package/kernel/mac80211/patches/390-brcmfmac-Build-wiphy-mode-and-interface-combinations.patch

   1 From: Pontus Fuchs <pontusf@broadcom.com>
   2 Date: Thu, 11 Jun 2015 00:12:18 +0200
   3 Subject: [PATCH] brcmfmac: Build wiphy mode and interface combinations
   4  dynamically
   5
   6 Switch from using semi hard coded interface combinations. This makes
   7 it easier to announce what the firmware actually supports. This fixes
   8 the case where brcmfmac announces p2p but the firmware doesn't
   9 support it.
  10
  11 Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
  12 Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
  13 Reviewed-by: Arend Van Spriel <arend@broadcom.com>
  14 Signed-off-by: Pontus Fuchs <pontusf@broadcom.com>
  15 Signed-off-by: Arend van Spriel <arend@broadcom.com>
  16 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  17 ---
  18
  19 --- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
  20 +++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
  21 @@ -52,8 +52,6 @@
  22  #define BRCMF_PNO_SCAN_COMPLETE                1
  23  #define BRCMF_PNO_SCAN_INCOMPLETE      0
  24
  25 -#define BRCMF_IFACE_MAX_CNT            3
  26 -
  27  #define WPA_OUI                                "\x00\x50\xF2"  /* WPA OUI */
  28  #define WPA_OUI_TYPE                   1
  29  #define RSN_OUI                                "\x00\x0F\xAC"  /* RSN OUI */
  30 @@ -5639,53 +5637,6 @@ static int brcmf_setup_wiphybands(struct
  31         return 0;
  32  }
  33
  34 -static const struct ieee80211_iface_limit brcmf_iface_limits_mbss[] = {
  35 -       {
  36 -               .max = 1,
  37 -               .types = BIT(NL80211_IFTYPE_STATION) |
  38 -                        BIT(NL80211_IFTYPE_ADHOC)
  39 -       },
  40 -       {
  41 -               .max = 4,
  42 -               .types = BIT(NL80211_IFTYPE_AP)
  43 -       },
  44 -       {
  45 -               .max = 1,
  46 -               .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
  47 -                        BIT(NL80211_IFTYPE_P2P_GO)
  48 -       },
  49 -       {
  50 -               .max = 1,
  51 -               .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
  52 -       }
  53 -};
  54 -
  55 -static const struct ieee80211_iface_limit brcmf_iface_limits_sbss[] = {
  56 -       {
  57 -               .max = 2,
  58 -               .types = BIT(NL80211_IFTYPE_STATION) |
  59 -                        BIT(NL80211_IFTYPE_ADHOC) |
  60 -                        BIT(NL80211_IFTYPE_AP)
  61 -       },
  62 -       {
  63 -               .max = 1,
  64 -               .types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
  65 -                        BIT(NL80211_IFTYPE_P2P_GO)
  66 -       },
  67 -       {
  68 -               .max = 1,
  69 -               .types = BIT(NL80211_IFTYPE_P2P_DEVICE)
  70 -       }
  71 -};
  72 -static struct ieee80211_iface_combination brcmf_iface_combos[] = {
  73 -       {
  74 -                .max_interfaces = BRCMF_IFACE_MAX_CNT,
  75 -                .num_different_channels = 1,
  76 -                .n_limits = ARRAY_SIZE(brcmf_iface_limits_sbss),
  77 -                .limits = brcmf_iface_limits_sbss,
  78 -       }
  79 -};
  80 -
  81  static const struct ieee80211_txrx_stypes
  82  brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = {
  83         [NL80211_IFTYPE_STATION] = {
  84 @@ -5715,6 +5666,67 @@ brcmf_txrx_stypes[NUM_NL80211_IFTYPES] =
  85         }
  86  };
  87
  88 +static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp)
  89 +{
  90 +       struct ieee80211_iface_combination *combo = NULL;
  91 +       struct ieee80211_iface_limit *limits = NULL;
  92 +       int i = 0, max_iface_cnt;
  93 +
  94 +       combo = kzalloc(sizeof(*combo), GFP_KERNEL);
  95 +       if (!combo)
  96 +               goto err;
  97 +
  98 +       limits = kzalloc(sizeof(*limits) * 4, GFP_KERNEL);
  99 +       if (!limits)
 100 +               goto err;
 101 +
 102 +       wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
 103 +                                BIT(NL80211_IFTYPE_ADHOC) |
 104 +                                BIT(NL80211_IFTYPE_AP);
 105 +
 106 +       if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
 107 +               combo->num_different_channels = 2;
 108 +       else
 109 +               combo->num_different_channels = 1;
 110 +
 111 +       if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) {
 112 +               limits[i].max = 1;
 113 +               limits[i++].types = BIT(NL80211_IFTYPE_STATION);
 114 +               limits[i].max = 4;
 115 +               limits[i++].types = BIT(NL80211_IFTYPE_AP);
 116 +               max_iface_cnt = 5;
 117 +       } else {
 118 +               limits[i].max = 2;
 119 +               limits[i++].types = BIT(NL80211_IFTYPE_STATION) |
 120 +                                   BIT(NL80211_IFTYPE_AP);
 121 +               max_iface_cnt = 2;
 122 +       }
 123 +
 124 +       if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P)) {
 125 +               wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) |
 126 +                                         BIT(NL80211_IFTYPE_P2P_GO) |
 127 +                                         BIT(NL80211_IFTYPE_P2P_DEVICE);
 128 +               limits[i].max = 1;
 129 +               limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
 130 +                                   BIT(NL80211_IFTYPE_P2P_GO);
 131 +               limits[i].max = 1;
 132 +               limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
 133 +               max_iface_cnt += 2;
 134 +       }
 135 +       combo->max_interfaces = max_iface_cnt;
 136 +       combo->limits = limits;
 137 +       combo->n_limits = i;
 138 +
 139 +       wiphy->iface_combinations = combo;
 140 +       wiphy->n_iface_combinations = 1;
 141 +       return 0;
 142 +
 143 +err:
 144 +       kfree(limits);
 145 +       kfree(combo);
 146 +       return -ENOMEM;
 147 +}
 148 +
 149  static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
 150  {
 151         /* scheduled scan settings */
 152 @@ -5745,7 +5757,6 @@ static void brcmf_wiphy_wowl_params(stru
 153  static int brcmf_setup_wiphy(struct wiphy *wiphy, struct brcmf_if *ifp)
 154  {
 155         struct ieee80211_supported_band *band;
 156 -       struct ieee80211_iface_combination ifc_combo;
 157         __le32 bandlist[3];
 158         u32 n_bands;
 159         int err, i;
 160 @@ -5753,24 +5764,11 @@ static int brcmf_setup_wiphy(struct wiph
 161         wiphy->max_scan_ssids = WL_NUM_SCAN_MAX;
 162         wiphy->max_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX;
 163         wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX;
 164 -       wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
 165 -                                BIT(NL80211_IFTYPE_ADHOC) |
 166 -                                BIT(NL80211_IFTYPE_AP) |
 167 -                                BIT(NL80211_IFTYPE_P2P_CLIENT) |
 168 -                                BIT(NL80211_IFTYPE_P2P_GO) |
 169 -                                BIT(NL80211_IFTYPE_P2P_DEVICE);
 170 -       /* need VSDB firmware feature for concurrent channels */
 171 -       ifc_combo = brcmf_iface_combos[0];
 172 -       if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
 173 -               ifc_combo.num_different_channels = 2;
 174 -       if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) {
 175 -               ifc_combo.n_limits = ARRAY_SIZE(brcmf_iface_limits_mbss),
 176 -               ifc_combo.limits = brcmf_iface_limits_mbss;
 177 -       }
 178 -       wiphy->iface_combinations = kmemdup(&ifc_combo,
 179 -                                           sizeof(ifc_combo),
 180 -                                           GFP_KERNEL);
 181 -       wiphy->n_iface_combinations = ARRAY_SIZE(brcmf_iface_combos);
 182 +
 183 +       err = brcmf_setup_ifmodes(wiphy, ifp);
 184 +       if (err)
 185 +               return err;
 186 +
 187         wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
 188         wiphy->cipher_suites = __wl_cipher_suites;
 189         wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites);
 190 @@ -6035,6 +6033,8 @@ static void brcmf_free_wiphy(struct wiph
 191         if (!wiphy)
 192                 return;
 193
 194 +       if (wiphy->iface_combinations)
 195 +               kfree(wiphy->iface_combinations->limits);
 196         kfree(wiphy->iface_combinations);
 197         if (wiphy->bands[IEEE80211_BAND_2GHZ]) {
 198                 kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels);