1 // SPDX-License-Identifier: GPL-2.0-only
5  * Copyright (C) 2020-2023 Intel Corporation
23 #include "driver-ops.h"
36 	struct ieee80211_if_read_sdata_data *d = data;  in ieee80211_if_read_sdata_handler()  local
38 	return d->format(d->sdata, buf, bufsize);  in ieee80211_if_read_sdata_handler()
47 	struct ieee80211_sub_if_data *sdata = file->private_data;  in ieee80211_if_read_sdata()
54 	return wiphy_locked_debugfs_read(sdata->local->hw.wiphy,  in ieee80211_if_read_sdata()
72 	struct ieee80211_if_write_sdata_data *d = data;  in ieee80211_if_write_sdata_handler()  local
74 	return d->write(d->sdata, buf, count);  in ieee80211_if_write_sdata_handler()
83 	struct ieee80211_sub_if_data *sdata = file->private_data;  in ieee80211_if_write_sdata()
90 	return wiphy_locked_debugfs_write(sdata->local->hw.wiphy,  in ieee80211_if_write_sdata()
99 	struct ieee80211_link_data *link;  member
108 	struct ieee80211_if_read_link_data *d = data;  in ieee80211_if_read_link_handler()  local
110 	return d->format(d->link, buf, bufsize);  in ieee80211_if_read_link_handler()
117 	ssize_t (*format)(const struct ieee80211_link_data *link, char *, int))  in ieee80211_if_read_link()  argument
119 	struct ieee80211_link_data *link = file->private_data;  in ieee80211_if_read_link()  local
122 		.link = link,  in ieee80211_if_read_link()
126 	return wiphy_locked_debugfs_read(link->sdata->local->hw.wiphy,  in ieee80211_if_read_link()
135 	struct ieee80211_link_data *link;  member
144 	struct ieee80211_if_write_sdata_data *d = data;  in ieee80211_if_write_link_handler()  local
146 	return d->write(d->sdata, buf, count);  in ieee80211_if_write_link_handler()
153 	ssize_t (*write)(struct ieee80211_link_data *link, const char *, int))  in ieee80211_if_write_link()  argument
155 	struct ieee80211_link_data *link = file->private_data;  in ieee80211_if_write_link()  local
158 		.link = link,  in ieee80211_if_write_link()
162 	return wiphy_locked_debugfs_write(link->sdata->local->hw.wiphy,  in ieee80211_if_write_link()
174 	return scnprintf(buf, buflen, format_string, data->field);	\
177 		IEEE80211_IF_FMT(name, type, field, "%d\n")
190 	for (i = 0; i < sizeof(data->field); i++) {			\
191 		p += scnprintf(p, buflen + buf - p, "%.2x ",		\
192 				 data->field[i]);			\
194 	p += scnprintf(p, buflen + buf - p, "\n");			\
195 	return p - buf;							\
203 	return scnprintf(buf, buflen, "%d\n", atomic_read(&data->field));\
211 	return scnprintf(buf, buflen, "%pM\n", data->field);		\
219 	return scnprintf(buf, buflen, "%d\n",				\
220 			 jiffies_to_msecs(data->field));		\
321 	const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_2GHZ];  in ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz()
324 		len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]);  in ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz()
325 	len += scnprintf(buf + len, buflen - len, "\n");  in ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz()
337 	const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_5GHZ];  in ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz()
340 		len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]);  in ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz()
341 	len += scnprintf(buf + len, buflen - len, "\n");  in ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz()
350 IEEE80211_IF_LINK_FILE(txpower, conf->txpower, DEC);
360 	len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n",  in ieee80211_if_fmt_hw_queues()
361 			sdata->vif.hw_queue[IEEE80211_AC_VO],  in ieee80211_if_fmt_hw_queues()
362 			sdata->vif.hw_queue[IEEE80211_AC_VI],  in ieee80211_if_fmt_hw_queues()
363 			sdata->vif.hw_queue[IEEE80211_AC_BE],  in ieee80211_if_fmt_hw_queues()
364 			sdata->vif.hw_queue[IEEE80211_AC_BK]);  in ieee80211_if_fmt_hw_queues()
366 	if (sdata->vif.type == NL80211_IFTYPE_AP)  in ieee80211_if_fmt_hw_queues()
367 		len += scnprintf(buf + len, buflen - len, "cab queue: %d\n",  in ieee80211_if_fmt_hw_queues()
368 				 sdata->vif.cab_queue);  in ieee80211_if_fmt_hw_queues()
379 static int ieee80211_set_smps(struct ieee80211_link_data *link,  in ieee80211_set_smps()  argument
382 	struct ieee80211_sub_if_data *sdata = link->sdata;  in ieee80211_set_smps()
383 	struct ieee80211_local *local = sdata->local;  in ieee80211_set_smps()
388 	if (sdata->vif.driver_flags & IEEE80211_VIF_EML_ACTIVE)  in ieee80211_set_smps()
389 		return -EOPNOTSUPP;  in ieee80211_set_smps()
391 	if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) &&  in ieee80211_set_smps()
393 		return -EINVAL;  in ieee80211_set_smps()
396 	if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) &&  in ieee80211_set_smps()
399 		return -EINVAL;  in ieee80211_set_smps()
401 	if (sdata->vif.type != NL80211_IFTYPE_STATION)  in ieee80211_set_smps()
402 		return -EOPNOTSUPP;  in ieee80211_set_smps()
404 	return __ieee80211_request_smps_mgd(link->sdata, link, smps_mode);  in ieee80211_set_smps()
414 static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_link_data *link,  in ieee80211_if_fmt_smps()  argument
417 	if (link->sdata->vif.type == NL80211_IFTYPE_STATION)  in ieee80211_if_fmt_smps()
419 				smps_modes[link->u.mgd.req_smps],  in ieee80211_if_fmt_smps()
420 				smps_modes[link->smps_mode]);  in ieee80211_if_fmt_smps()
421 	return -EINVAL;  in ieee80211_if_fmt_smps()
424 static ssize_t ieee80211_if_parse_smps(struct ieee80211_link_data *link,  in ieee80211_if_parse_smps()  argument
431 			int err = ieee80211_set_smps(link, mode);  in ieee80211_if_parse_smps()
438 	return -EINVAL;  in ieee80211_if_parse_smps()
445 	struct ieee80211_local *local = sdata->local;  in ieee80211_if_parse_tkip_mic_test()
452 		return -EINVAL;  in ieee80211_if_parse_tkip_mic_test()
455 		return -ENOTCONN;  in ieee80211_if_parse_tkip_mic_test()
457 	skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100);  in ieee80211_if_parse_tkip_mic_test()
459 		return -ENOMEM;  in ieee80211_if_parse_tkip_mic_test()
460 	skb_reserve(skb, local->hw.extra_tx_headroom);  in ieee80211_if_parse_tkip_mic_test()
465 	switch (sdata->vif.type) {  in ieee80211_if_parse_tkip_mic_test()
469 		memcpy(hdr->addr1, addr, ETH_ALEN);  in ieee80211_if_parse_tkip_mic_test()
470 		memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);  in ieee80211_if_parse_tkip_mic_test()
471 		memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN);  in ieee80211_if_parse_tkip_mic_test()
476 		if (!sdata->u.mgd.associated) {  in ieee80211_if_parse_tkip_mic_test()
478 			return -ENOTCONN;  in ieee80211_if_parse_tkip_mic_test()
480 		memcpy(hdr->addr1, sdata->deflink.u.mgd.bssid, ETH_ALEN);  in ieee80211_if_parse_tkip_mic_test()
481 		memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN);  in ieee80211_if_parse_tkip_mic_test()
482 		memcpy(hdr->addr3, addr, ETH_ALEN);  in ieee80211_if_parse_tkip_mic_test()
486 		return -EOPNOTSUPP;  in ieee80211_if_parse_tkip_mic_test()
488 	hdr->frame_control = fc;  in ieee80211_if_parse_tkip_mic_test()
497 	IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE;  in ieee80211_if_parse_tkip_mic_test()
508 	if (!ieee80211_sdata_running(sdata) || !sdata->vif.cfg.assoc)  in ieee80211_if_parse_beacon_loss()
509 		return -ENOTCONN;  in ieee80211_if_parse_beacon_loss()
511 	ieee80211_beacon_loss(&sdata->vif);  in ieee80211_if_parse_beacon_loss()
520 	const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;  in ieee80211_if_fmt_uapsd_queues()
522 	return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);  in ieee80211_if_fmt_uapsd_queues()
528 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;  in ieee80211_if_parse_uapsd_queues()
537 		return -ERANGE;  in ieee80211_if_parse_uapsd_queues()
539 	ifmgd->uapsd_queues = val;  in ieee80211_if_parse_uapsd_queues()
548 	const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;  in ieee80211_if_fmt_uapsd_max_sp_len()
550 	return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);  in ieee80211_if_fmt_uapsd_max_sp_len()
556 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;  in ieee80211_if_parse_uapsd_max_sp_len()
562 		return -EINVAL;  in ieee80211_if_parse_uapsd_max_sp_len()
565 		return -ERANGE;  in ieee80211_if_parse_uapsd_max_sp_len()
567 	ifmgd->uapsd_max_sp_len = val;  in ieee80211_if_parse_uapsd_max_sp_len()
576 	const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;  in ieee80211_if_fmt_tdls_wider_bw()
579 	tdls_wider_bw = ieee80211_hw_check(&sdata->local->hw, TDLS_WIDER_BW) &&  in ieee80211_if_fmt_tdls_wider_bw()
580 			!ifmgd->tdls_wider_bw_prohibited;  in ieee80211_if_fmt_tdls_wider_bw()
582 	return snprintf(buf, buflen, "%d\n", tdls_wider_bw);  in ieee80211_if_fmt_tdls_wider_bw()
588 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;  in ieee80211_if_parse_tdls_wider_bw()
596 	ifmgd->tdls_wider_bw_prohibited = !val;  in ieee80211_if_parse_tdls_wider_bw()
611 			 skb_queue_len(&sdata->u.ap.ps.bc_buf));  in ieee80211_if_fmt_num_buffered_multicast()
618 	struct ieee80211_local *local = sdata->local;  in ieee80211_if_fmt_aqm()
622 	if (!sdata->vif.txq)  in ieee80211_if_fmt_aqm()
625 	txqi = to_txq_info(sdata->vif.txq);  in ieee80211_if_fmt_aqm()
627 	spin_lock_bh(&local->fq.lock);  in ieee80211_if_fmt_aqm()
632 …"ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n"  in ieee80211_if_fmt_aqm()
634 			txqi->txq.ac,  in ieee80211_if_fmt_aqm()
635 			txqi->tin.backlog_bytes,  in ieee80211_if_fmt_aqm()
636 			txqi->tin.backlog_packets,  in ieee80211_if_fmt_aqm()
637 			txqi->tin.flows,  in ieee80211_if_fmt_aqm()
638 			txqi->cstats.drop_count,  in ieee80211_if_fmt_aqm()
639 			txqi->cstats.ecn_mark,  in ieee80211_if_fmt_aqm()
640 			txqi->tin.overlimit,  in ieee80211_if_fmt_aqm()
641 			txqi->tin.collisions,  in ieee80211_if_fmt_aqm()
642 			txqi->tin.tx_bytes,  in ieee80211_if_fmt_aqm()
643 			txqi->tin.tx_packets);  in ieee80211_if_fmt_aqm()
646 	spin_unlock_bh(&local->fq.lock);  in ieee80211_if_fmt_aqm()
658 	struct ieee80211_local *local = sdata->local;  in ieee80211_if_fmt_tsf()
669 	struct ieee80211_local *local = sdata->local;  in ieee80211_if_parse_tsf()
675 		if (local->ops->reset_tsf) {  in ieee80211_if_parse_tsf()
677 			wiphy_info(local->hw.wiphy, "debugfs reset TSF\n");  in ieee80211_if_parse_tsf()
683 			else if (buf[0] == '-')  in ieee80211_if_parse_tsf()
684 				tsf_is_delta = -1;  in ieee80211_if_parse_tsf()
686 				return -EINVAL;  in ieee80211_if_parse_tsf()
692 		if (tsf_is_delta && local->ops->offset_tsf) {  in ieee80211_if_parse_tsf()
694 			wiphy_info(local->hw.wiphy,  in ieee80211_if_parse_tsf()
697 		} else if (local->ops->set_tsf) {  in ieee80211_if_parse_tsf()
702 			wiphy_info(local->hw.wiphy,  in ieee80211_if_parse_tsf()
715 	return snprintf(buf, buflen, "0x%x\n", sdata->vif.valid_links);  in ieee80211_if_fmt_valid_links()
722 	return snprintf(buf, buflen, "0x%x\n", sdata->vif.active_links);  in ieee80211_if_fmt_active_links()
731 		return -EINVAL;  in ieee80211_if_parse_active_links()
733 	return ieee80211_set_active_links(&sdata->vif, active_links) ?: buflen;  in ieee80211_if_parse_active_links()
737 IEEE80211_IF_LINK_FILE(addr, conf->addr, MAC);
804 	debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \
808 	debugfs_create_x##_bits(#_name, _mode, sdata->vif.debugfs_dir, \
809 				&sdata->vif._name)
832 	if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&  in add_common_files()
833 	    sdata->vif.type != NL80211_IFTYPE_NAN)  in add_common_files()
865 	debugfs_create_file("num_mcast_sta", 0400, sdata->vif.debugfs_dir,  in add_vlan_files()
885 						sdata->vif.debugfs_dir);  in add_mesh_stats()
900 						sdata->vif.debugfs_dir);  in add_mesh_config()
940 	if (!sdata->vif.debugfs_dir)  in add_files()
946 	if (sdata->vif.type != NL80211_IFTYPE_MONITOR)  in add_files()
949 	switch (sdata->vif.type) {  in add_files()
979 			    link, &link_##name##_ops)
983 static void add_link_files(struct ieee80211_link_data *link,  in add_link_files()  argument
990 	switch (link->sdata->vif.type) {  in add_link_files()
1004 	sprintf(buf, "netdev:%s", sdata->name);  in ieee80211_debugfs_add_netdev()
1005 	sdata->vif.debugfs_dir = debugfs_create_dir(buf,  in ieee80211_debugfs_add_netdev()
1006 		sdata->local->hw.wiphy->debugfsdir);  in ieee80211_debugfs_add_netdev()
1008 	sdata->deflink.debugfs_dir = sdata->vif.debugfs_dir;  in ieee80211_debugfs_add_netdev()
1009 	sdata->debugfs.subdir_stations = debugfs_create_dir("stations",  in ieee80211_debugfs_add_netdev()
1010 							sdata->vif.debugfs_dir);  in ieee80211_debugfs_add_netdev()
1013 		add_link_files(&sdata->deflink, sdata->vif.debugfs_dir);  in ieee80211_debugfs_add_netdev()
1018 	if (!sdata->vif.debugfs_dir)  in ieee80211_debugfs_remove_netdev()
1021 	debugfs_remove_recursive(sdata->vif.debugfs_dir);  in ieee80211_debugfs_remove_netdev()
1022 	sdata->vif.debugfs_dir = NULL;  in ieee80211_debugfs_remove_netdev()
1023 	sdata->debugfs.subdir_stations = NULL;  in ieee80211_debugfs_remove_netdev()
1028 	debugfs_change_name(sdata->vif.debugfs_dir, "netdev:%s", sdata->name);  in ieee80211_debugfs_rename_netdev()
1037 	if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) {  in ieee80211_debugfs_recreate_netdev()
1038 		drv_vif_add_debugfs(sdata->local, sdata);  in ieee80211_debugfs_recreate_netdev()
1040 			ieee80211_link_debugfs_drv_add(&sdata->deflink);  in ieee80211_debugfs_recreate_netdev()
1044 void ieee80211_link_debugfs_add(struct ieee80211_link_data *link)  in ieee80211_link_debugfs_add()  argument
1048 	if (WARN_ON(!link->sdata->vif.debugfs_dir || link->debugfs_dir))  in ieee80211_link_debugfs_add()
1051 	/* For now, this should not be called for non-MLO capable drivers */  in ieee80211_link_debugfs_add()
1052 	if (WARN_ON(!(link->sdata->local->hw.wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO)))  in ieee80211_link_debugfs_add()
1056 		 "link-%d", link->link_id);  in ieee80211_link_debugfs_add()
1058 	link->debugfs_dir =  in ieee80211_link_debugfs_add()
1060 				   link->sdata->vif.debugfs_dir);  in ieee80211_link_debugfs_add()
1062 	DEBUGFS_ADD(link->debugfs_dir, addr);  in ieee80211_link_debugfs_add()
1063 	add_link_files(link, link->debugfs_dir);  in ieee80211_link_debugfs_add()
1066 void ieee80211_link_debugfs_remove(struct ieee80211_link_data *link)  in ieee80211_link_debugfs_remove()  argument
1068 	if (!link->sdata->vif.debugfs_dir || !link->debugfs_dir) {  in ieee80211_link_debugfs_remove()
1069 		link->debugfs_dir = NULL;  in ieee80211_link_debugfs_remove()
1073 	if (link->debugfs_dir == link->sdata->vif.debugfs_dir) {  in ieee80211_link_debugfs_remove()
1074 		WARN_ON(link != &link->sdata->deflink);  in ieee80211_link_debugfs_remove()
1075 		link->debugfs_dir = NULL;  in ieee80211_link_debugfs_remove()
1079 	debugfs_remove_recursive(link->debugfs_dir);  in ieee80211_link_debugfs_remove()
1080 	link->debugfs_dir = NULL;  in ieee80211_link_debugfs_remove()
1083 void ieee80211_link_debugfs_drv_add(struct ieee80211_link_data *link)  in ieee80211_link_debugfs_drv_add()  argument
1085 	if (link->sdata->vif.type == NL80211_IFTYPE_MONITOR ||  in ieee80211_link_debugfs_drv_add()
1086 	    WARN_ON(!link->debugfs_dir))  in ieee80211_link_debugfs_drv_add()
1089 	drv_link_add_debugfs(link->sdata->local, link->sdata,  in ieee80211_link_debugfs_drv_add()
1090 			     link->conf, link->debugfs_dir);  in ieee80211_link_debugfs_drv_add()
1093 void ieee80211_link_debugfs_drv_remove(struct ieee80211_link_data *link)  in ieee80211_link_debugfs_drv_remove()  argument
1095 	if (!link || !link->debugfs_dir)  in ieee80211_link_debugfs_drv_remove()
1098 	if (WARN_ON(link->debugfs_dir == link->sdata->vif.debugfs_dir))  in ieee80211_link_debugfs_drv_remove()
1102 	debugfs_remove_recursive(link->debugfs_dir);  in ieee80211_link_debugfs_drv_remove()
1103 	link->debugfs_dir = NULL;  in ieee80211_link_debugfs_drv_remove()
1105 	ieee80211_link_debugfs_add(link);  in ieee80211_link_debugfs_drv_remove()