From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/net/wireless/quantenna/qtnfmac/util.c | 123 ++++++++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 drivers/net/wireless/quantenna/qtnfmac/util.c (limited to 'drivers/net/wireless/quantenna/qtnfmac/util.c') diff --git a/drivers/net/wireless/quantenna/qtnfmac/util.c b/drivers/net/wireless/quantenna/qtnfmac/util.c new file mode 100644 index 000000000..cda6f5f3f --- /dev/null +++ b/drivers/net/wireless/quantenna/qtnfmac/util.c @@ -0,0 +1,123 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */ + +#include "util.h" +#include "qtn_hw_ids.h" + +void qtnf_sta_list_init(struct qtnf_sta_list *list) +{ + if (unlikely(!list)) + return; + + INIT_LIST_HEAD(&list->head); + atomic_set(&list->size, 0); +} + +struct qtnf_sta_node *qtnf_sta_list_lookup(struct qtnf_sta_list *list, + const u8 *mac) +{ + struct qtnf_sta_node *node; + + if (unlikely(!mac)) + return NULL; + + list_for_each_entry(node, &list->head, list) { + if (ether_addr_equal(node->mac_addr, mac)) + return node; + } + + return NULL; +} + +struct qtnf_sta_node *qtnf_sta_list_lookup_index(struct qtnf_sta_list *list, + size_t index) +{ + struct qtnf_sta_node *node; + + if (qtnf_sta_list_size(list) <= index) + return NULL; + + list_for_each_entry(node, &list->head, list) { + if (index-- == 0) + return node; + } + + return NULL; +} + +struct qtnf_sta_node *qtnf_sta_list_add(struct qtnf_vif *vif, + const u8 *mac) +{ + struct qtnf_sta_list *list = &vif->sta_list; + struct qtnf_sta_node *node; + + if (unlikely(!mac)) + return NULL; + + node = qtnf_sta_list_lookup(list, mac); + + if (node) + goto done; + + node = kzalloc(sizeof(*node), GFP_KERNEL); + if (unlikely(!node)) + goto done; + + ether_addr_copy(node->mac_addr, mac); + list_add_tail(&node->list, &list->head); + atomic_inc(&list->size); + ++vif->generation; + +done: + return node; +} + +bool qtnf_sta_list_del(struct qtnf_vif *vif, const u8 *mac) +{ + struct qtnf_sta_list *list = &vif->sta_list; + struct qtnf_sta_node *node; + bool ret = false; + + node = qtnf_sta_list_lookup(list, mac); + + if (node) { + list_del(&node->list); + atomic_dec(&list->size); + kfree(node); + ++vif->generation; + ret = true; + } + + return ret; +} + +void qtnf_sta_list_free(struct qtnf_sta_list *list) +{ + struct qtnf_sta_node *node, *tmp; + + atomic_set(&list->size, 0); + + list_for_each_entry_safe(node, tmp, &list->head, list) { + list_del(&node->list); + kfree(node); + } + + INIT_LIST_HEAD(&list->head); +} + +const char *qtnf_chipid_to_string(unsigned long chip_id) +{ + switch (chip_id) { + case QTN_CHIP_ID_TOPAZ: + return "Topaz"; + case QTN_CHIP_ID_PEARL: + return "Pearl revA"; + case QTN_CHIP_ID_PEARL_B: + return "Pearl revB"; + case QTN_CHIP_ID_PEARL_C: + return "Pearl revC"; + default: + return "unknown"; + } +} +EXPORT_SYMBOL_GPL(qtnf_chipid_to_string); -- cgit v1.2.3