[ofa-general] [PATCH] opensm: set hop limit when creating ipoib multicast groups

[Hal Rosenstock]

On 8/30/07, Rolf Manderscheid <rvm at obsidianresearch.com> wrote:
> Hi Sasha,
>
> This patch sets the hop limit for the IPv4 broadcast groups so that broadcasts work
> through IB routers.
>
> Signed-off-by: Rolf Manderscheid <rvm at obsidianresearch.com>
>
> ---
>
> diff --git a/opensm/opensm/osm_prtn.c b/opensm/opensm/osm_prtn.c
> index 46ee429..fc000b1 100644
> --- a/opensm/opensm/osm_prtn.c
> +++ b/opensm/opensm/osm_prtn.c
> @@ -213,7 +213,7 @@ ib_api_status_t osm_prtn_add_mcgroup(osm_log_t * p_log,
>        mc_rec.pkey = pkey;
>        mc_rec.rate = (rate ? rate : OSM_DEFAULT_MGRP_RATE) | (2 << 6); /* 10Gb/sec */
>        mc_rec.pkt_life = OSM_DEFAULT_SUBNET_TIMEOUT;
> -       mc_rec.sl_flow_hop = ib_member_set_sl_flow_hop(p->sl, 0, 0);
> +       mc_rec.sl_flow_hop = ib_member_set_sl_flow_hop(p->sl, 0, 0xff);

Shouldn't this be based on whether the group is local scope or not ?

-- Hal

>        /* Scope in MCMemberRecord (if present) needs to be consistent with MGID */
>        mc_rec.scope_state =
>            ib_member_set_scope_state(scope ? scope : OSM_DEFAULT_MGRP_SCOPE,
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