rte_memseg_list(3)
π rte_memseg_list π
okay bestie, welcome to rte_memseg_list(3) β that's the manual name, she's from the DPDK library functions family, and she's literally the struct that holds your memory segment list metadata. let's get into it π«Ά
β¨ NAME β¨
rte_memseg_list
that's it. that's the name. short, iconic, no notes. π
πΈ SYNOPSIS πΈ
first things first, you gotta pull her in:
#include <rte_memory.h>
π Data Fields π
here's the little squad of fields hanging out in the synopsis:
uint64_t page_szint socket_idvolatile uint32_t versionsize_t lenunsigned int externalunsigned int heap
π¦ Detailed Description π¦
so memseg list is lowkey a special case, because we need to store a whole bunch of other data right there together with the array itself. she's not just an array, she's an array and her little accessories. main character energy fr fr. β¨
Definition at line 67 of file rte_memory.h.
π Field Documentation π
π void* base_va
Base virtual address for this memseg list. the origin point, the home base, the where-it-all-starts. π«
Definition at line 69 of file rte_memory.h.
π uint64_t addr_64
Makes sure addr is always 64-bits. she said consistency or nothing, no cap. π₯
Definition at line 71 of file rte_memory.h.
π uint64_t page_sz
Page size for all memsegs in this list. every single one of them. same size. uniform. slay. π
Definition at line 74 of file rte_memory.h.
π int socket_id
Socket ID for all memsegs in this list. where they live, basically. π
Definition at line 75 of file rte_memory.h.
π volatile uint32_t version
version number for multiprocess sync. notice the volatile bestie β she's being watched across processes, she can change on you at any moment, do not get comfy. π
Definition at line 76 of file rte_memory.h.
π size_t len
Length of memory area covered by this memseg list. how much she covers. the reach. the range. π¦
Definition at line 77 of file rte_memory.h.
π unsigned int external
1 if this list points to external memory. just 1. zero or one, that's the whole vibe. π
Definition at line 78 of file rte_memory.h.
π unsigned int heap
1 if this list points to a heap. same deal, 1 means yes. π
Definition at line 79 of file rte_memory.h.
β Author β
Generated automatically by Doxygen for DPDK from the source code. not a human, a machine, and she ate. π€β¨
okay that's the whole page, bestie, you're basically a memseg list expert now, periodt π
this has been rte_memseg_list(3) from the Library Functions Manual, DPDK Version 25.11.3 β mwah, love u, go read some source code ππ¦πΈ
π¦ where this page comes from
- ubuntu resolute: dpdk-doc 25.11.3-0ubuntu0.26.04.1 Β· BSD-3-Clause
- ubuntu stonking: dpdk-doc 25.11.3-1 Β· BSD-3-Clause
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash on : a language model's rewrite of the original, under its terms