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| author | Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com> | 2007-05-10 04:06:28 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-05-11 17:53:05 -0400 |
| commit | 0cec35ebf341726e2490a4b01296a6dc132d1127 (patch) | |
| tree | ce444e2dceee27dfbd73db36d54ec92243bcdec5 | |
| parent | 0a3fd051c7036ef71b58863f8e5da7c3dabd9d3f (diff) | |
| download | talos-obmc-linux-0cec35ebf341726e2490a4b01296a6dc132d1127.tar.gz talos-obmc-linux-0cec35ebf341726e2490a4b01296a6dc132d1127.zip | |
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>
| -rw-r--r-- | drivers/net/s2io.c | 35 | ||||
| -rw-r--r-- | drivers/net/s2io.h | 5 |
2 files changed, 40 insertions, 0 deletions
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 290e1c1f30c6..ac50c1992e11 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -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, diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index a656d18b33df..8d9cd60658a2 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -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}, |
