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MBO: Add MBO IE to BSS Transition Management Response frame 

When rejecting a BSS Transition Management Request frame, add MBO IE to
the BSS Transition Management Response frame to specify the transition
rejection reason.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
This commit is contained in:
Avraham Stern 2016-02-15 16:53:37 +02:00 committed by Jouni Malinen
parent dd5999084e
commit c8082d2b6a
3 changed files with 25 additions and 0 deletions
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14
wpa_supplicant/mbo.c
View File

@ -716,3 +716,17 @@ fail:
wpa_printf(MSG_DEBUG, "MBO IE parsing failed (id=%u len=%u left=%zu)",
id, elen, len);
}
size_t wpas_mbo_ie_bss_trans_reject(struct wpa_supplicant *wpa_s, u8 *pos,
size_t len,
enum mbo_transition_reject_reason reason)
{
u8 reject_attr[3];
reject_attr[0] = MBO_ATTR_ID_TRANSITION_REJECT_REASON;
reject_attr[1] = 1;
reject_attr[2] = reason;
return mbo_add_ie(pos, len, reject_attr, sizeof(reject_attr));
}

8
wpa_supplicant/wnm_sta.c
View File

@ -620,6 +620,14 @@ static void wnm_send_bss_transition_mgmt_resp(
pos += ETH_ALEN;
}
#ifdef CONFIG_MBO
if (status != WNM_BSS_TM_ACCEPT) {
pos += wpas_mbo_ie_bss_trans_reject(
wpa_s, pos, buf + sizeof(buf) - pos,
MBO_TRANSITION_REJECT_REASON_UNSPECIFIED);
}
#endif /* CONFIG_MBO */
len = pos - (u8 *) &mgmt->u.action.category;
res = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid,

3
wpa_supplicant/wpa_supplicant_i.h
View File

@ -1164,6 +1164,9 @@ int wpas_mbo_supp_op_class_ie(struct wpa_supplicant *wpa_s, int freq, u8 *pos,
size_t len);
void wpas_mbo_ie_trans_req(struct wpa_supplicant *wpa_s, const u8 *ie,
size_t len);
size_t wpas_mbo_ie_bss_trans_reject(struct wpa_supplicant *wpa_s, u8 *pos,
size_t len,
enum mbo_transition_reject_reason reason);
/**
* wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response