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>
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 290e1c1..ac50c19 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -4775,6 +4775,40 @@
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 @@
.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,
