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Add support for ip addr add <IP> peer <PEER_IP> #77

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Add support for ip addr add <IP> peer <PEER_IP> #77

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19 changes: 12 additions & 7 deletions src/addr/add.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ impl AddressAddRequest {
index: u32,
address: IpAddr,
prefix_len: u8,
peer_address: Option<IpAddr>,
) -> Self {
let mut message = AddressMessage::default();

Expand All @@ -45,14 +46,18 @@ impl AddressAddRequest {
message.attributes.push(AddressAttribute::Multicast(a));
}
} else {
message.attributes.push(AddressAttribute::Address(address));

// for IPv4 the IFA_LOCAL address can be set to the same value as
// IFA_ADDRESS
message.attributes.push(AddressAttribute::Local(address));
// If peer_address is provided, use it as IFA_ADDRESS
if let Some(peer) = peer_address {
message.attributes.push(AddressAttribute::Address(peer));
message.attributes.push(AddressAttribute::Local(address));
} else {
message.attributes.push(AddressAttribute::Address(address));
// for IPv4 the IFA_LOCAL address can be set to the same value as
// IFA_ADDRESS when no peer is specified
message.attributes.push(AddressAttribute::Local(address));
}

// set the IFA_BROADCAST address as well (IPv6 does not support
// broadcast)
// set the IFA_BROADCAST address as well (IPv6 does not support broadcast)
if let IpAddr::V4(a) = address {
if prefix_len == 32 {
message.attributes.push(AddressAttribute::Broadcast(a));
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9 changes: 8 additions & 1 deletion src/addr/handle.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -25,8 +25,15 @@ impl AddressHandle {
index: u32,
address: IpAddr,
prefix_len: u8,
peer_address: Option<IpAddr>,
) -> AddressAddRequest {
AddressAddRequest::new(self.0.clone(), index, address, prefix_len)
AddressAddRequest::new(
self.0.clone(),
index,
address,
prefix_len,
peer_address,
)
}

/// Delete the given address
Expand Down