diff options
Diffstat (limited to 'src/dpdk22/lib/librte_mbuf/rte_mbuf.c')
| -rw-r--r-- | src/dpdk22/lib/librte_mbuf/rte_mbuf.c | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/src/dpdk22/lib/librte_mbuf/rte_mbuf.c b/src/dpdk22/lib/librte_mbuf/rte_mbuf.c deleted file mode 100644 index c18b4381..00000000 --- a/src/dpdk22/lib/librte_mbuf/rte_mbuf.c +++ /dev/null @@ -1,288 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * Copyright 2014 6WIND S.A. - * 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 - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * 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 - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <string.h> -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <stdarg.h> -#include <inttypes.h> -#include <errno.h> -#include <ctype.h> -#include <sys/queue.h> - -#include <rte_debug.h> -#include <rte_common.h> -#include <rte_log.h> -#include <rte_memory.h> -#include <rte_memzone.h> -#include <rte_launch.h> -#include <rte_eal.h> -#include <rte_per_lcore.h> -#include <rte_lcore.h> -#include <rte_atomic.h> -#include <rte_branch_prediction.h> -#include <rte_ring.h> -#include <rte_mempool.h> -#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 - * 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; - rte_pktmbuf_init(mp, opaque_arg, _m, i); - m->ol_flags |= CTRL_MBUF_FLAG; -} - -/* - * pktmbuf pool constructor, given as a callback function to - * rte_mempool_create() - */ -void -rte_pktmbuf_pool_init(struct rte_mempool *mp, void *opaque_arg) -{ - struct rte_pktmbuf_pool_private *user_mbp_priv, *mbp_priv; - struct rte_pktmbuf_pool_private default_mbp_priv; - uint16_t roomsz; - - RTE_MBUF_ASSERT(mp->elt_size >= sizeof(struct rte_mbuf)); - - /* if no structure is provided, assume no mbuf private area */ - user_mbp_priv = opaque_arg; - if (user_mbp_priv == NULL) { - default_mbp_priv.mbuf_priv_size = 0; - if (mp->elt_size > sizeof(struct rte_mbuf)) - roomsz = mp->elt_size - sizeof(struct rte_mbuf); - else - roomsz = 0; - default_mbp_priv.mbuf_data_room_size = roomsz; - user_mbp_priv = &default_mbp_priv; - } - - RTE_MBUF_ASSERT(mp->elt_size >= sizeof(struct rte_mbuf) + - user_mbp_priv->mbuf_data_room_size + - user_mbp_priv->mbuf_priv_size); - - mbp_priv = rte_mempool_get_priv(mp); - memcpy(mbp_priv, user_mbp_priv, sizeof(*mbp_priv)); -} - -/* - * pktmbuf constructor, given as a callback function to - * rte_mempool_create(). - * Set the fields of a packet mbuf to their default values. - */ -void -rte_pktmbuf_init(struct rte_mempool *mp, - __attribute__((unused)) void *opaque_arg, - void *_m, - __attribute__((unused)) unsigned i) -{ - struct rte_mbuf *m = _m; - uint32_t mbuf_size, buf_len, priv_size; - - 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 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->data_off = RTE_MIN(RTE_PKTMBUF_HEADROOM, (uint16_t)m->buf_len); - - /* init some constant fields */ - m->pool = mp; - m->nb_segs = 1; - 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) -{ - const struct rte_mbuf *m_seg; - unsigned nb_segs; - - if (m == NULL) - rte_panic("mbuf is NULL\n"); - - /* generic checks */ - if (m->pool == NULL) - rte_panic("bad mbuf pool\n"); - if (m->buf_physaddr == 0) - rte_panic("bad phys addr\n"); - if (m->buf_addr == NULL) - rte_panic("bad virt addr\n"); - - uint16_t cnt = rte_mbuf_refcnt_read(m); - if ((cnt == 0) || (cnt == UINT16_MAX)) - rte_panic("bad ref cnt\n"); - - /* nothing to check for sub-segments */ - if (is_header == 0) - return; - - nb_segs = m->nb_segs; - m_seg = m; - while (m_seg && nb_segs != 0) { - m_seg = m_seg->next; - nb_segs--; - } - if (nb_segs != 0) - rte_panic("bad nb_segs\n"); -} - -/* dump a mbuf on console */ -void -rte_pktmbuf_dump(FILE *f, const struct rte_mbuf *m, unsigned dump_len) -{ - unsigned int len; - unsigned nb_segs; - - __rte_mbuf_sanity_check(m, 1); - - fprintf(f, "dump mbuf at 0x%p, phys=%"PRIx64", buf_len=%u\n", - m, (uint64_t)m->buf_physaddr, (unsigned)m->buf_len); - fprintf(f, " pkt_len=%"PRIu32", ol_flags=%"PRIx64", 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, 0); - - 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->data_len) - len = m->data_len; - if (len != 0) - rte_hexdump(f, NULL, rte_pktmbuf_mtod(m, void *), len); - dump_len -= len; - m = m->next; - nb_segs --; - } -} - -/* - * Get the name of a RX offload flag. Must be kept synchronized with flag - * definitions in rte_mbuf.h. - */ -const char *rte_get_rx_ol_flag_name(uint64_t mask) -{ - switch (mask) { - case PKT_RX_VLAN_PKT: return "PKT_RX_VLAN_PKT"; - case PKT_RX_RSS_HASH: return "PKT_RX_RSS_HASH"; - case PKT_RX_FDIR: return "PKT_RX_FDIR"; - case PKT_RX_L4_CKSUM_BAD: return "PKT_RX_L4_CKSUM_BAD"; - case PKT_RX_IP_CKSUM_BAD: return "PKT_RX_IP_CKSUM_BAD"; - /* case PKT_RX_EIP_CKSUM_BAD: return "PKT_RX_EIP_CKSUM_BAD"; */ - /* case PKT_RX_OVERSIZE: return "PKT_RX_OVERSIZE"; */ - /* 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_IEEE1588_PTP: return "PKT_RX_IEEE1588_PTP"; - case PKT_RX_IEEE1588_TMST: return "PKT_RX_IEEE1588_TMST"; - default: return NULL; - } -} - -/* - * Get the name of a TX offload flag. Must be kept synchronized with flag - * definitions in rte_mbuf.h. - */ -const char *rte_get_tx_ol_flag_name(uint64_t mask) -{ - switch (mask) { - case PKT_TX_VLAN_PKT: return "PKT_TX_VLAN_PKT"; - case PKT_TX_IP_CKSUM: return "PKT_TX_IP_CKSUM"; - case PKT_TX_TCP_CKSUM: return "PKT_TX_TCP_CKSUM"; - case PKT_TX_SCTP_CKSUM: return "PKT_TX_SCTP_CKSUM"; - case PKT_TX_UDP_CKSUM: return "PKT_TX_UDP_CKSUM"; - case PKT_TX_IEEE1588_TMST: return "PKT_TX_IEEE1588_TMST"; - case PKT_TX_TCP_SEG: return "PKT_TX_TCP_SEG"; - case PKT_TX_IPV4: return "PKT_TX_IPV4"; - case PKT_TX_IPV6: return "PKT_TX_IPV6"; - case PKT_TX_OUTER_IP_CKSUM: return "PKT_TX_OUTER_IP_CKSUM"; - case PKT_TX_OUTER_IPV4: return "PKT_TX_OUTER_IPV4"; - case PKT_TX_OUTER_IPV6: return "PKT_TX_OUTER_IPV6"; - default: return NULL; - } -} |