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net: simplify calculation of number of queues

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This commit is contained in:
Gleb Natapov
2014-12-11 12:58:26 +02:00
committed by Avi Kivity
parent 649210b5b6
commit da53dcff80
1 changed files with 3 additions and 9 deletions
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12
net/dpdk.cc
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@@ -94,7 +94,7 @@ private:
class dpdk_device : public device {
uint8_t _port_idx;
uint8_t _num_queues;
uint16_t _num_queues;
net::hw_features _hw_features;
uint8_t _queues_ready = 0;
@@ -123,7 +123,7 @@ private:
public:
dpdk_device(boost::program_options::variables_map opts,
uint8_t port_idx, uint8_t num_queues)
uint8_t port_idx, uint16_t num_queues)
: _port_idx(port_idx)
, _num_queues(num_queues) {
_rx_conf_default.rx_thresh.pthresh = default_pthresh;
@@ -237,13 +237,7 @@ int dpdk_device::init_port()
printf("Port %d: max_rx_queues %d max_tx_queues %d\n",
_port_idx, _dev_info.max_rx_queues, _dev_info.max_tx_queues);
if (_num_queues > _dev_info.max_rx_queues) {
_num_queues = _dev_info.max_rx_queues;
}
if (_num_queues > _dev_info.max_tx_queues) {
_num_queues = _dev_info.max_tx_queues;
}
_num_queues = std::min({_num_queues, _dev_info.max_rx_queues, _dev_info.max_tx_queues});
printf("Port %d: using %d %s\n", _port_idx, _num_queues,
(_num_queues > 1) ? "queues" : "queue");