From: Jason Wang <jasow...@redhat.com> Let's export do_xdp_generic as a general purpose function. It will just run XDP program on skb but will not handle XDP actions.
Signed-off-by: Jason Wang <jasow...@redhat.com> Signed-off-by: Prashant Bhole <prashantbhole.li...@gmail.com> --- include/linux/netdevice.h | 2 ++ net/core/dev.c | 6 +++--- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 9e6fb8524d91..2b6317ac9795 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3648,6 +3648,8 @@ static inline void dev_consume_skb_any(struct sk_buff *skb) void generic_xdp_tx(struct sk_buff *skb, struct bpf_prog *xdp_prog); int do_xdp_generic(struct bpf_prog *xdp_prog, struct sk_buff *skb); +u32 do_xdp_generic_core(struct sk_buff *skb, struct xdp_buff *xdp, + struct bpf_prog *xdp_prog); int netif_rx(struct sk_buff *skb); int netif_rx_ni(struct sk_buff *skb); int netif_receive_skb(struct sk_buff *skb); diff --git a/net/core/dev.c b/net/core/dev.c index 5ae647b9914f..d97c3f35e047 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4461,9 +4461,8 @@ static struct netdev_rx_queue *netif_get_rxqueue(struct sk_buff *skb) return rxqueue; } -static u32 do_xdp_generic_core(struct sk_buff *skb, - struct xdp_buff *xdp, - struct bpf_prog *xdp_prog) +u32 do_xdp_generic_core(struct sk_buff *skb, struct xdp_buff *xdp, + struct bpf_prog *xdp_prog) { struct netdev_rx_queue *rxqueue; void *orig_data, *orig_data_end; @@ -4574,6 +4573,7 @@ static u32 do_xdp_generic_core(struct sk_buff *skb, return act; } +EXPORT_SYMBOL_GPL(do_xdp_generic_core); /* When doing generic XDP we have to bypass the qdisc layer and the * network taps in order to match in-driver-XDP behavior. -- 2.20.1