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authorDavid Bauer <mail@david-bauer.net>2020-12-05 20:17:35 +0100
committerDavid Bauer <mail@david-bauer.net>2022-03-20 01:29:09 +0100
commit88075c87dc31fc75ec5b236290ff5b8997e7538d (patch)
treee75047fa6b5e69e65c9981a8e24e95e72fbdd6f6 /package/network/services/hostapd
parentb1c353986895ef757dd69ea9fe30dd22194ee421 (diff)
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hostapd: ubus: add BSS transtiton request method
The existing wnm_disassoc_imminent ubus method only supports issuing a bss transition request with the disassoc imminent flag set. For use-cases, where the client is requested to roam to another BSS without a pending disassoc, this existing method is not suitable. Add a new bss_transition_request ubus method, which provides a more universal way to dispatch a transition request. It takes the following arguments: Required: addr: String - MAC-address of the STA to send the request to (colon-seperated) Optional: abridged - Bool - Indicates if the abridged flag is set disassociation_imminent: Bool - Whether or not the disassoc_imminent flag is set disassociation_timer: I32 - number of TBTTs after which the client will be disassociated validity_period: I32 - number of TBTTs after which the beacon candidate list (if included) will be invalid neighbors: blob-array - Array of strings containing neighbor reports as hex-string Signed-off-by: David Bauer <mail@david-bauer.net> (cherry picked from commit 0eed96ca5d86bdc4158c8ef6814893bc2a3dc467)
Diffstat (limited to 'package/network/services/hostapd')
-rw-r--r--package/network/services/hostapd/src/src/ap/ubus.c152
1 files changed, 112 insertions, 40 deletions
diff --git a/package/network/services/hostapd/src/src/ap/ubus.c b/package/network/services/hostapd/src/src/ap/ubus.c
index 0575fe2572..a42ba83faf 100644
--- a/package/network/services/hostapd/src/src/ap/ubus.c
+++ b/package/network/services/hostapd/src/src/ap/ubus.c
@@ -1185,60 +1185,30 @@ hostapd_rrm_beacon_req(struct ubus_context *ctx, struct ubus_object *obj,
#ifdef CONFIG_WNM_AP
-enum {
- WNM_DISASSOC_ADDR,
- WNM_DISASSOC_DURATION,
- WNM_DISASSOC_NEIGHBORS,
- WNM_DISASSOC_ABRIDGED,
- __WNM_DISASSOC_MAX,
-};
-
-static const struct blobmsg_policy wnm_disassoc_policy[__WNM_DISASSOC_MAX] = {
- [WNM_DISASSOC_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
- [WNM_DISASSOC_DURATION] { "duration", BLOBMSG_TYPE_INT32 },
- [WNM_DISASSOC_NEIGHBORS] { "neighbors", BLOBMSG_TYPE_ARRAY },
- [WNM_DISASSOC_ABRIDGED] { "abridged", BLOBMSG_TYPE_BOOL },
-};
static int
-hostapd_wnm_disassoc_imminent(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *ureq, const char *method,
- struct blob_attr *msg)
+hostapd_bss_tr_send(struct hostapd_data *hapd, u8 *addr, bool disassoc_imminent, bool abridged,
+ u16 disassoc_timer, u8 validity_period, struct blob_attr *neighbors)
{
- struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
- struct blob_attr *tb[__WNM_DISASSOC_MAX];
struct blob_attr *cur;
struct sta_info *sta;
- int duration = 10;
- int rem;
int nr_len = 0;
+ int rem;
u8 *nr = NULL;
- u8 req_mode = WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
- u8 addr[ETH_ALEN];
-
- blobmsg_parse(wnm_disassoc_policy, __WNM_DISASSOC_MAX, tb, blob_data(msg), blob_len(msg));
-
- if (!tb[WNM_DISASSOC_ADDR])
- return UBUS_STATUS_INVALID_ARGUMENT;
-
- if (hwaddr_aton(blobmsg_data(tb[WNM_DISASSOC_ADDR]), addr))
- return UBUS_STATUS_INVALID_ARGUMENT;
-
- if ((cur = tb[WNM_DISASSOC_DURATION]) != NULL)
- duration = blobmsg_get_u32(cur);
+ u8 req_mode = 0;
sta = ap_get_sta(hapd, addr);
if (!sta)
return UBUS_STATUS_NOT_FOUND;
- if (tb[WNM_DISASSOC_NEIGHBORS]) {
+ if (neighbors) {
u8 *nr_cur;
- if (blobmsg_check_array(tb[WNM_DISASSOC_NEIGHBORS],
+ if (blobmsg_check_array(neighbors,
BLOBMSG_TYPE_STRING) < 0)
return UBUS_STATUS_INVALID_ARGUMENT;
- blobmsg_for_each_attr(cur, tb[WNM_DISASSOC_NEIGHBORS], rem) {
+ blobmsg_for_each_attr(cur, neighbors, rem) {
int len = strlen(blobmsg_get_string(cur));
if (len % 2)
@@ -1254,7 +1224,7 @@ hostapd_wnm_disassoc_imminent(struct ubus_context *ctx, struct ubus_object *obj,
}
nr_cur = nr;
- blobmsg_for_each_attr(cur, tb[WNM_DISASSOC_NEIGHBORS], rem) {
+ blobmsg_for_each_attr(cur, neighbors, rem) {
int len = strlen(blobmsg_get_string(cur)) / 2;
*nr_cur++ = WLAN_EID_NEIGHBOR_REPORT;
@@ -1271,15 +1241,116 @@ hostapd_wnm_disassoc_imminent(struct ubus_context *ctx, struct ubus_object *obj,
if (nr)
req_mode |= WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED;
- if (tb[WNM_DISASSOC_ABRIDGED] && blobmsg_get_bool(tb[WNM_DISASSOC_ABRIDGED]))
+ if (abridged)
req_mode |= WNM_BSS_TM_REQ_ABRIDGED;
- if (wnm_send_bss_tm_req(hapd, sta, req_mode, duration, duration, NULL,
+ if (disassoc_imminent)
+ req_mode |= WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
+
+ if (wnm_send_bss_tm_req(hapd, sta, req_mode, disassoc_timer, validity_period, NULL,
NULL, nr, nr_len, NULL, 0))
return UBUS_STATUS_UNKNOWN_ERROR;
return 0;
}
+
+enum {
+ BSS_TR_ADDR,
+ BSS_TR_DA_IMMINENT,
+ BSS_TR_DA_TIMER,
+ BSS_TR_VALID_PERIOD,
+ BSS_TR_NEIGHBORS,
+ BSS_TR_ABRIDGED,
+ __BSS_TR_DISASSOC_MAX
+};
+
+static const struct blobmsg_policy bss_tr_policy[__BSS_TR_DISASSOC_MAX] = {
+ [BSS_TR_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
+ [BSS_TR_DA_IMMINENT] = { "disassociation_imminent", BLOBMSG_TYPE_BOOL },
+ [BSS_TR_DA_TIMER] = { "disassociation_timer", BLOBMSG_TYPE_INT32 },
+ [BSS_TR_VALID_PERIOD] = { "validity_period", BLOBMSG_TYPE_INT32 },
+ [BSS_TR_NEIGHBORS] = { "neighbors", BLOBMSG_TYPE_ARRAY },
+ [BSS_TR_ABRIDGED] = { "abridged", BLOBMSG_TYPE_BOOL },
+};
+
+static int
+hostapd_bss_transition_request(struct ubus_context *ctx, struct ubus_object *obj,
+ struct ubus_request_data *ureq, const char *method,
+ struct blob_attr *msg)
+{
+ struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
+ struct blob_attr *tb[__BSS_TR_DISASSOC_MAX];
+ struct sta_info *sta;
+ u32 da_timer = 0;
+ u32 valid_period = 0;
+ u8 addr[ETH_ALEN];
+ bool abridged;
+ bool da_imminent;
+
+ blobmsg_parse(bss_tr_policy, __BSS_TR_DISASSOC_MAX, tb, blob_data(msg), blob_len(msg));
+
+ if (!tb[BSS_TR_ADDR])
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ if (hwaddr_aton(blobmsg_data(tb[BSS_TR_ADDR]), addr))
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ if (tb[BSS_TR_DA_TIMER])
+ da_timer = blobmsg_get_u32(tb[BSS_TR_DA_TIMER]);
+
+ if (tb[BSS_TR_VALID_PERIOD])
+ valid_period = blobmsg_get_u32(tb[BSS_TR_VALID_PERIOD]);
+
+ 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]));
+
+ return hostapd_bss_tr_send(hapd, addr, da_imminent, abridged, da_timer, valid_period,
+ tb[BSS_TR_NEIGHBORS]);
+}
+
+enum {
+ WNM_DISASSOC_ADDR,
+ WNM_DISASSOC_DURATION,
+ WNM_DISASSOC_NEIGHBORS,
+ WNM_DISASSOC_ABRIDGED,
+ __WNM_DISASSOC_MAX,
+};
+
+static const struct blobmsg_policy wnm_disassoc_policy[__WNM_DISASSOC_MAX] = {
+ [WNM_DISASSOC_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
+ [WNM_DISASSOC_DURATION] { "duration", BLOBMSG_TYPE_INT32 },
+ [WNM_DISASSOC_NEIGHBORS] { "neighbors", BLOBMSG_TYPE_ARRAY },
+ [WNM_DISASSOC_ABRIDGED] { "abridged", BLOBMSG_TYPE_BOOL },
+};
+
+static int
+hostapd_wnm_disassoc_imminent(struct ubus_context *ctx, struct ubus_object *obj,
+ struct ubus_request_data *ureq, const char *method,
+ struct blob_attr *msg)
+{
+ struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
+ struct blob_attr *tb[__WNM_DISASSOC_MAX];
+ struct sta_info *sta;
+ int duration = 10;
+ u8 addr[ETH_ALEN];
+ bool abridged;
+
+ blobmsg_parse(wnm_disassoc_policy, __WNM_DISASSOC_MAX, tb, blob_data(msg), blob_len(msg));
+
+ if (!tb[WNM_DISASSOC_ADDR])
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ if (hwaddr_aton(blobmsg_data(tb[WNM_DISASSOC_ADDR]), addr))
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ if (tb[WNM_DISASSOC_DURATION])
+ duration = blobmsg_get_u32(tb[WNM_DISASSOC_DURATION]);
+
+ abridged = !!(tb[WNM_DISASSOC_ABRIDGED] && blobmsg_get_bool(tb[WNM_DISASSOC_ABRIDGED]));
+
+ return hostapd_bss_tr_send(hapd, addr, true, abridged, duration, duration,
+ tb[WNM_DISASSOC_NEIGHBORS]);
+}
#endif
static const struct ubus_method bss_methods[] = {
@@ -1307,6 +1378,7 @@ static const struct ubus_method bss_methods[] = {
UBUS_METHOD("rrm_beacon_req", hostapd_rrm_beacon_req, beacon_req_policy),
#ifdef CONFIG_WNM_AP
UBUS_METHOD("wnm_disassoc_imminent", hostapd_wnm_disassoc_imminent, wnm_disassoc_policy),
+ UBUS_METHOD("bss_transition_request", hostapd_bss_transition_request, bss_tr_policy),
#endif
};