X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_ef10_rx.c;h=a43554a1356b6e769acdd8fa0b1e98424306b65c;hb=57ddbf7edd9c5041603e224fbbb62c11ce423135;hp=f2fc6e70a18ebe48e08172895a2e23c0e74f7b00;hpb=1245e3fabca3634034db14a80734e47e4f3b28b1;p=dpdk.git

diff --git a/drivers/net/sfc/sfc_ef10_rx.c b/drivers/net/sfc/sfc_ef10_rx.c
index f2fc6e70a1..a43554a135 100644
--- a/drivers/net/sfc/sfc_ef10_rx.c
+++ b/drivers/net/sfc/sfc_ef10_rx.c
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright (c) 2016-2018 Solarflare Communications Inc.
- * All rights reserved.
+ * Copyright(c) 2019-2020 Xilinx, Inc.
+ * Copyright(c) 2016-2019 Solarflare Communications Inc.
  *
  * This software was jointly developed between OKTET Labs (under contract
  * for Solarflare) and Solarflare Communications, Inc.
@@ -21,6 +21,7 @@
 #include "efx_regs.h"
 #include "efx_regs_ef10.h"
 
+#include "sfc_debug.h"
 #include "sfc_tweak.h"
 #include "sfc_dp_rx.h"
 #include "sfc_kvargs.h"
@@ -32,6 +33,9 @@
 #define sfc_ef10_rx_err(dpq, ...) \
 	SFC_DP_LOG(SFC_KVARG_DATAPATH_EF10, ERR, dpq, __VA_ARGS__)
 
+#define sfc_ef10_rx_info(dpq, ...) \
+	SFC_DP_LOG(SFC_KVARG_DATAPATH_EF10, INFO, dpq, __VA_ARGS__)
+
 /**
  * Maximum number of descriptors/buffers in the Rx ring.
  * It should guarantee that corresponding event queue never overfill.
@@ -219,6 +223,18 @@ sfc_ef10_rx_pending(struct sfc_ef10_rxq *rxq, struct rte_mbuf **rx_pkts,
 	return rx_pkts;
 }
 
+/*
+ * Below Rx pseudo-header (aka Rx prefix) accessors rely on the
+ * following fields layout.
+ */
+static const efx_rx_prefix_layout_t sfc_ef10_rx_prefix_layout = {
+	.erpl_fields	= {
+		[EFX_RX_PREFIX_FIELD_RSS_HASH]	=
+		    { 0, sizeof(uint32_t) * CHAR_BIT, B_FALSE },
+		[EFX_RX_PREFIX_FIELD_LENGTH]	=
+		    { 8 * CHAR_BIT, sizeof(uint16_t) * CHAR_BIT, B_FALSE },
+	}
+};
 static uint16_t
 sfc_ef10_rx_pseudo_hdr_get_len(const uint8_t *pseudo_hdr)
 {
@@ -671,6 +687,8 @@ sfc_ef10_rx_qcreate(uint16_t port_id, uint16_t queue_id,
 		      ER_DZ_EVQ_RPTR_REG_OFST +
 		      (info->evq_hw_index << info->vi_window_shift);
 
+	sfc_ef10_rx_info(&rxq->dp.dpq, "RxQ doorbell is %p", rxq->doorbell);
+
 	*dp_rxqp = &rxq->dp;
 	return 0;
 
@@ -694,7 +712,8 @@ sfc_ef10_rx_qdestroy(struct sfc_dp_rxq *dp_rxq)
 
 static sfc_dp_rx_qstart_t sfc_ef10_rx_qstart;
 static int
-sfc_ef10_rx_qstart(struct sfc_dp_rxq *dp_rxq, unsigned int evq_read_ptr)
+sfc_ef10_rx_qstart(struct sfc_dp_rxq *dp_rxq, unsigned int evq_read_ptr,
+		   const efx_rx_prefix_layout_t *pinfo)
 {
 	struct sfc_ef10_rxq *rxq = sfc_ef10_rxq_by_dp_rxq(dp_rxq);
 
@@ -702,6 +721,10 @@ sfc_ef10_rx_qstart(struct sfc_dp_rxq *dp_rxq, unsigned int evq_read_ptr)
 	SFC_ASSERT(rxq->pending == 0);
 	SFC_ASSERT(rxq->added == 0);
 
+	if (pinfo->erpl_length != rxq->prefix_size ||
+	    efx_rx_prefix_layout_check(pinfo, &sfc_ef10_rx_prefix_layout) != 0)
+		return ENOTSUP;
+
 	sfc_ef10_rx_qrefill(rxq);
 
 	rxq->evq_read_ptr = evq_read_ptr;
@@ -796,7 +819,8 @@ struct sfc_dp_rx sfc_ef10_rx = {
 	.features		= SFC_DP_RX_FEAT_MULTI_PROCESS |
 				  SFC_DP_RX_FEAT_INTR,
 	.dev_offload_capa	= DEV_RX_OFFLOAD_CHECKSUM |
-				  DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM,
+				  DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
+				  DEV_RX_OFFLOAD_RSS_HASH,
 	.queue_offload_capa	= DEV_RX_OFFLOAD_SCATTER,
 	.get_dev_info		= sfc_ef10_rx_get_dev_info,
 	.qsize_up_rings		= sfc_ef10_rx_qsize_up_rings,