *prev = cur; + return 0; +} + +static int +brcmf_debug_msg_parser(void *event_data) +{ + int err = 0; + struct msgtrace_hdr *hdr; + char *data, *s; + static u32 seqnum_prev; + + hdr = (struct msgtrace_hdr *)event_data; + data = (char *)event_data + MSGTRACE_HDRLEN; + + /* There are 2 bytes available at the end of data */ + data[ntohs(hdr->len)] = '\0'; + + if (ntohl(hdr->discarded_bytes) || ntohl(hdr->discarded_printf)) { + brcmf_dbg(FWCON, "Discarded_bytes %d discarded_printf %d\n", + ntohl(hdr->discarded_bytes), + ntohl(hdr->discarded_printf)); + } + + err = brcmf_debug_msgtrace_seqchk(&seqnum_prev, ntohl(hdr->seqnum)); + if (err) + return err; + + while (*data != '\0' && (s = strstr(data, "\n")) != NULL) { + *s = '\0'; + brcmf_dbg(FWCON, "CONSOLE: %s\n", data); + data = s + 1; + } + if (*data) + brcmf_dbg(FWCON, "CONSOLE: %s", data); + + return err; +} + +static int +brcmf_debug_trace_parser(struct brcmf_if *ifp, + const struct brcmf_event_msg *evtmsg, + void *event_data) +{ + int err = 0; + struct msgtrace_hdr *hdr; + + hdr = (struct msgtrace_hdr *)event_data; + if (hdr->version != MSGTRACE_VERSION) { + brcmf_dbg(FWCON, "trace version mismatch host %d dngl %d\n", + MSGTRACE_VERSION, hdr->version); + err = -EPROTO; + return err; + } + + if (hdr->trace_type == MSGTRACE_HDR_TYPE_MSG) + err = brcmf_debug_msg_parser(event_data); + + return err; +} + int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data, size_t len) { @@ -42,6 +118,12 @@ int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data, return 0; } +int brcmf_debug_fwlog_init(struct brcmf_pub *drvr) +{ + return brcmf_fweh_register(drvr, BRCMF_E_TRACE, + brcmf_debug_trace_parser); +} + struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr) { return drvr->wiphy->debugfsdir; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h index 9b221b509ade..d61508b62d2c 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h @@ -103,6 +103,10 @@ do { \ #endif /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */ +#define MSGTRACE_VERSION 1 +#define MSGTRACE_HDR_TYPE_MSG 0 +#define MSGTRACE_HDR_TYPE_LOG 1 + #define brcmf_dbg_hex_dump(test, data, len, fmt, ...) \ do { \ trace_brcmf_hexdump((void *)data, len); \ @@ -120,6 +124,7 @@ int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn, int (*read_fn)(struct seq_file *seq, void *data)); int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data, size_t len); +int brcmf_debug_fwlog_init(struct brcmf_pub *drvr); #else static inline struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr) { @@ -137,6 +142,25 @@ int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data, { return 0; } + +static inline +int brcmf_debug_fwlog_init(struct brcmf_pub *drvr) +{ + return 0; +} #endif +/* Message trace header */ +struct msgtrace_hdr { + u8 version; + u8 trace_type; + u16 len; /* Len of the trace */ + u32 seqnum; /* Sequence number of message */ + /* Number of discarded bytes because of trace overflow */ + u32 discarded_bytes; + /* Number of discarded printf because of trace overflow */ + u32 discarded_printf; +}; + +#define MSGTRACE_HDRLEN sizeof(struct msgtrace_hdr) #endif /* BRCMFMAC_DEBUG_H */ diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c index 1108414c4c8f..6051657a9628 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c @@ -1218,6 +1218,12 @@ static void brcmf_usb_probe_phase2(struct device *dev, int ret, if (ret) goto error; + if (BRCMF_FWCON_ON()) { + ret = brcmf_fwlog_attach(devinfo->dev); + if (ret) + goto error; + } + /* Attach to the common driver interface */ ret = brcmf_attach(devinfo->dev); if (ret) @@ -1294,9 +1300,17 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) ret = brcmf_alloc(devinfo->dev, devinfo->settings); if (ret) goto fail; + + if (BRCMF_FWCON_ON()) { + ret = brcmf_fwlog_attach(devinfo->dev); + if (ret) + goto fail; + } + ret = brcmf_attach(devinfo->dev); if (ret) goto fail; + /* we are done */ complete(&devinfo->dev_init_done); return 0;