On Sat, Feb 13, 2021 at 03:42:46PM +0800, kernel test robot wrote: > ld: net/dsa/tag_ocelot_8021q.o: in function `ocelot_xmit_ptp': > >> net/dsa/tag_ocelot_8021q.c:34: undefined reference to > >> `ocelot_port_inject_frame'
Good catch, the problem is that the DSA taggers can be built without support for the switch driver. I've created some shim definitions in include/soc/mscc/ocelot.h: /* Packet I/O */ #if IS_ENABLED(CONFIG_MSCC_OCELOT_SWITCH_LIB) bool ocelot_can_inject(struct ocelot *ocelot, int grp); void ocelot_port_inject_frame(struct ocelot *ocelot, int port, int grp, u32 rew_op, struct sk_buff *skb); int ocelot_xtr_poll_frame(struct ocelot *ocelot, int grp, struct sk_buff **skb); void ocelot_drain_cpu_queue(struct ocelot *ocelot, int grp); #else static inline bool ocelot_can_inject(struct ocelot *ocelot, int grp) { return true; } static inline void ocelot_port_inject_frame(struct ocelot *ocelot, int port, int grp, u32 rew_op, struct sk_buff *skb) { } static inline int ocelot_xtr_poll_frame(struct ocelot *ocelot, int grp, struct sk_buff **skb) { return -EIO; } static inline void ocelot_drain_cpu_queue(struct ocelot *ocelot, int grp) { } #endif