| Message ID | b90891939e6a4c9a803cd1b5072bb971baa4fb69.1636044387.git.lorenzo@kernel.org (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | BPF |
| Headers | show |
| Series | mvneta: introduce XDP multi-buffer support | expand |
diff --git a/net/core/filter.c b/net/core/filter.c index 534305037ad7..00e08bdeb5f2 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -4183,6 +4183,13 @@ int xdp_do_redirect(struct net_device *dev, struct xdp_buff *xdp, struct bpf_map *map; int err; + /* XDP_REDIRECT is not fully supported yet for xdp multi-buff since + * not all XDP capable drivers can map non-linear xdp_frame in + * ndo_xdp_xmit. + */ + if (unlikely(xdp_buff_is_mb(xdp))) + return -EOPNOTSUPP; + ri->map_id = 0; /* Valid map id idr range: [1,INT_MAX[ */ ri->map_type = BPF_MAP_TYPE_UNSPEC;
XDP_REDIRECT is not fully supported yet for xdp multi-buff since not all XDP capable drivers can map non-linear xdp_frame in ndo_xdp_xmit so disable it for the moment. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> --- net/core/filter.c | 7 +++++++ 1 file changed, 7 insertions(+)