diff options
| -rw-r--r-- | drivers/net/wireless/quantenna/qtnfmac/cfg80211.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c index 78e8968ab3c7..91830fd41508 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c +++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c @@ -81,6 +81,41 @@ qtnf_mgmt_stypes[NUM_NL80211_IFTYPES] = { }; static int +qtnf_validate_iface_combinations(struct wiphy *wiphy, + struct qtnf_vif *change_vif, + enum nl80211_iftype new_type) +{ + struct qtnf_wmac *mac; + struct qtnf_vif *vif; + int i; + int ret = 0; + struct iface_combination_params params = { + .num_different_channels = 1, + }; + + mac = wiphy_priv(wiphy); + if (!mac) + return -EFAULT; + + for (i = 0; i < QTNF_MAX_INTF; i++) { + vif = &mac->iflist[i]; + if (vif->wdev.iftype != NL80211_IFTYPE_UNSPECIFIED) + params.iftype_num[vif->wdev.iftype]++; + } + + if (change_vif) { + params.iftype_num[new_type]++; + params.iftype_num[change_vif->wdev.iftype]--; + } else { + params.iftype_num[new_type]++; + } + + ret = cfg80211_check_combinations(wiphy, ¶ms); + + return ret; +} + +static int qtnf_change_virtual_intf(struct wiphy *wiphy, struct net_device *dev, enum nl80211_iftype type, @@ -90,6 +125,13 @@ qtnf_change_virtual_intf(struct wiphy *wiphy, u8 *mac_addr; int ret; + ret = qtnf_validate_iface_combinations(wiphy, vif, type); + if (ret) { + pr_err("VIF%u.%u combination check: failed to set type %d\n", + vif->mac->macid, vif->vifid, type); + return ret; + } + if (params) mac_addr = params->macaddr; else @@ -150,12 +192,20 @@ static struct wireless_dev *qtnf_add_virtual_intf(struct wiphy *wiphy, struct qtnf_wmac *mac; struct qtnf_vif *vif; u8 *mac_addr = NULL; + int ret; mac = wiphy_priv(wiphy); if (!mac) return ERR_PTR(-EFAULT); + ret = qtnf_validate_iface_combinations(wiphy, NULL, type); + if (ret) { + pr_err("MAC%u invalid combination: failed to add type %d\n", + mac->macid, type); + return ERR_PTR(ret); + } + switch (type) { case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_AP: |