diff options
| author | Daniel Hartmeier <dhartmei@cvs.openbsd.org> | 2003-03-02 12:00:40 +0000 |
|---|---|---|
| committer | Daniel Hartmeier <dhartmei@cvs.openbsd.org> | 2003-03-02 12:00:40 +0000 |
| commit | e8e690098213a69ee896b7600665fbf369b2ebb0 (patch) | |
| tree | 9b27d011036d88ccff4634202e1bd5d60256f547 /sys/net | |
| parent | 2a645f2feb5ab98793e620e3f9b6ac75db23ba2c (diff) | |
Use priority queue for TCP ACKs that have no payload. Very useful on
asymmetric links. ok henning@, cedric@
Diffstat (limited to 'sys/net')
| -rw-r--r-- | sys/net/pf.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/net/pf.c b/sys/net/pf.c index 0a55f997099..9bf3b337dbb 100644 --- a/sys/net/pf.c +++ b/sys/net/pf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pf.c,v 1.324 2003/02/27 13:35:57 henning Exp $ */ +/* $OpenBSD: pf.c,v 1.325 2003/03/02 12:00:39 dhartmei Exp $ */ /* * Copyright (c) 2001 Daniel Hartmeier @@ -4229,6 +4229,7 @@ pf_test(int dir, struct ifnet *ifp, struct mbuf **m0) struct pf_state *s = NULL; struct pf_pdesc pd; int off; + int pqid = 0; if (!pf_status.running || (m_tag_find(m, PACKET_TAG_PF_GENERATED, NULL) != NULL)) @@ -4293,6 +4294,8 @@ pf_test(int dir, struct ifnet *ifp, struct mbuf **m0) goto done; } pd.p_len = pd.tot_len - off - (th.th_off << 2); + if ((th.th_flags & TH_ACK) && pd.p_len == 0) + pqid = 1; action = pf_normalize_tcp(dir, ifp, m, 0, off, h, &pd); if (action == PF_DROP) break; @@ -4402,7 +4405,7 @@ done: mtag = m_tag_get(PACKET_TAG_PF_QID, sizeof(*atag), M_NOWAIT); if (mtag != NULL) { atag = (struct altq_tag *)(mtag + 1); - if (pd.tos == IPTOS_LOWDELAY) + if (pqid || pd.tos == IPTOS_LOWDELAY) atag->qid = r->pqid; else atag->qid = r->qid; |