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brcmfmac: rework headroom check in .start_xmit()
authorArend Van Spriel <arend.vanspriel@broadcom.com>
Thu, 22 Jun 2017 10:01:03 +0000 (11:01 +0100)
committerKalle Valo <kvalo@codeaurora.org>
Wed, 28 Jun 2017 17:53:06 +0000 (20:53 +0300)
commit270a6c1f65fe68a28a5d39cd405592c550b496c7
tree1cb8c4283d5bf855d1a514e91768f63449eb8221
parenta833f3d4de53921263f6a060dbff08d5af926ba7
brcmfmac: rework headroom check in .start_xmit()

Since commit 9cc4b7cb86cb ("brcmfmac: Make skb header writable
before use") the headroom usage has been fixed. However, the
driver was keeping statistics that got lost. So reworking the
code so we get those driver statistics back for debugging.

Cc: James Hughes <james.hughes@raspberrypi.org>
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/broadcom/brcm80211/brcmfmac/bus.h
drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c