Date: Thu, 23 Jul 2009 21:10:44 GMT From: Andre Oppermann <andre@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 166477 for review Message-ID: <200907232110.n6NLAiJI089363@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=166477 Change 166477 by andre@andre_t61 on 2009/07/23 21:10:13 Another go ot rcv_reass_size reporting the size of all sack'ed blocks held. Affected files ... .. //depot/projects/tcp_reass/netinet/tcp_reass.c#43 edit Differences ... ==== //depot/projects/tcp_reass/netinet/tcp_reass.c#43 (text+ko) ==== @@ -219,8 +219,8 @@ total += size; i++; } - //KASSERT(tp->rcv_reass_size == total, - // ("%s: total not correct", __func__)); + KASSERT(tp->rcv_reass_size == total, + ("%s: rcv_reass_size not correct", __func__)); LIST_FOREACH(trb, &tp->rcv_reass_sack, trb_sack) { i--; @@ -241,6 +241,7 @@ LIST_REMOVE(trb, trb_sack); if (trb->trb_m != NULL) m_freem(trb->trb_m); + tp->rcv_reass_size -= SEQ_DELTA(trb->trb_seqs, trb->trb_seqe); tp->rcv_reass_blocks--; uma_zfree(tcp_reass_zone, trb); } @@ -257,7 +258,9 @@ RB_FOREACH_SAFE(trb, tcp_ra, &tp->rcv_reass, trbn) { tcp_reass_free(tp, trb); } - //KASSERT(tp->rcv_reass_size == 0, ("%s: snd_sacked not zero", __func__)); + + KASSERT(tp->rcv_reass_size == 0, + ("%s: rcv_reass_size not zero after flushing", __func__)); } static __inline void @@ -411,6 +414,7 @@ tp->rcv_reass_dsack.end = trbs.trb_seqe; goto done; } + tp->rcv_reass_size += SEQ_DELTA(trbs.trb_seqs, trbs.trb_seqe); /* Merge in the new segment. */ (void)tcp_reass_merge(trb, &trbs); @@ -528,16 +532,16 @@ KASSERT(trb != NULL && trbn != NULL, ("%s: incomplete input", __func__)); - KASSERT(SEQ_LT(trbn->trb_seqs, trb->trb_seqs) || SEQ_GT(trbn->trb_seqe, trb->trb_seqe), - ("%s: ", __func__)); + ("%s: blocks not overlapping", __func__)); /* Replace, prepend and append. */ if (SEQ_LEQ(trbn->trb_seqs, trb->trb_seqs) && SEQ_GEQ(trbn->trb_seqe, trb->trb_seqe)) { - m_freem(trb->trb_m); + i = SEQ_DELTA(trb->trb_seqs, trbn->trb_seqe); + trb->trb_seqs = trbn->trb_seqs; trb->trb_seqe = trbn->trb_seqe; trb->trb_m = trbn->trb_m; @@ -575,10 +579,10 @@ return (NULL); trbn->trb_seqs = 0; - trbn->trb_seqe = 0; + trbn->trb_seqe = i; trbn->trb_m = NULL; trbn->trb_mt = NULL; - return (trbn); + return (trbn); } /*
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