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-rw-r--r--erts/preloaded/src/socket.erl16
1 files changed, 13 insertions, 3 deletions
diff --git a/erts/preloaded/src/socket.erl b/erts/preloaded/src/socket.erl
index 41df672ef5..ead058c607 100644
--- a/erts/preloaded/src/socket.erl
+++ b/erts/preloaded/src/socket.erl
@@ -93,6 +93,7 @@
ip_mreq_source/0,
ip_pmtudisc/0,
ipv6_mreq/0,
+ ipv6_pmtudisc/0,
msg_hdr/0
@@ -164,6 +165,8 @@
-type ipv6_mreq() :: #{multiaddr := ip6_address(),
interface := non_neg_integer()}.
+-type ipv6_pmtudisc() :: ip_pmtudisc().
+
-type sockaddr_un() :: #{family := local,
path := binary() | string()}.
-type sockaddr_in4() :: #{family := inet,
@@ -587,7 +590,7 @@
%% -define(SOCKET_OPT_IPV6_JOIN_GROUP, 15).
%% -define(SOCKET_OPT_IPV6_LEAVE_GROUP, 16).
-define(SOCKET_OPT_IPV6_MTU, 17).
-%% -define(SOCKET_OPT_IPV6_MTU_DISCOVER, 18).
+-define(SOCKET_OPT_IPV6_MTU_DISCOVER, 18).
%% -define(SOCKET_OPT_IPV6_MULTICAST_HOPS, 19).
%% -define(SOCKET_OPT_IPV6_MULTICAST_IF, 20).
%% -define(SOCKET_OPT_IPV6_MULTICAST_LOOP, 21).
@@ -2107,6 +2110,13 @@ enc_setopt_value(ipv6, hoplimit, V, _D, T, _P)
V;
enc_setopt_value(ipv6, mtu, V, _D, _T, _P) when is_integer(V) ->
V;
+enc_setopt_value(ipv6, mtu_discover, V, _D, _T, _P)
+ when (V =:= want) orelse
+ (V =:= dont) orelse
+ (V =:= do) orelse
+ (V =:= probe) orelse
+ is_integer(V) ->
+ V;
enc_setopt_value(ipv6, v6only, V, _D, _T, _P) when is_boolean(V) ->
V;
enc_setopt_value(ipv6 = L, Opt, V, _D, _T, _P) ->
@@ -2462,8 +2472,8 @@ enc_sockopt_key(ipv6 = L, leave_group = Opt, _Dir, _D, _T, _P) ->
not_supported({L, Opt});
enc_sockopt_key(ipv6 = _L, mtu = _Opt, _Dir, _D, _T, _P) ->
?SOCKET_OPT_IPV6_MTU;
-enc_sockopt_key(ipv6 = L, mtu_discover = Opt, _Dir, _D, _T, _P) ->
- not_supported({L, Opt});
+enc_sockopt_key(ipv6 = _L, mtu_discover = _Opt, _Dir, _D, _T, _P) ->
+ ?SOCKET_OPT_IPV6_MTU_DISCOVER;
enc_sockopt_key(ipv6 = L, multicast_hops = Opt, _Dir, _D, _T, _P) ->
not_supported({L, Opt});
enc_sockopt_key(ipv6 = L, multicast_if = Opt, _Dir, _D, T, _P)