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author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2017-12-01 15:08:59 -0800 |
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committer | Daniel Borkmann <daniel@iogearbox.net> | 2017-12-03 00:27:57 +0100 |
commit | 31d3ad832948c75139b0e5b653912f7898a1d5d5 (patch) | |
tree | d2a2038cfed391a0f89055ac2dc5e09c57cd7db3 /drivers/net/netdevsim/netdevsim.h | |
parent | netdevsim: add software driver for testing offloads (diff) | |
download | wireguard-linux-31d3ad832948c75139b0e5b653912f7898a1d5d5.tar.xz wireguard-linux-31d3ad832948c75139b0e5b653912f7898a1d5d5.zip |
netdevsim: add bpf offload support
Add support for loading programs for netdevsim devices and
expose the related information via DebugFS. Both offload
of XDP and cls_bpf programs is supported.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'drivers/net/netdevsim/netdevsim.h')
-rw-r--r-- | drivers/net/netdevsim/netdevsim.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/net/netdevsim/netdevsim.h b/drivers/net/netdevsim/netdevsim.h index 4558c6f11598..8779e6a8f885 100644 --- a/drivers/net/netdevsim/netdevsim.h +++ b/drivers/net/netdevsim/netdevsim.h @@ -14,13 +14,53 @@ */ #include <linux/kernel.h> +#include <linux/list.h> #include <linux/netdevice.h> #include <linux/u64_stats_sync.h> #define DRV_NAME "netdevsim" +#define NSIM_XDP_MAX_MTU 4000 + +#define NSIM_EA(extack, msg) NL_SET_ERR_MSG_MOD((extack), msg) + +struct bpf_prog; +struct dentry; + struct netdevsim { + struct net_device *netdev; + u64 tx_packets; u64 tx_bytes; struct u64_stats_sync syncp; + + struct dentry *ddir; + + struct bpf_prog *bpf_offloaded; + u32 bpf_offloaded_id; + + u32 xdp_flags; + int xdp_prog_mode; + struct bpf_prog *xdp_prog; + + u32 prog_id_gen; + + bool bpf_bind_accept; + u32 bpf_bind_verifier_delay; + struct dentry *ddir_bpf_bound_progs; + struct list_head bpf_bound_progs; + + bool bpf_tc_accept; + bool bpf_tc_non_bound_accept; + bool bpf_xdpdrv_accept; + bool bpf_xdpoffload_accept; }; + +extern struct dentry *nsim_ddir; + +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); |