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Merge pull request #2636 from ppmathis/cleanup/bgpd

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bgpd: Cleanup of bgp daemon code
This commit is contained in:
Quentin Young 2018-07-09 15:43:32 -04:00 committed by GitHub
commit 6b479dff80
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
21 changed files with 20 additions and 251 deletions
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1
bgpd/IMPLEMENTATION.txt
View File

@ -131,7 +131,6 @@ bgpd.h
struct peer_group
struct bgp_notify: (in-core representation of wire format?)
struct bgp_nexthop: (v4 and v6 addresses, *ifp)
struct bgp_rd: router distinguisher: 8 octects
struct bgp_filter: distribute, prefix, aslist, route_maps
struct peer: neighbor structure (very rich/complex)
struct bgp_nlri: reference to wire format

11
bgpd/bgp_clist.c
View File

@ -274,8 +274,7 @@ static void community_list_entry_add(struct community_list *list,
/* Delete community-list entry from the list. */
static void community_list_entry_delete(struct community_list *list,
struct community_entry *entry,
int style)
struct community_entry *entry)
{
if (entry->next)
entry->next->prev = entry->prev;
@ -882,7 +881,7 @@ int community_list_unset(struct community_list_handler *ch, const char *name,
if (!entry)
return COMMUNITY_LIST_ERR_CANT_FIND_LIST;
community_list_entry_delete(list, entry, style);
community_list_entry_delete(list, entry);
route_map_notify_dependencies(name, RMAP_EVENT_CLIST_DELETED);
return 0;
@ -1040,7 +1039,7 @@ int lcommunity_list_unset(struct community_list_handler *ch, const char *name,
if (!entry)
return COMMUNITY_LIST_ERR_CANT_FIND_LIST;
community_list_entry_delete(list, entry, style);
community_list_entry_delete(list, entry);
return 0;
}
@ -1057,8 +1056,6 @@ int extcommunity_list_set(struct community_list_handler *ch, const char *name,
if (str == NULL)
return COMMUNITY_LIST_ERR_MALFORMED_VAL;
entry = NULL;
/* Get community list. */
list = community_list_get(ch, name, EXTCOMMUNITY_LIST_MASTER);
@ -1149,7 +1146,7 @@ int extcommunity_list_unset(struct community_list_handler *ch, const char *name,
if (!entry)
return COMMUNITY_LIST_ERR_CANT_FIND_LIST;
community_list_entry_delete(list, entry, style);
community_list_entry_delete(list, entry);
route_map_notify_dependencies(name, RMAP_EVENT_ECLIST_DELETED);
return 0;

1
bgpd/bgp_ecommunity.c
View File

@ -65,7 +65,6 @@ void ecommunity_free(struct ecommunity **ecom)
if ((*ecom)->str)
XFREE(MTYPE_ECOMMUNITY_STR, (*ecom)->str);
XFREE(MTYPE_ECOMMUNITY, *ecom);
ecom = NULL;
}
static void ecommunity_hash_free(struct ecommunity *ecom)

3
bgpd/bgp_evpn.c
View File

@ -4639,7 +4639,6 @@ int bgp_nlri_parse_evpn(struct peer *peer, struct attr *attr,
int addpath_encoded;
int psize = 0;
uint8_t rtype;
uint8_t rlen;
struct prefix p;
/* Start processing the NLRI - there may be multiple in the MP_REACH */
@ -4673,7 +4672,7 @@ int bgp_nlri_parse_evpn(struct peer *peer, struct attr *attr,
return -1;
rtype = *pnt++;
psize = rlen = *pnt++;
psize = *pnt++;
/* When packet overflow occur return immediately. */
if (pnt + psize > lim)

3
bgpd/bgp_flowspec.c
View File

@ -91,7 +91,6 @@ int bgp_nlri_parse_flowspec(struct peer *peer, struct attr *attr,
afi_t afi;
safi_t safi;
int psize = 0;
uint8_t rlen;
struct prefix p;
int ret;
void *temp;
@ -121,7 +120,7 @@ int bgp_nlri_parse_flowspec(struct peer *peer, struct attr *attr,
if (pnt + 1 > lim)
return -1;
psize = rlen = *pnt++;
psize = *pnt++;
/* When packet overflow occur return immediately. */
if (pnt + psize > lim) {

1
bgpd/bgp_lcommunity.c
View File

@ -50,7 +50,6 @@ void lcommunity_free(struct lcommunity **lcom)
if ((*lcom)->str)
XFREE(MTYPE_LCOMMUNITY_STR, (*lcom)->str);
XFREE(MTYPE_LCOMMUNITY, *lcom);
lcom = NULL;
}
static void lcommunity_hash_free(struct lcommunity *lcom)

2
bgpd/bgp_nexthop.c
View File

@ -447,8 +447,6 @@ int bgp_subgrp_multiaccess_check_v4(struct in_addr nexthop,
p.family = AF_INET;
p.prefixlen = IPV4_MAX_BITLEN;
rn2 = NULL;
bgp = SUBGRP_INST(subgrp);
rn1 = bgp_node_match(bgp->connected_table[AFI_IP], &np);
if (!rn1)

9
bgpd/bgp_open.h
View File

@ -34,21 +34,12 @@ struct capability_mp_data {
uint8_t safi; /* iana_safi_t */
};
struct capability_as4 {
uint32_t as4;
};
struct graceful_restart_af {
afi_t afi;
safi_t safi;
uint8_t flag;
};
struct capability_gr {
uint16_t restart_flag_time;
struct graceful_restart_af gr[];
};
/* Capability Code */
#define CAPABILITY_CODE_MP 1 /* Multiprotocol Extensions */
#define CAPABILITY_CODE_REFRESH 2 /* Route Refresh Capability */

2
bgpd/bgp_pbr.c
View File

@ -348,7 +348,7 @@ static bool bgp_pbr_extract_enumerate(struct bgp_pbr_match_val list[],
void *valmask, uint8_t type_entry)
{
bool ret;
uint8_t unary_operator_val = unary_operator;
uint8_t unary_operator_val;
bool double_check = false;
if ((unary_operator & OPERATOR_UNARY_OR) &&

6
bgpd/bgp_pbr.h
View File

@ -57,17 +57,13 @@ struct bgp_pbr_match_val {
uint16_t value;
uint8_t compare_operator;
uint8_t unary_operator;
} bgp_pbr_value_t;
};
#define FRAGMENT_DONT 1
#define FRAGMENT_IS 2
#define FRAGMENT_FIRST 4
#define FRAGMENT_LAST 8
struct bgp_pbr_fragment_val {
uint8_t bitmask;
};
struct bgp_pbr_entry_action {
/* used to store enum bgp_pbr_action_enum enumerate */
uint8_t action;

4
bgpd/bgp_route.c
View File

@ -2673,14 +2673,12 @@ static void bgp_rib_withdraw(struct bgp_node *rn, struct bgp_info *ri,
struct peer *peer, afi_t afi, safi_t safi,
struct prefix_rd *prd)
{
int status = BGP_DAMP_NONE;
/* apply dampening, if result is suppressed, we'll be retaining
* the bgp_info in the RIB for historical reference.
*/
if (CHECK_FLAG(peer->bgp->af_flags[afi][safi], BGP_CONFIG_DAMPENING)
&& peer->sort == BGP_PEER_EBGP)
if ((status = bgp_damp_withdraw(ri, rn, afi, safi, 0))
if ((bgp_damp_withdraw(ri, rn, afi, safi, 0))
== BGP_DAMP_SUPPRESSED) {
bgp_aggregate_decrement(peer->bgp, &rn->p, ri, afi,
safi);

3
bgpd/bgp_rpki.c
View File

@ -864,7 +864,7 @@ DEFPY (rpki_cache,
"Preference of the cache server\n"
"Preference value\n")
{
int return_value = SUCCESS;
int return_value;
// use ssh connection
if (ssh_uname) {
@ -873,6 +873,7 @@ DEFPY (rpki_cache,
add_ssh_cache(cache, sshport, ssh_uname, ssh_privkey,
ssh_pubkey, server_pubkey, preference);
#else
return_value = SUCCESS;
vty_out(vty,
"ssh sockets are not supported. "
"Please recompile rtrlib and frr with ssh support. "

11
bgpd/bgp_vnc_types.h
View File

@ -25,16 +25,5 @@ typedef enum {
BGP_VNC_SUBTLV_TYPE_RFPOPTION = 2, /* deprecated */
} bgp_vnc_subtlv_types;
/*
* VNC Attribute subtlvs
*/
struct bgp_vnc_subtlv_lifetime {
uint32_t lifetime;
};
struct bgp_vnc_subtlv_unaddr {
struct prefix un_address; /* IPv4 or IPv6; pfx length ignored */
};
#endif /* ENABLE_BGP_VNC */
#endif /* _QUAGGA_BGP_VNC_TYPES_H */

2
bgpd/bgp_vty.c
View File

@ -3372,8 +3372,6 @@ DEFUN (neighbor_set_peer_group,
struct peer *peer;
struct peer_group *group;
peer = NULL;
ret = str2sockunion(argv[idx_peer]->arg, &su);
if (ret < 0) {
peer = peer_lookup_by_conf_if(bgp, argv[idx_peer]->arg);

2
bgpd/bgp_zebra.c
View File

@ -1190,7 +1190,7 @@ void bgp_zebra_announce(struct bgp_node *rn, struct prefix *p,
mpls_label_t label;
int nh_othervrf = 0;
char buf_prefix[PREFIX_STRLEN]; /* filled in if we are debugging */
bool is_evpn = false;
bool is_evpn;
int nh_updated;
/* Don't try to install if we're not connected to Zebra or Zebra doesn't

183
bgpd/bgpd.c
View File

@ -888,129 +888,6 @@ static bool peergroup_filter_check(struct peer *peer, afi_t afi, safi_t safi,
}
}
/* Reset all address family specific configuration. */
static void peer_af_flag_reset(struct peer *peer, afi_t afi, safi_t safi)
{
int i;
struct bgp_filter *filter;
char orf_name[BUFSIZ];
filter = &peer->filter[afi][safi];
/* Clear neighbor filter and route-map */
for (i = FILTER_IN; i < FILTER_MAX; i++) {
if (filter->dlist[i].name) {
XFREE(MTYPE_BGP_FILTER_NAME, filter->dlist[i].name);
filter->dlist[i].name = NULL;
}
if (filter->plist[i].name) {
XFREE(MTYPE_BGP_FILTER_NAME, filter->plist[i].name);
filter->plist[i].name = NULL;
}
if (filter->aslist[i].name) {
XFREE(MTYPE_BGP_FILTER_NAME, filter->aslist[i].name);
filter->aslist[i].name = NULL;
}
}
for (i = RMAP_IN; i < RMAP_MAX; i++) {
if (filter->map[i].name) {
XFREE(MTYPE_BGP_FILTER_NAME, filter->map[i].name);
filter->map[i].name = NULL;
}
}
/* Clear unsuppress map. */
if (filter->usmap.name)
XFREE(MTYPE_BGP_FILTER_NAME, filter->usmap.name);
filter->usmap.name = NULL;
filter->usmap.map = NULL;
/* Clear neighbor's all address family flags. */
peer->af_flags[afi][safi] = 0;
/* Clear neighbor's all address family sflags. */
peer->af_sflags[afi][safi] = 0;
/* Clear neighbor's all address family capabilities. */
peer->af_cap[afi][safi] = 0;
/* Clear ORF info */
peer->orf_plist[afi][safi] = NULL;
sprintf(orf_name, "%s.%d.%d", peer->host, afi, safi);
prefix_bgp_orf_remove_all(afi, orf_name);
/* Set default neighbor send-community. */
if (!bgp_option_check(BGP_OPT_CONFIG_CISCO)) {
SET_FLAG(peer->af_flags[afi][safi], PEER_FLAG_SEND_COMMUNITY);
SET_FLAG(peer->af_flags[afi][safi],
PEER_FLAG_SEND_EXT_COMMUNITY);
SET_FLAG(peer->af_flags[afi][safi],
PEER_FLAG_SEND_LARGE_COMMUNITY);
SET_FLAG(peer->af_flags_invert[afi][safi],
PEER_FLAG_SEND_COMMUNITY);
SET_FLAG(peer->af_flags_invert[afi][safi],
PEER_FLAG_SEND_EXT_COMMUNITY);
SET_FLAG(peer->af_flags_invert[afi][safi],
PEER_FLAG_SEND_LARGE_COMMUNITY);
}
/* Clear neighbor default_originate_rmap */
if (peer->default_rmap[afi][safi].name)
XFREE(MTYPE_ROUTE_MAP_NAME, peer->default_rmap[afi][safi].name);
peer->default_rmap[afi][safi].name = NULL;
peer->default_rmap[afi][safi].map = NULL;
/* Clear neighbor maximum-prefix */
peer->pmax[afi][safi] = 0;
peer->pmax_threshold[afi][safi] = MAXIMUM_PREFIX_THRESHOLD_DEFAULT;
}
/* peer global config reset */
static void peer_global_config_reset(struct peer *peer)
{
int saved_flags = 0;
peer->change_local_as = 0;
peer->ttl = (peer_sort(peer) == BGP_PEER_IBGP ? MAXTTL : 1);
if (peer->update_source) {
sockunion_free(peer->update_source);
peer->update_source = NULL;
}
if (peer->update_if) {
XFREE(MTYPE_PEER_UPDATE_SOURCE, peer->update_if);
peer->update_if = NULL;
}
if (peer_sort(peer) == BGP_PEER_IBGP)
peer->v_routeadv = BGP_DEFAULT_IBGP_ROUTEADV;
else
peer->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV;
/* These are per-peer specific flags and so we must preserve them */
saved_flags |= CHECK_FLAG(peer->flags, PEER_FLAG_IFPEER_V6ONLY);
saved_flags |= CHECK_FLAG(peer->flags, PEER_FLAG_SHUTDOWN);
peer->flags = 0;
SET_FLAG(peer->flags, saved_flags);
peer->holdtime = 0;
peer->keepalive = 0;
peer->connect = 0;
peer->v_connect = BGP_DEFAULT_CONNECT_RETRY;
/* Reset some other configs back to defaults. */
peer->v_start = BGP_INIT_START_TIMER;
peer->password = NULL;
peer->local_id = peer->bgp->router_id;
peer->v_holdtime = peer->bgp->default_holdtime;
peer->v_keepalive = peer->bgp->default_keepalive;
bfd_info_free(&(peer->bfd_info));
/* Set back the CONFIG_NODE flag. */
SET_FLAG(peer->flags, PEER_FLAG_CONFIG_NODE);
}
/* Check peer's AS number and determines if this peer is IBGP or EBGP */
static inline bgp_peer_sort_t peer_calc_sort(struct peer *peer)
{
@ -2821,61 +2698,6 @@ int peer_group_bind(struct bgp *bgp, union sockunion *su, struct peer *peer,
return 0;
}
int peer_group_unbind(struct bgp *bgp, struct peer *peer,
struct peer_group *group)
{
struct peer *other;
afi_t afi;
safi_t safi;
if (group != peer->group)
return BGP_ERR_PEER_GROUP_MISMATCH;
FOREACH_AFI_SAFI (afi, safi) {
if (peer->afc[afi][safi]) {
peer->afc[afi][safi] = 0;
peer_af_flag_reset(peer, afi, safi);
if (peer_af_delete(peer, afi, safi) != 0) {
zlog_err(
"couldn't delete af structure for peer %s",
peer->host);
}
}
}
assert(listnode_lookup(group->peer, peer));
peer_unlock(peer); /* peer group list reference */
listnode_delete(group->peer, peer);
peer->group = NULL;
other = peer->doppelganger;
if (group->conf->as) {
peer_delete(peer);
if (other && other->status != Deleted) {
if (other->group) {
peer_unlock(other);
listnode_delete(group->peer, other);
}
other->group = NULL;
peer_delete(other);
}
return 0;
}
bgp_bfd_deregister_peer(peer);
peer_global_config_reset(peer);
if (BGP_IS_VALID_STATE_FOR_NOTIF(peer->status)) {
peer->last_reset = PEER_DOWN_RMAP_UNBIND;
bgp_notify_send(peer, BGP_NOTIFY_CEASE,
BGP_NOTIFY_CEASE_CONFIG_CHANGE);
} else
bgp_session_reset(peer);
return 0;
}
static int bgp_startup_timer_expire(struct thread *thread)
{
struct bgp *bgp;
@ -3825,9 +3647,6 @@ struct peer_flag_action {
/* Action when the flag is changed. */
enum peer_change_type type;
/* Peer down cause */
uint8_t peer_down;
};
static const struct peer_flag_action peer_flag_action_list[] = {
@ -7920,8 +7739,6 @@ static void bgp_if_finish(struct bgp *bgp)
}
}
extern void bgp_snmp_init(void);
static void bgp_viewvrf_autocomplete(vector comps, struct cmd_token *token)
{
struct vrf *vrf = NULL;

9
bgpd/bgpd.h
View File

@ -590,13 +590,7 @@ struct bgp_nexthop {
#define BGP_ADDPATH_TX_ID_FOR_DEFAULT_ORIGINATE 1
/* BGP router distinguisher value. */
#define BGP_RD_SIZE 8
struct bgp_rd {
uint8_t val[BGP_RD_SIZE];
};
/* Route map direction */
#define RMAP_IN 0
#define RMAP_OUT 1
#define RMAP_MAX 2
@ -1590,7 +1584,6 @@ extern int peer_afc_set(struct peer *, afi_t, safi_t, int);
extern int peer_group_bind(struct bgp *, union sockunion *, struct peer *,
struct peer_group *, as_t *);
extern int peer_group_unbind(struct bgp *, struct peer *, struct peer_group *);
extern int peer_flag_set(struct peer *, uint32_t);
extern int peer_flag_unset(struct peer *, uint32_t);

4
bgpd/rfapi/rfapi.c
View File

@ -3197,8 +3197,8 @@ DEFUN (debug_rfapi_register_vn_un_l2o,
memset(optary, 0, sizeof(optary));
optary[opt_next].v.l2addr.logical_net_id =
strtoul(argv[14]->arg, NULL, 10);
if ((rc = rfapiStr2EthAddr(argv[12]->arg,
&optary[opt_next].v.l2addr.macaddr))) {
if (rfapiStr2EthAddr(argv[12]->arg,
&optary[opt_next].v.l2addr.macaddr)) {
vty_out(vty, "Bad mac address \"%s\"\n", argv[12]->arg);
return CMD_WARNING_CONFIG_FAILED;
}

1
bgpd/rfapi/rfapi_rib.c
View File

@ -2099,7 +2099,6 @@ rfapiRibPreload(struct bgp *bgp, struct rfapi_descriptor *rfd,
nhp->vn_options = NULL;
XFREE(MTYPE_RFAPI_NEXTHOP, nhp);
nhp = NULL;
}
}

3
bgpd/rfapi/vnc_export_bgp.c
View File

@ -402,7 +402,6 @@ void vnc_direct_bgp_del_route_ce(struct bgp *bgp, struct route_node *rn,
static void vnc_direct_bgp_vpn_enable_ce(struct bgp *bgp, afi_t afi)
{
struct rfapi_cfg *hc;
struct route_node *rn;
struct bgp_info *ri;
@ -411,7 +410,7 @@ static void vnc_direct_bgp_vpn_enable_ce(struct bgp *bgp, afi_t afi)
if (!bgp)
return;
if (!(hc = bgp->rfapi_cfg))
if (!(bgp->rfapi_cfg))
return;
if (!VNC_EXPORT_BGP_CE_ENABLED(bgp->rfapi_cfg)) {

10
bgpd/rfapi/vnc_import_bgp.c
View File

@ -557,7 +557,6 @@ static void vnc_import_bgp_add_route_mode_resolve_nve(
struct bgp_info *info) /* unicast info */
{
afi_t afi = family2afi(prefix->family);
struct rfapi_cfg *hc = NULL;
struct prefix pfx_unicast_nexthop = {0}; /* happy valgrind */
@ -607,7 +606,7 @@ static void vnc_import_bgp_add_route_mode_resolve_nve(
return;
}
if (!(hc = bgp->rfapi_cfg)) {
if (!(bgp->rfapi_cfg)) {
vnc_zlog_debug_verbose("%s: bgp->rfapi_cfg is NULL, skipping",
__func__);
return;
@ -698,7 +697,7 @@ static void vnc_import_bgp_add_route_mode_plain(struct bgp *bgp,
struct peer *peer = info->peer;
struct attr *attr = info->attr;
struct attr hattr;
struct rfapi_cfg *hc = NULL;
struct rfapi_cfg *hc = bgp->rfapi_cfg;
struct attr *iattr = NULL;
struct rfapi_ip_addr vnaddr;
@ -723,7 +722,7 @@ static void vnc_import_bgp_add_route_mode_plain(struct bgp *bgp,
return;
}
if (!(hc = bgp->rfapi_cfg)) {
if (!hc) {
vnc_zlog_debug_verbose("%s: bgp->rfapi_cfg is NULL, skipping",
__func__);
return;
@ -886,7 +885,6 @@ vnc_import_bgp_add_route_mode_nvegroup(struct bgp *bgp, struct prefix *prefix,
struct peer *peer = info->peer;
struct attr *attr = info->attr;
struct attr hattr;
struct rfapi_cfg *hc = NULL;
struct attr *iattr = NULL;
struct rfapi_ip_addr vnaddr;
@ -911,7 +909,7 @@ vnc_import_bgp_add_route_mode_nvegroup(struct bgp *bgp, struct prefix *prefix,
return;
}
if (!(hc = bgp->rfapi_cfg)) {
if (!(bgp->rfapi_cfg)) {
vnc_zlog_debug_verbose("%s: bgp->rfapi_cfg is NULL, skipping",
__func__);
return;