Files
wlan-ap/patches/0049-hostapd-add-wispr-bandwidth-patch.patch
John Crispin ba406fe01b hostapd: add radius based wispr/bandwidth control
Fixes: WIFI-4888
Signed-off-by: John Crispin <john@phrozen.org>
2021-11-09 12:50:31 +01:00

147 lines
4.9 KiB
Diff

From 844a6bacb1c416ad5f56ee60142e786548dd659c Mon Sep 17 00:00:00 2001
From: John Crispin <john@phrozen.org>
Date: Tue, 9 Nov 2021 12:49:43 +0100
Subject: [PATCH] hostapd: add wispr bandwidth patch
Signed-off-by: John Crispin <john@phrozen.org>
---
.../services/hostapd/patches/750-wispr.patch | 126 ++++++++++++++++++
1 file changed, 126 insertions(+)
create mode 100644 package/network/services/hostapd/patches/750-wispr.patch
diff --git a/package/network/services/hostapd/patches/750-wispr.patch b/package/network/services/hostapd/patches/750-wispr.patch
new file mode 100644
index 0000000000..f2f4a933d7
--- /dev/null
+++ b/package/network/services/hostapd/patches/750-wispr.patch
@@ -0,0 +1,126 @@
+Index: hostapd-2021-02-20-59e9794c/src/ap/ieee802_1x.c
+===================================================================
+--- hostapd-2021-02-20-59e9794c.orig/src/ap/ieee802_1x.c
++++ hostapd-2021-02-20-59e9794c/src/ap/ieee802_1x.c
+@@ -1904,6 +1904,25 @@ static int ieee802_1x_update_vlan(struct
+ }
+ #endif /* CONFIG_NO_VLAN */
+
++static int ieee802_1x_update_wispr(struct hostapd_data *hapd,
++ struct sta_info *sta,
++ struct radius_msg *msg)
++{
++ memset(sta->bandwidth, 0, sizeof(sta->bandwidth));
++
++ if (radius_msg_get_wispr(msg, &sta->bandwidth))
++ return 0;
++
++ if (!sta->bandwidth[0] && !sta->bandwidth[1])
++ return 0;
++
++ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
++ HOSTAPD_LEVEL_INFO,
++ "received wispr bandwidth from RADIUS server %d/%d",
++ sta->bandwidth[0], sta->bandwidth[1]);
++
++ return 0;
++}
+
+ /**
+ * ieee802_1x_receive_auth - Process RADIUS frames from Authentication Server
+@@ -2029,6 +2048,7 @@ ieee802_1x_receive_auth(struct radius_ms
+ ieee802_1x_check_hs20(hapd, sta, msg,
+ session_timeout_set ?
+ (int) session_timeout : -1);
++ ieee802_1x_update_wispr(hapd, sta, msg);
+ break;
+ case RADIUS_CODE_ACCESS_REJECT:
+ sm->eap_if->aaaFail = true;
+Index: hostapd-2021-02-20-59e9794c/src/ap/sta_info.h
+===================================================================
+--- hostapd-2021-02-20-59e9794c.orig/src/ap/sta_info.h
++++ hostapd-2021-02-20-59e9794c/src/ap/sta_info.h
+@@ -117,6 +117,7 @@ struct sta_info {
+ u8 supported_rates[WLAN_SUPP_RATES_MAX];
+ int supported_rates_len;
+ u8 qosinfo; /* Valid when WLAN_STA_WMM is set */
++ u32 bandwidth[2];
+
+ #ifdef CONFIG_MESH
+ enum mesh_plink_state plink_state;
+Index: hostapd-2021-02-20-59e9794c/src/radius/radius.c
+===================================================================
+--- hostapd-2021-02-20-59e9794c.orig/src/radius/radius.c
++++ hostapd-2021-02-20-59e9794c/src/radius/radius.c
+@@ -1182,6 +1182,35 @@ radius_msg_get_cisco_keys(struct radius_
+ return keys;
+ }
+
++#define RADIUS_VENDOR_ID_WISPR 14122
++#define RADIUS_WISPR_AV_BW_UP 7
++#define RADIUS_WISPR_AV_BW_DOWN 8
++
++int
++radius_msg_get_wispr(struct radius_msg *msg, u32 *bandwidth)
++{
++ int i;
++
++ if (msg == NULL || bandwidth == NULL)
++ return 1;
++
++ for (i = 0; i < 2; i++) {
++ size_t keylen;
++ u8 *key;
++
++ key = radius_msg_get_vendor_attr(msg, RADIUS_VENDOR_ID_WISPR,
++ RADIUS_WISPR_AV_BW_UP + i, &keylen);
++ if (!key)
++ continue;
++
++ if (keylen == 4)
++ bandwidth[i] = ntohl(*((u32 *)key));
++ os_free(key);
++ }
++
++ return 0;
++}
++
+
+ int radius_msg_add_mppe_keys(struct radius_msg *msg,
+ const u8 *req_authenticator,
+Index: hostapd-2021-02-20-59e9794c/src/radius/radius.h
+===================================================================
+--- hostapd-2021-02-20-59e9794c.orig/src/radius/radius.h
++++ hostapd-2021-02-20-59e9794c/src/radius/radius.h
+@@ -205,6 +205,10 @@ enum {
+ RADIUS_VENDOR_ATTR_WFA_HS20_T_C_URL = 10,
+ };
+
++#define RADIUS_VENDOR_ID_WISPR 14122
++#define RADIUS_WISPR_AV_BW_UP 7
++#define RADIUS_WISPR_AV_BW_DOWN 8
++
+ #ifdef _MSC_VER
+ #pragma pack(pop)
+ #endif /* _MSC_VER */
+@@ -277,6 +281,7 @@ radius_msg_get_ms_keys(struct radius_msg
+ struct radius_ms_mppe_keys *
+ radius_msg_get_cisco_keys(struct radius_msg *msg, struct radius_msg *sent_msg,
+ const u8 *secret, size_t secret_len);
++int radius_msg_get_wispr(struct radius_msg *msg, u32 *bandwidth);
+ int radius_msg_add_mppe_keys(struct radius_msg *msg,
+ const u8 *req_authenticator,
+ const u8 *secret, size_t secret_len,
+Index: hostapd-2021-02-20-59e9794c/src/ap/sta_info.c
+===================================================================
+--- hostapd-2021-02-20-59e9794c.orig/src/ap/sta_info.c
++++ hostapd-2021-02-20-59e9794c/src/ap/sta_info.c
+@@ -1292,7 +1292,7 @@ void ap_sta_set_authorized(struct hostap
+ MAC2STR(sta->addr), MAC2STR(dev_addr));
+ else
+ #endif /* CONFIG_P2P */
+- os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(sta->addr));
++ os_snprintf(buf, sizeof(buf), MACSTR " %d %d", MAC2STR(sta->addr), sta->bandwidth[0] / 1000, sta->bandwidth[1] / 1000);
+
+ if (hapd->sta_authorized_cb)
+ hapd->sta_authorized_cb(hapd->sta_authorized_cb_ctx,
--
2.25.1