ksz_port_get_apptrust(9)

📦 version 7.3.1, in nixpkgs unstable

💖 ksz_port_get_apptrust — the glow-up guide 💖

okay so bestie, this is a page from the Kernel API Manual (section 9, the kernel-functions one, iykyk) and it's literally all about ksz_port_get_apptrust. yes that's a mouthful, yes she's iconic, let's go ✨

🌸 NAME 🌸

ksz_port_get_apptrust — retrieves the apptrust selectors for a port on a KSZ switch 🎀

like, it goes and gets the apptrust selectors. for a port. on a KSZ switch. that's the whole vibe fr fr.

✨ SYNOPSIS ✨

int ksz_port_get_apptrust (struct dsa_switch *ds , int port , u8 *sel ,
int *nsel );

returns an int, takes four things, no cap 💅

🦋 ARGUMENTS 🦋

  • ds — pointer to the DSA switch structure. yes, the whole switch. she's the main character here 👑
  • port — the port number you want the apptrust selectors for. pick your fave port 🍓
  • sel — array where the apptrust selectors get stored. this is where the good stuff lands 💖
  • nsel — number of apptrust selectors in the array. the headcount, basically 🌈

💜 DESCRIPTION 💜

so what does she actually do? this function fetches the apptrust selectors for the specified port on a KSZ switch. that's it, that's the plot. short and slay ✨

🔥 RETURN 🔥

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

🌟 SEE ALSO 🌟

the kernel file lives right here, go look at her:

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

and here's the whole friend group, all of them, no skipping 🫶

ngl bestie, everything above is straight from the source — I didn't invent a single flag, value, or behaviour. if it's not on this page, it's not real 💀

🎀 okay that's the whole page, mwah 💋 — this one's from the kernel source tree at ./drivers/net/dsa/microchip, dated October 2026, filed under the Kernel API Manual as ksz_port_get_apptrust(9). go get those apptrust selectors, queen 👑✨🦋

📦 where this page comes from