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linux/drivers/net/wireless/quantenna/qtnfmac/qlink_util.h
Igor Mitsyanko 501c3be1ec qtnfmac: drop unnecessary TLVs from scan command
Most part of scan command data is always present, so no need
to keep it in TLV. Simplify scan command processing moving
most part of its parameters into a fixed part of
qlink_cmd_scan message.

Use fixed dwell time values for normal scan when device is not
connected, and allow wireless card decide on dwell times by
itself if it's operating as a STA and is connected. When
connected, card can select dwell times dynamically based on
traffic conditions to get best results.

Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-02-12 18:16:48 +02:00

73 lines
2.5 KiB
C

/* 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_ */