[netdrvr] forcedeth: remove in-driver copy of net_device_stats

A copy of struct net_device_stats now lives in struct net_device,
making in-driver copies a waste of memory.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 16f7a07..cfbb7aa 100644 (file)
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -128,7 +128,7 @@
 #else
 #define DRIVERNAPI
 #endif
-#define FORCEDETH_VERSION              "0.60"
+#define FORCEDETH_VERSION              "0.61"
 #define DRV_NAME                       "forcedeth"
 
 #include <linux/module.h>
@@ -752,7 +752,6 @@ struct fe_priv {
 
        /* General data:
         * Locking: spin_lock(&np->lock); */
-       struct net_device_stats stats;
        struct nv_ethtool_stats estats;
        int in_shutdown;
        u32 linkspeed;
@@ -1505,15 +1504,16 @@ static struct net_device_stats *nv_get_stats(struct net_device *dev)
                nv_get_hw_stats(dev);
 
                /* copy to net_device stats */
-               np->stats.tx_bytes = np->estats.tx_bytes;
-               np->stats.tx_fifo_errors = np->estats.tx_fifo_errors;
-               np->stats.tx_carrier_errors = np->estats.tx_carrier_errors;
-               np->stats.rx_crc_errors = np->estats.rx_crc_errors;
-               np->stats.rx_over_errors = np->estats.rx_over_errors;
-               np->stats.rx_errors = np->estats.rx_errors_total;
-               np->stats.tx_errors = np->estats.tx_errors_total;
-       }
-       return &np->stats;
+               dev->stats.tx_bytes = np->estats.tx_bytes;
+               dev->stats.tx_fifo_errors = np->estats.tx_fifo_errors;
+               dev->stats.tx_carrier_errors = np->estats.tx_carrier_errors;
+               dev->stats.rx_crc_errors = np->estats.rx_crc_errors;
+               dev->stats.rx_over_errors = np->estats.rx_over_errors;
+               dev->stats.rx_errors = np->estats.rx_errors_total;
+               dev->stats.tx_errors = np->estats.tx_errors_total;
+       }
+
+       return &dev->stats;
 }
 
 /*
@@ -1733,7 +1733,7 @@ static void nv_drain_tx(struct net_device *dev)
                        np->tx_ring.ex[i].buflow = 0;
                }
                if (nv_release_txskb(dev, &np->tx_skb[i]))
-                       np->stats.tx_dropped++;
+                       dev->stats.tx_dropped++;
        }
 }
 
@@ -2049,13 +2049,13 @@ static void nv_tx_done(struct net_device *dev)
                        if (flags & NV_TX_LASTPACKET) {
                                if (flags & NV_TX_ERROR) {
                                        if (flags & NV_TX_UNDERFLOW)
-                                               np->stats.tx_fifo_errors++;
+                                               dev->stats.tx_fifo_errors++;
                                        if (flags & NV_TX_CARRIERLOST)
-                                               np->stats.tx_carrier_errors++;
-                                       np->stats.tx_errors++;
+                                               dev->stats.tx_carrier_errors++;
+                                       dev->stats.tx_errors++;
                                } else {
-                                       np->stats.tx_packets++;
-                                       np->stats.tx_bytes += np->get_tx_ctx->skb->len;
+                                       dev->stats.tx_packets++;
+                                       dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
                                }
                                dev_kfree_skb_any(np->get_tx_ctx->skb);
                                np->get_tx_ctx->skb = NULL;
@@ -2064,13 +2064,13 @@ static void nv_tx_done(struct net_device *dev)
                        if (flags & NV_TX2_LASTPACKET) {
                                if (flags & NV_TX2_ERROR) {
                                        if (flags & NV_TX2_UNDERFLOW)
-                                               np->stats.tx_fifo_errors++;
+                                               dev->stats.tx_fifo_errors++;
                                        if (flags & NV_TX2_CARRIERLOST)
-                                               np->stats.tx_carrier_errors++;
-                                       np->stats.tx_errors++;
+                                               dev->stats.tx_carrier_errors++;
+                                       dev->stats.tx_errors++;
                                } else {
-                                       np->stats.tx_packets++;
-                                       np->stats.tx_bytes += np->get_tx_ctx->skb->len;
+                                       dev->stats.tx_packets++;
+                                       dev->stats.tx_bytes += np->get_tx_ctx->skb->len;
                                }
                                dev_kfree_skb_any(np->get_tx_ctx->skb);
                                np->get_tx_ctx->skb = NULL;
@@ -2107,7 +2107,7 @@ static void nv_tx_done_optimized(struct net_device *dev, int limit)
 
                if (flags & NV_TX2_LASTPACKET) {
                        if (!(flags & NV_TX2_ERROR))
-                               np->stats.tx_packets++;
+                               dev->stats.tx_packets++;
                        dev_kfree_skb_any(np->get_tx_ctx->skb);
                        np->get_tx_ctx->skb = NULL;
                }
@@ -2308,7 +2308,7 @@ static int nv_rx_process(struct net_device *dev, int limit)
                                        if (flags & NV_RX_ERROR4) {
                                                len = nv_getlen(dev, skb->data, len);
                                                if (len < 0) {
-                                                       np->stats.rx_errors++;
+                                                       dev->stats.rx_errors++;
                                                        dev_kfree_skb(skb);
                                                        goto next_pkt;
                                                }
@@ -2322,12 +2322,12 @@ static int nv_rx_process(struct net_device *dev, int limit)
                                        /* the rest are hard errors */
                                        else {
                                                if (flags & NV_RX_MISSEDFRAME)
-                                                       np->stats.rx_missed_errors++;
+                                                       dev->stats.rx_missed_errors++;
                                                if (flags & NV_RX_CRCERR)
-                                                       np->stats.rx_crc_errors++;
+                                                       dev->stats.rx_crc_errors++;
                                                if (flags & NV_RX_OVERFLOW)
-                                                       np->stats.rx_over_errors++;
-                                               np->stats.rx_errors++;
+                                                       dev->stats.rx_over_errors++;
+                                               dev->stats.rx_errors++;
                                                dev_kfree_skb(skb);
                                                goto next_pkt;
                                        }
@@ -2343,7 +2343,7 @@ static int nv_rx_process(struct net_device *dev, int limit)
                                        if (flags & NV_RX2_ERROR4) {
                                                len = nv_getlen(dev, skb->data, len);
                                                if (len < 0) {
-                                                       np->stats.rx_errors++;
+                                                       dev->stats.rx_errors++;
                                                        dev_kfree_skb(skb);
                                                        goto next_pkt;
                                                }
@@ -2357,10 +2357,10 @@ static int nv_rx_process(struct net_device *dev, int limit)
                                        /* the rest are hard errors */
                                        else {
                                                if (flags & NV_RX2_CRCERR)
-                                                       np->stats.rx_crc_errors++;
+                                                       dev->stats.rx_crc_errors++;
                                                if (flags & NV_RX2_OVERFLOW)
-                                                       np->stats.rx_over_errors++;
-                                               np->stats.rx_errors++;
+                                                       dev->stats.rx_over_errors++;
+                                               dev->stats.rx_errors++;
                                                dev_kfree_skb(skb);
                                                goto next_pkt;
                                        }
@@ -2389,8 +2389,8 @@ static int nv_rx_process(struct net_device *dev, int limit)
                netif_rx(skb);
 #endif
                dev->last_rx = jiffies;
-               np->stats.rx_packets++;
-               np->stats.rx_bytes += len;
+               dev->stats.rx_packets++;
+               dev->stats.rx_bytes += len;
 next_pkt:
                if (unlikely(np->get_rx.orig++ == np->last_rx.orig))
                        np->get_rx.orig = np->first_rx.orig;
@@ -2507,8 +2507,8 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit)
                        }
 
                        dev->last_rx = jiffies;
-                       np->stats.rx_packets++;
-                       np->stats.rx_bytes += len;
+                       dev->stats.rx_packets++;
+                       dev->stats.rx_bytes += len;
                } else {
                        dev_kfree_skb(skb);
                }