On Fri, Feb 20, 2015 at 04:16:46PM +0300, Igor Ryzhov wrote:
> LPM table overflow may occur if table is full and added rule has the biggest
> depth that already have some rules.
>
> Signed-off-by: Igor Ryzhov <iryzhov at nfware.com>
Acked-by: Bruce Richardson <bruce.richardson at intel.com>
> ---
> lib/librte_lpm/rte_lpm.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/lib/librte_lpm/rte_lpm.c b/lib/librte_lpm/rte_lpm.c
> index 983e04b..cc51210 100644
> --- a/lib/librte_lpm/rte_lpm.c
> +++ b/lib/librte_lpm/rte_lpm.c
> @@ -298,6 +298,9 @@ rule_add(struct rte_lpm *lpm, uint32_t ip_masked, uint8_t
> depth,
> return rule_index;
> }
> }
> +
> + if (rule_index == lpm->max_rules)
> + return -ENOSPC;
> } else {
> /* Calculate the position in which the rule will be stored. */
> rule_index = 0;
> --
> 1.9.3 (Apple Git-50)
>
