C++ (Cpp) nft_set_ext_exists Examples

Example #1

File: nft_lookup.c Project: Anjali05/linux

static int nft_lookup_validate_setelem(const struct nft_ctx *ctx,
				       struct nft_set *set,
				       const struct nft_set_iter *iter,
				       struct nft_set_elem *elem)
{
	const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv);
	struct nft_ctx *pctx = (struct nft_ctx *)ctx;
	const struct nft_data *data;
	int err;

	if (nft_set_ext_exists(ext, NFT_SET_EXT_FLAGS) &&
	    *nft_set_ext_flags(ext) & NFT_SET_ELEM_INTERVAL_END)
		return 0;

	data = nft_set_ext_data(ext);
	switch (data->verdict.code) {
	case NFT_JUMP:
	case NFT_GOTO:
		pctx->level++;
		err = nft_chain_validate(ctx, data->verdict.chain);
		if (err < 0)
			return err;
		pctx->level--;
		break;
	default:
		break;
	}

	return 0;
}

Example #2

File: nft_dynset.c Project: 19Dan01/linux

static void nft_dynset_eval(const struct nft_expr *expr,
			    struct nft_regs *regs,
			    const struct nft_pktinfo *pkt)
{
	const struct nft_dynset *priv = nft_expr_priv(expr);
	struct nft_set *set = priv->set;
	const struct nft_set_ext *ext;
	const struct nft_expr *sexpr;
	u64 timeout;

	if (set->ops->update(set, &regs->data[priv->sreg_key], nft_dynset_new,
			     expr, regs, &ext)) {
		sexpr = NULL;
		if (nft_set_ext_exists(ext, NFT_SET_EXT_EXPR))
			sexpr = nft_set_ext_expr(ext);

		if (priv->op == NFT_DYNSET_OP_UPDATE &&
		    nft_set_ext_exists(ext, NFT_SET_EXT_EXPIRATION)) {
			timeout = priv->timeout ? : set->timeout;
			*nft_set_ext_expiration(ext) = jiffies + timeout;
		} else if (sexpr == NULL)

Example #3

File: nft_set_rbtree.c Project: asmalldev/linux

static bool nft_rbtree_interval_end(const struct nft_rbtree_elem *rbe)
{
	return nft_set_ext_exists(&rbe->ext, NFT_SET_EXT_FLAGS) &&
	       (*nft_set_ext_flags(&rbe->ext) & NFT_SET_ELEM_INTERVAL_END);
}