aboutsummaryrefslogtreecommitdiffstats
path: root/package/mac80211/patches/414-mac80211-slot-time.patch
diff options
context:
space:
mode:
Diffstat (limited to 'package/mac80211/patches/414-mac80211-slot-time.patch')
-rw-r--r--package/mac80211/patches/414-mac80211-slot-time.patch201
1 files changed, 0 insertions, 201 deletions
diff --git a/package/mac80211/patches/414-mac80211-slot-time.patch b/package/mac80211/patches/414-mac80211-slot-time.patch
deleted file mode 100644
index 145e273e5b..0000000000
--- a/package/mac80211/patches/414-mac80211-slot-time.patch
+++ /dev/null
@@ -1,201 +0,0 @@
-Subject: mac80211: fix short slot handling
-
-This patch makes mac80211 handle short slot requests from the AP
-properly. Also warn about uses of IEEE80211_CONF_SHORT_SLOT_TIME
-and optimise out the code since it cannot ever be hit anyway.
-
-Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
----
- include/net/mac80211.h | 28 ++++++++++--------
- net/mac80211/main.c | 9 +++--
- net/mac80211/mlme.c | 74 ++++++++++++++++++++++++++-----------------------
- 3 files changed, 62 insertions(+), 49 deletions(-)
-
---- everything.orig/net/mac80211/main.c 2008-10-07 20:06:43.000000000 +0200
-+++ everything/net/mac80211/main.c 2008-10-08 10:56:29.000000000 +0200
-@@ -346,9 +346,12 @@ void ieee80211_bss_info_change_notify(st
-
- u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
- {
-- sdata->bss_conf.use_cts_prot = 0;
-- sdata->bss_conf.use_short_preamble = 0;
-- return BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_ERP_PREAMBLE;
-+ sdata->bss_conf.use_cts_prot = false;
-+ sdata->bss_conf.use_short_preamble = false;
-+ sdata->bss_conf.use_short_slot = false;
-+ return BSS_CHANGED_ERP_CTS_PROT |
-+ BSS_CHANGED_ERP_PREAMBLE |
-+ BSS_CHANGED_ERP_SLOT;
- }
-
- void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
---- everything.orig/net/mac80211/mlme.c 2008-10-07 20:05:49.000000000 +0200
-+++ everything/net/mac80211/mlme.c 2008-10-08 10:56:38.000000000 +0200
-@@ -568,9 +568,8 @@ static void ieee80211_sta_wmm_params(str
- }
- }
-
--static u32 ieee80211_handle_protect_preamb(struct ieee80211_sub_if_data *sdata,
-- bool use_protection,
-- bool use_short_preamble)
-+static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
-+ u16 capab, bool erp_valid, u8 erp)
- {
- struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
- #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-@@ -578,6 +577,19 @@ static u32 ieee80211_handle_protect_prea
- DECLARE_MAC_BUF(mac);
- #endif
- u32 changed = 0;
-+ bool use_protection;
-+ bool use_short_preamble;
-+ bool use_short_slot;
-+
-+ if (erp_valid) {
-+ use_protection = (erp & WLAN_ERP_USE_PROTECTION) != 0;
-+ use_short_preamble = (erp & WLAN_ERP_BARKER_PREAMBLE) == 0;
-+ } else {
-+ use_protection = false;
-+ use_short_preamble = !!(capab & WLAN_CAPABILITY_SHORT_PREAMBLE);
-+ }
-+
-+ use_short_slot = !!(capab & WLAN_CAPABILITY_SHORT_SLOT_TIME);
-
- if (use_protection != bss_conf->use_cts_prot) {
- #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-@@ -607,30 +619,18 @@ static u32 ieee80211_handle_protect_prea
- changed |= BSS_CHANGED_ERP_PREAMBLE;
- }
-
-- return changed;
--}
--
--static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata,
-- u8 erp_value)
--{
-- bool use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
-- bool use_short_preamble = (erp_value & WLAN_ERP_BARKER_PREAMBLE) == 0;
--
-- return ieee80211_handle_protect_preamb(sdata,
-- use_protection, use_short_preamble);
--}
--
--static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
-- struct ieee80211_bss *bss)
--{
-- u32 changed = 0;
--
-- if (bss->has_erp_value)
-- changed |= ieee80211_handle_erp_ie(sdata, bss->erp_value);
-- else {
-- u16 capab = bss->capability;
-- changed |= ieee80211_handle_protect_preamb(sdata, false,
-- (capab & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0);
-+ if (use_short_slot != bss_conf->use_short_slot) {
-+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-+ if (net_ratelimit()) {
-+ printk(KERN_DEBUG "%s: switched to %s slot"
-+ " (BSSID=%s)\n",
-+ sdata->dev->name,
-+ use_short_slot ? "short" : "long",
-+ print_mac(mac, ifsta->bssid));
-+ }
-+#endif
-+ bss_conf->use_short_slot = use_short_slot;
-+ changed |= BSS_CHANGED_ERP_SLOT;
- }
-
- return changed;
-@@ -723,7 +723,8 @@ static void ieee80211_set_associated(str
- sdata->bss_conf.timestamp = bss->timestamp;
- sdata->bss_conf.dtim_period = bss->dtim_period;
-
-- changed |= ieee80211_handle_bss_capability(sdata, bss);
-+ changed |= ieee80211_handle_bss_capability(sdata,
-+ bss->capability, bss->has_erp_value, bss->erp_value);
-
- ieee80211_rx_bss_put(local, bss);
- }
-@@ -1675,6 +1676,8 @@ static void ieee80211_rx_mgmt_beacon(str
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_conf *conf = &local->hw.conf;
- u32 changed = 0;
-+ bool erp_valid;
-+ u8 erp_value = 0;
-
- /* Process beacon from the current BSS */
- baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt;
-@@ -1696,13 +1699,16 @@ static void ieee80211_rx_mgmt_beacon(str
- ieee80211_sta_wmm_params(local, ifsta, elems.wmm_param,
- elems.wmm_param_len);
-
-- if (elems.erp_info && elems.erp_info_len >= 1)
-- changed |= ieee80211_handle_erp_ie(sdata, elems.erp_info[0]);
-- else {
-- u16 capab = le16_to_cpu(mgmt->u.beacon.capab_info);
-- changed |= ieee80211_handle_protect_preamb(sdata, false,
-- (capab & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0);
-+
-+ if (elems.erp_info && elems.erp_info_len >= 1) {
-+ erp_valid = true;
-+ erp_value = elems.erp_info[0];
-+ } else {
-+ erp_valid = false;
- }
-+ changed |= ieee80211_handle_bss_capability(sdata,
-+ le16_to_cpu(mgmt->u.beacon.capab_info),
-+ erp_valid, erp_value);
-
- if (elems.ht_cap_elem && elems.ht_info_elem &&
- elems.wmm_param && conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
---- everything.orig/include/net/mac80211.h 2008-10-07 20:06:43.000000000 +0200
-+++ everything/include/net/mac80211.h 2008-10-08 10:57:06.000000000 +0200
-@@ -180,8 +180,12 @@ enum ieee80211_bss_change {
- * @assoc: association status
- * @aid: association ID number, valid only when @assoc is true
- * @use_cts_prot: use CTS protection
-- * @use_short_preamble: use 802.11b short preamble
-- * @use_short_slot: use short slot time (only relevant for ERP)
-+ * @use_short_preamble: use 802.11b short preamble;
-+ * if the hardware cannot handle this it must set the
-+ * IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE hardware flag
-+ * @use_short_slot: use short slot time (only relevant for ERP);
-+ * if the hardware cannot handle this it must set the
-+ * IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE hardware flag
- * @dtim_period: num of beacons before the next DTIM, for PSM
- * @timestamp: beacon timestamp
- * @beacon_int: beacon interval
-@@ -442,23 +446,23 @@ struct ieee80211_rx_status {
- *
- * Flags to define PHY configuration options
- *
-- * @IEEE80211_CONF_SHORT_SLOT_TIME: use 802.11g short slot time
- * @IEEE80211_CONF_RADIOTAP: add radiotap header at receive time (if supported)
- * @IEEE80211_CONF_SUPPORT_HT_MODE: use 802.11n HT capabilities (if supported)
- * @IEEE80211_CONF_PS: Enable 802.11 power save mode
- */
- enum ieee80211_conf_flags {
-- /*
-- * TODO: IEEE80211_CONF_SHORT_SLOT_TIME will be removed once drivers
-- * have been converted to use bss_info_changed() for slot time
-- * configuration
-- */
-- IEEE80211_CONF_SHORT_SLOT_TIME = (1<<0),
-- IEEE80211_CONF_RADIOTAP = (1<<1),
-- IEEE80211_CONF_SUPPORT_HT_MODE = (1<<2),
-- IEEE80211_CONF_PS = (1<<3),
-+ IEEE80211_CONF_RADIOTAP = (1<<0),
-+ IEEE80211_CONF_SUPPORT_HT_MODE = (1<<1),
-+ IEEE80211_CONF_PS = (1<<2),
- };
-
-+/* XXX: remove all this once drivers stop trying to use it */
-+static inline int __deprecated __IEEE80211_CONF_SHORT_SLOT_TIME(void)
-+{
-+ return 0;
-+}
-+#define IEEE80211_CONF_SHORT_SLOT_TIME (__IEEE80211_CONF_SHORT_SLOT_TIME())
-+
- /**
- * struct ieee80211_conf - configuration of the device
- *
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 20:24:40 +0000