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@solarflare.com>

diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index d352bdc..4dfc229 100644 (file)
--- 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 :