diff --git a/src/drivers/driver.h b/src/drivers/driver.h index c8a71fd7c..b07b3a34f 100644 --- a/src/drivers/driver.h +++ b/src/drivers/driver.h @@ -759,6 +759,8 @@ struct wpa_driver_capa { #define WPA_DRIVER_FLAGS_TDLS_SUPPORT 0x00080000 /* Driver requires external TDLS setup/teardown/discovery */ #define WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP 0x00100000 +/* Driver indicates support for Probe Response offloading in AP mode */ +#define WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD 0x00200000 unsigned int flags; int max_scan_ssids; @@ -776,6 +778,20 @@ struct wpa_driver_capa { * supports in AP mode */ unsigned int max_stations; + + /** + * probe_resp_offloads - Bitmap of supported protocols by the driver + * for Probe Response offloading. + */ +/* Driver Probe Response offloading support for WPS ver. 1 */ +#define WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS 0x00000001 +/* Driver Probe Response offloading support for WPS ver. 2 */ +#define WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2 0x00000002 +/* Driver Probe Response offloading support for P2P */ +#define WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P 0x00000004 +/* Driver Probe Response offloading support for IEEE 802.11u (Interworking) */ +#define WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING 0x00000008 + unsigned int probe_resp_offloads; }; diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c index d5d7c1f60..50c4fa56f 100644 --- a/src/drivers/driver_nl80211.c +++ b/src/drivers/driver_nl80211.c @@ -2268,6 +2268,23 @@ struct wiphy_info_data { }; +static unsigned int probe_resp_offload_support(int supp_protocols) +{ + unsigned int prot = 0; + + if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS) + prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS; + if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2) + prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2; + if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P) + prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P; + if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U) + prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING; + + return prot; +} + + static int wiphy_info_handler(struct nl_msg *msg, void *arg) { struct nlattr *tb[NL80211_ATTR_MAX + 1]; @@ -2459,6 +2476,16 @@ broken_combination: info->data_tx_status = 1; } + if (tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]) { + int protocols = + nla_get_u32(tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]); + wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response " + "offload in AP mode"); + capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD; + capa->probe_resp_offloads = + probe_resp_offload_support(protocols); + } + return NL_SKIP; }