[PATCH net-next 8/9] net: dsa: use new port type in helpers

From: Vivien Didelot
Date: Thu Oct 26 2017 - 11:29:33 EST


Now that DSA exposes an enumerated type for the ports, we can use them
directly instead of checking bitmaps, which is more consistent.

Signed-off-by: Vivien Didelot <vivien.didelot@xxxxxxxxxxxxxxxxxxxx>
---
include/net/dsa.h | 27 ++++++++++++++++-----------
1 file changed, 16 insertions(+), 11 deletions(-)

diff --git a/include/net/dsa.h b/include/net/dsa.h
index 8da20c4a6552..07dfbd7f4fd5 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -261,36 +261,41 @@ struct dsa_switch {
struct dsa_port ports[];
};

+static inline const struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p)
+{
+ return &ds->ports[p];
+}
+
static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p)
{
- u32 m = ds->enabled_port_mask | ds->dsa_port_mask | ds->cpu_port_mask;
-
- return !(m & BIT(p));
+ return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED;
}

static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p)
{
- return !!(ds->cpu_port_mask & (1 << p));
+ return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_CPU;
}

static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p)
{
- return !!((ds->dsa_port_mask) & (1 << p));
+ return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_DSA;
}

static inline bool dsa_is_user_port(struct dsa_switch *ds, int p)
{
- return !!(ds->enabled_port_mask & BIT(p));
+ return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER;
}

static inline u32 dsa_user_ports(struct dsa_switch *ds)
{
- return ds->enabled_port_mask;
-}
+ u32 mask = 0;
+ int p;

-static inline const struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p)
-{
- return &ds->ports[p];
+ for (p = 0; p < ds->num_ports; p++)
+ if (dsa_is_user_port(ds, p))
+ mask |= BIT(p);
+
+ return mask;
}

static inline u8 dsa_upstream_port(struct dsa_switch *ds)
--
2.14.3