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220 lines
8.0 KiB
Diff
220 lines
8.0 KiB
Diff
From 90fe6429624fc48bc0e5d2d7eeecb7498708b5e3 Mon Sep 17 00:00:00 2001
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From: Daniel Golle <daniel@makrotopia.org>
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Date: Wed, 18 Apr 2018 19:24:31 +0200
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Subject: [PATCH 18/18] mesh: make forwarding configurable
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Allow mesh_fwding to be specified in a mesh bss config, pass that
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to the driver (only nl80211 implemented for now) and announce
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forwarding capability accordingly.
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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---
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src/ap/ap_config.h | 2 ++
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src/drivers/driver.h | 2 ++
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src/drivers/driver_nl80211.c | 3 +++
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wpa_supplicant/config.c | 4 ++++
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wpa_supplicant/config.h | 9 +++++++++
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wpa_supplicant/config_file.c | 4 ++++
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wpa_supplicant/config_ssid.h | 5 +++++
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wpa_supplicant/mesh.c | 6 ++++++
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wpa_supplicant/mesh_mpm.c | 4 ++--
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wpa_supplicant/wpa_supplicant.conf | 3 +++
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10 files changed, 40 insertions(+), 2 deletions(-)
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--- a/src/ap/ap_config.h
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+++ b/src/ap/ap_config.h
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@@ -51,6 +51,7 @@ struct mesh_conf {
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int dot11MeshRetryTimeout; /* msec */
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int dot11MeshConfirmTimeout; /* msec */
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int dot11MeshHoldingTimeout; /* msec */
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+ int mesh_fwding;
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};
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#define MAX_STA_COUNT 2007
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@@ -666,6 +667,7 @@ struct hostapd_bss_config {
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#define MESH_ENABLED BIT(0)
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int mesh;
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+ int mesh_fwding;
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u8 radio_measurements[RRM_CAPABILITIES_IE_LEN];
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--- a/src/drivers/driver.h
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+++ b/src/drivers/driver.h
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@@ -1450,6 +1450,7 @@ struct wpa_driver_mesh_bss_params {
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#define WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS 0x00000004
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#define WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE 0x00000008
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#define WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD 0x00000010
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+#define WPA_DRIVER_MESH_CONF_FLAG_FORWARDING 0x00000020
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/*
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* TODO: Other mesh configuration parameters would go here.
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* See NL80211_MESHCONF_* for all the mesh config parameters.
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@@ -1459,6 +1460,7 @@ struct wpa_driver_mesh_bss_params {
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int peer_link_timeout;
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int max_peer_links;
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int rssi_threshold;
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+ int forwarding;
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u16 ht_opmode;
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};
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--- a/src/drivers/driver_nl80211.c
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+++ b/src/drivers/driver_nl80211.c
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@@ -9592,6 +9592,9 @@ static int nl80211_put_mesh_config(struc
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if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
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nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
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params->auto_plinks)) ||
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+ ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_FORWARDING) &&
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+ nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
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+ params->forwarding)) ||
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((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
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nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
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params->max_peer_links)) ||
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--- a/wpa_supplicant/config.c
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+++ b/wpa_supplicant/config.c
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@@ -2307,6 +2307,7 @@ static const struct parse_data ssid_fiel
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#ifdef CONFIG_MESH
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{ INT_RANGE(mode, 0, 5) },
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{ INT_RANGE(no_auto_peer, 0, 1) },
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+ { INT_RANGE(mesh_fwding, 0, 1) },
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{ INT_RANGE(mesh_rssi_threshold, -255, 1) },
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#else /* CONFIG_MESH */
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{ INT_RANGE(mode, 0, 4) },
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@@ -2869,6 +2870,7 @@ void wpa_config_set_network_defaults(str
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ssid->dot11MeshRetryTimeout = DEFAULT_MESH_RETRY_TIMEOUT;
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ssid->dot11MeshConfirmTimeout = DEFAULT_MESH_CONFIRM_TIMEOUT;
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ssid->dot11MeshHoldingTimeout = DEFAULT_MESH_HOLDING_TIMEOUT;
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+ ssid->mesh_fwding = DEFAULT_MESH_FWDING;
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ssid->mesh_rssi_threshold = DEFAULT_MESH_RSSI_THRESHOLD;
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#endif /* CONFIG_MESH */
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#ifdef CONFIG_HT_OVERRIDES
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@@ -4089,6 +4091,7 @@ struct wpa_config * wpa_config_alloc_emp
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config->user_mpm = DEFAULT_USER_MPM;
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config->max_peer_links = DEFAULT_MAX_PEER_LINKS;
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config->mesh_max_inactivity = DEFAULT_MESH_MAX_INACTIVITY;
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+ config->mesh_fwding = DEFAULT_MESH_FWDING;
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config->dot11RSNASAERetransPeriod =
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DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD;
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config->fast_reauth = DEFAULT_FAST_REAUTH;
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@@ -4726,6 +4729,7 @@ static const struct global_parse_data gl
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{ INT(user_mpm), 0 },
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{ INT_RANGE(max_peer_links, 0, 255), 0 },
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{ INT(mesh_max_inactivity), 0 },
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+ { INT_RANGE(mesh_fwding, 0, 1), 0 },
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{ INT(dot11RSNASAERetransPeriod), 0 },
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#endif /* CONFIG_MESH */
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{ INT(disable_scan_offload), 0 },
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--- a/wpa_supplicant/config.h
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+++ b/wpa_supplicant/config.h
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@@ -18,6 +18,7 @@
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#define DEFAULT_USER_MPM 1
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#define DEFAULT_MAX_PEER_LINKS 99
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#define DEFAULT_MESH_MAX_INACTIVITY 300
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+#define DEFAULT_MESH_FWDING 1
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/*
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* The default dot11RSNASAERetransPeriod is defined as 40 ms in the standard,
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* but use 1000 ms in practice to avoid issues on low power CPUs.
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@@ -1327,6 +1328,14 @@ struct wpa_config {
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int mesh_max_inactivity;
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/**
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+ * mesh_fwding - Mesh network layer-2 forwarding
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+ *
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+ * This controls whether to enable layer-2 forwarding.
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+ * By default: 1: enabled
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+ */
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+ int mesh_fwding;
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+
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+ /**
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* dot11RSNASAERetransPeriod - Timeout to retransmit SAE Auth frame
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*
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* This timeout value is used in mesh STA to retransmit
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--- a/wpa_supplicant/config_file.c
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+++ b/wpa_supplicant/config_file.c
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@@ -829,6 +829,7 @@ static void wpa_config_write_network(FIL
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#endif /* IEEE8021X_EAPOL */
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INT(mode);
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INT(no_auto_peer);
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+ INT(mesh_fwding);
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INT(frequency);
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INT(fixed_freq);
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#ifdef CONFIG_ACS
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@@ -1472,6 +1473,9 @@ static void wpa_config_write_global(FILE
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fprintf(f, "mesh_max_inactivity=%d\n",
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config->mesh_max_inactivity);
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+ if (config->mesh_fwding != DEFAULT_MESH_FWDING)
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+ fprintf(f, "mesh_fwding=%d\n", config->mesh_fwding);
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+
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if (config->dot11RSNASAERetransPeriod !=
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DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD)
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fprintf(f, "dot11RSNASAERetransPeriod=%d\n",
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--- a/wpa_supplicant/config_ssid.h
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+++ b/wpa_supplicant/config_ssid.h
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@@ -516,6 +516,11 @@ struct wpa_ssid {
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int dot11MeshConfirmTimeout; /* msec */
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int dot11MeshHoldingTimeout; /* msec */
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+ /**
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+ * Mesh network layer-2 forwarding
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+ */
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+ int mesh_fwding;
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+
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int ht;
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int ht40;
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--- a/wpa_supplicant/mesh.c
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+++ b/wpa_supplicant/mesh.c
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@@ -126,6 +126,7 @@ static struct mesh_conf * mesh_config_cr
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conf->mesh_cc_id = 0;
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conf->mesh_sp_id = MESH_SYNC_METHOD_NEIGHBOR_OFFSET;
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conf->mesh_auth_id = (conf->security & MESH_CONF_SEC_AUTH) ? 1 : 0;
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+ conf->mesh_fwding = ssid->mesh_fwding;
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conf->dot11MeshMaxRetries = ssid->dot11MeshMaxRetries;
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conf->dot11MeshRetryTimeout = ssid->dot11MeshRetryTimeout;
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conf->dot11MeshConfirmTimeout = ssid->dot11MeshConfirmTimeout;
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@@ -328,6 +329,7 @@ static int wpa_supplicant_mesh_init(stru
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bss->conf->start_disabled = 1;
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bss->conf->mesh = MESH_ENABLED;
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bss->conf->ap_max_inactivity = wpa_s->conf->mesh_max_inactivity;
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+ bss->conf->mesh_fwding = wpa_s->conf->mesh_fwding;
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if (ieee80211_is_dfs(ssid->frequency, wpa_s->hw.modes,
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wpa_s->hw.num_modes) && wpa_s->conf->country[0]) {
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@@ -549,6 +551,10 @@ int wpa_supplicant_join_mesh(struct wpa_
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}
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params->conf.peer_link_timeout = wpa_s->conf->mesh_max_inactivity;
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+ /* always explicitely set forwarding to on or off for now */
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+ params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_FORWARDING;
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+ params->conf.forwarding = ssid->mesh_fwding;
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+
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os_free(wpa_s->mesh_params);
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wpa_s->mesh_params = params;
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if (wpa_supplicant_mesh_init(wpa_s, ssid, ¶ms->freq)) {
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--- a/wpa_supplicant/mesh_mpm.c
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+++ b/wpa_supplicant/mesh_mpm.c
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@@ -305,9 +305,9 @@ static void mesh_mpm_send_plink_action(s
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info = (bss->num_plinks > 63 ? 63 : bss->num_plinks) << 1;
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/* TODO: Add Connected to Mesh Gate/AS subfields */
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wpabuf_put_u8(buf, info);
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- /* always forwarding & accepting plinks for now */
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+ /* set forwarding & always accepting plinks for now */
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wpabuf_put_u8(buf, MESH_CAP_ACCEPT_ADDITIONAL_PEER |
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- MESH_CAP_FORWARDING);
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+ (conf->mesh_fwding ? MESH_CAP_FORWARDING : 0));
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} else { /* Peer closing frame */
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/* IE: Mesh ID */
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wpabuf_put_u8(buf, WLAN_EID_MESH_ID);
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--- a/wpa_supplicant/wpa_supplicant.conf
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+++ b/wpa_supplicant/wpa_supplicant.conf
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@@ -153,6 +153,9 @@ ap_scan=1
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# This timeout value is used in mesh STA to clean up inactive stations.
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#mesh_max_inactivity=300
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+# Enable 802.11s layer-2 routing and forwarding
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+#mesh_fwding=1
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+
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# cert_in_cb - Whether to include a peer certificate dump in events
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# This controls whether peer certificates for authentication server and
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# its certificate chain are included in EAP peer certificate events. This is
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