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path: root/package/kernel/mac80211/patches/323-0001-brcmfmac-Use-net_device_stats-from-struct-net_device.patch
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From 91b632803ee4e47c5a5c4dc3d8bf5abf9c16107a Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Mon, 13 Feb 2017 11:14:09 +0100
Subject: [PATCH] brcmfmac: Use net_device_stats from struct net_device

Instead of using a private copy of struct net_device_stats in struct
brcm_if, use stats from struct net_device.  Also remove the now
unnecessary .ndo_get_stats function.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
 .../wireless/broadcom/brcm80211/brcmfmac/core.c    | 26 +++++++---------------
 .../wireless/broadcom/brcm80211/brcmfmac/core.h    |  2 --
 2 files changed, 8 insertions(+), 20 deletions(-)

--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -249,10 +249,10 @@ static netdev_tx_t brcmf_netdev_start_xm
 
 done:
 	if (ret) {
-		ifp->stats.tx_dropped++;
+		ndev->stats.tx_dropped++;
 	} else {
-		ifp->stats.tx_packets++;
-		ifp->stats.tx_bytes += skb->len;
+		ndev->stats.tx_packets++;
+		ndev->stats.tx_bytes += skb->len;
 	}
 
 	/* Return ok: we always eat the packet */
@@ -296,15 +296,15 @@ void brcmf_txflowblock(struct device *de
 void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb)
 {
 	if (skb->pkt_type == PACKET_MULTICAST)
-		ifp->stats.multicast++;
+		ifp->ndev->stats.multicast++;
 
 	if (!(ifp->ndev->flags & IFF_UP)) {
 		brcmu_pkt_buf_free_skb(skb);
 		return;
 	}
 
-	ifp->stats.rx_bytes += skb->len;
-	ifp->stats.rx_packets++;
+	ifp->ndev->stats.rx_bytes += skb->len;
+	ifp->ndev->stats.rx_packets++;
 
 	brcmf_dbg(DATA, "rx proto=0x%X\n", ntohs(skb->protocol));
 	if (in_interrupt())
@@ -327,7 +327,7 @@ static int brcmf_rx_hdrpull(struct brcmf
 
 	if (ret || !(*ifp) || !(*ifp)->ndev) {
 		if (ret != -ENODATA && *ifp)
-			(*ifp)->stats.rx_errors++;
+			(*ifp)->ndev->stats.rx_errors++;
 		brcmu_pkt_buf_free_skb(skb);
 		return -ENODATA;
 	}
@@ -388,7 +388,7 @@ void brcmf_txfinalize(struct brcmf_if *i
 	}
 
 	if (!success)
-		ifp->stats.tx_errors++;
+		ifp->ndev->stats.tx_errors++;
 
 	brcmu_pkt_buf_free_skb(txp);
 }
@@ -411,15 +411,6 @@ void brcmf_txcomplete(struct device *dev
 	}
 }
 
-static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev)
-{
-	struct brcmf_if *ifp = netdev_priv(ndev);
-
-	brcmf_dbg(TRACE, "Enter, bsscfgidx=%d\n", ifp->bsscfgidx);
-
-	return &ifp->stats;
-}
-
 static void brcmf_ethtool_get_drvinfo(struct net_device *ndev,
 				    struct ethtool_drvinfo *info)
 {
@@ -492,7 +483,6 @@ static int brcmf_netdev_open(struct net_
 static const struct net_device_ops brcmf_netdev_ops_pri = {
 	.ndo_open = brcmf_netdev_open,
 	.ndo_stop = brcmf_netdev_stop,
-	.ndo_get_stats = brcmf_netdev_get_stats,
 	.ndo_start_xmit = brcmf_netdev_start_xmit,
 	.ndo_set_mac_address = brcmf_netdev_set_mac_address,
 	.ndo_set_rx_mode = brcmf_netdev_set_multicast_list
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.h
@@ -171,7 +171,6 @@ enum brcmf_netif_stop_reason {
  * @drvr: points to device related information.
  * @vif: points to cfg80211 specific interface information.
  * @ndev: associated network device.
- * @stats: interface specific network statistics.
  * @multicast_work: worker object for multicast provisioning.
  * @ndoffload_work: worker object for neighbor discovery offload configuration.
  * @fws_desc: interface specific firmware-signalling descriptor.
@@ -187,7 +186,6 @@ struct brcmf_if {
 	struct brcmf_pub *drvr;
 	struct brcmf_cfg80211_vif *vif;
 	struct net_device *ndev;
-	struct net_device_stats stats;
 	struct work_struct multicast_work;
 	struct work_struct ndoffload_work;
 	struct brcmf_fws_mac_descriptor *fws_desc;