*/
static inline void
-__fill_ipv6hdr_frag(struct ipv6_hdr *dst,
- const struct ipv6_hdr *src, uint16_t len, uint16_t fofs,
+__fill_ipv6hdr_frag(struct rte_ipv6_hdr *dst,
+ const struct rte_ipv6_hdr *src, uint16_t len, uint16_t fofs,
uint32_t mf)
{
struct ipv6_extension_fragment *fh;
struct rte_mempool *pool_indirect)
{
struct rte_mbuf *in_seg = NULL;
- struct ipv6_hdr *in_hdr;
+ struct rte_ipv6_hdr *in_hdr;
uint32_t out_pkt_pos, in_seg_data_pos;
uint32_t more_in_segs;
uint16_t fragment_offset, frag_size;
uint64_t frag_bytes_remaining;
+ /*
+ * Formal parameter checking.
+ */
+ if (unlikely(pkt_in == NULL) || unlikely(pkts_out == NULL) ||
+ unlikely(nb_pkts_out == 0) ||
+ unlikely(pool_direct == NULL) || unlikely(pool_indirect == NULL) ||
+ unlikely(mtu_size < RTE_IPV6_MIN_MTU))
+ return -EINVAL;
+
/*
* Ensure the IP payload length of all fragments (except the
* the last fragment) are a multiple of 8 bytes per RFC2460.
*/
- frag_size = RTE_ALIGN_FLOOR(mtu_size - sizeof(struct ipv6_hdr),
- RTE_IPV6_EHDR_FO_ALIGN);
+
+ frag_size = mtu_size - sizeof(struct rte_ipv6_hdr) -
+ sizeof(struct ipv6_extension_fragment);
+ frag_size = RTE_ALIGN_FLOOR(frag_size, RTE_IPV6_EHDR_FO_ALIGN);
/* Check that pkts_out is big enough to hold all fragments */
if (unlikely (frag_size * nb_pkts_out <
- (uint16_t)(pkt_in->pkt_len - sizeof (struct ipv6_hdr))))
+ (uint16_t)(pkt_in->pkt_len - sizeof(struct rte_ipv6_hdr))))
return -EINVAL;
- in_hdr = rte_pktmbuf_mtod(pkt_in, struct ipv6_hdr *);
+ in_hdr = rte_pktmbuf_mtod(pkt_in, struct rte_ipv6_hdr *);
in_seg = pkt_in;
- in_seg_data_pos = sizeof(struct ipv6_hdr);
+ in_seg_data_pos = sizeof(struct rte_ipv6_hdr);
out_pkt_pos = 0;
fragment_offset = 0;
while (likely(more_in_segs)) {
struct rte_mbuf *out_pkt = NULL, *out_seg_prev = NULL;
uint32_t more_out_segs;
- struct ipv6_hdr *out_hdr;
+ struct rte_ipv6_hdr *out_hdr;
/* Allocate direct buffer */
out_pkt = rte_pktmbuf_alloc(pool_direct);
}
/* Reserve space for the IP header that will be built later */
- out_pkt->data_len = sizeof(struct ipv6_hdr) + sizeof(struct ipv6_extension_fragment);
- out_pkt->pkt_len = sizeof(struct ipv6_hdr) + sizeof(struct ipv6_extension_fragment);
+ out_pkt->data_len = sizeof(struct rte_ipv6_hdr) +
+ sizeof(struct ipv6_extension_fragment);
+ out_pkt->pkt_len = sizeof(struct rte_ipv6_hdr) +
+ sizeof(struct ipv6_extension_fragment);
frag_bytes_remaining = frag_size;
out_seg_prev = out_pkt;
/* Build the IP header */
- out_hdr = rte_pktmbuf_mtod(out_pkt, struct ipv6_hdr *);
+ out_hdr = rte_pktmbuf_mtod(out_pkt, struct rte_ipv6_hdr *);
__fill_ipv6hdr_frag(out_hdr, in_hdr,
- (uint16_t) out_pkt->pkt_len - sizeof(struct ipv6_hdr),
+ (uint16_t) out_pkt->pkt_len - sizeof(struct rte_ipv6_hdr),
fragment_offset, more_in_segs);
fragment_offset = (uint16_t)(fragment_offset +
- out_pkt->pkt_len - sizeof(struct ipv6_hdr)
+ out_pkt->pkt_len - sizeof(struct rte_ipv6_hdr)
- sizeof(struct ipv6_extension_fragment));
/* Write the fragment to the output list */