Date: Sat, 14 Mar 2020 02:05:12 +0000 (UTC) From: Navdeep Parhar <np@FreeBSD.org> 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 Message-ID: <202003140205.02E25CGS058465@repo.freebsd.org>
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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");
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