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Shared core functionality for messages #149

Merged
merged 10 commits into from
Jul 27, 2019
Merged

Shared core functionality for messages #149

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46bbc96
Merge pull request #134 from sdnfv/develop
koolzz Jun 4, 2019
ea0bf0c
Merge pull request #144 from sdnfv/develop
koolzz Jun 9, 2019
c12d26d
Merge pull request #146 from sdnfv/develop
koolzz Jun 12, 2019
ed5295b
Shared cores for messages
Jun 25, 2019
c00f6a2
Merge branch 'develop' of https://github.com/sdnfv/openNetVM into sha…
Jun 27, 2019
e700b57
Rm line
Jun 27, 2019
e34497a
nf context, not nf
Jun 27, 2019
be13c4a
Moved functionality to main thread
Jul 8, 2019
9d435db
Adding macro for msg threshold
Jul 19, 2019
cf8aa2a
Update NF_Dev.md
dennisafa Jul 25, 2019
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2 changes: 1 addition & 1 deletion onvm/onvm_nflib/onvm_common.h
100644 → 100755
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Original file line number Diff line number Diff line change
Expand Up @@ -469,7 +469,7 @@ get_sem_name(unsigned id) {

static inline int
whether_wakeup_client(struct onvm_nf *nf, struct nf_wakeup_info *nf_wakeup_info) {
if (rte_ring_count(nf->rx_q) < PKT_WAKEUP_THRESHOLD)
if (rte_ring_count(nf->rx_q) < PKT_WAKEUP_THRESHOLD && rte_ring_count(nf->msg_q) == 0)
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return 0;

/* Check if its already woken up */
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13 changes: 8 additions & 5 deletions onvm/onvm_nflib/onvm_nflib.c
100644 → 100755
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Expand Up @@ -555,6 +555,14 @@ onvm_nflib_thread_main_loop(void *arg) {

start_time = rte_get_tsc_cycles();
for (;rte_atomic16_read(&nf_local_ctx->keep_running) && rte_atomic16_read(&main_nf_local_ctx->keep_running);) {
/* Possibly sleep if in shared core mode, otherwise continue */
if (ONVM_NF_SHARE_CORES) {
if (unlikely(rte_ring_count(nf->rx_q) == 0) && likely(rte_ring_count(nf->msg_q) == 0)) {
rte_atomic16_set(nf->shared_core.sleep_state, 1);
sem_wait(nf->shared_core.nf_mutex);
}
}

nb_pkts_added =
onvm_nflib_dequeue_packets((void **)pkts, nf_local_ctx, nf->function_table->pkt_handler);

Expand Down Expand Up @@ -908,12 +916,7 @@ onvm_nflib_dequeue_packets(void **pkts, struct onvm_nf_local_ctx *nf_local_ctx,
/* Dequeue all packets in ring up to max possible. */
nb_pkts = rte_ring_dequeue_burst(nf->rx_q, pkts, PACKET_READ_SIZE, NULL);

/* Possibly sleep if in shared core mode, otherwise return */
if (unlikely(nb_pkts == 0)) {
if (ONVM_NF_SHARE_CORES) {
rte_atomic16_set(nf->shared_core.sleep_state, 1);
sem_wait(nf->shared_core.nf_mutex);
}
return 0;
}

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