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This patch adds containers and mutators for the major ieee802154_llsec structures to mac802154. Most of the (rather simple) ieee802154_llsec structs are wrapped only to provide an rcu_head for orderly disposal, but some structs - llsec keys notably - require more complex bookkeeping. Since each llsec key may be referenced by a number of llsec key table entries (with differing key ids, but the same actual key), we want to save memory and not allocate crypto transforms for each entry in the table. Thus, the mac802154 llsec key is reference-counted instead. Further, each key will have four associated crypto transforms - three CCM transforms for the authsizes 4/8/16 and one CTR transform for unauthenticated encryption. If we had a CCM* transform that allowed authsize 0, and authsize as part of requests instead of transforms, this would not be necessary. Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de> Signed-off-by: David S. Miller <davem@davemloft.net>
6 lines
167 B
Makefile
6 lines
167 B
Makefile
obj-$(CONFIG_MAC802154) += mac802154.o
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mac802154-objs := ieee802154_dev.o rx.o tx.o mac_cmd.o mib.o \
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monitor.o wpan.o llsec.o
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ccflags-y += -D__CHECK_ENDIAN__
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