From: Franky Lin <frankyl@broadcom.com> Date: Wed, 11 Apr 2012 09:52:46 +0000 (+0200) Subject: brcm80211: fmac: add frame header extension support X-Git-Tag: firefly_0821_release~3680^2~2787^2~410^2~63 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8f1ab44d8de5154cf6746d07f0902ea73f059c2b;p=firefly-linux-kernel-4.4.55.git brcm80211: fmac: add frame header extension support A header extension is introduced in the received frame to provide extra space for dongle information. This won't affect current supported chipset since the data_offset is 0. But it's necessary for adding support for future chipset. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> --- diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c index b3e3b7f25d82..a5c15cac5e7d 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c @@ -421,6 +421,7 @@ int brcmf_proto_hdrpull(struct device *dev, int *ifidx, pktbuf->priority = h->priority & BDC_PRIORITY_MASK; skb_pull(pktbuf, BDC_HEADER_LEN); + skb_pull(pktbuf, h->data_offset << 2); return 0; }