include/net/codel_qdisc.h

File Facts

System

Linux kernel

Corpus path

include/net/codel_qdisc.h

Extension

.h

Size

3024 bytes

Lines

78

Domain

Networking Core

Bucket

Sockets, Protocols, Packet Path, And Network Policy

Inferred role

Networking Core: implementation source

Status

source implementation candidate

Why This File Exists

Networking stack implementation surface: socket APIs, protocol dispatch, packet flow, routing, filtering, and network namespaces.

• Networking stack implementation surface: socket APIs, protocol dispatch, packet flow, routing, filtering, and network namespaces.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• net/codel.h
• net/pkt_sched.h

Detected Declarations

• struct codel_skb_cb
• function codel_get_enqueue_time
• function codel_set_enqueue_time

Annotated Snippet

struct codel_skb_cb {
	codel_time_t enqueue_time;
	unsigned int mem_usage;
};

static struct codel_skb_cb *get_codel_cb(const struct sk_buff *skb)
{
	qdisc_cb_private_validate(skb, sizeof(struct codel_skb_cb));
	return (struct codel_skb_cb *)qdisc_skb_cb(skb)->data;
}

static codel_time_t codel_get_enqueue_time(const struct sk_buff *skb)
{
	return get_codel_cb(skb)->enqueue_time;
}

static void codel_set_enqueue_time(struct sk_buff *skb)
{
	get_codel_cb(skb)->enqueue_time = codel_get_time();
}

#endif

Annotation

• Immediate include surface: `net/codel.h`, `net/pkt_sched.h`.
• Detected declarations: `struct codel_skb_cb`, `function codel_get_enqueue_time`, `function codel_set_enqueue_time`.
• Atlas domain: Networking Core / Sockets, Protocols, Packet Path, And Network Policy.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.