tb_switch_is_usb4(9)

✨ tb_switch_is_usb4(9) ✨

okay so this is a page straight out of the Kernel API Manual (yes bestie, the kernel has lore too) and it's about tb_switch_is_usb4 — literally just checking if a switch is USB4 compliant 💅

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🌸 NAME 🌸

tb_switch_is_usb4 — is the switch USB4 compliant

like, that's it. that's the whole vibe check 🎀

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🦋 SYNOPSIS 🦋

bool tb_switch_is_usb4 (const struct tb_switch *sw );

it takes one thing and gives you back a bool, no cap ✨

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💖 ARGUMENTS 💖

• sw — the switch you wanna check, bestie

one argument, zero drama 🫶

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🔥 RETURN 🔥

it hands you back true if sw is a USB4 compliant router — slay, iconic, certified USB4 👑 — and false otherwise 😭

no in-between, no "it's complicated", just vibes on or vibes off.

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💜 SEE ALSO 💜

the friend group 🫶 — everything else living in ./drivers/thunderbolt/tb.h:

• struct tb_nvm(9)
• enum tb_switch_tmu_mode(9)
• struct tb_switch_tmu(9)
• struct tb_switch(9)
• struct tb_bandwidth_group(9)
• struct tb_port(9)
• struct usb4_port(9)
• struct tb_retimer(9)
• struct tb_path_hop(9)
• enum tb_path_port(9)
• struct tb_path(9)
• struct tb_cm_ops(9)
• tb_upstream_port(9)
• tb_is_upstream_port(9)
• tb_port_has_remote(9)
• tb_domain_event(9)
• tb_switch_for_each_port(9)
• tb_switch_downstream_port(9)
• tb_switch_depth(9)
• tb_switch_is_icm(9)
• tb_switch_tmu_is_configured(9)
• tb_switch_tmu_is_enabled(9)
• tb_switch_clx_is_enabled(9)
• tb_port_path_direction_downstream(9)
• tb_for_each_port_on_path(9)
• tb_for_each_upstream_port_on_path(9)
• tb_path_for_each_hop(9)
• tb_downstream_route(9)
• tb_xdomain_downstream_port(9)
• usb4_switch_version(9)
• enum usb4_sb_target(9)
• enum usb4_margin_sw_error_counter(9)
• struct usb4_port_margining_params(9)

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ngl this one's short and sweet — one arg, one bool, one little question answered. periodt 💅

kisses bestie, this page lives in ./drivers/thunderbolt and it was dated October 2026, so yeah — future-coded 🌈⭐ see u in the next manpage 💖🧚