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improve: add missing eBPF maps parameters. #405

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merged 2 commits into from
Oct 14, 2023
Merged

improve: add missing eBPF maps parameters. #405

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a793a34
improve: add missing parameters.
cfc4n Oct 14, 2023
c998084
fix veristat test failed.
cfc4n Oct 14, 2023
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3 changes: 3 additions & 0 deletions kern/bash_kern.c
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,9 @@ struct event {

struct {
__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
__uint(key_size, sizeof(u32));
__uint(value_size, sizeof(u32));
__uint(max_entries, 1024);
} events SEC(".maps");

struct {
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3 changes: 3 additions & 0 deletions kern/boringssl_masterkey.h
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Expand Up @@ -83,6 +83,9 @@ struct ssl3_handshake_st {
// bpf map
struct {
__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
__uint(key_size, sizeof(u32));
__uint(value_size, sizeof(u32));
__uint(max_entries, 1024);
} mastersecret_events SEC(".maps");

struct {
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3 changes: 3 additions & 0 deletions kern/gnutls_kern.c
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,9 @@ struct ssl_data_event_t {

struct {
__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
__uint(key_size, sizeof(u32));
__uint(value_size, sizeof(u32));
__uint(max_entries, 1024);
} gnutls_events SEC(".maps");

/***********************************************************
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6 changes: 6 additions & 0 deletions kern/gotls_kern.c
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Original file line number Diff line number Diff line change
Expand Up @@ -52,10 +52,16 @@ struct mastersecret_gotls_t {
// bpf map
struct {
__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
__uint(key_size, sizeof(u32));
__uint(value_size, sizeof(u32));
__uint(max_entries, 1024);
} mastersecret_go_events SEC(".maps");

struct {
__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
__uint(key_size, sizeof(u32));
__uint(value_size, sizeof(u32));
__uint(max_entries, 1024);
} events SEC(".maps");

struct {
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3 changes: 3 additions & 0 deletions kern/mysqld_kern.c
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,9 @@ struct {

struct {
__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
__uint(key_size, sizeof(u32));
__uint(value_size, sizeof(u32));
__uint(max_entries, 1024);
} events SEC(".maps");

SEC("uprobe/dispatch_command")
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3 changes: 3 additions & 0 deletions kern/nspr_kern.c
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Expand Up @@ -28,6 +28,9 @@ struct ssl_data_event_t {

struct {
__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
__uint(key_size, sizeof(u32));
__uint(value_size, sizeof(u32));
__uint(max_entries, 1024);
} nspr_events SEC(".maps");

/***********************************************************
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3 changes: 3 additions & 0 deletions kern/postgres_kern.c
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Expand Up @@ -23,6 +23,9 @@ struct data_t {

struct {
__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
__uint(key_size, sizeof(u32));
__uint(value_size, sizeof(u32));
__uint(max_entries, 1024);
} events SEC(".maps");

// https://github.com/postgres/postgres/blob/7b7ed046cb2ad9f6efac90380757d5977f0f563f/src/backend/tcop/postgres.c#L987-L992
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4 changes: 2 additions & 2 deletions kern/tc.h
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Expand Up @@ -223,13 +223,13 @@ static __always_inline int capture_packets(struct __sk_buff *skb, bool is_ingres
}

// egress_cls_func is called for packets that are going out of the network
SEC("classifier/egress")
SEC("classifier")
int egress_cls_func(struct __sk_buff *skb) {
return capture_packets(skb, false);
};

// ingress_cls_func is called for packets that are coming into the network
SEC("classifier/ingress")
SEC("classifier")
int ingress_cls_func(struct __sk_buff *skb) {
return capture_packets(skb, true);
};
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