-/*-
- * 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation.
+ * Copyright 2014 6WIND S.A.
*/
#include <string.h>
#include <ctype.h>
#include <sys/queue.h>
+#include <rte_compat.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_mbuf_pool_ops.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;
-}
+#include <rte_memcpy.h>
/*
* pktmbuf pool constructor, given as a callback function to
- * rte_mempool_create()
+ * rte_mempool_create(), or called directly if using
+ * rte_mempool_create_empty()/rte_mempool_populate()
*/
void
rte_pktmbuf_pool_init(struct rte_mempool *mp, void *opaque_arg)
struct rte_pktmbuf_pool_private default_mbp_priv;
uint16_t roomsz;
- RTE_MBUF_ASSERT(mp->elt_size >= sizeof(struct rte_mbuf));
+ RTE_ASSERT(mp->elt_size >= sizeof(struct rte_mbuf));
/* if no structure is provided, assume no mbuf private area */
user_mbp_priv = opaque_arg;
user_mbp_priv = &default_mbp_priv;
}
- RTE_MBUF_ASSERT(mp->elt_size >= sizeof(struct rte_mbuf) +
+ RTE_ASSERT(mp->elt_size >= sizeof(struct rte_mbuf) +
user_mbp_priv->mbuf_data_room_size +
user_mbp_priv->mbuf_priv_size);
/*
* pktmbuf constructor, given as a callback function to
- * rte_mempool_create().
+ * rte_mempool_obj_iter() or rte_mempool_create().
* Set the fields of a packet mbuf to their default values.
*/
void
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);
+ RTE_ASSERT(RTE_ALIGN(priv_size, RTE_MBUF_PRIV_ALIGN) == priv_size);
+ RTE_ASSERT(mp->elt_size >= mbuf_size);
+ RTE_ASSERT(buf_len <= UINT16_MAX);
+ memset(m, 0, mbuf_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_iova = rte_mempool_virt2iova(m) + mbuf_size;
m->buf_len = (uint16_t)buf_len;
/* keep some headroom between start of buffer and data */
/* init some constant fields */
m->pool = mp;
m->nb_segs = 1;
- m->port = 0xff;
+ m->port = MBUF_INVALID_PORT;
+ rte_mbuf_refcnt_set(m, 1);
+ m->next = NULL;
}
-/* helper to create a mbuf pool */
+/* Helper to create a mbuf pool with given mempool ops name*/
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)
+rte_pktmbuf_pool_create_by_ops(const char *name, unsigned int n,
+ unsigned int cache_size, uint16_t priv_size, uint16_t data_room_size,
+ int socket_id, const char *ops_name)
{
+ struct rte_mempool *mp;
struct rte_pktmbuf_pool_private mbp_priv;
+ const char *mp_ops_name = ops_name;
unsigned elt_size;
+ int ret;
if (RTE_ALIGN(priv_size, RTE_MBUF_PRIV_ALIGN) != priv_size) {
RTE_LOG(ERR, MBUF, "mbuf priv_size=%u is not aligned\n",
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);
+ mp = rte_mempool_create_empty(name, n, elt_size, cache_size,
+ sizeof(struct rte_pktmbuf_pool_private), socket_id, 0);
+ if (mp == NULL)
+ return NULL;
+
+ if (mp_ops_name == NULL)
+ mp_ops_name = rte_mbuf_best_mempool_ops();
+ ret = rte_mempool_set_ops_byname(mp, mp_ops_name, NULL);
+ if (ret != 0) {
+ RTE_LOG(ERR, MBUF, "error setting mempool handler\n");
+ rte_mempool_free(mp);
+ rte_errno = -ret;
+ return NULL;
+ }
+ rte_pktmbuf_pool_init(mp, &mbp_priv);
+
+ ret = rte_mempool_populate_default(mp);
+ if (ret < 0) {
+ rte_mempool_free(mp);
+ rte_errno = -ret;
+ return NULL;
+ }
+
+ rte_mempool_obj_iter(mp, rte_pktmbuf_init, NULL);
+
+ return mp;
+}
+
+/* helper to create a mbuf pool */
+struct rte_mempool *
+rte_pktmbuf_pool_create(const char *name, unsigned int n,
+ unsigned int cache_size, uint16_t priv_size, uint16_t data_room_size,
+ int socket_id)
+{
+ return rte_pktmbuf_pool_create_by_ops(name, n, cache_size, priv_size,
+ data_room_size, socket_id, NULL);
}
/* 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;
+ const char *reason;
+
+ if (rte_mbuf_check(m, is_header, &reason))
+ rte_panic("%s\n", reason);
+}
+
+int rte_mbuf_check(const struct rte_mbuf *m, int is_header,
+ const char **reason)
+{
+ unsigned int nb_segs, pkt_len;
- if (m == NULL)
- rte_panic("mbuf is NULL\n");
+ if (m == NULL) {
+ *reason = "mbuf is NULL";
+ return -1;
+ }
/* 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");
+ if (m->pool == NULL) {
+ *reason = "bad mbuf pool";
+ return -1;
+ }
+ if (m->buf_iova == 0) {
+ *reason = "bad IO addr";
+ return -1;
+ }
+ if (m->buf_addr == NULL) {
+ *reason = "bad virt addr";
+ return -1;
+ }
uint16_t cnt = rte_mbuf_refcnt_read(m);
- if ((cnt == 0) || (cnt == UINT16_MAX))
- rte_panic("bad ref cnt\n");
+ if ((cnt == 0) || (cnt == UINT16_MAX)) {
+ *reason = "bad ref cnt";
+ return -1;
+ }
/* nothing to check for sub-segments */
if (is_header == 0)
- return;
+ return 0;
+
+ /* data_len is supposed to be not more than pkt_len */
+ if (m->data_len > m->pkt_len) {
+ *reason = "bad data_len";
+ return -1;
+ }
nb_segs = m->nb_segs;
- m_seg = m;
- while (m_seg && nb_segs != 0) {
- m_seg = m_seg->next;
- nb_segs--;
+ pkt_len = m->pkt_len;
+
+ do {
+ if (m->data_off > m->buf_len) {
+ *reason = "data offset too big in mbuf segment";
+ return -1;
+ }
+ if (m->data_off + m->data_len > m->buf_len) {
+ *reason = "data length too big in mbuf segment";
+ return -1;
+ }
+ nb_segs -= 1;
+ pkt_len -= m->data_len;
+ } while ((m = m->next) != NULL);
+
+ if (nb_segs) {
+ *reason = "bad nb_segs";
+ return -1;
+ }
+ if (pkt_len) {
+ *reason = "bad pkt_len";
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * @internal helper function for freeing a bulk of packet mbuf segments
+ * via an array holding the packet mbuf segments from the same mempool
+ * pending to be freed.
+ *
+ * @param m
+ * The packet mbuf segment to be freed.
+ * @param pending
+ * Pointer to the array of packet mbuf segments pending to be freed.
+ * @param nb_pending
+ * Pointer to the number of elements held in the array.
+ * @param pending_sz
+ * Number of elements the array can hold.
+ * Note: The compiler should optimize this parameter away when using a
+ * constant value, such as RTE_PKTMBUF_FREE_PENDING_SZ.
+ */
+static void
+__rte_pktmbuf_free_seg_via_array(struct rte_mbuf *m,
+ struct rte_mbuf ** const pending, unsigned int * const nb_pending,
+ const unsigned int pending_sz)
+{
+ m = rte_pktmbuf_prefree_seg(m);
+ if (likely(m != NULL)) {
+ if (*nb_pending == pending_sz ||
+ (*nb_pending > 0 && m->pool != pending[0]->pool)) {
+ rte_mempool_put_bulk(pending[0]->pool,
+ (void **)pending, *nb_pending);
+ *nb_pending = 0;
+ }
+
+ pending[(*nb_pending)++] = m;
+ }
+}
+
+/**
+ * Size of the array holding mbufs from the same mempool pending to be freed
+ * in bulk.
+ */
+#define RTE_PKTMBUF_FREE_PENDING_SZ 64
+
+/* Free a bulk of packet mbufs back into their original mempools. */
+void rte_pktmbuf_free_bulk(struct rte_mbuf **mbufs, unsigned int count)
+{
+ struct rte_mbuf *m, *m_next, *pending[RTE_PKTMBUF_FREE_PENDING_SZ];
+ unsigned int idx, nb_pending = 0;
+
+ for (idx = 0; idx < count; idx++) {
+ m = mbufs[idx];
+ if (unlikely(m == NULL))
+ continue;
+
+ __rte_mbuf_sanity_check(m, 1);
+
+ do {
+ m_next = m->next;
+ __rte_pktmbuf_free_seg_via_array(m,
+ pending, &nb_pending,
+ RTE_PKTMBUF_FREE_PENDING_SZ);
+ m = m_next;
+ } while (m != NULL);
+ }
+
+ if (nb_pending > 0)
+ rte_mempool_put_bulk(pending[0]->pool, (void **)pending, nb_pending);
+}
+
+/* Creates a shallow copy of mbuf */
+struct rte_mbuf *
+rte_pktmbuf_clone(struct rte_mbuf *md, struct rte_mempool *mp)
+{
+ struct rte_mbuf *mc, *mi, **prev;
+ uint32_t pktlen;
+ uint16_t nseg;
+
+ mc = rte_pktmbuf_alloc(mp);
+ if (unlikely(mc == NULL))
+ return NULL;
+
+ mi = mc;
+ prev = &mi->next;
+ pktlen = md->pkt_len;
+ nseg = 0;
+
+ do {
+ nseg++;
+ rte_pktmbuf_attach(mi, md);
+ *prev = mi;
+ prev = &mi->next;
+ } while ((md = md->next) != NULL &&
+ (mi = rte_pktmbuf_alloc(mp)) != NULL);
+
+ *prev = NULL;
+ mc->nb_segs = nseg;
+ mc->pkt_len = pktlen;
+
+ /* Allocation of new indirect segment failed */
+ if (unlikely(mi == NULL)) {
+ rte_pktmbuf_free(mc);
+ return NULL;
+ }
+
+ __rte_mbuf_sanity_check(mc, 1);
+ return mc;
+}
+
+/* convert multi-segment mbuf to single mbuf */
+int
+__rte_pktmbuf_linearize(struct rte_mbuf *mbuf)
+{
+ size_t seg_len, copy_len;
+ struct rte_mbuf *m;
+ struct rte_mbuf *m_next;
+ char *buffer;
+
+ /* Extend first segment to the total packet length */
+ copy_len = rte_pktmbuf_pkt_len(mbuf) - rte_pktmbuf_data_len(mbuf);
+
+ if (unlikely(copy_len > rte_pktmbuf_tailroom(mbuf)))
+ return -1;
+
+ buffer = rte_pktmbuf_mtod_offset(mbuf, char *, mbuf->data_len);
+ mbuf->data_len = (uint16_t)(mbuf->pkt_len);
+
+ /* Append data from next segments to the first one */
+ m = mbuf->next;
+ while (m != NULL) {
+ m_next = m->next;
+
+ seg_len = rte_pktmbuf_data_len(m);
+ rte_memcpy(buffer, rte_pktmbuf_mtod(m, char *), seg_len);
+ buffer += seg_len;
+
+ rte_pktmbuf_free_seg(m);
+ m = m_next;
+ }
+
+ mbuf->next = NULL;
+ mbuf->nb_segs = 1;
+
+ return 0;
+}
+
+/* Create a deep copy of mbuf */
+struct rte_mbuf *
+rte_pktmbuf_copy(const struct rte_mbuf *m, struct rte_mempool *mp,
+ uint32_t off, uint32_t len)
+{
+ const struct rte_mbuf *seg = m;
+ struct rte_mbuf *mc, *m_last, **prev;
+
+ /* garbage in check */
+ __rte_mbuf_sanity_check(m, 1);
+
+ /* check for request to copy at offset past end of mbuf */
+ if (unlikely(off >= m->pkt_len))
+ return NULL;
+
+ mc = rte_pktmbuf_alloc(mp);
+ if (unlikely(mc == NULL))
+ return NULL;
+
+ /* truncate requested length to available data */
+ if (len > m->pkt_len - off)
+ len = m->pkt_len - off;
+
+ __rte_pktmbuf_copy_hdr(mc, m);
+
+ /* copied mbuf is not indirect or external */
+ mc->ol_flags = m->ol_flags & ~(IND_ATTACHED_MBUF|EXT_ATTACHED_MBUF);
+
+ prev = &mc->next;
+ m_last = mc;
+ while (len > 0) {
+ uint32_t copy_len;
+
+ /* skip leading mbuf segments */
+ while (off >= seg->data_len) {
+ off -= seg->data_len;
+ seg = seg->next;
+ }
+
+ /* current buffer is full, chain a new one */
+ if (rte_pktmbuf_tailroom(m_last) == 0) {
+ m_last = rte_pktmbuf_alloc(mp);
+ if (unlikely(m_last == NULL)) {
+ rte_pktmbuf_free(mc);
+ return NULL;
+ }
+ ++mc->nb_segs;
+ *prev = m_last;
+ prev = &m_last->next;
+ }
+
+ /*
+ * copy the min of data in input segment (seg)
+ * vs space available in output (m_last)
+ */
+ copy_len = RTE_MIN(seg->data_len - off, len);
+ if (copy_len > rte_pktmbuf_tailroom(m_last))
+ copy_len = rte_pktmbuf_tailroom(m_last);
+
+ /* append from seg to m_last */
+ rte_memcpy(rte_pktmbuf_mtod_offset(m_last, char *,
+ m_last->data_len),
+ rte_pktmbuf_mtod_offset(seg, char *, off),
+ copy_len);
+
+ /* update offsets and lengths */
+ m_last->data_len += copy_len;
+ mc->pkt_len += copy_len;
+ off += copy_len;
+ len -= copy_len;
}
- if (nb_segs != 0)
- rte_panic("bad nb_segs\n");
+
+ /* garbage out check */
+ __rte_mbuf_sanity_check(mc, 1);
+ return mc;
}
/* dump a mbuf on console */
rte_pktmbuf_dump(FILE *f, const struct rte_mbuf *m, unsigned dump_len)
{
unsigned int len;
- unsigned nb_segs;
+ unsigned int 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, "dump mbuf at %p, iova=%"PRIx64", buf_len=%u\n",
+ m, (uint64_t)m->buf_iova, (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);
while (m && nb_segs != 0) {
__rte_mbuf_sanity_check(m, 0);
- fprintf(f, " segment at 0x%p, data=0x%p, data_len=%u\n",
+ fprintf(f, " segment at %p, data=%p, data_len=%u\n",
m, rte_pktmbuf_mtod(m, void *), (unsigned)m->data_len);
len = dump_len;
if (len > m->data_len)
}
}
+/* read len data bytes in a mbuf at specified offset (internal) */
+const void *__rte_pktmbuf_read(const struct rte_mbuf *m, uint32_t off,
+ uint32_t len, void *buf)
+{
+ const struct rte_mbuf *seg = m;
+ uint32_t buf_off = 0, copy_len;
+
+ if (off + len > rte_pktmbuf_pkt_len(m))
+ return NULL;
+
+ while (off >= rte_pktmbuf_data_len(seg)) {
+ off -= rte_pktmbuf_data_len(seg);
+ seg = seg->next;
+ }
+
+ if (off + len <= rte_pktmbuf_data_len(seg))
+ return rte_pktmbuf_mtod_offset(seg, char *, off);
+
+ /* rare case: header is split among several segments */
+ while (len > 0) {
+ copy_len = rte_pktmbuf_data_len(seg) - off;
+ if (copy_len > len)
+ copy_len = len;
+ rte_memcpy((char *)buf + buf_off,
+ rte_pktmbuf_mtod_offset(seg, char *, off), copy_len);
+ off = 0;
+ buf_off += copy_len;
+ len -= copy_len;
+ seg = seg->next;
+ }
+
+ return buf;
+}
+
/*
* 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_VLAN: return "PKT_RX_VLAN";
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_L4_CKSUM_GOOD: return "PKT_RX_L4_CKSUM_GOOD";
+ case PKT_RX_L4_CKSUM_NONE: return "PKT_RX_L4_CKSUM_NONE";
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_IP_CKSUM_GOOD: return "PKT_RX_IP_CKSUM_GOOD";
+ case PKT_RX_IP_CKSUM_NONE: return "PKT_RX_IP_CKSUM_NONE";
+ case PKT_RX_EIP_CKSUM_BAD: return "PKT_RX_EIP_CKSUM_BAD";
+ case PKT_RX_VLAN_STRIPPED: return "PKT_RX_VLAN_STRIPPED";
case PKT_RX_IEEE1588_PTP: return "PKT_RX_IEEE1588_PTP";
case PKT_RX_IEEE1588_TMST: return "PKT_RX_IEEE1588_TMST";
+ case PKT_RX_FDIR_ID: return "PKT_RX_FDIR_ID";
+ case PKT_RX_FDIR_FLX: return "PKT_RX_FDIR_FLX";
+ case PKT_RX_QINQ_STRIPPED: return "PKT_RX_QINQ_STRIPPED";
+ case PKT_RX_QINQ: return "PKT_RX_QINQ";
+ case PKT_RX_LRO: return "PKT_RX_LRO";
+ case PKT_RX_TIMESTAMP: return "PKT_RX_TIMESTAMP";
+ case PKT_RX_SEC_OFFLOAD: return "PKT_RX_SEC_OFFLOAD";
+ case PKT_RX_SEC_OFFLOAD_FAILED: return "PKT_RX_SEC_OFFLOAD_FAILED";
+ case PKT_RX_OUTER_L4_CKSUM_BAD: return "PKT_RX_OUTER_L4_CKSUM_BAD";
+ case PKT_RX_OUTER_L4_CKSUM_GOOD: return "PKT_RX_OUTER_L4_CKSUM_GOOD";
+ case PKT_RX_OUTER_L4_CKSUM_INVALID:
+ return "PKT_RX_OUTER_L4_CKSUM_INVALID";
+
default: return NULL;
}
}
+struct flag_mask {
+ uint64_t flag;
+ uint64_t mask;
+ const char *default_name;
+};
+
+/* write the list of rx ol flags in buffer buf */
+int
+rte_get_rx_ol_flag_list(uint64_t mask, char *buf, size_t buflen)
+{
+ const struct flag_mask rx_flags[] = {
+ { PKT_RX_VLAN, PKT_RX_VLAN, NULL },
+ { PKT_RX_RSS_HASH, PKT_RX_RSS_HASH, NULL },
+ { PKT_RX_FDIR, PKT_RX_FDIR, NULL },
+ { PKT_RX_L4_CKSUM_BAD, PKT_RX_L4_CKSUM_MASK, NULL },
+ { PKT_RX_L4_CKSUM_GOOD, PKT_RX_L4_CKSUM_MASK, NULL },
+ { PKT_RX_L4_CKSUM_NONE, PKT_RX_L4_CKSUM_MASK, NULL },
+ { PKT_RX_L4_CKSUM_UNKNOWN, PKT_RX_L4_CKSUM_MASK,
+ "PKT_RX_L4_CKSUM_UNKNOWN" },
+ { PKT_RX_IP_CKSUM_BAD, PKT_RX_IP_CKSUM_MASK, NULL },
+ { PKT_RX_IP_CKSUM_GOOD, PKT_RX_IP_CKSUM_MASK, NULL },
+ { PKT_RX_IP_CKSUM_NONE, PKT_RX_IP_CKSUM_MASK, NULL },
+ { PKT_RX_IP_CKSUM_UNKNOWN, PKT_RX_IP_CKSUM_MASK,
+ "PKT_RX_IP_CKSUM_UNKNOWN" },
+ { PKT_RX_EIP_CKSUM_BAD, PKT_RX_EIP_CKSUM_BAD, NULL },
+ { PKT_RX_VLAN_STRIPPED, PKT_RX_VLAN_STRIPPED, NULL },
+ { PKT_RX_IEEE1588_PTP, PKT_RX_IEEE1588_PTP, NULL },
+ { PKT_RX_IEEE1588_TMST, PKT_RX_IEEE1588_TMST, NULL },
+ { PKT_RX_FDIR_ID, PKT_RX_FDIR_ID, NULL },
+ { PKT_RX_FDIR_FLX, PKT_RX_FDIR_FLX, NULL },
+ { PKT_RX_QINQ_STRIPPED, PKT_RX_QINQ_STRIPPED, NULL },
+ { PKT_RX_LRO, PKT_RX_LRO, NULL },
+ { PKT_RX_TIMESTAMP, PKT_RX_TIMESTAMP, NULL },
+ { PKT_RX_SEC_OFFLOAD, PKT_RX_SEC_OFFLOAD, NULL },
+ { PKT_RX_SEC_OFFLOAD_FAILED, PKT_RX_SEC_OFFLOAD_FAILED, NULL },
+ { PKT_RX_QINQ, PKT_RX_QINQ, NULL },
+ { PKT_RX_OUTER_L4_CKSUM_BAD, PKT_RX_OUTER_L4_CKSUM_MASK, NULL },
+ { PKT_RX_OUTER_L4_CKSUM_GOOD, PKT_RX_OUTER_L4_CKSUM_MASK,
+ NULL },
+ { PKT_RX_OUTER_L4_CKSUM_INVALID, PKT_RX_OUTER_L4_CKSUM_MASK,
+ NULL },
+ { PKT_RX_OUTER_L4_CKSUM_UNKNOWN, PKT_RX_OUTER_L4_CKSUM_MASK,
+ "PKT_RX_OUTER_L4_CKSUM_UNKNOWN" },
+ };
+ const char *name;
+ unsigned int i;
+ int ret;
+
+ if (buflen == 0)
+ return -1;
+
+ buf[0] = '\0';
+ for (i = 0; i < RTE_DIM(rx_flags); i++) {
+ if ((mask & rx_flags[i].mask) != rx_flags[i].flag)
+ continue;
+ name = rte_get_rx_ol_flag_name(rx_flags[i].flag);
+ if (name == NULL)
+ name = rx_flags[i].default_name;
+ ret = snprintf(buf, buflen, "%s ", name);
+ if (ret < 0)
+ return -1;
+ if ((size_t)ret >= buflen)
+ return -1;
+ buf += ret;
+ buflen -= ret;
+ }
+
+ return 0;
+}
+
/*
* 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_VLAN: return "PKT_TX_VLAN";
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_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";
+ case PKT_TX_TUNNEL_VXLAN: return "PKT_TX_TUNNEL_VXLAN";
+ case PKT_TX_TUNNEL_GTP: return "PKT_TX_TUNNEL_GTP";
+ case PKT_TX_TUNNEL_GRE: return "PKT_TX_TUNNEL_GRE";
+ case PKT_TX_TUNNEL_IPIP: return "PKT_TX_TUNNEL_IPIP";
+ case PKT_TX_TUNNEL_GENEVE: return "PKT_TX_TUNNEL_GENEVE";
+ case PKT_TX_TUNNEL_MPLSINUDP: return "PKT_TX_TUNNEL_MPLSINUDP";
+ case PKT_TX_TUNNEL_VXLAN_GPE: return "PKT_TX_TUNNEL_VXLAN_GPE";
+ case PKT_TX_TUNNEL_IP: return "PKT_TX_TUNNEL_IP";
+ case PKT_TX_TUNNEL_UDP: return "PKT_TX_TUNNEL_UDP";
+ case PKT_TX_QINQ: return "PKT_TX_QINQ";
+ case PKT_TX_MACSEC: return "PKT_TX_MACSEC";
+ case PKT_TX_SEC_OFFLOAD: return "PKT_TX_SEC_OFFLOAD";
+ case PKT_TX_UDP_SEG: return "PKT_TX_UDP_SEG";
+ case PKT_TX_OUTER_UDP_CKSUM: return "PKT_TX_OUTER_UDP_CKSUM";
default: return NULL;
}
}
+
+/* write the list of tx ol flags in buffer buf */
+int
+rte_get_tx_ol_flag_list(uint64_t mask, char *buf, size_t buflen)
+{
+ const struct flag_mask tx_flags[] = {
+ { PKT_TX_VLAN, PKT_TX_VLAN, NULL },
+ { PKT_TX_IP_CKSUM, PKT_TX_IP_CKSUM, NULL },
+ { PKT_TX_TCP_CKSUM, PKT_TX_L4_MASK, NULL },
+ { PKT_TX_SCTP_CKSUM, PKT_TX_L4_MASK, NULL },
+ { PKT_TX_UDP_CKSUM, PKT_TX_L4_MASK, NULL },
+ { PKT_TX_L4_NO_CKSUM, PKT_TX_L4_MASK, "PKT_TX_L4_NO_CKSUM" },
+ { PKT_TX_IEEE1588_TMST, PKT_TX_IEEE1588_TMST, NULL },
+ { PKT_TX_TCP_SEG, PKT_TX_TCP_SEG, NULL },
+ { PKT_TX_IPV4, PKT_TX_IPV4, NULL },
+ { PKT_TX_IPV6, PKT_TX_IPV6, NULL },
+ { PKT_TX_OUTER_IP_CKSUM, PKT_TX_OUTER_IP_CKSUM, NULL },
+ { PKT_TX_OUTER_IPV4, PKT_TX_OUTER_IPV4, NULL },
+ { PKT_TX_OUTER_IPV6, PKT_TX_OUTER_IPV6, NULL },
+ { PKT_TX_TUNNEL_VXLAN, PKT_TX_TUNNEL_MASK, NULL },
+ { PKT_TX_TUNNEL_GTP, PKT_TX_TUNNEL_MASK, NULL },
+ { PKT_TX_TUNNEL_GRE, PKT_TX_TUNNEL_MASK, NULL },
+ { PKT_TX_TUNNEL_IPIP, PKT_TX_TUNNEL_MASK, NULL },
+ { PKT_TX_TUNNEL_GENEVE, PKT_TX_TUNNEL_MASK, NULL },
+ { PKT_TX_TUNNEL_MPLSINUDP, PKT_TX_TUNNEL_MASK, NULL },
+ { PKT_TX_TUNNEL_VXLAN_GPE, PKT_TX_TUNNEL_MASK, NULL },
+ { PKT_TX_TUNNEL_IP, PKT_TX_TUNNEL_MASK, NULL },
+ { PKT_TX_TUNNEL_UDP, PKT_TX_TUNNEL_MASK, NULL },
+ { PKT_TX_QINQ, PKT_TX_QINQ, NULL },
+ { PKT_TX_MACSEC, PKT_TX_MACSEC, NULL },
+ { PKT_TX_SEC_OFFLOAD, PKT_TX_SEC_OFFLOAD, NULL },
+ { PKT_TX_UDP_SEG, PKT_TX_UDP_SEG, NULL },
+ { PKT_TX_OUTER_UDP_CKSUM, PKT_TX_OUTER_UDP_CKSUM, NULL },
+ };
+ const char *name;
+ unsigned int i;
+ int ret;
+
+ if (buflen == 0)
+ return -1;
+
+ buf[0] = '\0';
+ for (i = 0; i < RTE_DIM(tx_flags); i++) {
+ if ((mask & tx_flags[i].mask) != tx_flags[i].flag)
+ continue;
+ name = rte_get_tx_ol_flag_name(tx_flags[i].flag);
+ if (name == NULL)
+ name = tx_flags[i].default_name;
+ ret = snprintf(buf, buflen, "%s ", name);
+ if (ret < 0)
+ return -1;
+ if ((size_t)ret >= buflen)
+ return -1;
+ buf += ret;
+ buflen -= ret;
+ }
+
+ return 0;
+}
git.droids-corp.org / dpdk.git / blobdiff