The AF_IB uses a 64-bit service id (SID), which the
user can control through the use of a mask. The rdma_cm
will assign values to the unmasked portions of the SID
based on the selected port space and port number.
Because the IB spec divides the SID range into several regions,
a SID/mask combinati
On 11/4/2011 9:08 AM, Hefty, Sean wrote:
+static struct idr *cma_select_ib_ps(struct rdma_id_private *id_priv)
+{
+ struct idr *ps = NULL;
+ struct sockaddr_ib *sib;
+ u64 sid_ps, mask, sid;
+
+ sib = (struct sockaddr_ib *)&id_priv->id.route.addr.src_addr;
+ mask = b
On 11/4/2011 9:08 AM, Hefty, Sean wrote:
+static struct idr *cma_select_ib_ps(struct rdma_id_private *id_priv)
[...]
+ if (ps) {
+ sib->sib_sid = cpu_to_be64(sid_ps | ntohs(cma_port((struct
sockaddr *) sib)));
+ sib->sib_sid_mask = cpu_to_be64(RDMA_IB_IP_PS_MASK
> On 11/4/2011 9:08 AM, Hefty, Sean wrote:
> > +static struct idr *cma_select_ib_ps(struct rdma_id_private *id_priv)
> > +{
> > + struct idr *ps = NULL;
> > + struct sockaddr_ib *sib;
> > + u64 sid_ps, mask, sid;
> > +
> > + sib = (struct sockaddr_ib *)&id_priv->id.route.addr.src_addr;
> >
> > +static struct idr *cma_select_ib_ps(struct rdma_id_private *id_priv)
> > [...]
> > + if (ps) {
> > + sib->sib_sid = cpu_to_be64(sid_ps | ntohs(cma_port((struct
> sockaddr *) sib)));
> > + sib->sib_sid_mask = cpu_to_be64(RDMA_IB_IP_PS_MASK | sib-
> >sib_sid_mask);
> > +
> > +static struct idr *cma_select_ib_ps(struct rdma_id_private *id_priv)
> > [...]
> > + if (ps) {
> > + sib->sib_sid = cpu_to_be64(sid_ps | ntohs(cma_port((struct
> sockaddr *) sib)));
> > + sib->sib_sid_mask = cpu_to_be64(RDMA_IB_IP_PS_MASK | sib-
> >sib_sid_mask);
> > +
On Sat, Dec 3, 2011 at 12:41 AM, Hefty, Sean wrote:
> What sparse settings did you use to produce this warning?
make CF="-D__CHECK_ENDIAN__" C=2
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