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authorNeale Ranns <nranns@cisco.com>2019-06-03 13:21:40 +0000
committerNeale Ranns <nranns@cisco.com>2019-06-06 12:12:58 +0000
commit922077505b43f9560550653f530cf93acc81044d (patch)
tree99bbd28d90de7b1b4db986a5586c04143a8f0c61 /src/vnet/ip/ip_api.c
parent831f4200cab2b363f2a8ea340331343c14407b7d (diff)
IP-Punt-redirect: allow the use of a FIB path to describe how to
redirect Change-Id: I2a3ba2a3d73ea8511e3a511855b041432328f0a8 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/ip/ip_api.c')
-rw-r--r--src/vnet/ip/ip_api.c91
1 files changed, 47 insertions, 44 deletions
diff --git a/src/vnet/ip/ip_api.c b/src/vnet/ip/ip_api.c
index 06caf111b91..bcbcf5ac8d4 100644
--- a/src/vnet/ip/ip_api.c
+++ b/src/vnet/ip/ip_api.c
@@ -44,6 +44,7 @@
#include <vnet/ip/ip_source_and_port_range_check.h>
#include <vnet/fib/ip4_fib.h>
#include <vnet/fib/ip6_fib.h>
+#include <vnet/fib/fib_path_list.h>
#include <vnet/ip/ip6_hop_by_hop.h>
#include <vnet/ip/ip4_reassembly.h>
#include <vnet/ip/ip6_reassembly.h>
@@ -3358,74 +3359,76 @@ void
REPLY_MACRO (VL_API_IP_REASSEMBLY_ENABLE_DISABLE_REPLY);
}
-void
-send_ip_punt_redirect_details (vl_api_registration_t * reg,
- u32 context, u32 sw_if_index,
- ip_punt_redirect_rx_t * pr, u8 is_ipv6)
+typedef struct ip_punt_redirect_walk_ctx_t_
{
+ vl_api_registration_t *reg;
+ u32 context;
+} ip_punt_redirect_walk_ctx_t;
+
+static walk_rc_t
+send_ip_punt_redirect_details (u32 rx_sw_if_index,
+ const ip_punt_redirect_rx_t * ipr, void *arg)
+{
+ fib_route_path_encode_t *api_rpaths = NULL;
+ ip_punt_redirect_walk_ctx_t *ctx = arg;
vl_api_ip_punt_redirect_details_t *mp;
mp = vl_msg_api_alloc (sizeof (*mp));
if (!mp)
- return;
+ return (WALK_STOP);;
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = ntohs (VL_API_IP_PUNT_REDIRECT_DETAILS);
- mp->context = context;
- mp->punt.rx_sw_if_index = htonl (sw_if_index);
- mp->punt.tx_sw_if_index = htonl (pr->tx_sw_if_index);
- if (is_ipv6)
- {
- ip_address_encode (&pr->nh, IP46_TYPE_IP6, &mp->punt.nh);
- }
- else
- {
- ip_address_encode (&pr->nh, IP46_TYPE_IP4, &mp->punt.nh);
- }
+ mp->context = ctx->context;
- vl_api_send_msg (reg, (u8 *) mp);
+ fib_path_list_walk_w_ext (ipr->pl, NULL, fib_path_encode, &api_rpaths);
+
+ mp->punt.rx_sw_if_index = htonl (rx_sw_if_index);
+ mp->punt.tx_sw_if_index = htonl (api_rpaths[0].rpath.frp_sw_if_index);
+
+ ip_address_encode (&api_rpaths[0].rpath.frp_addr,
+ fib_proto_to_ip46 (ipr->fproto), &mp->punt.nh);
+
+ vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+ vec_free (api_rpaths);
+
+ return (WALK_CONTINUE);
}
static void
vl_api_ip_punt_redirect_dump_t_handler (vl_api_ip_punt_redirect_dump_t * mp)
{
vl_api_registration_t *reg;
- u32 sw_if_index;
- int rv __attribute__ ((unused)) = 0;
+ fib_protocol_t fproto;
- sw_if_index = ntohl (mp->sw_if_index);
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
- if (~0 != sw_if_index)
- VALIDATE_SW_IF_INDEX (mp);
+ fproto = mp->is_ipv6 ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4;
- ip_punt_redirect_detail_t *pr, *prs;
- if (mp->is_ipv6)
+ ip_punt_redirect_walk_ctx_t ctx = {
+ .reg = reg,
+ .context = mp->context,
+ };
+
+ if (~0 != mp->sw_if_index)
{
- prs = ip6_punt_redirect_entries (sw_if_index);
- /* *INDENT-OFF* */
- vec_foreach (pr, prs)
- {
- send_ip_punt_redirect_details (reg, mp->context, pr->rx_sw_if_index, &pr->punt_redirect, 1);
- }
- /* *INDENT-ON* */
- vec_free (prs);
+ u32 rx_sw_if_index;
+ index_t pri;
+
+ rx_sw_if_index = ntohl (mp->sw_if_index);
+ pri = ip_punt_redirect_find (fproto, rx_sw_if_index);
+
+ if (INDEX_INVALID == pri)
+ return;
+
+ send_ip_punt_redirect_details (rx_sw_if_index,
+ ip_punt_redirect_get (pri), &ctx);
}
else
- {
- prs = ip4_punt_redirect_entries (sw_if_index);
- /* *INDENT-OFF* */
- vec_foreach (pr, prs)
- {
- send_ip_punt_redirect_details (reg, mp->context, pr->rx_sw_if_index, &pr->punt_redirect, 0);
- }
- /* *INDENT-ON* */
- vec_free (prs);
- }
-
- BAD_SW_IF_INDEX_LABEL;
+ ip_punt_redirect_walk (fproto, send_ip_punt_redirect_details, &ctx);
}
#define vl_msg_name_crc_list