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authorVadim Kochan <vadim4j@gmail.com>2016-02-08 08:01:54 +0200
committerTobias Klauser <tklauser@distanz.ch>2016-02-23 13:25:42 +0100
commitae817ae0d56170b3c394d0b8709e2da83681fca4 (patch)
treec32d3cd20fad964469e93e70732101ea923ca427 /trafgen.8
parentd1dfc01a4068e3c15a1195f804448a9a3dee5b2b (diff)
trafgen: man: Add description for 'mpls()' function
Add syntax & fields description for 'mpls()' function, also: 1) add line break for VLAN header notes 2) fix ip -> ipv4 in UDP echo example 3) consistent spelling of EtherType Signed-off-by: Vadim Kochan <vadim4j@gmail.com> Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Diffstat (limited to 'trafgen.8')
-rw-r--r--trafgen.829
1 files changed, 27 insertions, 2 deletions
diff --git a/trafgen.8 b/trafgen.8
index 4a91d1f..871ee05 100644
--- a/trafgen.8
+++ b/trafgen.8
@@ -334,8 +334,33 @@ Supported protocol headers:
- Set 802.1ad header (TPID: 0x88a8)
.sp
.in -4
-By default, if the lower level header is Ethernet, its Ethertype is set to
+By default, if the lower level header is Ethernet, its EtherType is set to
0x8100 (802.1q).
+.sp
+
+.I MPLS
+:
+.B mpls(label=<number>, tc|exp=<number>, last=<number>, ttl=<number>)
+.sp
+.in +4
+.B label|lbl
+- MPLS label value (default: 0)
+.sp
+.B tclass|tc|exp
+- Traffic Class for QoS field (default: 0)
+.sp
+.B last
+- Bottom of stack S-flag (default: 1 for most last label)
+.sp
+.B ttl
+- Time To Live (TTL) (default: 0)
+.sp
+.in -4
+By default, if the lower level header is Ethernet, its EtherType is set to
+0x8847 (MPLS Unicast). S-flag is set automatically to 1 for the last label and
+resets to 0 if the lower MPLS label was added after.
+.sp
+
.I ARP
:
.B arp(htype=<number>, ptype=<number>, op=<request|reply|number>, request,
@@ -521,7 +546,7 @@ Simple example of a UDP Echo packet:
.in +5
{
eth(da=11:22:33:44:55:66),
- ip(daddr=1.2.3.4)
+ ipv4(daddr=1.2.3.4)
udp(dp=7),
"Hello world"
}