diff options
-rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 5 | ||||
-rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c | 1 | ||||
-rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 48 |
3 files changed, 44 insertions, 10 deletions
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h index c5e6d8f7d26b..62e6318bc092 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h @@ -498,6 +498,7 @@ struct rtl8xxxu_txdesc40 { #define DESC_RATE_ID_SHIFT 16 #define DESC_RATE_ID_MASK 0xf #define TXDESC_NAVUSEHDR BIT(20) +#define TXDESC_EN_DESC_ID BIT(21) #define TXDESC_SEC_RC4 0x00400000 #define TXDESC_SEC_AES 0x00c00000 #define TXDESC_PKT_OFFSET_SHIFT 26 @@ -1775,6 +1776,7 @@ struct rtl8xxxu_cfo_tracking { #define RTL8XXXU_MAX_MAC_ID_NUM 128 #define RTL8XXXU_BC_MC_MACID 0 #define RTL8XXXU_BC_MC_MACID1 1 +#define RTL8XXXU_MAX_SEC_CAM_NUM 64 struct rtl8xxxu_priv { struct ieee80211_hw *hw; @@ -1908,6 +1910,7 @@ struct rtl8xxxu_priv { char led_name[32]; struct led_classdev led_cdev; DECLARE_BITMAP(mac_id_map, RTL8XXXU_MAX_MAC_ID_NUM); + DECLARE_BITMAP(cam_map, RTL8XXXU_MAX_SEC_CAM_NUM); }; struct rtl8xxxu_sta_info { @@ -1919,6 +1922,7 @@ struct rtl8xxxu_sta_info { struct rtl8xxxu_vif { int port_num; + u8 hw_key_idx; }; struct rtl8xxxu_rx_urb { @@ -1993,6 +1997,7 @@ struct rtl8xxxu_fileops { u16 max_aggr_num; u8 supports_ap:1; u16 max_macid_num; + u16 max_sec_cam_num; u32 adda_1t_init; u32 adda_1t_path_on; u32 adda_2t_path_on_a; diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c index 1e1c8fa194cb..574a5fe95154 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c @@ -1751,6 +1751,7 @@ struct rtl8xxxu_fileops rtl8188fu_fops = { .max_aggr_num = 0x0c14, .supports_ap = 1, .max_macid_num = 16, + .max_sec_cam_num = 16, .adda_1t_init = 0x03c00014, .adda_1t_path_on = 0x03c00014, .trxff_boundary = 0x3f7f, diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index 07cfce55a519..fb2bb042683a 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -4559,8 +4559,10 @@ static void rtl8xxxu_cam_write(struct rtl8xxxu_priv *priv, * This is a bit of a hack - the lower bits of the cipher * suite selector happens to match the cipher index in the CAM */ - addr = key->keyidx << CAM_CMD_KEY_SHIFT; + addr = key->hw_key_idx << CAM_CMD_KEY_SHIFT; ctrl = (key->cipher & 0x0f) << 2 | key->keyidx | CAM_WRITE_VALID; + if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) + ctrl |= BIT(6); for (j = 5; j >= 0; j--) { switch (j) { @@ -5546,13 +5548,14 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, struct rtl8xxxu_tx_urb *tx_urb; struct ieee80211_sta *sta = NULL; struct ieee80211_vif *vif = tx_info->control.vif; + struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv; struct device *dev = &priv->udev->dev; u32 queue, rts_rate; u16 pktlen = skb->len; int tx_desc_size = priv->fops->tx_desc_size; u8 macid; int ret; - bool ampdu_enable, sgi = false, short_preamble = false; + bool ampdu_enable, sgi = false, short_preamble = false, bmc = false; if (skb_headroom(skb) < tx_desc_size) { dev_warn(dev, @@ -5594,10 +5597,14 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, tx_desc->txdw0 = TXDESC_OWN | TXDESC_FIRST_SEGMENT | TXDESC_LAST_SEGMENT; if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || - is_broadcast_ether_addr(ieee80211_get_DA(hdr))) + is_broadcast_ether_addr(ieee80211_get_DA(hdr))) { tx_desc->txdw0 |= TXDESC_BROADMULTICAST; + bmc = true; + } + tx_desc->txdw1 = cpu_to_le32(queue << TXDESC_QUEUE_SHIFT); + macid = rtl8xxxu_get_macid(priv, sta); if (tx_info->control.hw_key) { switch (tx_info->control.hw_key->cipher) { @@ -5612,6 +5619,10 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, default: break; } + if (bmc && rtlvif->hw_key_idx != 0xff) { + tx_desc->txdw1 |= TXDESC_EN_DESC_ID; + macid = rtlvif->hw_key_idx; + } } /* (tx_info->flags & IEEE80211_TX_CTL_AMPDU) && */ @@ -5655,7 +5666,6 @@ static void rtl8xxxu_tx(struct ieee80211_hw *hw, else rts_rate = 0; - macid = rtl8xxxu_get_macid(priv, sta); priv->fops->fill_txdesc(hw, hdr, tx_info, tx_desc, sgi, short_preamble, ampdu_enable, rts_rate, macid); @@ -6667,6 +6677,7 @@ static int rtl8xxxu_add_interface(struct ieee80211_hw *hw, priv->vifs[port_num] = vif; rtlvif->port_num = port_num; + rtlvif->hw_key_idx = 0xff; rtl8xxxu_set_linktype(priv, vif->type, port_num); ether_addr_copy(priv->mac_addr, vif->addr); @@ -6843,11 +6854,19 @@ static int rtl8xxxu_set_rts_threshold(struct ieee80211_hw *hw, u32 rts) return 0; } +static int rtl8xxxu_get_free_sec_cam(struct ieee80211_hw *hw) +{ + struct rtl8xxxu_priv *priv = hw->priv; + + return find_first_zero_bit(priv->cam_map, priv->fops->max_sec_cam_num); +} + static int rtl8xxxu_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key) { + struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv; struct rtl8xxxu_priv *priv = hw->priv; struct device *dev = &priv->udev->dev; u8 mac_addr[ETH_ALEN]; @@ -6859,9 +6878,6 @@ static int rtl8xxxu_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, dev_dbg(dev, "%s: cmd %02x, cipher %08x, index %i\n", __func__, cmd, key->cipher, key->keyidx); - if (vif->type != NL80211_IFTYPE_STATION) - return -EOPNOTSUPP; - if (key->keyidx > 3) return -EOPNOTSUPP; @@ -6885,7 +6901,7 @@ static int rtl8xxxu_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, ether_addr_copy(mac_addr, sta->addr); } else { dev_dbg(dev, "%s: group key\n", __func__); - eth_broadcast_addr(mac_addr); + ether_addr_copy(mac_addr, vif->bss_conf.bssid); } val16 = rtl8xxxu_read16(priv, REG_CR); @@ -6899,16 +6915,28 @@ static int rtl8xxxu_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, switch (cmd) { case SET_KEY: - key->hw_key_idx = key->keyidx; + + retval = rtl8xxxu_get_free_sec_cam(hw); + if (retval < 0) + return -EOPNOTSUPP; + + key->hw_key_idx = retval; + + if (vif->type == NL80211_IFTYPE_AP && !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) + rtlvif->hw_key_idx = key->hw_key_idx; + key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; rtl8xxxu_cam_write(priv, key, mac_addr); + set_bit(key->hw_key_idx, priv->cam_map); retval = 0; break; case DISABLE_KEY: rtl8xxxu_write32(priv, REG_CAM_WRITE, 0x00000000); val32 = CAM_CMD_POLLING | CAM_CMD_WRITE | - key->keyidx << CAM_CMD_KEY_SHIFT; + key->hw_key_idx << CAM_CMD_KEY_SHIFT; rtl8xxxu_write32(priv, REG_CAM_CMD, val32); + rtlvif->hw_key_idx = 0xff; + clear_bit(key->hw_key_idx, priv->cam_map); retval = 0; break; default: |