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[46.59.47.246]) by smtp.gmail.com with ESMTPSA id r12sm21530843wrv.96.2021.09.01.03.48.13 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 01 Sep 2021 03:48:14 -0700 (PDT) From: Magnus Karlsson To: magnus.karlsson@intel.com, bjorn@kernel.org, ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org, maciej.fijalkowski@intel.com Cc: jonathan.lemon@gmail.com, ciara.loftus@intel.com, bpf@vger.kernel.org, yhs@fb.com, andrii@kernel.org Subject: [PATCH bpf-next 11/20] selftests: xsk: specify number of sockets to create Date: Wed, 1 Sep 2021 12:47:23 +0200 Message-Id: <20210901104732.10956-12-magnus.karlsson@gmail.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20210901104732.10956-1-magnus.karlsson@gmail.com> References: <20210901104732.10956-1-magnus.karlsson@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org From: Magnus Karlsson Add the ability in the test specification to specify numbers of sockets to create. The default is one socket. This is then used to remove test specific if-statements around the bpf_res tests. Signed-off-by: Magnus Karlsson --- tools/testing/selftests/bpf/xdpxceiver.c | 59 +++++++++++------------- tools/testing/selftests/bpf/xdpxceiver.h | 2 +- 2 files changed, 27 insertions(+), 34 deletions(-) diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c index 0a3e28c9e2a9..06fa767191af 100644 --- a/tools/testing/selftests/bpf/xdpxceiver.c +++ b/tools/testing/selftests/bpf/xdpxceiver.c @@ -231,7 +231,7 @@ static void gen_udp_csum(struct udphdr *udp_hdr, struct iphdr *ip_hdr) udp_csum(ip_hdr->saddr, ip_hdr->daddr, UDP_PKT_SIZE, IPPROTO_UDP, (u16 *)udp_hdr); } -static int xsk_configure_umem(struct xsk_umem_info *umem, void *buffer, u64 size, int idx) +static int xsk_configure_umem(struct xsk_umem_info *umem, void *buffer, u64 size) { struct xsk_umem_config cfg = { .fill_size = XSK_RING_PROD__DEFAULT_NUM_DESCS, @@ -410,6 +410,7 @@ static void __test_spec_init(struct test_spec *test, struct ifobject *ifobj_tx, test->ifobj_rx = ifobj_rx; test->current_step = 0; test->total_steps = 1; + test->nb_sockets = 1; } static void test_spec_init(struct test_spec *test, struct ifobject *ifobj_tx, @@ -770,46 +771,37 @@ static void tx_stats_validate(struct ifobject *ifobject) static void thread_common_ops(struct test_spec *test, struct ifobject *ifobject) { - u64 umem_sz = ifobject->umem->num_frames * ifobject->umem->frame_size; - int mmap_flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE; - size_t mmap_sz = umem_sz; - int ctr = 0, ret; - void *bufs; + u32 i; ifobject->ns_fd = switch_namespace(ifobject->nsname); - if (test_type == TEST_TYPE_BPF_RES) - mmap_sz *= 2; - - bufs = mmap(NULL, mmap_sz, PROT_READ | PROT_WRITE, mmap_flags, -1, 0); - if (bufs == MAP_FAILED) - exit_with_error(errno); + for (i = 0; i < test->nb_sockets; i++) { + u64 umem_sz = ifobject->umem->num_frames * ifobject->umem->frame_size; + int mmap_flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE; + u32 ctr = 0; + void *bufs; - while (ctr++ < SOCK_RECONF_CTR) { - ret = xsk_configure_umem(&ifobject->umem_arr[0], bufs, umem_sz, 0); - if (ret) - exit_with_error(-ret); + bufs = mmap(NULL, umem_sz, PROT_READ | PROT_WRITE, mmap_flags, -1, 0); + if (bufs == MAP_FAILED) + exit_with_error(errno); - ret = xsk_configure_socket(&ifobject->xsk_arr[0], &ifobject->umem_arr[0], - ifobject, 0); - if (!ret) - break; + while (ctr++ < SOCK_RECONF_CTR) { + int ret; - /* Retry Create Socket if it fails as xsk_socket__create() is asynchronous */ - if (ctr >= SOCK_RECONF_CTR) - exit_with_error(-ret); - usleep(USLEEP_MAX); - } + ret = xsk_configure_umem(&ifobject->umem_arr[i], bufs, umem_sz); + if (ret) + exit_with_error(-ret); - if (test_type == TEST_TYPE_BPF_RES) { - ret = xsk_configure_umem(&ifobject->umem_arr[1], (u8 *)bufs + umem_sz, umem_sz, 1); - if (ret) - exit_with_error(-ret); + ret = xsk_configure_socket(&ifobject->xsk_arr[i], &ifobject->umem_arr[i], + ifobject, i); + if (!ret) + break; - ret = xsk_configure_socket(&ifobject->xsk_arr[1], &ifobject->umem_arr[1], - ifobject, 1); - if (ret) - exit_with_error(-ret); + /* Retry if it fails as xsk_socket__create() is asynchronous */ + if (ctr >= SOCK_RECONF_CTR) + exit_with_error(-ret); + usleep(USLEEP_MAX); + } } ifobject->umem = &ifobject->umem_arr[0]; @@ -959,6 +951,7 @@ static void testapp_bpf_res(struct test_spec *test) { test_spec_set_name(test, "BPF_RES"); test->total_steps = 2; + test->nb_sockets = 2; testapp_validate_traffic(test); swap_xsk_resources(test->ifobj_tx, test->ifobj_rx); diff --git a/tools/testing/selftests/bpf/xdpxceiver.h b/tools/testing/selftests/bpf/xdpxceiver.h index ea505a4cb8c0..c09b73fd9878 100644 --- a/tools/testing/selftests/bpf/xdpxceiver.h +++ b/tools/testing/selftests/bpf/xdpxceiver.h @@ -24,7 +24,6 @@ #define MAX_SOCKETS 2 #define MAX_TEST_NAME_SIZE 32 #define MAX_TEARDOWN_ITER 10 -#define MAX_BPF_ITER 2 #define PKT_HDR_SIZE (sizeof(struct ethhdr) + sizeof(struct iphdr) + \ sizeof(struct udphdr)) #define MIN_PKT_SIZE 64 @@ -137,6 +136,7 @@ struct test_spec { struct ifobject *ifobj_rx; u16 total_steps; u16 current_step; + u16 nb_sockets; char name[MAX_TEST_NAME_SIZE]; }; -- 2.29.0