* limitations under the License.
*/
-#if DPDK > 0 /* Cannot run replicate without DPDK */
+#if DPDK > 0 /* Cannot run replicate without DPDK */
#include <vlib/vlib.h>
#include <vnet/vnet.h>
#include <vnet/pg/pg.h>
#include <vppinfra/error.h>
#include <vppinfra/elog.h>
-typedef struct {
+typedef struct
+{
/* convenience */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} sr_replicate_main_t;
sr_replicate_main_t sr_replicate_main;
-typedef struct {
+typedef struct
+{
ip6_address_t src, dst;
u16 length;
u32 next_index;
} sr_replicate_trace_t;
/* packet trace format function */
-static u8 * format_sr_replicate_trace (u8 * s, va_list * args)
+static u8 *
+format_sr_replicate_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_replicate_trace_t * t = va_arg (*args, sr_replicate_trace_t *);
- ip6_main_t * im = &ip6_main;
- ip6_sr_main_t * sm = &sr_main;
+ sr_replicate_trace_t *t = va_arg (*args, sr_replicate_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;
+ 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);
+ 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);
+ IP6_ROUTE_FLAG_FIB_INDEX);
s = format
(s, "SR-REPLICATE: next %s ip6 src %U dst %U len %u\n"
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_sr_header, t->sr, 0 /* print_hmac */ );
return s;
}
_(NO_REPLICAS, "no replicas were needed") \
_(NO_BUFFER_DROPS, "sr no buffer drops")
-typedef enum {
+typedef enum
+{
#define _(sym,str) SR_REPLICATE_ERROR_##sym,
foreach_sr_replicate_error
#undef _
- SR_REPLICATE_N_ERROR,
+ SR_REPLICATE_N_ERROR,
} sr_replicate_error_t;
-static char * sr_replicate_error_strings[] = {
+static char *sr_replicate_error_strings[] = {
#define _(sym,string) string,
foreach_sr_replicate_error
#undef _
};
-typedef enum {
+typedef enum
+{
SR_REPLICATE_NEXT_IP6_LOOKUP,
SR_REPLICATE_N_NEXT,
} sr_replicate_next_t;
static uword
sr_replicate_node_fn (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- u32 n_left_from, * from, * to_next;
+ u32 n_left_from, *from, *to_next;
sr_replicate_next_t next_index;
int pkts_replicated = 0;
- ip6_sr_main_t * sm = &sr_main;
+ ip6_sr_main_t *sm = &sr_main;
int no_buffer_drops = 0;
- vlib_buffer_free_list_t * fl;
- unsigned socket_id = rte_socket_id();
- vlib_buffer_main_t * bm = vm->buffer_main;
+ vlib_buffer_free_list_t *fl;
+ unsigned socket_id = rte_socket_id ();
+ vlib_buffer_main_t *bm = vm->buffer_main;
from = vlib_frame_vector_args (frame);
n_left_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);
while (n_left_from > 0 && n_left_to_next > 0)
{
- u32 bi0, hdr_bi0;
- vlib_buffer_t * b0, * orig_b0;
- struct rte_mbuf * orig_mb0 = 0, * hdr_mb0 = 0, * clone0 = 0;
- struct rte_mbuf ** hdr_vec = 0, ** rte_mbuf_vec = 0;
- ip6_sr_policy_t * pol0 = 0;
- ip6_sr_tunnel_t * t0 = 0;
- ip6_sr_header_t * hdr_sr0 = 0;
- ip6_header_t * ip0 = 0, * hdr_ip0 = 0;
+ u32 bi0, hdr_bi0;
+ vlib_buffer_t *b0, *orig_b0;
+ struct rte_mbuf *orig_mb0 = 0, *hdr_mb0 = 0, *clone0 = 0;
+ struct rte_mbuf **hdr_vec = 0, **rte_mbuf_vec = 0;
+ ip6_sr_policy_t *pol0 = 0;
+ ip6_sr_tunnel_t *t0 = 0;
+ ip6_sr_header_t *hdr_sr0 = 0;
+ ip6_header_t *ip0 = 0, *hdr_ip0 = 0;
int num_replicas = 0;
int i;
b0 = vlib_get_buffer (vm, bi0);
orig_b0 = b0;
- pol0 = pool_elt_at_index (sm->policies,
- vnet_buffer(b0)->ip.save_protocol);
+ pol0 = pool_elt_at_index (sm->policies,
+ vnet_buffer (b0)->ip.save_protocol);
- ip0 = vlib_buffer_get_current (b0);
- /* Skip forward to the punch-in point */
- vlib_buffer_advance (b0, sizeof(*ip0));
+ ip0 = vlib_buffer_get_current (b0);
+ /* Skip forward to the punch-in point */
+ vlib_buffer_advance (b0, sizeof (*ip0));
- orig_mb0 = rte_mbuf_from_vlib_buffer (b0);
+ orig_mb0 = rte_mbuf_from_vlib_buffer (b0);
i16 delta0 = vlib_buffer_length_in_chain (vm, orig_b0)
- - (i16) orig_mb0->pkt_len;
+ - (i16) orig_mb0->pkt_len;
- u16 new_data_len0 = (u16)((i16) orig_mb0->data_len + delta0);
- u16 new_pkt_len0 = (u16)((i16) orig_mb0->pkt_len + delta0);
+ u16 new_data_len0 = (u16) ((i16) orig_mb0->data_len + delta0);
+ u16 new_pkt_len0 = (u16) ((i16) orig_mb0->pkt_len + delta0);
orig_mb0->data_len = new_data_len0;
orig_mb0->pkt_len = new_pkt_len0;
- orig_mb0->data_off = (u16)(RTE_PKTMBUF_HEADROOM + b0->current_data);
+ orig_mb0->data_off =
+ (u16) (RTE_PKTMBUF_HEADROOM + b0->current_data);
/*
- Before entering loop determine if we can allocate:
- - all the new HEADER RTE_MBUFs and assign them to a vector
- - all the clones
+ Before entering loop determine if we can allocate:
+ - all the new HEADER RTE_MBUFs and assign them to a vector
+ - all the clones
- if successful, then iterate over vectors of resources
+ if successful, then iterate over vectors of resources
*/
num_replicas = vec_len (pol0->tunnel_indices);
- if (PREDICT_FALSE(num_replicas == 0))
- {
- b0->error = node->errors[SR_REPLICATE_ERROR_NO_REPLICAS];
- goto do_trace0;
- }
+ if (PREDICT_FALSE (num_replicas == 0))
+ {
+ b0->error = node->errors[SR_REPLICATE_ERROR_NO_REPLICAS];
+ goto do_trace0;
+ }
vec_reset_length (hdr_vec);
vec_reset_length (rte_mbuf_vec);
- for (i=0; i < num_replicas; i++)
+ for (i = 0; i < num_replicas; i++)
{
- hdr_mb0 = rte_pktmbuf_alloc(bm->pktmbuf_pools[socket_id]);
+ hdr_mb0 = rte_pktmbuf_alloc (bm->pktmbuf_pools[socket_id]);
- if (i < (num_replicas - 1) )
+ if (i < (num_replicas - 1))
/* Not the last tunnel to process */
clone0 = rte_pktmbuf_clone
- (orig_mb0, bm->pktmbuf_pools[socket_id]);
+ (orig_mb0, bm->pktmbuf_pools[socket_id]);
else
- /* Last tunnel to process, use original MB */
+ /* Last tunnel to process, use original MB */
clone0 = orig_mb0;
-
-
- if (PREDICT_FALSE( !clone0 || !hdr_mb0 ))
+
+
+ if (PREDICT_FALSE (!clone0 || !hdr_mb0))
{
b0->error = node->errors[SR_REPLICATE_ERROR_NO_BUFFERS];
-
- vec_foreach_index (i, rte_mbuf_vec)
- {
- rte_pktmbuf_free(rte_mbuf_vec[i]);
- }
+
+ vec_foreach_index (i, rte_mbuf_vec)
+ {
+ rte_pktmbuf_free (rte_mbuf_vec[i]);
+ }
vec_free (rte_mbuf_vec);
-
- vec_foreach_index (i, hdr_vec)
- {
- rte_pktmbuf_free(hdr_vec[i]);
- }
+
+ vec_foreach_index (i, hdr_vec)
+ {
+ rte_pktmbuf_free (hdr_vec[i]);
+ }
vec_free (hdr_vec);
goto do_trace0;
}
- for (i=0; i < num_replicas; i++)
+ for (i = 0; i < num_replicas; i++)
{
- vlib_buffer_t * hdr_b0;
+ vlib_buffer_t *hdr_b0;
t0 = vec_elt_at_index (sm->tunnels, pol0->tunnel_indices[i]);
/* Our replicas */
- hdr_mb0 = hdr_vec[i];
+ hdr_mb0 = hdr_vec[i];
clone0 = rte_mbuf_vec[i];
- hdr_mb0->data_len = sizeof (*ip0) + vec_len (t0->rewrite);
- hdr_mb0->pkt_len = hdr_mb0->data_len +
- vlib_buffer_length_in_chain (vm, orig_b0);
+ hdr_mb0->data_len = sizeof (*ip0) + vec_len (t0->rewrite);
+ hdr_mb0->pkt_len = hdr_mb0->data_len +
+ vlib_buffer_length_in_chain (vm, orig_b0);
- hdr_b0 = vlib_buffer_from_rte_mbuf (hdr_mb0);
+ hdr_b0 = vlib_buffer_from_rte_mbuf (hdr_mb0);
- vlib_buffer_init_for_free_list (hdr_b0, fl);
+ vlib_buffer_init_for_free_list (hdr_b0, fl);
- memcpy (hdr_b0->data, ip0, sizeof (*ip0));
- memcpy (hdr_b0->data + sizeof (*ip0), t0->rewrite,
- vec_len (t0->rewrite));
+ memcpy (hdr_b0->data, ip0, sizeof (*ip0));
+ memcpy (hdr_b0->data + sizeof (*ip0), t0->rewrite,
+ vec_len (t0->rewrite));
- hdr_b0->current_data = 0;
- hdr_b0->current_length = sizeof (*ip0) + vec_len (t0->rewrite);
- hdr_b0->flags = orig_b0->flags | VLIB_BUFFER_NEXT_PRESENT;
+ hdr_b0->current_data = 0;
+ hdr_b0->current_length = sizeof (*ip0) + vec_len (t0->rewrite);
+ hdr_b0->flags = orig_b0->flags | VLIB_BUFFER_NEXT_PRESENT;
- hdr_b0->total_length_not_including_first_buffer =
- hdr_mb0->pkt_len - hdr_b0->current_length;
+ hdr_b0->total_length_not_including_first_buffer =
+ hdr_mb0->pkt_len - hdr_b0->current_length;
- hdr_ip0 = (ip6_header_t *) hdr_b0->data;
- hdr_ip0->payload_length = clib_host_to_net_u16(hdr_mb0->data_len);
- hdr_sr0 = (ip6_sr_header_t *) (hdr_ip0+1);
- hdr_sr0->protocol = hdr_ip0->protocol;
- hdr_ip0->protocol = 43;
+ hdr_ip0 = (ip6_header_t *) hdr_b0->data;
+ hdr_ip0->payload_length =
+ clib_host_to_net_u16 (hdr_mb0->data_len);
+ hdr_sr0 = (ip6_sr_header_t *) (hdr_ip0 + 1);
+ hdr_sr0->protocol = hdr_ip0->protocol;
+ hdr_ip0->protocol = 43;
/* Rewrite the ip6 dst address */
hdr_ip0->dst_address.as_u64[0] = t0->first_hop.as_u64[0];
hdr_ip0->dst_address.as_u64[1] = t0->first_hop.as_u64[1];
- sr_fix_hmac (sm, hdr_ip0, hdr_sr0);
+ sr_fix_hmac (sm, hdr_ip0, hdr_sr0);
- /* prepend new header to invariant piece */
- hdr_mb0->next = clone0;
- hdr_b0->next_buffer = vlib_get_buffer_index (vm, vlib_buffer_from_rte_mbuf (clone0));
+ /* prepend new header to invariant piece */
+ hdr_mb0->next = clone0;
+ hdr_b0->next_buffer =
+ vlib_get_buffer_index (vm,
+ vlib_buffer_from_rte_mbuf (clone0));
- /* update header's fields */
- hdr_mb0->pkt_len = (uint16_t)(hdr_mb0->data_len + clone0->pkt_len);
- hdr_mb0->nb_segs = (uint8_t)(clone0->nb_segs + 1);
+ /* update header's fields */
+ hdr_mb0->pkt_len =
+ (uint16_t) (hdr_mb0->data_len + clone0->pkt_len);
+ hdr_mb0->nb_segs = (uint8_t) (clone0->nb_segs + 1);
- /* copy metadata from source packet*/
- hdr_mb0->port = clone0->port;
- hdr_mb0->vlan_tci = clone0->vlan_tci;
- hdr_mb0->vlan_tci_outer = clone0->vlan_tci_outer;
- hdr_mb0->tx_offload = clone0->tx_offload;
- hdr_mb0->hash = clone0->hash;
+ /* copy metadata from source packet */
+ hdr_mb0->port = clone0->port;
+ hdr_mb0->vlan_tci = clone0->vlan_tci;
+ hdr_mb0->vlan_tci_outer = clone0->vlan_tci_outer;
+ hdr_mb0->tx_offload = clone0->tx_offload;
+ hdr_mb0->hash = clone0->hash;
- hdr_mb0->ol_flags = clone0->ol_flags;
+ hdr_mb0->ol_flags = clone0->ol_flags;
- __rte_mbuf_sanity_check(hdr_mb0, 1);
+ __rte_mbuf_sanity_check (hdr_mb0, 1);
- hdr_bi0 = vlib_get_buffer_index (vm, hdr_b0);
+ hdr_bi0 = vlib_get_buffer_index (vm, hdr_b0);
to_next[0] = hdr_bi0;
to_next += 1;
n_left_from -= 1;
do_trace0:
- if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED))
- {
- sr_replicate_trace_t *tr = vlib_add_trace (vm, node,
- b0, sizeof (*tr));
- tr->tunnel_index = t0 - sm->tunnels;
- tr->length = 0;
+ if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ sr_replicate_trace_t *tr = vlib_add_trace (vm, node,
+ b0, sizeof (*tr));
+ tr->tunnel_index = t0 - sm->tunnels;
+ tr->length = 0;
if (hdr_ip0)
{
memcpy (tr->src.as_u8, hdr_ip0->src_address.as_u8,
- sizeof (tr->src.as_u8));
+ sizeof (tr->src.as_u8));
memcpy (tr->dst.as_u8, hdr_ip0->dst_address.as_u8,
- sizeof (tr->dst.as_u8));
- if (hdr_ip0->payload_length)
- tr->length = clib_net_to_host_u16
- (hdr_ip0->payload_length);
+ sizeof (tr->dst.as_u8));
+ if (hdr_ip0->payload_length)
+ tr->length = clib_net_to_host_u16
+ (hdr_ip0->payload_length);
}
- tr->next_index = next_index;
- memcpy (tr->sr, hdr_sr0, sizeof (tr->sr));
- }
+ tr->next_index = next_index;
+ memcpy (tr->sr, hdr_sr0, sizeof (tr->sr));
+ }
}
}
vlib_node_increment_counter (vm, sr_replicate_node.index,
- SR_REPLICATE_ERROR_REPLICATED, pkts_replicated);
+ SR_REPLICATE_ERROR_REPLICATED,
+ pkts_replicated);
vlib_node_increment_counter (vm, sr_replicate_node.index,
- SR_REPLICATE_ERROR_NO_BUFFER_DROPS, no_buffer_drops);
+ SR_REPLICATE_ERROR_NO_BUFFER_DROPS,
+ no_buffer_drops);
return frame->n_vectors;
}
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (sr_replicate_node) = {
.function = sr_replicate_node_fn,
.name = "sr-replicate",
[SR_REPLICATE_NEXT_IP6_LOOKUP] = "ip6-lookup",
},
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (sr_replicate_node, sr_replicate_node_fn)
-
-clib_error_t *sr_replicate_init (vlib_main_t *vm)
+ clib_error_t *sr_replicate_init (vlib_main_t * vm)
{
sr_replicate_main_t *msm = &sr_replicate_main;
msm->vlib_main = vm;
- msm->vnet_main = vnet_get_main();
+ msm->vnet_main = vnet_get_main ();
return 0;
}
-VLIB_INIT_FUNCTION(sr_replicate_init);
+VLIB_INIT_FUNCTION (sr_replicate_init);
#endif /* DPDK */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff