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-rw-r--r--net/rmnet_data/rmnet_data_vnd.c14
-rw-r--r--net/wireless/core.c7
-rw-r--r--net/wireless/mlme.c21
-rw-r--r--net/wireless/nl80211.c155
4 files changed, 195 insertions, 2 deletions
diff --git a/net/rmnet_data/rmnet_data_vnd.c b/net/rmnet_data/rmnet_data_vnd.c
index 2999e2c15fdb..2819da9ae3f2 100644
--- a/net/rmnet_data/rmnet_data_vnd.c
+++ b/net/rmnet_data/rmnet_data_vnd.c
@@ -504,6 +504,18 @@ static void rmnet_vnd_setup(struct net_device *dev)
INIT_LIST_HEAD(&dev_conf->flow_head);
}
+/**
+ * rmnet_vnd_setup() - net_device initialization helper function
+ * @dev: Virtual network device
+ *
+ * Called during device initialization. Disables GRO.
+ */
+static void rmnet_vnd_disable_offload(struct net_device *dev)
+{
+ dev->wanted_features &= ~NETIF_F_GRO;
+ __netdev_update_features(dev);
+}
+
/* ***************** Exposed API ******************************************** */
/**
@@ -616,6 +628,8 @@ int rmnet_vnd_create_dev(int id, struct net_device **new_device,
*new_device = dev;
}
+ rmnet_vnd_disable_offload(dev);
+
LOGM("Registered device %s", dev->name);
return rc;
}
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 16043faba52c..14868e42f3ca 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -619,6 +619,13 @@ int wiphy_register(struct wiphy *wiphy)
!rdev->ops->set_mac_acl)))
return -EINVAL;
+ /* assure only valid behaviours are flagged by driver
+ * hence subtract 2 as bit 0 is invalid.
+ */
+ if (WARN_ON(wiphy->bss_select_support &&
+ (wiphy->bss_select_support & ~(BIT(__NL80211_BSS_SELECT_ATTR_AFTER_LAST) - 2))))
+ return -EINVAL;
+
if (wiphy->addresses)
memcpy(wiphy->perm_addr, wiphy->addresses[0].addr, ETH_ALEN);
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index fb44fa3bf4ef..594eeea9533b 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -644,8 +644,25 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
return err;
}
- if (!ether_addr_equal(mgmt->sa, wdev_address(wdev)))
- return -EINVAL;
+ if (!ether_addr_equal(mgmt->sa, wdev_address(wdev))) {
+ /* Allow random TA to be used with Public Action frames if the
+ * driver has indicated support for this. Otherwise, only allow
+ * the local address to be used.
+ */
+ if (!ieee80211_is_action(mgmt->frame_control) ||
+ mgmt->u.action.category != WLAN_CATEGORY_PUBLIC)
+ return -EINVAL;
+ if (!wdev->current_bss &&
+ !wiphy_ext_feature_isset(
+ &rdev->wiphy,
+ NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA))
+ return -EINVAL;
+ if (wdev->current_bss &&
+ !wiphy_ext_feature_isset(
+ &rdev->wiphy,
+ NL80211_EXT_FEATURE_MGMT_TX_RANDOM_TA_CONNECTED))
+ return -EINVAL;
+ }
/* Transmit the Action frame as requested by user space */
return rdev_mgmt_tx(rdev, wdev, params, cookie);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 2d71cafde513..5ec8e5cf8a8e 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -402,7 +402,12 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
[NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG },
[NL80211_ATTR_PBSS] = { .type = NLA_FLAG },
+ [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED },
[NL80211_ATTR_BSSID] = { .len = ETH_ALEN },
+ [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
+ [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
+ .len = sizeof(struct nl80211_bss_select_rssi_adjust)
+ },
};
/* policy for the key attributes */
@@ -487,6 +492,15 @@ nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = {
[NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 },
};
+static const struct nla_policy
+nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
+ [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG },
+ [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 },
+ [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = {
+ .len = sizeof(struct nl80211_bss_select_rssi_adjust)
+ },
+};
+
static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
struct netlink_callback *cb,
struct cfg80211_registered_device **rdev,
@@ -1778,6 +1792,25 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
}
}
+ if (rdev->wiphy.bss_select_support) {
+ struct nlattr *nested;
+ u32 bss_select_support = rdev->wiphy.bss_select_support;
+
+ nested = nla_nest_start(msg, NL80211_ATTR_BSS_SELECT);
+ if (!nested)
+ goto nla_put_failure;
+
+ i = 0;
+ while (bss_select_support) {
+ if ((bss_select_support & 1) &&
+ nla_put_flag(msg, i))
+ goto nla_put_failure;
+ i++;
+ bss_select_support >>= 1;
+ }
+ nla_nest_end(msg, nested);
+ }
+
/* done */
state->split_start = 0;
break;
@@ -6087,6 +6120,73 @@ static int validate_scan_freqs(struct nlattr *freqs)
return n_channels;
}
+static bool is_band_valid(struct wiphy *wiphy, enum ieee80211_band b)
+{
+ return b < IEEE80211_NUM_BANDS && wiphy->bands[b];
+}
+
+static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy,
+ struct cfg80211_bss_selection *bss_select)
+{
+ struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1];
+ struct nlattr *nest;
+ int err;
+ bool found = false;
+ int i;
+
+ /* only process one nested attribute */
+ nest = nla_data(nla);
+ if (!nla_ok(nest, nla_len(nest)))
+ return -EINVAL;
+
+ err = nla_parse(attr, NL80211_BSS_SELECT_ATTR_MAX, nla_data(nest),
+ nla_len(nest), nl80211_bss_select_policy);
+ if (err)
+ return err;
+
+ /* only one attribute may be given */
+ for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) {
+ if (attr[i]) {
+ if (found)
+ return -EINVAL;
+ found = true;
+ }
+ }
+
+ bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID;
+
+ if (attr[NL80211_BSS_SELECT_ATTR_RSSI])
+ bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI;
+
+ if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) {
+ bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF;
+ bss_select->param.band_pref =
+ nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]);
+ if (!is_band_valid(wiphy, bss_select->param.band_pref))
+ return -EINVAL;
+ }
+
+ if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) {
+ struct nl80211_bss_select_rssi_adjust *adj_param;
+
+ adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]);
+ bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST;
+ bss_select->param.adjust.band = adj_param->band;
+ bss_select->param.adjust.delta = adj_param->delta;
+ if (!is_band_valid(wiphy, bss_select->param.adjust.band))
+ return -EINVAL;
+ }
+
+ /* user-space did not provide behaviour attribute */
+ if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID)
+ return -EINVAL;
+
+ if (!(wiphy->bss_select_support & BIT(bss_select->behaviour)))
+ return -EINVAL;
+
+ return 0;
+}
+
static int nl80211_parse_random_mac(struct nlattr **attrs,
u8 *mac_addr, u8 *mac_addr_mask)
{
@@ -6557,6 +6657,12 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
if (!n_plans || n_plans > wiphy->max_sched_scan_plans)
return ERR_PTR(-EINVAL);
+ if (!wiphy_ext_feature_isset(
+ wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) &&
+ (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] ||
+ 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
@@ -6762,6 +6868,26 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev,
request->delay =
nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]);
+ if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) {
+ request->relative_rssi = nla_get_s8(
+ attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]);
+ request->relative_rssi_set = true;
+ }
+
+ if (request->relative_rssi_set &&
+ attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) {
+ struct nl80211_bss_select_rssi_adjust *rssi_adjust;
+
+ rssi_adjust = nla_data(
+ attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]);
+ request->rssi_adjust.band = rssi_adjust->band;
+ request->rssi_adjust.delta = rssi_adjust->delta;
+ if (!is_band_valid(wiphy, request->rssi_adjust.band)) {
+ err = -EINVAL;
+ goto out_free;
+ }
+ }
+
err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs);
if (err)
goto out_free;
@@ -8349,6 +8475,21 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
return -EOPNOTSUPP;
}
+ if (info->attrs[NL80211_ATTR_BSS_SELECT]) {
+ /* bss selection makes no sense if bssid is set */
+ if (connect.bssid) {
+ kzfree(connkeys);
+ return -EINVAL;
+ }
+
+ err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT],
+ wiphy, &connect.bss_select);
+ if (err) {
+ kzfree(connkeys);
+ return err;
+ }
+ }
+
wdev_lock(dev->ieee80211_ptr);
err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL);
wdev_unlock(dev->ieee80211_ptr);
@@ -9245,6 +9386,20 @@ static int nl80211_send_wowlan_nd(struct sk_buff *msg,
if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay))
return -ENOBUFS;
+ if (req->relative_rssi_set) {
+ struct nl80211_bss_select_rssi_adjust rssi_adjust;
+
+ if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI,
+ req->relative_rssi))
+ return -ENOBUFS;
+
+ rssi_adjust.band = req->rssi_adjust.band;
+ rssi_adjust.delta = req->rssi_adjust.delta;
+ if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST,
+ sizeof(rssi_adjust), &rssi_adjust))
+ return -ENOBUFS;
+ }
+
freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
if (!freqs)
return -ENOBUFS;
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-04 06:03:21 +0000