[PATCH 02/13] ctrl_iface: Report RNR and ML in BSS command
Andrei Otcheretianski
andrei.otcheretianski at intel.com
Thu Nov 24 04:45:22 PST 2022
From: Ilan Peer <ilan.peer at intel.com>
Add the required ML and RNR definitions and report the information in
BSS command.
Signed-off-by: Ilan Peer <ilan.peer at intel.com>
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski at intel.com>
---
src/common/ieee802_11_defs.h | 104 ++++++++++++++
src/common/wpa_ctrl.h | 2 +
wpa_supplicant/ctrl_iface.c | 269 +++++++++++++++++++++++++++++++++--
3 files changed, 367 insertions(+), 8 deletions(-)
diff --git a/src/common/ieee802_11_defs.h b/src/common/ieee802_11_defs.h
index 427b284b85..d4c292d376 100644
--- a/src/common/ieee802_11_defs.h
+++ b/src/common/ieee802_11_defs.h
@@ -2562,6 +2562,100 @@ struct ieee80211_eht_capabilities {
#define BASIC_MLE_STA_PROF_STA_MAC_IDX 3
+struct eht_ml_basic_common_info {
+ u8 len;
+ u8 mld_addr[ETH_ALEN];
+
+ /*
+ * Followed by optional fields based on the multi link basic presence
+ * bitmap
+ *
+ * link info: 1 octet
+ * BSS parameters change count: 1 octet
+ * Medium synchronization delay: 2 octets
+ * EML capabilities: 2 octets
+ * MLD capabilities: 2 octets
+ * MLD ID: 1 octet
+ */
+ u8 variable[];
+} STRUCT_PACKED;
+
+#define EHT_ML_LINK_ID_MSK 0x0f
+
+#define EHT_ML_MEDIUM_SYNC_DELAY_DURATION 0x00ff
+#define EHT_ML_MEDIUM_SYNC_DELAY_OFDM_ED_TH 0x0f00
+#define EHT_ML_MEDIUM_SYNC_DELAY_MAX_TXOP 0xf000
+
+#define EHT_ML_EML_CAPA_EMLSR_SUPP_MSK 0x0001
+#define EHT_ML_EML_CAPA_EMLSR_PADDING_DELAY_MSK 0x000e
+#define EHT_ML_EML_CAPA_EMLSR_TRANS_DELAY_MSK 0x0070
+#define EHT_ML_EML_CAPA_EMLMR_SUPP_MSK 0x0080
+#define EHT_ML_EML_CAPA_EMLMR_DELAY_MSK 0x0700
+#define EHT_ML_EML_CAPA_TRANSITION_TIMEOUT_MSK 0x7800
+
+#define EHT_ML_MLD_CAPA_MAX_NUM_SIM_LINKS_MSK 0x000f
+#define EHT_ML_MLD_CAPA_SRS_SUPP_MSK 0x0010
+#define EHT_ML_MLD_CAPA_TID_TO_LINK_MAP_ALL_TO_ALL 0x0020
+#define EHT_ML_MLD_CAPA_TID_TO_LINK_MAP_ALL_TO_ONE 0x0040
+#define EHT_ML_MLD_CAPA_TID_TO_LINK_MAP_NEG_SUPP_MSK 0x0060
+#define EHT_ML_MLD_CAPA_FREQ_SEP_FOR_STR_MSK 0x0f80
+#define EHT_ML_MLD_CAPA_AAR_SUPP_MSK 0x1000
+
+/**
+ *
+ * This structure is the "eht per sta subelement" fixed fields as described in
+ * P802.11be_D2.0 section 9.4.2.312.2
+ */
+struct ieee80211_eht_per_sta_profile {
+ le16 sta_control;
+
+ /* Followed by sta info and sta profile fields */
+ u8 variable[];
+} STRUCT_PACKED;
+
+/*
+ * EHT probe request Multi link presence bitmap as defined in P802.11be_D2.0
+ * section 9.4.2.312.3
+ */
+#define EHT_ML_PRES_BM_PROB_REQ_MLD_ID 0x0010
+
+struct eht_ml_probe_req_common_info {
+ u8 len;
+
+ /*
+ * Followed by optional fields based on the multi link basic presence
+ * bitmap
+ *
+ * MLD ID: 1 octet
+ */
+ u8 variable[];
+} STRUCT_PACKED;
+
+/*
+ * EHT Reconfiguration Multi-Link presence bitmap as defined in P802.11be_D2.0
+ * section 9.4.2.312.4
+ */
+#define EHT_ML_PRES_BM_RECONFIGURE_MLD_ADDRESS 0x0001
+
+/**
+ * struct ieee80211_eht_ml - eht multi link element
+ *
+ * This structure is the "eht multi link element" fixed fields as described in
+ * P802.11be_D2.0 section 9.4.2.312.1
+ */
+struct ieee80211_eht_ml {
+ le16 ml_control;
+
+ /* Followed by common info and link info fields */
+ u8 variable[];
+} STRUCT_PACKED;
+
+enum ieee80211_eht_ml_sub_elem {
+ EHT_ML_SUB_ELEM_PER_STA_PROFILE = 0,
+ EHT_ML_SUB_ELEM_VENDOR = 221,
+ EHT_ML_SUB_ELEM_FRAGMENT = 254,
+};
+
/* IEEE P802.11ay/D4.0, 9.4.2.251 - EDMG Operation element */
#define EDMG_BSS_OPERATING_CHANNELS_OFFSET 6
#define EDMG_OPERATING_CHANNEL_WIDTH_OFFSET 7
@@ -2703,4 +2797,14 @@ enum dscp_policy_request_type {
#define WFA_CAPA_QM_DSCP_POLICY BIT(0)
#define WFA_CAPA_QM_UNSOLIC_DSCP BIT(1)
+struct ieee80211_neighbor_ap_info {
+ u8 tbtt_info_hdr;
+ u8 tbtt_info_len;
+ u8 op_class;
+ u8 channel;
+
+ /* Followed by the rest of the TBTT Information field contents */
+ u8 data[0];
+} STRUCT_PACKED;
+
#endif /* IEEE802_11_DEFS_H */
diff --git a/src/common/wpa_ctrl.h b/src/common/wpa_ctrl.h
index ba54da544f..4ab2a1b634 100644
--- a/src/common/wpa_ctrl.h
+++ b/src/common/wpa_ctrl.h
@@ -466,6 +466,8 @@ extern "C" {
#define WPA_BSS_MASK_UPDATE_IDX BIT(22)
#define WPA_BSS_MASK_BEACON_IE BIT(23)
#define WPA_BSS_MASK_FILS_INDICATION BIT(24)
+#define WPA_BSS_MASK_RNR BIT(25)
+#define WPA_BSS_MASK_ML BIT(26)
/* VENDOR_ELEM_* frame id values */
diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index e91bf4ebe8..785575fbf1 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -5001,6 +5001,262 @@ static int print_fils_indication(struct wpa_bss *bss, char *pos, char *end)
#endif /* CONFIG_FILS */
+static int print_rnr(struct wpa_bss *bss, char *pos, char *end)
+{
+ char *start = pos;
+ const u8 *ie, *ie_end;
+ u32 n = 0;
+ int ret;
+
+ ie = wpa_bss_get_ie(bss, WLAN_EID_REDUCED_NEIGHBOR_REPORT);
+ if (!ie)
+ return 0;
+
+ ie_end = ie + 2 + ie[1];
+ ie += 2;
+
+ while (ie < ie_end) {
+ struct ieee80211_neighbor_ap_info *info =
+ (struct ieee80211_neighbor_ap_info *)ie;
+ const u8 *tbtt_start;
+
+ if (ie + sizeof(struct ieee80211_neighbor_ap_info) >= ie_end)
+ return 0;
+
+ if (ie + sizeof(struct ieee80211_neighbor_ap_info) +
+ info->tbtt_info_len > ie_end)
+ return 0;
+
+ ret = os_snprintf(pos, end - pos,
+ "ap_info[%u]: tbtt_info: hdr=0x%x, len=%u, ",
+ n, *ie, info->tbtt_info_len);
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+ pos += ret;
+
+ ret = os_snprintf(pos, end - pos,
+ "op_c=%u, channel=%u, ",
+ info->op_class, info->channel);
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+ pos += ret;
+
+ ie += 4;
+ tbtt_start = ie;
+ if (info->tbtt_info_len >= 1) {
+ ret = os_snprintf(pos, end - pos,
+ "tbtt_offset=%u, ", *ie);
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+
+ ie++;
+ pos += ret;
+ }
+
+ if (info->tbtt_info_len >= 7) {
+ ret = os_snprintf(pos, end - pos,
+ "bssid=" MACSTR ", ",
+ MAC2STR(ie));
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+
+ ie += 6;
+ pos += ret;
+ }
+
+ if (info->tbtt_info_len >= 11) {
+ ret = os_snprintf(pos, end - pos,
+ "short SSID=0x%x, ",
+ WPA_GET_LE32(ie));
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+
+ ie += 4;
+ pos += ret;
+ }
+
+ if (info->tbtt_info_len >= 12) {
+ ret = os_snprintf(pos, end - pos,
+ "bss_params=0x%x, ", *ie);
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+
+ ie++;
+ pos += ret;
+ }
+
+ if (info->tbtt_info_len >= 13) {
+ ret = os_snprintf(pos, end - pos,
+ "PSD=0x%x, ", *ie);
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+
+ ie++;
+ pos += ret;
+ }
+
+ if (info->tbtt_info_len >= 16) {
+ ret = os_snprintf(pos, end - pos,
+ "mld ID=%u, link ID=%u",
+ *ie, *(ie + 1) & 0xF);
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+
+ ie += 3;
+ pos += ret;
+ }
+
+ ie = tbtt_start + info->tbtt_info_len;
+
+ ret = os_snprintf(pos, end - pos, "\n");
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+ pos += ret;
+
+ n++;
+ }
+
+ return pos - start;
+}
+
+
+static int print_ml(struct wpa_bss *bss, char *pos, char *end)
+{
+ struct ieee80211_eht_ml *ml;
+ char *start = pos;
+ const u8 *ie, *ie_end;
+ u16 ml_control;
+ u8 common_info_length;
+ int ret;
+
+ ie = get_ml_ie(wpa_bss_ie_ptr(bss), bss->ie_len,
+ MULTI_LINK_CONTROL_TYPE_BASIC);
+ if (!ie)
+ return 0;
+
+ ie_end = ie + 2 + ie[1];
+ ie += 3;
+ ml = (struct ieee80211_eht_ml *)ie;
+
+ /* control + common info length + MLD MAC Address */
+ if (ie_end - ie < 2 + 1 + 6)
+ return 0;
+
+ ml_control = le_to_host16(ml->ml_control);
+
+ common_info_length = *(ie + 2);
+ ret = os_snprintf(pos, end - pos,
+ "multi-link: control=0x%x, common info len=%u",
+ ml_control, common_info_length);
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+
+ pos += ret;
+ ie += 2;
+
+ if (ie_end - ie < common_info_length)
+ return 0;
+
+ ie++;
+ common_info_length--;
+
+ if (common_info_length < ETH_ALEN)
+ return 0;
+
+ ret = os_snprintf(pos, end - pos, ", MLD addr=" MACSTR, MAC2STR(ie));
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+
+ pos += ret;
+ ie += ETH_ALEN;
+ common_info_length -= ETH_ALEN;
+
+ if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_LINK_ID) {
+ if (common_info_length < 1)
+ return 0;
+
+ ret = os_snprintf(pos, end - pos, ", link ID=%u", *ie);
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+
+ pos += ret;
+ ie++;
+ common_info_length--;
+ }
+
+ if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_BSS_PARAM_CH_COUNT) {
+ if (common_info_length < 1)
+ return 0;
+
+ ret = os_snprintf(pos, end - pos,
+ ", BSS change parameters=0x%x", *ie);
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+
+ pos += ret;
+ ie++;
+ common_info_length--;
+ }
+
+ if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_MSD_INFO) {
+ if (common_info_length < 2)
+ return 0;
+
+ ret = os_snprintf(pos, end - pos, ", MSD Info=0x%x",
+ WPA_GET_LE16(ie));
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+
+ pos += ret;
+ ie += 2;
+ common_info_length -= 2;
+ }
+
+ if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_EML_CAPA) {
+ if (common_info_length < 2)
+ return 0;
+
+ ret = os_snprintf(pos, end - pos, ", EML capabilities=0x%x",
+ WPA_GET_LE16(ie));
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+
+ pos += ret;
+ ie += 2;
+ common_info_length -= 2;
+ }
+
+ if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_MLD_CAPA) {
+ if (common_info_length < 2)
+ return 0;
+
+ ret = os_snprintf(pos, end - pos, ", MLD capabilities=0x%x",
+ WPA_GET_LE16(ie));
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+
+ pos += ret;
+ ie += 2;
+ common_info_length -= 2;
+ }
+
+ if (ml_control & BASIC_MULTI_LINK_CTRL_PRES_AP_MLD_ID) {
+ if (common_info_length < 1)
+ return 0;
+
+ ret = os_snprintf(pos, end - pos, ", MLD ID=0x%x\n", *ie);
+ if (os_snprintf_error(end - pos, ret))
+ return 0;
+
+ pos += ret;
+ ie += 1;
+ common_info_length--;
+ }
+
+ return pos - start;
+}
+
+
static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
unsigned long mask, char *buf, size_t buflen)
{
@@ -5442,14 +5698,11 @@ static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
}
#endif /* CONFIG_FILS */
- if (!is_zero_ether_addr(bss->mld_addr)) {
- ret = os_snprintf(pos, end - pos,
- "ap_mld_addr=" MACSTR "\n",
- MAC2STR(bss->mld_addr));
- if (os_snprintf_error(end - pos, ret))
- return 0;
- pos += ret;
- }
+ if (mask & WPA_BSS_MASK_RNR)
+ pos += print_rnr(bss, pos, end);
+
+ if (mask & WPA_BSS_MASK_ML)
+ pos += print_ml(bss, pos, end);
if (mask & WPA_BSS_MASK_DELIM) {
ret = os_snprintf(pos, end - pos, "====\n");
--
2.25.1
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