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jme: convert offload constraints to ndo_fix_features
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Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Michał Mirosław authored and David S. Miller committed Apr 2, 2011
1 parent fb50793 commit d7b5765
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Showing 2 changed files with 19 additions and 60 deletions.
77 changes: 19 additions & 58 deletions drivers/net/jme.c
Original file line number Diff line number Diff line change
Expand Up @@ -2230,17 +2230,9 @@ jme_change_mtu(struct net_device *netdev, int new_mtu)
jme_restart_rx_engine(jme);
}

if (new_mtu > 1900) {
netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
NETIF_F_TSO | NETIF_F_TSO6);
} else {
if (test_bit(JME_FLAG_TXCSUM, &jme->flags))
netdev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
if (test_bit(JME_FLAG_TSO, &jme->flags))
netdev->features |= NETIF_F_TSO | NETIF_F_TSO6;
}

netdev->mtu = new_mtu;
netdev_update_features(netdev);

jme_reset_link(jme);

return 0;
Expand Down Expand Up @@ -2640,19 +2632,20 @@ jme_set_msglevel(struct net_device *netdev, u32 value)
}

static u32
jme_get_rx_csum(struct net_device *netdev)
jme_fix_features(struct net_device *netdev, u32 features)
{
struct jme_adapter *jme = netdev_priv(netdev);
return jme->reg_rxmcs & RXMCS_CHECKSUM;
if (netdev->mtu > 1900)
features &= ~(NETIF_F_ALL_TSO | NETIF_F_ALL_CSUM);
return features;
}

static int
jme_set_rx_csum(struct net_device *netdev, u32 on)
jme_set_features(struct net_device *netdev, u32 features)
{
struct jme_adapter *jme = netdev_priv(netdev);

spin_lock_bh(&jme->rxmcs_lock);
if (on)
if (features & NETIF_F_RXCSUM)
jme->reg_rxmcs |= RXMCS_CHECKSUM;
else
jme->reg_rxmcs &= ~RXMCS_CHECKSUM;
Expand All @@ -2662,42 +2655,6 @@ jme_set_rx_csum(struct net_device *netdev, u32 on)
return 0;
}

static int
jme_set_tx_csum(struct net_device *netdev, u32 on)
{
struct jme_adapter *jme = netdev_priv(netdev);

if (on) {
set_bit(JME_FLAG_TXCSUM, &jme->flags);
if (netdev->mtu <= 1900)
netdev->features |=
NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
} else {
clear_bit(JME_FLAG_TXCSUM, &jme->flags);
netdev->features &=
~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
}

return 0;
}

static int
jme_set_tso(struct net_device *netdev, u32 on)
{
struct jme_adapter *jme = netdev_priv(netdev);

if (on) {
set_bit(JME_FLAG_TSO, &jme->flags);
if (netdev->mtu <= 1900)
netdev->features |= NETIF_F_TSO | NETIF_F_TSO6;
} else {
clear_bit(JME_FLAG_TSO, &jme->flags);
netdev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
}

return 0;
}

static int
jme_nway_reset(struct net_device *netdev)
{
Expand Down Expand Up @@ -2839,11 +2796,6 @@ static const struct ethtool_ops jme_ethtool_ops = {
.get_link = jme_get_link,
.get_msglevel = jme_get_msglevel,
.set_msglevel = jme_set_msglevel,
.get_rx_csum = jme_get_rx_csum,
.set_rx_csum = jme_set_rx_csum,
.set_tx_csum = jme_set_tx_csum,
.set_tso = jme_set_tso,
.set_sg = ethtool_op_set_sg,
.nway_reset = jme_nway_reset,
.get_eeprom_len = jme_get_eeprom_len,
.get_eeprom = jme_get_eeprom,
Expand Down Expand Up @@ -2903,6 +2855,8 @@ static const struct net_device_ops jme_netdev_ops = {
.ndo_change_mtu = jme_change_mtu,
.ndo_tx_timeout = jme_tx_timeout,
.ndo_vlan_rx_register = jme_vlan_rx_register,
.ndo_fix_features = jme_fix_features,
.ndo_set_features = jme_set_features,
};

static int __devinit
Expand Down Expand Up @@ -2957,6 +2911,12 @@ jme_init_one(struct pci_dev *pdev,
netdev->netdev_ops = &jme_netdev_ops;
netdev->ethtool_ops = &jme_ethtool_ops;
netdev->watchdog_timeo = TX_TIMEOUT;
netdev->hw_features = NETIF_F_IP_CSUM |
NETIF_F_IPV6_CSUM |
NETIF_F_SG |
NETIF_F_TSO |
NETIF_F_TSO6 |
NETIF_F_RXCSUM;
netdev->features = NETIF_F_IP_CSUM |
NETIF_F_IPV6_CSUM |
NETIF_F_SG |
Expand Down Expand Up @@ -3040,8 +3000,9 @@ jme_init_one(struct pci_dev *pdev,
jme->reg_txpfc = 0;
jme->reg_pmcs = PMCS_MFEN;
jme->reg_gpreg1 = GPREG1_DEFAULT;
set_bit(JME_FLAG_TXCSUM, &jme->flags);
set_bit(JME_FLAG_TSO, &jme->flags);

if (jme->reg_rxmcs & RXMCS_CHECKSUM)
netdev->features |= NETIF_F_RXCSUM;

/*
* Get Max Read Req Size from PCI Config Space
Expand Down
2 changes: 0 additions & 2 deletions drivers/net/jme.h
Original file line number Diff line number Diff line change
Expand Up @@ -468,8 +468,6 @@ struct jme_adapter {
enum jme_flags_bits {
JME_FLAG_MSI = 1,
JME_FLAG_SSET = 2,
JME_FLAG_TXCSUM = 3,
JME_FLAG_TSO = 4,
JME_FLAG_POLL = 5,
JME_FLAG_SHUTDOWN = 6,
};
Expand Down

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