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author | James <> | 2015-09-26 12:29:31 +0100 |
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committer | James <> | 2015-09-26 12:29:31 +0100 |
commit | 626d9efa74685720020e816f3a917b7591d3cf7a (patch) | |
tree | d22eef73ae82287b30a1140decb4fc806d39d621 /target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar8216.c | |
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trunk-47048
Diffstat (limited to 'target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar8216.c')
-rw-r--r-- | target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar8216.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar8216.c b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar8216.c new file mode 100644 index 0000000..7ec43b7 --- /dev/null +++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_ar8216.c @@ -0,0 +1,44 @@ +/* + * Atheros AR71xx built-in ethernet mac driver + * Special support for the Atheros ar8216 switch chip + * + * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org> + * + * Based on Atheros' AG7100 driver + * + * 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. + */ + +#include "ag71xx.h" + +#define AR8216_PACKET_TYPE_MASK 0xf +#define AR8216_PACKET_TYPE_NORMAL 0 + +#define AR8216_HEADER_LEN 2 + +void ag71xx_add_ar8216_header(struct ag71xx *ag, struct sk_buff *skb) +{ + skb_push(skb, AR8216_HEADER_LEN); + skb->data[0] = 0x10; + skb->data[1] = 0x80; +} + +int ag71xx_remove_ar8216_header(struct ag71xx *ag, struct sk_buff *skb, + int pktlen) +{ + u8 type; + + type = skb->data[1] & AR8216_PACKET_TYPE_MASK; + switch (type) { + case AR8216_PACKET_TYPE_NORMAL: + break; + + default: + return -EINVAL; + } + + skb_pull(skb, AR8216_HEADER_LEN); + return 0; +} |