From owner-svn-src-stable-12@freebsd.org Sat Mar 14 02:05:13 2020 Return-Path: Delivered-To: svn-src-stable-12@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 0349E27316F; Sat, 14 Mar 2020 02:05:13 +0000 (UTC) (envelope-from np@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) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 48fQr85cYWz4FVP; Sat, 14 Mar 2020 02:05:12 +0000 (UTC) (envelope-from np@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id B7E68FAA3; Sat, 14 Mar 2020 02:05:12 +0000 (UTC) (envelope-from np@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 02E25C50058466; Sat, 14 Mar 2020 02:05:12 GMT (envelope-from np@FreeBSD.org) Received: (from np@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 02E25CGS058465; Sat, 14 Mar 2020 02:05:12 GMT (envelope-from np@FreeBSD.org) Message-Id: <202003140205.02E25CGS058465@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: np set sender to np@FreeBSD.org using -f From: Navdeep Parhar Date: Sat, 14 Mar 2020 02:05:12 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r358982 - stable/12/sys/dev/cxgbe X-SVN-Group: stable-12 X-SVN-Commit-Author: np X-SVN-Commit-Paths: stable/12/sys/dev/cxgbe X-SVN-Commit-Revision: 358982 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable-12@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for only the 12-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 14 Mar 2020 02:05:13 -0000 Author: np Date: Sat Mar 14 02:05:12 2020 New Revision: 358982 URL: https://svnweb.freebsd.org/changeset/base/358982 Log: MFC r357552: cxgbe(4): Allow nm_black_hole and nm_cong_drop to be set at any time. The cong_drop setting will apply to queues created after the setting is changed and not to existing queues. Sponsored by: Chelsio Communications Modified: stable/12/sys/dev/cxgbe/t4_netmap.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/dev/cxgbe/t4_netmap.c ============================================================================== --- stable/12/sys/dev/cxgbe/t4_netmap.c Sat Mar 14 01:59:39 2020 (r358981) +++ stable/12/sys/dev/cxgbe/t4_netmap.c Sat Mar 14 02:05:12 2020 (r358982) @@ -63,7 +63,7 @@ extern int fl_pad; /* XXXNM */ * 2 = supermassive black hole (buffer packing enabled) */ int black_hole = 0; -SYSCTL_INT(_hw_cxgbe, OID_AUTO, nm_black_hole, CTLFLAG_RDTUN, &black_hole, 0, +SYSCTL_INT(_hw_cxgbe, OID_AUTO, nm_black_hole, CTLFLAG_RWTUN, &black_hole, 0, "Sink incoming packets."); int rx_ndesc = 256; @@ -85,7 +85,7 @@ SYSCTL_INT(_hw_cxgbe, OID_AUTO, nm_holdoff_tmr_idx, CT * 1: no backpressure, drop packets for the congested queue immediately. */ static int nm_cong_drop = 1; -SYSCTL_INT(_hw_cxgbe, OID_AUTO, nm_cong_drop, CTLFLAG_RDTUN, +SYSCTL_INT(_hw_cxgbe, OID_AUTO, nm_cong_drop, CTLFLAG_RWTUN, &nm_cong_drop, 0, "Congestion control for netmap rx queues (0 = backpressure, 1 = drop");