[ceph.git] / ceph / src / seastar / dpdk / drivers / net / bnxt / bnxt_cpr.c

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2014-2018 Broadcom
 * All rights reserved.
 */

#include <rte_malloc.h>

#include "bnxt.h"
#include "bnxt_cpr.h"
#include "bnxt_hwrm.h"
#include "bnxt_ring.h"
#include "hsi_struct_def_dpdk.h"

/*
 * Async event handling
 */
void bnxt_handle_async_event(struct bnxt *bp,
			     struct cmpl_base *cmp)
{
	struct hwrm_async_event_cmpl *async_cmp =
				(struct hwrm_async_event_cmpl *)cmp;
	uint16_t event_id = rte_le_to_cpu_16(async_cmp->event_id);

	/* TODO: HWRM async events are not defined yet */
	/* Needs to handle: link events, error events, etc. */
	switch (event_id) {
	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE:
	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE:
		/* FALLTHROUGH */
		bnxt_link_update_op(bp->eth_dev, 1);
		break;
	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
		PMD_DRV_LOG(INFO, "Async event: PF driver unloaded\n");
		break;
	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
		PMD_DRV_LOG(INFO, "Async event: VF config changed\n");
		bnxt_hwrm_func_qcfg(bp);
		break;
	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED:
		PMD_DRV_LOG(INFO, "Port conn async event\n");
		break;
	default:
		PMD_DRV_LOG(INFO, "handle_async_event id = 0x%x\n", event_id);
		break;
	}
}

void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmpl)
{
	struct hwrm_exec_fwd_resp_input *fwreq;
	struct hwrm_fwd_req_cmpl *fwd_cmpl = (struct hwrm_fwd_req_cmpl *)cmpl;
	struct input *fwd_cmd;
	uint16_t fw_vf_id;
	uint16_t vf_id;
	uint16_t req_len;
	int rc;

	if (bp->pf.active_vfs <= 0) {
		PMD_DRV_LOG(ERR, "Forwarded VF with no active VFs\n");
		return;
	}

	/* Qualify the fwd request */
	fw_vf_id = rte_le_to_cpu_16(fwd_cmpl->source_id);
	vf_id = fw_vf_id - bp->pf.first_vf_id;

	req_len = (rte_le_to_cpu_16(fwd_cmpl->req_len_type) &
		   HWRM_FWD_REQ_CMPL_REQ_LEN_MASK) >>
		HWRM_FWD_REQ_CMPL_REQ_LEN_SFT;
	if (req_len > sizeof(fwreq->encap_request))
		req_len = sizeof(fwreq->encap_request);

	/* Locate VF's forwarded command */
	fwd_cmd = (struct input *)bp->pf.vf_info[vf_id].req_buf;

	if (fw_vf_id < bp->pf.first_vf_id ||
	    fw_vf_id >= (bp->pf.first_vf_id) + bp->pf.active_vfs) {
		PMD_DRV_LOG(ERR,
		"FWD req's source_id 0x%x out of range 0x%x - 0x%x (%d %d)\n",
			fw_vf_id, bp->pf.first_vf_id,
			(bp->pf.first_vf_id) + bp->pf.active_vfs - 1,
			bp->pf.first_vf_id, bp->pf.active_vfs);
		goto reject;
	}

	if (bnxt_rcv_msg_from_vf(bp, vf_id, fwd_cmd) == true) {
		/*
		 * In older firmware versions, the MAC had to be all zeros for
		 * the VF to set it's MAC via hwrm_func_vf_cfg. Set to all
		 * zeros if it's being configured and has been ok'd by caller.
		 */
		if (fwd_cmd->req_type == HWRM_FUNC_VF_CFG) {
			struct hwrm_func_vf_cfg_input *vfc = (void *)fwd_cmd;

			if (vfc->enables &
			    HWRM_FUNC_VF_CFG_INPUT_ENABLES_DFLT_MAC_ADDR) {
				bnxt_hwrm_func_vf_mac(bp, vf_id,
				(const uint8_t *)"\x00\x00\x00\x00\x00");
			}
		}
		if (fwd_cmd->req_type == HWRM_CFA_L2_SET_RX_MASK) {
			struct hwrm_cfa_l2_set_rx_mask_input *srm =
							(void *)fwd_cmd;

			srm->vlan_tag_tbl_addr = rte_cpu_to_le_64(0);
			srm->num_vlan_tags = rte_cpu_to_le_32(0);
			srm->mask &= ~rte_cpu_to_le_32(
				HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLANONLY |
			    HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLAN_NONVLAN |
			    HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN);
		}
		/* Forward */
		rc = bnxt_hwrm_exec_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len);
		if (rc) {
			PMD_DRV_LOG(ERR,
				"Failed to send FWD req VF 0x%x, type 0x%x.\n",
				fw_vf_id - bp->pf.first_vf_id,
				rte_le_to_cpu_16(fwd_cmd->req_type));
		}
		return;
	}

reject:
	rc = bnxt_hwrm_reject_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len);
	if (rc) {
		PMD_DRV_LOG(ERR,
			"Failed to send REJECT req VF 0x%x, type 0x%x.\n",
			fw_vf_id - bp->pf.first_vf_id,
			rte_le_to_cpu_16(fwd_cmd->req_type));
	}

	return;
}

int bnxt_event_hwrm_resp_handler(struct bnxt *bp, struct cmpl_base *cmp)
{
	bool evt = 0;

	if (bp == NULL || cmp == NULL) {
		PMD_DRV_LOG(ERR, "invalid NULL argument\n");
		return evt;
	}

	switch (CMP_TYPE(cmp)) {
	case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
		/* Handle any async event */
		bnxt_handle_async_event(bp, cmp);
		evt = 1;
		break;
	case CMPL_BASE_TYPE_HWRM_FWD_RESP:
		/* Handle HWRM forwarded responses */
		bnxt_handle_fwd_req(bp, cmp);
		evt = 1;
		break;
	default:
		/* Ignore any other events */
		PMD_DRV_LOG(INFO, "Ignoring %02x completion\n", CMP_TYPE(cmp));
		break;
	}

	return evt;
}
Commit	Line	Data
9f95a23c TL	1	/* SPDX-License-Identifier: BSD-3-Clause
	2	* Copyright(c) 2014-2018 Broadcom
	3	* All rights reserved.
7c673cae FG	4	*/
	5
	6	#include <rte_malloc.h>
	7
	8	#include "bnxt.h"
	9	#include "bnxt_cpr.h"
	10	#include "bnxt_hwrm.h"
	11	#include "bnxt_ring.h"
	12	#include "hsi_struct_def_dpdk.h"
	13
	14	/*
	15	* Async event handling
	16	*/
	17	void bnxt_handle_async_event(struct bnxt *bp,
	18	struct cmpl_base *cmp)
	19	{
	20	struct hwrm_async_event_cmpl *async_cmp =
	21	(struct hwrm_async_event_cmpl *)cmp;
	22	uint16_t event_id = rte_le_to_cpu_16(async_cmp->event_id);
	23
	24	/* TODO: HWRM async events are not defined yet */
	25	/* Needs to handle: link events, error events, etc. */
	26	switch (event_id) {
	27	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
	28	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE:
	29	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE:
9f95a23c TL	30	/* FALLTHROUGH */
	31	bnxt_link_update_op(bp->eth_dev, 1);
	32	break;
	33	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
	34	PMD_DRV_LOG(INFO, "Async event: PF driver unloaded\n");
	35	break;
	36	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
	37	PMD_DRV_LOG(INFO, "Async event: VF config changed\n");
	38	bnxt_hwrm_func_qcfg(bp);
	39	break;
	40	case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED:
	41	PMD_DRV_LOG(INFO, "Port conn async event\n");
7c673cae FG	42	break;
7c673cae FG	43	default:
9f95a23c	44	PMD_DRV_LOG(INFO, "handle_async_event id = 0x%x\n", event_id);
7c673cae FG	45	break;
	46	}
	47	}
	48
	49	void bnxt_handle_fwd_req(struct bnxt bp, struct cmpl_base cmpl)
	50	{
9f95a23c	51	struct hwrm_exec_fwd_resp_input *fwreq;
7c673cae FG	52	struct hwrm_fwd_req_cmpl fwd_cmpl = (struct hwrm_fwd_req_cmpl )cmpl;
7c673cae FG	53	struct input *fwd_cmd;
9f95a23c TL	54	uint16_t fw_vf_id;
	55	uint16_t vf_id;
	56	uint16_t req_len;
	57	int rc;
7c673cae	58
9f95a23c TL	59	if (bp->pf.active_vfs <= 0) {
	60	PMD_DRV_LOG(ERR, "Forwarded VF with no active VFs\n");
	61	return;
7c673cae FG	62	}
7c673cae FG	63
9f95a23c TL	64	/* Qualify the fwd request */
	65	fw_vf_id = rte_le_to_cpu_16(fwd_cmpl->source_id);
	66	vf_id = fw_vf_id - bp->pf.first_vf_id;
	67
	68	req_len = (rte_le_to_cpu_16(fwd_cmpl->req_len_type) &
	69	HWRM_FWD_REQ_CMPL_REQ_LEN_MASK) >>
	70	HWRM_FWD_REQ_CMPL_REQ_LEN_SFT;
	71	if (req_len > sizeof(fwreq->encap_request))
	72	req_len = sizeof(fwreq->encap_request);
	73
7c673cae	74	/* Locate VF's forwarded command */
9f95a23c TL	75	fwd_cmd = (struct input *)bp->pf.vf_info[vf_id].req_buf;
	76
	77	if (fw_vf_id < bp->pf.first_vf_id \|\|
	78	fw_vf_id >= (bp->pf.first_vf_id) + bp->pf.active_vfs) {
	79	PMD_DRV_LOG(ERR,
	80	"FWD req's source_id 0x%x out of range 0x%x - 0x%x (%d %d)\n",
	81	fw_vf_id, bp->pf.first_vf_id,
	82	(bp->pf.first_vf_id) + bp->pf.active_vfs - 1,
	83	bp->pf.first_vf_id, bp->pf.active_vfs);
7c673cae FG	84	goto reject;
	85	}
	86
9f95a23c TL	87	if (bnxt_rcv_msg_from_vf(bp, vf_id, fwd_cmd) == true) {
	88	/*
	89	* In older firmware versions, the MAC had to be all zeros for
	90	* the VF to set it's MAC via hwrm_func_vf_cfg. Set to all
	91	* zeros if it's being configured and has been ok'd by caller.
	92	*/
	93	if (fwd_cmd->req_type == HWRM_FUNC_VF_CFG) {
	94	struct hwrm_func_vf_cfg_input vfc = (void )fwd_cmd;
	95
	96	if (vfc->enables &
	97	HWRM_FUNC_VF_CFG_INPUT_ENABLES_DFLT_MAC_ADDR) {
	98	bnxt_hwrm_func_vf_mac(bp, vf_id,
	99	(const uint8_t *)"\x00\x00\x00\x00\x00");
	100	}
	101	}
	102	if (fwd_cmd->req_type == HWRM_CFA_L2_SET_RX_MASK) {
	103	struct hwrm_cfa_l2_set_rx_mask_input *srm =
	104	(void *)fwd_cmd;
	105
	106	srm->vlan_tag_tbl_addr = rte_cpu_to_le_64(0);
	107	srm->num_vlan_tags = rte_cpu_to_le_32(0);
	108	srm->mask &= ~rte_cpu_to_le_32(
	109	HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLANONLY \|
	110	HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_VLAN_NONVLAN \|
	111	HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN);
	112	}
	113	/* Forward */
	114	rc = bnxt_hwrm_exec_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len);
	115	if (rc) {
	116	PMD_DRV_LOG(ERR,
	117	"Failed to send FWD req VF 0x%x, type 0x%x.\n",
	118	fw_vf_id - bp->pf.first_vf_id,
	119	rte_le_to_cpu_16(fwd_cmd->req_type));
	120	}
	121	return;
	122	}
7c673cae FG	123
7c673cae FG	124	reject:
9f95a23c TL	125	rc = bnxt_hwrm_reject_fwd_resp(bp, fw_vf_id, fwd_cmd, req_len);
	126	if (rc) {
	127	PMD_DRV_LOG(ERR,
	128	"Failed to send REJECT req VF 0x%x, type 0x%x.\n",
	129	fw_vf_id - bp->pf.first_vf_id,
	130	rte_le_to_cpu_16(fwd_cmd->req_type));
	131	}
	132
	133	return;
7c673cae FG	134	}
7c673cae FG	135
9f95a23c	136	int bnxt_event_hwrm_resp_handler(struct bnxt bp, struct cmpl_base cmp)
7c673cae	137	{
9f95a23c	138	bool evt = 0;
7c673cae	139
9f95a23c TL	140	if (bp == NULL \|\| cmp == NULL) {
	141	PMD_DRV_LOG(ERR, "invalid NULL argument\n");
	142	return evt;
	143	}
7c673cae	144
9f95a23c TL	145	switch (CMP_TYPE(cmp)) {
	146	case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
	147	/* Handle any async event */
	148	bnxt_handle_async_event(bp, cmp);
	149	evt = 1;
	150	break;
	151	case CMPL_BASE_TYPE_HWRM_FWD_RESP:
	152	/* Handle HWRM forwarded responses */
	153	bnxt_handle_fwd_req(bp, cmp);
	154	evt = 1;
	155	break;
	156	default:
	157	/* Ignore any other events */
	158	PMD_DRV_LOG(INFO, "Ignoring %02x completion\n", CMP_TYPE(cmp));
	159	break;
	160	}
7c673cae	161
9f95a23c	162	return evt;
7c673cae	163	}