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Start preparing loader for xdpfw-add (rule_add) and xdpfw-del (rule_del) programs.

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This commit is contained in:
Christian Deacon
2025-02-27 16:25:26 -05:00
parent 36e7bc819a
commit c5629a8603
9 changed files with 820 additions and 227 deletions
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18
src/loader/utils/xdp.h
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@@ -4,14 +4,26 @@
#include <common/all.h>
#include <loader/utils/cmdline.h>
#include <loader/utils/config.h>
#include <loader/utils/helpers.h>
#define XDP_OBJ_PATH "/etc/xdpfw/xdp_prog.o"
#define XDP_MAP_PIN_DIR "/sys/fs/bpf/xdpfw"
int FindMapFd(struct xdp_program *prog, const char *map_name);
void SetLibBPFLogMode(int silent);
struct xdp_program *LoadBpfObj(const char *file_name);
int AttachXdp(struct xdp_program *prog, char** mode, int ifidx, u8 detach, cmdline_t *cmd);
void UpdateFilters(int map_filters, config__t *cfg);
struct bpf_object* GetBpfObj(struct xdp_program* prog);
int AttachXdp(struct xdp_program *prog, char** mode, int ifidx, int detach, int force_skb, int force_offload);
int DeleteFilter(int map_filters, u32 idx);
void DeleteFilters(int map_filters);
int UpdateFilter(int map_filters, filter_t* filter, int idx);
void UpdateFilters(int map_filters, config__t *cfg);
int PinBpfMap(struct bpf_object* obj, const char* pin_dir, const char* map_name);
int UnpinBpfMap(struct bpf_object* obj, const char* pin_dir, const char* map_name);
int GetMapPinFd(const char* pin_dir, const char* map_name);