[IPROUTE2] [PATCH] add missing underscore to man page and example nf_mark ematch

[Andy Furniss <adf.lists@gmail.com>]

The man page and the "fail" example are missing an underscore in the 
nf_mark ematch.

eg.

tc filter add dev eth0 parent ffff:  basic match 'meta(nfmark gt 24)' 
classid 2:4

meta: unknown meta id

... >>meta(nfmark gt 24)<< ...
... meta(>>nfmark<< gt 24)...
Usage: meta(OBJECT { eq | lt | gt } OBJECT)
where: OBJECT  := { META_ID | VALUE }
        META_ID := id [ shift SHIFT ] [ mask MASK ]

Example: meta(nfmark gt 24)
          meta(indev shift 1 eq "ppp")
          meta(tcindex mask 0xf0 eq 0xf0)

For a list of meta identifiers, use meta(list).
Illegal "ematch"

meta(list) does correctly show nf_mark and the above test works with 
nf_mark.

Signed-off-by: Andy Furniss adf.lists@gmail.com

diff --git a/man/man8/tc-ematch.8 b/man/man8/tc-ematch.8
index b9bf70c..4726673 100644
--- a/man/man8/tc-ematch.8
+++ b/man/man8/tc-ematch.8
@@ -113,7 +113,7 @@ The original interface (i.e. the device the packet 
arrived on) is treated as the

  # 'cmp(u16 at 3 layer 2 mask 0xff00 gt 20)'

-# 'meta(nfmark gt 24)' and 'meta(tcindex mask 0xf0 eq 0xf0)'
+# 'meta(nf_mark gt 24)' and 'meta(tcindex mask 0xf0 eq 0xf0)'

  # 'nbyte("ababa" at 12 layer 1)'

diff --git a/tc/em_meta.c b/tc/em_meta.c
index fad6b12..b64f333 100644
--- a/tc/em_meta.c
+++ b/tc/em_meta.c
@@ -32,7 +32,7 @@ static void meta_print_usage(FILE *fd)
             "where: OBJECT  := { META_ID | VALUE }\n" \
             "       META_ID := id [ shift SHIFT ] [ mask MASK ]\n" \
             "\n" \
-           "Example: meta(nfmark gt 24)\n" \
+           "Example: meta(nf_mark gt 24)\n" \
             "         meta(indev shift 1 eq \"ppp\")\n" \
             "         meta(tcindex mask 0xf0 eq 0xf0)\n" \
             "\n" \