diff options
Diffstat (limited to 'src/plugins/dpdk/ipsec')
| -rw-r--r-- | src/plugins/dpdk/ipsec/cli.c | 677 | ||||
| -rw-r--r-- | src/plugins/dpdk/ipsec/crypto_node.c | 234 | ||||
| -rw-r--r-- | src/plugins/dpdk/ipsec/esp.h | 403 | ||||
| -rw-r--r-- | src/plugins/dpdk/ipsec/esp_decrypt.c | 411 | ||||
| -rw-r--r-- | src/plugins/dpdk/ipsec/esp_encrypt.c | 646 | ||||
| -rw-r--r-- | src/plugins/dpdk/ipsec/ipsec.c | 1269 | ||||
| -rw-r--r-- | src/plugins/dpdk/ipsec/ipsec.h | 432 |
7 files changed, 2419 insertions, 1653 deletions
diff --git a/src/plugins/dpdk/ipsec/cli.c b/src/plugins/dpdk/ipsec/cli.c index a9cf250298b..2dcfe1d5441 100644 --- a/src/plugins/dpdk/ipsec/cli.c +++ b/src/plugins/dpdk/ipsec/cli.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016 Intel and/or its affiliates. + * Copyright (c) 2017 Intel and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: @@ -17,209 +17,582 @@ #include <dpdk/device/dpdk.h> #include <dpdk/ipsec/ipsec.h> -static void -dpdk_ipsec_show_mapping (vlib_main_t * vm, u16 detail_display) +static u8 * +format_crypto (u8 * s, va_list * args) { dpdk_crypto_main_t *dcm = &dpdk_crypto_main; - vlib_thread_main_t *tm = vlib_get_thread_main (); - u32 i, skip_master; + crypto_dev_t *dev = va_arg (*args, crypto_dev_t *); + crypto_drv_t *drv = vec_elt_at_index (dcm->drv, dev->drv_id); + u64 feat, mask; + u32 i; + i8 *pre = " "; - if (!dcm->enabled) + s = format (s, "%-25s%-20s%-10s\n", dev->name, drv->name, + rte_cryptodevs[dev->id].data->dev_started ? "up" : "down"); + s = format (s, " numa_node %u, max_queues %u\n", dev->numa, dev->max_qp); + s = format (s, " free_resources %u, used_resources %u\n", + vec_len (dev->free_resources), vec_len (dev->used_resources)); + + if (dev->features) { - vlib_cli_output (vm, "DPDK Cryptodev support is disabled\n"); - return; + for (mask = 1; mask != 0; mask <<= 1) + { + feat = dev->features & mask; + if (feat) + { + s = + format (s, "%s%s", pre, + rte_cryptodev_get_feature_name (feat)); + pre = ", "; + } + } + s = format (s, "\n"); } - if (detail_display) - vlib_cli_output (vm, "worker\t%10s\t%15s\tdir\tdev\tqp\n", - "cipher", "auth"); - else - vlib_cli_output (vm, "worker\tcrypto device id(type)\n"); + s = format (s, " Cipher:"); + pre = " "; + for (i = 0; i < IPSEC_CRYPTO_N_ALG; i++) + if (dev->cipher_support[i]) + { + s = format (s, "%s%s", pre, dcm->cipher_algs[i].name); + pre = ", "; + } + s = format (s, "\n"); - skip_master = vlib_num_workers () > 0; + s = format (s, " Auth:"); + pre = " "; + for (i = 0; i < IPSEC_INTEG_N_ALG; i++) + if (dev->auth_support[i]) + { + s = format (s, "%s%s", pre, dcm->auth_algs[i].name); + pre = ", "; + } + s = format (s, "\n\n"); - for (i = 0; i < tm->n_vlib_mains; i++) - { - uword key, data; - u32 thread_index = vlib_mains[i]->thread_index; - crypto_worker_main_t *cwm = &dcm->workers_main[thread_index]; - u8 *s = 0; + return s; +} - if (skip_master) - { - skip_master = 0; - continue; - } +static clib_error_t * +show_dpdk_crypto_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_dev_t *dev; - if (!detail_display) - { - i32 last_cdev = -1; - crypto_qp_data_t *qpd; + /* *INDENT-OFF* */ + vec_foreach (dev, dcm->dev) + vlib_cli_output (vm, "%U", format_crypto, dev); + /* *INDENT-ON* */ - s = format (s, "%u\t", thread_index); + return NULL; +} - /* *INDENT-OFF* */ - vec_foreach (qpd, cwm->qp_data) - { - u32 dev_id = qpd->dev_id; +/*? + * This command is used to display the DPDK Crypto device information. + * + * @cliexpar + * Example of how to display the DPDK Crypto device information: + * @cliexsart{show dpdk crypto devices} + * vpp# show dpdk crypto devices + * cryptodev_aesni_mb_pmd crypto_aesni_mb down + * numa_node 1, max_queues 8 + * free_resources 2, used_resources 2 + * SYMMETRIC_CRYPTO, SYM_OPERATION_CHAINING, CPU_AVX2, CPU_AESNI + * Cipher: aes-cbc-128, aes-cbc-192, aes-cbc-256, aes-ctr-128, aes-ctr-192, aes-ctr-256 + * Auth: md5-96, sha1-96, sha-256-128, sha-384-192, sha-512-256 + * + * cryptodev_aesni_gcm_pmd crypto_aesni_gcm down + * numa_node 1, max_queues 8 + * free_resources 2, used_resources 2 + * SYMMETRIC_CRYPTO, SYM_OPERATION_CHAINING, CPU_AVX2, CPU_AESNI, MBUF_SCATTER_GATHER + * Cipher: aes-gcm-128, aes-gcm-192, aes-gcm-256 + * Auth: + * @cliexend + * Example of displaying the DPDK Crypto device data when enabled: + * @cliexend +?*/ +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (show_dpdk_crypto, static) = { + .path = "show dpdk crypto devices", + .short_help = "show dpdk crypto devices", + .function = show_dpdk_crypto_fn, +}; - if ((u16) last_cdev != dev_id) - { - struct rte_cryptodev_info cdev_info; +/* *INDENT-ON* */ +static u8 * +format_crypto_worker (u8 * s, va_list * args) +{ + u32 thread_idx = va_arg (*args, u32); + u8 verbose = (u8) va_arg (*args, u32); + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_worker_main_t *cwm; + crypto_resource_t *res; + u16 *res_idx; + i8 *pre, *ind; + u32 i; - rte_cryptodev_info_get (dev_id, &cdev_info); + cwm = vec_elt_at_index (dcm->workers_main, thread_idx); - s = format(s, "%u(%s)\t", dev_id, cdev_info.feature_flags & - RTE_CRYPTODEV_FF_HW_ACCELERATED ? "HW" : "SW"); - } - last_cdev = dev_id; - } - /* *INDENT-ON* */ - vlib_cli_output (vm, "%s", s); - } - else + s = format (s, "Thread %u (%v):\n", thread_idx, + vlib_worker_threads[thread_idx].name); + + /* *INDENT-OFF* */ + vec_foreach (res_idx, cwm->resource_idx) + { + ind = " "; + res = vec_elt_at_index (dcm->resource, res_idx[0]); + s = format (s, "%s%-20s dev-id %2u inbound-queue %2u outbound-queue %2u\n", + ind, vec_elt_at_index (dcm->dev, res->dev_id)->name, + res->dev_id, res->qp_id, res->qp_id + 1); + + ind = " "; + if (verbose) { - char cipher_str[15], auth_str[15]; - struct rte_cryptodev_capabilities cap; - crypto_worker_qp_key_t *p_key = (crypto_worker_qp_key_t *) & key; - /* *INDENT-OFF* */ - hash_foreach (key, data, cwm->algo_qp_map, - ({ - cap.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC; -#if DPDK_NO_AEAD - cap.sym.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER; - cap.sym.cipher.algo = p_key->cipher_algo; -#else - if (p_key->is_aead) + s = format (s, "%sCipher:", ind); + pre = " "; + for (i = 0; i < IPSEC_CRYPTO_N_ALG; i++) + if (cwm->cipher_resource_idx[i] == res_idx[0]) { - cap.sym.xform_type = RTE_CRYPTO_SYM_XFORM_AEAD; - cap.sym.aead.algo = p_key->cipher_algo; + s = format (s, "%s%s", pre, dcm->cipher_algs[i].name); + pre = ", "; } - else + s = format (s, "\n"); + + s = format (s, "%sAuth:", ind); + pre = " "; + for (i = 0; i < IPSEC_INTEG_N_ALG; i++) + if (cwm->auth_resource_idx[i] == res_idx[0]) { - cap.sym.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER; - cap.sym.cipher.algo = p_key->cipher_algo; + s = format (s, "%s%s", pre, dcm->auth_algs[i].name); + pre = ", "; } -#endif - check_algo_is_supported (&cap, cipher_str); - - cap.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC; - cap.sym.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH; - cap.sym.auth.algo = p_key->auth_algo; - check_algo_is_supported (&cap, auth_str); - - vlib_cli_output (vm, "%u\t%10s\t%15s\t%3s\t%u\t%u\n", - vlib_mains[i]->thread_index, cipher_str, auth_str, - p_key->is_outbound ? "out" : "in", - cwm->qp_data[data].dev_id, - cwm->qp_data[data].qp_id); - })); - /* *INDENT-ON* */ + s = format (s, "\n"); } } + /* *INDENT-ON* */ + + return s; } static clib_error_t * -lcore_cryptodev_map_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) +common_crypto_placement_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd, u8 verbose) { - unformat_input_t _line_input, *line_input = &_line_input; - u16 detail = 0; + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; clib_error_t *error = NULL; + u32 i; + u8 skip_master; + + if (!dcm->enabled) + { + vlib_cli_output (vm, "\nDPDK Cryptodev support is disabled\n"); + return error; + } + + skip_master = vlib_num_workers () > 0; + + /* *INDENT-OFF* */ + vec_foreach_index (i, dcm->workers_main) + { + if (i < skip_master) + continue; + + vlib_cli_output (vm, "%U\n", format_crypto_worker, i, verbose); + } + /* *INDENT-ON* */ + + return error; +} + +static clib_error_t * +show_dpdk_crypto_placement_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + return common_crypto_placement_fn (vm, input, cmd, 0); +} + +static clib_error_t * +show_dpdk_crypto_placement_v_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + return common_crypto_placement_fn (vm, input, cmd, 1); +} + +/*? + * This command is used to display the DPDK Crypto device placement. + * + * @cliexpar + * Example of displaying the DPDK Crypto device placement: + * @cliexstart{show dpdk crypto placement} + * vpp# show dpdk crypto placement + * Thread 1 (vpp_wk_0): + * cryptodev_aesni_mb_p dev-id 0 inbound-queue 0 outbound-queue 1 + * cryptodev_aesni_gcm_ dev-id 1 inbound-queue 0 outbound-queue 1 + * + * Thread 2 (vpp_wk_1): + * cryptodev_aesni_mb_p dev-id 0 inbound-queue 2 outbound-queue 3 + * cryptodev_aesni_gcm_ dev-id 1 inbound-queue 2 outbound-queue 3 + * @cliexend +?*/ +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (show_dpdk_crypto_placement, static) = { + .path = "show dpdk crypto placement", + .short_help = "show dpdk crypto placement", + .function = show_dpdk_crypto_placement_fn, +}; +/* *INDENT-ON* */ + +/*? + * This command is used to display the DPDK Crypto device placement + * with verbose output. + * + * @cliexpar + * Example of displaying the DPDK Crypto device placement verbose: + * @cliexstart{show dpdk crypto placement verbose} + * vpp# show dpdk crypto placement verbose + * Thread 1 (vpp_wk_0): + * cryptodev_aesni_mb_p dev-id 0 inbound-queue 0 outbound-queue 1 + * Cipher: aes-cbc-128, aes-cbc-192, aes-cbc-256, aes-ctr-128, aes-ctr-192, aes-ctr-256 + * Auth: md5-96, sha1-96, sha-256-128, sha-384-192, sha-512-256 + * cryptodev_aesni_gcm_ dev-id 1 inbound-queue 0 outbound-queue 1 + * Cipher: aes-gcm-128, aes-gcm-192, aes-gcm-256 + * Auth: + * + * Thread 2 (vpp_wk_1): + * cryptodev_aesni_mb_p dev-id 0 inbound-queue 2 outbound-queue 3 + * Cipher: aes-cbc-128, aes-cbc-192, aes-cbc-256, aes-ctr-128, aes-ctr-192, aes-ctr-256 + * Auth: md5-96, sha1-96, sha-256-128, sha-384-192, sha-512-256 + * cryptodev_aesni_gcm_ dev-id 1 inbound-queue 2 outbound-queue 3 + * Cipher: aes-gcm-128, aes-gcm-192, aes-gcm-256 + * Auth: + * + * @cliexend +?*/ +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (show_dpdk_crypto_placement_v, static) = { + .path = "show dpdk crypto placement verbose", + .short_help = "show dpdk crypto placement verbose", + .function = show_dpdk_crypto_placement_v_fn, +}; +/* *INDENT-ON* */ + +static clib_error_t * +set_dpdk_crypto_placement_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + unformat_input_t _line_input, *line_input = &_line_input; + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_worker_main_t *cwm; + crypto_dev_t *dev; + u32 thread_idx, i; + u16 res_idx, *idx; + u8 dev_idx, auto_en; if (!unformat_user (input, unformat_line_input, line_input)) - return 0; + return clib_error_return (0, "invalid syntax"); while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { - if (unformat (line_input, "verbose")) - detail = 1; + if (unformat (line_input, "%u %u", &dev_idx, &thread_idx)) + ; + else if (unformat (line_input, "auto")) + auto_en = 1; else { - error = clib_error_return (0, "parse error: '%U'", - format_unformat_error, line_input); - goto done; + unformat_free (line_input); + return clib_error_return (0, "parse error: '%U'", + format_unformat_error, line_input); } } - dpdk_ipsec_show_mapping (vm, detail); + unformat_free (line_input); + + if (auto_en) + { + crypto_auto_placement (); + return 0; + } + + /* TODO support device name */ + + if (!(dev_idx < vec_len (dcm->dev))) + return clib_error_return (0, "please specify valid device index"); + + if (thread_idx != (u32) ~ 0 && !(thread_idx < vec_len (dcm->workers_main))) + return clib_error_return (0, "invalid thread index"); + + dev = vec_elt_at_index (dcm->dev, dev_idx); + if (!(vec_len (dev->free_resources))) + return clib_error_return (0, "all device resources are being used"); + + /* Check thread is not already using the device */ + /* *INDENT-OFF* */ + vec_foreach (idx, dev->used_resources) + if (dcm->resource[idx[0]].thread_idx == thread_idx) + return clib_error_return (0, "thread %u already using device %u", + thread_idx, dev_idx); + /* *INDENT-ON* */ + + res_idx = vec_pop (dev->free_resources); + vec_add1 (dev->used_resources, res_idx); + + cwm = vec_elt_at_index (dcm->workers_main, thread_idx); + + ASSERT (dcm->resource[res_idx].thread_idx == (u16) ~ 0); + dcm->resource[res_idx].thread_idx = thread_idx; + + /* Add device to vector of polling resources */ + vec_add1 (cwm->resource_idx, res_idx); + + /* Set device as default for all supported algos */ + for (i = 0; i < IPSEC_CRYPTO_N_ALG; i++) + if (dev->cipher_support[i]) + { + if (cwm->cipher_resource_idx[i] == (u16) ~ 0) + dcm->cipher_algs[i].disabled--; + cwm->cipher_resource_idx[i] = res_idx; + } + + for (i = 0; i < IPSEC_INTEG_N_ALG; i++) + if (dev->auth_support[i]) + { + if (cwm->auth_resource_idx[i] == (u16) ~ 0) + dcm->auth_algs[i].disabled--; + cwm->auth_resource_idx[i] = res_idx; + } + + /* Check if any unused resource */ + + u8 used = 0; + /* *INDENT-OFF* */ + vec_foreach (idx, cwm->resource_idx) + { + if (idx[0] == res_idx) + continue; + + for (i = 0; i < IPSEC_CRYPTO_N_ALG; i++) + used |= cwm->cipher_resource_idx[i] == idx[0]; + + for (i = 0; i < IPSEC_INTEG_N_ALG; i++) + used |= cwm->auth_resource_idx[i] == idx[0]; + + vec_elt_at_index (dcm->resource, idx[0])->remove = !used; + } + /* *INDENT-ON* */ + + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (set_dpdk_crypto_placement, static) = { + .path = "set dpdk crypto placement", + .short_help = "set dpdk crypto placement (<device> <thread> | auto)", + .function = set_dpdk_crypto_placement_fn, +}; +/* *INDENT-ON* */ + +/* + * The thread will not enqueue more operatios to the device but will poll + * from it until there are no more inflight operations. +*/ +static void +dpdk_crypto_clear_resource (u16 res_idx) +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_resource_t *res = vec_elt_at_index (dcm->resource, res_idx); + crypto_worker_main_t *cwm = &dcm->workers_main[res->thread_idx]; + u32 i; + + for (i = 0; i < IPSEC_CRYPTO_N_ALG; i++) + if (cwm->cipher_resource_idx[i] == res_idx) + { + cwm->cipher_resource_idx[i] = (u16) ~ 0; + dcm->cipher_algs[i].disabled++; + } + + for (i = 0; i < IPSEC_INTEG_N_ALG; i++) + if (cwm->auth_resource_idx[i] == res_idx) + { + cwm->auth_resource_idx[i] = (u16) ~ 0; + dcm->auth_algs[i].disabled++; + } + + /* Fully remove device on crypto_node once there are no inflights */ + res->remove = 1; +} + +static clib_error_t * +clear_dpdk_crypto_placement_fn (vlib_main_t * vm, + unformat_input_t * + input, vlib_cli_command_t * cmd) +{ + unformat_input_t _line_input, *line_input = &_line_input; + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_dev_t *dev; + u32 thread_idx = (u32) ~ 0; + u16 *res_idx; + u8 dev_idx = (u8) ~ 0; + u8 free_all = 0; + + if (!unformat_user (input, unformat_line_input, line_input)) + return clib_error_return (0, "invalid syntax"); + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "%u %u", &dev_idx, &thread_idx)) + ; + else if (unformat (line_input, "%u", &dev_idx)) + free_all = 1; + else + { + unformat_free (line_input); + return clib_error_return (0, "parse error: '%U'", + format_unformat_error, line_input); + } + } -done: unformat_free (line_input); - return error; + if (!(dev_idx < vec_len (dcm->dev))) + return clib_error_return (0, "invalid device index"); + + dev = vec_elt_at_index (dcm->dev, dev_idx); + + /* Clear all resources placements */ + if (free_all) + { + /* *INDENT-OFF* */ + vec_foreach (res_idx, dev->used_resources) + dpdk_crypto_clear_resource (res_idx[0]); + /* *INDENT-ON* */ + + return 0; + } + + if (!(thread_idx < vec_len (dcm->workers_main))) + return clib_error_return (0, "invalid thread index"); + + /* Clear placement of device for given thread index */ + /* *INDENT-OFF* */ + vec_foreach (res_idx, dev->used_resources) + if (dcm->resource[res_idx[0]].thread_idx == thread_idx) + break; + /* *INDENT-ON* */ + + if (!(res_idx < vec_end (dev->used_resources))) + return clib_error_return (0, "thread %u is not using device %u", + thread_idx, dev_idx); + + dpdk_crypto_clear_resource (res_idx[0]); + + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (clear_dpdk_crypto_placement, static) = { + .path = "clear dpdk crypto placement", + .short_help = "clear dpdk crypto placement <device> [<thread>]", + .function = clear_dpdk_crypto_placement_fn, +}; +/* *INDENT-ON* */ + +u8 * +format_dpdk_mempool (u8 * s, va_list * args) +{ + struct rte_mempool *mp = va_arg (*args, struct rte_mempool *); + uword indent = format_get_indent (s); + u32 count = rte_mempool_avail_count (mp); + + s = format (s, "%s\n%Uavailable %7d, allocated %7d total %7d\n", + mp->name, format_white_space, indent + 2, + count, mp->size - count, mp->size); + s = format (s, "%Uphys_addr %p, flags %08x, nb_mem_chunks %u\n", + format_white_space, indent + 2, + mp->mz->phys_addr, mp->flags, mp->nb_mem_chunks); + s = format (s, "%Uelt_size %4u, header_size %3u, trailer_size %u\n", + format_white_space, indent + 2, + mp->elt_size, mp->header_size, mp->trailer_size); + s = format (s, "%Uprivate_data_size %3u, total_elt_size %u\n", + format_white_space, indent + 2, + mp->private_data_size, + mp->elt_size + mp->header_size + mp->trailer_size); + return s; +} + +static clib_error_t * +show_dpdk_crypto_pools_fn (vlib_main_t * vm, + unformat_input_t * input, vlib_cli_command_t * cmd) +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_data_t *data; + + /* *INDENT-OFF* */ + vec_foreach (data, dcm->data) + { + if (data->crypto_op) + vlib_cli_output (vm, "%U\n", format_dpdk_mempool, data->crypto_op); +#if ! DPDK_NO_AEAD + if (data->session_h) + vlib_cli_output (vm, "%U\n", format_dpdk_mempool, data->session_h); + + struct rte_mempool **mp; + vec_foreach (mp, data->session_drv) + if (mp[0]) + vlib_cli_output (vm, "%U\n", format_dpdk_mempool, mp[0]); +#endif + } + /* *INDENT-ON* */ + +#if DPDK_NO_AEAD + crypto_dev_t *dev; + /* *INDENT-OFF* */ + vec_foreach (dev, dcm->dev) if (rte_cryptodevs[dev->id].data->session_pool) + vlib_cli_output (vm, "%U\n", format_dpdk_mempool, + rte_cryptodevs[dev->id].data->session_pool); + /* *INDENT-ON* */ +#endif + + return NULL; } /*? - * This command is used to display the DPDK Crypto device data. See - * @ref dpdk_crypto_ipsec_doc for more details on initializing the - * DPDK Crypto device. + * This command is used to display the DPDK Crypto pools information. * * @cliexpar - * Example of displaying the DPDK Crypto device data when disabled: + * Example of how to display the DPDK Cypto pools information: * @cliexstart{show crypto device mapping} - * DPDK Cryptodev support is disabled - * @cliexend - * Example of displaying the DPDK Crypto device data when enabled: - * @cliexstart{show crypto device mapping} - * worker crypto device id(type) - * 1 1(SW) - * 2 1(SW) - * @cliexend - * Example of displaying the DPDK Crypto device data when enabled with verbose: - * @cliexstart{show crypto device mapping verbose} - * worker cipher auth dir dev qp - * 1 AES_CTR AES-XCBC-MAC in 1 0 - * 1 AES_CTR HMAC-SHA384 in 1 0 - * 1 AES_CTR HMAC-SHA384 out 1 1 - * 1 AES_CBC HMAC-SHA512 in 1 0 - * 1 AES_CBC HMAC-SHA256 in 1 0 - * 1 AES_CBC AES-XCBC-MAC out 1 1 - * 1 AES_CTR AES-XCBC-MAC out 1 1 - * 1 AES_CBC HMAC-SHA256 out 1 1 - * 1 AES_CTR HMAC-SHA512 out 1 1 - * 1 AES_CTR HMAC-SHA256 in 1 0 - * 1 AES_CTR HMAC-SHA1 in 1 0 - * 1 AES_CBC HMAC-SHA512 out 1 1 - * 1 AES_CBC HMAC-SHA384 out 1 1 - * 1 AES_CTR HMAC-SHA1 out 1 1 - * 1 AES_CTR HMAC-SHA256 out 1 1 - * 1 AES_CBC HMAC-SHA1 in 1 0 - * 1 AES_CBC AES-XCBC-MAC in 1 0 - * 1 AES_CTR HMAC-SHA512 in 1 0 - * 1 AES_CBC HMAC-SHA1 out 1 1 - * 1 AES_CBC HMAC-SHA384 in 1 0 - * 2 AES_CTR AES-XCBC-MAC in 1 2 - * 2 AES_CTR HMAC-SHA384 in 1 2 - * 2 AES_CTR HMAC-SHA384 out 1 3 - * 2 AES_CBC HMAC-SHA512 in 1 2 - * 2 AES_CBC HMAC-SHA256 in 1 2 - * 2 AES_CBC AES-XCBC-MAC out 1 3 - * 2 AES_CTR AES-XCBC-MAC out 1 3 - * 2 AES_CBC HMAC-SHA256 out 1 3 - * 2 AES_CTR HMAC-SHA512 out 1 3 - * 2 AES_CTR HMAC-SHA256 in 1 2 - * 2 AES_CTR HMAC-SHA1 in 1 2 - * 2 AES_CBC HMAC-SHA512 out 1 3 - * 2 AES_CBC HMAC-SHA384 out 1 3 - * 2 AES_CTR HMAC-SHA1 out 1 3 - * 2 AES_CTR HMAC-SHA256 out 1 3 - * 2 AES_CBC HMAC-SHA1 in 1 2 - * 2 AES_CBC AES-XCBC-MAC in 1 2 - * 2 AES_CTR HMAC-SHA512 in 1 2 - * 2 AES_CBC HMAC-SHA1 out 1 3 - * 2 AES_CBC HMAC-SHA384 in 1 2 + * vpp# show dpdk crypto pools + * crypto_pool_numa1 + * available 15872, allocated 512 total 16384 + * phys_addr 0xf3d2086c0, flags 00000010, nb_mem_chunks 1 + * elt_size 160, header_size 64, trailer_size 96 + * private_data_size 64, total_elt_size 320 + * + * session_h_pool_numa1 + * available 19998, allocated 2 total 20000 + * phys_addr 0xf3c9c4380, flags 00000010, nb_mem_chunks 1 + * elt_size 40, header_size 64, trailer_size 88 + * private_data_size 0, total_elt_size 192 + * + * session_drv0_pool_numa1 + * available 19998, allocated 2 total 20000 + * phys_addr 0xf3ad42d80, flags 00000010, nb_mem_chunks 1 + * elt_size 512, header_size 64, trailer_size 0 + * private_data_size 0, total_elt_size 576 * @cliexend ?*/ /* *INDENT-OFF* */ -VLIB_CLI_COMMAND (lcore_cryptodev_map, static) = { - .path = "show crypto device mapping", - .short_help = - "show cryptodev device mapping [verbose]", - .function = lcore_cryptodev_map_fn, +VLIB_CLI_COMMAND (show_dpdk_crypto_pools, static) = { + .path = "show dpdk crypto pools", + .short_help = "show dpdk crypto pools", + .function = show_dpdk_crypto_pools_fn, }; /* *INDENT-ON* */ +/* TODO Allow user define number of sessions supported */ +/* TODO Allow user define descriptor queue size */ + /* * fd.io coding-style-patch-verification: ON * diff --git a/src/plugins/dpdk/ipsec/crypto_node.c b/src/plugins/dpdk/ipsec/crypto_node.c index a3c459023a3..edebaf6f838 100644 --- a/src/plugins/dpdk/ipsec/crypto_node.c +++ b/src/plugins/dpdk/ipsec/crypto_node.c @@ -2,10 +2,10 @@ *------------------------------------------------------------------ * crypto_node.c - DPDK Cryptodev input node * - * Copyright (c) 2016 Intel and/or its affiliates. + * Copyright (c) 2017 Intel and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: + * You may obtain a opy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * @@ -26,22 +26,9 @@ #include <dpdk/device/dpdk_priv.h> #include <dpdk/ipsec/ipsec.h> -#define foreach_dpdk_crypto_input_next \ - _(DROP, "error-drop") \ - _(ENCRYPT_POST, "dpdk-esp-encrypt-post") \ - _(DECRYPT_POST, "dpdk-esp-decrypt-post") - -typedef enum -{ -#define _(f,s) DPDK_CRYPTO_INPUT_NEXT_##f, - foreach_dpdk_crypto_input_next -#undef _ - DPDK_CRYPTO_INPUT_N_NEXT, -} dpdk_crypto_input_next_t; - #define foreach_dpdk_crypto_input_error \ _(DQ_COPS, "Crypto ops dequeued") \ - _(COP_FAILED, "Crypto op failed") + _(STATUS, "Crypto operation failed") typedef enum { @@ -61,13 +48,34 @@ vlib_node_registration_t dpdk_crypto_input_node; typedef struct { - u32 cdev; - u32 qp; u32 status; - u32 sa_idx; - u32 next_index; } dpdk_crypto_input_trace_t; +#define foreach_cryptodev_status \ + _(SUCCESS, "success") \ + _(NOT_PROCESSED, "not processed") \ + _(AUTH_FAILED, "auth failed") \ + _(INVALID_SESSION, "invalid session") \ + _(INVALID_ARGS, "invalid arguments") \ + _(ERROR, "error") + +static u8 * +format_cryptodev_status (u8 * s, va_list * args) +{ + u32 status = va_arg (*args, u32); + i8 *str = 0; + + switch (status) + { +#define _(x, z) case RTE_CRYPTO_OP_STATUS_##x: str = z; break; + foreach_cryptodev_status +#undef _ + } + s = format (s, "%s", str); + + return s; +} + static u8 * format_dpdk_crypto_input_trace (u8 * s, va_list * args) { @@ -75,96 +83,97 @@ format_dpdk_crypto_input_trace (u8 * s, va_list * args) CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); dpdk_crypto_input_trace_t *t = va_arg (*args, dpdk_crypto_input_trace_t *); - s = format (s, "dpdk_crypto: cryptodev-id %u queue-pair %u next-index %d", - t->cdev, t->qp, t->next_index); - - s = format (s, " status %u sa-idx %u\n", t->status, t->sa_idx); + s = format (s, "status: %U", format_cryptodev_status, t->status); return s; } static_always_inline u32 dpdk_crypto_dequeue (vlib_main_t * vm, vlib_node_runtime_t * node, - crypto_qp_data_t * qpd) + crypto_resource_t * res, u8 outbound) { - u32 n_deq, *to_next = 0, next_index, n_cops, def_next_index; - struct rte_crypto_op **cops = qpd->cops; - - if (qpd->inflights == 0) - return 0; - - if (qpd->is_outbound) - def_next_index = DPDK_CRYPTO_INPUT_NEXT_ENCRYPT_POST; - else - def_next_index = DPDK_CRYPTO_INPUT_NEXT_DECRYPT_POST; - - n_cops = rte_cryptodev_dequeue_burst (qpd->dev_id, qpd->qp_id, - cops, VLIB_FRAME_SIZE); - n_deq = n_cops; - next_index = def_next_index; + u32 n_deq, total_n_deq = 0, *to_next = 0, n_ops, next_index; + u32 thread_idx = vlib_get_thread_index (); + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + u8 numa = rte_socket_id (); + crypto_worker_main_t *cwm = + vec_elt_at_index (dcm->workers_main, thread_idx); + struct rte_crypto_op **ops; - qpd->inflights -= n_cops; - ASSERT (qpd->inflights >= 0); + next_index = node->cached_next_index; - while (n_cops > 0) + do { - u32 n_left_to_next; + ops = cwm->ops; + n_ops = rte_cryptodev_dequeue_burst (res->dev_id, + res->qp_id + outbound, + ops, VLIB_FRAME_SIZE); + res->inflights[outbound] -= n_ops; + ASSERT (res->inflights >= 0); - vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); + n_deq = n_ops; + total_n_deq += n_ops; - while (n_cops > 0 && n_left_to_next > 0) + while (n_ops > 0) { - u32 bi0, next0; - vlib_buffer_t *b0 = 0; - struct rte_crypto_op *cop; - struct rte_crypto_sym_op *sym_cop; + u32 n_left_to_next; - cop = cops[0]; - cops += 1; - n_cops -= 1; - n_left_to_next -= 1; + vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); - next0 = def_next_index; - - if (PREDICT_FALSE (cop->status != RTE_CRYPTO_OP_STATUS_SUCCESS)) + while (n_ops > 0 && n_left_to_next > 0) { - next0 = DPDK_CRYPTO_INPUT_NEXT_DROP; - vlib_node_increment_counter (vm, dpdk_crypto_input_node.index, - DPDK_CRYPTO_INPUT_ERROR_COP_FAILED, - 1); + u32 bi0, next0; + vlib_buffer_t *b0 = 0; + struct rte_crypto_op *op; + + op = ops[0]; + ops += 1; + n_ops -= 1; + n_left_to_next -= 1; + + dpdk_op_priv_t *priv = crypto_op_get_priv (op); + next0 = priv->next; + + if (PREDICT_FALSE (op->status != RTE_CRYPTO_OP_STATUS_SUCCESS)) + { + next0 = DPDK_CRYPTO_INPUT_NEXT_DROP; + vlib_node_increment_counter (vm, + dpdk_crypto_input_node.index, + DPDK_CRYPTO_INPUT_ERROR_STATUS, + 1); + } + + /* XXX store bi0 and next0 in op private? */ + + b0 = vlib_buffer_from_rte_mbuf (op->sym[0].m_src); + bi0 = vlib_get_buffer_index (vm, b0); + + to_next[0] = bi0; + to_next += 1; + + if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) + { + vlib_trace_next_frame (vm, node, next0); + dpdk_crypto_input_trace_t *tr = + vlib_add_trace (vm, node, b0, sizeof (*tr)); + tr->status = op->status; + } + + op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; + + vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, + n_left_to_next, bi0, next0); } - cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; - - sym_cop = (struct rte_crypto_sym_op *) (cop + 1); - b0 = vlib_buffer_from_rte_mbuf (sym_cop->m_src); - bi0 = vlib_get_buffer_index (vm, b0); - - to_next[0] = bi0; - to_next += 1; - - if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) - { - vlib_trace_next_frame (vm, node, next0); - dpdk_crypto_input_trace_t *tr = - vlib_add_trace (vm, node, b0, sizeof (*tr)); - tr->cdev = qpd->dev_id; - tr->qp = qpd->qp_id; - tr->status = cop->status; - tr->next_index = next0; - tr->sa_idx = vnet_buffer (b0)->ipsec.sad_index; - } - - vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, - n_left_to_next, bi0, next0); + vlib_put_next_frame (vm, node, next_index, n_left_to_next); } - vlib_put_next_frame (vm, node, next_index, n_left_to_next); - } - crypto_free_cop (qpd, qpd->cops, n_deq); + crypto_free_ops (numa, cwm->ops, n_deq); + } + while (n_deq == VLIB_FRAME_SIZE && res->inflights[outbound]); vlib_node_increment_counter (vm, dpdk_crypto_input_node.index, - DPDK_CRYPTO_INPUT_ERROR_DQ_COPS, n_deq); - return n_deq; + DPDK_CRYPTO_INPUT_ERROR_DQ_COPS, total_n_deq); + return total_n_deq; } static uword @@ -174,14 +183,55 @@ dpdk_crypto_input_fn (vlib_main_t * vm, vlib_node_runtime_t * node, u32 thread_index = vlib_get_thread_index (); dpdk_crypto_main_t *dcm = &dpdk_crypto_main; crypto_worker_main_t *cwm = &dcm->workers_main[thread_index]; - crypto_qp_data_t *qpd; + crypto_resource_t *res; u32 n_deq = 0; + u8 outbound; + u16 *remove = NULL, *res_idx; + word i; /* *INDENT-OFF* */ - vec_foreach (qpd, cwm->qp_data) - n_deq += dpdk_crypto_dequeue(vm, node, qpd); + vec_foreach (res_idx, cwm->resource_idx) + { + res = vec_elt_at_index (dcm->resource, res_idx[0]); + + outbound = 0; + if (res->inflights[outbound]) + n_deq += dpdk_crypto_dequeue (vm, node, res, outbound); + + outbound = 1; + if (res->inflights[outbound]) + n_deq += dpdk_crypto_dequeue (vm, node, res, outbound); + + if (unlikely(res->remove && !(res->inflights[0] || res->inflights[1]))) + vec_add1 (remove, res_idx[0]); + } /* *INDENT-ON* */ + /* TODO removal on master thread? */ + if (PREDICT_FALSE (remove != NULL)) + { + /* *INDENT-OFF* */ + vec_foreach (res_idx, remove) + { + i = vec_search (cwm->resource_idx, res_idx[0]); + vec_del1 (cwm->resource_idx, i); + + res = vec_elt_at_index (dcm->resource, res_idx[0]); + res->thread_idx = (u16) ~0; + res->remove = 0; + + i = vec_search (dcm->dev[res->dev_id].used_resources, res_idx[0]); + ASSERT (i != (u16) ~0); + vec_del1 (dcm->dev[res->dev_id].used_resources, i); + vec_add1 (dcm->dev[res->dev_id].free_resources, res_idx[0]); + } + /* *INDENT-ON* */ + + vec_free (remove); + } + + /* TODO Clear all sessions in device */ + return n_deq; } diff --git a/src/plugins/dpdk/ipsec/esp.h b/src/plugins/dpdk/ipsec/esp.h deleted file mode 100644 index 5b5c81aef47..00000000000 --- a/src/plugins/dpdk/ipsec/esp.h +++ /dev/null @@ -1,403 +0,0 @@ -/* - * Copyright (c) 2016 Intel and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#ifndef __DPDK_ESP_H__ -#define __DPDK_ESP_H__ - -#include <dpdk/ipsec/ipsec.h> -#include <vnet/ipsec/ipsec.h> -#include <vnet/ipsec/esp.h> - -typedef struct -{ - enum rte_crypto_cipher_algorithm algo; -#if ! DPDK_NO_AEAD - enum rte_crypto_aead_algorithm aead_algo; -#endif - u8 key_len; - u8 iv_len; -} dpdk_esp_crypto_alg_t; - -typedef struct -{ - enum rte_crypto_auth_algorithm algo; - u8 trunc_size; -} dpdk_esp_integ_alg_t; - -typedef struct -{ - dpdk_esp_crypto_alg_t *esp_crypto_algs; - dpdk_esp_integ_alg_t *esp_integ_algs; -} dpdk_esp_main_t; - -dpdk_esp_main_t dpdk_esp_main; - -static_always_inline void -dpdk_esp_init () -{ - dpdk_esp_main_t *em = &dpdk_esp_main; - dpdk_esp_integ_alg_t *i; - dpdk_esp_crypto_alg_t *c; - - vec_validate (em->esp_crypto_algs, IPSEC_CRYPTO_N_ALG - 1); - - c = &em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_128]; - c->algo = RTE_CRYPTO_CIPHER_AES_CBC; - c->key_len = 16; - c->iv_len = 16; - - c = &em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_192]; - c->algo = RTE_CRYPTO_CIPHER_AES_CBC; - c->key_len = 24; - c->iv_len = 16; - - c = &em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_256]; - c->algo = RTE_CRYPTO_CIPHER_AES_CBC; - c->key_len = 32; - c->iv_len = 16; - - c = &em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_GCM_128]; -#if DPDK_NO_AEAD - c->algo = RTE_CRYPTO_CIPHER_AES_GCM; -#else - c->aead_algo = RTE_CRYPTO_AEAD_AES_GCM; -#endif - c->key_len = 16; - c->iv_len = 8; - - vec_validate (em->esp_integ_algs, IPSEC_INTEG_N_ALG - 1); - - i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA1_96]; - i->algo = RTE_CRYPTO_AUTH_SHA1_HMAC; - i->trunc_size = 12; - - i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_256_96]; - i->algo = RTE_CRYPTO_AUTH_SHA256_HMAC; - i->trunc_size = 12; - - i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_256_128]; - i->algo = RTE_CRYPTO_AUTH_SHA256_HMAC; - i->trunc_size = 16; - - i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_384_192]; - i->algo = RTE_CRYPTO_AUTH_SHA384_HMAC; - i->trunc_size = 24; - - i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_512_256]; - i->algo = RTE_CRYPTO_AUTH_SHA512_HMAC; - i->trunc_size = 32; -#if DPDK_NO_AEAD - i = &em->esp_integ_algs[IPSEC_INTEG_ALG_AES_GCM_128]; - i->algo = RTE_CRYPTO_AUTH_AES_GCM; - i->trunc_size = 16; -#endif -} - -static_always_inline int -translate_crypto_algo (ipsec_crypto_alg_t crypto_algo, - struct rte_crypto_sym_xform *xform, u8 use_esn) -{ -#if ! DPDK_NO_AEAD - const u16 iv_off = - sizeof (struct rte_crypto_op) + sizeof (struct rte_crypto_sym_op) + - offsetof (dpdk_cop_priv_t, cb); -#endif - - xform->type = RTE_CRYPTO_SYM_XFORM_CIPHER; - - switch (crypto_algo) - { - case IPSEC_CRYPTO_ALG_NONE: -#if ! DPDK_NO_AEAD - xform->cipher.iv.offset = iv_off; - xform->cipher.iv.length = 0; -#endif - xform->cipher.algo = RTE_CRYPTO_CIPHER_NULL; - break; - case IPSEC_CRYPTO_ALG_AES_CBC_128: - case IPSEC_CRYPTO_ALG_AES_CBC_192: - case IPSEC_CRYPTO_ALG_AES_CBC_256: -#if ! DPDK_NO_AEAD - xform->cipher.iv.offset = iv_off; - xform->cipher.iv.length = 16; -#endif - xform->cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC; - break; - case IPSEC_CRYPTO_ALG_AES_GCM_128: -#if DPDK_NO_AEAD - xform->cipher.algo = RTE_CRYPTO_CIPHER_AES_GCM; -#else - xform->type = RTE_CRYPTO_SYM_XFORM_AEAD; - xform->aead.algo = RTE_CRYPTO_AEAD_AES_GCM; - xform->aead.iv.offset = iv_off; - xform->aead.iv.length = 12; /* GCM IV, not ESP IV */ - xform->aead.digest_length = 16; - xform->aead.aad_length = use_esn ? 12 : 8; -#endif - break; - default: - return -1; - } - - return 0; -} - -static_always_inline int -translate_integ_algo (ipsec_integ_alg_t integ_alg, - struct rte_crypto_sym_xform *auth_xform, u8 use_esn) -{ - auth_xform->type = RTE_CRYPTO_SYM_XFORM_AUTH; - - switch (integ_alg) - { - case IPSEC_INTEG_ALG_NONE: - auth_xform->auth.algo = RTE_CRYPTO_AUTH_NULL; - auth_xform->auth.digest_length = 0; - break; - case IPSEC_INTEG_ALG_SHA1_96: - auth_xform->auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC; - auth_xform->auth.digest_length = 12; - break; - case IPSEC_INTEG_ALG_SHA_256_96: - auth_xform->auth.algo = RTE_CRYPTO_AUTH_SHA256_HMAC; - auth_xform->auth.digest_length = 12; - break; - case IPSEC_INTEG_ALG_SHA_256_128: - auth_xform->auth.algo = RTE_CRYPTO_AUTH_SHA256_HMAC; - auth_xform->auth.digest_length = 16; - break; - case IPSEC_INTEG_ALG_SHA_384_192: - auth_xform->auth.algo = RTE_CRYPTO_AUTH_SHA384_HMAC; - auth_xform->auth.digest_length = 24; - break; - case IPSEC_INTEG_ALG_SHA_512_256: - auth_xform->auth.algo = RTE_CRYPTO_AUTH_SHA512_HMAC; - auth_xform->auth.digest_length = 32; - break; -#if DPDK_NO_AEAD - case IPSEC_INTEG_ALG_AES_GCM_128: - auth_xform->auth.algo = RTE_CRYPTO_AUTH_AES_GCM; - auth_xform->auth.digest_length = 16; - auth_xform->auth.add_auth_data_length = use_esn ? 12 : 8; - break; -#endif - default: - return -1; - } - - return 0; -} - -static_always_inline i32 -create_sym_sess (ipsec_sa_t * sa, crypto_sa_session_t * sa_sess, - u8 is_outbound) -{ - u32 thread_index = vlib_get_thread_index (); - dpdk_crypto_main_t *dcm = &dpdk_crypto_main; - crypto_worker_main_t *cwm = &dcm->workers_main[thread_index]; - struct rte_crypto_sym_xform cipher_xform = { 0 }; - struct rte_crypto_sym_xform auth_xform = { 0 }; - struct rte_crypto_sym_xform *xfs; - uword key = 0, *data; - crypto_worker_qp_key_t *p_key = (crypto_worker_qp_key_t *) & key; -#if ! DPDK_NO_AEAD - i32 socket_id = rte_socket_id (); - i32 ret; -#endif - - if (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128) - { - sa->crypto_key_len -= 4; - clib_memcpy (&sa->salt, &sa->crypto_key[sa->crypto_key_len], 4); - } - else - { - u32 seed = (u32) clib_cpu_time_now (); - sa->salt = random_u32 (&seed); - } - - if (translate_crypto_algo (sa->crypto_alg, &cipher_xform, sa->use_esn) < 0) - return -1; - p_key->cipher_algo = cipher_xform.cipher.algo; - - if (translate_integ_algo (sa->integ_alg, &auth_xform, sa->use_esn) < 0) - return -1; - p_key->auth_algo = auth_xform.auth.algo; - -#if ! DPDK_NO_AEAD - if (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128) - { - cipher_xform.aead.key.data = sa->crypto_key; - cipher_xform.aead.key.length = sa->crypto_key_len; - - if (is_outbound) - cipher_xform.cipher.op = - (enum rte_crypto_cipher_operation) RTE_CRYPTO_AEAD_OP_ENCRYPT; - else - cipher_xform.cipher.op = - (enum rte_crypto_cipher_operation) RTE_CRYPTO_AEAD_OP_DECRYPT; - cipher_xform.next = NULL; - xfs = &cipher_xform; - p_key->is_aead = 1; - } - else /* Cipher + Auth */ -#endif - { - cipher_xform.cipher.key.data = sa->crypto_key; - cipher_xform.cipher.key.length = sa->crypto_key_len; - - auth_xform.auth.key.data = sa->integ_key; - auth_xform.auth.key.length = sa->integ_key_len; - - if (is_outbound) - { - cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT; - auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE; - cipher_xform.next = &auth_xform; - xfs = &cipher_xform; - } - else - { - cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT; - auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_VERIFY; - auth_xform.next = &cipher_xform; - xfs = &auth_xform; - } - p_key->is_aead = 0; - } - - p_key->is_outbound = is_outbound; - - data = hash_get (cwm->algo_qp_map, key); - if (!data) - return -1; - -#if DPDK_NO_AEAD - sa_sess->sess = - rte_cryptodev_sym_session_create (cwm->qp_data[*data].dev_id, xfs); - if (!sa_sess->sess) - return -1; -#else - sa_sess->sess = - rte_cryptodev_sym_session_create (dcm->sess_h_pools[socket_id]); - if (!sa_sess->sess) - return -1; - - ret = - rte_cryptodev_sym_session_init (cwm->qp_data[*data].dev_id, sa_sess->sess, - xfs, dcm->sess_pools[socket_id]); - if (ret) - return -1; -#endif - - sa_sess->qp_index = (u8) * data; - - return 0; -} - -static_always_inline void -crypto_set_icb (dpdk_gcm_cnt_blk * icb, u32 salt, u32 seq, u32 seq_hi) -{ - icb->salt = salt; - icb->iv[0] = seq; - icb->iv[1] = seq_hi; -#if DPDK_NO_AEAD - icb->cnt = clib_host_to_net_u32 (1); -#endif -} - -#define __unused __attribute__((unused)) -static_always_inline void -crypto_op_setup (u8 is_aead, struct rte_mbuf *mb0, - struct rte_crypto_op *cop, void *session, - u32 cipher_off, u32 cipher_len, - u8 * icb __unused, u32 iv_size __unused, - u32 auth_off, u32 auth_len, - u8 * aad __unused, u32 aad_size __unused, - u8 * digest, u64 digest_paddr, u32 digest_size __unused) -{ - struct rte_crypto_sym_op *sym_cop; - - sym_cop = (struct rte_crypto_sym_op *) (cop + 1); - - sym_cop->m_src = mb0; - rte_crypto_op_attach_sym_session (cop, session); - - if (!digest_paddr) - digest_paddr = - rte_pktmbuf_mtophys_offset (mb0, (uintptr_t) digest - (uintptr_t) mb0); - -#if DPDK_NO_AEAD - sym_cop->cipher.data.offset = cipher_off; - sym_cop->cipher.data.length = cipher_len; - - sym_cop->cipher.iv.data = icb; - sym_cop->cipher.iv.phys_addr = - cop->phys_addr + (uintptr_t) icb - (uintptr_t) cop; - sym_cop->cipher.iv.length = iv_size; - - if (is_aead) - { - sym_cop->auth.aad.data = aad; - sym_cop->auth.aad.phys_addr = - cop->phys_addr + (uintptr_t) aad - (uintptr_t) cop; - sym_cop->auth.aad.length = aad_size; - } - else - { - sym_cop->auth.data.offset = auth_off; - sym_cop->auth.data.length = auth_len; - } - - sym_cop->auth.digest.data = digest; - sym_cop->auth.digest.phys_addr = digest_paddr; - sym_cop->auth.digest.length = digest_size; -#else /* ! DPDK_NO_AEAD */ - if (is_aead) - { - sym_cop->aead.data.offset = cipher_off; - sym_cop->aead.data.length = cipher_len; - - sym_cop->aead.aad.data = aad; - sym_cop->aead.aad.phys_addr = - cop->phys_addr + (uintptr_t) aad - (uintptr_t) cop; - - sym_cop->aead.digest.data = digest; - sym_cop->aead.digest.phys_addr = digest_paddr; - } - else - { - sym_cop->cipher.data.offset = cipher_off; - sym_cop->cipher.data.length = cipher_len; - - sym_cop->auth.data.offset = auth_off; - sym_cop->auth.data.length = auth_len; - - sym_cop->auth.digest.data = digest; - sym_cop->auth.digest.phys_addr = digest_paddr; - } -#endif /* DPDK_NO_AEAD */ -} - -#undef __unused - -#endif /* __DPDK_ESP_H__ */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ diff --git a/src/plugins/dpdk/ipsec/esp_decrypt.c b/src/plugins/dpdk/ipsec/esp_decrypt.c index c4f295d393c..90be466efd7 100644 --- a/src/plugins/dpdk/ipsec/esp_decrypt.c +++ b/src/plugins/dpdk/ipsec/esp_decrypt.c @@ -1,10 +1,10 @@ /* * esp_decrypt.c : IPSec ESP Decrypt node using DPDK Cryptodev * - * Copyright (c) 2016 Intel and/or its affiliates. + * Copyright (c) 2017 Intel and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: + * You may obtain a opy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * @@ -20,14 +20,14 @@ #include <vnet/ip/ip.h> #include <vnet/ipsec/ipsec.h> +#include <vnet/ipsec/esp.h> #include <dpdk/ipsec/ipsec.h> -#include <dpdk/ipsec/esp.h> #include <dpdk/device/dpdk.h> #include <dpdk/device/dpdk_priv.h> #define foreach_esp_decrypt_next \ _(DROP, "error-drop") \ -_(IP4_INPUT, "ip4-input") \ +_(IP4_INPUT, "ip4-input-no-checksum") \ _(IP6_INPUT, "ip6-input") #define _(v, s) ESP_DECRYPT_NEXT_##v, @@ -43,8 +43,10 @@ typedef enum { _(REPLAY, "SA replayed packet") \ _(NOT_IP, "Not IP packet (dropped)") \ _(ENQ_FAIL, "Enqueue failed (buffer full)") \ - _(NO_CRYPTODEV, "Cryptodev not configured") \ - _(BAD_LEN, "Invalid ciphertext length") + _(DISCARD, "Not enough crypto operations, discarding frame") \ + _(BAD_LEN, "Invalid ciphertext length") \ + _(SESSION, "Failed to get crypto session") \ + _(NOSUP, "Cipher/Auth not supported") typedef enum { @@ -65,6 +67,7 @@ vlib_node_registration_t dpdk_esp_decrypt_node; typedef struct { ipsec_crypto_alg_t crypto_alg; ipsec_integ_alg_t integ_alg; + u8 packet_data[64]; } esp_decrypt_trace_t; /* packet trace format function */ @@ -73,10 +76,14 @@ static u8 * format_esp_decrypt_trace (u8 * s, va_list * args) CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); esp_decrypt_trace_t * t = va_arg (*args, esp_decrypt_trace_t *); + uword indent = format_get_indent (s); - s = format (s, "esp: crypto %U integrity %U", + s = format (s, "cipher %U auth %U\n", format_ipsec_crypto_alg, t->crypto_alg, format_ipsec_integ_alg, t->integ_alg); + s = format (s, "%U%U", + format_white_space, indent, + format_esp_header, t->packet_data); return s; } @@ -87,30 +94,31 @@ dpdk_esp_decrypt_node_fn (vlib_main_t * vm, { u32 n_left_from, *from, *to_next, next_index; ipsec_main_t *im = &ipsec_main; - u32 thread_index = vlib_get_thread_index(); - dpdk_crypto_main_t * dcm = &dpdk_crypto_main; - dpdk_esp_main_t * em = &dpdk_esp_main; - u32 i; + u32 thread_idx = vlib_get_thread_index(); + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_resource_t *res = 0; + ipsec_sa_t *sa0 = 0; + crypto_alg_t *cipher_alg = 0, *auth_alg = 0; + struct rte_cryptodev_sym_session *session = 0; + u32 ret, last_sa_index = ~0; + u8 numa = rte_socket_id (); + u8 is_aead = 0; + crypto_worker_main_t *cwm = + vec_elt_at_index (dcm->workers_main, thread_idx); + struct rte_crypto_op **ops = cwm->ops; from = vlib_frame_vector_args (from_frame); n_left_from = from_frame->n_vectors; - crypto_worker_main_t *cwm = - vec_elt_at_index(dcm->workers_main, thread_index); - u32 n_qps = vec_len(cwm->qp_data); - struct rte_crypto_op ** cops_to_enq[n_qps]; - u32 n_cop_qp[n_qps], * bi_to_enq[n_qps]; - - for (i = 0; i < n_qps; i++) + ret = crypto_alloc_ops (numa, ops, n_left_from); + if (ret) { - bi_to_enq[i] = cwm->qp_data[i].bi; - cops_to_enq[i] = cwm->qp_data[i].cops; + vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index, + ESP_DECRYPT_ERROR_DISCARD, 1); + /* Discard whole frame */ + return n_left_from; } - memset(n_cop_qp, 0, n_qps * sizeof(u32)); - - crypto_alloc_cops(); - next_index = ESP_DECRYPT_NEXT_DROP; while (n_left_from > 0) @@ -121,44 +129,79 @@ dpdk_esp_decrypt_node_fn (vlib_main_t * vm, while (n_left_from > 0 && n_left_to_next > 0) { - u32 bi0, sa_index0 = ~0, seq, trunc_size, iv_size; - vlib_buffer_t * b0; - esp_header_t * esp0; - ipsec_sa_t * sa0; - struct rte_mbuf * mb0 = 0; - const int BLOCK_SIZE = 16; - crypto_sa_session_t * sa_sess; - void * sess; - u16 qp_index; - struct rte_crypto_op * cop = 0; + clib_error_t *error; + u32 bi0, sa_index0, seq, iv_size; + u8 trunc_size; + vlib_buffer_t *b0; + esp_header_t *esp0; + struct rte_mbuf *mb0; + struct rte_crypto_op *op; + u16 res_idx; bi0 = from[0]; from += 1; n_left_from -= 1; b0 = vlib_get_buffer (vm, bi0); + mb0 = rte_mbuf_from_vlib_buffer(b0); esp0 = vlib_buffer_get_current (b0); - sa_index0 = vnet_buffer(b0)->ipsec.sad_index; - sa0 = pool_elt_at_index (im->sad, sa_index0); + /* ih0/ih6_0 */ + CLIB_PREFETCH (esp0, sizeof (esp0[0]) + 16, LOAD); + /* mb0 */ + CLIB_PREFETCH (mb0, CLIB_CACHE_LINE_BYTES, STORE); - seq = clib_host_to_net_u32(esp0->seq); + op = ops[0]; + ops += 1; + ASSERT (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED); - /* anti-replay check */ - if (sa0->use_anti_replay) + dpdk_op_priv_t *priv = crypto_op_get_priv (op); + + u16 op_len = + sizeof (op[0]) + sizeof (op[0].sym[0]) + sizeof (priv[0]); + CLIB_PREFETCH (op, op_len, STORE); + + sa_index0 = vnet_buffer(b0)->ipsec.sad_index; + + if (sa_index0 != last_sa_index) { - int rv = 0; + last_sa_index = sa_index0; - if (PREDICT_TRUE(sa0->use_esn)) - rv = esp_replay_check_esn(sa0, seq); - else - rv = esp_replay_check(sa0, seq); + sa0 = pool_elt_at_index (im->sad, sa_index0); + + cipher_alg = vec_elt_at_index (dcm->cipher_algs, sa0->crypto_alg); + auth_alg = vec_elt_at_index (dcm->auth_algs, sa0->integ_alg); + +#if DPDK_NO_AEAD + is_aead = (sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128 | + sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_192 | + sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_256); +#else + is_aead = (cipher_alg->type == RTE_CRYPTO_SYM_XFORM_AEAD); +#endif + if (is_aead) + auth_alg = cipher_alg; - if (PREDICT_FALSE(rv)) + res_idx = get_resource (cwm, sa0); + + if (PREDICT_FALSE (res_idx == (u16) ~0)) { - clib_warning ("anti-replay SPI %u seq %u", sa0->spi, seq); + clib_warning ("unsupported SA by thread index %u", thread_idx); vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index, - ESP_DECRYPT_ERROR_REPLAY, 1); + ESP_DECRYPT_ERROR_NOSUP, 1); + to_next[0] = bi0; + to_next += 1; + n_left_to_next -= 1; + goto trace; + } + res = vec_elt_at_index (dcm->resource, res_idx); + + error = crypto_get_session (&session, sa_index0, res, cwm, 0); + if (PREDICT_FALSE (error || !session)) + { + clib_warning ("failed to get crypto session"); + vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index, + ESP_DECRYPT_ERROR_SESSION, 1); to_next[0] = bi0; to_next += 1; n_left_to_next -= 1; @@ -166,16 +209,23 @@ dpdk_esp_decrypt_node_fn (vlib_main_t * vm, } } - sa0->total_data_size += b0->current_length; + /* anti-replay check */ + if (sa0->use_anti_replay) + { + int rv = 0; - sa_sess = pool_elt_at_index(cwm->sa_sess_d[0], sa_index0); + seq = clib_net_to_host_u32 (esp0->seq); - if (PREDICT_FALSE(!sa_sess->sess)) - { - int ret = create_sym_sess(sa0, sa_sess, 0); + if (PREDICT_TRUE(sa0->use_esn)) + rv = esp_replay_check_esn (sa0, seq); + else + rv = esp_replay_check (sa0, seq); - if (PREDICT_FALSE (ret)) + if (PREDICT_FALSE (rv)) { + clib_warning ("failed anti-replay check"); + vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index, + ESP_DECRYPT_ERROR_REPLAY, 1); to_next[0] = bi0; to_next += 1; n_left_to_next -= 1; @@ -183,112 +233,101 @@ dpdk_esp_decrypt_node_fn (vlib_main_t * vm, } } - sess = sa_sess->sess; - qp_index = sa_sess->qp_index; - - ASSERT (vec_len (vec_elt (cwm->qp_data, qp_index).free_cops) > 0); - cop = vec_pop (vec_elt (cwm->qp_data, qp_index).free_cops); - ASSERT (cop->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED); - - cops_to_enq[qp_index][0] = cop; - cops_to_enq[qp_index] += 1; - n_cop_qp[qp_index] += 1; - bi_to_enq[qp_index][0] = bi0; - bi_to_enq[qp_index] += 1; + priv->next = DPDK_CRYPTO_INPUT_NEXT_DECRYPT_POST; - rte_crypto_op_attach_sym_session(cop, sess); + /* FIXME multi-seg */ + sa0->total_data_size += b0->current_length; - if (sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128) - trunc_size = 16; - else - trunc_size = em->esp_integ_algs[sa0->integ_alg].trunc_size; - iv_size = em->esp_crypto_algs[sa0->crypto_alg].iv_len; + res->ops[res->n_ops] = op; + res->bi[res->n_ops] = bi0; + res->n_ops += 1; /* Convert vlib buffer to mbuf */ - mb0 = rte_mbuf_from_vlib_buffer(b0); mb0->data_len = b0->current_length; mb0->pkt_len = b0->current_length; mb0->data_off = RTE_PKTMBUF_HEADROOM + b0->current_data; + trunc_size = auth_alg->trunc_size; + iv_size = cipher_alg->iv_len; + /* Outer IP header has already been stripped */ - u16 payload_len = rte_pktmbuf_pkt_len(mb0) - sizeof (esp_header_t) - - iv_size - trunc_size; + u16 payload_len = + b0->current_length - sizeof (esp_header_t) - iv_size - trunc_size; - if ((payload_len & (BLOCK_SIZE - 1)) || (payload_len <= 0)) + ASSERT (payload_len >= 4); + + if (payload_len & (cipher_alg->boundary - 1)) { clib_warning ("payload %u not multiple of %d\n", - payload_len, BLOCK_SIZE); + payload_len, cipher_alg->boundary); vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index, ESP_DECRYPT_ERROR_BAD_LEN, 1); - vec_add (vec_elt (cwm->qp_data, qp_index).free_cops, &cop, 1); - bi_to_enq[qp_index] -= 1; - cops_to_enq[qp_index] -= 1; - n_cop_qp[qp_index] -= 1; + res->n_ops -= 1; to_next[0] = bi0; to_next += 1; n_left_to_next -= 1; goto trace; } - struct rte_crypto_sym_op *sym_cop = (struct rte_crypto_sym_op *)(cop + 1); - - u8 is_aead = sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128; u32 cipher_off, cipher_len; - u32 auth_off = 0, auth_len = 0, aad_size = 0; + u32 auth_len = 0, aad_size = 0; u8 *aad = NULL, *digest = NULL; u64 digest_paddr = 0; - u8 *iv = rte_pktmbuf_mtod_offset(mb0, void*, sizeof (esp_header_t)); - dpdk_cop_priv_t *priv = (dpdk_cop_priv_t *)(sym_cop + 1); + u8 *iv = (u8 *) (esp0 + 1); + dpdk_gcm_cnt_blk *icb = &priv->cb; cipher_off = sizeof (esp_header_t) + iv_size; cipher_len = payload_len; - digest = - vlib_buffer_get_current (b0) + sizeof(esp_header_t) + - iv_size + payload_len; + digest = vlib_buffer_get_tail (b0) - trunc_size; - if (is_aead) - { + if (cipher_alg->alg == RTE_CRYPTO_CIPHER_AES_CBC) + clib_memcpy(icb, iv, 16); + else /* CTR/GCM */ + { u32 *_iv = (u32 *) iv; crypto_set_icb (icb, sa0->salt, _iv[0], _iv[1]); +#if DPDK_NO_AEAD iv_size = 16; +#else + iv_size = 12; +#endif + } + if (is_aead) + { aad = priv->aad; clib_memcpy(aad, esp0, 8); - aad_size = 8; - if (sa0->use_esn) + if (PREDICT_FALSE (sa0->use_esn)) { *((u32*)&aad[8]) = sa0->seq_hi; aad_size = 12; } + else + aad_size = 8; } else { - clib_memcpy(icb, iv, 16); - - auth_off = 0; auth_len = sizeof(esp_header_t) + iv_size + payload_len; if (sa0->use_esn) { - dpdk_cop_priv_t* priv = (dpdk_cop_priv_t*) (sym_cop + 1); - clib_memcpy (priv->icv, digest, trunc_size); *((u32*) digest) = sa0->seq_hi; auth_len += sizeof(sa0->seq_hi); digest = priv->icv; digest_paddr = - cop->phys_addr + (uintptr_t) priv->icv - (uintptr_t) cop; + op->phys_addr + (uintptr_t) priv->icv - (uintptr_t) op; } } - crypto_op_setup (is_aead, mb0, cop, sess, + crypto_op_setup (is_aead, mb0, op, session, cipher_off, cipher_len, (u8 *) icb, iv_size, - auth_off, auth_len, aad, aad_size, + 0, auth_len, aad, aad_size, digest, digest_paddr, trunc_size); trace: if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) @@ -296,38 +335,21 @@ trace: esp_decrypt_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof (*tr)); tr->crypto_alg = sa0->crypto_alg; tr->integ_alg = sa0->integ_alg; + clib_memcpy (tr->packet_data, vlib_buffer_get_current (b0), + sizeof (esp_header_t)); } } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } + vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index, ESP_DECRYPT_ERROR_RX_PKTS, from_frame->n_vectors); - crypto_qp_data_t *qpd; - /* *INDENT-OFF* */ - vec_foreach_index (i, cwm->qp_data) - { - u32 enq; - - if (!n_cop_qp[i]) - continue; - qpd = vec_elt_at_index(cwm->qp_data, i); - enq = rte_cryptodev_enqueue_burst(qpd->dev_id, qpd->qp_id, - qpd->cops, n_cop_qp[i]); - qpd->inflights += enq; + crypto_enqueue_ops (vm, cwm, 0, dpdk_esp_decrypt_node.index, + ESP_DECRYPT_ERROR_ENQ_FAIL, numa); - if (PREDICT_FALSE(enq < n_cop_qp[i])) - { - crypto_free_cop (qpd, &qpd->cops[enq], n_cop_qp[i] - enq); - vlib_buffer_free (vm, &qpd->bi[enq], n_cop_qp[i] - enq); - - vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index, - ESP_DECRYPT_ERROR_ENQ_FAIL, - n_cop_qp[i] - enq); - } - } - /* *INDENT-ON* */ + crypto_free_ops (numa, ops, cwm->ops + from_frame->n_vectors - ops); return from_frame->n_vectors; } @@ -378,6 +400,21 @@ vlib_node_registration_t dpdk_esp_decrypt_post_node; static u8 * format_esp_decrypt_post_trace (u8 * s, va_list * args) { + CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); + CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); + esp_decrypt_trace_t * t = va_arg (*args, esp_decrypt_trace_t *); + uword indent = format_get_indent (s); + + s = format (s, "cipher %U auth %U\n", + format_ipsec_crypto_alg, t->crypto_alg, + format_ipsec_integ_alg, t->integ_alg); + + ip4_header_t *ih4 = (ip4_header_t *) t->packet_data; + if ((ih4->ip_version_and_header_length & 0xF0) == 0x60) + s = format (s, "%U%U", format_white_space, indent, format_ip6_header, ih4); + else + s = format (s, "%U%U", format_white_space, indent, format_ip4_header, ih4); + return s; } @@ -390,7 +427,7 @@ dpdk_esp_decrypt_post_node_fn (vlib_main_t * vm, ipsec_sa_t * sa0; u32 sa_index0 = ~0; ipsec_main_t *im = &ipsec_main; - dpdk_esp_main_t *em = &dpdk_esp_main; + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; from = vlib_frame_vector_args (from_frame); n_left_from = from_frame->n_vectors; @@ -406,12 +443,13 @@ dpdk_esp_decrypt_post_node_fn (vlib_main_t * vm, while (n_left_from > 0 && n_left_to_next > 0) { esp_footer_t * f0; - u32 bi0, next0, trunc_size, iv_size; + u32 bi0, iv_size, next0; vlib_buffer_t * b0 = 0; ip4_header_t *ih4 = 0, *oh4 = 0; ip6_header_t *ih6 = 0, *oh6 = 0; - u8 tunnel_mode = 1; - u8 transport_ip6 = 0; + crypto_alg_t *cipher_alg, *auth_alg; + esp_header_t *esp0; + u8 trunc_size, is_aead; next0 = ESP_DECRYPT_NEXT_DROP; @@ -421,6 +459,7 @@ dpdk_esp_decrypt_post_node_fn (vlib_main_t * vm, n_left_to_next -= 1; b0 = vlib_get_buffer (vm, bi0); + esp0 = vlib_buffer_get_current (b0); sa_index0 = vnet_buffer(b0)->ipsec.sad_index; sa0 = pool_elt_at_index (im->sad, sa_index0); @@ -428,15 +467,24 @@ dpdk_esp_decrypt_post_node_fn (vlib_main_t * vm, to_next[0] = bi0; to_next += 1; - if (sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128) - trunc_size = 16; - else - trunc_size = em->esp_integ_algs[sa0->integ_alg].trunc_size; - iv_size = em->esp_crypto_algs[sa0->crypto_alg].iv_len; + cipher_alg = vec_elt_at_index (dcm->cipher_algs, sa0->crypto_alg); + auth_alg = vec_elt_at_index (dcm->auth_algs, sa0->integ_alg); +#if DPDK_NO_AEAD + is_aead = (sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128 | + sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_192 | + sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_256); +#else + is_aead = cipher_alg->type == RTE_CRYPTO_SYM_XFORM_AEAD; +#endif + if (is_aead) + auth_alg = cipher_alg; + + trunc_size = auth_alg->trunc_size; + + iv_size = cipher_alg->iv_len; if (sa0->use_anti_replay) { - esp_header_t * esp0 = vlib_buffer_get_current (b0); u32 seq; seq = clib_host_to_net_u32(esp0->seq); if (PREDICT_TRUE(sa0->use_esn)) @@ -445,39 +493,30 @@ dpdk_esp_decrypt_post_node_fn (vlib_main_t * vm, esp_replay_advance(sa0, seq); } + /* FIXME ip header */ ih4 = (ip4_header_t *) (b0->data + sizeof(ethernet_header_t)); vlib_buffer_advance (b0, sizeof (esp_header_t) + iv_size); - b0->current_length -= (trunc_size + 2); b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID; - f0 = (esp_footer_t *) ((u8 *) vlib_buffer_get_current (b0) + - b0->current_length); - b0->current_length -= f0->pad_length; - - /* transport mode */ - if (PREDICT_FALSE(!sa0->is_tunnel && !sa0->is_tunnel_ip6)) + f0 = (esp_footer_t *) (vlib_buffer_get_tail (b0) - trunc_size - 2); + b0->current_length -= (f0->pad_length + trunc_size + 2); +#if 0 + /* check padding */ + const u8 *padding = vlib_buffer_get_tail (b0); + if (PREDICT_FALSE (memcmp (padding, pad_data, f0->pad_length))) { - tunnel_mode = 0; - - if (PREDICT_TRUE((ih4->ip_version_and_header_length & 0xF0) != 0x40)) - { - if (PREDICT_TRUE((ih4->ip_version_and_header_length & 0xF0) == 0x60)) - transport_ip6 = 1; - else - { - clib_warning("next header: 0x%x", f0->next_header); - vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index, - ESP_DECRYPT_ERROR_NOT_IP, 1); - goto trace; - } - } + clib_warning("bad padding"); + vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index, + ESP_DECRYPT_ERROR_DECRYPTION_FAILED, + 1); + goto trace; } - - if (PREDICT_TRUE (tunnel_mode)) +#endif + if (sa0->is_tunnel) { - if (PREDICT_TRUE(f0->next_header == IP_PROTOCOL_IP_IN_IP)) + if (f0->next_header == IP_PROTOCOL_IP_IN_IP) next0 = ESP_DECRYPT_NEXT_IP4_INPUT; - else if (f0->next_header == IP_PROTOCOL_IPV6) + else if (sa0->is_tunnel_ip6 && f0->next_header == IP_PROTOCOL_IPV6) next0 = ESP_DECRYPT_NEXT_IP6_INPUT; else { @@ -488,11 +527,31 @@ dpdk_esp_decrypt_post_node_fn (vlib_main_t * vm, goto trace; } } - /* transport mode */ - else + else /* transport mode */ { - if (PREDICT_FALSE(transport_ip6)) + if ((ih4->ip_version_and_header_length & 0xF0) == 0x40) { + u16 ih4_len = ip4_header_bytes (ih4); + vlib_buffer_advance (b0, - ih4_len); + oh4 = vlib_buffer_get_current (b0); + memmove(oh4, ih4, ih4_len); + + next0 = ESP_DECRYPT_NEXT_IP4_INPUT; + u16 old_ttl_prot = + ((u16) oh4->ttl) << 8 | (u16) oh4->protocol; + u16 new_ttl_prot = + ((u16) oh4->ttl) << 8 | (u16) f0->next_header; + oh4->protocol = f0->next_header; + u16 new_len = clib_host_to_net_u16 (b0->current_length); + oh4->length = new_len; + /* rfc1264 incremental checksum update */ + oh4->checksum = ~(~oh4->checksum + ~oh4->length + new_len + + ~old_ttl_prot + new_ttl_prot); + + } + else if ((ih4->ip_version_and_header_length & 0xF0) == 0x60) + { + /* FIXME find ip header */ ih6 = (ip6_header_t *) (b0->data + sizeof(ethernet_header_t)); vlib_buffer_advance (b0, -sizeof(ip6_header_t)); oh6 = vlib_buffer_get_current (b0); @@ -500,36 +559,29 @@ dpdk_esp_decrypt_post_node_fn (vlib_main_t * vm, next0 = ESP_DECRYPT_NEXT_IP6_INPUT; oh6->protocol = f0->next_header; - oh6->payload_length = - clib_host_to_net_u16 ( - vlib_buffer_length_in_chain(vm, b0) - - sizeof (ip6_header_t)); + u16 len = b0->current_length - sizeof (ip6_header_t); + oh6->payload_length = clib_host_to_net_u16 (len); } else { - vlib_buffer_advance (b0, -sizeof(ip4_header_t)); - oh4 = vlib_buffer_get_current (b0); - memmove(oh4, ih4, sizeof(ip4_header_t)); - - next0 = ESP_DECRYPT_NEXT_IP4_INPUT; - oh4->ip_version_and_header_length = 0x45; - oh4->fragment_id = 0; - oh4->flags_and_fragment_offset = 0; - oh4->protocol = f0->next_header; - oh4->length = clib_host_to_net_u16 ( - vlib_buffer_length_in_chain (vm, b0)); - oh4->checksum = ip4_header_checksum (oh4); + clib_warning("next header: 0x%x", f0->next_header); + vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index, + ESP_DECRYPT_ERROR_DECRYPTION_FAILED, + 1); + goto trace; } } vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32)~0; -trace: + trace: if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) { esp_decrypt_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof (*tr)); tr->crypto_alg = sa0->crypto_alg; tr->integ_alg = sa0->integ_alg; + ih4 = vlib_buffer_get_current (b0); + clib_memcpy (tr->packet_data, ih4, sizeof (ip6_header_t)); } vlib_validate_buffer_enqueue_x1 (vm, node, next_index, @@ -537,6 +589,7 @@ trace: } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } + vlib_node_increment_counter (vm, dpdk_esp_decrypt_post_node.index, ESP_DECRYPT_POST_ERROR_PKTS, from_frame->n_vectors); diff --git a/src/plugins/dpdk/ipsec/esp_encrypt.c b/src/plugins/dpdk/ipsec/esp_encrypt.c index 6de444fd3bc..3ce22843289 100644 --- a/src/plugins/dpdk/ipsec/esp_encrypt.c +++ b/src/plugins/dpdk/ipsec/esp_encrypt.c @@ -1,7 +1,7 @@ /* * esp_encrypt.c : IPSec ESP encrypt node using DPDK Cryptodev * - * Copyright (c) 2016 Intel and/or its affiliates. + * Copyright (c) 2017 Intel and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: @@ -20,8 +20,8 @@ #include <vnet/ip/ip.h> #include <vnet/ipsec/ipsec.h> +#include <vnet/ipsec/esp.h> #include <dpdk/ipsec/ipsec.h> -#include <dpdk/ipsec/esp.h> #include <dpdk/device/dpdk.h> #include <dpdk/device/dpdk_priv.h> @@ -41,9 +41,11 @@ typedef enum #define foreach_esp_encrypt_error \ _(RX_PKTS, "ESP pkts received") \ - _(SEQ_CYCLED, "sequence number cycled") \ - _(ENQ_FAIL, "Enqueue failed (buffer full)") \ - _(NO_CRYPTODEV, "Cryptodev not configured") + _(SEQ_CYCLED, "Sequence number cycled") \ + _(ENQ_FAIL, "Enqueue failed to crypto device") \ + _(DISCARD, "Not enough crypto operations, discarding frame") \ + _(SESSION, "Failed to get crypto session") \ + _(NOSUP, "Cipher/Auth not supported") typedef enum @@ -64,10 +66,9 @@ vlib_node_registration_t dpdk_esp_encrypt_node; typedef struct { - u32 spi; - u32 seq; ipsec_crypto_alg_t crypto_alg; ipsec_integ_alg_t integ_alg; + u8 packet_data[64]; } esp_encrypt_trace_t; /* packet trace format function */ @@ -77,11 +78,29 @@ format_esp_encrypt_trace (u8 * s, va_list * args) CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); esp_encrypt_trace_t *t = va_arg (*args, esp_encrypt_trace_t *); + ip4_header_t *ih4 = (ip4_header_t *) t->packet_data; + uword indent = format_get_indent (s), offset; - s = format (s, "esp: spi %u seq %u crypto %U integrity %U", - t->spi, t->seq, + s = format (s, "cipher %U auth %U\n", format_ipsec_crypto_alg, t->crypto_alg, format_ipsec_integ_alg, t->integ_alg); + + if ((ih4->ip_version_and_header_length & 0xF0) == 0x60) + { + s = format (s, "%U%U", format_white_space, indent, + format_ip6_header, ih4); + offset = sizeof (ip6_header_t); + } + else + { + s = format (s, "%U%U", format_white_space, indent, + format_ip4_header, ih4); + offset = ip4_header_bytes (ih4); + } + + s = format (s, "\n%U%U", format_white_space, indent, + format_esp_header, t->packet_data + offset); + return s; } @@ -92,30 +111,31 @@ dpdk_esp_encrypt_node_fn (vlib_main_t * vm, { u32 n_left_from, *from, *to_next, next_index; ipsec_main_t *im = &ipsec_main; - u32 thread_index = vlib_get_thread_index (); + u32 thread_idx = vlib_get_thread_index (); dpdk_crypto_main_t *dcm = &dpdk_crypto_main; - dpdk_esp_main_t *em = &dpdk_esp_main; - u32 i; + crypto_resource_t *res = 0; + ipsec_sa_t *sa0 = 0; + crypto_alg_t *cipher_alg = 0, *auth_alg = 0; + struct rte_cryptodev_sym_session *session = 0; + u32 ret, last_sa_index = ~0; + u8 numa = rte_socket_id (); + u8 is_aead = 0; + crypto_worker_main_t *cwm = + vec_elt_at_index (dcm->workers_main, thread_idx); + struct rte_crypto_op **ops = cwm->ops; from = vlib_frame_vector_args (from_frame); n_left_from = from_frame->n_vectors; - crypto_worker_main_t *cwm = - vec_elt_at_index (dcm->workers_main, thread_index); - u32 n_qps = vec_len (cwm->qp_data); - struct rte_crypto_op **cops_to_enq[n_qps]; - u32 n_cop_qp[n_qps], *bi_to_enq[n_qps]; - - for (i = 0; i < n_qps; i++) + ret = crypto_alloc_ops (numa, ops, n_left_from); + if (ret) { - bi_to_enq[i] = cwm->qp_data[i].bi; - cops_to_enq[i] = cwm->qp_data[i].cops; + vlib_node_increment_counter (vm, dpdk_esp_encrypt_node.index, + ESP_ENCRYPT_ERROR_DISCARD, 1); + /* Discard whole frame */ + return n_left_from; } - memset (n_cop_qp, 0, n_qps * sizeof (u32)); - - crypto_alloc_cops (); - next_index = ESP_ENCRYPT_NEXT_DROP; while (n_left_from > 0) @@ -126,34 +146,99 @@ dpdk_esp_encrypt_node_fn (vlib_main_t * vm, while (n_left_from > 0 && n_left_to_next > 0) { - u32 bi0, next0; + clib_error_t *error; + u32 bi0; vlib_buffer_t *b0 = 0; u32 sa_index0; - ipsec_sa_t *sa0; ip4_and_esp_header_t *ih0, *oh0 = 0; ip6_and_esp_header_t *ih6_0, *oh6_0 = 0; - struct rte_mbuf *mb0 = 0; + esp_header_t *esp0; esp_footer_t *f0; - u8 is_ipv6; - u8 ip_hdr_size; - u8 next_hdr_type; - u8 transport_mode = 0; - const int BLOCK_SIZE = 16; + u8 is_ipv6, next_hdr_type; u32 iv_size; u16 orig_sz; u8 trunc_size; - crypto_sa_session_t *sa_sess; - void *sess; - struct rte_crypto_op *cop = 0; - u16 qp_index; + struct rte_mbuf *mb0 = 0; + struct rte_crypto_op *op; + u16 res_idx; bi0 = from[0]; from += 1; n_left_from -= 1; b0 = vlib_get_buffer (vm, bi0); + ih0 = vlib_buffer_get_current (b0); + mb0 = rte_mbuf_from_vlib_buffer (b0); + + /* ih0/ih6_0 */ + CLIB_PREFETCH (ih0, sizeof (ih6_0[0]), LOAD); + /* f0 */ + CLIB_PREFETCH (vlib_buffer_get_tail (b0), 20, STORE); + /* mb0 */ + CLIB_PREFETCH (mb0, CLIB_CACHE_LINE_BYTES, STORE); + + op = ops[0]; + ops += 1; + ASSERT (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED); + + dpdk_op_priv_t *priv = crypto_op_get_priv (op); + + u16 op_len = + sizeof (op[0]) + sizeof (op[0].sym[0]) + sizeof (priv[0]); + CLIB_PREFETCH (op, op_len, STORE); + sa_index0 = vnet_buffer (b0)->ipsec.sad_index; - sa0 = pool_elt_at_index (im->sad, sa_index0); + + if (sa_index0 != last_sa_index) + { + last_sa_index = sa_index0; + + sa0 = pool_elt_at_index (im->sad, sa_index0); + + cipher_alg = + vec_elt_at_index (dcm->cipher_algs, sa0->crypto_alg); + auth_alg = vec_elt_at_index (dcm->auth_algs, sa0->integ_alg); + +#if DPDK_NO_AEAD + is_aead = ((sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128) || + (sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_192) || + (sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_256)); +#else + is_aead = (cipher_alg->type == RTE_CRYPTO_SYM_XFORM_AEAD); +#endif + + if (is_aead) + auth_alg = cipher_alg; + + res_idx = get_resource (cwm, sa0); + + if (PREDICT_FALSE (res_idx == (u16) ~ 0)) + { + clib_warning ("unsupported SA by thread index %u", + thread_idx); + vlib_node_increment_counter (vm, + dpdk_esp_encrypt_node.index, + ESP_ENCRYPT_ERROR_NOSUP, 1); + to_next[0] = bi0; + to_next += 1; + n_left_to_next -= 1; + goto trace; + } + res = vec_elt_at_index (dcm->resource, res_idx); + + error = crypto_get_session (&session, sa_index0, res, cwm, 1); + if (PREDICT_FALSE (error || !session)) + { + clib_warning ("failed to get crypto session"); + vlib_node_increment_counter (vm, + dpdk_esp_encrypt_node.index, + ESP_ENCRYPT_ERROR_SESSION, 1); + to_next[0] = bi0; + to_next += 1; + n_left_to_next -= 1; + goto trace; + } + } if (PREDICT_FALSE (esp_seq_advance (sa0))) { @@ -168,272 +253,232 @@ dpdk_esp_encrypt_node_fn (vlib_main_t * vm, goto trace; } - sa0->total_data_size += b0->current_length; - - sa_sess = pool_elt_at_index (cwm->sa_sess_d[1], sa_index0); - if (PREDICT_FALSE (!sa_sess->sess)) - { - int ret = create_sym_sess (sa0, sa_sess, 1); - - if (PREDICT_FALSE (ret)) - { - to_next[0] = bi0; - to_next += 1; - n_left_to_next -= 1; - goto trace; - } - } + orig_sz = b0->current_length; - qp_index = sa_sess->qp_index; - sess = sa_sess->sess; + /* TODO multi-seg support - total_length_not_including_first_buffer */ + sa0->total_data_size += b0->current_length; - ASSERT (vec_len (vec_elt (cwm->qp_data, qp_index).free_cops) > 0); - cop = vec_pop (vec_elt (cwm->qp_data, qp_index).free_cops); - ASSERT (cop->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED); + res->ops[res->n_ops] = op; + res->bi[res->n_ops] = bi0; + res->n_ops += 1; - cops_to_enq[qp_index][0] = cop; - cops_to_enq[qp_index] += 1; - n_cop_qp[qp_index] += 1; - bi_to_enq[qp_index][0] = bi0; - bi_to_enq[qp_index] += 1; + dpdk_gcm_cnt_blk *icb = &priv->cb; - ssize_t adv; - iv_size = em->esp_crypto_algs[sa0->crypto_alg].iv_len; - if (sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128) - trunc_size = 16; - else - trunc_size = em->esp_integ_algs[sa0->integ_alg].trunc_size; + crypto_set_icb (icb, sa0->salt, sa0->seq, sa0->seq_hi); - ih0 = vlib_buffer_get_current (b0); - orig_sz = b0->current_length; is_ipv6 = (ih0->ip4.ip_version_and_header_length & 0xF0) == 0x60; - /* is ipv6 */ - if (PREDICT_TRUE (sa0->is_tunnel)) - { - if (PREDICT_TRUE (!is_ipv6)) - adv = -sizeof (ip4_and_esp_header_t); - else - adv = -sizeof (ip6_and_esp_header_t); - } - else - { - adv = -sizeof (esp_header_t); - if (PREDICT_TRUE (!is_ipv6)) - orig_sz -= sizeof (ip4_header_t); - else - orig_sz -= sizeof (ip6_header_t); - } - - /*transport mode save the eth header before it is overwritten */ - if (PREDICT_FALSE (!sa0->is_tunnel)) - { - ethernet_header_t *ieh0 = (ethernet_header_t *) - ((u8 *) vlib_buffer_get_current (b0) - - sizeof (ethernet_header_t)); - ethernet_header_t *oeh0 = - (ethernet_header_t *) ((u8 *) ieh0 + (adv - iv_size)); - clib_memcpy (oeh0, ieh0, sizeof (ethernet_header_t)); - } - - vlib_buffer_advance (b0, adv - iv_size); - /* XXX IP6/ip4 and IP4/IP6 not supported, only IP4/IP4 and IP6/IP6 */ + iv_size = cipher_alg->iv_len; + trunc_size = auth_alg->trunc_size; - /* is ipv6 */ - if (PREDICT_FALSE (is_ipv6)) + if (sa0->is_tunnel) { - ih6_0 = (ip6_and_esp_header_t *) ih0; - ip_hdr_size = sizeof (ip6_header_t); - oh6_0 = vlib_buffer_get_current (b0); - - if (PREDICT_TRUE (sa0->is_tunnel)) + if (!is_ipv6 && !sa0->is_tunnel_ip6) /* ip4inip4 */ + { + /* in tunnel mode send it back to FIB */ + priv->next = DPDK_CRYPTO_INPUT_NEXT_IP4_LOOKUP; + u8 adv = + sizeof (ip4_header_t) + sizeof (esp_header_t) + iv_size; + vlib_buffer_advance (b0, -adv); + oh0 = vlib_buffer_get_current (b0); + next_hdr_type = IP_PROTOCOL_IP_IN_IP; + /* + * oh0->ip4.ip_version_and_header_length = 0x45; + * oh0->ip4.tos = ih0->ip4.tos; + * oh0->ip4.fragment_id = 0; + * oh0->ip4.flags_and_fragment_offset = 0; + */ + oh0->ip4.checksum_data_64[0] = + clib_host_to_net_u64 (0x45ULL << 56); + /* + * oh0->ip4.ttl = 254; + * oh0->ip4.protocol = IP_PROTOCOL_IPSEC_ESP; + */ + oh0->ip4.checksum_data_32[2] = + clib_host_to_net_u32 (0xfe320000); + + oh0->ip4.src_address.as_u32 = + sa0->tunnel_src_addr.ip4.as_u32; + oh0->ip4.dst_address.as_u32 = + sa0->tunnel_dst_addr.ip4.as_u32; + esp0 = &oh0->esp; + oh0->esp.spi = clib_host_to_net_u32 (sa0->spi); + oh0->esp.seq = clib_host_to_net_u32 (sa0->seq); + } + else if (is_ipv6 && sa0->is_tunnel_ip6) /* ip6inip6 */ { + /* in tunnel mode send it back to FIB */ + priv->next = DPDK_CRYPTO_INPUT_NEXT_IP6_LOOKUP; + + u8 adv = + sizeof (ip6_header_t) + sizeof (esp_header_t) + iv_size; + vlib_buffer_advance (b0, -adv); + ih6_0 = (ip6_and_esp_header_t *) ih0; + oh6_0 = vlib_buffer_get_current (b0); + next_hdr_type = IP_PROTOCOL_IPV6; + oh6_0->ip6.ip_version_traffic_class_and_flow_label = ih6_0->ip6.ip_version_traffic_class_and_flow_label; + + oh6_0->ip6.protocol = IP_PROTOCOL_IPSEC_ESP; + oh6_0->ip6.hop_limit = 254; + oh6_0->ip6.src_address.as_u64[0] = + sa0->tunnel_src_addr.ip6.as_u64[0]; + oh6_0->ip6.src_address.as_u64[1] = + sa0->tunnel_src_addr.ip6.as_u64[1]; + oh6_0->ip6.dst_address.as_u64[0] = + sa0->tunnel_dst_addr.ip6.as_u64[0]; + oh6_0->ip6.dst_address.as_u64[1] = + sa0->tunnel_dst_addr.ip6.as_u64[1]; + esp0 = &oh6_0->esp; + oh6_0->esp.spi = clib_host_to_net_u32 (sa0->spi); + oh6_0->esp.seq = clib_host_to_net_u32 (sa0->seq); } - else + else /* unsupported ip4inip6, ip6inip4 */ { - next_hdr_type = ih6_0->ip6.protocol; - memmove (oh6_0, ih6_0, sizeof (ip6_header_t)); + vlib_node_increment_counter (vm, + dpdk_esp_encrypt_node.index, + ESP_ENCRYPT_ERROR_NOSUP, 1); + to_next[0] = bi0; + to_next += 1; + n_left_to_next -= 1; + goto trace; } - - oh6_0->ip6.protocol = IP_PROTOCOL_IPSEC_ESP; - oh6_0->ip6.hop_limit = 254; - oh6_0->esp.spi = clib_net_to_host_u32 (sa0->spi); - oh6_0->esp.seq = clib_net_to_host_u32 (sa0->seq); + vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0; } - else + else /* transport mode */ { - ip_hdr_size = sizeof (ip4_header_t); - oh0 = vlib_buffer_get_current (b0); - - if (PREDICT_TRUE (sa0->is_tunnel)) + priv->next = DPDK_CRYPTO_INPUT_NEXT_INTERFACE_OUTPUT; + u16 rewrite_len = vnet_buffer (b0)->ip.save_rewrite_length; + u16 adv = sizeof (esp_header_t) + iv_size; + vlib_buffer_advance (b0, -rewrite_len - adv); + u8 *src = ((u8 *) ih0) - rewrite_len; + u8 *dst = vlib_buffer_get_current (b0); + oh0 = (ip4_and_esp_header_t *) (dst + rewrite_len); + + if (is_ipv6) { - next_hdr_type = IP_PROTOCOL_IP_IN_IP; - oh0->ip4.tos = ih0->ip4.tos; + orig_sz -= sizeof (ip6_header_t); + ih6_0 = (ip6_and_esp_header_t *) ih0; + next_hdr_type = ih6_0->ip6.protocol; + memmove (dst, src, rewrite_len + sizeof (ip6_header_t)); + oh6_0 = (ip6_and_esp_header_t *) oh0; + oh6_0->ip6.protocol = IP_PROTOCOL_IPSEC_ESP; + esp0 = &oh6_0->esp; } - else + else /* ipv4 */ { + orig_sz -= ip4_header_bytes (&ih0->ip4); next_hdr_type = ih0->ip4.protocol; - memmove (oh0, ih0, sizeof (ip4_header_t)); + memmove (dst, src, + rewrite_len + ip4_header_bytes (&ih0->ip4)); + oh0->ip4.protocol = IP_PROTOCOL_IPSEC_ESP; + esp0 = + (esp_header_t *) (oh6_0 + ip4_header_bytes (&ih0->ip4)); } - - oh0->ip4.ip_version_and_header_length = 0x45; - oh0->ip4.fragment_id = 0; - oh0->ip4.flags_and_fragment_offset = 0; - oh0->ip4.ttl = 254; - oh0->ip4.protocol = IP_PROTOCOL_IPSEC_ESP; - oh0->esp.spi = clib_net_to_host_u32 (sa0->spi); - oh0->esp.seq = clib_net_to_host_u32 (sa0->seq); + esp0->spi = clib_host_to_net_u32 (sa0->spi); + esp0->seq = clib_host_to_net_u32 (sa0->seq); } - if (PREDICT_TRUE - (!is_ipv6 && sa0->is_tunnel && !sa0->is_tunnel_ip6)) - { - oh0->ip4.src_address.as_u32 = sa0->tunnel_src_addr.ip4.as_u32; - oh0->ip4.dst_address.as_u32 = sa0->tunnel_dst_addr.ip4.as_u32; + ASSERT (is_pow2 (cipher_alg->boundary)); + u16 mask = cipher_alg->boundary - 1; + u16 pad_payload_len = ((orig_sz + 2) + mask) & ~mask; + u8 pad_bytes = pad_payload_len - 2 - orig_sz; - /* in tunnel mode send it back to FIB */ - next0 = ESP_ENCRYPT_NEXT_IP4_LOOKUP; - vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0; - } - else if (is_ipv6 && sa0->is_tunnel && sa0->is_tunnel_ip6) + u8 *padding = + vlib_buffer_put_uninit (b0, pad_bytes + 2 + trunc_size); + + if (pad_bytes) + clib_memcpy (padding, pad_data, 16); + + f0 = (esp_footer_t *) (padding + pad_bytes); + f0->pad_length = pad_bytes; + f0->next_header = next_hdr_type; + + if (is_ipv6) { - oh6_0->ip6.src_address.as_u64[0] = - sa0->tunnel_src_addr.ip6.as_u64[0]; - oh6_0->ip6.src_address.as_u64[1] = - sa0->tunnel_src_addr.ip6.as_u64[1]; - oh6_0->ip6.dst_address.as_u64[0] = - sa0->tunnel_dst_addr.ip6.as_u64[0]; - oh6_0->ip6.dst_address.as_u64[1] = - sa0->tunnel_dst_addr.ip6.as_u64[1]; - - /* in tunnel mode send it back to FIB */ - next0 = ESP_ENCRYPT_NEXT_IP6_LOOKUP; - vnet_buffer (b0)->sw_if_index[VLIB_TX] = (u32) ~ 0; + u16 len = b0->current_length - sizeof (ip6_header_t); + oh6_0->ip6.payload_length = clib_host_to_net_u16 (len); } else { - next0 = ESP_ENCRYPT_NEXT_INTERFACE_OUTPUT; - transport_mode = 1; + oh0->ip4.length = clib_host_to_net_u16 (b0->current_length); + oh0->ip4.checksum = ip4_header_checksum (&oh0->ip4); } - int blocks = 1 + (orig_sz + 1) / BLOCK_SIZE; - - /* pad packet in input buffer */ - u8 pad_bytes = BLOCK_SIZE * blocks - 2 - orig_sz; - u8 i; - u8 *padding = vlib_buffer_get_current (b0) + b0->current_length; - - for (i = 0; i < pad_bytes; ++i) - padding[i] = i + 1; - - f0 = vlib_buffer_get_current (b0) + b0->current_length + pad_bytes; - f0->pad_length = pad_bytes; - f0->next_header = next_hdr_type; - b0->current_length += pad_bytes + 2 + trunc_size; - vnet_buffer (b0)->sw_if_index[VLIB_RX] = vnet_buffer (b0)->sw_if_index[VLIB_RX]; b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID; - struct rte_crypto_sym_op *sym_cop; - sym_cop = (struct rte_crypto_sym_op *) (cop + 1); + /* mbuf packet starts at ESP header */ + mb0->data_len = vlib_buffer_get_tail (b0) - ((u8 *) esp0); + mb0->pkt_len = vlib_buffer_get_tail (b0) - ((u8 *) esp0); + mb0->data_off = ((void *) esp0) - mb0->buf_addr; - dpdk_cop_priv_t *priv = (dpdk_cop_priv_t *) (sym_cop + 1); - - vnet_buffer (b0)->unused[0] = next0; - - mb0 = rte_mbuf_from_vlib_buffer (b0); - mb0->data_len = b0->current_length; - mb0->pkt_len = b0->current_length; - mb0->data_off = RTE_PKTMBUF_HEADROOM + b0->current_data; - - dpdk_gcm_cnt_blk *icb = &priv->cb; - - crypto_set_icb (icb, sa0->salt, sa0->seq, sa0->seq_hi); - - u8 is_aead = sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128; u32 cipher_off, cipher_len; - u32 auth_off = 0, auth_len = 0, aad_size = 0; - u8 *aad = NULL, *digest = NULL; + u32 auth_len = 0, aad_size = 0; + u32 *aad = NULL; + u8 *digest = vlib_buffer_get_tail (b0) - trunc_size; - if (is_aead) + if (cipher_alg->alg == RTE_CRYPTO_CIPHER_AES_CBC) { - u32 *esp_iv = - (u32 *) (b0->data + b0->current_data + ip_hdr_size + - sizeof (esp_header_t)); + cipher_off = sizeof (esp_header_t); + cipher_len = iv_size + pad_payload_len; + } + else /* CTR/GCM */ + { + u32 *esp_iv = (u32 *) (esp0 + 1); esp_iv[0] = sa0->seq; esp_iv[1] = sa0->seq_hi; - cipher_off = ip_hdr_size + sizeof (esp_header_t) + iv_size; - cipher_len = BLOCK_SIZE * blocks; - iv_size = 16; /* GCM IV size, not ESP IV size */ + cipher_off = sizeof (esp_header_t) + iv_size; + cipher_len = pad_payload_len; + + iv_size = 12; /* CTR/GCM IV size, not ESP IV size */ + } + + if (is_aead) + { + aad = (u32 *) priv->aad; + aad[0] = clib_host_to_net_u32 (sa0->spi); + aad[1] = clib_host_to_net_u32 (sa0->seq); - aad = priv->aad; - clib_memcpy (aad, vlib_buffer_get_current (b0) + ip_hdr_size, - 8); - aad_size = 8; - if (PREDICT_FALSE (sa0->use_esn)) + if (sa0->use_esn) { - *((u32 *) & aad[8]) = sa0->seq_hi; + aad[2] = clib_host_to_net_u32 (sa0->seq_hi); aad_size = 12; } - - digest = - vlib_buffer_get_current (b0) + b0->current_length - - trunc_size; + else + aad_size = 8; } else { - cipher_off = ip_hdr_size + sizeof (esp_header_t); - cipher_len = BLOCK_SIZE * blocks + iv_size; - - auth_off = ip_hdr_size; - auth_len = b0->current_length - ip_hdr_size - trunc_size; - - digest = - vlib_buffer_get_current (b0) + b0->current_length - - trunc_size; - - if (PREDICT_FALSE (sa0->use_esn)) + auth_len = + vlib_buffer_get_tail (b0) - ((u8 *) esp0) - trunc_size; + if (sa0->use_esn) { *((u32 *) digest) = sa0->seq_hi; - auth_len += sizeof (sa0->seq_hi); + auth_len += 4; } } - crypto_op_setup (is_aead, mb0, cop, sess, + crypto_op_setup (is_aead, mb0, op, session, cipher_off, cipher_len, (u8 *) icb, iv_size, - auth_off, auth_len, aad, aad_size, + 0, auth_len, (u8 *) aad, aad_size, digest, 0, trunc_size); - if (PREDICT_FALSE (is_ipv6)) - { - oh6_0->ip6.payload_length = - clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0) - - sizeof (ip6_header_t)); - } - else - { - oh0->ip4.length = - clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0)); - oh0->ip4.checksum = ip4_header_checksum (&oh0->ip4); - } - - if (transport_mode) - vlib_buffer_advance (b0, -sizeof (ethernet_header_t)); - trace: if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) { esp_encrypt_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof (*tr)); - tr->spi = sa0->spi; - tr->seq = sa0->seq - 1; tr->crypto_alg = sa0->crypto_alg; tr->integ_alg = sa0->integ_alg; + u8 *p = vlib_buffer_get_current (b0); + if (!sa0->is_tunnel) + p += vnet_buffer (b0)->ip.save_rewrite_length; + clib_memcpy (tr->packet_data, p, sizeof (tr->packet_data)); } } vlib_put_next_frame (vm, node, next_index, n_left_to_next); @@ -441,31 +486,11 @@ dpdk_esp_encrypt_node_fn (vlib_main_t * vm, vlib_node_increment_counter (vm, dpdk_esp_encrypt_node.index, ESP_ENCRYPT_ERROR_RX_PKTS, from_frame->n_vectors); - crypto_qp_data_t *qpd; - /* *INDENT-OFF* */ - vec_foreach_index (i, cwm->qp_data) - { - u32 enq; - - if (!n_cop_qp[i]) - continue; - qpd = vec_elt_at_index(cwm->qp_data, i); - enq = rte_cryptodev_enqueue_burst(qpd->dev_id, qpd->qp_id, - qpd->cops, n_cop_qp[i]); - qpd->inflights += enq; + crypto_enqueue_ops (vm, cwm, 1, dpdk_esp_encrypt_node.index, + ESP_ENCRYPT_ERROR_ENQ_FAIL, numa); - if (PREDICT_FALSE(enq < n_cop_qp[i])) - { - crypto_free_cop (qpd, &qpd->cops[enq], n_cop_qp[i] - enq); - vlib_buffer_free (vm, &qpd->bi[enq], n_cop_qp[i] - enq); - - vlib_node_increment_counter (vm, dpdk_esp_encrypt_node.index, - ESP_ENCRYPT_ERROR_ENQ_FAIL, - n_cop_qp[i] - enq); - } - } - /* *INDENT-ON* */ + crypto_free_ops (numa, ops, cwm->ops + from_frame->n_vectors - ops); return from_frame->n_vectors; } @@ -489,103 +514,6 @@ VLIB_REGISTER_NODE (dpdk_esp_encrypt_node) = { VLIB_NODE_FUNCTION_MULTIARCH (dpdk_esp_encrypt_node, dpdk_esp_encrypt_node_fn) /* - * ESP Encrypt Post Node - */ -#define foreach_esp_encrypt_post_error \ - _(PKTS, "ESP post pkts") - typedef enum - { -#define _(sym,str) ESP_ENCRYPT_POST_ERROR_##sym, - foreach_esp_encrypt_post_error -#undef _ - ESP_ENCRYPT_POST_N_ERROR, - } esp_encrypt_post_error_t; - - static char *esp_encrypt_post_error_strings[] = { -#define _(sym,string) string, - foreach_esp_encrypt_post_error -#undef _ - }; - -vlib_node_registration_t dpdk_esp_encrypt_post_node; - -static u8 * -format_esp_encrypt_post_trace (u8 * s, va_list * args) -{ - return s; -} - -static uword -dpdk_esp_encrypt_post_node_fn (vlib_main_t * vm, - vlib_node_runtime_t * node, - vlib_frame_t * from_frame) -{ - u32 n_left_from, *from, *to_next = 0, next_index; - - from = vlib_frame_vector_args (from_frame); - n_left_from = from_frame->n_vectors; - - next_index = node->cached_next_index; - - while (n_left_from > 0) - { - u32 n_left_to_next; - - vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); - - while (n_left_from > 0 && n_left_to_next > 0) - { - u32 bi0, next0; - vlib_buffer_t *b0 = 0; - - bi0 = from[0]; - from += 1; - n_left_from -= 1; - n_left_to_next -= 1; - - b0 = vlib_get_buffer (vm, bi0); - - to_next[0] = bi0; - to_next += 1; - - next0 = vnet_buffer (b0)->unused[0]; - - vlib_validate_buffer_enqueue_x1 (vm, node, next_index, - to_next, n_left_to_next, bi0, - next0); - } - vlib_put_next_frame (vm, node, next_index, n_left_to_next); - } - - vlib_node_increment_counter (vm, dpdk_esp_encrypt_post_node.index, - ESP_ENCRYPT_POST_ERROR_PKTS, - from_frame->n_vectors); - - return from_frame->n_vectors; -} - -/* *INDENT-OFF* */ -VLIB_REGISTER_NODE (dpdk_esp_encrypt_post_node) = { - .function = dpdk_esp_encrypt_post_node_fn, - .name = "dpdk-esp-encrypt-post", - .vector_size = sizeof (u32), - .format_trace = format_esp_encrypt_post_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - .n_errors = ARRAY_LEN (esp_encrypt_post_error_strings), - .error_strings = esp_encrypt_post_error_strings, - .n_next_nodes = ESP_ENCRYPT_N_NEXT, - .next_nodes = - { -#define _(s,n) [ESP_ENCRYPT_NEXT_##s] = n, - foreach_esp_encrypt_next -#undef _ - } -}; -/* *INDENT-ON* */ - -VLIB_NODE_FUNCTION_MULTIARCH (dpdk_esp_encrypt_post_node, - dpdk_esp_encrypt_post_node_fn) -/* * fd.io coding-style-patch-verification: ON * * Local Variables: diff --git a/src/plugins/dpdk/ipsec/ipsec.c b/src/plugins/dpdk/ipsec/ipsec.c index c9fce3d8392..2fd331c1ccd 100644 --- a/src/plugins/dpdk/ipsec/ipsec.c +++ b/src/plugins/dpdk/ipsec/ipsec.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016 Intel and/or its affiliates. + * Copyright (c) 2017 Intel and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: @@ -20,426 +20,1058 @@ #include <dpdk/device/dpdk.h> #include <dpdk/ipsec/ipsec.h> -#include <dpdk/ipsec/esp.h> -#define DPDK_CRYPTO_NB_SESS_OBJS 20000 -#define DPDK_CRYPTO_CACHE_SIZE 512 -#define DPDK_CRYPTO_PRIV_SIZE 128 -#define DPDK_CRYPTO_N_QUEUE_DESC 1024 -#define DPDK_CRYPTO_NB_COPS (1024 * 4) +#define EMPTY_STRUCT {0} -static int -add_del_sa_sess (u32 sa_index, u8 is_add) +static void +algos_init (u32 n_mains) { dpdk_crypto_main_t *dcm = &dpdk_crypto_main; - crypto_worker_main_t *cwm; - u8 skip_master = vlib_num_workers () > 0; + crypto_alg_t *a; + + vec_validate_aligned (dcm->cipher_algs, IPSEC_CRYPTO_N_ALG - 1, 8); + + { +#define _(v,f,str) \ + dcm->cipher_algs[IPSEC_CRYPTO_ALG_##f].name = str; \ + dcm->cipher_algs[IPSEC_CRYPTO_ALG_##f].disabled = n_mains; + foreach_ipsec_crypto_alg +#undef _ + } + + /* Minimum boundary for ciphers is 4B, required by ESP */ + a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_NONE]; + a->type = RTE_CRYPTO_SYM_XFORM_CIPHER; + a->alg = RTE_CRYPTO_CIPHER_NULL; + a->boundary = 4; /* 1 */ + a->key_len = 0; + a->iv_len = 0; + + a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_128]; + a->type = RTE_CRYPTO_SYM_XFORM_CIPHER; + a->alg = RTE_CRYPTO_CIPHER_AES_CBC; + a->boundary = 16; + a->key_len = 16; + a->iv_len = 16; + + a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_192]; + a->type = RTE_CRYPTO_SYM_XFORM_CIPHER; + a->alg = RTE_CRYPTO_CIPHER_AES_CBC; + a->boundary = 16; + a->key_len = 24; + a->iv_len = 16; + + a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_256]; + a->type = RTE_CRYPTO_SYM_XFORM_CIPHER; + a->alg = RTE_CRYPTO_CIPHER_AES_CBC; + a->boundary = 16; + a->key_len = 32; + a->iv_len = 16; + + a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_128]; + a->type = RTE_CRYPTO_SYM_XFORM_CIPHER; + a->alg = RTE_CRYPTO_CIPHER_AES_CTR; + a->boundary = 4; /* 1 */ + a->key_len = 16; + a->iv_len = 8; + + a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_192]; + a->type = RTE_CRYPTO_SYM_XFORM_CIPHER; + a->alg = RTE_CRYPTO_CIPHER_AES_CTR; + a->boundary = 4; /* 1 */ + a->key_len = 24; + a->iv_len = 8; + + a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_256]; + a->type = RTE_CRYPTO_SYM_XFORM_CIPHER; + a->alg = RTE_CRYPTO_CIPHER_AES_CTR; + a->boundary = 4; /* 1 */ + a->key_len = 32; + a->iv_len = 8; - /* *INDENT-OFF* */ - vec_foreach (cwm, dcm->workers_main) - { - crypto_sa_session_t *sa_sess; - u8 is_outbound; +#if DPDK_NO_AEAD +#define AES_GCM_TYPE RTE_CRYPTO_SYM_XFORM_CIPHER +#define AES_GCM_ALG RTE_CRYPTO_CIPHER_AES_GCM +#else +#define AES_GCM_TYPE RTE_CRYPTO_SYM_XFORM_AEAD +#define AES_GCM_ALG RTE_CRYPTO_AEAD_AES_GCM +#endif - if (skip_master) - { - skip_master = 0; - continue; - } + a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_128]; + a->type = AES_GCM_TYPE; + a->alg = AES_GCM_ALG; + a->boundary = 4; /* 1 */ + a->key_len = 16; + a->iv_len = 8; + a->trunc_size = 16; + + a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_192]; + a->type = AES_GCM_TYPE; + a->alg = AES_GCM_ALG; + a->boundary = 4; /* 1 */ + a->key_len = 24; + a->iv_len = 8; + a->trunc_size = 16; + + a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_256]; + a->type = AES_GCM_TYPE; + a->alg = AES_GCM_ALG; + a->boundary = 4; /* 1 */ + a->key_len = 32; + a->iv_len = 8; + a->trunc_size = 16; + + vec_validate (dcm->auth_algs, IPSEC_INTEG_N_ALG - 1); + + { +#define _(v,f,str) \ + dcm->auth_algs[IPSEC_INTEG_ALG_##f].name = str; \ + dcm->auth_algs[IPSEC_INTEG_ALG_##f].disabled = n_mains; + foreach_ipsec_integ_alg +#undef _ + } + + a = &dcm->auth_algs[IPSEC_INTEG_ALG_NONE]; + a->type = RTE_CRYPTO_SYM_XFORM_AUTH; + a->alg = RTE_CRYPTO_AUTH_NULL; + a->key_len = 0; + a->trunc_size = 0; + + a = &dcm->auth_algs[IPSEC_INTEG_ALG_MD5_96]; + a->type = RTE_CRYPTO_SYM_XFORM_AUTH; + a->alg = RTE_CRYPTO_AUTH_MD5_HMAC; + a->key_len = 16; + a->trunc_size = 12; + + a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA1_96]; + a->type = RTE_CRYPTO_SYM_XFORM_AUTH; + a->alg = RTE_CRYPTO_AUTH_SHA1_HMAC; + a->key_len = 20; + a->trunc_size = 12; + + a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_256_96]; + a->type = RTE_CRYPTO_SYM_XFORM_AUTH; + a->alg = RTE_CRYPTO_AUTH_SHA256_HMAC; + a->key_len = 32; + a->trunc_size = 12; + + a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_256_128]; + a->type = RTE_CRYPTO_SYM_XFORM_AUTH; + a->alg = RTE_CRYPTO_AUTH_SHA256_HMAC; + a->key_len = 32; + a->trunc_size = 16; + + a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_384_192]; + a->type = RTE_CRYPTO_SYM_XFORM_AUTH; + a->alg = RTE_CRYPTO_AUTH_SHA384_HMAC; + a->key_len = 48; + a->trunc_size = 24; + + a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_512_256]; + a->type = RTE_CRYPTO_SYM_XFORM_AUTH; + a->alg = RTE_CRYPTO_AUTH_SHA512_HMAC; + a->key_len = 64; + a->trunc_size = 32; +} - for (is_outbound = 0; is_outbound < 2; is_outbound++) - { - if (is_add) - { - pool_get (cwm->sa_sess_d[is_outbound], sa_sess); - } - else - { - u8 dev_id; - i32 ret; +static u8 +cipher_alg_index (const crypto_alg_t * alg) +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; - sa_sess = pool_elt_at_index (cwm->sa_sess_d[is_outbound], sa_index); - dev_id = cwm->qp_data[sa_sess->qp_index].dev_id; + return (alg - dcm->cipher_algs); +} - if (!sa_sess->sess) - continue; -#if DPDK_NO_AEAD - ret = (rte_cryptodev_sym_session_free(dev_id, sa_sess->sess) == NULL); - ASSERT (ret); -#else - ret = rte_cryptodev_sym_session_clear(dev_id, sa_sess->sess); - ASSERT (!ret); +static u8 +auth_alg_index (const crypto_alg_t * alg) +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + + return (alg - dcm->auth_algs); +} + +static crypto_alg_t * +cipher_cap_to_alg (const struct rte_cryptodev_capabilities *cap, u8 key_len) +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_alg_t *alg; + + if (cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC) + return NULL; - ret = rte_cryptodev_sym_session_free(sa_sess->sess); - ASSERT (!ret); + /* *INDENT-OFF* */ + vec_foreach (alg, dcm->cipher_algs) + { + if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) && + (alg->type == RTE_CRYPTO_SYM_XFORM_CIPHER) && + (cap->sym.cipher.algo == alg->alg) && + (alg->key_len == key_len)) + return alg; +#if ! DPDK_NO_AEAD + if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) && + (alg->type == RTE_CRYPTO_SYM_XFORM_AEAD) && + (cap->sym.aead.algo == alg->alg) && + (alg->key_len == key_len)) + return alg; #endif - memset(sa_sess, 0, sizeof(sa_sess[0])); - } - } } - /* *INDENT-OFF* */ + /* *INDENT-ON* */ - return 0; + return NULL; } -static void -update_qp_data (crypto_worker_main_t * cwm, - u8 cdev_id, u16 qp_id, u8 is_outbound, u16 * idx) +static crypto_alg_t * +auth_cap_to_alg (const struct rte_cryptodev_capabilities *cap, u8 trunc_size) { - crypto_qp_data_t *qpd; + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_alg_t *alg; + + if ((cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC) || + (cap->sym.xform_type != RTE_CRYPTO_SYM_XFORM_AUTH)) + return NULL; /* *INDENT-OFF* */ - vec_foreach_index (*idx, cwm->qp_data) + vec_foreach (alg, dcm->auth_algs) { - qpd = vec_elt_at_index(cwm->qp_data, *idx); - - if (qpd->dev_id == cdev_id && qpd->qp_id == qp_id && - qpd->is_outbound == is_outbound) - return; + if ((cap->sym.auth.algo == alg->alg) && + (alg->trunc_size == trunc_size)) + return alg; } /* *INDENT-ON* */ - vec_add2_aligned (cwm->qp_data, qpd, 1, CLIB_CACHE_LINE_BYTES); + return NULL; +} + +#if ! DPDK_NO_AEAD +static void +crypto_set_aead_xform (struct rte_crypto_sym_xform *xform, + ipsec_sa_t * sa, u8 is_outbound) +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_alg_t *c; + + c = vec_elt_at_index (dcm->cipher_algs, sa->crypto_alg); + + ASSERT (c->type == RTE_CRYPTO_SYM_XFORM_AEAD); + + xform->type = RTE_CRYPTO_SYM_XFORM_AEAD; + xform->aead.algo = c->alg; + xform->aead.key.data = sa->crypto_key; + xform->aead.key.length = c->key_len; + xform->aead.iv.offset = + crypto_op_get_priv_offset () + offsetof (dpdk_op_priv_t, cb); + xform->aead.iv.length = 12; + xform->aead.digest_length = c->trunc_size; + xform->aead.aad_length = sa->use_esn ? 12 : 8; + xform->next = NULL; - qpd->dev_id = cdev_id; - qpd->qp_id = qp_id; - qpd->is_outbound = is_outbound; + if (is_outbound) + xform->aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT; + else + xform->aead.op = RTE_CRYPTO_AEAD_OP_DECRYPT; } +#endif -/* - * return: - * 0: already exist - * 1: mapped - */ -static int -add_mapping (crypto_worker_main_t * cwm, - u8 cdev_id, u16 qp, u8 is_outbound, - const struct rte_cryptodev_capabilities *cipher_cap, - const struct rte_cryptodev_capabilities *auth_cap) +static void +crypto_set_cipher_xform (struct rte_crypto_sym_xform *xform, + ipsec_sa_t * sa, u8 is_outbound) { - u16 qp_index; - uword key = 0, data, *ret; - crypto_worker_qp_key_t *p_key = (crypto_worker_qp_key_t *) & key; + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_alg_t *c; - p_key->cipher_algo = (u8) cipher_cap->sym.cipher.algo; - p_key->auth_algo = (u8) auth_cap->sym.auth.algo; - p_key->is_outbound = is_outbound; + c = vec_elt_at_index (dcm->cipher_algs, sa->crypto_alg); + + ASSERT (c->type == RTE_CRYPTO_SYM_XFORM_CIPHER); + + xform->type = RTE_CRYPTO_SYM_XFORM_CIPHER; + xform->cipher.algo = c->alg; + xform->cipher.key.data = sa->crypto_key; + xform->cipher.key.length = c->key_len; #if ! DPDK_NO_AEAD - p_key->is_aead = cipher_cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD; + xform->cipher.iv.offset = + crypto_op_get_priv_offset () + offsetof (dpdk_op_priv_t, cb); + xform->cipher.iv.length = c->iv_len; #endif + xform->next = NULL; - ret = hash_get (cwm->algo_qp_map, key); - if (ret) - return 0; + if (is_outbound) + xform->cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT; + else + xform->cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT; +} - update_qp_data (cwm, cdev_id, qp, is_outbound, &qp_index); +static void +crypto_set_auth_xform (struct rte_crypto_sym_xform *xform, + ipsec_sa_t * sa, u8 is_outbound) +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_alg_t *a; + + a = vec_elt_at_index (dcm->auth_algs, sa->integ_alg); - data = (uword) qp_index; - hash_set (cwm->algo_qp_map, key, data); + ASSERT (a->type == RTE_CRYPTO_SYM_XFORM_AUTH); + + xform->type = RTE_CRYPTO_SYM_XFORM_AUTH; + xform->auth.algo = a->alg; + xform->auth.key.data = sa->integ_key; + xform->auth.key.length = a->key_len; + xform->auth.digest_length = a->trunc_size; +#if DPDK_NO_AEAD + if (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128 | + sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_192 | + sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_256) + xform->auth.algo = RTE_CRYPTO_AUTH_AES_GCM; + xform->auth.add_auth_data_length = sa->use_esn ? 12 : 8; +#else +#if 0 + xform->auth.iv.offset = + sizeof (struct rte_crypto_op) + sizeof (struct rte_crypto_sym_op) + + offsetof (dpdk_op_priv_t, cb); + xform->auth.iv.length = a->iv_len; +#endif +#endif + xform->next = NULL; - return 1; + if (is_outbound) + xform->auth.op = RTE_CRYPTO_AUTH_OP_GENERATE; + else + xform->auth.op = RTE_CRYPTO_AUTH_OP_VERIFY; } -/* - * return: - * 0: already exist - * 1: mapped - */ -static int -add_cdev_mapping (crypto_worker_main_t * cwm, - struct rte_cryptodev_info *dev_info, u8 cdev_id, - u16 qp, u8 is_outbound) +clib_error_t * +create_sym_session (struct rte_cryptodev_sym_session **session, + u32 sa_idx, + crypto_resource_t * res, + crypto_worker_main_t * cwm, u8 is_outbound) { - const struct rte_cryptodev_capabilities *i, *j; - u32 mapped = 0; + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + ipsec_main_t *im = &ipsec_main; + crypto_data_t *data; + ipsec_sa_t *sa; + struct rte_crypto_sym_xform cipher_xform = { 0 }; + struct rte_crypto_sym_xform auth_xform = { 0 }; + struct rte_crypto_sym_xform *xfs; + crypto_session_key_t key = { 0 }; + + key.drv_id = res->drv_id; + key.sa_idx = sa_idx; + + sa = pool_elt_at_index (im->sad, sa_idx); - for (i = dev_info->capabilities; i->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; i++) - { #if ! DPDK_NO_AEAD - if (i->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) + if ((sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128) | + (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_192) | + (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_256)) + { + crypto_set_aead_xform (&cipher_xform, sa, is_outbound); + xfs = &cipher_xform; + } + else +#endif /* ! DPDK_NO_AEAD */ + { + crypto_set_cipher_xform (&cipher_xform, sa, is_outbound); + crypto_set_auth_xform (&auth_xform, sa, is_outbound); + + if (is_outbound) + { + cipher_xform.next = &auth_xform; + xfs = &cipher_xform; + } + else { - struct rte_cryptodev_capabilities none = { 0 }; + auth_xform.next = &cipher_xform; + xfs = &auth_xform; + } + } - if (check_algo_is_supported (i, NULL) != 0) - continue; + data = vec_elt_at_index (dcm->data, res->numa); + +#if DPDK_NO_AEAD + /* + * DPDK_VER <= 1705: + * Each worker/thread has its own session per device driver + */ + session[0] = rte_cryptodev_sym_session_create (res->dev_id, xfs); + if (!session[0]) + { + data->session_drv_failed[res->drv_id] += 1; + return clib_error_return (0, "failed to create session for dev %u", + res->dev_id); + } +#else + /* + * DPDK_VER >= 1708: + * Multiple worker/threads share the session for an SA + * Single session per SA, initialized for each device driver + */ + session[0] = (void *) hash_get (data->session_by_sa_index, sa_idx); + + if (!session[0]) + { + session[0] = rte_cryptodev_sym_session_create (data->session_h); + if (!session[0]) + { + data->session_h_failed += 1; + return clib_error_return (0, "failed to create session header"); + } + hash_set (data->session_by_sa_index, sa_idx, session[0]); + } - none.sym.auth.algo = RTE_CRYPTO_AUTH_NULL; + struct rte_mempool **mp; + mp = vec_elt_at_index (data->session_drv, res->drv_id); + ASSERT (mp[0] != NULL); - mapped |= add_mapping (cwm, cdev_id, qp, is_outbound, i, &none); - continue; + i32 ret = + rte_cryptodev_sym_session_init (res->dev_id, session[0], xfs, mp[0]); + if (ret) + { + data->session_drv_failed[res->drv_id] += 1; + return clib_error_return (0, "failed to init session for drv %u", + res->drv_id); + } +#endif /* DPDK_NO_AEAD */ + + hash_set (cwm->session_by_drv_id_and_sa_index, key.val, session[0]); + + return 0; +} + +static void __attribute__ ((unused)) clear_and_free_obj (void *obj) +{ + struct rte_mempool *mp = rte_mempool_from_obj (obj); + + memset (obj, 0, mp->elt_size); + + rte_mempool_put (mp, obj); +} + +#if ! DPDK_NO_AEAD +/* This is from rte_cryptodev_pmd.h */ +static inline void * +get_session_private_data (const struct rte_cryptodev_sym_session *sess, + uint8_t driver_id) +{ + return sess->sess_private_data[driver_id]; +} + +/* This is from rte_cryptodev_pmd.h */ +static inline void +set_session_private_data (struct rte_cryptodev_sym_session *sess, + uint8_t driver_id, void *private_data) +{ + sess->sess_private_data[driver_id] = private_data; +} +#endif + +static clib_error_t * +add_del_sa_session (u32 sa_index, u8 is_add) +{ + ipsec_main_t *im = &ipsec_main; + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_worker_main_t *cwm; + struct rte_cryptodev_sym_session *s; + crypto_session_key_t key = { 0 }; + uword *val; + u32 drv_id; + i32 ret; + + key.sa_idx = sa_index; + + if (is_add) + { +#if 1 + ipsec_sa_t *sa = pool_elt_at_index (im->sad, sa_index); + u32 seed; + switch (sa->crypto_alg) + { + case IPSEC_CRYPTO_ALG_AES_GCM_128: + case IPSEC_CRYPTO_ALG_AES_GCM_192: + case IPSEC_CRYPTO_ALG_AES_GCM_256: + clib_memcpy (&sa->salt, &sa->crypto_key[sa->crypto_key_len - 4], 4); + break; + default: + seed = (u32) clib_cpu_time_now (); + sa->salt = random_u32 (&seed); } #endif - if (i->sym.xform_type != RTE_CRYPTO_SYM_XFORM_CIPHER) - continue; + return 0; + } - if (check_algo_is_supported (i, NULL) != 0) - continue; + /* XXX Wait N cycles to be sure session is not in use OR + * keep refcnt at SA level per worker/thread ? */ + unix_sleep (0.2); - for (j = dev_info->capabilities; j->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; - j++) + /* *INDENT-OFF* */ + vec_foreach (cwm, dcm->workers_main) + { + for (drv_id = 0; drv_id < dcm->max_drv_id; drv_id++) { - if (j->sym.xform_type != RTE_CRYPTO_SYM_XFORM_AUTH) - continue; + key.drv_id = drv_id; + val = hash_get (cwm->session_by_drv_id_and_sa_index, key.val); + s = (struct rte_cryptodev_sym_session *) val; - if (check_algo_is_supported (j, NULL) != 0) + if (!s) continue; - mapped |= add_mapping (cwm, cdev_id, qp, is_outbound, i, j); +#if DPDK_NO_AEAD + ret = (rte_cryptodev_sym_session_free (s->dev_id, s) == NULL); + ASSERT (ret); +#endif + hash_unset (cwm->session_by_drv_id_and_sa_index, key.val); } } + /* *INDENT-ON* */ - return mapped; -} +#if ! DPDK_NO_AEAD + crypto_data_t *data; + /* *INDENT-OFF* */ + vec_foreach (data, dcm->data) + { + val = hash_get (data->session_by_sa_index, sa_index); + s = (struct rte_cryptodev_sym_session *) val; -static int -check_cryptodev_queues () -{ - u32 n_qs = 0; - u8 cdev_id; - u32 n_req_qs = 2; + if (!s) + continue; - if (vlib_num_workers () > 0) - n_req_qs = vlib_num_workers () * 2; + hash_unset (data->session_by_sa_index, sa_index); - for (cdev_id = 0; cdev_id < rte_cryptodev_count (); cdev_id++) - { - struct rte_cryptodev_info cdev_info; + void *drv_session; + vec_foreach_index (drv_id, dcm->drv) + { + drv_session = get_session_private_data (s, drv_id); + if (!drv_session) + continue; - rte_cryptodev_info_get (cdev_id, &cdev_info); + /* + * Custom clear to avoid finding a dev_id for drv_id: + * ret = rte_cryptodev_sym_session_clear (dev_id, drv_session); + * ASSERT (!ret); + */ + clear_and_free_obj (drv_session); - if (! - (cdev_info.feature_flags & RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING)) - continue; + set_session_private_data (s, drv_id, NULL); + } - n_qs += cdev_info.max_nb_queue_pairs; + ret = rte_cryptodev_sym_session_free(s); + ASSERT (!ret); } + /* *INDENT-ON* */ +#endif - if (n_qs >= n_req_qs) - return 0; - else - return -1; + return 0; } static clib_error_t * dpdk_ipsec_check_support (ipsec_sa_t * sa) { - if (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128) + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + + if (sa->integ_alg == IPSEC_INTEG_ALG_NONE) + switch (sa->crypto_alg) + { + case IPSEC_CRYPTO_ALG_AES_GCM_128: + case IPSEC_CRYPTO_ALG_AES_GCM_192: + case IPSEC_CRYPTO_ALG_AES_GCM_256: + break; + default: + return clib_error_return (0, "unsupported integ-alg %U crypto-alg %U", + format_ipsec_integ_alg, sa->integ_alg, + format_ipsec_crypto_alg, sa->crypto_alg); + } + + /* XXX do we need the NONE check? */ + if (sa->crypto_alg != IPSEC_CRYPTO_ALG_NONE && + dcm->cipher_algs[sa->crypto_alg].disabled) + return clib_error_return (0, "disabled crypto-alg %U", + format_ipsec_crypto_alg, sa->crypto_alg); + + /* XXX do we need the NONE check? */ + if (sa->integ_alg != IPSEC_INTEG_ALG_NONE && + dcm->auth_algs[sa->integ_alg].disabled) + return clib_error_return (0, "disabled integ-alg %U", + format_ipsec_integ_alg, sa->integ_alg); + return NULL; +} + +static void +crypto_parse_capabilities (crypto_dev_t * dev, + const struct rte_cryptodev_capabilities *cap, + u32 n_mains) +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_alg_t *alg; + u8 len, inc; + + for (; cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; cap++) { - if (sa->integ_alg != IPSEC_INTEG_ALG_NONE) - return clib_error_return (0, "unsupported integ-alg %U with " - "crypto-alg aes-gcm-128", - format_ipsec_integ_alg, sa->integ_alg); -#if DPDK_NO_AEAD - sa->integ_alg = IPSEC_INTEG_ALG_AES_GCM_128; + /* A single capability maps to multiple cipher/auth algorithms */ + switch (cap->sym.xform_type) + { +#if ! DPDK_NO_AEAD + case RTE_CRYPTO_SYM_XFORM_AEAD: #endif + case RTE_CRYPTO_SYM_XFORM_CIPHER: + inc = cap->sym.cipher.key_size.increment; + inc = inc ? inc : 1; + for (len = cap->sym.cipher.key_size.min; + len <= cap->sym.cipher.key_size.max; len += inc) + { + alg = cipher_cap_to_alg (cap, len); + if (!alg) + continue; + dev->cipher_support[cipher_alg_index (alg)] = 1; + alg->resources += vec_len (dev->free_resources); + /* At least enough resources to support one algo */ + dcm->enabled |= (alg->resources >= n_mains); + } + break; + case RTE_CRYPTO_SYM_XFORM_AUTH: + inc = cap->sym.auth.digest_size.increment; + inc = inc ? inc : 1; + for (len = cap->sym.auth.digest_size.min; + len <= cap->sym.auth.digest_size.max; len += inc) + { + alg = auth_cap_to_alg (cap, len); + if (!alg) + continue; + dev->auth_support[auth_alg_index (alg)] = 1; + alg->resources += vec_len (dev->free_resources); + /* At least enough resources to support one algo */ + dcm->enabled |= (alg->resources >= n_mains); + } + break; + default: + ; + } } +} + +#define DPDK_CRYPTO_N_QUEUE_DESC 2048 +#define DPDK_CRYPTO_NB_SESS_OBJS 20000 + +static clib_error_t * +crypto_dev_conf (u8 dev, u16 n_qp, u8 numa) +{ + struct rte_cryptodev_config dev_conf; + struct rte_cryptodev_qp_conf qp_conf; + i32 ret; + u16 qp; + i8 *error_str; + + dev_conf.socket_id = numa; + dev_conf.nb_queue_pairs = n_qp; +#if DPDK_NO_AEAD + dev_conf.session_mp.nb_objs = DPDK_CRYPTO_NB_SESS_OBJS; + dev_conf.session_mp.cache_size = 512; +#endif + + error_str = "failed to configure crypto device %u"; + ret = rte_cryptodev_configure (dev, &dev_conf); + if (ret < 0) + return clib_error_return (0, error_str, dev); + + error_str = "failed to setup crypto device %u queue pair %u"; + qp_conf.nb_descriptors = DPDK_CRYPTO_N_QUEUE_DESC; + for (qp = 0; qp < n_qp; qp++) + { #if DPDK_NO_AEAD - else if (sa->crypto_alg == IPSEC_CRYPTO_ALG_NONE || - sa->integ_alg == IPSEC_INTEG_ALG_NONE || - sa->integ_alg == IPSEC_INTEG_ALG_AES_GCM_128) + ret = rte_cryptodev_queue_pair_setup (dev, qp, &qp_conf, numa); #else - else if (sa->integ_alg == IPSEC_INTEG_ALG_NONE) + ret = rte_cryptodev_queue_pair_setup (dev, qp, &qp_conf, numa, NULL); #endif - return clib_error_return (0, - "unsupported integ-alg %U with crypto-alg %U", - format_ipsec_integ_alg, sa->integ_alg, - format_ipsec_crypto_alg, sa->crypto_alg); + if (ret < 0) + return clib_error_return (0, error_str, dev, qp); + } return 0; } -static uword -dpdk_ipsec_process (vlib_main_t * vm, vlib_node_runtime_t * rt, - vlib_frame_t * f) +static void +crypto_scan_devs (u32 n_mains) { - ipsec_main_t *im = &ipsec_main; dpdk_crypto_main_t *dcm = &dpdk_crypto_main; - vlib_thread_main_t *tm = vlib_get_thread_main (); - struct rte_cryptodev_config dev_conf; - struct rte_cryptodev_qp_conf qp_conf; - struct rte_cryptodev_info cdev_info; - struct rte_mempool *rmp; - i32 dev_id, ret; - u32 i, skip_master; -#if ! DPDK_NO_AEAD - u32 max_sess_size = 0, sess_size; - i8 socket_id; + struct rte_cryptodev *cryptodev; + struct rte_cryptodev_info info; + crypto_dev_t *dev; + crypto_resource_t *res; + clib_error_t *error; + u32 i; + u16 max_res_idx, res_idx, j; + u8 drv_id; + + vec_validate_init_empty (dcm->dev, rte_cryptodev_count () - 1, + (crypto_dev_t) EMPTY_STRUCT); + + for (i = 0; i < rte_cryptodev_count (); i++) + { + dev = vec_elt_at_index (dcm->dev, i); + + cryptodev = &rte_cryptodevs[i]; + rte_cryptodev_info_get (i, &info); + + dev->id = i; + dev->name = cryptodev->data->name; + dev->numa = rte_cryptodev_socket_id (i); + dev->features = info.feature_flags; + dev->max_qp = info.max_nb_queue_pairs; +#if DPDK_NO_AEAD + drv_id = cryptodev->dev_type; +#else + drv_id = info.driver_id; #endif + if (drv_id >= vec_len (dcm->drv)) + vec_validate_init_empty (dcm->drv, drv_id, + (crypto_drv_t) EMPTY_STRUCT); + vec_elt_at_index (dcm->drv, drv_id)->name = info.driver_name; + dev->drv_id = drv_id; + vec_add1 (vec_elt_at_index (dcm->drv, drv_id)->devs, i); + + if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING)) + continue; - if (check_cryptodev_queues () < 0) - { - clib_warning ("not enough Cryptodevs, default to OpenSSL IPsec"); - return 0; - } - dcm->enabled = 1; + if ((error = crypto_dev_conf (i, dev->max_qp, dev->numa))) + { + clib_error_report (error); + continue; + } - vec_alloc (dcm->workers_main, tm->n_vlib_mains); - _vec_len (dcm->workers_main) = tm->n_vlib_mains; + max_res_idx = (dev->max_qp / 2) - 1; - skip_master = vlib_num_workers () > 0; + vec_validate (dev->free_resources, max_res_idx); - fprintf (stdout, "DPDK Cryptodevs info:\n"); - fprintf (stdout, "dev_id\tn_qp\tnb_obj\tcache_size\n"); - /* HW cryptodevs have higher dev_id, use HW first */ - for (dev_id = rte_cryptodev_count () - 1; dev_id >= 0; dev_id--) - { - u16 max_nb_qp, qp = 0; + res_idx = vec_len (dcm->resource); + vec_validate_init_empty_aligned (dcm->resource, res_idx + max_res_idx, + (crypto_resource_t) EMPTY_STRUCT, + CLIB_CACHE_LINE_BYTES); - rte_cryptodev_info_get (dev_id, &cdev_info); + for (j = 0; j <= max_res_idx; j++, res_idx++) + { + vec_elt (dev->free_resources, max_res_idx - j) = res_idx; + res = &dcm->resource[res_idx]; + res->dev_id = i; + res->drv_id = drv_id; + res->qp_id = j * 2; + res->numa = dev->numa; + res->thread_idx = (u16) ~ 0; + } - if (! - (cdev_info.feature_flags & RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING)) - continue; + crypto_parse_capabilities (dev, info.capabilities, n_mains); + } +} - max_nb_qp = cdev_info.max_nb_queue_pairs; +void +crypto_auto_placement (void) +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_resource_t *res; + crypto_worker_main_t *cwm; + crypto_dev_t *dev; + u32 thread_idx, skip_master; + u16 res_idx, *idx; + u8 used; + u16 i; - for (i = 0; i < tm->n_vlib_mains; i++) + skip_master = vlib_num_workers () > 0; + + /* *INDENT-OFF* */ + vec_foreach (dev, dcm->dev) + { + vec_foreach_index (thread_idx, dcm->workers_main) { - u8 is_outbound; - crypto_worker_main_t *cwm; - uword *map; + if (vec_len (dev->free_resources) == 0) + break; + + if (thread_idx < skip_master) + continue; + + /* Check thread is not already using the device */ + vec_foreach (idx, dev->used_resources) + if (dcm->resource[idx[0]].thread_idx == thread_idx) + continue; - if (skip_master) + cwm = vec_elt_at_index (dcm->workers_main, thread_idx); + + used = 0; + res_idx = vec_pop (dev->free_resources); + + /* Set device only for supported algos */ + for (i = 0; i < IPSEC_CRYPTO_N_ALG; i++) + if (dev->cipher_support[i] && + cwm->cipher_resource_idx[i] == (u16) ~0) + { + dcm->cipher_algs[i].disabled--; + cwm->cipher_resource_idx[i] = res_idx; + used = 1; + } + + for (i = 0; i < IPSEC_INTEG_N_ALG; i++) + if (dev->auth_support[i] && + cwm->auth_resource_idx[i] == (u16) ~0) + { + dcm->auth_algs[i].disabled--; + cwm->auth_resource_idx[i] = res_idx; + used = 1; + } + + if (!used) { - skip_master = 0; + vec_add1 (dev->free_resources, res_idx); continue; } - cwm = vec_elt_at_index (dcm->workers_main, i); - map = cwm->algo_qp_map; + vec_add1 (dev->used_resources, res_idx); - if (!map) - { - map = hash_create (0, sizeof (crypto_worker_qp_key_t)); - if (!map) - { - clib_warning ("unable to create hash table for worker %u", - vlib_mains[i]->thread_index); - goto error; - } - cwm->algo_qp_map = map; - } + res = vec_elt_at_index (dcm->resource, res_idx); + + ASSERT (res->thread_idx == (u16) ~0); + res->thread_idx = thread_idx; - for (is_outbound = 0; is_outbound < 2 && qp < max_nb_qp; - is_outbound++) - qp += add_cdev_mapping (cwm, &cdev_info, dev_id, qp, is_outbound); + /* Add device to vector of polling resources */ + vec_add1 (cwm->resource_idx, res_idx); } + } + /* *INDENT-ON* */ +} - if (qp == 0) - continue; +static void +crypto_op_init (struct rte_mempool *mempool, + void *_arg __attribute__ ((unused)), + void *_obj, unsigned i __attribute__ ((unused))) +{ + struct rte_crypto_op *op = _obj; - dev_conf.socket_id = rte_cryptodev_socket_id (dev_id); - dev_conf.nb_queue_pairs = cdev_info.max_nb_queue_pairs; #if DPDK_NO_AEAD - dev_conf.session_mp.nb_objs = DPDK_CRYPTO_NB_SESS_OBJS; - dev_conf.session_mp.cache_size = DPDK_CRYPTO_CACHE_SIZE; + op->sym = (struct rte_crypto_sym_op *) (op + 1); + op->sym->sess_type = RTE_CRYPTO_SYM_OP_WITH_SESSION; +#else + op->sess_type = RTE_CRYPTO_OP_WITH_SESSION; #endif - ret = rte_cryptodev_configure (dev_id, &dev_conf); - if (ret < 0) - { - clib_warning ("cryptodev %u config error", dev_id); - goto error; - } + op->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; + op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; + op->phys_addr = rte_mem_virt2phy (_obj); + op->mempool = mempool; +} - qp_conf.nb_descriptors = DPDK_CRYPTO_N_QUEUE_DESC; - for (qp = 0; qp < dev_conf.nb_queue_pairs; qp++) - { +static clib_error_t * +crypto_create_crypto_op_pool (u8 numa) +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + dpdk_config_main_t *conf = &dpdk_config_main; + crypto_data_t *data; + u8 *pool_name; + u32 pool_priv_size = sizeof (struct rte_crypto_op_pool_private); + struct rte_crypto_op_pool_private *priv; + clib_error_t *error = NULL; + + data = vec_elt_at_index (dcm->data, numa); + + if (data->crypto_op) + return NULL; + + pool_name = format (0, "crypto_pool_numa%u%c", numa, 0); + + data->crypto_op = + rte_mempool_create ((i8 *) pool_name, conf->num_mbufs, crypto_op_len (), + 512, pool_priv_size, NULL, NULL, crypto_op_init, NULL, + numa, 0); + + if (!data->crypto_op) + { + error = clib_error_return (0, "failed to allocate %s", pool_name); + goto done; + } + + priv = rte_mempool_get_priv (data->crypto_op); + + priv->priv_size = pool_priv_size; + priv->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; + +done: + vec_free (pool_name); + + return error; +} + +static clib_error_t * +crypto_create_session_h_pool (u8 numa) +{ #if DPDK_NO_AEAD - ret = rte_cryptodev_queue_pair_setup (dev_id, qp, &qp_conf, - dev_conf.socket_id); + return NULL; #else - ret = rte_cryptodev_queue_pair_setup (dev_id, qp, &qp_conf, - dev_conf.socket_id, NULL); + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_data_t *data; + u8 *pool_name; + u32 elt_size; + clib_error_t *error = NULL; + + data = vec_elt_at_index (dcm->data, numa); + + if (data->session_h) + return NULL; + + pool_name = format (0, "session_h_pool_numa%u%c", numa, 0); + elt_size = rte_cryptodev_get_header_session_size (); + + data->session_h = + rte_mempool_create ((i8 *) pool_name, DPDK_CRYPTO_NB_SESS_OBJS, elt_size, + 512, 0, NULL, NULL, NULL, NULL, numa, 0); + + if (!data->session_h) + error = clib_error_return (0, "failed to allocate %s", pool_name); + + vec_free (pool_name); + + return error; #endif - if (ret < 0) - { - clib_warning ("cryptodev %u qp %u setup error", dev_id, qp); - goto error; - } - } - vec_validate (dcm->cop_pools, dev_conf.socket_id); +} -#if ! DPDK_NO_AEAD - sess_size = rte_cryptodev_get_private_session_size (dev_id); - if (sess_size > max_sess_size) - max_sess_size = sess_size; +static clib_error_t * +crypto_create_session_drv_pool (crypto_dev_t * dev) +{ +#if DPDK_NO_AEAD + return NULL; +#else + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_data_t *data; + u8 *pool_name; + u32 elt_size; + clib_error_t *error = NULL; + u8 numa = dev->numa; + + data = vec_elt_at_index (dcm->data, numa); + + vec_validate (data->session_drv, dev->drv_id); + vec_validate (data->session_drv_failed, dev->drv_id); + + if (data->session_drv[dev->drv_id]) + return NULL; + + pool_name = format (0, "session_drv%u_pool_numa%u%c", dev->drv_id, numa, 0); + elt_size = rte_cryptodev_get_private_session_size (dev->id); + + data->session_drv[dev->drv_id] = + rte_mempool_create ((i8 *) pool_name, DPDK_CRYPTO_NB_SESS_OBJS, elt_size, + 512, 0, NULL, NULL, NULL, NULL, numa, 0); + + if (!data->session_drv[dev->drv_id]) + error = clib_error_return (0, "failed to allocate %s", pool_name); + + vec_free (pool_name); + + return error; #endif +} - if (!vec_elt (dcm->cop_pools, dev_conf.socket_id)) - { - u8 *pool_name = format (0, "crypto_op_pool_socket%u%c", - dev_conf.socket_id, 0); - - rmp = rte_crypto_op_pool_create ((char *) pool_name, - RTE_CRYPTO_OP_TYPE_SYMMETRIC, - DPDK_CRYPTO_NB_COPS * - (1 + vlib_num_workers ()), - DPDK_CRYPTO_CACHE_SIZE, - DPDK_CRYPTO_PRIV_SIZE, - dev_conf.socket_id); - - if (!rmp) - { - clib_warning ("failed to allocate %s", pool_name); - vec_free (pool_name); - goto error; - } - vec_free (pool_name); - vec_elt (dcm->cop_pools, dev_conf.socket_id) = rmp; - } +static clib_error_t * +crypto_create_pools (void) +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + clib_error_t *error = NULL; + crypto_dev_t *dev; + + /* *INDENT-OFF* */ + vec_foreach (dev, dcm->dev) + { + vec_validate (dcm->data, dev->numa); + + error = crypto_create_crypto_op_pool (dev->numa); + if (error) + return error; + + error = crypto_create_session_h_pool (dev->numa); + if (error) + return error; - fprintf (stdout, "%u\t%u\t%u\t%u\n", dev_id, dev_conf.nb_queue_pairs, - DPDK_CRYPTO_NB_SESS_OBJS, DPDK_CRYPTO_CACHE_SIZE); + error = crypto_create_session_drv_pool (dev); + if (error) + return error; } + /* *INDENT-ON* */ + + return NULL; +} + +static void +crypto_disable (void) +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_data_t *data; + u8 i; + + dcm->enabled = 0; -#if ! DPDK_NO_AEAD /* *INDENT-OFF* */ - vec_foreach_index (socket_id, dcm->cop_pools) + vec_foreach (data, dcm->data) { - u8 *pool_name; + rte_mempool_free (data->crypto_op); + rte_mempool_free (data->session_h); - if (!vec_elt (dcm->cop_pools, socket_id)) - continue; + vec_foreach_index (i, data->session_drv) + rte_mempool_free (data->session_drv[i]); - vec_validate (dcm->sess_h_pools, socket_id); - pool_name = format (0, "crypto_sess_h_socket%u%c", - socket_id, 0); - rmp = - rte_mempool_create((i8 *)pool_name, DPDK_CRYPTO_NB_SESS_OBJS, - rte_cryptodev_get_header_session_size (), - 512, 0, NULL, NULL, NULL, NULL, - socket_id, 0); - if (!rmp) - { - clib_warning ("failed to allocate %s", pool_name); - vec_free (pool_name); - goto error; - } - vec_free (pool_name); - vec_elt (dcm->sess_h_pools, socket_id) = rmp; - - vec_validate (dcm->sess_pools, socket_id); - pool_name = format (0, "crypto_sess_socket%u%c", - socket_id, 0); - rmp = - rte_mempool_create((i8 *)pool_name, DPDK_CRYPTO_NB_SESS_OBJS, - max_sess_size, 512, 0, NULL, NULL, NULL, NULL, - socket_id, 0); - if (!rmp) - { - clib_warning ("failed to allocate %s", pool_name); - vec_free (pool_name); - goto error; - } - vec_free (pool_name); - vec_elt (dcm->sess_pools, socket_id) = rmp; + vec_free (data->session_drv); } /* *INDENT-ON* */ -#endif - dpdk_esp_init (); + vec_free (dcm->data); - /* Add new next node and set as default */ + vec_free (dcm->workers_main); + vec_free (dcm->sa_session); + vec_free (dcm->dev); + vec_free (dcm->resource); + vec_free (dcm->cipher_algs); + vec_free (dcm->auth_algs); +} + +static uword +dpdk_ipsec_process (vlib_main_t * vm, vlib_node_runtime_t * rt, + vlib_frame_t * f) +{ + ipsec_main_t *im = &ipsec_main; + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + vlib_thread_main_t *tm = vlib_get_thread_main (); + crypto_worker_main_t *cwm; + clib_error_t *error = NULL; + u32 i, skip_master, n_mains; + + n_mains = tm->n_vlib_mains; + skip_master = vlib_num_workers () > 0; + + algos_init (n_mains - skip_master); + + crypto_scan_devs (n_mains - skip_master); + + if (!(dcm->enabled)) + { + clib_warning ("not enough DPDK crypto resources, default to OpenSSL"); + crypto_disable (); + return 0; + } + + vec_validate_init_empty (dcm->workers_main, n_mains - 1, + (crypto_worker_main_t) EMPTY_STRUCT); + + /* *INDENT-OFF* */ + vec_foreach (cwm, dcm->workers_main) + { + memset (cwm->cipher_resource_idx, ~0, + IPSEC_CRYPTO_N_ALG * sizeof(*cwm->cipher_resource_idx)); + memset (cwm->auth_resource_idx, ~0, + IPSEC_INTEG_N_ALG * sizeof(*cwm->auth_resource_idx)); + } + /* *INDENT-ON* */ + + crypto_auto_placement (); + + error = crypto_create_pools (); + if (error) + { + clib_error_report (error); + crypto_disable (); + return 0; + } + + /* Add new next node and set it as default */ vlib_node_t *node, *next_node; next_node = vlib_get_node_by_name (vm, (u8 *) "dpdk-esp-encrypt"); @@ -459,33 +1091,12 @@ dpdk_ipsec_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_node_add_next (vm, node->index, next_node->index); im->cb.check_support_cb = dpdk_ipsec_check_support; - im->cb.add_del_sa_sess_cb = add_del_sa_sess; - - for (i = skip_master; i < tm->n_vlib_mains; i++) - vlib_node_set_state (vlib_mains[i], dpdk_crypto_input_node.index, - VLIB_NODE_STATE_POLLING); - - /* TODO cryptodev counters */ - - return 0; - -error: - ; - crypto_worker_main_t *cwm; - struct rte_mempool **mp; - /* *INDENT-OFF* */ - vec_foreach (cwm, dcm->workers_main) - hash_free (cwm->algo_qp_map); - - vec_foreach (mp, dcm->cop_pools) - { - if (mp) - rte_mempool_free (mp[0]); - } - /* *INDENT-ON* */ - vec_free (dcm->workers_main); - vec_free (dcm->cop_pools); + im->cb.add_del_sa_sess_cb = add_del_sa_session; + node = vlib_get_node_by_name (vm, (u8 *) "dpdk-crypto-input"); + ASSERT (node); + for (i = skip_master; i < n_mains; i++) + vlib_node_set_state (vlib_mains[i], node->index, VLIB_NODE_STATE_POLLING); return 0; } diff --git a/src/plugins/dpdk/ipsec/ipsec.h b/src/plugins/dpdk/ipsec/ipsec.h index a94dd6821af..98e5ad53acb 100644 --- a/src/plugins/dpdk/ipsec/ipsec.h +++ b/src/plugins/dpdk/ipsec/ipsec.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016 Intel and/or its affiliates. + * Copyright (c) 2017 Intel and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: @@ -16,6 +16,8 @@ #define __DPDK_IPSEC_H__ #include <vnet/vnet.h> +#include <vppinfra/cache.h> +#include <vnet/ipsec/ipsec.h> #undef always_inline #include <rte_config.h> @@ -28,6 +30,20 @@ #define always_inline static inline __attribute__ ((__always_inline__)) #endif +#define foreach_dpdk_crypto_input_next \ + _(DROP, "error-drop") \ + _(IP4_LOOKUP, "ip4-lookup") \ + _(IP6_LOOKUP, "ip6-lookup") \ + _(INTERFACE_OUTPUT, "interface-output") \ + _(DECRYPT_POST, "dpdk-esp-decrypt-post") + +typedef enum +{ +#define _(f,s) DPDK_CRYPTO_INPUT_NEXT_##f, + foreach_dpdk_crypto_input_next +#undef _ + DPDK_CRYPTO_INPUT_N_NEXT, +} dpdk_crypto_input_next_t; #define MAX_QP_PER_LCORE 16 @@ -41,196 +57,334 @@ typedef struct typedef struct { dpdk_gcm_cnt_blk cb; - union - { - u8 aad[12]; - u8 icv[64]; - }; -} dpdk_cop_priv_t; + u8 aad[12]; + u32 next; + u8 icv[32]; +} dpdk_op_priv_t __attribute__ ((aligned (16))); typedef struct { - u8 cipher_algo; - u8 auth_algo; - u8 is_outbound; - u8 is_aead; -} crypto_worker_qp_key_t; + u16 *resource_idx; + uword *session_by_drv_id_and_sa_index; + u16 cipher_resource_idx[IPSEC_CRYPTO_N_ALG]; + u16 auth_resource_idx[IPSEC_INTEG_N_ALG]; + struct rte_crypto_op *ops[VLIB_FRAME_SIZE]; +} crypto_worker_main_t __attribute__ ((aligned (CLIB_CACHE_LINE_BYTES))); typedef struct { - u16 dev_id; - u16 qp_id; - u16 is_outbound; - i16 inflights; - u32 bi[VLIB_FRAME_SIZE]; - struct rte_crypto_op *cops[VLIB_FRAME_SIZE]; - struct rte_crypto_op **free_cops; -} crypto_qp_data_t; + char *name; + enum rte_crypto_sym_xform_type type; + u32 alg; + u8 key_len; + u8 iv_len; + u8 trunc_size; + u8 boundary; + u8 disabled; + u8 resources; +} crypto_alg_t __attribute__ ((aligned (8))); typedef struct { - u8 qp_index; - void *sess; -} crypto_sa_session_t; + u16 *free_resources; + u16 *used_resources; + u8 cipher_support[IPSEC_CRYPTO_N_ALG]; + u8 auth_support[IPSEC_INTEG_N_ALG]; + u8 drv_id; + u8 numa; + u16 id; + const i8 *name; + u32 max_qp; + u64 features; +} crypto_dev_t; + +typedef struct +{ + const i8 *name; + u16 *devs; +} crypto_drv_t; + +typedef struct +{ + u16 thread_idx; + u8 remove; + u8 drv_id; + u8 dev_id; + u8 numa; + u16 qp_id; + u16 inflights[2]; + u16 n_ops; + u16 __unused; + struct rte_crypto_op *ops[VLIB_FRAME_SIZE]; + u32 bi[VLIB_FRAME_SIZE]; +} crypto_resource_t __attribute__ ((aligned (CLIB_CACHE_LINE_BYTES))); typedef struct { - crypto_sa_session_t *sa_sess_d[2]; - crypto_qp_data_t *qp_data; - uword *algo_qp_map; -} crypto_worker_main_t; + struct rte_mempool *crypto_op; + struct rte_mempool *session_h; + struct rte_mempool **session_drv; + uword *session_by_sa_index; + u64 crypto_op_get_failed; + u64 session_h_failed; + u64 *session_drv_failed; +} crypto_data_t; typedef struct { - struct rte_mempool **sess_h_pools; - struct rte_mempool **sess_pools; - struct rte_mempool **cop_pools; crypto_worker_main_t *workers_main; + struct rte_cryptodev_sym_session **sa_session; + crypto_dev_t *dev; + crypto_resource_t *resource; + crypto_alg_t *cipher_algs; + crypto_alg_t *auth_algs; + crypto_data_t *data; + crypto_drv_t *drv; + u8 max_drv_id; u8 enabled; } dpdk_crypto_main_t; dpdk_crypto_main_t dpdk_crypto_main; -extern vlib_node_registration_t dpdk_crypto_input_node; +static const u8 pad_data[] = + { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 0 }; -#define CRYPTO_N_FREE_COPS (VLIB_FRAME_SIZE * 3) +void crypto_auto_placement (void); -static_always_inline void -crypto_alloc_cops () +clib_error_t *create_sym_session (struct rte_cryptodev_sym_session **session, + u32 sa_idx, crypto_resource_t * res, + crypto_worker_main_t * cwm, u8 is_outbound); + +static_always_inline u32 +crypto_op_len (void) +{ + const u32 align = 16; + u32 op_size = + sizeof (struct rte_crypto_op) + sizeof (struct rte_crypto_sym_op); + + return ((op_size + align - 1) & ~(align - 1)) + sizeof (dpdk_op_priv_t); +} + +static_always_inline u32 +crypto_op_get_priv_offset (void) +{ + const u32 align = 16; + u32 offset; + + offset = sizeof (struct rte_crypto_op) + sizeof (struct rte_crypto_sym_op); + offset = (offset + align - 1) & ~(align - 1); + + return offset; +} + +static_always_inline dpdk_op_priv_t * +crypto_op_get_priv (struct rte_crypto_op * op) +{ + return (dpdk_op_priv_t *) (((u8 *) op) + crypto_op_get_priv_offset ()); +} + +/* XXX this requires 64 bit builds so hash_xxx macros use u64 key */ +typedef union +{ + u64 val; + struct + { + u32 drv_id; + u32 sa_idx; + }; +} crypto_session_key_t; + +static_always_inline clib_error_t * +crypto_get_session (struct rte_cryptodev_sym_session **session, + u32 sa_idx, + crypto_resource_t * res, + crypto_worker_main_t * cwm, u8 is_outbound) +{ + crypto_session_key_t key = { 0 }; + + key.drv_id = res->drv_id; + key.sa_idx = sa_idx; + + uword *val = hash_get (cwm->session_by_drv_id_and_sa_index, key.val); + + if (PREDICT_FALSE (!val)) + return create_sym_session (session, sa_idx, res, cwm, is_outbound); + + session[0] = (struct rte_cryptodev_sym_session *) val[0]; + + return NULL; +} + +static_always_inline u16 +get_resource (crypto_worker_main_t * cwm, ipsec_sa_t * sa) +{ + u16 cipher_res = cwm->cipher_resource_idx[sa->crypto_alg]; + u16 auth_res = cwm->auth_resource_idx[sa->integ_alg]; + u8 is_aead; + + /* Not allowed to setup SA with no-aead-cipher/NULL or NULL/NULL */ + + is_aead = ((sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128) | + (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_192) | + (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_256)); + + if (sa->crypto_alg == IPSEC_CRYPTO_ALG_NONE) + return auth_res; + + if (cipher_res == auth_res) + return cipher_res; + + if (is_aead) + return cipher_res; + + return (u16) ~ 0; +} + +static_always_inline i32 +crypto_alloc_ops (u8 numa, struct rte_crypto_op ** ops, u32 n) { dpdk_crypto_main_t *dcm = &dpdk_crypto_main; - u32 thread_index = vlib_get_thread_index (); - crypto_worker_main_t *cwm = &dcm->workers_main[thread_index]; - unsigned socket_id = rte_socket_id (); - crypto_qp_data_t *qpd; + crypto_data_t *data = vec_elt_at_index (dcm->data, numa); + i32 ret; - /* *INDENT-OFF* */ - vec_foreach (qpd, cwm->qp_data) - { - u32 l = vec_len (qpd->free_cops); + ret = rte_mempool_get_bulk (data->crypto_op, (void **) ops, n); - if (PREDICT_FALSE (l < VLIB_FRAME_SIZE)) - { - u32 n_alloc; + data->crypto_op_get_failed += ! !ret; - if (PREDICT_FALSE (!qpd->free_cops)) - vec_alloc (qpd->free_cops, CRYPTO_N_FREE_COPS); + return ret; +} - n_alloc = rte_crypto_op_bulk_alloc (dcm->cop_pools[socket_id], - RTE_CRYPTO_OP_TYPE_SYMMETRIC, - &qpd->free_cops[l], - CRYPTO_N_FREE_COPS - l - 1); +static_always_inline void +crypto_free_ops (u8 numa, struct rte_crypto_op **ops, u32 n) +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_data_t *data = vec_elt_at_index (dcm->data, numa); - _vec_len (qpd->free_cops) = l + n_alloc; - } - } - /* *INDENT-ON* */ + if (!n) + return; + + rte_mempool_put_bulk (data->crypto_op, (void **) ops, n); } static_always_inline void -crypto_free_cop (crypto_qp_data_t * qpd, struct rte_crypto_op **cops, u32 n) +crypto_enqueue_ops (vlib_main_t * vm, crypto_worker_main_t * cwm, u8 outbound, + u32 node_index, u32 error, u8 numa) { - u32 l = vec_len (qpd->free_cops); + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + crypto_resource_t *res; + u16 *res_idx; - if (l + n >= CRYPTO_N_FREE_COPS) + /* *INDENT-OFF* */ + vec_foreach (res_idx, cwm->resource_idx) { - l -= VLIB_FRAME_SIZE; - rte_mempool_put_bulk (cops[0]->mempool, - (void **) &qpd->free_cops[l], VLIB_FRAME_SIZE); - } - clib_memcpy (&qpd->free_cops[l], cops, sizeof (*cops) * n); + u16 enq; + res = vec_elt_at_index (dcm->resource, res_idx[0]); + + if (!res->n_ops) + continue; + + enq = rte_cryptodev_enqueue_burst (res->dev_id, res->qp_id + outbound, + res->ops, res->n_ops); + res->inflights[outbound] += enq; + + if (PREDICT_FALSE (enq < res->n_ops)) + { + crypto_free_ops (numa, &res->ops[enq], res->n_ops - enq); + vlib_buffer_free (vm, &res->bi[enq], res->n_ops - enq); - _vec_len (qpd->free_cops) = l + n; + vlib_node_increment_counter (vm, node_index, error, + res->n_ops - enq); + } + res->n_ops = 0; + } + /* *INDENT-ON* */ } -static_always_inline int -check_algo_is_supported (const struct rte_cryptodev_capabilities *cap, - char *name) +static_always_inline void +crypto_set_icb (dpdk_gcm_cnt_blk * icb, u32 salt, u32 seq, u32 seq_hi) { - struct - { - enum rte_crypto_sym_xform_type type; - union - { - enum rte_crypto_auth_algorithm auth; - enum rte_crypto_cipher_algorithm cipher; -#if ! DPDK_NO_AEAD - enum rte_crypto_aead_algorithm aead; -#endif - }; - char *name; - } supported_algo[] = - { - { - .type = RTE_CRYPTO_SYM_XFORM_CIPHER,.cipher = - RTE_CRYPTO_CIPHER_NULL,.name = "NULL"}, - { - .type = RTE_CRYPTO_SYM_XFORM_CIPHER,.cipher = - RTE_CRYPTO_CIPHER_AES_CBC,.name = "AES_CBC"}, + icb->salt = salt; + icb->iv[0] = seq; + icb->iv[1] = seq_hi; #if DPDK_NO_AEAD - { - .type = RTE_CRYPTO_SYM_XFORM_CIPHER,.cipher = - RTE_CRYPTO_CIPHER_AES_GCM,.name = "AES-GCM"}, -#else - { - .type = RTE_CRYPTO_SYM_XFORM_AEAD,.aead = - RTE_CRYPTO_AEAD_AES_GCM,.name = "AES-GCM"}, + icb->cnt = clib_host_to_net_u32 (1); #endif - { - .type = RTE_CRYPTO_SYM_XFORM_AUTH,.auth = - RTE_CRYPTO_AUTH_NULL,.name = "NULL"}, - { - .type = RTE_CRYPTO_SYM_XFORM_AUTH,.auth = - RTE_CRYPTO_AUTH_SHA1_HMAC,.name = "HMAC-SHA1"}, - { - .type = RTE_CRYPTO_SYM_XFORM_AUTH,.auth = - RTE_CRYPTO_AUTH_SHA256_HMAC,.name = "HMAC-SHA256"}, - { - .type = RTE_CRYPTO_SYM_XFORM_AUTH,.auth = - RTE_CRYPTO_AUTH_SHA384_HMAC,.name = "HMAC-SHA384"}, - { - .type = RTE_CRYPTO_SYM_XFORM_AUTH,.auth = - RTE_CRYPTO_AUTH_SHA512_HMAC,.name = "HMAC-SHA512"}, +} + +#define __unused __attribute__((unused)) +static_always_inline void +crypto_op_setup (u8 is_aead, struct rte_mbuf *mb0, + struct rte_crypto_op *op, void *session, + u32 cipher_off, u32 cipher_len, + u8 * icb __unused, u32 iv_size __unused, + u32 auth_off, u32 auth_len, + u8 * aad __unused, u32 aad_size __unused, + u8 * digest, u64 digest_paddr, u32 digest_size __unused) +{ + struct rte_crypto_sym_op *sym_op; + + sym_op = (struct rte_crypto_sym_op *) (op + 1); + + sym_op->m_src = mb0; + sym_op->session = session; + + if (!digest_paddr) + digest_paddr = mb0->buf_physaddr + ((u8 *) digest) - ((u8 *) mb0); + #if DPDK_NO_AEAD + sym_op->cipher.data.offset = cipher_off; + sym_op->cipher.data.length = cipher_len; + + sym_op->cipher.iv.data = icb; + sym_op->cipher.iv.phys_addr = + op->phys_addr + (uintptr_t) icb - (uintptr_t) op; + sym_op->cipher.iv.length = iv_size; + + if (is_aead) { - .type = RTE_CRYPTO_SYM_XFORM_AUTH,.auth = - RTE_CRYPTO_AUTH_AES_GCM,.name = "AES-GCM"}, -#endif + sym_op->auth.aad.data = aad; + sym_op->auth.aad.phys_addr = + op->phys_addr + (uintptr_t) aad - (uintptr_t) op; + sym_op->auth.aad.length = aad_size; + } + else { - /* tail */ - .type = RTE_CRYPTO_SYM_XFORM_NOT_SPECIFIED} - }; + sym_op->auth.data.offset = auth_off; + sym_op->auth.data.length = auth_len; + } - uint32_t i = 0; + sym_op->auth.digest.data = digest; + sym_op->auth.digest.phys_addr = digest_paddr; + sym_op->auth.digest.length = digest_size; +#else /* ! DPDK_NO_AEAD */ + if (is_aead) + { + sym_op->aead.data.offset = cipher_off; + sym_op->aead.data.length = cipher_len; - if (cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC) - return -1; + sym_op->aead.aad.data = aad; + sym_op->aead.aad.phys_addr = + op->phys_addr + (uintptr_t) aad - (uintptr_t) op; - while (supported_algo[i].type != RTE_CRYPTO_SYM_XFORM_NOT_SPECIFIED) - { - if (cap->sym.xform_type == supported_algo[i].type) - { - if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER && - cap->sym.cipher.algo == supported_algo[i].cipher) || -#if ! DPDK_NO_AEAD - (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD && - cap->sym.aead.algo == supported_algo[i].aead) || -#endif - (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH && - cap->sym.auth.algo == supported_algo[i].auth)) - { - if (name) - strcpy (name, supported_algo[i].name); - return 0; - } - } - - i++; + sym_op->aead.digest.data = digest; + sym_op->aead.digest.phys_addr = digest_paddr; } + else + { + sym_op->cipher.data.offset = cipher_off; + sym_op->cipher.data.length = cipher_len; - return -1; + sym_op->auth.data.offset = auth_off; + sym_op->auth.data.length = auth_len; + + sym_op->auth.digest.data = digest; + sym_op->auth.digest.phys_addr = digest_paddr; + } +#endif /* DPDK_NO_AEAD */ } +#undef __unused + #endif /* __DPDK_IPSEC_H__ */ /* |