gsm_dlci_close(9)

🌸 NAME 🌸

okay so bestie, welcome to gsm_dlci_close(9) from the Kernel API Manual ✨ this one is literally “a DLCI has closed” — that’s the whole name vibe, no cap.

✨ SYNOPSIS ✨

void gsm_dlci_close (struct gsm_dlci *dlci );

🎀 ARGUMENTS 🎀

• dlci — the DLCI that closed. that’s the icon, the main character of this call 💅

🦋 DESCRIPTION 🦋

okay so when a DLCI gets moved into the closed state, this function does the processing. and if there’s an attached tty? it gets hung up. periodt.

bestie, that tty hangup is the whole plot twist — it’s literally in the description 💖

💜 SEE ALSO 💜

the kernel file is ./drivers/tty/n_gsm.c, and the whole linked bestie squad is:

• gsm_fcs_add(9), gsm_fcs_add_block(9), gsm_read_ea(9), gsm_read_ea_val(9), gsm_encode_modem(9)
• gsm_encode_params(9), gsm_register_devices(9), gsm_unregister_devices(9), gsm_print_packet(9), gsm_stuff_frame(9)
• gsm_send(9), gsm_dlci_clear_queues(9), gsm_response(9), gsm_command(9), gsm_data_alloc(9)
• gsm_send_packet(9), gsm_is_flow_ctrl_msg(9), gsm_data_kick(9), __gsm_data_queue(9), gsm_data_queue(9)
• gsm_dlci_data_output(9), gsm_dlci_data_output_framed(9), gsm_dlci_modem_output(9), gsm_dlci_data_sweep(9), gsm_dlci_data_kick(9)
• gsm_control_command(9), gsm_control_reply(9), gsm_process_modem(9), gsm_process_negotiation(9), gsm_control_modem(9)
• gsm_control_negotiation(9), gsm_control_rls(9), gsm_control_message(9), gsm_control_response(9), gsm_control_keep_alive(9)
• gsm_control_transmit(9), gsm_control_retransmit(9), gsm_control_send(9), gsm_control_wait(9), gsm_dlci_open(9)
• gsm_dlci_negotiate(9), gsm_dlci_t1(9), gsm_dlci_begin_open(9), gsm_dlci_set_opening(9), gsm_dlci_set_wait_config(9)
• gsm_dlci_begin_close(9), gsm_dlci_data(9), gsm_dlci_command(9), gsm_kick_timer(9), gsm_dlci_copy_config_values(9)
• gsm_dlci_config(9), gsm_dlci_alloc(9), gsm_dlci_free(9), gsm_dlci_release(9), gsm_queue(9)
• gsm0_receive_state_check_and_fix(9), gsm0_receive(9), gsm1_receive_state_check_and_fix(9), gsm1_receive(9), gsm_error(9)
• gsm_cleanup_mux(9), gsm_activate_mux(9), gsm_free_mux(9), gsm_free_muxr(9), gsm_alloc_mux(9)
• gsmld_output(9), gsmld_write_trigger(9), gsmld_write_task(9), gsmld_attach_gsm(9), gsmld_detach_gsm(9)
• gsmld_flush_buffer(9), gsmld_close(9), gsmld_open(9), gsmld_write_wakeup(9), gsmld_read(9)
• gsmld_write(9), gsmld_poll(9), gsm_modem_upd_via_data(9), gsm_modem_upd_via_msc(9), gsm_modem_update(9)
• gsm_wait_modem_change(9)

and that’s the whole page, bestie 🫶 source is ./drivers/tty, date is October 2026, and this cute little gsm_dlci_close(9) page is out 💅✨