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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
| commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
| tree | 76267dbc9b9a130337be3640948fe397b04ac629 /net/sched/cls_route.c | |
| parent | Adding upstream version 6.6.15. (diff) | |
| download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip | |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/sched/cls_route.c')
| -rw-r--r-- | net/sched/cls_route.c | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c index 1e20bbd687..12a505db41 100644 --- a/net/sched/cls_route.c +++ b/net/sched/cls_route.c @@ -375,9 +375,9 @@ out: static const struct nla_policy route4_policy[TCA_ROUTE4_MAX + 1] = { [TCA_ROUTE4_CLASSID] = { .type = NLA_U32 }, - [TCA_ROUTE4_TO] = { .type = NLA_U32 }, - [TCA_ROUTE4_FROM] = { .type = NLA_U32 }, - [TCA_ROUTE4_IIF] = { .type = NLA_U32 }, + [TCA_ROUTE4_TO] = NLA_POLICY_MAX(NLA_U32, 0xFF), + [TCA_ROUTE4_FROM] = NLA_POLICY_MAX(NLA_U32, 0xFF), + [TCA_ROUTE4_IIF] = NLA_POLICY_MAX(NLA_U32, 0x7FFF), }; static int route4_set_parms(struct net *net, struct tcf_proto *tp, @@ -397,33 +397,37 @@ static int route4_set_parms(struct net *net, struct tcf_proto *tp, return err; if (tb[TCA_ROUTE4_TO]) { - if (new && handle & 0x8000) + if (new && handle & 0x8000) { + NL_SET_ERR_MSG(extack, "Invalid handle"); return -EINVAL; + } to = nla_get_u32(tb[TCA_ROUTE4_TO]); - if (to > 0xFF) - return -EINVAL; nhandle = to; } + if (tb[TCA_ROUTE4_FROM] && tb[TCA_ROUTE4_IIF]) { + NL_SET_ERR_MSG_ATTR(extack, tb[TCA_ROUTE4_FROM], + "'from' and 'fromif' are mutually exclusive"); + return -EINVAL; + } + if (tb[TCA_ROUTE4_FROM]) { - if (tb[TCA_ROUTE4_IIF]) - return -EINVAL; id = nla_get_u32(tb[TCA_ROUTE4_FROM]); - if (id > 0xFF) - return -EINVAL; nhandle |= id << 16; } else if (tb[TCA_ROUTE4_IIF]) { id = nla_get_u32(tb[TCA_ROUTE4_IIF]); - if (id > 0x7FFF) - return -EINVAL; nhandle |= (id | 0x8000) << 16; } else nhandle |= 0xFFFF << 16; if (handle && new) { nhandle |= handle & 0x7F00; - if (nhandle != handle) + if (nhandle != handle) { + NL_SET_ERR_MSG_FMT(extack, + "Handle mismatch constructed: %x (expected: %x)", + handle, nhandle); return -EINVAL; + } } if (!nhandle) { @@ -478,7 +482,6 @@ static int route4_change(struct net *net, struct sk_buff *in_skb, struct route4_filter __rcu **fp; struct route4_filter *fold, *f1, *pfp, *f = NULL; struct route4_bucket *b; - struct nlattr *opt = tca[TCA_OPTIONS]; struct nlattr *tb[TCA_ROUTE4_MAX + 1]; unsigned int h, th; int err; @@ -489,10 +492,12 @@ static int route4_change(struct net *net, struct sk_buff *in_skb, return -EINVAL; } - if (opt == NULL) + if (NL_REQ_ATTR_CHECK(extack, NULL, tca, TCA_OPTIONS)) { + NL_SET_ERR_MSG_MOD(extack, "Missing options"); return -EINVAL; + } - err = nla_parse_nested_deprecated(tb, TCA_ROUTE4_MAX, opt, + err = nla_parse_nested_deprecated(tb, TCA_ROUTE4_MAX, tca[TCA_OPTIONS], route4_policy, NULL); if (err < 0) return err; @@ -679,4 +684,5 @@ static void __exit exit_route4(void) module_init(init_route4) module_exit(exit_route4) +MODULE_DESCRIPTION("Routing table realm based TC classifier"); MODULE_LICENSE("GPL"); |