From 5c57f9bbea662e21cb2c7e8211ee5dbcc88700e2 Mon Sep 17 00:00:00 2001 From: Stijn Tintel Date: Fri, 3 Jun 2022 11:22:50 +0300 Subject: [PATCH] hostapd: support MBO in bss_transition_request Support the use of MBO in the bss_transition_request ubus method. Signed-off-by: Stijn Tintel Acked-by: David Bauer --- package/network/services/hostapd/README.md | 3 + .../services/hostapd/src/src/ap/ubus.c | 61 ++++++++++++++++++- 2 files changed, 61 insertions(+), 3 deletions(-) diff --git a/package/network/services/hostapd/README.md b/package/network/services/hostapd/README.md index bd347c61dd..2150863306 100644 --- a/package/network/services/hostapd/README.md +++ b/package/network/services/hostapd/README.md @@ -29,6 +29,9 @@ Initiate an 802.11v transition request. | neighbors | array | no | BSS Transition Candidate List | | abridged | bool | no | prefer APs in the BSS Transition Candidate List | | dialog_token | int32 | no | identifier for the request/report transaction | +| mbo_reason | int32 | no | MBO Transition Reason Code Attribute | +| cell_pref | int32 | no | MBO Cellular Data Connection Preference Attribute | +| reassoc_delay | int32 | no | MBO Re-association retry delay | ### example `ubus call hostapd.wl5-fb bss_transition_request '{ "addr": "68:2F:67:8B:98:ED", "disassociation_imminent": false, "disassociation_timer": 0, "validity_period": 30, "neighbors": ["b6a7b9cbeebabf5900008064090603026a00"], "abridged": 1 }'` diff --git a/package/network/services/hostapd/src/src/ap/ubus.c b/package/network/services/hostapd/src/src/ap/ubus.c index 1199098b1e..182aae7d05 100644 --- a/package/network/services/hostapd/src/src/ap/ubus.c +++ b/package/network/services/hostapd/src/src/ap/ubus.c @@ -1454,7 +1454,7 @@ void hostapd_ubus_handle_link_measurement(struct hostapd_data *hapd, const u8 *d static int hostapd_bss_tr_send(struct hostapd_data *hapd, u8 *addr, bool disassoc_imminent, bool abridged, u16 disassoc_timer, u8 validity_period, u8 dialog_token, - struct blob_attr *neighbors) + struct blob_attr *neighbors, u8 mbo_reason, u8 cell_pref, u8 reassoc_delay) { struct blob_attr *cur; struct sta_info *sta; @@ -1462,6 +1462,8 @@ hostapd_bss_tr_send(struct hostapd_data *hapd, u8 *addr, bool disassoc_imminent, int rem; u8 *nr = NULL; u8 req_mode = 0; + u8 mbo[10]; + size_t mbo_len = 0; sta = ap_get_sta(hapd, addr); if (!sta) @@ -1513,8 +1515,37 @@ hostapd_bss_tr_send(struct hostapd_data *hapd, u8 *addr, bool disassoc_imminent, if (disassoc_imminent) req_mode |= WNM_BSS_TM_REQ_DISASSOC_IMMINENT; +#ifdef CONFIG_MBO + u8 *mbo_pos = mbo; + + if (mbo_reason > MBO_TRANSITION_REASON_PREMIUM_AP) + return UBUS_STATUS_INVALID_ARGUMENT; + + if (cell_pref != 0 && cell_pref != 1 && cell_pref != 255) + return UBUS_STATUS_INVALID_ARGUMENT; + + if (reassoc_delay > 65535 || (reassoc_delay && !disassoc_imminent)) + return UBUS_STATUS_INVALID_ARGUMENT; + + *mbo_pos++ = MBO_ATTR_ID_TRANSITION_REASON; + *mbo_pos++ = 1; + *mbo_pos++ = mbo_reason; + *mbo_pos++ = MBO_ATTR_ID_CELL_DATA_PREF; + *mbo_pos++ = 1; + *mbo_pos++ = cell_pref; + + if (reassoc_delay) { + *mbo_pos++ = MBO_ATTR_ID_ASSOC_RETRY_DELAY; + *mbo_pos++ = 2; + WPA_PUT_LE16(mbo_pos, reassoc_delay); + mbo_pos += 2; + } + + mbo_len = mbo_pos - mbo; +#endif + if (wnm_send_bss_tm_req(hapd, sta, req_mode, disassoc_timer, validity_period, NULL, - dialog_token, NULL, nr, nr_len, NULL, 0)) + dialog_token, NULL, nr, nr_len, mbo_len ? mbo : NULL, mbo_len)) return UBUS_STATUS_UNKNOWN_ERROR; return 0; @@ -1528,6 +1559,11 @@ enum { BSS_TR_NEIGHBORS, BSS_TR_ABRIDGED, BSS_TR_DIALOG_TOKEN, +#ifdef CONFIG_MBO + BSS_TR_MBO_REASON, + BSS_TR_CELL_PREF, + BSS_TR_REASSOC_DELAY, +#endif __BSS_TR_DISASSOC_MAX }; @@ -1539,6 +1575,11 @@ static const struct blobmsg_policy bss_tr_policy[__BSS_TR_DISASSOC_MAX] = { [BSS_TR_NEIGHBORS] = { "neighbors", BLOBMSG_TYPE_ARRAY }, [BSS_TR_ABRIDGED] = { "abridged", BLOBMSG_TYPE_BOOL }, [BSS_TR_DIALOG_TOKEN] = { "dialog_token", BLOBMSG_TYPE_INT32 }, +#ifdef CONFIG_MBO + [BSS_TR_MBO_REASON] = { "mbo_reason", BLOBMSG_TYPE_INT32 }, + [BSS_TR_CELL_PREF] = { "cell_pref", BLOBMSG_TYPE_INT32 }, + [BSS_TR_REASSOC_DELAY] = { "reassoc_delay", BLOBMSG_TYPE_INT32 }, +#endif }; static int @@ -1555,6 +1596,9 @@ hostapd_bss_transition_request(struct ubus_context *ctx, struct ubus_object *obj u32 dialog_token = 1; bool abridged; bool da_imminent; + u8 mbo_reason; + u8 cell_pref; + u8 reassoc_delay; blobmsg_parse(bss_tr_policy, __BSS_TR_DISASSOC_MAX, tb, blob_data(msg), blob_len(msg)); @@ -1576,8 +1620,19 @@ hostapd_bss_transition_request(struct ubus_context *ctx, struct ubus_object *obj da_imminent = !!(tb[BSS_TR_DA_IMMINENT] && blobmsg_get_bool(tb[BSS_TR_DA_IMMINENT])); abridged = !!(tb[BSS_TR_ABRIDGED] && blobmsg_get_bool(tb[BSS_TR_ABRIDGED])); +#ifdef CONFIG_MBO + if (tb[BSS_TR_MBO_REASON]) + mbo_reason = blobmsg_get_u32(tb[BSS_TR_MBO_REASON]); + + if (tb[BSS_TR_CELL_PREF]) + cell_pref = blobmsg_get_u32(tb[BSS_TR_CELL_PREF]); + + if (tb[BSS_TR_REASSOC_DELAY]) + reassoc_delay = blobmsg_get_u32(tb[BSS_TR_REASSOC_DELAY]); +#endif + return hostapd_bss_tr_send(hapd, addr, da_imminent, abridged, da_timer, valid_period, - dialog_token, tb[BSS_TR_NEIGHBORS]); + dialog_token, tb[BSS_TR_NEIGHBORS], mbo_reason, cell_pref, reassoc_delay); } #endif -- 2.30.2