2016 #define NAPI_GRO_CB(skb) ((struct napi_gro_cb *)(skb)->cb)  macro
2267 	return NAPI_GRO_CB(skb)->data_offset;  in skb_gro_offset()
2272 	return skb->len - NAPI_GRO_CB(skb)->data_offset;  in skb_gro_len()
2277 	NAPI_GRO_CB(skb)->data_offset += len;  in skb_gro_pull()
2283 	return NAPI_GRO_CB(skb)->frag0 + offset;  in skb_gro_header_fast()
2288 	return NAPI_GRO_CB(skb)->frag0_len < hlen;  in skb_gro_header_hard()
2297 	NAPI_GRO_CB(skb)->frag0 = NULL;  in skb_gro_header_slow()
2298 	NAPI_GRO_CB(skb)->frag0_len = 0;  in skb_gro_header_slow()
2304 	return (NAPI_GRO_CB(skb)->frag0 ?: skb->data) +  in skb_gro_network_header()
2311 	if (NAPI_GRO_CB(skb)->csum_valid)  in skb_gro_postpull_rcsum()
2312 		NAPI_GRO_CB(skb)->csum = csum_sub(NAPI_GRO_CB(skb)->csum,  in skb_gro_postpull_rcsum()
2325 	return (NAPI_GRO_CB(skb)->gro_remcsum_start == skb_gro_offset(skb));  in skb_at_gro_remcsum_start()
2336 		NAPI_GRO_CB(skb)->csum_cnt == 0 &&  in __skb_gro_checksum_validate_needed()
2343 	if (NAPI_GRO_CB(skb)->csum_valid &&  in __skb_gro_checksum_validate_complete()
2344 	    !csum_fold(csum_add(psum, NAPI_GRO_CB(skb)->csum)))  in __skb_gro_checksum_validate_complete()
2347 	NAPI_GRO_CB(skb)->csum = psum;  in __skb_gro_checksum_validate_complete()
2354 	if (NAPI_GRO_CB(skb)->csum_cnt > 0) {  in skb_gro_incr_csum_unnecessary()
2356 		NAPI_GRO_CB(skb)->csum_cnt--;  in skb_gro_incr_csum_unnecessary()
2392 	return (NAPI_GRO_CB(skb)->csum_cnt == 0 &&  in __skb_gro_checksum_convert_check()
2393 		!NAPI_GRO_CB(skb)->csum_valid);  in __skb_gro_checksum_convert_check()
2399 	NAPI_GRO_CB(skb)->csum = ~pseudo;  in __skb_gro_checksum_convert()
2400 	NAPI_GRO_CB(skb)->csum_valid = 1;  in __skb_gro_checksum_convert()
2430 	BUG_ON(!NAPI_GRO_CB(skb)->csum_valid);  in skb_gro_remcsum_process()
2433 		NAPI_GRO_CB(skb)->gro_remcsum_start = off + hdrlen + start;  in skb_gro_remcsum_process()
2444 	delta = remcsum_adjust(ptr + hdrlen, NAPI_GRO_CB(skb)->csum,  in skb_gro_remcsum_process()
2448 	NAPI_GRO_CB(skb)->csum = csum_add(NAPI_GRO_CB(skb)->csum, delta);  in skb_gro_remcsum_process()