This patch updates the netem manpage to describe how to use
netem to mark packets with ecn instead of dropping them.
Signed-off-by: Vijay Subramanian <subramanian.vijay@gmail.com>
.IR p13 " [ " p31 " [ " p32 " [ " p23 " [ " p14 "]]]] |"
.br
.RB " " gemodel
-.IR p " [ " r " [ " 1-h " [ " 1-k " ]]]"
-.BR " }"
+.IR p " [ " r " [ " 1-h " [ " 1-k " ]]] } "
+.RB " [ " ecn " ] "
.IR CORRUPT " := "
.B corrupt
the good states, 1-h is the loss probability in the bad state and 1-k is the
loss probability in the good state.
+.SS ecn
+can be used optionally to mark packets instead of dropping them. A loss model
+has to be used for this to be enabled.
+
.SS corrupt
allows the emulation of random noise introducing an error in a random position
for a chosen percent of packets. It is also possible to add a correlation