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[94.196.228.157]) by smtp.gmail.com with ESMTPSA id t15-20020a5d42cf000000b00228c483128dsm4654460wrr.90.2022.09.28.04.04.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Sep 2022 04:04:02 -0700 (PDT) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com Subject: [PATCH liburing 1/1] liburing: add more zc helpers Date: Wed, 28 Sep 2022 12:02:58 +0100 Message-Id: <25a5e4ff7c480cf5c68be2e223a2fa9787ee6283.1664361932.git.asml.silence@gmail.com> X-Mailer: git-send-email 2.37.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Add a helper for zc sendmsg and also for zc send with registered buffers (aka fixed). Signed-off-by: Pavel Begunkov --- src/include/liburing.h | 19 +++++++++++++++++++ test/send-zerocopy.c | 3 +-- 2 files changed, 20 insertions(+), 2 deletions(-) diff --git a/src/include/liburing.h b/src/include/liburing.h index 902f26a..1d04923 100644 --- a/src/include/liburing.h +++ b/src/include/liburing.h @@ -746,6 +746,25 @@ static inline void io_uring_prep_send_zc(struct io_uring_sqe *sqe, int sockfd, sqe->ioprio = zc_flags; } +static inline void io_uring_prep_send_zc_fixed(struct io_uring_sqe *sqe, + int sockfd, const void *buf, + size_t len, int flags, + unsigned zc_flags, + unsigned buf_index) +{ + io_uring_prep_send_zc(sqe, sockfd, buf, len, flags, zc_flags); + sqe->ioprio |= IORING_RECVSEND_FIXED_BUF; + sqe->buf_index = buf_index; +} + +static inline void io_uring_prep_sendmsg_zc(struct io_uring_sqe *sqe, int fd, + const struct msghdr *msg, + unsigned flags) +{ + io_uring_prep_sendmsg(sqe, fd, msg, flags); + sqe->opcode = IORING_OP_SENDMSG_ZC; +} + static inline void io_uring_prep_send_set_addr(struct io_uring_sqe *sqe, const struct sockaddr *dest_addr, __u16 addr_len) diff --git a/test/send-zerocopy.c b/test/send-zerocopy.c index 88578e0..31d66e3 100644 --- a/test/send-zerocopy.c +++ b/test/send-zerocopy.c @@ -301,8 +301,7 @@ 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 *)addr, addr_len); } else { - io_uring_prep_sendmsg(sqe, sock_client, &msghdr[i], msg_flags); - sqe->opcode = IORING_OP_SENDMSG_ZC; + io_uring_prep_sendmsg_zc(sqe, sock_client, &msghdr[i], msg_flags); memset(&msghdr[i], 0, sizeof(msghdr[i])); iov[i].iov_len = cur_size; -- 2.37.2