--- a/doc/ip-cref.tex
+++ b/doc/ip-cref.tex
-@@ -1324,6 +1324,19 @@ peers are allowed to send to us.
- If it is not given, Linux uses the value selected with \verb|sysctl|
- variable \verb|net/ipv4/tcp_reordering|.
+@@ -1307,6 +1307,19 @@ peers are allowed to send to us.
+ --- \threeonly the clamp for congestion window. It is ignored if the \verb|lock|
+ flag is not used.
+\item \verb|hoplimit NUMBER|
+
+ window size. If it is not given (or set to zero), Linux uses the
+ values specified in~\cite{RFC2414}.
+ \item \verb|advmss NUMBER|
- \item \verb|nexthop NEXTHOP|
-@@ -2653,6 +2666,9 @@ http://www.cisco.com/univercd/cc/td/doc/
- \bibitem{RFC-DHCP} R.~Droms.
- ``Dynamic Host Configuration Protocol.'', RFC-2131
+@@ -2666,6 +2679,9 @@ http://www.cisco.com/univercd/cc/td/doc/
+ \bibitem{RFC2414} M.~Allman, S.~Floyd, C.~Partridge.
+ ``Increasing TCP's Initial Window'', RFC-2414.
+\bibitem{RFC2414} M.~Allman, S.~Floyd, C.~Partridge.
+``Increasing TCP's Initial Window'', RFC-2414.
+};
+
#endif
---- a/ip/iproute.c
-+++ b/ip/iproute.c
-@@ -73,7 +73,7 @@ static void usage(void)
- fprintf(stderr, " [ rtt TIME ] [ rttvar TIME ]\n");
- fprintf(stderr, " [ window NUMBER] [ cwnd NUMBER ] [ initcwnd NUMBER ]\n");
- fprintf(stderr, " [ ssthresh NUMBER ] [ realms REALM ] [ src ADDRESS ]\n");
-- fprintf(stderr, " [ rto_min TIME ]\n");
-+ fprintf(stderr, " [ rto_min TIME ] [ hoplimit NUMBER ]\n");
- fprintf(stderr, "TYPE := [ unicast | local | broadcast | multicast | throw |\n");
- fprintf(stderr, " unreachable | prohibit | blackhole | nat ]\n");
- fprintf(stderr, "TABLE_ID := [ local | main | default | all | NUMBER ]\n");
-@@ -792,6 +792,30 @@ int iproute_modify(int cmd, unsigned fla
- invarg("\"reordering\" value is invalid\n", *argv);
- rta_addattr32(mxrta, sizeof(mxbuf), RTAX_REORDERING, reord);
- #endif
-+#ifdef RTAX_HOPLIMIT
-+ } else if (strcmp(*argv, "hoplimit") == 0) {
-+ unsigned hoplim;
-+ NEXT_ARG();
-+ if (strcmp(*argv, "lock") == 0) {
-+ mxlock |= (1<<RTAX_HOPLIMIT);
-+ NEXT_ARG();
-+ }
-+ if (get_unsigned(&hoplim, *argv, 0))
-+ invarg("\"hoplimit\" value is invalid\n", *argv);
-+ rta_addattr32(mxrta, sizeof(mxbuf), RTAX_HOPLIMIT, hoplim);
-+#endif
-+#ifdef RTAX_INITCWND
-+ } else if (strcmp(*argv, "initcwnd") == 0) {
-+ unsigned initcwnd;
-+ NEXT_ARG();
-+ if (strcmp(*argv, "lock") == 0) {
-+ mxlock |= (1<<RTAX_HOPLIMIT);
-+ NEXT_ARG();
-+ }
-+ if (get_unsigned(&initcwnd, *argv, 0))
-+ invarg("\"initcwnd\" value is invalid\n", *argv);
-+ rta_addattr32(mxrta, sizeof(mxbuf), RTAX_INITCWND, initcwnd);
-+#endif
- } else if (strcmp(*argv, "rtt") == 0) {
- unsigned rtt;
- NEXT_ARG();
--- a/ip/iptunnel.c
+++ b/ip/iptunnel.c
-@@ -134,7 +134,7 @@ static int parse_args(int argc, char **a
+@@ -129,7 +129,7 @@ static int parse_args(int argc, char **a
NEXT_ARG();
p->o_flags |= GRE_KEY;
if (strchr(*argv, '.'))
fprintf(stderr, "invalid value of \"okey\"\n");
--- a/Makefile
+++ b/Makefile
-@@ -49,7 +49,7 @@ install: all
+@@ -57,7 +57,7 @@ install: all
$(DESTDIR)$(DOCDIR)/examples
install -m 0644 $(shell find examples/diffserv -maxdepth 1 -type f) \
$(DESTDIR)$(DOCDIR)/examples/diffserv
install -m 0644 $(shell find etc/iproute2 -maxdepth 1 -type f) $(DESTDIR)$(CONFDIR)
install -m 0755 -d $(DESTDIR)$(MANDIR)/man8
install -m 0644 $(shell find man/man8 -maxdepth 1 -type f) $(DESTDIR)$(MANDIR)/man8
-@@ -67,7 +67,7 @@ snapshot:
+@@ -75,7 +75,7 @@ snapshot:
clean:
rm -f cscope.*
--- a/tc/Makefile
+++ b/tc/Makefile
-@@ -14,6 +14,7 @@ TCMODULES += q_cbq.o
+@@ -15,6 +15,7 @@ TCMODULES += q_cbq.o
TCMODULES += q_rr.o
TCMODULES += q_multiq.o
TCMODULES += q_netem.o
+++ /dev/null
---- a/tc/q_htb.c
-+++ b/tc/q_htb.c
-@@ -35,10 +35,14 @@ static void explain(void)
- " default minor id of class to which unclassified packets are sent {0}\n"
- " r2q DRR quantums are computed as rate in Bps/r2q {10}\n"
- " debug string of 16 numbers each 0-3 {0}\n\n"
-- "... class add ... htb rate R1 burst B1 [prio P] [slot S] [pslot PS]\n"
-+ "... class add ... htb rate R1 [burst B1] [mpu B] [overhead O]\n"
-+ " [prio P] [slot S] [pslot PS]\n"
- " [ceil R2] [cburst B2] [mtu MTU] [quantum Q]\n"
- " rate rate allocated to this class (class can still borrow)\n"
- " burst max bytes burst which can be accumulated during idle period {computed}\n"
-+ " mpu minimum packet size used in rate computations\n"
-+ " overhead per-packet size overhead used in rate computations\n"
-+
- " ceil definite upper class rate (no borrows) {rate}\n"
- " cburst burst but for ceil {computed}\n"
- " mtu max packet size we create rate map for {1600}\n"
-@@ -103,7 +107,9 @@ static int htb_parse_class_opt(struct qd
- struct tc_htb_opt opt;
- __u32 rtab[256],ctab[256];
- unsigned buffer=0,cbuffer=0;
-- int cell_log=-1,ccell_log = -1,mtu;
-+ int cell_log=-1,ccell_log = -1;
-+ unsigned mtu, mpu;
-+ unsigned char mpu8 = 0, overhead = 0;
- struct rtattr *tail;
-
- memset(&opt, 0, sizeof(opt)); mtu = 1600; /* eth packet len */
-@@ -120,6 +126,16 @@ static int htb_parse_class_opt(struct qd
- if (get_u32(&mtu, *argv, 10)) {
- explain1("mtu"); return -1;
- }
-+ } else if (matches(*argv, "mpu") == 0) {
-+ NEXT_ARG();
-+ if (get_u8(&mpu8, *argv, 10)) {
-+ explain1("mpu"); return -1;
-+ }
-+ } else if (matches(*argv, "overhead") == 0) {
-+ NEXT_ARG();
-+ if (get_u8(&overhead, *argv, 10)) {
-+ explain1("overhead"); return -1;
-+ }
- } else if (matches(*argv, "quantum") == 0) {
- NEXT_ARG();
- if (get_u32(&opt.quantum, *argv, 10)) {
-@@ -191,14 +207,18 @@ static int htb_parse_class_opt(struct qd
- if (!buffer) buffer = opt.rate.rate / HZ + mtu;
- if (!cbuffer) cbuffer = opt.ceil.rate / HZ + mtu;
-
-- if ((cell_log = tc_calc_rtable(opt.rate.rate, rtab, cell_log, mtu, 0)) < 0) {
-+/* encode overhead and mpu, 8 bits each, into lower 16 bits */
-+ mpu = (unsigned)mpu8 | (unsigned)overhead << 8;
-+ opt.ceil.mpu = mpu; opt.rate.mpu = mpu;
-+
-+ if ((cell_log = tc_calc_rtable(opt.rate.rate, rtab, cell_log, mtu, mpu)) < 0) {
- fprintf(stderr, "htb: failed to calculate rate table.\n");
- return -1;
- }
- opt.buffer = tc_calc_xmittime(opt.rate.rate, buffer);
- opt.rate.cell_log = cell_log;
-
-- if ((ccell_log = tc_calc_rtable(opt.ceil.rate, ctab, cell_log, mtu, 0)) < 0) {
-+ if ((ccell_log = tc_calc_rtable(opt.ceil.rate, ctab, cell_log, mtu, mpu)) < 0) {
- fprintf(stderr, "htb: failed to calculate ceil rate table.\n");
- return -1;
- }
-@@ -222,6 +242,7 @@ static int htb_print_opt(struct qdisc_ut
- double buffer,cbuffer;
- SPRINT_BUF(b1);
- SPRINT_BUF(b2);
-+ SPRINT_BUF(b3);
-
- if (opt == NULL)
- return 0;
-@@ -244,10 +265,16 @@ static int htb_print_opt(struct qdisc_ut
- fprintf(f, "ceil %s ", sprint_rate(hopt->ceil.rate, b1));
- cbuffer = ((double)hopt->ceil.rate*tc_core_tick2usec(hopt->cbuffer))/1000000;
- if (show_details) {
-- fprintf(f, "burst %s/%u mpu %s ", sprint_size(buffer, b1),
-- 1<<hopt->rate.cell_log, sprint_size(hopt->rate.mpu, b2));
-- fprintf(f, "cburst %s/%u mpu %s ", sprint_size(cbuffer, b1),
-- 1<<hopt->ceil.cell_log, sprint_size(hopt->ceil.mpu, b2));
-+ fprintf(f, "burst %s/%u mpu %s overhead %s ",
-+ sprint_size(buffer, b1),
-+ 1<<hopt->rate.cell_log,
-+ sprint_size(hopt->rate.mpu&0xFF, b2),
-+ sprint_size((hopt->rate.mpu>>8)&0xFF, b3));
-+ fprintf(f, "cburst %s/%u mpu %s overhead %s ",
-+ sprint_size(cbuffer, b1),
-+ 1<<hopt->ceil.cell_log,
-+ sprint_size(hopt->ceil.mpu&0xFF, b2),
-+ sprint_size((hopt->ceil.mpu>>8)&0xFF, b3));
- fprintf(f, "level %d ", (int)hopt->level);
- } else {
- fprintf(f, "burst %s ", sprint_size(buffer, b1));
projects / openwrt / staging / stintel.git / commitdiff