From b68a60e598c0d1e738c807c47cb181e8cc52a0d8 Mon Sep 17 00:00:00 2001 From: Jim Lewis Date: Mon, 14 Aug 2006 23:00:23 -0700 Subject: [PATCH] [PATCH] Add ethtool -g support to Spidernet network driver Add ethtool -g (show ring sizes) support to the Spidernet network driver. Signed-off-by: James K Lewis Signed-off-by: Andrew Morton Signed-off-by: Jeff Garzik --- drivers/net/spider_net.c | 12 +++++++----- drivers/net/spider_net.h | 3 +++ drivers/net/spider_net_ethtool.c | 13 +++++++++++++ 3 files changed, 23 insertions(+), 5 deletions(-) diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c index 647f62e9707d..88907218457a 100644 --- a/drivers/net/spider_net.c +++ b/drivers/net/spider_net.c @@ -1611,13 +1611,12 @@ spider_net_open(struct net_device *netdev) int result; result = -ENOMEM; - if (spider_net_init_chain(card, &card->tx_chain, - card->descr, - PCI_DMA_TODEVICE, tx_descriptors)) + if (spider_net_init_chain(card, &card->tx_chain, card->descr, + PCI_DMA_TODEVICE, card->tx_desc)) goto alloc_tx_failed; if (spider_net_init_chain(card, &card->rx_chain, - card->descr + tx_descriptors, - PCI_DMA_FROMDEVICE, rx_descriptors)) + card->descr + card->rx_desc, + PCI_DMA_FROMDEVICE, card->rx_desc)) goto alloc_rx_failed; /* allocate rx skbs */ @@ -2005,6 +2004,9 @@ spider_net_setup_netdev(struct spider_net_card *card) card->options.rx_csum = SPIDER_NET_RX_CSUM_DEFAULT; + card->tx_desc = tx_descriptors; + card->rx_desc = rx_descriptors; + spider_net_setup_netdev_ops(netdev); netdev->features = NETIF_F_HW_CSUM | NETIF_F_LLTX; diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h index f6dcf180ae3d..30407cdf0892 100644 --- a/drivers/net/spider_net.h +++ b/drivers/net/spider_net.h @@ -440,6 +440,9 @@ struct spider_net_card { /* for ethtool */ int msg_enable; + int rx_desc; + int tx_desc; + struct spider_net_descr descr[0]; }; diff --git a/drivers/net/spider_net_ethtool.c b/drivers/net/spider_net_ethtool.c index a5bb0b7633af..02209222b8c9 100644 --- a/drivers/net/spider_net_ethtool.c +++ b/drivers/net/spider_net_ethtool.c @@ -130,6 +130,18 @@ spider_net_ethtool_set_tx_csum(struct net_device *netdev, uint32_t data) return 0; } +static void +spider_net_ethtool_get_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ering) +{ + struct spider_net_card *card = netdev->priv; + + ering->tx_max_pending = SPIDER_NET_TX_DESCRIPTORS_MAX; + ering->tx_pending = card->tx_desc; + ering->rx_max_pending = SPIDER_NET_RX_DESCRIPTORS_MAX; + ering->rx_pending = card->rx_desc; +} + struct ethtool_ops spider_net_ethtool_ops = { .get_settings = spider_net_ethtool_get_settings, .get_drvinfo = spider_net_ethtool_get_drvinfo, @@ -141,5 +153,6 @@ struct ethtool_ops spider_net_ethtool_ops = { .set_rx_csum = spider_net_ethtool_set_rx_csum, .get_tx_csum = spider_net_ethtool_get_tx_csum, .set_tx_csum = spider_net_ethtool_set_tx_csum, + .get_ringparam = spider_net_ethtool_get_ringparam, }; -- 2.30.2