recipes-bsp/linux/linux-omap/wl1271/0003-wl1271-11n-Support-ACX-Commands.patch

   1 From 160169e1e717020b8456278950c30d2b1f15c314 Mon Sep 17 00:00:00 2001
   2 From: Shahar Levi <shahar_levi@ti.com>
   3 Date: Wed, 13 Oct 2010 16:09:40 +0200
   4 Subject: [PATCH 03/15] wl1271: 11n Support, ACX Commands
   5
   6 Added ACX command to the FW for 11n support.
   7
   8 Signed-off-by: Shahar Levi <shahar_levi@ti.com>
   9 Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
  10 Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
  11 ---
  12  drivers/net/wireless/wl12xx/wl1271_acx.c |   83 ++++++++++++++++++++++++++++++
  13  drivers/net/wireless/wl12xx/wl1271_acx.h |    5 ++
  14  2 files changed, 88 insertions(+), 0 deletions(-)
  15
  16 diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
  17 index 6189934..bd7f95f 100644
  18 --- a/drivers/net/wireless/wl12xx/wl1271_acx.c
  19 +++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
  20 @@ -1226,6 +1226,89 @@ out:
  21         return ret;
  22  }
  23
  24 +int wl1271_acx_set_ht_capabilities(struct wl1271 *wl,
  25 +                                   struct ieee80211_sta_ht_cap *ht_cap,
  26 +                                   bool allow_ht_operation)
  27 +{
  28 +       struct wl1271_acx_ht_capabilities *acx;
  29 +       u8 mac_address[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
  30 +       int ret = 0;
  31 +
  32 +       wl1271_debug(DEBUG_ACX, "acx ht capabilities setting");
  33 +
  34 +       acx = kzalloc(sizeof(*acx), GFP_KERNEL);
  35 +       if (!acx) {
  36 +               ret = -ENOMEM;
  37 +               goto out;
  38 +       }
  39 +
  40 +       /* Allow HT Operation ? */
  41 +       if (allow_ht_operation) {
  42 +               acx->ht_capabilites =
  43 +                       WL1271_ACX_FW_CAP_HT_OPERATION;
  44 +               if (ht_cap->cap & IEEE80211_HT_CAP_GRN_FLD)
  45 +                       acx->ht_capabilites |=
  46 +                               WL1271_ACX_FW_CAP_GREENFIELD_FRAME_FORMAT;
  47 +               if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
  48 +                       acx->ht_capabilites |=
  49 +                               WL1271_ACX_FW_CAP_SHORT_GI_FOR_20MHZ_PACKETS;
  50 +               if (ht_cap->cap & IEEE80211_HT_CAP_LSIG_TXOP_PROT)
  51 +                       acx->ht_capabilites |=
  52 +                               WL1271_ACX_FW_CAP_LSIG_TXOP_PROTECTION;
  53 +
  54 +               /* get data from A-MPDU parameters field */
  55 +               acx->ampdu_max_length = ht_cap->ampdu_factor;
  56 +               acx->ampdu_min_spacing = ht_cap->ampdu_density;
  57 +
  58 +               memcpy(acx->mac_address, mac_address, ETH_ALEN);
  59 +       } else { /* HT operations are not allowed */
  60 +               acx->ht_capabilites = 0;
  61 +       }
  62 +
  63 +       ret = wl1271_cmd_configure(wl, ACX_PEER_HT_CAP, acx, sizeof(*acx));
  64 +       if (ret < 0) {
  65 +               wl1271_warning("acx ht capabilities setting failed: %d", ret);
  66 +               goto out;
  67 +       }
  68 +
  69 +out:
  70 +       kfree(acx);
  71 +       return ret;
  72 +}
  73 +
  74 +int wl1271_acx_set_ht_information(struct wl1271 *wl,
  75 +                                  u16 ht_operation_mode)
  76 +{
  77 +       struct wl1271_acx_ht_information *acx;
  78 +       int ret = 0;
  79 +
  80 +       wl1271_debug(DEBUG_ACX, "acx ht information setting");
  81 +
  82 +       acx = kzalloc(sizeof(*acx), GFP_KERNEL);
  83 +       if (!acx) {
  84 +               ret = -ENOMEM;
  85 +               goto out;
  86 +       }
  87 +
  88 +       acx->ht_protection =
  89 +               (u8)(ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION);
  90 +       acx->rifs_mode = 0;
  91 +       acx->gf_protection = 0;
  92 +       acx->ht_tx_burst_limit = 0;
  93 +       acx->dual_cts_protection = 0;
  94 +
  95 +       ret = wl1271_cmd_configure(wl, ACX_HT_BSS_OPERATION, acx, sizeof(*acx));
  96 +
  97 +       if (ret < 0) {
  98 +               wl1271_warning("acx ht information setting failed: %d", ret);
  99 +               goto out;
 100 +       }
 101 +
 102 +out:
 103 +       kfree(acx);
 104 +       return ret;
 105 +}
 106 +
 107  int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime)
 108  {
 109         struct wl1271_acx_fw_tsf_information *tsf_info;
 110 diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
 111 index f090a04..7589167 100644
 112 --- a/drivers/net/wireless/wl12xx/wl1271_acx.h
 113 +++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
 114 @@ -1174,6 +1174,11 @@ int wl1271_acx_keep_alive_config(struct wl1271 *wl, u8 index, u8 tpl_valid);
 115  int wl1271_acx_rssi_snr_trigger(struct wl1271 *wl, bool enable,
 116                                 s16 thold, u8 hyst);
 117  int wl1271_acx_rssi_snr_avg_weights(struct wl1271 *wl);
 118 +int wl1271_acx_set_ht_capabilities(struct wl1271 *wl,
 119 +                                   struct ieee80211_sta_ht_cap *ht_cap,
 120 +                                   bool allow_ht_operation);
 121 +int wl1271_acx_set_ht_information(struct wl1271 *wl,
 122 +                                  u16 ht_operation_mode);
 123  int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime);
 124
 125  #endif /* __WL1271_ACX_H__ */
 126 --
 127 1.6.6.1
 128