From patchwork Sat May 27 08:58:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anoob Joseph X-Patchwork-Id: 127607 X-Patchwork-Delegate: gakhil@marvell.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 24C2442BB3; Sat, 27 May 2023 11:53:59 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 1272442D32; Sat, 27 May 2023 11:53:59 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by mails.dpdk.org (Postfix) with ESMTP id 7358541141 for ; Sat, 27 May 2023 11:53:57 +0200 (CEST) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 34R9jcXW017715; Sat, 27 May 2023 02:53:56 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=Y2R/3w1whBgnnivM4BkIGMKyEXpW6DFgl8L9b7VjOyA=; b=KrTv1yT4uky2pQAUvdfyMcmVdMvL1lSZTy+HtcgL/G+YYLH1kMrYBwbI/d3GYiPHA347 S9tFfOIB5LxUN4i8p0kSWrMxmNLGIR8XPchPithWutHBss/CyreGLu6RbnJWPCNgIt1W UOzqWsiUonO4npJiUvg2Orc5xVuMtqxjt3m5aRLCfUzP4Sh6zgWJWTgImuvPa4yuvBu8 64ouAvcTernwmv7tPuuf/PVSeXCLPgqcTvmyP7lOOzW1uEob/6rO/a+2DkXWZDs4n8ML l6r1Dc4aY5rd046GxPjMopbgf0m4hUTqZd4qGip2cLXN3/yZ8ehOB15FEXYHXpKWGbLH Jg== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3quaj6rkm1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Sat, 27 May 2023 02:53:56 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Sat, 27 May 2023 02:53:54 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Sat, 27 May 2023 02:53:54 -0700 Received: from BG-LT92004.corp.innovium.com (unknown [10.193.65.175]) by maili.marvell.com (Postfix) with ESMTP id 4074B5E72DD; Sat, 27 May 2023 01:59:58 -0700 (PDT) From: Anoob Joseph To: Thomas Monjalon , Akhil Goyal , Jerin Jacob , Konstantin Ananyev CC: Volodymyr Fialko , Hemant Agrawal , =?utf-8?q?Mattias_R=C3=B6nnblom?= , Kiran Kumar K , , Olivier Matz , Stephen Hemminger Subject: [PATCH v5 10/21] test/pdcp: pdcp HFN tests in combined mode Date: Sat, 27 May 2023 14:28:59 +0530 Message-ID: <20230527085910.972-11-anoobj@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230527085910.972-1-anoobj@marvell.com> References: <20230526210214.617-1-anoobj@marvell.com> <20230527085910.972-1-anoobj@marvell.com> MIME-Version: 1.0 X-Proofpoint-GUID: 69iFD6UwjI-4f8cO7LFTkgXLxOuCsyVq X-Proofpoint-ORIG-GUID: 69iFD6UwjI-4f8cO7LFTkgXLxOuCsyVq X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-05-27_06,2023-05-25_03,2023-05-22_02 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Volodymyr Fialko Add tests to verify HFN/SN behaviour. Signed-off-by: Anoob Joseph Signed-off-by: Volodymyr Fialko --- app/test/test_pdcp.c | 302 ++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 299 insertions(+), 3 deletions(-) diff --git a/app/test/test_pdcp.c b/app/test/test_pdcp.c index 34b759eaef..cfe2ec6aa9 100644 --- a/app/test/test_pdcp.c +++ b/app/test/test_pdcp.c @@ -16,6 +16,9 @@ #define NB_TESTS RTE_DIM(pdcp_test_params) #define PDCP_IV_LEN 16 +/* According to formula(7.2.a Window_Size) */ +#define PDCP_WINDOW_SIZE(sn_size) (1 << (sn_size - 1)) + struct pdcp_testsuite_params { struct rte_mempool *mbuf_pool; struct rte_mempool *cop_pool; @@ -36,12 +39,69 @@ struct pdcp_test_conf { uint32_t output_len; }; +static int create_test_conf_from_index(const int index, struct pdcp_test_conf *conf); + +typedef int (*test_with_conf_t)(struct pdcp_test_conf *conf); + +static int +run_test_foreach_known_vec(test_with_conf_t test, bool stop_on_first_pass) +{ + struct pdcp_test_conf test_conf; + bool all_tests_skipped = true; + uint32_t i; + int ret; + + for (i = 0; i < NB_TESTS; i++) { + create_test_conf_from_index(i, &test_conf); + ret = test(&test_conf); + + if (ret == TEST_FAILED) { + printf("[%03i] - %s - failed\n", i, pdcp_test_params[i].name); + return TEST_FAILED; + } + + if ((ret == TEST_SKIPPED) || (ret == -ENOTSUP)) + continue; + + if (stop_on_first_pass) + return TEST_SUCCESS; + + all_tests_skipped = false; + } + + if (all_tests_skipped) + return TEST_SKIPPED; + + return TEST_SUCCESS; +} + +static int +run_test_with_all_known_vec(const void *args) +{ + test_with_conf_t test = args; + + return run_test_foreach_known_vec(test, false); +} + static inline int pdcp_hdr_size_get(enum rte_security_pdcp_sn_size sn_size) { return RTE_ALIGN_MUL_CEIL(sn_size, 8) / 8; } +static int +pktmbuf_read_into(const struct rte_mbuf *m, void *buf, size_t buf_len) +{ + if (m->pkt_len > buf_len) + return -ENOMEM; + + const void *read = rte_pktmbuf_read(m, 0, m->pkt_len, buf); + if (read != NULL && read != buf) + memcpy(buf, read, m->pkt_len); + + return 0; +} + static int cryptodev_init(int dev_id) { @@ -326,6 +386,21 @@ pdcp_sn_from_raw_get(const void *data, enum rte_security_pdcp_sn_size size) return sn; } +static void +pdcp_sn_to_raw_set(void *data, uint32_t sn, int size) +{ + if (size == RTE_SECURITY_PDCP_SN_SIZE_12) { + struct rte_pdcp_up_data_pdu_sn_12_hdr *pdu_hdr = data; + pdu_hdr->sn_11_8 = ((sn & 0xf00) >> 8); + pdu_hdr->sn_7_0 = (sn & 0xff); + } else if (size == RTE_SECURITY_PDCP_SN_SIZE_18) { + struct rte_pdcp_up_data_pdu_sn_18_hdr *pdu_hdr = data; + pdu_hdr->sn_17_16 = ((sn & 0x30000) >> 16); + pdu_hdr->sn_15_8 = ((sn & 0xff00) >> 8); + pdu_hdr->sn_7_0 = (sn & 0xff); + } +} + static int create_test_conf_from_index(const int index, struct pdcp_test_conf *conf) { @@ -648,9 +723,17 @@ test_attempt_single(struct pdcp_test_conf *t_conf) goto mbuf_free; } - ret = pdcp_known_vec_verify(mbuf, t_conf->output, t_conf->output_len); - if (ret) - goto mbuf_free; + /* If expected output provided - verify, else - store for future use */ + if (t_conf->output_len) { + ret = pdcp_known_vec_verify(mbuf, t_conf->output, t_conf->output_len); + if (ret) + goto mbuf_free; + } else { + ret = pktmbuf_read_into(mbuf, t_conf->output, RTE_PDCP_CTRL_PDU_SIZE_MAX); + if (ret) + goto mbuf_free; + t_conf->output_len = mbuf->pkt_len; + } ret = rte_pdcp_entity_suspend(pdcp_entity, out_mb); if (ret) { @@ -667,6 +750,193 @@ test_attempt_single(struct pdcp_test_conf *t_conf) return ret; } +static void +uplink_to_downlink_convert(const struct pdcp_test_conf *ul_cfg, + struct pdcp_test_conf *dl_cfg) +{ + assert(ul_cfg->entity.pdcp_xfrm.pkt_dir == RTE_SECURITY_PDCP_UPLINK); + + memcpy(dl_cfg, ul_cfg, sizeof(*dl_cfg)); + dl_cfg->entity.pdcp_xfrm.pkt_dir = RTE_SECURITY_PDCP_DOWNLINK; + dl_cfg->entity.reverse_iv_direction = false; + + if (dl_cfg->is_integrity_protected) { + dl_cfg->entity.crypto_xfrm = &dl_cfg->c_xfrm; + + dl_cfg->c_xfrm.cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT; + dl_cfg->c_xfrm.next = &dl_cfg->a_xfrm; + + dl_cfg->a_xfrm.auth.op = RTE_CRYPTO_AUTH_OP_VERIFY; + dl_cfg->a_xfrm.next = NULL; + } else { + dl_cfg->entity.crypto_xfrm = &dl_cfg->c_xfrm; + dl_cfg->c_xfrm.next = NULL; + dl_cfg->c_xfrm.cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT; + } + + dl_cfg->entity.dev_id = (uint8_t)cryptodev_id_get(dl_cfg->is_integrity_protected, + &dl_cfg->c_xfrm, &dl_cfg->a_xfrm); + + memcpy(dl_cfg->input, ul_cfg->output, ul_cfg->output_len); + dl_cfg->input_len = ul_cfg->output_len; + + memcpy(dl_cfg->output, ul_cfg->input, ul_cfg->input_len); + dl_cfg->output_len = ul_cfg->input_len; +} + +/* + * According to ETSI TS 138 323 V17.1.0, Section 5.2.2.1, + * SN could be divided into following ranges, + * relatively to current value of RX_DELIV state: + * +-------------+-------------+-------------+-------------+ + * | -Outside | -Window | +Window | +Outside | + * | (valid) | (Invalid) | (Valid) | (Invalid) | + * +-------------+-------------^-------------+-------------+ + * | + * v + * SN(RX_DELIV) + */ +enum sn_range_type { + SN_RANGE_MINUS_OUTSIDE, + SN_RANGE_MINUS_WINDOW, + SN_RANGE_PLUS_WINDOW, + SN_RANGE_PLUS_OUTSIDE, +}; + +#define PDCP_SET_COUNT(hfn, sn, size) ((hfn << size) | (sn & ((1 << size) - 1))) + +/* + * Take uplink test case as base, modify RX_DELIV in state and SN in input + */ +static int +test_sn_range_type(enum sn_range_type type, struct pdcp_test_conf *conf) +{ + uint32_t rx_deliv_hfn, rx_deliv_sn, new_hfn, new_sn; + const int domain = conf->entity.pdcp_xfrm.domain; + struct pdcp_test_conf dl_conf; + int ret, expected_ret; + + if (conf->entity.pdcp_xfrm.pkt_dir == RTE_SECURITY_PDCP_DOWNLINK) + return TEST_SKIPPED; + + if (domain != RTE_SECURITY_PDCP_MODE_CONTROL && domain != RTE_SECURITY_PDCP_MODE_DATA) + return TEST_SKIPPED; + + const uint32_t sn_size = conf->entity.pdcp_xfrm.sn_size; + const uint32_t window_size = PDCP_WINDOW_SIZE(sn_size); + /* Max value of SN that could fit in `sn_size` bits */ + const uint32_t max_sn = (1 << sn_size) - 1; + const uint32_t shift = (max_sn - window_size) / 2; + /* Could be any number up to `shift` value */ + const uint32_t default_sn = RTE_MIN(2u, shift); + + /* Initialize HFN as non zero value, to be able check values before */ + rx_deliv_hfn = 0xa; + + switch (type) { + case SN_RANGE_PLUS_WINDOW: + /* Within window size, HFN stay same */ + new_hfn = rx_deliv_hfn; + rx_deliv_sn = default_sn; + new_sn = rx_deliv_sn + 1; + expected_ret = TEST_SUCCESS; + break; + case SN_RANGE_MINUS_WINDOW: + /* Within window size, HFN stay same */ + new_hfn = rx_deliv_hfn; + rx_deliv_sn = default_sn; + new_sn = rx_deliv_sn - 1; + expected_ret = TEST_FAILED; + break; + case SN_RANGE_PLUS_OUTSIDE: + /* RCVD_SN >= SN(RX_DELIV) + Window_Size */ + new_hfn = rx_deliv_hfn - 1; + rx_deliv_sn = default_sn; + new_sn = rx_deliv_sn + window_size; + expected_ret = TEST_FAILED; + break; + case SN_RANGE_MINUS_OUTSIDE: + /* RCVD_SN < SN(RX_DELIV) - Window_Size */ + new_hfn = rx_deliv_hfn + 1; + rx_deliv_sn = window_size + default_sn; + new_sn = rx_deliv_sn - window_size - 1; + expected_ret = TEST_SUCCESS; + break; + default: + return TEST_FAILED; + } + + /* Configure Uplink to generate expected, encrypted packet */ + pdcp_sn_to_raw_set(conf->input, new_sn, conf->entity.pdcp_xfrm.sn_size); + conf->entity.reverse_iv_direction = true; + conf->entity.pdcp_xfrm.hfn = new_hfn; + conf->entity.sn = new_sn; + conf->output_len = 0; + ret = test_attempt_single(conf); + if (ret != TEST_SUCCESS) + return ret; + + /* Flip configuration to downlink */ + uplink_to_downlink_convert(conf, &dl_conf); + + /* Modify the rx_deliv to verify the expected behaviour */ + dl_conf.entity.pdcp_xfrm.hfn = rx_deliv_hfn; + dl_conf.entity.sn = rx_deliv_sn; + ret = test_attempt_single(&dl_conf); + if ((ret == TEST_SKIPPED) || (ret == -ENOTSUP)) + return ret; + + TEST_ASSERT_EQUAL(ret, expected_ret, "Unexpected result"); + + return TEST_SUCCESS; +} + +static int +test_sn_plus_window(struct pdcp_test_conf *t_conf) +{ + return test_sn_range_type(SN_RANGE_PLUS_WINDOW, t_conf); +} + +static int +test_sn_minus_window(struct pdcp_test_conf *t_conf) +{ + return test_sn_range_type(SN_RANGE_MINUS_WINDOW, t_conf); +} + +static int +test_sn_plus_outside(struct pdcp_test_conf *t_conf) +{ + return test_sn_range_type(SN_RANGE_PLUS_OUTSIDE, t_conf); +} + +static int +test_sn_minus_outside(struct pdcp_test_conf *t_conf) +{ + return test_sn_range_type(SN_RANGE_MINUS_OUTSIDE, t_conf); +} + +static int +test_combined(struct pdcp_test_conf *ul_conf) +{ + struct pdcp_test_conf dl_conf; + int ret; + + if (ul_conf->entity.pdcp_xfrm.pkt_dir == RTE_SECURITY_PDCP_DOWNLINK) + return TEST_SKIPPED; + + ul_conf->entity.reverse_iv_direction = true; + ul_conf->output_len = 0; + + ret = test_attempt_single(ul_conf); + if (ret != TEST_SUCCESS) + return ret; + + uplink_to_downlink_convert(ul_conf, &dl_conf); + ret = test_attempt_single(&dl_conf); + + return ret; +} + static int run_test_for_one_known_vec(const void *arg) { @@ -677,8 +947,34 @@ run_test_for_one_known_vec(const void *arg) return test_attempt_single(&test_conf); } +static struct unit_test_suite combined_mode_cases = { + .suite_name = "PDCP combined mode", + .unit_test_cases = { + TEST_CASE_NAMED_WITH_DATA("combined mode", ut_setup_pdcp, ut_teardown_pdcp, + run_test_with_all_known_vec, test_combined), + TEST_CASES_END() /**< NULL terminate unit test array */ + } +}; + +static struct unit_test_suite hfn_sn_test_cases = { + .suite_name = "PDCP HFN/SN", + .unit_test_cases = { + TEST_CASE_NAMED_WITH_DATA("SN plus window", ut_setup_pdcp, ut_teardown_pdcp, + run_test_with_all_known_vec, test_sn_plus_window), + TEST_CASE_NAMED_WITH_DATA("SN minus window", ut_setup_pdcp, ut_teardown_pdcp, + run_test_with_all_known_vec, test_sn_minus_window), + TEST_CASE_NAMED_WITH_DATA("SN plus outside", ut_setup_pdcp, ut_teardown_pdcp, + run_test_with_all_known_vec, test_sn_plus_outside), + TEST_CASE_NAMED_WITH_DATA("SN minus outside", ut_setup_pdcp, ut_teardown_pdcp, + run_test_with_all_known_vec, test_sn_minus_outside), + TEST_CASES_END() /**< NULL terminate unit test array */ + } +}; + struct unit_test_suite *test_suites[] = { NULL, /* Place holder for known_vector_cases */ + &combined_mode_cases, + &hfn_sn_test_cases, NULL /* End of suites list */ };