--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation
+ */
+#include <string.h>
+
+#include <rte_common.h>
+#include <rte_malloc.h>
+
+#include "rte_port_sym_crypto.h"
+
+/*
+ * Port Crypto Reader
+ */
+#ifdef RTE_PORT_STATS_COLLECT
+
+#define RTE_PORT_SYM_CRYPTO_READER_STATS_PKTS_IN_ADD(port, val) \
+ (port)->stats.n_pkts_in += (val)
+#define RTE_PORT_SYM_CRYPTO_READER_STATS_PKTS_DROP_ADD(port, val) \
+ (port)->stats.n_pkts_drop += (val)
+
+#else
+
+#define RTE_PORT_SYM_CRYPTO_READER_STATS_PKTS_IN_ADD(port, val)
+#define RTE_PORT_SYM_CRYPTO_READER_STATS_PKTS_DROP_ADD(port, val)
+
+#endif
+
+struct rte_port_sym_crypto_reader {
+ struct rte_port_in_stats stats;
+
+ uint8_t cryptodev_id;
+ uint16_t queue_id;
+ struct rte_crypto_op *ops[RTE_PORT_IN_BURST_SIZE_MAX];
+ rte_port_sym_crypto_reader_callback_fn f_callback;
+ void *arg_callback;
+};
+
+static void *
+rte_port_sym_crypto_reader_create(void *params, int socket_id)
+{
+ struct rte_port_sym_crypto_reader_params *conf =
+ params;
+ struct rte_port_sym_crypto_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->cryptodev_id = conf->cryptodev_id;
+ port->queue_id = conf->queue_id;
+ port->f_callback = conf->f_callback;
+ port->arg_callback = conf->arg_callback;
+
+ return port;
+}
+
+static int
+rte_port_sym_crypto_reader_rx(void *port, struct rte_mbuf **pkts, uint32_t n_pkts)
+{
+ struct rte_port_sym_crypto_reader *p =
+ port;
+ uint16_t rx_ops_cnt, i, n = 0;
+
+ rx_ops_cnt = rte_cryptodev_dequeue_burst(p->cryptodev_id, p->queue_id,
+ p->ops, n_pkts);
+
+ for (i = 0; i < rx_ops_cnt; i++) {
+ struct rte_crypto_op *op = p->ops[i];
+
+ /** Drop failed pkts */
+ if (unlikely(op->status != RTE_CRYPTO_OP_STATUS_SUCCESS)) {
+ rte_pktmbuf_free(op->sym->m_src);
+ continue;
+ }
+
+ pkts[n++] = op->sym->m_src;
+ }
+
+ if (p->f_callback)
+ (*p->f_callback)(pkts, n, p->arg_callback);
+
+ RTE_PORT_SYM_CRYPTO_READER_STATS_PKTS_IN_ADD(p, n);
+ RTE_PORT_SYM_CRYPTO_READER_STATS_PKTS_DROP_ADD(p, rx_ops_cnt - n);
+
+ return n;
+}
+
+static int
+rte_port_sym_crypto_reader_free(void *port)
+{
+ if (port == NULL) {
+ RTE_LOG(ERR, PORT, "%s: port is NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ rte_free(port);
+
+ return 0;
+}
+
+static int rte_port_sym_crypto_reader_stats_read(void *port,
+ struct rte_port_in_stats *stats, int clear)
+{
+ struct rte_port_sym_crypto_reader *p =
+ port;
+
+ if (stats != NULL)
+ memcpy(stats, &p->stats, sizeof(p->stats));
+
+ if (clear)
+ memset(&p->stats, 0, sizeof(p->stats));
+
+ return 0;
+}
+
+/*
+ * Port crypto Writer
+ */
+#ifdef RTE_PORT_STATS_COLLECT
+
+#define RTE_PORT_SYM_CRYPTO_WRITER_STATS_PKTS_IN_ADD(port, val) \
+ (port)->stats.n_pkts_in += (val)
+#define RTE_PORT_SYM_CRYPTO_WRITER_STATS_PKTS_DROP_ADD(port, val) \
+ (port)->stats.n_pkts_drop += (val)
+
+#else
+
+#define RTE_PORT_SYM_CRYPTO_WRITER_STATS_PKTS_IN_ADD(port, val)
+#define RTE_PORT_SYM_CRYPTO_WRITER_STATS_PKTS_DROP_ADD(port, val)
+
+#endif
+
+struct rte_port_sym_crypto_writer {
+ struct rte_port_out_stats stats;
+
+ struct rte_crypto_op *tx_buf[2 * RTE_PORT_IN_BURST_SIZE_MAX];
+
+ uint32_t tx_burst_sz;
+ uint32_t tx_buf_count;
+ uint64_t bsz_mask;
+
+ uint8_t cryptodev_id;
+ uint16_t queue_id;
+ uint16_t crypto_op_offset;
+};
+
+static void *
+rte_port_sym_crypto_writer_create(void *params, int socket_id)
+{
+ struct rte_port_sym_crypto_writer_params *conf =
+ params;
+ struct rte_port_sym_crypto_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->tx_burst_sz = conf->tx_burst_sz;
+ port->tx_buf_count = 0;
+ port->bsz_mask = 1LLU << (conf->tx_burst_sz - 1);
+
+ port->cryptodev_id = conf->cryptodev_id;
+ port->queue_id = conf->queue_id;
+ port->crypto_op_offset = conf->crypto_op_offset;
+
+ return port;
+}
+
+static inline void
+send_burst(struct rte_port_sym_crypto_writer *p)
+{
+ uint32_t nb_tx;
+
+ nb_tx = rte_cryptodev_enqueue_burst(p->cryptodev_id, p->queue_id,
+ p->tx_buf, p->tx_buf_count);
+
+ RTE_PORT_SYM_CRYPTO_WRITER_STATS_PKTS_DROP_ADD(p, p->tx_buf_count -
+ nb_tx);
+ for (; nb_tx < p->tx_buf_count; nb_tx++)
+ rte_pktmbuf_free(p->tx_buf[nb_tx]->sym->m_src);
+
+ p->tx_buf_count = 0;
+}
+
+static int
+rte_port_sym_crypto_writer_tx(void *port, struct rte_mbuf *pkt)
+{
+ struct rte_port_sym_crypto_writer *p =
+ port;
+
+ p->tx_buf[p->tx_buf_count++] = (struct rte_crypto_op *)
+ RTE_MBUF_METADATA_UINT8_PTR(pkt, p->crypto_op_offset);
+ RTE_PORT_SYM_CRYPTO_WRITER_STATS_PKTS_IN_ADD(p, 1);
+ if (p->tx_buf_count >= p->tx_burst_sz)
+ send_burst(p);
+
+ return 0;
+}
+
+static int
+rte_port_sym_crypto_writer_tx_bulk(void *port,
+ struct rte_mbuf **pkts,
+ uint64_t pkts_mask)
+{
+ struct rte_port_sym_crypto_writer *p =
+ port;
+ uint64_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 i;
+
+ RTE_PORT_SYM_CRYPTO_WRITER_STATS_PKTS_IN_ADD(p, n_pkts);
+
+ for (i = 0; i < n_pkts; i++)
+ p->tx_buf[p->tx_buf_count++] = (struct rte_crypto_op *)
+ RTE_MBUF_METADATA_UINT8_PTR(pkts[i],
+ p->crypto_op_offset);
+
+ 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[tx_buf_count++] = (struct rte_crypto_op *)
+ RTE_MBUF_METADATA_UINT8_PTR(pkt,
+ p->crypto_op_offset);
+
+ RTE_PORT_SYM_CRYPTO_WRITER_STATS_PKTS_IN_ADD(p, 1);
+ pkts_mask &= ~pkt_mask;
+ }
+
+ p->tx_buf_count = tx_buf_count;
+ if (tx_buf_count >= p->tx_burst_sz)
+ send_burst(p);
+ }
+
+ return 0;
+}
+
+static int
+rte_port_sym_crypto_writer_flush(void *port)
+{
+ struct rte_port_sym_crypto_writer *p =
+ port;
+
+ if (p->tx_buf_count > 0)
+ send_burst(p);
+
+ return 0;
+}
+
+static int
+rte_port_sym_crypto_writer_free(void *port)
+{
+ if (port == NULL) {
+ RTE_LOG(ERR, PORT, "%s: Port is NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ rte_port_sym_crypto_writer_flush(port);
+ rte_free(port);
+
+ return 0;
+}
+
+static int rte_port_sym_crypto_writer_stats_read(void *port,
+ struct rte_port_out_stats *stats, int clear)
+{
+ struct rte_port_sym_crypto_writer *p =
+ port;
+
+ if (stats != NULL)
+ memcpy(stats, &p->stats, sizeof(p->stats));
+
+ if (clear)
+ memset(&p->stats, 0, sizeof(p->stats));
+
+ return 0;
+}
+
+/*
+ * Port crypto Writer Nodrop
+ */
+#ifdef RTE_PORT_STATS_COLLECT
+
+#define RTE_PORT_SYM_CRYPTO_WRITER_NODROP_STATS_PKTS_IN_ADD(port, val) \
+ (port)->stats.n_pkts_in += (val)
+#define RTE_PORT_SYM_CRYPTO_WRITER_NODROP_STATS_PKTS_DROP_ADD(port, val) \
+ (port)->stats.n_pkts_drop += (val)
+
+#else
+
+#define RTE_PORT_SYM_CRYPTO_WRITER_NODROP_STATS_PKTS_IN_ADD(port, val)
+#define RTE_PORT_SYM_CRYPTO_WRITER_NODROP_STATS_PKTS_DROP_ADD(port, val)
+
+#endif
+
+struct rte_port_sym_crypto_writer_nodrop {
+ struct rte_port_out_stats stats;
+
+ struct rte_crypto_op *tx_buf[2 * RTE_PORT_IN_BURST_SIZE_MAX];
+ uint32_t tx_burst_sz;
+ uint32_t tx_buf_count;
+ uint64_t bsz_mask;
+ uint64_t n_retries;
+
+ uint8_t cryptodev_id;
+ uint16_t queue_id;
+ uint16_t crypto_op_offset;
+};
+
+static void *
+rte_port_sym_crypto_writer_nodrop_create(void *params, int socket_id)
+{
+ struct rte_port_sym_crypto_writer_nodrop_params *conf =
+ params;
+ struct rte_port_sym_crypto_writer_nodrop *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->cryptodev_id = conf->cryptodev_id;
+ port->queue_id = conf->queue_id;
+ port->crypto_op_offset = conf->crypto_op_offset;
+ port->tx_burst_sz = conf->tx_burst_sz;
+ port->tx_buf_count = 0;
+ port->bsz_mask = 1LLU << (conf->tx_burst_sz - 1);
+
+ /*
+ * When n_retries is 0 it means that we should wait for every packet to
+ * send no matter how many retries should it take. To limit number of
+ * branches in fast path, we use UINT64_MAX instead of branching.
+ */
+ port->n_retries = (conf->n_retries == 0) ? UINT64_MAX : conf->n_retries;
+
+ return port;
+}
+
+static inline void
+send_burst_nodrop(struct rte_port_sym_crypto_writer_nodrop *p)
+{
+ uint32_t nb_tx = 0, i;
+
+ nb_tx = rte_cryptodev_enqueue_burst(p->cryptodev_id, p->queue_id,
+ p->tx_buf, p->tx_buf_count);
+
+ /* We sent all the packets in a first try */
+ if (nb_tx >= p->tx_buf_count) {
+ p->tx_buf_count = 0;
+ return;
+ }
+
+ for (i = 0; i < p->n_retries; i++) {
+ nb_tx += rte_cryptodev_enqueue_burst(p->cryptodev_id,
+ p->queue_id, p->tx_buf + nb_tx,
+ p->tx_buf_count - nb_tx);
+
+ /* We sent all the packets in more than one try */
+ if (nb_tx >= p->tx_buf_count) {
+ p->tx_buf_count = 0;
+ return;
+ }
+ }
+
+ /* We didn't send the packets in maximum allowed attempts */
+ RTE_PORT_SYM_CRYPTO_WRITER_NODROP_STATS_PKTS_DROP_ADD(p,
+ p->tx_buf_count - nb_tx);
+ for ( ; nb_tx < p->tx_buf_count; nb_tx++)
+ rte_pktmbuf_free(p->tx_buf[nb_tx]->sym->m_src);
+
+ p->tx_buf_count = 0;
+}
+
+static int
+rte_port_sym_crypto_writer_nodrop_tx(void *port, struct rte_mbuf *pkt)
+{
+ struct rte_port_sym_crypto_writer_nodrop *p =
+ port;
+
+ p->tx_buf[p->tx_buf_count++] = (struct rte_crypto_op *)
+ RTE_MBUF_METADATA_UINT8_PTR(pkt, p->crypto_op_offset);
+ RTE_PORT_SYM_CRYPTO_WRITER_STATS_PKTS_IN_ADD(p, 1);
+ if (p->tx_buf_count >= p->tx_burst_sz)
+ send_burst_nodrop(p);
+
+ return 0;
+}
+
+static int
+rte_port_sym_crypto_writer_nodrop_tx_bulk(void *port,
+ struct rte_mbuf **pkts,
+ uint64_t pkts_mask)
+{
+ struct rte_port_sym_crypto_writer_nodrop *p =
+ port;
+
+ uint64_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 i;
+
+ RTE_PORT_SYM_CRYPTO_WRITER_NODROP_STATS_PKTS_IN_ADD(p, n_pkts);
+
+ for (i = 0; i < n_pkts; i++)
+ p->tx_buf[p->tx_buf_count++] = (struct rte_crypto_op *)
+ RTE_MBUF_METADATA_UINT8_PTR(pkts[i],
+ p->crypto_op_offset);
+
+ if (p->tx_buf_count >= p->tx_burst_sz)
+ send_burst_nodrop(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[tx_buf_count++] = (struct rte_crypto_op *)
+ RTE_MBUF_METADATA_UINT8_PTR(pkt,
+ p->crypto_op_offset);
+ RTE_PORT_SYM_CRYPTO_WRITER_NODROP_STATS_PKTS_IN_ADD(p,
+ 1);
+ pkts_mask &= ~pkt_mask;
+ }
+
+ p->tx_buf_count = tx_buf_count;
+ if (tx_buf_count >= p->tx_burst_sz)
+ send_burst_nodrop(p);
+ }
+
+ return 0;
+}
+
+static int
+rte_port_sym_crypto_writer_nodrop_flush(void *port)
+{
+ struct rte_port_sym_crypto_writer_nodrop *p =
+ port;
+
+ if (p->tx_buf_count > 0)
+ send_burst_nodrop(p);
+
+ return 0;
+}
+
+static int
+rte_port_sym_crypto_writer_nodrop_free(void *port)
+{
+ if (port == NULL) {
+ RTE_LOG(ERR, PORT, "%s: Port is NULL\n", __func__);
+ return -EINVAL;
+ }
+
+ rte_port_sym_crypto_writer_nodrop_flush(port);
+ rte_free(port);
+
+ return 0;
+}
+
+static int rte_port_sym_crypto_writer_nodrop_stats_read(void *port,
+ struct rte_port_out_stats *stats, int clear)
+{
+ struct rte_port_sym_crypto_writer_nodrop *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_sym_crypto_reader_ops = {
+ .f_create = rte_port_sym_crypto_reader_create,
+ .f_free = rte_port_sym_crypto_reader_free,
+ .f_rx = rte_port_sym_crypto_reader_rx,
+ .f_stats = rte_port_sym_crypto_reader_stats_read,
+};
+
+struct rte_port_out_ops rte_port_sym_crypto_writer_ops = {
+ .f_create = rte_port_sym_crypto_writer_create,
+ .f_free = rte_port_sym_crypto_writer_free,
+ .f_tx = rte_port_sym_crypto_writer_tx,
+ .f_tx_bulk = rte_port_sym_crypto_writer_tx_bulk,
+ .f_flush = rte_port_sym_crypto_writer_flush,
+ .f_stats = rte_port_sym_crypto_writer_stats_read,
+};
+
+struct rte_port_out_ops rte_port_sym_crypto_writer_nodrop_ops = {
+ .f_create = rte_port_sym_crypto_writer_nodrop_create,
+ .f_free = rte_port_sym_crypto_writer_nodrop_free,
+ .f_tx = rte_port_sym_crypto_writer_nodrop_tx,
+ .f_tx_bulk = rte_port_sym_crypto_writer_nodrop_tx_bulk,
+ .f_flush = rte_port_sym_crypto_writer_nodrop_flush,
+ .f_stats = rte_port_sym_crypto_writer_nodrop_stats_read,
+};
Code Review / deb_dpdk.git / blobdiff