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zebra: Make v4 and v6 code paths for rib_XXX calls in kernel_socket the same

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Make the v4 and v6 code paths for rib_XXX calls in kernel_socket
as similiar as we can possibly make them.  There is no need
for code duplication at this point in time.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2018-12-12 10:18:13 -05:00
parent c626d369fd
commit 026745a258
1 changed files with 22 additions and 43 deletions
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65
zebra/kernel_socket.c
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@ -918,6 +918,9 @@ void rtm_read(struct rt_msghdr *rtm)
char ifname[INTERFACE_NAMSIZ + 1];
short ifnlen = 0;
struct nexthop nh;
struct prefix p;
ifindex_t ifindex = 0;
afi_t afi;
zebra_flags = 0;
@ -974,8 +977,7 @@ void rtm_read(struct rt_msghdr *rtm)
return;
if (dest.sa.sa_family == AF_INET) {
struct prefix p;
afi = AFI_IP;
p.family = AF_INET;
p.u.prefix4 = dest.sin.sin_addr;
if (flags & RTF_HOST)
@ -983,33 +985,12 @@ void rtm_read(struct rt_msghdr *rtm)
else
p.prefixlen = ip_masklen(mask.sin.sin_addr);
/* Change, delete the old prefix, we have no further information
* to specify the route really
*/
if (rtm->rtm_type == RTM_CHANGE)
rib_delete(AFI_IP, SAFI_UNICAST, VRF_DEFAULT,
ZEBRA_ROUTE_KERNEL, 0, zebra_flags, &p, NULL,
NULL, 0, 0, 0, true);
if (!nh.type) {
nh.type = NEXTHOP_TYPE_IPV4;
nh.gate.ipv4 = gate.sin.sin_addr;
}
if (rtm->rtm_type == RTM_GET || rtm->rtm_type == RTM_ADD
|| rtm->rtm_type == RTM_CHANGE)
rib_add(AFI_IP, SAFI_UNICAST, VRF_DEFAULT,
ZEBRA_ROUTE_KERNEL, 0, zebra_flags, &p, NULL,
&nh, 0, 0, 0, 0, 0);
else
rib_delete(AFI_IP, SAFI_UNICAST, VRF_DEFAULT,
ZEBRA_ROUTE_KERNEL, 0, zebra_flags, &p, NULL,
&nh, 0, 0, 0, true);
}
if (dest.sa.sa_family == AF_INET6) {
struct prefix p;
ifindex_t ifindex = 0;
} else if (dest.sa.sa_family == AF_INET6) {
afi = AFI_IP6;
p.family = AF_INET6;
p.u.prefix6 = dest.sin6.sin6_addr;
if (flags & RTF_HOST)
@ -1024,31 +1005,29 @@ void rtm_read(struct rt_msghdr *rtm)
}
#endif /* KAME */
/* CHANGE: delete the old prefix, we have no further information
* to specify the route really
*/
if (rtm->rtm_type == RTM_CHANGE)
rib_delete(AFI_IP6, SAFI_UNICAST, VRF_DEFAULT,
ZEBRA_ROUTE_KERNEL, 0, zebra_flags, &p, NULL,
NULL, 0, 0, 0, true);
if (!nh.type) {
nh.type = ifindex ? NEXTHOP_TYPE_IPV6_IFINDEX
: NEXTHOP_TYPE_IPV6;
nh.gate.ipv6 = gate.sin6.sin6_addr;
nh.ifindex = ifindex;
}
} else
return;
if (rtm->rtm_type == RTM_GET || rtm->rtm_type == RTM_ADD
|| rtm->rtm_type == RTM_CHANGE)
rib_add(AFI_IP6, SAFI_UNICAST, VRF_DEFAULT,
ZEBRA_ROUTE_KERNEL, 0, zebra_flags, &p, NULL,
&nh, 0, 0, 0, 0, 0);
else
rib_delete(AFI_IP6, SAFI_UNICAST, VRF_DEFAULT,
ZEBRA_ROUTE_KERNEL, 0, zebra_flags, &p, NULL,
&nh, 0, 0, 0, true);
}
/*
* CHANGE: delete the old prefix, we have no further information
* to specify the route really
*/
if (rtm->rtm_type == RTM_CHANGE)
rib_delete(afi, SAFI_UNICAST, VRF_DEFAULT, ZEBRA_ROUTE_KERNEL,
0, zebra_flags, &p, NULL, NULL, 0, 0, 0, true);
if (rtm->rtm_type == RTM_GET || rtm->rtm_type == RTM_ADD
|| rtm->rtm_type == RTM_CHANGE)
rib_add(afi, SAFI_UNICAST, VRF_DEFAULT, ZEBRA_ROUTE_KERNEL, 0,
zebra_flags, &p, NULL, &nh, 0, 0, 0, 0, 0);
else
rib_delete(afi, SAFI_UNICAST, VRF_DEFAULT, ZEBRA_ROUTE_KERNEL,
0, zebra_flags, &p, NULL, &nh, 0, 0, 0, true);
}
/* Interface function for the kernel routing table updates. Support