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Pass external ip addresses through gateway

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This commit is contained in:
dschmenk 2015-10-29 12:01:30 -07:00
parent 94a3482e49
commit 8500bac5ea
1 changed files with 9 additions and 3 deletions

12
src/libsrc/etherip.pla

@ -171,6 +171,7 @@ byte[IP4ADR_SIZE] remoteip
//
// Local network parameters
//
byte[IP4ADR_SIZE] netmask
byte[IP4ADR_SIZE] subnet
byte[IP4ADR_SIZE] gateway
const MAX_UDP_NOTIFIES = 4
@ -279,6 +280,9 @@ def etherSendIP(ipdst, proto, seglist, size)
memset(@hdr.ip_dst, IP_BROADCAST, IP4ADR_SIZE)
memset(@dstMAC, MAC_BROADCAST, MAC_SIZE)
else
if ipdst=>0 & netmask:0 <> subnet:0 or ipdst=>2 & netmask:2 <> subnet:2
ipdst = @gateway // External net destination
fin
memcpy(@hdr.ip_dst, ipdst, IP4ADR_SIZE)
retry = 0
while hdr:ip_dst:0 <> remoteip:0 and hdr:ip_dst:2 <> remoteip:2
@ -471,7 +475,7 @@ def etherServiceIP
// Filter valid destination address
//
if iphdr=>ip_dst:2 <> localip:2 // Yes, this is a little lazy
if (iphdr=>ip_dst:0|subnet:0) & (iphdr=>ip_dst:2|subnet:2) <> IP_BROADCAST
if (iphdr=>ip_dst:0|netmask:0) & (iphdr=>ip_dst:2|netmask:2) <> IP_BROADCAST
break
fin
fin
@ -555,10 +559,12 @@ end
//
// Set the local IP addresses
//
def setEtherIP(newIP, newSubnet, newGateway)
def setEtherIP(newIP, newNetmask, newGateway)
if newIP; memcpy(@localip, newIP, IP4ADR_SIZE); fin
if newSubnet; memcpy(@subnet, newSubnet, IP4ADR_SIZE); fin
if newNetmask; memcpy(@netmask, newNetmask, IP4ADR_SIZE); fin
if newGateway; memcpy(@gateway, newGateway, IP4ADR_SIZE); fin
subnet:0 = netmask:0 & gateway:0
subnet:2 = netmask:2 & gateway:2
end
//
// Get the interface hardware address