diff options
| author | Jason Gunthorpe <jgunthorpe@obsidianresearch.com> | 2009-11-19 23:55:22 +0300 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2009-11-19 23:55:22 +0300 |
| commit | e2e626972e652d18520f84d69fc06cfa307d11ff (patch) | |
| tree | dbb6f1cd534795a6ae3b1556cef44cb7b57da0c6 /drivers/infiniband/core | |
| parent | 1c9b281997b5876c0c8ed62506b56db89d262b57 (diff) | |
| download | linux-e2e626972e652d18520f84d69fc06cfa307d11ff.tar.xz | |
RDMA/cma: Fix AF_INET6 support in multicast joining
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 <jgunthorpe@obsidianresearch.com>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/core')
| -rw-r--r-- | drivers/infiniband/core/cma.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 8bb2cf4031ae..052b4c01745d 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -2691,6 +2691,11 @@ 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) |