From: Amerigo Wang <amwang@redhat.com>
To: netdev@vger.kernel.org
Cc: WANG Cong <amwang@redhat.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <eric.dumazet@gmail.com>,
Changli Gao <xiaosuo@gmail.com>,
Tom Herbert <therbert@google.com>, Jesse Gross <jesse@nicira.com>,
linux-kernel@vger.kernel.org
Subject:
Date: Tue, 22 Mar 2011 19:56:11 +0800 [thread overview]
Message-ID: <1300794973-24581-1-git-send-email-amwang@redhat.com> (raw)
Signed-off-by: WANG Cong <amwang@redhat.com>
---
net/core/dev.c | 54 ------------------------------------------------------
1 files changed, 0 insertions(+), 54 deletions(-)
diff --git a/net/core/dev.c b/net/core/dev.c
index 0b88eba..2c2f243 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1140,9 +1140,6 @@ static int __dev_open(struct net_device *dev)
ASSERT_RTNL();
- /*
- * Is it even present?
- */
if (!netif_device_present(dev))
return -ENODEV;
@@ -1151,9 +1148,6 @@ static int __dev_open(struct net_device *dev)
if (ret)
return ret;
- /*
- * Call device private open method
- */
set_bit(__LINK_STATE_START, &dev->state);
if (ops->ndo_validate_addr)
@@ -1162,31 +1156,12 @@ static int __dev_open(struct net_device *dev)
if (!ret && ops->ndo_open)
ret = ops->ndo_open(dev);
- /*
- * If it went open OK then:
- */
-
if (ret)
clear_bit(__LINK_STATE_START, &dev->state);
else {
- /*
- * Set the flags.
- */
dev->flags |= IFF_UP;
-
- /*
- * Enable NET_DMA
- */
net_dmaengine_get();
-
- /*
- * Initialize multicasting status
- */
dev_set_rx_mode(dev);
-
- /*
- * Wakeup transmit queue engine
- */
dev_activate(dev);
}
@@ -1209,22 +1184,13 @@ int dev_open(struct net_device *dev)
{
int ret;
- /*
- * Is it already up?
- */
if (dev->flags & IFF_UP)
return 0;
- /*
- * Open device
- */
ret = __dev_open(dev);
if (ret < 0)
return ret;
- /*
- * ... and announce new interface.
- */
rtmsg_ifinfo(RTM_NEWLINK, dev, IFF_UP|IFF_RUNNING);
call_netdevice_notifiers(NETDEV_UP, dev);
@@ -1240,10 +1206,6 @@ static int __dev_close_many(struct list_head *head)
might_sleep();
list_for_each_entry(dev, head, unreg_list) {
- /*
- * Tell people we are going down, so that they can
- * prepare to death, when device is still operating.
- */
call_netdevice_notifiers(NETDEV_GOING_DOWN, dev);
clear_bit(__LINK_STATE_START, &dev->state);
@@ -1272,15 +1234,7 @@ static int __dev_close_many(struct list_head *head)
if (ops->ndo_stop)
ops->ndo_stop(dev);
- /*
- * Device is now down.
- */
-
dev->flags &= ~IFF_UP;
-
- /*
- * Shutdown NET_DMA
- */
net_dmaengine_put();
}
@@ -1309,9 +1263,6 @@ static int dev_close_many(struct list_head *head)
__dev_close_many(head);
- /*
- * Tell people we are down
- */
list_for_each_entry(dev, head, unreg_list) {
rtmsg_ifinfo(RTM_NEWLINK, dev, IFF_UP|IFF_RUNNING);
call_netdevice_notifiers(NETDEV_DOWN, dev);
@@ -1368,11 +1319,6 @@ EXPORT_SYMBOL(dev_disable_lro);
static int dev_boot_phase = 1;
-/*
- * Device change register/unregister. These are not inline or static
- * as we export them to the world.
- */
-
/**
* register_netdevice_notifier - register a network notifier block
* @nb: notifier
reply other threads:[~2011-03-22 11:38 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1300794973-24581-1-git-send-email-amwang@redhat.com \
--to=amwang@redhat.com \
--cc=davem@davemloft.net \
--cc=eric.dumazet@gmail.com \
--cc=jesse@nicira.com \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=therbert@google.com \
--cc=xiaosuo@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).