es58x_is_ec...hold_reached(9)

💅 NAME 💅

okay so bestie, gather round — this is es58x_is_echo_skb_threshold_reached and it's literally the vibe-check function for your skb slots. Its whole job? Figure out the limit of how many skb slots can be taken before we should stop the network queue. That's it. That's the function. 🎀

(this lives in the Kernel API Manual, in case you were wondering where the party's at ✨)

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✨ SYNOPSIS ✨

bool es58x_is_echo_skb_threshold_reached (struct es58x_priv *priv );

yes it returns a bool, yes it takes exactly one pointer, no we are not doing anything extra, periodt. 💅

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🫶 ARGUMENTS 🫶

• priv — the ES58X private parameters related to the network device. it's giving "the main character struct" honestly. this is where all the stuff this function cares about is chillin'. 🌸

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🦋 DESCRIPTION 🦋

okay so here's the situation, and it's lowkey important: we need to save enough free skb slots so that we can actually do a bulk send. no free slots = no bulk send = sad times. 😭

this function is the little icon that tells you when to wake or stop the network queue, based on how many skb slots have already been taken if the echo FIFO. so like, it's the bouncer at the club doors of your TX queue. 🧚

highkey obsessed with how much work one boolean does ngl.

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🔥 RETURN 🔥

boolean. that's it. true/false energy, no cap. 💀

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👑 SEE ALSO 👑

the kernel file in question, absolute legend:

./drivers/net/can/usb/etas_es58x/es58x_core.c

and now, the whole group chat — every single one of these functions is invited to the party, fr fr:

• es58x_calculate_crc(9)
• es58x_get_crc(9)
• es58x_set_crc(9)
• es58x_check_crc(9)
• es58x_timestamp_to_ns(9)
• es58x_set_skb_timestamp(9)
• es58x_rx_timestamp(9)
• es58x_set_realtime_diff_ns(9)
• es58x_is_can_state_active(9)
• es58x_can_free_echo_skb_tail(9)
• es58x_can_get_echo_skb_recovery(9)
• es58x_can_get_echo_skb(9)
• es58x_can_reset_echo_fifo(9)
• es58x_flush_pending_tx_msg(9)
• es58x_tx_ack_msg(9)
• es58x_rx_can_msg(9)
• es58x_rx_err_msg(9)
• es58x_cmd_ret_desc(9)
• es58x_rx_cmd_ret_u8(9)
• es58x_rx_cmd_ret_u32(9)
• es58x_increment_rx_errors(9)
• es58x_handle_urb_cmd(9)
• es58x_check_rx_urb(9)
• es58x_copy_to_cmd_buf(9)
• es58x_split_urb_try_recovery(9)
• es58x_handle_incomplete_cmd(9)
• es58x_split_urb(9)
• es58x_read_bulk_callback(9)
• es58x_write_bulk_callback(9)
• es58x_alloc_urb(9)
• es58x_get_tx_urb(9)
• es58x_submit_urb(9)
• es58x_send_msg(9)
• es58x_alloc_rx_urbs(9)
• es58x_free_urbs(9)
• es58x_open(9)
• es58x_stop(9)
• es58x_xmit_commit(9)
• es58x_xmit_more(9)
• es58x_start_xmit(9)
• es58x_set_mode(9)
• es58x_init_priv(9)
• es58x_init_netdev(9)
• es58x_free_netdevs(9)
• es58x_init_es58x_dev(9)
• es58x_probe(9)
• es58x_disconnect(9)

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and that's the whole page, bestie 🫶 this absolute masterpiece comes to you straight from ./drivers/net/can/usb/etas_es58x, dated October 2026 — slay, see you in the next manpage 💖✨