This workaround avoids the kernel trigger ENOBUFS when the kernel
internal queue is overrun with events of disconnectingh clients or
similar. This is a workaround until we come up with a more permanent
solution.
Signed-off-by: Arne Schwabe <a...@rfc2549.org>
---
src/openvpn/dco_linux.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/openvpn/dco_linux.c b/src/openvpn/dco_linux.c
index 5524cdbcd..c84f9cfe1 100644
--- a/src/openvpn/dco_linux.c
+++ b/src/openvpn/dco_linux.c
@@ -375,6 +375,11 @@ ovpn_dco_init_netlink(dco_context_t *dco)
* wrong sequence numbers (NLE_SEQ_MISMATCH), so disable libnl's sequence
* number check */
nl_socket_disable_seq_check(dco->nl_sock);
+
+ /* nl library sets the buffer size to 32k/32k by default which is sometimes
+ * overrun with very fast connecting/disconnecting clients.
+ * TODO: fix this in a better and more reliable way */
+ ASSERT(!nl_socket_set_buffer_size(dco->nl_sock, 1024*1024, 1024*1024));
}
bool
--
2.37.1 (Apple Git-137.1)
_______________________________________________
Openvpn-devel mailing list
Openvpn-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/openvpn-devel
