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authorDavid S. Miller <davem@davemloft.net>2011-04-11 22:44:25 +0200
committerDavid S. Miller <davem@davemloft.net>2011-04-11 22:44:25 +0200
commit1c01a80cfec6f806246f31ff2680cd3639b30e67 (patch)
tree0b554aad2ec1da71ecf6339d4ba51617bfe1dc3c /drivers/net/netxen/netxen_nic_main.c
parentniu: Recognise original ethtool class code for AH/ESP flow hashing (diff)
parentcaif: performance bugfix - allow radio stack to prioritize packets. (diff)
downloadlinux-1c01a80cfec6f806246f31ff2680cd3639b30e67.tar.xz
linux-1c01a80cfec6f806246f31ff2680cd3639b30e67.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/smsc911x.c
Diffstat (limited to 'drivers/net/netxen/netxen_nic_main.c')
-rw-r--r--drivers/net/netxen/netxen_nic_main.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 201b944bd463..b644383017f9 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -1877,6 +1877,8 @@ netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
struct cmd_desc_type0 *hwdesc, *first_desc;
struct pci_dev *pdev;
int i, k;
+ int delta = 0;
+ struct skb_frag_struct *frag;
u32 producer;
int frag_count, no_of_desc;
@@ -1884,6 +1886,21 @@ netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
frag_count = skb_shinfo(skb)->nr_frags + 1;
+ /* 14 frags supported for normal packet and
+ * 32 frags supported for TSO packet
+ */
+ if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) {
+
+ for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) {
+ frag = &skb_shinfo(skb)->frags[i];
+ delta += frag->size;
+ }
+
+ if (!__pskb_pull_tail(skb, delta))
+ goto drop_packet;
+
+ frag_count = 1 + skb_shinfo(skb)->nr_frags;
+ }
/* 4 fragments per cmd des */
no_of_desc = (frag_count + 3) >> 2;