Author: bryanv
Date: Fri Jun 20 02:54:04 2014
New Revision: 267663
URL: http://svnweb.freebsd.org/changeset/base/267663
Log:
Increment the pending packets more aggressively for TSO
Assume the number of description used is reasonable value to
increment this otherwise opaque field by.
While here, reduce a minor difference between the legacy and
multiqueue transmit paths.
MFC after: 1 week
Modified:
head/sys/dev/vmware/vmxnet3/if_vmx.c
Modified: head/sys/dev/vmware/vmxnet3/if_vmx.c
==============================================================================
--- head/sys/dev/vmware/vmxnet3/if_vmx.c Fri Jun 20 02:49:03 2014
(r267662)
+++ head/sys/dev/vmware/vmxnet3/if_vmx.c Fri Jun 20 02:54:04 2014
(r267663)
@@ -2856,7 +2856,8 @@ vmxnet3_txq_encap(struct vmxnet3_txqueue
vmxnet3_barrier(sc, VMXNET3_BARRIER_WR);
sop->gen ^= 1;
- if (++txq->vxtxq_ts->npending >= txq->vxtxq_ts->intr_threshold) {
+ txq->vxtxq_ts->npending += nsegs;
+ if (txq->vxtxq_ts->npending >= txq->vxtxq_ts->intr_threshold) {
txq->vxtxq_ts->npending = 0;
vmxnet3_write_bar0(sc, VMXNET3_BAR0_TXH(txq->vxtxq_id),
txr->vxtxr_head);
@@ -2973,8 +2974,7 @@ vmxnet3_txq_mq_start_locked(struct vmxne
break;
}
- error = vmxnet3_txq_encap(txq, &m);
- if (error) {
+ if (vmxnet3_txq_encap(txq, &m) != 0) {
if (m != NULL)
drbr_putback(ifp, br, m);
else
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