unsigned char params_str[] =
"nh <next-hop> oif <iface-out> iif <iface-in> src <src-addr> next <sid> [next <sid> ...]";
+srv6_as_main_t srv6_as_main;
static inline u8 *
prepare_rewrite (ip6_address_t src_addr, ip6_address_t * sid_list,
iph->src_address = src_addr;
iph->dst_address = sid_list[0];
iph->payload_length = sr_hdr_len;
- iph->hop_limit = IPv6_DEFAULT_HOP_LIMIT;
+ iph->hop_limit = sr_get_hop_limit ();
if (num_sids > 1)
{
srh->length = sr_hdr_len / 8 - 1;
srh->type = ROUTING_HEADER_TYPE_SR;
srh->segments_left = num_sids - 1;
- srh->first_segment = num_sids - 1;
+ srh->last_entry = num_sids - 1;
srh->flags = 0x00;
- srh->reserved = 0x00;
+ srh->tag = 0x0000;
/* Fill segment list */
ip6_address_t *this_address;
- ip6_address_t *addrp = srh->segments + srh->first_segment;
+ ip6_address_t *addrp = srh->segments + srh->last_entry;
vec_foreach (this_address, sid_list)
{
*addrp = *this_address;
/* Retrieve the adjacency corresponding to the (OIF, next_hop) */
adj_index_t nh_adj_index = ADJ_INDEX_INVALID;
- if (ls_mem->ip_version == DA_IP4)
- nh_adj_index = adj_nbr_add_or_lock (FIB_PROTOCOL_IP4,
- VNET_LINK_IP4, &ls_mem->nh_addr,
- ls_mem->sw_if_index_out);
- else if (ls_mem->ip_version == DA_IP6)
- nh_adj_index = adj_nbr_add_or_lock (FIB_PROTOCOL_IP6,
- VNET_LINK_IP6, &ls_mem->nh_addr,
- ls_mem->sw_if_index_out);
- if (nh_adj_index == ADJ_INDEX_INVALID)
+ if (ls_mem->inner_type != AS_TYPE_L2)
{
- free_ls_mem (ls_mem);
- return SID_CREATE_INVALID_ADJ_INDEX;
+ if (ls_mem->inner_type == AS_TYPE_IP4)
+ nh_adj_index = adj_nbr_add_or_lock (FIB_PROTOCOL_IP4,
+ VNET_LINK_IP4, &ls_mem->nh_addr,
+ ls_mem->sw_if_index_out);
+ else if (ls_mem->inner_type == AS_TYPE_IP6)
+ nh_adj_index = adj_nbr_add_or_lock (FIB_PROTOCOL_IP6,
+ VNET_LINK_IP6, &ls_mem->nh_addr,
+ ls_mem->sw_if_index_out);
+ if (nh_adj_index == ADJ_INDEX_INVALID)
+ {
+ free_ls_mem (ls_mem);
+ return SID_CREATE_INVALID_ADJ_INDEX;
+ }
}
ls_mem->nh_adj = nh_adj_index;
return SID_CREATE_INVALID_IFACE_TYPE;
}
- if (ls_mem->ip_version == DA_IP4)
+ if (ls_mem->inner_type == AS_TYPE_L2)
+ {
+ /* Enable End.AS2 rewrite node for this interface */
+ int ret =
+ vnet_feature_enable_disable ("device-input", "srv6-as2-rewrite",
+ ls_mem->sw_if_index_in, 1, 0, 0);
+ if (ret != 0)
+ {
+ free_ls_mem (ls_mem);
+ return SID_CREATE_IFACE_FEATURE_ERROR;
+ }
+
+ /* Set interface in promiscuous mode */
+ vnet_main_t *vnm = vnet_get_main ();
+ ethernet_set_flags (vnm, ls_mem->sw_if_index_in,
+ ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
+
+ /* Prepare rewrite string */
+ ls_mem->rewrite = prepare_rewrite (ls_mem->src_addr, ls_mem->sid_list,
+ IP_PROTOCOL_IP6_NONXT);
+
+ /* Associate local SID index to this interface (resize vector if needed) */
+ if (ls_mem->sw_if_index_in >= vec_len (sm->sw_iface_localsid2))
+ {
+ vec_resize (sm->sw_iface_localsid2,
+ (pool_len (sm->vnet_main->interface_main.sw_interfaces)
+ - vec_len (sm->sw_iface_localsid2)));
+ }
+ sm->sw_iface_localsid2[ls_mem->sw_if_index_in] = localsid_index;
+ }
+ else if (ls_mem->inner_type == AS_TYPE_IP4)
{
/* Enable End.AS4 rewrite node for this interface */
int ret =
}
sm->sw_iface_localsid4[ls_mem->sw_if_index_in] = localsid_index;
}
- else if (ls_mem->ip_version == DA_IP6)
+ else if (ls_mem->inner_type == AS_TYPE_IP6)
{
/* Enable End.AS6 rewrite node for this interface */
int ret =
sm->sw_iface_localsid6[ls_mem->sw_if_index_in] = localsid_index;
}
+ /* Step 3: Initialize rewrite counters */
+ srv6_as_localsid_t **ls_p;
+ pool_get (sm->sids, ls_p);
+ *ls_p = ls_mem;
+ ls_mem->index = ls_p - sm->sids;
+
+ vlib_validate_combined_counter (&(sm->valid_counters), ls_mem->index);
+ vlib_validate_combined_counter (&(sm->invalid_counters), ls_mem->index);
+
+ vlib_zero_combined_counter (&(sm->valid_counters), ls_mem->index);
+ vlib_zero_combined_counter (&(sm->invalid_counters), ls_mem->index);
+
return 0;
}
srv6_as_main_t *sm = &srv6_as_main;
srv6_as_localsid_t *ls_mem = localsid->plugin_mem;
- if (ls_mem->ip_version == DA_IP4)
+ if (ls_mem->inner_type == AS_TYPE_L2)
+ {
+ /* Disable End.AS2 rewrite node for this interface */
+ int ret;
+ ret = vnet_feature_enable_disable ("device-input", "srv6-as2-rewrite",
+ ls_mem->sw_if_index_in, 0, 0, 0);
+ if (ret != 0)
+ return -1;
+
+ /* Disable promiscuous mode on the interface */
+ vnet_main_t *vnm = vnet_get_main ();
+ ethernet_set_flags (vnm, ls_mem->sw_if_index_in, 0);
+
+ /* Remove local SID index from interface table */
+ sm->sw_iface_localsid2[ls_mem->sw_if_index_in] = ~(u32) 0;
+ }
+ else if (ls_mem->inner_type == AS_TYPE_IP4)
{
/* Disable End.AS4 rewrite node for this interface */
int ret;
/* Remove local SID index from interface table */
sm->sw_iface_localsid4[ls_mem->sw_if_index_in] = ~(u32) 0;
}
- else if (ls_mem->ip_version == DA_IP6)
+ else if (ls_mem->inner_type == AS_TYPE_IP6)
{
/* Disable End.AS6 rewrite node for this interface */
int ret;
/* Unlock (OIF, NHOP) adjacency (from sr_localsid.c:103) */
adj_unlock (ls_mem->nh_adj);
+ /* Delete SID entry */
+ pool_put (sm->sids, pool_elt_at_index (sm->sids, ls_mem->index));
+
/* Clean up local SID memory */
free_ls_mem (ls_mem);
srv6_as_localsid_t *ls_mem = va_arg (*args, void *);
vnet_main_t *vnm = vnet_get_main ();
+ srv6_as_main_t *sm = &srv6_as_main;
- if (ls_mem->ip_version == DA_IP4)
+ if (ls_mem->inner_type == AS_TYPE_IP4)
{
s =
- format (s, "Next-hop:\t%U\n", format_ip4_address,
+ format (s, "Next-hop:\t%U\n\t", format_ip4_address,
&ls_mem->nh_addr.ip4);
}
- else
+ else if (ls_mem->inner_type == AS_TYPE_IP6)
{
s =
- format (s, "Next-hop:\t%U\n", format_ip6_address,
+ format (s, "Next-hop:\t%U\n\t", format_ip6_address,
&ls_mem->nh_addr.ip6);
}
- s = format (s, "\tOutgoing iface:\t%U\n", format_vnet_sw_if_index_name, vnm,
+ s = format (s, "Outgoing iface:\t%U\n", format_vnet_sw_if_index_name, vnm,
ls_mem->sw_if_index_out);
s = format (s, "\tIncoming iface:\t%U\n", format_vnet_sw_if_index_name, vnm,
ls_mem->sw_if_index_in);
{
s = format (s, "%U, ", format_ip6_address, addr);
}
- s = format (s, "\b\b > ");
+ s = format (s, "\b\b >\n");
+
+ vlib_counter_t valid, invalid;
+ vlib_get_combined_counter (&(sm->valid_counters), ls_mem->index, &valid);
+ vlib_get_combined_counter (&(sm->invalid_counters), ls_mem->index,
+ &invalid);
+ s =
+ format (s, "\tGood rewrite traffic: \t[%Ld packets : %Ld bytes]\n",
+ valid.packets, valid.bytes);
+ s =
+ format (s, "\tBad rewrite traffic: \t[%Ld packets : %Ld bytes]\n",
+ invalid.packets, invalid.bytes);
return s;
}
vnet_main_t *vnm = vnet_get_main ();
- u8 ip_version = 0;
+ u8 inner_type = AS_TYPE_L2;
ip46_address_t nh_addr;
u32 sw_if_index_out;
u32 sw_if_index_in;
unformat_ip4_address,
&nh_addr.ip4))
{
- ip_version = DA_IP4;
+ inner_type = AS_TYPE_IP4;
params |= PARAM_AS_NH;
}
if (!(params & PARAM_AS_NH) && unformat (input, "nh %U",
unformat_ip6_address,
&nh_addr.ip6))
{
- ip_version = DA_IP6;
+ inner_type = AS_TYPE_IP6;
params |= PARAM_AS_NH;
}
else if (!(params & PARAM_AS_OIF) && unformat (input, "oif %U",
}
/* Make sure that all parameters are supplied */
- u8 params_chk = (PARAM_AS_NH | PARAM_AS_OIF | PARAM_AS_IIF | PARAM_AS_SRC);
+ u8 params_chk = (PARAM_AS_OIF | PARAM_AS_IIF | PARAM_AS_SRC);
if ((params & params_chk) != params_chk || sid_list == NULL)
{
vec_free (sid_list);
/* Allocate and initialize memory block for local SID parameters */
ls_mem = clib_mem_alloc_aligned_at_offset (sizeof *ls_mem, 0, 0, 1);
- memset (ls_mem, 0, sizeof *ls_mem);
+ clib_memset (ls_mem, 0, sizeof *ls_mem);
*plugin_mem_p = ls_mem;
/* Set local SID parameters */
- ls_mem->ip_version = ip_version;
- if (ip_version == DA_IP4)
+ ls_mem->inner_type = inner_type;
+ if (inner_type == AS_TYPE_IP4)
ls_mem->nh_addr.ip4 = nh_addr.ip4;
- else
+ else if (inner_type == AS_TYPE_IP6)
ls_mem->nh_addr.ip6 = nh_addr.ip6;
ls_mem->sw_if_index_out = sw_if_index_out;
ls_mem->sw_if_index_in = sw_if_index_in;
}
/* *INDENT-OFF* */
+VNET_FEATURE_INIT (srv6_as2_rewrite, static) =
+{
+ .arc_name = "device-input",
+ .node_name = "srv6-as2-rewrite",
+ .runs_before = VNET_FEATURES ("ethernet-input"),
+};
+
VNET_FEATURE_INIT (srv6_as4_rewrite, static) =
{
.arc_name = "ip4-unicast",
VLIB_PLUGIN_REGISTER () = {
.version = VPP_BUILD_VER,
- .description = "Static SRv6 proxy",
+ .description = "Static Segment Routing for IPv6 (SRv6) Proxy",
};
/* *INDENT-ON* */
Code Review / vpp.git / blobdiff