From owner-dev-commits-src-branches@freebsd.org Mon Mar 29 10:19:00 2021 Return-Path: Delivered-To: dev-commits-src-branches@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id C48F65C3F01; Mon, 29 Mar 2021 10:19:00 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4F87pX4P5zz3D5r; Mon, 29 Mar 2021 10:19:00 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 8992011A40; Mon, 29 Mar 2021 10:19:00 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 12TAJ0W1037568; Mon, 29 Mar 2021 10:19:00 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 12TAJ0SS037567; Mon, 29 Mar 2021 10:19:00 GMT (envelope-from git) Date: Mon, 29 Mar 2021 10:19:00 GMT Message-Id: <202103291019.12TAJ0SS037567@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Wei Hu Subject: git: a86be0da9a03 - stable/13 - Hyper-V: hn: Store host hash value in flowid MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: whu X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: a86be0da9a03840bcf19499428e8868728c0082e Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-branches@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commits to the stable branches of the FreeBSD src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Mar 2021 10:19:00 -0000 The branch stable/13 has been updated by whu: URL: https://cgit.FreeBSD.org/src/commit/?id=a86be0da9a03840bcf19499428e8868728c0082e commit a86be0da9a03840bcf19499428e8868728c0082e Author: Wei Hu AuthorDate: 2021-02-24 05:07:46 +0000 Commit: Wei Hu CommitDate: 2021-03-29 10:18:20 +0000 Hyper-V: hn: Store host hash value in flowid When rx packet contains hash value sent from host, store it in the mbuf's flowid field so when the same mbuf is on the tx path, the hash value can be used by the host to determine the outgoing network queue. MFC after: 2 weeks Sponsored by: Microsoft (cherry picked from commit 80f39bd95f22322152709ea5fae3a3c546044c9c) --- sys/dev/hyperv/netvsc/if_hn.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/sys/dev/hyperv/netvsc/if_hn.c b/sys/dev/hyperv/netvsc/if_hn.c index 5a57ea796d0e..9243ff226f5b 100644 --- a/sys/dev/hyperv/netvsc/if_hn.c +++ b/sys/dev/hyperv/netvsc/if_hn.c @@ -3077,13 +3077,24 @@ hn_encap(struct ifnet *ifp, struct hn_tx_ring *txr, struct hn_txdesc *txd, if (txr->hn_tx_flags & HN_TX_FLAG_HASHVAL) { /* - * Set the hash value for this packet, so that the host could - * dispatch the TX done event for this packet back to this TX - * ring's channel. + * Set the hash value for this packet. */ pi_data = hn_rndis_pktinfo_append(pkt, HN_RNDIS_PKT_LEN, HN_NDIS_HASH_VALUE_SIZE, HN_NDIS_PKTINFO_TYPE_HASHVAL); - *pi_data = txr->hn_tx_idx; + + if (M_HASHTYPE_ISHASH(m_head)) + /* + * The flowid field contains the hash value host + * set in the rx queue if it is a ip forwarding pkt. + * Set the same hash value so host can send on the + * cpu it was received. + */ + *pi_data = m_head->m_pkthdr.flowid; + else + /* + * Otherwise just put the tx queue index. + */ + *pi_data = txr->hn_tx_idx; } if (m_head->m_flags & M_VLANTAG) {