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app/testpmd: limit number of forwarding cores

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Number of forwarding cores must be equal or less than
number of forwarding streams, otherwise two cores
would try to use a same queue on a port, which is not allowed.

Fixes: f2bb7ae1d204 ("app/testpmd: handle all Rx queues in RSS setup")

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Tested-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
This commit is contained in:
Pablo de Lara 2016-06-27 23:35:19 +01:00 committed by Thomas Monjalon
parent 863bfb4744
commit 017d680a91
1 changed files with 4 additions and 0 deletions
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4
app/test-pmd/config.c
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@ -1236,6 +1236,10 @@ rss_fwd_config_setup(void)
cur_fwd_config.nb_fwd_streams =
(streamid_t) (nb_q * cur_fwd_config.nb_fwd_ports);
if (cur_fwd_config.nb_fwd_streams < cur_fwd_config.nb_fwd_lcores)
cur_fwd_config.nb_fwd_lcores =
(lcoreid_t)cur_fwd_config.nb_fwd_streams;
/* reinitialize forwarding streams */
init_fwd_streams();