New upstream version 18.05
[deb_dpdk.git] / drivers / net / i40e / i40e_vf_representor.c
diff --git a/drivers/net/i40e/i40e_vf_representor.c b/drivers/net/i40e/i40e_vf_representor.c
new file mode 100644 (file)
index 0000000..f9f1316
--- /dev/null
@@ -0,0 +1,531 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation.
+ */
+
+#include <rte_bus_pci.h>
+#include <rte_ethdev.h>
+#include <rte_pci.h>
+#include <rte_malloc.h>
+
+#include "base/i40e_type.h"
+#include "base/virtchnl.h"
+#include "i40e_ethdev.h"
+#include "i40e_rxtx.h"
+#include "rte_pmd_i40e.h"
+
+static int
+i40e_vf_representor_link_update(struct rte_eth_dev *ethdev,
+       int wait_to_complete)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+
+       return i40e_dev_link_update(representor->adapter->eth_dev,
+               wait_to_complete);
+}
+static void
+i40e_vf_representor_dev_infos_get(struct rte_eth_dev *ethdev,
+       struct rte_eth_dev_info *dev_info)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+
+       /* get dev info for the vdev */
+       dev_info->device = ethdev->device;
+
+       dev_info->max_rx_queues = ethdev->data->nb_rx_queues;
+       dev_info->max_tx_queues = ethdev->data->nb_tx_queues;
+
+       dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN;
+       dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX;
+       dev_info->hash_key_size = (I40E_VFQF_HKEY_MAX_INDEX + 1) *
+               sizeof(uint32_t);
+       dev_info->reta_size = ETH_RSS_RETA_SIZE_64;
+       dev_info->flow_type_rss_offloads = I40E_RSS_OFFLOAD_ALL;
+       dev_info->max_mac_addrs = I40E_NUM_MACADDR_MAX;
+       dev_info->rx_offload_capa =
+               DEV_RX_OFFLOAD_VLAN_STRIP |
+               DEV_RX_OFFLOAD_QINQ_STRIP |
+               DEV_RX_OFFLOAD_IPV4_CKSUM |
+               DEV_RX_OFFLOAD_UDP_CKSUM |
+               DEV_RX_OFFLOAD_TCP_CKSUM;
+       dev_info->tx_offload_capa =
+               DEV_TX_OFFLOAD_VLAN_INSERT |
+               DEV_TX_OFFLOAD_QINQ_INSERT |
+               DEV_TX_OFFLOAD_IPV4_CKSUM |
+               DEV_TX_OFFLOAD_UDP_CKSUM |
+               DEV_TX_OFFLOAD_TCP_CKSUM |
+               DEV_TX_OFFLOAD_SCTP_CKSUM |
+               DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
+               DEV_TX_OFFLOAD_TCP_TSO |
+               DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
+               DEV_TX_OFFLOAD_GRE_TNL_TSO |
+               DEV_TX_OFFLOAD_IPIP_TNL_TSO |
+               DEV_TX_OFFLOAD_GENEVE_TNL_TSO;
+
+       dev_info->default_rxconf = (struct rte_eth_rxconf) {
+               .rx_thresh = {
+                       .pthresh = I40E_DEFAULT_RX_PTHRESH,
+                       .hthresh = I40E_DEFAULT_RX_HTHRESH,
+                       .wthresh = I40E_DEFAULT_RX_WTHRESH,
+               },
+               .rx_free_thresh = I40E_DEFAULT_RX_FREE_THRESH,
+               .rx_drop_en = 0,
+               .offloads = 0,
+       };
+
+       dev_info->default_txconf = (struct rte_eth_txconf) {
+               .tx_thresh = {
+                       .pthresh = I40E_DEFAULT_TX_PTHRESH,
+                       .hthresh = I40E_DEFAULT_TX_HTHRESH,
+                       .wthresh = I40E_DEFAULT_TX_WTHRESH,
+               },
+               .tx_free_thresh = I40E_DEFAULT_TX_FREE_THRESH,
+               .tx_rs_thresh = I40E_DEFAULT_TX_RSBIT_THRESH,
+               .offloads = 0,
+       };
+
+       dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
+               .nb_max = I40E_MAX_RING_DESC,
+               .nb_min = I40E_MIN_RING_DESC,
+               .nb_align = I40E_ALIGN_RING_DESC,
+       };
+
+       dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
+               .nb_max = I40E_MAX_RING_DESC,
+               .nb_min = I40E_MIN_RING_DESC,
+               .nb_align = I40E_ALIGN_RING_DESC,
+       };
+
+       dev_info->switch_info.name =
+               representor->adapter->eth_dev->device->name;
+       dev_info->switch_info.domain_id = representor->switch_domain_id;
+       dev_info->switch_info.port_id = representor->vf_id;
+}
+
+static int
+i40e_vf_representor_dev_configure(__rte_unused struct rte_eth_dev *dev)
+{
+       return 0;
+}
+
+static int
+i40e_vf_representor_dev_start(__rte_unused struct rte_eth_dev *dev)
+{
+       return 0;
+}
+
+static void
+i40e_vf_representor_dev_stop(__rte_unused struct rte_eth_dev *dev)
+{
+}
+
+static int
+i40e_vf_representor_rx_queue_setup(__rte_unused struct rte_eth_dev *dev,
+       __rte_unused uint16_t rx_queue_id,
+       __rte_unused uint16_t nb_rx_desc,
+       __rte_unused unsigned int socket_id,
+       __rte_unused const struct rte_eth_rxconf *rx_conf,
+       __rte_unused struct rte_mempool *mb_pool)
+{
+       return 0;
+}
+
+static int
+i40e_vf_representor_tx_queue_setup(__rte_unused struct rte_eth_dev *dev,
+       __rte_unused uint16_t rx_queue_id,
+       __rte_unused uint16_t nb_rx_desc,
+       __rte_unused unsigned int socket_id,
+       __rte_unused const struct rte_eth_txconf *tx_conf)
+{
+       return 0;
+}
+
+static void
+i40evf_stat_update_48(uint64_t *offset,
+                  uint64_t *stat)
+{
+       if (*stat >= *offset)
+               *stat = *stat - *offset;
+       else
+               *stat = (uint64_t)((*stat +
+                       ((uint64_t)1 << I40E_48_BIT_WIDTH)) - *offset);
+
+       *stat &= I40E_48_BIT_MASK;
+}
+
+static void
+i40evf_stat_update_32(uint64_t *offset,
+                  uint64_t *stat)
+{
+       if (*stat >= *offset)
+               *stat = (uint64_t)(*stat - *offset);
+       else
+               *stat = (uint64_t)((*stat +
+                       ((uint64_t)1 << I40E_32_BIT_WIDTH)) - *offset);
+}
+
+static int
+rte_pmd_i40e_get_vf_native_stats(uint16_t port,
+                         uint16_t vf_id,
+                         struct i40e_eth_stats *stats)
+{
+       struct rte_eth_dev *dev;
+       struct i40e_pf *pf;
+       struct i40e_vsi *vsi;
+
+       RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
+
+       dev = &rte_eth_devices[port];
+
+       if (!is_i40e_supported(dev))
+               return -ENOTSUP;
+
+       pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+
+       if (vf_id >= pf->vf_num || !pf->vfs) {
+               PMD_DRV_LOG(ERR, "Invalid VF ID.");
+               return -EINVAL;
+       }
+
+       vsi = pf->vfs[vf_id].vsi;
+       if (!vsi) {
+               PMD_DRV_LOG(ERR, "Invalid VSI.");
+               return -EINVAL;
+       }
+
+       i40e_update_vsi_stats(vsi);
+       memcpy(stats, &vsi->eth_stats, sizeof(vsi->eth_stats));
+
+       return 0;
+}
+
+static int
+i40e_vf_representor_stats_get(struct rte_eth_dev *ethdev,
+               struct rte_eth_stats *stats)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+       struct i40e_eth_stats native_stats;
+       int ret;
+
+       ret = rte_pmd_i40e_get_vf_native_stats(
+               representor->adapter->eth_dev->data->port_id,
+               representor->vf_id, &native_stats);
+       if (ret == 0) {
+               i40evf_stat_update_48(
+                       &representor->stats_offset.rx_bytes,
+                       &native_stats.rx_bytes);
+               i40evf_stat_update_48(
+                       &representor->stats_offset.rx_unicast,
+                       &native_stats.rx_unicast);
+               i40evf_stat_update_48(
+                       &representor->stats_offset.rx_multicast,
+                       &native_stats.rx_multicast);
+               i40evf_stat_update_48(
+                       &representor->stats_offset.rx_broadcast,
+                       &native_stats.rx_broadcast);
+               i40evf_stat_update_32(
+                       &representor->stats_offset.rx_discards,
+                       &native_stats.rx_discards);
+               i40evf_stat_update_32(
+                       &representor->stats_offset.rx_unknown_protocol,
+                       &native_stats.rx_unknown_protocol);
+               i40evf_stat_update_48(
+                       &representor->stats_offset.tx_bytes,
+                       &native_stats.tx_bytes);
+               i40evf_stat_update_48(
+                       &representor->stats_offset.tx_unicast,
+                       &native_stats.tx_unicast);
+               i40evf_stat_update_48(
+                       &representor->stats_offset.tx_multicast,
+                       &native_stats.tx_multicast);
+               i40evf_stat_update_48(
+                       &representor->stats_offset.tx_broadcast,
+                       &native_stats.tx_broadcast);
+               i40evf_stat_update_32(
+                       &representor->stats_offset.tx_errors,
+                       &native_stats.tx_errors);
+               i40evf_stat_update_32(
+                       &representor->stats_offset.tx_discards,
+                       &native_stats.tx_discards);
+
+               stats->ipackets = native_stats.rx_unicast +
+                       native_stats.rx_multicast +
+                       native_stats.rx_broadcast;
+               stats->opackets = native_stats.tx_unicast +
+                       native_stats.tx_multicast +
+                       native_stats.tx_broadcast;
+               stats->ibytes   = native_stats.rx_bytes;
+               stats->obytes   = native_stats.tx_bytes;
+               stats->ierrors  = native_stats.rx_discards;
+               stats->oerrors  = native_stats.tx_errors + native_stats.tx_discards;
+       }
+       return ret;
+}
+
+static void
+i40e_vf_representor_stats_reset(struct rte_eth_dev *ethdev)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+
+       rte_pmd_i40e_get_vf_native_stats(
+               representor->adapter->eth_dev->data->port_id,
+               representor->vf_id, &representor->stats_offset);
+}
+
+static void
+i40e_vf_representor_promiscuous_enable(struct rte_eth_dev *ethdev)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+
+       rte_pmd_i40e_set_vf_unicast_promisc(
+               representor->adapter->eth_dev->data->port_id,
+               representor->vf_id, 1);
+}
+
+static void
+i40e_vf_representor_promiscuous_disable(struct rte_eth_dev *ethdev)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+
+       rte_pmd_i40e_set_vf_unicast_promisc(
+               representor->adapter->eth_dev->data->port_id,
+               representor->vf_id, 0);
+}
+
+static void
+i40e_vf_representor_allmulticast_enable(struct rte_eth_dev *ethdev)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+
+       rte_pmd_i40e_set_vf_multicast_promisc(
+               representor->adapter->eth_dev->data->port_id,
+               representor->vf_id,  1);
+}
+
+static void
+i40e_vf_representor_allmulticast_disable(struct rte_eth_dev *ethdev)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+
+       rte_pmd_i40e_set_vf_multicast_promisc(
+               representor->adapter->eth_dev->data->port_id,
+               representor->vf_id,  0);
+}
+
+static void
+i40e_vf_representor_mac_addr_remove(struct rte_eth_dev *ethdev, uint32_t index)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+
+       rte_pmd_i40e_remove_vf_mac_addr(
+               representor->adapter->eth_dev->data->port_id,
+               representor->vf_id, &ethdev->data->mac_addrs[index]);
+}
+
+static int
+i40e_vf_representor_mac_addr_set(struct rte_eth_dev *ethdev,
+               struct ether_addr *mac_addr)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+
+       return rte_pmd_i40e_set_vf_mac_addr(
+               representor->adapter->eth_dev->data->port_id,
+               representor->vf_id, mac_addr);
+}
+
+static int
+i40e_vf_representor_vlan_filter_set(struct rte_eth_dev *ethdev,
+               uint16_t vlan_id, int on)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+       uint64_t vf_mask = 1ULL << representor->vf_id;
+
+       return rte_pmd_i40e_set_vf_vlan_filter(
+               representor->adapter->eth_dev->data->port_id,
+               vlan_id, vf_mask, on);
+}
+
+static int
+i40e_vf_representor_vlan_offload_set(struct rte_eth_dev *ethdev, int mask)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+       struct rte_eth_dev *pdev;
+       struct i40e_pf_vf *vf;
+       struct i40e_vsi *vsi;
+       struct i40e_pf *pf;
+       uint32_t vfid;
+
+       pdev = representor->adapter->eth_dev;
+       vfid = representor->vf_id;
+
+       if (!is_i40e_supported(pdev)) {
+               PMD_DRV_LOG(ERR, "Invalid PF dev.");
+               return -EINVAL;
+       }
+
+       pf = I40E_DEV_PRIVATE_TO_PF(pdev->data->dev_private);
+
+       if (vfid >= pf->vf_num || !pf->vfs) {
+               PMD_DRV_LOG(ERR, "Invalid VF ID.");
+               return -EINVAL;
+       }
+
+       vf = &pf->vfs[vfid];
+       vsi = vf->vsi;
+       if (!vsi) {
+               PMD_DRV_LOG(ERR, "Invalid VSI.");
+               return -EINVAL;
+       }
+
+       if (mask & ETH_VLAN_FILTER_MASK) {
+               /* Enable or disable VLAN filtering offload */
+               if (ethdev->data->dev_conf.rxmode.offloads &
+                   DEV_RX_OFFLOAD_VLAN_FILTER)
+                       return i40e_vsi_config_vlan_filter(vsi, TRUE);
+               else
+                       return i40e_vsi_config_vlan_filter(vsi, FALSE);
+       }
+
+       if (mask & ETH_VLAN_STRIP_MASK) {
+               /* Enable or disable VLAN stripping offload */
+               if (ethdev->data->dev_conf.rxmode.offloads &
+                   DEV_RX_OFFLOAD_VLAN_STRIP)
+                       return i40e_vsi_config_vlan_stripping(vsi, TRUE);
+               else
+                       return i40e_vsi_config_vlan_stripping(vsi, FALSE);
+       }
+
+       return -EINVAL;
+}
+
+static void
+i40e_vf_representor_vlan_strip_queue_set(struct rte_eth_dev *ethdev,
+       __rte_unused uint16_t rx_queue_id, int on)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+
+       rte_pmd_i40e_set_vf_vlan_stripq(
+               representor->adapter->eth_dev->data->port_id,
+               representor->vf_id, on);
+}
+
+static int
+i40e_vf_representor_vlan_pvid_set(struct rte_eth_dev *ethdev, uint16_t vlan_id,
+       __rte_unused int on)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+
+       return rte_pmd_i40e_set_vf_vlan_insert(
+               representor->adapter->eth_dev->data->port_id,
+               representor->vf_id, vlan_id);
+}
+
+struct eth_dev_ops i40e_representor_dev_ops = {
+       .dev_infos_get        = i40e_vf_representor_dev_infos_get,
+
+       .dev_start            = i40e_vf_representor_dev_start,
+       .dev_configure        = i40e_vf_representor_dev_configure,
+       .dev_stop             = i40e_vf_representor_dev_stop,
+
+       .rx_queue_setup       = i40e_vf_representor_rx_queue_setup,
+       .tx_queue_setup       = i40e_vf_representor_tx_queue_setup,
+
+       .link_update          = i40e_vf_representor_link_update,
+
+       .stats_get            = i40e_vf_representor_stats_get,
+       .stats_reset          = i40e_vf_representor_stats_reset,
+
+       .promiscuous_enable   = i40e_vf_representor_promiscuous_enable,
+       .promiscuous_disable  = i40e_vf_representor_promiscuous_disable,
+
+       .allmulticast_enable  = i40e_vf_representor_allmulticast_enable,
+       .allmulticast_disable = i40e_vf_representor_allmulticast_disable,
+
+       .mac_addr_remove      = i40e_vf_representor_mac_addr_remove,
+       .mac_addr_set         = i40e_vf_representor_mac_addr_set,
+
+       .vlan_filter_set      = i40e_vf_representor_vlan_filter_set,
+       .vlan_offload_set     = i40e_vf_representor_vlan_offload_set,
+       .vlan_strip_queue_set = i40e_vf_representor_vlan_strip_queue_set,
+       .vlan_pvid_set        = i40e_vf_representor_vlan_pvid_set
+
+};
+
+static uint16_t
+i40e_vf_representor_rx_burst(__rte_unused void *rx_queue,
+       __rte_unused struct rte_mbuf **rx_pkts, __rte_unused uint16_t nb_pkts)
+{
+       return 0;
+}
+
+static uint16_t
+i40e_vf_representor_tx_burst(__rte_unused void *tx_queue,
+       __rte_unused struct rte_mbuf **tx_pkts, __rte_unused uint16_t nb_pkts)
+{
+       return 0;
+}
+
+int
+i40e_vf_representor_init(struct rte_eth_dev *ethdev, void *init_params)
+{
+       struct i40e_vf_representor *representor = ethdev->data->dev_private;
+
+       struct i40e_pf *pf;
+       struct i40e_pf_vf *vf;
+       struct rte_eth_link *link;
+
+       representor->vf_id =
+               ((struct i40e_vf_representor *)init_params)->vf_id;
+       representor->switch_domain_id =
+               ((struct i40e_vf_representor *)init_params)->switch_domain_id;
+       representor->adapter =
+               ((struct i40e_vf_representor *)init_params)->adapter;
+
+       pf = I40E_DEV_PRIVATE_TO_PF(
+               representor->adapter->eth_dev->data->dev_private);
+
+       if (representor->vf_id >= pf->vf_num)
+               return -ENODEV;
+
+       /** representor shares the same driver as it's PF device */
+       ethdev->device->driver = representor->adapter->eth_dev->device->driver;
+
+       /* Set representor device ops */
+       ethdev->dev_ops = &i40e_representor_dev_ops;
+
+       /* No data-path, but need stub Rx/Tx functions to avoid crash
+        * when testing with the likes of testpmd.
+        */
+       ethdev->rx_pkt_burst = i40e_vf_representor_rx_burst;
+       ethdev->tx_pkt_burst = i40e_vf_representor_tx_burst;
+
+       vf = &pf->vfs[representor->vf_id];
+
+       if (!vf->vsi) {
+               PMD_DRV_LOG(ERR, "Invalid VSI.");
+               return -ENODEV;
+       }
+
+       ethdev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
+
+       /* Setting the number queues allocated to the VF */
+       ethdev->data->nb_rx_queues = vf->vsi->nb_qps;
+       ethdev->data->nb_tx_queues = vf->vsi->nb_qps;
+
+       ethdev->data->mac_addrs = &vf->mac_addr;
+
+       /* Link state. Inherited from PF */
+       link = &representor->adapter->eth_dev->data->dev_link;
+
+       ethdev->data->dev_link.link_speed = link->link_speed;
+       ethdev->data->dev_link.link_duplex = link->link_duplex;
+       ethdev->data->dev_link.link_status = link->link_status;
+       ethdev->data->dev_link.link_autoneg = link->link_autoneg;
+
+       return 0;
+}
+
+int
+i40e_vf_representor_uninit(struct rte_eth_dev *ethdev __rte_unused)
+{
+       return 0;
+}