iwlwifi: support host command with copied data

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In addition to the NOCOPY flag, add a DUP flag that
tells the transport to kmemdup() the buffer and free
it after the command completes.

Currently this is only supported for a single buffer
in a given command, but that could be extended if it
should be needed.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

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This commit is contained in:

Johannes Berg 2012-10-19 14:24:43 +02:00

parent 86052a7706

commit f4feb8ac6e

5 changed files with 59 additions and 10 deletions

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6

drivers/net/wireless/iwlwifi/iwl-trans.h

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2

drivers/net/wireless/iwlwifi/pcie/internal.h

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3

drivers/net/wireless/iwlwifi/pcie/rx.c

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1

drivers/net/wireless/iwlwifi/pcie/trans.c

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57

drivers/net/wireless/iwlwifi/pcie/tx.c

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