From: =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= <bjorn.topel@intel.com>
Date: Tue, 2 Oct 2018 10:00:31 +0200
Subject: ixgbe: move common Rx functions to ixgbe_txrx_common.h
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Patch-mainline: v4.20-rc1
Git-commit: 46515fdb1adff1cc0ac3d0656a7c3492017dfe4f
References: bsc#1113994 FATE#326315 FATE#326317

This patch prepares for the upcoming zero-copy Rx functionality, by
moving/changing linkage of common functions, used both by the regular
path and zero-copy path.

Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Tested-by: William Tu <u9012063@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c        |   29 +++++++------------
 drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h |   26 +++++++++++++++++
 2 files changed, 37 insertions(+), 18 deletions(-)
 create mode 100644 drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h

--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -65,6 +65,7 @@
 #include "ixgbe_dcb_82599.h"
 #include "ixgbe_sriov.h"
 #include "ixgbe_model.h"
+#include "ixgbe_txrx_common.h"
 
 char ixgbe_driver_name[] = "ixgbe";
 static const char ixgbe_driver_string[] =
@@ -1698,9 +1699,9 @@ static void ixgbe_update_rsc_stats(struc
  * order to populate the hash, checksum, VLAN, timestamp, protocol, and
  * other fields within the skb.
  **/
-static void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring,
-				     union ixgbe_adv_rx_desc *rx_desc,
-				     struct sk_buff *skb)
+void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring,
+			      union ixgbe_adv_rx_desc *rx_desc,
+			      struct sk_buff *skb)
 {
 	struct net_device *dev = rx_ring->netdev;
 	u32 flags = rx_ring->q_vector->adapter->flags;
@@ -1733,8 +1734,8 @@ static void ixgbe_process_skb_fields(str
 	skb->protocol = eth_type_trans(skb, dev);
 }
 
-static void ixgbe_rx_skb(struct ixgbe_q_vector *q_vector,
-			 struct sk_buff *skb)
+void ixgbe_rx_skb(struct ixgbe_q_vector *q_vector,
+		  struct sk_buff *skb)
 {
 	napi_gro_receive(&q_vector->napi, skb);
 }
@@ -1893,9 +1894,9 @@ static void ixgbe_dma_sync_frag(struct i
  *
  * Returns true if an error was encountered and skb was freed.
  **/
-static bool ixgbe_cleanup_headers(struct ixgbe_ring *rx_ring,
-				  union ixgbe_adv_rx_desc *rx_desc,
-				  struct sk_buff *skb)
+bool ixgbe_cleanup_headers(struct ixgbe_ring *rx_ring,
+			   union ixgbe_adv_rx_desc *rx_desc,
+			   struct sk_buff *skb)
 {
 	struct net_device *netdev = rx_ring->netdev;
 
@@ -2211,14 +2212,6 @@ static struct sk_buff *ixgbe_build_skb(s
 	return skb;
 }
 
-#define IXGBE_XDP_PASS		0
-#define IXGBE_XDP_CONSUMED	BIT(0)
-#define IXGBE_XDP_TX		BIT(1)
-#define IXGBE_XDP_REDIR		BIT(2)
-
-static int ixgbe_xmit_xdp_ring(struct ixgbe_adapter *adapter,
-			       struct xdp_frame *xdpf);
-
 static struct sk_buff *ixgbe_run_xdp(struct ixgbe_adapter *adapter,
 				     struct ixgbe_ring *rx_ring,
 				     struct xdp_buff *xdp)
@@ -8495,8 +8488,8 @@ static u16 ixgbe_select_queue(struct net
 }
 
 #endif
-static int ixgbe_xmit_xdp_ring(struct ixgbe_adapter *adapter,
-			       struct xdp_frame *xdpf)
+int ixgbe_xmit_xdp_ring(struct ixgbe_adapter *adapter,
+			struct xdp_frame *xdpf)
 {
 	struct ixgbe_ring *ring = adapter->xdp_ring[smp_processor_id()];
 	struct ixgbe_tx_buffer *tx_buffer;
--- /dev/null
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2018 Intel Corporation. */
+
+#ifndef _IXGBE_TXRX_COMMON_H_
+#define _IXGBE_TXRX_COMMON_H_
+
+#define IXGBE_XDP_PASS		0
+#define IXGBE_XDP_CONSUMED	BIT(0)
+#define IXGBE_XDP_TX		BIT(1)
+#define IXGBE_XDP_REDIR		BIT(2)
+
+int ixgbe_xmit_xdp_ring(struct ixgbe_adapter *adapter,
+			struct xdp_frame *xdpf);
+bool ixgbe_cleanup_headers(struct ixgbe_ring *rx_ring,
+			   union ixgbe_adv_rx_desc *rx_desc,
+			   struct sk_buff *skb);
+void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring,
+			      union ixgbe_adv_rx_desc *rx_desc,
+			      struct sk_buff *skb);
+void ixgbe_rx_skb(struct ixgbe_q_vector *q_vector,
+		  struct sk_buff *skb);
+
+void ixgbe_txrx_ring_disable(struct ixgbe_adapter *adapter, int ring);
+void ixgbe_txrx_ring_enable(struct ixgbe_adapter *adapter, int ring);
+
+#endif /* #define _IXGBE_TXRX_COMMON_H_ */