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police: Add support for json output 

Change to use the print wrappers instead of fprintf().

This is example output of the options part before this commit:

        "options": {
            "handle": 1,
            "in_hw": true,
            "actions": [ {
                    "order": 1 police 0x2 ,
                    "control_action": {
                        "type": "drop"
                    },
                    "control_action": {
                        "type": "continue"
                    }overhead 0b linklayer unspec
        ref 1 bind 1
,
                    "used_hw_stats": [ "delayed" ]
                } ]
        }

This is the output of the same dump with this commit:

        "options": {
            "handle": 1,
            "in_hw": true,
            "actions": [ {
                    "order": 1,
                    "kind": "police",
                    "index": 2,
                    "control_action": {
                        "type": "drop"
                    },
                    "control_action": {
                        "type": "continue"
                    },
                    "overhead": 0,
                    "linklayer": "unspec",
                    "ref": 1,
                    "bind": 1,
                    "used_hw_stats": [ "delayed" ]
                } ]
        }

Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
This commit is contained in:
Roi Dayan 2021-06-07 09:44:08 +03:00 committed by David Ahern
parent 52f136f640
commit 0d5cf51e0d
1 changed files with 17 additions and 13 deletions
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30
tc/m_police.c
View File

@ -278,18 +278,19 @@ static int print_police(struct action_util *a, FILE *f, struct rtattr *arg)
__u64 rate64, prate64;
__u64 pps64, ppsburst64;
print_string(PRINT_ANY, "kind", "%s", "police");
if (arg == NULL)
return 0;
parse_rtattr_nested(tb, TCA_POLICE_MAX, arg);
if (tb[TCA_POLICE_TBF] == NULL) {
fprintf(f, "[NULL police tbf]");
return 0;
fprintf(stderr, "[NULL police tbf]");
return -1;
}
#ifndef STOOPID_8BYTE
if (RTA_PAYLOAD(tb[TCA_POLICE_TBF]) < sizeof(*p)) {
fprintf(f, "[truncated police tbf]");
fprintf(stderr, "[truncated police tbf]");
return -1;
}
#endif
@ -300,13 +301,13 @@ static int print_police(struct action_util *a, FILE *f, struct rtattr *arg)
RTA_PAYLOAD(tb[TCA_POLICE_RATE64]) >= sizeof(rate64))
rate64 = rta_getattr_u64(tb[TCA_POLICE_RATE64]);
fprintf(f, " police 0x%x ", p->index);
print_uint(PRINT_ANY, "index", "\t index %u ", p->index);
tc_print_rate(PRINT_FP, NULL, "rate %s ", rate64);
buffer = tc_calc_xmitsize(rate64, p->burst);
print_size(PRINT_FP, NULL, "burst %s ", buffer);
print_size(PRINT_FP, NULL, "mtu %s ", p->mtu);
if (show_raw)
fprintf(f, "[%08x] ", p->burst);
print_hex(PRINT_FP, NULL, "[%08x] ", p->burst);
prate64 = p->peakrate.rate;
if (tb[TCA_POLICE_PEAKRATE64] &&
@ -327,8 +328,8 @@ static int print_police(struct action_util *a, FILE *f, struct rtattr *arg)
pps64 = rta_getattr_u64(tb[TCA_POLICE_PKTRATE64]);
ppsburst64 = rta_getattr_u64(tb[TCA_POLICE_PKTBURST64]);
ppsburst64 = tc_calc_xmitsize(pps64, ppsburst64);
fprintf(f, "pkts_rate %llu ", pps64);
fprintf(f, "pkts_burst %llu ", ppsburst64);
print_u64(PRINT_ANY, "pkts_rate", "pkts_rate %llu ", pps64);
print_u64(PRINT_ANY, "pkts_burst", "pkts_burst %llu ", ppsburst64);
}
print_action_control(f, "action ", p->action, "");
@ -337,14 +338,17 @@ static int print_police(struct action_util *a, FILE *f, struct rtattr *arg)
__u32 action = rta_getattr_u32(tb[TCA_POLICE_RESULT]);
print_action_control(f, "/", action, " ");
} else
fprintf(f, " ");
} else {
print_string(PRINT_FP, NULL, " ", NULL);
}
fprintf(f, "overhead %ub ", p->rate.overhead);
print_uint(PRINT_ANY, "overhead", "overhead %u ", p->rate.overhead);
linklayer = (p->rate.linklayer & TC_LINKLAYER_MASK);
if (linklayer > TC_LINKLAYER_ETHERNET || show_details)
fprintf(f, "linklayer %s ", sprint_linklayer(linklayer, b2));
fprintf(f, "\n\tref %d bind %d", p->refcnt, p->bindcnt);
print_string(PRINT_ANY, "linklayer", "linklayer %s ",
sprint_linklayer(linklayer, b2));
print_int(PRINT_ANY, "ref", "ref %d ", p->refcnt);
print_int(PRINT_ANY, "bind", "bind %d ", p->bindcnt);
if (show_stats) {
if (tb[TCA_POLICE_TM]) {
struct tcf_t *tm = RTA_DATA(tb[TCA_POLICE_TM]);
@ -352,7 +356,7 @@ static int print_police(struct action_util *a, FILE *f, struct rtattr *arg)
print_tm(f, tm);
}
}
fprintf(f, "\n");
print_nl();
return 0;