5d2b577a53
You shouldn't need the overhead of GRE just to add multicast
capability on a point-to-point interface (for instance, you might
want to run mDNS over IPsec transport connections, and Avahi
requires IFF_MULTICAST be set on interfaces, even point-to-point
ones).
Borrowed heavily from:
b3c9321b9e gre: Support multicast configurable gre interfaces
Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
73 lines
1.3 KiB
Bash
Executable File
73 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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[ -n "$INCLUDE_ONLY" ] || {
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. /lib/functions.sh
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. /lib/functions/network.sh
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. ../netifd-proto.sh
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init_proto "$@"
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}
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proto_xfrm_setup() {
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local cfg="$1"
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local mode="xfrm"
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local tunlink ifid mtu zone multicast
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json_get_vars tunlink ifid mtu zone multicast
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[ -z "$tunlink" ] && {
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proto_notify_error "$cfg" NO_TUNLINK
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proto_block_restart "$cfg"
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exit
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}
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[ -z "$ifid" ] && {
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proto_notify_error "$cfg" NO_IFID
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proto_block_restart "$cfg"
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exit
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}
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( proto_add_host_dependency "$cfg" '' "$tunlink" )
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proto_init_update "$cfg" 1
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proto_add_tunnel
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json_add_string mode "$mode"
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json_add_int mtu "${mtu:-1280}"
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json_add_string link "$tunlink"
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json_add_boolean multicast "${multicast:-1}"
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json_add_object 'data'
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[ -n "$ifid" ] && json_add_int ifid "$ifid"
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json_close_object
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proto_close_tunnel
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proto_add_data
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[ -n "$zone" ] && json_add_string zone "$zone"
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proto_close_data
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proto_send_update "$cfg"
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}
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proto_xfrm_teardown() {
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local cfg="$1"
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}
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proto_xfrm_init_config() {
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no_device=1
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available=1
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proto_config_add_int "mtu"
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proto_config_add_string "tunlink"
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proto_config_add_string "zone"
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proto_config_add_int "ifid"
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proto_config_add_boolean "multicast"
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}
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[ -n "$INCLUDE_ONLY" ] || {
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[ -f /lib/modules/$(uname -r)/xfrm_interface.ko -o -d /sys/module/xfrm_interface ] && add_protocol xfrm
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}
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