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path: root/drivers/misc/sgi-xp/xpnet.c
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Diffstat (limited to 'drivers/misc/sgi-xp/xpnet.c')
-rw-r--r--drivers/misc/sgi-xp/xpnet.c66
1 files changed, 29 insertions, 37 deletions
diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c
index 3fac67a5204c..2396ba3b03bd 100644
--- a/drivers/misc/sgi-xp/xpnet.c
+++ b/drivers/misc/sgi-xp/xpnet.c
@@ -3,6 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
+ * (C) Copyright 2020 Hewlett Packard Enterprise Development LP
* Copyright (C) 1999-2009 Silicon Graphics, Inc. All rights reserved.
*/
@@ -96,7 +97,7 @@ struct xpnet_pending_msg {
atomic_t use_count;
};
-struct net_device *xpnet_device;
+static struct net_device *xpnet_device;
/*
* When we are notified of other partitions activating, we add them to
@@ -118,6 +119,8 @@ static DEFINE_SPINLOCK(xpnet_broadcast_lock);
* now, the default is 64KB.
*/
#define XPNET_MAX_MTU (0x800000UL - L1_CACHE_BYTES)
+/* 68 comes from min TCP+IP+MAC header */
+#define XPNET_MIN_MTU 68
/* 32KB has been determined to be the ideal */
#define XPNET_DEF_MTU (0x8000UL)
@@ -129,16 +132,16 @@ static DEFINE_SPINLOCK(xpnet_broadcast_lock);
/* Define the XPNET debug device structures to be used with dev_dbg() et al */
-struct device_driver xpnet_dbg_name = {
+static struct device_driver xpnet_dbg_name = {
.name = "xpnet"
};
-struct device xpnet_dbg_subname = {
+static struct device xpnet_dbg_subname = {
.init_name = "", /* set to "" */
.driver = &xpnet_dbg_name
};
-struct device *xpnet = &xpnet_dbg_subname;
+static struct device *xpnet = &xpnet_dbg_subname;
/*
* Packet was recevied by XPC and forwarded to us.
@@ -205,7 +208,7 @@ xpnet_receive(short partid, int channel, struct xpnet_message *msg)
} else {
dst = (void *)((u64)skb->data & ~(L1_CACHE_BYTES - 1));
dev_dbg(xpnet, "transferring buffer to the skb->data area;\n\t"
- "xp_remote_memcpy(0x%p, 0x%p, %hu)\n", dst,
+ "xp_remote_memcpy(0x%p, 0x%p, %u)\n", dst,
(void *)msg->buf_pa, msg->size);
ret = xp_remote_memcpy(xp_pa(dst), msg->buf_pa, msg->size);
@@ -215,7 +218,7 @@ xpnet_receive(short partid, int channel, struct xpnet_message *msg)
* !!! appears in_use and we can't just call
* !!! dev_kfree_skb.
*/
- dev_err(xpnet, "xp_remote_memcpy(0x%p, 0x%p, 0x%hx) "
+ dev_err(xpnet, "xp_remote_memcpy(0x%p, 0x%p, 0x%x) "
"returned error=0x%x\n", dst,
(void *)msg->buf_pa, msg->size, ret);
@@ -244,7 +247,7 @@ xpnet_receive(short partid, int channel, struct xpnet_message *msg)
xpnet_device->stats.rx_packets++;
xpnet_device->stats.rx_bytes += skb->len + ETH_HLEN;
- netif_rx_ni(skb);
+ netif_rx(skb);
xpc_received(partid, channel, (void *)msg);
}
@@ -282,7 +285,7 @@ xpnet_connection_activity(enum xp_retval reason, short partid, int channel,
__clear_bit(partid, xpnet_broadcast_partitions);
spin_unlock_bh(&xpnet_broadcast_lock);
- if (bitmap_empty((unsigned long *)xpnet_broadcast_partitions,
+ if (bitmap_empty(xpnet_broadcast_partitions,
xp_max_npartitions)) {
netif_carrier_off(xpnet_device);
}
@@ -330,22 +333,6 @@ xpnet_dev_stop(struct net_device *dev)
return 0;
}
-static int
-xpnet_dev_change_mtu(struct net_device *dev, int new_mtu)
-{
- /* 68 comes from min TCP+IP+MAC header */
- if ((new_mtu < 68) || (new_mtu > XPNET_MAX_MTU)) {
- dev_err(xpnet, "ifconfig %s mtu %d failed; value must be "
- "between 68 and %ld\n", dev->name, new_mtu,
- XPNET_MAX_MTU);
- return -EINVAL;
- }
-
- dev->mtu = new_mtu;
- dev_dbg(xpnet, "ifconfig %s mtu set to %d\n", dev->name, new_mtu);
- return 0;
-}
-
/*
* Notification that the other end has received the message and
* DMA'd the skb information. At this point, they are done with
@@ -421,7 +408,7 @@ xpnet_send(struct sk_buff *skb, struct xpnet_pending_msg *queued_msg,
* destination partid. If the destination partid octets are 0xffff,
* this packet is to be broadcast to all connected partitions.
*/
-static int
+static netdev_tx_t
xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct xpnet_pending_msg *queued_msg;
@@ -510,7 +497,7 @@ xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
* Deal with transmit timeouts coming from the network layer.
*/
static void
-xpnet_dev_tx_timeout(struct net_device *dev)
+xpnet_dev_tx_timeout(struct net_device *dev, unsigned int txqueue)
{
dev->stats.tx_errors++;
}
@@ -519,7 +506,6 @@ static const struct net_device_ops xpnet_netdev_ops = {
.ndo_open = xpnet_dev_open,
.ndo_stop = xpnet_dev_stop,
.ndo_start_xmit = xpnet_dev_hard_start_xmit,
- .ndo_change_mtu = xpnet_dev_change_mtu,
.ndo_tx_timeout = xpnet_dev_tx_timeout,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
@@ -528,15 +514,16 @@ static const struct net_device_ops xpnet_netdev_ops = {
static int __init
xpnet_init(void)
{
+ u8 addr[ETH_ALEN];
int result;
- if (!is_shub() && !is_uv())
+ if (!is_uv_system())
return -ENODEV;
dev_info(xpnet, "registering network device %s\n", XPNET_DEVICE_NAME);
- xpnet_broadcast_partitions = kzalloc(BITS_TO_LONGS(xp_max_npartitions) *
- sizeof(long), GFP_KERNEL);
+ xpnet_broadcast_partitions = bitmap_zalloc(xp_max_npartitions,
+ GFP_KERNEL);
if (xpnet_broadcast_partitions == NULL)
return -ENOMEM;
@@ -544,9 +531,10 @@ xpnet_init(void)
* use ether_setup() to init the majority of our device
* structure and then override the necessary pieces.
*/
- xpnet_device = alloc_netdev(0, XPNET_DEVICE_NAME, ether_setup);
+ xpnet_device = alloc_netdev(0, XPNET_DEVICE_NAME, NET_NAME_UNKNOWN,
+ ether_setup);
if (xpnet_device == NULL) {
- kfree(xpnet_broadcast_partitions);
+ bitmap_free(xpnet_broadcast_partitions);
return -ENOMEM;
}
@@ -554,16 +542,20 @@ xpnet_init(void)
xpnet_device->netdev_ops = &xpnet_netdev_ops;
xpnet_device->mtu = XPNET_DEF_MTU;
+ xpnet_device->min_mtu = XPNET_MIN_MTU;
+ xpnet_device->max_mtu = XPNET_MAX_MTU;
+ memset(addr, 0, sizeof(addr));
/*
* Multicast assumes the LSB of the first octet is set for multicast
* MAC addresses. We chose the first octet of the MAC to be unlikely
* to collide with any vendor's officially issued MAC.
*/
- xpnet_device->dev_addr[0] = 0x02; /* locally administered, no OUI */
+ addr[0] = 0x02; /* locally administered, no OUI */
- xpnet_device->dev_addr[XPNET_PARTID_OCTET + 1] = xp_partition_id;
- xpnet_device->dev_addr[XPNET_PARTID_OCTET + 0] = (xp_partition_id >> 8);
+ addr[XPNET_PARTID_OCTET + 1] = xp_partition_id;
+ addr[XPNET_PARTID_OCTET + 0] = (xp_partition_id >> 8);
+ eth_hw_addr_set(xpnet_device, addr);
/*
* ether_setup() sets this to a multicast device. We are
@@ -581,7 +573,7 @@ xpnet_init(void)
result = register_netdev(xpnet_device);
if (result != 0) {
free_netdev(xpnet_device);
- kfree(xpnet_broadcast_partitions);
+ bitmap_free(xpnet_broadcast_partitions);
}
return result;
@@ -597,7 +589,7 @@ xpnet_exit(void)
unregister_netdev(xpnet_device);
free_netdev(xpnet_device);
- kfree(xpnet_broadcast_partitions);
+ bitmap_free(xpnet_broadcast_partitions);
}
module_exit(xpnet_exit);
generated by cgit (git 2.34.1) at 2025-12-21 21:44:28 +0000