diff options
| -rw-r--r-- | drivers/net/sky2.c | 17 | ||||
| -rw-r--r-- | drivers/net/sky2.h | 2 |
2 files changed, 13 insertions, 6 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index fe60f0462c9..eafb6327d68 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1280,12 +1280,17 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) if (skb->nh.iph->protocol == IPPROTO_UDP) ctrl |= UDPTCP; - le = get_tx_le(sky2); - le->tx.csum.start = cpu_to_le16(hdr); - le->tx.csum.offset = cpu_to_le16(offset); - le->length = 0; /* initial checksum value */ - le->ctrl = 1; /* one packet */ - le->opcode = OP_TCPLISW | HW_OWNER; + if (hdr != sky2->tx_csum_start || offset != sky2->tx_csum_offset) { + sky2->tx_csum_start = hdr; + sky2->tx_csum_offset = offset; + + le = get_tx_le(sky2); + le->tx.csum.start = cpu_to_le16(hdr); + le->tx.csum.offset = cpu_to_le16(offset); + le->length = 0; /* initial checksum value */ + le->ctrl = 1; /* one packet */ + le->opcode = OP_TCPLISW | HW_OWNER; + } } le = get_tx_le(sky2); diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index bb92f694247..fa8af9f503e 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -1843,6 +1843,8 @@ struct sky2_port { u32 tx_addr64; u16 tx_pending; u16 tx_last_mss; + u16 tx_csum_start; + u16 tx_csum_offset; struct ring_info *rx_ring ____cacheline_aligned_in_smp; struct sky2_rx_le *rx_le; |