Function report |
Source Code:kernel\bpf\syscall.c |
Create Date:2022-07-28 12:54:02 |
Last Modify:2022-05-19 18:06:12 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:bpf_prog_query
Proto:static int bpf_prog_query(const union bpf_attr *attr, union bpf_attr __user *uattr)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
const union bpf_attr * | attr | |
union bpf_attr __user * | uattr |
2208 | If Not Check operation authority Then Return -EPERM |
2210 | If helper macro to check that unused fields 'union bpf_attr' are zero (BPF_PROG_QUERY) Then Return -EINVAL |
2212 | If query_flags & ~lags for BPF_PROG_QUERY Then Return -EINVAL |
2216 | Case attach_type == BPF_CGROUP_INET_INGRESS |
2217 | Case attach_type == BPF_CGROUP_INET_EGRESS |
2218 | Case attach_type == BPF_CGROUP_INET_SOCK_CREATE |
2219 | Case attach_type == BPF_CGROUP_INET4_BIND |
2220 | Case attach_type == BPF_CGROUP_INET6_BIND |
2221 | Case attach_type == BPF_CGROUP_INET4_POST_BIND |
2222 | Case attach_type == BPF_CGROUP_INET6_POST_BIND |
2223 | Case attach_type == BPF_CGROUP_INET4_CONNECT |
2224 | Case attach_type == BPF_CGROUP_INET6_CONNECT |
2225 | Case attach_type == BPF_CGROUP_UDP4_SENDMSG |
2226 | Case attach_type == BPF_CGROUP_UDP6_SENDMSG |
2227 | Case attach_type == BPF_CGROUP_UDP4_RECVMSG |
2228 | Case attach_type == BPF_CGROUP_UDP6_RECVMSG |
2229 | Case attach_type == BPF_CGROUP_SOCK_OPS |
2230 | Case attach_type == BPF_CGROUP_DEVICE |
2231 | Case attach_type == BPF_CGROUP_SYSCTL |
2232 | Case attach_type == BPF_CGROUP_GETSOCKOPT |
2233 | Case attach_type == BPF_CGROUP_SETSOCKOPT |
2234 | Break |
2235 | Case attach_type == BPF_LIRC_MODE2 |
2236 | Return lirc_prog_query(attr, uattr) |
2237 | Case attach_type == BPF_FLOW_DISSECTOR |
2238 | Return skb_flow_dissector_prog_query(attr, uattr) |
2239 | Default |
2240 | Return -EINVAL |
2243 | Return cgroup_bpf_prog_query(attr, uattr) |
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