libnetlink: add size argument to rtnl_talk

[mirror_iproute2.git] / tc / m_action.c

diff --git a/tc/m_action.c b/tc/m_action.c
index 7dbcf5bcc81f88cd7189b56e53c6a62561a72a0b..d363d273068f23eb5a428d8d56fed15ebb4306cc 100644 (file)
--- a/tc/m_action.c
+++ b/tc/m_action.c
@@ -54,7 +54,7 @@ static void act_usage(void)
                        "\tACTSPEC := action <ACTDETAIL> [INDEXSPEC]\n"
                        "\tINDEXSPEC := index <32 bit indexvalue>\n"
                        "\tACTDETAIL := <ACTNAME> <ACTPARAMS>\n"
-                       "\t\tExample ACTNAME is gact, mirred etc\n"
+                       "\t\tExample ACTNAME is gact, mirred, bpf, etc\n"
                        "\t\tEach action has its own parameters (ACTPARAMS)\n"
                        "\n");
 
@@ -249,38 +249,31 @@ static int
 tc_print_one_action(FILE * f, struct rtattr *arg)
 {
 
-       struct rtattr *tb[TCA_MAX + 1];
+       struct rtattr *tb[TCA_ACT_MAX + 1];
        int err = 0;
        struct action_util *a = NULL;
 
        if (arg == NULL)
                return -1;
 
-       parse_rtattr_nested(tb, TCA_MAX, arg);
-       if (tb[TCA_KIND] == NULL) {
+       parse_rtattr_nested(tb, TCA_ACT_MAX, arg);
+
+       if (tb[TCA_ACT_KIND] == NULL) {
                fprintf(stderr, "NULL Action!\n");
                return -1;
        }
 
 
-       a = get_action_kind(RTA_DATA(tb[TCA_KIND]));
+       a = get_action_kind(RTA_DATA(tb[TCA_ACT_KIND]));
        if (NULL == a)
                return err;
 
-       if (tab_flush) {
-               __u32 *delete_count = RTA_DATA(tb[TCA_FCNT]);
-               fprintf(f," %s (%d entries)\n", a->id, *delete_count);
-               tab_flush = 0;
-               return 0;
-       }
-
-       err = a->print_aopt(a,f,tb[TCA_OPTIONS]);
-
+       err = a->print_aopt(a, f, tb[TCA_ACT_OPTIONS]);
 
        if (0 > err)
                return err;
 
-       if (show_stats && tb[TCA_STATS]) {
+       if (show_stats && tb[TCA_ACT_STATS]) {
                fprintf(f, "\tAction statistics:\n");
                print_tcstats2_attr(f, tb[TCA_ACT_STATS], "\t", NULL);
                fprintf(f, "\n");
@@ -289,8 +282,34 @@ tc_print_one_action(FILE * f, struct rtattr *arg)
        return 0;
 }
 
+static int
+tc_print_action_flush(FILE *f, const struct rtattr *arg)
+{
+
+       struct rtattr *tb[TCA_MAX + 1];
+       int err = 0;
+       struct action_util *a = NULL;
+       __u32 *delete_count = 0;
+
+       parse_rtattr_nested(tb, TCA_MAX, arg);
+
+       if (tb[TCA_KIND] == NULL) {
+               fprintf(stderr, "NULL Action!\n");
+               return -1;
+       }
+
+       a = get_action_kind(RTA_DATA(tb[TCA_KIND]));
+       if (NULL == a)
+               return err;
+
+       delete_count = RTA_DATA(tb[TCA_FCNT]);
+       fprintf(f," %s (%d entries)\n", a->id, *delete_count);
+       tab_flush = 0;
+       return 0;
+}
+
 int
-tc_print_action(FILE * f, const struct rtattr *arg)
+tc_print_action(FILE *f, const struct rtattr *arg)
 {
 
        int i;
@@ -301,10 +320,8 @@ tc_print_action(FILE * f, const struct rtattr *arg)
 
        parse_rtattr_nested(tb, TCA_ACT_MAX_PRIO, arg);
 
-       if (tab_flush && NULL != tb[0]  && NULL == tb[1]) {
-               int ret = tc_print_one_action(f, tb[0]);
-               return ret;
-       }
+       if (tab_flush && NULL != tb[0]  && NULL == tb[1])
+               return tc_print_action_flush(f, tb[0]);
 
        for (i = 0; i < TCA_ACT_MAX_PRIO; i++) {
                if (tb[i]) {
@@ -455,7 +472,7 @@ static int tc_action_gd(int cmd, unsigned flags, int *argc_p, char ***argv_p)
        if (cmd == RTM_GETACTION)
                ans = &req.n;
 
-       if (rtnl_talk(&rth, &req.n, 0, 0, ans) < 0) {
+       if (rtnl_talk(&rth, &req.n, ans, MAX_MSG) < 0) {
                fprintf(stderr, "We have an error talking to the kernel\n");
                return 1;
        }
@@ -500,7 +517,7 @@ static int tc_action_modify(int cmd, unsigned flags, int *argc_p, char ***argv_p
        }
        tail->rta_len = (void *) NLMSG_TAIL(&req.n) - (void *) tail;
 
-       if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0) {
+       if (rtnl_talk(&rth, &req.n, NULL, 0) < 0) {
                fprintf(stderr, "We have an error talking to the kernel\n");
                ret = -1;
        }
@@ -570,7 +587,7 @@ static int tc_act_list_or_flush(int argc, char **argv, int event)
                req.n.nlmsg_type = RTM_DELACTION;
                req.n.nlmsg_flags |= NLM_F_ROOT;
                req.n.nlmsg_flags |= NLM_F_REQUEST;
-               if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0) {
+               if (rtnl_talk(&rth, &req.n, NULL, 0) < 0) {
                        fprintf(stderr, "We have an error flushing\n");
                        return 1;
                }