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authorMicael Karlberg <[email protected]>2018-07-19 17:54:14 +0200
committerMicael Karlberg <[email protected]>2018-09-18 14:50:18 +0200
commit08ce39bbc2cd3006475c87807042c2d08a68736f (patch)
treed8d31294b97c2db2ec97629c698aa5dac07381af /erts/preloaded/src/socket.erl
parent6bb60f1fecef368991806e25a0022c63b8650f39 (diff)
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[socket-nif] Add support for socket (level sctp) option maxseg
Added support for the SCTP option MAXSEG. OTP-14831
Diffstat (limited to 'erts/preloaded/src/socket.erl')
-rw-r--r--erts/preloaded/src/socket.erl9
1 files changed, 6 insertions, 3 deletions
diff --git a/erts/preloaded/src/socket.erl b/erts/preloaded/src/socket.erl
index 0bc3ed8ec9..1c24c75dac 100644
--- a/erts/preloaded/src/socket.erl
+++ b/erts/preloaded/src/socket.erl
@@ -670,7 +670,7 @@
%% -define(SOCKET_OPT_SCTP_INITMSG, 18).
%% -define(SOCKET_OPT_SCTP_I_WANT_MAPPED_V4_ADDR, 19).
%% -define(SOCKET_OPT_SCTP_LOCAL_AUTH_CHUNKS, 20).
-%% -define(SOCKET_OPT_SCTP_MAXSEG, 21).
+-define(SOCKET_OPT_SCTP_MAXSEG, 21).
%% -define(SOCKET_OPT_SCTP_MAXBURST, 22).
-define(SOCKET_OPT_SCTP_NODELAY, 23).
%% -define(SOCKET_OPT_SCTP_PARTIAL_DELIVERY_POINT, 24).
@@ -2229,6 +2229,9 @@ enc_setopt_value(sctp, events, #{data_in := DataIn,
is_boolean(SndDry) andalso
(P =:= sctp) ->
V;
+enc_setopt_value(sctp, maxseg, V, _D, _T, P)
+ when is_integer(V) andalso (V >= 0) andalso (P =:= sctp) ->
+ V;
enc_setopt_value(sctp, nodelay, V, _D, _T, P)
when is_boolean(V) andalso (P =:= sctp) ->
V;
@@ -2676,8 +2679,8 @@ enc_sockopt_key(sctp = L, i_want_mapped_v4_addr = Opt, _Dir, _D, _T, _P) ->
not_supported({L, Opt});
enc_sockopt_key(sctp = L, local_auth_chunks = Opt, _Dir, _D, _T, _P) ->
not_supported({L, Opt});
-enc_sockopt_key(sctp = L, maxseg = Opt, _Dir, _D, _T, _P) ->
- not_supported({L, Opt});
+enc_sockopt_key(sctp = _L, maxseg = _Opt, _Dir, _D, _T, _P) ->
+ ?SOCKET_OPT_SCTP_MAXSEG;
enc_sockopt_key(sctp = L, maxburst = Opt, _Dir, _D, _T, _P) ->
not_supported({L, Opt});
enc_sockopt_key(sctp, nodelay = _Opt, _Dir, _D, _T, _P) ->