-/*
- * 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__
#include "ecore_spq.h"
#include "ecore_l2_api.h"
-struct ecore_queue_cid {
- /* 'Relative' is a relative term ;-). Usually the indices [not counting
- * SBs] would be PF-relative, but there are some cases where that isn't
- * the case - specifically for a PF configuring its VF indices it's
- * possible some fields [E.g., stats-id] in 'rel' would already be abs.
+#define MAX_QUEUES_PER_QZONE (sizeof(unsigned long) * 8)
+#define ECORE_QUEUE_CID_PF (0xff)
+
+/* 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;
+};
+
+ /* 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;
+
+ /* 0-based queue index. Should reflect the relative qzone the
+ * VF thinks is associated with it [in its range].
+ */
+ u8 vf_qid;
+
+ /* Indicates a VF is legacy, making it differ in several things:
+ * - Producers would be placed in a different place.
+ * - Makes assumptions regarding the CIDs.
*/
- struct ecore_queue_start_common_params rel;
- struct ecore_queue_start_common_params abs;
+ u8 vf_legacy;
+
+ /* 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;
+};
+
+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.
*/
- bool is_vf;
+ 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 */
- bool b_legacy_vf;
+ 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, u32 cid, u8 vf_qid,
- struct ecore_queue_start_common_params *p_params);
+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,
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