Date: Sat, 29 Sep 2007 22:37:16 GMT From: Kip Macy <kmacy@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 126994 for review Message-ID: <200709292237.l8TMbGNV050639@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=126994 Change 126994 by kmacy@kmacy_home:ethng on 2007/09/29 22:36:57 don't defer immediate send if enough packets have been enqueued Affected files ... .. //depot/projects/ethng/src/sys/dev/cxgb/cxgb_multiq.c#22 edit Differences ... ==== //depot/projects/ethng/src/sys/dev/cxgb/cxgb_multiq.c#22 (text+ko) ==== @@ -135,6 +135,7 @@ if (((prod + 1) & mask) != cons) { mr->mr_ring[prod] = m; mr->mr_prod = (prod + 1) & mask; + mb(); } else { txq->txq_drops++; err = ENOBUFS; @@ -497,7 +498,7 @@ txq = &qs->txq[TXQ_ETH]; - if ((sc->tunq_coalesce == 0) && mtx_trylock(&txq->lock)) { + if (((sc->tunq_coalesce == 0) || (mbuf_ring_count(&txq->txq_mr) > TX_WR_COUNT_MAX)) && mtx_trylock(&txq->lock)) { txq->flags |= TXQ_TRANSMITTING; err = cxgb_pcpu_start_(qs, immpkt, FALSE); txq->flags &= ~TXQ_TRANSMITTING;
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