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authorNathan Skrzypczak <nathan.skrzypczak@gmail.com>2021-08-10 15:05:29 +0200
committerNeale Ranns <neale@graphiant.com>2021-08-13 18:29:23 +0000
commit2a1783fd6ae7e17c994010fca414c180eb48bc40 (patch)
treec7f12d0894ccd57a3098da77414338cb394c5efc /src/vnet/ip/ip_api.c
parent8034a36a9cedc95f6762bf0a07f6617d0bf69bfe (diff)
ip: punt redirect add nh in api
Type: feature Change-Id: Ia970f444ba2f38b7a42ea94942c906f1b541511b Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
Diffstat (limited to 'src/vnet/ip/ip_api.c')
-rw-r--r--src/vnet/ip/ip_api.c214
1 files changed, 169 insertions, 45 deletions
diff --git a/src/vnet/ip/ip_api.c b/src/vnet/ip/ip_api.c
index 6f06e382024..f9f9ac783d9 100644
--- a/src/vnet/ip/ip_api.c
+++ b/src/vnet/ip/ip_api.c
@@ -443,48 +443,98 @@ vl_api_ip_punt_police_t_handler (vl_api_ip_punt_police_t * mp,
}
static void
-vl_api_ip_punt_redirect_t_handler (vl_api_ip_punt_redirect_t * mp,
- vlib_main_t * vm)
+ip_punt_redirect_t_handler_common (u8 is_add, u32 rx_sw_if_index,
+ ip_address_family_t af,
+ const fib_route_path_t *rpaths)
+{
+ if (is_add)
+ {
+ if (af == AF_IP6)
+ ip6_punt_redirect_add_paths (rx_sw_if_index, rpaths);
+ else if (af == AF_IP4)
+ ip4_punt_redirect_add_paths (rx_sw_if_index, rpaths);
+ }
+ else
+ {
+ if (af == AF_IP6)
+ ip6_punt_redirect_del (rx_sw_if_index);
+ else if (af == AF_IP4)
+ ip4_punt_redirect_del (rx_sw_if_index);
+ }
+}
+
+static void
+vl_api_ip_punt_redirect_t_handler (vl_api_ip_punt_redirect_t *mp,
+ vlib_main_t *vm)
{
vl_api_ip_punt_redirect_reply_t *rmp;
- int rv = 0;
+ fib_route_path_t *rpaths = NULL, rpath = {
+ .frp_weight = 1,
+ .frp_fib_index = ~0,
+ };
+ ip_address_family_t af;
ip46_type_t ipv;
- ip46_address_t nh;
+ u32 rx_sw_if_index;
+ int rv = 0;
if (!vnet_sw_if_index_is_api_valid (ntohl (mp->punt.tx_sw_if_index)))
goto bad_sw_if_index;
- ipv = ip_address_decode (&mp->punt.nh, &nh);
- if (mp->is_add)
- {
- if (ipv == IP46_TYPE_IP6)
- {
- ip6_punt_redirect_add (ntohl (mp->punt.rx_sw_if_index),
- ntohl (mp->punt.tx_sw_if_index), &nh);
- }
- else if (ipv == IP46_TYPE_IP4)
- {
- ip4_punt_redirect_add (ntohl (mp->punt.rx_sw_if_index),
- ntohl (mp->punt.tx_sw_if_index), &nh);
- }
- }
- else
- {
- if (ipv == IP46_TYPE_IP6)
- {
- ip6_punt_redirect_del (ntohl (mp->punt.rx_sw_if_index));
- }
- else if (ipv == IP46_TYPE_IP4)
- {
- ip4_punt_redirect_del (ntohl (mp->punt.rx_sw_if_index));
- }
- }
+ ipv = ip_address_decode (&mp->punt.nh, &rpath.frp_addr);
+ af = (ipv == IP46_TYPE_IP6) ? AF_IP6 : AF_IP4;
+ rpath.frp_proto = (ipv == IP46_TYPE_IP6) ? DPO_PROTO_IP6 : DPO_PROTO_IP4;
+ rpath.frp_sw_if_index = ntohl (mp->punt.tx_sw_if_index);
+ rx_sw_if_index = ntohl (mp->punt.rx_sw_if_index);
+
+ vec_add1 (rpaths, rpath);
+ ip_punt_redirect_t_handler_common (mp->is_add, rx_sw_if_index, af, rpaths);
+ vec_free (rpaths);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_IP_PUNT_REDIRECT_REPLY);
}
+static void
+vl_api_add_del_ip_punt_redirect_v2_t_handler (
+ vl_api_add_del_ip_punt_redirect_v2_t *mp, vlib_main_t *vm)
+{
+ vl_api_add_del_ip_punt_redirect_v2_reply_t *rmp;
+ fib_route_path_t *rpaths = NULL, *rpath;
+ vl_api_fib_path_t *apath;
+ ip_address_family_t af;
+ u32 rx_sw_if_index, n_paths;
+ int rv = 0, ii;
+
+ rx_sw_if_index = ntohl (mp->punt.rx_sw_if_index);
+ n_paths = ntohl (mp->punt.n_paths);
+
+ rv = ip_address_family_decode (mp->punt.af, &af);
+ if (rv != 0)
+ goto out;
+
+ if (0 != n_paths)
+ vec_validate (rpaths, n_paths - 1);
+
+ for (ii = 0; ii < n_paths; ii++)
+ {
+ apath = &mp->punt.paths[ii];
+ rpath = &rpaths[ii];
+
+ rv = fib_api_path_decode (apath, rpath);
+
+ if (rv != 0)
+ goto out;
+ }
+
+ ip_punt_redirect_t_handler_common (mp->is_add, rx_sw_if_index, af, rpaths);
+
+out:
+ vec_free (rpaths);
+
+ REPLY_MACRO (VL_API_ADD_DEL_IP_PUNT_REDIRECT_V2_REPLY);
+}
+
static clib_error_t *
call_elf_section_ip_table_callbacks (vnet_main_t * vnm, u32 table_id,
u32 flags,
@@ -1814,40 +1864,114 @@ send_ip_punt_redirect_details (u32 rx_sw_if_index,
return (WALK_CONTINUE);
}
+static walk_rc_t
+send_ip_punt_redirect_v2_details (u32 rx_sw_if_index,
+ const ip_punt_redirect_rx_t *ipr, void *arg)
+{
+ vl_api_ip_punt_redirect_v2_details_t *mp;
+ fib_path_encode_ctx_t path_ctx = {
+ .rpaths = NULL,
+ };
+ fib_route_path_t *rpath;
+ ip_walk_ctx_t *ctx = arg;
+ vl_api_fib_path_t *fp;
+ int n_paths;
+
+ fib_path_list_walk_w_ext (ipr->pl, NULL, fib_path_encode, &path_ctx);
+
+ n_paths = vec_len (path_ctx.rpaths);
+ mp = vl_msg_api_alloc (sizeof (*mp) + n_paths * sizeof (*fp));
+ if (!mp)
+ return (WALK_STOP);
+
+ clib_memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id =
+ ntohs (REPLY_MSG_ID_BASE + VL_API_IP_PUNT_REDIRECT_V2_DETAILS);
+ mp->context = ctx->context;
+ mp->punt.rx_sw_if_index = htonl (rx_sw_if_index);
+ mp->punt.n_paths = htonl (n_paths);
+ fp = mp->punt.paths;
+ vec_foreach (rpath, path_ctx.rpaths)
+ {
+ fib_api_path_encode (rpath, fp);
+ fp++;
+ }
+ mp->punt.af = (ipr->fproto == FIB_PROTOCOL_IP6) ? ADDRESS_IP6 : ADDRESS_IP4;
+
+ vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+ vec_free (path_ctx.rpaths);
+
+ return (WALK_CONTINUE);
+}
+
+static void
+vl_api_ip_punt_redirect_dump_common (ip_walk_ctx_t *ctx, fib_protocol_t fproto,
+ u32 rx_sw_if_index,
+ ip_punt_redirect_walk_cb_t cb)
+{
+
+ if ((u32) ~0 != rx_sw_if_index)
+ {
+ index_t pri;
+ pri = ip_punt_redirect_find (fproto, rx_sw_if_index);
+
+ if (INDEX_INVALID == pri)
+ return;
+
+ cb (rx_sw_if_index, ip_punt_redirect_get (pri), ctx);
+ }
+ else
+ ip_punt_redirect_walk (fproto, cb, ctx);
+}
+
static void
vl_api_ip_punt_redirect_dump_t_handler (vl_api_ip_punt_redirect_dump_t * mp)
{
vl_api_registration_t *reg;
- fib_protocol_t fproto = FIB_PROTOCOL_IP4;
+ fib_protocol_t fproto;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
- if (mp->is_ipv6 == 1)
- fproto = FIB_PROTOCOL_IP6;
+ fproto = (mp->is_ipv6 == 1) ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4;
ip_walk_ctx_t ctx = {
.reg = reg,
.context = mp->context,
};
- if (~0 != mp->sw_if_index)
- {
- u32 rx_sw_if_index;
- index_t pri;
+ vl_api_ip_punt_redirect_dump_common (&ctx, fproto, ntohl (mp->sw_if_index),
+ send_ip_punt_redirect_details);
+}
- rx_sw_if_index = ntohl (mp->sw_if_index);
- pri = ip_punt_redirect_find (fproto, rx_sw_if_index);
+static void
+vl_api_ip_punt_redirect_v2_dump_t_handler (
+ vl_api_ip_punt_redirect_v2_dump_t *mp)
+{
+ vl_api_registration_t *reg;
+ ip_address_family_t af;
+ fib_protocol_t fproto;
+ int rv = 0;
- if (INDEX_INVALID == pri)
- return;
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
- send_ip_punt_redirect_details (rx_sw_if_index,
- ip_punt_redirect_get (pri), &ctx);
- }
- else
- ip_punt_redirect_walk (fproto, send_ip_punt_redirect_details, &ctx);
+ rv = ip_address_family_decode (mp->af, &af);
+ if (rv != 0)
+ return;
+
+ fproto = (af == AF_IP6) ? FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4;
+
+ ip_walk_ctx_t ctx = {
+ .reg = reg,
+ .context = mp->context,
+ };
+
+ vl_api_ip_punt_redirect_dump_common (&ctx, fproto, ntohl (mp->sw_if_index),
+ send_ip_punt_redirect_v2_details);
}
void