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MBO: Always include Non-preferred Channel Report attribute in AssocReq

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Include the Non-preferred Channel Report attribute in (Re)Association
Request frames even when the MBO STA has no non-preferred channels in
any operating classes. In case of no non-preferred channels the
attribute length field shall be set to zero and the Operating Class,
Channel List, Preference and Reason Code fields shall not be included.
This indicates to the MBO AP that the MBO STA has no non-preferred
channels access all supported operating classes.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Ankita Bajaj 2019-04-05 14:37:40 +05:30 committed by Jouni Malinen
parent bd23daa8e6
commit 74f8e768f2
1 changed files with 10 additions and 3 deletions
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13
wpa_supplicant/mbo.c
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@ -98,6 +98,13 @@ static void wpas_mbo_non_pref_chan_attr_body(struct wpa_supplicant *wpa_s,
}
static void wpas_mbo_non_pref_chan_attr_hdr(struct wpabuf *mbo, size_t size)
{
wpabuf_put_u8(mbo, MBO_ATTR_ID_NON_PREF_CHAN_REPORT);
wpabuf_put_u8(mbo, size); /* Length */
}
static void wpas_mbo_non_pref_chan_attr(struct wpa_supplicant *wpa_s,
struct wpabuf *mbo, u8 start, u8 end)
{
@ -106,9 +113,7 @@ static void wpas_mbo_non_pref_chan_attr(struct wpa_supplicant *wpa_s,
if (size + 2 > wpabuf_tailroom(mbo))
return;
wpabuf_put_u8(mbo, MBO_ATTR_ID_NON_PREF_CHAN_REPORT);
wpabuf_put_u8(mbo, size); /* Length */
wpas_mbo_non_pref_chan_attr_hdr(mbo, size);
wpas_mbo_non_pref_chan_attr_body(wpa_s, mbo, start, end);
}
@ -145,6 +150,8 @@ static void wpas_mbo_non_pref_chan_attrs(struct wpa_supplicant *wpa_s,
if (!wpa_s->non_pref_chan || !wpa_s->non_pref_chan_num) {
if (subelement)
wpas_mbo_non_pref_chan_subelem_hdr(mbo, 4);
else
wpas_mbo_non_pref_chan_attr_hdr(mbo, 0);
return;
}
start_pref = &wpa_s->non_pref_chan[0];