| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Sat, 9 Apr 2011 12:58:18 +0200 (CEST)
From: Michał Mirosław <mirq-linux@...e.qmqm.pl>
To: netdev@...r.kernel.org
Subject: [PATCH] net: 8139cp: convert to hw_features
Signed-off-by: Michał Mirosław <mirq-linux@...e.qmqm.pl>
---
drivers/net/8139cp.c | 46 +++++++++++++++++-----------------------------
1 files changed, 17 insertions(+), 29 deletions(-)
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index dd16e83..10c4505 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -758,8 +758,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
entry = cp->tx_head;
eor = (entry == (CP_TX_RING_SIZE - 1)) ? RingEnd : 0;
- if (dev->features & NETIF_F_TSO)
- mss = skb_shinfo(skb)->gso_size;
+ mss = skb_shinfo(skb)->gso_size;
if (skb_shinfo(skb)->nr_frags == 0) {
struct cp_desc *txd = &cp->tx_ring[entry];
@@ -1416,32 +1415,23 @@ static void cp_set_msglevel(struct net_device *dev, u32 value)
cp->msg_enable = value;
}
-static u32 cp_get_rx_csum(struct net_device *dev)
+static int cp_set_features(struct net_device *dev, u32 features)
{
struct cp_private *cp = netdev_priv(dev);
- return (cpr16(CpCmd) & RxChkSum) ? 1 : 0;
-}
+ unsigned long flags;
-static int cp_set_rx_csum(struct net_device *dev, u32 data)
-{
- struct cp_private *cp = netdev_priv(dev);
- u16 cmd = cp->cpcmd, newcmd;
+ if (!((dev->features ^ features) & NETIF_F_RXCSUM))
+ return 0;
- newcmd = cmd;
+ spin_lock_irqsave(&cp->lock, flags);
- if (data)
- newcmd |= RxChkSum;
+ if (features & NETIF_F_RXCSUM)
+ cp->cpcmd |= RxChkSum;
else
- newcmd &= ~RxChkSum;
+ cp->cpcmd &= ~RxChkSum;
- if (newcmd != cmd) {
- unsigned long flags;
-
- spin_lock_irqsave(&cp->lock, flags);
- cp->cpcmd = newcmd;
- cpw16_f(CpCmd, newcmd);
- spin_unlock_irqrestore(&cp->lock, flags);
- }
+ cpw16_f(CpCmd, cp->cpcmd);
+ spin_unlock_irqrestore(&cp->lock, flags);
return 0;
}
@@ -1554,11 +1544,6 @@ static const struct ethtool_ops cp_ethtool_ops = {
.get_link = ethtool_op_get_link,
.get_msglevel = cp_get_msglevel,
.set_msglevel = cp_set_msglevel,
- .get_rx_csum = cp_get_rx_csum,
- .set_rx_csum = cp_set_rx_csum,
- .set_tx_csum = ethtool_op_set_tx_csum, /* local! */
- .set_sg = ethtool_op_set_sg,
- .set_tso = ethtool_op_set_tso,
.get_regs = cp_get_regs,
.get_wol = cp_get_wol,
.set_wol = cp_set_wol,
@@ -1831,6 +1816,7 @@ static const struct net_device_ops cp_netdev_ops = {
.ndo_do_ioctl = cp_ioctl,
.ndo_start_xmit = cp_start_xmit,
.ndo_tx_timeout = cp_tx_timeout,
+ .ndo_set_features = cp_set_features,
#if CP_VLAN_TAG_USED
.ndo_vlan_rx_register = cp_vlan_rx_register,
#endif
@@ -1934,6 +1920,9 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
cp->cpcmd = (pci_using_dac ? PCIDAC : 0) |
PCIMulRW | RxChkSum | CpRxOn | CpTxOn;
+ dev->features |= NETIF_F_RXCSUM;
+ dev->hw_features |= NETIF_F_RXCSUM;
+
regs = ioremap(pciaddr, CP_REGS_SIZE);
if (!regs) {
rc = -EIO;
@@ -1966,9 +1955,8 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
if (pci_using_dac)
dev->features |= NETIF_F_HIGHDMA;
-#if 0 /* disabled by default until verified */
- dev->features |= NETIF_F_TSO;
-#endif
+ /* disabled by default until verified */
+ dev->hw_features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO;
dev->irq = pdev->irq;
--
1.7.2.5
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists