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ethtool: Add RX pkt classification interface

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Signed-off-by: Santwona Behera <santwona.behera@sun.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Santwona Behera
2009-02-20 00:58:13 -08:00
committed by David S. Miller
parent 3876732c12
commit 59089d8d16
2 changed files with 131 additions and 16 deletions
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58
net/core/ethtool.c
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@@ -209,34 +209,62 @@ static int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr)
return 0;
}
static int ethtool_set_rxhash(struct net_device *dev, void __user *useraddr)
static int ethtool_set_rxnfc(struct net_device *dev, void __user *useraddr)
{
struct ethtool_rxnfc cmd;
if (!dev->ethtool_ops->set_rxhash)
if (!dev->ethtool_ops->set_rxnfc)
return -EOPNOTSUPP;
if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
return -EFAULT;
return dev->ethtool_ops->set_rxhash(dev, &cmd);
return dev->ethtool_ops->set_rxnfc(dev, &cmd);
}
static int ethtool_get_rxhash(struct net_device *dev, void __user *useraddr)
static int ethtool_get_rxnfc(struct net_device *dev, void __user *useraddr)
{
struct ethtool_rxnfc info;
const struct ethtool_ops *ops = dev->ethtool_ops;
int ret;
void *rule_buf = NULL;
if (!dev->ethtool_ops->get_rxhash)
if (!ops->get_rxnfc)
return -EOPNOTSUPP;
if (copy_from_user(&info, useraddr, sizeof(info)))
return -EFAULT;
dev->ethtool_ops->get_rxhash(dev, &info);
if (info.cmd == ETHTOOL_GRXCLSRLALL) {
if (info.rule_cnt > 0) {
rule_buf = kmalloc(info.rule_cnt * sizeof(u32),
GFP_USER);
if (!rule_buf)
return -ENOMEM;
}
}
ret = ops->get_rxnfc(dev, &info, rule_buf);
if (ret < 0)
goto err_out;
ret = -EFAULT;
if (copy_to_user(useraddr, &info, sizeof(info)))
return -EFAULT;
return 0;
goto err_out;
if (rule_buf) {
useraddr += offsetof(struct ethtool_rxnfc, rule_locs);
if (copy_to_user(useraddr, rule_buf,
info.rule_cnt * sizeof(u32)))
goto err_out;
}
ret = 0;
err_out:
if (rule_buf)
kfree(rule_buf);
return ret;
}
static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
@@ -901,6 +929,10 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
case ETHTOOL_GFLAGS:
case ETHTOOL_GPFLAGS:
case ETHTOOL_GRXFH:
case ETHTOOL_GRXRINGS:
case ETHTOOL_GRXCLSRLCNT:
case ETHTOOL_GRXCLSRULE:
case ETHTOOL_GRXCLSRLALL:
break;
default:
if (!capable(CAP_NET_ADMIN))
@@ -1052,10 +1084,16 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
dev->ethtool_ops->set_priv_flags);
break;
case ETHTOOL_GRXFH:
rc = ethtool_get_rxhash(dev, useraddr);
case ETHTOOL_GRXRINGS:
case ETHTOOL_GRXCLSRLCNT:
case ETHTOOL_GRXCLSRULE:
case ETHTOOL_GRXCLSRLALL:
rc = ethtool_get_rxnfc(dev, useraddr);
break;
case ETHTOOL_SRXFH:
rc = ethtool_set_rxhash(dev, useraddr);
case ETHTOOL_SRXCLSRLDEL:
case ETHTOOL_SRXCLSRLINS:
rc = ethtool_set_rxnfc(dev, useraddr);
break;
case ETHTOOL_GGRO:
rc = ethtool_get_gro(dev, useraddr);