>If joining to an AF_INET6 address we need to map the address to a MGID >in the same way as the IP stack. The old code would just fall through to >the IPv4 case and generate garbage. > >Signed-off-by: Jason Gunthorpe <[email protected]>
Acked-by: Sean Hefty <[email protected]> >--- > drivers/infiniband/core/cma.c | 5 +++++ > 1 files changed, 5 insertions(+), 0 deletions(-) > >Sean: Sounded like you approve? yes - thanks. I either missed this or dropped it when you first posted it. >diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c >index a0fa241..1e9a78a 100644 >--- a/drivers/infiniband/core/cma.c >+++ b/drivers/infiniband/core/cma.c >@@ -2724,6 +2724,11 @@ static void cma_set_mgid(struct rdma_id_private >*id_priv, > 0xFF10A01B)) { > /* IPv6 address is an SA assigned MGID. */ > memcpy(mgid, &sin6->sin6_addr, sizeof *mgid); >+ } else if ((addr->sa_family == AF_INET6)) { >+ ipv6_ib_mc_map(&sin6->sin6_addr, dev_addr->broadcast, mc_map); >+ if (id_priv->id.ps == RDMA_PS_UDP) >+ mc_map[7] = 0x01; /* Use RDMA CM signature */ >+ *mgid = *(union ib_gid *) (mc_map + 4); > } else { > ip_ib_mc_map(sin->sin_addr.s_addr, dev_addr->broadcast, mc_map); > if (id_priv->id.ps == RDMA_PS_UDP) >-- >1.5.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
