/*-
* BSD LICENSE
- *
+ *
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
- *
+ *
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
*/
void
rte_ctrlmbuf_init(struct rte_mempool *mp,
- __attribute__((unused)) void *opaque_arg,
- void *_m,
- __attribute__((unused)) unsigned i)
+ __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;
+ rte_pktmbuf_init(mp, opaque_arg, _m, i);
}
/*
m->buf_len = (uint16_t)buf_len;
/* keep some headroom between start of buffer and data */
- m->pkt.data = (char*) m->buf_addr + RTE_MIN(RTE_PKTMBUF_HEADROOM, m->buf_len);
+ m->data_off = RTE_MIN(RTE_PKTMBUF_HEADROOM, (uint16_t)m->buf_len);
/* init some constant fields */
- m->type = RTE_MBUF_PKT;
m->pool = mp;
- m->pkt.nb_segs = 1;
- m->pkt.in_port = 0xff;
+ m->nb_segs = 1;
+ m->port = 0xff;
}
/* do some sanity checks on a mbuf: panic if it fails */
void
-rte_mbuf_sanity_check(const struct rte_mbuf *m, enum rte_mbuf_type t,
- int is_header)
+rte_mbuf_sanity_check(const struct rte_mbuf *m, int is_header)
{
const struct rte_mbuf *m_seg;
unsigned nb_segs;
if (m == NULL)
rte_panic("mbuf is NULL\n");
- if (m->type != (uint8_t)t)
- rte_panic("bad mbuf type\n");
/* generic checks */
if (m->pool == NULL)
if (m->buf_addr == NULL)
rte_panic("bad virt addr\n");
-#ifdef RTE_MBUF_SCATTER_GATHER
+#ifdef RTE_MBUF_REFCNT
uint16_t cnt = rte_mbuf_refcnt_read(m);
if ((cnt == 0) || (cnt == UINT16_MAX))
rte_panic("bad ref cnt\n");
#endif
- /* nothing to check for ctrl messages */
- if (m->type == RTE_MBUF_CTRL)
+ /* nothing to check for sub-segments */
+ if (is_header == 0)
return;
- /* check pkt consistency */
- else if (m->type == RTE_MBUF_PKT) {
-
- /* nothing to check for sub-segments */
- if (is_header == 0)
- return;
-
- nb_segs = m->pkt.nb_segs;
- m_seg = m;
- while (m_seg && nb_segs != 0) {
- m_seg = m_seg->pkt.next;
- nb_segs --;
- }
- if (nb_segs != 0)
- rte_panic("bad nb_segs\n");
- return;
+ nb_segs = m->nb_segs;
+ m_seg = m;
+ while (m_seg && nb_segs != 0) {
+ m_seg = m_seg->next;
+ nb_segs--;
}
-
- rte_panic("unknown mbuf type\n");
+ if (nb_segs != 0)
+ rte_panic("bad nb_segs\n");
}
/* dump a mbuf on console */
void
-rte_pktmbuf_dump(const struct rte_mbuf *m, unsigned dump_len)
+rte_pktmbuf_dump(FILE *f, const struct rte_mbuf *m, unsigned dump_len)
{
unsigned int len;
unsigned nb_segs;
- __rte_mbuf_sanity_check(m, RTE_MBUF_PKT, 1);
+ __rte_mbuf_sanity_check(m, 1);
- printf("dump mbuf at 0x%p, phys=%"PRIx64", buf_len=%u\n",
+ fprintf(f, "dump mbuf at 0x%p, phys=%"PRIx64", buf_len=%u\n",
m, (uint64_t)m->buf_physaddr, (unsigned)m->buf_len);
- printf(" pkt_len=%"PRIu32", ol_flags=%"PRIx16", nb_segs=%u, "
- "in_port=%u\n", m->pkt.pkt_len, m->ol_flags,
- (unsigned)m->pkt.nb_segs, (unsigned)m->pkt.in_port);
- nb_segs = m->pkt.nb_segs;
+ fprintf(f, " pkt_len=%"PRIu32", ol_flags=%"PRIx16", nb_segs=%u, "
+ "in_port=%u\n", m->pkt_len, m->ol_flags,
+ (unsigned)m->nb_segs, (unsigned)m->port);
+ nb_segs = m->nb_segs;
while (m && nb_segs != 0) {
- __rte_mbuf_sanity_check(m, RTE_MBUF_PKT, 0);
+ __rte_mbuf_sanity_check(m, 0);
- printf(" segment at 0x%p, data=0x%p, data_len=%u\n",
- m, m->pkt.data, (unsigned)m->pkt.data_len);
+ fprintf(f, " segment at 0x%p, data=0x%p, data_len=%u\n",
+ m, rte_pktmbuf_mtod(m, void *), (unsigned)m->data_len);
len = dump_len;
- if (len > m->pkt.data_len)
- len = m->pkt.data_len;
+ if (len > m->data_len)
+ len = m->data_len;
if (len != 0)
- rte_hexdump(NULL, m->pkt.data, len);
+ rte_hexdump(f, NULL, rte_pktmbuf_mtod(m, void *), len);
dump_len -= len;
- m = m->pkt.next;
+ m = m->next;
nb_segs --;
}
}
git.droids-corp.org / dpdk.git / blobdiff