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net: ieee802154: have genetlink code to parse the attrs during dumpit

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Benefit from the fact that the generic netlink code can parse the attrs
for dumpit op and avoid need to parse it in the op callback.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2019-10-05 20:04:37 +02:00 committed by David S. Miller
parent bf813b0afe
commit 75cdbdd089
1 changed files with 14 additions and 25 deletions
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39
net/ieee802154/nl802154.c
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@ -236,21 +236,14 @@ nl802154_prepare_wpan_dev_dump(struct sk_buff *skb,
struct cfg802154_registered_device **rdev, struct cfg802154_registered_device **rdev,
struct wpan_dev **wpan_dev) struct wpan_dev **wpan_dev)
{ {
const struct genl_dumpit_info *info = genl_dumpit_info(cb);
int err; int err;
rtnl_lock(); rtnl_lock();
if (!cb->args[0]) { if (!cb->args[0]) {
err = nlmsg_parse_deprecated(cb->nlh,
GENL_HDRLEN + nl802154_fam.hdrsize,
genl_family_attrbuf(&nl802154_fam),
nl802154_fam.maxattr,
nl802154_policy, NULL);
if (err)
goto out_unlock;
*wpan_dev = __cfg802154_wpan_dev_from_attrs(sock_net(skb->sk), *wpan_dev = __cfg802154_wpan_dev_from_attrs(sock_net(skb->sk),
genl_family_attrbuf(&nl802154_fam)); info->attrs);
if (IS_ERR(*wpan_dev)) { if (IS_ERR(*wpan_dev)) {
err = PTR_ERR(*wpan_dev); err = PTR_ERR(*wpan_dev);
goto out_unlock; goto out_unlock;
@ -557,17 +550,8 @@ static int nl802154_dump_wpan_phy_parse(struct sk_buff *skb,
struct netlink_callback *cb, struct netlink_callback *cb,
struct nl802154_dump_wpan_phy_state *state) struct nl802154_dump_wpan_phy_state *state)
{ {
struct nlattr **tb = genl_family_attrbuf(&nl802154_fam); const struct genl_dumpit_info *info = genl_dumpit_info(cb);
int ret = nlmsg_parse_deprecated(cb->nlh, struct nlattr **tb = info->attrs;
GENL_HDRLEN + nl802154_fam.hdrsize,
tb, nl802154_fam.maxattr,
nl802154_policy, NULL);
/* TODO check if we can handle error here,
* we have no backward compatibility
*/
if (ret)
return 0;
if (tb[NL802154_ATTR_WPAN_PHY]) if (tb[NL802154_ATTR_WPAN_PHY])
state->filter_wpan_phy = nla_get_u32(tb[NL802154_ATTR_WPAN_PHY]); state->filter_wpan_phy = nla_get_u32(tb[NL802154_ATTR_WPAN_PHY]);
@ -2203,7 +2187,8 @@ static void nl802154_post_doit(const struct genl_ops *ops, struct sk_buff *skb,
static const struct genl_ops nl802154_ops[] = { static const struct genl_ops nl802154_ops[] = {
{ {
.cmd = NL802154_CMD_GET_WPAN_PHY, .cmd = NL802154_CMD_GET_WPAN_PHY,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .validate = GENL_DONT_VALIDATE_STRICT |
GENL_DONT_VALIDATE_DUMP_STRICT,
.doit = nl802154_get_wpan_phy, .doit = nl802154_get_wpan_phy,
.dumpit = nl802154_dump_wpan_phy, .dumpit = nl802154_dump_wpan_phy,
.done = nl802154_dump_wpan_phy_done, .done = nl802154_dump_wpan_phy_done,
@ -2343,7 +2328,8 @@ static const struct genl_ops nl802154_ops[] = {
}, },
{ {
.cmd = NL802154_CMD_GET_SEC_KEY, .cmd = NL802154_CMD_GET_SEC_KEY,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .validate = GENL_DONT_VALIDATE_STRICT |
GENL_DONT_VALIDATE_DUMP_STRICT,
/* TODO .doit by matching key id? */ /* TODO .doit by matching key id? */
.dumpit = nl802154_dump_llsec_key, .dumpit = nl802154_dump_llsec_key,
.flags = GENL_ADMIN_PERM, .flags = GENL_ADMIN_PERM,
@ -2369,7 +2355,8 @@ static const struct genl_ops nl802154_ops[] = {
/* TODO unique identifier must short+pan OR extended_addr */ /* TODO unique identifier must short+pan OR extended_addr */
{ {
.cmd = NL802154_CMD_GET_SEC_DEV, .cmd = NL802154_CMD_GET_SEC_DEV,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .validate = GENL_DONT_VALIDATE_STRICT |
GENL_DONT_VALIDATE_DUMP_STRICT,
/* TODO .doit by matching extended_addr? */ /* TODO .doit by matching extended_addr? */
.dumpit = nl802154_dump_llsec_dev, .dumpit = nl802154_dump_llsec_dev,
.flags = GENL_ADMIN_PERM, .flags = GENL_ADMIN_PERM,
@ -2395,7 +2382,8 @@ static const struct genl_ops nl802154_ops[] = {
/* TODO remove complete devkey, put it as nested? */ /* TODO remove complete devkey, put it as nested? */
{ {
.cmd = NL802154_CMD_GET_SEC_DEVKEY, .cmd = NL802154_CMD_GET_SEC_DEVKEY,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .validate = GENL_DONT_VALIDATE_STRICT |
GENL_DONT_VALIDATE_DUMP_STRICT,
/* TODO doit by matching ??? */ /* TODO doit by matching ??? */
.dumpit = nl802154_dump_llsec_devkey, .dumpit = nl802154_dump_llsec_devkey,
.flags = GENL_ADMIN_PERM, .flags = GENL_ADMIN_PERM,
@ -2420,7 +2408,8 @@ static const struct genl_ops nl802154_ops[] = {
}, },
{ {
.cmd = NL802154_CMD_GET_SEC_LEVEL, .cmd = NL802154_CMD_GET_SEC_LEVEL,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .validate = GENL_DONT_VALIDATE_STRICT |
GENL_DONT_VALIDATE_DUMP_STRICT,
/* TODO .doit by matching frame_type? */ /* TODO .doit by matching frame_type? */
.dumpit = nl802154_dump_llsec_seclevel, .dumpit = nl802154_dump_llsec_seclevel,
.flags = GENL_ADMIN_PERM, .flags = GENL_ADMIN_PERM,