On Fri, Oct 16, 2009 at 10:57 AM, Hal Rosenstock <[email protected]> wrote:
>
> rather than max table size

Please ignore this version. There's a problem I found with it which
I'm working on fixing.

-- Hal

>
> Signed-off-by: Hal Rosenstock <[email protected]>
> ---
> diff --git a/opensm/include/opensm/osm_mcast_tbl.h 
> b/opensm/include/opensm/osm_mcast_tbl.h
> index 710d199..276b7f7 100644
> --- a/opensm/include/opensm/osm_mcast_tbl.h
> +++ b/opensm/include/opensm/osm_mcast_tbl.h
> @@ -2,6 +2,7 @@
>  * Copyright (c) 2004, 2005 Voltaire, Inc. All rights reserved.
>  * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
>  * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
> + * Copyright (c) 2009 HNR Consulting. All rights reserved.
>  *
>  * This software is available to you under a choice of one of two
>  * licenses.  You may choose to be licensed under the terms of the GNU
> @@ -95,7 +96,8 @@ typedef struct osm_mcast_fwdbl {
>  *              Number of entries in the table (aka number of MLIDs 
> supported).
>  *
>  *      max_mlid_ho
> -*              Maximum MLID value (host order).
> +*              Maximum MLID (host order) configured in the multicast port 
> mask
> +*              table.
>  *
>  *      pp_mask_tbl
>  *              Pointer to a two dimensional array of port_masks for this 
> switch.
> diff --git a/opensm/opensm/osm_mcast_tbl.c b/opensm/opensm/osm_mcast_tbl.c
> index d7c9529..bdea416 100644
> --- a/opensm/opensm/osm_mcast_tbl.c
> +++ b/opensm/opensm/osm_mcast_tbl.c
> @@ -81,8 +81,6 @@ ib_api_status_t osm_mcast_tbl_init(IN osm_mcast_tbl_t * 
> p_tbl,
>                                                IB_MCAST_BLOCK_SIZE) /
>                                        IB_MCAST_BLOCK_SIZE) - 1);
>
> -       p_tbl->max_mlid_ho = (uint16_t) (IB_LID_MCAST_START_HO + capacity - 
> 1);
> -
>        /*
>           The number of bytes needed in the mask table is:
>           The (maximum bit mask 'position' + 1) times the
> @@ -122,7 +120,8 @@ void osm_mcast_tbl_set(IN osm_mcast_tbl_t * p_tbl, IN 
> uint16_t mlid_ho,
>
>        CL_ASSERT(p_tbl);
>        CL_ASSERT(mlid_ho >= IB_LID_MCAST_START_HO);
> -       CL_ASSERT(mlid_ho <= p_tbl->max_mlid_ho);
> +       CL_ASSERT(mlid_ho <= (uint16_t) (IB_LID_MCAST_START_HO +
> +                                        p_tbl->num_entries - 1));
>        CL_ASSERT(p_tbl->p_mask_tbl);
>
>        mlid_offset = mlid_ho - IB_LID_MCAST_START_HO;
> @@ -134,6 +133,8 @@ void osm_mcast_tbl_set(IN osm_mcast_tbl_t * p_tbl, IN 
> uint16_t mlid_ho,
>
>        if (block_num > p_tbl->max_block_in_use)
>                p_tbl->max_block_in_use = (uint16_t) block_num;
> +       if (mlid_ho > p_tbl->max_mlid_ho)
> +               p_tbl->max_mlid_ho = mlid_ho;
>  }
>
>  /**********************************************************************
> @@ -151,7 +152,8 @@ boolean_t osm_mcast_tbl_is_port(IN const osm_mcast_tbl_t 
> * p_tbl,
>                CL_ASSERT(port_num <=
>                          (p_tbl->max_position + 1) * IB_MCAST_MASK_SIZE);
>                CL_ASSERT(mlid_ho >= IB_LID_MCAST_START_HO);
> -               CL_ASSERT(mlid_ho <= p_tbl->max_mlid_ho);
> +               CL_ASSERT(mlid_ho <= (uint16_t) (IB_LID_MCAST_START_HO +
> +                                                p_tbl->num_entries - 1));
>
>                mlid_offset = mlid_ho - IB_LID_MCAST_START_HO;
>                mask_offset = port_num / IB_MCAST_MASK_SIZE;
> @@ -178,7 +180,8 @@ boolean_t osm_mcast_tbl_is_any_port(IN const 
> osm_mcast_tbl_t * p_tbl,
>
>        if (p_tbl->p_mask_tbl) {
>                CL_ASSERT(mlid_ho >= IB_LID_MCAST_START_HO);
> -               CL_ASSERT(mlid_ho <= p_tbl->max_mlid_ho);
> +               CL_ASSERT(mlid_ho <= (uint16_t) (IB_LID_MCAST_START_HO +
> +                                                p_tbl->num_entries - 1));
>
>                mlid_offset = mlid_ho - IB_LID_MCAST_START_HO;
>
> @@ -210,7 +213,8 @@ ib_api_status_t osm_mcast_tbl_set_block(IN 
> osm_mcast_tbl_t * p_tbl,
>
>        mlid_start_ho = (uint16_t) (block_num * IB_MCAST_BLOCK_SIZE);
>
> -       if (mlid_start_ho + IB_MCAST_BLOCK_SIZE - 1 > p_tbl->max_mlid_ho)
> +       if (mlid_start_ho + IB_MCAST_BLOCK_SIZE - 1 >
> +           p_tbl->num_entries + IB_LID_MCAST_START_HO - 1)
>                return IB_INVALID_PARAMETER;
>
>        for (i = 0; i < IB_MCAST_BLOCK_SIZE; i++)
> @@ -219,6 +223,9 @@ ib_api_status_t osm_mcast_tbl_set_block(IN 
> osm_mcast_tbl_t * p_tbl,
>        if (block_num > p_tbl->max_block_in_use)
>                p_tbl->max_block_in_use = (uint16_t) block_num;
>
> +       if (mlid_start_ho + IB_MCAST_BLOCK_SIZE - 1 > p_tbl->max_mlid_ho)
> +               p_tbl->max_mlid_ho = mlid_start_ho + IB_MCAST_BLOCK_SIZE - 1;
> +
>        return IB_SUCCESS;
>  }
>
> --
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