sys/net/iflib.c

862 	u_int nic_i_first, nic_i;
897 	nic_i = fl->ifl_pidx;
898 	nm_i = netmap_idx_n2k(kring, nic_i);
901 		 * On init/reset, nic_i must be 0, and we must
904 		MPASS(nic_i == 0);
914 		nic_i_first = nic_i;
924 			fl->ifl_rxd_idxs[i] = nic_i;
928 				    map[nic_i], addr);
932 				    map[nic_i], addr);
934 			bus_dmamap_sync(fl->ifl_buf_tag, map[nic_i],
939 			nic_i = nm_next(nic_i, lim);
946 	fl->ifl_pidx = nic_i;
957 	    nm_prev(nic_i, lim));
986 	u_int nic_i;	/* index into the NIC ring */
1007 	 * nic_i is the corresponding index in the NIC ring.
1033 		nic_i = netmap_idx_k2n(kring, nm_i);
1036 		__builtin_prefetch(&txq->ift_sds.ifsd_m[nic_i]);
1037 		__builtin_prefetch(&txq->ift_sds.ifsd_map[nic_i]);
1046 				nic_i == 0 || nic_i == report_frequency) ?
1054 				nic_i_start = nic_i;
1081 			__builtin_prefetch(&txq->ift_sds.ifsd_m[nic_i + 1]);
1082 			__builtin_prefetch(&txq->ift_sds.ifsd_map[nic_i + 1]);
1089 				    txq->ift_sds.ifsd_map[nic_i], addr);
1093 			    txq->ift_sds.ifsd_map[nic_i],
1098 			nic_i = nm_next(nic_i, lim);
1106 		/* (re)start the tx unit up to slot nic_i (excluded) */
1107 		ctx->isc_txd_flush(ctx->ifc_softc, txq->ift_id, nic_i);
1120 			nic_i = txq->ift_cidx_processed;
1121 			kring->nr_hwtail = nm_prev(netmap_idx_n2k(kring, nic_i), lim);
1155 	uint32_t nic_i;	/* index into the NIC ring */
1181 	 * nic_i is the index of the next received packet in the NIC ring
1186 	 *	nic_i = fl->ifl_cidx;
1189 	 *	nm_i == (nic_i + kring->nkr_hwofs) % ring_size
1210 		nic_i = fl->ifl_cidx;
1211 		nm_i = netmap_idx_n2k(kring, nic_i);
1235 				    fl->ifl_sds.ifsd_map[nic_i], BUS_DMASYNC_POSTREAD);
1237 				fl->ifl_cidx = nic_i = nm_next(nic_i, lim);
1262 	 * nic_i is the index in the NIC ring, and
1263 	 * nm_i == (nic_i + kring->nkr_hwofs) % ring_size