int
rio_interface_parser(const char *ifname, int argc, char **argv)
{
u_int bandwidth = 100000000; /* 100Mbps */
u_int tbrsize = 0;
int weight = 0; /* 0: use default */
int lo_inv_pmax = 0; /* 0: use default */
int lo_th_min = 0; /* 0: use default */
int lo_th_max = 0; /* 0: use default */
int med_inv_pmax = 0; /* 0: use default */
int med_th_min = 0; /* 0: use default */
int med_th_max = 0; /* 0: use default */
int hi_inv_pmax = 0; /* 0: use default */
int hi_th_min = 0; /* 0: use default */
int hi_th_max = 0; /* 0: use default */
int qlimit = 60;
int pkttime = 0;
int flags = 0;
int packet_size = 1000;
/*
* process options
*/
while (argc > 0) {
if (EQUAL(*argv, "bandwidth")) {
argc--; argv++;
if (argc > 0)
bandwidth = atobps(*argv);
} else if (EQUAL(*argv, "tbrsize")) {
argc--; argv++;
if (argc > 0)
tbrsize = atobytes(*argv);
} else if (EQUAL(*argv, "packetsize")) {
argc--; argv++;
if (argc > 0)
packet_size = atobytes(*argv);
} else if (EQUAL(*argv, "weight")) {
argc--; argv++;
if (argc > 0)
weight = (int)strtol(*argv, NULL, 0);
} else if (EQUAL(*argv, "qlimit")) {
argc--; argv++;
if (argc > 0)
qlimit = (int)strtol(*argv, NULL, 0);
} else if (EQUAL(*argv, "lo_thmin")) {
argc--; argv++;
if (argc > 0)
lo_th_min = (int)strtol(*argv, NULL, 0);
} else if (EQUAL(*argv, "lo_thmax")) {
argc--; argv++;
if (argc > 0)
lo_th_max = (int)strtol(*argv, NULL, 0);
} else if (EQUAL(*argv, "lo_invpmax")) {
argc--; argv++;
if (argc > 0)
lo_inv_pmax = (int)strtol(*argv, NULL, 0);
} else if (EQUAL(*argv, "med_thmin")) {
argc--; argv++;
if (argc > 0)
med_th_min = (int)strtol(*argv, NULL, 0);
} else if (EQUAL(*argv, "med_thmax")) {
argc--; argv++;
if (argc > 0)
med_th_max = (int)strtol(*argv, NULL, 0);
} else if (EQUAL(*argv, "med_invpmax")) {
argc--; argv++;
if (argc > 0)
med_inv_pmax = (int)strtol(*argv, NULL, 0);
} else if (EQUAL(*argv, "hi_thmin")) {
argc--; argv++;
if (argc > 0)
hi_th_min = (int)strtol(*argv, NULL, 0);
} else if (EQUAL(*argv, "hi_thmax")) {
argc--; argv++;
if (argc > 0)
hi_th_max = (int)strtol(*argv, NULL, 0);
} else if (EQUAL(*argv, "hi_invpmax")) {
argc--; argv++;
if (argc > 0)
hi_inv_pmax = (int)strtol(*argv, NULL, 0);
} else if (EQUAL(*argv, "rio")) {
/* just skip */
} else if (EQUAL(*argv, "ecn")) {
flags |= RIOF_ECN;
} else {
LOG(LOG_ERR, 0, "Unknown keyword '%s'", *argv);
return (0);
}
argc--; argv++;
}
if (qcmd_tbr_register(ifname, bandwidth, tbrsize) != 0)
return (0);
pkttime = packet_size * 8 * 1000 / (bandwidth / 1000);
if (weight != 0) {
/* check if weight is power of 2 */
int i, w;
w = weight;
for (i = 0; w > 1; i++)
w = w >> 1;
w = 1 << i;
if (weight != w) {
LOG(LOG_ERR, 0, "weight %d: should be power of 2",
weight);
return (0);
}
}
/*
* recursively parse '<'tc_action'>'
* note that array "action" grows during recursive parse.
*/
static int
tc_action_parser(char *ifname, char **cpp, struct tc_action *action)
{
char *cp, *start, *end;
char type[MAX_WORD], w[MAX_WORD];
int depth, i;
struct tb_profile profile[2];
/*
* find a possibly nested pair of '<' and '>',
* make them pointed by 'start' and 'end'.
*/
start = strchr(*cpp, '<');
if (start == NULL) {
LOG(LOG_ERR, 0, "conditioner action missing");
return (0);
}
depth = 1;
cp = start + 1;
do {
end = strpbrk(cp, "<>");
if (end == NULL) {
LOG(LOG_ERR, 0,
"conditioner action delimiter mismatch");
return (0);
}
if (*end == '<')
depth++;
else if (*end == '>')
depth--;
cp = end + 1;
} while (depth > 0);
*end = '\0';
*cpp = end + 1;
cp = start + 1;
if (IsDebug(DEBUG_ALTQ)) {
printf("tc_action_parser: [%s]\n", cp);
}
if (!next_word(&cp, type)) {
LOG(LOG_ERR, 0, "missing conditioner action type");
return (0);
}
/*
* action type specific process
*/
if (EQUAL(type, "conditioner")) {
if (!next_word(&cp, w)) {
LOG(LOG_ERR, 0,
"missing conditioner name");
return (0);
}
action->tca_code = TCACODE_HANDLE;
action->tca_handle = cdnr_name2handle(ifname, w);
if (action->tca_handle == CDNR_NULL_HANDLE) {
LOG(LOG_ERR, 0,
"wrong conditioner name %s", w);
return (0);
}
} else if (EQUAL(type, "pass")) {
action->tca_code = TCACODE_PASS;
} else if (EQUAL(type, "drop")) {
action->tca_code = TCACODE_DROP;
} else if (EQUAL(type, "mark")) {
if (!next_word(&cp, w)) {
LOG(LOG_ERR, 0, "missing dscp");
return (0);
}
action->tca_code = TCACODE_MARK;
action->tca_dscp = (u_int8_t)strtol(w, NULL, 0);
} else if (EQUAL(type, "tbmeter")) {
if (!next_word(&cp, w)) {
LOG(LOG_ERR, 0, "missing tb profile");
return (0);
}
profile[0].rate = atobps(w);
if (!next_word(&cp, w)) {
LOG(LOG_ERR, 0, "missing tb profile");
return (0);
}
profile[0].depth = atobytes(w);
if (tc_action_parser(ifname, &cp, &action[1]) == 0)
return (0);
if (tc_action_parser(ifname, &cp, &action[2]) == 0)
return (0);
if (qcmd_cdnr_add_tbmeter(action, ifname, NULL, &profile[0],
&action[1], &action[2]) != 0)
return (0);
} else if (EQUAL(type, "trtcm")) {
int coloraware = 0; /* default is color-blind */
for (i=0; i<2; i++) {
if (!next_word(&cp, w)) {
LOG(LOG_ERR, 0, "missing tb profile");
return (0);
}
profile[i].rate = atobps(w);
if (!next_word(&cp, w)) {
LOG(LOG_ERR, 0, "missing tb profile");
return (0);
}
profile[i].depth = atobytes(w);
}
if (tc_action_parser(ifname, &cp, &action[1]) == 0)
return (0);
if (tc_action_parser(ifname, &cp, &action[2]) == 0)
return (0);
if (tc_action_parser(ifname, &cp, &action[3]) == 0)
return (0);
if (next_word(&cp, w)) {
if (EQUAL(w, "coloraware"))
coloraware = 1;
else if (EQUAL(w, "colorblind"))
coloraware = 0;
}
if (qcmd_cdnr_add_trtcm(action, ifname, NULL,
&profile[0], &profile[1],
&action[1], &action[2], &action[3],
coloraware) != 0)
return (0);
} else if (EQUAL(type, "tswtcm")) {
u_int32_t cmtd_rate, peak_rate, avg_interval;
if (!next_word(&cp, w)) {
LOG(LOG_ERR, 0, "missing cmtd rate");
return (0);
}
cmtd_rate = atobps(w);
if (!next_word(&cp, w)) {
LOG(LOG_ERR, 0, "missing peak rate");
return (0);
}
peak_rate = atobps(w);
if (!next_word(&cp, w)) {
LOG(LOG_ERR, 0, "missing avg interval");
return (0);
}
avg_interval = (u_int32_t)strtoul(w, NULL, 0);
if (tc_action_parser(ifname, &cp, &action[1]) == 0)
return (0);
if (tc_action_parser(ifname, &cp, &action[2]) == 0)
return (0);
if (tc_action_parser(ifname, &cp, &action[3]) == 0)
return (0);
if (qcmd_cdnr_add_tswtcm(action, ifname, NULL,
cmtd_rate, peak_rate, avg_interval,
&action[1], &action[2], &action[3])
!= 0)
return (0);
} else {
LOG(LOG_ERR, 0, "unkown action type %s");
return (0);
}
*end = '>'; /* restore the end delimiter */
return (1);
}
