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-rw-r--r--drivers/net/ethernet/aurora/nb8800.c9
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/cmd.c19
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.c1
-rw-r--r--drivers/net/irda/mcs7780.c16
-rw-r--r--drivers/net/phy/dp83867.c10
-rw-r--r--drivers/net/phy/phy.c12
-rw-r--r--drivers/net/phy/phy_device.c2
-rw-r--r--drivers/net/xen-netback/common.h1
-rw-r--r--drivers/net/xen-netback/interface.c6
-rw-r--r--drivers/net/xen-netback/netback.c6
11 files changed, 73 insertions, 12 deletions
diff --git a/drivers/net/ethernet/aurora/nb8800.c b/drivers/net/ethernet/aurora/nb8800.c
index ecc4a334c507..0a54e7dac0ab 100644
--- a/drivers/net/ethernet/aurora/nb8800.c
+++ b/drivers/net/ethernet/aurora/nb8800.c
@@ -608,7 +608,7 @@ static void nb8800_mac_config(struct net_device *dev)
mac_mode |= HALF_DUPLEX;
if (gigabit) {
- if (priv->phy_mode == PHY_INTERFACE_MODE_RGMII)
+ if (phy_interface_is_rgmii(dev->phydev))
mac_mode |= RGMII_MODE;
mac_mode |= GMAC_MODE;
@@ -1295,11 +1295,10 @@ static int nb8800_tangox_init(struct net_device *dev)
break;
case PHY_INTERFACE_MODE_RGMII:
- pad_mode = PAD_MODE_RGMII;
- break;
-
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ case PHY_INTERFACE_MODE_RGMII_RXID:
case PHY_INTERFACE_MODE_RGMII_TXID:
- pad_mode = PAD_MODE_RGMII | PAD_MODE_GTX_CLK_DELAY;
+ pad_mode = PAD_MODE_RGMII;
break;
default:
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 21e5b9ed1ead..3613469dc5c6 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -8722,11 +8722,14 @@ static void tg3_free_consistent(struct tg3 *tp)
tg3_mem_rx_release(tp);
tg3_mem_tx_release(tp);
+ /* Protect tg3_get_stats64() from reading freed tp->hw_stats. */
+ tg3_full_lock(tp, 0);
if (tp->hw_stats) {
dma_free_coherent(&tp->pdev->dev, sizeof(struct tg3_hw_stats),
tp->hw_stats, tp->stats_mapping);
tp->hw_stats = NULL;
}
+ tg3_full_unlock(tp);
}
/*
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index cc199063612a..6c66d2979795 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -630,6 +630,10 @@ static void dump_command(struct mlx5_core_dev *dev,
pr_debug("\n");
}
+static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg);
+static void mlx5_free_cmd_msg(struct mlx5_core_dev *dev,
+ struct mlx5_cmd_msg *msg);
+
static void cmd_work_handler(struct work_struct *work)
{
struct mlx5_cmd_work_ent *ent = container_of(work, struct mlx5_cmd_work_ent, work);
@@ -638,16 +642,27 @@ static void cmd_work_handler(struct work_struct *work)
struct mlx5_cmd_layout *lay;
struct semaphore *sem;
unsigned long flags;
+ int alloc_ret;
sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem;
down(sem);
if (!ent->page_queue) {
- ent->idx = alloc_ent(cmd);
- if (ent->idx < 0) {
+ alloc_ret = alloc_ent(cmd);
+ if (alloc_ret < 0) {
+ if (ent->callback) {
+ ent->callback(-EAGAIN, ent->context);
+ mlx5_free_cmd_msg(dev, ent->out);
+ free_msg(dev, ent->in);
+ free_cmd(ent);
+ } else {
+ ent->ret = -EAGAIN;
+ complete(&ent->done);
+ }
mlx5_core_err(dev, "failed to allocate command entry\n");
up(sem);
return;
}
+ ent->idx = alloc_ret;
} else {
ent->idx = cmd->max_reg_cmds;
spin_lock_irqsave(&cmd->alloc_lock, flags);
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 4296066a7ad3..479af106aaeb 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -819,6 +819,7 @@ static struct sh_eth_cpu_data r8a7740_data = {
.rpadir_value = 2 << 16,
.no_trimd = 1,
.no_ade = 1,
+ .hw_crc = 1,
.tsu = 1,
.select_mii = 1,
.shift_rd0 = 1,
diff --git a/drivers/net/irda/mcs7780.c b/drivers/net/irda/mcs7780.c
index bca6a1e72d1d..e1bb802d4a4d 100644
--- a/drivers/net/irda/mcs7780.c
+++ b/drivers/net/irda/mcs7780.c
@@ -141,9 +141,19 @@ static int mcs_set_reg(struct mcs_cb *mcs, __u16 reg, __u16 val)
static int mcs_get_reg(struct mcs_cb *mcs, __u16 reg, __u16 * val)
{
struct usb_device *dev = mcs->usbdev;
- int ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), MCS_RDREQ,
- MCS_RD_RTYPE, 0, reg, val, 2,
- msecs_to_jiffies(MCS_CTRL_TIMEOUT));
+ void *dmabuf;
+ int ret;
+
+ dmabuf = kmalloc(sizeof(__u16), GFP_KERNEL);
+ if (!dmabuf)
+ return -ENOMEM;
+
+ ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), MCS_RDREQ,
+ MCS_RD_RTYPE, 0, reg, dmabuf, 2,
+ msecs_to_jiffies(MCS_CTRL_TIMEOUT));
+
+ memcpy(val, dmabuf, sizeof(__u16));
+ kfree(dmabuf);
return ret;
}
diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c
index 32f10662f4ac..7242dd4b3238 100644
--- a/drivers/net/phy/dp83867.c
+++ b/drivers/net/phy/dp83867.c
@@ -29,6 +29,7 @@
#define MII_DP83867_MICR 0x12
#define MII_DP83867_ISR 0x13
#define DP83867_CTRL 0x1f
+#define DP83867_CFG3 0x1e
/* Extended Registers */
#define DP83867_RGMIICTL 0x0032
@@ -89,6 +90,8 @@ static int dp83867_config_intr(struct phy_device *phydev)
micr_status |=
(MII_DP83867_MICR_AN_ERR_INT_EN |
MII_DP83867_MICR_SPEED_CHNG_INT_EN |
+ MII_DP83867_MICR_AUTONEG_COMP_INT_EN |
+ MII_DP83867_MICR_LINK_STS_CHNG_INT_EN |
MII_DP83867_MICR_DUP_MODE_CHNG_INT_EN |
MII_DP83867_MICR_SLEEP_MODE_CHNG_INT_EN);
@@ -184,6 +187,13 @@ static int dp83867_config_init(struct phy_device *phydev)
DP83867_DEVADDR, phydev->addr, delay);
}
+ /* Enable Interrupt output INT_OE in CFG3 register */
+ if (phy_interrupt_is_valid(phydev)) {
+ val = phy_read(phydev, DP83867_CFG3);
+ val |= BIT(7);
+ phy_write(phydev, DP83867_CFG3, val);
+ }
+
return 0;
}
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 851c0e121807..49d9f0a789fe 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -541,6 +541,9 @@ void phy_stop_machine(struct phy_device *phydev)
if (phydev->state > PHY_UP && phydev->state != PHY_HALTED)
phydev->state = PHY_UP;
mutex_unlock(&phydev->lock);
+
+ /* Now we can run the state machine synchronously */
+ phy_state_machine(&phydev->state_queue.work);
}
/**
@@ -918,6 +921,15 @@ void phy_state_machine(struct work_struct *work)
if (old_link != phydev->link)
phydev->state = PHY_CHANGELINK;
}
+ /*
+ * Failsafe: check that nobody set phydev->link=0 between two
+ * poll cycles, otherwise we won't leave RUNNING state as long
+ * as link remains down.
+ */
+ if (!phydev->link && phydev->state == PHY_RUNNING) {
+ phydev->state = PHY_CHANGELINK;
+ dev_err(&phydev->dev, "no link in PHY_RUNNING\n");
+ }
break;
case PHY_CHANGELINK:
err = phy_read_status(phydev);
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 1d1e5f7723ab..8179727d3423 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1368,6 +1368,8 @@ static int phy_remove(struct device *dev)
{
struct phy_device *phydev = to_phy_device(dev);
+ cancel_delayed_work_sync(&phydev->state_queue);
+
mutex_lock(&phydev->lock);
phydev->state = PHY_DOWN;
mutex_unlock(&phydev->lock);
diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h
index 0333ab0fd926..34173b5e886f 100644
--- a/drivers/net/xen-netback/common.h
+++ b/drivers/net/xen-netback/common.h
@@ -201,6 +201,7 @@ struct xenvif_queue { /* Per-queue data for xenvif */
unsigned long remaining_credit;
struct timer_list credit_timeout;
u64 credit_window_start;
+ bool rate_limited;
/* Statistics */
struct xenvif_stats stats;
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index e7bd63eb2876..60b26f32d31d 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -105,7 +105,11 @@ static int xenvif_poll(struct napi_struct *napi, int budget)
if (work_done < budget) {
napi_complete(napi);
- xenvif_napi_schedule_or_enable_events(queue);
+ /* If the queue is rate-limited, it shall be
+ * rescheduled in the timer callback.
+ */
+ if (likely(!queue->rate_limited))
+ xenvif_napi_schedule_or_enable_events(queue);
}
return work_done;
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 1049c34e7d43..72ee1c305cc4 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -687,6 +687,7 @@ static void tx_add_credit(struct xenvif_queue *queue)
max_credit = ULONG_MAX; /* wrapped: clamp to ULONG_MAX */
queue->remaining_credit = min(max_credit, max_burst);
+ queue->rate_limited = false;
}
void xenvif_tx_credit_callback(unsigned long data)
@@ -1184,8 +1185,10 @@ static bool tx_credit_exceeded(struct xenvif_queue *queue, unsigned size)
msecs_to_jiffies(queue->credit_usec / 1000);
/* Timer could already be pending in rare cases. */
- if (timer_pending(&queue->credit_timeout))
+ if (timer_pending(&queue->credit_timeout)) {
+ queue->rate_limited = true;
return true;
+ }
/* Passed the point where we can replenish credit? */
if (time_after_eq64(now, next_credit)) {
@@ -1200,6 +1203,7 @@ static bool tx_credit_exceeded(struct xenvif_queue *queue, unsigned size)
mod_timer(&queue->credit_timeout,
next_credit);
queue->credit_window_start = next_credit;
+ queue->rate_limited = true;
return true;
}