qeth: fix page breaks in hw headers

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Turning on memory debugging showed there could be page breaks in
hardware headers. OSA does not allow this so we had to add code
to bounce the header in case there is a page break. This patch also
fixes a problem in case the skb->data part of a fragmented skb
spreads multiple pages.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Frank Blaschka 2010-06-21 22:57:10 +00:00 • committed by David S. Miller

parent 43a65303fe

commit 51aa165c9f

4 changed files with 65 additions and 73 deletions

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1

drivers/s390/net/qeth_core.h

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104

drivers/s390/net/qeth_core_main.c

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7

drivers/s390/net/qeth_l2_main.c

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26

drivers/s390/net/qeth_l3_main.c

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