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

[Andrew Rybchenko]

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

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

Signed-off-by: Roman Zhukov <roman.zhu...@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybche...@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