From owner-dev-commits-src-main@freebsd.org Wed Aug 25 15:14:19 2021 Return-Path: Delivered-To: dev-commits-src-main@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 3F469675C4A; Wed, 25 Aug 2021 15:14:19 +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 4GvqJW0SMbz3QmQ; Wed, 25 Aug 2021 15:14:19 +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 E78C71EC90; Wed, 25 Aug 2021 15:14:18 +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 17PFEIVi097540; Wed, 25 Aug 2021 15:14:18 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 17PFEIST097539; Wed, 25 Aug 2021 15:14:18 GMT (envelope-from git) Date: Wed, 25 Aug 2021 15:14:18 GMT Message-Id: <202108251514.17PFEIST097539@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Michael Tuexen Subject: git: dc6ab77d66f8 - main - tcp: make network epoch expectations of LRO explicit MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: tuexen X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: dc6ab77d66f892566de926274e6a58a637975510 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-main@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for the main branch of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Aug 2021 15:14:19 -0000 The branch main has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=dc6ab77d66f892566de926274e6a58a637975510 commit dc6ab77d66f892566de926274e6a58a637975510 Author: Michael Tuexen AuthorDate: 2021-08-25 15:09:25 +0000 Commit: Michael Tuexen CommitDate: 2021-08-25 15:12:36 +0000 tcp: make network epoch expectations of LRO explicit Reviewed by: gallatin, hselasky MFC after: 3 days Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D31648 --- sys/netinet/tcp_lro.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/sys/netinet/tcp_lro.c b/sys/netinet/tcp_lro.c index cb548d457bb3..cb9681559777 100644 --- a/sys/netinet/tcp_lro.c +++ b/sys/netinet/tcp_lro.c @@ -598,6 +598,7 @@ tcp_lro_flush_inactive(struct lro_ctrl *lc, const struct timeval *timeout) uint64_t now, tov; struct bintime bt; + NET_EPOCH_ASSERT(); if (LIST_EMPTY(&lc->lro_active)) return; @@ -1177,8 +1178,6 @@ tcp_lro_lookup(struct ifnet *ifp, struct lro_parser *pa) { struct inpcb *inp; - NET_EPOCH_ASSERT(); - switch (pa->data.lro_type) { #ifdef INET6 case LRO_TYPE_IPV6_TCP: @@ -1368,7 +1367,10 @@ tcp_lro_flush(struct lro_ctrl *lc, struct lro_entry *le) /* Only optimise if there are multiple packets waiting. */ #ifdef TCPHPTS int error; +#endif + NET_EPOCH_ASSERT(); +#ifdef TCPHPTS CURVNET_SET(lc->ifp->if_vnet); error = tcp_lro_flush_tcphpts(lc, le); CURVNET_RESTORE(); @@ -1479,6 +1481,7 @@ tcp_lro_flush_all(struct lro_ctrl *lc) uint64_t nseq; unsigned x; + NET_EPOCH_ASSERT(); /* check if no mbufs to flush */ if (lc->lro_mbuf_count == 0) goto done; @@ -1919,6 +1922,7 @@ tcp_lro_rx(struct lro_ctrl *lc, struct mbuf *m, uint32_t csum) void tcp_lro_queue_mbuf(struct lro_ctrl *lc, struct mbuf *mb) { + NET_EPOCH_ASSERT(); /* sanity checks */ if (__predict_false(lc->ifp == NULL || lc->lro_mbuf_data == NULL || lc->lro_mbuf_max == 0)) {