netdev - [PATCH iproute2 2/2] man: tc-ematch.8: documented canid() ematch rule

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Date:   Thu, 14 Nov 2019 13:22:36 -0500
From:   Roman Mashak <mrv@...atatu.com>
To:     stephen@...workplumber.org
Cc:     netdev@...r.kernel.org, kernel@...atatu.com, jhs@...atatu.com,
        xiyou.wangcong@...il.com, jiri@...nulli.us,
        Roman Mashak <mrv@...atatu.com>
Subject: [PATCH iproute2 2/2] man: tc-ematch.8: documented canid() ematch rule

tc-ematch.8 was missing the description of canid() ematch rule, so document
this.

Signed-off-by: Roman Mashak <mrv@...atatu.com>
---
 man/man8/tc-ematch.8 | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/man/man8/tc-ematch.8 b/man/man8/tc-ematch.8
index 4c97044a03db..3df870f03ef4 100644
--- a/man/man8/tc-ematch.8
+++ b/man/man8/tc-ematch.8
@@ -109,6 +109,19 @@ test packet against xtables matches
 
 The flag options are the same as those used by the xtable match used.
 
+.SS canid
+ematch rule to match CAN frames
+
+.IR canid "( " IDLIST " )
+
+.IR IDLIST " :=  " IDSPEC [ IDLIST ]
+
+.IR IDSPEC " := { ’sff’ " CANID " | ’eff’ " CANID " }
+
+.IR CANID " := " ID [ ":MASK" ]
+
+.IR ID ", " MASK " := hexadecimal number (i.e. 0x123)
+
 .SH CAVEATS
 
 The ematch syntax uses '(' and ')' to group expressions. All braces need to be
-- 
2.7.4