static int panmac_open(struct inode *inode, struct file *filp)
{
printk(KERN_INFO TAG " open\n");
if( strlen(mac_str_) !=0 ) {
// update mac address from dd parameter.
if( a2m(mac_str_, (unsigned char*)mac_addr_)<0) {
printk(KERN_ERR TAG " invalid mac address %s\n", mac_str_) ;
return -EINVAL;
}
}
dump_mac_addr(mac_addr_) ;
return 0;
}
static ssize_t panmac_write(struct file* filp, const char* buf, size_t count, loff_t* f_ops) {
char user[MAX_MAC_STR_LEN+1];
unsigned char mac_addr[MAX_MAC_LEN];
int max=0;
printk(KERN_INFO TAG " write count=%d\n",count) ;
max = count < MAX_MAC_STR_LEN ? count : MAX_MAC_STR_LEN ;
memset(user, 0, sizeof(user));
if(copy_from_user((void*)user, buf, max)) {
printk(KERN_ERR TAG " failed to copy parameter\n");
return -EFAULT;
}
printk(KERN_INFO TAG " mac from user %s\n", (char*)user) ;
memset(mac_addr, 0, sizeof(mac_addr));
if(a2m(user, mac_addr)<0) {
return -EINVAL ;
}
dump_mac_addr(mac_addr) ;
memcpy(mac_addr_, mac_addr, MAX_MAC_LEN) ;
return max ;
}
/**
* @brief This function processes the received buffer
*
* @param adapter A pointer to mlan_adapter
* @param pmbuf A pointer to the received buffer
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_ops_sta_process_rx_packet(IN t_void * adapter, IN pmlan_buffer pmbuf)
{
pmlan_adapter pmadapter = (pmlan_adapter) adapter;
mlan_status ret = MLAN_STATUS_SUCCESS;
RxPD *prx_pd;
RxPacketHdr_t *prx_pkt;
pmlan_private priv = pmadapter->priv[pmbuf->bss_index];
t_u8 ta[MLAN_MAC_ADDR_LENGTH];
t_u16 rx_pkt_type = 0;
/* wlan_mgmt_pkt *pmgmt_pkt_hdr = MNULL; */
ENTER();
prx_pd = (RxPD *) (pmbuf->pbuf + pmbuf->data_offset);
/* Endian conversion */
endian_convert_RxPD(prx_pd);
rx_pkt_type = prx_pd->rx_pkt_type;
/* Note: We do not have data @ some offset of pbuf. pbuf only has RxPD */
/* prx_pkt = (RxPacketHdr_t *) ((t_u8 *) prx_pd + prx_pd->rx_pkt_offset); */
prx_pkt = (RxPacketHdr_t *) pmbuf->pdesc;
/* wmprintf("%p + %d: O: %d PL: %d DL: %d\n\r", */
/* pmbuf->pbuf, pmbuf->data_offset, */
/* prx_pd->rx_pkt_offset, prx_pd->rx_pkt_length, pmbuf->data_len); */
if ((prx_pd->rx_pkt_offset + prx_pd->rx_pkt_length) >
(t_u16) pmbuf->data_len) {
PRINTM(MERROR,
"Wrong rx packet: len=%d,rx_pkt_offset=%d,"
" rx_pkt_length=%d\n", pmbuf->data_len, prx_pd->rx_pkt_offset,
prx_pd->rx_pkt_length);
pmbuf->status_code = MLAN_ERROR_PKT_SIZE_INVALID;
ret = MLAN_STATUS_FAILURE;
wlan_free_mlan_buffer(pmadapter, pmbuf);
goto done;
}
pmbuf->data_len = prx_pd->rx_pkt_offset + prx_pd->rx_pkt_length;
if (pmadapter->priv[pmbuf->bss_index]->mgmt_frame_passthru_mask &&
prx_pd->rx_pkt_type == PKT_TYPE_MGMT_FRAME) {
/* Check if this is mgmt packet and needs to forwarded to app as an
event */
/* fixme */
wmprintf("Is a management packet expected here?\n\r");
os_enter_critical_section();
while(1){}
#ifndef CONFIG_MLAN_WMSDK
/* Note: We do not have data @ some offset of pbuf. pbuf only has RxPD */
/* pmgmt_pkt_hdr = */
/* (wlan_mgmt_pkt *) ((t_u8 *) prx_pd + prx_pd->rx_pkt_offset); */
pmgmt_pkt_hdr = (wlan_mgmt_pkt *)pmbuf->pdesc;
pmgmt_pkt_hdr->frm_len = wlan_le16_to_cpu(pmgmt_pkt_hdr->frm_len);
if ((pmgmt_pkt_hdr->wlan_header.frm_ctl
& IEEE80211_FC_MGMT_FRAME_TYPE_MASK) == 0)
wlan_process_802dot11_mgmt_pkt(pmadapter->priv[pmbuf->bss_index],
(t_u8 *) & pmgmt_pkt_hdr->
wlan_header,
pmgmt_pkt_hdr->frm_len +
sizeof(wlan_mgmt_pkt)
- sizeof(pmgmt_pkt_hdr->frm_len));
wlan_free_mlan_buffer(pmadapter, pmbuf);
goto done;
#endif /* CONFIG_MLAN_WMSDK */
}
#ifdef DUMP_PACKET_MAC
dump_mac_addr("Own: ", priv->curr_addr);
dump_mac_addr("Dest: ", prx_pkt->eth803_hdr.dest_addr);
#endif /* DUMP_PACKET_MAC */
/*
* If the packet is not an unicast packet then send the packet
* directly to os. Don't pass thru rx reordering
*/
if (!IS_11N_ENABLED(priv) ||
memcmp(priv->adapter, priv->curr_addr, prx_pkt->eth803_hdr.dest_addr,
MLAN_MAC_ADDR_LENGTH)) {
wlan_process_rx_packet(pmadapter, pmbuf);
goto done;
}
if (queuing_ra_based(priv)) {
memcpy(pmadapter, ta, prx_pkt->eth803_hdr.src_addr,
MLAN_MAC_ADDR_LENGTH);
} else {
if ((rx_pkt_type != PKT_TYPE_BAR) && (prx_pd->priority < MAX_NUM_TID))
priv->rx_seq[prx_pd->priority] = prx_pd->seq_num;
memcpy(pmadapter, ta,
priv->curr_bss_params.bss_descriptor.mac_address,
MLAN_MAC_ADDR_LENGTH);
}
/* Reorder and send to OS */
if ((ret = mlan_11n_rxreorder_pkt(priv, prx_pd->seq_num,
prx_pd->priority, ta,
(t_u8) prx_pd->rx_pkt_type,
(void *) pmbuf)) ||
(rx_pkt_type == PKT_TYPE_BAR)
) {
wlan_free_mlan_buffer(pmadapter, pmbuf);
}
done:
LEAVE();
return (ret);
}
