usb: class: cdc: Add ECM related macros

include/zephyr/usb/class/usb_cdc.h

@@ -2,6 +2,7 @@
 
 /*
  * Copyright (c) 2017 PHYTEC Messtechnik GmbH
+ * Copyright (c) 2025 - 2026 NXP
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -69,13 +70,22 @@
  * @brief PSTN Subclass Class-Specific Notification Codes
  * @note PSTN120.pdf, 6.5, Table 30
  */
-#define USB_CDC_NETWORK_CONNECTION	0x00
-#define USB_CDC_RESPONSE_AVAILABLE	0x01
-#define USB_CDC_AUX_JACK_HOOK_STATE	0x08
-#define USB_CDC_RING_DETECT		0x09
-#define USB_CDC_SERIAL_STATE		0x20
-#define USB_CDC_CALL_STATE_CHANGE	0x28
-#define USB_CDC_LINE_STATE_CHANGE	0x23
+/** Network connection notification */
+#define USB_CDC_NETWORK_CONNECTION      0x00
+/** Response available notification */
+#define USB_CDC_RESPONSE_AVAILABLE      0x01
+/** Auxiliary jack hook state notification */
+#define USB_CDC_AUX_JACK_HOOK_STATE     0x08
+/** Ring detect notification */
+#define USB_CDC_RING_DETECT             0x09
+/** Serial state notification */
+#define USB_CDC_SERIAL_STATE            0x20
+/** Line state change notification */
+#define USB_CDC_LINE_STATE_CHANGE       0x23
+/** Call state change notification */
+#define USB_CDC_CALL_STATE_CHANGE       0x28
+/** Connection speed change notification */
+#define USB_CDC_CONNECTION_SPEED_CHANGE 0x2A
 
 /**
  * @brief PSTN UART State Bitmap Values
@@ -165,6 +175,72 @@
 #define PACKET_TYPE_ALL_MULTICAST	0x02
 #define PACKET_TYPE_PROMISCUOUS		0x01
 
+/**
+ * @brief ECM Subclass Ethernet Statistics Feature Selector Codes
+ * @note ECM120.pdf, 6.2.5, Table 9
+ */
+
+/** Reserved for future use */
+#define USB_CDC_ECM_STAT_RESERVED               0x00
+/** Frames transmitted without errors */
+#define USB_CDC_ECM_STAT_XMIT_OK                0x01
+/** Frames received without errors */
+#define USB_CDC_ECM_STAT_RCV_OK                 0x02
+/** Frames not transmitted, or transmitted with errors */
+#define USB_CDC_ECM_STAT_XMIT_ERROR             0x03
+/** Frames received with errors */
+#define USB_CDC_ECM_STAT_RCV_ERROR              0x04
+/** Frames missed, no buffers */
+#define USB_CDC_ECM_STAT_RCV_NO_BUFFER          0x05
+/** Directed bytes transmitted without errors */
+#define USB_CDC_ECM_STAT_DIRECTED_BYTES_XMIT    0x06
+/** Directed frames transmitted without errors */
+#define USB_CDC_ECM_STAT_DIRECTED_FRAMES_XMIT   0x07
+/** Multicast bytes transmitted without errors */
+#define USB_CDC_ECM_STAT_MULTICAST_BYTES_XMIT   0x08
+/** Multicast frames transmitted without errors */
+#define USB_CDC_ECM_STAT_MULTICAST_FRAMES_XMIT  0x09
+/** Broadcast bytes transmitted without errors */
+#define USB_CDC_ECM_STAT_BROADCAST_BYTES_XMIT   0x0A
+/** Broadcast frames transmitted without errors */
+#define USB_CDC_ECM_STAT_BROADCAST_FRAMES_XMIT  0x0B
+/** Directed bytes received without errors */
+#define USB_CDC_ECM_STAT_DIRECTED_BYTES_RCV     0x0C
+/** Directed frames received without errors */
+#define USB_CDC_ECM_STAT_DIRECTED_FRAMES_RCV    0x0D
+/** Multicast bytes received without errors */
+#define USB_CDC_ECM_STAT_MULTICAST_BYTES_RCV    0x0E
+/** Multicast frames received without errors */
+#define USB_CDC_ECM_STAT_MULTICAST_FRAMES_RCV   0x0F
+/** Broadcast bytes received without errors */
+#define USB_CDC_ECM_STAT_BROADCAST_BYTES_RCV    0x10
+/** Broadcast frames received without errors */
+#define USB_CDC_ECM_STAT_BROADCAST_FRAMES_RCV   0x11
+/** Frames received with circular redundancy check (CRC) or frame check sequence (FCS) error */
+#define USB_CDC_ECM_STAT_RCV_CRC_ERROR          0x12
+/** Length of transmit queue */
+#define USB_CDC_ECM_STAT_TRANSMIT_QUEUE_LENGTH  0x13
+/** Frames received with alignment error */
+#define USB_CDC_ECM_STAT_RCV_ERROR_ALIGNMENT    0x14
+/** Frames transmitted with one collision */
+#define USB_CDC_ECM_STAT_XMIT_ONE_COLLISION     0x15
+/** Frames transmitted with more than one collision */
+#define USB_CDC_ECM_STAT_XMIT_MORE_COLLISIONS   0x16
+/** Frames transmitted after deferral */
+#define USB_CDC_ECM_STAT_XMIT_DEFERRED          0x17
+/** Frames not transmitted due to collisions */
+#define USB_CDC_ECM_STAT_XMIT_MAX_COLLISIONS    0x18
+/** Frames not received due to overrun */
+#define USB_CDC_ECM_STAT_RCV_OVERRUN            0x19
+/** Frames not transmitted due to underrun */
+#define USB_CDC_ECM_STAT_XMIT_UNDERRUN          0x1A
+/** Frames transmitted with heartbeat failure */
+#define USB_CDC_ECM_STAT_XMIT_HEARTBEAT_FAILURE 0x1B
+/** Times carrier sense signal lost during transmission */
+#define USB_CDC_ECM_STAT_XMIT_TIMES_CRS_LOST    0x1C
+/** Late collisions detected */
+#define USB_CDC_ECM_STAT_XMIT_LATE_COLLISIONS   0x1D
+
 /** Header Functional Descriptor */
 struct cdc_header_descriptor {
 	uint8_t bFunctionLength;