diff options
Diffstat (limited to 'sys/dev/virtio/network')
| -rw-r--r-- | sys/dev/virtio/network/if_vtnet.c | 449 | ||||
| -rw-r--r-- | sys/dev/virtio/network/if_vtnetvar.h | 2 |
2 files changed, 290 insertions, 161 deletions
diff --git a/sys/dev/virtio/network/if_vtnet.c b/sys/dev/virtio/network/if_vtnet.c index 2ff9be9680b8..528ff3372097 100644 --- a/sys/dev/virtio/network/if_vtnet.c +++ b/sys/dev/virtio/network/if_vtnet.c @@ -28,6 +28,9 @@ /* Driver for VirtIO network devices. */ +#include "opt_inet.h" +#include "opt_inet6.h" + #include <sys/param.h> #include <sys/eventhandler.h> #include <sys/systm.h> @@ -82,9 +85,6 @@ #include <dev/virtio/network/if_vtnetvar.h> #include "virtio_if.h" -#include "opt_inet.h" -#include "opt_inet6.h" - #if defined(INET) || defined(INET6) #include <machine/in_cksum.h> #endif @@ -133,12 +133,14 @@ static int vtnet_rxq_replace_lro_nomrg_buf(struct vtnet_rxq *, static int vtnet_rxq_replace_buf(struct vtnet_rxq *, struct mbuf *, int); static int vtnet_rxq_enqueue_buf(struct vtnet_rxq *, struct mbuf *); static int vtnet_rxq_new_buf(struct vtnet_rxq *); +#if defined(INET) || defined(INET6) static int vtnet_rxq_csum_needs_csum(struct vtnet_rxq *, struct mbuf *, - uint16_t, int, struct virtio_net_hdr *); -static int vtnet_rxq_csum_data_valid(struct vtnet_rxq *, struct mbuf *, - uint16_t, int, struct virtio_net_hdr *); + bool, int, struct virtio_net_hdr *); +static void vtnet_rxq_csum_data_valid(struct vtnet_rxq *, struct mbuf *, + int); static int vtnet_rxq_csum(struct vtnet_rxq *, struct mbuf *, struct virtio_net_hdr *); +#endif static void vtnet_rxq_discard_merged_bufs(struct vtnet_rxq *, int); static void vtnet_rxq_discard_buf(struct vtnet_rxq *, struct mbuf *); static int vtnet_rxq_merged_eof(struct vtnet_rxq *, struct mbuf *, int); @@ -1178,6 +1180,7 @@ vtnet_setup_interface(struct vtnet_softc *sc) if (sc->vtnet_max_mtu >= ETHERMTU_JUMBO) if_setcapabilitiesbit(ifp, IFCAP_JUMBO_MTU, 0); if_setcapabilitiesbit(ifp, IFCAP_VLAN_MTU, 0); + if_setcapabilitiesbit(ifp, IFCAP_HWSTATS, 0); /* * Capabilities after here are not enabled by default. @@ -1760,164 +1763,165 @@ vtnet_rxq_new_buf(struct vtnet_rxq *rxq) return (error); } +#if defined(INET) || defined(INET6) static int -vtnet_rxq_csum_needs_csum(struct vtnet_rxq *rxq, struct mbuf *m, uint16_t etype, - int hoff, struct virtio_net_hdr *hdr) +vtnet_rxq_csum_needs_csum(struct vtnet_rxq *rxq, struct mbuf *m, bool isipv6, + int protocol, struct virtio_net_hdr *hdr) { struct vtnet_softc *sc; - int error; - sc = rxq->vtnrx_sc; + /* + * The packet is likely from another VM on the same host or from the + * host that itself performed checksum offloading so Tx/Rx is basically + * a memcpy and the checksum has little value so far. + */ + + KASSERT(protocol == IPPROTO_TCP || protocol == IPPROTO_UDP, + ("%s: unsupported IP protocol %d", __func__, protocol)); /* - * NEEDS_CSUM corresponds to Linux's CHECKSUM_PARTIAL, but FreeBSD does - * not have an analogous CSUM flag. The checksum has been validated, - * but is incomplete (TCP/UDP pseudo header). - * - * The packet is likely from another VM on the same host that itself - * performed checksum offloading so Tx/Rx is basically a memcpy and - * the checksum has little value. - * - * Default to receiving the packet as-is for performance reasons, but - * this can cause issues if the packet is to be forwarded because it - * does not contain a valid checksum. This patch may be helpful: - * https://reviews.freebsd.org/D6611. In the meantime, have the driver - * compute the checksum if requested. - * - * BMV: Need to add an CSUM_PARTIAL flag? + * If the user don't want us to fix it up here by computing the + * checksum, just forward the order to compute the checksum by setting + * the corresponding mbuf flag (e.g., CSUM_TCP). */ + sc = rxq->vtnrx_sc; if ((sc->vtnet_flags & VTNET_FLAG_FIXUP_NEEDS_CSUM) == 0) { - error = vtnet_rxq_csum_data_valid(rxq, m, etype, hoff, hdr); - return (error); + switch (protocol) { + case IPPROTO_TCP: + m->m_pkthdr.csum_flags |= + (isipv6 ? CSUM_TCP_IPV6 : CSUM_TCP); + break; + case IPPROTO_UDP: + m->m_pkthdr.csum_flags |= + (isipv6 ? CSUM_UDP_IPV6 : CSUM_UDP); + break; + } + m->m_pkthdr.csum_data = hdr->csum_offset; + return (0); } /* * Compute the checksum in the driver so the packet will contain a * valid checksum. The checksum is at csum_offset from csum_start. */ - switch (etype) { -#if defined(INET) || defined(INET6) - case ETHERTYPE_IP: - case ETHERTYPE_IPV6: { - int csum_off, csum_end; - uint16_t csum; - - csum_off = hdr->csum_start + hdr->csum_offset; - csum_end = csum_off + sizeof(uint16_t); + int csum_off, csum_end; + uint16_t csum; - /* Assume checksum will be in the first mbuf. */ - if (m->m_len < csum_end || m->m_pkthdr.len < csum_end) - return (1); + csum_off = hdr->csum_start + hdr->csum_offset; + csum_end = csum_off + sizeof(uint16_t); - /* - * Like in_delayed_cksum()/in6_delayed_cksum(), compute the - * checksum and write it at the specified offset. We could - * try to verify the packet: csum_start should probably - * correspond to the start of the TCP/UDP header. - * - * BMV: Need to properly handle UDP with zero checksum. Is - * the IPv4 header checksum implicitly validated? - */ - csum = in_cksum_skip(m, m->m_pkthdr.len, hdr->csum_start); - *(uint16_t *)(mtodo(m, csum_off)) = csum; - m->m_pkthdr.csum_flags |= CSUM_DATA_VALID | CSUM_PSEUDO_HDR; - m->m_pkthdr.csum_data = 0xFFFF; - break; - } -#endif - default: - sc->vtnet_stats.rx_csum_bad_ethtype++; + /* Assume checksum will be in the first mbuf. */ + if (m->m_len < csum_end || m->m_pkthdr.len < csum_end) { + sc->vtnet_stats.rx_csum_bad_offset++; return (1); } + /* + * Like in_delayed_cksum()/in6_delayed_cksum(), compute the + * checksum and write it at the specified offset. We could + * try to verify the packet: csum_start should probably + * correspond to the start of the TCP/UDP header. + * + * BMV: Need to properly handle UDP with zero checksum. Is + * the IPv4 header checksum implicitly validated? + */ + csum = in_cksum_skip(m, m->m_pkthdr.len, hdr->csum_start); + *(uint16_t *)(mtodo(m, csum_off)) = csum; + m->m_pkthdr.csum_flags |= CSUM_DATA_VALID | CSUM_PSEUDO_HDR; + m->m_pkthdr.csum_data = 0xFFFF; + return (0); } +static void +vtnet_rxq_csum_data_valid(struct vtnet_rxq *rxq, struct mbuf *m, int protocol) +{ + KASSERT(protocol == IPPROTO_TCP || protocol == IPPROTO_UDP, + ("%s: unsupported IP protocol %d", __func__, protocol)); + + m->m_pkthdr.csum_flags |= CSUM_DATA_VALID | CSUM_PSEUDO_HDR; + m->m_pkthdr.csum_data = 0xFFFF; +} + static int -vtnet_rxq_csum_data_valid(struct vtnet_rxq *rxq, struct mbuf *m, - uint16_t etype, int hoff, struct virtio_net_hdr *hdr __unused) +vtnet_rxq_csum(struct vtnet_rxq *rxq, struct mbuf *m, + struct virtio_net_hdr *hdr) { -#if 0 + const struct ether_header *eh; struct vtnet_softc *sc; -#endif - int protocol; + int hoff, protocol; + uint16_t etype; + bool isipv6; + + KASSERT(hdr->flags & + (VIRTIO_NET_HDR_F_NEEDS_CSUM | VIRTIO_NET_HDR_F_DATA_VALID), + ("%s: missing checksum offloading flag %x", __func__, hdr->flags)); + + eh = mtod(m, const struct ether_header *); + etype = ntohs(eh->ether_type); + if (etype == ETHERTYPE_VLAN) { + /* TODO BMV: Handle QinQ. */ + const struct ether_vlan_header *evh = + mtod(m, const struct ether_vlan_header *); + etype = ntohs(evh->evl_proto); + hoff = sizeof(struct ether_vlan_header); + } else + hoff = sizeof(struct ether_header); -#if 0 sc = rxq->vtnrx_sc; -#endif + /* Check whether ethernet type is IP or IPv6, and get protocol. */ switch (etype) { #if defined(INET) case ETHERTYPE_IP: - if (__predict_false(m->m_len < hoff + sizeof(struct ip))) - protocol = IPPROTO_DONE; - else { + if (__predict_false(m->m_len < hoff + sizeof(struct ip))) { + sc->vtnet_stats.rx_csum_inaccessible_ipproto++; + return (1); + } else { struct ip *ip = (struct ip *)(m->m_data + hoff); protocol = ip->ip_p; } + isipv6 = false; break; #endif #if defined(INET6) case ETHERTYPE_IPV6: if (__predict_false(m->m_len < hoff + sizeof(struct ip6_hdr)) - || ip6_lasthdr(m, hoff, IPPROTO_IPV6, &protocol) < 0) - protocol = IPPROTO_DONE; + || ip6_lasthdr(m, hoff, IPPROTO_IPV6, &protocol) < 0) { + sc->vtnet_stats.rx_csum_inaccessible_ipproto++; + return (1); + } + isipv6 = true; break; #endif default: - protocol = IPPROTO_DONE; - break; + sc->vtnet_stats.rx_csum_bad_ethtype++; + return (1); } + /* Check whether protocol is TCP or UDP. */ switch (protocol) { case IPPROTO_TCP: case IPPROTO_UDP: - m->m_pkthdr.csum_flags |= CSUM_DATA_VALID | CSUM_PSEUDO_HDR; - m->m_pkthdr.csum_data = 0xFFFF; break; default: /* * FreeBSD does not support checksum offloading of this - * protocol. Let the stack re-verify the checksum later - * if the protocol is supported. + * protocol here. */ -#if 0 - if_printf(sc->vtnet_ifp, - "%s: checksum offload of unsupported protocol " - "etype=%#x protocol=%d csum_start=%d csum_offset=%d\n", - __func__, etype, protocol, hdr->csum_start, - hdr->csum_offset); -#endif - break; + sc->vtnet_stats.rx_csum_bad_ipproto++; + return (1); } - return (0); -} - -static int -vtnet_rxq_csum(struct vtnet_rxq *rxq, struct mbuf *m, - struct virtio_net_hdr *hdr) -{ - const struct ether_header *eh; - int hoff; - uint16_t etype; - - eh = mtod(m, const struct ether_header *); - etype = ntohs(eh->ether_type); - if (etype == ETHERTYPE_VLAN) { - /* TODO BMV: Handle QinQ. */ - const struct ether_vlan_header *evh = - mtod(m, const struct ether_vlan_header *); - etype = ntohs(evh->evl_proto); - hoff = sizeof(struct ether_vlan_header); - } else - hoff = sizeof(struct ether_header); - if (hdr->flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) - return (vtnet_rxq_csum_needs_csum(rxq, m, etype, hoff, hdr)); + return (vtnet_rxq_csum_needs_csum(rxq, m, isipv6, protocol, + hdr)); else /* VIRTIO_NET_HDR_F_DATA_VALID */ - return (vtnet_rxq_csum_data_valid(rxq, m, etype, hoff, hdr)); + vtnet_rxq_csum_data_valid(rxq, m, protocol); + + return (0); } +#endif static void vtnet_rxq_discard_merged_bufs(struct vtnet_rxq *rxq, int nbufs) @@ -2040,10 +2044,15 @@ vtnet_rxq_input(struct vtnet_rxq *rxq, struct mbuf *m, if (hdr->flags & (VIRTIO_NET_HDR_F_NEEDS_CSUM | VIRTIO_NET_HDR_F_DATA_VALID)) { +#if defined(INET) || defined(INET6) if (vtnet_rxq_csum(rxq, m, hdr) == 0) rxq->vtnrx_stats.vrxs_csum++; else rxq->vtnrx_stats.vrxs_csum_failed++; +#else + sc->vtnet_stats.rx_csum_bad_ethtype++; + rxq->vtnrx_stats.vrxs_csum_failed++; +#endif } if (hdr->gso_size != 0) { @@ -2497,6 +2506,10 @@ vtnet_txq_offload(struct vtnet_txq *txq, struct mbuf *m, hdr->csum_start = vtnet_gtoh16(sc, csum_start); hdr->csum_offset = vtnet_gtoh16(sc, m->m_pkthdr.csum_data); txq->vtntx_stats.vtxs_csum++; + } else if ((flags & (CSUM_DATA_VALID | CSUM_PSEUDO_HDR)) && + (proto == IPPROTO_TCP || proto == IPPROTO_UDP) && + (m->m_pkthdr.csum_data == 0xFFFF)) { + hdr->flags |= VIRTIO_NET_HDR_F_DATA_VALID; } if (flags & (CSUM_IP_TSO | CSUM_IP6_TSO)) { @@ -2551,8 +2564,10 @@ vtnet_txq_enqueue_buf(struct vtnet_txq *txq, struct mbuf **m_head, error = sglist_append_mbuf(sg, m); if (error) { m = m_defrag(m, M_NOWAIT); - if (m == NULL) + if (m == NULL) { + sc->vtnet_stats.tx_defrag_failed++; goto fail; + } *m_head = m; sc->vtnet_stats.tx_defragged++; @@ -2568,7 +2583,6 @@ vtnet_txq_enqueue_buf(struct vtnet_txq *txq, struct mbuf **m_head, return (error); fail: - sc->vtnet_stats.tx_defrag_failed++; m_freem(*m_head); *m_head = NULL; @@ -2609,7 +2623,8 @@ vtnet_txq_encap(struct vtnet_txq *txq, struct mbuf **m_head, int flags) m->m_flags &= ~M_VLANTAG; } - if (m->m_pkthdr.csum_flags & VTNET_CSUM_ALL_OFFLOAD) { + if (m->m_pkthdr.csum_flags & + (VTNET_CSUM_ALL_OFFLOAD | CSUM_DATA_VALID)) { m = vtnet_txq_offload(txq, m, hdr); if ((*m_head = m) == NULL) { error = ENOBUFS; @@ -3031,16 +3046,14 @@ vtnet_get_counter(if_t ifp, ift_counter cnt) return (rxaccum.vrxs_iqdrops); case IFCOUNTER_IERRORS: return (rxaccum.vrxs_ierrors); + case IFCOUNTER_IBYTES: + return (rxaccum.vrxs_ibytes); case IFCOUNTER_OPACKETS: return (txaccum.vtxs_opackets); case IFCOUNTER_OBYTES: - if (!VTNET_ALTQ_ENABLED) - return (txaccum.vtxs_obytes); - /* FALLTHROUGH */ + return (txaccum.vtxs_obytes); case IFCOUNTER_OMCASTS: - if (!VTNET_ALTQ_ENABLED) - return (txaccum.vtxs_omcasts); - /* FALLTHROUGH */ + return (txaccum.vtxs_omcasts); default: return (if_get_counter_default(ifp, cnt)); } @@ -3813,9 +3826,9 @@ vtnet_rx_filter_mac(struct vtnet_softc *sc) if_printf(ifp, "error setting host MAC filter table\n"); out: - if (promisc != 0 && vtnet_set_promisc(sc, true) != 0) + if (promisc && vtnet_set_promisc(sc, true) != 0) if_printf(ifp, "cannot enable promiscuous mode\n"); - if (allmulti != 0 && vtnet_set_allmulti(sc, true) != 0) + if (allmulti && vtnet_set_allmulti(sc, true) != 0) if_printf(ifp, "cannot enable all-multicast mode\n"); } @@ -4100,21 +4113,29 @@ vtnet_setup_rxq_sysctl(struct sysctl_ctx_list *ctx, stats = &rxq->vtnrx_stats; - SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "ipackets", CTLFLAG_RD, + SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "ipackets", + CTLFLAG_RD | CTLFLAG_STATS, &stats->vrxs_ipackets, "Receive packets"); - SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "ibytes", CTLFLAG_RD, + SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "ibytes", + CTLFLAG_RD | CTLFLAG_STATS, &stats->vrxs_ibytes, "Receive bytes"); - SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "iqdrops", CTLFLAG_RD, + SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "iqdrops", + CTLFLAG_RD | CTLFLAG_STATS, &stats->vrxs_iqdrops, "Receive drops"); - SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "ierrors", CTLFLAG_RD, + SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "ierrors", + CTLFLAG_RD | CTLFLAG_STATS, &stats->vrxs_ierrors, "Receive errors"); - SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "csum", CTLFLAG_RD, + SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "csum", + CTLFLAG_RD | CTLFLAG_STATS, &stats->vrxs_csum, "Receive checksum offloaded"); - SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "csum_failed", CTLFLAG_RD, + SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "csum_failed", + CTLFLAG_RD | CTLFLAG_STATS, &stats->vrxs_csum_failed, "Receive checksum offload failed"); - SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "host_lro", CTLFLAG_RD, + SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "host_lro", + CTLFLAG_RD | CTLFLAG_STATS, &stats->vrxs_host_lro, "Receive host segmentation offloaded"); - SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "rescheduled", CTLFLAG_RD, + SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "rescheduled", + CTLFLAG_RD | CTLFLAG_STATS, &stats->vrxs_rescheduled, "Receive interrupt handler rescheduled"); } @@ -4135,17 +4156,23 @@ vtnet_setup_txq_sysctl(struct sysctl_ctx_list *ctx, stats = &txq->vtntx_stats; - SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "opackets", CTLFLAG_RD, + SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "opackets", + CTLFLAG_RD | CTLFLAG_STATS, &stats->vtxs_opackets, "Transmit packets"); - SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "obytes", CTLFLAG_RD, + SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "obytes", + CTLFLAG_RD | CTLFLAG_STATS, &stats->vtxs_obytes, "Transmit bytes"); - SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "omcasts", CTLFLAG_RD, + SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "omcasts", + CTLFLAG_RD | CTLFLAG_STATS, &stats->vtxs_omcasts, "Transmit multicasts"); - SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "csum", CTLFLAG_RD, + SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "csum", + CTLFLAG_RD | CTLFLAG_STATS, &stats->vtxs_csum, "Transmit checksum offloaded"); - SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "tso", CTLFLAG_RD, + SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "tso", + CTLFLAG_RD | CTLFLAG_STATS, &stats->vtxs_tso, "Transmit TCP segmentation offloaded"); - SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "rescheduled", CTLFLAG_RD, + SYSCTL_ADD_UQUAD(ctx, list, OID_AUTO, "rescheduled", + CTLFLAG_RD | CTLFLAG_STATS, &stats->vtxs_rescheduled, "Transmit interrupt handler rescheduled"); } @@ -4170,6 +4197,102 @@ vtnet_setup_queue_sysctl(struct vtnet_softc *sc) } } +static int +vtnet_sysctl_rx_csum_failed(SYSCTL_HANDLER_ARGS) +{ + struct vtnet_softc *sc = (struct vtnet_softc *)arg1; + struct vtnet_statistics *stats = &sc->vtnet_stats; + struct vtnet_rxq_stats *rxst; + int i; + + stats->rx_csum_failed = 0; + for (i = 0; i < sc->vtnet_max_vq_pairs; i++) { + rxst = &sc->vtnet_rxqs[i].vtnrx_stats; + stats->rx_csum_failed += rxst->vrxs_csum_failed; + } + return (sysctl_handle_64(oidp, NULL, stats->rx_csum_failed, req)); +} + +static int +vtnet_sysctl_rx_csum_offloaded(SYSCTL_HANDLER_ARGS) +{ + struct vtnet_softc *sc = (struct vtnet_softc *)arg1; + struct vtnet_statistics *stats = &sc->vtnet_stats; + struct vtnet_rxq_stats *rxst; + int i; + + stats->rx_csum_offloaded = 0; + for (i = 0; i < sc->vtnet_max_vq_pairs; i++) { + rxst = &sc->vtnet_rxqs[i].vtnrx_stats; + stats->rx_csum_offloaded += rxst->vrxs_csum; + } + return (sysctl_handle_64(oidp, NULL, stats->rx_csum_offloaded, req)); +} + +static int +vtnet_sysctl_rx_task_rescheduled(SYSCTL_HANDLER_ARGS) +{ + struct vtnet_softc *sc = (struct vtnet_softc *)arg1; + struct vtnet_statistics *stats = &sc->vtnet_stats; + struct vtnet_rxq_stats *rxst; + int i; + + stats->rx_task_rescheduled = 0; + for (i = 0; i < sc->vtnet_max_vq_pairs; i++) { + rxst = &sc->vtnet_rxqs[i].vtnrx_stats; + stats->rx_task_rescheduled += rxst->vrxs_rescheduled; + } + return (sysctl_handle_64(oidp, NULL, stats->rx_task_rescheduled, req)); +} + +static int +vtnet_sysctl_tx_csum_offloaded(SYSCTL_HANDLER_ARGS) +{ + struct vtnet_softc *sc = (struct vtnet_softc *)arg1; + struct vtnet_statistics *stats = &sc->vtnet_stats; + struct vtnet_txq_stats *txst; + int i; + + stats->tx_csum_offloaded = 0; + for (i = 0; i < sc->vtnet_max_vq_pairs; i++) { + txst = &sc->vtnet_txqs[i].vtntx_stats; + stats->tx_csum_offloaded += txst->vtxs_csum; + } + return (sysctl_handle_64(oidp, NULL, stats->tx_csum_offloaded, req)); +} + +static int +vtnet_sysctl_tx_tso_offloaded(SYSCTL_HANDLER_ARGS) +{ + struct vtnet_softc *sc = (struct vtnet_softc *)arg1; + struct vtnet_statistics *stats = &sc->vtnet_stats; + struct vtnet_txq_stats *txst; + int i; + + stats->tx_tso_offloaded = 0; + for (i = 0; i < sc->vtnet_max_vq_pairs; i++) { + txst = &sc->vtnet_txqs[i].vtntx_stats; + stats->tx_tso_offloaded += txst->vtxs_tso; + } + return (sysctl_handle_64(oidp, NULL, stats->tx_tso_offloaded, req)); +} + +static int +vtnet_sysctl_tx_task_rescheduled(SYSCTL_HANDLER_ARGS) +{ + struct vtnet_softc *sc = (struct vtnet_softc *)arg1; + struct vtnet_statistics *stats = &sc->vtnet_stats; + struct vtnet_txq_stats *txst; + int i; + + stats->tx_task_rescheduled = 0; + for (i = 0; i < sc->vtnet_max_vq_pairs; i++) { + txst = &sc->vtnet_txqs[i].vtntx_stats; + stats->tx_task_rescheduled += txst->vtxs_rescheduled; + } + return (sysctl_handle_64(oidp, NULL, stats->tx_task_rescheduled, req)); +} + static void vtnet_setup_stat_sysctl(struct sysctl_ctx_list *ctx, struct sysctl_oid_list *child, struct vtnet_softc *sc) @@ -4189,69 +4312,75 @@ vtnet_setup_stat_sysctl(struct sysctl_ctx_list *ctx, stats->tx_task_rescheduled = txaccum.vtxs_rescheduled; SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "mbuf_alloc_failed", - CTLFLAG_RD, &stats->mbuf_alloc_failed, + CTLFLAG_RD | CTLFLAG_STATS, &stats->mbuf_alloc_failed, "Mbuf cluster allocation failures"); SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "rx_frame_too_large", - CTLFLAG_RD, &stats->rx_frame_too_large, + CTLFLAG_RD | CTLFLAG_STATS, &stats->rx_frame_too_large, "Received frame larger than the mbuf chain"); SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "rx_enq_replacement_failed", - CTLFLAG_RD, &stats->rx_enq_replacement_failed, + CTLFLAG_RD | CTLFLAG_STATS, &stats->rx_enq_replacement_failed, "Enqueuing the replacement receive mbuf failed"); SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "rx_mergeable_failed", - CTLFLAG_RD, &stats->rx_mergeable_failed, + CTLFLAG_RD | CTLFLAG_STATS, &stats->rx_mergeable_failed, "Mergeable buffers receive failures"); SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "rx_csum_bad_ethtype", - CTLFLAG_RD, &stats->rx_csum_bad_ethtype, + CTLFLAG_RD | CTLFLAG_STATS, &stats->rx_csum_bad_ethtype, "Received checksum offloaded buffer with unsupported " "Ethernet type"); SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "rx_csum_bad_ipproto", - CTLFLAG_RD, &stats->rx_csum_bad_ipproto, + CTLFLAG_RD | CTLFLAG_STATS, &stats->rx_csum_bad_ipproto, "Received checksum offloaded buffer with incorrect IP protocol"); SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "rx_csum_bad_offset", - CTLFLAG_RD, &stats->rx_csum_bad_offset, + CTLFLAG_RD | CTLFLAG_STATS, &stats->rx_csum_bad_offset, "Received checksum offloaded buffer with incorrect offset"); - SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "rx_csum_bad_proto", - CTLFLAG_RD, &stats->rx_csum_bad_proto, - "Received checksum offloaded buffer with incorrect protocol"); - SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "rx_csum_failed", - CTLFLAG_RD, &stats->rx_csum_failed, + SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "rx_csum_inaccessible_ipproto", + CTLFLAG_RD | CTLFLAG_STATS, &stats->rx_csum_inaccessible_ipproto, + "Received checksum offloaded buffer with inaccessible IP protocol"); + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "rx_csum_failed", + CTLTYPE_U64 | CTLFLAG_RD | CTLFLAG_STATS, + sc, 0, vtnet_sysctl_rx_csum_failed, "QU", "Received buffer checksum offload failed"); - SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "rx_csum_offloaded", - CTLFLAG_RD, &stats->rx_csum_offloaded, + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "rx_csum_offloaded", + CTLTYPE_U64 | CTLFLAG_RD | CTLFLAG_STATS, + sc, 0, vtnet_sysctl_rx_csum_offloaded, "QU", "Received buffer checksum offload succeeded"); - SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "rx_task_rescheduled", - CTLFLAG_RD, &stats->rx_task_rescheduled, + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "rx_task_rescheduled", + CTLTYPE_U64 | CTLFLAG_RD | CTLFLAG_STATS, + sc, 0, vtnet_sysctl_rx_task_rescheduled, "QU", "Times the receive interrupt task rescheduled itself"); SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "tx_csum_unknown_ethtype", - CTLFLAG_RD, &stats->tx_csum_unknown_ethtype, + CTLFLAG_RD | CTLFLAG_STATS, &stats->tx_csum_unknown_ethtype, "Aborted transmit of checksum offloaded buffer with unknown " "Ethernet type"); SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "tx_csum_proto_mismatch", - CTLFLAG_RD, &stats->tx_csum_proto_mismatch, + CTLFLAG_RD | CTLFLAG_STATS, &stats->tx_csum_proto_mismatch, "Aborted transmit of checksum offloaded buffer because mismatched " "protocols"); SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "tx_tso_not_tcp", - CTLFLAG_RD, &stats->tx_tso_not_tcp, + CTLFLAG_RD | CTLFLAG_STATS, &stats->tx_tso_not_tcp, "Aborted transmit of TSO buffer with non TCP protocol"); SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "tx_tso_without_csum", - CTLFLAG_RD, &stats->tx_tso_without_csum, + CTLFLAG_RD | CTLFLAG_STATS, &stats->tx_tso_without_csum, "Aborted transmit of TSO buffer without TCP checksum offload"); SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "tx_defragged", - CTLFLAG_RD, &stats->tx_defragged, + CTLFLAG_RD | CTLFLAG_STATS, &stats->tx_defragged, "Transmit mbufs defragged"); SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "tx_defrag_failed", - CTLFLAG_RD, &stats->tx_defrag_failed, + CTLFLAG_RD | CTLFLAG_STATS, &stats->tx_defrag_failed, "Aborted transmit of buffer because defrag failed"); - SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "tx_csum_offloaded", - CTLFLAG_RD, &stats->tx_csum_offloaded, + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "tx_csum_offloaded", + CTLTYPE_U64 | CTLFLAG_RD | CTLFLAG_STATS, + sc, 0, vtnet_sysctl_tx_csum_offloaded, "QU", "Offloaded checksum of transmitted buffer"); - SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "tx_tso_offloaded", - CTLFLAG_RD, &stats->tx_tso_offloaded, + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "tx_tso_offloaded", + CTLTYPE_U64 | CTLFLAG_RD | CTLFLAG_STATS, + sc, 0, vtnet_sysctl_tx_tso_offloaded, "QU", "Segmentation offload of transmitted buffer"); - SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "tx_task_rescheduled", - CTLFLAG_RD, &stats->tx_task_rescheduled, + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "tx_task_rescheduled", + CTLTYPE_U64 | CTLFLAG_RD | CTLFLAG_STATS, + sc, 0, vtnet_sysctl_tx_task_rescheduled, "QU", "Times the transmit interrupt task rescheduled itself"); } diff --git a/sys/dev/virtio/network/if_vtnetvar.h b/sys/dev/virtio/network/if_vtnetvar.h index 0144b0f3232d..cab7ced639a7 100644 --- a/sys/dev/virtio/network/if_vtnetvar.h +++ b/sys/dev/virtio/network/if_vtnetvar.h @@ -46,7 +46,7 @@ struct vtnet_statistics { uint64_t rx_csum_bad_ethtype; uint64_t rx_csum_bad_ipproto; uint64_t rx_csum_bad_offset; - uint64_t rx_csum_bad_proto; + uint64_t rx_csum_inaccessible_ipproto; uint64_t tx_csum_unknown_ethtype; uint64_t tx_csum_proto_mismatch; uint64_t tx_tso_not_tcp; |