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author | David S. Miller <davem@davemloft.net> | 2015-06-03 23:44:57 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2015-06-03 23:44:57 -0700 |
commit | 9d1dabfbd0760269475a0cbbcc568505aa3ada60 (patch) | |
tree | 213ac17d317dc4039e3aa38cab06852b6d6dfa9e /drivers/net/wireless/mediatek/mt7601u/util.c | |
parent | 22793e5d5f65b45e95492a08e0019fd669752607 (diff) | |
parent | 1690faef645ea8725fafdfe6451cf7828a676ad8 (diff) | |
download | op-kernel-dev-9d1dabfbd0760269475a0cbbcc568505aa3ada60.zip op-kernel-dev-9d1dabfbd0760269475a0cbbcc568505aa3ada60.tar.gz |
Merge tag 'wireless-drivers-next-for-davem-2015-06-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
new driver mt7601u for MediaTek Wi-Fi devices MT7601U
ath10k:
* qca6174 power consumption improvements, enable ASPM etc (Michal)
wil6210:
* support Wi-Fi Simple Configuration in STA mode
iwlwifi:
* a few fixes (re-enablement of interrupts for certain new
platforms that have special power states)
* Rework completely the RBD allocation model towards new
multi RX hardware.
* cleanups
* scan reworks continuation (Luca)
mwifiex:
* improve firmware debug functionality
rtlwifi:
* update regulatory database
brcmfmac:
* cleanup and new feature support in PCIe code
* alternative nvram loading for router support
====================
Conflicts:
drivers/net/wireless/iwlwifi/Kconfig
Trivial conflict in iwlwifi Kconfig, two commits adding
the same two chip numbers to the help text, but order
transposed.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt7601u/util.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt7601u/util.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt7601u/util.c b/drivers/net/wireless/mediatek/mt7601u/util.c new file mode 100644 index 0000000..7c1787c --- /dev/null +++ b/drivers/net/wireless/mediatek/mt7601u/util.c @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "mt7601u.h" + +void mt76_remove_hdr_pad(struct sk_buff *skb) +{ + int len = ieee80211_get_hdrlen_from_skb(skb); + + memmove(skb->data + 2, skb->data, len); + skb_pull(skb, 2); +} + +int mt76_insert_hdr_pad(struct sk_buff *skb) +{ + int len = ieee80211_get_hdrlen_from_skb(skb); + int ret; + + if (len % 4 == 0) + return 0; + + ret = skb_cow(skb, 2); + if (ret) + return ret; + + skb_push(skb, 2); + memmove(skb->data, skb->data + 2, len); + + skb->data[len] = 0; + skb->data[len + 1] = 0; + return 0; +} |