diff options
Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r-- | net/wireless/nl80211.c | 199 |
1 files changed, 162 insertions, 37 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 112b4bb009c8..087d60c0f6e4 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -462,6 +462,11 @@ nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, }; +static struct netlink_range_validation nl80211_punct_bitmap_range = { + .min = 0, + .max = 0xffff, +}; + static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD }, [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, @@ -805,7 +810,12 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { [NL80211_ATTR_MLD_ADDR] = NLA_POLICY_EXACT_LEN(ETH_ALEN), [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_PUNCT_BITMAP] = + NLA_POLICY_FULL_RANGE(NLA_U32, &nl80211_punct_bitmap_range), + + [NL80211_ATTR_MAX_HW_TIMESTAMP_PEERS] = { .type = NLA_U16 }, + [NL80211_ATTR_HW_TIMESTAMP_ENABLED] = { .type = NLA_FLAG }, + [NL80211_ATTR_EMA_RNR_ELEMS] = { .type = NLA_NESTED }, }; /* policy for the key attributes */ @@ -1957,6 +1967,16 @@ static int nl80211_send_band_rateinfo(struct sk_buff *msg, nla_nest_end(msg, nl_rates); + /* S1G capabilities */ + if (sband->band == NL80211_BAND_S1GHZ && sband->s1g_cap.s1g && + (nla_put(msg, NL80211_BAND_ATTR_S1G_CAPA, + sizeof(sband->s1g_cap.cap), + sband->s1g_cap.cap) || + nla_put(msg, NL80211_BAND_ATTR_S1G_MCS_NSS_SET, + sizeof(sband->s1g_cap.nss_mcs), + sband->s1g_cap.nss_mcs))) + return -ENOBUFS; + return 0; } @@ -2964,6 +2984,11 @@ 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; @@ -3756,8 +3781,7 @@ out: return result; } -static int nl80211_send_chandef(struct sk_buff *msg, - const struct cfg80211_chan_def *chandef) +int nl80211_send_chandef(struct sk_buff *msg, const struct cfg80211_chan_def *chandef) { if (WARN_ON(!cfg80211_chandef_valid(chandef))) return -EINVAL; @@ -3788,6 +3812,7 @@ static int nl80211_send_chandef(struct sk_buff *msg, return -ENOBUFS; return 0; } +EXPORT_SYMBOL(nl80211_send_chandef); static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, struct cfg80211_registered_device *rdev, @@ -5417,6 +5442,38 @@ nl80211_parse_mbssid_elems(struct wiphy *wiphy, struct nlattr *attrs) return elems; } +static struct cfg80211_rnr_elems * +nl80211_parse_rnr_elems(struct wiphy *wiphy, struct nlattr *attrs, + struct netlink_ext_ack *extack) +{ + struct nlattr *nl_elems; + struct cfg80211_rnr_elems *elems; + int rem_elems; + u8 i = 0, num_elems = 0; + + nla_for_each_nested(nl_elems, attrs, rem_elems) { + int ret; + + ret = validate_ie_attr(nl_elems, extack); + if (ret) + return ERR_PTR(ret); + + num_elems++; + } + + elems = kzalloc(struct_size(elems, elem, num_elems), GFP_KERNEL); + if (!elems) + return ERR_PTR(-ENOMEM); + + nla_for_each_nested(nl_elems, attrs, rem_elems) { + elems->elem[i].data = nla_data(nl_elems); + elems->elem[i].len = nla_len(nl_elems); + i++; + } + elems->cnt = num_elems; + return elems; +} + static int nl80211_parse_he_bss_color(struct nlattr *attrs, struct cfg80211_he_bss_color *he_bss_color) { @@ -5443,7 +5500,8 @@ static int nl80211_parse_he_bss_color(struct nlattr *attrs, static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev, struct nlattr *attrs[], - struct cfg80211_beacon_data *bcn) + struct cfg80211_beacon_data *bcn, + struct netlink_ext_ack *extack) { bool haveinfo = false; int err; @@ -5540,6 +5598,21 @@ static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev, return PTR_ERR(mbssid); bcn->mbssid_ies = mbssid; + + if (bcn->mbssid_ies && attrs[NL80211_ATTR_EMA_RNR_ELEMS]) { + struct cfg80211_rnr_elems *rnr = + nl80211_parse_rnr_elems(&rdev->wiphy, + attrs[NL80211_ATTR_EMA_RNR_ELEMS], + extack); + + if (IS_ERR(rnr)) + return PTR_ERR(rnr); + + if (rnr && rnr->cnt < bcn->mbssid_ies->cnt) + return -EINVAL; + + bcn->rnr_ies = rnr; + } } return 0; @@ -5858,7 +5931,8 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) if (!params) return -ENOMEM; - err = nl80211_parse_beacon(rdev, info->attrs, ¶ms->beacon); + err = nl80211_parse_beacon(rdev, info->attrs, ¶ms->beacon, + info->extack); if (err) goto out; @@ -6088,6 +6162,11 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) goto out_unlock; } + if (!params->mbssid_config.ema && params->beacon.rnr_ies) { + err = -EINVAL; + goto out_unlock; + } + err = nl80211_calculate_ap_params(params); if (err) goto out_unlock; @@ -6129,6 +6208,7 @@ out: params->mbssid_config.tx_wdev->netdev && params->mbssid_config.tx_wdev->netdev != dev) dev_put(params->mbssid_config.tx_wdev->netdev); + kfree(params->beacon.rnr_ies); kfree(params); return err; @@ -6153,7 +6233,7 @@ static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) if (!wdev->links[link_id].ap.beacon_interval) return -EINVAL; - err = nl80211_parse_beacon(rdev, info->attrs, ¶ms); + err = nl80211_parse_beacon(rdev, info->attrs, ¶ms, info->extack); if (err) goto out; @@ -6163,6 +6243,7 @@ static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) out: kfree(params.mbssid_ies); + kfree(params.rnr_ies); return err; } @@ -8901,7 +8982,7 @@ static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev, struct cfg80211_chan_def *chandef; chandef = wdev_chandef(wdev, link_id); - if (!chandef) + if (!chandef || !chandef->chan) continue; /* @@ -9019,7 +9100,7 @@ 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 +9145,10 @@ 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 +9481,7 @@ 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 +9590,14 @@ 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); @@ -10020,7 +10103,8 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) if (!need_new_beacon) goto skip_beacons; - err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after); + err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after, + info->extack); if (err) goto free; @@ -10037,7 +10121,8 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) if (err) goto free; - err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa); + err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa, + info->extack); if (err) goto free; @@ -10157,6 +10242,8 @@ skip_beacons: free: kfree(params.beacon_after.mbssid_ies); kfree(params.beacon_csa.mbssid_ies); + kfree(params.beacon_after.rnr_ies); + kfree(params.beacon_csa.rnr_ies); kfree(csa_attrs); return err; } @@ -10636,6 +10723,8 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[NL80211_ATTR_MLD_ADDR]) return -EINVAL; req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]); + if (!is_valid_ether_addr(req.ap_mld_addr)) + return -EINVAL; } req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, @@ -10793,8 +10882,7 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, static struct cfg80211_bss *nl80211_assoc_bss(struct cfg80211_registered_device *rdev, const u8 *ssid, int ssid_len, - struct nlattr **attrs, - const u8 **bssid_out) + struct nlattr **attrs) { struct ieee80211_channel *chan; struct cfg80211_bss *bss; @@ -10821,7 +10909,6 @@ static struct cfg80211_bss *nl80211_assoc_bss(struct cfg80211_registered_device if (!bss) return ERR_PTR(-ENOENT); - *bssid_out = bssid; return bss; } @@ -10831,7 +10918,7 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) struct net_device *dev = info->user_ptr[1]; struct cfg80211_assoc_request req = {}; struct nlattr **attrs = NULL; - const u8 *bssid, *ssid; + const u8 *ap_addr, *ssid; unsigned int link_id; int err, ssid_len; @@ -10968,6 +11055,7 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) return -EINVAL; req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]); + ap_addr = req.ap_mld_addr; attrs = kzalloc(attrsize, GFP_KERNEL); if (!attrs) @@ -10993,8 +11081,7 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) goto free; } req.links[link_id].bss = - nl80211_assoc_bss(rdev, ssid, ssid_len, attrs, - &bssid); + nl80211_assoc_bss(rdev, ssid, ssid_len, attrs); if (IS_ERR(req.links[link_id].bss)) { err = PTR_ERR(req.links[link_id].bss); req.links[link_id].bss = NULL; @@ -11045,10 +11132,10 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) if (req.link_id >= 0) return -EINVAL; - req.bss = nl80211_assoc_bss(rdev, ssid, ssid_len, info->attrs, - &bssid); + req.bss = nl80211_assoc_bss(rdev, ssid, ssid_len, info->attrs); if (IS_ERR(req.bss)) return PTR_ERR(req.bss); + ap_addr = req.bss->bssid; } err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); @@ -11061,7 +11148,7 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid; memcpy(dev->ieee80211_ptr->disconnect_bssid, - bssid, ETH_ALEN); + ap_addr, ETH_ALEN); } wdev_unlock(dev->ieee80211_ptr); @@ -15872,7 +15959,8 @@ static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info) params.count = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT]); params.color = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR]); - err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_next); + err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_next, + info->extack); if (err) return err; @@ -15886,7 +15974,8 @@ static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info) if (err) goto out; - err = nl80211_parse_beacon(rdev, tb, ¶ms.beacon_color_change); + err = nl80211_parse_beacon(rdev, tb, ¶ms.beacon_color_change, + info->extack); if (err) goto out; @@ -15942,6 +16031,8 @@ static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info) out: kfree(params.beacon_next.mbssid_ies); kfree(params.beacon_color_change.mbssid_ies); + kfree(params.beacon_next.rnr_ies); + kfree(params.beacon_color_change.rnr_ies); kfree(tb); return err; } @@ -16162,6 +16253,29 @@ 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 +17450,12 @@ 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 +18837,9 @@ 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 +18871,8 @@ 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 +18891,14 @@ 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; } |