C++ (Cpp) nft_set_elem_ext Exemples

Exemple #1

Fichier : nft_lookup.c Projet : 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;
}

Exemple #2

Fichier : nft_dynset.c Projet : 19Dan01/linux

static void *nft_dynset_new(struct nft_set *set, const struct nft_expr *expr,
			    struct nft_regs *regs)
{
	const struct nft_dynset *priv = nft_expr_priv(expr);
	struct nft_set_ext *ext;
	u64 timeout;
	void *elem;

	if (set->size && !atomic_add_unless(&set->nelems, 1, set->size))
		return NULL;

	timeout = priv->timeout ? : set->timeout;
	elem = nft_set_elem_init(set, &priv->tmpl,
				 &regs->data[priv->sreg_key],
				 &regs->data[priv->sreg_data],
				 timeout, GFP_ATOMIC);
	if (elem == NULL) {
		if (set->size)
			atomic_dec(&set->nelems);
		return NULL;
	}

	ext = nft_set_elem_ext(set, elem);
	if (priv->expr != NULL)
		nft_expr_clone(nft_set_ext_expr(ext), priv->expr);

	return elem;
}