869 	__u8			ip_summed:2;  member
3482 	if (skb->ip_summed == CHECKSUM_NONE) {  in skb_add_data()
3557 	if (skb->ip_summed == CHECKSUM_COMPLETE)  in __skb_postpull_rcsum()
3560 	else if (skb->ip_summed == CHECKSUM_PARTIAL &&  in __skb_postpull_rcsum()
3562 		skb->ip_summed = CHECKSUM_NONE;  in __skb_postpull_rcsum()
3585 	if (skb->ip_summed == CHECKSUM_COMPLETE)  in __skb_postpush_rcsum()
3645 	if (skb->ip_summed == CHECKSUM_COMPLETE)  in __skb_trim_rcsum()
3646 		skb->ip_summed = CHECKSUM_NONE;  in __skb_trim_rcsum()
3653 	if (skb->ip_summed == CHECKSUM_COMPLETE)  in __skb_grow_rcsum()
3654 		skb->ip_summed = CHECKSUM_NONE;  in __skb_grow_rcsum()
4113 	return ((skb->ip_summed == CHECKSUM_UNNECESSARY) ||  in skb_csum_unnecessary()
4115 		(skb->ip_summed == CHECKSUM_PARTIAL &&  in skb_csum_unnecessary()
4143 	if (skb->ip_summed == CHECKSUM_UNNECESSARY) {  in __skb_decr_checksum_unnecessary()
4145 			skb->ip_summed = CHECKSUM_NONE;  in __skb_decr_checksum_unnecessary()
4153 	if (skb->ip_summed == CHECKSUM_UNNECESSARY) {  in __skb_incr_checksum_unnecessary()
4156 	} else if (skb->ip_summed == CHECKSUM_NONE) {  in __skb_incr_checksum_unnecessary()
4157 		skb->ip_summed = CHECKSUM_UNNECESSARY;  in __skb_incr_checksum_unnecessary()
4164 	if (skb->ip_summed == CHECKSUM_UNNECESSARY) {  in __skb_reset_checksum_unnecessary()
4165 		skb->ip_summed = CHECKSUM_NONE;  in __skb_reset_checksum_unnecessary()
4201 	if (skb->ip_summed == CHECKSUM_COMPLETE)  in skb_checksum_complete_unset()
4202 		skb->ip_summed = CHECKSUM_NONE;  in skb_checksum_complete_unset()
4218 	if (skb->ip_summed == CHECKSUM_COMPLETE) {  in __skb_checksum_validate_complete()
4282 	return (skb->ip_summed == CHECKSUM_NONE && skb->csum_valid);  in __skb_checksum_convert_check()
4288 	skb->ip_summed = CHECKSUM_COMPLETE;  in __skb_checksum_convert()
4300 	skb->ip_summed = CHECKSUM_PARTIAL;  in skb_remcsum_adjust_partial()
4320 	 if (unlikely(skb->ip_summed != CHECKSUM_COMPLETE)) {  in skb_remcsum_process()
4735 	if (skb->ip_summed == CHECKSUM_COMPLETE)  in skb_forward_csum()
4736 		skb->ip_summed = CHECKSUM_NONE;  in skb_forward_csum()
4750 	BUG_ON(skb->ip_summed != CHECKSUM_NONE);  in skb_checksum_none_assert()