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ap: move ie_parse_supported_rates into ap.c

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Supported rates will soon be parsed along with HT/VHT capabilities
to determine the best data rate. This will remove the need for the
supported_rates uintset element in scan_bss, as well as the single
API to only parse the supported rates IE. AP still does rely on
this though (since it only supports basic rates), so the parsing
function was moved into ap.c.
This commit is contained in:
James Prestwood 2019-02-22 15:39:38 -08:00 committed by Denis Kenzior
parent c638fd50c8
commit c18b1289a5
1 changed files with 28 additions and 1 deletions
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29
src/ap.c
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@ -760,6 +760,33 @@ static uint32_t ap_assoc_resp(struct ap_state *ap, struct sta_state *sta,
true, callback, sta);
}
static int ap_parse_supported_rates(struct ie_tlv_iter *iter,
struct l_uintset **set)
{
const uint8_t *rates;
unsigned int len;
unsigned int i;
len = ie_tlv_iter_get_length(iter);
if (ie_tlv_iter_get_tag(iter) == IE_TYPE_SUPPORTED_RATES && len == 0)
return -EINVAL;
rates = ie_tlv_iter_get_data(iter);
if (!*set)
*set = l_uintset_new(108);
for (i = 0; i < len; i++) {
if (rates[i] == 0xff)
continue;
l_uintset_put(*set, rates[i] & 0x7f);
}
return 0;
}
/*
* This handles both the Association and Reassociation Request frames.
* Association Request is documented in 802.11-2016 9.3.3.6 (frame format),
@ -831,7 +858,7 @@ static void ap_assoc_reassoc(struct sta_state *sta, bool reassoc,
case IE_TYPE_SUPPORTED_RATES:
case IE_TYPE_EXTENDED_SUPPORTED_RATES:
if (ie_parse_supported_rates(ies, &rates) < 0) {
if (ap_parse_supported_rates(ies, &rates) < 0) {
err = MMPDU_REASON_CODE_INVALID_IE;
goto bad_frame;
}