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-rw-r--r--include/linux/ieee80211.h1
-rw-r--r--include/net/mac80211.h46
-rw-r--r--net/mac80211/debugfs_netdev.c6
-rw-r--r--net/mac80211/driver-ops.h53
-rw-r--r--net/mac80211/ibss.c1
-rw-r--r--net/mac80211/iface.c2
-rw-r--r--net/mac80211/sta_info.c1
-rw-r--r--net/mac80211/status.c25
-rw-r--r--net/mac80211/trace.h85
-rw-r--r--net/wireless/core.c5
-rw-r--r--net/wireless/genregdb.awk14
-rw-r--r--net/wireless/nl80211.c21
-rw-r--r--net/wireless/nl80211.h3
13 files changed, 234 insertions, 29 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index f194ccb..6bff13f 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1711,6 +1711,7 @@ enum ieee80211_eid {
WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
WLAN_EID_MULTIPLE_BSSID = 71,
WLAN_EID_BSS_COEX_2040 = 72,
+ WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
WLAN_EID_RIC_DESCRIPTOR = 75,
WLAN_EID_MMIE = 76,
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 2c78997..421b6ec 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -189,6 +189,43 @@ struct ieee80211_chanctx_conf {
};
/**
+ * enum ieee80211_chanctx_switch_mode - channel context switch mode
+ * @CHANCTX_SWMODE_REASSIGN_VIF: Both old and new contexts already
+ * exist (and will continue to exist), but the virtual interface
+ * needs to be switched from one to the other.
+ * @CHANCTX_SWMODE_SWAP_CONTEXTS: The old context exists but will stop
+ * to exist with this call, the new context doesn't exist but
+ * will be active after this call, the virtual interface switches
+ * from the old to the new (note that the driver may of course
+ * implement this as an on-the-fly chandef switch of the existing
+ * hardware context, but the mac80211 pointer for the old context
+ * will cease to exist and only the new one will later be used
+ * for changes/removal.)
+ */
+enum ieee80211_chanctx_switch_mode {
+ CHANCTX_SWMODE_REASSIGN_VIF,
+ CHANCTX_SWMODE_SWAP_CONTEXTS,
+};
+
+/**
+ * struct ieee80211_vif_chanctx_switch - vif chanctx switch information
+ *
+ * This is structure is used to pass information about a vif that
+ * needs to switch from one chanctx to another. The
+ * &ieee80211_chanctx_switch_mode defines how the switch should be
+ * done.
+ *
+ * @vif: the vif that should be switched from old_ctx to new_ctx
+ * @old_ctx: the old context to which the vif was assigned
+ * @new_ctx: the new context to which the vif must be assigned
+ */
+struct ieee80211_vif_chanctx_switch {
+ struct ieee80211_vif *vif;
+ struct ieee80211_chanctx_conf *old_ctx;
+ struct ieee80211_chanctx_conf *new_ctx;
+};
+
+/**
* enum ieee80211_bss_change - BSS change notification flags
*
* These flags are used with the bss_info_changed() callback
@@ -2736,6 +2773,11 @@ enum ieee80211_roc_type {
* to vif. Possible use is for hw queue remapping.
* @unassign_vif_chanctx: Notifies device driver about channel context being
* unbound from vif.
+ * @switch_vif_chanctx: switch a number of vifs from one chanctx to
+ * another, as specified in the list of
+ * @ieee80211_vif_chanctx_switch passed to the driver, according
+ * to the mode defined in &ieee80211_chanctx_switch_mode.
+ *
* @start_ap: Start operation on the AP interface, this is called after all the
* information in bss_conf is set and beacon can be retrieved. A channel
* context is bound before this is called. Note that if the driver uses
@@ -2952,6 +2994,10 @@ struct ieee80211_ops {
void (*unassign_vif_chanctx)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_chanctx_conf *ctx);
+ int (*switch_vif_chanctx)(struct ieee80211_hw *hw,
+ struct ieee80211_vif_chanctx_switch *vifs,
+ int n_vifs,
+ enum ieee80211_chanctx_switch_mode mode);
void (*restart_complete)(struct ieee80211_hw *hw);
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 40a6489..e205eba 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -34,8 +34,7 @@ static ssize_t ieee80211_if_read(
ssize_t ret = -EINVAL;
read_lock(&dev_base_lock);
- if (sdata->dev->reg_state == NETREG_REGISTERED)
- ret = (*format)(sdata, buf, sizeof(buf));
+ ret = (*format)(sdata, buf, sizeof(buf));
read_unlock(&dev_base_lock);
if (ret >= 0)
@@ -62,8 +61,7 @@ static ssize_t ieee80211_if_write(
ret = -ENODEV;
rtnl_lock();
- if (sdata->dev->reg_state == NETREG_REGISTERED)
- ret = (*write)(sdata, buf, count);
+ ret = (*write)(sdata, buf, count);
rtnl_unlock();
return ret;
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 696ef78..bd782dc 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -1048,6 +1048,59 @@ static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local,
trace_drv_return_void(local);
}
+static inline int
+drv_switch_vif_chanctx(struct ieee80211_local *local,
+ struct ieee80211_vif_chanctx_switch *vifs,
+ int n_vifs,
+ enum ieee80211_chanctx_switch_mode mode)
+{
+ int ret = 0;
+ int i;
+
+ if (!local->ops->switch_vif_chanctx)
+ return -EOPNOTSUPP;
+
+ for (i = 0; i < n_vifs; i++) {
+ struct ieee80211_chanctx *new_ctx =
+ container_of(vifs[i].new_ctx,
+ struct ieee80211_chanctx,
+ conf);
+ struct ieee80211_chanctx *old_ctx =
+ container_of(vifs[i].old_ctx,
+ struct ieee80211_chanctx,
+ conf);
+
+ WARN_ON_ONCE(!old_ctx->driver_present);
+ WARN_ON_ONCE((mode == CHANCTX_SWMODE_SWAP_CONTEXTS &&
+ new_ctx->driver_present) ||
+ (mode == CHANCTX_SWMODE_REASSIGN_VIF &&
+ !new_ctx->driver_present));
+ }
+
+ trace_drv_switch_vif_chanctx(local, vifs, n_vifs, mode);
+ ret = local->ops->switch_vif_chanctx(&local->hw,
+ vifs, n_vifs, mode);
+ trace_drv_return_int(local, ret);
+
+ if (!ret && mode == CHANCTX_SWMODE_SWAP_CONTEXTS) {
+ for (i = 0; i < n_vifs; i++) {
+ struct ieee80211_chanctx *new_ctx =
+ container_of(vifs[i].new_ctx,
+ struct ieee80211_chanctx,
+ conf);
+ struct ieee80211_chanctx *old_ctx =
+ container_of(vifs[i].old_ctx,
+ struct ieee80211_chanctx,
+ conf);
+
+ new_ctx->driver_present = true;
+ old_ctx->driver_present = false;
+ }
+ }
+
+ return ret;
+}
+
static inline int drv_start_ap(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata)
{
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 1bbac94..18ee0a2 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -1677,6 +1677,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
sdata->u.ibss.control_port = params->control_port;
sdata->u.ibss.userspace_handles_dfs = params->userspace_handles_dfs;
sdata->u.ibss.basic_rates = params->basic_rates;
+ sdata->u.ibss.last_scan_completed = jiffies;
/* fix basic_rates if channel does not support these rates */
rate_flags = ieee80211_chandef_rate_flags(&params->chandef);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 79fc988..81a8e2a 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -399,6 +399,7 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
sdata->vif.type = NL80211_IFTYPE_MONITOR;
snprintf(sdata->name, IFNAMSIZ, "%s-monitor",
wiphy_name(local->hw.wiphy));
+ sdata->wdev.iftype = NL80211_IFTYPE_MONITOR;
sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM;
@@ -1285,6 +1286,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
sdata->control_port_protocol = cpu_to_be16(ETH_P_PAE);
sdata->control_port_no_encrypt = false;
sdata->encrypt_headroom = IEEE80211_ENCRYPT_HEADROOM;
+ sdata->vif.bss_conf.idle = true;
sdata->noack_map = 0;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 632d372..a9b46d8 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -240,6 +240,7 @@ void sta_info_free(struct ieee80211_local *local, struct sta_info *sta)
sta_dbg(sta->sdata, "Destroyed STA %pM\n", sta->sta.addr);
+ kfree(rcu_dereference_raw(sta->sta.rates));
kfree(sta);
}
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 60cb7a6..ba29ebc 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -541,6 +541,23 @@ static void ieee80211_tx_latency_end_msrmnt(struct ieee80211_local *local,
*/
#define STA_LOST_PKT_THRESHOLD 50
+static void ieee80211_lost_packet(struct sta_info *sta, struct sk_buff *skb)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+ /* This packet was aggregated but doesn't carry status info */
+ if ((info->flags & IEEE80211_TX_CTL_AMPDU) &&
+ !(info->flags & IEEE80211_TX_STAT_AMPDU))
+ return;
+
+ if (++sta->lost_packets < STA_LOST_PKT_THRESHOLD)
+ return;
+
+ cfg80211_cqm_pktloss_notify(sta->sdata->dev, sta->sta.addr,
+ sta->lost_packets, GFP_ATOMIC);
+ sta->lost_packets = 0;
+}
+
void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct sk_buff *skb2;
@@ -680,12 +697,8 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
if (info->flags & IEEE80211_TX_STAT_ACK) {
if (sta->lost_packets)
sta->lost_packets = 0;
- } else if (++sta->lost_packets >= STA_LOST_PKT_THRESHOLD) {
- cfg80211_cqm_pktloss_notify(sta->sdata->dev,
- sta->sta.addr,
- sta->lost_packets,
- GFP_ATOMIC);
- sta->lost_packets = 0;
+ } else {
+ ieee80211_lost_packet(sta, skb);
}
}
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 762e4cd..cfe1a06 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -1389,6 +1389,91 @@ TRACE_EVENT(drv_change_chanctx,
)
);
+#if !defined(__TRACE_VIF_ENTRY)
+#define __TRACE_VIF_ENTRY
+struct trace_vif_entry {
+ enum nl80211_iftype vif_type;
+ bool p2p;
+ char vif_name[IFNAMSIZ];
+} __packed;
+
+struct trace_chandef_entry {
+ u32 control_freq;
+ u32 chan_width;
+ u32 center_freq1;
+ u32 center_freq2;
+} __packed;
+
+struct trace_switch_entry {
+ struct trace_vif_entry vif;
+ struct trace_chandef_entry old_chandef;
+ struct trace_chandef_entry new_chandef;
+} __packed;
+
+#define SWITCH_ENTRY_ASSIGN(to, from) local_vifs[i].to = vifs[i].from
+#endif
+
+TRACE_EVENT(drv_switch_vif_chanctx,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_vif_chanctx_switch *vifs,
+ int n_vifs, enum ieee80211_chanctx_switch_mode mode),
+ TP_ARGS(local, vifs, n_vifs, mode),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(int, n_vifs)
+ __field(u32, mode)
+ __dynamic_array(u8, vifs,
+ sizeof(struct trace_switch_entry) * n_vifs)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->n_vifs = n_vifs;
+ __entry->mode = mode;
+ {
+ struct trace_switch_entry *local_vifs =
+ __get_dynamic_array(vifs);
+ int i;
+
+ for (i = 0; i < n_vifs; i++) {
+ struct ieee80211_sub_if_data *sdata;
+
+ sdata = container_of(vifs[i].vif,
+ struct ieee80211_sub_if_data,
+ vif);
+
+ SWITCH_ENTRY_ASSIGN(vif.vif_type, vif->type);
+ SWITCH_ENTRY_ASSIGN(vif.p2p, vif->p2p);
+ strncpy(local_vifs[i].vif.vif_name,
+ sdata->name,
+ sizeof(local_vifs[i].vif.vif_name));
+ SWITCH_ENTRY_ASSIGN(old_chandef.control_freq,
+ old_ctx->def.chan->center_freq);
+ SWITCH_ENTRY_ASSIGN(old_chandef.chan_width,
+ old_ctx->def.width);
+ SWITCH_ENTRY_ASSIGN(old_chandef.center_freq1,
+ old_ctx->def.center_freq1);
+ SWITCH_ENTRY_ASSIGN(old_chandef.center_freq2,
+ old_ctx->def.center_freq2);
+ SWITCH_ENTRY_ASSIGN(new_chandef.control_freq,
+ new_ctx->def.chan->center_freq);
+ SWITCH_ENTRY_ASSIGN(new_chandef.chan_width,
+ new_ctx->def.width);
+ SWITCH_ENTRY_ASSIGN(new_chandef.center_freq1,
+ new_ctx->def.center_freq1);
+ SWITCH_ENTRY_ASSIGN(new_chandef.center_freq2,
+ new_ctx->def.center_freq2);
+ }
+ }
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " n_vifs:%d mode:%d",
+ LOCAL_PR_ARG, __entry->n_vifs, __entry->mode
+ )
+);
+
DECLARE_EVENT_CLASS(local_sdata_chanctx,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
diff --git a/net/wireless/core.c b/net/wireless/core.c
index d03d8bd..a1c4065 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -130,7 +130,7 @@ int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
newname))
pr_err("failed to rename debugfs dir to %s!\n", newname);
- nl80211_notify_dev_rename(rdev);
+ nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY);
return 0;
}
@@ -660,6 +660,8 @@ int wiphy_register(struct wiphy *wiphy)
return res;
}
+ nl80211_notify_wiphy(rdev, NL80211_CMD_NEW_WIPHY);
+
return 0;
}
EXPORT_SYMBOL(wiphy_register);
@@ -698,6 +700,7 @@ void wiphy_unregister(struct wiphy *wiphy)
rfkill_unregister(rdev->rfkill);
rtnl_lock();
+ nl80211_notify_wiphy(rdev, NL80211_CMD_DEL_WIPHY);
rdev->wiphy.registered = false;
WARN_ON(!list_empty(&rdev->wdev_list));
diff --git a/net/wireless/genregdb.awk b/net/wireless/genregdb.awk
index b35da8d..40c37fc 100644
--- a/net/wireless/genregdb.awk
+++ b/net/wireless/genregdb.awk
@@ -68,17 +68,7 @@ function parse_reg_rule()
sub(/,/, "", units)
dfs_cac = $9
if (units == "mW") {
- if (power == 100) {
- power = 20
- } else if (power == 200) {
- power = 23
- } else if (power == 500) {
- power = 27
- } else if (power == 1000) {
- power = 30
- } else {
- print "Unknown power value in database!"
- }
+ power = 10 * log(power)/log(10)
} else {
dfs_cac = $8
}
@@ -117,7 +107,7 @@ function parse_reg_rule()
}
flags = flags "0"
- printf "\t\tREG_RULE_EXT(%d, %d, %d, %d, %d, %d, %s),\n", start, end, bw, gain, power, dfs_cac, flags
+ printf "\t\tREG_RULE_EXT(%d, %d, %d, %d, %.0f, %d, %s),\n", start, end, bw, gain, power, dfs_cac, flags
rules++
}
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 62bdb1a..ba4f172 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1226,6 +1226,7 @@ struct nl80211_dump_wiphy_state {
};
static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
+ enum nl80211_commands cmd,
struct sk_buff *msg, u32 portid, u32 seq,
int flags, struct nl80211_dump_wiphy_state *state)
{
@@ -1240,7 +1241,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
rdev->wiphy.mgmt_stypes;
u32 features;
- hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_WIPHY);
+ hdr = nl80211hdr_put(msg, portid, seq, flags, cmd);
if (!hdr)
return -ENOBUFS;
@@ -1254,6 +1255,9 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
cfg80211_rdev_list_generation))
goto nla_put_failure;
+ if (cmd != NL80211_CMD_NEW_WIPHY)
+ goto finish;
+
switch (state->split_start) {
case 0:
if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT,
@@ -1682,6 +1686,7 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
state->split_start = 0;
break;
}
+ finish:
return genlmsg_end(msg, hdr);
nla_put_failure:
@@ -1756,7 +1761,8 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
continue;
/* attempt to fit multiple wiphy data chunks into the skb */
do {
- ret = nl80211_send_wiphy(rdev, skb,
+ ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY,
+ skb,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
NLM_F_MULTI, state);
@@ -1811,7 +1817,8 @@ static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
if (!msg)
return -ENOMEM;
- if (nl80211_send_wiphy(rdev, msg, info->snd_portid, info->snd_seq, 0,
+ if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg,
+ info->snd_portid, info->snd_seq, 0,
&state) < 0) {
nlmsg_free(msg);
return -ENOBUFS;
@@ -10101,16 +10108,20 @@ static const struct genl_ops nl80211_ops[] = {
/* notification functions */
-void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
+void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
+ enum nl80211_commands cmd)
{
struct sk_buff *msg;
struct nl80211_dump_wiphy_state state = {};
+ WARN_ON(cmd != NL80211_CMD_NEW_WIPHY &&
+ cmd != NL80211_CMD_DEL_WIPHY);
+
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return;
- if (nl80211_send_wiphy(rdev, msg, 0, 0, 0, &state) < 0) {
+ if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) {
nlmsg_free(msg);
return;
}
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index 1e6df96..49c9a48 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -5,7 +5,8 @@
int nl80211_init(void);
void nl80211_exit(void);
-void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev);
+void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev,
+ enum nl80211_commands cmd);
void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev);
struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,
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