aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/linux/ethtool.h8
-rw-r--r--net/core/ethtool.c38
2 files changed, 45 insertions, 1 deletions
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index f617998b87f1..71d4ada6f315 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -39,7 +39,8 @@ struct ethtool_drvinfo {
39 char bus_info[ETHTOOL_BUSINFO_LEN]; /* Bus info for this IF. */ 39 char bus_info[ETHTOOL_BUSINFO_LEN]; /* Bus info for this IF. */
40 /* For PCI devices, use pci_name(pci_dev). */ 40 /* For PCI devices, use pci_name(pci_dev). */
41 char reserved1[32]; 41 char reserved1[32];
42 char reserved2[16]; 42 char reserved2[12];
43 __u32 n_priv_flags; /* number of flags valid in ETHTOOL_GPFLAGS */
43 __u32 n_stats; /* number of u64's from ETHTOOL_GSTATS */ 44 __u32 n_stats; /* number of u64's from ETHTOOL_GSTATS */
44 __u32 testinfo_len; 45 __u32 testinfo_len;
45 __u32 eedump_len; /* Size of data from ETHTOOL_GEEPROM (bytes) */ 46 __u32 eedump_len; /* Size of data from ETHTOOL_GEEPROM (bytes) */
@@ -219,6 +220,7 @@ struct ethtool_pauseparam {
219enum ethtool_stringset { 220enum ethtool_stringset {
220 ETH_SS_TEST = 0, 221 ETH_SS_TEST = 0,
221 ETH_SS_STATS, 222 ETH_SS_STATS,
223 ETH_SS_PRIV_FLAGS,
222}; 224};
223 225
224/* for passing string sets for data tagging */ 226/* for passing string sets for data tagging */
@@ -386,6 +388,8 @@ struct ethtool_ops {
386 int (*set_ufo)(struct net_device *, u32); 388 int (*set_ufo)(struct net_device *, u32);
387 u32 (*get_flags)(struct net_device *); 389 u32 (*get_flags)(struct net_device *);
388 int (*set_flags)(struct net_device *, u32); 390 int (*set_flags)(struct net_device *, u32);
391 u32 (*get_priv_flags)(struct net_device *);
392 int (*set_priv_flags)(struct net_device *, u32);
389 int (*get_sset_count)(struct net_device *, int); 393 int (*get_sset_count)(struct net_device *, int);
390 394
391 /* the following hooks are obsolete */ 395 /* the following hooks are obsolete */
@@ -434,6 +438,8 @@ struct ethtool_ops {
434#define ETHTOOL_SGSO 0x00000024 /* Set GSO enable (ethtool_value) */ 438#define ETHTOOL_SGSO 0x00000024 /* Set GSO enable (ethtool_value) */
435#define ETHTOOL_GFLAGS 0x00000025 /* Get flags bitmap(ethtool_value) */ 439#define ETHTOOL_GFLAGS 0x00000025 /* Get flags bitmap(ethtool_value) */
436#define ETHTOOL_SFLAGS 0x00000026 /* Set flags bitmap(ethtool_value) */ 440#define ETHTOOL_SFLAGS 0x00000026 /* Set flags bitmap(ethtool_value) */
441#define ETHTOOL_GPFLAGS 0x00000027 /* Get driver-private flags bitmap */
442#define ETHTOOL_SPFLAGS 0x00000028 /* Set driver-private flags bitmap */
437 443
438/* compatibility with older code */ 444/* compatibility with older code */
439#define SPARC_ETH_GSET ETHTOOL_GSET 445#define SPARC_ETH_GSET ETHTOOL_GSET
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 1edae460d616..d255209dc110 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -188,6 +188,9 @@ static int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr)
188 rc = ops->get_sset_count(dev, ETH_SS_STATS); 188 rc = ops->get_sset_count(dev, ETH_SS_STATS);
189 if (rc >= 0) 189 if (rc >= 0)
190 info.n_stats = rc; 190 info.n_stats = rc;
191 rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS);
192 if (rc >= 0)
193 info.n_priv_flags = rc;
191 } else { 194 } else {
192 /* code path for obsolete hooks */ 195 /* code path for obsolete hooks */
193 196
@@ -881,6 +884,33 @@ static int ethtool_set_flags(struct net_device *dev, char __user *useraddr)
881 return dev->ethtool_ops->set_flags(dev, edata.data); 884 return dev->ethtool_ops->set_flags(dev, edata.data);
882} 885}
883 886
887static int ethtool_get_priv_flags(struct net_device *dev, char __user *useraddr)
888{
889 struct ethtool_value edata = { ETHTOOL_GPFLAGS };
890
891 if (!dev->ethtool_ops->get_priv_flags)
892 return -EOPNOTSUPP;
893
894 edata.data = dev->ethtool_ops->get_priv_flags(dev);
895
896 if (copy_to_user(useraddr, &edata, sizeof(edata)))
897 return -EFAULT;
898 return 0;
899}
900
901static int ethtool_set_priv_flags(struct net_device *dev, char __user *useraddr)
902{
903 struct ethtool_value edata;
904
905 if (!dev->ethtool_ops->set_priv_flags)
906 return -EOPNOTSUPP;
907
908 if (copy_from_user(&edata, useraddr, sizeof(edata)))
909 return -EFAULT;
910
911 return dev->ethtool_ops->set_priv_flags(dev, edata.data);
912}
913
884/* The main entry point in this file. Called from net/core/dev.c */ 914/* The main entry point in this file. Called from net/core/dev.c */
885 915
886int dev_ethtool(struct ifreq *ifr) 916int dev_ethtool(struct ifreq *ifr)
@@ -915,6 +945,8 @@ int dev_ethtool(struct ifreq *ifr)
915 case ETHTOOL_GPERMADDR: 945 case ETHTOOL_GPERMADDR:
916 case ETHTOOL_GUFO: 946 case ETHTOOL_GUFO:
917 case ETHTOOL_GGSO: 947 case ETHTOOL_GGSO:
948 case ETHTOOL_GFLAGS:
949 case ETHTOOL_GPFLAGS:
918 break; 950 break;
919 default: 951 default:
920 if (!capable(CAP_NET_ADMIN)) 952 if (!capable(CAP_NET_ADMIN))
@@ -1039,6 +1071,12 @@ int dev_ethtool(struct ifreq *ifr)
1039 case ETHTOOL_SFLAGS: 1071 case ETHTOOL_SFLAGS:
1040 rc = ethtool_set_flags(dev, useraddr); 1072 rc = ethtool_set_flags(dev, useraddr);
1041 break; 1073 break;
1074 case ETHTOOL_GPFLAGS:
1075 rc = ethtool_get_priv_flags(dev, useraddr);
1076 break;
1077 case ETHTOOL_SPFLAGS:
1078 rc = ethtool_set_priv_flags(dev, useraddr);
1079 break;
1042 default: 1080 default:
1043 rc = -EOPNOTSUPP; 1081 rc = -EOPNOTSUPP;
1044 } 1082 }