diff options
Diffstat (limited to 'net/wireless/core.c')
| -rw-r--r-- | net/wireless/core.c | 66 |
1 files changed, 56 insertions, 10 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index 74ca18833df1..afbdc549fb4a 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -603,16 +603,20 @@ use_default_name: } EXPORT_SYMBOL(wiphy_new_nm); -static int wiphy_verify_combinations(struct wiphy *wiphy) +static +int wiphy_verify_iface_combinations(struct wiphy *wiphy, + const struct ieee80211_iface_combination *iface_comb, + int n_iface_comb, + bool combined_radio) { const struct ieee80211_iface_combination *c; int i, j; - for (i = 0; i < wiphy->n_iface_combinations; i++) { + for (i = 0; i < n_iface_comb; i++) { u32 cnt = 0; u16 all_iftypes = 0; - c = &wiphy->iface_combinations[i]; + c = &iface_comb[i]; /* * Combinations with just one interface aren't real, @@ -625,9 +629,13 @@ static int wiphy_verify_combinations(struct wiphy *wiphy) if (WARN_ON(!c->num_different_channels)) return -EINVAL; - /* DFS only works on one channel. */ - if (WARN_ON(c->radar_detect_widths && - (c->num_different_channels > 1))) + /* DFS only works on one channel. Avoid this check + * for multi-radio global combination, since it hold + * the capabilities of all radio combinations. + */ + if (!combined_radio && + WARN_ON(c->radar_detect_widths && + c->num_different_channels > 1)) return -EINVAL; if (WARN_ON(!c->n_limits)) @@ -648,13 +656,21 @@ static int wiphy_verify_combinations(struct wiphy *wiphy) if (WARN_ON(wiphy->software_iftypes & types)) return -EINVAL; - /* Only a single P2P_DEVICE can be allowed */ - if (WARN_ON(types & BIT(NL80211_IFTYPE_P2P_DEVICE) && + /* Only a single P2P_DEVICE can be allowed, avoid this + * check for multi-radio global combination, since it + * hold the capabilities of all radio combinations. + */ + if (!combined_radio && + WARN_ON(types & BIT(NL80211_IFTYPE_P2P_DEVICE) && c->limits[j].max > 1)) return -EINVAL; - /* Only a single NAN can be allowed */ - if (WARN_ON(types & BIT(NL80211_IFTYPE_NAN) && + /* Only a single NAN can be allowed, avoid this + * check for multi-radio global combination, since it + * hold the capabilities of all radio combinations. + */ + if (!combined_radio && + WARN_ON(types & BIT(NL80211_IFTYPE_NAN) && c->limits[j].max > 1)) return -EINVAL; @@ -693,6 +709,34 @@ static int wiphy_verify_combinations(struct wiphy *wiphy) return 0; } +static int wiphy_verify_combinations(struct wiphy *wiphy) +{ + int i, ret; + bool combined_radio = false; + + if (wiphy->n_radio) { + for (i = 0; i < wiphy->n_radio; i++) { + const struct wiphy_radio *radio = &wiphy->radio[i]; + + ret = wiphy_verify_iface_combinations(wiphy, + radio->iface_combinations, + radio->n_iface_combinations, + false); + if (ret) + return ret; + } + + combined_radio = true; + } + + ret = wiphy_verify_iface_combinations(wiphy, + wiphy->iface_combinations, + wiphy->n_iface_combinations, + combined_radio); + + return ret; +} + int wiphy_register(struct wiphy *wiphy) { struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); @@ -1387,6 +1431,8 @@ void cfg80211_init_wdev(struct wireless_dev *wdev) /* allow mac80211 to determine the timeout */ wdev->ps_timeout = -1; + wdev->radio_mask = BIT(wdev->wiphy->n_radio) - 1; + if ((wdev->iftype == NL80211_IFTYPE_STATION || wdev->iftype == NL80211_IFTYPE_P2P_CLIENT || wdev->iftype == NL80211_IFTYPE_ADHOC) && !wdev->use_4addr) |