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net: ieee802154: Handle disassocation notification from PAN coordinator

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PAN coordinator can decide to eject a client device from the PAN by
disassocating it.

Change-Id: Ia868554d40a7aceb4c75a0b426db45f56003fbb7
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This commit is contained in:
Tomasz Bursztyka 2016-10-20 13:43:47 +02:00
commit 5d0503fa30
1 changed files with 25 additions and 9 deletions
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34
subsys/net/ip/l2/ieee802154/ieee802154_mgmt.c
View file

@ -200,19 +200,35 @@ enum net_verdict ieee802154_handle_mac_command(struct net_if *iface,
{ {
struct ieee802154_context *ctx = net_if_l2_data(iface); struct ieee802154_context *ctx = net_if_l2_data(iface);
if (mpdu->command->cfi != IEEE802154_CFI_ASSOCIATION_RESPONSE) { if (mpdu->command->cfi == IEEE802154_CFI_ASSOCIATION_RESPONSE) {
return NET_DROP; if (mpdu->command->assoc_res.status !=
IEEE802154_ASF_SUCCESSFUL) {
return NET_DROP;
}
ctx->associated = true;
k_sem_give(&ctx->req_lock);
return NET_OK;
} }
if (mpdu->command->assoc_res.status != IEEE802154_ASF_SUCCESSFUL) { if (mpdu->command->cfi == IEEE802154_CFI_DISASSOCIATION_NOTIFICATION) {
return NET_DROP; if (mpdu->command->disassoc_note.reason !=
IEEE802154_DRF_COORDINATOR_WISH) {
return NET_DROP;
}
if (ctx->associated) {
/* ToDo: check src address vs coord ones and reject
* if they don't match
*/
ctx->associated = false;
return NET_OK;
}
} }
ctx->associated = true; return NET_DROP;
k_sem_give(&ctx->req_lock);
return NET_OK;
} }
static int ieee802154_associate(uint32_t mgmt_request, struct net_if *iface, static int ieee802154_associate(uint32_t mgmt_request, struct net_if *iface,