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| author |   Jakub Kicinski <jakub.kicinski@netronome.com> | 2018-01-23 11:22:54 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-01-23 20:24:31 -0500 |
| commit | 7c5db7e7292f7f3244f895e7fa301dcff647e07e (patch) | |
| tree | cbd37f35387938e891ba140be8abbd9874904d98 /drivers/net/netdevsim/netdevsim.h | |
| parent | selftests/bpf: add checks on extack messages for eBPF hw offload tests (diff) | |
| download | linux-dev-7c5db7e7292f7f3244f895e7fa301dcff647e07e.tar.xz linux-dev-7c5db7e7292f7f3244f895e7fa301dcff647e07e.zip | |
netdevsim: don't compile BPF code if syscall not enabled
We should not compile netdevsim/bpf.c if BPF syscall is not
enabled. Otherwise bpf core would have to provide wrappers
for all functions offload drivers may call, even though
system will never see a BPF object.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/netdevsim/netdevsim.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/net/netdevsim/netdevsim.h b/drivers/net/netdevsim/netdevsim.h index b80361200302..ea081c10efb8 100644 --- a/drivers/net/netdevsim/netdevsim.h +++ b/drivers/net/netdevsim/netdevsim.h @@ -68,12 +68,40 @@ struct netdevsim { extern struct dentry *nsim_ddir; +#ifdef CONFIG_BPF_SYSCALL int nsim_bpf_init(struct netdevsim *ns); void nsim_bpf_uninit(struct netdevsim *ns); int nsim_bpf(struct net_device *dev, struct netdev_bpf *bpf); int nsim_bpf_disable_tc(struct netdevsim *ns); int nsim_bpf_setup_tc_block_cb(enum tc_setup_type type, void *type_data, void *cb_priv); +#else +static inline int nsim_bpf_init(struct netdevsim *ns) +{ + return 0; +} + +static inline void nsim_bpf_uninit(struct netdevsim *ns) +{ +} + +static inline int nsim_bpf(struct net_device *dev, struct netdev_bpf *bpf) +{ + return bpf->command == XDP_QUERY_PROG ? 0 : -EOPNOTSUPP; +} + +static inline int nsim_bpf_disable_tc(struct netdevsim *ns) +{ + return 0; +} + +static inline int +nsim_bpf_setup_tc_block_cb(enum tc_setup_type type, void *type_data, + void *cb_priv) +{ + return -EOPNOTSUPP; +} +#endif static inline struct netdevsim *to_nsim(struct device *ptr) { |