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authorStanislav Fomichev <[email protected]>2023-01-19 14:15:24 -0800
committerMartin KaFai Lau <[email protected]>2023-01-23 09:38:10 -0800
commit2b3486bc2d237ec345b3942b7be5deabf8c8fed1 (patch)
treeec8986e58d6d69dcd3572ec447c9727451418904 /drivers/net/netdevsim
parent89bbc53a4dbbbdd65962d4bbaeba6c7775ea0bf7 (diff)
bpf: Introduce device-bound XDP programs
New flag BPF_F_XDP_DEV_BOUND_ONLY plus all the infra to have a way to associate a netdev with a BPF program at load time. netdevsim checks are dropped in favor of generic check in dev_xdp_attach. Cc: John Fastabend <[email protected]> Cc: David Ahern <[email protected]> Cc: Martin KaFai Lau <[email protected]> Cc: Jakub Kicinski <[email protected]> Cc: Willem de Bruijn <[email protected]> Cc: Jesper Dangaard Brouer <[email protected]> Cc: Anatoly Burakov <[email protected]> Cc: Alexander Lobakin <[email protected]> Cc: Magnus Karlsson <[email protected]> Cc: Maryam Tahhan <[email protected]> Cc: [email protected] Cc: [email protected] Signed-off-by: Stanislav Fomichev <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Martin KaFai Lau <[email protected]>
Diffstat (limited to 'drivers/net/netdevsim')
-rw-r--r--drivers/net/netdevsim/bpf.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/net/netdevsim/bpf.c b/drivers/net/netdevsim/bpf.c
index 50854265864d..f60eb97e3a62 100644
--- a/drivers/net/netdevsim/bpf.c
+++ b/drivers/net/netdevsim/bpf.c
@@ -315,10 +315,6 @@ nsim_setup_prog_hw_checks(struct netdevsim *ns, struct netdev_bpf *bpf)
NSIM_EA(bpf->extack, "xdpoffload of non-bound program");
return -EINVAL;
}
- if (!bpf_offload_dev_match(bpf->prog, ns->netdev)) {
- NSIM_EA(bpf->extack, "program bound to different dev");
- return -EINVAL;
- }
state = bpf->prog->aux->offload->dev_priv;
if (WARN_ON(strcmp(state->state, "xlated"))) {