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net/hyperv: Add support for promiscuous mode setting 

Add code to accept promiscuous mode setting, and pass it to
RNDIS filter.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Haiyang Zhang 2011-11-30 07:19:08 -08:00 committed by Greg Kroah-Hartman
parent c18132005e
commit d426b2e3d9
3 changed files with 68 additions and 25 deletions
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24
drivers/net/hyperv/hyperv_net.h
View File

@ -87,6 +87,27 @@ struct netvsc_device_info {
int ring_size;
};
enum rndis_device_state {
RNDIS_DEV_UNINITIALIZED = 0,
RNDIS_DEV_INITIALIZING,
RNDIS_DEV_INITIALIZED,
RNDIS_DEV_DATAINITIALIZED,
};
struct rndis_device {
struct netvsc_device *net_dev;
enum rndis_device_state state;
bool link_state;
atomic_t new_req_id;
spinlock_t request_lock;
struct list_head req_list;
unsigned char hw_mac_adr[ETH_ALEN];
};
/* Interface */
int netvsc_device_add(struct hv_device *device, void *additional_info);
int netvsc_device_remove(struct hv_device *device);
@ -109,6 +130,9 @@ int rndis_filter_receive(struct hv_device *dev,
int rndis_filter_send(struct hv_device *dev,
struct hv_netvsc_packet *pkt);
int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
#define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF)
#define NVSP_PROTOCOL_VERSION_1 2

46
drivers/net/hyperv/netvsc_drv.c
View File

@ -56,11 +56,51 @@ static int ring_size = 128;
module_param(ring_size, int, S_IRUGO);
MODULE_PARM_DESC(ring_size, "Ring buffer size (# of pages)");
/* no-op so the netdev core doesn't return -EINVAL when modifying the the
* multicast address list in SIOCADDMULTI. hv is setup to get all multicast
* when it calls RndisFilterOnOpen() */
struct set_multicast_work {
struct work_struct work;
struct net_device *net;
};
static void do_set_multicast(struct work_struct *w)
{
struct set_multicast_work *swk =
container_of(w, struct set_multicast_work, work);
struct net_device *net = swk->net;
struct net_device_context *ndevctx = netdev_priv(net);
struct netvsc_device *nvdev;
struct rndis_device *rdev;
nvdev = hv_get_drvdata(ndevctx->device_ctx);
if (nvdev == NULL)
return;
rdev = nvdev->extension;
if (rdev == NULL)
return;
if (net->flags & IFF_PROMISC)
rndis_filter_set_packet_filter(rdev,
NDIS_PACKET_TYPE_PROMISCUOUS);
else
rndis_filter_set_packet_filter(rdev,
NDIS_PACKET_TYPE_BROADCAST |
NDIS_PACKET_TYPE_ALL_MULTICAST |
NDIS_PACKET_TYPE_DIRECTED);
kfree(w);
}
static void netvsc_set_multicast_list(struct net_device *net)
{
struct set_multicast_work *swk =
kmalloc(sizeof(struct set_multicast_work), GFP_ATOMIC);
if (swk == NULL)
return;
swk->net = net;
INIT_WORK(&swk->work, do_set_multicast);
schedule_work(&swk->work);
}
static int netvsc_open(struct net_device *net)

23
drivers/net/hyperv/rndis_filter.c
View File

@ -30,26 +30,6 @@
#include "hyperv_net.h"
enum rndis_device_state {
RNDIS_DEV_UNINITIALIZED = 0,
RNDIS_DEV_INITIALIZING,
RNDIS_DEV_INITIALIZED,
RNDIS_DEV_DATAINITIALIZED,
};
struct rndis_device {
struct netvsc_device *net_dev;
enum rndis_device_state state;
bool link_state;
atomic_t new_req_id;
spinlock_t request_lock;
struct list_head req_list;
unsigned char hw_mac_adr[ETH_ALEN];
};
struct rndis_request {
struct list_head list_ent;
struct completion wait_event;
@ -522,8 +502,7 @@ static int rndis_filter_query_device_link_status(struct rndis_device *dev)
return ret;
}
static int rndis_filter_set_packet_filter(struct rndis_device *dev,
u32 new_filter)
int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter)
{
struct rndis_request *request;
struct rndis_set_request *set;