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Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6

Browse source 
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (52 commits)
  netxen: do_rom_fast_write error handling
  natsemi: Fix detection of vanilla natsemi cards
  net: remove a collection of unneeded #undef REALLY_SLOW_IO stuff
  chelsio: Fix non-NAPI compile
  cxgb3 - Feed Rx free list with pages
  cxgb3 - Recovery from HW starvation of response queue entries.
  cxgb3 - Unmap offload packets when they are freed
  cxgb3 - FW version update
  cxgb3 - private ioctl cleanup
  cxgb3 - manage sysfs attributes per port
  S2IO: Restoring the mac address in s2io_reset
  S2IO: Avoid printing the Enhanced statistics for Xframe I card.
  S2IO: Making LED off during LINK_DOWN notification.
  S2IO: Added a loadable parameter to enable or disable vlan stripping in frame.
  S2IO: Optimized the delay to wait for command completion
  S2IO: Fixes for MSI and MSIX
  qla3xxx: Bumping driver version number
  qla3xxx: Kernic Panic on pSeries under stress conditions
  qla3xxx: bugfix tx reset after stress conditions.
  qla3xxx: Check return code from pci_map_single() in ql_release_to_lrg_buf_free_list(), ql_populate_free_queue(), ql_alloc_large_buffers(), and ql3xxx_send()
  ...
This commit is contained in:
Linus Torvalds 2007-02-27 07:39:04 -08:00
commit ce27002078
37 changed files with 1709 additions and 844 deletions
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4
MAINTAINERS
View file

@ -3177,8 +3177,8 @@ L: linux-kernel@vger.kernel.org ?
S: Supported
SPIDERNET NETWORK DRIVER for CELL
P: Jim Lewis
M: jim@jklewis.com
P: Linas Vepstas
M: linas@austin.ibm.com
L: netdev@vger.kernel.org
S: Supported

2
drivers/net/Kconfig
View file

@ -2245,7 +2245,7 @@ config BNX2
config SPIDER_NET
tristate "Spider Gigabit Ethernet driver"
depends on PCI && PPC_IBM_CELL_BLADE
depends on PCI && (PPC_IBM_CELL_BLADE || PPC_CELLEB)
select FW_LOADER
help
This driver supports the Gigabit Ethernet chips present on the

1
drivers/net/chelsio/sge.c
View file

@ -1696,6 +1696,7 @@ irqreturn_t t1_interrupt(int irq, void *cookie)
{
int work_done;
struct adapter *adapter = cookie;
struct respQ *Q = &adapter->sge->respQ;
spin_lock(&adapter->async_lock);

11
drivers/net/cxgb3/adapter.h
View file

@ -74,6 +74,11 @@ enum { /* adapter flags */
struct rx_desc;
struct rx_sw_desc;
struct sge_fl_page {
struct skb_frag_struct frag;
unsigned char *va;
};
struct sge_fl { /* SGE per free-buffer list state */
unsigned int buf_size; /* size of each Rx buffer */
unsigned int credits; /* # of available Rx buffers */
@ -81,11 +86,13 @@ struct sge_fl { /* SGE per free-buffer list state */
unsigned int cidx; /* consumer index */
unsigned int pidx; /* producer index */
unsigned int gen; /* free list generation */
unsigned int cntxt_id; /* SGE context id for the free list */
struct sge_fl_page page;
struct rx_desc *desc; /* address of HW Rx descriptor ring */
struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */
dma_addr_t phys_addr; /* physical address of HW ring start */
unsigned int cntxt_id; /* SGE context id for the free list */
unsigned long empty; /* # of times queue ran out of buffers */
unsigned long alloc_failed; /* # of times buffer allocation failed */
};
/*
@ -121,6 +128,8 @@ struct sge_rspq { /* state for an SGE response queue */
unsigned long empty; /* # of times queue ran out of credits */
unsigned long nomem; /* # of responses deferred due to no mem */
unsigned long unhandled_irqs; /* # of spurious intrs */
unsigned long starved;
unsigned long restarted;
};
struct tx_desc;

33
drivers/net/cxgb3/cxgb3_ioctl.h
View file

@ -36,28 +36,17 @@
* Ioctl commands specific to this driver.
*/
enum {
CHELSIO_SETREG = 1024,
CHELSIO_GETREG,
CHELSIO_SETTPI,
CHELSIO_GETTPI,
CHELSIO_GETMTUTAB,
CHELSIO_SETMTUTAB,
CHELSIO_GETMTU,
CHELSIO_SET_PM,
CHELSIO_GET_PM,
CHELSIO_GET_TCAM,
CHELSIO_SET_TCAM,
CHELSIO_GET_TCB,
CHELSIO_GET_MEM,
CHELSIO_LOAD_FW,
CHELSIO_GET_PROTO,
CHELSIO_SET_PROTO,
CHELSIO_SET_TRACE_FILTER,
CHELSIO_SET_QSET_PARAMS,
CHELSIO_GET_QSET_PARAMS,
CHELSIO_SET_QSET_NUM,
CHELSIO_GET_QSET_NUM,
CHELSIO_SET_PKTSCHED,
CHELSIO_GETMTUTAB = 1029,
CHELSIO_SETMTUTAB = 1030,
CHELSIO_SET_PM = 1032,
CHELSIO_GET_PM = 1033,
CHELSIO_GET_MEM = 1038,
CHELSIO_LOAD_FW = 1041,
CHELSIO_SET_TRACE_FILTER = 1044,
CHELSIO_SET_QSET_PARAMS = 1045,
CHELSIO_GET_QSET_PARAMS = 1046,
CHELSIO_SET_QSET_NUM = 1047,
CHELSIO_GET_QSET_NUM = 1048,
};
struct ch_reg {

69
drivers/net/cxgb3/cxgb3_main.c
View file

@ -434,27 +434,25 @@ static int setup_sge_qsets(struct adapter *adap)
static ssize_t attr_show(struct device *d, struct device_attribute *attr,
char *buf,
ssize_t(*format) (struct adapter *, char *))
ssize_t(*format) (struct net_device *, char *))
{
ssize_t len;
struct adapter *adap = to_net_dev(d)->priv;
/* Synchronize with ioctls that may shut down the device */
rtnl_lock();
len = (*format) (adap, buf);
len = (*format) (to_net_dev(d), buf);
rtnl_unlock();
return len;
}
static ssize_t attr_store(struct device *d, struct device_attribute *attr,
const char *buf, size_t len,
ssize_t(*set) (struct adapter *, unsigned int),
ssize_t(*set) (struct net_device *, unsigned int),
unsigned int min_val, unsigned int max_val)
{
char *endp;
ssize_t ret;
unsigned int val;
struct adapter *adap = to_net_dev(d)->priv;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
@ -464,7 +462,7 @@ static ssize_t attr_store(struct device *d, struct device_attribute *attr,
return -EINVAL;
rtnl_lock();
ret = (*set) (adap, val);
ret = (*set) (to_net_dev(d), val);
if (!ret)
ret = len;
rtnl_unlock();
@ -472,8 +470,9 @@ static ssize_t attr_store(struct device *d, struct device_attribute *attr,
}
#define CXGB3_SHOW(name, val_expr) \
static ssize_t format_##name(struct adapter *adap, char *buf) \
static ssize_t format_##name(struct net_device *dev, char *buf) \
{ \
struct adapter *adap = dev->priv; \
return sprintf(buf, "%u\n", val_expr); \
} \
static ssize_t show_##name(struct device *d, struct device_attribute *attr, \
@ -482,8 +481,10 @@ static ssize_t show_##name(struct device *d, struct device_attribute *attr, \
return attr_show(d, attr, buf, format_##name); \
}
static ssize_t set_nfilters(struct adapter *adap, unsigned int val)
static ssize_t set_nfilters(struct net_device *dev, unsigned int val)
{
struct adapter *adap = dev->priv;
if (adap->flags & FULL_INIT_DONE)
return -EBUSY;
if (val && adap->params.rev == 0)
@ -500,8 +501,10 @@ static ssize_t store_nfilters(struct device *d, struct device_attribute *attr,
return attr_store(d, attr, buf, len, set_nfilters, 0, ~0);
}
static ssize_t set_nservers(struct adapter *adap, unsigned int val)
static ssize_t set_nservers(struct net_device *dev, unsigned int val)
{
struct adapter *adap = dev->priv;
if (adap->flags & FULL_INIT_DONE)
return -EBUSY;
if (val > t3_mc5_size(&adap->mc5) - adap->params.mc5.nfilters)
@ -1549,32 +1552,6 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
return -EFAULT;
switch (cmd) {
case CHELSIO_SETREG:{
struct ch_reg edata;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (copy_from_user(&edata, useraddr, sizeof(edata)))
return -EFAULT;
if ((edata.addr & 3) != 0
|| edata.addr >= adapter->mmio_len)
return -EINVAL;
writel(edata.val, adapter->regs + edata.addr);
break;
}
case CHELSIO_GETREG:{
struct ch_reg edata;
if (copy_from_user(&edata, useraddr, sizeof(edata)))
return -EFAULT;
if ((edata.addr & 3) != 0
|| edata.addr >= adapter->mmio_len)
return -EINVAL;
edata.val = readl(adapter->regs + edata.addr);
if (copy_to_user(useraddr, &edata, sizeof(edata)))
return -EFAULT;
break;
}
case CHELSIO_SET_QSET_PARAMS:{
int i;
struct qset_params *q;
@ -1838,10 +1815,10 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
return -EINVAL;
/*
* Version scheme:
* bits 0..9: chip version
* bits 10..15: chip revision
*/
* Version scheme:
* bits 0..9: chip version
* bits 10..15: chip revision
*/
t.version = 3 | (adapter->params.rev << 10);
if (copy_to_user(useraddr, &t, sizeof(t)))
return -EFAULT;
@ -1890,20 +1867,6 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
t.trace_rx);
break;
}
case CHELSIO_SET_PKTSCHED:{
struct ch_pktsched_params p;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (!adapter->open_device_map)
return -EAGAIN; /* uP and SGE must be running */
if (copy_from_user(&p, useraddr, sizeof(p)))
return -EFAULT;
send_pktsched_cmd(adapter, p.sched, p.idx, p.min, p.max,
p.binding);
break;
}
default:
return -EOPNOTSUPP;
}

390
drivers/net/cxgb3/sge.c
View file

@ -45,9 +45,25 @@
#define USE_GTS 0
#define SGE_RX_SM_BUF_SIZE 1536
/*
* If USE_RX_PAGE is defined, the small freelist populated with (partial)
* pages instead of skbs. Pages are carved up into RX_PAGE_SIZE chunks (must
* be a multiple of the host page size).
*/
#define USE_RX_PAGE
#define RX_PAGE_SIZE 2048
/*
* skb freelist packets are copied into a new skb (and the freelist one is
* reused) if their len is <=
*/
#define SGE_RX_COPY_THRES 256
# define SGE_RX_DROP_THRES 16
/*
* Minimum number of freelist entries before we start dropping TUNNEL frames.
*/
#define SGE_RX_DROP_THRES 16
/*
* Period of the Tx buffer reclaim timer. This timer does not need to run
@ -85,7 +101,10 @@ struct tx_sw_desc { /* SW state per Tx descriptor */
};
struct rx_sw_desc { /* SW state per Rx descriptor */
struct sk_buff *skb;
union {
struct sk_buff *skb;
struct sge_fl_page page;
} t;
DECLARE_PCI_UNMAP_ADDR(dma_addr);
};
@ -104,6 +123,15 @@ struct unmap_info { /* packet unmapping info, overlays skb->cb */
u32 len; /* mapped length of skb main body */
};
/*
* Holds unmapping information for Tx packets that need deferred unmapping.
* This structure lives at skb->head and must be allocated by callers.
*/
struct deferred_unmap_info {
struct pci_dev *pdev;
dma_addr_t addr[MAX_SKB_FRAGS + 1];
};
/*
* Maps a number of flits to the number of Tx descriptors that can hold them.
* The formula is
@ -252,10 +280,13 @@ static void free_tx_desc(struct adapter *adapter, struct sge_txq *q,
struct pci_dev *pdev = adapter->pdev;
unsigned int cidx = q->cidx;
const int need_unmap = need_skb_unmap() &&
q->cntxt_id >= FW_TUNNEL_SGEEC_START;
d = &q->sdesc[cidx];
while (n--) {
if (d->skb) { /* an SGL is present */
if (need_skb_unmap())
if (need_unmap)
unmap_skb(d->skb, q, cidx, pdev);
if (d->skb->priority == cidx)
kfree_skb(d->skb);
@ -320,16 +351,27 @@ static void free_rx_bufs(struct pci_dev *pdev, struct sge_fl *q)
pci_unmap_single(pdev, pci_unmap_addr(d, dma_addr),
q->buf_size, PCI_DMA_FROMDEVICE);
kfree_skb(d->skb);
d->skb = NULL;
if (q->buf_size != RX_PAGE_SIZE) {
kfree_skb(d->t.skb);
d->t.skb = NULL;
} else {
if (d->t.page.frag.page)
put_page(d->t.page.frag.page);
d->t.page.frag.page = NULL;
}
if (++cidx == q->size)
cidx = 0;
}
if (q->page.frag.page)
put_page(q->page.frag.page);
q->page.frag.page = NULL;
}
/**
* add_one_rx_buf - add a packet buffer to a free-buffer list
* @skb: the buffer to add
* @va: va of the buffer to add
* @len: the buffer length
* @d: the HW Rx descriptor to write
* @sd: the SW Rx descriptor to write
@ -339,14 +381,13 @@ static void free_rx_bufs(struct pci_dev *pdev, struct sge_fl *q)
* Add a buffer of the given length to the supplied HW and SW Rx
* descriptors.
*/
static inline void add_one_rx_buf(struct sk_buff *skb, unsigned int len,
static inline void add_one_rx_buf(unsigned char *va, unsigned int len,
struct rx_desc *d, struct rx_sw_desc *sd,
unsigned int gen, struct pci_dev *pdev)
{
dma_addr_t mapping;
sd->skb = skb;
mapping = pci_map_single(pdev, skb->data, len, PCI_DMA_FROMDEVICE);
mapping = pci_map_single(pdev, va, len, PCI_DMA_FROMDEVICE);
pci_unmap_addr_set(sd, dma_addr, mapping);
d->addr_lo = cpu_to_be32(mapping);
@ -371,14 +412,47 @@ static void refill_fl(struct adapter *adap, struct sge_fl *q, int n, gfp_t gfp)
{
struct rx_sw_desc *sd = &q->sdesc[q->pidx];
struct rx_desc *d = &q->desc[q->pidx];
struct sge_fl_page *p = &q->page;
while (n--) {
struct sk_buff *skb = alloc_skb(q->buf_size, gfp);
unsigned char *va;
if (!skb)
break;
if (unlikely(q->buf_size != RX_PAGE_SIZE)) {
struct sk_buff *skb = alloc_skb(q->buf_size, gfp);
if (!skb) {
q->alloc_failed++;
break;
}
va = skb->data;
sd->t.skb = skb;
} else {
if (!p->frag.page) {
p->frag.page = alloc_pages(gfp, 0);
if (unlikely(!p->frag.page)) {
q->alloc_failed++;
break;
} else {
p->frag.size = RX_PAGE_SIZE;
p->frag.page_offset = 0;
p->va = page_address(p->frag.page);
}
}
memcpy(&sd->t, p, sizeof(*p));
va = p->va;
p->frag.page_offset += RX_PAGE_SIZE;
BUG_ON(p->frag.page_offset > PAGE_SIZE);
p->va += RX_PAGE_SIZE;
if (p->frag.page_offset == PAGE_SIZE)
p->frag.page = NULL;
else
get_page(p->frag.page);
}
add_one_rx_buf(va, q->buf_size, d, sd, q->gen, adap->pdev);
add_one_rx_buf(skb, q->buf_size, d, sd, q->gen, adap->pdev);
d++;
sd++;
if (++q->pidx == q->size) {
@ -413,7 +487,7 @@ static void recycle_rx_buf(struct adapter *adap, struct sge_fl *q,
struct rx_desc *from = &q->desc[idx];
struct rx_desc *to = &q->desc[q->pidx];
q->sdesc[q->pidx] = q->sdesc[idx];
memcpy(&q->sdesc[q->pidx], &q->sdesc[idx], sizeof(struct rx_sw_desc));
to->addr_lo = from->addr_lo; /* already big endian */
to->addr_hi = from->addr_hi; /* likewise */
wmb();
@ -446,7 +520,7 @@ static void recycle_rx_buf(struct adapter *adap, struct sge_fl *q,
* of the SW ring.
*/
static void *alloc_ring(struct pci_dev *pdev, size_t nelem, size_t elem_size,
size_t sw_size, dma_addr_t *phys, void *metadata)
size_t sw_size, dma_addr_t * phys, void *metadata)
{
size_t len = nelem * elem_size;
void *s = NULL;
@ -575,61 +649,6 @@ static inline unsigned int flits_to_desc(unsigned int n)
return flit_desc_map[n];
}
/**
* get_packet - return the next ingress packet buffer from a free list
* @adap: the adapter that received the packet
* @fl: the SGE free list holding the packet
* @len: the packet length including any SGE padding
* @drop_thres: # of remaining buffers before we start dropping packets
*
* Get the next packet from a free list and complete setup of the
* sk_buff. If the packet is small we make a copy and recycle the
* original buffer, otherwise we use the original buffer itself. If a
* positive drop threshold is supplied packets are dropped and their
* buffers recycled if (a) the number of remaining buffers is under the
* threshold and the packet is too big to copy, or (b) the packet should
* be copied but there is no memory for the copy.
*/
static struct sk_buff *get_packet(struct adapter *adap, struct sge_fl *fl,
unsigned int len, unsigned int drop_thres)
{
struct sk_buff *skb = NULL;
struct rx_sw_desc *sd = &fl->sdesc[fl->cidx];
prefetch(sd->skb->data);
if (len <= SGE_RX_COPY_THRES) {
skb = alloc_skb(len, GFP_ATOMIC);
if (likely(skb != NULL)) {
__skb_put(skb, len);
pci_dma_sync_single_for_cpu(adap->pdev,
pci_unmap_addr(sd,
dma_addr),
len, PCI_DMA_FROMDEVICE);
memcpy(skb->data, sd->skb->data, len);
pci_dma_sync_single_for_device(adap->pdev,
pci_unmap_addr(sd,
dma_addr),
len, PCI_DMA_FROMDEVICE);
} else if (!drop_thres)
goto use_orig_buf;
recycle:
recycle_rx_buf(adap, fl, fl->cidx);
return skb;
}
if (unlikely(fl->credits < drop_thres))
goto recycle;
use_orig_buf:
pci_unmap_single(adap->pdev, pci_unmap_addr(sd, dma_addr),
fl->buf_size, PCI_DMA_FROMDEVICE);
skb = sd->skb;
skb_put(skb, len);
__refill_fl(adap, fl);
return skb;
}
/**
* get_imm_packet - return the next ingress packet buffer from a response
* @resp: the response descriptor containing the packet data
@ -1226,6 +1245,50 @@ int t3_mgmt_tx(struct adapter *adap, struct sk_buff *skb)
return ctrl_xmit(adap, &adap->sge.qs[0].txq[TXQ_CTRL], skb);
}
/**
* deferred_unmap_destructor - unmap a packet when it is freed
* @skb: the packet
*
* This is the packet destructor used for Tx packets that need to remain
* mapped until they are freed rather than until their Tx descriptors are
* freed.
*/
static void deferred_unmap_destructor(struct sk_buff *skb)
{
int i;
const dma_addr_t *p;
const struct skb_shared_info *si;
const struct deferred_unmap_info *dui;
const struct unmap_info *ui = (struct unmap_info *)skb->cb;
dui = (struct deferred_unmap_info *)skb->head;
p = dui->addr;
if (ui->len)
pci_unmap_single(dui->pdev, *p++, ui->len, PCI_DMA_TODEVICE);
si = skb_shinfo(skb);
for (i = 0; i < si->nr_frags; i++)
pci_unmap_page(dui->pdev, *p++, si->frags[i].size,
PCI_DMA_TODEVICE);
}
static void setup_deferred_unmapping(struct sk_buff *skb, struct pci_dev *pdev,
const struct sg_ent *sgl, int sgl_flits)
{
dma_addr_t *p;
struct deferred_unmap_info *dui;
dui = (struct deferred_unmap_info *)skb->head;
dui->pdev = pdev;
for (p = dui->addr; sgl_flits >= 3; sgl++, sgl_flits -= 3) {
*p++ = be64_to_cpu(sgl->addr[0]);
*p++ = be64_to_cpu(sgl->addr[1]);
}
if (sgl_flits)
*p = be64_to_cpu(sgl->addr[0]);
}
/**
* write_ofld_wr - write an offload work request
* @adap: the adapter
@ -1262,8 +1325,11 @@ static void write_ofld_wr(struct adapter *adap, struct sk_buff *skb,
sgp = ndesc == 1 ? (struct sg_ent *)&d->flit[flits] : sgl;
sgl_flits = make_sgl(skb, sgp, skb->h.raw, skb->tail - skb->h.raw,
adap->pdev);
if (need_skb_unmap())
if (need_skb_unmap()) {
setup_deferred_unmapping(skb, adap->pdev, sgp, sgl_flits);
skb->destructor = deferred_unmap_destructor;
((struct unmap_info *)skb->cb)->len = skb->tail - skb->h.raw;
}
write_wr_hdr_sgl(ndesc, skb, d, pidx, q, sgl, flits, sgl_flits,
gen, from->wr_hi, from->wr_lo);
@ -1617,7 +1683,6 @@ static void rx_eth(struct adapter *adap, struct sge_rspq *rq,
struct cpl_rx_pkt *p = (struct cpl_rx_pkt *)(skb->data + pad);
struct port_info *pi;
rq->eth_pkts++;
skb_pull(skb, sizeof(*p) + pad);
skb->dev = adap->port[p->iff];
skb->dev->last_rx = jiffies;
@ -1645,6 +1710,85 @@ static void rx_eth(struct adapter *adap, struct sge_rspq *rq,
netif_rx(skb);
}
#define SKB_DATA_SIZE 128
static void skb_data_init(struct sk_buff *skb, struct sge_fl_page *p,
unsigned int len)
{
skb->len = len;
if (len <= SKB_DATA_SIZE) {
memcpy(skb->data, p->va, len);
skb->tail += len;
put_page(p->frag.page);
} else {
memcpy(skb->data, p->va, SKB_DATA_SIZE);
skb_shinfo(skb)->frags[0].page = p->frag.page;
skb_shinfo(skb)->frags[0].page_offset =
p->frag.page_offset + SKB_DATA_SIZE;
skb_shinfo(skb)->frags[0].size = len - SKB_DATA_SIZE;
skb_shinfo(skb)->nr_frags = 1;
skb->data_len = len - SKB_DATA_SIZE;
skb->tail += SKB_DATA_SIZE;
skb->truesize += skb->data_len;
}
}
/**
* get_packet - return the next ingress packet buffer from a free list
* @adap: the adapter that received the packet
* @fl: the SGE free list holding the packet
* @len: the packet length including any SGE padding
* @drop_thres: # of remaining buffers before we start dropping packets
*
* Get the next packet from a free list and complete setup of the
* sk_buff. If the packet is small we make a copy and recycle the
* original buffer, otherwise we use the original buffer itself. If a
* positive drop threshold is supplied packets are dropped and their
* buffers recycled if (a) the number of remaining buffers is under the
* threshold and the packet is too big to copy, or (b) the packet should
* be copied but there is no memory for the copy.
*/
static struct sk_buff *get_packet(struct adapter *adap, struct sge_fl *fl,
unsigned int len, unsigned int drop_thres)
{
struct sk_buff *skb = NULL;
struct rx_sw_desc *sd = &fl->sdesc[fl->cidx];
prefetch(sd->t.skb->data);
if (len <= SGE_RX_COPY_THRES) {
skb = alloc_skb(len, GFP_ATOMIC);
if (likely(skb != NULL)) {
struct rx_desc *d = &fl->desc[fl->cidx];
dma_addr_t mapping =
(dma_addr_t)((u64) be32_to_cpu(d->addr_hi) << 32 |
be32_to_cpu(d->addr_lo));
__skb_put(skb, len);
pci_dma_sync_single_for_cpu(adap->pdev, mapping, len,
PCI_DMA_FROMDEVICE);
memcpy(skb->data, sd->t.skb->data, len);
pci_dma_sync_single_for_device(adap->pdev, mapping, len,
PCI_DMA_FROMDEVICE);
} else if (!drop_thres)
goto use_orig_buf;
recycle:
recycle_rx_buf(adap, fl, fl->cidx);
return skb;
}
if (unlikely(fl->credits < drop_thres))
goto recycle;
use_orig_buf:
pci_unmap_single(adap->pdev, pci_unmap_addr(sd, dma_addr),
fl->buf_size, PCI_DMA_FROMDEVICE);
skb = sd->t.skb;
skb_put(skb, len);
__refill_fl(adap, fl);
return skb;
}
/**
* handle_rsp_cntrl_info - handles control information in a response
* @qs: the queue set corresponding to the response
@ -1767,7 +1911,7 @@ static int process_responses(struct adapter *adap, struct sge_qset *qs,
q->next_holdoff = q->holdoff_tmr;
while (likely(budget_left && is_new_response(r, q))) {
int eth, ethpad = 0;
int eth, ethpad = 2;
struct sk_buff *skb = NULL;
u32 len, flags = ntohl(r->flags);
u32 rss_hi = *(const u32 *)r, rss_lo = r->rss_hdr.rss_hash_val;
@ -1794,18 +1938,56 @@ static int process_responses(struct adapter *adap, struct sge_qset *qs,
break;
}
q->imm_data++;
ethpad = 0;
} else if ((len = ntohl(r->len_cq)) != 0) {
struct sge_fl *fl;
struct sge_fl *fl =
(len & F_RSPD_FLQ) ? &qs->fl[1] : &qs->fl[0];
if (fl->buf_size == RX_PAGE_SIZE) {
struct rx_sw_desc *sd = &fl->sdesc[fl->cidx];
struct sge_fl_page *p = &sd->t.page;
prefetch(p->va);
prefetch(p->va + L1_CACHE_BYTES);
__refill_fl(adap, fl);
pci_unmap_single(adap->pdev,
pci_unmap_addr(sd, dma_addr),
fl->buf_size,
PCI_DMA_FROMDEVICE);
if (eth) {
if (unlikely(fl->credits <
SGE_RX_DROP_THRES))
goto eth_recycle;
skb = alloc_skb(SKB_DATA_SIZE,
GFP_ATOMIC);
if (unlikely(!skb)) {
eth_recycle:
q->rx_drops++;
recycle_rx_buf(adap, fl,
fl->cidx);
goto eth_done;
}
} else {
skb = alloc_skb(SKB_DATA_SIZE,
GFP_ATOMIC);
if (unlikely(!skb))
goto no_mem;
}
skb_data_init(skb, p, G_RSPD_LEN(len));
eth_done:
fl->credits--;
q->eth_pkts++;
} else {
fl->credits--;
skb = get_packet(adap, fl, G_RSPD_LEN(len),
eth ? SGE_RX_DROP_THRES : 0);
}
fl = (len & F_RSPD_FLQ) ? &qs->fl[1] : &qs->fl[0];
fl->credits--;
skb = get_packet(adap, fl, G_RSPD_LEN(len),
eth ? SGE_RX_DROP_THRES : 0);
if (!skb)
q->rx_drops++;
else if (r->rss_hdr.opcode == CPL_TRACE_PKT)
__skb_pull(skb, 2);
ethpad = 2;
if (++fl->cidx == fl->size)
fl->cidx = 0;
} else
@ -1829,18 +2011,23 @@ static int process_responses(struct adapter *adap, struct sge_qset *qs,
q->credits = 0;
}
if (likely(skb != NULL)) {
if (skb) {
/* Preserve the RSS info in csum & priority */
skb->csum = rss_hi;
skb->priority = rss_lo;
if (eth)
rx_eth(adap, q, skb, ethpad);
else {
/* Preserve the RSS info in csum & priority */
skb->csum = rss_hi;
skb->priority = rss_lo;
ngathered = rx_offload(&adap->tdev, q, skb,
offload_skbs, ngathered);
if (unlikely(r->rss_hdr.opcode ==
CPL_TRACE_PKT))
__skb_pull(skb, ethpad);
ngathered = rx_offload(&adap->tdev, q,
skb, offload_skbs,
ngathered);
}
}
--budget_left;
}
@ -2320,10 +2507,23 @@ static void sge_timer_cb(unsigned long data)
&adap->sge.qs[0].rspq.lock;
if (spin_trylock_irq(lock)) {
if (!napi_is_scheduled(qs->netdev)) {
u32 status = t3_read_reg(adap, A_SG_RSPQ_FL_STATUS);
if (qs->fl[0].credits < qs->fl[0].size)
__refill_fl(adap, &qs->fl[0]);
if (qs->fl[1].credits < qs->fl[1].size)
__refill_fl(adap, &qs->fl[1]);
if (status & (1 << qs->rspq.cntxt_id)) {
qs->rspq.starved++;
if (qs->rspq.credits) {
refill_rspq(adap, &qs->rspq, 1);
qs->rspq.credits--;
qs->rspq.restarted++;
t3_write_reg(adap, A_SG_RSPQ_FL_STATUS,
1 << qs->rspq.cntxt_id);
}
}
}
spin_unlock_irq(lock);
}
@ -2432,13 +2632,21 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
flits_to_desc(sgl_len(MAX_SKB_FRAGS + 1) + 3);
if (ntxq == 1) {
#ifdef USE_RX_PAGE
q->fl[0].buf_size = RX_PAGE_SIZE;
#else
q->fl[0].buf_size = SGE_RX_SM_BUF_SIZE + 2 +
sizeof(struct cpl_rx_pkt);
#endif
q->fl[1].buf_size = MAX_FRAME_SIZE + 2 +
sizeof(struct cpl_rx_pkt);
} else {
#ifdef USE_RX_PAGE
q->fl[0].buf_size = RX_PAGE_SIZE;
#else
q->fl[0].buf_size = SGE_RX_SM_BUF_SIZE +
sizeof(struct cpl_rx_data);
#endif
q->fl[1].buf_size = (16 * 1024) -
SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
}
@ -2632,7 +2840,7 @@ void __devinit t3_sge_prep(struct adapter *adap, struct sge_params *p)
q->polling = adap->params.rev > 0;
q->coalesce_usecs = 5;
q->rspq_size = 1024;
q->fl_size = 4096;
q->fl_size = 1024;
q->jumbo_size = 512;
q->txq_size[TXQ_ETH] = 1024;
q->txq_size[TXQ_OFLD] = 1024;

6
drivers/net/cxgb3/t3_hw.c
View file

@ -884,11 +884,13 @@ int t3_check_fw_version(struct adapter *adapter)
major = G_FW_VERSION_MAJOR(vers);
minor = G_FW_VERSION_MINOR(vers);
if (type == FW_VERSION_T3 && major == 3 && minor == 1)
if (type == FW_VERSION_T3 && major == FW_VERSION_MAJOR &&
minor == FW_VERSION_MINOR)
return 0;
CH_ERR(adapter, "found wrong FW version(%u.%u), "
"driver needs version 3.1\n", major, minor);
"driver needs version %u.%u\n", major, minor,
FW_VERSION_MAJOR, FW_VERSION_MINOR);
return -EINVAL;
}

2
drivers/net/cxgb3/version.h
View file

@ -36,4 +36,6 @@
#define DRV_NAME "cxgb3"
/* Driver version */
#define DRV_VERSION "1.0"
#define FW_VERSION_MAJOR 3
#define FW_VERSION_MINOR 2
#endif /* __CHELSIO_VERSION_H */

6
drivers/net/de600.c
View file

@ -38,12 +38,6 @@ static const char version[] = "de600.c: $Revision: 1.41-2.5 $, Bjorn Ekwall (bj
/* Add more time here if your adapter won't work OK: */
#define DE600_SLOW_DOWN udelay(delay_time)
/*
* If you still have trouble reading/writing to the adapter,
* modify the following "#define": (see <asm/io.h> for more info)
#define REALLY_SLOW_IO
*/
/* use 0 for production, 1 for verification, >2 for debug */
#ifdef DE600_DEBUG
#define PRINTK(x) if (de600_debug >= 2) printk x

20
drivers/net/forcedeth.c
View file

@ -839,7 +839,7 @@ enum {
NV_MSIX_INT_DISABLED,
NV_MSIX_INT_ENABLED
};
static int msix = NV_MSIX_INT_ENABLED;
static int msix = NV_MSIX_INT_DISABLED;
/*
* DMA 64bit
@ -3104,13 +3104,17 @@ static int nv_napi_poll(struct net_device *dev, int *budget)
struct fe_priv *np = netdev_priv(dev);
u8 __iomem *base = get_hwbase(dev);
unsigned long flags;
int retcode;
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2)
if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) {
pkts = nv_rx_process(dev, limit);
else
retcode = nv_alloc_rx(dev);
} else {
pkts = nv_rx_process_optimized(dev, limit);
retcode = nv_alloc_rx_optimized(dev);
}
if (nv_alloc_rx(dev)) {
if (retcode) {
spin_lock_irqsave(&np->lock, flags);
if (!np->in_shutdown)
mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
@ -5370,19 +5374,19 @@ static struct pci_device_id pci_tbl[] = {
},
{ /* MCP65 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_20),
.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT,
.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT,
},
{ /* MCP65 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_21),
.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT,
.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT,
},
{ /* MCP65 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_22),
.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT,
.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT,
},
{ /* MCP65 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_23),
.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT,
.driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT,
},
{ /* MCP67 Ethernet Controller */
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_24),

6
drivers/net/mv643xx_eth.c
View file

@ -147,13 +147,13 @@ static void mv643xx_eth_rx_refill_descs(struct net_device *dev)
int unaligned;
while (mp->rx_desc_count < mp->rx_ring_size) {
skb = dev_alloc_skb(ETH_RX_SKB_SIZE + ETH_DMA_ALIGN);
skb = dev_alloc_skb(ETH_RX_SKB_SIZE + dma_get_cache_alignment());
if (!skb)
break;
mp->rx_desc_count++;
unaligned = (u32)skb->data & (ETH_DMA_ALIGN - 1);
unaligned = (u32)skb->data & (dma_get_cache_alignment() - 1);
if (unaligned)
skb_reserve(skb, ETH_DMA_ALIGN - unaligned);
skb_reserve(skb, dma_get_cache_alignment() - unaligned);
pkt_info.cmd_sts = ETH_RX_ENABLE_INTERRUPT;
pkt_info.byte_cnt = ETH_RX_SKB_SIZE;
pkt_info.buf_ptr = dma_map_single(NULL, skb->data,

11
drivers/net/mv643xx_eth.h
View file

@ -42,17 +42,6 @@
#define MAX_DESCS_PER_SKB 1
#endif
/*
* The MV643XX HW requires 8-byte alignment. However, when I/O
* is non-cache-coherent, we need to ensure that the I/O buffers
* we use don't share cache lines with other data.
*/
#if defined(CONFIG_DMA_NONCOHERENT) || defined(CONFIG_NOT_COHERENT_CACHE)
#define ETH_DMA_ALIGN L1_CACHE_BYTES
#else
#define ETH_DMA_ALIGN 8
#endif
#define ETH_VLAN_HLEN 4
#define ETH_FCS_LEN 4
#define ETH_HW_IP_ALIGN 2 /* hw aligns IP header */

27
drivers/net/myri10ge/myri10ge.c
View file

@ -195,6 +195,10 @@ struct myri10ge_priv {
char *fw_name;
char eeprom_strings[MYRI10GE_EEPROM_STRINGS_SIZE];
char fw_version[128];
int fw_ver_major;
int fw_ver_minor;
int fw_ver_tiny;
int adopted_rx_filter_bug;
u8 mac_addr[6]; /* eeprom mac address */
unsigned long serial_number;
int vendor_specific_offset;
@ -447,7 +451,6 @@ myri10ge_validate_firmware(struct myri10ge_priv *mgp,
struct mcp_gen_header *hdr)
{
struct device *dev = &mgp->pdev->dev;
int major, minor;
/* check firmware type */
if (ntohl(hdr->mcp_type) != MCP_TYPE_ETH) {
@ -458,9 +461,11 @@ myri10ge_validate_firmware(struct myri10ge_priv *mgp,
/* save firmware version for ethtool */
strncpy(mgp->fw_version, hdr->version, sizeof(mgp->fw_version));
sscanf(mgp->fw_version, "%d.%d", &major, &minor);
sscanf(mgp->fw_version, "%d.%d.%d", &mgp->fw_ver_major,
&mgp->fw_ver_minor, &mgp->fw_ver_tiny);
if (!(major == MXGEFW_VERSION_MAJOR && minor == MXGEFW_VERSION_MINOR)) {
if (!(mgp->fw_ver_major == MXGEFW_VERSION_MAJOR
&& mgp->fw_ver_minor == MXGEFW_VERSION_MINOR)) {
dev_err(dev, "Found firmware version %s\n", mgp->fw_version);
dev_err(dev, "Driver needs %d.%d\n", MXGEFW_VERSION_MAJOR,
MXGEFW_VERSION_MINOR);
@ -561,6 +566,18 @@ static int myri10ge_adopt_running_firmware(struct myri10ge_priv *mgp)
memcpy_fromio(hdr, mgp->sram + hdr_offset, bytes);
status = myri10ge_validate_firmware(mgp, hdr);
kfree(hdr);
/* check to see if adopted firmware has bug where adopting
* it will cause broadcasts to be filtered unless the NIC
* is kept in ALLMULTI mode */
if (mgp->fw_ver_major == 1 && mgp->fw_ver_minor == 4 &&
mgp->fw_ver_tiny >= 4 && mgp->fw_ver_tiny <= 11) {
mgp->adopted_rx_filter_bug = 1;
dev_warn(dev, "Adopting fw %d.%d.%d: "
"working around rx filter bug\n",
mgp->fw_ver_major, mgp->fw_ver_minor,
mgp->fw_ver_tiny);
}
return status;
}
@ -794,6 +811,8 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
status = myri10ge_update_mac_address(mgp, mgp->dev->dev_addr);
myri10ge_change_promisc(mgp, 0, 0);
myri10ge_change_pause(mgp, mgp->pause);
if (mgp->adopted_rx_filter_bug)
(void)myri10ge_send_cmd(mgp, MXGEFW_ENABLE_ALLMULTI, &cmd, 1);
return status;
}
@ -2239,7 +2258,7 @@ static void myri10ge_set_multicast_list(struct net_device *dev)
myri10ge_change_promisc(mgp, dev->flags & IFF_PROMISC, 1);
/* This firmware is known to not support multicast */
if (!mgp->fw_multicast_support)
if (!mgp->fw_multicast_support || mgp->adopted_rx_filter_bug)
return;
/* Disable multicast filtering */

2
drivers/net/natsemi.c
View file

@ -260,7 +260,7 @@ static const struct {
static const struct pci_device_id natsemi_pci_tbl[] __devinitdata = {
{ PCI_VENDOR_ID_NS, 0x0020, 0x12d9, 0x000c, 0, 0, 0 },
{ PCI_VENDOR_ID_NS, 0x0020, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
{ PCI_VENDOR_ID_NS, 0x0020, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1 },
{ } /* terminate list */
};
MODULE_DEVICE_TABLE(pci, natsemi_pci_tbl);

9
drivers/net/netxen/netxen_nic_hw.c
View file

@ -242,10 +242,11 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter)
adapter->cmd_consumer = (uint32_t *) (((char *)addr) +
sizeof(struct netxen_ring_ctx));
addr = pci_alloc_consistent(adapter->ahw.pdev,
sizeof(struct cmd_desc_type0) *
adapter->max_tx_desc_count,
(dma_addr_t *) & hw->cmd_desc_phys_addr);
addr = netxen_alloc(adapter->ahw.pdev,
sizeof(struct cmd_desc_type0) *
adapter->max_tx_desc_count,
(dma_addr_t *) & hw->cmd_desc_phys_addr,
&adapter->ahw.cmd_desc_pdev);
printk("cmd_desc_phys_addr: 0x%llx\n", (u64) hw->cmd_desc_phys_addr);
if (addr == NULL) {

5
drivers/net/netxen/netxen_nic_init.c
View file

@ -499,7 +499,10 @@ static inline int do_rom_fast_write_words(struct netxen_adapter *adapter,
while(1) {
int data1;
do_rom_fast_read(adapter, addridx, &data1);
ret = do_rom_fast_read(adapter, addridx, &data1);
if (ret < 0)
return ret;
if (data1 == data)
break;

6
drivers/net/netxen/netxen_nic_main.c
View file

@ -525,6 +525,8 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
if (adapter == NULL)
return;
if (adapter->irq)
free_irq(adapter->irq, adapter);
netxen_nic_stop_all_ports(adapter);
/* leave the hw in the same state as reboot */
netxen_pinit_from_rom(adapter, 0);
@ -672,8 +674,6 @@ static int netxen_nic_close(struct net_device *netdev)
if (!adapter->active_ports) {
netxen_nic_disable_int(adapter);
if (adapter->irq)
free_irq(adapter->irq, adapter);
cmd_buff = adapter->cmd_buf_arr;
for (i = 0; i < adapter->max_tx_desc_count; i++) {
buffrag = cmd_buff->frag_array;
@ -1155,8 +1155,8 @@ static void __exit netxen_exit_module(void)
/*
* Wait for some time to allow the dma to drain, if any.
*/
destroy_workqueue(netxen_workq);
pci_unregister_driver(&netxen_driver);
destroy_workqueue(netxen_workq);
}
module_exit(netxen_exit_module);

2
drivers/net/ni52.c
View file

@ -104,8 +104,6 @@ static int automatic_resume; /* experimental .. better should be zero */
static int rfdadd; /* rfdadd=1 may be better for 8K MEM cards */
static int fifo=0x8; /* don't change */
/* #define REALLY_SLOW_IO */
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/string.h>

552
drivers/net/qla3xxx.c
View file

@ -39,7 +39,7 @@
#define DRV_NAME "qla3xxx"
#define DRV_STRING "QLogic ISP3XXX Network Driver"
#define DRV_VERSION "v2.02.00-k36"
#define DRV_VERSION "v2.03.00-k3"
#define PFX DRV_NAME " "
static const char ql3xxx_driver_name[] = DRV_NAME;
@ -276,7 +276,8 @@ static void ql_enable_interrupts(struct ql3_adapter *qdev)
static void ql_release_to_lrg_buf_free_list(struct ql3_adapter *qdev,
struct ql_rcv_buf_cb *lrg_buf_cb)
{
u64 map;
dma_addr_t map;
int err;
lrg_buf_cb->next = NULL;
if (qdev->lrg_buf_free_tail == NULL) { /* The list is empty */
@ -287,9 +288,10 @@ static void ql_release_to_lrg_buf_free_list(struct ql3_adapter *qdev,
}
if (!lrg_buf_cb->skb) {
lrg_buf_cb->skb = dev_alloc_skb(qdev->lrg_buffer_len);
lrg_buf_cb->skb = netdev_alloc_skb(qdev->ndev,
qdev->lrg_buffer_len);
if (unlikely(!lrg_buf_cb->skb)) {
printk(KERN_ERR PFX "%s: failed dev_alloc_skb().\n",
printk(KERN_ERR PFX "%s: failed netdev_alloc_skb().\n",
qdev->ndev->name);
qdev->lrg_buf_skb_check++;
} else {
@ -303,6 +305,17 @@ static void ql_release_to_lrg_buf_free_list(struct ql3_adapter *qdev,
qdev->lrg_buffer_len -
QL_HEADER_SPACE,
PCI_DMA_FROMDEVICE);
err = pci_dma_mapping_error(map);
if(err) {
printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
qdev->ndev->name, err);
dev_kfree_skb(lrg_buf_cb->skb);
lrg_buf_cb->skb = NULL;
qdev->lrg_buf_skb_check++;
return;
}
lrg_buf_cb->buf_phy_addr_low =
cpu_to_le32(LS_64BITS(map));
lrg_buf_cb->buf_phy_addr_high =
@ -1387,6 +1400,8 @@ static void ql_link_state_machine(struct ql3_adapter *qdev)
printk(KERN_INFO PFX
"%s: Reset in progress, skip processing link "
"state.\n", qdev->ndev->name);
spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
return;
}
@ -1518,8 +1533,10 @@ static int ql_get_auto_cfg_status(struct ql3_adapter *qdev)
spin_lock_irqsave(&qdev->hw_lock, hw_flags);
if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
(QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
2) << 7))
2) << 7)) {
spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
return 0;
}
status = ql_is_auto_cfg(qdev);
ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
@ -1533,8 +1550,10 @@ static u32 ql_get_speed(struct ql3_adapter *qdev)
spin_lock_irqsave(&qdev->hw_lock, hw_flags);
if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
(QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
2) << 7))
2) << 7)) {
spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
return 0;
}
status = ql_get_link_speed(qdev);
ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
@ -1548,8 +1567,10 @@ static int ql_get_full_dup(struct ql3_adapter *qdev)
spin_lock_irqsave(&qdev->hw_lock, hw_flags);
if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
(QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
2) << 7))
2) << 7)) {
spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
return 0;
}
status = ql_is_link_full_dup(qdev);
ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
@ -1615,14 +1636,16 @@ static const struct ethtool_ops ql3xxx_ethtool_ops = {
static int ql_populate_free_queue(struct ql3_adapter *qdev)
{
struct ql_rcv_buf_cb *lrg_buf_cb = qdev->lrg_buf_free_head;
u64 map;
dma_addr_t map;
int err;
while (lrg_buf_cb) {
if (!lrg_buf_cb->skb) {
lrg_buf_cb->skb = dev_alloc_skb(qdev->lrg_buffer_len);
lrg_buf_cb->skb = netdev_alloc_skb(qdev->ndev,
qdev->lrg_buffer_len);
if (unlikely(!lrg_buf_cb->skb)) {
printk(KERN_DEBUG PFX
"%s: Failed dev_alloc_skb().\n",
"%s: Failed netdev_alloc_skb().\n",
qdev->ndev->name);
break;
} else {
@ -1636,6 +1659,17 @@ static int ql_populate_free_queue(struct ql3_adapter *qdev)
qdev->lrg_buffer_len -
QL_HEADER_SPACE,
PCI_DMA_FROMDEVICE);
err = pci_dma_mapping_error(map);
if(err) {
printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
qdev->ndev->name, err);
dev_kfree_skb(lrg_buf_cb->skb);
lrg_buf_cb->skb = NULL;
break;
}
lrg_buf_cb->buf_phy_addr_low =
cpu_to_le32(LS_64BITS(map));
lrg_buf_cb->buf_phy_addr_high =
@ -1690,11 +1724,11 @@ static void ql_update_lrg_bufq_prod_index(struct ql3_adapter *qdev)
qdev->lrg_buf_q_producer_index++;
if (qdev->lrg_buf_q_producer_index == NUM_LBUFQ_ENTRIES)
if (qdev->lrg_buf_q_producer_index == qdev->num_lbufq_entries)
qdev->lrg_buf_q_producer_index = 0;
if (qdev->lrg_buf_q_producer_index ==
(NUM_LBUFQ_ENTRIES - 1)) {
(qdev->num_lbufq_entries - 1)) {
lrg_buf_q_ele = qdev->lrg_buf_q_virt_addr;
}
}
@ -1713,8 +1747,31 @@ static void ql_process_mac_tx_intr(struct ql3_adapter *qdev,
{
struct ql_tx_buf_cb *tx_cb;
int i;
int retval = 0;
if(mac_rsp->flags & OB_MAC_IOCB_RSP_S) {
printk(KERN_WARNING "Frame short but, frame was padded and sent.\n");
}
tx_cb = &qdev->tx_buf[mac_rsp->transaction_id];
/* Check the transmit response flags for any errors */
if(mac_rsp->flags & OB_MAC_IOCB_RSP_S) {
printk(KERN_ERR "Frame too short to be legal, frame not sent.\n");
qdev->stats.tx_errors++;
retval = -EIO;
goto frame_not_sent;
}
if(tx_cb->seg_count == 0) {
printk(KERN_ERR "tx_cb->seg_count == 0: %d\n", mac_rsp->transaction_id);
qdev->stats.tx_errors++;
retval = -EIO;
goto invalid_seg_count;
}
pci_unmap_single(qdev->pdev,
pci_unmap_addr(&tx_cb->map[0], mapaddr),
pci_unmap_len(&tx_cb->map[0], maplen),
@ -1731,11 +1788,32 @@ static void ql_process_mac_tx_intr(struct ql3_adapter *qdev,
}
qdev->stats.tx_packets++;
qdev->stats.tx_bytes += tx_cb->skb->len;
frame_not_sent:
dev_kfree_skb_irq(tx_cb->skb);
tx_cb->skb = NULL;
invalid_seg_count:
atomic_inc(&qdev->tx_count);
}
void ql_get_sbuf(struct ql3_adapter *qdev)
{
if (++qdev->small_buf_index == NUM_SMALL_BUFFERS)
qdev->small_buf_index = 0;
qdev->small_buf_release_cnt++;
}
struct ql_rcv_buf_cb *ql_get_lbuf(struct ql3_adapter *qdev)
{
struct ql_rcv_buf_cb *lrg_buf_cb = NULL;
lrg_buf_cb = &qdev->lrg_buf[qdev->lrg_buf_index];
qdev->lrg_buf_release_cnt++;
if (++qdev->lrg_buf_index == qdev->num_large_buffers)
qdev->lrg_buf_index = 0;
return(lrg_buf_cb);
}
/*
* The difference between 3022 and 3032 for inbound completions:
* 3022 uses two buffers per completion. The first buffer contains
@ -1751,47 +1829,21 @@ static void ql_process_mac_tx_intr(struct ql3_adapter *qdev,
static void ql_process_mac_rx_intr(struct ql3_adapter *qdev,
struct ib_mac_iocb_rsp *ib_mac_rsp_ptr)
{
long int offset;
u32 lrg_buf_phy_addr_low = 0;
struct ql_rcv_buf_cb *lrg_buf_cb1 = NULL;
struct ql_rcv_buf_cb *lrg_buf_cb2 = NULL;
u32 *curr_ial_ptr;
struct sk_buff *skb;
u16 length = le16_to_cpu(ib_mac_rsp_ptr->length);
/*
* Get the inbound address list (small buffer).
*/
offset = qdev->small_buf_index * QL_SMALL_BUFFER_SIZE;
if (++qdev->small_buf_index == NUM_SMALL_BUFFERS)
qdev->small_buf_index = 0;
ql_get_sbuf(qdev);
curr_ial_ptr = (u32 *) (qdev->small_buf_virt_addr + offset);
qdev->last_rsp_offset = qdev->small_buf_phy_addr_low + offset;
qdev->small_buf_release_cnt++;
if (qdev->device_id == QL3022_DEVICE_ID) {
/* start of first buffer (3022 only) */
lrg_buf_phy_addr_low = le32_to_cpu(*curr_ial_ptr);
lrg_buf_cb1 = &qdev->lrg_buf[qdev->lrg_buf_index];
qdev->lrg_buf_release_cnt++;
if (++qdev->lrg_buf_index == NUM_LARGE_BUFFERS) {
qdev->lrg_buf_index = 0;
}
curr_ial_ptr++; /* 64-bit pointers require two incs. */
curr_ial_ptr++;
}
if (qdev->device_id == QL3022_DEVICE_ID)
lrg_buf_cb1 = ql_get_lbuf(qdev);
/* start of second buffer */
lrg_buf_phy_addr_low = le32_to_cpu(*curr_ial_ptr);
lrg_buf_cb2 = &qdev->lrg_buf[qdev->lrg_buf_index];
/*
* Second buffer gets sent up the stack.
*/
qdev->lrg_buf_release_cnt++;
if (++qdev->lrg_buf_index == NUM_LARGE_BUFFERS)
qdev->lrg_buf_index = 0;
lrg_buf_cb2 = ql_get_lbuf(qdev);
skb = lrg_buf_cb2->skb;
qdev->stats.rx_packets++;
@ -1819,11 +1871,8 @@ static void ql_process_mac_rx_intr(struct ql3_adapter *qdev,
static void ql_process_macip_rx_intr(struct ql3_adapter *qdev,
struct ib_ip_iocb_rsp *ib_ip_rsp_ptr)
{
long int offset;
u32 lrg_buf_phy_addr_low = 0;
struct ql_rcv_buf_cb *lrg_buf_cb1 = NULL;
struct ql_rcv_buf_cb *lrg_buf_cb2 = NULL;
u32 *curr_ial_ptr;
struct sk_buff *skb1 = NULL, *skb2;
struct net_device *ndev = qdev->ndev;
u16 length = le16_to_cpu(ib_ip_rsp_ptr->length);
@ -1833,35 +1882,20 @@ static void ql_process_macip_rx_intr(struct ql3_adapter *qdev,
* Get the inbound address list (small buffer).
*/
offset = qdev->small_buf_index * QL_SMALL_BUFFER_SIZE;
if (++qdev->small_buf_index == NUM_SMALL_BUFFERS)
qdev->small_buf_index = 0;
curr_ial_ptr = (u32 *) (qdev->small_buf_virt_addr + offset);
qdev->last_rsp_offset = qdev->small_buf_phy_addr_low + offset;
qdev->small_buf_release_cnt++;
ql_get_sbuf(qdev);
if (qdev->device_id == QL3022_DEVICE_ID) {
/* start of first buffer on 3022 */
lrg_buf_phy_addr_low = le32_to_cpu(*curr_ial_ptr);
lrg_buf_cb1 = &qdev->lrg_buf[qdev->lrg_buf_index];
qdev->lrg_buf_release_cnt++;
if (++qdev->lrg_buf_index == NUM_LARGE_BUFFERS)
qdev->lrg_buf_index = 0;
lrg_buf_cb1 = ql_get_lbuf(qdev);
skb1 = lrg_buf_cb1->skb;
curr_ial_ptr++; /* 64-bit pointers require two incs. */
curr_ial_ptr++;
size = ETH_HLEN;
if (*((u16 *) skb1->data) != 0xFFFF)
size += VLAN_ETH_HLEN - ETH_HLEN;
}
/* start of second buffer */
lrg_buf_phy_addr_low = le32_to_cpu(*curr_ial_ptr);
lrg_buf_cb2 = &qdev->lrg_buf[qdev->lrg_buf_index];
lrg_buf_cb2 = ql_get_lbuf(qdev);
skb2 = lrg_buf_cb2->skb;
qdev->lrg_buf_release_cnt++;
if (++qdev->lrg_buf_index == NUM_LARGE_BUFFERS)
qdev->lrg_buf_index = 0;
skb_put(skb2, length); /* Just the second buffer length here. */
pci_unmap_single(qdev->pdev,
@ -1914,10 +1948,13 @@ static int ql_tx_rx_clean(struct ql3_adapter *qdev,
struct net_rsp_iocb *net_rsp;
struct net_device *ndev = qdev->ndev;
unsigned long hw_flags;
int work_done = 0;
u32 rsp_producer_index = le32_to_cpu(*(qdev->prsp_producer_index));
/* While there are entries in the completion queue. */
while ((cpu_to_le32(*(qdev->prsp_producer_index)) !=
qdev->rsp_consumer_index) && (*rx_cleaned < work_to_do)) {
while ((rsp_producer_index !=
qdev->rsp_consumer_index) && (work_done < work_to_do)) {
net_rsp = qdev->rsp_current;
switch (net_rsp->opcode) {
@ -1968,37 +2005,34 @@ static int ql_tx_rx_clean(struct ql3_adapter *qdev,
} else {
qdev->rsp_current++;
}
work_done = *tx_cleaned + *rx_cleaned;
}
spin_lock_irqsave(&qdev->hw_lock, hw_flags);
if(work_done) {
spin_lock_irqsave(&qdev->hw_lock, hw_flags);
ql_update_lrg_bufq_prod_index(qdev);
ql_update_lrg_bufq_prod_index(qdev);
if (qdev->small_buf_release_cnt >= 16) {
while (qdev->small_buf_release_cnt >= 16) {
qdev->small_buf_q_producer_index++;
if (qdev->small_buf_release_cnt >= 16) {
while (qdev->small_buf_release_cnt >= 16) {
qdev->small_buf_q_producer_index++;
if (qdev->small_buf_q_producer_index ==
NUM_SBUFQ_ENTRIES)
qdev->small_buf_q_producer_index = 0;
qdev->small_buf_release_cnt -= 8;
}
wmb();
ql_write_common_reg(qdev,
&port_regs->CommonRegs.
rxSmallQProducerIndex,
qdev->small_buf_q_producer_index);
if (qdev->small_buf_q_producer_index ==
NUM_SBUFQ_ENTRIES)
qdev->small_buf_q_producer_index = 0;
qdev->small_buf_release_cnt -= 8;
}
ql_write_common_reg(qdev,
&port_regs->CommonRegs.
rxSmallQProducerIndex,
qdev->small_buf_q_producer_index);
}
ql_write_common_reg(qdev,
&port_regs->CommonRegs.rspQConsumerIndex,
qdev->rsp_consumer_index);
spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
if (unlikely(netif_queue_stopped(qdev->ndev))) {
if (netif_queue_stopped(qdev->ndev) &&
(atomic_read(&qdev->tx_count) > (NUM_REQ_Q_ENTRIES / 4)))
netif_wake_queue(qdev->ndev);
spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
}
return *tx_cleaned + *rx_cleaned;
@ -2009,6 +2043,8 @@ static int ql_poll(struct net_device *ndev, int *budget)
struct ql3_adapter *qdev = netdev_priv(ndev);
int work_to_do = min(*budget, ndev->quota);
int rx_cleaned = 0, tx_cleaned = 0;
unsigned long hw_flags;
struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
if (!netif_carrier_ok(ndev))
goto quit_polling;
@ -2017,9 +2053,17 @@ static int ql_poll(struct net_device *ndev, int *budget)
*budget -= rx_cleaned;
ndev->quota -= rx_cleaned;
if ((!tx_cleaned && !rx_cleaned) || !netif_running(ndev)) {
if( tx_cleaned + rx_cleaned != work_to_do ||
!netif_running(ndev)) {
quit_polling:
netif_rx_complete(ndev);
spin_lock_irqsave(&qdev->hw_lock, hw_flags);
ql_write_common_reg(qdev,
&port_regs->CommonRegs.rspQConsumerIndex,
qdev->rsp_consumer_index);
spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
ql_enable_interrupts(qdev);
return 0;
}
@ -2073,10 +2117,9 @@ static irqreturn_t ql3xxx_isr(int irq, void *dev_id)
spin_unlock(&qdev->adapter_lock);
} else if (value & ISP_IMR_DISABLE_CMPL_INT) {
ql_disable_interrupts(qdev);
if (likely(netif_rx_schedule_prep(ndev)))
if (likely(netif_rx_schedule_prep(ndev))) {
__netif_rx_schedule(ndev);
else
ql_enable_interrupts(qdev);
}
} else {
return IRQ_NONE;
}
@ -2093,8 +2136,12 @@ static irqreturn_t ql3xxx_isr(int irq, void *dev_id)
* the next AOL if more frags are coming.
* That is why the frags:segment count ratio is not linear.
*/
static int ql_get_seg_count(unsigned short frags)
static int ql_get_seg_count(struct ql3_adapter *qdev,
unsigned short frags)
{
if (qdev->device_id == QL3022_DEVICE_ID)
return 1;
switch(frags) {
case 0: return 1; /* just the skb->data seg */
case 1: return 2; /* skb->data + 1 frag */
@ -2139,17 +2186,169 @@ static void ql_hw_csum_setup(struct sk_buff *skb,
if (ip) {
if (ip->protocol == IPPROTO_TCP) {
mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_TC;
mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_TC |
OB_3032MAC_IOCB_REQ_IC;
mac_iocb_ptr->ip_hdr_off = offset;
mac_iocb_ptr->ip_hdr_len = ip->ihl;
} else if (ip->protocol == IPPROTO_UDP) {
mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_UC;
mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_UC |
OB_3032MAC_IOCB_REQ_IC;
mac_iocb_ptr->ip_hdr_off = offset;
mac_iocb_ptr->ip_hdr_len = ip->ihl;
}
}
}
/*
* Map the buffers for this transmit. This will return
* NETDEV_TX_BUSY or NETDEV_TX_OK based on success.
*/
static int ql_send_map(struct ql3_adapter *qdev,
struct ob_mac_iocb_req *mac_iocb_ptr,
struct ql_tx_buf_cb *tx_cb,
struct sk_buff *skb)
{
struct oal *oal;
struct oal_entry *oal_entry;
int len = skb->len;
dma_addr_t map;
int err;
int completed_segs, i;
int seg_cnt, seg = 0;
int frag_cnt = (int)skb_shinfo(skb)->nr_frags;
seg_cnt = tx_cb->seg_count = ql_get_seg_count(qdev,
(skb_shinfo(skb)->nr_frags));
if(seg_cnt == -1) {
printk(KERN_ERR PFX"%s: invalid segment count!\n",__func__);
return NETDEV_TX_BUSY;
}
/*
* Map the skb buffer first.
*/
map = pci_map_single(qdev->pdev, skb->data, len, PCI_DMA_TODEVICE);
err = pci_dma_mapping_error(map);
if(err) {
printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
qdev->ndev->name, err);
return NETDEV_TX_BUSY;
}
oal_entry = (struct oal_entry *)&mac_iocb_ptr->buf_addr0_low;
oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
oal_entry->len = cpu_to_le32(len);
pci_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
pci_unmap_len_set(&tx_cb->map[seg], maplen, len);
seg++;
if (seg_cnt == 1) {
/* Terminate the last segment. */
oal_entry->len =
cpu_to_le32(le32_to_cpu(oal_entry->len) | OAL_LAST_ENTRY);
} else {
oal = tx_cb->oal;
for (completed_segs=0; completed_segs<frag_cnt; completed_segs++,seg++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[completed_segs];
oal_entry++;
if ((seg == 2 && seg_cnt > 3) || /* Check for continuation */
(seg == 7 && seg_cnt > 8) || /* requirements. It's strange */
(seg == 12 && seg_cnt > 13) || /* but necessary. */
(seg == 17 && seg_cnt > 18)) {
/* Continuation entry points to outbound address list. */
map = pci_map_single(qdev->pdev, oal,
sizeof(struct oal),
PCI_DMA_TODEVICE);
err = pci_dma_mapping_error(map);
if(err) {
printk(KERN_ERR "%s: PCI mapping outbound address list with error: %d\n",
qdev->ndev->name, err);
goto map_error;
}
oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
oal_entry->len =
cpu_to_le32(sizeof(struct oal) |
OAL_CONT_ENTRY);
pci_unmap_addr_set(&tx_cb->map[seg], mapaddr,
map);
pci_unmap_len_set(&tx_cb->map[seg], maplen,
len);
oal_entry = (struct oal_entry *)oal;
oal++;
seg++;
}
map =
pci_map_page(qdev->pdev, frag->page,
frag->page_offset, frag->size,
PCI_DMA_TODEVICE);
err = pci_dma_mapping_error(map);
if(err) {
printk(KERN_ERR "%s: PCI mapping frags failed with error: %d\n",
qdev->ndev->name, err);
goto map_error;
}
oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
oal_entry->len = cpu_to_le32(frag->size);
pci_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
pci_unmap_len_set(&tx_cb->map[seg], maplen,
frag->size);
}
/* Terminate the last segment. */
oal_entry->len =
cpu_to_le32(le32_to_cpu(oal_entry->len) | OAL_LAST_ENTRY);
}
return NETDEV_TX_OK;
map_error:
/* A PCI mapping failed and now we will need to back out
* We need to traverse through the oal's and associated pages which
* have been mapped and now we must unmap them to clean up properly
*/
seg = 1;
oal_entry = (struct oal_entry *)&mac_iocb_ptr->buf_addr0_low;
oal = tx_cb->oal;
for (i=0; i<completed_segs; i++,seg++) {
oal_entry++;
if((seg == 2 && seg_cnt > 3) || /* Check for continuation */
(seg == 7 && seg_cnt > 8) || /* requirements. It's strange */
(seg == 12 && seg_cnt > 13) || /* but necessary. */
(seg == 17 && seg_cnt > 18)) {
pci_unmap_single(qdev->pdev,
pci_unmap_addr(&tx_cb->map[seg], mapaddr),
pci_unmap_len(&tx_cb->map[seg], maplen),
PCI_DMA_TODEVICE);
oal++;
seg++;
}
pci_unmap_page(qdev->pdev,
pci_unmap_addr(&tx_cb->map[seg], mapaddr),
pci_unmap_len(&tx_cb->map[seg], maplen),
PCI_DMA_TODEVICE);
}
pci_unmap_single(qdev->pdev,
pci_unmap_addr(&tx_cb->map[0], mapaddr),
pci_unmap_addr(&tx_cb->map[0], maplen),
PCI_DMA_TODEVICE);
return NETDEV_TX_BUSY;
}
/*
* The difference between 3022 and 3032 sends:
* 3022 only supports a simple single segment transmission.
@ -2167,92 +2366,35 @@ static int ql3xxx_send(struct sk_buff *skb, struct net_device *ndev)
struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
struct ql_tx_buf_cb *tx_cb;
u32 tot_len = skb->len;
struct oal *oal;
struct oal_entry *oal_entry;
int len;
struct ob_mac_iocb_req *mac_iocb_ptr;
u64 map;
int seg_cnt, seg = 0;
int frag_cnt = (int)skb_shinfo(skb)->nr_frags;
if (unlikely(atomic_read(&qdev->tx_count) < 2)) {
if (!netif_queue_stopped(ndev))
netif_stop_queue(ndev);
return NETDEV_TX_BUSY;
}
tx_cb = &qdev->tx_buf[qdev->req_producer_index] ;
seg_cnt = tx_cb->seg_count = ql_get_seg_count((skb_shinfo(skb)->nr_frags));
if(seg_cnt == -1) {
if((tx_cb->seg_count = ql_get_seg_count(qdev,
(skb_shinfo(skb)->nr_frags))) == -1) {
printk(KERN_ERR PFX"%s: invalid segment count!\n",__func__);
return NETDEV_TX_OK;
}
mac_iocb_ptr = tx_cb->queue_entry;
memset((void *)mac_iocb_ptr, 0, sizeof(struct ob_mac_iocb_req));
mac_iocb_ptr->opcode = qdev->mac_ob_opcode;
mac_iocb_ptr->flags = OB_MAC_IOCB_REQ_X;
mac_iocb_ptr->flags |= qdev->mb_bit_mask;
mac_iocb_ptr->transaction_id = qdev->req_producer_index;
mac_iocb_ptr->data_len = cpu_to_le16((u16) tot_len);
tx_cb->skb = skb;
if (skb->ip_summed == CHECKSUM_PARTIAL)
if (qdev->device_id == QL3032_DEVICE_ID &&
skb->ip_summed == CHECKSUM_PARTIAL)
ql_hw_csum_setup(skb, mac_iocb_ptr);
len = skb_headlen(skb);
map = pci_map_single(qdev->pdev, skb->data, len, PCI_DMA_TODEVICE);
oal_entry = (struct oal_entry *)&mac_iocb_ptr->buf_addr0_low;
oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
oal_entry->len = cpu_to_le32(len);
pci_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
pci_unmap_len_set(&tx_cb->map[seg], maplen, len);
seg++;
if (!skb_shinfo(skb)->nr_frags) {
/* Terminate the last segment. */
oal_entry->len =
cpu_to_le32(le32_to_cpu(oal_entry->len) | OAL_LAST_ENTRY);
} else {
int i;
oal = tx_cb->oal;
for (i=0; i<frag_cnt; i++,seg++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
oal_entry++;
if ((seg == 2 && seg_cnt > 3) || /* Check for continuation */
(seg == 7 && seg_cnt > 8) || /* requirements. It's strange */
(seg == 12 && seg_cnt > 13) || /* but necessary. */
(seg == 17 && seg_cnt > 18)) {
/* Continuation entry points to outbound address list. */
map = pci_map_single(qdev->pdev, oal,
sizeof(struct oal),
PCI_DMA_TODEVICE);
oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
oal_entry->len =
cpu_to_le32(sizeof(struct oal) |
OAL_CONT_ENTRY);
pci_unmap_addr_set(&tx_cb->map[seg], mapaddr,
map);
pci_unmap_len_set(&tx_cb->map[seg], maplen,
len);
oal_entry = (struct oal_entry *)oal;
oal++;
seg++;
}
map =
pci_map_page(qdev->pdev, frag->page,
frag->page_offset, frag->size,
PCI_DMA_TODEVICE);
oal_entry->dma_lo = cpu_to_le32(LS_64BITS(map));
oal_entry->dma_hi = cpu_to_le32(MS_64BITS(map));
oal_entry->len = cpu_to_le32(frag->size);
pci_unmap_addr_set(&tx_cb->map[seg], mapaddr, map);
pci_unmap_len_set(&tx_cb->map[seg], maplen,
frag->size);
}
/* Terminate the last segment. */
oal_entry->len =
cpu_to_le32(le32_to_cpu(oal_entry->len) | OAL_LAST_ENTRY);
if(ql_send_map(qdev,mac_iocb_ptr,tx_cb,skb) != NETDEV_TX_OK) {
printk(KERN_ERR PFX"%s: Could not map the segments!\n",__func__);
return NETDEV_TX_BUSY;
}
wmb();
qdev->req_producer_index++;
if (qdev->req_producer_index == NUM_REQ_Q_ENTRIES)
@ -2338,12 +2480,19 @@ static int ql_alloc_buffer_queues(struct ql3_adapter *qdev)
{
/* Create Large Buffer Queue */
qdev->lrg_buf_q_size =
NUM_LBUFQ_ENTRIES * sizeof(struct lrg_buf_q_entry);
qdev->num_lbufq_entries * sizeof(struct lrg_buf_q_entry);
if (qdev->lrg_buf_q_size < PAGE_SIZE)
qdev->lrg_buf_q_alloc_size = PAGE_SIZE;
else
qdev->lrg_buf_q_alloc_size = qdev->lrg_buf_q_size * 2;
qdev->lrg_buf = kmalloc(qdev->num_large_buffers * sizeof(struct ql_rcv_buf_cb),GFP_KERNEL);
if (qdev->lrg_buf == NULL) {
printk(KERN_ERR PFX
"%s: qdev->lrg_buf alloc failed.\n", qdev->ndev->name);
return -ENOMEM;
}
qdev->lrg_buf_q_alloc_virt_addr =
pci_alloc_consistent(qdev->pdev,
qdev->lrg_buf_q_alloc_size,
@ -2393,7 +2542,7 @@ static void ql_free_buffer_queues(struct ql3_adapter *qdev)
"%s: Already done.\n", qdev->ndev->name);
return;
}
if(qdev->lrg_buf) kfree(qdev->lrg_buf);
pci_free_consistent(qdev->pdev,
qdev->lrg_buf_q_alloc_size,
qdev->lrg_buf_q_alloc_virt_addr,
@ -2438,8 +2587,6 @@ static int ql_alloc_small_buffers(struct ql3_adapter *qdev)
small_buf_q_entry = qdev->small_buf_q_virt_addr;
qdev->last_rsp_offset = qdev->small_buf_phy_addr_low;
/* Initialize the small buffer queue. */
for (i = 0; i < (QL_ADDR_ELE_PER_BUFQ_ENTRY * NUM_SBUFQ_ENTRIES); i++) {
small_buf_q_entry->addr_high =
@ -2476,7 +2623,7 @@ static void ql_free_large_buffers(struct ql3_adapter *qdev)
int i = 0;
struct ql_rcv_buf_cb *lrg_buf_cb;
for (i = 0; i < NUM_LARGE_BUFFERS; i++) {
for (i = 0; i < qdev->num_large_buffers; i++) {
lrg_buf_cb = &qdev->lrg_buf[i];
if (lrg_buf_cb->skb) {
dev_kfree_skb(lrg_buf_cb->skb);
@ -2497,7 +2644,7 @@ static void ql_init_large_buffers(struct ql3_adapter *qdev)
struct ql_rcv_buf_cb *lrg_buf_cb;
struct bufq_addr_element *buf_addr_ele = qdev->lrg_buf_q_virt_addr;
for (i = 0; i < NUM_LARGE_BUFFERS; i++) {
for (i = 0; i < qdev->num_large_buffers; i++) {
lrg_buf_cb = &qdev->lrg_buf[i];
buf_addr_ele->addr_high = lrg_buf_cb->buf_phy_addr_high;
buf_addr_ele->addr_low = lrg_buf_cb->buf_phy_addr_low;
@ -2512,10 +2659,12 @@ static int ql_alloc_large_buffers(struct ql3_adapter *qdev)
int i;
struct ql_rcv_buf_cb *lrg_buf_cb;
struct sk_buff *skb;
u64 map;
dma_addr_t map;
int err;
for (i = 0; i < NUM_LARGE_BUFFERS; i++) {
skb = dev_alloc_skb(qdev->lrg_buffer_len);
for (i = 0; i < qdev->num_large_buffers; i++) {
skb = netdev_alloc_skb(qdev->ndev,
qdev->lrg_buffer_len);
if (unlikely(!skb)) {
/* Better luck next round */
printk(KERN_ERR PFX
@ -2541,6 +2690,15 @@ static int ql_alloc_large_buffers(struct ql3_adapter *qdev)
qdev->lrg_buffer_len -
QL_HEADER_SPACE,
PCI_DMA_FROMDEVICE);
err = pci_dma_mapping_error(map);
if(err) {
printk(KERN_ERR "%s: PCI mapping failed with error: %d\n",
qdev->ndev->name, err);
ql_free_large_buffers(qdev);
return -ENOMEM;
}
pci_unmap_addr_set(lrg_buf_cb, mapaddr, map);
pci_unmap_len_set(lrg_buf_cb, maplen,
qdev->lrg_buffer_len -
@ -2592,9 +2750,15 @@ static int ql_create_send_free_list(struct ql3_adapter *qdev)
static int ql_alloc_mem_resources(struct ql3_adapter *qdev)
{
if (qdev->ndev->mtu == NORMAL_MTU_SIZE)
if (qdev->ndev->mtu == NORMAL_MTU_SIZE) {
qdev->num_lbufq_entries = NUM_LBUFQ_ENTRIES;
qdev->lrg_buffer_len = NORMAL_MTU_SIZE;
}
else if (qdev->ndev->mtu == JUMBO_MTU_SIZE) {
/*
* Bigger buffers, so less of them.
*/
qdev->num_lbufq_entries = JUMBO_NUM_LBUFQ_ENTRIES;
qdev->lrg_buffer_len = JUMBO_MTU_SIZE;
} else {
printk(KERN_ERR PFX
@ -2602,6 +2766,7 @@ static int ql_alloc_mem_resources(struct ql3_adapter *qdev)
qdev->ndev->name);
return -ENOMEM;
}
qdev->num_large_buffers = qdev->num_lbufq_entries * QL_ADDR_ELE_PER_BUFQ_ENTRY;
qdev->lrg_buffer_len += VLAN_ETH_HLEN + VLAN_ID_LEN + QL_HEADER_SPACE;
qdev->max_frame_size =
(qdev->lrg_buffer_len - QL_HEADER_SPACE) + ETHERNET_CRC_SIZE;
@ -2834,7 +2999,7 @@ static int ql_adapter_initialize(struct ql3_adapter *qdev)
&hmem_regs->rxLargeQBaseAddrLow,
LS_64BITS(qdev->lrg_buf_q_phy_addr));
ql_write_page1_reg(qdev, &hmem_regs->rxLargeQLength, NUM_LBUFQ_ENTRIES);
ql_write_page1_reg(qdev, &hmem_regs->rxLargeQLength, qdev->num_lbufq_entries);
ql_write_page1_reg(qdev,
&hmem_regs->rxLargeBufferLength,
@ -2856,7 +3021,7 @@ static int ql_adapter_initialize(struct ql3_adapter *qdev)
qdev->small_buf_q_producer_index = NUM_SBUFQ_ENTRIES - 1;
qdev->small_buf_release_cnt = 8;
qdev->lrg_buf_q_producer_index = NUM_LBUFQ_ENTRIES - 1;
qdev->lrg_buf_q_producer_index = qdev->num_lbufq_entries - 1;
qdev->lrg_buf_release_cnt = 8;
qdev->lrg_buf_next_free =
(struct bufq_addr_element *)qdev->lrg_buf_q_virt_addr;
@ -3292,6 +3457,7 @@ static int ql_adapter_up(struct ql3_adapter *qdev)
err_init:
ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
err_lock:
spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
free_irq(qdev->pdev->irq, ndev);
err_irq:
if (qdev->msi && test_bit(QL_MSI_ENABLED,&qdev->flags)) {
@ -3343,27 +3509,6 @@ static struct net_device_stats *ql3xxx_get_stats(struct net_device *dev)
return &qdev->stats;
}
static int ql3xxx_change_mtu(struct net_device *ndev, int new_mtu)
{
struct ql3_adapter *qdev = netdev_priv(ndev);
printk(KERN_ERR PFX "%s: new mtu size = %d.\n", ndev->name, new_mtu);
if (new_mtu != NORMAL_MTU_SIZE && new_mtu != JUMBO_MTU_SIZE) {
printk(KERN_ERR PFX
"%s: mtu size of %d is not valid. Use exactly %d or "
"%d.\n", ndev->name, new_mtu, NORMAL_MTU_SIZE,
JUMBO_MTU_SIZE);
return -EINVAL;
}
if (!netif_running(ndev)) {
ndev->mtu = new_mtu;
return 0;
}
ndev->mtu = new_mtu;
return ql_cycle_adapter(qdev,QL_DO_RESET);
}
static void ql3xxx_set_multicast_list(struct net_device *ndev)
{
/*
@ -3609,8 +3754,12 @@ static int __devinit ql3xxx_probe(struct pci_dev *pdev,
}
ndev = alloc_etherdev(sizeof(struct ql3_adapter));
if (!ndev)
if (!ndev) {
printk(KERN_ERR PFX "%s could not alloc etherdev\n",
pci_name(pdev));
err = -ENOMEM;
goto err_out_free_regions;
}
SET_MODULE_OWNER(ndev);
SET_NETDEV_DEV(ndev, &pdev->dev);
@ -3639,6 +3788,7 @@ static int __devinit ql3xxx_probe(struct pci_dev *pdev,
if (!qdev->mem_map_registers) {
printk(KERN_ERR PFX "%s: cannot map device registers\n",
pci_name(pdev));
err = -EIO;
goto err_out_free_ndev;
}
@ -3650,7 +3800,6 @@ static int __devinit ql3xxx_probe(struct pci_dev *pdev,
ndev->hard_start_xmit = ql3xxx_send;
ndev->stop = ql3xxx_close;
ndev->get_stats = ql3xxx_get_stats;
ndev->change_mtu = ql3xxx_change_mtu;
ndev->set_multicast_list = ql3xxx_set_multicast_list;
SET_ETHTOOL_OPS(ndev, &ql3xxx_ethtool_ops);
ndev->set_mac_address = ql3xxx_set_mac_address;
@ -3667,6 +3816,7 @@ static int __devinit ql3xxx_probe(struct pci_dev *pdev,
printk(KERN_ALERT PFX
"ql3xxx_probe: Adapter #%d, Invalid NVRAM parameters.\n",
qdev->index);
err = -EIO;
goto err_out_iounmap;
}
@ -3674,9 +3824,11 @@ static int __devinit ql3xxx_probe(struct pci_dev *pdev,
/* Validate and set parameters */
if (qdev->mac_index) {
ndev->mtu = qdev->nvram_data.macCfg_port1.etherMtu_mac ;
memcpy(ndev->dev_addr, &qdev->nvram_data.funcCfg_fn2.macAddress,
ETH_ALEN);
} else {
ndev->mtu = qdev->nvram_data.macCfg_port0.etherMtu_mac ;
memcpy(ndev->dev_addr, &qdev->nvram_data.funcCfg_fn0.macAddress,
ETH_ALEN);
}

11
drivers/net/qla3xxx.h
View file

@ -1014,13 +1014,15 @@ struct eeprom_data {
/* Transmit and Receive Buffers */
#define NUM_LBUFQ_ENTRIES 128
#define JUMBO_NUM_LBUFQ_ENTRIES \
(NUM_LBUFQ_ENTRIES/(JUMBO_MTU_SIZE/NORMAL_MTU_SIZE))
#define NUM_SBUFQ_ENTRIES 64
#define QL_SMALL_BUFFER_SIZE 32
#define QL_ADDR_ELE_PER_BUFQ_ENTRY \
(sizeof(struct lrg_buf_q_entry) / sizeof(struct bufq_addr_element))
/* Each send has at least control block. This is how many we keep. */
#define NUM_SMALL_BUFFERS NUM_SBUFQ_ENTRIES * QL_ADDR_ELE_PER_BUFQ_ENTRY
#define NUM_LARGE_BUFFERS NUM_LBUFQ_ENTRIES * QL_ADDR_ELE_PER_BUFQ_ENTRY
#define QL_HEADER_SPACE 32 /* make header space at top of skb. */
/*
* Large & Small Buffers for Receives
@ -1092,7 +1094,6 @@ struct oal_entry {
u32 len;
#define OAL_LAST_ENTRY 0x80000000 /* Last valid buffer in list. */
#define OAL_CONT_ENTRY 0x40000000 /* points to an OAL. (continuation) */
u32 reserved;
};
struct oal {
@ -1193,7 +1194,7 @@ struct ql3_adapter {
struct net_rsp_iocb *rsp_current;
u16 rsp_consumer_index;
u16 reserved_06;
u32 *prsp_producer_index;
volatile u32 *prsp_producer_index;
u32 rsp_producer_index_phy_addr_high;
u32 rsp_producer_index_phy_addr_low;
@ -1207,9 +1208,11 @@ struct ql3_adapter {
u32 lrg_buf_q_producer_index;
u32 lrg_buf_release_cnt;
struct bufq_addr_element *lrg_buf_next_free;
u32 num_large_buffers;
u32 num_lbufq_entries;
/* Large (Receive) Buffers */
struct ql_rcv_buf_cb lrg_buf[NUM_LARGE_BUFFERS];
struct ql_rcv_buf_cb *lrg_buf;
struct ql_rcv_buf_cb *lrg_buf_free_head;
struct ql_rcv_buf_cb *lrg_buf_free_tail;
u32 lrg_buf_free_count;

1
drivers/net/s2io-regs.h
View file

@ -430,6 +430,7 @@ struct XENA_dev_config {
#define TX_PA_CFG_IGNORE_SNAP_OUI BIT(2)
#define TX_PA_CFG_IGNORE_LLC_CTRL BIT(3)
#define TX_PA_CFG_IGNORE_L2_ERR BIT(6)
#define RX_PA_CFG_STRIP_VLAN_TAG BIT(15)
/* Recent add, used only debug purposes. */
u64 pcc_enable;

299
drivers/net/s2io.c
View file

@ -42,6 +42,14 @@
* Possible values '1' for enable '0' for disable. Default is '0'
* lro_max_pkts: This parameter defines maximum number of packets can be
* aggregated as a single large packet
* napi: This parameter used to enable/disable NAPI (polling Rx)
* Possible values '1' for enable and '0' for disable. Default is '1'
* ufo: This parameter used to enable/disable UDP Fragmentation Offload(UFO)
* Possible values '1' for enable and '0' for disable. Default is '0'
* vlan_tag_strip: This can be used to enable or disable vlan stripping.
* Possible values '1' for enable , '0' for disable.
* Default is '2' - which means disable in promisc mode
* and enable in non-promiscuous mode.
************************************************************************/
#include <linux/module.h>
@ -76,7 +84,7 @@
#include "s2io.h"
#include "s2io-regs.h"
#define DRV_VERSION "2.0.16.1"
#define DRV_VERSION "2.0.17.1"
/* S2io Driver name & version. */
static char s2io_driver_name[] = "Neterion";
@ -131,7 +139,7 @@ static char s2io_gstrings[][ETH_GSTRING_LEN] = {
"BIST Test\t(offline)"
};
static char ethtool_stats_keys[][ETH_GSTRING_LEN] = {
static char ethtool_xena_stats_keys[][ETH_GSTRING_LEN] = {
{"tmac_frms"},
{"tmac_data_octets"},
{"tmac_drop_frms"},
@ -225,7 +233,10 @@ static char ethtool_stats_keys[][ETH_GSTRING_LEN] = {
{"rxd_rd_cnt"},
{"rxd_wr_cnt"},
{"txf_rd_cnt"},
{"rxf_wr_cnt"},
{"rxf_wr_cnt"}
};
static char ethtool_enhanced_stats_keys[][ETH_GSTRING_LEN] = {
{"rmac_ttl_1519_4095_frms"},
{"rmac_ttl_4096_8191_frms"},
{"rmac_ttl_8192_max_frms"},
@ -241,7 +252,10 @@ static char ethtool_stats_keys[][ETH_GSTRING_LEN] = {
{"rmac_red_discard"},
{"rmac_rts_discard"},
{"rmac_ingm_full_discard"},
{"link_fault_cnt"},
{"link_fault_cnt"}
};
static char ethtool_driver_stats_keys[][ETH_GSTRING_LEN] = {
{"\n DRIVER STATISTICS"},
{"single_bit_ecc_errs"},
{"double_bit_ecc_errs"},
@ -269,8 +283,16 @@ static char ethtool_stats_keys[][ETH_GSTRING_LEN] = {
("lro_avg_aggr_pkts"),
};
#define S2IO_STAT_LEN sizeof(ethtool_stats_keys)/ ETH_GSTRING_LEN
#define S2IO_STAT_STRINGS_LEN S2IO_STAT_LEN * ETH_GSTRING_LEN
#define S2IO_XENA_STAT_LEN sizeof(ethtool_xena_stats_keys)/ ETH_GSTRING_LEN
#define S2IO_ENHANCED_STAT_LEN sizeof(ethtool_enhanced_stats_keys)/ \
ETH_GSTRING_LEN
#define S2IO_DRIVER_STAT_LEN sizeof(ethtool_driver_stats_keys)/ ETH_GSTRING_LEN
#define XFRAME_I_STAT_LEN (S2IO_XENA_STAT_LEN + S2IO_DRIVER_STAT_LEN )
#define XFRAME_II_STAT_LEN (XFRAME_I_STAT_LEN + S2IO_ENHANCED_STAT_LEN )
#define XFRAME_I_STAT_STRINGS_LEN ( XFRAME_I_STAT_LEN * ETH_GSTRING_LEN )
#define XFRAME_II_STAT_STRINGS_LEN ( XFRAME_II_STAT_LEN * ETH_GSTRING_LEN )
#define S2IO_TEST_LEN sizeof(s2io_gstrings) / ETH_GSTRING_LEN
#define S2IO_STRINGS_LEN S2IO_TEST_LEN * ETH_GSTRING_LEN
@ -293,6 +315,9 @@ static void s2io_vlan_rx_register(struct net_device *dev,
spin_unlock_irqrestore(&nic->tx_lock, flags);
}
/* A flag indicating whether 'RX_PA_CFG_STRIP_VLAN_TAG' bit is set or not */
int vlan_strip_flag;
/* Unregister the vlan */
static void s2io_vlan_rx_kill_vid(struct net_device *dev, unsigned long vid)
{
@ -404,6 +429,7 @@ S2IO_PARM_INT(indicate_max_pkts, 0);
S2IO_PARM_INT(napi, 1);
S2IO_PARM_INT(ufo, 0);
S2IO_PARM_INT(vlan_tag_strip, NO_STRIP_IN_PROMISC);
static unsigned int tx_fifo_len[MAX_TX_FIFOS] =
{DEFAULT_FIFO_0_LEN, [1 ...(MAX_TX_FIFOS - 1)] = DEFAULT_FIFO_1_7_LEN};
@ -1371,6 +1397,16 @@ static int init_nic(struct s2io_nic *nic)
&bar0->rts_frm_len_n[i]);
}
}
/* Disable differentiated services steering logic */
for (i = 0; i < 64; i++) {
if (rts_ds_steer(nic, i, 0) == FAILURE) {
DBG_PRINT(ERR_DBG, "%s: failed rts ds steering",
dev->name);
DBG_PRINT(ERR_DBG, "set on codepoint %d\n", i);
return FAILURE;
}
}
/* Program statistics memory */
writeq(mac_control->stats_mem_phy, &bar0->stat_addr);
@ -1943,6 +1979,13 @@ static int start_nic(struct s2io_nic *nic)
writeq(val64, &bar0->rx_pa_cfg);
}
if (vlan_tag_strip == 0) {
val64 = readq(&bar0->rx_pa_cfg);
val64 &= ~RX_PA_CFG_STRIP_VLAN_TAG;
writeq(val64, &bar0->rx_pa_cfg);
vlan_strip_flag = 0;
}
/*
* Enabling MC-RLDRAM. After enabling the device, we timeout
* for around 100ms, which is approximately the time required
@ -3195,26 +3238,37 @@ static void alarm_intr_handler(struct s2io_nic *nic)
* SUCCESS on success and FAILURE on failure.
*/
static int wait_for_cmd_complete(void __iomem *addr, u64 busy_bit)
static int wait_for_cmd_complete(void __iomem *addr, u64 busy_bit,
int bit_state)
{
int ret = FAILURE, cnt = 0;
int ret = FAILURE, cnt = 0, delay = 1;
u64 val64;
while (TRUE) {
if ((bit_state != S2IO_BIT_RESET) && (bit_state != S2IO_BIT_SET))
return FAILURE;
do {
val64 = readq(addr);
if (!(val64 & busy_bit)) {
ret = SUCCESS;
break;
if (bit_state == S2IO_BIT_RESET) {
if (!(val64 & busy_bit)) {
ret = SUCCESS;
break;
}
} else {
if (!(val64 & busy_bit)) {
ret = SUCCESS;
break;
}
}
if(in_interrupt())
mdelay(50);
mdelay(delay);
else
msleep(50);
msleep(delay);
if (cnt++ > 10)
break;
}
if (++cnt >= 10)
delay = 50;
} while (cnt < 20);
return ret;
}
/*
@ -3340,6 +3394,9 @@ new_way:
writeq(val64, &bar0->pcc_err_reg);
}
/* restore the previously assigned mac address */
s2io_set_mac_addr(sp->dev, (u8 *)&sp->def_mac_addr[0].mac_addr);
sp->device_enabled_once = FALSE;
}
@ -4087,6 +4144,11 @@ static void s2io_txpic_intr_handle(struct s2io_nic *sp)
val64 &= ~GPIO_INT_MASK_LINK_UP;
val64 |= GPIO_INT_MASK_LINK_DOWN;
writeq(val64, &bar0->gpio_int_mask);
/* turn off LED */
val64 = readq(&bar0->adapter_control);
val64 = val64 &(~ADAPTER_LED_ON);
writeq(val64, &bar0->adapter_control);
}
}
val64 = readq(&bar0->gpio_int_mask);
@ -4296,7 +4358,8 @@ static void s2io_set_multicast(struct net_device *dev)
writeq(val64, &bar0->rmac_addr_cmd_mem);
/* Wait till command completes */
wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem,
RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING);
RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING,
S2IO_BIT_RESET);
sp->m_cast_flg = 1;
sp->all_multi_pos = MAC_MC_ALL_MC_ADDR_OFFSET;
@ -4312,7 +4375,8 @@ static void s2io_set_multicast(struct net_device *dev)
writeq(val64, &bar0->rmac_addr_cmd_mem);
/* Wait till command completes */
wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem,
RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING);
RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING,
S2IO_BIT_RESET);
sp->m_cast_flg = 0;
sp->all_multi_pos = 0;
@ -4329,6 +4393,13 @@ static void s2io_set_multicast(struct net_device *dev)
writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key);
writel((u32) (val64 >> 32), (add + 4));
if (vlan_tag_strip != 1) {
val64 = readq(&bar0->rx_pa_cfg);
val64 &= ~RX_PA_CFG_STRIP_VLAN_TAG;
writeq(val64, &bar0->rx_pa_cfg);
vlan_strip_flag = 0;
}
val64 = readq(&bar0->mac_cfg);
sp->promisc_flg = 1;
DBG_PRINT(INFO_DBG, "%s: entered promiscuous mode\n",
@ -4344,6 +4415,13 @@ static void s2io_set_multicast(struct net_device *dev)
writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key);
writel((u32) (val64 >> 32), (add + 4));
if (vlan_tag_strip != 0) {
val64 = readq(&bar0->rx_pa_cfg);
val64 |= RX_PA_CFG_STRIP_VLAN_TAG;
writeq(val64, &bar0->rx_pa_cfg);
vlan_strip_flag = 1;
}
val64 = readq(&bar0->mac_cfg);
sp->promisc_flg = 0;
DBG_PRINT(INFO_DBG, "%s: left promiscuous mode\n",
@ -4378,7 +4456,8 @@ static void s2io_set_multicast(struct net_device *dev)
/* Wait for command completes */
if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem,
RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING)) {
RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING,
S2IO_BIT_RESET)) {
DBG_PRINT(ERR_DBG, "%s: Adding ",
dev->name);
DBG_PRINT(ERR_DBG, "Multicasts failed\n");
@ -4409,7 +4488,8 @@ static void s2io_set_multicast(struct net_device *dev)
/* Wait for command completes */
if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem,
RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING)) {
RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING,
S2IO_BIT_RESET)) {
DBG_PRINT(ERR_DBG, "%s: Adding ",
dev->name);
DBG_PRINT(ERR_DBG, "Multicasts failed\n");
@ -4435,6 +4515,7 @@ static int s2io_set_mac_addr(struct net_device *dev, u8 * addr)
struct XENA_dev_config __iomem *bar0 = sp->bar0;
register u64 val64, mac_addr = 0;
int i;
u64 old_mac_addr = 0;
/*
* Set the new MAC address as the new unicast filter and reflect this
@ -4444,6 +4525,22 @@ static int s2io_set_mac_addr(struct net_device *dev, u8 * addr)
for (i = 0; i < ETH_ALEN; i++) {
mac_addr <<= 8;
mac_addr |= addr[i];
old_mac_addr <<= 8;
old_mac_addr |= sp->def_mac_addr[0].mac_addr[i];
}
if(0 == mac_addr)
return SUCCESS;
/* Update the internal structure with this new mac address */
if(mac_addr != old_mac_addr) {
memset(sp->def_mac_addr[0].mac_addr, 0, sizeof(ETH_ALEN));
sp->def_mac_addr[0].mac_addr[5] = (u8) (mac_addr);
sp->def_mac_addr[0].mac_addr[4] = (u8) (mac_addr >> 8);
sp->def_mac_addr[0].mac_addr[3] = (u8) (mac_addr >> 16);
sp->def_mac_addr[0].mac_addr[2] = (u8) (mac_addr >> 24);
sp->def_mac_addr[0].mac_addr[1] = (u8) (mac_addr >> 32);
sp->def_mac_addr[0].mac_addr[0] = (u8) (mac_addr >> 40);
}
writeq(RMAC_ADDR_DATA0_MEM_ADDR(mac_addr),
@ -4455,7 +4552,7 @@ static int s2io_set_mac_addr(struct net_device *dev, u8 * addr)
writeq(val64, &bar0->rmac_addr_cmd_mem);
/* Wait till command completes */
if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem,
RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING)) {
RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, S2IO_BIT_RESET)) {
DBG_PRINT(ERR_DBG, "%s: set_mac_addr failed\n", dev->name);
return FAILURE;
}
@ -4546,7 +4643,11 @@ static void s2io_ethtool_gdrvinfo(struct net_device *dev,
info->regdump_len = XENA_REG_SPACE;
info->eedump_len = XENA_EEPROM_SPACE;
info->testinfo_len = S2IO_TEST_LEN;
info->n_stats = S2IO_STAT_LEN;
if (sp->device_type == XFRAME_I_DEVICE)
info->n_stats = XFRAME_I_STAT_LEN;
else
info->n_stats = XFRAME_II_STAT_LEN;
}
/**
@ -5568,22 +5669,30 @@ static void s2io_get_ethtool_stats(struct net_device *dev,
tmp_stats[i++] = le32_to_cpu(stat_info->rxd_wr_cnt);
tmp_stats[i++] = le32_to_cpu(stat_info->txf_rd_cnt);
tmp_stats[i++] = le32_to_cpu(stat_info->rxf_wr_cnt);
tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_1519_4095_frms);
tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_4096_8191_frms);
tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_8192_max_frms);
tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_gt_max_frms);
tmp_stats[i++] = le64_to_cpu(stat_info->rmac_osized_alt_frms);
tmp_stats[i++] = le64_to_cpu(stat_info->rmac_jabber_alt_frms);
tmp_stats[i++] = le64_to_cpu(stat_info->rmac_gt_max_alt_frms);
tmp_stats[i++] = le64_to_cpu(stat_info->rmac_vlan_frms);
tmp_stats[i++] = le32_to_cpu(stat_info->rmac_len_discard);
tmp_stats[i++] = le32_to_cpu(stat_info->rmac_fcs_discard);
tmp_stats[i++] = le32_to_cpu(stat_info->rmac_pf_discard);
tmp_stats[i++] = le32_to_cpu(stat_info->rmac_da_discard);
tmp_stats[i++] = le32_to_cpu(stat_info->rmac_red_discard);
tmp_stats[i++] = le32_to_cpu(stat_info->rmac_rts_discard);
tmp_stats[i++] = le32_to_cpu(stat_info->rmac_ingm_full_discard);
tmp_stats[i++] = le32_to_cpu(stat_info->link_fault_cnt);
/* Enhanced statistics exist only for Hercules */
if(sp->device_type == XFRAME_II_DEVICE) {
tmp_stats[i++] =
le64_to_cpu(stat_info->rmac_ttl_1519_4095_frms);
tmp_stats[i++] =
le64_to_cpu(stat_info->rmac_ttl_4096_8191_frms);
tmp_stats[i++] =
le64_to_cpu(stat_info->rmac_ttl_8192_max_frms);
tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_gt_max_frms);
tmp_stats[i++] = le64_to_cpu(stat_info->rmac_osized_alt_frms);
tmp_stats[i++] = le64_to_cpu(stat_info->rmac_jabber_alt_frms);
tmp_stats[i++] = le64_to_cpu(stat_info->rmac_gt_max_alt_frms);
tmp_stats[i++] = le64_to_cpu(stat_info->rmac_vlan_frms);
tmp_stats[i++] = le32_to_cpu(stat_info->rmac_len_discard);
tmp_stats[i++] = le32_to_cpu(stat_info->rmac_fcs_discard);
tmp_stats[i++] = le32_to_cpu(stat_info->rmac_pf_discard);
tmp_stats[i++] = le32_to_cpu(stat_info->rmac_da_discard);
tmp_stats[i++] = le32_to_cpu(stat_info->rmac_red_discard);
tmp_stats[i++] = le32_to_cpu(stat_info->rmac_rts_discard);
tmp_stats[i++] = le32_to_cpu(stat_info->rmac_ingm_full_discard);
tmp_stats[i++] = le32_to_cpu(stat_info->link_fault_cnt);
}
tmp_stats[i++] = 0;
tmp_stats[i++] = stat_info->sw_stat.single_ecc_errs;
tmp_stats[i++] = stat_info->sw_stat.double_ecc_errs;
@ -5663,18 +5772,42 @@ static int s2io_ethtool_self_test_count(struct net_device *dev)
static void s2io_ethtool_get_strings(struct net_device *dev,
u32 stringset, u8 * data)
{
int stat_size = 0;
struct s2io_nic *sp = dev->priv;
switch (stringset) {
case ETH_SS_TEST:
memcpy(data, s2io_gstrings, S2IO_STRINGS_LEN);
break;
case ETH_SS_STATS:
memcpy(data, &ethtool_stats_keys,
sizeof(ethtool_stats_keys));
stat_size = sizeof(ethtool_xena_stats_keys);
memcpy(data, &ethtool_xena_stats_keys,stat_size);
if(sp->device_type == XFRAME_II_DEVICE) {
memcpy(data + stat_size,
&ethtool_enhanced_stats_keys,
sizeof(ethtool_enhanced_stats_keys));
stat_size += sizeof(ethtool_enhanced_stats_keys);
}
memcpy(data + stat_size, &ethtool_driver_stats_keys,
sizeof(ethtool_driver_stats_keys));
}
}
static int s2io_ethtool_get_stats_count(struct net_device *dev)
{
return (S2IO_STAT_LEN);
struct s2io_nic *sp = dev->priv;
int stat_count = 0;
switch(sp->device_type) {
case XFRAME_I_DEVICE:
stat_count = XFRAME_I_STAT_LEN;
break;
case XFRAME_II_DEVICE:
stat_count = XFRAME_II_STAT_LEN;
break;
}
return stat_count;
}
static int s2io_ethtool_op_set_tx_csum(struct net_device *dev, u32 data)
@ -5909,7 +6042,7 @@ static void s2io_set_link(struct work_struct *work)
clear_bit(0, &(nic->link_state));
out_unlock:
rtnl_lock();
rtnl_unlock();
}
static int set_rxd_buffer_pointer(struct s2io_nic *sp, struct RxD_t *rxdp,
@ -6066,10 +6199,13 @@ static int rxd_owner_bit_reset(struct s2io_nic *sp)
rx_blocks[j].rxds[k].virt_addr;
if(sp->rxd_mode >= RXD_MODE_3A)
ba = &mac_control->rings[i].ba[j][k];
set_rxd_buffer_pointer(sp, rxdp, ba,
if (set_rxd_buffer_pointer(sp, rxdp, ba,
&skb,(u64 *)&temp0_64,
(u64 *)&temp1_64,
(u64 *)&temp2_64, size);
(u64 *)&temp2_64,
size) == ENOMEM) {
return 0;
}
set_rxd_buffer_size(sp, rxdp, size);
wmb();
@ -6112,7 +6248,7 @@ static int s2io_add_isr(struct s2io_nic * sp)
}
}
if (sp->intr_type == MSI_X) {
int i;
int i, msix_tx_cnt=0,msix_rx_cnt=0;
for (i=1; (sp->s2io_entries[i].in_use == MSIX_FLG); i++) {
if (sp->s2io_entries[i].type == MSIX_FIFO_TYPE) {
@ -6121,16 +6257,36 @@ static int s2io_add_isr(struct s2io_nic * sp)
err = request_irq(sp->entries[i].vector,
s2io_msix_fifo_handle, 0, sp->desc[i],
sp->s2io_entries[i].arg);
DBG_PRINT(ERR_DBG, "%s @ 0x%llx\n", sp->desc[i],
(unsigned long long)sp->msix_info[i].addr);
/* If either data or addr is zero print it */
if(!(sp->msix_info[i].addr &&
sp->msix_info[i].data)) {
DBG_PRINT(ERR_DBG, "%s @ Addr:0x%llx"
"Data:0x%lx\n",sp->desc[i],
(unsigned long long)
sp->msix_info[i].addr,
(unsigned long)
ntohl(sp->msix_info[i].data));
} else {
msix_tx_cnt++;
}
} else {
sprintf(sp->desc[i], "%s:MSI-X-%d-RX",
dev->name, i);
err = request_irq(sp->entries[i].vector,
s2io_msix_ring_handle, 0, sp->desc[i],
sp->s2io_entries[i].arg);
DBG_PRINT(ERR_DBG, "%s @ 0x%llx\n", sp->desc[i],
(unsigned long long)sp->msix_info[i].addr);
/* If either data or addr is zero print it */
if(!(sp->msix_info[i].addr &&
sp->msix_info[i].data)) {
DBG_PRINT(ERR_DBG, "%s @ Addr:0x%llx"
"Data:0x%lx\n",sp->desc[i],
(unsigned long long)
sp->msix_info[i].addr,
(unsigned long)
ntohl(sp->msix_info[i].data));
} else {
msix_rx_cnt++;
}
}
if (err) {
DBG_PRINT(ERR_DBG,"%s:MSI-X-%d registration "
@ -6140,6 +6296,8 @@ static int s2io_add_isr(struct s2io_nic * sp)
}
sp->s2io_entries[i].in_use = MSIX_REGISTERED_SUCCESS;
}
printk("MSI-X-TX %d entries enabled\n",msix_tx_cnt);
printk("MSI-X-RX %d entries enabled\n",msix_rx_cnt);
}
if (sp->intr_type == INTA) {
err = request_irq((int) sp->pdev->irq, s2io_isr, IRQF_SHARED,
@ -6567,7 +6725,8 @@ static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp)
if (!sp->lro) {
skb->protocol = eth_type_trans(skb, dev);
if (sp->vlgrp && RXD_GET_VLAN_TAG(rxdp->Control_2)) {
if ((sp->vlgrp && RXD_GET_VLAN_TAG(rxdp->Control_2) &&
vlan_strip_flag)) {
/* Queueing the vlan frame to the upper layer */
if (napi)
vlan_hwaccel_receive_skb(skb, sp->vlgrp,
@ -6704,8 +6863,7 @@ static int s2io_verify_parm(struct pci_dev *pdev, u8 *dev_intr_type)
"Defaulting to INTA\n");
*dev_intr_type = INTA;
}
if ( (rx_ring_num > 1) && (*dev_intr_type != INTA) )
napi = 0;
if (rx_ring_mode > 3) {
DBG_PRINT(ERR_DBG, "s2io: Requested ring mode not supported\n");
DBG_PRINT(ERR_DBG, "s2io: Defaulting to 3-buffer mode\n");
@ -6714,6 +6872,37 @@ static int s2io_verify_parm(struct pci_dev *pdev, u8 *dev_intr_type)
return SUCCESS;
}
/**
* rts_ds_steer - Receive traffic steering based on IPv4 or IPv6 TOS
* or Traffic class respectively.
* @nic: device peivate variable
* Description: The function configures the receive steering to
* desired receive ring.
* Return Value: SUCCESS on success and
* '-1' on failure (endian settings incorrect).
*/
static int rts_ds_steer(struct s2io_nic *nic, u8 ds_codepoint, u8 ring)
{
struct XENA_dev_config __iomem *bar0 = nic->bar0;
register u64 val64 = 0;
if (ds_codepoint > 63)
return FAILURE;
val64 = RTS_DS_MEM_DATA(ring);
writeq(val64, &bar0->rts_ds_mem_data);
val64 = RTS_DS_MEM_CTRL_WE |
RTS_DS_MEM_CTRL_STROBE_NEW_CMD |
RTS_DS_MEM_CTRL_OFFSET(ds_codepoint);
writeq(val64, &bar0->rts_ds_mem_ctrl);
return wait_for_cmd_complete(&bar0->rts_ds_mem_ctrl,
RTS_DS_MEM_CTRL_STROBE_CMD_BEING_EXECUTED,
S2IO_BIT_RESET);
}
/**
* s2io_init_nic - Initialization of the adapter .
* @pdev : structure containing the PCI related information of the device.
@ -7008,13 +7197,11 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
RMAC_ADDR_CMD_MEM_OFFSET(0 + MAC_MAC_ADDR_START_OFFSET);
writeq(val64, &bar0->rmac_addr_cmd_mem);
wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem,
RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING);
RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, S2IO_BIT_RESET);
tmp64 = readq(&bar0->rmac_addr_data0_mem);
mac_down = (u32) tmp64;
mac_up = (u32) (tmp64 >> 32);
memset(sp->def_mac_addr[0].mac_addr, 0, sizeof(ETH_ALEN));
sp->def_mac_addr[0].mac_addr[3] = (u8) (mac_up);
sp->def_mac_addr[0].mac_addr[2] = (u8) (mac_up >> 8);
sp->def_mac_addr[0].mac_addr[1] = (u8) (mac_up >> 16);

10
drivers/net/s2io.h
View file

@ -32,7 +32,8 @@
#define FAILURE -1
#define S2IO_MINUS_ONE 0xFFFFFFFFFFFFFFFFULL
#define S2IO_MAX_PCI_CONFIG_SPACE_REINIT 100
#define S2IO_BIT_RESET 1
#define S2IO_BIT_SET 2
#define CHECKBIT(value, nbit) (value & (1 << nbit))
/* Maximum time to flicker LED when asked to identify NIC using ethtool */
@ -296,6 +297,9 @@ struct stat_block {
struct xpakStat xpak_stat;
};
/* Default value for 'vlan_strip_tag' configuration parameter */
#define NO_STRIP_IN_PROMISC 2
/*
* Structures representing different init time configuration
* parameters of the NIC.
@ -1005,7 +1009,8 @@ static int s2io_set_swapper(struct s2io_nic * sp);
static void s2io_card_down(struct s2io_nic *nic);
static int s2io_card_up(struct s2io_nic *nic);
static int get_xena_rev_id(struct pci_dev *pdev);
static int wait_for_cmd_complete(void __iomem *addr, u64 busy_bit);
static int wait_for_cmd_complete(void __iomem *addr, u64 busy_bit,
int bit_state);
static int s2io_add_isr(struct s2io_nic * sp);
static void s2io_rem_isr(struct s2io_nic * sp);
@ -1019,6 +1024,7 @@ static void queue_rx_frame(struct sk_buff *skb);
static void update_L3L4_header(struct s2io_nic *sp, struct lro *lro);
static void lro_append_pkt(struct s2io_nic *sp, struct lro *lro,
struct sk_buff *skb, u32 tcp_len);
static int rts_ds_steer(struct s2io_nic *nic, u8 ds_codepoint, u8 ring);
#define s2io_tcp_mss(skb) skb_shinfo(skb)->gso_size
#define s2io_udp_mss(skb) skb_shinfo(skb)->gso_size

11
drivers/net/sgiseeq.c
View file

@ -12,26 +12,15 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/socket.h>
#include <linux/in.h>
#include <linux/route.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/bitops.h>
#include <asm/byteorder.h>
#include <asm/io.h>
#include <asm/system.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/sgi/hpc3.h>
#include <asm/sgi/ip22.h>
#include <asm/sgialib.h>
#include "sgiseeq.h"

2
drivers/net/skfp/cfm.c
View file

@ -73,7 +73,7 @@ static const char * const cfm_events[] = {
/*
* map from state to downstream port type
*/
static const u_char cf_to_ptype[] = {
static const unsigned char cf_to_ptype[] = {
TNONE,TNONE,TNONE,TNONE,TNONE,
TNONE,TB,TB,TS,
TA,TB,TS,TB

47
drivers/net/skge.c
View file

@ -77,13 +77,13 @@ static const struct pci_device_id skge_id_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_3COM, PCI_DEVICE_ID_3COM_3C940B) },
{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_GE) },
{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_YU) },
{ PCI_DEVICE(PCI_VENDOR_ID_DLINK, PCI_DEVICE_ID_DLINK_DGE510T), },
{ PCI_DEVICE(PCI_VENDOR_ID_DLINK, PCI_DEVICE_ID_DLINK_DGE510T) },
{ PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b01) }, /* DGE-530T */
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4320) },
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x5005) }, /* Belkin */
{ PCI_DEVICE(PCI_VENDOR_ID_CNET, PCI_DEVICE_ID_CNET_GIGACARD) },
{ PCI_DEVICE(PCI_VENDOR_ID_LINKSYS, PCI_DEVICE_ID_LINKSYS_EG1064) },
{ PCI_VENDOR_ID_LINKSYS, 0x1032, PCI_ANY_ID, 0x0015, },
{ PCI_VENDOR_ID_LINKSYS, 0x1032, PCI_ANY_ID, 0x0015 },
{ 0 }
};
MODULE_DEVICE_TABLE(pci, skge_id_table);
@ -2767,6 +2767,17 @@ static int skge_change_mtu(struct net_device *dev, int new_mtu)
return err;
}
static const u8 pause_mc_addr[ETH_ALEN] = { 0x1, 0x80, 0xc2, 0x0, 0x0, 0x1 };
static void genesis_add_filter(u8 filter[8], const u8 *addr)
{
u32 crc, bit;
crc = ether_crc_le(ETH_ALEN, addr);
bit = ~crc & 0x3f;
filter[bit/8] |= 1 << (bit%8);
}
static void genesis_set_multicast(struct net_device *dev)
{
struct skge_port *skge = netdev_priv(dev);
@ -2788,24 +2799,33 @@ static void genesis_set_multicast(struct net_device *dev)
memset(filter, 0xff, sizeof(filter));
else {
memset(filter, 0, sizeof(filter));
for (i = 0; list && i < count; i++, list = list->next) {
u32 crc, bit;
crc = ether_crc_le(ETH_ALEN, list->dmi_addr);
bit = ~crc & 0x3f;
filter[bit/8] |= 1 << (bit%8);
}
if (skge->flow_status == FLOW_STAT_REM_SEND
|| skge->flow_status == FLOW_STAT_SYMMETRIC)
genesis_add_filter(filter, pause_mc_addr);
for (i = 0; list && i < count; i++, list = list->next)
genesis_add_filter(filter, list->dmi_addr);
}
xm_write32(hw, port, XM_MODE, mode);
xm_outhash(hw, port, XM_HSM, filter);
}
static void yukon_add_filter(u8 filter[8], const u8 *addr)
{
u32 bit = ether_crc(ETH_ALEN, addr) & 0x3f;
filter[bit/8] |= 1 << (bit%8);
}
static void yukon_set_multicast(struct net_device *dev)
{
struct skge_port *skge = netdev_priv(dev);
struct skge_hw *hw = skge->hw;
int port = skge->port;
struct dev_mc_list *list = dev->mc_list;
int rx_pause = (skge->flow_status == FLOW_STAT_REM_SEND
|| skge->flow_status == FLOW_STAT_SYMMETRIC);
u16 reg;
u8 filter[8];
@ -2818,16 +2838,17 @@ static void yukon_set_multicast(struct net_device *dev)
reg &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA);
else if (dev->flags & IFF_ALLMULTI) /* all multicast */
memset(filter, 0xff, sizeof(filter));
else if (dev->mc_count == 0) /* no multicast */
else if (dev->mc_count == 0 && !rx_pause)/* no multicast */
reg &= ~GM_RXCR_MCF_ENA;
else {
int i;
reg |= GM_RXCR_MCF_ENA;
for (i = 0; list && i < dev->mc_count; i++, list = list->next) {
u32 bit = ether_crc(ETH_ALEN, list->dmi_addr) & 0x3f;
filter[bit/8] |= 1 << (bit%8);
}
if (rx_pause)
yukon_add_filter(filter, pause_mc_addr);
for (i = 0; list && i < dev->mc_count; i++, list = list->next)
yukon_add_filter(filter, list->dmi_addr);
}

3
drivers/net/skge.h
View file

@ -1849,8 +1849,7 @@ enum {
GMR_FS_JABBER,
/* Rx GMAC FIFO Flush Mask (default) */
RX_FF_FL_DEF_MSK = GMR_FS_CRC_ERR | GMR_FS_RX_FF_OV |GMR_FS_MII_ERR |
GMR_FS_BAD_FC | GMR_FS_GOOD_FC | GMR_FS_UN_SIZE |
GMR_FS_JABBER,
GMR_FS_BAD_FC | GMR_FS_UN_SIZE | GMR_FS_JABBER,
};
/* RX_GMF_CTRL_T 32 bit Rx GMAC FIFO Control/Test */

554
drivers/net/spider_net.c
View file

@ -1,7 +1,8 @@
/*
* Network device driver for Cell Processor-Based Blade
* Network device driver for Cell Processor-Based Blade and Celleb platform
*
* (C) Copyright IBM Corp. 2005
* (C) Copyright 2006 TOSHIBA CORPORATION
*
* Authors : Utz Bacher <utz.bacher@de.ibm.com>
* Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
@ -165,6 +166,41 @@ spider_net_read_phy(struct net_device *netdev, int mii_id, int reg)
return readvalue;
}
/**
* spider_net_setup_aneg - initial auto-negotiation setup
* @card: device structure
**/
static void
spider_net_setup_aneg(struct spider_net_card *card)
{
struct mii_phy *phy = &card->phy;
u32 advertise = 0;
u16 bmcr, bmsr, stat1000, estat;
bmcr = spider_net_read_phy(card->netdev, phy->mii_id, MII_BMCR);
bmsr = spider_net_read_phy(card->netdev, phy->mii_id, MII_BMSR);
stat1000 = spider_net_read_phy(card->netdev, phy->mii_id, MII_STAT1000);
estat = spider_net_read_phy(card->netdev, phy->mii_id, MII_ESTATUS);
if (bmsr & BMSR_10HALF)
advertise |= ADVERTISED_10baseT_Half;
if (bmsr & BMSR_10FULL)
advertise |= ADVERTISED_10baseT_Full;
if (bmsr & BMSR_100HALF)
advertise |= ADVERTISED_100baseT_Half;
if (bmsr & BMSR_100FULL)
advertise |= ADVERTISED_100baseT_Full;
if ((bmsr & BMSR_ESTATEN) && (estat & ESTATUS_1000_TFULL))
advertise |= SUPPORTED_1000baseT_Full;
if ((bmsr & BMSR_ESTATEN) && (estat & ESTATUS_1000_THALF))
advertise |= SUPPORTED_1000baseT_Half;
mii_phy_probe(phy, phy->mii_id);
phy->def->ops->setup_aneg(phy, advertise);
}
/**
* spider_net_rx_irq_off - switch off rx irq on this spider card
* @card: device structure
@ -263,9 +299,9 @@ spider_net_get_mac_address(struct net_device *netdev)
* returns the status as in the dmac_cmd_status field of the descriptor
*/
static inline int
spider_net_get_descr_status(struct spider_net_descr *descr)
spider_net_get_descr_status(struct spider_net_hw_descr *hwdescr)
{
return descr->dmac_cmd_status & SPIDER_NET_DESCR_IND_PROC_MASK;
return hwdescr->dmac_cmd_status & SPIDER_NET_DESCR_IND_PROC_MASK;
}
/**
@ -283,12 +319,12 @@ spider_net_free_chain(struct spider_net_card *card,
descr = chain->ring;
do {
descr->bus_addr = 0;
descr->next_descr_addr = 0;
descr->hwdescr->next_descr_addr = 0;
descr = descr->next;
} while (descr != chain->ring);
dma_free_coherent(&card->pdev->dev, chain->num_desc,
chain->ring, chain->dma_addr);
chain->hwring, chain->dma_addr);
}
/**
@ -307,31 +343,34 @@ spider_net_init_chain(struct spider_net_card *card,
{
int i;
struct spider_net_descr *descr;
struct spider_net_hw_descr *hwdescr;
dma_addr_t buf;
size_t alloc_size;
alloc_size = chain->num_desc * sizeof (struct spider_net_descr);
alloc_size = chain->num_desc * sizeof(struct spider_net_hw_descr);
chain->ring = dma_alloc_coherent(&card->pdev->dev, alloc_size,
chain->hwring = dma_alloc_coherent(&card->pdev->dev, alloc_size,
&chain->dma_addr, GFP_KERNEL);
if (!chain->ring)
if (!chain->hwring)
return -ENOMEM;
descr = chain->ring;
memset(descr, 0, alloc_size);
memset(chain->ring, 0, chain->num_desc * sizeof(struct spider_net_descr));
/* Set up the hardware pointers in each descriptor */
descr = chain->ring;
hwdescr = chain->hwring;
buf = chain->dma_addr;
for (i=0; i < chain->num_desc; i++, descr++) {
descr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
for (i=0; i < chain->num_desc; i++, descr++, hwdescr++) {
hwdescr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
hwdescr->next_descr_addr = 0;
descr->hwdescr = hwdescr;
descr->bus_addr = buf;
descr->next_descr_addr = 0;
descr->next = descr + 1;
descr->prev = descr - 1;
buf += sizeof(struct spider_net_descr);
buf += sizeof(struct spider_net_hw_descr);
}
/* do actual circular list */
(descr-1)->next = chain->ring;
@ -357,10 +396,11 @@ spider_net_free_rx_chain_contents(struct spider_net_card *card)
descr = card->rx_chain.head;
do {
if (descr->skb) {
dev_kfree_skb(descr->skb);
pci_unmap_single(card->pdev, descr->buf_addr,
pci_unmap_single(card->pdev, descr->hwdescr->buf_addr,
SPIDER_NET_MAX_FRAME,
PCI_DMA_BIDIRECTIONAL);
dev_kfree_skb(descr->skb);
descr->skb = NULL;
}
descr = descr->next;
} while (descr != card->rx_chain.head);
@ -380,6 +420,7 @@ static int
spider_net_prepare_rx_descr(struct spider_net_card *card,
struct spider_net_descr *descr)
{
struct spider_net_hw_descr *hwdescr = descr->hwdescr;
dma_addr_t buf;
int offset;
int bufsize;
@ -398,11 +439,11 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
card->spider_stats.alloc_rx_skb_error++;
return -ENOMEM;
}
descr->buf_size = bufsize;
descr->result_size = 0;
descr->valid_size = 0;
descr->data_status = 0;
descr->data_error = 0;
hwdescr->buf_size = bufsize;
hwdescr->result_size = 0;
hwdescr->valid_size = 0;
hwdescr->data_status = 0;
hwdescr->data_error = 0;
offset = ((unsigned long)descr->skb->data) &
(SPIDER_NET_RXBUF_ALIGN - 1);
@ -411,21 +452,22 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
/* iommu-map the skb */
buf = pci_map_single(card->pdev, descr->skb->data,
SPIDER_NET_MAX_FRAME, PCI_DMA_FROMDEVICE);
descr->buf_addr = buf;
if (pci_dma_mapping_error(buf)) {
dev_kfree_skb_any(descr->skb);
descr->skb = NULL;
if (netif_msg_rx_err(card) && net_ratelimit())
pr_err("Could not iommu-map rx buffer\n");
card->spider_stats.rx_iommu_map_error++;
descr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
hwdescr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
} else {
descr->next_descr_addr = 0;
hwdescr->buf_addr = buf;
hwdescr->next_descr_addr = 0;
wmb();
descr->dmac_cmd_status = SPIDER_NET_DESCR_CARDOWNED |
hwdescr->dmac_cmd_status = SPIDER_NET_DESCR_CARDOWNED |
SPIDER_NET_DMAC_NOINTR_COMPLETE;
wmb();
descr->prev->next_descr_addr = descr->bus_addr;
descr->prev->hwdescr->next_descr_addr = descr->bus_addr;
}
return 0;
@ -481,7 +523,7 @@ spider_net_refill_rx_chain(struct spider_net_card *card)
if (!spin_trylock_irqsave(&chain->lock, flags))
return;
while (spider_net_get_descr_status(chain->head) ==
while (spider_net_get_descr_status(chain->head->hwdescr) ==
SPIDER_NET_DESCR_NOT_IN_USE) {
if (spider_net_prepare_rx_descr(card, chain->head))
break;
@ -642,7 +684,9 @@ static int
spider_net_prepare_tx_descr(struct spider_net_card *card,
struct sk_buff *skb)
{
struct spider_net_descr_chain *chain = &card->tx_chain;
struct spider_net_descr *descr;
struct spider_net_hw_descr *hwdescr;
dma_addr_t buf;
unsigned long flags;
@ -655,32 +699,39 @@ spider_net_prepare_tx_descr(struct spider_net_card *card,
return -ENOMEM;
}
spin_lock_irqsave(&card->tx_chain.lock, flags);
spin_lock_irqsave(&chain->lock, flags);
descr = card->tx_chain.head;
card->tx_chain.head = descr->next;
if (descr->next == chain->tail->prev) {
spin_unlock_irqrestore(&chain->lock, flags);
pci_unmap_single(card->pdev, buf, skb->len, PCI_DMA_TODEVICE);
return -ENOMEM;
}
hwdescr = descr->hwdescr;
chain->head = descr->next;
descr->buf_addr = buf;
descr->buf_size = skb->len;
descr->next_descr_addr = 0;
descr->skb = skb;
descr->data_status = 0;
hwdescr->buf_addr = buf;
hwdescr->buf_size = skb->len;
hwdescr->next_descr_addr = 0;
hwdescr->data_status = 0;
descr->dmac_cmd_status =
hwdescr->dmac_cmd_status =
SPIDER_NET_DESCR_CARDOWNED | SPIDER_NET_DMAC_NOCS;
spin_unlock_irqrestore(&card->tx_chain.lock, flags);
spin_unlock_irqrestore(&chain->lock, flags);
if (skb->protocol == htons(ETH_P_IP))
switch (skb->nh.iph->protocol) {
case IPPROTO_TCP:
descr->dmac_cmd_status |= SPIDER_NET_DMAC_TCP;
hwdescr->dmac_cmd_status |= SPIDER_NET_DMAC_TCP;
break;
case IPPROTO_UDP:
descr->dmac_cmd_status |= SPIDER_NET_DMAC_UDP;
hwdescr->dmac_cmd_status |= SPIDER_NET_DMAC_UDP;
break;
}
/* Chain the bus address, so that the DMA engine finds this descr. */
descr->prev->next_descr_addr = descr->bus_addr;
wmb();
descr->prev->hwdescr->next_descr_addr = descr->bus_addr;
card->netdev->trans_start = jiffies; /* set netdev watchdog timer */
return 0;
@ -689,16 +740,17 @@ spider_net_prepare_tx_descr(struct spider_net_card *card,
static int
spider_net_set_low_watermark(struct spider_net_card *card)
{
struct spider_net_descr *descr = card->tx_chain.tail;
struct spider_net_hw_descr *hwdescr;
unsigned long flags;
int status;
int cnt=0;
int i;
struct spider_net_descr *descr = card->tx_chain.tail;
/* Measure the length of the queue. Measurement does not
* need to be precise -- does not need a lock. */
while (descr != card->tx_chain.head) {
status = descr->dmac_cmd_status & SPIDER_NET_DESCR_NOT_IN_USE;
status = descr->hwdescr->dmac_cmd_status & SPIDER_NET_DESCR_NOT_IN_USE;
if (status == SPIDER_NET_DESCR_NOT_IN_USE)
break;
descr = descr->next;
@ -717,10 +769,12 @@ spider_net_set_low_watermark(struct spider_net_card *card)
/* Set the new watermark, clear the old watermark */
spin_lock_irqsave(&card->tx_chain.lock, flags);
descr->dmac_cmd_status |= SPIDER_NET_DESCR_TXDESFLG;
if (card->low_watermark && card->low_watermark != descr)
card->low_watermark->dmac_cmd_status =
card->low_watermark->dmac_cmd_status & ~SPIDER_NET_DESCR_TXDESFLG;
descr->hwdescr->dmac_cmd_status |= SPIDER_NET_DESCR_TXDESFLG;
if (card->low_watermark && card->low_watermark != descr) {
hwdescr = card->low_watermark->hwdescr;
hwdescr->dmac_cmd_status =
hwdescr->dmac_cmd_status & ~SPIDER_NET_DESCR_TXDESFLG;
}
card->low_watermark = descr;
spin_unlock_irqrestore(&card->tx_chain.lock, flags);
return cnt;
@ -743,16 +797,22 @@ spider_net_release_tx_chain(struct spider_net_card *card, int brutal)
{
struct spider_net_descr_chain *chain = &card->tx_chain;
struct spider_net_descr *descr;
struct spider_net_hw_descr *hwdescr;
struct sk_buff *skb;
u32 buf_addr;
unsigned long flags;
int status;
while (chain->tail != chain->head) {
while (1) {
spin_lock_irqsave(&chain->lock, flags);
if (chain->tail == chain->head) {
spin_unlock_irqrestore(&chain->lock, flags);
return 0;
}
descr = chain->tail;
hwdescr = descr->hwdescr;
status = spider_net_get_descr_status(descr);
status = spider_net_get_descr_status(hwdescr);
switch (status) {
case SPIDER_NET_DESCR_COMPLETE:
card->netdev_stats.tx_packets++;
@ -788,9 +848,10 @@ spider_net_release_tx_chain(struct spider_net_card *card, int brutal)
}
chain->tail = descr->next;
descr->dmac_cmd_status |= SPIDER_NET_DESCR_NOT_IN_USE;
hwdescr->dmac_cmd_status |= SPIDER_NET_DESCR_NOT_IN_USE;
skb = descr->skb;
buf_addr = descr->buf_addr;
descr->skb = NULL;
buf_addr = hwdescr->buf_addr;
spin_unlock_irqrestore(&chain->lock, flags);
/* unmap the skb */
@ -826,7 +887,7 @@ spider_net_kick_tx_dma(struct spider_net_card *card)
descr = card->tx_chain.tail;
for (;;) {
if (spider_net_get_descr_status(descr) ==
if (spider_net_get_descr_status(descr->hwdescr) ==
SPIDER_NET_DESCR_CARDOWNED) {
spider_net_write_reg(card, SPIDER_NET_GDTDCHA,
descr->bus_addr);
@ -855,13 +916,10 @@ spider_net_xmit(struct sk_buff *skb, struct net_device *netdev)
{
int cnt;
struct spider_net_card *card = netdev_priv(netdev);
struct spider_net_descr_chain *chain = &card->tx_chain;
spider_net_release_tx_chain(card, 0);
if ((chain->head->next == chain->tail->prev) ||
(spider_net_prepare_tx_descr(card, skb) != 0)) {
if (spider_net_prepare_tx_descr(card, skb) != 0) {
card->netdev_stats.tx_dropped++;
netif_stop_queue(netdev);
return NETDEV_TX_BUSY;
@ -922,17 +980,18 @@ static void
spider_net_pass_skb_up(struct spider_net_descr *descr,
struct spider_net_card *card)
{
struct spider_net_hw_descr *hwdescr= descr->hwdescr;
struct sk_buff *skb;
struct net_device *netdev;
u32 data_status, data_error;
data_status = descr->data_status;
data_error = descr->data_error;
data_status = hwdescr->data_status;
data_error = hwdescr->data_error;
netdev = card->netdev;
skb = descr->skb;
skb->dev = netdev;
skb_put(skb, descr->valid_size);
skb_put(skb, hwdescr->valid_size);
/* the card seems to add 2 bytes of junk in front
* of the ethernet frame */
@ -994,23 +1053,25 @@ static void show_rx_chain(struct spider_net_card *card)
#endif
/**
* spider_net_decode_one_descr - processes an rx descriptor
* spider_net_decode_one_descr - processes an RX descriptor
* @card: card structure
*
* Returns 1 if a packet has been sent to the stack, otherwise 0
* Returns 1 if a packet has been sent to the stack, otherwise 0.
*
* Processes an rx descriptor by iommu-unmapping the data buffer and passing
* the packet up to the stack. This function is called in softirq
* context, e.g. either bottom half from interrupt or NAPI polling context
* Processes an RX descriptor by iommu-unmapping the data buffer
* and passing the packet up to the stack. This function is called
* in softirq context, e.g. either bottom half from interrupt or
* NAPI polling context.
*/
static int
spider_net_decode_one_descr(struct spider_net_card *card)
{
struct spider_net_descr_chain *chain = &card->rx_chain;
struct spider_net_descr *descr = chain->tail;
struct spider_net_hw_descr *hwdescr = descr->hwdescr;
int status;
status = spider_net_get_descr_status(descr);
status = spider_net_get_descr_status(hwdescr);
/* Nothing in the descriptor, or ring must be empty */
if ((status == SPIDER_NET_DESCR_CARDOWNED) ||
@ -1021,7 +1082,7 @@ spider_net_decode_one_descr(struct spider_net_card *card)
chain->tail = descr->next;
/* unmap descriptor */
pci_unmap_single(card->pdev, descr->buf_addr,
pci_unmap_single(card->pdev, hwdescr->buf_addr,
SPIDER_NET_MAX_FRAME, PCI_DMA_FROMDEVICE);
if ( (status == SPIDER_NET_DESCR_RESPONSE_ERROR) ||
@ -1037,34 +1098,33 @@ spider_net_decode_one_descr(struct spider_net_card *card)
if ( (status != SPIDER_NET_DESCR_COMPLETE) &&
(status != SPIDER_NET_DESCR_FRAME_END) ) {
if (netif_msg_rx_err(card))
pr_err("%s: RX descriptor with unkown state %d\n",
pr_err("%s: RX descriptor with unknown state %d\n",
card->netdev->name, status);
card->spider_stats.rx_desc_unk_state++;
goto bad_desc;
}
/* The cases we'll throw away the packet immediately */
if (descr->data_error & SPIDER_NET_DESTROY_RX_FLAGS) {
if (hwdescr->data_error & SPIDER_NET_DESTROY_RX_FLAGS) {
if (netif_msg_rx_err(card))
pr_err("%s: error in received descriptor found, "
"data_status=x%08x, data_error=x%08x\n",
card->netdev->name,
descr->data_status, descr->data_error);
hwdescr->data_status, hwdescr->data_error);
goto bad_desc;
}
if (descr->dmac_cmd_status & 0xfefe) {
if (hwdescr->dmac_cmd_status & 0xfefe) {
pr_err("%s: bad status, cmd_status=x%08x\n",
card->netdev->name,
descr->dmac_cmd_status);
pr_err("buf_addr=x%08x\n", descr->buf_addr);
pr_err("buf_size=x%08x\n", descr->buf_size);
pr_err("next_descr_addr=x%08x\n", descr->next_descr_addr);
pr_err("result_size=x%08x\n", descr->result_size);
pr_err("valid_size=x%08x\n", descr->valid_size);
pr_err("data_status=x%08x\n", descr->data_status);
pr_err("data_error=x%08x\n", descr->data_error);
pr_err("bus_addr=x%08x\n", descr->bus_addr);
hwdescr->dmac_cmd_status);
pr_err("buf_addr=x%08x\n", hwdescr->buf_addr);
pr_err("buf_size=x%08x\n", hwdescr->buf_size);
pr_err("next_descr_addr=x%08x\n", hwdescr->next_descr_addr);
pr_err("result_size=x%08x\n", hwdescr->result_size);
pr_err("valid_size=x%08x\n", hwdescr->valid_size);
pr_err("data_status=x%08x\n", hwdescr->data_status);
pr_err("data_error=x%08x\n", hwdescr->data_error);
pr_err("which=%ld\n", descr - card->rx_chain.ring);
card->spider_stats.rx_desc_error++;
@ -1073,12 +1133,13 @@ spider_net_decode_one_descr(struct spider_net_card *card)
/* Ok, we've got a packet in descr */
spider_net_pass_skb_up(descr, card);
descr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
hwdescr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
return 1;
bad_desc:
dev_kfree_skb_irq(descr->skb);
descr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
descr->skb = NULL;
hwdescr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE;
return 0;
}
@ -1247,6 +1308,33 @@ spider_net_set_mac(struct net_device *netdev, void *p)
return 0;
}
/**
* spider_net_link_reset
* @netdev: net device structure
*
* This is called when the PHY_LINK signal is asserted. For the blade this is
* not connected so we should never get here.
*
*/
static void
spider_net_link_reset(struct net_device *netdev)
{
struct spider_net_card *card = netdev_priv(netdev);
del_timer_sync(&card->aneg_timer);
/* clear interrupt, block further interrupts */
spider_net_write_reg(card, SPIDER_NET_GMACST,
spider_net_read_reg(card, SPIDER_NET_GMACST));
spider_net_write_reg(card, SPIDER_NET_GMACINTEN, 0);
/* reset phy and setup aneg */
spider_net_setup_aneg(card);
mod_timer(&card->aneg_timer, jiffies + SPIDER_NET_ANEG_TIMER);
}
/**
* spider_net_handle_error_irq - handles errors raised by an interrupt
* @card: card structure
@ -1359,8 +1447,8 @@ spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg)
switch (i)
{
case SPIDER_NET_GTMFLLINT:
if (netif_msg_intr(card) && net_ratelimit())
pr_err("Spider TX RAM full\n");
/* TX RAM full may happen on a usual case.
* Logging is not needed. */
show_error = 0;
break;
case SPIDER_NET_GRFDFLLINT: /* fallthrough */
@ -1500,6 +1588,9 @@ spider_net_interrupt(int irq, void *ptr)
if (status_reg & SPIDER_NET_TXINT)
netif_rx_schedule(netdev);
if (status_reg & SPIDER_NET_LINKINT)
spider_net_link_reset(netdev);
if (status_reg & SPIDER_NET_ERRINT )
spider_net_handle_error_irq(card, status_reg);
@ -1540,6 +1631,11 @@ spider_net_init_card(struct spider_net_card *card)
spider_net_write_reg(card, SPIDER_NET_CKRCTRL,
SPIDER_NET_CKRCTRL_RUN_VALUE);
/* trigger ETOMOD signal */
spider_net_write_reg(card, SPIDER_NET_GMACOPEMD,
spider_net_read_reg(card, SPIDER_NET_GMACOPEMD) | 0x4);
}
/**
@ -1624,8 +1720,6 @@ spider_net_enable_card(struct spider_net_card *card)
spider_net_write_reg(card, SPIDER_NET_GMACLENLMT,
SPIDER_NET_LENLMT_VALUE);
spider_net_write_reg(card, SPIDER_NET_GMACMODE,
SPIDER_NET_MACMODE_VALUE);
spider_net_write_reg(card, SPIDER_NET_GMACOPEMD,
SPIDER_NET_OPMODE_VALUE);
@ -1641,98 +1735,6 @@ spider_net_enable_card(struct spider_net_card *card)
SPIDER_NET_GDTBSTA);
}
/**
* spider_net_open - called upon ifonfig up
* @netdev: interface device structure
*
* returns 0 on success, <0 on failure
*
* spider_net_open allocates all the descriptors and memory needed for
* operation, sets up multicast list and enables interrupts
*/
int
spider_net_open(struct net_device *netdev)
{
struct spider_net_card *card = netdev_priv(netdev);
int result;
result = spider_net_init_chain(card, &card->tx_chain);
if (result)
goto alloc_tx_failed;
card->low_watermark = NULL;
result = spider_net_init_chain(card, &card->rx_chain);
if (result)
goto alloc_rx_failed;
/* Allocate rx skbs */
if (spider_net_alloc_rx_skbs(card))
goto alloc_skbs_failed;
spider_net_set_multi(netdev);
/* further enhancement: setup hw vlan, if needed */
result = -EBUSY;
if (request_irq(netdev->irq, spider_net_interrupt,
IRQF_SHARED, netdev->name, netdev))
goto register_int_failed;
spider_net_enable_card(card);
netif_start_queue(netdev);
netif_carrier_on(netdev);
netif_poll_enable(netdev);
return 0;
register_int_failed:
spider_net_free_rx_chain_contents(card);
alloc_skbs_failed:
spider_net_free_chain(card, &card->rx_chain);
alloc_rx_failed:
spider_net_free_chain(card, &card->tx_chain);
alloc_tx_failed:
return result;
}
/**
* spider_net_setup_phy - setup PHY
* @card: card structure
*
* returns 0 on success, <0 on failure
*
* spider_net_setup_phy is used as part of spider_net_probe. Sets
* the PHY to 1000 Mbps
**/
static int
spider_net_setup_phy(struct spider_net_card *card)
{
struct mii_phy *phy = &card->phy;
spider_net_write_reg(card, SPIDER_NET_GDTDMASEL,
SPIDER_NET_DMASEL_VALUE);
spider_net_write_reg(card, SPIDER_NET_GPCCTRL,
SPIDER_NET_PHY_CTRL_VALUE);
phy->mii_id = 1;
phy->dev = card->netdev;
phy->mdio_read = spider_net_read_phy;
phy->mdio_write = spider_net_write_phy;
mii_phy_probe(phy, phy->mii_id);
if (phy->def->ops->setup_forced)
phy->def->ops->setup_forced(phy, SPEED_1000, DUPLEX_FULL);
phy->def->ops->enable_fiber(phy);
phy->def->ops->read_link(phy);
pr_info("Found %s with %i Mbps, %s-duplex.\n", phy->def->name,
phy->speed, phy->duplex==1 ? "Full" : "Half");
return 0;
}
/**
* spider_net_download_firmware - loads firmware into the adapter
* @card: card structure
@ -1851,6 +1853,179 @@ out_err:
return err;
}
/**
* spider_net_open - called upon ifonfig up
* @netdev: interface device structure
*
* returns 0 on success, <0 on failure
*
* spider_net_open allocates all the descriptors and memory needed for
* operation, sets up multicast list and enables interrupts
*/
int
spider_net_open(struct net_device *netdev)
{
struct spider_net_card *card = netdev_priv(netdev);
int result;
result = spider_net_init_firmware(card);
if (result)
goto init_firmware_failed;
/* start probing with copper */
spider_net_setup_aneg(card);
if (card->phy.def->phy_id)
mod_timer(&card->aneg_timer, jiffies + SPIDER_NET_ANEG_TIMER);
result = spider_net_init_chain(card, &card->tx_chain);
if (result)
goto alloc_tx_failed;
card->low_watermark = NULL;
result = spider_net_init_chain(card, &card->rx_chain);
if (result)
goto alloc_rx_failed;
/* Allocate rx skbs */
if (spider_net_alloc_rx_skbs(card))
goto alloc_skbs_failed;
spider_net_set_multi(netdev);
/* further enhancement: setup hw vlan, if needed */
result = -EBUSY;
if (request_irq(netdev->irq, spider_net_interrupt,
IRQF_SHARED, netdev->name, netdev))
goto register_int_failed;
spider_net_enable_card(card);
netif_start_queue(netdev);
netif_carrier_on(netdev);
netif_poll_enable(netdev);
return 0;
register_int_failed:
spider_net_free_rx_chain_contents(card);
alloc_skbs_failed:
spider_net_free_chain(card, &card->rx_chain);
alloc_rx_failed:
spider_net_free_chain(card, &card->tx_chain);
alloc_tx_failed:
del_timer_sync(&card->aneg_timer);
init_firmware_failed:
return result;
}
/**
* spider_net_link_phy
* @data: used for pointer to card structure
*
*/
static void spider_net_link_phy(unsigned long data)
{
struct spider_net_card *card = (struct spider_net_card *)data;
struct mii_phy *phy = &card->phy;
/* if link didn't come up after SPIDER_NET_ANEG_TIMEOUT tries, setup phy again */
if (card->aneg_count > SPIDER_NET_ANEG_TIMEOUT) {
pr_info("%s: link is down trying to bring it up\n", card->netdev->name);
switch (card->medium) {
case BCM54XX_COPPER:
/* enable fiber with autonegotiation first */
if (phy->def->ops->enable_fiber)
phy->def->ops->enable_fiber(phy, 1);
card->medium = BCM54XX_FIBER;
break;
case BCM54XX_FIBER:
/* fiber didn't come up, try to disable fiber autoneg */
if (phy->def->ops->enable_fiber)
phy->def->ops->enable_fiber(phy, 0);
card->medium = BCM54XX_UNKNOWN;
break;
case BCM54XX_UNKNOWN:
/* copper, fiber with and without failed,
* retry from beginning */
spider_net_setup_aneg(card);
card->medium = BCM54XX_COPPER;
break;
}
card->aneg_count = 0;
mod_timer(&card->aneg_timer, jiffies + SPIDER_NET_ANEG_TIMER);
return;
}
/* link still not up, try again later */
if (!(phy->def->ops->poll_link(phy))) {
card->aneg_count++;
mod_timer(&card->aneg_timer, jiffies + SPIDER_NET_ANEG_TIMER);
return;
}
/* link came up, get abilities */
phy->def->ops->read_link(phy);
spider_net_write_reg(card, SPIDER_NET_GMACST,
spider_net_read_reg(card, SPIDER_NET_GMACST));
spider_net_write_reg(card, SPIDER_NET_GMACINTEN, 0x4);
if (phy->speed == 1000)
spider_net_write_reg(card, SPIDER_NET_GMACMODE, 0x00000001);
else
spider_net_write_reg(card, SPIDER_NET_GMACMODE, 0);
card->aneg_count = 0;
pr_debug("Found %s with %i Mbps, %s-duplex %sautoneg.\n",
phy->def->name, phy->speed, phy->duplex==1 ? "Full" : "Half",
phy->autoneg==1 ? "" : "no ");
return;
}
/**
* spider_net_setup_phy - setup PHY
* @card: card structure
*
* returns 0 on success, <0 on failure
*
* spider_net_setup_phy is used as part of spider_net_probe.
**/
static int
spider_net_setup_phy(struct spider_net_card *card)
{
struct mii_phy *phy = &card->phy;
spider_net_write_reg(card, SPIDER_NET_GDTDMASEL,
SPIDER_NET_DMASEL_VALUE);
spider_net_write_reg(card, SPIDER_NET_GPCCTRL,
SPIDER_NET_PHY_CTRL_VALUE);
phy->dev = card->netdev;
phy->mdio_read = spider_net_read_phy;
phy->mdio_write = spider_net_write_phy;
for (phy->mii_id = 1; phy->mii_id <= 31; phy->mii_id++) {
unsigned short id;
id = spider_net_read_phy(card->netdev, phy->mii_id, MII_BMSR);
if (id != 0x0000 && id != 0xffff) {
if (!mii_phy_probe(phy, phy->mii_id)) {
pr_info("Found %s.\n", phy->def->name);
break;
}
}
}
return 0;
}
/**
* spider_net_workaround_rxramfull - work around firmware bug
* @card: card structure
@ -1900,14 +2075,15 @@ spider_net_stop(struct net_device *netdev)
netif_carrier_off(netdev);
netif_stop_queue(netdev);
del_timer_sync(&card->tx_timer);
del_timer_sync(&card->aneg_timer);
/* disable/mask all interrupts */
spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, 0);
spider_net_write_reg(card, SPIDER_NET_GHIINT1MSK, 0);
spider_net_write_reg(card, SPIDER_NET_GHIINT2MSK, 0);
spider_net_write_reg(card, SPIDER_NET_GMACINTEN, 0);
/* free_irq(netdev->irq, netdev);*/
free_irq(to_pci_dev(netdev->dev.parent)->irq, netdev);
free_irq(netdev->irq, netdev);
spider_net_write_reg(card, SPIDER_NET_GDTDMACCNTR,
SPIDER_NET_DMA_TX_FEND_VALUE);
@ -1919,8 +2095,6 @@ spider_net_stop(struct net_device *netdev)
spider_net_release_tx_chain(card, 1);
spider_net_free_rx_chain_contents(card);
spider_net_free_rx_chain_contents(card);
spider_net_free_chain(card, &card->tx_chain);
spider_net_free_chain(card, &card->rx_chain);
@ -1952,8 +2126,6 @@ spider_net_tx_timeout_task(struct work_struct *work)
if (spider_net_setup_phy(card))
goto out;
if (spider_net_init_firmware(card))
goto out;
spider_net_open(netdev);
spider_net_kick_tx_dma(card);
@ -2046,10 +2218,12 @@ spider_net_setup_netdev(struct spider_net_card *card)
card->tx_timer.data = (unsigned long) card;
netdev->irq = card->pdev->irq;
card->options.rx_csum = SPIDER_NET_RX_CSUM_DEFAULT;
card->aneg_count = 0;
init_timer(&card->aneg_timer);
card->aneg_timer.function = spider_net_link_phy;
card->aneg_timer.data = (unsigned long) card;
card->tx_chain.num_desc = tx_descriptors;
card->rx_chain.num_desc = rx_descriptors;
card->options.rx_csum = SPIDER_NET_RX_CSUM_DEFAULT;
spider_net_setup_netdev_ops(netdev);
@ -2098,8 +2272,11 @@ spider_net_alloc_card(void)
{
struct net_device *netdev;
struct spider_net_card *card;
size_t alloc_size;
netdev = alloc_etherdev(sizeof(struct spider_net_card));
alloc_size = sizeof(struct spider_net_card) +
(tx_descriptors + rx_descriptors) * sizeof(struct spider_net_descr);
netdev = alloc_etherdev(alloc_size);
if (!netdev)
return NULL;
@ -2110,6 +2287,11 @@ spider_net_alloc_card(void)
init_waitqueue_head(&card->waitq);
atomic_set(&card->tx_timeout_task_counter, 0);
card->rx_chain.num_desc = rx_descriptors;
card->rx_chain.ring = card->darray;
card->tx_chain.num_desc = tx_descriptors;
card->tx_chain.ring = card->darray + rx_descriptors;
return card;
}
@ -2220,10 +2402,6 @@ spider_net_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err)
goto out_undo_pci;
err = spider_net_init_firmware(card);
if (err)
goto out_undo_pci;
err = spider_net_setup_netdev(card);
if (err)
goto out_undo_pci;

34
drivers/net/spider_net.h
View file

@ -1,7 +1,8 @@
/*
* Network device driver for Cell Processor-Based Blade
* Network device driver for Cell Processor-Based Blade and Celleb platform
*
* (C) Copyright IBM Corp. 2005
* (C) Copyright 2006 TOSHIBA CORPORATION
*
* Authors : Utz Bacher <utz.bacher@de.ibm.com>
* Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
@ -24,7 +25,7 @@
#ifndef _SPIDER_NET_H
#define _SPIDER_NET_H
#define VERSION "1.6 B"
#define VERSION "2.0 A"
#include "sungem_phy.h"
@ -50,6 +51,8 @@ extern char spider_net_driver_name[];
#define SPIDER_NET_TX_DESCRIPTORS_MAX 512
#define SPIDER_NET_TX_TIMER (HZ/5)
#define SPIDER_NET_ANEG_TIMER (HZ)
#define SPIDER_NET_ANEG_TIMEOUT 2
#define SPIDER_NET_RX_CSUM_DEFAULT 1
@ -104,6 +107,7 @@ extern char spider_net_driver_name[];
#define SPIDER_NET_GMACOPEMD 0x00000100
#define SPIDER_NET_GMACLENLMT 0x00000108
#define SPIDER_NET_GMACST 0x00000110
#define SPIDER_NET_GMACINTEN 0x00000118
#define SPIDER_NET_GMACPHYCTRL 0x00000120
@ -181,7 +185,8 @@ extern char spider_net_driver_name[];
/* pause frames: automatic, no upper retransmission count */
/* outside loopback mode: ETOMOD signal dont matter, not connected */
#define SPIDER_NET_OPMODE_VALUE 0x00000063
/* ETOMOD signal is brought to PHY reset. bit 2 must be 1 in Celleb */
#define SPIDER_NET_OPMODE_VALUE 0x00000067
/*#define SPIDER_NET_OPMODE_VALUE 0x001b0062*/
#define SPIDER_NET_LENLMT_VALUE 0x00000908
@ -333,9 +338,12 @@ enum spider_net_int2_status {
/* We rely on flagged descriptor interrupts */
#define SPIDER_NET_RXINT ( (1 << SPIDER_NET_GDAFDCINT) )
#define SPIDER_NET_LINKINT ( 1 << SPIDER_NET_GMAC2INT )
#define SPIDER_NET_ERRINT ( 0xffffffff & \
(~SPIDER_NET_TXINT) & \
(~SPIDER_NET_RXINT) )
(~SPIDER_NET_RXINT) & \
(~SPIDER_NET_LINKINT) )
#define SPIDER_NET_GPREXEC 0x80000000
#define SPIDER_NET_GPRDAT_MASK 0x0000ffff
@ -356,8 +364,8 @@ enum spider_net_int2_status {
#define SPIDER_NET_DESCR_NOT_IN_USE 0xF0000000
#define SPIDER_NET_DESCR_TXDESFLG 0x00800000
struct spider_net_descr {
/* as defined by the hardware */
/* Descriptor, as defined by the hardware */
struct spider_net_hw_descr {
u32 buf_addr;
u32 buf_size;
u32 next_descr_addr;
@ -366,13 +374,15 @@ struct spider_net_descr {
u32 valid_size; /* all zeroes for tx */
u32 data_status;
u32 data_error; /* all zeroes for tx */
} __attribute__((aligned(32)));
/* used in the driver */
struct spider_net_descr {
struct spider_net_hw_descr *hwdescr;
struct sk_buff *skb;
u32 bus_addr;
struct spider_net_descr *next;
struct spider_net_descr *prev;
} __attribute__((aligned(32)));
};
struct spider_net_descr_chain {
spinlock_t lock;
@ -380,6 +390,7 @@ struct spider_net_descr_chain {
struct spider_net_descr *tail;
struct spider_net_descr *ring;
int num_desc;
struct spider_net_hw_descr *hwring;
dma_addr_t dma_addr;
};
@ -436,12 +447,16 @@ struct spider_net_card {
struct pci_dev *pdev;
struct mii_phy phy;
int medium;
void __iomem *regs;
struct spider_net_descr_chain tx_chain;
struct spider_net_descr_chain rx_chain;
struct spider_net_descr *low_watermark;
int aneg_count;
struct timer_list aneg_timer;
struct timer_list tx_timer;
struct work_struct tx_timeout_task;
atomic_t tx_timeout_task_counter;
@ -452,6 +467,9 @@ struct spider_net_card {
struct net_device_stats netdev_stats;
struct spider_net_extra_stats spider_stats;
struct spider_net_options options;
/* Must be last item in struct */
struct spider_net_descr darray[0];
};
#define pr_err(fmt,arg...) \

2
drivers/net/sun3_82586.c
View file

@ -28,8 +28,6 @@ static int automatic_resume = 0; /* experimental .. better should be zero */
static int rfdadd = 0; /* rfdadd=1 may be better for 8K MEM cards */
static int fifo=0x8; /* don't change */
/* #define REALLY_SLOW_IO */
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/string.h>

389
drivers/net/sungem_phy.c
View file

@ -310,6 +310,107 @@ static int bcm5411_init(struct mii_phy* phy)
return 0;
}
static int genmii_setup_aneg(struct mii_phy *phy, u32 advertise)
{
u16 ctl, adv;
phy->autoneg = 1;
phy->speed = SPEED_10;
phy->duplex = DUPLEX_HALF;
phy->pause = 0;
phy->advertising = advertise;
/* Setup standard advertise */
adv = phy_read(phy, MII_ADVERTISE);
adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4);
if (advertise & ADVERTISED_10baseT_Half)
adv |= ADVERTISE_10HALF;
if (advertise & ADVERTISED_10baseT_Full)
adv |= ADVERTISE_10FULL;
if (advertise & ADVERTISED_100baseT_Half)
adv |= ADVERTISE_100HALF;
if (advertise & ADVERTISED_100baseT_Full)
adv |= ADVERTISE_100FULL;
phy_write(phy, MII_ADVERTISE, adv);
/* Start/Restart aneg */
ctl = phy_read(phy, MII_BMCR);
ctl |= (BMCR_ANENABLE | BMCR_ANRESTART);
phy_write(phy, MII_BMCR, ctl);
return 0;
}
static int genmii_setup_forced(struct mii_phy *phy, int speed, int fd)
{
u16 ctl;
phy->autoneg = 0;
phy->speed = speed;
phy->duplex = fd;
phy->pause = 0;
ctl = phy_read(phy, MII_BMCR);
ctl &= ~(BMCR_FULLDPLX|BMCR_SPEED100|BMCR_ANENABLE);
/* First reset the PHY */
phy_write(phy, MII_BMCR, ctl | BMCR_RESET);
/* Select speed & duplex */
switch(speed) {
case SPEED_10:
break;
case SPEED_100:
ctl |= BMCR_SPEED100;
break;
case SPEED_1000:
default:
return -EINVAL;
}
if (fd == DUPLEX_FULL)
ctl |= BMCR_FULLDPLX;
phy_write(phy, MII_BMCR, ctl);
return 0;
}
static int genmii_poll_link(struct mii_phy *phy)
{
u16 status;
(void)phy_read(phy, MII_BMSR);
status = phy_read(phy, MII_BMSR);
if ((status & BMSR_LSTATUS) == 0)
return 0;
if (phy->autoneg && !(status & BMSR_ANEGCOMPLETE))
return 0;
return 1;
}
static int genmii_read_link(struct mii_phy *phy)
{
u16 lpa;
if (phy->autoneg) {
lpa = phy_read(phy, MII_LPA);
if (lpa & (LPA_10FULL | LPA_100FULL))
phy->duplex = DUPLEX_FULL;
else
phy->duplex = DUPLEX_HALF;
if (lpa & (LPA_100FULL | LPA_100HALF))
phy->speed = SPEED_100;
else
phy->speed = SPEED_10;
phy->pause = 0;
}
/* On non-aneg, we assume what we put in BMCR is the speed,
* though magic-aneg shouldn't prevent this case from occurring
*/
return 0;
}
static int generic_suspend(struct mii_phy* phy)
{
phy_write(phy, MII_BMCR, BMCR_PDOWN);
@ -364,30 +465,6 @@ static int bcm5421_init(struct mii_phy* phy)
return 0;
}
static int bcm5421_enable_fiber(struct mii_phy* phy)
{
/* enable fiber mode */
phy_write(phy, MII_NCONFIG, 0x9020);
/* LEDs active in both modes, autosense prio = fiber */
phy_write(phy, MII_NCONFIG, 0x945f);
/* switch off fibre autoneg */
phy_write(phy, MII_NCONFIG, 0xfc01);
phy_write(phy, 0x0b, 0x0004);
return 0;
}
static int bcm5461_enable_fiber(struct mii_phy* phy)
{
phy_write(phy, MII_NCONFIG, 0xfc0c);
phy_write(phy, MII_BMCR, 0x4140);
phy_write(phy, MII_NCONFIG, 0xfc0b);
phy_write(phy, MII_BMCR, 0x0140);
return 0;
}
static int bcm54xx_setup_aneg(struct mii_phy *phy, u32 advertise)
{
u16 ctl, adv;
@ -515,6 +592,155 @@ static int marvell88e1111_init(struct mii_phy* phy)
return 0;
}
#define BCM5421_MODE_MASK (1 << 5)
static int bcm5421_poll_link(struct mii_phy* phy)
{
u32 phy_reg;
int mode;
/* find out in what mode we are */
phy_write(phy, MII_NCONFIG, 0x1000);
phy_reg = phy_read(phy, MII_NCONFIG);
mode = (phy_reg & BCM5421_MODE_MASK) >> 5;
if ( mode == BCM54XX_COPPER)
return genmii_poll_link(phy);
/* try to find out wether we have a link */
phy_write(phy, MII_NCONFIG, 0x2000);
phy_reg = phy_read(phy, MII_NCONFIG);
if (phy_reg & 0x0020)
return 0;
else
return 1;
}
static int bcm5421_read_link(struct mii_phy* phy)
{
u32 phy_reg;
int mode;
/* find out in what mode we are */
phy_write(phy, MII_NCONFIG, 0x1000);
phy_reg = phy_read(phy, MII_NCONFIG);
mode = (phy_reg & BCM5421_MODE_MASK ) >> 5;
if ( mode == BCM54XX_COPPER)
return bcm54xx_read_link(phy);
phy->speed = SPEED_1000;
/* find out wether we are running half- or full duplex */
phy_write(phy, MII_NCONFIG, 0x2000);
phy_reg = phy_read(phy, MII_NCONFIG);
if ( (phy_reg & 0x0080) >> 7)
phy->duplex |= DUPLEX_HALF;
else
phy->duplex |= DUPLEX_FULL;
return 0;
}
static int bcm5421_enable_fiber(struct mii_phy* phy, int autoneg)
{
/* enable fiber mode */
phy_write(phy, MII_NCONFIG, 0x9020);
/* LEDs active in both modes, autosense prio = fiber */
phy_write(phy, MII_NCONFIG, 0x945f);
if (!autoneg) {
/* switch off fibre autoneg */
phy_write(phy, MII_NCONFIG, 0xfc01);
phy_write(phy, 0x0b, 0x0004);
}
phy->autoneg = autoneg;
return 0;
}
#define BCM5461_FIBER_LINK (1 << 2)
#define BCM5461_MODE_MASK (3 << 1)
static int bcm5461_poll_link(struct mii_phy* phy)
{
u32 phy_reg;
int mode;
/* find out in what mode we are */
phy_write(phy, MII_NCONFIG, 0x7c00);
phy_reg = phy_read(phy, MII_NCONFIG);
mode = (phy_reg & BCM5461_MODE_MASK ) >> 1;
if ( mode == BCM54XX_COPPER)
return genmii_poll_link(phy);
/* find out wether we have a link */
phy_write(phy, MII_NCONFIG, 0x7000);
phy_reg = phy_read(phy, MII_NCONFIG);
if (phy_reg & BCM5461_FIBER_LINK)
return 1;
else
return 0;
}
#define BCM5461_FIBER_DUPLEX (1 << 3)
static int bcm5461_read_link(struct mii_phy* phy)
{
u32 phy_reg;
int mode;
/* find out in what mode we are */
phy_write(phy, MII_NCONFIG, 0x7c00);
phy_reg = phy_read(phy, MII_NCONFIG);
mode = (phy_reg & BCM5461_MODE_MASK ) >> 1;
if ( mode == BCM54XX_COPPER) {
return bcm54xx_read_link(phy);
}
phy->speed = SPEED_1000;
/* find out wether we are running half- or full duplex */
phy_write(phy, MII_NCONFIG, 0x7000);
phy_reg = phy_read(phy, MII_NCONFIG);
if (phy_reg & BCM5461_FIBER_DUPLEX)
phy->duplex |= DUPLEX_FULL;
else
phy->duplex |= DUPLEX_HALF;
return 0;
}
static int bcm5461_enable_fiber(struct mii_phy* phy, int autoneg)
{
/* select fiber mode, enable 1000 base-X registers */
phy_write(phy, MII_NCONFIG, 0xfc0b);
if (autoneg) {
/* enable fiber with no autonegotiation */
phy_write(phy, MII_ADVERTISE, 0x01e0);
phy_write(phy, MII_BMCR, 0x1140);
} else {
/* enable fiber with autonegotiation */
phy_write(phy, MII_BMCR, 0x0140);
}
phy->autoneg = autoneg;
return 0;
}
static int marvell_setup_aneg(struct mii_phy *phy, u32 advertise)
{
u16 ctl, adv;
@ -645,113 +871,6 @@ static int marvell_read_link(struct mii_phy *phy)
return 0;
}
static int genmii_setup_aneg(struct mii_phy *phy, u32 advertise)
{
u16 ctl, adv;
phy->autoneg = 1;
phy->speed = SPEED_10;
phy->duplex = DUPLEX_HALF;
phy->pause = 0;
phy->advertising = advertise;
/* Setup standard advertise */
adv = phy_read(phy, MII_ADVERTISE);
adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4);
if (advertise & ADVERTISED_10baseT_Half)
adv |= ADVERTISE_10HALF;
if (advertise & ADVERTISED_10baseT_Full)
adv |= ADVERTISE_10FULL;
if (advertise & ADVERTISED_100baseT_Half)
adv |= ADVERTISE_100HALF;
if (advertise & ADVERTISED_100baseT_Full)
adv |= ADVERTISE_100FULL;
if (advertise & ADVERTISED_Pause)
adv |= ADVERTISE_PAUSE_CAP;
if (advertise & ADVERTISED_Asym_Pause)
adv |= ADVERTISE_PAUSE_ASYM;
phy_write(phy, MII_ADVERTISE, adv);
/* Start/Restart aneg */
ctl = phy_read(phy, MII_BMCR);
ctl |= (BMCR_ANENABLE | BMCR_ANRESTART);
phy_write(phy, MII_BMCR, ctl);
return 0;
}
static int genmii_setup_forced(struct mii_phy *phy, int speed, int fd)
{
u16 ctl;
phy->autoneg = 0;
phy->speed = speed;
phy->duplex = fd;
phy->pause = 0;
ctl = phy_read(phy, MII_BMCR);
ctl &= ~(BMCR_FULLDPLX|BMCR_SPEED100|BMCR_ANENABLE);
/* First reset the PHY */
phy_write(phy, MII_BMCR, ctl | BMCR_RESET);
/* Select speed & duplex */
switch(speed) {
case SPEED_10:
break;
case SPEED_100:
ctl |= BMCR_SPEED100;
break;
case SPEED_1000:
default:
return -EINVAL;
}
if (fd == DUPLEX_FULL)
ctl |= BMCR_FULLDPLX;
phy_write(phy, MII_BMCR, ctl);
return 0;
}
static int genmii_poll_link(struct mii_phy *phy)
{
u16 status;
(void)phy_read(phy, MII_BMSR);
status = phy_read(phy, MII_BMSR);
if ((status & BMSR_LSTATUS) == 0)
return 0;
if (phy->autoneg && !(status & BMSR_ANEGCOMPLETE))
return 0;
return 1;
}
static int genmii_read_link(struct mii_phy *phy)
{
u16 lpa;
if (phy->autoneg) {
lpa = phy_read(phy, MII_LPA);
if (lpa & (LPA_10FULL | LPA_100FULL))
phy->duplex = DUPLEX_FULL;
else
phy->duplex = DUPLEX_HALF;
if (lpa & (LPA_100FULL | LPA_100HALF))
phy->speed = SPEED_100;
else
phy->speed = SPEED_10;
phy->pause = (phy->duplex == DUPLEX_FULL) &&
((lpa & LPA_PAUSE) != 0);
}
/* On non-aneg, we assume what we put in BMCR is the speed,
* though magic-aneg shouldn't prevent this case from occurring
*/
return 0;
}
#define MII_BASIC_FEATURES \
(SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | \
SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | \
@ -885,8 +1004,8 @@ static struct mii_phy_ops bcm5421_phy_ops = {
.suspend = generic_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
.read_link = bcm54xx_read_link,
.poll_link = bcm5421_poll_link,
.read_link = bcm5421_read_link,
.enable_fiber = bcm5421_enable_fiber,
};
@ -923,8 +1042,8 @@ static struct mii_phy_ops bcm5461_phy_ops = {
.suspend = generic_suspend,
.setup_aneg = bcm54xx_setup_aneg,
.setup_forced = bcm54xx_setup_forced,
.poll_link = genmii_poll_link,
.read_link = bcm54xx_read_link,
.poll_link = bcm5461_poll_link,
.read_link = bcm5461_read_link,
.enable_fiber = bcm5461_enable_fiber,
};

10
drivers/net/sungem_phy.h
View file

@ -12,7 +12,7 @@ struct mii_phy_ops
int (*setup_forced)(struct mii_phy *phy, int speed, int fd);
int (*poll_link)(struct mii_phy *phy);
int (*read_link)(struct mii_phy *phy);
int (*enable_fiber)(struct mii_phy *phy);
int (*enable_fiber)(struct mii_phy *phy, int autoneg);
};
/* Structure used to statically define an mii/gii based PHY */
@ -26,6 +26,14 @@ struct mii_phy_def
const struct mii_phy_ops* ops;
};
enum {
BCM54XX_COPPER,
BCM54XX_FIBER,
BCM54XX_GBIC,
BCM54XX_SGMII,
BCM54XX_UNKNOWN,
};
/* An instance of a PHY, partially borrowed from mii_if_info */
struct mii_phy
{

10
drivers/net/tc35815.c
View file

@ -657,7 +657,7 @@ tc35815_init_queues(struct net_device *dev)
dma_cache_wback_inv((unsigned long)lp->fd_buf, PAGE_SIZE * FD_PAGE_NUM);
#endif
} else {
clear_page(lp->fd_buf);
memset(lp->fd_buf, 0, PAGE_SIZE * FD_PAGE_NUM);
#ifdef __mips__
dma_cache_wback_inv((unsigned long)lp->fd_buf, PAGE_SIZE * FD_PAGE_NUM);
#endif
@ -1732,6 +1732,11 @@ static void __exit tc35815_cleanup_module(void)
{
struct net_device *next_dev;
/*
* TODO: implement a tc35815_driver.remove hook, and
* move this code into that function. Then, delete
* all root_tc35815_dev list handling code.
*/
while (root_tc35815_dev) {
struct net_device *dev = root_tc35815_dev;
next_dev = ((struct tc35815_local *)dev->priv)->next_module;
@ -1740,6 +1745,9 @@ static void __exit tc35815_cleanup_module(void)
free_netdev(dev);
root_tc35815_dev = next_dev;
}
pci_unregister_driver(&tc35815_driver);
}
module_init(tc35815_init_module);
module_exit(tc35815_cleanup_module);

4
drivers/net/ucc_geth.c
View file

@ -4199,9 +4199,7 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma
ugeth->ug_info = ug_info;
ugeth->dev = dev;
mac_addr = get_property(np, "mac-address", NULL);
if (mac_addr == NULL)
mac_addr = get_property(np, "local-mac-address", NULL);
mac_addr = of_get_mac_address(np);
if (mac_addr)
memcpy(dev->dev_addr, mac_addr, 6);

1
drivers/net/wan/cosa.c
View file

@ -94,7 +94,6 @@
#include <linux/device.h>
#undef COSA_SLOW_IO /* for testing purposes only */
#undef REALLY_SLOW_IO
#include <asm/io.h>
#include <asm/dma.h>

1
drivers/net/wireless/wl3501_cs.c
View file

@ -26,7 +26,6 @@
* Tested with Planet AP in 2.5.73-bk, 216 Kbytes/s in Infrastructure mode
* with a SMP machine (dual pentium 100), using pktgen, 432 pps (pkt_size = 60)
*/
#undef REALLY_SLOW_IO /* most systems can safely undef this */
#include <linux/delay.h>
#include <linux/types.h>