diff options
| author | Jeff Garzik <jgarzik@pobox.com> | 2005-08-29 19:24:43 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-08-29 19:24:43 -0400 |
| commit | 76b2bf9b4dee2fb32ef17f5c84a99ce481a14be2 (patch) | |
| tree | 49cd36d6e980044c2a88f2c14cdc9259e0f0f1b4 /drivers/net/mv643xx_eth.c | |
| parent | 2fca877b68b2b4fc5b94277858a1bedd46017cde (diff) | |
| parent | 8f3d17fb7bcb7c255197d11469fb5e9695c9d2f4 (diff) | |
| download | talos-op-linux-76b2bf9b4dee2fb32ef17f5c84a99ce481a14be2.tar.gz talos-op-linux-76b2bf9b4dee2fb32ef17f5c84a99ce481a14be2.zip | |
Merge libata branch 'chs-support' to latest upstream kernel.
Diffstat (limited to 'drivers/net/mv643xx_eth.c')
| -rw-r--r-- | drivers/net/mv643xx_eth.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 0405e1f0d3df..fb6b232069d6 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -1157,16 +1157,20 @@ static int mv643xx_eth_start_xmit(struct sk_buff *skb, struct net_device *dev) if (!skb_shinfo(skb)->nr_frags) { linear: if (skb->ip_summed != CHECKSUM_HW) { + /* Errata BTS #50, IHL must be 5 if no HW checksum */ pkt_info.cmd_sts = ETH_TX_ENABLE_INTERRUPT | - ETH_TX_FIRST_DESC | ETH_TX_LAST_DESC; + ETH_TX_FIRST_DESC | + ETH_TX_LAST_DESC | + 5 << ETH_TX_IHL_SHIFT; pkt_info.l4i_chk = 0; } else { - u32 ipheader = skb->nh.iph->ihl << 11; pkt_info.cmd_sts = ETH_TX_ENABLE_INTERRUPT | - ETH_TX_FIRST_DESC | ETH_TX_LAST_DESC | - ETH_GEN_TCP_UDP_CHECKSUM | - ETH_GEN_IP_V_4_CHECKSUM | ipheader; + ETH_TX_FIRST_DESC | + ETH_TX_LAST_DESC | + ETH_GEN_TCP_UDP_CHECKSUM | + ETH_GEN_IP_V_4_CHECKSUM | + skb->nh.iph->ihl << ETH_TX_IHL_SHIFT; /* CPU already calculated pseudo header checksum. */ if (skb->nh.iph->protocol == IPPROTO_UDP) { pkt_info.cmd_sts |= ETH_UDP_FRAME; @@ -1193,7 +1197,6 @@ linear: stats->tx_bytes += pkt_info.byte_cnt; } else { unsigned int frag; - u32 ipheader; /* Since hardware can't handle unaligned fragments smaller * than 9 bytes, if we find any, we linearize the skb @@ -1222,12 +1225,16 @@ linear: DMA_TO_DEVICE); pkt_info.l4i_chk = 0; pkt_info.return_info = 0; - pkt_info.cmd_sts = ETH_TX_FIRST_DESC; - if (skb->ip_summed == CHECKSUM_HW) { - ipheader = skb->nh.iph->ihl << 11; - pkt_info.cmd_sts |= ETH_GEN_TCP_UDP_CHECKSUM | - ETH_GEN_IP_V_4_CHECKSUM | ipheader; + if (skb->ip_summed != CHECKSUM_HW) + /* Errata BTS #50, IHL must be 5 if no HW checksum */ + pkt_info.cmd_sts = ETH_TX_FIRST_DESC | + 5 << ETH_TX_IHL_SHIFT; + else { + pkt_info.cmd_sts = ETH_TX_FIRST_DESC | + ETH_GEN_TCP_UDP_CHECKSUM | + ETH_GEN_IP_V_4_CHECKSUM | + skb->nh.iph->ihl << ETH_TX_IHL_SHIFT; /* CPU already calculated pseudo header checksum. */ if (skb->nh.iph->protocol == IPPROTO_UDP) { pkt_info.cmd_sts |= ETH_UDP_FRAME; |
