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Groups > linux.kernel > #1445549
| From | kan.liang@intel.com |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [RFC PATCH 04/30] net/netpolicy: get driver information |
| Date | 2016-07-18 16:40 +0200 |
| Message-ID | <rWhSa-7qj-29@gated-at.bofh.it> (permalink) |
| References | <rWhIu-7l8-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Kan Liang <kan.liang@intel.com>
Net policy needs to know device information. Currently, it's enough to
only get irq information of rx and tx queues. This patch
introduces ndo_get_irq_info to do so.
Signed-off-by: Kan Liang <kan.liang@intel.com>
---
include/linux/netdevice.h | 5 +++++
include/linux/netpolicy.h | 7 +++++++
net/core/netpolicy.c | 14 ++++++++++++++
3 files changed, 26 insertions(+)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ef45dfe..3470943 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1091,6 +1091,9 @@ struct tc_to_netdev {
* int (*ndo_netpolicy_init)(struct net_device *dev,
* struct netpolicy_info *info);
* This function is used to init and get supported policy.
+ * int (*ndo_get_irq_info)(struct net_device *dev,
+ * struct netpolicy_dev_info *info);
+ * This function is used to get irq information of rx and tx queues
*
*/
struct net_device_ops {
@@ -1278,6 +1281,8 @@ struct net_device_ops {
#ifdef CONFIG_NETPOLICY
int (*ndo_netpolicy_init)(struct net_device *dev,
struct netpolicy_info *info);
+ int (*ndo_get_irq_info)(struct net_device *dev,
+ struct netpolicy_dev_info *info);
#endif /* CONFIG_NETPOLICY */
};
diff --git a/include/linux/netpolicy.h b/include/linux/netpolicy.h
index ca1f131..fc87d9b 100644
--- a/include/linux/netpolicy.h
+++ b/include/linux/netpolicy.h
@@ -23,6 +23,13 @@ enum netpolicy_name {
extern const char *policy_name[];
+struct netpolicy_dev_info {
+ u32 rx_num;
+ u32 tx_num;
+ u32 *rx_irq;
+ u32 *tx_irq;
+};
+
struct netpolicy_info {
enum netpolicy_name cur_policy;
unsigned long avail_policy[BITS_TO_LONGS(NET_POLICY_MAX)];
diff --git a/net/core/netpolicy.c b/net/core/netpolicy.c
index 5f304d5..7c34c8a 100644
--- a/net/core/netpolicy.c
+++ b/net/core/netpolicy.c
@@ -35,6 +35,20 @@
#include <linux/netdevice.h>
#include <net/net_namespace.h>
+static int netpolicy_get_dev_info(struct net_device *dev,
+ struct netpolicy_dev_info *d_info)
+{
+ if (!dev->netdev_ops->ndo_get_irq_info)
+ return -ENOTSUPP;
+ return dev->netdev_ops->ndo_get_irq_info(dev, d_info);
+}
+
+static void netpolicy_free_dev_info(struct netpolicy_dev_info *d_info)
+{
+ kfree(d_info->rx_irq);
+ kfree(d_info->tx_irq);
+}
+
const char *policy_name[NET_POLICY_MAX] = {
"NONE"
};
--
2.5.5
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[RFC PATCH 00/30] Kernel NET policy kan.liang@intel.com - 2016-07-18 16:30 +0200
[RFC PATCH 10/30] net/netpolicy: introduce netpolicy object kan.liang@intel.com - 2016-07-18 16:30 +0200
[RFC PATCH 20/30] net/netpolicy: introduce per socket netpolicy kan.liang@intel.com - 2016-07-18 16:30 +0200
[RFC PATCH 28/30] net/netpolicy: optimize for queue pair kan.liang@intel.com - 2016-07-18 16:30 +0200
[RFC PATCH 29/30] net/netpolicy: limit the total record number kan.liang@intel.com - 2016-07-18 16:30 +0200
[RFC PATCH 30/30] Documentation/networking: Document net policy kan.liang@intel.com - 2016-07-18 16:30 +0200
Re: [RFC PATCH 30/30] Documentation/networking: Document net policy Randy Dunlap <rdunlap@infradead.org> - 2016-07-18 19:10 +0200
[RFC PATCH 24/30] net/netpolicy: set rx queues according to policy kan.liang@intel.com - 2016-07-18 16:30 +0200
[RFC PATCH 23/30] i40e/ethtool: support RX_CLS_LOC_ANY kan.liang@intel.com - 2016-07-18 16:30 +0200
Re: [RFC PATCH 23/30] i40e/ethtool: support RX_CLS_LOC_ANY Alexander Duyck <alexander.duyck@gmail.com> - 2016-07-18 18:30 +0200
[RFC PATCH 14/30] net/netpolicy: add MIX policy kan.liang@intel.com - 2016-07-18 16:30 +0200
[RFC PATCH 19/30] net/netpolicy: implement netpolicy register kan.liang@intel.com - 2016-07-18 16:30 +0200
[RFC PATCH 27/30] net/netpolicy: fast path for finding the queues kan.liang@intel.com - 2016-07-18 16:30 +0200
[RFC PATCH 09/30] net/netpolicy: enable and disable net policy kan.liang@intel.com - 2016-07-18 16:40 +0200
[RFC PATCH 18/30] net/netpolicy: handle channel changes kan.liang@intel.com - 2016-07-18 16:40 +0200
[RFC PATCH 08/30] net/netpolicy: set and remove irq affinity kan.liang@intel.com - 2016-07-18 16:40 +0200
[RFC PATCH 16/30] net/netpolicy: net device hotplug kan.liang@intel.com - 2016-07-18 16:40 +0200
[RFC PATCH 04/30] net/netpolicy: get driver information kan.liang@intel.com - 2016-07-18 16:40 +0200
[RFC PATCH 15/30] i40e/netpolicy: add MIX policy support kan.liang@intel.com - 2016-07-18 16:40 +0200
[RFC PATCH 05/30] i40e/netpolicy: implement ndo_get_irq_info kan.liang@intel.com - 2016-07-18 16:40 +0200
[RFC PATCH 11/30] net/netpolicy: set net policy by policy name kan.liang@intel.com - 2016-07-18 16:40 +0200
[RFC PATCH 01/30] net: introduce NET policy kan.liang@intel.com - 2016-07-18 16:40 +0200
[RFC PATCH 03/30] i40e/netpolicy: Implement ndo_netpolicy_init kan.liang@intel.com - 2016-07-18 16:40 +0200
[RFC PATCH 17/30] net/netpolicy: support CPU hotplug kan.liang@intel.com - 2016-07-18 16:40 +0200
[RFC PATCH 02/30] net/netpolicy: init NET policy kan.liang@intel.com - 2016-07-18 16:40 +0200
[RFC PATCH 06/30] net/netpolicy: get CPU information kan.liang@intel.com - 2016-07-18 16:40 +0200
[RFC PATCH 07/30] net/netpolicy: create CPU and queue mapping kan.liang@intel.com - 2016-07-18 16:40 +0200
Re: [RFC PATCH 00/30] Kernel NET policy Florian Westphal <fw@strlen.de> - 2016-07-18 17:20 +0200
Re: [RFC PATCH 00/30] Kernel NET policy Andi Kleen <andi@firstfloor.org> - 2016-07-18 17:50 +0200
Re: [RFC PATCH 00/30] Kernel NET policy Cong Wang <xiyou.wangcong@gmail.com> - 2016-07-18 20:00 +0200
Re: [RFC PATCH 00/30] Kernel NET policy Cong Wang <xiyou.wangcong@gmail.com> - 2016-07-18 22:20 +0200
RE: [RFC PATCH 00/30] Kernel NET policy "Liang, Kan" <kan.liang@intel.com> - 2016-07-18 22:30 +0200
RE: [RFC PATCH 00/30] Kernel NET policy "Liang, Kan" <kan.liang@intel.com> - 2016-07-18 22:20 +0200
Re: [RFC PATCH 00/30] Kernel NET policy Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-07-18 21:10 +0200
Re: [RFC PATCH 00/30] Kernel NET policy Andi Kleen <andi@firstfloor.org> - 2016-07-18 21:50 +0200
Re: [RFC PATCH 00/30] Kernel NET policy Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-07-19 00:00 +0200
RE: [RFC PATCH 00/30] Kernel NET policy "Liang, Kan" <kan.liang@intel.com> - 2016-07-19 03:50 +0200
Re: [RFC PATCH 00/30] Kernel NET policy David Miller <davem@davemloft.net> - 2016-07-19 07:10 +0200
RE: [RFC PATCH 00/30] Kernel NET policy "Liang, Kan" <kan.liang@intel.com> - 2016-07-19 15:50 +0200
RE: [RFC PATCH 00/30] Kernel NET policy "Liang, Kan" <kan.liang@intel.com> - 2016-07-18 18:00 +0200
Re: [RFC PATCH 00/30] Kernel NET policy Florian Westphal <fw@strlen.de> - 2016-07-18 18:20 +0200
RE: [RFC PATCH 00/30] Kernel NET policy "Liang, Kan" <kan.liang@intel.com> - 2016-07-18 19:50 +0200
Re: [RFC PATCH 00/30] Kernel NET policy Tom Herbert <tom@herbertland.com> - 2016-07-18 18:40 +0200
RE: [RFC PATCH 00/30] Kernel NET policy "Liang, Kan" <kan.liang@intel.com> - 2016-07-18 20:00 +0200
Re: [RFC PATCH 00/30] Kernel NET policy Daniel Borkmann <daniel@iogearbox.net> - 2016-07-18 18:30 +0200
RE: [RFC PATCH 00/30] Kernel NET policy "Liang, Kan" <kan.liang@intel.com> - 2016-07-18 20:40 +0200
Re: [RFC PATCH 00/30] Kernel NET policy Daniel Borkmann <daniel@iogearbox.net> - 2016-07-18 23:00 +0200
Re: [RFC PATCH 00/30] Kernel NET policy Alexander Duyck <alexander.duyck@gmail.com> - 2016-07-18 19:10 +0200
RE: [RFC PATCH 00/30] Kernel NET policy "Liang, Kan" <kan.liang@intel.com> - 2016-07-18 21:50 +0200
Re: [RFC PATCH 00/30] Kernel NET policy Andi Kleen <andi@firstfloor.org> - 2016-07-18 22:00 +0200
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