sfc: support GRE TSO on EF100

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We can treat SKB_GSO_GRE almost exactly the same as UDP tunnels, except
 that we don't want to edit the outer UDP len (as there isn't one).
For SKB_GSO_GRE_CSUM, we have to use GSO_PARTIAL as the device doesn't
 support offload of non-UDP outer L4 checksums.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Martin Habets <mhabets@solarflare.com>
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>

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Edward Cree 2020-11-12 15:20:05 +00:00 • committed by Jakub Kicinski

parent 42bfd69a9f

commit c5122cf584

2 changed files with 11 additions and 2 deletions

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7

drivers/net/ethernet/sfc/ef100_nic.c

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6

drivers/net/ethernet/sfc/ef100_tx.c

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