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authorLuca Boccassi <luca.boccassi@gmail.com>2018-02-19 11:16:57 +0000
committerLuca Boccassi <luca.boccassi@gmail.com>2018-02-19 11:17:28 +0000
commitca33590b6af032bff57d9cc70455660466a654b2 (patch)
tree0b68b090bd9b4a78a3614b62400b29279d76d553 /drivers/net/sfc/sfc_ethdev.c
parent169a9de21e263aa6599cdc2d87a45ae158d9f509 (diff)
New upstream version 18.02upstream/18.02
Change-Id: I89ed24cb2a49b78fe5be6970b99dd46c1499fcc3 Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/net/sfc/sfc_ethdev.c')
-rw-r--r--drivers/net/sfc/sfc_ethdev.c231
1 files changed, 187 insertions, 44 deletions
diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index 2f5f86f8..89a45290 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -1,36 +1,14 @@
-/*-
- * BSD LICENSE
+/* SPDX-License-Identifier: BSD-3-Clause
*
- * Copyright (c) 2016-2017 Solarflare Communications Inc.
+ * Copyright (c) 2016-2018 Solarflare Communications Inc.
* All rights reserved.
*
* This software was jointly developed between OKTET Labs (under contract
* for Solarflare) and Solarflare Communications, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <rte_dev.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_ethdev_pci.h>
#include <rte_pci.h>
#include <rte_bus_pci.h>
@@ -105,6 +83,7 @@ sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
{
struct sfc_adapter *sa = dev->data->dev_private;
const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+ uint64_t txq_offloads_def = 0;
sfc_log_init(sa, "entry");
@@ -126,22 +105,35 @@ sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
/* By default packets are dropped if no descriptors are available */
dev_info->default_rxconf.rx_drop_en = 1;
- dev_info->rx_offload_capa =
- DEV_RX_OFFLOAD_IPV4_CKSUM |
- DEV_RX_OFFLOAD_UDP_CKSUM |
- DEV_RX_OFFLOAD_TCP_CKSUM;
+ dev_info->rx_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa);
+
+ /*
+ * rx_offload_capa includes both device and queue offloads since
+ * the latter may be requested on a per device basis which makes
+ * sense when some offloads are needed to be set on all queues.
+ */
+ dev_info->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) |
+ dev_info->rx_queue_offload_capa;
+
+ dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa);
+
+ /*
+ * tx_offload_capa includes both device and queue offloads since
+ * the latter may be requested on a per device basis which makes
+ * sense when some offloads are needed to be set on all queues.
+ */
+ dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) |
+ dev_info->tx_queue_offload_capa;
- dev_info->tx_offload_capa =
- DEV_TX_OFFLOAD_IPV4_CKSUM |
- DEV_TX_OFFLOAD_UDP_CKSUM |
- DEV_TX_OFFLOAD_TCP_CKSUM;
+ if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+ txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+
+ dev_info->default_txconf.offloads |= txq_offloads_def;
dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) ||
!encp->enc_hw_tx_insert_vlan_enabled)
dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
- else
- dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_VLAN_INSERT;
if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
@@ -160,9 +152,7 @@ sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
}
#endif
- if (sa->tso)
- dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO;
-
+ /* Initialize to hardware limits */
dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
/* The RXQ hardware requires that the descriptor count is a power
@@ -170,6 +160,7 @@ sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
*/
dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
+ /* Initialize to hardware limits */
dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
/*
@@ -177,14 +168,21 @@ sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
* of 2, but tx_desc_lim cannot properly describe that constraint
*/
dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
+
+ if (sa->dp_rx->get_dev_info != NULL)
+ sa->dp_rx->get_dev_info(dev_info);
+ if (sa->dp_tx->get_dev_info != NULL)
+ sa->dp_tx->get_dev_info(dev_info);
}
static const uint32_t *
sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
{
struct sfc_adapter *sa = dev->data->dev_private;
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+ uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported;
- return sa->dp_rx->supported_ptypes_get();
+ return sa->dp_rx->supported_ptypes_get(tunnel_encaps);
}
static int
@@ -895,7 +893,13 @@ sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
* The driver does not use it, but other PMDs update jumbo_frame
* flag and max_rx_pkt_len when MTU is set.
*/
- dev->data->dev_conf.rxmode.jumbo_frame = (mtu > ETHER_MAX_LEN);
+ if (mtu > ETHER_MAX_LEN) {
+ struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
+
+ rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
+ rxmode->jumbo_frame = 1;
+ }
+
dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
sfc_adapter_unlock(sa);
@@ -926,6 +930,12 @@ sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
sfc_adapter_lock(sa);
+ /*
+ * Copy the address to the device private data so that
+ * it could be recalled in the case of adapter restart.
+ */
+ ether_addr_copy(mac_addr, &port->default_mac_addr);
+
if (port->isolated) {
sfc_err(sa, "isolated mode is active on the port");
sfc_err(sa, "will not set MAC address");
@@ -961,9 +971,9 @@ sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
/*
* Since setting MAC address with filters installed is not
- * allowed on the adapter, one needs to simply restart adapter
- * so that the new MAC address will be taken from an outer
- * storage and set flawlessly by means of sfc_start() call
+ * allowed on the adapter, the new MAC address will be set
+ * by means of adapter restart. sfc_start() shall retrieve
+ * the new address from the device private data and set it.
*/
sfc_stop(sa);
rc = sfc_start(sa);
@@ -972,6 +982,13 @@ sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
}
unlock:
+ /*
+ * In the case of failure sa->port->default_mac_addr does not
+ * need rollback since no error code is returned, and the upper
+ * API will anyway update the external MAC address storage.
+ * To be consistent with that new value it is better to keep
+ * the device private value the same.
+ */
sfc_adapter_unlock(sa);
}
@@ -1045,7 +1062,13 @@ sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
qinfo->conf.rx_free_thresh = rxq->refill_threshold;
qinfo->conf.rx_drop_en = 1;
qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
- qinfo->scattered_rx = (rxq_info->type == EFX_RXQ_TYPE_SCATTER);
+ qinfo->conf.offloads = DEV_RX_OFFLOAD_IPV4_CKSUM |
+ DEV_RX_OFFLOAD_UDP_CKSUM |
+ DEV_RX_OFFLOAD_TCP_CKSUM;
+ if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) {
+ qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER;
+ qinfo->scattered_rx = 1;
+ }
qinfo->nb_desc = rxq_info->entries;
sfc_adapter_unlock(sa);
@@ -1072,6 +1095,7 @@ sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
memset(qinfo, 0, sizeof(*qinfo));
qinfo->conf.txq_flags = txq_info->txq->flags;
+ qinfo->conf.offloads = txq_info->txq->offloads;
qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
qinfo->conf.tx_deferred_start = txq_info->deferred_start;
qinfo->nb_desc = txq_info->entries;
@@ -1211,6 +1235,123 @@ sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
return 0;
}
+static efx_tunnel_protocol_t
+sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type)
+{
+ switch (rte_type) {
+ case RTE_TUNNEL_TYPE_VXLAN:
+ return EFX_TUNNEL_PROTOCOL_VXLAN;
+ case RTE_TUNNEL_TYPE_GENEVE:
+ return EFX_TUNNEL_PROTOCOL_GENEVE;
+ default:
+ return EFX_TUNNEL_NPROTOS;
+ }
+}
+
+enum sfc_udp_tunnel_op_e {
+ SFC_UDP_TUNNEL_ADD_PORT,
+ SFC_UDP_TUNNEL_DEL_PORT,
+};
+
+static int
+sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev,
+ struct rte_eth_udp_tunnel *tunnel_udp,
+ enum sfc_udp_tunnel_op_e op)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ efx_tunnel_protocol_t tunnel_proto;
+ int rc;
+
+ sfc_log_init(sa, "%s udp_port=%u prot_type=%u",
+ (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" :
+ (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown",
+ tunnel_udp->udp_port, tunnel_udp->prot_type);
+
+ tunnel_proto =
+ sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type);
+ if (tunnel_proto >= EFX_TUNNEL_NPROTOS) {
+ rc = ENOTSUP;
+ goto fail_bad_proto;
+ }
+
+ sfc_adapter_lock(sa);
+
+ switch (op) {
+ case SFC_UDP_TUNNEL_ADD_PORT:
+ rc = efx_tunnel_config_udp_add(sa->nic,
+ tunnel_udp->udp_port,
+ tunnel_proto);
+ break;
+ case SFC_UDP_TUNNEL_DEL_PORT:
+ rc = efx_tunnel_config_udp_remove(sa->nic,
+ tunnel_udp->udp_port,
+ tunnel_proto);
+ break;
+ default:
+ rc = EINVAL;
+ goto fail_bad_op;
+ }
+
+ if (rc != 0)
+ goto fail_op;
+
+ if (sa->state == SFC_ADAPTER_STARTED) {
+ rc = efx_tunnel_reconfigure(sa->nic);
+ if (rc == EAGAIN) {
+ /*
+ * Configuration is accepted by FW and MC reboot
+ * is initiated to apply the changes. MC reboot
+ * will be handled in a usual way (MC reboot
+ * event on management event queue and adapter
+ * restart).
+ */
+ rc = 0;
+ } else if (rc != 0) {
+ goto fail_reconfigure;
+ }
+ }
+
+ sfc_adapter_unlock(sa);
+ return 0;
+
+fail_reconfigure:
+ /* Remove/restore entry since the change makes the trouble */
+ switch (op) {
+ case SFC_UDP_TUNNEL_ADD_PORT:
+ (void)efx_tunnel_config_udp_remove(sa->nic,
+ tunnel_udp->udp_port,
+ tunnel_proto);
+ break;
+ case SFC_UDP_TUNNEL_DEL_PORT:
+ (void)efx_tunnel_config_udp_add(sa->nic,
+ tunnel_udp->udp_port,
+ tunnel_proto);
+ break;
+ }
+
+fail_op:
+fail_bad_op:
+ sfc_adapter_unlock(sa);
+
+fail_bad_proto:
+ SFC_ASSERT(rc > 0);
+ return -rc;
+}
+
+static int
+sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
+ struct rte_eth_udp_tunnel *tunnel_udp)
+{
+ return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT);
+}
+
+static int
+sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
+ struct rte_eth_udp_tunnel *tunnel_udp)
+{
+ return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
+}
+
#if EFSYS_OPT_RX_SCALE
static int
sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
@@ -1515,6 +1656,8 @@ static const struct eth_dev_ops sfc_eth_dev_ops = {
.flow_ctrl_get = sfc_flow_ctrl_get,
.flow_ctrl_set = sfc_flow_ctrl_set,
.mac_addr_set = sfc_mac_addr_set,
+ .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add,
+ .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del,
#if EFSYS_OPT_RX_SCALE
.reta_update = sfc_dev_rss_reta_update,
.reta_query = sfc_dev_rss_reta_query,