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-rw-r--r--drivers/net/ethernet/sun/cassini.c7
-rw-r--r--drivers/net/ethernet/sun/ldmvsw.c5
-rw-r--r--drivers/net/ethernet/sun/niu.c7
-rw-r--r--drivers/net/ethernet/sun/sunbmac.c6
-rw-r--r--drivers/net/ethernet/sun/sunbmac.h2
-rw-r--r--drivers/net/ethernet/sun/sungem.c11
-rw-r--r--drivers/net/ethernet/sun/sunhme.c1
-rw-r--r--drivers/net/ethernet/sun/sunqe.c12
-rw-r--r--drivers/net/ethernet/sun/sunqe.h4
-rw-r--r--drivers/net/ethernet/sun/sunvnet.c5
-rw-r--r--drivers/net/ethernet/sun/sunvnet_common.c26
-rw-r--r--drivers/net/ethernet/sun/sunvnet_common.h3
12 files changed, 49 insertions, 40 deletions
diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c
index 062bce9acde6..e9e5ef241c6f 100644
--- a/drivers/net/ethernet/sun/cassini.c
+++ b/drivers/net/ethernet/sun/cassini.c
@@ -3863,9 +3863,6 @@ static int cas_change_mtu(struct net_device *dev, int new_mtu)
{
struct cas *cp = netdev_priv(dev);
- if (new_mtu < CAS_MIN_MTU || new_mtu > CAS_MAX_MTU)
- return -EINVAL;
-
dev->mtu = new_mtu;
if (!netif_running(dev) || !netif_device_present(dev))
return 0;
@@ -5115,6 +5112,10 @@ static int cas_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (pci_using_dac)
dev->features |= NETIF_F_HIGHDMA;
+ /* MTU range: 60 - varies or 9000 */
+ dev->min_mtu = CAS_MIN_MTU;
+ dev->max_mtu = CAS_MAX_MTU;
+
if (register_netdev(dev)) {
dev_err(&pdev->dev, "Cannot register net device, aborting\n");
goto err_out_free_consistent;
diff --git a/drivers/net/ethernet/sun/ldmvsw.c b/drivers/net/ethernet/sun/ldmvsw.c
index 0ac449acaf5b..335b87660638 100644
--- a/drivers/net/ethernet/sun/ldmvsw.c
+++ b/drivers/net/ethernet/sun/ldmvsw.c
@@ -139,7 +139,6 @@ static const struct net_device_ops vsw_ops = {
.ndo_set_mac_address = sunvnet_set_mac_addr_common,
.ndo_validate_addr = eth_validate_addr,
.ndo_tx_timeout = sunvnet_tx_timeout_common,
- .ndo_change_mtu = sunvnet_change_mtu_common,
.ndo_start_xmit = vsw_start_xmit,
.ndo_select_queue = vsw_select_queue,
#ifdef CONFIG_NET_POLL_CONTROLLER
@@ -239,6 +238,10 @@ static struct net_device *vsw_alloc_netdev(u8 hwaddr[],
NETIF_F_HW_CSUM | NETIF_F_SG;
dev->features = dev->hw_features;
+ /* MTU range: 68 - 65535 */
+ dev->min_mtu = ETH_MIN_MTU;
+ dev->max_mtu = VNET_MAX_MTU;
+
SET_NETDEV_DEV(dev, &vdev->dev);
return dev;
diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index a2371aa14a49..f90d1af6d390 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -6754,9 +6754,6 @@ static int niu_change_mtu(struct net_device *dev, int new_mtu)
struct niu *np = netdev_priv(dev);
int err, orig_jumbo, new_jumbo;
- if (new_mtu < 68 || new_mtu > NIU_MAX_MTU)
- return -EINVAL;
-
orig_jumbo = (dev->mtu > ETH_DATA_LEN);
new_jumbo = (new_mtu > ETH_DATA_LEN);
@@ -9823,6 +9820,10 @@ static int niu_pci_init_one(struct pci_dev *pdev,
dev->irq = pdev->irq;
+ /* MTU range: 68 - 9216 */
+ dev->min_mtu = ETH_MIN_MTU;
+ dev->max_mtu = NIU_MAX_MTU;
+
niu_assign_netdev_ops(dev);
err = niu_get_invariants(np);
diff --git a/drivers/net/ethernet/sun/sunbmac.c b/drivers/net/ethernet/sun/sunbmac.c
index aa4f9d2d8fa9..c4caf486cbef 100644
--- a/drivers/net/ethernet/sun/sunbmac.c
+++ b/drivers/net/ethernet/sun/sunbmac.c
@@ -623,6 +623,7 @@ static int bigmac_init_hw(struct bigmac *bp, int from_irq)
void __iomem *gregs = bp->gregs;
void __iomem *cregs = bp->creg;
void __iomem *bregs = bp->bregs;
+ __u32 bblk_dvma = (__u32)bp->bblock_dvma;
unsigned char *e = &bp->dev->dev_addr[0];
/* Latch current counters into statistics. */
@@ -671,9 +672,9 @@ static int bigmac_init_hw(struct bigmac *bp, int from_irq)
bregs + BMAC_XIFCFG);
/* Tell the QEC where the ring descriptors are. */
- sbus_writel(bp->bblock_dvma + bib_offset(be_rxd, 0),
+ sbus_writel(bblk_dvma + bib_offset(be_rxd, 0),
cregs + CREG_RXDS);
- sbus_writel(bp->bblock_dvma + bib_offset(be_txd, 0),
+ sbus_writel(bblk_dvma + bib_offset(be_txd, 0),
cregs + CREG_TXDS);
/* Setup the FIFO pointers into QEC local memory. */
@@ -1064,7 +1065,6 @@ static const struct net_device_ops bigmac_ops = {
.ndo_get_stats = bigmac_get_stats,
.ndo_set_rx_mode = bigmac_set_multicast,
.ndo_tx_timeout = bigmac_tx_timeout,
- .ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
};
diff --git a/drivers/net/ethernet/sun/sunbmac.h b/drivers/net/ethernet/sun/sunbmac.h
index 06dd21707353..532fc56830cf 100644
--- a/drivers/net/ethernet/sun/sunbmac.h
+++ b/drivers/net/ethernet/sun/sunbmac.h
@@ -291,7 +291,7 @@ struct bigmac {
void __iomem *bregs; /* BigMAC Registers */
void __iomem *tregs; /* BigMAC Transceiver */
struct bmac_init_block *bmac_block; /* RX and TX descriptors */
- __u32 bblock_dvma; /* RX and TX descriptors */
+ dma_addr_t bblock_dvma; /* RX and TX descriptors */
spinlock_t lock;
diff --git a/drivers/net/ethernet/sun/sungem.c b/drivers/net/ethernet/sun/sungem.c
index d6ad0fbd054e..66ecf0fcc330 100644
--- a/drivers/net/ethernet/sun/sungem.c
+++ b/drivers/net/ethernet/sun/sungem.c
@@ -2476,9 +2476,9 @@ static void gem_set_multicast(struct net_device *dev)
}
/* Jumbo-grams don't seem to work :-( */
-#define GEM_MIN_MTU 68
+#define GEM_MIN_MTU ETH_MIN_MTU
#if 1
-#define GEM_MAX_MTU 1500
+#define GEM_MAX_MTU ETH_DATA_LEN
#else
#define GEM_MAX_MTU 9000
#endif
@@ -2487,9 +2487,6 @@ static int gem_change_mtu(struct net_device *dev, int new_mtu)
{
struct gem *gp = netdev_priv(dev);
- if (new_mtu < GEM_MIN_MTU || new_mtu > GEM_MAX_MTU)
- return -EINVAL;
-
dev->mtu = new_mtu;
/* We'll just catch it later when the device is up'd or resumed */
@@ -2977,6 +2974,10 @@ static int gem_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (pci_using_dac)
dev->features |= NETIF_F_HIGHDMA;
+ /* MTU range: 68 - 1500 (Jumbo mode is broken) */
+ dev->min_mtu = GEM_MIN_MTU;
+ dev->max_mtu = GEM_MAX_MTU;
+
/* Register with kernel */
if (register_netdev(dev)) {
pr_err("Cannot register net device, aborting\n");
diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c
index cf4dcff051d5..ca96408058b0 100644
--- a/drivers/net/ethernet/sun/sunhme.c
+++ b/drivers/net/ethernet/sun/sunhme.c
@@ -2669,7 +2669,6 @@ static const struct net_device_ops hme_netdev_ops = {
.ndo_tx_timeout = happy_meal_tx_timeout,
.ndo_get_stats = happy_meal_get_stats,
.ndo_set_rx_mode = happy_meal_set_multicast,
- .ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
};
diff --git a/drivers/net/ethernet/sun/sunqe.c b/drivers/net/ethernet/sun/sunqe.c
index 9b825780b3be..a6bcdcdd947e 100644
--- a/drivers/net/ethernet/sun/sunqe.c
+++ b/drivers/net/ethernet/sun/sunqe.c
@@ -124,7 +124,7 @@ static void qe_init_rings(struct sunqe *qep)
{
struct qe_init_block *qb = qep->qe_block;
struct sunqe_buffers *qbufs = qep->buffers;
- __u32 qbufs_dvma = qep->buffers_dvma;
+ __u32 qbufs_dvma = (__u32)qep->buffers_dvma;
int i;
qep->rx_new = qep->rx_old = qep->tx_new = qep->tx_old = 0;
@@ -144,6 +144,7 @@ static int qe_init(struct sunqe *qep, int from_irq)
void __iomem *mregs = qep->mregs;
void __iomem *gregs = qecp->gregs;
unsigned char *e = &qep->dev->dev_addr[0];
+ __u32 qblk_dvma = (__u32)qep->qblock_dvma;
u32 tmp;
int i;
@@ -152,8 +153,8 @@ static int qe_init(struct sunqe *qep, int from_irq)
return -EAGAIN;
/* Setup initial rx/tx init block pointers. */
- sbus_writel(qep->qblock_dvma + qib_offset(qe_rxd, 0), cregs + CREG_RXDS);
- sbus_writel(qep->qblock_dvma + qib_offset(qe_txd, 0), cregs + CREG_TXDS);
+ sbus_writel(qblk_dvma + qib_offset(qe_rxd, 0), cregs + CREG_RXDS);
+ sbus_writel(qblk_dvma + qib_offset(qe_txd, 0), cregs + CREG_TXDS);
/* Enable/mask the various irq's. */
sbus_writel(0, cregs + CREG_RIMASK);
@@ -413,7 +414,7 @@ static void qe_rx(struct sunqe *qep)
struct net_device *dev = qep->dev;
struct qe_rxd *this;
struct sunqe_buffers *qbufs = qep->buffers;
- __u32 qbufs_dvma = qep->buffers_dvma;
+ __u32 qbufs_dvma = (__u32)qep->buffers_dvma;
int elem = qep->rx_new;
u32 flags;
@@ -572,7 +573,7 @@ static int qe_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct sunqe *qep = netdev_priv(dev);
struct sunqe_buffers *qbufs = qep->buffers;
- __u32 txbuf_dvma, qbufs_dvma = qep->buffers_dvma;
+ __u32 txbuf_dvma, qbufs_dvma = (__u32)qep->buffers_dvma;
unsigned char *txbuf;
int len, entry;
@@ -823,7 +824,6 @@ static const struct net_device_ops qec_ops = {
.ndo_start_xmit = qe_start_xmit,
.ndo_set_rx_mode = qe_set_multicast,
.ndo_tx_timeout = qe_tx_timeout,
- .ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
};
diff --git a/drivers/net/ethernet/sun/sunqe.h b/drivers/net/ethernet/sun/sunqe.h
index 581781b6b2fa..ae190b77431b 100644
--- a/drivers/net/ethernet/sun/sunqe.h
+++ b/drivers/net/ethernet/sun/sunqe.h
@@ -334,12 +334,12 @@ struct sunqe {
void __iomem *qcregs; /* QEC per-channel Registers */
void __iomem *mregs; /* Per-channel MACE Registers */
struct qe_init_block *qe_block; /* RX and TX descriptors */
- __u32 qblock_dvma; /* RX and TX descriptors */
+ dma_addr_t qblock_dvma; /* RX and TX descriptors */
spinlock_t lock; /* Protects txfull state */
int rx_new, rx_old; /* RX ring extents */
int tx_new, tx_old; /* TX ring extents */
struct sunqe_buffers *buffers; /* CPU visible address. */
- __u32 buffers_dvma; /* DVMA visible address. */
+ dma_addr_t buffers_dvma; /* DVMA visible address. */
struct sunqec *parent;
u8 mconfig; /* Base MACE mconfig value */
struct platform_device *op; /* QE's OF device struct */
diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c
index a2f9b47de187..5356a7074796 100644
--- a/drivers/net/ethernet/sun/sunvnet.c
+++ b/drivers/net/ethernet/sun/sunvnet.c
@@ -159,7 +159,6 @@ static const struct net_device_ops vnet_ops = {
.ndo_set_mac_address = sunvnet_set_mac_addr_common,
.ndo_validate_addr = eth_validate_addr,
.ndo_tx_timeout = sunvnet_tx_timeout_common,
- .ndo_change_mtu = sunvnet_change_mtu_common,
.ndo_start_xmit = vnet_start_xmit,
.ndo_select_queue = vnet_select_queue,
#ifdef CONFIG_NET_POLL_CONTROLLER
@@ -202,6 +201,10 @@ static struct vnet *vnet_new(const u64 *local_mac,
NETIF_F_HW_CSUM | NETIF_F_SG;
dev->features = dev->hw_features;
+ /* MTU range: 68 - 65535 */
+ dev->min_mtu = ETH_MIN_MTU;
+ dev->max_mtu = VNET_MAX_MTU;
+
SET_NETDEV_DEV(dev, &vdev->dev);
err = register_netdev(dev);
diff --git a/drivers/net/ethernet/sun/sunvnet_common.c b/drivers/net/ethernet/sun/sunvnet_common.c
index 904a5a12a85d..8878b75d68b4 100644
--- a/drivers/net/ethernet/sun/sunvnet_common.c
+++ b/drivers/net/ethernet/sun/sunvnet_common.c
@@ -704,9 +704,8 @@ static int handle_mcast(struct vnet_port *port, void *msgbuf)
return 0;
}
-/* Got back a STOPPED LDC message on port. If the queue is stopped,
- * wake it up so that we'll send out another START message at the
- * next TX.
+/* If the queue is stopped, wake it up so that we'll
+ * send out another START message at the next TX.
*/
static void maybe_tx_wakeup(struct vnet_port *port)
{
@@ -734,6 +733,7 @@ EXPORT_SYMBOL_GPL(sunvnet_port_is_up_common);
static int vnet_event_napi(struct vnet_port *port, int budget)
{
+ struct net_device *dev = VNET_PORT_TO_NET_DEVICE(port);
struct vio_driver_state *vio = &port->vio;
int tx_wakeup, err;
int npkts = 0;
@@ -747,6 +747,16 @@ ldc_ctrl:
if (event == LDC_EVENT_RESET) {
vnet_port_reset(port);
vio_port_up(vio);
+
+ /* If the device is running but its tx queue was
+ * stopped (due to flow control), restart it.
+ * This is necessary since vnet_port_reset()
+ * clears the tx drings and thus we may never get
+ * back a VIO_TYPE_DATA ACK packet - which is
+ * the normal mechanism to restart the tx queue.
+ */
+ if (netif_running(dev))
+ maybe_tx_wakeup(port);
}
port->rx_event = 0;
return 0;
@@ -1583,16 +1593,6 @@ void sunvnet_set_rx_mode_common(struct net_device *dev, struct vnet *vp)
}
EXPORT_SYMBOL_GPL(sunvnet_set_rx_mode_common);
-int sunvnet_change_mtu_common(struct net_device *dev, int new_mtu)
-{
- if (new_mtu < 68 || new_mtu > 65535)
- return -EINVAL;
-
- dev->mtu = new_mtu;
- return 0;
-}
-EXPORT_SYMBOL_GPL(sunvnet_change_mtu_common);
-
int sunvnet_set_mac_addr_common(struct net_device *dev, void *p)
{
return -EINVAL;
diff --git a/drivers/net/ethernet/sun/sunvnet_common.h b/drivers/net/ethernet/sun/sunvnet_common.h
index bd36528af972..ce5c824128a3 100644
--- a/drivers/net/ethernet/sun/sunvnet_common.h
+++ b/drivers/net/ethernet/sun/sunvnet_common.h
@@ -15,6 +15,8 @@
#define VNET_MINTSO 2048 /* VIO protocol's minimum TSO len */
#define VNET_MAXTSO 65535 /* VIO protocol's maximum TSO len */
+#define VNET_MAX_MTU 65535
+
/* VNET packets are sent in buffers with the first 6 bytes skipped
* so that after the ethernet header the IPv4/IPv6 headers are aligned
* properly.
@@ -125,7 +127,6 @@ int sunvnet_close_common(struct net_device *dev);
void sunvnet_set_rx_mode_common(struct net_device *dev, struct vnet *vp);
int sunvnet_set_mac_addr_common(struct net_device *dev, void *p);
void sunvnet_tx_timeout_common(struct net_device *dev);
-int sunvnet_change_mtu_common(struct net_device *dev, int new_mtu);
int sunvnet_start_xmit_common(struct sk_buff *skb, struct net_device *dev,
struct vnet_port *(*vnet_tx_port)
(struct sk_buff *, struct net_device *));
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-17 14:30:05 +0000