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 d352bdc4e53ea01bd6e3eb74c05d2c012fa671ab..4dfc2296600d30af117104123d9eddef56231688 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 :