X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_tx.c;h=28d696de61f2af2567bf3c9e51cb0f794dd49e09;hb=18da3c854bb8105818dc23c36eecf3465596052a;hp=4037802e6af7048fc7e3e97328d360d0dd099f31;hpb=f7a66f9365fe442d743639d50638a8439e712b96;p=dpdk.git

diff --git a/drivers/net/sfc/sfc_tx.c b/drivers/net/sfc/sfc_tx.c
index 4037802e6a..28d696de61 100644
--- a/drivers/net/sfc/sfc_tx.c
+++ b/drivers/net/sfc/sfc_tx.c
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright (c) 2016-2018 Solarflare Communications Inc.
- * All rights reserved.
+ * Copyright(c) 2019-2021 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.
@@ -34,43 +34,44 @@
  */
 #define SFC_TX_QFLUSH_POLL_ATTEMPTS	(2000)
 
-uint64_t
-sfc_tx_get_dev_offload_caps(struct sfc_adapter *sa)
+static uint64_t
+sfc_tx_get_offload_mask(struct sfc_adapter *sa)
 {
 	const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
-	uint64_t caps = 0;
+	uint64_t no_caps = 0;
+
+	if (!encp->enc_hw_tx_insert_vlan_enabled)
+		no_caps |= DEV_TX_OFFLOAD_VLAN_INSERT;
 
-	if ((sa->priv.dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) &&
-	    encp->enc_hw_tx_insert_vlan_enabled)
-		caps |= DEV_TX_OFFLOAD_VLAN_INSERT;
+	if (!encp->enc_tunnel_encapsulations_supported)
+		no_caps |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
 
-	if (sa->priv.dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
-		caps |= DEV_TX_OFFLOAD_MULTI_SEGS;
+	if (!sa->tso)
+		no_caps |= DEV_TX_OFFLOAD_TCP_TSO;
 
-	if ((~sa->priv.dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL) &&
-	    (~sa->priv.dp_tx->features & SFC_DP_TX_FEAT_REFCNT))
-		caps |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+	if (!sa->tso_encap ||
+	    (encp->enc_tunnel_encapsulations_supported &
+	     (1u << EFX_TUNNEL_PROTOCOL_VXLAN)) == 0)
+		no_caps |= DEV_TX_OFFLOAD_VXLAN_TNL_TSO;
 
-	return caps;
+	if (!sa->tso_encap ||
+	    (encp->enc_tunnel_encapsulations_supported &
+	     (1u << EFX_TUNNEL_PROTOCOL_GENEVE)) == 0)
+		no_caps |= DEV_TX_OFFLOAD_GENEVE_TNL_TSO;
+
+	return ~no_caps;
 }
 
 uint64_t
-sfc_tx_get_queue_offload_caps(struct sfc_adapter *sa)
+sfc_tx_get_dev_offload_caps(struct sfc_adapter *sa)
 {
-	const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
-	uint64_t caps = 0;
-
-	caps |= DEV_TX_OFFLOAD_IPV4_CKSUM;
-	caps |= DEV_TX_OFFLOAD_UDP_CKSUM;
-	caps |= DEV_TX_OFFLOAD_TCP_CKSUM;
-
-	if (encp->enc_tunnel_encapsulations_supported)
-		caps |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
-
-	if (sa->tso)
-		caps |= DEV_TX_OFFLOAD_TCP_TSO;
+	return sa->priv.dp_tx->dev_offload_capa & sfc_tx_get_offload_mask(sa);
+}
 
-	return caps;
+uint64_t
+sfc_tx_get_queue_offload_caps(struct sfc_adapter *sa)
+{
+	return sa->priv.dp_tx->queue_offload_capa & sfc_tx_get_offload_mask(sa);
 }
 
 static int
@@ -193,6 +194,17 @@ sfc_tx_qinit(struct sfc_adapter *sa, unsigned int sw_index,
 	info.vi_window_shift = encp->enc_vi_window_shift;
 	info.tso_tcp_header_offset_limit =
 		encp->enc_tx_tso_tcp_header_offset_limit;
+	info.tso_max_nb_header_descs =
+		RTE_MIN(encp->enc_tx_tso_max_header_ndescs,
+			(uint32_t)UINT16_MAX);
+	info.tso_max_header_len =
+		RTE_MIN(encp->enc_tx_tso_max_header_length,
+			(uint32_t)UINT16_MAX);
+	info.tso_max_nb_payload_descs =
+		RTE_MIN(encp->enc_tx_tso_max_payload_ndescs,
+			(uint32_t)UINT16_MAX);
+	info.tso_max_payload_len = encp->enc_tx_tso_max_payload_length;
+	info.tso_max_nb_outgoing_frames = encp->enc_tx_tso_max_nframes;
 
 	rc = sa->priv.dp_tx->qcreate(sa->eth_dev->data->port_id, sw_index,
 				     &RTE_ETH_DEV_TO_PCI(sa->eth_dev)->addr,
@@ -469,7 +481,9 @@ sfc_tx_qstart(struct sfc_adapter *sa, unsigned int sw_index)
 			flags |= EFX_TXQ_CKSUM_INNER_TCPUDP;
 	}
 
-	if (txq_info->offloads & DEV_TX_OFFLOAD_TCP_TSO)
+	if (txq_info->offloads & (DEV_TX_OFFLOAD_TCP_TSO |
+				  DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
+				  DEV_TX_OFFLOAD_GENEVE_TNL_TSO))
 		flags |= EFX_TXQ_FATSOV2;
 
 	rc = efx_tx_qcreate(sa->nic, txq->hw_index, 0, &txq->mem,
@@ -588,18 +602,27 @@ int
 sfc_tx_start(struct sfc_adapter *sa)
 {
 	struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
+	const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
 	unsigned int sw_index;
 	int rc = 0;
 
 	sfc_log_init(sa, "txq_count = %u", sas->txq_count);
 
 	if (sa->tso) {
-		if (!efx_nic_cfg_get(sa->nic)->enc_fw_assisted_tso_v2_enabled) {
+		if (!encp->enc_fw_assisted_tso_v2_enabled &&
+		    !encp->enc_tso_v3_enabled) {
 			sfc_warn(sa, "TSO support was unable to be restored");
 			sa->tso = B_FALSE;
+			sa->tso_encap = B_FALSE;
 		}
 	}
 
+	if (sa->tso_encap && !encp->enc_fw_assisted_tso_v2_encap_enabled &&
+	    !encp->enc_tso_v3_enabled) {
+		sfc_warn(sa, "Encapsulated TSO support was unable to be restored");
+		sa->tso_encap = B_FALSE;
+	}
+
 	rc = efx_tx_init(sa->nic);
 	if (rc != 0)
 		goto fail_efx_tx_init;
@@ -714,7 +737,7 @@ sfc_efx_prepare_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 		 * insertion offload is requested regardless the offload
 		 * requested/supported.
 		 */
-		ret = sfc_dp_tx_prepare_pkt(tx_pkts[i],
+		ret = sfc_dp_tx_prepare_pkt(tx_pkts[i], 0, SFC_TSOH_STD_LEN,
 				encp->enc_tx_tso_tcp_header_offset_limit,
 				txq->max_fill_level, EFX_TX_FATSOV2_OPT_NDESCS,
 				1);
@@ -1134,13 +1157,16 @@ struct sfc_dp_tx sfc_efx_tx = {
 	.dp = {
 		.name		= SFC_KVARG_DATAPATH_EFX,
 		.type		= SFC_DP_TX,
-		.hw_fw_caps	= 0,
+		.hw_fw_caps	= SFC_DP_HW_FW_CAP_TX_EFX,
 	},
-	.features		= SFC_DP_TX_FEAT_VLAN_INSERT |
-				  SFC_DP_TX_FEAT_TSO |
-				  SFC_DP_TX_FEAT_MULTI_POOL |
-				  SFC_DP_TX_FEAT_REFCNT |
-				  SFC_DP_TX_FEAT_MULTI_SEG,
+	.features		= 0,
+	.dev_offload_capa	= DEV_TX_OFFLOAD_VLAN_INSERT |
+				  DEV_TX_OFFLOAD_MULTI_SEGS,
+	.queue_offload_capa	= DEV_TX_OFFLOAD_IPV4_CKSUM |
+				  DEV_TX_OFFLOAD_UDP_CKSUM |
+				  DEV_TX_OFFLOAD_TCP_CKSUM |
+				  DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
+				  DEV_TX_OFFLOAD_TCP_TSO,
 	.qsize_up_rings		= sfc_efx_tx_qsize_up_rings,
 	.qcreate		= sfc_efx_tx_qcreate,
 	.qdestroy		= sfc_efx_tx_qdestroy,