ar71xx: ag71xx: avoid unalinged accesses when using the phy specific receive functions

[openwrt/staging/yousong.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 b2f710edecf744ebfc976bf81f58580cb25c672b..af41972481c97f99bf712b9ae628f16baccf16ab 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     "0.5.25"
+#define AG71XX_DRV_VERSION     "0.5.35"
 
 #define AG71XX_NAPI_WEIGHT     64
 #define AG71XX_OOM_REFILL      (1 + HZ/10)
@@ -88,8 +88,10 @@ struct ag71xx_desc {
 } __attribute__((aligned(4)));
 
 struct ag71xx_buf {
-       struct sk_buff  *skb;
-       struct ag71xx_desc *desc;
+       struct sk_buff          *skb;
+       struct ag71xx_desc      *desc;
+       dma_addr_t              dma_addr;
+       u32                     pad;
 };
 
 struct ag71xx_ring {
@@ -109,8 +111,36 @@ struct ag71xx_mdio {
        struct ag71xx_mdio_platform_data *pdata;
 };
 
+struct ag71xx_int_stats {
+       unsigned long           rx_pr;
+       unsigned long           rx_be;
+       unsigned long           rx_of;
+       unsigned long           tx_ps;
+       unsigned long           tx_be;
+       unsigned long           tx_ur;
+       unsigned long           total;
+};
+
+struct ag71xx_napi_stats {
+       unsigned long           napi_calls;
+       unsigned long           rx_count;
+       unsigned long           rx_packets;
+       unsigned long           rx_packets_max;
+       unsigned long           tx_count;
+       unsigned long           tx_packets;
+       unsigned long           tx_packets_max;
+
+       unsigned long           rx[AG71XX_NAPI_WEIGHT + 1];
+       unsigned long           tx[AG71XX_NAPI_WEIGHT + 1];
+};
+
 struct ag71xx_debug {
        struct dentry           *debugfs_dir;
+       struct dentry           *debugfs_int_stats;
+       struct dentry           *debugfs_napi_stats;
+
+       struct ag71xx_int_stats int_stats;
+       struct ag71xx_napi_stats napi_stats;
 };
 
 struct ag71xx {
@@ -142,6 +172,7 @@ struct ag71xx {
 };
 
 extern struct ethtool_ops ag71xx_ethtool_ops;
+void ag71xx_link_adjust(struct ag71xx *ag);
 
 int ag71xx_mdio_driver_init(void) __init;
 void ag71xx_mdio_driver_exit(void);
@@ -315,76 +346,56 @@ static inline int ag71xx_desc_pktlen(struct ag71xx_desc *desc)
 #define MII_CTRL_SPEED_100     1
 #define MII_CTRL_SPEED_1000    2
 
-static inline void ag71xx_wr(struct ag71xx *ag, unsigned reg, u32 value)
+static inline void ag71xx_check_reg_offset(struct ag71xx *ag, unsigned reg)
 {
-       void __iomem *r;
-
        switch (reg) {
        case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
        case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
-               r = ag->mac_base + reg;
-               __raw_writel(value, r);
-
-               /* flush write */
-               (void) __raw_readl(r);
                break;
+
        default:
                BUG();
        }
 }
 
-static inline u32 ag71xx_rr(struct ag71xx *ag, unsigned reg)
+static inline void ag71xx_wr(struct ag71xx *ag, unsigned reg, u32 value)
 {
-       void __iomem *r;
-       u32 ret;
+       ag71xx_check_reg_offset(ag, reg);
 
-       switch (reg) {
-       case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
-       case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
-               r = ag->mac_base + reg;
-               ret = __raw_readl(r);
-               break;
-       default:
-               BUG();
-       }
+       __raw_writel(value, ag->mac_base + reg);
+       /* flush write */
+       (void) __raw_readl(ag->mac_base + reg);
+}
+
+static inline u32 ag71xx_rr(struct ag71xx *ag, unsigned reg)
+{
+       ag71xx_check_reg_offset(ag, reg);
 
-       return ret;
+       return __raw_readl(ag->mac_base + reg);
 }
 
 static inline void ag71xx_sb(struct ag71xx *ag, unsigned reg, u32 mask)
 {
        void __iomem *r;
 
-       switch (reg) {
-       case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
-       case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
-               r = ag->mac_base + reg;
-               __raw_writel(__raw_readl(r) | mask, r);
+       ag71xx_check_reg_offset(ag, reg);
 
-               /* flush write */
-               (void)__raw_readl(r);
-               break;
-       default:
-               BUG();
-       }
+       r = ag->mac_base + reg;
+       __raw_writel(__raw_readl(r) | mask, r);
+       /* flush write */
+       (void)__raw_readl(r);
 }
 
 static inline void ag71xx_cb(struct ag71xx *ag, unsigned reg, u32 mask)
 {
        void __iomem *r;
 
-       switch (reg) {
-       case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
-       case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
-               r = ag->mac_base + reg;
-               __raw_writel(__raw_readl(r) & ~mask, r);
+       ag71xx_check_reg_offset(ag, reg);
 
-               /* flush write */
-               (void) __raw_readl(r);
-               break;
-       default:
-               BUG();
-       }
+       r = ag->mac_base + reg;
+       __raw_writel(__raw_readl(r) & ~mask, r);
+       /* flush write */
+       (void) __raw_readl(r);
 }
 
 static inline void ag71xx_int_enable(struct ag71xx *ag, u32 ints)
@@ -444,7 +455,12 @@ static void inline ag71xx_mii_ctrl_set_speed(struct ag71xx *ag,
 
 #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);
+int ag71xx_remove_ar8216_header(struct ag71xx *ag, struct sk_buff *skb,
+                               int pktlen);
+static inline int ag71xx_has_ar8216(struct ag71xx *ag)
+{
+       return ag71xx_get_pdata(ag)->has_ar8216;
+}
 #else
 static inline void ag71xx_add_ar8216_header(struct ag71xx *ag,
                                           struct sk_buff *skb)
@@ -452,7 +468,12 @@ static inline void ag71xx_add_ar8216_header(struct ag71xx *ag,
 }
 
 static inline int ag71xx_remove_ar8216_header(struct ag71xx *ag,
-                                             struct sk_buff *skb)
+                                             struct sk_buff *skb,
+                                             int pktlen)
+{
+       return 0;
+}
+static inline int ag71xx_has_ar8216(struct ag71xx *ag)
 {
        return 0;
 }
@@ -463,11 +484,17 @@ int ag71xx_debugfs_root_init(void);
 void ag71xx_debugfs_root_exit(void);
 int ag71xx_debugfs_init(struct ag71xx *ag);
 void ag71xx_debugfs_exit(struct ag71xx *ag);
+void ag71xx_debugfs_update_int_stats(struct ag71xx *ag, u32 status);
+void ag71xx_debugfs_update_napi_stats(struct ag71xx *ag, int rx, int tx);
 #else
 static inline int ag71xx_debugfs_root_init(void) { return 0; }
 static inline void ag71xx_debugfs_root_exit(void) {}
 static inline int ag71xx_debugfs_init(struct ag71xx *ag) { return 0; }
 static inline void ag71xx_debugfs_exit(struct ag71xx *ag) {}
+static inline void ag71xx_debugfs_update_int_stats(struct ag71xx *ag,
+                                                  u32 status) {}
+static inline void ag71xx_debugfs_update_napi_stats(struct ag71xx *ag,
+                                                   int rx, int tx) {}
 #endif /* CONFIG_AG71XX_DEBUG_FS */
 
 #endif /* _AG71XX_H */