Return-path: Received: from na3sys009aog123.obsmtp.com ([74.125.149.149]:38749 "EHLO na3sys009aog123.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752211Ab2AZMmz (ORCPT ); Thu, 26 Jan 2012 07:42:55 -0500 Received: by mail-gx0-f177.google.com with SMTP id h4so242386ggn.22 for ; Thu, 26 Jan 2012 04:42:54 -0800 (PST) From: Victor Goldenshtein To: Cc: , , , , , , , , , , , , Subject: [RFC 7/7] nl80211: add start radar detection command/event Date: Thu, 26 Jan 2012 14:41:29 +0200 Message-Id: <1327581689-22090-8-git-send-email-victorg@ti.com> (sfid-20120126_134305_752566_FB6F22CB) In-Reply-To: <1327581689-22090-1-git-send-email-victorg@ti.com> References: <1327581689-22090-1-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-off-by: Victor Goldenshtein --- src/drivers/driver_nl80211.c | 37 +++++++++++++++++++++++++++++++++++++ 1 files changed, 37 insertions(+), 0 deletions(-) diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c index 744e736..2d52c72 100644 --- a/src/drivers/driver_nl80211.c +++ b/src/drivers/driver_nl80211.c @@ -2145,6 +2145,16 @@ 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_DFS_RADAR_DETECTION: + 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); @@ -8706,6 +8716,32 @@ nla_put_failure: } +static int wpa_driver_nl80211_start_radar_detection(void *priv) +{ + 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_DFS_RADAR_DETECTION); + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); + + 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, @@ -9001,6 +9037,7 @@ const struct wpa_driver_ops wpa_driver_nl80211_ops = { .set_p2p_powersave = nl80211_set_p2p_powersave, .enable_tx = wpa_driver_nl80211_enable_dfs_tx, .channel_switch = wpa_driver_nl80211_channel_switch, + .start_radar_detection = wpa_driver_nl80211_start_radar_detection, #ifdef CONFIG_TDLS .send_tdls_mgmt = nl80211_send_tdls_mgmt, .tdls_oper = nl80211_tdls_oper, -- 1.7.5.4