ag71xx driver: align descriptors on cache_line boundary

[lede.git] / target / linux / ar71xx / files / drivers / net / ag71xx / ag71xx.h

diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
index 3dbb453fc5b0ca682223cb2dcc9865be35e626f3..2e731334471ab14b1cd006f891853e6f6b18dc1a 100644 (file)
--- 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     "0.5.23"
 
 #define AG71XX_NAPI_WEIGHT     64
 #define AG71XX_OOM_REFILL      (1 + HZ/10)
@@ -82,19 +82,21 @@ struct ag71xx_desc {
        u32     ctrl;
 #define DESC_EMPTY     BIT(31)
 #define DESC_MORE      BIT(24)
-#define DESC_PKTLEN_M  0x1fff
+#define DESC_PKTLEN_M  0xfff
        u32     next;
        u32     pad;
-};
+} __attribute__((aligned(4)));
 
 struct ag71xx_buf {
        struct sk_buff  *skb;
+       struct ag71xx_desc *desc;
 };
 
 struct ag71xx_ring {
        struct ag71xx_buf       *buf;
-       struct ag71xx_desc      *descs;
+       struct ag71xx_desc      *descs_cpu;
        dma_addr_t              descs_dma;
+       unsigned int            desc_size;
        unsigned int            curr;
        unsigned int            dirty;
        unsigned int            size;
@@ -399,12 +401,22 @@ static inline void ag71xx_int_disable(struct ag71xx *ag, u32 ints)
 
 static inline void ag71xx_mii_ctrl_wr(struct ag71xx *ag, u32 value)
 {
+       struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+
+       if (pdata->is_ar724x)
+               return;
+
        __raw_writel(value, ag->mii_ctrl);
        __raw_readl(ag->mii_ctrl);
 }
 
 static inline u32 ag71xx_mii_ctrl_rr(struct ag71xx *ag)
 {
+       struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
+
+       if (pdata->is_ar724x)
+               return 0xffffffff;
+
        return __raw_readl(ag->mii_ctrl);
 }
 
@@ -430,4 +442,20 @@ 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 */