[PATCH v3 2/4] net/bond: use ptype flags for LACP rx filtering

[Declan Doherty <declan.doherty@intel.com>]

From: Tomasz Kulasek <tomaszx.kulasek@intel.com>

Use packet types flags in mbuf to provide hint for filtering of LACP
control plane traffic from the data path.

Signed-off-by: Declan Doherty <declan.doherty@intel.com>
---
 drivers/net/bonding/rte_eth_bond_pmd.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
index f428e96..9730ae0 100644
--- a/drivers/net/bonding/rte_eth_bond_pmd.c
+++ b/drivers/net/bonding/rte_eth_bond_pmd.c
@@ -180,6 +180,13 @@ bond_ethdev_rx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
 
 		/* Handle slow protocol packets. */
 		while (j < num_rx_total) {
+
+			/* If packet is not pure L2 and is known, skip it */
+			if ((bufs[j]->packet_type & ~RTE_PTYPE_L2_ETHER) != 0) {
+				j++;
+				continue;
+			}
+
 			if (j + 3 < num_rx_total)
 				rte_prefetch0(rte_pktmbuf_mtod(bufs[j + 3], void *));
 
@@ -187,7 +194,7 @@ bond_ethdev_rx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
 			subtype = ((struct slow_protocol_frame *)hdr)->slow_protocol.subtype;
 
 			/* Remove packet from array if it is slow packet or slave is not
-			 * in collecting state or bondign interface is not in promiscus
+			 * in collecting state or bonding interface is not in promiscuous
 			 * mode and packet address does not match. */
 			if (unlikely(is_lacp_packets(hdr->ether_type, subtype, bufs[j]->vlan_tci) ||
 				!collecting || (!promisc &&
-- 
2.9.4