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-rw-r--r--net/mac80211/main.c102
1 files changed, 46 insertions, 56 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index cae443563ec9..0a0d94ad9b08 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -47,7 +47,7 @@ void ieee80211_configure_filter(struct ieee80211_local *local)
if (atomic_read(&local->iff_allmultis))
new_flags |= FIF_ALLMULTI;
- if (local->monitors || local->scanning)
+ if (local->monitors || test_bit(SCAN_SW_SCANNING, &local->scanning))
new_flags |= FIF_BCN_PRBRESP_PROMISC;
if (local->fif_probe_req || local->probe_req_reg)
@@ -92,50 +92,9 @@ static void ieee80211_reconfig_filter(struct work_struct *work)
ieee80211_configure_filter(local);
}
-/*
- * Returns true if we are logically configured to be on
- * the operating channel AND the hardware-conf is currently
- * configured on the operating channel. Compares channel-type
- * as well.
- */
-bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local)
-{
- struct ieee80211_channel *chan, *scan_chan;
- enum nl80211_channel_type channel_type;
-
- /* This logic needs to match logic in ieee80211_hw_config */
- if (local->scan_channel) {
- chan = local->scan_channel;
- /* If scanning on oper channel, use whatever channel-type
- * is currently in use.
- */
- if (chan == local->oper_channel)
- channel_type = local->_oper_channel_type;
- else
- channel_type = NL80211_CHAN_NO_HT;
- } else if (local->tmp_channel) {
- chan = scan_chan = local->tmp_channel;
- channel_type = local->tmp_channel_type;
- } else {
- chan = local->oper_channel;
- channel_type = local->_oper_channel_type;
- }
-
- if (chan != local->oper_channel ||
- channel_type != local->_oper_channel_type)
- return false;
-
- /* Check current hardware-config against oper_channel. */
- if ((local->oper_channel != local->hw.conf.channel) ||
- (local->_oper_channel_type != local->hw.conf.channel_type))
- return false;
-
- return true;
-}
-
int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
{
- struct ieee80211_channel *chan, *scan_chan;
+ struct ieee80211_channel *chan;
int ret = 0;
int power;
enum nl80211_channel_type channel_type;
@@ -143,14 +102,12 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
might_sleep();
- scan_chan = local->scan_channel;
-
/* If this off-channel logic ever changes, ieee80211_on_oper_channel
* may need to change as well.
*/
offchannel_flag = local->hw.conf.flags & IEEE80211_CONF_OFFCHANNEL;
- if (scan_chan) {
- chan = scan_chan;
+ if (local->scan_channel) {
+ chan = local->scan_channel;
/* If scanning on oper channel, use whatever channel-type
* is currently in use.
*/
@@ -159,7 +116,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
else
channel_type = NL80211_CHAN_NO_HT;
} else if (local->tmp_channel) {
- chan = scan_chan = local->tmp_channel;
+ chan = local->tmp_channel;
channel_type = local->tmp_channel_type;
} else {
chan = local->oper_channel;
@@ -193,8 +150,8 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
changed |= IEEE80211_CONF_CHANGE_SMPS;
}
- if ((local->scanning & SCAN_SW_SCANNING) ||
- (local->scanning & SCAN_HW_SCANNING))
+ if (test_bit(SCAN_SW_SCANNING, &local->scanning) ||
+ test_bit(SCAN_HW_SCANNING, &local->scanning))
power = chan->max_power;
else
power = local->power_constr_level ?
@@ -436,9 +393,6 @@ static int ieee80211_ifa_changed(struct notifier_block *nb,
sdata = IEEE80211_DEV_TO_SUB_IF(ndev);
bss_conf = &sdata->vif.bss_conf;
- if (!ieee80211_sdata_running(sdata))
- return NOTIFY_DONE;
-
/* ARP filtering is only supported in managed mode */
if (sdata->vif.type != NL80211_IFTYPE_STATION)
return NOTIFY_DONE;
@@ -467,7 +421,7 @@ static int ieee80211_ifa_changed(struct notifier_block *nb,
}
bss_conf->arp_addr_cnt = c;
- /* Configure driver only if associated */
+ /* Configure driver only if associated (which also implies it is up) */
if (ifmgd->associated) {
bss_conf->arp_filter_enabled = sdata->arp_filter_state;
ieee80211_bss_info_change_notify(sdata,
@@ -560,6 +514,19 @@ ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
},
};
+static const struct ieee80211_ht_cap mac80211_ht_capa_mod_mask = {
+ .ampdu_params_info = IEEE80211_HT_AMPDU_PARM_FACTOR |
+ IEEE80211_HT_AMPDU_PARM_DENSITY,
+
+ .cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
+ IEEE80211_HT_CAP_MAX_AMSDU |
+ IEEE80211_HT_CAP_SGI_40),
+ .mcs = {
+ .rx_mask = { 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, },
+ },
+};
+
struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
const struct ieee80211_ops *ops)
{
@@ -595,7 +562,13 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
wiphy->flags |= WIPHY_FLAG_NETNS_OK |
WIPHY_FLAG_4ADDR_AP |
- WIPHY_FLAG_4ADDR_STATION;
+ WIPHY_FLAG_4ADDR_STATION |
+ WIPHY_FLAG_REPORTS_OBSS |
+ WIPHY_FLAG_OFFCHAN_TX |
+ WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
+
+ wiphy->features = NL80211_FEATURE_SK_TX_STATUS |
+ NL80211_FEATURE_HT_IBSS;
if (!ops->set_key)
wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
@@ -608,7 +581,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN);
- BUG_ON(!ops->tx);
+ BUG_ON(!ops->tx && !ops->tx_frags);
BUG_ON(!ops->start);
BUG_ON(!ops->stop);
BUG_ON(!ops->config);
@@ -628,6 +601,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
local->user_power_level = -1;
local->uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES;
local->uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN;
+ wiphy->ht_capa_mod_mask = &mac80211_ht_capa_mod_mask;
INIT_LIST_HEAD(&local->interfaces);
@@ -670,6 +644,11 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
INIT_WORK(&local->sched_scan_stopped_work,
ieee80211_sched_scan_stopped_work);
+ spin_lock_init(&local->ack_status_lock);
+ idr_init(&local->ack_status_frames);
+ /* preallocate at least one entry */
+ idr_pre_get(&local->ack_status_frames, GFP_KERNEL);
+
sta_info_init(local);
for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
@@ -1051,6 +1030,13 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
}
EXPORT_SYMBOL(ieee80211_unregister_hw);
+static int ieee80211_free_ack_frame(int id, void *p, void *data)
+{
+ WARN_ONCE(1, "Have pending ack frames!\n");
+ kfree_skb(p);
+ return 0;
+}
+
void ieee80211_free_hw(struct ieee80211_hw *hw)
{
struct ieee80211_local *local = hw_to_local(hw);
@@ -1061,6 +1047,10 @@ void ieee80211_free_hw(struct ieee80211_hw *hw)
if (local->wiphy_ciphers_allocated)
kfree(local->hw.wiphy->cipher_suites);
+ idr_for_each(&local->ack_status_frames,
+ ieee80211_free_ack_frame, NULL);
+ idr_destroy(&local->ack_status_frames);
+
wiphy_free(local->hw.wiphy);
}
EXPORT_SYMBOL(ieee80211_free_hw);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.