#define CPMAC_TX_ACK(channel) (0x0640 + (channel) * 4)
#define CPMAC_RX_ACK(channel) (0x0660 + (channel) * 4)
#define CPMAC_REG_END 0x0680
-/*
- * Rx/Tx statistics
+
+/* Rx/Tx statistics
* TODO: use some of them to fill stats in cpmac_stats()
*/
#define CPMAC_STATS_RX_GOOD 0x0200
cpmac_write(priv->regs, CPMAC_MAC_HASH_LO, 0xffffffff);
cpmac_write(priv->regs, CPMAC_MAC_HASH_HI, 0xffffffff);
} else {
- /*
- * cpmac uses some strange mac address hashing
+ /* cpmac uses some strange mac address hashing
* (not crc32)
*/
netdev_for_each_mc_addr(ha, dev) {
if ((desc->dataflags & CPMAC_EOQ) != 0) {
/* The last update to eoq->hw_next didn't happen
- * soon enough, and the receiver stopped here.
- *Remember this descriptor so we can restart
- * the receiver after freeing some space.
- */
+ * soon enough, and the receiver stopped here.
+ * Remember this descriptor so we can restart
+ * the receiver after freeing some space.
+ */
if (unlikely(restart)) {
if (netif_msg_rx_err(priv))
printk(KERN_ERR "%s: poll found a"
if (desc != priv->rx_head) {
/* We freed some buffers, but not the whole ring,
- * add what we did free to the rx list */
+ * add what we did free to the rx list
+ */
desc->prev->hw_next = (u32)0;
priv->rx_head->prev->hw_next = priv->rx_head->mapping;
}
/* Optimization: If we did not actually process an EOQ (perhaps because
* of quota limits), check to see if the tail of the queue has EOQ set.
- * We should immediately restart in that case so that the receiver can
- * restart and run in parallel with more packet processing.
- * This lets us handle slightly larger bursts before running
- * out of ring space (assuming dev->weight < ring_size) */
+ * We should immediately restart in that case so that the receiver can
+ * restart and run in parallel with more packet processing.
+ * This lets us handle slightly larger bursts before running
+ * out of ring space (assuming dev->weight < ring_size)
+ */
if (!restart &&
(priv->rx_head->prev->dataflags & (CPMAC_OWN|CPMAC_EOQ))
== CPMAC_EOQ &&
(priv->rx_head->dataflags & CPMAC_OWN) != 0) {
/* reset EOQ so the poll loop (above) doesn't try to
- * restart this when it eventually gets to this descriptor.
- */
+ * restart this when it eventually gets to this descriptor.
+ */
priv->rx_head->prev->dataflags &= ~CPMAC_EOQ;
restart = priv->rx_head;
}
priv->dev->name, received);
if (processed == 0) {
/* we ran out of packets to read,
- * revert to interrupt-driven mode */
+ * revert to interrupt-driven mode
+ */
napi_complete(napi);
cpmac_write(priv->regs, CPMAC_RX_INT_ENABLE, 1);
return 0;
fatal_error:
/* Something went horribly wrong.
- * Reset hardware to try to recover rather than wedging. */
-
+ * Reset hardware to try to recover rather than wedging.
+ */
if (netif_msg_drv(priv)) {
printk(KERN_ERR "%s: cpmac_poll is confused. "
"Resetting hardware\n", priv->dev->name);
if (rx_code || tx_code) {
if (netif_msg_drv(priv) && net_ratelimit()) {
/* Can't find any documentation on what these
- *error codes actually are. So just log them and hope..
+ * error codes actually are. So just log them and hope..
*/
if (rx_code)
printk(KERN_WARNING "%s: host error %d on rx "