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-rw-r--r--include/net/netlink.h27
-rw-r--r--include/uapi/linux/netlink.h2
-rw-r--r--lib/nlattr.c36
-rw-r--r--net/ethtool/bitset.c26
-rw-r--r--net/ethtool/cabletest.c41
-rw-r--r--net/ethtool/channels.c35
-rw-r--r--net/ethtool/coalesce.c45
-rw-r--r--net/ethtool/debug.c24
-rw-r--r--net/ethtool/eee.c32
-rw-r--r--net/ethtool/features.c30
-rw-r--r--net/ethtool/linkinfo.c30
-rw-r--r--net/ethtool/linkmodes.c32
-rw-r--r--net/ethtool/linkstate.c14
-rw-r--r--net/ethtool/netlink.c124
-rw-r--r--net/ethtool/netlink.h35
-rw-r--r--net/ethtool/pause.c27
-rw-r--r--net/ethtool/privflags.c24
-rw-r--r--net/ethtool/rings.c35
-rw-r--r--net/ethtool/strset.c25
-rw-r--r--net/ethtool/tsinfo.c13
-rw-r--r--net/ethtool/tunnels.c42
-rw-r--r--net/ethtool/wol.c24
-rw-r--r--net/netlink/policy.c8
23 files changed, 317 insertions, 414 deletions
diff --git a/include/net/netlink.h b/include/net/netlink.h
index 5a5ff97cc596..2b9e41075f19 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -200,6 +200,7 @@ enum nla_policy_validation {
NLA_VALIDATE_RANGE_WARN_TOO_LONG,
NLA_VALIDATE_MIN,
NLA_VALIDATE_MAX,
+ NLA_VALIDATE_MASK,
NLA_VALIDATE_RANGE_PTR,
NLA_VALIDATE_FUNCTION,
};
@@ -317,6 +318,7 @@ struct nla_policy {
u16 len;
union {
const u32 bitfield32_valid;
+ const u32 mask;
const char *reject_message;
const struct nla_policy *nested_policy;
struct netlink_range_validation *range;
@@ -362,20 +364,23 @@ struct nla_policy {
#define NLA_POLICY_BITFIELD32(valid) \
{ .type = NLA_BITFIELD32, .bitfield32_valid = valid }
+#define __NLA_IS_UINT_TYPE(tp) \
+ (tp == NLA_U8 || tp == NLA_U16 || tp == NLA_U32 || tp == NLA_U64)
+#define __NLA_IS_SINT_TYPE(tp) \
+ (tp == NLA_S8 || tp == NLA_S16 || tp == NLA_S32 || tp == NLA_S64)
+
#define __NLA_ENSURE(condition) BUILD_BUG_ON_ZERO(!(condition))
+#define NLA_ENSURE_UINT_TYPE(tp) \
+ (__NLA_ENSURE(__NLA_IS_UINT_TYPE(tp)) + tp)
#define NLA_ENSURE_UINT_OR_BINARY_TYPE(tp) \
- (__NLA_ENSURE(tp == NLA_U8 || tp == NLA_U16 || \
- tp == NLA_U32 || tp == NLA_U64 || \
+ (__NLA_ENSURE(__NLA_IS_UINT_TYPE(tp) || \
tp == NLA_MSECS || \
tp == NLA_BINARY) + tp)
#define NLA_ENSURE_SINT_TYPE(tp) \
- (__NLA_ENSURE(tp == NLA_S8 || tp == NLA_S16 || \
- tp == NLA_S32 || tp == NLA_S64) + tp)
+ (__NLA_ENSURE(__NLA_IS_SINT_TYPE(tp)) + tp)
#define NLA_ENSURE_INT_OR_BINARY_TYPE(tp) \
- (__NLA_ENSURE(tp == NLA_S8 || tp == NLA_U8 || \
- tp == NLA_S16 || tp == NLA_U16 || \
- tp == NLA_S32 || tp == NLA_U32 || \
- tp == NLA_S64 || tp == NLA_U64 || \
+ (__NLA_ENSURE(__NLA_IS_UINT_TYPE(tp) || \
+ __NLA_IS_SINT_TYPE(tp) || \
tp == NLA_MSECS || \
tp == NLA_BINARY) + tp)
#define NLA_ENSURE_NO_VALIDATION_PTR(tp) \
@@ -415,6 +420,12 @@ struct nla_policy {
.max = _max, \
}
+#define NLA_POLICY_MASK(tp, _mask) { \
+ .type = NLA_ENSURE_UINT_TYPE(tp), \
+ .validation_type = NLA_VALIDATE_MASK, \
+ .mask = _mask, \
+}
+
#define NLA_POLICY_VALIDATE_FN(tp, fn, ...) { \
.type = NLA_ENSURE_NO_VALIDATION_PTR(tp), \
.validation_type = NLA_VALIDATE_FUNCTION, \
diff --git a/include/uapi/linux/netlink.h b/include/uapi/linux/netlink.h
index eac8a6a648ea..d02e472ba54c 100644
--- a/include/uapi/linux/netlink.h
+++ b/include/uapi/linux/netlink.h
@@ -331,6 +331,7 @@ enum netlink_attribute_type {
* the index, if limited inside the nesting (U32)
* @NL_POLICY_TYPE_ATTR_BITFIELD32_MASK: valid mask for the
* bitfield32 type (U32)
+ * @NL_POLICY_TYPE_ATTR_MASK: mask of valid bits for unsigned integers (U64)
* @NL_POLICY_TYPE_ATTR_PAD: pad attribute for 64-bit alignment
*/
enum netlink_policy_type_attr {
@@ -346,6 +347,7 @@ enum netlink_policy_type_attr {
NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE,
NL_POLICY_TYPE_ATTR_BITFIELD32_MASK,
NL_POLICY_TYPE_ATTR_PAD,
+ NL_POLICY_TYPE_ATTR_MASK,
/* keep last */
__NL_POLICY_TYPE_ATTR_MAX,
diff --git a/lib/nlattr.c b/lib/nlattr.c
index 80ff9fe83696..9c99f5daa4d2 100644
--- a/lib/nlattr.c
+++ b/lib/nlattr.c
@@ -323,6 +323,37 @@ static int nla_validate_int_range(const struct nla_policy *pt,
}
}
+static int nla_validate_mask(const struct nla_policy *pt,
+ const struct nlattr *nla,
+ struct netlink_ext_ack *extack)
+{
+ u64 value;
+
+ switch (pt->type) {
+ case NLA_U8:
+ value = nla_get_u8(nla);
+ break;
+ case NLA_U16:
+ value = nla_get_u16(nla);
+ break;
+ case NLA_U32:
+ value = nla_get_u32(nla);
+ break;
+ case NLA_U64:
+ value = nla_get_u64(nla);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (value & ~(u64)pt->mask) {
+ NL_SET_ERR_MSG_ATTR(extack, nla, "reserved bit set");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int validate_nla(const struct nlattr *nla, int maxtype,
const struct nla_policy *policy, unsigned int validate,
struct netlink_ext_ack *extack, unsigned int depth)
@@ -503,6 +534,11 @@ static int validate_nla(const struct nlattr *nla, int maxtype,
if (err)
return err;
break;
+ case NLA_VALIDATE_MASK:
+ err = nla_validate_mask(pt, nla, extack);
+ if (err)
+ return err;
+ break;
case NLA_VALIDATE_FUNCTION:
if (pt->validate) {
err = pt->validate(nla, extack);
diff --git a/net/ethtool/bitset.c b/net/ethtool/bitset.c
index dae7402eaca3..1fb3603d92ad 100644
--- a/net/ethtool/bitset.c
+++ b/net/ethtool/bitset.c
@@ -302,8 +302,7 @@ nla_put_failure:
return -EMSGSIZE;
}
-static const struct nla_policy bitset_policy[ETHTOOL_A_BITSET_MAX + 1] = {
- [ETHTOOL_A_BITSET_UNSPEC] = { .type = NLA_REJECT },
+static const struct nla_policy bitset_policy[] = {
[ETHTOOL_A_BITSET_NOMASK] = { .type = NLA_FLAG },
[ETHTOOL_A_BITSET_SIZE] = NLA_POLICY_MAX(NLA_U32,
ETHNL_MAX_BITSET_SIZE),
@@ -312,8 +311,7 @@ static const struct nla_policy bitset_policy[ETHTOOL_A_BITSET_MAX + 1] = {
[ETHTOOL_A_BITSET_MASK] = { .type = NLA_BINARY },
};
-static const struct nla_policy bit_policy[ETHTOOL_A_BITSET_BIT_MAX + 1] = {
- [ETHTOOL_A_BITSET_BIT_UNSPEC] = { .type = NLA_REJECT },
+static const struct nla_policy bit_policy[] = {
[ETHTOOL_A_BITSET_BIT_INDEX] = { .type = NLA_U32 },
[ETHTOOL_A_BITSET_BIT_NAME] = { .type = NLA_NUL_STRING },
[ETHTOOL_A_BITSET_BIT_VALUE] = { .type = NLA_FLAG },
@@ -329,10 +327,10 @@ static const struct nla_policy bit_policy[ETHTOOL_A_BITSET_BIT_MAX + 1] = {
*/
int ethnl_bitset_is_compact(const struct nlattr *bitset, bool *compact)
{
- struct nlattr *tb[ETHTOOL_A_BITSET_MAX + 1];
+ struct nlattr *tb[ARRAY_SIZE(bitset_policy)];
int ret;
- ret = nla_parse_nested(tb, ETHTOOL_A_BITSET_MAX, bitset,
+ ret = nla_parse_nested(tb, ARRAY_SIZE(bitset_policy) - 1, bitset,
bitset_policy, NULL);
if (ret < 0)
return ret;
@@ -381,10 +379,10 @@ static int ethnl_parse_bit(unsigned int *index, bool *val, unsigned int nbits,
ethnl_string_array_t names,
struct netlink_ext_ack *extack)
{
- struct nlattr *tb[ETHTOOL_A_BITSET_BIT_MAX + 1];
+ struct nlattr *tb[ARRAY_SIZE(bit_policy)];
int ret, idx;
- ret = nla_parse_nested(tb, ETHTOOL_A_BITSET_BIT_MAX, bit_attr,
+ ret = nla_parse_nested(tb, ARRAY_SIZE(bit_policy) - 1, bit_attr,
bit_policy, extack);
if (ret < 0)
return ret;
@@ -555,15 +553,15 @@ int ethnl_update_bitset32(u32 *bitmap, unsigned int nbits,
const struct nlattr *attr, ethnl_string_array_t names,
struct netlink_ext_ack *extack, bool *mod)
{
- struct nlattr *tb[ETHTOOL_A_BITSET_MAX + 1];
+ struct nlattr *tb[ARRAY_SIZE(bitset_policy)];
unsigned int change_bits;
bool no_mask;
int ret;
if (!attr)
return 0;
- ret = nla_parse_nested(tb, ETHTOOL_A_BITSET_MAX, attr, bitset_policy,
- extack);
+ ret = nla_parse_nested(tb, ARRAY_SIZE(bitset_policy) - 1, attr,
+ bitset_policy, extack);
if (ret < 0)
return ret;
@@ -608,7 +606,7 @@ int ethnl_parse_bitset(unsigned long *val, unsigned long *mask,
ethnl_string_array_t names,
struct netlink_ext_ack *extack)
{
- struct nlattr *tb[ETHTOOL_A_BITSET_MAX + 1];
+ struct nlattr *tb[ARRAY_SIZE(bitset_policy)];
const struct nlattr *bit_attr;
bool no_mask;
int rem;
@@ -616,8 +614,8 @@ int ethnl_parse_bitset(unsigned long *val, unsigned long *mask,
if (!attr)
return 0;
- ret = nla_parse_nested(tb, ETHTOOL_A_BITSET_MAX, attr, bitset_policy,
- extack);
+ ret = nla_parse_nested(tb, ARRAY_SIZE(bitset_policy) - 1, attr,
+ bitset_policy, extack);
if (ret < 0)
return ret;
no_mask = tb[ETHTOOL_A_BITSET_NOMASK];
diff --git a/net/ethtool/cabletest.c b/net/ethtool/cabletest.c
index 888f6e101f34..63560bbb7d1f 100644
--- a/net/ethtool/cabletest.c
+++ b/net/ethtool/cabletest.c
@@ -11,10 +11,9 @@
*/
#define MAX_CABLE_LENGTH_CM (150 * 100)
-static const struct nla_policy
-cable_test_act_policy[ETHTOOL_A_CABLE_TEST_MAX + 1] = {
- [ETHTOOL_A_CABLE_TEST_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_CABLE_TEST_HEADER] = { .type = NLA_NESTED },
+const struct nla_policy ethnl_cable_test_act_policy[] = {
+ [ETHTOOL_A_CABLE_TEST_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
};
static int ethnl_cable_test_started(struct phy_device *phydev, u8 cmd)
@@ -56,18 +55,12 @@ out:
int ethnl_act_cable_test(struct sk_buff *skb, struct genl_info *info)
{
- struct nlattr *tb[ETHTOOL_A_CABLE_TEST_MAX + 1];
struct ethnl_req_info req_info = {};
const struct ethtool_phy_ops *ops;
+ struct nlattr **tb = info->attrs;
struct net_device *dev;
int ret;
- ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
- ETHTOOL_A_CABLE_TEST_MAX,
- cable_test_act_policy, info->extack);
- if (ret < 0)
- return ret;
-
ret = ethnl_parse_header_dev_get(&req_info,
tb[ETHTOOL_A_CABLE_TEST_HEADER],
genl_info_net(info), info->extack,
@@ -218,18 +211,16 @@ struct cable_test_tdr_req_info {
struct ethnl_req_info base;
};
-static const struct nla_policy
-cable_test_tdr_act_cfg_policy[ETHTOOL_A_CABLE_TEST_TDR_CFG_MAX + 1] = {
+static const struct nla_policy cable_test_tdr_act_cfg_policy[] = {
[ETHTOOL_A_CABLE_TEST_TDR_CFG_FIRST] = { .type = NLA_U32 },
[ETHTOOL_A_CABLE_TEST_TDR_CFG_LAST] = { .type = NLA_U32 },
[ETHTOOL_A_CABLE_TEST_TDR_CFG_STEP] = { .type = NLA_U32 },
[ETHTOOL_A_CABLE_TEST_TDR_CFG_PAIR] = { .type = NLA_U8 },
};
-static const struct nla_policy
-cable_test_tdr_act_policy[ETHTOOL_A_CABLE_TEST_TDR_MAX + 1] = {
- [ETHTOOL_A_CABLE_TEST_TDR_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_CABLE_TEST_TDR_HEADER] = { .type = NLA_NESTED },
+const struct nla_policy ethnl_cable_test_tdr_act_policy[] = {
+ [ETHTOOL_A_CABLE_TEST_TDR_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
[ETHTOOL_A_CABLE_TEST_TDR_CFG] = { .type = NLA_NESTED },
};
@@ -238,7 +229,7 @@ static int ethnl_act_cable_test_tdr_cfg(const struct nlattr *nest,
struct genl_info *info,
struct phy_tdr_config *cfg)
{
- struct nlattr *tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_MAX + 1];
+ struct nlattr *tb[ARRAY_SIZE(cable_test_tdr_act_cfg_policy)];
int ret;
cfg->first = 100;
@@ -249,8 +240,10 @@ static int ethnl_act_cable_test_tdr_cfg(const struct nlattr *nest,
if (!nest)
return 0;
- ret = nla_parse_nested(tb, ETHTOOL_A_CABLE_TEST_TDR_CFG_MAX, nest,
- cable_test_tdr_act_cfg_policy, info->extack);
+ ret = nla_parse_nested(tb,
+ ARRAY_SIZE(cable_test_tdr_act_cfg_policy) - 1,
+ nest, cable_test_tdr_act_cfg_policy,
+ info->extack);
if (ret < 0)
return ret;
@@ -313,19 +306,13 @@ static int ethnl_act_cable_test_tdr_cfg(const struct nlattr *nest,
int ethnl_act_cable_test_tdr(struct sk_buff *skb, struct genl_info *info)
{
- struct nlattr *tb[ETHTOOL_A_CABLE_TEST_TDR_MAX + 1];
struct ethnl_req_info req_info = {};
const struct ethtool_phy_ops *ops;
+ struct nlattr **tb = info->attrs;
struct phy_tdr_config cfg;
struct net_device *dev;
int ret;
- ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
- ETHTOOL_A_CABLE_TEST_TDR_MAX,
- cable_test_tdr_act_policy, info->extack);
- if (ret < 0)
- return ret;
-
ret = ethnl_parse_header_dev_get(&req_info,
tb[ETHTOOL_A_CABLE_TEST_TDR_HEADER],
genl_info_net(info), info->extack,
diff --git a/net/ethtool/channels.c b/net/ethtool/channels.c
index 9ecda09ecb11..5635604cb9ba 100644
--- a/net/ethtool/channels.c
+++ b/net/ethtool/channels.c
@@ -17,18 +17,9 @@ struct channels_reply_data {
#define CHANNELS_REPDATA(__reply_base) \
container_of(__reply_base, struct channels_reply_data, base)
-static const struct nla_policy
-channels_get_policy[ETHTOOL_A_CHANNELS_MAX + 1] = {
- [ETHTOOL_A_CHANNELS_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_CHANNELS_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_CHANNELS_RX_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_CHANNELS_TX_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_CHANNELS_OTHER_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_CHANNELS_COMBINED_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_CHANNELS_RX_COUNT] = { .type = NLA_REJECT },
- [ETHTOOL_A_CHANNELS_TX_COUNT] = { .type = NLA_REJECT },
- [ETHTOOL_A_CHANNELS_OTHER_COUNT] = { .type = NLA_REJECT },
- [ETHTOOL_A_CHANNELS_COMBINED_COUNT] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_channels_get_policy[] = {
+ [ETHTOOL_A_CHANNELS_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
};
static int channels_prepare_data(const struct ethnl_req_info *req_base,
@@ -99,10 +90,8 @@ const struct ethnl_request_ops ethnl_channels_request_ops = {
.request_cmd = ETHTOOL_MSG_CHANNELS_GET,
.reply_cmd = ETHTOOL_MSG_CHANNELS_GET_REPLY,
.hdr_attr = ETHTOOL_A_CHANNELS_HEADER,
- .max_attr = ETHTOOL_A_CHANNELS_MAX,
.req_info_size = sizeof(struct channels_req_info),
.reply_data_size = sizeof(struct channels_reply_data),
- .request_policy = channels_get_policy,
.prepare_data = channels_prepare_data,
.reply_size = channels_reply_size,
@@ -111,14 +100,9 @@ const struct ethnl_request_ops ethnl_channels_request_ops = {
/* CHANNELS_SET */
-static const struct nla_policy
-channels_set_policy[ETHTOOL_A_CHANNELS_MAX + 1] = {
- [ETHTOOL_A_CHANNELS_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_CHANNELS_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_CHANNELS_RX_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_CHANNELS_TX_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_CHANNELS_OTHER_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_CHANNELS_COMBINED_MAX] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_channels_set_policy[] = {
+ [ETHTOOL_A_CHANNELS_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
[ETHTOOL_A_CHANNELS_RX_COUNT] = { .type = NLA_U32 },
[ETHTOOL_A_CHANNELS_TX_COUNT] = { .type = NLA_U32 },
[ETHTOOL_A_CHANNELS_OTHER_COUNT] = { .type = NLA_U32 },
@@ -127,22 +111,17 @@ channels_set_policy[ETHTOOL_A_CHANNELS_MAX + 1] = {
int ethnl_set_channels(struct sk_buff *skb, struct genl_info *info)
{
- struct nlattr *tb[ETHTOOL_A_CHANNELS_MAX + 1];
unsigned int from_channel, old_total, i;
bool mod = false, mod_combined = false;
struct ethtool_channels channels = {};
struct ethnl_req_info req_info = {};
+ struct nlattr **tb = info->attrs;
const struct nlattr *err_attr;
const struct ethtool_ops *ops;
struct net_device *dev;
u32 max_rx_in_use = 0;
int ret;
- ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
- ETHTOOL_A_CHANNELS_MAX, channels_set_policy,
- info->extack);
- if (ret < 0)
- return ret;
ret = ethnl_parse_header_dev_get(&req_info,
tb[ETHTOOL_A_CHANNELS_HEADER],
genl_info_net(info), info->extack,
diff --git a/net/ethtool/coalesce.c b/net/ethtool/coalesce.c
index 6afd99042d67..1d6bc132aa4d 100644
--- a/net/ethtool/coalesce.c
+++ b/net/ethtool/coalesce.c
@@ -51,32 +51,9 @@ __CHECK_SUPPORTED_OFFSET(COALESCE_TX_USECS_HIGH);
__CHECK_SUPPORTED_OFFSET(COALESCE_TX_MAX_FRAMES_HIGH);
__CHECK_SUPPORTED_OFFSET(COALESCE_RATE_SAMPLE_INTERVAL);
-static const struct nla_policy
-coalesce_get_policy[ETHTOOL_A_COALESCE_MAX + 1] = {
- [ETHTOOL_A_COALESCE_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_COALESCE_RX_USECS] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_RX_MAX_FRAMES] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_RX_USECS_IRQ] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_RX_MAX_FRAMES_IRQ] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_TX_USECS] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_TX_MAX_FRAMES] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_TX_USECS_IRQ] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_TX_MAX_FRAMES_IRQ] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_STATS_BLOCK_USECS] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_USE_ADAPTIVE_RX] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_USE_ADAPTIVE_TX] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_PKT_RATE_LOW] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_RX_USECS_LOW] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_RX_MAX_FRAMES_LOW] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_TX_USECS_LOW] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_TX_MAX_FRAMES_LOW] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_PKT_RATE_HIGH] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_RX_USECS_HIGH] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_RX_MAX_FRAMES_HIGH] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_TX_USECS_HIGH] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_coalesce_get_policy[] = {
+ [ETHTOOL_A_COALESCE_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
};
static int coalesce_prepare_data(const struct ethnl_req_info *req_base,
@@ -203,10 +180,8 @@ const struct ethnl_request_ops ethnl_coalesce_request_ops = {
.request_cmd = ETHTOOL_MSG_COALESCE_GET,
.reply_cmd = ETHTOOL_MSG_COALESCE_GET_REPLY,
.hdr_attr = ETHTOOL_A_COALESCE_HEADER,
- .max_attr = ETHTOOL_A_COALESCE_MAX,
.req_info_size = sizeof(struct coalesce_req_info),
.reply_data_size = sizeof(struct coalesce_reply_data),
- .request_policy = coalesce_get_policy,
.prepare_data = coalesce_prepare_data,
.reply_size = coalesce_reply_size,
@@ -215,10 +190,9 @@ const struct ethnl_request_ops ethnl_coalesce_request_ops = {
/* COALESCE_SET */
-static const struct nla_policy
-coalesce_set_policy[ETHTOOL_A_COALESCE_MAX + 1] = {
- [ETHTOOL_A_COALESCE_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_COALESCE_HEADER] = { .type = NLA_NESTED },
+const struct nla_policy ethnl_coalesce_set_policy[] = {
+ [ETHTOOL_A_COALESCE_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
[ETHTOOL_A_COALESCE_RX_USECS] = { .type = NLA_U32 },
[ETHTOOL_A_COALESCE_RX_MAX_FRAMES] = { .type = NLA_U32 },
[ETHTOOL_A_COALESCE_RX_USECS_IRQ] = { .type = NLA_U32 },
@@ -245,9 +219,9 @@ coalesce_set_policy[ETHTOOL_A_COALESCE_MAX + 1] = {
int ethnl_set_coalesce(struct sk_buff *skb, struct genl_info *info)
{
- struct nlattr *tb[ETHTOOL_A_COALESCE_MAX + 1];
struct ethtool_coalesce coalesce = {};
struct ethnl_req_info req_info = {};
+ struct nlattr **tb = info->attrs;
const struct ethtool_ops *ops;
struct net_device *dev;
u32 supported_params;
@@ -255,11 +229,6 @@ int ethnl_set_coalesce(struct sk_buff *skb, struct genl_info *info)
int ret;
u16 a;
- ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
- ETHTOOL_A_COALESCE_MAX, coalesce_set_policy,
- info->extack);
- if (ret < 0)
- return ret;
ret = ethnl_parse_header_dev_get(&req_info,
tb[ETHTOOL_A_COALESCE_HEADER],
genl_info_net(info), info->extack,
diff --git a/net/ethtool/debug.c b/net/ethtool/debug.c
index 1bd026a29f3f..f99912d7957e 100644
--- a/net/ethtool/debug.c
+++ b/net/ethtool/debug.c
@@ -16,11 +16,9 @@ struct debug_reply_data {
#define DEBUG_REPDATA(__reply_base) \
container_of(__reply_base, struct debug_reply_data, base)
-static const struct nla_policy
-debug_get_policy[ETHTOOL_A_DEBUG_MAX + 1] = {
- [ETHTOOL_A_DEBUG_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_DEBUG_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_DEBUG_MSGMASK] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_debug_get_policy[] = {
+ [ETHTOOL_A_DEBUG_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
};
static int debug_prepare_data(const struct ethnl_req_info *req_base,
@@ -69,10 +67,8 @@ const struct ethnl_request_ops ethnl_debug_request_ops = {
.request_cmd = ETHTOOL_MSG_DEBUG_GET,
.reply_cmd = ETHTOOL_MSG_DEBUG_GET_REPLY,
.hdr_attr = ETHTOOL_A_DEBUG_HEADER,
- .max_attr = ETHTOOL_A_DEBUG_MAX,
.req_info_size = sizeof(struct debug_req_info),
.reply_data_size = sizeof(struct debug_reply_data),
- .request_policy = debug_get_policy,
.prepare_data = debug_prepare_data,
.reply_size = debug_reply_size,
@@ -81,27 +77,21 @@ const struct ethnl_request_ops ethnl_debug_request_ops = {
/* DEBUG_SET */
-static const struct nla_policy
-debug_set_policy[ETHTOOL_A_DEBUG_MAX + 1] = {
- [ETHTOOL_A_DEBUG_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_DEBUG_HEADER] = { .type = NLA_NESTED },
+const struct nla_policy ethnl_debug_set_policy[] = {
+ [ETHTOOL_A_DEBUG_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
[ETHTOOL_A_DEBUG_MSGMASK] = { .type = NLA_NESTED },
};
int ethnl_set_debug(struct sk_buff *skb, struct genl_info *info)
{
- struct nlattr *tb[ETHTOOL_A_DEBUG_MAX + 1];
struct ethnl_req_info req_info = {};
+ struct nlattr **tb = info->attrs;
struct net_device *dev;
bool mod = false;
u32 msg_mask;
int ret;
- ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
- ETHTOOL_A_DEBUG_MAX, debug_set_policy,
- info->extack);
- if (ret < 0)
- return ret;
ret = ethnl_parse_header_dev_get(&req_info,
tb[ETHTOOL_A_DEBUG_HEADER],
genl_info_net(info), info->extack,
diff --git a/net/ethtool/eee.c b/net/ethtool/eee.c
index 94aa19cff22f..901b7de941ab 100644
--- a/net/ethtool/eee.c
+++ b/net/ethtool/eee.c
@@ -19,16 +19,9 @@ struct eee_reply_data {
#define EEE_REPDATA(__reply_base) \
container_of(__reply_base, struct eee_reply_data, base)
-static const struct nla_policy
-eee_get_policy[ETHTOOL_A_EEE_MAX + 1] = {
- [ETHTOOL_A_EEE_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_EEE_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_EEE_MODES_OURS] = { .type = NLA_REJECT },
- [ETHTOOL_A_EEE_MODES_PEER] = { .type = NLA_REJECT },
- [ETHTOOL_A_EEE_ACTIVE] = { .type = NLA_REJECT },
- [ETHTOOL_A_EEE_ENABLED] = { .type = NLA_REJECT },
- [ETHTOOL_A_EEE_TX_LPI_ENABLED] = { .type = NLA_REJECT },
- [ETHTOOL_A_EEE_TX_LPI_TIMER] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_eee_get_policy[] = {
+ [ETHTOOL_A_EEE_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
};
static int eee_prepare_data(const struct ethnl_req_info *req_base,
@@ -119,10 +112,8 @@ const struct ethnl_request_ops ethnl_eee_request_ops = {
.request_cmd = ETHTOOL_MSG_EEE_GET,
.reply_cmd = ETHTOOL_MSG_EEE_GET_REPLY,
.hdr_attr = ETHTOOL_A_EEE_HEADER,
- .max_attr = ETHTOOL_A_EEE_MAX,
.req_info_size = sizeof(struct eee_req_info),
.reply_data_size = sizeof(struct eee_reply_data),
- .request_policy = eee_get_policy,
.prepare_data = eee_prepare_data,
.reply_size = eee_reply_size,
@@ -131,13 +122,10 @@ const struct ethnl_request_ops ethnl_eee_request_ops = {
/* EEE_SET */
-static const struct nla_policy
-eee_set_policy[ETHTOOL_A_EEE_MAX + 1] = {
- [ETHTOOL_A_EEE_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_EEE_HEADER] = { .type = NLA_NESTED },
+const struct nla_policy ethnl_eee_set_policy[] = {
+ [ETHTOOL_A_EEE_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
[ETHTOOL_A_EEE_MODES_OURS] = { .type = NLA_NESTED },
- [ETHTOOL_A_EEE_MODES_PEER] = { .type = NLA_REJECT },
- [ETHTOOL_A_EEE_ACTIVE] = { .type = NLA_REJECT },
[ETHTOOL_A_EEE_ENABLED] = { .type = NLA_U8 },
[ETHTOOL_A_EEE_TX_LPI_ENABLED] = { .type = NLA_U8 },
[ETHTOOL_A_EEE_TX_LPI_TIMER] = { .type = NLA_U32 },
@@ -145,18 +133,14 @@ eee_set_policy[ETHTOOL_A_EEE_MAX + 1] = {
int ethnl_set_eee(struct sk_buff *skb, struct genl_info *info)
{
- struct nlattr *tb[ETHTOOL_A_EEE_MAX + 1];
- struct ethtool_eee eee = {};
struct ethnl_req_info req_info = {};
+ struct nlattr **tb = info->attrs;
const struct ethtool_ops *ops;
+ struct ethtool_eee eee = {};
struct net_device *dev;
bool mod = false;
int ret;
- ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb, ETHTOOL_A_EEE_MAX,
- eee_set_policy, info->extack);
- if (ret < 0)
- return ret;
ret = ethnl_parse_header_dev_get(&req_info,
tb[ETHTOOL_A_EEE_HEADER],
genl_info_net(info), info->extack,
diff --git a/net/ethtool/features.c b/net/ethtool/features.c
index 495635f152ba..8ee4cdbd6b82 100644
--- a/net/ethtool/features.c
+++ b/net/ethtool/features.c
@@ -20,14 +20,9 @@ struct features_reply_data {
#define FEATURES_REPDATA(__reply_base) \
container_of(__reply_base, struct features_reply_data, base)
-static const struct nla_policy
-features_get_policy[ETHTOOL_A_FEATURES_MAX + 1] = {
- [ETHTOOL_A_FEATURES_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_FEATURES_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_FEATURES_HW] = { .type = NLA_REJECT },
- [ETHTOOL_A_FEATURES_WANTED] = { .type = NLA_REJECT },
- [ETHTOOL_A_FEATURES_ACTIVE] = { .type = NLA_REJECT },
- [ETHTOOL_A_FEATURES_NOCHANGE] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_features_get_policy[] = {
+ [ETHTOOL_A_FEATURES_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
};
static void ethnl_features_to_bitmap32(u32 *dest, netdev_features_t src)
@@ -120,10 +115,8 @@ const struct ethnl_request_ops ethnl_features_request_ops = {
.request_cmd = ETHTOOL_MSG_FEATURES_GET,
.reply_cmd = ETHTOOL_MSG_FEATURES_GET_REPLY,
.hdr_attr = ETHTOOL_A_FEATURES_HEADER,
- .max_attr = ETHTOOL_A_FEATURES_MAX,
.req_info_size = sizeof(struct features_req_info),
.reply_data_size = sizeof(struct features_reply_data),
- .request_policy = features_get_policy,
.prepare_data = features_prepare_data,
.reply_size = features_reply_size,
@@ -132,14 +125,10 @@ const struct ethnl_request_ops ethnl_features_request_ops = {
/* FEATURES_SET */
-static const struct nla_policy
-features_set_policy[ETHTOOL_A_FEATURES_MAX + 1] = {
- [ETHTOOL_A_FEATURES_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_FEATURES_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_FEATURES_HW] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_features_set_policy[] = {
+ [ETHTOOL_A_FEATURES_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
[ETHTOOL_A_FEATURES_WANTED] = { .type = NLA_NESTED },
- [ETHTOOL_A_FEATURES_ACTIVE] = { .type = NLA_REJECT },
- [ETHTOOL_A_FEATURES_NOCHANGE] = { .type = NLA_REJECT },
};
static void ethnl_features_to_bitmap(unsigned long *dest, netdev_features_t val)
@@ -229,17 +218,12 @@ int ethnl_set_features(struct sk_buff *skb, struct genl_info *info)
DECLARE_BITMAP(new_wanted, NETDEV_FEATURE_COUNT);
DECLARE_BITMAP(req_wanted, NETDEV_FEATURE_COUNT);
DECLARE_BITMAP(req_mask, NETDEV_FEATURE_COUNT);
- struct nlattr *tb[ETHTOOL_A_FEATURES_MAX + 1];
struct ethnl_req_info req_info = {};
+ struct nlattr **tb = info->attrs;
struct net_device *dev;
bool mod;
int ret;
- ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
- ETHTOOL_A_FEATURES_MAX, features_set_policy,
- info->extack);
- if (ret < 0)
- return ret;
if (!tb[ETHTOOL_A_FEATURES_WANTED])
return -EINVAL;
ret = ethnl_parse_header_dev_get(&req_info,
diff --git a/net/ethtool/linkinfo.c b/net/ethtool/linkinfo.c
index 5eaf173eaaca..b91839870efc 100644
--- a/net/ethtool/linkinfo.c
+++ b/net/ethtool/linkinfo.c
@@ -16,15 +16,9 @@ struct linkinfo_reply_data {
#define LINKINFO_REPDATA(__reply_base) \
container_of(__reply_base, struct linkinfo_reply_data, base)
-static const struct nla_policy
-linkinfo_get_policy[ETHTOOL_A_LINKINFO_MAX + 1] = {
- [ETHTOOL_A_LINKINFO_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKINFO_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_LINKINFO_PORT] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKINFO_PHYADDR] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKINFO_TP_MDIX] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKINFO_TP_MDIX_CTRL] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKINFO_TRANSCEIVER] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_linkinfo_get_policy[] = {
+ [ETHTOOL_A_LINKINFO_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
};
static int linkinfo_prepare_data(const struct ethnl_req_info *req_base,
@@ -83,10 +77,8 @@ const struct ethnl_request_ops ethnl_linkinfo_request_ops = {
.request_cmd = ETHTOOL_MSG_LINKINFO_GET,
.reply_cmd = ETHTOOL_MSG_LINKINFO_GET_REPLY,
.hdr_attr = ETHTOOL_A_LINKINFO_HEADER,
- .max_attr = ETHTOOL_A_LINKINFO_MAX,
.req_info_size = sizeof(struct linkinfo_req_info),
.reply_data_size = sizeof(struct linkinfo_reply_data),
- .request_policy = linkinfo_get_policy,
.prepare_data = linkinfo_prepare_data,
.reply_size = linkinfo_reply_size,
@@ -95,32 +87,24 @@ const struct ethnl_request_ops ethnl_linkinfo_request_ops = {
/* LINKINFO_SET */
-static const struct nla_policy
-linkinfo_set_policy[ETHTOOL_A_LINKINFO_MAX + 1] = {
- [ETHTOOL_A_LINKINFO_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKINFO_HEADER] = { .type = NLA_NESTED },
+const struct nla_policy ethnl_linkinfo_set_policy[] = {
+ [ETHTOOL_A_LINKINFO_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
[ETHTOOL_A_LINKINFO_PORT] = { .type = NLA_U8 },
[ETHTOOL_A_LINKINFO_PHYADDR] = { .type = NLA_U8 },
- [ETHTOOL_A_LINKINFO_TP_MDIX] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKINFO_TP_MDIX_CTRL] = { .type = NLA_U8 },
- [ETHTOOL_A_LINKINFO_TRANSCEIVER] = { .type = NLA_REJECT },
};
int ethnl_set_linkinfo(struct sk_buff *skb, struct genl_info *info)
{
- struct nlattr *tb[ETHTOOL_A_LINKINFO_MAX + 1];
struct ethtool_link_ksettings ksettings = {};
struct ethtool_link_settings *lsettings;
struct ethnl_req_info req_info = {};
+ struct nlattr **tb = info->attrs;
struct net_device *dev;
bool mod = false;
int ret;
- ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
- ETHTOOL_A_LINKINFO_MAX, linkinfo_set_policy,
- info->extack);
- if (ret < 0)
- return ret;
ret = ethnl_parse_header_dev_get(&req_info,
tb[ETHTOOL_A_LINKINFO_HEADER],
genl_info_net(info), info->extack,
diff --git a/net/ethtool/linkmodes.c b/net/ethtool/linkmodes.c
index 29dcd675b65a..c5bcb9abc8b9 100644
--- a/net/ethtool/linkmodes.c
+++ b/net/ethtool/linkmodes.c
@@ -18,17 +18,9 @@ struct linkmodes_reply_data {
#define LINKMODES_REPDATA(__reply_base) \
container_of(__reply_base, struct linkmodes_reply_data, base)
-static const struct nla_policy
-linkmodes_get_policy[ETHTOOL_A_LINKMODES_MAX + 1] = {
- [ETHTOOL_A_LINKMODES_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKMODES_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_LINKMODES_AUTONEG] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKMODES_OURS] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKMODES_PEER] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKMODES_SPEED] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKMODES_DUPLEX] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_linkmodes_get_policy[] = {
+ [ETHTOOL_A_LINKMODES_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
};
static int linkmodes_prepare_data(const struct ethnl_req_info *req_base,
@@ -148,10 +140,8 @@ const struct ethnl_request_ops ethnl_linkmodes_request_ops = {
.request_cmd = ETHTOOL_MSG_LINKMODES_GET,
.reply_cmd = ETHTOOL_MSG_LINKMODES_GET_REPLY,
.hdr_attr = ETHTOOL_A_LINKMODES_HEADER,
- .max_attr = ETHTOOL_A_LINKMODES_MAX,
.req_info_size = sizeof(struct linkmodes_req_info),
.reply_data_size = sizeof(struct linkmodes_reply_data),
- .request_policy = linkmodes_get_policy,
.prepare_data = linkmodes_prepare_data,
.reply_size = linkmodes_reply_size,
@@ -276,17 +266,14 @@ static const struct link_mode_info link_mode_params[] = {
__DEFINE_LINK_MODE_PARAMS(100, FX, Full),
};
-static const struct nla_policy
-linkmodes_set_policy[ETHTOOL_A_LINKMODES_MAX + 1] = {
- [ETHTOOL_A_LINKMODES_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKMODES_HEADER] = { .type = NLA_NESTED },
+const struct nla_policy ethnl_linkmodes_set_policy[] = {
+ [ETHTOOL_A_LINKMODES_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
[ETHTOOL_A_LINKMODES_AUTONEG] = { .type = NLA_U8 },
[ETHTOOL_A_LINKMODES_OURS] = { .type = NLA_NESTED },
- [ETHTOOL_A_LINKMODES_PEER] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKMODES_SPEED] = { .type = NLA_U32 },
[ETHTOOL_A_LINKMODES_DUPLEX] = { .type = NLA_U8 },
[ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG] = { .type = NLA_U8 },
- [ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE] = { .type = NLA_REJECT },
};
/* Set advertised link modes to all supported modes matching requested speed
@@ -392,18 +379,13 @@ static int ethnl_update_linkmodes(struct genl_info *info, struct nlattr **tb,
int ethnl_set_linkmodes(struct sk_buff *skb, struct genl_info *info)
{
- struct nlattr *tb[ETHTOOL_A_LINKMODES_MAX + 1];
struct ethtool_link_ksettings ksettings = {};
struct ethnl_req_info req_info = {};
+ struct nlattr **tb = info->attrs;
struct net_device *dev;
bool mod = false;
int ret;
- ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
- ETHTOOL_A_LINKMODES_MAX, linkmodes_set_policy,
- info->extack);
- if (ret < 0)
- return ret;
ret = ethnl_parse_header_dev_get(&req_info,
tb[ETHTOOL_A_LINKMODES_HEADER],
genl_info_net(info), info->extack,
diff --git a/net/ethtool/linkstate.c b/net/ethtool/linkstate.c
index 4834091ec24c..fb676f349455 100644
--- a/net/ethtool/linkstate.c
+++ b/net/ethtool/linkstate.c
@@ -20,15 +20,9 @@ struct linkstate_reply_data {
#define LINKSTATE_REPDATA(__reply_base) \
container_of(__reply_base, struct linkstate_reply_data, base)
-static const struct nla_policy
-linkstate_get_policy[ETHTOOL_A_LINKSTATE_MAX + 1] = {
- [ETHTOOL_A_LINKSTATE_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKSTATE_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_LINKSTATE_LINK] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKSTATE_SQI] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKSTATE_SQI_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKSTATE_EXT_STATE] = { .type = NLA_REJECT },
- [ETHTOOL_A_LINKSTATE_EXT_SUBSTATE] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_linkstate_get_policy[] = {
+ [ETHTOOL_A_LINKSTATE_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
};
static int linkstate_get_sqi(struct net_device *dev)
@@ -179,10 +173,8 @@ const struct ethnl_request_ops ethnl_linkstate_request_ops = {
.request_cmd = ETHTOOL_MSG_LINKSTATE_GET,
.reply_cmd = ETHTOOL_MSG_LINKSTATE_GET_REPLY,
.hdr_attr = ETHTOOL_A_LINKSTATE_HEADER,
- .max_attr = ETHTOOL_A_LINKSTATE_MAX,
.req_info_size = sizeof(struct linkstate_req_info),
.reply_data_size = sizeof(struct linkstate_reply_data),
- .request_policy = linkstate_get_policy,
.prepare_data = linkstate_prepare_data,
.reply_size = linkstate_reply_size,
diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c
index 0c3f54baec4e..8a85a4e6be9b 100644
--- a/net/ethtool/netlink.c
+++ b/net/ethtool/netlink.c
@@ -9,12 +9,24 @@ static struct genl_family ethtool_genl_family;
static bool ethnl_ok __read_mostly;
static u32 ethnl_bcast_seq;
-static const struct nla_policy ethnl_header_policy[ETHTOOL_A_HEADER_MAX + 1] = {
- [ETHTOOL_A_HEADER_UNSPEC] = { .type = NLA_REJECT },
+#define ETHTOOL_FLAGS_BASIC (ETHTOOL_FLAG_COMPACT_BITSETS | \
+ ETHTOOL_FLAG_OMIT_REPLY)
+#define ETHTOOL_FLAGS_STATS (ETHTOOL_FLAGS_BASIC | ETHTOOL_FLAG_STATS)
+
+const struct nla_policy ethnl_header_policy[] = {
[ETHTOOL_A_HEADER_DEV_INDEX] = { .type = NLA_U32 },
[ETHTOOL_A_HEADER_DEV_NAME] = { .type = NLA_NUL_STRING,
.len = ALTIFNAMSIZ - 1 },
- [ETHTOOL_A_HEADER_FLAGS] = { .type = NLA_U32 },
+ [ETHTOOL_A_HEADER_FLAGS] = NLA_POLICY_MASK(NLA_U32,
+ ETHTOOL_FLAGS_BASIC),
+};
+
+const struct nla_policy ethnl_header_policy_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),
};
/**
@@ -37,7 +49,7 @@ 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[ETHTOOL_A_HEADER_MAX + 1];
+ struct nlattr *tb[ARRAY_SIZE(ethnl_header_policy)];
const struct nlattr *devname_attr;
struct net_device *dev = NULL;
u32 flags = 0;
@@ -47,19 +59,15 @@ int ethnl_parse_header_dev_get(struct ethnl_req_info *req_info,
NL_SET_ERR_MSG(extack, "request header missing");
return -EINVAL;
}
- ret = nla_parse_nested(tb, ETHTOOL_A_HEADER_MAX, header,
- ethnl_header_policy, extack);
+ /* 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,
+ NULL, extack);
if (ret < 0)
return ret;
- if (tb[ETHTOOL_A_HEADER_FLAGS]) {
+ if (tb[ETHTOOL_A_HEADER_FLAGS])
flags = nla_get_u32(tb[ETHTOOL_A_HEADER_FLAGS]);
- if (flags & ~ETHTOOL_FLAG_ALL) {
- NL_SET_ERR_MSG_ATTR(extack, tb[ETHTOOL_A_HEADER_FLAGS],
- "unrecognized request flags");
- nl_set_extack_cookie_u32(extack, ETHTOOL_FLAG_ALL);
- return -EOPNOTSUPP;
- }
- }
devname_attr = tb[ETHTOOL_A_HEADER_DEV_NAME];
if (tb[ETHTOOL_A_HEADER_DEV_INDEX]) {
@@ -247,7 +255,7 @@ static struct ethnl_dump_ctx *ethnl_dump_context(struct netlink_callback *cb)
/**
* ethnl_default_parse() - Parse request message
* @req_info: pointer to structure to put data into
- * @nlhdr: pointer to request message header
+ * @tb: parsed attributes
* @net: request netns
* @request_ops: struct request_ops for request type
* @extack: netlink extack for error reporting
@@ -259,37 +267,24 @@ static struct ethnl_dump_ctx *ethnl_dump_context(struct netlink_callback *cb)
* Return: 0 on success or negative error code
*/
static int ethnl_default_parse(struct ethnl_req_info *req_info,
- const struct nlmsghdr *nlhdr, struct net *net,
+ struct nlattr **tb, struct net *net,
const struct ethnl_request_ops *request_ops,
struct netlink_ext_ack *extack, bool require_dev)
{
- struct nlattr **tb;
int ret;
- tb = kmalloc_array(request_ops->max_attr + 1, sizeof(tb[0]),
- GFP_KERNEL);
- if (!tb)
- return -ENOMEM;
-
- ret = nlmsg_parse(nlhdr, GENL_HDRLEN, tb, request_ops->max_attr,
- request_ops->request_policy, extack);
- if (ret < 0)
- goto out;
ret = ethnl_parse_header_dev_get(req_info, tb[request_ops->hdr_attr],
net, extack, require_dev);
if (ret < 0)
- goto out;
+ return ret;
if (request_ops->parse_request) {
ret = request_ops->parse_request(req_info, tb, extack);
if (ret < 0)
- goto out;
+ return ret;
}
- ret = 0;
-out:
- kfree(tb);
- return ret;
+ return 0;
}
/**
@@ -334,8 +329,8 @@ static int ethnl_default_doit(struct sk_buff *skb, struct genl_info *info)
return -ENOMEM;
}
- ret = ethnl_default_parse(req_info, info->nlhdr, genl_info_net(info), ops,
- info->extack, !ops->allow_nodev_do);
+ ret = ethnl_default_parse(req_info, info->attrs, genl_info_net(info),
+ ops, info->extack, !ops->allow_nodev_do);
if (ret < 0)
goto err_dev;
ethnl_init_reply_data(reply_data, ops, req_info->dev);
@@ -480,6 +475,7 @@ out:
/* generic ->start() handler for GET requests */
static int ethnl_default_start(struct netlink_callback *cb)
{
+ const struct genl_dumpit_info *info = genl_dumpit_info(cb);
struct ethnl_dump_ctx *ctx = ethnl_dump_context(cb);
struct ethnl_reply_data *reply_data;
const struct ethnl_request_ops *ops;
@@ -502,8 +498,8 @@ static int ethnl_default_start(struct netlink_callback *cb)
goto free_req_info;
}
- ret = ethnl_default_parse(req_info, cb->nlh, sock_net(cb->skb->sk), ops,
- cb->extack, false);
+ ret = ethnl_default_parse(req_info, info->attrs, sock_net(cb->skb->sk),
+ ops, cb->extack, false);
if (req_info->dev) {
/* We ignore device specification in dump requests but as the
* same parser as for non-dump (doit) requests is used, it
@@ -696,6 +692,8 @@ static const struct genl_ops ethtool_genl_ops[] = {
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
+ .policy = ethnl_strset_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_strset_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_LINKINFO_GET,
@@ -703,11 +701,15 @@ static const struct genl_ops ethtool_genl_ops[] = {
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
+ .policy = ethnl_linkinfo_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_linkinfo_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_LINKINFO_SET,
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_set_linkinfo,
+ .policy = ethnl_linkinfo_set_policy,
+ .maxattr = ARRAY_SIZE(ethnl_linkinfo_set_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_LINKMODES_GET,
@@ -715,11 +717,15 @@ static const struct genl_ops ethtool_genl_ops[] = {
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
+ .policy = ethnl_linkmodes_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_linkmodes_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_LINKMODES_SET,
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_set_linkmodes,
+ .policy = ethnl_linkmodes_set_policy,
+ .maxattr = ARRAY_SIZE(ethnl_linkmodes_set_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_LINKSTATE_GET,
@@ -727,6 +733,8 @@ static const struct genl_ops ethtool_genl_ops[] = {
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
+ .policy = ethnl_linkstate_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_linkstate_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_DEBUG_GET,
@@ -734,11 +742,15 @@ static const struct genl_ops ethtool_genl_ops[] = {
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
+ .policy = ethnl_debug_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_debug_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_DEBUG_SET,
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_set_debug,
+ .policy = ethnl_debug_set_policy,
+ .maxattr = ARRAY_SIZE(ethnl_debug_set_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_WOL_GET,
@@ -747,11 +759,15 @@ static const struct genl_ops ethtool_genl_ops[] = {
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
+ .policy = ethnl_wol_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_wol_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_WOL_SET,
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_set_wol,
+ .policy = ethnl_wol_set_policy,
+ .maxattr = ARRAY_SIZE(ethnl_wol_set_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_FEATURES_GET,
@@ -759,11 +775,15 @@ static const struct genl_ops ethtool_genl_ops[] = {
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
+ .policy = ethnl_features_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_features_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_FEATURES_SET,
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_set_features,
+ .policy = ethnl_features_set_policy,
+ .maxattr = ARRAY_SIZE(ethnl_features_set_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_PRIVFLAGS_GET,
@@ -771,11 +791,15 @@ static const struct genl_ops ethtool_genl_ops[] = {
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
+ .policy = ethnl_privflags_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_privflags_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_PRIVFLAGS_SET,
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_set_privflags,
+ .policy = ethnl_privflags_set_policy,
+ .maxattr = ARRAY_SIZE(ethnl_privflags_set_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_RINGS_GET,
@@ -783,11 +807,15 @@ static const struct genl_ops ethtool_genl_ops[] = {
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
+ .policy = ethnl_rings_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_rings_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_RINGS_SET,
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_set_rings,
+ .policy = ethnl_rings_set_policy,
+ .maxattr = ARRAY_SIZE(ethnl_rings_set_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_CHANNELS_GET,
@@ -795,11 +823,15 @@ static const struct genl_ops ethtool_genl_ops[] = {
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
+ .policy = ethnl_channels_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_channels_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_CHANNELS_SET,
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_set_channels,
+ .policy = ethnl_channels_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_channels_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_COALESCE_GET,
@@ -807,11 +839,15 @@ static const struct genl_ops ethtool_genl_ops[] = {
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
+ .policy = ethnl_coalesce_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_coalesce_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_COALESCE_SET,
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_set_coalesce,
+ .policy = ethnl_coalesce_set_policy,
+ .maxattr = ARRAY_SIZE(ethnl_coalesce_set_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_PAUSE_GET,
@@ -819,11 +855,15 @@ static const struct genl_ops ethtool_genl_ops[] = {
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
+ .policy = ethnl_pause_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_pause_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_PAUSE_SET,
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_set_pause,
+ .policy = ethnl_pause_set_policy,
+ .maxattr = ARRAY_SIZE(ethnl_pause_set_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_EEE_GET,
@@ -831,11 +871,15 @@ static const struct genl_ops ethtool_genl_ops[] = {
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
+ .policy = ethnl_eee_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_eee_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_EEE_SET,
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_set_eee,
+ .policy = ethnl_eee_set_policy,
+ .maxattr = ARRAY_SIZE(ethnl_eee_set_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_TSINFO_GET,
@@ -843,22 +887,30 @@ static const struct genl_ops ethtool_genl_ops[] = {
.start = ethnl_default_start,
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
+ .policy = ethnl_tsinfo_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_tsinfo_get_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_CABLE_TEST_ACT,
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_act_cable_test,
+ .policy = ethnl_cable_test_act_policy,
+ .maxattr = ARRAY_SIZE(ethnl_cable_test_act_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_CABLE_TEST_TDR_ACT,
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_act_cable_test_tdr,
+ .policy = ethnl_cable_test_tdr_act_policy,
+ .maxattr = ARRAY_SIZE(ethnl_cable_test_tdr_act_policy) - 1,
},
{
.cmd = ETHTOOL_MSG_TUNNEL_INFO_GET,
.doit = ethnl_tunnel_info_doit,
.start = ethnl_tunnel_info_start,
.dumpit = ethnl_tunnel_info_dumpit,
+ .policy = ethnl_tunnel_info_get_policy,
+ .maxattr = ARRAY_SIZE(ethnl_tunnel_info_get_policy) - 1,
},
};
diff --git a/net/ethtool/netlink.h b/net/ethtool/netlink.h
index e2085005caac..3f5719786b0f 100644
--- a/net/ethtool/netlink.h
+++ b/net/ethtool/netlink.h
@@ -266,10 +266,8 @@ static inline void ethnl_ops_complete(struct net_device *dev)
* @request_cmd: command id for request (GET)
* @reply_cmd: command id for reply (GET_REPLY)
* @hdr_attr: attribute type for request header
- * @max_attr: maximum (top level) attribute type
* @req_info_size: size of request info
* @reply_data_size: size of reply data
- * @request_policy: netlink policy for message contents
* @allow_nodev_do: allow non-dump request with no device identification
* @parse_request:
* Parse request except common header (struct ethnl_req_info). Common
@@ -312,10 +310,8 @@ struct ethnl_request_ops {
u8 request_cmd;
u8 reply_cmd;
u16 hdr_attr;
- unsigned int max_attr;
unsigned int req_info_size;
unsigned int reply_data_size;
- const struct nla_policy *request_policy;
bool allow_nodev_do;
int (*parse_request)(struct ethnl_req_info *req_info,
@@ -349,6 +345,37 @@ extern const struct ethnl_request_ops ethnl_pause_request_ops;
extern const struct ethnl_request_ops ethnl_eee_request_ops;
extern const struct ethnl_request_ops ethnl_tsinfo_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_strset_get_policy[ETHTOOL_A_STRSET_STRINGSETS + 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];
+extern const struct nla_policy ethnl_linkmodes_get_policy[ETHTOOL_A_LINKMODES_HEADER + 1];
+extern const struct nla_policy ethnl_linkmodes_set_policy[ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG + 1];
+extern const struct nla_policy ethnl_linkstate_get_policy[ETHTOOL_A_LINKSTATE_HEADER + 1];
+extern const struct nla_policy ethnl_debug_get_policy[ETHTOOL_A_DEBUG_HEADER + 1];
+extern const struct nla_policy ethnl_debug_set_policy[ETHTOOL_A_DEBUG_MSGMASK + 1];
+extern const struct nla_policy ethnl_wol_get_policy[ETHTOOL_A_WOL_HEADER + 1];
+extern const struct nla_policy ethnl_wol_set_policy[ETHTOOL_A_WOL_SOPASS + 1];
+extern const struct nla_policy ethnl_features_get_policy[ETHTOOL_A_FEATURES_HEADER + 1];
+extern const struct nla_policy ethnl_features_set_policy[ETHTOOL_A_FEATURES_WANTED + 1];
+extern const struct nla_policy ethnl_privflags_get_policy[ETHTOOL_A_PRIVFLAGS_HEADER + 1];
+extern const struct nla_policy ethnl_privflags_set_policy[ETHTOOL_A_PRIVFLAGS_FLAGS + 1];
+extern const struct nla_policy ethnl_rings_get_policy[ETHTOOL_A_RINGS_HEADER + 1];
+extern const struct nla_policy ethnl_rings_set_policy[ETHTOOL_A_RINGS_TX + 1];
+extern const struct nla_policy ethnl_channels_get_policy[ETHTOOL_A_CHANNELS_HEADER + 1];
+extern const struct nla_policy ethnl_channels_set_policy[ETHTOOL_A_CHANNELS_COMBINED_COUNT + 1];
+extern const struct nla_policy ethnl_coalesce_get_policy[ETHTOOL_A_COALESCE_HEADER + 1];
+extern const struct nla_policy ethnl_coalesce_set_policy[ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL + 1];
+extern const struct nla_policy ethnl_pause_get_policy[ETHTOOL_A_PAUSE_HEADER + 1];
+extern const struct nla_policy ethnl_pause_set_policy[ETHTOOL_A_PAUSE_TX + 1];
+extern const struct nla_policy ethnl_eee_get_policy[ETHTOOL_A_EEE_HEADER + 1];
+extern const struct nla_policy ethnl_eee_set_policy[ETHTOOL_A_EEE_TX_LPI_TIMER + 1];
+extern const struct nla_policy ethnl_tsinfo_get_policy[ETHTOOL_A_TSINFO_HEADER + 1];
+extern const struct nla_policy ethnl_cable_test_act_policy[ETHTOOL_A_CABLE_TEST_HEADER + 1];
+extern const struct nla_policy ethnl_cable_test_tdr_act_policy[ETHTOOL_A_CABLE_TEST_TDR_CFG + 1];
+extern const struct nla_policy ethnl_tunnel_info_get_policy[ETHTOOL_A_TUNNEL_INFO_HEADER + 1];
+
int ethnl_set_linkinfo(struct sk_buff *skb, struct genl_info *info);
int ethnl_set_linkmodes(struct sk_buff *skb, struct genl_info *info);
int ethnl_set_debug(struct sk_buff *skb, struct genl_info *info);
diff --git a/net/ethtool/pause.c b/net/ethtool/pause.c
index 1980aa7eb2b6..09998dc5c185 100644
--- a/net/ethtool/pause.c
+++ b/net/ethtool/pause.c
@@ -16,14 +16,9 @@ struct pause_reply_data {
#define PAUSE_REPDATA(__reply_base) \
container_of(__reply_base, struct pause_reply_data, base)
-static const struct nla_policy
-pause_get_policy[ETHTOOL_A_PAUSE_MAX + 1] = {
- [ETHTOOL_A_PAUSE_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_PAUSE_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_PAUSE_AUTONEG] = { .type = NLA_REJECT },
- [ETHTOOL_A_PAUSE_RX] = { .type = NLA_REJECT },
- [ETHTOOL_A_PAUSE_TX] = { .type = NLA_REJECT },
- [ETHTOOL_A_PAUSE_STATS] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_pause_get_policy[] = {
+ [ETHTOOL_A_PAUSE_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy_stats),
};
static void ethtool_stats_init(u64 *stats, unsigned int n)
@@ -130,10 +125,8 @@ const struct ethnl_request_ops ethnl_pause_request_ops = {
.request_cmd = ETHTOOL_MSG_PAUSE_GET,
.reply_cmd = ETHTOOL_MSG_PAUSE_GET_REPLY,
.hdr_attr = ETHTOOL_A_PAUSE_HEADER,
- .max_attr = ETHTOOL_A_PAUSE_MAX,
.req_info_size = sizeof(struct pause_req_info),
.reply_data_size = sizeof(struct pause_reply_data),
- .request_policy = pause_get_policy,
.prepare_data = pause_prepare_data,
.reply_size = pause_reply_size,
@@ -142,30 +135,24 @@ const struct ethnl_request_ops ethnl_pause_request_ops = {
/* PAUSE_SET */
-static const struct nla_policy
-pause_set_policy[ETHTOOL_A_PAUSE_MAX + 1] = {
- [ETHTOOL_A_PAUSE_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_PAUSE_HEADER] = { .type = NLA_NESTED },
+const struct nla_policy ethnl_pause_set_policy[] = {
+ [ETHTOOL_A_PAUSE_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
[ETHTOOL_A_PAUSE_AUTONEG] = { .type = NLA_U8 },
[ETHTOOL_A_PAUSE_RX] = { .type = NLA_U8 },
[ETHTOOL_A_PAUSE_TX] = { .type = NLA_U8 },
- [ETHTOOL_A_PAUSE_STATS] = { .type = NLA_REJECT },
};
int ethnl_set_pause(struct sk_buff *skb, struct genl_info *info)
{
- struct nlattr *tb[ETHTOOL_A_PAUSE_MAX + 1];
struct ethtool_pauseparam params = {};
struct ethnl_req_info req_info = {};
+ struct nlattr **tb = info->attrs;
const struct ethtool_ops *ops;
struct net_device *dev;
bool mod = false;
int ret;
- ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb, ETHTOOL_A_PAUSE_MAX,
- pause_set_policy, info->extack);
- if (ret < 0)
- return ret;
ret = ethnl_parse_header_dev_get(&req_info,
tb[ETHTOOL_A_PAUSE_HEADER],
genl_info_net(info), info->extack,
diff --git a/net/ethtool/privflags.c b/net/ethtool/privflags.c
index 77447dceb109..fc9f3be23a19 100644
--- a/net/ethtool/privflags.c
+++ b/net/ethtool/privflags.c
@@ -18,11 +18,9 @@ struct privflags_reply_data {
#define PRIVFLAGS_REPDATA(__reply_base) \
container_of(__reply_base, struct privflags_reply_data, base)
-static const struct nla_policy
-privflags_get_policy[ETHTOOL_A_PRIVFLAGS_MAX + 1] = {
- [ETHTOOL_A_PRIVFLAGS_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_PRIVFLAGS_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_PRIVFLAGS_FLAGS] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_privflags_get_policy[] = {
+ [ETHTOOL_A_PRIVFLAGS_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
};
static int ethnl_get_priv_flags_info(struct net_device *dev,
@@ -124,10 +122,8 @@ const struct ethnl_request_ops ethnl_privflags_request_ops = {
.request_cmd = ETHTOOL_MSG_PRIVFLAGS_GET,
.reply_cmd = ETHTOOL_MSG_PRIVFLAGS_GET_REPLY,
.hdr_attr = ETHTOOL_A_PRIVFLAGS_HEADER,
- .max_attr = ETHTOOL_A_PRIVFLAGS_MAX,
.req_info_size = sizeof(struct privflags_req_info),
.reply_data_size = sizeof(struct privflags_reply_data),
- .request_policy = privflags_get_policy,
.prepare_data = privflags_prepare_data,
.reply_size = privflags_reply_size,
@@ -137,18 +133,17 @@ const struct ethnl_request_ops ethnl_privflags_request_ops = {
/* PRIVFLAGS_SET */
-static const struct nla_policy
-privflags_set_policy[ETHTOOL_A_PRIVFLAGS_MAX + 1] = {
- [ETHTOOL_A_PRIVFLAGS_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_PRIVFLAGS_HEADER] = { .type = NLA_NESTED },
+const struct nla_policy ethnl_privflags_set_policy[] = {
+ [ETHTOOL_A_PRIVFLAGS_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
[ETHTOOL_A_PRIVFLAGS_FLAGS] = { .type = NLA_NESTED },
};
int ethnl_set_privflags(struct sk_buff *skb, struct genl_info *info)
{
- struct nlattr *tb[ETHTOOL_A_PRIVFLAGS_MAX + 1];
const char (*names)[ETH_GSTRING_LEN] = NULL;
struct ethnl_req_info req_info = {};
+ struct nlattr **tb = info->attrs;
const struct ethtool_ops *ops;
struct net_device *dev;
unsigned int nflags;
@@ -157,11 +152,6 @@ int ethnl_set_privflags(struct sk_buff *skb, struct genl_info *info)
u32 flags;
int ret;
- ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
- ETHTOOL_A_PRIVFLAGS_MAX, privflags_set_policy,
- info->extack);
- if (ret < 0)
- return ret;
if (!tb[ETHTOOL_A_PRIVFLAGS_FLAGS])
return -EINVAL;
ret = ethnl_bitset_is_compact(tb[ETHTOOL_A_PRIVFLAGS_FLAGS], &compact);
diff --git a/net/ethtool/rings.c b/net/ethtool/rings.c
index 5422526f4eef..4e097812a967 100644
--- a/net/ethtool/rings.c
+++ b/net/ethtool/rings.c
@@ -15,18 +15,9 @@ struct rings_reply_data {
#define RINGS_REPDATA(__reply_base) \
container_of(__reply_base, struct rings_reply_data, base)
-static const struct nla_policy
-rings_get_policy[ETHTOOL_A_RINGS_MAX + 1] = {
- [ETHTOOL_A_RINGS_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_RINGS_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_RINGS_RX_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_RINGS_RX_MINI_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_RINGS_RX_JUMBO_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_RINGS_TX_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_RINGS_RX] = { .type = NLA_REJECT },
- [ETHTOOL_A_RINGS_RX_MINI] = { .type = NLA_REJECT },
- [ETHTOOL_A_RINGS_RX_JUMBO] = { .type = NLA_REJECT },
- [ETHTOOL_A_RINGS_TX] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_rings_get_policy[] = {
+ [ETHTOOL_A_RINGS_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
};
static int rings_prepare_data(const struct ethnl_req_info *req_base,
@@ -97,10 +88,8 @@ const struct ethnl_request_ops ethnl_rings_request_ops = {
.request_cmd = ETHTOOL_MSG_RINGS_GET,
.reply_cmd = ETHTOOL_MSG_RINGS_GET_REPLY,
.hdr_attr = ETHTOOL_A_RINGS_HEADER,
- .max_attr = ETHTOOL_A_RINGS_MAX,
.req_info_size = sizeof(struct rings_req_info),
.reply_data_size = sizeof(struct rings_reply_data),
- .request_policy = rings_get_policy,
.prepare_data = rings_prepare_data,
.reply_size = rings_reply_size,
@@ -109,14 +98,9 @@ const struct ethnl_request_ops ethnl_rings_request_ops = {
/* RINGS_SET */
-static const struct nla_policy
-rings_set_policy[ETHTOOL_A_RINGS_MAX + 1] = {
- [ETHTOOL_A_RINGS_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_RINGS_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_RINGS_RX_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_RINGS_RX_MINI_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_RINGS_RX_JUMBO_MAX] = { .type = NLA_REJECT },
- [ETHTOOL_A_RINGS_TX_MAX] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_rings_set_policy[] = {
+ [ETHTOOL_A_RINGS_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
[ETHTOOL_A_RINGS_RX] = { .type = NLA_U32 },
[ETHTOOL_A_RINGS_RX_MINI] = { .type = NLA_U32 },
[ETHTOOL_A_RINGS_RX_JUMBO] = { .type = NLA_U32 },
@@ -125,20 +109,15 @@ rings_set_policy[ETHTOOL_A_RINGS_MAX + 1] = {
int ethnl_set_rings(struct sk_buff *skb, struct genl_info *info)
{
- struct nlattr *tb[ETHTOOL_A_RINGS_MAX + 1];
struct ethtool_ringparam ringparam = {};
struct ethnl_req_info req_info = {};
+ struct nlattr **tb = info->attrs;
const struct nlattr *err_attr;
const struct ethtool_ops *ops;
struct net_device *dev;
bool mod = false;
int ret;
- ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
- ETHTOOL_A_RINGS_MAX, rings_set_policy,
- info->extack);
- if (ret < 0)
- return ret;
ret = ethnl_parse_header_dev_get(&req_info,
tb[ETHTOOL_A_RINGS_HEADER],
genl_info_net(info), info->extack,
diff --git a/net/ethtool/strset.c b/net/ethtool/strset.c
index 82707b662fe4..0734e83c674c 100644
--- a/net/ethtool/strset.c
+++ b/net/ethtool/strset.c
@@ -99,18 +99,14 @@ struct strset_reply_data {
#define STRSET_REPDATA(__reply_base) \
container_of(__reply_base, struct strset_reply_data, base)
-static const struct nla_policy strset_get_policy[ETHTOOL_A_STRSET_MAX + 1] = {
- [ETHTOOL_A_STRSET_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_STRSET_HEADER] = { .type = NLA_NESTED },
+const struct nla_policy ethnl_strset_get_policy[] = {
+ [ETHTOOL_A_STRSET_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
[ETHTOOL_A_STRSET_STRINGSETS] = { .type = NLA_NESTED },
};
-static const struct nla_policy
-get_stringset_policy[ETHTOOL_A_STRINGSET_MAX + 1] = {
- [ETHTOOL_A_STRINGSET_UNSPEC] = { .type = NLA_REJECT },
+static const struct nla_policy get_stringset_policy[] = {
[ETHTOOL_A_STRINGSET_ID] = { .type = NLA_U32 },
- [ETHTOOL_A_STRINGSET_COUNT] = { .type = NLA_REJECT },
- [ETHTOOL_A_STRINGSET_STRINGS] = { .type = NLA_REJECT },
};
/**
@@ -138,10 +134,10 @@ static bool strset_include(const struct strset_req_info *info,
static int strset_get_id(const struct nlattr *nest, u32 *val,
struct netlink_ext_ack *extack)
{
- struct nlattr *tb[ETHTOOL_A_STRINGSET_MAX + 1];
+ struct nlattr *tb[ARRAY_SIZE(get_stringset_policy)];
int ret;
- ret = nla_parse_nested(tb, ETHTOOL_A_STRINGSET_MAX, nest,
+ ret = nla_parse_nested(tb, ARRAY_SIZE(get_stringset_policy) - 1, nest,
get_stringset_policy, extack);
if (ret < 0)
return ret;
@@ -152,9 +148,7 @@ static int strset_get_id(const struct nlattr *nest, u32 *val,
return 0;
}
-static const struct nla_policy
-strset_stringsets_policy[ETHTOOL_A_STRINGSETS_MAX + 1] = {
- [ETHTOOL_A_STRINGSETS_UNSPEC] = { .type = NLA_REJECT },
+static const struct nla_policy strset_stringsets_policy[] = {
[ETHTOOL_A_STRINGSETS_STRINGSET] = { .type = NLA_NESTED },
};
@@ -169,7 +163,8 @@ static int strset_parse_request(struct ethnl_req_info *req_base,
if (!nest)
return 0;
- ret = nla_validate_nested(nest, ETHTOOL_A_STRINGSETS_MAX,
+ ret = nla_validate_nested(nest,
+ ARRAY_SIZE(strset_stringsets_policy) - 1,
strset_stringsets_policy, extack);
if (ret < 0)
return ret;
@@ -445,10 +440,8 @@ const struct ethnl_request_ops ethnl_strset_request_ops = {
.request_cmd = ETHTOOL_MSG_STRSET_GET,
.reply_cmd = ETHTOOL_MSG_STRSET_GET_REPLY,
.hdr_attr = ETHTOOL_A_STRSET_HEADER,
- .max_attr = ETHTOOL_A_STRSET_MAX,
.req_info_size = sizeof(struct strset_req_info),
.reply_data_size = sizeof(struct strset_reply_data),
- .request_policy = strset_get_policy,
.allow_nodev_do = true,
.parse_request = strset_parse_request,
diff --git a/net/ethtool/tsinfo.c b/net/ethtool/tsinfo.c
index 7cb5b512b77c..63b5814bd460 100644
--- a/net/ethtool/tsinfo.c
+++ b/net/ethtool/tsinfo.c
@@ -18,14 +18,9 @@ struct tsinfo_reply_data {
#define TSINFO_REPDATA(__reply_base) \
container_of(__reply_base, struct tsinfo_reply_data, base)
-static const struct nla_policy
-tsinfo_get_policy[ETHTOOL_A_TSINFO_MAX + 1] = {
- [ETHTOOL_A_TSINFO_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_TSINFO_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_TSINFO_TIMESTAMPING] = { .type = NLA_REJECT },
- [ETHTOOL_A_TSINFO_TX_TYPES] = { .type = NLA_REJECT },
- [ETHTOOL_A_TSINFO_RX_FILTERS] = { .type = NLA_REJECT },
- [ETHTOOL_A_TSINFO_PHC_INDEX] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_tsinfo_get_policy[] = {
+ [ETHTOOL_A_TSINFO_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
};
static int tsinfo_prepare_data(const struct ethnl_req_info *req_base,
@@ -132,10 +127,8 @@ const struct ethnl_request_ops ethnl_tsinfo_request_ops = {
.request_cmd = ETHTOOL_MSG_TSINFO_GET,
.reply_cmd = ETHTOOL_MSG_TSINFO_GET_REPLY,
.hdr_attr = ETHTOOL_A_TSINFO_HEADER,
- .max_attr = ETHTOOL_A_TSINFO_MAX,
.req_info_size = sizeof(struct tsinfo_req_info),
.reply_data_size = sizeof(struct tsinfo_reply_data),
- .request_policy = tsinfo_get_policy,
.prepare_data = tsinfo_prepare_data,
.reply_size = tsinfo_reply_size,
diff --git a/net/ethtool/tunnels.c b/net/ethtool/tunnels.c
index d93bf2da0f34..e7f2ee0d2471 100644
--- a/net/ethtool/tunnels.c
+++ b/net/ethtool/tunnels.c
@@ -8,10 +8,9 @@
#include "common.h"
#include "netlink.h"
-static const struct nla_policy
-ethtool_tunnel_info_policy[ETHTOOL_A_TUNNEL_INFO_MAX + 1] = {
- [ETHTOOL_A_TUNNEL_INFO_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_TUNNEL_INFO_HEADER] = { .type = NLA_NESTED },
+const struct nla_policy ethnl_tunnel_info_get_policy[] = {
+ [ETHTOOL_A_TUNNEL_INFO_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
};
static_assert(ETHTOOL_UDP_TUNNEL_TYPE_VXLAN == ilog2(UDP_TUNNEL_TYPE_VXLAN));
@@ -161,35 +160,19 @@ err_cancel_ports:
return -EMSGSIZE;
}
-static int
-ethnl_tunnel_info_req_parse(struct ethnl_req_info *req_info,
- const struct nlmsghdr *nlhdr, struct net *net,
- struct netlink_ext_ack *extack, bool require_dev)
-{
- struct nlattr *tb[ETHTOOL_A_TUNNEL_INFO_MAX + 1];
- int ret;
-
- ret = nlmsg_parse(nlhdr, GENL_HDRLEN, tb, ETHTOOL_A_TUNNEL_INFO_MAX,
- ethtool_tunnel_info_policy, extack);
- if (ret < 0)
- return ret;
-
- return ethnl_parse_header_dev_get(req_info,
- tb[ETHTOOL_A_TUNNEL_INFO_HEADER],
- net, extack, require_dev);
-}
-
int ethnl_tunnel_info_doit(struct sk_buff *skb, struct genl_info *info)
{
struct ethnl_req_info req_info = {};
+ struct nlattr **tb = info->attrs;
struct sk_buff *rskb;
void *reply_payload;
int reply_len;
int ret;
- ret = ethnl_tunnel_info_req_parse(&req_info, info->nlhdr,
- genl_info_net(info), info->extack,
- true);
+ ret = ethnl_parse_header_dev_get(&req_info,
+ tb[ETHTOOL_A_TUNNEL_INFO_HEADER],
+ genl_info_net(info), info->extack,
+ true);
if (ret < 0)
return ret;
@@ -233,16 +216,19 @@ struct ethnl_tunnel_info_dump_ctx {
int ethnl_tunnel_info_start(struct netlink_callback *cb)
{
+ const struct genl_dumpit_info *info = genl_dumpit_info(cb);
struct ethnl_tunnel_info_dump_ctx *ctx = (void *)cb->ctx;
+ struct nlattr **tb = info->attrs;
int ret;
BUILD_BUG_ON(sizeof(*ctx) > sizeof(cb->ctx));
memset(ctx, 0, sizeof(*ctx));
- ret = ethnl_tunnel_info_req_parse(&ctx->req_info, cb->nlh,
- sock_net(cb->skb->sk), cb->extack,
- false);
+ ret = ethnl_parse_header_dev_get(&ctx->req_info,
+ tb[ETHTOOL_A_TUNNEL_INFO_HEADER],
+ sock_net(cb->skb->sk), cb->extack,
+ false);
if (ctx->req_info.dev) {
dev_put(ctx->req_info.dev);
ctx->req_info.dev = NULL;
diff --git a/net/ethtool/wol.c b/net/ethtool/wol.c
index 1798421e9f1c..ada7df2331d2 100644
--- a/net/ethtool/wol.c
+++ b/net/ethtool/wol.c
@@ -17,12 +17,9 @@ struct wol_reply_data {
#define WOL_REPDATA(__reply_base) \
container_of(__reply_base, struct wol_reply_data, base)
-static const struct nla_policy
-wol_get_policy[ETHTOOL_A_WOL_MAX + 1] = {
- [ETHTOOL_A_WOL_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_WOL_HEADER] = { .type = NLA_NESTED },
- [ETHTOOL_A_WOL_MODES] = { .type = NLA_REJECT },
- [ETHTOOL_A_WOL_SOPASS] = { .type = NLA_REJECT },
+const struct nla_policy ethnl_wol_get_policy[] = {
+ [ETHTOOL_A_WOL_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
};
static int wol_prepare_data(const struct ethnl_req_info *req_base,
@@ -89,10 +86,8 @@ const struct ethnl_request_ops ethnl_wol_request_ops = {
.request_cmd = ETHTOOL_MSG_WOL_GET,
.reply_cmd = ETHTOOL_MSG_WOL_GET_REPLY,
.hdr_attr = ETHTOOL_A_WOL_HEADER,
- .max_attr = ETHTOOL_A_WOL_MAX,
.req_info_size = sizeof(struct wol_req_info),
.reply_data_size = sizeof(struct wol_reply_data),
- .request_policy = wol_get_policy,
.prepare_data = wol_prepare_data,
.reply_size = wol_reply_size,
@@ -101,10 +96,9 @@ const struct ethnl_request_ops ethnl_wol_request_ops = {
/* WOL_SET */
-static const struct nla_policy
-wol_set_policy[ETHTOOL_A_WOL_MAX + 1] = {
- [ETHTOOL_A_WOL_UNSPEC] = { .type = NLA_REJECT },
- [ETHTOOL_A_WOL_HEADER] = { .type = NLA_NESTED },
+const struct nla_policy ethnl_wol_set_policy[] = {
+ [ETHTOOL_A_WOL_HEADER] =
+ NLA_POLICY_NESTED(ethnl_header_policy),
[ETHTOOL_A_WOL_MODES] = { .type = NLA_NESTED },
[ETHTOOL_A_WOL_SOPASS] = { .type = NLA_BINARY,
.len = SOPASS_MAX },
@@ -113,16 +107,12 @@ wol_set_policy[ETHTOOL_A_WOL_MAX + 1] = {
int ethnl_set_wol(struct sk_buff *skb, struct genl_info *info)
{
struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
- struct nlattr *tb[ETHTOOL_A_WOL_MAX + 1];
struct ethnl_req_info req_info = {};
+ struct nlattr **tb = info->attrs;
struct net_device *dev;
bool mod = false;
int ret;
- ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb, ETHTOOL_A_WOL_MAX,
- wol_set_policy, info->extack);
- if (ret < 0)
- return ret;
ret = ethnl_parse_header_dev_get(&req_info, tb[ETHTOOL_A_WOL_HEADER],
genl_info_net(info), info->extack,
true);
diff --git a/net/netlink/policy.c b/net/netlink/policy.c
index cf23c0151721..ee26d01328ee 100644
--- a/net/netlink/policy.c
+++ b/net/netlink/policy.c
@@ -263,6 +263,14 @@ send_attribute:
else
type = NL_ATTR_TYPE_U64;
+ if (pt->validation_type == NLA_VALIDATE_MASK) {
+ if (nla_put_u64_64bit(skb, NL_POLICY_TYPE_ATTR_MASK,
+ pt->mask,
+ NL_POLICY_TYPE_ATTR_PAD))
+ goto nla_put_failure;
+ break;
+ }
+
nla_get_range_unsigned(pt, &range);
if (nla_put_u64_64bit(skb, NL_POLICY_TYPE_ATTR_MIN_VALUE_U,
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-20 13:23:52 +0000