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Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c78
1 files changed, 61 insertions, 17 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 112b4bb009c8..0a31b1d2845d 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -806,6 +806,9 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_MLO_SUPPORT] = { .type = NLA_FLAG },
[NL80211_ATTR_MAX_NUM_AKM_SUITES] = { .type = NLA_REJECT },
[NL80211_ATTR_PUNCT_BITMAP] = NLA_POLICY_RANGE(NLA_U8, 0, 0xffff),
+
+ [NL80211_ATTR_MAX_HW_TIMESTAMP_PEERS] = { .type = NLA_U16 },
+ [NL80211_ATTR_HW_TIMESTAMP_ENABLED] = { .type = NLA_FLAG },
};
/* policy for the key attributes */
@@ -2964,6 +2967,11 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_MLO)
nla_put_flag(msg, NL80211_ATTR_MLO_SUPPORT);
+ if (rdev->wiphy.hw_timestamp_max_peers &&
+ nla_put_u16(msg, NL80211_ATTR_MAX_HW_TIMESTAMP_PEERS,
+ rdev->wiphy.hw_timestamp_max_peers))
+ goto nla_put_failure;
+
/* done */
state->split_start = 0;
break;
@@ -9019,7 +9027,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
struct nlattr *attr;
struct wiphy *wiphy;
int err, tmp, n_ssids = 0, n_channels, i;
- size_t ie_len;
+ size_t ie_len, size;
wiphy = &rdev->wiphy;
@@ -9064,10 +9072,10 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
if (ie_len > wiphy->max_scan_ie_len)
return -EINVAL;
- request = kzalloc(sizeof(*request)
- + sizeof(*request->ssids) * n_ssids
- + sizeof(*request->channels) * n_channels
- + ie_len, GFP_KERNEL);
+ size = struct_size(request, channels, n_channels);
+ size = size_add(size, array_size(sizeof(*request->ssids), n_ssids));
+ size = size_add(size, ie_len);
+ request = kzalloc(size, GFP_KERNEL);
if (!request)
return -ENOMEM;
@@ -9400,7 +9408,7 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
struct nlattr *attr;
int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0;
enum nl80211_band band;
- size_t ie_len;
+ size_t ie_len, size;
struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1];
s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF;
@@ -9509,12 +9517,14 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]))
return ERR_PTR(-EINVAL);
- request = kzalloc(sizeof(*request)
- + sizeof(*request->ssids) * n_ssids
- + sizeof(*request->match_sets) * n_match_sets
- + sizeof(*request->scan_plans) * n_plans
- + sizeof(*request->channels) * n_channels
- + ie_len, GFP_KERNEL);
+ size = struct_size(request, channels, n_channels);
+ size = size_add(size, array_size(sizeof(*request->ssids), n_ssids));
+ size = size_add(size, array_size(sizeof(*request->match_sets),
+ n_match_sets));
+ size = size_add(size, array_size(sizeof(*request->scan_plans),
+ n_plans));
+ size = size_add(size, ie_len);
+ request = kzalloc(size, GFP_KERNEL);
if (!request)
return ERR_PTR(-ENOMEM);
@@ -16162,6 +16172,29 @@ nl80211_remove_link_station(struct sk_buff *skb, struct genl_info *info)
return ret;
}
+static int nl80211_set_hw_timestamp(struct sk_buff *skb,
+ struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct net_device *dev = info->user_ptr[1];
+ struct cfg80211_set_hw_timestamp hwts = {};
+
+ if (!rdev->wiphy.hw_timestamp_max_peers)
+ return -EOPNOTSUPP;
+
+ if (!info->attrs[NL80211_ATTR_MAC] &&
+ rdev->wiphy.hw_timestamp_max_peers != CFG80211_HW_TIMESTAMP_ALL_PEERS)
+ return -EOPNOTSUPP;
+
+ if (info->attrs[NL80211_ATTR_MAC])
+ hwts.macaddr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ hwts.enable =
+ nla_get_flag(info->attrs[NL80211_ATTR_HW_TIMESTAMP_ENABLED]);
+
+ return rdev_set_hw_timestamp(rdev, dev, &hwts);
+}
+
#define NL80211_FLAG_NEED_WIPHY 0x01
#define NL80211_FLAG_NEED_NETDEV 0x02
#define NL80211_FLAG_NEED_RTNL 0x04
@@ -17336,6 +17369,12 @@ static const struct genl_small_ops nl80211_small_ops[] = {
.internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP |
NL80211_FLAG_MLO_VALID_LINK_ID),
},
+ {
+ .cmd = NL80211_CMD_SET_HW_TIMESTAMP,
+ .doit = nl80211_set_hw_timestamp,
+ .flags = GENL_UNS_ADMIN_PERM,
+ .internal_flags = IFLAGS(NL80211_FLAG_NEED_NETDEV_UP),
+ },
};
static struct genl_family nl80211_fam __ro_after_init = {
@@ -18717,7 +18756,9 @@ EXPORT_SYMBOL(cfg80211_mgmt_tx_status_ext);
static int __nl80211_rx_control_port(struct net_device *dev,
struct sk_buff *skb,
- bool unencrypted, gfp_t gfp)
+ bool unencrypted,
+ int link_id,
+ gfp_t gfp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
@@ -18749,6 +18790,8 @@ static int __nl80211_rx_control_port(struct net_device *dev,
NL80211_ATTR_PAD) ||
nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
+ (link_id >= 0 &&
+ nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) ||
(unencrypted && nla_put_flag(msg,
NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)))
goto nla_put_failure;
@@ -18767,13 +18810,14 @@ static int __nl80211_rx_control_port(struct net_device *dev,
return -ENOBUFS;
}
-bool cfg80211_rx_control_port(struct net_device *dev,
- struct sk_buff *skb, bool unencrypted)
+bool cfg80211_rx_control_port(struct net_device *dev, struct sk_buff *skb,
+ bool unencrypted, int link_id)
{
int ret;
- trace_cfg80211_rx_control_port(dev, skb, unencrypted);
- ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC);
+ trace_cfg80211_rx_control_port(dev, skb, unencrypted, link_id);
+ ret = __nl80211_rx_control_port(dev, skb, unencrypted, link_id,
+ GFP_ATOMIC);
trace_cfg80211_return_bool(ret == 0);
return ret == 0;
}