diff options
Diffstat (limited to 'net/netfilter/nf_tables_api.c')
| -rw-r--r-- | net/netfilter/nf_tables_api.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 224c8e537cb3..f57f1a6ba96f 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -6783,6 +6783,9 @@ static int nft_register_flowtable_net_hooks(struct net *net, list_for_each_entry(hook, hook_list, list) { list_for_each_entry(ft, &table->flowtables, list) { + if (!nft_is_active_next(net, ft)) + continue; + list_for_each_entry(hook2, &ft->hook_list, list) { if (hook->ops.dev == hook2->ops.dev && hook->ops.pf == hook2->ops.pf) { @@ -6842,6 +6845,7 @@ static int nft_flowtable_update(struct nft_ctx *ctx, const struct nlmsghdr *nlh, struct nft_hook *hook, *next; struct nft_trans *trans; bool unregister = false; + u32 flags; int err; err = nft_flowtable_parse_hook(ctx, nla[NFTA_FLOWTABLE_HOOK], @@ -6856,6 +6860,17 @@ static int nft_flowtable_update(struct nft_ctx *ctx, const struct nlmsghdr *nlh, } } + if (nla[NFTA_FLOWTABLE_FLAGS]) { + flags = ntohl(nla_get_be32(nla[NFTA_FLOWTABLE_FLAGS])); + if (flags & ~NFT_FLOWTABLE_MASK) + return -EOPNOTSUPP; + if ((flowtable->data.flags & NFT_FLOWTABLE_HW_OFFLOAD) ^ + (flags & NFT_FLOWTABLE_HW_OFFLOAD)) + return -EOPNOTSUPP; + } else { + flags = flowtable->data.flags; + } + err = nft_register_flowtable_net_hooks(ctx->net, ctx->table, &flowtable_hook.list, flowtable); if (err < 0) @@ -6869,6 +6884,7 @@ static int nft_flowtable_update(struct nft_ctx *ctx, const struct nlmsghdr *nlh, goto err_flowtable_update_hook; } + nft_trans_flowtable_flags(trans) = flags; nft_trans_flowtable(trans) = flowtable; nft_trans_flowtable_update(trans) = true; INIT_LIST_HEAD(&nft_trans_flowtable_hooks(trans)); @@ -6963,8 +6979,10 @@ static int nf_tables_newflowtable(struct net *net, struct sock *nlsk, if (nla[NFTA_FLOWTABLE_FLAGS]) { flowtable->data.flags = ntohl(nla_get_be32(nla[NFTA_FLOWTABLE_FLAGS])); - if (flowtable->data.flags & ~NFT_FLOWTABLE_MASK) + if (flowtable->data.flags & ~NFT_FLOWTABLE_MASK) { + err = -EOPNOTSUPP; goto err3; + } } write_pnet(&flowtable->data.net, net); @@ -8176,6 +8194,8 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb) break; case NFT_MSG_NEWFLOWTABLE: if (nft_trans_flowtable_update(trans)) { + nft_trans_flowtable(trans)->data.flags = + nft_trans_flowtable_flags(trans); nf_tables_flowtable_notify(&trans->ctx, nft_trans_flowtable(trans), &nft_trans_flowtable_hooks(trans), |