atlantic: fix iommu errors

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Call skb_frag_dma_map multiple times if tx length is greater than
device max and avoid processing tx ring until entire packet has been
sent.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Pavel Belous 2017-09-25 10:48:50 +03:00 • committed by David S. Miller

parent a7bb1bea3a

commit c754568924

3 changed files with 49 additions and 27 deletions

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43

drivers/net/ethernet/aquantia/atlantic/aq_nic.c

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27

drivers/net/ethernet/aquantia/atlantic/aq_ring.c

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6

drivers/net/ethernet/aquantia/atlantic/aq_ring.h

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