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[46.59.47.246]) by smtp.gmail.com with ESMTPSA id k16sm722941wrd.47.2021.09.07.00.19.54 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 07 Sep 2021 00:19:55 -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 v2 04/20] selftests: xsk: move num_frames and frame_headroom to xsk_umem_info Date: Tue, 7 Sep 2021 09:19:12 +0200 Message-Id: <20210907071928.9750-5-magnus.karlsson@gmail.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20210907071928.9750-1-magnus.karlsson@gmail.com> References: <20210907071928.9750-1-magnus.karlsson@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Magnus Karlsson Move the global variables num_frames and frame_headroom to struct xsk_umem_info. They describe properties of the umem so no reason for them to be global. Signed-off-by: Magnus Karlsson --- tools/testing/selftests/bpf/xdpxceiver.c | 20 ++++++++++---------- tools/testing/selftests/bpf/xdpxceiver.h | 4 ++-- 2 files changed, 12 insertions(+), 12 deletions(-) diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c index a6bcc7453860..56ee03fda2b3 100644 --- a/tools/testing/selftests/bpf/xdpxceiver.c +++ b/tools/testing/selftests/bpf/xdpxceiver.c @@ -241,7 +241,7 @@ static int xsk_configure_umem(struct xsk_umem_info *umem, void *buffer, u64 size .fill_size = XSK_RING_PROD__DEFAULT_NUM_DESCS, .comp_size = XSK_RING_CONS__DEFAULT_NUM_DESCS, .frame_size = XSK_UMEM__DEFAULT_FRAME_SIZE, - .frame_headroom = frame_headroom, + .frame_headroom = umem->frame_headroom, .flags = XSK_UMEM__DEFAULT_FLAGS }; int ret; @@ -406,6 +406,7 @@ static void __test_spec_init(struct test_spec *test, struct ifobject *ifobj_tx, for (j = 0; j < MAX_SOCKETS; j++) { memset(&ifobj->umem_arr[j], 0, sizeof(ifobj->umem_arr[j])); memset(&ifobj->xsk_arr[j], 0, sizeof(ifobj->xsk_arr[j])); + ifobj->umem_arr[j].num_frames = DEFAULT_PKT_CNT / 4; } } @@ -433,7 +434,7 @@ static struct pkt *pkt_stream_get_pkt(struct pkt_stream *pkt_stream, u32 pkt_nb) return &pkt_stream->pkts[pkt_nb]; } -static struct pkt_stream *pkt_stream_generate(u32 nb_pkts, u32 pkt_len) +static struct pkt_stream *pkt_stream_generate(struct xsk_umem_info *umem, u32 nb_pkts, u32 pkt_len) { struct pkt_stream *pkt_stream; u32 i; @@ -448,7 +449,7 @@ static struct pkt_stream *pkt_stream_generate(u32 nb_pkts, u32 pkt_len) pkt_stream->nb_pkts = nb_pkts; for (i = 0; i < nb_pkts; i++) { - pkt_stream->pkts[i].addr = (i % num_frames) * XSK_UMEM__DEFAULT_FRAME_SIZE; + pkt_stream->pkts[i].addr = (i % umem->num_frames) * XSK_UMEM__DEFAULT_FRAME_SIZE; pkt_stream->pkts[i].len = pkt_len; pkt_stream->pkts[i].payload = i; } @@ -766,7 +767,7 @@ static void tx_stats_validate(struct ifobject *ifobject) static void thread_common_ops(struct ifobject *ifobject, void *bufs) { - u64 umem_sz = num_frames * XSK_UMEM__DEFAULT_FRAME_SIZE; + u64 umem_sz = ifobject->umem->num_frames * XSK_UMEM__DEFAULT_FRAME_SIZE; int mmap_flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE; size_t mmap_sz = umem_sz; int ctr = 0, ret; @@ -885,9 +886,10 @@ static void testapp_validate_traffic(struct test_spec *test) exit_with_error(errno); if (stat_test_type == STAT_TEST_TX_INVALID) - pkt_stream = pkt_stream_generate(DEFAULT_PKT_CNT, XSK_UMEM__INVALID_FRAME_SIZE); + pkt_stream = pkt_stream_generate(test->ifobj_tx->umem, DEFAULT_PKT_CNT, + XSK_UMEM__INVALID_FRAME_SIZE); else - pkt_stream = pkt_stream_generate(DEFAULT_PKT_CNT, PKT_SIZE); + pkt_stream = pkt_stream_generate(test->ifobj_tx->umem, DEFAULT_PKT_CNT, PKT_SIZE); ifobj_tx->pkt_stream = pkt_stream; ifobj_rx->pkt_stream = pkt_stream; @@ -988,12 +990,11 @@ static void testapp_stats(struct test_spec *test) /* reset defaults */ rxqsize = XSK_RING_CONS__DEFAULT_NUM_DESCS; - frame_headroom = XSK_UMEM__DEFAULT_FRAME_HEADROOM; switch (stat_test_type) { case STAT_TEST_RX_DROPPED: - frame_headroom = XSK_UMEM__DEFAULT_FRAME_SIZE - - XDP_PACKET_HEADROOM - 1; + test->ifobj_rx->umem->frame_headroom = XSK_UMEM__DEFAULT_FRAME_SIZE - + XDP_PACKET_HEADROOM - 1; break; case STAT_TEST_RX_FULL: rxqsize = RX_FULL_RXQSIZE; @@ -1040,7 +1041,6 @@ static void run_pkt_test(struct test_spec *test, int mode, int type) second_step = 0; stat_test_type = -1; rxqsize = XSK_RING_CONS__DEFAULT_NUM_DESCS; - frame_headroom = XSK_UMEM__DEFAULT_FRAME_HEADROOM; configured_mode = mode; diff --git a/tools/testing/selftests/bpf/xdpxceiver.h b/tools/testing/selftests/bpf/xdpxceiver.h index e279aa893438..0d93a9e6c4f3 100644 --- a/tools/testing/selftests/bpf/xdpxceiver.h +++ b/tools/testing/selftests/bpf/xdpxceiver.h @@ -71,7 +71,6 @@ enum stat_test_type { static int configured_mode; static bool opt_pkt_dump; -static u32 num_frames = DEFAULT_PKT_CNT / 4; static bool second_step; static int test_type; @@ -81,12 +80,13 @@ static u32 xdp_flags = XDP_FLAGS_UPDATE_IF_NOEXIST; static u32 xdp_bind_flags = XDP_USE_NEED_WAKEUP | XDP_COPY; static int stat_test_type; static u32 rxqsize; -static u32 frame_headroom; struct xsk_umem_info { struct xsk_ring_prod fq; struct xsk_ring_cons cq; struct xsk_umem *umem; + u32 num_frames; + u32 frame_headroom; void *buffer; };