On 30-07-19, 12:34, Peter Ujfalusi wrote: > +/** > + * Descriptor header, present in all types of descriptors > + */ > +struct cppi5_desc_hdr_t { > + u32 pkt_info0; /* Packet info word 0 (n/a in Buffer desc) */ > + u32 pkt_info1; /* Packet info word 1 (n/a in Buffer desc) */ > + u32 pkt_info2; /* Packet info word 2 Buffer reclamation info */ > + u32 src_dst_tag; /* Packet info word 3 (n/a in Buffer desc) */ Can we move these comments to kernel-doc style please > +/** > + * cppi5_desc_get_type - get descriptor type > + * @desc_hdr: packet descriptor/TR header > + * > + * Returns descriptor type: > + * CPPI5_INFO0_DESC_TYPE_VAL_HOST > + * CPPI5_INFO0_DESC_TYPE_VAL_MONO > + * CPPI5_INFO0_DESC_TYPE_VAL_TR > + */ > +static inline u32 cppi5_desc_get_type(struct cppi5_desc_hdr_t *desc_hdr) > +{ > + WARN_ON(!desc_hdr); why WARN_ON and not return error! > +/** > + * cppi5_hdesc_calc_size - Calculate Host Packet Descriptor size > + * @epib: is EPIB present > + * @psdata_size: PSDATA size > + * @sw_data_size: SWDATA size > + * > + * Returns required Host Packet Descriptor size > + * 0 - if PSDATA > CPPI5_INFO0_HDESC_PSDATA_MAX_SIZE > + */ > +static inline u32 cppi5_hdesc_calc_size(bool epib, u32 psdata_size, > + u32 sw_data_size) > +{ > + u32 desc_size; > + > + if (psdata_size > CPPI5_INFO0_HDESC_PSDATA_MAX_SIZE) > + return 0; > + //TODO_GS: align :) -- ~Vinod