73 lines
2.2 KiB
C
73 lines
2.2 KiB
C
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#ifndef _BPF_CONFIG_USER_H_
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#define _BPF_CONFIG_USER_H_
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <bpf/bpf.h>
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#include <bpf/libbpf.h>
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#include "bpf_config_define.h"
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/******************************************************************************
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* Set By UserSpace
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******************************************************************************/
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static inline int bpf_config_update_map(struct bpf_config *config, struct bpf_object *bpf_obj)
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{
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int bpf_config_map_fd = bpf_object__find_map_fd_by_name(bpf_obj, "bpf_config_map");
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if (bpf_config_map_fd < 0)
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{
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printf("ERROR: Could not find bpf_config_map in bpf object file.\n");
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return -1;
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}
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if (bpf_map_update_elem(bpf_config_map_fd, &config->debug_log.key, &config->debug_log.val, 0))
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{
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printf("ERROR: Could not update bpf_config_map element[%s:%d].\n", config->debug_log.key.str, config->debug_log.val);
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return -1;
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}
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if (bpf_map_update_elem(bpf_config_map_fd, &config->hash_mode.key, &config->hash_mode.val, 0))
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{
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printf("ERROR: Could not update bpf_config_map element[%s:%d].\n", config->hash_mode.key.str, config->hash_mode.val);
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return -1;
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}
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if (bpf_map_update_elem(bpf_config_map_fd, &config->queue_num.key, &config->queue_num.val, 0))
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{
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printf("ERROR: Could not update bpf_config_map element[%s:%d].\n", config->queue_num.key.str, config->queue_num.val);
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return -1;
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}
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return 0;
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}
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static inline void bpf_config_set_debug_log(struct bpf_config *config, __u32 val)
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{
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config->debug_log.val = val;
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memcpy(config->debug_log.key.str, BPF_CONFIG_KEY_DEBUG_LOG, strlen(BPF_CONFIG_KEY_DEBUG_LOG));
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}
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static inline void bpf_config_set_hash_mode(struct bpf_config *config, __u32 val)
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{
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config->hash_mode.val = val;
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memcpy(config->hash_mode.key.str, BPF_CONFIG_KEY_HASH_MODE, strlen(BPF_CONFIG_KEY_HASH_MODE));
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}
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static inline void bpf_config_set_queue_num(struct bpf_config *config, __u32 val)
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{
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config->queue_num.val = val;
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memcpy(config->queue_num.key.str, BPF_CONFIG_KEY_QUEUE_NUM, strlen(BPF_CONFIG_KEY_QUEUE_NUM));
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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