ar71xx: rename ethernet pdata->builtin_switch to use_flow_control

[openwrt/openwrt.git] / target / linux / ar71xx / files / drivers / net / ethernet / atheros / ag71xx / ag71xx.h

diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
index 2d7c963a448df6d246807991f0cc5dcd75ae100f..5d03dcf2bd9fff11ca7d2f08786fdaa31c164661 100644 (file)
--- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
+++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
@@ -55,11 +55,11 @@
 #define AG71XX_TX_RING_SPLIT           512
 #define AG71XX_TX_RING_DS_PER_PKT      DIV_ROUND_UP(AG71XX_TX_MTU_LEN, \
                                                     AG71XX_TX_RING_SPLIT)
-#define AG71XX_TX_RING_SIZE_DEFAULT    48
-#define AG71XX_RX_RING_SIZE_DEFAULT    128
+#define AG71XX_TX_RING_SIZE_DEFAULT    128
+#define AG71XX_RX_RING_SIZE_DEFAULT    256
 
-#define AG71XX_TX_RING_SIZE_MAX                48
-#define AG71XX_RX_RING_SIZE_MAX                128
+#define AG71XX_TX_RING_SIZE_MAX                128
+#define AG71XX_RX_RING_SIZE_MAX                256
 
 #ifdef CONFIG_AG71XX_DEBUG
 #define DBG(fmt, args...)      pr_debug(fmt, ## args)
@@ -85,12 +85,14 @@ struct ag71xx_desc {
        u32     pad;
 } __attribute__((aligned(4)));
 
+#define AG71XX_DESC_SIZE       roundup(sizeof(struct ag71xx_desc), \
+                                       L1_CACHE_BYTES)
+
 struct ag71xx_buf {
        union {
                struct sk_buff  *skb;
                void            *rx_buf;
        };
-       struct ag71xx_desc      *desc;
        union {
                dma_addr_t      dma_addr;
                unsigned long   timestamp;
@@ -103,10 +105,9 @@ struct ag71xx_ring {
        u8                      *descs_cpu;
        dma_addr_t              descs_dma;
        u16                     desc_split;
-       u16                     desc_size;
+       u16                     order;
        unsigned int            curr;
        unsigned int            dirty;
-       unsigned int            size;
 };
 
 struct ag71xx_mdio {
@@ -203,6 +204,18 @@ static inline int ag71xx_desc_empty(struct ag71xx_desc *desc)
        return (desc->ctrl & DESC_EMPTY) != 0;
 }
 
+static inline struct ag71xx_desc *
+ag71xx_ring_desc(struct ag71xx_ring *ring, int idx)
+{
+       return (struct ag71xx_desc *) &ring->descs_cpu[idx * AG71XX_DESC_SIZE];
+}
+
+static inline int
+ag71xx_ring_size_order(int size)
+{
+       return fls(size - 1);
+}
+
 /* Register offsets */
 #define AG71XX_REG_MAC_CFG1    0x0000
 #define AG71XX_REG_MAC_CFG2    0x0004