22 static int bnxt_vf_ndo_prep(struct bnxt *bp, int vf_id)  in bnxt_vf_ndo_prep()  argument
24 	if (!test_bit(BNXT_STATE_OPEN, &bp->state)) {  in bnxt_vf_ndo_prep()
25 		netdev_err(bp->dev, "vf ndo called though PF is down\n");  in bnxt_vf_ndo_prep()
28 	if (!bp->pf.active_vfs) {  in bnxt_vf_ndo_prep()
29 		netdev_err(bp->dev, "vf ndo called though sriov is disabled\n");  in bnxt_vf_ndo_prep()
32 	if (vf_id >= bp->pf.max_vfs) {  in bnxt_vf_ndo_prep()
33 		netdev_err(bp->dev, "Invalid VF id %d\n", vf_id);  in bnxt_vf_ndo_prep()
42 	struct bnxt *bp = netdev_priv(dev);  in bnxt_set_vf_spoofchk()  local
48 	rc = bnxt_vf_ndo_prep(bp, vf_id);  in bnxt_set_vf_spoofchk()
52 	vf = &bp->pf.vf[vf_id];  in bnxt_set_vf_spoofchk()
66 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);  in bnxt_set_vf_spoofchk()
69 	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);  in bnxt_set_vf_spoofchk()
83 	struct bnxt *bp = netdev_priv(dev);  in bnxt_get_vf_config()  local
87 	rc = bnxt_vf_ndo_prep(bp, vf_id);  in bnxt_get_vf_config()
92 	vf = &bp->pf.vf[vf_id];  in bnxt_get_vf_config()
113 	struct bnxt *bp = netdev_priv(dev);  in bnxt_set_vf_mac()  local
117 	rc = bnxt_vf_ndo_prep(bp, vf_id);  in bnxt_set_vf_mac()
127 	vf = &bp->pf.vf[vf_id];  in bnxt_set_vf_mac()
130 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);  in bnxt_set_vf_mac()
135 	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);  in bnxt_set_vf_mac()
141 	struct bnxt *bp = netdev_priv(dev);  in bnxt_set_vf_vlan()  local
146 	rc = bnxt_vf_ndo_prep(bp, vf_id);  in bnxt_set_vf_vlan()
156 	vf = &bp->pf.vf[vf_id];  in bnxt_set_vf_vlan()
161 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);  in bnxt_set_vf_vlan()
166 	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);  in bnxt_set_vf_vlan()
176 	struct bnxt *bp = netdev_priv(dev);  in bnxt_set_vf_bw()  local
181 	rc = bnxt_vf_ndo_prep(bp, vf_id);  in bnxt_set_vf_bw()
185 	vf = &bp->pf.vf[vf_id];  in bnxt_set_vf_bw()
186 	pf_link_speed = bnxt_fw_to_ethtool_speed(bp->link_info.link_speed);  in bnxt_set_vf_bw()
188 		netdev_info(bp->dev, "max tx rate %d exceed PF link speed for VF %d\n",  in bnxt_set_vf_bw()
194 		netdev_info(bp->dev, "min tx rate %d is invalid for VF %d\n",  in bnxt_set_vf_bw()
200 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);  in bnxt_set_vf_bw()
207 	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);  in bnxt_set_vf_bw()
217 	struct bnxt *bp = netdev_priv(dev);  in bnxt_set_vf_link_state()  local
221 	rc = bnxt_vf_ndo_prep(bp, vf_id);  in bnxt_set_vf_link_state()
225 	vf = &bp->pf.vf[vf_id];  in bnxt_set_vf_link_state()
239 		netdev_err(bp->dev, "Invalid link option\n");  in bnxt_set_vf_link_state()
248 static int bnxt_set_vf_attr(struct bnxt *bp, int num_vfs)  in bnxt_set_vf_attr()  argument
254 		vf = &bp->pf.vf[i];  in bnxt_set_vf_attr()
261 static int bnxt_hwrm_func_vf_resource_free(struct bnxt *bp, int num_vfs)  in bnxt_hwrm_func_vf_resource_free()  argument
264 	struct bnxt_pf_info *pf = &bp->pf;  in bnxt_hwrm_func_vf_resource_free()
267 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_RESC_FREE, -1, -1);  in bnxt_hwrm_func_vf_resource_free()
269 	mutex_lock(&bp->hwrm_cmd_lock);  in bnxt_hwrm_func_vf_resource_free()
272 		rc = _hwrm_send_message(bp, &req, sizeof(req),  in bnxt_hwrm_func_vf_resource_free()
277 	mutex_unlock(&bp->hwrm_cmd_lock);  in bnxt_hwrm_func_vf_resource_free()
281 static void bnxt_free_vf_resources(struct bnxt *bp)  in bnxt_free_vf_resources()  argument
283 	struct pci_dev *pdev = bp->pdev;  in bnxt_free_vf_resources()
286 	kfree(bp->pf.vf_event_bmap);  in bnxt_free_vf_resources()
287 	bp->pf.vf_event_bmap = NULL;  in bnxt_free_vf_resources()
290 		if (bp->pf.hwrm_cmd_req_addr[i]) {  in bnxt_free_vf_resources()
292 					  bp->pf.hwrm_cmd_req_addr[i],  in bnxt_free_vf_resources()
293 					  bp->pf.hwrm_cmd_req_dma_addr[i]);  in bnxt_free_vf_resources()
294 			bp->pf.hwrm_cmd_req_addr[i] = NULL;  in bnxt_free_vf_resources()
298 	kfree(bp->pf.vf);  in bnxt_free_vf_resources()
299 	bp->pf.vf = NULL;  in bnxt_free_vf_resources()
302 static int bnxt_alloc_vf_resources(struct bnxt *bp, int num_vfs)  in bnxt_alloc_vf_resources()  argument
304 	struct pci_dev *pdev = bp->pdev;  in bnxt_alloc_vf_resources()
307 	bp->pf.vf = kcalloc(num_vfs, sizeof(struct bnxt_vf_info), GFP_KERNEL);  in bnxt_alloc_vf_resources()
308 	if (!bp->pf.vf)  in bnxt_alloc_vf_resources()
311 	bnxt_set_vf_attr(bp, num_vfs);  in bnxt_alloc_vf_resources()
319 		bp->pf.hwrm_cmd_req_addr[i] =  in bnxt_alloc_vf_resources()
321 					   &bp->pf.hwrm_cmd_req_dma_addr[i],  in bnxt_alloc_vf_resources()
324 		if (!bp->pf.hwrm_cmd_req_addr[i])  in bnxt_alloc_vf_resources()
328 			struct bnxt_vf_info *vf = &bp->pf.vf[k];  in bnxt_alloc_vf_resources()
330 			vf->hwrm_cmd_req_addr = bp->pf.hwrm_cmd_req_addr[i] +  in bnxt_alloc_vf_resources()
333 				bp->pf.hwrm_cmd_req_dma_addr[i] + j *  in bnxt_alloc_vf_resources()
340 	bp->pf.vf_event_bmap = kzalloc(16, GFP_KERNEL);  in bnxt_alloc_vf_resources()
341 	if (!bp->pf.vf_event_bmap)  in bnxt_alloc_vf_resources()
344 	bp->pf.hwrm_cmd_req_pages = nr_pages;  in bnxt_alloc_vf_resources()
348 static int bnxt_hwrm_func_buf_rgtr(struct bnxt *bp)  in bnxt_hwrm_func_buf_rgtr()  argument
352 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_BUF_RGTR, -1, -1);  in bnxt_hwrm_func_buf_rgtr()
354 	req.req_buf_num_pages = cpu_to_le16(bp->pf.hwrm_cmd_req_pages);  in bnxt_hwrm_func_buf_rgtr()
357 	req.req_buf_page_addr0 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[0]);  in bnxt_hwrm_func_buf_rgtr()
358 	req.req_buf_page_addr1 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[1]);  in bnxt_hwrm_func_buf_rgtr()
359 	req.req_buf_page_addr2 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[2]);  in bnxt_hwrm_func_buf_rgtr()
360 	req.req_buf_page_addr3 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[3]);  in bnxt_hwrm_func_buf_rgtr()
362 	return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);  in bnxt_hwrm_func_buf_rgtr()
366 static int bnxt_hwrm_func_cfg(struct bnxt *bp, int *num_vfs)  in bnxt_hwrm_func_cfg()  argument
371 	struct bnxt_pf_info *pf = &bp->pf;  in bnxt_hwrm_func_cfg()
373 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);  in bnxt_hwrm_func_cfg()
381 	vf_cp_rings = min_t(u16, bp->pf.max_cp_rings, bp->pf.max_stat_ctxs);  in bnxt_hwrm_func_cfg()
382 	vf_cp_rings = (vf_cp_rings - bp->cp_nr_rings) / *num_vfs;  in bnxt_hwrm_func_cfg()
385 	vf_stat_ctx = (bp->pf.max_stat_ctxs - bp->num_stat_ctxs) / *num_vfs;  in bnxt_hwrm_func_cfg()
386 	if (bp->flags & BNXT_FLAG_AGG_RINGS)  in bnxt_hwrm_func_cfg()
387 		vf_rx_rings = (bp->pf.max_rx_rings - bp->rx_nr_rings * 2) /  in bnxt_hwrm_func_cfg()
390 		vf_rx_rings = (bp->pf.max_rx_rings - bp->rx_nr_rings) /  in bnxt_hwrm_func_cfg()
392 	vf_tx_rings = (bp->pf.max_tx_rings - bp->tx_nr_rings) / *num_vfs;  in bnxt_hwrm_func_cfg()
404 	mtu = bp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;  in bnxt_hwrm_func_cfg()
419 	mutex_lock(&bp->hwrm_cmd_lock);  in bnxt_hwrm_func_cfg()
422 		rc = _hwrm_send_message(bp, &req, sizeof(req),  in bnxt_hwrm_func_cfg()
426 		bp->pf.active_vfs = i + 1;  in bnxt_hwrm_func_cfg()
427 		bp->pf.vf[i].fw_fid = le16_to_cpu(req.vf_id);  in bnxt_hwrm_func_cfg()
429 	mutex_unlock(&bp->hwrm_cmd_lock);  in bnxt_hwrm_func_cfg()
431 		bp->pf.max_pf_tx_rings = bp->tx_nr_rings;  in bnxt_hwrm_func_cfg()
432 		if (bp->flags & BNXT_FLAG_AGG_RINGS)  in bnxt_hwrm_func_cfg()
433 			bp->pf.max_pf_rx_rings = bp->rx_nr_rings * 2;  in bnxt_hwrm_func_cfg()
435 			bp->pf.max_pf_rx_rings = bp->rx_nr_rings;  in bnxt_hwrm_func_cfg()
440 static int bnxt_sriov_enable(struct bnxt *bp, int *num_vfs)  in bnxt_sriov_enable()  argument
457 		if (bp->flags & BNXT_FLAG_AGG_RINGS) {  in bnxt_sriov_enable()
458 			if (bp->pf.max_rx_rings - bp->rx_nr_rings * 2 >=  in bnxt_sriov_enable()
462 			if (bp->pf.max_rx_rings - bp->rx_nr_rings >=  in bnxt_sriov_enable()
467 		if (bp->pf.max_tx_rings - bp->tx_nr_rings >= min_tx_rings)  in bnxt_sriov_enable()
470 		if (bp->pf.max_rsscos_ctxs - bp->rsscos_nr_ctxs >= min_rss_ctxs)  in bnxt_sriov_enable()
480 		netdev_err(bp->dev, "Cannot enable VF's as all resources are used by PF\n");  in bnxt_sriov_enable()
485 		netdev_info(bp->dev, "Requested VFs %d, can enable %d\n",  in bnxt_sriov_enable()
490 	rc = bnxt_alloc_vf_resources(bp, *num_vfs);  in bnxt_sriov_enable()
495 	rc = bnxt_hwrm_func_cfg(bp, num_vfs);  in bnxt_sriov_enable()
500 	rc = bnxt_hwrm_func_buf_rgtr(bp);  in bnxt_sriov_enable()
504 	rc = pci_enable_sriov(bp->pdev, *num_vfs);  in bnxt_sriov_enable()
512 	bnxt_hwrm_func_vf_resource_free(bp, *num_vfs);  in bnxt_sriov_enable()
515 	bnxt_free_vf_resources(bp);  in bnxt_sriov_enable()
520 void bnxt_sriov_disable(struct bnxt *bp)  in bnxt_sriov_disable()  argument
522 	u16 num_vfs = pci_num_vf(bp->pdev);  in bnxt_sriov_disable()
527 	if (pci_vfs_assigned(bp->pdev)) {  in bnxt_sriov_disable()
528 		netdev_warn(bp->dev, "Unable to free %d VFs because some are assigned to VMs.\n",  in bnxt_sriov_disable()
531 		pci_disable_sriov(bp->pdev);  in bnxt_sriov_disable()
533 		bnxt_hwrm_func_vf_resource_free(bp, num_vfs);  in bnxt_sriov_disable()
536 	bnxt_free_vf_resources(bp);  in bnxt_sriov_disable()
538 	bp->pf.active_vfs = 0;  in bnxt_sriov_disable()
539 	bp->pf.max_pf_rx_rings = bp->pf.max_rx_rings;  in bnxt_sriov_disable()
540 	bp->pf.max_pf_tx_rings = bp->pf.max_tx_rings;  in bnxt_sriov_disable()
546 	struct bnxt *bp = netdev_priv(dev);  in bnxt_sriov_configure()  local
548 	if (!(bp->flags & BNXT_FLAG_USING_MSIX)) {  in bnxt_sriov_configure()
559 	bp->sriov_cfg = true;  in bnxt_sriov_configure()
562 	if (pci_vfs_assigned(bp->pdev)) {  in bnxt_sriov_configure()
569 	if (num_vfs && num_vfs == bp->pf.active_vfs)  in bnxt_sriov_configure()
573 	bnxt_sriov_disable(bp);  in bnxt_sriov_configure()
577 	bnxt_sriov_enable(bp, &num_vfs);  in bnxt_sriov_configure()
580 	bp->sriov_cfg = false;  in bnxt_sriov_configure()
581 	wake_up(&bp->sriov_cfg_wait);  in bnxt_sriov_configure()
586 static int bnxt_hwrm_fwd_resp(struct bnxt *bp, struct bnxt_vf_info *vf,  in bnxt_hwrm_fwd_resp()  argument
592 	struct hwrm_fwd_resp_output *resp = bp->hwrm_cmd_resp_addr;  in bnxt_hwrm_fwd_resp()
594 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FWD_RESP, -1, -1);  in bnxt_hwrm_fwd_resp()
603 	mutex_lock(&bp->hwrm_cmd_lock);  in bnxt_hwrm_fwd_resp()
604 	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);  in bnxt_hwrm_fwd_resp()
607 		netdev_err(bp->dev, "hwrm_fwd_resp failed. rc:%d\n", rc);  in bnxt_hwrm_fwd_resp()
612 		netdev_err(bp->dev, "hwrm_fwd_resp error %d\n",  in bnxt_hwrm_fwd_resp()
618 	mutex_unlock(&bp->hwrm_cmd_lock);  in bnxt_hwrm_fwd_resp()
622 static int bnxt_hwrm_fwd_err_resp(struct bnxt *bp, struct bnxt_vf_info *vf,  in bnxt_hwrm_fwd_err_resp()  argument
627 	struct hwrm_reject_fwd_resp_output *resp = bp->hwrm_cmd_resp_addr;  in bnxt_hwrm_fwd_err_resp()
629 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_REJECT_FWD_RESP, -1, -1);  in bnxt_hwrm_fwd_err_resp()
634 	mutex_lock(&bp->hwrm_cmd_lock);  in bnxt_hwrm_fwd_err_resp()
635 	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);  in bnxt_hwrm_fwd_err_resp()
638 		netdev_err(bp->dev, "hwrm_fwd_err_resp failed. rc:%d\n", rc);  in bnxt_hwrm_fwd_err_resp()
643 		netdev_err(bp->dev, "hwrm_fwd_err_resp error %d\n",  in bnxt_hwrm_fwd_err_resp()
649 	mutex_unlock(&bp->hwrm_cmd_lock);  in bnxt_hwrm_fwd_err_resp()
653 static int bnxt_hwrm_exec_fwd_resp(struct bnxt *bp, struct bnxt_vf_info *vf,  in bnxt_hwrm_exec_fwd_resp()  argument
658 	struct hwrm_exec_fwd_resp_output *resp = bp->hwrm_cmd_resp_addr;  in bnxt_hwrm_exec_fwd_resp()
660 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_EXEC_FWD_RESP, -1, -1);  in bnxt_hwrm_exec_fwd_resp()
665 	mutex_lock(&bp->hwrm_cmd_lock);  in bnxt_hwrm_exec_fwd_resp()
666 	rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);  in bnxt_hwrm_exec_fwd_resp()
669 		netdev_err(bp->dev, "hwrm_exec_fw_resp failed. rc:%d\n", rc);  in bnxt_hwrm_exec_fwd_resp()
674 		netdev_err(bp->dev, "hwrm_exec_fw_resp error %d\n",  in bnxt_hwrm_exec_fwd_resp()
680 	mutex_unlock(&bp->hwrm_cmd_lock);  in bnxt_hwrm_exec_fwd_resp()
684 static int bnxt_vf_validate_set_mac(struct bnxt *bp, struct bnxt_vf_info *vf)  in bnxt_vf_validate_set_mac()  argument
692 		return bnxt_hwrm_exec_fwd_resp(bp, vf, msg_size);  in bnxt_vf_validate_set_mac()
694 		return bnxt_hwrm_fwd_err_resp(bp, vf, msg_size);  in bnxt_vf_validate_set_mac()
697 static int bnxt_vf_set_link(struct bnxt *bp, struct bnxt_vf_info *vf)  in bnxt_vf_set_link()  argument
704 			bp, vf, sizeof(struct hwrm_port_phy_qcfg_input));  in bnxt_vf_set_link()
711 		mutex_lock(&bp->hwrm_cmd_lock);  in bnxt_vf_set_link()
712 		memcpy(&phy_qcfg_resp, &bp->link_info.phy_qcfg_resp,  in bnxt_vf_set_link()
714 		mutex_unlock(&bp->hwrm_cmd_lock);  in bnxt_vf_set_link()
742 		rc = bnxt_hwrm_fwd_resp(bp, vf, &phy_qcfg_resp,  in bnxt_vf_set_link()
750 static int bnxt_vf_req_validate_snd(struct bnxt *bp, struct bnxt_vf_info *vf)  in bnxt_vf_req_validate_snd()  argument
758 		rc = bnxt_vf_validate_set_mac(bp, vf);  in bnxt_vf_req_validate_snd()
765 			bp, vf, sizeof(struct hwrm_func_cfg_input));  in bnxt_vf_req_validate_snd()
768 		rc = bnxt_vf_set_link(bp, vf);  in bnxt_vf_req_validate_snd()
776 void bnxt_hwrm_exec_fwd_req(struct bnxt *bp)  in bnxt_hwrm_exec_fwd_req()  argument
778 	u32 i = 0, active_vfs = bp->pf.active_vfs, vf_id;  in bnxt_hwrm_exec_fwd_req()
782 		vf_id = find_next_bit(bp->pf.vf_event_bmap, active_vfs, i);  in bnxt_hwrm_exec_fwd_req()
786 		clear_bit(vf_id, bp->pf.vf_event_bmap);  in bnxt_hwrm_exec_fwd_req()
787 		bnxt_vf_req_validate_snd(bp, &bp->pf.vf[vf_id]);  in bnxt_hwrm_exec_fwd_req()
792 void bnxt_update_vf_mac(struct bnxt *bp)  in bnxt_update_vf_mac()  argument
795 	struct hwrm_func_qcaps_output *resp = bp->hwrm_cmd_resp_addr;  in bnxt_update_vf_mac()
797 	bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCAPS, -1, -1);  in bnxt_update_vf_mac()
800 	mutex_lock(&bp->hwrm_cmd_lock);  in bnxt_update_vf_mac()
801 	if (_hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT))  in bnxt_update_vf_mac()
807 	if (!ether_addr_equal(resp->perm_mac_address, bp->vf.mac_addr))  in bnxt_update_vf_mac()
808 		memcpy(bp->vf.mac_addr, resp->perm_mac_address, ETH_ALEN);  in bnxt_update_vf_mac()
810 	memcpy(bp->dev->dev_addr, bp->vf.mac_addr, ETH_ALEN);  in bnxt_update_vf_mac()
812 	mutex_unlock(&bp->hwrm_cmd_lock);  in bnxt_update_vf_mac()
817 void bnxt_sriov_disable(struct bnxt *bp)  in bnxt_sriov_disable()  argument
821 void bnxt_hwrm_exec_fwd_req(struct bnxt *bp)  in bnxt_hwrm_exec_fwd_req()  argument
823 	netdev_err(bp->dev, "Invalid VF message received when SRIOV is not enable\n");  in bnxt_hwrm_exec_fwd_req()
826 void bnxt_update_vf_mac(struct bnxt *bp)  in bnxt_update_vf_mac()  argument