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-rw-r--r--net/ethtool/channels.c6
-rw-r--r--net/ethtool/common.c26
-rw-r--r--net/ethtool/common.h2
-rw-r--r--net/ethtool/ioctl.c4
4 files changed, 19 insertions, 19 deletions
diff --git a/net/ethtool/channels.c b/net/ethtool/channels.c
index 7b4bbd674bae..cee188da54f8 100644
--- a/net/ethtool/channels.c
+++ b/net/ethtool/channels.c
@@ -171,11 +171,9 @@ ethnl_set_channels(struct ethnl_req_info *req_info, struct genl_info *info)
*/
if (ethtool_get_max_rxnfc_channel(dev, &max_rxnfc_in_use))
max_rxnfc_in_use = 0;
- if (!netif_is_rxfh_configured(dev) ||
- ethtool_get_max_rxfh_channel(dev, &max_rxfh_in_use))
- max_rxfh_in_use = 0;
+ max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev);
if (channels.combined_count + channels.rx_count <= max_rxfh_in_use) {
- GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing indirection table settings");
+ GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing indirection table (%d)", max_rxfh_in_use);
return -EINVAL;
}
if (channels.combined_count + channels.rx_count <= max_rxnfc_in_use) {
diff --git a/net/ethtool/common.c b/net/ethtool/common.c
index 6b2a360dcdf0..8a62375ebd1f 100644
--- a/net/ethtool/common.c
+++ b/net/ethtool/common.c
@@ -587,35 +587,39 @@ err_free_info:
return err;
}
-int ethtool_get_max_rxfh_channel(struct net_device *dev, u32 *max)
+u32 ethtool_get_max_rxfh_channel(struct net_device *dev)
{
struct ethtool_rxfh_param rxfh = {};
- u32 dev_size, current_max = 0;
+ u32 dev_size, current_max;
int ret;
+ if (!netif_is_rxfh_configured(dev))
+ return 0;
+
if (!dev->ethtool_ops->get_rxfh_indir_size ||
!dev->ethtool_ops->get_rxfh)
- return -EOPNOTSUPP;
+ return 0;
dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
if (dev_size == 0)
- return -EOPNOTSUPP;
+ return 0;
rxfh.indir = kcalloc(dev_size, sizeof(rxfh.indir[0]), GFP_USER);
if (!rxfh.indir)
- return -ENOMEM;
+ return U32_MAX;
ret = dev->ethtool_ops->get_rxfh(dev, &rxfh);
- if (ret)
- goto out;
+ if (ret) {
+ current_max = U32_MAX;
+ goto out_free;
+ }
+ current_max = 0;
while (dev_size--)
current_max = max(current_max, rxfh.indir[dev_size]);
- *max = current_max;
-
-out:
+out_free:
kfree(rxfh.indir);
- return ret;
+ return current_max;
}
int ethtool_check_ops(const struct ethtool_ops *ops)
diff --git a/net/ethtool/common.h b/net/ethtool/common.h
index 28b8aaaf9bcb..b55705a9ad5a 100644
--- a/net/ethtool/common.h
+++ b/net/ethtool/common.h
@@ -42,7 +42,7 @@ int __ethtool_get_link(struct net_device *dev);
bool convert_legacy_settings_to_link_ksettings(
struct ethtool_link_ksettings *link_ksettings,
const struct ethtool_cmd *legacy_settings);
-int ethtool_get_max_rxfh_channel(struct net_device *dev, u32 *max);
+u32 ethtool_get_max_rxfh_channel(struct net_device *dev);
int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max);
int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info);
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index d72b0fec89af..615812ff8974 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -2049,9 +2049,7 @@ static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
* indirection table/rxnfc settings */
if (ethtool_get_max_rxnfc_channel(dev, &max_rxnfc_in_use))
max_rxnfc_in_use = 0;
- if (!netif_is_rxfh_configured(dev) ||
- ethtool_get_max_rxfh_channel(dev, &max_rxfh_in_use))
- max_rxfh_in_use = 0;
+ max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev);
if (channels.combined_count + channels.rx_count <=
max_t(u64, max_rxnfc_in_use, max_rxfh_in_use))
return -EINVAL;