1 files changed, 49 insertions, 61 deletions

diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 40ae36b20c9d..c0998ef938e0 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -32,6 +32,8 @@
  */
 #include <linux/init.h>
 #include <linux/dma-mapping.h>
+#include <linux/in.h>
+#include <linux/ip.h>
 #include <linux/tcp.h>
 #include <linux/udp.h>
 #include <linux/etherdevice.h>
@@ -444,6 +446,7 @@ static int mv643xx_eth_receive_queue(struct net_device *dev)
                         netif_rx(skb);
 #endif
                 }
+                dev->last_rx = jiffies;
         }
 
         return received_packets;
@@ -461,7 +464,7 @@ static int mv643xx_eth_receive_queue(struct net_device *dev)
  */
 
 static irqreturn_t mv643xx_eth_int_handler(int irq, void *dev_id,
-                                                        struct pt_regs *regs)
+                                                struct pt_regs *regs)
 {
         struct net_device *dev = (struct net_device *)dev_id;
         struct mv643xx_private *mp = netdev_priv(dev);
@@ -1047,16 +1050,15 @@ static int mv643xx_poll(struct net_device *dev, int *budget)
 
 static inline unsigned int has_tiny_unaligned_frags(struct sk_buff *skb)
 {
-        unsigned int frag;
-        skb_frag_t *fragp;
-
-        for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
-                fragp = &skb_shinfo(skb)->frags[frag];
-                if (fragp->size <= 8 && fragp->page_offset & 0x7)
-                        return 1;
+        unsigned int frag;
+        skb_frag_t *fragp;
 
-        }
-        return 0;
+        for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
+                fragp = &skb_shinfo(skb)->frags[frag];
+                if (fragp->size <= 8 && fragp->page_offset & 0x7)
+                        return 1;
+        }
+        return 0;
 }
 
 
@@ -2137,26 +2139,26 @@ static void eth_port_set_multicast_list(struct net_device *dev)
          */
         if ((dev->flags & IFF_PROMISC) || (dev->flags & IFF_ALLMULTI)) {
                 for (table_index = 0; table_index <= 0xFC; table_index += 4) {
-                         /* Set all entries in DA filter special multicast
-                          * table (Ex_dFSMT)
-                          * Set for ETH_Q0 for now
-                          * Bits
-                          * 0     Accept=1, Drop=0
-                          * 3-1  Queue   ETH_Q0=0
-                          * 7-4  Reserved = 0;
-                          */
-                         mv_write(MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE(eth_port_num) + table_index, 0x01010101);
-
-                         /* Set all entries in DA filter other multicast
-                          * table (Ex_dFOMT)
-                          * Set for ETH_Q0 for now
-                          * Bits
-                          * 0     Accept=1, Drop=0
-                          * 3-1  Queue   ETH_Q0=0
-                          * 7-4  Reserved = 0;
-                          */
-                         mv_write(MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE(eth_port_num) + table_index, 0x01010101);
-        }
+                        /* Set all entries in DA filter special multicast
+                         * table (Ex_dFSMT)
+                         * Set for ETH_Q0 for now
+                         * Bits
+                         * 0      Accept=1, Drop=0
+                         * 3-1  Queue    ETH_Q0=0
+                         * 7-4  Reserved = 0;
+                         */
+                        mv_write(MV643XX_ETH_DA_FILTER_SPECIAL_MULTICAST_TABLE_BASE(eth_port_num) + table_index, 0x01010101);
+
+                        /* Set all entries in DA filter other multicast
+                         * table (Ex_dFOMT)
+                         * Set for ETH_Q0 for now
+                         * Bits
+                         * 0      Accept=1, Drop=0
+                         * 3-1  Queue    ETH_Q0=0
+                         * 7-4  Reserved = 0;
+                         */
+                        mv_write(MV643XX_ETH_DA_FILTER_OTHER_MULTICAST_TABLE_BASE(eth_port_num) + table_index, 0x01010101);
+                }
                 return;
         }
 
@@ -2617,7 +2619,6 @@ static ETH_FUNC_RET_STATUS eth_port_send(struct mv643xx_private *mp,
         struct eth_tx_desc *current_descriptor;
         struct eth_tx_desc *first_descriptor;
         u32 command;
-        unsigned long flags;
 
         /* Do not process Tx ring in case of Tx ring resource error */
         if (mp->tx_resource_err)
@@ -2634,8 +2635,6 @@ static ETH_FUNC_RET_STATUS eth_port_send(struct mv643xx_private *mp,
                 return ETH_ERROR;
         }
 
-        spin_lock_irqsave(&mp->lock, flags);
-
         mp->tx_ring_skbs++;
         BUG_ON(mp->tx_ring_skbs > mp->tx_ring_size);
 
@@ -2685,15 +2684,11 @@ static ETH_FUNC_RET_STATUS eth_port_send(struct mv643xx_private *mp,
                 mp->tx_resource_err = 1;
                 mp->tx_curr_desc_q = tx_first_desc;
 
-                spin_unlock_irqrestore(&mp->lock, flags);
-
                 return ETH_QUEUE_LAST_RESOURCE;
         }
 
         mp->tx_curr_desc_q = tx_next_desc;
 
-        spin_unlock_irqrestore(&mp->lock, flags);
-
         return ETH_OK;
 }
 #else
@@ -2704,14 +2699,11 @@ static ETH_FUNC_RET_STATUS eth_port_send(struct mv643xx_private *mp,
         int tx_desc_used;
         struct eth_tx_desc *current_descriptor;
         unsigned int command_status;
-        unsigned long flags;
 
         /* Do not process Tx ring in case of Tx ring resource error */
         if (mp->tx_resource_err)
                 return ETH_QUEUE_FULL;
 
-        spin_lock_irqsave(&mp->lock, flags);
-
         mp->tx_ring_skbs++;
         BUG_ON(mp->tx_ring_skbs > mp->tx_ring_size);
 
@@ -2742,12 +2734,9 @@ static ETH_FUNC_RET_STATUS eth_port_send(struct mv643xx_private *mp,
         /* Check for ring index overlap in the Tx desc ring */
         if (tx_desc_curr == tx_desc_used) {
                 mp->tx_resource_err = 1;
-
-                spin_unlock_irqrestore(&mp->lock, flags);
                 return ETH_QUEUE_LAST_RESOURCE;
         }
 
-        spin_unlock_irqrestore(&mp->lock, flags);
         return ETH_OK;
 }
 #endif
@@ -2898,8 +2887,10 @@ static ETH_FUNC_RET_STATUS eth_port_receive(struct mv643xx_private *mp,
         p_pkt_info->return_info = mp->rx_skb[rx_curr_desc];
         p_pkt_info->l4i_chk = p_rx_desc->buf_size;
 
-        /* Clean the return info field to indicate that the packet has been */
-        /* moved to the upper layers                                        */
+        /*
+         * Clean the return info field to indicate that the
+         * packet has been moved to the upper layers
+         */
         mp->rx_skb[rx_curr_desc] = NULL;
 
         /* Update current index in data structure */
@@ -2980,7 +2971,7 @@ struct mv643xx_stats {
 };
 
 #define MV643XX_STAT(m) sizeof(((struct mv643xx_private *)0)->m), \
-                      offsetof(struct mv643xx_private, m)
+                                        offsetof(struct mv643xx_private, m)
 
 static const struct mv643xx_stats mv643xx_gstrings_stats[] = {
         { "rx_packets", MV643XX_STAT(stats.rx_packets) },
@@ -3131,9 +3122,8 @@ mv643xx_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
         return 0;
 }
 
-static void
-mv643xx_get_drvinfo(struct net_device *netdev,
-                       struct ethtool_drvinfo *drvinfo)
+static void mv643xx_get_drvinfo(struct net_device *netdev,
+                                struct ethtool_drvinfo *drvinfo)
 {
         strncpy(drvinfo->driver,  mv643xx_driver_name, 32);
         strncpy(drvinfo->version, mv643xx_driver_version, 32);
@@ -3142,39 +3132,37 @@ mv643xx_get_drvinfo(struct net_device *netdev,
         drvinfo->n_stats = MV643XX_STATS_LEN;
 }
 
-static int 
-mv643xx_get_stats_count(struct net_device *netdev)
+static int mv643xx_get_stats_count(struct net_device *netdev)
 {
         return MV643XX_STATS_LEN;
 }
 
-static void 
-mv643xx_get_ethtool_stats(struct net_device *netdev, 
-                struct ethtool_stats *stats, uint64_t *data)
+static void mv643xx_get_ethtool_stats(struct net_device *netdev,
+                                struct ethtool_stats *stats, uint64_t *data)
 {
         struct mv643xx_private *mp = netdev->priv;
         int i;
 
         eth_update_mib_counters(mp);
 
-        for(i = 0; i < MV643XX_STATS_LEN; i++) {
+        for (i = 0; i < MV643XX_STATS_LEN; i++) {
                 char *p = (char *)mp+mv643xx_gstrings_stats[i].stat_offset;     
-                data[i] = (mv643xx_gstrings_stats[i].sizeof_stat == 
+                data[i] = (mv643xx_gstrings_stats[i].sizeof_stat ==
                         sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
         }
 }
 
-static void 
-mv643xx_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
+static void mv643xx_get_strings(struct net_device *netdev, uint32_t stringset,
+                                uint8_t *data)
 {
         int i;
 
         switch(stringset) {
         case ETH_SS_STATS:
                 for (i=0; i < MV643XX_STATS_LEN; i++) {
-                        memcpy(data + i * ETH_GSTRING_LEN, 
-                        mv643xx_gstrings_stats[i].stat_string,
-                        ETH_GSTRING_LEN);
+                        memcpy(data + i * ETH_GSTRING_LEN,
+                                        mv643xx_gstrings_stats[i].stat_string,
+                                        ETH_GSTRING_LEN);
                 }
                 break;
         }