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net: start rx polling only after upper layer is ready to receive

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This commit is contained in:
Gleb Natapov
2015-02-12 15:46:09 +02:00
committed by Avi Kivity
parent a258f290b5
commit d4e3cafd10
1 changed files with 7 additions and 2 deletions
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9
net/dpdk.cc
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@@ -814,6 +814,7 @@ class dpdk_qp : public net::qp {
public:
explicit dpdk_qp(dpdk_device* dev, uint8_t qid);
virtual void rx_start() override;
virtual future<> send(packet p) override {
abort();
}
@@ -921,7 +922,7 @@ private:
rte_mempool *_pktmbuf_pool_rx;
void *_rx_xmem = nullptr;
tx_buf_factory _tx_buf_factory;
reactor::poller _rx_poller;
std::experimental::optional<reactor::poller> _rx_poller;
reactor::poller _tx_gc_poller;
std::vector<rte_mbuf*> _tx_burst;
uint16_t _tx_burst_idx = 0;
@@ -1191,7 +1192,6 @@ template <bool HugetlbfsMemBackend>
dpdk_qp<HugetlbfsMemBackend>::dpdk_qp(dpdk_device* dev, uint8_t qid)
: _dev(dev), _qid(qid),
_tx_buf_factory(qid),
_rx_poller([&] { return poll_rx_once(); }),
_tx_gc_poller([&] { return _tx_buf_factory.gc(); })
{
if (!init_rx_mbuf_pool()) {
@@ -1218,6 +1218,11 @@ dpdk_qp<HugetlbfsMemBackend>::dpdk_qp(dpdk_device* dev, uint8_t qid)
}
}
template <bool HugetlbfsMemBackend>
void dpdk_qp<HugetlbfsMemBackend>::rx_start() {
_rx_poller = reactor::poller([&] { return poll_rx_once(); });
}
template <bool HugetlbfsMemBackend>
void dpdk_qp<HugetlbfsMemBackend>::process_packets(
struct rte_mbuf **bufs, uint16_t count)