/* 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.
*/
#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 ((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_hw_tx_insert_vlan_enabled)
+ no_caps |= DEV_TX_OFFLOAD_VLAN_INSERT;
- if (sa->priv.dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
- caps |= DEV_TX_OFFLOAD_MULTI_SEGS;
+ 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_POOL) &&
- (~sa->priv.dp_tx->features & SFC_DP_TX_FEAT_REFCNT))
- caps |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+ if (!sa->tso)
+ no_caps |= DEV_TX_OFFLOAD_TCP_TSO;
- return caps;
+ if (!sa->tso_encap)
+ no_caps |= (DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
+ 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;
-
- if (sa->tso_encap)
- caps |= (DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
- DEV_TX_OFFLOAD_GENEVE_TNL_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
.type = SFC_DP_TX,
.hw_fw_caps = 0,
},
- .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,