diff options
Diffstat (limited to 'src/dpdk_lib18/librte_port/rte_port_ethdev.c')
| -rwxr-xr-x | src/dpdk_lib18/librte_port/rte_port_ethdev.c | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/src/dpdk_lib18/librte_port/rte_port_ethdev.c b/src/dpdk_lib18/librte_port/rte_port_ethdev.c deleted file mode 100755 index d0149133..00000000 --- a/src/dpdk_lib18/librte_port/rte_port_ethdev.c +++ /dev/null @@ -1,305 +0,0 @@ -/*- - * 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. - */ -#include <string.h> - -#include <rte_mbuf.h> -#include <rte_ethdev.h> -#include <rte_malloc.h> - -#include "rte_port_ethdev.h" - -/* - * Port ETHDEV Reader - */ -struct rte_port_ethdev_reader { - uint16_t queue_id; - uint8_t port_id; -}; - -static void * -rte_port_ethdev_reader_create(void *params, int socket_id) -{ - struct rte_port_ethdev_reader_params *conf = - (struct rte_port_ethdev_reader_params *) params; - struct rte_port_ethdev_reader *port; - - /* Check input parameters */ - if (conf == NULL) { - RTE_LOG(ERR, PORT, "%s: params is NULL\n", __func__); - return NULL; - } - - /* Memory allocation */ - port = rte_zmalloc_socket("PORT", sizeof(*port), - RTE_CACHE_LINE_SIZE, socket_id); - if (port == NULL) { - RTE_LOG(ERR, PORT, "%s: Failed to allocate port\n", __func__); - return NULL; - } - - /* Initialization */ - port->port_id = conf->port_id; - port->queue_id = conf->queue_id; - - return port; -} - -static int -rte_port_ethdev_reader_rx(void *port, struct rte_mbuf **pkts, uint32_t n_pkts) -{ - struct rte_port_ethdev_reader *p = - (struct rte_port_ethdev_reader *) port; - - return rte_eth_rx_burst(p->port_id, p->queue_id, pkts, n_pkts); -} - -static int -rte_port_ethdev_reader_free(void *port) -{ - if (port == NULL) { - RTE_LOG(ERR, PORT, "%s: port is NULL\n", __func__); - return -EINVAL; - } - - rte_free(port); - - return 0; -} - -/* - * Port ETHDEV Writer - */ -#define RTE_PORT_ETHDEV_WRITER_APPROACH 1 - -struct rte_port_ethdev_writer { - struct rte_mbuf *tx_buf[2 * RTE_PORT_IN_BURST_SIZE_MAX]; - uint32_t tx_burst_sz; - uint16_t tx_buf_count; - uint64_t bsz_mask; - uint16_t queue_id; - uint8_t port_id; -}; - -static void * -rte_port_ethdev_writer_create(void *params, int socket_id) -{ - struct rte_port_ethdev_writer_params *conf = - (struct rte_port_ethdev_writer_params *) params; - struct rte_port_ethdev_writer *port; - - /* Check input parameters */ - if ((conf == NULL) || - (conf->tx_burst_sz == 0) || - (conf->tx_burst_sz > RTE_PORT_IN_BURST_SIZE_MAX) || - (!rte_is_power_of_2(conf->tx_burst_sz))) { - RTE_LOG(ERR, PORT, "%s: Invalid input parameters\n", __func__); - return NULL; - } - - /* Memory allocation */ - port = rte_zmalloc_socket("PORT", sizeof(*port), - RTE_CACHE_LINE_SIZE, socket_id); - if (port == NULL) { - RTE_LOG(ERR, PORT, "%s: Failed to allocate port\n", __func__); - return NULL; - } - - /* Initialization */ - port->port_id = conf->port_id; - port->queue_id = conf->queue_id; - port->tx_burst_sz = conf->tx_burst_sz; - port->tx_buf_count = 0; - port->bsz_mask = 1LLU << (conf->tx_burst_sz - 1); - - return port; -} - -static inline void -send_burst(struct rte_port_ethdev_writer *p) -{ - uint32_t nb_tx; - - nb_tx = rte_eth_tx_burst(p->port_id, p->queue_id, - p->tx_buf, p->tx_buf_count); - - for ( ; nb_tx < p->tx_buf_count; nb_tx++) - rte_pktmbuf_free(p->tx_buf[nb_tx]); - - p->tx_buf_count = 0; -} - -static int -rte_port_ethdev_writer_tx(void *port, struct rte_mbuf *pkt) -{ - struct rte_port_ethdev_writer *p = - (struct rte_port_ethdev_writer *) port; - - p->tx_buf[p->tx_buf_count++] = pkt; - if (p->tx_buf_count >= p->tx_burst_sz) - send_burst(p); - - return 0; -} - -#if RTE_PORT_ETHDEV_WRITER_APPROACH == 0 - -static int -rte_port_ethdev_writer_tx_bulk(void *port, - struct rte_mbuf **pkts, - uint64_t pkts_mask) -{ - struct rte_port_ethdev_writer *p = - (struct rte_port_ethdev_writer *) port; - - if ((pkts_mask & (pkts_mask + 1)) == 0) { - uint64_t n_pkts = __builtin_popcountll(pkts_mask); - uint32_t i; - - for (i = 0; i < n_pkts; i++) { - struct rte_mbuf *pkt = pkts[i]; - - p->tx_buf[p->tx_buf_count++] = pkt; - if (p->tx_buf_count >= p->tx_burst_sz) - send_burst(p); - } - } else { - for ( ; pkts_mask; ) { - uint32_t pkt_index = __builtin_ctzll(pkts_mask); - uint64_t pkt_mask = 1LLU << pkt_index; - struct rte_mbuf *pkt = pkts[pkt_index]; - - p->tx_buf[p->tx_buf_count++] = pkt; - if (p->tx_buf_count >= p->tx_burst_sz) - send_burst(p); - pkts_mask &= ~pkt_mask; - } - } - - return 0; -} - -#elif RTE_PORT_ETHDEV_WRITER_APPROACH == 1 - -static int -rte_port_ethdev_writer_tx_bulk(void *port, - struct rte_mbuf **pkts, - uint64_t pkts_mask) -{ - struct rte_port_ethdev_writer *p = - (struct rte_port_ethdev_writer *) port; - uint32_t bsz_mask = p->bsz_mask; - uint32_t tx_buf_count = p->tx_buf_count; - uint64_t expr = (pkts_mask & (pkts_mask + 1)) | - ((pkts_mask & bsz_mask) ^ bsz_mask); - - if (expr == 0) { - uint64_t n_pkts = __builtin_popcountll(pkts_mask); - uint32_t n_pkts_ok; - - if (tx_buf_count) - send_burst(p); - - n_pkts_ok = rte_eth_tx_burst(p->port_id, p->queue_id, pkts, - n_pkts); - - for ( ; n_pkts_ok < n_pkts; n_pkts_ok++) { - struct rte_mbuf *pkt = pkts[n_pkts_ok]; - - rte_pktmbuf_free(pkt); - } - } else { - for ( ; pkts_mask; ) { - uint32_t pkt_index = __builtin_ctzll(pkts_mask); - uint64_t pkt_mask = 1LLU << pkt_index; - struct rte_mbuf *pkt = pkts[pkt_index]; - - p->tx_buf[tx_buf_count++] = pkt; - pkts_mask &= ~pkt_mask; - } - - p->tx_buf_count = tx_buf_count; - if (tx_buf_count >= p->tx_burst_sz) - send_burst(p); - } - - return 0; -} - -#else - -#error Invalid value for RTE_PORT_ETHDEV_WRITER_APPROACH - -#endif - -static int -rte_port_ethdev_writer_flush(void *port) -{ - struct rte_port_ethdev_writer *p = - (struct rte_port_ethdev_writer *) port; - - if (p->tx_buf_count > 0) - send_burst(p); - - return 0; -} - -static int -rte_port_ethdev_writer_free(void *port) -{ - if (port == NULL) { - RTE_LOG(ERR, PORT, "%s: Port is NULL\n", __func__); - return -EINVAL; - } - - rte_port_ethdev_writer_flush(port); - rte_free(port); - - return 0; -} - -/* - * Summary of port operations - */ -struct rte_port_in_ops rte_port_ethdev_reader_ops = { - .f_create = rte_port_ethdev_reader_create, - .f_free = rte_port_ethdev_reader_free, - .f_rx = rte_port_ethdev_reader_rx, -}; - -struct rte_port_out_ops rte_port_ethdev_writer_ops = { - .f_create = rte_port_ethdev_writer_create, - .f_free = rte_port_ethdev_writer_free, - .f_tx = rte_port_ethdev_writer_tx, - .f_tx_bulk = rte_port_ethdev_writer_tx_bulk, - .f_flush = rte_port_ethdev_writer_flush, -}; |