From 81668838c4583b19276b16382e0c61e21ef5adf0 Mon Sep 17 00:00:00 2001 From: Sean Hefty Date: Thu, 2 Aug 2007 12:21:31 -0700 Subject: [PATCH] IPoIB: Specify Traffic Class with path record queries for QoS support 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 [ See some comments I made on this at v1 and v2 of the posts ] Reviewed-by: Or Gerlitz Signed-off-by: Roland Dreier --- drivers/infiniband/ulp/ipoib/ipoib.h | 22 ++++++++++++++++++- drivers/infiniband/ulp/ipoib/ipoib_main.c | 8 ++++--- .../infiniband/ulp/ipoib/ipoib_multicast.c | 22 ------------------- 3 files changed, 26 insertions(+), 26 deletions(-) diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index 285c143115..fc16bced8e 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -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; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 5f948b9a99..900335a36e 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -468,9 +468,10 @@ static struct ipoib_path *path_rec_create(struct net_device *dev, void *gid) INIT_LIST_HEAD(&path->neigh_list); memcpy(path->pathrec.dgid.raw, gid, sizeof (union ib_gid)); - path->pathrec.sgid = priv->local_gid; - path->pathrec.pkey = cpu_to_be16(priv->pkey); - path->pathrec.numb_path = 1; + 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, diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index aae367057a..94a57097e2 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -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; -- 2.39.5