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genetlink: convert control family to split ops

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Prove that the split ops work.
Sadly we need to keep bug-wards compatibility and specify
the same policy for dump as do, even tho we don't parse
inputs for the dump.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski
2022-11-04 12:13:43 -07:00
committed by David S. Miller
parent b8fd60c36a
commit aba22ca8cc
1 changed files with 13 additions and 4 deletions
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17
net/netlink/genetlink.c
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@@ -1609,14 +1609,22 @@ static int ctrl_dumppolicy_done(struct netlink_callback *cb)
return 0; return 0;
} }
static const struct genl_ops genl_ctrl_ops[] = { static const struct genl_split_ops genl_ctrl_ops[] = {
{ {
.cmd = CTRL_CMD_GETFAMILY, .cmd = CTRL_CMD_GETFAMILY,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, .validate = GENL_DONT_VALIDATE_STRICT,
.policy = ctrl_policy_family, .policy = ctrl_policy_family,
.maxattr = ARRAY_SIZE(ctrl_policy_family) - 1, .maxattr = ARRAY_SIZE(ctrl_policy_family) - 1,
.doit = ctrl_getfamily, .doit = ctrl_getfamily,
.flags = GENL_CMD_CAP_DO,
},
{
.cmd = CTRL_CMD_GETFAMILY,
.validate = GENL_DONT_VALIDATE_DUMP,
.policy = ctrl_policy_family,
.maxattr = ARRAY_SIZE(ctrl_policy_family) - 1,
.dumpit = ctrl_dumpfamily, .dumpit = ctrl_dumpfamily,
.flags = GENL_CMD_CAP_DUMP,
}, },
{ {
.cmd = CTRL_CMD_GETPOLICY, .cmd = CTRL_CMD_GETPOLICY,
@@ -1625,6 +1633,7 @@ static const struct genl_ops genl_ctrl_ops[] = {
.start = ctrl_dumppolicy_start, .start = ctrl_dumppolicy_start,
.dumpit = ctrl_dumppolicy, .dumpit = ctrl_dumppolicy,
.done = ctrl_dumppolicy_done, .done = ctrl_dumppolicy_done,
.flags = GENL_CMD_CAP_DUMP,
}, },
}; };
@@ -1634,8 +1643,8 @@ static const struct genl_multicast_group genl_ctrl_groups[] = {
static struct genl_family genl_ctrl __ro_after_init = { static struct genl_family genl_ctrl __ro_after_init = {
.module = THIS_MODULE, .module = THIS_MODULE,
.ops = genl_ctrl_ops, .split_ops = genl_ctrl_ops,
.n_ops = ARRAY_SIZE(genl_ctrl_ops), .n_split_ops = ARRAY_SIZE(genl_ctrl_ops),
.resv_start_op = CTRL_CMD_GETPOLICY + 1, .resv_start_op = CTRL_CMD_GETPOLICY + 1,
.mcgrps = genl_ctrl_groups, .mcgrps = genl_ctrl_groups,
.n_mcgrps = ARRAY_SIZE(genl_ctrl_groups), .n_mcgrps = ARRAY_SIZE(genl_ctrl_groups),