Error Codes
All the possible error codes returned by the µC/TCP-IP stack are defined in net_err.h. Please refer to net_err.h for more details on any specific error code. Each error has a numerical value. The error codes are grouped. The definition of the groups are:
| Error code group | Numbering Series |
|---|---|
| NETWORK-GENERIC | 1-99 |
| NETWORK-INIT | 100 |
| NETWORK UTILITY LIBRARY | 200 |
| ASCII LIBRARY | 300 |
| NETWORK STATISTIC MANAGEMENT | 400 |
| NETWORK TIMER MANAGEMENT | 500 |
| NETWORK BUFFER MANAGEMENT | 600 |
| NETWORK CONNECTION MANAGEMENT | 700 |
| NETWORK BOARD SUPPORT PACKAGE (BSP) | 1000 |
| NETWORK DEVICE | 2000 |
| NETWORK PHYSICAL LAYER | 3000 |
| WIRELESS MANAGER LAYER | 4000 |
| WIRELESS LAYER | 5000 |
| NETWORK INTERFACE LAYER | 6000 |
| CACHE LAYER | 7000 |
| ARP LAYER | 8000 |
| NETWORK MANAGEMENT LAYER | 9000 |
| IPv4 LAYER | 10000 |
| IPv6 LAYER | 11000 |
| ICMP LAYER | 12000 |
| ICMPv4 LAYER | 13000 |
| ICMPv6 LAYER | 14000 |
| NDP LAYER | 15000 |
| IGMP LAYER | 16000 |
| MLDP LAYER | 17000 |
| UDP LAYER | 18000 |
| TCP LAYER | 19000 |
| NETWORK SOCKET LAYER | 20000 |
| APPLICATION LAYER | 21000 |
| NETWORK SECURITY LAYER | 22000 |