dpsw_if_set_stp(9)

💅 dpsw_if_set_stp(9) — the glow-up

Okay bestie, welcome to the Kernel API Manual page for dpsw_if_set_stp(9). Yes, it's a kernel manpage, yes it's DRM-adjacent (no, not that DRM), and yes we're gonna make it make sense. Grab a boba, this is gonna be cute and also extremely technical. 🧋✨

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✨ NAME ✨

dpsw_if_set_stp — the function that sets the Spanning Tree Protocol (STP) state. Slay. That's literally it, she's a one-line queen. 👑

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🌸 SYNOPSIS 🌸

int dpsw_if_set_stp (struct fsl_mc_io *mc_io , u32 cmd_flags , u16 token
, u16 if_id , const struct dpsw_stp_cfg *cfg );

Yes the spacing is exactly like that, do not come for me, the original ate and we're not touching it. 💖

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🎀 ARGUMENTS 🎀

• mc_io — Pointer to MC portal's I/O object. It's giving "the doorway to the whole management complex," respectfully.
• cmd_flags — Command flags; one or more of 'MC_CMD_FLAG_'. Pick ya flags, bestie.
• token — Token of DPSW object. The lil VIP pass that says which switch we're talking to.
• if_id — Interface Identifier. Which interface, specifically. Not all of them. This one.
• cfg — STP State configuration parameters. The actual vibe you're assigning.

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🦋 DESCRIPTION 🦋

So here's the tea: the following STP states are supported —

• blocking
• listening
• learning
• forwarding
• disabled

That's the whole lineup. Those five states, no more, no less — the way the function knows how to handle each of them is not our problem today, we're just setting the state. 💅

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🌈 RETURN 🌈

Completion status, babes.

• '0' on Success ✨
• Error code otherwise 😭

No in-between, no "it's complicated." Zero or not zero. Iconic behaviour honestly.

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🔥 SEE ALSO 🔥

Okay so this is the part where she name-drops literally everyone at the function. Kernel file ./drivers/net/ethernet/freescale/dpaa2/dpsw.c — go say hi, the whole friend group lives there:

• dpsw_open(9), dpsw_close(9), dpsw_enable(9), dpsw_disable(9), dpsw_reset(9)
• dpsw_set_irq_enable(9), dpsw_set_irq_mask(9), dpsw_get_irq_status(9), dpsw_clear_irq_status(9)
• dpsw_get_attributes(9), dpsw_if_set_link_cfg(9), dpsw_if_get_link_state(9)
• dpsw_if_set_tci(9), dpsw_if_get_tci(9), dpsw_if_get_counter(9)
• dpsw_if_enable(9), dpsw_if_disable(9), dpsw_if_get_attributes(9), dpsw_if_set_max_frame_length(9)
• dpsw_vlan_add(9), dpsw_vlan_add_if(9), dpsw_vlan_add_if_untagged(9), dpsw_vlan_remove_if(9), dpsw_vlan_remove_if_untagged(9), dpsw_vlan_remove(9)
• dpsw_fdb_add(9), dpsw_fdb_remove(9), dpsw_fdb_add_unicast(9), dpsw_fdb_dump(9), dpsw_fdb_remove_unicast(9), dpsw_fdb_add_multicast(9), dpsw_fdb_remove_multicast(9)
• dpsw_ctrl_if_get_attributes(9), dpsw_ctrl_if_set_pools(9), dpsw_ctrl_if_set_queue(9), dpsw_get_api_version(9)
• dpsw_if_get_port_mac_addr(9), dpsw_ctrl_if_enable(9), dpsw_ctrl_if_disable(9)
• dpsw_set_egress_flood(9), dpsw_if_set_learning_mode(9)
• dpsw_acl_add(9), dpsw_acl_remove(9), dpsw_acl_add_if(9), dpsw_acl_remove_if(9), dpsw_acl_prepare_entry_cfg(9), dpsw_acl_add_entry(9), dpsw_acl_remove_entry(9)
• dpsw_set_reflection_if(9), dpsw_if_add_reflection(9), dpsw_if_remove_reflection(9)
• dpsw_lag_set(9), dpsw_if_set_lag_state(9)

That's the whole group chat, everyone's invited. 🫶

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Fr fr though: if you need to know what those five STP states do behaviour-wise, this page doesn't say, and I'm not gonna make it up. Read the code, bestie. 🙈

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And that's a wrap! This page came to you from the source ./drivers/net/ethernet/freesca... (yes it's truncated in the original, no I will not be completing it, that's not my business 💀), dated October 2026, and it's filed under dpsw_if_set_stp(9). Go forth and set those STP states, main character. 🎀✨💜