| /* |
| ************************************************************************* |
| * Ralink Tech Inc. |
| * 5F., No.36, Taiyuan St., Jhubei City, |
| * Hsinchu County 302, |
| * Taiwan, R.O.C. |
| * |
| * (c) Copyright 2002-2007, Ralink Technology, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify * |
| * it under the terms of the GNU General Public License as published by * |
| * the Free Software Foundation; either version 2 of the License, or * |
| * (at your option) any later version. * |
| * * |
| * This program is distributed in the hope that it will be useful, * |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| * GNU General Public License for more details. * |
| * * |
| * You should have received a copy of the GNU General Public License * |
| * along with this program; if not, write to the * |
| * Free Software Foundation, Inc., * |
| * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
| * * |
| ************************************************************************* |
| */ |
| |
| #include <linux/firmware.h> |
| #include <linux/sched.h> |
| #include <linux/slab.h> |
| #include "rt_config.h" |
| |
| unsigned long RTDebugLevel = RT_DEBUG_ERROR; |
| |
| /* for wireless system event message */ |
| char const *pWirelessSysEventText[IW_SYS_EVENT_TYPE_NUM] = { |
| /* system status event */ |
| "had associated successfully", /* IW_ASSOC_EVENT_FLAG */ |
| "had disassociated", /* IW_DISASSOC_EVENT_FLAG */ |
| "had deauthenticated", /* IW_DEAUTH_EVENT_FLAG */ |
| "had been aged-out and disassociated", /* IW_AGEOUT_EVENT_FLAG */ |
| "occurred CounterMeasures attack", /* IW_COUNTER_MEASURES_EVENT_FLAG */ |
| "occurred replay counter different in Key Handshaking", /* IW_REPLAY_COUNTER_DIFF_EVENT_FLAG */ |
| "occurred RSNIE different in Key Handshaking", /* IW_RSNIE_DIFF_EVENT_FLAG */ |
| "occurred MIC different in Key Handshaking", /* IW_MIC_DIFF_EVENT_FLAG */ |
| "occurred ICV error in RX", /* IW_ICV_ERROR_EVENT_FLAG */ |
| "occurred MIC error in RX", /* IW_MIC_ERROR_EVENT_FLAG */ |
| "Group Key Handshaking timeout", /* IW_GROUP_HS_TIMEOUT_EVENT_FLAG */ |
| "Pairwise Key Handshaking timeout", /* IW_PAIRWISE_HS_TIMEOUT_EVENT_FLAG */ |
| "RSN IE sanity check failure", /* IW_RSNIE_SANITY_FAIL_EVENT_FLAG */ |
| "set key done in WPA/WPAPSK", /* IW_SET_KEY_DONE_WPA1_EVENT_FLAG */ |
| "set key done in WPA2/WPA2PSK", /* IW_SET_KEY_DONE_WPA2_EVENT_FLAG */ |
| "connects with our wireless client", /* IW_STA_LINKUP_EVENT_FLAG */ |
| "disconnects with our wireless client", /* IW_STA_LINKDOWN_EVENT_FLAG */ |
| "scan completed" /* IW_SCAN_COMPLETED_EVENT_FLAG */ |
| "scan terminate! Busy! Enqueue fail!" /* IW_SCAN_ENQUEUE_FAIL_EVENT_FLAG */ |
| }; |
| |
| /* for wireless IDS_spoof_attack event message */ |
| char const *pWirelessSpoofEventText[IW_SPOOF_EVENT_TYPE_NUM] = { |
| "detected conflict SSID", /* IW_CONFLICT_SSID_EVENT_FLAG */ |
| "detected spoofed association response", /* IW_SPOOF_ASSOC_RESP_EVENT_FLAG */ |
| "detected spoofed reassociation responses", /* IW_SPOOF_REASSOC_RESP_EVENT_FLAG */ |
| "detected spoofed probe response", /* IW_SPOOF_PROBE_RESP_EVENT_FLAG */ |
| "detected spoofed beacon", /* IW_SPOOF_BEACON_EVENT_FLAG */ |
| "detected spoofed disassociation", /* IW_SPOOF_DISASSOC_EVENT_FLAG */ |
| "detected spoofed authentication", /* IW_SPOOF_AUTH_EVENT_FLAG */ |
| "detected spoofed deauthentication", /* IW_SPOOF_DEAUTH_EVENT_FLAG */ |
| "detected spoofed unknown management frame", /* IW_SPOOF_UNKNOWN_MGMT_EVENT_FLAG */ |
| "detected replay attack" /* IW_REPLAY_ATTACK_EVENT_FLAG */ |
| }; |
| |
| /* for wireless IDS_flooding_attack event message */ |
| char const *pWirelessFloodEventText[IW_FLOOD_EVENT_TYPE_NUM] = { |
| "detected authentication flooding", /* IW_FLOOD_AUTH_EVENT_FLAG */ |
| "detected association request flooding", /* IW_FLOOD_ASSOC_REQ_EVENT_FLAG */ |
| "detected reassociation request flooding", /* IW_FLOOD_REASSOC_REQ_EVENT_FLAG */ |
| "detected probe request flooding", /* IW_FLOOD_PROBE_REQ_EVENT_FLAG */ |
| "detected disassociation flooding", /* IW_FLOOD_DISASSOC_EVENT_FLAG */ |
| "detected deauthentication flooding", /* IW_FLOOD_DEAUTH_EVENT_FLAG */ |
| "detected 802.1x eap-request flooding" /* IW_FLOOD_EAP_REQ_EVENT_FLAG */ |
| }; |
| |
| /* timeout -- ms */ |
| void RTMP_SetPeriodicTimer(struct timer_list *pTimer, |
| IN unsigned long timeout) |
| { |
| timeout = ((timeout * OS_HZ) / 1000); |
| pTimer->expires = jiffies + timeout; |
| add_timer(pTimer); |
| } |
| |
| /* convert NdisMInitializeTimer --> RTMP_OS_Init_Timer */ |
| void RTMP_OS_Init_Timer(struct rt_rtmp_adapter *pAd, |
| struct timer_list *pTimer, |
| IN TIMER_FUNCTION function, void *data) |
| { |
| init_timer(pTimer); |
| pTimer->data = (unsigned long)data; |
| pTimer->function = function; |
| } |
| |
| void RTMP_OS_Add_Timer(struct timer_list *pTimer, |
| IN unsigned long timeout) |
| { |
| if (timer_pending(pTimer)) |
| return; |
| |
| timeout = ((timeout * OS_HZ) / 1000); |
| pTimer->expires = jiffies + timeout; |
| add_timer(pTimer); |
| } |
| |
| void RTMP_OS_Mod_Timer(struct timer_list *pTimer, |
| IN unsigned long timeout) |
| { |
| timeout = ((timeout * OS_HZ) / 1000); |
| mod_timer(pTimer, jiffies + timeout); |
| } |
| |
| void RTMP_OS_Del_Timer(struct timer_list *pTimer, OUT BOOLEAN *pCancelled) |
| { |
| if (timer_pending(pTimer)) { |
| *pCancelled = del_timer_sync(pTimer); |
| } else { |
| *pCancelled = TRUE; |
| } |
| |
| } |
| |
| void RTMP_OS_Release_Packet(struct rt_rtmp_adapter *pAd, struct rt_queue_entry *pEntry) |
| { |
| /*RTMPFreeNdisPacket(pAd, (struct sk_buff *)pEntry); */ |
| } |
| |
| /* Unify all delay routine by using udelay */ |
| void RTMPusecDelay(unsigned long usec) |
| { |
| unsigned long i; |
| |
| for (i = 0; i < (usec / 50); i++) |
| udelay(50); |
| |
| if (usec % 50) |
| udelay(usec % 50); |
| } |
| |
| void RTMP_GetCurrentSystemTime(LARGE_INTEGER *time) |
| { |
| time->u.LowPart = jiffies; |
| } |
| |
| /* pAd MUST allow to be NULL */ |
| int os_alloc_mem(struct rt_rtmp_adapter *pAd, u8 ** mem, unsigned long size) |
| { |
| *mem = kmalloc(size, GFP_ATOMIC); |
| if (*mem) |
| return NDIS_STATUS_SUCCESS; |
| else |
| return NDIS_STATUS_FAILURE; |
| } |
| |
| /* pAd MUST allow to be NULL */ |
| int os_free_mem(struct rt_rtmp_adapter *pAd, void *mem) |
| { |
| |
| ASSERT(mem); |
| kfree(mem); |
| return NDIS_STATUS_SUCCESS; |
| } |
| |
| void *RtmpOSNetPktAlloc(struct rt_rtmp_adapter *pAd, IN int size) |
| { |
| struct sk_buff *skb; |
| /* Add 2 more bytes for ip header alignment */ |
| skb = dev_alloc_skb(size + 2); |
| |
| return (void *)skb; |
| } |
| |
| void *RTMP_AllocateFragPacketBuffer(struct rt_rtmp_adapter *pAd, |
| unsigned long Length) |
| { |
| struct sk_buff *pkt; |
| |
| pkt = dev_alloc_skb(Length); |
| |
| if (pkt == NULL) { |
| DBGPRINT(RT_DEBUG_ERROR, |
| ("can't allocate frag rx %ld size packet\n", Length)); |
| } |
| |
| if (pkt) { |
| RTMP_SET_PACKET_SOURCE(OSPKT_TO_RTPKT(pkt), PKTSRC_NDIS); |
| } |
| |
| return (void *)pkt; |
| } |
| |
| void *RTMP_AllocateTxPacketBuffer(struct rt_rtmp_adapter *pAd, |
| unsigned long Length, |
| IN BOOLEAN Cached, |
| void **VirtualAddress) |
| { |
| struct sk_buff *pkt; |
| |
| pkt = dev_alloc_skb(Length); |
| |
| if (pkt == NULL) { |
| DBGPRINT(RT_DEBUG_ERROR, |
| ("can't allocate tx %ld size packet\n", Length)); |
| } |
| |
| if (pkt) { |
| RTMP_SET_PACKET_SOURCE(OSPKT_TO_RTPKT(pkt), PKTSRC_NDIS); |
| *VirtualAddress = (void *)pkt->data; |
| } else { |
| *VirtualAddress = (void *)NULL; |
| } |
| |
| return (void *)pkt; |
| } |
| |
| void build_tx_packet(struct rt_rtmp_adapter *pAd, |
| void *pPacket, |
| u8 *pFrame, unsigned long FrameLen) |
| { |
| |
| struct sk_buff *pTxPkt; |
| |
| ASSERT(pPacket); |
| pTxPkt = RTPKT_TO_OSPKT(pPacket); |
| |
| NdisMoveMemory(skb_put(pTxPkt, FrameLen), pFrame, FrameLen); |
| } |
| |
| void RTMPFreeAdapter(struct rt_rtmp_adapter *pAd) |
| { |
| struct os_cookie *os_cookie; |
| int index; |
| |
| os_cookie = (struct os_cookie *)pAd->OS_Cookie; |
| |
| kfree(pAd->BeaconBuf); |
| |
| NdisFreeSpinLock(&pAd->MgmtRingLock); |
| |
| #ifdef RTMP_MAC_PCI |
| NdisFreeSpinLock(&pAd->RxRingLock); |
| #ifdef RT3090 |
| NdisFreeSpinLock(&pAd->McuCmdLock); |
| #endif /* RT3090 // */ |
| #endif /* RTMP_MAC_PCI // */ |
| |
| for (index = 0; index < NUM_OF_TX_RING; index++) { |
| NdisFreeSpinLock(&pAd->TxSwQueueLock[index]); |
| NdisFreeSpinLock(&pAd->DeQueueLock[index]); |
| pAd->DeQueueRunning[index] = FALSE; |
| } |
| |
| NdisFreeSpinLock(&pAd->irq_lock); |
| |
| release_firmware(pAd->firmware); |
| |
| vfree(pAd); /* pci_free_consistent(os_cookie->pci_dev,sizeof(struct rt_rtmp_adapter),pAd,os_cookie->pAd_pa); */ |
| kfree(os_cookie); |
| } |
| |
| BOOLEAN OS_Need_Clone_Packet(void) |
| { |
| return FALSE; |
| } |
| |
| /* |
| ======================================================================== |
| |
| Routine Description: |
| clone an input NDIS PACKET to another one. The new internally created NDIS PACKET |
| must have only one NDIS BUFFER |
| return - byte copied. 0 means can't create NDIS PACKET |
| NOTE: internally created char should be destroyed by RTMPFreeNdisPacket |
| |
| Arguments: |
| pAd Pointer to our adapter |
| pInsAMSDUHdr EWC A-MSDU format has extra 14-bytes header. if TRUE, insert this 14-byte hdr in front of MSDU. |
| *pSrcTotalLen return total packet length. This lenght is calculated with 802.3 format packet. |
| |
| Return Value: |
| NDIS_STATUS_SUCCESS |
| NDIS_STATUS_FAILURE |
| |
| Note: |
| |
| ======================================================================== |
| */ |
| int RTMPCloneNdisPacket(struct rt_rtmp_adapter *pAd, |
| IN BOOLEAN pInsAMSDUHdr, |
| void *pInPacket, |
| void **ppOutPacket) |
| { |
| |
| struct sk_buff *pkt; |
| |
| ASSERT(pInPacket); |
| ASSERT(ppOutPacket); |
| |
| /* 1. Allocate a packet */ |
| pkt = dev_alloc_skb(2048); |
| |
| if (pkt == NULL) { |
| return NDIS_STATUS_FAILURE; |
| } |
| |
| skb_put(pkt, GET_OS_PKT_LEN(pInPacket)); |
| NdisMoveMemory(pkt->data, GET_OS_PKT_DATAPTR(pInPacket), |
| GET_OS_PKT_LEN(pInPacket)); |
| *ppOutPacket = OSPKT_TO_RTPKT(pkt); |
| |
| RTMP_SET_PACKET_SOURCE(OSPKT_TO_RTPKT(pkt), PKTSRC_NDIS); |
| |
| printk(KERN_DEBUG "###Clone###\n"); |
| |
| return NDIS_STATUS_SUCCESS; |
| } |
| |
| /* the allocated NDIS PACKET must be freed via RTMPFreeNdisPacket() */ |
| int RTMPAllocateNdisPacket(struct rt_rtmp_adapter *pAd, |
| void **ppPacket, |
| u8 *pHeader, |
| u32 HeaderLen, |
| u8 *pData, u32 DataLen) |
| { |
| void *pPacket; |
| ASSERT(pData); |
| ASSERT(DataLen); |
| |
| /* 1. Allocate a packet */ |
| pPacket = |
| (void **) dev_alloc_skb(HeaderLen + DataLen + |
| RTMP_PKT_TAIL_PADDING); |
| if (pPacket == NULL) { |
| *ppPacket = NULL; |
| pr_devel("RTMPAllocateNdisPacket Fail\n"); |
| |
| return NDIS_STATUS_FAILURE; |
| } |
| /* 2. clone the frame content */ |
| if (HeaderLen > 0) |
| NdisMoveMemory(GET_OS_PKT_DATAPTR(pPacket), pHeader, HeaderLen); |
| if (DataLen > 0) |
| NdisMoveMemory(GET_OS_PKT_DATAPTR(pPacket) + HeaderLen, pData, |
| DataLen); |
| |
| /* 3. update length of packet */ |
| skb_put(GET_OS_PKT_TYPE(pPacket), HeaderLen + DataLen); |
| |
| RTMP_SET_PACKET_SOURCE(pPacket, PKTSRC_NDIS); |
| /* printk("%s : pPacket = %p, len = %d\n", __func__, pPacket, GET_OS_PKT_LEN(pPacket)); */ |
| *ppPacket = pPacket; |
| return NDIS_STATUS_SUCCESS; |
| } |
| |
| /* |
| ======================================================================== |
| Description: |
| This routine frees a miniport internally allocated char and its |
| corresponding NDIS_BUFFER and allocated memory. |
| ======================================================================== |
| */ |
| void RTMPFreeNdisPacket(struct rt_rtmp_adapter *pAd, void *pPacket) |
| { |
| dev_kfree_skb_any(RTPKT_TO_OSPKT(pPacket)); |
| } |
| |
| /* IRQL = DISPATCH_LEVEL */ |
| /* NOTE: we do have an assumption here, that Byte0 and Byte1 always reasid at the same */ |
| /* scatter gather buffer */ |
| int Sniff2BytesFromNdisBuffer(char *pFirstBuffer, |
| u8 DesiredOffset, |
| u8 *pByte0, u8 *pByte1) |
| { |
| *pByte0 = *(u8 *)(pFirstBuffer + DesiredOffset); |
| *pByte1 = *(u8 *)(pFirstBuffer + DesiredOffset + 1); |
| |
| return NDIS_STATUS_SUCCESS; |
| } |
| |
| void RTMP_QueryPacketInfo(void *pPacket, |
| struct rt_packet_info *pPacketInfo, |
| u8 **pSrcBufVA, u32 * pSrcBufLen) |
| { |
| pPacketInfo->BufferCount = 1; |
| pPacketInfo->pFirstBuffer = (char *)GET_OS_PKT_DATAPTR(pPacket); |
| pPacketInfo->PhysicalBufferCount = 1; |
| pPacketInfo->TotalPacketLength = GET_OS_PKT_LEN(pPacket); |
| |
| *pSrcBufVA = GET_OS_PKT_DATAPTR(pPacket); |
| *pSrcBufLen = GET_OS_PKT_LEN(pPacket); |
| } |
| |
| void RTMP_QueryNextPacketInfo(void **ppPacket, |
| struct rt_packet_info *pPacketInfo, |
| u8 **pSrcBufVA, u32 * pSrcBufLen) |
| { |
| void *pPacket = NULL; |
| |
| if (*ppPacket) |
| pPacket = GET_OS_PKT_NEXT(*ppPacket); |
| |
| if (pPacket) { |
| pPacketInfo->BufferCount = 1; |
| pPacketInfo->pFirstBuffer = |
| (char *)GET_OS_PKT_DATAPTR(pPacket); |
| pPacketInfo->PhysicalBufferCount = 1; |
| pPacketInfo->TotalPacketLength = GET_OS_PKT_LEN(pPacket); |
| |
| *pSrcBufVA = GET_OS_PKT_DATAPTR(pPacket); |
| *pSrcBufLen = GET_OS_PKT_LEN(pPacket); |
| *ppPacket = GET_OS_PKT_NEXT(pPacket); |
| } else { |
| pPacketInfo->BufferCount = 0; |
| pPacketInfo->pFirstBuffer = NULL; |
| pPacketInfo->PhysicalBufferCount = 0; |
| pPacketInfo->TotalPacketLength = 0; |
| |
| *pSrcBufVA = NULL; |
| *pSrcBufLen = 0; |
| *ppPacket = NULL; |
| } |
| } |
| |
| void *DuplicatePacket(struct rt_rtmp_adapter *pAd, |
| void *pPacket, u8 FromWhichBSSID) |
| { |
| struct sk_buff *skb; |
| void *pRetPacket = NULL; |
| u16 DataSize; |
| u8 *pData; |
| |
| DataSize = (u16)GET_OS_PKT_LEN(pPacket); |
| pData = (u8 *)GET_OS_PKT_DATAPTR(pPacket); |
| |
| skb = skb_clone(RTPKT_TO_OSPKT(pPacket), MEM_ALLOC_FLAG); |
| if (skb) { |
| skb->dev = get_netdev_from_bssid(pAd, FromWhichBSSID); |
| pRetPacket = OSPKT_TO_RTPKT(skb); |
| } |
| |
| return pRetPacket; |
| |
| } |
| |
| void *duplicate_pkt(struct rt_rtmp_adapter *pAd, |
| u8 *pHeader802_3, |
| u32 HdrLen, |
| u8 *pData, |
| unsigned long DataSize, u8 FromWhichBSSID) |
| { |
| struct sk_buff *skb; |
| void *pPacket = NULL; |
| |
| skb = __dev_alloc_skb(HdrLen + DataSize + 2, MEM_ALLOC_FLAG); |
| if (skb != NULL) { |
| skb_reserve(skb, 2); |
| NdisMoveMemory(skb_tail_pointer(skb), pHeader802_3, HdrLen); |
| skb_put(skb, HdrLen); |
| NdisMoveMemory(skb_tail_pointer(skb), pData, DataSize); |
| skb_put(skb, DataSize); |
| skb->dev = get_netdev_from_bssid(pAd, FromWhichBSSID); |
| pPacket = OSPKT_TO_RTPKT(skb); |
| } |
| |
| return pPacket; |
| } |
| |
| #define TKIP_TX_MIC_SIZE 8 |
| void *duplicate_pkt_with_TKIP_MIC(struct rt_rtmp_adapter *pAd, |
| void *pPacket) |
| { |
| struct sk_buff *skb, *newskb; |
| |
| skb = RTPKT_TO_OSPKT(pPacket); |
| if (skb_tailroom(skb) < TKIP_TX_MIC_SIZE) { |
| /* alloc a new skb and copy the packet */ |
| newskb = |
| skb_copy_expand(skb, skb_headroom(skb), TKIP_TX_MIC_SIZE, |
| GFP_ATOMIC); |
| dev_kfree_skb_any(skb); |
| if (newskb == NULL) { |
| DBGPRINT(RT_DEBUG_ERROR, |
| ("Extend Tx.MIC for packet failed!, dropping packet!\n")); |
| return NULL; |
| } |
| skb = newskb; |
| } |
| |
| return OSPKT_TO_RTPKT(skb); |
| } |
| |
| void *ClonePacket(struct rt_rtmp_adapter *pAd, |
| void *pPacket, |
| u8 *pData, unsigned long DataSize) |
| { |
| struct sk_buff *pRxPkt; |
| struct sk_buff *pClonedPkt; |
| |
| ASSERT(pPacket); |
| pRxPkt = RTPKT_TO_OSPKT(pPacket); |
| |
| /* clone the packet */ |
| pClonedPkt = skb_clone(pRxPkt, MEM_ALLOC_FLAG); |
| |
| if (pClonedPkt) { |
| /* set the correct dataptr and data len */ |
| pClonedPkt->dev = pRxPkt->dev; |
| pClonedPkt->data = pData; |
| pClonedPkt->len = DataSize; |
| skb_set_tail_pointer(pClonedPkt, DataSize) |
| ASSERT(DataSize < 1530); |
| } |
| return pClonedPkt; |
| } |
| |
| /* */ |
| /* change OS packet DataPtr and DataLen */ |
| /* */ |
| void update_os_packet_info(struct rt_rtmp_adapter *pAd, |
| struct rt_rx_blk *pRxBlk, u8 FromWhichBSSID) |
| { |
| struct sk_buff *pOSPkt; |
| |
| ASSERT(pRxBlk->pRxPacket); |
| pOSPkt = RTPKT_TO_OSPKT(pRxBlk->pRxPacket); |
| |
| pOSPkt->dev = get_netdev_from_bssid(pAd, FromWhichBSSID); |
| pOSPkt->data = pRxBlk->pData; |
| pOSPkt->len = pRxBlk->DataSize; |
| skb_set_tail_pointer(pOSPkt, pOSPkt->len); |
| } |
| |
| void wlan_802_11_to_802_3_packet(struct rt_rtmp_adapter *pAd, |
| struct rt_rx_blk *pRxBlk, |
| u8 *pHeader802_3, |
| u8 FromWhichBSSID) |
| { |
| struct sk_buff *pOSPkt; |
| |
| ASSERT(pRxBlk->pRxPacket); |
| ASSERT(pHeader802_3); |
| |
| pOSPkt = RTPKT_TO_OSPKT(pRxBlk->pRxPacket); |
| |
| pOSPkt->dev = get_netdev_from_bssid(pAd, FromWhichBSSID); |
| pOSPkt->data = pRxBlk->pData; |
| pOSPkt->len = pRxBlk->DataSize; |
| skb_set_tail_pointer(pOSPkt, pOSPkt->len); |
| |
| /* */ |
| /* copy 802.3 header */ |
| /* */ |
| /* */ |
| |
| NdisMoveMemory(skb_push(pOSPkt, LENGTH_802_3), pHeader802_3, |
| LENGTH_802_3); |
| } |
| |
| void announce_802_3_packet(struct rt_rtmp_adapter *pAd, void *pPacket) |
| { |
| |
| struct sk_buff *pRxPkt; |
| |
| ASSERT(pPacket); |
| |
| pRxPkt = RTPKT_TO_OSPKT(pPacket); |
| |
| /* Push up the protocol stack */ |
| pRxPkt->protocol = eth_type_trans(pRxPkt, pRxPkt->dev); |
| |
| netif_rx(pRxPkt); |
| } |
| |
| struct rt_rtmp_sg_list * |
| rt_get_sg_list_from_packet(void *pPacket, struct rt_rtmp_sg_list *sg) |
| { |
| sg->NumberOfElements = 1; |
| sg->Elements[0].Address = GET_OS_PKT_DATAPTR(pPacket); |
| sg->Elements[0].Length = GET_OS_PKT_LEN(pPacket); |
| return sg; |
| } |
| |
| void hex_dump(char *str, unsigned char *pSrcBufVA, unsigned int SrcBufLen) |
| { |
| unsigned char *pt; |
| int x; |
| |
| if (RTDebugLevel < RT_DEBUG_TRACE) |
| return; |
| |
| pt = pSrcBufVA; |
| printk(KERN_DEBUG "%s: %p, len = %d\n", str, pSrcBufVA, SrcBufLen); |
| for (x = 0; x < SrcBufLen; x++) { |
| if (x % 16 == 0) |
| printk(KERN_DEBUG "0x%04x : ", x); |
| printk(KERN_DEBUG "%02x ", ((unsigned char)pt[x])); |
| if (x % 16 == 15) |
| printk(KERN_DEBUG "\n"); |
| } |
| printk(KERN_DEBUG "\n"); |
| } |
| |
| /* |
| ======================================================================== |
| |
| Routine Description: |
| Send log message through wireless event |
| |
| Support standard iw_event with IWEVCUSTOM. It is used below. |
| |
| iwreq_data.data.flags is used to store event_flag that is defined by user. |
| iwreq_data.data.length is the length of the event log. |
| |
| The format of the event log is composed of the entry's MAC address and |
| the desired log message (refer to pWirelessEventText). |
| |
| ex: 11:22:33:44:55:66 has associated successfully |
| |
| p.s. The requirement of Wireless Extension is v15 or newer. |
| |
| ======================================================================== |
| */ |
| void RTMPSendWirelessEvent(struct rt_rtmp_adapter *pAd, |
| u16 Event_flag, |
| u8 *pAddr, u8 BssIdx, char Rssi) |
| { |
| |
| /*union iwreq_data wrqu; */ |
| char *pBuf = NULL, *pBufPtr = NULL; |
| u16 event, type, BufLen; |
| u8 event_table_len = 0; |
| |
| type = Event_flag & 0xFF00; |
| event = Event_flag & 0x00FF; |
| |
| switch (type) { |
| case IW_SYS_EVENT_FLAG_START: |
| event_table_len = IW_SYS_EVENT_TYPE_NUM; |
| break; |
| |
| case IW_SPOOF_EVENT_FLAG_START: |
| event_table_len = IW_SPOOF_EVENT_TYPE_NUM; |
| break; |
| |
| case IW_FLOOD_EVENT_FLAG_START: |
| event_table_len = IW_FLOOD_EVENT_TYPE_NUM; |
| break; |
| } |
| |
| if (event_table_len == 0) { |
| DBGPRINT(RT_DEBUG_ERROR, |
| ("%s : The type(%0x02x) is not valid.\n", __func__, |
| type)); |
| return; |
| } |
| |
| if (event >= event_table_len) { |
| DBGPRINT(RT_DEBUG_ERROR, |
| ("%s : The event(%0x02x) is not valid.\n", __func__, |
| event)); |
| return; |
| } |
| /*Allocate memory and copy the msg. */ |
| pBuf = kmalloc(IW_CUSTOM_MAX_LEN, GFP_ATOMIC); |
| if (pBuf != NULL) { |
| /*Prepare the payload */ |
| memset(pBuf, 0, IW_CUSTOM_MAX_LEN); |
| |
| pBufPtr = pBuf; |
| |
| if (pAddr) |
| pBufPtr += |
| sprintf(pBufPtr, "(RT2860) STA(%pM) ", pAddr); |
| else if (BssIdx < MAX_MBSSID_NUM) |
| pBufPtr += |
| sprintf(pBufPtr, "(RT2860) BSS(wlan%d) ", BssIdx); |
| else |
| pBufPtr += sprintf(pBufPtr, "(RT2860) "); |
| |
| if (type == IW_SYS_EVENT_FLAG_START) |
| pBufPtr += |
| sprintf(pBufPtr, "%s", |
| pWirelessSysEventText[event]); |
| else if (type == IW_SPOOF_EVENT_FLAG_START) |
| pBufPtr += |
| sprintf(pBufPtr, "%s (RSSI=%d)", |
| pWirelessSpoofEventText[event], Rssi); |
| else if (type == IW_FLOOD_EVENT_FLAG_START) |
| pBufPtr += |
| sprintf(pBufPtr, "%s", |
| pWirelessFloodEventText[event]); |
| else |
| pBufPtr += sprintf(pBufPtr, "%s", "unknown event"); |
| |
| pBufPtr[pBufPtr - pBuf] = '\0'; |
| BufLen = pBufPtr - pBuf; |
| |
| RtmpOSWrielessEventSend(pAd, IWEVCUSTOM, Event_flag, NULL, |
| (u8 *)pBuf, BufLen); |
| /*DBGPRINT(RT_DEBUG_TRACE, ("%s : %s\n", __func__, pBuf)); */ |
| |
| kfree(pBuf); |
| } else |
| DBGPRINT(RT_DEBUG_ERROR, |
| ("%s : Can't allocate memory for wireless event.\n", |
| __func__)); |
| } |
| |
| void send_monitor_packets(struct rt_rtmp_adapter *pAd, struct rt_rx_blk *pRxBlk) |
| { |
| struct sk_buff *pOSPkt; |
| struct rt_wlan_ng_prism2_header *ph; |
| int rate_index = 0; |
| u16 header_len = 0; |
| u8 temp_header[40] = { 0 }; |
| |
| u_int32_t ralinkrate[256] = { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108, 109, 110, 111, 112, 13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78, 104, 156, 208, 234, 260, 27, 54, 81, 108, 162, 216, 243, 270, /* Last 38 */ |
| 54, 108, 162, 216, 324, 432, 486, 540, 14, 29, 43, 57, 87, 115, |
| 130, 144, 29, 59, 87, 115, 173, 230, 260, 288, 30, 60, 90, |
| 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, |
| 600, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, |
| 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, |
| 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, |
| 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, |
| 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, |
| 72, 73, 74, 75, 76, 77, 78, 79, 80 |
| }; |
| |
| ASSERT(pRxBlk->pRxPacket); |
| if (pRxBlk->DataSize < 10) { |
| DBGPRINT(RT_DEBUG_ERROR, |
| ("%s : Size is too small! (%d)\n", __func__, |
| pRxBlk->DataSize)); |
| goto err_free_sk_buff; |
| } |
| |
| if (pRxBlk->DataSize + sizeof(struct rt_wlan_ng_prism2_header) > |
| RX_BUFFER_AGGRESIZE) { |
| DBGPRINT(RT_DEBUG_ERROR, |
| ("%s : Size is too large! (%zu)\n", __func__, |
| pRxBlk->DataSize + sizeof(struct rt_wlan_ng_prism2_header))); |
| goto err_free_sk_buff; |
| } |
| |
| pOSPkt = RTPKT_TO_OSPKT(pRxBlk->pRxPacket); |
| pOSPkt->dev = get_netdev_from_bssid(pAd, BSS0); |
| if (pRxBlk->pHeader->FC.Type == BTYPE_DATA) { |
| pRxBlk->DataSize -= LENGTH_802_11; |
| if ((pRxBlk->pHeader->FC.ToDs == 1) && |
| (pRxBlk->pHeader->FC.FrDs == 1)) |
| header_len = LENGTH_802_11_WITH_ADDR4; |
| else |
| header_len = LENGTH_802_11; |
| |
| /* QOS */ |
| if (pRxBlk->pHeader->FC.SubType & 0x08) { |
| header_len += 2; |
| /* Data skip QOS control field */ |
| pRxBlk->DataSize -= 2; |
| } |
| /* Order bit: A-Ralink or HTC+ */ |
| if (pRxBlk->pHeader->FC.Order) { |
| header_len += 4; |
| /* Data skip HTC control field */ |
| pRxBlk->DataSize -= 4; |
| } |
| /* Copy Header */ |
| if (header_len <= 40) |
| NdisMoveMemory(temp_header, pRxBlk->pData, header_len); |
| |
| /* skip HW padding */ |
| if (pRxBlk->RxD.L2PAD) |
| pRxBlk->pData += (header_len + 2); |
| else |
| pRxBlk->pData += header_len; |
| } /*end if */ |
| |
| if (pRxBlk->DataSize < pOSPkt->len) { |
| skb_trim(pOSPkt, pRxBlk->DataSize); |
| } else { |
| skb_put(pOSPkt, (pRxBlk->DataSize - pOSPkt->len)); |
| } /*end if */ |
| |
| if ((pRxBlk->pData - pOSPkt->data) > 0) { |
| skb_put(pOSPkt, (pRxBlk->pData - pOSPkt->data)); |
| skb_pull(pOSPkt, (pRxBlk->pData - pOSPkt->data)); |
| } /*end if */ |
| |
| if (skb_headroom(pOSPkt) < (sizeof(struct rt_wlan_ng_prism2_header) + header_len)) { |
| if (pskb_expand_head |
| (pOSPkt, (sizeof(struct rt_wlan_ng_prism2_header) + header_len), 0, |
| GFP_ATOMIC)) { |
| DBGPRINT(RT_DEBUG_ERROR, |
| ("%s : Reallocate header size of sk_buff fail!\n", |
| __func__)); |
| goto err_free_sk_buff; |
| } /*end if */ |
| } /*end if */ |
| |
| if (header_len > 0) |
| NdisMoveMemory(skb_push(pOSPkt, header_len), temp_header, |
| header_len); |
| |
| ph = (struct rt_wlan_ng_prism2_header *)skb_push(pOSPkt, |
| sizeof(struct rt_wlan_ng_prism2_header)); |
| NdisZeroMemory(ph, sizeof(struct rt_wlan_ng_prism2_header)); |
| |
| ph->msgcode = DIDmsg_lnxind_wlansniffrm; |
| ph->msglen = sizeof(struct rt_wlan_ng_prism2_header); |
| strcpy((char *)ph->devname, (char *)pAd->net_dev->name); |
| |
| ph->hosttime.did = DIDmsg_lnxind_wlansniffrm_hosttime; |
| ph->hosttime.status = 0; |
| ph->hosttime.len = 4; |
| ph->hosttime.data = jiffies; |
| |
| ph->mactime.did = DIDmsg_lnxind_wlansniffrm_mactime; |
| ph->mactime.status = 0; |
| ph->mactime.len = 0; |
| ph->mactime.data = 0; |
| |
| ph->istx.did = DIDmsg_lnxind_wlansniffrm_istx; |
| ph->istx.status = 0; |
| ph->istx.len = 0; |
| ph->istx.data = 0; |
| |
| ph->channel.did = DIDmsg_lnxind_wlansniffrm_channel; |
| ph->channel.status = 0; |
| ph->channel.len = 4; |
| |
| ph->channel.data = (u_int32_t) pAd->CommonCfg.Channel; |
| |
| ph->rssi.did = DIDmsg_lnxind_wlansniffrm_rssi; |
| ph->rssi.status = 0; |
| ph->rssi.len = 4; |
| ph->rssi.data = |
| (u_int32_t) RTMPMaxRssi(pAd, |
| ConvertToRssi(pAd, pRxBlk->pRxWI->RSSI0, |
| RSSI_0), ConvertToRssi(pAd, |
| pRxBlk-> |
| pRxWI-> |
| RSSI1, |
| RSSI_1), |
| ConvertToRssi(pAd, pRxBlk->pRxWI->RSSI2, |
| RSSI_2)); |
| |
| ph->signal.did = DIDmsg_lnxind_wlansniffrm_signal; |
| ph->signal.status = 0; |
| ph->signal.len = 4; |
| ph->signal.data = 0; /*rssi + noise; */ |
| |
| ph->noise.did = DIDmsg_lnxind_wlansniffrm_noise; |
| ph->noise.status = 0; |
| ph->noise.len = 4; |
| ph->noise.data = 0; |
| |
| if (pRxBlk->pRxWI->PHYMODE >= MODE_HTMIX) { |
| rate_index = |
| 16 + ((u8)pRxBlk->pRxWI->BW * 16) + |
| ((u8)pRxBlk->pRxWI->ShortGI * 32) + |
| ((u8)pRxBlk->pRxWI->MCS); |
| } else if (pRxBlk->pRxWI->PHYMODE == MODE_OFDM) |
| rate_index = (u8)(pRxBlk->pRxWI->MCS) + 4; |
| else |
| rate_index = (u8)(pRxBlk->pRxWI->MCS); |
| if (rate_index < 0) |
| rate_index = 0; |
| if (rate_index > 255) |
| rate_index = 255; |
| |
| ph->rate.did = DIDmsg_lnxind_wlansniffrm_rate; |
| ph->rate.status = 0; |
| ph->rate.len = 4; |
| ph->rate.data = ralinkrate[rate_index]; |
| |
| ph->frmlen.did = DIDmsg_lnxind_wlansniffrm_frmlen; |
| ph->frmlen.status = 0; |
| ph->frmlen.len = 4; |
| ph->frmlen.data = (u_int32_t) pRxBlk->DataSize; |
| |
| pOSPkt->pkt_type = PACKET_OTHERHOST; |
| pOSPkt->protocol = eth_type_trans(pOSPkt, pOSPkt->dev); |
| pOSPkt->ip_summed = CHECKSUM_NONE; |
| netif_rx(pOSPkt); |
| |
| return; |
| |
| err_free_sk_buff: |
| RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE); |
| return; |
| |
| } |
| |
| /******************************************************************************* |
| |
| Device IRQ related functions. |
| |
| *******************************************************************************/ |
| int RtmpOSIRQRequest(struct net_device *pNetDev) |
| { |
| #ifdef RTMP_PCI_SUPPORT |
| struct net_device *net_dev = pNetDev; |
| struct rt_rtmp_adapter *pAd = NULL; |
| int retval = 0; |
| |
| GET_PAD_FROM_NET_DEV(pAd, pNetDev); |
| |
| ASSERT(pAd); |
| |
| if (pAd->infType == RTMP_DEV_INF_PCI) { |
| struct os_cookie *_pObj = (struct os_cookie *)(pAd->OS_Cookie); |
| RTMP_MSI_ENABLE(pAd); |
| retval = |
| request_irq(_pObj->pci_dev->irq, rt2860_interrupt, SA_SHIRQ, |
| (net_dev)->name, (net_dev)); |
| if (retval != 0) |
| printk(KERN_ERR "rt2860: request_irq ERROR(%d)\n", retval); |
| } |
| |
| return retval; |
| #else |
| return 0; |
| #endif |
| } |
| |
| int RtmpOSIRQRelease(struct net_device *pNetDev) |
| { |
| struct net_device *net_dev = pNetDev; |
| struct rt_rtmp_adapter *pAd = NULL; |
| |
| GET_PAD_FROM_NET_DEV(pAd, net_dev); |
| |
| ASSERT(pAd); |
| |
| #ifdef RTMP_PCI_SUPPORT |
| if (pAd->infType == RTMP_DEV_INF_PCI) { |
| struct os_cookie *pObj = (struct os_cookie *)(pAd->OS_Cookie); |
| synchronize_irq(pObj->pci_dev->irq); |
| free_irq(pObj->pci_dev->irq, (net_dev)); |
| RTMP_MSI_DISABLE(pAd); |
| } |
| #endif /* RTMP_PCI_SUPPORT // */ |
| |
| return 0; |
| } |
| |
| /******************************************************************************* |
| |
| File open/close related functions. |
| |
| *******************************************************************************/ |
| struct file *RtmpOSFileOpen(char *pPath, int flag, int mode) |
| { |
| struct file *filePtr; |
| |
| filePtr = filp_open(pPath, flag, 0); |
| if (IS_ERR(filePtr)) { |
| DBGPRINT(RT_DEBUG_ERROR, |
| ("%s(): Error %ld opening %s\n", __func__, |
| -PTR_ERR(filePtr), pPath)); |
| } |
| |
| return (struct file *)filePtr; |
| } |
| |
| int RtmpOSFileClose(struct file *osfd) |
| { |
| filp_close(osfd, NULL); |
| return 0; |
| } |
| |
| void RtmpOSFileSeek(struct file *osfd, int offset) |
| { |
| osfd->f_pos = offset; |
| } |
| |
| int RtmpOSFileRead(struct file *osfd, char *pDataPtr, int readLen) |
| { |
| /* The object must have a read method */ |
| if (osfd->f_op && osfd->f_op->read) { |
| return osfd->f_op->read(osfd, pDataPtr, readLen, &osfd->f_pos); |
| } else { |
| DBGPRINT(RT_DEBUG_ERROR, ("no file read method\n")); |
| return -1; |
| } |
| } |
| |
| int RtmpOSFileWrite(struct file *osfd, char *pDataPtr, int writeLen) |
| { |
| return osfd->f_op->write(osfd, pDataPtr, (size_t) writeLen, |
| &osfd->f_pos); |
| } |
| |
| /******************************************************************************* |
| |
| Task create/management/kill related functions. |
| |
| *******************************************************************************/ |
| int RtmpOSTaskKill(struct rt_rtmp_os_task *pTask) |
| { |
| struct rt_rtmp_adapter *pAd; |
| int ret = NDIS_STATUS_FAILURE; |
| |
| pAd = pTask->priv; |
| |
| #ifdef KTHREAD_SUPPORT |
| if (pTask->kthread_task) { |
| kthread_stop(pTask->kthread_task); |
| ret = NDIS_STATUS_SUCCESS; |
| } |
| #else |
| CHECK_PID_LEGALITY(pTask->taskPID) { |
| printk(KERN_INFO "Terminate the task(%s) with pid(%d)!\n", |
| pTask->taskName, GET_PID_NUMBER(pTask->taskPID)); |
| mb(); |
| pTask->task_killed = 1; |
| mb(); |
| ret = KILL_THREAD_PID(pTask->taskPID, SIGTERM, 1); |
| if (ret) { |
| printk(KERN_WARNING |
| "kill task(%s) with pid(%d) failed(retVal=%d)!\n", |
| pTask->taskName, GET_PID_NUMBER(pTask->taskPID), |
| ret); |
| } else { |
| wait_for_completion(&pTask->taskComplete); |
| pTask->taskPID = THREAD_PID_INIT_VALUE; |
| pTask->task_killed = 0; |
| ret = NDIS_STATUS_SUCCESS; |
| } |
| } |
| #endif |
| |
| return ret; |
| |
| } |
| |
| int RtmpOSTaskNotifyToExit(struct rt_rtmp_os_task *pTask) |
| { |
| |
| #ifndef KTHREAD_SUPPORT |
| complete_and_exit(&pTask->taskComplete, 0); |
| #endif |
| |
| return 0; |
| } |
| |
| void RtmpOSTaskCustomize(struct rt_rtmp_os_task *pTask) |
| { |
| |
| #ifndef KTHREAD_SUPPORT |
| |
| daemonize((char *)&pTask->taskName[0] /*"%s",pAd->net_dev->name */); |
| |
| allow_signal(SIGTERM); |
| allow_signal(SIGKILL); |
| current->flags |= PF_NOFREEZE; |
| |
| /* signal that we've started the thread */ |
| complete(&pTask->taskComplete); |
| |
| #endif |
| } |
| |
| int RtmpOSTaskAttach(struct rt_rtmp_os_task *pTask, |
| IN int (*fn) (void *), IN void *arg) |
| { |
| int status = NDIS_STATUS_SUCCESS; |
| |
| #ifdef KTHREAD_SUPPORT |
| pTask->task_killed = 0; |
| pTask->kthread_task = NULL; |
| pTask->kthread_task = kthread_run(fn, arg, pTask->taskName); |
| if (IS_ERR(pTask->kthread_task)) |
| status = NDIS_STATUS_FAILURE; |
| #else |
| pid_number = kernel_thread(fn, arg, RTMP_OS_MGMT_TASK_FLAGS); |
| if (pid_number < 0) { |
| DBGPRINT(RT_DEBUG_ERROR, |
| ("Attach task(%s) failed!\n", pTask->taskName)); |
| status = NDIS_STATUS_FAILURE; |
| } else { |
| pTask->taskPID = GET_PID(pid_number); |
| |
| /* Wait for the thread to start */ |
| wait_for_completion(&pTask->taskComplete); |
| status = NDIS_STATUS_SUCCESS; |
| } |
| #endif |
| return status; |
| } |
| |
| int RtmpOSTaskInit(struct rt_rtmp_os_task *pTask, |
| char *pTaskName, void * pPriv) |
| { |
| int len; |
| |
| ASSERT(pTask); |
| |
| #ifndef KTHREAD_SUPPORT |
| NdisZeroMemory((u8 *)(pTask), sizeof(struct rt_rtmp_os_task)); |
| #endif |
| |
| len = strlen(pTaskName); |
| len = |
| len > |
| (RTMP_OS_TASK_NAME_LEN - 1) ? (RTMP_OS_TASK_NAME_LEN - 1) : len; |
| NdisMoveMemory(&pTask->taskName[0], pTaskName, len); |
| pTask->priv = pPriv; |
| |
| #ifndef KTHREAD_SUPPORT |
| RTMP_SEM_EVENT_INIT_LOCKED(&(pTask->taskSema)); |
| pTask->taskPID = THREAD_PID_INIT_VALUE; |
| |
| init_completion(&pTask->taskComplete); |
| #endif |
| |
| return NDIS_STATUS_SUCCESS; |
| } |
| |
| void RTMP_IndicateMediaState(struct rt_rtmp_adapter *pAd) |
| { |
| if (pAd->CommonCfg.bWirelessEvent) { |
| if (pAd->IndicateMediaState == NdisMediaStateConnected) { |
| RTMPSendWirelessEvent(pAd, IW_STA_LINKUP_EVENT_FLAG, |
| pAd->MacTab.Content[BSSID_WCID]. |
| Addr, BSS0, 0); |
| } else { |
| RTMPSendWirelessEvent(pAd, IW_STA_LINKDOWN_EVENT_FLAG, |
| pAd->MacTab.Content[BSSID_WCID]. |
| Addr, BSS0, 0); |
| } |
| } |
| } |
| |
| int RtmpOSWrielessEventSend(struct rt_rtmp_adapter *pAd, |
| u32 eventType, |
| int flags, |
| u8 *pSrcMac, |
| u8 *pData, u32 dataLen) |
| { |
| union iwreq_data wrqu; |
| |
| memset(&wrqu, 0, sizeof(wrqu)); |
| |
| if (flags > -1) |
| wrqu.data.flags = flags; |
| |
| if (pSrcMac) |
| memcpy(wrqu.ap_addr.sa_data, pSrcMac, MAC_ADDR_LEN); |
| |
| if ((pData != NULL) && (dataLen > 0)) |
| wrqu.data.length = dataLen; |
| |
| wireless_send_event(pAd->net_dev, eventType, &wrqu, (char *)pData); |
| return 0; |
| } |
| |
| int RtmpOSNetDevAddrSet(struct net_device *pNetDev, u8 *pMacAddr) |
| { |
| struct net_device *net_dev; |
| struct rt_rtmp_adapter *pAd; |
| |
| net_dev = pNetDev; |
| GET_PAD_FROM_NET_DEV(pAd, net_dev); |
| |
| /* work-around for SuSE, due to them having their own interface name management system. */ |
| { |
| NdisZeroMemory(pAd->StaCfg.dev_name, 16); |
| NdisMoveMemory(pAd->StaCfg.dev_name, net_dev->name, |
| strlen(net_dev->name)); |
| } |
| |
| NdisMoveMemory(net_dev->dev_addr, pMacAddr, 6); |
| |
| return 0; |
| } |
| |
| /* |
| * Assign the network dev name for created Ralink WiFi interface. |
| */ |
| static int RtmpOSNetDevRequestName(struct rt_rtmp_adapter *pAd, |
| struct net_device *dev, |
| char *pPrefixStr, int devIdx) |
| { |
| struct net_device *existNetDev; |
| char suffixName[IFNAMSIZ]; |
| char desiredName[IFNAMSIZ]; |
| int ifNameIdx, prefixLen, slotNameLen; |
| int Status; |
| |
| prefixLen = strlen(pPrefixStr); |
| ASSERT((prefixLen < IFNAMSIZ)); |
| |
| for (ifNameIdx = devIdx; ifNameIdx < 32; ifNameIdx++) { |
| memset(suffixName, 0, IFNAMSIZ); |
| memset(desiredName, 0, IFNAMSIZ); |
| strncpy(&desiredName[0], pPrefixStr, prefixLen); |
| |
| sprintf(suffixName, "%d", ifNameIdx); |
| |
| slotNameLen = strlen(suffixName); |
| ASSERT(((slotNameLen + prefixLen) < IFNAMSIZ)); |
| strcat(desiredName, suffixName); |
| |
| existNetDev = RtmpOSNetDevGetByName(dev, &desiredName[0]); |
| if (existNetDev == NULL) |
| break; |
| else |
| RtmpOSNetDeviceRefPut(existNetDev); |
| } |
| |
| if (ifNameIdx < 32) { |
| strcpy(&dev->name[0], &desiredName[0]); |
| Status = NDIS_STATUS_SUCCESS; |
| } else { |
| DBGPRINT(RT_DEBUG_ERROR, |
| ("Cannot request DevName with preifx(%s) and in range(0~32) as suffix from OS!\n", |
| pPrefixStr)); |
| Status = NDIS_STATUS_FAILURE; |
| } |
| |
| return Status; |
| } |
| |
| void RtmpOSNetDevClose(struct net_device *pNetDev) |
| { |
| dev_close(pNetDev); |
| } |
| |
| void RtmpOSNetDevFree(struct net_device *pNetDev) |
| { |
| ASSERT(pNetDev); |
| |
| free_netdev(pNetDev); |
| } |
| |
| int RtmpOSNetDevAlloc(struct net_device **new_dev_p, u32 privDataSize) |
| { |
| /* assign it as null first. */ |
| *new_dev_p = NULL; |
| |
| DBGPRINT(RT_DEBUG_TRACE, |
| ("Allocate a net device with private data size=%d!\n", |
| privDataSize)); |
| *new_dev_p = alloc_etherdev(privDataSize); |
| if (*new_dev_p) |
| return NDIS_STATUS_SUCCESS; |
| else |
| return NDIS_STATUS_FAILURE; |
| } |
| |
| struct net_device *RtmpOSNetDevGetByName(struct net_device *pNetDev, char *pDevName) |
| { |
| struct net_device *pTargetNetDev = NULL; |
| |
| pTargetNetDev = dev_get_by_name(dev_net(pNetDev), pDevName); |
| |
| return pTargetNetDev; |
| } |
| |
| void RtmpOSNetDeviceRefPut(struct net_device *pNetDev) |
| { |
| /* |
| every time dev_get_by_name is called, and it has returned a valid struct |
| net_device*, dev_put should be called afterwards, because otherwise the |
| machine hangs when the device is unregistered (since dev->refcnt > 1). |
| */ |
| if (pNetDev) |
| dev_put(pNetDev); |
| } |
| |
| int RtmpOSNetDevDestory(struct rt_rtmp_adapter *pAd, struct net_device *pNetDev) |
| { |
| |
| /* TODO: Need to fix this */ |
| printk("WARNING: This function(%s) not implement yet!\n", __func__); |
| return 0; |
| } |
| |
| void RtmpOSNetDevDetach(struct net_device *pNetDev) |
| { |
| unregister_netdev(pNetDev); |
| } |
| |
| int RtmpOSNetDevAttach(struct net_device *pNetDev, |
| struct rt_rtmp_os_netdev_op_hook *pDevOpHook) |
| { |
| int ret, rtnl_locked = FALSE; |
| |
| DBGPRINT(RT_DEBUG_TRACE, ("RtmpOSNetDevAttach()--->\n")); |
| /* If we need hook some callback function to the net device structure, now do it. */ |
| if (pDevOpHook) { |
| struct rt_rtmp_adapter *pAd = NULL; |
| |
| GET_PAD_FROM_NET_DEV(pAd, pNetDev); |
| |
| pNetDev->netdev_ops = pDevOpHook->netdev_ops; |
| |
| /* OS specific flags, here we used to indicate if we are virtual interface */ |
| pNetDev->priv_flags = pDevOpHook->priv_flags; |
| |
| if (pAd->OpMode == OPMODE_STA) |
| pNetDev->wireless_handlers = &rt28xx_iw_handler_def; |
| |
| /* copy the net device mac address to the net_device structure. */ |
| NdisMoveMemory(pNetDev->dev_addr, &pDevOpHook->devAddr[0], |
| MAC_ADDR_LEN); |
| |
| rtnl_locked = pDevOpHook->needProtcted; |
| } |
| |
| if (rtnl_locked) |
| ret = register_netdevice(pNetDev); |
| else |
| ret = register_netdev(pNetDev); |
| |
| DBGPRINT(RT_DEBUG_TRACE, ("<---RtmpOSNetDevAttach(), ret=%d\n", ret)); |
| if (ret == 0) |
| return NDIS_STATUS_SUCCESS; |
| else |
| return NDIS_STATUS_FAILURE; |
| } |
| |
| struct net_device *RtmpOSNetDevCreate(struct rt_rtmp_adapter *pAd, |
| int devType, |
| int devNum, |
| int privMemSize, char *pNamePrefix) |
| { |
| struct net_device *pNetDev = NULL; |
| int status; |
| |
| /* allocate a new network device */ |
| status = RtmpOSNetDevAlloc(&pNetDev, 0 /*privMemSize */); |
| if (status != NDIS_STATUS_SUCCESS) { |
| /* allocation fail, exit */ |
| DBGPRINT(RT_DEBUG_ERROR, |
| ("Allocate network device fail (%s)...\n", |
| pNamePrefix)); |
| return NULL; |
| } |
| |
| /* find an available interface name, max 32 interfaces */ |
| status = RtmpOSNetDevRequestName(pAd, pNetDev, pNamePrefix, devNum); |
| if (status != NDIS_STATUS_SUCCESS) { |
| /* error! no available ra name can be used! */ |
| DBGPRINT(RT_DEBUG_ERROR, |
| ("Assign interface name (%s with suffix 0~32) failed...\n", |
| pNamePrefix)); |
| RtmpOSNetDevFree(pNetDev); |
| |
| return NULL; |
| } else { |
| DBGPRINT(RT_DEBUG_TRACE, |
| ("The name of the new %s interface is %s...\n", |
| pNamePrefix, pNetDev->name)); |
| } |
| |
| return pNetDev; |
| } |