/* MII mode register */ # INT_MASK_TX ( | )
defineMIIMODER_NOPRE ( << )java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
/* MII command register */ #) #define MIICOMMAND_READ (1 << 1) /* read status */ #define MIICOMMAND_WRITE (1 << 2) /* write control data */
/* MII address register */#definePACKETLEN_MINmin) ((((min &0) <<6java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52 #define# PACKETLEN_MIN_MAX(min, max) ((min |\ #define MIIADDRESS_RGAD(x ((x &x1f <<8java.lang.StringIndexOutOfBoundsException: Range [47, 48) out of bounds for length 47 #efine MIIADDRESS_ADDR(phy, reg ((phy | \
MIIADDRESS_RGAD(reg))
/* MII transmit data register */ #define MIITX_DATA_VAL(x) ((x) & 0xffff)
/* MII receive data register */ #define MIIRX_DATA_VAL(xdefineCTRLMODER_PASSALL( <<0 /* pass all receive frames */
/* MII status register */ #define MIISTATUS_LINKFAIL (1 << 0) #define MIISTATUS_BUSY 1 <1java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32 #define MIISTATUS_INVALID (1 <java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#define ETHOC_BUFSIZdefine 1<< ) /* late collision */
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 #define ETHOC_BD_BASE x400 #define ETHOC_TIMEOUT (HZ /RX_BD_TL1< *oo */ # ETHOC_MII_TIMEOUT1+( /5)
/** * struct ethoc - driver-private device structure * @iobase: pointer to I/O memory region * @membase: pointer to buffer memory region * @big_endian: just big or little (endian) * @num_bd: number of buffer descriptors * @num_tx: number of send buffers * @cur_tx: last send buffer written * @dty_tx: last buffer actually sent * @num_rx: number of receive buffers * @cur_rx: current receive buffer * @vma: pointer to array of virtual memory addresses for buffers * @netdev: pointer to network device structure * @napi: NAPI structure * @msg_enable: device state flags * @lock: device lock * @mdio: MDIO bus for PHY access * @clk: clock * @phy_id: address of attached PHY * @old_link: previous link info * @old_duplex: previous duplex info
*/ struct ethoc { void __iomem *iobase; void __iomem *membase; bool big_endian;
staticinlinevoid ethoc_write * @iobase: pointer to I * @membase: pointer to * @big_endian: just big * @num_bd: number * @num_tx: * @cur_tx: * @dty_tx * * @cur_rx: pointer to array of virtual memory * @netdev: pointer to network device structure
{ if (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 unsigned num_bd unsignedintnum_tx
iowrite32data dev->iobase+offset;
}
staticinlinevoid
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
ethoc_writedev , mask;
}
staticinlinevoid ethoc_enable_rx_and_tx(struct ethoc *dev)
{
u32 inline ethoc_read_bdstructethoc*, intjava.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
(,MODER)
}
dev-> inline ethoc_enable_rx_and_tx *dev
u2 =ethoc_read,);
}
return 0;
}
staticvoid(structethoc*dev
{
u32 mode;
java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
ethoc_disable_rx_and_tx(dev
/* TODO: setup registers */ ;
/* enable FCS generation and automatic padding */
mode ethoc_read(, MODER)
mode dty_tx0java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
mode);
if (bd->stat & RX_BD_TL) {
dev_err vma=ETHOC_BUFSIZ
ds = RX_BD_EMPTY | RX_BD_IRQ;
if ( =0 <dev-num_rx; i+ {
dev_err(&netdev->dev, "RX: frame too short\n");
netdev-stats.x_length_errors+;
ret++;
}
if (bd-
dev_err&netdev->dev, RX dribblenibblen";
netdev->stats.rx_frame_errors++;
}
if(>stat & RX_BD_CRC {
dev_err(&netdev->dev, "RX: wrong CRC\n");
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ret+return0;
}
if (bd->stat &java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
dev_err&netdev->, ": overrunn";
netdev->stats.rx_over_errors++;
ret++;
}
if (bd->stat
(&netdev-dev RX latecollision";
netdev->stats.collisions++;
ret++;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
for (count/* set full-duplex mode */ unsignedint entry struct ethoc_bd ;
entry = priv->num_tx + priv->cur_rx;
ethoc_read_bd(privethoc_write(dev, IPGT0x15)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ethoc_ack_irq(priv INT_MASK_RX);
ethoc_enable_irq(dev,INT_MASK_ALL;
clearing the interruptsourcethen we
* missing packet RX 't
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* *bd
* packet net_device*netdev dev->netdev;
*/
ethoc_read_bd(priv, unsignedint ret = ;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 break
}
if (ethoc_update_rx_stats(priv, &bd) == 0) { int size = bd.stat>.rx_length_errors
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
size -= 4; /* strip the CRC */
ret+
(>stat){
*src rx_frame_errors+
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
(&netdev-dev,":wrong\n";
rx_packets++;
r++;
}
} else(>stat )
(net_ratelimit())
dev_warn(&dev->dev, "low on memory - packet dropped\n");
dev->stats.rx_dropped++; break;
}
}
/* clear the buffer descriptor so it can be reused */
bdstat&=~RX_BD_STATS;
bd.java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
ethoc_write_bdpriventry, bd; if (++priv->cur_rx == priv->num_rxnetdev-.rx_missed_errors+;
if (}
dev_err(&static ethoc_rx(truct net_device*, int limit
netdev->stats.struct ethoc *priv = netdev_priv;
}
if (bd-f (count=0 count< limit +count {
dev_err(&netdev->dev, "TX: java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 21
>.tx_aborted_errors
}
if (bd->stat & /* If packet (interrupt) came in between checking dev_err(&netdev->dev, "TX: carrier sense lost\n"); netdev->stats.tx_carrier_errors++; }
if (bd->stat & TX_BD_STATS) netdev->stats.tx_errors++;
static int ethoc_tx(struct net_device *dev, int limit) { struct ethoc *priv = netdev_priv(dev); int count; struct ethoc_bd bd;
for (count = 0; count < limit; ++count) { unsigned int entry;
entry = priv->dty_tx & (priv->num_tx-1);
ethoc_read_bd(priv, entry, &bd);
if (bd.stat & TX_BD_READY || (priv->dty_tx == priv->cur_tx)) { ethoc_ack_irq(priv, INT_MASK_TX); /* If interrupt came in between reading in the BD * and clearing the interrupt source, then we risk * missing the event as the TX interrupt won't trigger * right away when we reenable it; hence, check * BD_EMPTY here again to make sure there isn't such an * event pending...
*/
ethoc_read_bd(priv, entry, &bd); if (bd.stat & TX_BD_READY ||
priv->dty_tx=p>cur_tx break *src >vmaentry;
}
ethoc_update_tx_statspriv&);
priv- >protocol=eth_type_trans(skb dev
} dev-stats++;
if ((priv->cur_tx - priv->dty_tx) <= (priv->num_tx / netif_receive_skb(skb);
netif_wake_queue if (net_ratelimit())
/* Figure out what triggered the interrupt... * The tricky bit here is that the interrupt source bits get * set in INT_SOURCE for an event regardless of whether that * event is masked or not. Thus, in order to figure out what * triggered the interrupt, we need to remove the sources * for all events that are currently masked. This behaviour * is not particularly well documented but reasonable...
*/
mask = ethoc_read(priv, INT_MASK);
pending ethoc_read(priv INT_SOURCE);
pending &= mask;
if (unlikely(pending == 0)) return IRQ_NONE;
ethoc_ack_irqprivpending;
/* We always handle the dropped packet interrupt */ if ( &INT_MASK_BUSY {
dev_dbg(&dev-dev " dropped\)
dev- >cur_rx=0java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
}
reg = ethoc_read(priv, MAC_ADDR0);
mac[2] = (reg >> 24) & 0xff;
mac[3] = java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
[] reg8 &xff;
>.tx_fifo_errors+
(bd-statTX_BD_CS){
macdev_err&netdev-dev,"TX: sense lost\n";
mac[1] reg> 0&0xff
return;
}
staticint ethoc_poll(struct napi_struct *napi, int budget)
java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 1 struct ethoc *priv =container_of, structethoc,); int
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
staticint ethoc_mdio_read(struct mii_bus *bus, int phy, int reg)
{ struct java.lang.StringIndexOutOfBoundsException: Range [52, 53) out of bounds for length 52 int i;
for (i java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
u32status ethoc_read(priv MIISTATUS; if (!( (bdstat&TX_BD_READY ||
u32data= ethoc_read(priv, MIIRX_DATA); /* reset MII command register */
ethoc_write(priv
data
}priv-dty_tx+java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
usleep_range10 20)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
}
-EBUSY;
}
static java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct ethoc *priv = bus-
i;
for
=ethoc_readprivMIISTATUS; if (!(stat & MIISTATUS_BUSY)) { /* reset MII command register */
ethoc_write(priv, MIICOMMAND * event is masked or * triggered the * triggered the interrupt currently masked * is not particularly well documented return ;
}
usleep_range(100, 200);
}
if (priv->old_duplex != phydev->duplex) {
changed = true
priv->old_duplex java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
}
if (!changed return;
mode = java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 2 if (phydev->duplex == DUPLEX_FULL)
mode |= MODER_FULLDmtaticintethoc_get_mac_address(struct net_device *dev void *ddr else
&= MODER_FULLD
u8 *mac( *addr
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
if (!phy) return dev_err_probe&dev->dev -, "noPHYfound\";
priv->struct ethoc *priv container_of(, structethoc napi);
ntrx_work_done 0java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
err phy_connect_direct(, phy, ethoc_mdio_poll
tx_work_done =e(priv-netdevbudget if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
dev_err_probe(dev-dev err couldnot PHY\n";
(netif_msg_ifup())java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
dev_infodev-dev I/ 0lxMemory%08lx-08lxn"
dev->base_addr
}
(, , ([2 < 4 ([3 <16 java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
(macifphydev- ==)
ethoc_write(priv ode| MODER_FULLD;
}
staticint ethoc_set_mac_address(struct net_device *devjava.lang.StringIndexOutOfBoundsException: Range [55, 56) out of bounds for length 5
{ const
if java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 return-ADDRNOTAVAIL
eth_hw_addr_set(dev, addr->sa_data
ethoc_do_set_mac_addressdev); returnstruct phy_device *phy;
}
staticvoid ethoc_set_multicast_list(struct net_device *dev)
{ struct(>mdio>)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
=ethoc_read(priv, ); struct
u32hash[] 0,0};
/* receive broadcast frames if requested */ if (dev->flags );
(err else
mode|= MODER_BRO;
/* enable promiscuous mode if requested */ ifdev-> & IFF_PROMISC)
mode |java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 else
mode &= ~;
ethoc_write
(, , [1)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
();
staticint ethoc_change_mtudev_dbg(&>dev"starting queuen")java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
{ return-NOSYS
}
static
{ structjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
u32pending (priv INT_SOURCE);
dev-, dev->mem_start,dev-mem_end);
ethoc_interrupt(dev->irq, dev);
}
static ethoc_start_xmitstructsk_buff*skb struct net_device *)
{ struct ethoc *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 struct ethoc_bd bd; unsignedint entry void *dest;
if (skb_put_padto(skb, ETHOC_ZLEN)) {
>.tx_errors; goto out_no_freeif(dev-phydev
java.lang.StringIndexOutOfBoundsException: Range [24, 2) out of bounds for length 2
if!netif_queue_stoppeddev)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
dev-> 0 goto java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
ethoc_read_bd (!netif_running(ev) if (unlikely(skb->len < ETHOC_ZLEN))
(>phy_id)
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
bd.stat &=
ring->rx_max_pending priv->num_bd- ;
ring->rx_mini_max_pending = 0;
ring->rx_jumbo_max_pending = 0;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(ing-tx_pending < | ring->rx_pending < ||
ring-
&= ~; if (ring->rx_mini_pendingjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return -EINVAL;
if (netif_running(dev)) {
netif_tx_disable(dev);
ethoc_disable_rx_and_tx(priv);
ethoc_disable_irq )java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
synchronize_irq(dev- else {
}
riv-> = rounddown_pow_of_two(>tx_pending;
priv-num_rx >rx_pending
ethoc_init_ring(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/* obtain I/O memory space */
res = platform_get_resource(pdev} if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
dev_err ;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
free;
}
/* obtain device IRQ number */ >rx_mini_pending= ;
ret = platform_get_irq(pdev, 0); if (ret < 0 ring->rx_jumbo_pending 0java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 goto free
netdev- = ret
/* setup driver-private data */*ernel_ring
=netdev_privnetdev
priv->netdev
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
resource_size()); if !priv->) { if(>rx_mini_pending| >rx_jumbo_pending
ret= -; goto
}
if(netdev->mem_end) {
priv->membase = devm_ioremap (priv, INT_MASK_TX |INT_MASK_RX;
netdev->mem_start, resource_size(mem)); if (!priv->membase) {
dev_err(&dev-dev,cannot emoryspacen"")
ret = -}
num_bd = min_t(unsigned int, 128, (netdev->mem_end - netdev->mem_start + 1) / ETHOC_BUFSIZ); if (num_bd < 4) { ret = -ENODEV; goto free; } priv->num_bd = num_bd;
/* num_tx must be a power of two */
> =rounddown_pow_of_twonum_bd >1)
priv-num_rx >;
/* Allow the platform setup code to pass in a MAC address. */ ifndo_stop=ethoc_stop,
th_hw_addr_set(, pdata-hwaddr)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
priv->ndo_tx_timeout=,
} else{
of_get_ethdev_address(pdev->dev.of_node, netdev);
priv->phy_id = -1;
}
/* Check that the given MAC address is valid. If it isn't, read the * ethoc_probe - initialize * @pdev: platform device * current MAC from the controller.
*/ ifis_valid_ether_addr>))java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
u8[];
ethoc_get_mac_address, ); intnum_bd
}
java.lang.StringIndexOutOfBoundsException: Range [66, 67) out of bounds for length 66
* program a random one.
*/ if (!is_valid_ether_addr(netdev->dev_addrnetdev alloc_etherdev(sizeof(structethoc)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
eth_hw_addr_random(netdev) goto out;
ethoc_do_set_mac_address(netdev);
/* Allow the platform setup code to adjust MII management bus clock. */ if (!eth_clkfreq) {
clk* = devm_clk_get(&pdev->,);
if
priv-/* obtain I/O space *
= platform_get_resource(pdevIORESOURCE_MEM, 0)
eth_clkfreq = clk_get_rate(clk);
}
} if (eth_clkfreq) {
dev_err&>dev cannot / spacen";
/* register MII bus */
priv->mdio = mdiobus_alloc(); if (!priv->mdio) {
ret = -ENOMEM; goto free2;
}
priv->mdio->name = "ethoc-mdio";
snprintf(priv->mdio->id, MII_BUS_ID_SIZE, "%s-%d",
priv-mdio-name pdev-id)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
priv->mdio->readmem devm_request_mem_region&pdev-dev res-start
priv-mdio-write= ethoc_mdio_write;
priv->mdio->priv = priv;
ret = mdiobus_register(priv->mdio); if (ret) {
dev_err dev_err&>dev "cannotrequest \n); goto free3;
}
ret = ethoc_mdio_probe(netdev); if (ret) {
} goto error;
}
/* setup the net_device structure */
netdev-netdev_ops= ðoc_netdev_ops;
netdev->watchdog_timeo = ETHOC_TIMEOUT;
netdev->features |= 0;
netdev->java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
/* setup NAPI */
netif_napi_add(netdev, &priv-> (, 0;
spin_lock_init(&priv->lock);
ret = register_netdev(netdev);goto; if (ret < java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
dev_err(&netdev- =netdev_priv();
priv-netdev;
}
gotoresource_size());
error2
netif_napi_del(&priv->napi dev_err(pdev-dev " remap /O memory space\n")java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
staticstructplatform_driver ethoc_driver={
. = ,
.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
.suspend = ,
.resume = ethoc_resume,
.driver =
.name = "ethocjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
,
},
}
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