Date: Tue, 24 Sep 2024 23:53:08 GMT From: Navdeep Parhar <np@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: ee3da604dd01 - main - cxgbe(4): Clobber all tracer state on stop and redo only traceq on restart. Message-ID: <202409242353.48ONr8xI074366@gitrepo.freebsd.org>
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The branch main has been updated by np: URL: https://cgit.FreeBSD.org/src/commit/?id=ee3da604dd016439850dae77366796313e60f0e0 commit ee3da604dd016439850dae77366796313e60f0e0 Author: Navdeep Parhar <np@FreeBSD.org> AuthorDate: 2024-09-24 23:28:29 +0000 Commit: Navdeep Parhar <np@FreeBSD.org> CommitDate: 2024-09-24 23:52:22 +0000 cxgbe(4): Clobber all tracer state on stop and redo only traceq on restart. Tracers have to be recreated after a restart but that's okay given that they are used for debugging only. MFC after: 1 week Sponsored by: Chelsio Communications --- sys/dev/cxgbe/t4_main.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c index 4412e1ab95fb..307b9c27111a 100644 --- a/sys/dev/cxgbe/t4_main.c +++ b/sys/dev/cxgbe/t4_main.c @@ -2095,6 +2095,8 @@ stop_lld(struct adapter *sc) if (pi->flags & HAS_TRACEQ) { pi->flags &= ~HAS_TRACEQ; sc->traceq = -1; + sc->tracer_valid = 0; + sc->tracer_enabled = 0; } } if (sc->flags & FULL_INIT_DONE) { @@ -2411,6 +2413,15 @@ restart_lld(struct adapter *sc) "interface: %d\n", rc); goto done; } + if (sc->traceq < 0 && IS_MAIN_VI(vi)) { + sc->traceq = sc->sge.rxq[vi->first_rxq].iq.abs_id; + t4_write_reg(sc, is_t4(sc) ? + A_MPS_TRC_RSS_CONTROL : + A_MPS_T5_TRC_RSS_CONTROL, + V_RSSCONTROL(pi->tx_chan) | + V_QUEUENUMBER(sc->traceq)); + pi->flags |= HAS_TRACEQ; + } ifp = vi->ifp; if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING))
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