From ae92cbd542086a508343dd88fd3b980f3be1b3af Mon Sep 17 00:00:00 2001
From: Jing Liu
Date: Fri, 23 Sep 2016 08:06:11 +0200
Subject: chardev: Basic support for TN3270

This introduces basic support for TN3270, which needs to negotiate
three Telnet options during handshake:
  - End of Record
  - Binary Transmission
  - Terminal-Type

As a basic implementation, this simply ignores NOP and Interrupt
Process(IP) commands. More work should be done for them later.

For more details, please refer to RFC 854 and 1576.

Signed-off-by: Jing Liu <liujbjl@linux.vnet.ibm.com>
Signed-off-by: Yang Chen <bjcyang@linux.vnet.ibm.com>
Reviewed-by: QingFeng Hao <haoqf@linux.vnet.ibm.com>
Acked-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 qapi-schema.json | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'qapi-schema.json')

diff --git a/qapi-schema.json b/qapi-schema.json
index 01b087fa16..5bb8cb79fb 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -4877,6 +4877,8 @@
 # @nodelay: set TCP_NODELAY socket option (default: false)
 # @telnet: enable telnet protocol on server
 #          sockets (default: false)
+# @tn3270: enable tn3270 protocol on server
+#          sockets (default: false) (Since: 2.10)
 # @reconnect: For a client socket, if a socket is disconnected,
 #          then attempt a reconnect after the given number of seconds.
 #          Setting this to zero disables this function. (default: 0)
@@ -4890,6 +4892,7 @@
                                      '*wait'      : 'bool',
                                      '*nodelay'   : 'bool',
                                      '*telnet'    : 'bool',
+                                     '*tn3270'    : 'bool',
                                      '*reconnect' : 'int' },
   'base': 'ChardevCommon' }
 
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