Date: Sun, 15 Mar 2015 21:30:20 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r280119 - head/sys/dev/wpi Message-ID: <201503152130.t2FLUK4G092420@svn.freebsd.org>
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Author: adrian Date: Sun Mar 15 21:30:20 2015 New Revision: 280119 URL: https://svnweb.freebsd.org/changeset/base/280119 Log: Workaround delays caused by vmem_check(). PR: kern/197143 Submitted by: Andriy Voskoboinyk <s3erios@gmail.com> Modified: head/sys/dev/wpi/if_wpi.c head/sys/dev/wpi/if_wpireg.h Modified: head/sys/dev/wpi/if_wpi.c ============================================================================== --- head/sys/dev/wpi/if_wpi.c Sun Mar 15 21:29:36 2015 (r280118) +++ head/sys/dev/wpi/if_wpi.c Sun Mar 15 21:30:20 2015 (r280119) @@ -2188,10 +2188,12 @@ wpi_notif_intr(struct wpi_softc *sc) break; } } - } - /* Tell the firmware what we have processed. */ - wpi_update_rx_ring(sc); + if (sc->rxq.cur % 8 == 0) { + /* Tell the firmware what we have processed. */ + wpi_update_rx_ring(sc); + } + } } /* Modified: head/sys/dev/wpi/if_wpireg.h ============================================================================== --- head/sys/dev/wpi/if_wpireg.h Sun Mar 15 21:29:36 2015 (r280118) +++ head/sys/dev/wpi/if_wpireg.h Sun Mar 15 21:30:20 2015 (r280119) @@ -20,7 +20,13 @@ #define WPI_TX_RING_COUNT 256 #define WPI_TX_RING_LOMARK 192 #define WPI_TX_RING_HIMARK 224 + +#ifdef DIAGNOSTIC +#define WPI_RX_RING_COUNT_LOG 8 +#else #define WPI_RX_RING_COUNT_LOG 6 +#endif + #define WPI_RX_RING_COUNT (1 << WPI_RX_RING_COUNT_LOG) #define WPI_NTXQUEUES 8
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