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/*
* 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
#include "qapi/error.h"
#define EBPF_RSS_MAX_FDS 4
struct EBPFRSSContext {
void *obj;
int program_fd;
int map_configuration;
int map_toeplitz_key;
int map_indirections_table;
/* mapped eBPF maps for direct access to omit bpf_map_update_elem() */
void *mmap_configuration;
void *mmap_toeplitz_key;
void *mmap_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, Error **errp);
bool ebpf_rss_load_fds(struct EBPFRSSContext *ctx, int program_fd,
int config_fd, int toeplitz_fd, int table_fd,
Error **errp);
bool ebpf_rss_set_all(struct EBPFRSSContext *ctx, struct EBPFRSSConfig *config,
uint16_t *indirections_table, uint8_t *toeplitz_key,
Error **errp);
void ebpf_rss_unload(struct EBPFRSSContext *ctx);
#endif /* QEMU_EBPF_RSS_H */
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