#![doc = "OVS packet execution over generic netlink.\n\nOnly OVS_PACKET_CMD_EXECUTE is exposed as a genl operation.\nOVS_PACKET_CMD_MISS and OVS_PACKET_CMD_ACTION are kernel-to-userspace\nupcalls sent via genlmsg_unicast() to the vport\\'s upcall_pid and have\nno associated genl_ops or multicast group.\n\nSeveral attributes in the attribute set (userdata, egress-tun-key, len)\nexist for the upcall path and are not used by the EXECUTE operation. For\nEXECUTE, packet, key, and actions are mandatory (kernel returns -EINVAL\nwithout them).\n"]
#![allow(clippy::all)]
#![allow(unused_imports)]
#![allow(unused_assignments)]
#![allow(non_snake_case)]
#![allow(unused_variables)]
#![allow(irrefutable_let_patterns)]
#![allow(unreachable_code)]
#![allow(unreachable_patterns)]
use crate::builtin::{BuiltinBitfield32, BuiltinNfgenmsg, Nlmsghdr, PushDummy};
use crate::{
consts,
traits::{NetlinkRequest, Protocol},
utils::*,
};
pub const PROTONAME: &str = "ovs_packet";
pub const PROTONAME_CSTR: &CStr = c"ovs_packet";
#[derive(Debug)]
#[repr(C, packed(4))]
pub struct OvsHeader {
pub dp_ifindex: u32,
}
impl Clone for OvsHeader {
fn clone(&self) -> Self {
Self::new_from_array(*self.as_array())
}
}
#[doc = "Create zero-initialized struct"]
impl Default for OvsHeader {
fn default() -> Self {
Self::new()
}
}
impl OvsHeader {
#[doc = "Create zero-initialized struct"]
pub fn new() -> Self {
Self::new_from_array([0u8; Self::len()])
}
#[doc = "Copy from contents from slice"]
pub fn new_from_slice(other: &[u8]) -> Option<Self> {
if other.len() != Self::len() {
return None;
}
let mut buf = [0u8; Self::len()];
buf.clone_from_slice(other);
Some(Self::new_from_array(buf))
}
#[doc = "Copy from contents from another slice, padding with zeros or truncating when needed"]
pub fn new_from_zeroed(other: &[u8]) -> Self {
let mut buf = [0u8; Self::len()];
let len = buf.len().min(other.len());
buf[..len].clone_from_slice(&other[..len]);
Self::new_from_array(buf)
}
pub fn new_from_array(buf: [u8; 4usize]) -> Self {
unsafe { std::mem::transmute(buf) }
}
pub fn as_slice(&self) -> &[u8] {
unsafe {
let ptr: *const u8 = std::mem::transmute(self as *const Self);
std::slice::from_raw_parts(ptr, Self::len())
}
}
pub fn from_slice(buf: &[u8]) -> &Self {
assert!(buf.len() >= Self::len());
assert!(buf.as_ptr() as usize % std::mem::align_of::<Self>() == 0);
unsafe { std::mem::transmute(buf.as_ptr()) }
}
pub fn as_array(&self) -> &[u8; 4usize] {
unsafe { std::mem::transmute(self) }
}
pub fn from_array(buf: &[u8; 4usize]) -> &Self {
assert!(buf.as_ptr() as usize % std::mem::align_of::<Self>() == 0);
unsafe { std::mem::transmute(buf) }
}
pub fn into_array(self) -> [u8; 4usize] {
unsafe { std::mem::transmute(self) }
}
pub const fn len() -> usize {
const _: () = assert!(std::mem::size_of::<OvsHeader>() == 4usize);
4usize
}
}
#[derive(Clone)]
pub enum Packet<'a> {
#[doc = "Packet data, from the start of the Ethernet header.\n"]
Packet(&'a [u8]),
#[doc = "Nested [OVS_KEY_ATTR]()\\* attributes, extracted flow key. Defined as\nbinary because the key attribute-set belongs to the ovs_flow family\nspec; cross-spec references are not supported.\n"]
Key(&'a [u8]),
#[doc = "Nested [OVS_ACTION_ATTR]()\\* attributes. Defined as binary for the same\nreason as key.\n"]
Actions(&'a [u8]),
#[doc = "Opaque userspace cookie from OVS_USERSPACE_ATTR_USERDATA.\n"]
Userdata(&'a [u8]),
#[doc = "Nested [OVS_TUNNEL_KEY_ATTR]()\\* for output tunnel metadata.\n"]
EgressTunKey(&'a [u8]),
#[doc = "Packet operation is a feature probe, error logging suppressed.\n"]
Probe(()),
#[doc = "Maximum received IP fragment size.\n"]
Mru(u16),
#[doc = "Packet size before truncation.\n"]
Len(u32),
#[doc = "Packet hash, low 32 bits are skb hash, upper bits are flags.\n"]
Hash(u64),
#[doc = "Netlink PID to use for upcalls during EXECUTE processing.\n"]
UpcallPid(u32),
}
impl<'a> IterablePacket<'a> {
#[doc = "Packet data, from the start of the Ethernet header.\n"]
pub fn get_packet(&self) -> Result<&'a [u8], ErrorContext> {
let mut iter = self.clone();
iter.pos = 0;
for attr in iter {
if let Ok(Packet::Packet(val)) = attr {
return Ok(val);
}
}
Err(ErrorContext::new_missing(
"Packet",
"Packet",
self.orig_loc,
self.buf.as_ptr() as usize,
))
}
#[doc = "Nested [OVS_KEY_ATTR]()\\* attributes, extracted flow key. Defined as\nbinary because the key attribute-set belongs to the ovs_flow family\nspec; cross-spec references are not supported.\n"]
pub fn get_key(&self) -> Result<&'a [u8], ErrorContext> {
let mut iter = self.clone();
iter.pos = 0;
for attr in iter {
if let Ok(Packet::Key(val)) = attr {
return Ok(val);
}
}
Err(ErrorContext::new_missing(
"Packet",
"Key",
self.orig_loc,
self.buf.as_ptr() as usize,
))
}
#[doc = "Nested [OVS_ACTION_ATTR]()\\* attributes. Defined as binary for the same\nreason as key.\n"]
pub fn get_actions(&self) -> Result<&'a [u8], ErrorContext> {
let mut iter = self.clone();
iter.pos = 0;
for attr in iter {
if let Ok(Packet::Actions(val)) = attr {
return Ok(val);
}
}
Err(ErrorContext::new_missing(
"Packet",
"Actions",
self.orig_loc,
self.buf.as_ptr() as usize,
))
}
#[doc = "Opaque userspace cookie from OVS_USERSPACE_ATTR_USERDATA.\n"]
pub fn get_userdata(&self) -> Result<&'a [u8], ErrorContext> {
let mut iter = self.clone();
iter.pos = 0;
for attr in iter {
if let Ok(Packet::Userdata(val)) = attr {
return Ok(val);
}
}
Err(ErrorContext::new_missing(
"Packet",
"Userdata",
self.orig_loc,
self.buf.as_ptr() as usize,
))
}
#[doc = "Nested [OVS_TUNNEL_KEY_ATTR]()\\* for output tunnel metadata.\n"]
pub fn get_egress_tun_key(&self) -> Result<&'a [u8], ErrorContext> {
let mut iter = self.clone();
iter.pos = 0;
for attr in iter {
if let Ok(Packet::EgressTunKey(val)) = attr {
return Ok(val);
}
}
Err(ErrorContext::new_missing(
"Packet",
"EgressTunKey",
self.orig_loc,
self.buf.as_ptr() as usize,
))
}
#[doc = "Packet operation is a feature probe, error logging suppressed.\n"]
pub fn get_probe(&self) -> Result<(), ErrorContext> {
let mut iter = self.clone();
iter.pos = 0;
for attr in iter {
if let Ok(Packet::Probe(val)) = attr {
return Ok(val);
}
}
Err(ErrorContext::new_missing(
"Packet",
"Probe",
self.orig_loc,
self.buf.as_ptr() as usize,
))
}
#[doc = "Maximum received IP fragment size.\n"]
pub fn get_mru(&self) -> Result<u16, ErrorContext> {
let mut iter = self.clone();
iter.pos = 0;
for attr in iter {
if let Ok(Packet::Mru(val)) = attr {
return Ok(val);
}
}
Err(ErrorContext::new_missing(
"Packet",
"Mru",
self.orig_loc,
self.buf.as_ptr() as usize,
))
}
#[doc = "Packet size before truncation.\n"]
pub fn get_len(&self) -> Result<u32, ErrorContext> {
let mut iter = self.clone();
iter.pos = 0;
for attr in iter {
if let Ok(Packet::Len(val)) = attr {
return Ok(val);
}
}
Err(ErrorContext::new_missing(
"Packet",
"Len",
self.orig_loc,
self.buf.as_ptr() as usize,
))
}
#[doc = "Packet hash, low 32 bits are skb hash, upper bits are flags.\n"]
pub fn get_hash(&self) -> Result<u64, ErrorContext> {
let mut iter = self.clone();
iter.pos = 0;
for attr in iter {
if let Ok(Packet::Hash(val)) = attr {
return Ok(val);
}
}
Err(ErrorContext::new_missing(
"Packet",
"Hash",
self.orig_loc,
self.buf.as_ptr() as usize,
))
}
#[doc = "Netlink PID to use for upcalls during EXECUTE processing.\n"]
pub fn get_upcall_pid(&self) -> Result<u32, ErrorContext> {
let mut iter = self.clone();
iter.pos = 0;
for attr in iter {
if let Ok(Packet::UpcallPid(val)) = attr {
return Ok(val);
}
}
Err(ErrorContext::new_missing(
"Packet",
"UpcallPid",
self.orig_loc,
self.buf.as_ptr() as usize,
))
}
}
impl Packet<'_> {
pub fn new<'a>(buf: &'a [u8]) -> IterablePacket<'a> {
IterablePacket::with_loc(buf, buf.as_ptr() as usize)
}
fn attr_from_type(r#type: u16) -> Option<&'static str> {
let res = match r#type {
1u16 => "Packet",
2u16 => "Key",
3u16 => "Actions",
4u16 => "Userdata",
5u16 => "EgressTunKey",
6u16 => "Unused1",
7u16 => "Unused2",
8u16 => "Probe",
9u16 => "Mru",
10u16 => "Len",
11u16 => "Hash",
12u16 => "UpcallPid",
_ => return None,
};
Some(res)
}
}
#[derive(Clone, Copy, Default)]
pub struct IterablePacket<'a> {
buf: &'a [u8],
pos: usize,
orig_loc: usize,
}
impl<'a> IterablePacket<'a> {
fn with_loc(buf: &'a [u8], orig_loc: usize) -> Self {
Self {
buf,
pos: 0,
orig_loc,
}
}
pub fn get_buf(&self) -> &'a [u8] {
self.buf
}
}
impl<'a> Iterator for IterablePacket<'a> {
type Item = Result<Packet<'a>, ErrorContext>;
fn next(&mut self) -> Option<Self::Item> {
let mut pos;
let mut r#type;
loop {
pos = self.pos;
r#type = None;
if self.buf.len() == self.pos {
return None;
}
let Some((header, next)) = chop_header(self.buf, &mut self.pos) else {
self.pos = self.buf.len();
break;
};
r#type = Some(header.r#type);
let res = match header.r#type {
1u16 => Packet::Packet({
let res = Some(next);
let Some(val) = res else { break };
val
}),
2u16 => Packet::Key({
let res = Some(next);
let Some(val) = res else { break };
val
}),
3u16 => Packet::Actions({
let res = Some(next);
let Some(val) = res else { break };
val
}),
4u16 => Packet::Userdata({
let res = Some(next);
let Some(val) = res else { break };
val
}),
5u16 => Packet::EgressTunKey({
let res = Some(next);
let Some(val) = res else { break };
val
}),
8u16 => Packet::Probe(()),
9u16 => Packet::Mru({
let res = parse_u16(next);
let Some(val) = res else { break };
val
}),
10u16 => Packet::Len({
let res = parse_u32(next);
let Some(val) = res else { break };
val
}),
11u16 => Packet::Hash({
let res = parse_u64(next);
let Some(val) = res else { break };
val
}),
12u16 => Packet::UpcallPid({
let res = parse_u32(next);
let Some(val) = res else { break };
val
}),
n if cfg!(any(test, feature = "deny-unknown-attrs")) => break,
n => continue,
};
return Some(Ok(res));
}
Some(Err(ErrorContext::new(
"Packet",
r#type.and_then(|t| Packet::attr_from_type(t)),
self.orig_loc,
self.buf.as_ptr().wrapping_add(pos) as usize,
)))
}
}
impl<'a> std::fmt::Debug for IterablePacket<'_> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let mut fmt = f.debug_struct("Packet");
for attr in self.clone() {
let attr = match attr {
Ok(a) => a,
Err(err) => {
fmt.finish()?;
f.write_str("Err(")?;
err.fmt(f)?;
return f.write_str(")");
}
};
match attr {
Packet::Packet(val) => fmt.field("Packet", &val),
Packet::Key(val) => fmt.field("Key", &val),
Packet::Actions(val) => fmt.field("Actions", &val),
Packet::Userdata(val) => fmt.field("Userdata", &val),
Packet::EgressTunKey(val) => fmt.field("EgressTunKey", &val),
Packet::Probe(val) => fmt.field("Probe", &val),
Packet::Mru(val) => fmt.field("Mru", &val),
Packet::Len(val) => fmt.field("Len", &val),
Packet::Hash(val) => fmt.field("Hash", &val),
Packet::UpcallPid(val) => fmt.field("UpcallPid", &val),
};
}
fmt.finish()
}
}
impl IterablePacket<'_> {
pub fn lookup_attr(
&self,
offset: usize,
missing_type: Option<u16>,
) -> (Vec<(&'static str, usize)>, Option<&'static str>) {
let mut stack = Vec::new();
let cur = ErrorContext::calc_offset(self.orig_loc, self.buf.as_ptr() as usize);
if missing_type.is_some() && cur == offset {
stack.push(("Packet", offset));
return (stack, missing_type.and_then(|t| Packet::attr_from_type(t)));
}
if cur > offset || cur + self.buf.len() < offset {
return (stack, None);
}
let mut attrs = self.clone();
let mut last_off = cur + attrs.pos;
while let Some(attr) = attrs.next() {
let Ok(attr) = attr else { break };
match attr {
Packet::Packet(val) => {
if last_off == offset {
stack.push(("Packet", last_off));
break;
}
}
Packet::Key(val) => {
if last_off == offset {
stack.push(("Key", last_off));
break;
}
}
Packet::Actions(val) => {
if last_off == offset {
stack.push(("Actions", last_off));
break;
}
}
Packet::Userdata(val) => {
if last_off == offset {
stack.push(("Userdata", last_off));
break;
}
}
Packet::EgressTunKey(val) => {
if last_off == offset {
stack.push(("EgressTunKey", last_off));
break;
}
}
Packet::Probe(val) => {
if last_off == offset {
stack.push(("Probe", last_off));
break;
}
}
Packet::Mru(val) => {
if last_off == offset {
stack.push(("Mru", last_off));
break;
}
}
Packet::Len(val) => {
if last_off == offset {
stack.push(("Len", last_off));
break;
}
}
Packet::Hash(val) => {
if last_off == offset {
stack.push(("Hash", last_off));
break;
}
}
Packet::UpcallPid(val) => {
if last_off == offset {
stack.push(("UpcallPid", last_off));
break;
}
}
_ => {}
};
last_off = cur + attrs.pos;
}
if !stack.is_empty() {
stack.push(("Packet", cur));
}
(stack, None)
}
}
pub struct PushPacket<Prev: Pusher> {
pub(crate) prev: Option<Prev>,
pub(crate) header_offset: Option<usize>,
}
impl<Prev: Pusher> Pusher for PushPacket<Prev> {
fn as_vec_mut(&mut self) -> &mut Vec<u8> {
self.prev.as_mut().unwrap().as_vec_mut()
}
fn as_vec(&self) -> &Vec<u8> {
self.prev.as_ref().unwrap().as_vec()
}
}
impl<Prev: Pusher> PushPacket<Prev> {
pub fn new(prev: Prev) -> Self {
Self {
prev: Some(prev),
header_offset: None,
}
}
pub fn end_nested(mut self) -> Prev {
let mut prev = self.prev.take().unwrap();
if let Some(header_offset) = &self.header_offset {
finalize_nested_header(prev.as_vec_mut(), *header_offset);
}
prev
}
#[doc = "Packet data, from the start of the Ethernet header.\n"]
pub fn push_packet(mut self, value: &[u8]) -> Self {
push_header(self.as_vec_mut(), 1u16, value.len() as u16);
self.as_vec_mut().extend(value);
self
}
#[doc = "Nested [OVS_KEY_ATTR]()\\* attributes, extracted flow key. Defined as\nbinary because the key attribute-set belongs to the ovs_flow family\nspec; cross-spec references are not supported.\n"]
pub fn push_key(mut self, value: &[u8]) -> Self {
push_header(self.as_vec_mut(), 2u16, value.len() as u16);
self.as_vec_mut().extend(value);
self
}
#[doc = "Nested [OVS_ACTION_ATTR]()\\* attributes. Defined as binary for the same\nreason as key.\n"]
pub fn push_actions(mut self, value: &[u8]) -> Self {
push_header(self.as_vec_mut(), 3u16, value.len() as u16);
self.as_vec_mut().extend(value);
self
}
#[doc = "Opaque userspace cookie from OVS_USERSPACE_ATTR_USERDATA.\n"]
pub fn push_userdata(mut self, value: &[u8]) -> Self {
push_header(self.as_vec_mut(), 4u16, value.len() as u16);
self.as_vec_mut().extend(value);
self
}
#[doc = "Nested [OVS_TUNNEL_KEY_ATTR]()\\* for output tunnel metadata.\n"]
pub fn push_egress_tun_key(mut self, value: &[u8]) -> Self {
push_header(self.as_vec_mut(), 5u16, value.len() as u16);
self.as_vec_mut().extend(value);
self
}
#[doc = "Packet operation is a feature probe, error logging suppressed.\n"]
pub fn push_probe(mut self, value: ()) -> Self {
push_header(self.as_vec_mut(), 8u16, 0 as u16);
self
}
#[doc = "Maximum received IP fragment size.\n"]
pub fn push_mru(mut self, value: u16) -> Self {
push_header(self.as_vec_mut(), 9u16, 2 as u16);
self.as_vec_mut().extend(value.to_ne_bytes());
self
}
#[doc = "Packet size before truncation.\n"]
pub fn push_len(mut self, value: u32) -> Self {
push_header(self.as_vec_mut(), 10u16, 4 as u16);
self.as_vec_mut().extend(value.to_ne_bytes());
self
}
#[doc = "Packet hash, low 32 bits are skb hash, upper bits are flags.\n"]
pub fn push_hash(mut self, value: u64) -> Self {
push_header(self.as_vec_mut(), 11u16, 8 as u16);
self.as_vec_mut().extend(value.to_ne_bytes());
self
}
#[doc = "Netlink PID to use for upcalls during EXECUTE processing.\n"]
pub fn push_upcall_pid(mut self, value: u32) -> Self {
push_header(self.as_vec_mut(), 12u16, 4 as u16);
self.as_vec_mut().extend(value.to_ne_bytes());
self
}
}
impl<Prev: Pusher> Drop for PushPacket<Prev> {
fn drop(&mut self) {
if let Some(prev) = &mut self.prev {
if let Some(header_offset) = &self.header_offset {
finalize_nested_header(prev.as_vec_mut(), *header_offset);
}
}
}
}
#[doc = "Apply actions to a packet.\n\nRequest attributes:\n- [.push_packet()](PushPacket::push_packet)\n- [.push_key()](PushPacket::push_key)\n- [.push_actions()](PushPacket::push_actions)\n- [.push_probe()](PushPacket::push_probe)\n- [.push_mru()](PushPacket::push_mru)\n- [.push_hash()](PushPacket::push_hash)\n- [.push_upcall_pid()](PushPacket::push_upcall_pid)\n\n"]
#[derive(Debug)]
pub struct OpExecuteDo<'r> {
request: Request<'r>,
}
impl<'r> OpExecuteDo<'r> {
pub fn new(mut request: Request<'r>, header: &OvsHeader) -> Self {
Self::write_header(request.buf_mut(), header);
Self { request: request }
}
pub fn encode_request<'buf>(
buf: &'buf mut Vec<u8>,
header: &OvsHeader,
) -> PushPacket<&'buf mut Vec<u8>> {
Self::write_header(buf, header);
PushPacket::new(buf)
}
pub fn encode(&mut self) -> PushPacket<&mut Vec<u8>> {
PushPacket::new(self.request.buf_mut())
}
pub fn into_encoder(self) -> PushPacket<RequestBuf<'r>> {
PushPacket::new(self.request.buf)
}
pub fn decode_request<'a>(buf: &'a [u8]) -> (OvsHeader, IterablePacket<'a>) {
let (header, attrs) = buf.split_at(buf.len().min(OvsHeader::len()));
(
OvsHeader::new_from_slice(header).unwrap_or_default(),
IterablePacket::with_loc(attrs, buf.as_ptr() as usize),
)
}
fn write_header<Prev: Pusher>(prev: &mut Prev, header: &OvsHeader) {
prev.as_vec_mut().extend(header.as_slice());
}
}
impl NetlinkRequest for OpExecuteDo<'_> {
fn protocol(&self) -> Protocol {
Protocol::Generic("ovs_packet".as_bytes())
}
fn flags(&self) -> u16 {
self.request.flags
}
fn payload(&self) -> &[u8] {
self.request.buf()
}
type ReplyType<'buf> = (OvsHeader, IterablePacket<'buf>);
fn decode_reply<'buf>(buf: &'buf [u8]) -> Self::ReplyType<'buf> {
Self::decode_request(buf)
}
fn lookup(
buf: &[u8],
offset: usize,
missing_type: Option<u16>,
) -> (Vec<(&'static str, usize)>, Option<&'static str>) {
Self::decode_request(buf)
.1
.lookup_attr(offset, missing_type)
}
}
use crate::traits::LookupFn;
use crate::utils::RequestBuf;
#[derive(Debug)]
pub struct Request<'buf> {
buf: RequestBuf<'buf>,
flags: u16,
writeback: Option<&'buf mut Option<RequestInfo>>,
}
#[allow(unused)]
#[derive(Debug, Clone)]
pub struct RequestInfo {
protocol: Protocol,
flags: u16,
name: &'static str,
lookup: LookupFn,
}
impl Request<'static> {
pub fn new() -> Self {
Self::new_from_buf(Vec::new())
}
pub fn new_from_buf(buf: Vec<u8>) -> Self {
Self {
flags: 0,
buf: RequestBuf::Own(buf),
writeback: None,
}
}
pub fn into_buf(self) -> Vec<u8> {
match self.buf {
RequestBuf::Own(buf) => buf,
_ => unreachable!(),
}
}
}
impl<'buf> Request<'buf> {
pub fn new_with_buf(buf: &'buf mut Vec<u8>) -> Self {
buf.clear();
Self::new_extend(buf)
}
pub fn new_extend(buf: &'buf mut Vec<u8>) -> Self {
Self {
flags: 0,
buf: RequestBuf::Ref(buf),
writeback: None,
}
}
fn do_writeback(&mut self, protocol: Protocol, name: &'static str, lookup: LookupFn) {
let Some(writeback) = &mut self.writeback else {
return;
};
**writeback = Some(RequestInfo {
protocol,
flags: self.flags,
name,
lookup,
})
}
pub fn buf(&self) -> &Vec<u8> {
self.buf.buf()
}
pub fn buf_mut(&mut self) -> &mut Vec<u8> {
self.buf.buf_mut()
}
#[doc = "Set `NLM_F_CREATE` flag"]
pub fn set_create(mut self) -> Self {
self.flags |= consts::NLM_F_CREATE as u16;
self
}
#[doc = "Set `NLM_F_EXCL` flag"]
pub fn set_excl(mut self) -> Self {
self.flags |= consts::NLM_F_EXCL as u16;
self
}
#[doc = "Set `NLM_F_REPLACE` flag"]
pub fn set_replace(mut self) -> Self {
self.flags |= consts::NLM_F_REPLACE as u16;
self
}
#[doc = "Set `NLM_F_CREATE` and `NLM_F_REPLACE` flag"]
pub fn set_change(self) -> Self {
self.set_create().set_replace()
}
#[doc = "Set `NLM_F_APPEND` flag"]
pub fn set_append(mut self) -> Self {
self.flags |= consts::NLM_F_APPEND as u16;
self
}
#[doc = "Set `self.flags |= flags`"]
pub fn set_flags(mut self, flags: u16) -> Self {
self.flags |= flags;
self
}
#[doc = "Set `self.flags ^= self.flags & flags`"]
pub fn unset_flags(mut self, flags: u16) -> Self {
self.flags ^= self.flags & flags;
self
}
#[doc = "Apply actions to a packet.\n\nRequest attributes:\n- [.push_packet()](PushPacket::push_packet)\n- [.push_key()](PushPacket::push_key)\n- [.push_actions()](PushPacket::push_actions)\n- [.push_probe()](PushPacket::push_probe)\n- [.push_mru()](PushPacket::push_mru)\n- [.push_hash()](PushPacket::push_hash)\n- [.push_upcall_pid()](PushPacket::push_upcall_pid)\n\n"]
pub fn op_execute_do(self, header: &OvsHeader) -> OpExecuteDo<'buf> {
let mut res = OpExecuteDo::new(self, header);
res.request
.do_writeback(res.protocol(), "op-execute-do", OpExecuteDo::lookup);
res
}
}
#[cfg(test)]
mod generated_tests {
use super::*;
#[test]
fn tests() {
let _ = PushPacket::<&mut Vec<u8>>::push_actions;
let _ = PushPacket::<&mut Vec<u8>>::push_hash;
let _ = PushPacket::<&mut Vec<u8>>::push_key;
let _ = PushPacket::<&mut Vec<u8>>::push_mru;
let _ = PushPacket::<&mut Vec<u8>>::push_packet;
let _ = PushPacket::<&mut Vec<u8>>::push_probe;
let _ = PushPacket::<&mut Vec<u8>>::push_upcall_pid;
}
}