-/*
- * Copyright (c) 2016 QLogic Corporation.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2016 - 2018 Cavium Inc.
* All rights reserved.
- * www.qlogic.com
- *
- * See LICENSE.qede_pmd for copyright and licensing details.
+ * www.cavium.com
*/
#ifndef __ECORE_L2_H__
#define __ECORE_L2_H__
+
#include "ecore.h"
#include "ecore_hw.h"
#include "ecore_spq.h"
#include "ecore_l2_api.h"
-/**
- * @brief ecore_sp_vf_start - VF Function Start
- *
- * This ramrod is sent to initialize a virtual function (VF) is loaded.
- * It will configure the function related parameters.
- *
- * @note Final phase API.
- *
- * @param p_hwfn
- * @param concrete_vfid VF ID
- * @param opaque_vfid
- *
- * @return enum _ecore_status_t
- */
+#define MAX_QUEUES_PER_QZONE (sizeof(unsigned long) * 8)
+#define ECORE_QUEUE_CID_PF (0xff)
-enum _ecore_status_t ecore_sp_vf_start(struct ecore_hwfn *p_hwfn,
- u32 concrete_vfid, u16 opaque_vfid);
+/* Almost identical to the ecore_queue_start_common_params,
+ * but here we maintain the SB index in IGU CAM.
+ */
+struct ecore_queue_cid_params {
+ u8 vport_id;
+ u16 queue_id;
+ u8 stats_id;
+};
-/**
- * @brief ecore_sp_vf_update - VF Function Update Ramrod
- *
- * This ramrod performs updates of a virtual function (VF).
- * It currently contains no functionality.
- *
- * @note Final phase API.
- *
- * @param p_hwfn
- *
- * @return enum _ecore_status_t
+ /* Additional parameters required for initialization of the queue_cid
+ * and are relevant only for a PF initializing one for its VFs.
*/
+struct ecore_queue_cid_vf_params {
+ /* Should match the VF's relative index */
+ u8 vfid;
-enum _ecore_status_t ecore_sp_vf_update(struct ecore_hwfn *p_hwfn);
+ /* 0-based queue index. Should reflect the relative qzone the
+ * VF thinks is associated with it [in its range].
+ */
+ u8 vf_qid;
-/**
- * @brief ecore_sp_vf_stop - VF Function Stop Ramrod
- *
- * This ramrod is sent to unload a virtual function (VF).
- *
- * @note Final phase API.
- *
- * @param p_hwfn
- * @param concrete_vfid
- * @param opaque_vfid
- *
- * @return enum _ecore_status_t
- */
+ /* Indicates a VF is legacy, making it differ in several things:
+ * - Producers would be placed in a different place.
+ * - Makes assumptions regarding the CIDs.
+ */
+ u8 vf_legacy;
-enum _ecore_status_t ecore_sp_vf_stop(struct ecore_hwfn *p_hwfn,
- u32 concrete_vfid, u16 opaque_vfid);
+ /* For VFs, this index arrives via TLV to diffrentiate between
+ * different queues opened on the same qzone, and is passed
+ * [where the PF would have allocated it internally for its own].
+ */
+ u8 qid_usage_idx;
+};
-/**
- * @brief ecore_sp_eth_tx_queue_update -
- *
- * This ramrod updates a TX queue. It is used for setting the active
- * state of the queue.
- *
- * @note Final phase API.
- *
- * @param p_hwfn
- *
- * @return enum _ecore_status_t
- */
-enum _ecore_status_t ecore_sp_eth_tx_queue_update(struct ecore_hwfn *p_hwfn);
+struct ecore_queue_cid {
+ /* For stats-id, the `rel' is actually absolute as well */
+ struct ecore_queue_cid_params rel;
+ struct ecore_queue_cid_params abs;
+
+ /* These have no 'relative' meaning */
+ u16 sb_igu_id;
+ u8 sb_idx;
+
+ u32 cid;
+ u16 opaque_fid;
+
+ bool b_is_rx;
+
+ /* VFs queues are mapped differently, so we need to know the
+ * relative queue associated with them [0-based].
+ * Notice this is relevant on the *PF* queue-cid of its VF's queues,
+ * and not on the VF itself.
+ */
+ u8 vfid;
+ u8 vf_qid;
+
+ /* We need an additional index to diffrentiate between queues opened
+ * for same queue-zone, as VFs would have to communicate the info
+ * to the PF [otherwise PF has no way to diffrentiate].
+ */
+ u8 qid_usage_idx;
+
+ /* Legacy VFs might have Rx producer located elsewhere */
+ u8 vf_legacy;
+#define ECORE_QCID_LEGACY_VF_RX_PROD (1 << 0)
+#define ECORE_QCID_LEGACY_VF_CID (1 << 1)
+
+ struct ecore_hwfn *p_owner;
+};
+
+enum _ecore_status_t ecore_l2_alloc(struct ecore_hwfn *p_hwfn);
+void ecore_l2_setup(struct ecore_hwfn *p_hwfn);
+void ecore_l2_free(struct ecore_hwfn *p_hwfn);
+
+void ecore_eth_queue_cid_release(struct ecore_hwfn *p_hwfn,
+ struct ecore_queue_cid *p_cid);
+
+struct ecore_queue_cid *
+ecore_eth_queue_to_cid(struct ecore_hwfn *p_hwfn, u16 opaque_fid,
+ struct ecore_queue_start_common_params *p_params,
+ bool b_is_rx,
+ struct ecore_queue_cid_vf_params *p_vf_params);
enum _ecore_status_t
ecore_sp_eth_vport_start(struct ecore_hwfn *p_hwfn,
struct ecore_sp_vport_start_params *p_params);
/**
- * @brief - Starts an Rx queue; Should be used where contexts are handled
- * outside of the ramrod area [specifically iov scenarios]
+ * @brief - Starts an Rx queue, when queue_cid is already prepared
*
* @param p_hwfn
- * @param opaque_fid
- * @param cid
- * @param rx_queue_id
- * @param vport_id
- * @param stats_id
- * @param sb
- * @param sb_index
+ * @param p_cid
* @param bd_max_bytes
* @param bd_chain_phys_addr
* @param cqe_pbl_addr
* @param cqe_pbl_size
- * @param leading
*
* @return enum _ecore_status_t
*/
enum _ecore_status_t
-ecore_sp_eth_rxq_start_ramrod(struct ecore_hwfn *p_hwfn,
- u16 opaque_fid,
- u32 cid,
- u16 rx_queue_id,
- u8 vport_id,
- u8 stats_id,
- u16 sb,
- u8 sb_index,
- u16 bd_max_bytes,
- dma_addr_t bd_chain_phys_addr,
- dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size);
+ecore_eth_rxq_start_ramrod(struct ecore_hwfn *p_hwfn,
+ struct ecore_queue_cid *p_cid,
+ u16 bd_max_bytes,
+ dma_addr_t bd_chain_phys_addr,
+ dma_addr_t cqe_pbl_addr,
+ u16 cqe_pbl_size);
/**
- * @brief - Starts a Tx queue; Should be used where contexts are handled
- * outside of the ramrod area [specifically iov scenarios]
+ * @brief - Starts a Tx queue, where queue_cid is already prepared
*
* @param p_hwfn
- * @param opaque_fid
- * @param tx_queue_id
- * @param cid
- * @param vport_id
- * @param stats_id
- * @param sb
- * @param sb_index
+ * @param p_cid
* @param pbl_addr
* @param pbl_size
* @param p_pq_params - parameters for choosing the PQ for this Tx queue
* @return enum _ecore_status_t
*/
enum _ecore_status_t
-ecore_sp_eth_txq_start_ramrod(struct ecore_hwfn *p_hwfn,
- u16 opaque_fid,
- u16 tx_queue_id,
- u32 cid,
- u8 vport_id,
- u8 stats_id,
- u16 sb,
- u8 sb_index,
- dma_addr_t pbl_addr,
- u16 pbl_size,
- union ecore_qm_pq_params *p_pq_params);
+ecore_eth_txq_start_ramrod(struct ecore_hwfn *p_hwfn,
+ struct ecore_queue_cid *p_cid,
+ dma_addr_t pbl_addr, u16 pbl_size,
+ u16 pq_id);
u8 ecore_mcast_bin_from_mac(u8 *mac);
+enum _ecore_status_t ecore_set_rxq_coalesce(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt,
+ u16 coalesce,
+ struct ecore_queue_cid *p_cid);
+
+enum _ecore_status_t ecore_set_txq_coalesce(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt,
+ u16 coalesce,
+ struct ecore_queue_cid *p_cid);
+
+enum _ecore_status_t ecore_get_rxq_coalesce(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt,
+ struct ecore_queue_cid *p_cid,
+ u16 *p_hw_coal);
+
+enum _ecore_status_t ecore_get_txq_coalesce(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt,
+ struct ecore_queue_cid *p_cid,
+ u16 *p_hw_coal);
+
#endif