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mac80211: mlme: remove duplicate AID bookkeeping

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Maintain the connection AID only in sdata->vif.bss_conf.aid, not
also in sdata->u.mgd.aid.

Keep setting that where we set ifmgd->aid before, which has the
side effect of exposing the AID to the driver before the station
entry (AP) is marked associated, in case it needs it then.

Requested-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Tested-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/20200417123802.085d4a322b0c.I2e7a2ceceea8c6880219f9e9ee4d4ac985fd295a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2020-04-17 12:38:04 +02:00
parent 5cc58a9ecf
commit 1db364c886
5 changed files with 6 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/mac80211/debugfs_netdev.c
View File

@ -236,7 +236,7 @@ IEEE80211_IF_FILE_R(hw_queues);
/* STA attributes */
IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
IEEE80211_IF_FILE(aid, vif.bss_conf.aid, DEC);
IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,

2
net/mac80211/ieee80211_i.h
View File

@ -450,8 +450,6 @@ struct ieee80211_if_managed {
u8 bssid[ETH_ALEN] __aligned(2);
u16 aid;
bool powersave; /* powersave requested for this iface */
bool broken_ap; /* AP is broken -- turn off powersave */
bool have_beacon;

7
net/mac80211/mlme.c
View File

@ -3249,7 +3249,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
return false;
}
ifmgd->aid = aid;
sdata->vif.bss_conf.aid = aid;
ifmgd->tdls_chan_switch_prohibited =
elems->ext_capab && elems->ext_capab_len >= 5 &&
(elems->ext_capab[4] & WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED);
@ -3521,9 +3521,8 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
bss_conf->protected_keep_alive = false;
}
/* set AID and assoc capability,
/* set assoc capability (AID was already set earlier),
* ieee80211_set_associated() will tell the driver */
bss_conf->aid = aid;
bss_conf->assoc_capability = capab_info;
ieee80211_set_associated(sdata, cbss, changed);
@ -3948,7 +3947,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
mgmt->bssid, bssid);
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
ieee80211_check_tim(elems.tim, elems.tim_len, ifmgd->aid)) {
ieee80211_check_tim(elems.tim, elems.tim_len, bss_conf->aid)) {
if (local->hw.conf.dynamic_ps_timeout > 0) {
if (local->hw.conf.flags & IEEE80211_CONF_PS) {
local->hw.conf.flags &= ~IEEE80211_CONF_PS;

3
net/mac80211/tdls.c
View File

@ -226,12 +226,11 @@ static void ieee80211_tdls_add_link_ie(struct ieee80211_sub_if_data *sdata,
static void
ieee80211_tdls_add_aid(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 *pos = skb_put(skb, 4);
*pos++ = WLAN_EID_AID;
*pos++ = 2; /* len */
put_unaligned_le16(ifmgd->aid, pos);
put_unaligned_le16(sdata->vif.bss_conf.aid, pos);
}
/* translate numbering in the WMM parameter IE to the mac80211 notation */

2
net/mac80211/tx.c
View File

@ -5006,7 +5006,7 @@ struct sk_buff *ieee80211_pspoll_get(struct ieee80211_hw *hw,
pspoll = skb_put_zero(skb, sizeof(*pspoll));
pspoll->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
IEEE80211_STYPE_PSPOLL);
pspoll->aid = cpu_to_le16(ifmgd->aid);
pspoll->aid = cpu_to_le16(sdata->vif.bss_conf.aid);
/* aid in PS-Poll has its two MSBs each set to 1 */
pspoll->aid |= cpu_to_le16(1 << 15 | 1 << 14);