46 static void nes_replenish_mgt_rq(struct nes_vnic_mgt *mgtvnic)  in nes_replenish_mgt_rq()  argument
57 	nesmgt = &mgtvnic->mgt;  in nes_replenish_mgt_rq()
58 	nesdev = mgtvnic->nesvnic->nesdev;  in nes_replenish_mgt_rq()
61 		if (((nesmgt->rq_size - 1) == atomic_read(&mgtvnic->rx_skbs_needed)) &&  in nes_replenish_mgt_rq()
62 		    (atomic_read(&mgtvnic->rx_skb_timer_running) == 0)) {  in nes_replenish_mgt_rq()
63 			atomic_set(&mgtvnic->rx_skb_timer_running, 1);  in nes_replenish_mgt_rq()
65 			mgtvnic->rq_wqes_timer.expires = jiffies + (HZ / 2);      /* 1/2 second */  in nes_replenish_mgt_rq()
66 			add_timer(&mgtvnic->rq_wqes_timer);  in nes_replenish_mgt_rq()
75 		skb = dev_alloc_skb(mgtvnic->nesvnic->max_frame_size);  in nes_replenish_mgt_rq()
77 			skb->dev = mgtvnic->nesvnic->netdev;  in nes_replenish_mgt_rq()
80 						     skb->data, mgtvnic->nesvnic->max_frame_size, PCI_DMA_FROMDEVICE);  in nes_replenish_mgt_rq()
83 			cb->maplen = mgtvnic->nesvnic->max_frame_size;  in nes_replenish_mgt_rq()
85 			nic_rqe = &nesmgt->rq_vbase[mgtvnic->mgt.rq_head];  in nes_replenish_mgt_rq()
87 				cpu_to_le32(mgtvnic->nesvnic->max_frame_size);  in nes_replenish_mgt_rq()
96 			atomic_dec(&mgtvnic->rx_skbs_needed);  in nes_replenish_mgt_rq()
104 			if (((nesmgt->rq_size - 1) == atomic_read(&mgtvnic->rx_skbs_needed)) &&  in nes_replenish_mgt_rq()
105 			    (atomic_read(&mgtvnic->rx_skb_timer_running) == 0)) {  in nes_replenish_mgt_rq()
106 				atomic_set(&mgtvnic->rx_skb_timer_running, 1);  in nes_replenish_mgt_rq()
108 				mgtvnic->rq_wqes_timer.expires = jiffies + (HZ / 2);      /* 1/2 second */  in nes_replenish_mgt_rq()
109 				add_timer(&mgtvnic->rq_wqes_timer);  in nes_replenish_mgt_rq()
115 	} while (atomic_read(&mgtvnic->rx_skbs_needed));  in nes_replenish_mgt_rq()
127 	struct nes_vnic_mgt *mgtvnic = (struct nes_vnic_mgt *)parm;  in nes_mgt_rq_wqes_timeout()  local
129 	atomic_set(&mgtvnic->rx_skb_timer_running, 0);  in nes_mgt_rq_wqes_timeout()
130 	if (atomic_read(&mgtvnic->rx_skbs_needed))  in nes_mgt_rq_wqes_timeout()
131 		nes_replenish_mgt_rq(mgtvnic);  in nes_mgt_rq_wqes_timeout()
775 	struct nes_vnic_mgt *mgtvnic = container_of(cq, struct nes_vnic_mgt, mgt_cq);  in nes_mgt_ce_handler()  local
814 				nes_change_quad_hash(nesdev, mgtvnic->nesvnic, nesqp);  in nes_mgt_ce_handler()
817 			rx_skb = mgtvnic->mgt.rx_skb[mgtvnic->mgt.rq_tail];  in nes_mgt_ce_handler()
820 			rx_skb->protocol = eth_type_trans(rx_skb, mgtvnic->nesvnic->netdev);  in nes_mgt_ce_handler()
824 			mgtvnic->mgt.rq_tail++;  in nes_mgt_ce_handler()
825 			mgtvnic->mgt.rq_tail &= mgtvnic->mgt.rq_size - 1;  in nes_mgt_ce_handler()
828 			nes_queue_mgt_skbs(rx_skb, mgtvnic->nesvnic, nesqp);  in nes_mgt_ce_handler()
845 		skbs_needed = atomic_inc_return(&mgtvnic->rx_skbs_needed);  in nes_mgt_ce_handler()
846 		if (skbs_needed > (mgtvnic->mgt.rq_size >> 1))  in nes_mgt_ce_handler()
847 			nes_replenish_mgt_rq(mgtvnic);  in nes_mgt_ce_handler()
862 	struct nes_vnic_mgt *mgtvnic;  in nes_init_mgt_qp()  local
882 	mgtvnic = kzalloc(NES_MGT_QP_COUNT * sizeof(struct nes_vnic_mgt), GFP_KERNEL);  in nes_init_mgt_qp()
883 	if (mgtvnic == NULL) {  in nes_init_mgt_qp()
897 		kfree(mgtvnic);  in nes_init_mgt_qp()
911 		mgtvnic->nesvnic = nesvnic;  in nes_init_mgt_qp()
912 		mgtvnic->mgt.qp_id = nesdev->mac_index + NES_MGT_QP_OFFSET + i;  in nes_init_mgt_qp()
922 		spin_lock_init(&mgtvnic->mgt.rq_lock);  in nes_init_mgt_qp()
925 		mgtvnic->mgt.rq_vbase = vmem;  in nes_init_mgt_qp()
926 		mgtvnic->mgt.rq_pbase = pmem;  in nes_init_mgt_qp()
927 		mgtvnic->mgt.rq_head = 0;  in nes_init_mgt_qp()
928 		mgtvnic->mgt.rq_tail = 0;  in nes_init_mgt_qp()
929 		mgtvnic->mgt.rq_size = NES_MGT_WQ_COUNT;  in nes_init_mgt_qp()
935 		mgtvnic->mgt_cq.cq_number = mgtvnic->mgt.qp_id;  in nes_init_mgt_qp()
936 		mgtvnic->mgt_cq.cq_vbase = vmem;  in nes_init_mgt_qp()
937 		mgtvnic->mgt_cq.cq_pbase = pmem;  in nes_init_mgt_qp()
938 		mgtvnic->mgt_cq.cq_head = 0;  in nes_init_mgt_qp()
939 		mgtvnic->mgt_cq.cq_size = NES_MGT_WQ_COUNT;  in nes_init_mgt_qp()
941 		mgtvnic->mgt_cq.ce_handler = nes_mgt_ce_handler;  in nes_init_mgt_qp()
952 			((u32)mgtvnic->mgt_cq.cq_size << 16));  in nes_init_mgt_qp()
954 			mgtvnic->mgt_cq.cq_number | ((u32)nesdev->ceq_index << 16));  in nes_init_mgt_qp()
955 		u64temp = (u64)mgtvnic->mgt_cq.cq_pbase;  in nes_init_mgt_qp()
958 		u64temp = (unsigned long)&mgtvnic->mgt_cq;  in nes_init_mgt_qp()
970 		mgt_context = (void *)(&mgtvnic->mgt_cq.cq_vbase[mgtvnic->mgt_cq.cq_size]);  in nes_init_mgt_qp()
980 		u64temp = (u64)mgtvnic->mgt.rq_pbase;  in nes_init_mgt_qp()
983 		u64temp = (u64)mgtvnic->mgt.rq_pbase;  in nes_init_mgt_qp()
989 		cqp_wqe->wqe_words[NES_CQP_WQE_ID_IDX] = cpu_to_le32(mgtvnic->mgt.qp_id);  in nes_init_mgt_qp()
990 		u64temp = (u64)mgtvnic->mgt_cq.cq_pbase +  in nes_init_mgt_qp()
991 			  (mgtvnic->mgt_cq.cq_size * sizeof(struct nes_hw_nic_cqe));  in nes_init_mgt_qp()
1005 			  mgtvnic->mgt.qp_id);  in nes_init_mgt_qp()
1010 			  mgtvnic->mgt.qp_id, ret);  in nes_init_mgt_qp()
1012 			nes_debug(NES_DBG_INIT, "MGT QP%u create timeout expired\n", mgtvnic->mgt.qp_id);  in nes_init_mgt_qp()
1016 				kfree(mgtvnic);  in nes_init_mgt_qp()
1039 			mgt_rqe = &mgtvnic->mgt.rq_vbase[counter];  in nes_init_mgt_qp()
1044 			mgtvnic->mgt.rx_skb[counter] = skb;  in nes_init_mgt_qp()
1047 		init_timer(&mgtvnic->rq_wqes_timer);  in nes_init_mgt_qp()
1048 		mgtvnic->rq_wqes_timer.function = nes_mgt_rq_wqes_timeout;  in nes_init_mgt_qp()
1049 		mgtvnic->rq_wqes_timer.data = (unsigned long)mgtvnic;  in nes_init_mgt_qp()
1052 		mgtvnic->mgt.rq_head = wqe_count;  in nes_init_mgt_qp()
1057 			nes_write32(nesdev->regs + NES_WQE_ALLOC, (counter << 24) | mgtvnic->mgt.qp_id);  in nes_init_mgt_qp()
1061 			    mgtvnic->mgt_cq.cq_number);  in nes_init_mgt_qp()
1066 		nesvnic->mgtvnic[i] = mgtvnic++;  in nes_init_mgt_qp()
1075 	struct nes_vnic_mgt *mgtvnic;  in nes_destroy_mgt()  local
1087 	first_mgtvnic = nesvnic->mgtvnic[0];  in nes_destroy_mgt()
1089 		mgtvnic = nesvnic->mgtvnic[i];  in nes_destroy_mgt()
1090 		if (mgtvnic == NULL)  in nes_destroy_mgt()
1093 		while (mgtvnic->mgt.rq_head != mgtvnic->mgt.rq_tail) {  in nes_destroy_mgt()
1094 			rx_skb = mgtvnic->mgt.rx_skb[mgtvnic->mgt.rq_tail];  in nes_destroy_mgt()
1096 			mgtvnic->mgt.rq_tail++;  in nes_destroy_mgt()
1097 			mgtvnic->mgt.rq_tail &= (mgtvnic->mgt.rq_size - 1);  in nes_destroy_mgt()
1110 				    mgtvnic->mgt.qp_id);  in nes_destroy_mgt()
1120 				    (NES_CQP_DESTROY_CQ | ((u32)mgtvnic->mgt_cq.cq_size << 16)));  in nes_destroy_mgt()
1122 				    (mgtvnic->mgt_cq.cq_number | ((u32)nesdev->ceq_index << 16)));  in nes_destroy_mgt()
1147 				  mgtvnic->mgt.qp_id);  in nes_destroy_mgt()
1149 		nesvnic->mgtvnic[i] = NULL;  in nes_destroy_mgt()