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authorDavid Daney <ddaney@caviumnetworks.com>2010-02-17 02:25:32 +0100
committerRalf Baechle <ralf@linux-mips.org>2010-02-27 12:53:30 +0100
commitec977c5b473e29dbfdac8f2c7477eccc2142e3bc (patch)
treed944179a8c762c0430a676fe1843d3dc97c46e5b /drivers
parentStaging: Octeon: Free transmit SKBs in a timely manner (diff)
downloadlinux-ec977c5b473e29dbfdac8f2c7477eccc2142e3bc.tar.xz
linux-ec977c5b473e29dbfdac8f2c7477eccc2142e3bc.zip
Staging: Octeon: Reformat a bunch of comments.
Many of the comments didn't follow kerneldoc guidlines. Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org To: netdev@vger.kernel.org To: gregkh@suse.de Patchwork: http://patchwork.linux-mips.org/patch/971/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/staging/octeon/ethernet-mdio.c6
-rw-r--r--drivers/staging/octeon/ethernet-mem.c16
-rw-r--r--drivers/staging/octeon/ethernet-rx.c17
-rw-r--r--drivers/staging/octeon/ethernet-tx.c14
-rw-r--r--drivers/staging/octeon/ethernet-util.h13
-rw-r--r--drivers/staging/octeon/ethernet.c42
-rw-r--r--drivers/staging/octeon/octeon-ethernet.h7
7 files changed, 44 insertions, 71 deletions
diff --git a/drivers/staging/octeon/ethernet-mdio.c b/drivers/staging/octeon/ethernet-mdio.c
index 05a5cc0f43ed..7e0be8d00dc3 100644
--- a/drivers/staging/octeon/ethernet-mdio.c
+++ b/drivers/staging/octeon/ethernet-mdio.c
@@ -96,11 +96,11 @@ const struct ethtool_ops cvm_oct_ethtool_ops = {
};
/**
- * IOCTL support for PHY control
- *
+ * cvm_oct_ioctl - IOCTL support for PHY control
* @dev: Device to change
* @rq: the request
* @cmd: the command
+ *
* Returns Zero on success
*/
int cvm_oct_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
@@ -153,7 +153,7 @@ static void cvm_oct_adjust_link(struct net_device *dev)
/**
- * Setup the PHY
+ * cvm_oct_phy_setup_device - setup the PHY
*
* @dev: Device to setup
*
diff --git a/drivers/staging/octeon/ethernet-mem.c b/drivers/staging/octeon/ethernet-mem.c
index 53ed2f7ffdfd..00cc91df6b46 100644
--- a/drivers/staging/octeon/ethernet-mem.c
+++ b/drivers/staging/octeon/ethernet-mem.c
@@ -34,11 +34,12 @@
#include "cvmx-fpa.h"
/**
- * Fill the supplied hardware pool with skbuffs
- *
+ * cvm_oct_fill_hw_skbuff - fill the supplied hardware pool with skbuffs
* @pool: Pool to allocate an skbuff for
* @size: Size of the buffer needed for the pool
* @elements: Number of buffers to allocate
+ *
+ * Returns the actual number of buffers allocated.
*/
static int cvm_oct_fill_hw_skbuff(int pool, int size, int elements)
{
@@ -62,8 +63,7 @@ static int cvm_oct_fill_hw_skbuff(int pool, int size, int elements)
}
/**
- * Free the supplied hardware pool of skbuffs
- *
+ * cvm_oct_free_hw_skbuff- free hardware pool skbuffs
* @pool: Pool to allocate an skbuff for
* @size: Size of the buffer needed for the pool
* @elements: Number of buffers to allocate
@@ -91,11 +91,12 @@ static void cvm_oct_free_hw_skbuff(int pool, int size, int elements)
}
/**
- * This function fills a hardware pool with memory.
- *
+ * cvm_oct_fill_hw_memory - fill a hardware pool with memory.
* @pool: Pool to populate
* @size: Size of each buffer in the pool
* @elements: Number of buffers to allocate
+ *
+ * Returns the actual number of buffers allocated.
*/
static int cvm_oct_fill_hw_memory(int pool, int size, int elements)
{
@@ -129,8 +130,7 @@ static int cvm_oct_fill_hw_memory(int pool, int size, int elements)
}
/**
- * Free memory previously allocated with cvm_oct_fill_hw_memory
- *
+ * cvm_oct_free_hw_memory - Free memory allocated by cvm_oct_fill_hw_memory
* @pool: FPA pool to free
* @size: Size of each buffer in the pool
* @elements: Number of buffers that should be in the pool
diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
index b2e6ab6a3349..cb38f9eb2cc0 100644
--- a/drivers/staging/octeon/ethernet-rx.c
+++ b/drivers/staging/octeon/ethernet-rx.c
@@ -124,8 +124,9 @@ static void cvm_oct_no_more_work(void)
}
/**
- * Interrupt handler. The interrupt occurs whenever the POW
- * has packets in our group.
+ * cvm_oct_do_interrupt - interrupt handler.
+ *
+ * The interrupt occurs whenever the POW has packets in our group.
*
*/
static irqreturn_t cvm_oct_do_interrupt(int cpl, void *dev_id)
@@ -138,10 +139,9 @@ static irqreturn_t cvm_oct_do_interrupt(int cpl, void *dev_id)
}
/**
- * This is called on receive errors, and determines if the packet
- * can be dropped early-on in cvm_oct_tasklet_rx().
- *
+ * cvm_oct_check_rcv_error - process receive errors
* @work: Work queue entry pointing to the packet.
+ *
* Returns Non-zero if the packet can be dropped, zero otherwise.
*/
static inline int cvm_oct_check_rcv_error(cvmx_wqe_t *work)
@@ -224,10 +224,11 @@ static inline int cvm_oct_check_rcv_error(cvmx_wqe_t *work)
}
/**
- * The NAPI poll function.
- *
+ * cvm_oct_napi_poll - the NAPI poll function.
* @napi: The NAPI instance, or null if called from cvm_oct_poll_controller
* @budget: Maximum number of packets to receive.
+ *
+ * Returns the number of packets processed.
*/
static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
{
@@ -484,7 +485,7 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
#ifdef CONFIG_NET_POLL_CONTROLLER
/**
- * This is called when the kernel needs to manually poll the
+ * cvm_oct_poll_controller - poll for receive packets
* device.
*
* @dev: Device to poll. Unused
diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index 5175247ce0a8..afc2b734d554 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -137,11 +137,11 @@ void cvm_oct_free_tx_skbs(struct net_device *dev)
}
/**
- * Packet transmit
- *
+ * cvm_oct_xmit - transmit a packet
* @skb: Packet to send
* @dev: Device info structure
- * Returns Always returns zero
+ *
+ * Returns Always returns NETDEV_TX_OK
*/
int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev)
{
@@ -510,10 +510,10 @@ skip_xmit:
}
/**
- * Packet transmit to the POW
- *
+ * cvm_oct_xmit_pow - transmit a packet to the POW
* @skb: Packet to send
* @dev: Device info structure
+
* Returns Always returns zero
*/
int cvm_oct_xmit_pow(struct sk_buff *skb, struct net_device *dev)
@@ -661,9 +661,9 @@ int cvm_oct_xmit_pow(struct sk_buff *skb, struct net_device *dev)
}
/**
- * This function frees all skb that are currently queued for TX.
- *
+ * cvm_oct_tx_shutdown_dev - free all skb that are currently queued for TX.
* @dev: Device being shutdown
+ *
*/
void cvm_oct_tx_shutdown_dev(struct net_device *dev)
{
diff --git a/drivers/staging/octeon/ethernet-util.h b/drivers/staging/octeon/ethernet-util.h
index 37b665918000..23467563fe57 100644
--- a/drivers/staging/octeon/ethernet-util.h
+++ b/drivers/staging/octeon/ethernet-util.h
@@ -30,10 +30,9 @@
} while (0)
/**
- * Given a packet data address, return a pointer to the
- * beginning of the packet buffer.
- *
+ * cvm_oct_get_buffer_ptr - convert packet data address to pointer
* @packet_ptr: Packet data hardware address
+ *
* Returns Packet buffer pointer
*/
static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr)
@@ -43,9 +42,7 @@ static inline void *cvm_oct_get_buffer_ptr(union cvmx_buf_ptr packet_ptr)
}
/**
- * Given an IPD/PKO port number, return the logical interface it is
- * on.
- *
+ * INTERFACE - convert IPD port to locgical interface
* @ipd_port: Port to check
*
* Returns Logical interface
@@ -65,9 +62,7 @@ static inline int INTERFACE(int ipd_port)
}
/**
- * Given an IPD/PKO port number, return the port's index on a
- * logical interface.
- *
+ * INDEX - convert IPD/PKO port number to the port's interface index
* @ipd_port: Port to check
*
* Returns Index into interface port list
diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
index 5ee60ab0b236..45cb4c7d422d 100644
--- a/drivers/staging/octeon/ethernet.c
+++ b/drivers/staging/octeon/ethernet.c
@@ -176,9 +176,6 @@ static void cvm_oct_periodic_worker(struct work_struct *work)
queue_delayed_work(cvm_oct_poll_queue, &priv->port_periodic_work, HZ);
}
-/**
- * Configure common hardware for all interfaces
- */
static __init void cvm_oct_configure_common_hw(void)
{
/* Setup the FPA */
@@ -198,10 +195,10 @@ static __init void cvm_oct_configure_common_hw(void)
}
/**
- * Free a work queue entry received in a intercept callback.
+ * cvm_oct_free_work- Free a work queue entry
+ *
+ * @work_queue_entry: Work queue entry to free
*
- * @work_queue_entry:
- * Work queue entry to free
* Returns Zero on success, Negative on failure.
*/
int cvm_oct_free_work(void *work_queue_entry)
@@ -228,9 +225,9 @@ int cvm_oct_free_work(void *work_queue_entry)
EXPORT_SYMBOL(cvm_oct_free_work);
/**
- * Get the low level ethernet statistics
- *
+ * cvm_oct_common_get_stats - get the low level ethernet statistics
* @dev: Device to get the statistics from
+ *
* Returns Pointer to the statistics
*/
static struct net_device_stats *cvm_oct_common_get_stats(struct net_device *dev)
@@ -274,8 +271,7 @@ static struct net_device_stats *cvm_oct_common_get_stats(struct net_device *dev)
}
/**
- * Change the link MTU. Unimplemented
- *
+ * cvm_oct_common_change_mtu - change the link MTU
* @dev: Device to change
* @new_mtu: The new MTU
*
@@ -339,8 +335,7 @@ static int cvm_oct_common_change_mtu(struct net_device *dev, int new_mtu)
}
/**
- * Set the multicast list. Currently unimplemented.
- *
+ * cvm_oct_common_set_multicast_list - set the multicast list
* @dev: Device to work on
*/
static void cvm_oct_common_set_multicast_list(struct net_device *dev)
@@ -395,10 +390,10 @@ static void cvm_oct_common_set_multicast_list(struct net_device *dev)
}
/**
- * Set the hardware MAC address for a device
- *
- * @dev: Device to change the MAC address for
- * @addr: Address structure to change it too. MAC address is addr + 2.
+ * cvm_oct_common_set_mac_address - set the hardware MAC address for a device
+ * @dev: The device in question.
+ * @addr: Address structure to change it too.
+
* Returns Zero on success
*/
static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr)
@@ -445,9 +440,9 @@ static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr)
}
/**
- * Per network device initialization
- *
+ * cvm_oct_common_init - per network device initialization
* @dev: Device to initialize
+ *
* Returns Zero on success
*/
int cvm_oct_common_init(struct net_device *dev)
@@ -603,12 +598,6 @@ static const struct net_device_ops cvm_oct_pow_netdev_ops = {
extern void octeon_mdiobus_force_mod_depencency(void);
-/**
- * Module/ driver initialization. Creates the linux network
- * devices.
- *
- * Returns Zero on success
- */
static int __init cvm_oct_init_module(void)
{
int num_interfaces;
@@ -802,11 +791,6 @@ static int __init cvm_oct_init_module(void)
return 0;
}
-/**
- * Module / driver shutdown
- *
- * Returns Zero on success
- */
static void __exit cvm_oct_cleanup_module(void)
{
int port;
diff --git a/drivers/staging/octeon/octeon-ethernet.h b/drivers/staging/octeon/octeon-ethernet.h
index db2a3cc048e7..d58192563552 100644
--- a/drivers/staging/octeon/octeon-ethernet.h
+++ b/drivers/staging/octeon/octeon-ethernet.h
@@ -61,13 +61,6 @@ struct octeon_ethernet {
struct work_struct port_work; /* may be unused. */
};
-/**
- * Free a work queue entry received in a intercept callback.
- *
- * @work_queue_entry:
- * Work queue entry to free
- * Returns Zero on success, Negative on failure.
- */
int cvm_oct_free_work(void *work_queue_entry);
extern int cvm_oct_rgmii_init(struct net_device *dev);