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wifi: mac80211: set up beacon timing config on links

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On secondary MLO links, I forgot to set the beacon interval
and DTIM period, fix that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2022-09-02 16:12:53 +02:00
parent 65fd846cb3
commit 189a0c52f3
1 changed files with 47 additions and 36 deletions
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83
net/mac80211/mlme.c
View file

@ -4819,6 +4819,40 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
return ret;
}
static bool ieee80211_get_dtim(const struct cfg80211_bss_ies *ies,
u8 *dtim_count, u8 *dtim_period)
{
const u8 *tim_ie = cfg80211_find_ie(WLAN_EID_TIM, ies->data, ies->len);
const u8 *idx_ie = cfg80211_find_ie(WLAN_EID_MULTI_BSSID_IDX, ies->data,
ies->len);
const struct ieee80211_tim_ie *tim = NULL;
const struct ieee80211_bssid_index *idx;
bool valid = tim_ie && tim_ie[1] >= 2;
if (valid)
tim = (void *)(tim_ie + 2);
if (dtim_count)
*dtim_count = valid ? tim->dtim_count : 0;
if (dtim_period)
*dtim_period = valid ? tim->dtim_period : 0;
/* Check if value is overridden by non-transmitted profile */
if (!idx_ie || idx_ie[1] < 3)
return valid;
idx = (void *)(idx_ie + 2);
if (dtim_count)
*dtim_count = idx->dtim_count;
if (dtim_period)
*dtim_period = idx->dtim_period;
return true;
}
static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt,
struct ieee802_11_elems *elems,
@ -4882,8 +4916,19 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
goto out_err;
if (link_id != assoc_data->assoc_link_id) {
err = ieee80211_prep_channel(sdata, link,
assoc_data->link[link_id].bss,
struct cfg80211_bss *cbss = assoc_data->link[link_id].bss;
const struct cfg80211_bss_ies *ies;
rcu_read_lock();
ies = rcu_dereference(cbss->ies);
ieee80211_get_dtim(ies,
&link->conf->sync_dtim_count,
&link->u.mgd.dtim_period);
link->conf->dtim_period = link->u.mgd.dtim_period ?: 1;
link->conf->beacon_int = cbss->beacon_interval;
rcu_read_unlock();
err = ieee80211_prep_channel(sdata, link, cbss,
&link->u.mgd.conn_flags);
if (err) {
link_info(link, "prep_channel failed\n");
@ -6356,40 +6401,6 @@ void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
rcu_read_unlock();
}
static bool ieee80211_get_dtim(const struct cfg80211_bss_ies *ies,
u8 *dtim_count, u8 *dtim_period)
{
const u8 *tim_ie = cfg80211_find_ie(WLAN_EID_TIM, ies->data, ies->len);
const u8 *idx_ie = cfg80211_find_ie(WLAN_EID_MULTI_BSSID_IDX, ies->data,
ies->len);
const struct ieee80211_tim_ie *tim = NULL;
const struct ieee80211_bssid_index *idx;
bool valid = tim_ie && tim_ie[1] >= 2;
if (valid)
tim = (void *)(tim_ie + 2);
if (dtim_count)
*dtim_count = valid ? tim->dtim_count : 0;
if (dtim_period)
*dtim_period = valid ? tim->dtim_period : 0;
/* Check if value is overridden by non-transmitted profile */
if (!idx_ie || idx_ie[1] < 3)
return valid;
idx = (void *)(idx_ie + 2);
if (dtim_count)
*dtim_count = idx->dtim_count;
if (dtim_period)
*dtim_period = idx->dtim_period;
return true;
}
static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
struct cfg80211_bss *cbss, s8 link_id,
const u8 *ap_mld_addr, bool assoc,