diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_ll2.h')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_ll2.h | 185 |
1 files changed, 88 insertions, 97 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.h b/drivers/net/ethernet/qlogic/qed/qed_ll2.h index 5f01fbd3c073..a174c6fc626a 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_ll2.h +++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.h @@ -1,33 +1,7 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ /* QLogic qed NIC Driver * Copyright (c) 2015-2017 QLogic Corporation - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and /or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. + * Copyright (c) 2019-2020 Marvell International Ltd. */ #ifndef _QED_LL2_H @@ -46,6 +20,17 @@ #include "qed_sp.h" #define QED_MAX_NUM_OF_LL2_CONNECTIONS (4) +/* LL2 queues handles will be split as follows: + * first will be legacy queues, and then the ctx based queues. + */ +#define QED_MAX_NUM_OF_LL2_CONNS_PF (4) +#define QED_MAX_NUM_OF_LEGACY_LL2_CONNS_PF (3) + +#define QED_MAX_NUM_OF_CTX_LL2_CONNS_PF \ + (QED_MAX_NUM_OF_LL2_CONNS_PF - QED_MAX_NUM_OF_LEGACY_LL2_CONNS_PF) + +#define QED_LL2_LEGACY_CONN_BASE_PF 0 +#define QED_LL2_CTX_CONN_BASE_PF QED_MAX_NUM_OF_LEGACY_LL2_CONNS_PF struct qed_ll2_rx_packet { struct list_head list_entry; @@ -70,7 +55,7 @@ struct qed_ll2_tx_packet { struct core_tx_bd *txq_bd; dma_addr_t tx_frag; u16 frag_len; - } bds_set[1]; + } bds_set[]; }; struct qed_ll2_rx_queue { @@ -79,6 +64,7 @@ struct qed_ll2_rx_queue { struct qed_chain rxq_chain; struct qed_chain rcq_chain; u8 rx_sb_index; + u8 ctx_based; bool b_cb_registered; __le16 *p_fw_cons; struct list_head active_descq; @@ -86,6 +72,7 @@ struct qed_ll2_rx_queue { struct list_head posting_descq; struct qed_ll2_rx_packet *descq_array; void __iomem *set_prod_addr; + struct core_pwm_prod_update_data db_data; }; struct qed_ll2_tx_queue { @@ -98,9 +85,6 @@ struct qed_ll2_tx_queue { struct list_head active_descq; struct list_head free_descq; struct list_head sending_descq; - void *descq_mem; /* memory for variable sized qed_ll2_tx_packet*/ - struct qed_ll2_tx_packet *cur_send_packet; - struct qed_ll2_tx_packet cur_completing_packet; u16 cur_completing_bd_idx; void __iomem *doorbell_addr; struct core_db_data db_msg; @@ -108,6 +92,9 @@ struct qed_ll2_tx_queue { u16 cur_send_frag_num; u16 cur_completing_frag_num; bool b_completing_packet; + void *descq_mem; /* memory for variable sized qed_ll2_tx_packet*/ + struct qed_ll2_tx_packet *cur_send_packet; + struct qed_ll2_tx_packet cur_completing_packet; }; struct qed_ll2_info { @@ -123,47 +110,49 @@ struct qed_ll2_info { enum core_tx_dest tx_dest; u8 tx_stats_en; bool main_func_queue; + struct qed_ll2_cbs cbs; struct qed_ll2_rx_queue rx_queue; struct qed_ll2_tx_queue tx_queue; - struct qed_ll2_cbs cbs; }; +extern const struct qed_ll2_ops qed_ll2_ops_pass; + /** - * @brief qed_ll2_acquire_connection - allocate resources, - * starts rx & tx (if relevant) queues pair. Provides - * connecion handler as output parameter. + * qed_ll2_acquire_connection(): Allocate resources, + * starts rx & tx (if relevant) queues pair. + * Provides connecion handler as output + * parameter. * + * @cxt: Pointer to the hw-function [opaque to some]. + * @data: Describes connection parameters. * - * @param cxt - pointer to the hw-function [opaque to some] - * @param data - describes connection parameters - * @return int + * Return: Int. */ int qed_ll2_acquire_connection(void *cxt, struct qed_ll2_acquire_data *data); /** - * @brief qed_ll2_establish_connection - start previously - * allocated LL2 queues pair + * qed_ll2_establish_connection(): start previously allocated LL2 queues pair * - * @param cxt - pointer to the hw-function [opaque to some] - * @param p_ptt - * @param connection_handle LL2 connection's handle obtained from - * qed_ll2_require_connection + * @cxt: Pointer to the hw-function [opaque to some]. + * @connection_handle: LL2 connection's handle obtained from + * qed_ll2_require_connection. * - * @return 0 on success, failure otherwise + * Return: 0 on success, failure otherwise. */ int qed_ll2_establish_connection(void *cxt, u8 connection_handle); /** - * @brief qed_ll2_post_rx_buffers - submit buffers to LL2 Rx queue. + * qed_ll2_post_rx_buffer(): Submit buffers to LL2 Rx queue. * - * @param cxt - pointer to the hw-function [opaque to some] - * @param connection_handle LL2 connection's handle obtained from - * qed_ll2_require_connection - * @param addr rx (physical address) buffers to submit - * @param cookie - * @param notify_fw produce corresponding Rx BD immediately + * @cxt: Pointer to the hw-function [opaque to some]. + * @connection_handle: LL2 connection's handle obtained from + * qed_ll2_require_connection. + * @addr: RX (physical address) buffers to submit. + * @buf_len: Buffer Len. + * @cookie: Cookie. + * @notify_fw: Produce corresponding Rx BD immediately. * - * @return 0 on success, failure otherwise + * Return: 0 on success, failure otherwise. */ int qed_ll2_post_rx_buffer(void *cxt, u8 connection_handle, @@ -171,15 +160,15 @@ int qed_ll2_post_rx_buffer(void *cxt, u16 buf_len, void *cookie, u8 notify_fw); /** - * @brief qed_ll2_prepare_tx_packet - request for start Tx BD - * to prepare Tx packet submission to FW. + * qed_ll2_prepare_tx_packet(): Request for start Tx BD + * to prepare Tx packet submission to FW. * - * @param cxt - pointer to the hw-function [opaque to some] - * @param connection_handle - * @param pkt - info regarding the tx packet - * @param notify_fw - issue doorbell to fw for this packet + * @cxt: Pointer to the hw-function [opaque to some]. + * @connection_handle: Connection handle. + * @pkt: Info regarding the tx packet. + * @notify_fw: Issue doorbell to fw for this packet. * - * @return 0 on success, failure otherwise + * Return: 0 on success, failure otherwise. */ int qed_ll2_prepare_tx_packet(void *cxt, u8 connection_handle, @@ -187,81 +176,83 @@ int qed_ll2_prepare_tx_packet(void *cxt, bool notify_fw); /** - * @brief qed_ll2_release_connection - releases resources - * allocated for LL2 connection + * qed_ll2_release_connection(): Releases resources allocated for LL2 + * connection. * - * @param cxt - pointer to the hw-function [opaque to some] - * @param connection_handle LL2 connection's handle obtained from - * qed_ll2_require_connection + * @cxt: Pointer to the hw-function [opaque to some]. + * @connection_handle: LL2 connection's handle obtained from + * qed_ll2_require_connection. + * + * Return: Void. */ void qed_ll2_release_connection(void *cxt, u8 connection_handle); /** - * @brief qed_ll2_set_fragment_of_tx_packet - provides fragments to fill - * Tx BD of BDs requested by - * qed_ll2_prepare_tx_packet + * qed_ll2_set_fragment_of_tx_packet(): Provides fragments to fill + * Tx BD of BDs requested by + * qed_ll2_prepare_tx_packet * - * @param cxt - pointer to the hw-function [opaque to some] - * @param connection_handle LL2 connection's handle - * obtained from - * qed_ll2_require_connection - * @param addr - * @param nbytes + * @cxt: Pointer to the hw-function [opaque to some]. + * @connection_handle: LL2 connection's handle obtained from + * qed_ll2_require_connection. + * @addr: Address. + * @nbytes: Number of bytes. * - * @return 0 on success, failure otherwise + * Return: 0 on success, failure otherwise. */ int qed_ll2_set_fragment_of_tx_packet(void *cxt, u8 connection_handle, dma_addr_t addr, u16 nbytes); /** - * @brief qed_ll2_terminate_connection - stops Tx/Rx queues - * + * qed_ll2_terminate_connection(): Stops Tx/Rx queues * - * @param cxt - pointer to the hw-function [opaque to some] - * @param connection_handle LL2 connection's handle - * obtained from - * qed_ll2_require_connection + * @cxt: Pointer to the hw-function [opaque to some]. + * @connection_handle: LL2 connection's handle obtained from + * qed_ll2_require_connection. * - * @return 0 on success, failure otherwise + * Return: 0 on success, failure otherwise. */ int qed_ll2_terminate_connection(void *cxt, u8 connection_handle); /** - * @brief qed_ll2_get_stats - get LL2 queue's statistics - * + * qed_ll2_get_stats(): Get LL2 queue's statistics * - * @param cxt - pointer to the hw-function [opaque to some] - * @param connection_handle LL2 connection's handle obtained from - * qed_ll2_require_connection - * @param p_stats + * @cxt: Pointer to the hw-function [opaque to some]. + * @connection_handle: LL2 connection's handle obtained from + * qed_ll2_require_connection. + * @p_stats: Pointer Status. * - * @return 0 on success, failure otherwise + * Return: 0 on success, failure otherwise. */ int qed_ll2_get_stats(void *cxt, u8 connection_handle, struct qed_ll2_stats *p_stats); /** - * @brief qed_ll2_alloc - Allocates LL2 connections set + * qed_ll2_alloc(): Allocates LL2 connections set. * - * @param p_hwfn + * @p_hwfn: HW device data. * - * @return int + * Return: Int. */ int qed_ll2_alloc(struct qed_hwfn *p_hwfn); /** - * @brief qed_ll2_setup - Inits LL2 connections set + * qed_ll2_setup(): Inits LL2 connections set. * - * @param p_hwfn + * @p_hwfn: HW device data. + * + * Return: Void. * */ void qed_ll2_setup(struct qed_hwfn *p_hwfn); /** - * @brief qed_ll2_free - Releases LL2 connections set + * qed_ll2_free(): Releases LL2 connections set + * + * @p_hwfn: HW device data. * - * @param p_hwfn + * Return: Void. * */ void qed_ll2_free(struct qed_hwfn *p_hwfn); |