-/*-
- * 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
- * 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
*/
#include <string.h>
#include <rte_ether.h>
#include <rte_ip_frag.h>
+#include <rte_memory.h>
#include "rte_port_frag.h"
-/* Default byte size for the IPv4 Maximum Transfer Unit (MTU).
- * This value includes the size of IPv4 header. */
-#define IPV4_MTU_DEFAULT ETHER_MTU
-
/* Max number of fragments per packet allowed */
-#define IPV4_MAX_FRAGS_PER_PACKET 0x80
+#define RTE_PORT_FRAG_MAX_FRAGS_PER_PACKET 0x80
+
+#ifdef RTE_PORT_STATS_COLLECT
+
+#define RTE_PORT_RING_READER_FRAG_STATS_PKTS_IN_ADD(port, val) \
+ port->stats.n_pkts_in += val
+#define RTE_PORT_RING_READER_FRAG_STATS_PKTS_DROP_ADD(port, val) \
+ port->stats.n_pkts_drop += val
+
+#else
+
+#define RTE_PORT_RING_READER_FRAG_STATS_PKTS_IN_ADD(port, val)
+#define RTE_PORT_RING_READER_FRAG_STATS_PKTS_DROP_ADD(port, val)
+
+#endif
+
+typedef int32_t
+ (*frag_op)(struct rte_mbuf *pkt_in,
+ struct rte_mbuf **pkts_out,
+ uint16_t nb_pkts_out,
+ uint16_t mtu_size,
+ struct rte_mempool *pool_direct,
+ struct rte_mempool *pool_indirect);
+
+struct rte_port_ring_reader_frag {
+ struct rte_port_in_stats stats;
-struct rte_port_ring_reader_ipv4_frag {
/* Input parameters */
struct rte_ring *ring;
uint32_t mtu;
/* Internal buffers */
struct rte_mbuf *pkts[RTE_PORT_IN_BURST_SIZE_MAX];
- struct rte_mbuf *frags[IPV4_MAX_FRAGS_PER_PACKET];
+ struct rte_mbuf *frags[RTE_PORT_FRAG_MAX_FRAGS_PER_PACKET];
uint32_t n_pkts;
uint32_t pos_pkts;
uint32_t n_frags;
uint32_t pos_frags;
+
+ frag_op f_frag;
} __rte_cache_aligned;
static void *
-rte_port_ring_reader_ipv4_frag_create(void *params, int socket_id)
+rte_port_ring_reader_frag_create(void *params, int socket_id, int is_ipv4)
{
- struct rte_port_ring_reader_ipv4_frag_params *conf =
- (struct rte_port_ring_reader_ipv4_frag_params *) params;
- struct rte_port_ring_reader_ipv4_frag *port;
+ struct rte_port_ring_reader_frag_params *conf =
+ params;
+ struct rte_port_ring_reader_frag *port;
/* Check input parameters */
if (conf == NULL) {
}
/* Memory allocation */
- port = rte_zmalloc_socket("PORT", sizeof(*port), CACHE_LINE_SIZE,
+ port = rte_zmalloc_socket("PORT", sizeof(*port), RTE_CACHE_LINE_SIZE,
socket_id);
if (port == NULL) {
RTE_LOG(ERR, PORT, "%s: port is NULL\n", __func__);
port->n_frags = 0;
port->pos_frags = 0;
+ port->f_frag = (is_ipv4) ?
+ rte_ipv4_fragment_packet : rte_ipv6_fragment_packet;
+
return port;
}
+static void *
+rte_port_ring_reader_ipv4_frag_create(void *params, int socket_id)
+{
+ return rte_port_ring_reader_frag_create(params, socket_id, 1);
+}
+
+static void *
+rte_port_ring_reader_ipv6_frag_create(void *params, int socket_id)
+{
+ return rte_port_ring_reader_frag_create(params, socket_id, 0);
+}
+
static int
-rte_port_ring_reader_ipv4_frag_rx(void *port,
+rte_port_ring_reader_frag_rx(void *port,
struct rte_mbuf **pkts,
uint32_t n_pkts)
{
- struct rte_port_ring_reader_ipv4_frag *p =
- (struct rte_port_ring_reader_ipv4_frag *) port;
+ struct rte_port_ring_reader_frag *p =
+ port;
uint32_t n_pkts_out;
n_pkts_out = 0;
/* If "pkts" buffer is empty, read packet burst from ring */
if (p->n_pkts == 0) {
p->n_pkts = rte_ring_sc_dequeue_burst(p->ring,
- (void **) p->pkts, RTE_PORT_IN_BURST_SIZE_MAX);
+ (void **) p->pkts, RTE_PORT_IN_BURST_SIZE_MAX,
+ NULL);
+ RTE_PORT_RING_READER_FRAG_STATS_PKTS_IN_ADD(p, p->n_pkts);
if (p->n_pkts == 0)
return n_pkts_out;
p->pos_pkts = 0;
p->n_pkts--;
/* If not jumbo, pass current packet to output */
- if (pkt->pkt.pkt_len <= IPV4_MTU_DEFAULT) {
+ if (pkt->pkt_len <= p->mtu) {
pkts[n_pkts_out++] = pkt;
n_pkts_to_provide = n_pkts - n_pkts_out;
}
/* Fragment current packet into the "frags" buffer */
- status = rte_ipv4_fragment_packet(
+ status = p->f_frag(
pkt,
p->frags,
- IPV4_MAX_FRAGS_PER_PACKET,
+ RTE_PORT_FRAG_MAX_FRAGS_PER_PACKET,
p->mtu,
p->pool_direct,
p->pool_indirect
if (status < 0) {
rte_pktmbuf_free(pkt);
+ RTE_PORT_RING_READER_FRAG_STATS_PKTS_DROP_ADD(p, 1);
continue;
}
/* Copy meta-data from input jumbo packet to its fragments */
for (i = 0; i < p->n_frags; i++) {
- uint8_t *src = RTE_MBUF_METADATA_UINT8_PTR(pkt, 0);
+ uint8_t *src =
+ RTE_MBUF_METADATA_UINT8_PTR(pkt, sizeof(struct rte_mbuf));
uint8_t *dst =
- RTE_MBUF_METADATA_UINT8_PTR(p->frags[i], 0);
+ RTE_MBUF_METADATA_UINT8_PTR(p->frags[i], sizeof(struct rte_mbuf));
memcpy(dst, src, p->metadata_size);
}
}
static int
-rte_port_ring_reader_ipv4_frag_free(void *port)
+rte_port_ring_reader_frag_free(void *port)
{
if (port == NULL) {
RTE_LOG(ERR, PORT, "%s: Parameter port is NULL\n", __func__);
return 0;
}
+static int
+rte_port_frag_reader_stats_read(void *port,
+ struct rte_port_in_stats *stats, int clear)
+{
+ struct rte_port_ring_reader_frag *p =
+ port;
+
+ if (stats != NULL)
+ memcpy(stats, &p->stats, sizeof(p->stats));
+
+ if (clear)
+ memset(&p->stats, 0, sizeof(p->stats));
+
+ return 0;
+}
+
/*
* Summary of port operations
*/
struct rte_port_in_ops rte_port_ring_reader_ipv4_frag_ops = {
.f_create = rte_port_ring_reader_ipv4_frag_create,
- .f_free = rte_port_ring_reader_ipv4_frag_free,
- .f_rx = rte_port_ring_reader_ipv4_frag_rx,
+ .f_free = rte_port_ring_reader_frag_free,
+ .f_rx = rte_port_ring_reader_frag_rx,
+ .f_stats = rte_port_frag_reader_stats_read,
+};
+
+struct rte_port_in_ops rte_port_ring_reader_ipv6_frag_ops = {
+ .f_create = rte_port_ring_reader_ipv6_frag_create,
+ .f_free = rte_port_ring_reader_frag_free,
+ .f_rx = rte_port_ring_reader_frag_rx,
+ .f_stats = rte_port_frag_reader_stats_read,
};
git.droids-corp.org / dpdk.git / blobdiff