160 static int  nicvf_init_rbdr(struct nicvf *nic, struct rbdr *rbdr,  in nicvf_init_rbdr()  argument
168 	err = nicvf_alloc_q_desc_mem(nic, &rbdr->dmem, ring_len,  in nicvf_init_rbdr()
174 	rbdr->desc = rbdr->dmem.base;  in nicvf_init_rbdr()
176 	rbdr->dma_size = buf_size;  in nicvf_init_rbdr()
177 	rbdr->enable = true;  in nicvf_init_rbdr()
178 	rbdr->thresh = RBDR_THRESH;  in nicvf_init_rbdr()
187 		desc = GET_RBDR_DESC(rbdr, idx);  in nicvf_init_rbdr()
194 static void nicvf_free_rbdr(struct nicvf *nic, struct rbdr *rbdr)  in nicvf_free_rbdr()  argument
201 	if (!rbdr)  in nicvf_free_rbdr()
204 	rbdr->enable = false;  in nicvf_free_rbdr()
205 	if (!rbdr->dmem.base)  in nicvf_free_rbdr()
208 	head = rbdr->head;  in nicvf_free_rbdr()
209 	tail = rbdr->tail;  in nicvf_free_rbdr()
213 		desc = GET_RBDR_DESC(rbdr, head);  in nicvf_free_rbdr()
218 		head &= (rbdr->dmem.q_len - 1);  in nicvf_free_rbdr()
221 	desc = GET_RBDR_DESC(rbdr, tail);  in nicvf_free_rbdr()
227 	nicvf_free_q_desc_mem(nic, &rbdr->dmem);  in nicvf_free_rbdr()
238 	struct rbdr *rbdr;  in nicvf_refill_rbdr()  local
247 	rbdr = &qs->rbdr[rbdr_idx];  in nicvf_refill_rbdr()
249 	if (!rbdr->enable)  in nicvf_refill_rbdr()
265 		tail &= (rbdr->dmem.q_len - 1);  in nicvf_refill_rbdr()
270 		desc = GET_RBDR_DESC(rbdr, tail);  in nicvf_refill_rbdr()
290 	if (!nic->rb_alloc_fail && rbdr->enable)  in nicvf_refill_rbdr()
429 			       struct rbdr *rbdr, int qidx)  in nicvf_reclaim_rbdr()  argument
435 	rbdr->head = nicvf_queue_reg_read(nic,  in nicvf_reclaim_rbdr()
438 	rbdr->tail = nicvf_queue_reg_read(nic,  in nicvf_reclaim_rbdr()
658 	struct rbdr *rbdr;  in nicvf_rbdr_config()  local
661 	rbdr = &qs->rbdr[qidx];  in nicvf_rbdr_config()
662 	nicvf_reclaim_rbdr(nic, rbdr, qidx);  in nicvf_rbdr_config()
668 			      qidx, (u64)(rbdr->dmem.phys_base));  in nicvf_rbdr_config()
678 	rbdr_cfg.lines = rbdr->dma_size / 128;  in nicvf_rbdr_config()
688 			      qidx, rbdr->thresh - 1);  in nicvf_rbdr_config()
731 		nicvf_free_rbdr(nic, &qs->rbdr[qidx]);  in nicvf_free_resources()
749 		if (nicvf_init_rbdr(nic, &qs->rbdr[qidx], qs->rbdr_len,  in nicvf_alloc_resources()