diff options
Diffstat (limited to 'drivers/net/sfc/sfc_ethdev.c')
| -rw-r--r-- | drivers/net/sfc/sfc_ethdev.c | 231 |
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, |