#include <rte_mbuf.h>
#include <rte_string_fns.h>
#include <rte_hexdump.h>
+#include <rte_errno.h>
/*
* ctrlmbuf constructor, given as a callback function to
__attribute__((unused)) unsigned i)
{
struct rte_mbuf *m = _m;
- uint32_t buf_len = mp->elt_size - sizeof(struct rte_mbuf);
+ uint32_t mbuf_size, buf_len, priv_size;
- RTE_MBUF_ASSERT(mp->elt_size >= sizeof(struct rte_mbuf));
+ priv_size = rte_pktmbuf_priv_size(mp);
+ mbuf_size = sizeof(struct rte_mbuf) + priv_size;
+ buf_len = rte_pktmbuf_data_room_size(mp);
+
+ RTE_MBUF_ASSERT(RTE_ALIGN(priv_size, RTE_MBUF_PRIV_ALIGN) == priv_size);
+ RTE_MBUF_ASSERT(mp->elt_size >= mbuf_size);
+ RTE_MBUF_ASSERT(buf_len <= UINT16_MAX);
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);
+ /* start of buffer is after mbuf structure and priv data */
+ m->priv_size = priv_size;
+ m->buf_addr = (char *)m + mbuf_size;
+ m->buf_physaddr = rte_mempool_virt2phy(mp, m) + mbuf_size;
m->buf_len = (uint16_t)buf_len;
/* keep some headroom between start of buffer and data */
m->port = 0xff;
}
+/* helper to create a mbuf pool */
+struct rte_mempool *
+rte_pktmbuf_pool_create(const char *name, unsigned n,
+ unsigned cache_size, uint16_t priv_size, uint16_t data_room_size,
+ int socket_id)
+{
+ struct rte_pktmbuf_pool_private mbp_priv;
+ unsigned elt_size;
+
+ if (RTE_ALIGN(priv_size, RTE_MBUF_PRIV_ALIGN) != priv_size) {
+ RTE_LOG(ERR, MBUF, "mbuf priv_size=%u is not aligned\n",
+ priv_size);
+ rte_errno = EINVAL;
+ return NULL;
+ }
+ elt_size = sizeof(struct rte_mbuf) + (unsigned)priv_size +
+ (unsigned)data_room_size;
+ mbp_priv.mbuf_data_room_size = data_room_size;
+ mbp_priv.mbuf_priv_size = priv_size;
+
+ return rte_mempool_create(name, n, elt_size,
+ cache_size, sizeof(struct rte_pktmbuf_pool_private),
+ rte_pktmbuf_pool_init, &mbp_priv, rte_pktmbuf_init, NULL,
+ socket_id, 0);
+}
+
/* do some sanity checks on a mbuf: panic if it fails */
void
rte_mbuf_sanity_check(const struct rte_mbuf *m, int is_header)
/* case PKT_RX_HBUF_OVERFLOW: return "PKT_RX_HBUF_OVERFLOW"; */
/* case PKT_RX_RECIP_ERR: return "PKT_RX_RECIP_ERR"; */
/* case PKT_RX_MAC_ERR: return "PKT_RX_MAC_ERR"; */
- case PKT_RX_IPV4_HDR: return "PKT_RX_IPV4_HDR";
- case PKT_RX_IPV4_HDR_EXT: return "PKT_RX_IPV4_HDR_EXT";
- case PKT_RX_IPV6_HDR: return "PKT_RX_IPV6_HDR";
- case PKT_RX_IPV6_HDR_EXT: return "PKT_RX_IPV6_HDR_EXT";
case PKT_RX_IEEE1588_PTP: return "PKT_RX_IEEE1588_PTP";
case PKT_RX_IEEE1588_TMST: return "PKT_RX_IEEE1588_TMST";
- case PKT_RX_TUNNEL_IPV4_HDR: return "PKT_RX_TUNNEL_IPV4_HDR";
- case PKT_RX_TUNNEL_IPV6_HDR: return "PKT_RX_TUNNEL_IPV6_HDR";
default: return NULL;
}
}