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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem

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这个提交包含在：
John W. Linville
2014-02-20 15:02:02 -05:00
父节点 010d3c3989 35582ad9d3
当前提交 88daf80dcc
共修改 211 个文件，包含 9951 行新增和 6366 行删除
下载 Patch 文件 下载 Diff 文件 展开所有文件 折叠所有文件

3
net/wireless/ap.c
查看文件

@@ -27,9 +27,10 @@ static int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
err = rdev_stop_ap(rdev, dev);
if (!err) {
wdev->beacon_interval = 0;
wdev->channel = NULL;
memset(&wdev->chandef, 0, sizeof(wdev->chandef));
wdev->ssid_len = 0;
rdev_set_qos_map(rdev, dev, NULL);
nl80211_send_ap_stopped(wdev);
}
return err;

23
net/wireless/chan.c
查看文件

@@ -642,7 +642,8 @@ int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
void
cfg80211_get_chan_state(struct wireless_dev *wdev,
struct ieee80211_channel **chan,
enum cfg80211_chan_mode *chanmode)
enum cfg80211_chan_mode *chanmode,
u8 *radar_detect)
{
*chan = NULL;
*chanmode = CHAN_MODE_UNDEFINED;
@@ -660,6 +661,11 @@ cfg80211_get_chan_state(struct wireless_dev *wdev,
!wdev->ibss_dfs_possible)
? CHAN_MODE_SHARED
: CHAN_MODE_EXCLUSIVE;
/* consider worst-case - IBSS can try to return to the
* original user-specified channel as creator */
if (wdev->ibss_dfs_possible)
*radar_detect |= BIT(wdev->chandef.width);
return;
}
break;
@@ -674,17 +680,26 @@ cfg80211_get_chan_state(struct wireless_dev *wdev,
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
if (wdev->cac_started) {
*chan = wdev->channel;
*chan = wdev->chandef.chan;
*chanmode = CHAN_MODE_SHARED;
*radar_detect |= BIT(wdev->chandef.width);
} else if (wdev->beacon_interval) {
*chan = wdev->channel;
*chan = wdev->chandef.chan;
*chanmode = CHAN_MODE_SHARED;
if (cfg80211_chandef_dfs_required(wdev->wiphy,
&wdev->chandef))
*radar_detect |= BIT(wdev->chandef.width);
}
return;
case NL80211_IFTYPE_MESH_POINT:
if (wdev->mesh_id_len) {
*chan = wdev->channel;
*chan = wdev->chandef.chan;
*chanmode = CHAN_MODE_SHARED;
if (cfg80211_chandef_dfs_required(wdev->wiphy,
&wdev->chandef))
*radar_detect |= BIT(wdev->chandef.width);
}
return;
case NL80211_IFTYPE_MONITOR:

2
net/wireless/core.c
查看文件

@@ -737,7 +737,7 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev)
}
EXPORT_SYMBOL(cfg80211_unregister_wdev);
static struct device_type wiphy_type = {
static const struct device_type wiphy_type = {
.name = "wlan",
};

7
net/wireless/core.h
查看文件

@@ -211,6 +211,7 @@ struct cfg80211_event {
} dc;
struct {
u8 bssid[ETH_ALEN];
struct ieee80211_channel *channel;
} ij;
};
};
@@ -258,7 +259,8 @@ int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
struct net_device *dev, bool nowext);
int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
struct net_device *dev, bool nowext);
void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid);
void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
struct ieee80211_channel *channel);
int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev);
@@ -443,7 +445,8 @@ static inline unsigned int elapsed_jiffies_msecs(unsigned long start)
void
cfg80211_get_chan_state(struct wireless_dev *wdev,
struct ieee80211_channel **chan,
enum cfg80211_chan_mode *chanmode);
enum cfg80211_chan_mode *chanmode,
u8 *radar_detect);
int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
struct cfg80211_chan_def *chandef);

19
net/wireless/ibss.c
查看文件

@@ -14,7 +14,8 @@
#include "rdev-ops.h"
void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid)
void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
struct ieee80211_channel *channel)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_bss *bss;
@@ -28,8 +29,7 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid)
if (!wdev->ssid_len)
return;
bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
wdev->ssid, wdev->ssid_len,
bss = cfg80211_get_bss(wdev->wiphy, channel, bssid, NULL, 0,
WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS);
if (WARN_ON(!bss))
@@ -54,21 +54,26 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid)
#endif
}
void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp)
void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
struct ieee80211_channel *channel, gfp_t gfp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
struct cfg80211_event *ev;
unsigned long flags;
trace_cfg80211_ibss_joined(dev, bssid);
trace_cfg80211_ibss_joined(dev, bssid, channel);
if (WARN_ON(!channel))
return;
ev = kzalloc(sizeof(*ev), gfp);
if (!ev)
return;
ev->type = EVENT_IBSS_JOINED;
memcpy(ev->cr.bssid, bssid, ETH_ALEN);
memcpy(ev->ij.bssid, bssid, ETH_ALEN);
ev->ij.channel = channel;
spin_lock_irqsave(&wdev->event_lock, flags);
list_add_tail(&ev->list, &wdev->event_list);
@@ -117,6 +122,7 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
wdev->ibss_fixed = params->channel_fixed;
wdev->ibss_dfs_possible = params->userspace_handles_dfs;
wdev->chandef = params->chandef;
#ifdef CONFIG_CFG80211_WEXT
wdev->wext.ibss.chandef = params->chandef;
#endif
@@ -200,6 +206,7 @@ static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext)
wdev->current_bss = NULL;
wdev->ssid_len = 0;
memset(&wdev->chandef, 0, sizeof(wdev->chandef));
#ifdef CONFIG_CFG80211_WEXT
if (!nowext)
wdev->wext.ibss.ssid_len = 0;

6
net/wireless/mesh.c
查看文件

@@ -195,7 +195,7 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
if (!err) {
memcpy(wdev->ssid, setup->mesh_id, setup->mesh_id_len);
wdev->mesh_id_len = setup->mesh_id_len;
wdev->channel = setup->chandef.chan;
wdev->chandef = setup->chandef;
}
return err;
@@ -244,7 +244,7 @@ int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
err = rdev_libertas_set_mesh_channel(rdev, wdev->netdev,
chandef->chan);
if (!err)
wdev->channel = chandef->chan;
wdev->chandef = *chandef;
return err;
}
@@ -276,7 +276,7 @@ static int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
err = rdev_leave_mesh(rdev, dev);
if (!err) {
wdev->mesh_id_len = 0;
wdev->channel = NULL;
memset(&wdev->chandef, 0, sizeof(wdev->chandef));
rdev_set_qos_map(rdev, dev, NULL);
}

2
net/wireless/mlme.c
查看文件

@@ -772,7 +772,7 @@ void cfg80211_cac_event(struct net_device *netdev,
if (WARN_ON(!wdev->cac_started))
return;
if (WARN_ON(!wdev->channel))
if (WARN_ON(!wdev->chandef.chan))
return;
switch (event) {

229
net/wireless/nl80211.c
查看文件

@@ -382,6 +382,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
[NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
.len = IEEE80211_QOS_MAP_LEN_MAX },
[NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN },
[NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
};
/* policy for the key attributes */
@@ -855,6 +857,19 @@ static int nl80211_key_allowed(struct wireless_dev *wdev)
return 0;
}
static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
struct nlattr *tb)
{
struct ieee80211_channel *chan;
if (tb == NULL)
return NULL;
chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
return NULL;
return chan;
}
static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes)
{
struct nlattr *nl_modes = nla_nest_start(msg, attr);
@@ -1586,6 +1601,12 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *dev,
(nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) ||
nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ)))
goto nla_put_failure;
if (dev->wiphy.max_ap_assoc_sta &&
nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA,
dev->wiphy.max_ap_assoc_sta))
goto nla_put_failure;
state->split_start++;
break;
case 11:
@@ -2035,10 +2056,12 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
nla_for_each_nested(nl_txq_params,
info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
rem_txq_params) {
nla_parse(tb, NL80211_TXQ_ATTR_MAX,
nla_data(nl_txq_params),
nla_len(nl_txq_params),
txq_params_policy);
result = nla_parse(tb, NL80211_TXQ_ATTR_MAX,
nla_data(nl_txq_params),
nla_len(nl_txq_params),
txq_params_policy);
if (result)
return result;
result = parse_txq_params(tb, &txq_params);
if (result)
return result;
@@ -3259,7 +3282,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
if (!err) {
wdev->preset_chandef = params.chandef;
wdev->beacon_interval = params.beacon_interval;
wdev->channel = params.chandef.chan;
wdev->chandef = params.chandef;
wdev->ssid_len = params.ssid_len;
memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
}
@@ -3902,8 +3925,8 @@ static struct net_device *get_vlan(struct genl_info *info,
return ERR_PTR(ret);
}
static struct nla_policy
nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = {
static const struct nla_policy
nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = {
[NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
[NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
};
@@ -4604,8 +4627,6 @@ static int parse_reg_rule(struct nlattr *tb[],
return -EINVAL;
if (!tb[NL80211_ATTR_FREQ_RANGE_END])
return -EINVAL;
if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
return -EINVAL;
if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP])
return -EINVAL;
@@ -4615,8 +4636,9 @@ static int parse_reg_rule(struct nlattr *tb[],
nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]);
freq_range->end_freq_khz =
nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]);
freq_range->max_bandwidth_khz =
nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
if (tb[NL80211_ATTR_FREQ_RANGE_MAX_BW])
freq_range->max_bandwidth_khz =
nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]);
power_rule->max_eirp =
nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]);
@@ -5086,6 +5108,7 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
const struct ieee80211_reg_rule *reg_rule;
const struct ieee80211_freq_range *freq_range;
const struct ieee80211_power_rule *power_rule;
unsigned int max_bandwidth_khz;
reg_rule = &regdom->reg_rules[i];
freq_range = &reg_rule->freq_range;
@@ -5095,6 +5118,11 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
if (!nl_reg_rule)
goto nla_put_failure_rcu;
max_bandwidth_khz = freq_range->max_bandwidth_khz;
if (!max_bandwidth_khz)
max_bandwidth_khz = reg_get_max_bandwidth(regdom,
reg_rule);
if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS,
reg_rule->flags) ||
nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START,
@@ -5102,7 +5130,7 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END,
freq_range->end_freq_khz) ||
nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW,
freq_range->max_bandwidth_khz) ||
max_bandwidth_khz) ||
nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN,
power_rule->max_antenna_gain) ||
nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP,
@@ -5178,9 +5206,11 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES],
rem_reg_rules) {
nla_parse(tb, NL80211_REG_RULE_ATTR_MAX,
nla_data(nl_reg_rule), nla_len(nl_reg_rule),
reg_rule_policy);
r = nla_parse(tb, NL80211_REG_RULE_ATTR_MAX,
nla_data(nl_reg_rule), nla_len(nl_reg_rule),
reg_rule_policy);
if (r)
goto bad_reg;
r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]);
if (r)
goto bad_reg;
@@ -5443,6 +5473,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
enum ieee80211_band band;
size_t ie_len;
struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
!rdev->ops->sched_scan_start)
@@ -5477,11 +5508,40 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
if (n_ssids > wiphy->max_sched_scan_ssids)
return -EINVAL;
if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH])
/*
* First, count the number of 'real' matchsets. Due to an issue with
* the old implementation, matchsets containing only the RSSI attribute
* (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
* RSSI for all matchsets, rather than their own matchset for reporting
* all APs with a strong RSSI. This is needed to be compatible with
* older userspace that treated a matchset with only the RSSI as the
* global RSSI for all other matchsets - if there are other matchsets.
*/
if (info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) {
nla_for_each_nested(attr,
info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
tmp)
n_match_sets++;
tmp) {
struct nlattr *rssi;
err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
nla_data(attr), nla_len(attr),
nl80211_match_policy);
if (err)
return err;
/* add other standalone attributes here */
if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]) {
n_match_sets++;
continue;
}
rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
if (rssi)
default_match_rssi = nla_get_s32(rssi);
}
}
/* However, if there's no other matchset, add the RSSI one */
if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF)
n_match_sets = 1;
if (n_match_sets > wiphy->max_match_sets)
return -EINVAL;
@@ -5602,11 +5662,22 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
tmp) {
struct nlattr *ssid, *rssi;
nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
nla_data(attr), nla_len(attr),
nl80211_match_policy);
err = nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
nla_data(attr), nla_len(attr),
nl80211_match_policy);
if (err)
goto out_free;
ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID];
if (ssid) {
if (WARN_ON(i >= n_match_sets)) {
/* this indicates a programming error,
* the loop above should have verified
* things properly
*/
err = -EINVAL;
goto out_free;
}
if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) {
err = -EINVAL;
goto out_free;
@@ -5615,15 +5686,28 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
nla_data(ssid), nla_len(ssid));
request->match_sets[i].ssid.ssid_len =
nla_len(ssid);
/* special attribute - old implemenation w/a */
request->match_sets[i].rssi_thold =
default_match_rssi;
rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
if (rssi)
request->match_sets[i].rssi_thold =
nla_get_s32(rssi);
}
rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
if (rssi)
request->rssi_thold = nla_get_u32(rssi);
else
request->rssi_thold =
NL80211_SCAN_RSSI_THOLD_OFF;
i++;
}
/* there was no other matchset, so the RSSI one is alone */
if (i == 0)
request->match_sets[0].rssi_thold = default_match_rssi;
request->min_rssi_thold = INT_MAX;
for (i = 0; i < n_match_sets; i++)
request->min_rssi_thold =
min(request->match_sets[i].rssi_thold,
request->min_rssi_thold);
} else {
request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF;
}
if (info->attrs[NL80211_ATTR_IE]) {
@@ -5719,7 +5803,7 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef);
if (!err) {
wdev->channel = chandef.chan;
wdev->chandef = chandef;
wdev->cac_started = true;
wdev->cac_start_time = jiffies;
}
@@ -5751,10 +5835,15 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
/* useless if AP is not running */
if (!wdev->beacon_interval)
return -EINVAL;
return -ENOTCONN;
break;
case NL80211_IFTYPE_ADHOC:
if (!wdev->ssid_len)
return -ENOTCONN;
break;
case NL80211_IFTYPE_MESH_POINT:
if (!wdev->mesh_id_len)
return -ENOTCONN;
break;
default:
return -EOPNOTSUPP;
@@ -6192,9 +6281,9 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
return -EOPNOTSUPP;
bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
chan = ieee80211_get_channel(&rdev->wiphy,
nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
chan = nl80211_get_valid_chan(&rdev->wiphy,
info->attrs[NL80211_ATTR_WIPHY_FREQ]);
if (!chan)
return -EINVAL;
ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
@@ -6347,9 +6436,9 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
chan = ieee80211_get_channel(&rdev->wiphy,
nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
if (!chan || (chan->flags & IEEE80211_CHAN_DISABLED))
chan = nl80211_get_valid_chan(&rdev->wiphy,
info->attrs[NL80211_ATTR_WIPHY_FREQ]);
if (!chan)
return -EINVAL;
ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
@@ -6985,6 +7074,9 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_MAC])
connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
else if (info->attrs[NL80211_ATTR_MAC_HINT])
connect.bssid_hint =
nla_data(info->attrs[NL80211_ATTR_MAC_HINT]);
connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
@@ -7003,11 +7095,14 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
}
if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
connect.channel =
ieee80211_get_channel(wiphy,
nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
if (!connect.channel ||
connect.channel->flags & IEEE80211_CHAN_DISABLED)
connect.channel = nl80211_get_valid_chan(
wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
if (!connect.channel)
return -EINVAL;
} else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
connect.channel_hint = nl80211_get_valid_chan(
wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
if (!connect.channel_hint)
return -EINVAL;
}
@@ -7421,6 +7516,7 @@ static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
[NL80211_TXRATE_HT] = { .type = NLA_BINARY,
.len = NL80211_MAX_SUPP_HT_RATES },
[NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)},
[NL80211_TXRATE_GI] = { .type = NLA_U8 },
};
static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
@@ -7467,16 +7563,19 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
* directly to the enum ieee80211_band values used in cfg80211.
*/
BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem)
{
nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
enum ieee80211_band band = nla_type(tx_rates);
int err;
if (band < 0 || band >= IEEE80211_NUM_BANDS)
return -EINVAL;
sband = rdev->wiphy.bands[band];
if (sband == NULL)
return -EINVAL;
nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
nla_len(tx_rates), nl80211_txattr_policy);
err = nla_parse(tb, NL80211_TXRATE_MAX, nla_data(tx_rates),
nla_len(tx_rates), nl80211_txattr_policy);
if (err)
return err;
if (tb[NL80211_TXRATE_LEGACY]) {
mask.control[band].legacy = rateset_to_mask(
sband,
@@ -7501,6 +7600,12 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
mask.control[band].vht_mcs))
return -EINVAL;
}
if (tb[NL80211_TXRATE_GI]) {
mask.control[band].gi =
nla_get_u8(tb[NL80211_TXRATE_GI]);
if (mask.control[band].gi > NL80211_TXRATE_FORCE_LGI)
return -EINVAL;
}
if (mask.control[band].legacy == 0) {
/* don't allow empty legacy rates if HT or VHT
@@ -7777,8 +7882,8 @@ static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info)
return err;
}
static struct nla_policy
nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = {
static const struct nla_policy
nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
[NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
[NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
@@ -11107,7 +11212,8 @@ void cfg80211_ch_switch_notify(struct net_device *dev,
wdev->iftype != NL80211_IFTYPE_MESH_POINT))
return;
wdev->channel = chandef->chan;
wdev->chandef = *chandef;
wdev->preset_chandef = *chandef;
nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL);
}
EXPORT_SYMBOL(cfg80211_ch_switch_notify);
@@ -11621,6 +11727,35 @@ void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp)
}
EXPORT_SYMBOL(cfg80211_crit_proto_stopped);
void nl80211_send_ap_stopped(struct wireless_dev *wdev)
{
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
struct sk_buff *msg;
void *hdr;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return;
hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP);
if (!hdr)
goto out;
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) ||
nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)))
goto out;
genlmsg_end(msg, hdr);
genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0,
NL80211_MCGRP_MLME, GFP_KERNEL);
return;
out:
nlmsg_free(msg);
}
/* initialisation/exit functions */
int nl80211_init(void)

2
net/wireless/nl80211.h
查看文件

@@ -74,6 +74,8 @@ nl80211_radar_notify(struct cfg80211_registered_device *rdev,
enum nl80211_radar_event event,
struct net_device *netdev, gfp_t gfp);
void nl80211_send_ap_stopped(struct wireless_dev *wdev);
void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev);
#endif /* __NET_WIRELESS_NL80211_H */

188
net/wireless/reg.c
查看文件

@@ -91,7 +91,7 @@ static struct regulatory_request __rcu *last_request =
/* To trigger userspace events */
static struct platform_device *reg_pdev;
static struct device_type reg_device_type = {
static const struct device_type reg_device_type = {
.uevent = reg_device_uevent,
};
@@ -522,6 +522,77 @@ bool reg_is_valid_request(const char *alpha2)
return alpha2_equal(lr->alpha2, alpha2);
}
static const struct ieee80211_regdomain *reg_get_regdomain(struct wiphy *wiphy)
{
struct regulatory_request *lr = get_last_request();
/*
* Follow the driver's regulatory domain, if present, unless a country
* IE has been processed or a user wants to help complaince further
*/
if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
lr->initiator != NL80211_REGDOM_SET_BY_USER &&
wiphy->regd)
return get_wiphy_regdom(wiphy);
return get_cfg80211_regdom();
}
unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd,
const struct ieee80211_reg_rule *rule)
{
const struct ieee80211_freq_range *freq_range = &rule->freq_range;
const struct ieee80211_freq_range *freq_range_tmp;
const struct ieee80211_reg_rule *tmp;
u32 start_freq, end_freq, idx, no;
for (idx = 0; idx < rd->n_reg_rules; idx++)
if (rule == &rd->reg_rules[idx])
break;
if (idx == rd->n_reg_rules)
return 0;
/* get start_freq */
no = idx;
while (no) {
tmp = &rd->reg_rules[--no];
freq_range_tmp = &tmp->freq_range;
if (freq_range_tmp->end_freq_khz < freq_range->start_freq_khz)
break;
if (freq_range_tmp->max_bandwidth_khz)
break;
freq_range = freq_range_tmp;
}
start_freq = freq_range->start_freq_khz;
/* get end_freq */
freq_range = &rule->freq_range;
no = idx;
while (no < rd->n_reg_rules - 1) {
tmp = &rd->reg_rules[++no];
freq_range_tmp = &tmp->freq_range;
if (freq_range_tmp->start_freq_khz > freq_range->end_freq_khz)
break;
if (freq_range_tmp->max_bandwidth_khz)
break;
freq_range = freq_range_tmp;
}
end_freq = freq_range->end_freq_khz;
return end_freq - start_freq;
}
/* Sanity check on a regulatory rule */
static bool is_valid_reg_rule(const struct ieee80211_reg_rule *rule)
{
@@ -630,7 +701,9 @@ reg_intersect_dfs_region(const enum nl80211_dfs_regions dfs_region1,
* Helper for regdom_intersect(), this does the real
* mathematical intersection fun
*/
static int reg_rules_intersect(const struct ieee80211_reg_rule *rule1,
static int reg_rules_intersect(const struct ieee80211_regdomain *rd1,
const struct ieee80211_regdomain *rd2,
const struct ieee80211_reg_rule *rule1,
const struct ieee80211_reg_rule *rule2,
struct ieee80211_reg_rule *intersected_rule)
{
@@ -638,7 +711,7 @@ static int reg_rules_intersect(const struct ieee80211_reg_rule *rule1,
struct ieee80211_freq_range *freq_range;
const struct ieee80211_power_rule *power_rule1, *power_rule2;
struct ieee80211_power_rule *power_rule;
u32 freq_diff;
u32 freq_diff, max_bandwidth1, max_bandwidth2;
freq_range1 = &rule1->freq_range;
freq_range2 = &rule2->freq_range;
@@ -652,8 +725,24 @@ static int reg_rules_intersect(const struct ieee80211_reg_rule *rule1,
freq_range2->start_freq_khz);
freq_range->end_freq_khz = min(freq_range1->end_freq_khz,
freq_range2->end_freq_khz);
freq_range->max_bandwidth_khz = min(freq_range1->max_bandwidth_khz,
freq_range2->max_bandwidth_khz);
max_bandwidth1 = freq_range1->max_bandwidth_khz;
max_bandwidth2 = freq_range2->max_bandwidth_khz;
/*
* In case max_bandwidth1 == 0 and max_bandwith2 == 0 set
* output bandwidth as 0 (auto calculation). Next we will
* calculate this correctly in handle_channel function.
* In other case calculate output bandwidth here.
*/
if (max_bandwidth1 || max_bandwidth2) {
if (!max_bandwidth1)
max_bandwidth1 = reg_get_max_bandwidth(rd1, rule1);
if (!max_bandwidth2)
max_bandwidth2 = reg_get_max_bandwidth(rd2, rule2);
}
freq_range->max_bandwidth_khz = min(max_bandwidth1, max_bandwidth2);
freq_diff = freq_range->end_freq_khz - freq_range->start_freq_khz;
if (freq_range->max_bandwidth_khz > freq_diff)
@@ -713,7 +802,8 @@ regdom_intersect(const struct ieee80211_regdomain *rd1,
rule1 = &rd1->reg_rules[x];
for (y = 0; y < rd2->n_reg_rules; y++) {
rule2 = &rd2->reg_rules[y];
if (!reg_rules_intersect(rule1, rule2, &dummy_rule))
if (!reg_rules_intersect(rd1, rd2, rule1, rule2,
&dummy_rule))
num_rules++;
}
}
@@ -738,7 +828,8 @@ regdom_intersect(const struct ieee80211_regdomain *rd1,
* a memcpy()
*/
intersected_rule = &rd->reg_rules[rule_idx];
r = reg_rules_intersect(rule1, rule2, intersected_rule);
r = reg_rules_intersect(rd1, rd2, rule1, rule2,
intersected_rule);
/*
* No need to memset here the intersected rule here as
* we're not using the stack anymore
@@ -821,18 +912,8 @@ const struct ieee80211_reg_rule *freq_reg_info(struct wiphy *wiphy,
u32 center_freq)
{
const struct ieee80211_regdomain *regd;
struct regulatory_request *lr = get_last_request();
/*
* Follow the driver's regulatory domain, if present, unless a country
* IE has been processed or a user wants to help complaince further
*/
if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
lr->initiator != NL80211_REGDOM_SET_BY_USER &&
wiphy->regd)
regd = get_wiphy_regdom(wiphy);
else
regd = get_cfg80211_regdom();
regd = reg_get_regdomain(wiphy);
return freq_reg_info_regd(wiphy, center_freq, regd);
}
@@ -903,6 +984,8 @@ static void handle_channel(struct wiphy *wiphy,
const struct ieee80211_freq_range *freq_range = NULL;
struct wiphy *request_wiphy = NULL;
struct regulatory_request *lr = get_last_request();
const struct ieee80211_regdomain *regd;
u32 max_bandwidth_khz;
request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx);
@@ -944,11 +1027,18 @@ static void handle_channel(struct wiphy *wiphy,
power_rule = &reg_rule->power_rule;
freq_range = &reg_rule->freq_range;
if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(40))
max_bandwidth_khz = freq_range->max_bandwidth_khz;
/* Check if auto calculation requested */
if (!max_bandwidth_khz) {
regd = reg_get_regdomain(wiphy);
max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule);
}
if (max_bandwidth_khz < MHZ_TO_KHZ(40))
bw_flags = IEEE80211_CHAN_NO_HT40;
if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(80))
if (max_bandwidth_khz < MHZ_TO_KHZ(80))
bw_flags |= IEEE80211_CHAN_NO_80MHZ;
if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(160))
if (max_bandwidth_khz < MHZ_TO_KHZ(160))
bw_flags |= IEEE80211_CHAN_NO_160MHZ;
if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
@@ -1334,6 +1424,7 @@ static void handle_channel_custom(struct wiphy *wiphy,
const struct ieee80211_reg_rule *reg_rule = NULL;
const struct ieee80211_power_rule *power_rule = NULL;
const struct ieee80211_freq_range *freq_range = NULL;
u32 max_bandwidth_khz;
reg_rule = freq_reg_info_regd(wiphy, MHZ_TO_KHZ(chan->center_freq),
regd);
@@ -1351,11 +1442,16 @@ static void handle_channel_custom(struct wiphy *wiphy,
power_rule = &reg_rule->power_rule;
freq_range = &reg_rule->freq_range;
if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(40))
max_bandwidth_khz = freq_range->max_bandwidth_khz;
/* Check if auto calculation requested */
if (!max_bandwidth_khz)
max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule);
if (max_bandwidth_khz < MHZ_TO_KHZ(40))
bw_flags = IEEE80211_CHAN_NO_HT40;
if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(80))
if (max_bandwidth_khz < MHZ_TO_KHZ(80))
bw_flags |= IEEE80211_CHAN_NO_80MHZ;
if (freq_range->max_bandwidth_khz < MHZ_TO_KHZ(160))
if (max_bandwidth_khz < MHZ_TO_KHZ(160))
bw_flags |= IEEE80211_CHAN_NO_160MHZ;
chan->flags |= map_regdom_flags(reg_rule->flags) | bw_flags;
@@ -1683,17 +1779,9 @@ static void reg_process_hint(struct regulatory_request *reg_request)
struct wiphy *wiphy = NULL;
enum reg_request_treatment treatment;
if (WARN_ON(!reg_request->alpha2))
return;
if (reg_request->wiphy_idx != WIPHY_IDX_INVALID)
wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx);
if (reg_request->initiator == NL80211_REGDOM_SET_BY_DRIVER && !wiphy) {
kfree(reg_request);
return;
}
switch (reg_request->initiator) {
case NL80211_REGDOM_SET_BY_CORE:
reg_process_hint_core(reg_request);
@@ -1703,23 +1791,33 @@ static void reg_process_hint(struct regulatory_request *reg_request)
if (treatment == REG_REQ_OK ||
treatment == REG_REQ_ALREADY_SET)
return;
schedule_delayed_work(&reg_timeout, msecs_to_jiffies(3142));
queue_delayed_work(system_power_efficient_wq,
&reg_timeout, msecs_to_jiffies(3142));
return;
case NL80211_REGDOM_SET_BY_DRIVER:
if (!wiphy)
goto out_free;
treatment = reg_process_hint_driver(wiphy, reg_request);
break;
case NL80211_REGDOM_SET_BY_COUNTRY_IE:
if (!wiphy)
goto out_free;
treatment = reg_process_hint_country_ie(wiphy, reg_request);
break;
default:
WARN(1, "invalid initiator %d\n", reg_request->initiator);
return;
goto out_free;
}
/* This is required so that the orig_* parameters are saved */
if (treatment == REG_REQ_ALREADY_SET && wiphy &&
wiphy->regulatory_flags & REGULATORY_STRICT_REG)
wiphy_update_regulatory(wiphy, reg_request->initiator);
return;
out_free:
kfree(reg_request);
}
/*
@@ -2147,6 +2245,7 @@ static void print_rd_rules(const struct ieee80211_regdomain *rd)
const struct ieee80211_reg_rule *reg_rule = NULL;
const struct ieee80211_freq_range *freq_range = NULL;
const struct ieee80211_power_rule *power_rule = NULL;
char bw[32];
pr_info(" (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)\n");
@@ -2155,22 +2254,29 @@ static void print_rd_rules(const struct ieee80211_regdomain *rd)
freq_range = &reg_rule->freq_range;
power_rule = &reg_rule->power_rule;
if (!freq_range->max_bandwidth_khz)
snprintf(bw, 32, "%d KHz, AUTO",
reg_get_max_bandwidth(rd, reg_rule));
else
snprintf(bw, 32, "%d KHz",
freq_range->max_bandwidth_khz);
/*
* There may not be documentation for max antenna gain
* in certain regions
*/
if (power_rule->max_antenna_gain)
pr_info(" (%d KHz - %d KHz @ %d KHz), (%d mBi, %d mBm)\n",
pr_info(" (%d KHz - %d KHz @ %s), (%d mBi, %d mBm)\n",
freq_range->start_freq_khz,
freq_range->end_freq_khz,
freq_range->max_bandwidth_khz,
bw,
power_rule->max_antenna_gain,
power_rule->max_eirp);
else
pr_info(" (%d KHz - %d KHz @ %d KHz), (N/A, %d mBm)\n",
pr_info(" (%d KHz - %d KHz @ %s), (N/A, %d mBm)\n",
freq_range->start_freq_khz,
freq_range->end_freq_khz,
freq_range->max_bandwidth_khz,
bw,
power_rule->max_eirp);
}
}
@@ -2294,7 +2400,8 @@ static int reg_set_rd_driver(const struct ieee80211_regdomain *rd,
request_wiphy = wiphy_idx_to_wiphy(driver_request->wiphy_idx);
if (!request_wiphy) {
schedule_delayed_work(&reg_timeout, 0);
queue_delayed_work(system_power_efficient_wq,
&reg_timeout, 0);
return -ENODEV;
}
@@ -2354,7 +2461,8 @@ static int reg_set_rd_country_ie(const struct ieee80211_regdomain *rd,
request_wiphy = wiphy_idx_to_wiphy(country_ie_request->wiphy_idx);
if (!request_wiphy) {
schedule_delayed_work(&reg_timeout, 0);
queue_delayed_work(system_power_efficient_wq,
&reg_timeout, 0);
return -ENODEV;
}

2
net/wireless/reg.h
查看文件

@@ -34,6 +34,8 @@ int __init regulatory_init(void);
void regulatory_exit(void);
int set_regdom(const struct ieee80211_regdomain *rd);
unsigned int reg_get_max_bandwidth(const struct ieee80211_regdomain *rd,
const struct ieee80211_reg_rule *rule);
bool reg_last_request_cell_base(void);

23
net/wireless/trace.h
查看文件

@@ -2278,11 +2278,6 @@ DECLARE_EVENT_CLASS(cfg80211_rx_evt,
TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT, NETDEV_PR_ARG, MAC_PR_ARG(addr))
);
DEFINE_EVENT(cfg80211_rx_evt, cfg80211_ibss_joined,
TP_PROTO(struct net_device *netdev, const u8 *addr),
TP_ARGS(netdev, addr)
);
DEFINE_EVENT(cfg80211_rx_evt, cfg80211_rx_spurious_frame,
TP_PROTO(struct net_device *netdev, const u8 *addr),
TP_ARGS(netdev, addr)
@@ -2293,6 +2288,24 @@ DEFINE_EVENT(cfg80211_rx_evt, cfg80211_rx_unexpected_4addr_frame,
TP_ARGS(netdev, addr)
);
TRACE_EVENT(cfg80211_ibss_joined,
TP_PROTO(struct net_device *netdev, const u8 *bssid,
struct ieee80211_channel *channel),
TP_ARGS(netdev, bssid, channel),
TP_STRUCT__entry(
NETDEV_ENTRY
MAC_ENTRY(bssid)
CHAN_ENTRY
),
TP_fast_assign(
NETDEV_ASSIGN;
MAC_ASSIGN(bssid, bssid);
CHAN_ASSIGN(channel);
),
TP_printk(NETDEV_PR_FMT ", bssid: " MAC_PR_FMT ", " CHAN_PR_FMT,
NETDEV_PR_ARG, MAC_PR_ARG(bssid), CHAN_PR_ARG)
);
TRACE_EVENT(cfg80211_probe_status,
TP_PROTO(struct net_device *netdev, const u8 *addr, u64 cookie,
bool acked),

5
net/wireless/util.c
查看文件

@@ -820,7 +820,8 @@ void cfg80211_process_wdev_events(struct wireless_dev *wdev)
ev->dc.reason, true);
break;
case EVENT_IBSS_JOINED:
__cfg80211_ibss_joined(wdev->netdev, ev->ij.bssid);
__cfg80211_ibss_joined(wdev->netdev, ev->ij.bssid,
ev->ij.channel);
break;
}
wdev_unlock(wdev);
@@ -1356,7 +1357,7 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
*/
mutex_lock_nested(&wdev_iter->mtx, 1);
__acquire(wdev_iter->mtx);
cfg80211_get_chan_state(wdev_iter, &ch, &chmode);
cfg80211_get_chan_state(wdev_iter, &ch, &chmode, &radar_detect);
wdev_unlock(wdev_iter);
switch (chmode) {