sfc: Add support for 'extra' channel types

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Abstract some of the channel operations to allow for 'extra'
channels that do not have RX or TX queues.

- Try to assign a channel to each extra channel type that is enabled
  for the NIC, but gracefully degrade if we can't allocate sufficient
  MSI-X vectors
- Allow each extra channel type to generate its own channel name
- Allow channel types to disable reallocation and reinitialisation
  of their channels

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>

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This commit is contained in:

Ben Hutchings 2012-02-13 23:45:02 +00:00

parent a16e5b246c

commit 7f967c011a

3 changed files with 239 additions and 108 deletions

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322

drivers/net/ethernet/sfc/efx.c

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1

drivers/net/ethernet/sfc/efx.h

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34

drivers/net/ethernet/sfc/net_driver.h

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