Update man pages

doc/h2load.1

 .\" Man page generated from reStructuredText.
 .
-.TH "H2LOAD" "1" "Aug 25, 2016" "1.14.0" "nghttp2"
+.TH "H2LOAD" "1" "Sep 10, 2016" "1.15.0-DEV" "nghttp2"
 .SH NAME
 h2load \- HTTP/2 benchmarking tool
 .

doc/nghttp.1

 .\" Man page generated from reStructuredText.
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-.TH "NGHTTP" "1" "Aug 25, 2016" "1.14.0" "nghttp2"
+.TH "NGHTTP" "1" "Sep 10, 2016" "1.15.0-DEV" "nghttp2"
 .SH NAME
 nghttp \- HTTP/2 client
 .

doc/nghttpd.1

 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTPD" "1" "Aug 25, 2016" "1.14.0" "nghttp2"
+.TH "NGHTTPD" "1" "Sep 10, 2016" "1.15.0-DEV" "nghttp2"
 .SH NAME
 nghttpd \- HTTP/2 server
 .

doc/nghttpx.1

 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTPX" "1" "Aug 25, 2016" "1.14.0" "nghttp2"
+.TH "NGHTTPX" "1" "Sep 10, 2016" "1.15.0-DEV" "nghttp2"
 .SH NAME
 nghttpx \- HTTP/2 proxy
 .
@@ -800,37 +800,36 @@ Default: \fB100\fP
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-\-frontend\-http2\-window\-bits=<N>
-Sets the  per\-stream initial window size  of HTTP/2 SPDY
-frontend connection.  For HTTP/2,  the size is 2**<N>\-1.
-For SPDY, the size is 2**<N>.
+.B \-\-frontend\-http2\-window\-size=<SIZE>
+Sets the  per\-stream initial  window size of  HTTP/2 and
+SPDY frontend connection.
 .sp
-Default: \fB16\fP
+Default: \fB65535\fP
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-\-frontend\-http2\-connection\-window\-bits=<N>
+.B \-\-frontend\-http2\-connection\-window\-size=<SIZE>
 Sets the  per\-connection window size of  HTTP/2 and SPDY
-frontend   connection.    For   HTTP/2,  the   size   is
-2**<N>\-1. For SPDY, the size is 2**<N>.
+frontend  connection.  For  SPDY  connection, the  value
+less than 64KiB is rounded up to 64KiB.
 .sp
-Default: \fB16\fP
+Default: \fB65535\fP
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-\-backend\-http2\-window\-bits=<N>
+.B \-\-backend\-http2\-window\-size=<SIZE>
 Sets  the   initial  window   size  of   HTTP/2  backend
-connection to 2**<N>\-1.
+connection.
 .sp
-Default: \fB16\fP
+Default: \fB65535\fP
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-\-backend\-http2\-connection\-window\-bits=<N>
+.B \-\-backend\-http2\-connection\-window\-size=<SIZE>
 Sets the  per\-connection window  size of  HTTP/2 backend
-connection to 2**<N>\-1.
+connection.
 .sp
-Default: \fB30\fP
+Default: \fB2147483647\fP
 .UNINDENT
 .INDENT 0.0
 .TP
@@ -856,6 +855,33 @@ backend session is relayed  to frontend, and server push
 via Link header field  is also supported.  SPDY frontend
 does not support server push.
 .UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-frontend\-http2\-optimize\-write\-buffer\-size
+(Experimental) Enable write  buffer size optimization in
+frontend HTTP/2 TLS  connection.  This optimization aims
+to reduce  write buffer  size so  that it  only contains
+bytes  which can  send immediately.   This makes  server
+more responsive to prioritized HTTP/2 stream because the
+buffering  of lower  priority stream  is reduced.   This
+option is only effective on recent Linux platform.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-frontend\-http2\-optimize\-window\-size
+(Experimental)   Automatically  tune   connection  level
+window size of frontend  HTTP/2 TLS connection.  If this
+feature is  enabled, connection window size  starts with
+the   default  window   size,   65535  bytes.    nghttpx
+automatically  adjusts connection  window size  based on
+TCP receiving  window size.  The maximum  window size is
+capped      by      the     value      specified      by
+\fI\%\-\-frontend\-http2\-connection\-window\-size\fP\&.     Since   the
+stream is subject to stream level window size, it should
+be adjusted using \fI\%\-\-frontend\-http2\-window\-size\fP option as
+well.   This option  is only  effective on  recent Linux
+platform.
+.UNINDENT
 .SS Mode
 .INDENT 0.0
 .TP
@@ -1129,6 +1155,20 @@ originally  generates  HTTP  error status  code  <CODE>.
 HTTP  status  code.  If  error  status  code comes  from
 backend server, the custom error pages are not used.
 .UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-server\-name=<NAME>
+Change server response header field value to <NAME>.
+.sp
+Default: \fBnghttpx nghttp2/1.15.0\-DEV\fP
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-no\-server\-rewrite
+Don\(aqt rewrite server header field in default mode.  When
+\fI\%\-\-http2\-proxy\fP is used, these headers will not be altered
+regardless of this option.
+.UNINDENT
 .SS API
 .INDENT 0.0
 .TP
@@ -1538,6 +1578,11 @@ connection from client.
 .B attribute [R] tls_used
 Return true if TLS is used on the connection.
 .UNINDENT
+.INDENT 7.0
+.TP
+.B attribute [R] tls_sni
+Return the TLS SNI value which client sent in this connection.
+.UNINDENT
 .UNINDENT
 .INDENT 0.0
 .TP

doc/nghttpx.1.rst

@@ -729,35 +729,34 @@ HTTP/2 and SPDY
 
     Default: ``100``
 
-.. option:: --frontend-http2-window-bits=<N>
+.. option:: --frontend-http2-window-size=<SIZE>
 
-    Sets the  per-stream initial window size  of HTTP/2 SPDY
-    frontend connection.  For HTTP/2,  the size is 2\*\*<N>-1.
-    For SPDY, the size is 2\*\*<N>.
+    Sets the  per-stream initial  window size of  HTTP/2 and
+    SPDY frontend connection.
 
-    Default: ``16``
+    Default: ``65535``
 
-.. option:: --frontend-http2-connection-window-bits=<N>
+.. option:: --frontend-http2-connection-window-size=<SIZE>
 
     Sets the  per-connection window size of  HTTP/2 and SPDY
-    frontend   connection.    For   HTTP/2,  the   size   is
-    2**<N>-1. For SPDY, the size is 2\*\*<N>.
+    frontend  connection.  For  SPDY  connection, the  value
+    less than 64KiB is rounded up to 64KiB.
 
-    Default: ``16``
+    Default: ``65535``
 
-.. option:: --backend-http2-window-bits=<N>
+.. option:: --backend-http2-window-size=<SIZE>
 
     Sets  the   initial  window   size  of   HTTP/2  backend
-    connection to 2\*\*<N>-1.
+    connection.
 
-    Default: ``16``
+    Default: ``65535``
 
-.. option:: --backend-http2-connection-window-bits=<N>
+.. option:: --backend-http2-connection-window-size=<SIZE>
 
     Sets the  per-connection window  size of  HTTP/2 backend
-    connection to 2\*\*<N>-1.
+    connection.
 
-    Default: ``30``
+    Default: ``2147483647``
 
 .. option:: --http2-no-cookie-crumbling
 
@@ -780,6 +779,31 @@ HTTP/2 and SPDY
     via Link header field  is also supported.  SPDY frontend
     does not support server push.
 
+.. option:: --frontend-http2-optimize-write-buffer-size
+
+    (Experimental) Enable write  buffer size optimization in
+    frontend HTTP/2 TLS  connection.  This optimization aims
+    to reduce  write buffer  size so  that it  only contains
+    bytes  which can  send immediately.   This makes  server
+    more responsive to prioritized HTTP/2 stream because the
+    buffering  of lower  priority stream  is reduced.   This
+    option is only effective on recent Linux platform.
+
+.. option:: --frontend-http2-optimize-window-size
+
+    (Experimental)   Automatically  tune   connection  level
+    window size of frontend  HTTP/2 TLS connection.  If this
+    feature is  enabled, connection window size  starts with
+    the   default  window   size,   65535  bytes.    nghttpx
+    automatically  adjusts connection  window size  based on
+    TCP receiving  window size.  The maximum  window size is
+    capped      by      the     value      specified      by
+    :option:`--frontend-http2-connection-window-size`\.     Since   the
+    stream is subject to stream level window size, it should
+    be adjusted using :option:`--frontend-http2-window-size` option as
+    well.   This option  is only  effective on  recent Linux
+    platform.
+
 
 Mode
 ~~~~
@@ -1019,6 +1043,18 @@ HTTP
     HTTP  status  code.  If  error  status  code comes  from
     backend server, the custom error pages are not used.
 
+.. option:: --server-name=<NAME>
+
+    Change server response header field value to <NAME>.
+
+    Default: ``nghttpx nghttp2/1.15.0-DEV``
+
+.. option:: --no-server-rewrite
+
+    Don't rewrite server header field in default mode.  When
+    :option:`--http2-proxy` is used, these headers will not be altered
+    regardless of this option.
+
 
 API
 ~~~
@@ -1409,6 +1445,10 @@ respectively.
 
         Return true if TLS is used on the connection.
 
+    .. rb:attr_reader:: tls_sni
+
+        Return the TLS SNI value which client sent in this connection.
+
 .. rb:class:: Request
 
     Object to represent request from client.  The modification to