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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
*
* Contact Information: wlanfae <wlanfae@realtek.com>
*/
#include "rtl_core.h"
#include "r8192E_hw.h"
#include "r8192E_cmdpkt.h"
bool rtl92e_send_cmd_pkt(struct net_device *dev, u32 type, const void *data,
u32 len)
{
bool rt_status = true;
struct r8192_priv *priv = rtllib_priv(dev);
u16 frag_length = 0, frag_offset = 0;
struct sk_buff *skb;
unsigned char *seg_ptr;
struct cb_desc *tcb_desc;
u8 bLastIniPkt;
struct tx_fwinfo_8190pci *pTxFwInfo = NULL;
do {
if ((len - frag_offset) > CMDPACKET_FRAG_SIZE) {
frag_length = CMDPACKET_FRAG_SIZE;
bLastIniPkt = 0;
} else {
frag_length = (u16)(len - frag_offset);
bLastIniPkt = 1;
}
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) {
rt_status = false;
goto Failed;
}
memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tcb_desc->queue_index = TXCMD_QUEUE;
tcb_desc->bCmdOrInit = type;
tcb_desc->bLastIniPkt = bLastIniPkt;
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 = frag_length;
}
skb_put_data(skb, data, frag_length);
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;
} while (frag_offset < len);
rtl92e_writeb(dev, TPPoll, TPPoll_CQ);
Failed:
return rt_status;
}
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