// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2007 - 2011 Realtek Corporation. */

#define _RECV_OSDEP_C_

#include "../include/osdep_service.h"
#include "../include/drv_types.h"

#include "../include/wifi.h"
#include "../include/recv_osdep.h"

#include "../include/osdep_intf.h"
#include "../include/usb_ops.h"

/* init os related resource in struct recv_priv */
int rtw_os_recv_resource_init(struct recv_priv *precvpriv,
                struct adapter *padapter)
{
        return _SUCCESS;
}

/* alloc os related resource in struct recv_frame */
int rtw_os_recv_resource_alloc(struct adapter *padapter,
                struct recv_frame *precvframe)
{
        precvframe->pkt_newalloc = NULL;
        precvframe->pkt = NULL;
        return _SUCCESS;
}

/* free os related resource in struct recv_frame */
void rtw_os_recv_resource_free(struct recv_priv *precvpriv)
{
}

/* alloc os related resource in struct recv_buf */
int rtw_os_recvbuf_resource_alloc(struct adapter *padapter,
                struct recv_buf *precvbuf)
{
        int res = _SUCCESS;

        precvbuf->irp_pending = false;
        precvbuf->purb = usb_alloc_urb(0, GFP_KERNEL);
        if (!precvbuf->purb)
                res = _FAIL;
        precvbuf->pskb = NULL;
        precvbuf->reuse = false;
        precvbuf->pallocated_buf = NULL;
        precvbuf->pbuf = NULL;
        precvbuf->pdata = NULL;
        precvbuf->phead = NULL;
        precvbuf->ptail = NULL;
        precvbuf->pend = NULL;
        precvbuf->transfer_len = 0;
        precvbuf->len = 0;
        return res;
}

/* free os related resource in struct recv_buf */
int rtw_os_recvbuf_resource_free(struct adapter *padapter,
                                 struct recv_buf *precvbuf)
{
        usb_free_urb(precvbuf->purb);
        return _SUCCESS;
}

void rtw_handle_tkip_mic_err(struct adapter *padapter, u8 bgroup)
{
        union iwreq_data wrqu;
        struct iw_michaelmicfailure    ev;
        struct mlme_priv *pmlmepriv  = &padapter->mlmepriv;
        struct security_priv    *psecuritypriv = &padapter->securitypriv;
        u32 cur_time = 0;

        if (psecuritypriv->last_mic_err_time == 0) {
                psecuritypriv->last_mic_err_time = jiffies;
        } else {
                cur_time = jiffies;

                if (cur_time - psecuritypriv->last_mic_err_time < 60 * HZ) {
                        psecuritypriv->btkip_countermeasure = true;
                        psecuritypriv->last_mic_err_time = 0;
                        psecuritypriv->btkip_countermeasure_time = cur_time;
                } else {
                        psecuritypriv->last_mic_err_time = jiffies;
                }
        }

        memset(&ev, 0x00, sizeof(ev));
        if (bgroup)
                ev.flags |= IW_MICFAILURE_GROUP;
        else
                ev.flags |= IW_MICFAILURE_PAIRWISE;

        ev.src_addr.sa_family = ARPHRD_ETHER;
        memcpy(ev.src_addr.sa_data, &pmlmepriv->assoc_bssid[0], ETH_ALEN);
        memset(&wrqu, 0x00, sizeof(wrqu));
        wrqu.data.length = sizeof(ev);
        wireless_send_event(padapter->pnetdev, IWEVMICHAELMICFAILURE,
                            &wrqu, (char *)&ev);
}

void rtw_hostapd_mlme_rx(struct adapter *padapter,
                         struct recv_frame *precv_frame)
{
}

int rtw_recv_indicatepkt(struct adapter *padapter,
                         struct recv_frame *precv_frame)
{
        struct recv_priv *precvpriv;
        struct __queue *pfree_recv_queue;
        struct sk_buff *skb;
        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;

        precvpriv = &padapter->recvpriv;
        pfree_recv_queue = &precvpriv->free_recv_queue;

        skb = precv_frame->pkt;
        if (!skb)
                goto _recv_indicatepkt_drop;

        skb->data = precv_frame->rx_data;

        skb_set_tail_pointer(skb, precv_frame->len);

        skb->len = precv_frame->len;

        if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
                struct sk_buff *pskb2 = NULL;
                struct sta_info *psta = NULL;
                struct sta_priv *pstapriv = &padapter->stapriv;
                struct rx_pkt_attrib *pattrib = &precv_frame->attrib;
                bool bmcast = is_multicast_ether_addr(pattrib->dst);

                if (memcmp(pattrib->dst, myid(&padapter->eeprompriv),
                                 ETH_ALEN)) {
                        if (bmcast) {
                                psta = rtw_get_bcmc_stainfo(padapter);
                                pskb2 = skb_clone(skb, GFP_ATOMIC);
                        } else {
                                psta = rtw_get_stainfo(pstapriv, pattrib->dst);
                        }

                        if (psta) {
                                struct net_device *pnetdev;

                                pnetdev = (struct net_device *)padapter->pnetdev;
                                skb->dev = pnetdev;
                                skb_set_queue_mapping(skb, rtw_recv_select_queue(skb));

                                rtw_xmit_entry(skb, pnetdev);

                                if (bmcast)
                                        skb = pskb2;
                                else
                                        goto _recv_indicatepkt_end;
                        }
                }
        }

        rcu_read_lock();
        rcu_dereference(padapter->pnetdev->rx_handler_data);
        rcu_read_unlock();

        skb->ip_summed = CHECKSUM_NONE;
        skb->dev = padapter->pnetdev;
        skb->protocol = eth_type_trans(skb, padapter->pnetdev);

        netif_rx(skb);

_recv_indicatepkt_end:

        /*  pointers to NULL before rtw_free_recvframe() */
        precv_frame->pkt = NULL;

        rtw_free_recvframe(precv_frame, pfree_recv_queue);

        return _SUCCESS;

_recv_indicatepkt_drop:

         /* enqueue back to free_recv_queue */
                rtw_free_recvframe(precv_frame, pfree_recv_queue);

         return _FAIL;
}

void rtw_os_read_port(struct adapter *padapter, struct recv_buf *precvbuf)
{
        struct recv_priv *precvpriv = &padapter->recvpriv;

        precvbuf->ref_cnt--;
        /* free skb in recv_buf */
        dev_kfree_skb_any(precvbuf->pskb);
        precvbuf->pskb = NULL;
        precvbuf->reuse = false;
        if (!precvbuf->irp_pending)
                rtw_read_port(padapter, precvpriv->ff_hwaddr, 0,
                              (unsigned char *)precvbuf);
}

static void _rtw_reordering_ctrl_timeout_handler(struct timer_list *t)
{
        struct recv_reorder_ctrl *preorder_ctrl;

        preorder_ctrl = from_timer(preorder_ctrl, t, reordering_ctrl_timer);
        rtw_reordering_ctrl_timeout_handler(preorder_ctrl);
}

void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl)
{
        timer_setup(&preorder_ctrl->reordering_ctrl_timer, _rtw_reordering_ctrl_timeout_handler, 0);
}