redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

[PATCH] forcedeth: Add set_mac_address support 

This is a multi-part message in MIME format.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
hifive-unleashed-5.1
Manfred Spraul 2005-07-31 18:33:34 +02:00 committed by Jeff Garzik
parent ee73362cdd
commit 72b3178257
1 changed files with 52 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
drivers/net/forcedeth.c
View File

@ -90,6 +90,7 @@
* 0.38: 16 Jul 2005: tx irq rewrite: Use global flags instead of
* per-packet flags.
* 0.39: 18 Jul 2005: Add 64bit descriptor support.
* 0.40: 19 Jul 2005: Add support for mac address change.
*
* Known bugs:
* We suspect that on some hardware no TX done interrupts are generated.
@ -101,7 +102,7 @@
* DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few
* superfluous timer interrupts from the nic.
*/
#define FORCEDETH_VERSION "0.39"
#define FORCEDETH_VERSION "0.40"
#define DRV_NAME "forcedeth"
#include <linux/module.h>
@ -1416,6 +1417,54 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
return 0;
}
static void nv_copy_mac_to_hw(struct net_device *dev)
{
u8 *base = get_hwbase(dev);
u32 mac[2];
mac[0] = (dev->dev_addr[0] << 0) + (dev->dev_addr[1] << 8) +
(dev->dev_addr[2] << 16) + (dev->dev_addr[3] << 24);
mac[1] = (dev->dev_addr[4] << 0) + (dev->dev_addr[5] << 8);
writel(mac[0], base + NvRegMacAddrA);
writel(mac[1], base + NvRegMacAddrB);
}
/*
* nv_set_mac_address: dev->set_mac_address function
* Called with rtnl_lock() held.
*/
static int nv_set_mac_address(struct net_device *dev, void *addr)
{
struct fe_priv *np = get_nvpriv(dev);
struct sockaddr *macaddr = (struct sockaddr*)addr;
if(!is_valid_ether_addr(macaddr->sa_data))
return -EADDRNOTAVAIL;
/* synchronized against open : rtnl_lock() held by caller */
memcpy(dev->dev_addr, macaddr->sa_data, ETH_ALEN);
if (netif_running(dev)) {
spin_lock_bh(&dev->xmit_lock);
spin_lock_irq(&np->lock);
/* stop rx engine */
nv_stop_rx(dev);
/* set mac address */
nv_copy_mac_to_hw(dev);
/* restart rx engine */
nv_start_rx(dev);
spin_unlock_irq(&np->lock);
spin_unlock_bh(&dev->xmit_lock);
} else {
nv_copy_mac_to_hw(dev);
}
return 0;
}
/*
* nv_set_multicast: dev->set_multicast function
* Called with dev->xmit_lock held.
@ -2047,16 +2096,7 @@ static int nv_open(struct net_device *dev)
np->in_shutdown = 0;
/* 3) set mac address */
{
u32 mac[2];
mac[0] = (dev->dev_addr[0] << 0) + (dev->dev_addr[1] << 8) +
(dev->dev_addr[2] << 16) + (dev->dev_addr[3] << 24);
mac[1] = (dev->dev_addr[4] << 0) + (dev->dev_addr[5] << 8);
writel(mac[0], base + NvRegMacAddrA);
writel(mac[1], base + NvRegMacAddrB);
}
nv_copy_mac_to_hw(dev);
/* 4) give hw rings */
writel((u32) np->ring_addr, base + NvRegRxRingPhysAddr);
@ -2302,6 +2342,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
dev->hard_start_xmit = nv_start_xmit;
dev->get_stats = nv_get_stats;
dev->change_mtu = nv_change_mtu;
dev->set_mac_address = nv_set_mac_address;
dev->set_multicast_list = nv_set_multicast;
#ifdef CONFIG_NET_POLL_CONTROLLER
dev->poll_controller = nv_poll_controller;