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authorNeale Ranns <nranns@cisco.com>2019-04-16 07:15:35 +0000
committerDamjan Marion <dmarion@me.com>2019-04-18 07:52:27 +0000
commit5a8844bdbf4b055812cce2d7755a175b2cc90b75 (patch)
tree89a401d65c1d8fd3dd0d29b13ac087fa3e5a48cb /src/vnet/gre/gre_api.c
parent06a6a30f911383523931cd05c515f08aead7fbd0 (diff)
GRE: API update
Change-Id: I5010cd34123c6498230dedac6ba8dd774a1085f9 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/gre/gre_api.c')
-rw-r--r--src/vnet/gre/gre_api.c133
1 files changed, 84 insertions, 49 deletions
diff --git a/src/vnet/gre/gre_api.c b/src/vnet/gre/gre_api.c
index 0de6a9ff464..0d6c33bfda6 100644
--- a/src/vnet/gre/gre_api.c
+++ b/src/vnet/gre/gre_api.c
@@ -25,6 +25,7 @@
#include <vnet/gre/gre.h>
#include <vnet/fib/fib_table.h>
+#include <vnet/ip/ip_types_api.h>
#include <vnet/vnet_msg_enum.h>
@@ -45,50 +46,93 @@
#include <vlibapi/api_helper_macros.h>
#define foreach_vpe_api_msg \
-_(GRE_ADD_DEL_TUNNEL, gre_add_del_tunnel) \
+_(GRE_TUNNEL_ADD_DEL, gre_tunnel_add_del) \
_(GRE_TUNNEL_DUMP, gre_tunnel_dump)
-static void vl_api_gre_add_del_tunnel_t_handler
- (vl_api_gre_add_del_tunnel_t * mp)
+static int
+gre_tunnel_type_decode (vl_api_gre_tunnel_type_t in, gre_tunnel_type_t * out)
{
- vl_api_gre_add_del_tunnel_reply_t *rmp;
- int rv = 0;
- vnet_gre_add_del_tunnel_args_t _a, *a = &_a;
- u32 sw_if_index = ~0;
+ in = clib_net_to_host_u32 (in);
- /* Check src & dst are different */
- if ((mp->is_ipv6 && memcmp (mp->src_address, mp->dst_address, 16) == 0) ||
- (!mp->is_ipv6 && memcmp (mp->src_address, mp->dst_address, 4) == 0))
+ switch (in)
{
- rv = VNET_API_ERROR_SAME_SRC_DST;
- goto out;
+ case GRE_API_TUNNEL_TYPE_L3:
+ *out = GRE_TUNNEL_TYPE_L3;
+ return (0);
+ case GRE_API_TUNNEL_TYPE_TEB:
+ *out = GRE_TUNNEL_TYPE_TEB;
+ return (0);
+ case GRE_API_TUNNEL_TYPE_ERSPAN:
+ *out = GRE_TUNNEL_TYPE_ERSPAN;
+ return (0);
}
- clib_memset (a, 0, sizeof (*a));
- a->is_add = mp->is_add;
- a->tunnel_type = mp->tunnel_type;
- a->is_ipv6 = mp->is_ipv6;
- a->instance = ntohl (mp->instance);
- a->session_id = ntohs (mp->session_id);
+ return (VNET_API_ERROR_INVALID_VALUE);
+}
+
+static vl_api_gre_tunnel_type_t
+gre_tunnel_type_encode (gre_tunnel_type_t in)
+{
+ vl_api_gre_tunnel_type_t out = GRE_API_TUNNEL_TYPE_L3;
- /* ip addresses sent in network byte order */
- if (!mp->is_ipv6)
+ switch (in)
{
- clib_memcpy (&(a->src.ip4), mp->src_address, 4);
- clib_memcpy (&(a->dst.ip4), mp->dst_address, 4);
+ case GRE_TUNNEL_TYPE_L3:
+ out = GRE_API_TUNNEL_TYPE_L3;
+ break;
+ case GRE_TUNNEL_TYPE_TEB:
+ out = GRE_API_TUNNEL_TYPE_TEB;
+ break;
+ case GRE_TUNNEL_TYPE_ERSPAN:
+ out = GRE_API_TUNNEL_TYPE_ERSPAN;
+ break;
}
- else
+
+ out = clib_net_to_host_u32 (out);
+
+ return (out);
+}
+
+static void vl_api_gre_tunnel_add_del_t_handler
+ (vl_api_gre_tunnel_add_del_t * mp)
+{
+ vnet_gre_tunnel_add_del_args_t _a = { }, *a = &_a;
+ vl_api_gre_tunnel_add_del_reply_t *rmp;
+ u32 sw_if_index = ~0;
+ ip46_type_t itype[2];
+ int rv = 0;
+
+ itype[0] = ip_address_decode (&mp->tunnel.src, &a->src);
+ itype[1] = ip_address_decode (&mp->tunnel.dst, &a->dst);
+
+ if (itype[0] != itype[1])
{
- clib_memcpy (&(a->src.ip6), mp->src_address, 16);
- clib_memcpy (&(a->dst.ip6), mp->dst_address, 16);
+ rv = VNET_API_ERROR_INVALID_PROTOCOL;
+ goto out;
}
- a->outer_fib_id = ntohl (mp->outer_fib_id);
- rv = vnet_gre_add_del_tunnel (a, &sw_if_index);
+ if (ip46_address_is_equal (&a->src, &a->dst))
+ {
+ rv = VNET_API_ERROR_SAME_SRC_DST;
+ goto out;
+ }
+
+ rv = gre_tunnel_type_decode (mp->tunnel.type, &a->type);
+
+ if (rv)
+ goto out;
+
+ a->is_add = mp->is_add;
+ a->is_ipv6 = (itype[0] == IP46_TYPE_IP6);
+ a->instance = ntohl (mp->tunnel.instance);
+ a->session_id = ntohs (mp->tunnel.session_id);
+ a->outer_fib_id = ntohl (mp->tunnel.outer_fib_id);
+
+ rv = vnet_gre_tunnel_add_del (a, &sw_if_index);
out:
/* *INDENT-OFF* */
- REPLY_MACRO2(VL_API_GRE_ADD_DEL_TUNNEL_REPLY,
+ REPLY_MACRO2(VL_API_GRE_TUNNEL_ADD_DEL_REPLY,
({
rmp->sw_if_index = ntohl (sw_if_index);
}));
@@ -99,32 +143,23 @@ static void send_gre_tunnel_details
(gre_tunnel_t * t, vl_api_registration_t * reg, u32 context)
{
vl_api_gre_tunnel_details_t *rmp;
- u8 is_ipv6 = t->tunnel_dst.fp_proto == FIB_PROTOCOL_IP6 ? 1 : 0;
- fib_table_t *ft;
rmp = vl_msg_api_alloc (sizeof (*rmp));
clib_memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = htons (VL_API_GRE_TUNNEL_DETAILS);
- if (!is_ipv6)
- {
- clib_memcpy (rmp->src_address, &(t->tunnel_src.ip4.as_u8), 4);
- clib_memcpy (rmp->dst_address, &(t->tunnel_dst.fp_addr.ip4.as_u8), 4);
- ft = fib_table_get (t->outer_fib_index, FIB_PROTOCOL_IP4);
- rmp->outer_fib_id = htonl (ft->ft_table_id);
- }
- else
- {
- clib_memcpy (rmp->src_address, &(t->tunnel_src.ip6.as_u8), 16);
- clib_memcpy (rmp->dst_address, &(t->tunnel_dst.fp_addr.ip6.as_u8), 16);
- ft = fib_table_get (t->outer_fib_index, FIB_PROTOCOL_IP6);
- rmp->outer_fib_id = htonl (ft->ft_table_id);
- }
- rmp->tunnel_type = t->type;
- rmp->instance = htonl (t->user_instance);
- rmp->sw_if_index = htonl (t->sw_if_index);
- rmp->session_id = htons (t->session_id);
+
+ ip_address_encode (&t->tunnel_src, IP46_TYPE_ANY, &rmp->tunnel.src);
+ ip_address_encode (&t->tunnel_dst.fp_addr, IP46_TYPE_ANY, &rmp->tunnel.dst);
+
+ rmp->tunnel.outer_fib_id =
+ htonl (fib_table_get_table_id
+ (t->outer_fib_index, t->tunnel_dst.fp_proto));
+
+ rmp->tunnel.type = gre_tunnel_type_encode (t->type);
+ rmp->tunnel.instance = htonl (t->user_instance);
+ rmp->tunnel.sw_if_index = htonl (t->sw_if_index);
+ rmp->tunnel.session_id = htons (t->session_id);
rmp->context = context;
- rmp->is_ipv6 = is_ipv6;
vl_api_send_msg (reg, (u8 *) rmp);
}