Return-path: Received: from na3sys009aog123.obsmtp.com ([74.125.149.149]:34276 "EHLO na3sys009aog123.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752464Ab2FROxe (ORCPT ); Mon, 18 Jun 2012 10:53:34 -0400 Received: by obcni5 with SMTP id ni5so9074101obc.41 for ; Mon, 18 Jun 2012 07:53:30 -0700 (PDT) From: Victor Goldenshtein To: Cc: , , , , , , , , , , , , , Subject: [PATCH 7/7] nl80211: add start radar detection command/event Date: Mon, 18 Jun 2012 17:49:46 +0300 Message-Id: <1340030986-29118-8-git-send-email-victorg@ti.com> (sfid-20120618_165337_467896_DF5EB0C0) In-Reply-To: <1340030986-29118-1-git-send-email-victorg@ti.com> References: <1340030986-29118-1-git-send-email-victorg@ti.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Add command to trigger radar detection in the driver/HW. Once radar detection has started, the driver/device shall continuously monitor the Operating Channel (In-Service Monitoring) to ensure that there is no radar interferences on that channel. Process radar detection event in do_process_drv_event(). Signed-hostap: Victor Goldenshtein --- src/drivers/driver_nl80211.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 files changed, 38 insertions(+), 0 deletions(-) diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c index 7e8b800..74d4310 100644 --- a/src/drivers/driver_nl80211.c +++ b/src/drivers/driver_nl80211.c @@ -2174,6 +2174,16 @@ static void do_process_drv_event(struct wpa_driver_nl80211_data *drv, wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_SWITCH_COMPLETE, &data); break; + case NL80211_CMD_RADAR_DETECT: + os_memset(&data, 0, sizeof(data)); + if (tb[NL80211_ATTR_WIPHY_FREQ]) { + data.radar_detected.freq = + nla_get_u16(tb[NL80211_ATTR_WIPHY_FREQ]); + } + data.radar_detected.status = TRUE; + wpa_printf(MSG_DEBUG, "nl80211: Radar detected event"); + wpa_supplicant_event(drv->ctx, EVENT_RADAR_DETECTED, &data); + break; default: wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event " "(cmd=%d)", cmd); @@ -8858,6 +8868,33 @@ nla_put_failure: } +static int nl80211_start_radar_detection(void *priv, int freq) +{ + struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; + struct nl_msg *msg; + int ret; + + wpa_printf(MSG_DEBUG, "nl80211: Start radar detection"); + + msg = nlmsg_alloc(); + if (!msg) + return -1; + + nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_RADAR_DETECT); + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); + NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); + + ret = send_and_recv_msgs(drv, msg, NULL, NULL); + if (ret == 0) + return 0; + wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: " + "%d (%s)", ret, strerror(-ret)); +nla_put_failure: + return -1; +} + + #ifdef CONFIG_TDLS static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code, @@ -9154,6 +9191,7 @@ const struct wpa_driver_ops wpa_driver_nl80211_ops = { .set_p2p_powersave = nl80211_set_p2p_powersave, .enable_tx = nl80211_enable_dfs_tx, .hapd_channel_switch = nl80211_ap_channel_switch, + .start_radar_detection = nl80211_start_radar_detection, #ifdef CONFIG_TDLS .send_tdls_mgmt = nl80211_send_tdls_mgmt, .tdls_oper = nl80211_tdls_oper, -- 1.7.5.4