diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/cfg80211.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath6kl/cfg80211.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index 1272508513f..06f12da554e 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -1451,9 +1451,38 @@ static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy, struct vif_params *params) { struct ath6kl_vif *vif = netdev_priv(ndev); + int i; ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type); + /* + * Don't bring up p2p on an interface which is not initialized + * for p2p operation where fw does not have capability to switch + * dynamically between non-p2p and p2p type interface. + */ + if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX, + vif->ar->fw_capabilities) && + (type == NL80211_IFTYPE_P2P_CLIENT || + type == NL80211_IFTYPE_P2P_GO)) { + if (vif->ar->vif_max == 1) { + if (vif->fw_vif_idx != 0) + return -EINVAL; + else + goto set_iface_type; + } + + for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) { + if (i == vif->fw_vif_idx) + break; + } + + if (i == vif->ar->vif_max) { + ath6kl_err("Invalid interface to bring up P2P\n"); + return -EINVAL; + } + } + +set_iface_type: switch (type) { case NL80211_IFTYPE_STATION: vif->next_mode = INFRA_NETWORK; |