Reduce pf.conf parsing cost for configs that define N queues from O(N^2) to O(N)
The number of syscalls made during parsing of any config that defines tables is also reduced, and incorrect warnings that HFSC parent queue bandwidths were smaller than the sum of their child bandwidths have been fixed. Reviewed by: kp MFC after: 1 week Sponsored by: RG Nets Differential Revision: https://reviews.freebsd.org/D18759
This commit is contained in:
Patrick Kelsey
parent
d9463dd4f3
commit
1d34c9dac8
@ -114,7 +114,6 @@ extern int loadopt;
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int check_commit_altq(int, int);
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void pfaltq_store(struct pf_altq *);
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struct pf_altq *pfaltq_lookup(const char *);
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char *rate2str(double);
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void print_addr(struct pf_addr_wrap *, sa_family_t, int);
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@ -24,6 +24,7 @@ __FBSDID("$FreeBSD$");
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#define PFIOC_USE_LATEST
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#include <sys/types.h>
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#include <sys/bitset.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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@ -36,6 +37,7 @@ __FBSDID("$FreeBSD$");
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#include <inttypes.h>
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#include <limits.h>
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#include <math.h>
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#include <search.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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@ -53,33 +55,40 @@ __FBSDID("$FreeBSD$");
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#define is_sc_null(sc) (((sc) == NULL) || ((sc)->m1 == 0 && (sc)->m2 == 0))
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static TAILQ_HEAD(altqs, pf_altq) altqs = TAILQ_HEAD_INITIALIZER(altqs);
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static LIST_HEAD(gen_sc, segment) rtsc, lssc;
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static STAILQ_HEAD(interfaces, pfctl_altq) interfaces = STAILQ_HEAD_INITIALIZER(interfaces);
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static struct hsearch_data queue_map;
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static struct hsearch_data if_map;
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static struct hsearch_data qid_map;
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struct pf_altq *qname_to_pfaltq(const char *, const char *);
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u_int32_t qname_to_qid(const char *);
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static struct pfctl_altq *pfaltq_lookup(char *ifname);
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static struct pfctl_altq *qname_to_pfaltq(const char *, const char *);
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static u_int32_t qname_to_qid(char *);
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static int eval_pfqueue_cbq(struct pfctl *, struct pf_altq *);
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static int eval_pfqueue_cbq(struct pfctl *, struct pf_altq *,
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struct pfctl_altq *);
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static int cbq_compute_idletime(struct pfctl *, struct pf_altq *);
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static int check_commit_cbq(int, int, struct pf_altq *);
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static int check_commit_cbq(int, int, struct pfctl_altq *);
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static int print_cbq_opts(const struct pf_altq *);
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static int print_codel_opts(const struct pf_altq *,
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const struct node_queue_opt *);
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static int eval_pfqueue_priq(struct pfctl *, struct pf_altq *);
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static int check_commit_priq(int, int, struct pf_altq *);
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static int eval_pfqueue_priq(struct pfctl *, struct pf_altq *,
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struct pfctl_altq *);
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static int check_commit_priq(int, int, struct pfctl_altq *);
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static int print_priq_opts(const struct pf_altq *);
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static int eval_pfqueue_hfsc(struct pfctl *, struct pf_altq *);
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static int check_commit_hfsc(int, int, struct pf_altq *);
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static int eval_pfqueue_hfsc(struct pfctl *, struct pf_altq *,
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struct pfctl_altq *, struct pfctl_altq *);
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static int check_commit_hfsc(int, int, struct pfctl_altq *);
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static int print_hfsc_opts(const struct pf_altq *,
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const struct node_queue_opt *);
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static int eval_pfqueue_fairq(struct pfctl *, struct pf_altq *);
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static int eval_pfqueue_fairq(struct pfctl *, struct pf_altq *,
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struct pfctl_altq *, struct pfctl_altq *);
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static int print_fairq_opts(const struct pf_altq *,
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const struct node_queue_opt *);
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static int check_commit_fairq(int, int, struct pf_altq *);
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static int check_commit_fairq(int, int, struct pfctl_altq *);
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static void gsc_add_sc(struct gen_sc *, struct service_curve *);
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static int is_gsc_under_sc(struct gen_sc *,
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@ -104,59 +113,101 @@ void print_hfsc_sc(const char *, u_int, u_int, u_int,
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void print_fairq_sc(const char *, u_int, u_int, u_int,
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const struct node_fairq_sc *);
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static __attribute__((constructor)) void
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pfctl_altq_init(void)
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{
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/*
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* As hdestroy() will never be called on these tables, it will be
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* safe to use references into the stored data as keys.
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*/
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if (hcreate_r(0, &queue_map) == 0)
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err(1, "Failed to create altq queue map");
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if (hcreate_r(0, &if_map) == 0)
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err(1, "Failed to create altq interface map");
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if (hcreate_r(0, &qid_map) == 0)
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err(1, "Failed to create altq queue id map");
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}
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void
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pfaltq_store(struct pf_altq *a)
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{
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struct pf_altq *altq;
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struct pfctl_altq *altq;
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ENTRY item;
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ENTRY *ret_item;
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size_t key_size;
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if ((altq = malloc(sizeof(*altq))) == NULL)
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err(1, "malloc");
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memcpy(altq, a, sizeof(struct pf_altq));
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TAILQ_INSERT_TAIL(&altqs, altq, entries);
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err(1, "queue malloc");
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memcpy(&altq->pa, a, sizeof(struct pf_altq));
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memset(&altq->meta, 0, sizeof(altq->meta));
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if (a->qname[0] == 0) {
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item.key = altq->pa.ifname;
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item.data = altq;
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if (hsearch_r(item, ENTER, &ret_item, &if_map) == 0)
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err(1, "interface map insert");
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STAILQ_INSERT_TAIL(&interfaces, altq, meta.link);
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} else {
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key_size = sizeof(a->ifname) + sizeof(a->qname);
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if ((item.key = malloc(key_size)) == NULL)
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err(1, "queue map key malloc");
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snprintf(item.key, key_size, "%s:%s", a->ifname, a->qname);
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item.data = altq;
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if (hsearch_r(item, ENTER, &ret_item, &queue_map) == 0)
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err(1, "queue map insert");
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item.key = altq->pa.qname;
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item.data = &altq->pa.qid;
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if (hsearch_r(item, ENTER, &ret_item, &qid_map) == 0)
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err(1, "qid map insert");
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}
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}
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struct pf_altq *
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pfaltq_lookup(const char *ifname)
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static struct pfctl_altq *
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pfaltq_lookup(char *ifname)
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{
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struct pf_altq *altq;
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ENTRY item;
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ENTRY *ret_item;
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TAILQ_FOREACH(altq, &altqs, entries) {
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if (strncmp(ifname, altq->ifname, IFNAMSIZ) == 0 &&
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altq->qname[0] == 0)
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return (altq);
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}
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item.key = ifname;
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if (hsearch_r(item, FIND, &ret_item, &if_map) == 0)
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return (NULL);
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return (ret_item->data);
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}
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struct pf_altq *
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static struct pfctl_altq *
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qname_to_pfaltq(const char *qname, const char *ifname)
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{
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struct pf_altq *altq;
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ENTRY item;
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ENTRY *ret_item;
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char key[IFNAMSIZ + PF_QNAME_SIZE];
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TAILQ_FOREACH(altq, &altqs, entries) {
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if (strncmp(ifname, altq->ifname, IFNAMSIZ) == 0 &&
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strncmp(qname, altq->qname, PF_QNAME_SIZE) == 0)
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return (altq);
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}
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item.key = key;
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snprintf(item.key, sizeof(key), "%s:%s", ifname, qname);
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if (hsearch_r(item, FIND, &ret_item, &queue_map) == 0)
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return (NULL);
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return (ret_item->data);
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}
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u_int32_t
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qname_to_qid(const char *qname)
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static u_int32_t
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qname_to_qid(char *qname)
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{
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struct pf_altq *altq;
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ENTRY item;
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ENTRY *ret_item;
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uint32_t qid;
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/*
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* We guarantee that same named queues on different interfaces
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* have the same qid, so we do NOT need to limit matching on
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* one interface!
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* have the same qid.
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*/
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TAILQ_FOREACH(altq, &altqs, entries) {
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if (strncmp(qname, altq->qname, PF_QNAME_SIZE) == 0)
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return (altq->qid);
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}
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item.key = qname;
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if (hsearch_r(item, FIND, &ret_item, &qid_map) == 0)
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return (0);
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qid = *(uint32_t *)ret_item->data;
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return (qid);
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}
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void
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@ -315,30 +366,28 @@ eval_pfaltq(struct pfctl *pf, struct pf_altq *pa, struct node_queue_bw *bw,
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int
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check_commit_altq(int dev, int opts)
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{
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struct pf_altq *altq;
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struct pfctl_altq *if_ppa;
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int error = 0;
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/* call the discipline check for each interface. */
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TAILQ_FOREACH(altq, &altqs, entries) {
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if (altq->qname[0] == 0) {
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switch (altq->scheduler) {
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STAILQ_FOREACH(if_ppa, &interfaces, meta.link) {
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switch (if_ppa->pa.scheduler) {
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case ALTQT_CBQ:
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error = check_commit_cbq(dev, opts, altq);
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error = check_commit_cbq(dev, opts, if_ppa);
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break;
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case ALTQT_PRIQ:
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error = check_commit_priq(dev, opts, altq);
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error = check_commit_priq(dev, opts, if_ppa);
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break;
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case ALTQT_HFSC:
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error = check_commit_hfsc(dev, opts, altq);
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error = check_commit_hfsc(dev, opts, if_ppa);
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break;
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case ALTQT_FAIRQ:
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error = check_commit_fairq(dev, opts, altq);
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error = check_commit_fairq(dev, opts, if_ppa);
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break;
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default:
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break;
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}
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}
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}
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return (error);
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}
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@ -350,17 +399,16 @@ eval_pfqueue(struct pfctl *pf, struct pf_altq *pa, struct node_queue_bw *bw,
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struct node_queue_opt *opts)
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{
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/* should be merged with expand_queue */
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struct pf_altq *if_pa, *parent, *altq;
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u_int64_t bwsum;
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struct pfctl_altq *if_ppa, *parent;
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int error = 0;
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/* find the corresponding interface and copy fields used by queues */
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if ((if_pa = pfaltq_lookup(pa->ifname)) == NULL) {
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if ((if_ppa = pfaltq_lookup(pa->ifname)) == NULL) {
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fprintf(stderr, "altq not defined on %s\n", pa->ifname);
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return (1);
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}
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pa->scheduler = if_pa->scheduler;
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pa->ifbandwidth = if_pa->ifbandwidth;
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pa->scheduler = if_ppa->pa.scheduler;
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pa->ifbandwidth = if_ppa->pa.ifbandwidth;
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if (qname_to_pfaltq(pa->qname, pa->ifname) != NULL) {
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fprintf(stderr, "queue %s already exists on interface %s\n",
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@ -377,15 +425,31 @@ eval_pfqueue(struct pfctl *pf, struct pf_altq *pa, struct node_queue_bw *bw,
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pa->parent, pa->qname);
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return (1);
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}
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pa->parent_qid = parent->qid;
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pa->parent_qid = parent->pa.qid;
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}
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if (pa->qlimit == 0)
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pa->qlimit = DEFAULT_QLIMIT;
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if (eval_queue_opts(pa, opts,
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parent == NULL ? pa->ifbandwidth : parent->pa.bandwidth))
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return (1);
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if (pa->scheduler == ALTQT_CBQ || pa->scheduler == ALTQT_HFSC ||
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pa->scheduler == ALTQT_FAIRQ) {
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pa->bandwidth = eval_bwspec(bw,
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parent == NULL ? pa->ifbandwidth : parent->bandwidth);
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parent == NULL ? pa->ifbandwidth : parent->pa.bandwidth);
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/*
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* For HFSC, if the linkshare service curve m2 parameter is
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* set, it overrides the provided queue bandwidth parameter,
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* so adjust the queue bandwidth parameter accordingly here
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* to avoid false positives in the total child bandwidth
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* check below.
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*/
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if ((pa->scheduler == ALTQT_HFSC) &&
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(pa->pq_u.hfsc_opts.lssc_m2 != 0)) {
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pa->bandwidth = pa->pq_u.hfsc_opts.lssc_m2;
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}
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if (pa->bandwidth > pa->ifbandwidth) {
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fprintf(stderr, "bandwidth for %s higher than "
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@ -394,44 +458,36 @@ eval_pfqueue(struct pfctl *pf, struct pf_altq *pa, struct node_queue_bw *bw,
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}
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/* check the sum of the child bandwidth is under parent's */
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if (parent != NULL) {
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if (pa->bandwidth > parent->bandwidth) {
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if (pa->bandwidth > parent->pa.bandwidth) {
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warnx("bandwidth for %s higher than parent",
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pa->qname);
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return (1);
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}
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bwsum = 0;
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TAILQ_FOREACH(altq, &altqs, entries) {
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if (strncmp(altq->ifname, pa->ifname,
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IFNAMSIZ) == 0 &&
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altq->qname[0] != 0 &&
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strncmp(altq->parent, pa->parent,
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PF_QNAME_SIZE) == 0)
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bwsum += altq->bandwidth;
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}
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bwsum += pa->bandwidth;
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if (bwsum > parent->bandwidth) {
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warnx("the sum of the child bandwidth higher"
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" than parent \"%s\"", parent->qname);
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parent->meta.bwsum += pa->bandwidth;
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if (parent->meta.bwsum > parent->pa.bandwidth) {
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warnx("the sum of the child bandwidth (%" PRIu64
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") higher than parent \"%s\" (%" PRIu64 ")",
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parent->meta.bwsum, parent->pa.qname,
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parent->pa.bandwidth);
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}
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}
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}
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if (eval_queue_opts(pa, opts,
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parent == NULL ? pa->ifbandwidth : parent->bandwidth))
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return (1);
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if (parent != NULL)
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parent->meta.children++;
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switch (pa->scheduler) {
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case ALTQT_CBQ:
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error = eval_pfqueue_cbq(pf, pa);
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error = eval_pfqueue_cbq(pf, pa, if_ppa);
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break;
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case ALTQT_PRIQ:
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error = eval_pfqueue_priq(pf, pa);
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error = eval_pfqueue_priq(pf, pa, if_ppa);
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break;
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case ALTQT_HFSC:
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error = eval_pfqueue_hfsc(pf, pa);
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error = eval_pfqueue_hfsc(pf, pa, if_ppa, parent);
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break;
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case ALTQT_FAIRQ:
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error = eval_pfqueue_fairq(pf, pa);
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error = eval_pfqueue_fairq(pf, pa, if_ppa, parent);
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break;
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default:
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break;
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@ -446,7 +502,7 @@ eval_pfqueue(struct pfctl *pf, struct pf_altq *pa, struct node_queue_bw *bw,
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#define RM_NS_PER_SEC (1000000000)
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static int
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eval_pfqueue_cbq(struct pfctl *pf, struct pf_altq *pa)
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eval_pfqueue_cbq(struct pfctl *pf, struct pf_altq *pa, struct pfctl_altq *if_ppa)
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{
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struct cbq_opts *opts;
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u_int ifmtu;
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@ -476,6 +532,11 @@ eval_pfqueue_cbq(struct pfctl *pf, struct pf_altq *pa)
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if (pa->parent[0] == 0)
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opts->flags |= (CBQCLF_ROOTCLASS | CBQCLF_WRR);
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if (pa->pq_u.cbq_opts.flags & CBQCLF_ROOTCLASS)
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if_ppa->meta.root_classes++;
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if (pa->pq_u.cbq_opts.flags & CBQCLF_DEFCLASS)
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if_ppa->meta.default_classes++;
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cbq_compute_idletime(pf, pa);
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return (0);
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}
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@ -568,33 +629,20 @@ cbq_compute_idletime(struct pfctl *pf, struct pf_altq *pa)
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}
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static int
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check_commit_cbq(int dev, int opts, struct pf_altq *pa)
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check_commit_cbq(int dev, int opts, struct pfctl_altq *if_ppa)
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{
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struct pf_altq *altq;
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int root_class, default_class;
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int error = 0;
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/*
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* check if cbq has one root queue and one default queue
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* for this interface
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*/
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root_class = default_class = 0;
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TAILQ_FOREACH(altq, &altqs, entries) {
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if (strncmp(altq->ifname, pa->ifname, IFNAMSIZ) != 0)
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continue;
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if (altq->qname[0] == 0) /* this is for interface */
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continue;
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if (altq->pq_u.cbq_opts.flags & CBQCLF_ROOTCLASS)
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root_class++;
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if (altq->pq_u.cbq_opts.flags & CBQCLF_DEFCLASS)
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default_class++;
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}
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if (root_class != 1) {
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warnx("should have one root queue on %s", pa->ifname);
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if (if_ppa->meta.root_classes != 1) {
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warnx("should have one root queue on %s", if_ppa->pa.ifname);
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error++;
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}
|
||||
if (default_class != 1) {
|
||||
warnx("should have one default queue on %s", pa->ifname);
|
||||
if (if_ppa->meta.default_classes != 1) {
|
||||
warnx("should have one default queue on %s", if_ppa->pa.ifname);
|
||||
error++;
|
||||
}
|
||||
return (error);
|
||||
@ -641,51 +689,37 @@ print_cbq_opts(const struct pf_altq *a)
|
||||
* PRIQ support functions
|
||||
*/
|
||||
static int
|
||||
eval_pfqueue_priq(struct pfctl *pf, struct pf_altq *pa)
|
||||
eval_pfqueue_priq(struct pfctl *pf, struct pf_altq *pa, struct pfctl_altq *if_ppa)
|
||||
{
|
||||
struct pf_altq *altq;
|
||||
|
||||
if (pa->priority >= PRIQ_MAXPRI) {
|
||||
warnx("priority out of range: max %d", PRIQ_MAXPRI - 1);
|
||||
return (-1);
|
||||
}
|
||||
/* the priority should be unique for the interface */
|
||||
TAILQ_FOREACH(altq, &altqs, entries) {
|
||||
if (strncmp(altq->ifname, pa->ifname, IFNAMSIZ) == 0 &&
|
||||
altq->qname[0] != 0 && altq->priority == pa->priority) {
|
||||
warnx("%s and %s have the same priority",
|
||||
altq->qname, pa->qname);
|
||||
if (BIT_ISSET(QPRI_BITSET_SIZE, pa->priority, &if_ppa->meta.qpris)) {
|
||||
warnx("%s does not have a unique priority on interface %s",
|
||||
pa->qname, pa->ifname);
|
||||
return (-1);
|
||||
}
|
||||
}
|
||||
} else
|
||||
BIT_SET(QPRI_BITSET_SIZE, pa->priority, &if_ppa->meta.qpris);
|
||||
|
||||
if (pa->pq_u.priq_opts.flags & PRCF_DEFAULTCLASS)
|
||||
if_ppa->meta.default_classes++;
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
check_commit_priq(int dev, int opts, struct pf_altq *pa)
|
||||
check_commit_priq(int dev, int opts, struct pfctl_altq *if_ppa)
|
||||
{
|
||||
struct pf_altq *altq;
|
||||
int default_class;
|
||||
int error = 0;
|
||||
|
||||
/*
|
||||
* check if priq has one default class for this interface
|
||||
*/
|
||||
default_class = 0;
|
||||
TAILQ_FOREACH(altq, &altqs, entries) {
|
||||
if (strncmp(altq->ifname, pa->ifname, IFNAMSIZ) != 0)
|
||||
continue;
|
||||
if (altq->qname[0] == 0) /* this is for interface */
|
||||
continue;
|
||||
if (altq->pq_u.priq_opts.flags & PRCF_DEFAULTCLASS)
|
||||
default_class++;
|
||||
if (if_ppa->meta.default_classes != 1) {
|
||||
warnx("should have one default queue on %s", if_ppa->pa.ifname);
|
||||
return (1);
|
||||
}
|
||||
if (default_class != 1) {
|
||||
warnx("should have one default queue on %s", pa->ifname);
|
||||
error++;
|
||||
}
|
||||
return (error);
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
@ -720,15 +754,15 @@ print_priq_opts(const struct pf_altq *a)
|
||||
* HFSC support functions
|
||||
*/
|
||||
static int
|
||||
eval_pfqueue_hfsc(struct pfctl *pf, struct pf_altq *pa)
|
||||
eval_pfqueue_hfsc(struct pfctl *pf, struct pf_altq *pa, struct pfctl_altq *if_ppa,
|
||||
struct pfctl_altq *parent)
|
||||
{
|
||||
struct pf_altq *altq, *parent;
|
||||
struct hfsc_opts_v1 *opts;
|
||||
struct service_curve sc;
|
||||
|
||||
opts = &pa->pq_u.hfsc_opts;
|
||||
|
||||
if (pa->parent[0] == 0) {
|
||||
if (parent == NULL) {
|
||||
/* root queue */
|
||||
opts->lssc_m1 = pa->ifbandwidth;
|
||||
opts->lssc_m2 = pa->ifbandwidth;
|
||||
@ -736,8 +770,20 @@ eval_pfqueue_hfsc(struct pfctl *pf, struct pf_altq *pa)
|
||||
return (0);
|
||||
}
|
||||
|
||||
LIST_INIT(&rtsc);
|
||||
LIST_INIT(&lssc);
|
||||
/* First child initializes the parent's service curve accumulators. */
|
||||
if (parent->meta.children == 1) {
|
||||
LIST_INIT(&parent->meta.rtsc);
|
||||
LIST_INIT(&parent->meta.lssc);
|
||||
}
|
||||
|
||||
if (parent->pa.pq_u.hfsc_opts.flags & HFCF_DEFAULTCLASS) {
|
||||
warnx("adding %s would make default queue %s not a leaf",
|
||||
pa->qname, pa->parent);
|
||||
return (-1);
|
||||
}
|
||||
|
||||
if (pa->pq_u.hfsc_opts.flags & HFCF_DEFAULTCLASS)
|
||||
if_ppa->meta.default_classes++;
|
||||
|
||||
/* if link_share is not specified, use bandwidth */
|
||||
if (opts->lssc_m2 == 0)
|
||||
@ -768,35 +814,6 @@ eval_pfqueue_hfsc(struct pfctl *pf, struct pf_altq *pa)
|
||||
* be smaller than the interface bandwidth, and the upper-limit should
|
||||
* be larger than the real-time service curve when both are defined.
|
||||
*/
|
||||
parent = qname_to_pfaltq(pa->parent, pa->ifname);
|
||||
if (parent == NULL)
|
||||
errx(1, "parent %s not found for %s", pa->parent, pa->qname);
|
||||
|
||||
TAILQ_FOREACH(altq, &altqs, entries) {
|
||||
if (strncmp(altq->ifname, pa->ifname, IFNAMSIZ) != 0)
|
||||
continue;
|
||||
if (altq->qname[0] == 0) /* this is for interface */
|
||||
continue;
|
||||
|
||||
/* if the class has a real-time service curve, add it. */
|
||||
if (opts->rtsc_m2 != 0 && altq->pq_u.hfsc_opts.rtsc_m2 != 0) {
|
||||
sc.m1 = altq->pq_u.hfsc_opts.rtsc_m1;
|
||||
sc.d = altq->pq_u.hfsc_opts.rtsc_d;
|
||||
sc.m2 = altq->pq_u.hfsc_opts.rtsc_m2;
|
||||
gsc_add_sc(&rtsc, &sc);
|
||||
}
|
||||
|
||||
if (strncmp(altq->parent, pa->parent, PF_QNAME_SIZE) != 0)
|
||||
continue;
|
||||
|
||||
/* if the class has a linkshare service curve, add it. */
|
||||
if (opts->lssc_m2 != 0 && altq->pq_u.hfsc_opts.lssc_m2 != 0) {
|
||||
sc.m1 = altq->pq_u.hfsc_opts.lssc_m1;
|
||||
sc.d = altq->pq_u.hfsc_opts.lssc_d;
|
||||
sc.m2 = altq->pq_u.hfsc_opts.lssc_m2;
|
||||
gsc_add_sc(&lssc, &sc);
|
||||
}
|
||||
}
|
||||
|
||||
/* check the real-time service curve. reserve 20% of interface bw */
|
||||
if (opts->rtsc_m2 != 0) {
|
||||
@ -804,15 +821,15 @@ eval_pfqueue_hfsc(struct pfctl *pf, struct pf_altq *pa)
|
||||
sc.m1 = opts->rtsc_m1;
|
||||
sc.d = opts->rtsc_d;
|
||||
sc.m2 = opts->rtsc_m2;
|
||||
gsc_add_sc(&rtsc, &sc);
|
||||
gsc_add_sc(&parent->meta.rtsc, &sc);
|
||||
/* compare the sum with 80% of the interface */
|
||||
sc.m1 = 0;
|
||||
sc.d = 0;
|
||||
sc.m2 = pa->ifbandwidth / 100 * 80;
|
||||
if (!is_gsc_under_sc(&rtsc, &sc)) {
|
||||
if (!is_gsc_under_sc(&parent->meta.rtsc, &sc)) {
|
||||
warnx("real-time sc exceeds 80%% of the interface "
|
||||
"bandwidth (%s)", rate2str((double)sc.m2));
|
||||
goto err_ret;
|
||||
return (-1);
|
||||
}
|
||||
}
|
||||
|
||||
@ -822,14 +839,14 @@ eval_pfqueue_hfsc(struct pfctl *pf, struct pf_altq *pa)
|
||||
sc.m1 = opts->lssc_m1;
|
||||
sc.d = opts->lssc_d;
|
||||
sc.m2 = opts->lssc_m2;
|
||||
gsc_add_sc(&lssc, &sc);
|
||||
gsc_add_sc(&parent->meta.lssc, &sc);
|
||||
/* compare the sum of the children with parent's sc */
|
||||
sc.m1 = parent->pq_u.hfsc_opts.lssc_m1;
|
||||
sc.d = parent->pq_u.hfsc_opts.lssc_d;
|
||||
sc.m2 = parent->pq_u.hfsc_opts.lssc_m2;
|
||||
if (!is_gsc_under_sc(&lssc, &sc)) {
|
||||
sc.m1 = parent->pa.pq_u.hfsc_opts.lssc_m1;
|
||||
sc.d = parent->pa.pq_u.hfsc_opts.lssc_d;
|
||||
sc.m2 = parent->pa.pq_u.hfsc_opts.lssc_m2;
|
||||
if (!is_gsc_under_sc(&parent->meta.lssc, &sc)) {
|
||||
warnx("linkshare sc exceeds parent's sc");
|
||||
goto err_ret;
|
||||
return (-1);
|
||||
}
|
||||
}
|
||||
|
||||
@ -838,38 +855,30 @@ eval_pfqueue_hfsc(struct pfctl *pf, struct pf_altq *pa)
|
||||
if (opts->ulsc_m1 > pa->ifbandwidth ||
|
||||
opts->ulsc_m2 > pa->ifbandwidth) {
|
||||
warnx("upper-limit larger than interface bandwidth");
|
||||
goto err_ret;
|
||||
return (-1);
|
||||
}
|
||||
if (opts->rtsc_m2 != 0 && opts->rtsc_m2 > opts->ulsc_m2) {
|
||||
warnx("upper-limit sc smaller than real-time sc");
|
||||
goto err_ret;
|
||||
return (-1);
|
||||
}
|
||||
}
|
||||
|
||||
gsc_destroy(&rtsc);
|
||||
gsc_destroy(&lssc);
|
||||
|
||||
return (0);
|
||||
|
||||
err_ret:
|
||||
gsc_destroy(&rtsc);
|
||||
gsc_destroy(&lssc);
|
||||
return (-1);
|
||||
}
|
||||
|
||||
/*
|
||||
* FAIRQ support functions
|
||||
*/
|
||||
static int
|
||||
eval_pfqueue_fairq(struct pfctl *pf __unused, struct pf_altq *pa)
|
||||
eval_pfqueue_fairq(struct pfctl *pf __unused, struct pf_altq *pa,
|
||||
struct pfctl_altq *if_ppa, struct pfctl_altq *parent)
|
||||
{
|
||||
struct pf_altq *altq, *parent;
|
||||
struct fairq_opts *opts;
|
||||
struct service_curve sc;
|
||||
|
||||
opts = &pa->pq_u.fairq_opts;
|
||||
|
||||
if (pa->parent[0] == 0) {
|
||||
if (pa->parent == NULL) {
|
||||
/* root queue */
|
||||
opts->lssc_m1 = pa->ifbandwidth;
|
||||
opts->lssc_m2 = pa->ifbandwidth;
|
||||
@ -877,7 +886,18 @@ eval_pfqueue_fairq(struct pfctl *pf __unused, struct pf_altq *pa)
|
||||
return (0);
|
||||
}
|
||||
|
||||
LIST_INIT(&lssc);
|
||||
/* First child initializes the parent's service curve accumulator. */
|
||||
if (parent->meta.children == 1)
|
||||
LIST_INIT(&parent->meta.lssc);
|
||||
|
||||
if (parent->pa.pq_u.fairq_opts.flags & FARF_DEFAULTCLASS) {
|
||||
warnx("adding %s would make default queue %s not a leaf",
|
||||
pa->qname, pa->parent);
|
||||
return (-1);
|
||||
}
|
||||
|
||||
if (pa->pq_u.fairq_opts.flags & FARF_DEFAULTCLASS)
|
||||
if_ppa->meta.default_classes++;
|
||||
|
||||
/* if link_share is not specified, use bandwidth */
|
||||
if (opts->lssc_m2 == 0)
|
||||
@ -894,122 +914,49 @@ eval_pfqueue_fairq(struct pfctl *pf __unused, struct pf_altq *pa)
|
||||
* be smaller than the interface bandwidth, and the upper-limit should
|
||||
* be larger than the real-time service curve when both are defined.
|
||||
*/
|
||||
parent = qname_to_pfaltq(pa->parent, pa->ifname);
|
||||
if (parent == NULL)
|
||||
errx(1, "parent %s not found for %s", pa->parent, pa->qname);
|
||||
|
||||
TAILQ_FOREACH(altq, &altqs, entries) {
|
||||
if (strncmp(altq->ifname, pa->ifname, IFNAMSIZ) != 0)
|
||||
continue;
|
||||
if (altq->qname[0] == 0) /* this is for interface */
|
||||
continue;
|
||||
|
||||
if (strncmp(altq->parent, pa->parent, PF_QNAME_SIZE) != 0)
|
||||
continue;
|
||||
|
||||
/* if the class has a link-sharing service curve, add it. */
|
||||
if (opts->lssc_m2 != 0 && altq->pq_u.fairq_opts.lssc_m2 != 0) {
|
||||
sc.m1 = altq->pq_u.fairq_opts.lssc_m1;
|
||||
sc.d = altq->pq_u.fairq_opts.lssc_d;
|
||||
sc.m2 = altq->pq_u.fairq_opts.lssc_m2;
|
||||
gsc_add_sc(&lssc, &sc);
|
||||
}
|
||||
}
|
||||
|
||||
/* check the link-sharing service curve. */
|
||||
/* check the linkshare service curve. */
|
||||
if (opts->lssc_m2 != 0) {
|
||||
sc.m1 = parent->pq_u.fairq_opts.lssc_m1;
|
||||
sc.d = parent->pq_u.fairq_opts.lssc_d;
|
||||
sc.m2 = parent->pq_u.fairq_opts.lssc_m2;
|
||||
if (!is_gsc_under_sc(&lssc, &sc)) {
|
||||
/* add this queue to the child sum */
|
||||
sc.m1 = opts->lssc_m1;
|
||||
sc.d = opts->lssc_d;
|
||||
sc.m2 = opts->lssc_m2;
|
||||
gsc_add_sc(&parent->meta.lssc, &sc);
|
||||
/* compare the sum of the children with parent's sc */
|
||||
sc.m1 = parent->pa.pq_u.fairq_opts.lssc_m1;
|
||||
sc.d = parent->pa.pq_u.fairq_opts.lssc_d;
|
||||
sc.m2 = parent->pa.pq_u.fairq_opts.lssc_m2;
|
||||
if (!is_gsc_under_sc(&parent->meta.lssc, &sc)) {
|
||||
warnx("link-sharing sc exceeds parent's sc");
|
||||
goto err_ret;
|
||||
}
|
||||
}
|
||||
|
||||
gsc_destroy(&lssc);
|
||||
|
||||
return (0);
|
||||
|
||||
err_ret:
|
||||
gsc_destroy(&lssc);
|
||||
return (-1);
|
||||
}
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
check_commit_hfsc(int dev, int opts, struct pf_altq *pa)
|
||||
check_commit_hfsc(int dev, int opts, struct pfctl_altq *if_ppa)
|
||||
{
|
||||
struct pf_altq *altq, *def = NULL;
|
||||
int default_class;
|
||||
int error = 0;
|
||||
|
||||
/* check if hfsc has one default queue for this interface */
|
||||
default_class = 0;
|
||||
TAILQ_FOREACH(altq, &altqs, entries) {
|
||||
if (strncmp(altq->ifname, pa->ifname, IFNAMSIZ) != 0)
|
||||
continue;
|
||||
if (altq->qname[0] == 0) /* this is for interface */
|
||||
continue;
|
||||
if (altq->parent[0] == 0) /* dummy root */
|
||||
continue;
|
||||
if (altq->pq_u.hfsc_opts.flags & HFCF_DEFAULTCLASS) {
|
||||
default_class++;
|
||||
def = altq;
|
||||
}
|
||||
}
|
||||
if (default_class != 1) {
|
||||
warnx("should have one default queue on %s", pa->ifname);
|
||||
if (if_ppa->meta.default_classes != 1) {
|
||||
warnx("should have one default queue on %s", if_ppa->pa.ifname);
|
||||
return (1);
|
||||
}
|
||||
/* make sure the default queue is a leaf */
|
||||
TAILQ_FOREACH(altq, &altqs, entries) {
|
||||
if (strncmp(altq->ifname, pa->ifname, IFNAMSIZ) != 0)
|
||||
continue;
|
||||
if (altq->qname[0] == 0) /* this is for interface */
|
||||
continue;
|
||||
if (strncmp(altq->parent, def->qname, PF_QNAME_SIZE) == 0) {
|
||||
warnx("default queue is not a leaf");
|
||||
error++;
|
||||
}
|
||||
}
|
||||
return (error);
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
check_commit_fairq(int dev __unused, int opts __unused, struct pf_altq *pa)
|
||||
check_commit_fairq(int dev __unused, int opts __unused, struct pfctl_altq *if_ppa)
|
||||
{
|
||||
struct pf_altq *altq, *def = NULL;
|
||||
int default_class;
|
||||
int error = 0;
|
||||
|
||||
/* check if fairq has one default queue for this interface */
|
||||
default_class = 0;
|
||||
TAILQ_FOREACH(altq, &altqs, entries) {
|
||||
if (strncmp(altq->ifname, pa->ifname, IFNAMSIZ) != 0)
|
||||
continue;
|
||||
if (altq->qname[0] == 0) /* this is for interface */
|
||||
continue;
|
||||
if (altq->pq_u.fairq_opts.flags & FARF_DEFAULTCLASS) {
|
||||
default_class++;
|
||||
def = altq;
|
||||
}
|
||||
}
|
||||
if (default_class != 1) {
|
||||
warnx("should have one default queue on %s", pa->ifname);
|
||||
if (if_ppa->meta.default_classes != 1) {
|
||||
warnx("should have one default queue on %s", if_ppa->pa.ifname);
|
||||
return (1);
|
||||
}
|
||||
/* make sure the default queue is a leaf */
|
||||
TAILQ_FOREACH(altq, &altqs, entries) {
|
||||
if (strncmp(altq->ifname, pa->ifname, IFNAMSIZ) != 0)
|
||||
continue;
|
||||
if (altq->qname[0] == 0) /* this is for interface */
|
||||
continue;
|
||||
if (strncmp(altq->parent, def->qname, PF_QNAME_SIZE) == 0) {
|
||||
warnx("default queue is not a leaf");
|
||||
error++;
|
||||
}
|
||||
}
|
||||
return (error);
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
@ -1351,8 +1298,7 @@ getifspeed(char *ifname)
|
||||
struct ifreq ifr;
|
||||
struct if_data ifrdat;
|
||||
|
||||
if ((s = socket(get_socket_domain(), SOCK_DGRAM, 0)) < 0)
|
||||
err(1, "socket");
|
||||
s = get_query_socket();
|
||||
bzero(&ifr, sizeof(ifr));
|
||||
if (strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)) >=
|
||||
sizeof(ifr.ifr_name))
|
||||
@ -1360,8 +1306,6 @@ getifspeed(char *ifname)
|
||||
ifr.ifr_data = (caddr_t)&ifrdat;
|
||||
if (ioctl(s, SIOCGIFDATA, (caddr_t)&ifr) == -1)
|
||||
err(1, "SIOCGIFDATA");
|
||||
if (close(s))
|
||||
err(1, "close");
|
||||
return ((u_int32_t)ifrdat.ifi_baudrate);
|
||||
}
|
||||
#endif
|
||||
@ -1372,8 +1316,7 @@ getifmtu(char *ifname)
|
||||
int s;
|
||||
struct ifreq ifr;
|
||||
|
||||
if ((s = socket(get_socket_domain(), SOCK_DGRAM, 0)) < 0)
|
||||
err(1, "socket");
|
||||
s = get_query_socket();
|
||||
bzero(&ifr, sizeof(ifr));
|
||||
if (strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)) >=
|
||||
sizeof(ifr.ifr_name))
|
||||
@ -1384,8 +1327,6 @@ getifmtu(char *ifname)
|
||||
#else
|
||||
err(1, "SIOCGIFMTU");
|
||||
#endif
|
||||
if (close(s))
|
||||
err(1, "close");
|
||||
if (ifr.ifr_mtu > 0)
|
||||
return (ifr.ifr_mtu);
|
||||
else {
|
||||
|
||||
@ -50,6 +50,7 @@ __FBSDID("$FreeBSD$");
|
||||
#include <net/pfvar.h>
|
||||
#include <arpa/inet.h>
|
||||
|
||||
#include <search.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
@ -72,7 +73,6 @@ void print_fromto(struct pf_rule_addr *, pf_osfp_t,
|
||||
struct pf_rule_addr *, u_int8_t, u_int8_t, int, int);
|
||||
int ifa_skip_if(const char *filter, struct node_host *p);
|
||||
|
||||
struct node_host *ifa_grouplookup(const char *, int);
|
||||
struct node_host *host_if(const char *, int);
|
||||
struct node_host *host_v4(const char *, int);
|
||||
struct node_host *host_v6(const char *, int);
|
||||
@ -209,6 +209,19 @@ const struct pf_timeout pf_timeouts[] = {
|
||||
{ NULL, 0 }
|
||||
};
|
||||
|
||||
static struct hsearch_data isgroup_map;
|
||||
|
||||
static __attribute__((constructor)) void
|
||||
pfctl_parser_init(void)
|
||||
{
|
||||
/*
|
||||
* As hdestroy() will never be called on these tables, it will be
|
||||
* safe to use references into the stored data as keys.
|
||||
*/
|
||||
if (hcreate_r(0, &isgroup_map) == 0)
|
||||
err(1, "Failed to create interface group query response map");
|
||||
}
|
||||
|
||||
const struct icmptypeent *
|
||||
geticmptypebynumber(u_int8_t type, sa_family_t af)
|
||||
{
|
||||
@ -1153,6 +1166,71 @@ check_netmask(struct node_host *h, sa_family_t af)
|
||||
|
||||
static struct node_host *iftab;
|
||||
|
||||
/*
|
||||
* Retrieve the list of groups this interface is a member of and make sure
|
||||
* each group is in the group map.
|
||||
*/
|
||||
static void
|
||||
ifa_add_groups_to_map(char *ifa_name)
|
||||
{
|
||||
int s, len;
|
||||
struct ifgroupreq ifgr;
|
||||
struct ifg_req *ifg;
|
||||
|
||||
s = get_query_socket();
|
||||
|
||||
/* Get size of group list for this interface */
|
||||
memset(&ifgr, 0, sizeof(ifgr));
|
||||
strlcpy(ifgr.ifgr_name, ifa_name, IFNAMSIZ);
|
||||
if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1)
|
||||
err(1, "SIOCGIFGROUP");
|
||||
|
||||
/* Retrieve group list for this interface */
|
||||
len = ifgr.ifgr_len;
|
||||
ifgr.ifgr_groups =
|
||||
(struct ifg_req *)calloc(len / sizeof(struct ifg_req),
|
||||
sizeof(struct ifg_req));
|
||||
if (ifgr.ifgr_groups == NULL)
|
||||
err(1, "calloc");
|
||||
if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1)
|
||||
err(1, "SIOCGIFGROUP");
|
||||
|
||||
ifg = ifgr.ifgr_groups;
|
||||
for (; ifg && len >= sizeof(struct ifg_req); ifg++) {
|
||||
len -= sizeof(struct ifg_req);
|
||||
if (strcmp(ifg->ifgrq_group, "all")) {
|
||||
ENTRY item;
|
||||
ENTRY *ret_item;
|
||||
int *answer;
|
||||
|
||||
item.key = ifg->ifgrq_group;
|
||||
if (hsearch_r(item, FIND, &ret_item, &isgroup_map) == 0) {
|
||||
struct ifgroupreq ifgr2;
|
||||
|
||||
/* Don't know the answer yet */
|
||||
if ((answer = malloc(sizeof(int))) == NULL)
|
||||
err(1, "malloc");
|
||||
|
||||
bzero(&ifgr2, sizeof(ifgr2));
|
||||
strlcpy(ifgr2.ifgr_name, ifg->ifgrq_group,
|
||||
sizeof(ifgr2.ifgr_name));
|
||||
if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr2) == 0)
|
||||
*answer = ifgr2.ifgr_len;
|
||||
else
|
||||
*answer = 0;
|
||||
|
||||
item.key = strdup(ifg->ifgrq_group);
|
||||
item.data = answer;
|
||||
if (hsearch_r(item, ENTER, &ret_item,
|
||||
&isgroup_map) == 0)
|
||||
err(1, "interface group query response"
|
||||
" map insert");
|
||||
}
|
||||
}
|
||||
}
|
||||
free(ifgr.ifgr_groups);
|
||||
}
|
||||
|
||||
void
|
||||
ifa_load(void)
|
||||
{
|
||||
@ -1220,6 +1298,8 @@ ifa_load(void)
|
||||
sizeof(struct in6_addr));
|
||||
n->ifindex = ((struct sockaddr_in6 *)
|
||||
ifa->ifa_addr)->sin6_scope_id;
|
||||
} else if (n->af == AF_LINK) {
|
||||
ifa_add_groups_to_map(ifa->ifa_name);
|
||||
}
|
||||
if ((n->ifname = strdup(ifa->ifa_name)) == NULL)
|
||||
err(1, "ifa_load: strdup");
|
||||
@ -1237,7 +1317,7 @@ ifa_load(void)
|
||||
freeifaddrs(ifap);
|
||||
}
|
||||
|
||||
int
|
||||
static int
|
||||
get_socket_domain(void)
|
||||
{
|
||||
int sdom;
|
||||
@ -1257,31 +1337,54 @@ get_socket_domain(void)
|
||||
return (sdom);
|
||||
}
|
||||
|
||||
int
|
||||
get_query_socket(void)
|
||||
{
|
||||
static int s = -1;
|
||||
|
||||
if (s == -1) {
|
||||
if ((s = socket(get_socket_domain(), SOCK_DGRAM, 0)) == -1)
|
||||
err(1, "socket");
|
||||
}
|
||||
|
||||
return (s);
|
||||
}
|
||||
|
||||
/*
|
||||
* Returns the response len if the name is a group, otherwise returns 0.
|
||||
*/
|
||||
static int
|
||||
is_a_group(char *name)
|
||||
{
|
||||
ENTRY item;
|
||||
ENTRY *ret_item;
|
||||
|
||||
item.key = name;
|
||||
if (hsearch_r(item, FIND, &ret_item, &isgroup_map) == 0)
|
||||
return (0);
|
||||
|
||||
return (*(int *)ret_item->data);
|
||||
}
|
||||
|
||||
struct node_host *
|
||||
ifa_exists(const char *ifa_name)
|
||||
ifa_exists(char *ifa_name)
|
||||
{
|
||||
struct node_host *n;
|
||||
struct ifgroupreq ifgr;
|
||||
int s;
|
||||
|
||||
if (iftab == NULL)
|
||||
ifa_load();
|
||||
|
||||
/* check wether this is a group */
|
||||
if ((s = socket(get_socket_domain(), SOCK_DGRAM, 0)) == -1)
|
||||
err(1, "socket");
|
||||
bzero(&ifgr, sizeof(ifgr));
|
||||
strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name));
|
||||
if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == 0) {
|
||||
/* check whether this is a group */
|
||||
s = get_query_socket();
|
||||
if (is_a_group(ifa_name)) {
|
||||
/* fake a node_host */
|
||||
if ((n = calloc(1, sizeof(*n))) == NULL)
|
||||
err(1, "calloc");
|
||||
if ((n->ifname = strdup(ifa_name)) == NULL)
|
||||
err(1, "strdup");
|
||||
close(s);
|
||||
return (n);
|
||||
}
|
||||
close(s);
|
||||
|
||||
for (n = iftab; n; n = n->next) {
|
||||
if (n->af == AF_LINK && !strncmp(n->ifname, ifa_name, IFNAMSIZ))
|
||||
@ -1292,23 +1395,19 @@ ifa_exists(const char *ifa_name)
|
||||
}
|
||||
|
||||
struct node_host *
|
||||
ifa_grouplookup(const char *ifa_name, int flags)
|
||||
ifa_grouplookup(char *ifa_name, int flags)
|
||||
{
|
||||
struct ifg_req *ifg;
|
||||
struct ifgroupreq ifgr;
|
||||
int s, len;
|
||||
struct node_host *n, *h = NULL;
|
||||
|
||||
if ((s = socket(get_socket_domain(), SOCK_DGRAM, 0)) == -1)
|
||||
err(1, "socket");
|
||||
s = get_query_socket();
|
||||
len = is_a_group(ifa_name);
|
||||
if (len == 0)
|
||||
return (NULL);
|
||||
bzero(&ifgr, sizeof(ifgr));
|
||||
strlcpy(ifgr.ifgr_name, ifa_name, sizeof(ifgr.ifgr_name));
|
||||
if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1) {
|
||||
close(s);
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
len = ifgr.ifgr_len;
|
||||
if ((ifgr.ifgr_groups = calloc(1, len)) == NULL)
|
||||
err(1, "calloc");
|
||||
if (ioctl(s, SIOCGIFGMEMB, (caddr_t)&ifgr) == -1)
|
||||
@ -1327,13 +1426,12 @@ ifa_grouplookup(const char *ifa_name, int flags)
|
||||
}
|
||||
}
|
||||
free(ifgr.ifgr_groups);
|
||||
close(s);
|
||||
|
||||
return (h);
|
||||
}
|
||||
|
||||
struct node_host *
|
||||
ifa_lookup(const char *ifa_name, int flags)
|
||||
ifa_lookup(char *ifa_name, int flags)
|
||||
{
|
||||
struct node_host *p = NULL, *h = NULL, *n = NULL;
|
||||
int got4 = 0, got6 = 0;
|
||||
|
||||
@ -177,6 +177,24 @@ struct node_queue_opt {
|
||||
} data;
|
||||
};
|
||||
|
||||
#define QPRI_BITSET_SIZE 256
|
||||
BITSET_DEFINE(qpri_bitset, QPRI_BITSET_SIZE);
|
||||
LIST_HEAD(gen_sc, segment);
|
||||
|
||||
struct pfctl_altq {
|
||||
struct pf_altq pa;
|
||||
struct {
|
||||
STAILQ_ENTRY(pfctl_altq) link;
|
||||
u_int64_t bwsum;
|
||||
struct qpri_bitset qpris;
|
||||
int children;
|
||||
int root_classes;
|
||||
int default_classes;
|
||||
struct gen_sc lssc;
|
||||
struct gen_sc rtsc;
|
||||
} meta;
|
||||
};
|
||||
|
||||
#ifdef __FreeBSD__
|
||||
/*
|
||||
* XXX
|
||||
@ -313,10 +331,10 @@ void set_ipmask(struct node_host *, u_int8_t);
|
||||
int check_netmask(struct node_host *, sa_family_t);
|
||||
int unmask(struct pf_addr *, sa_family_t);
|
||||
void ifa_load(void);
|
||||
int get_socket_domain(void);
|
||||
struct node_host *ifa_exists(const char *);
|
||||
struct node_host *ifa_grouplookup(const char *ifa_name, int flags);
|
||||
struct node_host *ifa_lookup(const char *, int);
|
||||
int get_query_socket(void);
|
||||
struct node_host *ifa_exists(char *);
|
||||
struct node_host *ifa_grouplookup(char *ifa_name, int flags);
|
||||
struct node_host *ifa_lookup(char *, int);
|
||||
struct node_host *host(const char *);
|
||||
|
||||
int append_addr(struct pfr_buffer *, char *, int);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user