ip6_sr_main_t sr_main;
static vlib_node_registration_t sr_local_node;
-void sr_fix_hmac (ip6_sr_main_t * sm, ip6_header_t * ip,
- ip6_sr_header_t * sr)
+void
+sr_fix_hmac (ip6_sr_main_t * sm, ip6_header_t * ip, ip6_sr_header_t * sr)
{
u32 key_index;
- static u8 * keybuf;
- u8 * copy_target;
+ static u8 *keybuf;
+ u8 *copy_target;
int first_segment;
ip6_address_t *addrp;
int i;
- ip6_sr_hmac_key_t * hmac_key;
+ ip6_sr_hmac_key_t *hmac_key;
u32 sig_len;
key_index = sr->hmac_key;
/* octet w/ bit 0 = "clean" flag */
vec_add2 (keybuf, copy_target, 1);
- copy_target[0]
- = (sr->flags & clib_host_to_net_u16 (IP6_SR_HEADER_FLAG_CLEANUP))
+ copy_target[0]
+ = (sr->flags & clib_host_to_net_u16 (IP6_SR_HEADER_FLAG_CLEANUP))
? 0x80 : 0;
/* hmac key id */
addrp++;
- HMAC_CTX_init(sm->hmac_ctx);
- if (!HMAC_Init(sm->hmac_ctx, hmac_key->shared_secret,
- vec_len(hmac_key->shared_secret),sm->md))
- clib_warning ("barf1");
- if (!HMAC_Update(sm->hmac_ctx,keybuf,vec_len(keybuf)))
- clib_warning ("barf2");
- if (!HMAC_Final(sm->hmac_ctx, (unsigned char *) addrp, &sig_len))
- clib_warning ("barf3");
- HMAC_CTX_cleanup(sm->hmac_ctx);
+ HMAC_CTX_init (sm->hmac_ctx);
+ if (!HMAC_Init (sm->hmac_ctx, hmac_key->shared_secret,
+ vec_len (hmac_key->shared_secret), sm->md))
+ clib_warning ("barf1");
+ if (!HMAC_Update (sm->hmac_ctx, keybuf, vec_len (keybuf)))
+ clib_warning ("barf2");
+ if (!HMAC_Final (sm->hmac_ctx, (unsigned char *) addrp, &sig_len))
+ clib_warning ("barf3");
+ HMAC_CTX_cleanup (sm->hmac_ctx);
}
-u8 * format_ip6_sr_header_flags (u8 * s, va_list * args)
+u8 *
+format_ip6_sr_header_flags (u8 * s, va_list * args)
{
u16 flags = (u16) va_arg (*args, int);
u8 pl_flag;
int i;
if (bswap_needed)
- flags = clib_host_to_net_u16 (flags);
+ flags = clib_host_to_net_u16 (flags);
if (flags & IP6_SR_HEADER_FLAG_CLEANUP)
- s = format (s, "cleanup ");
+ s = format (s, "cleanup ");
if (flags & IP6_SR_HEADER_FLAG_PROTECTED)
- s = format (s, "reroute ");
+ s = format (s, "reroute ");
s = format (s, "pl: ");
for (i = 1; i <= 4; i++)
s = format (s, "[%d] ", i);
switch (pl_flag)
- {
- case IP6_SR_HEADER_FLAG_PL_ELT_NOT_PRESENT:
- s = format (s, "NotPr ");
- break;
- case IP6_SR_HEADER_FLAG_PL_ELT_INGRESS_PE:
- s = format (s, "InPE ");
- break;
- case IP6_SR_HEADER_FLAG_PL_ELT_EGRESS_PE:
- s = format (s, "EgPE ");
- break;
-
- case IP6_SR_HEADER_FLAG_PL_ELT_ORIG_SRC_ADDR:
- s = format (s, "OrgSrc ");
- break;
- }
+ {
+ case IP6_SR_HEADER_FLAG_PL_ELT_NOT_PRESENT:
+ s = format (s, "NotPr ");
+ break;
+ case IP6_SR_HEADER_FLAG_PL_ELT_INGRESS_PE:
+ s = format (s, "InPE ");
+ break;
+ case IP6_SR_HEADER_FLAG_PL_ELT_EGRESS_PE:
+ s = format (s, "EgPE ");
+ break;
+
+ case IP6_SR_HEADER_FLAG_PL_ELT_ORIG_SRC_ADDR:
+ s = format (s, "OrgSrc ");
+ break;
+ }
}
return s;
}
-u8 * format_ip6_sr_header (u8 * s, va_list * args)
+u8 *
+format_ip6_sr_header (u8 * s, va_list * args)
{
- ip6_sr_header_t * h = va_arg (*args, ip6_sr_header_t *);
- ip6_address_t placeholder_addr = {{254,254,254,254,254,254,254,254,254,254,254,254,254,254,254,254}};
+ ip6_sr_header_t *h = va_arg (*args, ip6_sr_header_t *);
+ ip6_address_t placeholder_addr =
+ { {254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254,
+ 254, 254}
+ };
int print_hmac = va_arg (*args, int);
int i, pl_index, max_segs;
- int flags_host_byte_order = clib_net_to_host_u16(h->flags);
+ int flags_host_byte_order = clib_net_to_host_u16 (h->flags);
s = format (s, "next proto %d, len %d, type %d",
- h->protocol, (h->length<<3)+8, h->type);
+ h->protocol, (h->length << 3) + 8, h->type);
s = format (s, "\n segs left %d, first_segment %d, hmac key %d",
- h->segments_left, h->first_segment, h->hmac_key);
- s = format (s, "\n flags %U", format_ip6_sr_header_flags,
- flags_host_byte_order, 0 /* bswap needed */ );
+ h->segments_left, h->first_segment, h->hmac_key);
+ s = format (s, "\n flags %U", format_ip6_sr_header_flags,
+ flags_host_byte_order, 0 /* bswap needed */ );
/*
* Header length is in 8-byte units (minus one), so
* divide by 2 to ascertain the number of ip6 addresses in the
* segment list
*/
- max_segs = (h->length>>1);
+ max_segs = (h->length >> 1);
if (!print_hmac && h->hmac_key)
max_segs -= 2;
for (i = h->first_segment; i >= 1; i--)
s = format (s, "\n %U", format_ip6_address, h->segments + i);
- if (ip6_address_is_equal(&placeholder_addr, h->segments))
- s = format (s, "\n (empty placeholder)");
+ if (ip6_address_is_equal (&placeholder_addr, h->segments))
+ s = format (s, "\n (empty placeholder)");
else
- s = format (s, "\n %U", format_ip6_address, h->segments);
+ s = format (s, "\n %U", format_ip6_address, h->segments);
s = format (s, "\n Policy List:");
- pl_index = 1; /* to match the RFC text */
- for (i = (h->first_segment+1); i < max_segs; i++, pl_index++)
+ pl_index = 1; /* to match the RFC text */
+ for (i = (h->first_segment + 1); i < max_segs; i++, pl_index++)
{
- char * tag;
- char * tags[] = {" ", "InPE: ", "EgPE: ", "OrgSrc: "};
+ char *tag;
+ char *tags[] = { " ", "InPE: ", "EgPE: ", "OrgSrc: " };
tag = tags[0];
- if (pl_index >=1 && pl_index <= 4)
- {
- int this_pl_flag = ip6_sr_policy_list_flags
- (flags_host_byte_order, pl_index);
- tag = tags[this_pl_flag];
- }
+ if (pl_index >= 1 && pl_index <= 4)
+ {
+ int this_pl_flag = ip6_sr_policy_list_flags
+ (flags_host_byte_order, pl_index);
+ tag = tags[this_pl_flag];
+ }
s = format (s, "\n %s%U", tag, format_ip6_address, h->segments + i);
}
return s;
}
-u8 * format_ip6_sr_header_with_length (u8 * s, va_list * args)
+u8 *
+format_ip6_sr_header_with_length (u8 * s, va_list * args)
{
- ip6_header_t * h = va_arg (*args, ip6_header_t *);
+ ip6_header_t *h = va_arg (*args, ip6_header_t *);
u32 max_header_bytes = va_arg (*args, u32);
uword header_bytes;
return format (s, "ip6_sr header truncated");
s = format (s, "IP6: %U\n", format_ip6_header, h, max_header_bytes);
- s = format (s, "SR: %U\n", format_ip6_sr_header, (ip6_sr_header_t *)(h+1),
- 0 /* print_hmac */, max_header_bytes);
+ s =
+ format (s, "SR: %U\n", format_ip6_sr_header, (ip6_sr_header_t *) (h + 1),
+ 0 /* print_hmac */ , max_header_bytes);
return s;
}
-#if DPDK > 0 /* Cannot call replicate yet without DPDK */
+#if DPDK > 0 /* Cannot call replicate yet without DPDK */
#define foreach_sr_rewrite_next \
_(ERROR, "error-drop") \
_(IP6_LOOKUP, "ip6-lookup") \
#define foreach_sr_rewrite_next \
_(ERROR, "error-drop") \
_(IP6_LOOKUP, "ip6-lookup") \
-_(SR_LOCAL, "sr-local")
+_(SR_LOCAL, "sr-local")
#endif /* DPDK */
-typedef enum {
+typedef enum
+{
#define _(s,n) SR_REWRITE_NEXT_##s,
foreach_sr_rewrite_next
#undef _
- SR_REWRITE_N_NEXT,
+ SR_REWRITE_N_NEXT,
} sr_rewrite_next_t;
-typedef struct {
+typedef struct
+{
ip6_address_t src, dst;
u16 length;
u32 next_index;
u8 sr[256];
} sr_rewrite_trace_t;
-static char * sr_rewrite_error_strings[] = {
+static char *sr_rewrite_error_strings[] = {
#define sr_error(n,s) s,
#include "sr_error.def"
#undef sr_error
};
-typedef enum {
+typedef enum
+{
#define sr_error(n,s) SR_REWRITE_ERROR_##n,
#include "sr_error.def"
#undef sr_error
} sr_rewrite_error_t;
-u8 * format_sr_rewrite_trace (u8 * s, va_list * args)
+u8 *
+format_sr_rewrite_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 *);
- sr_rewrite_trace_t * t = va_arg (*args, sr_rewrite_trace_t *);
- ip6_main_t * im = &ip6_main;
- ip6_sr_main_t * sm = &sr_main;
+ sr_rewrite_trace_t *t = va_arg (*args, sr_rewrite_trace_t *);
+ ip6_main_t *im = &ip6_main;
+ ip6_sr_main_t *sm = &sr_main;
ip6_sr_tunnel_t *tun = pool_elt_at_index (sm->tunnels, t->tunnel_index);
- ip6_fib_t * rx_fib, * tx_fib;
-
- rx_fib = find_ip6_fib_by_table_index_or_id (im, tun->rx_fib_index,
- IP6_ROUTE_FLAG_FIB_INDEX);
-
- tx_fib = find_ip6_fib_by_table_index_or_id (im, tun->tx_fib_index,
- IP6_ROUTE_FLAG_FIB_INDEX);
-
- s = format
- (s, "SR-REWRITE: next %s ip6 src %U dst %U len %u\n"
- " rx-fib-id %d tx-fib-id %d\n%U",
- (t->next_index == SR_REWRITE_NEXT_SR_LOCAL)
+ ip6_fib_t *rx_fib, *tx_fib;
+
+ rx_fib = find_ip6_fib_by_table_index_or_id (im, tun->rx_fib_index,
+ IP6_ROUTE_FLAG_FIB_INDEX);
+
+ tx_fib = find_ip6_fib_by_table_index_or_id (im, tun->tx_fib_index,
+ IP6_ROUTE_FLAG_FIB_INDEX);
+
+ s = format
+ (s, "SR-REWRITE: next %s ip6 src %U dst %U len %u\n"
+ " rx-fib-id %d tx-fib-id %d\n%U",
+ (t->next_index == SR_REWRITE_NEXT_SR_LOCAL)
? "sr-local" : "ip6-lookup",
- format_ip6_address, &t->src,
- format_ip6_address, &t->dst, t->length,
- rx_fib->table_id, tx_fib->table_id,
- format_ip6_sr_header, t->sr, 0 /* print_hmac */);
+ format_ip6_address, &t->src,
+ format_ip6_address, &t->dst, t->length,
+ rx_fib->table_id, tx_fib->table_id,
+ format_ip6_sr_header, t->sr, 0 /* print_hmac */ );
return s;
}
static uword
sr_rewrite (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame)
{
- u32 n_left_from, next_index, * from, * to_next;
- ip6_main_t * im = &ip6_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- ip6_sr_main_t * sm = &sr_main;
+ u32 n_left_from, next_index, *from, *to_next;
+ ip6_main_t *im = &ip6_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
+ ip6_sr_main_t *sm = &sr_main;
u32 (*sr_local_cb) (vlib_main_t *, vlib_node_runtime_t *,
- vlib_buffer_t *, ip6_header_t *,
- ip6_sr_header_t *);
+ vlib_buffer_t *, ip6_header_t *, ip6_sr_header_t *);
sr_local_cb = sm->sr_local_cb;
from = vlib_frame_vector_args (from_frame);
{
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);
/* Note 2x loop disabled */
while (0 && n_left_from >= 4 && n_left_to_next >= 2)
{
u32 bi0, bi1;
- vlib_buffer_t * b0, * b1;
- ip6_header_t * ip0, * ip1;
- ip_adjacency_t * adj0, * adj1;
- ip6_sr_header_t * sr0, * sr1;
- ip6_sr_tunnel_t * t0, *t1;
+ vlib_buffer_t *b0, *b1;
+ ip6_header_t *ip0, *ip1;
+ ip_adjacency_t *adj0, *adj1;
+ ip6_sr_header_t *sr0, *sr1;
+ ip6_sr_tunnel_t *t0, *t1;
u32 next0 = SR_REWRITE_NEXT_IP6_LOOKUP;
u32 next1 = SR_REWRITE_NEXT_IP6_LOOKUP;
- u16 new_l0 = 0;
+ u16 new_l0 = 0;
u16 new_l1 = 0;
/* 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]);
-
+
vlib_prefetch_buffer_header (p2, LOAD);
vlib_prefetch_buffer_header (p3, LOAD);
}
b0 = vlib_get_buffer (vm, bi0);
b1 = vlib_get_buffer (vm, bi1);
- /*
- * $$$ parse through header(s) to pick the point
- * where we punch in the SR extention header
- */
-
- adj0 = ip_get_adjacency (lm, vnet_buffer(b0)->ip.adj_index[VLIB_TX]);
- adj1 = ip_get_adjacency (lm, vnet_buffer(b1)->ip.adj_index[VLIB_TX]);
- t0 = pool_elt_at_index (sm->tunnels,
- adj0->rewrite_header.sw_if_index);
- t1 = pool_elt_at_index (sm->tunnels,
- adj1->rewrite_header.sw_if_index);
-
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE
- >= ((word) vec_len (t0->rewrite)) + b0->current_data);
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE
- >= ((word) vec_len (t1->rewrite)) + b1->current_data);
-
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = t0->tx_fib_index;
- vnet_buffer(b1)->sw_if_index[VLIB_TX] = t1->tx_fib_index;
-
- ip0 = vlib_buffer_get_current (b0);
- ip1 = vlib_buffer_get_current (b1);
-
- /*
- * SR-unaware service chaining case: pkt coming back from
- * service has the original dst address, and will already
- * have an SR header. If so, send it to sr-local
- */
- if (PREDICT_FALSE(ip0->protocol == IPPROTO_IPV6_ROUTE))
- {
- vlib_buffer_advance (b0, sizeof(ip0));
- sr0 = (ip6_sr_header_t *) (ip0+1);
- new_l0 = clib_net_to_host_u16(ip0->payload_length);
- next0 = SR_REWRITE_NEXT_SR_LOCAL;
- }
- else
- {
- /*
- * Copy data before the punch-in point left by the
- * required amount. Assume (for the moment) that only
- * the main packet header needs to be copied.
- */
- clib_memcpy (((u8 *)ip0) - vec_len (t0->rewrite),
- ip0, sizeof (ip6_header_t));
- vlib_buffer_advance (b0, - (word) vec_len(t0->rewrite));
- ip0 = vlib_buffer_get_current (b0);
- sr0 = (ip6_sr_header_t *) (ip0+1);
- /* $$$ tune */
- clib_memcpy (sr0, t0->rewrite, vec_len (t0->rewrite));
-
- /* Fix the next header chain */
- sr0->protocol = ip0->protocol;
- ip0->protocol = IPPROTO_IPV6_ROUTE; /* routing extension header */
- new_l0 = clib_net_to_host_u16(ip0->payload_length) +
- vec_len (t0->rewrite);
- ip0->payload_length = clib_host_to_net_u16(new_l0);
-
- /* Copy dst address into the DA slot in the segment list */
- clib_memcpy (sr0->segments, ip0->dst_address.as_u64,
- sizeof (ip6_address_t));
- /* Rewrite the ip6 dst address with the first hop */
- clib_memcpy (ip0->dst_address.as_u64, t0->first_hop.as_u64,
- sizeof (ip6_address_t));
-
- sr_fix_hmac (sm, ip0, sr0);
-
- next0 = sr_local_cb ? sr_local_cb (vm, node, b0, ip0, sr0) :
- next0;
-
- /*
- * Ignore "do not rewrite" shtik in this path
- */
- if (PREDICT_FALSE (next0 & 0x80000000))
- {
- next0 ^= 0xFFFFFFFF;
- if (PREDICT_FALSE(next0 == SR_REWRITE_NEXT_ERROR))
- b0->error =
- node->errors[SR_REWRITE_ERROR_APP_CALLBACK];
- }
- }
-
- if (PREDICT_FALSE(ip1->protocol == IPPROTO_IPV6_ROUTE))
- {
- vlib_buffer_advance (b1, sizeof(ip1));
- sr1 = (ip6_sr_header_t *) (ip1+1);
- new_l1 = clib_net_to_host_u16(ip1->payload_length);
- next1 = SR_REWRITE_NEXT_SR_LOCAL;
- }
- else
- {
- clib_memcpy (((u8 *)ip0) - vec_len (t0->rewrite),
- ip0, sizeof (ip6_header_t));
- vlib_buffer_advance (b1, - (word) vec_len(t1->rewrite));
- ip1 = vlib_buffer_get_current (b1);
- sr1 = (ip6_sr_header_t *) (ip1+1);
- clib_memcpy (sr1, t1->rewrite, vec_len (t1->rewrite));
-
- sr1->protocol = ip1->protocol;
- ip1->protocol = IPPROTO_IPV6_ROUTE;
- new_l1 = clib_net_to_host_u16(ip1->payload_length) +
- vec_len (t1->rewrite);
- ip1->payload_length = clib_host_to_net_u16(new_l1);
-
- /* Copy dst address into the DA slot in the segment list */
- clib_memcpy (sr1->segments, ip1->dst_address.as_u64,
- sizeof (ip6_address_t));
- /* Rewrite the ip6 dst address with the first hop */
- clib_memcpy (ip1->dst_address.as_u64, t1->first_hop.as_u64,
- sizeof (ip6_address_t));
-
- sr_fix_hmac (sm, ip1, sr1);
-
- next1 = sr_local_cb ? sr_local_cb (vm, node, b1, ip1, sr1) :
- next1;
-
- /*
- * Ignore "do not rewrite" shtik in this path
- */
- if (PREDICT_FALSE (next1 & 0x80000000))
- {
- next1 ^= 0xFFFFFFFF;
- if (PREDICT_FALSE(next1 == SR_REWRITE_NEXT_ERROR))
- b1->error =
- node->errors[SR_REWRITE_ERROR_APP_CALLBACK];
- }
- }
-
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- sr_rewrite_trace_t *tr = vlib_add_trace (vm, node,
- b0, sizeof (*tr));
- tr->tunnel_index = t0 - sm->tunnels;
- clib_memcpy (tr->src.as_u8, ip0->src_address.as_u8,
- sizeof (tr->src.as_u8));
- clib_memcpy (tr->dst.as_u8, ip0->dst_address.as_u8,
- sizeof (tr->dst.as_u8));
- tr->length = new_l0;
- tr->next_index = next0;
- clib_memcpy (tr->sr, sr0, sizeof (tr->sr));
- }
- if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED))
- {
- sr_rewrite_trace_t *tr = vlib_add_trace (vm, node,
- b1, sizeof (*tr));
- tr->tunnel_index = t1 - sm->tunnels;
- clib_memcpy (tr->src.as_u8, ip1->src_address.as_u8,
- sizeof (tr->src.as_u8));
- clib_memcpy (tr->dst.as_u8, ip1->dst_address.as_u8,
- sizeof (tr->dst.as_u8));
- tr->length = new_l1;
- tr->next_index = next1;
- clib_memcpy (tr->sr, sr1, sizeof (tr->sr));
- }
+ /*
+ * $$$ parse through header(s) to pick the point
+ * where we punch in the SR extention header
+ */
+
+ adj0 =
+ ip_get_adjacency (lm, vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+ adj1 =
+ ip_get_adjacency (lm, vnet_buffer (b1)->ip.adj_index[VLIB_TX]);
+ t0 =
+ pool_elt_at_index (sm->tunnels, adj0->rewrite_header.sw_if_index);
+ t1 =
+ pool_elt_at_index (sm->tunnels, adj1->rewrite_header.sw_if_index);
+
+ ASSERT (VLIB_BUFFER_PRE_DATA_SIZE
+ >= ((word) vec_len (t0->rewrite)) + b0->current_data);
+ ASSERT (VLIB_BUFFER_PRE_DATA_SIZE
+ >= ((word) vec_len (t1->rewrite)) + b1->current_data);
+
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = t0->tx_fib_index;
+ vnet_buffer (b1)->sw_if_index[VLIB_TX] = t1->tx_fib_index;
+
+ ip0 = vlib_buffer_get_current (b0);
+ ip1 = vlib_buffer_get_current (b1);
+
+ /*
+ * SR-unaware service chaining case: pkt coming back from
+ * service has the original dst address, and will already
+ * have an SR header. If so, send it to sr-local
+ */
+ if (PREDICT_FALSE (ip0->protocol == IPPROTO_IPV6_ROUTE))
+ {
+ vlib_buffer_advance (b0, sizeof (ip0));
+ sr0 = (ip6_sr_header_t *) (ip0 + 1);
+ new_l0 = clib_net_to_host_u16 (ip0->payload_length);
+ next0 = SR_REWRITE_NEXT_SR_LOCAL;
+ }
+ else
+ {
+ /*
+ * Copy data before the punch-in point left by the
+ * required amount. Assume (for the moment) that only
+ * the main packet header needs to be copied.
+ */
+ clib_memcpy (((u8 *) ip0) - vec_len (t0->rewrite),
+ ip0, sizeof (ip6_header_t));
+ vlib_buffer_advance (b0, -(word) vec_len (t0->rewrite));
+ ip0 = vlib_buffer_get_current (b0);
+ sr0 = (ip6_sr_header_t *) (ip0 + 1);
+ /* $$$ tune */
+ clib_memcpy (sr0, t0->rewrite, vec_len (t0->rewrite));
+
+ /* Fix the next header chain */
+ sr0->protocol = ip0->protocol;
+ ip0->protocol = IPPROTO_IPV6_ROUTE; /* routing extension header */
+ new_l0 = clib_net_to_host_u16 (ip0->payload_length) +
+ vec_len (t0->rewrite);
+ ip0->payload_length = clib_host_to_net_u16 (new_l0);
+
+ /* Copy dst address into the DA slot in the segment list */
+ clib_memcpy (sr0->segments, ip0->dst_address.as_u64,
+ sizeof (ip6_address_t));
+ /* Rewrite the ip6 dst address with the first hop */
+ clib_memcpy (ip0->dst_address.as_u64, t0->first_hop.as_u64,
+ sizeof (ip6_address_t));
+
+ sr_fix_hmac (sm, ip0, sr0);
+
+ next0 = sr_local_cb ? sr_local_cb (vm, node, b0, ip0, sr0) :
+ next0;
+
+ /*
+ * Ignore "do not rewrite" shtik in this path
+ */
+ if (PREDICT_FALSE (next0 & 0x80000000))
+ {
+ next0 ^= 0xFFFFFFFF;
+ if (PREDICT_FALSE (next0 == SR_REWRITE_NEXT_ERROR))
+ b0->error = node->errors[SR_REWRITE_ERROR_APP_CALLBACK];
+ }
+ }
+
+ if (PREDICT_FALSE (ip1->protocol == IPPROTO_IPV6_ROUTE))
+ {
+ vlib_buffer_advance (b1, sizeof (ip1));
+ sr1 = (ip6_sr_header_t *) (ip1 + 1);
+ new_l1 = clib_net_to_host_u16 (ip1->payload_length);
+ next1 = SR_REWRITE_NEXT_SR_LOCAL;
+ }
+ else
+ {
+ clib_memcpy (((u8 *) ip0) - vec_len (t0->rewrite),
+ ip0, sizeof (ip6_header_t));
+ vlib_buffer_advance (b1, -(word) vec_len (t1->rewrite));
+ ip1 = vlib_buffer_get_current (b1);
+ sr1 = (ip6_sr_header_t *) (ip1 + 1);
+ clib_memcpy (sr1, t1->rewrite, vec_len (t1->rewrite));
+
+ sr1->protocol = ip1->protocol;
+ ip1->protocol = IPPROTO_IPV6_ROUTE;
+ new_l1 = clib_net_to_host_u16 (ip1->payload_length) +
+ vec_len (t1->rewrite);
+ ip1->payload_length = clib_host_to_net_u16 (new_l1);
+
+ /* Copy dst address into the DA slot in the segment list */
+ clib_memcpy (sr1->segments, ip1->dst_address.as_u64,
+ sizeof (ip6_address_t));
+ /* Rewrite the ip6 dst address with the first hop */
+ clib_memcpy (ip1->dst_address.as_u64, t1->first_hop.as_u64,
+ sizeof (ip6_address_t));
+
+ sr_fix_hmac (sm, ip1, sr1);
+
+ next1 = sr_local_cb ? sr_local_cb (vm, node, b1, ip1, sr1) :
+ next1;
+
+ /*
+ * Ignore "do not rewrite" shtik in this path
+ */
+ if (PREDICT_FALSE (next1 & 0x80000000))
+ {
+ next1 ^= 0xFFFFFFFF;
+ if (PREDICT_FALSE (next1 == SR_REWRITE_NEXT_ERROR))
+ b1->error = node->errors[SR_REWRITE_ERROR_APP_CALLBACK];
+ }
+ }
+
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ sr_rewrite_trace_t *tr = vlib_add_trace (vm, node,
+ b0, sizeof (*tr));
+ tr->tunnel_index = t0 - sm->tunnels;
+ clib_memcpy (tr->src.as_u8, ip0->src_address.as_u8,
+ sizeof (tr->src.as_u8));
+ clib_memcpy (tr->dst.as_u8, ip0->dst_address.as_u8,
+ sizeof (tr->dst.as_u8));
+ tr->length = new_l0;
+ tr->next_index = next0;
+ clib_memcpy (tr->sr, sr0, sizeof (tr->sr));
+ }
+ if (PREDICT_FALSE (b1->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ sr_rewrite_trace_t *tr = vlib_add_trace (vm, node,
+ b1, sizeof (*tr));
+ tr->tunnel_index = t1 - sm->tunnels;
+ clib_memcpy (tr->src.as_u8, ip1->src_address.as_u8,
+ sizeof (tr->src.as_u8));
+ clib_memcpy (tr->dst.as_u8, ip1->dst_address.as_u8,
+ sizeof (tr->dst.as_u8));
+ tr->length = new_l1;
+ tr->next_index = next1;
+ clib_memcpy (tr->sr, sr1, sizeof (tr->sr));
+ }
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;
- ip6_header_t * ip0 = 0;
- ip_adjacency_t * adj0;
- ip6_sr_header_t * sr0 = 0;
- ip6_sr_tunnel_t * t0;
+ vlib_buffer_t *b0;
+ ip6_header_t *ip0 = 0;
+ ip_adjacency_t *adj0;
+ ip6_sr_header_t *sr0 = 0;
+ ip6_sr_tunnel_t *t0;
u32 next0 = SR_REWRITE_NEXT_IP6_LOOKUP;
- u16 new_l0 = 0;
+ u16 new_l0 = 0;
bi0 = from[0];
to_next[0] = bi0;
b0 = vlib_get_buffer (vm, bi0);
- /*
- * $$$ parse through header(s) to pick the point
- * where we punch in the SR extention header
- */
-
- adj0 = ip_get_adjacency (lm, vnet_buffer(b0)->ip.adj_index[VLIB_TX]);
- t0 = pool_elt_at_index (sm->tunnels,
- adj0->rewrite_header.sw_if_index);
+ /*
+ * $$$ parse through header(s) to pick the point
+ * where we punch in the SR extention header
+ */
-#if DPDK > 0 /* Cannot call replication node yet without DPDK */
+ adj0 =
+ ip_get_adjacency (lm, vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+ t0 =
+ pool_elt_at_index (sm->tunnels, adj0->rewrite_header.sw_if_index);
+
+#if DPDK > 0 /* Cannot call replication node yet without DPDK */
/* add a replication node */
- if(PREDICT_FALSE(t0->policy_index != ~0))
+ if (PREDICT_FALSE (t0->policy_index != ~0))
{
- vnet_buffer(b0)->ip.save_protocol = t0->policy_index;
- next0=SR_REWRITE_NEXT_SR_REPLICATE;
+ vnet_buffer (b0)->ip.save_protocol = t0->policy_index;
+ next0 = SR_REWRITE_NEXT_SR_REPLICATE;
goto trace0;
}
#endif /* DPDK */
- ASSERT (VLIB_BUFFER_PRE_DATA_SIZE
- >= ((word) vec_len (t0->rewrite)) + b0->current_data);
-
- vnet_buffer(b0)->sw_if_index[VLIB_TX] = t0->tx_fib_index;
-
- ip0 = vlib_buffer_get_current (b0);
-
- /*
- * SR-unaware service chaining case: pkt coming back from
- * service has the original dst address, and will already
- * have an SR header. If so, send it to sr-local
- */
- if (PREDICT_FALSE(ip0->protocol == IPPROTO_IPV6_ROUTE))
- {
- vlib_buffer_advance (b0, sizeof(ip0));
- sr0 = (ip6_sr_header_t *) (ip0+1);
- new_l0 = clib_net_to_host_u16(ip0->payload_length);
- next0 = SR_REWRITE_NEXT_SR_LOCAL;
- }
- else
- {
- /*
- * Copy data before the punch-in point left by the
- * required amount. Assume (for the moment) that only
- * the main packet header needs to be copied.
- */
- clib_memcpy (((u8 *)ip0) - vec_len (t0->rewrite),
- ip0, sizeof (ip6_header_t));
- vlib_buffer_advance (b0, - (word) vec_len(t0->rewrite));
- ip0 = vlib_buffer_get_current (b0);
- sr0 = (ip6_sr_header_t *) (ip0+1);
- /* $$$ tune */
- clib_memcpy (sr0, t0->rewrite, vec_len (t0->rewrite));
-
- /* Fix the next header chain */
- sr0->protocol = ip0->protocol;
- ip0->protocol = IPPROTO_IPV6_ROUTE; /* routing extension header */
- new_l0 = clib_net_to_host_u16(ip0->payload_length) +
- vec_len (t0->rewrite);
- ip0->payload_length = clib_host_to_net_u16(new_l0);
-
- /* Copy dst address into the DA slot in the segment list */
- clib_memcpy (sr0->segments, ip0->dst_address.as_u64,
- sizeof (ip6_address_t));
- /* Rewrite the ip6 dst address with the first hop */
- clib_memcpy (ip0->dst_address.as_u64, t0->first_hop.as_u64,
- sizeof (ip6_address_t));
-
- sr_fix_hmac (sm, ip0, sr0);
-
- next0 = sr_local_cb ? sr_local_cb (vm, node, b0, ip0, sr0) :
- next0;
-
- /*
- * Ignore "do not rewrite" shtik in this path
- */
- if (PREDICT_FALSE (next0 & 0x80000000))
- {
- next0 ^= 0xFFFFFFFF;
- if (PREDICT_FALSE(next0 == SR_REWRITE_NEXT_ERROR))
- b0->error =
- node->errors[SR_REWRITE_ERROR_APP_CALLBACK];
- }
- }
-
-#if DPDK > 0 /* Cannot run replicate without DPDK and only replicate uses this label */
+ ASSERT (VLIB_BUFFER_PRE_DATA_SIZE
+ >= ((word) vec_len (t0->rewrite)) + b0->current_data);
+
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = t0->tx_fib_index;
+
+ ip0 = vlib_buffer_get_current (b0);
+
+ /*
+ * SR-unaware service chaining case: pkt coming back from
+ * service has the original dst address, and will already
+ * have an SR header. If so, send it to sr-local
+ */
+ if (PREDICT_FALSE (ip0->protocol == IPPROTO_IPV6_ROUTE))
+ {
+ vlib_buffer_advance (b0, sizeof (ip0));
+ sr0 = (ip6_sr_header_t *) (ip0 + 1);
+ new_l0 = clib_net_to_host_u16 (ip0->payload_length);
+ next0 = SR_REWRITE_NEXT_SR_LOCAL;
+ }
+ else
+ {
+ /*
+ * Copy data before the punch-in point left by the
+ * required amount. Assume (for the moment) that only
+ * the main packet header needs to be copied.
+ */
+ clib_memcpy (((u8 *) ip0) - vec_len (t0->rewrite),
+ ip0, sizeof (ip6_header_t));
+ vlib_buffer_advance (b0, -(word) vec_len (t0->rewrite));
+ ip0 = vlib_buffer_get_current (b0);
+ sr0 = (ip6_sr_header_t *) (ip0 + 1);
+ /* $$$ tune */
+ clib_memcpy (sr0, t0->rewrite, vec_len (t0->rewrite));
+
+ /* Fix the next header chain */
+ sr0->protocol = ip0->protocol;
+ ip0->protocol = IPPROTO_IPV6_ROUTE; /* routing extension header */
+ new_l0 = clib_net_to_host_u16 (ip0->payload_length) +
+ vec_len (t0->rewrite);
+ ip0->payload_length = clib_host_to_net_u16 (new_l0);
+
+ /* Copy dst address into the DA slot in the segment list */
+ clib_memcpy (sr0->segments, ip0->dst_address.as_u64,
+ sizeof (ip6_address_t));
+ /* Rewrite the ip6 dst address with the first hop */
+ clib_memcpy (ip0->dst_address.as_u64, t0->first_hop.as_u64,
+ sizeof (ip6_address_t));
+
+ sr_fix_hmac (sm, ip0, sr0);
+
+ next0 = sr_local_cb ? sr_local_cb (vm, node, b0, ip0, sr0) :
+ next0;
+
+ /*
+ * Ignore "do not rewrite" shtik in this path
+ */
+ if (PREDICT_FALSE (next0 & 0x80000000))
+ {
+ next0 ^= 0xFFFFFFFF;
+ if (PREDICT_FALSE (next0 == SR_REWRITE_NEXT_ERROR))
+ b0->error = node->errors[SR_REWRITE_ERROR_APP_CALLBACK];
+ }
+ }
+
+#if DPDK > 0 /* Cannot run replicate without DPDK and only replicate uses this label */
trace0:
#endif /* DPDK */
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- sr_rewrite_trace_t *tr = vlib_add_trace (vm, node,
- b0, sizeof (*tr));
- tr->tunnel_index = t0 - sm->tunnels;
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ sr_rewrite_trace_t *tr = vlib_add_trace (vm, node,
+ b0, sizeof (*tr));
+ tr->tunnel_index = t0 - sm->tunnels;
if (ip0)
{
memcpy (tr->src.as_u8, ip0->src_address.as_u8,
- sizeof (tr->src.as_u8));
+ sizeof (tr->src.as_u8));
memcpy (tr->dst.as_u8, ip0->dst_address.as_u8,
- sizeof (tr->dst.as_u8));
+ sizeof (tr->dst.as_u8));
}
- tr->length = new_l0;
- tr->next_index = next0;
- clib_memcpy (tr->sr, sr0, sizeof (tr->sr));
- }
+ tr->length = new_l0;
+ tr->next_index = next0;
+ clib_memcpy (tr->sr, sr0, sizeof (tr->sr));
+ }
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
return from_frame->n_vectors;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (sr_rewrite_node) = {
.function = sr_rewrite,
.name = "sr-rewrite",
#undef _
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (sr_rewrite_node, sr_rewrite)
-
-static int ip6_delete_route_no_next_hop (ip6_address_t *dst_address_arg,
- u32 dst_address_length,
- u32 rx_table_id)
+ static int ip6_delete_route_no_next_hop (ip6_address_t * dst_address_arg,
+ u32 dst_address_length,
+ u32 rx_table_id)
{
ip6_add_del_route_args_t a;
ip6_address_t dst_address;
- ip6_fib_t * fib;
- ip6_main_t * im6 = &ip6_main;
- BVT(clib_bihash_kv) kv, value;
-
- fib = find_ip6_fib_by_table_index_or_id (im6, rx_table_id,
- IP6_ROUTE_FLAG_TABLE_ID);
+ ip6_fib_t *fib;
+ ip6_main_t *im6 = &ip6_main;
+ BVT (clib_bihash_kv) kv, value;
+
+ fib = find_ip6_fib_by_table_index_or_id (im6, rx_table_id,
+ IP6_ROUTE_FLAG_TABLE_ID);
memset (&a, 0, sizeof (a));
a.flags |= IP4_ROUTE_FLAG_DEL;
a.dst_address_length = dst_address_length;
dst_address = *dst_address_arg;
-
- ip6_address_mask (&dst_address,
- &im6->fib_masks[dst_address_length]);
-
+
+ ip6_address_mask (&dst_address, &im6->fib_masks[dst_address_length]);
+
kv.key[0] = dst_address.as_u64[0];
kv.key[1] = dst_address.as_u64[1];
- kv.key[2] = ((u64)((fib - im6->fibs))<<32) | dst_address_length;
-
- if (BV(clib_bihash_search)(&im6->ip6_lookup_table, &kv, &value) < 0)
+ kv.key[2] = ((u64) ((fib - im6->fibs)) << 32) | dst_address_length;
+
+ if (BV (clib_bihash_search) (&im6->ip6_lookup_table, &kv, &value) < 0)
{
clib_warning ("%U/%d not in FIB",
- format_ip6_address, &a.dst_address,
- a.dst_address_length);
+ format_ip6_address, &a.dst_address, a.dst_address_length);
return -10;
}
a.adj_index = value.value;
a.dst_address = dst_address;
-
+
ip6_add_del_route (im6, &a);
ip6_maybe_remap_adjacencies (im6, rx_table_id, IP6_ROUTE_FLAG_TABLE_ID);
return 0;
}
-static ip6_sr_hmac_key_t *
+static ip6_sr_hmac_key_t *
find_or_add_shared_secret (ip6_sr_main_t * sm, u8 * secret, u32 * indexp)
{
- uword * p;
- ip6_sr_hmac_key_t * key = 0;
+ uword *p;
+ ip6_sr_hmac_key_t *key = 0;
int i;
p = hash_get_mem (sm->hmac_key_by_shared_secret, secret);
{
key = vec_elt_at_index (sm->hmac_keys, p[0]);
if (indexp)
- *indexp = p[0];
+ *indexp = p[0];
return (key);
}
else
{
for (i = 0; i < vec_len (sm->hmac_keys); i++)
- {
- if (sm->hmac_keys[i].shared_secret == 0)
- {
- key = sm->hmac_keys + i;
- goto found;
- }
- }
+ {
+ if (sm->hmac_keys[i].shared_secret == 0)
+ {
+ key = sm->hmac_keys + i;
+ goto found;
+ }
+ }
vec_validate (sm->hmac_keys, i);
key = sm->hmac_keys + i;
found:
key->shared_secret = vec_dup (secret);
- hash_set_mem (sm->hmac_key_by_shared_secret, key->shared_secret,
- key - sm->hmac_keys);
+ hash_set_mem (sm->hmac_key_by_shared_secret, key->shared_secret,
+ key - sm->hmac_keys);
if (indexp)
*indexp = key - sm->hmac_keys;
}
-int ip6_sr_add_del_tunnel (ip6_sr_add_del_tunnel_args_t * a)
+int
+ip6_sr_add_del_tunnel (ip6_sr_add_del_tunnel_args_t * a)
{
- ip6_main_t * im = &ip6_main;
- ip_lookup_main_t * lm = &im->lookup_main;
+ ip6_main_t *im = &ip6_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
ip6_sr_tunnel_key_t key;
- ip6_sr_tunnel_t * t;
- uword * p, * n;
- ip6_sr_header_t * h = 0;
+ ip6_sr_tunnel_t *t;
+ uword *p, *n;
+ ip6_sr_header_t *h = 0;
u32 header_length;
- ip6_address_t * addrp, *this_address;
- ip_adjacency_t adj, * ap, * add_adj = 0;
+ ip6_address_t *addrp, *this_address;
+ ip_adjacency_t adj, *ap, *add_adj = 0;
u32 adj_index;
- ip6_sr_main_t * sm = &sr_main;
- u8 * key_copy;
+ ip6_sr_main_t *sm = &sr_main;
+ u8 *key_copy;
u32 rx_fib_index, tx_fib_index;
ip6_add_del_route_args_t aa;
u32 hmac_key_index_u32;
u8 hmac_key_index = 0;
- ip6_sr_policy_t * pt;
+ ip6_sr_policy_t *pt;
int i;
/* Make sure that the rx FIB exists */
p = hash_get (im->fib_index_by_table_id, a->rx_table_id);
-
+
if (p == 0)
return -3;
/* Make sure that the supplied FIB exists */
p = hash_get (im->fib_index_by_table_id, a->tx_table_id);
-
+
if (p == 0)
return -4;
/* If the name is given, look it up */
if (a->name)
- n = hash_get_mem(sm->tunnel_index_by_name, a->name);
+ n = hash_get_mem (sm->tunnel_index_by_name, a->name);
else
n = 0;
/* validate key/name parameters */
- if (!a->is_del) /* adding a tunnel */
+ if (!a->is_del) /* adding a tunnel */
{
- if (a->name && n) /* name given & exists already */
- return -1;
- if (p) /* key exists already */
- return -1;
+ if (a->name && n) /* name given & exists already */
+ return -1;
+ if (p) /* key exists already */
+ return -1;
}
- else /* deleting a tunnel */
+ else /* deleting a tunnel */
{
- if (!p) /* key doesn't exist */
- return -2;
- if (a->name && !n) /* name given & it doesn't exist */
- return -2;
-
- if (n) /* name given & found */
- {
- if (n[0] != p[0]) /* name and key do not point to the same thing */
- return -2;
- }
+ if (!p) /* key doesn't exist */
+ return -2;
+ if (a->name && !n) /* name given & it doesn't exist */
+ return -2;
+
+ if (n) /* name given & found */
+ {
+ if (n[0] != p[0]) /* name and key do not point to the same thing */
+ return -2;
+ }
}
- if (a->is_del) /* delete the tunnel */
+ if (a->is_del) /* delete the tunnel */
{
hash_pair_t *hp;
t = pool_elt_at_index (sm->tunnels, p[0]);
ip6_delete_route_no_next_hop (&t->key.dst, t->dst_mask_width,
- a->rx_table_id);
+ a->rx_table_id);
vec_free (t->rewrite);
/* Remove tunnel from any policy if associated */
if (t->policy_index != ~0)
- {
- pt=pool_elt_at_index (sm->policies, t->policy_index);
- for (i=0; i< vec_len (pt->tunnel_indices); i++)
- {
- if (pt->tunnel_indices[i] == t - sm->tunnels)
- {
- vec_delete (pt->tunnel_indices, 1, i);
- goto found;
- }
- }
- clib_warning ("Tunnel index %d not found in policy_index %d",
- t - sm->tunnels, pt - sm->policies);
- found:
- /* If this is last tunnel in the policy, clean up the policy too */
- if (vec_len (pt->tunnel_indices) == 0)
- {
- hash_unset_mem (sm->policy_index_by_policy_name, pt->name);
- vec_free (pt->name);
- pool_put (sm->policies, pt);
- }
- }
+ {
+ pt = pool_elt_at_index (sm->policies, t->policy_index);
+ for (i = 0; i < vec_len (pt->tunnel_indices); i++)
+ {
+ if (pt->tunnel_indices[i] == t - sm->tunnels)
+ {
+ vec_delete (pt->tunnel_indices, 1, i);
+ goto found;
+ }
+ }
+ clib_warning ("Tunnel index %d not found in policy_index %d",
+ t - sm->tunnels, pt - sm->policies);
+ found:
+ /* If this is last tunnel in the policy, clean up the policy too */
+ if (vec_len (pt->tunnel_indices) == 0)
+ {
+ hash_unset_mem (sm->policy_index_by_policy_name, pt->name);
+ vec_free (pt->name);
+ pool_put (sm->policies, pt);
+ }
+ }
/* Clean up the tunnel by name */
if (t->name)
- {
- hash_unset_mem (sm->tunnel_index_by_name, t->name);
- vec_free (t->name);
- }
+ {
+ hash_unset_mem (sm->tunnel_index_by_name, t->name);
+ vec_free (t->name);
+ }
pool_put (sm->tunnels, t);
hp = hash_get_pair (sm->tunnel_index_by_key, &key);
- key_copy = (void *)(hp->key);
+ key_copy = (void *) (hp->key);
hash_unset_mem (sm->tunnel_index_by_key, &key);
vec_free (key_copy);
return 0;
t->dst_mask_width = a->dst_mask_width;
t->rx_fib_index = rx_fib_index;
t->tx_fib_index = tx_fib_index;
-
+
if (!vec_len (a->segments))
- /* there must be at least one segment... */
- return -4;
+ /* there must be at least one segment... */
+ return -4;
/* The first specified hop goes right into the dst address */
- clib_memcpy(&t->first_hop, &a->segments[0], sizeof (ip6_address_t));
+ clib_memcpy (&t->first_hop, &a->segments[0], sizeof (ip6_address_t));
/*
* Create the sr header rewrite string
* The list of segments needs an extra slot for the ultimate destination
* which is taken from the packet we add the SRH to.
*/
- header_length = sizeof (*h) +
+ header_length = sizeof (*h) +
sizeof (ip6_address_t) * (vec_len (a->segments) + 1 + vec_len (a->tags));
-
+
if (a->shared_secret)
{
/* Allocate a new key slot if we don't find the secret key */
hmac_key_index_u32 = 0;
- (void) find_or_add_shared_secret (sm, a->shared_secret,
- &hmac_key_index_u32);
+ (void) find_or_add_shared_secret (sm, a->shared_secret,
+ &hmac_key_index_u32);
/* Hey Vinz Clortho: Gozzer is pissed.. you're out of keys! */
if (hmac_key_index_u32 >= 256)
- return -5;
+ return -5;
hmac_key_index = hmac_key_index_u32;
header_length += SHA256_DIGEST_LENGTH;
}
- vec_validate (t->rewrite, header_length-1);
+ vec_validate (t->rewrite, header_length - 1);
h = (ip6_sr_header_t *) t->rewrite;
- h->protocol = 0xFF; /* we don't know yet */
+ h->protocol = 0xFF; /* we don't know yet */
- h->length = (header_length/8) - 1;
+ h->length = (header_length / 8) - 1;
h->type = ROUTING_HEADER_TYPE_SR;
/* first_segment and segments_left need to have the index of the last
addrp = h->segments + vec_len (a->segments);
vec_foreach (this_address, a->segments)
- {
- clib_memcpy (addrp->as_u8, this_address->as_u8, sizeof (ip6_address_t));
- addrp--;
- }
+ {
+ clib_memcpy (addrp->as_u8, this_address->as_u8, sizeof (ip6_address_t));
+ addrp--;
+ }
/*
* Since the ultimate destination address is not yet known, set that slot
memset (h->segments, 0xfe, sizeof (ip6_address_t));
/* Paint on the tag list, not reversed */
- addrp = h->segments + vec_len(a->segments);
+ addrp = h->segments + vec_len (a->segments);
vec_foreach (this_address, a->tags)
- {
- clib_memcpy (addrp->as_u8, this_address->as_u8, sizeof (ip6_address_t));
- addrp++;
- }
+ {
+ clib_memcpy (addrp->as_u8, this_address->as_u8, sizeof (ip6_address_t));
+ addrp++;
+ }
key_copy = vec_new (ip6_sr_tunnel_key_t, 1);
clib_memcpy (key_copy, &key, sizeof (ip6_sr_tunnel_key_t));
hash_set_mem (sm->tunnel_index_by_key, key_copy, t - sm->tunnels);
- memset(&adj, 0, sizeof (adj));
+ memset (&adj, 0, sizeof (adj));
/* Create an adjacency and add to v6 fib */
adj.lookup_next_index = sm->ip6_lookup_sr_next_index;
adj.explicit_fib_index = ~0;
-
- ap = ip_add_adjacency (lm, &adj, 1 /* one adj */,
- &adj_index);
+
+ ap = ip_add_adjacency (lm, &adj, 1 /* one adj */ ,
+ &adj_index);
/*
* Stick the tunnel index into the rewrite header.
* at some point...
*/
ap->rewrite_header.sw_if_index = t - sm->tunnels;
-
+
vec_add1 (add_adj, ap[0]);
-
- clib_memcpy (aa.dst_address.as_u8, a->dst_address, sizeof (aa.dst_address.as_u8));
+
+ clib_memcpy (aa.dst_address.as_u8, a->dst_address,
+ sizeof (aa.dst_address.as_u8));
aa.dst_address_length = a->dst_mask_width;
aa.flags = (a->is_del ? IP6_ROUTE_FLAG_DEL : IP6_ROUTE_FLAG_ADD);
if (a->policy_name)
{
- p=hash_get_mem (sm->policy_index_by_policy_name, a->policy_name);
+ p = hash_get_mem (sm->policy_index_by_policy_name, a->policy_name);
if (p)
{
pt = pool_elt_at_index (sm->policies, p[0]);
}
- else /* no policy, lets create one */
+ else /* no policy, lets create one */
{
pool_get (sm->policies, pt);
- memset (pt, 0, sizeof(*pt));
+ memset (pt, 0, sizeof (*pt));
pt->name = format (0, "%s%c", a->policy_name, 0);
- hash_set_mem (sm->policy_index_by_policy_name, pt->name, pt - sm->policies);
- p=hash_get_mem (sm->policy_index_by_policy_name, a->policy_name);
+ hash_set_mem (sm->policy_index_by_policy_name, pt->name,
+ pt - sm->policies);
+ p = hash_get_mem (sm->policy_index_by_policy_name, a->policy_name);
}
vec_add1 (pt->tunnel_indices, t - sm->tunnels);
if (p == 0)
- clib_warning ("p is NULL!");
- t->policy_index = p ? p[0] : ~0; /* equiv. to (pt - sm->policies) */
+ clib_warning ("p is NULL!");
+ t->policy_index = p ? p[0] : ~0; /* equiv. to (pt - sm->policies) */
}
if (a->name)
{
t->name = format (0, "%s%c", a->name, 0);
- hash_set_mem(sm->tunnel_index_by_name, t->name, t - sm->tunnels);
+ hash_set_mem (sm->tunnel_index_by_name, t->name, t - sm->tunnels);
}
return 0;
static clib_error_t *
sr_add_del_tunnel_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
int is_del = 0;
ip6_address_t src_address;
u8 *policy_name = 0;
u32 rx_table_id = 0;
u32 tx_table_id = 0;
- ip6_address_t * segments = 0;
- ip6_address_t * this_seg;
- ip6_address_t * tags = 0;
- ip6_address_t * this_tag;
- ip6_sr_add_del_tunnel_args_t _a, *a=&_a;
+ ip6_address_t *segments = 0;
+ ip6_address_t *this_seg;
+ ip6_address_t *tags = 0;
+ ip6_address_t *this_tag;
+ ip6_sr_add_del_tunnel_args_t _a, *a = &_a;
ip6_address_t next_address, tag;
int pl_index;
int rv;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "del"))
- is_del = 1;
+ is_del = 1;
else if (unformat (input, "rx-fib-id %d", &rx_table_id))
- ;
+ ;
else if (unformat (input, "tx-fib-id %d", &tx_table_id))
- ;
+ ;
else if (unformat (input, "src %U", unformat_ip6_address, &src_address))
- src_address_set = 1;
+ src_address_set = 1;
else if (unformat (input, "name %s", &name))
- ;
+ ;
else if (unformat (input, "policy %s", &policy_name))
- ;
- else if (unformat (input, "dst %U/%d",
- unformat_ip6_address, &dst_address,
- &dst_mask_width))
- dst_address_set = 1;
+ ;
+ else if (unformat (input, "dst %U/%d",
+ unformat_ip6_address, &dst_address, &dst_mask_width))
+ dst_address_set = 1;
else if (unformat (input, "next %U", unformat_ip6_address,
- &next_address))
- {
- vec_add2 (segments, this_seg, 1);
- clib_memcpy (this_seg->as_u8, next_address.as_u8, sizeof (*this_seg));
- }
- else if (unformat (input, "tag %U", unformat_ip6_address,
- &tag))
- {
- vec_add2 (tags, this_tag, 1);
- clib_memcpy (this_tag->as_u8, tag.as_u8, sizeof (*this_tag));
- }
+ &next_address))
+ {
+ vec_add2 (segments, this_seg, 1);
+ clib_memcpy (this_seg->as_u8, next_address.as_u8,
+ sizeof (*this_seg));
+ }
+ else if (unformat (input, "tag %U", unformat_ip6_address, &tag))
+ {
+ vec_add2 (tags, this_tag, 1);
+ clib_memcpy (this_tag->as_u8, tag.as_u8, sizeof (*this_tag));
+ }
else if (unformat (input, "clean"))
- flags |= IP6_SR_HEADER_FLAG_CLEANUP;
+ flags |= IP6_SR_HEADER_FLAG_CLEANUP;
else if (unformat (input, "protected"))
- flags |= IP6_SR_HEADER_FLAG_PROTECTED;
+ flags |= IP6_SR_HEADER_FLAG_PROTECTED;
else if (unformat (input, "key %s", &shared_secret))
- /* Do not include the trailing NULL byte. Guaranteed interop issue */
- _vec_len (shared_secret) -= 1;
+ /* Do not include the trailing NULL byte. Guaranteed interop issue */
+ _vec_len (shared_secret) -= 1;
else if (unformat (input, "InPE %d", &pl_index))
- {
- if (pl_index <= 0 || pl_index > 4)
- {
- pl_index_range_error:
- return clib_error_return
- (0, "Policy List Element Index %d out of range (1-4)", pl_index);
-
- }
- flags |= IP6_SR_HEADER_FLAG_PL_ELT_INGRESS_PE
- << ip6_sr_policy_list_shift_from_index (pl_index);
- }
+ {
+ if (pl_index <= 0 || pl_index > 4)
+ {
+ pl_index_range_error:
+ return clib_error_return
+ (0, "Policy List Element Index %d out of range (1-4)",
+ pl_index);
+
+ }
+ flags |= IP6_SR_HEADER_FLAG_PL_ELT_INGRESS_PE
+ << ip6_sr_policy_list_shift_from_index (pl_index);
+ }
else if (unformat (input, "EgPE %d", &pl_index))
- {
- if (pl_index <= 0 || pl_index > 4)
- goto pl_index_range_error;
- flags |= IP6_SR_HEADER_FLAG_PL_ELT_EGRESS_PE
- << ip6_sr_policy_list_shift_from_index (pl_index);
- }
+ {
+ if (pl_index <= 0 || pl_index > 4)
+ goto pl_index_range_error;
+ flags |= IP6_SR_HEADER_FLAG_PL_ELT_EGRESS_PE
+ << ip6_sr_policy_list_shift_from_index (pl_index);
+ }
else if (unformat (input, "OrgSrc %d", &pl_index))
- {
- if (pl_index <= 0 || pl_index > 4)
- goto pl_index_range_error;
- flags |= IP6_SR_HEADER_FLAG_PL_ELT_ORIG_SRC_ADDR
- << ip6_sr_policy_list_shift_from_index (pl_index);
- }
- else
- break;
+ {
+ if (pl_index <= 0 || pl_index > 4)
+ goto pl_index_range_error;
+ flags |= IP6_SR_HEADER_FLAG_PL_ELT_ORIG_SRC_ADDR
+ << ip6_sr_policy_list_shift_from_index (pl_index);
+ }
+ else
+ break;
}
if (!src_address_set)
a->dst_mask_width = dst_mask_width;
a->segments = segments;
a->tags = tags;
- a->flags_net_byte_order = clib_host_to_net_u16(flags);
+ a->flags_net_byte_order = clib_host_to_net_u16 (flags);
a->is_del = is_del;
a->rx_table_id = rx_table_id;
a->tx_table_id = tx_table_id;
a->shared_secret = shared_secret;
- if (vec_len(name))
- a->name = name;
+ if (vec_len (name))
+ a->name = name;
else
a->name = 0;
- if (vec_len(policy_name))
+ if (vec_len (policy_name))
a->policy_name = policy_name;
else
a->policy_name = 0;
rv = ip6_sr_add_del_tunnel (a);
-
+
vec_free (segments);
vec_free (tags);
vec_free (shared_secret);
case -1:
return clib_error_return (0, "SR tunnel src %U dst %U already exists",
- format_ip6_address, &src_address,
- format_ip6_address, &dst_address);
+ format_ip6_address, &src_address,
+ format_ip6_address, &dst_address);
case -2:
return clib_error_return (0, "SR tunnel src %U dst %U does not exist",
- format_ip6_address, &src_address,
- format_ip6_address, &dst_address);
-
+ format_ip6_address, &src_address,
+ format_ip6_address, &dst_address);
+
case -3:
- return clib_error_return (0, "FIB table %d does not exist", rx_table_id);
+ return clib_error_return (0, "FIB table %d does not exist",
+ rx_table_id);
case -4:
return clib_error_return (0, "At least one segment is required");
default:
return clib_error_return (0, "BUG: ip6_sr_add_del_tunnel returns %d",
- rv);
+ rv);
}
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (sr_tunnel_command, static) = {
.path = "sr tunnel",
.short_help =
"[rx-fib-id <fib_id>] [tx-fib-id <fib_id>]",
.function = sr_add_del_tunnel_command_fn,
};
+/* *INDENT-ON* */
void
-ip6_sr_tunnel_display (vlib_main_t * vm,
- ip6_sr_tunnel_t * t)
+ip6_sr_tunnel_display (vlib_main_t * vm, ip6_sr_tunnel_t * t)
{
- ip6_main_t * im = &ip6_main;
- ip6_sr_main_t * sm = &sr_main;
- ip6_fib_t * rx_fib, * tx_fib;
- ip6_sr_policy_t * pt;
+ ip6_main_t *im = &ip6_main;
+ ip6_sr_main_t *sm = &sr_main;
+ ip6_fib_t *rx_fib, *tx_fib;
+ ip6_sr_policy_t *pt;
+
+ rx_fib = find_ip6_fib_by_table_index_or_id (im, t->rx_fib_index,
+ IP6_ROUTE_FLAG_FIB_INDEX);
- rx_fib = find_ip6_fib_by_table_index_or_id (im, t->rx_fib_index,
- IP6_ROUTE_FLAG_FIB_INDEX);
-
- tx_fib = find_ip6_fib_by_table_index_or_id (im, t->tx_fib_index,
- IP6_ROUTE_FLAG_FIB_INDEX);
+ tx_fib = find_ip6_fib_by_table_index_or_id (im, t->tx_fib_index,
+ IP6_ROUTE_FLAG_FIB_INDEX);
if (t->name)
- vlib_cli_output (vm,"sr tunnel name: %s", (char *)t->name);
+ vlib_cli_output (vm, "sr tunnel name: %s", (char *) t->name);
- vlib_cli_output (vm, "src %U dst %U first hop %U",
+ vlib_cli_output (vm, "src %U dst %U first hop %U",
format_ip6_address, &t->key.src,
format_ip6_address, &t->key.dst,
format_ip6_address, &t->first_hop);
vlib_cli_output (vm, " rx-fib-id %d tx-fib-id %d",
rx_fib->table_id, tx_fib->table_id);
- vlib_cli_output (vm, " sr: %U", format_ip6_sr_header, t->rewrite,
- 0 /* print_hmac */);
+ vlib_cli_output (vm, " sr: %U", format_ip6_sr_header, t->rewrite,
+ 0 /* print_hmac */ );
if (t->policy_index != ~0)
{
- pt=pool_elt_at_index(sm->policies, t->policy_index);
- vlib_cli_output (vm,"sr policy: %s", (char *)pt->name);
+ pt = pool_elt_at_index (sm->policies, t->policy_index);
+ vlib_cli_output (vm, "sr policy: %s", (char *) pt->name);
}
vlib_cli_output (vm, "-------");
static clib_error_t *
show_sr_tunnel_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- static ip6_sr_tunnel_t ** tunnels;
- ip6_sr_tunnel_t * t;
- ip6_sr_main_t * sm = &sr_main;
+ static ip6_sr_tunnel_t **tunnels;
+ ip6_sr_tunnel_t *t;
+ ip6_sr_main_t *sm = &sr_main;
int i;
- uword * p = 0;
+ uword *p = 0;
u8 *name = 0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "name %s", &name))
+ if (unformat (input, "name %s", &name))
{
- p=hash_get_mem (sm->tunnel_index_by_name, name);
- if(!p)
- vlib_cli_output (vm, "No SR tunnel with name: %s. Showing all.", name);
- }
- else
- break;
+ p = hash_get_mem (sm->tunnel_index_by_name, name);
+ if (!p)
+ vlib_cli_output (vm, "No SR tunnel with name: %s. Showing all.",
+ name);
+ }
+ else
+ break;
}
vec_reset_length (tunnels);
- if(!p) /* Either name parm not passed or no tunnel with that name found, show all */
+ if (!p) /* Either name parm not passed or no tunnel with that name found, show all */
{
+ /* *INDENT-OFF* */
pool_foreach (t, sm->tunnels,
({
vec_add1 (tunnels, t);
}));
+ /* *INDENT-ON* */
}
- else /* Just show the one tunnel by name */
+ else /* Just show the one tunnel by name */
vec_add1 (tunnels, &sm->tunnels[p[0]]);
if (vec_len (tunnels) == 0)
t = tunnels[i];
ip6_sr_tunnel_display (vm, t);
}
-
+
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_sr_tunnel_command, static) = {
.path = "show sr tunnel",
.short_help = "show sr tunnel [name <sr-tunnel-name>]",
.function = show_sr_tunnel_fn,
};
+/* *INDENT-ON* */
-int ip6_sr_add_del_policy (ip6_sr_add_del_policy_args_t * a)
+int
+ip6_sr_add_del_policy (ip6_sr_add_del_policy_args_t * a)
{
- ip6_sr_main_t * sm = &sr_main;
- uword * p;
- ip6_sr_tunnel_t * t = 0;
- ip6_sr_policy_t * policy;
- u32 * tunnel_indices = 0;
+ ip6_sr_main_t *sm = &sr_main;
+ uword *p;
+ ip6_sr_tunnel_t *t = 0;
+ ip6_sr_policy_t *policy;
+ u32 *tunnel_indices = 0;
int i;
- if (a->is_del)
- {
- p=hash_get_mem (sm->policy_index_by_policy_name, a->name);
- if (!p)
- return -6; /* policy name not found */
+ if (a->is_del)
+ {
+ p = hash_get_mem (sm->policy_index_by_policy_name, a->name);
+ if (!p)
+ return -6; /* policy name not found */
- policy = pool_elt_at_index(sm->policies, p[0]);
-
- vec_foreach_index (i, policy->tunnel_indices)
- {
- t = pool_elt_at_index (sm->tunnels, policy->tunnel_indices[i]);
- t->policy_index = ~0;
- }
- hash_unset_mem (sm->policy_index_by_policy_name, a->name);
- pool_put (sm->policies, policy);
- return 0;
- }
+ policy = pool_elt_at_index (sm->policies, p[0]);
+ vec_foreach_index (i, policy->tunnel_indices)
+ {
+ t = pool_elt_at_index (sm->tunnels, policy->tunnel_indices[i]);
+ t->policy_index = ~0;
+ }
+ hash_unset_mem (sm->policy_index_by_policy_name, a->name);
+ pool_put (sm->policies, policy);
+ return 0;
+ }
- if (!vec_len(a->tunnel_names))
- return -3; /*tunnel name is required case */
- vec_reset_length (tunnel_indices);
- /* Check tunnel names, add tunnel_index to policy */
- for (i=0; i < vec_len (a->tunnel_names); i++)
- {
- p = hash_get_mem (sm->tunnel_index_by_name, a->tunnel_names[i]);
- if (!p)
- return -4; /* tunnel name not found case */
-
- t = pool_elt_at_index (sm->tunnels, p[0]);
- /*
- No need to check t==0. -3 condition above ensures name
- */
- if (t->policy_index != ~0)
- return -5; /* tunnel name already associated with a policy */
-
- /* Add to tunnel indicies */
- vec_add1 (tunnel_indices, p[0]);
- }
-
- /* Add policy to ip6_sr_main_t */
- pool_get (sm->policies, policy);
- policy->name = a->name;
- policy->tunnel_indices = tunnel_indices;
- hash_set_mem (sm->policy_index_by_policy_name, policy->name, policy - sm->policies);
-
- /* Yes, this could be construed as overkill but the last thing you should do is set
- the policy_index on the tunnel after everything is set in ip6_sr_main_t.
- If this is deemed overly cautious, could set this in the vec_len(tunnel_names) loop.
- */
- for (i=0; i < vec_len(policy->tunnel_indices); i++)
- {
- t = pool_elt_at_index (sm->tunnels, policy->tunnel_indices[i]);
- t->policy_index = policy - sm->policies;
- }
+ if (!vec_len (a->tunnel_names))
+ return -3; /*tunnel name is required case */
- return 0;
+ vec_reset_length (tunnel_indices);
+ /* Check tunnel names, add tunnel_index to policy */
+ for (i = 0; i < vec_len (a->tunnel_names); i++)
+ {
+ p = hash_get_mem (sm->tunnel_index_by_name, a->tunnel_names[i]);
+ if (!p)
+ return -4; /* tunnel name not found case */
+
+ t = pool_elt_at_index (sm->tunnels, p[0]);
+ /*
+ No need to check t==0. -3 condition above ensures name
+ */
+ if (t->policy_index != ~0)
+ return -5; /* tunnel name already associated with a policy */
+
+ /* Add to tunnel indicies */
+ vec_add1 (tunnel_indices, p[0]);
+ }
+
+ /* Add policy to ip6_sr_main_t */
+ pool_get (sm->policies, policy);
+ policy->name = a->name;
+ policy->tunnel_indices = tunnel_indices;
+ hash_set_mem (sm->policy_index_by_policy_name, policy->name,
+ policy - sm->policies);
+
+ /* Yes, this could be construed as overkill but the last thing you should do is set
+ the policy_index on the tunnel after everything is set in ip6_sr_main_t.
+ If this is deemed overly cautious, could set this in the vec_len(tunnel_names) loop.
+ */
+ for (i = 0; i < vec_len (policy->tunnel_indices); i++)
+ {
+ t = pool_elt_at_index (sm->tunnels, policy->tunnel_indices[i]);
+ t->policy_index = policy - sm->policies;
+ }
+
+ return 0;
}
static clib_error_t *
sr_add_del_policy_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
int is_del = 0;
- u8 ** tunnel_names = 0;
- u8 * tunnel_name = 0;
- u8 * name = 0;
- ip6_sr_add_del_policy_args_t _a, *a=&_a;
+ u8 **tunnel_names = 0;
+ u8 *tunnel_name = 0;
+ u8 *name = 0;
+ ip6_sr_add_del_policy_args_t _a, *a = &_a;
int rv;
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "del"))
- is_del = 1;
+ is_del = 1;
else if (unformat (input, "name %s", &name))
;
else if (unformat (input, "tunnel %s", &tunnel_name))
tunnel_name = 0;
}
}
- else
- break;
+ else
+ break;
}
if (!name)
return clib_error_return (0, "name of SR policy required");
- memset(a, 0, sizeof(*a));
-
+ memset (a, 0, sizeof (*a));
+
a->is_del = is_del;
a->name = name;
a->tunnel_names = tunnel_names;
rv = ip6_sr_add_del_policy (a);
- vec_free(tunnel_names);
+ vec_free (tunnel_names);
switch (rv)
{
break;
case -3:
- return clib_error_return (0, "tunnel name to associate to SR policy is required");
-
+ return clib_error_return (0,
+ "tunnel name to associate to SR policy is required");
+
case -4:
return clib_error_return (0, "tunnel name not found");
return clib_error_return (0, "TODO: deleting policy name %s", name);
default:
- return clib_error_return (0, "BUG: ip6_sr_add_del_policy returns %d", rv);
-
+ return clib_error_return (0, "BUG: ip6_sr_add_del_policy returns %d",
+ rv);
+
}
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (sr_policy_command, static) = {
.path = "sr policy",
.short_help =
"sr policy [del] name <policy-name> tunnel <sr-tunnel-name> [tunnel <sr-tunnel-name>]*",
.function = sr_add_del_policy_command_fn,
};
+/* *INDENT-ON* */
static clib_error_t *
show_sr_policy_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- static ip6_sr_policy_t ** policies;
- ip6_sr_policy_t * policy;
- ip6_sr_tunnel_t * t;
- ip6_sr_main_t * sm = &sr_main;
+ static ip6_sr_policy_t **policies;
+ ip6_sr_policy_t *policy;
+ ip6_sr_tunnel_t *t;
+ ip6_sr_main_t *sm = &sr_main;
int i, j;
- uword * p = 0;
- u8 * name = 0;
+ uword *p = 0;
+ u8 *name = 0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "name %s", &name))
+ if (unformat (input, "name %s", &name))
{
- p=hash_get_mem (sm->policy_index_by_policy_name, name);
- if(!p)
- vlib_cli_output (vm, "policy with name %s not found. Showing all.", name);
- }
- else
- break;
+ p = hash_get_mem (sm->policy_index_by_policy_name, name);
+ if (!p)
+ vlib_cli_output (vm,
+ "policy with name %s not found. Showing all.",
+ name);
+ }
+ else
+ break;
}
vec_reset_length (policies);
- if(!p) /* Either name parm not passed or no policy with that name found, show all */
+ if (!p) /* Either name parm not passed or no policy with that name found, show all */
{
+ /* *INDENT-OFF* */
pool_foreach (policy, sm->policies,
({
vec_add1 (policies, policy);
}));
+ /* *INDENT-ON* */
}
- else /* Just show the one policy by name and a summary of tunnel names */
+ else /* Just show the one policy by name and a summary of tunnel names */
{
- policy = pool_elt_at_index(sm->policies, p[0]);
+ policy = pool_elt_at_index (sm->policies, p[0]);
vec_add1 (policies, policy);
}
for (i = 0; i < vec_len (policies); i++)
{
- policy = policies [i];
+ policy = policies[i];
- if(policy->name)
- vlib_cli_output (vm,"SR policy name: %s", (char *)policy->name);
- for(j = 0; j < vec_len (policy->tunnel_indices); j++)
+ if (policy->name)
+ vlib_cli_output (vm, "SR policy name: %s", (char *) policy->name);
+ for (j = 0; j < vec_len (policy->tunnel_indices); j++)
{
t = pool_elt_at_index (sm->tunnels, policy->tunnel_indices[j]);
ip6_sr_tunnel_display (vm, t);
}
}
-
+
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_sr_policy_command, static) = {
.path = "show sr policy",
.short_help = "show sr policy [name <sr-policy-name>]",
.function = show_sr_policy_fn,
};
+/* *INDENT-ON* */
-int ip6_sr_add_del_multicastmap (ip6_sr_add_del_multicastmap_args_t * a)
+int
+ip6_sr_add_del_multicastmap (ip6_sr_add_del_multicastmap_args_t * a)
{
- uword * p;
- ip6_main_t * im = &ip6_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- ip6_sr_tunnel_t * t;
- ip_adjacency_t adj, * ap, * add_adj = 0;
+ uword *p;
+ ip6_main_t *im = &ip6_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
+ ip6_sr_tunnel_t *t;
+ ip_adjacency_t adj, *ap, *add_adj = 0;
u32 adj_index;
- ip6_sr_main_t * sm = &sr_main;
+ ip6_sr_main_t *sm = &sr_main;
ip6_add_del_route_args_t aa;
- ip6_sr_policy_t * pt;
+ ip6_sr_policy_t *pt;
if (a->is_del)
{
/* clean up the adjacency */
- p = hash_get_mem (sm->policy_index_by_multicast_address, a->multicast_address);
+ p =
+ hash_get_mem (sm->policy_index_by_multicast_address,
+ a->multicast_address);
}
else
{
if (!p)
return -1;
- pt=pool_elt_at_index (sm->policies, p[0]);
+ pt = pool_elt_at_index (sm->policies, p[0]);
/*
Get the first tunnel associated with policy populate the fib adjacency.
From there, since this tunnel will have it's policy_index != ~0 it will
be the trigger in the dual_loop to pull up the policy and make a copy-rewrite
for each tunnel in the policy
- */
+ */
t = pool_elt_at_index (sm->tunnels, pt->tunnel_indices[0]);
/* Construct a FIB entry for multicast using the rx/tx fib from the first tunnel */
- memset(&adj, 0, sizeof (adj));
+ memset (&adj, 0, sizeof (adj));
/* Create an adjacency and add to v6 fib */
adj.lookup_next_index = sm->ip6_lookup_sr_replicate_index;
adj.explicit_fib_index = ~0;
-
- ap = ip_add_adjacency (lm, &adj, 1 /* one adj */,
+
+ ap = ip_add_adjacency (lm, &adj, 1 /* one adj */ ,
&adj_index);
/*
* at some point...
*/
ap->rewrite_header.sw_if_index = t - sm->tunnels;
-
+
vec_add1 (add_adj, ap[0]);
-
- memcpy (aa.dst_address.as_u8, a->multicast_address, sizeof (aa.dst_address.as_u8));
+
+ memcpy (aa.dst_address.as_u8, a->multicast_address,
+ sizeof (aa.dst_address.as_u8));
aa.dst_address_length = 128;
aa.flags = (a->is_del ? IP6_ROUTE_FLAG_DEL : IP6_ROUTE_FLAG_ADD);
ip6_add_del_route (im, &aa);
vec_free (add_adj);
- u8 * mcast_copy = 0;
+ u8 *mcast_copy = 0;
mcast_copy = vec_new (ip6_address_t, 1);
memcpy (mcast_copy, a->multicast_address, sizeof (ip6_address_t));
}
/* else */
- hash_set_mem (sm->policy_index_by_multicast_address, mcast_copy, pt - sm->policies);
-
+ hash_set_mem (sm->policy_index_by_multicast_address, mcast_copy,
+ pt - sm->policies);
+
return 0;
}
static clib_error_t *
sr_add_del_multicast_map_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
int is_del = 0;
ip6_address_t multicast_address;
- u8 * policy_name = 0;
+ u8 *policy_name = 0;
int multicast_address_set = 0;
- ip6_sr_add_del_multicastmap_args_t _a, *a=&_a;
+ ip6_sr_add_del_multicastmap_args_t _a, *a = &_a;
int rv;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "del"))
- is_del = 1;
- else if (unformat (input, "address %U", unformat_ip6_address, &multicast_address))
+ is_del = 1;
+ else
+ if (unformat
+ (input, "address %U", unformat_ip6_address, &multicast_address))
multicast_address_set = 1;
else if (unformat (input, "sr-policy %s", &policy_name))
- ;
- else
- break;
+ ;
+ else
+ break;
}
if (!is_del && !policy_name)
if (!multicast_address_set)
return clib_error_return (0, "multicast address required");
- memset(a, 0, sizeof(*a));
-
+ memset (a, 0, sizeof (*a));
+
a->is_del = is_del;
a->multicast_address = &multicast_address;
a->policy_name = policy_name;
-#if DPDK > 0 /*Cannot call replicate or configure multicast map yet without DPDK */
+#if DPDK > 0 /*Cannot call replicate or configure multicast map yet without DPDK */
rv = ip6_sr_add_del_multicastmap (a);
#else
- return clib_error_return (0, "cannot use multicast replicate spray case without DPDK installed");
+ return clib_error_return (0,
+ "cannot use multicast replicate spray case without DPDK installed");
#endif /* DPDK */
switch (rv)
return clib_error_return (0, "multicast map someting ");
case -3:
- return clib_error_return (0, "tunnel name to associate to SR policy is required");
-
+ return clib_error_return (0,
+ "tunnel name to associate to SR policy is required");
+
case -7:
- return clib_error_return (0, "TODO: deleting policy name %s", policy_name);
+ return clib_error_return (0, "TODO: deleting policy name %s",
+ policy_name);
default:
- return clib_error_return (0, "BUG: ip6_sr_add_del_policy returns %d", rv);
-
+ return clib_error_return (0, "BUG: ip6_sr_add_del_policy returns %d",
+ rv);
+
}
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (sr_multicast_map_command, static) = {
.path = "sr multicast-map",
.short_help =
"sr multicast-map address <multicast-ip6-address> sr-policy <sr-policy-name> [del]",
.function = sr_add_del_multicast_map_command_fn,
};
+/* *INDENT-ON* */
static clib_error_t *
show_sr_multicast_map_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- ip6_sr_main_t * sm = &sr_main;
- u8 * key = 0;
+ ip6_sr_main_t *sm = &sr_main;
+ u8 *key = 0;
u32 value;
ip6_address_t multicast_address;
- ip6_sr_policy_t * pt ;
+ ip6_sr_policy_t *pt;
/* pull all entries from the hash table into vector for display */
+ /* *INDENT-OFF* */
hash_foreach_mem (key, value, sm->policy_index_by_multicast_address,
({
if (!key)
}
}));
+ /* *INDENT-ON* */
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_sr_multicast_map_command, static) = {
.path = "show sr multicast-map",
.short_help = "show sr multicast-map",
.function = show_sr_multicast_map_fn,
};
+/* *INDENT-ON* */
#define foreach_sr_fix_dst_addr_next \
_(DROP, "error-drop")
-typedef enum {
+typedef enum
+{
#define _(s,n) SR_FIX_DST_ADDR_NEXT_##s,
-foreach_sr_fix_dst_addr_next
+ foreach_sr_fix_dst_addr_next
#undef _
- SR_FIX_DST_ADDR_N_NEXT,
+ SR_FIX_DST_ADDR_N_NEXT,
} sr_fix_dst_addr_next_t;
-static char * sr_fix_dst_error_strings[] = {
+static char *sr_fix_dst_error_strings[] = {
#define sr_fix_dst_error(n,s) s,
#include "sr_fix_dst_error.def"
#undef sr_fix_dst_error
};
-typedef enum {
+typedef enum
+{
#define sr_fix_dst_error(n,s) SR_FIX_DST_ERROR_##n,
#include "sr_fix_dst_error.def"
#undef sr_fix_dst_error
SR_FIX_DST_N_ERROR,
} sr_fix_dst_error_t;
-typedef struct {
+typedef struct
+{
ip6_address_t src, dst;
u32 next_index;
u32 adj_index;
u8 sr[256];
} sr_fix_addr_trace_t;
-u8 * format_sr_fix_addr_trace (u8 * s, va_list * args)
+u8 *
+format_sr_fix_addr_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 *);
- sr_fix_addr_trace_t * t = va_arg (*args, sr_fix_addr_trace_t *);
- vnet_hw_interface_t * hi = 0;
- ip_adjacency_t * adj;
- ip6_main_t * im = &ip6_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- vnet_main_t * vnm = vnet_get_main();
+ sr_fix_addr_trace_t *t = va_arg (*args, sr_fix_addr_trace_t *);
+ vnet_hw_interface_t *hi = 0;
+ ip_adjacency_t *adj;
+ ip6_main_t *im = &ip6_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
+ vnet_main_t *vnm = vnet_get_main ();
if (t->adj_index != ~0)
{
hi = vnet_get_sup_hw_interface (vnm, adj->rewrite_header.sw_if_index);
}
- s = format (s, "SR-FIX_ADDR: next %s ip6 src %U dst %U\n",
- (t->next_index == SR_FIX_DST_ADDR_NEXT_DROP)
- ? "drop" : "output",
- format_ip6_address, &t->src,
- format_ip6_address, &t->dst);
+ s = format (s, "SR-FIX_ADDR: next %s ip6 src %U dst %U\n",
+ (t->next_index == SR_FIX_DST_ADDR_NEXT_DROP)
+ ? "drop" : "output",
+ format_ip6_address, &t->src, format_ip6_address, &t->dst);
if (t->next_index != SR_FIX_DST_ADDR_NEXT_DROP)
{
- s = format (s, "%U\n", format_ip6_sr_header, t->sr, 1 /* print_hmac */);
- s = format (s, " output via %s", hi ? (char *)(hi->name)
- : "Invalid adj");
+ s =
+ format (s, "%U\n", format_ip6_sr_header, t->sr, 1 /* print_hmac */ );
+ s =
+ format (s, " output via %s",
+ hi ? (char *) (hi->name) : "Invalid adj");
}
return s;
}
static uword
sr_fix_dst_addr (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame)
{
- u32 n_left_from, next_index, * from, * to_next;
- ip6_main_t * im = &ip6_main;
- ip_lookup_main_t * lm = &im->lookup_main;
+ u32 n_left_from, next_index, *from, *to_next;
+ ip6_main_t *im = &ip6_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;
{
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);
#if 0
while (0 && n_left_from >= 4 && n_left_to_next >= 2)
{
u32 bi0, bi1;
- __attribute__((unused)) vlib_buffer_t * b0, * b1;
+ __attribute__ ((unused)) vlib_buffer_t *b0, *b1;
u32 next0 = SR_FIX_DST_ADDR_NEXT_DROP;
u32 next1 = SR_FIX_DST_ADDR_NEXT_DROP;
/* 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]);
-
+
vlib_prefetch_buffer_header (p2, LOAD);
vlib_prefetch_buffer_header (p3, LOAD);
}
vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
to_next, n_left_to_next,
bi0, bi1, next0, next1);
- }
+ }
#endif
while (n_left_from > 0 && n_left_to_next > 0)
{
u32 bi0;
- vlib_buffer_t * b0;
- ip6_header_t * ip0;
- ip_adjacency_t * adj0;
- ip6_sr_header_t * sr0;
+ vlib_buffer_t *b0;
+ ip6_header_t *ip0;
+ ip_adjacency_t *adj0;
+ ip6_sr_header_t *sr0;
u32 next0 = SR_FIX_DST_ADDR_NEXT_DROP;
- ip6_address_t *new_dst0;
- ethernet_header_t * eh0;
+ ip6_address_t *new_dst0;
+ ethernet_header_t *eh0;
bi0 = from[0];
to_next[0] = bi0;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
-
- adj0 = ip_get_adjacency (lm, vnet_buffer(b0)->ip.adj_index[VLIB_TX]);
- next0 = adj0->mcast_group_index;
-
- /* We should be pointing at an Ethernet header... */
- eh0 = vlib_buffer_get_current (b0);
- ip0 = (ip6_header_t *)(eh0+1);
- sr0 = (ip6_sr_header_t *) (ip0+1);
-
- /* We'd better find an SR header... */
- if (PREDICT_FALSE(ip0->protocol != IPPROTO_IPV6_ROUTE))
- {
- b0->error = node->errors[SR_FIX_DST_ERROR_NO_SR_HEADER];
- goto do_trace0;
- }
- else
- {
- /*
- * We get here from sr_rewrite or sr_local, with
- * sr->segments_left pointing at the (copy of the original) dst
- * address. Use it, then increment sr0->segments_left.
- */
-
- /* Out of segments? Turf the packet */
- if (PREDICT_FALSE (sr0->segments_left == 0))
- {
- b0->error = node->errors[SR_FIX_DST_ERROR_NO_MORE_SEGMENTS];
- goto do_trace0;
- }
-
- /*
- * Rewrite the packet with the original dst address
- * We assume that the last segment (in processing order) contains
- * the original dst address. The list is reversed, so sr0->segments
- * contains the original dst address.
- */
- new_dst0 = sr0->segments;
- ip0->dst_address.as_u64[0] = new_dst0->as_u64[0];
- ip0->dst_address.as_u64[1] = new_dst0->as_u64[1];
- }
-
- do_trace0:
-
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- sr_fix_addr_trace_t *t = vlib_add_trace (vm, node,
- b0, sizeof (*t));
- t->next_index = next0;
- t->adj_index = ~0;
-
- if (next0 != SR_FIX_DST_ADDR_NEXT_DROP)
- {
- t->adj_index = vnet_buffer(b0)->ip.adj_index[VLIB_TX];
- clib_memcpy (t->src.as_u8, ip0->src_address.as_u8,
- sizeof (t->src.as_u8));
- clib_memcpy (t->dst.as_u8, ip0->dst_address.as_u8,
- sizeof (t->dst.as_u8));
- clib_memcpy (t->sr, sr0, sizeof (t->sr));
- }
- }
+
+ adj0 =
+ ip_get_adjacency (lm, vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+ next0 = adj0->mcast_group_index;
+
+ /* We should be pointing at an Ethernet header... */
+ eh0 = vlib_buffer_get_current (b0);
+ ip0 = (ip6_header_t *) (eh0 + 1);
+ sr0 = (ip6_sr_header_t *) (ip0 + 1);
+
+ /* We'd better find an SR header... */
+ if (PREDICT_FALSE (ip0->protocol != IPPROTO_IPV6_ROUTE))
+ {
+ b0->error = node->errors[SR_FIX_DST_ERROR_NO_SR_HEADER];
+ goto do_trace0;
+ }
+ else
+ {
+ /*
+ * We get here from sr_rewrite or sr_local, with
+ * sr->segments_left pointing at the (copy of the original) dst
+ * address. Use it, then increment sr0->segments_left.
+ */
+
+ /* Out of segments? Turf the packet */
+ if (PREDICT_FALSE (sr0->segments_left == 0))
+ {
+ b0->error = node->errors[SR_FIX_DST_ERROR_NO_MORE_SEGMENTS];
+ goto do_trace0;
+ }
+
+ /*
+ * Rewrite the packet with the original dst address
+ * We assume that the last segment (in processing order) contains
+ * the original dst address. The list is reversed, so sr0->segments
+ * contains the original dst address.
+ */
+ new_dst0 = sr0->segments;
+ ip0->dst_address.as_u64[0] = new_dst0->as_u64[0];
+ ip0->dst_address.as_u64[1] = new_dst0->as_u64[1];
+ }
+
+ do_trace0:
+
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ sr_fix_addr_trace_t *t = vlib_add_trace (vm, node,
+ b0, sizeof (*t));
+ t->next_index = next0;
+ t->adj_index = ~0;
+
+ if (next0 != SR_FIX_DST_ADDR_NEXT_DROP)
+ {
+ t->adj_index = vnet_buffer (b0)->ip.adj_index[VLIB_TX];
+ clib_memcpy (t->src.as_u8, ip0->src_address.as_u8,
+ sizeof (t->src.as_u8));
+ clib_memcpy (t->dst.as_u8, ip0->dst_address.as_u8,
+ sizeof (t->dst.as_u8));
+ clib_memcpy (t->sr, sr0, sizeof (t->sr));
+ }
+ }
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (sr_fix_dst_addr_node) = {
.function = sr_fix_dst_addr,
.name = "sr-fix-dst-addr",
#undef _
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (sr_fix_dst_addr_node, sr_fix_dst_addr)
-
-static clib_error_t * sr_init (vlib_main_t * vm)
+ static clib_error_t *sr_init (vlib_main_t * vm)
{
- ip6_sr_main_t * sm = &sr_main;
- clib_error_t * error = 0;
- vlib_node_t * ip6_lookup_node, * ip6_rewrite_node;
+ ip6_sr_main_t *sm = &sr_main;
+ clib_error_t *error = 0;
+ vlib_node_t *ip6_lookup_node, *ip6_rewrite_node;
if ((error = vlib_call_init_function (vm, ip_main_init)))
return error;
return error;
sm->vlib_main = vm;
- sm->vnet_main = vnet_get_main();
-
+ sm->vnet_main = vnet_get_main ();
+
vec_validate (sm->hmac_keys, 0);
sm->hmac_keys[0].shared_secret = (u8 *) 0xdeadbeef;
- sm->tunnel_index_by_key =
+ sm->tunnel_index_by_key =
hash_create_mem (0, sizeof (ip6_sr_tunnel_key_t), sizeof (uword));
- sm->tunnel_index_by_name =
- hash_create_string (0, sizeof (uword));
+ sm->tunnel_index_by_name = hash_create_string (0, sizeof (uword));
- sm->policy_index_by_policy_name =
- hash_create_string(0, sizeof (uword));
+ sm->policy_index_by_policy_name = hash_create_string (0, sizeof (uword));
sm->policy_index_by_multicast_address =
hash_create_mem (0, sizeof (ip6_address_t), sizeof (uword));
- sm->hmac_key_by_shared_secret = hash_create_string (0, sizeof(uword));
+ sm->hmac_key_by_shared_secret = hash_create_string (0, sizeof (uword));
ip6_register_protocol (IPPROTO_IPV6_ROUTE, sr_local_node.index);
- ip6_lookup_node = vlib_get_node_by_name (vm, (u8 *)"ip6-lookup");
- ASSERT(ip6_lookup_node);
+ ip6_lookup_node = vlib_get_node_by_name (vm, (u8 *) "ip6-lookup");
+ ASSERT (ip6_lookup_node);
+
+ ip6_rewrite_node = vlib_get_node_by_name (vm, (u8 *) "ip6-rewrite");
+ ASSERT (ip6_rewrite_node);
- ip6_rewrite_node = vlib_get_node_by_name (vm, (u8 *)"ip6-rewrite");
- ASSERT(ip6_rewrite_node);
-
/* Add a disposition to ip6_lookup for the sr rewrite node */
- sm->ip6_lookup_sr_next_index =
+ sm->ip6_lookup_sr_next_index =
vlib_node_add_next (vm, ip6_lookup_node->index, sr_rewrite_node.index);
-#if DPDK > 0 /* Cannot run replicate without DPDK */
+#if DPDK > 0 /* Cannot run replicate without DPDK */
/* Add a disposition to sr_replicate for the sr multicast replicate node */
- sm->ip6_lookup_sr_replicate_index =
+ sm->ip6_lookup_sr_replicate_index =
vlib_node_add_next (vm, ip6_lookup_node->index, sr_replicate_node.index);
#endif /* DPDK */
/* Add a disposition to ip6_rewrite for the sr dst address hack node */
- sm->ip6_rewrite_sr_next_index =
- vlib_node_add_next (vm, ip6_rewrite_node->index,
- sr_fix_dst_addr_node.index);
+ sm->ip6_rewrite_sr_next_index =
+ vlib_node_add_next (vm, ip6_rewrite_node->index,
+ sr_fix_dst_addr_node.index);
- OpenSSL_add_all_digests();
+ OpenSSL_add_all_digests ();
sm->md = (void *) EVP_get_digestbyname ("sha1");
sm->hmac_ctx = clib_mem_alloc (sizeof (HMAC_CTX));
_ (ERROR, "error-drop") \
_ (IP6_LOOKUP, "ip6-lookup")
-typedef enum {
+typedef enum
+{
#define _(s,n) SR_LOCAL_NEXT_##s,
foreach_sr_local_next
#undef _
- SR_LOCAL_N_NEXT,
+ SR_LOCAL_N_NEXT,
} sr_local_next_t;
-typedef struct {
+typedef struct
+{
u8 next_index;
u8 sr_valid;
ip6_address_t src, dst;
u8 sr[256];
} sr_local_trace_t;
-static char * sr_local_error_strings[] = {
+static char *sr_local_error_strings[] = {
#define sr_error(n,s) s,
#include "sr_error.def"
#undef sr_error
};
-typedef enum {
+typedef enum
+{
#define sr_error(n,s) SR_LOCAL_ERROR_##n,
#include "sr_error.def"
#undef sr_error
SR_LOCAL_N_ERROR,
} sr_local_error_t;
-u8 * format_sr_local_trace (u8 * s, va_list * args)
+u8 *
+format_sr_local_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 *);
- sr_local_trace_t * t = va_arg (*args, sr_local_trace_t *);
-
- s = format (s, "SR-LOCAL: src %U dst %U len %u next_index %d",
- format_ip6_address, &t->src,
- format_ip6_address, &t->dst, t->length, t->next_index);
+ sr_local_trace_t *t = va_arg (*args, sr_local_trace_t *);
+
+ s = format (s, "SR-LOCAL: src %U dst %U len %u next_index %d",
+ format_ip6_address, &t->src,
+ format_ip6_address, &t->dst, t->length, t->next_index);
if (t->sr_valid)
- s = format (s, "\n %U", format_ip6_sr_header, t->sr, 1 /* print_hmac */);
+ s =
+ format (s, "\n %U", format_ip6_sr_header, t->sr, 1 /* print_hmac */ );
else
s = format (s, "\n popped SR header");
/* $$$$ fixme: smp, don't copy data, cache input, output (maybe) */
-static int sr_validate_hmac (ip6_sr_main_t * sm, ip6_header_t * ip,
- ip6_sr_header_t * sr)
+static int
+sr_validate_hmac (ip6_sr_main_t * sm, ip6_header_t * ip, ip6_sr_header_t * sr)
{
u32 key_index;
- static u8 * keybuf;
- u8 * copy_target;
+ static u8 *keybuf;
+ u8 *copy_target;
int first_segment;
ip6_address_t *addrp;
int i;
- ip6_sr_hmac_key_t * hmac_key;
- static u8 * signature;
+ ip6_sr_hmac_key_t *hmac_key;
+ static u8 *signature;
u32 sig_len;
key_index = sr->hmac_key;
if (key_index >= vec_len (sm->hmac_keys))
return 1;
- vec_validate (signature, SHA256_DIGEST_LENGTH-1);
+ vec_validate (signature, SHA256_DIGEST_LENGTH - 1);
hmac_key = sm->hmac_keys + key_index;
/* octet w/ bit 0 = "clean" flag */
vec_add2 (keybuf, copy_target, 1);
- copy_target[0]
- = (sr->flags & clib_host_to_net_u16 (IP6_SR_HEADER_FLAG_CLEANUP))
+ copy_target[0]
+ = (sr->flags & clib_host_to_net_u16 (IP6_SR_HEADER_FLAG_CLEANUP))
? 0x80 : 0;
/* hmac key id */
}
if (sm->is_debug)
- clib_warning ("verify key index %d keybuf: %U", key_index,
- format_hex_bytes, keybuf, vec_len(keybuf));
+ clib_warning ("verify key index %d keybuf: %U", key_index,
+ format_hex_bytes, keybuf, vec_len (keybuf));
/* shared secret */
/* SHA1 is shorter than SHA-256 */
- memset (signature, 0, vec_len(signature));
-
- HMAC_CTX_init(sm->hmac_ctx);
- if (!HMAC_Init(sm->hmac_ctx, hmac_key->shared_secret,
- vec_len(hmac_key->shared_secret),sm->md))
- clib_warning ("barf1");
- if (!HMAC_Update(sm->hmac_ctx,keybuf,vec_len(keybuf)))
- clib_warning ("barf2");
- if (!HMAC_Final(sm->hmac_ctx,signature,&sig_len))
- clib_warning ("barf3");
- HMAC_CTX_cleanup(sm->hmac_ctx);
+ memset (signature, 0, vec_len (signature));
+
+ HMAC_CTX_init (sm->hmac_ctx);
+ if (!HMAC_Init (sm->hmac_ctx, hmac_key->shared_secret,
+ vec_len (hmac_key->shared_secret), sm->md))
+ clib_warning ("barf1");
+ if (!HMAC_Update (sm->hmac_ctx, keybuf, vec_len (keybuf)))
+ clib_warning ("barf2");
+ if (!HMAC_Final (sm->hmac_ctx, signature, &sig_len))
+ clib_warning ("barf3");
+ HMAC_CTX_cleanup (sm->hmac_ctx);
if (sm->is_debug)
- clib_warning ("computed signature len %d, value %U", sig_len,
- format_hex_bytes, signature, vec_len(signature));
+ clib_warning ("computed signature len %d, value %U", sig_len,
+ format_hex_bytes, signature, vec_len (signature));
/* Point at the SHA signature in the packet */
addrp++;
if (sm->is_debug)
- clib_warning ("read signature %U", format_hex_bytes, addrp,
- SHA256_DIGEST_LENGTH);
+ clib_warning ("read signature %U", format_hex_bytes, addrp,
+ SHA256_DIGEST_LENGTH);
return memcmp (signature, addrp, SHA256_DIGEST_LENGTH);
}
static uword
sr_local (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+ vlib_node_runtime_t * node, vlib_frame_t * from_frame)
{
- u32 n_left_from, next_index, * from, * to_next;
- ip6_sr_main_t * sm = &sr_main;
+ u32 n_left_from, next_index, *from, *to_next;
+ ip6_sr_main_t *sm = &sr_main;
u32 (*sr_local_cb) (vlib_main_t *, vlib_node_runtime_t *,
- vlib_buffer_t *, ip6_header_t *,
- ip6_sr_header_t *);
+ vlib_buffer_t *, ip6_header_t *, ip6_sr_header_t *);
sr_local_cb = sm->sr_local_cb;
from = vlib_frame_vector_args (from_frame);
{
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;
- ip6_header_t * ip0, *ip1;
- ip6_sr_header_t * sr0, *sr1;
- ip6_address_t * new_dst0, * new_dst1;
+ vlib_buffer_t *b0, *b1;
+ ip6_header_t *ip0, *ip1;
+ ip6_sr_header_t *sr0, *sr1;
+ ip6_address_t *new_dst0, *new_dst1;
u32 next0 = SR_LOCAL_NEXT_IP6_LOOKUP;
u32 next1 = SR_LOCAL_NEXT_IP6_LOOKUP;
/* 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]);
vlib_prefetch_buffer_header (p2, LOAD);
vlib_prefetch_buffer_header (p3, LOAD);
- CLIB_PREFETCH (p2->data, 2*CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (p3->data, 2*CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (p2->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (p3->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
}
bi0 = from[0];
b0 = vlib_get_buffer (vm, bi0);
- ip0 = vlib_buffer_get_current (b0);
- sr0 = (ip6_sr_header_t *)(ip0+1);
-
- if (PREDICT_FALSE(sr0->type != ROUTING_HEADER_TYPE_SR))
- {
- next0 = SR_LOCAL_NEXT_ERROR;
- b0->error = node->errors[SR_LOCAL_ERROR_BAD_ROUTING_HEADER_TYPE];
- goto do_trace0;
- }
-
- /* Out of segments? Turf the packet */
- if (PREDICT_FALSE (sr0->segments_left == 0))
- {
- next0 = SR_LOCAL_NEXT_ERROR;
- b0->error = node->errors[SR_LOCAL_ERROR_NO_MORE_SEGMENTS];
- goto do_trace0;
- }
-
- if (PREDICT_FALSE(sm->validate_hmac))
- {
- if (sr_validate_hmac (sm, ip0, sr0))
- {
- next0 = SR_LOCAL_NEXT_ERROR;
- b0->error = node->errors[SR_LOCAL_ERROR_HMAC_INVALID];
- goto do_trace0;
- }
- }
-
- next0 = sr_local_cb ? sr_local_cb (vm, node, b0, ip0, sr0) :
- next0;
-
- /*
- * To suppress rewrite, return ~SR_LOCAL_NEXT_xxx
- */
- if (PREDICT_FALSE (next0 & 0x80000000))
- {
- next0 ^= 0xFFFFFFFF;
- if (PREDICT_FALSE(next0 == SR_LOCAL_NEXT_ERROR))
- b0->error =
- node->errors[SR_LOCAL_ERROR_APP_CALLBACK];
- }
- else
- {
- u32 segment_index0;
-
- segment_index0 = sr0->segments_left - 1;
-
- /* Rewrite the packet */
- new_dst0 = (ip6_address_t *)(sr0->segments + segment_index0);
- ip0->dst_address.as_u64[0] = new_dst0->as_u64[0];
- ip0->dst_address.as_u64[1] = new_dst0->as_u64[1];
-
- if (PREDICT_TRUE (sr0->segments_left > 0))
- sr0->segments_left -= 1;
- }
-
- /* End of the path. Clean up the SR header, or not */
- if (PREDICT_FALSE
- (sr0->segments_left == 0 &&
- (sr0->flags & clib_host_to_net_u16(IP6_SR_HEADER_FLAG_CLEANUP))))
- {
- u64 *copy_dst0, *copy_src0;
- u16 new_l0;
- /*
- * Copy the ip6 header right by the (real) length of the
- * sr header. Here's another place which assumes that
- * the sr header is the only extention header.
- */
-
- ip0->protocol = sr0->protocol;
- vlib_buffer_advance (b0, (sr0->length+1)*8);
-
- new_l0 = clib_net_to_host_u16(ip0->payload_length) -
- (sr0->length+1)*8;
- ip0->payload_length = clib_host_to_net_u16(new_l0);
-
- copy_src0 = (u64 *)ip0;
- copy_dst0 = copy_src0 + (sr0->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];
-
- sr0 = 0;
- }
-
- do_trace0:
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- sr_local_trace_t *tr = vlib_add_trace (vm, node,
- b0, sizeof (*tr));
- clib_memcpy (tr->src.as_u8, ip0->src_address.as_u8,
- sizeof (tr->src.as_u8));
- clib_memcpy (tr->dst.as_u8, ip0->dst_address.as_u8,
- sizeof (tr->dst.as_u8));
- tr->length = vlib_buffer_length_in_chain (vm, b0);
- tr->next_index = next0;
- tr->sr_valid = sr0 != 0;
- if (tr->sr_valid)
- clib_memcpy (tr->sr, sr0, sizeof (tr->sr));
- }
+ ip0 = vlib_buffer_get_current (b0);
+ sr0 = (ip6_sr_header_t *) (ip0 + 1);
+
+ if (PREDICT_FALSE (sr0->type != ROUTING_HEADER_TYPE_SR))
+ {
+ next0 = SR_LOCAL_NEXT_ERROR;
+ b0->error =
+ node->errors[SR_LOCAL_ERROR_BAD_ROUTING_HEADER_TYPE];
+ goto do_trace0;
+ }
+
+ /* Out of segments? Turf the packet */
+ if (PREDICT_FALSE (sr0->segments_left == 0))
+ {
+ next0 = SR_LOCAL_NEXT_ERROR;
+ b0->error = node->errors[SR_LOCAL_ERROR_NO_MORE_SEGMENTS];
+ goto do_trace0;
+ }
+
+ if (PREDICT_FALSE (sm->validate_hmac))
+ {
+ if (sr_validate_hmac (sm, ip0, sr0))
+ {
+ next0 = SR_LOCAL_NEXT_ERROR;
+ b0->error = node->errors[SR_LOCAL_ERROR_HMAC_INVALID];
+ goto do_trace0;
+ }
+ }
+
+ next0 = sr_local_cb ? sr_local_cb (vm, node, b0, ip0, sr0) : next0;
+
+ /*
+ * To suppress rewrite, return ~SR_LOCAL_NEXT_xxx
+ */
+ if (PREDICT_FALSE (next0 & 0x80000000))
+ {
+ next0 ^= 0xFFFFFFFF;
+ if (PREDICT_FALSE (next0 == SR_LOCAL_NEXT_ERROR))
+ b0->error = node->errors[SR_LOCAL_ERROR_APP_CALLBACK];
+ }
+ else
+ {
+ u32 segment_index0;
+
+ segment_index0 = sr0->segments_left - 1;
+
+ /* Rewrite the packet */
+ new_dst0 = (ip6_address_t *) (sr0->segments + segment_index0);
+ ip0->dst_address.as_u64[0] = new_dst0->as_u64[0];
+ ip0->dst_address.as_u64[1] = new_dst0->as_u64[1];
+
+ if (PREDICT_TRUE (sr0->segments_left > 0))
+ sr0->segments_left -= 1;
+ }
+
+ /* End of the path. Clean up the SR header, or not */
+ if (PREDICT_FALSE
+ (sr0->segments_left == 0 &&
+ (sr0->flags &
+ clib_host_to_net_u16 (IP6_SR_HEADER_FLAG_CLEANUP))))
+ {
+ u64 *copy_dst0, *copy_src0;
+ u16 new_l0;
+ /*
+ * Copy the ip6 header right by the (real) length of the
+ * sr header. Here's another place which assumes that
+ * the sr header is the only extention header.
+ */
+
+ ip0->protocol = sr0->protocol;
+ vlib_buffer_advance (b0, (sr0->length + 1) * 8);
+
+ new_l0 = clib_net_to_host_u16 (ip0->payload_length) -
+ (sr0->length + 1) * 8;
+ ip0->payload_length = clib_host_to_net_u16 (new_l0);
+
+ copy_src0 = (u64 *) ip0;
+ copy_dst0 = copy_src0 + (sr0->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];
+
+ sr0 = 0;
+ }
+
+ do_trace0:
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ sr_local_trace_t *tr = vlib_add_trace (vm, node,
+ b0, sizeof (*tr));
+ clib_memcpy (tr->src.as_u8, ip0->src_address.as_u8,
+ sizeof (tr->src.as_u8));
+ clib_memcpy (tr->dst.as_u8, ip0->dst_address.as_u8,
+ sizeof (tr->dst.as_u8));
+ tr->length = vlib_buffer_length_in_chain (vm, b0);
+ tr->next_index = next0;
+ tr->sr_valid = sr0 != 0;
+ if (tr->sr_valid)
+ clib_memcpy (tr->sr, sr0, sizeof (tr->sr));
+ }
b1 = vlib_get_buffer (vm, bi1);
- ip1 = vlib_buffer_get_current (b1);
- sr1 = (ip6_sr_header_t *)(ip1+1);
-
- if (PREDICT_FALSE(sr1->type != ROUTING_HEADER_TYPE_SR))
- {
- next1 = SR_LOCAL_NEXT_ERROR;
- b1->error = node->errors[SR_LOCAL_ERROR_BAD_ROUTING_HEADER_TYPE];
- goto do_trace1;
- }
-
- /* Out of segments? Turf the packet */
- if (PREDICT_FALSE (sr1->segments_left == 0))
- {
- next1 = SR_LOCAL_NEXT_ERROR;
- b1->error = node->errors[SR_LOCAL_ERROR_NO_MORE_SEGMENTS];
- goto do_trace1;
- }
-
- if (PREDICT_FALSE(sm->validate_hmac))
- {
- if (sr_validate_hmac (sm, ip1, sr1))
- {
- next1 = SR_LOCAL_NEXT_ERROR;
- b1->error = node->errors[SR_LOCAL_ERROR_HMAC_INVALID];
- goto do_trace1;
- }
- }
-
- next1 = sr_local_cb ? sr_local_cb (vm, node, b1, ip1, sr1) :
- next1;
-
- /*
- * To suppress rewrite, return ~SR_LOCAL_NEXT_xxx
- */
- if (PREDICT_FALSE (next1 & 0x80000000))
- {
- next1 ^= 0xFFFFFFFF;
- if (PREDICT_FALSE(next1 == SR_LOCAL_NEXT_ERROR))
- b1->error =
- node->errors[SR_LOCAL_ERROR_APP_CALLBACK];
- }
- else
- {
- u32 segment_index1;
-
- segment_index1 = sr1->segments_left - 1;
-
- /* Rewrite the packet */
- new_dst1 = (ip6_address_t *)(sr1->segments + segment_index1);
- ip1->dst_address.as_u64[0] = new_dst1->as_u64[0];
- ip1->dst_address.as_u64[1] = new_dst1->as_u64[1];
-
- if (PREDICT_TRUE (sr1->segments_left > 0))
- sr1->segments_left -= 1;
- }
-
- /* End of the path. Clean up the SR header, or not */
- if (PREDICT_FALSE
- (sr1->segments_left == 0 &&
- (sr1->flags & clib_host_to_net_u16(IP6_SR_HEADER_FLAG_CLEANUP))))
- {
- u64 *copy_dst1, *copy_src1;
- u16 new_l1;
- /*
- * Copy the ip6 header right by the (real) length of the
- * sr header. Here's another place which assumes that
- * the sr header is the only extention header.
- */
-
- ip1->protocol = sr1->protocol;
- vlib_buffer_advance (b1, (sr1->length+1)*8);
-
- new_l1 = clib_net_to_host_u16(ip1->payload_length) -
- (sr1->length+1)*8;
- ip1->payload_length = clib_host_to_net_u16(new_l1);
-
- copy_src1 = (u64 *)ip1;
- copy_dst1 = copy_src1 + (sr1->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];
-
- sr1 = 0;
- }
-
- do_trace1:
- if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED))
- {
- sr_local_trace_t *tr = vlib_add_trace (vm, node,
- b1, sizeof (*tr));
- clib_memcpy (tr->src.as_u8, ip1->src_address.as_u8,
- sizeof (tr->src.as_u8));
- clib_memcpy (tr->dst.as_u8, ip1->dst_address.as_u8,
- sizeof (tr->dst.as_u8));
- tr->length = vlib_buffer_length_in_chain (vm, b1);
- tr->next_index = next1;
- tr->sr_valid = sr1 != 0;
- if (tr->sr_valid)
- clib_memcpy (tr->sr, sr1, sizeof (tr->sr));
- }
+ ip1 = vlib_buffer_get_current (b1);
+ sr1 = (ip6_sr_header_t *) (ip1 + 1);
+
+ if (PREDICT_FALSE (sr1->type != ROUTING_HEADER_TYPE_SR))
+ {
+ next1 = SR_LOCAL_NEXT_ERROR;
+ b1->error =
+ node->errors[SR_LOCAL_ERROR_BAD_ROUTING_HEADER_TYPE];
+ goto do_trace1;
+ }
+
+ /* Out of segments? Turf the packet */
+ if (PREDICT_FALSE (sr1->segments_left == 0))
+ {
+ next1 = SR_LOCAL_NEXT_ERROR;
+ b1->error = node->errors[SR_LOCAL_ERROR_NO_MORE_SEGMENTS];
+ goto do_trace1;
+ }
+
+ if (PREDICT_FALSE (sm->validate_hmac))
+ {
+ if (sr_validate_hmac (sm, ip1, sr1))
+ {
+ next1 = SR_LOCAL_NEXT_ERROR;
+ b1->error = node->errors[SR_LOCAL_ERROR_HMAC_INVALID];
+ goto do_trace1;
+ }
+ }
+
+ next1 = sr_local_cb ? sr_local_cb (vm, node, b1, ip1, sr1) : next1;
+
+ /*
+ * To suppress rewrite, return ~SR_LOCAL_NEXT_xxx
+ */
+ if (PREDICT_FALSE (next1 & 0x80000000))
+ {
+ next1 ^= 0xFFFFFFFF;
+ if (PREDICT_FALSE (next1 == SR_LOCAL_NEXT_ERROR))
+ b1->error = node->errors[SR_LOCAL_ERROR_APP_CALLBACK];
+ }
+ else
+ {
+ u32 segment_index1;
+
+ segment_index1 = sr1->segments_left - 1;
+
+ /* Rewrite the packet */
+ new_dst1 = (ip6_address_t *) (sr1->segments + segment_index1);
+ ip1->dst_address.as_u64[0] = new_dst1->as_u64[0];
+ ip1->dst_address.as_u64[1] = new_dst1->as_u64[1];
+
+ if (PREDICT_TRUE (sr1->segments_left > 0))
+ sr1->segments_left -= 1;
+ }
+
+ /* End of the path. Clean up the SR header, or not */
+ if (PREDICT_FALSE
+ (sr1->segments_left == 0 &&
+ (sr1->flags &
+ clib_host_to_net_u16 (IP6_SR_HEADER_FLAG_CLEANUP))))
+ {
+ u64 *copy_dst1, *copy_src1;
+ u16 new_l1;
+ /*
+ * Copy the ip6 header right by the (real) length of the
+ * sr header. Here's another place which assumes that
+ * the sr header is the only extention header.
+ */
+
+ ip1->protocol = sr1->protocol;
+ vlib_buffer_advance (b1, (sr1->length + 1) * 8);
+
+ new_l1 = clib_net_to_host_u16 (ip1->payload_length) -
+ (sr1->length + 1) * 8;
+ ip1->payload_length = clib_host_to_net_u16 (new_l1);
+
+ copy_src1 = (u64 *) ip1;
+ copy_dst1 = copy_src1 + (sr1->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];
+
+ sr1 = 0;
+ }
+
+ do_trace1:
+ if (PREDICT_FALSE (b1->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ sr_local_trace_t *tr = vlib_add_trace (vm, node,
+ b1, sizeof (*tr));
+ clib_memcpy (tr->src.as_u8, ip1->src_address.as_u8,
+ sizeof (tr->src.as_u8));
+ clib_memcpy (tr->dst.as_u8, ip1->dst_address.as_u8,
+ sizeof (tr->dst.as_u8));
+ tr->length = vlib_buffer_length_in_chain (vm, b1);
+ tr->next_index = next1;
+ tr->sr_valid = sr1 != 0;
+ if (tr->sr_valid)
+ clib_memcpy (tr->sr, sr1, sizeof (tr->sr));
+ }
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;
- ip6_header_t * ip0 = 0;
- ip6_sr_header_t * sr0;
- ip6_address_t * new_dst0;
+ vlib_buffer_t *b0;
+ ip6_header_t *ip0 = 0;
+ ip6_sr_header_t *sr0;
+ ip6_address_t *new_dst0;
u32 next0 = SR_LOCAL_NEXT_IP6_LOOKUP;
bi0 = from[0];
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- ip0 = vlib_buffer_get_current (b0);
- sr0 = (ip6_sr_header_t *)(ip0+1);
-
- if (PREDICT_FALSE(sr0->type != ROUTING_HEADER_TYPE_SR))
- {
- next0 = SR_LOCAL_NEXT_ERROR;
- b0->error = node->errors[SR_LOCAL_ERROR_BAD_ROUTING_HEADER_TYPE];
- goto do_trace;
- }
-
- /* Out of segments? Turf the packet */
- if (PREDICT_FALSE (sr0->segments_left == 0))
- {
- next0 = SR_LOCAL_NEXT_ERROR;
- b0->error = node->errors[SR_LOCAL_ERROR_NO_MORE_SEGMENTS];
- goto do_trace;
- }
-
- if (PREDICT_FALSE(sm->validate_hmac))
- {
- if (sr_validate_hmac (sm, ip0, sr0))
- {
- next0 = SR_LOCAL_NEXT_ERROR;
- b0->error = node->errors[SR_LOCAL_ERROR_HMAC_INVALID];
- goto do_trace;
- }
- }
-
- next0 = sr_local_cb ? sr_local_cb (vm, node, b0, ip0, sr0) :
- next0;
-
- /*
- * To suppress rewrite, return ~SR_LOCAL_NEXT_xxx
- */
- if (PREDICT_FALSE (next0 & 0x80000000))
- {
- next0 ^= 0xFFFFFFFF;
- if (PREDICT_FALSE(next0 == SR_LOCAL_NEXT_ERROR))
- b0->error =
- node->errors[SR_LOCAL_ERROR_APP_CALLBACK];
- }
- else
- {
- u32 segment_index0;
-
- segment_index0 = sr0->segments_left - 1;
-
- /* Rewrite the packet */
- new_dst0 = (ip6_address_t *)(sr0->segments + segment_index0);
- ip0->dst_address.as_u64[0] = new_dst0->as_u64[0];
- ip0->dst_address.as_u64[1] = new_dst0->as_u64[1];
-
- if (PREDICT_TRUE (sr0->segments_left > 0))
- sr0->segments_left -= 1;
- }
-
- /* End of the path. Clean up the SR header, or not */
- if (PREDICT_FALSE
- (sr0->segments_left == 0 &&
- (sr0->flags & clib_host_to_net_u16(IP6_SR_HEADER_FLAG_CLEANUP))))
- {
- u64 *copy_dst0, *copy_src0;
- u16 new_l0;
- /*
- * Copy the ip6 header right by the (real) length of the
- * sr header. Here's another place which assumes that
- * the sr header is the only extention header.
- */
-
- ip0->protocol = sr0->protocol;
- vlib_buffer_advance (b0, (sr0->length+1)*8);
-
- new_l0 = clib_net_to_host_u16(ip0->payload_length) -
- (sr0->length+1)*8;
- ip0->payload_length = clib_host_to_net_u16(new_l0);
-
- copy_src0 = (u64 *)ip0;
- copy_dst0 = copy_src0 + (sr0->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];
-
- sr0 = 0;
- }
-
- do_trace:
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- sr_local_trace_t *tr = vlib_add_trace (vm, node,
- b0, sizeof (*tr));
- clib_memcpy (tr->src.as_u8, ip0->src_address.as_u8,
- sizeof (tr->src.as_u8));
- clib_memcpy (tr->dst.as_u8, ip0->dst_address.as_u8,
- sizeof (tr->dst.as_u8));
- tr->length = vlib_buffer_length_in_chain (vm, b0);
- tr->next_index = next0;
- tr->sr_valid = sr0 != 0;
- if (tr->sr_valid)
- clib_memcpy (tr->sr, sr0, sizeof (tr->sr));
- }
+ ip0 = vlib_buffer_get_current (b0);
+ sr0 = (ip6_sr_header_t *) (ip0 + 1);
+
+ if (PREDICT_FALSE (sr0->type != ROUTING_HEADER_TYPE_SR))
+ {
+ next0 = SR_LOCAL_NEXT_ERROR;
+ b0->error =
+ node->errors[SR_LOCAL_ERROR_BAD_ROUTING_HEADER_TYPE];
+ goto do_trace;
+ }
+
+ /* Out of segments? Turf the packet */
+ if (PREDICT_FALSE (sr0->segments_left == 0))
+ {
+ next0 = SR_LOCAL_NEXT_ERROR;
+ b0->error = node->errors[SR_LOCAL_ERROR_NO_MORE_SEGMENTS];
+ goto do_trace;
+ }
+
+ if (PREDICT_FALSE (sm->validate_hmac))
+ {
+ if (sr_validate_hmac (sm, ip0, sr0))
+ {
+ next0 = SR_LOCAL_NEXT_ERROR;
+ b0->error = node->errors[SR_LOCAL_ERROR_HMAC_INVALID];
+ goto do_trace;
+ }
+ }
+
+ next0 = sr_local_cb ? sr_local_cb (vm, node, b0, ip0, sr0) : next0;
+
+ /*
+ * To suppress rewrite, return ~SR_LOCAL_NEXT_xxx
+ */
+ if (PREDICT_FALSE (next0 & 0x80000000))
+ {
+ next0 ^= 0xFFFFFFFF;
+ if (PREDICT_FALSE (next0 == SR_LOCAL_NEXT_ERROR))
+ b0->error = node->errors[SR_LOCAL_ERROR_APP_CALLBACK];
+ }
+ else
+ {
+ u32 segment_index0;
+
+ segment_index0 = sr0->segments_left - 1;
+
+ /* Rewrite the packet */
+ new_dst0 = (ip6_address_t *) (sr0->segments + segment_index0);
+ ip0->dst_address.as_u64[0] = new_dst0->as_u64[0];
+ ip0->dst_address.as_u64[1] = new_dst0->as_u64[1];
+
+ if (PREDICT_TRUE (sr0->segments_left > 0))
+ sr0->segments_left -= 1;
+ }
+
+ /* End of the path. Clean up the SR header, or not */
+ if (PREDICT_FALSE
+ (sr0->segments_left == 0 &&
+ (sr0->flags &
+ clib_host_to_net_u16 (IP6_SR_HEADER_FLAG_CLEANUP))))
+ {
+ u64 *copy_dst0, *copy_src0;
+ u16 new_l0;
+ /*
+ * Copy the ip6 header right by the (real) length of the
+ * sr header. Here's another place which assumes that
+ * the sr header is the only extention header.
+ */
+
+ ip0->protocol = sr0->protocol;
+ vlib_buffer_advance (b0, (sr0->length + 1) * 8);
+
+ new_l0 = clib_net_to_host_u16 (ip0->payload_length) -
+ (sr0->length + 1) * 8;
+ ip0->payload_length = clib_host_to_net_u16 (new_l0);
+
+ copy_src0 = (u64 *) ip0;
+ copy_dst0 = copy_src0 + (sr0->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];
+
+ sr0 = 0;
+ }
+
+ do_trace:
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ sr_local_trace_t *tr = vlib_add_trace (vm, node,
+ b0, sizeof (*tr));
+ clib_memcpy (tr->src.as_u8, ip0->src_address.as_u8,
+ sizeof (tr->src.as_u8));
+ clib_memcpy (tr->dst.as_u8, ip0->dst_address.as_u8,
+ sizeof (tr->dst.as_u8));
+ tr->length = vlib_buffer_length_in_chain (vm, b0);
+ tr->next_index = next0;
+ tr->sr_valid = sr0 != 0;
+ if (tr->sr_valid)
+ clib_memcpy (tr->sr, sr0, sizeof (tr->sr));
+ }
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
to_next, n_left_to_next,
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
vlib_node_increment_counter (vm, sr_local_node.index,
- SR_LOCAL_ERROR_PKTS_PROCESSED,
- from_frame->n_vectors);
+ SR_LOCAL_ERROR_PKTS_PROCESSED,
+ from_frame->n_vectors);
return from_frame->n_vectors;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (sr_local_node, static) = {
.function = sr_local,
.name = "sr-local",
#undef _
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (sr_local_node, sr_local)
-
-ip6_sr_main_t * sr_get_main (vlib_main_t * vm)
+ ip6_sr_main_t *sr_get_main (vlib_main_t * vm)
{
vlib_call_init_function (vm, sr_init);
- ASSERT(sr_local_node.index);
+ ASSERT (sr_local_node.index);
return &sr_main;
}
static clib_error_t *
set_ip6_sr_rewrite_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 a;
- ip6_main_t * im = &ip6_main;
- ip_lookup_main_t * lm = &im->lookup_main;
+ ip6_main_t *im = &ip6_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
u32 fib_index = 0;
u32 fib_id = 0;
u32 adj_index;
- uword * p;
- ip_adjacency_t * adj;
- vnet_hw_interface_t * hi;
+ uword *p;
+ ip_adjacency_t *adj;
+ vnet_hw_interface_t *hi;
u32 sw_if_index;
- ip6_sr_main_t * sm = &sr_main;
- vnet_main_t * vnm = vnet_get_main();
+ ip6_sr_main_t *sm = &sr_main;
+ vnet_main_t *vnm = vnet_get_main ();
if (!unformat (input, "%U", unformat_ip6_address, &a))
- return clib_error_return (0, "ip6 address missing in '%U'",
- format_unformat_error, input);
+ return clib_error_return (0, "ip6 address missing in '%U'",
+ format_unformat_error, input);
if (unformat (input, "rx-table-id %d", &fib_id))
{
p = hash_get (im->fib_index_by_table_id, fib_id);
if (p == 0)
- return clib_error_return (0, "fib-id %d not found");
+ return clib_error_return (0, "fib-id %d not found");
fib_index = p[0];
}
adj_index = ip6_fib_lookup_with_table (im, fib_index, &a);
if (adj_index == lm->miss_adj_index)
- return clib_error_return (0, "no match for %U",
- format_ip6_address, &a);
+ return clib_error_return (0, "no match for %U", format_ip6_address, &a);
adj = ip_get_adjacency (lm, adj_index);
if (adj->lookup_next_index != IP_LOOKUP_NEXT_REWRITE)
return clib_error_return (0, "%U unresolved (not a rewrite adj)",
- format_ip6_address, &a);
+ format_ip6_address, &a);
adj->rewrite_header.next_index = sm->ip6_rewrite_sr_next_index;
adj->rewrite_header.node_index = sr_fix_dst_addr_node.index;
/* $$$$$ hack... steal the mcast group index */
- adj->mcast_group_index =
- vlib_node_add_next (vm, sr_fix_dst_addr_node.index, hi->output_node_index);
-
+ adj->mcast_group_index =
+ vlib_node_add_next (vm, sr_fix_dst_addr_node.index,
+ hi->output_node_index);
+
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (set_ip6_sr_rewrite, static) = {
.path = "set ip6 sr rewrite",
.short_help = "set ip6 sr rewrite <ip6-address> [fib-id <id>]",
.function = set_ip6_sr_rewrite_fn,
};
+/* *INDENT-ON* */
-void vnet_register_sr_app_callback (void *cb)
+void
+vnet_register_sr_app_callback (void *cb)
{
- ip6_sr_main_t * sm = &sr_main;
-
+ ip6_sr_main_t *sm = &sr_main;
+
sm->sr_local_cb = cb;
}
static clib_error_t *
test_sr_hmac_validate_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- ip6_sr_main_t * sm = &sr_main;
-
+ ip6_sr_main_t *sm = &sr_main;
+
if (unformat (input, "validate on"))
sm->validate_hmac = 1;
else if (unformat (input, "chunk-offset off"))
sm->validate_hmac = 0;
else
- return clib_error_return (0, "expected validate on|off in '%U'",
- format_unformat_error, input);
+ return clib_error_return (0, "expected validate on|off in '%U'",
+ format_unformat_error, input);
vlib_cli_output (vm, "hmac signature validation %s",
- sm->validate_hmac ?
- "on" : "off");
+ sm->validate_hmac ? "on" : "off");
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (test_sr_hmac_validate, static) = {
.path = "test sr hmac",
.short_help = "test sr hmac validate [on|off]",
.function = test_sr_hmac_validate_fn,
};
+/* *INDENT-ON* */
-i32 sr_hmac_add_del_key (ip6_sr_main_t * sm, u32 key_id, u8 * shared_secret,
- u8 is_del)
+i32
+sr_hmac_add_del_key (ip6_sr_main_t * sm, u32 key_id, u8 * shared_secret,
+ u8 is_del)
{
u32 index;
- ip6_sr_hmac_key_t * key;
+ ip6_sr_hmac_key_t *key;
if (is_del == 0)
{
/* Specific key in use? Fail. */
if (key_id && vec_len (sm->hmac_keys) > key_id
- && sm->hmac_keys[key_id].shared_secret)
- return -2;
-
+ && sm->hmac_keys[key_id].shared_secret)
+ return -2;
+
index = key_id;
key = find_or_add_shared_secret (sm, shared_secret, &index);
- ASSERT(index == key_id);
+ ASSERT (index == key_id);
return 0;
}
/* delete */
- if (key_id) /* delete by key ID */
+ if (key_id) /* delete by key ID */
{
if (vec_len (sm->hmac_keys) <= key_id)
- return -3;
+ return -3;
key = sm->hmac_keys + key_id;
vec_free (key->shared_secret);
return 0;
}
-
+
index = 0;
key = find_or_add_shared_secret (sm, shared_secret, &index);
hash_unset_mem (sm->hmac_key_by_shared_secret, key->shared_secret);
static clib_error_t *
sr_hmac_add_del_key_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- ip6_sr_main_t * sm = &sr_main;
+ ip6_sr_main_t *sm = &sr_main;
u8 is_del = 0;
u32 key_id = 0;
u8 key_id_set = 0;
- u8 * shared_secret = 0;
+ u8 *shared_secret = 0;
i32 rv;
-
+
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "del"))
- is_del = 1;
+ is_del = 1;
else if (unformat (input, "id %d", &key_id))
- key_id_set = 1;
+ key_id_set = 1;
else if (unformat (input, "key %s", &shared_secret))
- {
- /* Do not include the trailing NULL byte. Guaranteed interop issue */
- _vec_len (shared_secret) -= 1;
- }
- else
- break;
+ {
+ /* Do not include the trailing NULL byte. Guaranteed interop issue */
+ _vec_len (shared_secret) -= 1;
+ }
+ else
+ break;
}
if (is_del == 0 && shared_secret == 0)
break;
default:
- return clib_error_return (0, "sr_hmac_add_del_key returned %d",
- rv);
+ return clib_error_return (0, "sr_hmac_add_del_key returned %d", rv);
}
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (sr_hmac, static) = {
.path = "sr hmac",
.short_help = "sr hmac [del] id <nn> key <str>",
.function = sr_hmac_add_del_key_fn,
};
+/* *INDENT-ON* */
static clib_error_t *
show_sr_hmac_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- ip6_sr_main_t * sm = &sr_main;
+ ip6_sr_main_t *sm = &sr_main;
int i;
for (i = 1; i < vec_len (sm->hmac_keys); i++)
{
if (sm->hmac_keys[i].shared_secret)
- vlib_cli_output (vm, "[%d]: %v", i, sm->hmac_keys[i].shared_secret);
+ vlib_cli_output (vm, "[%d]: %v", i, sm->hmac_keys[i].shared_secret);
}
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_sr_hmac, static) = {
.path = "show sr hmac",
.short_help = "show sr hmac",
.function = show_sr_hmac_fn,
};
+/* *INDENT-ON* */
static clib_error_t *
test_sr_debug_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- ip6_sr_main_t * sm = &sr_main;
-
+ ip6_sr_main_t *sm = &sr_main;
+
if (unformat (input, "on"))
sm->is_debug = 1;
else if (unformat (input, "off"))
sm->is_debug = 0;
else
- return clib_error_return (0, "expected on|off in '%U'",
- format_unformat_error, input);
+ return clib_error_return (0, "expected on|off in '%U'",
+ format_unformat_error, input);
vlib_cli_output (vm, "debug trace now %s", sm->is_debug ? "on" : "off");
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (test_sr_debug, static) = {
.path = "test sr debug",
.short_help = "test sr debug on|off",
.function = test_sr_debug_fn,
};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / commitdiff