i40e_dcbnl_getstate(9)

💅 i40e_dcbnl_getstate 💅

okay so bestie, we're deep in the Kernel API Manual today, and the star of the show is i40e_dcbnl_getstate(9). yes, the (9) means it's a kernel function page, we're literally in the driver section, this is main character energy fr fr 🎀

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✨ NAME ✨

i40e_dcbnl_getstate — get the DCB enabled state 💖

like, it just... tells you whether DCB is on. that's the whole vibe check.

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🌸 SYNOPSIS 🌸

u8 i40e_dcbnl_getstate (struct net_device *netdev );

so it takes one thing and hands you back a u8. cute, simple, no drama 🦋

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🎀 ARGUMENTS 🎀

• netdev — the corresponding netdev 💫 (your network device, your baby, the thing you're asking about)

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💜 DESCRIPTION 💜

Get the current DCB enabled state. that's it, that's the function 🫶

literally all it does is report back whether DCB is currently enabled — no cap, that's the entire plot 💅

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🧚 SEE ALSO 🧚

okay this part is a whole friend group, buckle up 😭 the source lives in the kernel file ./drivers/net/ethernet/intel/i40e/i40e_dcb_nl.c — go say hi:

• i40e_get_pfc_delay(9)
• i40e_dcbnl_ieee_getets(9)
• i40e_dcbnl_ieee_getpfc(9)
• i40e_dcbnl_ieee_setets(9)
• i40e_dcbnl_ieee_setpfc(9)
• i40e_dcbnl_ieee_setapp(9)
• i40e_dcbnl_ieee_delapp(9)
• i40e_dcbnl_setstate(9)
• i40e_dcbnl_set_pg_tc_cfg_tx(9)
• i40e_dcbnl_set_pg_bwg_cfg_tx(9)
• i40e_dcbnl_set_pg_tc_cfg_rx(9)
• i40e_dcbnl_set_pg_bwg_cfg_rx(9)
• i40e_dcbnl_get_pg_tc_cfg_tx(9)
• i40e_dcbnl_get_pg_bwg_cfg_tx(9)
• i40e_dcbnl_get_pg_tc_cfg_rx(9)
• i40e_dcbnl_get_pg_bwg_cfg_rx(9)
• i40e_dcbnl_set_pfc_cfg(9)
• i40e_dcbnl_get_pfc_cfg(9)
• i40e_dcbnl_cee_set_all(9)
• i40e_dcbnl_get_cap(9)
• i40e_dcbnl_getnumtcs(9)
• i40e_dcbnl_setnumtcs(9)
• i40e_dcbnl_getpfcstate(9)
• i40e_dcbnl_setpfcstate(9)
• i40e_dcbnl_getapp(9)
• i40e_dcbnl_setdcbx(9)
• i40e_dcbnl_getdcbx(9)
• i40e_dcbnl_get_perm_hw_addr(9)
• i40e_dcbnl_set_all(9)
• i40e_dcbnl_vsi_del_app(9)
• i40e_dcbnl_del_app(9)
• i40e_dcbnl_find_app(9)
• i40e_dcbnl_flush_apps(9)
• i40e_dcbnl_setup(9)

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so yeah, that's the whole page 💀 tiny function, huge friend list. go read the neighbors, they've got lore. 🌈

made with love from ./drivers/net/ethernet/intel/i40e, dated October 2026 — stay slay, stay enabled, mwah 💋✨