Author: shurd
Date: Fri Jun 8 21:49:19 2018
New Revision: 334862
URL: https://svnweb.freebsd.org/changeset/base/334862
Log:
Remove tx task spinning added in r333686
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
Modified:
head/sys/net/iflib.c
Modified: head/sys/net/iflib.c
==============================================================================
--- head/sys/net/iflib.c Fri Jun 8 21:47:17 2018 (r334861)
+++ head/sys/net/iflib.c Fri Jun 8 21:49:19 2018 (r334862)
@@ -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;
}
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