X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fnetdev-dummy.c;h=501fb82b83819e563dfdaa92d0871686107b9693;hb=28c5588e8e1a8d091c5d2275232c35f2968a97fa;hp=da5bb82d1205c7922b6d8194ccb676da24e83ab0;hpb=c0c4982fd6660dc2f5f5e8e675457d7784a25c48;p=sliver-openvswitch.git diff --git a/lib/netdev-dummy.c b/lib/netdev-dummy.c index da5bb82d1..501fb82b8 100644 --- a/lib/netdev-dummy.c +++ b/lib/netdev-dummy.c @@ -20,7 +20,7 @@ #include -#include "connectivity.h" +#include "dpif-netdev.h" #include "flow.h" #include "list.h" #include "netdev-provider.h" @@ -31,7 +31,6 @@ #include "packets.h" #include "pcap-file.h" #include "poll-loop.h" -#include "seq.h" #include "shash.h" #include "sset.h" #include "stream.h" @@ -100,16 +99,16 @@ struct netdev_dummy { struct dummy_packet_conn conn OVS_GUARDED; - FILE *tx_pcap, *rx_pcap OVS_GUARDED; + FILE *tx_pcap, *rxq_pcap OVS_GUARDED; - struct list rxes OVS_GUARDED; /* List of child "netdev_rx_dummy"s. */ + struct list rxes OVS_GUARDED; /* List of child "netdev_rxq_dummy"s. */ }; /* Max 'recv_queue_len' in struct netdev_dummy. */ #define NETDEV_DUMMY_MAX_QUEUE 100 -struct netdev_rx_dummy { - struct netdev_rx up; +struct netdev_rxq_dummy { + struct netdev_rxq up; struct list node; /* In netdev_dummy's "rxes" list. */ struct list recv_queue; int recv_queue_len; /* list_size(&recv_queue). */ @@ -135,11 +134,11 @@ netdev_dummy_cast(const struct netdev *netdev) return CONTAINER_OF(netdev, struct netdev_dummy, up); } -static struct netdev_rx_dummy * -netdev_rx_dummy_cast(const struct netdev_rx *rx) +static struct netdev_rxq_dummy * +netdev_rxq_dummy_cast(const struct netdev_rxq *rx) { ovs_assert(is_dummy_class(netdev_get_class(rx->netdev))); - return CONTAINER_OF(rx, struct netdev_rx_dummy, up); + return CONTAINER_OF(rx, struct netdev_rxq_dummy, up); } static void @@ -197,11 +196,11 @@ dummy_packet_stream_run(struct netdev_dummy *dev, struct dummy_packet_stream *s) int retval; txbuf = ofpbuf_from_list(list_front(&s->txq)); - retval = stream_send(s->stream, txbuf->data, txbuf->size); + retval = stream_send(s->stream, ofpbuf_data(txbuf), ofpbuf_size(txbuf)); if (retval > 0) { ofpbuf_pull(txbuf, retval); - if (!txbuf->size) { + if (!ofpbuf_size(txbuf)) { list_remove(&txbuf->list_node); ofpbuf_delete(txbuf); } @@ -211,17 +210,17 @@ dummy_packet_stream_run(struct netdev_dummy *dev, struct dummy_packet_stream *s) } if (!error) { - if (s->rxbuf.size < 2) { - n = 2 - s->rxbuf.size; + if (ofpbuf_size(&s->rxbuf) < 2) { + n = 2 - ofpbuf_size(&s->rxbuf); } else { uint16_t frame_len; - frame_len = ntohs(get_unaligned_be16(s->rxbuf.data)); + frame_len = ntohs(get_unaligned_be16(ofpbuf_data(&s->rxbuf))); if (frame_len < ETH_HEADER_LEN) { error = EPROTO; n = 0; } else { - n = (2 + frame_len) - s->rxbuf.size; + n = (2 + frame_len) - ofpbuf_size(&s->rxbuf); } } } @@ -232,8 +231,8 @@ dummy_packet_stream_run(struct netdev_dummy *dev, struct dummy_packet_stream *s) retval = stream_recv(s->stream, ofpbuf_tail(&s->rxbuf), n); if (retval > 0) { - s->rxbuf.size += retval; - if (retval == n && s->rxbuf.size > 2) { + ofpbuf_set_size(&s->rxbuf, ofpbuf_size(&s->rxbuf) + retval); + if (retval == n && ofpbuf_size(&s->rxbuf) > 2) { ofpbuf_pull(&s->rxbuf, 2); netdev_dummy_queue_packet(dev, ofpbuf_clone(&s->rxbuf)); @@ -241,7 +240,7 @@ dummy_packet_stream_run(struct netdev_dummy *dev, struct dummy_packet_stream *s) } } else if (retval != -EAGAIN) { error = (retval < 0 ? -retval - : s->rxbuf.size ? EPROTO + : ofpbuf_size(&s->rxbuf) ? EPROTO : EOF); } } @@ -369,7 +368,7 @@ dummy_packet_conn_set_config(struct dummy_packet_conn *conn, reconnect_set_name(reconnect, stream); reconnect_set_passive(reconnect, false, time_msec()); reconnect_enable(reconnect, time_msec()); - reconnect_set_backoff(reconnect, 1000, INT_MAX); + reconnect_set_backoff(reconnect, 100, INT_MAX); reconnect_set_probe_interval(reconnect, 0); conn->u.rconn.reconnect = reconnect; conn->type = ACTIVE; @@ -683,22 +682,22 @@ netdev_dummy_set_config(struct netdev *netdev_, const struct smap *args) dummy_packet_conn_set_config(&netdev->conn, args); - if (netdev->rx_pcap) { - fclose(netdev->rx_pcap); + if (netdev->rxq_pcap) { + fclose(netdev->rxq_pcap); } - if (netdev->tx_pcap && netdev->tx_pcap != netdev->rx_pcap) { + if (netdev->tx_pcap && netdev->tx_pcap != netdev->rxq_pcap) { fclose(netdev->tx_pcap); } - netdev->rx_pcap = netdev->tx_pcap = NULL; + netdev->rxq_pcap = netdev->tx_pcap = NULL; pcap = smap_get(args, "pcap"); if (pcap) { - netdev->rx_pcap = netdev->tx_pcap = ovs_pcap_open(pcap, "ab"); + netdev->rxq_pcap = netdev->tx_pcap = ovs_pcap_open(pcap, "ab"); } else { - const char *rx_pcap = smap_get(args, "rx_pcap"); + const char *rxq_pcap = smap_get(args, "rxq_pcap"); const char *tx_pcap = smap_get(args, "tx_pcap"); - if (rx_pcap) { - netdev->rx_pcap = ovs_pcap_open(rx_pcap, "ab"); + if (rxq_pcap) { + netdev->rxq_pcap = ovs_pcap_open(rxq_pcap, "ab"); } if (tx_pcap) { netdev->tx_pcap = ovs_pcap_open(tx_pcap, "ab"); @@ -710,17 +709,17 @@ netdev_dummy_set_config(struct netdev *netdev_, const struct smap *args) return 0; } -static struct netdev_rx * -netdev_dummy_rx_alloc(void) +static struct netdev_rxq * +netdev_dummy_rxq_alloc(void) { - struct netdev_rx_dummy *rx = xzalloc(sizeof *rx); + struct netdev_rxq_dummy *rx = xzalloc(sizeof *rx); return &rx->up; } static int -netdev_dummy_rx_construct(struct netdev_rx *rx_) +netdev_dummy_rxq_construct(struct netdev_rxq *rxq_) { - struct netdev_rx_dummy *rx = netdev_rx_dummy_cast(rx_); + struct netdev_rxq_dummy *rx = netdev_rxq_dummy_cast(rxq_); struct netdev_dummy *netdev = netdev_dummy_cast(rx->up.netdev); ovs_mutex_lock(&netdev->mutex); @@ -734,9 +733,9 @@ netdev_dummy_rx_construct(struct netdev_rx *rx_) } static void -netdev_dummy_rx_destruct(struct netdev_rx *rx_) +netdev_dummy_rxq_destruct(struct netdev_rxq *rxq_) { - struct netdev_rx_dummy *rx = netdev_rx_dummy_cast(rx_); + struct netdev_rxq_dummy *rx = netdev_rxq_dummy_cast(rxq_); struct netdev_dummy *netdev = netdev_dummy_cast(rx->up.netdev); ovs_mutex_lock(&netdev->mutex); @@ -747,20 +746,19 @@ netdev_dummy_rx_destruct(struct netdev_rx *rx_) } static void -netdev_dummy_rx_dealloc(struct netdev_rx *rx_) +netdev_dummy_rxq_dealloc(struct netdev_rxq *rxq_) { - struct netdev_rx_dummy *rx = netdev_rx_dummy_cast(rx_); + struct netdev_rxq_dummy *rx = netdev_rxq_dummy_cast(rxq_); free(rx); } static int -netdev_dummy_rx_recv(struct netdev_rx *rx_, struct ofpbuf *buffer) +netdev_dummy_rxq_recv(struct netdev_rxq *rxq_, struct ofpbuf **arr, int *c) { - struct netdev_rx_dummy *rx = netdev_rx_dummy_cast(rx_); + struct netdev_rxq_dummy *rx = netdev_rxq_dummy_cast(rxq_); struct netdev_dummy *netdev = netdev_dummy_cast(rx->up.netdev); struct ofpbuf *packet; - int retval; ovs_mutex_lock(&netdev->mutex); if (!list_is_empty(&rx->recv_queue)) { @@ -774,28 +772,21 @@ netdev_dummy_rx_recv(struct netdev_rx *rx_, struct ofpbuf *buffer) if (!packet) { return EAGAIN; } + ovs_mutex_lock(&netdev->mutex); + netdev->stats.rx_packets++; + netdev->stats.rx_bytes += ofpbuf_size(packet); + ovs_mutex_unlock(&netdev->mutex); - if (packet->size <= ofpbuf_tailroom(buffer)) { - memcpy(buffer->data, packet->data, packet->size); - buffer->size += packet->size; - retval = 0; - - ovs_mutex_lock(&netdev->mutex); - netdev->stats.rx_packets++; - netdev->stats.rx_bytes += packet->size; - ovs_mutex_unlock(&netdev->mutex); - } else { - retval = EMSGSIZE; - } - ofpbuf_delete(packet); - - return retval; + dp_packet_pad(packet); + arr[0] = packet; + *c = 1; + return 0; } static void -netdev_dummy_rx_wait(struct netdev_rx *rx_) +netdev_dummy_rxq_wait(struct netdev_rxq *rxq_) { - struct netdev_rx_dummy *rx = netdev_rx_dummy_cast(rx_); + struct netdev_rxq_dummy *rx = netdev_rxq_dummy_cast(rxq_); struct netdev_dummy *netdev = netdev_dummy_cast(rx->up.netdev); uint64_t seq = seq_read(rx->seq); @@ -809,9 +800,9 @@ netdev_dummy_rx_wait(struct netdev_rx *rx_) } static int -netdev_dummy_rx_drain(struct netdev_rx *rx_) +netdev_dummy_rxq_drain(struct netdev_rxq *rxq_) { - struct netdev_rx_dummy *rx = netdev_rx_dummy_cast(rx_); + struct netdev_rxq_dummy *rx = netdev_rxq_dummy_cast(rxq_); struct netdev_dummy *netdev = netdev_dummy_cast(rx->up.netdev); ovs_mutex_lock(&netdev->mutex); @@ -825,9 +816,11 @@ netdev_dummy_rx_drain(struct netdev_rx *rx_) } static int -netdev_dummy_send(struct netdev *netdev, const void *buffer, size_t size) +netdev_dummy_send(struct netdev *netdev, struct ofpbuf *pkt, bool may_steal) { struct netdev_dummy *dev = netdev_dummy_cast(netdev); + const void *buffer = ofpbuf_data(pkt); + size_t size = ofpbuf_size(pkt); if (size < ETH_HEADER_LEN) { return EMSGSIZE; @@ -862,6 +855,9 @@ netdev_dummy_send(struct netdev *netdev, const void *buffer, size_t size) } ovs_mutex_unlock(&dev->mutex); + if (may_steal) { + ofpbuf_delete(pkt); + } return 0; } @@ -875,7 +871,7 @@ netdev_dummy_set_etheraddr(struct netdev *netdev, ovs_mutex_lock(&dev->mutex); if (!eth_addr_equals(dev->hwaddr, mac)) { memcpy(dev->hwaddr, mac, ETH_ADDR_LEN); - seq_change(connectivity_seq_get()); + netdev_change_seq_changed(netdev); } ovs_mutex_unlock(&dev->mutex); @@ -970,7 +966,7 @@ netdev_dummy_update_flags__(struct netdev_dummy *netdev, netdev->flags |= on; netdev->flags &= ~off; if (*old_flagsp != netdev->flags) { - seq_change(connectivity_seq_get()); + netdev_change_seq_changed(&netdev->up); } return 0; @@ -1048,13 +1044,13 @@ static const struct netdev_class dummy_class = { netdev_dummy_update_flags, - netdev_dummy_rx_alloc, - netdev_dummy_rx_construct, - netdev_dummy_rx_destruct, - netdev_dummy_rx_dealloc, - netdev_dummy_rx_recv, - netdev_dummy_rx_wait, - netdev_dummy_rx_drain, + netdev_dummy_rxq_alloc, + netdev_dummy_rxq_construct, + netdev_dummy_rxq_destruct, + netdev_dummy_rxq_dealloc, + netdev_dummy_rxq_recv, + netdev_dummy_rxq_wait, + netdev_dummy_rxq_drain, }; static struct ofpbuf * @@ -1084,7 +1080,7 @@ eth_from_packet_or_flow(const char *s) } /* Convert odp_key to flow. */ - fitness = odp_flow_key_to_flow(odp_key.data, odp_key.size, &flow); + fitness = odp_flow_key_to_flow(ofpbuf_data(&odp_key), ofpbuf_size(&odp_key), &flow); if (fitness == ODP_FIT_ERROR) { ofpbuf_uninit(&odp_key); return NULL; @@ -1098,7 +1094,7 @@ eth_from_packet_or_flow(const char *s) } static void -netdev_dummy_queue_packet__(struct netdev_rx_dummy *rx, struct ofpbuf *packet) +netdev_dummy_queue_packet__(struct netdev_rxq_dummy *rx, struct ofpbuf *packet) { list_push_back(&rx->recv_queue, &packet->list_node); rx->recv_queue_len++; @@ -1109,11 +1105,11 @@ static void netdev_dummy_queue_packet(struct netdev_dummy *dummy, struct ofpbuf *packet) OVS_REQUIRES(dummy->mutex) { - struct netdev_rx_dummy *rx, *prev; + struct netdev_rxq_dummy *rx, *prev; - if (dummy->rx_pcap) { - ovs_pcap_write(dummy->rx_pcap, packet); - fflush(dummy->rx_pcap); + if (dummy->rxq_pcap) { + ovs_pcap_write(dummy->rxq_pcap, packet); + fflush(dummy->rxq_pcap); } prev = NULL; LIST_FOR_EACH (rx, node, &dummy->rxes) {