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[ETHTOOL]: Introduce ->{get,set}_priv_flags, ETHTOOL_[GS]PFLAGS

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Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jeff Garzik 2007-08-15 16:01:32 -07:00 committed by David S. Miller
parent ff03d49f0c
commit 339bf02475
2 changed files with 45 additions and 1 deletions
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8
include/linux/ethtool.h
View file

@ -39,7 +39,8 @@ struct ethtool_drvinfo {
char bus_info[ETHTOOL_BUSINFO_LEN]; /* Bus info for this IF. */
/* For PCI devices, use pci_name(pci_dev). */
char reserved1[32];
char reserved2[16];
char reserved2[12];
__u32 n_priv_flags; /* number of flags valid in ETHTOOL_GPFLAGS */
__u32 n_stats; /* number of u64's from ETHTOOL_GSTATS */
__u32 testinfo_len;
__u32 eedump_len; /* Size of data from ETHTOOL_GEEPROM (bytes) */
@ -219,6 +220,7 @@ struct ethtool_pauseparam {
enum ethtool_stringset {
ETH_SS_TEST = 0,
ETH_SS_STATS,
ETH_SS_PRIV_FLAGS,
};
/* for passing string sets for data tagging */
@ -386,6 +388,8 @@ struct ethtool_ops {
int (*set_ufo)(struct net_device *, u32);
u32 (*get_flags)(struct net_device *);
int (*set_flags)(struct net_device *, u32);
u32 (*get_priv_flags)(struct net_device *);
int (*set_priv_flags)(struct net_device *, u32);
int (*get_sset_count)(struct net_device *, int);
/* the following hooks are obsolete */
@ -434,6 +438,8 @@ struct ethtool_ops {
#define ETHTOOL_SGSO 0x00000024 /* Set GSO enable (ethtool_value) */
#define ETHTOOL_GFLAGS 0x00000025 /* Get flags bitmap(ethtool_value) */
#define ETHTOOL_SFLAGS 0x00000026 /* Set flags bitmap(ethtool_value) */
#define ETHTOOL_GPFLAGS 0x00000027 /* Get driver-private flags bitmap */
#define ETHTOOL_SPFLAGS 0x00000028 /* Set driver-private flags bitmap */
/* compatibility with older code */
#define SPARC_ETH_GSET ETHTOOL_GSET

38
net/core/ethtool.c
View file

@ -188,6 +188,9 @@ static int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr)
rc = ops->get_sset_count(dev, ETH_SS_STATS);
if (rc >= 0)
info.n_stats = rc;
rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS);
if (rc >= 0)
info.n_priv_flags = rc;
} else {
/* code path for obsolete hooks */
@ -881,6 +884,33 @@ static int ethtool_set_flags(struct net_device *dev, char __user *useraddr)
return dev->ethtool_ops->set_flags(dev, edata.data);
}
static int ethtool_get_priv_flags(struct net_device *dev, char __user *useraddr)
{
struct ethtool_value edata = { ETHTOOL_GPFLAGS };
if (!dev->ethtool_ops->get_priv_flags)
return -EOPNOTSUPP;
edata.data = dev->ethtool_ops->get_priv_flags(dev);
if (copy_to_user(useraddr, &edata, sizeof(edata)))
return -EFAULT;
return 0;
}
static int ethtool_set_priv_flags(struct net_device *dev, char __user *useraddr)
{
struct ethtool_value edata;
if (!dev->ethtool_ops->set_priv_flags)
return -EOPNOTSUPP;
if (copy_from_user(&edata, useraddr, sizeof(edata)))
return -EFAULT;
return dev->ethtool_ops->set_priv_flags(dev, edata.data);
}
/* The main entry point in this file. Called from net/core/dev.c */
int dev_ethtool(struct ifreq *ifr)
@ -915,6 +945,8 @@ int dev_ethtool(struct ifreq *ifr)
case ETHTOOL_GPERMADDR:
case ETHTOOL_GUFO:
case ETHTOOL_GGSO:
case ETHTOOL_GFLAGS:
case ETHTOOL_GPFLAGS:
break;
default:
if (!capable(CAP_NET_ADMIN))
@ -1039,6 +1071,12 @@ int dev_ethtool(struct ifreq *ifr)
case ETHTOOL_SFLAGS:
rc = ethtool_set_flags(dev, useraddr);
break;
case ETHTOOL_GPFLAGS:
rc = ethtool_get_priv_flags(dev, useraddr);
break;
case ETHTOOL_SPFLAGS:
rc = ethtool_set_priv_flags(dev, useraddr);
break;
default:
rc = -EOPNOTSUPP;
}