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Date: Mon, 3 Sep 2007 10:33:35 +0530 (IST)
From: Dhananjay Phadke <dhananjay@...xen.com>
To: netdev@...r.kernel.org
cc: jeff@...zik.org, rob@...xen.com
Subject: [PATCH 3/3] netxen: ethtool fixes
Resubmitting the patch.
This patch improves ethtool support for printing correct ring statistics,
segmentation offload status, etc.
Signed-off by: Dhananjay Phadke <dhananjay@...xen.com>
Index: netdev-2.6/drivers/net/netxen/netxen_nic.h
===================================================================
--- netdev-2.6.orig/drivers/net/netxen/netxen_nic.h
+++ netdev-2.6/drivers/net/netxen/netxen_nic.h
@@ -918,7 +918,7 @@ struct netxen_adapter {
u16 link_duplex;
u16 state;
u16 link_autoneg;
- int rcsum;
+ int rx_csum;
int status;
spinlock_t stats_lock;
Index: netdev-2.6/drivers/net/netxen/netxen_nic_ethtool.c
===================================================================
--- netdev-2.6.orig/drivers/net/netxen/netxen_nic_ethtool.c
+++ netdev-2.6/drivers/net/netxen/netxen_nic_ethtool.c
@@ -518,17 +518,17 @@ netxen_nic_get_ringparam(struct net_devi
ring->rx_jumbo_pending = 0;
for (i = 0; i < MAX_RCV_CTX; ++i) {
ring->rx_pending += adapter->recv_ctx[i].
- rcv_desc[RCV_DESC_NORMAL_CTXID].rcv_pending;
+ rcv_desc[RCV_DESC_NORMAL_CTXID].max_rx_desc_count;
ring->rx_jumbo_pending += adapter->recv_ctx[i].
- rcv_desc[RCV_DESC_JUMBO_CTXID].rcv_pending;
+ rcv_desc[RCV_DESC_JUMBO_CTXID].max_rx_desc_count;
}
+ ring->tx_pending = adapter->max_tx_desc_count;
- ring->rx_max_pending = adapter->max_rx_desc_count;
- ring->tx_max_pending = adapter->max_tx_desc_count;
- ring->rx_jumbo_max_pending = adapter->max_jumbo_rx_desc_count;
+ ring->rx_max_pending = MAX_RCV_DESCRIPTORS;
+ ring->tx_max_pending = MAX_CMD_DESCRIPTORS_HOST;
+ ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS;
ring->rx_mini_max_pending = 0;
ring->rx_mini_pending = 0;
- ring->rx_jumbo_pending = 0;
}
static void
@@ -731,6 +731,19 @@ netxen_nic_get_ethtool_stats(struct net_
}
}
+static u32 netxen_nic_get_rx_csum(struct net_device *dev)
+{
+ struct netxen_adapter *adapter = netdev_priv(dev);
+ return adapter->rx_csum;
+}
+
+static int netxen_nic_set_rx_csum(struct net_device *dev, u32 data)
+{
+ struct netxen_adapter *adapter = netdev_priv(dev);
+ adapter->rx_csum = !!data;
+ return 0;
+}
+
struct ethtool_ops netxen_nic_ethtool_ops = {
.get_settings = netxen_nic_get_settings,
.set_settings = netxen_nic_set_settings,
@@ -755,4 +768,7 @@ struct ethtool_ops netxen_nic_ethtool_op
.get_strings = netxen_nic_get_strings,
.get_stats_count = netxen_nic_get_stats_count,
.get_ethtool_stats = netxen_nic_get_ethtool_stats,
+ .get_rx_csum = netxen_nic_get_rx_csum,
+ .set_rx_csum = netxen_nic_set_rx_csum,
+ .get_ufo = ethtool_op_get_ufo,
};
Index: netdev-2.6/drivers/net/netxen/netxen_nic_main.c
===================================================================
--- netdev-2.6.orig/drivers/net/netxen/netxen_nic_main.c
+++ netdev-2.6/drivers/net/netxen/netxen_nic_main.c
@@ -408,6 +408,7 @@ netxen_nic_probe(struct pci_dev *pdev, c
/* This will be reset for mezz cards */
adapter->portnum = pci_func_id;
adapter->status &= ~NETXEN_NETDEV_STATUS;
+ adapter->rx_csum = 1;
netdev->open = netxen_nic_open;
netdev->stop = netxen_nic_close;
Index: netdev-2.6/drivers/net/netxen/netxen_nic_init.c
===================================================================
--- netdev-2.6.orig/drivers/net/netxen/netxen_nic_init.c
+++ netdev-2.6/drivers/net/netxen/netxen_nic_init.c
@@ -1118,10 +1118,13 @@ netxen_process_rcv(struct netxen_adapter
skb = (struct sk_buff *)buffer->skb;
- if (likely(netxen_get_sts_status(desc) == STATUS_CKSUM_OK)) {
+ if (likely(adapter->rx_csum &&
+ netxen_get_sts_status(desc) == STATUS_CKSUM_OK)) {
adapter->stats.csummed++;
skb->ip_summed = CHECKSUM_UNNECESSARY;
- }
+ } else
+ skb->ip_summed = CHECKSUM_NONE;
+
skb->dev = netdev;
if (desc_ctx == RCV_DESC_LRO_CTXID) {
/* True length was only available on the last pkt */
-
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