diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/dsa.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index 43c4153ef53a..6e5ef62a7dce 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -591,6 +591,18 @@ static inline bool dsa_is_upstream_port(struct dsa_switch *ds, int port) return port == dsa_upstream_port(ds, port); } +/* Return the local port used to reach the CPU port */ +static inline unsigned int dsa_switch_upstream_port(struct dsa_switch *ds) +{ + struct dsa_port *dp; + + dsa_switch_for_each_available_port(dp, ds) { + return dsa_upstream_port(ds, dp->index); + } + + return ds->num_ports; +} + /* Return true if @upstream_ds is an upstream switch of @downstream_ds, meaning * that the routing port from @downstream_ds to @upstream_ds is also the port * which @downstream_ds uses to reach its dedicated CPU. |