staging: rtl8192e: cmd_pkt: Handle INIT packets

Add support for DESC_PACKET_TYPE_INIT to rtl92e_send_cmd_pkt().
With this generalization, _rtl92e_fw_download_code() may be removed
after slight modification.

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_cmdpkt.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_cmdpkt.c
index 3de1b25..f9003a2 100644 (file)
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_cmdpkt.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_cmdpkt.c
@@ -43,8 +43,11 @@ bool rtl92e_send_cmd_pkt(struct net_device *dev, u32 type, const void *data,
                        bLastIniPkt = 1;
                }
 
-               skb  = dev_alloc_skb(frag_length +
-                                    priv->rtllib->tx_headroom + 4);
+               if (type == DESC_PACKET_TYPE_NORMAL)
+                       skb = dev_alloc_skb(frag_length +
+                                           priv->rtllib->tx_headroom + 4);
+               else
+                       skb = dev_alloc_skb(frag_length + 4);
 
                if (skb == NULL) {
                        rt_status = false;
@@ -56,17 +59,30 @@ bool rtl92e_send_cmd_pkt(struct net_device *dev, u32 type, const void *data,
                tcb_desc->queue_index = TXCMD_QUEUE;
                tcb_desc->bCmdOrInit = type;
                tcb_desc->bLastIniPkt = bLastIniPkt;
-               tcb_desc->pkt_size = frag_length;
 
-               seg_ptr = skb_put(skb, priv->rtllib->tx_headroom);
-               pTxFwInfo = (struct tx_fwinfo_8190pci *)seg_ptr;
-               memset(pTxFwInfo, 0, sizeof(struct tx_fwinfo_8190pci));
-               memset(pTxFwInfo, 0x12, 8);
+               if (type == DESC_PACKET_TYPE_NORMAL) {
+                       tcb_desc->pkt_size = frag_length;
+
+                       seg_ptr = skb_put(skb, priv->rtllib->tx_headroom);
+                       pTxFwInfo = (struct tx_fwinfo_8190pci *)seg_ptr;
+                       memset(pTxFwInfo, 0, sizeof(struct tx_fwinfo_8190pci));
+                       memset(pTxFwInfo, 0x12, 8);
+               } else {
+                       tcb_desc->txbuf_size = (u16)frag_length;
+               }
 
                seg_ptr = skb_put(skb, frag_length);
                memcpy(seg_ptr, data, (u32)frag_length);
 
-               priv->rtllib->softmac_hard_start_xmit(skb, dev);
+               if (type == DESC_PACKET_TYPE_INIT &&
+                   (!priv->rtllib->check_nic_enough_desc(dev, TXCMD_QUEUE) ||
+                    (!skb_queue_empty(&priv->rtllib->skb_waitQ[TXCMD_QUEUE])) ||
+                    (priv->rtllib->queue_stop))) {
+                       skb_queue_tail(&priv->rtllib->skb_waitQ[TXCMD_QUEUE],
+                                      skb);
+               } else {
+                       priv->rtllib->softmac_hard_start_xmit(skb, dev);
+               }
 
                data += frag_length;
                frag_offset += frag_length;