Merge tag 'nolibc.2022.07.27a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulm...

[linux-2.6-microblaze.git] / net / netfilter / nft_queue.c

diff --git a/net/netfilter/nft_queue.c b/net/netfilter/nft_queue.c
index 15e4b76..da29e92 100644 (file)
--- a/net/netfilter/nft_queue.c
+++ b/net/netfilter/nft_queue.c
@@ -68,6 +68,31 @@ static void nft_queue_sreg_eval(const struct nft_expr *expr,
        regs->verdict.code = ret;
 }
 
+static int nft_queue_validate(const struct nft_ctx *ctx,
+                             const struct nft_expr *expr,
+                             const struct nft_data **data)
+{
+       static const unsigned int supported_hooks = ((1 << NF_INET_PRE_ROUTING) |
+                                                    (1 << NF_INET_LOCAL_IN) |
+                                                    (1 << NF_INET_FORWARD) |
+                                                    (1 << NF_INET_LOCAL_OUT) |
+                                                    (1 << NF_INET_POST_ROUTING));
+
+       switch (ctx->family) {
+       case NFPROTO_IPV4:
+       case NFPROTO_IPV6:
+       case NFPROTO_INET:
+       case NFPROTO_BRIDGE:
+               break;
+       case NFPROTO_NETDEV: /* lacks okfn */
+               fallthrough;
+       default:
+               return -EOPNOTSUPP;
+       }
+
+       return nft_chain_validate_hooks(ctx->chain, supported_hooks);
+}
+
 static const struct nla_policy nft_queue_policy[NFTA_QUEUE_MAX + 1] = {
        [NFTA_QUEUE_NUM]        = { .type = NLA_U16 },
        [NFTA_QUEUE_TOTAL]      = { .type = NLA_U16 },
@@ -164,6 +189,7 @@ static const struct nft_expr_ops nft_queue_ops = {
        .eval           = nft_queue_eval,
        .init           = nft_queue_init,
        .dump           = nft_queue_dump,
+       .validate       = nft_queue_validate,
        .reduce         = NFT_REDUCE_READONLY,
 };
 
@@ -173,6 +199,7 @@ static const struct nft_expr_ops nft_queue_sreg_ops = {
        .eval           = nft_queue_sreg_eval,
        .init           = nft_queue_sreg_init,
        .dump           = nft_queue_sreg_dump,
+       .validate       = nft_queue_validate,
        .reduce         = NFT_REDUCE_READONLY,
 };