Date: Sat, 29 Sep 2007 22:40:20 GMT From: Kip Macy <kmacy@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 126995 for review Message-ID: <200709292240.l8TMeK7E050797@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=126995 Change 126995 by kmacy@kmacy_home:ethng on 2007/09/29 22:39:27 opportunistically coalesce unless disabled Affected files ... .. //depot/projects/ethng/src/sys/dev/cxgb/cxgb_multiq.c#23 edit Differences ... ==== //depot/projects/ethng/src/sys/dev/cxgb/cxgb_multiq.c#23 (text+ko) ==== @@ -93,7 +93,7 @@ #endif extern struct sysctl_oid_list sysctl__hw_cxgb_children; -static int cxgb_pcpu_tx_coalesce = 0; +static int cxgb_pcpu_tx_coalesce = 1; TUNABLE_INT("hw.cxgb.tx_coalesce", &cxgb_pcpu_tx_coalesce); SYSCTL_UINT(_hw_cxgb, OID_AUTO, tx_coalesce, CTLFLAG_RDTUN, &cxgb_pcpu_tx_coalesce, 0, "coalesce small packets into a single work request"); @@ -213,16 +213,10 @@ size += m->m_pkthdr.len; m_vec[count++] = m; -#ifndef COALESCE_ALWAYS - if (count == TX_WR_COUNT_MAX || (sc->tunq_coalesce == 0) || (cxgb_pcpu_tx_coalesce == 0)) + + if (count == TX_WR_COUNT_MAX || (cxgb_pcpu_tx_coalesce == 0)) break; -#else - /* - * XXX testing only - */ - if (count == TX_WR_COUNT_MAX) - break; -#endif + coalesced++; } txq->txq_coalesced += coalesced;
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