From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mms1.broadcom.com ([216.31.210.17]:4377 "EHLO mms1.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759251Ab3JONpN (ORCPT ); Tue, 15 Oct 2013 09:45:13 -0400 From: "Arend van Spriel" To: "John W. Linville" cc: linux-wireless , "Arend van Spriel" Subject: [PATCH 10/12] brcmfmac: fix brcmf_sdcard_send_pkt() for host without sg support Date: Tue, 15 Oct 2013 15:44:55 +0200 Message-ID: <1381844697-24881-11-git-send-email-arend@broadcom.com> (sfid-20131015_154538_464928_D4F8C9AE) In-Reply-To: <1381844697-24881-1-git-send-email-arend@broadcom.com> References: <1381844697-24881-1-git-send-email-arend@broadcom.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: If the host does not support scatter-gather transmit the packets in the pktq individually using brcmf_sdio_buffrw(). Reviewed-by: Franky Lin Reviewed-by: Hante Meuleman Reviewed-by: Pieter-Paul Giesberts Signed-off-by: Arend van Spriel --- drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c index 92818d79..1103dc1 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c @@ -620,6 +620,7 @@ int brcmf_sdcard_send_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, uint flags, struct sk_buff_head *pktq) { + struct sk_buff *skb; uint width; int err; @@ -631,9 +632,16 @@ brcmf_sdcard_send_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, if (err) return err; - if (pktq->qlen == 1) - return brcmf_sdio_buffrw(sdiodev, fn, true, addr, pktq->next); - return brcmf_sdio_sglist_rw(sdiodev, fn, true, addr, pktq); + if (pktq->qlen == 1 || !sdiodev->sg_support) + skb_queue_walk(pktq, skb) { + err = brcmf_sdio_buffrw(sdiodev, fn, true, addr, skb); + if (err) + break; + } + else + err = brcmf_sdio_sglist_rw(sdiodev, fn, true, addr, pktq); + + return err; } int -- 1.7.10.4