From nobody Fri Oct 29 23:58:38 2021 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 146AC181DCF2; Fri, 29 Oct 2021 23:58:46 +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 4Hgzsc2kmTz4Vc5; Fri, 29 Oct 2021 23:58:44 +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 3EA71203B0; Fri, 29 Oct 2021 23:58:38 +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 19TNwc20004026; Fri, 29 Oct 2021 23:58:38 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 19TNwcTV004025; Fri, 29 Oct 2021 23:58:38 GMT (envelope-from git) Date: Fri, 29 Oct 2021 23:58:38 GMT Message-Id: <202110292358.19TNwcTV004025@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: John Baldwin Subject: git: d724218a7492 - stable/13 - cxgbei: Limit T5 transmit data segments to 15k. List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: jhb X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: d724218a7492126c14fc853424e756b6bc836030 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=d724218a7492126c14fc853424e756b6bc836030 commit d724218a7492126c14fc853424e756b6bc836030 Author: John Baldwin AuthorDate: 2021-08-30 22:27:08 +0000 Commit: John Baldwin CommitDate: 2021-10-29 23:32:24 +0000 cxgbei: Limit T5 transmit data segments to 15k. This avoids exceeding a limit in the firmware when using ISO with jumbo frames. Reported by: Jithesh Arakkan @ Chelsio Sponsored by: Chelsio Communications (cherry picked from commit 64f09f2346650f02b6deccbe05bb02b88fce4a5e) --- sys/dev/cxgbe/cxgbei/cxgbei.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/dev/cxgbe/cxgbei/cxgbei.c b/sys/dev/cxgbe/cxgbei/cxgbei.c index 6af7043460fb..e6ed2671711a 100644 --- a/sys/dev/cxgbe/cxgbei/cxgbei.c +++ b/sys/dev/cxgbe/cxgbei/cxgbei.c @@ -132,6 +132,8 @@ read_pdu_limits(struct adapter *sc, uint32_t *max_tx_data_len, rx_len = min(rx_len, 4 * (1U << pr->pr_page_shift[0])); if (chip_id(sc) == CHELSIO_T5) { + tx_len = min(tx_len, 15360); + rx_len = rounddown2(rx_len, 512); tx_len = rounddown2(tx_len, 512); }