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author | Gabor Juhos <juhosg@openwrt.org> | 2009-02-25 16:47:11 +0000 |
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committer | Gabor Juhos <juhosg@openwrt.org> | 2009-02-25 16:47:11 +0000 |
commit | 0e8a23d053a4cf9f5d452e9decf2bf1dbf891dc2 (patch) | |
tree | 25cf6cdc1e77e971d6ed7b17059bcb3bab405a0c /target/linux/ar71xx/files/drivers/net | |
parent | 9da4abfe58715c6b435fe22ddb52bacbb8464c61 (diff) | |
download | upstream-0e8a23d053a4cf9f5d452e9decf2bf1dbf891dc2.tar.gz upstream-0e8a23d053a4cf9f5d452e9decf2bf1dbf891dc2.tar.bz2 upstream-0e8a23d053a4cf9f5d452e9decf2bf1dbf891dc2.zip |
ag71xx driver: add a workaround for the ar8216 chip, until we get a suitable switch driver
SVN-Revision: 14655
Diffstat (limited to 'target/linux/ar71xx/files/drivers/net')
4 files changed, 43 insertions, 5 deletions
diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/Kconfig b/target/linux/ar71xx/files/drivers/net/ag71xx/Kconfig index 18be11593c..56a59648cf 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/Kconfig +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/Kconfig @@ -12,3 +12,12 @@ config AG71XX_DEBUG default n help Atheros AR71xx built-in ethernet driver debugging messages. + +config AG71XX_AR8216_SUPPORT + bool "special support for the Atheros AR8216 switch" + depends on AG71XX + default n + default y if AR71XX_MACH_WNR2000 || AR71XX_MACH_MZK_W04NU + help + Say 'y' here if you want to enable special support for the + Atheros AR8216 switch found on some boards. diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/Makefile b/target/linux/ar71xx/files/drivers/net/ag71xx/Makefile index 37c98d22a3..aa1798d195 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/Makefile +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/Makefile @@ -2,6 +2,12 @@ # Makefile for the Atheros AR71xx built-in ethernet macs # +ag71xx-y += ag71xx_main.o +ag71xx-y += ag71xx_ethtool.o +ag71xx-y += ag71xx_phy.o +ag71xx-y += ag71xx_mdio.o + +ag71xx-$(CONFIG_AG71XX_AR8216_SUPPORT) += ag71xx_ar8216.o + obj-$(CONFIG_AG71XX) += ag71xx.o -ag71xx-objs := ag71xx_main.o ag71xx_ethtool.o ag71xx_phy.o ag71xx_mdio.o diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h index 3dbb453fc5..1d22453a97 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h @@ -38,7 +38,7 @@ #define ETH_FCS_LEN 4 #define AG71XX_DRV_NAME "ag71xx" -#define AG71XX_DRV_VERSION "0.5.20" +#define AG71XX_DRV_VERSION "0.5.21" #define AG71XX_NAPI_WEIGHT 64 #define AG71XX_OOM_REFILL (1 + HZ/10) @@ -430,4 +430,20 @@ static void inline ag71xx_mii_ctrl_set_speed(struct ag71xx *ag, ag71xx_mii_ctrl_wr(ag, t); } +#ifdef CONFIG_AG71XX_AR8216_SUPPORT +void ag71xx_add_ar8216_header(struct ag71xx *ag, struct sk_buff *skb); +int ag71xx_remove_ar8216_header(struct ag71xx *ag, struct sk_buff *skb); +#else +static inline void ag71xx_add_ar8216_header(struct ag71xx *ag, + struct sk_buff *skb) +{ +} + +static inline int ag71xx_remove_ar8216_header(struct ag71xx *ag, + struct sk_buff *skb) +{ + return 0; +} +#endif + #endif /* _AG71XX_H */ diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c index 01834887c5..e5eced2286 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c @@ -473,6 +473,8 @@ static int ag71xx_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) if (!ag71xx_desc_empty(desc)) goto err_drop; + ag71xx_add_ar8216_header(ag, skb); + if (skb->len <= 0) { DBG("%s: packet len is too small\n", ag->dev->name); goto err_drop; @@ -647,15 +649,20 @@ static int ag71xx_rx_packets(struct ag71xx *ag, int limit) skb_put(skb, pktlen); skb->dev = dev; - skb->protocol = eth_type_trans(skb, dev); skb->ip_summed = CHECKSUM_NONE; - netif_receive_skb(skb); - dev->last_rx = jiffies; dev->stats.rx_packets++; dev->stats.rx_bytes += pktlen; + if (ag71xx_remove_ar8216_header(ag, skb) != 0) { + dev->stats.rx_dropped++; + kfree_skb(skb); + } else { + skb->protocol = eth_type_trans(skb, dev); + netif_receive_skb(skb); + } + ring->buf[i].skb = NULL; done++; |