struct rte_mbuf *
ipv4_frag_reassemble(struct ip_frag_pkt *fp)
{
- struct ipv4_hdr *ip_hdr;
+ struct rte_ipv4_hdr *ip_hdr;
struct rte_mbuf *m, *prev;
uint32_t i, n, ofs, first_len;
uint32_t curr_idx = 0;
/* 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 */
/* chain with the first fragment. */
rte_pktmbuf_adj(m, (uint16_t)(m->l2_len + m->l3_len));
rte_pktmbuf_chain(fp->frags[IP_FIRST_FRAG_IDX].mb, m);
+ fp->frags[curr_idx].mb = NULL;
m = fp->frags[IP_FIRST_FRAG_IDX].mb;
-
- /* update mbuf fields for reassembled packet. */
- m->ol_flags |= PKT_TX_IP_CKSUM;
+ fp->frags[IP_FIRST_FRAG_IDX].mb = NULL;
/* update ipv4 header for the reassembled packet */
- ip_hdr = rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *, m->l2_len);
+ ip_hdr = rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *, m->l2_len);
ip_hdr->total_length = rte_cpu_to_be_16((uint16_t)(fp->total_size +
m->l3_len));
ip_hdr->fragment_offset = (uint16_t)(ip_hdr->fragment_offset &
- rte_cpu_to_be_16(IPV4_HDR_DF_FLAG));
+ rte_cpu_to_be_16(RTE_IPV4_HDR_DF_FLAG));
ip_hdr->hdr_checksum = 0;
return m;
*/
struct rte_mbuf *
rte_ipv4_frag_reassemble_packet(struct rte_ip_frag_tbl *tbl,
- struct rte_ip_frag_death_row *dr, struct rte_mbuf *mb, uint64_t tms,
- struct ipv4_hdr *ip_hdr)
+ struct rte_ip_frag_death_row *dr, struct rte_mbuf *mb, uint64_t tms,
+ struct rte_ipv4_hdr *ip_hdr)
{
struct ip_frag_pkt *fp;
struct ip_frag_key key;
const unaligned_uint64_t *psd;
- uint16_t ip_len;
uint16_t flag_offset, ip_ofs, ip_flag;
+ int32_t ip_len;
flag_offset = rte_be_to_cpu_16(ip_hdr->fragment_offset);
- ip_ofs = (uint16_t)(flag_offset & IPV4_HDR_OFFSET_MASK);
- ip_flag = (uint16_t)(flag_offset & IPV4_HDR_MF_FLAG);
+ ip_ofs = (uint16_t)(flag_offset & RTE_IPV4_HDR_OFFSET_MASK);
+ ip_flag = (uint16_t)(flag_offset & RTE_IPV4_HDR_MF_FLAG);
psd = (unaligned_uint64_t *)&ip_hdr->src_addr;
/* use first 8 bytes only */
key.id = ip_hdr->packet_id;
key.key_len = IPV4_KEYLEN;
- ip_ofs *= IPV4_HDR_OFFSET_UNITS;
- ip_len = (uint16_t)(rte_be_to_cpu_16(ip_hdr->total_length) -
- mb->l3_len);
+ ip_ofs *= RTE_IPV4_HDR_OFFSET_UNITS;
+ ip_len = rte_be_to_cpu_16(ip_hdr->total_length) - mb->l3_len;
IP_FRAG_LOG(DEBUG, "%s:%d:\n"
"mbuf: %p, tms: %" PRIu64
- ", key: <%" PRIx64 ", %#x>, ofs: %u, len: %u, flags: %#x\n"
+ ", key: <%" PRIx64 ", %#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. */
if ((fp = ip_frag_find(tbl, dr, &key, tms)) == NULL) {
IP_FRAG_MBUF2DR(dr, mb);