net/rds: Use rdma_read_gids to read connection GIDs
Use the newly introduced rdma_read_gids() to read the SGID and DGID for the connection which returns GID correctly for RoCE transport as well. rdma_addr_get_dgid() for RoCE for client side connections returns MAC address, instead of DGID. rdma_addr_get_sgid() for RoCE doesn't return correct SGID for IPv6 and when more than one IP address is assigned to the netdevice. Therefore use transport agnostic rdma_read_gids() API provided by rdma_cm module. Signed-off-by: Parav Pandit <parav@mellanox.com> Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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