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Diffstat (limited to 'net/ethtool/ioctl.c')
-rw-r--r--net/ethtool/ioctl.c883
1 files changed, 679 insertions, 204 deletions
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 646b3e490c71..fa83ddade4f8 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -26,11 +26,13 @@
#include <linux/sched/signal.h>
#include <linux/net.h>
#include <linux/pm_runtime.h>
+#include <linux/utsname.h>
#include <net/devlink.h>
+#include <net/ipv6.h>
#include <net/xdp_sock_drv.h>
#include <net/flow_offload.h>
+#include <net/netdev_lock.h>
#include <linux/ethtool_netlink.h>
-#include <generated/utsrelease.h>
#include "common.h"
/* State held across locks and calls for commands which have devlink fallback */
@@ -57,11 +59,15 @@ static struct devlink *netdev_to_devlink_get(struct net_device *dev)
u32 ethtool_op_get_link(struct net_device *dev)
{
+ /* Synchronize carrier state with link watch, see also rtnl_getlink() */
+ __linkwatch_sync_dev(dev);
+
return netif_carrier_ok(dev) ? 1 : 0;
}
EXPORT_SYMBOL(ethtool_op_get_link);
-int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
+int ethtool_op_get_ts_info(struct net_device *dev,
+ struct kernel_ethtool_ts_info *info)
{
info->so_timestamping =
SOF_TIMESTAMPING_TX_SOFTWARE |
@@ -437,6 +443,9 @@ int __ethtool_get_link_ksettings(struct net_device *dev,
if (!dev->ethtool_ops->get_link_ksettings)
return -EOPNOTSUPP;
+ if (!netif_device_present(dev))
+ return -ENODEV;
+
memset(link_ksettings, 0, sizeof(*link_ksettings));
return dev->ethtool_ops->get_link_ksettings(dev, link_ksettings);
}
@@ -573,8 +582,8 @@ static int ethtool_get_link_ksettings(struct net_device *dev,
static int ethtool_set_link_ksettings(struct net_device *dev,
void __user *useraddr)
{
+ struct ethtool_link_ksettings link_ksettings = {};
int err;
- struct ethtool_link_ksettings link_ksettings;
ASSERT_RTNL();
@@ -608,8 +617,8 @@ static int ethtool_set_link_ksettings(struct net_device *dev,
err = dev->ethtool_ops->set_link_ksettings(dev, &link_ksettings);
if (err >= 0) {
- ethtool_notify(dev, ETHTOOL_MSG_LINKINFO_NTF, NULL);
- ethtool_notify(dev, ETHTOOL_MSG_LINKMODES_NTF, NULL);
+ ethtool_notify(dev, ETHTOOL_MSG_LINKINFO_NTF);
+ ethtool_notify(dev, ETHTOOL_MSG_LINKMODES_NTF);
}
return err;
}
@@ -654,6 +663,9 @@ static int ethtool_get_settings(struct net_device *dev, void __user *useraddr)
if (!dev->ethtool_ops->get_link_ksettings)
return -EOPNOTSUPP;
+ if (dev->ethtool->module_fw_flash_in_progress)
+ return -EBUSY;
+
memset(&link_ksettings, 0, sizeof(link_ksettings));
err = dev->ethtool_ops->get_link_ksettings(dev, &link_ksettings);
if (err < 0)
@@ -696,8 +708,8 @@ static int ethtool_set_settings(struct net_device *dev, void __user *useraddr)
__ETHTOOL_LINK_MODE_MASK_NU32;
ret = dev->ethtool_ops->set_link_ksettings(dev, &link_ksettings);
if (ret >= 0) {
- ethtool_notify(dev, ETHTOOL_MSG_LINKINFO_NTF, NULL);
- ethtool_notify(dev, ETHTOOL_MSG_LINKMODES_NTF, NULL);
+ ethtool_notify(dev, ETHTOOL_MSG_LINKINFO_NTF);
+ ethtool_notify(dev, ETHTOOL_MSG_LINKMODES_NTF);
}
return ret;
}
@@ -709,7 +721,8 @@ ethtool_get_drvinfo(struct net_device *dev, struct ethtool_devlink_compat *rsp)
struct device *parent = dev->dev.parent;
rsp->info.cmd = ETHTOOL_GDRVINFO;
- strscpy(rsp->info.version, UTS_RELEASE, sizeof(rsp->info.version));
+ strscpy(rsp->info.version, init_uts_ns.name.release,
+ sizeof(rsp->info.version));
if (ops->get_drvinfo) {
ops->get_drvinfo(dev, &rsp->info);
if (!rsp->info.bus_info[0] && parent)
@@ -906,6 +919,38 @@ static int ethtool_rxnfc_copy_to_compat(void __user *useraddr,
return 0;
}
+static int ethtool_rxnfc_copy_struct(u32 cmd, struct ethtool_rxnfc *info,
+ size_t *info_size, void __user *useraddr)
+{
+ /* struct ethtool_rxnfc was originally defined for
+ * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
+ * members. User-space might still be using that
+ * definition.
+ */
+ if (cmd == ETHTOOL_GRXFH || cmd == ETHTOOL_SRXFH)
+ *info_size = (offsetof(struct ethtool_rxnfc, data) +
+ sizeof(info->data));
+
+ if (ethtool_rxnfc_copy_from_user(info, useraddr, *info_size))
+ return -EFAULT;
+
+ if ((cmd == ETHTOOL_GRXFH || cmd == ETHTOOL_SRXFH) && info->flow_type & FLOW_RSS) {
+ *info_size = sizeof(*info);
+ if (ethtool_rxnfc_copy_from_user(info, useraddr, *info_size))
+ return -EFAULT;
+ /* Since malicious users may modify the original data,
+ * we need to check whether FLOW_RSS is still requested.
+ */
+ if (!(info->flow_type & FLOW_RSS))
+ return -EINVAL;
+ }
+
+ if (info->cmd != cmd)
+ return -EINVAL;
+
+ return 0;
+}
+
static int ethtool_rxnfc_copy_to_user(void __user *useraddr,
const struct ethtool_rxnfc *rxnfc,
size_t size, const u32 *rule_buf)
@@ -933,28 +978,226 @@ static int ethtool_rxnfc_copy_to_user(void __user *useraddr,
return 0;
}
+static bool flow_type_hashable(u32 flow_type)
+{
+ switch (flow_type) {
+ case ETHER_FLOW:
+ case TCP_V4_FLOW:
+ case UDP_V4_FLOW:
+ case SCTP_V4_FLOW:
+ case AH_ESP_V4_FLOW:
+ case TCP_V6_FLOW:
+ case UDP_V6_FLOW:
+ case SCTP_V6_FLOW:
+ case AH_ESP_V6_FLOW:
+ case AH_V4_FLOW:
+ case ESP_V4_FLOW:
+ case AH_V6_FLOW:
+ case ESP_V6_FLOW:
+ case IPV4_FLOW:
+ case IPV6_FLOW:
+ case GTPU_V4_FLOW:
+ case GTPU_V6_FLOW:
+ case GTPC_V4_FLOW:
+ case GTPC_V6_FLOW:
+ case GTPC_TEID_V4_FLOW:
+ case GTPC_TEID_V6_FLOW:
+ case GTPU_EH_V4_FLOW:
+ case GTPU_EH_V6_FLOW:
+ case GTPU_UL_V4_FLOW:
+ case GTPU_UL_V6_FLOW:
+ case GTPU_DL_V4_FLOW:
+ case GTPU_DL_V6_FLOW:
+ return true;
+ }
+
+ return false;
+}
+
+static bool flow_type_v6(u32 flow_type)
+{
+ switch (flow_type) {
+ case TCP_V6_FLOW:
+ case UDP_V6_FLOW:
+ case SCTP_V6_FLOW:
+ case AH_ESP_V6_FLOW:
+ case AH_V6_FLOW:
+ case ESP_V6_FLOW:
+ case IPV6_FLOW:
+ case GTPU_V6_FLOW:
+ case GTPC_V6_FLOW:
+ case GTPC_TEID_V6_FLOW:
+ case GTPU_EH_V6_FLOW:
+ case GTPU_UL_V6_FLOW:
+ case GTPU_DL_V6_FLOW:
+ return true;
+ }
+
+ return false;
+}
+
+/* When adding a new type, update the assert and, if it's hashable, add it to
+ * the flow_type_hashable switch case.
+ */
+static_assert(GTPU_DL_V6_FLOW + 1 == __FLOW_TYPE_COUNT);
+
+static int ethtool_check_xfrm_rxfh(u32 input_xfrm, u64 rxfh)
+{
+ /* Sanity check: if symmetric-xor/symmetric-or-xor is set, then:
+ * 1 - no other fields besides IP src/dst and/or L4 src/dst are set
+ * 2 - If src is set, dst must also be set
+ */
+ if ((input_xfrm != RXH_XFRM_NO_CHANGE &&
+ input_xfrm & (RXH_XFRM_SYM_XOR | RXH_XFRM_SYM_OR_XOR)) &&
+ !ethtool_rxfh_config_is_sym(rxfh))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int ethtool_check_flow_types(struct net_device *dev, u32 input_xfrm)
+{
+ const struct ethtool_ops *ops = dev->ethtool_ops;
+ int err;
+ u32 i;
+
+ if (!input_xfrm || input_xfrm == RXH_XFRM_NO_CHANGE)
+ return 0;
+
+ for (i = 0; i < __FLOW_TYPE_COUNT; i++) {
+ struct ethtool_rxfh_fields fields = {
+ .flow_type = i,
+ };
+
+ if (!flow_type_hashable(i))
+ continue;
+
+ if (ops->get_rxfh_fields(dev, &fields))
+ continue;
+
+ err = ethtool_check_xfrm_rxfh(input_xfrm, fields.data);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+static noinline_for_stack int
+ethtool_set_rxfh_fields(struct net_device *dev, u32 cmd, void __user *useraddr)
+{
+ const struct ethtool_ops *ops = dev->ethtool_ops;
+ struct ethtool_rxfh_fields fields = {};
+ struct ethtool_rxnfc info;
+ size_t info_size = sizeof(info);
+ int rc;
+
+ if (!ops->set_rxfh_fields)
+ return -EOPNOTSUPP;
+
+ rc = ethtool_rxnfc_copy_struct(cmd, &info, &info_size, useraddr);
+ if (rc)
+ return rc;
+
+ if (info.data & RXH_IP6_FL && !flow_type_v6(info.flow_type))
+ return -EINVAL;
+
+ if (info.flow_type & FLOW_RSS && info.rss_context &&
+ !ops->rxfh_per_ctx_fields)
+ return -EINVAL;
+
+ mutex_lock(&dev->ethtool->rss_lock);
+ if (ops->get_rxfh) {
+ struct ethtool_rxfh_param rxfh = {};
+
+ rc = ops->get_rxfh(dev, &rxfh);
+ if (rc)
+ goto exit_unlock;
+
+ rc = ethtool_check_xfrm_rxfh(rxfh.input_xfrm, info.data);
+ if (rc)
+ goto exit_unlock;
+ }
+
+ fields.data = info.data;
+ fields.flow_type = info.flow_type & ~FLOW_RSS;
+ if (info.flow_type & FLOW_RSS)
+ fields.rss_context = info.rss_context;
+
+ rc = ops->set_rxfh_fields(dev, &fields, NULL);
+exit_unlock:
+ mutex_unlock(&dev->ethtool->rss_lock);
+ if (rc)
+ return rc;
+
+ ethtool_rss_notify(dev, ETHTOOL_MSG_RSS_NTF, fields.rss_context);
+ return 0;
+}
+
+static noinline_for_stack int
+ethtool_get_rxfh_fields(struct net_device *dev, u32 cmd, void __user *useraddr)
+{
+ struct ethtool_rxnfc info;
+ size_t info_size = sizeof(info);
+ const struct ethtool_ops *ops = dev->ethtool_ops;
+ struct ethtool_rxfh_fields fields = {};
+ int ret;
+
+ if (!ops->get_rxfh_fields)
+ return -EOPNOTSUPP;
+
+ ret = ethtool_rxnfc_copy_struct(cmd, &info, &info_size, useraddr);
+ if (ret)
+ return ret;
+
+ if (info.flow_type & FLOW_RSS && info.rss_context &&
+ !ops->rxfh_per_ctx_fields)
+ return -EINVAL;
+
+ fields.flow_type = info.flow_type & ~FLOW_RSS;
+ if (info.flow_type & FLOW_RSS)
+ fields.rss_context = info.rss_context;
+
+ mutex_lock(&dev->ethtool->rss_lock);
+ ret = ops->get_rxfh_fields(dev, &fields);
+ mutex_unlock(&dev->ethtool->rss_lock);
+ if (ret < 0)
+ return ret;
+
+ info.data = fields.data;
+
+ return ethtool_rxnfc_copy_to_user(useraddr, &info, info_size, NULL);
+}
+
static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev,
u32 cmd, void __user *useraddr)
{
+ const struct ethtool_ops *ops = dev->ethtool_ops;
struct ethtool_rxnfc info;
size_t info_size = sizeof(info);
int rc;
- if (!dev->ethtool_ops->set_rxnfc)
+ if (!ops->set_rxnfc)
return -EOPNOTSUPP;
- /* struct ethtool_rxnfc was originally defined for
- * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
- * members. User-space might still be using that
- * definition. */
- if (cmd == ETHTOOL_SRXFH)
- info_size = (offsetof(struct ethtool_rxnfc, data) +
- sizeof(info.data));
+ rc = ethtool_rxnfc_copy_struct(cmd, &info, &info_size, useraddr);
+ if (rc)
+ return rc;
- if (ethtool_rxnfc_copy_from_user(&info, useraddr, info_size))
- return -EFAULT;
+ if (cmd == ETHTOOL_SRXCLSRLINS && info.fs.flow_type & FLOW_RSS) {
+ /* Nonzero ring with RSS only makes sense
+ * if NIC adds them together
+ */
+ if (!ops->cap_rss_rxnfc_adds &&
+ ethtool_get_flow_spec_ring(info.fs.ring_cookie))
+ return -EINVAL;
- rc = dev->ethtool_ops->set_rxnfc(dev, &info);
+ if (info.rss_context &&
+ !xa_load(&dev->ethtool->rss_ctx, info.rss_context))
+ return -EINVAL;
+ }
+
+ rc = ops->set_rxnfc(dev, &info);
if (rc)
return rc;
@@ -965,45 +1208,44 @@ static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev,
return 0;
}
+static noinline_for_stack int ethtool_get_rxrings(struct net_device *dev,
+ u32 cmd,
+ void __user *useraddr)
+{
+ struct ethtool_rxnfc info;
+ size_t info_size;
+ int ret;
+
+ info_size = sizeof(info);
+ ret = ethtool_rxnfc_copy_struct(cmd, &info, &info_size, useraddr);
+ if (ret)
+ return ret;
+
+ ret = ethtool_get_rx_ring_count(dev);
+ if (ret < 0)
+ return ret;
+
+ info.data = ret;
+
+ return ethtool_rxnfc_copy_to_user(useraddr, &info, info_size, NULL);
+}
+
static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev,
u32 cmd, void __user *useraddr)
{
- struct ethtool_rxnfc info;
- size_t info_size = sizeof(info);
const struct ethtool_ops *ops = dev->ethtool_ops;
- int ret;
+ struct ethtool_rxnfc info;
void *rule_buf = NULL;
+ size_t info_size;
+ int ret;
if (!ops->get_rxnfc)
return -EOPNOTSUPP;
- /* struct ethtool_rxnfc was originally defined for
- * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
- * members. User-space might still be using that
- * definition. */
- if (cmd == ETHTOOL_GRXFH)
- info_size = (offsetof(struct ethtool_rxnfc, data) +
- sizeof(info.data));
-
- if (ethtool_rxnfc_copy_from_user(&info, useraddr, info_size))
- return -EFAULT;
-
- /* If FLOW_RSS was requested then user-space must be using the
- * new definition, as FLOW_RSS is newer.
- */
- if (cmd == ETHTOOL_GRXFH && info.flow_type & FLOW_RSS) {
- info_size = sizeof(info);
- if (ethtool_rxnfc_copy_from_user(&info, useraddr, info_size))
- return -EFAULT;
- /* Since malicious users may modify the original data,
- * we need to check whether FLOW_RSS is still requested.
- */
- if (!(info.flow_type & FLOW_RSS))
- return -EINVAL;
- }
-
- if (info.cmd != cmd)
- return -EINVAL;
+ info_size = sizeof(info);
+ ret = ethtool_rxnfc_copy_struct(cmd, &info, &info_size, useraddr);
+ if (ret)
+ return ret;
if (info.cmd == ETHTOOL_GRXCLSRLALL) {
if (info.rule_cnt > 0) {
@@ -1027,8 +1269,8 @@ err_out:
}
static int ethtool_copy_validate_indir(u32 *indir, void __user *useraddr,
- struct ethtool_rxnfc *rx_rings,
- u32 size)
+ int num_rx_rings,
+ u32 size)
{
int i;
@@ -1037,7 +1279,7 @@ static int ethtool_copy_validate_indir(u32 *indir, void __user *useraddr,
/* Validate ring indices */
for (i = 0; i < size; i++)
- if (indir[i] >= rx_rings->data)
+ if (indir[i] >= num_rx_rings)
return -EINVAL;
return 0;
@@ -1056,15 +1298,15 @@ EXPORT_SYMBOL(netdev_rss_key_fill);
static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev,
void __user *useraddr)
{
- u32 user_size, dev_size;
- u32 *indir;
+ struct ethtool_rxfh_param rxfh = {};
+ u32 user_size;
int ret;
if (!dev->ethtool_ops->get_rxfh_indir_size ||
!dev->ethtool_ops->get_rxfh)
return -EOPNOTSUPP;
- dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
- if (dev_size == 0)
+ rxfh.indir_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
+ if (rxfh.indir_size == 0)
return -EOPNOTSUPP;
if (copy_from_user(&user_size,
@@ -1073,50 +1315,51 @@ static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev,
return -EFAULT;
if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh_indir, size),
- &dev_size, sizeof(dev_size)))
+ &rxfh.indir_size, sizeof(rxfh.indir_size)))
return -EFAULT;
/* If the user buffer size is 0, this is just a query for the
* device table size. Otherwise, if it's smaller than the
* device table size it's an error.
*/
- if (user_size < dev_size)
+ if (user_size < rxfh.indir_size)
return user_size == 0 ? 0 : -EINVAL;
- indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
- if (!indir)
+ rxfh.indir = kcalloc(rxfh.indir_size, sizeof(rxfh.indir[0]), GFP_USER);
+ if (!rxfh.indir)
return -ENOMEM;
- ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL);
+ mutex_lock(&dev->ethtool->rss_lock);
+ ret = dev->ethtool_ops->get_rxfh(dev, &rxfh);
+ mutex_unlock(&dev->ethtool->rss_lock);
if (ret)
goto out;
-
if (copy_to_user(useraddr +
offsetof(struct ethtool_rxfh_indir, ring_index[0]),
- indir, dev_size * sizeof(indir[0])))
+ rxfh.indir, rxfh.indir_size * sizeof(*rxfh.indir)))
ret = -EFAULT;
out:
- kfree(indir);
+ kfree(rxfh.indir);
return ret;
}
static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev,
void __user *useraddr)
{
- struct ethtool_rxnfc rx_rings;
- u32 user_size, dev_size, i;
- u32 *indir;
const struct ethtool_ops *ops = dev->ethtool_ops;
+ struct ethtool_rxfh_param rxfh_dev = {};
+ struct netlink_ext_ack *extack = NULL;
+ int num_rx_rings;
+ u32 user_size, i;
int ret;
u32 ringidx_offset = offsetof(struct ethtool_rxfh_indir, ring_index[0]);
- if (!ops->get_rxfh_indir_size || !ops->set_rxfh ||
- !ops->get_rxnfc)
+ if (!ops->get_rxfh_indir_size || !ops->set_rxfh)
return -EOPNOTSUPP;
- dev_size = ops->get_rxfh_indir_size(dev);
- if (dev_size == 0)
+ rxfh_dev.indir_size = ops->get_rxfh_indir_size(dev);
+ if (rxfh_dev.indir_size == 0)
return -EOPNOTSUPP;
if (copy_from_user(&user_size,
@@ -1124,33 +1367,40 @@ static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev,
sizeof(user_size)))
return -EFAULT;
- if (user_size != 0 && user_size != dev_size)
+ if (user_size != 0 && user_size != rxfh_dev.indir_size)
return -EINVAL;
- indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
- if (!indir)
+ rxfh_dev.indir = kcalloc(rxfh_dev.indir_size,
+ sizeof(rxfh_dev.indir[0]), GFP_USER);
+ if (!rxfh_dev.indir)
return -ENOMEM;
- rx_rings.cmd = ETHTOOL_GRXRINGS;
- ret = ops->get_rxnfc(dev, &rx_rings, NULL);
- if (ret)
+ num_rx_rings = ethtool_get_rx_ring_count(dev);
+ if (num_rx_rings < 0) {
+ ret = num_rx_rings;
goto out;
+ }
if (user_size == 0) {
- for (i = 0; i < dev_size; i++)
- indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data);
+ u32 *indir = rxfh_dev.indir;
+
+ for (i = 0; i < rxfh_dev.indir_size; i++)
+ indir[i] = ethtool_rxfh_indir_default(i, num_rx_rings);
} else {
- ret = ethtool_copy_validate_indir(indir,
+ ret = ethtool_copy_validate_indir(rxfh_dev.indir,
useraddr + ringidx_offset,
- &rx_rings,
- dev_size);
+ num_rx_rings,
+ rxfh_dev.indir_size);
if (ret)
goto out;
}
- ret = ops->set_rxfh(dev, indir, NULL, ETH_RSS_HASH_NO_CHANGE);
+ rxfh_dev.hfunc = ETH_RSS_HASH_NO_CHANGE;
+
+ mutex_lock(&dev->ethtool->rss_lock);
+ ret = ops->set_rxfh(dev, &rxfh_dev, extack);
if (ret)
- goto out;
+ goto out_unlock;
/* indicate whether rxfh was set to default */
if (user_size == 0)
@@ -1158,33 +1408,33 @@ static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev,
else
dev->priv_flags |= IFF_RXFH_CONFIGURED;
+out_unlock:
+ mutex_unlock(&dev->ethtool->rss_lock);
out:
- kfree(indir);
+ kfree(rxfh_dev.indir);
return ret;
}
static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev,
void __user *useraddr)
{
- int ret;
const struct ethtool_ops *ops = dev->ethtool_ops;
+ struct ethtool_rxfh_param rxfh_dev = {};
u32 user_indir_size, user_key_size;
- u32 dev_indir_size = 0, dev_key_size = 0;
+ struct ethtool_rxfh_context *ctx;
struct ethtool_rxfh rxfh;
- u32 total_size;
u32 indir_bytes;
- u32 *indir = NULL;
- u8 dev_hfunc = 0;
- u8 *hkey = NULL;
u8 *rss_config;
+ u32 total_size;
+ int ret;
if (!ops->get_rxfh)
return -EOPNOTSUPP;
if (ops->get_rxfh_indir_size)
- dev_indir_size = ops->get_rxfh_indir_size(dev);
+ rxfh_dev.indir_size = ops->get_rxfh_indir_size(dev);
if (ops->get_rxfh_key_size)
- dev_key_size = ops->get_rxfh_key_size(dev);
+ rxfh_dev.key_size = ops->get_rxfh_key_size(dev);
if (copy_from_user(&rxfh, useraddr, sizeof(rxfh)))
return -EFAULT;
@@ -1192,44 +1442,72 @@ static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev,
user_key_size = rxfh.key_size;
/* Check that reserved fields are 0 for now */
- if (rxfh.rsvd8[0] || rxfh.rsvd8[1] || rxfh.rsvd8[2] || rxfh.rsvd32)
+ if (rxfh.rsvd8[0] || rxfh.rsvd8[1] || rxfh.rsvd32)
return -EINVAL;
/* Most drivers don't handle rss_context, check it's 0 as well */
- if (rxfh.rss_context && !ops->get_rxfh_context)
+ if (rxfh.rss_context && !ops->create_rxfh_context)
return -EOPNOTSUPP;
- rxfh.indir_size = dev_indir_size;
- rxfh.key_size = dev_key_size;
+ rxfh.indir_size = rxfh_dev.indir_size;
+ rxfh.key_size = rxfh_dev.key_size;
if (copy_to_user(useraddr, &rxfh, sizeof(rxfh)))
return -EFAULT;
- if ((user_indir_size && (user_indir_size != dev_indir_size)) ||
- (user_key_size && (user_key_size != dev_key_size)))
+ if ((user_indir_size && user_indir_size != rxfh_dev.indir_size) ||
+ (user_key_size && user_key_size != rxfh_dev.key_size))
return -EINVAL;
- indir_bytes = user_indir_size * sizeof(indir[0]);
+ indir_bytes = user_indir_size * sizeof(rxfh_dev.indir[0]);
total_size = indir_bytes + user_key_size;
rss_config = kzalloc(total_size, GFP_USER);
if (!rss_config)
return -ENOMEM;
if (user_indir_size)
- indir = (u32 *)rss_config;
+ rxfh_dev.indir = (u32 *)rss_config;
if (user_key_size)
- hkey = rss_config + indir_bytes;
+ rxfh_dev.key = rss_config + indir_bytes;
- if (rxfh.rss_context)
- ret = dev->ethtool_ops->get_rxfh_context(dev, indir, hkey,
- &dev_hfunc,
- rxfh.rss_context);
- else
- ret = dev->ethtool_ops->get_rxfh(dev, indir, hkey, &dev_hfunc);
- if (ret)
- goto out;
+ mutex_lock(&dev->ethtool->rss_lock);
+ if (rxfh.rss_context) {
+ ctx = xa_load(&dev->ethtool->rss_ctx, rxfh.rss_context);
+ if (!ctx) {
+ ret = -ENOENT;
+ goto out;
+ }
+ if (rxfh_dev.indir)
+ memcpy(rxfh_dev.indir, ethtool_rxfh_context_indir(ctx),
+ indir_bytes);
+ if (!ops->rxfh_per_ctx_key) {
+ rxfh_dev.key_size = 0;
+ } else {
+ if (rxfh_dev.key)
+ memcpy(rxfh_dev.key,
+ ethtool_rxfh_context_key(ctx),
+ user_key_size);
+ rxfh_dev.hfunc = ctx->hfunc;
+ }
+ rxfh_dev.input_xfrm = ctx->input_xfrm;
+ ret = 0;
+ } else {
+ ret = dev->ethtool_ops->get_rxfh(dev, &rxfh_dev);
+ if (ret)
+ goto out;
+ }
if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh, hfunc),
- &dev_hfunc, sizeof(rxfh.hfunc))) {
+ &rxfh_dev.hfunc, sizeof(rxfh.hfunc))) {
+ ret = -EFAULT;
+ } else if (copy_to_user(useraddr +
+ offsetof(struct ethtool_rxfh, input_xfrm),
+ &rxfh_dev.input_xfrm,
+ sizeof(rxfh.input_xfrm))) {
+ ret = -EFAULT;
+ } else if (copy_to_user(useraddr +
+ offsetof(struct ethtool_rxfh, key_size),
+ &rxfh_dev.key_size,
+ sizeof(rxfh.key_size))) {
ret = -EFAULT;
} else if (copy_to_user(useraddr +
offsetof(struct ethtool_rxfh, rss_config[0]),
@@ -1237,6 +1515,7 @@ static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev,
ret = -EFAULT;
}
out:
+ mutex_unlock(&dev->ethtool->rss_lock);
kfree(rss_config);
return ret;
@@ -1245,18 +1524,21 @@ out:
static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev,
void __user *useraddr)
{
- int ret;
+ u32 rss_cfg_offset = offsetof(struct ethtool_rxfh, rss_config[0]);
const struct ethtool_ops *ops = dev->ethtool_ops;
- struct ethtool_rxnfc rx_rings;
- struct ethtool_rxfh rxfh;
u32 dev_indir_size = 0, dev_key_size = 0, i;
- u32 *indir = NULL, indir_bytes = 0;
- u8 *hkey = NULL;
+ u32 user_indir_len = 0, indir_bytes = 0;
+ struct ethtool_rxfh_param rxfh_dev = {};
+ struct ethtool_rxfh_context *ctx = NULL;
+ struct netlink_ext_ack *extack = NULL;
+ struct ethtool_rxfh rxfh;
+ bool create = false;
+ int num_rx_rings;
u8 *rss_config;
- u32 rss_cfg_offset = offsetof(struct ethtool_rxfh, rss_config[0]);
- bool delete = false;
+ int ntf = 0;
+ int ret;
- if (!ops->get_rxnfc || !ops->set_rxfh)
+ if (!ops->set_rxfh)
return -EOPNOTSUPP;
if (ops->get_rxfh_indir_size)
@@ -1268,34 +1550,55 @@ static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev,
return -EFAULT;
/* Check that reserved fields are 0 for now */
- if (rxfh.rsvd8[0] || rxfh.rsvd8[1] || rxfh.rsvd8[2] || rxfh.rsvd32)
+ if (rxfh.rsvd8[0] || rxfh.rsvd8[1] || rxfh.rsvd32)
return -EINVAL;
/* Most drivers don't handle rss_context, check it's 0 as well */
- if (rxfh.rss_context && !ops->set_rxfh_context)
+ if (rxfh.rss_context && !ops->create_rxfh_context)
+ return -EOPNOTSUPP;
+ /* Check input data transformation capabilities */
+ if (rxfh.input_xfrm && rxfh.input_xfrm != RXH_XFRM_SYM_XOR &&
+ rxfh.input_xfrm != RXH_XFRM_SYM_OR_XOR &&
+ rxfh.input_xfrm != RXH_XFRM_NO_CHANGE)
+ return -EINVAL;
+ if (rxfh.input_xfrm != RXH_XFRM_NO_CHANGE &&
+ rxfh.input_xfrm & ~ops->supported_input_xfrm)
return -EOPNOTSUPP;
+ create = rxfh.rss_context == ETH_RXFH_CONTEXT_ALLOC;
- /* If either indir, hash key or function is valid, proceed further.
- * Must request at least one change: indir size, hash key or function.
- */
if ((rxfh.indir_size &&
rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE &&
rxfh.indir_size != dev_indir_size) ||
- (rxfh.key_size && (rxfh.key_size != dev_key_size)) ||
+ (rxfh.key_size && rxfh.key_size != dev_key_size))
+ return -EINVAL;
+
+ /* Must request at least one change: indir size, hash key, function
+ * or input transformation.
+ * There's no need for any of it in case of context creation.
+ */
+ if (!create &&
(rxfh.indir_size == ETH_RXFH_INDIR_NO_CHANGE &&
- rxfh.key_size == 0 && rxfh.hfunc == ETH_RSS_HASH_NO_CHANGE))
+ rxfh.key_size == 0 && rxfh.hfunc == ETH_RSS_HASH_NO_CHANGE &&
+ rxfh.input_xfrm == RXH_XFRM_NO_CHANGE))
return -EINVAL;
- if (rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE)
- indir_bytes = dev_indir_size * sizeof(indir[0]);
+ indir_bytes = dev_indir_size * sizeof(rxfh_dev.indir[0]);
+
+ /* Check settings which may be global rather than per RSS-context */
+ if (rxfh.rss_context && !ops->rxfh_per_ctx_key)
+ if (rxfh.key_size ||
+ (rxfh.hfunc && rxfh.hfunc != ETH_RSS_HASH_NO_CHANGE) ||
+ (rxfh.input_xfrm && rxfh.input_xfrm != RXH_XFRM_NO_CHANGE))
+ return -EOPNOTSUPP;
- rss_config = kzalloc(indir_bytes + rxfh.key_size, GFP_USER);
+ rss_config = kzalloc(indir_bytes + dev_key_size, GFP_USER);
if (!rss_config)
return -ENOMEM;
- rx_rings.cmd = ETHTOOL_GRXRINGS;
- ret = ops->get_rxnfc(dev, &rx_rings, NULL);
- if (ret)
- goto out;
+ num_rx_rings = ethtool_get_rx_ring_count(dev);
+ if (num_rx_rings < 0) {
+ ret = num_rx_rings;
+ goto out_free;
+ }
/* rxfh.indir_size == 0 means reset the indir table to default (master
* context) or delete the context (other RSS contexts).
@@ -1303,55 +1606,154 @@ static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev,
*/
if (rxfh.indir_size &&
rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE) {
- indir = (u32 *)rss_config;
- ret = ethtool_copy_validate_indir(indir,
+ user_indir_len = indir_bytes;
+ rxfh_dev.indir = (u32 *)rss_config;
+ rxfh_dev.indir_size = dev_indir_size;
+ ret = ethtool_copy_validate_indir(rxfh_dev.indir,
useraddr + rss_cfg_offset,
- &rx_rings,
+ num_rx_rings,
rxfh.indir_size);
if (ret)
- goto out;
+ goto out_free;
} else if (rxfh.indir_size == 0) {
if (rxfh.rss_context == 0) {
- indir = (u32 *)rss_config;
+ u32 *indir;
+
+ rxfh_dev.indir = (u32 *)rss_config;
+ rxfh_dev.indir_size = dev_indir_size;
+ indir = rxfh_dev.indir;
for (i = 0; i < dev_indir_size; i++)
- indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data);
+ indir[i] =
+ ethtool_rxfh_indir_default(i, num_rx_rings);
} else {
- delete = true;
+ rxfh_dev.rss_delete = true;
}
}
if (rxfh.key_size) {
- hkey = rss_config + indir_bytes;
- if (copy_from_user(hkey,
- useraddr + rss_cfg_offset + indir_bytes,
+ rxfh_dev.key_size = dev_key_size;
+ rxfh_dev.key = rss_config + indir_bytes;
+ if (copy_from_user(rxfh_dev.key,
+ useraddr + rss_cfg_offset + user_indir_len,
rxfh.key_size)) {
ret = -EFAULT;
- goto out;
+ goto out_free;
}
}
- if (rxfh.rss_context)
- ret = ops->set_rxfh_context(dev, indir, hkey, rxfh.hfunc,
- &rxfh.rss_context, delete);
- else
- ret = ops->set_rxfh(dev, indir, hkey, rxfh.hfunc);
+ mutex_lock(&dev->ethtool->rss_lock);
+
+ ret = ethtool_check_flow_types(dev, rxfh.input_xfrm);
if (ret)
- goto out;
+ goto out_unlock;
+
+ if (rxfh.rss_context && rxfh_dev.rss_delete) {
+ ret = ethtool_check_rss_ctx_busy(dev, rxfh.rss_context);
+ if (ret)
+ goto out_unlock;
+ }
+
+ if (create) {
+ u32 limit, ctx_id;
+
+ if (rxfh_dev.rss_delete) {
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+ ctx = ethtool_rxfh_ctx_alloc(ops, dev_indir_size, dev_key_size);
+ if (!ctx) {
+ ret = -ENOMEM;
+ goto out_unlock;
+ }
+
+ limit = ops->rxfh_max_num_contexts ?: U32_MAX;
+ ret = xa_alloc(&dev->ethtool->rss_ctx, &ctx_id, ctx,
+ XA_LIMIT(1, limit - 1), GFP_KERNEL_ACCOUNT);
+ if (ret < 0) {
+ kfree(ctx);
+ goto out_unlock;
+ }
+ WARN_ON(!ctx_id); /* can't happen */
+ rxfh.rss_context = ctx_id;
+ } else if (rxfh.rss_context) {
+ ctx = xa_load(&dev->ethtool->rss_ctx, rxfh.rss_context);
+ if (!ctx) {
+ ret = -ENOENT;
+ goto out_unlock;
+ }
+ }
+ rxfh_dev.hfunc = rxfh.hfunc;
+ rxfh_dev.rss_context = rxfh.rss_context;
+ rxfh_dev.input_xfrm = rxfh.input_xfrm;
+
+ if (!rxfh.rss_context) {
+ ntf = ETHTOOL_MSG_RSS_NTF;
+ ret = ops->set_rxfh(dev, &rxfh_dev, extack);
+ } else if (create) {
+ ntf = ETHTOOL_MSG_RSS_CREATE_NTF;
+ ret = ops->create_rxfh_context(dev, ctx, &rxfh_dev, extack);
+ /* Make sure driver populates defaults */
+ WARN_ON_ONCE(!ret && !rxfh_dev.key && ops->rxfh_per_ctx_key &&
+ !memchr_inv(ethtool_rxfh_context_key(ctx), 0,
+ ctx->key_size));
+ } else if (rxfh_dev.rss_delete) {
+ ntf = ETHTOOL_MSG_RSS_DELETE_NTF;
+ ret = ops->remove_rxfh_context(dev, ctx, rxfh.rss_context,
+ extack);
+ } else {
+ ntf = ETHTOOL_MSG_RSS_NTF;
+ ret = ops->modify_rxfh_context(dev, ctx, &rxfh_dev, extack);
+ }
+ if (ret) {
+ ntf = 0;
+ if (create) {
+ /* failed to create, free our new tracking entry */
+ xa_erase(&dev->ethtool->rss_ctx, rxfh.rss_context);
+ kfree(ctx);
+ }
+ goto out_unlock;
+ }
if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh, rss_context),
- &rxfh.rss_context, sizeof(rxfh.rss_context)))
+ &rxfh_dev.rss_context, sizeof(rxfh_dev.rss_context)))
ret = -EFAULT;
- if (!rxfh.rss_context) {
+ if (!rxfh_dev.rss_context) {
/* indicate whether rxfh was set to default */
if (rxfh.indir_size == 0)
dev->priv_flags &= ~IFF_RXFH_CONFIGURED;
else if (rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE)
dev->priv_flags |= IFF_RXFH_CONFIGURED;
}
+ /* Update rss_ctx tracking */
+ if (rxfh_dev.rss_delete) {
+ WARN_ON(xa_erase(&dev->ethtool->rss_ctx, rxfh.rss_context) != ctx);
+ kfree(ctx);
+ } else if (ctx) {
+ if (rxfh_dev.indir) {
+ for (i = 0; i < dev_indir_size; i++)
+ ethtool_rxfh_context_indir(ctx)[i] = rxfh_dev.indir[i];
+ ctx->indir_configured =
+ rxfh.indir_size &&
+ rxfh.indir_size != ETH_RXFH_INDIR_NO_CHANGE;
+ }
+ if (rxfh_dev.key) {
+ memcpy(ethtool_rxfh_context_key(ctx), rxfh_dev.key,
+ dev_key_size);
+ ctx->key_configured = !!rxfh.key_size;
+ }
+ if (rxfh_dev.hfunc != ETH_RSS_HASH_NO_CHANGE)
+ ctx->hfunc = rxfh_dev.hfunc;
+ if (rxfh_dev.input_xfrm != RXH_XFRM_NO_CHANGE)
+ ctx->input_xfrm = rxfh_dev.input_xfrm;
+ }
-out:
+out_unlock:
+ mutex_unlock(&dev->ethtool->rss_lock);
+out_free:
kfree(rss_config);
+ if (ntf)
+ ethtool_rss_notify(dev, ntf, rxfh.rss_context);
return ret;
}
@@ -1405,6 +1807,9 @@ static int ethtool_reset(struct net_device *dev, char __user *useraddr)
if (!dev->ethtool_ops->reset)
return -EOPNOTSUPP;
+ if (dev->ethtool->module_fw_flash_in_progress)
+ return -EBUSY;
+
if (copy_from_user(&reset, useraddr, sizeof(reset)))
return -EFAULT;
@@ -1435,41 +1840,87 @@ static int ethtool_get_wol(struct net_device *dev, char __user *useraddr)
static int ethtool_set_wol(struct net_device *dev, char __user *useraddr)
{
- struct ethtool_wolinfo wol;
+ struct ethtool_wolinfo wol, cur_wol;
int ret;
- if (!dev->ethtool_ops->set_wol)
+ if (!dev->ethtool_ops->get_wol || !dev->ethtool_ops->set_wol)
return -EOPNOTSUPP;
+ memset(&cur_wol, 0, sizeof(struct ethtool_wolinfo));
+ cur_wol.cmd = ETHTOOL_GWOL;
+ dev->ethtool_ops->get_wol(dev, &cur_wol);
+
if (copy_from_user(&wol, useraddr, sizeof(wol)))
return -EFAULT;
+ if (wol.wolopts & ~cur_wol.supported)
+ return -EINVAL;
+
+ if (wol.wolopts == cur_wol.wolopts &&
+ !memcmp(wol.sopass, cur_wol.sopass, sizeof(wol.sopass)))
+ return 0;
+
ret = dev->ethtool_ops->set_wol(dev, &wol);
if (ret)
return ret;
- dev->wol_enabled = !!wol.wolopts;
- ethtool_notify(dev, ETHTOOL_MSG_WOL_NTF, NULL);
+ dev->ethtool->wol_enabled = !!wol.wolopts;
+ ethtool_notify(dev, ETHTOOL_MSG_WOL_NTF);
return 0;
}
+static void eee_to_keee(struct ethtool_keee *keee,
+ const struct ethtool_eee *eee)
+{
+ memset(keee, 0, sizeof(*keee));
+
+ keee->eee_enabled = eee->eee_enabled;
+ keee->tx_lpi_enabled = eee->tx_lpi_enabled;
+ keee->tx_lpi_timer = eee->tx_lpi_timer;
+
+ ethtool_convert_legacy_u32_to_link_mode(keee->advertised,
+ eee->advertised);
+}
+
+static void keee_to_eee(struct ethtool_eee *eee,
+ const struct ethtool_keee *keee)
+{
+ bool overflow;
+
+ memset(eee, 0, sizeof(*eee));
+
+ eee->eee_active = keee->eee_active;
+ eee->eee_enabled = keee->eee_enabled;
+ eee->tx_lpi_enabled = keee->tx_lpi_enabled;
+ eee->tx_lpi_timer = keee->tx_lpi_timer;
+
+ overflow = !ethtool_convert_link_mode_to_legacy_u32(&eee->supported,
+ keee->supported);
+ ethtool_convert_link_mode_to_legacy_u32(&eee->advertised,
+ keee->advertised);
+ ethtool_convert_link_mode_to_legacy_u32(&eee->lp_advertised,
+ keee->lp_advertised);
+ if (overflow)
+ pr_warn("Ethtool ioctl interface doesn't support passing EEE linkmodes beyond bit 32\n");
+}
+
static int ethtool_get_eee(struct net_device *dev, char __user *useraddr)
{
- struct ethtool_eee edata;
+ struct ethtool_keee keee;
+ struct ethtool_eee eee;
int rc;
if (!dev->ethtool_ops->get_eee)
return -EOPNOTSUPP;
- memset(&edata, 0, sizeof(struct ethtool_eee));
- edata.cmd = ETHTOOL_GEEE;
- rc = dev->ethtool_ops->get_eee(dev, &edata);
-
+ memset(&keee, 0, sizeof(keee));
+ rc = dev->ethtool_ops->get_eee(dev, &keee);
if (rc)
return rc;
- if (copy_to_user(useraddr, &edata, sizeof(edata)))
+ keee_to_eee(&eee, &keee);
+ if (copy_to_user(useraddr, &eee, sizeof(eee)))
return -EFAULT;
return 0;
@@ -1477,18 +1928,20 @@ static int ethtool_get_eee(struct net_device *dev, char __user *useraddr)
static int ethtool_set_eee(struct net_device *dev, char __user *useraddr)
{
- struct ethtool_eee edata;
+ struct ethtool_keee keee;
+ struct ethtool_eee eee;
int ret;
if (!dev->ethtool_ops->set_eee)
return -EOPNOTSUPP;
- if (copy_from_user(&edata, useraddr, sizeof(edata)))
+ if (copy_from_user(&eee, useraddr, sizeof(eee)))
return -EFAULT;
- ret = dev->ethtool_ops->set_eee(dev, &edata);
+ eee_to_keee(&keee, &eee);
+ ret = dev->ethtool_ops->set_eee(dev, &keee);
if (!ret)
- ethtool_notify(dev, ETHTOOL_MSG_EEE_NTF, NULL);
+ ethtool_notify(dev, ETHTOOL_MSG_EEE_NTF);
return ret;
}
@@ -1728,7 +2181,7 @@ static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev,
ret = dev->ethtool_ops->set_coalesce(dev, &coalesce, &kernel_coalesce,
NULL);
if (!ret)
- ethtool_notify(dev, ETHTOOL_MSG_COALESCE_NTF, NULL);
+ ethtool_notify(dev, ETHTOOL_MSG_COALESCE_NTF);
return ret;
}
@@ -1750,8 +2203,8 @@ static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr)
static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
{
- struct ethtool_ringparam ringparam, max = { .cmd = ETHTOOL_GRINGPARAM };
struct kernel_ethtool_ringparam kernel_ringparam;
+ struct ethtool_ringparam ringparam, max;
int ret;
if (!dev->ethtool_ops->set_ringparam || !dev->ethtool_ops->get_ringparam)
@@ -1760,7 +2213,7 @@ static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
if (copy_from_user(&ringparam, useraddr, sizeof(ringparam)))
return -EFAULT;
- dev->ethtool_ops->get_ringparam(dev, &max, &kernel_ringparam, NULL);
+ ethtool_ringparam_get_cfg(dev, &max, &kernel_ringparam, NULL);
/* ensure new ring parameters are within the maximums */
if (ringparam.rx_pending > max.rx_max_pending ||
@@ -1772,7 +2225,7 @@ static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
ret = dev->ethtool_ops->set_ringparam(dev, &ringparam,
&kernel_ringparam, NULL);
if (!ret)
- ethtool_notify(dev, ETHTOOL_MSG_RINGS_NTF, NULL);
+ ethtool_notify(dev, ETHTOOL_MSG_RINGS_NTF);
return ret;
}
@@ -1796,8 +2249,6 @@ static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
{
struct ethtool_channels channels, curr = { .cmd = ETHTOOL_GCHANNELS };
u16 from_channel, to_channel;
- u64 max_rxnfc_in_use;
- u32 max_rxfh_in_use;
unsigned int i;
int ret;
@@ -1827,16 +2278,9 @@ static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
(!channels.rx_count || !channels.tx_count))
return -EINVAL;
- /* ensure the new Rx count fits within the configured Rx flow
- * 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;
- if (channels.combined_count + channels.rx_count <=
- max_t(u64, max_rxnfc_in_use, max_rxfh_in_use))
- return -EINVAL;
+ ret = ethtool_check_max_channel(dev, channels, NULL);
+ if (ret)
+ return ret;
/* Disabling channels, query zero-copy AF_XDP sockets */
from_channel = channels.combined_count +
@@ -1848,7 +2292,7 @@ static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
ret = dev->ethtool_ops->set_channels(dev, &channels);
if (!ret)
- ethtool_notify(dev, ETHTOOL_MSG_CHANNELS_NTF, NULL);
+ ethtool_notify(dev, ETHTOOL_MSG_CHANNELS_NTF);
return ret;
}
@@ -1879,7 +2323,7 @@ static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr)
ret = dev->ethtool_ops->set_pauseparam(dev, &pauseparam);
if (!ret)
- ethtool_notify(dev, ETHTOOL_MSG_PAUSE_NTF, NULL);
+ ethtool_notify(dev, ETHTOOL_MSG_PAUSE_NTF);
return ret;
}
@@ -1978,6 +2422,13 @@ __printf(2, 3) void ethtool_sprintf(u8 **data, const char *fmt, ...)
}
EXPORT_SYMBOL(ethtool_sprintf);
+void ethtool_puts(u8 **data, const char *str)
+{
+ strscpy(*data, str, ETH_GSTRING_LEN);
+ *data += ETH_GSTRING_LEN;
+}
+EXPORT_SYMBOL(ethtool_puts);
+
static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
{
struct ethtool_value id;
@@ -2004,6 +2455,7 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
*/
busy = true;
netdev_hold(dev, &dev_tracker, GFP_KERNEL);
+ netdev_unlock_ops(dev);
rtnl_unlock();
if (rc == 0) {
@@ -2018,8 +2470,10 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
do {
rtnl_lock();
+ netdev_lock_ops(dev);
rc = ops->set_phys_id(dev,
(i++ & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON);
+ netdev_unlock_ops(dev);
rtnl_unlock();
if (rc)
break;
@@ -2028,6 +2482,7 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
}
rtnl_lock();
+ netdev_lock_ops(dev);
netdev_put(dev, &dev_tracker);
busy = false;
@@ -2121,7 +2576,7 @@ static int ethtool_get_phy_stats_ethtool(struct net_device *dev,
const struct ethtool_ops *ops = dev->ethtool_ops;
int n_stats, ret;
- if (!ops || !ops->get_sset_count || ops->get_ethtool_phy_stats)
+ if (!ops || !ops->get_sset_count || !ops->get_ethtool_phy_stats)
return -EOPNOTSUPP;
n_stats = ops->get_sset_count(dev, ETH_SS_PHY_STATS);
@@ -2344,13 +2799,20 @@ out:
static int ethtool_get_ts_info(struct net_device *dev, void __user *useraddr)
{
- struct ethtool_ts_info info;
+ struct kernel_ethtool_ts_info kernel_info;
+ struct ethtool_ts_info info = {};
int err;
- err = __ethtool_get_ts_info(dev, &info);
+ err = __ethtool_get_ts_info(dev, &kernel_info);
if (err)
return err;
+ info.cmd = kernel_info.cmd;
+ info.so_timestamping = kernel_info.so_timestamping;
+ info.phc_index = kernel_info.phc_index;
+ info.tx_types = kernel_info.tx_types;
+ info.rx_filters = kernel_info.rx_filters;
+
if (copy_to_user(useraddr, &info, sizeof(info)))
return -EFAULT;
@@ -2363,6 +2825,9 @@ int ethtool_get_module_info_call(struct net_device *dev,
const struct ethtool_ops *ops = dev->ethtool_ops;
struct phy_device *phydev = dev->phydev;
+ if (dev->ethtool->module_fw_flash_in_progress)
+ return -EBUSY;
+
if (dev->sfp_bus)
return sfp_get_module_info(dev->sfp_bus, modinfo);
@@ -2400,6 +2865,9 @@ int ethtool_get_module_eeprom_call(struct net_device *dev,
const struct ethtool_ops *ops = dev->ethtool_ops;
struct phy_device *phydev = dev->phydev;
+ if (dev->ethtool->module_fw_flash_in_progress)
+ return -EBUSY;
+
if (dev->sfp_bus)
return sfp_get_module_eeprom(dev->sfp_bus, ee, data);
@@ -2814,6 +3282,7 @@ __dev_ethtool(struct net *net, struct ifreq *ifr, void __user *useraddr,
return -EPERM;
}
+ netdev_lock_ops(dev);
if (dev->dev.parent)
pm_runtime_get_sync(dev->dev.parent);
@@ -2856,7 +3325,7 @@ __dev_ethtool(struct net *net, struct ifreq *ifr, void __user *useraddr,
rc = ethtool_set_value_void(dev, useraddr,
dev->ethtool_ops->set_msglevel);
if (!rc)
- ethtool_notify(dev, ETHTOOL_MSG_DEBUG_NTF, NULL);
+ ethtool_notify(dev, ETHTOOL_MSG_DEBUG_NTF);
break;
case ETHTOOL_GEEE:
rc = ethtool_get_eee(dev, useraddr);
@@ -2920,20 +3389,26 @@ __dev_ethtool(struct net *net, struct ifreq *ifr, void __user *useraddr,
rc = ethtool_get_value(dev, useraddr, ethcmd,
dev->ethtool_ops->get_priv_flags);
if (!rc)
- ethtool_notify(dev, ETHTOOL_MSG_PRIVFLAGS_NTF, NULL);
+ ethtool_notify(dev, ETHTOOL_MSG_PRIVFLAGS_NTF);
break;
case ETHTOOL_SPFLAGS:
rc = ethtool_set_value(dev, useraddr,
dev->ethtool_ops->set_priv_flags);
break;
case ETHTOOL_GRXFH:
+ rc = ethtool_get_rxfh_fields(dev, ethcmd, useraddr);
+ break;
+ case ETHTOOL_SRXFH:
+ rc = ethtool_set_rxfh_fields(dev, ethcmd, useraddr);
+ break;
case ETHTOOL_GRXRINGS:
+ rc = ethtool_get_rxrings(dev, ethcmd, useraddr);
+ break;
case ETHTOOL_GRXCLSRLCNT:
case ETHTOOL_GRXCLSRULE:
case ETHTOOL_GRXCLSRLALL:
rc = ethtool_get_rxnfc(dev, ethcmd, useraddr);
break;
- case ETHTOOL_SRXFH:
case ETHTOOL_SRXCLSRLDEL:
case ETHTOOL_SRXCLSRLINS:
rc = ethtool_set_rxnfc(dev, ethcmd, useraddr);
@@ -3047,6 +3522,7 @@ __dev_ethtool(struct net *net, struct ifreq *ifr, void __user *useraddr,
out:
if (dev->dev.parent)
pm_runtime_put(dev->dev.parent);
+ netdev_unlock_ops(dev);
return rc;
}
@@ -3127,7 +3603,6 @@ struct ethtool_rx_flow_rule *
ethtool_rx_flow_rule_create(const struct ethtool_rx_flow_spec_input *input)
{
const struct ethtool_rx_flow_spec *fs = input->fs;
- static struct in6_addr zero_addr = {};
struct ethtool_rx_flow_match *match;
struct ethtool_rx_flow_rule *flow;
struct flow_action_entry *act;
@@ -3196,7 +3671,7 @@ ethtool_rx_flow_rule_create(const struct ethtool_rx_flow_spec_input *input)
if (v4_m_spec->ip4src ||
v4_m_spec->ip4dst) {
match->dissector.used_keys |=
- BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS);
+ BIT_ULL(FLOW_DISSECTOR_KEY_IPV4_ADDRS);
match->dissector.offset[FLOW_DISSECTOR_KEY_IPV4_ADDRS] =
offsetof(struct ethtool_rx_flow_key, ipv4);
}
@@ -3211,7 +3686,7 @@ ethtool_rx_flow_rule_create(const struct ethtool_rx_flow_spec_input *input)
if (v4_m_spec->psrc ||
v4_m_spec->pdst) {
match->dissector.used_keys |=
- BIT(FLOW_DISSECTOR_KEY_PORTS);
+ BIT_ULL(FLOW_DISSECTOR_KEY_PORTS);
match->dissector.offset[FLOW_DISSECTOR_KEY_PORTS] =
offsetof(struct ethtool_rx_flow_key, tp);
}
@@ -3233,22 +3708,22 @@ ethtool_rx_flow_rule_create(const struct ethtool_rx_flow_spec_input *input)
v6_spec = &fs->h_u.tcp_ip6_spec;
v6_m_spec = &fs->m_u.tcp_ip6_spec;
- if (memcmp(v6_m_spec->ip6src, &zero_addr, sizeof(zero_addr))) {
+ if (!ipv6_addr_any((struct in6_addr *)v6_m_spec->ip6src)) {
memcpy(&match->key.ipv6.src, v6_spec->ip6src,
sizeof(match->key.ipv6.src));
memcpy(&match->mask.ipv6.src, v6_m_spec->ip6src,
sizeof(match->mask.ipv6.src));
}
- if (memcmp(v6_m_spec->ip6dst, &zero_addr, sizeof(zero_addr))) {
+ if (!ipv6_addr_any((struct in6_addr *)v6_m_spec->ip6dst)) {
memcpy(&match->key.ipv6.dst, v6_spec->ip6dst,
sizeof(match->key.ipv6.dst));
memcpy(&match->mask.ipv6.dst, v6_m_spec->ip6dst,
sizeof(match->mask.ipv6.dst));
}
- if (memcmp(v6_m_spec->ip6src, &zero_addr, sizeof(zero_addr)) ||
- memcmp(v6_m_spec->ip6dst, &zero_addr, sizeof(zero_addr))) {
+ if (!ipv6_addr_any((struct in6_addr *)v6_m_spec->ip6src) ||
+ !ipv6_addr_any((struct in6_addr *)v6_m_spec->ip6dst)) {
match->dissector.used_keys |=
- BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS);
+ BIT_ULL(FLOW_DISSECTOR_KEY_IPV6_ADDRS);
match->dissector.offset[FLOW_DISSECTOR_KEY_IPV6_ADDRS] =
offsetof(struct ethtool_rx_flow_key, ipv6);
}
@@ -3263,7 +3738,7 @@ ethtool_rx_flow_rule_create(const struct ethtool_rx_flow_spec_input *input)
if (v6_m_spec->psrc ||
v6_m_spec->pdst) {
match->dissector.used_keys |=
- BIT(FLOW_DISSECTOR_KEY_PORTS);
+ BIT_ULL(FLOW_DISSECTOR_KEY_PORTS);
match->dissector.offset[FLOW_DISSECTOR_KEY_PORTS] =
offsetof(struct ethtool_rx_flow_key, tp);
}
@@ -3271,7 +3746,7 @@ ethtool_rx_flow_rule_create(const struct ethtool_rx_flow_spec_input *input)
match->key.ip.tos = v6_spec->tclass;
match->mask.ip.tos = v6_m_spec->tclass;
match->dissector.used_keys |=
- BIT(FLOW_DISSECTOR_KEY_IP);
+ BIT_ULL(FLOW_DISSECTOR_KEY_IP);
match->dissector.offset[FLOW_DISSECTOR_KEY_IP] =
offsetof(struct ethtool_rx_flow_key, ip);
}
@@ -3295,7 +3770,7 @@ ethtool_rx_flow_rule_create(const struct ethtool_rx_flow_spec_input *input)
break;
}
- match->dissector.used_keys |= BIT(FLOW_DISSECTOR_KEY_BASIC);
+ match->dissector.used_keys |= BIT_ULL(FLOW_DISSECTOR_KEY_BASIC);
match->dissector.offset[FLOW_DISSECTOR_KEY_BASIC] =
offsetof(struct ethtool_rx_flow_key, basic);
@@ -3328,7 +3803,7 @@ ethtool_rx_flow_rule_create(const struct ethtool_rx_flow_spec_input *input)
if (ext_m_spec->vlan_etype ||
ext_m_spec->vlan_tci) {
match->dissector.used_keys |=
- BIT(FLOW_DISSECTOR_KEY_VLAN);
+ BIT_ULL(FLOW_DISSECTOR_KEY_VLAN);
match->dissector.offset[FLOW_DISSECTOR_KEY_VLAN] =
offsetof(struct ethtool_rx_flow_key, vlan);
}
@@ -3343,7 +3818,7 @@ ethtool_rx_flow_rule_create(const struct ethtool_rx_flow_spec_input *input)
ETH_ALEN);
match->dissector.used_keys |=
- BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS);
+ BIT_ULL(FLOW_DISSECTOR_KEY_ETH_ADDRS);
match->dissector.offset[FLOW_DISSECTOR_KEY_ETH_ADDRS] =
offsetof(struct ethtool_rx_flow_key, eth_addrs);
}