dst_cache_get(9)

💖 dst_cache_get(9) — Kernel API Manual 💖

🎀 NAME 🎀

dst_cache_get — perform cache lookup. That's the whole gig, bestie, and honestly? Iconic. 💅

---

✨ SYNOPSIS ✨

The signature is giving exactly this, no cap:

struct dst_entry * dst_cache_get (struct dst_cache *dst_cache );

---

🌸 ARGUMENTS 🌸

• dst_cache — the cache. That's it. The one and only argument, and yes, it's literally the cache. 🫶

---

🦋 DESCRIPTION 🦋

Okay so here's the tea: if the caller needs the source address that's gonna be used when xmitting to the cached dst, that's when it should use dst_cache_get_ip4. Simple as that. ✨

🚨 Caveat, bestie: local BH must be disabled. This is not a vibe-check situation — it's literally required. Periodt. 💀

---

💀 SEE ALSO 💀

Kernel file ./include/net/dst_cache.h — that's the home base, iykyk. Then go say hi to the whole squad:

• dst_cache_get_ip4(9)
• dst_cache_set_ip4(9)
• dst_cache_set_ip6(9)
• dst_cache_get_ip6(9)
• dst_cache_reset(9)
• dst_cache_reset_now(9)
• dst_cache_init(9)
• dst_cache_destroy(9)

---

mwah 💋 — source/version is ./include/net, the date is October 2026, and the page is dst_cache_get(9). Bye bestie! 🌈👑