From: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Date: Mon, 27 Jun 2016 22:35:19 +0000 (+0100)
Subject: app/testpmd: limit number of forwarding cores
X-Git-Tag: spdx-start~6328
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=017d680a91fcf30da14a6d3a2f96d41f6dda3a0f;p=dpdk.git

app/testpmd: limit number of forwarding cores

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>
---

diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 9ccabf9108..de60284da4 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -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();