yggdrasil-network/yggdrasil-go
1
0
Fork 0
mirror of https://github.com/yggdrasil-network/yggdrasil-go.git synced 2025-04-28 22:25:07 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix data race on peermacs

Browse source
This commit is contained in:
Neil Alexander 2019-07-06 15:15:43 +01:00
parent e8272926a4
commit a10c141896
No known key found for this signature in database
GPG key ID: A02A2019A2BB0944
2 changed files with 11 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/tuntap/iface.go
View file

@ -41,7 +41,7 @@ func (tun *TunAdapter) writer() error {
return errors.New("Invalid address family")
}
sendndp := func(dstAddr address.Address) {
neigh, known := tun.icmpv6.peermacs[dstAddr]
neigh, known := tun.icmpv6.getNeighbor(dstAddr)
known = known && (time.Since(neigh.lastsolicitation).Seconds() < 30)
if !known {
tun.icmpv6.Solicit(dstAddr)
@ -56,12 +56,12 @@ func (tun *TunAdapter) writer() error {
dstAddr = tun.addr
}
}
if neighbor, ok := tun.icmpv6.peermacs[dstAddr]; ok && neighbor.learned {
if neighbor, ok := tun.icmpv6.getNeighbor(dstAddr); ok && neighbor.learned {
// If we've learned the MAC of a 300::/7 address, for example, or a CKR
// address, use the MAC address of that
peermac = neighbor.mac
peerknown = true
} else if neighbor, ok := tun.icmpv6.peermacs[tun.addr]; ok && neighbor.learned {
} else if neighbor, ok := tun.icmpv6.getNeighbor(tun.addr); ok && neighbor.learned {
// Otherwise send directly to the MAC address of the host if that's
// known instead
peermac = neighbor.mac