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myri10ge: correctly detect when TSO should be used

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Correctly detect when TSO should be used on transmit by looking at the
skb->gso_size rather than seeing if the frame was larger than our MTU.
The old method causes problems when a host with a large (jumbo) MTU is
sending to a host with a small (standard) MTU.

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Brice Goglin 2007-03-27 21:54:53 +02:00 committed by Jeff Garzik
parent 28defbea64
commit 917690cd03
1 changed files with 3 additions and 4 deletions
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7
drivers/net/myri10ge/myri10ge.c
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@ -71,7 +71,7 @@
#include "myri10ge_mcp.h"
#include "myri10ge_mcp_gen_header.h"
#define MYRI10GE_VERSION_STR "1.3.0-1.226"
#define MYRI10GE_VERSION_STR "1.3.0-1.227"
MODULE_DESCRIPTION("Myricom 10G driver (10GbE)");
MODULE_AUTHOR("Maintainer: help@myri.com");
@ -2015,10 +2015,9 @@ again:
mss = 0;
max_segments = MXGEFW_MAX_SEND_DESC;
if (skb->len > (dev->mtu + ETH_HLEN)) {
if (skb_is_gso(skb)) {
mss = skb_shinfo(skb)->gso_size;
if (mss != 0)
max_segments = MYRI10GE_MAX_SEND_DESC_TSO;
max_segments = MYRI10GE_MAX_SEND_DESC_TSO;
}
if ((unlikely(avail < max_segments))) {