diff options
| -rw-r--r-- | drivers/s390/net/qeth_l3_main.c | 77 |
1 files changed, 25 insertions, 52 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index bbe7e1c058ab..fd69da3fa6b4 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1417,63 +1417,33 @@ int qeth_l3_set_rx_csum(struct qeth_card *card, int on) int rc = 0; if (on) { - if (card->state != CARD_STATE_DOWN) { - if (!qeth_is_supported(card, - IPA_INBOUND_CHECKSUM)) - return -EPERM; - rc = qeth_l3_send_checksum_command(card); - if (rc) - return -EIO; - } - card->dev->features |= NETIF_F_RXCSUM; + rc = qeth_l3_send_checksum_command(card); + if (rc) + return -EIO; + dev_info(&card->gdev->dev, + "HW Checksumming (inbound) enabled\n"); } else { - if (card->state != CARD_STATE_DOWN) { - rc = qeth_l3_send_simple_setassparms(card, - IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_STOP, 0); - if (rc) - return -EIO; - } - card->dev->features &= ~NETIF_F_RXCSUM; + rc = qeth_l3_send_simple_setassparms(card, + IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_STOP, 0); + if (rc) + return -EIO; } - return rc; + return 0; } static int qeth_l3_start_ipa_checksum(struct qeth_card *card) { - int rc = 0; - QETH_CARD_TEXT(card, 3, "strtcsum"); if (card->dev->features & NETIF_F_RXCSUM) { - /* hw may have changed during offline or recovery */ - if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) { - dev_info(&card->gdev->dev, - "Inbound HW Checksumming not " - "supported on %s,\ncontinuing " - "using Inbound SW Checksumming\n", - QETH_CARD_IFNAME(card)); - goto update_feature; - } - - rc = qeth_l3_send_checksum_command(card); - if (!rc) - dev_info(&card->gdev->dev, - "HW Checksumming (inbound) enabled\n"); - else - goto update_feature; - } else - dev_info(&card->gdev->dev, - "Using SW checksumming on %s.\n", - QETH_CARD_IFNAME(card)); + rtnl_lock(); + /* force set_features call */ + card->dev->features &= ~NETIF_F_RXCSUM; + netdev_update_features(card->dev); + rtnl_unlock(); + } return 0; - -update_feature: - rtnl_lock(); - card->dev->features &= ~NETIF_F_RXCSUM; - netdev_update_features(card->dev); - rtnl_unlock(); - return rc; } static int qeth_l3_start_ipa_tx_checksum(struct qeth_card *card) @@ -3196,17 +3166,20 @@ static int qeth_l3_set_features(struct net_device *dev, u32 features) { struct qeth_card *card = dev->ml_priv; u32 changed = dev->features ^ features; - int on; + int err; if (!(changed & NETIF_F_RXCSUM)) return 0; - if (features & NETIF_F_RXCSUM) - on = 1; - else - on = 0; + if (card->state == CARD_STATE_DOWN || + card->state == CARD_STATE_RECOVER) + return 0; + + err = qeth_l3_set_rx_csum(card, features & NETIF_F_RXCSUM); + if (err) + dev->features = features ^ NETIF_F_RXCSUM; - return qeth_l3_set_rx_csum(card, on); + return err; } static const struct ethtool_ops qeth_l3_ethtool_ops = { |