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Diffstat (limited to 'lib/librte_ip_frag/rte_ipv4_reassembly.c')
-rw-r--r--lib/librte_ip_frag/rte_ipv4_reassembly.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/librte_ip_frag/rte_ipv4_reassembly.c b/lib/librte_ip_frag/rte_ipv4_reassembly.c
index 26d07f9a..e084ca59 100644
--- a/lib/librte_ip_frag/rte_ipv4_reassembly.c
+++ b/lib/librte_ip_frag/rte_ipv4_reassembly.c
@@ -41,11 +41,12 @@
* Reassemble fragments into one packet.
*/
struct rte_mbuf *
-ipv4_frag_reassemble(const struct ip_frag_pkt *fp)
+ipv4_frag_reassemble(struct ip_frag_pkt *fp)
{
struct ipv4_hdr *ip_hdr;
struct rte_mbuf *m, *prev;
uint32_t i, n, ofs, first_len;
+ uint32_t curr_idx = 0;
first_len = fp->frags[IP_FIRST_FRAG_IDX].len;
n = fp->last_idx - 1;
@@ -53,6 +54,7 @@ ipv4_frag_reassemble(const struct ip_frag_pkt *fp)
/*start from the last fragment. */
m = fp->frags[IP_LAST_FRAG_IDX].mb;
ofs = fp->frags[IP_LAST_FRAG_IDX].ofs;
+ curr_idx = IP_LAST_FRAG_IDX;
while (ofs != first_len) {
@@ -67,6 +69,10 @@ ipv4_frag_reassemble(const struct ip_frag_pkt *fp)
rte_pktmbuf_adj(m, (uint16_t)(m->l2_len + m->l3_len));
rte_pktmbuf_chain(fp->frags[i].mb, m);
+ /* this mbuf should not be accessed directly */
+ fp->frags[curr_idx].mb = NULL;
+ curr_idx = i;
+
/* update our last fragment and offset. */
m = fp->frags[i].mb;
ofs = fp->frags[i].ofs;