[PATCH 3/3] r8169: prevent RxFIFO induced loops in the irq handler.
From: Francois Romieu <romieu@fr.zoreil.com>
Date: 2011-02-03 17:29:22
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
While the RxFIFO interruption is masked for most 8168, nothing prevents it to appear in the irq status word. This is no excuse to crash. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Ivan Vecera <ivecera@redhat.com> Cc: Hayes <redacted> --- drivers/net/r8169.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 40dabe2..59ccf0c 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c@@ -4650,6 +4650,15 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) netif_stop_queue(dev); rtl8169_tx_timeout(dev); goto done; + /* Testers needed. */ + case RTL_GIGA_MAC_VER_17: + case RTL_GIGA_MAC_VER_19: + case RTL_GIGA_MAC_VER_20: + case RTL_GIGA_MAC_VER_21: + case RTL_GIGA_MAC_VER_23: + case RTL_GIGA_MAC_VER_24: + case RTL_GIGA_MAC_VER_27: + case RTL_GIGA_MAC_VER_28: /* Experimental science. Pktgen proof. */ case RTL_GIGA_MAC_VER_12: case RTL_GIGA_MAC_VER_25:
--
1.7.3.5