* [PATCH v3 net-next 1/5] gianfar: whitespace cleanup - pointers and multiplications
2012-06-05 13:42 [PATCH v3 net-next 0/5] gianfar: coding style cleanups Jan Ceuleers
@ 2012-06-05 13:42 ` Jan Ceuleers
2012-06-05 13:42 ` [PATCH v3 net-next 2/5] gianfar: comment cleanup Jan Ceuleers
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: Jan Ceuleers @ 2012-06-05 13:42 UTC (permalink / raw)
To: David S. Miller; +Cc: Jiajun Wu, Joe Perches, netdev
Signed-off-by: Jan Ceuleers <jan.ceuleers@computer.org>
---
drivers/net/ethernet/freescale/gianfar.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 0741ade..5ca7b9e 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -266,8 +266,8 @@ static int gfar_alloc_skb_resources(struct net_device *ndev)
tx_queue->tx_bd_dma_base = addr;
tx_queue->dev = ndev;
/* enet DMA only understands physical addresses */
- addr += sizeof(struct txbd8) *tx_queue->tx_ring_size;
- vaddr += sizeof(struct txbd8) *tx_queue->tx_ring_size;
+ addr += sizeof(struct txbd8) * tx_queue->tx_ring_size;
+ vaddr += sizeof(struct txbd8) * tx_queue->tx_ring_size;
}
/* Start the rx descriptor ring where the tx ring leaves off */
@@ -276,8 +276,8 @@ static int gfar_alloc_skb_resources(struct net_device *ndev)
rx_queue->rx_bd_base = vaddr;
rx_queue->rx_bd_dma_base = addr;
rx_queue->dev = ndev;
- addr += sizeof (struct rxbd8) * rx_queue->rx_ring_size;
- vaddr += sizeof (struct rxbd8) * rx_queue->rx_ring_size;
+ addr += sizeof(struct rxbd8) * rx_queue->rx_ring_size;
+ vaddr += sizeof(struct rxbd8) * rx_queue->rx_ring_size;
}
/* Setup the skbuff rings */
@@ -2590,7 +2590,7 @@ static void gfar_new_rxbdp(struct gfar_priv_rx_q *rx_queue, struct rxbd8 *bdp,
gfar_init_rxbdp(rx_queue, bdp, buf);
}
-static struct sk_buff * gfar_alloc_skb(struct net_device *dev)
+static struct sk_buff *gfar_alloc_skb(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
struct sk_buff *skb = NULL;
@@ -2604,7 +2604,7 @@ static struct sk_buff * gfar_alloc_skb(struct net_device *dev)
return skb;
}
-struct sk_buff * gfar_new_skb(struct net_device *dev)
+struct sk_buff *gfar_new_skb(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
struct sk_buff *skb = NULL;
@@ -2728,8 +2728,8 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb,
}
/* gfar_clean_rx_ring() -- Processes each frame in the rx ring
- * until the budget/quota has been reached. Returns the number
- * of frames handled
+ * until the budget/quota has been reached. Returns the number
+ * of frames handled
*/
int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
{
--
1.7.9.5
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH v3 net-next 2/5] gianfar: comment cleanup
2012-06-05 13:42 [PATCH v3 net-next 0/5] gianfar: coding style cleanups Jan Ceuleers
2012-06-05 13:42 ` [PATCH v3 net-next 1/5] gianfar: whitespace cleanup - pointers and multiplications Jan Ceuleers
@ 2012-06-05 13:42 ` Jan Ceuleers
2012-06-05 13:42 ` [PATCH v3 net-next 3/5] gianfar: various coding style and whitespace cleanups Jan Ceuleers
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: Jan Ceuleers @ 2012-06-05 13:42 UTC (permalink / raw)
To: David S. Miller; +Cc: Jiajun Wu, Joe Perches, netdev
Signed-off-by: Jan Ceuleers <jan.ceuleers@computer.org>
---
drivers/net/ethernet/freescale/gianfar.c | 155 ++++++++++++++++--------------
1 file changed, 83 insertions(+), 72 deletions(-)
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 5ca7b9e..3144560 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -1,5 +1,4 @@
-/*
- * drivers/net/ethernet/freescale/gianfar.c
+/* drivers/net/ethernet/freescale/gianfar.c
*
* Gianfar Ethernet Driver
* This driver is designed for the non-CPM ethernet controllers
@@ -405,7 +404,8 @@ static void gfar_init_mac(struct net_device *ndev)
gfar_write(®s->attreli, attrs);
/* Start with defaults, and add stashing or locking
- * depending on the approprate variables */
+ * depending on the approprate variables
+ */
attrs = ATTR_INIT_SETTINGS;
if (priv->bd_stash_en)
@@ -652,7 +652,7 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev)
priv->num_rx_queues = num_rx_qs;
priv->num_grps = 0x0;
- /* Init Rx queue filer rule set linked list*/
+ /* Init Rx queue filer rule set linked list */
INIT_LIST_HEAD(&priv->rx_list.list);
priv->rx_list.count = 0;
mutex_init(&priv->rx_queue_access);
@@ -960,7 +960,8 @@ static void gfar_detect_errata(struct gfar_private *priv)
}
/* Set up the ethernet device structure, private data,
- * and anything else we need before we start */
+ * and anything else we need before we start
+ */
static int gfar_probe(struct platform_device *ofdev)
{
u32 tempval;
@@ -991,8 +992,9 @@ static int gfar_probe(struct platform_device *ofdev)
gfar_detect_errata(priv);
- /* Stop the DMA engine now, in case it was running before */
- /* (The firmware could have used it, and left it running). */
+ /* Stop the DMA engine now, in case it was running before
+ * (The firmware could have used it, and left it running).
+ */
gfar_halt(dev);
/* Reset MAC layer */
@@ -1098,7 +1100,8 @@ static int gfar_probe(struct platform_device *ofdev)
/* Need to reverse the bit maps as bit_map's MSB is q0
* but, for_each_set_bit parses from right to left, which
- * basically reverses the queue numbers */
+ * basically reverses the queue numbers
+ */
for (i = 0; i< priv->num_grps; i++) {
priv->gfargrp[i].tx_bit_map = reverse_bitmap(
priv->gfargrp[i].tx_bit_map, MAX_TX_QS);
@@ -1107,7 +1110,8 @@ static int gfar_probe(struct platform_device *ofdev)
}
/* Calculate RSTAT, TSTAT, RQUEUE and TQUEUE values,
- * also assign queues to groups */
+ * also assign queues to groups
+ */
for (grp_idx = 0; grp_idx < priv->num_grps; grp_idx++) {
priv->gfargrp[grp_idx].num_rx_queues = 0x0;
for_each_set_bit(i, &priv->gfargrp[grp_idx].rx_bit_map,
@@ -1149,7 +1153,7 @@ static int gfar_probe(struct platform_device *ofdev)
priv->rx_queue[i]->rxic = DEFAULT_RXIC;
}
- /* always enable rx filer*/
+ /* always enable rx filer */
priv->rx_filer_enable = 1;
/* Enable most messages by default */
priv->msg_enable = (NETIF_MSG_IFUP << 1 ) - 1;
@@ -1189,8 +1193,9 @@ static int gfar_probe(struct platform_device *ofdev)
/* Print out the device info */
netdev_info(dev, "mac: %pM\n", dev->dev_addr);
- /* Even more device info helps when determining which kernel */
- /* provided which set of benchmarks. */
+ /* Even more device info helps when determining which kernel
+ * provided which set of benchmarks.
+ */
netdev_info(dev, "Running with NAPI enabled\n");
for (i = 0; i < priv->num_rx_queues; i++)
netdev_info(dev, "RX BD ring size for Q[%d]: %d\n",
@@ -1398,8 +1403,7 @@ static phy_interface_t gfar_get_interface(struct net_device *dev)
else {
phy_interface_t interface = priv->interface;
- /*
- * This isn't autodetected right now, so it must
+ /* This isn't autodetected right now, so it must
* be set by the device tree or platform code.
*/
if (interface == PHY_INTERFACE_MODE_RGMII_ID)
@@ -1453,8 +1457,7 @@ static int init_phy(struct net_device *dev)
return 0;
}
-/*
- * Initialize TBI PHY interface for communicating with the
+/* Initialize TBI PHY interface for communicating with the
* SERDES lynx PHY on the chip. We communicate with this PHY
* through the MDIO bus on each controller, treating it as a
* "normal" PHY at the address found in the TBIPA register. We assume
@@ -1479,8 +1482,7 @@ static void gfar_configure_serdes(struct net_device *dev)
return;
}
- /*
- * If the link is already up, we must already be ok, and don't need to
+ /* If the link is already up, we must already be ok, and don't need to
* configure and reset the TBI<->SerDes link. Maybe U-Boot configured
* everything for us? Resetting it takes the link down and requires
* several seconds for it to come back.
@@ -1554,15 +1556,13 @@ static int __gfar_is_rx_idle(struct gfar_private *priv)
{
u32 res;
- /*
- * Normaly TSEC should not hang on GRS commands, so we should
+ /* Normaly TSEC should not hang on GRS commands, so we should
* actually wait for IEVENT_GRSC flag.
*/
if (likely(!gfar_has_errata(priv, GFAR_ERRATA_A002)))
return 0;
- /*
- * Read the eTSEC register at offset 0xD1C. If bits 7-14 are
+ /* Read the eTSEC register at offset 0xD1C. If bits 7-14 are
* the same as bits 23-30, the eTSEC Rx is assumed to be idle
* and the Rx can be safely reset.
*/
@@ -1718,7 +1718,8 @@ static void free_skb_rx_queue(struct gfar_priv_rx_q *rx_queue)
}
/* If there are any tx skbs or rx skbs still around, free them.
- * Then free tx_skbuff and rx_skbuff */
+ * Then free tx_skbuff and rx_skbuff
+ */
static void free_skb_resources(struct gfar_private *priv)
{
struct gfar_priv_tx_q *tx_queue = NULL;
@@ -1827,10 +1828,12 @@ static int register_grp_irqs(struct gfar_priv_grp *grp)
int err;
/* If the device has multiple interrupts, register for
- * them. Otherwise, only register for the one */
+ * them. Otherwise, only register for the one
+ */
if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
/* Install our interrupt handlers for Error,
- * Transmit, and Receive */
+ * Transmit, and Receive
+ */
if ((err = request_irq(grp->interruptError, gfar_error, 0,
grp->int_name_er,grp)) < 0) {
netif_err(priv, intr, dev, "Can't get IRQ %d\n",
@@ -1914,8 +1917,9 @@ irq_fail:
return err;
}
-/* Called when something needs to use the ethernet device */
-/* Returns 0 for success. */
+/* Called when something needs to use the ethernet device
+ * Returns 0 for success.
+ */
static int gfar_enet_open(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
@@ -1970,8 +1974,9 @@ static inline void gfar_tx_checksum(struct sk_buff *skb, struct txfcb *fcb,
*/
flags = TXFCB_DEFAULT;
- /* Tell the controller what the protocol is */
- /* And provide the already calculated phcs */
+ /* Tell the controller what the protocol is
+ * And provide the already calculated phcs
+ */
if (ip_hdr(skb)->protocol == IPPROTO_UDP) {
flags |= TXFCB_UDP;
fcb->phcs = udp_hdr(skb)->check;
@@ -1981,7 +1986,8 @@ static inline void gfar_tx_checksum(struct sk_buff *skb, struct txfcb *fcb,
/* l3os is the distance between the start of the
* frame (skb->data) and the start of the IP hdr.
* l4os is the distance between the start of the
- * l3 hdr and the l4 hdr */
+ * l3 hdr and the l4 hdr
+ */
fcb->l3os = (u16)(skb_network_offset(skb) - fcb_length);
fcb->l4os = skb_network_header_len(skb);
@@ -2008,8 +2014,9 @@ static inline struct txbd8 *next_txbd(struct txbd8 *bdp, struct txbd8 *base,
return skip_txbd(bdp, 1, base, ring_size);
}
-/* This is called by the kernel when a frame is ready for transmission. */
-/* It is pointed to by the dev->hard_start_xmit function pointer */
+/* This is called by the kernel when a frame is ready for transmission.
+ * It is pointed to by the dev->hard_start_xmit function pointer
+ */
static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
@@ -2024,8 +2031,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
unsigned long flags;
unsigned int nr_frags, nr_txbds, length, fcb_length = GMAC_FCB_LEN;
- /*
- * TOE=1 frames larger than 2500 bytes may see excess delays
+ /* TOE=1 frames larger than 2500 bytes may see excess delays
* before start of transmission.
*/
if (unlikely(gfar_has_errata(priv, GFAR_ERRATA_76) &&
@@ -2177,8 +2183,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
txbdp_start->bufPtr = dma_map_single(&priv->ofdev->dev, skb->data,
skb_headlen(skb), DMA_TO_DEVICE);
- /*
- * If time stamping is requested one additional TxBD must be set up. The
+ /* If time stamping is requested one additional TxBD must be set up. The
* first TxBD points to the FCB and must have a data length of
* GMAC_FCB_LEN. The second TxBD points to the actual frame data with
* the full frame length.
@@ -2194,8 +2199,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
netdev_tx_sent_queue(txq, skb->len);
- /*
- * We can work in parallel with gfar_clean_tx_ring(), except
+ /* We can work in parallel with gfar_clean_tx_ring(), except
* when modifying num_txbdfree. Note that we didn't grab the lock
* when we were reading the num_txbdfree and checking for available
* space, that's because outside of this function it can only grow,
@@ -2208,8 +2212,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
*/
spin_lock_irqsave(&tx_queue->txlock, flags);
- /*
- * The powerpc-specific eieio() is used, as wmb() has too strong
+ /* The powerpc-specific eieio() is used, as wmb() has too strong
* semantics (it requires synchronization between cacheable and
* uncacheable mappings, which eieio doesn't provide and which we
* don't need), thus requiring a more expensive sync instruction. At
@@ -2225,7 +2228,8 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
tx_queue->tx_skbuff[tx_queue->skb_curtx] = skb;
/* Update the current skb pointer to the next entry we will use
- * (wrapping if necessary) */
+ * (wrapping if necessary)
+ */
tx_queue->skb_curtx = (tx_queue->skb_curtx + 1) &
TX_RING_MOD_MASK(tx_queue->tx_ring_size);
@@ -2235,7 +2239,8 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
tx_queue->num_txbdfree -= (nr_txbds);
/* If the next BD still needs to be cleaned up, then the bds
- are full. We need to tell the kernel to stop sending us stuff. */
+ * are full. We need to tell the kernel to stop sending us stuff.
+ */
if (!tx_queue->num_txbdfree) {
netif_tx_stop_queue(txq);
@@ -2365,7 +2370,8 @@ static int gfar_change_mtu(struct net_device *dev, int new_mtu)
INCREMENTAL_BUFFER_SIZE;
/* Only stop and start the controller if it isn't already
- * stopped, and we changed something */
+ * stopped, and we changed something
+ */
if ((oldsize != tempsize) && (dev->flags & IFF_UP))
stop_gfar(dev);
@@ -2378,7 +2384,8 @@ static int gfar_change_mtu(struct net_device *dev, int new_mtu)
/* If the mtu is larger than the max size for standard
* ethernet frames (ie, a jumbo frame), then set maccfg2
- * to allow huge frames, and to check the length */
+ * to allow huge frames, and to check the length
+ */
tempval = gfar_read(®s->maccfg2);
if (priv->rx_buffer_size > DEFAULT_RX_BUFFER_SIZE ||
@@ -2464,8 +2471,7 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
frags = skb_shinfo(skb)->nr_frags;
- /*
- * When time stamping, one additional TxBD must be freed.
+ /* When time stamping, one additional TxBD must be freed.
* Also, we need to dma_unmap_single() the TxPAL.
*/
if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS))
@@ -2516,8 +2522,7 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
bytes_sent += skb->len;
- /*
- * If there's room in the queue (limit it to rx_buffer_size)
+ /* If there's room in the queue (limit it to rx_buffer_size)
* we add this skb back into the pool, if it's the right size
*/
if (skb_queue_len(&priv->rx_recycle) < rx_queue->rx_ring_size &&
@@ -2561,8 +2566,7 @@ static void gfar_schedule_cleanup(struct gfar_priv_grp *gfargrp)
gfar_write(&gfargrp->regs->imask, IMASK_RTX_DISABLED);
__napi_schedule(&gfargrp->napi);
} else {
- /*
- * Clear IEVENT, so interrupts aren't called again
+ /* Clear IEVENT, so interrupts aren't called again
* because of the packets that have already arrived.
*/
gfar_write(&gfargrp->regs->ievent, IEVENT_RTX_MASK);
@@ -2622,8 +2626,7 @@ static inline void count_errors(unsigned short status, struct net_device *dev)
struct net_device_stats *stats = &dev->stats;
struct gfar_extra_stats *estats = &priv->extra_stats;
- /* If the packet was truncated, none of the other errors
- * matter */
+ /* If the packet was truncated, none of the other errors matter */
if (status & RXBD_TRUNCATED) {
stats->rx_length_errors++;
@@ -2664,7 +2667,8 @@ static inline void gfar_rx_checksum(struct sk_buff *skb, struct rxfcb *fcb)
{
/* If valid headers were found, and valid sums
* were verified, then we tell the kernel that no
- * checksumming is necessary. Otherwise, it is */
+ * checksumming is necessary. Otherwise, it is [FIXME]
+ */
if ((fcb->flags & RXFCB_CSUM_MASK) == (RXFCB_CIP | RXFCB_CTU))
skb->ip_summed = CHECKSUM_UNNECESSARY;
else
@@ -2672,8 +2676,7 @@ static inline void gfar_rx_checksum(struct sk_buff *skb, struct rxfcb *fcb)
}
-/* gfar_process_frame() -- handle one incoming packet if skb
- * isn't NULL. */
+/* gfar_process_frame() -- handle one incoming packet if skb isn't NULL. */
static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb,
int amount_pull, struct napi_struct *napi)
{
@@ -2685,8 +2688,9 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb,
/* fcb is at the beginning if exists */
fcb = (struct rxfcb *)skb->data;
- /* Remove the FCB from the skb */
- /* Remove the padded bytes, if there are any */
+ /* Remove the FCB from the skb
+ * Remove the padded bytes, if there are any
+ */
if (amount_pull) {
skb_record_rx_queue(skb, fcb->rq);
skb_pull(skb, amount_pull);
@@ -2709,8 +2713,7 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb,
/* Tell the skb what kind of packet this is */
skb->protocol = eth_type_trans(skb, dev);
- /*
- * There's need to check for NETIF_F_HW_VLAN_RX here.
+ /* There's need to check for NETIF_F_HW_VLAN_RX here.
* Even if vlan rx accel is disabled, on some chips
* RXFCB_VLN is pseudo randomly set.
*/
@@ -2831,7 +2834,8 @@ static int gfar_poll(struct napi_struct *napi, int budget)
budget_per_queue = budget/num_queues;
/* Clear IEVENT, so interrupts aren't called again
- * because of the packets that have already arrived */
+ * because of the packets that have already arrived
+ */
gfar_write(®s->ievent, IEVENT_RTX_MASK);
while (num_queues && left_over_budget) {
@@ -2869,8 +2873,9 @@ static int gfar_poll(struct napi_struct *napi, int budget)
gfar_write(®s->imask, IMASK_DEFAULT);
- /* If we are coalescing interrupts, update the timer */
- /* Otherwise, clear it */
+ /* If we are coalescing interrupts, update the timer
+ * Otherwise, clear it
+ */
gfar_configure_coalescing(priv,
gfargrp->rx_bit_map, gfargrp->tx_bit_map);
}
@@ -2879,8 +2884,7 @@ static int gfar_poll(struct napi_struct *napi, int budget)
}
#ifdef CONFIG_NET_POLL_CONTROLLER
-/*
- * Polling 'interrupt' - used by things like netconsole to send skbs
+/* Polling 'interrupt' - used by things like netconsole to send skbs
* without having to re-enable interrupts. It's not called while
* the interrupt routine is executing.
*/
@@ -2957,7 +2961,8 @@ static void adjust_link(struct net_device *dev)
u32 ecntrl = gfar_read(®s->ecntrl);
/* Now we make sure that we can be in full duplex mode.
- * If not, we operate in half-duplex mode. */
+ * If not, we operate in half-duplex mode.
+ */
if (phydev->duplex != priv->oldduplex) {
new_state = 1;
if (!(phydev->duplex))
@@ -2983,7 +2988,8 @@ static void adjust_link(struct net_device *dev)
((tempval & ~(MACCFG2_IF)) | MACCFG2_MII);
/* Reduced mode distinguishes
- * between 10 and 100 */
+ * between 10 and 100
+ */
if (phydev->speed == SPEED_100)
ecntrl |= ECNTRL_R100;
else
@@ -3022,7 +3028,8 @@ static void adjust_link(struct net_device *dev)
/* Update the hash table based on the current list of multicast
* addresses we subscribe to. Also, change the promiscuity of
* the device based on the flags (this function is called
- * whenever dev->flags is changed */
+ * whenever dev->flags is changed
+ */
static void gfar_set_multi(struct net_device *dev)
{
struct netdev_hw_addr *ha;
@@ -3084,7 +3091,8 @@ static void gfar_set_multi(struct net_device *dev)
/* If we have extended hash tables, we need to
* clear the exact match registers to prepare for
- * setting them */
+ * setting them
+ */
if (priv->extended_hash) {
em_num = GFAR_EM_NUM + 1;
gfar_clear_exact_match(dev);
@@ -3110,7 +3118,8 @@ static void gfar_set_multi(struct net_device *dev)
/* Clears each of the exact match registers to zero, so they
- * don't interfere with normal reception */
+ * don't interfere with normal reception
+ */
static void gfar_clear_exact_match(struct net_device *dev)
{
int idx;
@@ -3132,7 +3141,8 @@ static void gfar_clear_exact_match(struct net_device *dev)
* hash index which gaddr register to use, and the 5 other bits
* indicate which bit (assuming an IBM numbering scheme, which
* for PowerPC (tm) is usually the case) in the register holds
- * the entry. */
+ * the entry.
+ */
static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr)
{
u32 tempval;
@@ -3164,8 +3174,9 @@ static void gfar_set_mac_for_addr(struct net_device *dev, int num,
macptr += num*2;
- /* Now copy it into the mac registers backwards, cuz */
- /* little endian is silly */
+ /* Now copy it into the mac registers backwards, cuz
+ * little endian is silly
+ */
for (idx = 0; idx < ETH_ALEN; idx++)
tmpbuf[ETH_ALEN - 1 - idx] = addr[idx];
--
1.7.9.5
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH v3 net-next 3/5] gianfar: various coding style and whitespace cleanups
2012-06-05 13:42 [PATCH v3 net-next 0/5] gianfar: coding style cleanups Jan Ceuleers
2012-06-05 13:42 ` [PATCH v3 net-next 1/5] gianfar: whitespace cleanup - pointers and multiplications Jan Ceuleers
2012-06-05 13:42 ` [PATCH v3 net-next 2/5] gianfar: comment cleanup Jan Ceuleers
@ 2012-06-05 13:42 ` Jan Ceuleers
2012-06-05 13:42 ` [PATCH v3 net-next 4/5] gianfar: Remove superfluous initialisations Jan Ceuleers
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: Jan Ceuleers @ 2012-06-05 13:42 UTC (permalink / raw)
To: David S. Miller; +Cc: Jiajun Wu, Joe Perches, netdev
Signed-off-by: Jan Ceuleers <jan.ceuleers@computer.org>
---
drivers/net/ethernet/freescale/gianfar.c | 298 +++++++++++++++---------------
1 file changed, 154 insertions(+), 144 deletions(-)
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 3144560..ed0b136 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -113,7 +113,7 @@ static void gfar_timeout(struct net_device *dev);
static int gfar_close(struct net_device *dev);
struct sk_buff *gfar_new_skb(struct net_device *dev);
static void gfar_new_rxbdp(struct gfar_priv_rx_q *rx_queue, struct rxbd8 *bdp,
- struct sk_buff *skb);
+ struct sk_buff *skb);
static int gfar_set_mac_address(struct net_device *dev);
static int gfar_change_mtu(struct net_device *dev, int new_mtu);
static irqreturn_t gfar_error(int irq, void *dev_id);
@@ -265,8 +265,8 @@ static int gfar_alloc_skb_resources(struct net_device *ndev)
tx_queue->tx_bd_dma_base = addr;
tx_queue->dev = ndev;
/* enet DMA only understands physical addresses */
- addr += sizeof(struct txbd8) * tx_queue->tx_ring_size;
- vaddr += sizeof(struct txbd8) * tx_queue->tx_ring_size;
+ addr += sizeof(struct txbd8) * tx_queue->tx_ring_size;
+ vaddr += sizeof(struct txbd8) * tx_queue->tx_ring_size;
}
/* Start the rx descriptor ring where the tx ring leaves off */
@@ -275,15 +275,16 @@ static int gfar_alloc_skb_resources(struct net_device *ndev)
rx_queue->rx_bd_base = vaddr;
rx_queue->rx_bd_dma_base = addr;
rx_queue->dev = ndev;
- addr += sizeof(struct rxbd8) * rx_queue->rx_ring_size;
- vaddr += sizeof(struct rxbd8) * rx_queue->rx_ring_size;
+ addr += sizeof(struct rxbd8) * rx_queue->rx_ring_size;
+ vaddr += sizeof(struct rxbd8) * rx_queue->rx_ring_size;
}
/* Setup the skbuff rings */
for (i = 0; i < priv->num_tx_queues; i++) {
tx_queue = priv->tx_queue[i];
tx_queue->tx_skbuff = kmalloc(sizeof(*tx_queue->tx_skbuff) *
- tx_queue->tx_ring_size, GFP_KERNEL);
+ tx_queue->tx_ring_size,
+ GFP_KERNEL);
if (!tx_queue->tx_skbuff) {
netif_err(priv, ifup, ndev,
"Could not allocate tx_skbuff\n");
@@ -297,7 +298,8 @@ static int gfar_alloc_skb_resources(struct net_device *ndev)
for (i = 0; i < priv->num_rx_queues; i++) {
rx_queue = priv->rx_queue[i];
rx_queue->rx_skbuff = kmalloc(sizeof(*rx_queue->rx_skbuff) *
- rx_queue->rx_ring_size, GFP_KERNEL);
+ rx_queue->rx_ring_size,
+ GFP_KERNEL);
if (!rx_queue->rx_skbuff) {
netif_err(priv, ifup, ndev,
@@ -326,15 +328,15 @@ static void gfar_init_tx_rx_base(struct gfar_private *priv)
int i;
baddr = ®s->tbase0;
- for(i = 0; i < priv->num_tx_queues; i++) {
+ for (i = 0; i < priv->num_tx_queues; i++) {
gfar_write(baddr, priv->tx_queue[i]->tx_bd_dma_base);
- baddr += 2;
+ baddr += 2;
}
baddr = ®s->rbase0;
- for(i = 0; i < priv->num_rx_queues; i++) {
+ for (i = 0; i < priv->num_rx_queues; i++) {
gfar_write(baddr, priv->rx_queue[i]->rx_bd_dma_base);
- baddr += 2;
+ baddr += 2;
}
}
@@ -430,12 +432,12 @@ static struct net_device_stats *gfar_get_stats(struct net_device *dev)
for (i = 0; i < priv->num_rx_queues; i++) {
rx_packets += priv->rx_queue[i]->stats.rx_packets;
- rx_bytes += priv->rx_queue[i]->stats.rx_bytes;
+ rx_bytes += priv->rx_queue[i]->stats.rx_bytes;
rx_dropped += priv->rx_queue[i]->stats.rx_dropped;
}
dev->stats.rx_packets = rx_packets;
- dev->stats.rx_bytes = rx_bytes;
+ dev->stats.rx_bytes = rx_bytes;
dev->stats.rx_dropped = rx_dropped;
for (i = 0; i < priv->num_tx_queues; i++) {
@@ -443,7 +445,7 @@ static struct net_device_stats *gfar_get_stats(struct net_device *dev)
tx_packets += priv->tx_queue[i]->stats.tx_packets;
}
- dev->stats.tx_bytes = tx_bytes;
+ dev->stats.tx_bytes = tx_bytes;
dev->stats.tx_packets = tx_packets;
return &dev->stats;
@@ -508,8 +510,8 @@ static bool gfar_is_vlan_on(struct gfar_private *priv)
static inline int gfar_uses_fcb(struct gfar_private *priv)
{
return gfar_is_vlan_on(priv) ||
- (priv->ndev->features & NETIF_F_RXCSUM) ||
- (priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER);
+ (priv->ndev->features & NETIF_F_RXCSUM) ||
+ (priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER);
}
static void free_tx_pointers(struct gfar_private *priv)
@@ -554,7 +556,7 @@ static void enable_napi(struct gfar_private *priv)
}
static int gfar_parse_group(struct device_node *np,
- struct gfar_private *priv, const char *model)
+ struct gfar_private *priv, const char *model)
{
u32 *queue_mask;
@@ -580,15 +582,13 @@ static int gfar_parse_group(struct device_node *np,
priv->gfargrp[priv->num_grps].grp_id = priv->num_grps;
priv->gfargrp[priv->num_grps].priv = priv;
spin_lock_init(&priv->gfargrp[priv->num_grps].grplock);
- if(priv->mode == MQ_MG_MODE) {
- queue_mask = (u32 *)of_get_property(np,
- "fsl,rx-bit-map", NULL);
- priv->gfargrp[priv->num_grps].rx_bit_map =
- queue_mask ? *queue_mask :(DEFAULT_MAPPING >> priv->num_grps);
- queue_mask = (u32 *)of_get_property(np,
- "fsl,tx-bit-map", NULL);
- priv->gfargrp[priv->num_grps].tx_bit_map =
- queue_mask ? *queue_mask : (DEFAULT_MAPPING >> priv->num_grps);
+ if (priv->mode == MQ_MG_MODE) {
+ queue_mask = (u32 *)of_get_property(np, "fsl,rx-bit-map", NULL);
+ priv->gfargrp[priv->num_grps].rx_bit_map = queue_mask ?
+ *queue_mask : (DEFAULT_MAPPING >> priv->num_grps);
+ queue_mask = (u32 *)of_get_property(np, "fsl,tx-bit-map", NULL);
+ priv->gfargrp[priv->num_grps].tx_bit_map = queue_mask ?
+ *queue_mask : (DEFAULT_MAPPING >> priv->num_grps);
} else {
priv->gfargrp[priv->num_grps].rx_bit_map = 0xFF;
priv->gfargrp[priv->num_grps].tx_bit_map = 0xFF;
@@ -673,7 +673,7 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev)
} else {
priv->mode = SQ_SG_MODE;
err = gfar_parse_group(np, priv, model);
- if(err)
+ if (err)
goto err_grp_init;
}
@@ -730,27 +730,27 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev)
priv->device_flags |= FSL_GIANFAR_DEV_HAS_BUF_STASHING;
mac_addr = of_get_mac_address(np);
+
if (mac_addr)
memcpy(dev->dev_addr, mac_addr, ETH_ALEN);
if (model && !strcasecmp(model, "TSEC"))
- priv->device_flags =
- FSL_GIANFAR_DEV_HAS_GIGABIT |
- FSL_GIANFAR_DEV_HAS_COALESCE |
- FSL_GIANFAR_DEV_HAS_RMON |
- FSL_GIANFAR_DEV_HAS_MULTI_INTR;
+ priv->device_flags = FSL_GIANFAR_DEV_HAS_GIGABIT |
+ FSL_GIANFAR_DEV_HAS_COALESCE |
+ FSL_GIANFAR_DEV_HAS_RMON |
+ FSL_GIANFAR_DEV_HAS_MULTI_INTR;
+
if (model && !strcasecmp(model, "eTSEC"))
- priv->device_flags =
- FSL_GIANFAR_DEV_HAS_GIGABIT |
- FSL_GIANFAR_DEV_HAS_COALESCE |
- FSL_GIANFAR_DEV_HAS_RMON |
- FSL_GIANFAR_DEV_HAS_MULTI_INTR |
- FSL_GIANFAR_DEV_HAS_PADDING |
- FSL_GIANFAR_DEV_HAS_CSUM |
- FSL_GIANFAR_DEV_HAS_VLAN |
- FSL_GIANFAR_DEV_HAS_MAGIC_PACKET |
- FSL_GIANFAR_DEV_HAS_EXTENDED_HASH |
- FSL_GIANFAR_DEV_HAS_TIMER;
+ priv->device_flags = FSL_GIANFAR_DEV_HAS_GIGABIT |
+ FSL_GIANFAR_DEV_HAS_COALESCE |
+ FSL_GIANFAR_DEV_HAS_RMON |
+ FSL_GIANFAR_DEV_HAS_MULTI_INTR |
+ FSL_GIANFAR_DEV_HAS_PADDING |
+ FSL_GIANFAR_DEV_HAS_CSUM |
+ FSL_GIANFAR_DEV_HAS_VLAN |
+ FSL_GIANFAR_DEV_HAS_MAGIC_PACKET |
+ FSL_GIANFAR_DEV_HAS_EXTENDED_HASH |
+ FSL_GIANFAR_DEV_HAS_TIMER;
ctype = of_get_property(np, "phy-connection-type", NULL);
@@ -781,7 +781,7 @@ err_grp_init:
}
static int gfar_hwtstamp_ioctl(struct net_device *netdev,
- struct ifreq *ifr, int cmd)
+ struct ifreq *ifr, int cmd)
{
struct hwtstamp_config config;
struct gfar_private *priv = netdev_priv(netdev);
@@ -851,6 +851,7 @@ static unsigned int reverse_bitmap(unsigned int bit_map, unsigned int max_qs)
{
unsigned int new_bit_map = 0x0;
int mask = 0x1 << (max_qs - 1), i;
+
for (i = 0; i < max_qs; i++) {
if (bit_map & mask)
new_bit_map = new_bit_map + (1 << i);
@@ -936,22 +937,22 @@ static void gfar_detect_errata(struct gfar_private *priv)
/* MPC8313 Rev 2.0 and higher; All MPC837x */
if ((pvr == 0x80850010 && mod == 0x80b0 && rev >= 0x0020) ||
- (pvr == 0x80861010 && (mod & 0xfff9) == 0x80c0))
+ (pvr == 0x80861010 && (mod & 0xfff9) == 0x80c0))
priv->errata |= GFAR_ERRATA_74;
/* MPC8313 and MPC837x all rev */
if ((pvr == 0x80850010 && mod == 0x80b0) ||
- (pvr == 0x80861010 && (mod & 0xfff9) == 0x80c0))
+ (pvr == 0x80861010 && (mod & 0xfff9) == 0x80c0))
priv->errata |= GFAR_ERRATA_76;
/* MPC8313 and MPC837x all rev */
if ((pvr == 0x80850010 && mod == 0x80b0) ||
- (pvr == 0x80861010 && (mod & 0xfff9) == 0x80c0))
+ (pvr == 0x80861010 && (mod & 0xfff9) == 0x80c0))
priv->errata |= GFAR_ERRATA_A002;
/* MPC8313 Rev < 2.0, MPC8548 rev 2.0 */
if ((pvr == 0x80850010 && mod == 0x80b0 && rev < 0x0020) ||
- (pvr == 0x80210020 && mod == 0x8030 && rev == 0x0020))
+ (pvr == 0x80210020 && mod == 0x8030 && rev == 0x0020))
priv->errata |= GFAR_ERRATA_12;
if (priv->errata)
@@ -1028,13 +1029,14 @@ static int gfar_probe(struct platform_device *ofdev)
/* Register for napi ...We are registering NAPI for each grp */
for (i = 0; i < priv->num_grps; i++)
- netif_napi_add(dev, &priv->gfargrp[i].napi, gfar_poll, GFAR_DEV_WEIGHT);
+ netif_napi_add(dev, &priv->gfargrp[i].napi, gfar_poll,
+ GFAR_DEV_WEIGHT);
if (priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM) {
dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG |
- NETIF_F_RXCSUM;
+ NETIF_F_RXCSUM;
dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG |
- NETIF_F_RXCSUM | NETIF_F_HIGHDMA;
+ NETIF_F_RXCSUM | NETIF_F_HIGHDMA;
}
if (priv->device_flags & FSL_GIANFAR_DEV_HAS_VLAN) {
@@ -1083,7 +1085,7 @@ static int gfar_probe(struct platform_device *ofdev)
priv->padding = 0;
if (dev->features & NETIF_F_IP_CSUM ||
- priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)
+ priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)
dev->needed_headroom = GMAC_FCB_LEN;
/* Program the isrg regs only if number of grps > 1 */
@@ -1103,10 +1105,10 @@ static int gfar_probe(struct platform_device *ofdev)
* basically reverses the queue numbers
*/
for (i = 0; i< priv->num_grps; i++) {
- priv->gfargrp[i].tx_bit_map = reverse_bitmap(
- priv->gfargrp[i].tx_bit_map, MAX_TX_QS);
- priv->gfargrp[i].rx_bit_map = reverse_bitmap(
- priv->gfargrp[i].rx_bit_map, MAX_RX_QS);
+ priv->gfargrp[i].tx_bit_map =
+ reverse_bitmap(priv->gfargrp[i].tx_bit_map, MAX_TX_QS);
+ priv->gfargrp[i].rx_bit_map =
+ reverse_bitmap(priv->gfargrp[i].rx_bit_map, MAX_RX_QS);
}
/* Calculate RSTAT, TSTAT, RQUEUE and TQUEUE values,
@@ -1114,16 +1116,18 @@ static int gfar_probe(struct platform_device *ofdev)
*/
for (grp_idx = 0; grp_idx < priv->num_grps; grp_idx++) {
priv->gfargrp[grp_idx].num_rx_queues = 0x0;
+
for_each_set_bit(i, &priv->gfargrp[grp_idx].rx_bit_map,
- priv->num_rx_queues) {
+ priv->num_rx_queues) {
priv->gfargrp[grp_idx].num_rx_queues++;
priv->rx_queue[i]->grp = &priv->gfargrp[grp_idx];
rstat = rstat | (RSTAT_CLEAR_RHALT >> i);
rqueue = rqueue | ((RQUEUE_EN0 | RQUEUE_EX0) >> i);
}
priv->gfargrp[grp_idx].num_tx_queues = 0x0;
+
for_each_set_bit(i, &priv->gfargrp[grp_idx].tx_bit_map,
- priv->num_tx_queues) {
+ priv->num_tx_queues) {
priv->gfargrp[grp_idx].num_tx_queues++;
priv->tx_queue[i]->grp = &priv->gfargrp[grp_idx];
tstat = tstat | (TSTAT_CLEAR_THALT >> i);
@@ -1169,7 +1173,8 @@ static int gfar_probe(struct platform_device *ofdev)
}
device_init_wakeup(&dev->dev,
- priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
+ priv->device_flags &
+ FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
/* fill out IRQ number and name fields */
for (i = 0; i < priv->num_grps; i++) {
@@ -1200,7 +1205,7 @@ static int gfar_probe(struct platform_device *ofdev)
for (i = 0; i < priv->num_rx_queues; i++)
netdev_info(dev, "RX BD ring size for Q[%d]: %d\n",
i, priv->rx_queue[i]->rx_ring_size);
- for(i = 0; i < priv->num_tx_queues; i++)
+ for (i = 0; i < priv->num_tx_queues; i++)
netdev_info(dev, "TX BD ring size for Q[%d]: %d\n",
i, priv->tx_queue[i]->tx_ring_size);
@@ -1247,7 +1252,8 @@ static int gfar_suspend(struct device *dev)
u32 tempval;
int magic_packet = priv->wol_en &&
- (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
+ (priv->device_flags &
+ FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
netif_device_detach(ndev);
@@ -1299,7 +1305,8 @@ static int gfar_resume(struct device *dev)
unsigned long flags;
u32 tempval;
int magic_packet = priv->wol_en &&
- (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
+ (priv->device_flags &
+ FSL_GIANFAR_DEV_HAS_MAGIC_PACKET);
if (!netif_running(ndev)) {
netif_device_attach(ndev);
@@ -1398,8 +1405,9 @@ static phy_interface_t gfar_get_interface(struct net_device *dev)
}
if (ecntrl & ECNTRL_REDUCED_MODE) {
- if (ecntrl & ECNTRL_REDUCED_MII_MODE)
+ if (ecntrl & ECNTRL_REDUCED_MII_MODE) {
return PHY_INTERFACE_MODE_RMII;
+ }
else {
phy_interface_t interface = priv->interface;
@@ -1494,11 +1502,12 @@ static void gfar_configure_serdes(struct net_device *dev)
phy_write(tbiphy, MII_TBICON, TBICON_CLK_SELECT);
phy_write(tbiphy, MII_ADVERTISE,
- ADVERTISE_1000XFULL | ADVERTISE_1000XPAUSE |
- ADVERTISE_1000XPSE_ASYM);
+ ADVERTISE_1000XFULL | ADVERTISE_1000XPAUSE |
+ ADVERTISE_1000XPSE_ASYM);
- phy_write(tbiphy, MII_BMCR, BMCR_ANENABLE |
- BMCR_ANRESTART | BMCR_FULLDPLX | BMCR_SPEED1000);
+ phy_write(tbiphy, MII_BMCR,
+ BMCR_ANENABLE | BMCR_ANRESTART | BMCR_FULLDPLX |
+ BMCR_SPEED1000);
}
static void init_registers(struct net_device *dev)
@@ -1594,8 +1603,8 @@ static void gfar_halt_nodisable(struct net_device *dev)
regs = priv->gfargrp[0].regs;
/* Stop the DMA, and wait for it to stop */
tempval = gfar_read(®s->dmactrl);
- if ((tempval & (DMACTRL_GRS | DMACTRL_GTS))
- != (DMACTRL_GRS | DMACTRL_GTS)) {
+ if ((tempval & (DMACTRL_GRS | DMACTRL_GTS)) !=
+ (DMACTRL_GRS | DMACTRL_GTS)) {
int ret;
tempval |= (DMACTRL_GRS | DMACTRL_GTS);
@@ -1660,7 +1669,7 @@ void stop_gfar(struct net_device *dev)
} else {
for (i = 0; i < priv->num_grps; i++)
free_irq(priv->gfargrp[i].interruptTransmit,
- &priv->gfargrp[i]);
+ &priv->gfargrp[i]);
}
free_skb_resources(priv);
@@ -1679,13 +1688,13 @@ static void free_skb_tx_queue(struct gfar_priv_tx_q *tx_queue)
continue;
dma_unmap_single(&priv->ofdev->dev, txbdp->bufPtr,
- txbdp->length, DMA_TO_DEVICE);
+ txbdp->length, DMA_TO_DEVICE);
txbdp->lstatus = 0;
for (j = 0; j < skb_shinfo(tx_queue->tx_skbuff[i])->nr_frags;
- j++) {
+ j++) {
txbdp++;
dma_unmap_page(&priv->ofdev->dev, txbdp->bufPtr,
- txbdp->length, DMA_TO_DEVICE);
+ txbdp->length, DMA_TO_DEVICE);
}
txbdp++;
dev_kfree_skb_any(tx_queue->tx_skbuff[i]);
@@ -1705,8 +1714,8 @@ static void free_skb_rx_queue(struct gfar_priv_rx_q *rx_queue)
for (i = 0; i < rx_queue->rx_ring_size; i++) {
if (rx_queue->rx_skbuff[i]) {
dma_unmap_single(&priv->ofdev->dev,
- rxbdp->bufPtr, priv->rx_buffer_size,
- DMA_FROM_DEVICE);
+ rxbdp->bufPtr, priv->rx_buffer_size,
+ DMA_FROM_DEVICE);
dev_kfree_skb_any(rx_queue->rx_skbuff[i]);
rx_queue->rx_skbuff[i] = NULL;
}
@@ -1729,24 +1738,25 @@ static void free_skb_resources(struct gfar_private *priv)
/* Go through all the buffer descriptors and free their data buffers */
for (i = 0; i < priv->num_tx_queues; i++) {
struct netdev_queue *txq;
+
tx_queue = priv->tx_queue[i];
txq = netdev_get_tx_queue(tx_queue->dev, tx_queue->qindex);
- if(tx_queue->tx_skbuff)
+ if (tx_queue->tx_skbuff)
free_skb_tx_queue(tx_queue);
netdev_tx_reset_queue(txq);
}
for (i = 0; i < priv->num_rx_queues; i++) {
rx_queue = priv->rx_queue[i];
- if(rx_queue->rx_skbuff)
+ if (rx_queue->rx_skbuff)
free_skb_rx_queue(rx_queue);
}
dma_free_coherent(&priv->ofdev->dev,
- sizeof(struct txbd8) * priv->total_tx_ring_size +
- sizeof(struct rxbd8) * priv->total_rx_ring_size,
- priv->tx_queue[0]->tx_bd_base,
- priv->tx_queue[0]->tx_bd_dma_base);
+ sizeof(struct txbd8) * priv->total_tx_ring_size +
+ sizeof(struct rxbd8) * priv->total_rx_ring_size,
+ priv->tx_queue[0]->tx_bd_base,
+ priv->tx_queue[0]->tx_bd_dma_base);
skb_queue_purge(&priv->rx_recycle);
}
@@ -1785,7 +1795,7 @@ void gfar_start(struct net_device *dev)
}
void gfar_configure_coalescing(struct gfar_private *priv,
- unsigned long tx_mask, unsigned long rx_mask)
+ unsigned long tx_mask, unsigned long rx_mask)
{
struct gfar __iomem *regs = priv->gfargrp[0].regs;
u32 __iomem *baddr;
@@ -1795,11 +1805,11 @@ void gfar_configure_coalescing(struct gfar_private *priv,
* multiple queues, there's only single reg to program
*/
gfar_write(®s->txic, 0);
- if(likely(priv->tx_queue[0]->txcoalescing))
+ if (likely(priv->tx_queue[0]->txcoalescing))
gfar_write(®s->txic, priv->tx_queue[0]->txic);
gfar_write(®s->rxic, 0);
- if(unlikely(priv->rx_queue[0]->rxcoalescing))
+ if (unlikely(priv->rx_queue[0]->rxcoalescing))
gfar_write(®s->rxic, priv->rx_queue[0]->rxic);
if (priv->mode == MQ_MG_MODE) {
@@ -1834,8 +1844,8 @@ static int register_grp_irqs(struct gfar_priv_grp *grp)
/* Install our interrupt handlers for Error,
* Transmit, and Receive
*/
- if ((err = request_irq(grp->interruptError, gfar_error, 0,
- grp->int_name_er,grp)) < 0) {
+ if ((err = request_irq(grp->interruptError, gfar_error,
+ 0, grp->int_name_er, grp)) < 0) {
netif_err(priv, intr, dev, "Can't get IRQ %d\n",
grp->interruptError);
@@ -1843,21 +1853,21 @@ static int register_grp_irqs(struct gfar_priv_grp *grp)
}
if ((err = request_irq(grp->interruptTransmit, gfar_transmit,
- 0, grp->int_name_tx, grp)) < 0) {
+ 0, grp->int_name_tx, grp)) < 0) {
netif_err(priv, intr, dev, "Can't get IRQ %d\n",
grp->interruptTransmit);
goto tx_irq_fail;
}
- if ((err = request_irq(grp->interruptReceive, gfar_receive, 0,
- grp->int_name_rx, grp)) < 0) {
+ if ((err = request_irq(grp->interruptReceive, gfar_receive,
+ 0, grp->int_name_rx, grp)) < 0) {
netif_err(priv, intr, dev, "Can't get IRQ %d\n",
grp->interruptReceive);
goto rx_irq_fail;
}
} else {
- if ((err = request_irq(grp->interruptTransmit, gfar_interrupt, 0,
- grp->int_name_tx, grp)) < 0) {
+ if ((err = request_irq(grp->interruptTransmit, gfar_interrupt,
+ 0, grp->int_name_tx, grp)) < 0) {
netif_err(priv, intr, dev, "Can't get IRQ %d\n",
grp->interruptTransmit);
goto err_irq_fail;
@@ -1964,7 +1974,7 @@ static inline struct txfcb *gfar_add_fcb(struct sk_buff *skb)
}
static inline void gfar_tx_checksum(struct sk_buff *skb, struct txfcb *fcb,
- int fcb_length)
+ int fcb_length)
{
u8 flags = 0;
@@ -2001,7 +2011,7 @@ void inline gfar_tx_vlan(struct sk_buff *skb, struct txfcb *fcb)
}
static inline struct txbd8 *skip_txbd(struct txbd8 *bdp, int stride,
- struct txbd8 *base, int ring_size)
+ struct txbd8 *base, int ring_size)
{
struct txbd8 *new_bd = bdp + stride;
@@ -2009,7 +2019,7 @@ static inline struct txbd8 *skip_txbd(struct txbd8 *bdp, int stride,
}
static inline struct txbd8 *next_txbd(struct txbd8 *bdp, struct txbd8 *base,
- int ring_size)
+ int ring_size)
{
return skip_txbd(bdp, 1, base, ring_size);
}
@@ -2035,8 +2045,8 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
* before start of transmission.
*/
if (unlikely(gfar_has_errata(priv, GFAR_ERRATA_76) &&
- skb->ip_summed == CHECKSUM_PARTIAL &&
- skb->len > 2500)) {
+ skb->ip_summed == CHECKSUM_PARTIAL &&
+ skb->len > 2500)) {
int ret;
ret = skb_checksum_help(skb);
@@ -2052,16 +2062,16 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* check if time stamp should be generated */
if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP &&
- priv->hwts_tx_en)) {
+ priv->hwts_tx_en)) {
do_tstamp = 1;
fcb_length = GMAC_FCB_LEN + GMAC_TXPAL_LEN;
}
/* make space for additional header when fcb is needed */
if (((skb->ip_summed == CHECKSUM_PARTIAL) ||
- vlan_tx_tag_present(skb) ||
- unlikely(do_tstamp)) &&
- (skb_headroom(skb) < fcb_length)) {
+ vlan_tx_tag_present(skb) ||
+ unlikely(do_tstamp)) &&
+ (skb_headroom(skb) < fcb_length)) {
struct sk_buff *skb_new;
skb_new = skb_realloc_headroom(skb, fcb_length);
@@ -2105,12 +2115,12 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* Time stamp insertion requires one additional TxBD */
if (unlikely(do_tstamp))
txbdp_tstamp = txbdp = next_txbd(txbdp, base,
- tx_queue->tx_ring_size);
+ tx_queue->tx_ring_size);
if (nr_frags == 0) {
if (unlikely(do_tstamp))
txbdp_tstamp->lstatus |= BD_LFLAG(TXBD_LAST |
- TXBD_INTERRUPT);
+ TXBD_INTERRUPT);
else
lstatus |= BD_LFLAG(TXBD_LAST | TXBD_INTERRUPT);
} else {
@@ -2122,7 +2132,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
length = skb_shinfo(skb)->frags[i].size;
lstatus = txbdp->lstatus | length |
- BD_LFLAG(TXBD_READY);
+ BD_LFLAG(TXBD_READY);
/* Handle the last BD specially */
if (i == nr_frags - 1)
@@ -2152,8 +2162,8 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (CHECKSUM_PARTIAL == skb->ip_summed) {
fcb = gfar_add_fcb(skb);
/* as specified by errata */
- if (unlikely(gfar_has_errata(priv, GFAR_ERRATA_12)
- && ((unsigned long)fcb % 0x20) > 0x18)) {
+ if (unlikely(gfar_has_errata(priv, GFAR_ERRATA_12) &&
+ ((unsigned long)fcb % 0x20) > 0x18)) {
__skb_pull(skb, GMAC_FCB_LEN);
skb_checksum_help(skb);
} else {
@@ -2181,7 +2191,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
txbdp_start->bufPtr = dma_map_single(&priv->ofdev->dev, skb->data,
- skb_headlen(skb), DMA_TO_DEVICE);
+ skb_headlen(skb), DMA_TO_DEVICE);
/* If time stamping is requested one additional TxBD must be set up. The
* first TxBD points to the FCB and must have a data length of
@@ -2191,7 +2201,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (unlikely(do_tstamp)) {
txbdp_tstamp->bufPtr = txbdp_start->bufPtr + fcb_length;
txbdp_tstamp->lstatus |= BD_LFLAG(TXBD_READY) |
- (skb_headlen(skb) - fcb_length);
+ (skb_headlen(skb) - fcb_length);
lstatus |= BD_LFLAG(TXBD_CRC | TXBD_READY) | GMAC_FCB_LEN;
} else {
lstatus |= BD_LFLAG(TXBD_CRC | TXBD_READY) | skb_headlen(skb);
@@ -2231,7 +2241,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
* (wrapping if necessary)
*/
tx_queue->skb_curtx = (tx_queue->skb_curtx + 1) &
- TX_RING_MOD_MASK(tx_queue->tx_ring_size);
+ TX_RING_MOD_MASK(tx_queue->tx_ring_size);
tx_queue->cur_tx = next_txbd(txbdp, base, tx_queue->tx_ring_size);
@@ -2365,9 +2375,8 @@ static int gfar_change_mtu(struct net_device *dev, int new_mtu)
frame_size += priv->padding;
- tempsize =
- (frame_size & ~(INCREMENTAL_BUFFER_SIZE - 1)) +
- INCREMENTAL_BUFFER_SIZE;
+ tempsize = (frame_size & ~(INCREMENTAL_BUFFER_SIZE - 1)) +
+ INCREMENTAL_BUFFER_SIZE;
/* Only stop and start the controller if it isn't already
* stopped, and we changed something
@@ -2389,7 +2398,7 @@ static int gfar_change_mtu(struct net_device *dev, int new_mtu)
tempval = gfar_read(®s->maccfg2);
if (priv->rx_buffer_size > DEFAULT_RX_BUFFER_SIZE ||
- gfar_has_errata(priv, GFAR_ERRATA_74))
+ gfar_has_errata(priv, GFAR_ERRATA_74))
tempval |= (MACCFG2_HUGEFRAME | MACCFG2_LENGTHCHECK);
else
tempval &= ~(MACCFG2_HUGEFRAME | MACCFG2_LENGTHCHECK);
@@ -2410,7 +2419,7 @@ static int gfar_change_mtu(struct net_device *dev, int new_mtu)
static void gfar_reset_task(struct work_struct *work)
{
struct gfar_private *priv = container_of(work, struct gfar_private,
- reset_task);
+ reset_task);
struct net_device *dev = priv->ndev;
if (dev->flags & IFF_UP) {
@@ -2437,7 +2446,7 @@ static void gfar_align_skb(struct sk_buff *skb)
* as many bytes as needed to align the data properly
*/
skb_reserve(skb, RXBUF_ALIGNMENT -
- (((unsigned long) skb->data) & (RXBUF_ALIGNMENT - 1)));
+ (((unsigned long) skb->data) & (RXBUF_ALIGNMENT - 1)));
}
/* Interrupt Handler for Transmit complete */
@@ -2485,7 +2494,7 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
/* Only clean completed frames */
if ((lstatus & BD_LFLAG(TXBD_READY)) &&
- (lstatus & BD_LENGTH_MASK))
+ (lstatus & BD_LENGTH_MASK))
break;
if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS)) {
@@ -2495,11 +2504,12 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
buflen = bdp->length;
dma_unmap_single(&priv->ofdev->dev, bdp->bufPtr,
- buflen, DMA_TO_DEVICE);
+ buflen, DMA_TO_DEVICE);
if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS)) {
struct skb_shared_hwtstamps shhwtstamps;
u64 *ns = (u64*) (((u32)skb->data + 0x10) & ~0x7);
+
memset(&shhwtstamps, 0, sizeof(shhwtstamps));
shhwtstamps.hwtstamp = ns_to_ktime(*ns);
skb_pull(skb, GMAC_FCB_LEN + GMAC_TXPAL_LEN);
@@ -2512,10 +2522,8 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
bdp = next_txbd(bdp, base, tx_ring_size);
for (i = 0; i < frags; i++) {
- dma_unmap_page(&priv->ofdev->dev,
- bdp->bufPtr,
- bdp->length,
- DMA_TO_DEVICE);
+ dma_unmap_page(&priv->ofdev->dev, bdp->bufPtr,
+ bdp->length, DMA_TO_DEVICE);
bdp->lstatus &= BD_LFLAG(TXBD_WRAP);
bdp = next_txbd(bdp, base, tx_ring_size);
}
@@ -2526,8 +2534,8 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
* we add this skb back into the pool, if it's the right size
*/
if (skb_queue_len(&priv->rx_recycle) < rx_queue->rx_ring_size &&
- skb_recycle_check(skb, priv->rx_buffer_size +
- RXBUF_ALIGNMENT)) {
+ skb_recycle_check(skb, priv->rx_buffer_size +
+ RXBUF_ALIGNMENT)) {
gfar_align_skb(skb);
skb_queue_head(&priv->rx_recycle, skb);
} else
@@ -2536,7 +2544,7 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
tx_queue->tx_skbuff[skb_dirtytx] = NULL;
skb_dirtytx = (skb_dirtytx + 1) &
- TX_RING_MOD_MASK(tx_ring_size);
+ TX_RING_MOD_MASK(tx_ring_size);
howmany++;
spin_lock_irqsave(&tx_queue->txlock, flags);
@@ -2583,7 +2591,7 @@ static irqreturn_t gfar_transmit(int irq, void *grp_id)
}
static void gfar_new_rxbdp(struct gfar_priv_rx_q *rx_queue, struct rxbd8 *bdp,
- struct sk_buff *skb)
+ struct sk_buff *skb)
{
struct net_device *dev = rx_queue->dev;
struct gfar_private *priv = netdev_priv(dev);
@@ -2700,6 +2708,7 @@ static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb,
if (priv->hwts_rx_en) {
struct skb_shared_hwtstamps *shhwtstamps = skb_hwtstamps(skb);
u64 *ns = (u64 *) skb->data;
+
memset(shhwtstamps, 0, sizeof(*shhwtstamps));
shhwtstamps->hwtstamp = ns_to_ktime(*ns);
}
@@ -2752,6 +2761,7 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
while (!((bdp->status & RXBD_EMPTY) || (--rx_work_limit < 0))) {
struct sk_buff *newskb;
+
rmb();
/* Add another skb for the future */
@@ -2760,15 +2770,15 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
skb = rx_queue->rx_skbuff[rx_queue->skb_currx];
dma_unmap_single(&priv->ofdev->dev, bdp->bufPtr,
- priv->rx_buffer_size, DMA_FROM_DEVICE);
+ priv->rx_buffer_size, DMA_FROM_DEVICE);
if (unlikely(!(bdp->status & RXBD_ERR) &&
- bdp->length > priv->rx_buffer_size))
+ bdp->length > priv->rx_buffer_size))
bdp->status = RXBD_LARGE;
/* We drop the frame if we failed to allocate a new buffer */
if (unlikely(!newskb || !(bdp->status & RXBD_LAST) ||
- bdp->status & RXBD_ERR)) {
+ bdp->status & RXBD_ERR)) {
count_errors(bdp->status, dev);
if (unlikely(!newskb))
@@ -2787,7 +2797,7 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
rx_queue->stats.rx_bytes += pkt_len;
skb_record_rx_queue(skb, rx_queue->qindex);
gfar_process_frame(dev, skb, amount_pull,
- &rx_queue->grp->napi);
+ &rx_queue->grp->napi);
} else {
netif_warn(priv, rx_err, dev, "Missing skb!\n");
@@ -2806,9 +2816,8 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
bdp = next_bd(bdp, base, rx_queue->rx_ring_size);
/* update to point at the next skb */
- rx_queue->skb_currx =
- (rx_queue->skb_currx + 1) &
- RX_RING_MOD_MASK(rx_queue->rx_ring_size);
+ rx_queue->skb_currx = (rx_queue->skb_currx + 1) &
+ RX_RING_MOD_MASK(rx_queue->rx_ring_size);
}
/* Update the current rxbd pointer to be the next one */
@@ -2819,8 +2828,8 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
static int gfar_poll(struct napi_struct *napi, int budget)
{
- struct gfar_priv_grp *gfargrp = container_of(napi,
- struct gfar_priv_grp, napi);
+ struct gfar_priv_grp *gfargrp =
+ container_of(napi, struct gfar_priv_grp, napi);
struct gfar_private *priv = gfargrp->priv;
struct gfar __iomem *regs = gfargrp->regs;
struct gfar_priv_tx_q *tx_queue = NULL;
@@ -2839,7 +2848,6 @@ static int gfar_poll(struct napi_struct *napi, int budget)
gfar_write(®s->ievent, IEVENT_RTX_MASK);
while (num_queues && left_over_budget) {
-
budget_per_queue = left_over_budget/num_queues;
left_over_budget = 0;
@@ -2850,12 +2858,13 @@ static int gfar_poll(struct napi_struct *napi, int budget)
tx_queue = priv->tx_queue[rx_queue->qindex];
tx_cleaned += gfar_clean_tx_ring(tx_queue);
- rx_cleaned_per_queue = gfar_clean_rx_ring(rx_queue,
- budget_per_queue);
+ rx_cleaned_per_queue =
+ gfar_clean_rx_ring(rx_queue, budget_per_queue);
rx_cleaned += rx_cleaned_per_queue;
- if(rx_cleaned_per_queue < budget_per_queue) {
+ if (rx_cleaned_per_queue < budget_per_queue) {
left_over_budget = left_over_budget +
- (budget_per_queue - rx_cleaned_per_queue);
+ (budget_per_queue -
+ rx_cleaned_per_queue);
set_bit(i, &serviced_queues);
num_queues--;
}
@@ -2876,8 +2885,8 @@ static int gfar_poll(struct napi_struct *napi, int budget)
/* If we are coalescing interrupts, update the timer
* Otherwise, clear it
*/
- gfar_configure_coalescing(priv,
- gfargrp->rx_bit_map, gfargrp->tx_bit_map);
+ gfar_configure_coalescing(priv, gfargrp->rx_bit_map,
+ gfargrp->tx_bit_map);
}
return rx_cleaned;
@@ -2900,7 +2909,7 @@ static void gfar_netpoll(struct net_device *dev)
disable_irq(priv->gfargrp[i].interruptReceive);
disable_irq(priv->gfargrp[i].interruptError);
gfar_interrupt(priv->gfargrp[i].interruptTransmit,
- &priv->gfargrp[i]);
+ &priv->gfargrp[i]);
enable_irq(priv->gfargrp[i].interruptError);
enable_irq(priv->gfargrp[i].interruptReceive);
enable_irq(priv->gfargrp[i].interruptTransmit);
@@ -2909,7 +2918,7 @@ static void gfar_netpoll(struct net_device *dev)
for (i = 0; i < priv->num_grps; i++) {
disable_irq(priv->gfargrp[i].interruptTransmit);
gfar_interrupt(priv->gfargrp[i].interruptTransmit,
- &priv->gfargrp[i]);
+ &priv->gfargrp[i]);
enable_irq(priv->gfargrp[i].interruptTransmit);
}
}
@@ -3125,7 +3134,7 @@ static void gfar_clear_exact_match(struct net_device *dev)
int idx;
static const u8 zero_arr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
- for(idx = 1;idx < GFAR_EM_NUM + 1;idx++)
+ for (idx = 1; idx < GFAR_EM_NUM + 1; idx++)
gfar_set_mac_for_addr(dev, idx, zero_arr);
}
@@ -3208,7 +3217,8 @@ static irqreturn_t gfar_error(int irq, void *grp_id)
/* Hmm... */
if (netif_msg_rx_err(priv) || netif_msg_tx_err(priv))
- netdev_dbg(dev, "error interrupt (ievent=0x%08x imask=0x%08x)\n",
+ netdev_dbg(dev,
+ "error interrupt (ievent=0x%08x imask=0x%08x)\n",
events, gfar_read(®s->imask));
/* Update the error counters */
--
1.7.9.5
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH v3 net-next 4/5] gianfar: Remove superfluous initialisations
2012-06-05 13:42 [PATCH v3 net-next 0/5] gianfar: coding style cleanups Jan Ceuleers
` (2 preceding siblings ...)
2012-06-05 13:42 ` [PATCH v3 net-next 3/5] gianfar: various coding style and whitespace cleanups Jan Ceuleers
@ 2012-06-05 13:42 ` Jan Ceuleers
2012-06-05 13:42 ` [PATCH v3 net-next 5/5] gianfar_ethtool: coding style and whitespace cleanups Jan Ceuleers
2012-06-05 22:38 ` [PATCH v3 net-next 0/5] gianfar: coding style cleanups David Miller
5 siblings, 0 replies; 7+ messages in thread
From: Jan Ceuleers @ 2012-06-05 13:42 UTC (permalink / raw)
To: David S. Miller; +Cc: Jiajun Wu, Joe Perches, netdev
Signed-off-by: Jan Ceuleers <jan.ceuleers@computer.org>
---
drivers/net/ethernet/freescale/gianfar.c | 30 ++++++++++++++----------------
1 file changed, 14 insertions(+), 16 deletions(-)
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index ed0b136..f00a095 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -428,7 +428,7 @@ static struct net_device_stats *gfar_get_stats(struct net_device *dev)
struct gfar_private *priv = netdev_priv(dev);
unsigned long rx_packets = 0, rx_bytes = 0, rx_dropped = 0;
unsigned long tx_packets = 0, tx_bytes = 0;
- int i = 0;
+ int i;
for (i = 0; i < priv->num_rx_queues; i++) {
rx_packets += priv->rx_queue[i]->stats.rx_packets;
@@ -470,7 +470,7 @@ static const struct net_device_ops gfar_netdev_ops = {
void lock_rx_qs(struct gfar_private *priv)
{
- int i = 0x0;
+ int i;
for (i = 0; i < priv->num_rx_queues; i++)
spin_lock(&priv->rx_queue[i]->rxlock);
@@ -478,7 +478,7 @@ void lock_rx_qs(struct gfar_private *priv)
void lock_tx_qs(struct gfar_private *priv)
{
- int i = 0x0;
+ int i;
for (i = 0; i < priv->num_tx_queues; i++)
spin_lock(&priv->tx_queue[i]->txlock);
@@ -486,7 +486,7 @@ void lock_tx_qs(struct gfar_private *priv)
void unlock_rx_qs(struct gfar_private *priv)
{
- int i = 0x0;
+ int i;
for (i = 0; i < priv->num_rx_queues; i++)
spin_unlock(&priv->rx_queue[i]->rxlock);
@@ -494,7 +494,7 @@ void unlock_rx_qs(struct gfar_private *priv)
void unlock_tx_qs(struct gfar_private *priv)
{
- int i = 0x0;
+ int i;
for (i = 0; i < priv->num_tx_queues; i++)
spin_unlock(&priv->tx_queue[i]->txlock);
@@ -516,7 +516,7 @@ static inline int gfar_uses_fcb(struct gfar_private *priv)
static void free_tx_pointers(struct gfar_private *priv)
{
- int i = 0;
+ int i;
for (i = 0; i < priv->num_tx_queues; i++)
kfree(priv->tx_queue[i]);
@@ -524,7 +524,7 @@ static void free_tx_pointers(struct gfar_private *priv)
static void free_rx_pointers(struct gfar_private *priv)
{
- int i = 0;
+ int i;
for (i = 0; i < priv->num_rx_queues; i++)
kfree(priv->rx_queue[i]);
@@ -532,7 +532,7 @@ static void free_rx_pointers(struct gfar_private *priv)
static void unmap_group_regs(struct gfar_private *priv)
{
- int i = 0;
+ int i;
for (i = 0; i < MAXGROUPS; i++)
if (priv->gfargrp[i].regs)
@@ -541,7 +541,7 @@ static void unmap_group_regs(struct gfar_private *priv)
static void disable_napi(struct gfar_private *priv)
{
- int i = 0;
+ int i;
for (i = 0; i < priv->num_grps; i++)
napi_disable(&priv->gfargrp[i].napi);
@@ -549,7 +549,7 @@ static void disable_napi(struct gfar_private *priv)
static void enable_napi(struct gfar_private *priv)
{
- int i = 0;
+ int i;
for (i = 0; i < priv->num_grps; i++)
napi_enable(&priv->gfargrp[i].napi);
@@ -1514,7 +1514,7 @@ static void init_registers(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
struct gfar __iomem *regs = NULL;
- int i = 0;
+ int i;
for (i = 0; i < priv->num_grps; i++) {
regs = priv->gfargrp[i].regs;
@@ -1589,7 +1589,7 @@ static void gfar_halt_nodisable(struct net_device *dev)
struct gfar_private *priv = netdev_priv(dev);
struct gfar __iomem *regs = NULL;
u32 tempval;
- int i = 0;
+ int i;
for (i = 0; i < priv->num_grps; i++) {
regs = priv->gfargrp[i].regs;
@@ -1976,13 +1976,11 @@ static inline struct txfcb *gfar_add_fcb(struct sk_buff *skb)
static inline void gfar_tx_checksum(struct sk_buff *skb, struct txfcb *fcb,
int fcb_length)
{
- u8 flags = 0;
-
/* If we're here, it's a IP packet with a TCP or UDP
* payload. We set it to checksum, using a pseudo-header
* we provide
*/
- flags = TXFCB_DEFAULT;
+ u8 flags = TXFCB_DEFAULT;
/* Tell the controller what the protocol is
* And provide the already calculated phcs
@@ -2900,7 +2898,7 @@ static int gfar_poll(struct napi_struct *napi, int budget)
static void gfar_netpoll(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
- int i = 0;
+ int i;
/* If the device has multiple interrupts, run tx/rx */
if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
--
1.7.9.5
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH v3 net-next 5/5] gianfar_ethtool: coding style and whitespace cleanups
2012-06-05 13:42 [PATCH v3 net-next 0/5] gianfar: coding style cleanups Jan Ceuleers
` (3 preceding siblings ...)
2012-06-05 13:42 ` [PATCH v3 net-next 4/5] gianfar: Remove superfluous initialisations Jan Ceuleers
@ 2012-06-05 13:42 ` Jan Ceuleers
2012-06-05 22:38 ` [PATCH v3 net-next 0/5] gianfar: coding style cleanups David Miller
5 siblings, 0 replies; 7+ messages in thread
From: Jan Ceuleers @ 2012-06-05 13:42 UTC (permalink / raw)
To: David S. Miller; +Cc: Jiajun Wu, Joe Perches, netdev
Signed-off-by: Jan Ceuleers <jan.ceuleers@computer.org>
---
drivers/net/ethernet/freescale/gianfar_ethtool.c | 420 ++++++++++++----------
1 file changed, 224 insertions(+), 196 deletions(-)
diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c
index 8a02557..8971921 100644
--- a/drivers/net/ethernet/freescale/gianfar_ethtool.c
+++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c
@@ -46,18 +46,24 @@
#include "gianfar.h"
extern void gfar_start(struct net_device *dev);
-extern int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit);
+extern int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue,
+ int rx_work_limit);
#define GFAR_MAX_COAL_USECS 0xffff
#define GFAR_MAX_COAL_FRAMES 0xff
static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
- u64 * buf);
+ u64 *buf);
static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf);
-static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals);
-static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals);
-static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals);
-static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals);
-static void gfar_gdrvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo);
+static int gfar_gcoalesce(struct net_device *dev,
+ struct ethtool_coalesce *cvals);
+static int gfar_scoalesce(struct net_device *dev,
+ struct ethtool_coalesce *cvals);
+static void gfar_gringparam(struct net_device *dev,
+ struct ethtool_ringparam *rvals);
+static int gfar_sringparam(struct net_device *dev,
+ struct ethtool_ringparam *rvals);
+static void gfar_gdrvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *drvinfo);
static const char stat_gstrings[][ETH_GSTRING_LEN] = {
"rx-dropped-by-kernel",
@@ -130,14 +136,15 @@ static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf)
memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN);
else
memcpy(buf, stat_gstrings,
- GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN);
+ GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN);
}
/* Fill in an array of 64-bit statistics from various sources.
* This array will be appended to the end of the ethtool_stats
* structure, and returned to user space
*/
-static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, u64 * buf)
+static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
+ u64 *buf)
{
int i;
struct gfar_private *priv = netdev_priv(dev);
@@ -174,8 +181,8 @@ static int gfar_sset_count(struct net_device *dev, int sset)
}
/* Fills in the drvinfo structure with some basic info */
-static void gfar_gdrvinfo(struct net_device *dev, struct
- ethtool_drvinfo *drvinfo)
+static void gfar_gdrvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *drvinfo)
{
strncpy(drvinfo->driver, DRV_NAME, GFAR_INFOSTR_LEN);
strncpy(drvinfo->version, gfar_driver_version, GFAR_INFOSTR_LEN);
@@ -226,7 +233,8 @@ static int gfar_reglen(struct net_device *dev)
}
/* Return a dump of the GFAR register space */
-static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf)
+static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs,
+ void *regbuf)
{
int i;
struct gfar_private *priv = netdev_priv(dev);
@@ -239,7 +247,8 @@ static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, voi
/* Convert microseconds to ethernet clock ticks, which changes
* depending on what speed the controller is running at */
-static unsigned int gfar_usecs2ticks(struct gfar_private *priv, unsigned int usecs)
+static unsigned int gfar_usecs2ticks(struct gfar_private *priv,
+ unsigned int usecs)
{
unsigned int count;
@@ -263,7 +272,8 @@ static unsigned int gfar_usecs2ticks(struct gfar_private *priv, unsigned int use
}
/* Convert ethernet clock ticks to microseconds */
-static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int ticks)
+static unsigned int gfar_ticks2usecs(struct gfar_private *priv,
+ unsigned int ticks)
{
unsigned int count;
@@ -288,7 +298,8 @@ static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int tic
/* Get the coalescing parameters, and put them in the cvals
* structure. */
-static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
+static int gfar_gcoalesce(struct net_device *dev,
+ struct ethtool_coalesce *cvals)
{
struct gfar_private *priv = netdev_priv(dev);
struct gfar_priv_rx_q *rx_queue = NULL;
@@ -353,7 +364,8 @@ static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
* Both cvals->*_usecs and cvals->*_frames have to be > 0
* in order for coalescing to be active
*/
-static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
+static int gfar_scoalesce(struct net_device *dev,
+ struct ethtool_coalesce *cvals)
{
struct gfar_private *priv = netdev_priv(dev);
int i = 0;
@@ -364,7 +376,8 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
/* Set up rx coalescing */
/* As of now, we will enable/disable coalescing for all
* queues together in case of eTSEC2, this will be modified
- * along with the ethtool interface */
+ * along with the ethtool interface
+ */
if ((cvals->rx_coalesce_usecs == 0) ||
(cvals->rx_max_coalesced_frames == 0)) {
for (i = 0; i < priv->num_rx_queues; i++)
@@ -433,7 +446,8 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
/* Fills in rvals with the current ring parameters. Currently,
* rx, rx_mini, and rx_jumbo rings are the same size, as mini and
* jumbo are ignored by the driver */
-static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals)
+static void gfar_gringparam(struct net_device *dev,
+ struct ethtool_ringparam *rvals)
{
struct gfar_private *priv = netdev_priv(dev);
struct gfar_priv_tx_q *tx_queue = NULL;
@@ -459,8 +473,10 @@ static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rv
/* Change the current ring parameters, stopping the controller if
* necessary so that we don't mess things up while we're in
* motion. We wait for the ring to be clean before reallocating
- * the rings. */
-static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals)
+ * the rings.
+ */
+static int gfar_sringparam(struct net_device *dev,
+ struct ethtool_ringparam *rvals)
{
struct gfar_private *priv = netdev_priv(dev);
int err = 0, i = 0;
@@ -486,7 +502,8 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva
unsigned long flags;
/* Halt TX and RX, and process the frames which
- * have already been received */
+ * have already been received
+ */
local_irq_save(flags);
lock_tx_qs(priv);
lock_rx_qs(priv);
@@ -499,7 +516,7 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva
for (i = 0; i < priv->num_rx_queues; i++)
gfar_clean_rx_ring(priv->rx_queue[i],
- priv->rx_queue[i]->rx_ring_size);
+ priv->rx_queue[i]->rx_ring_size);
/* Now we take down the rings to rebuild them */
stop_gfar(dev);
@@ -509,7 +526,8 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva
for (i = 0; i < priv->num_rx_queues; i++) {
priv->rx_queue[i]->rx_ring_size = rvals->rx_pending;
priv->tx_queue[i]->tx_ring_size = rvals->tx_pending;
- priv->tx_queue[i]->num_txbdfree = priv->tx_queue[i]->tx_ring_size;
+ priv->tx_queue[i]->num_txbdfree =
+ priv->tx_queue[i]->tx_ring_size;
}
/* Rebuild the rings with the new size */
@@ -535,7 +553,8 @@ int gfar_set_features(struct net_device *dev, netdev_features_t features)
if (dev->flags & IFF_UP) {
/* Halt TX and RX, and process the frames which
- * have already been received */
+ * have already been received
+ */
local_irq_save(flags);
lock_tx_qs(priv);
lock_rx_qs(priv);
@@ -548,7 +567,7 @@ int gfar_set_features(struct net_device *dev, netdev_features_t features)
for (i = 0; i < priv->num_rx_queues; i++)
gfar_clean_rx_ring(priv->rx_queue[i],
- priv->rx_queue[i]->rx_ring_size);
+ priv->rx_queue[i]->rx_ring_size);
/* Now we take down the rings to rebuild them */
stop_gfar(dev);
@@ -564,12 +583,14 @@ int gfar_set_features(struct net_device *dev, netdev_features_t features)
static uint32_t gfar_get_msglevel(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
+
return priv->msg_enable;
}
static void gfar_set_msglevel(struct net_device *dev, uint32_t data)
{
struct gfar_private *priv = netdev_priv(dev);
+
priv->msg_enable = data;
}
@@ -614,14 +635,14 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & RXH_L2DA) {
fcr = RQFCR_PID_DAH |RQFCR_CMP_NOMATCH |
- RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
+ RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
priv->cur_filer_idx = priv->cur_filer_idx - 1;
fcr = RQFCR_PID_DAL | RQFCR_AND | RQFCR_CMP_NOMATCH |
- RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
+ RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
@@ -630,7 +651,7 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & RXH_VLAN) {
fcr = RQFCR_PID_VID | RQFCR_CMP_NOMATCH | RQFCR_HASH |
- RQFCR_AND | RQFCR_HASHTBL_0;
+ RQFCR_AND | RQFCR_HASHTBL_0;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
@@ -639,7 +660,7 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & RXH_IP_SRC) {
fcr = RQFCR_PID_SIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
- RQFCR_AND | RQFCR_HASHTBL_0;
+ RQFCR_AND | RQFCR_HASHTBL_0;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
@@ -648,7 +669,7 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & (RXH_IP_DST)) {
fcr = RQFCR_PID_DIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
- RQFCR_AND | RQFCR_HASHTBL_0;
+ RQFCR_AND | RQFCR_HASHTBL_0;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
@@ -657,7 +678,7 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & RXH_L3_PROTO) {
fcr = RQFCR_PID_L4P | RQFCR_CMP_NOMATCH | RQFCR_HASH |
- RQFCR_AND | RQFCR_HASHTBL_0;
+ RQFCR_AND | RQFCR_HASHTBL_0;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
@@ -666,7 +687,7 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & RXH_L4_B_0_1) {
fcr = RQFCR_PID_SPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
- RQFCR_AND | RQFCR_HASHTBL_0;
+ RQFCR_AND | RQFCR_HASHTBL_0;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
@@ -675,7 +696,7 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & RXH_L4_B_2_3) {
fcr = RQFCR_PID_DPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
- RQFCR_AND | RQFCR_HASHTBL_0;
+ RQFCR_AND | RQFCR_HASHTBL_0;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
@@ -683,7 +704,8 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
}
}
-static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u64 class)
+static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow,
+ u64 class)
{
unsigned int last_rule_idx = priv->cur_filer_idx;
unsigned int cmp_rqfpr;
@@ -694,9 +716,9 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
int ret = 1;
local_rqfpr = kmalloc(sizeof(unsigned int) * (MAX_FILER_IDX + 1),
- GFP_KERNEL);
+ GFP_KERNEL);
local_rqfcr = kmalloc(sizeof(unsigned int) * (MAX_FILER_IDX + 1),
- GFP_KERNEL);
+ GFP_KERNEL);
if (!local_rqfpr || !local_rqfcr) {
pr_err("Out of memory\n");
ret = 0;
@@ -726,9 +748,9 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
local_rqfpr[j] = priv->ftp_rqfpr[i];
local_rqfcr[j] = priv->ftp_rqfcr[i];
j--;
- if ((priv->ftp_rqfcr[i] == (RQFCR_PID_PARSE |
- RQFCR_CLE |RQFCR_AND)) &&
- (priv->ftp_rqfpr[i] == cmp_rqfpr))
+ if ((priv->ftp_rqfcr[i] ==
+ (RQFCR_PID_PARSE | RQFCR_CLE | RQFCR_AND)) &&
+ (priv->ftp_rqfpr[i] == cmp_rqfpr))
break;
}
@@ -743,12 +765,12 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
*/
for (l = i+1; l < MAX_FILER_IDX; l++) {
if ((priv->ftp_rqfcr[l] & RQFCR_CLE) &&
- !(priv->ftp_rqfcr[l] & RQFCR_AND)) {
+ !(priv->ftp_rqfcr[l] & RQFCR_AND)) {
priv->ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT |
- RQFCR_HASHTBL_0 | RQFCR_PID_MASK;
+ RQFCR_HASHTBL_0 | RQFCR_PID_MASK;
priv->ftp_rqfpr[l] = FPR_FILER_MASK;
gfar_write_filer(priv, l, priv->ftp_rqfcr[l],
- priv->ftp_rqfpr[l]);
+ priv->ftp_rqfpr[l]);
break;
}
@@ -773,7 +795,7 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
priv->ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k];
priv->ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k];
gfar_write_filer(priv, priv->cur_filer_idx,
- local_rqfcr[k], local_rqfpr[k]);
+ local_rqfcr[k], local_rqfpr[k]);
if (!priv->cur_filer_idx)
break;
priv->cur_filer_idx = priv->cur_filer_idx - 1;
@@ -785,7 +807,8 @@ err:
return ret;
}
-static int gfar_set_hash_opts(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
+static int gfar_set_hash_opts(struct gfar_private *priv,
+ struct ethtool_rxnfc *cmd)
{
/* write the filer rules here */
if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type))
@@ -810,10 +833,10 @@ static int gfar_check_filer_hardware(struct gfar_private *priv)
i &= RCTRL_PRSDEP_MASK | RCTRL_PRSFM;
if (i == (RCTRL_PRSDEP_MASK | RCTRL_PRSFM)) {
netdev_info(priv->ndev,
- "Receive Queue Filtering enabled\n");
+ "Receive Queue Filtering enabled\n");
} else {
netdev_warn(priv->ndev,
- "Receive Queue Filtering disabled\n");
+ "Receive Queue Filtering disabled\n");
return -EOPNOTSUPP;
}
}
@@ -823,16 +846,17 @@ static int gfar_check_filer_hardware(struct gfar_private *priv)
i &= RCTRL_PRSDEP_MASK;
if (i == RCTRL_PRSDEP_MASK) {
netdev_info(priv->ndev,
- "Receive Queue Filtering enabled\n");
+ "Receive Queue Filtering enabled\n");
} else {
netdev_warn(priv->ndev,
- "Receive Queue Filtering disabled\n");
+ "Receive Queue Filtering disabled\n");
return -EOPNOTSUPP;
}
}
/* Sets the properties for arbitrary filer rule
- * to the first 4 Layer 4 Bytes */
+ * to the first 4 Layer 4 Bytes
+ */
regs->rbifx = 0xC0C1C2C3;
return 0;
}
@@ -870,14 +894,14 @@ static void gfar_set_mask(u32 mask, struct filer_table *tab)
static void gfar_set_parse_bits(u32 value, u32 mask, struct filer_table *tab)
{
gfar_set_mask(mask, tab);
- tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_PID_PARSE
- | RQFCR_AND;
+ tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_PID_PARSE |
+ RQFCR_AND;
tab->fe[tab->index].prop = value;
tab->index++;
}
static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag,
- struct filer_table *tab)
+ struct filer_table *tab)
{
gfar_set_mask(mask, tab);
tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_AND | flag;
@@ -885,8 +909,7 @@ static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag,
tab->index++;
}
-/*
- * For setting a tuple of value and mask of type flag
+/* For setting a tuple of value and mask of type flag
* Example:
* IP-Src = 10.0.0.0/255.0.0.0
* value: 0x0A000000 mask: FF000000 flag: RQFPR_IPV4
@@ -901,7 +924,7 @@ static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag,
* Further the all masks are one-padded for better hardware efficiency.
*/
static void gfar_set_attribute(u32 value, u32 mask, u32 flag,
- struct filer_table *tab)
+ struct filer_table *tab)
{
switch (flag) {
/* 3bit */
@@ -959,7 +982,8 @@ static void gfar_set_attribute(u32 value, u32 mask, u32 flag,
/* Translates value and mask for UDP, TCP or SCTP */
static void gfar_set_basic_ip(struct ethtool_tcpip4_spec *value,
- struct ethtool_tcpip4_spec *mask, struct filer_table *tab)
+ struct ethtool_tcpip4_spec *mask,
+ struct filer_table *tab)
{
gfar_set_attribute(value->ip4src, mask->ip4src, RQFCR_PID_SIA, tab);
gfar_set_attribute(value->ip4dst, mask->ip4dst, RQFCR_PID_DIA, tab);
@@ -970,97 +994,92 @@ static void gfar_set_basic_ip(struct ethtool_tcpip4_spec *value,
/* Translates value and mask for RAW-IP4 */
static void gfar_set_user_ip(struct ethtool_usrip4_spec *value,
- struct ethtool_usrip4_spec *mask, struct filer_table *tab)
+ struct ethtool_usrip4_spec *mask,
+ struct filer_table *tab)
{
gfar_set_attribute(value->ip4src, mask->ip4src, RQFCR_PID_SIA, tab);
gfar_set_attribute(value->ip4dst, mask->ip4dst, RQFCR_PID_DIA, tab);
gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab);
gfar_set_attribute(value->proto, mask->proto, RQFCR_PID_L4P, tab);
gfar_set_attribute(value->l4_4_bytes, mask->l4_4_bytes, RQFCR_PID_ARB,
- tab);
+ tab);
}
/* Translates value and mask for ETHER spec */
static void gfar_set_ether(struct ethhdr *value, struct ethhdr *mask,
- struct filer_table *tab)
+ struct filer_table *tab)
{
u32 upper_temp_mask = 0;
u32 lower_temp_mask = 0;
+
/* Source address */
if (!is_broadcast_ether_addr(mask->h_source)) {
-
if (is_zero_ether_addr(mask->h_source)) {
upper_temp_mask = 0xFFFFFFFF;
lower_temp_mask = 0xFFFFFFFF;
} else {
- upper_temp_mask = mask->h_source[0] << 16
- | mask->h_source[1] << 8
- | mask->h_source[2];
- lower_temp_mask = mask->h_source[3] << 16
- | mask->h_source[4] << 8
- | mask->h_source[5];
+ upper_temp_mask = mask->h_source[0] << 16 |
+ mask->h_source[1] << 8 |
+ mask->h_source[2];
+ lower_temp_mask = mask->h_source[3] << 16 |
+ mask->h_source[4] << 8 |
+ mask->h_source[5];
}
/* Upper 24bit */
- gfar_set_attribute(
- value->h_source[0] << 16 | value->h_source[1]
- << 8 | value->h_source[2],
- upper_temp_mask, RQFCR_PID_SAH, tab);
+ gfar_set_attribute(value->h_source[0] << 16 |
+ value->h_source[1] << 8 |
+ value->h_source[2],
+ upper_temp_mask, RQFCR_PID_SAH, tab);
/* And the same for the lower part */
- gfar_set_attribute(
- value->h_source[3] << 16 | value->h_source[4]
- << 8 | value->h_source[5],
- lower_temp_mask, RQFCR_PID_SAL, tab);
+ gfar_set_attribute(value->h_source[3] << 16 |
+ value->h_source[4] << 8 |
+ value->h_source[5],
+ lower_temp_mask, RQFCR_PID_SAL, tab);
}
/* Destination address */
if (!is_broadcast_ether_addr(mask->h_dest)) {
-
/* Special for destination is limited broadcast */
- if ((is_broadcast_ether_addr(value->h_dest)
- && is_zero_ether_addr(mask->h_dest))) {
+ if ((is_broadcast_ether_addr(value->h_dest) &&
+ is_zero_ether_addr(mask->h_dest))) {
gfar_set_parse_bits(RQFPR_EBC, RQFPR_EBC, tab);
} else {
-
if (is_zero_ether_addr(mask->h_dest)) {
upper_temp_mask = 0xFFFFFFFF;
lower_temp_mask = 0xFFFFFFFF;
} else {
- upper_temp_mask = mask->h_dest[0] << 16
- | mask->h_dest[1] << 8
- | mask->h_dest[2];
- lower_temp_mask = mask->h_dest[3] << 16
- | mask->h_dest[4] << 8
- | mask->h_dest[5];
+ upper_temp_mask = mask->h_dest[0] << 16 |
+ mask->h_dest[1] << 8 |
+ mask->h_dest[2];
+ lower_temp_mask = mask->h_dest[3] << 16 |
+ mask->h_dest[4] << 8 |
+ mask->h_dest[5];
}
/* Upper 24bit */
- gfar_set_attribute(
- value->h_dest[0] << 16
- | value->h_dest[1] << 8
- | value->h_dest[2],
- upper_temp_mask, RQFCR_PID_DAH, tab);
+ gfar_set_attribute(value->h_dest[0] << 16 |
+ value->h_dest[1] << 8 |
+ value->h_dest[2],
+ upper_temp_mask, RQFCR_PID_DAH, tab);
/* And the same for the lower part */
- gfar_set_attribute(
- value->h_dest[3] << 16
- | value->h_dest[4] << 8
- | value->h_dest[5],
- lower_temp_mask, RQFCR_PID_DAL, tab);
+ gfar_set_attribute(value->h_dest[3] << 16 |
+ value->h_dest[4] << 8 |
+ value->h_dest[5],
+ lower_temp_mask, RQFCR_PID_DAL, tab);
}
}
gfar_set_attribute(value->h_proto, mask->h_proto, RQFCR_PID_ETY, tab);
-
}
/* Convert a rule to binary filter format of gianfar */
static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
- struct filer_table *tab)
+ struct filer_table *tab)
{
u32 vlan = 0, vlan_mask = 0;
u32 id = 0, id_mask = 0;
u32 cfi = 0, cfi_mask = 0;
u32 prio = 0, prio_mask = 0;
-
u32 old_index = tab->index;
/* Check if vlan is wanted */
@@ -1076,13 +1095,16 @@ static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
id_mask = rule->m_ext.vlan_tci & VLAN_VID_MASK;
cfi = rule->h_ext.vlan_tci & VLAN_CFI_MASK;
cfi_mask = rule->m_ext.vlan_tci & VLAN_CFI_MASK;
- prio = (rule->h_ext.vlan_tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
- prio_mask = (rule->m_ext.vlan_tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
+ prio = (rule->h_ext.vlan_tci & VLAN_PRIO_MASK) >>
+ VLAN_PRIO_SHIFT;
+ prio_mask = (rule->m_ext.vlan_tci & VLAN_PRIO_MASK) >>
+ VLAN_PRIO_SHIFT;
if (cfi == VLAN_TAG_PRESENT && cfi_mask == VLAN_TAG_PRESENT) {
vlan |= RQFPR_CFI;
vlan_mask |= RQFPR_CFI;
- } else if (cfi != VLAN_TAG_PRESENT && cfi_mask == VLAN_TAG_PRESENT) {
+ } else if (cfi != VLAN_TAG_PRESENT &&
+ cfi_mask == VLAN_TAG_PRESENT) {
vlan_mask |= RQFPR_CFI;
}
}
@@ -1090,34 +1112,36 @@ static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
switch (rule->flow_type & ~FLOW_EXT) {
case TCP_V4_FLOW:
gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_TCP | vlan,
- RQFPR_IPV4 | RQFPR_TCP | vlan_mask, tab);
+ RQFPR_IPV4 | RQFPR_TCP | vlan_mask, tab);
gfar_set_basic_ip(&rule->h_u.tcp_ip4_spec,
- &rule->m_u.tcp_ip4_spec, tab);
+ &rule->m_u.tcp_ip4_spec, tab);
break;
case UDP_V4_FLOW:
gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_UDP | vlan,
- RQFPR_IPV4 | RQFPR_UDP | vlan_mask, tab);
+ RQFPR_IPV4 | RQFPR_UDP | vlan_mask, tab);
gfar_set_basic_ip(&rule->h_u.udp_ip4_spec,
- &rule->m_u.udp_ip4_spec, tab);
+ &rule->m_u.udp_ip4_spec, tab);
break;
case SCTP_V4_FLOW:
gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
- tab);
+ tab);
gfar_set_attribute(132, 0, RQFCR_PID_L4P, tab);
- gfar_set_basic_ip((struct ethtool_tcpip4_spec *) &rule->h_u,
- (struct ethtool_tcpip4_spec *) &rule->m_u, tab);
+ gfar_set_basic_ip((struct ethtool_tcpip4_spec *)&rule->h_u,
+ (struct ethtool_tcpip4_spec *)&rule->m_u,
+ tab);
break;
case IP_USER_FLOW:
gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
- tab);
+ tab);
gfar_set_user_ip((struct ethtool_usrip4_spec *) &rule->h_u,
- (struct ethtool_usrip4_spec *) &rule->m_u, tab);
+ (struct ethtool_usrip4_spec *) &rule->m_u,
+ tab);
break;
case ETHER_FLOW:
if (vlan)
gfar_set_parse_bits(vlan, vlan_mask, tab);
gfar_set_ether((struct ethhdr *) &rule->h_u,
- (struct ethhdr *) &rule->m_u, tab);
+ (struct ethhdr *) &rule->m_u, tab);
break;
default:
return -1;
@@ -1152,7 +1176,9 @@ static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
tab->fe[tab->index - 1].ctrl |= RQFCR_CLE;
}
- /* In rare cases the cache can be full while there is free space in hw */
+ /* In rare cases the cache can be full while there is
+ * free space in hw
+ */
if (tab->index > MAX_FILER_CACHE_IDX - 1)
return -EBUSY;
@@ -1161,7 +1187,7 @@ static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
/* Copy size filer entries */
static void gfar_copy_filer_entries(struct gfar_filer_entry dst[0],
- struct gfar_filer_entry src[0], s32 size)
+ struct gfar_filer_entry src[0], s32 size)
{
while (size > 0) {
size--;
@@ -1171,10 +1197,12 @@ static void gfar_copy_filer_entries(struct gfar_filer_entry dst[0],
}
/* Delete the contents of the filer-table between start and end
- * and collapse them */
+ * and collapse them
+ */
static int gfar_trim_filer_entries(u32 begin, u32 end, struct filer_table *tab)
{
int length;
+
if (end > MAX_FILER_CACHE_IDX || end < begin)
return -EINVAL;
@@ -1200,14 +1228,14 @@ static int gfar_trim_filer_entries(u32 begin, u32 end, struct filer_table *tab)
/* Make space on the wanted location */
static int gfar_expand_filer_entries(u32 begin, u32 length,
- struct filer_table *tab)
+ struct filer_table *tab)
{
- if (length == 0 || length + tab->index > MAX_FILER_CACHE_IDX || begin
- > MAX_FILER_CACHE_IDX)
+ if (length == 0 || length + tab->index > MAX_FILER_CACHE_IDX ||
+ begin > MAX_FILER_CACHE_IDX)
return -EINVAL;
gfar_copy_filer_entries(&(tab->fe[begin + length]), &(tab->fe[begin]),
- tab->index - length + 1);
+ tab->index - length + 1);
tab->index += length;
return 0;
@@ -1215,9 +1243,10 @@ static int gfar_expand_filer_entries(u32 begin, u32 length,
static int gfar_get_next_cluster_start(int start, struct filer_table *tab)
{
- for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1); start++) {
- if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE))
- == (RQFCR_AND | RQFCR_CLE))
+ for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1);
+ start++) {
+ if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE)) ==
+ (RQFCR_AND | RQFCR_CLE))
return start;
}
return -1;
@@ -1225,16 +1254,16 @@ static int gfar_get_next_cluster_start(int start, struct filer_table *tab)
static int gfar_get_next_cluster_end(int start, struct filer_table *tab)
{
- for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1); start++) {
- if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE))
- == (RQFCR_CLE))
+ for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1);
+ start++) {
+ if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE)) ==
+ (RQFCR_CLE))
return start;
}
return -1;
}
-/*
- * Uses hardwares clustering option to reduce
+/* Uses hardwares clustering option to reduce
* the number of filer table entries
*/
static void gfar_cluster_filer(struct filer_table *tab)
@@ -1244,8 +1273,7 @@ static void gfar_cluster_filer(struct filer_table *tab)
while ((i = gfar_get_next_cluster_start(++i, tab)) != -1) {
j = i;
while ((j = gfar_get_next_cluster_start(++j, tab)) != -1) {
- /*
- * The cluster entries self and the previous one
+ /* The cluster entries self and the previous one
* (a mask) must be identical!
*/
if (tab->fe[i].ctrl != tab->fe[j].ctrl)
@@ -1260,21 +1288,21 @@ static void gfar_cluster_filer(struct filer_table *tab)
jend = gfar_get_next_cluster_end(j, tab);
if (jend == -1 || iend == -1)
break;
- /*
- * First we make some free space, where our cluster
+
+ /* First we make some free space, where our cluster
* element should be. Then we copy it there and finally
* delete in from its old location.
*/
-
- if (gfar_expand_filer_entries(iend, (jend - j), tab)
- == -EINVAL)
+ if (gfar_expand_filer_entries(iend, (jend - j), tab) ==
+ -EINVAL)
break;
gfar_copy_filer_entries(&(tab->fe[iend + 1]),
- &(tab->fe[jend + 1]), jend - j);
+ &(tab->fe[jend + 1]), jend - j);
if (gfar_trim_filer_entries(jend - 1,
- jend + (jend - j), tab) == -EINVAL)
+ jend + (jend - j),
+ tab) == -EINVAL)
return;
/* Mask out cluster bit */
@@ -1285,8 +1313,9 @@ static void gfar_cluster_filer(struct filer_table *tab)
/* Swaps the masked bits of a1<>a2 and b1<>b2 */
static void gfar_swap_bits(struct gfar_filer_entry *a1,
- struct gfar_filer_entry *a2, struct gfar_filer_entry *b1,
- struct gfar_filer_entry *b2, u32 mask)
+ struct gfar_filer_entry *a2,
+ struct gfar_filer_entry *b1,
+ struct gfar_filer_entry *b2, u32 mask)
{
u32 temp[4];
temp[0] = a1->ctrl & mask;
@@ -1305,13 +1334,12 @@ static void gfar_swap_bits(struct gfar_filer_entry *a1,
b2->ctrl |= temp[2];
}
-/*
- * Generate a list consisting of masks values with their start and
+/* Generate a list consisting of masks values with their start and
* end of validity and block as indicator for parts belonging
* together (glued by ANDs) in mask_table
*/
static u32 gfar_generate_mask_table(struct gfar_mask_entry *mask_table,
- struct filer_table *tab)
+ struct filer_table *tab)
{
u32 i, and_index = 0, block_index = 1;
@@ -1327,13 +1355,13 @@ static u32 gfar_generate_mask_table(struct gfar_mask_entry *mask_table,
and_index++;
}
/* cluster starts and ends will be separated because they should
- * hold their position */
+ * hold their position
+ */
if (tab->fe[i].ctrl & RQFCR_CLE)
block_index++;
/* A not set AND indicates the end of a depended block */
if (!(tab->fe[i].ctrl & RQFCR_AND))
block_index++;
-
}
mask_table[and_index - 1].end = i - 1;
@@ -1341,14 +1369,13 @@ static u32 gfar_generate_mask_table(struct gfar_mask_entry *mask_table,
return and_index;
}
-/*
- * Sorts the entries of mask_table by the values of the masks.
+/* Sorts the entries of mask_table by the values of the masks.
* Important: The 0xFF80 flags of the first and last entry of a
* block must hold their position (which queue, CLusterEnable, ReJEct,
* AND)
*/
static void gfar_sort_mask_table(struct gfar_mask_entry *mask_table,
- struct filer_table *temp_table, u32 and_index)
+ struct filer_table *temp_table, u32 and_index)
{
/* Pointer to compare function (_asc or _desc) */
int (*gfar_comp)(const void *, const void *);
@@ -1359,16 +1386,16 @@ static void gfar_sort_mask_table(struct gfar_mask_entry *mask_table,
gfar_comp = &gfar_comp_desc;
for (i = 0; i < and_index; i++) {
-
if (prev != mask_table[i].block) {
old_first = mask_table[start].start + 1;
old_last = mask_table[i - 1].end;
sort(mask_table + start, size,
- sizeof(struct gfar_mask_entry),
- gfar_comp, &gfar_swap);
+ sizeof(struct gfar_mask_entry),
+ gfar_comp, &gfar_swap);
/* Toggle order for every block. This makes the
- * thing more efficient! */
+ * thing more efficient!
+ */
if (gfar_comp == gfar_comp_desc)
gfar_comp = &gfar_comp_asc;
else
@@ -1378,12 +1405,11 @@ static void gfar_sort_mask_table(struct gfar_mask_entry *mask_table,
new_last = mask_table[i - 1].end;
gfar_swap_bits(&temp_table->fe[new_first],
- &temp_table->fe[old_first],
- &temp_table->fe[new_last],
- &temp_table->fe[old_last],
- RQFCR_QUEUE | RQFCR_CLE |
- RQFCR_RJE | RQFCR_AND
- );
+ &temp_table->fe[old_first],
+ &temp_table->fe[new_last],
+ &temp_table->fe[old_last],
+ RQFCR_QUEUE | RQFCR_CLE |
+ RQFCR_RJE | RQFCR_AND);
start = i;
size = 0;
@@ -1391,11 +1417,9 @@ static void gfar_sort_mask_table(struct gfar_mask_entry *mask_table,
size++;
prev = mask_table[i].block;
}
-
}
-/*
- * Reduces the number of masks needed in the filer table to save entries
+/* Reduces the number of masks needed in the filer table to save entries
* This is done by sorting the masks of a depended block. A depended block is
* identified by gluing ANDs or CLE. The sorting order toggles after every
* block. Of course entries in scope of a mask must change their location with
@@ -1410,13 +1434,14 @@ static int gfar_optimize_filer_masks(struct filer_table *tab)
s32 ret = 0;
/* We need a copy of the filer table because
- * we want to change its order */
+ * we want to change its order
+ */
temp_table = kmemdup(tab, sizeof(*temp_table), GFP_KERNEL);
if (temp_table == NULL)
return -ENOMEM;
mask_table = kcalloc(MAX_FILER_CACHE_IDX / 2 + 1,
- sizeof(struct gfar_mask_entry), GFP_KERNEL);
+ sizeof(struct gfar_mask_entry), GFP_KERNEL);
if (mask_table == NULL) {
ret = -ENOMEM;
@@ -1428,7 +1453,8 @@ static int gfar_optimize_filer_masks(struct filer_table *tab)
gfar_sort_mask_table(mask_table, temp_table, and_index);
/* Now we can copy the data from our duplicated filer table to
- * the real one in the order the mask table says */
+ * the real one in the order the mask table says
+ */
for (i = 0; i < and_index; i++) {
size = mask_table[i].end - mask_table[i].start + 1;
gfar_copy_filer_entries(&(tab->fe[j]),
@@ -1437,7 +1463,8 @@ static int gfar_optimize_filer_masks(struct filer_table *tab)
}
/* And finally we just have to check for duplicated masks and drop the
- * second ones */
+ * second ones
+ */
for (i = 0; i < tab->index && i < MAX_FILER_CACHE_IDX; i++) {
if (tab->fe[i].ctrl == 0x80) {
previous_mask = i++;
@@ -1448,7 +1475,8 @@ static int gfar_optimize_filer_masks(struct filer_table *tab)
if (tab->fe[i].ctrl == 0x80) {
if (tab->fe[i].prop == tab->fe[previous_mask].prop) {
/* Two identical ones found!
- * So drop the second one! */
+ * So drop the second one!
+ */
gfar_trim_filer_entries(i, i, tab);
} else
/* Not identical! */
@@ -1463,7 +1491,7 @@ end: kfree(temp_table);
/* Write the bit-pattern from software's buffer to hardware registers */
static int gfar_write_filer_table(struct gfar_private *priv,
- struct filer_table *tab)
+ struct filer_table *tab)
{
u32 i = 0;
if (tab->index > MAX_FILER_IDX - 1)
@@ -1473,13 +1501,15 @@ static int gfar_write_filer_table(struct gfar_private *priv,
lock_rx_qs(priv);
/* Fill regular entries */
- for (; i < MAX_FILER_IDX - 1 && (tab->fe[i].ctrl | tab->fe[i].ctrl); i++)
+ for (; i < MAX_FILER_IDX - 1 && (tab->fe[i].ctrl | tab->fe[i].ctrl);
+ i++)
gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop);
/* Fill the rest with fall-troughs */
for (; i < MAX_FILER_IDX - 1; i++)
gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF);
/* Last entry must be default accept
- * because that's what people expect */
+ * because that's what people expect
+ */
gfar_write_filer(priv, i, 0x20, 0x0);
unlock_rx_qs(priv);
@@ -1488,21 +1518,21 @@ static int gfar_write_filer_table(struct gfar_private *priv,
}
static int gfar_check_capability(struct ethtool_rx_flow_spec *flow,
- struct gfar_private *priv)
+ struct gfar_private *priv)
{
if (flow->flow_type & FLOW_EXT) {
if (~flow->m_ext.data[0] || ~flow->m_ext.data[1])
netdev_warn(priv->ndev,
- "User-specific data not supported!\n");
+ "User-specific data not supported!\n");
if (~flow->m_ext.vlan_etype)
netdev_warn(priv->ndev,
- "VLAN-etype not supported!\n");
+ "VLAN-etype not supported!\n");
}
if (flow->flow_type == IP_USER_FLOW)
if (flow->h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4)
netdev_warn(priv->ndev,
- "IP-Version differing from IPv4 not supported!\n");
+ "IP-Version differing from IPv4 not supported!\n");
return 0;
}
@@ -1520,15 +1550,18 @@ static int gfar_process_filer_changes(struct gfar_private *priv)
return -ENOMEM;
/* Now convert the existing filer data from flow_spec into
- * filer tables binary format */
+ * filer tables binary format
+ */
list_for_each_entry(j, &priv->rx_list.list, list) {
ret = gfar_convert_to_filer(&j->fs, tab);
if (ret == -EBUSY) {
- netdev_err(priv->ndev, "Rule not added: No free space!\n");
+ netdev_err(priv->ndev,
+ "Rule not added: No free space!\n");
goto end;
}
if (ret == -1) {
- netdev_err(priv->ndev, "Rule not added: Unsupported Flow-type!\n");
+ netdev_err(priv->ndev,
+ "Rule not added: Unsupported Flow-type!\n");
goto end;
}
}
@@ -1540,9 +1573,9 @@ static int gfar_process_filer_changes(struct gfar_private *priv)
gfar_optimize_filer_masks(tab);
pr_debug("\n\tSummary:\n"
- "\tData on hardware: %d\n"
- "\tCompression rate: %d%%\n",
- tab->index, 100 - (100 * tab->index) / i);
+ "\tData on hardware: %d\n"
+ "\tCompression rate: %d%%\n",
+ tab->index, 100 - (100 * tab->index) / i);
/* Write everything to hardware */
ret = gfar_write_filer_table(priv, tab);
@@ -1551,7 +1584,8 @@ static int gfar_process_filer_changes(struct gfar_private *priv)
goto end;
}
-end: kfree(tab);
+end:
+ kfree(tab);
return ret;
}
@@ -1569,7 +1603,7 @@ static void gfar_invert_masks(struct ethtool_rx_flow_spec *flow)
}
static int gfar_add_cls(struct gfar_private *priv,
- struct ethtool_rx_flow_spec *flow)
+ struct ethtool_rx_flow_spec *flow)
{
struct ethtool_flow_spec_container *temp, *comp;
int ret = 0;
@@ -1591,7 +1625,6 @@ static int gfar_add_cls(struct gfar_private *priv,
list_add(&temp->list, &priv->rx_list.list);
goto process;
} else {
-
list_for_each_entry(comp, &priv->rx_list.list, list) {
if (comp->fs.location > flow->location) {
list_add_tail(&temp->list, &comp->list);
@@ -1599,8 +1632,8 @@ static int gfar_add_cls(struct gfar_private *priv,
}
if (comp->fs.location == flow->location) {
netdev_err(priv->ndev,
- "Rule not added: ID %d not free!\n",
- flow->location);
+ "Rule not added: ID %d not free!\n",
+ flow->location);
ret = -EBUSY;
goto clean_mem;
}
@@ -1642,7 +1675,6 @@ static int gfar_del_cls(struct gfar_private *priv, u32 loc)
}
return ret;
-
}
static int gfar_get_cls(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
@@ -1663,7 +1695,7 @@ static int gfar_get_cls(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
}
static int gfar_get_cls_all(struct gfar_private *priv,
- struct ethtool_rxnfc *cmd, u32 *rule_locs)
+ struct ethtool_rxnfc *cmd, u32 *rule_locs)
{
struct ethtool_flow_spec_container *comp;
u32 i = 0;
@@ -1714,7 +1746,7 @@ static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
}
static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
- u32 *rule_locs)
+ u32 *rule_locs)
{
struct gfar_private *priv = netdev_priv(dev);
int ret = 0;
@@ -1748,23 +1780,19 @@ static int gfar_get_ts_info(struct net_device *dev,
struct gfar_private *priv = netdev_priv(dev);
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)) {
- info->so_timestamping =
- SOF_TIMESTAMPING_RX_SOFTWARE |
- SOF_TIMESTAMPING_SOFTWARE;
+ info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
+ SOF_TIMESTAMPING_SOFTWARE;
info->phc_index = -1;
return 0;
}
- info->so_timestamping =
- SOF_TIMESTAMPING_TX_HARDWARE |
- SOF_TIMESTAMPING_RX_HARDWARE |
- SOF_TIMESTAMPING_RAW_HARDWARE;
+ info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
+ SOF_TIMESTAMPING_RX_HARDWARE |
+ SOF_TIMESTAMPING_RAW_HARDWARE;
info->phc_index = gfar_phc_index;
- info->tx_types =
- (1 << HWTSTAMP_TX_OFF) |
- (1 << HWTSTAMP_TX_ON);
- info->rx_filters =
- (1 << HWTSTAMP_FILTER_NONE) |
- (1 << HWTSTAMP_FILTER_ALL);
+ info->tx_types = (1 << HWTSTAMP_TX_OFF) |
+ (1 << HWTSTAMP_TX_ON);
+ info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
+ (1 << HWTSTAMP_FILTER_ALL);
return 0;
}
--
1.7.9.5
^ permalink raw reply related [flat|nested] 7+ messages in thread* Re: [PATCH v3 net-next 0/5] gianfar: coding style cleanups
2012-06-05 13:42 [PATCH v3 net-next 0/5] gianfar: coding style cleanups Jan Ceuleers
` (4 preceding siblings ...)
2012-06-05 13:42 ` [PATCH v3 net-next 5/5] gianfar_ethtool: coding style and whitespace cleanups Jan Ceuleers
@ 2012-06-05 22:38 ` David Miller
5 siblings, 0 replies; 7+ messages in thread
From: David Miller @ 2012-06-05 22:38 UTC (permalink / raw)
To: jan.ceuleers; +Cc: b06378, joe, netdev
From: Jan Ceuleers <jan.ceuleers@computer.org>
Date: Tue, 5 Jun 2012 15:42:10 +0200
> Various coding style cleanups, mostly whitespace and comment reformatting.
>
> I have left a number of lines untouched where I felt that the changes I
> was considering were not improving readability. But de gustibus etc.
>
> Patch 4/5 also removes some superfluous local variable initialisations.
> These are obviously correct because the variable is initialised again
> right after. But you might consider this to be unnecessary code churn
> because the compiler is unlikely to generate better code due to this patch.
>
> WARNING: Compile-tested only. I do not have the hardware.
All applied, thanks Jan.
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