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From: Prashant Bhole <prashantbhole.linux@gmail.com>
To: "David S . Miller" <davem@davemloft.net>,
	"Michael S . Tsirkin" <mst@redhat.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Jesper Dangaard Brouer <hawk@kernel.org>
Cc: Jason Wang <jasowang@redhat.com>, David Ahern <dsahern@gmail.com>,
	Jakub Kicinski <jakub.kicinski@netronome.com>,
	John Fastabend <john.fastabend@gmail.com>,
	Toshiaki Makita <toshiaki.makita1@gmail.com>,
	Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
	Yonghong Song <yhs@fb.com>, Andrii Nakryiko <andriin@fb.com>,
	netdev@vger.kernel.org,
	Prashant Bhole <prashantbhole.linux@gmail.com>
Subject: [RFC v2 net-next 07/12] net: core: export do_xdp_generic_core()
Date: Thu, 26 Dec 2019 11:31:55 +0900	[thread overview]
Message-ID: <20191226023200.21389-8-prashantbhole.linux@gmail.com> (raw)
In-Reply-To: <20191226023200.21389-1-prashantbhole.linux@gmail.com>

From: Jason Wang <jasowang@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 <jasowang@redhat.com>
Signed-off-by: Prashant Bhole <prashantbhole.linux@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 ac3e88d86581..51b58e47e521 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3661,6 +3661,8 @@ 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 b05c2d639dcc..db36dd288015 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.
-- 
2.21.0


  parent reply	other threads:[~2019-12-26  2:33 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-26  2:31 [RFC v2 net-next 00/12] XDP in tx path Prashant Bhole
2019-12-26  2:31 ` [RFC v2 net-next 01/12] net: introduce BPF_XDP_EGRESS attach type for XDP Prashant Bhole
2019-12-27 14:27   ` Jesper Dangaard Brouer
2019-12-28  0:15     ` Prashant Bhole
2020-01-07 11:35       ` Toke Høiland-Jørgensen
2020-01-11  0:53         ` Prashant Bhole
2019-12-26  2:31 ` [RFC v2 net-next 02/12] tools: sync kernel uapi/linux/if_link.h header Prashant Bhole
2019-12-26  2:31 ` [RFC v2 net-next 03/12] libbpf: api for getting/setting link xdp options Prashant Bhole
2019-12-30  4:49   ` Andrii Nakryiko
2020-01-03 11:04     ` Prashant Bhole
2019-12-26  2:31 ` [RFC v2 net-next 04/12] libbpf: set xdp program in tx path Prashant Bhole
2019-12-26  2:31 ` [RFC v2 net-next 05/12] samples/bpf: xdp1, add XDP tx support Prashant Bhole
2019-12-26  2:31 ` [RFC v2 net-next 06/12] net: core: rename netif_receive_generic_xdp() to do_generic_xdp_core() Prashant Bhole
2019-12-26  2:31 ` Prashant Bhole [this message]
2019-12-26  2:31 ` [RFC v2 net-next 08/12] tuntap: check tun_msg_ctl type at necessary places Prashant Bhole
2019-12-26  2:31 ` [RFC v2 net-next 09/12] vhost_net: user tap recvmsg api to access ptr ring Prashant Bhole
2019-12-26  9:05   ` kbuild test robot
2019-12-26  2:31 ` [RFC v2 net-next 10/12] tuntap: remove usage of ptr ring in vhost_net Prashant Bhole
2019-12-26  2:31 ` [RFC v2 net-next 11/12] tun: set tx path XDP program Prashant Bhole
2019-12-26  2:32 ` [RFC v2 net-next 12/12] tun: run XDP program in tx path Prashant Bhole
2019-12-26 19:23 ` [RFC v2 net-next 00/12] XDP " Tom Herbert
2019-12-27  1:35   ` Prashant Bhole

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