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Date: Mon, 9 Jun 2008 19:34:32 +0100 From: Ben Hutchings <bhutchings@...arflare.com> To: Jeff Garzik <jgarzik@...ox.com> Cc: netdev@...r.kernel.org, linux-net-drivers@...arflare.com Subject: [PATCH] sfc: Recover from RX queue flush failure From: Steve Hodgson <shodgson@...arflare.com> RX queue flush can fail if traffic continues to arrive. Recover by performing an invisible reset. Signed-off-by: Ben Hutchings <bhutchings@...arflare.com> --- drivers/net/sfc/falcon.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index cbe2e83..f2d361f 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c @@ -842,8 +842,10 @@ void falcon_fini_rx(struct efx_rx_queue *rx_queue) continue; break; } - if (rc) + if (rc) { EFX_ERR(efx, "failed to flush rx queue %d\n", rx_queue->queue); + efx_schedule_reset(efx, RESET_TYPE_INVISIBLE); + } /* Remove RX descriptor ring from card */ EFX_ZERO_OWORD(rx_desc_ptr); -- Ben Hutchings, Senior Software Engineer, Solarflare Communications Not speaking for my employer; that's the marketing department's job. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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