Loading drivers/staging/rtl8192e/rtllib_tx.c +258 −246 Original line number Diff line number Diff line Loading @@ -49,7 +49,7 @@ #include <linux/version.h> #include <linux/wireless.h> #include <linux/etherdevice.h> #include <asm/uaccess.h> #include <linux/uaccess.h> #include <linux/if_vlan.h> #include "rtllib.h" Loading Loading @@ -177,9 +177,7 @@ inline int rtllib_put_snap(u8 *data, u16 h_proto) return SNAP_SIZE + sizeof(u16); } int rtllib_encrypt_fragment( struct rtllib_device *ieee, struct sk_buff *frag, int rtllib_encrypt_fragment(struct rtllib_device *ieee, struct sk_buff *frag, int hdr_len) { struct rtllib_crypt_data *crypt = NULL; Loading @@ -187,9 +185,8 @@ int rtllib_encrypt_fragment( crypt = ieee->crypt[ieee->tx_keyidx]; if (!(crypt && crypt->ops)) { printk("=========>%s(), crypt is null\n", __func__); if (!(crypt && crypt->ops)) { printk(KERN_INFO "=========>%s(), crypt is null\n", __func__); return -1; } /* To encrypt, frame format is: Loading @@ -216,7 +213,8 @@ int rtllib_encrypt_fragment( } void rtllib_txb_free(struct rtllib_txb *txb) { void rtllib_txb_free(struct rtllib_txb *txb) { if (unlikely(!txb)) return; kfree(txb); Loading @@ -227,8 +225,7 @@ struct rtllib_txb *rtllib_alloc_txb(int nr_frags, int txb_size, { struct rtllib_txb *txb; int i; txb = kmalloc( sizeof(struct rtllib_txb) + (sizeof(u8*) * nr_frags), txb = kmalloc(sizeof(struct rtllib_txb) + (sizeof(u8 *) * nr_frags), gfp_mask); if (!txb) return NULL; Loading Loading @@ -286,7 +283,8 @@ rtllib_classify(struct sk_buff *skb, u8 bIsAmsdu) } } void rtllib_tx_query_agg_cap(struct rtllib_device* ieee, struct sk_buff* skb, struct cb_desc * tcb_desc) void rtllib_tx_query_agg_cap(struct rtllib_device *ieee, struct sk_buff *skb, struct cb_desc *tcb_desc) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; struct tx_ts_record *pTxTs = NULL; Loading @@ -299,7 +297,8 @@ void rtllib_tx_query_agg_cap(struct rtllib_device* ieee, struct sk_buff* skb, st return; if (!IsQoSDataFrame(skb->data)) return; if (is_multicast_ether_addr(hdr->addr1) || is_broadcast_ether_addr(hdr->addr1)) if (is_multicast_ether_addr(hdr->addr1) || is_broadcast_ether_addr(hdr->addr1)) return; if (tcb_desc->bdhcp || ieee->CntAfterLink < 2) Loading @@ -311,12 +310,14 @@ void rtllib_tx_query_agg_cap(struct rtllib_device* ieee, struct sk_buff* skb, st if (!ieee->GetNmodeSupportBySecCfg(ieee->dev)) return; if (pHTInfo->bCurrentAMPDUEnable) { if (!GetTs(ieee, (struct ts_common_info **)(&pTxTs), hdr->addr1, skb->priority, TX_DIR, true)){ printk("%s: can't get TS\n", __func__); if (!GetTs(ieee, (struct ts_common_info **)(&pTxTs), hdr->addr1, skb->priority, TX_DIR, true)) { printk(KERN_INFO "%s: can't get TS\n", __func__); return; } if (pTxTs->TxAdmittedBARecord.bValid == false) { if (ieee->wpa_ie_len && (ieee->pairwise_key_type == KEY_TYPE_NA)) { if (ieee->wpa_ie_len && (ieee->pairwise_key_type == KEY_TYPE_NA)) { ; } else if (tcb_desc->bdhcp == 1) { ; Loading @@ -325,7 +326,8 @@ void rtllib_tx_query_agg_cap(struct rtllib_device* ieee, struct sk_buff* skb, st } goto FORCED_AGG_SETTING; } else if (pTxTs->bUsingBa == false) { if (SN_LESS(pTxTs->TxAdmittedBARecord.BaStartSeqCtrl.field.SeqNum, (pTxTs->TxCurSeq+1)%4096)) if (SN_LESS(pTxTs->TxAdmittedBARecord.BaStartSeqCtrl.field.SeqNum, (pTxTs->TxCurSeq+1)%4096)) pTxTs->bUsingBa = true; else goto FORCED_AGG_SETTING; Loading @@ -352,27 +354,24 @@ void rtllib_tx_query_agg_cap(struct rtllib_device* ieee, struct sk_buff* skb, st tcb_desc->ampdu_density = 0; tcb_desc->ampdu_factor = 0; break; } return; } extern void rtllib_qurey_ShortPreambleMode(struct rtllib_device* ieee, struct cb_desc * tcb_desc) extern void rtllib_qurey_ShortPreambleMode(struct rtllib_device *ieee, struct cb_desc *tcb_desc) { tcb_desc->bUseShortPreamble = false; if (tcb_desc->data_rate == 2) { return; } else if (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_PREAMBLE) { else if (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_PREAMBLE) tcb_desc->bUseShortPreamble = true; } return; } extern void rtllib_query_HTCapShortGI(struct rtllib_device *ieee, struct cb_desc *tcb_desc) extern void rtllib_query_HTCapShortGI(struct rtllib_device *ieee, struct cb_desc *tcb_desc) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; Loading @@ -381,8 +380,7 @@ rtllib_query_HTCapShortGI(struct rtllib_device *ieee, struct cb_desc *tcb_desc) if (!pHTInfo->bCurrentHTSupport || !pHTInfo->bEnableHT) return; if (pHTInfo->bForcedShortGI) { if (pHTInfo->bForcedShortGI) { tcb_desc->bUseShortGI = true; return; } Loading @@ -393,7 +391,8 @@ rtllib_query_HTCapShortGI(struct rtllib_device *ieee, struct cb_desc *tcb_desc) tcb_desc->bUseShortGI = true; } void rtllib_query_BandwidthMode(struct rtllib_device* ieee, struct cb_desc *tcb_desc) void rtllib_query_BandwidthMode(struct rtllib_device *ieee, struct cb_desc *tcb_desc) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; Loading @@ -407,12 +406,14 @@ void rtllib_query_BandwidthMode(struct rtllib_device* ieee, struct cb_desc *tcb_ if ((tcb_desc->data_rate & 0x80) == 0) return; if (pHTInfo->bCurBW40MHz && pHTInfo->bCurTxBW40MHz && !ieee->bandwidth_auto_switch.bforced_tx20Mhz) if (pHTInfo->bCurBW40MHz && pHTInfo->bCurTxBW40MHz && !ieee->bandwidth_auto_switch.bforced_tx20Mhz) tcb_desc->bPacketBW = true; return; } void rtllib_query_protectionmode(struct rtllib_device* ieee, struct cb_desc * tcb_desc, struct sk_buff* skb) void rtllib_query_protectionmode(struct rtllib_device *ieee, struct cb_desc *tcb_desc, struct sk_buff *skb) { tcb_desc->bRTSSTBC = false; tcb_desc->bRTSUseShortGI = false; Loading @@ -426,65 +427,52 @@ void rtllib_query_protectionmode(struct rtllib_device* ieee, struct cb_desc * tc if (is_broadcast_ether_addr(skb->data+16)) return; if (ieee->mode < IEEE_N_24G) { if (skb->len > ieee->rts) { if (ieee->mode < IEEE_N_24G) { if (skb->len > ieee->rts) { tcb_desc->bRTSEnable = true; tcb_desc->rts_rate = MGN_24M; } else if (ieee->current_network.buseprotection) { } else if (ieee->current_network.buseprotection) { tcb_desc->bRTSEnable = true; tcb_desc->bCTSEnable = true; tcb_desc->rts_rate = MGN_24M; } return; } else { } else { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; while (true) { if (pHTInfo->IOTAction & HT_IOT_ACT_FORCED_CTS2SELF) { while (true) { if (pHTInfo->IOTAction & HT_IOT_ACT_FORCED_CTS2SELF) { tcb_desc->bCTSEnable = true; tcb_desc->rts_rate = MGN_24M; tcb_desc->bRTSEnable = true; break; } else if (pHTInfo->IOTAction & (HT_IOT_ACT_FORCED_RTS|HT_IOT_ACT_PURE_N_MODE)) { } else if (pHTInfo->IOTAction & (HT_IOT_ACT_FORCED_RTS | HT_IOT_ACT_PURE_N_MODE)) { tcb_desc->bRTSEnable = true; tcb_desc->rts_rate = MGN_24M; break; } if (ieee->current_network.buseprotection) { if (ieee->current_network.buseprotection) { tcb_desc->bRTSEnable = true; tcb_desc->bCTSEnable = true; tcb_desc->rts_rate = MGN_24M; break; } if (pHTInfo->bCurrentHTSupport && pHTInfo->bEnableHT) { if (pHTInfo->bCurrentHTSupport && pHTInfo->bEnableHT) { u8 HTOpMode = pHTInfo->CurrentOpMode; if ((pHTInfo->bCurBW40MHz && (HTOpMode == 2 || HTOpMode == 3)) || (!pHTInfo->bCurBW40MHz && HTOpMode == 3) ) { if ((pHTInfo->bCurBW40MHz && (HTOpMode == 2 || HTOpMode == 3)) || (!pHTInfo->bCurBW40MHz && HTOpMode == 3)) { tcb_desc->rts_rate = MGN_24M; tcb_desc->bRTSEnable = true; break; } } if (skb->len > ieee->rts) { if (skb->len > ieee->rts) { tcb_desc->rts_rate = MGN_24M; tcb_desc->bRTSEnable = true; break; } if (tcb_desc->bAMPDUEnable) { if (tcb_desc->bAMPDUEnable) { tcb_desc->rts_rate = MGN_24M; tcb_desc->bRTSEnable = false; break; Loading @@ -492,12 +480,6 @@ void rtllib_query_protectionmode(struct rtllib_device* ieee, struct cb_desc * tc goto NO_PROTECTION; } } if ( 0 ) { tcb_desc->bCTSEnable = true; tcb_desc->rts_rate = MGN_24M; tcb_desc->bRTSEnable = true; } if (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_PREAMBLE) tcb_desc->bUseShortPreamble = true; if (ieee->iw_mode == IW_MODE_MASTER) Loading @@ -512,33 +494,34 @@ void rtllib_query_protectionmode(struct rtllib_device* ieee, struct cb_desc * tc } void rtllib_txrate_selectmode(struct rtllib_device* ieee, struct cb_desc * tcb_desc) void rtllib_txrate_selectmode(struct rtllib_device *ieee, struct cb_desc *tcb_desc) { if (ieee->bTxDisableRateFallBack) tcb_desc->bTxDisableRateFallBack = true; if (ieee->bTxUseDriverAssingedRate) tcb_desc->bTxUseDriverAssingedRate = true; if (!tcb_desc->bTxDisableRateFallBack || !tcb_desc->bTxUseDriverAssingedRate) { if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) if (!tcb_desc->bTxDisableRateFallBack || !tcb_desc->bTxUseDriverAssingedRate) { if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) tcb_desc->RATRIndex = 0; } } u16 rtllib_query_seqnum(struct rtllib_device*ieee, struct sk_buff* skb, u8* dst) u16 rtllib_query_seqnum(struct rtllib_device *ieee, struct sk_buff *skb, u8 *dst) { u16 seqnum = 0; if (is_multicast_ether_addr(dst) || is_broadcast_ether_addr(dst)) return 0; if (IsQoSDataFrame(skb->data)) { if (IsQoSDataFrame(skb->data)) { struct tx_ts_record *pTS = NULL; if (!GetTs(ieee, (struct ts_common_info **)(&pTS), dst, skb->priority, TX_DIR, true)) { if (!GetTs(ieee, (struct ts_common_info **)(&pTS), dst, skb->priority, TX_DIR, true)) return 0; } seqnum = pTS->TxCurSeq; pTS->TxCurSeq = (pTS->TxCurSeq+1)%4096; return seqnum; Loading Loading @@ -568,7 +551,8 @@ static int wme_downgrade_ac(struct sk_buff *skb) int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) { struct rtllib_device *ieee = (struct rtllib_device *)netdev_priv_rsl(dev); struct rtllib_device *ieee = (struct rtllib_device *) netdev_priv_rsl(dev); struct rtllib_txb *txb = NULL; struct rtllib_hdr_3addrqos *frag_hdr; int i, bytes_per_frag, nr_frags, bytes_last_frag, frag_size; Loading @@ -588,14 +572,16 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) struct cb_desc *tcb_desc; u8 bIsMulticast = false; u8 IsAmsdu = false; bool bdhcp = false; spin_lock_irqsave(&ieee->lock, flags); /* If there is no driver handler to take the TXB, dont' bother * creating it... */ if ((!ieee->hard_start_xmit && !(ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE))|| ((!ieee->softmac_data_hard_start_xmit && (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)))) { if ((!ieee->hard_start_xmit && !(ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)) || ((!ieee->softmac_data_hard_start_xmit && (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)))) { printk(KERN_WARNING "%s: No xmit handler.\n", ieee->dev->name); goto success; Loading @@ -615,39 +601,46 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) memset(skb->cb, 0, sizeof(skb->cb)); ether_type = ntohs(((struct ethhdr *)skb->data)->h_proto); if (ieee->iw_mode == IW_MODE_MONITOR) { if (ieee->iw_mode == IW_MODE_MONITOR) { txb = rtllib_alloc_txb(1, skb->len, GFP_ATOMIC); if (unlikely(!txb)) { printk(KERN_WARNING "%s: Could not allocate TXB\n", printk(KERN_WARNING "%s: Could not allocate " "TXB\n", ieee->dev->name); goto failed; } txb->encrypted = 0; txb->payload_size = skb->len; memcpy(skb_put(txb->fragments[0],skb->len), skb->data, skb->len); memcpy(skb_put(txb->fragments[0], skb->len), skb->data, skb->len); goto success; } if (skb->len > 282) { if (ETH_P_IP == ether_type) { const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data+14); const struct iphdr *ip = (struct iphdr *) ((u8 *)skb->data+14); if (IPPROTO_UDP == ip->protocol) { struct udphdr *udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2)); if (((((u8 *)udp)[1] == 68) && (((u8 *)udp)[3] == 67)) || ((((u8 *)udp)[1] == 67) && (((u8 *)udp)[3] == 68))) { struct udphdr *udp; udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2)); if (((((u8 *)udp)[1] == 68) && (((u8 *)udp)[3] == 67)) || ((((u8 *)udp)[1] == 67) && (((u8 *)udp)[3] == 68))) { bdhcp = true; ieee->LPSDelayCnt = 200; } } } else if (ETH_P_ARP == ether_type) { printk("=================>DHCP Protocol start tx ARP pkt!!\n"); printk(KERN_INFO "=================>DHCP " "Protocol start tx ARP pkt!!\n"); bdhcp = true; ieee->LPSDelayCnt = ieee->current_network.tim.tim_count; ieee->LPSDelayCnt = ieee->current_network.tim.tim_count; } } Loading @@ -662,7 +655,8 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) } if (crypt && !encrypt && ether_type == ETH_P_PAE) { struct eapol *eap = (struct eapol *)(skb->data + sizeof(struct ethhdr) - SNAP_SIZE - sizeof(u16)); sizeof(struct ethhdr) - SNAP_SIZE - sizeof(u16)); RTLLIB_DEBUG_EAP("TX: IEEE 802.11 EAPOL frame: %s\n", eap_get_type(eap->type)); } Loading @@ -687,10 +681,12 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) fc |= RTLLIB_FCTL_TODS; /* To DS: Addr1 = BSSID, Addr2 = SA, Addr3 = DA */ memcpy(&header.addr1, ieee->current_network.bssid, ETH_ALEN); memcpy(&header.addr1, ieee->current_network.bssid, ETH_ALEN); memcpy(&header.addr2, &src, ETH_ALEN); if (IsAmsdu) memcpy(&header.addr3, ieee->current_network.bssid, ETH_ALEN); memcpy(&header.addr3, ieee->current_network.bssid, ETH_ALEN); else memcpy(&header.addr3, &dest, ETH_ALEN); } else if (ieee->iw_mode == IW_MODE_ADHOC) { Loading @@ -698,10 +694,12 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) Addr3 = BSSID */ memcpy(&header.addr1, dest, ETH_ALEN); memcpy(&header.addr2, src, ETH_ALEN); memcpy(&header.addr3, ieee->current_network.bssid, ETH_ALEN); memcpy(&header.addr3, ieee->current_network.bssid, ETH_ALEN); } bIsMulticast = is_broadcast_ether_addr(header.addr1) ||is_multicast_ether_addr(header.addr1); bIsMulticast = is_broadcast_ether_addr(header.addr1) || is_multicast_ether_addr(header.addr1); header.frame_ctl = cpu_to_le16(fc); Loading @@ -720,11 +718,11 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) /* in case we are a client verify acm is not set for this ac */ while (unlikely(ieee->wmm_acm & (0x01 << skb->priority))) { printk("skb->priority = %x\n", skb->priority); if (wme_downgrade_ac(skb)) { printk(KERN_INFO "skb->priority = %x\n", skb->priority); if (wme_downgrade_ac(skb)) break; } printk("converted skb->priority = %x\n", skb->priority); printk(KERN_INFO "converted skb->priority = %x\n", skb->priority); } qos_ctl |= skb->priority; header.qos_ctl = cpu_to_le16(qos_ctl & RTLLIB_QOS_TID); Loading @@ -733,14 +731,15 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) } /* Determine amount of payload per fragment. Regardless of if * this stack is providing the full 802.11 header, one will * eventually be affixed to this fragment -- so we must account for * it when determining the amount of payload space. */ * eventually be affixed to this fragment -- so we must account * for it when determining the amount of payload space. */ bytes_per_frag = frag_size - hdr_len; if (ieee->config & (CFG_RTLLIB_COMPUTE_FCS | CFG_RTLLIB_RESERVE_FCS)) bytes_per_frag -= RTLLIB_FCS_LEN; /* Each fragment may need to have room for encryptiong pre/postfix */ /* Each fragment may need to have room for encryptiong * pre/postfix */ if (encrypt) { bytes_per_frag -= crypt->ops->extra_prefix_len + crypt->ops->extra_postfix_len; Loading @@ -754,10 +753,11 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) else bytes_last_frag = bytes_per_frag; /* When we allocate the TXB we allocate enough space for the reserve * and full fragment bytes (bytes_per_frag doesn't include prefix, * postfix, header, FCS, etc.) */ txb = rtllib_alloc_txb(nr_frags, frag_size + ieee->tx_headroom, GFP_ATOMIC); /* When we allocate the TXB we allocate enough space for the * reserve and full fragment bytes (bytes_per_frag doesn't * include prefix, postfix, header, FCS, etc.) */ txb = rtllib_alloc_txb(nr_frags, frag_size + ieee->tx_headroom, GFP_ATOMIC); if (unlikely(!txb)) { printk(KERN_WARNING "%s: Could not allocate TXB\n", ieee->dev->name); Loading @@ -767,15 +767,14 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) txb->payload_size = bytes; if (qos_actived) { txb->queue_index = UP2AC(skb->priority); } else { txb->queue_index = WME_AC_BE;; } else txb->queue_index = WME_AC_BE; for (i = 0; i < nr_frags; i++) { skb_frag = txb->fragments[i]; tcb_desc = (struct cb_desc *)(skb_frag->cb + MAX_DEV_ADDR_SIZE); tcb_desc = (struct cb_desc *)(skb_frag->cb + MAX_DEV_ADDR_SIZE); if (qos_actived) { skb_frag->priority = skb->priority; tcb_desc->queue_index = UP2AC(skb->priority); Loading @@ -790,36 +789,41 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) tcb_desc->bHwSec = 1; else tcb_desc->bHwSec = 0; skb_reserve(skb_frag, crypt->ops->extra_prefix_len); skb_reserve(skb_frag, crypt->ops->extra_prefix_len); } else { tcb_desc->bHwSec = 0; } frag_hdr = (struct rtllib_hdr_3addrqos *)skb_put(skb_frag, hdr_len); frag_hdr = (struct rtllib_hdr_3addrqos *) skb_put(skb_frag, hdr_len); memcpy(frag_hdr, &header, hdr_len); /* If this is not the last fragment, then add the MOREFRAGS * bit to the frame control */ /* If this is not the last fragment, then add the * MOREFRAGS bit to the frame control */ if (i != nr_frags - 1) { frag_hdr->frame_ctl = cpu_to_le16( fc | RTLLIB_FCTL_MOREFRAGS); bytes = bytes_per_frag; } else { /* The last fragment takes the remaining length */ /* The last fragment has the remaining length */ bytes = bytes_last_frag; } if ((qos_actived) && (!bIsMulticast)) { frag_hdr->seq_ctl = rtllib_query_seqnum(ieee, skb_frag, header.addr1); frag_hdr->seq_ctl = cpu_to_le16(frag_hdr->seq_ctl<<4 | i); if ((qos_actived) && (!bIsMulticast)) { frag_hdr->seq_ctl = rtllib_query_seqnum(ieee, skb_frag, header.addr1); frag_hdr->seq_ctl = cpu_to_le16(frag_hdr->seq_ctl<<4 | i); } else { frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0]<<4 | i); frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0]<<4 | i); } /* Put a SNAP header on the first fragment */ if (i == 0) { rtllib_put_snap( skb_put(skb_frag, SNAP_SIZE + sizeof(u16)), ether_type); skb_put(skb_frag, SNAP_SIZE + sizeof(u16)), ether_type); bytes -= SNAP_SIZE + sizeof(u16); } Loading @@ -828,10 +832,12 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) /* Advance the SKB... */ skb_pull(skb, bytes); /* Encryption routine will move the header forward in order * to insert the IV between the header and the payload */ /* Encryption routine will move the header forward in * order to insert the IV between the header and the * payload */ if (encrypt) rtllib_encrypt_fragment(ieee, skb_frag, hdr_len); rtllib_encrypt_fragment(ieee, skb_frag, hdr_len); if (ieee->config & (CFG_RTLLIB_COMPUTE_FCS | CFG_RTLLIB_RESERVE_FCS)) skb_put(skb_frag, 4); Loading Loading @@ -864,20 +870,22 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) txb->encrypted = 0; txb->payload_size = skb->len; memcpy(skb_put(txb->fragments[0],skb->len), skb->data, skb->len); memcpy(skb_put(txb->fragments[0], skb->len), skb->data, skb->len); } success: if (txb) { struct cb_desc *tcb_desc = (struct cb_desc *)(txb->fragments[0]->cb + MAX_DEV_ADDR_SIZE); if (txb) { struct cb_desc *tcb_desc = (struct cb_desc *) (txb->fragments[0]->cb + MAX_DEV_ADDR_SIZE); tcb_desc->bTxEnableFwCalcDur = 1; tcb_desc->priority = skb->priority; if (ether_type == ETH_P_PAE) { if (ieee->pHTInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom) { tcb_desc->data_rate = MgntQuery_TxRateExcludeCCKRates(ieee); if (ieee->pHTInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom) { tcb_desc->data_rate = MgntQuery_TxRateExcludeCCKRates(ieee); tcb_desc->bTxDisableRateFallBack = false; } else { tcb_desc->data_rate = ieee->basic_rate; Loading @@ -896,12 +904,14 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) if (tcb_desc->bMulticast || tcb_desc->bBroadcast) tcb_desc->data_rate = ieee->basic_rate; else tcb_desc->data_rate = CURRENT_RATE(ieee->mode, ieee->rate, ieee->HTCurrentOperaRate); tcb_desc->data_rate = CURRENT_RATE(ieee->mode, ieee->rate, ieee->HTCurrentOperaRate); if (bdhcp == true) { if (ieee->pHTInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom) { tcb_desc->data_rate = MgntQuery_TxRateExcludeCCKRates(ieee); if (ieee->pHTInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom) { tcb_desc->data_rate = MgntQuery_TxRateExcludeCCKRates(ieee); tcb_desc->bTxDisableRateFallBack = false; } else { tcb_desc->data_rate = MGN_1M; Loading @@ -915,10 +925,12 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) } rtllib_qurey_ShortPreambleMode(ieee, tcb_desc); rtllib_tx_query_agg_cap(ieee, txb->fragments[0], tcb_desc); rtllib_tx_query_agg_cap(ieee, txb->fragments[0], tcb_desc); rtllib_query_HTCapShortGI(ieee, tcb_desc); rtllib_query_BandwidthMode(ieee, tcb_desc); rtllib_query_protectionmode(ieee, tcb_desc, txb->fragments[0]); rtllib_query_protectionmode(ieee, tcb_desc, txb->fragments[0]); } } spin_unlock_irqrestore(&ieee->lock, flags); Loading Loading
drivers/staging/rtl8192e/rtllib_tx.c +258 −246 Original line number Diff line number Diff line Loading @@ -49,7 +49,7 @@ #include <linux/version.h> #include <linux/wireless.h> #include <linux/etherdevice.h> #include <asm/uaccess.h> #include <linux/uaccess.h> #include <linux/if_vlan.h> #include "rtllib.h" Loading Loading @@ -177,9 +177,7 @@ inline int rtllib_put_snap(u8 *data, u16 h_proto) return SNAP_SIZE + sizeof(u16); } int rtllib_encrypt_fragment( struct rtllib_device *ieee, struct sk_buff *frag, int rtllib_encrypt_fragment(struct rtllib_device *ieee, struct sk_buff *frag, int hdr_len) { struct rtllib_crypt_data *crypt = NULL; Loading @@ -187,9 +185,8 @@ int rtllib_encrypt_fragment( crypt = ieee->crypt[ieee->tx_keyidx]; if (!(crypt && crypt->ops)) { printk("=========>%s(), crypt is null\n", __func__); if (!(crypt && crypt->ops)) { printk(KERN_INFO "=========>%s(), crypt is null\n", __func__); return -1; } /* To encrypt, frame format is: Loading @@ -216,7 +213,8 @@ int rtllib_encrypt_fragment( } void rtllib_txb_free(struct rtllib_txb *txb) { void rtllib_txb_free(struct rtllib_txb *txb) { if (unlikely(!txb)) return; kfree(txb); Loading @@ -227,8 +225,7 @@ struct rtllib_txb *rtllib_alloc_txb(int nr_frags, int txb_size, { struct rtllib_txb *txb; int i; txb = kmalloc( sizeof(struct rtllib_txb) + (sizeof(u8*) * nr_frags), txb = kmalloc(sizeof(struct rtllib_txb) + (sizeof(u8 *) * nr_frags), gfp_mask); if (!txb) return NULL; Loading Loading @@ -286,7 +283,8 @@ rtllib_classify(struct sk_buff *skb, u8 bIsAmsdu) } } void rtllib_tx_query_agg_cap(struct rtllib_device* ieee, struct sk_buff* skb, struct cb_desc * tcb_desc) void rtllib_tx_query_agg_cap(struct rtllib_device *ieee, struct sk_buff *skb, struct cb_desc *tcb_desc) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; struct tx_ts_record *pTxTs = NULL; Loading @@ -299,7 +297,8 @@ void rtllib_tx_query_agg_cap(struct rtllib_device* ieee, struct sk_buff* skb, st return; if (!IsQoSDataFrame(skb->data)) return; if (is_multicast_ether_addr(hdr->addr1) || is_broadcast_ether_addr(hdr->addr1)) if (is_multicast_ether_addr(hdr->addr1) || is_broadcast_ether_addr(hdr->addr1)) return; if (tcb_desc->bdhcp || ieee->CntAfterLink < 2) Loading @@ -311,12 +310,14 @@ void rtllib_tx_query_agg_cap(struct rtllib_device* ieee, struct sk_buff* skb, st if (!ieee->GetNmodeSupportBySecCfg(ieee->dev)) return; if (pHTInfo->bCurrentAMPDUEnable) { if (!GetTs(ieee, (struct ts_common_info **)(&pTxTs), hdr->addr1, skb->priority, TX_DIR, true)){ printk("%s: can't get TS\n", __func__); if (!GetTs(ieee, (struct ts_common_info **)(&pTxTs), hdr->addr1, skb->priority, TX_DIR, true)) { printk(KERN_INFO "%s: can't get TS\n", __func__); return; } if (pTxTs->TxAdmittedBARecord.bValid == false) { if (ieee->wpa_ie_len && (ieee->pairwise_key_type == KEY_TYPE_NA)) { if (ieee->wpa_ie_len && (ieee->pairwise_key_type == KEY_TYPE_NA)) { ; } else if (tcb_desc->bdhcp == 1) { ; Loading @@ -325,7 +326,8 @@ void rtllib_tx_query_agg_cap(struct rtllib_device* ieee, struct sk_buff* skb, st } goto FORCED_AGG_SETTING; } else if (pTxTs->bUsingBa == false) { if (SN_LESS(pTxTs->TxAdmittedBARecord.BaStartSeqCtrl.field.SeqNum, (pTxTs->TxCurSeq+1)%4096)) if (SN_LESS(pTxTs->TxAdmittedBARecord.BaStartSeqCtrl.field.SeqNum, (pTxTs->TxCurSeq+1)%4096)) pTxTs->bUsingBa = true; else goto FORCED_AGG_SETTING; Loading @@ -352,27 +354,24 @@ void rtllib_tx_query_agg_cap(struct rtllib_device* ieee, struct sk_buff* skb, st tcb_desc->ampdu_density = 0; tcb_desc->ampdu_factor = 0; break; } return; } extern void rtllib_qurey_ShortPreambleMode(struct rtllib_device* ieee, struct cb_desc * tcb_desc) extern void rtllib_qurey_ShortPreambleMode(struct rtllib_device *ieee, struct cb_desc *tcb_desc) { tcb_desc->bUseShortPreamble = false; if (tcb_desc->data_rate == 2) { return; } else if (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_PREAMBLE) { else if (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_PREAMBLE) tcb_desc->bUseShortPreamble = true; } return; } extern void rtllib_query_HTCapShortGI(struct rtllib_device *ieee, struct cb_desc *tcb_desc) extern void rtllib_query_HTCapShortGI(struct rtllib_device *ieee, struct cb_desc *tcb_desc) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; Loading @@ -381,8 +380,7 @@ rtllib_query_HTCapShortGI(struct rtllib_device *ieee, struct cb_desc *tcb_desc) if (!pHTInfo->bCurrentHTSupport || !pHTInfo->bEnableHT) return; if (pHTInfo->bForcedShortGI) { if (pHTInfo->bForcedShortGI) { tcb_desc->bUseShortGI = true; return; } Loading @@ -393,7 +391,8 @@ rtllib_query_HTCapShortGI(struct rtllib_device *ieee, struct cb_desc *tcb_desc) tcb_desc->bUseShortGI = true; } void rtllib_query_BandwidthMode(struct rtllib_device* ieee, struct cb_desc *tcb_desc) void rtllib_query_BandwidthMode(struct rtllib_device *ieee, struct cb_desc *tcb_desc) { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; Loading @@ -407,12 +406,14 @@ void rtllib_query_BandwidthMode(struct rtllib_device* ieee, struct cb_desc *tcb_ if ((tcb_desc->data_rate & 0x80) == 0) return; if (pHTInfo->bCurBW40MHz && pHTInfo->bCurTxBW40MHz && !ieee->bandwidth_auto_switch.bforced_tx20Mhz) if (pHTInfo->bCurBW40MHz && pHTInfo->bCurTxBW40MHz && !ieee->bandwidth_auto_switch.bforced_tx20Mhz) tcb_desc->bPacketBW = true; return; } void rtllib_query_protectionmode(struct rtllib_device* ieee, struct cb_desc * tcb_desc, struct sk_buff* skb) void rtllib_query_protectionmode(struct rtllib_device *ieee, struct cb_desc *tcb_desc, struct sk_buff *skb) { tcb_desc->bRTSSTBC = false; tcb_desc->bRTSUseShortGI = false; Loading @@ -426,65 +427,52 @@ void rtllib_query_protectionmode(struct rtllib_device* ieee, struct cb_desc * tc if (is_broadcast_ether_addr(skb->data+16)) return; if (ieee->mode < IEEE_N_24G) { if (skb->len > ieee->rts) { if (ieee->mode < IEEE_N_24G) { if (skb->len > ieee->rts) { tcb_desc->bRTSEnable = true; tcb_desc->rts_rate = MGN_24M; } else if (ieee->current_network.buseprotection) { } else if (ieee->current_network.buseprotection) { tcb_desc->bRTSEnable = true; tcb_desc->bCTSEnable = true; tcb_desc->rts_rate = MGN_24M; } return; } else { } else { struct rt_hi_throughput *pHTInfo = ieee->pHTInfo; while (true) { if (pHTInfo->IOTAction & HT_IOT_ACT_FORCED_CTS2SELF) { while (true) { if (pHTInfo->IOTAction & HT_IOT_ACT_FORCED_CTS2SELF) { tcb_desc->bCTSEnable = true; tcb_desc->rts_rate = MGN_24M; tcb_desc->bRTSEnable = true; break; } else if (pHTInfo->IOTAction & (HT_IOT_ACT_FORCED_RTS|HT_IOT_ACT_PURE_N_MODE)) { } else if (pHTInfo->IOTAction & (HT_IOT_ACT_FORCED_RTS | HT_IOT_ACT_PURE_N_MODE)) { tcb_desc->bRTSEnable = true; tcb_desc->rts_rate = MGN_24M; break; } if (ieee->current_network.buseprotection) { if (ieee->current_network.buseprotection) { tcb_desc->bRTSEnable = true; tcb_desc->bCTSEnable = true; tcb_desc->rts_rate = MGN_24M; break; } if (pHTInfo->bCurrentHTSupport && pHTInfo->bEnableHT) { if (pHTInfo->bCurrentHTSupport && pHTInfo->bEnableHT) { u8 HTOpMode = pHTInfo->CurrentOpMode; if ((pHTInfo->bCurBW40MHz && (HTOpMode == 2 || HTOpMode == 3)) || (!pHTInfo->bCurBW40MHz && HTOpMode == 3) ) { if ((pHTInfo->bCurBW40MHz && (HTOpMode == 2 || HTOpMode == 3)) || (!pHTInfo->bCurBW40MHz && HTOpMode == 3)) { tcb_desc->rts_rate = MGN_24M; tcb_desc->bRTSEnable = true; break; } } if (skb->len > ieee->rts) { if (skb->len > ieee->rts) { tcb_desc->rts_rate = MGN_24M; tcb_desc->bRTSEnable = true; break; } if (tcb_desc->bAMPDUEnable) { if (tcb_desc->bAMPDUEnable) { tcb_desc->rts_rate = MGN_24M; tcb_desc->bRTSEnable = false; break; Loading @@ -492,12 +480,6 @@ void rtllib_query_protectionmode(struct rtllib_device* ieee, struct cb_desc * tc goto NO_PROTECTION; } } if ( 0 ) { tcb_desc->bCTSEnable = true; tcb_desc->rts_rate = MGN_24M; tcb_desc->bRTSEnable = true; } if (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_PREAMBLE) tcb_desc->bUseShortPreamble = true; if (ieee->iw_mode == IW_MODE_MASTER) Loading @@ -512,33 +494,34 @@ void rtllib_query_protectionmode(struct rtllib_device* ieee, struct cb_desc * tc } void rtllib_txrate_selectmode(struct rtllib_device* ieee, struct cb_desc * tcb_desc) void rtllib_txrate_selectmode(struct rtllib_device *ieee, struct cb_desc *tcb_desc) { if (ieee->bTxDisableRateFallBack) tcb_desc->bTxDisableRateFallBack = true; if (ieee->bTxUseDriverAssingedRate) tcb_desc->bTxUseDriverAssingedRate = true; if (!tcb_desc->bTxDisableRateFallBack || !tcb_desc->bTxUseDriverAssingedRate) { if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) if (!tcb_desc->bTxDisableRateFallBack || !tcb_desc->bTxUseDriverAssingedRate) { if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) tcb_desc->RATRIndex = 0; } } u16 rtllib_query_seqnum(struct rtllib_device*ieee, struct sk_buff* skb, u8* dst) u16 rtllib_query_seqnum(struct rtllib_device *ieee, struct sk_buff *skb, u8 *dst) { u16 seqnum = 0; if (is_multicast_ether_addr(dst) || is_broadcast_ether_addr(dst)) return 0; if (IsQoSDataFrame(skb->data)) { if (IsQoSDataFrame(skb->data)) { struct tx_ts_record *pTS = NULL; if (!GetTs(ieee, (struct ts_common_info **)(&pTS), dst, skb->priority, TX_DIR, true)) { if (!GetTs(ieee, (struct ts_common_info **)(&pTS), dst, skb->priority, TX_DIR, true)) return 0; } seqnum = pTS->TxCurSeq; pTS->TxCurSeq = (pTS->TxCurSeq+1)%4096; return seqnum; Loading Loading @@ -568,7 +551,8 @@ static int wme_downgrade_ac(struct sk_buff *skb) int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) { struct rtllib_device *ieee = (struct rtllib_device *)netdev_priv_rsl(dev); struct rtllib_device *ieee = (struct rtllib_device *) netdev_priv_rsl(dev); struct rtllib_txb *txb = NULL; struct rtllib_hdr_3addrqos *frag_hdr; int i, bytes_per_frag, nr_frags, bytes_last_frag, frag_size; Loading @@ -588,14 +572,16 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) struct cb_desc *tcb_desc; u8 bIsMulticast = false; u8 IsAmsdu = false; bool bdhcp = false; spin_lock_irqsave(&ieee->lock, flags); /* If there is no driver handler to take the TXB, dont' bother * creating it... */ if ((!ieee->hard_start_xmit && !(ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE))|| ((!ieee->softmac_data_hard_start_xmit && (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)))) { if ((!ieee->hard_start_xmit && !(ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)) || ((!ieee->softmac_data_hard_start_xmit && (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)))) { printk(KERN_WARNING "%s: No xmit handler.\n", ieee->dev->name); goto success; Loading @@ -615,39 +601,46 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) memset(skb->cb, 0, sizeof(skb->cb)); ether_type = ntohs(((struct ethhdr *)skb->data)->h_proto); if (ieee->iw_mode == IW_MODE_MONITOR) { if (ieee->iw_mode == IW_MODE_MONITOR) { txb = rtllib_alloc_txb(1, skb->len, GFP_ATOMIC); if (unlikely(!txb)) { printk(KERN_WARNING "%s: Could not allocate TXB\n", printk(KERN_WARNING "%s: Could not allocate " "TXB\n", ieee->dev->name); goto failed; } txb->encrypted = 0; txb->payload_size = skb->len; memcpy(skb_put(txb->fragments[0],skb->len), skb->data, skb->len); memcpy(skb_put(txb->fragments[0], skb->len), skb->data, skb->len); goto success; } if (skb->len > 282) { if (ETH_P_IP == ether_type) { const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data+14); const struct iphdr *ip = (struct iphdr *) ((u8 *)skb->data+14); if (IPPROTO_UDP == ip->protocol) { struct udphdr *udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2)); if (((((u8 *)udp)[1] == 68) && (((u8 *)udp)[3] == 67)) || ((((u8 *)udp)[1] == 67) && (((u8 *)udp)[3] == 68))) { struct udphdr *udp; udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2)); if (((((u8 *)udp)[1] == 68) && (((u8 *)udp)[3] == 67)) || ((((u8 *)udp)[1] == 67) && (((u8 *)udp)[3] == 68))) { bdhcp = true; ieee->LPSDelayCnt = 200; } } } else if (ETH_P_ARP == ether_type) { printk("=================>DHCP Protocol start tx ARP pkt!!\n"); printk(KERN_INFO "=================>DHCP " "Protocol start tx ARP pkt!!\n"); bdhcp = true; ieee->LPSDelayCnt = ieee->current_network.tim.tim_count; ieee->LPSDelayCnt = ieee->current_network.tim.tim_count; } } Loading @@ -662,7 +655,8 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) } if (crypt && !encrypt && ether_type == ETH_P_PAE) { struct eapol *eap = (struct eapol *)(skb->data + sizeof(struct ethhdr) - SNAP_SIZE - sizeof(u16)); sizeof(struct ethhdr) - SNAP_SIZE - sizeof(u16)); RTLLIB_DEBUG_EAP("TX: IEEE 802.11 EAPOL frame: %s\n", eap_get_type(eap->type)); } Loading @@ -687,10 +681,12 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) fc |= RTLLIB_FCTL_TODS; /* To DS: Addr1 = BSSID, Addr2 = SA, Addr3 = DA */ memcpy(&header.addr1, ieee->current_network.bssid, ETH_ALEN); memcpy(&header.addr1, ieee->current_network.bssid, ETH_ALEN); memcpy(&header.addr2, &src, ETH_ALEN); if (IsAmsdu) memcpy(&header.addr3, ieee->current_network.bssid, ETH_ALEN); memcpy(&header.addr3, ieee->current_network.bssid, ETH_ALEN); else memcpy(&header.addr3, &dest, ETH_ALEN); } else if (ieee->iw_mode == IW_MODE_ADHOC) { Loading @@ -698,10 +694,12 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) Addr3 = BSSID */ memcpy(&header.addr1, dest, ETH_ALEN); memcpy(&header.addr2, src, ETH_ALEN); memcpy(&header.addr3, ieee->current_network.bssid, ETH_ALEN); memcpy(&header.addr3, ieee->current_network.bssid, ETH_ALEN); } bIsMulticast = is_broadcast_ether_addr(header.addr1) ||is_multicast_ether_addr(header.addr1); bIsMulticast = is_broadcast_ether_addr(header.addr1) || is_multicast_ether_addr(header.addr1); header.frame_ctl = cpu_to_le16(fc); Loading @@ -720,11 +718,11 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) /* in case we are a client verify acm is not set for this ac */ while (unlikely(ieee->wmm_acm & (0x01 << skb->priority))) { printk("skb->priority = %x\n", skb->priority); if (wme_downgrade_ac(skb)) { printk(KERN_INFO "skb->priority = %x\n", skb->priority); if (wme_downgrade_ac(skb)) break; } printk("converted skb->priority = %x\n", skb->priority); printk(KERN_INFO "converted skb->priority = %x\n", skb->priority); } qos_ctl |= skb->priority; header.qos_ctl = cpu_to_le16(qos_ctl & RTLLIB_QOS_TID); Loading @@ -733,14 +731,15 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) } /* Determine amount of payload per fragment. Regardless of if * this stack is providing the full 802.11 header, one will * eventually be affixed to this fragment -- so we must account for * it when determining the amount of payload space. */ * eventually be affixed to this fragment -- so we must account * for it when determining the amount of payload space. */ bytes_per_frag = frag_size - hdr_len; if (ieee->config & (CFG_RTLLIB_COMPUTE_FCS | CFG_RTLLIB_RESERVE_FCS)) bytes_per_frag -= RTLLIB_FCS_LEN; /* Each fragment may need to have room for encryptiong pre/postfix */ /* Each fragment may need to have room for encryptiong * pre/postfix */ if (encrypt) { bytes_per_frag -= crypt->ops->extra_prefix_len + crypt->ops->extra_postfix_len; Loading @@ -754,10 +753,11 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) else bytes_last_frag = bytes_per_frag; /* When we allocate the TXB we allocate enough space for the reserve * and full fragment bytes (bytes_per_frag doesn't include prefix, * postfix, header, FCS, etc.) */ txb = rtllib_alloc_txb(nr_frags, frag_size + ieee->tx_headroom, GFP_ATOMIC); /* When we allocate the TXB we allocate enough space for the * reserve and full fragment bytes (bytes_per_frag doesn't * include prefix, postfix, header, FCS, etc.) */ txb = rtllib_alloc_txb(nr_frags, frag_size + ieee->tx_headroom, GFP_ATOMIC); if (unlikely(!txb)) { printk(KERN_WARNING "%s: Could not allocate TXB\n", ieee->dev->name); Loading @@ -767,15 +767,14 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) txb->payload_size = bytes; if (qos_actived) { txb->queue_index = UP2AC(skb->priority); } else { txb->queue_index = WME_AC_BE;; } else txb->queue_index = WME_AC_BE; for (i = 0; i < nr_frags; i++) { skb_frag = txb->fragments[i]; tcb_desc = (struct cb_desc *)(skb_frag->cb + MAX_DEV_ADDR_SIZE); tcb_desc = (struct cb_desc *)(skb_frag->cb + MAX_DEV_ADDR_SIZE); if (qos_actived) { skb_frag->priority = skb->priority; tcb_desc->queue_index = UP2AC(skb->priority); Loading @@ -790,36 +789,41 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) tcb_desc->bHwSec = 1; else tcb_desc->bHwSec = 0; skb_reserve(skb_frag, crypt->ops->extra_prefix_len); skb_reserve(skb_frag, crypt->ops->extra_prefix_len); } else { tcb_desc->bHwSec = 0; } frag_hdr = (struct rtllib_hdr_3addrqos *)skb_put(skb_frag, hdr_len); frag_hdr = (struct rtllib_hdr_3addrqos *) skb_put(skb_frag, hdr_len); memcpy(frag_hdr, &header, hdr_len); /* If this is not the last fragment, then add the MOREFRAGS * bit to the frame control */ /* If this is not the last fragment, then add the * MOREFRAGS bit to the frame control */ if (i != nr_frags - 1) { frag_hdr->frame_ctl = cpu_to_le16( fc | RTLLIB_FCTL_MOREFRAGS); bytes = bytes_per_frag; } else { /* The last fragment takes the remaining length */ /* The last fragment has the remaining length */ bytes = bytes_last_frag; } if ((qos_actived) && (!bIsMulticast)) { frag_hdr->seq_ctl = rtllib_query_seqnum(ieee, skb_frag, header.addr1); frag_hdr->seq_ctl = cpu_to_le16(frag_hdr->seq_ctl<<4 | i); if ((qos_actived) && (!bIsMulticast)) { frag_hdr->seq_ctl = rtllib_query_seqnum(ieee, skb_frag, header.addr1); frag_hdr->seq_ctl = cpu_to_le16(frag_hdr->seq_ctl<<4 | i); } else { frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0]<<4 | i); frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0]<<4 | i); } /* Put a SNAP header on the first fragment */ if (i == 0) { rtllib_put_snap( skb_put(skb_frag, SNAP_SIZE + sizeof(u16)), ether_type); skb_put(skb_frag, SNAP_SIZE + sizeof(u16)), ether_type); bytes -= SNAP_SIZE + sizeof(u16); } Loading @@ -828,10 +832,12 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) /* Advance the SKB... */ skb_pull(skb, bytes); /* Encryption routine will move the header forward in order * to insert the IV between the header and the payload */ /* Encryption routine will move the header forward in * order to insert the IV between the header and the * payload */ if (encrypt) rtllib_encrypt_fragment(ieee, skb_frag, hdr_len); rtllib_encrypt_fragment(ieee, skb_frag, hdr_len); if (ieee->config & (CFG_RTLLIB_COMPUTE_FCS | CFG_RTLLIB_RESERVE_FCS)) skb_put(skb_frag, 4); Loading Loading @@ -864,20 +870,22 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) txb->encrypted = 0; txb->payload_size = skb->len; memcpy(skb_put(txb->fragments[0],skb->len), skb->data, skb->len); memcpy(skb_put(txb->fragments[0], skb->len), skb->data, skb->len); } success: if (txb) { struct cb_desc *tcb_desc = (struct cb_desc *)(txb->fragments[0]->cb + MAX_DEV_ADDR_SIZE); if (txb) { struct cb_desc *tcb_desc = (struct cb_desc *) (txb->fragments[0]->cb + MAX_DEV_ADDR_SIZE); tcb_desc->bTxEnableFwCalcDur = 1; tcb_desc->priority = skb->priority; if (ether_type == ETH_P_PAE) { if (ieee->pHTInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom) { tcb_desc->data_rate = MgntQuery_TxRateExcludeCCKRates(ieee); if (ieee->pHTInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom) { tcb_desc->data_rate = MgntQuery_TxRateExcludeCCKRates(ieee); tcb_desc->bTxDisableRateFallBack = false; } else { tcb_desc->data_rate = ieee->basic_rate; Loading @@ -896,12 +904,14 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) if (tcb_desc->bMulticast || tcb_desc->bBroadcast) tcb_desc->data_rate = ieee->basic_rate; else tcb_desc->data_rate = CURRENT_RATE(ieee->mode, ieee->rate, ieee->HTCurrentOperaRate); tcb_desc->data_rate = CURRENT_RATE(ieee->mode, ieee->rate, ieee->HTCurrentOperaRate); if (bdhcp == true) { if (ieee->pHTInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom) { tcb_desc->data_rate = MgntQuery_TxRateExcludeCCKRates(ieee); if (ieee->pHTInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom) { tcb_desc->data_rate = MgntQuery_TxRateExcludeCCKRates(ieee); tcb_desc->bTxDisableRateFallBack = false; } else { tcb_desc->data_rate = MGN_1M; Loading @@ -915,10 +925,12 @@ int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) } rtllib_qurey_ShortPreambleMode(ieee, tcb_desc); rtllib_tx_query_agg_cap(ieee, txb->fragments[0], tcb_desc); rtllib_tx_query_agg_cap(ieee, txb->fragments[0], tcb_desc); rtllib_query_HTCapShortGI(ieee, tcb_desc); rtllib_query_BandwidthMode(ieee, tcb_desc); rtllib_query_protectionmode(ieee, tcb_desc, txb->fragments[0]); rtllib_query_protectionmode(ieee, tcb_desc, txb->fragments[0]); } } spin_unlock_irqrestore(&ieee->lock, flags); Loading