diff options
Diffstat (limited to 'src/dpdk_lib18/librte_port/rte_port_sched.c')
| -rwxr-xr-x | src/dpdk_lib18/librte_port/rte_port_sched.c | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/src/dpdk_lib18/librte_port/rte_port_sched.c b/src/dpdk_lib18/librte_port/rte_port_sched.c deleted file mode 100755 index 2107f4c8..00000000 --- a/src/dpdk_lib18/librte_port/rte_port_sched.c +++ /dev/null @@ -1,239 +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_malloc.h> - -#include "rte_port_sched.h" - -/* - * Reader - */ -struct rte_port_sched_reader { - struct rte_sched_port *sched; -}; - -static void * -rte_port_sched_reader_create(void *params, int socket_id) -{ - struct rte_port_sched_reader_params *conf = - (struct rte_port_sched_reader_params *) params; - struct rte_port_sched_reader *port; - - /* Check input parameters */ - if ((conf == NULL) || - (conf->sched == NULL)) { - RTE_LOG(ERR, PORT, "%s: Invalid params\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->sched = conf->sched; - - return port; -} - -static int -rte_port_sched_reader_rx(void *port, struct rte_mbuf **pkts, uint32_t n_pkts) -{ - struct rte_port_sched_reader *p = (struct rte_port_sched_reader *) port; - - return rte_sched_port_dequeue(p->sched, pkts, n_pkts); -} - -static int -rte_port_sched_reader_free(void *port) -{ - if (port == NULL) { - RTE_LOG(ERR, PORT, "%s: port is NULL\n", __func__); - return -EINVAL; - } - - rte_free(port); - - return 0; -} - -/* - * Writer - */ -struct rte_port_sched_writer { - struct rte_mbuf *tx_buf[2 * RTE_PORT_IN_BURST_SIZE_MAX]; - struct rte_sched_port *sched; - uint32_t tx_burst_sz; - uint32_t tx_buf_count; - uint64_t bsz_mask; -}; - -static void * -rte_port_sched_writer_create(void *params, int socket_id) -{ - struct rte_port_sched_writer_params *conf = - (struct rte_port_sched_writer_params *) params; - struct rte_port_sched_writer *port; - - /* Check input parameters */ - if ((conf == NULL) || - (conf->sched == 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 params\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->sched = conf->sched; - 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 int -rte_port_sched_writer_tx(void *port, struct rte_mbuf *pkt) -{ - struct rte_port_sched_writer *p = (struct rte_port_sched_writer *) port; - - p->tx_buf[p->tx_buf_count++] = pkt; - if (p->tx_buf_count >= p->tx_burst_sz) { - rte_sched_port_enqueue(p->sched, p->tx_buf, p->tx_buf_count); - p->tx_buf_count = 0; - } - - return 0; -} - -static int -rte_port_sched_writer_tx_bulk(void *port, - struct rte_mbuf **pkts, - uint64_t pkts_mask) -{ - struct rte_port_sched_writer *p = (struct rte_port_sched_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); - - if (tx_buf_count) { - rte_sched_port_enqueue(p->sched, p->tx_buf, - tx_buf_count); - p->tx_buf_count = 0; - } - - rte_sched_port_enqueue(p->sched, pkts, n_pkts); - } 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) { - rte_sched_port_enqueue(p->sched, p->tx_buf, - tx_buf_count); - p->tx_buf_count = 0; - } - } - - return 0; -} - -static int -rte_port_sched_writer_flush(void *port) -{ - struct rte_port_sched_writer *p = (struct rte_port_sched_writer *) port; - - if (p->tx_buf_count) { - rte_sched_port_enqueue(p->sched, p->tx_buf, p->tx_buf_count); - p->tx_buf_count = 0; - } - - return 0; -} - -static int -rte_port_sched_writer_free(void *port) -{ - if (port == NULL) { - RTE_LOG(ERR, PORT, "%s: port is NULL\n", __func__); - return -EINVAL; - } - - rte_port_sched_writer_flush(port); - rte_free(port); - - return 0; -} - -/* - * Summary of port operations - */ -struct rte_port_in_ops rte_port_sched_reader_ops = { - .f_create = rte_port_sched_reader_create, - .f_free = rte_port_sched_reader_free, - .f_rx = rte_port_sched_reader_rx, -}; - -struct rte_port_out_ops rte_port_sched_writer_ops = { - .f_create = rte_port_sched_writer_create, - .f_free = rte_port_sched_writer_free, - .f_tx = rte_port_sched_writer_tx, - .f_tx_bulk = rte_port_sched_writer_tx_bulk, - .f_flush = rte_port_sched_writer_flush, -}; 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