pktgen: Fix position of ip and udp header

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skb_set_network_header() expects an offset based on the data pointer
whereas skb_tail_offset() also includes the headroom. This resulted
in the ip header being written in a wrong location.

Use return values of skb_put() directly and rely on skb->len to
set mac, network, and transport header.

Cc: Simon Horman <horms@verge.net.au>
Cc: Daniel Borkmann <dborkmann@redhat.com>
Assisted-by: Daniel Borkmann <dborkmann@redhat.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Daniel Borkmann <dborkmann@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

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Thomas Graf 2013-06-03 11:49:23 +00:00 • committed by David S. Miller

parent 10e179e364

commit 525cebedb3

1 changed files with 12 additions and 27 deletions

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39

net/core/pktgen.c

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