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authorLinus Torvalds <torvalds@linux-foundation.org>2015-08-01 03:10:56 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-08-01 03:10:56 +0300
commit7c764cec3703583247c4ab837c652975a3d41f4b (patch)
treebd7149e43ee1d3465f7f3db5ed1df53c06eae62c /drivers
parentacea568fa9eaeffbf949d15b2f7c9c346e16aae3 (diff)
parentea111545843e657504193e4f726e1116b96b8141 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller: 1) Must teardown SR-IOV before unregistering netdev in igb driver, from Alex Williamson. 2) Fix ipv6 route unreachable crash in IPVS, from Alex Gartrell. 3) Default route selection in ipv4 should take the prefix length, table ID, and TOS into account, from Julian Anastasov. 4) sch_plug must have a reset method in order to purge all buffered packets when the qdisc is reset, likewise for sch_choke, from WANG Cong. 5) Fix deadlock and races in slave_changelink/br_setport in bridging. From Nikolay Aleksandrov. 6) mlx4 bug fixes (wrong index in port even propagation to VFs, overzealous BUG_ON assertion, etc.) from Ido Shamay, Jack Morgenstein, and Or Gerlitz. 7) Turn off klog message about SCTP userspace interface compat that makes no sense at all, from Daniel Borkmann. 8) Fix unbounded restarts of inet frag eviction process, causing NMI watchdog soft lockup messages, from Florian Westphal. 9) Suspend/resume fixes for r8152 from Hayes Wang. 10) Fix busy loop when MSG_WAITALL|MSG_PEEK is used in TCP recv, from Sabrina Dubroca. 11) Fix performance regression when removing a lot of routes from the ipv4 routing tables, from Alexander Duyck. 12) Fix device leak in AF_PACKET, from Lars Westerhoff. 13) AF_PACKET also has a header length comparison bug due to signedness, from Alexander Drozdov. 14) Fix bug in EBPF tail call generation on x86, from Daniel Borkmann. 15) Memory leaks, TSO stats, watchdog timeout and other fixes to thunderx driver from Sunil Goutham and Thanneeru Srinivasulu. 16) act_bpf can leak memory when replacing programs, from Daniel Borkmann. 17) WOL packet fixes in gianfar driver, from Claudiu Manoil. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (79 commits) stmmac: fix missing MODULE_LICENSE in stmmac_platform gianfar: Enable device wakeup when appropriate gianfar: Fix suspend/resume for wol magic packet gianfar: Fix warning when CONFIG_PM off act_pedit: check binding before calling tcf_hash_release() net: sk_clone_lock() should only do get_net() if the parent is not a kernel socket net: sched: fix refcount imbalance in actions r8152: reset device when tx timeout r8152: add pre_reset and post_reset qlcnic: Fix corruption while copying act_bpf: fix memory leaks when replacing bpf programs net: thunderx: Fix for crash while BGX teardown net: thunderx: Add PCI driver shutdown routine net: thunderx: Fix crash when changing rss with mutliple traffic flows net: thunderx: Set watchdog timeout value net: thunderx: Wakeup TXQ only if CQE_TX are processed net: thunderx: Suppress alloc_pages() failure warnings net: thunderx: Fix TSO packet statistic net: thunderx: Fix memory leak when changing queue count net: thunderx: Fix RQ_DROP miscalculation ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/cadence/macb.c125
-rw-r--r--drivers/net/ethernet/cadence/macb.h34
-rw-r--r--drivers/net/ethernet/cavium/thunder/nic.h12
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c26
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_main.c55
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_queues.c17
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_queues.h14
-rw-r--r--drivers/net/ethernet/cavium/thunder/thunder_bgx.c5
-rw-r--r--drivers/net/ethernet/freescale/fec.h1
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c98
-rw-r--r--drivers/net/ethernet/freescale/fec_ptp.c10
-rw-r--r--drivers/net/ethernet/freescale/gianfar.c104
-rw-r--r--drivers/net/ethernet/freescale/gianfar.h3
-rw-r--r--drivers/net/ethernet/freescale/gianfar_ethtool.c5
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/cmd.c17
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_rx.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/eq.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/main.c5
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c2
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c4
-rw-r--r--drivers/net/ethernet/sun/niu.c4
-rw-r--r--drivers/net/ethernet/ti/netcp.h1
-rw-r--r--drivers/net/ethernet/ti/netcp_core.c14
-rw-r--r--drivers/net/ethernet/ti/netcp_ethss.c67
-rw-r--r--drivers/net/ethernet/ti/netcp_sgmii.c30
-rw-r--r--drivers/net/macvtap.c7
-rw-r--r--drivers/net/usb/r8152.c189
27 files changed, 562 insertions, 292 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index caeb39561567..bf9eb2ecf960 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -104,6 +104,57 @@ static void *macb_rx_buffer(struct macb *bp, unsigned int index)
return bp->rx_buffers + bp->rx_buffer_size * macb_rx_ring_wrap(index);
}
+/* I/O accessors */
+static u32 hw_readl_native(struct macb *bp, int offset)
+{
+ return __raw_readl(bp->regs + offset);
+}
+
+static void hw_writel_native(struct macb *bp, int offset, u32 value)
+{
+ __raw_writel(value, bp->regs + offset);
+}
+
+static u32 hw_readl(struct macb *bp, int offset)
+{
+ return readl_relaxed(bp->regs + offset);
+}
+
+static void hw_writel(struct macb *bp, int offset, u32 value)
+{
+ writel_relaxed(value, bp->regs + offset);
+}
+
+/*
+ * Find the CPU endianness by using the loopback bit of NCR register. When the
+ * CPU is in big endian we need to program swaped mode for management
+ * descriptor access.
+ */
+static bool hw_is_native_io(void __iomem *addr)
+{
+ u32 value = MACB_BIT(LLB);
+
+ __raw_writel(value, addr + MACB_NCR);
+ value = __raw_readl(addr + MACB_NCR);
+
+ /* Write 0 back to disable everything */
+ __raw_writel(0, addr + MACB_NCR);
+
+ return value == MACB_BIT(LLB);
+}
+
+static bool hw_is_gem(void __iomem *addr, bool native_io)
+{
+ u32 id;
+
+ if (native_io)
+ id = __raw_readl(addr + MACB_MID);
+ else
+ id = readl_relaxed(addr + MACB_MID);
+
+ return MACB_BFEXT(IDNUM, id) >= 0x2;
+}
+
static void macb_set_hwaddr(struct macb *bp)
{
u32 bottom;
@@ -160,7 +211,7 @@ static void macb_get_hwaddr(struct macb *bp)
}
}
- netdev_info(bp->dev, "invalid hw address, using random\n");
+ dev_info(&bp->pdev->dev, "invalid hw address, using random\n");
eth_hw_addr_random(bp->dev);
}
@@ -252,7 +303,6 @@ static void macb_handle_link_change(struct net_device *dev)
struct macb *bp = netdev_priv(dev);
struct phy_device *phydev = bp->phy_dev;
unsigned long flags;
-
int status_change = 0;
spin_lock_irqsave(&bp->lock, flags);
@@ -449,14 +499,14 @@ err_out:
static void macb_update_stats(struct macb *bp)
{
- u32 __iomem *reg = bp->regs + MACB_PFR;
u32 *p = &bp->hw_stats.macb.rx_pause_frames;
u32 *end = &bp->hw_stats.macb.tx_pause_frames + 1;
+ int offset = MACB_PFR;
WARN_ON((unsigned long)(end - p - 1) != (MACB_TPF - MACB_PFR) / 4);
- for(; p < end; p++, reg++)
- *p += readl_relaxed(reg);
+ for(; p < end; p++, offset += 4)
+ *p += bp->macb_reg_readl(bp, offset);
}
static int macb_halt_tx(struct macb *bp)
@@ -1107,12 +1157,6 @@ static void macb_poll_controller(struct net_device *dev)
}
#endif
-static inline unsigned int macb_count_tx_descriptors(struct macb *bp,
- unsigned int len)
-{
- return (len + bp->max_tx_length - 1) / bp->max_tx_length;
-}
-
static unsigned int macb_tx_map(struct macb *bp,
struct macb_queue *queue,
struct sk_buff *skb)
@@ -1263,11 +1307,11 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
* socket buffer: skb fragments of jumbo frames may need to be
* splitted into many buffer descriptors.
*/
- count = macb_count_tx_descriptors(bp, skb_headlen(skb));
+ count = DIV_ROUND_UP(skb_headlen(skb), bp->max_tx_length);
nr_frags = skb_shinfo(skb)->nr_frags;
for (f = 0; f < nr_frags; f++) {
frag_size = skb_frag_size(&skb_shinfo(skb)->frags[f]);
- count += macb_count_tx_descriptors(bp, frag_size);
+ count += DIV_ROUND_UP(frag_size, bp->max_tx_length);
}
spin_lock_irqsave(&bp->lock, flags);
@@ -1603,7 +1647,6 @@ static u32 macb_dbw(struct macb *bp)
static void macb_configure_dma(struct macb *bp)
{
u32 dmacfg;
- u32 tmp, ncr;
if (macb_is_gem(bp)) {
dmacfg = gem_readl(bp, DMACFG) & ~GEM_BF(RXBS, -1L);
@@ -1613,22 +1656,11 @@ static void macb_configure_dma(struct macb *bp)
dmacfg |= GEM_BIT(TXPBMS) | GEM_BF(RXBMS, -1L);
dmacfg &= ~GEM_BIT(ENDIA_PKT);
- /* Find the CPU endianness by using the loopback bit of net_ctrl
- * register. save it first. When the CPU is in big endian we
- * need to program swaped mode for management descriptor access.
- */
- ncr = macb_readl(bp, NCR);
- __raw_writel(MACB_BIT(LLB), bp->regs + MACB_NCR);
- tmp = __raw_readl(bp->regs + MACB_NCR);
-
- if (tmp == MACB_BIT(LLB))
+ if (bp->native_io)
dmacfg &= ~GEM_BIT(ENDIA_DESC);
else
dmacfg |= GEM_BIT(ENDIA_DESC); /* CPU in big endian */
- /* Restore net_ctrl */
- macb_writel(bp, NCR, ncr);
-
if (bp->dev->features & NETIF_F_HW_CSUM)
dmacfg |= GEM_BIT(TXCOEN);
else
@@ -1897,19 +1929,19 @@ static int macb_change_mtu(struct net_device *dev, int new_mtu)
static void gem_update_stats(struct macb *bp)
{
- int i;
+ unsigned int i;
u32 *p = &bp->hw_stats.gem.tx_octets_31_0;
for (i = 0; i < GEM_STATS_LEN; ++i, ++p) {
u32 offset = gem_statistics[i].offset;
- u64 val = readl_relaxed(bp->regs + offset);
+ u64 val = bp->macb_reg_readl(bp, offset);
bp->ethtool_stats[i] += val;
*p += val;
if (offset == GEM_OCTTXL || offset == GEM_OCTRXL) {
/* Add GEM_OCTTXH, GEM_OCTRXH */
- val = readl_relaxed(bp->regs + offset + 4);
+ val = bp->macb_reg_readl(bp, offset + 4);
bp->ethtool_stats[i] += ((u64)val) << 32;
*(++p) += val;
}
@@ -1976,7 +2008,7 @@ static int gem_get_sset_count(struct net_device *dev, int sset)
static void gem_get_ethtool_strings(struct net_device *dev, u32 sset, u8 *p)
{
- int i;
+ unsigned int i;
switch (sset) {
case ETH_SS_STATS:
@@ -2190,7 +2222,7 @@ static void macb_configure_caps(struct macb *bp, const struct macb_config *dt_co
if (dt_conf)
bp->caps = dt_conf->caps;
- if (macb_is_gem_hw(bp->regs)) {
+ if (hw_is_gem(bp->regs, bp->native_io)) {
bp->caps |= MACB_CAPS_MACB_IS_GEM;
dcfg = gem_readl(bp, DCFG1);
@@ -2201,10 +2233,11 @@ static void macb_configure_caps(struct macb *bp, const struct macb_config *dt_co
bp->caps |= MACB_CAPS_FIFO_MODE;
}
- netdev_dbg(bp->dev, "Cadence caps 0x%08x\n", bp->caps);
+ dev_dbg(&bp->pdev->dev, "Cadence caps 0x%08x\n", bp->caps);
}
static void macb_probe_queues(void __iomem *mem,
+ bool native_io,
unsigned int *queue_mask,
unsigned int *num_queues)
{
@@ -2219,7 +2252,7 @@ static void macb_probe_queues(void __iomem *mem,
* we are early in the probe process and don't have the
* MACB_CAPS_MACB_IS_GEM flag positioned
*/
- if (!macb_is_gem_hw(mem))
+ if (!hw_is_gem(mem, native_io))
return;
/* bit 0 is never set but queue 0 always exists */
@@ -2786,6 +2819,7 @@ static int macb_probe(struct platform_device *pdev)
struct clk *pclk, *hclk, *tx_clk;
unsigned int queue_mask, num_queues;
struct macb_platform_data *pdata;
+ bool native_io;
struct phy_device *phydev;
struct net_device *dev;
struct resource *regs;
@@ -2794,6 +2828,11 @@ static int macb_probe(struct platform_device *pdev)
struct macb *bp;
int err;
+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ mem = devm_ioremap_resource(&pdev->dev, regs);
+ if (IS_ERR(mem))
+ return PTR_ERR(mem);
+
if (np) {
const struct of_device_id *match;
@@ -2809,14 +2848,9 @@ static int macb_probe(struct platform_device *pdev)
if (err)
return err;
- regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- mem = devm_ioremap_resource(&pdev->dev, regs);
- if (IS_ERR(mem)) {
- err = PTR_ERR(mem);
- goto err_disable_clocks;
- }
+ native_io = hw_is_native_io(mem);
- macb_probe_queues(mem, &queue_mask, &num_queues);
+ macb_probe_queues(mem, native_io, &queue_mask, &num_queues);
dev = alloc_etherdev_mq(sizeof(*bp), num_queues);
if (!dev) {
err = -ENOMEM;
@@ -2831,6 +2865,14 @@ static int macb_probe(struct platform_device *pdev)
bp->pdev = pdev;
bp->dev = dev;
bp->regs = mem;
+ bp->native_io = native_io;
+ if (native_io) {
+ bp->macb_reg_readl = hw_readl_native;
+ bp->macb_reg_writel = hw_writel_native;
+ } else {
+ bp->macb_reg_readl = hw_readl;
+ bp->macb_reg_writel = hw_writel;
+ }
bp->num_queues = num_queues;
bp->queue_mask = queue_mask;
if (macb_config)
@@ -2838,9 +2880,8 @@ static int macb_probe(struct platform_device *pdev)
bp->pclk = pclk;
bp->hclk = hclk;
bp->tx_clk = tx_clk;
- if (macb_config->jumbo_max_len) {
+ if (macb_config)
bp->jumbo_max_len = macb_config->jumbo_max_len;
- }
spin_lock_init(&bp->lock);
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index d74655993d4b..1895b6b2addd 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -429,18 +429,12 @@
| GEM_BF(name, value))
/* Register access macros */
-#define macb_readl(port,reg) \
- readl_relaxed((port)->regs + MACB_##reg)
-#define macb_writel(port,reg,value) \
- writel_relaxed((value), (port)->regs + MACB_##reg)
-#define gem_readl(port, reg) \
- readl_relaxed((port)->regs + GEM_##reg)
-#define gem_writel(port, reg, value) \
- writel_relaxed((value), (port)->regs + GEM_##reg)
-#define queue_readl(queue, reg) \
- readl_relaxed((queue)->bp->regs + (queue)->reg)
-#define queue_writel(queue, reg, value) \
- writel_relaxed((value), (queue)->bp->regs + (queue)->reg)
+#define macb_readl(port, reg) (port)->macb_reg_readl((port), MACB_##reg)
+#define macb_writel(port, reg, value) (port)->macb_reg_writel((port), MACB_##reg, (value))
+#define gem_readl(port, reg) (port)->macb_reg_readl((port), GEM_##reg)
+#define gem_writel(port, reg, value) (port)->macb_reg_writel((port), GEM_##reg, (value))
+#define queue_readl(queue, reg) (queue)->bp->macb_reg_readl((queue)->bp, (queue)->reg)
+#define queue_writel(queue, reg, value) (queue)->bp->macb_reg_writel((queue)->bp, (queue)->reg, (value))
/* Conditional GEM/MACB macros. These perform the operation to the correct
* register dependent on whether the device is a GEM or a MACB. For registers
@@ -785,6 +779,11 @@ struct macb_queue {
struct macb {
void __iomem *regs;
+ bool native_io;
+
+ /* hardware IO accessors */
+ u32 (*macb_reg_readl)(struct macb *bp, int offset);
+ void (*macb_reg_writel)(struct macb *bp, int offset, u32 value);
unsigned int rx_tail;
unsigned int rx_prepared_head;
@@ -817,9 +816,9 @@ struct macb {
struct mii_bus *mii_bus;
struct phy_device *phy_dev;
- unsigned int link;
- unsigned int speed;
- unsigned int duplex;
+ int link;
+ int speed;
+ int duplex;
u32 caps;
unsigned int dma_burst_length;
@@ -843,9 +842,4 @@ static inline bool macb_is_gem(struct macb *bp)
return !!(bp->caps & MACB_CAPS_MACB_IS_GEM);
}
-static inline bool macb_is_gem_hw(void __iomem *addr)
-{
- return !!(MACB_BFEXT(IDNUM, readl_relaxed(addr + MACB_MID)) >= 0x2);
-}
-
#endif /* _MACB_H */
diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h
index dda8a02b7322..8aee250904ec 100644
--- a/drivers/net/ethernet/cavium/thunder/nic.h
+++ b/drivers/net/ethernet/cavium/thunder/nic.h
@@ -125,6 +125,15 @@
*/
#define NICPF_CLK_PER_INT_TICK 2
+/* Time to wait before we decide that a SQ is stuck.
+ *
+ * Since both pkt rx and tx notifications are done with same CQ,
+ * when packets are being received at very high rate (eg: L2 forwarding)
+ * then freeing transmitted skbs will be delayed and watchdog
+ * will kick in, resetting interface. Hence keeping this value high.
+ */
+#define NICVF_TX_TIMEOUT (50 * HZ)
+
struct nicvf_cq_poll {
u8 cq_idx; /* Completion queue index */
struct napi_struct napi;
@@ -216,8 +225,9 @@ struct nicvf_drv_stats {
/* Tx */
u64 tx_frames_ok;
u64 tx_drops;
- u64 tx_busy;
u64 tx_tso;
+ u64 txq_stop;
+ u64 txq_wake;
};
struct nicvf {
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c
index 16bd2d772db9..a4228e664567 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c
@@ -66,9 +66,10 @@ static const struct nicvf_stat nicvf_drv_stats[] = {
NICVF_DRV_STAT(rx_frames_jumbo),
NICVF_DRV_STAT(rx_drops),
NICVF_DRV_STAT(tx_frames_ok),
- NICVF_DRV_STAT(tx_busy),
NICVF_DRV_STAT(tx_tso),
NICVF_DRV_STAT(tx_drops),
+ NICVF_DRV_STAT(txq_stop),
+ NICVF_DRV_STAT(txq_wake),
};
static const struct nicvf_stat nicvf_queue_stats[] = {
@@ -126,6 +127,7 @@ static void nicvf_set_msglevel(struct net_device *netdev, u32 lvl)
static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data)
{
+ struct nicvf *nic = netdev_priv(netdev);
int stats, qidx;
if (sset != ETH_SS_STATS)
@@ -141,7 +143,7 @@ static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data)
data += ETH_GSTRING_LEN;
}
- for (qidx = 0; qidx < MAX_RCV_QUEUES_PER_QS; qidx++) {
+ for (qidx = 0; qidx < nic->qs->rq_cnt; qidx++) {
for (stats = 0; stats < nicvf_n_queue_stats; stats++) {
sprintf(data, "rxq%d: %s", qidx,
nicvf_queue_stats[stats].name);
@@ -149,7 +151,7 @@ static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data)
}
}
- for (qidx = 0; qidx < MAX_SND_QUEUES_PER_QS; qidx++) {
+ for (qidx = 0; qidx < nic->qs->sq_cnt; qidx++) {
for (stats = 0; stats < nicvf_n_queue_stats; stats++) {
sprintf(data, "txq%d: %s", qidx,
nicvf_queue_stats[stats].name);
@@ -170,12 +172,14 @@ static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data)
static int nicvf_get_sset_count(struct net_device *netdev, int sset)
{
+ struct nicvf *nic = netdev_priv(netdev);
+
if (sset != ETH_SS_STATS)
return -EINVAL;
return nicvf_n_hw_stats + nicvf_n_drv_stats +
(nicvf_n_queue_stats *
- (MAX_RCV_QUEUES_PER_QS + MAX_SND_QUEUES_PER_QS)) +
+ (nic->qs->rq_cnt + nic->qs->sq_cnt)) +
BGX_RX_STATS_COUNT + BGX_TX_STATS_COUNT;
}
@@ -197,13 +201,13 @@ static void nicvf_get_ethtool_stats(struct net_device *netdev,
*(data++) = ((u64 *)&nic->drv_stats)
[nicvf_drv_stats[stat].index];
- for (qidx = 0; qidx < MAX_RCV_QUEUES_PER_QS; qidx++) {
+ for (qidx = 0; qidx < nic->qs->rq_cnt; qidx++) {
for (stat = 0; stat < nicvf_n_queue_stats; stat++)
*(data++) = ((u64 *)&nic->qs->rq[qidx].stats)
[nicvf_queue_stats[stat].index];
}
- for (qidx = 0; qidx < MAX_SND_QUEUES_PER_QS; qidx++) {
+ for (qidx = 0; qidx < nic->qs->sq_cnt; qidx++) {
for (stat = 0; stat < nicvf_n_queue_stats; stat++)
*(data++) = ((u64 *)&nic->qs->sq[qidx].stats)
[nicvf_queue_stats[stat].index];
@@ -543,6 +547,7 @@ static int nicvf_set_channels(struct net_device *dev,
{
struct nicvf *nic = netdev_priv(dev);
int err = 0;
+ bool if_up = netif_running(dev);
if (!channel->rx_count || !channel->tx_count)
return -EINVAL;
@@ -551,6 +556,9 @@ static int nicvf_set_channels(struct net_device *dev,
if (channel->tx_count > MAX_SND_QUEUES_PER_QS)
return -EINVAL;
+ if (if_up)
+ nicvf_stop(dev);
+
nic->qs->rq_cnt = channel->rx_count;
nic->qs->sq_cnt = channel->tx_count;
nic->qs->cq_cnt = max(nic->qs->rq_cnt, nic->qs->sq_cnt);
@@ -559,11 +567,9 @@ static int nicvf_set_channels(struct net_device *dev,
if (err)
return err;
- if (!netif_running(dev))
- return err;
+ if (if_up)
+ nicvf_open(dev);
- nicvf_stop(dev);
- nicvf_open(dev);
netdev_info(dev, "Setting num Tx rings to %d, Rx rings to %d success\n",
nic->qs->sq_cnt, nic->qs->rq_cnt);
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
index 8b119a035b7e..3b90afb8c293 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
@@ -234,7 +234,7 @@ static void nicvf_handle_mbx_intr(struct nicvf *nic)
nic->duplex == DUPLEX_FULL ?
"Full duplex" : "Half duplex");
netif_carrier_on(nic->netdev);
- netif_tx_wake_all_queues(nic->netdev);
+ netif_tx_start_all_queues(nic->netdev);
} else {
netdev_info(nic->netdev, "%s: Link is Down\n",
nic->netdev->name);
@@ -425,6 +425,7 @@ static void nicvf_snd_pkt_handler(struct net_device *netdev,
if (skb) {
prefetch(skb);
dev_consume_skb_any(skb);
+ sq->skbuff[cqe_tx->sqe_ptr] = (u64)NULL;
}
}
@@ -476,12 +477,13 @@ static void nicvf_rcv_pkt_handler(struct net_device *netdev,
static int nicvf_cq_intr_handler(struct net_device *netdev, u8 cq_idx,
struct napi_struct *napi, int budget)
{
- int processed_cqe, work_done = 0;
+ int processed_cqe, work_done = 0, tx_done = 0;
int cqe_count, cqe_head;
struct nicvf *nic = netdev_priv(netdev);
struct queue_set *qs = nic->qs;
struct cmp_queue *cq = &qs->cq[cq_idx];
struct cqe_rx_t *cq_desc;
+ struct netdev_queue *txq;
spin_lock_bh(&cq->lock);
loop:
@@ -496,8 +498,8 @@ loop:
cqe_head = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_HEAD, cq_idx) >> 9;
cqe_head &= 0xFFFF;
- netdev_dbg(nic->netdev, "%s cqe_count %d cqe_head %d\n",
- __func__, cqe_count, cqe_head);
+ netdev_dbg(nic->netdev, "%s CQ%d cqe_count %d cqe_head %d\n",
+ __func__, cq_idx, cqe_count, cqe_head);
while (processed_cqe < cqe_count) {
/* Get the CQ descriptor */
cq_desc = (struct cqe_rx_t *)GET_CQ_DESC(cq, cqe_head);
@@ -511,8 +513,8 @@ loop:
break;
}
- netdev_dbg(nic->netdev, "cq_desc->cqe_type %d\n",
- cq_desc->cqe_type);
+ netdev_dbg(nic->netdev, "CQ%d cq_desc->cqe_type %d\n",
+ cq_idx, cq_desc->cqe_type);
switch (cq_desc->cqe_type) {
case CQE_TYPE_RX:
nicvf_rcv_pkt_handler(netdev, napi, cq,
@@ -522,6 +524,7 @@ loop:
case CQE_TYPE_SEND:
nicvf_snd_pkt_handler(netdev, cq,
(void *)cq_desc, CQE_TYPE_SEND);
+ tx_done++;
break;
case CQE_TYPE_INVALID:
case CQE_TYPE_RX_SPLIT:
@@ -532,8 +535,9 @@ loop:
}
processed_cqe++;
}
- netdev_dbg(nic->netdev, "%s processed_cqe %d work_done %d budget %d\n",
- __func__, processed_cqe, work_done, budget);
+ netdev_dbg(nic->netdev,
+ "%s CQ%d processed_cqe %d work_done %d budget %d\n",
+ __func__, cq_idx, processed_cqe, work_done, budget);
/* Ring doorbell to inform H/W to reuse processed CQEs */
nicvf_queue_reg_write(nic, NIC_QSET_CQ_0_7_DOOR,
@@ -543,6 +547,19 @@ loop:
goto loop;
done:
+ /* Wakeup TXQ if its stopped earlier due to SQ full */
+ if (tx_done) {
+ txq = netdev_get_tx_queue(netdev, cq_idx);
+ if (netif_tx_queue_stopped(txq)) {
+ netif_tx_start_queue(txq);
+ nic->drv_stats.txq_wake++;
+ if (netif_msg_tx_err(nic))
+ netdev_warn(netdev,
+ "%s: Transmit queue wakeup SQ%d\n",
+ netdev->name, cq_idx);
+ }
+ }
+
spin_unlock_bh(&cq->lock);
return work_done;
}
@@ -554,15 +571,10 @@ static int nicvf_poll(struct napi_struct *napi, int budget)
struct net_device *netdev = napi->dev;
struct nicvf *nic = netdev_priv(netdev);
struct nicvf_cq_poll *cq;
- struct netdev_queue *txq;
cq = container_of(napi, struct nicvf_cq_poll, napi);
work_done = nicvf_cq_intr_handler(netdev, cq->cq_idx, napi, budget);
- txq = netdev_get_tx_queue(netdev, cq->cq_idx);
- if (netif_tx_queue_stopped(txq))
- netif_tx_wake_queue(txq);
-
if (work_done < budget) {
/* Slow packet rate, exit polling */
napi_complete(napi);
@@ -833,9 +845,9 @@ static netdev_tx_t nicvf_xmit(struct sk_buff *skb, struct net_device *netdev)
return NETDEV_TX_OK;
}
- if (!nicvf_sq_append_skb(nic, skb) && !netif_tx_queue_stopped(txq)) {
+ if (!netif_tx_queue_stopped(txq) && !nicvf_sq_append_skb(nic, skb)) {
netif_tx_stop_queue(txq);
- nic->drv_stats.tx_busy++;
+ nic->drv_stats.txq_stop++;
if (netif_msg_tx_err(nic))
netdev_warn(netdev,
"%s: Transmit ring full, stopping SQ%d\n",
@@ -859,7 +871,6 @@ int nicvf_stop(struct net_device *netdev)
nicvf_send_msg_to_pf(nic, &mbx);
netif_carrier_off(netdev);
- netif_tx_disable(netdev);
/* Disable RBDR & QS error interrupts */
for (qidx = 0; qidx < qs->rbdr_cnt; qidx++) {
@@ -894,6 +905,8 @@ int nicvf_stop(struct net_device *netdev)
kfree(cq_poll);
}
+ netif_tx_disable(netdev);
+
/* Free resources */
nicvf_config_data_transfer(nic, false);
@@ -988,6 +1001,9 @@ int nicvf_open(struct net_device *netdev)
for (qidx = 0; qidx < qs->rbdr_cnt; qidx++)
nicvf_enable_intr(nic, NICVF_INTR_RBDR, qidx);
+ nic->drv_stats.txq_stop = 0;
+ nic->drv_stats.txq_wake = 0;
+
netif_carrier_on(netdev);
netif_tx_start_all_queues(netdev);
@@ -1278,6 +1294,7 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
netdev->hw_features = netdev->features;
netdev->netdev_ops = &nicvf_netdev_ops;
+ netdev->watchdog_timeo = NICVF_TX_TIMEOUT;
INIT_WORK(&nic->reset_task, nicvf_reset_task);
@@ -1318,11 +1335,17 @@ static void nicvf_remove(struct pci_dev *pdev)
pci_disable_device(pdev);
}
+static void nicvf_shutdown(struct pci_dev *pdev)
+{
+ nicvf_remove(pdev);
+}
+
static struct pci_driver nicvf_driver = {
.name = DRV_NAME,
.id_table = nicvf_id_table,
.probe = nicvf_probe,
.remove = nicvf_remove,
+ .shutdown = nicvf_shutdown,
};
static int __init nicvf_init_module(void)
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
index d69d228d11a0..ca4240aa6d15 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
@@ -103,9 +103,11 @@ static inline int nicvf_alloc_rcv_buffer(struct nicvf *nic, gfp_t gfp,
/* Allocate a new page */
if (!nic->rb_page) {
- nic->rb_page = alloc_pages(gfp | __GFP_COMP, order);
+ nic->rb_page = alloc_pages(gfp | __GFP_COMP | __GFP_NOWARN,
+ order);
if (!nic->rb_page) {
- netdev_err(nic->netdev, "Failed to allocate new rcv buffer\n");
+ netdev_err(nic->netdev,
+ "Failed to allocate new rcv buffer\n");
return -ENOMEM;
}
nic->rb_page_offset = 0;
@@ -382,7 +384,8 @@ static void nicvf_free_snd_queue(struct nicvf *nic, struct snd_queue *sq)
return;
if (sq->tso_hdrs)
- dma_free_coherent(&nic->pdev->dev, sq->dmem.q_len,
+ dma_free_coherent(&nic->pdev->dev,
+ sq->dmem.q_len * TSO_HEADER_SIZE,
sq->tso_hdrs, sq->tso_hdrs_phys);
kfree(sq->skbuff);
@@ -863,10 +866,11 @@ void nicvf_sq_free_used_descs(struct net_device *netdev, struct snd_queue *sq,
continue;
}
skb = (struct sk_buff *)sq->skbuff[sq->head];
+ if (skb)
+ dev_kfree_skb_any(skb);
atomic64_add(1, (atomic64_t *)&netdev->stats.tx_packets);
atomic64_add(hdr->tot_len,
(atomic64_t *)&netdev->stats.tx_bytes);
- dev_kfree_skb_any(skb);
nicvf_put_sq_desc(sq, hdr->subdesc_cnt + 1);
}
}
@@ -992,7 +996,7 @@ static inline void nicvf_sq_add_gather_subdesc(struct snd_queue *sq, int qentry,
memset(gather, 0, SND_QUEUE_DESC_SIZE);
gather->subdesc_type = SQ_DESC_TYPE_GATHER;
- gather->ld_type = NIC_SEND_LD_TYPE_E_LDWB;
+ gather->ld_type = NIC_SEND_LD_TYPE_E_LDD;
gather->size = size;
gather->addr = data;
}
@@ -1048,7 +1052,7 @@ static int nicvf_sq_append_tso(struct nicvf *nic, struct snd_queue *sq,
}
nicvf_sq_add_hdr_subdesc(sq, hdr_qentry,
seg_subdescs - 1, skb, seg_len);
- sq->skbuff[hdr_qentry] = 0;
+ sq->skbuff[hdr_qentry] = (u64)NULL;
qentry = nicvf_get_nxt_sqentry(sq, qentry);
desc_cnt += seg_subdescs;
@@ -1062,6 +1066,7 @@ static int nicvf_sq_append_tso(struct nicvf *nic, struct snd_queue *sq,
/* Inform HW to xmit all TSO segments */
nicvf_queue_reg_write(nic, NIC_QSET_SQ_0_7_DOOR,
skb_get_queue_mapping(skb), desc_cnt);
+ nic->drv_stats.tx_tso++;
return 1;
}
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
index 8341bdf755d1..f0937b7bfe9f 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
@@ -62,7 +62,7 @@
#define SND_QUEUE_CNT 8
#define CMP_QUEUE_CNT 8 /* Max of RCV and SND qcount */
-#define SND_QSIZE SND_QUEUE_SIZE4
+#define SND_QSIZE SND_QUEUE_SIZE2
#define SND_QUEUE_LEN (1ULL << (SND_QSIZE + 10))
#define MAX_SND_QUEUE_LEN (1ULL << (SND_QUEUE_SIZE6 + 10))
#define SND_QUEUE_THRESH 2ULL
@@ -70,7 +70,10 @@
/* Since timestamp not enabled, otherwise 2 */
#define MAX_CQE_PER_PKT_XMIT 1
-#define CMP_QSIZE CMP_QUEUE_SIZE4
+/* Keep CQ and SQ sizes same, if timestamping
+ * is enabled this equation will change.
+ */
+#define CMP_QSIZE CMP_QUEUE_SIZE2
#define CMP_QUEUE_LEN (1ULL << (CMP_QSIZE + 10))
#define CMP_QUEUE_CQE_THRESH 0
#define CMP_QUEUE_TIMER_THRESH 220 /* 10usec */
@@ -87,7 +90,12 @@
#define MAX_CQES_FOR_TX ((SND_QUEUE_LEN / MIN_SQ_DESC_PER_PKT_XMIT) * \
MAX_CQE_PER_PKT_XMIT)
-#define RQ_CQ_DROP ((CMP_QUEUE_LEN - MAX_CQES_FOR_TX) / 256)
+/* Calculate number of CQEs to reserve for all SQEs.
+ * Its 1/256th level of CQ size.
+ * '+ 1' to account for pipelining
+ */
+#define RQ_CQ_DROP ((256 / (CMP_QUEUE_LEN / \
+ (CMP_QUEUE_LEN - MAX_CQES_FOR_TX))) + 1)
/* Descriptor size in bytes */
#define SND_QUEUE_DESC_SIZE 16
diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
index 633ec05dfe05..b961a89dc626 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
@@ -673,7 +673,10 @@ static void bgx_lmac_disable(struct bgx *bgx, u8 lmacid)
bgx_reg_write(bgx, lmacid, BGX_CMRX_CFG, cmrx_cfg);
bgx_flush_dmac_addrs(bgx, lmacid);
- if (lmac->phydev)
+ if ((bgx->lmac_type != BGX_MODE_XFI) &&
+ (bgx->lmac_type != BGX_MODE_XLAUI) &&
+ (bgx->lmac_type != BGX_MODE_40G_KR) &&
+ (bgx->lmac_type != BGX_MODE_10G_KR) && lmac->phydev)
phy_disconnect(lmac->phydev);
lmac->phydev = NULL;
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index 1eee73cccdf5..99d33e2d35e6 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -562,6 +562,7 @@ struct fec_enet_private {
};
void fec_ptp_init(struct platform_device *pdev);
+void fec_ptp_stop(struct platform_device *pdev);
void fec_ptp_start_cyclecounter(struct net_device *ndev);
int fec_ptp_set(struct net_device *ndev, struct ifreq *ifr);
int fec_ptp_get(struct net_device *ndev, struct ifreq *ifr);
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 1f89c59b4353..32e3807c650e 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -24,6 +24,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/string.h>
+#include <linux/pm_runtime.h>
#include <linux/ptrace.h>
#include <linux/errno.h>
#include <linux/ioport.h>
@@ -77,6 +78,7 @@ static void fec_enet_itr_coal_init(struct net_device *ndev);
#define FEC_ENET_RAEM_V 0x8
#define FEC_ENET_RAFL_V 0x8
#define FEC_ENET_OPD_V 0xFFF0
+#define FEC_MDIO_PM_TIMEOUT 100 /* ms */
static struct platform_device_id fec_devtype[] = {
{
@@ -1767,7 +1769,13 @@ static void fec_enet_adjust_link(struct net_device *ndev)
static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
{
struct fec_enet_private *fep = bus->priv;
+ struct device *dev = &fep->pdev->dev;
unsigned long time_left;
+ int ret = 0;
+
+ ret = pm_runtime_get_sync(dev);
+ if (IS_ERR_VALUE(ret))
+ return ret;
fep->mii_timeout = 0;
init_completion(&fep->mdio_done);
@@ -1783,18 +1791,30 @@ static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
if (time_left == 0) {
fep->mii_timeout = 1;
netdev_err(fep->netdev, "MDIO read timeout\n");
- return -ETIMEDOUT;
+ ret = -ETIMEDOUT;
+ goto out;
}
- /* return value */
- return FEC_MMFR_DATA(readl(fep->hwp + FEC_MII_DATA));
+ ret = FEC_MMFR_DATA(readl(fep->hwp + FEC_MII_DATA));
+
+out:
+ pm_runtime_mark_last_busy(dev);
+ pm_runtime_put_autosuspend(dev);
+
+ return ret;
}
static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
u16 value)
{
struct fec_enet_private *fep = bus->priv;
+ struct device *dev = &fep->pdev->dev;
unsigned long time_left;
+ int ret = 0;
+
+ ret = pm_runtime_get_sync(dev);
+ if (IS_ERR_VALUE(ret))
+ return ret;
fep->mii_timeout = 0;
init_completion(&fep->mdio_done);
@@ -1811,10 +1831,13 @@ static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
if (time_left == 0) {
fep->mii_timeout = 1;
netdev_err(fep->netdev, "MDIO write timeout\n");
- return -ETIMEDOUT;
+ ret = -ETIMEDOUT;
}
- return 0;
+ pm_runtime_mark_last_busy(dev);
+ pm_runtime_put_autosuspend(dev);
+
+ return ret;
}
static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
@@ -1826,9 +1849,6 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
ret = clk_prepare_enable(fep->clk_ahb);
if (ret)
return ret;
- ret = clk_prepare_enable(fep->clk_ipg);
- if (ret)
- goto failed_clk_ipg;
if (fep->clk_enet_out) {
ret = clk_prepare_enable(fep->clk_enet_out);
if (ret)
@@ -1852,7 +1872,6 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
}
} else {
clk_disable_unprepare(fep->clk_ahb);
- clk_disable_unprepare(fep->clk_ipg);
if (fep->clk_enet_out)
clk_disable_unprepare(fep->clk_enet_out);
if (fep->clk_ptp) {
@@ -1874,8 +1893,6 @@ failed_clk_ptp:
if (fep->clk_enet_out)
clk_disable_unprepare(fep->clk_enet_out);
failed_clk_enet_out:
- clk_disable_unprepare(fep->clk_ipg);
-failed_clk_ipg:
clk_disable_unprepare(fep->clk_ahb);
return ret;
@@ -2847,10 +2864,14 @@ fec_enet_open(struct net_device *ndev)
struct fec_enet_private *fep = netdev_priv(ndev);
int ret;
+ ret = pm_runtime_get_sync(&fep->pdev->dev);
+ if (IS_ERR_VALUE(ret))
+ return ret;
+
pinctrl_pm_select_default_state(&fep->pdev->dev);
ret = fec_enet_clk_enable(ndev, true);
if (ret)
- return ret;
+ goto clk_enable;
/* I should reset the ring buffers here, but I don't yet know
* a simple way to do that.
@@ -2881,6 +2902,9 @@ err_enet_mii_probe:
fec_enet_free_buffers(ndev);
err_enet_alloc:
fec_enet_clk_enable(ndev, false);
+clk_enable:
+ pm_runtime_mark_last_busy(&fep->pdev->dev);
+ pm_runtime_put_autosuspend(&fep->pdev->dev);
pinctrl_pm_select_sleep_state(&fep->pdev->dev);
return ret;
}
@@ -2903,6 +2927,9 @@ fec_enet_close(struct net_device *ndev)
fec_enet_clk_enable(ndev, false);
pinctrl_pm_select_sleep_state(&fep->pdev->dev);
+ pm_runtime_mark_last_busy(&fep->pdev->dev);
+ pm_runtime_put_autosuspend(&fep->pdev->dev);
+
fec_enet_free_buffers(ndev);
return 0;
@@ -3115,8 +3142,8 @@ static int fec_enet_init(struct net_device *ndev)
fep->bufdesc_size;
/* Allocate memory for buffer descriptors. */
- cbd_base = dma_alloc_coherent(NULL, bd_size, &bd_dma,
- GFP_KERNEL);
+ cbd_base = dmam_alloc_coherent(&fep->pdev->dev, bd_size, &bd_dma,
+ GFP_KERNEL);
if (!cbd_base) {
return -ENOMEM;
}
@@ -3388,6 +3415,10 @@ fec_probe(struct platform_device *pdev)
if (ret)
goto failed_clk;
+ ret = clk_prepare_enable(fep->clk_ipg);
+ if (ret)
+ goto failed_clk_ipg;
+
fep->reg_phy = devm_regulator_get(&pdev->dev, "phy");
if (!IS_ERR(fep->reg_phy)) {
ret = regulator_enable(fep->reg_phy);
@@ -3400,6 +3431,11 @@ fec_probe(struct platform_device *pdev)
fep->reg_phy = NULL;
}
+ pm_runtime_set_autosuspend_delay(&pdev->dev, FEC_MDIO_PM_TIMEOUT);
+ pm_runtime_use_autosuspend(&pdev->dev);
+ pm_runtime_set_active(&pdev->dev);
+ pm_runtime_enable(&pdev->dev);
+
fec_reset_phy(pdev);
if (fep->bufdesc_ex)
@@ -3447,6 +3483,10 @@ fec_probe(struct platform_device *pdev)
fep->rx_copybreak = COPYBREAK_DEFAULT;
INIT_WORK(&fep->tx_timeout_work, fec_enet_timeout_work);
+
+ pm_runtime_mark_last_busy(&pdev->dev);
+ pm_runtime_put_autosuspend(&pdev->dev);
+
return 0;
failed_register:
@@ -3454,9 +3494,12 @@ failed_register:
failed_mii_init:
failed_irq:
failed_init:
+ fec_ptp_stop(pdev);
if (fep->reg_phy)
regulator_disable(fep->reg_phy);
failed_regulator:
+ clk_disable_unprepare(fep->clk_ipg);
+failed_clk_ipg:
fec_enet_clk_enable(ndev, false);
failed_clk:
failed_phy:
@@ -3473,14 +3516,12 @@ fec_drv_remove(struct platform_device *pdev)
struct net_device *ndev = platform_get_drvdata(pdev);
struct fec_enet_private *fep = netdev_priv(ndev);
- cancel_delayed_work_sync(&fep->time_keep);
cancel_work_sync(&fep->tx_timeout_work);
+ fec_ptp_stop(pdev);
unregister_netdev(ndev);
fec_enet_mii_remove(fep);
if (fep->reg_phy)
regulator_disable(fep->reg_phy);
- if (fep->ptp_clock)
- ptp_clock_unregister(fep->ptp_clock);
of_node_put(fep->phy_node);
free_netdev(ndev);
@@ -3568,7 +3609,28 @@ failed_clk:
return ret;
}
-static SIMPLE_DEV_PM_OPS(fec_pm_ops, fec_suspend, fec_resume);
+static int __maybe_unused fec_runtime_suspend(struct device *dev)
+{
+ struct net_device *ndev = dev_get_drvdata(dev);
+ struct fec_enet_private *fep = netdev_priv(ndev);
+
+ clk_disable_unprepare(fep->clk_ipg);
+
+ return 0;
+}
+
+static int __maybe_unused fec_runtime_resume(struct device *dev)
+{
+ struct net_device *ndev = dev_get_drvdata(dev);
+ struct fec_enet_private *fep = netdev_priv(ndev);
+
+ return clk_prepare_enable(fep->clk_ipg);
+}
+
+static const struct dev_pm_ops fec_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(fec_suspend, fec_resume)
+ SET_RUNTIME_PM_OPS(fec_runtime_suspend, fec_runtime_resume, NULL)
+};
static struct platform_driver fec_driver = {
.driver = {
diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c
index a15663ad7f5e..f457a23d0bfb 100644
--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@@ -604,6 +604,16 @@ void fec_ptp_init(struct platform_device *pdev)
schedule_delayed_work(&fep->time_keep, HZ);
}
+void fec_ptp_stop(struct platform_device *pdev)
+{
+ struct net_device *ndev = platform_get_drvdata(pdev);
+ struct fec_enet_private *fep = netdev_priv(ndev);
+
+ cancel_delayed_work_sync(&fep->time_keep);
+ if (fep->ptp_clock)
+ ptp_clock_unregister(fep->ptp_clock);
+}
+
/**
* fec_ptp_check_pps_event
* @fep: the fec_enet_private structure handle
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index ff875028fdff..2b7610f341b0 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -565,22 +565,6 @@ static void gfar_ints_enable(struct gfar_private *priv)
}
}
-static void lock_tx_qs(struct gfar_private *priv)
-{
- int i;
-
- for (i = 0; i < priv->num_tx_queues; i++)
- spin_lock(&priv->tx_queue[i]->txlock);
-}
-
-static void unlock_tx_qs(struct gfar_private *priv)
-{
- int i;
-
- for (i = 0; i < priv->num_tx_queues; i++)
- spin_unlock(&priv->tx_queue[i]->txlock);
-}
-
static int gfar_alloc_tx_queues(struct gfar_private *priv)
{
int i;
@@ -1376,7 +1360,6 @@ static int gfar_probe(struct platform_device *ofdev)
priv->dev = &ofdev->dev;
SET_NETDEV_DEV(dev, &ofdev->dev);
- spin_lock_init(&priv->bflock);
INIT_WORK(&priv->reset_task, gfar_reset_task);
platform_set_drvdata(ofdev, priv);
@@ -1470,9 +1453,8 @@ static int gfar_probe(struct platform_device *ofdev)
goto register_fail;
}
- device_init_wakeup(&dev->dev,
- priv->device_flags &
- FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
+ device_set_wakeup_capable(&dev->dev, priv->device_flags &
+ FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
/* fill out IRQ number and name fields */
for (i = 0; i < priv->num_grps; i++) {
@@ -1540,48 +1522,37 @@ static int gfar_suspend(struct device *dev)
struct gfar_private *priv = dev_get_drvdata(dev);
struct net_device *ndev = priv->ndev;
struct gfar __iomem *regs = priv->gfargrp[0].regs;
- unsigned long flags;
u32 tempval;
-
int magic_packet = priv->wol_en &&
(priv->device_flags &
FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
+ if (!netif_running(ndev))
+ return 0;
+
+ disable_napi(priv);
+ netif_tx_lock(ndev);
netif_device_detach(ndev);
+ netif_tx_unlock(ndev);
- if (netif_running(ndev)) {
+ gfar_halt(priv);
- local_irq_save(flags);
- lock_tx_qs(priv);
+ if (magic_packet) {
+ /* Enable interrupt on Magic Packet */
+ gfar_write(&regs->imask, IMASK_MAG);
- gfar_halt_nodisable(priv);
+ /* Enable Magic Packet mode */
+ tempval = gfar_read(&regs->maccfg2);
+ tempval |= MACCFG2_MPEN;
+ gfar_write(&regs->maccfg2, tempval);
- /* Disable Tx, and Rx if wake-on-LAN is disabled. */
+ /* re-enable the Rx block */
tempval = gfar_read(&regs->maccfg1);
-
- tempval &= ~MACCFG1_TX_EN;
-
- if (!magic_packet)
- tempval &= ~MACCFG1_RX_EN;
-
+ tempval |= MACCFG1_RX_EN;
gfar_write(&regs->maccfg1, tempval);
- unlock_tx_qs(priv);
- local_irq_restore(flags);
-
- disable_napi(priv);
-
- if (magic_packet) {
- /* Enable interrupt on Magic Packet */
- gfar_write(&regs->imask, IMASK_MAG);
-
- /* Enable Magic Packet mode */
- tempval = gfar_read(&regs->maccfg2);
- tempval |= MACCFG2_MPEN;
- gfar_write(&regs->maccfg2, tempval);
- } else {
- phy_stop(priv->phydev);
- }
+ } else {
+ phy_stop(priv->phydev);
}
return 0;
@@ -1592,37 +1563,26 @@ static int gfar_resume(struct device *dev)
struct gfar_private *priv = dev_get_drvdata(dev);
struct net_device *ndev = priv->ndev;
struct gfar __iomem *regs = priv->gfargrp[0].regs;
- unsigned long flags;
u32 tempval;
int magic_packet = priv->wol_en &&
(priv->device_flags &
FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
- if (!netif_running(ndev)) {
- netif_device_attach(ndev);
+ if (!netif_running(ndev))
return 0;
- }
- if (!magic_packet && priv->phydev)
+ if (magic_packet) {
+ /* Disable Magic Packet mode */
+ tempval = gfar_read(&regs->maccfg2);
+ tempval &= ~MACCFG2_MPEN;
+ gfar_write(&regs->maccfg2, tempval);
+ } else {
phy_start(priv->phydev);
-
- /* Disable Magic Packet mode, in case something
- * else woke us up.
- */
- local_irq_save(flags);
- lock_tx_qs(priv);
-
- tempval = gfar_read(&regs->maccfg2);
- tempval &= ~MACCFG2_MPEN;
- gfar_write(&regs->maccfg2, tempval);
+ }
gfar_start(priv);
- unlock_tx_qs(priv);
- local_irq_restore(flags);
-
netif_device_attach(ndev);
-
enable_napi(priv);
return 0;
@@ -2045,7 +2005,8 @@ static int register_grp_irqs(struct gfar_priv_grp *grp)
/* Install our interrupt handlers for Error,
* Transmit, and Receive
*/
- err = request_irq(gfar_irq(grp, ER)->irq, gfar_error, 0,
+ err = request_irq(gfar_irq(grp, ER)->irq, gfar_error,
+ IRQF_NO_SUSPEND,
gfar_irq(grp, ER)->name, grp);
if (err < 0) {
netif_err(priv, intr, dev, "Can't get IRQ %d\n",
@@ -2068,7 +2029,8 @@ static int register_grp_irqs(struct gfar_priv_grp *grp)
goto rx_irq_fail;
}
} else {
- err = request_irq(gfar_irq(grp, TX)->irq, gfar_interrupt, 0,
+ err = request_irq(gfar_irq(grp, TX)->irq, gfar_interrupt,
+ IRQF_NO_SUSPEND,
gfar_irq(grp, TX)->name, grp);
if (err < 0) {
netif_err(priv, intr, dev, "Can't get IRQ %d\n",
@@ -2169,8 +2131,6 @@ static int gfar_enet_open(struct net_device *dev)
if (err)
return err;
- device_set_wakeup_enable(&dev->dev, priv->wol_en);
-
return err;
}
diff --git a/drivers/net/ethernet/freescale/gianfar.h b/drivers/net/ethernet/freescale/gianfar.h
index daa1d37de642..5545e4103368 100644
--- a/drivers/net/ethernet/freescale/gianfar.h
+++ b/drivers/net/ethernet/freescale/gianfar.h
@@ -1145,9 +1145,6 @@ struct gfar_private {
int oldduplex;
int oldlink;
- /* Bitfield update lock */
- spinlock_t bflock;
-
uint32_t msg_enable;
struct work_struct reset_task;
diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c
index fda12fb32ec7..3c0a8f825b63 100644
--- a/drivers/net/ethernet/freescale/gianfar_ethtool.c
+++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c
@@ -653,7 +653,6 @@ static void gfar_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct gfar_private *priv = netdev_priv(dev);
- unsigned long flags;
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) &&
wol->wolopts != 0)
@@ -664,9 +663,7 @@ static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
device_set_wakeup_enable(&dev->dev, wol->wolopts & WAKE_MAGIC);
- spin_lock_irqsave(&priv->bflock, flags);
- priv->wol_en = !!device_may_wakeup(&dev->dev);
- spin_unlock_irqrestore(&priv->bflock, flags);
+ priv->wol_en = !!device_may_wakeup(&dev->dev);
return 0;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index 82040137d7d9..0a3202047569 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -686,6 +686,7 @@ static int mlx4_cmd_wait(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
{
struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd;
struct mlx4_cmd_context *context;
+ long ret_wait;
int err = 0;
down(&cmd->event_sem);
@@ -711,8 +712,20 @@ static int mlx4_cmd_wait(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
if (err)
goto out_reset;
- if (!wait_for_completion_timeout(&context->done,
- msecs_to_jiffies(timeout))) {
+ if (op == MLX4_CMD_SENSE_PORT) {
+ ret_wait =
+ wait_for_completion_interruptible_timeout(&context->done,
+ msecs_to_jiffies(timeout));
+ if (ret_wait < 0) {
+ context->fw_status = 0;
+ context->out_param = 0;
+ context->result = 0;
+ }
+ } else {
+ ret_wait = (long)wait_for_completion_timeout(&context->done,
+ msecs_to_jiffies(timeout));
+ }
+ if (!ret_wait) {
mlx4_warn(dev, "command 0x%x timed out (go bit not cleared)\n",
op);
if (op == MLX4_CMD_NOP) {
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 7a4f20bb7fcb..9c145dddd717 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -246,7 +246,6 @@ static int mlx4_en_prepare_rx_desc(struct mlx4_en_priv *priv,
static inline bool mlx4_en_is_ring_empty(struct mlx4_en_rx_ring *ring)
{
- BUG_ON((u32)(ring->prod - ring->cons) > ring->actual_size);
return ring->prod == ring->cons;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c
index aae13adfb492..8e81e53c370e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/eq.c
@@ -601,7 +601,7 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq)
continue;
mlx4_dbg(dev, "%s: Sending MLX4_PORT_CHANGE_SUBTYPE_DOWN to slave: %d, port:%d\n",
__func__, i, port);
- s_info = &priv->mfunc.master.vf_oper[slave].vport[port].state;
+ s_info = &priv->mfunc.master.vf_oper[i].vport[port].state;
if (IFLA_VF_LINK_STATE_AUTO == s_info->link_state) {
eqe->event.port_change.port =
cpu_to_be32(
@@ -640,7 +640,7 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq)
continue;
if (i == mlx4_master_func_num(dev))
continue;
- s_info = &priv->mfunc.master.vf_oper[slave].vport[port].state;
+ s_info = &priv->mfunc.master.vf_oper[i].vport[port].state;
if (IFLA_VF_LINK_STATE_AUTO == s_info->link_state) {
eqe->event.port_change.port =
cpu_to_be32(
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 12fbfcb44d8a..29c2a017a450 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -2273,6 +2273,11 @@ static int mlx4_allocate_default_counters(struct mlx4_dev *dev)
} else if (err == -ENOENT) {
err = 0;
continue;
+ } else if (mlx4_is_slave(dev) && err == -EINVAL) {
+ priv->def_counter[port] = MLX4_SINK_COUNTER_INDEX(dev);
+ mlx4_warn(dev, "can't allocate counter from old PF driver, using index %d\n",
+ MLX4_SINK_COUNTER_INDEX(dev));
+ err = 0;
} else {
mlx4_err(dev, "%s: failed to allocate default counter port %d err %d\n",
__func__, port + 1, err);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
index 33669c29b341..753ea8bad953 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
@@ -1415,7 +1415,7 @@ static int qlcnic_83xx_copy_fw_file(struct qlcnic_adapter *adapter)
if (fw->size & 0xF) {
addr = dest + size;
for (i = 0; i < (fw->size & 0xF); i++)
- data[i] = temp[size + i];
+ data[i] = ((u8 *)temp)[size + i];
for (; i < 16; i++)
data[i] = 0;
ret = qlcnic_ms_mem_write128(adapter, addr,
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index f3918c7e7eeb..bcdc8955c719 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -413,3 +413,7 @@ static int stmmac_pltfr_resume(struct device *dev)
SIMPLE_DEV_PM_OPS(stmmac_pltfr_pm_ops, stmmac_pltfr_suspend,
stmmac_pltfr_resume);
EXPORT_SYMBOL_GPL(stmmac_pltfr_pm_ops);
+
+MODULE_DESCRIPTION("STMMAC 10/100/1000 Ethernet platform support");
+MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index 0c5842aeb807..ab6051a43134 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -6658,10 +6658,8 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
struct sk_buff *skb_new;
skb_new = skb_realloc_headroom(skb, len);
- if (!skb_new) {
- rp->tx_errors++;
+ if (!skb_new)
goto out_drop;
- }
kfree_skb(skb);
skb = skb_new;
} else
diff --git a/drivers/net/ethernet/ti/netcp.h b/drivers/net/ethernet/ti/netcp.h
index bbacf5cccec2..a8a730641bbb 100644
--- a/drivers/net/ethernet/ti/netcp.h
+++ b/drivers/net/ethernet/ti/netcp.h
@@ -223,6 +223,7 @@ void *netcp_device_find_module(struct netcp_device *netcp_device,
/* SGMII functions */
int netcp_sgmii_reset(void __iomem *sgmii_ofs, int port);
+bool netcp_sgmii_rtreset(void __iomem *sgmii_ofs, int port, bool set);
int netcp_sgmii_get_port_link(void __iomem *sgmii_ofs, int port);
int netcp_sgmii_config(void __iomem *sgmii_ofs, int port, u32 interface);
diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c
index ec8ed30196f3..9749dfd78c43 100644
--- a/drivers/net/ethernet/ti/netcp_core.c
+++ b/drivers/net/ethernet/ti/netcp_core.c
@@ -2112,6 +2112,7 @@ probe_quit:
static int netcp_remove(struct platform_device *pdev)
{
struct netcp_device *netcp_device = platform_get_drvdata(pdev);
+ struct netcp_intf *netcp_intf, *netcp_tmp;
struct netcp_inst_modpriv *inst_modpriv, *tmp;
struct netcp_module *module;
@@ -2123,10 +2124,17 @@ static int netcp_remove(struct platform_device *pdev)
list_del(&inst_modpriv->inst_list);
kfree(inst_modpriv);
}
- WARN(!list_empty(&netcp_device->interface_head), "%s interface list not empty!\n",
- pdev->name);
- devm_kfree(&pdev->dev, netcp_device);
+ /* now that all modules are removed, clean up the interfaces */
+ list_for_each_entry_safe(netcp_intf, netcp_tmp,
+ &netcp_device->interface_head,
+ interface_list) {
+ netcp_delete_interface(netcp_device, netcp_intf->ndev);
+ }
+
+ WARN(!list_empty(&netcp_device->interface_head),
+ "%s interface list not empty!\n", pdev->name);
+
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
platform_set_drvdata(pdev, NULL);
diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c
index 9b7e0a34c98b..1974a8ae764a 100644
--- a/drivers/net/ethernet/ti/netcp_ethss.c
+++ b/drivers/net/ethernet/ti/netcp_ethss.c
@@ -1901,11 +1901,28 @@ static void gbe_port_config(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
writel(slave->mac_control, GBE_REG_ADDR(slave, emac_regs, mac_control));
}
+static void gbe_sgmii_rtreset(struct gbe_priv *priv,
+ struct gbe_slave *slave, bool set)
+{
+ void __iomem *sgmii_port_regs;
+
+ if (SLAVE_LINK_IS_XGMII(slave))
+ return;
+
+ if ((priv->ss_version == GBE_SS_VERSION_14) && (slave->slave_num >= 2))
+ sgmii_port_regs = priv->sgmii_port34_regs;
+ else
+ sgmii_port_regs = priv->sgmii_port_regs;
+
+ netcp_sgmii_rtreset(sgmii_port_regs, slave->slave_num, set);
+}
+
static void gbe_slave_stop(struct gbe_intf *intf)
{
struct gbe_priv *gbe_dev = intf->gbe_dev;
struct gbe_slave *slave = intf->slave;
+ gbe_sgmii_rtreset(gbe_dev, slave, true);
gbe_port_reset(slave);
/* Disable forwarding */
cpsw_ale_control_set(gbe_dev->ale, slave->port_num,
@@ -1947,6 +1964,7 @@ static int gbe_slave_open(struct gbe_intf *gbe_intf)
gbe_sgmii_config(priv, slave);
gbe_port_reset(slave);
+ gbe_sgmii_rtreset(priv, slave, false);
gbe_port_config(priv, slave, priv->rx_packet_max);
gbe_set_slave_mac(slave, gbe_intf);
/* enable forwarding */
@@ -2490,10 +2508,9 @@ static void free_secondary_ports(struct gbe_priv *gbe_dev)
{
struct gbe_slave *slave;
- for (;;) {
+ while (!list_empty(&gbe_dev->secondary_slaves)) {
slave = first_sec_slave(gbe_dev);
- if (!slave)
- break;
+
if (slave->phy)
phy_disconnect(slave->phy);
list_del(&slave->slave_list);
@@ -2839,14 +2856,13 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
&gbe_dev->dma_chan_name);
if (ret < 0) {
dev_err(dev, "missing \"tx-channel\" parameter\n");
- ret = -ENODEV;
- goto quit;
+ return -EINVAL;
}
if (!strcmp(node->name, "gbe")) {
ret = get_gbe_resource_version(gbe_dev, node);
if (ret)
- goto quit;
+ return ret;
dev_dbg(dev, "ss_version: 0x%08x\n", gbe_dev->ss_version);
@@ -2857,22 +2873,20 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
else
ret = -ENODEV;
- if (ret)
- goto quit;
} else if (!strcmp(node->name, "xgbe")) {
ret = set_xgbe_ethss10_priv(gbe_dev, node);
if (ret)
- goto quit;
+ return ret;
ret = netcp_xgbe_serdes_init(gbe_dev->xgbe_serdes_regs,
gbe_dev->ss_regs);
- if (ret)
- goto quit;
} else {
dev_err(dev, "unknown GBE node(%s)\n", node->name);
ret = -ENODEV;
- goto quit;
}
+ if (ret)
+ return ret;
+
interfaces = of_get_child_by_name(node, "interfaces");
if (!interfaces)
dev_err(dev, "could not find interfaces\n");
@@ -2880,11 +2894,11 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
ret = netcp_txpipe_init(&gbe_dev->tx_pipe, netcp_device,
gbe_dev->dma_chan_name, gbe_dev->tx_queue_id);
if (ret)
- goto quit;
+ return ret;
ret = netcp_txpipe_open(&gbe_dev->tx_pipe);
if (ret)
- goto quit;
+ return ret;
/* Create network interfaces */
INIT_LIST_HEAD(&gbe_dev->gbe_intf_head);
@@ -2899,6 +2913,7 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves)
break;
}
+ of_node_put(interfaces);
if (!gbe_dev->num_slaves)
dev_warn(dev, "No network interface configured\n");
@@ -2911,9 +2926,10 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
of_node_put(secondary_ports);
if (!gbe_dev->num_slaves) {
- dev_err(dev, "No network interface or secondary ports configured\n");
+ dev_err(dev,
+ "No network interface or secondary ports configured\n");
ret = -ENODEV;
- goto quit;
+ goto free_sec_ports;
}
memset(&ale_params, 0, sizeof(ale_params));
@@ -2927,7 +2943,7 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
if (!gbe_dev->ale) {
dev_err(gbe_dev->dev, "error initializing ale engine\n");
ret = -ENODEV;
- goto quit;
+ goto free_sec_ports;
} else {
dev_dbg(gbe_dev->dev, "Created a gbe ale engine\n");
}
@@ -2943,14 +2959,8 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
*inst_priv = gbe_dev;
return 0;
-quit:
- if (gbe_dev->hw_stats)
- devm_kfree(dev, gbe_dev->hw_stats);
- cpsw_ale_destroy(gbe_dev->ale);
- if (gbe_dev->ss_regs)
- devm_iounmap(dev, gbe_dev->ss_regs);
- of_node_put(interfaces);
- devm_kfree(dev, gbe_dev);
+free_sec_ports:
+ free_secondary_ports(gbe_dev);
return ret;
}
@@ -3023,12 +3033,9 @@ static int gbe_remove(struct netcp_device *netcp_device, void *inst_priv)
free_secondary_ports(gbe_dev);
if (!list_empty(&gbe_dev->gbe_intf_head))
- dev_alert(gbe_dev->dev, "unreleased ethss interfaces present\n");
+ dev_alert(gbe_dev->dev,
+ "unreleased ethss interfaces present\n");
- devm_kfree(gbe_dev->dev, gbe_dev->hw_stats);
- devm_iounmap(gbe_dev->dev, gbe_dev->ss_regs);
- memset(gbe_dev, 0x00, sizeof(*gbe_dev));
- devm_kfree(gbe_dev->dev, gbe_dev);
return 0;
}
diff --git a/drivers/net/ethernet/ti/netcp_sgmii.c b/drivers/net/ethernet/ti/netcp_sgmii.c
index dbeb14266e2f..5d8419f658d0 100644
--- a/drivers/net/ethernet/ti/netcp_sgmii.c
+++ b/drivers/net/ethernet/ti/netcp_sgmii.c
@@ -18,6 +18,9 @@
#include "netcp.h"
+#define SGMII_SRESET_RESET BIT(0)
+#define SGMII_SRESET_RTRESET BIT(1)
+
#define SGMII_REG_STATUS_LOCK BIT(4)
#define SGMII_REG_STATUS_LINK BIT(0)
#define SGMII_REG_STATUS_AUTONEG BIT(2)
@@ -51,12 +54,35 @@ static void sgmii_write_reg_bit(void __iomem *base, int reg, u32 val)
int netcp_sgmii_reset(void __iomem *sgmii_ofs, int port)
{
/* Soft reset */
- sgmii_write_reg_bit(sgmii_ofs, SGMII_SRESET_REG(port), 0x1);
- while (sgmii_read_reg(sgmii_ofs, SGMII_SRESET_REG(port)) != 0x0)
+ sgmii_write_reg_bit(sgmii_ofs, SGMII_SRESET_REG(port),
+ SGMII_SRESET_RESET);
+
+ while ((sgmii_read_reg(sgmii_ofs, SGMII_SRESET_REG(port)) &
+ SGMII_SRESET_RESET) != 0x0)
;
+
return 0;
}
+/* port is 0 based */
+bool netcp_sgmii_rtreset(void __iomem *sgmii_ofs, int port, bool set)
+{
+ u32 reg;
+ bool oldval;
+
+ /* Initiate a soft reset */
+ reg = sgmii_read_reg(sgmii_ofs, SGMII_SRESET_REG(port));
+ oldval = (reg & SGMII_SRESET_RTRESET) != 0x0;
+ if (set)
+ reg |= SGMII_SRESET_RTRESET;
+ else
+ reg &= ~SGMII_SRESET_RTRESET;
+ sgmii_write_reg(sgmii_ofs, SGMII_SRESET_REG(port), reg);
+ wmb();
+
+ return oldval;
+}
+
int netcp_sgmii_get_port_link(void __iomem *sgmii_ofs, int port)
{
u32 status = 0, link = 0;
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 3b933bb5a8d5..edd77342773a 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -719,6 +719,7 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
struct virtio_net_hdr vnet_hdr = { 0 };
int vnet_hdr_len = 0;
int copylen = 0;
+ int depth;
bool zerocopy = false;
size_t linear;
ssize_t n;
@@ -804,6 +805,12 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
skb_probe_transport_header(skb, ETH_HLEN);
+ /* Move network header to the right position for VLAN tagged packets */
+ if ((skb->protocol == htons(ETH_P_8021Q) ||
+ skb->protocol == htons(ETH_P_8021AD)) &&
+ __vlan_get_protocol(skb, skb->protocol, &depth) != 0)
+ skb_set_network_header(skb, depth);
+
rcu_read_lock();
vlan = rcu_dereference(q->vlan);
/* copy skb_ubuf_info for callback when skb has no error */
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 7f6419ebb5e1..ad8cbc6c9ee7 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -27,7 +27,7 @@
#include <linux/usb/cdc.h>
/* Version Information */
-#define DRIVER_VERSION "v1.08.0 (2015/01/13)"
+#define DRIVER_VERSION "v1.08.1 (2015/07/28)"
#define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
#define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters"
#define MODULENAME "r8152"
@@ -1902,11 +1902,10 @@ static void rtl_drop_queued_tx(struct r8152 *tp)
static void rtl8152_tx_timeout(struct net_device *netdev)
{
struct r8152 *tp = netdev_priv(netdev);
- int i;
netif_warn(tp, tx_err, netdev, "Tx timeout\n");
- for (i = 0; i < RTL8152_MAX_TX; i++)
- usb_unlink_urb(tp->tx_info[i].urb);
+
+ usb_queue_reset_device(tp->intf);
}
static void rtl8152_set_rx_mode(struct net_device *netdev)
@@ -2075,7 +2074,6 @@ static int rtl_start_rx(struct r8152 *tp)
{
int i, ret = 0;
- napi_disable(&tp->napi);
INIT_LIST_HEAD(&tp->rx_done);
for (i = 0; i < RTL8152_MAX_RX; i++) {
INIT_LIST_HEAD(&tp->rx_info[i].list);
@@ -2083,7 +2081,6 @@ static int rtl_start_rx(struct r8152 *tp)
if (ret)
break;
}
- napi_enable(&tp->napi);
if (ret && ++i < RTL8152_MAX_RX) {
struct list_head rx_queue;
@@ -2166,6 +2163,7 @@ static int rtl8153_enable(struct r8152 *tp)
if (test_bit(RTL8152_UNPLUG, &tp->flags))
return -ENODEV;
+ usb_disable_lpm(tp->udev);
set_tx_qlen(tp);
rtl_set_eee_plus(tp);
r8153_set_rx_early_timeout(tp);
@@ -2337,11 +2335,61 @@ static void __rtl_set_wol(struct r8152 *tp, u32 wolopts)
device_set_wakeup_enable(&tp->udev->dev, false);
}
+static void r8153_u1u2en(struct r8152 *tp, bool enable)
+{
+ u8 u1u2[8];
+
+ if (enable)
+ memset(u1u2, 0xff, sizeof(u1u2));
+ else
+ memset(u1u2, 0x00, sizeof(u1u2));
+
+ usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2);
+}
+
+static void r8153_u2p3en(struct r8152 *tp, bool enable)
+{
+ u32 ocp_data;
+
+ ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL);
+ if (enable && tp->version != RTL_VER_03 && tp->version != RTL_VER_04)
+ ocp_data |= U2P3_ENABLE;
+ else
+ ocp_data &= ~U2P3_ENABLE;
+ ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data);
+}
+
+static void r8153_power_cut_en(struct r8152 *tp, bool enable)
+{
+ u32 ocp_data;
+
+ ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT);
+ if (enable)
+ ocp_data |= PWR_EN | PHASE2_EN;
+ else
+ ocp_data &= ~(PWR_EN | PHASE2_EN);
+ ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
+
+ ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
+ ocp_data &= ~PCUT_STATUS;
+ ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
+}
+
+static bool rtl_can_wakeup(struct r8152 *tp)
+{
+ struct usb_device *udev = tp->udev;
+
+ return (udev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_WAKEUP);
+}
+
static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable)
{
if (enable) {
u32 ocp_data;
+ r8153_u1u2en(tp, false);
+ r8153_u2p3en(tp, false);
+
__rtl_set_wol(tp, WAKE_ANY);
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
@@ -2353,6 +2401,8 @@ static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable)
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
} else {
__rtl_set_wol(tp, tp->saved_wolopts);
+ r8153_u2p3en(tp, true);
+ r8153_u1u2en(tp, true);
}
}
@@ -2599,46 +2649,6 @@ static void r8153_hw_phy_cfg(struct r8152 *tp)
set_bit(PHY_RESET, &tp->flags);
}
-static void r8153_u1u2en(struct r8152 *tp, bool enable)
-{
- u8 u1u2[8];
-
- if (enable)
- memset(u1u2, 0xff, sizeof(u1u2));
- else
- memset(u1u2, 0x00, sizeof(u1u2));
-
- usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2);
-}
-
-static void r8153_u2p3en(struct r8152 *tp, bool enable)
-{
- u32 ocp_data;
-
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL);
- if (enable)
- ocp_data |= U2P3_ENABLE;
- else
- ocp_data &= ~U2P3_ENABLE;
- ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data);
-}
-
-static void r8153_power_cut_en(struct r8152 *tp, bool enable)
-{
- u32 ocp_data;
-
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT);
- if (enable)
- ocp_data |= PWR_EN | PHASE2_EN;
- else
- ocp_data &= ~(PWR_EN | PHASE2_EN);
- ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
-
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
- ocp_data &= ~PCUT_STATUS;
- ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
-}
-
static void r8153_first_init(struct r8152 *tp)
{
u32 ocp_data;
@@ -2781,6 +2791,7 @@ static void rtl8153_disable(struct r8152 *tp)
r8153_disable_aldps(tp);
rtl_disable(tp);
r8153_enable_aldps(tp);
+ usb_enable_lpm(tp->udev);
}
static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex)
@@ -2901,9 +2912,13 @@ static void rtl8153_up(struct r8152 *tp)
if (test_bit(RTL8152_UNPLUG, &tp->flags))
return;
+ r8153_u1u2en(tp, false);
r8153_disable_aldps(tp);
r8153_first_init(tp);
r8153_enable_aldps(tp);
+ r8153_u2p3en(tp, true);
+ r8153_u1u2en(tp, true);
+ usb_enable_lpm(tp->udev);
}
static void rtl8153_down(struct r8152 *tp)
@@ -2914,6 +2929,7 @@ static void rtl8153_down(struct r8152 *tp)
}
r8153_u1u2en(tp, false);
+ r8153_u2p3en(tp, false);
r8153_power_cut_en(tp, false);
r8153_disable_aldps(tp);
r8153_enter_oob(tp);
@@ -2932,8 +2948,10 @@ static void set_carrier(struct r8152 *tp)
if (!netif_carrier_ok(netdev)) {
tp->rtl_ops.enable(tp);
set_bit(RTL8152_SET_RX_MODE, &tp->flags);
+ napi_disable(&tp->napi);
netif_carrier_on(netdev);
rtl_start_rx(tp);
+ napi_enable(&tp->napi);
}
} else {
if (netif_carrier_ok(netdev)) {
@@ -3252,6 +3270,7 @@ static void r8153_init(struct r8152 *tp)
msleep(20);
}
+ usb_disable_lpm(tp->udev);
r8153_u2p3en(tp, false);
if (tp->version == RTL_VER_04) {
@@ -3319,6 +3338,59 @@ static void r8153_init(struct r8152 *tp)
r8153_enable_aldps(tp);
r8152b_enable_fc(tp);
rtl_tally_reset(tp);
+ r8153_u2p3en(tp, true);
+}
+
+static int rtl8152_pre_reset(struct usb_interface *intf)
+{
+ struct r8152 *tp = usb_get_intfdata(intf);
+ struct net_device *netdev;
+
+ if (!tp)
+ return 0;
+
+ netdev = tp->netdev;
+ if (!netif_running(netdev))
+ return 0;
+
+ napi_disable(&tp->napi);
+ clear_bit(WORK_ENABLE, &tp->flags);
+ usb_kill_urb(tp->intr_urb);
+ cancel_delayed_work_sync(&tp->schedule);
+ if (netif_carrier_ok(netdev)) {
+ netif_stop_queue(netdev);
+ mutex_lock(&tp->control);
+ tp->rtl_ops.disable(tp);
+ mutex_unlock(&tp->control);
+ }
+
+ return 0;
+}
+
+static int rtl8152_post_reset(struct usb_interface *intf)
+{
+ struct r8152 *tp = usb_get_intfdata(intf);
+ struct net_device *netdev;
+
+ if (!tp)
+ return 0;
+
+ netdev = tp->netdev;
+ if (!netif_running(netdev))
+ return 0;
+
+ set_bit(WORK_ENABLE, &tp->flags);
+ if (netif_carrier_ok(netdev)) {
+ mutex_lock(&tp->control);
+ tp->rtl_ops.enable(tp);
+ rtl8152_set_rx_mode(netdev);
+ mutex_unlock(&tp->control);
+ netif_wake_queue(netdev);
+ }
+
+ napi_enable(&tp->napi);
+
+ return 0;
}
static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
@@ -3374,9 +3446,11 @@ static int rtl8152_resume(struct usb_interface *intf)
if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
rtl_runtime_suspend_enable(tp, false);
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
+ napi_disable(&tp->napi);
set_bit(WORK_ENABLE, &tp->flags);
if (netif_carrier_ok(tp->netdev))
rtl_start_rx(tp);
+ napi_enable(&tp->napi);
} else {
tp->rtl_ops.up(tp);
rtl8152_set_speed(tp, AUTONEG_ENABLE,
@@ -3403,12 +3477,15 @@ static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
if (usb_autopm_get_interface(tp->intf) < 0)
return;
- mutex_lock(&tp->control);
-
- wol->supported = WAKE_ANY;
- wol->wolopts = __rtl_get_wol(tp);
-
- mutex_unlock(&tp->control);
+ if (!rtl_can_wakeup(tp)) {
+ wol->supported = 0;
+ wol->wolopts = 0;
+ } else {
+ mutex_lock(&tp->control);
+ wol->supported = WAKE_ANY;
+ wol->wolopts = __rtl_get_wol(tp);
+ mutex_unlock(&tp->control);
+ }
usb_autopm_put_interface(tp->intf);
}
@@ -3418,6 +3495,9 @@ static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
struct r8152 *tp = netdev_priv(dev);
int ret;
+ if (!rtl_can_wakeup(tp))
+ return -EOPNOTSUPP;
+
ret = usb_autopm_get_interface(tp->intf);
if (ret < 0)
goto out_set_wol;
@@ -4059,6 +4139,9 @@ static int rtl8152_probe(struct usb_interface *intf,
goto out1;
}
+ if (!rtl_can_wakeup(tp))
+ __rtl_set_wol(tp, 0);
+
tp->saved_wolopts = __rtl_get_wol(tp);
if (tp->saved_wolopts)
device_set_wakeup_enable(&udev->dev, true);
@@ -4132,6 +4215,8 @@ static struct usb_driver rtl8152_driver = {
.suspend = rtl8152_suspend,
.resume = rtl8152_resume,
.reset_resume = rtl8152_resume,
+ .pre_reset = rtl8152_pre_reset,
+ .post_reset = rtl8152_post_reset,
.supports_autosuspend = 1,
.disable_hub_initiated_lpm = 1,
};