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S2IO: getringparam ethtool option 

Adding get_ringparam ethtool option.

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Sreenivasa Honnur 2007-05-10 04:06:28 -04:00 committed by Jeff Garzik
parent 0a3fd051c7
commit 0cec35ebf3
2 changed files with 40 additions and 0 deletions
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35
drivers/net/s2io.c
View File

@ -4775,6 +4775,40 @@ static int s2io_ethtool_idnic(struct net_device *dev, u32 data)
return 0;
}
static void s2io_ethtool_gringparam(struct net_device *dev,
struct ethtool_ringparam *ering)
{
struct s2io_nic *sp = dev->priv;
int i,tx_desc_count=0,rx_desc_count=0;
if (sp->rxd_mode == RXD_MODE_1)
ering->rx_max_pending = MAX_RX_DESC_1;
else if (sp->rxd_mode == RXD_MODE_3B)
ering->rx_max_pending = MAX_RX_DESC_2;
else if (sp->rxd_mode == RXD_MODE_3A)
ering->rx_max_pending = MAX_RX_DESC_3;
ering->tx_max_pending = MAX_TX_DESC;
for (i = 0 ; i < sp->config.tx_fifo_num ; i++) {
tx_desc_count += sp->config.tx_cfg[i].fifo_len;
}
DBG_PRINT(INFO_DBG,"\nmax txds : %d\n",sp->config.max_txds);
ering->tx_pending = tx_desc_count;
rx_desc_count = 0;
for (i = 0 ; i < sp->config.rx_ring_num ; i++) {
rx_desc_count += sp->config.rx_cfg[i].num_rxd;
}
ering->rx_pending = rx_desc_count;
ering->rx_mini_max_pending = 0;
ering->rx_mini_pending = 0;
if(sp->rxd_mode == RXD_MODE_1)
ering->rx_jumbo_max_pending = MAX_RX_DESC_1;
else if (sp->rxd_mode == RXD_MODE_3B)
ering->rx_jumbo_max_pending = MAX_RX_DESC_2;
ering->rx_jumbo_pending = rx_desc_count;
}
/**
* s2io_ethtool_getpause_data -Pause frame frame generation and reception.
* @sp : private member of the device structure, which is a pointer to the
@ -5854,6 +5888,7 @@ static const struct ethtool_ops netdev_ethtool_ops = {
.get_eeprom_len = s2io_get_eeprom_len,
.get_eeprom = s2io_ethtool_geeprom,
.set_eeprom = s2io_ethtool_seeprom,
.get_ringparam = s2io_ethtool_gringparam,
.get_pauseparam = s2io_ethtool_getpause_data,
.set_pauseparam = s2io_ethtool_setpause_data,
.get_rx_csum = s2io_ethtool_get_rx_csum,

5
drivers/net/s2io.h
View File

@ -308,6 +308,11 @@ struct stat_block {
#define MAX_TX_FIFOS 8
#define MAX_RX_RINGS 8
#define MAX_RX_DESC_1 (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 127 )
#define MAX_RX_DESC_2 (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 85 )
#define MAX_RX_DESC_3 (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 85 )
#define MAX_TX_DESC (MAX_AVAILABLE_TXDS)
/* FIFO mappings for all possible number of fifos configured */
static int fifo_map[][MAX_TX_FIFOS] = {
{0, 0, 0, 0, 0, 0, 0, 0},