#include <vlib/vlib.h>
#include <vnet/vnet.h>
#include <vnet/srv6/sr.h>
-#include <vnet/ip/ip.h>
+#include <vnet/ip/ip4_inlines.h>
+#include <vnet/ip/ip6_inlines.h>
#include <vnet/srv6/sr_packet.h>
-#include <vnet/ip/ip6_packet.h>
#include <vnet/fib/ip6_fib.h>
#include <vnet/dpo/dpo.h>
#include <vnet/dpo/replicate_dpo.h>
clib_memcpy_fast (&sr_pr_encaps_src, address, sizeof (sr_pr_encaps_src));
}
+ip6_address_t *
+sr_get_encaps_source ()
+{
+ return &sr_pr_encaps_src;
+}
+
static clib_error_t *
set_sr_src_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
sr_policy_fn_registration_t **plugin_it = 0;
/* *INDENT-OFF* */
- pool_foreach (plugin, sm->policy_plugin_functions,
+ pool_foreach (plugin, sm->policy_plugin_functions)
{
vec_add1 (vec_plugins, plugin);
- });
+ }
/* *INDENT-ON* */
vec_foreach (plugin_it, vec_plugins)
vlib_cli_output (vm, "SR policies:");
/* *INDENT-OFF* */
- pool_foreach (sr_policy, sm->sr_policies,
- {vec_add1 (vec_policies, sr_policy); } );
+ pool_foreach (sr_policy, sm->sr_policies)
+ {vec_add1 (vec_policies, sr_policy); }
/* *INDENT-ON* */
vec_foreach_index (i, vec_policies)
}
s = format (s, "\b\b > ");
s = format (s, "weight: %u", segment_list->weight);
- vlib_cli_output (vm, " %s", s);
+ vlib_cli_output (vm, " %v", s);
}
vlib_cli_output (vm, "-----------");
}
};
/* *INDENT-ON* */
+/**
+ * @brief CLI to display onscreen the SR encaps source addr
+ */
+static clib_error_t *
+show_sr_encaps_source_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vlib_cli_output (vm, "SR encaps source addr = %U", format_ip6_address,
+ sr_get_encaps_source ());
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_sr_encaps_source_command, static) = {
+ .path = "show sr encaps source addr",
+ .short_help = "show sr encaps source addr",
+ .function = show_sr_encaps_source_command_fn,
+};
+/* *INDENT-ON* */
+
+/**
+ * @brief CLI to display onscreen the hop-limit value used for SRv6 encapsulation
+ */
+static clib_error_t *
+show_sr_encaps_hop_limit_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vlib_cli_output (vm, "SR encaps hop-limit = %u", sr_get_hop_limit ());
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_sr_encaps_hop_limit_command, static) = {
+ .path = "show sr encaps hop-limit",
+ .short_help = "show sr encaps hop-limit",
+ .function = show_sr_encaps_hop_limit_command_fn,
+};
+/* *INDENT-ON* */
+
/*************************** SR rewrite graph node ****************************/
/**
* @brief Trace for the SR Policy Rewrite graph node
ip6_header_t * ip0, ip6_header_t * ip0_encap)
{
u32 new_l0;
+ u32 flow_label;
ip0_encap->hop_limit -= 1;
new_l0 =
ip0->payload_length + sizeof (ip6_header_t) +
clib_net_to_host_u16 (ip0_encap->payload_length);
ip0->payload_length = clib_host_to_net_u16 (new_l0);
- ip0->ip_version_traffic_class_and_flow_label =
- ip0_encap->ip_version_traffic_class_and_flow_label;
+
+ flow_label = ip6_compute_flow_hash (ip0_encap, IP_FLOW_HASH_DEFAULT);
+ ip0->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32 (
+ 0 |
+ (clib_net_to_host_u32 (
+ ip0_encap->ip_version_traffic_class_and_flow_label) &
+ 0xfff00000) |
+ (flow_label & 0x0000ffff));
}
/**
ip6_sr_header_t *sr0;
u32 checksum0;
+ u32 flow_label;
/* Inner IPv4: Decrement TTL & update checksum */
ip0_encap->ttl -= 1;
/* Outer IPv6: Update length, FL, proto */
new_l0 = ip0->payload_length + clib_net_to_host_u16 (ip0_encap->length);
ip0->payload_length = clib_host_to_net_u16 (new_l0);
- ip0->ip_version_traffic_class_and_flow_label =
- clib_host_to_net_u32 (0 | ((6 & 0xF) << 28) |
- ((ip0_encap->tos & 0xFF) << 20));
+ flow_label = ip4_compute_flow_hash (ip0_encap, IP_FLOW_HASH_DEFAULT);
+ ip0->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32 (
+ 0 | ((6 & 0xF) << 28) | ((ip0_encap->tos & 0xFF) << 20) |
+ (flow_label & 0x0000ffff));
if (ip0->protocol == IP_PROTOCOL_IPV6_ROUTE)
{
sr0 = (void *) (ip0 + 1);
ip6_sr_header_t *sr0, *sr1, *sr2, *sr3;
ip6_sr_policy_t *sp0, *sp1, *sp2, *sp3;
ip6_sr_sl_t *sl0, *sl1, *sl2, *sl3;
+ u32 flow_label0, flow_label1, flow_label2, flow_label3;
/* Prefetch next iteration. */
{
sm->sw_iface_sr_policies[vnet_buffer
(b3)->sw_if_index
[VLIB_RX]]);
+ flow_label0 = l2_flow_hash (b0);
+ flow_label1 = l2_flow_hash (b1);
+ flow_label2 = l2_flow_hash (b2);
+ flow_label3 = l2_flow_hash (b3);
if (vec_len (sp0->segments_lists) == 1)
vnet_buffer (b0)->ip.adj_index[VLIB_TX] = sp0->segments_lists[0];
else
{
- vnet_buffer (b0)->ip.flow_hash = l2_flow_hash (b0);
+ vnet_buffer (b0)->ip.flow_hash = flow_label0;
vnet_buffer (b0)->ip.adj_index[VLIB_TX] =
sp0->segments_lists[(vnet_buffer (b0)->ip.flow_hash &
(vec_len (sp0->segments_lists) - 1))];
vnet_buffer (b1)->ip.adj_index[VLIB_TX] = sp1->segments_lists[1];
else
{
- vnet_buffer (b1)->ip.flow_hash = l2_flow_hash (b1);
+ vnet_buffer (b1)->ip.flow_hash = flow_label1;
vnet_buffer (b1)->ip.adj_index[VLIB_TX] =
sp1->segments_lists[(vnet_buffer (b1)->ip.flow_hash &
(vec_len (sp1->segments_lists) - 1))];
vnet_buffer (b2)->ip.adj_index[VLIB_TX] = sp2->segments_lists[2];
else
{
- vnet_buffer (b2)->ip.flow_hash = l2_flow_hash (b2);
+ vnet_buffer (b2)->ip.flow_hash = flow_label2;
vnet_buffer (b2)->ip.adj_index[VLIB_TX] =
sp2->segments_lists[(vnet_buffer (b2)->ip.flow_hash &
(vec_len (sp2->segments_lists) - 1))];
vnet_buffer (b3)->ip.adj_index[VLIB_TX] = sp3->segments_lists[3];
else
{
- vnet_buffer (b3)->ip.flow_hash = l2_flow_hash (b3);
+ vnet_buffer (b3)->ip.flow_hash = flow_label3;
vnet_buffer (b3)->ip.adj_index[VLIB_TX] =
sp3->segments_lists[(vnet_buffer (b3)->ip.flow_hash &
(vec_len (sp3->segments_lists) - 1))];
if (ip0->protocol == IP_PROTOCOL_IPV6_ROUTE)
{
sr0 = (void *) (ip0 + 1);
- sr0->protocol = IP_PROTOCOL_IP6_NONXT;
+ sr0->protocol = IP_PROTOCOL_IP6_ETHERNET;
}
else
- ip0->protocol = IP_PROTOCOL_IP6_NONXT;
+ ip0->protocol = IP_PROTOCOL_IP6_ETHERNET;
if (ip1->protocol == IP_PROTOCOL_IPV6_ROUTE)
{
sr1 = (void *) (ip1 + 1);
- sr1->protocol = IP_PROTOCOL_IP6_NONXT;
+ sr1->protocol = IP_PROTOCOL_IP6_ETHERNET;
}
else
- ip1->protocol = IP_PROTOCOL_IP6_NONXT;
+ ip1->protocol = IP_PROTOCOL_IP6_ETHERNET;
if (ip2->protocol == IP_PROTOCOL_IPV6_ROUTE)
{
sr2 = (void *) (ip2 + 1);
- sr2->protocol = IP_PROTOCOL_IP6_NONXT;
+ sr2->protocol = IP_PROTOCOL_IP6_ETHERNET;
}
else
- ip2->protocol = IP_PROTOCOL_IP6_NONXT;
+ ip2->protocol = IP_PROTOCOL_IP6_ETHERNET;
if (ip3->protocol == IP_PROTOCOL_IPV6_ROUTE)
{
sr3 = (void *) (ip3 + 1);
- sr3->protocol = IP_PROTOCOL_IP6_NONXT;
+ sr3->protocol = IP_PROTOCOL_IP6_ETHERNET;
}
else
- ip3->protocol = IP_PROTOCOL_IP6_NONXT;
-
- /* Which Traffic class and flow label do I set ? */
- //ip0->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32(0|((6&0xF)<<28)|((ip0_encap->tos&0xFF)<<20));
+ ip3->protocol = IP_PROTOCOL_IP6_ETHERNET;
+
+ /* TC is set to 0 for all ethernet frames, should be taken from COS
+ * od DSCP of encapsulated packet in the future */
+ ip0->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32 (
+ 0 | ((6 & 0xF) << 28) | ((0x00) << 20) | (flow_label0 & 0xffff));
+ ip1->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32 (
+ 0 | ((6 & 0xF) << 28) | ((0x00) << 20) | (flow_label1 & 0xffff));
+ ip2->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32 (
+ 0 | ((6 & 0xF) << 28) | ((0x00) << 20) | (flow_label2 & 0xffff));
+ ip3->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32 (
+ 0 | ((6 & 0xF) << 28) | ((0x00) << 20) | (flow_label3 & 0xffff));
if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)))
{
ip6_sr_policy_t *sp0;
ip6_sr_sl_t *sl0;
u32 next0 = SR_POLICY_REWRITE_NEXT_IP6_LOOKUP;
+ u32 flow_label0;
bi0 = from[0];
to_next[0] = bi0;
sm->sw_iface_sr_policies[vnet_buffer
(b0)->sw_if_index
[VLIB_RX]]);
+ flow_label0 = l2_flow_hash (b0);
/* In case there is more than one SL, LB among them */
if (vec_len (sp0->segments_lists) == 1)
vnet_buffer (b0)->ip.adj_index[VLIB_TX] = sp0->segments_lists[0];
else
{
- vnet_buffer (b0)->ip.flow_hash = l2_flow_hash (b0);
+ vnet_buffer (b0)->ip.flow_hash = flow_label0;
vnet_buffer (b0)->ip.adj_index[VLIB_TX] =
sp0->segments_lists[(vnet_buffer (b0)->ip.flow_hash &
(vec_len (sp0->segments_lists) - 1))];
if (ip0->protocol == IP_PROTOCOL_IPV6_ROUTE)
{
sr0 = (void *) (ip0 + 1);
- sr0->protocol = IP_PROTOCOL_IP6_NONXT;
+ sr0->protocol = IP_PROTOCOL_IP6_ETHERNET;
}
else
- ip0->protocol = IP_PROTOCOL_IP6_NONXT;
+ ip0->protocol = IP_PROTOCOL_IP6_ETHERNET;
+
+ ip0->ip_version_traffic_class_and_flow_label = clib_host_to_net_u32 (
+ 0 | ((6 & 0xF) << 28) | ((0x00) << 20) | (flow_label0 & 0xffff));
if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE) &&
PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
vlib_cli_output (vm, "SR Policy behaviors:\n-----------------------\n\n");
/* *INDENT-OFF* */
- pool_foreach (plugin, sm->policy_plugin_functions,
- ({ vec_add1 (plugins_vec, plugin); }));
+ pool_foreach (plugin, sm->policy_plugin_functions)
+ { vec_add1 (plugins_vec, plugin); }
/* *INDENT-ON* */
vlib_cli_output (vm, "Plugin behaviors:\n");
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