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68 lines
1.5 KiB
68 lines
1.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _BPF_NETNS_H |
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#define _BPF_NETNS_H |
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#include <linux/mutex.h> |
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#include <uapi/linux/bpf.h> |
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enum netns_bpf_attach_type { |
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NETNS_BPF_INVALID = -1, |
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NETNS_BPF_FLOW_DISSECTOR = 0, |
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NETNS_BPF_SK_LOOKUP, |
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MAX_NETNS_BPF_ATTACH_TYPE |
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}; |
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static inline enum netns_bpf_attach_type |
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to_netns_bpf_attach_type(enum bpf_attach_type attach_type) |
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{ |
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switch (attach_type) { |
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case BPF_FLOW_DISSECTOR: |
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return NETNS_BPF_FLOW_DISSECTOR; |
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case BPF_SK_LOOKUP: |
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return NETNS_BPF_SK_LOOKUP; |
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default: |
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return NETNS_BPF_INVALID; |
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} |
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} |
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/* Protects updates to netns_bpf */ |
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extern struct mutex netns_bpf_mutex; |
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union bpf_attr; |
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struct bpf_prog; |
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#ifdef CONFIG_NET |
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int netns_bpf_prog_query(const union bpf_attr *attr, |
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union bpf_attr __user *uattr); |
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int netns_bpf_prog_attach(const union bpf_attr *attr, |
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struct bpf_prog *prog); |
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int netns_bpf_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype); |
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int netns_bpf_link_create(const union bpf_attr *attr, |
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struct bpf_prog *prog); |
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#else |
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static inline int netns_bpf_prog_query(const union bpf_attr *attr, |
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union bpf_attr __user *uattr) |
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{ |
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return -EOPNOTSUPP; |
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} |
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static inline int netns_bpf_prog_attach(const union bpf_attr *attr, |
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struct bpf_prog *prog) |
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{ |
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return -EOPNOTSUPP; |
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} |
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static inline int netns_bpf_prog_detach(const union bpf_attr *attr, |
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enum bpf_prog_type ptype) |
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{ |
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return -EOPNOTSUPP; |
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} |
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static inline int netns_bpf_link_create(const union bpf_attr *attr, |
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struct bpf_prog *prog) |
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{ |
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return -EOPNOTSUPP; |
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} |
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#endif |
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#endif /* _BPF_NETNS_H */
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