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v1.1

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lubeilin
2023-03-13 22:11:52 +08:00
parent 5b2c2435d5
commit 6f7992ea9f
46 changed files with 760 additions and 2124 deletions
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switch/src/protocol/mod.rs
+3 -2
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@@ -86,6 +86,7 @@ impl Into<u8> for Protocol {
}
pub const MAX_TTL: u8 = 0b1111;
pub const MAX_SOURCE: u8 = 0b11110000;
#[derive(Copy, Clone)]
pub struct NetPacket<B> {
@@ -152,10 +153,10 @@ impl<B: AsRef<[u8]> + AsMut<[u8]>> NetPacket<B> {
self.buffer.as_mut()[3] = ttl << 4 | ttl;
}
pub fn set_ttl(&mut self, ttl: u8) {
self.buffer.as_mut()[3] = MAX_TTL & ttl;
self.buffer.as_mut()[3] = (self.buffer.as_mut()[3] & MAX_SOURCE) | (MAX_TTL & ttl);
}
pub fn set_source_ttl(&mut self, source_ttl: u8) {
self.buffer.as_mut()[3] = (source_ttl << 4) | self.buffer.as_ref()[3];
self.buffer.as_mut()[3] = (source_ttl << 4) | (MAX_TTL & self.buffer.as_ref()[3]);
}
pub fn set_source(&mut self, source: Ipv4Addr) {
self.buffer.as_mut()[4..8].copy_from_slice(&source.octets());