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authorLennert Buytenhek <buytenh@wantstofly.org>2010-01-08 18:30:58 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-01-12 14:02:09 -0500
commit3f5610ff560aeaccf051a6f93f25535c219599a0 (patch)
tree8c013f41bab780a944b8d1cc2727e162c7441908 /drivers/net/wireless/mwl8k.c
parent088aab8b62666a002907c912cd346ae6dc9f42b7 (diff)
downloadop-kernel-dev-3f5610ff560aeaccf051a6f93f25535c219599a0.zip
op-kernel-dev-3f5610ff560aeaccf051a6f93f25535c219599a0.tar.gz
mwl8k: implement AP firmware station database maintenance
STA firmware uses UPDATE_STADB to manipulate the hardware station database, whereas AP firmware uses SET_NEW_STN -- this implements the latter, and hooks it into mwl8k_sta_notify(), to be used if we're running on AP firmware. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwl8k.c')
-rw-r--r--drivers/net/wireless/mwl8k.c134
1 files changed, 117 insertions, 17 deletions
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index ec79033..f0026f3 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -281,6 +281,7 @@ static const struct ieee80211_rate mwl8k_rates[] = {
#define MWL8K_CMD_ENABLE_SNIFFER 0x0150
#define MWL8K_CMD_SET_MAC_ADDR 0x0202
#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203
+#define MWL8K_CMD_SET_NEW_STN 0x1111
#define MWL8K_CMD_UPDATE_STADB 0x1123
static const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize)
@@ -313,6 +314,7 @@ static const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize)
MWL8K_CMDNAME(ENABLE_SNIFFER);
MWL8K_CMDNAME(SET_MAC_ADDR);
MWL8K_CMDNAME(SET_RATEADAPT_MODE);
+ MWL8K_CMDNAME(SET_NEW_STN);
MWL8K_CMDNAME(UPDATE_STADB);
default:
snprintf(buf, bufsize, "0x%x", cmd);
@@ -2660,6 +2662,90 @@ static int mwl8k_cmd_set_rateadapt_mode(struct ieee80211_hw *hw, __u16 mode)
}
/*
+ * CMD_SET_NEW_STN.
+ */
+struct mwl8k_cmd_set_new_stn {
+ struct mwl8k_cmd_pkt header;
+ __le16 aid;
+ __u8 mac_addr[6];
+ __le16 stn_id;
+ __le16 action;
+ __le16 rsvd;
+ __le32 legacy_rates;
+ __u8 ht_rates[4];
+ __le16 cap_info;
+ __le16 ht_capabilities_info;
+ __u8 mac_ht_param_info;
+ __u8 rev;
+ __u8 control_channel;
+ __u8 add_channel;
+ __le16 op_mode;
+ __le16 stbc;
+ __u8 add_qos_info;
+ __u8 is_qos_sta;
+ __le32 fw_sta_ptr;
+} __attribute__((packed));
+
+#define MWL8K_STA_ACTION_ADD 0
+#define MWL8K_STA_ACTION_REMOVE 2
+
+static int mwl8k_cmd_set_new_stn_add(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mwl8k_cmd_set_new_stn *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ cmd->aid = cpu_to_le16(sta->aid);
+ memcpy(cmd->mac_addr, sta->addr, ETH_ALEN);
+ cmd->stn_id = cpu_to_le16(sta->aid);
+ cmd->action = cpu_to_le16(MWL8K_STA_ACTION_ADD);
+ cmd->legacy_rates = cpu_to_le32(sta->supp_rates[IEEE80211_BAND_2GHZ]);
+ if (sta->ht_cap.ht_supported) {
+ cmd->ht_rates[0] = sta->ht_cap.mcs.rx_mask[0];
+ cmd->ht_rates[1] = sta->ht_cap.mcs.rx_mask[1];
+ cmd->ht_rates[2] = sta->ht_cap.mcs.rx_mask[2];
+ cmd->ht_rates[3] = sta->ht_cap.mcs.rx_mask[3];
+ cmd->ht_capabilities_info = cpu_to_le16(sta->ht_cap.cap);
+ cmd->mac_ht_param_info = (sta->ht_cap.ampdu_factor & 3) |
+ ((sta->ht_cap.ampdu_density & 7) << 2);
+ cmd->is_qos_sta = 1;
+ }
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+static int mwl8k_cmd_set_new_stn_del(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif, u8 *addr)
+{
+ struct mwl8k_cmd_set_new_stn *cmd;
+ int rc;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (cmd == NULL)
+ return -ENOMEM;
+
+ cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_NEW_STN);
+ cmd->header.length = cpu_to_le16(sizeof(*cmd));
+ memcpy(cmd->mac_addr, addr, ETH_ALEN);
+ cmd->action = cpu_to_le16(MWL8K_STA_ACTION_REMOVE);
+
+ rc = mwl8k_post_cmd(hw, &cmd->header);
+ kfree(cmd);
+
+ return rc;
+}
+
+/*
* CMD_UPDATE_STADB.
*/
struct ewc_ht_info {
@@ -3247,6 +3333,36 @@ struct mwl8k_sta_notify_item
struct ieee80211_sta sta;
};
+static void
+mwl8k_do_sta_notify(struct ieee80211_hw *hw, struct mwl8k_sta_notify_item *s)
+{
+ struct mwl8k_priv *priv = hw->priv;
+
+ /*
+ * STA firmware uses UPDATE_STADB, AP firmware uses SET_NEW_STN.
+ */
+ if (!priv->ap_fw && s->cmd == STA_NOTIFY_ADD) {
+ int rc;
+
+ rc = mwl8k_cmd_update_stadb_add(hw, s->vif, &s->sta);
+ if (rc >= 0) {
+ struct ieee80211_sta *sta;
+
+ rcu_read_lock();
+ sta = ieee80211_find_sta(s->vif, s->sta.addr);
+ if (sta != NULL)
+ MWL8K_STA(sta)->peer_id = rc;
+ rcu_read_unlock();
+ }
+ } else if (!priv->ap_fw && s->cmd == STA_NOTIFY_REMOVE) {
+ mwl8k_cmd_update_stadb_del(hw, s->vif, s->sta.addr);
+ } else if (priv->ap_fw && s->cmd == STA_NOTIFY_ADD) {
+ mwl8k_cmd_set_new_stn_add(hw, s->vif, &s->sta);
+ } else if (priv->ap_fw && s->cmd == STA_NOTIFY_REMOVE) {
+ mwl8k_cmd_set_new_stn_del(hw, s->vif, s->sta.addr);
+ }
+}
+
static void mwl8k_sta_notify_worker(struct work_struct *work)
{
struct mwl8k_priv *priv =
@@ -3263,23 +3379,7 @@ static void mwl8k_sta_notify_worker(struct work_struct *work)
spin_unlock_bh(&priv->sta_notify_list_lock);
- if (s->cmd == STA_NOTIFY_ADD) {
- int rc;
-
- rc = mwl8k_cmd_update_stadb_add(hw, s->vif, &s->sta);
- if (rc >= 0) {
- struct ieee80211_sta *sta;
-
- rcu_read_lock();
- sta = ieee80211_find_sta(s->vif, s->sta.addr);
- if (sta != NULL)
- MWL8K_STA(sta)->peer_id = rc;
- rcu_read_unlock();
- }
- } else {
- mwl8k_cmd_update_stadb_del(hw, s->vif, s->sta.addr);
- }
-
+ mwl8k_do_sta_notify(hw, s);
kfree(s);
spin_lock_bh(&priv->sta_notify_list_lock);
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