nfp: add XDP support in the driver

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Add XDP support.  Separate stack's and XDP's TX rings logically.
Add functions for handling XDP_TX and cleanup of XDP's TX rings.
For XDP allocate all RX buffers as separate pages and map them
with DMA_BIDIRECTIONAL.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jakub Kicinski 2016-11-03 17:12:07 +00:00 • committed by David S. Miller

parent 68f929ff26

commit ecd63a0217

4 changed files with 449 additions and 101 deletions

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17

drivers/net/ethernet/netronome/nfp/nfp_net.h

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474

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

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37

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

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22

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

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