motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-02 23:33:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

ebpf: Added eBPF RSS loader.

Browse source 
Added function that loads RSS eBPF program.
Added stub functions for RSS eBPF loader.
Added meson and configuration options.

By default, eBPF feature enabled if libbpf is present in the build system.
libbpf checked in configuration shell script and meson script.

Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Signed-off-by: Andrew Melnychenko <andrew@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Andrew Melnychenko 2021-05-14 14:48:32 +03:00 • committed by Jason Wang
parent f3fa412de2
commit 46627f41b6
10 changed files with 718 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

44
ebpf/ebpf_rss.h Normal file
View file

@ -0,0 +1,44 @@
/*
* eBPF RSS header
*
* Developed by Daynix Computing LTD (http://www.daynix.com)
*
* Authors:
* Andrew Melnychenko <andrew@daynix.com>
* Yuri Benditovich <yuri.benditovich@daynix.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*/
#ifndef QEMU_EBPF_RSS_H
#define QEMU_EBPF_RSS_H
struct EBPFRSSContext {
void *obj;
int program_fd;
int map_configuration;
int map_toeplitz_key;
int map_indirections_table;
};
struct EBPFRSSConfig {
uint8_t redirect;
uint8_t populate_hash;
uint32_t hash_types;
uint16_t indirections_len;
uint16_t default_queue;
} __attribute__((packed));
void ebpf_rss_init(struct EBPFRSSContext *ctx);
bool ebpf_rss_is_loaded(struct EBPFRSSContext *ctx);
bool ebpf_rss_load(struct EBPFRSSContext *ctx);
bool ebpf_rss_set_all(struct EBPFRSSContext *ctx, struct EBPFRSSConfig *config,
uint16_t *indirections_table, uint8_t *toeplitz_key);
void ebpf_rss_unload(struct EBPFRSSContext *ctx);
#endif /* QEMU_EBPF_RSS_H */