#include <stdint.h>
#include <inttypes.h>
#include <unistd.h>
+#include <rte_atomic.h>
#include <rte_bus_pci.h>
#include <rte_common.h>
#include <rte_cycles.h>
#include "hns3_intr.h"
#include "hns3_regs.h"
#include "hns3_dcb.h"
+#include "hns3_mp.h"
#define HNS3_DEFAULT_PORT_CONF_BURST_SIZE 32
#define HNS3_DEFAULT_PORT_CONF_QUEUES_NUM 1
#define HNS3_FILTER_FE_INGRESS (HNS3_FILTER_FE_NIC_INGRESS_B \
| HNS3_FILTER_FE_ROCE_INGRESS_B)
+/* Reset related Registers */
+#define HNS3_GLOBAL_RESET_BIT 0
+#define HNS3_CORE_RESET_BIT 1
+#define HNS3_IMP_RESET_BIT 2
+#define HNS3_FUN_RST_ING_B 0
+
+#define HNS3_VECTOR0_IMP_RESET_INT_B 1
+
+#define HNS3_RESET_WAIT_MS 100
+#define HNS3_RESET_WAIT_CNT 200
+
int hns3_logtype_init;
int hns3_logtype_driver;
HNS3_VECTOR0_EVENT_OTHER,
};
+static enum hns3_reset_level hns3_get_reset_level(struct hns3_adapter *hns,
+ uint64_t *levels);
static int hns3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
static int hns3_vlan_pvid_configure(struct hns3_adapter *hns, uint16_t pvid,
int on);
* from H/W just for the mailbox.
*/
if (BIT(HNS3_VECTOR0_IMPRESET_INT_B) & vector0_int_stats) { /* IMP */
+ rte_atomic16_set(&hw->reset.disable_cmd, 1);
+ hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
val = BIT(HNS3_VECTOR0_IMPRESET_INT_B);
+ if (clearval) {
+ hw->reset.stats.imp_cnt++;
+ hns3_warn(hw, "IMP reset detected, clear reset status");
+ } else {
+ hns3_schedule_delayed_reset(hns);
+ hns3_warn(hw, "IMP reset detected, don't clear reset status");
+ }
+
ret = HNS3_VECTOR0_EVENT_RST;
goto out;
}
/* Global reset */
if (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) & vector0_int_stats) {
+ rte_atomic16_set(&hw->reset.disable_cmd, 1);
+ hns3_atomic_set_bit(HNS3_GLOBAL_RESET, &hw->reset.pending);
val = BIT(HNS3_VECTOR0_GLOBALRESET_INT_B);
+ if (clearval) {
+ hw->reset.stats.global_cnt++;
+ hns3_warn(hw, "Global reset detected, clear reset status");
+ } else {
+ hns3_schedule_delayed_reset(hns);
+ hns3_warn(hw, "Global reset detected, don't clear reset status");
+ }
+
ret = HNS3_VECTOR0_EVENT_RST;
goto out;
}
event_cause = hns3_check_event_cause(hns, &clearval);
+ /* vector 0 interrupt is shared with reset and mailbox source events. */
+ if (event_cause == HNS3_VECTOR0_EVENT_ERR) {
+ hns3_handle_msix_error(hns, &hw->reset.request);
+ hns3_schedule_reset(hns);
+ } else if (event_cause == HNS3_VECTOR0_EVENT_RST)
+ hns3_schedule_reset(hns);
+ else
+ hns3_err(hw, "Received unknown event");
+
hns3_clear_event_cause(hw, event_cause, clearval);
/* Enable interrupt if it is not cause by reset */
hns3_pf_enable_irq0(hw);
struct hns3_hw *hw = &hns->hw;
struct hns3_pf *pf = &hns->pf;
+ LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
+ if (vlan_entry->vlan_id == vlan_id)
+ return;
+ }
+
vlan_entry = rte_zmalloc("hns3_vlan_tbl", sizeof(*vlan_entry), 0);
if (vlan_entry == NULL) {
hns3_err(hw, "Failed to malloc hns3 vlan table");
LIST_INSERT_HEAD(&pf->vlan_list, vlan_entry, next);
}
+static int
+hns3_restore_vlan_table(struct hns3_adapter *hns)
+{
+ struct hns3_user_vlan_table *vlan_entry;
+ struct hns3_pf *pf = &hns->pf;
+ uint16_t vlan_id;
+ int ret = 0;
+
+ if (pf->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_ENABLE) {
+ ret = hns3_vlan_pvid_configure(hns, pf->port_base_vlan_cfg.pvid,
+ 1);
+ return ret;
+ }
+
+ LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
+ if (vlan_entry->hd_tbl_status) {
+ vlan_id = vlan_entry->vlan_id;
+ ret = hns3_set_port_vlan_filter(hns, vlan_id, 1);
+ if (ret)
+ break;
+ }
+ }
+
+ return ret;
+}
+
static int
hns3_vlan_filter_configure(struct hns3_adapter *hns, uint16_t vlan_id, int on)
{
return hns3_default_vlan_config(hns);
}
+static int
+hns3_restore_vlan_conf(struct hns3_adapter *hns)
+{
+ struct hns3_pf *pf = &hns->pf;
+ struct hns3_hw *hw = &hns->hw;
+ int ret;
+
+ ret = hns3_set_vlan_rx_offload_cfg(hns, &pf->vtag_config.rx_vcfg);
+ if (ret) {
+ hns3_err(hw, "hns3 restore vlan rx conf fail, ret =%d", ret);
+ return ret;
+ }
+
+ ret = hns3_set_vlan_tx_offload_cfg(hns, &pf->vtag_config.tx_vcfg);
+ if (ret)
+ hns3_err(hw, "hns3 restore vlan tx conf fail, ret =%d", ret);
+
+ return ret;
+}
+
static int
hns3_dev_configure_vlan(struct rte_eth_dev *dev)
{
return hns3_check_mq_mode(dev);
}
+static int
+hns3_bind_ring_with_vector(struct rte_eth_dev *dev, uint8_t vector_id,
+ bool mmap, uint16_t queue_id)
+{
+ struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct hns3_cmd_desc desc;
+ struct hns3_ctrl_vector_chain_cmd *req =
+ (struct hns3_ctrl_vector_chain_cmd *)desc.data;
+ enum hns3_cmd_status status;
+ enum hns3_opcode_type op;
+ uint16_t tqp_type_and_id = 0;
+
+ op = mmap ? HNS3_OPC_ADD_RING_TO_VECTOR : HNS3_OPC_DEL_RING_TO_VECTOR;
+ hns3_cmd_setup_basic_desc(&desc, op, false);
+ req->int_vector_id = vector_id;
+
+ hns3_set_field(tqp_type_and_id, HNS3_INT_TYPE_M, HNS3_INT_TYPE_S,
+ HNS3_RING_TYPE_RX);
+ hns3_set_field(tqp_type_and_id, HNS3_TQP_ID_M, HNS3_TQP_ID_S, queue_id);
+ hns3_set_field(tqp_type_and_id, HNS3_INT_GL_IDX_M, HNS3_INT_GL_IDX_S,
+ HNS3_RING_GL_RX);
+ req->tqp_type_and_id[0] = rte_cpu_to_le_16(tqp_type_and_id);
+
+ req->int_cause_num = 1;
+ status = hns3_cmd_send(hw, &desc, 1);
+ if (status) {
+ hns3_err(hw, "Map TQP %d fail, vector_id is %d, status is %d.",
+ queue_id, vector_id, status);
+ return -EIO;
+ }
+
+ return 0;
+}
+
static int
hns3_dev_configure(struct rte_eth_dev *dev)
{
return ret;
}
+static int
+hns3_dev_promisc_restore(struct hns3_adapter *hns)
+{
+ struct hns3_hw *hw = &hns->hw;
+ bool en_mc_pmc;
+ bool en_uc_pmc;
+
+ en_uc_pmc = (hw->data->promiscuous == 1) ? true : false;
+ en_mc_pmc = (hw->data->all_multicast == 1) ? true : false;
+
+ return hns3_set_promisc_mode(hw, en_uc_pmc, en_mc_pmc);
+}
+
static int
hns3_get_sfp_speed(struct hns3_hw *hw, uint32_t *speed)
{
struct hns3_adapter *hns = eth_dev->data->dev_private;
struct hns3_hw *hw = &hns->hw;
- hns3_update_speed_duplex(eth_dev);
- hns3_update_link_status(hw);
+ if (!hns3_is_reset_pending(hns)) {
+ hns3_update_speed_duplex(eth_dev);
+ hns3_update_link_status(hw);
+ } else
+ hns3_warn(hw, "Cancel the query when reset is pending");
rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, eth_dev);
}
}
static int
-hns3_dev_start(struct rte_eth_dev *eth_dev)
+hns3_map_rx_interrupt(struct rte_eth_dev *dev)
{
- struct hns3_adapter *hns = eth_dev->data->dev_private;
- struct hns3_hw *hw = &hns->hw;
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+ struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+ struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ uint32_t intr_vector;
+ uint8_t base = 0;
+ uint8_t vec = 0;
+ uint16_t q_id;
int ret;
+ if (dev->data->dev_conf.intr_conf.rxq == 0)
+ return 0;
+
+ /* disable uio/vfio intr/eventfd mapping */
+ rte_intr_disable(intr_handle);
+
+ /* 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;
+ /* 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);
+ if (intr_handle->intr_vec == NULL) {
+ hns3_err(hw, "Failed to allocate %d rx_queues"
+ " intr_vec", dev->data->nb_rx_queues);
+ ret = -ENOMEM;
+ goto alloc_intr_vec_error;
+ }
+ }
+
+ if (rte_intr_allow_others(intr_handle)) {
+ vec = RTE_INTR_VEC_RXTX_OFFSET;
+ 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++) {
+ ret = hns3_bind_ring_with_vector(dev, vec, true, q_id);
+ if (ret)
+ goto bind_vector_error;
+ intr_handle->intr_vec[q_id] = vec;
+ if (vec < base + intr_handle->nb_efd - 1)
+ vec++;
+ }
+ }
+ rte_intr_enable(intr_handle);
+ return 0;
+
+bind_vector_error:
+ rte_intr_efd_disable(intr_handle);
+ if (intr_handle->intr_vec) {
+ free(intr_handle->intr_vec);
+ intr_handle->intr_vec = NULL;
+ }
+ return ret;
+alloc_intr_vec_error:
+ rte_intr_efd_disable(intr_handle);
+ return ret;
+}
+
+static int
+hns3_dev_start(struct rte_eth_dev *dev)
+{
+ struct hns3_adapter *hns = dev->data->dev_private;
+ struct hns3_hw *hw = &hns->hw;
+ int ret = 0;
+
PMD_INIT_FUNC_TRACE();
+ if (rte_atomic16_read(&hw->reset.resetting))
+ return -EBUSY;
rte_spinlock_lock(&hw->lock);
hw->adapter_state = HNS3_NIC_STARTING;
hw->adapter_state = HNS3_NIC_STARTED;
rte_spinlock_unlock(&hw->lock);
- hns3_set_rxtx_function(eth_dev);
+
+ ret = hns3_map_rx_interrupt(dev);
+ if (ret)
+ return ret;
+ hns3_set_rxtx_function(dev);
+ hns3_mp_req_start_rxtx(dev);
hns3_info(hw, "hns3 dev start successful!");
return 0;
return ret;
hw->mac.link_status = ETH_LINK_DOWN;
- hns3_configure_all_mac_addr(hns, true);
- reset_queue = true;
+ if (rte_atomic16_read(&hw->reset.disable_cmd) == 0) {
+ hns3_configure_all_mac_addr(hns, true);
+ reset_queue = true;
+ } else
+ reset_queue = false;
hw->mac.default_addr_setted = false;
return hns3_stop_queues(hns, reset_queue);
}
static void
-hns3_dev_stop(struct rte_eth_dev *eth_dev)
+hns3_unmap_rx_interrupt(struct rte_eth_dev *dev)
{
- struct hns3_adapter *hns = eth_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;
+ uint8_t vec = 0;
+ uint16_t q_id;
+
+ if (dev->data->dev_conf.intr_conf.rxq == 0)
+ return;
+
+ /* unmap the ring with vector */
+ if (rte_intr_allow_others(intr_handle)) {
+ vec = RTE_INTR_VEC_RXTX_OFFSET;
+ 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++) {
+ (void)hns3_bind_ring_with_vector(dev, vec, false, q_id);
+ if (vec < base + intr_handle->nb_efd - 1)
+ vec++;
+ }
+ }
+ /* Clean datapath event and queue/vec mapping */
+ rte_intr_efd_disable(intr_handle);
+ if (intr_handle->intr_vec) {
+ rte_free(intr_handle->intr_vec);
+ intr_handle->intr_vec = NULL;
+ }
+}
+
+static void
+hns3_dev_stop(struct rte_eth_dev *dev)
+{
+ struct hns3_adapter *hns = dev->data->dev_private;
struct hns3_hw *hw = &hns->hw;
PMD_INIT_FUNC_TRACE();
hw->adapter_state = HNS3_NIC_STOPPING;
- hns3_set_rxtx_function(eth_dev);
+ hns3_set_rxtx_function(dev);
+ rte_wmb();
+ /* Disable datapath on secondary process. */
+ hns3_mp_req_stop_rxtx(dev);
+ /* Prevent crashes when queues are still in use. */
+ rte_delay_ms(hw->tqps_num);
rte_spinlock_lock(&hw->lock);
-
- hns3_do_stop(hns);
- hns3_dev_release_mbufs(hns);
- hw->adapter_state = HNS3_NIC_CONFIGURED;
+ if (rte_atomic16_read(&hw->reset.resetting) == 0) {
+ hns3_do_stop(hns);
+ hns3_dev_release_mbufs(hns);
+ hw->adapter_state = HNS3_NIC_CONFIGURED;
+ }
rte_spinlock_unlock(&hw->lock);
+ hns3_unmap_rx_interrupt(dev);
}
static void
struct hns3_adapter *hns = eth_dev->data->dev_private;
struct hns3_hw *hw = &hns->hw;
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ rte_free(eth_dev->process_private);
+ eth_dev->process_private = NULL;
+ return;
+ }
+
if (hw->adapter_state == HNS3_NIC_STARTED)
hns3_dev_stop(eth_dev);
hw->adapter_state = HNS3_NIC_CLOSING;
+ hns3_reset_abort(hns);
+ hw->adapter_state = HNS3_NIC_CLOSED;
rte_eal_alarm_cancel(hns3_service_handler, eth_dev);
hns3_configure_all_mc_mac_addr(hns, true);
hns3_vlan_txvlan_cfg(hns, HNS3_PORT_BASE_VLAN_DISABLE, 0);
hns3_uninit_pf(eth_dev);
hns3_free_all_queues(eth_dev);
+ rte_free(hw->reset.wait_data);
rte_free(eth_dev->process_private);
eth_dev->process_private = NULL;
- hw->adapter_state = HNS3_NIC_CLOSED;
+ hns3_mp_uninit_primary();
hns3_warn(hw, "Close port %d finished", hw->data->port_id);
}
return 0;
}
+static int
+hns3_reinit_dev(struct hns3_adapter *hns)
+{
+ struct hns3_hw *hw = &hns->hw;
+ int ret;
+
+ ret = hns3_cmd_init(hw);
+ if (ret) {
+ hns3_err(hw, "Failed to init cmd: %d", ret);
+ return ret;
+ }
+
+ ret = hns3_reset_all_queues(hns);
+ if (ret) {
+ hns3_err(hw, "Failed to reset all queues: %d", ret);
+ goto err_init;
+ }
+
+ ret = hns3_init_hardware(hns);
+ if (ret) {
+ hns3_err(hw, "Failed to init hardware: %d", ret);
+ goto err_init;
+ }
+
+ ret = hns3_enable_hw_error_intr(hns, true);
+ if (ret) {
+ hns3_err(hw, "fail to enable hw error interrupts: %d",
+ ret);
+ goto err_mac_init;
+ }
+ hns3_info(hw, "Reset done, driver initialization finished.");
+
+ return 0;
+
+err_mac_init:
+ hns3_uninit_umv_space(hw);
+err_init:
+ hns3_cmd_uninit(hw);
+
+ return ret;
+}
+
+static bool
+is_pf_reset_done(struct hns3_hw *hw)
+{
+ uint32_t val, reg, reg_bit;
+
+ switch (hw->reset.level) {
+ case HNS3_IMP_RESET:
+ reg = HNS3_GLOBAL_RESET_REG;
+ reg_bit = HNS3_IMP_RESET_BIT;
+ break;
+ case HNS3_GLOBAL_RESET:
+ reg = HNS3_GLOBAL_RESET_REG;
+ reg_bit = HNS3_GLOBAL_RESET_BIT;
+ break;
+ case HNS3_FUNC_RESET:
+ reg = HNS3_FUN_RST_ING;
+ reg_bit = HNS3_FUN_RST_ING_B;
+ break;
+ case HNS3_FLR_RESET:
+ default:
+ hns3_err(hw, "Wait for unsupported reset level: %d",
+ hw->reset.level);
+ return true;
+ }
+ val = hns3_read_dev(hw, reg);
+ if (hns3_get_bit(val, reg_bit))
+ return false;
+ else
+ return true;
+}
+
+bool
+hns3_is_reset_pending(struct hns3_adapter *hns)
+{
+ struct hns3_hw *hw = &hns->hw;
+ enum hns3_reset_level reset;
+
+ hns3_check_event_cause(hns, NULL);
+ reset = hns3_get_reset_level(hns, &hw->reset.pending);
+ if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
+ hns3_warn(hw, "High level reset %d is pending", reset);
+ return true;
+ }
+ reset = hns3_get_reset_level(hns, &hw->reset.request);
+ if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
+ hns3_warn(hw, "High level reset %d is request", reset);
+ return true;
+ }
+ return false;
+}
+
+static int
+hns3_wait_hardware_ready(struct hns3_adapter *hns)
+{
+ struct hns3_hw *hw = &hns->hw;
+ struct hns3_wait_data *wait_data = hw->reset.wait_data;
+ struct timeval tv;
+
+ if (wait_data->result == HNS3_WAIT_SUCCESS)
+ return 0;
+ else if (wait_data->result == HNS3_WAIT_TIMEOUT) {
+ gettimeofday(&tv, NULL);
+ hns3_warn(hw, "Reset step4 hardware not ready after reset time=%ld.%.6ld",
+ tv.tv_sec, tv.tv_usec);
+ return -ETIME;
+ } else if (wait_data->result == HNS3_WAIT_REQUEST)
+ return -EAGAIN;
+
+ wait_data->hns = hns;
+ wait_data->check_completion = is_pf_reset_done;
+ wait_data->end_ms = (uint64_t)HNS3_RESET_WAIT_CNT *
+ HNS3_RESET_WAIT_MS + get_timeofday_ms();
+ wait_data->interval = HNS3_RESET_WAIT_MS * USEC_PER_MSEC;
+ wait_data->count = HNS3_RESET_WAIT_CNT;
+ wait_data->result = HNS3_WAIT_REQUEST;
+ rte_eal_alarm_set(wait_data->interval, hns3_wait_callback, wait_data);
+ return -EAGAIN;
+}
+
+static int
+hns3_func_reset_cmd(struct hns3_hw *hw, int func_id)
+{
+ struct hns3_cmd_desc desc;
+ struct hns3_reset_cmd *req = (struct hns3_reset_cmd *)desc.data;
+
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_RST_TRIGGER, false);
+ hns3_set_bit(req->mac_func_reset, HNS3_CFG_RESET_FUNC_B, 1);
+ req->fun_reset_vfid = func_id;
+
+ return hns3_cmd_send(hw, &desc, 1);
+}
+
+static int
+hns3_imp_reset_cmd(struct hns3_hw *hw)
+{
+ struct hns3_cmd_desc desc;
+
+ hns3_cmd_setup_basic_desc(&desc, 0xFFFE, false);
+ desc.data[0] = 0xeedd;
+
+ return hns3_cmd_send(hw, &desc, 1);
+}
+
+static void
+hns3_msix_process(struct hns3_adapter *hns, enum hns3_reset_level reset_level)
+{
+ struct hns3_hw *hw = &hns->hw;
+ struct timeval tv;
+ uint32_t val;
+
+ gettimeofday(&tv, NULL);
+ if (hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG) ||
+ hns3_read_dev(hw, HNS3_FUN_RST_ING)) {
+ hns3_warn(hw, "Don't process msix during resetting time=%ld.%.6ld",
+ tv.tv_sec, tv.tv_usec);
+ return;
+ }
+
+ switch (reset_level) {
+ case HNS3_IMP_RESET:
+ hns3_imp_reset_cmd(hw);
+ hns3_warn(hw, "IMP Reset requested time=%ld.%.6ld",
+ tv.tv_sec, tv.tv_usec);
+ break;
+ case HNS3_GLOBAL_RESET:
+ val = hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG);
+ hns3_set_bit(val, HNS3_GLOBAL_RESET_BIT, 1);
+ hns3_write_dev(hw, HNS3_GLOBAL_RESET_REG, val);
+ hns3_warn(hw, "Global Reset requested time=%ld.%.6ld",
+ tv.tv_sec, tv.tv_usec);
+ break;
+ case HNS3_FUNC_RESET:
+ hns3_warn(hw, "PF Reset requested time=%ld.%.6ld",
+ tv.tv_sec, tv.tv_usec);
+ /* schedule again to check later */
+ hns3_atomic_set_bit(HNS3_FUNC_RESET, &hw->reset.pending);
+ hns3_schedule_reset(hns);
+ break;
+ default:
+ hns3_warn(hw, "Unsupported reset level: %d", reset_level);
+ return;
+ }
+ hns3_atomic_clear_bit(reset_level, &hw->reset.request);
+}
+
+static enum hns3_reset_level
+hns3_get_reset_level(struct hns3_adapter *hns, uint64_t *levels)
+{
+ struct hns3_hw *hw = &hns->hw;
+ enum hns3_reset_level reset_level = HNS3_NONE_RESET;
+
+ /* Return the highest priority reset level amongst all */
+ if (hns3_atomic_test_bit(HNS3_IMP_RESET, levels))
+ reset_level = HNS3_IMP_RESET;
+ else if (hns3_atomic_test_bit(HNS3_GLOBAL_RESET, levels))
+ reset_level = HNS3_GLOBAL_RESET;
+ else if (hns3_atomic_test_bit(HNS3_FUNC_RESET, levels))
+ reset_level = HNS3_FUNC_RESET;
+ else if (hns3_atomic_test_bit(HNS3_FLR_RESET, levels))
+ reset_level = HNS3_FLR_RESET;
+
+ if (hw->reset.level != HNS3_NONE_RESET && reset_level < hw->reset.level)
+ return HNS3_NONE_RESET;
+
+ return reset_level;
+}
+
+static int
+hns3_prepare_reset(struct hns3_adapter *hns)
+{
+ struct hns3_hw *hw = &hns->hw;
+ uint32_t reg_val;
+ int ret;
+
+ switch (hw->reset.level) {
+ case HNS3_FUNC_RESET:
+ ret = hns3_func_reset_cmd(hw, 0);
+ if (ret)
+ return ret;
+
+ /*
+ * After performaning pf reset, it is not necessary to do the
+ * mailbox handling or send any command to firmware, because
+ * any mailbox handling or command to firmware is only valid
+ * after hns3_cmd_init is called.
+ */
+ rte_atomic16_set(&hw->reset.disable_cmd, 1);
+ hw->reset.stats.request_cnt++;
+ break;
+ case HNS3_IMP_RESET:
+ reg_val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
+ hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val |
+ BIT(HNS3_VECTOR0_IMP_RESET_INT_B));
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static int
+hns3_set_rst_done(struct hns3_hw *hw)
+{
+ struct hns3_pf_rst_done_cmd *req;
+ struct hns3_cmd_desc desc;
+
+ req = (struct hns3_pf_rst_done_cmd *)desc.data;
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_PF_RST_DONE, false);
+ req->pf_rst_done |= HNS3_PF_RESET_DONE_BIT;
+ return hns3_cmd_send(hw, &desc, 1);
+}
+
+static int
+hns3_stop_service(struct hns3_adapter *hns)
+{
+ struct hns3_hw *hw = &hns->hw;
+ struct rte_eth_dev *eth_dev;
+
+ eth_dev = &rte_eth_devices[hw->data->port_id];
+ rte_eal_alarm_cancel(hns3_service_handler, eth_dev);
+ hw->mac.link_status = ETH_LINK_DOWN;
+
+ hns3_set_rxtx_function(eth_dev);
+ rte_wmb();
+ /* Disable datapath on secondary process. */
+ hns3_mp_req_stop_rxtx(eth_dev);
+ rte_delay_ms(hw->tqps_num);
+
+ rte_spinlock_lock(&hw->lock);
+ if (hns->hw.adapter_state == HNS3_NIC_STARTED ||
+ hw->adapter_state == HNS3_NIC_STOPPING) {
+ hns3_do_stop(hns);
+ hw->reset.mbuf_deferred_free = true;
+ } else
+ hw->reset.mbuf_deferred_free = false;
+
+ /*
+ * It is cumbersome for hardware to pick-and-choose entries for deletion
+ * from table space. Hence, for function reset software intervention is
+ * required to delete the entries
+ */
+ if (rte_atomic16_read(&hw->reset.disable_cmd) == 0)
+ hns3_configure_all_mc_mac_addr(hns, true);
+ rte_spinlock_unlock(&hw->lock);
+
+ return 0;
+}
+
+static int
+hns3_start_service(struct hns3_adapter *hns)
+{
+ struct hns3_hw *hw = &hns->hw;
+ struct rte_eth_dev *eth_dev;
+
+ if (hw->reset.level == HNS3_IMP_RESET ||
+ hw->reset.level == HNS3_GLOBAL_RESET)
+ hns3_set_rst_done(hw);
+ eth_dev = &rte_eth_devices[hw->data->port_id];
+ hns3_set_rxtx_function(eth_dev);
+ hns3_mp_req_start_rxtx(eth_dev);
+ hns3_service_handler(eth_dev);
+ return 0;
+}
+
+static int
+hns3_restore_conf(struct hns3_adapter *hns)
+{
+ struct hns3_hw *hw = &hns->hw;
+ int ret;
+
+ ret = hns3_configure_all_mac_addr(hns, false);
+ if (ret)
+ return ret;
+
+ ret = hns3_configure_all_mc_mac_addr(hns, false);
+ if (ret)
+ goto err_mc_mac;
+
+ ret = hns3_dev_promisc_restore(hns);
+ if (ret)
+ goto err_promisc;
+
+ ret = hns3_restore_vlan_table(hns);
+ if (ret)
+ goto err_promisc;
+
+ ret = hns3_restore_vlan_conf(hns);
+ if (ret)
+ goto err_promisc;
+
+ ret = hns3_restore_all_fdir_filter(hns);
+ if (ret)
+ goto err_promisc;
+
+ if (hns->hw.adapter_state == HNS3_NIC_STARTED) {
+ ret = hns3_do_start(hns, false);
+ if (ret)
+ goto err_promisc;
+ hns3_info(hw, "hns3 dev restart successful!");
+ } else if (hw->adapter_state == HNS3_NIC_STOPPING)
+ hw->adapter_state = HNS3_NIC_CONFIGURED;
+ return 0;
+
+err_promisc:
+ hns3_configure_all_mc_mac_addr(hns, true);
+err_mc_mac:
+ hns3_configure_all_mac_addr(hns, true);
+ return ret;
+}
+
+static void
+hns3_reset_service(void *param)
+{
+ struct hns3_adapter *hns = (struct hns3_adapter *)param;
+ struct hns3_hw *hw = &hns->hw;
+ enum hns3_reset_level reset_level;
+ struct timeval tv_delta;
+ struct timeval tv_start;
+ struct timeval tv;
+ uint64_t msec;
+ int ret;
+
+ /*
+ * The interrupt is not triggered within the delay time.
+ * The interrupt may have been lost. It is necessary to handle
+ * the interrupt to recover from the error.
+ */
+ if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_DEFERRED) {
+ rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_REQUESTED);
+ hns3_err(hw, "Handling interrupts in delayed tasks");
+ hns3_interrupt_handler(&rte_eth_devices[hw->data->port_id]);
+ reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
+ if (reset_level == HNS3_NONE_RESET) {
+ hns3_err(hw, "No reset level is set, try IMP reset");
+ hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
+ }
+ }
+ rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_NONE);
+
+ /*
+ * Check if there is any ongoing reset in the hardware. This status can
+ * be checked from reset_pending. If there is then, we need to wait for
+ * hardware to complete reset.
+ * a. If we are able to figure out in reasonable time that hardware
+ * has fully resetted then, we can proceed with driver, client
+ * reset.
+ * b. else, we can come back later to check this status so re-sched
+ * now.
+ */
+ reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
+ if (reset_level != HNS3_NONE_RESET) {
+ gettimeofday(&tv_start, NULL);
+ ret = hns3_reset_process(hns, reset_level);
+ gettimeofday(&tv, NULL);
+ timersub(&tv, &tv_start, &tv_delta);
+ msec = tv_delta.tv_sec * MSEC_PER_SEC +
+ tv_delta.tv_usec / USEC_PER_MSEC;
+ if (msec > HNS3_RESET_PROCESS_MS)
+ hns3_err(hw, "%d handle long time delta %" PRIx64
+ " ms time=%ld.%.6ld",
+ hw->reset.level, msec,
+ tv.tv_sec, tv.tv_usec);
+ if (ret == -EAGAIN)
+ return;
+ }
+
+ /* Check if we got any *new* reset requests to be honored */
+ reset_level = hns3_get_reset_level(hns, &hw->reset.request);
+ if (reset_level != HNS3_NONE_RESET)
+ hns3_msix_process(hns, reset_level);
+}
+
static const struct eth_dev_ops hns3_eth_dev_ops = {
.dev_start = hns3_dev_start,
.dev_stop = hns3_dev_stop,
.allmulticast_enable = hns3_dev_allmulticast_enable,
.allmulticast_disable = hns3_dev_allmulticast_disable,
.mtu_set = hns3_dev_mtu_set,
+ .stats_get = hns3_stats_get,
+ .stats_reset = hns3_stats_reset,
+ .xstats_get = hns3_dev_xstats_get,
+ .xstats_get_names = hns3_dev_xstats_get_names,
+ .xstats_reset = hns3_dev_xstats_reset,
+ .xstats_get_by_id = hns3_dev_xstats_get_by_id,
+ .xstats_get_names_by_id = hns3_dev_xstats_get_names_by_id,
.dev_infos_get = hns3_dev_infos_get,
.fw_version_get = hns3_fw_version_get,
.rx_queue_setup = hns3_rx_queue_setup,
.tx_queue_setup = hns3_tx_queue_setup,
.rx_queue_release = hns3_dev_rx_queue_release,
.tx_queue_release = hns3_dev_tx_queue_release,
+ .rx_queue_intr_enable = hns3_dev_rx_queue_intr_enable,
+ .rx_queue_intr_disable = hns3_dev_rx_queue_intr_disable,
.dev_configure = hns3_dev_configure,
.flow_ctrl_get = hns3_flow_ctrl_get,
.flow_ctrl_set = hns3_flow_ctrl_set,
.dev_supported_ptypes_get = hns3_dev_supported_ptypes_get,
};
+static const struct hns3_reset_ops hns3_reset_ops = {
+ .reset_service = hns3_reset_service,
+ .stop_service = hns3_stop_service,
+ .prepare_reset = hns3_prepare_reset,
+ .wait_hardware_ready = hns3_wait_hardware_ready,
+ .reinit_dev = hns3_reinit_dev,
+ .restore_conf = hns3_restore_conf,
+ .start_service = hns3_start_service,
+};
+
static int
hns3_dev_init(struct rte_eth_dev *eth_dev)
{
hns3_set_rxtx_function(eth_dev);
eth_dev->dev_ops = &hns3_eth_dev_ops;
- if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ hns3_mp_init_secondary();
+ hw->secondary_cnt++;
return 0;
+ }
+ hns3_mp_init_primary();
hw->adapter_state = HNS3_NIC_UNINITIALIZED;
if (device_id == HNS3_DEV_ID_25GE_RDMA ||
*/
hns->pf.mps = hw->data->mtu + HNS3_ETH_OVERHEAD;
+ ret = hns3_reset_init(hw);
+ if (ret)
+ goto err_init_reset;
+ hw->reset.ops = &hns3_reset_ops;
+
ret = hns3_init_pf(eth_dev);
if (ret) {
PMD_INIT_LOG(ERR, "Failed to init pf: %d", ret);
*/
eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
+ if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_PENDING) {
+ hns3_err(hw, "Reschedule reset service after dev_init");
+ hns3_schedule_reset(hns);
+ } else {
+ /* IMP will wait ready flag before reset */
+ hns3_notify_reset_ready(hw, false);
+ }
+
rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, eth_dev);
hns3_info(hw, "hns3 dev initialization successful!");
return 0;
hns3_uninit_pf(eth_dev);
err_init_pf:
+ rte_free(hw->reset.wait_data);
+err_init_reset:
eth_dev->dev_ops = NULL;
eth_dev->rx_pkt_burst = NULL;
eth_dev->tx_pkt_burst = NULL;
git.droids-corp.org / dpdk.git / blobdiff