IPv6 only allows traffic source nodes to fragment, so submitting
a packet with next header of IPPROTO_FRAGMENT would be invalid.
Signed-off-by: Aaron Conole <acon...@redhat.com>
---
lib/librte_ip_frag/rte_ipv6_fragmentation.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/librte_ip_frag/rte_ipv6_fragmentation.c
b/lib/librte_ip_frag/rte_ipv6_fragmentation.c
index 820a5dc725..aebcfa4325 100644
--- a/lib/librte_ip_frag/rte_ipv6_fragmentation.c
+++ b/lib/librte_ip_frag/rte_ipv6_fragmentation.c
@@ -106,6 +106,10 @@ rte_ipv6_fragment_packet(struct rte_mbuf *pkt_in,
in_hdr = rte_pktmbuf_mtod(pkt_in, struct rte_ipv6_hdr *);
+ /* Fragmenting a fragmented packet?! */
+ if (unlikely(in_hdr->proto == IPPROTO_FRAGMENT))
+ return -ENOTSUP;
+
in_seg = pkt_in;
in_seg_data_pos = sizeof(struct rte_ipv6_hdr);
out_pkt_pos = 0;
--
2.25.1
