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Remove tx task spinning added in r333686

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This caused issues with PASTE.  Just remove the reschedule since the DELAY()
should be enough for use cases such as pkt-gen which were failing before the
change.

Reported by:	Michio Honda
Sponsored by:	Limelight Networks
This commit is contained in:
shurd 2018-06-08 21:49:19 +00:00
parent 844f744aa6
commit f7f3ce47d0
1 changed files with 0 additions and 10 deletions
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10
sys/net/iflib.c
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@ -3728,16 +3728,6 @@ _task_fn_tx(void *context)
*/
if (ctx->isc_txd_credits_update(ctx->ifc_softc, txq->ift_id, false))
netmap_tx_irq(ifp, txq->ift_id);
else {
#ifdef DEV_NETMAP
if (!(ctx->ifc_flags & IFC_NETMAP_TX_IRQ)) {
struct netmap_kring *kring = NA(ctx->ifc_ifp)->tx_rings[txq->ift_id];
if (kring->nr_hwtail != nm_prev(kring->rhead, kring->nkr_num_slots - 1))
GROUPTASK_ENQUEUE(&txq->ift_task);
}
#endif
}
IFDI_TX_QUEUE_INTR_ENABLE(ctx, txq->ift_id);
return;
}