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[94.196.228.157]) by smtp.gmail.com with ESMTPSA id f14-20020a05600c4e8e00b003b47e75b401sm3284705wmq.37.2022.09.28.17.04.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Sep 2022 17:04:58 -0700 (PDT) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com Subject: [PATCH liburing 3/4] tests: add non-zc tests in send-zerocopy.c Date: Thu, 29 Sep 2022 01:03:51 +0100 Message-Id: X-Mailer: git-send-email 2.37.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org We don't have good tests for normal non-zerocopy paths. Add them to test_inet_send(), which covers lots of different cases. We can move it into send_recv.c or so later. Signed-off-by: Pavel Begunkov --- test/send-zerocopy.c | 29 +++++++++++++++++++++++++---- 1 file changed, 25 insertions(+), 4 deletions(-) diff --git a/test/send-zerocopy.c b/test/send-zerocopy.c index cdf71ea..b51f421 100644 --- a/test/send-zerocopy.c +++ b/test/send-zerocopy.c @@ -256,6 +256,7 @@ struct send_conf { bool force_async; bool use_sendmsg; bool tcp; + bool zc; int buf_index; struct sockaddr_storage *addr; }; @@ -300,8 +301,14 @@ static int do_test_inet_send(struct io_uring *ring, int sock_client, int sock_se sqe = io_uring_get_sqe(ring); if (!conf->use_sendmsg) { - io_uring_prep_send_zc(sqe, sock_client, buf + i * chunk_size, - cur_size, msg_flags, zc_flags); + if (conf->zc) { + io_uring_prep_send_zc(sqe, sock_client, buf + i * chunk_size, + cur_size, msg_flags, zc_flags); + } else { + io_uring_prep_send(sqe, sock_client, buf + i * chunk_size, + cur_size, msg_flags); + } + if (real_fixed_buf) { sqe->ioprio |= IORING_RECVSEND_FIXED_BUF; sqe->buf_index = conf->buf_index; @@ -310,7 +317,10 @@ static int do_test_inet_send(struct io_uring *ring, int sock_client, int sock_se io_uring_prep_send_set_addr(sqe, (const struct sockaddr *)conf->addr, addr_len); } else { - io_uring_prep_sendmsg_zc(sqe, sock_client, &msghdr[i], msg_flags); + if (conf->zc) + io_uring_prep_sendmsg_zc(sqe, sock_client, &msghdr[i], msg_flags); + else + io_uring_prep_sendmsg(sqe, sock_client, &msghdr[i], msg_flags); memset(&msghdr[i], 0, sizeof(msghdr[i])); iov[i].iov_len = cur_size; @@ -413,7 +423,7 @@ static int test_inet_send(struct io_uring *ring) return 1; } - for (i = 0; i < 256; i++) { + for (i = 0; i < 512; i++) { conf.buf_index = i & 3; conf.fixed_buf = i & 4; conf.addr = (i & 8) ? &addr : NULL; @@ -421,8 +431,19 @@ static int test_inet_send(struct io_uring *ring) conf.mix_register = i & 32; conf.force_async = i & 64; conf.use_sendmsg = i & 128; + conf.zc = i & 256; conf.tcp = tcp; + if (!conf.zc) { + if (conf.mix_register || conf.fixed_buf) + continue; + /* + * Non zerocopy send w/ addr was added together with sendmsg_zc, + * skip if we the kernel doesn't support it. + */ + if (conf.addr && !has_sendmsg) + continue; + } if (conf.buf_index == BUF_T_LARGE && !tcp) continue; if (!buffers_iov[conf.buf_index].iov_base) -- 2.37.2