xdp: pass XDP flags into install handlers

Pass XDP flags to the xdp ndo. This will allow drivers to look at the mode flags and make decisions about offload.

Jakub Kicinski committed 9 years ago

Commit 32d60271 parent 9bd780f2 files · +4 −2Browse files

Unified · Split

2 files

@@ -820,6 +820,7 @@ struct netdev_xdp { · 819 unmodified lines
820	union {	820	union {
821	/* XDP_SETUP_PROG */	821	/* XDP_SETUP_PROG */
822	struct {	822	struct {
		823	u32 flags;
823	struct bpf_prog *prog;	824	struct bpf_prog *prog;
824	struct netlink_ext_ack *extack;	825	struct netlink_ext_ack *extack;
825	};	826	};

 }
 static int dev_xdp_install(struct net_device *dev, xdp_op_t xdp_op,
-			   struct netlink_ext_ack *extack,
+			   struct netlink_ext_ack *extack, u32 flags,
 			   struct bpf_prog *prog)
 {
 	struct netdev_xdp xdp;
 	memset(&xdp, 0, sizeof(xdp));
 	xdp.command = XDP_SETUP_PROG;
 	xdp.extack = extack;
+	xdp.flags = flags;
 	xdp.prog = prog;
 	return xdp_op(dev, &xdp);
 			return PTR_ERR(prog);
 	}
-	err = dev_xdp_install(dev, xdp_op, extack, prog);
+	err = dev_xdp_install(dev, xdp_op, extack, flags, prog);
 	if (err < 0 && prog)
 		bpf_prog_put(prog);