/* net device transmit always called with no BH (preempt_disabled) */
netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct net_bridge *br = netdev_priv(dev);
const unsigned char *dest = skb->data;
struct net_bridge_fdb_entry *dst;
struct net_bridge_mdb_entry *mdst;
BR_INPUT_SKB_CB(skb)->brdev = dev;
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
skb_reset_mac_header(skb);
skb_pull(skb, ETH_HLEN);
if (dest[0] & 1) {
if (br_multicast_rcv(br, NULL, skb))
goto out;
mdst = br_mdb_get(br, skb);
if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb))
br_multicast_deliver(mdst, skb);
else
br_flood_deliver(br, skb);
} else if ((dst = __br_fdb_get(br, dest)) != NULL)
br_deliver(dst->dst, skb);
else
br_flood_deliver(br, skb);
out:
return NETDEV_TX_OK;
}
/* net device transmit always called with no BH (preempt_disabled) */
int br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct net_bridge *br = netdev_priv(dev);
const unsigned char *dest = skb->data;
struct net_bridge_fdb_entry *dst;
#if defined (CONFIG_RTL_IGMP_SNOOPING)
struct iphdr *iph=NULL;
unsigned char proto=0;
unsigned char reserved=0;
#if defined (CONFIG_RTL_MLD_SNOOPING)
struct ipv6hdr *ipv6h=NULL;
#endif
struct rtl_multicastDataInfo multicastDataInfo;
struct rtl_multicastFwdInfo multicastFwdInfo;
int ret=FAILED;
#if defined (CONFIG_RTL_HARDWARE_MULTICAST)
unsigned int srcPort=skb->srcPort;
unsigned int srcVlanId=skb->srcVlanId;
#endif
#endif
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
skb_reset_mac_header(skb);
skb_pull(skb, ETH_HLEN);
if (dest[0] & 1)
{
#if defined (CONFIG_RTL_IGMP_SNOOPING)
if(igmpsnoopenabled)
{
if(MULTICAST_MAC(dest))
{
iph=(struct iphdr *)skb_network_header(skb);
proto = iph->protocol;
#if 0
if(( iph->daddr&0xFFFFFF00)==0xE0000000)
{
reserved=1;
}
#endif
if( iph->daddr == 0xEFFFFFFA)
{
/*for microsoft upnp*/
reserved=1;
}
if(((proto ==IPPROTO_UDP) ||(proto ==IPPROTO_TCP)) && (reserved ==0))
{
multicastDataInfo.ipVersion=4;
multicastDataInfo.sourceIp[0]= (uint32)(iph->saddr);
multicastDataInfo.groupAddr[0]= (uint32)(iph->daddr);
ret= rtl_getMulticastDataFwdInfo(brIgmpModuleIndex, &multicastDataInfo, &multicastFwdInfo);
if(ret==SUCCESS)
{
br_multicast_deliver(br, multicastFwdInfo.fwdPortMask, skb, 0);
#if defined (CONFIG_RTL_HARDWARE_MULTICAST)
if((srcVlanId!=0) && (srcPort!=0xFFFF))
{
#if defined(CONFIG_RTK_VLAN_SUPPORT)
if(rtk_vlan_support_enable == 0)
{
rtl865x_ipMulticastHardwareAccelerate(br, multicastFwdInfo.fwdPortMask,srcPort,srcVlanId, multicastDataInfo.sourceIp[0], multicastDataInfo.groupAddr[0]);
}
#else
rtl865x_ipMulticastHardwareAccelerate(br, multicastFwdInfo.fwdPortMask,srcPort,srcVlanId, multicastDataInfo.sourceIp[0], multicastDataInfo.groupAddr[0]);
#endif
}
#endif
}
else
{
br_flood_deliver(br, skb);
}
}
else
{
br_flood_deliver(br, skb);
}
}
#if defined(CONFIG_RTL_MLD_SNOOPING)
else if(mldSnoopEnabled && IPV6_MULTICAST_MAC(dest))
{
ipv6h=(struct ipv6hdr *)skb_network_header(skb);
proto=re865x_getIpv6TransportProtocol(ipv6h);
if ((proto ==IPPROTO_UDP) ||(proto ==IPPROTO_TCP))
{
multicastDataInfo.ipVersion=6;
memcpy(&multicastDataInfo.sourceIp, &ipv6h->saddr, sizeof(struct in6_addr));
memcpy(&multicastDataInfo.groupAddr, &ipv6h->daddr, sizeof(struct in6_addr));
ret= rtl_getMulticastDataFwdInfo(brIgmpModuleIndex, &multicastDataInfo, &multicastFwdInfo);
if(ret==SUCCESS)
{
br_multicast_deliver(br, multicastFwdInfo.fwdPortMask, skb, 0);
}
else
{
br_flood_deliver(br, skb);
}
}
else
{
br_flood_deliver(br, skb);
}
}
#endif
else
{
br_flood_deliver(br, skb);
}
}
else
{
br_flood_deliver(br, skb);
}
#else
br_flood_deliver(br, skb);
#endif
}
else if ((dst = __br_fdb_get(br, dest)) != NULL)
br_deliver(dst->dst, skb);
else
br_flood_deliver(br, skb);
return 0;
}
static int __br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct net_bridge *br;
unsigned char *dest;
struct net_bridge_fdb_entry *dst;
#ifdef IGMP_SNOOPING
struct iphdr *iph;
unsigned int ipaddr=0;
unsigned char proto=0;
//unsigned char reserved=0;
extern int igmpsnoopenabled;
iph = skb->nh.iph;
ipaddr = iph->daddr;
proto = iph->protocol;
//Brad disable 20080619
// if ((ipaddr&0xF0FFFF00) == 0xE0000000)
// reserved=1;
#endif
br = dev->priv;
br->statistics.tx_packets++;
br->statistics.tx_bytes += skb->len;
dest = skb->mac.raw = skb->data;
skb_pull(skb, ETH_HLEN);
if (dest[0] & 1) {
#ifdef IGMP_SNOOPING
if(igmpsnoopenabled &&
(MULTICAST_MAC(dest) || IPV6_MULTICAST_MAC(dest))&&
(proto != IPPROTO_IGMP) && (ipaddr != 0xEFFFFFFA)
//&& (reserved == 0)
) {
if ((dst = br_fdb_get(br, dest)) != NULL) {
br_multicast_deliver(br, dst, skb, 0);
br_fdb_put(dst);
}
else {
br_flood_deliver(br, skb, 0);
}
}
else { // broadcast
br_flood_deliver(br, skb, 0);
}
return 0;
#else
br_flood_deliver(br, skb, 0);
return 0;
#endif
}
if ((dst = br_fdb_get(br, dest)) != NULL) {
#ifdef NAT_SPEEDUP
if (skb->dst && skb->dst->hh && skb->dst->hh->fdb_cache==NULL) {
skb->dst->hh->fdb_cache = (void*)dst;
dst->hh_ptr = skb->dst->hh;
}
#endif
br_deliver(dst->dst, skb);
br_fdb_put(dst);
return 0;
}
br_flood_deliver(br, skb, 0);
return 0;
}