[dpdk-dev] [PATCH 17/23] net/sfc: support flow marks in equal stride super-buffer Rx

[Andrew Rybchenko]

Equal stride super-buffer Rx mode allows to mark packets in HW
using filters. Process the data on datapath and advertise
corresponding features to allow flow API support to implement it.

Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
 drivers/net/sfc/sfc_dp_rx.h        |  2 ++
 drivers/net/sfc/sfc_ef10_essb_rx.c | 14 ++++++++++++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/net/sfc/sfc_dp_rx.h b/drivers/net/sfc/sfc_dp_rx.h
index cb745e6..83faad1 100644
--- a/drivers/net/sfc/sfc_dp_rx.h
+++ b/drivers/net/sfc/sfc_dp_rx.h
@@ -193,6 +193,8 @@ struct sfc_dp_rx {
 #define SFC_DP_RX_FEAT_SCATTER			0x1
 #define SFC_DP_RX_FEAT_MULTI_PROCESS		0x2
 #define SFC_DP_RX_FEAT_TUNNELS			0x4
+#define SFC_DP_RX_FEAT_FLOW_FLAG		0x8
+#define SFC_DP_RX_FEAT_FLOW_MARK		0x10
 	sfc_dp_rx_get_dev_info_t		*get_dev_info;
 	sfc_dp_rx_pool_ops_supported_t		*pool_ops_supported;
 	sfc_dp_rx_qsize_up_rings_t		*qsize_up_rings;
diff --git a/drivers/net/sfc/sfc_ef10_essb_rx.c b/drivers/net/sfc/sfc_ef10_essb_rx.c
index 8dd4396..f051f3c 100644
--- a/drivers/net/sfc/sfc_ef10_essb_rx.c
+++ b/drivers/net/sfc/sfc_ef10_essb_rx.c
@@ -316,12 +316,21 @@ sfc_ef10_essb_rx_get_pending(struct sfc_ef10_essb_rxq *rxq,
 			m->ol_flags |=
 				(PKT_RX_RSS_HASH *
 				 !!EFX_TEST_QWORD_BIT(*qwordp,
-					ES_EZ_ESSB_RX_PREFIX_HASH_VALID_LBN));
+					ES_EZ_ESSB_RX_PREFIX_HASH_VALID_LBN)) |
+				(PKT_RX_FDIR_ID *
+				 !!EFX_TEST_QWORD_BIT(*qwordp,
+					ES_EZ_ESSB_RX_PREFIX_MARK_VALID_LBN)) |
+				(PKT_RX_FDIR *
+				 !!EFX_TEST_QWORD_BIT(*qwordp,
+					ES_EZ_ESSB_RX_PREFIX_MATCH_FLAG_LBN));
 
 			/* EFX_QWORD_FIELD converts little-endian to CPU */
 			m->hash.rss =
 				EFX_QWORD_FIELD(*qwordp,
 						ES_EZ_ESSB_RX_PREFIX_HASH);
+			m->hash.fdir.hi =
+				EFX_QWORD_FIELD(*qwordp,
+						ES_EZ_ESSB_RX_PREFIX_MARK);
 
 			m = sfc_ef10_essb_next_mbuf(rxq, m);
 		} while (todo_bufs-- > 0);
@@ -640,7 +649,8 @@ struct sfc_dp_rx sfc_ef10_essb_rx = {
 		.hw_fw_caps	= SFC_DP_HW_FW_CAP_EF10 |
 				  SFC_DP_HW_FW_CAP_RX_ES_SUPER_BUFFER,
 	},
-	.features		= 0,
+	.features		= SFC_DP_RX_FEAT_FLOW_FLAG |
+				  SFC_DP_RX_FEAT_FLOW_MARK,
 	.get_dev_info		= sfc_ef10_essb_rx_get_dev_info,
 	.pool_ops_supported	= sfc_ef10_essb_rx_pool_ops_supported,
 	.qsize_up_rings		= sfc_ef10_essb_rx_qsize_up_rings,
-- 
2.7.4