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bgpd: Move afi indepedent code outside of checks for it

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In bgp_zebra_announce we do work to apply the table map.
This is the same for both v4 and v6 but we have the code
duplicated in both v4 and v6 if statements.  Move outside
to reduce the duplications.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
Donald Sharp 2021-01-07 19:24:13 -05:00
parent 696ad9ef0e
commit 257b7b6efc
1 changed files with 29 additions and 51 deletions
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80
bgpd/bgp_zebra.c
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@ -1305,40 +1305,36 @@ void bgp_zebra_announce(struct bgp_dest *dest, const struct prefix *p,
ATTR_FLAG_BIT(BGP_ATTR_SRTE_COLOR)))
api_nh->srte_color = info->attr->srte_color;
if (bgp_debug_zebra(&api.prefix)) {
if (mpinfo->extra) {
zlog_debug("%s: p=%s, bgp_is_valid_label: %d",
__func__, buf_prefix,
bgp_is_valid_label(
&mpinfo->extra->label[0]));
} else {
zlog_debug("%s: p=%s, extra is NULL, no label",
__func__, buf_prefix);
}
}
if (bgp->table_map[afi][safi].name) {
/* Copy info and attributes, so the route-map
apply doesn't modify the BGP route info. */
local_attr = *mpinfo->attr;
mpinfo_cp->attr = &local_attr;
if (!bgp_table_map_apply(bgp->table_map[afi][safi].map,
p, mpinfo_cp))
continue;
/* metric/tag is only allowed to be
* overridden on 1st nexthop */
if (mpinfo == info) {
metric = mpinfo_cp->attr->med;
tag = mpinfo_cp->attr->tag;
}
}
if (nh_family == AF_INET) {
if (bgp_debug_zebra(&api.prefix)) {
if (mpinfo->extra) {
zlog_debug(
"%s: p=%s, bgp_is_valid_label: %d",
__func__, buf_prefix,
bgp_is_valid_label(
&mpinfo->extra
->label[0]));
} else {
zlog_debug(
"%s: p=%s, extra is NULL, no label",
__func__, buf_prefix);
}
}
if (bgp->table_map[afi][safi].name) {
/* Copy info and attributes, so the route-map
apply doesn't modify the BGP route info. */
local_attr = *mpinfo->attr;
mpinfo_cp->attr = &local_attr;
if (!bgp_table_map_apply(
bgp->table_map[afi][safi].map, p,
mpinfo_cp))
continue;
/* metric/tag is only allowed to be
* overridden on 1st nexthop */
if (mpinfo == info) {
metric = mpinfo_cp->attr->med;
tag = mpinfo_cp->attr->tag;
}
}
nh_updated = update_ipv4nh_for_route_install(
nh_othervrf,
nh_othervrf ?
@ -1349,24 +1345,6 @@ void bgp_zebra_announce(struct bgp_dest *dest, const struct prefix *p,
ifindex_t ifindex = IFINDEX_INTERNAL;
struct in6_addr *nexthop;
if (bgp->table_map[afi][safi].name) {
/* Copy info and attributes, so the route-map
apply doesn't modify the BGP route info. */
local_attr = *mpinfo->attr;
mpinfo_cp->attr = &local_attr;
if (!bgp_table_map_apply(
bgp->table_map[afi][safi].map, p,
mpinfo_cp))
continue;
/* metric/tag is only allowed to be
* overridden on 1st nexthop */
if (mpinfo == info) {
metric = mpinfo_cp->attr->med;
tag = mpinfo_cp->attr->tag;
}
}
nexthop = bgp_path_info_to_ipv6_nexthop(mpinfo_cp,
&ifindex);
nh_updated = update_ipv6nh_for_route_install(