X-Git-Url: https://git.distorted.org.uk/~mdw/hippotat/blobdiff_plain/c7fb640effd718bb66548327c4feddcc64416234..b8c38e6610bd82820e028e8b38e6275bb032bee1:/README.config

diff --git a/README.config b/README.config
index 881694f..2b58512 100644
--- a/README.config
+++ b/README.config
@@ -4,8 +4,8 @@ Sections
 
   [<servername> - <client>]
   [<client>]
-  [<servername>]      usually [SERVER]
-  [DEFAULT]
+  [<servername>]      often [SERVER]
+  [COMMON]
 
 Keys are looked up in that order, unless otherwise specified.
 <client> is the client's virtual address.
@@ -15,7 +15,7 @@ Exceptional settings:
 
   server
      Specifies <servername>.
-     Is looked up in [SERVER] and [DEFAULT] only.
+     Is looked up in [SERVER] and [COMMON] only.
      If not specified there, it is SERVER.
 
      Used by server to select the appropriate parts of the
@@ -42,9 +42,9 @@ Exceptional settings:
      Command to run to create and communicate with local network
      interface.  Passed to sh -c.  Must speak SLIP on stdin/stdout.
      The following additional interpolations aare substituted:
-                       %(local)s      %(peer)s       %(rnet)s
-          on server    <vaddr>        <vrelay>       <vnetwork>
-          on client    <client>       <vaddr>        <vroutes>
+                       %(local)s  %(peer)s  %(rnet)s    %(ifname)s
+          on server    <vaddr>    <vrelay>  <vnetwork>  <ifname_server>
+          on client    <client>   <vaddr>   <vroutes>   <ifname_client>
      ["userv root ipif %(local)s,%(peer)s,%(mtu)s,slip %(rnets)s"]
 
      On server: applies to all clients; not looked up in
@@ -54,14 +54,19 @@ Exceptional settings:
 Capped settings:
 
      Values in [<server> LIMIT] and [LIMIT] are a cap (maximum) on
-     those from the other sections (including DEFAULT).
+     those from the other sections (including COMMON).
 
   max_batch_down
      Size limit for response payloads (used by server only)
      [65536 bytes; LIMIT: 262144 bytes]
 
   max_queue_time
-     Discard downwards packets after this long (used by server only)
+     Discard packets after they have been queued this long waiting
+     for http.
+     On server: setting applies to downward packets, and is capped
+      by LIMIT values.
+     On client: setting applies to upward packets, and is
+      not affected by LIMIT values.
      [10 s; LIMIT: 121 s]
 
   http_timeout
@@ -109,7 +114,13 @@ Ordinary settings, used by both, not client-specific:
      On client: used only to construct default url.
 
   mtu
-     Must match exactly.  (checked) [1500 bytes]
+     Must match exactly.  (UNCHECKED) [1500 bytes]
+
+  ifname_server
+     Virtual interface name on the server.  [shippo%d]
+  ifname_client
+     Virtual interface name on the client.  [hippo%d]
+     Any %d is interpolated (by the kernel).
 
 Ordinary settings, used by client only: