Add the necessary header definitions to tools for new msg_pop_data_helper.
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| @@ -2268,6 +2268,19 @@ union bpf_attr { · 2267 unmodified lines | |||
| 2268 | * | 2268 | * |
| 2269 | * Return | 2269 | * Return |
| 2270 | * 0 on success, or a negative error in case of failure. | 2270 | * 0 on success, or a negative error in case of failure. |
| 2271 | * | ||
| 2272 | * int bpf_msg_pop_data(struct sk_msg_buff *msg, u32 start, u32 pop, u64 flags) | ||
| 2273 | * Description | ||
| 2274 | * Will remove *pop* bytes from a *msg* starting at byte *start*. | ||
| 2275 | * This may result in **ENOMEM** errors under certain situations if | ||
| 2276 | * an allocation and copy are required due to a full ring buffer. | ||
| 2277 | * However, the helper will try to avoid doing the allocation | ||
| 2278 | * if possible. Other errors can occur if input parameters are | ||
| 2279 | * invalid either due to *start* byte not being valid part of msg | ||
| 2280 | * payload and/or *pop* value being to large. | ||
| 2281 | * | ||
| 2282 | * Return | ||
| 2283 | * 0 on success, or a negative erro in case of failure. | ||
| 2271 | */ | 2284 | */ |
| 2272 | #define __BPF_FUNC_MAPPER(FN) \ | 2285 | #define __BPF_FUNC_MAPPER(FN) \ |
| 2273 | FN(unspec), \ | 2286 | FN(unspec), \ |
| @@ -2360,7 +2373,8 @@ union bpf_attr { · 86 unmodified lines | |||
| 2360 | FN(map_push_elem), \ | 2373 | FN(map_push_elem), \ |
| 2361 | FN(map_pop_elem), \ | 2374 | FN(map_pop_elem), \ |
| 2362 | FN(map_peek_elem), \ | 2375 | FN(map_peek_elem), \ |
| 2363 | FN(msg_push_data), | 2376 | FN(msg_push_data), \ |
| 2377 | FN(msg_pop_data), | ||
| 2364 | 2378 | ||
| 2365 | /* integer value in 'imm' field of BPF_CALL instruction selects which helper | 2379 | /* integer value in 'imm' field of BPF_CALL instruction selects which helper |
| 2366 | * function eBPF program intends to call | 2380 | * function eBPF program intends to call |