From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: passt.top; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: passt.top; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=StkXaRto; dkim-atps=neutral Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by passt.top (Postfix) with ESMTPS id D792D5A0008 for ; Tue, 15 Apr 2025 11:43:06 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1744710185; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=VeaRJb0biLJiH1jK4TbCP72ukptXwCkhQcCyFWYP5TU=; b=StkXaRto/58iapaXUyUrulXh7iVNYLi2LKQlOjESUyrWQQCaiO9jKNUypFz/3/zZuPvhoY VRppQpoF+5hjQzIJMLsQEr9bw+ANNnq0ruC3lGXtVKhbH7s67OOVyClOzrwTPHL0wBIrKt Kj511TDfs7YqwJCWm1iITgRaUx0x1fU= Received: from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-83-rgHce_jUN7agZhxGpLOaZQ-1; Tue, 15 Apr 2025 05:43:04 -0400 X-MC-Unique: rgHce_jUN7agZhxGpLOaZQ-1 X-Mimecast-MFC-AGG-ID: rgHce_jUN7agZhxGpLOaZQ_1744710183 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 46F0A1955DC6 for ; Tue, 15 Apr 2025 09:43:03 +0000 (UTC) Received: from lenovo-t14s.redhat.com (unknown [10.44.32.6]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 23D811801A6D; Tue, 15 Apr 2025 09:43:01 +0000 (UTC) From: Laurent Vivier To: passt-dev@passt.top Subject: [PATCH v3 00/20] Introduce discontiguous frames management Date: Tue, 15 Apr 2025 11:42:40 +0200 Message-ID: <20250415094300.65794-1-lvivier@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: Ca1xwmVQIdppn-0FuAJyo2sezVoVbS_81Ml9dGWpLA4_1744710183 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID-Hash: J5L7R4HYBHUE5GGLCQ4265OJOEI5LIPS X-Message-ID-Hash: J5L7R4HYBHUE5GGLCQ4265OJOEI5LIPS X-MailFrom: lvivier@redhat.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: Laurent Vivier X-Mailman-Version: 3.3.8 Precedence: list List-Id: Development discussion and patches for passt Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: This series introduces iov_tail to convey frame information=0D between functions.=0D =0D This is only an API change, for the moment the memory pool=0D is only able to store contiguous buffer, so, except for=0D vhost-user in a special case, we only play with iovec array=0D with only one entry.=0D =0D Laurent Vivier (20):=0D arp: Don't mix incoming and outgoing buffers=0D iov: Introduce iov_slice(), iov_tail_slice() and iov_tail_drop().=0D iov: Update IOV_REMOVE_HEADER() and IOV_PEEK_HEADER()=0D tap: Use iov_tail with tap_add_packet()=0D packet: Use iov_tail with packet_add()=0D packet: Add packet_data()=0D arp: Convert to iov_tail=0D ndp: Convert to iov_tail=0D icmp: Convert to iov_tail=0D udp: Convert to iov_tail=0D tcp: Convert tcp_tap_handler() to use iov_tail=0D tcp: Convert tcp_data_from_tap() to use iov_tail=0D dhcpv6: move offset initialization out of dhcpv6_opt()=0D dhcpv6: Extract sending of NotOnLink status=0D dhcpv6: Convert to iov_tail=0D dhcpv6: Use iov_tail in dhcpv6_opt()=0D dhcp: Convert to iov_tail=0D ip: Use iov_tail in ipv6_l4hdr()=0D tap: Convert tap4_handler() to iov_tail=0D tap: Convert tap6_handler() to iov_tail=0D =0D arp.c | 90 ++++++++++++++-------=0D dhcp.c | 45 ++++++-----=0D dhcpv6.c | 222 ++++++++++++++++++++++++++++++++--------------------=0D icmp.c | 25 +++---=0D iov.c | 165 +++++++++++++++++++++++++++++++++++---=0D iov.h | 61 +++++++++++----=0D ip.c | 27 +++----=0D ip.h | 3 +-=0D ndp.c | 7 +-=0D packet.c | 84 ++++++++------------=0D packet.h | 21 ++---=0D pcap.c | 1 +=0D tap.c | 88 ++++++++++++++-------=0D tap.h | 3 +-=0D tcp.c | 61 ++++++++++-----=0D tcp_buf.c | 2 +-=0D udp.c | 34 +++++---=0D vu_common.c | 26 ++----=0D 18 files changed, 634 insertions(+), 331 deletions(-)=0D =0D --=20=0D 2.49.0=0D =0D