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Change default MTU to 2800

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This commit is contained in:
Joseph Henry
2020-05-06 20:24:58 -07:00
parent c4af6bc74f
commit 676ddd15d4
2 changed files with 5 additions and 5 deletions
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8
src/VirtualTap.cpp
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@@ -223,7 +223,7 @@ std::vector<InetAddress> VirtualTap::ips() const
void VirtualTap::put(const MAC &from,const MAC &to,unsigned int etherType,
const void *data,unsigned int len)
{
if (len <= _mtu && _enabled) {
if (len && _enabled) {
_lwip_eth_rx(this, from, to, etherType, data, len);
}
}
@@ -653,12 +653,13 @@ static err_t _netif_init4(struct netif *n)
return ERR_IF;
}
// Called from netif code, no need to lock
VirtualTap *tap = (VirtualTap*)(n->state);
n->hwaddr_len = 6;
n->name[0] = '4';
n->name[1] = 'a'+netifCount;
n->linkoutput = _lwip_eth_tx;
n->output = etharp_output;
n->mtu = LWIP_MTU < ZT_MAX_MTU ? LWIP_MTU : ZT_MAX_MTU;
n->mtu = std::min(LWIP_MTU,(int)tap->_mtu);
n->flags = NETIF_FLAG_BROADCAST
| NETIF_FLAG_ETHARP
| NETIF_FLAG_ETHERNET
@@ -667,7 +668,6 @@ static err_t _netif_init4(struct netif *n)
| NETIF_FLAG_LINK_UP
| NETIF_FLAG_UP;
n->hwaddr_len = sizeof(n->hwaddr);
VirtualTap *tap = (VirtualTap*)(n->state);
tap->_mac.copyTo(n->hwaddr, n->hwaddr_len);
return ERR_OK;
}
@@ -686,7 +686,7 @@ static err_t _netif_init6(struct netif *n)
n->name[1] = 'a'+netifCount;
n->linkoutput = _lwip_eth_tx;
n->output_ip6 = ethip6_output;
n->mtu = LWIP_MTU < ZT_MAX_MTU ? LWIP_MTU : ZT_MAX_MTU;
n->mtu = std::min(LWIP_MTU,(int)tap->_mtu);
n->flags = NETIF_FLAG_BROADCAST
| NETIF_FLAG_ETHARP
| NETIF_FLAG_ETHERNET