[PATCH] Documentation: networking: dsa: Update tagging protocols

From: Fabian Mewes
Date: Fri Nov 04 2016 - 08:24:17 EST

Add Qualcomm QCA tagging introduced in cafdc45c9 to the
list of supported protocols.

Signed-off-by: Fabian Mewes <architekt@xxxxxxxxxxxxxxxxx>
Documentation/networking/dsa/dsa.txt | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/networking/dsa/dsa.txt b/Documentation/networking/dsa/dsa.txt
index 6d6c07c..63912ef3 100644
--- a/Documentation/networking/dsa/dsa.txt
+++ b/Documentation/networking/dsa/dsa.txt
@@ -67,13 +67,14 @@ Note that DSA does not currently create network interfaces for the "cpu" and
Switch tagging protocols

-DSA currently supports 4 different tagging protocols, and a tag-less mode as
+DSA currently supports 5 different tagging protocols, and a tag-less mode as
well. The different protocols are implemented in:

net/dsa/tag_trailer.c: Marvell's 4 trailer tag mode (legacy)
net/dsa/tag_dsa.c: Marvell's original DSA tag
net/dsa/tag_edsa.c: Marvell's enhanced DSA tag
net/dsa/tag_brcm.c: Broadcom's 4 bytes tag
+net/dsa/tag_qca.c: Qualcomm's 2 bytes tag

The exact format of the tag protocol is vendor specific, but in general, they
all contain something which: