[pve-devel] [PATCH proxmox-ve-rs v4 06/22] frr: add openfabric types

[Gabriel Goller <g.goller@proxmox.com>]

Implement OpenFabric-specific variants of common enums that
encapsulate protocol properties defined in proxmox-network-types. The
primary addition is OpenFabricInterface, which stores
protocol-specific timing parameters: HelloInterval (neighbor discovery
frequency), CsnpInterval (database synchronization frequency), and
HelloMultiplier (neighbor failure detection). Added `is_ipv6` flag to
support FRR's command prefixing requirements during serialization for
IPv6-specific commands (we need to add a 'ipv6' prefix to some
commands).

Signed-off-by: Gabriel Goller <g.goller@proxmox.com>
---
 proxmox-frr/debian/control    |   2 +
 proxmox-frr/src/lib.rs        |   1 +
 proxmox-frr/src/openfabric.rs | 114 ++++++++++++++++++++++++++++++++++
 3 files changed, 117 insertions(+)
 create mode 100644 proxmox-frr/src/openfabric.rs

diff --git a/proxmox-frr/debian/control b/proxmox-frr/debian/control
index 07b4fbe87629..894bfeac8a65 100644
--- a/proxmox-frr/debian/control
+++ b/proxmox-frr/debian/control
@@ -9,6 +9,7 @@ Build-Depends-Arch: cargo:native <!nocheck>,
  librust-anyhow-1+default-dev <!nocheck>,
  librust-itoa-1+default-dev (>= 1.0.9-~~) <!nocheck>,
  librust-proxmox-network-types-0.1+default-dev <!nocheck>,
+ librust-proxmox-sdn-types-0.1+default-dev <!nocheck>,
  librust-serde-1+default-dev <!nocheck>,
  librust-serde-1+derive-dev <!nocheck>,
  librust-serde-with-3+default-dev <!nocheck>,
@@ -30,6 +31,7 @@ Depends:
  librust-anyhow-1+default-dev,
  librust-itoa-1+default-dev (>= 1.0.9-~~),
  librust-proxmox-network-types-0.1+default-dev,
+ librust-proxmox-sdn-types-0.1+default-dev,
  librust-serde-1+default-dev,
  librust-serde-1+derive-dev,
  librust-serde-with-3+default-dev,
diff --git a/proxmox-frr/src/lib.rs b/proxmox-frr/src/lib.rs
index 5e0b34602cf4..ba9eedfb4549 100644
--- a/proxmox-frr/src/lib.rs
+++ b/proxmox-frr/src/lib.rs
@@ -1,3 +1,4 @@
+pub mod openfabric;
 use std::{fmt::Display, str::FromStr};
 
 use serde::{Deserialize, Serialize};
diff --git a/proxmox-frr/src/openfabric.rs b/proxmox-frr/src/openfabric.rs
new file mode 100644
index 000000000000..91c18dc27254
--- /dev/null
+++ b/proxmox-frr/src/openfabric.rs
@@ -0,0 +1,114 @@
+use std::fmt::Debug;
+use std::fmt::Display;
+
+use proxmox_sdn_types::net::Net;
+use serde::{Deserialize, Serialize};
+use serde_with::SerializeDisplay;
+
+use thiserror::Error;
+
+use crate::FrrWord;
+use crate::FrrWordError;
+
+/// The name of a OpenFabric router. Is an FrrWord.
+#[derive(Clone, Debug, PartialEq, Eq, Hash, Deserialize, SerializeDisplay, PartialOrd, Ord)]
+pub struct OpenfabricRouterName(FrrWord);
+
+impl From<FrrWord> for OpenfabricRouterName {
+    fn from(value: FrrWord) -> Self {
+        Self(value)
+    }
+}
+
+impl OpenfabricRouterName {
+    pub fn new(name: FrrWord) -> Self {
+        Self(name)
+    }
+}
+
+impl Display for OpenfabricRouterName {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "openfabric {}", self.0)
+    }
+}
+
+/// All the properties a OpenFabric router can hold.
+///
+/// These can serialized with a " " space prefix as they are in the `router openfabric` block.
+#[derive(Clone, Debug, PartialEq, Eq, Hash, Deserialize, Serialize, PartialOrd, Ord)]
+pub struct OpenfabricRouter {
+    /// The NET address
+    pub net: Net,
+}
+
+impl OpenfabricRouter {
+    pub fn new(net: Net) -> Self {
+        Self { net }
+    }
+
+    pub fn net(&self) -> &Net {
+        &self.net
+    }
+}
+
+/// The OpenFabric properties.
+///
+/// This struct holds all the OpenFabric interface properties. The most important one here is the
+/// fabric_id, which ties the interface to a fabric. When serialized these properties all get
+/// prefixed with a space (" ") as they are inside the interface block. They serialize roughly to:
+///
+/// ```text
+/// interface ens20
+///  ip router openfabric <fabric_id>
+///  ipv6 router openfabric <fabric_id>
+///  openfabric hello-interval <value>
+///  openfabric hello-multiplier <value>
+///  openfabric csnp-interval <value>
+///  openfabric passive <value>
+/// ```
+///
+/// The is_ipv4 and is_ipv6 properties decide if we need to add `ip router openfabric`, `ipv6
+/// router openfabric`, or both. A interface can only be part of a single fabric.
+#[derive(Clone, Debug, PartialEq, Eq, Hash, Deserialize, Serialize, PartialOrd, Ord)]
+pub struct OpenfabricInterface {
+    // Note: an interface can only be a part of a single fabric (so no vec needed here)
+    pub fabric_id: OpenfabricRouterName,
+    pub passive: Option<bool>,
+    pub hello_interval: Option<proxmox_sdn_types::openfabric::HelloInterval>,
+    pub csnp_interval: Option<proxmox_sdn_types::openfabric::CsnpInterval>,
+    pub hello_multiplier: Option<proxmox_sdn_types::openfabric::HelloMultiplier>,
+    pub is_ipv4: bool,
+    pub is_ipv6: bool,
+}
+
+impl OpenfabricInterface {
+    pub fn fabric_id(&self) -> &OpenfabricRouterName {
+        &self.fabric_id
+    }
+    pub fn passive(&self) -> Option<bool> {
+        self.passive
+    }
+    pub fn hello_interval(&self) -> Option<proxmox_sdn_types::openfabric::HelloInterval> {
+        self.hello_interval
+    }
+    pub fn csnp_interval(&self) -> Option<proxmox_sdn_types::openfabric::CsnpInterval> {
+        self.csnp_interval
+    }
+    pub fn hello_multiplier(&self) -> Option<proxmox_sdn_types::openfabric::HelloMultiplier> {
+        self.hello_multiplier
+    }
+    pub fn set_hello_interval(
+        &mut self,
+        interval: impl Into<Option<proxmox_sdn_types::openfabric::HelloInterval>>,
+    ) {
+        self.hello_interval = interval.into();
+    }
+}
+
+#[derive(Error, Debug)]
+pub enum OpenfabricInterfaceError {
+    #[error("Unknown error converting to OpenFabricInterface")]
+    UnknownError,
+    #[error("Error parsing frr word")]
+    FrrWordParse(#[from] FrrWordError),
+}
-- 
2.39.5



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