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authorVengada Govindan <venggovi@cisco.com>2016-08-25 10:34:34 -0700
committerOle Trøan <otroan@employees.org>2016-09-06 18:53:51 +0000
commit07d2f84907e776383572fa5cc89071d90a8be36b (patch)
tree4b2ebf15f84d7e1724b9eca6fe1b329b1a251815 /vnet
parent5a1c11b53f60f4339e893b1a24cfc6515d2b08f7 (diff)
Move iOAM Trace as a plugin
Change-Id: I78322e91485e5429871bd356f668b8ed90f4265a Signed-off-by: Vengada Govindan <venggovi@cisco.com>
Diffstat (limited to 'vnet')
-rw-r--r--vnet/vnet/ip/ip6_hop_by_hop.c1218
-rw-r--r--vnet/vnet/ip/ip6_hop_by_hop.h23
-rw-r--r--vnet/vnet/ip/ip6_hop_by_hop_packet.h128
3 files changed, 547 insertions, 822 deletions
diff --git a/vnet/vnet/ip/ip6_hop_by_hop.c b/vnet/vnet/ip/ip6_hop_by_hop.c
index 70385568..2a037033 100644
--- a/vnet/vnet/ip/ip6_hop_by_hop.c
+++ b/vnet/vnet/ip/ip6_hop_by_hop.c
@@ -25,180 +25,33 @@
#include <vnet/ip/ip6_hop_by_hop.h>
-/* Timestamp precision multipliers for seconds, milliseconds, microseconds
- * and nanoseconds respectively.
- */
-static f64 trace_tsp_mul[4] = {1, 1e3, 1e6, 1e9};
-
-char *ppc_state[] = {"None", "Encap", "Decap"};
+char *ppc_state[] = { "None", "Encap", "Decap" };
ip6_hop_by_hop_ioam_main_t ip6_hop_by_hop_ioam_main;
#define foreach_ip6_hbyh_ioam_input_next \
_(IP6_REWRITE, "ip6-rewrite") \
_(IP6_LOOKUP, "ip6-lookup") \
- _(DROP, "error-drop")
+ _(DROP, "error-drop")
-typedef enum {
+typedef enum
+{
#define _(s,n) IP6_HBYH_IOAM_INPUT_NEXT_##s,
foreach_ip6_hbyh_ioam_input_next
#undef _
- IP6_HBYH_IOAM_INPUT_N_NEXT,
+ IP6_HBYH_IOAM_INPUT_N_NEXT,
} ip6_hbyh_ioam_input_next_t;
-typedef union {
- u64 as_u64;
- u32 as_u32[2];
-} time_u64_t;
-
-static inline u8
-fetch_trace_data_size(u8 trace_type)
-{
- u8 trace_data_size = 0;
-
- if (trace_type == TRACE_TYPE_IF_TS_APP)
- trace_data_size = sizeof(ioam_trace_if_ts_app_t);
- else if(trace_type == TRACE_TYPE_IF)
- trace_data_size = sizeof(ioam_trace_if_t);
- else if(trace_type == TRACE_TYPE_TS)
- trace_data_size = sizeof(ioam_trace_ts_t);
- else if(trace_type == TRACE_TYPE_APP)
- trace_data_size = sizeof(ioam_trace_app_t);
- else if(trace_type == TRACE_TYPE_TS_APP)
- trace_data_size = sizeof(ioam_trace_ts_app_t);
-
- return trace_data_size;
-}
-
-static u8 * format_ioam_data_list_element (u8 * s, va_list * args)
-{
- u32 *elt = va_arg (*args, u32 *);
- u8 *trace_type_p = va_arg (*args, u8 *);
- u8 trace_type = *trace_type_p;
- if (trace_type & BIT_TTL_NODEID)
- {
- u32 ttl_node_id_host_byte_order = clib_net_to_host_u32 (*elt);
- s = format (s, "ttl 0x%x node id 0x%x ",
- ttl_node_id_host_byte_order>>24,
- ttl_node_id_host_byte_order & 0x00FFFFFF);
-
- elt++;
- }
-
- if (trace_type & BIT_ING_INTERFACE && trace_type & BIT_ING_INTERFACE)
- {
- u32 ingress_host_byte_order = clib_net_to_host_u32(*elt);
- s = format (s, "ingress 0x%x egress 0x%x ",
- ingress_host_byte_order >> 16,
- ingress_host_byte_order &0xFFFF);
- elt++;
- }
-
- if (trace_type & BIT_TIMESTAMP)
- {
- u32 ts_in_host_byte_order = clib_net_to_host_u32 (*elt);
- s = format (s, "ts 0x%x \n", ts_in_host_byte_order);
- elt++;
- }
-
- if (trace_type & BIT_APPDATA)
- {
- u32 appdata_in_host_byte_order = clib_net_to_host_u32 (*elt);
- s = format (s, "app 0x%x ", appdata_in_host_byte_order);
- elt++;
- }
-
- return s;
-}
-
-u8 *
-ip6_hbh_ioam_trace_data_list_trace_handler (u8 *s, ip6_hop_by_hop_option_t *opt)
-{
- ioam_trace_option_t *trace;
- u8 trace_data_size_in_words = 0;
- u32 *elt;
- int elt_index = 0;
-
- trace = (ioam_trace_option_t *)opt;
-#if 0
- s = format (s, " Trace Type 0x%x , %d elts left ts msb(s) 0x%x\n", trace->ioam_trace_type, trace->data_list_elts_left,
- t->timestamp_msbs);
-#endif
- s = format (s, " Trace Type 0x%x , %d elts left\n", trace->ioam_trace_type, trace->data_list_elts_left);
- trace_data_size_in_words = fetch_trace_data_size(trace->ioam_trace_type)/4;
- elt = &trace->elts[0];
- while ((u8 *) elt < ((u8 *)(&trace->elts[0]) + trace->hdr.length - 2
- /* -2 accounts for ioam_trace_type,elts_left */)) {
- s = format (s, " [%d] %U\n",elt_index,
- format_ioam_data_list_element,
- elt, &trace->ioam_trace_type);
- elt_index++;
- elt += trace_data_size_in_words;
- }
- return (s);
-}
-
-int
-ip6_hbh_ioam_trace_data_list_handler (vlib_buffer_t *b, ip6_header_t *ip, ip6_hop_by_hop_option_t *opt)
-{
- ip6_main_t * im = &ip6_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- ip6_hop_by_hop_ioam_main_t * hm = &ip6_hop_by_hop_ioam_main;
- u8 elt_index = 0;
- ioam_trace_option_t *trace = (ioam_trace_option_t *)opt;
- u32 adj_index = vnet_buffer (b)->ip.adj_index[VLIB_TX];
- ip_adjacency_t *adj = ip_get_adjacency (lm, adj_index);
- time_u64_t time_u64;
- u32 *elt;
- int rv = 0;
-
- time_u64.as_u64 = 0;
-
- if (PREDICT_TRUE (trace->data_list_elts_left)) {
- trace->data_list_elts_left--;
- /* fetch_trace_data_size returns in bytes. Convert it to 4-bytes
- * to skip to this node's location.
- */
- elt_index = trace->data_list_elts_left * fetch_trace_data_size(trace->ioam_trace_type) / 4;
- elt = &trace->elts[elt_index];
- if (trace->ioam_trace_type & BIT_TTL_NODEID) {
- *elt = clib_host_to_net_u32 ((ip->hop_limit<<24) | hm->node_id);
- elt++;
- }
-
- if (trace->ioam_trace_type & BIT_ING_INTERFACE) {
- *elt = (vnet_buffer(b)->sw_if_index[VLIB_RX]&0xFFFF) << 16 | (adj->rewrite_header.sw_if_index & 0xFFFF);
- *elt = clib_host_to_net_u32(*elt);
- elt++;
- }
-
- if (trace->ioam_trace_type & BIT_TIMESTAMP) {
- /* Send least significant 32 bits */
- f64 time_f64 = (f64)(((f64)hm->unix_time_0) + (vlib_time_now(hm->vlib_main) - hm->vlib_time_0));
-
- time_u64.as_u64 = time_f64 * trace_tsp_mul[hm->trace_tsp];
- *elt = clib_host_to_net_u32(time_u64.as_u32[0]);
- elt++;
- }
-
- if (trace->ioam_trace_type & BIT_APPDATA) {
- /* $$$ set elt0->app_data */
- *elt = clib_host_to_net_u32(hm->app_data);
- elt++;
- }
- }
- return (rv);
-}
-
/* The main h-b-h tracer will be invoked, no need to do much here */
int
ip6_hbh_add_register_option (u8 option,
u8 size,
- int rewrite_options(u8 *rewrite_string, u8 rewrite_size))
+ int rewrite_options (u8 * rewrite_string,
+ u8 * rewrite_size))
{
- ip6_hop_by_hop_ioam_main_t * hm = &ip6_hop_by_hop_ioam_main;
+ ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
ASSERT (option < ARRAY_LEN (hm->add_options));
@@ -208,14 +61,14 @@ ip6_hbh_add_register_option (u8 option,
hm->add_options[option] = rewrite_options;
hm->options_size[option] = size;
-
+
return (0);
}
int
ip6_hbh_add_unregister_option (u8 option)
{
- ip6_hop_by_hop_ioam_main_t * hm = &ip6_hop_by_hop_ioam_main;
+ ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
ASSERT (option < ARRAY_LEN (hm->add_options));
@@ -228,20 +81,21 @@ ip6_hbh_add_unregister_option (u8 option)
return (0);
}
-typedef struct {
+typedef struct
+{
u32 next_index;
} ip6_add_hop_by_hop_trace_t;
/* packet trace format function */
-static u8 * format_ip6_add_hop_by_hop_trace (u8 * s, va_list * args)
+static u8 *
+format_ip6_add_hop_by_hop_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- ip6_add_hop_by_hop_trace_t * t = va_arg (*args,
- ip6_add_hop_by_hop_trace_t *);
-
- s = format (s, "IP6_ADD_HOP_BY_HOP: next index %d",
- t->next_index);
+ ip6_add_hop_by_hop_trace_t *t = va_arg (*args,
+ ip6_add_hop_by_hop_trace_t *);
+
+ s = format (s, "IP6_ADD_HOP_BY_HOP: next index %d", t->next_index);
return s;
}
@@ -250,14 +104,15 @@ vlib_node_registration_t ip6_add_hop_by_hop_node;
#define foreach_ip6_add_hop_by_hop_error \
_(PROCESSED, "Pkts w/ added ip6 hop-by-hop options")
-typedef enum {
+typedef enum
+{
#define _(sym,str) IP6_ADD_HOP_BY_HOP_ERROR_##sym,
foreach_ip6_add_hop_by_hop_error
#undef _
- IP6_ADD_HOP_BY_HOP_N_ERROR,
+ IP6_ADD_HOP_BY_HOP_N_ERROR,
} ip6_add_hop_by_hop_error_t;
-static char * ip6_add_hop_by_hop_error_strings[] = {
+static char *ip6_add_hop_by_hop_error_strings[] = {
#define _(sym,string) string,
foreach_ip6_add_hop_by_hop_error
#undef _
@@ -265,14 +120,13 @@ static char * ip6_add_hop_by_hop_error_strings[] = {
static uword
ip6_add_hop_by_hop_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- ip6_hop_by_hop_ioam_main_t * hm = &ip6_hop_by_hop_ioam_main;
- u32 n_left_from, * from, * to_next;
+ ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
+ u32 n_left_from, *from, *to_next;
ip_lookup_next_t next_index;
u32 processed = 0;
- u8 * rewrite = hm->rewrite;
+ u8 *rewrite = hm->rewrite;
u32 rewrite_length = vec_len (rewrite);
from = vlib_frame_vector_args (frame);
@@ -283,99 +137,102 @@ ip6_add_hop_by_hop_node_fn (vlib_main_t * vm,
{
u32 n_left_to_next;
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- u32 bi0, bi1;
- vlib_buffer_t * b0, *b1;
- u32 next0, next1;
- ip6_header_t * ip0, *ip1;
- ip6_hop_by_hop_header_t * hbh0, *hbh1;
- u64 * copy_src0, * copy_dst0, *copy_src1, *copy_dst1;
- u16 new_l0, new_l1;
-
- /* Prefetch next iteration. */
- {
- vlib_buffer_t * p2, * p3;
-
- p2 = vlib_get_buffer (vm, from[2]);
- p3 = vlib_get_buffer (vm, from[3]);
-
- vlib_prefetch_buffer_header (p2, LOAD);
- vlib_prefetch_buffer_header (p3, LOAD);
-
- CLIB_PREFETCH (p2->data - rewrite_length, 2 * CLIB_CACHE_LINE_BYTES, STORE);
- CLIB_PREFETCH (p3->data - rewrite_length, 2 * CLIB_CACHE_LINE_BYTES, STORE);
- }
-
- /* speculatively enqueue b0 and b1 to the current next frame */
- to_next[0] = bi0 = from[0];
- to_next[1] = bi1 = from[1];
- from += 2;
- to_next += 2;
- n_left_from -= 2;
- n_left_to_next -= 2;
-
- b0 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
-
- /* $$$$$ Dual loop: process 2 x packets here $$$$$ */
- ASSERT (b0->current_data == 0);
- ASSERT (b1->current_data == 0);
-
- ip0 = vlib_buffer_get_current (b0);
- ip1 = vlib_buffer_get_current (b1);
-
- /* Copy the ip header left by the required amount */
- copy_dst0 = (u64 *)(((u8 *)ip0) - rewrite_length);
- copy_dst1 = (u64 *)(((u8 *)ip1) - rewrite_length);
- copy_src0 = (u64 *) ip0;
- copy_src1 = (u64 *) ip1;
-
- copy_dst0 [0] = copy_src0 [0];
- copy_dst0 [1] = copy_src0 [1];
- copy_dst0 [2] = copy_src0 [2];
- copy_dst0 [3] = copy_src0 [3];
- copy_dst0 [4] = copy_src0 [4];
-
- copy_dst1 [0] = copy_src1 [0];
- copy_dst1 [1] = copy_src1 [1];
- copy_dst1 [2] = copy_src1 [2];
- copy_dst1 [3] = copy_src1 [3];
- copy_dst1 [4] = copy_src1 [4];
-
- vlib_buffer_advance (b0, - (word)rewrite_length);
- vlib_buffer_advance (b1, - (word)rewrite_length);
- ip0 = vlib_buffer_get_current (b0);
- ip1 = vlib_buffer_get_current (b1);
-
- hbh0 = (ip6_hop_by_hop_header_t *)(ip0 + 1);
- hbh1 = (ip6_hop_by_hop_header_t *)(ip1 + 1);
- /* $$$ tune, rewrite_length is a multiple of 8 */
- clib_memcpy (hbh0, rewrite, rewrite_length);
- clib_memcpy (hbh1, rewrite, rewrite_length);
- /* Patch the protocol chain, insert the h-b-h (type 0) header */
- hbh0->protocol = ip0->protocol;
- hbh1->protocol = ip1->protocol;
- ip0->protocol = 0;
- ip1->protocol = 0;
- new_l0 = clib_net_to_host_u16 (ip0->payload_length) + rewrite_length;
- new_l1 = clib_net_to_host_u16 (ip1->payload_length) + rewrite_length;
- ip0->payload_length = clib_host_to_net_u16 (new_l0);
- ip1->payload_length = clib_host_to_net_u16 (new_l1);
-
- /* Populate the (first) h-b-h list elt */
- next0 = IP6_HBYH_IOAM_INPUT_NEXT_IP6_LOOKUP;
- next1 = IP6_HBYH_IOAM_INPUT_NEXT_IP6_LOOKUP;
-
-
- /* $$$$$ End of processing 2 x packets $$$$$ */
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- if (b0->flags & VLIB_BUFFER_IS_TRACED)
- {
+ {
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
+ u32 next0, next1;
+ ip6_header_t *ip0, *ip1;
+ ip6_hop_by_hop_header_t *hbh0, *hbh1;
+ u64 *copy_src0, *copy_dst0, *copy_src1, *copy_dst1;
+ u16 new_l0, new_l1;
+
+ /* Prefetch next iteration. */
+ {
+ vlib_buffer_t *p2, *p3;
+
+ p2 = vlib_get_buffer (vm, from[2]);
+ p3 = vlib_get_buffer (vm, from[3]);
+
+ vlib_prefetch_buffer_header (p2, LOAD);
+ vlib_prefetch_buffer_header (p3, LOAD);
+
+ CLIB_PREFETCH (p2->data - rewrite_length,
+ 2 * CLIB_CACHE_LINE_BYTES, STORE);
+ CLIB_PREFETCH (p3->data - rewrite_length,
+ 2 * CLIB_CACHE_LINE_BYTES, STORE);
+ }
+
+ /* speculatively enqueue b0 and b1 to the current next frame */
+ to_next[0] = bi0 = from[0];
+ to_next[1] = bi1 = from[1];
+ from += 2;
+ to_next += 2;
+ n_left_from -= 2;
+ n_left_to_next -= 2;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ b1 = vlib_get_buffer (vm, bi1);
+
+ /* $$$$$ Dual loop: process 2 x packets here $$$$$ */
+ ASSERT (b0->current_data == 0);
+ ASSERT (b1->current_data == 0);
+
+ ip0 = vlib_buffer_get_current (b0);
+ ip1 = vlib_buffer_get_current (b1);
+
+ /* Copy the ip header left by the required amount */
+ copy_dst0 = (u64 *) (((u8 *) ip0) - rewrite_length);
+ copy_dst1 = (u64 *) (((u8 *) ip1) - rewrite_length);
+ copy_src0 = (u64 *) ip0;
+ copy_src1 = (u64 *) ip1;
+
+ copy_dst0[0] = copy_src0[0];
+ copy_dst0[1] = copy_src0[1];
+ copy_dst0[2] = copy_src0[2];
+ copy_dst0[3] = copy_src0[3];
+ copy_dst0[4] = copy_src0[4];
+
+ copy_dst1[0] = copy_src1[0];
+ copy_dst1[1] = copy_src1[1];
+ copy_dst1[2] = copy_src1[2];
+ copy_dst1[3] = copy_src1[3];
+ copy_dst1[4] = copy_src1[4];
+
+ vlib_buffer_advance (b0, -(word) rewrite_length);
+ vlib_buffer_advance (b1, -(word) rewrite_length);
+ ip0 = vlib_buffer_get_current (b0);
+ ip1 = vlib_buffer_get_current (b1);
+
+ hbh0 = (ip6_hop_by_hop_header_t *) (ip0 + 1);
+ hbh1 = (ip6_hop_by_hop_header_t *) (ip1 + 1);
+ /* $$$ tune, rewrite_length is a multiple of 8 */
+ clib_memcpy (hbh0, rewrite, rewrite_length);
+ clib_memcpy (hbh1, rewrite, rewrite_length);
+ /* Patch the protocol chain, insert the h-b-h (type 0) header */
+ hbh0->protocol = ip0->protocol;
+ hbh1->protocol = ip1->protocol;
+ ip0->protocol = 0;
+ ip1->protocol = 0;
+ new_l0 =
+ clib_net_to_host_u16 (ip0->payload_length) + rewrite_length;
+ new_l1 =
+ clib_net_to_host_u16 (ip1->payload_length) + rewrite_length;
+ ip0->payload_length = clib_host_to_net_u16 (new_l0);
+ ip1->payload_length = clib_host_to_net_u16 (new_l1);
+
+ /* Populate the (first) h-b-h list elt */
+ next0 = IP6_HBYH_IOAM_INPUT_NEXT_IP6_LOOKUP;
+ next1 = IP6_HBYH_IOAM_INPUT_NEXT_IP6_LOOKUP;
+
+
+ /* $$$$$ End of processing 2 x packets $$$$$ */
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
+ {
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
ip6_add_hop_by_hop_trace_t *t =
vlib_add_trace (vm, node, b0, sizeof (*t));
t->next_index = next0;
@@ -387,23 +244,23 @@ ip6_add_hop_by_hop_node_fn (vlib_main_t * vm,
t->next_index = next1;
}
}
- processed+=2;
+ processed += 2;
/* verify speculative enqueues, maybe switch current next frame */
vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
to_next, n_left_to_next,
bi0, bi1, next0, next1);
- }
+ }
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
- ip6_header_t * ip0;
- ip6_hop_by_hop_header_t * hbh0;
- u64 * copy_src0, * copy_dst0;
- u16 new_l0;
-
- /* speculatively enqueue b0 to the current next frame */
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+ ip6_header_t *ip0;
+ ip6_hop_by_hop_header_t *hbh0;
+ u64 *copy_src0, *copy_dst0;
+ u16 new_l0;
+
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
@@ -413,43 +270,44 @@ ip6_add_hop_by_hop_node_fn (vlib_main_t * vm,
b0 = vlib_get_buffer (vm, bi0);
- ip0 = vlib_buffer_get_current (b0);
-
- /* Copy the ip header left by the required amount */
- copy_dst0 = (u64 *)(((u8 *)ip0) - rewrite_length);
- copy_src0 = (u64 *) ip0;
-
- copy_dst0 [0] = copy_src0 [0];
- copy_dst0 [1] = copy_src0 [1];
- copy_dst0 [2] = copy_src0 [2];
- copy_dst0 [3] = copy_src0 [3];
- copy_dst0 [4] = copy_src0 [4];
- vlib_buffer_advance (b0, - (word)rewrite_length);
- ip0 = vlib_buffer_get_current (b0);
-
- hbh0 = (ip6_hop_by_hop_header_t *)(ip0 + 1);
- /* $$$ tune, rewrite_length is a multiple of 8 */
- clib_memcpy (hbh0, rewrite, rewrite_length);
- /* Patch the protocol chain, insert the h-b-h (type 0) header */
- hbh0->protocol = ip0->protocol;
- ip0->protocol = 0;
- new_l0 = clib_net_to_host_u16 (ip0->payload_length) + rewrite_length;
- ip0->payload_length = clib_host_to_net_u16 (new_l0);
-
- /* Populate the (first) h-b-h list elt */
- next0 = IP6_HBYH_IOAM_INPUT_NEXT_IP6_LOOKUP;
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- ip6_add_hop_by_hop_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->next_index = next0;
- }
-
- processed++;
-
- /* verify speculative enqueue, maybe switch current next frame */
+ ip0 = vlib_buffer_get_current (b0);
+
+ /* Copy the ip header left by the required amount */
+ copy_dst0 = (u64 *) (((u8 *) ip0) - rewrite_length);
+ copy_src0 = (u64 *) ip0;
+
+ copy_dst0[0] = copy_src0[0];
+ copy_dst0[1] = copy_src0[1];
+ copy_dst0[2] = copy_src0[2];
+ copy_dst0[3] = copy_src0[3];
+ copy_dst0[4] = copy_src0[4];
+ vlib_buffer_advance (b0, -(word) rewrite_length);
+ ip0 = vlib_buffer_get_current (b0);
+
+ hbh0 = (ip6_hop_by_hop_header_t *) (ip0 + 1);
+ /* $$$ tune, rewrite_length is a multiple of 8 */
+ clib_memcpy (hbh0, rewrite, rewrite_length);
+ /* Patch the protocol chain, insert the h-b-h (type 0) header */
+ hbh0->protocol = ip0->protocol;
+ ip0->protocol = 0;
+ new_l0 =
+ clib_net_to_host_u16 (ip0->payload_length) + rewrite_length;
+ ip0->payload_length = clib_host_to_net_u16 (new_l0);
+
+ /* Populate the (first) h-b-h list elt */
+ next0 = IP6_HBYH_IOAM_INPUT_NEXT_IP6_LOOKUP;
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ ip6_add_hop_by_hop_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->next_index = next0;
+ }
+
+ processed++;
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
@@ -458,54 +316,56 @@ ip6_add_hop_by_hop_node_fn (vlib_main_t * vm,
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- vlib_node_increment_counter (vm, ip6_add_hop_by_hop_node.index,
- IP6_ADD_HOP_BY_HOP_ERROR_PROCESSED, processed);
+ vlib_node_increment_counter (vm, ip6_add_hop_by_hop_node.index,
+ IP6_ADD_HOP_BY_HOP_ERROR_PROCESSED, processed);
return frame->n_vectors;
}
-VLIB_REGISTER_NODE (ip6_add_hop_by_hop_node) = {
- .function = ip6_add_hop_by_hop_node_fn,
- .name = "ip6-add-hop-by-hop",
- .vector_size = sizeof (u32),
- .format_trace = format_ip6_add_hop_by_hop_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
-
- .n_errors = ARRAY_LEN(ip6_add_hop_by_hop_error_strings),
- .error_strings = ip6_add_hop_by_hop_error_strings,
-
- /* See ip/lookup.h */
- .n_next_nodes = IP6_HBYH_IOAM_INPUT_N_NEXT,
- .next_nodes = {
+VLIB_REGISTER_NODE (ip6_add_hop_by_hop_node) = /* *INDENT-OFF* */
+{
+ .function = ip6_add_hop_by_hop_node_fn,.name =
+ "ip6-add-hop-by-hop",.vector_size = sizeof (u32),.format_trace =
+ format_ip6_add_hop_by_hop_trace,.type =
+ VLIB_NODE_TYPE_INTERNAL,.n_errors =
+ ARRAY_LEN (ip6_add_hop_by_hop_error_strings),.error_strings =
+ ip6_add_hop_by_hop_error_strings,
+ /* See ip/lookup.h */
+ .n_next_nodes = IP6_HBYH_IOAM_INPUT_N_NEXT,.next_nodes =
+ {
#define _(s,n) [IP6_HBYH_IOAM_INPUT_NEXT_##s] = n,
foreach_ip6_hbyh_ioam_input_next
#undef _
- },
-};
+ }
+,};
-VLIB_NODE_FUNCTION_MULTIARCH (ip6_add_hop_by_hop_node, ip6_add_hop_by_hop_node_fn)
+/* *INDENT-ON* */
+VLIB_NODE_FUNCTION_MULTIARCH (ip6_add_hop_by_hop_node,
+ ip6_add_hop_by_hop_node_fn)
/* The main h-b-h tracer was already invoked, no need to do much here */
-typedef struct {
- u32 next_index;
-} ip6_pop_hop_by_hop_trace_t;
+ typedef struct
+ {
+ u32 next_index;
+ } ip6_pop_hop_by_hop_trace_t;
/* packet trace format function */
-static u8 * format_ip6_pop_hop_by_hop_trace (u8 * s, va_list * args)
+ static u8 *format_ip6_pop_hop_by_hop_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
- ip6_pop_hop_by_hop_trace_t * t = va_arg (*args, ip6_pop_hop_by_hop_trace_t *);
-
- s = format (s, "IP6_POP_HOP_BY_HOP: next index %d",
- t->next_index);
+ ip6_pop_hop_by_hop_trace_t *t =
+ va_arg (*args, ip6_pop_hop_by_hop_trace_t *);
+
+ s = format (s, "IP6_POP_HOP_BY_HOP: next index %d", t->next_index);
return s;
}
int
ip6_hbh_pop_register_option (u8 option,
- int options(ip6_header_t *ip, ip6_hop_by_hop_option_t *opt))
+ int options (ip6_header_t * ip,
+ ip6_hop_by_hop_option_t * opt))
{
- ip6_hop_by_hop_ioam_main_t * hm = &ip6_hop_by_hop_ioam_main;
+ ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
ASSERT (option < ARRAY_LEN (hm->pop_options));
@@ -521,7 +381,7 @@ ip6_hbh_pop_register_option (u8 option,
int
ip6_hbh_pop_unregister_option (u8 option)
{
- ip6_hop_by_hop_ioam_main_t * hm = &ip6_hop_by_hop_ioam_main;
+ ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
ASSERT (option < ARRAY_LEN (hm->pop_options));
@@ -540,32 +400,35 @@ _(PROCESSED, "Pkts w/ removed ip6 hop-by-hop options") \
_(NO_HOHO, "Pkts w/ no ip6 hop-by-hop options") \
_(OPTION_FAILED, "ip6 pop hop-by-hop failed to process")
-typedef enum {
+typedef enum
+{
#define _(sym,str) IP6_POP_HOP_BY_HOP_ERROR_##sym,
foreach_ip6_pop_hop_by_hop_error
#undef _
- IP6_POP_HOP_BY_HOP_N_ERROR,
+ IP6_POP_HOP_BY_HOP_N_ERROR,
} ip6_pop_hop_by_hop_error_t;
-static char * ip6_pop_hop_by_hop_error_strings[] = {
+static char *ip6_pop_hop_by_hop_error_strings[] = {
#define _(sym,string) string,
foreach_ip6_pop_hop_by_hop_error
#undef _
};
-static inline void ioam_pop_hop_by_hop_processing (vlib_main_t * vm,
- ip6_header_t *ip0,
- ip6_hop_by_hop_header_t *hbh0)
+static inline void
+ioam_pop_hop_by_hop_processing (vlib_main_t * vm,
+ ip6_header_t * ip0,
+ ip6_hop_by_hop_header_t * hbh0)
{
- ip6_hop_by_hop_ioam_main_t * hm = &ip6_hop_by_hop_ioam_main;
+ ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
ip6_hop_by_hop_option_t *opt0, *limit0;
u8 type0;
- if (!hbh0 || !ip0) return;
+ if (!hbh0 || !ip0)
+ return;
- opt0 = (ip6_hop_by_hop_option_t *)(hbh0+1);
+ opt0 = (ip6_hop_by_hop_option_t *) (hbh0 + 1);
limit0 = (ip6_hop_by_hop_option_t *)
- ((u8 *)hbh0 + ((hbh0->length+1)<<3));
+ ((u8 *) hbh0 + ((hbh0->length + 1) << 3));
/* Scan the set of h-b-h options, process ones that we understand */
while (opt0 < limit0)
@@ -573,63 +436,65 @@ static inline void ioam_pop_hop_by_hop_processing (vlib_main_t * vm,
type0 = opt0->type;
switch (type0)
{
- case 0: /* Pad1 */
- opt0 = (ip6_hop_by_hop_option_t *) ((u8 *)opt0) + 1;
+ case 0: /* Pad1 */
+ opt0 = (ip6_hop_by_hop_option_t *) ((u8 *) opt0) + 1;
continue;
- case 1: /* PadN */
+ case 1: /* PadN */
break;
default:
if (hm->pop_options[type0])
{
- if ((*hm->pop_options[type0])(ip0, opt0) < 0)
- {
- vlib_node_increment_counter (vm, ip6_pop_hop_by_hop_node.index,
- IP6_POP_HOP_BY_HOP_ERROR_OPTION_FAILED, 1);
- }
+ if ((*hm->pop_options[type0]) (ip0, opt0) < 0)
+ {
+ vlib_node_increment_counter (vm,
+ ip6_pop_hop_by_hop_node.index,
+ IP6_POP_HOP_BY_HOP_ERROR_OPTION_FAILED,
+ 1);
+ }
}
}
- opt0 = (ip6_hop_by_hop_option_t *) (((u8 *)opt0) + opt0->length + sizeof (ip6_hop_by_hop_option_t));
+ opt0 =
+ (ip6_hop_by_hop_option_t *) (((u8 *) opt0) + opt0->length +
+ sizeof (ip6_hop_by_hop_option_t));
}
}
static uword
ip6_pop_hop_by_hop_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- ip6_main_t * im = &ip6_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- u32 n_left_from, * from, * to_next;
+ ip6_main_t *im = &ip6_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
+ u32 n_left_from, *from, *to_next;
ip_lookup_next_t next_index;
u32 processed = 0;
u32 no_header = 0;
-
+
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
next_index = node->cached_next_index;
-
+
while (n_left_from > 0)
{
u32 n_left_to_next;
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 4 && n_left_to_next >= 2)
{
- u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
+ u32 bi0, bi1;
+ vlib_buffer_t *b0, *b1;
u32 next0, next1;
u32 adj_index0, adj_index1;
- ip6_header_t * ip0, *ip1;
- ip_adjacency_t * adj0, *adj1;
+ ip6_header_t *ip0, *ip1;
+ ip_adjacency_t *adj0, *adj1;
ip6_hop_by_hop_header_t *hbh0, *hbh1;
u64 *copy_dst0, *copy_src0, *copy_dst1, *copy_src1;
u16 new_l0, new_l1;
/* Prefetch next iteration. */
{
- vlib_buffer_t * p2, * p3;
+ vlib_buffer_t *p2, *p3;
p2 = vlib_get_buffer (vm, from[2]);
p3 = vlib_get_buffer (vm, from[3]);
@@ -641,7 +506,7 @@ ip6_pop_hop_by_hop_node_fn (vlib_main_t * vm,
CLIB_PREFETCH (p3->data, CLIB_CACHE_LINE_BYTES, STORE);
}
- /* speculatively enqueue b0 and b1 to the current next frame */
+ /* speculatively enqueue b0 and b1 to the current next frame */
to_next[0] = bi0 = from[0];
to_next[1] = bi1 = from[1];
from += 2;
@@ -652,12 +517,12 @@ ip6_pop_hop_by_hop_node_fn (vlib_main_t * vm,
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
- /* $$$$$ Dual loop: process 2 x packets here $$$$$ */
- ASSERT (b0->current_data == 0);
- ASSERT (b1->current_data == 0);
+ /* $$$$$ Dual loop: process 2 x packets here $$$$$ */
+ ASSERT (b0->current_data == 0);
+ ASSERT (b1->current_data == 0);
- ip0 = vlib_buffer_get_current (b0);
- ip1 = vlib_buffer_get_current (b1);
+ ip0 = vlib_buffer_get_current (b0);
+ ip1 = vlib_buffer_get_current (b1);
adj_index0 = vnet_buffer (b0)->ip.adj_index[VLIB_TX];
adj_index1 = vnet_buffer (b1)->ip.adj_index[VLIB_TX];
adj0 = ip_get_adjacency (lm, adj_index0);
@@ -666,19 +531,19 @@ ip6_pop_hop_by_hop_node_fn (vlib_main_t * vm,
next0 = adj0->lookup_next_index;
next1 = adj1->lookup_next_index;
- hbh0 = (ip6_hop_by_hop_header_t *)(ip0+1);
- hbh1 = (ip6_hop_by_hop_header_t *)(ip1+1);
+ hbh0 = (ip6_hop_by_hop_header_t *) (ip0 + 1);
+ hbh1 = (ip6_hop_by_hop_header_t *) (ip1 + 1);
- ioam_pop_hop_by_hop_processing(vm, ip0, hbh0);
- ioam_pop_hop_by_hop_processing(vm, ip1, hbh1);
+ ioam_pop_hop_by_hop_processing (vm, ip0, hbh0);
+ ioam_pop_hop_by_hop_processing (vm, ip1, hbh1);
- vlib_buffer_advance (b0, (hbh0->length+1)<<3);
- vlib_buffer_advance (b1, (hbh1->length+1)<<3);
+ vlib_buffer_advance (b0, (hbh0->length + 1) << 3);
+ vlib_buffer_advance (b1, (hbh1->length + 1) << 3);
new_l0 = clib_net_to_host_u16 (ip0->payload_length) -
- ((hbh0->length+1)<<3);
+ ((hbh0->length + 1) << 3);
new_l1 = clib_net_to_host_u16 (ip1->payload_length) -
- ((hbh1->length+1)<<3);
+ ((hbh1->length + 1) << 3);
ip0->payload_length = clib_host_to_net_u16 (new_l0);
ip1->payload_length = clib_host_to_net_u16 (new_l1);
@@ -686,58 +551,58 @@ ip6_pop_hop_by_hop_node_fn (vlib_main_t * vm,
ip0->protocol = hbh0->protocol;
ip1->protocol = hbh1->protocol;
- copy_src0 = (u64 *)ip0;
- copy_src1 = (u64 *)ip1;
- copy_dst0 = copy_src0 + (hbh0->length+1);
- copy_dst0 [4] = copy_src0[4];
- copy_dst0 [3] = copy_src0[3];
- copy_dst0 [2] = copy_src0[2];
- copy_dst0 [1] = copy_src0[1];
- copy_dst0 [0] = copy_src0[0];
- copy_dst1 = copy_src1 + (hbh1->length+1);
- copy_dst1 [4] = copy_src1[4];
- copy_dst1 [3] = copy_src1[3];
- copy_dst1 [2] = copy_src1[2];
- copy_dst1 [1] = copy_src1[1];
- copy_dst1 [0] = copy_src1[0];
- processed+=2;
- /* $$$$$ End of processing 2 x packets $$$$$ */
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)))
- {
- if (b0->flags & VLIB_BUFFER_IS_TRACED)
- {
- ip6_pop_hop_by_hop_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->next_index = next0;
- }
- if (b1->flags & VLIB_BUFFER_IS_TRACED)
- {
- ip6_pop_hop_by_hop_trace_t *t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->next_index = next1;
- }
- }
-
- /* verify speculative enqueues, maybe switch current next frame */
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
+ copy_src0 = (u64 *) ip0;
+ copy_src1 = (u64 *) ip1;
+ copy_dst0 = copy_src0 + (hbh0->length + 1);
+ copy_dst0[4] = copy_src0[4];
+ copy_dst0[3] = copy_src0[3];
+ copy_dst0[2] = copy_src0[2];
+ copy_dst0[1] = copy_src0[1];
+ copy_dst0[0] = copy_src0[0];
+ copy_dst1 = copy_src1 + (hbh1->length + 1);
+ copy_dst1[4] = copy_src1[4];
+ copy_dst1[3] = copy_src1[3];
+ copy_dst1[2] = copy_src1[2];
+ copy_dst1[1] = copy_src1[1];
+ copy_dst1[0] = copy_src1[0];
+ processed += 2;
+ /* $$$$$ End of processing 2 x packets $$$$$ */
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
+ {
+ if (b0->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ ip6_pop_hop_by_hop_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->next_index = next0;
+ }
+ if (b1->flags & VLIB_BUFFER_IS_TRACED)
+ {
+ ip6_pop_hop_by_hop_trace_t *t =
+ vlib_add_trace (vm, node, b1, sizeof (*t));
+ t->next_index = next1;
+ }
+ }
+
+ /* verify speculative enqueues, maybe switch current next frame */
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, next0, next1);
+ }
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0;
- vlib_buffer_t * b0;
- u32 next0;
- u32 adj_index0;
- ip6_header_t * ip0;
- ip_adjacency_t * adj0;
- ip6_hop_by_hop_header_t *hbh0;
- u64 * copy_dst0, * copy_src0;
- u16 new_l0;
-
- /* speculatively enqueue b0 to the current next frame */
+ u32 bi0;
+ vlib_buffer_t *b0;
+ u32 next0;
+ u32 adj_index0;
+ ip6_header_t *ip0;
+ ip_adjacency_t *adj0;
+ ip6_hop_by_hop_header_t *hbh0;
+ u64 *copy_dst0, *copy_src0;
+ u16 new_l0;
+
+ /* speculatively enqueue b0 to the current next frame */
bi0 = from[0];
to_next[0] = bi0;
from += 1;
@@ -747,42 +612,42 @@ ip6_pop_hop_by_hop_node_fn (vlib_main_t * vm,
b0 = vlib_get_buffer (vm, bi0);
- ip0 = vlib_buffer_get_current (b0);
- adj_index0 = vnet_buffer (b0)->ip.adj_index[VLIB_TX];
- adj0 = ip_get_adjacency (lm, adj_index0);
+ ip0 = vlib_buffer_get_current (b0);
+ adj_index0 = vnet_buffer (b0)->ip.adj_index[VLIB_TX];
+ adj0 = ip_get_adjacency (lm, adj_index0);
/* Default use the next_index from the adjacency. */
next0 = adj0->lookup_next_index;
- /* Perfectly normal to end up here w/ out h-b-h header */
- hbh0 = (ip6_hop_by_hop_header_t *)(ip0+1);
-
+ /* Perfectly normal to end up here w/ out h-b-h header */
+ hbh0 = (ip6_hop_by_hop_header_t *) (ip0 + 1);
+
/* TODO:Temporarily doing it here.. do this validation in end_of_path_cb */
- ioam_pop_hop_by_hop_processing(vm, ip0, hbh0);
+ ioam_pop_hop_by_hop_processing (vm, ip0, hbh0);
/* Pop the trace data */
- vlib_buffer_advance (b0, (hbh0->length+1)<<3);
+ vlib_buffer_advance (b0, (hbh0->length + 1) << 3);
new_l0 = clib_net_to_host_u16 (ip0->payload_length) -
- ((hbh0->length+1)<<3);
+ ((hbh0->length + 1) << 3);
ip0->payload_length = clib_host_to_net_u16 (new_l0);
ip0->protocol = hbh0->protocol;
- copy_src0 = (u64 *)ip0;
- copy_dst0 = copy_src0 + (hbh0->length+1);
- copy_dst0 [4] = copy_src0[4];
- copy_dst0 [3] = copy_src0[3];
- copy_dst0 [2] = copy_src0[2];
- copy_dst0 [1] = copy_src0[1];
- copy_dst0 [0] = copy_src0[0];
+ copy_src0 = (u64 *) ip0;
+ copy_dst0 = copy_src0 + (hbh0->length + 1);
+ copy_dst0[4] = copy_src0[4];
+ copy_dst0[3] = copy_src0[3];
+ copy_dst0[2] = copy_src0[2];
+ copy_dst0[1] = copy_src0[1];
+ copy_dst0[0] = copy_src0[0];
processed++;
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED)))
- {
- ip6_pop_hop_by_hop_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->next_index = next0;
- }
-
- /* verify speculative enqueue, maybe switch current next frame */
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ ip6_pop_hop_by_hop_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->next_index = next0;
+ }
+
+ /* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
bi0, next0);
@@ -791,91 +656,76 @@ ip6_pop_hop_by_hop_node_fn (vlib_main_t * vm,
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- vlib_node_increment_counter (vm, ip6_pop_hop_by_hop_node.index,
- IP6_POP_HOP_BY_HOP_ERROR_PROCESSED, processed);
- vlib_node_increment_counter (vm, ip6_pop_hop_by_hop_node.index,
- IP6_POP_HOP_BY_HOP_ERROR_NO_HOHO, no_header);
+ vlib_node_increment_counter (vm, ip6_pop_hop_by_hop_node.index,
+ IP6_POP_HOP_BY_HOP_ERROR_PROCESSED, processed);
+ vlib_node_increment_counter (vm, ip6_pop_hop_by_hop_node.index,
+ IP6_POP_HOP_BY_HOP_ERROR_NO_HOHO, no_header);
return frame->n_vectors;
}
-VLIB_REGISTER_NODE (ip6_pop_hop_by_hop_node) = {
- .function = ip6_pop_hop_by_hop_node_fn,
- .name = "ip6-pop-hop-by-hop",
- .vector_size = sizeof (u32),
- .format_trace = format_ip6_pop_hop_by_hop_trace,
- .type = VLIB_NODE_TYPE_INTERNAL,
- .sibling_of = "ip6-lookup",
- .n_errors = ARRAY_LEN(ip6_pop_hop_by_hop_error_strings),
- .error_strings = ip6_pop_hop_by_hop_error_strings,
-
- /* See ip/lookup.h */
- .n_next_nodes = 0,
-};
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (ip6_pop_hop_by_hop_node) =
+{
+ .function = ip6_pop_hop_by_hop_node_fn,.name =
+ "ip6-pop-hop-by-hop",.vector_size = sizeof (u32),.format_trace =
+ format_ip6_pop_hop_by_hop_trace,.type =
+ VLIB_NODE_TYPE_INTERNAL,.sibling_of = "ip6-lookup",.n_errors =
+ ARRAY_LEN (ip6_pop_hop_by_hop_error_strings),.error_strings =
+ ip6_pop_hop_by_hop_error_strings,
+ /* See ip/lookup.h */
+.n_next_nodes = 0,};
+
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (ip6_pop_hop_by_hop_node,
ip6_pop_hop_by_hop_node_fn)
-
-static clib_error_t *
-ip6_hop_by_hop_ioam_init (vlib_main_t * vm)
+ static clib_error_t *ip6_hop_by_hop_ioam_init (vlib_main_t * vm)
{
- ip6_hop_by_hop_ioam_main_t * hm = &ip6_hop_by_hop_ioam_main;
+ ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
hm->vlib_main = vm;
- hm->vnet_main = vnet_get_main();
- hm->unix_time_0 = (u32) time (0); /* Store starting time */
+ hm->vnet_main = vnet_get_main ();
+ hm->unix_time_0 = (u32) time (0); /* Store starting time */
hm->vlib_time_0 = vlib_time_now (vm);
hm->ioam_flag = IOAM_HBYH_MOD;
- hm->trace_tsp = TSP_MICROSECONDS; /* Micro seconds */
- memset(hm->add_options, 0, sizeof(hm->add_options));
- memset(hm->pop_options, 0, sizeof(hm->pop_options));
- memset(hm->options_size, 0, sizeof(hm->options_size));
-
- /*
- * Register the handlers
- * XXX: This should be done dynamically based on OAM feature being enabled or not.
- */
- if (ip6_hbh_register_option(HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST, ip6_hbh_ioam_trace_data_list_handler,
- ip6_hbh_ioam_trace_data_list_trace_handler) < 0)
- return (clib_error_create("registration of HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST failed"));
+ memset (hm->add_options, 0, sizeof (hm->add_options));
+ memset (hm->pop_options, 0, sizeof (hm->pop_options));
+ memset (hm->options_size, 0, sizeof (hm->options_size));
return (0);
}
VLIB_INIT_FUNCTION (ip6_hop_by_hop_ioam_init);
-int ip6_ioam_set_rewrite (u8 **rwp, u32 trace_type, u32 trace_option_elts,
- int has_pot_option, int has_ppc_option)
+int
+ip6_ioam_set_rewrite (u8 ** rwp, int has_trace_option,
+ int has_pot_option, int has_ppc_option)
{
- ip6_hop_by_hop_ioam_main_t * hm = &ip6_hop_by_hop_ioam_main;
+ ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
u8 *rewrite = 0;
u32 size, rnd_size;
ip6_hop_by_hop_header_t *hbh;
- ioam_trace_option_t * trace_option;
u8 *current;
- u8 trace_data_size = 0;
+ u8 trace_data_size = 0;
+ u8 pot_data_size = 0;
vec_free (*rwp);
- if (trace_option_elts == 0 && has_pot_option == 0)
+ if (has_trace_option == 0 && has_pot_option == 0)
return -1;
/* Work out how much space we need */
size = sizeof (ip6_hop_by_hop_header_t);
- if (trace_option_elts)
+ //if (has_trace_option && hm->get_sizeof_options[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST] != 0)
+ if (has_trace_option
+ && hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST] != 0)
{
size += sizeof (ip6_hop_by_hop_option_t);
-
- trace_data_size = fetch_trace_data_size(trace_type);
- if (trace_data_size == 0)
- return VNET_API_ERROR_INVALID_VALUE;
-
- if (trace_option_elts * trace_data_size > 254)
- return VNET_API_ERROR_INVALID_VALUE;
-
- size += trace_option_elts * trace_data_size;
+ size += hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST];
}
- if (has_pot_option && hm->add_options[HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT] != 0)
+ if (has_pot_option
+ && hm->add_options[HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT] != 0)
{
size += sizeof (ip6_hop_by_hop_option_t);
size += hm->options_size[HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT];
@@ -885,92 +735,89 @@ int ip6_ioam_set_rewrite (u8 **rwp, u32 trace_type, u32 trace_option_elts,
rnd_size = (size + 7) & ~7;
/* allocate it, zero-fill / pad by construction */
- vec_validate (rewrite, rnd_size-1);
+ vec_validate (rewrite, rnd_size - 1);
hbh = (ip6_hop_by_hop_header_t *) rewrite;
/* Length of header in 8 octet units, not incl first 8 octets */
- hbh->length = (rnd_size>>3) - 1;
- current = (u8 *)(hbh+1);
-
- if (trace_option_elts)
+ hbh->length = (rnd_size >> 3) - 1;
+ current = (u8 *) (hbh + 1);
+
+ if (has_trace_option
+ && hm->add_options[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST] != 0)
{
- trace_option = (ioam_trace_option_t *)current;
- trace_option->hdr.type = HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST
- | HBH_OPTION_TYPE_DATA_CHANGE_ENROUTE;
- trace_option->hdr.length =
- 2 /*ioam_trace_type,data_list_elts_left */ +
- trace_option_elts * trace_data_size;
- trace_option->ioam_trace_type = trace_type & TRACE_TYPE_MASK;
- trace_option->data_list_elts_left = trace_option_elts;
- current += sizeof (ioam_trace_option_t) +
- trace_option_elts * trace_data_size;
+ if (0 != (hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST]))
+ {
+ trace_data_size =
+ hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST];
+ if (0 ==
+ hm->add_options[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST] (current,
+ &trace_data_size))
+ current += hm->options_size[HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST];
+ }
}
- if (has_pot_option && hm->add_options[HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT] != 0)
+ if (has_pot_option
+ && hm->add_options[HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT] != 0)
{
- if (0 == hm->add_options[HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT](current,
- hm->options_size[HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT]))
- current += sizeof (hm->options_size[HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT]);
+ pot_data_size = hm->options_size[HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT];
+ if (0 ==
+ hm->add_options[HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT] (current,
+ &pot_data_size))
+ current +=
+ sizeof (hm->options_size[HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT]);
}
-
+
*rwp = rewrite;
return 0;
}
clib_error_t *
-clear_ioam_rewrite_fn(void)
+clear_ioam_rewrite_fn (void)
{
ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
- vec_free(hm->rewrite);
+ vec_free (hm->rewrite);
hm->rewrite = 0;
- hm->node_id = 0;
- hm->app_data = 0;
- hm->trace_type = 0;
- hm->trace_option_elts = 0;
+ hm->has_trace_option = 0;
hm->has_pot_option = 0;
hm->has_ppc_option = 0;
- hm->trace_tsp = TSP_MICROSECONDS;
return 0;
}
-clib_error_t * clear_ioam_rewrite_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+clib_error_t *
+clear_ioam_rewrite_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- return(clear_ioam_rewrite_fn());
+ return (clear_ioam_rewrite_fn ());
}
-
-VLIB_CLI_COMMAND (ip6_clear_ioam_trace_cmd, static) = {
- .path = "clear ioam rewrite",
- .short_help = "clear ioam rewrite",
- .function = clear_ioam_rewrite_command_fn,
-};
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (ip6_clear_ioam_rewrite_cmd, static) =
+{
+.path = "clear ioam rewrite",.short_help = "clear ioam rewrite",.function =
+ clear_ioam_rewrite_command_fn,};
+/* *INDENT-ON* */
clib_error_t *
-ip6_ioam_trace_profile_set(u32 trace_option_elts, u32 trace_type, u32 node_id,
- u32 app_data, int has_pot_option, u32 trace_tsp,
- int has_ppc_option)
+ip6_ioam_enable (int has_trace_option, int has_pot_option, int has_ppc_option)
{
int rv;
ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
- rv = ip6_ioam_set_rewrite (&hm->rewrite, trace_type, trace_option_elts,
- has_pot_option, has_ppc_option);
+ rv = ip6_ioam_set_rewrite (&hm->rewrite, has_trace_option,
+ has_pot_option, has_ppc_option);
switch (rv)
{
case 0:
- hm->node_id = node_id;
- hm->app_data = app_data;
- hm->trace_type = trace_type;
- hm->trace_option_elts = trace_option_elts;
+ hm->has_trace_option = has_trace_option;
hm->has_pot_option = has_pot_option;
hm->has_ppc_option = has_ppc_option;
- hm->trace_tsp = trace_tsp;
break;
default:
- return clib_error_return_code(0, rv, 0, "ip6_ioam_set_rewrite returned %d", rv);
+ return clib_error_return_code (0, rv, 0,
+ "ip6_ioam_set_rewrite returned %d", rv);
}
return 0;
@@ -979,126 +826,119 @@ ip6_ioam_trace_profile_set(u32 trace_option_elts, u32 trace_type, u32 node_id,
static clib_error_t *
ip6_set_ioam_rewrite_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- u32 trace_option_elts = 0;
- u32 trace_type = 0, node_id = 0;
- u32 app_data = 0, trace_tsp = TSP_MICROSECONDS;
+ int has_trace_option = 0;
int has_pot_option = 0;
int has_ppc_option = 0;
- clib_error_t * rv = 0;
-
+ clib_error_t *rv = 0;
+
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "trace-type 0x%x trace-elts %d "
- "trace-tsp %d node-id 0x%x app-data 0x%x",
- &trace_type, &trace_option_elts, &trace_tsp,
- &node_id, &app_data))
- ;
+ if (unformat (input, "trace"))
+ has_trace_option = 1;
else if (unformat (input, "pot"))
- has_pot_option = 1;
+ has_pot_option = 1;
else if (unformat (input, "ppc encap"))
- has_ppc_option = PPC_ENCAP;
+ has_ppc_option = PPC_ENCAP;
else if (unformat (input, "ppc decap"))
- has_ppc_option = PPC_DECAP;
+ has_ppc_option = PPC_DECAP;
else if (unformat (input, "ppc none"))
- has_ppc_option = PPC_NONE;
+ has_ppc_option = PPC_NONE;
else
- break;
+ break;
}
-
-
- rv = ip6_ioam_trace_profile_set(trace_option_elts, trace_type, node_id,
- app_data, has_pot_option, trace_tsp, has_ppc_option);
- return rv;
+
+ rv = ip6_ioam_enable (has_trace_option, has_pot_option, has_ppc_option);
+
+ return rv;
}
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (ip6_set_ioam_rewrite_cmd, static) =
+{
+.path = "set ioam rewrite",.short_help =
+ "set ioam [trace] [pot] [ppc <encap|decap>]",.function =
+ ip6_set_ioam_rewrite_command_fn,};
+/* *INDENT-ON* */
-VLIB_CLI_COMMAND (ip6_set_ioam_rewrite_cmd, static) = {
- .path = "set ioam rewrite",
- .short_help = "set ioam rewrite trace-type <0x1f|0x3|0x9|0x11|0x19> trace-elts <nn> trace-tsp <0|1|2|3> node-id <node id in hex> app-data <app_data in hex> [pot] [ppc <encap|decap>]",
- .function = ip6_set_ioam_rewrite_command_fn,
-};
-
static clib_error_t *
ip6_show_ioam_summary_cmd_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
u8 *s = 0;
- if (!is_zero_ip6_address(&hm->adj))
- {
- s = format(s, " REWRITE FLOW CONFIGS - \n");
- s = format(s, " Destination Address : %U\n",
- format_ip6_address, &hm->adj, sizeof(ip6_address_t));
- s = format(s, " Flow operation : %d (%s)\n", hm->ioam_flag,
- (hm->ioam_flag == IOAM_HBYH_ADD) ? "Add" :
- ((hm->ioam_flag == IOAM_HBYH_MOD) ? "Mod" : "Pop"));
- }
- else
- {
- s = format(s, " REWRITE FLOW CONFIGS - Not configured\n");
- }
-
- if (hm->trace_option_elts)
- {
- s = format(s, " HOP BY HOP OPTIONS - TRACE CONFIG - \n");
- s = format(s, " Trace Type : 0x%x (%d)\n",
- hm->trace_type, hm->trace_type);
- s = format(s, " Trace timestamp precision : %d (%s)\n", hm->trace_tsp,
- (hm->trace_tsp == TSP_SECONDS) ? "Seconds" :
- ((hm->trace_tsp == TSP_MILLISECONDS) ? "Milliseconds" :
- (((hm->trace_tsp == TSP_MICROSECONDS) ? "Microseconds" : "Nanoseconds"))));
- s = format(s, " Num of trace nodes : %d\n",
- hm->trace_option_elts);
- s = format(s, " Node-id : 0x%x (%d)\n",
- hm->node_id, hm->node_id);
- s = format(s, " App Data : 0x%x (%d)\n",
- hm->app_data, hm->app_data);
- }
+ if (!is_zero_ip6_address (&hm->adj))
+ {
+ s = format (s, " REWRITE FLOW CONFIGS - \n");
+ s = format (s, " Destination Address : %U\n",
+ format_ip6_address, &hm->adj, sizeof (ip6_address_t));
+ s =
+ format (s, " Flow operation : %d (%s)\n",
+ hm->ioam_flag,
+ (hm->ioam_flag ==
+ IOAM_HBYH_ADD) ? "Add" : ((hm->ioam_flag ==
+ IOAM_HBYH_MOD) ? "Mod" : "Pop"));
+ }
else
- {
- s = format(s, " HOP BY HOP OPTIONS - TRACE CONFIG - Not configured\n");
- }
+ {
+ s = format (s, " REWRITE FLOW CONFIGS - Not configured\n");
+ }
+
- s = format(s, " POT OPTION - %d (%s)\n",
- hm->has_pot_option, (hm->has_pot_option?"Enabled":"Disabled"));
+ s = format (s, " TRACE OPTION - %d (%s)\n",
+ hm->has_trace_option,
+ (hm->has_trace_option ? "Enabled" : "Disabled"));
+ if (hm->has_trace_option)
+ s =
+ format (s,
+ "Try 'show ioam trace and show ioam-trace profile' for more information\n");
+
+
+ s = format (s, " POT OPTION - %d (%s)\n",
+ hm->has_pot_option,
+ (hm->has_pot_option ? "Enabled" : "Disabled"));
if (hm->has_pot_option)
- s = format(s, "Try 'show ioam pot and show pot profile' for more information\n");
+ s =
+ format (s,
+ "Try 'show ioam pot and show pot profile' for more information\n");
- s = format(s, " EDGE TO EDGE - PPC OPTION - %d (%s)\n",
- hm->has_ppc_option, ppc_state[hm->has_ppc_option]);
+ s = format (s, " EDGE TO EDGE - PPC OPTION - %d (%s)\n",
+ hm->has_ppc_option, ppc_state[hm->has_ppc_option]);
if (hm->has_ppc_option)
- s = format(s, "Try 'show ioam ppc' for more information\n");
+ s = format (s, "Try 'show ioam ppc' for more information\n");
- vlib_cli_output(vm, "%v", s);
- vec_free(s);
+ vlib_cli_output (vm, "%v", s);
+ vec_free (s);
return 0;
}
-VLIB_CLI_COMMAND (ip6_show_ioam_run_cmd, static) = {
- .path = "show ioam summary",
- .short_help = "Summary of IOAM configuration",
- .function = ip6_show_ioam_summary_cmd_fn,
-};
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (ip6_show_ioam_run_cmd, static) =
+{
+.path = "show ioam summary",.short_help =
+ "Summary of IOAM configuration",.function =
+ ip6_show_ioam_summary_cmd_fn,};
+/* *INDENT-ON* */
-int ip6_ioam_set_destination (ip6_address_t *addr, u32 mask_width, u32 vrf_id,
- int is_add, int is_pop, int is_none)
+int
+ip6_ioam_set_destination (ip6_address_t * addr, u32 mask_width, u32 vrf_id,
+ int is_add, int is_pop, int is_none)
{
- ip6_main_t * im = &ip6_main;
- ip6_hop_by_hop_ioam_main_t * hm = &ip6_hop_by_hop_ioam_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- ip_adjacency_t * adj;
+ ip6_main_t *im = &ip6_main;
+ ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
+ ip_adjacency_t *adj;
u32 fib_index;
u32 len, adj_index;
int i, rv;
- uword * p;
- BVT(clib_bihash_kv) kv, value;
+ uword *p;
+ BVT (clib_bihash_kv) kv, value;
if ((is_add + is_pop + is_none) != 1)
return VNET_API_ERROR_INVALID_VALUE_2;
@@ -1112,27 +952,28 @@ int ip6_ioam_set_destination (ip6_address_t *addr, u32 mask_width, u32 vrf_id,
fib_index = p[0];
len = vec_len (im->prefix_lengths_in_search_order);
-
+
for (i = 0; i < len; i++)
{
int dst_address_length = im->prefix_lengths_in_search_order[i];
- ip6_address_t * mask = &im->fib_masks[dst_address_length];
-
+ ip6_address_t *mask = &im->fib_masks[dst_address_length];
+
if (dst_address_length != mask_width)
- continue;
+ continue;
kv.key[0] = addr->as_u64[0] & mask->as_u64[0];
kv.key[1] = addr->as_u64[1] & mask->as_u64[1];
- kv.key[2] = ((u64)((fib_index))<<32) | dst_address_length;
-
- rv = BV(clib_bihash_search_inline_2)(&im->ip6_lookup_table, &kv, &value);
+ kv.key[2] = ((u64) ((fib_index)) << 32) | dst_address_length;
+
+ rv =
+ BV (clib_bihash_search_inline_2) (&im->ip6_lookup_table, &kv, &value);
if (rv == 0)
- goto found;
+ goto found;
}
return VNET_API_ERROR_NO_SUCH_ENTRY;
-
- found:
+
+found:
/* Got it, modify as directed... */
adj_index = value.value;
@@ -1150,21 +991,23 @@ int ip6_ioam_set_destination (ip6_address_t *addr, u32 mask_width, u32 vrf_id,
adj->saved_lookup_next_index = adj->lookup_next_index;
if (is_add)
- adj->lookup_next_index = (ip_lookup_next_t) IP6_LOOKUP_NEXT_ADD_HOP_BY_HOP;
+ adj->lookup_next_index =
+ (ip_lookup_next_t) IP6_LOOKUP_NEXT_ADD_HOP_BY_HOP;
if (is_pop)
- adj->lookup_next_index = (ip_lookup_next_t) IP6_LOOKUP_NEXT_POP_HOP_BY_HOP;
+ adj->lookup_next_index =
+ (ip_lookup_next_t) IP6_LOOKUP_NEXT_POP_HOP_BY_HOP;
hm->adj = *addr;
hm->ioam_flag = (is_add ? IOAM_HBYH_ADD :
- (is_pop ? IOAM_HBYH_POP : IOAM_HBYH_MOD));
+ (is_pop ? IOAM_HBYH_POP : IOAM_HBYH_MOD));
return 0;
}
-
+
static clib_error_t *
ip6_set_ioam_destination_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
ip6_address_t addr;
u32 mask_width = ~0;
@@ -1176,19 +1019,18 @@ ip6_set_ioam_destination_command_fn (vlib_main_t * vm,
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "%U/%d",
- unformat_ip6_address, &addr, &mask_width))
- ;
+ if (unformat (input, "%U/%d", unformat_ip6_address, &addr, &mask_width))
+ ;
else if (unformat (input, "vrf-id %d", &vrf_id))
- ;
+ ;
else if (unformat (input, "add"))
- is_add = 1;
+ is_add = 1;
else if (unformat (input, "pop"))
- is_pop = 1;
+ is_pop = 1;
else if (unformat (input, "none"))
- is_none = 1;
+ is_none = 1;
else
- break;
+ break;
}
if ((is_add + is_pop + is_none) != 1)
@@ -1196,30 +1038,42 @@ ip6_set_ioam_destination_command_fn (vlib_main_t * vm,
if (mask_width == ~0)
return clib_error_return (0, "<address>/<mask-width> required");
- rv = ip6_ioam_set_destination (&addr, mask_width, vrf_id,
- is_add, is_pop, is_none);
+ rv = ip6_ioam_set_destination (&addr, mask_width, vrf_id,
+ is_add, is_pop, is_none);
switch (rv)
{
case 0:
break;
default:
- return clib_error_return (0, "ip6_ioam_set_destination returned %d", rv);
+ return clib_error_return (0, "ip6_ioam_set_destination returned %d",
+ rv);
}
-
+
return 0;
}
-VLIB_CLI_COMMAND (ip6_set_ioam_destination_cmd, static) = {
- .path = "set ioam destination",
- .short_help = "set ioam destination <ip6-address>/<width> add | pop | none",
- .function = ip6_set_ioam_destination_command_fn,
-};
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (ip6_set_ioam_destination_cmd, static) =
+{
+.path = "set ioam destination",.short_help =
+ "set ioam destination <ip6-address>/<width> add | pop | none",.function
+ = ip6_set_ioam_destination_command_fn,};
+/* *INDENT-ON* */
-void vnet_register_ioam_end_of_path_callback (void *cb)
+void
+vnet_register_ioam_end_of_path_callback (void *cb)
{
- ip6_hop_by_hop_ioam_main_t * hm = &ip6_hop_by_hop_ioam_main;
+ ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
hm->ioam_end_of_path_cb = cb;
}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/vnet/vnet/ip/ip6_hop_by_hop.h b/vnet/vnet/ip/ip6_hop_by_hop.h
index 0ee24b30..dae58619 100644
--- a/vnet/vnet/ip/ip6_hop_by_hop.h
+++ b/vnet/vnet/ip/ip6_hop_by_hop.h
@@ -38,12 +38,7 @@ typedef struct {
/* Trace option */
- u8 trace_type;
- u8 trace_option_elts;
-
- /* Configured node-id */
- u32 node_id;
- u32 app_data;
+ u8 has_trace_option;
/* Pot option */
u8 has_pot_option;
@@ -57,13 +52,12 @@ typedef struct {
#define TSP_MILLISECONDS 1
#define TSP_MICROSECONDS 2
#define TSP_NANOSECONDS 3
- /* Time stamp precision. This is enumerated to above four options */
- u32 trace_tsp;
/* Array of function pointers to ADD and POP HBH option handling routines */
u8 options_size[256];
- int (*add_options[256])(u8 *rewrite_string, u8 rewrite_size);
+ int (*add_options[256])(u8 *rewrite_string, u8 *rewrite_size);
int (*pop_options[256])(ip6_header_t *ip, ip6_hop_by_hop_option_t *opt);
+ int (*get_sizeof_options[256])(u32 *rewrite_size);
/* convenience */
vlib_main_t * vlib_main;
@@ -74,8 +68,7 @@ extern ip6_hop_by_hop_ioam_main_t ip6_hop_by_hop_ioam_main;
extern u8 * format_path_map(u8 * s, va_list * args);
extern clib_error_t *
-ip6_ioam_trace_profile_set(u32 trace_option_elts, u32 trace_type, u32 node_id,
- u32 app_data, int has_pot_option, u32 trace_tsp,
+ip6_ioam_enable(int has_trace_option, int has_pot_option,
int has_e2e_option);
extern int ip6_ioam_set_destination (ip6_address_t *addr, u32 mask_width,
u32 vrf_id, int is_add, int is_pop, int is_none);
@@ -110,12 +103,18 @@ static inline u8 is_zero_ip6_address (ip6_address_t *a)
int ip6_hbh_add_register_option (u8 option,
u8 size,
- int rewrite_options(u8 *rewrite_string, u8 size));
+ int rewrite_options(u8 *rewrite_string, u8 *size));
int ip6_hbh_add_unregister_option (u8 option);
int ip6_hbh_pop_register_option (u8 option,
int options(ip6_header_t *ip, ip6_hop_by_hop_option_t *opt));
int ip6_hbh_pop_unregister_option (u8 option);
+int
+ip6_hbh_get_sizeof_register_option (u8 option,
+ int get_sizeof_hdr_options(u32 *rewrite_size));
+int
+ip6_ioam_set_rewrite (u8 ** rwp, int has_trace_option,
+ int has_pot_option, int has_ppc_option);
#endif /* __included_ip6_hop_by_hop_ioam_h__ */
diff --git a/vnet/vnet/ip/ip6_hop_by_hop_packet.h b/vnet/vnet/ip/ip6_hop_by_hop_packet.h
index 0a2c3d02..8c358334 100644
--- a/vnet/vnet/ip/ip6_hop_by_hop_packet.h
+++ b/vnet/vnet/ip/ip6_hop_by_hop_packet.h
@@ -43,134 +43,6 @@ typedef struct {
#define HBH_OPTION_TYPE_IOAM_PROOF_OF_TRANSIT 60 /* Third highest bit set (change en-route) */
#define HBH_OPTION_TYPE_IOAM_EDGE_TO_EDGE 29
-/*
-typedef struct {
- u32 ttl_node_id;
- u16 ingress_if;
- u16 egress_if;
- u32 timestamp;
- u32 app_data;
-} ioam_trace_data_list_element_t;
-*/
-
-#define BIT_TTL_NODEID (1<<0)
-#define BIT_ING_INTERFACE (1<<1)
-#define BIT_EGR_INTERFACE (1<<2)
-#define BIT_TIMESTAMP (1<<3)
-#define BIT_APPDATA (1<<4)
-#define TRACE_TYPE_MASK 0x1F /* Mask of all above bits */
-
-/*
- 0x00011111 iOAM-trace-type is 0x00011111 then the format of node
- data is:
-
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | Hop_Lim | node_id |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | ingress_if_id | egress_if_id |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- + timestamp +
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | app_data |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-
-*/
-#define TRACE_TYPE_IF_TS_APP 0x1f
-typedef struct {
- u32 ttl_node_id;
- u16 ingress_if;
- u16 egress_if;
- u32 timestamp;
- u32 app_data;
-} ioam_trace_if_ts_app_t;
-
-/*
- 0x00000111 iOAM-trace-type is 0x00000111 then the format is:
-
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | Hop_Lim | node_id |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | ingress_if_id | egress_if_id |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-
-*/
-
-#define TRACE_TYPE_IF 0x03
-typedef struct {
- u32 ttl_node_id;
- u16 ingress_if;
- u16 egress_if;
-} ioam_trace_if_t;
-
-/*
- 0x00001001 iOAM-trace-type is 0x00001001 then the format is:
-
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | Hop_Lim | node_id |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- + timestamp +
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-
-*/
-
-#define TRACE_TYPE_TS 0x09
-typedef struct {
- u32 ttl_node_id;
- u32 timestamp;
-} ioam_trace_ts_t;
-
-/*
- 0x00010001 iOAM-trace-type is 0x00010001 then the format is:
-
-
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | Hop_Lim | node_id |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | app_data |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-
-*/
-
-
-#define TRACE_TYPE_APP 0x11
-typedef struct {
- u32 ttl_node_id;
- u32 app_data;
-} ioam_trace_app_t;
-
-/*
-
- 0x00011001 iOAM-trace-type is 0x00011001 then the format is:
-
- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | Hop_Lim | node_id |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- + timestamp +
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- | app_data |
- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-*/
-
-#define TRACE_TYPE_TS_APP 0x19
-typedef struct {
- u32 ttl_node_id;
- u32 timestamp;
- u32 app_data;
-} ioam_trace_ts_app_t;
-
-
-typedef CLIB_PACKED(struct {
- ip6_hop_by_hop_option_t hdr;
- u8 ioam_trace_type;
- u8 data_list_elts_left;
- u32 elts[0]; /* Variable type. So keep it generic */
-}) ioam_trace_option_t;
-
typedef CLIB_PACKED(struct {
ip6_hop_by_hop_option_t hdr;