[RFC,2/2] ethdev: check received mbufs sanity
Checks
Commit Message
Let's check the mbufs given by the drivers directly in the rx handler.
The only drawback is that you need CONFIG_RTE_LIBRTE_MBUF_DEBUG to be set
for this to actually do some real checks.
Signed-off-by: David Marchand <david.marchand@6wind.com>
---
lib/librte_ethdev/rte_ethdev.h | 4 ++++
1 file changed, 4 insertions(+)
Comments
On Mon, Aug 13, 2018 at 6:03 PM, David Marchand
<david.marchand@6wind.com> wrote:
> Let's check the mbufs given by the drivers directly in the rx handler.
> The only drawback is that you need CONFIG_RTE_LIBRTE_MBUF_DEBUG to be set
> for this to actually do some real checks.
Comments ?
@@ -3803,6 +3803,7 @@ rte_eth_rx_burst(uint16_t port_id, uint16_t queue_id,
{
struct rte_eth_dev *dev = &rte_eth_devices[port_id];
uint16_t nb_rx;
+ uint16_t index;
#ifdef RTE_LIBRTE_ETHDEV_DEBUG
RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
@@ -3816,6 +3817,9 @@ rte_eth_rx_burst(uint16_t port_id, uint16_t queue_id,
nb_rx = (*dev->rx_pkt_burst)(dev->data->rx_queues[queue_id],
rx_pkts, nb_pkts);
+ for (index = 0; index < nb_rx; index++)
+ __rte_mbuf_sanity_check(rx_pkts[index], 1);
+
#ifdef RTE_ETHDEV_RXTX_CALLBACKS
if (unlikely(dev->post_rx_burst_cbs[queue_id] != NULL)) {
struct rte_eth_rxtx_callback *cb =