[PATCH] include: net: add dsa_cpu_ports function
From: Ansuel Smith <ansuelsmth@gmail.com>
Date: 2021-04-06 23:30:35
In preparation for the future when dsa will support multi cpu port, dsa_cpu_ports can be useful for switch that has multiple cpu port to retrieve the cpu mask for ACL and bridge table. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> --- include/net/dsa.h | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 83a933e563fe..d71b1acd9c3e 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h@@ -446,6 +446,18 @@ static inline u32 dsa_user_ports(struct dsa_switch *ds) return mask; } +static inline u32 dsa_cpu_ports(struct dsa_switch *ds) +{ + u32 mask = 0; + int p; + + for (p = 0; p < ds->num_ports; p++) + if (dsa_is_cpu_port(ds, p)) + mask |= BIT(p); + + return mask; +} + /* Return the local port used to reach an arbitrary switch device */ static inline unsigned int dsa_routing_port(struct dsa_switch *ds, int device) {
--
2.30.2