net: bpf: rename ndo_xdp to ndo_bpf

ndo_xdp is a control path callback for setting up XDP in the
driver.  We can reuse it for other forms of communication
between the eBPF stack and the drivers.  Rename the callback
and associated structures and definitions.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 19 insertions, 19 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 1423cf4..10cde58 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4545,7 +4545,7 @@ static int __netif_receive_skb(struct sk_buff *skb)
 	return ret;
 }
 
-static int generic_xdp_install(struct net_device *dev, struct netdev_xdp *xdp)
+static int generic_xdp_install(struct net_device *dev, struct netdev_bpf *xdp)
 {
 	struct bpf_prog *old = rtnl_dereference(dev->xdp_prog);
 	struct bpf_prog *new = xdp->prog;
@@ -7090,26 +7090,26 @@ int dev_change_proto_down(struct net_device *dev, bool proto_down)
 }
 EXPORT_SYMBOL(dev_change_proto_down);
 
-u8 __dev_xdp_attached(struct net_device *dev, xdp_op_t xdp_op, u32 *prog_id)
+u8 __dev_xdp_attached(struct net_device *dev, bpf_op_t bpf_op, u32 *prog_id)
 {
-	struct netdev_xdp xdp;
+	struct netdev_bpf xdp;
 
 	memset(&xdp, 0, sizeof(xdp));
 	xdp.command = XDP_QUERY_PROG;
 
 	/* Query must always succeed. */
-	WARN_ON(xdp_op(dev, &xdp) < 0);
+	WARN_ON(bpf_op(dev, &xdp) < 0);
 	if (prog_id)
 		*prog_id = xdp.prog_id;
 
 	return xdp.prog_attached;
 }
 
-static int dev_xdp_install(struct net_device *dev, xdp_op_t xdp_op,
+static int dev_xdp_install(struct net_device *dev, bpf_op_t bpf_op,
 			   struct netlink_ext_ack *extack, u32 flags,
 			   struct bpf_prog *prog)
 {
-	struct netdev_xdp xdp;
+	struct netdev_bpf xdp;
 
 	memset(&xdp, 0, sizeof(xdp));
 	if (flags & XDP_FLAGS_HW_MODE)
@@ -7120,7 +7120,7 @@ static int dev_xdp_install(struct net_device *dev, xdp_op_t xdp_op,
 	xdp.flags = flags;
 	xdp.prog = prog;
 
-	return xdp_op(dev, &xdp);
+	return bpf_op(dev, &xdp);
 }
 
 /**
@@ -7137,24 +7137,24 @@ int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
 {
 	const struct net_device_ops *ops = dev->netdev_ops;
 	struct bpf_prog *prog = NULL;
-	xdp_op_t xdp_op, xdp_chk;
+	bpf_op_t bpf_op, bpf_chk;
 	int err;
 
 	ASSERT_RTNL();
 
-	xdp_op = xdp_chk = ops->ndo_xdp;
-	if (!xdp_op && (flags & (XDP_FLAGS_DRV_MODE | XDP_FLAGS_HW_MODE)))
+	bpf_op = bpf_chk = ops->ndo_bpf;
+	if (!bpf_op && (flags & (XDP_FLAGS_DRV_MODE | XDP_FLAGS_HW_MODE)))
 		return -EOPNOTSUPP;
-	if (!xdp_op || (flags & XDP_FLAGS_SKB_MODE))
-		xdp_op = generic_xdp_install;
-	if (xdp_op == xdp_chk)
-		xdp_chk = generic_xdp_install;
+	if (!bpf_op || (flags & XDP_FLAGS_SKB_MODE))
+		bpf_op = generic_xdp_install;
+	if (bpf_op == bpf_chk)
+		bpf_chk = generic_xdp_install;
 
 	if (fd >= 0) {
-		if (xdp_chk && __dev_xdp_attached(dev, xdp_chk, NULL))
+		if (bpf_chk && __dev_xdp_attached(dev, bpf_chk, NULL))
 			return -EEXIST;
 		if ((flags & XDP_FLAGS_UPDATE_IF_NOEXIST) &&
-		    __dev_xdp_attached(dev, xdp_op, NULL))
+		    __dev_xdp_attached(dev, bpf_op, NULL))
 			return -EBUSY;
 
 		prog = bpf_prog_get_type(fd, BPF_PROG_TYPE_XDP);
@@ -7162,7 +7162,7 @@ int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
 			return PTR_ERR(prog);
 	}
 
-	err = dev_xdp_install(dev, xdp_op, extack, flags, prog);
+	err = dev_xdp_install(dev, bpf_op, extack, flags, prog);
 	if (err < 0 && prog)
 		bpf_prog_put(prog);
 
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 8a8c519..dc5ad84 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1270,10 +1270,10 @@ static u8 rtnl_xdp_attached_mode(struct net_device *dev, u32 *prog_id)
 		*prog_id = generic_xdp_prog->aux->id;
 		return XDP_ATTACHED_SKB;
 	}
-	if (!ops->ndo_xdp)
+	if (!ops->ndo_bpf)
 		return XDP_ATTACHED_NONE;
 
-	return __dev_xdp_attached(dev, ops->ndo_xdp, prog_id);
+	return __dev_xdp_attached(dev, ops->ndo_bpf, prog_id);
 }
 
 static int rtnl_xdp_fill(struct sk_buff *skb, struct net_device *dev)