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reclaim transmitted packets on receive interrupts.

This commit is contained in:
matt 2000-05-28 01:28:52 +00:00
parent a3ab2a3d02
commit 2864a7186a
1 changed files with 6 additions and 4 deletions
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10
sys/dev/ic/pdq.c
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@ -1,4 +1,4 @@
/* $NetBSD: pdq.c,v 1.28 1999/12/27 22:41:04 matt Exp $ */
/* $NetBSD: pdq.c,v 1.29 2000/05/28 01:28:52 matt Exp $ */
/*-
* Copyright (c) 1995,1996 Matt Thomas <matt@3am-software.com>
@ -1031,6 +1031,7 @@ pdq_process_transmitted_data(
volatile const pdq_consumer_block_t *cbp = pdq->pdq_cbp;
pdq_descriptor_block_t *dbp = pdq->pdq_dbp;
pdq_uint32_t completion = tx->tx_completion;
int reclaimed = 0;
while (completion != cbp->pdqcb_transmits) {
PDQ_OS_DATABUF_T *pdu;
@ -1040,7 +1041,7 @@ pdq_process_transmitted_data(
PDQ_OS_DATABUF_DEQUEUE(&tx->tx_txq, pdu);
pdq_os_transmit_done(pdq, pdu);
tx->tx_free += descriptor_count;
reclaimed = 1;
PDQ_ADVANCE(completion, descriptor_count, PDQ_RING_MASK(dbp->pdqdb_transmits));
}
if (tx->tx_completion != completion) {
@ -1049,7 +1050,8 @@ pdq_process_transmitted_data(
PDQ_CSR_WRITE(&pdq->pdq_csrs, csr_host_int_enable, pdq->pdq_intrmask);
pdq_os_restart_transmitter(pdq);
}
PDQ_DO_TYPE2_PRODUCER(pdq);
if (reclaimed)
PDQ_DO_TYPE2_PRODUCER(pdq);
}
void
@ -1430,7 +1432,7 @@ pdq_interrupt(
PDQ_RING_MASK(pdq->pdq_dbp->pdqdb_host_smt));
PDQ_DO_HOST_SMT_PRODUCER(pdq);
}
if (data & PDQ_PSTS_XMT_DATA_PENDING)
/* if (data & PDQ_PSTS_XMT_DATA_PENDING) */
pdq_process_transmitted_data(pdq);
if (data & PDQ_PSTS_UNSOL_PENDING)
pdq_process_unsolicited_events(pdq);