X-Git-Url: http://www.git.cypherpunks.ru/?p=nncp.git;a=blobdiff_plain;f=doc%2Fniceness.texi;h=8786d3244760af95ce8cab042c00d8bdd98a9662;hp=b0f99e9cc206818526090ba07ada52cc5afaedd6;hb=203dfe36da7adf2b3089e4fa4017a67409cbad70;hpb=b711e2e5767124b1d12fd548ad9605d77c0edbb6

diff --git a/doc/niceness.texi b/doc/niceness.texi
index b0f99e9..8786d32 100644
--- a/doc/niceness.texi
+++ b/doc/niceness.texi
@@ -1,4 +1,6 @@
 @node Niceness
+@cindex niceness
+@cindex priority
 @unnumbered Niceness
 
 Each transmitted packet has niceness level, as Unix has @command{nice}
@@ -6,10 +8,44 @@ command for controlling processes priority. Higher nicer level means
 that packet is "nicer" and allows other to bypass him -- that means
 lower transmission precedence.
 
-Send big files with higher nicer level! That will guarantee you that
+Send big files with higher nice level! That will guarantee you that
 higher priority packets, like mail messages, will pass first, even when
-lower priority packet was already been partly downloaded.
+lower priority packet was already been partially downloaded.
 
 There are default niceness levels built-in for @ref{nncp-exec},
 @ref{nncp-file} and @ref{nncp-freq} commands. But pay attention that it
 can give information about underlying payload to the adversary!
+
+There are 1-255 niceness levels. They could be specified either as
+integer, or using aliases with delta modifiers:
+
+@table @emph
+@vindex FLASH
+@item FLASH (F)
+Urgent priority.
+@vindex PRIORITY
+@item PRIORITY (P)
+High priority. Command execution/mail use that priority by default.
+@vindex NORMAL
+@item NORMAL (N)
+Normal priority. File requests use that priority by default.
+@vindex BULK
+@item BULK (B)
+Bundles shipped on a "least effort" basis. File transmission use that
+priority by default.
+@end table
+
+@verbatim
+ 1: F-31   65: P-31  129: N-31  193: B-31
+ 2: F-30   66: P-30  130: N-30  194: B-30
+    ...        ...        ...        ...
+32: F      96: P     160: N     224: B
+33: F+1    97: P+1   161: N+1   225: B+1
+34: F+2    98: P+2   162: N+2   226: B+2
+    ...        ...        ...        ...
+64: F+32  128: P+32  192: N+32  255: B+31 | MAX
+@end verbatim
+
+Precedence could be specified both with single-letter aliases and with
+whole strings. They are case insensitive. @emph{MAX} is an alias for 255
+niceness level.