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Increment the pending packets more aggressively for TSO

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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
This commit is contained in:
Bryan Venteicher 2014-06-20 02:54:04 +00:00
parent 1204e3745a
commit 2a87457c75
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=267663
1 changed files with 3 additions and 3 deletions
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6
sys/dev/vmware/vmxnet3/if_vmx.c
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@ -2856,7 +2856,8 @@ vmxnet3_txq_encap(struct vmxnet3_txqueue *txq, struct mbuf **m0)
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 vmxnet3_txqueue *txq, struct mbuf *m)
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