#define HNS3_DEFAULT_PORT_CONF_QUEUES_NUM 1
#define HNS3_SERVICE_INTERVAL 1000000 /* us */
+#define HNS3_SERVICE_QUICK_INTERVAL 10
#define HNS3_INVALID_PVID 0xFFFF
#define HNS3_FILTER_TYPE_VF 0
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);
-static int hns3_update_speed_duplex(struct rte_eth_dev *eth_dev);
+static int hns3_update_link_info(struct rte_eth_dev *eth_dev);
+static bool hns3_update_link_status(struct hns3_hw *hw);
static int hns3_add_mc_addr(struct hns3_hw *hw,
struct rte_ether_addr *mac_addr);
hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 1);
}
+static enum hns3_evt_cause
+hns3_proc_imp_reset_event(struct hns3_adapter *hns, bool is_delay,
+ uint32_t *vec_val)
+{
+ struct hns3_hw *hw = &hns->hw;
+
+ __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
+ hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
+ *vec_val = BIT(HNS3_VECTOR0_IMPRESET_INT_B);
+ if (!is_delay) {
+ 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");
+ }
+
+ return HNS3_VECTOR0_EVENT_RST;
+}
+
+static enum hns3_evt_cause
+hns3_proc_global_reset_event(struct hns3_adapter *hns, bool is_delay,
+ uint32_t *vec_val)
+{
+ struct hns3_hw *hw = &hns->hw;
+
+ __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
+ hns3_atomic_set_bit(HNS3_GLOBAL_RESET, &hw->reset.pending);
+ *vec_val = BIT(HNS3_VECTOR0_GLOBALRESET_INT_B);
+ if (!is_delay) {
+ 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");
+ }
+
+ return HNS3_VECTOR0_EVENT_RST;
+}
+
static enum hns3_evt_cause
hns3_check_event_cause(struct hns3_adapter *hns, uint32_t *clearval)
{
uint32_t hw_err_src_reg;
uint32_t val;
enum hns3_evt_cause ret;
+ bool is_delay;
/* fetch the events from their corresponding regs */
vector0_int_stats = hns3_read_dev(hw, HNS3_VECTOR0_OTHER_INT_STS_REG);
cmdq_src_val = hns3_read_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG);
hw_err_src_reg = hns3_read_dev(hw, HNS3_RAS_PF_OTHER_INT_STS_REG);
+ is_delay = clearval == NULL ? true : false;
/*
* Assumption: If by any chance reset and mailbox events are reported
* together then we will only process reset event and defer the
* 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;
+ ret = hns3_proc_imp_reset_event(hns, is_delay, &val);
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;
+ ret = hns3_proc_global_reset_event(hns, is_delay, &val);
goto out;
}
}
static int
-hns3_bind_ring_with_vector(struct hns3_hw *hw, uint8_t vector_id, bool mmap,
+hns3_bind_ring_with_vector(struct hns3_hw *hw, uint16_t vector_id, bool en,
enum hns3_ring_type queue_type, uint16_t queue_id)
{
struct hns3_cmd_desc desc;
enum hns3_cmd_status status;
enum hns3_opcode_type op;
uint16_t tqp_type_and_id = 0;
- const char *op_str;
uint16_t type;
uint16_t gl;
- op = mmap ? HNS3_OPC_ADD_RING_TO_VECTOR : HNS3_OPC_DEL_RING_TO_VECTOR;
+ op = en ? 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;
+ req->int_vector_id = hns3_get_field(vector_id, HNS3_TQP_INT_ID_L_M,
+ HNS3_TQP_INT_ID_L_S);
+ req->int_vector_id_h = hns3_get_field(vector_id, HNS3_TQP_INT_ID_H_M,
+ HNS3_TQP_INT_ID_H_S);
if (queue_type == HNS3_RING_TYPE_RX)
gl = HNS3_RING_GL_RX;
gl);
req->tqp_type_and_id[0] = rte_cpu_to_le_16(tqp_type_and_id);
req->int_cause_num = 1;
- op_str = mmap ? "Map" : "Unmap";
status = hns3_cmd_send(hw, &desc, 1);
if (status) {
hns3_err(hw, "%s TQP %u fail, vector_id is %u, status is %d.",
- op_str, queue_id, req->int_vector_id, status);
+ en ? "Map" : "Unmap", queue_id, vector_id, status);
return status;
}
uint16_t nb_rx_q = dev->data->nb_rx_queues;
uint16_t nb_tx_q = dev->data->nb_tx_queues;
struct rte_eth_rss_conf rss_conf;
+ uint32_t max_rx_pkt_len;
uint16_t mtu;
bool gro_en;
int ret;
* according to the maximum RX packet length.
*/
if (conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
- /*
- * Security of max_rx_pkt_len is guaranteed in dpdk frame.
- * Maximum value of max_rx_pkt_len is HNS3_MAX_FRAME_LEN, so it
- * can safely assign to "uint16_t" type variable.
- */
- mtu = (uint16_t)HNS3_PKTLEN_TO_MTU(conf->rxmode.max_rx_pkt_len);
+ max_rx_pkt_len = conf->rxmode.max_rx_pkt_len;
+ if (max_rx_pkt_len > HNS3_MAX_FRAME_LEN ||
+ max_rx_pkt_len <= HNS3_DEFAULT_FRAME_LEN) {
+ hns3_err(hw, "maximum Rx packet length must be greater "
+ "than %u and less than %u when jumbo frame enabled.",
+ (uint16_t)HNS3_DEFAULT_FRAME_LEN,
+ (uint16_t)HNS3_MAX_FRAME_LEN);
+ ret = -EINVAL;
+ goto cfg_err;
+ }
+
+ mtu = (uint16_t)HNS3_PKTLEN_TO_MTU(max_rx_pkt_len);
ret = hns3_dev_mtu_set(dev, mtu);
if (ret)
goto cfg_err;
info->vmdq_queue_num = 0;
- info->reta_size = HNS3_RSS_IND_TBL_SIZE;
+ info->reta_size = hw->rss_ind_tbl_size;
info->hash_key_size = HNS3_RSS_KEY_SIZE;
info->flow_type_rss_offloads = HNS3_ETH_RSS_SUPPORT;
struct rte_eth_link new_link;
if (!hns3_is_reset_pending(hns)) {
- hns3_update_speed_duplex(eth_dev);
hns3_update_link_status(hw);
+ hns3_update_link_info(eth_dev);
}
memset(&new_link, 0, sizeof(new_link));
hw->intr.int_ql_max = rte_le_to_cpu_16(req0->intr_ql_max);
}
+static int
+hns3_check_dev_specifications(struct hns3_hw *hw)
+{
+ if (hw->rss_ind_tbl_size == 0 ||
+ hw->rss_ind_tbl_size > HNS3_RSS_IND_TBL_SIZE_MAX) {
+ hns3_err(hw, "the size of hash lookup table configured (%u)"
+ " exceeds the maximum(%u)", hw->rss_ind_tbl_size,
+ HNS3_RSS_IND_TBL_SIZE_MAX);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int
hns3_query_dev_specifications(struct hns3_hw *hw)
{
hns3_parse_dev_specifications(hw, desc);
- return 0;
+ return hns3_check_dev_specifications(hw);
}
static int
return ret;
}
+static int
+hns3_firmware_compat_config(struct hns3_hw *hw, bool is_init)
+{
+ struct hns3_firmware_compat_cmd *req;
+ struct hns3_cmd_desc desc;
+ uint32_t compat = 0;
+
+ hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_FIRMWARE_COMPAT_CFG, false);
+ req = (struct hns3_firmware_compat_cmd *)desc.data;
+
+ if (is_init) {
+ hns3_set_bit(compat, HNS3_LINK_EVENT_REPORT_EN_B, 1);
+ hns3_set_bit(compat, HNS3_NCSI_ERROR_REPORT_EN_B, 0);
+ }
+
+ req->compat = rte_cpu_to_le_32(compat);
+
+ return hns3_cmd_send(hw, &desc, 1);
+}
+
static int
hns3_mac_init(struct hns3_hw *hw)
{
}
static int
-hns3_update_speed_duplex(struct rte_eth_dev *eth_dev)
+hns3_update_fiber_link_info(struct hns3_hw *hw)
{
- struct hns3_adapter *hns = eth_dev->data->dev_private;
- struct hns3_hw *hw = &hns->hw;
- struct hns3_pf *pf = &hns->pf;
+ struct hns3_pf *pf = HNS3_DEV_HW_TO_PF(hw);
uint32_t speed;
int ret;
return hns3_cfg_mac_speed_dup(hw, speed, ETH_LINK_FULL_DUPLEX);
}
+static int
+hns3_update_link_info(struct rte_eth_dev *eth_dev)
+{
+ struct hns3_adapter *hns = eth_dev->data->dev_private;
+ struct hns3_hw *hw = &hns->hw;
+ int ret = 0;
+
+ if (hw->mac.media_type == HNS3_MEDIA_TYPE_COPPER)
+ return 0;
+ else if (hw->mac.media_type == HNS3_MEDIA_TYPE_FIBER)
+ ret = hns3_update_fiber_link_info(hw);
+
+ return ret;
+}
+
static int
hns3_cfg_mac_mode(struct hns3_hw *hw, bool enable)
{
return !!link_status;
}
-void
+static bool
hns3_update_link_status(struct hns3_hw *hw)
{
int state;
if (state != hw->mac.link_status) {
hw->mac.link_status = state;
hns3_warn(hw, "Link status change to %s!", state ? "up" : "down");
+ return true;
}
+
+ return false;
+}
+
+/*
+ * Current, the PF driver get link status by two ways:
+ * 1) Periodic polling in the intr thread context, driver call
+ * hns3_update_link_status to update link status.
+ * 2) Firmware report async interrupt, driver process the event in the intr
+ * thread context, and call hns3_update_link_status to update link status.
+ *
+ * If detect link status changed, driver need report LSE. One method is add the
+ * report LSE logic in hns3_update_link_status.
+ *
+ * But the PF driver ops(link_update) also call hns3_update_link_status to
+ * update link status.
+ * If we report LSE in hns3_update_link_status, it may lead to deadlock in the
+ * bonding application.
+ *
+ * So add the one new API which used only in intr thread context.
+ */
+void
+hns3_update_link_status_and_event(struct hns3_hw *hw)
+{
+ struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
+ bool changed = hns3_update_link_status(hw);
+ if (changed)
+ rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
}
static void
struct hns3_hw *hw = &hns->hw;
if (!hns3_is_reset_pending(hns)) {
- hns3_update_speed_duplex(eth_dev);
- hns3_update_link_status(hw);
- } else
+ hns3_update_link_status_and_event(hw);
+ hns3_update_link_info(eth_dev);
+ } else {
hns3_warn(hw, "Cancel the query when reset is pending");
+ }
rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, eth_dev);
}
goto err_mac_init;
}
+ /*
+ * Requiring firmware to enable some features, driver can
+ * still work without it.
+ */
+ ret = hns3_firmware_compat_config(hw, true);
+ if (ret)
+ PMD_INIT_LOG(WARNING, "firmware compatible features not "
+ "supported, ret = %d.", ret);
+
return 0;
err_mac_init:
goto err_fdir;
}
- hns3_set_default_rss_args(hw);
+ hns3_rss_set_default_args(hw);
ret = hns3_enable_hw_error_intr(hns, true);
if (ret) {
err_enable_intr:
hns3_fdir_filter_uninit(hns);
err_fdir:
+ (void)hns3_firmware_compat_config(hw, false);
hns3_uninit_umv_space(hw);
err_init_hw:
hns3_tqp_stats_uninit(hw);
(void)hns3_config_gro(hw, false);
hns3_promisc_uninit(hw);
hns3_fdir_filter_uninit(hns);
+ (void)hns3_firmware_compat_config(hw, false);
hns3_uninit_umv_space(hw);
hns3_tqp_stats_uninit(hw);
hns3_pf_disable_irq0(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);
- uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
- uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
+ uint16_t base = RTE_INTR_VEC_ZERO_OFFSET;
+ uint16_t vec = RTE_INTR_VEC_ZERO_OFFSET;
uint32_t intr_vector;
uint16_t q_id;
int ret;
- if (dev->data->dev_conf.intr_conf.rxq == 0)
+ /*
+ * hns3 needs a separate interrupt to be used as event interrupt which
+ * could not be shared with task queue pair, so KERNEL drivers need
+ * support multiple interrupt vectors.
+ */
+ if (dev->data->dev_conf.intr_conf.rxq == 0 ||
+ !rte_intr_cap_multiple(intr_handle))
return 0;
- /* disable uio/vfio intr/eventfd mapping */
rte_intr_disable(intr_handle);
+ intr_vector = hw->used_rx_queues;
+ /* creates event fd for each intr vector when MSIX is used */
+ if (rte_intr_efd_enable(intr_handle, intr_vector))
+ return -EINVAL;
- /* check and configure queue intr-vector mapping */
- if (rte_intr_cap_multiple(intr_handle) ||
- !RTE_ETH_DEV_SRIOV(dev).active) {
- intr_vector = hw->used_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) {
+ if (intr_handle->intr_vec == NULL) {
intr_handle->intr_vec =
rte_zmalloc("intr_vec",
hw->used_rx_queues * sizeof(int), 0);
if (intr_handle->intr_vec == NULL) {
- hns3_err(hw, "Failed to allocate %u rx_queues"
- " intr_vec", hw->used_rx_queues);
+ hns3_err(hw, "failed to allocate %u rx_queues intr_vec",
+ hw->used_rx_queues);
ret = -ENOMEM;
goto alloc_intr_vec_error;
}
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 < hw->used_rx_queues; q_id++) {
- ret = hns3_bind_ring_with_vector(hw, vec, true,
- HNS3_RING_TYPE_RX,
- q_id);
- if (ret)
- goto bind_vector_error;
- intr_handle->intr_vec[q_id] = vec;
- if (vec < base + intr_handle->nb_efd - 1)
- vec++;
- }
+
+ for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
+ ret = hns3_bind_ring_with_vector(hw, vec, true,
+ HNS3_RING_TYPE_RX, q_id);
+ if (ret)
+ goto bind_vector_error;
+ intr_handle->intr_vec[q_id] = vec;
+ /*
+ * If there are not enough efds (e.g. not enough interrupt),
+ * remaining queues will be bond to the last interrupt.
+ */
+ 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;
+ rte_free(intr_handle->intr_vec);
+ intr_handle->intr_vec = NULL;
alloc_intr_vec_error:
rte_intr_efd_disable(intr_handle);
return ret;
return ret;
hw->mac.link_status = ETH_LINK_DOWN;
- if (rte_atomic16_read(&hw->reset.disable_cmd) == 0) {
+ if (__atomic_load_n(&hw->reset.disable_cmd, __ATOMIC_RELAXED) == 0) {
hns3_configure_all_mac_addr(hns, true);
ret = hns3_reset_all_tqps(hns);
if (ret) {
* any mailbox handling or command to firmware is only valid
* after hns3_cmd_init is called.
*/
- rte_atomic16_set(&hw->reset.disable_cmd, 1);
+ __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
hw->reset.stats.request_cnt++;
break;
case HNS3_IMP_RESET:
struct rte_eth_dev *eth_dev;
eth_dev = &rte_eth_devices[hw->data->port_id];
- if (hw->adapter_state == HNS3_NIC_STARTED)
+ if (hw->adapter_state == HNS3_NIC_STARTED) {
rte_eal_alarm_cancel(hns3_service_handler, eth_dev);
+ hns3_update_link_status_and_event(hw);
+ }
hw->mac.link_status = ETH_LINK_DOWN;
hns3_set_rxtx_function(eth_dev);
* from table space. Hence, for function reset software intervention is
* required to delete the entries
*/
- if (rte_atomic16_read(&hw->reset.disable_cmd) == 0)
+ if (__atomic_load_n(&hw->reset.disable_cmd, __ATOMIC_RELAXED) == 0)
hns3_configure_all_mc_mac_addr(hns, true);
rte_spinlock_unlock(&hw->lock);
hns3_set_rxtx_function(eth_dev);
hns3_mp_req_start_rxtx(eth_dev);
if (hw->adapter_state == HNS3_NIC_STARTED) {
- hns3_service_handler(eth_dev);
+ /*
+ * This API parent function already hold the hns3_hw.lock, the
+ * hns3_service_handler may report lse, in bonding application
+ * it will call driver's ops which may acquire the hns3_hw.lock
+ * again, thus lead to deadlock.
+ * We defer calls hns3_service_handler to avoid the deadlock.
+ */
+ rte_eal_alarm_set(HNS3_SERVICE_QUICK_INTERVAL,
+ hns3_service_handler, eth_dev);
/* Enable interrupt of all rx queues before enabling queues */
hns3_dev_all_rx_queue_intr_enable(hw, true);
* 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);
+ if (__atomic_load_n(&hw->reset.schedule, __ATOMIC_RELAXED) ==
+ SCHEDULE_DEFERRED) {
+ __atomic_store_n(&hw->reset.schedule, SCHEDULE_REQUESTED,
+ __ATOMIC_RELAXED);
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);
hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
}
}
- rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_NONE);
+ __atomic_store_n(&hw->reset.schedule, SCHEDULE_NONE, __ATOMIC_RELAXED);
/*
* Check if there is any ongoing reset in the hardware. This status can
hw->adapter_state = HNS3_NIC_INITIALIZED;
- if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_PENDING) {
+ if (__atomic_load_n(&hw->reset.schedule, __ATOMIC_RELAXED) ==
+ SCHEDULE_PENDING) {
hns3_err(hw, "Reschedule reset service after dev_init");
hns3_schedule_reset(hns);
} else {
PMD_INIT_FUNC_TRACE();
- if (rte_eal_process_type() != RTE_PROC_PRIMARY)
- return -EPERM;
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ rte_free(eth_dev->process_private);
+ eth_dev->process_private = NULL;
+ return 0;
+ }
if (hw->adapter_state < HNS3_NIC_CLOSING)
hns3_dev_close(eth_dev);
git.droids-corp.org / dpdk.git / blobdiff