drivers/net/wireless/quantenna/qtnfmac/qlink_util.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */
   3
   4 #ifndef _QTN_FMAC_QLINK_UTIL_H_
   5 #define _QTN_FMAC_QLINK_UTIL_H_
   6
   7 #include <linux/types.h>
   8 #include <linux/skbuff.h>
   9 #include <net/cfg80211.h>
  10
  11 #include "qlink.h"
  12
  13 static inline void
  14 qtnf_cmd_skb_put_buffer(struct sk_buff *skb, const u8 *buf_src, size_t len)
  15 {
  16         skb_put_data(skb, buf_src, len);
  17 }
  18
  19 static inline void qtnf_cmd_skb_put_tlv_arr(struct sk_buff *skb,
  20                                             u16 tlv_id, const u8 arr[],
  21                                             size_t arr_len)
  22 {
  23         struct qlink_tlv_hdr *hdr;
  24
  25         hdr = skb_put(skb, sizeof(*hdr) + round_up(arr_len, QLINK_ALIGN));
  26         hdr->type = cpu_to_le16(tlv_id);
  27         hdr->len = cpu_to_le16(arr_len);
  28         memcpy(hdr->val, arr, arr_len);
  29 }
  30
  31 static inline void qtnf_cmd_skb_put_tlv_u32(struct sk_buff *skb,
  32                                             u16 tlv_id, u32 value)
  33 {
  34         struct qlink_tlv_hdr *hdr = skb_put(skb, sizeof(*hdr) + sizeof(value));
  35         __le32 tmp = cpu_to_le32(value);
  36
  37         hdr->type = cpu_to_le16(tlv_id);
  38         hdr->len = cpu_to_le16(sizeof(value));
  39         memcpy(hdr->val, &tmp, sizeof(tmp));
  40 }
  41
  42 u16 qlink_iface_type_to_nl_mask(u16 qlink_type);
  43 u8 qlink_chan_width_mask_to_nl(u16 qlink_mask);
  44 void qlink_chandef_q2cfg(struct wiphy *wiphy,
  45                          const struct qlink_chandef *qch,
  46                          struct cfg80211_chan_def *chdef);
  47 void qlink_chandef_cfg2q(const struct cfg80211_chan_def *chdef,
  48                          struct qlink_chandef *qch);
  49 enum qlink_hidden_ssid qlink_hidden_ssid_nl2q(enum nl80211_hidden_ssid nl_val);
  50 bool qtnf_utils_is_bit_set(const u8 *arr, unsigned int bit,
  51                            unsigned int arr_max_len);
  52 void qlink_acl_data_cfg2q(const struct cfg80211_acl_data *acl,
  53                           struct qlink_acl_data *qacl);
  54 enum qlink_band qlink_utils_band_cfg2q(enum nl80211_band band);
  55 enum qlink_dfs_state qlink_utils_dfs_state_cfg2q(enum nl80211_dfs_state state);
  56 u32 qlink_utils_chflags_cfg2q(u32 cfgflags);
  57 void qlink_utils_regrule_q2nl(struct ieee80211_reg_rule *rule,
  58                               const struct qlink_tlv_reg_rule *tlv_rule);
  59
  60 #define qlink_for_each_tlv(_tlv, _start, _datalen)                      \
  61         for (_tlv = (const struct qlink_tlv_hdr *)(_start);             \
  62              (const u8 *)(_start) + (_datalen) - (const u8 *)_tlv >=    \
  63                 (int)sizeof(*_tlv) &&                                   \
  64              (const u8 *)(_start) + (_datalen) - (const u8 *)_tlv >=    \
  65                 (int)sizeof(*_tlv) + le16_to_cpu(_tlv->len);            \
  66              _tlv = (const struct qlink_tlv_hdr *)(_tlv->val +          \
  67                 round_up(le16_to_cpu(_tlv->len), QLINK_ALIGN)))
  68
  69 #define qlink_tlv_parsing_ok(_tlv_last, _start, _datalen)       \
  70         ((const u8 *)(_tlv_last) == \
  71                 (const u8 *)(_start) + round_up(_datalen, QLINK_ALIGN))
  72
  73 #endif /* _QTN_FMAC_QLINK_UTIL_H_ */