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Initial commit for tc root chaining enhancements
Signed-off-by: Santhosh Fernandes <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,36 +1,23 @@ | ||
| // Copyright Contributors to the L3AF Project. | ||
| // SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) | ||
|
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| #define KBUILD_MODNAME "foo" | ||
|
|
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| #include <uapi/linux/bpf.h> | ||
| #include "bpf_helpers.h" | ||
| #include "tc_root_common.h" | ||
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| struct bpf_elf_map SEC("maps") tc_egress_root_pass_array = { | ||
| .type = BPF_MAP_TYPE_PROG_ARRAY, | ||
| .size_key = sizeof(int), | ||
| .size_value = sizeof(int), | ||
| .pinning = PIN_GLOBAL_NS, | ||
| .max_elem = ROOT_ARRAY_SIZE, | ||
| }; | ||
| struct { | ||
| __uint(type, BPF_MAP_TYPE_PROG_ARRAY); | ||
| __type(key, int); | ||
| __type(value, int); | ||
| __uint(max_entries, ROOT_ARRAY_SIZE); | ||
| } tc_egress_root_array SEC(".maps"); | ||
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| struct bpf_elf_map SEC("maps") tc_egress_root_array = { | ||
| .type = BPF_MAP_TYPE_PROG_ARRAY, | ||
| .size_key = sizeof(int), | ||
| .size_value = sizeof(int), | ||
| .pinning = PIN_GLOBAL_NS, | ||
| .max_elem = ROOT_ARRAY_SIZE, | ||
| }; | ||
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| SEC("tc-egress-root") | ||
| int tc_egress_root(struct __sk_buff *skb) { | ||
| bpf_tail_call(skb, &tc_egress_root_pass_array, 0); | ||
| return TC_ACT_OK; | ||
| } | ||
|
|
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| SEC("tc-egress-pass-through") | ||
| int tc_egress_pass_through(struct __sk_buff *skb) { | ||
| bpf_tail_call(skb, &tc_egress_root_array, 0); | ||
| return TC_ACT_OK; | ||
| bpf_tail_call(skb, &tc_egress_root_array, 0); | ||
| return TC_ACT_OK; | ||
| } | ||
|
|
||
| char _license[] SEC("license") = "Dual BSD/GPL"; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,36 +1,30 @@ | ||
| // Copyright Contributors to the L3AF Project. | ||
| // SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) | ||
|
|
||
| #define KBUILD_MODNAME "foo" | ||
|
|
||
| #include <uapi/linux/bpf.h> | ||
| #include "bpf_helpers.h" | ||
| #include "tc_root_common.h" | ||
|
|
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| struct bpf_elf_map SEC("maps") tc_ingress_root_pass_array = { | ||
| .type = BPF_MAP_TYPE_PROG_ARRAY, | ||
| .size_key = sizeof(int), | ||
| .size_value = sizeof(int), | ||
| .pinning = PIN_GLOBAL_NS, | ||
| .max_elem = ROOT_ARRAY_SIZE, | ||
| }; | ||
|
|
||
| struct bpf_elf_map SEC("maps") tc_ingress_root_array = { | ||
| .type = BPF_MAP_TYPE_PROG_ARRAY, | ||
| .size_key = sizeof(int), | ||
| .size_value = sizeof(int), | ||
| .pinning = PIN_GLOBAL_NS, | ||
| .max_elem = ROOT_ARRAY_SIZE, | ||
| }; | ||
|
|
||
| #define bpf_printk(fmt, ...) \ | ||
| ({ \ | ||
| char ____fmt[] = fmt; \ | ||
| bpf_trace_printk(____fmt, sizeof(____fmt), \ | ||
| ##__VA_ARGS__); \ | ||
| }) | ||
|
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| struct { | ||
| __uint(type, BPF_MAP_TYPE_PROG_ARRAY); | ||
| __type(key, int); | ||
| __type(value, int); | ||
| __uint(max_entries, ROOT_ARRAY_SIZE); | ||
| } tc_ingress_root_array SEC(".maps"); | ||
|
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| SEC("tc-ingress-root") | ||
| int tc_ingress_root(struct __sk_buff *skb) { | ||
| bpf_tail_call(skb, &tc_ingress_root_pass_array, 0); | ||
| return TC_ACT_OK; | ||
| bpf_tail_call(skb, &tc_ingress_root_array, 0); | ||
| return TC_ACT_OK; | ||
| } | ||
|
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| SEC("tc-ingress-pass-through") | ||
| int tc_ingress_pass_through(struct __sk_buff *skb) { | ||
| bpf_tail_call(skb, &tc_ingress_root_array, 0); | ||
| return TC_ACT_OK; | ||
| } | ||
|
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| char _license[] SEC("license") = "Dual BSD/GPL"; |
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