/**************************************************************************//**
*
* pktgen_pcap_mbuf_ctor - Callback routine to construct PCAP packets.
*
* DESCRIPTION
* Callback routine to construct a set of PCAP packet buffers.
*
* RETURNS: N/A
*
* SEE ALSO:
*/
static void
pktgen_pcap_mbuf_ctor(struct rte_mempool *mp, void *opaque_arg, void *_m, unsigned i)
{
struct rte_mbuf *m = _m;
uint32_t buf_len = mp->elt_size - sizeof(struct rte_mbuf);
pcaprec_hdr_t hdr;
ssize_t len = -1;
char buffer[2048];
pcap_info_t *pcap = (pcap_info_t *)opaque_arg;
RTE_MBUF_ASSERT(mp->elt_size >= sizeof(struct rte_mbuf));
memset(m, 0, mp->elt_size);
/* start of buffer is just after mbuf structure */
m->buf_addr = (char *)m + sizeof(struct rte_mbuf);
m->buf_physaddr = rte_mempool_virt2phy(mp, m->buf_addr);
m->buf_len = (uint16_t)buf_len;
/* keep some headroom between start of buffer and data */
m->data_off = RTE_MIN(RTE_PKTMBUF_HEADROOM, m->buf_len);
/* init some constant fields */
m->pool = mp;
m->nb_segs = 1;
m->port = 0xff;
m->ol_flags = 0;
for (;; ) {
if ( (i & 0x3ff) == 0) {
rte_printf_status("%c\b", "-\\|/"[(i >> 10) & 3]);
i++;
}
if (unlikely(wr_pcap_read(pcap, &hdr, buffer, sizeof(buffer)) <= 0) ) {
wr_pcap_rewind(pcap);
continue;
}
len = hdr.incl_len;
/* Adjust the packet length if not a valid size. */
if (len < (ETHER_MIN_LEN - 4) )
len = (ETHER_MIN_LEN - 4);
else if (len > (ETHER_MAX_LEN - 4) )
len = (ETHER_MAX_LEN - 4);
m->data_len = len;
m->pkt_len = len;
rte_memcpy((uint8_t *)m->buf_addr + m->data_off, buffer, len);
break;
}
* ctrlmbuf constructor, given as a callback function to
* rte_mempool_create()
*/
void
rte_ctrlmbuf_init(struct rte_mempool *mp,
__attribute__((unused)) void *opaque_arg,
void *_m,
__attribute__((unused)) unsigned i)
{
struct rte_mbuf *m = _m;
memset(m, 0, mp->elt_size);
/* start of buffer is just after mbuf structure */
m->buf_addr = (char *)m + sizeof(struct rte_mbuf);
m->buf_physaddr = rte_mempool_virt2phy(mp, m) +
sizeof(struct rte_mbuf);
m->buf_len = (uint16_t) (mp->elt_size - sizeof(struct rte_mbuf));
/* init some constant fields */
m->type = RTE_MBUF_CTRL;
m->ctrl.data = (char *)m->buf_addr;
m->pool = (struct rte_mempool *)mp;
}
/*
* pktmbuf pool constructor, given as a callback function to
* rte_mempool_create()
*/
void
rte_pktmbuf_pool_init(struct rte_mempool *mp, void *opaque_arg)