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Merge branch 'gianfar-bql' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux

This commit is contained in:
David S. Miller 2012-03-19 16:46:22 -04:00
parent 4da0bd7365 5407b14c67
commit 277074777c
3 changed files with 17 additions and 10 deletions
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22
drivers/net/ethernet/freescale/gianfar.c
View File

@ -104,10 +104,7 @@
#include "fsl_pq_mdio.h"
#define TX_TIMEOUT (1*HZ)
#undef BRIEF_GFAR_ERRORS
#undef VERBOSE_GFAR_ERRORS
const char gfar_driver_name[] = "Gianfar Ethernet";
const char gfar_driver_version[] = "1.3";
static int gfar_enet_open(struct net_device *dev);
@ -1755,9 +1752,12 @@ 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)
free_skb_tx_queue(tx_queue);
netdev_tx_reset_queue(txq);
}
for (i = 0; i < priv->num_rx_queues; i++) {
@ -2217,6 +2217,8 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
lstatus |= BD_LFLAG(TXBD_CRC | TXBD_READY) | skb_headlen(skb);
}
netdev_tx_sent_queue(txq, skb->len);
/*
* We can work in parallel with gfar_clean_tx_ring(), except
* when modifying num_txbdfree. Note that we didn't grab the lock
@ -2460,6 +2462,7 @@ static void gfar_align_skb(struct sk_buff *skb)
static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
{
struct net_device *dev = tx_queue->dev;
struct netdev_queue *txq;
struct gfar_private *priv = netdev_priv(dev);
struct gfar_priv_rx_q *rx_queue = NULL;
struct txbd8 *bdp, *next = NULL;
@ -2471,10 +2474,13 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
int frags = 0, nr_txbds = 0;
int i;
int howmany = 0;
int tqi = tx_queue->qindex;
unsigned int bytes_sent = 0;
u32 lstatus;
size_t buflen;
rx_queue = priv->rx_queue[tx_queue->qindex];
rx_queue = priv->rx_queue[tqi];
txq = netdev_get_tx_queue(dev, tqi);
bdp = tx_queue->dirty_tx;
skb_dirtytx = tx_queue->skb_dirtytx;
@ -2533,6 +2539,8 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
bdp = next_txbd(bdp, base, tx_ring_size);
}
bytes_sent += skb->len;
/*
* 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
@ -2557,13 +2565,15 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue)
}
/* If we freed a buffer, we can restart transmission, if necessary */
if (__netif_subqueue_stopped(dev, tx_queue->qindex) && tx_queue->num_txbdfree)
netif_wake_subqueue(dev, tx_queue->qindex);
if (netif_tx_queue_stopped(txq) && tx_queue->num_txbdfree)
netif_wake_subqueue(dev, tqi);
/* Update dirty indicators */
tx_queue->skb_dirtytx = skb_dirtytx;
tx_queue->dirty_tx = bdp;
netdev_tx_completed_queue(txq, howmany, bytes_sent);
return howmany;
}

3
drivers/net/ethernet/freescale/gianfar.h
View File

@ -78,11 +78,8 @@ struct ethtool_rx_list {
#define INCREMENTAL_BUFFER_SIZE 512
#define PHY_INIT_TIMEOUT 100000
#define GFAR_PHY_CHANGE_TIME 2
#define DEVICE_NAME "%s: Gianfar Ethernet Controller Version 1.2, "
#define DRV_NAME "gfar-enet"
extern const char gfar_driver_name[];
extern const char gfar_driver_version[];
/* MAXIMUM NUMBER OF QUEUES SUPPORTED */

2
drivers/net/ethernet/freescale/gianfar_ethtool.c
View File

@ -58,7 +58,7 @@ static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rv
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 char stat_gstrings[][ETH_GSTRING_LEN] = {
static const char stat_gstrings[][ETH_GSTRING_LEN] = {
"rx-dropped-by-kernel",
"rx-large-frame-errors",
"rx-short-frame-errors",