1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2021 Broadcom
6 #include <rte_malloc.h>
8 #include <rte_cycles.h>
11 #include "bnxt_hwrm.h"
12 #include "bnxt_ring.h"
13 #include "hsi_struct_def_dpdk.h"
15 void bnxt_wait_for_device_shutdown(struct bnxt *bp)
17 uint32_t val, timeout;
19 /* if HWRM_FUNC_QCAPS_OUTPUT_FLAGS_ERR_RECOVER_RELOAD is set
20 * in HWRM_FUNC_QCAPS command, wait for FW_STATUS to set
21 * the SHUTDOWN bit in health register
23 if (!(bp->recovery_info &&
24 (bp->fw_cap & BNXT_FW_CAP_ERR_RECOVER_RELOAD)))
27 /* Driver has to wait for fw_reset_max_msecs or shutdown bit which comes
28 * first for FW to collect crash dump.
30 timeout = bp->fw_reset_max_msecs;
32 /* Driver has to poll for shutdown bit in fw_status register
34 * 1. in case of hot fw upgrade, this bit will be set after all
35 * function drivers unregistered with fw.
36 * 2. in case of fw initiated error recovery, this bit will be
37 * set after fw has collected the core dump
40 val = bnxt_read_fw_status_reg(bp, BNXT_FW_STATUS_REG);
41 if (val & BNXT_FW_STATUS_SHUTDOWN)
50 bnxt_process_default_vnic_change(struct bnxt *bp,
51 struct hwrm_async_event_cmpl *async_cmp)
53 uint16_t vnic_state, vf_fid, vf_id;
54 struct bnxt_representor *vf_rep_bp;
55 struct rte_eth_dev *eth_dev;
56 bool vfr_found = false;
59 if (!BNXT_TRUFLOW_EN(bp))
62 PMD_DRV_LOG(INFO, "Default vnic change async event received\n");
63 event_data = rte_le_to_cpu_32(async_cmp->event_data1);
65 vnic_state = (event_data & BNXT_DEFAULT_VNIC_STATE_MASK) >>
66 BNXT_DEFAULT_VNIC_STATE_SFT;
67 if (vnic_state != BNXT_DEFAULT_VNIC_ALLOC)
73 vf_fid = (event_data & BNXT_DEFAULT_VNIC_CHANGE_VF_ID_MASK) >>
74 BNXT_DEFAULT_VNIC_CHANGE_VF_ID_SFT;
75 PMD_DRV_LOG(INFO, "async event received vf_id 0x%x\n", vf_fid);
77 for (vf_id = 0; vf_id < BNXT_MAX_VF_REPS; vf_id++) {
78 eth_dev = bp->rep_info[vf_id].vfr_eth_dev;
81 vf_rep_bp = eth_dev->data->dev_private;
83 vf_rep_bp->fw_fid == vf_fid) {
91 bnxt_rep_dev_start_op(eth_dev);
95 * Async event handling
97 void bnxt_handle_async_event(struct bnxt *bp,
98 struct cmpl_base *cmp)
100 struct hwrm_async_event_cmpl *async_cmp =
101 (struct hwrm_async_event_cmpl *)cmp;
102 uint16_t event_id = rte_le_to_cpu_16(async_cmp->event_id);
103 struct bnxt_error_recovery_info *info;
107 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
108 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE:
109 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE:
111 bnxt_link_update_op(bp->eth_dev, 0);
113 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
114 PMD_DRV_LOG(INFO, "Async event: PF driver unloaded\n");
116 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
117 PMD_DRV_LOG(INFO, "Async event: VF config changed\n");
118 bnxt_hwrm_func_qcfg(bp, NULL);
120 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED:
121 PMD_DRV_LOG(INFO, "Port conn async event\n");
123 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY:
125 * Avoid any rx/tx packet processing during firmware reset
130 /* Ignore reset notify async events when stopping the port */
131 if (!bp->eth_dev->data->dev_started) {
132 bp->flags |= BNXT_FLAG_FATAL_ERROR;
136 pthread_mutex_lock(&bp->err_recovery_lock);
137 event_data = rte_le_to_cpu_32(async_cmp->event_data1);
138 /* timestamp_lo/hi values are in units of 100ms */
139 bp->fw_reset_max_msecs = async_cmp->timestamp_hi ?
140 rte_le_to_cpu_16(async_cmp->timestamp_hi) * 100 :
141 BNXT_MAX_FW_RESET_TIMEOUT;
142 bp->fw_reset_min_msecs = async_cmp->timestamp_lo ?
143 async_cmp->timestamp_lo * 100 :
144 BNXT_MIN_FW_READY_TIMEOUT;
145 if ((event_data & EVENT_DATA1_REASON_CODE_MASK) ==
146 EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL) {
148 "Firmware fatal reset event received\n");
149 bp->flags |= BNXT_FLAG_FATAL_ERROR;
152 "Firmware non-fatal reset event received\n");
155 bp->flags |= BNXT_FLAG_FW_RESET;
156 pthread_mutex_unlock(&bp->err_recovery_lock);
157 rte_eal_alarm_set(US_PER_MS, bnxt_dev_reset_and_resume,
160 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY:
161 info = bp->recovery_info;
166 PMD_DRV_LOG(INFO, "Error recovery async event received\n");
168 event_data = rte_le_to_cpu_32(async_cmp->event_data1) &
169 EVENT_DATA1_FLAGS_MASK;
171 if (event_data & EVENT_DATA1_FLAGS_MASTER_FUNC)
172 info->flags |= BNXT_FLAG_MASTER_FUNC;
174 info->flags &= ~BNXT_FLAG_MASTER_FUNC;
176 if (event_data & EVENT_DATA1_FLAGS_RECOVERY_ENABLED)
177 info->flags |= BNXT_FLAG_RECOVERY_ENABLED;
179 info->flags &= ~BNXT_FLAG_RECOVERY_ENABLED;
181 PMD_DRV_LOG(INFO, "recovery enabled(%d), master function(%d)\n",
182 bnxt_is_recovery_enabled(bp),
183 bnxt_is_master_func(bp));
185 if (bp->flags & BNXT_FLAG_FW_HEALTH_CHECK_SCHEDULED)
188 info->last_heart_beat =
189 bnxt_read_fw_status_reg(bp, BNXT_FW_HEARTBEAT_CNT_REG);
190 info->last_reset_counter =
191 bnxt_read_fw_status_reg(bp, BNXT_FW_RECOVERY_CNT_REG);
193 bnxt_schedule_fw_health_check(bp);
195 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DEBUG_NOTIFICATION:
196 PMD_DRV_LOG(INFO, "DNC event: evt_data1 %#x evt_data2 %#x\n",
197 rte_le_to_cpu_32(async_cmp->event_data1),
198 rte_le_to_cpu_32(async_cmp->event_data2));
200 case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DEFAULT_VNIC_CHANGE:
201 bnxt_process_default_vnic_change(bp, async_cmp);
204 PMD_DRV_LOG(DEBUG, "handle_async_event id = 0x%x\n", event_id);
209 void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmpl)
211 struct hwrm_exec_fwd_resp_input *fwreq;
212 struct hwrm_fwd_req_cmpl *fwd_cmpl = (struct hwrm_fwd_req_cmpl *)cmpl;
213 struct input *fwd_cmd;
219 if (bp->pf->active_vfs <= 0) {
220 PMD_DRV_LOG(ERR, "Forwarded VF with no active VFs\n");
224 /* Qualify the fwd request */
225 fw_vf_id = rte_le_to_cpu_16(fwd_cmpl->source_id);
226 vf_id = fw_vf_id - bp->pf->first_vf_id;
228 req_len = (rte_le_to_cpu_16(fwd_cmpl->req_len_type) &
229 HWRM_FWD_REQ_CMPL_REQ_LEN_MASK) >>
230 HWRM_FWD_REQ_CMPL_REQ_LEN_SFT;
231 if (req_len > sizeof(fwreq->encap_request))
232 req_len = sizeof(fwreq->encap_request);
234 /* Locate VF's forwarded command */
235 fwd_cmd = (struct input *)bp->pf->vf_info[vf_id].req_buf;
237 if (fw_vf_id < bp->pf->first_vf_id ||
238 fw_vf_id >= bp->pf->first_vf_id + bp->pf->active_vfs) {
240 "FWD req's source_id 0x%x out of range 0x%x - 0x%x (%d %d)\n",
241 fw_vf_id, bp->pf->first_vf_id,
242 (bp->pf->first_vf_id) + bp->pf->active_vfs - 1,
243 bp->pf->first_vf_id, bp->pf->active_vfs);
247 if (bnxt_rcv_msg_from_vf(bp, vf_id, fwd_cmd)) {
249 * In older firmware versions, the MAC had to be all zeros for
250 * the VF to set it's MAC via hwrm_func_vf_cfg. Set to all
251 * zeros if it's being configured and has been ok'd by caller.
253 if (fwd_cmd->req_type == HWRM_FUNC_VF_CFG) {
254 struct hwrm_func_vf_cfg_input *vfc = (void *)fwd_cmd;
257 HWRM_FUNC_VF_CFG_INPUT_ENABLES_DFLT_MAC_ADDR) {
258 bnxt_hwrm_func_vf_mac(bp, vf_id,
259 (const uint8_t *)"\x00\x00\x00\x00\x00");
263 if (fwd_cmd->req_type == HWRM_CFA_L2_SET_RX_MASK) {
264 struct hwrm_cfa_l2_set_rx_mask_input *srm =
267 srm->vlan_tag_tbl_addr = rte_cpu_to_le_64(0);
268 srm->num_vlan_tags = rte_cpu_to_le_32(0);
269 srm->mask &= ~rte_cpu_to_le_32(
270 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLANONLY |
271 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLAN_NONVLAN |
272 HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN);
276 rc = bnxt_hwrm_exec_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len);
279 "Failed to send FWD req VF 0x%x, type 0x%x.\n",
280 fw_vf_id - bp->pf->first_vf_id,
281 rte_le_to_cpu_16(fwd_cmd->req_type));
287 rc = bnxt_hwrm_reject_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len);
290 "Failed to send REJECT req VF 0x%x, type 0x%x.\n",
291 fw_vf_id - bp->pf->first_vf_id,
292 rte_le_to_cpu_16(fwd_cmd->req_type));
298 int bnxt_event_hwrm_resp_handler(struct bnxt *bp, struct cmpl_base *cmp)
302 if (bp == NULL || cmp == NULL) {
303 PMD_DRV_LOG(ERR, "invalid NULL argument\n");
307 if (unlikely(is_bnxt_in_error(bp)))
310 switch (CMP_TYPE(cmp)) {
311 case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
312 /* Handle any async event */
313 bnxt_handle_async_event(bp, cmp);
316 case CMPL_BASE_TYPE_HWRM_FWD_REQ:
317 /* Handle HWRM forwarded responses */
318 bnxt_handle_fwd_req(bp, cmp);
322 /* Ignore any other events */
323 PMD_DRV_LOG(DEBUG, "Ignoring %02x completion\n", CMP_TYPE(cmp));
330 bool bnxt_is_master_func(struct bnxt *bp)
332 if (bp->recovery_info->flags & BNXT_FLAG_MASTER_FUNC)
338 bool bnxt_is_recovery_enabled(struct bnxt *bp)
340 struct bnxt_error_recovery_info *info;
342 info = bp->recovery_info;
343 if (info && (info->flags & BNXT_FLAG_RECOVERY_ENABLED))
349 void bnxt_stop_rxtx(struct bnxt *bp)
351 bp->eth_dev->rx_pkt_burst = &bnxt_dummy_recv_pkts;
352 bp->eth_dev->tx_pkt_burst = &bnxt_dummy_xmit_pkts;