drivers/net/wireless/broadcom/b43legacy/main.c

File Facts

System

Linux kernel

Corpus path

drivers/net/wireless/broadcom/b43legacy/main.c

Extension

.c

Size

111342 bytes

Lines

4035

Domain

Driver Families

Bucket

drivers/net

Inferred role

Driver Families: exported/initcall integration point

Status

integration implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

• Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.
• Exports symbols or registers init work; inspect boot/module ordering and who consumes the exported contract.
• Uses kernel synchronization; read lock ordering, sleepability, and interrupt context assumptions before translating.
• Touches IRQ or DMA behavior; this matters for the representative real-device path.
• Allocates kernel memory; connect allocation flags and lifetime to context constraints.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/delay.h
• linux/init.h
• linux/module.h
• linux/if_arp.h
• linux/etherdevice.h
• linux/firmware.h
• linux/workqueue.h
• linux/sched/signal.h
• linux/skbuff.h
• linux/dma-mapping.h
• linux/slab.h
• net/dst.h
• linux/unaligned.h
• b43legacy.h
• main.h
• debugfs.h
• phy.h
• dma.h
• pio.h
• sysfs.h
• xmit.h
• radio.h

Detected Declarations

• function b43legacy_ratelimit
• function b43legacyinfo
• function b43legacyerr
• function b43legacywarn
• function b43legacydbg
• function b43legacy_ram_write
• function b43legacy_shm_control_word
• function b43legacy_shm_read32
• function b43legacy_shm_read16
• function b43legacy_shm_write32
• function b43legacy_shm_write16
• function b43legacy_hf_read
• function b43legacy_hf_write
• function b43legacy_tsf_read
• function b43legacy_time_lock
• function b43legacy_time_unlock
• function b43legacy_tsf_write_locked
• function b43legacy_tsf_write
• function b43legacy_macfilter_set
• function b43legacy_write_mac_bssid_templates
• function b43legacy_upload_card_macaddress
• function b43legacy_set_slot_time
• function b43legacy_short_slot_timing_enable
• function b43legacy_short_slot_timing_disable
• function b43legacy_synchronize_irq
• function b43legacy_dummy_transmission
• function b43legacy_switch_analog
• function b43legacy_wireless_core_reset
• function handle_irq_transmit_status
• function drain_txstatus_queue
• function b43legacy_jssi_read
• function b43legacy_jssi_write
• function b43legacy_generate_noise_sample
• function b43legacy_calculate_link_quality
• function handle_irq_noise
• function handle_irq_tbtt_indication
• function handle_irq_atim_end
• function handle_irq_pmq
• function b43legacy_write_template_common
• function b43legacy_antenna_to_phyctl
• function b43legacy_write_beacon_template
• function b43legacy_write_probe_resp_plcp
• function b43legacy_write_probe_resp_template
• function b43legacy_upload_beacon0
• function b43legacy_upload_beacon1
• function handle_irq_beacon
• function b43legacy_beacon_update_trigger_work
• function b43legacy_update_templates

Annotated Snippet

module_init(b43legacy_init)
module_exit(b43legacy_exit)

Annotation

• Immediate include surface: `linux/delay.h`, `linux/init.h`, `linux/module.h`, `linux/if_arp.h`, `linux/etherdevice.h`, `linux/firmware.h`, `linux/workqueue.h`, `linux/sched/signal.h`.
• Detected declarations: `function b43legacy_ratelimit`, `function b43legacyinfo`, `function b43legacyerr`, `function b43legacywarn`, `function b43legacydbg`, `function b43legacy_ram_write`, `function b43legacy_shm_control_word`, `function b43legacy_shm_read32`, `function b43legacy_shm_read16`, `function b43legacy_shm_write32`.
• Atlas domain: Driver Families / drivers/net.
• Implementation status: integration implementation candidate.
• Synchronization appears in or near this file; preserve lock ordering, sleepability, and interrupt-context constraints.
• IRQ or DMA behavior appears here, which is relevant to the selected PCIe/NVMe device path.

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.