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OCV: Perform an SA Query after a channel switch

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After the network changed to a new channel, perform an SA Query with the
AP after a random delay if OCV was negotiated for the association. This
is used to confirm that we are still operating on the real operating
channel of the network. This commit is adding only the station side
functionality for this, i.e., the AP behavior is not changed to
disconnect stations with OCV that do not go through SA Query.

Signed-off-by: Mathy Vanhoef <Mathy.Vanhoef@cs.kuleuven.be>
This commit is contained in:
Mathy Vanhoef 2018-08-06 15:46:35 -04:00 • committed by Jouni Malinen
parent f9da7505bf
commit f91e68e903
4 changed files with 31 additions and 0 deletions
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5
wpa_supplicant/sme.h
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@ -28,6 +28,7 @@ void sme_event_disassoc(struct wpa_supplicant *wpa_s,
struct disassoc_info *info);
void sme_event_unprot_disconnect(struct wpa_supplicant *wpa_s, const u8 *sa,
const u8 *da, u16 reason_code);
void sme_event_ch_switch(struct wpa_supplicant *wpa_s);
void sme_sa_query_rx(struct wpa_supplicant *wpa_s, const u8 *sa,
const u8 *data, size_t len);
void sme_state_changed(struct wpa_supplicant *wpa_s);
@ -89,6 +90,10 @@ static inline void sme_event_unprot_disconnect(struct wpa_supplicant *wpa_s,
{
}
static inline void sme_event_ch_switch(struct wpa_supplicant *wpa_s)
{
}
static inline void sme_state_changed(struct wpa_supplicant *wpa_s)
{
}