ksz_port_del_dscp_prio(9)

💅 ksz_port_del_dscp_prio(9) 💅

okay so bestie, welcome to the Kernel API Manual entry for ksz_port_del_dscp_prio — yes that's a whole mouthful, we're getting through it together 🫶

✨ NAME ✨

ksz_port_del_dscp_prio — deletes a DSCP-to-priority mapping entry for a port on a KSZ switch. that's it, that's the whole vibe: one little mapping, gone 💨

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🎀 SYNOPSIS 🎀

int ksz_port_del_dscp_prio (struct dsa_switch *ds , int port , u8 dscp ,
u8 prio );

like, it returns an int, and it takes four things. that's the whole summoning circle ⭐

🦋 ARGUMENTS 🦋

• ds — pointer to the DSA switch structure. your main character struct, fr.
• port — the port number where you wanna delete the DSCP-to-priority mapping entry. which port is getting this little glow-down 💅
• dscp — the DSCP value whose priority you're deleting. yes it's a u8, no we're not arguing about it.
• prio — the priority value to delete. bye bestie 👋

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🌸 RETURN 🌸

• 0 on success 🎉
• a negative error code on failure 😭 (not me getting a negative back)

ngl, always check that return value. 0 is the slay outcome, anything negative means it did NOT eat.

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🌈 SEE ALSO 🌈

the kernel file that's giving source of truth:

• ./drivers/net/dsa/microchip/ksz_dcb.c

and the whole friend group of sibling functions, all of them (9), all of them iconic:

• ksz_get_dscp_prio_reg(9)
• ksz_get_apptrust_map_and_reg(9)
• ksz_port_get_default_prio(9)
• ksz_port_set_default_prio(9)
• ksz_port_get_dscp_prio(9)
• ksz_set_global_dscp_entry(9)
• ksz_init_global_dscp_map(9)
• ksz_port_add_dscp_prio(9)
• ksz_apptrust_error(9)
• ksz_port_set_apptrust_validate(9)
• ksz_port_set_apptrust(9)
• ksz_port_get_apptrust(9)
• ksz_dcb_init_port(9)
• ksz_dcb_init(9)

like…… that's a full roster. iykyk 💜

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and that's the page!! sourced from ./drivers/net/dsa/microchip, dated October 2026 — so go forth, delete that DSCP-to-priority mapping entry, and remember: ds, port, dscp, prio, int, return 0 on success. periodt 👑✨