The packet_type in mbuf is not correctly filled by ixgbe 82599 NIC.
To use the ether_type in ethernet header to check packet type is
more reliaber.
Fixes: 3c0184cc0c60 ("examples: replace some offload flags with packet type")
Fixes: ab351fe1c95c ("mbuf: remove packet type from offload flags")
Cc: sta...@dpdk.org
Reported-by: Fangfang Wei <fangfangx....@intel.com>
Signed-off-by: Wei Dai <wei....@intel.com>
Tested-by: Fagnfang Wei <fangfangx....@intel.com>
---
examples/ip_fragmentation/main.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/examples/ip_fragmentation/main.c b/examples/ip_fragmentation/main.c
index e1e32c6..8612984 100644
--- a/examples/ip_fragmentation/main.c
+++ b/examples/ip_fragmentation/main.c
@@ -268,6 +268,7 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct
lcore_queue_conf *qconf,
uint32_t i, len, next_hop_ipv4;
uint8_t next_hop_ipv6, port_out, ipv6;
int32_t len2;
+ struct ether_hdr *eth_hdr;
ipv6 = 0;
rxq = &qconf->rx_queue_list[queueid];
@@ -276,13 +277,14 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct
lcore_queue_conf *qconf,
port_out = port_in;
/* Remove the Ethernet header and trailer from the input packet */
+ eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
rte_pktmbuf_adj(m, (uint16_t)sizeof(struct ether_hdr));
/* Build transmission burst */
len = qconf->tx_mbufs[port_out].len;
/* if this is an IPv4 packet */
- if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
+ if (eth_hdr->ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
struct ipv4_hdr *ip_hdr;
uint32_t ip_dst;
/* Read the lookup key (i.e. ip_dst) from the input packet */
@@ -316,7 +318,7 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct
lcore_queue_conf *qconf,
if (unlikely (len2 < 0))
return;
}
- } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
+ } else if (eth_hdr->ether_type == rte_be_to_cpu_16(ETHER_TYPE_IPv6)) {
/* if this is an IPv6 packet */
struct ipv6_hdr *ip_hdr;
@@ -363,8 +365,8 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct
lcore_queue_conf *qconf,
void *d_addr_bytes;
m = qconf->tx_mbufs[port_out].m_table[i];
- struct ether_hdr *eth_hdr = (struct ether_hdr *)
- rte_pktmbuf_prepend(m, (uint16_t)sizeof(struct
ether_hdr));
+ eth_hdr = (struct ether_hdr *)rte_pktmbuf_prepend(m,
+ (uint16_t)sizeof(struct ether_hdr));
if (eth_hdr == NULL) {
rte_panic("No headroom in mbuf.\n");
}
--
2.7.4
