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GET /api/patches/2219102/?format=api
{ "id": 2219102, "url": "http://patchwork.ozlabs.org/api/patches/2219102/?format=api", "web_url": "http://patchwork.ozlabs.org/project/hostap/patch/20260402122428.4058436-20-peddolla.reddy@oss.qualcomm.com/", "project": { "id": 22, "url": "http://patchwork.ozlabs.org/api/projects/22/?format=api", "name": "HostAP Development", "link_name": "hostap", "list_id": "hostap.lists.infradead.org", "list_email": "hostap@lists.infradead.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260402122428.4058436-20-peddolla.reddy@oss.qualcomm.com>", "list_archive_url": null, "date": "2026-04-02T12:24:24", "name": "[RFC,v2,19/23] nl80211: Add peer measurement support for proximity ranging", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "fb635ad3b629fad5301ec92c491a6e6e17449773", "submitter": { "id": 93026, "url": "http://patchwork.ozlabs.org/api/people/93026/?format=api", "name": "Peddolla Harshavardhan Reddy", "email": "peddolla.reddy@oss.qualcomm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/hostap/patch/20260402122428.4058436-20-peddolla.reddy@oss.qualcomm.com/mbox/", "series": [ { "id": 498475, "url": "http://patchwork.ozlabs.org/api/series/498475/?format=api", "web_url": "http://patchwork.ozlabs.org/project/hostap/list/?series=498475", "date": "2026-04-02T12:24:08", "name": "PR: Add nl80211 support and ranging for Proximity Detection", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/498475/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2219102/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2219102/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <hostap-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=zwFs0DYq;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256\n header.s=casper.20170209 header.b=i1tipXka;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256\n header.s=qcppdkim1 header.b=Dv5SGooF;\n\tdkim=neutral header.d=oss.qualcomm.com header.i=@oss.qualcomm.com\n header.a=rsa-sha256 header.s=google header.b=fc970K/e;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; 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See\n https://knowledge.validity.com/hc/en-us/articles/20961730681243\n for more information.\n [205.220.180.131 listed in\n bl.score.senderscore.com]\n 1.0 RCVD_IN_VALIDITY_SAFE_BLOCKED RBL: ADMINISTRATOR NOTICE: The query to\n Validity was blocked. See\n https://knowledge.validity.com/hc/en-us/articles/20961730681243\n for more information.\n [205.220.180.131 listed in\n sa-accredit.habeas.com]\n -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low\n trust\n [205.220.180.131 listed in list.dnswl.org]\n 1.0 RCVD_IN_VALIDITY_CERTIFIED_BLOCKED RBL: ADMINISTRATOR NOTICE: The\n query to Validity was blocked. See\n https://knowledge.validity.com/hc/en-us/articles/20961730681243\n for more information.\n [205.220.180.131 listed in\n sa-trusted.bondedsender.org]\n -0.0 SPF_PASS SPF: sender matches SPF record\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\n -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from\n envelope-from domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n author's\n domain\n 0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n not necessarily valid\n -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]", "X-BeenThere": "hostap@lists.infradead.org", "X-Mailman-Version": "2.1.34", "Precedence": "list", "List-Id": "<hostap.lists.infradead.org>", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/hostap>,\n <mailto:hostap-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/hostap/>", "List-Post": "<mailto:hostap@lists.infradead.org>", "List-Help": "<mailto:hostap-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/hostap>,\n <mailto:hostap-request@lists.infradead.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"Hostap\" <hostap-bounces@lists.infradead.org>", "Errors-To": "hostap-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "Introduce support for triggering FTM-based proximity ranging\nvia the NL80211 peer measurement interface after PASN auth.\n\nAdd nl80211_start_peer_measurement() to build and send\nNL80211_CMD_PEER_MEASUREMENT_START with nested attributes for\ntimeout handling, proximity detection, preamble selection, and\nFTM parameter structure. Channel configuration includes proper\ncenter frequency calculation and mapping for EDCA and NTB.\n\nSigned-off-by: Peddolla Harshavardhan Reddy <peddolla.reddy@oss.qualcomm.com>\n---\n src/common/proximity_ranging.h | 7 +\n src/drivers/driver.h | 20 +++\n src/drivers/driver_nl80211.c | 302 +++++++++++++++++++++++++++++++++\n wpa_supplicant/driver_i.h | 16 ++\n wpa_supplicant/pr_supplicant.c | 213 ++++++++++++++++++++++-\n 5 files changed, 557 insertions(+), 1 deletion(-)", "diff": "diff --git a/src/common/proximity_ranging.h b/src/common/proximity_ranging.h\nindex cd12aaa50..6f597410f 100644\n--- a/src/common/proximity_ranging.h\n+++ b/src/common/proximity_ranging.h\n@@ -273,6 +273,7 @@ struct pr_pasn_ranging_params {\n \tu8 pr_pasn_status;\n \tu8 auth_mode;\n \tint freq;\n+\tu32 ranging_timeout;\n \tu8 src_addr[ETH_ALEN];\n \tenum pr_pasn_role pasn_role;\n \n@@ -353,6 +354,12 @@ struct pr_pasn_ranging_params {\n \tu32 continuous_ranging_session_time;\n \n \tint forced_pr_freq;\n+\tu8 ranging_op_class;\n+\tu16 channel_width; /* channel width in MHz (20/40/80/160/320) */\n+\tu8 format_bw;\n+\tu32 center_freq1;\n+\tu32 center_freq2;\n+\tu64 cookie;\n };\n \n struct pr_dev_ik {\ndiff --git a/src/drivers/driver.h b/src/drivers/driver.h\nindex 348634fad..c250bdaa9 100644\n--- a/src/drivers/driver.h\n+++ b/src/drivers/driver.h\n@@ -30,6 +30,7 @@\n \n struct nan_subscribe_params;\n struct nan_publish_params;\n+struct pr_pasn_ranging_params;\n \n #define HOSTAPD_CHAN_DISABLED 0x00000001\n #define HOSTAPD_CHAN_NO_IR 0x00000002\n@@ -5660,6 +5661,25 @@ struct wpa_driver_ops {\n \tstruct hostapd_multi_hw_info *\n \t(*get_multi_hw_info)(void *priv, unsigned int *num_multi_hws);\n \n+#ifdef CONFIG_PR\n+\t/**\n+\t * start_peer_measurement - Start peer measurement (FTM ranging)\n+\t * @priv: Private driver interface data\n+\t * @peer_addr: Peer MAC address\n+\t * @freq: Operating frequency in MHz\n+\t * @channel: Operating channel number\n+\t * @bw: Channel bandwidth in MHz\n+\t * @params: Ranging parameters (EDCA/NTB specific)\n+\t * Returns: 0 on success, -1 on failure\n+\t *\n+\t * This function triggers peer measurement (FTM ranging) after\n+\t * successful PASN authentication for proximity ranging.\n+\t */\n+\tint (*start_peer_measurement)(void *priv, const u8 *peer_addr,\n+\t\t\t\t int freq, u8 channel, int bw,\n+\t\t\t\t struct pr_pasn_ranging_params *params);\n+#endif /* CONFIG_PR */\n+\n #ifdef CONFIG_NAN\n \t/**\n \t * nan_start - Start NAN operation\ndiff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c\nindex 2543bc187..370701aa5 100644\n--- a/src/drivers/driver_nl80211.c\n+++ b/src/drivers/driver_nl80211.c\n@@ -41,6 +41,7 @@\n #include \"radiotap_iter.h\"\n #include \"rfkill.h\"\n #include \"driver_nl80211.h\"\n+#include \"common/proximity_ranging.h\"\n \n \n #ifndef NETLINK_CAP_ACK\n@@ -9110,6 +9111,306 @@ static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,\n \t\t\t\t\t 0, NULL, 0, 0, link_id);\n }\n \n+#ifdef CONFIG_PR\n+\n+static u8 get_pr_preamble(u8 ranging_type, u8 format_bw)\n+{\n+\t/* Determine preamble based on ranging type and format_bw */\n+\tif (ranging_type & PR_EDCA_BASED_RANGING) {\n+\t\t/* EDCA format_bw maps to different preambles */\n+\t\tswitch (format_bw) {\n+\t\tcase EDCA_FORMAT_AND_BW_HT40:\n+\t\t\treturn NL80211_PREAMBLE_HT;\n+\t\tcase EDCA_FORMAT_AND_BW_VHT20:\n+\t\tcase EDCA_FORMAT_AND_BW_VHT40:\n+\t\tcase EDCA_FORMAT_AND_BW_VHT80:\n+\t\tcase EDCA_FORMAT_AND_BW_VHT80P80:\n+\t\tcase EDCA_FORMAT_AND_BW_VHT160_DUAL_LO:\n+\t\tcase EDCA_FORMAT_AND_BW_VHT160_SINGLE_LO:\n+\t\t\treturn NL80211_PREAMBLE_VHT;\n+\t\tdefault:\n+\t\t\treturn NL80211_PREAMBLE_VHT;\n+\t\t}\n+\t} else if (ranging_type & (PR_NTB_SECURE_LTF_BASED_RANGING | PR_NTB_OPEN_BASED_RANGING)) {\n+\t\t/* NTB format_bw all use HE preamble */\n+\t\treturn NL80211_PREAMBLE_HE;\n+\t}\n+\n+\t/* Default fallback */\n+\treturn NL80211_PREAMBLE_VHT;\n+}\n+\n+\n+/**\n+ * nl80211_start_peer_measurement - Start peer measurement (FTM ranging)\n+ * @priv: Private driver interface data\n+ * @peer_addr: Peer MAC address\n+ * @freq: Operating frequency in MHz\n+ * @channel: Operating channel number\n+ * @bw: Channel bandwidth in MHz\n+ * @params: Ranging parameters (EDCA/NTB specific)\n+ * Returns: 0 on success, -1 on failure\n+ *\n+ * This function constructs and sends NL80211_CMD_PEER_MEASUREMENT_START\n+ * command to trigger FTM ranging after successful PASN authentication.\n+ */\n+static int nl80211_start_peer_measurement(void *priv, const u8 *peer_addr,\n+\t\t\t\t\t int freq, u8 channel, int bw,\n+\t\t\t\t\t struct pr_pasn_ranging_params *params)\n+{\n+\tstruct i802_bss *bss = priv;\n+\tstruct i802_bss *pd_bss;\n+\tstruct wpa_driver_nl80211_data *drv = bss->drv;\n+\tstruct nl_msg *msg;\n+\tstruct nlattr *pmsr_attr, *peers_attr, *peer_attr, *chan_attr, *req_attr, *ftm_attr;\n+\tstruct nlattr *data_attr;\n+\tint ret = -1, center_freq1 = 0, center_freq2 = 0;\n+\tstruct nl80211_ack_ext_arg ack_arg;\n+\tenum nl80211_chan_width width;\n+\tu32 preamble;\n+\tu64 cookie;\n+\n+\tif (!peer_addr || !params) {\n+\t\twpa_printf(MSG_ERROR, \"nl80211: Invalid parameters for peer measurement\");\n+\t\treturn -1;\n+\t}\n+\n+\tpd_bss = nl80211_get_pd_bss_by_addr(drv, params->src_addr);\n+\tif (pd_bss) {\n+\t\twpa_printf(MSG_DEBUG,\n+\t\t\t \"nl80211: Peer measurement routed via PD wdev addr=\" MACSTR,\n+\t\t\t MAC2STR(pd_bss->addr));\n+\t\tbss = pd_bss;\n+\t}\n+\n+\twpa_printf(MSG_DEBUG,\n+\t\t \"nl80211: Start peer measurement for \" MACSTR \" freq=%d ch=%u bw=%d\",\n+\t\t MAC2STR(peer_addr), freq, channel, bw);\n+\n+\t/* Use center frequencies from params (calculated in wpas_pr_trigger_ranging) */\n+\tcenter_freq1 = params->center_freq1;\n+\tcenter_freq2 = params->center_freq2;\n+\n+\t/* channel_width is in MHz */\n+\tswitch (params->channel_width) {\n+\tcase 20:\n+\t\twidth = NL80211_CHAN_WIDTH_20;\n+\t\tbreak;\n+\tcase 40:\n+\t\twidth = NL80211_CHAN_WIDTH_40;\n+\t\tbreak;\n+\tcase 80:\n+\t\twidth = NL80211_CHAN_WIDTH_80;\n+\t\tbreak;\n+\tcase 160:\n+\t\twidth = NL80211_CHAN_WIDTH_160;\n+\t\tbreak;\n+\tcase 320:\n+\t\twidth = NL80211_CHAN_WIDTH_320;\n+\t\tbreak;\n+\tdefault:\n+\t\twpa_printf(MSG_ERROR, \"nl80211: Unsupported channel width %u MHz\",\n+\t\t\t params->channel_width);\n+\t\treturn -1;\n+\t}\n+\n+\twpa_printf(MSG_DEBUG,\n+\t\t \"nl80211: Using center_freq1=%u, center_freq2=%u, width=%d\",\n+\t\t center_freq1, center_freq2, width);\n+\t/*\n+\t * PD interfaces are non-netdev (ifindex=0); use nl80211_cmd_msg()\n+\t * which emits NL80211_ATTR_WDEV instead of NL80211_ATTR_IFINDEX.\n+\t */\n+\tmsg = nl80211_cmd_msg(bss, 0, NL80211_CMD_PEER_MEASUREMENT_START);\n+\tif (!msg)\n+\t\treturn -1;\n+\n+\t/* Add timeout if specified */\n+\tif (params->ranging_timeout > 0) {\n+\t\tif (nla_put_u32(msg, NL80211_ATTR_TIMEOUT, params->ranging_timeout))\n+\t\t\tgoto fail;\n+\t\twpa_printf(MSG_DEBUG, \"nl80211: Added timeout %u ms\", params->ranging_timeout);\n+\t}\n+\n+\t/* Add peer measurements attribute */\n+\tpmsr_attr = nla_nest_start(msg, NL80211_ATTR_PEER_MEASUREMENTS);\n+\tif (!pmsr_attr)\n+\t\tgoto fail;\n+\n+\t/* Add peers array */\n+\tpeers_attr = nla_nest_start(msg, NL80211_PMSR_ATTR_PEERS);\n+\tif (!peers_attr)\n+\t\tgoto fail;\n+\n+\t/* Add single peer */\n+\tpeer_attr = nla_nest_start(msg, 0);\n+\tif (!peer_attr)\n+\t\tgoto fail;\n+\n+\t/* Peer MAC address */\n+\tif (nla_put(msg, NL80211_PMSR_PEER_ATTR_ADDR, ETH_ALEN, peer_addr))\n+\t\tgoto fail;\n+\n+\t/* Add proximity detection request flag */\n+\tif (nla_put_flag(msg, NL80211_PMSR_PEER_ATTR_PD_REQUEST))\n+\t\tgoto fail;\n+\n+\t/* Channel information */\n+\tchan_attr = nla_nest_start(msg, NL80211_PMSR_PEER_ATTR_CHAN);\n+\tif (!chan_attr)\n+\t\tgoto fail;\n+\n+\tif (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||\n+\t nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, width) ||\n+\t nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, center_freq1))\n+\t\tgoto fail;\n+\n+\tif (center_freq2 && nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, center_freq2))\n+\t\tgoto fail;\n+\n+\tnla_nest_end(msg, chan_attr);\n+\n+\n+\t/* Request attributes */\n+\treq_attr = nla_nest_start(msg, NL80211_PMSR_PEER_ATTR_REQ);\n+\tif (!req_attr)\n+\t\tgoto fail;\n+\n+\t/* Add DATA attribute as required by NL80211 specification */\n+\tdata_attr = nla_nest_start(msg, NL80211_PMSR_REQ_ATTR_DATA);\n+\n+\tif (!data_attr)\n+\t\tgoto fail;\n+\n+\t/* FTM request */\n+\tftm_attr = nla_nest_start(msg, NL80211_PMSR_TYPE_FTM);\n+\tif (!ftm_attr)\n+\t\tgoto fail;\n+\n+\tpreamble = get_pr_preamble(params->ranging_type, params->format_bw);\n+\tif (nla_put_u32(msg, NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE, preamble))\n+\t\tgoto fail;\n+\n+\t/* Map ranging parameters to NL80211 attributes based on protocol type */\n+\tif (params->ranging_role == PR_ISTA_SUPPORT &&\n+\t (params->ranging_type & PR_EDCA_BASED_RANGING)) {\n+\t\twpa_printf(MSG_DEBUG, \"nl80211: Adding EDCA ranging parameters\");\n+\n+\t\tif (nla_put_flag(msg, NL80211_PMSR_FTM_REQ_ATTR_ASAP) ||\n+\t\t nla_put_u16(msg, NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD,\n+\t\t\t\tparams->burst_period) ||\n+\t\t nla_put_u8(msg, NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP,\n+\t\t\t params->num_bursts_exp) ||\n+\t\t nla_put_u8(msg, NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST,\n+\t\t\t params->ftms_per_burst) ||\n+\t\t nla_put_u8(msg, NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES,\n+\t\t\t params->ftmr_retries) ||\n+\t\t nla_put_u8(msg, NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION,\n+\t\t\t params->burst_duration))\n+\t\t\tgoto fail;\n+\t}\n+\n+\tif (params->ranging_type & (PR_NTB_SECURE_LTF_BASED_RANGING | PR_NTB_OPEN_BASED_RANGING)) {\n+\t\twpa_printf(MSG_DEBUG, \"nl80211: Adding NTB ranging parameters\");\n+\n+\t\t/* Set non-trigger based flag */\n+\t\tif (nla_put_flag(msg, NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED))\n+\t\t\tgoto fail;\n+\n+\t\tif (params->ranging_role == PR_ISTA_SUPPORT &&\n+\t\t (nla_put_u32(msg, NL80211_PMSR_FTM_REQ_ATTR_MIN_TIME_BETWEEN_MEASUREMENTS,\n+\t\t\t\tparams->min_time_between_measurements) ||\n+\t\t nla_put_u32(msg, NL80211_PMSR_FTM_REQ_ATTR_MAX_TIME_BETWEEN_MEASUREMENTS,\n+\t\t\t\tparams->max_time_between_measurements) ||\n+\t\t nla_put_u32(msg, NL80211_PMSR_FTM_REQ_ATTR_AW_DURATION,\n+\t\t\t\tparams->availability_window) ||\n+\t\t nla_put_u32(msg, NL80211_PMSR_FTM_REQ_ATTR_NOMINAL_TIME,\n+\t\t\t\tparams->nominal_time) ||\n+\t\t nla_put_u32(msg, NL80211_PMSR_FTM_REQ_ATTR_MEAS_PER_AW,\n+\t\t\t\tparams->measurements_per_aw)))\n+\t\t\tgoto fail;\n+\t}\n+\n+\t/* Location requests */\n+\tif (params->request_lci &&\n+\t nla_put_flag(msg, NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI))\n+\t\tgoto fail;\n+\n+\tif (params->request_civicloc &&\n+\t nla_put_flag(msg, NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC))\n+\t\tgoto fail;\n+\n+\t/* RSTA mode if responder role */\n+\tif (params->ranging_role == PR_RSTA_SUPPORT &&\n+\t nla_put_flag(msg, NL80211_PMSR_FTM_REQ_ATTR_RSTA))\n+\t\tgoto fail;\n+\n+\t/*\n+\t * LMR feedback: negotiate LMR feedback for NTB ranging so that\n+\t * the RSTA can report its measurement results back to the ISTA.\n+\t * Only valid when NON_TRIGGER_BASED is set.\n+\t */\n+\tif ((params->ranging_type & (PR_NTB_SECURE_LTF_BASED_RANGING |\n+\t\t\t\t PR_NTB_OPEN_BASED_RANGING)) &&\n+\t nla_put_flag(msg, NL80211_PMSR_FTM_REQ_ATTR_LMR_FEEDBACK))\n+\t\tgoto fail;\n+\n+\t/*\n+\t * PD ingress/egress thresholds: only valid when\n+\t * NL80211_PMSR_PEER_ATTR_PD_REQUEST is set (always the case here).\n+\t * Thresholds are in millimeters.\n+\t */\n+\tif (params->ingress_threshold &&\n+\t nla_put_u64(msg, NL80211_PMSR_FTM_REQ_ATTR_INGRESS,\n+\t\t\tparams->ingress_threshold))\n+\t\tgoto fail;\n+\n+\tif (params->egress_threshold &&\n+\t nla_put_u64(msg, NL80211_PMSR_FTM_REQ_ATTR_EGRESS,\n+\t\t\tparams->egress_threshold))\n+\t\tgoto fail;\n+\n+\t/*\n+\t * PD suppress results: suppress ranging results for PD requests.\n+\t */\n+\tif (params->pr_suppress_results &&\n+\t nla_put_flag(msg, NL80211_PMSR_FTM_REQ_ATTR_PD_SUPPRESS_RESULTS))\n+\t\tgoto fail;\n+\n+\tnla_nest_end(msg, ftm_attr);\n+\tnla_nest_end(msg, data_attr);\n+\tnla_nest_end(msg, req_attr);\n+\tnla_nest_end(msg, peer_attr);\n+\tnla_nest_end(msg, peers_attr);\n+\tnla_nest_end(msg, pmsr_attr);\n+\n+\tcookie = 0;\n+\tos_memset(&ack_arg, 0, sizeof(struct nl80211_ack_ext_arg));\n+\tack_arg.ext_data = &cookie;\n+\tret = send_and_recv(drv, drv->global->nl, msg, NULL, NULL,\n+\t\t\t ack_handler_cookie, &ack_arg, NULL);\n+\n+\tif (ret < 0) {\n+\t\twpa_printf(MSG_ERROR,\n+\t\t\t \"nl80211: Peer measurement start failed: ret=%d (%s)\",\n+\t\t\t ret, strerror(-ret));\n+\t} else {\n+\t\twpa_printf(MSG_DEBUG,\n+\t\t\t \"nl80211: Peer measurement started successfully addr=\" MACSTR\n+\t\t\t \" cookie=%llu\", MAC2STR(peer_addr),\n+\t\t\t (unsigned long long) cookie);\n+\t\tparams->cookie = cookie;\n+\t}\n+\n+\treturn ret;\n+\n+fail:\n+\twpa_printf(MSG_ERROR, \"nl80211: Failed to build peer measurement message\");\n+\tnlmsg_free(msg);\n+\treturn -1;\n+}\n+\n+#endif /* CONFIG_PR */\n \n static void dump_ifidx(struct wpa_driver_nl80211_data *drv)\n {\n@@ -15883,5 +16184,6 @@ const struct wpa_driver_ops wpa_driver_nl80211_ops = {\n \t.pd_start = nl80211_pd_start,\n \t.pd_stop = nl80211_pd_stop,\n \t.get_pd_addr = nl80211_get_pd_addr,\n+\t.start_peer_measurement = nl80211_start_peer_measurement,\n #endif /* CONFIG_PR */\n };\ndiff --git a/wpa_supplicant/driver_i.h b/wpa_supplicant/driver_i.h\nindex f2eba74dc..3d1988fd3 100644\n--- a/wpa_supplicant/driver_i.h\n+++ b/wpa_supplicant/driver_i.h\n@@ -758,6 +758,22 @@ wpa_drv_pd_stop(struct wpa_supplicant *wpa_s)\n \n #endif /* CONFIG_PR */\n \n+#ifdef CONFIG_PR\n+\n+static inline int\n+wpa_drv_start_peer_measurement(struct wpa_supplicant *wpa_s, const u8 *peer,\n+\t\t\t int freq, u8 channel, int bw,\n+\t\t\t struct pr_pasn_ranging_params *params)\n+{\n+\tif (!wpa_s->driver->start_peer_measurement)\n+\t\treturn -1;\n+\treturn wpa_s->driver->start_peer_measurement(wpa_s->drv_priv, peer,\n+\t\t\t\t\t\t freq, channel, bw,\n+\t\t\t\t\t\t params);\n+}\n+\n+#endif /* CONFIG_PR */\n+\n static inline int wpa_drv_vendor_cmd(struct wpa_supplicant *wpa_s,\n \t\t\t\t int vendor_id, int subcmd, const u8 *data,\n \t\t\t\t size_t data_len,\ndiff --git a/wpa_supplicant/pr_supplicant.c b/wpa_supplicant/pr_supplicant.c\nindex 3ccc659ee..aec7f9bab 100644\n--- a/wpa_supplicant/pr_supplicant.c\n+++ b/wpa_supplicant/pr_supplicant.c\n@@ -11,6 +11,7 @@\n #include \"utils/common.h\"\n #include \"utils/eloop.h\"\n #include \"common/ieee802_11_defs.h\"\n+#include \"common/ieee802_11_common.h\"\n #include \"common/proximity_ranging.h\"\n #include \"p2p/p2p.h\"\n #include \"wpa_supplicant_i.h\"\n@@ -135,6 +136,107 @@ wpas_pr_ntb_is_valid_op_class(u32 bw_bitmap, u32 preamble_bitmap,\n }\n \n \n+/**\n+ * wpas_pr_op_class_to_chan_params - Derive channel parameters from operating\n+ * class and channel number\n+ * @op_class: IEEE 802.11 operating class\n+ * @op_channel: Primary channel number\n+ * @center_freq1: Output - center frequency segment 0 (MHz)\n+ * @center_freq2: Output - center frequency segment 1 (MHz), 0 if not used\n+ * @width: Output - channel bandwidth\n+ * Returns: 0 on success, -1 on failure\n+ *\n+ * Derives center_freq1 and bandwidth from the operating class and primary\n+ * channel using existing hostap helpers. 2 GHz 40 MHz op_classes are handled\n+ * explicitly because 2.4 GHz channels are 5 MHz apart and the generic\n+ * offset-based formula does not apply. 80+80 MHz op_classes (130, 135) are\n+ * rejected because center_freq2 cannot be determined from the primary channel\n+ * alone.\n+ */\n+static int wpas_pr_op_class_to_chan_params(u8 op_class, u8 op_channel,\n+\t\t\t\t\t u32 *center_freq1,\n+\t\t\t\t\t u32 *center_freq2,\n+\t\t\t\t\t u16 *channel_width)\n+{\n+\tint control_freq, bw, offset = 0;\n+\n+\tif (!center_freq1 || !center_freq2 || !channel_width)\n+\t\treturn -1;\n+\n+\t*center_freq1 = 0;\n+\t*center_freq2 = 0;\n+\t*channel_width = 0;\n+\n+\t/* 80+80 MHz: center_freq2 is unknown from primary channel alone */\n+\tif (op_class == 130 || op_class == 135) {\n+\t\twpa_printf(MSG_DEBUG,\n+\t\t\t \"PR: op_class %u (80+80 MHz) not supported, \"\n+\t\t\t \"center_freq2 cannot be determined\", op_class);\n+\t\treturn -1;\n+\t}\n+\n+\tcontrol_freq = ieee80211_chan_to_freq(NULL, op_class, op_channel);\n+\tif (control_freq < 0) {\n+\t\twpa_printf(MSG_DEBUG, \"PR: Invalid op_class=%u channel=%u\",\n+\t\t\t op_class, op_channel);\n+\t\treturn -1;\n+\t}\n+\n+\tbw = op_class_to_bandwidth(op_class);\n+\n+\t/*\n+\t * 2 GHz 40 MHz: channels are 5 MHz apart so the generic offset\n+\t * formula does not apply. Handle upper (op_class 83) and lower\n+\t * (op_class 84) secondary channel directions explicitly.\n+\t */\n+\tif (op_class == 83) {\n+\t\t*center_freq1 = control_freq + 10;\n+\t\t*channel_width = 40;\n+\t\treturn 0;\n+\t}\n+\tif (op_class == 84) {\n+\t\t*center_freq1 = control_freq - 10;\n+\t\t*channel_width = 40;\n+\t\treturn 0;\n+\t}\n+\n+\tif (bw == 20) {\n+\t\t*center_freq1 = control_freq;\n+\t\t*channel_width = 20;\n+\t\treturn 0;\n+\t}\n+\n+\t/*\n+\t * For 5 GHz and 6 GHz wider bandwidths, compute the primary channel's\n+\t * position (in 20 MHz steps) within its band segment, then derive\n+\t * center_freq1 using the formula:\n+\t * center_freq1 = control_freq + (bw/2 - 10) - (offset & (bw/20 - 1)) * 20\n+\t */\n+\tif (control_freq >= 5955)\n+\t\toffset = (control_freq - 5955) / 20;\n+\telse if (control_freq >= 5745)\n+\t\toffset = (control_freq - 5745) / 20;\n+\telse if (control_freq >= 5180)\n+\t\toffset = (control_freq - 5180) / 20;\n+\n+\t/* Distance from the primary channel to the center of the BW block */\n+\tint half_bw = bw / 2 - 10;\n+\n+\t/* Position of the primary channel within its BW block (in 20 MHz steps) */\n+\tint block_pos = offset & (bw / 20 - 1);\n+\n+\t/* Center = primary channel + half-BW offset - position within block */\n+\t*center_freq1 = control_freq + half_bw - block_pos * 20;\n+\t*channel_width = bw;\n+\n+\twpa_printf(MSG_DEBUG,\n+\t\t \"PR: op_class=%u ch=%u -> freq=%d cf1=%u bw=%d\",\n+\t\t op_class, op_channel, control_freq, *center_freq1, bw);\n+\n+\treturn 0;\n+}\n+\n+\n static void\n wpas_pr_setup_edca_channels(struct wpa_supplicant *wpa_s,\n \t\t\t struct pr_channels *chan,\n@@ -275,6 +377,111 @@ static void wpas_pr_pasn_result(void *ctx, u8 role, u8 protocol_type,\n }\n \n \n+/**\n+ * wpas_pr_trigger_ranging - Trigger ranging measurement after PASN auth\n+ * @wpa_s: Pointer to wpa_supplicant data\n+ * @peer_addr: Peer MAC address\n+ * @freq: Operating frequency in MHz\n+ * @op_class: Operating class\n+ * @op_channel: Operating channel number\n+ * @bw: Channel bandwidth enum value\n+ * @format_bw: Format and bandwidth value\n+ * @protocol_type: Ranging protocol type (EDCA/NTB)\n+ *\n+ * This function triggers the actual ranging measurement after successful\n+ * PASN authentication by constructing and sending the NL80211 peer\n+ * measurement start command.\n+ */\n+static int wpas_pr_trigger_ranging(struct wpa_supplicant *wpa_s,\n+\t\t\t\t const u8 *peer_addr, int freq, u8 op_class,\n+\t\t\t\t u8 op_channel, u8 format_bw,\n+\t\t\t\t u8 protocol_type)\n+{\n+\tstruct pr_data *pr = wpa_s->global->pr;\n+\tstruct pr_pasn_ranging_params *params;\n+\tu16 channel_width = 0;\n+\tu32 center_freq1 = 0, center_freq2 = 0;\n+\tint ret;\n+\n+\tif (!pr || !pr->pr_pasn_params) {\n+\t\twpa_printf(MSG_DEBUG,\n+\t\t\t \"PR: No ranging params available for \" MACSTR,\n+\t\t\t MAC2STR(peer_addr));\n+\t\treturn -1;\n+\t}\n+\n+\tparams = pr->pr_pasn_params;\n+\n+\twpa_printf(MSG_DEBUG,\n+\t\t \"PR: Triggering ranging for \" MACSTR \" freq=%d ch=%u\",\n+\t\t MAC2STR(peer_addr), freq, op_channel);\n+\n+\t/* Derive center frequencies and channel width (MHz) from op_class */\n+\tret = wpas_pr_op_class_to_chan_params(op_class, op_channel,\n+\t\t\t\t\t ¢er_freq1, ¢er_freq2,\n+\t\t\t\t\t &channel_width);\n+\tif (ret < 0) {\n+\t\twpa_printf(MSG_ERROR,\n+\t\t\t \"PR: Failed to derive channel params for \"\n+\t\t\t \"op_class=%u ch=%u\", op_class, op_channel);\n+\t\tgoto fail;\n+\t}\n+\n+\t/* Populate ranging params */\n+\tparams->ranging_op_class = op_class;\n+\tparams->channel_width = channel_width;\n+\tparams->format_bw = format_bw;\n+\tparams->center_freq1 = center_freq1;\n+\tparams->center_freq2 = center_freq2;\n+\n+\t/* Validate format_bw is within enum limits before setting preamble */\n+\tif (protocol_type & PR_EDCA_BASED_RANGING) {\n+\t\tif (format_bw < EDCA_FORMAT_AND_BW_VHT20 ||\n+\t\t format_bw >= EDCA_FORMAT_AND_BW_MAX) {\n+\t\t\twpa_printf(MSG_ERROR,\n+\t\t\t\t \"PR: Invalid EDCA format_bw %u (valid range: %u-%u)\",\n+\t\t\t\t format_bw, EDCA_FORMAT_AND_BW_VHT20,\n+\t\t\t\t EDCA_FORMAT_AND_BW_MAX - 1);\n+\t\t\tgoto fail;\n+\t\t}\n+\t} else if (protocol_type & (PR_NTB_SECURE_LTF_BASED_RANGING |\n+\t\t\t\t PR_NTB_OPEN_BASED_RANGING)) {\n+\t\tif (format_bw >= NTB_FORMAT_AND_BW_MAX) {\n+\t\t\twpa_printf(MSG_ERROR,\n+\t\t\t\t \"PR: Invalid NTB format_bw %u (valid range: 0-%u)\",\n+\t\t\t\t format_bw, NTB_FORMAT_AND_BW_MAX - 1);\n+\t\t\tgoto fail;\n+\t\t}\n+\t} else {\n+\t\twpa_printf(MSG_ERROR, \"PR: Unknown protocol_type %u\",\n+\t\t\t protocol_type);\n+\t\tgoto fail;\n+\t}\n+\n+\twpa_printf(MSG_DEBUG,\n+\t\t \"PR: Ranging params - op_class=%u, ch_width=%u, format_bw=%u, cf1=%u, cf2=%u\",\n+\t\t params->ranging_op_class, params->channel_width,\n+\t\t params->format_bw, params->center_freq1, params->center_freq2);\n+\n+\t/* Call driver operation to start peer measurement */\n+\tif (wpa_drv_start_peer_measurement(wpa_s, peer_addr, freq, op_channel,\n+\t\t\t\t\t channel_width, params) < 0) {\n+\t\twpa_printf(MSG_ERROR, \"PR: Failed to start peer measurement\");\n+\t\tgoto fail;\n+\t}\n+\n+\twpa_printf(MSG_DEBUG, \"PR: Successfully triggered ranging measurement\");\n+\n+\treturn 0;\n+\n+fail:\n+\t/* Clean up on failure */\n+\tos_free(pr->pr_pasn_params);\n+\tpr->pr_pasn_params = NULL;\n+\treturn -1;\n+}\n+\n+\n static void wpas_pr_ranging_params(void *ctx, const u8 *dev_addr,\n \t\t\t\t const u8 *peer_addr, u8 ranging_role,\n \t\t\t\t u8 protocol_type, u8 op_class, u8 op_channel,\n@@ -283,7 +490,7 @@ static void wpas_pr_ranging_params(void *ctx, const u8 *dev_addr,\n \tstruct wpa_supplicant *wpa_s = ctx;\n \tint bw, format_bw, freq;\n \n-\tbw = oper_class_bw_to_int(get_oper_class(NULL, op_class));\n+\tbw = op_class_to_bandwidth(op_class);\n \tformat_bw = self_format_bw < peer_format_bw ?\n \t\tself_format_bw : peer_format_bw;\n \tfreq = ieee80211_chan_to_freq(NULL, op_class, op_channel);\n@@ -291,6 +498,10 @@ static void wpas_pr_ranging_params(void *ctx, const u8 *dev_addr,\n \twpas_notify_pr_ranging_params(wpa_s, dev_addr, peer_addr, ranging_role,\n \t\t\t\t protocol_type, freq, op_channel, bw,\n \t\t\t\t format_bw);\n+\n+\t/* Trigger ranging measurement after successful PASN authentication */\n+\twpas_pr_trigger_ranging(wpa_s, peer_addr, freq, op_class, op_channel,\n+\t\t\t\tformat_bw, protocol_type);\n }\n \n \n", "prefixes": [ "RFC", "v2", "19/23" ] }