[SCSI] net: add NETIF_F_FCOE_CRC to can_checksum_protocol

[net-next-2.6.git] / net / core / dev.c

diff --git a/net/core/dev.c b/net/core/dev.c
index 8d675975d85b97cd6352e56999d6f3a1c13d4b0b..3d3670640c2d59458b66f1af59605904eaf4b427 100644 (file)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1090,7 +1090,7 @@ int dev_open(struct net_device *dev)
                /*
                 *      Enable NET_DMA
                 */
-               dmaengine_get();
+               net_dmaengine_get();
 
                /*
                 *      Initialize multicasting status
@@ -1172,7 +1172,7 @@ int dev_close(struct net_device *dev)
        /*
         *      Shutdown NET_DMA
         */
-       dmaengine_put();
+       net_dmaengine_put();
 
        return 0;
 }
@@ -1457,7 +1457,9 @@ static bool can_checksum_protocol(unsigned long features, __be16 protocol)
                ((features & NETIF_F_IP_CSUM) &&
                 protocol == htons(ETH_P_IP)) ||
                ((features & NETIF_F_IPV6_CSUM) &&
-                protocol == htons(ETH_P_IPV6)));
+                protocol == htons(ETH_P_IPV6)) ||
+               ((features & NETIF_F_FCOE_CRC) &&
+                protocol == htons(ETH_P_FCOE)));
 }
 
 static bool dev_can_checksum(struct net_device *dev, struct sk_buff *skb)
@@ -1534,7 +1536,19 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features)
        skb->mac_len = skb->network_header - skb->mac_header;
        __skb_pull(skb, skb->mac_len);
 
-       if (WARN_ON(skb->ip_summed != CHECKSUM_PARTIAL)) {
+       if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) {
+               struct net_device *dev = skb->dev;
+               struct ethtool_drvinfo info = {};
+
+               if (dev && dev->ethtool_ops && dev->ethtool_ops->get_drvinfo)
+                       dev->ethtool_ops->get_drvinfo(dev, &info);
+
+               WARN(1, "%s: caps=(0x%lx, 0x%lx) len=%d data_len=%d "
+                       "ip_summed=%d",
+                    info.driver, dev ? dev->features : 0L,
+                    skb->sk ? skb->sk->sk_route_caps : 0L,
+                    skb->len, skb->data_len, skb->ip_summed);
+
                if (skb_header_cloned(skb) &&
                    (err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
                        return ERR_PTR(err);
@@ -2476,6 +2490,9 @@ static int __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 
 int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
 {
+       if (netpoll_receive_skb(skb))
+               return NET_RX_DROP;
+
        switch (__napi_gro_receive(napi, skb)) {
        case -1:
                return netif_receive_skb(skb);
@@ -2524,6 +2541,7 @@ struct sk_buff *napi_fraginfo_skb(struct napi_struct *napi,
 
        if (!pskb_may_pull(skb, ETH_HLEN)) {
                napi_reuse_skb(napi, skb);
+               skb = NULL;
                goto out;
        }
 
@@ -2545,6 +2563,9 @@ int napi_gro_frags(struct napi_struct *napi, struct napi_gro_fraginfo *info)
        if (!skb)
                goto out;
 
+       if (netpoll_receive_skb(skb))
+               goto out;
+
        err = NET_RX_SUCCESS;
 
        switch (__napi_gro_receive(napi, skb)) {