#include <vnet/ppp/ppp.h>
#include <vnet/hdlc/hdlc.h>
-typedef struct {
+typedef struct
+{
u8 packet_data[64];
} ip6_input_trace_t;
-static u8 * format_ip6_input_trace (u8 * s, va_list * va)
+static u8 *
+format_ip6_input_trace (u8 * s, va_list * va)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *);
- ip6_input_trace_t * t = va_arg (*va, ip6_input_trace_t *);
+ ip6_input_trace_t *t = va_arg (*va, ip6_input_trace_t *);
s = format (s, "%U",
- format_ip6_header,
- t->packet_data, sizeof (t->packet_data));
+ format_ip6_header, t->packet_data, sizeof (t->packet_data));
return s;
}
-typedef enum {
+typedef enum
+{
IP6_INPUT_NEXT_DROP,
IP6_INPUT_NEXT_LOOKUP,
IP6_INPUT_NEXT_ICMP_ERROR,
/* Validate IP v6 packets and pass them either to forwarding code
or drop exception packets. */
static uword
-ip6_input (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ip6_input (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
{
- vnet_main_t * vnm = vnet_get_main();
- ip6_main_t * im = &ip6_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- u32 n_left_from, * from, * to_next;
+ vnet_main_t *vnm = vnet_get_main ();
+ ip6_main_t *im = &ip6_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
+ u32 n_left_from, *from, *to_next;
ip6_input_next_t next_index;
- vlib_node_runtime_t * error_node = vlib_node_get_runtime (vm, ip6_input_node.index);
- vlib_simple_counter_main_t * cm;
- u32 cpu_index = os_get_cpu_number();
+ vlib_node_runtime_t *error_node =
+ vlib_node_get_runtime (vm, ip6_input_node.index);
+ vlib_simple_counter_main_t *cm;
+ u32 cpu_index = os_get_cpu_number ();
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
sizeof (ip6_input_trace_t));
cm = vec_elt_at_index (vnm->interface_main.sw_if_counters,
- VNET_INTERFACE_COUNTER_IP6);
+ VNET_INTERFACE_COUNTER_IP6);
while (n_left_from > 0)
{
u32 n_left_to_next;
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left_from >= 4 && n_left_to_next >= 2)
{
- vlib_buffer_t * p0, * p1;
- ip6_header_t * ip0, * ip1;
+ vlib_buffer_t *p0, *p1;
+ ip6_header_t *ip0, *ip1;
u32 pi0, sw_if_index0, next0 = 0;
u32 pi1, sw_if_index1, next1 = 0;
u8 error0, error1, arc0, arc1;
/* 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]);
sw_if_index0 = vnet_buffer (p0)->sw_if_index[VLIB_RX];
sw_if_index1 = vnet_buffer (p1)->sw_if_index[VLIB_RX];
- arc0 = ip6_address_is_multicast (&ip0->dst_address) ? lm->mcast_feature_arc_index : lm->ucast_feature_arc_index;
- arc1 = ip6_address_is_multicast (&ip1->dst_address) ? lm->mcast_feature_arc_index : lm->ucast_feature_arc_index;
+ arc0 =
+ ip6_address_is_multicast (&ip0->dst_address) ?
+ lm->mcast_feature_arc_index : lm->ucast_feature_arc_index;
+ arc1 =
+ ip6_address_is_multicast (&ip1->dst_address) ?
+ lm->mcast_feature_arc_index : lm->ucast_feature_arc_index;
vnet_buffer (p0)->ip.adj_index[VLIB_RX] = ~0;
vnet_buffer (p1)->ip.adj_index[VLIB_RX] = ~0;
error0 = error1 = IP6_ERROR_NONE;
/* Version != 6? Drop it. */
- error0 = (clib_net_to_host_u32 (ip0->ip_version_traffic_class_and_flow_label) >> 28) != 6 ? IP6_ERROR_VERSION : error0;
- error1 = (clib_net_to_host_u32 (ip1->ip_version_traffic_class_and_flow_label) >> 28) != 6 ? IP6_ERROR_VERSION : error1;
+ error0 =
+ (clib_net_to_host_u32
+ (ip0->ip_version_traffic_class_and_flow_label) >> 28) !=
+ 6 ? IP6_ERROR_VERSION : error0;
+ error1 =
+ (clib_net_to_host_u32
+ (ip1->ip_version_traffic_class_and_flow_label) >> 28) !=
+ 6 ? IP6_ERROR_VERSION : error1;
/* hop limit < 1? Drop it. for link-local broadcast packets,
- * like dhcpv6 packets from client has hop-limit 1, which should not
- * be dropped.
- */
+ * like dhcpv6 packets from client has hop-limit 1, which should not
+ * be dropped.
+ */
error0 = ip0->hop_limit < 1 ? IP6_ERROR_TIME_EXPIRED : error0;
error1 = ip1->hop_limit < 1 ? IP6_ERROR_TIME_EXPIRED : error1;
/* L2 length must be at least minimal IP header. */
- error0 = p0->current_length < sizeof (ip0[0]) ? IP6_ERROR_TOO_SHORT : error0;
- error1 = p1->current_length < sizeof (ip1[0]) ? IP6_ERROR_TOO_SHORT : error1;
-
- if (PREDICT_FALSE(error0 != IP6_ERROR_NONE))
- {
- if (error0 == IP6_ERROR_TIME_EXPIRED) {
- icmp6_error_set_vnet_buffer(p0, ICMP6_time_exceeded,
- ICMP6_time_exceeded_ttl_exceeded_in_transit, 0);
- next0 = IP6_INPUT_NEXT_ICMP_ERROR;
- } else {
- next0 = IP6_INPUT_NEXT_DROP;
- }
- }
- if (PREDICT_FALSE(error1 != IP6_ERROR_NONE))
- {
- if (error1 == IP6_ERROR_TIME_EXPIRED) {
- icmp6_error_set_vnet_buffer(p1, ICMP6_time_exceeded,
- ICMP6_time_exceeded_ttl_exceeded_in_transit, 0);
- next1 = IP6_INPUT_NEXT_ICMP_ERROR;
- } else {
- next1 = IP6_INPUT_NEXT_DROP;
- }
- }
+ error0 =
+ p0->current_length <
+ sizeof (ip0[0]) ? IP6_ERROR_TOO_SHORT : error0;
+ error1 =
+ p1->current_length <
+ sizeof (ip1[0]) ? IP6_ERROR_TOO_SHORT : error1;
+
+ if (PREDICT_FALSE (error0 != IP6_ERROR_NONE))
+ {
+ if (error0 == IP6_ERROR_TIME_EXPIRED)
+ {
+ icmp6_error_set_vnet_buffer (p0, ICMP6_time_exceeded,
+ ICMP6_time_exceeded_ttl_exceeded_in_transit,
+ 0);
+ next0 = IP6_INPUT_NEXT_ICMP_ERROR;
+ }
+ else
+ {
+ next0 = IP6_INPUT_NEXT_DROP;
+ }
+ }
+ if (PREDICT_FALSE (error1 != IP6_ERROR_NONE))
+ {
+ if (error1 == IP6_ERROR_TIME_EXPIRED)
+ {
+ icmp6_error_set_vnet_buffer (p1, ICMP6_time_exceeded,
+ ICMP6_time_exceeded_ttl_exceeded_in_transit,
+ 0);
+ next1 = IP6_INPUT_NEXT_ICMP_ERROR;
+ }
+ else
+ {
+ next1 = IP6_INPUT_NEXT_DROP;
+ }
+ }
p0->error = error_node->errors[error0];
p1->error = error_node->errors[error1];
to_next, n_left_to_next,
pi0, pi1, next0, next1);
}
-
+
while (n_left_from > 0 && n_left_to_next > 0)
{
- vlib_buffer_t * p0;
- ip6_header_t * ip0;
+ vlib_buffer_t *p0;
+ ip6_header_t *ip0;
u32 pi0, sw_if_index0, next0 = 0;
u8 error0, arc0;
ip0 = vlib_buffer_get_current (p0);
sw_if_index0 = vnet_buffer (p0)->sw_if_index[VLIB_RX];
- arc0 = ip6_address_is_multicast (&ip0->dst_address) ? lm->mcast_feature_arc_index : lm->ucast_feature_arc_index;
+ arc0 =
+ ip6_address_is_multicast (&ip0->dst_address) ?
+ lm->mcast_feature_arc_index : lm->ucast_feature_arc_index;
vnet_buffer (p0)->ip.adj_index[VLIB_RX] = ~0;
vnet_feature_arc_start (arc0, sw_if_index0, &next0, p0);
error0 = IP6_ERROR_NONE;
/* Version != 6? Drop it. */
- error0 = (clib_net_to_host_u32 (ip0->ip_version_traffic_class_and_flow_label) >> 28) != 6 ? IP6_ERROR_VERSION : error0;
+ error0 =
+ (clib_net_to_host_u32
+ (ip0->ip_version_traffic_class_and_flow_label) >> 28) !=
+ 6 ? IP6_ERROR_VERSION : error0;
/* hop limit < 1? Drop it. for link-local broadcast packets,
- * like dhcpv6 packets from client has hop-limit 1, which should not
- * be dropped.
- */
+ * like dhcpv6 packets from client has hop-limit 1, which should not
+ * be dropped.
+ */
error0 = ip0->hop_limit < 1 ? IP6_ERROR_TIME_EXPIRED : error0;
/* L2 length must be at least minimal IP header. */
- error0 = p0->current_length < sizeof (ip0[0]) ? IP6_ERROR_TOO_SHORT : error0;
-
- if (PREDICT_FALSE(error0 != IP6_ERROR_NONE))
- {
- if (error0 == IP6_ERROR_TIME_EXPIRED) {
- icmp6_error_set_vnet_buffer(p0, ICMP6_time_exceeded,
- ICMP6_time_exceeded_ttl_exceeded_in_transit, 0);
- next0 = IP6_INPUT_NEXT_ICMP_ERROR;
- } else {
- next0 = IP6_INPUT_NEXT_DROP;
- }
- }
+ error0 =
+ p0->current_length <
+ sizeof (ip0[0]) ? IP6_ERROR_TOO_SHORT : error0;
+
+ if (PREDICT_FALSE (error0 != IP6_ERROR_NONE))
+ {
+ if (error0 == IP6_ERROR_TIME_EXPIRED)
+ {
+ icmp6_error_set_vnet_buffer (p0, ICMP6_time_exceeded,
+ ICMP6_time_exceeded_ttl_exceeded_in_transit,
+ 0);
+ next0 = IP6_INPUT_NEXT_ICMP_ERROR;
+ }
+ else
+ {
+ next0 = IP6_INPUT_NEXT_DROP;
+ }
+ }
p0->error = error_node->errors[error0];
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
return frame->n_vectors;
}
-static char * ip6_error_strings[] = {
+static char *ip6_error_strings[] = {
#define _(sym,string) string,
foreach_ip6_error
#undef _
};
+/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip6_input_node) = {
.function = ip6_input,
.name = "ip6-input",
.format_buffer = format_ip6_header,
.format_trace = format_ip6_input_trace,
};
+/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (ip6_input_node, ip6_input)
-
-static clib_error_t * ip6_init (vlib_main_t * vm)
+ static clib_error_t *ip6_init (vlib_main_t * vm)
{
- ethernet_register_input_type (vm, ETHERNET_TYPE_IP6,
- ip6_input_node.index);
- ppp_register_input_protocol (vm, PPP_PROTOCOL_ip6,
- ip6_input_node.index);
- hdlc_register_input_protocol (vm, HDLC_PROTOCOL_ip6,
- ip6_input_node.index);
+ ethernet_register_input_type (vm, ETHERNET_TYPE_IP6, ip6_input_node.index);
+ ppp_register_input_protocol (vm, PPP_PROTOCOL_ip6, ip6_input_node.index);
+ hdlc_register_input_protocol (vm, HDLC_PROTOCOL_ip6, ip6_input_node.index);
{
- pg_node_t * pn;
+ pg_node_t *pn;
pn = pg_get_node (ip6_input_node.index);
pn->unformat_edit = unformat_pg_ip6_header;
}
}
VLIB_INIT_FUNCTION (ip6_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff