/* SPDX-License-Identifier: GPL-2.0+ */
/* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */

#ifndef _QTN_FMAC_QLINK_UTIL_H_
#define _QTN_FMAC_QLINK_UTIL_H_

#include <linux/types.h>
#include <linux/skbuff.h>
#include <net/cfg80211.h>

#include "qlink.h"

static inline void
qtnf_cmd_skb_put_buffer(struct sk_buff *skb, const u8 *buf_src, size_t len)
{
        skb_put_data(skb, buf_src, len);
}

static inline void qtnf_cmd_skb_put_tlv_arr(struct sk_buff *skb,
                                            u16 tlv_id, const u8 arr[],
                                            size_t arr_len)
{
        struct qlink_tlv_hdr *hdr;

        hdr = skb_put(skb, sizeof(*hdr) + round_up(arr_len, QLINK_ALIGN));
        hdr->type = cpu_to_le16(tlv_id);
        hdr->len = cpu_to_le16(arr_len);
        memcpy(hdr->val, arr, arr_len);
}

static inline void qtnf_cmd_skb_put_tlv_u32(struct sk_buff *skb,
                                            u16 tlv_id, u32 value)
{
        struct qlink_tlv_hdr *hdr = skb_put(skb, sizeof(*hdr) + sizeof(value));
        __le32 tmp = cpu_to_le32(value);

        hdr->type = cpu_to_le16(tlv_id);
        hdr->len = cpu_to_le16(sizeof(value));
        memcpy(hdr->val, &tmp, sizeof(tmp));
}

u16 qlink_iface_type_to_nl_mask(u16 qlink_type);
u8 qlink_chan_width_mask_to_nl(u16 qlink_mask);
void qlink_chandef_q2cfg(struct wiphy *wiphy,
                         const struct qlink_chandef *qch,
                         struct cfg80211_chan_def *chdef);
void qlink_chandef_cfg2q(const struct cfg80211_chan_def *chdef,
                         struct qlink_chandef *qch);
enum qlink_hidden_ssid qlink_hidden_ssid_nl2q(enum nl80211_hidden_ssid nl_val);
bool qtnf_utils_is_bit_set(const u8 *arr, unsigned int bit,
                           unsigned int arr_max_len);
void qlink_acl_data_cfg2q(const struct cfg80211_acl_data *acl,
                          struct qlink_acl_data *qacl);
enum qlink_band qlink_utils_band_cfg2q(enum nl80211_band band);
enum qlink_dfs_state qlink_utils_dfs_state_cfg2q(enum nl80211_dfs_state state);
u32 qlink_utils_chflags_cfg2q(u32 cfgflags);
void qlink_utils_regrule_q2nl(struct ieee80211_reg_rule *rule,
                              const struct qlink_tlv_reg_rule *tlv_rule);

#define qlink_for_each_tlv(_tlv, _start, _datalen)                      \
        for (_tlv = (const struct qlink_tlv_hdr *)(_start);             \
             (const u8 *)(_start) + (_datalen) - (const u8 *)_tlv >=    \
                (int)sizeof(*_tlv) &&                                   \
             (const u8 *)(_start) + (_datalen) - (const u8 *)_tlv >=    \
                (int)sizeof(*_tlv) + le16_to_cpu(_tlv->len);            \
             _tlv = (const struct qlink_tlv_hdr *)(_tlv->val +          \
                round_up(le16_to_cpu(_tlv->len), QLINK_ALIGN)))

#define qlink_tlv_parsing_ok(_tlv_last, _start, _datalen)       \
        ((const u8 *)(_tlv_last) == \
                (const u8 *)(_start) + round_up(_datalen, QLINK_ALIGN))

#endif /* _QTN_FMAC_QLINK_UTIL_H_ */