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path: root/drivers/net/ethernet/qlogic/qed/qed_ll2.c
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Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_ll2.c')
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_ll2.c83
1 files changed, 31 insertions, 52 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
index 4afd8572ada6..0452b728c527 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
@@ -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.
*/
#include <linux/types.h>
@@ -1151,6 +1125,12 @@ static int
qed_ll2_acquire_connection_rx(struct qed_hwfn *p_hwfn,
struct qed_ll2_info *p_ll2_info)
{
+ struct qed_chain_init_params params = {
+ .intended_use = QED_CHAIN_USE_TO_CONSUME_PRODUCE,
+ .cnt_type = QED_CHAIN_CNT_TYPE_U16,
+ .num_elems = p_ll2_info->input.rx_num_desc,
+ };
+ struct qed_dev *cdev = p_hwfn->cdev;
struct qed_ll2_rx_packet *p_descq;
u32 capacity;
int rc = 0;
@@ -1158,13 +1138,10 @@ qed_ll2_acquire_connection_rx(struct qed_hwfn *p_hwfn,
if (!p_ll2_info->input.rx_num_desc)
goto out;
- rc = qed_chain_alloc(p_hwfn->cdev,
- QED_CHAIN_USE_TO_CONSUME_PRODUCE,
- QED_CHAIN_MODE_NEXT_PTR,
- QED_CHAIN_CNT_TYPE_U16,
- p_ll2_info->input.rx_num_desc,
- sizeof(struct core_rx_bd),
- &p_ll2_info->rx_queue.rxq_chain, NULL);
+ params.mode = QED_CHAIN_MODE_NEXT_PTR;
+ params.elem_size = sizeof(struct core_rx_bd);
+
+ rc = qed_chain_alloc(cdev, &p_ll2_info->rx_queue.rxq_chain, &params);
if (rc) {
DP_NOTICE(p_hwfn, "Failed to allocate ll2 rxq chain\n");
goto out;
@@ -1180,13 +1157,10 @@ qed_ll2_acquire_connection_rx(struct qed_hwfn *p_hwfn,
}
p_ll2_info->rx_queue.descq_array = p_descq;
- rc = qed_chain_alloc(p_hwfn->cdev,
- QED_CHAIN_USE_TO_CONSUME_PRODUCE,
- QED_CHAIN_MODE_PBL,
- QED_CHAIN_CNT_TYPE_U16,
- p_ll2_info->input.rx_num_desc,
- sizeof(struct core_rx_fast_path_cqe),
- &p_ll2_info->rx_queue.rcq_chain, NULL);
+ params.mode = QED_CHAIN_MODE_PBL;
+ params.elem_size = sizeof(struct core_rx_fast_path_cqe);
+
+ rc = qed_chain_alloc(cdev, &p_ll2_info->rx_queue.rcq_chain, &params);
if (rc) {
DP_NOTICE(p_hwfn, "Failed to allocate ll2 rcq chain\n");
goto out;
@@ -1203,6 +1177,13 @@ out:
static int qed_ll2_acquire_connection_tx(struct qed_hwfn *p_hwfn,
struct qed_ll2_info *p_ll2_info)
{
+ struct qed_chain_init_params params = {
+ .mode = QED_CHAIN_MODE_PBL,
+ .intended_use = QED_CHAIN_USE_TO_CONSUME_PRODUCE,
+ .cnt_type = QED_CHAIN_CNT_TYPE_U16,
+ .num_elems = p_ll2_info->input.tx_num_desc,
+ .elem_size = sizeof(struct core_tx_bd),
+ };
struct qed_ll2_tx_packet *p_descq;
u32 desc_size;
u32 capacity;
@@ -1211,13 +1192,8 @@ static int qed_ll2_acquire_connection_tx(struct qed_hwfn *p_hwfn,
if (!p_ll2_info->input.tx_num_desc)
goto out;
- rc = qed_chain_alloc(p_hwfn->cdev,
- QED_CHAIN_USE_TO_CONSUME_PRODUCE,
- QED_CHAIN_MODE_PBL,
- QED_CHAIN_CNT_TYPE_U16,
- p_ll2_info->input.tx_num_desc,
- sizeof(struct core_tx_bd),
- &p_ll2_info->tx_queue.txq_chain, NULL);
+ rc = qed_chain_alloc(p_hwfn->cdev, &p_ll2_info->tx_queue.txq_chain,
+ &params);
if (rc)
goto out;
@@ -1824,6 +1800,7 @@ qed_ll2_prepare_tx_packet_set_bd(struct qed_hwfn *p_hwfn,
enum core_roce_flavor_type roce_flavor;
enum core_tx_dest tx_dest;
u16 bd_data = 0, frag_idx;
+ u16 bitfield1;
roce_flavor = (pkt->qed_roce_flavor == QED_LL2_ROCE) ? CORE_ROCE
: CORE_RROCE;
@@ -1855,9 +1832,11 @@ qed_ll2_prepare_tx_packet_set_bd(struct qed_hwfn *p_hwfn,
pkt->remove_stag = true;
}
- SET_FIELD(start_bd->bitfield1, CORE_TX_BD_L4_HDR_OFFSET_W,
- cpu_to_le16(pkt->l4_hdr_offset_w));
- SET_FIELD(start_bd->bitfield1, CORE_TX_BD_TX_DST, tx_dest);
+ bitfield1 = le16_to_cpu(start_bd->bitfield1);
+ SET_FIELD(bitfield1, CORE_TX_BD_L4_HDR_OFFSET_W, pkt->l4_hdr_offset_w);
+ SET_FIELD(bitfield1, CORE_TX_BD_TX_DST, tx_dest);
+ start_bd->bitfield1 = cpu_to_le16(bitfield1);
+
bd_data |= pkt->bd_flags;
SET_FIELD(bd_data, CORE_TX_BD_DATA_START_BD, 0x1);
SET_FIELD(bd_data, CORE_TX_BD_DATA_NBDS, pkt->num_of_bds);