summaryrefslogtreecommitdiff
path: root/net/ethtool
diff options
context:
space:
mode:
Diffstat (limited to 'net/ethtool')
-rw-r--r--net/ethtool/Makefile3
-rw-r--r--net/ethtool/cabletest.c57
-rw-r--r--net/ethtool/channels.c20
-rw-r--r--net/ethtool/cmis.h1
-rw-r--r--net/ethtool/cmis_cdb.c14
-rw-r--r--net/ethtool/common.c61
-rw-r--r--net/ethtool/common.h7
-rw-r--r--net/ethtool/ioctl.c44
-rw-r--r--net/ethtool/linkinfo.c2
-rw-r--r--net/ethtool/linkmodes.c2
-rw-r--r--net/ethtool/netlink.c68
-rw-r--r--net/ethtool/netlink.h37
-rw-r--r--net/ethtool/phy.c306
-rw-r--r--net/ethtool/plca.c30
-rw-r--r--net/ethtool/pse-pd.c38
-rw-r--r--net/ethtool/rss.c233
-rw-r--r--net/ethtool/strset.c27
17 files changed, 823 insertions, 127 deletions
diff --git a/net/ethtool/Makefile b/net/ethtool/Makefile
index 9a190635fe95..9b540644ba31 100644
--- a/net/ethtool/Makefile
+++ b/net/ethtool/Makefile
@@ -8,4 +8,5 @@ ethtool_nl-y := netlink.o bitset.o strset.o linkinfo.o linkmodes.o rss.o \
linkstate.o debug.o wol.o features.o privflags.o rings.o \
channels.o coalesce.o pause.o eee.o tsinfo.o cabletest.o \
tunnels.o fec.o eeprom.o stats.o phc_vclocks.o mm.o \
- module.o cmis_fw_update.o cmis_cdb.o pse-pd.o plca.o mm.o
+ module.o cmis_fw_update.o cmis_cdb.o pse-pd.o plca.o mm.o \
+ phy.o
diff --git a/net/ethtool/cabletest.c b/net/ethtool/cabletest.c
index f6f136ec7ddf..f22051f33868 100644
--- a/net/ethtool/cabletest.c
+++ b/net/ethtool/cabletest.c
@@ -13,7 +13,7 @@
const struct nla_policy ethnl_cable_test_act_policy[] = {
[ETHTOOL_A_CABLE_TEST_HEADER] =
- NLA_POLICY_NESTED(ethnl_header_policy),
+ NLA_POLICY_NESTED(ethnl_header_policy_phy),
};
static int ethnl_cable_test_started(struct phy_device *phydev, u8 cmd)
@@ -58,6 +58,7 @@ int ethnl_act_cable_test(struct sk_buff *skb, struct genl_info *info)
struct ethnl_req_info req_info = {};
const struct ethtool_phy_ops *ops;
struct nlattr **tb = info->attrs;
+ struct phy_device *phydev;
struct net_device *dev;
int ret;
@@ -69,12 +70,16 @@ int ethnl_act_cable_test(struct sk_buff *skb, struct genl_info *info)
return ret;
dev = req_info.dev;
- if (!dev->phydev) {
+
+ rtnl_lock();
+ phydev = ethnl_req_get_phydev(&req_info,
+ tb[ETHTOOL_A_CABLE_TEST_HEADER],
+ info->extack);
+ if (IS_ERR_OR_NULL(phydev)) {
ret = -EOPNOTSUPP;
- goto out_dev_put;
+ goto out_rtnl;
}
- rtnl_lock();
ops = ethtool_phy_ops;
if (!ops || !ops->start_cable_test) {
ret = -EOPNOTSUPP;
@@ -85,17 +90,15 @@ int ethnl_act_cable_test(struct sk_buff *skb, struct genl_info *info)
if (ret < 0)
goto out_rtnl;
- ret = ops->start_cable_test(dev->phydev, info->extack);
+ ret = ops->start_cable_test(phydev, info->extack);
ethnl_ops_complete(dev);
if (!ret)
- ethnl_cable_test_started(dev->phydev,
- ETHTOOL_MSG_CABLE_TEST_NTF);
+ ethnl_cable_test_started(phydev, ETHTOOL_MSG_CABLE_TEST_NTF);
out_rtnl:
rtnl_unlock();
-out_dev_put:
ethnl_parse_header_dev_put(&req_info);
return ret;
}
@@ -160,7 +163,8 @@ void ethnl_cable_test_finished(struct phy_device *phydev)
}
EXPORT_SYMBOL_GPL(ethnl_cable_test_finished);
-int ethnl_cable_test_result(struct phy_device *phydev, u8 pair, u8 result)
+int ethnl_cable_test_result_with_src(struct phy_device *phydev, u8 pair,
+ u8 result, u32 src)
{
struct nlattr *nest;
int ret = -EMSGSIZE;
@@ -173,6 +177,10 @@ int ethnl_cable_test_result(struct phy_device *phydev, u8 pair, u8 result)
goto err;
if (nla_put_u8(phydev->skb, ETHTOOL_A_CABLE_RESULT_CODE, result))
goto err;
+ if (src != ETHTOOL_A_CABLE_INF_SRC_UNSPEC) {
+ if (nla_put_u32(phydev->skb, ETHTOOL_A_CABLE_RESULT_SRC, src))
+ goto err;
+ }
nla_nest_end(phydev->skb, nest);
return 0;
@@ -181,9 +189,10 @@ err:
nla_nest_cancel(phydev->skb, nest);
return ret;
}
-EXPORT_SYMBOL_GPL(ethnl_cable_test_result);
+EXPORT_SYMBOL_GPL(ethnl_cable_test_result_with_src);
-int ethnl_cable_test_fault_length(struct phy_device *phydev, u8 pair, u32 cm)
+int ethnl_cable_test_fault_length_with_src(struct phy_device *phydev, u8 pair,
+ u32 cm, u32 src)
{
struct nlattr *nest;
int ret = -EMSGSIZE;
@@ -197,6 +206,11 @@ int ethnl_cable_test_fault_length(struct phy_device *phydev, u8 pair, u32 cm)
goto err;
if (nla_put_u32(phydev->skb, ETHTOOL_A_CABLE_FAULT_LENGTH_CM, cm))
goto err;
+ if (src != ETHTOOL_A_CABLE_INF_SRC_UNSPEC) {
+ if (nla_put_u32(phydev->skb, ETHTOOL_A_CABLE_FAULT_LENGTH_SRC,
+ src))
+ goto err;
+ }
nla_nest_end(phydev->skb, nest);
return 0;
@@ -205,7 +219,7 @@ err:
nla_nest_cancel(phydev->skb, nest);
return ret;
}
-EXPORT_SYMBOL_GPL(ethnl_cable_test_fault_length);
+EXPORT_SYMBOL_GPL(ethnl_cable_test_fault_length_with_src);
static const struct nla_policy cable_test_tdr_act_cfg_policy[] = {
[ETHTOOL_A_CABLE_TEST_TDR_CFG_FIRST] = { .type = NLA_U32 },
@@ -216,7 +230,7 @@ static const struct nla_policy cable_test_tdr_act_cfg_policy[] = {
const struct nla_policy ethnl_cable_test_tdr_act_policy[] = {
[ETHTOOL_A_CABLE_TEST_TDR_HEADER] =
- NLA_POLICY_NESTED(ethnl_header_policy),
+ NLA_POLICY_NESTED(ethnl_header_policy_phy),
[ETHTOOL_A_CABLE_TEST_TDR_CFG] = { .type = NLA_NESTED },
};
@@ -305,6 +319,7 @@ int ethnl_act_cable_test_tdr(struct sk_buff *skb, struct genl_info *info)
struct ethnl_req_info req_info = {};
const struct ethtool_phy_ops *ops;
struct nlattr **tb = info->attrs;
+ struct phy_device *phydev;
struct phy_tdr_config cfg;
struct net_device *dev;
int ret;
@@ -317,10 +332,6 @@ int ethnl_act_cable_test_tdr(struct sk_buff *skb, struct genl_info *info)
return ret;
dev = req_info.dev;
- if (!dev->phydev) {
- ret = -EOPNOTSUPP;
- goto out_dev_put;
- }
ret = ethnl_act_cable_test_tdr_cfg(tb[ETHTOOL_A_CABLE_TEST_TDR_CFG],
info, &cfg);
@@ -328,6 +339,14 @@ int ethnl_act_cable_test_tdr(struct sk_buff *skb, struct genl_info *info)
goto out_dev_put;
rtnl_lock();
+ phydev = ethnl_req_get_phydev(&req_info,
+ tb[ETHTOOL_A_CABLE_TEST_TDR_HEADER],
+ info->extack);
+ if (IS_ERR_OR_NULL(phydev)) {
+ ret = -EOPNOTSUPP;
+ goto out_rtnl;
+ }
+
ops = ethtool_phy_ops;
if (!ops || !ops->start_cable_test_tdr) {
ret = -EOPNOTSUPP;
@@ -338,12 +357,12 @@ int ethnl_act_cable_test_tdr(struct sk_buff *skb, struct genl_info *info)
if (ret < 0)
goto out_rtnl;
- ret = ops->start_cable_test_tdr(dev->phydev, info->extack, &cfg);
+ ret = ops->start_cable_test_tdr(phydev, info->extack, &cfg);
ethnl_ops_complete(dev);
if (!ret)
- ethnl_cable_test_started(dev->phydev,
+ ethnl_cable_test_started(phydev,
ETHTOOL_MSG_CABLE_TEST_TDR_NTF);
out_rtnl:
diff --git a/net/ethtool/channels.c b/net/ethtool/channels.c
index cee188da54f8..ca4f80282448 100644
--- a/net/ethtool/channels.c
+++ b/net/ethtool/channels.c
@@ -114,8 +114,7 @@ ethnl_set_channels(struct ethnl_req_info *req_info, struct genl_info *info)
struct net_device *dev = req_info->dev;
struct ethtool_channels channels = {};
struct nlattr **tb = info->attrs;
- u32 err_attr, max_rxfh_in_use;
- u64 max_rxnfc_in_use;
+ u32 err_attr;
int ret;
dev->ethtool_ops->get_channels(dev, &channels);
@@ -166,20 +165,9 @@ ethnl_set_channels(struct ethnl_req_info *req_info, struct genl_info *info)
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;
- 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_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) {
- GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing ntuple filter settings");
- return -EINVAL;
- }
+ ret = ethtool_check_max_channel(dev, channels, info);
+ if (ret)
+ return ret;
/* Disabling channels, query zero-copy AF_XDP sockets */
from_channel = channels.combined_count +
diff --git a/net/ethtool/cmis.h b/net/ethtool/cmis.h
index e71cc3e1b7eb..3e7c293af78c 100644
--- a/net/ethtool/cmis.h
+++ b/net/ethtool/cmis.h
@@ -108,7 +108,6 @@ void ethtool_cmis_cdb_check_completion_flag(u8 cmis_rev, u8 *flags);
void ethtool_cmis_page_init(struct ethtool_module_eeprom *page_data,
u8 page, u32 offset, u32 length);
-void ethtool_cmis_page_fini(struct ethtool_module_eeprom *page_data);
struct ethtool_cmis_cdb *
ethtool_cmis_cdb_init(struct net_device *dev,
diff --git a/net/ethtool/cmis_cdb.c b/net/ethtool/cmis_cdb.c
index 1bb08783b60d..4d5581147952 100644
--- a/net/ethtool/cmis_cdb.c
+++ b/net/ethtool/cmis_cdb.c
@@ -100,7 +100,8 @@ static u8 cmis_cdb_advert_rpl_inst_supported(struct cmis_cdb_advert_rpl *rpl)
}
static int cmis_cdb_advertisement_get(struct ethtool_cmis_cdb *cdb,
- struct net_device *dev)
+ struct net_device *dev,
+ struct ethnl_module_fw_flash_ntf_params *ntf_params)
{
const struct ethtool_ops *ops = dev->ethtool_ops;
struct ethtool_module_eeprom page_data = {};
@@ -119,8 +120,12 @@ static int cmis_cdb_advertisement_get(struct ethtool_cmis_cdb *cdb,
return err;
}
- if (!cmis_cdb_advert_rpl_inst_supported(&rpl))
+ if (!cmis_cdb_advert_rpl_inst_supported(&rpl)) {
+ ethnl_module_fw_flash_ntf_err(dev, ntf_params,
+ "CDB functionality is not supported",
+ NULL);
return -EOPNOTSUPP;
+ }
cdb->read_write_len_ext = rpl.read_write_len_ext;
@@ -282,7 +287,7 @@ ethtool_cmis_cdb_init(struct net_device *dev,
goto err;
}
- err = cmis_cdb_advertisement_get(cdb, dev);
+ err = cmis_cdb_advertisement_get(cdb, dev, ntf_params);
if (err < 0)
goto err;
@@ -444,6 +449,9 @@ static void cmis_cdb_status_fail_msg_get(u8 status, char **err_msg)
case 0b01000101:
*err_msg = "CDB status failed: CdbChkCode error";
break;
+ case 0b01000110:
+ *err_msg = "CDB status failed: Password error";
+ break;
default:
*err_msg = "Unknown failure reason";
}
diff --git a/net/ethtool/common.c b/net/ethtool/common.c
index 07032babd1b6..dd345efa114b 100644
--- a/net/ethtool/common.c
+++ b/net/ethtool/common.c
@@ -6,6 +6,7 @@
#include <linux/rtnetlink.h>
#include <linux/ptp_clock_kernel.h>
+#include "netlink.h"
#include "common.h"
const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
@@ -24,8 +25,6 @@ const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
[NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter",
[NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged",
[NETIF_F_GSO_BIT] = "tx-generic-segmentation",
- [NETIF_F_LLTX_BIT] = "tx-lockless",
- [NETIF_F_NETNS_LOCAL_BIT] = "netns-local",
[NETIF_F_GRO_BIT] = "rx-gro",
[NETIF_F_GRO_HW_BIT] = "rx-gro-hw",
[NETIF_F_LRO_BIT] = "rx-lro",
@@ -51,7 +50,6 @@ const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
[NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc",
[NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp",
- [NETIF_F_FCOE_MTU_BIT] = "fcoe-mtu",
[NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter",
[NETIF_F_RXHASH_BIT] = "rx-hashing",
[NETIF_F_RXCSUM_BIT] = "rx-checksum",
@@ -429,6 +427,7 @@ const char sof_timestamping_names[][ETH_GSTRING_LEN] = {
[const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw",
[const_ilog2(SOF_TIMESTAMPING_BIND_PHC)] = "bind-phc",
[const_ilog2(SOF_TIMESTAMPING_OPT_ID_TCP)] = "option-id-tcp",
+ [const_ilog2(SOF_TIMESTAMPING_OPT_RX_FILTER)] = "option-rx-filter",
};
static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT);
@@ -539,7 +538,7 @@ static int ethtool_get_rxnfc_rule_count(struct net_device *dev)
return info.rule_cnt;
}
-int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max)
+static int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max)
{
const struct ethtool_ops *ops = dev->ethtool_ops;
struct ethtool_rxnfc *info;
@@ -609,7 +608,7 @@ static u32 ethtool_get_max_rss_ctx_channel(struct net_device *dev)
return max_ring;
}
-u32 ethtool_get_max_rxfh_channel(struct net_device *dev)
+static u32 ethtool_get_max_rxfh_channel(struct net_device *dev)
{
struct ethtool_rxfh_param rxfh = {};
u32 dev_size, current_max;
@@ -650,10 +649,47 @@ out_free:
return current_max;
}
+int ethtool_check_max_channel(struct net_device *dev,
+ struct ethtool_channels channels,
+ struct genl_info *info)
+{
+ u64 max_rxnfc_in_use;
+ u32 max_rxfh_in_use;
+ int max_mp_in_use;
+
+ /* 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;
+ max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev);
+ if (channels.combined_count + channels.rx_count <= max_rxfh_in_use) {
+ if (info)
+ 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) {
+ if (info)
+ GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing ntuple filter settings");
+ return -EINVAL;
+ }
+
+ max_mp_in_use = dev_get_min_mp_channel_count(dev);
+ if (channels.combined_count + channels.rx_count <= max_mp_in_use) {
+ if (info)
+ GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
int ethtool_check_ops(const struct ethtool_ops *ops)
{
if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params))
return -EINVAL;
+ if (WARN_ON(ops->rxfh_max_num_contexts == 1))
+ return -EINVAL;
/* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime,
* the fact that ops are checked at registration time does not
* mean the ops attached to a netdev later on are sane.
@@ -665,20 +701,21 @@ int __ethtool_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info
{
const struct ethtool_ops *ops = dev->ethtool_ops;
struct phy_device *phydev = dev->phydev;
+ int err = 0;
memset(info, 0, sizeof(*info));
info->cmd = ETHTOOL_GET_TS_INFO;
+ info->phc_index = -1;
if (phy_is_default_hwtstamp(phydev) && phy_has_tsinfo(phydev))
- return phy_ts_info(phydev, info);
- if (ops->get_ts_info)
- return ops->get_ts_info(dev, info);
+ err = phy_ts_info(phydev, info);
+ else if (ops->get_ts_info)
+ err = ops->get_ts_info(dev, info);
- info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
- SOF_TIMESTAMPING_SOFTWARE;
- info->phc_index = -1;
+ info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE |
+ SOF_TIMESTAMPING_SOFTWARE;
- return 0;
+ return err;
}
int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index)
diff --git a/net/ethtool/common.h b/net/ethtool/common.h
index 863806fcf01a..d55d5201b085 100644
--- a/net/ethtool/common.h
+++ b/net/ethtool/common.h
@@ -20,6 +20,8 @@ struct link_mode_info {
u8 duplex;
};
+struct genl_info;
+
extern const char
netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN];
extern const char
@@ -42,8 +44,9 @@ 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);
-u32 ethtool_get_max_rxfh_channel(struct net_device *dev);
-int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max);
+int ethtool_check_max_channel(struct net_device *dev,
+ struct ethtool_channels channels,
+ struct genl_info *info);
int __ethtool_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info);
extern const struct ethtool_phy_ops *ethtool_phy_ops;
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index ae041f51cd2d..65cfe76dafbe 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -1230,7 +1230,8 @@ static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev,
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->cap_rss_ctx_supported)
+ if (rxfh.rss_context && !(ops->cap_rss_ctx_supported ||
+ ops->create_rxfh_context))
return -EOPNOTSUPP;
rxfh.indir_size = rxfh_dev.indir_size;
@@ -1263,10 +1264,15 @@ static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev,
if (rxfh_dev.indir)
memcpy(rxfh_dev.indir, ethtool_rxfh_context_indir(ctx),
indir_bytes);
- if (rxfh_dev.key)
- memcpy(rxfh_dev.key, ethtool_rxfh_context_key(ctx),
- user_key_size);
- rxfh_dev.hfunc = ctx->hfunc;
+ 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 {
@@ -1284,6 +1290,11 @@ static noinline_for_stack int ethtool_get_rxfh(struct net_device *dev,
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]),
rss_config, total_size)) {
ret = -EFAULT;
@@ -1360,7 +1371,8 @@ static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev,
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->cap_rss_ctx_supported)
+ if (rxfh.rss_context && !(ops->cap_rss_ctx_supported ||
+ ops->create_rxfh_context))
return -EOPNOTSUPP;
/* Check input data transformation capabilities */
if (rxfh.input_xfrm && rxfh.input_xfrm != RXH_XFRM_SYM_XOR &&
@@ -1390,6 +1402,13 @@ static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev,
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 + dev_key_size, GFP_USER);
if (!rss_config)
return -ENOMEM;
@@ -2072,8 +2091,6 @@ 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;
@@ -2103,14 +2120,9 @@ 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;
- 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;
+ 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 +
diff --git a/net/ethtool/linkinfo.c b/net/ethtool/linkinfo.c
index 5c317d23787b..30b8ce275159 100644
--- a/net/ethtool/linkinfo.c
+++ b/net/ethtool/linkinfo.c
@@ -35,7 +35,7 @@ static int linkinfo_prepare_data(const struct ethnl_req_info *req_base,
if (ret < 0)
return ret;
ret = __ethtool_get_link_ksettings(dev, &data->ksettings);
- if (ret < 0 && info)
+ if (ret < 0)
GENL_SET_ERR_MSG(info, "failed to retrieve link settings");
ethnl_ops_complete(dev);
diff --git a/net/ethtool/linkmodes.c b/net/ethtool/linkmodes.c
index b2591db49f7d..259cd9ef1f2a 100644
--- a/net/ethtool/linkmodes.c
+++ b/net/ethtool/linkmodes.c
@@ -40,7 +40,7 @@ static int linkmodes_prepare_data(const struct ethnl_req_info *req_base,
return ret;
ret = __ethtool_get_link_ksettings(dev, &data->ksettings);
- if (ret < 0 && info) {
+ if (ret < 0) {
GENL_SET_ERR_MSG(info, "failed to retrieve link settings");
goto out;
}
diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c
index cb1eea00e349..e3f0ef6b851b 100644
--- a/net/ethtool/netlink.c
+++ b/net/ethtool/netlink.c
@@ -2,6 +2,7 @@
#include <net/sock.h>
#include <linux/ethtool_netlink.h>
+#include <linux/phy_link_topology.h>
#include <linux/pm_runtime.h>
#include "netlink.h"
#include "module_fw.h"
@@ -31,6 +32,24 @@ const struct nla_policy ethnl_header_policy_stats[] = {
ETHTOOL_FLAGS_STATS),
};
+const struct nla_policy ethnl_header_policy_phy[] = {
+ [ETHTOOL_A_HEADER_DEV_INDEX] = { .type = NLA_U32 },
+ [ETHTOOL_A_HEADER_DEV_NAME] = { .type = NLA_NUL_STRING,
+ .len = ALTIFNAMSIZ - 1 },
+ [ETHTOOL_A_HEADER_FLAGS] = NLA_POLICY_MASK(NLA_U32,
+ ETHTOOL_FLAGS_BASIC),
+ [ETHTOOL_A_HEADER_PHY_INDEX] = NLA_POLICY_MIN(NLA_U32, 1),
+};
+
+const struct nla_policy ethnl_header_policy_phy_stats[] = {
+ [ETHTOOL_A_HEADER_DEV_INDEX] = { .type = NLA_U32 },
+ [ETHTOOL_A_HEADER_DEV_NAME] = { .type = NLA_NUL_STRING,
+ .len = ALTIFNAMSIZ - 1 },
+ [ETHTOOL_A_HEADER_FLAGS] = NLA_POLICY_MASK(NLA_U32,
+ ETHTOOL_FLAGS_STATS),
+ [ETHTOOL_A_HEADER_PHY_INDEX] = NLA_POLICY_MIN(NLA_U32, 1),
+};
+
int ethnl_sock_priv_set(struct sk_buff *skb, struct net_device *dev, u32 portid,
enum ethnl_sock_type type)
{
@@ -119,7 +138,7 @@ int ethnl_parse_header_dev_get(struct ethnl_req_info *req_info,
const struct nlattr *header, struct net *net,
struct netlink_ext_ack *extack, bool require_dev)
{
- struct nlattr *tb[ARRAY_SIZE(ethnl_header_policy)];
+ struct nlattr *tb[ARRAY_SIZE(ethnl_header_policy_phy)];
const struct nlattr *devname_attr;
struct net_device *dev = NULL;
u32 flags = 0;
@@ -134,7 +153,7 @@ int ethnl_parse_header_dev_get(struct ethnl_req_info *req_info,
/* No validation here, command policy should have a nested policy set
* for the header, therefore validation should have already been done.
*/
- ret = nla_parse_nested(tb, ARRAY_SIZE(ethnl_header_policy) - 1, header,
+ ret = nla_parse_nested(tb, ARRAY_SIZE(ethnl_header_policy_phy) - 1, header,
NULL, extack);
if (ret < 0)
return ret;
@@ -175,11 +194,45 @@ int ethnl_parse_header_dev_get(struct ethnl_req_info *req_info,
return -EINVAL;
}
+ if (tb[ETHTOOL_A_HEADER_PHY_INDEX]) {
+ if (dev) {
+ req_info->phy_index = nla_get_u32(tb[ETHTOOL_A_HEADER_PHY_INDEX]);
+ } else {
+ NL_SET_ERR_MSG_ATTR(extack, header,
+ "phy_index set without a netdev");
+ return -EINVAL;
+ }
+ }
+
req_info->dev = dev;
req_info->flags = flags;
return 0;
}
+struct phy_device *ethnl_req_get_phydev(const struct ethnl_req_info *req_info,
+ const struct nlattr *header,
+ struct netlink_ext_ack *extack)
+{
+ struct phy_device *phydev;
+
+ ASSERT_RTNL();
+
+ if (!req_info->dev)
+ return NULL;
+
+ if (!req_info->phy_index)
+ return req_info->dev->phydev;
+
+ phydev = phy_link_topo_get_phy(req_info->dev, req_info->phy_index);
+ if (!phydev) {
+ NL_SET_ERR_MSG_ATTR(extack, header,
+ "no phy matching phyindex");
+ return ERR_PTR(-ENODEV);
+ }
+
+ return phydev;
+}
+
/**
* ethnl_fill_reply_header() - Put common header into a reply message
* @skb: skb with the message
@@ -1128,6 +1181,8 @@ static const struct genl_ops ethtool_genl_ops[] = {
{
.cmd = ETHTOOL_MSG_RSS_GET,
.doit = ethnl_default_doit,
+ .start = ethnl_rss_dump_start,
+ .dumpit = ethnl_rss_dumpit,
.policy = ethnl_rss_get_policy,
.maxattr = ARRAY_SIZE(ethnl_rss_get_policy) - 1,
},
@@ -1179,6 +1234,15 @@ static const struct genl_ops ethtool_genl_ops[] = {
.policy = ethnl_module_fw_flash_act_policy,
.maxattr = ARRAY_SIZE(ethnl_module_fw_flash_act_policy) - 1,
},
+ {
+ .cmd = ETHTOOL_MSG_PHY_GET,
+ .doit = ethnl_phy_doit,
+ .start = ethnl_phy_start,
+ .dumpit = ethnl_phy_dumpit,
+ .done = ethnl_phy_done,
+ .policy = ethnl_phy_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_phy_get_policy) - 1,
+ },
};
static const struct genl_multicast_group ethtool_nl_mcgrps[] = {
diff --git a/net/ethtool/netlink.h b/net/ethtool/netlink.h
index 46ec273a87c5..203b08eb6c6f 100644
--- a/net/ethtool/netlink.h
+++ b/net/ethtool/netlink.h
@@ -251,6 +251,9 @@ static inline unsigned int ethnl_reply_header_size(void)
* @dev: network device the request is for (may be null)
* @dev_tracker: refcount tracker for @dev reference
* @flags: request flags common for all request types
+ * @phy_index: phy_device index connected to @dev this request is for. Can be
+ * 0 if the request doesn't target a phy, or if the @dev's attached
+ * phy is targeted.
*
* This is a common base for request specific structures holding data from
* parsed userspace request. These always embed struct ethnl_req_info at
@@ -260,6 +263,7 @@ struct ethnl_req_info {
struct net_device *dev;
netdevice_tracker dev_tracker;
u32 flags;
+ u32 phy_index;
};
static inline void ethnl_parse_header_dev_put(struct ethnl_req_info *req_info)
@@ -268,6 +272,27 @@ static inline void ethnl_parse_header_dev_put(struct ethnl_req_info *req_info)
}
/**
+ * ethnl_req_get_phydev() - Gets the phy_device targeted by this request,
+ * if any. Must be called under rntl_lock().
+ * @req_info: The ethnl request to get the phy from.
+ * @header: The netlink header, used for error reporting.
+ * @extack: The netlink extended ACK, for error reporting.
+ *
+ * The caller must hold RTNL, until it's done interacting with the returned
+ * phy_device.
+ *
+ * Return: A phy_device pointer corresponding either to the passed phy_index
+ * if one is provided. If not, the phy_device attached to the
+ * net_device targeted by this request is returned. If there's no
+ * targeted net_device, or no phy_device is attached, NULL is
+ * returned. If the provided phy_index is invalid, an error pointer
+ * is returned.
+ */
+struct phy_device *ethnl_req_get_phydev(const struct ethnl_req_info *req_info,
+ const struct nlattr *header,
+ struct netlink_ext_ack *extack);
+
+/**
* struct ethnl_reply_data - base type of reply data for GET requests
* @dev: device for current reply message; in single shot requests it is
* equal to &ethnl_req_info.dev; in dumps it's different for each
@@ -409,9 +434,12 @@ extern const struct ethnl_request_ops ethnl_rss_request_ops;
extern const struct ethnl_request_ops ethnl_plca_cfg_request_ops;
extern const struct ethnl_request_ops ethnl_plca_status_request_ops;
extern const struct ethnl_request_ops ethnl_mm_request_ops;
+extern const struct ethnl_request_ops ethnl_phy_request_ops;
extern const struct nla_policy ethnl_header_policy[ETHTOOL_A_HEADER_FLAGS + 1];
extern const struct nla_policy ethnl_header_policy_stats[ETHTOOL_A_HEADER_FLAGS + 1];
+extern const struct nla_policy ethnl_header_policy_phy[ETHTOOL_A_HEADER_PHY_INDEX + 1];
+extern const struct nla_policy ethnl_header_policy_phy_stats[ETHTOOL_A_HEADER_PHY_INDEX + 1];
extern const struct nla_policy ethnl_strset_get_policy[ETHTOOL_A_STRSET_COUNTS_ONLY + 1];
extern const struct nla_policy ethnl_linkinfo_get_policy[ETHTOOL_A_LINKINFO_HEADER + 1];
extern const struct nla_policy ethnl_linkinfo_set_policy[ETHTOOL_A_LINKINFO_TP_MDIX_CTRL + 1];
@@ -449,13 +477,14 @@ extern const struct nla_policy ethnl_module_get_policy[ETHTOOL_A_MODULE_HEADER +
extern const struct nla_policy ethnl_module_set_policy[ETHTOOL_A_MODULE_POWER_MODE_POLICY + 1];
extern const struct nla_policy ethnl_pse_get_policy[ETHTOOL_A_PSE_HEADER + 1];
extern const struct nla_policy ethnl_pse_set_policy[ETHTOOL_A_PSE_MAX + 1];
-extern const struct nla_policy ethnl_rss_get_policy[ETHTOOL_A_RSS_CONTEXT + 1];
+extern const struct nla_policy ethnl_rss_get_policy[ETHTOOL_A_RSS_START_CONTEXT + 1];
extern const struct nla_policy ethnl_plca_get_cfg_policy[ETHTOOL_A_PLCA_HEADER + 1];
extern const struct nla_policy ethnl_plca_set_cfg_policy[ETHTOOL_A_PLCA_MAX + 1];
extern const struct nla_policy ethnl_plca_get_status_policy[ETHTOOL_A_PLCA_HEADER + 1];
extern const struct nla_policy ethnl_mm_get_policy[ETHTOOL_A_MM_HEADER + 1];
extern const struct nla_policy ethnl_mm_set_policy[ETHTOOL_A_MM_MAX + 1];
extern const struct nla_policy ethnl_module_fw_flash_act_policy[ETHTOOL_A_MODULE_FW_FLASH_PASSWORD + 1];
+extern const struct nla_policy ethnl_phy_get_policy[ETHTOOL_A_PHY_HEADER + 1];
int ethnl_set_features(struct sk_buff *skb, struct genl_info *info);
int ethnl_act_cable_test(struct sk_buff *skb, struct genl_info *info);
@@ -464,6 +493,12 @@ int ethnl_tunnel_info_doit(struct sk_buff *skb, struct genl_info *info);
int ethnl_tunnel_info_start(struct netlink_callback *cb);
int ethnl_tunnel_info_dumpit(struct sk_buff *skb, struct netlink_callback *cb);
int ethnl_act_module_fw_flash(struct sk_buff *skb, struct genl_info *info);
+int ethnl_rss_dump_start(struct netlink_callback *cb);
+int ethnl_rss_dumpit(struct sk_buff *skb, struct netlink_callback *cb);
+int ethnl_phy_start(struct netlink_callback *cb);
+int ethnl_phy_doit(struct sk_buff *skb, struct genl_info *info);
+int ethnl_phy_dumpit(struct sk_buff *skb, struct netlink_callback *cb);
+int ethnl_phy_done(struct netlink_callback *cb);
extern const char stats_std_names[__ETHTOOL_STATS_CNT][ETH_GSTRING_LEN];
extern const char stats_eth_phy_names[__ETHTOOL_A_STATS_ETH_PHY_CNT][ETH_GSTRING_LEN];
diff --git a/net/ethtool/phy.c b/net/ethtool/phy.c
new file mode 100644
index 000000000000..ed8f690f6bac
--- /dev/null
+++ b/net/ethtool/phy.c
@@ -0,0 +1,306 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2023 Bootlin
+ *
+ */
+#include "common.h"
+#include "netlink.h"
+
+#include <linux/phy.h>
+#include <linux/phy_link_topology.h>
+#include <linux/sfp.h>
+
+struct phy_req_info {
+ struct ethnl_req_info base;
+ struct phy_device_node *pdn;
+};
+
+#define PHY_REQINFO(__req_base) \
+ container_of(__req_base, struct phy_req_info, base)
+
+const struct nla_policy ethnl_phy_get_policy[ETHTOOL_A_PHY_HEADER + 1] = {
+ [ETHTOOL_A_PHY_HEADER] = NLA_POLICY_NESTED(ethnl_header_policy),
+};
+
+/* Caller holds rtnl */
+static ssize_t
+ethnl_phy_reply_size(const struct ethnl_req_info *req_base,
+ struct netlink_ext_ack *extack)
+{
+ struct phy_req_info *req_info = PHY_REQINFO(req_base);
+ struct phy_device_node *pdn = req_info->pdn;
+ struct phy_device *phydev = pdn->phy;
+ size_t size = 0;
+
+ ASSERT_RTNL();
+
+ /* ETHTOOL_A_PHY_INDEX */
+ size += nla_total_size(sizeof(u32));
+
+ /* ETHTOOL_A_DRVNAME */
+ if (phydev->drv)
+ size += nla_total_size(strlen(phydev->drv->name) + 1);
+
+ /* ETHTOOL_A_NAME */
+ size += nla_total_size(strlen(dev_name(&phydev->mdio.dev)) + 1);
+
+ /* ETHTOOL_A_PHY_UPSTREAM_TYPE */
+ size += nla_total_size(sizeof(u32));
+
+ if (phy_on_sfp(phydev)) {
+ const char *upstream_sfp_name = sfp_get_name(pdn->parent_sfp_bus);
+
+ /* ETHTOOL_A_PHY_UPSTREAM_SFP_NAME */
+ if (upstream_sfp_name)
+ size += nla_total_size(strlen(upstream_sfp_name) + 1);
+
+ /* ETHTOOL_A_PHY_UPSTREAM_INDEX */
+ size += nla_total_size(sizeof(u32));
+ }
+
+ /* ETHTOOL_A_PHY_DOWNSTREAM_SFP_NAME */
+ if (phydev->sfp_bus) {
+ const char *sfp_name = sfp_get_name(phydev->sfp_bus);
+
+ if (sfp_name)
+ size += nla_total_size(strlen(sfp_name) + 1);
+ }
+
+ return size;
+}
+
+static int
+ethnl_phy_fill_reply(const struct ethnl_req_info *req_base, struct sk_buff *skb)
+{
+ struct phy_req_info *req_info = PHY_REQINFO(req_base);
+ struct phy_device_node *pdn = req_info->pdn;
+ struct phy_device *phydev = pdn->phy;
+ enum phy_upstream ptype;
+
+ ptype = pdn->upstream_type;
+
+ if (nla_put_u32(skb, ETHTOOL_A_PHY_INDEX, phydev->phyindex) ||
+ nla_put_string(skb, ETHTOOL_A_PHY_NAME, dev_name(&phydev->mdio.dev)) ||
+ nla_put_u32(skb, ETHTOOL_A_PHY_UPSTREAM_TYPE, ptype))
+ return -EMSGSIZE;
+
+ if (phydev->drv &&
+ nla_put_string(skb, ETHTOOL_A_PHY_DRVNAME, phydev->drv->name))
+ return -EMSGSIZE;
+
+ if (ptype == PHY_UPSTREAM_PHY) {
+ struct phy_device *upstream = pdn->upstream.phydev;
+ const char *sfp_upstream_name;
+
+ /* Parent index */
+ if (nla_put_u32(skb, ETHTOOL_A_PHY_UPSTREAM_INDEX, upstream->phyindex))
+ return -EMSGSIZE;
+
+ if (pdn->parent_sfp_bus) {
+ sfp_upstream_name = sfp_get_name(pdn->parent_sfp_bus);
+ if (sfp_upstream_name &&
+ nla_put_string(skb, ETHTOOL_A_PHY_UPSTREAM_SFP_NAME,
+ sfp_upstream_name))
+ return -EMSGSIZE;
+ }
+ }
+
+ if (phydev->sfp_bus) {
+ const char *sfp_name = sfp_get_name(phydev->sfp_bus);
+
+ if (sfp_name &&
+ nla_put_string(skb, ETHTOOL_A_PHY_DOWNSTREAM_SFP_NAME,
+ sfp_name))
+ return -EMSGSIZE;
+ }
+
+ return 0;
+}
+
+static int ethnl_phy_parse_request(struct ethnl_req_info *req_base,
+ struct nlattr **tb,
+ struct netlink_ext_ack *extack)
+{
+ struct phy_link_topology *topo = req_base->dev->link_topo;
+ struct phy_req_info *req_info = PHY_REQINFO(req_base);
+ struct phy_device *phydev;
+
+ phydev = ethnl_req_get_phydev(req_base, tb[ETHTOOL_A_PHY_HEADER],
+ extack);
+ if (!phydev)
+ return 0;
+
+ if (IS_ERR(phydev))
+ return PTR_ERR(phydev);
+
+ if (!topo)
+ return 0;
+
+ req_info->pdn = xa_load(&topo->phys, phydev->phyindex);
+
+ return 0;
+}
+
+int ethnl_phy_doit(struct sk_buff *skb, struct genl_info *info)
+{
+ struct phy_req_info req_info = {};
+ struct nlattr **tb = info->attrs;
+ struct sk_buff *rskb;
+ void *reply_payload;
+ int reply_len;
+ int ret;
+
+ ret = ethnl_parse_header_dev_get(&req_info.base,
+ tb[ETHTOOL_A_PHY_HEADER],
+ genl_info_net(info), info->extack,
+ true);
+ if (ret < 0)
+ return ret;
+
+ rtnl_lock();
+
+ ret = ethnl_phy_parse_request(&req_info.base, tb, info->extack);
+ if (ret < 0)
+ goto err_unlock_rtnl;
+
+ /* No PHY, return early */
+ if (!req_info.pdn)
+ goto err_unlock_rtnl;
+
+ ret = ethnl_phy_reply_size(&req_info.base, info->extack);
+ if (ret < 0)
+ goto err_unlock_rtnl;
+ reply_len = ret + ethnl_reply_header_size();
+
+ rskb = ethnl_reply_init(reply_len, req_info.base.dev,
+ ETHTOOL_MSG_PHY_GET_REPLY,
+ ETHTOOL_A_PHY_HEADER,
+ info, &reply_payload);
+ if (!rskb) {
+ ret = -ENOMEM;
+ goto err_unlock_rtnl;
+ }
+
+ ret = ethnl_phy_fill_reply(&req_info.base, rskb);
+ if (ret)
+ goto err_free_msg;
+
+ rtnl_unlock();
+ ethnl_parse_header_dev_put(&req_info.base);
+ genlmsg_end(rskb, reply_payload);
+
+ return genlmsg_reply(rskb, info);
+
+err_free_msg:
+ nlmsg_free(rskb);
+err_unlock_rtnl:
+ rtnl_unlock();
+ ethnl_parse_header_dev_put(&req_info.base);
+ return ret;
+}
+
+struct ethnl_phy_dump_ctx {
+ struct phy_req_info *phy_req_info;
+ unsigned long ifindex;
+ unsigned long phy_index;
+};
+
+int ethnl_phy_start(struct netlink_callback *cb)
+{
+ const struct genl_info *info = genl_info_dump(cb);
+ struct ethnl_phy_dump_ctx *ctx = (void *)cb->ctx;
+ int ret;
+
+ BUILD_BUG_ON(sizeof(*ctx) > sizeof(cb->ctx));
+
+ ctx->phy_req_info = kzalloc(sizeof(*ctx->phy_req_info), GFP_KERNEL);
+ if (!ctx->phy_req_info)
+ return -ENOMEM;
+
+ ret = ethnl_parse_header_dev_get(&ctx->phy_req_info->base,
+ info->attrs[ETHTOOL_A_PHY_HEADER],
+ sock_net(cb->skb->sk), cb->extack,
+ false);
+ ctx->ifindex = 0;
+ ctx->phy_index = 0;
+
+ if (ret)
+ kfree(ctx->phy_req_info);
+
+ return ret;
+}
+
+int ethnl_phy_done(struct netlink_callback *cb)
+{
+ struct ethnl_phy_dump_ctx *ctx = (void *)cb->ctx;
+
+ if (ctx->phy_req_info->base.dev)
+ ethnl_parse_header_dev_put(&ctx->phy_req_info->base);
+
+ kfree(ctx->phy_req_info);
+
+ return 0;
+}
+
+static int ethnl_phy_dump_one_dev(struct sk_buff *skb, struct net_device *dev,
+ struct netlink_callback *cb)
+{
+ struct ethnl_phy_dump_ctx *ctx = (void *)cb->ctx;
+ struct phy_req_info *pri = ctx->phy_req_info;
+ struct phy_device_node *pdn;
+ int ret = 0;
+ void *ehdr;
+
+ if (!dev->link_topo)
+ return 0;
+
+ xa_for_each_start(&dev->link_topo->phys, ctx->phy_index, pdn, ctx->phy_index) {
+ ehdr = ethnl_dump_put(skb, cb, ETHTOOL_MSG_PHY_GET_REPLY);
+ if (!ehdr) {
+ ret = -EMSGSIZE;
+ break;
+ }
+
+ ret = ethnl_fill_reply_header(skb, dev, ETHTOOL_A_PHY_HEADER);
+ if (ret < 0) {
+ genlmsg_cancel(skb, ehdr);
+ break;
+ }
+
+ pri->pdn = pdn;
+ ret = ethnl_phy_fill_reply(&pri->base, skb);
+ if (ret < 0) {
+ genlmsg_cancel(skb, ehdr);
+ break;
+ }
+
+ genlmsg_end(skb, ehdr);
+ }
+
+ return ret;
+}
+
+int ethnl_phy_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
+{
+ struct ethnl_phy_dump_ctx *ctx = (void *)cb->ctx;
+ struct net *net = sock_net(skb->sk);
+ struct net_device *dev;
+ int ret = 0;
+
+ rtnl_lock();
+
+ if (ctx->phy_req_info->base.dev) {
+ ret = ethnl_phy_dump_one_dev(skb, ctx->phy_req_info->base.dev, cb);
+ } else {
+ for_each_netdev_dump(net, dev, ctx->ifindex) {
+ ret = ethnl_phy_dump_one_dev(skb, dev, cb);
+ if (ret)
+ break;
+
+ ctx->phy_index = 0;
+ }
+ }
+ rtnl_unlock();
+
+ return ret;
+}
diff --git a/net/ethtool/plca.c b/net/ethtool/plca.c
index b1e2e3b5027f..d95d92f173a6 100644
--- a/net/ethtool/plca.c
+++ b/net/ethtool/plca.c
@@ -25,7 +25,7 @@ struct plca_reply_data {
const struct nla_policy ethnl_plca_get_cfg_policy[] = {
[ETHTOOL_A_PLCA_HEADER] =
- NLA_POLICY_NESTED(ethnl_header_policy),
+ NLA_POLICY_NESTED(ethnl_header_policy_phy),
};
static void plca_update_sint(int *dst, struct nlattr **tb, u32 attrid,
@@ -58,10 +58,14 @@ static int plca_get_cfg_prepare_data(const struct ethnl_req_info *req_base,
struct plca_reply_data *data = PLCA_REPDATA(reply_base);
struct net_device *dev = reply_base->dev;
const struct ethtool_phy_ops *ops;
+ struct nlattr **tb = info->attrs;
+ struct phy_device *phydev;
int ret;
+ phydev = ethnl_req_get_phydev(req_base, tb[ETHTOOL_A_PLCA_HEADER],
+ info->extack);
// check that the PHY device is available and connected
- if (!dev->phydev) {
+ if (IS_ERR_OR_NULL(phydev)) {
ret = -EOPNOTSUPP;
goto out;
}
@@ -80,7 +84,7 @@ static int plca_get_cfg_prepare_data(const struct ethnl_req_info *req_base,
memset(&data->plca_cfg, 0xff,
sizeof_field(struct plca_reply_data, plca_cfg));
- ret = ops->get_plca_cfg(dev->phydev, &data->plca_cfg);
+ ret = ops->get_plca_cfg(phydev, &data->plca_cfg);
ethnl_ops_complete(dev);
out:
@@ -129,7 +133,7 @@ static int plca_get_cfg_fill_reply(struct sk_buff *skb,
const struct nla_policy ethnl_plca_set_cfg_policy[] = {
[ETHTOOL_A_PLCA_HEADER] =
- NLA_POLICY_NESTED(ethnl_header_policy),
+ NLA_POLICY_NESTED(ethnl_header_policy_phy),
[ETHTOOL_A_PLCA_ENABLED] = NLA_POLICY_MAX(NLA_U8, 1),
[ETHTOOL_A_PLCA_NODE_ID] = NLA_POLICY_MAX(NLA_U32, 255),
[ETHTOOL_A_PLCA_NODE_CNT] = NLA_POLICY_RANGE(NLA_U32, 1, 255),
@@ -141,15 +145,17 @@ const struct nla_policy ethnl_plca_set_cfg_policy[] = {
static int
ethnl_set_plca(struct ethnl_req_info *req_info, struct genl_info *info)
{
- struct net_device *dev = req_info->dev;
const struct ethtool_phy_ops *ops;
struct nlattr **tb = info->attrs;
struct phy_plca_cfg plca_cfg;
+ struct phy_device *phydev;
bool mod = false;
int ret;
+ phydev = ethnl_req_get_phydev(req_info, tb[ETHTOOL_A_PLCA_HEADER],
+ info->extack);
// check that the PHY device is available and connected
- if (!dev->phydev)
+ if (IS_ERR_OR_NULL(phydev))
return -EOPNOTSUPP;
ops = ethtool_phy_ops;
@@ -168,7 +174,7 @@ ethnl_set_plca(struct ethnl_req_info *req_info, struct genl_info *info)
if (!mod)
return 0;
- ret = ops->set_plca_cfg(dev->phydev, &plca_cfg, info->extack);
+ ret = ops->set_plca_cfg(phydev, &plca_cfg, info->extack);
return ret < 0 ? ret : 1;
}
@@ -191,7 +197,7 @@ const struct ethnl_request_ops ethnl_plca_cfg_request_ops = {
const struct nla_policy ethnl_plca_get_status_policy[] = {
[ETHTOOL_A_PLCA_HEADER] =
- NLA_POLICY_NESTED(ethnl_header_policy),
+ NLA_POLICY_NESTED(ethnl_header_policy_phy),
};
static int plca_get_status_prepare_data(const struct ethnl_req_info *req_base,
@@ -201,10 +207,14 @@ static int plca_get_status_prepare_data(const struct ethnl_req_info *req_base,
struct plca_reply_data *data = PLCA_REPDATA(reply_base);
struct net_device *dev = reply_base->dev;
const struct ethtool_phy_ops *ops;
+ struct nlattr **tb = info->attrs;
+ struct phy_device *phydev;
int ret;
+ phydev = ethnl_req_get_phydev(req_base, tb[ETHTOOL_A_PLCA_HEADER],
+ info->extack);
// check that the PHY device is available and connected
- if (!dev->phydev) {
+ if (IS_ERR_OR_NULL(phydev)) {
ret = -EOPNOTSUPP;
goto out;
}
@@ -223,7 +233,7 @@ static int plca_get_status_prepare_data(const struct ethnl_req_info *req_base,
memset(&data->plca_st, 0xff,
sizeof_field(struct plca_reply_data, plca_st));
- ret = ops->get_plca_status(dev->phydev, &data->plca_st);
+ ret = ops->get_plca_status(phydev, &data->plca_st);
ethnl_ops_complete(dev);
out:
return ret;
diff --git a/net/ethtool/pse-pd.c b/net/ethtool/pse-pd.c
index ff81aa749784..a0705edca22a 100644
--- a/net/ethtool/pse-pd.c
+++ b/net/ethtool/pse-pd.c
@@ -28,17 +28,15 @@ struct pse_reply_data {
/* PSE_GET */
const struct nla_policy ethnl_pse_get_policy[ETHTOOL_A_PSE_HEADER + 1] = {
- [ETHTOOL_A_PSE_HEADER] = NLA_POLICY_NESTED(ethnl_header_policy),
+ [ETHTOOL_A_PSE_HEADER] = NLA_POLICY_NESTED(ethnl_header_policy_phy),
};
-static int pse_get_pse_attributes(struct net_device *dev,
+static int pse_get_pse_attributes(struct phy_device *phydev,
struct netlink_ext_ack *extack,
struct pse_reply_data *data)
{
- struct phy_device *phydev = dev->phydev;
-
if (!phydev) {
- NL_SET_ERR_MSG(extack, "No PHY is attached");
+ NL_SET_ERR_MSG(extack, "No PHY found");
return -EOPNOTSUPP;
}
@@ -58,13 +56,20 @@ static int pse_prepare_data(const struct ethnl_req_info *req_base,
{
struct pse_reply_data *data = PSE_REPDATA(reply_base);
struct net_device *dev = reply_base->dev;
+ struct nlattr **tb = info->attrs;
+ struct phy_device *phydev;
int ret;
ret = ethnl_ops_begin(dev);
if (ret < 0)
return ret;
- ret = pse_get_pse_attributes(dev, info->extack, data);
+ phydev = ethnl_req_get_phydev(req_base, tb[ETHTOOL_A_PSE_HEADER],
+ info->extack);
+ if (IS_ERR(phydev))
+ return -ENODEV;
+
+ ret = pse_get_pse_attributes(phydev, info->extack, data);
ethnl_ops_complete(dev);
@@ -206,7 +211,7 @@ static void pse_cleanup_data(struct ethnl_reply_data *reply_base)
/* PSE_SET */
const struct nla_policy ethnl_pse_set_policy[ETHTOOL_A_PSE_MAX + 1] = {
- [ETHTOOL_A_PSE_HEADER] = NLA_POLICY_NESTED(ethnl_header_policy),
+ [ETHTOOL_A_PSE_HEADER] = NLA_POLICY_NESTED(ethnl_header_policy_phy),
[ETHTOOL_A_PODL_PSE_ADMIN_CONTROL] =
NLA_POLICY_RANGE(NLA_U32, ETHTOOL_PODL_PSE_ADMIN_STATE_DISABLED,
ETHTOOL_PODL_PSE_ADMIN_STATE_ENABLED),
@@ -217,14 +222,11 @@ const struct nla_policy ethnl_pse_set_policy[ETHTOOL_A_PSE_MAX + 1] = {
};
static int
-ethnl_set_pse_validate(struct ethnl_req_info *req_info, struct genl_info *info)
+ethnl_set_pse_validate(struct phy_device *phydev, struct genl_info *info)
{
- struct net_device *dev = req_info->dev;
struct nlattr **tb = info->attrs;
- struct phy_device *phydev;
- phydev = dev->phydev;
- if (!phydev) {
+ if (IS_ERR_OR_NULL(phydev)) {
NL_SET_ERR_MSG(info->extack, "No PHY is attached");
return -EOPNOTSUPP;
}
@@ -249,18 +251,21 @@ ethnl_set_pse_validate(struct ethnl_req_info *req_info, struct genl_info *info)
return -EOPNOTSUPP;
}
- return 1;
+ return 0;
}
static int
ethnl_set_pse(struct ethnl_req_info *req_info, struct genl_info *info)
{
- struct net_device *dev = req_info->dev;
struct nlattr **tb = info->attrs;
struct phy_device *phydev;
- int ret = 0;
+ int ret;
- phydev = dev->phydev;
+ phydev = ethnl_req_get_phydev(req_info, tb[ETHTOOL_A_PSE_HEADER],
+ info->extack);
+ ret = ethnl_set_pse_validate(phydev, info);
+ if (ret)
+ return ret;
if (tb[ETHTOOL_A_C33_PSE_AVAIL_PW_LIMIT]) {
unsigned int pw_limit;
@@ -307,7 +312,6 @@ const struct ethnl_request_ops ethnl_pse_request_ops = {
.fill_reply = pse_fill_reply,
.cleanup_data = pse_cleanup_data,
- .set_validate = ethnl_set_pse_validate,
.set = ethnl_set_pse,
/* PSE has no notification */
};
diff --git a/net/ethtool/rss.c b/net/ethtool/rss.c
index 5c4c4505ab9a..e07386275e14 100644
--- a/net/ethtool/rss.c
+++ b/net/ethtool/rss.c
@@ -10,6 +10,7 @@ struct rss_req_info {
struct rss_reply_data {
struct ethnl_reply_data base;
+ bool no_key_fields;
u32 indir_size;
u32 hkey_size;
u32 hfunc;
@@ -27,6 +28,7 @@ struct rss_reply_data {
const struct nla_policy ethnl_rss_get_policy[] = {
[ETHTOOL_A_RSS_HEADER] = NLA_POLICY_NESTED(ethnl_header_policy),
[ETHTOOL_A_RSS_CONTEXT] = { .type = NLA_U32 },
+ [ETHTOOL_A_RSS_START_CONTEXT] = { .type = NLA_U32 },
};
static int
@@ -37,18 +39,18 @@ rss_parse_request(struct ethnl_req_info *req_info, struct nlattr **tb,
if (tb[ETHTOOL_A_RSS_CONTEXT])
request->rss_context = nla_get_u32(tb[ETHTOOL_A_RSS_CONTEXT]);
+ if (tb[ETHTOOL_A_RSS_START_CONTEXT]) {
+ NL_SET_BAD_ATTR(extack, tb[ETHTOOL_A_RSS_START_CONTEXT]);
+ return -EINVAL;
+ }
return 0;
}
static int
-rss_prepare_data(const struct ethnl_req_info *req_base,
- struct ethnl_reply_data *reply_base,
- const struct genl_info *info)
+rss_prepare_get(const struct rss_req_info *request, struct net_device *dev,
+ struct rss_reply_data *data, const struct genl_info *info)
{
- struct rss_reply_data *data = RSS_REPDATA(reply_base);
- struct rss_req_info *request = RSS_REQINFO(req_base);
- struct net_device *dev = reply_base->dev;
struct ethtool_rxfh_param rxfh = {};
const struct ethtool_ops *ops;
u32 total_size, indir_bytes;
@@ -56,12 +58,6 @@ rss_prepare_data(const struct ethnl_req_info *req_base,
int ret;
ops = dev->ethtool_ops;
- if (!ops->get_rxfh)
- return -EOPNOTSUPP;
-
- /* Some drivers don't handle rss_context */
- if (request->rss_context && !ops->cap_rss_ctx_supported)
- return -EOPNOTSUPP;
ret = ethnl_ops_begin(dev);
if (ret < 0)
@@ -91,7 +87,6 @@ rss_prepare_data(const struct ethnl_req_info *req_base,
rxfh.indir = data->indir_table;
rxfh.key_size = data->hkey_size;
rxfh.key = data->hkey;
- rxfh.rss_context = request->rss_context;
ret = ops->get_rxfh(dev, &rxfh);
if (ret)
@@ -105,6 +100,67 @@ out_ops:
}
static int
+rss_prepare_ctx(const struct rss_req_info *request, struct net_device *dev,
+ struct rss_reply_data *data, const struct genl_info *info)
+{
+ struct ethtool_rxfh_context *ctx;
+ u32 total_size, indir_bytes;
+ u8 *rss_config;
+
+ ctx = xa_load(&dev->ethtool->rss_ctx, request->rss_context);
+ if (!ctx)
+ return -ENOENT;
+
+ data->indir_size = ctx->indir_size;
+ data->hkey_size = ctx->key_size;
+ data->hfunc = ctx->hfunc;
+ data->input_xfrm = ctx->input_xfrm;
+
+ indir_bytes = data->indir_size * sizeof(u32);
+ total_size = indir_bytes + data->hkey_size;
+ rss_config = kzalloc(total_size, GFP_KERNEL);
+ if (!rss_config)
+ return -ENOMEM;
+
+ data->indir_table = (u32 *)rss_config;
+ memcpy(data->indir_table, ethtool_rxfh_context_indir(ctx), indir_bytes);
+
+ if (data->hkey_size) {
+ data->hkey = rss_config + indir_bytes;
+ memcpy(data->hkey, ethtool_rxfh_context_key(ctx),
+ data->hkey_size);
+ }
+
+ return 0;
+}
+
+static int
+rss_prepare_data(const struct ethnl_req_info *req_base,
+ struct ethnl_reply_data *reply_base,
+ const struct genl_info *info)
+{
+ struct rss_reply_data *data = RSS_REPDATA(reply_base);
+ struct rss_req_info *request = RSS_REQINFO(req_base);
+ struct net_device *dev = reply_base->dev;
+ const struct ethtool_ops *ops;
+
+ ops = dev->ethtool_ops;
+ if (!ops->get_rxfh)
+ return -EOPNOTSUPP;
+
+ /* Some drivers don't handle rss_context */
+ if (request->rss_context) {
+ if (!ops->cap_rss_ctx_supported && !ops->create_rxfh_context)
+ return -EOPNOTSUPP;
+
+ data->no_key_fields = !ops->rxfh_per_ctx_key;
+ return rss_prepare_ctx(request, dev, data, info);
+ }
+
+ return rss_prepare_get(request, dev, data, info);
+}
+
+static int
rss_reply_size(const struct ethnl_req_info *req_base,
const struct ethnl_reply_data *reply_base)
{
@@ -131,13 +187,18 @@ rss_fill_reply(struct sk_buff *skb, const struct ethnl_req_info *req_base,
nla_put_u32(skb, ETHTOOL_A_RSS_CONTEXT, request->rss_context))
return -EMSGSIZE;
+ if ((data->indir_size &&
+ nla_put(skb, ETHTOOL_A_RSS_INDIR,
+ sizeof(u32) * data->indir_size, data->indir_table)))
+ return -EMSGSIZE;
+
+ if (data->no_key_fields)
+ return 0;
+
if ((data->hfunc &&
nla_put_u32(skb, ETHTOOL_A_RSS_HFUNC, data->hfunc)) ||
(data->input_xfrm &&
nla_put_u32(skb, ETHTOOL_A_RSS_INPUT_XFRM, data->input_xfrm)) ||
- (data->indir_size &&
- nla_put(skb, ETHTOOL_A_RSS_INDIR,
- sizeof(u32) * data->indir_size, data->indir_table)) ||
(data->hkey_size &&
nla_put(skb, ETHTOOL_A_RSS_HKEY, data->hkey_size, data->hkey)))
return -EMSGSIZE;
@@ -152,6 +213,146 @@ static void rss_cleanup_data(struct ethnl_reply_data *reply_base)
kfree(data->indir_table);
}
+struct rss_nl_dump_ctx {
+ unsigned long ifindex;
+ unsigned long ctx_idx;
+
+ /* User wants to only dump contexts from given ifindex */
+ unsigned int match_ifindex;
+ unsigned int start_ctx;
+};
+
+static struct rss_nl_dump_ctx *rss_dump_ctx(struct netlink_callback *cb)
+{
+ NL_ASSERT_DUMP_CTX_FITS(struct rss_nl_dump_ctx);
+
+ return (struct rss_nl_dump_ctx *)cb->ctx;
+}
+
+int ethnl_rss_dump_start(struct netlink_callback *cb)
+{
+ const struct genl_info *info = genl_info_dump(cb);
+ struct rss_nl_dump_ctx *ctx = rss_dump_ctx(cb);
+ struct ethnl_req_info req_info = {};
+ struct nlattr **tb = info->attrs;
+ int ret;
+
+ /* Filtering by context not supported */
+ if (tb[ETHTOOL_A_RSS_CONTEXT]) {
+ NL_SET_BAD_ATTR(info->extack, tb[ETHTOOL_A_RSS_CONTEXT]);
+ return -EINVAL;
+ }
+ if (tb[ETHTOOL_A_RSS_START_CONTEXT]) {
+ ctx->start_ctx = nla_get_u32(tb[ETHTOOL_A_RSS_START_CONTEXT]);
+ ctx->ctx_idx = ctx->start_ctx;
+ }
+
+ ret = ethnl_parse_header_dev_get(&req_info,
+ tb[ETHTOOL_A_RSS_HEADER],
+ sock_net(cb->skb->sk), cb->extack,
+ false);
+ if (req_info.dev) {
+ ctx->match_ifindex = req_info.dev->ifindex;
+ ctx->ifindex = ctx->match_ifindex;
+ ethnl_parse_header_dev_put(&req_info);
+ req_info.dev = NULL;
+ }
+
+ return ret;
+}
+
+static int
+rss_dump_one_ctx(struct sk_buff *skb, struct netlink_callback *cb,
+ struct net_device *dev, u32 rss_context)
+{
+ const struct genl_info *info = genl_info_dump(cb);
+ struct rss_reply_data data = {};
+ struct rss_req_info req = {};
+ void *ehdr;
+ int ret;
+
+ req.rss_context = rss_context;
+
+ ehdr = ethnl_dump_put(skb, cb, ETHTOOL_MSG_RSS_GET_REPLY);
+ if (!ehdr)
+ return -EMSGSIZE;
+
+ ret = ethnl_fill_reply_header(skb, dev, ETHTOOL_A_RSS_HEADER);
+ if (ret < 0)
+ goto err_cancel;
+
+ /* Context 0 is not currently storred or cached in the XArray */
+ if (!rss_context)
+ ret = rss_prepare_get(&req, dev, &data, info);
+ else
+ ret = rss_prepare_ctx(&req, dev, &data, info);
+ if (ret)
+ goto err_cancel;
+
+ ret = rss_fill_reply(skb, &req.base, &data.base);
+ if (ret)
+ goto err_cleanup;
+ genlmsg_end(skb, ehdr);
+
+ rss_cleanup_data(&data.base);
+ return 0;
+
+err_cleanup:
+ rss_cleanup_data(&data.base);
+err_cancel:
+ genlmsg_cancel(skb, ehdr);
+ return ret;
+}
+
+static int
+rss_dump_one_dev(struct sk_buff *skb, struct netlink_callback *cb,
+ struct net_device *dev)
+{
+ struct rss_nl_dump_ctx *ctx = rss_dump_ctx(cb);
+ int ret;
+
+ if (!dev->ethtool_ops->get_rxfh)
+ return 0;
+
+ if (!ctx->ctx_idx) {
+ ret = rss_dump_one_ctx(skb, cb, dev, 0);
+ if (ret)
+ return ret;
+ ctx->ctx_idx++;
+ }
+
+ for (; xa_find(&dev->ethtool->rss_ctx, &ctx->ctx_idx,
+ ULONG_MAX, XA_PRESENT); ctx->ctx_idx++) {
+ ret = rss_dump_one_ctx(skb, cb, dev, ctx->ctx_idx);
+ if (ret)
+ return ret;
+ }
+ ctx->ctx_idx = ctx->start_ctx;
+
+ return 0;
+}
+
+int ethnl_rss_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
+{
+ struct rss_nl_dump_ctx *ctx = rss_dump_ctx(cb);
+ struct net *net = sock_net(skb->sk);
+ struct net_device *dev;
+ int ret = 0;
+
+ rtnl_lock();
+ for_each_netdev_dump(net, dev, ctx->ifindex) {
+ if (ctx->match_ifindex && ctx->match_ifindex != ctx->ifindex)
+ break;
+
+ ret = rss_dump_one_dev(skb, cb, dev);
+ if (ret)
+ break;
+ }
+ rtnl_unlock();
+
+ return ret;
+}
+
const struct ethnl_request_ops ethnl_rss_request_ops = {
.request_cmd = ETHTOOL_MSG_RSS_GET,
.reply_cmd = ETHTOOL_MSG_RSS_GET_REPLY,
diff --git a/net/ethtool/strset.c b/net/ethtool/strset.c
index c678b484a079..b3382b3cf325 100644
--- a/net/ethtool/strset.c
+++ b/net/ethtool/strset.c
@@ -126,7 +126,7 @@ struct strset_reply_data {
const struct nla_policy ethnl_strset_get_policy[] = {
[ETHTOOL_A_STRSET_HEADER] =
- NLA_POLICY_NESTED(ethnl_header_policy),
+ NLA_POLICY_NESTED(ethnl_header_policy_phy),
[ETHTOOL_A_STRSET_STRINGSETS] = { .type = NLA_NESTED },
[ETHTOOL_A_STRSET_COUNTS_ONLY] = { .type = NLA_FLAG },
};
@@ -233,17 +233,18 @@ static void strset_cleanup_data(struct ethnl_reply_data *reply_base)
}
static int strset_prepare_set(struct strset_info *info, struct net_device *dev,
- unsigned int id, bool counts_only)
+ struct phy_device *phydev, unsigned int id,
+ bool counts_only)
{
const struct ethtool_phy_ops *phy_ops = ethtool_phy_ops;
const struct ethtool_ops *ops = dev->ethtool_ops;
void *strings;
int count, ret;
- if (id == ETH_SS_PHY_STATS && dev->phydev &&
+ if (id == ETH_SS_PHY_STATS && phydev &&
!ops->get_ethtool_phy_stats && phy_ops &&
phy_ops->get_sset_count)
- ret = phy_ops->get_sset_count(dev->phydev);
+ ret = phy_ops->get_sset_count(phydev);
else if (ops->get_sset_count && ops->get_strings)
ret = ops->get_sset_count(dev, id);
else
@@ -258,10 +259,10 @@ static int strset_prepare_set(struct strset_info *info, struct net_device *dev,
strings = kcalloc(count, ETH_GSTRING_LEN, GFP_KERNEL);
if (!strings)
return -ENOMEM;
- if (id == ETH_SS_PHY_STATS && dev->phydev &&
+ if (id == ETH_SS_PHY_STATS && phydev &&
!ops->get_ethtool_phy_stats && phy_ops &&
phy_ops->get_strings)
- phy_ops->get_strings(dev->phydev, strings);
+ phy_ops->get_strings(phydev, strings);
else
ops->get_strings(dev, id, strings);
info->strings = strings;
@@ -279,6 +280,8 @@ static int strset_prepare_data(const struct ethnl_req_info *req_base,
const struct strset_req_info *req_info = STRSET_REQINFO(req_base);
struct strset_reply_data *data = STRSET_REPDATA(reply_base);
struct net_device *dev = reply_base->dev;
+ struct nlattr **tb = info->attrs;
+ struct phy_device *phydev;
unsigned int i;
int ret;
@@ -289,14 +292,20 @@ static int strset_prepare_data(const struct ethnl_req_info *req_base,
for (i = 0; i < ETH_SS_COUNT; i++) {
if ((req_info->req_ids & (1U << i)) &&
data->sets[i].per_dev) {
- if (info)
- GENL_SET_ERR_MSG(info, "requested per device strings without dev");
+ GENL_SET_ERR_MSG(info, "requested per device strings without dev");
return -EINVAL;
}
}
return 0;
}
+ phydev = ethnl_req_get_phydev(req_base, tb[ETHTOOL_A_HEADER_FLAGS],
+ info->extack);
+
+ /* phydev can be NULL, check for errors only */
+ if (IS_ERR(phydev))
+ return PTR_ERR(phydev);
+
ret = ethnl_ops_begin(dev);
if (ret < 0)
goto err_strset;
@@ -305,7 +314,7 @@ static int strset_prepare_data(const struct ethnl_req_info *req_base,
!data->sets[i].per_dev)
continue;
- ret = strset_prepare_set(&data->sets[i], dev, i,
+ ret = strset_prepare_set(&data->sets[i], dev, phydev, i,
req_info->counts_only);
if (ret < 0)
goto err_ops;