diff options
Diffstat (limited to 'src/meta.c')
-rw-r--r-- | src/meta.c | 11 |
1 files changed, 9 insertions, 2 deletions
@@ -497,6 +497,7 @@ static void meta_expr_pctx_update(struct proto_ctx *ctx, const struct hook_proto_desc *h = &hook_proto_desc[ctx->family]; const struct expr *left = expr->left, *right = expr->right; const struct proto_desc *desc; + uint8_t protonum; assert(expr->op == OP_EQ); @@ -514,10 +515,16 @@ static void meta_expr_pctx_update(struct proto_ctx *ctx, proto_ctx_update(ctx, PROTO_BASE_LL_HDR, &expr->location, desc); break; case NFT_META_NFPROTO: - desc = proto_find_upper(h->desc, mpz_get_uint8(right->value)); - if (desc == NULL) + protonum = mpz_get_uint8(right->value); + desc = proto_find_upper(h->desc, protonum); + if (desc == NULL) { desc = &proto_unknown; + if (protonum == ctx->family && + h->base == PROTO_BASE_NETWORK_HDR) + desc = h->desc; + } + proto_ctx_update(ctx, PROTO_BASE_NETWORK_HDR, &expr->location, desc); break; case NFT_META_L4PROTO: |