Date: Thu, 30 Mar 2017 16:54:02 +0000 (UTC) From: Sean Bruno <sbruno@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r316281 - head/sys/net Message-ID: <201703301654.v2UGs2ZV068836@repo.freebsd.org>
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Author: sbruno Date: Thu Mar 30 16:54:01 2017 New Revision: 316281 URL: https://svnweb.freebsd.org/changeset/base/316281 Log: Don't call init functions directly from the timer/watchdog function. Enqueue this in the admin task now that it can process it. Submitted by: Matt Macy <mmacy@nextbsd.org> Sponsored by: Limelight Networks Modified: head/sys/net/iflib.c Modified: head/sys/net/iflib.c ============================================================================== --- head/sys/net/iflib.c Thu Mar 30 16:31:35 2017 (r316280) +++ head/sys/net/iflib.c Thu Mar 30 16:54:01 2017 (r316281) @@ -1441,15 +1441,17 @@ _iflib_irq_alloc(if_ctx_t ctx, if_irq_t driver_filter_t filter, driver_intr_t handler, void *arg, char *name) { - int rc; + int rc, flags; struct resource *res; - void *tag; + void *tag = NULL; device_t dev = ctx->ifc_dev; + flags = RF_ACTIVE; + if (ctx->ifc_flags & IFC_LEGACY) + flags |= RF_SHAREABLE; MPASS(rid < 512); irq->ii_rid = rid; - res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &irq->ii_rid, - RF_SHAREABLE | RF_ACTIVE); + res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &irq->ii_rid, flags); if (res == NULL) { device_printf(dev, "failed to allocate IRQ for rid %d, name %s.\n", rid, name); @@ -2122,7 +2124,8 @@ hung: ctx->ifc_watchdog_events++; ctx->ifc_pause_frames = 0; - iflib_init_locked(ctx); + ctx->ifc_flags |= IFC_DO_RESET; + iflib_admin_intr_deferred(ctx); CTX_UNLOCK(ctx); } @@ -2600,7 +2603,7 @@ txq_max_rs_deferred(iflib_txq_t txq) return (notify_count >> 1); if (txq->ift_in_use > minthresh) return (notify_count >> 2); - return (notify_count >> 4); + return (2); } #define M_CSUM_FLAGS(m) ((m)->m_pkthdr.csum_flags)
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