lib: remove the vrf_is_mapped_on_netns() function

Now that all daemons receive the VRF backend from zebra, we can get
rid of vrf_is_mapped_on_netns() in favor of using the more convenient
vrf_is_backend_netns() function, which doesn't require any argument.

This commit also fixes the following problem:
  debian(config)# ip route 50.0.0.0/8 blackhole vrf FAKE table 2
  % table param only available when running on netns-based vrfs

Even when zebra was started with the --vrfwnetns, the error
above would be displayed since the VRF FAKE didn't exist, which
would make vrf_is_mapped_on_netns() return 0 incorrectly. Using
vrf_is_backend_netns() this problem doesn't happen anymore.

Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
This commit is contained in:
Renato Westphal 2019-01-19 17:19:13 -02:00
parent bb6b7f79be
commit 81bd033cbb
4 changed files with 14 additions and 25 deletions

View File

@ -670,8 +670,7 @@ static int bgp_listener(int sock, struct sockaddr *sa, socklen_t salen,
listener->fd = sock;
/* this socket needs a change of ns. record bgp back pointer */
if (bgp->vrf_id != VRF_DEFAULT && vrf_is_mapped_on_netns(
vrf_lookup_by_id(bgp->vrf_id)))
if (bgp->vrf_id != VRF_DEFAULT && vrf_is_backend_netns())
listener->bgp = bgp;
memcpy(&listener->su, sa, salen);

View File

@ -716,13 +716,6 @@ int vrf_netns_handler_create(struct vty *vty, struct vrf *vrf, char *pathname,
return CMD_SUCCESS;
}
int vrf_is_mapped_on_netns(struct vrf *vrf)
{
if (!vrf || vrf->data.l.netns_name[0] == '\0')
return 0;
return 1;
}
/* vrf CLI commands */
DEFUN_NOSH(vrf_exit,
vrf_exit_cmd,
@ -953,7 +946,7 @@ int vrf_bind(vrf_id_t vrf_id, int fd, char *name)
if (fd < 0 || name == NULL)
return fd;
if (vrf_is_mapped_on_netns(vrf_lookup_by_id(vrf_id)))
if (vrf_is_backend_netns())
return fd;
#ifdef SO_BINDTODEVICE
ret = setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, name, strlen(name)+1);

View File

@ -240,9 +240,6 @@ extern void vrf_set_default_name(const char *default_name, bool force);
extern const char *vrf_get_default_name(void);
#define VRF_DEFAULT_NAME vrf_get_default_name()
/* VRF is mapped on netns or not ? */
int vrf_is_mapped_on_netns(struct vrf *vrf);
/* VRF switch from NETNS */
extern int vrf_switch_to_netns(vrf_id_t vrf_id);
extern int vrf_switchback_to_initial(void);

View File

@ -775,7 +775,7 @@ DEFPY(ip_route_blackhole,
"Table to configure\n"
"The table number to configure\n")
{
if (table_str && vrf && !vrf_is_mapped_on_netns(vrf_lookup_by_name(vrf))) {
if (table_str && vrf && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
@ -814,7 +814,7 @@ DEFPY(ip_route_blackhole_vrf,
VTY_DECLVAR_CONTEXT(vrf, vrf);
struct static_vrf *svrf = vrf->info;
if (table_str && !vrf_is_mapped_on_netns(vrf)) {
if (table_str && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
@ -880,7 +880,7 @@ DEFPY(ip_route_address_interface,
return CMD_WARNING_CONFIG_FAILED;
}
if (table_str && vrf && !vrf_is_mapped_on_netns(vrf_lookup_by_name(vrf))) {
if (table_str && vrf && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
@ -938,7 +938,7 @@ DEFPY(ip_route_address_interface_vrf,
struct static_vrf *svrf = vrf->info;
struct static_vrf *nh_svrf;
if (table_str && !vrf_is_mapped_on_netns(vrf)) {
if (table_str && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
@ -999,7 +999,7 @@ DEFPY(ip_route,
struct static_vrf *nh_svrf;
const char *flag = NULL;
if (table_str && vrf && !vrf_is_mapped_on_netns(vrf_lookup_by_name(vrf))) {
if (table_str && vrf && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
@ -1065,7 +1065,7 @@ DEFPY(ip_route_vrf,
struct static_vrf *nh_svrf;
const char *flag = NULL;
if (table_str && !vrf_is_mapped_on_netns(vrf)) {
if (table_str && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
@ -1119,7 +1119,7 @@ DEFPY(ipv6_route_blackhole,
"Table to configure\n"
"The table number to configure\n")
{
if (table_str && vrf && !vrf_is_mapped_on_netns(vrf_lookup_by_name(vrf))) {
if (table_str && vrf && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
@ -1158,7 +1158,7 @@ DEFPY(ipv6_route_blackhole_vrf,
VTY_DECLVAR_CONTEXT(vrf, vrf);
struct static_vrf *svrf = vrf->info;
if (table_str && !vrf_is_mapped_on_netns(vrf)) {
if (table_str && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
@ -1213,7 +1213,7 @@ DEFPY(ipv6_route_address_interface,
struct static_vrf *nh_svrf;
const char *flag = NULL;
if (table_str && vrf && !vrf_is_mapped_on_netns(vrf_lookup_by_name(vrf))) {
if (table_str && vrf && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
@ -1282,7 +1282,7 @@ DEFPY(ipv6_route_address_interface_vrf,
struct static_vrf *nh_svrf;
const char *flag = NULL;
if (table_str && !vrf_is_mapped_on_netns(vrf)) {
if (table_str && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
@ -1343,7 +1343,7 @@ DEFPY(ipv6_route,
struct static_vrf *nh_svrf;
const char *flag = NULL;
if (table_str && vrf && !vrf_is_mapped_on_netns(vrf_lookup_by_name(vrf))) {
if (table_str && vrf && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;
@ -1409,7 +1409,7 @@ DEFPY(ipv6_route_vrf,
struct static_vrf *nh_svrf;
const char *flag = NULL;
if (table_str && !vrf_is_mapped_on_netns(vrf)) {
if (table_str && !vrf_is_backend_netns()) {
vty_out(vty,
"%% table param only available when running on netns-based vrfs\n");
return CMD_WARNING_CONFIG_FAILED;