From a2e8cd75dbf6196f9408165e2e5f56c84fa37ca3 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 19 Dec 2022 18:15:01 +0100 Subject: wireless: add support for disabling multicast-to-unicast per virtual interface Signed-off-by: Felix Fietkau --- wireless.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'wireless.c') diff --git a/wireless.c b/wireless.c index 118f5a7..705d6dd 100644 --- a/wireless.c +++ b/wireless.c @@ -65,6 +65,7 @@ enum { VIF_ATTR_ISOLATE, VIF_ATTR_MODE, VIF_ATTR_PROXYARP, + VIF_ATTR_MCAST_TO_UCAST, __VIF_ATTR_MAX, }; @@ -74,6 +75,7 @@ static const struct blobmsg_policy vif_policy[__VIF_ATTR_MAX] = { [VIF_ATTR_ISOLATE] = { .name = "isolate", .type = BLOBMSG_TYPE_BOOL }, [VIF_ATTR_MODE] = { .name = "mode", .type = BLOBMSG_TYPE_STRING }, [VIF_ATTR_PROXYARP] = { .name = "proxy_arp", .type = BLOBMSG_TYPE_BOOL }, + [VIF_ATTR_MCAST_TO_UCAST] = { .name = "multicast_to_unicast", .type = BLOBMSG_TYPE_BOOL }, }; static const struct uci_blob_param_list vif_param = { @@ -85,6 +87,7 @@ enum { VLAN_ATTR_DISABLED, VLAN_ATTR_NETWORK, VLAN_ATTR_ISOLATE, + VLAN_ATTR_MCAST_TO_UCAST, __VLAN_ATTR_MAX, }; @@ -92,6 +95,7 @@ static const struct blobmsg_policy vlan_policy[__VLAN_ATTR_MAX] = { [VLAN_ATTR_DISABLED] = { .name = "disabled", .type = BLOBMSG_TYPE_BOOL }, [VLAN_ATTR_NETWORK] = { .name = "network", .type = BLOBMSG_TYPE_ARRAY }, [VLAN_ATTR_ISOLATE] = { .name = "isolate", .type = BLOBMSG_TYPE_BOOL }, + [VLAN_ATTR_MCAST_TO_UCAST] = { .name = "multicast_to_unicast", .type = BLOBMSG_TYPE_BOOL }, }; static const struct uci_blob_param_list vlan_param = { @@ -315,6 +319,17 @@ wireless_device_free_state(struct wireless_device *wdev) } } +static void wireless_device_set_mcast_to_unicast(struct device *dev, int val) +{ + if (val < 0) { + dev->settings.flags &= ~DEV_OPT_MULTICAST_TO_UNICAST; + return; + } + + dev->settings.multicast_to_unicast = !!val; + dev->settings.flags |= DEV_OPT_MULTICAST_TO_UNICAST; +} + static void wireless_interface_handle_link(struct wireless_interface *vif, const char *ifname, bool up) { struct interface *iface; @@ -336,6 +351,7 @@ static void wireless_interface_handle_link(struct wireless_interface *vif, const dev->wireless_proxyarp = vif->proxyarp; dev->wireless = true; dev->wireless_ap = vif->ap_mode; + wireless_device_set_mcast_to_unicast(dev, vif->multicast_to_unicast); dev->bpdu_filter = dev->wireless_ap; } } @@ -368,6 +384,7 @@ static void wireless_vlan_handle_link(struct wireless_vlan *vlan, bool up) dev->wireless = true; dev->wireless_ap = true; dev->bpdu_filter = true; + wireless_device_set_mcast_to_unicast(dev, vlan->multicast_to_unicast); } } @@ -811,6 +828,9 @@ wireless_interface_init_config(struct wireless_interface *vif) cur = tb[VIF_ATTR_PROXYARP]; vif->proxyarp = vif->ap_mode && cur && blobmsg_get_bool(cur); + + cur = tb[VIF_ATTR_MCAST_TO_UCAST]; + vif->multicast_to_unicast = cur ? blobmsg_get_bool(cur) : -1; } /* vlist update call for wireless interface list */ @@ -873,6 +893,9 @@ wireless_vlan_init_config(struct wireless_vlan *vlan) cur = tb[VLAN_ATTR_ISOLATE]; if (cur) vlan->isolate = blobmsg_get_bool(cur); + + cur = tb[VLAN_ATTR_MCAST_TO_UCAST]; + vlan->multicast_to_unicast = cur ? blobmsg_get_bool(cur) : -1; } /* vlist update call for vlan list */ -- cgit v1.2.1