rte_dpaa2_mempool.h(3)

💖 rte_dpaa2_mempool.h — Library Functions Manual 💖

okay bestie, pull up a chair because we're getting into rte_dpaa2_mempool.h, a header from the DPDK library functions manual. it's NXP-specific mempool stuff, and honestly? it's giving "short but important" energy. three functions, all iconic, all here. let's go 🦋

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✨ NAME ✨

rte_dpaa2_mempool.h — like, that's the whole name, no notes, periodt 💅

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🌸 SYNOPSIS 🌸

first things first, you gotta bring in the girlies:

#include <rte_compat.h>
#include <rte_mempool.h>

🎀 Functions

uint16_t rte_dpaa2_mbuf_pool_bpid (struct rte_mempool *mp)

struct rte_mbuf * rte_dpaa2_mbuf_from_buf_addr (struct rte_mempool *mp,
    void *buf_addr)

__rte_internal int rte_dpaa2_bpid_info_init (struct rte_mempool *mp)

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🧚 Detailed Description 🧚

these are the NXP specific mempool related functions. that's the vibe. that's the whole vibe check. ✨

oh and fun fact: this is all defined in the file rte_dpaa2_mempool.h. icon behavior, keeping it in the family 🫶

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👑 Function Documentation 👑

⭐ uint16_t rte_dpaa2_mbuf_pool_bpid (struct rte_mempool * mp)

gets the BPID that corresponds to the packet pool. lowkey the whole point of this one.

Parameters

• mp — the memory pool, bestie

Returns

• the BPID of the buffer pool 💖

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🦋 struct rte_mbuf * rte_dpaa2_mbuf_from_buf_addr (struct rte_mempool * mp, void * buf_addr)

gets you the MBUF from the corresponding buf_addr. it's the glow-up from raw address to full mbuf ✨

Parameters

• mp — the memory pool
• buf_addr — the buf_addr of the mbuf. no wait, let me say it properly: this is the start buffer address of the packet buffer (mbuf). yeah. that one. 🎀

Returns

• MBUF pointer for success 🥳
• NULL in case of error 💀

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🌈 __rte_internal int rte_dpaa2_bpid_info_init (struct rte_mempool * mp)

initializes the rte_dpaa2_bpid_info. in generial — yes, generial, that's what the page says, i'm not fixing it, i'm just reporting — it's called in the secondary process and mp has already been created in the primary process. so like, the primary did the creating, the secondary does the calling. teamwork, fr fr 🤝

Parameters

• mp — the memory pool

Returns

• 0 on success 🌟
• (<0) on failure 😭

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heads up bestie: this function is marked __rte_internal, so it's not out here for just anybody — it's an internal-use situation, iykyk 🔥

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💜 Author 💜

generated automatically by Doxygen for DPDK from the source code. not me writing this by hand, it's literally the machine doing its thing. slay, honestly.

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and that's the whole page, no cap. this was DPDK, Version 25.11.3, serving rte_dpaa2_mempool.h in the (3) section of the library functions manual. mwah, bye bestie 💅💖🌟