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-rw-r--r--lib/mpls.c11
-rw-r--r--lib/mpls.h39
-rw-r--r--lib/nexthop_group.c51
-rw-r--r--lib/nexthop_group.h2
-rw-r--r--lib/zclient.c3
-rw-r--r--lib/zclient.h1
-rw-r--r--lib/zebra.h8
7 files changed, 95 insertions, 20 deletions
diff --git a/lib/mpls.c b/lib/mpls.c
index ac5792a686..1b21dd29ff 100644
--- a/lib/mpls.c
+++ b/lib/mpls.c
@@ -80,7 +80,7 @@ int mpls_str2label(const char *label_str, uint8_t *num_labels,
* Label to string conversion, labels in string separated by '/'.
*/
char *mpls_label2str(uint8_t num_labels, const mpls_label_t *labels, char *buf,
- int len, int pretty)
+ int len, enum lsp_types_t type, int pretty)
{
char label_buf[BUFSIZ];
int i;
@@ -90,9 +90,14 @@ char *mpls_label2str(uint8_t num_labels, const mpls_label_t *labels, char *buf,
if (i != 0)
strlcat(buf, "/", len);
if (pretty)
- label2str(labels[i], label_buf, sizeof(label_buf));
+ label2str(labels[i], type, label_buf,
+ sizeof(label_buf));
else
- snprintf(label_buf, sizeof(label_buf), "%u", labels[i]);
+ snprintf(label_buf, sizeof(label_buf), "%u",
+ ((type == ZEBRA_LSP_EVPN)
+ ? label2vni(&labels[i])
+ : labels[i]));
+
strlcat(buf, label_buf, len);
}
diff --git a/lib/mpls.h b/lib/mpls.h
index 74bd7aae3e..069e560f80 100644
--- a/lib/mpls.h
+++ b/lib/mpls.h
@@ -23,6 +23,7 @@
#define _QUAGGA_MPLS_H
#include <zebra.h>
+#include <vxlan.h>
#include <arpa/inet.h>
#ifdef __cplusplus
@@ -129,10 +130,36 @@ enum lsp_types_t {
ZEBRA_LSP_ISIS_SR = 5,/* IS-IS Segment Routing LSP. */
ZEBRA_LSP_SHARP = 6, /* Identifier for test protocol */
ZEBRA_LSP_SRTE = 7, /* SR-TE LSP */
+ ZEBRA_LSP_EVPN = 8, /* EVPN VNI Label */
};
/* Functions for basic label operations. */
+static inline void vni2label(vni_t vni, mpls_label_t *label)
+{
+ uint8_t *tag = (uint8_t *)label;
+
+ assert(tag);
+
+ tag[0] = (vni >> 16) & 0xFF;
+ tag[1] = (vni >> 8) & 0xFF;
+ tag[2] = vni & 0xFF;
+}
+
+static inline vni_t label2vni(const mpls_label_t *label)
+{
+ uint8_t *tag = (uint8_t *)label;
+ vni_t vni;
+
+ assert(tag);
+
+ vni = ((uint32_t)*tag++ << 16);
+ vni |= (uint32_t)*tag++ << 8;
+ vni |= (uint32_t)(*tag & 0xFF);
+
+ return vni;
+}
+
/* Encode a label stack entry from fields; convert to network byte-order as
* the Netlink interface expects MPLS labels to be in this format.
*/
@@ -168,8 +195,14 @@ static inline void mpls_lse_decode(mpls_lse_t lse, mpls_label_t *label,
#define MPLS_INVALID_LABEL_INDEX 0xFFFFFFFF
/* Printable string for labels (with consideration for reserved values). */
-static inline char *label2str(mpls_label_t label, char *buf, size_t len)
+static inline char *label2str(mpls_label_t label, enum lsp_types_t type,
+ char *buf, size_t len)
{
+ if (type == ZEBRA_LSP_EVPN) {
+ snprintf(buf, len, "%u", label2vni(&label));
+ return (buf);
+ }
+
switch (label) {
case MPLS_LABEL_IPV4_EXPLICIT_NULL:
strlcpy(buf, "IPv4 Explicit Null", len);
@@ -200,7 +233,7 @@ static inline char *label2str(mpls_label_t label, char *buf, size_t len)
snprintf(buf, len, "Reserved (%u)", label);
else
snprintf(buf, len, "%u", label);
- return (buf);
+ return buf;
}
}
@@ -217,7 +250,7 @@ int mpls_str2label(const char *label_str, uint8_t *num_labels,
* Label to string conversion, labels in string separated by '/'.
*/
char *mpls_label2str(uint8_t num_labels, const mpls_label_t *labels, char *buf,
- int len, int pretty);
+ int len, enum lsp_types_t type, int pretty);
#ifdef __cplusplus
}
diff --git a/lib/nexthop_group.c b/lib/nexthop_group.c
index 41fe64606b..fd7eee213c 100644
--- a/lib/nexthop_group.c
+++ b/lib/nexthop_group.c
@@ -41,6 +41,7 @@ struct nexthop_hold {
char *intf;
bool onlink;
char *labels;
+ vni_t vni;
uint32_t weight;
char *backup_str;
};
@@ -131,6 +132,18 @@ nexthop_group_active_nexthop_num_no_recurse(const struct nexthop_group *nhg)
return num;
}
+bool nexthop_group_has_label(const struct nexthop_group *nhg)
+{
+ struct nexthop *nhop;
+
+ for (ALL_NEXTHOPS_PTR(nhg, nhop)) {
+ if (nhop->nh_label)
+ return true;
+ }
+
+ return false;
+}
+
struct nexthop *nexthop_exists(const struct nexthop_group *nhg,
const struct nexthop *nh)
{
@@ -791,12 +804,13 @@ static bool nexthop_group_parse_nexthop(struct nexthop *nhop,
const union sockunion *addr,
const char *intf, bool onlink,
const char *name, const char *labels,
- int *lbl_ret, uint32_t weight,
- const char *backup_str)
+ vni_t vni, int *lbl_ret,
+ uint32_t weight, const char *backup_str)
{
int ret = 0;
struct vrf *vrf;
int num;
+ uint8_t labelnum = 0;
memset(nhop, 0, sizeof(*nhop));
@@ -837,10 +851,9 @@ static bool nexthop_group_parse_nexthop(struct nexthop *nhop,
nhop->type = NEXTHOP_TYPE_IFINDEX;
if (labels) {
- uint8_t num = 0;
mpls_label_t larray[MPLS_MAX_LABELS];
- ret = mpls_str2label(labels, &num, larray);
+ ret = mpls_str2label(labels, &labelnum, larray);
/* Return label parse result */
if (lbl_ret)
@@ -848,9 +861,14 @@ static bool nexthop_group_parse_nexthop(struct nexthop *nhop,
if (ret < 0)
return false;
- else if (num > 0)
- nexthop_add_labels(nhop, ZEBRA_LSP_NONE,
- num, larray);
+ else if (labelnum > 0)
+ nexthop_add_labels(nhop, ZEBRA_LSP_NONE, labelnum,
+ larray);
+ } else if (vni) {
+ mpls_label_t label = MPLS_INVALID_LABEL;
+
+ vni2label(vni, &label);
+ nexthop_add_labels(nhop, ZEBRA_LSP_EVPN, 1, &label);
}
nhop->weight = weight;
@@ -877,7 +895,7 @@ static bool nexthop_group_parse_nhh(struct nexthop *nhop,
{
return (nexthop_group_parse_nexthop(
nhop, nhh->addr, nhh->intf, nhh->onlink, nhh->nhvrf_name,
- nhh->labels, NULL, nhh->weight, nhh->backup_str));
+ nhh->labels, nhh->vni, NULL, nhh->weight, nhh->backup_str));
}
DEFPY(ecmp_nexthops, ecmp_nexthops_cmd,
@@ -889,6 +907,7 @@ DEFPY(ecmp_nexthops, ecmp_nexthops_cmd,
[{ \
nexthop-vrf NAME$vrf_name \
|label WORD \
+ |vni (1-16777215) \
|weight (1-255) \
|backup-idx WORD \
}]",
@@ -903,6 +922,8 @@ DEFPY(ecmp_nexthops, ecmp_nexthops_cmd,
"The nexthop-vrf Name\n"
"Specify label(s) for this nexthop\n"
"One or more labels in the range (16-1048575) separated by '/'\n"
+ "Specify VNI(s) for this nexthop\n"
+ "VNI in the range (1-16777215)\n"
"Weight to be used by the nexthop for purposes of ECMP\n"
"Weight value to be used\n"
"Specify backup nexthop indexes in another group\n"
@@ -927,8 +948,8 @@ DEFPY(ecmp_nexthops, ecmp_nexthops_cmd,
}
legal = nexthop_group_parse_nexthop(&nhop, addr, intf, !!onlink,
- vrf_name, label, &lbl_ret, weight,
- backup_idx);
+ vrf_name, label, vni, &lbl_ret,
+ weight, backup_idx);
if (nhop.type == NEXTHOP_TYPE_IPV6
&& IN6_IS_ADDR_LINKLOCAL(&nhop.gate.ipv6)) {
@@ -1058,9 +1079,8 @@ void nexthop_group_write_nexthop(struct vty *vty, const struct nexthop *nh)
if (nh->nh_label && nh->nh_label->num_labels > 0) {
char buf[200];
- mpls_label2str(nh->nh_label->num_labels,
- nh->nh_label->label,
- buf, sizeof(buf), 0);
+ mpls_label2str(nh->nh_label->num_labels, nh->nh_label->label,
+ buf, sizeof(buf), nh->nh_label_type, 0);
vty_out(vty, " label %s", buf);
}
@@ -1117,7 +1137,7 @@ void nexthop_group_json_nexthop(json_object *j, const struct nexthop *nh)
char buf[200];
mpls_label2str(nh->nh_label->num_labels, nh->nh_label->label,
- buf, sizeof(buf), 0);
+ buf, sizeof(buf), nh->nh_label_type, 0);
json_object_string_add(j, "label", buf);
}
@@ -1155,6 +1175,9 @@ static void nexthop_group_write_nexthop_internal(struct vty *vty,
if (nh->labels)
vty_out(vty, " label %s", nh->labels);
+ if (nh->vni)
+ vty_out(vty, " vni %u", nh->vni);
+
if (nh->weight)
vty_out(vty, " weight %u", nh->weight);
diff --git a/lib/nexthop_group.h b/lib/nexthop_group.h
index 0ea0b7c185..4d560fc438 100644
--- a/lib/nexthop_group.h
+++ b/lib/nexthop_group.h
@@ -170,6 +170,8 @@ nexthop_group_active_nexthop_num(const struct nexthop_group *nhg);
extern uint8_t
nexthop_group_active_nexthop_num_no_recurse(const struct nexthop_group *nhg);
+extern bool nexthop_group_has_label(const struct nexthop_group *nhg);
+
#ifdef __cplusplus
}
#endif
diff --git a/lib/zclient.c b/lib/zclient.c
index d748bef335..42d5c33a1b 100644
--- a/lib/zclient.c
+++ b/lib/zclient.c
@@ -1035,6 +1035,7 @@ int zapi_nexthop_encode(struct stream *s, const struct zapi_nexthop *api_nh,
*/
if (api_nh->label_num > 0) {
stream_putc(s, api_nh->label_num);
+ stream_putc(s, api_nh->label_type);
stream_put(s, &api_nh->labels[0],
api_nh->label_num * sizeof(mpls_label_t));
}
@@ -1397,6 +1398,7 @@ int zapi_nexthop_decode(struct stream *s, struct zapi_nexthop *api_nh,
/* MPLS labels for BGP-LU or Segment Routing */
if (CHECK_FLAG(api_nh->flags, ZAPI_NEXTHOP_FLAG_LABEL)) {
STREAM_GETC(s, api_nh->label_num);
+ STREAM_GETC(s, api_nh->label_type);
if (api_nh->label_num > MPLS_MAX_LABELS) {
flog_err(
EC_LIB_ZAPI_ENCODE,
@@ -1948,6 +1950,7 @@ int zapi_nexthop_from_nexthop(struct zapi_nexthop *znh,
znh->labels[i] = nh->nh_label->label[i];
znh->label_num = i;
+ znh->label_type = nh->nh_label_type;
SET_FLAG(znh->flags, ZAPI_NEXTHOP_FLAG_LABEL);
}
diff --git a/lib/zclient.h b/lib/zclient.h
index 8c4ce1b777..55957e4bee 100644
--- a/lib/zclient.h
+++ b/lib/zclient.h
@@ -427,6 +427,7 @@ struct zapi_nexthop {
/* MPLS labels for BGP-LU or Segment Routing */
uint8_t label_num;
+ enum lsp_types_t label_type;
mpls_label_t labels[MPLS_MAX_LABELS];
struct ethaddr rmac;
diff --git a/lib/zebra.h b/lib/zebra.h
index b2f5e5a848..a87398a237 100644
--- a/lib/zebra.h
+++ b/lib/zebra.h
@@ -338,6 +338,14 @@ struct in_pktinfo {
#define strmatch(a,b) (!strcmp((a), (b)))
+#if BYTE_ORDER == LITTLE_ENDIAN
+#define htonll(x) (((uint64_t)htonl((x)&0xFFFFFFFF) << 32) | htonl((x) >> 32))
+#define ntohll(x) (((uint64_t)ntohl((x)&0xFFFFFFFF) << 32) | ntohl((x) >> 32))
+#else
+#define htonll(x) (x)
+#define ntohll(x) (x)
+#endif
+
#ifndef INADDR_LOOPBACK
#define INADDR_LOOPBACK 0x7f000001 /* Internet address 127.0.0.1. */
#endif