mirror of
https://git.proxmox.com/git/mirror_frr
synced 2025-08-06 14:29:47 +00:00
Merge pull request #10533 from taspelund/ip_rule_nl_debugs
zebra: add netlink debugs for ip rules
This commit is contained in:
Jafar Al-Gharaibeh
GitHub
commit
d10b16499c
216
zebra/debug_nl.c
216
zebra/debug_nl.c
@ -24,6 +24,7 @@
|
||||
#include <linux/nexthop.h>
|
||||
#include <linux/rtnetlink.h>
|
||||
#include <net/if_arp.h>
|
||||
#include <linux/fib_rules.h>
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
@ -576,6 +577,86 @@ const char *nhm_rta2str(int type)
|
||||
}
|
||||
}
|
||||
|
||||
const char *frh_rta2str(int type)
|
||||
{
|
||||
switch (type) {
|
||||
case FRA_DST:
|
||||
return "DST";
|
||||
case FRA_SRC:
|
||||
return "SRC";
|
||||
case FRA_IIFNAME:
|
||||
return "IIFNAME";
|
||||
case FRA_GOTO:
|
||||
return "GOTO";
|
||||
case FRA_UNUSED2:
|
||||
return "UNUSED2";
|
||||
case FRA_PRIORITY:
|
||||
return "PRIORITY";
|
||||
case FRA_UNUSED3:
|
||||
return "UNUSED3";
|
||||
case FRA_UNUSED4:
|
||||
return "UNUSED4";
|
||||
case FRA_UNUSED5:
|
||||
return "UNUSED5";
|
||||
case FRA_FWMARK:
|
||||
return "FWMARK";
|
||||
case FRA_FLOW:
|
||||
return "FLOW";
|
||||
case FRA_TUN_ID:
|
||||
return "TUN_ID";
|
||||
case FRA_SUPPRESS_IFGROUP:
|
||||
return "SUPPRESS_IFGROUP";
|
||||
case FRA_SUPPRESS_PREFIXLEN:
|
||||
return "SUPPRESS_PREFIXLEN";
|
||||
case FRA_TABLE:
|
||||
return "TABLE";
|
||||
case FRA_FWMASK:
|
||||
return "FWMASK";
|
||||
case FRA_OIFNAME:
|
||||
return "OIFNAME";
|
||||
case FRA_PAD:
|
||||
return "PAD";
|
||||
case FRA_L3MDEV:
|
||||
return "L3MDEV";
|
||||
case FRA_UID_RANGE:
|
||||
return "UID_RANGE";
|
||||
case FRA_PROTOCOL:
|
||||
return "PROTOCOL";
|
||||
case FRA_IP_PROTO:
|
||||
return "IP_PROTO";
|
||||
case FRA_SPORT_RANGE:
|
||||
return "SPORT_RANGE";
|
||||
case FRA_DPORT_RANGE:
|
||||
return "DPORT_RANGE";
|
||||
default:
|
||||
return "UNKNOWN";
|
||||
}
|
||||
}
|
||||
|
||||
const char *frh_action2str(uint8_t action)
|
||||
{
|
||||
switch (action) {
|
||||
case FR_ACT_TO_TBL:
|
||||
return "TO_TBL";
|
||||
case FR_ACT_GOTO:
|
||||
return "GOTO";
|
||||
case FR_ACT_NOP:
|
||||
return "NOP";
|
||||
case FR_ACT_RES3:
|
||||
return "RES3";
|
||||
case FR_ACT_RES4:
|
||||
return "RES4";
|
||||
case FR_ACT_BLACKHOLE:
|
||||
return "BLACKHOLE";
|
||||
case FR_ACT_UNREACHABLE:
|
||||
return "UNREACHABLE";
|
||||
case FR_ACT_PROHIBIT:
|
||||
return "PROHIBIT";
|
||||
default:
|
||||
return "UNKNOWN";
|
||||
}
|
||||
}
|
||||
|
||||
static inline void flag_write(int flags, int flag, const char *flagstr,
|
||||
char *buf, size_t buflen)
|
||||
{
|
||||
@ -1110,6 +1191,111 @@ next_rta:
|
||||
goto next_rta;
|
||||
}
|
||||
|
||||
static void nlrule_dump(struct fib_rule_hdr *frh, size_t msglen)
|
||||
{
|
||||
struct rtattr *rta;
|
||||
size_t plen;
|
||||
uint8_t u8v;
|
||||
uint32_t u32v;
|
||||
int32_t s32v;
|
||||
uint64_t u64v;
|
||||
char dbuf[128];
|
||||
struct fib_rule_uid_range *u_range;
|
||||
struct fib_rule_port_range *p_range;
|
||||
|
||||
/* Get the first attribute and go from there. */
|
||||
rta = RTM_RTA(frh);
|
||||
next_rta:
|
||||
/* Check the header for valid length and for outbound access. */
|
||||
if (RTA_OK(rta, msglen) == 0)
|
||||
return;
|
||||
|
||||
plen = RTA_PAYLOAD(rta);
|
||||
zlog_debug(" rta [len=%d (payload=%zu) type=(%d) %s]", rta->rta_len,
|
||||
plen, rta->rta_type, frh_rta2str(rta->rta_type));
|
||||
switch (rta->rta_type) {
|
||||
case FRA_DST:
|
||||
case FRA_SRC:
|
||||
switch (plen) {
|
||||
case sizeof(struct in_addr):
|
||||
zlog_debug(" %pI4",
|
||||
(struct in_addr *)RTA_DATA(rta));
|
||||
break;
|
||||
case sizeof(struct in6_addr):
|
||||
zlog_debug(" %pI6",
|
||||
(struct in6_addr *)RTA_DATA(rta));
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case FRA_IIFNAME:
|
||||
case FRA_OIFNAME:
|
||||
snprintf(dbuf, sizeof(dbuf), "%s", (char *)RTA_DATA(rta));
|
||||
zlog_debug(" %s", dbuf);
|
||||
break;
|
||||
|
||||
case FRA_GOTO:
|
||||
case FRA_UNUSED2:
|
||||
case FRA_PRIORITY:
|
||||
case FRA_UNUSED3:
|
||||
case FRA_UNUSED4:
|
||||
case FRA_UNUSED5:
|
||||
case FRA_FWMARK:
|
||||
case FRA_FLOW:
|
||||
case FRA_TABLE:
|
||||
case FRA_FWMASK:
|
||||
u32v = *(uint32_t *)RTA_DATA(rta);
|
||||
zlog_debug(" %u", u32v);
|
||||
break;
|
||||
|
||||
case FRA_SUPPRESS_IFGROUP:
|
||||
case FRA_SUPPRESS_PREFIXLEN:
|
||||
s32v = *(int32_t *)RTA_DATA(rta);
|
||||
zlog_debug(" %d", s32v);
|
||||
break;
|
||||
|
||||
case FRA_TUN_ID:
|
||||
u64v = *(uint64_t *)RTA_DATA(rta);
|
||||
zlog_debug(" %" PRIu64, u64v);
|
||||
break;
|
||||
|
||||
case FRA_L3MDEV:
|
||||
case FRA_PROTOCOL:
|
||||
case FRA_IP_PROTO:
|
||||
u8v = *(uint8_t *)RTA_DATA(rta);
|
||||
zlog_debug(" %u", u8v);
|
||||
break;
|
||||
|
||||
case FRA_UID_RANGE:
|
||||
u_range = (struct fib_rule_uid_range *)RTA_DATA(rta);
|
||||
if (u_range->start == u_range->end)
|
||||
zlog_debug(" %u", u_range->start);
|
||||
else
|
||||
zlog_debug(" %u-%u", u_range->start, u_range->end);
|
||||
break;
|
||||
|
||||
case FRA_SPORT_RANGE:
|
||||
case FRA_DPORT_RANGE:
|
||||
p_range = (struct fib_rule_port_range *)RTA_DATA(rta);
|
||||
if (p_range->start == p_range->end)
|
||||
zlog_debug(" %u", p_range->start);
|
||||
else
|
||||
zlog_debug(" %u-%u", p_range->start, p_range->end);
|
||||
break;
|
||||
|
||||
case FRA_PAD: /* fallthrough */
|
||||
default:
|
||||
/* NOTHING: unhandled. */
|
||||
break;
|
||||
}
|
||||
|
||||
/* Get next pointer and start iteration again. */
|
||||
rta = RTA_NEXT(rta, msglen);
|
||||
goto next_rta;
|
||||
}
|
||||
|
||||
void nl_dump(void *msg, size_t msglen)
|
||||
{
|
||||
struct nlmsghdr *nlmsg = msg;
|
||||
@ -1120,6 +1306,7 @@ void nl_dump(void *msg, size_t msglen)
|
||||
struct rtmsg *rtm;
|
||||
struct nhmsg *nhm;
|
||||
struct ifinfomsg *ifi;
|
||||
struct fib_rule_hdr *frh;
|
||||
char fbuf[128];
|
||||
char ibuf[128];
|
||||
|
||||
@ -1151,8 +1338,7 @@ next_header:
|
||||
case RTM_SETLINK:
|
||||
ifi = NLMSG_DATA(nlmsg);
|
||||
zlog_debug(
|
||||
" ifinfomsg [family=%d type=(%d) %s "
|
||||
"index=%d flags=0x%04x {%s}]",
|
||||
" ifinfomsg [family=%d type=(%d) %s index=%d flags=0x%04x {%s}]",
|
||||
ifi->ifi_family, ifi->ifi_type,
|
||||
ifi_type2str(ifi->ifi_type), ifi->ifi_index,
|
||||
ifi->ifi_flags,
|
||||
@ -1170,9 +1356,7 @@ next_header:
|
||||
case RTM_GETROUTE:
|
||||
rtm = NLMSG_DATA(nlmsg);
|
||||
zlog_debug(
|
||||
" rtmsg [family=(%d) %s dstlen=%d srclen=%d tos=%d "
|
||||
"table=%d protocol=(%d) %s scope=(%d) %s "
|
||||
"type=(%d) %s flags=0x%04x {%s}]",
|
||||
" rtmsg [family=(%d) %s dstlen=%d srclen=%d tos=%d table=%d protocol=(%d) %s scope=(%d) %s type=(%d) %s flags=0x%04x {%s}]",
|
||||
rtm->rtm_family, af_type2str(rtm->rtm_family),
|
||||
rtm->rtm_dst_len, rtm->rtm_src_len, rtm->rtm_tos,
|
||||
rtm->rtm_table, rtm->rtm_protocol,
|
||||
@ -1188,8 +1372,7 @@ next_header:
|
||||
case RTM_DELNEIGH:
|
||||
ndm = NLMSG_DATA(nlmsg);
|
||||
zlog_debug(
|
||||
" ndm [family=%d (%s) ifindex=%d state=0x%04x {%s} "
|
||||
"flags=0x%04x {%s} type=%d (%s)]",
|
||||
" ndm [family=%d (%s) ifindex=%d state=0x%04x {%s} flags=0x%04x {%s} type=%d (%s)]",
|
||||
ndm->ndm_family, af_type2str(ndm->ndm_family),
|
||||
ndm->ndm_ifindex, ndm->ndm_state,
|
||||
neigh_state2str(ndm->ndm_state, ibuf, sizeof(ibuf)),
|
||||
@ -1200,12 +1383,24 @@ next_header:
|
||||
nlmsg->nlmsg_len - NLMSG_LENGTH(sizeof(*ndm)));
|
||||
break;
|
||||
|
||||
case RTM_NEWRULE:
|
||||
case RTM_DELRULE:
|
||||
frh = NLMSG_DATA(nlmsg);
|
||||
zlog_debug(
|
||||
" frh [family=%d (%s) dst_len=%d src_len=%d tos=%d table=%d res1=%d res2=%d action=%d (%s) flags=0x%x]",
|
||||
frh->family, af_type2str(frh->family), frh->dst_len,
|
||||
frh->src_len, frh->tos, frh->table, frh->res1,
|
||||
frh->res2, frh->action, frh_action2str(frh->action),
|
||||
frh->flags);
|
||||
nlrule_dump(frh, nlmsg->nlmsg_len - NLMSG_LENGTH(sizeof(*frh)));
|
||||
break;
|
||||
|
||||
|
||||
case RTM_NEWADDR:
|
||||
case RTM_DELADDR:
|
||||
ifa = NLMSG_DATA(nlmsg);
|
||||
zlog_debug(
|
||||
" ifa [family=(%d) %s prefixlen=%d "
|
||||
"flags=0x%04x {%s} scope=%d index=%u]",
|
||||
" ifa [family=(%d) %s prefixlen=%d flags=0x%04x {%s} scope=%d index=%u]",
|
||||
ifa->ifa_family, af_type2str(ifa->ifa_family),
|
||||
ifa->ifa_prefixlen, ifa->ifa_flags,
|
||||
if_flags2str(ifa->ifa_flags, fbuf, sizeof(fbuf)),
|
||||
@ -1218,8 +1413,7 @@ next_header:
|
||||
case RTM_GETNEXTHOP:
|
||||
nhm = NLMSG_DATA(nlmsg);
|
||||
zlog_debug(
|
||||
" nhm [family=(%d) %s scope=(%d) %s "
|
||||
"protocol=(%d) %s flags=0x%08x {%s}]",
|
||||
" nhm [family=(%d) %s scope=(%d) %s protocol=(%d) %s flags=0x%08x {%s}]",
|
||||
nhm->nh_family, af_type2str(nhm->nh_family),
|
||||
nhm->nh_scope, rtm_scope2str(nhm->nh_scope),
|
||||
nhm->nh_protocol, rtm_protocol2str(nhm->nh_protocol),
|
||||
|
||||
@ -134,6 +134,8 @@ const char *rtm_rta2str(int type);
|
||||
const char *neigh_rta2str(int type);
|
||||
const char *ifa_rta2str(int type);
|
||||
const char *nhm_rta2str(int type);
|
||||
const char *frh_rta2str(int type);
|
||||
const char *frh_action2str(uint8_t action);
|
||||
const char *nlmsg_flags2str(uint16_t flags, char *buf, size_t buflen);
|
||||
const char *if_flags2str(uint32_t flags, char *buf, size_t buflen);
|
||||
const char *rtm_flags2str(uint32_t flags, char *buf, size_t buflen);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user