diff options
| -rw-r--r-- | src/eth.rs | 4 | ||||
| -rw-r--r-- | src/packet.rs | 6 |
2 files changed, 5 insertions, 5 deletions
@@ -6,11 +6,11 @@ use crate::error::ParseError; /// A valid Ethernet Header #[derive(Debug)] -pub struct Header<'a>(&'a mut [u8]); +pub struct Header<'a>(&'a [u8]); impl<'a> Header<'a> { /// Parse a buffer and create a Ethernet Header from it. - pub fn with_buffer(buffer: &'a mut [u8]) -> Result<Self, ParseError> { + pub fn with_buffer(buffer: &'a [u8]) -> Result<Self, ParseError> { if buffer.len() < 14 { return Err(ParseError::BufferTooSmall(buffer.len())); } diff --git a/src/packet.rs b/src/packet.rs index 6cefe64..f45000b 100644 --- a/src/packet.rs +++ b/src/packet.rs @@ -6,7 +6,7 @@ use std::slice; pub const PPPOE_DISCOVERY: u16 = 0x8863; pub const PPPOE_SESSION: u16 = 0x8864; -fn ensure_minimal_buffer_size(buffer: &mut [u8]) -> Result<(), ParseError> { +fn ensure_minimal_buffer_size(buffer: &[u8]) -> Result<(), ParseError> { // minimal eth + pppoe header size if buffer.len() < 20 { return Err(ParseError::BufferTooSmall(buffer.len())); @@ -26,9 +26,9 @@ impl<'a> Packet<'a> { /// /// The buffer is expected contain a valid Ethernet Packet (with an ethertype for PPPoE) and a /// PPPoE Packet. Therefore the buffer must be greater than 20 bytes. - pub fn with_buffer(buffer: &'a mut [u8]) -> Result<Self, Error> { + pub fn with_buffer(buffer: &'a [u8]) -> Result<Self, Error> { ensure_minimal_buffer_size(buffer)?; - let (eth_buf, pppoe_buf) = buffer.split_at_mut(14); + let (eth_buf, pppoe_buf) = buffer.split_at(14); Ok(Self { ethernet: eth::Header::with_buffer(eth_buf)?, |