package/mac80211/patches/309-rt2x00-Fix-MCS-rx_mask-rt2800pci.patch

   1 From e53f1806ad975dce4888ec16398735e4c6ad6cde Mon Sep 17 00:00:00 2001
   2 From: Ivo van Doorn <IvDoorn@gmail.com>
   3 Date: Sat, 7 Feb 2009 17:18:03 +0100
   4 Subject: [PATCH] rt2x00: Fix MCS rx_mask (rt2800pci)
   5
   6 Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
   7 ---
   8  drivers/net/wireless/rt2x00/rt2800pci.c |   22 ++++++++++++++++++++--
   9  1 files changed, 20 insertions(+), 2 deletions(-)
  10
  11 --- a/drivers/net/wireless/rt2x00/rt2800pci.c
  12 +++ b/drivers/net/wireless/rt2x00/rt2800pci.c
  13 @@ -2193,6 +2193,13 @@ static int rt2800pci_validate_eeprom(str
  14                 rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820);
  15                 rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
  16                 EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
  17 +       } else if (rt2x00_rev(&rt2x00dev->chip) < RT2883_VERSION) {
  18 +               /*
  19 +                * There is a max of 2 RX streams for RT2860 series
  20 +                */
  21 +               if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2)
  22 +                       rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
  23 +               rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
  24         }
  25
  26         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
  27 @@ -2416,6 +2423,7 @@ static int rt2800pci_probe_hw_mode(struc
  28         char *tx_power1;
  29         char *tx_power2;
  30         unsigned int i;
  31 +       u16 eeprom;
  32
  33         /*
  34          * Initialize all hw fields.
  35 @@ -2432,6 +2440,8 @@ static int rt2800pci_probe_hw_mode(struc
  36                                 rt2x00_eeprom_addr(rt2x00dev,
  37                                                    EEPROM_MAC_ADDR_0));
  38
  39 +       rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
  40 +
  41         /*
  42          * Initialize hw_mode information.
  43          */
  44 @@ -2463,11 +2473,19 @@ static int rt2800pci_probe_hw_mode(struc
  45             IEEE80211_HT_CAP_PSMP_SUPPORT;
  46         spec->ht.ampdu_factor = 3;
  47         spec->ht.ampdu_density = 4;
  48 -       spec->ht.mcs.rx_mask[0] = 0xff;
  49 -       spec->ht.mcs.rx_mask[1] = 0xff;
  50         spec->ht.mcs.tx_params =
  51             IEEE80211_HT_MCS_TX_DEFINED;
  52
  53 +       switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH)) {
  54 +       case 3:
  55 +               spec->ht.mcs.rx_mask[2] = 0xff;
  56 +       case 2:
  57 +               spec->ht.mcs.rx_mask[1] = 0xff;
  58 +       case 1:
  59 +               spec->ht.mcs.rx_mask[0] = 0xff;
  60 +               break;
  61 +       }
  62 +
  63         /*
  64          * Create channel information array
  65          */