diff options
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index a10484da60c0..b8441e60b0f6 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3569,13 +3569,12 @@ out: return 0; } -static int validate_beacon_tx_rate(struct cfg80211_ap_settings *params) +static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev, + enum nl80211_band band, + struct cfg80211_bitrate_mask *beacon_rate) { - u32 rate, count_ht, count_vht, i; - enum nl80211_band band; - - band = params->chandef.chan->band; - rate = params->beacon_rate.control[band].legacy; + u32 count_ht, count_vht, i; + u32 rate = beacon_rate->control[band].legacy; /* Allow only one rate */ if (hweight32(rate) > 1) @@ -3583,9 +3582,9 @@ static int validate_beacon_tx_rate(struct cfg80211_ap_settings *params) count_ht = 0; for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { - if (hweight8(params->beacon_rate.control[band].ht_mcs[i]) > 1) { + if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) { return -EINVAL; - } else if (params->beacon_rate.control[band].ht_mcs[i]) { + } else if (beacon_rate->control[band].ht_mcs[i]) { count_ht++; if (count_ht > 1) return -EINVAL; @@ -3596,9 +3595,9 @@ static int validate_beacon_tx_rate(struct cfg80211_ap_settings *params) count_vht = 0; for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { - if (hweight16(params->beacon_rate.control[band].vht_mcs[i]) > 1) { + if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) { return -EINVAL; - } else if (params->beacon_rate.control[band].vht_mcs[i]) { + } else if (beacon_rate->control[band].vht_mcs[i]) { count_vht++; if (count_vht > 1) return -EINVAL; @@ -3610,6 +3609,19 @@ static int validate_beacon_tx_rate(struct cfg80211_ap_settings *params) if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht)) return -EINVAL; + if (rate && + !wiphy_ext_feature_isset(&rdev->wiphy, + NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) + return -EINVAL; + if (count_ht && + !wiphy_ext_feature_isset(&rdev->wiphy, + NL80211_EXT_FEATURE_BEACON_RATE_HT)) + return -EINVAL; + if (count_vht && + !wiphy_ext_feature_isset(&rdev->wiphy, + NL80211_EXT_FEATURE_BEACON_RATE_VHT)) + return -EINVAL; + return 0; } @@ -3847,7 +3859,8 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) if (err) return err; - err = validate_beacon_tx_rate(¶ms); + err = validate_beacon_tx_rate(rdev, params.chandef.chan->band, + ¶ms.beacon_rate); if (err) return err; } @@ -9406,6 +9419,17 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) return err; } + if (info->attrs[NL80211_ATTR_TX_RATES]) { + err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate); + if (err) + return err; + + err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band, + &setup.beacon_rate); + if (err) + return err; + } + return cfg80211_join_mesh(rdev, dev, &setup, &cfg); } |