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ethtool: Clean up definitions of rule location arrays in RX NFC 

Correct the description of ethtool_rxnfc::rule_locs; it is an array
of currently used locations, not all possible valid locations.

Add note that drivers must not use ethtool_rxnfc::rule_locs.

The rule_locs argument to ethtool_ops::get_rxnfc is either NULL or a
pointer to an array of u32, so change the parameter type accordingly.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2011-09-06 13:49:12 +00:00 committed by David S. Miller
parent 434495c50e
commit 815c7db5c8
8 changed files with 14 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
View File

@ -2241,7 +2241,7 @@ static int bnx2x_set_phys_id(struct net_device *dev,
}
static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
void *rules __always_unused)
u32 *rules __always_unused)
{
struct bnx2x *bp = netdev_priv(dev);

2
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
View File

@ -1902,7 +1902,7 @@ static int set_rss_table(struct net_device *dev,
}
static int get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
void *rules)
u32 *rules)
{
const struct port_info *pi = netdev_priv(dev);

4
drivers/net/ethernet/freescale/gianfar_ethtool.c
View File

@ -1712,7 +1712,7 @@ static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
}
static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
void *rule_locs)
u32 *rule_locs)
{
struct gfar_private *priv = netdev_priv(dev);
int ret = 0;
@ -1728,7 +1728,7 @@ static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
ret = gfar_get_cls(priv, cmd);
break;
case ETHTOOL_GRXCLSRLALL:
ret = gfar_get_cls_all(priv, cmd, (u32 *) rule_locs);
ret = gfar_get_cls_all(priv, cmd, rule_locs);
break;
default:
ret = -EINVAL;

5
drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
View File

@ -2287,7 +2287,7 @@ static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
}
static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
void *rule_locs)
u32 *rule_locs)
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
int ret = -EOPNOTSUPP;
@ -2305,8 +2305,7 @@ static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
break;
case ETHTOOL_GRXCLSRLALL:
ret = ixgbe_get_ethtool_fdir_all(adapter, cmd,
(u32 *)rule_locs);
ret = ixgbe_get_ethtool_fdir_all(adapter, cmd, rule_locs);
break;
default:
break;

2
drivers/net/ethernet/sfc/ethtool.c
View File

@ -824,7 +824,7 @@ static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
static int
efx_ethtool_get_rxnfc(struct net_device *net_dev,
struct ethtool_rxnfc *info, void *rules __always_unused)
struct ethtool_rxnfc *info, u32 *rules __always_unused)
{
struct efx_nic *efx = netdev_priv(net_dev);

4
drivers/net/ethernet/sun/niu.c
View File

@ -7303,7 +7303,7 @@ static int niu_get_ethtool_tcam_all(struct niu *np,
}
static int niu_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
void *rule_locs)
u32 *rule_locs)
{
struct niu *np = netdev_priv(dev);
int ret = 0;
@ -7322,7 +7322,7 @@ static int niu_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
ret = niu_get_ethtool_tcam_entry(np, cmd);
break;
case ETHTOOL_GRXCLSRLALL:
ret = niu_get_ethtool_tcam_all(np, cmd, (u32 *)rule_locs);
ret = niu_get_ethtool_tcam_all(np, cmd, rule_locs);
break;
default:
ret = -EINVAL;

2
drivers/net/vmxnet3/vmxnet3_ethtool.c
View File

@ -558,7 +558,7 @@ out:
static int
vmxnet3_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info,
void *rules)
u32 *rules)
{
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
switch (info->cmd) {

7
include/linux/ethtool.h
View File

@ -479,7 +479,7 @@ struct ethtool_rx_flow_spec {
* @data: Command-dependent value
* @fs: Flow classification rule
* @rule_cnt: Number of rules to be affected
* @rule_locs: Array of valid rule locations
* @rule_locs: Array of used rule locations
*
* For %ETHTOOL_GRXFH and %ETHTOOL_SRXFH, @data is a bitmask indicating
* the fields included in the flow hash, e.g. %RXH_IP_SRC. The following
@ -497,7 +497,8 @@ struct ethtool_rx_flow_spec {
* For %ETHTOOL_GRXCLSRLALL, @rule_cnt specifies the array size of the
* user buffer for @rule_locs on entry. On return, @data is the size
* of the rule table and @rule_locs contains the locations of the
* defined rules.
* defined rules. Drivers must use the second parameter to get_rxnfc()
* instead of @rule_locs.
*
* For %ETHTOOL_SRXCLSRLINS, @fs specifies the rule to add or update.
* @fs.@location specifies the location to use and must not be ignored.
@ -939,7 +940,7 @@ struct ethtool_ops {
int (*set_priv_flags)(struct net_device *, u32);
int (*get_sset_count)(struct net_device *, int);
int (*get_rxnfc)(struct net_device *,
struct ethtool_rxnfc *, void *);
struct ethtool_rxnfc *, u32 *rule_locs);
int (*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *);
int (*flash_device)(struct net_device *, struct ethtool_flash *);
int (*reset)(struct net_device *, u32 *);