Lines Matching refs:vp
102 static void vector_reset_stats(struct vector_private *vp) in vector_reset_stats() argument
104 vp->estats.rx_queue_max = 0; in vector_reset_stats()
105 vp->estats.rx_queue_running_average = 0; in vector_reset_stats()
106 vp->estats.tx_queue_max = 0; in vector_reset_stats()
107 vp->estats.tx_queue_running_average = 0; in vector_reset_stats()
108 vp->estats.rx_encaps_errors = 0; in vector_reset_stats()
109 vp->estats.tx_timeout_count = 0; in vector_reset_stats()
110 vp->estats.tx_restart_queue = 0; in vector_reset_stats()
111 vp->estats.tx_kicks = 0; in vector_reset_stats()
112 vp->estats.tx_flow_control_xon = 0; in vector_reset_stats()
113 vp->estats.tx_flow_control_xoff = 0; in vector_reset_stats()
114 vp->estats.sg_ok = 0; in vector_reset_stats()
115 vp->estats.sg_linearized = 0; in vector_reset_stats()
268 static int prep_msg(struct vector_private *vp, in prep_msg() argument
281 if (vp->header_size > 0) { in prep_msg()
282 iov[iov_index].iov_len = vp->header_size; in prep_msg()
283 vp->form_header(iov[iov_index].iov_base, skb, vp); in prep_msg()
289 vp->estats.sg_ok++; in prep_msg()
311 struct vector_private *vp = netdev_priv(qi->dev); in vector_enqueue() local
330 vp, in vector_enqueue()
337 mmsg_vector->msg_hdr.msg_name = vp->fds->remote_addr; in vector_enqueue()
338 mmsg_vector->msg_hdr.msg_namelen = vp->fds->remote_addr_size; in vector_enqueue()
385 struct vector_private *vp = netdev_priv(qi->dev); in vector_send() local
405 vp->fds->tx_fd, in vector_send()
410 vp->in_write_poll = in vector_send()
420 netdev_err(vp->dev, "sendmmsg err=%i\n", in vector_send()
422 vp->in_error = true; in vector_send()
432 if (result > vp->estats.tx_queue_max) in vector_send()
433 vp->estats.tx_queue_max = result; in vector_send()
434 vp->estats.tx_queue_running_average = in vector_send()
435 (vp->estats.tx_queue_running_average + result) >> 1; in vector_send()
443 vp->estats.tx_restart_queue++; in vector_send()
450 tasklet_schedule(&vp->tx_poll); in vector_send()
463 struct vector_private *vp = netdev_priv(qi->dev); in destroy_queue() local
484 if ((vp->header_size > 0) && in destroy_queue()
500 struct vector_private *vp, in create_queue() argument
514 result->dev = vp->dev; in create_queue()
538 if (vp->header_size > 0) in create_queue()
557 if (vp->header_size > 0) { in create_queue()
595 struct vector_private *vp, in prep_skb() argument
598 int linear = vp->max_packet + vp->headroom + SAFETY_MARGIN; in prep_skb()
605 if (vp->req_size <= linear) in prep_skb()
608 len = vp->req_size; in prep_skb()
611 len - vp->max_packet, in prep_skb()
616 if (vp->header_size > 0) in prep_skb()
623 skb_reserve(result, vp->headroom); in prep_skb()
624 result->dev = vp->dev; in prep_skb()
625 skb_put(result, vp->max_packet); in prep_skb()
626 result->data_len = len - vp->max_packet; in prep_skb()
627 result->len += len - vp->max_packet; in prep_skb()
631 iov[iov_index].iov_len = vp->max_packet; in prep_skb()
654 struct vector_private *vp = netdev_priv(qi->dev); in prep_queue_for_rx() local
667 *skbuff_vector = prep_skb(vp, &mmsg_vector->msg_hdr); in prep_queue_for_rx()
775 struct vector_private *vp; in vector_remove() local
781 vp = netdev_priv(dev); in vector_remove()
782 if (vp->fds != NULL) in vector_remove()
816 static int vector_legacy_rx(struct vector_private *vp) in vector_legacy_rx() argument
832 if (vp->header_size > 0) { in vector_legacy_rx()
833 iov[0].iov_base = vp->header_rxbuffer; in vector_legacy_rx()
834 iov[0].iov_len = vp->header_size; in vector_legacy_rx()
837 skb = prep_skb(vp, &hdr); in vector_legacy_rx()
846 vp->dev->stats.rx_dropped++; in vector_legacy_rx()
849 pkt_len = uml_vector_recvmsg(vp->fds->rx_fd, &hdr, 0); in vector_legacy_rx()
851 vp->in_error = true; in vector_legacy_rx()
856 if (pkt_len > vp->header_size) { in vector_legacy_rx()
857 if (vp->header_size > 0) { in vector_legacy_rx()
858 header_check = vp->verify_header( in vector_legacy_rx()
859 vp->header_rxbuffer, skb, vp); in vector_legacy_rx()
862 vp->dev->stats.rx_dropped++; in vector_legacy_rx()
863 vp->estats.rx_encaps_errors++; in vector_legacy_rx()
867 vp->estats.rx_csum_offload_good++; in vector_legacy_rx()
871 pskb_trim(skb, pkt_len - vp->rx_header_size); in vector_legacy_rx()
873 vp->dev->stats.rx_bytes += skb->len; in vector_legacy_rx()
874 vp->dev->stats.rx_packets++; in vector_legacy_rx()
890 static int writev_tx(struct vector_private *vp, struct sk_buff *skb) in writev_tx() argument
895 iov[0].iov_base = vp->header_txbuffer; in writev_tx()
896 iov_count = prep_msg(vp, skb, (struct iovec *) &iov); in writev_tx()
902 vp->fds->tx_fd, in writev_tx()
910 netif_trans_update(vp->dev); in writev_tx()
911 netif_wake_queue(vp->dev); in writev_tx()
914 vp->dev->stats.tx_bytes += skb->len; in writev_tx()
915 vp->dev->stats.tx_packets++; in writev_tx()
917 vp->dev->stats.tx_dropped++; in writev_tx()
922 vp->dev->stats.tx_dropped++; in writev_tx()
925 vp->in_error = true; in writev_tx()
934 static int vector_mmsg_rx(struct vector_private *vp) in vector_mmsg_rx() argument
937 struct vector_queue *qi = vp->rx_queue; in vector_mmsg_rx()
952 vp->fds->rx_fd, qi->mmsg_vector, qi->max_depth, 0); in vector_mmsg_rx()
955 vp->in_error = true; in vector_mmsg_rx()
969 if (mmsg_vector->msg_len > vp->header_size) { in vector_mmsg_rx()
970 if (vp->header_size > 0) { in vector_mmsg_rx()
971 header_check = vp->verify_header( in vector_mmsg_rx()
974 vp in vector_mmsg_rx()
983 vp->estats.rx_encaps_errors++; in vector_mmsg_rx()
987 vp->estats.rx_csum_offload_good++; in vector_mmsg_rx()
992 mmsg_vector->msg_len - vp->rx_header_size); in vector_mmsg_rx()
998 vp->dev->stats.rx_bytes += skb->len; in vector_mmsg_rx()
999 vp->dev->stats.rx_packets++; in vector_mmsg_rx()
1015 if (vp->estats.rx_queue_max < packet_count) in vector_mmsg_rx()
1016 vp->estats.rx_queue_max = packet_count; in vector_mmsg_rx()
1017 vp->estats.rx_queue_running_average = in vector_mmsg_rx()
1018 (vp->estats.rx_queue_running_average + packet_count) >> 1; in vector_mmsg_rx()
1023 static void vector_rx(struct vector_private *vp) in vector_rx() argument
1028 if ((vp->options & VECTOR_RX) > 0) in vector_rx()
1029 while (((err = vector_mmsg_rx(vp)) > 0) && (iter < MAX_ITERATIONS)) in vector_rx()
1032 while (((err = vector_legacy_rx(vp)) > 0) && (iter < MAX_ITERATIONS)) in vector_rx()
1035 netdev_err(vp->dev, "vector_rx: error(%d)\n", err); in vector_rx()
1037 netdev_err(vp->dev, "vector_rx: device stuck, remote end may have closed the connection\n"); in vector_rx()
1042 struct vector_private *vp = netdev_priv(dev); in vector_net_start_xmit() local
1045 if (vp->in_error) { in vector_net_start_xmit()
1046 deactivate_fd(vp->fds->rx_fd, vp->rx_irq); in vector_net_start_xmit()
1047 if ((vp->fds->rx_fd != vp->fds->tx_fd) && (vp->tx_irq != 0)) in vector_net_start_xmit()
1048 deactivate_fd(vp->fds->tx_fd, vp->tx_irq); in vector_net_start_xmit()
1052 if ((vp->options & VECTOR_TX) == 0) { in vector_net_start_xmit()
1053 writev_tx(vp, skb); in vector_net_start_xmit()
1061 netdev_sent_queue(vp->dev, skb->len); in vector_net_start_xmit()
1062 queue_depth = vector_enqueue(vp->tx_queue, skb); in vector_net_start_xmit()
1068 if (queue_depth >= vp->tx_queue->max_depth - 1) { in vector_net_start_xmit()
1069 vp->estats.tx_kicks++; in vector_net_start_xmit()
1071 vector_send(vp->tx_queue); in vector_net_start_xmit()
1075 mod_timer(&vp->tl, vp->coalesce); in vector_net_start_xmit()
1079 vp->estats.tx_kicks++; in vector_net_start_xmit()
1080 vector_send(vp->tx_queue); in vector_net_start_xmit()
1082 tasklet_schedule(&vp->tx_poll); in vector_net_start_xmit()
1089 struct vector_private *vp = netdev_priv(dev); in vector_rx_interrupt() local
1093 vector_rx(vp); in vector_rx_interrupt()
1101 struct vector_private *vp = netdev_priv(dev); in vector_tx_interrupt() local
1112 if (vp->in_write_poll) in vector_tx_interrupt()
1113 tasklet_schedule(&vp->tx_poll); in vector_tx_interrupt()
1122 struct vector_private *vp = netdev_priv(dev); in vector_net_close() local
1126 del_timer(&vp->tl); in vector_net_close()
1128 if (vp->fds == NULL) in vector_net_close()
1132 if (vp->rx_irq > 0) { in vector_net_close()
1133 um_free_irq(vp->rx_irq, dev); in vector_net_close()
1134 vp->rx_irq = 0; in vector_net_close()
1136 if (vp->tx_irq > 0) { in vector_net_close()
1137 um_free_irq(vp->tx_irq, dev); in vector_net_close()
1138 vp->tx_irq = 0; in vector_net_close()
1140 tasklet_kill(&vp->tx_poll); in vector_net_close()
1141 if (vp->fds->rx_fd > 0) { in vector_net_close()
1142 os_close_file(vp->fds->rx_fd); in vector_net_close()
1143 vp->fds->rx_fd = -1; in vector_net_close()
1145 if (vp->fds->tx_fd > 0) { in vector_net_close()
1146 os_close_file(vp->fds->tx_fd); in vector_net_close()
1147 vp->fds->tx_fd = -1; in vector_net_close()
1149 kfree(vp->bpf); in vector_net_close()
1150 kfree(vp->fds->remote_addr); in vector_net_close()
1151 kfree(vp->transport_data); in vector_net_close()
1152 kfree(vp->header_rxbuffer); in vector_net_close()
1153 kfree(vp->header_txbuffer); in vector_net_close()
1154 if (vp->rx_queue != NULL) in vector_net_close()
1155 destroy_queue(vp->rx_queue); in vector_net_close()
1156 if (vp->tx_queue != NULL) in vector_net_close()
1157 destroy_queue(vp->tx_queue); in vector_net_close()
1158 kfree(vp->fds); in vector_net_close()
1159 vp->fds = NULL; in vector_net_close()
1160 spin_lock_irqsave(&vp->lock, flags); in vector_net_close()
1161 vp->opened = false; in vector_net_close()
1162 vp->in_error = false; in vector_net_close()
1163 spin_unlock_irqrestore(&vp->lock, flags); in vector_net_close()
1171 struct vector_private *vp = (struct vector_private *)data; in vector_tx_poll() local
1173 vp->estats.tx_kicks++; in vector_tx_poll()
1174 vector_send(vp->tx_queue); in vector_tx_poll()
1178 struct vector_private *vp = in vector_reset_tx() local
1180 netdev_reset_queue(vp->dev); in vector_reset_tx()
1181 netif_start_queue(vp->dev); in vector_reset_tx()
1182 netif_wake_queue(vp->dev); in vector_reset_tx()
1186 struct vector_private *vp = netdev_priv(dev); in vector_net_open() local
1191 spin_lock_irqsave(&vp->lock, flags); in vector_net_open()
1192 if (vp->opened) { in vector_net_open()
1193 spin_unlock_irqrestore(&vp->lock, flags); in vector_net_open()
1196 vp->opened = true; in vector_net_open()
1197 spin_unlock_irqrestore(&vp->lock, flags); in vector_net_open()
1199 vp->fds = uml_vector_user_open(vp->unit, vp->parsed); in vector_net_open()
1201 if (vp->fds == NULL) in vector_net_open()
1204 if (build_transport_data(vp) < 0) in vector_net_open()
1207 if ((vp->options & VECTOR_RX) > 0) { in vector_net_open()
1208 vp->rx_queue = create_queue( in vector_net_open()
1209 vp, in vector_net_open()
1210 get_depth(vp->parsed), in vector_net_open()
1211 vp->rx_header_size, in vector_net_open()
1214 vp->rx_queue->queue_depth = get_depth(vp->parsed); in vector_net_open()
1216 vp->header_rxbuffer = kmalloc( in vector_net_open()
1217 vp->rx_header_size, in vector_net_open()
1220 if (vp->header_rxbuffer == NULL) in vector_net_open()
1223 if ((vp->options & VECTOR_TX) > 0) { in vector_net_open()
1224 vp->tx_queue = create_queue( in vector_net_open()
1225 vp, in vector_net_open()
1226 get_depth(vp->parsed), in vector_net_open()
1227 vp->header_size, in vector_net_open()
1231 vp->header_txbuffer = kmalloc(vp->header_size, GFP_KERNEL); in vector_net_open()
1232 if (vp->header_txbuffer == NULL) in vector_net_open()
1238 irq_rr + VECTOR_BASE_IRQ, vp->fds->rx_fd, in vector_net_open()
1246 vp->rx_irq = irq_rr + VECTOR_BASE_IRQ; in vector_net_open()
1251 if ((vp->options & VECTOR_TX) > 0) { in vector_net_open()
1253 irq_rr + VECTOR_BASE_IRQ, vp->fds->tx_fd, in vector_net_open()
1262 vp->tx_irq = irq_rr + VECTOR_BASE_IRQ; in vector_net_open()
1266 if ((vp->options & VECTOR_QDISC_BYPASS) != 0) { in vector_net_open()
1267 if (!uml_raw_enable_qdisc_bypass(vp->fds->rx_fd)) in vector_net_open()
1268 vp->options |= VECTOR_BPF; in vector_net_open()
1270 if ((vp->options & VECTOR_BPF) != 0) in vector_net_open()
1271 vp->bpf = uml_vector_default_bpf(vp->fds->rx_fd, dev->dev_addr); in vector_net_open()
1280 vector_rx(vp); in vector_net_open()
1282 vector_reset_stats(vp); in vector_net_open()
1283 vdevice = find_device(vp->unit); in vector_net_open()
1286 if ((vp->options & VECTOR_TX) != 0) in vector_net_open()
1287 add_timer(&vp->tl); in vector_net_open()
1303 struct vector_private *vp = netdev_priv(dev); in vector_net_tx_timeout() local
1305 vp->estats.tx_timeout_count++; in vector_net_tx_timeout()
1307 schedule_work(&vp->reset_tx); in vector_net_tx_timeout()
1320 struct vector_private *vp = netdev_priv(dev); in vector_set_features() local
1327 vp->req_size = 65536; in vector_set_features()
1330 vp->req_size = vp->max_packet + vp->headroom + SAFETY_MARGIN; in vector_set_features()
1353 struct vector_private *vp = netdev_priv(netdev); in vector_get_ringparam() local
1355 ring->rx_max_pending = vp->rx_queue->max_depth; in vector_get_ringparam()
1356 ring->tx_max_pending = vp->tx_queue->max_depth; in vector_get_ringparam()
1357 ring->rx_pending = vp->rx_queue->max_depth; in vector_get_ringparam()
1358 ring->tx_pending = vp->tx_queue->max_depth; in vector_get_ringparam()
1392 struct vector_private *vp = netdev_priv(dev); in vector_get_ethtool_stats() local
1394 memcpy(tmp_stats, &vp->estats, sizeof(struct vector_estats)); in vector_get_ethtool_stats()
1400 struct vector_private *vp = netdev_priv(netdev); in vector_get_coalesce() local
1402 ec->tx_coalesce_usecs = (vp->coalesce * 1000000) / HZ; in vector_get_coalesce()
1409 struct vector_private *vp = netdev_priv(netdev); in vector_set_coalesce() local
1411 vp->coalesce = (ec->tx_coalesce_usecs * HZ) / 1000000; in vector_set_coalesce()
1412 if (vp->coalesce == 0) in vector_set_coalesce()
1413 vp->coalesce = 1; in vector_set_coalesce()
1448 struct vector_private *vp = from_timer(vp, t, tl); in vector_timer_expire() local
1450 vp->estats.tx_kicks++; in vector_timer_expire()
1451 vector_send(vp->tx_queue); in vector_timer_expire()
1461 struct vector_private *vp; in vector_eth_configure() local
1488 vp = netdev_priv(dev); in vector_eth_configure()
1505 *vp = ((struct vector_private) in vector_eth_configure()
1507 .list = LIST_HEAD_INIT(vp->list), in vector_eth_configure()
1535 tasklet_init(&vp->tx_poll, vector_tx_poll, (unsigned long)vp); in vector_eth_configure()
1536 INIT_WORK(&vp->reset_tx, vector_reset_tx); in vector_eth_configure()
1538 timer_setup(&vp->tl, vector_timer_expire, 0); in vector_eth_configure()
1539 spin_lock_init(&vp->lock); in vector_eth_configure()