diff options
| author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2009-03-27 18:14:38 +0300 |
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2009-03-27 18:14:38 +0300 |
| commit | b92efa9abffc4a634cd2e7a0f81f8aa6310d67c9 (patch) | |
| tree | 9847508d9b8d4e585f90db4a453bfbc3700c997e /net/core/ethtool.c | |
| parent | a16fffdd8eb95ebab7dc22414896fe6493951e0e (diff) | |
| parent | be0ea69674ed95e1e98cb3687a241badc756d228 (diff) | |
| download | linux-b92efa9abffc4a634cd2e7a0f81f8aa6310d67c9.tar.xz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into avr32-arch
Diffstat (limited to 'net/core/ethtool.c')
| -rw-r--r-- | net/core/ethtool.c | 58 |
1 files changed, 48 insertions, 10 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 947710a36ced..244ca56dffac 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -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); |