diff options
| -rw-r--r-- | chardev/char-socket.c | 13 | ||||
| -rw-r--r-- | chardev/char.c | 3 | ||||
| -rw-r--r-- | gdbstub.c | 2 | ||||
| -rw-r--r-- | qemu-options.hx | 14 |
4 files changed, 22 insertions, 10 deletions
diff --git a/chardev/char-socket.c b/chardev/char-socket.c index 06a37c0cc8..c8bced76b7 100644 --- a/chardev/char-socket.c +++ b/chardev/char-socket.c @@ -1472,8 +1472,17 @@ static void qemu_chr_parse_socket(QemuOpts *opts, ChardevBackend *backend, sock = backend->u.socket.data = g_new0(ChardevSocket, 1); qemu_chr_parse_common(opts, qapi_ChardevSocket_base(sock)); - sock->has_nodelay = qemu_opt_get(opts, "delay"); - sock->nodelay = !qemu_opt_get_bool(opts, "delay", true); + if (qemu_opt_get(opts, "delay") && qemu_opt_get(opts, "nodelay")) { + error_setg(errp, "'delay' and 'nodelay' are mutually exclusive"); + return; + } + sock->has_nodelay = + qemu_opt_get(opts, "delay") || + qemu_opt_get(opts, "nodelay"); + sock->nodelay = + !qemu_opt_get_bool(opts, "delay", true) || + qemu_opt_get_bool(opts, "nodelay", false); + /* * We have different default to QMP for 'server', hence * we can't just check for existence of 'server' diff --git a/chardev/char.c b/chardev/char.c index 288efebd12..97cafd6849 100644 --- a/chardev/char.c +++ b/chardev/char.c @@ -868,6 +868,9 @@ QemuOptsList qemu_chardev_opts = { .name = "delay", .type = QEMU_OPT_BOOL, },{ + .name = "nodelay", + .type = QEMU_OPT_BOOL, + },{ .name = "reconnect", .type = QEMU_OPT_NUMBER, },{ @@ -3505,7 +3505,7 @@ int gdbserver_start(const char *device) if (strstart(device, "tcp:", NULL)) { /* enforce required TCP attributes */ snprintf(gdbstub_device_name, sizeof(gdbstub_device_name), - "%s,wait=off,delay=off,server=on", device); + "%s,wait=off,nodelay=on,server=on", device); device = gdbstub_device_name; } #ifndef _WIN32 diff --git a/qemu-options.hx b/qemu-options.hx index 252db9357c..90801286c6 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -3033,7 +3033,7 @@ DEFHEADING(Character device options:) DEF("chardev", HAS_ARG, QEMU_OPTION_chardev, "-chardev help\n" "-chardev null,id=id[,mux=on|off][,logfile=PATH][,logappend=on|off]\n" - "-chardev socket,id=id[,host=host],port=port[,to=to][,ipv4=on|off][,ipv6=on|off][,delay=on|off][,reconnect=seconds]\n" + "-chardev socket,id=id[,host=host],port=port[,to=to][,ipv4=on|off][,ipv6=on|off][,nodelay=on|off][,reconnect=seconds]\n" " [,server=on|off][,wait=on|off][,telnet=on|off][,websocket=on|off][,reconnect=seconds][,mux=on|off]\n" " [,logfile=PATH][,logappend=on|off][,tls-creds=ID][,tls-authz=ID] (tcp)\n" "-chardev socket,id=id,path=path[,server=on|off][,wait=on|off][,telnet=on|off][,websocket=on|off][,reconnect=seconds]\n" @@ -3184,7 +3184,7 @@ The available backends are: TCP and unix socket options are given below: - ``TCP options: port=port[,host=host][,to=to][,ipv4=on|off][,ipv6=on|off][,delay=on|off]`` + ``TCP options: port=port[,host=host][,to=to][,ipv4=on|off][,ipv6=on|off][,nodelay=on|off]`` ``host`` for a listening socket specifies the local address to be bound. For a connecting socket species the remote host to connect to. ``host`` is optional for listening sockets. If not @@ -3204,7 +3204,7 @@ The available backends are: or IPv6 must be used. If neither is specified the socket may use either protocol. - ``delay=on|off`` disables the Nagle algorithm. + ``nodelay=on|off`` disables the Nagle algorithm. ``unix options: path=path[,abstract=on|off][,tight=on|off]`` ``path`` specifies the local path of the unix socket. ``path`` @@ -3593,13 +3593,13 @@ SRST ``telnet options:`` localhost 5555 - ``tcp:[host]:port[,server=on|off][,wait=on|off][,delay=on|off][,reconnect=seconds]`` + ``tcp:[host]:port[,server=on|off][,wait=on|off][,nodelay=on|off][,reconnect=seconds]`` The TCP Net Console has two modes of operation. It can send the serial I/O to a location or wait for a connection from a location. By default the TCP Net Console is sent to host at the port. If you use the ``server=on`` option QEMU will wait for a client socket application to connect to the port before continuing, - unless the ``wait=on|off`` option was specified. The ``delay=on|off`` + unless the ``wait=on|off`` option was specified. The ``nodelay=on|off`` option disables the Nagle buffering algorithm. The ``reconnect=on`` option only applies if ``server=no`` is set, if the connection goes down it will attempt to reconnect at the given interval. If host @@ -3616,7 +3616,7 @@ SRST ``Example to not wait and listen on ip 192.168.0.100 port 4444`` -serial tcp:192.168.0.100:4444,server=on,wait=off - ``telnet:host:port[,server=on|off][,wait=on|off][,delay=on|off]`` + ``telnet:host:port[,server=on|off][,wait=on|off][,nodelay=on|off]`` The telnet protocol is used instead of raw tcp sockets. The options work the same as if you had specified ``-serial tcp``. The difference is that the port acts like a telnet server or @@ -3626,7 +3626,7 @@ SRST you do it with Control-] and then type "send break" followed by pressing the enter key. - ``websocket:host:port,server=on[,wait=on|off][,delay=on|off]`` + ``websocket:host:port,server=on[,wait=on|off][,nodelay=on|off]`` The WebSocket protocol is used instead of raw tcp socket. The port acts as a WebSocket server. Client mode is not supported. |