net: macb: initialize checksum when using checksum offloading

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I'm still struggling to get this fix right..

Changes since v2:
 - do not blindly modify SKB contents according to Dave's legitimate
   objection

Changes since v1:
 - dropped disabling HW checksum offload for Zynq
 - initialize checksum similar to net/ethernet/freescale/fec_main.c

-- >8 --
MACB/GEM needs the checksum field initialized to 0 to get correct
results on transmit in all cases, e.g. on Zynq, UDP packets with
payload <= 2 otherwise contain a wrong checksums.

Signed-off-by: Helmut Buchsbaum <helmut.buchsbaum@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Helmut Buchsbaum 2016-09-04 18:09:47 +02:00 • committed by David S. Miller

parent 03c2778a93

commit 007e4ba3ee

1 changed files with 23 additions and 0 deletions

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23

drivers/net/ethernet/cadence/macb.c

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