[PATCH 1/4] net: dsa: Extend the dsa_switch structure to hold info about HSR ports
From: Lukasz Majewski <lukma@denx.de>
Date: 2023-08-29 12:13:20
Also in:
lkml
Subsystem:
networking [dsa], networking [general], the rest · Maintainers:
Andrew Lunn, Vladimir Oltean, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Information about HSR aware ports in a DSA switch can be helpful when one needs tags to be adjusted before the HSR frame is sent. For example - with ksz9477 switch - the TAG needs to be adjusted to have both HSR ports marked in tag to allow execution of HW based frame duplication. Signed-off-by: Lukasz Majewski <lukma@denx.de> --- include/net/dsa.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/include/net/dsa.h b/include/net/dsa.h
index d309ee7ed04b..15274afc42bb 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h@@ -470,6 +470,9 @@ struct dsa_switch { /* Number of switch port queues */ unsigned int num_tx_queues; + /* Bitmask indicating ports supporting HSR */ + u16 hsr_ports; + /* Drivers that benefit from having an ID associated with each * offloaded LAG should set this to the maximum number of * supported IDs. DSA will then maintain a mapping of _at
--
2.20.1