summaryrefslogtreecommitdiff
path: root/net/mac80211/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac80211/main.c')
-rw-r--r--net/mac80211/main.c119
1 files changed, 44 insertions, 75 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 53e5aee46885..3ae6104e5cb2 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -5,7 +5,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2024 Intel Corporation
+ * Copyright (C) 2018-2025 Intel Corporation
*/
#include <net/mac80211.h>
@@ -190,7 +190,8 @@ static u32 ieee80211_calc_hw_conf_chan(struct ieee80211_local *local,
return changed;
}
-int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
+int ieee80211_hw_config(struct ieee80211_local *local, int radio_idx,
+ u32 changed)
{
int ret = 0;
@@ -201,7 +202,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
IEEE80211_CONF_CHANGE_SMPS));
if (changed && local->open_count) {
- ret = drv_config(local, changed);
+ ret = drv_config(local, radio_idx, changed);
/*
* Goal:
* HW reconfiguration should never fail, the driver has told
@@ -235,7 +236,7 @@ static int _ieee80211_hw_conf_chan(struct ieee80211_local *local,
if (!changed)
return 0;
- return drv_config(local, changed);
+ return drv_config(local, -1, changed);
}
int ieee80211_hw_conf_chan(struct ieee80211_local *local)
@@ -269,7 +270,7 @@ void ieee80211_hw_conf_init(struct ieee80211_local *local)
ctx ? &ctx->conf : NULL);
}
- WARN_ON(drv_config(local, changed));
+ WARN_ON(drv_config(local, -1, changed));
}
int ieee80211_emulate_add_chanctx(struct ieee80211_hw *hw,
@@ -407,9 +408,20 @@ void ieee80211_link_info_change_notify(struct ieee80211_sub_if_data *sdata,
WARN_ON_ONCE(changed & BSS_CHANGED_VIF_CFG_FLAGS);
- if (!changed || sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ if (!changed)
return;
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_AP_VLAN:
+ return;
+ case NL80211_IFTYPE_MONITOR:
+ if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF))
+ return;
+ break;
+ default:
+ break;
+ }
+
if (!check_sdata_in_driver(sdata))
return;
@@ -1024,12 +1036,9 @@ EXPORT_SYMBOL(ieee80211_alloc_hw_nm);
static int ieee80211_init_cipher_suites(struct ieee80211_local *local)
{
- bool have_wep = !fips_enabled; /* FIPS does not permit the use of RC4 */
bool have_mfp = ieee80211_hw_check(&local->hw, MFP_CAPABLE);
- int r = 0, w = 0;
- u32 *suites;
static const u32 cipher_suites[] = {
- /* keep WEP first, it may be removed below */
+ /* keep WEP and TKIP first, they may be removed below */
WLAN_CIPHER_SUITE_WEP40,
WLAN_CIPHER_SUITE_WEP104,
WLAN_CIPHER_SUITE_TKIP,
@@ -1045,34 +1054,17 @@ static int ieee80211_init_cipher_suites(struct ieee80211_local *local)
WLAN_CIPHER_SUITE_BIP_GMAC_256,
};
- if (ieee80211_hw_check(&local->hw, SW_CRYPTO_CONTROL) ||
- local->hw.wiphy->cipher_suites) {
- /* If the driver advertises, or doesn't support SW crypto,
- * we only need to remove WEP if necessary.
- */
- if (have_wep)
- return 0;
-
- /* well if it has _no_ ciphers ... fine */
- if (!local->hw.wiphy->n_cipher_suites)
- return 0;
-
- /* Driver provides cipher suites, but we need to exclude WEP */
- suites = kmemdup_array(local->hw.wiphy->cipher_suites,
- local->hw.wiphy->n_cipher_suites,
- sizeof(u32), GFP_KERNEL);
- if (!suites)
- return -ENOMEM;
-
- for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) {
- u32 suite = local->hw.wiphy->cipher_suites[r];
-
- if (suite == WLAN_CIPHER_SUITE_WEP40 ||
- suite == WLAN_CIPHER_SUITE_WEP104)
- continue;
- suites[w++] = suite;
- }
- } else {
+ if (ieee80211_hw_check(&local->hw, SW_CRYPTO_CONTROL) && fips_enabled) {
+ dev_err(local->hw.wiphy->dev.parent,
+ "Drivers with SW_CRYPTO_CONTROL cannot work with FIPS\n");
+ return -EINVAL;
+ }
+
+ if (WARN_ON(ieee80211_hw_check(&local->hw, SW_CRYPTO_CONTROL) &&
+ !local->hw.wiphy->cipher_suites))
+ return -EINVAL;
+
+ if (fips_enabled || !local->hw.wiphy->cipher_suites) {
/* assign the (software supported and perhaps offloaded)
* cipher suites
*/
@@ -1082,19 +1074,13 @@ static int ieee80211_init_cipher_suites(struct ieee80211_local *local)
if (!have_mfp)
local->hw.wiphy->n_cipher_suites -= 4;
- if (!have_wep) {
- local->hw.wiphy->cipher_suites += 2;
- local->hw.wiphy->n_cipher_suites -= 2;
+ /* FIPS does not permit the use of RC4 */
+ if (fips_enabled) {
+ local->hw.wiphy->cipher_suites += 3;
+ local->hw.wiphy->n_cipher_suites -= 3;
}
-
- /* not dynamically allocated, so just return */
- return 0;
}
- local->hw.wiphy->cipher_suites = suites;
- local->hw.wiphy->n_cipher_suites = w;
- local->wiphy_ciphers_allocated = true;
-
return 0;
}
@@ -1125,7 +1111,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
int result, i;
enum nl80211_band band;
int channels, max_bitrates;
- bool supp_ht, supp_vht, supp_he, supp_eht;
+ bool supp_ht, supp_vht, supp_he, supp_eht, supp_s1g;
struct cfg80211_chan_def dflt_chandef = {};
if (ieee80211_hw_check(hw, QUEUE_CONTROL) &&
@@ -1241,6 +1227,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
supp_vht = false;
supp_he = false;
supp_eht = false;
+ supp_s1g = false;
for (band = 0; band < NUM_NL80211_BANDS; band++) {
const struct ieee80211_sband_iftype_data *iftd;
struct ieee80211_supported_band *sband;
@@ -1288,6 +1275,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
max_bitrates = sband->n_bitrates;
supp_ht = supp_ht || sband->ht_cap.ht_supported;
supp_vht = supp_vht || sband->vht_cap.vht_supported;
+ supp_s1g = supp_s1g || sband->s1g_cap.s1g;
for_each_sband_iftype_data(sband, i, iftd) {
u8 he_40_mhz_cap;
@@ -1354,8 +1342,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
hw->wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
- local->int_scan_req = kzalloc(sizeof(*local->int_scan_req) +
- sizeof(void *) * channels, GFP_KERNEL);
+ local->int_scan_req = kzalloc(struct_size(local->int_scan_req,
+ channels, channels),
+ GFP_KERNEL);
if (!local->int_scan_req)
return -ENOMEM;
@@ -1419,6 +1408,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->scan_ies_len +=
2 + sizeof(struct ieee80211_vht_cap);
+ if (supp_s1g)
+ local->scan_ies_len += 2 + sizeof(struct ieee80211_s1g_cap);
+
/*
* HE cap element is variable in size - set len to allow max size */
if (supp_he) {
@@ -1648,10 +1640,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
ieee80211_led_exit(local);
destroy_workqueue(local->workqueue);
fail_workqueue:
- if (local->wiphy_ciphers_allocated) {
- kfree(local->hw.wiphy->cipher_suites);
- local->wiphy_ciphers_allocated = false;
- }
kfree(local->int_scan_req);
return result;
}
@@ -1722,11 +1710,6 @@ void ieee80211_free_hw(struct ieee80211_hw *hw)
mutex_destroy(&local->iflist_mtx);
- if (local->wiphy_ciphers_allocated) {
- kfree(local->hw.wiphy->cipher_suites);
- local->wiphy_ciphers_allocated = false;
- }
-
idr_for_each(&local->ack_status_frames,
ieee80211_free_ack_frame, NULL);
idr_destroy(&local->ack_status_frames);
@@ -1744,18 +1727,7 @@ void ieee80211_free_hw(struct ieee80211_hw *hw)
wiphy_free(local->hw.wiphy);
}
EXPORT_SYMBOL(ieee80211_free_hw);
-
-static const char * const drop_reasons_monitor[] = {
-#define V(x) #x,
- [0] = "RX_DROP_MONITOR",
- MAC80211_DROP_REASONS_MONITOR(V)
-};
-
-static struct drop_reason_list drop_reason_list_monitor = {
- .reasons = drop_reasons_monitor,
- .n_reasons = ARRAY_SIZE(drop_reasons_monitor),
-};
-
+#define V(x) #x,
static const char * const drop_reasons_unusable[] = {
[0] = "RX_DROP_UNUSABLE",
MAC80211_DROP_REASONS_UNUSABLE(V)
@@ -1784,8 +1756,6 @@ static int __init ieee80211_init(void)
if (ret)
goto err_netdev;
- drop_reasons_register_subsys(SKB_DROP_REASON_SUBSYS_MAC80211_MONITOR,
- &drop_reason_list_monitor);
drop_reasons_register_subsys(SKB_DROP_REASON_SUBSYS_MAC80211_UNUSABLE,
&drop_reason_list_unusable);
@@ -1804,7 +1774,6 @@ static void __exit ieee80211_exit(void)
ieee80211_iface_exit();
- drop_reasons_unregister_subsys(SKB_DROP_REASON_SUBSYS_MAC80211_MONITOR);
drop_reasons_unregister_subsys(SKB_DROP_REASON_SUBSYS_MAC80211_UNUSABLE);
rcu_barrier();
generated by cgit (git 2.34.1) at 2025-09-18 12:19:10 +0000