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netdev: Initialize sequence number to random value

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This commit is contained in:
Koen Zandberg 2018-07-10 18:31:09 +02:00
parent ecaef7bfc5
commit aecbad960a
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GPG Key ID: 0895A893E6D2985B
2 changed files with 4 additions and 1 deletions
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1
Makefile.dep
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@ -59,6 +59,7 @@ endif
ifneq (,$(filter netdev_ieee802154,$(USEMODULE))) ifneq (,$(filter netdev_ieee802154,$(USEMODULE)))
USEMODULE += ieee802154 USEMODULE += ieee802154
USEMODULE += random
endif endif
ifneq (,$(filter gnrc_uhcpc,$(USEMODULE))) ifneq (,$(filter gnrc_uhcpc,$(USEMODULE)))

4
drivers/netdev_ieee802154/netdev_ieee802154.c
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@ -22,6 +22,7 @@
#include "net/eui64.h" #include "net/eui64.h"
#include "net/ieee802154.h" #include "net/ieee802154.h"
#include "net/netdev.h" #include "net/netdev.h"
#include "random.h"
#include "net/netdev/ieee802154.h" #include "net/netdev/ieee802154.h"
@ -52,7 +53,8 @@ static int _get_iid(netdev_ieee802154_t *dev, eui64_t *value, size_t max_len)
void netdev_ieee802154_reset(netdev_ieee802154_t *dev) void netdev_ieee802154_reset(netdev_ieee802154_t *dev)
{ {
dev->seq = 0; /* Only the least significant byte of the random value is used */
dev->seq = random_uint32();
dev->flags = 0; dev->flags = 0;
/* set default protocol */ /* set default protocol */