struct rte_mbuf *
ipv6_frag_reassemble(struct ip_frag_pkt *fp)
{
- struct ipv6_hdr *ip_hdr;
+ struct rte_ipv6_hdr *ip_hdr;
struct ipv6_extension_fragment *frag_hdr;
struct rte_mbuf *m, *prev;
uint32_t i, n, ofs, first_len;
/* previous fragment found. */
if (fp->frags[i].ofs + fp->frags[i].len == ofs) {
+ RTE_ASSERT(curr_idx != i);
+
/* adjust start of the last fragment data. */
- rte_pktmbuf_adj(m, (uint16_t)(m->l2_len + m->l3_len));
+ 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 */
m = fp->frags[IP_FIRST_FRAG_IDX].mb;
fp->frags[IP_FIRST_FRAG_IDX].mb = NULL;
- /* update mbuf fields for reassembled packet. */
- m->ol_flags |= PKT_TX_IP_CKSUM;
-
/* update ipv6 header for the reassembled datagram */
- ip_hdr = rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *, m->l2_len);
+ ip_hdr = rte_pktmbuf_mtod_offset(m, struct rte_ipv6_hdr *, m->l2_len);
ip_hdr->payload_len = rte_cpu_to_be_16(payload_len);
#define FRAG_OFFSET(x) (rte_cpu_to_be_16(x) >> 3)
struct rte_mbuf *
rte_ipv6_frag_reassemble_packet(struct rte_ip_frag_tbl *tbl,
- struct rte_ip_frag_death_row *dr, struct rte_mbuf *mb, uint64_t tms,
- struct ipv6_hdr *ip_hdr, struct ipv6_extension_fragment *frag_hdr)
+ struct rte_ip_frag_death_row *dr, struct rte_mbuf *mb, uint64_t tms,
+ struct rte_ipv6_hdr *ip_hdr, struct ipv6_extension_fragment *frag_hdr)
{
struct ip_frag_pkt *fp;
struct ip_frag_key key;
- uint16_t ip_len, ip_ofs;
+ uint16_t ip_ofs;
+ int32_t ip_len;
rte_memcpy(&key.src_dst[0], ip_hdr->src_addr, 16);
rte_memcpy(&key.src_dst[2], ip_hdr->dst_addr, 16);
ip_ofs = FRAG_OFFSET(frag_hdr->frag_data) * 8;
/*
- * as per RFC2460, payload length contains all extension headers as well.
- * since we don't support anything but frag headers, this is what we remove
- * from the payload len.
+ * as per RFC2460, payload length contains all extension headers
+ * as well.
+ * since we don't support anything but frag headers,
+ * this is what we remove from the payload len.
*/
ip_len = rte_be_to_cpu_16(ip_hdr->payload_len) - sizeof(*frag_hdr);
IP_FRAG_LOG(DEBUG, "%s:%d:\n"
"mbuf: %p, tms: %" PRIu64
- ", key: <" IPv6_KEY_BYTES_FMT ", %#x>, ofs: %u, len: %u, flags: %#x\n"
+ ", key: <" IPv6_KEY_BYTES_FMT ", %#x>, "
+ "ofs: %u, len: %d, flags: %#x\n"
"tbl: %p, max_cycles: %" PRIu64 ", entry_mask: %#x, "
"max_entries: %u, use_entries: %u\n\n",
__func__, __LINE__,
tbl, tbl->max_cycles, tbl->entry_mask, tbl->max_entries,
tbl->use_entries);
+ /* check that fragment length is greater then zero. */
+ if (ip_len <= 0) {
+ IP_FRAG_MBUF2DR(dr, mb);
+ return NULL;
+ }
+
/* try to find/add entry into the fragment's table. */
fp = ip_frag_find(tbl, dr, &key, tms);
if (fp == NULL) {