package/kernel/mac80211/patches/brcm/114-v5.6-0006-brcmfmac-add-RSDB-condition-when-setting-interface-c.patch

   1 From 837482e69a3f0d7cbc73922020012f83635f5ddb Mon Sep 17 00:00:00 2001
   2 From: Wright Feng <wright.feng@cypress.com>
   3 Date: Thu, 12 Dec 2019 00:52:50 +0100
   4 Subject: [PATCH 6/7] brcmfmac: add RSDB condition when setting interface
   5  combinations
   6
   7 With firmware RSDB feature
   8 1. The maximum support interface is four.
   9 2. The maximum difference channel is two.
  10 3. The maximum interfaces of {station/p2p client/AP} are two.
  11 4. The maximum interface of p2p device is one.
  12
  13 Signed-off-by: Wright Feng <wright.feng@cypress.com>
  14 Signed-off-by: Soeren Moch <smoch@web.de>
  15 Reviewed-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
  16 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  17 ---
  18  .../broadcom/brcm80211/brcmfmac/cfg80211.c    | 54 ++++++++++++++++---
  19  1 file changed, 46 insertions(+), 8 deletions(-)
  20
  21 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
  22 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
  23 @@ -6520,6 +6520,9 @@ brcmf_txrx_stypes[NUM_NL80211_IFTYPES] =
  24   *     #STA <= 1, #AP <= 1, channels = 1, 2 total
  25   *     #AP <= 4, matching BI, channels = 1, 4 total
  26   *
  27 + * no p2p and rsdb:
  28 + *     #STA <= 2, #AP <= 2, channels = 2, 4 total
  29 + *
  30   * p2p, no mchan, and mbss:
  31   *
  32   *     #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 1, 3 total
  33 @@ -6531,6 +6534,10 @@ brcmf_txrx_stypes[NUM_NL80211_IFTYPES] =
  34   *     #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 2, 3 total
  35   *     #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total
  36   *     #AP <= 4, matching BI, channels = 1, 4 total
  37 + *
  38 + * p2p, rsdb, and no mbss:
  39 + *     #STA <= 2, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 2, AP <= 2,
  40 + *      channels = 2, 4 total
  41   */
  42  static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp)
  43  {
  44 @@ -6538,13 +6545,14 @@ static int brcmf_setup_ifmodes(struct wi
  45         struct ieee80211_iface_limit *c0_limits = NULL;
  46         struct ieee80211_iface_limit *p2p_limits = NULL;
  47         struct ieee80211_iface_limit *mbss_limits = NULL;
  48 -       bool mbss, p2p;
  49 +       bool mbss, p2p, rsdb;
  50         int i, c, n_combos;
  51
  52         mbss = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS);
  53         p2p = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P);
  54 +       rsdb = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB);
  55
  56 -       n_combos = 1 + !!p2p + !!mbss;
  57 +       n_combos = 1 + !!(p2p && !rsdb) + !!mbss;
  58         combo = kcalloc(n_combos, sizeof(*combo), GFP_KERNEL);
  59         if (!combo)
  60                 goto err;
  61 @@ -6555,16 +6563,36 @@ static int brcmf_setup_ifmodes(struct wi
  62
  63         c = 0;
  64         i = 0;
  65 -       c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL);
  66 +       if (p2p && rsdb)
  67 +               c0_limits = kcalloc(4, sizeof(*c0_limits), GFP_KERNEL);
  68 +       else if (p2p)
  69 +               c0_limits = kcalloc(3, sizeof(*c0_limits), GFP_KERNEL);
  70 +       else
  71 +               c0_limits = kcalloc(2, sizeof(*c0_limits), GFP_KERNEL);
  72         if (!c0_limits)
  73                 goto err;
  74 -       c0_limits[i].max = 1;
  75 -       c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
  76 -       if (p2p) {
  77 +       if (p2p && rsdb) {
  78 +               combo[c].num_different_channels = 2;
  79 +               wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) |
  80 +                                         BIT(NL80211_IFTYPE_P2P_GO) |
  81 +                                         BIT(NL80211_IFTYPE_P2P_DEVICE);
  82 +               c0_limits[i].max = 2;
  83 +               c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
  84 +               c0_limits[i].max = 1;
  85 +               c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
  86 +               c0_limits[i].max = 2;
  87 +               c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
  88 +                                      BIT(NL80211_IFTYPE_P2P_GO);
  89 +               c0_limits[i].max = 2;
  90 +               c0_limits[i++].types = BIT(NL80211_IFTYPE_AP);
  91 +               combo[c].max_interfaces = 5;
  92 +       } else if (p2p) {
  93                 if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN))
  94                         combo[c].num_different_channels = 2;
  95                 else
  96                         combo[c].num_different_channels = 1;
  97 +               c0_limits[i].max = 1;
  98 +               c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
  99                 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) |
 100                                           BIT(NL80211_IFTYPE_P2P_GO) |
 101                                           BIT(NL80211_IFTYPE_P2P_DEVICE);
 102 @@ -6573,16 +6601,26 @@ static int brcmf_setup_ifmodes(struct wi
 103                 c0_limits[i].max = 1;
 104                 c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) |
 105                                        BIT(NL80211_IFTYPE_P2P_GO);
 106 +               combo[c].max_interfaces = i;
 107 +       } else if (rsdb) {
 108 +               combo[c].num_different_channels = 2;
 109 +               c0_limits[i].max = 2;
 110 +               c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
 111 +               c0_limits[i].max = 2;
 112 +               c0_limits[i++].types = BIT(NL80211_IFTYPE_AP);
 113 +               combo[c].max_interfaces = 3;
 114         } else {
 115                 combo[c].num_different_channels = 1;
 116                 c0_limits[i].max = 1;
 117 +               c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
 118 +               c0_limits[i].max = 1;
 119                 c0_limits[i++].types = BIT(NL80211_IFTYPE_AP);
 120 +               combo[c].max_interfaces = i;
 121         }
 122 -       combo[c].max_interfaces = i;
 123         combo[c].n_limits = i;
 124         combo[c].limits = c0_limits;
 125
 126 -       if (p2p) {
 127 +       if (p2p && !rsdb) {
 128                 c++;
 129                 i = 0;
 130                 p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL);