X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fvirtio%2Fvirtio_ethdev.c;h=0a2ed2e500e74c290b592b4cc54f43fc11adb393;hb=7ed1cd53dbb515328f8780aa95aabce85e1ffb2f;hp=f452a9a799df7ed161b1a9f77dd3d3263907b74d;hpb=4cdc4d98313e717df7d1dba769d71e7e4050da54;p=dpdk.git diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c index f452a9a799..0a2ed2e500 100644 --- a/drivers/net/virtio/virtio_ethdev.c +++ b/drivers/net/virtio/virtio_ethdev.c @@ -35,16 +35,17 @@ #include "virtio_logs.h" #include "virtqueue.h" #include "virtio_rxtx.h" +#include "virtio_user/virtio_user_dev.h" static int eth_virtio_dev_uninit(struct rte_eth_dev *eth_dev); static int virtio_dev_configure(struct rte_eth_dev *dev); static int virtio_dev_start(struct rte_eth_dev *dev); static void virtio_dev_stop(struct rte_eth_dev *dev); -static void virtio_dev_promiscuous_enable(struct rte_eth_dev *dev); -static void virtio_dev_promiscuous_disable(struct rte_eth_dev *dev); -static void virtio_dev_allmulticast_enable(struct rte_eth_dev *dev); -static void virtio_dev_allmulticast_disable(struct rte_eth_dev *dev); -static void virtio_dev_info_get(struct rte_eth_dev *dev, +static int virtio_dev_promiscuous_enable(struct rte_eth_dev *dev); +static int virtio_dev_promiscuous_disable(struct rte_eth_dev *dev); +static int virtio_dev_allmulticast_enable(struct rte_eth_dev *dev); +static int virtio_dev_allmulticast_disable(struct rte_eth_dev *dev); +static int virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info); static int virtio_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete); @@ -60,16 +61,16 @@ static int virtio_dev_xstats_get(struct rte_eth_dev *dev, static int virtio_dev_xstats_get_names(struct rte_eth_dev *dev, struct rte_eth_xstat_name *xstats_names, unsigned limit); -static void virtio_dev_stats_reset(struct rte_eth_dev *dev); +static int virtio_dev_stats_reset(struct rte_eth_dev *dev); static void virtio_dev_free_mbufs(struct rte_eth_dev *dev); static int virtio_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on); static int virtio_mac_addr_add(struct rte_eth_dev *dev, - struct ether_addr *mac_addr, + struct rte_ether_addr *mac_addr, uint32_t index, uint32_t vmdq); static void virtio_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index); static int virtio_mac_addr_set(struct rte_eth_dev *dev, - struct ether_addr *mac_addr); + struct rte_ether_addr *mac_addr); static int virtio_intr_disable(struct rte_eth_dev *dev); @@ -120,7 +121,6 @@ static const struct rte_virtio_xstats_name_off rte_virtio_rxq_stat_strings[] = { static const struct rte_virtio_xstats_name_off rte_virtio_txq_stat_strings[] = { {"good_packets", offsetof(struct virtnet_tx, stats.packets)}, {"good_bytes", offsetof(struct virtnet_tx, stats.bytes)}, - {"errors", offsetof(struct virtnet_tx, stats.errors)}, {"multicast_packets", offsetof(struct virtnet_tx, stats.multicast)}, {"broadcast_packets", offsetof(struct virtnet_tx, stats.broadcast)}, {"undersize_packets", offsetof(struct virtnet_tx, stats.size_bins[0])}, @@ -168,8 +168,7 @@ virtio_send_command_packed(struct virtnet_ctl *cvq, nb_descs++; if (++vq->vq_avail_idx >= vq->vq_nentries) { vq->vq_avail_idx -= vq->vq_nentries; - vq->vq_packed.cached_flags ^= - VRING_DESC_F_AVAIL(1) | VRING_DESC_F_USED(1); + vq->vq_packed.cached_flags ^= VRING_PACKED_DESC_F_AVAIL_USED; } for (k = 0; k < pkt_num; k++) { @@ -185,7 +184,7 @@ virtio_send_command_packed(struct virtnet_ctl *cvq, if (++vq->vq_avail_idx >= vq->vq_nentries) { vq->vq_avail_idx -= vq->vq_nentries; vq->vq_packed.cached_flags ^= - VRING_DESC_F_AVAIL(1) | VRING_DESC_F_USED(1); + VRING_PACKED_DESC_F_AVAIL_USED; } } @@ -198,8 +197,7 @@ virtio_send_command_packed(struct virtnet_ctl *cvq, nb_descs++; if (++vq->vq_avail_idx >= vq->vq_nentries) { vq->vq_avail_idx -= vq->vq_nentries; - vq->vq_packed.cached_flags ^= - VRING_DESC_F_AVAIL(1) | VRING_DESC_F_USED(1); + vq->vq_packed.cached_flags ^= VRING_PACKED_DESC_F_AVAIL_USED; } virtio_wmb(vq->hw->weak_barriers); @@ -237,44 +235,18 @@ virtio_send_command_packed(struct virtnet_ctl *cvq, return result; } -static int -virtio_send_command(struct virtnet_ctl *cvq, struct virtio_pmd_ctrl *ctrl, - int *dlen, int pkt_num) +static struct virtio_pmd_ctrl * +virtio_send_command_split(struct virtnet_ctl *cvq, + struct virtio_pmd_ctrl *ctrl, + int *dlen, int pkt_num) { + struct virtio_pmd_ctrl *result; + struct virtqueue *vq = cvq->vq; uint32_t head, i; int k, sum = 0; - virtio_net_ctrl_ack status = ~0; - struct virtio_pmd_ctrl *result; - struct virtqueue *vq; - ctrl->status = status; - - if (!cvq || !cvq->vq) { - PMD_INIT_LOG(ERR, "Control queue is not supported."); - return -1; - } - - rte_spinlock_lock(&cvq->lock); - vq = cvq->vq; head = vq->vq_desc_head_idx; - PMD_INIT_LOG(DEBUG, "vq->vq_desc_head_idx = %d, status = %d, " - "vq->hw->cvq = %p vq = %p", - vq->vq_desc_head_idx, status, vq->hw->cvq, vq); - - if (vq->vq_free_cnt < pkt_num + 2 || pkt_num < 1) { - rte_spinlock_unlock(&cvq->lock); - return -1; - } - - memcpy(cvq->virtio_net_hdr_mz->addr, ctrl, - sizeof(struct virtio_pmd_ctrl)); - - if (vtpci_packed_queue(vq->hw)) { - result = virtio_send_command_packed(cvq, ctrl, dlen, pkt_num); - goto out_unlock; - } - /* * Format is enforced in qemu code: * One TX packet for header; @@ -346,8 +318,44 @@ virtio_send_command(struct virtnet_ctl *cvq, struct virtio_pmd_ctrl *ctrl, vq->vq_free_cnt, vq->vq_desc_head_idx); result = cvq->virtio_net_hdr_mz->addr; + return result; +} + +static int +virtio_send_command(struct virtnet_ctl *cvq, struct virtio_pmd_ctrl *ctrl, + int *dlen, int pkt_num) +{ + virtio_net_ctrl_ack status = ~0; + struct virtio_pmd_ctrl *result; + struct virtqueue *vq; + + ctrl->status = status; + + if (!cvq || !cvq->vq) { + PMD_INIT_LOG(ERR, "Control queue is not supported."); + return -1; + } + + rte_spinlock_lock(&cvq->lock); + vq = cvq->vq; + + PMD_INIT_LOG(DEBUG, "vq->vq_desc_head_idx = %d, status = %d, " + "vq->hw->cvq = %p vq = %p", + vq->vq_desc_head_idx, status, vq->hw->cvq, vq); + + if (vq->vq_free_cnt < pkt_num + 2 || pkt_num < 1) { + rte_spinlock_unlock(&cvq->lock); + return -1; + } + + memcpy(cvq->virtio_net_hdr_mz->addr, ctrl, + sizeof(struct virtio_pmd_ctrl)); + + if (vtpci_packed_queue(vq->hw)) + result = virtio_send_command_packed(cvq, ctrl, dlen, pkt_num); + else + result = virtio_send_command_split(cvq, ctrl, dlen, pkt_num); -out_unlock: rte_spinlock_unlock(&cvq->lock); return result->status; } @@ -492,7 +500,7 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx) vq->vq_nentries = vq_size; if (vtpci_packed_queue(hw)) { vq->vq_packed.used_wrap_counter = 1; - vq->vq_packed.cached_flags = VRING_DESC_F_AVAIL(1); + vq->vq_packed.cached_flags = VRING_PACKED_DESC_F_AVAIL; vq->vq_packed.event_flags_shadow = 0; if (queue_type == VTNET_RQ) vq->vq_packed.cached_flags |= VRING_DESC_F_WRITE; @@ -603,17 +611,9 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx) memset(txr, 0, vq_size * sizeof(*txr)); for (i = 0; i < vq_size; i++) { struct vring_desc *start_dp = txr[i].tx_indir; - struct vring_packed_desc *start_dp_packed = - txr[i].tx_indir_pq; /* first indirect descriptor is always the tx header */ - if (vtpci_packed_queue(hw)) { - start_dp_packed->addr = txvq->virtio_net_hdr_mem - + i * sizeof(*txr) - + offsetof(struct virtio_tx_region, - tx_hdr); - start_dp_packed->len = hw->vtnet_hdr_size; - } else { + if (!vtpci_packed_queue(hw)) { vring_desc_init_split(start_dp, RTE_DIM(txr[i].tx_indir)); start_dp->addr = txvq->virtio_net_hdr_mem @@ -733,9 +733,20 @@ virtio_dev_close(struct rte_eth_dev *dev) vtpci_reset(hw); virtio_dev_free_mbufs(dev); virtio_free_queues(hw); + +#ifdef RTE_VIRTIO_USER + if (hw->virtio_user_dev) + virtio_user_dev_uninit(hw->virtio_user_dev); + else +#endif + if (dev->device) { + rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(dev)); + if (!hw->modern) + rte_pci_ioport_unmap(VTPCI_IO(hw)); + } } -static void +static int virtio_dev_promiscuous_enable(struct rte_eth_dev *dev) { struct virtio_hw *hw = dev->data->dev_private; @@ -745,7 +756,7 @@ virtio_dev_promiscuous_enable(struct rte_eth_dev *dev) if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) { PMD_INIT_LOG(INFO, "host does not support rx control"); - return; + return -ENOTSUP; } ctrl.hdr.class = VIRTIO_NET_CTRL_RX; @@ -754,11 +765,15 @@ virtio_dev_promiscuous_enable(struct rte_eth_dev *dev) dlen[0] = 1; ret = virtio_send_command(hw->cvq, &ctrl, dlen, 1); - if (ret) + if (ret) { PMD_INIT_LOG(ERR, "Failed to enable promisc"); + return -EAGAIN; + } + + return 0; } -static void +static int virtio_dev_promiscuous_disable(struct rte_eth_dev *dev) { struct virtio_hw *hw = dev->data->dev_private; @@ -768,7 +783,7 @@ virtio_dev_promiscuous_disable(struct rte_eth_dev *dev) if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) { PMD_INIT_LOG(INFO, "host does not support rx control"); - return; + return -ENOTSUP; } ctrl.hdr.class = VIRTIO_NET_CTRL_RX; @@ -777,11 +792,15 @@ virtio_dev_promiscuous_disable(struct rte_eth_dev *dev) dlen[0] = 1; ret = virtio_send_command(hw->cvq, &ctrl, dlen, 1); - if (ret) + if (ret) { PMD_INIT_LOG(ERR, "Failed to disable promisc"); + return -EAGAIN; + } + + return 0; } -static void +static int virtio_dev_allmulticast_enable(struct rte_eth_dev *dev) { struct virtio_hw *hw = dev->data->dev_private; @@ -791,7 +810,7 @@ virtio_dev_allmulticast_enable(struct rte_eth_dev *dev) if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) { PMD_INIT_LOG(INFO, "host does not support rx control"); - return; + return -ENOTSUP; } ctrl.hdr.class = VIRTIO_NET_CTRL_RX; @@ -800,11 +819,15 @@ virtio_dev_allmulticast_enable(struct rte_eth_dev *dev) dlen[0] = 1; ret = virtio_send_command(hw->cvq, &ctrl, dlen, 1); - if (ret) + if (ret) { PMD_INIT_LOG(ERR, "Failed to enable allmulticast"); + return -EAGAIN; + } + + return 0; } -static void +static int virtio_dev_allmulticast_disable(struct rte_eth_dev *dev) { struct virtio_hw *hw = dev->data->dev_private; @@ -814,7 +837,7 @@ virtio_dev_allmulticast_disable(struct rte_eth_dev *dev) if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) { PMD_INIT_LOG(INFO, "host does not support rx control"); - return; + return -ENOTSUP; } ctrl.hdr.class = VIRTIO_NET_CTRL_RX; @@ -823,8 +846,12 @@ virtio_dev_allmulticast_disable(struct rte_eth_dev *dev) dlen[0] = 1; ret = virtio_send_command(hw->cvq, &ctrl, dlen, 1); - if (ret) + if (ret) { PMD_INIT_LOG(ERR, "Failed to disable allmulticast"); + return -EAGAIN; + } + + return 0; } #define VLAN_TAG_LEN 4 /* 802.3ac tag (not DMA'd) */ @@ -832,16 +859,16 @@ static int virtio_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) { struct virtio_hw *hw = dev->data->dev_private; - uint32_t ether_hdr_len = ETHER_HDR_LEN + VLAN_TAG_LEN + + uint32_t ether_hdr_len = RTE_ETHER_HDR_LEN + VLAN_TAG_LEN + hw->vtnet_hdr_size; uint32_t frame_size = mtu + ether_hdr_len; uint32_t max_frame_size = hw->max_mtu + ether_hdr_len; max_frame_size = RTE_MIN(max_frame_size, VIRTIO_MAX_RX_PKTLEN); - if (mtu < ETHER_MIN_MTU || frame_size > max_frame_size) { + if (mtu < RTE_ETHER_MIN_MTU || frame_size > max_frame_size) { PMD_INIT_LOG(ERR, "MTU should be between %d and %d", - ETHER_MIN_MTU, max_frame_size - ether_hdr_len); + RTE_ETHER_MIN_MTU, max_frame_size - ether_hdr_len); return -EINVAL; } return 0; @@ -905,6 +932,21 @@ static const struct eth_dev_ops virtio_eth_dev_ops = { .mac_addr_set = virtio_mac_addr_set, }; +/* + * dev_ops for virtio-user in secondary processes, as we just have + * some limited supports currently. + */ +const struct eth_dev_ops virtio_user_secondary_eth_dev_ops = { + .dev_infos_get = virtio_dev_info_get, + .stats_get = virtio_dev_stats_get, + .xstats_get = virtio_dev_xstats_get, + .xstats_get_names = virtio_dev_xstats_get_names, + .stats_reset = virtio_dev_stats_reset, + .xstats_reset = virtio_dev_stats_reset, + /* collect stats per queue */ + .queue_stats_mapping_set = virtio_dev_queue_stats_mapping_set, +}; + static void virtio_update_stats(struct rte_eth_dev *dev, struct rte_eth_stats *stats) { @@ -917,7 +959,6 @@ virtio_update_stats(struct rte_eth_dev *dev, struct rte_eth_stats *stats) stats->opackets += txvq->stats.packets; stats->obytes += txvq->stats.bytes; - stats->oerrors += txvq->stats.errors; if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) { stats->q_opackets[i] = txvq->stats.packets; @@ -1043,7 +1084,7 @@ virtio_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) return 0; } -static void +static int virtio_dev_stats_reset(struct rte_eth_dev *dev) { unsigned int i; @@ -1055,7 +1096,6 @@ virtio_dev_stats_reset(struct rte_eth_dev *dev) txvq->stats.packets = 0; txvq->stats.bytes = 0; - txvq->stats.errors = 0; txvq->stats.multicast = 0; txvq->stats.broadcast = 0; memset(txvq->stats.size_bins, 0, @@ -1075,6 +1115,8 @@ virtio_dev_stats_reset(struct rte_eth_dev *dev) memset(rxvq->stats.size_bins, 0, sizeof(rxvq->stats.size_bins[0]) * 8); } + + return 0; } static void @@ -1082,7 +1124,7 @@ virtio_set_hwaddr(struct virtio_hw *hw) { vtpci_write_dev_config(hw, offsetof(struct virtio_net_config, mac), - &hw->mac_addr, ETHER_ADDR_LEN); + &hw->mac_addr, RTE_ETHER_ADDR_LEN); } static void @@ -1091,9 +1133,9 @@ virtio_get_hwaddr(struct virtio_hw *hw) if (vtpci_with_feature(hw, VIRTIO_NET_F_MAC)) { vtpci_read_dev_config(hw, offsetof(struct virtio_net_config, mac), - &hw->mac_addr, ETHER_ADDR_LEN); + &hw->mac_addr, RTE_ETHER_ADDR_LEN); } else { - eth_random_addr(&hw->mac_addr[0]); + rte_eth_random_addr(&hw->mac_addr[0]); virtio_set_hwaddr(hw); } } @@ -1114,10 +1156,10 @@ virtio_mac_table_set(struct virtio_hw *hw, ctrl.hdr.class = VIRTIO_NET_CTRL_MAC; ctrl.hdr.cmd = VIRTIO_NET_CTRL_MAC_TABLE_SET; - len[0] = uc->entries * ETHER_ADDR_LEN + sizeof(uc->entries); + len[0] = uc->entries * RTE_ETHER_ADDR_LEN + sizeof(uc->entries); memcpy(ctrl.data, uc, len[0]); - len[1] = mc->entries * ETHER_ADDR_LEN + sizeof(mc->entries); + len[1] = mc->entries * RTE_ETHER_ADDR_LEN + sizeof(mc->entries); memcpy(ctrl.data + len[0], mc, len[1]); err = virtio_send_command(hw->cvq, &ctrl, len, 2); @@ -1127,11 +1169,11 @@ virtio_mac_table_set(struct virtio_hw *hw, } static int -virtio_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac_addr, +virtio_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr, uint32_t index, uint32_t vmdq __rte_unused) { struct virtio_hw *hw = dev->data->dev_private; - const struct ether_addr *addrs = dev->data->mac_addrs; + const struct rte_ether_addr *addrs = dev->data->mac_addrs; unsigned int i; struct virtio_net_ctrl_mac *uc, *mc; @@ -1140,18 +1182,20 @@ virtio_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac_addr, return -EINVAL; } - uc = alloca(VIRTIO_MAX_MAC_ADDRS * ETHER_ADDR_LEN + sizeof(uc->entries)); + uc = alloca(VIRTIO_MAX_MAC_ADDRS * RTE_ETHER_ADDR_LEN + + sizeof(uc->entries)); uc->entries = 0; - mc = alloca(VIRTIO_MAX_MAC_ADDRS * ETHER_ADDR_LEN + sizeof(mc->entries)); + mc = alloca(VIRTIO_MAX_MAC_ADDRS * RTE_ETHER_ADDR_LEN + + sizeof(mc->entries)); mc->entries = 0; for (i = 0; i < VIRTIO_MAX_MAC_ADDRS; i++) { - const struct ether_addr *addr + const struct rte_ether_addr *addr = (i == index) ? mac_addr : addrs + i; struct virtio_net_ctrl_mac *tbl - = is_multicast_ether_addr(addr) ? mc : uc; + = rte_is_multicast_ether_addr(addr) ? mc : uc; - memcpy(&tbl->macs[tbl->entries++], addr, ETHER_ADDR_LEN); + memcpy(&tbl->macs[tbl->entries++], addr, RTE_ETHER_ADDR_LEN); } return virtio_mac_table_set(hw, uc, mc); @@ -1161,7 +1205,7 @@ static void virtio_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index) { struct virtio_hw *hw = dev->data->dev_private; - struct ether_addr *addrs = dev->data->mac_addrs; + struct rte_ether_addr *addrs = dev->data->mac_addrs; struct virtio_net_ctrl_mac *uc, *mc; unsigned int i; @@ -1170,40 +1214,43 @@ virtio_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index) return; } - uc = alloca(VIRTIO_MAX_MAC_ADDRS * ETHER_ADDR_LEN + sizeof(uc->entries)); + uc = alloca(VIRTIO_MAX_MAC_ADDRS * RTE_ETHER_ADDR_LEN + + sizeof(uc->entries)); uc->entries = 0; - mc = alloca(VIRTIO_MAX_MAC_ADDRS * ETHER_ADDR_LEN + sizeof(mc->entries)); + mc = alloca(VIRTIO_MAX_MAC_ADDRS * RTE_ETHER_ADDR_LEN + + sizeof(mc->entries)); mc->entries = 0; for (i = 0; i < VIRTIO_MAX_MAC_ADDRS; i++) { struct virtio_net_ctrl_mac *tbl; - if (i == index || is_zero_ether_addr(addrs + i)) + if (i == index || rte_is_zero_ether_addr(addrs + i)) continue; - tbl = is_multicast_ether_addr(addrs + i) ? mc : uc; - memcpy(&tbl->macs[tbl->entries++], addrs + i, ETHER_ADDR_LEN); + tbl = rte_is_multicast_ether_addr(addrs + i) ? mc : uc; + memcpy(&tbl->macs[tbl->entries++], addrs + i, + RTE_ETHER_ADDR_LEN); } virtio_mac_table_set(hw, uc, mc); } static int -virtio_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr) +virtio_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr) { struct virtio_hw *hw = dev->data->dev_private; - memcpy(hw->mac_addr, mac_addr, ETHER_ADDR_LEN); + memcpy(hw->mac_addr, mac_addr, RTE_ETHER_ADDR_LEN); /* Use atomic update if available */ if (vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_MAC_ADDR)) { struct virtio_pmd_ctrl ctrl; - int len = ETHER_ADDR_LEN; + int len = RTE_ETHER_ADDR_LEN; ctrl.hdr.class = VIRTIO_NET_CTRL_MAC; ctrl.hdr.cmd = VIRTIO_NET_CTRL_MAC_ADDR_SET; - memcpy(ctrl.data, mac_addr, ETHER_ADDR_LEN); + memcpy(ctrl.data, mac_addr, RTE_ETHER_ADDR_LEN); return virtio_send_command(hw->cvq, &ctrl, &len, 1); } @@ -1232,6 +1279,20 @@ virtio_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on) return virtio_send_command(hw->cvq, &ctrl, &len, 1); } +static int +virtio_intr_unmask(struct rte_eth_dev *dev) +{ + struct virtio_hw *hw = dev->data->dev_private; + + if (rte_intr_ack(dev->intr_handle) < 0) + return -1; + + if (!hw->virtio_user_dev) + hw->use_msix = vtpci_msix_detect(RTE_ETH_DEV_TO_PCI(dev)); + + return 0; +} + static int virtio_intr_enable(struct rte_eth_dev *dev) { @@ -1282,7 +1343,7 @@ virtio_negotiate_features(struct virtio_hw *hw, uint64_t req_features) offsetof(struct virtio_net_config, mtu), &config.mtu, sizeof(config.mtu)); - if (config.mtu < ETHER_MIN_MTU) + if (config.mtu < RTE_ETHER_MIN_MTU) req_features &= ~(1ULL << VIRTIO_NET_F_MTU); } @@ -1380,7 +1441,7 @@ virtio_notify_peers(struct rte_eth_dev *dev) return; rarp_mbuf = rte_net_make_rarp_packet(rxvq->mpool, - (struct ether_addr *)hw->mac_addr); + (struct rte_ether_addr *)hw->mac_addr); if (rarp_mbuf == NULL) { PMD_DRV_LOG(ERR, "failed to make RARP packet."); return; @@ -1425,7 +1486,7 @@ virtio_interrupt_handler(void *param) isr = vtpci_isr(hw); PMD_DRV_LOG(INFO, "interrupt status = %#x", isr); - if (virtio_intr_enable(dev) < 0) + if (virtio_intr_unmask(dev) < 0) PMD_DRV_LOG(ERR, "interrupt enable failed"); if (isr & VIRTIO_PCI_ISR_CONFIG) { @@ -1453,6 +1514,7 @@ set_rxtx_funcs(struct rte_eth_dev *eth_dev) { struct virtio_hw *hw = eth_dev->data->dev_private; + eth_dev->tx_pkt_prepare = virtio_xmit_pkts_prepare; if (vtpci_packed_queue(hw)) { PMD_INIT_LOG(INFO, "virtio: using packed ring %s Tx path on port %u", @@ -1625,10 +1687,8 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features) hw->weak_barriers = !vtpci_with_feature(hw, VIRTIO_F_ORDER_PLATFORM); - if (!hw->virtio_user_dev) { + if (!hw->virtio_user_dev) pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); - rte_eth_copy_pci_info(eth_dev, pci_dev); - } /* If host does not support both status and MSI-X then disable LSC */ if (vtpci_with_feature(hw, VIRTIO_NET_F_STATUS) && @@ -1647,7 +1707,7 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features) /* Copy the permanent MAC address to: virtio_hw */ virtio_get_hwaddr(hw); - ether_addr_copy((struct ether_addr *) hw->mac_addr, + rte_ether_addr_copy((struct rte_ether_addr *)hw->mac_addr, ð_dev->data->mac_addrs[0]); PMD_INIT_LOG(DEBUG, "PORT MAC: %02X:%02X:%02X:%02X:%02X:%02X", @@ -1695,7 +1755,7 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features) * time, but check again in case it has changed since * then, which should not happen. */ - if (config->mtu < ETHER_MIN_MTU) { + if (config->mtu < RTE_ETHER_MIN_MTU) { PMD_INIT_LOG(ERR, "invalid max MTU value (%u)", config->mtu); return -1; @@ -1706,7 +1766,7 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features) eth_dev->data->mtu = config->mtu; } else { - hw->max_mtu = VIRTIO_MAX_RX_PKTLEN - ETHER_HDR_LEN - + hw->max_mtu = VIRTIO_MAX_RX_PKTLEN - RTE_ETHER_HDR_LEN - VLAN_TAG_LEN - hw->vtnet_hdr_size; } @@ -1721,7 +1781,7 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features) } else { PMD_INIT_LOG(DEBUG, "config->max_virtqueue_pairs=1"); hw->max_queue_pairs = 1; - hw->max_mtu = VIRTIO_MAX_RX_PKTLEN - ETHER_HDR_LEN - + hw->max_mtu = VIRTIO_MAX_RX_PKTLEN - RTE_ETHER_HDR_LEN - VLAN_TAG_LEN - hw->vtnet_hdr_size; } @@ -1732,6 +1792,7 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features) if (eth_dev->data->dev_conf.intr_conf.rxq) { if (virtio_configure_intr(eth_dev) < 0) { PMD_INIT_LOG(ERR, "failed to configure interrupt"); + virtio_free_queues(hw); return -1; } } @@ -1802,7 +1863,14 @@ eth_virtio_dev_init(struct rte_eth_dev *eth_dev) struct virtio_hw *hw = eth_dev->data->dev_private; int ret; - RTE_BUILD_BUG_ON(RTE_PKTMBUF_HEADROOM < sizeof(struct virtio_net_hdr_mrg_rxbuf)); + if (sizeof(struct virtio_net_hdr_mrg_rxbuf) > RTE_PKTMBUF_HEADROOM) { + PMD_INIT_LOG(ERR, + "Not sufficient headroom required = %d, avail = %d", + (int)sizeof(struct virtio_net_hdr_mrg_rxbuf), + RTE_PKTMBUF_HEADROOM); + + return -1; + } eth_dev->dev_ops = &virtio_eth_dev_ops; @@ -1819,12 +1887,19 @@ eth_virtio_dev_init(struct rte_eth_dev *eth_dev) return 0; } + /* + * Pass the information to the rte_eth_dev_close() that it should also + * release the private port resources. + */ + eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE; + /* Allocate memory for storing MAC addresses */ - eth_dev->data->mac_addrs = rte_zmalloc("virtio", VIRTIO_MAX_MAC_ADDRS * ETHER_ADDR_LEN, 0); + eth_dev->data->mac_addrs = rte_zmalloc("virtio", + VIRTIO_MAX_MAC_ADDRS * RTE_ETHER_ADDR_LEN, 0); if (eth_dev->data->mac_addrs == NULL) { PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to store MAC addresses", - VIRTIO_MAX_MAC_ADDRS * ETHER_ADDR_LEN); + VIRTIO_MAX_MAC_ADDRS * RTE_ETHER_ADDR_LEN); return -ENOMEM; } @@ -1835,18 +1910,27 @@ eth_virtio_dev_init(struct rte_eth_dev *eth_dev) if (!hw->virtio_user_dev) { ret = vtpci_init(RTE_ETH_DEV_TO_PCI(eth_dev), hw); if (ret) - goto out; + goto err_vtpci_init; } /* reset device and negotiate default features */ ret = virtio_init_device(eth_dev, VIRTIO_PMD_DEFAULT_GUEST_FEATURES); if (ret < 0) - goto out; + goto err_virtio_init; + + hw->opened = true; return 0; -out: +err_virtio_init: + if (!hw->virtio_user_dev) { + rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(eth_dev)); + if (!hw->modern) + rte_pci_ioport_unmap(VTPCI_IO(hw)); + } +err_vtpci_init: rte_free(eth_dev->data->mac_addrs); + eth_dev->data->mac_addrs = NULL; return ret; } @@ -1865,9 +1949,6 @@ eth_virtio_dev_uninit(struct rte_eth_dev *eth_dev) eth_dev->tx_pkt_burst = NULL; eth_dev->rx_pkt_burst = NULL; - if (eth_dev->device) - rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(eth_dev)); - PMD_INIT_LOG(DEBUG, "dev_uninit completed"); return 0; @@ -1914,11 +1995,6 @@ exit: static int eth_virtio_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, struct rte_pci_device *pci_dev) { - if (rte_eal_iopl_init() != 0) { - PMD_INIT_LOG(ERR, "IOPL call failed - cannot use virtio PMD"); - return 1; - } - /* virtio pmd skips probe if device needs to work in vdpa mode */ if (vdpa_mode_selected(pci_dev->device.devargs)) return 1; @@ -1929,7 +2005,13 @@ static int eth_virtio_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, static int eth_virtio_pci_remove(struct rte_pci_device *pci_dev) { - return rte_eth_dev_pci_generic_remove(pci_dev, eth_virtio_dev_uninit); + int ret; + + ret = rte_eth_dev_pci_generic_remove(pci_dev, eth_virtio_dev_uninit); + /* Port has already been released by close. */ + if (ret == -ENODEV) + ret = 0; + return ret; } static struct rte_pci_driver rte_virtio_pmd = { @@ -1974,7 +2056,7 @@ virtio_dev_configure(struct rte_eth_dev *dev) const struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode; const struct rte_eth_txmode *txmode = &dev->data->dev_conf.txmode; struct virtio_hw *hw = dev->data->dev_private; - uint32_t ether_hdr_len = ETHER_HDR_LEN + VLAN_TAG_LEN + + uint32_t ether_hdr_len = RTE_ETHER_HDR_LEN + VLAN_TAG_LEN + hw->vtnet_hdr_size; uint64_t rx_offloads = rxmode->offloads; uint64_t tx_offloads = txmode->offloads; @@ -2089,8 +2171,6 @@ virtio_dev_configure(struct rte_eth_dev *dev) DEV_RX_OFFLOAD_VLAN_STRIP)) hw->use_simple_rx = 0; - hw->opened = true; - return 0; } @@ -2327,7 +2407,7 @@ virtio_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask) return 0; } -static void +static int virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) { uint64_t tso_mask, host_features; @@ -2369,6 +2449,8 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) (1ULL << VIRTIO_NET_F_HOST_TSO6); if ((host_features & tso_mask) == tso_mask) dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO; + + return 0; } /*