diff options
Diffstat (limited to 'drivers/net/hyperv/netvsc_drv.c')
-rw-r--r-- | drivers/net/hyperv/netvsc_drv.c | 97 |
1 files changed, 56 insertions, 41 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 3af6d8d15233..cf36e7ff3191 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -226,6 +226,7 @@ static inline void *init_ppi_data(struct rndis_message *msg, ppi->size = ppi_size; ppi->type = pkt_type; + ppi->internal = 0; ppi->ppi_offset = sizeof(struct rndis_per_packet_info); rndis_pkt->per_pkt_info_len += ppi_size; @@ -744,14 +745,16 @@ void netvsc_linkstatus_callback(struct net_device *net, } static struct sk_buff *netvsc_alloc_recv_skb(struct net_device *net, - struct napi_struct *napi, - const struct ndis_tcp_ip_checksum_info *csum_info, - const struct ndis_pkt_8021q_info *vlan, - void *data, u32 buflen) + struct netvsc_channel *nvchan) { + struct napi_struct *napi = &nvchan->napi; + const struct ndis_pkt_8021q_info *vlan = nvchan->rsc.vlan; + const struct ndis_tcp_ip_checksum_info *csum_info = + nvchan->rsc.csum_info; struct sk_buff *skb; + int i; - skb = napi_alloc_skb(napi, buflen); + skb = napi_alloc_skb(napi, nvchan->rsc.pktlen); if (!skb) return skb; @@ -759,7 +762,8 @@ static struct sk_buff *netvsc_alloc_recv_skb(struct net_device *net, * Copy to skb. This copy is needed here since the memory pointed by * hv_netvsc_packet cannot be deallocated */ - skb_put_data(skb, data, buflen); + for (i = 0; i < nvchan->rsc.cnt; i++) + skb_put_data(skb, nvchan->rsc.data[i], nvchan->rsc.len[i]); skb->protocol = eth_type_trans(skb, net); @@ -792,14 +796,11 @@ static struct sk_buff *netvsc_alloc_recv_skb(struct net_device *net, */ int netvsc_recv_callback(struct net_device *net, struct netvsc_device *net_device, - struct vmbus_channel *channel, - void *data, u32 len, - const struct ndis_tcp_ip_checksum_info *csum_info, - const struct ndis_pkt_8021q_info *vlan) + struct netvsc_channel *nvchan) { struct net_device_context *net_device_ctx = netdev_priv(net); + struct vmbus_channel *channel = nvchan->channel; u16 q_idx = channel->offermsg.offer.sub_channel_index; - struct netvsc_channel *nvchan = &net_device->chan_table[q_idx]; struct sk_buff *skb; struct netvsc_stats *rx_stats; @@ -807,8 +808,8 @@ int netvsc_recv_callback(struct net_device *net, return NVSP_STAT_FAIL; /* Allocate a skb - TODO direct I/O to pages? */ - skb = netvsc_alloc_recv_skb(net, &nvchan->napi, - csum_info, vlan, data, len); + skb = netvsc_alloc_recv_skb(net, nvchan); + if (unlikely(!skb)) { ++net_device_ctx->eth_stats.rx_no_memory; rcu_read_unlock(); @@ -825,7 +826,7 @@ int netvsc_recv_callback(struct net_device *net, rx_stats = &nvchan->rx_stats; u64_stats_update_begin(&rx_stats->syncp); rx_stats->packets++; - rx_stats->bytes += len; + rx_stats->bytes += nvchan->rsc.pktlen; if (skb->pkt_type == PACKET_BROADCAST) ++rx_stats->broadcast; @@ -1006,6 +1007,8 @@ static void netvsc_init_settings(struct net_device *dev) ndc->speed = SPEED_UNKNOWN; ndc->duplex = DUPLEX_FULL; + + dev->features = NETIF_F_LRO; } static int netvsc_get_link_ksettings(struct net_device *dev, @@ -1562,26 +1565,6 @@ netvsc_set_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *info) return -EOPNOTSUPP; } -#ifdef CONFIG_NET_POLL_CONTROLLER -static void netvsc_poll_controller(struct net_device *dev) -{ - struct net_device_context *ndc = netdev_priv(dev); - struct netvsc_device *ndev; - int i; - - rcu_read_lock(); - ndev = rcu_dereference(ndc->nvdev); - if (ndev) { - for (i = 0; i < ndev->num_chn; i++) { - struct netvsc_channel *nvchan = &ndev->chan_table[i]; - - napi_schedule(&nvchan->napi); - } - } - rcu_read_unlock(); -} -#endif - static u32 netvsc_get_rxfh_key_size(struct net_device *dev) { return NETVSC_HASH_KEYLEN; @@ -1733,6 +1716,33 @@ static int netvsc_set_ringparam(struct net_device *ndev, return ret; } +static int netvsc_set_features(struct net_device *ndev, + netdev_features_t features) +{ + netdev_features_t change = features ^ ndev->features; + struct net_device_context *ndevctx = netdev_priv(ndev); + struct netvsc_device *nvdev = rtnl_dereference(ndevctx->nvdev); + struct ndis_offload_params offloads; + + if (!nvdev || nvdev->destroy) + return -ENODEV; + + if (!(change & NETIF_F_LRO)) + return 0; + + memset(&offloads, 0, sizeof(struct ndis_offload_params)); + + if (features & NETIF_F_LRO) { + offloads.rsc_ip_v4 = NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED; + offloads.rsc_ip_v6 = NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED; + } else { + offloads.rsc_ip_v4 = NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED; + offloads.rsc_ip_v6 = NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED; + } + + return rndis_filter_set_offload_params(ndev, nvdev, &offloads); +} + static u32 netvsc_get_msglevel(struct net_device *ndev) { struct net_device_context *ndev_ctx = netdev_priv(ndev); @@ -1776,14 +1786,12 @@ static const struct net_device_ops device_ops = { .ndo_start_xmit = netvsc_start_xmit, .ndo_change_rx_flags = netvsc_change_rx_flags, .ndo_set_rx_mode = netvsc_set_rx_mode, + .ndo_set_features = netvsc_set_features, .ndo_change_mtu = netvsc_change_mtu, .ndo_validate_addr = eth_validate_addr, .ndo_set_mac_address = netvsc_set_mac_addr, .ndo_select_queue = netvsc_select_queue, .ndo_get_stats64 = netvsc_get_stats64, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = netvsc_poll_controller, -#endif }; /* @@ -2022,14 +2030,15 @@ static void netvsc_vf_setup(struct work_struct *w) rtnl_unlock(); } -/* Find netvsc by VMBus serial number. - * The PCI hyperv controller records the serial number as the slot. +/* Find netvsc by VF serial number. + * The PCI hyperv controller records the serial number as the slot kobj name. */ static struct net_device *get_netvsc_byslot(const struct net_device *vf_netdev) { struct device *parent = vf_netdev->dev.parent; struct net_device_context *ndev_ctx; struct pci_dev *pdev; + u32 serial; if (!parent || !dev_is_pci(parent)) return NULL; /* not a PCI device */ @@ -2040,16 +2049,22 @@ static struct net_device *get_netvsc_byslot(const struct net_device *vf_netdev) return NULL; } + if (kstrtou32(pci_slot_name(pdev->slot), 10, &serial)) { + netdev_notice(vf_netdev, "Invalid vf serial:%s\n", + pci_slot_name(pdev->slot)); + return NULL; + } + list_for_each_entry(ndev_ctx, &netvsc_dev_list, list) { if (!ndev_ctx->vf_alloc) continue; - if (ndev_ctx->vf_serial == pdev->slot->number) + if (ndev_ctx->vf_serial == serial) return hv_get_drvdata(ndev_ctx->device_ctx); } netdev_notice(vf_netdev, - "no netdev found for slot %u\n", pdev->slot->number); + "no netdev found for vf serial:%u\n", serial); return NULL; } |