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authorYossi Etigin <root@voltaire.com>2009-04-08 13:42:33 -0700
committerRoland Dreier <rolandd@cisco.com>2009-04-08 13:42:33 -0700
commitd2ca39f262806aa2f035f680a14aa55ff9e3d889 (patch)
treee58c94b8c6e02b72565daff9c19d156ac0f02655 /sound/oss
parent84adeee9aaa0d81712de1e0ea74caed3398e4a1d (diff)
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RDMA/cma: Create cm id even when IB port is down
When doing rdma_resolve_addr(), if the relevant IB port is down, the function fails and the cm_id is not bound to the correct device. Therefore, application does not have a device handle and cannot wait for the port to become active. The function fails because the underlying IPoIB interface is not joined to the broadcast group and therefore the SA does not have a multicast record to take a Q_Key from. The fix is to use lazy Q_Key resolution - cma_set_qkey() will set id_priv->qkey if it was not set, and will be called just before the Q_Key is really required. Signed-off-by: Yossi Etigin <yosefe@voltaire.com> Acked-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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