ftrace: Documentation

[linux-2.6] / drivers / net / ibm_newemac / core.c

diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 490d690b5e7ffa5c242c51fb58c6b9266ca175f0..babc79ad490b6ada422a3ce96f9fefd510050b65 100644 (file)
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -738,7 +738,7 @@ static int __emac_mdio_read(struct emac_instance *dev, u8 id, u8 reg)
                rgmii_get_mdio(dev->rgmii_dev, dev->rgmii_port);
 
        /* Wait for management interface to become idle */
-       n = 10;
+       n = 20;
        while (!emac_phy_done(dev, in_be32(&p->stacr))) {
                udelay(1);
                if (!--n) {
@@ -763,7 +763,7 @@ static int __emac_mdio_read(struct emac_instance *dev, u8 id, u8 reg)
        out_be32(&p->stacr, r);
 
        /* Wait for read to complete */
-       n = 100;
+       n = 200;
        while (!emac_phy_done(dev, (r = in_be32(&p->stacr)))) {
                udelay(1);
                if (!--n) {
@@ -810,7 +810,7 @@ static void __emac_mdio_write(struct emac_instance *dev, u8 id, u8 reg,
                rgmii_get_mdio(dev->rgmii_dev, dev->rgmii_port);
 
        /* Wait for management interface to be idle */
-       n = 10;
+       n = 20;
        while (!emac_phy_done(dev, in_be32(&p->stacr))) {
                udelay(1);
                if (!--n) {
@@ -836,7 +836,7 @@ static void __emac_mdio_write(struct emac_instance *dev, u8 id, u8 reg,
        out_be32(&p->stacr, r);
 
        /* Wait for write to complete */
-       n = 100;
+       n = 200;
        while (!emac_phy_done(dev, in_be32(&p->stacr))) {
                udelay(1);
                if (!--n) {
@@ -1636,6 +1636,12 @@ static int emac_poll_rx(void *param, int budget)
                        goto next;
                }
 
+               if (len < ETH_HLEN) {
+                       ++dev->estats.rx_dropped_stack;
+                       emac_recycle_rx_skb(dev, slot, len);
+                       goto next;
+               }
+
                if (len && len < EMAC_RX_COPY_THRESH) {
                        struct sk_buff *copy_skb =
                            alloc_skb(len + EMAC_RX_SKB_HEADROOM + 2, GFP_ATOMIC);
@@ -2719,6 +2725,8 @@ static int __devinit emac_probe(struct of_device *ofdev,
        /* Clean rings */
        memset(dev->tx_desc, 0, NUM_TX_BUFF * sizeof(struct mal_descriptor));
        memset(dev->rx_desc, 0, NUM_RX_BUFF * sizeof(struct mal_descriptor));
+       memset(dev->tx_skb, 0, NUM_TX_BUFF * sizeof(struct sk_buff *));
+       memset(dev->rx_skb, 0, NUM_RX_BUFF * sizeof(struct sk_buff *));
 
        /* Attach to ZMII, if needed */
        if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII) &&