1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018-2021 HiSilicon Limited.
5 #include <linux/pci_regs.h>
7 #include <ethdev_pci.h>
12 #include "hns3_ethdev.h"
13 #include "hns3_logs.h"
14 #include "hns3_rxtx.h"
15 #include "hns3_regs.h"
16 #include "hns3_intr.h"
20 #define HNS3VF_KEEP_ALIVE_INTERVAL 2000000 /* us */
21 #define HNS3VF_SERVICE_INTERVAL 1000000 /* us */
23 #define HNS3VF_RESET_WAIT_MS 20
24 #define HNS3VF_RESET_WAIT_CNT 2000
26 /* Reset related Registers */
27 #define HNS3_GLOBAL_RESET_BIT 0
28 #define HNS3_CORE_RESET_BIT 1
29 #define HNS3_IMP_RESET_BIT 2
30 #define HNS3_FUN_RST_ING_B 0
32 enum hns3vf_evt_cause {
33 HNS3VF_VECTOR0_EVENT_RST,
34 HNS3VF_VECTOR0_EVENT_MBX,
35 HNS3VF_VECTOR0_EVENT_OTHER,
38 static enum hns3_reset_level hns3vf_get_reset_level(struct hns3_hw *hw,
40 static int hns3vf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
41 static int hns3vf_dev_configure_vlan(struct rte_eth_dev *dev);
43 static int hns3vf_add_mc_mac_addr(struct hns3_hw *hw,
44 struct rte_ether_addr *mac_addr);
45 static int hns3vf_remove_mc_mac_addr(struct hns3_hw *hw,
46 struct rte_ether_addr *mac_addr);
47 static int hns3vf_dev_link_update(struct rte_eth_dev *eth_dev,
48 __rte_unused int wait_to_complete);
50 /* set PCI bus mastering */
52 hns3vf_set_bus_master(const struct rte_pci_device *device, bool op)
57 ret = rte_pci_read_config(device, ®, sizeof(reg), PCI_COMMAND);
59 PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x",
65 /* set the master bit */
66 reg |= PCI_COMMAND_MASTER;
68 reg &= ~(PCI_COMMAND_MASTER);
70 return rte_pci_write_config(device, ®, sizeof(reg), PCI_COMMAND);
74 * hns3vf_find_pci_capability - lookup a capability in the PCI capability list
75 * @cap: the capability
77 * Return the address of the given capability within the PCI capability list.
80 hns3vf_find_pci_capability(const struct rte_pci_device *device, int cap)
82 #define MAX_PCIE_CAPABILITY 48
89 ret = rte_pci_read_config(device, &status, sizeof(status), PCI_STATUS);
91 PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x", PCI_STATUS);
95 if (!(status & PCI_STATUS_CAP_LIST))
98 ttl = MAX_PCIE_CAPABILITY;
99 ret = rte_pci_read_config(device, &pos, sizeof(pos),
100 PCI_CAPABILITY_LIST);
102 PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x",
103 PCI_CAPABILITY_LIST);
107 while (ttl-- && pos >= PCI_STD_HEADER_SIZEOF) {
108 ret = rte_pci_read_config(device, &id, sizeof(id),
109 (pos + PCI_CAP_LIST_ID));
111 PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x",
112 (pos + PCI_CAP_LIST_ID));
122 ret = rte_pci_read_config(device, &pos, sizeof(pos),
123 (pos + PCI_CAP_LIST_NEXT));
125 PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x",
126 (pos + PCI_CAP_LIST_NEXT));
134 hns3vf_enable_msix(const struct rte_pci_device *device, bool op)
140 pos = hns3vf_find_pci_capability(device, PCI_CAP_ID_MSIX);
142 ret = rte_pci_read_config(device, &control, sizeof(control),
143 (pos + PCI_MSIX_FLAGS));
145 PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x",
146 (pos + PCI_MSIX_FLAGS));
151 control |= PCI_MSIX_FLAGS_ENABLE;
153 control &= ~PCI_MSIX_FLAGS_ENABLE;
154 ret = rte_pci_write_config(device, &control, sizeof(control),
155 (pos + PCI_MSIX_FLAGS));
157 PMD_INIT_LOG(ERR, "failed to write PCI offset 0x%x",
158 (pos + PCI_MSIX_FLAGS));
169 hns3vf_add_uc_mac_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
171 /* mac address was checked by upper level interface */
172 char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
175 ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_UNICAST,
176 HNS3_MBX_MAC_VLAN_UC_ADD, mac_addr->addr_bytes,
177 RTE_ETHER_ADDR_LEN, false, NULL, 0);
179 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
181 hns3_err(hw, "failed to add uc mac addr(%s), ret = %d",
188 hns3vf_remove_uc_mac_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
190 /* mac address was checked by upper level interface */
191 char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
194 ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_UNICAST,
195 HNS3_MBX_MAC_VLAN_UC_REMOVE,
196 mac_addr->addr_bytes, RTE_ETHER_ADDR_LEN,
199 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
201 hns3_err(hw, "failed to add uc mac addr(%s), ret = %d",
208 hns3vf_add_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
210 char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
211 struct rte_ether_addr *addr;
215 for (i = 0; i < hw->mc_addrs_num; i++) {
216 addr = &hw->mc_addrs[i];
217 /* Check if there are duplicate addresses */
218 if (rte_is_same_ether_addr(addr, mac_addr)) {
219 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
221 hns3_err(hw, "failed to add mc mac addr, same addrs"
222 "(%s) is added by the set_mc_mac_addr_list "
228 ret = hns3vf_add_mc_mac_addr(hw, mac_addr);
230 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
232 hns3_err(hw, "failed to add mc mac addr(%s), ret = %d",
239 hns3vf_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
240 __rte_unused uint32_t idx,
241 __rte_unused uint32_t pool)
243 struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
244 char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
247 rte_spinlock_lock(&hw->lock);
250 * In hns3 network engine adding UC and MC mac address with different
251 * commands with firmware. We need to determine whether the input
252 * address is a UC or a MC address to call different commands.
253 * By the way, it is recommended calling the API function named
254 * rte_eth_dev_set_mc_addr_list to set the MC mac address, because
255 * using the rte_eth_dev_mac_addr_add API function to set MC mac address
256 * may affect the specifications of UC mac addresses.
258 if (rte_is_multicast_ether_addr(mac_addr))
259 ret = hns3vf_add_mc_addr_common(hw, mac_addr);
261 ret = hns3vf_add_uc_mac_addr(hw, mac_addr);
263 rte_spinlock_unlock(&hw->lock);
265 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
267 hns3_err(hw, "failed to add mac addr(%s), ret = %d", mac_str,
275 hns3vf_remove_mac_addr(struct rte_eth_dev *dev, uint32_t idx)
277 struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
278 /* index will be checked by upper level rte interface */
279 struct rte_ether_addr *mac_addr = &dev->data->mac_addrs[idx];
280 char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
283 rte_spinlock_lock(&hw->lock);
285 if (rte_is_multicast_ether_addr(mac_addr))
286 ret = hns3vf_remove_mc_mac_addr(hw, mac_addr);
288 ret = hns3vf_remove_uc_mac_addr(hw, mac_addr);
290 rte_spinlock_unlock(&hw->lock);
292 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
294 hns3_err(hw, "failed to remove mac addr(%s), ret = %d",
300 hns3vf_set_default_mac_addr(struct rte_eth_dev *dev,
301 struct rte_ether_addr *mac_addr)
303 #define HNS3_TWO_ETHER_ADDR_LEN (RTE_ETHER_ADDR_LEN * 2)
304 struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
305 struct rte_ether_addr *old_addr;
306 uint8_t addr_bytes[HNS3_TWO_ETHER_ADDR_LEN]; /* for 2 MAC addresses */
307 char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
311 * It has been guaranteed that input parameter named mac_addr is valid
312 * address in the rte layer of DPDK framework.
314 old_addr = (struct rte_ether_addr *)hw->mac.mac_addr;
315 rte_spinlock_lock(&hw->lock);
316 memcpy(addr_bytes, mac_addr->addr_bytes, RTE_ETHER_ADDR_LEN);
317 memcpy(&addr_bytes[RTE_ETHER_ADDR_LEN], old_addr->addr_bytes,
320 ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_UNICAST,
321 HNS3_MBX_MAC_VLAN_UC_MODIFY, addr_bytes,
322 HNS3_TWO_ETHER_ADDR_LEN, true, NULL, 0);
325 * The hns3 VF PMD driver depends on the hns3 PF kernel ethdev
326 * driver. When user has configured a MAC address for VF device
327 * by "ip link set ..." command based on the PF device, the hns3
328 * PF kernel ethdev driver does not allow VF driver to request
329 * reconfiguring a different default MAC address, and return
330 * -EPREM to VF driver through mailbox.
333 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
335 hns3_warn(hw, "Has permanet mac addr(%s) for vf",
338 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
340 hns3_err(hw, "Failed to set mac addr(%s) for vf: %d",
345 rte_ether_addr_copy(mac_addr,
346 (struct rte_ether_addr *)hw->mac.mac_addr);
347 rte_spinlock_unlock(&hw->lock);
353 hns3vf_configure_mac_addr(struct hns3_adapter *hns, bool del)
355 struct hns3_hw *hw = &hns->hw;
356 struct rte_ether_addr *addr;
357 char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
362 for (i = 0; i < HNS3_VF_UC_MACADDR_NUM; i++) {
363 addr = &hw->data->mac_addrs[i];
364 if (rte_is_zero_ether_addr(addr))
366 if (rte_is_multicast_ether_addr(addr))
367 ret = del ? hns3vf_remove_mc_mac_addr(hw, addr) :
368 hns3vf_add_mc_mac_addr(hw, addr);
370 ret = del ? hns3vf_remove_uc_mac_addr(hw, addr) :
371 hns3vf_add_uc_mac_addr(hw, addr);
375 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
377 hns3_err(hw, "failed to %s mac addr(%s) index:%d "
378 "ret = %d.", del ? "remove" : "restore",
386 hns3vf_add_mc_mac_addr(struct hns3_hw *hw,
387 struct rte_ether_addr *mac_addr)
389 char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
392 ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_MULTICAST,
393 HNS3_MBX_MAC_VLAN_MC_ADD,
394 mac_addr->addr_bytes, RTE_ETHER_ADDR_LEN, false,
397 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
399 hns3_err(hw, "Failed to add mc mac addr(%s) for vf: %d",
407 hns3vf_remove_mc_mac_addr(struct hns3_hw *hw,
408 struct rte_ether_addr *mac_addr)
410 char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
413 ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_MULTICAST,
414 HNS3_MBX_MAC_VLAN_MC_REMOVE,
415 mac_addr->addr_bytes, RTE_ETHER_ADDR_LEN, false,
418 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
420 hns3_err(hw, "Failed to remove mc mac addr(%s) for vf: %d",
428 hns3vf_set_mc_addr_chk_param(struct hns3_hw *hw,
429 struct rte_ether_addr *mc_addr_set,
432 char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
433 struct rte_ether_addr *addr;
437 if (nb_mc_addr > HNS3_MC_MACADDR_NUM) {
438 hns3_err(hw, "failed to set mc mac addr, nb_mc_addr(%u) "
439 "invalid. valid range: 0~%d",
440 nb_mc_addr, HNS3_MC_MACADDR_NUM);
444 /* Check if input mac addresses are valid */
445 for (i = 0; i < nb_mc_addr; i++) {
446 addr = &mc_addr_set[i];
447 if (!rte_is_multicast_ether_addr(addr)) {
448 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
451 "failed to set mc mac addr, addr(%s) invalid.",
456 /* Check if there are duplicate addresses */
457 for (j = i + 1; j < nb_mc_addr; j++) {
458 if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) {
459 hns3_ether_format_addr(mac_str,
460 RTE_ETHER_ADDR_FMT_SIZE,
462 hns3_err(hw, "failed to set mc mac addr, "
463 "addrs invalid. two same addrs(%s).",
470 * Check if there are duplicate addresses between mac_addrs
473 for (j = 0; j < HNS3_VF_UC_MACADDR_NUM; j++) {
474 if (rte_is_same_ether_addr(addr,
475 &hw->data->mac_addrs[j])) {
476 hns3_ether_format_addr(mac_str,
477 RTE_ETHER_ADDR_FMT_SIZE,
479 hns3_err(hw, "failed to set mc mac addr, "
480 "addrs invalid. addrs(%s) has already "
481 "configured in mac_addr add API",
492 hns3vf_set_mc_mac_addr_list(struct rte_eth_dev *dev,
493 struct rte_ether_addr *mc_addr_set,
496 struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
497 struct rte_ether_addr *addr;
504 ret = hns3vf_set_mc_addr_chk_param(hw, mc_addr_set, nb_mc_addr);
508 rte_spinlock_lock(&hw->lock);
509 cur_addr_num = hw->mc_addrs_num;
510 for (i = 0; i < cur_addr_num; i++) {
511 num = cur_addr_num - i - 1;
512 addr = &hw->mc_addrs[num];
513 ret = hns3vf_remove_mc_mac_addr(hw, addr);
515 rte_spinlock_unlock(&hw->lock);
522 set_addr_num = (int)nb_mc_addr;
523 for (i = 0; i < set_addr_num; i++) {
524 addr = &mc_addr_set[i];
525 ret = hns3vf_add_mc_mac_addr(hw, addr);
527 rte_spinlock_unlock(&hw->lock);
531 rte_ether_addr_copy(addr, &hw->mc_addrs[hw->mc_addrs_num]);
534 rte_spinlock_unlock(&hw->lock);
540 hns3vf_configure_all_mc_mac_addr(struct hns3_adapter *hns, bool del)
542 char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
543 struct hns3_hw *hw = &hns->hw;
544 struct rte_ether_addr *addr;
549 for (i = 0; i < hw->mc_addrs_num; i++) {
550 addr = &hw->mc_addrs[i];
551 if (!rte_is_multicast_ether_addr(addr))
554 ret = hns3vf_remove_mc_mac_addr(hw, addr);
556 ret = hns3vf_add_mc_mac_addr(hw, addr);
559 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
561 hns3_err(hw, "Failed to %s mc mac addr: %s for vf: %d",
562 del ? "Remove" : "Restore", mac_str, ret);
569 hns3vf_set_promisc_mode(struct hns3_hw *hw, bool en_bc_pmc,
570 bool en_uc_pmc, bool en_mc_pmc)
572 struct hns3_mbx_vf_to_pf_cmd *req;
573 struct hns3_cmd_desc desc;
576 req = (struct hns3_mbx_vf_to_pf_cmd *)desc.data;
579 * The hns3 VF PMD driver depends on the hns3 PF kernel ethdev driver,
580 * so there are some features for promiscuous/allmulticast mode in hns3
581 * VF PMD driver as below:
582 * 1. The promiscuous/allmulticast mode can be configured successfully
583 * only based on the trusted VF device. If based on the non trusted
584 * VF device, configuring promiscuous/allmulticast mode will fail.
585 * The hns3 VF device can be confiruged as trusted device by hns3 PF
586 * kernel ethdev driver on the host by the following command:
587 * "ip link set <eth num> vf <vf id> turst on"
588 * 2. After the promiscuous mode is configured successfully, hns3 VF PMD
589 * driver can receive the ingress and outgoing traffic. In the words,
590 * all the ingress packets, all the packets sent from the PF and
591 * other VFs on the same physical port.
592 * 3. Note: Because of the hardware constraints, By default vlan filter
593 * is enabled and couldn't be turned off based on VF device, so vlan
594 * filter is still effective even in promiscuous mode. If upper
595 * applications don't call rte_eth_dev_vlan_filter API function to
596 * set vlan based on VF device, hns3 VF PMD driver will can't receive
597 * the packets with vlan tag in promiscuoue mode.
599 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MBX_VF_TO_PF, false);
600 req->msg[0] = HNS3_MBX_SET_PROMISC_MODE;
601 req->msg[1] = en_bc_pmc ? 1 : 0;
602 req->msg[2] = en_uc_pmc ? 1 : 0;
603 req->msg[3] = en_mc_pmc ? 1 : 0;
604 req->msg[4] = hw->promisc_mode == HNS3_LIMIT_PROMISC_MODE ? 1 : 0;
606 ret = hns3_cmd_send(hw, &desc, 1);
608 hns3_err(hw, "Set promisc mode fail, ret = %d", ret);
614 hns3vf_dev_promiscuous_enable(struct rte_eth_dev *dev)
616 struct hns3_adapter *hns = dev->data->dev_private;
617 struct hns3_hw *hw = &hns->hw;
620 ret = hns3vf_set_promisc_mode(hw, true, true, true);
622 hns3_err(hw, "Failed to enable promiscuous mode, ret = %d",
628 hns3vf_dev_promiscuous_disable(struct rte_eth_dev *dev)
630 bool allmulti = dev->data->all_multicast ? true : false;
631 struct hns3_adapter *hns = dev->data->dev_private;
632 struct hns3_hw *hw = &hns->hw;
635 ret = hns3vf_set_promisc_mode(hw, true, false, allmulti);
637 hns3_err(hw, "Failed to disable promiscuous mode, ret = %d",
643 hns3vf_dev_allmulticast_enable(struct rte_eth_dev *dev)
645 struct hns3_adapter *hns = dev->data->dev_private;
646 struct hns3_hw *hw = &hns->hw;
649 if (dev->data->promiscuous)
652 ret = hns3vf_set_promisc_mode(hw, true, false, true);
654 hns3_err(hw, "Failed to enable allmulticast mode, ret = %d",
660 hns3vf_dev_allmulticast_disable(struct rte_eth_dev *dev)
662 struct hns3_adapter *hns = dev->data->dev_private;
663 struct hns3_hw *hw = &hns->hw;
666 if (dev->data->promiscuous)
669 ret = hns3vf_set_promisc_mode(hw, true, false, false);
671 hns3_err(hw, "Failed to disable allmulticast mode, ret = %d",
677 hns3vf_restore_promisc(struct hns3_adapter *hns)
679 struct hns3_hw *hw = &hns->hw;
680 bool allmulti = hw->data->all_multicast ? true : false;
682 if (hw->data->promiscuous)
683 return hns3vf_set_promisc_mode(hw, true, true, true);
685 return hns3vf_set_promisc_mode(hw, true, false, allmulti);
689 hns3vf_bind_ring_with_vector(struct hns3_hw *hw, uint8_t vector_id,
690 bool mmap, enum hns3_ring_type queue_type,
693 struct hns3_vf_bind_vector_msg bind_msg;
698 memset(&bind_msg, 0, sizeof(bind_msg));
699 code = mmap ? HNS3_MBX_MAP_RING_TO_VECTOR :
700 HNS3_MBX_UNMAP_RING_TO_VECTOR;
701 bind_msg.vector_id = vector_id;
703 if (queue_type == HNS3_RING_TYPE_RX)
704 bind_msg.param[0].int_gl_index = HNS3_RING_GL_RX;
706 bind_msg.param[0].int_gl_index = HNS3_RING_GL_TX;
708 bind_msg.param[0].ring_type = queue_type;
709 bind_msg.ring_num = 1;
710 bind_msg.param[0].tqp_index = queue_id;
711 op_str = mmap ? "Map" : "Unmap";
712 ret = hns3_send_mbx_msg(hw, code, 0, (uint8_t *)&bind_msg,
713 sizeof(bind_msg), false, NULL, 0);
715 hns3_err(hw, "%s TQP %u fail, vector_id is %u, ret is %d.",
716 op_str, queue_id, bind_msg.vector_id, ret);
722 hns3vf_init_ring_with_vector(struct hns3_hw *hw)
729 * In hns3 network engine, vector 0 is always the misc interrupt of this
730 * function, vector 1~N can be used respectively for the queues of the
731 * function. Tx and Rx queues with the same number share the interrupt
732 * vector. In the initialization clearing the all hardware mapping
733 * relationship configurations between queues and interrupt vectors is
734 * needed, so some error caused by the residual configurations, such as
735 * the unexpected Tx interrupt, can be avoid.
737 vec = hw->num_msi - 1; /* vector 0 for misc interrupt, not for queue */
738 if (hw->intr.mapping_mode == HNS3_INTR_MAPPING_VEC_RSV_ONE)
739 vec = vec - 1; /* the last interrupt is reserved */
740 hw->intr_tqps_num = RTE_MIN(vec, hw->tqps_num);
741 for (i = 0; i < hw->intr_tqps_num; i++) {
743 * Set gap limiter/rate limiter/quanity limiter algorithm
744 * configuration for interrupt coalesce of queue's interrupt.
746 hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_RX,
747 HNS3_TQP_INTR_GL_DEFAULT);
748 hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_TX,
749 HNS3_TQP_INTR_GL_DEFAULT);
750 hns3_set_queue_intr_rl(hw, i, HNS3_TQP_INTR_RL_DEFAULT);
752 * QL(quantity limiter) is not used currently, just set 0 to
755 hns3_set_queue_intr_ql(hw, i, HNS3_TQP_INTR_QL_DEFAULT);
757 ret = hns3vf_bind_ring_with_vector(hw, vec, false,
758 HNS3_RING_TYPE_TX, i);
760 PMD_INIT_LOG(ERR, "VF fail to unbind TX ring(%d) with "
761 "vector: %u, ret=%d", i, vec, ret);
765 ret = hns3vf_bind_ring_with_vector(hw, vec, false,
766 HNS3_RING_TYPE_RX, i);
768 PMD_INIT_LOG(ERR, "VF fail to unbind RX ring(%d) with "
769 "vector: %u, ret=%d", i, vec, ret);
778 hns3vf_dev_configure(struct rte_eth_dev *dev)
780 struct hns3_adapter *hns = dev->data->dev_private;
781 struct hns3_hw *hw = &hns->hw;
782 struct rte_eth_conf *conf = &dev->data->dev_conf;
783 enum rte_eth_rx_mq_mode mq_mode = conf->rxmode.mq_mode;
784 uint16_t nb_rx_q = dev->data->nb_rx_queues;
785 uint16_t nb_tx_q = dev->data->nb_tx_queues;
786 struct rte_eth_rss_conf rss_conf;
787 uint32_t max_rx_pkt_len;
792 hw->cfg_max_queues = RTE_MAX(nb_rx_q, nb_tx_q);
795 * Some versions of hardware network engine does not support
796 * individually enable/disable/reset the Tx or Rx queue. These devices
797 * must enable/disable/reset Tx and Rx queues at the same time. When the
798 * numbers of Tx queues allocated by upper applications are not equal to
799 * the numbers of Rx queues, driver needs to setup fake Tx or Rx queues
800 * to adjust numbers of Tx/Rx queues. otherwise, network engine can not
801 * work as usual. But these fake queues are imperceptible, and can not
802 * be used by upper applications.
804 ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q);
806 hns3_err(hw, "fail to set Rx/Tx fake queues, ret = %d.", ret);
807 hw->cfg_max_queues = 0;
811 hw->adapter_state = HNS3_NIC_CONFIGURING;
812 if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
813 hns3_err(hw, "setting link speed/duplex not supported");
818 /* When RSS is not configured, redirect the packet queue 0 */
819 if ((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG) {
820 conf->rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
821 hw->rss_dis_flag = false;
822 rss_conf = conf->rx_adv_conf.rss_conf;
823 ret = hns3_dev_rss_hash_update(dev, &rss_conf);
829 * If jumbo frames are enabled, MTU needs to be refreshed
830 * according to the maximum RX packet length.
832 if (conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
833 max_rx_pkt_len = conf->rxmode.max_rx_pkt_len;
834 if (max_rx_pkt_len > HNS3_MAX_FRAME_LEN ||
835 max_rx_pkt_len <= HNS3_DEFAULT_FRAME_LEN) {
836 hns3_err(hw, "maximum Rx packet length must be greater "
837 "than %u and less than %u when jumbo frame enabled.",
838 (uint16_t)HNS3_DEFAULT_FRAME_LEN,
839 (uint16_t)HNS3_MAX_FRAME_LEN);
844 mtu = (uint16_t)HNS3_PKTLEN_TO_MTU(max_rx_pkt_len);
845 ret = hns3vf_dev_mtu_set(dev, mtu);
848 dev->data->mtu = mtu;
851 ret = hns3vf_dev_configure_vlan(dev);
855 /* config hardware GRO */
856 gro_en = conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO ? true : false;
857 ret = hns3_config_gro(hw, gro_en);
861 hns3_init_rx_ptype_tble(dev);
863 hw->adapter_state = HNS3_NIC_CONFIGURED;
867 hw->cfg_max_queues = 0;
868 (void)hns3_set_fake_rx_or_tx_queues(dev, 0, 0);
869 hw->adapter_state = HNS3_NIC_INITIALIZED;
875 hns3vf_config_mtu(struct hns3_hw *hw, uint16_t mtu)
879 ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_MTU, 0, (const uint8_t *)&mtu,
880 sizeof(mtu), true, NULL, 0);
882 hns3_err(hw, "Failed to set mtu (%u) for vf: %d", mtu, ret);
888 hns3vf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
890 struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
891 uint32_t frame_size = mtu + HNS3_ETH_OVERHEAD;
895 * The hns3 PF/VF devices on the same port share the hardware MTU
896 * configuration. Currently, we send mailbox to inform hns3 PF kernel
897 * ethdev driver to finish hardware MTU configuration in hns3 VF PMD
898 * driver, there is no need to stop the port for hns3 VF device, and the
899 * MTU value issued by hns3 VF PMD driver must be less than or equal to
902 if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED)) {
903 hns3_err(hw, "Failed to set mtu during resetting");
908 * when Rx of scattered packets is off, we have some possibility of
909 * using vector Rx process function or simple Rx functions in hns3 PMD
910 * driver. If the input MTU is increased and the maximum length of
911 * received packets is greater than the length of a buffer for Rx
912 * packet, the hardware network engine needs to use multiple BDs and
913 * buffers to store these packets. This will cause problems when still
914 * using vector Rx process function or simple Rx function to receiving
915 * packets. So, when Rx of scattered packets is off and device is
916 * started, it is not permitted to increase MTU so that the maximum
917 * length of Rx packets is greater than Rx buffer length.
919 if (dev->data->dev_started && !dev->data->scattered_rx &&
920 frame_size > hw->rx_buf_len) {
921 hns3_err(hw, "failed to set mtu because current is "
922 "not scattered rx mode");
926 rte_spinlock_lock(&hw->lock);
927 ret = hns3vf_config_mtu(hw, mtu);
929 rte_spinlock_unlock(&hw->lock);
932 if (mtu > RTE_ETHER_MTU)
933 dev->data->dev_conf.rxmode.offloads |=
934 DEV_RX_OFFLOAD_JUMBO_FRAME;
936 dev->data->dev_conf.rxmode.offloads &=
937 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
938 dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
939 rte_spinlock_unlock(&hw->lock);
945 hns3vf_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info)
947 struct hns3_adapter *hns = eth_dev->data->dev_private;
948 struct hns3_hw *hw = &hns->hw;
949 uint16_t q_num = hw->tqps_num;
952 * In interrupt mode, 'max_rx_queues' is set based on the number of
953 * MSI-X interrupt resources of the hardware.
955 if (hw->data->dev_conf.intr_conf.rxq == 1)
956 q_num = hw->intr_tqps_num;
958 info->max_rx_queues = q_num;
959 info->max_tx_queues = hw->tqps_num;
960 info->max_rx_pktlen = HNS3_MAX_FRAME_LEN; /* CRC included */
961 info->min_rx_bufsize = HNS3_MIN_BD_BUF_SIZE;
962 info->max_mac_addrs = HNS3_VF_UC_MACADDR_NUM;
963 info->max_mtu = info->max_rx_pktlen - HNS3_ETH_OVERHEAD;
964 info->max_lro_pkt_size = HNS3_MAX_LRO_SIZE;
966 info->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM |
967 DEV_RX_OFFLOAD_UDP_CKSUM |
968 DEV_RX_OFFLOAD_TCP_CKSUM |
969 DEV_RX_OFFLOAD_SCTP_CKSUM |
970 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
971 DEV_RX_OFFLOAD_OUTER_UDP_CKSUM |
972 DEV_RX_OFFLOAD_SCATTER |
973 DEV_RX_OFFLOAD_VLAN_STRIP |
974 DEV_RX_OFFLOAD_VLAN_FILTER |
975 DEV_RX_OFFLOAD_JUMBO_FRAME |
976 DEV_RX_OFFLOAD_RSS_HASH |
977 DEV_RX_OFFLOAD_TCP_LRO);
978 info->tx_offload_capa = (DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
979 DEV_TX_OFFLOAD_IPV4_CKSUM |
980 DEV_TX_OFFLOAD_TCP_CKSUM |
981 DEV_TX_OFFLOAD_UDP_CKSUM |
982 DEV_TX_OFFLOAD_SCTP_CKSUM |
983 DEV_TX_OFFLOAD_MULTI_SEGS |
984 DEV_TX_OFFLOAD_TCP_TSO |
985 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
986 DEV_TX_OFFLOAD_GRE_TNL_TSO |
987 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
988 DEV_TX_OFFLOAD_MBUF_FAST_FREE |
989 hns3_txvlan_cap_get(hw));
991 if (hns3_dev_outer_udp_cksum_supported(hw))
992 info->tx_offload_capa |= DEV_TX_OFFLOAD_OUTER_UDP_CKSUM;
994 if (hns3_dev_indep_txrx_supported(hw))
995 info->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP |
996 RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP;
998 info->rx_desc_lim = (struct rte_eth_desc_lim) {
999 .nb_max = HNS3_MAX_RING_DESC,
1000 .nb_min = HNS3_MIN_RING_DESC,
1001 .nb_align = HNS3_ALIGN_RING_DESC,
1004 info->tx_desc_lim = (struct rte_eth_desc_lim) {
1005 .nb_max = HNS3_MAX_RING_DESC,
1006 .nb_min = HNS3_MIN_RING_DESC,
1007 .nb_align = HNS3_ALIGN_RING_DESC,
1008 .nb_seg_max = HNS3_MAX_TSO_BD_PER_PKT,
1009 .nb_mtu_seg_max = hw->max_non_tso_bd_num,
1012 info->default_rxconf = (struct rte_eth_rxconf) {
1013 .rx_free_thresh = HNS3_DEFAULT_RX_FREE_THRESH,
1015 * If there are no available Rx buffer descriptors, incoming
1016 * packets are always dropped by hardware based on hns3 network
1022 info->default_txconf = (struct rte_eth_txconf) {
1023 .tx_rs_thresh = HNS3_DEFAULT_TX_RS_THRESH,
1027 info->reta_size = hw->rss_ind_tbl_size;
1028 info->hash_key_size = HNS3_RSS_KEY_SIZE;
1029 info->flow_type_rss_offloads = HNS3_ETH_RSS_SUPPORT;
1031 info->default_rxportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
1032 info->default_txportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
1033 info->default_rxportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
1034 info->default_txportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
1035 info->default_rxportconf.ring_size = HNS3_DEFAULT_RING_DESC;
1036 info->default_txportconf.ring_size = HNS3_DEFAULT_RING_DESC;
1042 hns3vf_clear_event_cause(struct hns3_hw *hw, uint32_t regclr)
1044 hns3_write_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG, regclr);
1048 hns3vf_disable_irq0(struct hns3_hw *hw)
1050 hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 0);
1054 hns3vf_enable_irq0(struct hns3_hw *hw)
1056 hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 1);
1059 static enum hns3vf_evt_cause
1060 hns3vf_check_event_cause(struct hns3_adapter *hns, uint32_t *clearval)
1062 struct hns3_hw *hw = &hns->hw;
1063 enum hns3vf_evt_cause ret;
1064 uint32_t cmdq_stat_reg;
1065 uint32_t rst_ing_reg;
1068 /* Fetch the events from their corresponding regs */
1069 cmdq_stat_reg = hns3_read_dev(hw, HNS3_VECTOR0_CMDQ_STAT_REG);
1070 if (BIT(HNS3_VECTOR0_RST_INT_B) & cmdq_stat_reg) {
1071 rst_ing_reg = hns3_read_dev(hw, HNS3_FUN_RST_ING);
1072 hns3_warn(hw, "resetting reg: 0x%x", rst_ing_reg);
1073 hns3_atomic_set_bit(HNS3_VF_RESET, &hw->reset.pending);
1074 __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
1075 val = hns3_read_dev(hw, HNS3_VF_RST_ING);
1076 hns3_write_dev(hw, HNS3_VF_RST_ING, val | HNS3_VF_RST_ING_BIT);
1077 val = cmdq_stat_reg & ~BIT(HNS3_VECTOR0_RST_INT_B);
1079 hw->reset.stats.global_cnt++;
1080 hns3_warn(hw, "Global reset detected, clear reset status");
1082 hns3_schedule_delayed_reset(hns);
1083 hns3_warn(hw, "Global reset detected, don't clear reset status");
1086 ret = HNS3VF_VECTOR0_EVENT_RST;
1090 /* Check for vector0 mailbox(=CMDQ RX) event source */
1091 if (BIT(HNS3_VECTOR0_RX_CMDQ_INT_B) & cmdq_stat_reg) {
1092 val = cmdq_stat_reg & ~BIT(HNS3_VECTOR0_RX_CMDQ_INT_B);
1093 ret = HNS3VF_VECTOR0_EVENT_MBX;
1098 ret = HNS3VF_VECTOR0_EVENT_OTHER;
1106 hns3vf_interrupt_handler(void *param)
1108 struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1109 struct hns3_adapter *hns = dev->data->dev_private;
1110 struct hns3_hw *hw = &hns->hw;
1111 enum hns3vf_evt_cause event_cause;
1114 /* Disable interrupt */
1115 hns3vf_disable_irq0(hw);
1117 /* Read out interrupt causes */
1118 event_cause = hns3vf_check_event_cause(hns, &clearval);
1119 /* Clear interrupt causes */
1120 hns3vf_clear_event_cause(hw, clearval);
1122 switch (event_cause) {
1123 case HNS3VF_VECTOR0_EVENT_RST:
1124 hns3_schedule_reset(hns);
1126 case HNS3VF_VECTOR0_EVENT_MBX:
1127 hns3_dev_handle_mbx_msg(hw);
1133 /* Enable interrupt */
1134 hns3vf_enable_irq0(hw);
1138 hns3vf_set_default_dev_specifications(struct hns3_hw *hw)
1140 hw->max_non_tso_bd_num = HNS3_MAX_NON_TSO_BD_PER_PKT;
1141 hw->rss_ind_tbl_size = HNS3_RSS_IND_TBL_SIZE;
1142 hw->rss_key_size = HNS3_RSS_KEY_SIZE;
1143 hw->intr.int_ql_max = HNS3_INTR_QL_NONE;
1147 hns3vf_parse_dev_specifications(struct hns3_hw *hw, struct hns3_cmd_desc *desc)
1149 struct hns3_dev_specs_0_cmd *req0;
1151 req0 = (struct hns3_dev_specs_0_cmd *)desc[0].data;
1153 hw->max_non_tso_bd_num = req0->max_non_tso_bd_num;
1154 hw->rss_ind_tbl_size = rte_le_to_cpu_16(req0->rss_ind_tbl_size);
1155 hw->rss_key_size = rte_le_to_cpu_16(req0->rss_key_size);
1156 hw->intr.int_ql_max = rte_le_to_cpu_16(req0->intr_ql_max);
1160 hns3vf_check_dev_specifications(struct hns3_hw *hw)
1162 if (hw->rss_ind_tbl_size == 0 ||
1163 hw->rss_ind_tbl_size > HNS3_RSS_IND_TBL_SIZE_MAX) {
1164 hns3_warn(hw, "the size of hash lookup table configured (%u)"
1165 " exceeds the maximum(%u)", hw->rss_ind_tbl_size,
1166 HNS3_RSS_IND_TBL_SIZE_MAX);
1174 hns3vf_query_dev_specifications(struct hns3_hw *hw)
1176 struct hns3_cmd_desc desc[HNS3_QUERY_DEV_SPECS_BD_NUM];
1180 for (i = 0; i < HNS3_QUERY_DEV_SPECS_BD_NUM - 1; i++) {
1181 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_QUERY_DEV_SPECS,
1183 desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
1185 hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_QUERY_DEV_SPECS, true);
1187 ret = hns3_cmd_send(hw, desc, HNS3_QUERY_DEV_SPECS_BD_NUM);
1191 hns3vf_parse_dev_specifications(hw, desc);
1193 return hns3vf_check_dev_specifications(hw);
1197 hns3vf_update_push_lsc_cap(struct hns3_hw *hw, bool supported)
1199 uint16_t val = supported ? HNS3_PF_PUSH_LSC_CAP_SUPPORTED :
1200 HNS3_PF_PUSH_LSC_CAP_NOT_SUPPORTED;
1201 uint16_t exp = HNS3_PF_PUSH_LSC_CAP_UNKNOWN;
1202 struct hns3_vf *vf = HNS3_DEV_HW_TO_VF(hw);
1204 if (vf->pf_push_lsc_cap == HNS3_PF_PUSH_LSC_CAP_UNKNOWN)
1205 __atomic_compare_exchange(&vf->pf_push_lsc_cap, &exp, &val, 0,
1206 __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
1210 hns3vf_get_push_lsc_cap(struct hns3_hw *hw)
1212 #define HNS3_CHECK_PUSH_LSC_CAP_TIMEOUT_MS 500
1214 struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
1215 int32_t remain_ms = HNS3_CHECK_PUSH_LSC_CAP_TIMEOUT_MS;
1216 uint16_t val = HNS3_PF_PUSH_LSC_CAP_NOT_SUPPORTED;
1217 uint16_t exp = HNS3_PF_PUSH_LSC_CAP_UNKNOWN;
1218 struct hns3_vf *vf = HNS3_DEV_HW_TO_VF(hw);
1220 __atomic_store_n(&vf->pf_push_lsc_cap, HNS3_PF_PUSH_LSC_CAP_UNKNOWN,
1223 (void)hns3_send_mbx_msg(hw, HNS3_MBX_GET_LINK_STATUS, 0, NULL, 0, false,
1226 while (remain_ms > 0) {
1227 rte_delay_ms(HNS3_POLL_RESPONE_MS);
1228 if (__atomic_load_n(&vf->pf_push_lsc_cap, __ATOMIC_ACQUIRE) !=
1229 HNS3_PF_PUSH_LSC_CAP_UNKNOWN)
1235 * When exit above loop, the pf_push_lsc_cap could be one of the three
1236 * state: unknown (means pf not ack), not_supported, supported.
1237 * Here config it as 'not_supported' when it's 'unknown' state.
1239 __atomic_compare_exchange(&vf->pf_push_lsc_cap, &exp, &val, 0,
1240 __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
1242 if (__atomic_load_n(&vf->pf_push_lsc_cap, __ATOMIC_ACQUIRE) ==
1243 HNS3_PF_PUSH_LSC_CAP_SUPPORTED) {
1244 hns3_info(hw, "detect PF support push link status change!");
1247 * Framework already set RTE_ETH_DEV_INTR_LSC bit because driver
1248 * declared RTE_PCI_DRV_INTR_LSC in drv_flags. So here cleared
1249 * the RTE_ETH_DEV_INTR_LSC capability.
1251 dev->data->dev_flags &= ~RTE_ETH_DEV_INTR_LSC;
1256 hns3vf_get_capability(struct hns3_hw *hw)
1258 struct rte_pci_device *pci_dev;
1259 struct rte_eth_dev *eth_dev;
1263 eth_dev = &rte_eth_devices[hw->data->port_id];
1264 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1266 /* Get PCI revision id */
1267 ret = rte_pci_read_config(pci_dev, &revision, HNS3_PCI_REVISION_ID_LEN,
1268 HNS3_PCI_REVISION_ID);
1269 if (ret != HNS3_PCI_REVISION_ID_LEN) {
1270 PMD_INIT_LOG(ERR, "failed to read pci revision id, ret = %d",
1274 hw->revision = revision;
1276 if (revision < PCI_REVISION_ID_HIP09_A) {
1277 hns3vf_set_default_dev_specifications(hw);
1278 hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_RSV_ONE;
1279 hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_2US;
1280 hw->tso_mode = HNS3_TSO_SW_CAL_PSEUDO_H_CSUM;
1281 hw->drop_stats_mode = HNS3_PKTS_DROP_STATS_MODE1;
1282 hw->min_tx_pkt_len = HNS3_HIP08_MIN_TX_PKT_LEN;
1283 hw->rss_info.ipv6_sctp_offload_supported = false;
1284 hw->promisc_mode = HNS3_UNLIMIT_PROMISC_MODE;
1288 ret = hns3vf_query_dev_specifications(hw);
1291 "failed to query dev specifications, ret = %d",
1296 hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_ALL;
1297 hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_1US;
1298 hw->tso_mode = HNS3_TSO_HW_CAL_PSEUDO_H_CSUM;
1299 hw->drop_stats_mode = HNS3_PKTS_DROP_STATS_MODE2;
1300 hw->min_tx_pkt_len = HNS3_HIP09_MIN_TX_PKT_LEN;
1301 hw->rss_info.ipv6_sctp_offload_supported = true;
1302 hw->promisc_mode = HNS3_LIMIT_PROMISC_MODE;
1308 hns3vf_check_tqp_info(struct hns3_hw *hw)
1310 if (hw->tqps_num == 0) {
1311 PMD_INIT_LOG(ERR, "Get invalid tqps_num(0) from PF.");
1315 if (hw->rss_size_max == 0) {
1316 PMD_INIT_LOG(ERR, "Get invalid rss_size_max(0) from PF.");
1320 hw->tqps_num = RTE_MIN(hw->rss_size_max, hw->tqps_num);
1326 hns3vf_get_port_base_vlan_filter_state(struct hns3_hw *hw)
1331 ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_VLAN,
1332 HNS3_MBX_GET_PORT_BASE_VLAN_STATE, NULL, 0,
1333 true, &resp_msg, sizeof(resp_msg));
1335 if (ret == -ETIME) {
1337 * Getting current port based VLAN state from PF driver
1338 * will not affect VF driver's basic function. Because
1339 * the VF driver relies on hns3 PF kernel ether driver,
1340 * to avoid introducing compatibility issues with older
1341 * version of PF driver, no failure will be returned
1342 * when the return value is ETIME. This return value has
1343 * the following scenarios:
1344 * 1) Firmware didn't return the results in time
1345 * 2) the result return by firmware is timeout
1346 * 3) the older version of kernel side PF driver does
1347 * not support this mailbox message.
1348 * For scenarios 1 and 2, it is most likely that a
1349 * hardware error has occurred, or a hardware reset has
1350 * occurred. In this case, these errors will be caught
1351 * by other functions.
1353 PMD_INIT_LOG(WARNING,
1354 "failed to get PVID state for timeout, maybe "
1355 "kernel side PF driver doesn't support this "
1356 "mailbox message, or firmware didn't respond.");
1357 resp_msg = HNS3_PORT_BASE_VLAN_DISABLE;
1359 PMD_INIT_LOG(ERR, "failed to get port based VLAN state,"
1364 hw->port_base_vlan_cfg.state = resp_msg ?
1365 HNS3_PORT_BASE_VLAN_ENABLE : HNS3_PORT_BASE_VLAN_DISABLE;
1370 hns3vf_get_queue_info(struct hns3_hw *hw)
1372 #define HNS3VF_TQPS_RSS_INFO_LEN 6
1373 uint8_t resp_msg[HNS3VF_TQPS_RSS_INFO_LEN];
1376 ret = hns3_send_mbx_msg(hw, HNS3_MBX_GET_QINFO, 0, NULL, 0, true,
1377 resp_msg, HNS3VF_TQPS_RSS_INFO_LEN);
1379 PMD_INIT_LOG(ERR, "Failed to get tqp info from PF: %d", ret);
1383 memcpy(&hw->tqps_num, &resp_msg[0], sizeof(uint16_t));
1384 memcpy(&hw->rss_size_max, &resp_msg[2], sizeof(uint16_t));
1386 return hns3vf_check_tqp_info(hw);
1390 hns3vf_get_queue_depth(struct hns3_hw *hw)
1392 #define HNS3VF_TQPS_DEPTH_INFO_LEN 4
1393 uint8_t resp_msg[HNS3VF_TQPS_DEPTH_INFO_LEN];
1396 ret = hns3_send_mbx_msg(hw, HNS3_MBX_GET_QDEPTH, 0, NULL, 0, true,
1397 resp_msg, HNS3VF_TQPS_DEPTH_INFO_LEN);
1399 PMD_INIT_LOG(ERR, "Failed to get tqp depth info from PF: %d",
1404 memcpy(&hw->num_tx_desc, &resp_msg[0], sizeof(uint16_t));
1405 memcpy(&hw->num_rx_desc, &resp_msg[2], sizeof(uint16_t));
1411 hns3vf_update_caps(struct hns3_hw *hw, uint32_t caps)
1413 if (hns3_get_bit(caps, HNS3VF_CAPS_VLAN_FLT_MOD_B))
1414 hns3_set_bit(hw->capability,
1415 HNS3_DEV_SUPPORT_VF_VLAN_FLT_MOD_B, 1);
1419 hns3vf_get_num_tc(struct hns3_hw *hw)
1424 for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
1425 if (hw->hw_tc_map & BIT(i))
1432 hns3vf_get_basic_info(struct hns3_hw *hw)
1434 uint8_t resp_msg[HNS3_MBX_MAX_RESP_DATA_SIZE];
1435 struct hns3_basic_info *basic_info;
1438 ret = hns3_send_mbx_msg(hw, HNS3_MBX_GET_BASIC_INFO, 0, NULL, 0,
1439 true, resp_msg, sizeof(resp_msg));
1441 hns3_err(hw, "failed to get basic info from PF, ret = %d.",
1446 basic_info = (struct hns3_basic_info *)resp_msg;
1447 hw->hw_tc_map = basic_info->hw_tc_map;
1448 hw->num_tc = hns3vf_get_num_tc(hw);
1449 hw->pf_vf_if_version = basic_info->pf_vf_if_version;
1450 hns3vf_update_caps(hw, basic_info->caps);
1456 hns3vf_get_host_mac_addr(struct hns3_hw *hw)
1458 uint8_t host_mac[RTE_ETHER_ADDR_LEN];
1461 ret = hns3_send_mbx_msg(hw, HNS3_MBX_GET_MAC_ADDR, 0, NULL, 0,
1462 true, host_mac, RTE_ETHER_ADDR_LEN);
1464 hns3_err(hw, "Failed to get mac addr from PF: %d", ret);
1468 memcpy(hw->mac.mac_addr, host_mac, RTE_ETHER_ADDR_LEN);
1474 hns3vf_get_configuration(struct hns3_hw *hw)
1478 hw->mac.media_type = HNS3_MEDIA_TYPE_NONE;
1479 hw->rss_dis_flag = false;
1481 /* Get device capability */
1482 ret = hns3vf_get_capability(hw);
1484 PMD_INIT_LOG(ERR, "failed to get device capability: %d.", ret);
1488 hns3vf_get_push_lsc_cap(hw);
1490 /* Get basic info from PF */
1491 ret = hns3vf_get_basic_info(hw);
1495 /* Get queue configuration from PF */
1496 ret = hns3vf_get_queue_info(hw);
1500 /* Get queue depth info from PF */
1501 ret = hns3vf_get_queue_depth(hw);
1505 /* Get user defined VF MAC addr from PF */
1506 ret = hns3vf_get_host_mac_addr(hw);
1510 return hns3vf_get_port_base_vlan_filter_state(hw);
1514 hns3vf_set_tc_queue_mapping(struct hns3_adapter *hns, uint16_t nb_rx_q,
1517 struct hns3_hw *hw = &hns->hw;
1519 return hns3_queue_to_tc_mapping(hw, nb_rx_q, nb_tx_q);
1523 hns3vf_request_link_info(struct hns3_hw *hw)
1525 struct hns3_vf *vf = HNS3_DEV_HW_TO_VF(hw);
1529 if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED))
1532 send_req = vf->pf_push_lsc_cap == HNS3_PF_PUSH_LSC_CAP_NOT_SUPPORTED ||
1533 vf->req_link_info_cnt > 0;
1537 ret = hns3_send_mbx_msg(hw, HNS3_MBX_GET_LINK_STATUS, 0, NULL, 0, false,
1540 hns3_err(hw, "failed to fetch link status, ret = %d", ret);
1544 if (vf->req_link_info_cnt > 0)
1545 vf->req_link_info_cnt--;
1549 hns3vf_update_link_status(struct hns3_hw *hw, uint8_t link_status,
1550 uint32_t link_speed, uint8_t link_duplex)
1552 struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
1553 struct hns3_vf *vf = HNS3_DEV_HW_TO_VF(hw);
1554 struct hns3_mac *mac = &hw->mac;
1558 * PF kernel driver may push link status when VF driver is in resetting,
1559 * driver will stop polling job in this case, after resetting done
1560 * driver will start polling job again.
1561 * When polling job started, driver will get initial link status by
1562 * sending request to PF kernel driver, then could update link status by
1563 * process PF kernel driver's link status mailbox message.
1565 if (!__atomic_load_n(&vf->poll_job_started, __ATOMIC_RELAXED))
1568 if (hw->adapter_state != HNS3_NIC_STARTED)
1571 mac->link_status = link_status;
1572 mac->link_speed = link_speed;
1573 mac->link_duplex = link_duplex;
1574 ret = hns3vf_dev_link_update(dev, 0);
1575 if (ret == 0 && dev->data->dev_conf.intr_conf.lsc != 0)
1576 hns3_start_report_lse(dev);
1580 hns3vf_vlan_filter_configure(struct hns3_adapter *hns, uint16_t vlan_id, int on)
1582 #define HNS3VF_VLAN_MBX_MSG_LEN 5
1583 struct hns3_hw *hw = &hns->hw;
1584 uint8_t msg_data[HNS3VF_VLAN_MBX_MSG_LEN];
1585 uint16_t proto = htons(RTE_ETHER_TYPE_VLAN);
1586 uint8_t is_kill = on ? 0 : 1;
1588 msg_data[0] = is_kill;
1589 memcpy(&msg_data[1], &vlan_id, sizeof(vlan_id));
1590 memcpy(&msg_data[3], &proto, sizeof(proto));
1592 return hns3_send_mbx_msg(hw, HNS3_MBX_SET_VLAN, HNS3_MBX_VLAN_FILTER,
1593 msg_data, HNS3VF_VLAN_MBX_MSG_LEN, true, NULL,
1598 hns3vf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
1600 struct hns3_adapter *hns = dev->data->dev_private;
1601 struct hns3_hw *hw = &hns->hw;
1604 if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED)) {
1606 "vf set vlan id failed during resetting, vlan_id =%u",
1610 rte_spinlock_lock(&hw->lock);
1611 ret = hns3vf_vlan_filter_configure(hns, vlan_id, on);
1612 rte_spinlock_unlock(&hw->lock);
1614 hns3_err(hw, "vf set vlan id failed, vlan_id =%u, ret =%d",
1621 hns3vf_en_vlan_filter(struct hns3_hw *hw, bool enable)
1626 if (!hns3_dev_vf_vlan_flt_supported(hw))
1629 msg_data = enable ? 1 : 0;
1630 ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_VLAN,
1631 HNS3_MBX_ENABLE_VLAN_FILTER, &msg_data,
1632 sizeof(msg_data), true, NULL, 0);
1634 hns3_err(hw, "%s vlan filter failed, ret = %d.",
1635 enable ? "enable" : "disable", ret);
1641 hns3vf_en_hw_strip_rxvtag(struct hns3_hw *hw, bool enable)
1646 msg_data = enable ? 1 : 0;
1647 ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_VLAN, HNS3_MBX_VLAN_RX_OFF_CFG,
1648 &msg_data, sizeof(msg_data), false, NULL, 0);
1650 hns3_err(hw, "vf %s strip failed, ret = %d.",
1651 enable ? "enable" : "disable", ret);
1657 hns3vf_vlan_offload_set(struct rte_eth_dev *dev, int mask)
1659 struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1660 struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
1661 unsigned int tmp_mask;
1664 if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED)) {
1665 hns3_err(hw, "vf set vlan offload failed during resetting, "
1666 "mask = 0x%x", mask);
1670 tmp_mask = (unsigned int)mask;
1672 if (tmp_mask & ETH_VLAN_FILTER_MASK) {
1673 rte_spinlock_lock(&hw->lock);
1674 /* Enable or disable VLAN filter */
1675 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
1676 ret = hns3vf_en_vlan_filter(hw, true);
1678 ret = hns3vf_en_vlan_filter(hw, false);
1679 rte_spinlock_unlock(&hw->lock);
1684 /* Vlan stripping setting */
1685 if (tmp_mask & ETH_VLAN_STRIP_MASK) {
1686 rte_spinlock_lock(&hw->lock);
1687 /* Enable or disable VLAN stripping */
1688 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
1689 ret = hns3vf_en_hw_strip_rxvtag(hw, true);
1691 ret = hns3vf_en_hw_strip_rxvtag(hw, false);
1692 rte_spinlock_unlock(&hw->lock);
1699 hns3vf_handle_all_vlan_table(struct hns3_adapter *hns, int on)
1701 struct rte_vlan_filter_conf *vfc;
1702 struct hns3_hw *hw = &hns->hw;
1709 vfc = &hw->data->vlan_filter_conf;
1710 for (i = 0; i < RTE_DIM(vfc->ids); i++) {
1711 if (vfc->ids[i] == 0)
1716 * 64 means the num bits of ids, one bit corresponds to
1720 /* count trailing zeroes */
1721 vbit = ~ids & (ids - 1);
1722 /* clear least significant bit set */
1723 ids ^= (ids ^ (ids - 1)) ^ vbit;
1728 ret = hns3vf_vlan_filter_configure(hns, vlan_id, on);
1731 "VF handle vlan table failed, ret =%d, on = %d",
1742 hns3vf_remove_all_vlan_table(struct hns3_adapter *hns)
1744 return hns3vf_handle_all_vlan_table(hns, 0);
1748 hns3vf_restore_vlan_conf(struct hns3_adapter *hns)
1750 struct hns3_hw *hw = &hns->hw;
1751 struct rte_eth_conf *dev_conf;
1755 dev_conf = &hw->data->dev_conf;
1756 en = dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP ? true
1758 ret = hns3vf_en_hw_strip_rxvtag(hw, en);
1760 hns3_err(hw, "VF restore vlan conf fail, en =%d, ret =%d", en,
1766 hns3vf_dev_configure_vlan(struct rte_eth_dev *dev)
1768 struct hns3_adapter *hns = dev->data->dev_private;
1769 struct rte_eth_dev_data *data = dev->data;
1770 struct hns3_hw *hw = &hns->hw;
1773 if (data->dev_conf.txmode.hw_vlan_reject_tagged ||
1774 data->dev_conf.txmode.hw_vlan_reject_untagged ||
1775 data->dev_conf.txmode.hw_vlan_insert_pvid) {
1776 hns3_warn(hw, "hw_vlan_reject_tagged, hw_vlan_reject_untagged "
1777 "or hw_vlan_insert_pvid is not support!");
1780 /* Apply vlan offload setting */
1781 ret = hns3vf_vlan_offload_set(dev, ETH_VLAN_STRIP_MASK |
1782 ETH_VLAN_FILTER_MASK);
1784 hns3_err(hw, "dev config vlan offload failed, ret = %d.", ret);
1790 hns3vf_set_alive(struct hns3_hw *hw, bool alive)
1794 msg_data = alive ? 1 : 0;
1795 return hns3_send_mbx_msg(hw, HNS3_MBX_SET_ALIVE, 0, &msg_data,
1796 sizeof(msg_data), false, NULL, 0);
1800 hns3vf_keep_alive_handler(void *param)
1802 struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
1803 struct hns3_adapter *hns = eth_dev->data->dev_private;
1804 struct hns3_hw *hw = &hns->hw;
1807 ret = hns3_send_mbx_msg(hw, HNS3_MBX_KEEP_ALIVE, 0, NULL, 0,
1810 hns3_err(hw, "VF sends keeping alive cmd failed(=%d)",
1813 rte_eal_alarm_set(HNS3VF_KEEP_ALIVE_INTERVAL, hns3vf_keep_alive_handler,
1818 hns3vf_service_handler(void *param)
1820 struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
1821 struct hns3_adapter *hns = eth_dev->data->dev_private;
1822 struct hns3_hw *hw = &hns->hw;
1825 * The query link status and reset processing are executed in the
1826 * interrupt thread. When the IMP reset occurs, IMP will not respond,
1827 * and the query operation will timeout after 30ms. In the case of
1828 * multiple PF/VFs, each query failure timeout causes the IMP reset
1829 * interrupt to fail to respond within 100ms.
1830 * Before querying the link status, check whether there is a reset
1831 * pending, and if so, abandon the query.
1833 if (!hns3vf_is_reset_pending(hns))
1834 hns3vf_request_link_info(hw);
1836 hns3_warn(hw, "Cancel the query when reset is pending");
1838 rte_eal_alarm_set(HNS3VF_SERVICE_INTERVAL, hns3vf_service_handler,
1843 hns3vf_start_poll_job(struct rte_eth_dev *dev)
1845 #define HNS3_REQUEST_LINK_INFO_REMAINS_CNT 3
1847 struct hns3_vf *vf = HNS3_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1849 if (vf->pf_push_lsc_cap == HNS3_PF_PUSH_LSC_CAP_SUPPORTED)
1850 vf->req_link_info_cnt = HNS3_REQUEST_LINK_INFO_REMAINS_CNT;
1852 __atomic_store_n(&vf->poll_job_started, 1, __ATOMIC_RELAXED);
1854 hns3vf_service_handler(dev);
1858 hns3vf_stop_poll_job(struct rte_eth_dev *dev)
1860 struct hns3_vf *vf = HNS3_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1862 rte_eal_alarm_cancel(hns3vf_service_handler, dev);
1864 __atomic_store_n(&vf->poll_job_started, 0, __ATOMIC_RELAXED);
1868 hns3_query_vf_resource(struct hns3_hw *hw)
1870 struct hns3_vf_res_cmd *req;
1871 struct hns3_cmd_desc desc;
1875 hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_VF_RSRC, true);
1876 ret = hns3_cmd_send(hw, &desc, 1);
1878 hns3_err(hw, "query vf resource failed, ret = %d", ret);
1882 req = (struct hns3_vf_res_cmd *)desc.data;
1883 num_msi = hns3_get_field(rte_le_to_cpu_16(req->vf_intr_vector_number),
1884 HNS3_VF_VEC_NUM_M, HNS3_VF_VEC_NUM_S);
1885 if (num_msi < HNS3_MIN_VECTOR_NUM) {
1886 hns3_err(hw, "Just %u msi resources, not enough for vf(min:%d)",
1887 num_msi, HNS3_MIN_VECTOR_NUM);
1891 hw->num_msi = num_msi;
1897 hns3vf_init_hardware(struct hns3_adapter *hns)
1899 struct hns3_hw *hw = &hns->hw;
1900 uint16_t mtu = hw->data->mtu;
1903 ret = hns3vf_set_promisc_mode(hw, true, false, false);
1907 ret = hns3vf_config_mtu(hw, mtu);
1909 goto err_init_hardware;
1911 ret = hns3vf_vlan_filter_configure(hns, 0, 1);
1913 PMD_INIT_LOG(ERR, "Failed to initialize VLAN config: %d", ret);
1914 goto err_init_hardware;
1917 ret = hns3_config_gro(hw, false);
1919 PMD_INIT_LOG(ERR, "Failed to config gro: %d", ret);
1920 goto err_init_hardware;
1924 * In the initialization clearing the all hardware mapping relationship
1925 * configurations between queues and interrupt vectors is needed, so
1926 * some error caused by the residual configurations, such as the
1927 * unexpected interrupt, can be avoid.
1929 ret = hns3vf_init_ring_with_vector(hw);
1931 PMD_INIT_LOG(ERR, "Failed to init ring intr vector: %d", ret);
1932 goto err_init_hardware;
1938 (void)hns3vf_set_promisc_mode(hw, false, false, false);
1943 hns3vf_clear_vport_list(struct hns3_hw *hw)
1945 return hns3_send_mbx_msg(hw, HNS3_MBX_HANDLE_VF_TBL,
1946 HNS3_MBX_VPORT_LIST_CLEAR, NULL, 0, false,
1951 hns3vf_init_vf(struct rte_eth_dev *eth_dev)
1953 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1954 struct hns3_adapter *hns = eth_dev->data->dev_private;
1955 struct hns3_hw *hw = &hns->hw;
1958 PMD_INIT_FUNC_TRACE();
1960 /* Get hardware io base address from pcie BAR2 IO space */
1961 hw->io_base = pci_dev->mem_resource[2].addr;
1963 /* Firmware command queue initialize */
1964 ret = hns3_cmd_init_queue(hw);
1966 PMD_INIT_LOG(ERR, "Failed to init cmd queue: %d", ret);
1967 goto err_cmd_init_queue;
1970 /* Firmware command initialize */
1971 ret = hns3_cmd_init(hw);
1973 PMD_INIT_LOG(ERR, "Failed to init cmd: %d", ret);
1977 hns3_tx_push_init(eth_dev);
1979 /* Get VF resource */
1980 ret = hns3_query_vf_resource(hw);
1984 rte_spinlock_init(&hw->mbx_resp.lock);
1986 hns3vf_clear_event_cause(hw, 0);
1988 ret = rte_intr_callback_register(&pci_dev->intr_handle,
1989 hns3vf_interrupt_handler, eth_dev);
1991 PMD_INIT_LOG(ERR, "Failed to register intr: %d", ret);
1992 goto err_intr_callback_register;
1995 /* Enable interrupt */
1996 rte_intr_enable(&pci_dev->intr_handle);
1997 hns3vf_enable_irq0(hw);
1999 /* Get configuration from PF */
2000 ret = hns3vf_get_configuration(hw);
2002 PMD_INIT_LOG(ERR, "Failed to fetch configuration: %d", ret);
2003 goto err_get_config;
2006 ret = hns3_tqp_stats_init(hw);
2008 goto err_get_config;
2010 /* Hardware statistics of imissed registers cleared. */
2011 ret = hns3_update_imissed_stats(hw, true);
2013 hns3_err(hw, "clear imissed stats failed, ret = %d", ret);
2014 goto err_set_tc_queue;
2017 ret = hns3vf_set_tc_queue_mapping(hns, hw->tqps_num, hw->tqps_num);
2019 PMD_INIT_LOG(ERR, "failed to set tc info, ret = %d.", ret);
2020 goto err_set_tc_queue;
2023 ret = hns3vf_clear_vport_list(hw);
2025 PMD_INIT_LOG(ERR, "Failed to clear tbl list: %d", ret);
2026 goto err_set_tc_queue;
2029 ret = hns3vf_init_hardware(hns);
2031 goto err_set_tc_queue;
2033 hns3_rss_set_default_args(hw);
2035 ret = hns3vf_set_alive(hw, true);
2037 PMD_INIT_LOG(ERR, "Failed to VF send alive to PF: %d", ret);
2038 goto err_set_tc_queue;
2044 hns3_tqp_stats_uninit(hw);
2047 hns3vf_disable_irq0(hw);
2048 rte_intr_disable(&pci_dev->intr_handle);
2049 hns3_intr_unregister(&pci_dev->intr_handle, hns3vf_interrupt_handler,
2051 err_intr_callback_register:
2053 hns3_cmd_uninit(hw);
2054 hns3_cmd_destroy_queue(hw);
2062 hns3vf_uninit_vf(struct rte_eth_dev *eth_dev)
2064 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
2065 struct hns3_adapter *hns = eth_dev->data->dev_private;
2066 struct hns3_hw *hw = &hns->hw;
2068 PMD_INIT_FUNC_TRACE();
2070 hns3_rss_uninit(hns);
2071 (void)hns3_config_gro(hw, false);
2072 (void)hns3vf_set_alive(hw, false);
2073 (void)hns3vf_set_promisc_mode(hw, false, false, false);
2074 hns3_tqp_stats_uninit(hw);
2075 hns3vf_disable_irq0(hw);
2076 rte_intr_disable(&pci_dev->intr_handle);
2077 hns3_intr_unregister(&pci_dev->intr_handle, hns3vf_interrupt_handler,
2079 hns3_cmd_uninit(hw);
2080 hns3_cmd_destroy_queue(hw);
2085 hns3vf_do_stop(struct hns3_adapter *hns)
2087 struct hns3_hw *hw = &hns->hw;
2090 hw->mac.link_status = ETH_LINK_DOWN;
2093 * The "hns3vf_do_stop" function will also be called by .stop_service to
2094 * prepare reset. At the time of global or IMP reset, the command cannot
2095 * be sent to stop the tx/rx queues. The mbuf in Tx/Rx queues may be
2096 * accessed during the reset process. So the mbuf can not be released
2097 * during reset and is required to be released after the reset is
2100 if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0)
2101 hns3_dev_release_mbufs(hns);
2103 if (__atomic_load_n(&hw->reset.disable_cmd, __ATOMIC_RELAXED) == 0) {
2104 hns3vf_configure_mac_addr(hns, true);
2105 ret = hns3_reset_all_tqps(hns);
2107 hns3_err(hw, "failed to reset all queues ret = %d",
2116 hns3vf_unmap_rx_interrupt(struct rte_eth_dev *dev)
2118 struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2119 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2120 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2121 uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
2122 uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
2125 if (dev->data->dev_conf.intr_conf.rxq == 0)
2128 /* unmap the ring with vector */
2129 if (rte_intr_allow_others(intr_handle)) {
2130 vec = RTE_INTR_VEC_RXTX_OFFSET;
2131 base = RTE_INTR_VEC_RXTX_OFFSET;
2133 if (rte_intr_dp_is_en(intr_handle)) {
2134 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
2135 (void)hns3vf_bind_ring_with_vector(hw, vec, false,
2138 if (vec < base + intr_handle->nb_efd - 1)
2142 /* Clean datapath event and queue/vec mapping */
2143 rte_intr_efd_disable(intr_handle);
2144 if (intr_handle->intr_vec) {
2145 rte_free(intr_handle->intr_vec);
2146 intr_handle->intr_vec = NULL;
2151 hns3vf_dev_stop(struct rte_eth_dev *dev)
2153 struct hns3_adapter *hns = dev->data->dev_private;
2154 struct hns3_hw *hw = &hns->hw;
2156 PMD_INIT_FUNC_TRACE();
2157 dev->data->dev_started = 0;
2159 hw->adapter_state = HNS3_NIC_STOPPING;
2160 hns3_set_rxtx_function(dev);
2162 /* Disable datapath on secondary process. */
2163 hns3_mp_req_stop_rxtx(dev);
2164 /* Prevent crashes when queues are still in use. */
2165 rte_delay_ms(hw->cfg_max_queues);
2167 rte_spinlock_lock(&hw->lock);
2168 if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
2170 hns3vf_do_stop(hns);
2171 hns3vf_unmap_rx_interrupt(dev);
2172 hw->adapter_state = HNS3_NIC_CONFIGURED;
2174 hns3_rx_scattered_reset(dev);
2175 hns3vf_stop_poll_job(dev);
2176 hns3_stop_report_lse(dev);
2177 rte_spinlock_unlock(&hw->lock);
2183 hns3vf_dev_close(struct rte_eth_dev *eth_dev)
2185 struct hns3_adapter *hns = eth_dev->data->dev_private;
2186 struct hns3_hw *hw = &hns->hw;
2189 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2190 rte_free(eth_dev->process_private);
2191 eth_dev->process_private = NULL;
2195 if (hw->adapter_state == HNS3_NIC_STARTED)
2196 ret = hns3vf_dev_stop(eth_dev);
2198 hw->adapter_state = HNS3_NIC_CLOSING;
2199 hns3_reset_abort(hns);
2200 hw->adapter_state = HNS3_NIC_CLOSED;
2201 rte_eal_alarm_cancel(hns3vf_keep_alive_handler, eth_dev);
2202 hns3vf_configure_all_mc_mac_addr(hns, true);
2203 hns3vf_remove_all_vlan_table(hns);
2204 hns3vf_uninit_vf(eth_dev);
2205 hns3_free_all_queues(eth_dev);
2206 rte_free(hw->reset.wait_data);
2207 rte_free(eth_dev->process_private);
2208 eth_dev->process_private = NULL;
2209 hns3_mp_uninit_primary();
2210 hns3_warn(hw, "Close port %u finished", hw->data->port_id);
2216 hns3vf_fw_version_get(struct rte_eth_dev *eth_dev, char *fw_version,
2219 struct hns3_adapter *hns = eth_dev->data->dev_private;
2220 struct hns3_hw *hw = &hns->hw;
2221 uint32_t version = hw->fw_version;
2224 ret = snprintf(fw_version, fw_size, "%lu.%lu.%lu.%lu",
2225 hns3_get_field(version, HNS3_FW_VERSION_BYTE3_M,
2226 HNS3_FW_VERSION_BYTE3_S),
2227 hns3_get_field(version, HNS3_FW_VERSION_BYTE2_M,
2228 HNS3_FW_VERSION_BYTE2_S),
2229 hns3_get_field(version, HNS3_FW_VERSION_BYTE1_M,
2230 HNS3_FW_VERSION_BYTE1_S),
2231 hns3_get_field(version, HNS3_FW_VERSION_BYTE0_M,
2232 HNS3_FW_VERSION_BYTE0_S));
2236 ret += 1; /* add the size of '\0' */
2237 if (fw_size < (size_t)ret)
2244 hns3vf_dev_link_update(struct rte_eth_dev *eth_dev,
2245 __rte_unused int wait_to_complete)
2247 struct hns3_adapter *hns = eth_dev->data->dev_private;
2248 struct hns3_hw *hw = &hns->hw;
2249 struct hns3_mac *mac = &hw->mac;
2250 struct rte_eth_link new_link;
2252 memset(&new_link, 0, sizeof(new_link));
2253 switch (mac->link_speed) {
2254 case ETH_SPEED_NUM_10M:
2255 case ETH_SPEED_NUM_100M:
2256 case ETH_SPEED_NUM_1G:
2257 case ETH_SPEED_NUM_10G:
2258 case ETH_SPEED_NUM_25G:
2259 case ETH_SPEED_NUM_40G:
2260 case ETH_SPEED_NUM_50G:
2261 case ETH_SPEED_NUM_100G:
2262 case ETH_SPEED_NUM_200G:
2263 if (mac->link_status)
2264 new_link.link_speed = mac->link_speed;
2267 if (mac->link_status)
2268 new_link.link_speed = ETH_SPEED_NUM_UNKNOWN;
2272 if (!mac->link_status)
2273 new_link.link_speed = ETH_SPEED_NUM_NONE;
2275 new_link.link_duplex = mac->link_duplex;
2276 new_link.link_status = mac->link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
2277 new_link.link_autoneg =
2278 !(eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED);
2280 return rte_eth_linkstatus_set(eth_dev, &new_link);
2284 hns3vf_do_start(struct hns3_adapter *hns, bool reset_queue)
2286 struct hns3_hw *hw = &hns->hw;
2287 uint16_t nb_rx_q = hw->data->nb_rx_queues;
2288 uint16_t nb_tx_q = hw->data->nb_tx_queues;
2291 ret = hns3vf_set_tc_queue_mapping(hns, nb_rx_q, nb_tx_q);
2295 hns3_enable_rxd_adv_layout(hw);
2297 ret = hns3_init_queues(hns, reset_queue);
2299 hns3_err(hw, "failed to init queues, ret = %d.", ret);
2305 hns3vf_map_rx_interrupt(struct rte_eth_dev *dev)
2307 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2308 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2309 struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2310 uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
2311 uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
2312 uint32_t intr_vector;
2317 * hns3 needs a separate interrupt to be used as event interrupt which
2318 * could not be shared with task queue pair, so KERNEL drivers need
2319 * support multiple interrupt vectors.
2321 if (dev->data->dev_conf.intr_conf.rxq == 0 ||
2322 !rte_intr_cap_multiple(intr_handle))
2325 rte_intr_disable(intr_handle);
2326 intr_vector = hw->used_rx_queues;
2327 /* It creates event fd for each intr vector when MSIX is used */
2328 if (rte_intr_efd_enable(intr_handle, intr_vector))
2331 if (intr_handle->intr_vec == NULL) {
2332 intr_handle->intr_vec =
2333 rte_zmalloc("intr_vec",
2334 hw->used_rx_queues * sizeof(int), 0);
2335 if (intr_handle->intr_vec == NULL) {
2336 hns3_err(hw, "Failed to allocate %u rx_queues"
2337 " intr_vec", hw->used_rx_queues);
2339 goto vf_alloc_intr_vec_error;
2343 if (rte_intr_allow_others(intr_handle)) {
2344 vec = RTE_INTR_VEC_RXTX_OFFSET;
2345 base = RTE_INTR_VEC_RXTX_OFFSET;
2348 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
2349 ret = hns3vf_bind_ring_with_vector(hw, vec, true,
2350 HNS3_RING_TYPE_RX, q_id);
2352 goto vf_bind_vector_error;
2353 intr_handle->intr_vec[q_id] = vec;
2355 * If there are not enough efds (e.g. not enough interrupt),
2356 * remaining queues will be bond to the last interrupt.
2358 if (vec < base + intr_handle->nb_efd - 1)
2361 rte_intr_enable(intr_handle);
2364 vf_bind_vector_error:
2365 free(intr_handle->intr_vec);
2366 intr_handle->intr_vec = NULL;
2367 vf_alloc_intr_vec_error:
2368 rte_intr_efd_disable(intr_handle);
2373 hns3vf_restore_rx_interrupt(struct hns3_hw *hw)
2375 struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
2376 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2377 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2381 if (dev->data->dev_conf.intr_conf.rxq == 0)
2384 if (rte_intr_dp_is_en(intr_handle)) {
2385 for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
2386 ret = hns3vf_bind_ring_with_vector(hw,
2387 intr_handle->intr_vec[q_id], true,
2388 HNS3_RING_TYPE_RX, q_id);
2398 hns3vf_restore_filter(struct rte_eth_dev *dev)
2400 hns3_restore_rss_filter(dev);
2404 hns3vf_dev_start(struct rte_eth_dev *dev)
2406 struct hns3_adapter *hns = dev->data->dev_private;
2407 struct hns3_hw *hw = &hns->hw;
2410 PMD_INIT_FUNC_TRACE();
2411 if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED))
2414 rte_spinlock_lock(&hw->lock);
2415 hw->adapter_state = HNS3_NIC_STARTING;
2416 ret = hns3vf_do_start(hns, true);
2418 hw->adapter_state = HNS3_NIC_CONFIGURED;
2419 rte_spinlock_unlock(&hw->lock);
2422 ret = hns3vf_map_rx_interrupt(dev);
2424 goto map_rx_inter_err;
2427 * There are three register used to control the status of a TQP
2428 * (contains a pair of Tx queue and Rx queue) in the new version network
2429 * engine. One is used to control the enabling of Tx queue, the other is
2430 * used to control the enabling of Rx queue, and the last is the master
2431 * switch used to control the enabling of the tqp. The Tx register and
2432 * TQP register must be enabled at the same time to enable a Tx queue.
2433 * The same applies to the Rx queue. For the older network enginem, this
2434 * function only refresh the enabled flag, and it is used to update the
2435 * status of queue in the dpdk framework.
2437 ret = hns3_start_all_txqs(dev);
2439 goto map_rx_inter_err;
2441 ret = hns3_start_all_rxqs(dev);
2443 goto start_all_rxqs_fail;
2445 hw->adapter_state = HNS3_NIC_STARTED;
2446 rte_spinlock_unlock(&hw->lock);
2448 hns3_rx_scattered_calc(dev);
2449 hns3_set_rxtx_function(dev);
2450 hns3_mp_req_start_rxtx(dev);
2452 hns3vf_restore_filter(dev);
2454 /* Enable interrupt of all rx queues before enabling queues */
2455 hns3_dev_all_rx_queue_intr_enable(hw, true);
2456 hns3_start_tqps(hw);
2458 if (dev->data->dev_conf.intr_conf.lsc != 0)
2459 hns3vf_dev_link_update(dev, 0);
2460 hns3vf_start_poll_job(dev);
2464 start_all_rxqs_fail:
2465 hns3_stop_all_txqs(dev);
2467 (void)hns3vf_do_stop(hns);
2468 hw->adapter_state = HNS3_NIC_CONFIGURED;
2469 rte_spinlock_unlock(&hw->lock);
2475 is_vf_reset_done(struct hns3_hw *hw)
2477 #define HNS3_FUN_RST_ING_BITS \
2478 (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) | \
2479 BIT(HNS3_VECTOR0_CORERESET_INT_B) | \
2480 BIT(HNS3_VECTOR0_IMPRESET_INT_B) | \
2481 BIT(HNS3_VECTOR0_FUNCRESET_INT_B))
2485 if (hw->reset.level == HNS3_VF_RESET) {
2486 val = hns3_read_dev(hw, HNS3_VF_RST_ING);
2487 if (val & HNS3_VF_RST_ING_BIT)
2490 val = hns3_read_dev(hw, HNS3_FUN_RST_ING);
2491 if (val & HNS3_FUN_RST_ING_BITS)
2498 hns3vf_is_reset_pending(struct hns3_adapter *hns)
2500 struct hns3_hw *hw = &hns->hw;
2501 enum hns3_reset_level reset;
2504 * According to the protocol of PCIe, FLR to a PF device resets the PF
2505 * state as well as the SR-IOV extended capability including VF Enable
2506 * which means that VFs no longer exist.
2508 * HNS3_VF_FULL_RESET means PF device is in FLR reset. when PF device
2509 * is in FLR stage, the register state of VF device is not reliable,
2510 * so register states detection can not be carried out. In this case,
2511 * we just ignore the register states and return false to indicate that
2512 * there are no other reset states that need to be processed by driver.
2514 if (hw->reset.level == HNS3_VF_FULL_RESET)
2517 /* Check the registers to confirm whether there is reset pending */
2518 hns3vf_check_event_cause(hns, NULL);
2519 reset = hns3vf_get_reset_level(hw, &hw->reset.pending);
2520 if (hw->reset.level != HNS3_NONE_RESET && reset != HNS3_NONE_RESET &&
2521 hw->reset.level < reset) {
2522 hns3_warn(hw, "High level reset %d is pending", reset);
2529 hns3vf_wait_hardware_ready(struct hns3_adapter *hns)
2531 struct hns3_hw *hw = &hns->hw;
2532 struct hns3_wait_data *wait_data = hw->reset.wait_data;
2535 if (wait_data->result == HNS3_WAIT_SUCCESS) {
2537 * After vf reset is ready, the PF may not have completed
2538 * the reset processing. The vf sending mbox to PF may fail
2539 * during the pf reset, so it is better to add extra delay.
2541 if (hw->reset.level == HNS3_VF_FUNC_RESET ||
2542 hw->reset.level == HNS3_FLR_RESET)
2544 /* Reset retry process, no need to add extra delay. */
2545 if (hw->reset.attempts)
2547 if (wait_data->check_completion == NULL)
2550 wait_data->check_completion = NULL;
2551 wait_data->interval = 1 * MSEC_PER_SEC * USEC_PER_MSEC;
2552 wait_data->count = 1;
2553 wait_data->result = HNS3_WAIT_REQUEST;
2554 rte_eal_alarm_set(wait_data->interval, hns3_wait_callback,
2556 hns3_warn(hw, "hardware is ready, delay 1 sec for PF reset complete");
2558 } else if (wait_data->result == HNS3_WAIT_TIMEOUT) {
2559 hns3_clock_gettime(&tv);
2560 hns3_warn(hw, "Reset step4 hardware not ready after reset time=%ld.%.6ld",
2561 tv.tv_sec, tv.tv_usec);
2563 } else if (wait_data->result == HNS3_WAIT_REQUEST)
2566 wait_data->hns = hns;
2567 wait_data->check_completion = is_vf_reset_done;
2568 wait_data->end_ms = (uint64_t)HNS3VF_RESET_WAIT_CNT *
2569 HNS3VF_RESET_WAIT_MS + hns3_clock_gettime_ms();
2570 wait_data->interval = HNS3VF_RESET_WAIT_MS * USEC_PER_MSEC;
2571 wait_data->count = HNS3VF_RESET_WAIT_CNT;
2572 wait_data->result = HNS3_WAIT_REQUEST;
2573 rte_eal_alarm_set(wait_data->interval, hns3_wait_callback, wait_data);
2578 hns3vf_prepare_reset(struct hns3_adapter *hns)
2580 struct hns3_hw *hw = &hns->hw;
2583 if (hw->reset.level == HNS3_VF_FUNC_RESET) {
2584 ret = hns3_send_mbx_msg(hw, HNS3_MBX_RESET, 0, NULL,
2589 __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED);
2595 hns3vf_stop_service(struct hns3_adapter *hns)
2597 struct hns3_hw *hw = &hns->hw;
2598 struct rte_eth_dev *eth_dev;
2600 eth_dev = &rte_eth_devices[hw->data->port_id];
2601 if (hw->adapter_state == HNS3_NIC_STARTED) {
2603 * Make sure call update link status before hns3vf_stop_poll_job
2604 * because update link status depend on polling job exist.
2606 hns3vf_update_link_status(hw, ETH_LINK_DOWN, hw->mac.link_speed,
2607 hw->mac.link_duplex);
2608 hns3vf_stop_poll_job(eth_dev);
2610 hw->mac.link_status = ETH_LINK_DOWN;
2612 hns3_set_rxtx_function(eth_dev);
2614 /* Disable datapath on secondary process. */
2615 hns3_mp_req_stop_rxtx(eth_dev);
2616 rte_delay_ms(hw->cfg_max_queues);
2618 rte_spinlock_lock(&hw->lock);
2619 if (hw->adapter_state == HNS3_NIC_STARTED ||
2620 hw->adapter_state == HNS3_NIC_STOPPING) {
2621 hns3_enable_all_queues(hw, false);
2622 hns3vf_do_stop(hns);
2623 hw->reset.mbuf_deferred_free = true;
2625 hw->reset.mbuf_deferred_free = false;
2628 * It is cumbersome for hardware to pick-and-choose entries for deletion
2629 * from table space. Hence, for function reset software intervention is
2630 * required to delete the entries.
2632 if (__atomic_load_n(&hw->reset.disable_cmd, __ATOMIC_RELAXED) == 0)
2633 hns3vf_configure_all_mc_mac_addr(hns, true);
2634 rte_spinlock_unlock(&hw->lock);
2640 hns3vf_start_service(struct hns3_adapter *hns)
2642 struct hns3_hw *hw = &hns->hw;
2643 struct rte_eth_dev *eth_dev;
2645 eth_dev = &rte_eth_devices[hw->data->port_id];
2646 hns3_set_rxtx_function(eth_dev);
2647 hns3_mp_req_start_rxtx(eth_dev);
2648 if (hw->adapter_state == HNS3_NIC_STARTED) {
2649 hns3vf_start_poll_job(eth_dev);
2651 /* Enable interrupt of all rx queues before enabling queues */
2652 hns3_dev_all_rx_queue_intr_enable(hw, true);
2654 * Enable state of each rxq and txq will be recovered after
2655 * reset, so we need to restore them before enable all tqps;
2657 hns3_restore_tqp_enable_state(hw);
2659 * When finished the initialization, enable queues to receive
2660 * and transmit packets.
2662 hns3_enable_all_queues(hw, true);
2669 hns3vf_check_default_mac_change(struct hns3_hw *hw)
2671 char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
2672 struct rte_ether_addr *hw_mac;
2676 * The hns3 PF ethdev driver in kernel support setting VF MAC address
2677 * on the host by "ip link set ..." command. If the hns3 PF kernel
2678 * ethdev driver sets the MAC address for VF device after the
2679 * initialization of the related VF device, the PF driver will notify
2680 * VF driver to reset VF device to make the new MAC address effective
2681 * immediately. The hns3 VF PMD driver should check whether the MAC
2682 * address has been changed by the PF kernel ethdev driver, if changed
2683 * VF driver should configure hardware using the new MAC address in the
2684 * recovering hardware configuration stage of the reset process.
2686 ret = hns3vf_get_host_mac_addr(hw);
2690 hw_mac = (struct rte_ether_addr *)hw->mac.mac_addr;
2691 ret = rte_is_zero_ether_addr(hw_mac);
2693 rte_ether_addr_copy(&hw->data->mac_addrs[0], hw_mac);
2695 ret = rte_is_same_ether_addr(&hw->data->mac_addrs[0], hw_mac);
2697 rte_ether_addr_copy(hw_mac, &hw->data->mac_addrs[0]);
2698 hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
2699 &hw->data->mac_addrs[0]);
2700 hns3_warn(hw, "Default MAC address has been changed to:"
2701 " %s by the host PF kernel ethdev driver",
2710 hns3vf_restore_conf(struct hns3_adapter *hns)
2712 struct hns3_hw *hw = &hns->hw;
2715 ret = hns3vf_check_default_mac_change(hw);
2719 ret = hns3vf_configure_mac_addr(hns, false);
2723 ret = hns3vf_configure_all_mc_mac_addr(hns, false);
2727 ret = hns3vf_restore_promisc(hns);
2729 goto err_vlan_table;
2731 ret = hns3vf_restore_vlan_conf(hns);
2733 goto err_vlan_table;
2735 ret = hns3vf_get_port_base_vlan_filter_state(hw);
2737 goto err_vlan_table;
2739 ret = hns3vf_restore_rx_interrupt(hw);
2741 goto err_vlan_table;
2743 ret = hns3_restore_gro_conf(hw);
2745 goto err_vlan_table;
2747 if (hw->adapter_state == HNS3_NIC_STARTED) {
2748 ret = hns3vf_do_start(hns, false);
2750 goto err_vlan_table;
2751 hns3_info(hw, "hns3vf dev restart successful!");
2752 } else if (hw->adapter_state == HNS3_NIC_STOPPING)
2753 hw->adapter_state = HNS3_NIC_CONFIGURED;
2755 ret = hns3vf_set_alive(hw, true);
2757 hns3_err(hw, "failed to VF send alive to PF: %d", ret);
2758 goto err_vlan_table;
2764 hns3vf_configure_all_mc_mac_addr(hns, true);
2766 hns3vf_configure_mac_addr(hns, true);
2770 static enum hns3_reset_level
2771 hns3vf_get_reset_level(struct hns3_hw *hw, uint64_t *levels)
2773 enum hns3_reset_level reset_level;
2775 /* return the highest priority reset level amongst all */
2776 if (hns3_atomic_test_bit(HNS3_VF_RESET, levels))
2777 reset_level = HNS3_VF_RESET;
2778 else if (hns3_atomic_test_bit(HNS3_VF_FULL_RESET, levels))
2779 reset_level = HNS3_VF_FULL_RESET;
2780 else if (hns3_atomic_test_bit(HNS3_VF_PF_FUNC_RESET, levels))
2781 reset_level = HNS3_VF_PF_FUNC_RESET;
2782 else if (hns3_atomic_test_bit(HNS3_VF_FUNC_RESET, levels))
2783 reset_level = HNS3_VF_FUNC_RESET;
2784 else if (hns3_atomic_test_bit(HNS3_FLR_RESET, levels))
2785 reset_level = HNS3_FLR_RESET;
2787 reset_level = HNS3_NONE_RESET;
2789 if (hw->reset.level != HNS3_NONE_RESET && reset_level < hw->reset.level)
2790 return HNS3_NONE_RESET;
2796 hns3vf_reset_service(void *param)
2798 struct hns3_adapter *hns = (struct hns3_adapter *)param;
2799 struct hns3_hw *hw = &hns->hw;
2800 enum hns3_reset_level reset_level;
2801 struct timeval tv_delta;
2802 struct timeval tv_start;
2807 * The interrupt is not triggered within the delay time.
2808 * The interrupt may have been lost. It is necessary to handle
2809 * the interrupt to recover from the error.
2811 if (__atomic_load_n(&hw->reset.schedule, __ATOMIC_RELAXED) ==
2812 SCHEDULE_DEFERRED) {
2813 __atomic_store_n(&hw->reset.schedule, SCHEDULE_REQUESTED,
2815 hns3_err(hw, "Handling interrupts in delayed tasks");
2816 hns3vf_interrupt_handler(&rte_eth_devices[hw->data->port_id]);
2817 reset_level = hns3vf_get_reset_level(hw, &hw->reset.pending);
2818 if (reset_level == HNS3_NONE_RESET) {
2819 hns3_err(hw, "No reset level is set, try global reset");
2820 hns3_atomic_set_bit(HNS3_VF_RESET, &hw->reset.pending);
2823 __atomic_store_n(&hw->reset.schedule, SCHEDULE_NONE, __ATOMIC_RELAXED);
2826 * Hardware reset has been notified, we now have to poll & check if
2827 * hardware has actually completed the reset sequence.
2829 reset_level = hns3vf_get_reset_level(hw, &hw->reset.pending);
2830 if (reset_level != HNS3_NONE_RESET) {
2831 hns3_clock_gettime(&tv_start);
2832 hns3_reset_process(hns, reset_level);
2833 hns3_clock_gettime(&tv);
2834 timersub(&tv, &tv_start, &tv_delta);
2835 msec = hns3_clock_calctime_ms(&tv_delta);
2836 if (msec > HNS3_RESET_PROCESS_MS)
2837 hns3_err(hw, "%d handle long time delta %" PRIu64
2838 " ms time=%ld.%.6ld",
2839 hw->reset.level, msec, tv.tv_sec, tv.tv_usec);
2844 hns3vf_reinit_dev(struct hns3_adapter *hns)
2846 struct rte_eth_dev *eth_dev = &rte_eth_devices[hns->hw.data->port_id];
2847 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
2848 struct hns3_hw *hw = &hns->hw;
2851 if (hw->reset.level == HNS3_VF_FULL_RESET) {
2852 rte_intr_disable(&pci_dev->intr_handle);
2853 ret = hns3vf_set_bus_master(pci_dev, true);
2855 hns3_err(hw, "failed to set pci bus, ret = %d", ret);
2860 /* Firmware command initialize */
2861 ret = hns3_cmd_init(hw);
2863 hns3_err(hw, "Failed to init cmd: %d", ret);
2867 if (hw->reset.level == HNS3_VF_FULL_RESET) {
2869 * UIO enables msix by writing the pcie configuration space
2870 * vfio_pci enables msix in rte_intr_enable.
2872 if (pci_dev->kdrv == RTE_PCI_KDRV_IGB_UIO ||
2873 pci_dev->kdrv == RTE_PCI_KDRV_UIO_GENERIC) {
2874 if (hns3vf_enable_msix(pci_dev, true))
2875 hns3_err(hw, "Failed to enable msix");
2878 rte_intr_enable(&pci_dev->intr_handle);
2881 ret = hns3_reset_all_tqps(hns);
2883 hns3_err(hw, "Failed to reset all queues: %d", ret);
2887 ret = hns3vf_init_hardware(hns);
2889 hns3_err(hw, "Failed to init hardware: %d", ret);
2896 static const struct eth_dev_ops hns3vf_eth_dev_ops = {
2897 .dev_configure = hns3vf_dev_configure,
2898 .dev_start = hns3vf_dev_start,
2899 .dev_stop = hns3vf_dev_stop,
2900 .dev_close = hns3vf_dev_close,
2901 .mtu_set = hns3vf_dev_mtu_set,
2902 .promiscuous_enable = hns3vf_dev_promiscuous_enable,
2903 .promiscuous_disable = hns3vf_dev_promiscuous_disable,
2904 .allmulticast_enable = hns3vf_dev_allmulticast_enable,
2905 .allmulticast_disable = hns3vf_dev_allmulticast_disable,
2906 .stats_get = hns3_stats_get,
2907 .stats_reset = hns3_stats_reset,
2908 .xstats_get = hns3_dev_xstats_get,
2909 .xstats_get_names = hns3_dev_xstats_get_names,
2910 .xstats_reset = hns3_dev_xstats_reset,
2911 .xstats_get_by_id = hns3_dev_xstats_get_by_id,
2912 .xstats_get_names_by_id = hns3_dev_xstats_get_names_by_id,
2913 .dev_infos_get = hns3vf_dev_infos_get,
2914 .fw_version_get = hns3vf_fw_version_get,
2915 .rx_queue_setup = hns3_rx_queue_setup,
2916 .tx_queue_setup = hns3_tx_queue_setup,
2917 .rx_queue_release = hns3_dev_rx_queue_release,
2918 .tx_queue_release = hns3_dev_tx_queue_release,
2919 .rx_queue_start = hns3_dev_rx_queue_start,
2920 .rx_queue_stop = hns3_dev_rx_queue_stop,
2921 .tx_queue_start = hns3_dev_tx_queue_start,
2922 .tx_queue_stop = hns3_dev_tx_queue_stop,
2923 .rx_queue_intr_enable = hns3_dev_rx_queue_intr_enable,
2924 .rx_queue_intr_disable = hns3_dev_rx_queue_intr_disable,
2925 .rxq_info_get = hns3_rxq_info_get,
2926 .txq_info_get = hns3_txq_info_get,
2927 .rx_burst_mode_get = hns3_rx_burst_mode_get,
2928 .tx_burst_mode_get = hns3_tx_burst_mode_get,
2929 .mac_addr_add = hns3vf_add_mac_addr,
2930 .mac_addr_remove = hns3vf_remove_mac_addr,
2931 .mac_addr_set = hns3vf_set_default_mac_addr,
2932 .set_mc_addr_list = hns3vf_set_mc_mac_addr_list,
2933 .link_update = hns3vf_dev_link_update,
2934 .rss_hash_update = hns3_dev_rss_hash_update,
2935 .rss_hash_conf_get = hns3_dev_rss_hash_conf_get,
2936 .reta_update = hns3_dev_rss_reta_update,
2937 .reta_query = hns3_dev_rss_reta_query,
2938 .flow_ops_get = hns3_dev_flow_ops_get,
2939 .vlan_filter_set = hns3vf_vlan_filter_set,
2940 .vlan_offload_set = hns3vf_vlan_offload_set,
2941 .get_reg = hns3_get_regs,
2942 .dev_supported_ptypes_get = hns3_dev_supported_ptypes_get,
2943 .tx_done_cleanup = hns3_tx_done_cleanup,
2946 static const struct hns3_reset_ops hns3vf_reset_ops = {
2947 .reset_service = hns3vf_reset_service,
2948 .stop_service = hns3vf_stop_service,
2949 .prepare_reset = hns3vf_prepare_reset,
2950 .wait_hardware_ready = hns3vf_wait_hardware_ready,
2951 .reinit_dev = hns3vf_reinit_dev,
2952 .restore_conf = hns3vf_restore_conf,
2953 .start_service = hns3vf_start_service,
2957 hns3vf_dev_init(struct rte_eth_dev *eth_dev)
2959 struct hns3_adapter *hns = eth_dev->data->dev_private;
2960 struct hns3_hw *hw = &hns->hw;
2963 PMD_INIT_FUNC_TRACE();
2965 eth_dev->process_private = (struct hns3_process_private *)
2966 rte_zmalloc_socket("hns3_filter_list",
2967 sizeof(struct hns3_process_private),
2968 RTE_CACHE_LINE_SIZE, eth_dev->device->numa_node);
2969 if (eth_dev->process_private == NULL) {
2970 PMD_INIT_LOG(ERR, "Failed to alloc memory for process private");
2974 hns3_flow_init(eth_dev);
2976 hns3_set_rxtx_function(eth_dev);
2977 eth_dev->dev_ops = &hns3vf_eth_dev_ops;
2978 eth_dev->rx_queue_count = hns3_rx_queue_count;
2979 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2980 ret = hns3_mp_init_secondary();
2982 PMD_INIT_LOG(ERR, "Failed to init for secondary "
2983 "process, ret = %d", ret);
2984 goto err_mp_init_secondary;
2986 hw->secondary_cnt++;
2987 hns3_tx_push_init(eth_dev);
2991 ret = hns3_mp_init_primary();
2994 "Failed to init for primary process, ret = %d",
2996 goto err_mp_init_primary;
2999 hw->adapter_state = HNS3_NIC_UNINITIALIZED;
3001 hw->data = eth_dev->data;
3002 hns3_parse_devargs(eth_dev);
3004 ret = hns3_reset_init(hw);
3006 goto err_init_reset;
3007 hw->reset.ops = &hns3vf_reset_ops;
3009 ret = hns3vf_init_vf(eth_dev);
3011 PMD_INIT_LOG(ERR, "Failed to init vf: %d", ret);
3015 /* Allocate memory for storing MAC addresses */
3016 eth_dev->data->mac_addrs = rte_zmalloc("hns3vf-mac",
3017 sizeof(struct rte_ether_addr) *
3018 HNS3_VF_UC_MACADDR_NUM, 0);
3019 if (eth_dev->data->mac_addrs == NULL) {
3020 PMD_INIT_LOG(ERR, "Failed to allocate %zx bytes needed "
3021 "to store MAC addresses",
3022 sizeof(struct rte_ether_addr) *
3023 HNS3_VF_UC_MACADDR_NUM);
3025 goto err_rte_zmalloc;
3029 * The hns3 PF ethdev driver in kernel support setting VF MAC address
3030 * on the host by "ip link set ..." command. To avoid some incorrect
3031 * scenes, for example, hns3 VF PMD driver fails to receive and send
3032 * packets after user configure the MAC address by using the
3033 * "ip link set ..." command, hns3 VF PMD driver keep the same MAC
3034 * address strategy as the hns3 kernel ethdev driver in the
3035 * initialization. If user configure a MAC address by the ip command
3036 * for VF device, then hns3 VF PMD driver will start with it, otherwise
3037 * start with a random MAC address in the initialization.
3039 if (rte_is_zero_ether_addr((struct rte_ether_addr *)hw->mac.mac_addr))
3040 rte_eth_random_addr(hw->mac.mac_addr);
3041 rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr,
3042 ð_dev->data->mac_addrs[0]);
3044 hw->adapter_state = HNS3_NIC_INITIALIZED;
3046 if (__atomic_load_n(&hw->reset.schedule, __ATOMIC_RELAXED) ==
3048 hns3_err(hw, "Reschedule reset service after dev_init");
3049 hns3_schedule_reset(hns);
3051 /* IMP will wait ready flag before reset */
3052 hns3_notify_reset_ready(hw, false);
3054 rte_eal_alarm_set(HNS3VF_KEEP_ALIVE_INTERVAL, hns3vf_keep_alive_handler,
3059 hns3vf_uninit_vf(eth_dev);
3062 rte_free(hw->reset.wait_data);
3065 hns3_mp_uninit_primary();
3067 err_mp_init_primary:
3068 err_mp_init_secondary:
3069 eth_dev->dev_ops = NULL;
3070 eth_dev->rx_pkt_burst = NULL;
3071 eth_dev->rx_descriptor_status = NULL;
3072 eth_dev->tx_pkt_burst = NULL;
3073 eth_dev->tx_pkt_prepare = NULL;
3074 eth_dev->tx_descriptor_status = NULL;
3075 rte_free(eth_dev->process_private);
3076 eth_dev->process_private = NULL;
3082 hns3vf_dev_uninit(struct rte_eth_dev *eth_dev)
3084 struct hns3_adapter *hns = eth_dev->data->dev_private;
3085 struct hns3_hw *hw = &hns->hw;
3087 PMD_INIT_FUNC_TRACE();
3089 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
3090 rte_free(eth_dev->process_private);
3091 eth_dev->process_private = NULL;
3095 if (hw->adapter_state < HNS3_NIC_CLOSING)
3096 hns3vf_dev_close(eth_dev);
3098 hw->adapter_state = HNS3_NIC_REMOVED;
3103 eth_hns3vf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
3104 struct rte_pci_device *pci_dev)
3106 return rte_eth_dev_pci_generic_probe(pci_dev,
3107 sizeof(struct hns3_adapter),
3112 eth_hns3vf_pci_remove(struct rte_pci_device *pci_dev)
3114 return rte_eth_dev_pci_generic_remove(pci_dev, hns3vf_dev_uninit);
3117 static const struct rte_pci_id pci_id_hns3vf_map[] = {
3118 { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_100G_VF) },
3119 { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_100G_RDMA_PFC_VF) },
3120 { .vendor_id = 0, }, /* sentinel */
3123 static struct rte_pci_driver rte_hns3vf_pmd = {
3124 .id_table = pci_id_hns3vf_map,
3125 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
3126 .probe = eth_hns3vf_pci_probe,
3127 .remove = eth_hns3vf_pci_remove,
3130 RTE_PMD_REGISTER_PCI(net_hns3_vf, rte_hns3vf_pmd);
3131 RTE_PMD_REGISTER_PCI_TABLE(net_hns3_vf, pci_id_hns3vf_map);
3132 RTE_PMD_REGISTER_KMOD_DEP(net_hns3_vf, "* igb_uio | vfio-pci");
3133 RTE_PMD_REGISTER_PARAM_STRING(net_hns3_vf,
3134 HNS3_DEVARG_RX_FUNC_HINT "=vec|sve|simple|common "
3135 HNS3_DEVARG_TX_FUNC_HINT "=vec|sve|simple|common "
3136 HNS3_DEVARG_DEV_CAPS_MASK "=<1-65535> ");