From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f45.google.com (mail-wm1-f45.google.com [209.85.128.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 98F3332FA29 for ; Tue, 3 Mar 2026 12:32:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772541147; cv=none; b=utE4ausptBzvLrU2HPxkY5VYG5TnRNWULFBpQnv1JMPJhL8deppRPub/8yojK5Lz4l+lfhU+Z7P1wLrUwJuRapkD4t5hCCvtzBk66KeXoKkPcfWJSRSv0VTxj0Ut07WpM5U3JrlYt2+GbXTfE413orSXqEw6jId74OfCMvOXLKk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772541147; c=relaxed/simple; bh=jYx3QAd+51lSALhpqnMENhkD36+m+K3ERaraIU7f21s=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Hs308IHRA0I7ov2Y0cW1t/quCnXcHdMuuGx4LC2OHm7RqB6fsgUUjU9L5qeZxbjV74yACcEaNZG2Hujuk6uGNi3/w0/t/1+6evTvhIZL+cH+WbZTNdtiKpQGHZR/IC4a7vSCMt6dvfZbt4HKP6kBJRP8RwyAqcLyLXy1zDgKlwk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=dFhi6GGN; arc=none smtp.client-ip=209.85.128.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="dFhi6GGN" Received: by mail-wm1-f45.google.com with SMTP id 5b1f17b1804b1-48371119eacso69438215e9.2 for ; Tue, 03 Mar 2026 04:32:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1772541145; x=1773145945; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=69v1zzXRdVhWn/a60Ya5fAkzLXMfJlxuVkxsve457k4=; b=dFhi6GGNJ5h0ZGmyaDCddwH7X7KQF52ovnBJVTW5kewTqda7XHzWVWVgruVidxvw4m e8j0WK4iI6op7Po9ACxxL8ju7tokiYYR1JGLbzdqhKOFTtjNZBozZgSt1CiFS67RLVfg vHo7ilidTKUZwZxQBI4BRn++8y0HHhcMgaBxwV86bFmymJTAMuHLF5l96vI2mK45v5Ul ns8nvYCmx4LO6JgtDbJZgUNn1WMT8ngaxlPX/d0QYKXOx3eIN/YRYinQ16jgdvlqoT/o MmY6DDPg8f6zVpvluxae+xJBrcHQzEZyQ2OSTLksm31hGvWx89A7egDJo0dLY5Zyu54f yFQw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772541145; x=1773145945; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=69v1zzXRdVhWn/a60Ya5fAkzLXMfJlxuVkxsve457k4=; b=Aa0eUlK2Wr0a6ydRkH5BxjQM3VBaHgH7Hoh5zpkQhoUj+H2KNPANj2g+yazyIEQSrJ k/vS+9MQvXq6VtylZC5LtycWOQPy7CXoE8MjsnXPxJZSY0puVaMSWHSXcR5r7esRlXji kBbCHEcLEAZTrlgFUSksBFO7x1DimnFtMQnrM9gGHrDuU6rnh6+gD2JPxXCHJCZ4a+kw NKPlxN0th6gC7s3lZaAMSCWk5WJk+p+a0uTYmg0mOj2tVjSE/8TFDRnV54qpRmzT8TzB ZpKEixgyEBzJucE1LlisijGnpfG9ELEdDhZ1GAysuTvp8Xv6mqMsHNxFcl378fQghRkj Z6mA== X-Gm-Message-State: AOJu0Ywf+nI2xH4D6udfP5QhJokAPgmyJvqTk6abrBydSnHShhI6FKm8 thPiRRBzzT74LxctUp8xWgZci6dr32Q6rga67/NuC0MTGGy2pUmGq4pl8yIUlg== X-Gm-Gg: ATEYQzzNP0+RYWDPOAISmd7mVlfg5/tIQ1e9GTFvn4QVbnFbFXo4gJqNYeR6TZRVRDV dLPnft3qtenwPjkQF3r44SscHYJNGvpegrWV6jNJUfIGt7C0KJ94/ptuLs2zcQpdSzKSreOWWbR XGEK0mEcq9WBVas8QK0Y0aiWqvuK0K1spuunBxdV1haMWLb/2+/BtkPxuocSK1tBVDJefvlUfMl up/OVjG+qsI4gJZXzi09RuFWTQngZjB7358BFqS3bL01WujKbDJhGmVtHqTWCHm7c59sS1HNqUZ eiudkJAZl71pV2DXskaTcZtkh80I5vI2fV6DOHMWxRFvbysDLhmopt4tOHiZzoTHjh+r+gqtQTm XOPvg9K9BgBm2usineLNOZ7YVD5sa1NORGiQpAmwK3OsZ8PnL6zT+glVMr8Zlq48YQpmw0rQ+dH cJ9iRCmza6RTN15AOjcPTfvFsiarzNJgPuxwMLx42mHiU2ydXOF1O4xZfH/rm7ELWA6MYQWkSiI e80wG9toKSMD8fxdtPJg8FIMvpJ2Q== X-Received: by 2002:a05:600c:a16:b0:483:c35d:3662 with SMTP id 5b1f17b1804b1-483c9c0b96fmr269112815e9.18.1772541144038; Tue, 03 Mar 2026 04:32:24 -0800 (PST) Received: from 127.mynet ([2a01:4b00:bd21:4f00:7cc6:d3ca:494:116c]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-485135d0676sm18922765e9.29.2026.03.03.04.32.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2026 04:32:23 -0800 (PST) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: asml.silence@gmail.com, axboe@kernel.dk Subject: [PATCH 1/1] io_uring/net: allow vectorised regbuf send zc Date: Tue, 3 Mar 2026 12:32:19 +0000 Message-ID: X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Enable IORING_SEND_VECTORIZED with registered buffers for IORING_OP_SEND_ZC. Set IORING_SEND_VECTORIZED for all msg send requests to differentiate if the vectorised version is expected. Signed-off-by: Pavel Begunkov --- io_uring/net.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/io_uring/net.c b/io_uring/net.c index 3e6112beea88..3e68593e8164 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -375,10 +375,13 @@ static int io_send_setup(struct io_kiocb *req, const struct io_uring_sqe *sqe) kmsg->msg.msg_namelen = addr_len; } if (sr->flags & IORING_RECVSEND_FIXED_BUF) { - if (sr->flags & IORING_SEND_VECTORIZED) - return -EINVAL; - req->flags |= REQ_F_IMPORT_BUFFER; - return 0; + if (!(sr->flags & IORING_SEND_VECTORIZED)) { + req->flags |= REQ_F_IMPORT_BUFFER; + return 0; + } + + kmsg->msg.msg_iter.nr_segs = sr->len; + return io_prep_reg_iovec(req, &kmsg->vec, sr->buf, sr->len); } if (req->flags & REQ_F_BUFFER_SELECT) return 0; @@ -396,6 +399,7 @@ static int io_sendmsg_setup(struct io_kiocb *req, const struct io_uring_sqe *sqe struct user_msghdr msg; int ret; + sr->flags |= IORING_SEND_VECTORIZED; sr->umsg = u64_to_user_ptr(READ_ONCE(sqe->addr)); ret = io_msg_copy_hdr(req, kmsg, &msg, ITER_SOURCE, NULL); if (unlikely(ret)) @@ -1453,7 +1457,7 @@ static int io_send_zc_import(struct io_kiocb *req, notif->buf_index = req->buf_index; - if (req->opcode == IORING_OP_SEND_ZC) { + if (!(sr->flags & IORING_SEND_VECTORIZED)) { ret = io_import_reg_buf(notif, &kmsg->msg.msg_iter, (u64)(uintptr_t)sr->buf, sr->len, ITER_SOURCE, issue_flags); -- 2.53.0