diff options
Diffstat (limited to 'drivers/s390/net/qeth_l3_main.c')
-rw-r--r-- | drivers/s390/net/qeth_l3_main.c | 45 |
1 files changed, 19 insertions, 26 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 80893481bb85..ac7c8ae123c3 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2099,22 +2099,6 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, rcu_read_unlock(); } -static void qeth_l3_fill_tso_ext(struct qeth_hdr_tso *hdr, - unsigned int payload_len, struct sk_buff *skb, - unsigned int proto_len) -{ - struct qeth_hdr_ext_tso *ext = &hdr->ext; - - ext->hdr_tot_len = sizeof(*ext); - ext->imb_hdr_no = 1; - ext->hdr_type = 1; - ext->hdr_version = 1; - ext->hdr_len = 28; - ext->payload_len = payload_len; - ext->mss = skb_shinfo(skb)->gso_size; - ext->dg_hdr_len = proto_len; -} - static void qeth_l3_fixup_headers(struct sk_buff *skb) { struct iphdr *iph = ip_hdr(skb); @@ -2175,9 +2159,9 @@ static int qeth_l3_xmit(struct qeth_card *card, struct sk_buff *skb, } else { qeth_l3_fill_header(card, hdr, skb, ipv, cast_type, frame_len); if (is_tso) - qeth_l3_fill_tso_ext((struct qeth_hdr_tso *) hdr, - frame_len - proto_len, skb, - proto_len); + qeth_fill_tso_ext((struct qeth_hdr_tso *) hdr, + frame_len - proto_len, skb, + proto_len); } is_sg = skb_is_nonlinear(skb); @@ -2401,6 +2385,7 @@ static const struct net_device_ops qeth_l3_osa_netdev_ops = { static int qeth_l3_setup_netdev(struct qeth_card *card) { + unsigned int headroom; int rc; if (card->dev->netdev_ops) @@ -2415,11 +2400,6 @@ static int qeth_l3_setup_netdev(struct qeth_card *card) } card->dev->netdev_ops = &qeth_l3_osa_netdev_ops; - card->dev->needed_headroom = sizeof(struct qeth_hdr); - /* allow for de-acceleration of NETIF_F_HW_VLAN_CTAG_TX: */ - card->dev->needed_headroom += VLAN_HLEN; - if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) - card->dev->needed_headroom = sizeof(struct qeth_hdr_tso); /*IPv6 address autoconfiguration stuff*/ qeth_l3_get_unique_id(card); @@ -2438,10 +2418,22 @@ static int qeth_l3_setup_netdev(struct qeth_card *card) card->dev->hw_features |= NETIF_F_IPV6_CSUM; card->dev->vlan_features |= NETIF_F_IPV6_CSUM; } + if (qeth_is_supported6(card, IPA_OUTBOUND_TSO)) { + card->dev->hw_features |= NETIF_F_TSO6; + card->dev->vlan_features |= NETIF_F_TSO6; + } + + /* allow for de-acceleration of NETIF_F_HW_VLAN_CTAG_TX: */ + if (card->dev->hw_features & NETIF_F_TSO6) + headroom = sizeof(struct qeth_hdr_tso) + VLAN_HLEN; + else if (card->dev->hw_features & NETIF_F_TSO) + headroom = sizeof(struct qeth_hdr_tso); + else + headroom = sizeof(struct qeth_hdr) + VLAN_HLEN; } else if (card->info.type == QETH_CARD_TYPE_IQD) { card->dev->flags |= IFF_NOARP; card->dev->netdev_ops = &qeth_l3_netdev_ops; - card->dev->needed_headroom = sizeof(struct qeth_hdr) - ETH_HLEN; + headroom = sizeof(struct qeth_hdr) - ETH_HLEN; rc = qeth_l3_iqd_read_initial_mac(card); if (rc) @@ -2452,13 +2444,14 @@ static int qeth_l3_setup_netdev(struct qeth_card *card) } else return -ENODEV; + card->dev->needed_headroom = headroom; card->dev->ethtool_ops = &qeth_l3_ethtool_ops; card->dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; netif_keep_dst(card->dev); - if (card->dev->hw_features & NETIF_F_TSO) + if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) netif_set_gso_max_size(card->dev, PAGE_SIZE * (QETH_MAX_BUFFER_ELEMENTS(card) - 1)); |