diff options
author | Luca Boccassi <luca.boccassi@gmail.com> | 2018-11-01 11:59:50 +0000 |
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committer | Luca Boccassi <luca.boccassi@gmail.com> | 2018-11-01 12:00:19 +0000 |
commit | 8d01b9cd70a67cdafd5b965a70420c3bd7fb3f82 (patch) | |
tree | 208e3bc33c220854d89d010e3abf720a2e62e546 /lib/librte_port/rte_port_sym_crypto.c | |
parent | b63264c8342e6a1b6971c79550d2af2024b6a4de (diff) |
New upstream version 18.11-rc1upstream/18.11-rc1
Change-Id: Iaa71986dd6332e878d8f4bf493101b2bbc6313bb
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'lib/librte_port/rte_port_sym_crypto.c')
-rw-r--r-- | lib/librte_port/rte_port_sym_crypto.c | 552 |
1 files changed, 552 insertions, 0 deletions
diff --git a/lib/librte_port/rte_port_sym_crypto.c b/lib/librte_port/rte_port_sym_crypto.c new file mode 100644 index 00000000..295984d0 --- /dev/null +++ b/lib/librte_port/rte_port_sym_crypto.c @@ -0,0 +1,552 @@ +/* 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, +}; |