From patchwork Tue Mar 31 16:07:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aaron Conole X-Patchwork-Id: 67494 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 8C6B3A0562; Tue, 31 Mar 2020 18:08:15 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 408C31C0B1; Tue, 31 Mar 2020 18:07:43 +0200 (CEST) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) by dpdk.org (Postfix) with ESMTP id 9E0AF1C045 for ; Tue, 31 Mar 2020 18:07:41 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1585670860; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=X11+awDsvuU4cgmwwqfiSvJZ8ZCtCp9NfmcV+28aq9A=; b=NscfkHT4t4lV8ZKIbgUNxINAJEyZ253tU5JNY+3RcUSjNfeeA4CvAvnRfBnIwg8OpFZj7V RQT/1kX/wfViK9VVGDk9n0MnEX/M1XGB1YWe0DWe+1ZGp1OCFabTVGY50DJQKd+irihNSC hh4QVFMX0v7/9nZOp8qLGwJMKw+jnt4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-273-x-AP-ufBMciyRVFuUAWRyg-1; Tue, 31 Mar 2020 12:07:39 -0400 X-MC-Unique: x-AP-ufBMciyRVFuUAWRyg-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9A665800D53; Tue, 31 Mar 2020 16:07:37 +0000 (UTC) Received: from dhcp-25.97.bos.redhat.com (ovpn-116-136.phx2.redhat.com [10.3.116.136]) by smtp.corp.redhat.com (Postfix) with ESMTP id 04B8496B8F; Tue, 31 Mar 2020 16:07:35 +0000 (UTC) From: Aaron Conole To: dev@dpdk.org Cc: Konstantin Ananyev , Sunil Kumar Kori , Allain Legacy , Anatoly Burakov , Chas Williams , Piotr Azarewicz , Bruce Richardson , David Marchand Date: Tue, 31 Mar 2020 12:07:14 -0400 Message-Id: <20200331160714.697790-5-aconole@redhat.com> In-Reply-To: <20200331160714.697790-1-aconole@redhat.com> References: <20200331160714.697790-1-aconole@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Subject: [dpdk-dev] [PATCH 4/4] ipfrag: add unit test case X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Initial IP fragmentation unit test. Signed-off-by: Aaron Conole --- MAINTAINERS | 1 + app/test/meson.build | 2 + app/test/test_ipfrag.c | 276 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 279 insertions(+) create mode 100644 app/test/test_ipfrag.c diff --git a/MAINTAINERS b/MAINTAINERS index 4800f6884a..c81f07ac9c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1230,6 +1230,7 @@ F: app/test/test_crc.c IP fragmentation & reassembly M: Konstantin Ananyev F: lib/librte_ip_frag/ +F: app/test/test_ipfrag.c F: doc/guides/prog_guide/ip_fragment_reassembly_lib.rst F: examples/ip_fragmentation/ F: doc/guides/sample_app_ug/ip_frag.rst diff --git a/app/test/meson.build b/app/test/meson.build index 351d29cb65..c2b07fa62f 100644 --- a/app/test/meson.build +++ b/app/test/meson.build @@ -58,6 +58,7 @@ test_sources = files('commands.c', 'test_hash_perf.c', 'test_hash_readwrite_lf_perf.c', 'test_interrupts.c', + 'test_ipfrag.c', 'test_ipsec.c', 'test_ipsec_sad.c', 'test_kni.c', @@ -187,6 +188,7 @@ fast_tests = [ ['flow_classify_autotest', false], ['hash_autotest', true], ['interrupt_autotest', true], + ['ipfrag_autotest', false], ['logs_autotest', true], ['lpm_autotest', true], ['lpm6_autotest', true], diff --git a/app/test/test_ipfrag.c b/app/test/test_ipfrag.c new file mode 100644 index 0000000000..c881effe8b --- /dev/null +++ b/app/test/test_ipfrag.c @@ -0,0 +1,276 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2020 Red Hat, Inc. + */ + +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "test.h" + +#ifndef ARRAY_SIZE +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) +#endif + +static struct rte_mempool *pkt_pool, + *direct_pool, + *indirect_pool; + +static int +setup_buf_pool(void) +{ +#define NUM_MBUFS (128) +#define BURST 32 + + if (!pkt_pool) + pkt_pool = rte_pktmbuf_pool_create("FRAG_MBUF_POOL", + NUM_MBUFS, BURST, 0, + RTE_MBUF_DEFAULT_BUF_SIZE, + SOCKET_ID_ANY); + if (pkt_pool == NULL) { + printf("%s: Error creating pkt mempool\n", __func__); + goto bad_setup; + } + + if (!direct_pool) + direct_pool = rte_pktmbuf_pool_create("FRAG_D_MBUF_POOL", + NUM_MBUFS, BURST, 0, + RTE_MBUF_DEFAULT_BUF_SIZE, + SOCKET_ID_ANY); + if (!direct_pool) { + printf("%s: Error creating direct mempool\n", __func__); + goto bad_setup; + } + + if (!indirect_pool) + indirect_pool = rte_pktmbuf_pool_create("FRAG_I_MBUF_POOL", + NUM_MBUFS, BURST, 0, + 0, SOCKET_ID_ANY); + if (!indirect_pool) { + printf("%s: Error creating indirect mempool\n", __func__); + goto bad_setup; + } + + return 0; + +bad_setup: + if (pkt_pool) + rte_mempool_free(pkt_pool); + + if (direct_pool) + rte_mempool_free(direct_pool); + + return TEST_FAILED; +} + +static int testsuite_setup(void) +{ + if (setup_buf_pool()) + return TEST_FAILED; + return TEST_SUCCESS; +} + +static void testsuite_teardown(void) +{ + if (pkt_pool) + rte_mempool_free(pkt_pool); + + if (direct_pool) + rte_mempool_free(direct_pool); + + if (indirect_pool) + rte_mempool_free(indirect_pool); + + pkt_pool = NULL; +} + +static int ut_setup(void) +{ + return TEST_SUCCESS; +} + +static void ut_teardown(void) +{ +} + +static int +v4_allocate_packet_of(struct rte_mbuf *b, int fill, size_t s, int df, + uint8_t ttl, uint8_t proto, uint16_t pktid) +{ + /* Create a packet, 2k bytes long */ + b->data_off = 0; + char *data = rte_pktmbuf_mtod(b, char *); + + memset(data, fill, sizeof(struct rte_ipv4_hdr) + s); + + struct rte_ipv4_hdr *hdr = (struct rte_ipv4_hdr *)data; + + hdr->version_ihl = 0x45; /* standard IP header... */ + hdr->type_of_service = 0; + b->pkt_len = s + sizeof(struct rte_ipv4_hdr); + b->data_len = b->pkt_len; + hdr->total_length = htonl(b->pkt_len); + hdr->packet_id = htons(pktid); + hdr->fragment_offset = 0; + if (df) + hdr->fragment_offset = htons(0x4000); + + if (!ttl) + ttl = 64; /* default to 64 */ + + if (!proto) + proto = 1; /* icmp */ + + hdr->time_to_live = ttl; + hdr->next_proto_id = proto; + hdr->hdr_checksum = 0; + hdr->src_addr = htonl(0x8080808); + hdr->dst_addr = htonl(0x8080404); + + return 0; +} + +static int +v6_allocate_packet_of(struct rte_mbuf *b, int fill, size_t s, uint8_t ttl, + uint8_t proto, uint16_t pktid) +{ + /* Create a packet, 2k bytes long */ + b->data_off = 0; + char *data = rte_pktmbuf_mtod(b, char *); + + memset(data, fill, sizeof(struct rte_ipv6_hdr) + s); + + struct rte_ipv6_hdr *hdr = (struct rte_ipv6_hdr *)data; + b->pkt_len = s + sizeof(struct rte_ipv6_hdr); + b->data_len = b->pkt_len; + + /* basic v6 header */ + hdr->vtc_flow = htonl(0x60 << 24 | pktid); + hdr->payload_len = htons(b->pkt_len); + hdr->proto = proto; + hdr->hop_limits = ttl; + + memset(hdr->src_addr, 0x08, sizeof(hdr->src_addr)); + memset(hdr->dst_addr, 0x04, sizeof(hdr->src_addr)); + + return 0; +} + +static inline void +test_free_fragments(struct rte_mbuf *mb[], uint32_t num) +{ + uint32_t i; + for (i = 0; i < num; i++) + rte_pktmbuf_free(mb[i]); +} + +static int +test_ip_frag(void) +{ + int result = TEST_SUCCESS; + + struct test_ip_frags { + int ipv; + size_t mtu_size; + size_t pkt_size; + int set_df; + int ttl; + uint8_t proto; + int pkt_id; + int expected_frags; + } tests[] = { + {4, 1280, 1400, 0, 64, IPPROTO_ICMP, -1, 2}, + {4, 1280, 1400, 0, 64, IPPROTO_ICMP, 0, 2}, + {4, 600, 1400, 0, 64, IPPROTO_ICMP, -1, 3}, + {4, 4, 1400, 0, 64, IPPROTO_ICMP, -1, -EINVAL}, + {4, 600, 1400, 1, 64, IPPROTO_ICMP, -1, -ENOTSUP}, + {4, 600, 1400, 0, 0, IPPROTO_ICMP, -1, 3}, + + {6, 1280, 1400, 0, 64, IPPROTO_ICMP, -1, 2}, + {6, 1300, 1400, 0, 64, IPPROTO_ICMP, -1, 2}, + {6, 4, 1400, 0, 64, IPPROTO_ICMP, -1, -EINVAL}, + {6, 1300, 1400, 0, 0, IPPROTO_ICMP, -1, 2}, + {6, 1280, 1400, 0, 64, IPPROTO_FRAGMENT, -1, -ENOTSUP}, + }; + + for (size_t i = 0; i < ARRAY_SIZE(tests); i++) { + int32_t len; + uint16_t pktid; + struct rte_mbuf *pkts_out[BURST]; + struct rte_mbuf *b = rte_pktmbuf_alloc(pkt_pool); + + if (!b) + return TEST_FAILED; /* Serious error.. abort here */ + + if (tests[i].pkt_id == -1) + pktid = rte_rand_max(UINT16_MAX); + + if (tests[i].ipv == 4) { + if (v4_allocate_packet_of(b, 0x41414141, + tests[i].pkt_size, + tests[i].set_df, + tests[i].ttl, + tests[i].proto, + pktid)) + result = TEST_FAILED; + } else if (tests[i].ipv == 6) { + if (v6_allocate_packet_of(b, 0x41414141, + tests[i].pkt_size, + tests[i].ttl, + tests[i].proto, + pktid)) + result = TEST_FAILED; + } + + if (tests[i].ipv == 4) + len = rte_ipv4_fragment_packet(b, pkts_out, BURST, + tests[i].mtu_size, + direct_pool, + indirect_pool); + else + len = rte_ipv6_fragment_packet(b, pkts_out, BURST, + tests[i].mtu_size, + direct_pool, + indirect_pool); + + rte_pktmbuf_free(b); + + if (len > 0) + test_free_fragments(pkts_out, len); + + printf("%d: checking %d with %d\n", (int)i, len, + (int)tests[i].expected_frags); + RTE_TEST_ASSERT_EQUAL(len, tests[i].expected_frags, + "Failed case %u\n", (unsigned int)i); + + } + + return result; +} + +static struct unit_test_suite ipfrag_testsuite = { + .suite_name = "IP Frag Unit Test Suite", + .setup = testsuite_setup, + .teardown = testsuite_teardown, + .unit_test_cases = { + TEST_CASE_ST(ut_setup, ut_teardown, + test_ip_frag), + + TEST_CASES_END() /**< NULL terminate unit test array */ + } +}; + +static int +test_ipfrag(void) +{ + return unit_test_suite_runner(&ipfrag_testsuite); +} + +REGISTER_TEST_COMMAND(ipfrag_autotest, test_ipfrag);