Module net 

Network syscall handlers.

Implements the userspace networking interface: send, recv, and info.

Constants

NET_INLINE_BUF_CAPACITY 🔒

Most Ethernet frames, including ICMP echo, fit comfortably under 2 KiB. Keep those on the stack to avoid hot-path heap churn in net send/recv syscalls.

Statics

DHCP_TRACE_LOG_BUDGET 🔒

Budget for logging DHCP trace frames to prevent log spam.

NET_RECV_ERR_LOG_BUDGET 🔒

Budget for logging network receive errors to prevent log spam.

NET_SEND_ERR_LOG_BUDGET 🔒

Budget for logging network send errors to prevent log spam.

Functions

sys_net_info

SYS_NET_INFO : Query network interface information.

sys_net_recv

SYS_NET_RECV : Receive a raw Ethernet frame.

sys_net_send

SYS_NET_SEND : Transmit a raw Ethernet frame.

trace_dhcp_frame 🔒

Parse and log a raw Ethernet frame if it looks like DHCP.