[dpdk-dev] [PATCH 1/3] net/sfc/base: support drop filters on EF10 family NICs

[Andrew Rybchenko <arybchenko@solarflare.com>]

From: Roman Zhukov <Roman.Zhukov@oktetlabs.ru>

Add support for filters which drop packets when forming MCDI request
for a filter.

Signed-off-by: Roman Zhukov <Roman.Zhukov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
---
 drivers/net/sfc/base/ef10_filter.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/net/sfc/base/ef10_filter.c b/drivers/net/sfc/base/ef10_filter.c
index 54e1c35..54ea9e3 100644
--- a/drivers/net/sfc/base/ef10_filter.c
+++ b/drivers/net/sfc/base/ef10_filter.c
@@ -209,10 +209,15 @@ efx_mcdi_filter_op_add(
 	    EVB_PORT_ID_ASSIGNED);
 	MCDI_IN_SET_DWORD(req, FILTER_OP_EXT_IN_MATCH_FIELDS,
 	    match_flags);
-	MCDI_IN_SET_DWORD(req, FILTER_OP_EXT_IN_RX_DEST,
-	    MC_CMD_FILTER_OP_EXT_IN_RX_DEST_HOST);
-	MCDI_IN_SET_DWORD(req, FILTER_OP_EXT_IN_RX_QUEUE,
-	    spec->efs_dmaq_id);
+	if (spec->efs_dmaq_id == EFX_FILTER_SPEC_RX_DMAQ_ID_DROP) {
+		MCDI_IN_SET_DWORD(req, FILTER_OP_EXT_IN_RX_DEST,
+		    MC_CMD_FILTER_OP_EXT_IN_RX_DEST_DROP);
+	} else {
+		MCDI_IN_SET_DWORD(req, FILTER_OP_EXT_IN_RX_DEST,
+		    MC_CMD_FILTER_OP_EXT_IN_RX_DEST_HOST);
+		MCDI_IN_SET_DWORD(req, FILTER_OP_EXT_IN_RX_QUEUE,
+		    spec->efs_dmaq_id);
+	}
 
 #if EFSYS_OPT_RX_SCALE
 	if (spec->efs_flags & EFX_FILTER_FLAG_RX_RSS) {
-- 
2.7.4