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wifi: mac80211: Rename multi_link

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As a preparation to support Reconfiguration Multi Link
element, rename 'multi_link' and 'multi_link_len' fields
in 'struct ieee802_11_elems' to 'ml_basic' and 'ml_basic_len'.

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.b11370d3066a.I34280ae3728597056a6a2f313063962206c0d581@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ilan Peer 2023-06-16 09:54:07 +03:00 committed by Johannes Berg
parent a76236de58
commit a286de1aa3
3 changed files with 18 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
net/mac80211/ieee80211_i.h
View File

@ -1726,7 +1726,7 @@ struct ieee802_11_elems {
const struct ieee80211_aid_response_ie *aid_resp; const struct ieee80211_aid_response_ie *aid_resp;
const struct ieee80211_eht_cap_elem *eht_cap; const struct ieee80211_eht_cap_elem *eht_cap;
const struct ieee80211_eht_operation *eht_operation; const struct ieee80211_eht_operation *eht_operation;
const struct ieee80211_multi_link_elem *multi_link; const struct ieee80211_multi_link_elem *ml_basic;
/* length of them, respectively */ /* length of them, respectively */
u8 ext_capab_len; u8 ext_capab_len;
@ -1751,9 +1751,10 @@ struct ieee802_11_elems {
u8 eht_cap_len; u8 eht_cap_len;
/* mult-link element can be de-fragmented and thus u8 is not sufficient */ /* mult-link element can be de-fragmented and thus u8 is not sufficient */
size_t multi_link_len; size_t ml_basic_len;
/* The element in the original IEs */
const struct element *multi_link_elem; /* The basic Multi-Link element in the original IEs */
const struct element *ml_basic_elem;
/* /*
* store the per station profile pointer and length in case that the * store the per station profile pointer and length in case that the

8
net/mac80211/mlme.c
View File

@ -5277,24 +5277,24 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
} }
if (ieee80211_vif_is_mld(&sdata->vif)) { if (ieee80211_vif_is_mld(&sdata->vif)) {
if (!elems->multi_link) { if (!elems->ml_basic) {
sdata_info(sdata, sdata_info(sdata,
"MLO association with %pM but no multi-link element in response!\n", "MLO association with %pM but no multi-link element in response!\n",
assoc_data->ap_addr); assoc_data->ap_addr);
goto abandon_assoc; goto abandon_assoc;
} }
if (le16_get_bits(elems->multi_link->control, if (le16_get_bits(elems->ml_basic->control,
IEEE80211_ML_CONTROL_TYPE) != IEEE80211_ML_CONTROL_TYPE) !=
IEEE80211_ML_CONTROL_TYPE_BASIC) { IEEE80211_ML_CONTROL_TYPE_BASIC) {
sdata_info(sdata, sdata_info(sdata,
"bad multi-link element (control=0x%x)\n", "bad multi-link element (control=0x%x)\n",
le16_to_cpu(elems->multi_link->control)); le16_to_cpu(elems->ml_basic->control));
goto abandon_assoc; goto abandon_assoc;
} else { } else {
struct ieee80211_mle_basic_common_info *common; struct ieee80211_mle_basic_common_info *common;
common = (void *)elems->multi_link->variable; common = (void *)elems->ml_basic->variable;
if (memcmp(assoc_data->ap_addr, if (memcmp(assoc_data->ap_addr,
common->mld_mac_addr, ETH_ALEN)) { common->mld_mac_addr, ETH_ALEN)) {

19
net/mac80211/util.c
View File

@ -984,9 +984,9 @@ ieee80211_parse_extension_element(u32 *crc,
break; break;
case WLAN_EID_EXT_EHT_MULTI_LINK: case WLAN_EID_EXT_EHT_MULTI_LINK:
if (ieee80211_mle_size_ok(data, len)) { if (ieee80211_mle_size_ok(data, len)) {
elems->multi_link_elem = (void *)elem; elems->ml_basic_elem = (void *)elem;
elems->multi_link = (void *)data; elems->ml_basic = (void *)data;
elems->multi_link_len = len; elems->ml_basic_len = len;
} }
break; break;
} }
@ -1462,8 +1462,8 @@ static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len,
static void ieee80211_mle_get_sta_prof(struct ieee802_11_elems *elems, static void ieee80211_mle_get_sta_prof(struct ieee802_11_elems *elems,
u8 link_id) u8 link_id)
{ {
const struct ieee80211_multi_link_elem *ml = elems->multi_link; const struct ieee80211_multi_link_elem *ml = elems->ml_basic;
ssize_t ml_len = elems->multi_link_len; ssize_t ml_len = elems->ml_basic_len;
const struct element *sub; const struct element *sub;
if (!ml || !ml_len) if (!ml || !ml_len)
@ -1523,14 +1523,14 @@ static void ieee80211_mle_parse_link(struct ieee802_11_elems *elems,
.from_ap = params->from_ap, .from_ap = params->from_ap,
.link_id = -1, .link_id = -1,
}; };
ssize_t ml_len = elems->multi_link_len; ssize_t ml_len = elems->ml_basic_len;
const struct element *non_inherit = NULL; const struct element *non_inherit = NULL;
const u8 *end; const u8 *end;
if (params->link_id == -1) if (params->link_id == -1)
return; return;
ml_len = cfg80211_defragment_element(elems->multi_link_elem, ml_len = cfg80211_defragment_element(elems->ml_basic_elem,
elems->ie_start, elems->ie_start,
elems->total_len, elems->total_len,
elems->scratch_pos, elems->scratch_pos,
@ -1542,9 +1542,8 @@ static void ieee80211_mle_parse_link(struct ieee802_11_elems *elems,
if (ml_len < 0) if (ml_len < 0)
return; return;
elems->multi_link = (const void *)elems->scratch_pos; elems->ml_basic = (const void *)elems->scratch_pos;
elems->multi_link_len = ml_len; elems->ml_basic_len = ml_len;
elems->scratch_pos += ml_len;
ieee80211_mle_get_sta_prof(elems, params->link_id); ieee80211_mle_get_sta_prof(elems, params->link_id);
prof = elems->prof; prof = elems->prof;