staging: rtl8192e: Remove unused function rtllib_start_master_bss()

Remove unused functions rtllib_start_master_bss(), rtllib_rx_assoc_rq()
and rtllib_rx_auth_rq() and resulting unused functions.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/ac2012d94fe4ff705cc900bb1cf2d58bc81c77f0.1691908402.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 6fa1d6a..de17024 100644 (file)
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -909,85 +909,6 @@ static struct sk_buff *rtllib_probe_resp(struct rtllib_device *ieee,
        return skb;
 }
 
-static struct sk_buff *rtllib_assoc_resp(struct rtllib_device *ieee, u8 *dest)
-{
-       struct sk_buff *skb;
-       u8 *tag;
-
-       struct lib80211_crypt_data *crypt;
-       struct rtllib_assoc_response_frame *assoc;
-       short encrypt;
-
-       unsigned int rate_len = rtllib_MFIE_rate_len(ieee);
-       int len = sizeof(struct rtllib_assoc_response_frame) + rate_len +
-                 ieee->tx_headroom;
-
-       skb = dev_alloc_skb(len);
-
-       if (!skb)
-               return NULL;
-
-       skb_reserve(skb, ieee->tx_headroom);
-
-       assoc = skb_put(skb, sizeof(struct rtllib_assoc_response_frame));
-
-       assoc->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_ASSOC_RESP);
-       ether_addr_copy(assoc->header.addr1, dest);
-       ether_addr_copy(assoc->header.addr3, ieee->dev->dev_addr);
-       ether_addr_copy(assoc->header.addr2, ieee->dev->dev_addr);
-       assoc->capability = cpu_to_le16(WLAN_CAPABILITY_IBSS);
-
-       assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME);
-
-       crypt = ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx];
-
-       encrypt = (crypt && crypt->ops);
-
-       if (encrypt)
-               assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
-
-       assoc->status = 0;
-       assoc->aid = cpu_to_le16(ieee->assoc_id);
-       if (ieee->assoc_id == 0x2007)
-               ieee->assoc_id = 0;
-       else
-               ieee->assoc_id++;
-
-       tag = skb_put(skb, rate_len);
-       rtllib_MFIE_Brate(ieee, &tag);
-       rtllib_MFIE_Grate(ieee, &tag);
-
-       return skb;
-}
-
-static struct sk_buff *rtllib_auth_resp(struct rtllib_device *ieee, int status,
-                                u8 *dest)
-{
-       struct sk_buff *skb = NULL;
-       struct rtllib_authentication *auth;
-       int len = ieee->tx_headroom + sizeof(struct rtllib_authentication) + 1;
-
-       skb = dev_alloc_skb(len);
-       if (!skb)
-               return NULL;
-
-       skb->len = sizeof(struct rtllib_authentication);
-
-       skb_reserve(skb, ieee->tx_headroom);
-
-       auth = skb_put(skb, sizeof(struct rtllib_authentication));
-
-       auth->status = cpu_to_le16(status);
-       auth->transaction = cpu_to_le16(2);
-       auth->algorithm = cpu_to_le16(WLAN_AUTH_OPEN);
-
-       ether_addr_copy(auth->header.addr3, ieee->dev->dev_addr);
-       ether_addr_copy(auth->header.addr2, ieee->dev->dev_addr);
-       ether_addr_copy(auth->header.addr1, dest);
-       auth->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_AUTH);
-       return skb;
-}
-
 static struct sk_buff *rtllib_null_func(struct rtllib_device *ieee, short pwr)
 {
        struct sk_buff *skb;
@@ -1035,22 +956,6 @@ static struct sk_buff *rtllib_pspoll_func(struct rtllib_device *ieee)
        return skb;
 }
 
-static void rtllib_resp_to_assoc_rq(struct rtllib_device *ieee, u8 *dest)
-{
-       struct sk_buff *buf = rtllib_assoc_resp(ieee, dest);
-
-       if (buf)
-               softmac_mgmt_xmit(buf, ieee);
-}
-
-static void rtllib_resp_to_auth(struct rtllib_device *ieee, int s, u8 *dest)
-{
-       struct sk_buff *buf = rtllib_auth_resp(ieee, s, dest);
-
-       if (buf)
-               softmac_mgmt_xmit(buf, ieee);
-}
-
 static void rtllib_resp_to_probe(struct rtllib_device *ieee, u8 *dest)
 {
        struct sk_buff *buf = rtllib_probe_resp(ieee, dest);
@@ -1708,25 +1613,6 @@ static inline int auth_parse(struct net_device *dev, struct sk_buff *skb,
        return 0;
 }
 
-static int auth_rq_parse(struct net_device *dev, struct sk_buff *skb, u8 *dest)
-{
-       struct rtllib_authentication *a;
-
-       if (skb->len <  (sizeof(struct rtllib_authentication) -
-           sizeof(struct rtllib_info_element))) {
-               netdev_dbg(dev, "invalid len in auth request: %d\n", skb->len);
-               return -1;
-       }
-       a = (struct rtllib_authentication *)skb->data;
-
-       ether_addr_copy(dest, a->header.addr2);
-
-       if (le16_to_cpu(a->algorithm) != WLAN_AUTH_OPEN)
-               return  WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
-
-       return WLAN_STATUS_SUCCESS;
-}
-
 static short probe_rq_parse(struct rtllib_device *ieee, struct sk_buff *skb,
                            u8 *src)
 {
@@ -1773,23 +1659,6 @@ static short probe_rq_parse(struct rtllib_device *ieee, struct sk_buff *skb,
        return !strncmp(ssid, ieee->current_network.ssid, ssidlen);
 }
 
-static int assoc_rq_parse(struct net_device *dev, struct sk_buff *skb, u8 *dest)
-{
-       struct rtllib_assoc_request_frame *a;
-
-       if (skb->len < (sizeof(struct rtllib_assoc_request_frame) -
-               sizeof(struct rtllib_info_element))) {
-               netdev_dbg(dev, "invalid len in auth request:%d\n", skb->len);
-               return -1;
-       }
-
-       a = (struct rtllib_assoc_request_frame *)skb->data;
-
-       ether_addr_copy(dest, a->header.addr2);
-
-       return 0;
-}
-
 static inline u16 assoc_parse(struct rtllib_device *ieee, struct sk_buff *skb,
                              int *aid)
 {
@@ -1830,31 +1699,6 @@ void rtllib_rx_probe_rq(struct rtllib_device *ieee, struct sk_buff *skb)
        }
 }
 
-static inline void rtllib_rx_auth_rq(struct rtllib_device *ieee,
-                                    struct sk_buff *skb)
-{
-       u8 dest[ETH_ALEN];
-       int status;
-
-       ieee->softmac_stats.rx_auth_rq++;
-
-       status = auth_rq_parse(ieee->dev, skb, dest);
-       if (status != -1)
-               rtllib_resp_to_auth(ieee, status, dest);
-}
-
-static inline void rtllib_rx_assoc_rq(struct rtllib_device *ieee,
-                                     struct sk_buff *skb)
-{
-       u8 dest[ETH_ALEN];
-
-       ieee->softmac_stats.rx_ass_rq++;
-       if (assoc_rq_parse(ieee->dev, skb, dest) != -1)
-               rtllib_resp_to_assoc_rq(ieee, dest);
-
-       netdev_info(ieee->dev, "New client associated: %pM\n", dest);
-}
-
 void rtllib_sta_ps_send_null_frame(struct rtllib_device *ieee, short pwr)
 {
        struct sk_buff *buf = rtllib_null_func(ieee, pwr);
@@ -2419,30 +2263,6 @@ void rtllib_wake_all_queues(struct rtllib_device *ieee)
        netif_tx_wake_all_queues(ieee->dev);
 }
 
-/* called in user context only */
-static void rtllib_start_master_bss(struct rtllib_device *ieee)
-{
-       ieee->assoc_id = 1;
-
-       if (ieee->current_network.ssid_len == 0) {
-               strncpy(ieee->current_network.ssid,
-                       RTLLIB_DEFAULT_TX_ESSID,
-                       IW_ESSID_MAX_SIZE);
-
-               ieee->current_network.ssid_len =
-                                strlen(RTLLIB_DEFAULT_TX_ESSID);
-               ieee->ssid_set = 1;
-       }
-
-       ether_addr_copy(ieee->current_network.bssid, ieee->dev->dev_addr);
-
-       ieee->set_chan(ieee->dev, ieee->current_network.channel);
-       ieee->link_state = MAC80211_LINKED;
-       ieee->link_change(ieee->dev);
-       notify_wx_assoc_event(ieee);
-       netif_carrier_on(ieee->dev);
-}
-
 static void rtllib_start_monitor_mode(struct rtllib_device *ieee)
 {
        /* reset hardware status */