ncsid: Import from gBMC
This is the initial code drop from gBMC.
Google-Bug-Id: 179618516
Upstream: 1e71af914bc8c54d8b91d0a1cf377e2696713c2f
Change-Id: Ic653e8271dacd205e04f2bc713071ef2ec5936a4
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/ncsid/src/net_config.h b/ncsid/src/net_config.h
new file mode 100644
index 0000000..057fcc3
--- /dev/null
+++ b/ncsid/src/net_config.h
@@ -0,0 +1,85 @@
+#pragma once
+
+#include "platforms/nemora/portable/net_types.h"
+
+#include <net_iface.h>
+
+#include <sdbusplus/bus.hpp>
+
+#include <experimental/optional>
+#include <list>
+#include <map>
+#include <optional>
+#include <string>
+#include <vector>
+
+// The API for configuring and querying network.
+
+namespace net
+{
+
+using DBusObjectPath = std::string;
+using DBusService = std::string;
+using DBusInterface = std::string;
+using ObjectTree =
+ std::map<DBusObjectPath, std::map<DBusService, std::vector<DBusInterface>>>;
+
+class ConfigBase
+{
+ public:
+ virtual ~ConfigBase() = default;
+
+ virtual int get_mac_addr(mac_addr_t* mac) = 0;
+
+ virtual int set_mac_addr(const mac_addr_t& mac) = 0;
+
+ // Called each time is_nic_hostless state is sampled.
+ virtual int set_nic_hostless(bool is_nic_hostless) = 0;
+};
+
+// Calls phosphord-networkd
+class PhosphorConfig : public ConfigBase
+{
+ public:
+ explicit PhosphorConfig(const std::string& iface_name);
+
+ // Reads the MAC address from phosphor-networkd interface or internal
+ // cache, and store in the mac pointer.
+ // Returns -1 if failed, 0 if succeeded.
+ int get_mac_addr(mac_addr_t* mac) override;
+
+ // Sets the MAC address over phosphor-networkd, and update internal
+ // cache.
+ // Returns -1 if failed, 0 if succeeded.
+ int set_mac_addr(const mac_addr_t& mac) override;
+
+ virtual int set_nic_hostless(bool is_nic_hostless) override;
+
+ private:
+ sdbusplus::message::message new_networkd_call(sdbusplus::bus::bus* dbus,
+ bool get = false) const;
+
+ const std::string iface_name_;
+ const std::string iface_path_;
+
+ // Stores the currently configured nic state, if previously set
+ std::optional<bool> was_nic_hostless_;
+
+ // The MAC address obtained from NIC.
+ // ncsid will commit this MAC address over DBus to phosphor-networkd
+ // and expect it to be persisted. If actual host MAC address changes or
+ // BMC MAC address is overwritten, a daemon reboot is needed to reset
+ // the MAC.
+ // Initialized to nullopt which evaluates to false. Once a value is
+ // set, bool() evaluates to true.
+ std::experimental::optional<mac_addr_t> shared_host_mac_;
+
+ // List of outstanding pids for config jobs
+ std::list<pid_t> running_pids_;
+
+ // Holds a reference to the bus for issuing commands to update network
+ // config
+ sdbusplus::bus::bus bus;
+};
+
+} // namespace net