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torvaldstorvalds
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller: "Famouse last words: "final pull request" :-) I'm sending this because Jason Wang's fixes are pretty important 1) Add missing per-cpu stats initialization to ip6_vti. Otherwise lockdep spits out a call trace. From Li RongQing. 2) Fix NULL oops in wireless hwsim, from Javier Lopez 3) TIPC deferred packet queue unlink must NULL out skb->next to avoid crashes. From Erik Hugne 4) Fix access to uninitialized buffer in nf_nat netfilter code, from Daniel Borkmann 5) Fix lifetime of ipv6 loopback and SIT tunnel addresses, otherwise they basically timeout immediately. From Hannes Frederic Sowa 6) Fix DMA unmapping of TSO packets in bnx2x driver, from Michal Schmidt 7) Do not allow L2 forwarding offload via macvtap device, the way things are now it will not end up being forwaded at all. From Jason Wang 8) Fix transmit queue selection via ndo_dfwd_start_xmit(), fixing things like applying NETIF_F_LLTX to the wrong device (!!) and eliding the proper transmit watchdog handling 9) qlcnic driver was not updating tx statistics at all, from Manish Chopra" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: qlcnic: Fix ethtool statistics length calculation qlcnic: Fix bug in TX statistics net: core: explicitly select a txq before doing l2 forwarding macvlan: forbid L2 fowarding offload for macvtap bnx2x: fix DMA unmapping of TSO split BDs ipv6: add link-local, sit and loopback address with INFINITY_LIFE_TIME bnx2x: prevent WARN during driver unload tipc: correctly unlink packets from deferred packet queue ipv6: pcpu_tstats.syncp should be initialised in ip6_vti.c netfilter: only warn once on wrong seqadj usage netfilter: nf_nat: fix access to uninitialized buffer in IRC NAT helper NFC: Fix target mode p2p link establishment iwlwifi: add new devices for 7265 series mac80211: move "bufferable MMPDU" check to fix AP mode scan mac80211_hwsim: Fix NULL pointer dereference
2 parents e2bc447 + d6e9c89 commit 228fdc0

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34 files changed

+219
-126
lines changed

34 files changed

+219
-126
lines changed

‎drivers/net/bonding/bond_main.c

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3732,7 +3732,8 @@ static inline int bond_slave_override(struct bonding *bond,
37323732
}
37333733

37343734

3735-
static u16 bond_select_queue(struct net_device *dev, struct sk_buff *skb)
3735+
static u16 bond_select_queue(struct net_device *dev, struct sk_buff *skb,
3736+
void *accel_priv)
37363737
{
37373738
/*
37383739
* This helper function exists to help dev_pick_tx get the correct

‎drivers/net/ethernet/broadcom/bnx2x/bnx2x.h

Lines changed: 34 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -520,10 +520,12 @@ struct bnx2x_fastpath {
520520
#define BNX2X_FP_STATE_IDLE 0
521521
#define BNX2X_FP_STATE_NAPI (1 << 0) /* NAPI owns this FP */
522522
#define BNX2X_FP_STATE_POLL (1 << 1) /* poll owns this FP */
523-
#define BNX2X_FP_STATE_NAPI_YIELD (1 << 2) /* NAPI yielded this FP */
524-
#define BNX2X_FP_STATE_POLL_YIELD (1 << 3) /* poll yielded this FP */
523+
#define BNX2X_FP_STATE_DISABLED (1 << 2)
524+
#define BNX2X_FP_STATE_NAPI_YIELD (1 << 3) /* NAPI yielded this FP */
525+
#define BNX2X_FP_STATE_POLL_YIELD (1 << 4) /* poll yielded this FP */
526+
#define BNX2X_FP_OWNED (BNX2X_FP_STATE_NAPI | BNX2X_FP_STATE_POLL)
525527
#define BNX2X_FP_YIELD (BNX2X_FP_STATE_NAPI_YIELD | BNX2X_FP_STATE_POLL_YIELD)
526-
#define BNX2X_FP_LOCKED (BNX2X_FP_STATE_NAPI | BNX2X_FP_STATE_POLL)
528+
#define BNX2X_FP_LOCKED (BNX2X_FP_OWNED | BNX2X_FP_STATE_DISABLED)
527529
#define BNX2X_FP_USER_PEND (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_POLL_YIELD)
528530
/* protect state */
529531
spinlock_t lock;
@@ -613,7 +615,7 @@ static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp)
613615
{
614616
bool rc = true;
615617

616-
spin_lock(&fp->lock);
618+
spin_lock_bh(&fp->lock);
617619
if (fp->state & BNX2X_FP_LOCKED) {
618620
WARN_ON(fp->state & BNX2X_FP_STATE_NAPI);
619621
fp->state |= BNX2X_FP_STATE_NAPI_YIELD;
@@ -622,7 +624,7 @@ static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp)
622624
/* we don't care if someone yielded */
623625
fp->state = BNX2X_FP_STATE_NAPI;
624626
}
625-
spin_unlock(&fp->lock);
627+
spin_unlock_bh(&fp->lock);
626628
return rc;
627629
}
628630

@@ -631,14 +633,16 @@ static inline bool bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp)
631633
{
632634
bool rc = false;
633635

634-
spin_lock(&fp->lock);
636+
spin_lock_bh(&fp->lock);
635637
WARN_ON(fp->state &
636638
(BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_NAPI_YIELD));
637639

638640
if (fp->state & BNX2X_FP_STATE_POLL_YIELD)
639641
rc = true;
640-
fp->state = BNX2X_FP_STATE_IDLE;
641-
spin_unlock(&fp->lock);
642+
643+
/* state ==> idle, unless currently disabled */
644+
fp->state &= BNX2X_FP_STATE_DISABLED;
645+
spin_unlock_bh(&fp->lock);
642646
return rc;
643647
}
644648

@@ -669,17 +673,33 @@ static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
669673

670674
if (fp->state & BNX2X_FP_STATE_POLL_YIELD)
671675
rc = true;
672-
fp->state = BNX2X_FP_STATE_IDLE;
676+
677+
/* state ==> idle, unless currently disabled */
678+
fp->state &= BNX2X_FP_STATE_DISABLED;
673679
spin_unlock_bh(&fp->lock);
674680
return rc;
675681
}
676682

677683
/* true if a socket is polling, even if it did not get the lock */
678684
static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp)
679685
{
680-
WARN_ON(!(fp->state & BNX2X_FP_LOCKED));
686+
WARN_ON(!(fp->state & BNX2X_FP_OWNED));
681687
return fp->state & BNX2X_FP_USER_PEND;
682688
}
689+
690+
/* false if fp is currently owned */
691+
static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp)
692+
{
693+
int rc = true;
694+
695+
spin_lock_bh(&fp->lock);
696+
if (fp->state & BNX2X_FP_OWNED)
697+
rc = false;
698+
fp->state |= BNX2X_FP_STATE_DISABLED;
699+
spin_unlock_bh(&fp->lock);
700+
701+
return rc;
702+
}
683703
#else
684704
static inline void bnx2x_fp_init_lock(struct bnx2x_fastpath *fp)
685705
{
@@ -709,6 +729,10 @@ static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp)
709729
{
710730
return false;
711731
}
732+
static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp)
733+
{
734+
return true;
735+
}
712736
#endif /* CONFIG_NET_RX_BUSY_POLL */
713737

714738
/* Use 2500 as a mini-jumbo MTU for FCoE */

‎drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

Lines changed: 15 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -160,17 +160,15 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata,
160160
struct sk_buff *skb = tx_buf->skb;
161161
u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
162162
int nbd;
163+
u16 split_bd_len = 0;
163164

164165
/* prefetch skb end pointer to speedup dev_kfree_skb() */
165166
prefetch(&skb->end);
166167

167168
DP(NETIF_MSG_TX_DONE, "fp[%d]: pkt_idx %d buff @(%p)->skb %p\n",
168169
txdata->txq_index, idx, tx_buf, skb);
169170

170-
/* unmap first bd */
171171
tx_start_bd = &txdata->tx_desc_ring[bd_idx].start_bd;
172-
dma_unmap_single(&bp->pdev->dev, BD_UNMAP_ADDR(tx_start_bd),
173-
BD_UNMAP_LEN(tx_start_bd), DMA_TO_DEVICE);
174172

175173
nbd = le16_to_cpu(tx_start_bd->nbd) - 1;
176174
#ifdef BNX2X_STOP_ON_ERROR
@@ -188,12 +186,19 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata,
188186
--nbd;
189187
bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
190188

191-
/* ...and the TSO split header bd since they have no mapping */
189+
/* TSO headers+data bds share a common mapping. See bnx2x_tx_split() */
192190
if (tx_buf->flags & BNX2X_TSO_SPLIT_BD) {
191+
tx_data_bd = &txdata->tx_desc_ring[bd_idx].reg_bd;
192+
split_bd_len = BD_UNMAP_LEN(tx_data_bd);
193193
--nbd;
194194
bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
195195
}
196196

197+
/* unmap first bd */
198+
dma_unmap_single(&bp->pdev->dev, BD_UNMAP_ADDR(tx_start_bd),
199+
BD_UNMAP_LEN(tx_start_bd) + split_bd_len,
200+
DMA_TO_DEVICE);
201+
197202
/* now free frags */
198203
while (nbd > 0) {
199204

@@ -1790,26 +1795,22 @@ static void bnx2x_napi_disable_cnic(struct bnx2x *bp)
17901795
{
17911796
int i;
17921797

1793-
local_bh_disable();
17941798
for_each_rx_queue_cnic(bp, i) {
17951799
napi_disable(&bnx2x_fp(bp, i, napi));
1796-
while (!bnx2x_fp_lock_napi(&bp->fp[i]))
1797-
mdelay(1);
1800+
while (!bnx2x_fp_ll_disable(&bp->fp[i]))
1801+
usleep_range(1000, 2000);
17981802
}
1799-
local_bh_enable();
18001803
}
18011804

18021805
static void bnx2x_napi_disable(struct bnx2x *bp)
18031806
{
18041807
int i;
18051808

1806-
local_bh_disable();
18071809
for_each_eth_queue(bp, i) {
18081810
napi_disable(&bnx2x_fp(bp, i, napi));
1809-
while (!bnx2x_fp_lock_napi(&bp->fp[i]))
1810-
mdelay(1);
1811+
while (!bnx2x_fp_ll_disable(&bp->fp[i]))
1812+
usleep_range(1000, 2000);
18111813
}
1812-
local_bh_enable();
18131814
}
18141815

18151816
void bnx2x_netif_start(struct bnx2x *bp)
@@ -1832,7 +1833,8 @@ void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
18321833
bnx2x_napi_disable_cnic(bp);
18331834
}
18341835

1835-
u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb)
1836+
u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb,
1837+
void *accel_priv)
18361838
{
18371839
struct bnx2x *bp = netdev_priv(dev);
18381840

‎drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -524,7 +524,8 @@ int bnx2x_set_vf_mac(struct net_device *dev, int queue, u8 *mac);
524524
int bnx2x_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos);
525525

526526
/* select_queue callback */
527-
u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb);
527+
u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb,
528+
void *accel_priv);
528529

529530
static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
530531
struct bnx2x_fastpath *fp,

‎drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

Lines changed: 13 additions & 20 deletions
Original file line numberDiff line numberDiff line change
@@ -6827,12 +6827,20 @@ static inline int ixgbe_maybe_stop_tx(struct ixgbe_ring *tx_ring, u16 size)
68276827
return __ixgbe_maybe_stop_tx(tx_ring, size);
68286828
}
68296829

6830-
#ifdef IXGBE_FCOE
6831-
static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb)
6830+
static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb,
6831+
void *accel_priv)
68326832
{
6833+
struct ixgbe_fwd_adapter *fwd_adapter = accel_priv;
6834+
#ifdef IXGBE_FCOE
68336835
struct ixgbe_adapter *adapter;
68346836
struct ixgbe_ring_feature *f;
68356837
int txq;
6838+
#endif
6839+
6840+
if (fwd_adapter)
6841+
return skb->queue_mapping + fwd_adapter->tx_base_queue;
6842+
6843+
#ifdef IXGBE_FCOE
68366844

68376845
/*
68386846
* only execute the code below if protocol is FCoE
@@ -6858,9 +6866,11 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb)
68586866
txq -= f->indices;
68596867

68606868
return txq + f->offset;
6869+
#else
6870+
return __netdev_pick_tx(dev, skb);
6871+
#endif
68616872
}
68626873

6863-
#endif
68646874
netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
68656875
struct ixgbe_adapter *adapter,
68666876
struct ixgbe_ring *tx_ring)
@@ -7629,27 +7639,11 @@ static void ixgbe_fwd_del(struct net_device *pdev, void *priv)
76297639
kfree(fwd_adapter);
76307640
}
76317641

7632-
static netdev_tx_t ixgbe_fwd_xmit(struct sk_buff *skb,
7633-
struct net_device *dev,
7634-
void *priv)
7635-
{
7636-
struct ixgbe_fwd_adapter *fwd_adapter = priv;
7637-
unsigned int queue;
7638-
struct ixgbe_ring *tx_ring;
7639-
7640-
queue = skb->queue_mapping + fwd_adapter->tx_base_queue;
7641-
tx_ring = fwd_adapter->real_adapter->tx_ring[queue];
7642-
7643-
return __ixgbe_xmit_frame(skb, dev, tx_ring);
7644-
}
7645-
76467642
static const struct net_device_ops ixgbe_netdev_ops = {
76477643
.ndo_open = ixgbe_open,
76487644
.ndo_stop = ixgbe_close,
76497645
.ndo_start_xmit = ixgbe_xmit_frame,
7650-
#ifdef IXGBE_FCOE
76517646
.ndo_select_queue = ixgbe_select_queue,
7652-
#endif
76537647
.ndo_set_rx_mode = ixgbe_set_rx_mode,
76547648
.ndo_validate_addr = eth_validate_addr,
76557649
.ndo_set_mac_address = ixgbe_set_mac,
@@ -7689,7 +7683,6 @@ static const struct net_device_ops ixgbe_netdev_ops = {
76897683
.ndo_bridge_getlink = ixgbe_ndo_bridge_getlink,
76907684
.ndo_dfwd_add_station = ixgbe_fwd_add,
76917685
.ndo_dfwd_del_station = ixgbe_fwd_del,
7692-
.ndo_dfwd_start_xmit = ixgbe_fwd_xmit,
76937686
};
76947687

76957688
/**

‎drivers/net/ethernet/lantiq_etop.c

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -619,7 +619,8 @@ ltq_etop_set_multicast_list(struct net_device *dev)
619619
}
620620

621621
static u16
622-
ltq_etop_select_queue(struct net_device *dev, struct sk_buff *skb)
622+
ltq_etop_select_queue(struct net_device *dev, struct sk_buff *skb,
623+
void *accel_priv)
623624
{
624625
/* we are currently only using the first queue */
625626
return 0;

‎drivers/net/ethernet/mellanox/mlx4/en_tx.c

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -592,7 +592,8 @@ static void build_inline_wqe(struct mlx4_en_tx_desc *tx_desc, struct sk_buff *sk
592592
}
593593
}
594594

595-
u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb)
595+
u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb,
596+
void *accel_priv)
596597
{
597598
struct mlx4_en_priv *priv = netdev_priv(dev);
598599
u16 rings_p_up = priv->num_tx_rings_p_up;

‎drivers/net/ethernet/mellanox/mlx4/mlx4_en.h

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -714,7 +714,8 @@ int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
714714
int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
715715

716716
void mlx4_en_tx_irq(struct mlx4_cq *mcq);
717-
u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb);
717+
u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb,
718+
void *accel_priv);
718719
netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev);
719720

720721
int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,

‎drivers/net/ethernet/qlogic/qlcnic/qlcnic.h

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1711,6 +1711,7 @@ int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *);
17111711
void qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter *);
17121712
void qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox *mbx);
17131713
void qlcnic_83xx_free_mailbox(struct qlcnic_mailbox *mbx);
1714+
void qlcnic_update_stats(struct qlcnic_adapter *);
17141715

17151716
/* Adapter hardware abstraction */
17161717
struct qlcnic_hardware_ops {

‎drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c

Lines changed: 22 additions & 19 deletions
Original file line numberDiff line numberDiff line change
@@ -167,27 +167,35 @@ static const char qlcnic_gstrings_test[][ETH_GSTRING_LEN] = {
167167

168168
#define QLCNIC_TEST_LEN ARRAY_SIZE(qlcnic_gstrings_test)
169169

170-
static inline int qlcnic_82xx_statistics(void)
170+
static inline int qlcnic_82xx_statistics(struct qlcnic_adapter *adapter)
171171
{
172-
return ARRAY_SIZE(qlcnic_device_gstrings_stats) +
173-
ARRAY_SIZE(qlcnic_83xx_mac_stats_strings);
172+
return ARRAY_SIZE(qlcnic_gstrings_stats) +
173+
ARRAY_SIZE(qlcnic_83xx_mac_stats_strings) +
174+
QLCNIC_TX_STATS_LEN * adapter->drv_tx_rings;
174175
}
175176

176-
static inline int qlcnic_83xx_statistics(void)
177+
static inline int qlcnic_83xx_statistics(struct qlcnic_adapter *adapter)
177178
{
178-
return ARRAY_SIZE(qlcnic_83xx_tx_stats_strings) +
179+
return ARRAY_SIZE(qlcnic_gstrings_stats) +
180+
ARRAY_SIZE(qlcnic_83xx_tx_stats_strings) +
179181
ARRAY_SIZE(qlcnic_83xx_mac_stats_strings) +
180-
ARRAY_SIZE(qlcnic_83xx_rx_stats_strings);
182+
ARRAY_SIZE(qlcnic_83xx_rx_stats_strings) +
183+
QLCNIC_TX_STATS_LEN * adapter->drv_tx_rings;
181184
}
182185

183186
static int qlcnic_dev_statistics_len(struct qlcnic_adapter *adapter)
184187
{
185-
if (qlcnic_82xx_check(adapter))
186-
return qlcnic_82xx_statistics();
187-
else if (qlcnic_83xx_check(adapter))
188-
return qlcnic_83xx_statistics();
189-
else
190-
return -1;
188+
int len = -1;
189+
190+
if (qlcnic_82xx_check(adapter)) {
191+
len = qlcnic_82xx_statistics(adapter);
192+
if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
193+
len += ARRAY_SIZE(qlcnic_device_gstrings_stats);
194+
} else if (qlcnic_83xx_check(adapter)) {
195+
len = qlcnic_83xx_statistics(adapter);
196+
}
197+
198+
return len;
191199
}
192200

193201
#define QLCNIC_TX_INTR_NOT_CONFIGURED 0X78563412
@@ -920,18 +928,13 @@ static int qlcnic_eeprom_test(struct net_device *dev)
920928

921929
static int qlcnic_get_sset_count(struct net_device *dev, int sset)
922930
{
923-
int len;
924931

925932
struct qlcnic_adapter *adapter = netdev_priv(dev);
926933
switch (sset) {
927934
case ETH_SS_TEST:
928935
return QLCNIC_TEST_LEN;
929936
case ETH_SS_STATS:
930-
len = qlcnic_dev_statistics_len(adapter) + QLCNIC_STATS_LEN;
931-
if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
932-
qlcnic_83xx_check(adapter))
933-
return len;
934-
return qlcnic_82xx_statistics();
937+
return qlcnic_dev_statistics_len(adapter);
935938
default:
936939
return -EOPNOTSUPP;
937940
}
@@ -1267,7 +1270,7 @@ static u64 *qlcnic_fill_stats(u64 *data, void *stats, int type)
12671270
return data;
12681271
}
12691272

1270-
static void qlcnic_update_stats(struct qlcnic_adapter *adapter)
1273+
void qlcnic_update_stats(struct qlcnic_adapter *adapter)
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{
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struct qlcnic_host_tx_ring *tx_ring;
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int ring;

‎drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -2780,6 +2780,9 @@ static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
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struct qlcnic_adapter *adapter = netdev_priv(netdev);
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struct net_device_stats *stats = &netdev->stats;
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if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
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qlcnic_update_stats(adapter);
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stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
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stats->tx_packets = adapter->stats.xmitfinished;
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stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;

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