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net: tg3: convert to hw_features

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Cleanup hint: Some features are calculated in tg3_get_invariants() and
the rest in its caller --- tg3_init_one(). This is not changed here.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michał Mirosław 2011-04-07 03:35:07 +00:00 committed by David S. Miller
parent 5ec8f9b8e6
commit dc668910f4
2 changed files with 32 additions and 105 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

135
drivers/net/tg3.c
View File

@ -4816,7 +4816,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
skb = copy_skb;
}
if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
if ((tp->dev->features & NETIF_F_RXCSUM) &&
(desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
(((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
>> RXD_TCPCSUM_SHIFT) == 0xffff))
@ -6127,6 +6127,16 @@ dma_error:
return NETDEV_TX_OK;
}
static u32 tg3_fix_features(struct net_device *dev, u32 features)
{
struct tg3 *tp = netdev_priv(dev);
if (dev->mtu > ETH_DATA_LEN && (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
features &= ~NETIF_F_ALL_TSO;
return features;
}
static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
int new_mtu)
{
@ -6134,14 +6144,16 @@ static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
if (new_mtu > ETH_DATA_LEN) {
if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
netdev_update_features(dev);
tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
ethtool_op_set_tso(dev, 0);
} else {
tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
}
} else {
if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
netdev_update_features(dev);
}
tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
}
}
@ -10021,33 +10033,6 @@ static void tg3_set_msglevel(struct net_device *dev, u32 value)
tp->msg_enable = value;
}
static int tg3_set_tso(struct net_device *dev, u32 value)
{
struct tg3 *tp = netdev_priv(dev);
if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
if (value)
return -EINVAL;
return 0;
}
if ((dev->features & NETIF_F_IPV6_CSUM) &&
((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
(tp->tg3_flags2 & TG3_FLG2_HW_TSO_3))) {
if (value) {
dev->features |= NETIF_F_TSO6;
if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
(GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
dev->features |= NETIF_F_TSO_ECN;
} else
dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
}
return ethtool_op_set_tso(dev, value);
}
static int tg3_nway_reset(struct net_device *dev)
{
struct tg3 *tp = netdev_priv(dev);
@ -10270,50 +10255,6 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam
return err;
}
static u32 tg3_get_rx_csum(struct net_device *dev)
{
struct tg3 *tp = netdev_priv(dev);
return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
}
static int tg3_set_rx_csum(struct net_device *dev, u32 data)
{
struct tg3 *tp = netdev_priv(dev);
if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
if (data != 0)
return -EINVAL;
return 0;
}
spin_lock_bh(&tp->lock);
if (data)
tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
else
tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
spin_unlock_bh(&tp->lock);
return 0;
}
static int tg3_set_tx_csum(struct net_device *dev, u32 data)
{
struct tg3 *tp = netdev_priv(dev);
if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
if (data != 0)
return -EINVAL;
return 0;
}
if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
ethtool_op_set_tx_ipv6_csum(dev, data);
else
ethtool_op_set_tx_csum(dev, data);
return 0;
}
static int tg3_get_sset_count(struct net_device *dev, int sset)
{
switch (sset) {
@ -11390,11 +11331,6 @@ static const struct ethtool_ops tg3_ethtool_ops = {
.set_ringparam = tg3_set_ringparam,
.get_pauseparam = tg3_get_pauseparam,
.set_pauseparam = tg3_set_pauseparam,
.get_rx_csum = tg3_get_rx_csum,
.set_rx_csum = tg3_set_rx_csum,
.set_tx_csum = tg3_set_tx_csum,
.set_sg = ethtool_op_set_sg,
.set_tso = tg3_set_tso,
.self_test = tg3_self_test,
.get_strings = tg3_get_strings,
.set_phys_id = tg3_set_phys_id,
@ -13262,11 +13198,6 @@ done:
static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
static inline void vlan_features_add(struct net_device *dev, unsigned long flags)
{
dev->vlan_features |= flags;
}
static inline u32 tg3_rx_ret_ring_size(struct tg3 *tp)
{
if (tp->tg3_flags3 & TG3_FLG3_LRG_PROD_RING_CAP)
@ -13513,16 +13444,14 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
/* 5700 B0 chips do not support checksumming correctly due
* to hardware bugs.
*/
if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
else {
unsigned long features = NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_GRO;
if (tp->pci_chip_rev_id != CHIPREV_ID_5700_B0) {
u32 features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
features |= NETIF_F_IPV6_CSUM;
tp->dev->features |= features;
vlan_features_add(tp->dev, features);
tp->dev->hw_features |= features;
tp->dev->vlan_features |= features;
}
/* Determine TSO capabilities */
@ -14794,6 +14723,7 @@ static const struct net_device_ops tg3_netdev_ops = {
.ndo_do_ioctl = tg3_ioctl,
.ndo_tx_timeout = tg3_tx_timeout,
.ndo_change_mtu = tg3_change_mtu,
.ndo_fix_features = tg3_fix_features,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = tg3_poll_controller,
#endif
@ -14824,6 +14754,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
u32 sndmbx, rcvmbx, intmbx;
char str[40];
u64 dma_mask, persist_dma_mask;
u32 hw_features = 0;
printk_once(KERN_INFO "%s\n", version);
@ -14984,27 +14915,25 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
* is off by default, but can be enabled using ethtool.
*/
if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) &&
(dev->features & NETIF_F_IP_CSUM)) {
dev->features |= NETIF_F_TSO;
vlan_features_add(dev, NETIF_F_TSO);
}
(dev->features & NETIF_F_IP_CSUM))
hw_features |= NETIF_F_TSO;
if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
(tp->tg3_flags2 & TG3_FLG2_HW_TSO_3)) {
if (dev->features & NETIF_F_IPV6_CSUM) {
dev->features |= NETIF_F_TSO6;
vlan_features_add(dev, NETIF_F_TSO6);
}
if (dev->features & NETIF_F_IPV6_CSUM)
hw_features |= NETIF_F_TSO6;
if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
(GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
dev->features |= NETIF_F_TSO_ECN;
vlan_features_add(dev, NETIF_F_TSO_ECN);
}
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
hw_features |= NETIF_F_TSO_ECN;
}
dev->hw_features |= hw_features;
dev->features |= hw_features;
dev->vlan_features |= hw_features;
if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
@ -15133,7 +15062,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
}
netdev_info(dev, "RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n",
(tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
(dev->features & NETIF_F_RXCSUM) != 0,
(tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
(tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT) != 0,
(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,

2
drivers/net/tg3.h
View File

@ -2883,7 +2883,6 @@ struct tg3 {
u32 tg3_flags;
#define TG3_FLAG_TAGGED_STATUS 0x00000001
#define TG3_FLAG_TXD_MBOX_HWBUG 0x00000002
#define TG3_FLAG_RX_CHECKSUMS 0x00000004
#define TG3_FLAG_USE_LINKCHG_REG 0x00000008
#define TG3_FLAG_ENABLE_ASF 0x00000020
#define TG3_FLAG_ASPM_WORKAROUND 0x00000040
@ -2909,7 +2908,6 @@ struct tg3 {
#define TG3_FLAG_PAUSE_AUTONEG 0x02000000
#define TG3_FLAG_CPMU_PRESENT 0x04000000
#define TG3_FLAG_40BIT_DMA_BUG 0x08000000
#define TG3_FLAG_BROKEN_CHECKSUMS 0x10000000
#define TG3_FLAG_JUMBO_CAPABLE 0x20000000
#define TG3_FLAG_CHIP_RESETTING 0x40000000
#define TG3_FLAG_INIT_COMPLETE 0x80000000