leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

IPoIB: Specify Traffic Class with path record queries for QoS support

Browse Source 
To support QoS within and between subnets, modify IPoIB to request
specific Traffic Class values with path record queries, using
the value associated with the IPoIB broadcast group.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>

[ See some comments I made on this at v1 and v2 of the posts
  <http://lists.openfabrics.org/pipermail/general/2007-August/039275.html>
  <http://lists.openfabrics.org/pipermail/general/2007-September/040312.html> ]

Reviewed-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Sean Hefty 2007-08-02 12:21:31 -07:00 committed by Roland Dreier
parent 08c283ac26
commit 81668838c4
3 changed files with 26 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/infiniband/ulp/ipoib/ipoib.h
View File

@ -113,7 +113,27 @@ struct ipoib_pseudoheader {
u8 hwaddr[INFINIBAND_ALEN];
};
struct ipoib_mcast;
/* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */
struct ipoib_mcast {
struct ib_sa_mcmember_rec mcmember;
struct ib_sa_multicast *mc;
struct ipoib_ah *ah;
struct rb_node rb_node;
struct list_head list;
unsigned long created;
unsigned long backoff;
unsigned long flags;
unsigned char logcount;
struct list_head neigh_list;
struct sk_buff_head pkt_queue;
struct net_device *dev;
};
struct ipoib_rx_buf {
struct sk_buff *skb;

2
drivers/infiniband/ulp/ipoib/ipoib_main.c
View File

@ -471,6 +471,7 @@ static struct ipoib_path *path_rec_create(struct net_device *dev, void *gid)
path->pathrec.sgid = priv->local_gid;
path->pathrec.pkey = cpu_to_be16(priv->pkey);
path->pathrec.numb_path = 1;
path->pathrec.traffic_class = priv->broadcast->mcmember.traffic_class;
return path;
}
@ -491,6 +492,7 @@ static int path_rec_start(struct net_device *dev,
IB_SA_PATH_REC_DGID |
IB_SA_PATH_REC_SGID |
IB_SA_PATH_REC_NUMB_PATH |
IB_SA_PATH_REC_TRAFFIC_CLASS |
IB_SA_PATH_REC_PKEY,
1000, GFP_ATOMIC,
path_rec_completion,

22
drivers/infiniband/ulp/ipoib/ipoib_multicast.c
View File

@ -57,28 +57,6 @@ MODULE_PARM_DESC(mcast_debug_level,
static DEFINE_MUTEX(mcast_mutex);
/* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */
struct ipoib_mcast {
struct ib_sa_mcmember_rec mcmember;
struct ib_sa_multicast *mc;
struct ipoib_ah *ah;
struct rb_node rb_node;
struct list_head list;
unsigned long created;
unsigned long backoff;
unsigned long flags;
unsigned char logcount;
struct list_head neigh_list;
struct sk_buff_head pkt_queue;
struct net_device *dev;
};
struct ipoib_mcast_iter {
struct net_device *dev;
union ib_gid mgid;