ar71xx: add some code to detect DMA stuck conditions on ar7240

[openwrt.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 3bcb896..0222cab 100644 (file)
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
@@ -25,6 +25,7 @@
 #include <linux/platform_device.h>
 #include <linux/ethtool.h>
 #include <linux/etherdevice.h>
+#include <linux/if_vlan.h>
 #include <linux/phy.h>
 #include <linux/skbuff.h>
 #include <linux/dma-mapping.h>
@@ -35,8 +36,6 @@
 #include <asm/mach-ar71xx/ar71xx.h>
 #include <asm/mach-ar71xx/platform.h>
 
-#define ETH_FCS_LEN    4
-
 #define AG71XX_DRV_NAME                "ag71xx"
 #define AG71XX_DRV_VERSION     "0.5.35"
 
@@ -50,18 +49,16 @@
 #define AG71XX_INT_POLL        (AG71XX_INT_RX | AG71XX_INT_TX)
 #define AG71XX_INT_INIT        (AG71XX_INT_ERR | AG71XX_INT_POLL)
 
-#define AG71XX_TX_FIFO_LEN     2048
 #define AG71XX_TX_MTU_LEN      1540
 #define AG71XX_RX_PKT_RESERVE  64
 #define AG71XX_RX_PKT_SIZE     \
-       (AG71XX_RX_PKT_RESERVE + ETH_HLEN + ETH_FRAME_LEN + ETH_FCS_LEN)
+       (AG71XX_RX_PKT_RESERVE + ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN)
 
-#define AG71XX_TX_RING_SIZE    64
-#define AG71XX_TX_THRES_STOP   (AG71XX_TX_RING_SIZE - 4)
-#define AG71XX_TX_THRES_WAKEUP \
-               (AG71XX_TX_RING_SIZE - (AG71XX_TX_RING_SIZE / 4))
+#define AG71XX_TX_RING_SIZE_DEFAULT    64
+#define AG71XX_RX_RING_SIZE_DEFAULT    128
 
-#define AG71XX_RX_RING_SIZE    128
+#define AG71XX_TX_RING_SIZE_MAX                256
+#define AG71XX_RX_RING_SIZE_MAX                256
 
 #ifdef CONFIG_AG71XX_DEBUG
 #define DBG(fmt, args...)      printk(KERN_DEBUG fmt, ## args)
@@ -151,6 +148,9 @@ struct ag71xx {
        struct napi_struct      napi;
        u32                     msg_enable;
 
+       struct ag71xx_desc      *stop_desc;
+       dma_addr_t              stop_desc_dma;
+
        struct ag71xx_ring      rx_ring;
        struct ag71xx_ring      tx_ring;
 
@@ -163,6 +163,7 @@ struct ag71xx {
        int                     duplex;
 
        struct work_struct      restart_work;
+       struct delayed_work     link_work;
        struct timer_list       oom_timer;
 
 #ifdef CONFIG_AG71XX_DEBUG_FS
@@ -235,6 +236,10 @@ static inline int ag71xx_desc_pktlen(struct ag71xx_desc *desc)
 #define AG71XX_REG_INT_ENABLE  0x0198
 #define AG71XX_REG_INT_STATUS  0x019c
 
+#define AG71XX_REG_FIFO_DEPTH  0x01a8
+#define AG71XX_REG_RX_SM       0x01b0
+#define AG71XX_REG_TX_SM       0x01b4
+
 #define MAC_CFG1_TXE           BIT(0)  /* Tx Enable */
 #define MAC_CFG1_STX           BIT(1)  /* Synchronize Tx Enable */
 #define MAC_CFG1_RXE           BIT(2)  /* Rx Enable */
@@ -350,6 +355,7 @@ static inline void ag71xx_check_reg_offset(struct ag71xx *ag, unsigned reg)
        switch (reg) {
        case AG71XX_REG_MAC_CFG1 ... AG71XX_REG_MAC_MFL:
        case AG71XX_REG_MAC_IFCTL ... AG71XX_REG_INT_STATUS:
+       case AG71XX_REG_MII_CFG:
                break;
 
        default: