* Attaching an external buffer to mbuf to be processed by VRAN Boost
@ 2024-07-31 9:36 Rasa Varathan
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From: Rasa Varathan @ 2024-07-31 9:36 UTC (permalink / raw)
To: users
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Hi all,
I am trying to attach an external buffer to mbuf and process that in VRAN boost, but keep getting a Data Error on VRAN Boost.
Does VRAN boost support this process?
The process I use is similar to the example test_compressdec.c
static void extbuf_free_callback(void *addr __rte_unused, void *opaque __rte_unused)
{
}
// Attach external buffer
struct rte_mbuf* Input_pkts_burst[1];
static struct rte_mbuf_ext_shared_info inbuf_info;
inbuf_info.free_cb = extbuf_free_callback;
inbuf_info.fcb_opaque = NULL;
rte_mbuf_ext_refcnt_set(&inbuf_info, 1);
rte_iova_t buf_iova = rte_mem_virt2iova(&Input_Data);
if (buf_iova == RTE_BAD_IOVA)
{
printf(" RTE_BAD_IOVA returned\n");
}
rte_pktmbuf_attach_extbuf(Input_pkts_burst[0],
&Input_Data,
buf_iova ,
inbutDataSize,
&inbuf_info);
input_pkts_burst[0]->data_off = 0;
input_pkts_burst[0]->data_len = inbutDataSize;
input_pkts_burst[0]->pkt_len = inbutDataSize;
Could someone let me know, why am I getting a data error.
If I use an memcpy to copy the contents of Input_Data to Input_pkts_burst[0]. then the data is processed successfully by VRAN Boost.
Best Regards,
Rasa
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