tc: etf: Add documentation for skip_sock_check.

Document the newly added option (skip_sock_check) on the etf man-page.

Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Signed-off-by: David Ahern <dsahern@gmail.com>

diff --git a/man/man8/tc-etf.8 b/man/man8/tc-etf.8
index 30a12de7d2c79709c9b711d26d647fc022e832c6..4cb3b9e02d6ee5dc8249d2c388db581827ab32f5 100644 (file)
--- a/man/man8/tc-etf.8
+++ b/man/man8/tc-etf.8
@@ -106,6 +106,16 @@ referred to as "Launch Time" or "Time-Based Scheduling" by the
 documentation of network interface controllers.
 The default is for this option to be disabled.
 
+.TP
+skip_sock_check
+.br
+.BR etf(8)
+currently drops any packet which does not have a socket associated with it or
+if the socket does not have SO_TXTIME socket option set. But, this will not
+work if the launchtime is set by another entity inside the kernel (e.g. some
+other Qdisc). Setting the skip_sock_check will skip checking for a socket
+associated with the packet.
+
 .SH EXAMPLES
 
 ETF is used to enforce a Quality of Service. It controls when each