From patchwork Wed Aug 26 20:14:57 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arend van Spriel X-Patchwork-Id: 7079981 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 92C6ABEEC1 for ; Wed, 26 Aug 2015 20:15:42 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A57B32010B for ; Wed, 26 Aug 2015 20:15:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 859E820715 for ; Wed, 26 Aug 2015 20:15:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933185AbbHZUPg (ORCPT ); Wed, 26 Aug 2015 16:15:36 -0400 Received: from mail-gw2-out.broadcom.com ([216.31.210.63]:56115 "EHLO mail-gw2-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753842AbbHZUPN (ORCPT ); Wed, 26 Aug 2015 16:15:13 -0400 X-IronPort-AV: E=Sophos;i="5.17,418,1437462000"; d="scan'208";a="73484552" Received: from irvexchcas08.broadcom.com (HELO IRVEXCHCAS08.corp.ad.broadcom.com) ([10.9.208.57]) by mail-gw2-out.broadcom.com with ESMTP; 26 Aug 2015 13:37:37 -0700 Received: from IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.3.235.1; Wed, 26 Aug 2015 13:15:13 -0700 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) with Microsoft SMTP Server id 14.3.235.1; Wed, 26 Aug 2015 13:15:12 -0700 Received: from bld-bun-01.bun.broadcom.com (unknown [10.176.128.83]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id AC0F841090; Wed, 26 Aug 2015 13:12:38 -0700 (PDT) Received: by bld-bun-01.bun.broadcom.com (Postfix, from userid 25152) id DC322B02B86; Wed, 26 Aug 2015 22:15:05 +0200 (CEST) From: Arend van Spriel To: Kalle Valo CC: linux-wireless , Arend van Spriel Subject: [PATCH 05/12] brcmfmac: correct detection of p2pdev interface event Date: Wed, 26 Aug 2015 22:14:57 +0200 Message-ID: <1440620104-2715-6-git-send-email-arend@broadcom.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1440620104-2715-1-git-send-email-arend@broadcom.com> References: <1440620104-2715-1-git-send-email-arend@broadcom.com> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The p2pdev interface is setup in firmware resulting in a interface event. This event has role and no-if flag. When role is p2p client and no-if flag is set it indicates that this is the p2pdev interface. This info is used in handling the event and adding interface in the driver. Reviewed-by: Hante Meuleman Reviewed-by: Franky (Zhenhui) Lin Reviewed-by: Pieter-Paul Giesberts Signed-off-by: Arend van Spriel --- drivers/net/wireless/brcm80211/brcmfmac/core.c | 8 ++++---- drivers/net/wireless/brcm80211/brcmfmac/core.h | 2 +- drivers/net/wireless/brcm80211/brcmfmac/fweh.c | 15 +++++++-------- 3 files changed, 12 insertions(+), 13 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/core.c b/drivers/net/wireless/brcm80211/brcmfmac/core.c index 126081a..b9ed0ed 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/core.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/core.c @@ -795,7 +795,7 @@ fail: } struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, - char *name, u8 *mac_addr) + bool is_p2pdev, char *name, u8 *mac_addr) { struct brcmf_if *ifp; struct net_device *ndev; @@ -821,7 +821,7 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, } } - if (!brcmf_p2p_enable && bssidx == 1) { + if (!brcmf_p2p_enable && is_p2pdev) { /* this is P2P_DEVICE interface */ brcmf_dbg(INFO, "allocate non-netdev interface\n"); ifp = kzalloc(sizeof(*ifp), GFP_KERNEL); @@ -999,12 +999,12 @@ int brcmf_bus_start(struct device *dev) brcmf_dbg(TRACE, "\n"); /* add primary networking interface */ - ifp = brcmf_add_if(drvr, 0, 0, "wlan%d", NULL); + ifp = brcmf_add_if(drvr, 0, 0, false, "wlan%d", NULL); if (IS_ERR(ifp)) return PTR_ERR(ifp); if (brcmf_p2p_enable) - p2p_ifp = brcmf_add_if(drvr, 1, 0, "p2p%d", NULL); + p2p_ifp = brcmf_add_if(drvr, 1, 0, false, "p2p%d", NULL); else p2p_ifp = NULL; if (IS_ERR(p2p_ifp)) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/core.h b/drivers/net/wireless/brcm80211/brcmfmac/core.h index eb0c177..5fb9f4be 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/core.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/core.h @@ -205,7 +205,7 @@ char *brcmf_ifname(struct brcmf_pub *drvr, int idx); struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx); int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked); struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx, - char *name, u8 *mac_addr); + bool is_p2pdev, char *name, u8 *mac_addr); void brcmf_remove_interface(struct brcmf_if *ifp); int brcmf_get_next_free_bsscfgidx(struct brcmf_pub *drvr); void brcmf_txflowblock_if(struct brcmf_if *ifp, diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c index 4d4cc2c..1afaf97 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c @@ -179,6 +179,7 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr, { struct brcmf_if_event *ifevent = data; struct brcmf_if *ifp; + bool is_p2pdev; int err = 0; brcmf_dbg(EVENT, "action: %u idx: %u bsscfg: %u flags: %u role: %u\n", @@ -186,18 +187,16 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr, ifevent->flags, ifevent->role); /* The P2P Device interface event must not be ignored - * contrary to what firmware tells us. The only way to - * distinguish the P2P Device is by looking at the ifidx - * and bssidx received. + * contrary to what firmware tells us. */ - if (!(ifevent->ifidx == 0 && ifevent->bssidx == 1) && - (ifevent->flags & BRCMF_E_IF_FLAG_NOIF)) { + is_p2pdev = (ifevent->flags & BRCMF_E_IF_FLAG_NOIF) && + ifevent->role == BRCMF_E_IF_ROLE_P2P_CLIENT; + if (!is_p2pdev && (ifevent->flags & BRCMF_E_IF_FLAG_NOIF)) { brcmf_dbg(EVENT, "event can be ignored\n"); return; } if (ifevent->ifidx >= BRCMF_MAX_IFS) { - brcmf_err("invalid interface index: %u\n", - ifevent->ifidx); + brcmf_err("invalid interface index: %u\n", ifevent->ifidx); return; } @@ -207,7 +206,7 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr, brcmf_dbg(EVENT, "adding %s (%pM)\n", emsg->ifname, emsg->addr); ifp = brcmf_add_if(drvr, ifevent->bssidx, ifevent->ifidx, - emsg->ifname, emsg->addr); + is_p2pdev, emsg->ifname, emsg->addr); if (IS_ERR(ifp)) return; brcmf_fws_add_interface(ifp);