ebpf/ebpf_rss.h

   1 /*
   2  * eBPF RSS header
   3  *
   4  * Developed by Daynix Computing LTD (http://www.daynix.com)
   5  *
   6  * Authors:
   7  *  Andrew Melnychenko <andrew@daynix.com>
   8  *  Yuri Benditovich <yuri.benditovich@daynix.com>
   9  *
  10  * This work is licensed under the terms of the GNU GPL, version 2.  See
  11  * the COPYING file in the top-level directory.
  12  */
  13
  14 #ifndef QEMU_EBPF_RSS_H
  15 #define QEMU_EBPF_RSS_H
  16
  17 struct EBPFRSSContext {
  18     void *obj;
  19     int program_fd;
  20     int map_configuration;
  21     int map_toeplitz_key;
  22     int map_indirections_table;
  23 };
  24
  25 struct EBPFRSSConfig {
  26     uint8_t redirect;
  27     uint8_t populate_hash;
  28     uint32_t hash_types;
  29     uint16_t indirections_len;
  30     uint16_t default_queue;
  31 } __attribute__((packed));
  32
  33 void ebpf_rss_init(struct EBPFRSSContext *ctx);
  34
  35 bool ebpf_rss_is_loaded(struct EBPFRSSContext *ctx);
  36
  37 bool ebpf_rss_load(struct EBPFRSSContext *ctx);
  38
  39 bool ebpf_rss_set_all(struct EBPFRSSContext *ctx, struct EBPFRSSConfig *config,
  40                       uint16_t *indirections_table, uint8_t *toeplitz_key);
  41
  42 void ebpf_rss_unload(struct EBPFRSSContext *ctx);
  43
  44 #endif /* QEMU_EBPF_RSS_H */