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examples/vhost: increase maximum queue number

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Increase MAX_QUEUES from 256 to 512.

In vhost example, MAX_QUEUES macro should be the maximum possible queue number of the port.
Theoretically we should only set up the queues that are used, i.e., first rx queue of each pool, or
at most queues from 0 to MAX_QUEUES. Before we revise the implementation and are certain all NICs support
this well, add a remind message to user.

Signed-off-by: Huawei Xie <huawei.xie@intel.com>
This commit is contained in:
Huawei Xie 2014-12-10 02:49:44 +08:00 committed by Thomas Monjalon
parent 0b04f881a8
commit 8bd6c395a5
1 changed files with 7 additions and 1 deletions
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8
examples/vhost/main.c
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@ -53,7 +53,7 @@
#include "main.h"
#define MAX_QUEUES 256
#define MAX_QUEUES 512
/* the maximum number of external ports supported */
#define MAX_SUP_PORTS 1
@ -380,6 +380,12 @@ port_init(uint8_t port)
/* The max pool number from dev_info will be used to validate the pool number specified in cmd line */
rte_eth_dev_info_get (port, &dev_info);
if (dev_info.max_rx_queues > MAX_QUEUES) {
rte_exit(EXIT_FAILURE,
"please define MAX_QUEUES no less than %u in %s\n",
dev_info.max_rx_queues, __FILE__);
}
rxconf = &dev_info.default_rxconf;
txconf = &dev_info.default_txconf;
rxconf->rx_drop_en = 1;