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zebra: ipv6 operations stick to namespace

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All ipv6 operations stick to namespace.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert 2017-12-19 12:23:32 +01:00
parent 9a76375f39
commit 5895d33f40
4 changed files with 42 additions and 20 deletions
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9
zebra/interface.c
View File

@ -805,21 +805,26 @@ void if_nbr_ipv6ll_to_ipv4ll_neigh_update(struct interface *ifp,
char buf[16] = "169.254.0.1";
struct in_addr ipv4_ll;
char mac[6];
ns_id_t ns_id;
inet_pton(AF_INET, buf, &ipv4_ll);
ipv6_ll_address_to_mac(address, (u_char *)mac);
if (!vrf_is_backend_netns())
ns_id = NS_DEFAULT;
else
ns_id = (ns_id_t)(ifp->vrf_id);
/*
* Remove existed arp record for the interface as netlink
* protocol does not have update message types
*
* supported message types are RTM_NEWNEIGH and RTM_DELNEIGH
*/
kernel_neigh_update (0, ifp->ifindex, ipv4_ll.s_addr, mac, 6);
kernel_neigh_update(0, ifp->ifindex, ipv4_ll.s_addr, mac, 6, ns_id);
/* Add arp record */
kernel_neigh_update (add, ifp->ifindex, ipv4_ll.s_addr, mac, 6);
kernel_neigh_update(add, ifp->ifindex, ipv4_ll.s_addr, mac, 6, ns_id);
zvrf->neigh_updates++;
}

3
zebra/rt.h
View File

@ -78,7 +78,8 @@ extern int kernel_address_add_ipv4(struct interface *, struct connected *);
extern int kernel_address_delete_ipv4(struct interface *, struct connected *);
extern int kernel_address_add_ipv6 (struct interface *, struct connected *);
extern int kernel_address_delete_ipv6 (struct interface *, struct connected *);
extern int kernel_neigh_update(int, int, uint32_t, char *, int);
extern int kernel_neigh_update(int cmd, int ifindex, uint32_t addr,
char *lla, int llalen, ns_id_t ns_id);
extern int kernel_interface_set_master(struct interface *master,
struct interface *slave);

48
zebra/rt_netlink.c
View File

@ -1282,7 +1282,7 @@ static void _netlink_mpls_debug(int cmd, u_int32_t label, const char *routedesc)
}
static int netlink_neigh_update(int cmd, int ifindex, uint32_t addr, char *lla,
int llalen)
int llalen, ns_id_t ns_id)
{
struct {
struct nlmsghdr n;
@ -1290,7 +1290,7 @@ static int netlink_neigh_update(int cmd, int ifindex, uint32_t addr, char *lla,
char buf[256];
} req;
struct zebra_ns *zns = zebra_ns_lookup(NS_DEFAULT);
struct zebra_ns *zns = zebra_ns_lookup(ns_id);
memset(&req.n, 0, sizeof(req.n));
memset(&req.ndm, 0, sizeof(req.ndm));
@ -1638,8 +1638,12 @@ int kernel_get_ipmr_sg_stats(struct zebra_vrf *zvrf, void *in)
} req;
mroute = mr;
struct zebra_ns *zns = zebra_ns_lookup(NS_DEFAULT);
struct zebra_ns *zns;
if (!vrf_is_backend_netns())
zns = zebra_ns_lookup(NS_DEFAULT);
else
zns = (struct zebra_ns *)ns_info_lookup(zvrf->vrf->vrf_id);
memset(&req.n, 0, sizeof(req.n));
memset(&req.ndm, 0, sizeof(req.ndm));
@ -1712,10 +1716,10 @@ void kernel_route_rib(struct route_node *rn, struct prefix *p,
}
int kernel_neigh_update(int add, int ifindex, uint32_t addr, char *lla,
int llalen)
int llalen, ns_id_t ns_id)
{
return netlink_neigh_update(add ? RTM_NEWNEIGH : RTM_DELNEIGH, ifindex,
addr, lla, llalen);
addr, lla, llalen, ns_id);
}
/*
@ -1725,7 +1729,7 @@ int kernel_neigh_update(int add, int ifindex, uint32_t addr, char *lla,
static int netlink_vxlan_flood_list_update(struct interface *ifp,
struct in_addr *vtep_ip, int cmd)
{
struct zebra_ns *zns = zebra_ns_lookup(NS_DEFAULT);
struct zebra_ns *zns;
struct {
struct nlmsghdr n;
struct ndmsg ndm;
@ -1733,6 +1737,10 @@ static int netlink_vxlan_flood_list_update(struct interface *ifp,
} req;
u_char dst_mac[6] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
if (!vrf_is_backend_netns())
zns = zebra_ns_lookup(NS_DEFAULT);
else
zns = (struct zebra_ns *)ns_info_lookup(ifp->vrf_id);
memset(&req.n, 0, sizeof(req.n));
memset(&req.ndm, 0, sizeof(req.ndm));
@ -1788,7 +1796,7 @@ int kernel_del_vtep(vni_t vni, struct interface *ifp, struct in_addr *vtep_ip)
#endif
static int netlink_macfdb_change(struct sockaddr_nl *snl, struct nlmsghdr *h,
int len)
int len, ns_id_t ns_id)
{
struct ndmsg *ndm;
struct interface *ifp;
@ -1811,7 +1819,7 @@ static int netlink_macfdb_change(struct sockaddr_nl *snl, struct nlmsghdr *h,
return 0;
/* The interface should exist. */
ifp = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT),
ifp = if_lookup_by_index_per_ns(zebra_ns_lookup(ns_id),
ndm->ndm_ifindex);
if (!ifp || !ifp->info)
return 0;
@ -1942,7 +1950,7 @@ static int netlink_macfdb_table(struct sockaddr_nl *snl, struct nlmsghdr *h,
if (ndm->ndm_family != AF_BRIDGE)
return 0;
return netlink_macfdb_change(snl, h, len);
return netlink_macfdb_change(snl, h, len, ns_id);
}
/* Request for MAC FDB information from the kernel */
@ -2024,7 +2032,7 @@ static int netlink_macfdb_update(struct interface *ifp, vlanid_t vid,
struct ethaddr *mac, struct in_addr vtep_ip,
int local, int cmd, u_char sticky)
{
struct zebra_ns *zns = zebra_ns_lookup(NS_DEFAULT);
struct zebra_ns *zns;
struct {
struct nlmsghdr n;
struct ndmsg ndm;
@ -2039,6 +2047,10 @@ static int netlink_macfdb_update(struct interface *ifp, vlanid_t vid,
char vid_buf[20];
char dst_buf[30];
if (!vrf_is_backend_netns())
zns = zebra_ns_lookup(NS_DEFAULT);
else
zns = (struct zebra_ns *)ns_info_lookup(ifp->vrf_id);
zif = ifp->info;
if ((br_if = zif->brslave_info.br_if) == NULL) {
zlog_warn("MAC %s on IF %s(%u) - no mapping to bridge",
@ -2098,7 +2110,7 @@ static int netlink_macfdb_update(struct interface *ifp, vlanid_t vid,
| NUD_DELAY)
static int netlink_ipneigh_change(struct sockaddr_nl *snl, struct nlmsghdr *h,
int len)
int len, ns_id_t ns_id)
{
struct ndmsg *ndm;
struct interface *ifp;
@ -2119,7 +2131,7 @@ static int netlink_ipneigh_change(struct sockaddr_nl *snl, struct nlmsghdr *h,
return 0;
/* The interface should exist. */
ifp = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT),
ifp = if_lookup_by_index_per_ns(zebra_ns_lookup(ns_id),
ndm->ndm_ifindex);
if (!ifp || !ifp->info)
return 0;
@ -2141,7 +2153,7 @@ static int netlink_ipneigh_change(struct sockaddr_nl *snl, struct nlmsghdr *h,
* itself
*/
if (IS_ZEBRA_IF_VLAN(ifp)) {
link_if = if_lookup_by_index_per_ns(zebra_ns_lookup(NS_DEFAULT),
link_if = if_lookup_by_index_per_ns(zebra_ns_lookup(ns_id),
zif->link_ifindex);
if (!link_if)
return 0;
@ -2319,13 +2331,13 @@ int netlink_neigh_change(struct sockaddr_nl *snl, struct nlmsghdr *h,
/* Is this a notification for the MAC FDB or IP neighbor table? */
ndm = NLMSG_DATA(h);
if (ndm->ndm_family == AF_BRIDGE)
return netlink_macfdb_change(snl, h, len);
return netlink_macfdb_change(snl, h, len, ns_id);
if (ndm->ndm_type != RTN_UNICAST)
return 0;
if (ndm->ndm_family == AF_INET || ndm->ndm_family == AF_INET6)
return netlink_ipneigh_change(snl, h, len);
return netlink_ipneigh_change(snl, h, len, ns_id);
return 0;
}
@ -2340,10 +2352,14 @@ static int netlink_neigh_update2(struct interface *ifp, struct ipaddr *ip,
} req;
int ipa_len;
struct zebra_ns *zns = zebra_ns_lookup(NS_DEFAULT);
struct zebra_ns *zns;
char buf[INET6_ADDRSTRLEN];
char buf2[ETHER_ADDR_STRLEN];
if (!vrf_is_backend_netns())
zns = zebra_ns_lookup(NS_DEFAULT);
else
zns = (struct zebra_ns *)ns_info_lookup(ifp->vrf_id);
memset(&req.n, 0, sizeof(req.n));
memset(&req.ndm, 0, sizeof(req.ndm));

2
zebra/rt_socket.c
View File

@ -424,7 +424,7 @@ void kernel_route_rib(struct route_node *rn, struct prefix *p,
}
int kernel_neigh_update(int add, int ifindex, uint32_t addr, char *lla,
int llalen)
int llalen, ns_id_t ns_id)
{
/* TODO */
return 0;