(pos + PCI_MSIX_FLAGS));
return 0;
}
- return -1;
+ return -ENXIO;
}
static int
ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_UNICAST,
HNS3_MBX_MAC_VLAN_UC_MODIFY, addr_bytes,
- HNS3_TWO_ETHER_ADDR_LEN, false, NULL, 0);
+ HNS3_TWO_ETHER_ADDR_LEN, true, NULL, 0);
if (ret) {
- rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
- mac_addr);
- hns3_err(hw, "Failed to set mac addr(%s) for vf: %d", mac_str,
- ret);
+ /*
+ * The hns3 VF PMD driver depends on the hns3 PF kernel ethdev
+ * driver. When user has configured a MAC address for VF device
+ * by "ip link set ..." command based on the PF device, the hns3
+ * PF kernel ethdev driver does not allow VF driver to request
+ * reconfiguring a different default MAC address, and return
+ * -EPREM to VF driver through mailbox.
+ */
+ if (ret == -EPERM) {
+ rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
+ old_addr);
+ hns3_warn(hw, "Has permanet mac addr(%s) for vf",
+ mac_str);
+ } else {
+ rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
+ mac_addr);
+ hns3_err(hw, "Failed to set mac addr(%s) for vf: %d",
+ mac_str, ret);
+ }
}
rte_ether_addr_copy(mac_addr,
int ret;
/*
- * Hardware does not support where the number of rx and tx queues is
- * not equal in hip08.
+ * Hardware does not support individually enable/disable/reset the Tx or
+ * Rx queue in hns3 network engine. Driver must enable/disable/reset Tx
+ * and Rx queues at the same time. When the numbers of Tx queues
+ * allocated by upper applications are not equal to the numbers of Rx
+ * queues, driver needs to setup fake Tx or Rx queues to adjust numbers
+ * of Tx/Rx queues. otherwise, network engine can not work as usual. But
+ * these fake queues are imperceptible, and can not be used by upper
+ * applications.
*/
- if (nb_rx_q != nb_tx_q) {
- hns3_err(hw,
- "nb_rx_queues(%u) not equal with nb_tx_queues(%u)! "
- "Hardware does not support this configuration!",
- nb_rx_q, nb_tx_q);
- return -EINVAL;
+ ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q);
+ if (ret) {
+ hns3_err(hw, "Failed to set rx/tx fake queues: %d", ret);
+ return ret;
}
+ hw->adapter_state = HNS3_NIC_CONFIGURING;
if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
hns3_err(hw, "setting link speed/duplex not supported");
- return -EINVAL;
+ ret = -EINVAL;
+ goto cfg_err;
}
- hw->adapter_state = HNS3_NIC_CONFIGURING;
-
/* When RSS is not configured, redirect the packet queue 0 */
if ((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG) {
rss_conf = conf->rx_adv_conf.rss_conf;
return 0;
cfg_err:
+ (void)hns3_set_fake_rx_or_tx_queues(dev, 0, 0);
hw->adapter_state = HNS3_NIC_INITIALIZED;
+
return ret;
}
return 0;
}
+static int
+hns3vf_get_host_mac_addr(struct hns3_hw *hw)
+{
+ uint8_t host_mac[RTE_ETHER_ADDR_LEN];
+ int ret;
+
+ ret = hns3_send_mbx_msg(hw, HNS3_MBX_GET_MAC_ADDR, 0, NULL, 0,
+ true, host_mac, RTE_ETHER_ADDR_LEN);
+ if (ret) {
+ hns3_err(hw, "Failed to get mac addr from PF: %d", ret);
+ return ret;
+ }
+
+ memcpy(hw->mac.mac_addr, host_mac, RTE_ETHER_ADDR_LEN);
+
+ return 0;
+}
+
static int
hns3vf_get_configuration(struct hns3_hw *hw)
{
if (ret)
return ret;
+ /* Get user defined VF MAC addr from PF */
+ ret = hns3vf_get_host_mac_addr(hw);
+ if (ret)
+ return ret;
+
/* Get tc configuration from PF */
return hns3vf_get_tc_info(hw);
}
-static void
+static int
hns3vf_set_tc_info(struct hns3_adapter *hns)
{
struct hns3_hw *hw = &hns->hw;
uint16_t nb_rx_q = hw->data->nb_rx_queues;
- uint16_t new_tqps;
+ uint16_t nb_tx_q = hw->data->nb_tx_queues;
uint8_t i;
hw->num_tc = 0;
if (hw->hw_tc_map & BIT(i))
hw->num_tc++;
- new_tqps = RTE_MIN(hw->tqps_num, nb_rx_q);
- hw->alloc_rss_size = RTE_MIN(hw->rss_size_max, new_tqps / hw->num_tc);
- hw->alloc_tqps = hw->alloc_rss_size * hw->num_tc;
+ if (nb_rx_q < hw->num_tc) {
+ hns3_err(hw, "number of Rx queues(%d) is less than tcs(%d).",
+ nb_rx_q, hw->num_tc);
+ return -EINVAL;
+ }
+
+ if (nb_tx_q < hw->num_tc) {
+ hns3_err(hw, "number of Tx queues(%d) is less than tcs(%d).",
+ nb_tx_q, hw->num_tc);
+ return -EINVAL;
+ }
- hns3_tc_queue_mapping_cfg(hw);
+ hns3_set_rss_size(hw, nb_rx_q);
+ hns3_tc_queue_mapping_cfg(hw, nb_tx_q);
+
+ return 0;
}
static void
goto err_get_config;
}
- rte_eth_random_addr(hw->mac.mac_addr); /* Generate a random mac addr */
+ /*
+ * The hns3 PF ethdev driver in kernel support setting VF MAC address
+ * on the host by "ip link set ..." command. To avoid some incorrect
+ * scenes, for example, hns3 VF PMD driver fails to receive and send
+ * packets after user configure the MAC address by using the
+ * "ip link set ..." command, hns3 VF PMD driver keep the same MAC
+ * address strategy as the hns3 kernel ethdev driver in the
+ * initialization. If user configure a MAC address by the ip command
+ * for VF device, then hns3 VF PMD driver will start with it, otherwise
+ * start with a random MAC address in the initialization.
+ */
+ ret = rte_is_zero_ether_addr((struct rte_ether_addr *)hw->mac.mac_addr);
+ if (ret)
+ rte_eth_random_addr(hw->mac.mac_addr);
ret = hns3vf_clear_vport_list(hw);
if (ret) {
hns3_set_default_rss_args(hw);
- (void)hns3_stats_reset(eth_dev);
return 0;
err_get_config:
static void
hns3vf_unmap_rx_interrupt(struct rte_eth_dev *dev)
{
+ struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
uint8_t base = 0;
base = RTE_INTR_VEC_RXTX_OFFSET;
}
if (rte_intr_dp_is_en(intr_handle)) {
- for (q_id = 0; q_id < dev->data->nb_rx_queues; q_id++) {
+ for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
(void)hns3vf_bind_ring_with_vector(dev, vec, false,
q_id);
if (vec < base + intr_handle->nb_efd - 1)
struct hns3_hw *hw = &hns->hw;
int ret;
- hns3vf_set_tc_info(hns);
+ ret = hns3vf_set_tc_info(hns);
+ if (ret)
+ return ret;
ret = hns3_start_queues(hns, reset_queue);
if (ret) {
/* check and configure queue intr-vector mapping */
if (rte_intr_cap_multiple(intr_handle) ||
- !RTE_ETH_DEV_SRIOV(dev).active) {
- intr_vector = dev->data->nb_rx_queues;
+ !RTE_ETH_DEV_SRIOV(dev).active) {
+ intr_vector = hw->used_rx_queues;
/* It creates event fd for each intr vector when MSIX is used */
if (rte_intr_efd_enable(intr_handle, intr_vector))
return -EINVAL;
if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
intr_handle->intr_vec =
rte_zmalloc("intr_vec",
- dev->data->nb_rx_queues * sizeof(int), 0);
+ hw->used_rx_queues * sizeof(int), 0);
if (intr_handle->intr_vec == NULL) {
hns3_err(hw, "Failed to allocate %d rx_queues"
- " intr_vec", dev->data->nb_rx_queues);
+ " intr_vec", hw->used_rx_queues);
ret = -ENOMEM;
goto vf_alloc_intr_vec_error;
}
base = RTE_INTR_VEC_RXTX_OFFSET;
}
if (rte_intr_dp_is_en(intr_handle)) {
- for (q_id = 0; q_id < dev->data->nb_rx_queues; q_id++) {
+ for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
ret = hns3vf_bind_ring_with_vector(dev, vec, true,
q_id);
if (ret)
{
struct hns3_adapter *hns = dev->data->dev_private;
struct hns3_hw *hw = &hns->hw;
- int ret = 0;
+ int ret;
PMD_INIT_FUNC_TRACE();
if (rte_atomic16_read(&hw->reset.resetting))
hns3_set_rxtx_function(dev);
hns3_mp_req_start_rxtx(dev);
rte_eal_alarm_set(HNS3VF_SERVICE_INTERVAL, hns3vf_service_handler, dev);
+
return ret;
}
struct rte_eth_dev *eth_dev;
eth_dev = &rte_eth_devices[hw->data->port_id];
- rte_eal_alarm_cancel(hns3vf_service_handler, eth_dev);
+ if (hw->adapter_state == HNS3_NIC_STARTED)
+ rte_eal_alarm_cancel(hns3vf_service_handler, eth_dev);
hw->mac.link_status = ETH_LINK_DOWN;
hns3_set_rxtx_function(eth_dev);
eth_dev = &rte_eth_devices[hw->data->port_id];
hns3_set_rxtx_function(eth_dev);
hns3_mp_req_start_rxtx(eth_dev);
+ if (hw->adapter_state == HNS3_NIC_STARTED)
+ hns3vf_service_handler(eth_dev);
+
+ return 0;
+}
+
+static int
+hns3vf_check_default_mac_change(struct hns3_hw *hw)
+{
+ char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
+ struct rte_ether_addr *hw_mac;
+ int ret;
+
+ /*
+ * The hns3 PF ethdev driver in kernel support setting VF MAC address
+ * on the host by "ip link set ..." command. If the hns3 PF kernel
+ * ethdev driver sets the MAC address for VF device after the
+ * initialization of the related VF device, the PF driver will notify
+ * VF driver to reset VF device to make the new MAC address effective
+ * immediately. The hns3 VF PMD driver should check whether the MAC
+ * address has been changed by the PF kernel ethdev driver, if changed
+ * VF driver should configure hardware using the new MAC address in the
+ * recovering hardware configuration stage of the reset process.
+ */
+ ret = hns3vf_get_host_mac_addr(hw);
+ if (ret)
+ return ret;
+
+ hw_mac = (struct rte_ether_addr *)hw->mac.mac_addr;
+ ret = rte_is_zero_ether_addr(hw_mac);
+ if (ret) {
+ rte_ether_addr_copy(&hw->data->mac_addrs[0], hw_mac);
+ } else {
+ ret = rte_is_same_ether_addr(&hw->data->mac_addrs[0], hw_mac);
+ if (!ret) {
+ rte_ether_addr_copy(hw_mac, &hw->data->mac_addrs[0]);
+ rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
+ &hw->data->mac_addrs[0]);
+ hns3_warn(hw, "Default MAC address has been changed to:"
+ " %s by the host PF kernel ethdev driver",
+ mac_str);
+ }
+ }
- hns3vf_service_handler(eth_dev);
return 0;
}
struct hns3_hw *hw = &hns->hw;
int ret;
+ ret = hns3vf_check_default_mac_change(hw);
+ if (ret)
+ return ret;
+
ret = hns3vf_configure_mac_addr(hns, false);
if (ret)
return ret;