The MSS in the transmit engine only has to change if TSO mtu changes. This
means less commands to the chip when mixing TSO and regular data.
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
--- sky2.orig/drivers/net/sky2.c 2006-08-28 10:00:07.000000000 -0700
+++ sky2/drivers/net/sky2.c 2006-08-28 10:00:08.000000000 -0700
@@ -1244,15 +1244,15 @@
mss += ((skb->h.th->doff - 5) * 4); /* TCP options */
mss += (skb->nh.iph->ihl * 4) + sizeof(struct tcphdr);
mss += ETH_HLEN;
- }
- if (mss != sky2->tx_last_mss) {
- le = get_tx_le(sky2);
- le->tx.tso.size = cpu_to_le16(mss);
- le->tx.tso.rsvd = 0;
- le->opcode = OP_LRGLEN | HW_OWNER;
- le->ctrl = 0;
- sky2->tx_last_mss = mss;
+ if (mss != sky2->tx_last_mss) {
+ le = get_tx_le(sky2);
+ le->tx.tso.size = cpu_to_le16(mss);
+ le->tx.tso.rsvd = 0;
+ le->opcode = OP_LRGLEN | HW_OWNER;
+ le->ctrl = 0;
+ sky2->tx_last_mss = mss;
+ }
}
ctrl = 0;
@@ -1320,7 +1320,7 @@
le->opcode = OP_BUFFER | HW_OWNER;
fre = sky2->tx_ring
- + RING_NEXT((re - sky2->tx_ring) + i, TX_RING_SIZE);
+ + RING_NEXT((re - sky2->tx_ring) + i, TX_RING_SIZE);
pci_unmap_addr_set(fre, mapaddr, mapping);
}
--
Stephen Hemminger <[EMAIL PROTECTED]>
-
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