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29#define _RECV_OSDEP_C_
30
31#include "osdep_service.h"
32#include "drv_types.h"
33#include "wifi.h"
34#include "recv_osdep.h"
35#include "osdep_intf.h"
36#include "usb_ops.h"
37
38
39
40int r8712_os_recv_resource_alloc(struct _adapter *padapter,
41 union recv_frame *precvframe)
42{
43 precvframe->u.hdr.pkt_newalloc = precvframe->u.hdr.pkt = NULL;
44 return _SUCCESS;
45}
46
47
48int r8712_os_recvbuf_resource_alloc(struct _adapter *padapter,
49 struct recv_buf *precvbuf)
50{
51 int res = _SUCCESS;
52
53 precvbuf->irp_pending = false;
54 precvbuf->purb = _usb_alloc_urb(0, GFP_KERNEL);
55 if (precvbuf->purb == NULL)
56 res = _FAIL;
57 precvbuf->pskb = NULL;
58 precvbuf->reuse = false;
59 precvbuf->pallocated_buf = NULL;
60 precvbuf->pbuf = NULL;
61 precvbuf->pdata = NULL;
62 precvbuf->phead = NULL;
63 precvbuf->ptail = NULL;
64 precvbuf->pend = NULL;
65 precvbuf->transfer_len = 0;
66 precvbuf->len = 0;
67 return res;
68}
69
70
71int r8712_os_recvbuf_resource_free(struct _adapter *padapter,
72 struct recv_buf *precvbuf)
73{
74 if (precvbuf->pskb)
75 dev_kfree_skb_any(precvbuf->pskb);
76 if (precvbuf->purb) {
77 usb_kill_urb(precvbuf->purb);
78 usb_free_urb(precvbuf->purb);
79 }
80 return _SUCCESS;
81}
82
83void r8712_handle_tkip_mic_err(struct _adapter *padapter, u8 bgroup)
84{
85 union iwreq_data wrqu;
86 struct iw_michaelmicfailure ev;
87 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
88
89 memset(&ev, 0x00, sizeof(ev));
90 if (bgroup)
91 ev.flags |= IW_MICFAILURE_GROUP;
92 else
93 ev.flags |= IW_MICFAILURE_PAIRWISE;
94 ev.src_addr.sa_family = ARPHRD_ETHER;
95 memcpy(ev.src_addr.sa_data, &pmlmepriv->assoc_bssid[0], ETH_ALEN);
96 memset(&wrqu, 0x00, sizeof(wrqu));
97 wrqu.data.length = sizeof(ev);
98 wireless_send_event(padapter->pnetdev, IWEVMICHAELMICFAILURE, &wrqu,
99 (char *)&ev);
100}
101
102void r8712_recv_indicatepkt(struct _adapter *padapter,
103 union recv_frame *precv_frame)
104{
105 struct recv_priv *precvpriv;
106 struct __queue *pfree_recv_queue;
107 _pkt *skb;
108 struct rx_pkt_attrib *pattrib = &precv_frame->u.hdr.attrib;
109
110 precvpriv = &(padapter->recvpriv);
111 pfree_recv_queue = &(precvpriv->free_recv_queue);
112 skb = precv_frame->u.hdr.pkt;
113 if (skb == NULL)
114 goto _recv_indicatepkt_drop;
115 skb->data = precv_frame->u.hdr.rx_data;
116#ifdef NET_SKBUFF_DATA_USES_OFFSET
117 skb->tail = (sk_buff_data_t)(precv_frame->u.hdr.rx_tail -
118 precv_frame->u.hdr.rx_head);
119#else
120 skb->tail = (sk_buff_data_t)precv_frame->u.hdr.rx_tail;
121#endif
122 skb->len = precv_frame->u.hdr.len;
123 if ((pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1))
124 skb->ip_summed = CHECKSUM_UNNECESSARY;
125 else
126 skb->ip_summed = CHECKSUM_NONE;
127 skb->dev = padapter->pnetdev;
128 skb->protocol = eth_type_trans(skb, padapter->pnetdev);
129 netif_rx(skb);
130 precv_frame->u.hdr.pkt = NULL;
131
132 r8712_free_recvframe(precv_frame, pfree_recv_queue);
133 return;
134_recv_indicatepkt_drop:
135
136 if (precv_frame)
137 r8712_free_recvframe(precv_frame, pfree_recv_queue);
138 precvpriv->rx_drop++;
139}
140
141void r8712_os_read_port(struct _adapter *padapter, struct recv_buf *precvbuf)
142{
143 struct recv_priv *precvpriv = &padapter->recvpriv;
144
145 precvbuf->ref_cnt--;
146
147 dev_kfree_skb_any(precvbuf->pskb);
148 precvbuf->pskb = NULL;
149 precvbuf->reuse = false;
150 if (precvbuf->irp_pending == false)
151 r8712_read_port(padapter, precvpriv->ff_hwaddr, 0,
152 (unsigned char *)precvbuf);
153}
154
155static void _r8712_reordering_ctrl_timeout_handler (void *FunctionContext)
156{
157 struct recv_reorder_ctrl *preorder_ctrl =
158 (struct recv_reorder_ctrl *)FunctionContext;
159
160 r8712_reordering_ctrl_timeout_handler(preorder_ctrl);
161}
162
163void r8712_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl)
164{
165 struct _adapter *padapter = preorder_ctrl->padapter;
166
167 _init_timer(&(preorder_ctrl->reordering_ctrl_timer), padapter->pnetdev,
168 _r8712_reordering_ctrl_timeout_handler, preorder_ctrl);
169}
170