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wifi: mac80211: Add support for parsing Reconfiguration Multi Link element

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Parse Reconfiguration Multi Link IE.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230616094949.6eeb6c9a4a6e.I1cb137da9b3c712fc7c7949a6dec9e314b5d7f63@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ilan Peer 2023-06-16 09:54:08 +03:00 committed by Johannes Berg
parent a286de1aa3
commit cf36cdef10
2 changed files with 23 additions and 3 deletions
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5
net/mac80211/ieee80211_i.h
View file

@ -1727,6 +1727,7 @@ struct ieee802_11_elems {
const struct ieee80211_eht_cap_elem *eht_cap;
const struct ieee80211_eht_operation *eht_operation;
const struct ieee80211_multi_link_elem *ml_basic;
const struct ieee80211_multi_link_elem *ml_reconf;
/* length of them, respectively */
u8 ext_capab_len;
@ -1752,10 +1753,14 @@ struct ieee802_11_elems {
/* mult-link element can be de-fragmented and thus u8 is not sufficient */
size_t ml_basic_len;
size_t ml_reconf_len;
/* The basic Multi-Link element in the original IEs */
const struct element *ml_basic_elem;
/* The reconfiguration Multi-Link element in the original IEs */
const struct element *ml_reconf_elem;
/*
* store the per station profile pointer and length in case that the
* parsing also handled Multi-Link element parsing for a specific link

21
net/mac80211/util.c
View file

@ -984,9 +984,24 @@ ieee80211_parse_extension_element(u32 *crc,
break;
case WLAN_EID_EXT_EHT_MULTI_LINK:
if (ieee80211_mle_size_ok(data, len)) {
elems->ml_basic_elem = (void *)elem;
elems->ml_basic = (void *)data;
elems->ml_basic_len = len;
const struct ieee80211_multi_link_elem *mle =
(void *)data;
switch (le16_get_bits(mle->control,
IEEE80211_ML_CONTROL_TYPE)) {
case IEEE80211_ML_CONTROL_TYPE_BASIC:
elems->ml_basic_elem = (void *)elem;
elems->ml_basic = data;
elems->ml_basic_len = len;
break;
case IEEE80211_ML_CONTROL_TYPE_RECONF:
elems->ml_reconf_elem = (void *)elem;
elems->ml_reconf = data;
elems->ml_reconf_len = len;
break;
default:
break;
}
}
break;
}