netdev - [PATCH net-next 11/11] sfc: Fix RX drop filters for EF10

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Message-ID: <1387229705.1799.54.camel@bwh-desktop.uk.level5networks.com>
Date:	Mon, 16 Dec 2013 21:35:05 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	David Miller <davem@...emloft.net>
CC:	<netdev@...r.kernel.org>, <linux-net-drivers@...arflare.com>
Subject: [PATCH net-next 11/11] sfc: Fix RX drop filters for EF10

When we insert an filter, the firmware checks that the given RX queue
index is in range even if it will not be used.  In case we're
inserting a drop filter, pass the value 0.

Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>
---
 drivers/net/ethernet/sfc/ef10.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index d352bdc4e53e..4dfc2296600d 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -2245,7 +2245,9 @@ static void efx_ef10_filter_push_prep(struct efx_nic *efx,
 		       MC_CMD_FILTER_OP_IN_RX_DEST_HOST);
 	MCDI_SET_DWORD(inbuf, FILTER_OP_IN_TX_DEST,
 		       MC_CMD_FILTER_OP_IN_TX_DEST_DEFAULT);
-	MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_QUEUE, spec->dmaq_id);
+	MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_QUEUE,
+		       spec->dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP ?
+		       0 : spec->dmaq_id);
 	MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_MODE,
 		       (spec->flags & EFX_FILTER_FLAG_RX_RSS) ?
 		       MC_CMD_FILTER_OP_IN_RX_MODE_RSS :

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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