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| author | David S. Miller <davem@davemloft.net> | 2011-04-19 09:21:33 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-04-19 09:21:33 +0200 |
| commit | e1943424e43974f85b82bb31eaf832823bf49ce7 (patch) | |
| tree | 00a2dda7454ba186c0be4bfb8d08b7f74c3cd98c /drivers/net/qlcnic | |
| parent | net: qlge: convert to hw_features (diff) | |
| parent | ip6_pol_route panic: Do not allow VLAN on loopback (diff) | |
| download | linux-e1943424e43974f85b82bb31eaf832823bf49ce7.tar.xz linux-e1943424e43974f85b82bb31eaf832823bf49ce7.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/bnx2x/bnx2x_ethtool.c
Diffstat (limited to 'drivers/net/qlcnic')
| -rw-r--r-- | drivers/net/qlcnic/qlcnic.h | 1 | ||||
| -rw-r--r-- | drivers/net/qlcnic/qlcnic_main.c | 14 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h index b6e0fc33585f..e5d30538f373 100644 --- a/drivers/net/qlcnic/qlcnic.h +++ b/drivers/net/qlcnic/qlcnic.h @@ -99,6 +99,7 @@ #define TX_UDPV6_PKT 0x0c /* Tx defines */ +#define QLCNIC_MAX_FRAGS_PER_TX 14 #define MAX_TSO_HEADER_DESC 2 #define MGMT_CMD_DESC_RESV 4 #define TX_STOP_THRESH ((MAX_SKB_FRAGS >> 2) + MAX_TSO_HEADER_DESC \ diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c index 7f9edb2f1474..e9e9ba6efc5f 100644 --- a/drivers/net/qlcnic/qlcnic_main.c +++ b/drivers/net/qlcnic/qlcnic_main.c @@ -2138,6 +2138,7 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) struct cmd_desc_type0 *hwdesc, *first_desc; struct pci_dev *pdev; struct ethhdr *phdr; + int delta = 0; int i, k; u32 producer; @@ -2157,6 +2158,19 @@ qlcnic_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 > QLCNIC_MAX_FRAGS_PER_TX) { + + for (i = 0; i < (frag_count - QLCNIC_MAX_FRAGS_PER_TX); i++) + delta += skb_shinfo(skb)->frags[i].size; + + if (!__pskb_pull_tail(skb, delta)) + goto drop_packet; + + frag_count = 1 + skb_shinfo(skb)->nr_frags; + } if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) { netif_stop_queue(netdev); |