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-rw-r--r--AAL/qat/libcrypto.c864
1 files changed, 864 insertions, 0 deletions
diff --git a/AAL/qat/libcrypto.c b/AAL/qat/libcrypto.c
new file mode 100644
index 0000000..9962e26
--- /dev/null
+++ b/AAL/qat/libcrypto.c
@@ -0,0 +1,864 @@
+#include "libcrypto.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <unistd.h>
+
+#include <rte_eal.h>
+#include <rte_ethdev.h> // struct rte_eth_conf
+#include <rte_cycles.h> // rte_get_timer_hz()
+#include <rte_lcore.h> // rte_pktmbuf_pool_create
+#include <rte_ring.h> // fifo's
+#include <rte_errno.h>
+#include <rte_spinlock.h>
+#include <rte_cryptodev.h>
+#include <pthread.h>
+
+
+
+#define NUM_MBUFS (8191)
+#define MBUF_CACHE_SIZE (256)
+#define MBUF_DATAPAYLOAD_SIZE (2048 + DIGEST_BYTE_LENGTH_SHA512)
+#define MBUF_SIZE (sizeof(struct rte_mbuf) + \
+ RTE_PKTMBUF_HEADROOM + MBUF_DATAPAYLOAD_SIZE)
+
+
+#define BYTE_LENGTH(x) (x/8)
+#define DIGEST_BYTE_LENGTH_SHA512 (BYTE_LENGTH(512))
+
+#define DEFAULT_NUM_XFORMS (2)
+#define MAX_BURST_SIZE (32)
+
+#define RETURN_ADDR_FIFO_SIZE (8192*8)
+#define SEQUENCE_FIFO_SIZE (8192*8)
+
+
+#define IV_OFFSET (sizeof(struct rte_crypto_op) + \
+ sizeof(struct rte_crypto_sym_op))
+
+#define TEST_HEXDUMP(file, title, buf, len) rte_hexdump(file, title, buf, len)
+
+
+/* Only support EEA3 */
+#define CONSTRUCT_IV(IV, COUNT, BEARER, DIRECTION)\
+ do { \
+ IV[0] = (COUNT>>24) & 0xFF;\
+ IV[1] = (COUNT>>16) & 0xFF;\
+ IV[2] = (COUNT>>8) & 0xFF;\
+ IV[3] = COUNT & 0xFF;\
+ IV[4] = ((BEARER << 3) | ((DIRECTION&1)<<2)) & 0xFC;\
+ IV[5] = 0;\
+ IV[6] = 0;\
+ IV[7] = 0;\
+ IV[8] = IV[0];\
+ IV[9] = IV[1];\
+ IV[10] = IV[2];\
+ IV[11] = IV[3];\
+ IV[12] = IV[4];\
+ IV[13] = IV[5];\
+ IV[14] = IV[6];\
+ IV[15] = IV[7];\
+ } while(0)
+
+#define CIPHER2WOKER_FIFO_SIZE (4096*2)
+
+
+struct pkt_buffer {
+ unsigned len;
+ struct rte_mbuf *buffer[MAX_BURST_SIZE];
+ data_out_t callback_data[MAX_BURST_SIZE];
+};
+
+
+#define RA_FIFO
+typedef struct {
+ symmetric_key_t key;
+ struct rte_mbuf *mbuf;
+#ifdef RA_FIFO
+ struct rte_ring *return_addr_fifo;
+#endif
+ data_ctx_t data_ctx;
+ uint16_t index;
+ rte_spinlock_t lock;
+ algo_type_t type;
+ uint64_t rx_count;
+ uint64_t tx_count;
+ struct pkt_buffer pkt_buf;
+
+/*qat*/
+ struct rte_crypto_op *op[MAX_BURST_SIZE];
+ struct rte_mbuf *ibuf[MAX_BURST_SIZE];
+ struct rte_mbuf *obuf[MAX_BURST_SIZE];
+ //uint16_t length[MAX_PKT_BURST];
+ //data_t data_in[MAX_PKT_BURST];
+ //data_t data_out[MAX_PKT_BURST];
+ //unsigned datain_num;
+} sec_ctx_s;
+
+
+
+
+
+typedef struct
+{
+/////////////////////////////
+ struct rte_mempool *mbuf_pool;
+ struct rte_mempool *op_mpool;
+ struct rte_mempool *session_mpool;
+ struct rte_cryptodev_config conf;
+ struct rte_cryptodev_qp_conf qp_conf;
+ uint8_t valid_devs[RTE_CRYPTO_MAX_DEVS];
+ uint8_t valid_dev_count;
+//////////////////////////
+ struct rte_crypto_sym_xform cipher_xform;
+ struct rte_crypto_sym_xform auth_xform;
+ struct rte_crypto_sym_xform aead_xform;
+ struct rte_cryptodev_sym_session *sess;
+ sec_ctx_s *sec_ctx_array[MAX_BURST_SIZE];
+ struct pkt_buffer pkt_buf;
+ uint8_t *digest;
+ rte_spinlock_t queue_lock;
+ long enqueue_sum;
+ long dequeue_sum;
+}nectar_ctx_s;
+
+typedef struct {
+ struct rte_mempool *mbuf_pool;
+ callback_t __callback;
+ uint64_t timeout_ticks;
+ uint32_t sec_ctx_count;
+ uint8_t crypto_port;
+} crypto_ctx_s;
+
+
+typedef struct {
+ uint16_t data_original_len;
+ data_t data_out;
+ sec_ctx_s *sec_ctx;
+}cipher2worker_ctx_s;
+
+long count;
+
+#if 0
+
+#endif
+
+
+static int gbl_driver_id;
+volatile uint8_t running;
+static crypto_ctx_s* crypto_ctx = NULL;
+static nectar_ctx_s nectar_ctx = { NULL };
+static sec_ctx_s* g_sec_ctx;
+
+static struct rte_ring *sequence_fifo;
+rte_spinlock_t sequence_fifo_lock;
+
+rte_spinlock_t new_sec_ctx_lock;
+
+/*连接nt_crypto_cipher和nt_crypto_worker*/
+struct rte_ring *cipher2worker;
+
+static void print_stat(void) {
+
+}
+
+
+static void empty_inflight(void) {
+ printf ("\nWaiting on inflights !!\n");
+
+}
+
+/*同步加密接口*/
+static struct rte_crypto_op *
+process_crypto_request(uint8_t dev_id, struct rte_crypto_op *op)
+{
+ if (rte_cryptodev_enqueue_burst(dev_id, 0, &op, 1) != 1) {
+ printf("Error sending packet for encryption");
+ return NULL;
+ }
+
+ op = NULL;
+
+ while (rte_cryptodev_dequeue_burst(dev_id, 0, &op, 1) == 0)
+ rte_pause();
+ //printf("xxxxxxxxxxxx op = %p\n", op);
+ return op;
+}
+
+/*异步加密接口*/
+static int process_crypto_request_async(uint8_t dev_id, struct rte_crypto_op *op)
+{
+ if (rte_cryptodev_enqueue_burst(dev_id, 0, &op, 1) != 1) {
+ printf("Error sending packet for encryption\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+static int
+create_wireless_algo_cipher_session(uint8_t dev_id,
+ enum rte_crypto_cipher_operation op,
+ enum rte_crypto_cipher_algorithm algo,
+ const uint8_t *key, const uint8_t key_len,
+ uint8_t iv_len)
+{
+ uint8_t cipher_key[key_len];
+
+ nectar_ctx_s * nectar_ctx_p = &nectar_ctx;
+
+ memcpy(cipher_key, key, key_len);
+
+ /* Setup Cipher Parameters */
+ nectar_ctx_p->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
+ nectar_ctx_p->cipher_xform.next = NULL;
+
+ nectar_ctx_p->cipher_xform.cipher.algo = algo;
+ nectar_ctx_p->cipher_xform.cipher.op = op;
+ nectar_ctx_p->cipher_xform.cipher.key.data = cipher_key;
+ nectar_ctx_p->cipher_xform.cipher.key.length = key_len;
+ nectar_ctx_p->cipher_xform.cipher.iv.offset = IV_OFFSET;
+ nectar_ctx_p->cipher_xform.cipher.iv.length = iv_len;
+
+ /* Create Crypto session */
+ nectar_ctx_p->sess = rte_cryptodev_sym_session_create(
+ nectar_ctx_p->session_mpool);
+
+ rte_cryptodev_sym_session_init(dev_id, nectar_ctx_p->sess,
+ &nectar_ctx_p->cipher_xform, nectar_ctx_p->session_mpool);
+ TEST_ASSERT_NOT_NULL(nectar_ctx_p->sess, "Session creation failed");
+ return 0;
+}
+
+
+uint8_t session_is_create_flag = 0;
+int create_session(sec_ctx_s* sec_ctx_ptr)
+{
+ sec_ctx_s *sec_ctx = sec_ctx_ptr;
+ int retval;
+ uint8_t dev_id;
+ nectar_ctx_s * nectar_ctx_p = &nectar_ctx;
+
+ //g_sec_ctx = sec_ctx;
+
+ dev_id = nectar_ctx_p->valid_devs[0];
+
+ retval = create_wireless_algo_cipher_session(dev_id,
+ RTE_CRYPTO_CIPHER_OP_ENCRYPT,
+// RTE_CRYPTO_CIPHER_OP_DECRYPT,
+ RTE_CRYPTO_CIPHER_ZUC_EEA3,
+ sec_ctx->key, KEY_SIZE,
+ MAXIMUM_IV_LENGTH);
+ if (retval < 0)
+ return retval;
+}
+
+static int
+create_wireless_algo_cipher_operation(sec_ctx_s *sec_ctx, const uint8_t *iv, uint8_t iv_len,
+ unsigned int cipher_len,
+ unsigned int cipher_offset,
+ int index)
+{
+ nectar_ctx_s *nectar_ctx_p = &nectar_ctx;
+ unsigned datain_num;
+ int i;
+
+ i = index;
+
+ /* Generate Crypto op data structure */
+ sec_ctx->op[i] = rte_crypto_op_alloc(nectar_ctx_p->op_mpool,
+ RTE_CRYPTO_OP_TYPE_SYMMETRIC);
+
+ if(NULL == sec_ctx->op[i]) {
+ printf("sec_ctx->op[%d] alloc error\n", i);
+ return -1;
+ }
+
+ /* Set crypto operation data parameters */
+ rte_crypto_op_attach_sym_session(sec_ctx->op[i], nectar_ctx_p->sess);
+
+ struct rte_crypto_sym_op *sym_op = sec_ctx->op[i]->sym;
+ /* set crypto operation source mbuf */
+ sym_op->m_src = sec_ctx->ibuf[i];
+
+ /* iv */
+ rte_memcpy(rte_crypto_op_ctod_offset(sec_ctx->op[i], uint8_t *, IV_OFFSET),
+ iv, iv_len);
+ sym_op->cipher.data.length = cipher_len;
+ sym_op->cipher.data.offset = cipher_offset;
+
+ return 0;
+
+}
+static uint32_t
+ceil_byte_length(uint32_t num_bits)
+{
+ if (num_bits % 8)
+ return ((num_bits >> 3) + 1);
+ else
+ return (num_bits >> 3);
+}
+
+uint8_t session_is_teardown_flag = 0;
+void teardown_session()
+{
+ nectar_ctx_s * nectar_ctx_p = &nectar_ctx;
+ uint8_t dev_id = nectar_ctx_p->valid_devs[0];
+
+ /* free crypto session structure */
+ if(nectar_ctx_p->sess){
+ rte_cryptodev_sym_session_clear(dev_id,
+ nectar_ctx_p->sess);
+ rte_cryptodev_sym_session_free(nectar_ctx_p->sess);
+ nectar_ctx_p->sess = NULL;
+ }
+ session_is_teardown_flag = 1;
+}
+
+//int crypto_send_messages(sec_ctx_s *sec_ctx, struct rte_mbuf *m)
+int crypto_send_messages(sec_ctx_s *sec_ctx, void* data_out, uint16_t crypto_data_len)
+{
+ nectar_ctx_s * nectar_ctx_p = &nectar_ctx;
+ unsigned len;
+ //struct rte_mbuf **pkt_buffer;
+ int ret;
+ data_out_t *callback_data;
+ int j;
+
+ if(0 == data_out) {
+ printf("crypto_send_messages error: m is NULL.\n");
+ return -1;
+ }
+
+ len = sec_ctx->pkt_buf.len;
+ //pkt_buffer = sec_ctx->pkt_buf.buffer;
+ callback_data = sec_ctx->pkt_buf.callback_data;
+ callback_data[len].data = data_out;
+ callback_data[len].length = crypto_data_len;
+
+ //pkt_buffer[len] = m;
+ len++;
+
+ if(MAX_BURST_SIZE == len) {
+
+ ret = crypto_ctx->__callback(sec_ctx->data_ctx, callback_data, MAX_BURST_SIZE);
+ if(ret < 0) {
+ //printf("callback failed.\n");
+ }
+
+ len = 0;
+ }
+
+ sec_ctx->pkt_buf.len = len;
+}
+
+
+int nt_crypto_cipher(sec_ctx_t sec_ctx_ptr, iv_t *iv, cipher_input *crypto_input, uint16_t nb_cipher){
+ nectar_ctx_s * nectar_ctx_p = &nectar_ctx;
+
+ int retval, dev_id;
+ uint8_t *plaintext, *ciphertext;
+ unsigned plaintext_pad_len;
+ unsigned plaintext_len;
+ cipher2worker_ctx_s *cipher2worker_data;
+ unsigned datain_num;
+ unsigned ret, ret2;
+ unsigned nb_result;
+ unsigned nb_result_sum;
+ int j;
+ struct rte_mbuf *m;
+ //struct rte_mbuf *bufs_crypto[MAX_PKT_BURST] = {0}; /////////////////
+ struct rte_cryptodev_sym_capability_idx cap_idx;
+
+ if( unlikely(0 == running) ){ printf("Error in nt_crypto_cipher: libcrypto not running\n"); return 0; }
+ if( unlikely(NULL == sec_ctx_ptr) ){ printf("Error in nt_crypto_cipher: sec_ctx is null\n"); return 0; }
+ if( unlikely(NULL == iv) ){ printf("Error in nt_crypto_cipher: iv is null\n"); return 0; }
+ if( unlikely(0 == nb_cipher) ){ printf("Zero length - do nothing\n"); return 0; }
+
+ for(j=0; j<nb_cipher; j++) {
+ if((crypto_input[j].data_in == NULL) || (crypto_input[j].data_out == NULL) || (crypto_input[j].length == 0)) {
+ printf("data_in[%d] error\n", j);
+ printf("data_in[%d].data_in=%p\n", crypto_input[j].data_in);
+ printf("data_in[%d].data_out=%p\n", crypto_input[j].data_out);
+ printf("data_in[%d].length=%p\n", crypto_input[j].length);
+ return 0;
+ }
+ }
+
+ sec_ctx_s *sec_ctx = (sec_ctx_s*)sec_ctx_ptr;
+
+ for(j=0; j<nb_cipher; j++) {
+ sec_ctx->ibuf[j] = rte_pktmbuf_alloc(nectar_ctx_p->mbuf_pool);
+ if(NULL == sec_ctx->ibuf[j]) {
+ printf("sec_ctx->ibuf[%d] is NULL\n", j);
+ goto err1;
+ }
+ /* Clear mbuf payload */
+ memset(rte_pktmbuf_mtod(sec_ctx->ibuf[j], uint8_t *), 0,
+ rte_pktmbuf_tailroom(sec_ctx->ibuf[j]));
+ }
+
+ /* Check if device supports ZUC EEA3 */
+ cap_idx.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
+ cap_idx.algo.cipher = RTE_CRYPTO_CIPHER_ZUC_EEA3;
+ dev_id = nectar_ctx_p->valid_devs[0];
+
+ if (rte_cryptodev_sym_capability_get(dev_id, &cap_idx) == NULL)
+ goto err1;
+
+ uint32_t COUNT = iv->counter;
+ uint32_t BEARER = iv->bearer & 0x1F;
+ uint32_t DIRECTION = iv->direction & 0x1;
+
+ uint8_t IV[16];
+ CONSTRUCT_IV(IV, COUNT, BEARER, DIRECTION);
+
+ //datain_num = sec_ctx->datain_num;
+
+ for(j=0; j<nb_cipher; j++) {
+ //sec_ctx->length[j] = crypto_input[j]->length;
+ //sec_ctx->data_in[j] = crypto_input[j]->data_in;
+ //sec_ctx->data_out[j] = crypto_input[j]->data_out;
+
+
+ plaintext_len = crypto_input[j].length;
+ /* Append data which is padded to a multiple */
+ /* of the algorithms block size */
+ plaintext_pad_len = RTE_ALIGN_CEIL(plaintext_len, 8);
+ plaintext = (uint8_t *)rte_pktmbuf_append(sec_ctx->ibuf[j], plaintext_pad_len);
+ if(NULL == plaintext) {
+
+ }
+ /*把待加密内容拷贝到新分配的mbuf里*/
+ memcpy(plaintext, crypto_input[j].data_in, plaintext_len);
+
+ /* Create ZUC operation */
+ /* use bit length of plaintext */
+ retval = create_wireless_algo_cipher_operation(sec_ctx, &IV[0],
+ MAXIMUM_IV_LENGTH, plaintext_len * 8,
+ 0, j);
+ if (retval < 0) {
+ goto err2;
+ }
+ }
+
+ /*加保护*/
+ rte_spinlock_lock(&nectar_ctx_p->queue_lock);
+ ret = rte_cryptodev_enqueue_burst(dev_id, 0, sec_ctx->op, nb_cipher);
+ ret2 = ret;
+ if (unlikely(ret2 < nb_cipher)) {
+ //printf("rte_cryptodev_enqueue_burst has %d failed\n", MAX_PKT_BURST - ret2);
+ do {
+ rte_pktmbuf_free(sec_ctx->op[ret2]->sym->m_src);
+ rte_crypto_op_free(sec_ctx->op[ret2]);
+ } while (++ret2 < nb_cipher);
+ }
+
+ for(j=0; j<ret; j++) {
+ while (rte_ring_full(cipher2worker)){
+ /* If crypto was shutdown while waiting.*/
+ if (unlikely(0 == running)){
+ rte_spinlock_unlock(&nectar_ctx_p->queue_lock);
+ return 0;
+ }
+ }
+
+ /*申请填充cipher2worker_data,并把cipher2worker_data送入队列*/
+ cipher2worker_data = malloc(sizeof(cipher2worker_ctx_s));
+ cipher2worker_data->data_original_len = crypto_input[j].length;
+ cipher2worker_data->data_out = crypto_input[j].data_out;
+ cipher2worker_data->sec_ctx = sec_ctx;
+
+ retval = rte_ring_enqueue(cipher2worker, cipher2worker_data);
+ if(retval < 0) {
+ free(cipher2worker_data);
+ rte_exit(EXIT_FAILURE, "sequence_fifo is error\n");
+ continue;
+ }
+
+ //TEST_HEXDUMP(stdout, "data_original[j]:", data_original[j], data_original_len);
+ }
+
+ nectar_ctx_p->enqueue_sum = ret;
+ rte_spinlock_unlock(&nectar_ctx_p->queue_lock);
+
+ return ret;
+
+err2:
+ for(j=0; j<nb_cipher; j++) {
+ if(NULL != sec_ctx->op[j]) {
+ rte_crypto_op_free(sec_ctx->op[j]);
+ }
+ }
+err1:
+ for(j=0; j<nb_cipher; j++) {
+ if(NULL != sec_ctx->ibuf[j]) {
+ rte_pktmbuf_free(sec_ctx->ibuf[j]);
+ sec_ctx->ibuf[j] = NULL;
+ }
+ }
+
+ rte_spinlock_unlock(&nectar_ctx_p->queue_lock);
+
+ return 0;
+}
+
+
+void nt_crypto_worker(void)
+{
+ int nb_result;
+ data_t data_out;
+ nectar_ctx_s * nectar_ctx_p = &nectar_ctx;
+ struct rte_crypto_op *op;
+ unsigned int nb_ciphertext;
+ uint8_t *ciphertext;
+ uint8_t dev_id = nectar_ctx_p->valid_devs[0];
+ cipher2worker_ctx_s *cipher2worker_data;
+ //sec_ctx_s *sec_ctx;
+ struct rte_crypto_op *ops_burst[MAX_BURST_SIZE];
+ struct rte_mbuf *tx_batch;
+ int j;
+ int retval;
+ sec_ctx_s *sec_ctx;
+ uint16_t crypto_data_len;
+
+ printf("Starting nt_crypto_worker\n");
+
+ while(likely(running)) {
+
+ /* Dequeue packets from Crypto device */
+ rte_spinlock_lock(&nectar_ctx_p->queue_lock);
+ nb_result = rte_cryptodev_dequeue_burst(dev_id, 0, ops_burst, MAX_BURST_SIZE);
+
+ /* Forward crypto'd packets */
+ for (j = 0; j < nb_result; j++) {
+ tx_batch = ops_burst[j]->sym->m_src;
+ if(0 == tx_batch) {
+ printf("nt_crypto_worker error: tx_batch is NULL.\n");
+ }
+
+ retval = rte_ring_dequeue(cipher2worker, (void **)&cipher2worker_data);
+ if(retval < 0) {
+ printf("rte_ring_dequeue is error\n");
+ }
+
+
+ crypto_data_len = cipher2worker_data->data_original_len;
+ ciphertext = cipher2worker_data->data_out;
+ sec_ctx = cipher2worker_data->sec_ctx;
+ memcpy(ciphertext, rte_pktmbuf_mtod(tx_batch, void *), crypto_data_len);
+ //TEST_HEXDUMP(stdout, "fifo_return_data[0]:", fifo_return_data[0], rte_pktmbuf_data_len(tx_batch));
+
+ rte_crypto_op_free(ops_burst[j]);
+ rte_pktmbuf_free(tx_batch);
+ free(cipher2worker_data);
+ crypto_send_messages(sec_ctx, ciphertext, crypto_data_len);
+ }
+
+ nectar_ctx_p->dequeue_sum += nb_result;
+ rte_spinlock_unlock(&nectar_ctx_p->queue_lock);
+ }
+
+ printf("nt_crypto_worker exit\n");
+
+}
+
+sec_ctx_t nt_crypto_new_security_context(algo_type_t algo_type, symmetric_key_t key, data_ctx_t data_ctx) {
+ if(NULL == crypto_ctx){
+ printf("Error: nectar libcrypto not running\n");
+ return NULL;
+ }
+
+ rte_spinlock_lock(&new_sec_ctx_lock);
+
+ if(MAX_SEC_CTX <= crypto_ctx->sec_ctx_count){
+ printf("Error reached max security context count.\n");
+ rte_spinlock_unlock(&new_sec_ctx_lock);
+ return NULL;
+ }
+
+ /*应该用不到*/
+ //int idx = 0;
+ //for (; idx < MAX_SEC_CTX; ++idx) {
+ // if( TIMEOUT_FREE == timeout[idx] ){
+ /* Reserve the idx by removing TIMEOUT_FREE. */
+ // timeout[idx] = TIMEOUT_DISABLED;
+ // break;
+ // }
+ //}
+
+ /* Create a new security context. */
+ sec_ctx_s* sec_ctx = (sec_ctx_s*)malloc(sizeof(sec_ctx_s));
+ if(NULL == sec_ctx){
+ printf("Error allocating memory for security context!\n");
+ goto fail_new_sec_ctx;
+ }
+ memset(sec_ctx, 0, sizeof(sec_ctx_s));
+ printf("sec_ctx=%p\n", sec_ctx);
+
+ //g_sec_ctx = sec_ctx;
+
+ /* Install the encryption key in the security context. */
+ memcpy(sec_ctx->key, key, KEY_SIZE);
+
+ /* Save the data_context for the new security context. */
+ sec_ctx->data_ctx = data_ctx;
+
+ /*应该用不到sec_ctx->mbuf */
+ //sec_ctx->mbuf = rte_pktmbuf_alloc(crypto_ctx->mbuf_pool);
+ //if(NULL == sec_ctx->mbuf){
+ // printf("Error allocating mbuf for security context!\n");
+ // goto fail_new_sec_ctx_free;
+ //}
+ //sec_ctx->mbuf->pkt_len = 0;
+
+ /*是否需要fifo?*/
+ char sec_ctx_name[32];
+ snprintf(sec_ctx_name, 32, "sec_ctx_return_fifo_%d", crypto_ctx->sec_ctx_count);
+ sec_ctx->return_addr_fifo = rte_ring_create(sec_ctx_name, RETURN_ADDR_FIFO_SIZE, SOCKET_ID_ANY, 0);
+ if (NULL == sec_ctx->return_addr_fifo) {
+ printf("Error in rte_ring_create!\n");
+ goto fail_new_sec_ctx;
+ }
+ crypto_ctx->sec_ctx_count++;
+
+
+ sec_ctx->type = algo_type;
+
+ if(0 == session_is_create_flag) {
+ create_session(sec_ctx);
+ session_is_create_flag = 1;
+ }
+ rte_spinlock_unlock(&new_sec_ctx_lock);
+
+ return (sec_ctx_t)sec_ctx;
+
+fail_new_sec_ctx:
+ rte_spinlock_unlock(&new_sec_ctx_lock);
+
+ return NULL;
+}
+
+/*
+
+Stop the security context:
+
+- must not be able to encrypt more data.
+
+- packets in the batch should be destroyed.
+- packets received should be ?destroyed? or ?called back?
+
+- sec_ctx mbuf must be free.
+
+- the sec_ctx_collection index must be NULLed.
+- the timeout must be disabled before return.
+
+*/
+int nt_crypto_end_security_context(sec_ctx_t sec_ctx_ptr) {
+
+ if(NULL == crypto_ctx) { printf("Error: Nectar libcrypto not running\n"); return -1; }
+ if(NULL == sec_ctx_ptr) { printf("Error: Nectar sec_ctx is null\n"); return -1; }
+
+ sec_ctx_s* sec_ctx = (sec_ctx_s*)sec_ctx_ptr;
+
+ rte_ring_free(sec_ctx->return_addr_fifo);
+
+ free(sec_ctx_ptr);
+
+ if(0 == session_is_teardown_flag)
+ teardown_session();
+
+ return -1;
+}
+
+static int initialize_cryptodevs(unsigned int core)
+{
+// TODO:
+ unsigned int session_size;
+ nectar_ctx_s * nectar_ctx_p = &nectar_ctx;
+
+ struct rte_cryptodev_info info;
+ uint32_t i = 0, nb_devs, dev_id;
+ uint16_t qp_id;
+ int retval;
+ struct rte_mbuf* buf;
+
+ memset(nectar_ctx_p, 0, sizeof(*nectar_ctx_p));
+
+ nectar_ctx_p->mbuf_pool = rte_mempool_lookup("CRYPTO_MBUFPOOL");
+ if (nectar_ctx_p->mbuf_pool == NULL) {
+ /* Not already created so create */
+ nectar_ctx_p->mbuf_pool = rte_pktmbuf_pool_create(
+ "CRYPTO_MBUFPOOL",
+ NUM_MBUFS, MBUF_CACHE_SIZE, 0, MBUF_SIZE,
+ rte_socket_id());
+ if (nectar_ctx_p->mbuf_pool == NULL) {
+ RTE_LOG(ERR, USER1, "Nectar:Can't create CRYPTO_MBUFPOOL\n");
+ return -1;
+ }
+ }
+
+ nectar_ctx_p->op_mpool = rte_crypto_op_pool_create(
+ "MBUF_CRYPTO_SYM_OP_POOL",
+ RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ NUM_MBUFS, MBUF_CACHE_SIZE,
+ DEFAULT_NUM_XFORMS *
+ sizeof(struct rte_crypto_sym_xform) +
+ MAXIMUM_IV_LENGTH,
+ rte_socket_id());
+ if (nectar_ctx_p->op_mpool == NULL) {
+ RTE_LOG(ERR, USER1, "Nectar: Can't create CRYPTO_OP_POOL\n");
+ return -1;
+ }
+
+ gbl_driver_id = rte_cryptodev_driver_id_get(
+ RTE_STR(CRYPTODEV_NAME_QAT_SYM_PMD));
+
+ if (gbl_driver_id == -1) {
+ RTE_LOG(ERR, USER1, "Nectar: QAT PMD must be loaded. Check if "
+ "CONFIG_RTE_LIBRTE_PMD_QAT is enabled "
+ "in config file to run this testsuite.\n");
+ return -1;
+ }
+
+ nb_devs = rte_cryptodev_count();
+ if (nb_devs < 1) {
+ RTE_LOG(ERR, USER1, "Nectar: No crypto devices found?\n");
+ return -1;
+ }
+
+ /* Create list of valid crypto devs */
+ for (i = 0; i < nb_devs; i++) {
+ rte_cryptodev_info_get(i, &info);
+ if (info.driver_id == gbl_driver_id)
+ nectar_ctx_p->valid_devs[nectar_ctx_p->valid_dev_count++] = i;
+ }
+
+ if (nectar_ctx_p->valid_dev_count < 1)
+ return -1;
+
+ dev_id = nectar_ctx_p->valid_devs[0];
+
+ rte_cryptodev_info_get(dev_id, &info);
+
+ nectar_ctx_p->conf.nb_queue_pairs = info.max_nb_queue_pairs;
+ nectar_ctx_p->conf.socket_id = SOCKET_ID_ANY;
+
+ session_size = rte_cryptodev_get_private_session_size(dev_id);
+
+ /*
+ * Create mempool with maximum number of sessions * 2,
+ * to include the session headers
+ */
+ nectar_ctx_p->session_mpool = rte_mempool_create(
+ "test_sess_mp",
+ info.sym.max_nb_sessions * 2,
+ session_size,
+ 0, 0, NULL, NULL, NULL,
+ NULL, SOCKET_ID_ANY,
+ 0);
+
+ rte_cryptodev_configure(dev_id, &nectar_ctx_p->conf),
+
+ nectar_ctx_p->qp_conf.nb_descriptors = DEFAULT_NUM_OPS_INFLIGHT;
+
+ for (qp_id = 0; qp_id < info.max_nb_queue_pairs; qp_id++) {
+ rte_cryptodev_queue_pair_setup(
+ dev_id, qp_id, &nectar_ctx_p->qp_conf,
+ rte_cryptodev_socket_id(dev_id),
+ nectar_ctx_p->session_mpool);
+ }
+
+ /* Cronstruct the batch return sequence fifo. */
+ //sequence_fifo = rte_ring_create("sequence_fifo", SEQUENCE_FIFO_SIZE, SOCKET_ID_ANY, 0);
+ //if (NULL == sequence_fifo)
+ // rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
+
+
+ cipher2worker = rte_ring_create("cipher2worker_fifo_name", CIPHER2WOKER_FIFO_SIZE, SOCKET_ID_ANY, 0);
+ if (NULL == cipher2worker){
+ printf("Error creating cipher2worker_fifo!\n");
+ return -1;
+ }
+#if 0
+
+#endif
+
+ /*对锁进行初始化*/
+ rte_spinlock_init(&nectar_ctx_p->queue_lock);
+
+// memset(nectar_ctx_p, 0, sizeof(*nectar_ctx_p));
+ /* Start the device */
+ rte_cryptodev_start(nectar_ctx_p->valid_devs[0]);
+
+ running = 1;
+
+ /* 创建线程从qat取加密结果*/
+ retval = rte_eal_remote_launch((lcore_function_t *)nt_crypto_worker, NULL, core);
+ if (retval < 0){
+ rte_exit(EXIT_FAILURE, "Error in rte_eal_remote_launch\n");
+ return retval;
+ }
+
+
+ return 0;
+}
+
+int nt_crypto_init(callback_t callback, uint8_t core){
+ int retval;
+
+ running = 0;
+
+ if(NULL != crypto_ctx){
+ printf("Error: libcrypto is already running\n");
+ return -1;
+ }
+
+ if(NULL == callback)
+ rte_exit(EXIT_FAILURE, "Error callback is NULL!\n");
+
+ /* Create a new nectar crypto context. */
+ crypto_ctx = (crypto_ctx_s*)malloc(sizeof(crypto_ctx_s));
+ if(NULL == crypto_ctx)
+ rte_exit(EXIT_FAILURE, "Error allocating memory for nectar crypto context!\n");
+ memset(crypto_ctx, 0, sizeof(crypto_ctx_s));
+
+ /* Install the callback function. */
+ crypto_ctx->__callback = callback;
+
+ retval = initialize_cryptodevs(core);
+ if(retval < 0) {
+ RTE_LOG(ERR, USER1, "Nectar: initialize_cryptodevs failed.\n");
+ return -1;
+ }
+ rte_spinlock_init(&new_sec_ctx_lock);
+
+ printf("Nectar crypto init ok!\n");
+ return 0;
+}
+
+
+int nt_crypto_end(void){
+ if(0 == running || NULL == crypto_ctx){
+ // printf("Error: libcrypto not running\n");
+ return -1;
+ }
+
+ running = 0;
+
+ /* Give all parth of the library a chance to do work and shutdown. */
+ sleep(1);
+
+ empty_inflight();
+
+ print_stat();
+
+ free(crypto_ctx);
+ crypto_ctx = NULL;
+
+ printf("Nectar crypto has ended!\n");
+ return 0;
+}
+