Commit 5fbf816f authored by Divy Le Ray's avatar Divy Le Ray Committed by Jeff Garzik

cxgb3 - Fix dev->priv usage

cxgb3 used netdev_priv() and dev->priv for different purposes.
In 2.6.23, netdev_priv() == dev->priv, cxgb3 needs a fix.
This patch is a partial backport of Dave Miller's changes in the
net-2.6.24 git branch.

Without this fix, cxgb3 crashes on 2.6.23.
Signed-off-by: default avatarDivy Le Ray <divy@chelsio.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 54d0f56e
......@@ -916,7 +916,7 @@ int cxio_rdev_open(struct cxio_rdev *rdev_p)
PDBG("%s opening rnic dev %s\n", __FUNCTION__, rdev_p->dev_name);
memset(&rdev_p->ctrl_qp, 0, sizeof(rdev_p->ctrl_qp));
if (!rdev_p->t3cdev_p)
rdev_p->t3cdev_p = T3CDEV(netdev_p);
rdev_p->t3cdev_p = dev2t3cdev(netdev_p);
rdev_p->t3cdev_p->ulp = (void *) rdev_p;
err = rdev_p->t3cdev_p->ctl(rdev_p->t3cdev_p, RDMA_GET_PARAMS,
&(rdev_p->rnic_info));
......
......@@ -50,7 +50,9 @@ typedef irqreturn_t(*intr_handler_t) (int, void *);
struct vlan_group;
struct adapter;
struct port_info {
struct adapter *adapter;
struct vlan_group *vlan_grp;
const struct port_type_info *port_type;
u8 port_id;
......
......@@ -358,11 +358,14 @@ static int init_dummy_netdevs(struct adapter *adap)
for (j = 0; j < pi->nqsets - 1; j++) {
if (!adap->dummy_netdev[dummy_idx]) {
nd = alloc_netdev(0, "", ether_setup);
struct port_info *p;
nd = alloc_netdev(sizeof(*p), "", ether_setup);
if (!nd)
goto free_all;
nd->priv = adap;
p = netdev_priv(nd);
p->adapter = adap;
nd->weight = 64;
set_bit(__LINK_STATE_START, &nd->state);
adap->dummy_netdev[dummy_idx] = nd;
......@@ -482,7 +485,8 @@ static ssize_t attr_store(struct device *d, struct device_attribute *attr,
#define CXGB3_SHOW(name, val_expr) \
static ssize_t format_##name(struct net_device *dev, char *buf) \
{ \
struct adapter *adap = dev->priv; \
struct port_info *pi = netdev_priv(dev); \
struct adapter *adap = pi->adapter; \
return sprintf(buf, "%u\n", val_expr); \
} \
static ssize_t show_##name(struct device *d, struct device_attribute *attr, \
......@@ -493,7 +497,8 @@ static ssize_t show_##name(struct device *d, struct device_attribute *attr, \
static ssize_t set_nfilters(struct net_device *dev, unsigned int val)
{
struct adapter *adap = dev->priv;
struct port_info *pi = netdev_priv(dev);
struct adapter *adap = pi->adapter;
int min_tids = is_offload(adap) ? MC5_MIN_TIDS : 0;
if (adap->flags & FULL_INIT_DONE)
......@@ -515,7 +520,8 @@ static ssize_t store_nfilters(struct device *d, struct device_attribute *attr,
static ssize_t set_nservers(struct net_device *dev, unsigned int val)
{
struct adapter *adap = dev->priv;
struct port_info *pi = netdev_priv(dev);
struct adapter *adap = pi->adapter;
if (adap->flags & FULL_INIT_DONE)
return -EBUSY;
......@@ -556,9 +562,10 @@ static struct attribute_group cxgb3_attr_group = {.attrs = cxgb3_attrs };
static ssize_t tm_attr_show(struct device *d, struct device_attribute *attr,
char *buf, int sched)
{
ssize_t len;
struct port_info *pi = netdev_priv(to_net_dev(d));
struct adapter *adap = pi->adapter;
unsigned int v, addr, bpt, cpt;
struct adapter *adap = to_net_dev(d)->priv;
ssize_t len;
addr = A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2;
rtnl_lock();
......@@ -581,10 +588,11 @@ static ssize_t tm_attr_show(struct device *d, struct device_attribute *attr,
static ssize_t tm_attr_store(struct device *d, struct device_attribute *attr,
const char *buf, size_t len, int sched)
{
struct port_info *pi = netdev_priv(to_net_dev(d));
struct adapter *adap = pi->adapter;
unsigned int val;
char *endp;
ssize_t ret;
unsigned int val;
struct adapter *adap = to_net_dev(d)->priv;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
......@@ -858,8 +866,9 @@ static void schedule_chk_task(struct adapter *adap)
static int offload_open(struct net_device *dev)
{
struct adapter *adapter = dev->priv;
struct t3cdev *tdev = T3CDEV(dev);
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
struct t3cdev *tdev = dev2t3cdev(dev);
int adap_up = adapter->open_device_map & PORT_MASK;
int err = 0;
......@@ -924,10 +933,10 @@ static int offload_close(struct t3cdev *tdev)
static int cxgb_open(struct net_device *dev)
{
int err;
struct adapter *adapter = dev->priv;
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
int other_ports = adapter->open_device_map & PORT_MASK;
int err;
if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0)
return err;
......@@ -951,17 +960,17 @@ static int cxgb_open(struct net_device *dev)
static int cxgb_close(struct net_device *dev)
{
struct adapter *adapter = dev->priv;
struct port_info *p = netdev_priv(dev);
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
t3_port_intr_disable(adapter, p->port_id);
t3_port_intr_disable(adapter, pi->port_id);
netif_stop_queue(dev);
p->phy.ops->power_down(&p->phy, 1);
pi->phy.ops->power_down(&pi->phy, 1);
netif_carrier_off(dev);
t3_mac_disable(&p->mac, MAC_DIRECTION_TX | MAC_DIRECTION_RX);
t3_mac_disable(&pi->mac, MAC_DIRECTION_TX | MAC_DIRECTION_RX);
spin_lock(&adapter->work_lock); /* sync with update task */
clear_bit(p->port_id, &adapter->open_device_map);
clear_bit(pi->port_id, &adapter->open_device_map);
spin_unlock(&adapter->work_lock);
if (!(adapter->open_device_map & PORT_MASK))
......@@ -976,13 +985,13 @@ static int cxgb_close(struct net_device *dev)
static struct net_device_stats *cxgb_get_stats(struct net_device *dev)
{
struct adapter *adapter = dev->priv;
struct port_info *p = netdev_priv(dev);
struct net_device_stats *ns = &p->netstats;
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
struct net_device_stats *ns = &pi->netstats;
const struct mac_stats *pstats;
spin_lock(&adapter->stats_lock);
pstats = t3_mac_update_stats(&p->mac);
pstats = t3_mac_update_stats(&pi->mac);
spin_unlock(&adapter->stats_lock);
ns->tx_bytes = pstats->tx_octets;
......@@ -1015,14 +1024,16 @@ static struct net_device_stats *cxgb_get_stats(struct net_device *dev)
static u32 get_msglevel(struct net_device *dev)
{
struct adapter *adapter = dev->priv;
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
return adapter->msg_enable;
}
static void set_msglevel(struct net_device *dev, u32 val)
{
struct adapter *adapter = dev->priv;
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
adapter->msg_enable = val;
}
......@@ -1096,8 +1107,9 @@ static int get_eeprom_len(struct net_device *dev)
static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
u32 fw_vers = 0;
struct adapter *adapter = dev->priv;
t3_get_fw_version(adapter, &fw_vers);
......@@ -1136,8 +1148,8 @@ static unsigned long collect_sge_port_stats(struct adapter *adapter,
static void get_stats(struct net_device *dev, struct ethtool_stats *stats,
u64 *data)
{
struct adapter *adapter = dev->priv;
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
const struct mac_stats *s;
spin_lock(&adapter->stats_lock);
......@@ -1205,7 +1217,8 @@ static inline void reg_block_dump(struct adapter *ap, void *buf,
static void get_regs(struct net_device *dev, struct ethtool_regs *regs,
void *buf)
{
struct adapter *ap = dev->priv;
struct port_info *pi = netdev_priv(dev);
struct adapter *ap = pi->adapter;
/*
* Version scheme:
......@@ -1246,8 +1259,9 @@ static int restart_autoneg(struct net_device *dev)
static int cxgb3_phys_id(struct net_device *dev, u32 data)
{
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
int i;
struct adapter *adapter = dev->priv;
if (data == 0)
data = 2;
......@@ -1408,8 +1422,8 @@ static int set_rx_csum(struct net_device *dev, u32 data)
static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e)
{
const struct adapter *adapter = dev->priv;
const struct port_info *pi = netdev_priv(dev);
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
const struct qset_params *q = &adapter->params.sge.qset[pi->first_qset];
e->rx_max_pending = MAX_RX_BUFFERS;
......@@ -1425,10 +1439,10 @@ static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e)
static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e)
{
int i;
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
struct qset_params *q;
struct adapter *adapter = dev->priv;
const struct port_info *pi = netdev_priv(dev);
int i;
if (e->rx_pending > MAX_RX_BUFFERS ||
e->rx_jumbo_pending > MAX_RX_JUMBO_BUFFERS ||
......@@ -1457,7 +1471,8 @@ static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e)
static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
{
struct adapter *adapter = dev->priv;
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
struct qset_params *qsp = &adapter->params.sge.qset[0];
struct sge_qset *qs = &adapter->sge.qs[0];
......@@ -1471,7 +1486,8 @@ static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
{
struct adapter *adapter = dev->priv;
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
struct qset_params *q = adapter->params.sge.qset;
c->rx_coalesce_usecs = q->coalesce_usecs;
......@@ -1481,8 +1497,9 @@ static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e,
u8 * data)
{
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
int i, err = 0;
struct adapter *adapter = dev->priv;
u8 *buf = kmalloc(EEPROMSIZE, GFP_KERNEL);
if (!buf)
......@@ -1501,10 +1518,11 @@ static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e,
static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
u8 * data)
{
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
u32 aligned_offset, aligned_len, *p;
u8 *buf;
int err = 0;
u32 aligned_offset, aligned_len, *p;
struct adapter *adapter = dev->priv;
if (eeprom->magic != EEPROM_MAGIC)
return -EINVAL;
......@@ -1592,9 +1610,10 @@ static int in_range(int val, int lo, int hi)
static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
{
int ret;
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
u32 cmd;
struct adapter *adapter = dev->priv;
int ret;
if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
return -EFAULT;
......@@ -1923,10 +1942,10 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
{
int ret, mmd;
struct adapter *adapter = dev->priv;
struct port_info *pi = netdev_priv(dev);
struct mii_ioctl_data *data = if_mii(req);
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
int ret, mmd;
switch (cmd) {
case SIOCGMIIPHY:
......@@ -1994,9 +2013,9 @@ static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
static int cxgb_change_mtu(struct net_device *dev, int new_mtu)
{
int ret;
struct adapter *adapter = dev->priv;
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
int ret;
if (new_mtu < 81) /* accommodate SACK */
return -EINVAL;
......@@ -2013,8 +2032,8 @@ static int cxgb_change_mtu(struct net_device *dev, int new_mtu)
static int cxgb_set_mac_addr(struct net_device *dev, void *p)
{
struct adapter *adapter = dev->priv;
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
struct sockaddr *addr = p;
if (!is_valid_ether_addr(addr->sa_data))
......@@ -2050,8 +2069,8 @@ static void t3_synchronize_rx(struct adapter *adap, const struct port_info *p)
static void vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
{
struct adapter *adapter = dev->priv;
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
pi->vlan_grp = grp;
if (adapter->params.rev > 0)
......@@ -2070,8 +2089,8 @@ static void vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
#ifdef CONFIG_NET_POLL_CONTROLLER
static void cxgb_netpoll(struct net_device *dev)
{
struct adapter *adapter = dev->priv;
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
int qidx;
for (qidx = pi->first_qset; qidx < pi->first_qset + pi->nqsets; qidx++) {
......@@ -2433,6 +2452,7 @@ static int __devinit init_one(struct pci_dev *pdev,
adapter->port[i] = netdev;
pi = netdev_priv(netdev);
pi->adapter = adapter;
pi->rx_csum_offload = 1;
pi->nqsets = 1;
pi->first_qset = i;
......@@ -2442,7 +2462,6 @@ static int __devinit init_one(struct pci_dev *pdev,
netdev->irq = pdev->irq;
netdev->mem_start = mmio_start;
netdev->mem_end = mmio_start + mmio_len - 1;
netdev->priv = adapter;
netdev->features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO;
netdev->features |= NETIF_F_LLTX;
if (pci_using_dac)
......@@ -2467,7 +2486,7 @@ static int __devinit init_one(struct pci_dev *pdev,
SET_ETHTOOL_OPS(netdev, &cxgb_ethtool_ops);
}
pci_set_drvdata(pdev, adapter->port[0]);
pci_set_drvdata(pdev, adapter);
if (t3_prep_adapter(adapter, ai, 1) < 0) {
err = -ENODEV;
goto out_free_dev;
......@@ -2547,11 +2566,10 @@ out_release_regions:
static void __devexit remove_one(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct adapter *adapter = pci_get_drvdata(pdev);
if (dev) {
if (adapter) {
int i;
struct adapter *adapter = dev->priv;
t3_sge_stop(adapter);
sysfs_remove_group(&adapter->port[0]->dev.kobj,
......
......@@ -593,6 +593,16 @@ int cxgb3_alloc_stid(struct t3cdev *tdev, struct cxgb3_client *client,
EXPORT_SYMBOL(cxgb3_alloc_stid);
/* Get the t3cdev associated with a net_device */
struct t3cdev *dev2t3cdev(struct net_device *dev)
{
const struct port_info *pi = netdev_priv(dev);
return (struct t3cdev *)pi->adapter;
}
EXPORT_SYMBOL(dev2t3cdev);
static int do_smt_write_rpl(struct t3cdev *dev, struct sk_buff *skb)
{
struct cpl_smt_write_rpl *rpl = cplhdr(skb);
......@@ -925,7 +935,7 @@ void cxgb_neigh_update(struct neighbour *neigh)
struct net_device *dev = neigh->dev;
if (dev && (is_offloading(dev))) {
struct t3cdev *tdev = T3CDEV(dev);
struct t3cdev *tdev = dev2t3cdev(dev);
BUG_ON(!tdev);
t3_l2t_update(tdev, neigh);
......@@ -973,9 +983,9 @@ void cxgb_redirect(struct dst_entry *old, struct dst_entry *new)
"device ignored.\n", __FUNCTION__);
return;
}
tdev = T3CDEV(olddev);
tdev = dev2t3cdev(olddev);
BUG_ON(!tdev);
if (tdev != T3CDEV(newdev)) {
if (tdev != dev2t3cdev(newdev)) {
printk(KERN_WARNING "%s: Redirect to different "
"offload device ignored.\n", __FUNCTION__);
return;
......
......@@ -51,6 +51,8 @@ void cxgb3_offload_deactivate(struct adapter *adapter);
void cxgb3_set_dummy_ops(struct t3cdev *dev);
struct t3cdev *dev2t3cdev(struct net_device *dev);
/*
* Client registration. Users of T3 driver must register themselves.
* The T3 driver will call the add function of every client for each T3
......
......@@ -1073,7 +1073,7 @@ int t3_eth_xmit(struct sk_buff *skb, struct net_device *dev)
{
unsigned int ndesc, pidx, credits, gen, compl;
const struct port_info *pi = netdev_priv(dev);
struct adapter *adap = dev->priv;
struct adapter *adap = pi->adapter;
struct sge_qset *qs = dev2qset(dev);
struct sge_txq *q = &qs->txq[TXQ_ETH];
......@@ -1326,7 +1326,8 @@ static void restart_ctrlq(unsigned long data)
struct sk_buff *skb;
struct sge_qset *qs = (struct sge_qset *)data;
struct sge_txq *q = &qs->txq[TXQ_CTRL];
struct adapter *adap = qs->netdev->priv;
const struct port_info *pi = netdev_priv(qs->netdev);
struct adapter *adap = pi->adapter;
spin_lock(&q->lock);
again:reclaim_completed_tx_imm(q);
......@@ -1531,7 +1532,8 @@ static void restart_offloadq(unsigned long data)
struct sk_buff *skb;
struct sge_qset *qs = (struct sge_qset *)data;
struct sge_txq *q = &qs->txq[TXQ_OFLD];
struct adapter *adap = qs->netdev->priv;
const struct port_info *pi = netdev_priv(qs->netdev);
struct adapter *adap = pi->adapter;
spin_lock(&q->lock);
again:reclaim_completed_tx(adap, q);
......@@ -1675,7 +1677,8 @@ static inline void deliver_partial_bundle(struct t3cdev *tdev,
*/
static int ofld_poll(struct net_device *dev, int *budget)
{
struct adapter *adapter = dev->priv;
const struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
struct sge_qset *qs = dev2qset(dev);
struct sge_rspq *q = &qs->rspq;
int work_done, limit = min(*budget, dev->quota), avail = limit;
......@@ -2075,7 +2078,8 @@ static inline int is_pure_response(const struct rsp_desc *r)
*/
static int napi_rx_handler(struct net_device *dev, int *budget)
{
struct adapter *adap = dev->priv;
const struct port_info *pi = netdev_priv(dev);
struct adapter *adap = pi->adapter;
struct sge_qset *qs = dev2qset(dev);
int effective_budget = min(*budget, dev->quota);
......@@ -2205,7 +2209,8 @@ static inline int handle_responses(struct adapter *adap, struct sge_rspq *q)
irqreturn_t t3_sge_intr_msix(int irq, void *cookie)
{
struct sge_qset *qs = cookie;
struct adapter *adap = qs->netdev->priv;
const struct port_info *pi = netdev_priv(qs->netdev);
struct adapter *adap = pi->adapter;
struct sge_rspq *q = &qs->rspq;
spin_lock(&q->lock);
......@@ -2224,7 +2229,8 @@ irqreturn_t t3_sge_intr_msix(int irq, void *cookie)
irqreturn_t t3_sge_intr_msix_napi(int irq, void *cookie)
{
struct sge_qset *qs = cookie;
struct adapter *adap = qs->netdev->priv;
const struct port_info *pi = netdev_priv(qs->netdev);
struct adapter *adap = pi->adapter;
struct sge_rspq *q = &qs->rspq;
spin_lock(&q->lock);
......@@ -2508,7 +2514,8 @@ static void sge_timer_cb(unsigned long data)
{
spinlock_t *lock;
struct sge_qset *qs = (struct sge_qset *)data;
struct adapter *adap = qs->netdev->priv;
const struct port_info *pi = netdev_priv(qs->netdev);
struct adapter *adap = pi->adapter;
if (spin_trylock(&qs->txq[TXQ_ETH].lock)) {
reclaim_completed_tx(adap, &qs->txq[TXQ_ETH]);
......
......@@ -42,9 +42,6 @@
#define T3CNAMSIZ 16
/* Get the t3cdev associated with a net_device */
#define T3CDEV(netdev) (struct t3cdev *)(netdev->priv)
struct cxgb3_client;
enum t3ctype {
......
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