t4vf_alloc_vi(9)

💅 t4vf_alloc_vi(9) — Kernel API Manual

okay so bestie, welcome to the group chat. this page is t4vf_alloc_vi(9), straight out of the Kernel API Manual, and it's literally about giving a port its very own virtual interface. 🎀

---

✨ NAME ✨

t4vf_alloc_vi — allocate a virtual interface on a port

---

🦋 SYNOPSIS 🦋

int t4vf_alloc_vi (struct adapter *adapter , int port_id );

that's it. that's the whole vibe. two args, one int coming back at you. 💖

---

🌸 ARGUMENTS 🌸

• adapter — the adapter. yes, THE adapter. your whole personality here tbh.
• port_id — the physical port associated with the VI. like, which port are we binding this baby to. 🫶

---

💅 DESCRIPTION 💅

okay so what this does: it allocates a new Virtual Interface and binds it to the indicated physical port. main character energy for the VI, fr fr.

on success? you get the new Virtual Interface Identifier returned to you. slay. ✨

on failure? you get a [negative] error number instead. 😭 not the negative error number, but like — that's how you know something went wrong. check it, bestie.

---

👑 SEE ALSO 👑

lowkey the whole friend group is here:

Kernel file ./drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c

• t4vf_record_mbox(9)
• t4vf_wr_mbox_core(9)
• fwcaps16_to_caps32(9)
• fwcap_to_fwspeed(9)
• t4vf_port_init(9)
• t4vf_fw_reset(9)
• t4vf_query_params(9)
• t4vf_set_params(9)
• t4vf_fl_pkt_align(9)
• t4vf_bar2_sge_qregs(9)
• t4vf_get_sge_params(9)
• t4vf_get_vpd_params(9)
• t4vf_get_dev_params(9)
• t4vf_get_rss_glb_config(9)
• t4vf_get_vfres(9)
• t4vf_read_rss_vi_config(9)
• t4vf_write_rss_vi_config(9)
• t4vf_config_rss_range(9)
• t4vf_free_vi(9)
• t4vf_enable_vi(9)
• t4vf_enable_pi(9)
• t4vf_identify_port(9)
• t4vf_set_rxmode(9)
• t4vf_alloc_mac_filt(9)
• t4vf_free_mac_filt(9)
• t4vf_change_mac(9)
• t4vf_set_addr_hash(9)
• t4vf_get_port_stats(9)
• t4vf_iq_free(9)
• t4vf_eth_eq_free(9)
• t4vf_link_down_rc_str(9)
• t4vf_handle_get_port_info(9)
• t4vf_update_port_info(9)
• t4vf_handle_fw_rpl(9)
• t4vf_get_vf_mac_acl(9)
• t4vf_get_vf_vlan_acl(9)

like, read them. all of them. iykyk. 🧚

---

ngl if you're digging through these you're probably deep in cxgb4vf territory — godspeed bestie, drink some water. 💜

---

and that's the page!! 🌈 source vibes came from ./drivers/net/ethernet/chelsio..., dated October 2026, and it's filed under t4vf_alloc_vi(9) — mwah, bye! 🍓💖