nfp: avoid oversized TSO headers with metadata prepend

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In preparation for TSO over representors make sure the port id
prepend will always fit in the frame.  The current max header
length is 255, which is ample, so assume worst case scenario
of 8 byte prepend and save ourselves the conditionals.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jakub Kicinski 2018-11-27 22:24:52 -08:00 • committed by David S. Miller

parent b54ad0eaad

commit d7cc825225

1 changed files with 4 additions and 1 deletions

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drivers/net/ethernet/netronome/nfp/nfp_net_common.c

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