diff options
Diffstat (limited to 'drivers/net/ethernet/ibm/ibmveth.c')
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmveth.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index 0956ab9f7582..ae69bbde2e87 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -58,7 +58,7 @@ static struct kobj_type ktype_veth_pool; static const char ibmveth_driver_name[] = "ibmveth"; static const char ibmveth_driver_string[] = "IBM Power Virtual Ethernet Driver"; -#define ibmveth_driver_version "1.04" +#define ibmveth_driver_version "1.05" MODULE_AUTHOR("Santiago Leon <santil@linux.vnet.ibm.com>"); MODULE_DESCRIPTION("IBM Power Virtual Ethernet Driver"); @@ -100,6 +100,7 @@ struct ibmveth_stat ibmveth_stats[] = { { "tx_send_failed", IBMVETH_STAT_OFF(tx_send_failed) }, { "fw_enabled_ipv4_csum", IBMVETH_STAT_OFF(fw_ipv4_csum_support) }, { "fw_enabled_ipv6_csum", IBMVETH_STAT_OFF(fw_ipv6_csum_support) }, + { "tx_large_packets", IBMVETH_STAT_OFF(tx_large_packets) }, }; /* simple methods of getting data from the current rxq entry */ @@ -852,6 +853,10 @@ static int ibmveth_set_features(struct net_device *dev, struct ibmveth_adapter *adapter = netdev_priv(dev); int rx_csum = !!(features & NETIF_F_RXCSUM); int rc; + netdev_features_t changed = features ^ dev->features; + + if (features & NETIF_F_TSO & changed) + netdev_info(dev, "TSO feature requires all partitions to have updated driver"); if (rx_csum == adapter->rx_csum) return 0; @@ -1035,6 +1040,15 @@ retry_bounce: descs[i+1].fields.address = dma_addr; } + if (skb_is_gso(skb) && !skb_is_gso_v6(skb)) { + /* Put -1 in the IP checksum to tell phyp it + * is a largesend packet and put the mss in the TCP checksum. + */ + ip_hdr(skb)->check = 0xffff; + tcp_hdr(skb)->check = cpu_to_be16(skb_shinfo(skb)->gso_size); + adapter->tx_large_packets++; + } + if (ibmveth_send(adapter, descs)) { adapter->tx_send_failed++; netdev->stats.tx_dropped++; @@ -1422,6 +1436,9 @@ static int ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id) NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; netdev->features |= netdev->hw_features; + /* TSO is disabled by default */ + netdev->hw_features |= NETIF_F_TSO; + memcpy(netdev->dev_addr, mac_addr_p, ETH_ALEN); if (firmware_has_feature(FW_FEATURE_CMO)) |