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WSAGetRecvIPEcn function (ws2tcpip.h)
Queries the current enablement of receiving the IP_ECN (or IPV6_ECN) control message via LPFN_WSARECVMSG (WSARecvMsg). See WSASetRecvIPEcn for more info.
For more info, and code examples, see Winsock explicit congestion notification (ECN).
Syntax
INT WSAGetRecvIPEcn(
SOCKET Socket,
DWORD *Enabled
);
Parameters
Socket
Type: _In_ SOCKET
A descriptor that identifies the socket.
Enabled
Type: _Out_ DWORD*
TRUE if the receipt of ECN codepoints is enabled; otherwise, FALSE.
Return value
If the function succeeds, then the return value is 0. Otherwise, a value of SOCKET_ERROR is returned, and you can retreive a specific error code by calling WSAGetLastError.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 10 Build 20348 |
| Minimum supported server | Windows 10 Build 20348 |
| Header | ws2tcpip.h |
See also
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