/*
- * Copyright (c) 2020 Arrcus Inc and/or its affiliates.
+ * Copyright (c) 2019 Arrcus Inc and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
srv6_end_rewrite_trace_t *t = va_arg (*args, srv6_end_rewrite_trace_t *);
- return format (s,
- "SRv6-END-rewrite: src %U dst %U\n\tTEID: 0x%x\n\tsr_prefix: %U/%d",
- format_ip6_address, &t->src, format_ip6_address, &t->dst,
- clib_net_to_host_u32 (t->teid), format_ip6_address,
- &t->sr_prefix, t->sr_prefixlen);
+ return format (
+ s, "SRv6-END-rewrite: src %U dst %U\n\tTEID: 0x%x\n\tsr_prefix: %U/%d",
+ format_ip6_address, &t->src, format_ip6_address, &t->dst,
+ clib_net_to_host_u32 (t->teid), format_ip6_address, &t->sr_prefix,
+ t->sr_prefixlen);
}
#define foreach_srv6_end_v4_error \
typedef enum
{
SRV6_T_M_GTP4_D_NEXT_DROP,
- SRV6_T_M_GTP4_D_NEXT_LOOKUP,
+ SRV6_T_M_GTP4_D_NEXT_LOOKUP4,
+ SRV6_T_M_GTP4_D_NEXT_LOOKUP6,
SRV6_T_M_GTP4_D_N_NEXT,
} srv6_T_m_gtp4_d_next_t;
typedef enum
{
SRV6_END_M_GTP6_D_NEXT_DROP,
- SRV6_END_M_GTP6_D_NEXT_LOOKUP,
+ SRV6_END_M_GTP6_D_NEXT_LOOKUP4,
+ SRV6_END_M_GTP6_D_NEXT_LOOKUP6,
SRV6_END_M_GTP6_D_N_NEXT,
} srv6_end_m_gtp6_d_next_t;
}
// Function for SRv6 GTP4.E function.
-VLIB_NODE_FN (srv6_end_m_gtp4_e) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (srv6_end_m_gtp4_e)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
srv6_end_main_v4_t *sm = &srv6_end_main_v4;
ip6_sr_main_t *sm2 = &sr_main;
u32 bi0;
vlib_buffer_t *b0;
ip6_sr_localsid_t *ls0;
- srv6_end_gtp4_param_t *ls_param;
+ srv6_end_gtp4_e_param_t *ls_param;
ip6srv_combo_header_t *ip6srv0;
ip6_address_t src0, dst0;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- ls0 =
- pool_elt_at_index (sm2->localsids,
- vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+ ls0 = pool_elt_at_index (sm2->localsids,
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
- ls_param = (srv6_end_gtp4_param_t *) ls0->plugin_mem;
+ ls_param = (srv6_end_gtp4_e_param_t *) ls0->plugin_mem;
ip6srv0 = vlib_buffer_get_current (b0);
src0 = ip6srv0->ip.src_address;
len0 = vlib_buffer_length_in_chain (vm, b0);
- if ((ip6srv0->ip.protocol == IPPROTO_IPV6_ROUTE
- && len0 <
- sizeof (ip6srv_combo_header_t) + ip6srv0->sr.length * 8)
- || (len0 < sizeof (ip6_header_t)))
+ if ((ip6srv0->ip.protocol == IPPROTO_IPV6_ROUTE &&
+ len0 <
+ sizeof (ip6srv_combo_header_t) + ip6srv0->sr.length * 8) ||
+ (len0 < sizeof (ip6_header_t)))
{
next0 = SRV6_END_M_GTP4_E_NEXT_DROP;
u8 gtpu_type = 0;
u16 tag = 0;
u32 teid = 0;
- u8 *teid8p = (u8 *) & teid;
+ u8 *teid8p = (u8 *) &teid;
u8 qfi = 0;
u16 seq = 0;
u32 index;
qfi = dst0.as_u8[offset + 4];
- if (gtpu_type == GTPU_TYPE_ECHO_REQUEST
- || gtpu_type == GTPU_TYPE_ECHO_REPLY
- || gtpu_type == GTPU_TYPE_ERROR_INDICATION)
+ if (gtpu_type == GTPU_TYPE_ECHO_REQUEST ||
+ gtpu_type == GTPU_TYPE_ECHO_REPLY ||
+ gtpu_type == GTPU_TYPE_ERROR_INDICATION)
{
clib_memcpy_fast (&seq, &dst0.as_u8[offset + 5], 2);
}
qfi |= dst0.as_u8[offset + 4] << shift;
qfi |= dst0.as_u8[offset + 5] >> (8 - shift);
- if (gtpu_type == GTPU_TYPE_ECHO_REQUEST
- || gtpu_type == GTPU_TYPE_ECHO_REPLY
- || gtpu_type == GTPU_TYPE_ERROR_INDICATION)
+ if (gtpu_type == GTPU_TYPE_ECHO_REQUEST ||
+ gtpu_type == GTPU_TYPE_ECHO_REPLY ||
+ gtpu_type == GTPU_TYPE_ERROR_INDICATION)
{
- sp = (u8 *) & seq;
+ sp = (u8 *) &seq;
for (index = 0; index < 2; index++)
{
sp[index] = dst0.as_u8[offset + 5 + index] << shift;
hdrlen =
sizeof (gtpu_exthdr_t) + sizeof (gtpu_pdu_session_t);
}
- else if (gtpu_type == GTPU_TYPE_ECHO_REQUEST
- || gtpu_type == GTPU_TYPE_ECHO_REPLY
- || gtpu_type == GTPU_TYPE_ERROR_INDICATION)
+ else if (gtpu_type == GTPU_TYPE_ECHO_REQUEST ||
+ gtpu_type == GTPU_TYPE_ECHO_REPLY ||
+ gtpu_type == GTPU_TYPE_ERROR_INDICATION)
{
hdrlen = sizeof (gtpu_exthdr_t);
}
if (ext_len >
sizeof (ip6_address_t) * (ip6srv0->sr.last_entry + 1))
{
- tlv =
- (ip6_sr_tlv_t *) ((u8 *) & ip6srv0->sr +
- sizeof (ip6_sr_header_t) +
- sizeof (ip6_address_t) *
- (ip6srv0->sr.last_entry + 1));
+ tlv = (ip6_sr_tlv_t *) ((u8 *) &ip6srv0->sr +
+ sizeof (ip6_sr_header_t) +
+ sizeof (ip6_address_t) *
+ (ip6srv0->sr.last_entry + 1));
if (tlv->type == SRH_TLV_USER_PLANE_CONTAINER)
{
{
vlib_buffer_advance (b0,
(word) sizeof (ip6srv_combo_header_t) +
- ip6srv0->sr.length * 8);
+ ip6srv0->sr.length * 8);
}
else
{
hdr0->gtpu.type = gtpu_type;
- if (qfi)
- {
- u8 type = 0;
- gtpu_pdu_session_t *sess;
-
- hdr0->gtpu.ver_flags |= GTPU_EXTHDR_FLAG;
-
- hdr0->gtpu.ext->seq = 0;
-
- hdr0->gtpu.ext->npdu_num = 0;
- hdr0->gtpu.ext->nextexthdr = GTPU_EXTHDR_PDU_SESSION;
-
- type = qfi & SRV6_PDU_SESSION_U_BIT_MASK;
-
- qfi =
- ((qfi & SRV6_PDU_SESSION_QFI_MASK) >> 2) |
- ((qfi & SRV6_PDU_SESSION_R_BIT_MASK) << 5);
-
- sess =
- (gtpu_pdu_session_t *) (((char *) hdr0) +
- sizeof (ip4_gtpu_header_t) +
- sizeof (gtpu_exthdr_t));
- sess->exthdrlen = 1;
- sess->type = type;
- sess->spare = 0;
- sess->u.val = qfi;
- sess->nextexthdr = 0;
- }
-
- if (gtpu_type == GTPU_TYPE_ECHO_REPLY
- || gtpu_type == GTPU_TYPE_ECHO_REQUEST
- || gtpu_type == GTPU_TYPE_ERROR_INDICATION)
+ if (gtpu_type == GTPU_TYPE_ECHO_REPLY ||
+ gtpu_type == GTPU_TYPE_ECHO_REQUEST ||
+ gtpu_type == GTPU_TYPE_ERROR_INDICATION)
{
hdr0->gtpu.ver_flags |= GTPU_SEQ_FLAG;
hdr0->gtpu.ext->seq = seq;
}
}
}
+ else
+ {
+ if (qfi)
+ {
+ hdr0->gtpu.ext->seq = 0;
+ hdr0->gtpu.ext->npdu_num = 0;
+ }
+ }
- offset = ls_param->v4src_position / 8;
- shift = ls_param->v4src_position % 8;
+ if (qfi)
+ {
+ u8 type = 0;
+ gtpu_pdu_session_t *sess;
- if (PREDICT_TRUE (shift == 0))
+ hdr0->gtpu.ver_flags |= GTPU_EXTHDR_FLAG;
+
+ hdr0->gtpu.ext->nextexthdr = GTPU_EXTHDR_PDU_SESSION;
+
+ type = qfi & SRV6_PDU_SESSION_U_BIT_MASK;
+
+ qfi = ((qfi & SRV6_PDU_SESSION_QFI_MASK) >> 2) |
+ ((qfi & SRV6_PDU_SESSION_R_BIT_MASK) << 5);
+
+ sess = (gtpu_pdu_session_t *) (((char *) hdr0) +
+ sizeof (ip4_gtpu_header_t) +
+ sizeof (gtpu_exthdr_t));
+ sess->exthdrlen = 1;
+ sess->type = type;
+ sess->spare = 0;
+ sess->u.val = qfi;
+ sess->nextexthdr = 0;
+ }
+
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = ls_param->fib4_index;
+
+ if (ls_param->v4src_position)
{
- for (index = 0; index < 4; index++)
+ offset = ls_param->v4src_position / 8;
+ shift = ls_param->v4src_position % 8;
+
+ if (PREDICT_TRUE (shift == 0))
{
- hdr0->ip4.src_address.as_u8[index] =
- src0.as_u8[offset + index];
+ for (index = 0; index < 4; index++)
+ {
+ hdr0->ip4.src_address.as_u8[index] =
+ src0.as_u8[offset + index];
+ }
+ }
+ else
+ {
+ for (index = 0; index < 4; index++)
+ {
+ hdr0->ip4.src_address.as_u8[index] =
+ src0.as_u8[offset + index] << shift;
+ hdr0->ip4.src_address.as_u8[index] |=
+ src0.as_u8[offset + index + 1] >> (8 - shift);
+ }
}
}
else
{
- for (index = 0; index < 4; index++)
- {
- hdr0->ip4.src_address.as_u8[index] =
- src0.as_u8[offset + index] << shift;
- hdr0->ip4.src_address.as_u8[index] |=
- src0.as_u8[offset + index + 1] >> (8 - shift);
- }
+ clib_memcpy_fast (&hdr0->ip4.src_address,
+ &ls_param->v4src_addr, 4);
}
key = hash_memory (p, plen < 40 ? plen : 40, 0);
port = hash_uword_to_u16 (&key);
hdr0->udp.src_port = port;
- hdr0->udp.length = clib_host_to_net_u16 (len0 +
- sizeof (udp_header_t) +
- sizeof
- (gtpu_header_t));
+ hdr0->udp.length = clib_host_to_net_u16 (
+ len0 + sizeof (udp_header_t) + sizeof (gtpu_header_t));
- hdr0->ip4.length = clib_host_to_net_u16 (len0 +
- sizeof
- (ip4_gtpu_header_t));
+ hdr0->ip4.length =
+ clib_host_to_net_u16 (len0 + sizeof (ip4_gtpu_header_t));
hdr0->ip4.checksum = ip4_header_checksum (&hdr0->ip4);
srv6_end_rewrite_trace_t *tr =
vlib_add_trace (vm, node, b0, sizeof (*tr));
clib_memcpy (tr->src.as_u8, hdr0->ip4.src_address.as_u8,
- sizeof (hdr0->ip4.src_address.as_u8));
+ sizeof (tr->src.as_u8));
clib_memcpy (tr->dst.as_u8, hdr0->ip4.dst_address.as_u8,
- sizeof (hdr0->ip4.dst_address.as_u8));
+ sizeof (tr->dst.as_u8));
tr->teid = hdr0->gtpu.teid;
}
}
- vlib_increment_combined_counter
- (((next0 ==
- SRV6_END_M_GTP4_E_NEXT_DROP) ? &(sm2->sr_ls_invalid_counters) :
- &(sm2->sr_ls_valid_counters)), thread_index,
- ls0 - sm2->localsids, 1, vlib_buffer_length_in_chain (vm, b0));
+ vlib_increment_combined_counter (
+ ((next0 == SRV6_END_M_GTP4_E_NEXT_DROP) ?
+ &(sm2->sr_ls_invalid_counters) :
+ &(sm2->sr_ls_valid_counters)),
+ thread_index, ls0 - sm2->localsids, 1,
+ vlib_buffer_length_in_chain (vm, b0));
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
n_left_to_next, bi0, next0);
}
// Function for SRv6 GTP4.D function.
-VLIB_NODE_FN (srv6_t_m_gtp4_d) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+static inline u32
+srv6_gtp4_decap_processing (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_buffer_t *b0)
{
srv6_t_main_v4_decap_t *sm = &srv6_t_main_v4_decap;
ip6_sr_main_t *sm2 = &sr_main;
- u32 n_left_from, next_index, *from, *to_next;
- u32 good_n = 0, bad_n = 0;
+ ip6_sr_sl_t *sl0;
+ srv6_end_gtp4_d_param_t *ls_param;
+ ip4_header_t *ip4;
- from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors;
- next_index = node->cached_next_index;
+ uword len0;
- while (n_left_from > 0)
- {
- u32 n_left_to_next;
+ u32 next0 = SRV6_T_M_GTP4_D_NEXT_LOOKUP6;
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+ sl0 = pool_elt_at_index (sm2->sid_lists,
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
- while (n_left_from > 0 && n_left_to_next > 0)
+ ls_param = (srv6_end_gtp4_d_param_t *) sl0->plugin_mem;
+
+ len0 = vlib_buffer_length_in_chain (vm, b0);
+
+ ip4 = vlib_buffer_get_current (b0);
+
+ if (ip4->protocol != IP_PROTOCOL_UDP || len0 < sizeof (ip4_gtpu_header_t))
+ {
+ next0 = SRV6_T_M_GTP4_D_NEXT_DROP;
+ }
+ else
+ {
+ uword *p;
+ ip6_sr_policy_t *sr_policy = NULL;
+ ip6_sr_sl_t *sl = NULL;
+ u32 *sl_index;
+ u32 hdr_len;
+
+ ip4_gtpu_header_t *hdr;
+ ip4_address_t src, dst;
+ u8 *srcp, *dstp;
+ ip6_header_t *encap = NULL;
+ ip6_address_t seg;
+ ip6_address_t src6;
+ u8 gtpu_type;
+ u32 teid;
+ u8 *teidp;
+ u8 qfi = 0;
+ u8 *qfip = NULL;
+ u16 seq = 0;
+ u8 *seqp;
+ u32 offset, shift, index;
+ ip6srv_combo_header_t *ip6srv;
+ gtpu_pdu_session_t *sess = NULL;
+ int ie_size = 0;
+ u16 tlv_siz = 0;
+ u8 ie_buf[GTPU_IE_MAX_SIZ];
+
+ // Decap from GTP-U.
+ hdr = (ip4_gtpu_header_t *) ip4;
+
+ hdr_len = sizeof (ip4_gtpu_header_t);
+
+ teid = hdr->gtpu.teid;
+ teidp = (u8 *) &teid;
+
+ seqp = (u8 *) &seq;
+
+ gtpu_type = hdr->gtpu.type;
+
+ if (hdr->gtpu.ver_flags & (GTPU_EXTHDR_FLAG | GTPU_SEQ_FLAG))
{
- u32 bi0;
- vlib_buffer_t *b0;
- ip6_sr_sl_t *sl0;
- srv6_end_gtp4_param_t *ls_param;
- ip4_header_t *ip4;
+ // Extention header.
+ hdr_len += sizeof (gtpu_exthdr_t);
- uword len0;
+ seq = hdr->gtpu.ext->seq;
- u32 next0 = SRV6_T_M_GTP4_D_NEXT_LOOKUP;
+ if (hdr->gtpu.ext->nextexthdr == GTPU_EXTHDR_PDU_SESSION)
+ {
+ // PDU Session Container.
+ sess = (gtpu_pdu_session_t *) (((char *) hdr) + hdr_len);
+ qfi = sess->u.val & ~GTPU_PDU_SESSION_P_BIT_MASK;
+ qfip = (u8 *) &qfi;
- // defaults
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
+ hdr_len += sizeof (gtpu_pdu_session_t);
- b0 = vlib_get_buffer (vm, bi0);
+ if (sess->u.val & GTPU_PDU_SESSION_P_BIT_MASK)
+ {
+ hdr_len += sizeof (gtpu_paging_policy_t);
+ }
+ }
+ }
- sl0 =
- pool_elt_at_index (sm2->sid_lists,
- vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+ src = hdr->ip4.src_address;
+ srcp = (u8 *) &src;
- ls_param = (srv6_end_gtp4_param_t *) sl0->plugin_mem;
+ dst = hdr->ip4.dst_address;
+ dstp = (u8 *) &dst;
- len0 = vlib_buffer_length_in_chain (vm, b0);
+ seg = ls_param->sr_prefix;
+
+ offset = ls_param->sr_prefixlen / 8;
+ shift = ls_param->sr_prefixlen % 8;
- ip4 = vlib_buffer_get_current (b0);
+ if (PREDICT_TRUE (shift == 0))
+ {
+ clib_memcpy_fast (&seg.as_u8[offset], dstp, 4);
- if (ip4->protocol != IP_PROTOCOL_UDP
- || len0 < sizeof (ip4_gtpu_header_t))
+ if (qfip)
{
- next0 = SRV6_T_M_GTP4_D_NEXT_DROP;
+ qfi = ((qfi & GTPU_PDU_SESSION_QFI_MASK) << 2) |
+ ((qfi & GTPU_PDU_SESSION_R_BIT_MASK) >> 5);
- bad_n++;
+ if (sess->type)
+ {
+ qfi |= SRV6_PDU_SESSION_U_BIT_MASK;
+ }
+
+ seg.as_u8[offset + 4] = qfi;
+ }
+
+ if (gtpu_type == GTPU_TYPE_ECHO_REQUEST ||
+ gtpu_type == GTPU_TYPE_ECHO_REPLY ||
+ gtpu_type == GTPU_TYPE_ERROR_INDICATION)
+ {
+ clib_memcpy_fast (&seg.as_u8[offset + 5], seqp, 2);
}
else
{
- uword *p;
- ip6_sr_policy_t *sr_policy = NULL;
- ip6_sr_sl_t *sl = NULL;
- u32 *sl_index;
- u32 hdr_len;
-
- ip4_gtpu_header_t *hdr;
- ip4_address_t src, dst;
- u8 *srcp, *dstp;
- ip6_header_t *encap = NULL;
- ip6_address_t seg;
- ip6_address_t src6;
- u8 gtpu_type;
- u32 teid;
- u8 *teidp;
- u8 qfi = 0;
- u8 *qfip = NULL;
- u16 seq = 0;
- u8 *seqp;
- u32 offset, shift, index;
- ip6srv_combo_header_t *ip6srv;
- gtpu_pdu_session_t *sess = NULL;
- int ie_size = 0;
- u16 tlv_siz = 0;
- u8 ie_buf[GTPU_IE_MAX_SIZ];
+ clib_memcpy_fast (&seg.as_u8[offset + 5], teidp, 4);
+ }
+ }
+ else
+ {
+ for (index = 0; index < 4; index++)
+ {
+ seg.as_u8[offset + index] |= dstp[index] >> shift;
+ seg.as_u8[offset + index + 1] |= dstp[index] << (8 - shift);
+ }
- // Decap from GTP-U.
- hdr = (ip4_gtpu_header_t *) ip4;
+ if (qfip)
+ {
+ qfi = ((qfi & GTPU_PDU_SESSION_QFI_MASK) << 2) |
+ ((qfi & GTPU_PDU_SESSION_R_BIT_MASK) >> 5);
- hdr_len = sizeof (ip4_gtpu_header_t);
+ if (sess->type)
+ {
+ qfi |= SRV6_PDU_SESSION_U_BIT_MASK;
+ }
- teid = hdr->gtpu.teid;
- teidp = (u8 *) & teid;
+ seg.as_u8[offset + 4] |= qfi >> shift;
+ seg.as_u8[offset + 5] |= qfi << (8 - shift);
+ }
- seqp = (u8 *) & seq;
+ if (gtpu_type == GTPU_TYPE_ECHO_REQUEST ||
+ gtpu_type == GTPU_TYPE_ECHO_REPLY ||
+ gtpu_type == GTPU_TYPE_ERROR_INDICATION)
+ {
+ for (index = 0; index < 2; index++)
+ {
+ seg.as_u8[offset + 5 + index] |= seqp[index] >> shift;
+ seg.as_u8[offset + 6 + index] |= seqp[index] << (8 - shift);
+ }
+ }
+ else
+ {
+ for (index = 0; index < 4; index++)
+ {
+ seg.as_u8[offset + index + 5] |= teidp[index] >> shift;
+ seg.as_u8[offset + index + 6] |= teidp[index] << (8 - shift);
+ }
+ }
+ }
- gtpu_type = hdr->gtpu.type;
+ if (PREDICT_FALSE (gtpu_type == GTPU_TYPE_ERROR_INDICATION))
+ {
+ u16 payload_len;
- if (hdr->gtpu.ver_flags & (GTPU_EXTHDR_FLAG | GTPU_SEQ_FLAG))
+ payload_len = clib_net_to_host_u16 (hdr->gtpu.length);
+ if (payload_len != 0)
+ {
+ ie_size = payload_len - (hdr_len - sizeof (ip4_gtpu_header_t));
+ if (ie_size > 0)
{
- // Extention header.
- hdr_len += sizeof (gtpu_exthdr_t);
+ u8 *ies;
- seq = hdr->gtpu.ext->seq;
+ ies = (u8 *) ((u8 *) hdr + hdr_len);
+ clib_memcpy_fast (ie_buf, ies, ie_size);
+ hdr_len += ie_size;
+ }
+ }
+ }
- if (hdr->gtpu.ext->nextexthdr == GTPU_EXTHDR_PDU_SESSION)
- {
- // PDU Session Container.
- sess =
- (gtpu_pdu_session_t *) (((char *) hdr) + hdr_len);
- qfi = sess->u.val & ~GTPU_PDU_SESSION_P_BIT_MASK;
- qfip = (u8 *) & qfi;
+ src6 = ls_param->v6src_prefix;
- hdr_len += sizeof (gtpu_pdu_session_t);
+ offset = ls_param->v6src_prefixlen / 8;
+ shift = ls_param->v6src_prefixlen % 8;
- if (sess->u.val & GTPU_PDU_SESSION_P_BIT_MASK)
- {
- hdr_len += sizeof (gtpu_paging_policy_t);
- }
- }
- }
+ if (PREDICT_TRUE (shift == 0))
+ {
+ clib_memcpy_fast (&src6.as_u8[offset], srcp, 4);
+ }
+ else
+ {
+ for (index = 0; index < 4; index++)
+ {
+ src6.as_u8[offset + index] |= srcp[offset] >> shift;
+ src6.as_u8[offset + index + 1] |= srcp[offset] << (8 - shift);
+ }
+ }
- src = hdr->ip4.src_address;
- srcp = (u8 *) & src;
+ vlib_buffer_advance (b0, (word) hdr_len);
- dst = hdr->ip4.dst_address;
- dstp = (u8 *) & dst;
+ // Encap to SRv6.
+ if (PREDICT_TRUE (gtpu_type == GTPU_TYPE_GTPU))
+ {
+ encap = vlib_buffer_get_current (b0);
+ }
- seg = ls_param->sr_prefix;
+ len0 = vlib_buffer_length_in_chain (vm, b0);
- offset = ls_param->sr_prefixlen / 8;
- shift = ls_param->sr_prefixlen % 8;
+ p = mhash_get (&sm2->sr_policies_index_hash, &ls_param->sr_prefix);
+ if (p)
+ {
+ sr_policy = pool_elt_at_index (sm2->sr_policies, p[0]);
+ }
- if (PREDICT_TRUE (shift == 0))
- {
- clib_memcpy_fast (&seg.as_u8[offset], dstp, 4);
+ if (sr_policy)
+ {
+ vec_foreach (sl_index, sr_policy->segments_lists)
+ {
+ sl = pool_elt_at_index (sm2->sid_lists, *sl_index);
+ if (sl != NULL)
+ break;
+ }
+ }
- if (qfip)
- {
- qfi =
- ((qfi & GTPU_PDU_SESSION_QFI_MASK) << 2) |
- ((qfi & GTPU_PDU_SESSION_R_BIT_MASK) >> 5);
+ if (sl)
+ {
+ hdr_len = sizeof (ip6srv_combo_header_t);
+ hdr_len += vec_len (sl->segments) * sizeof (ip6_address_t);
+ hdr_len += sizeof (ip6_address_t);
+ }
+ else
+ {
+ hdr_len = sizeof (ip6_header_t);
- if (sess->type)
- {
- qfi |= SRV6_PDU_SESSION_U_BIT_MASK;
- }
+ if (PREDICT_FALSE (gtpu_type != GTPU_TYPE_GTPU))
+ {
+ hdr_len += sizeof (ip6_sr_header_t);
+ hdr_len += sizeof (ip6_address_t);
+ }
+ }
- seg.as_u8[offset + 4] = qfi;
- }
+ if (ie_size)
+ {
+ tlv_siz =
+ sizeof (ip6_sr_tlv_t) + sizeof (user_plane_sub_tlv_t) + ie_size;
- if (gtpu_type == GTPU_TYPE_ECHO_REQUEST
- || gtpu_type == GTPU_TYPE_ECHO_REPLY
- || gtpu_type == GTPU_TYPE_ERROR_INDICATION)
- {
- clib_memcpy_fast (&seg.as_u8[offset + 5], seqp, 2);
- }
- else
- {
- clib_memcpy_fast (&seg.as_u8[offset + 5], teidp, 4);
- }
- }
- else
- {
- for (index = 0; index < 4; index++)
- {
- seg.as_u8[offset + index] |= dstp[index] >> shift;
- seg.as_u8[offset + index + 1] |=
- dstp[index] << (8 - shift);
- }
+ tlv_siz = (tlv_siz & ~0x07) + (tlv_siz & 0x07 ? 0x08 : 0x0);
+ hdr_len += tlv_siz;
+ }
- if (qfip)
- {
- qfi =
- ((qfi & GTPU_PDU_SESSION_QFI_MASK) << 2) |
- ((qfi & GTPU_PDU_SESSION_R_BIT_MASK) >> 5);
+ vlib_buffer_advance (b0, -(word) hdr_len);
+ ip6srv = vlib_buffer_get_current (b0);
- if (sess->type)
- {
- qfi |= SRV6_PDU_SESSION_U_BIT_MASK;
- }
+ if (sl)
+ {
+ clib_memcpy_fast (ip6srv, sl->rewrite, vec_len (sl->rewrite));
- seg.as_u8[offset + 4] |= qfi >> shift;
- seg.as_u8[offset + 5] |= qfi << (8 - shift);
- }
+ if (vec_len (sl->segments) > 1)
+ {
+ ip6srv->sr.tag = clib_host_to_net_u16 (srh_tagfield[gtpu_type]);
- if (gtpu_type == GTPU_TYPE_ECHO_REQUEST
- || gtpu_type == GTPU_TYPE_ECHO_REPLY
- || gtpu_type == GTPU_TYPE_ERROR_INDICATION)
- {
- for (index = 0; index < 2; index++)
- {
- seg.as_u8[offset + 5 + index] |=
- seqp[index] >> shift;
- seg.as_u8[offset + 6 + index] |=
- seqp[index] << (8 - shift);
- }
- }
- else
- {
- for (index = 0; index < 4; index++)
- {
- seg.as_u8[offset + index + 5] |=
- teidp[index] >> shift;
- seg.as_u8[offset + index + 6] |=
- teidp[index] << (8 - shift);
- }
- }
- }
+ ip6srv->sr.segments_left += 1;
+ ip6srv->sr.last_entry += 1;
- if (PREDICT_FALSE (gtpu_type == GTPU_TYPE_ERROR_INDICATION))
- {
- u16 payload_len;
+ ip6srv->sr.length += sizeof (ip6_address_t) / 8;
+ ip6srv->sr.segments[0] = seg;
- payload_len = clib_net_to_host_u16 (hdr->gtpu.length);
- if (payload_len != 0)
- {
- ie_size =
- payload_len - (hdr_len - sizeof (ip4_gtpu_header_t));
- if (ie_size > 0)
- {
- u8 *ies;
+ clib_memcpy_fast (&ip6srv->sr.segments[1],
+ (u8 *) (sl->rewrite + sizeof (ip6_header_t) +
+ sizeof (ip6_sr_header_t)),
+ vec_len (sl->segments) *
+ sizeof (ip6_address_t));
+ }
+ else
+ {
+ ip6srv->ip.protocol = IP_PROTOCOL_IPV6_ROUTE;
- ies = (u8 *) ((u8 *) hdr + hdr_len);
- clib_memcpy_fast (ie_buf, ies, ie_size);
- hdr_len += ie_size;
- }
- }
- }
+ ip6srv->sr.type = ROUTING_HEADER_TYPE_SR;
- src6 = ls_param->v6src_prefix;
+ ip6srv->sr.segments_left = 1;
+ ip6srv->sr.last_entry = 0;
- offset = ls_param->v6src_prefixlen / 8;
- shift = ls_param->v6src_prefixlen % 8;
+ ip6srv->sr.length =
+ ((sizeof (ip6_sr_header_t) + sizeof (ip6_address_t)) / 8) - 1;
+ ip6srv->sr.flags = 0;
- if (PREDICT_TRUE (shift == 0))
+ ip6srv->sr.tag = clib_host_to_net_u16 (srh_tagfield[gtpu_type]);
+
+ ip6srv->sr.segments[0] = seg;
+ if (vec_len (sl->segments))
{
- clib_memcpy_fast (&src6.as_u8[offset], srcp, 4);
+ ip6srv->sr.segments[1] = sl->segments[0];
+ ip6srv->sr.length += sizeof (ip6_address_t) / 8;
+ ip6srv->sr.last_entry++;
}
- else
+ }
+
+ if (PREDICT_TRUE (encap != NULL))
+ {
+ if (ls_param->nhtype == SRV6_NHTYPE_NONE)
{
- for (index = 0; index < 4; index++)
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
+ 28) == 6)
+ ip6srv->sr.protocol = IP_PROTOCOL_IPV6;
+ else
+ ip6srv->sr.protocol = IP_PROTOCOL_IP_IN_IP;
+ }
+ else if (ls_param->nhtype == SRV6_NHTYPE_IPV4)
+ {
+ ip6srv->sr.protocol = IP_PROTOCOL_IP_IN_IP;
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
+ 28) != 4)
{
- src6.as_u8[offset + index] |= srcp[offset] >> shift;
- src6.as_u8[offset + index + 1] |=
- srcp[offset] << (8 - shift);
+ // Bad encap packet.
+ next0 = SRV6_T_M_GTP4_D_NEXT_DROP;
+ goto DONE;
}
}
-
- vlib_buffer_advance (b0, (word) hdr_len);
-
- // Encap to SRv6.
- if (PREDICT_TRUE (gtpu_type == GTPU_TYPE_GTPU))
+ else if (ls_param->nhtype == SRV6_NHTYPE_IPV6)
{
- encap = vlib_buffer_get_current (b0);
+ ip6srv->sr.protocol = IP_PROTOCOL_IPV6;
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
+ 28) != 6)
+ {
+ // Bad encap packet.
+ next0 = SRV6_T_M_GTP4_D_NEXT_DROP;
+ goto DONE;
+ }
}
-
- len0 = vlib_buffer_length_in_chain (vm, b0);
-
- p =
- mhash_get (&sm2->sr_policies_index_hash,
- &ls_param->sr_prefix);
- if (p)
+ else if (ls_param->nhtype == SRV6_NHTYPE_NON_IP)
{
- sr_policy = pool_elt_at_index (sm2->sr_policies, p[0]);
+ ip6srv->sr.protocol = IP_PROTOCOL_IP6_ETHERNET;
}
+ }
+ else
+ {
+ ip6srv->sr.protocol = IP_PROTOCOL_IP6_ETHERNET;
+ }
+ }
+ else
+ {
+ clib_memcpy_fast (ip6srv, &sm->cache_hdr, sizeof (ip6_header_t));
- if (sr_policy)
+ ip6srv->ip.dst_address = seg;
+
+ if (PREDICT_FALSE (gtpu_type != GTPU_TYPE_GTPU))
+ {
+ ip6srv->ip.protocol = IP_PROTOCOL_IPV6_ROUTE;
+
+ ip6srv->sr.protocol = IP_PROTOCOL_IP6_ETHERNET;
+
+ ip6srv->sr.type = ROUTING_HEADER_TYPE_SR;
+
+ ip6srv->sr.tag = clib_host_to_net_u16 (srh_tagfield[gtpu_type]);
+
+ ip6srv->sr.segments_left = 0;
+ ip6srv->sr.last_entry = 0;
+
+ ip6srv->sr.length = sizeof (ip6_address_t) / 8;
+ ip6srv->sr.segments[0] = seg;
+ }
+ else
+ {
+ if (ls_param->nhtype == SRV6_NHTYPE_NONE)
{
- vec_foreach (sl_index, sr_policy->segments_lists)
- {
- sl = pool_elt_at_index (sm2->sid_lists, *sl_index);
- if (sl != NULL)
- break;
- }
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
+ 28) == 6)
+ ip6srv->ip.protocol = IP_PROTOCOL_IPV6;
+ else
+ ip6srv->ip.protocol = IP_PROTOCOL_IP_IN_IP;
}
-
- if (sl)
+ else if (ls_param->nhtype == SRV6_NHTYPE_IPV4)
{
- hdr_len = sizeof (ip6srv_combo_header_t);
- hdr_len += vec_len (sl->segments) * sizeof (ip6_address_t);
- hdr_len += sizeof (ip6_address_t);
+ ip6srv->ip.protocol = IP_PROTOCOL_IP_IN_IP;
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
+ 28) != 4)
+ {
+ // Bad encap packet.
+ next0 = SRV6_T_M_GTP4_D_NEXT_DROP;
+ goto DONE;
+ }
}
- else
+ else if (ls_param->nhtype == SRV6_NHTYPE_IPV6)
{
- hdr_len = sizeof (ip6_header_t);
-
- if (PREDICT_FALSE (gtpu_type != GTPU_TYPE_GTPU))
+ ip6srv->ip.protocol = IP_PROTOCOL_IPV6;
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
+ 28) != 6)
{
- hdr_len += sizeof (ip6_sr_header_t);
- hdr_len += sizeof (ip6_address_t);
+ // Bad encap packet.
+ next0 = SRV6_T_M_GTP4_D_NEXT_DROP;
+ goto DONE;
}
}
-
- if (ie_size)
+ else if (ls_param->nhtype == SRV6_NHTYPE_NON_IP)
{
- tlv_siz =
- sizeof (ip6_sr_tlv_t) + sizeof (user_plane_sub_tlv_t) +
- ie_size;
-
- tlv_siz = (tlv_siz & ~0x07) + (tlv_siz & 0x07 ? 0x08 : 0x0);
- hdr_len += tlv_siz;
+ ip6srv->ip.protocol = IP_PROTOCOL_IP6_ETHERNET;
}
+ }
+ }
- vlib_buffer_advance (b0, -(word) hdr_len);
- ip6srv = vlib_buffer_get_current (b0);
+ ip6srv->ip.src_address = src6;
- if (sl)
- {
- clib_memcpy_fast (ip6srv, sl->rewrite,
- vec_len (sl->rewrite));
+ if (PREDICT_FALSE (ie_size))
+ {
+ ip6_sr_tlv_t *tlv;
+ user_plane_sub_tlv_t *sub_tlv;
- if (vec_len (sl->segments) > 1)
- {
- ip6srv->sr.tag =
- clib_host_to_net_u16 (srh_tagfield[gtpu_type]);
+ tlv = (ip6_sr_tlv_t *) ((u8 *) ip6srv + (hdr_len - tlv_siz));
+ tlv->type = SRH_TLV_USER_PLANE_CONTAINER;
+ tlv->length = (u8) (tlv_siz - sizeof (ip6_sr_tlv_t));
+ clib_memset (tlv->value, 0, tlv->length);
- ip6srv->sr.segments_left += 1;
- ip6srv->sr.last_entry += 1;
+ sub_tlv = (user_plane_sub_tlv_t *) tlv->value;
+ sub_tlv->type = USER_PLANE_SUB_TLV_IE;
+ sub_tlv->length = (u8) ie_size;
+ clib_memcpy_fast (sub_tlv->value, ie_buf, ie_size);
- ip6srv->sr.length += sizeof (ip6_address_t) / 8;
- ip6srv->sr.segments[0] = seg;
+ ip6srv->sr.length += (u8) (tlv_siz / 8);
+ }
- clib_memcpy_fast (&ip6srv->sr.segments[1],
- (u8 *) (sl->rewrite +
- sizeof (ip6_header_t) +
- sizeof (ip6_sr_header_t)),
- vec_len (sl->segments) *
- sizeof (ip6_address_t));
- }
- else
- {
- ip6srv->ip.protocol = IP_PROTOCOL_IPV6_ROUTE;
+ ip6srv->ip.payload_length =
+ clib_host_to_net_u16 (len0 + hdr_len - sizeof (ip6_header_t));
- ip6srv->sr.type = ROUTING_HEADER_TYPE_SR;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = 0; /* default FIB */
- ip6srv->sr.segments_left = 1;
- ip6srv->sr.last_entry = 0;
+ if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE) &&
+ PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ srv6_end_rewrite_trace_t *tr =
+ vlib_add_trace (vm, node, b0, sizeof (*tr));
+ clib_memcpy (tr->src.as_u8, ip6srv->ip.src_address.as_u8,
+ sizeof (tr->src.as_u8));
+ clib_memcpy (tr->dst.as_u8, ip6srv->ip.dst_address.as_u8,
+ sizeof (tr->dst.as_u8));
+ }
+ }
- ip6srv->sr.length =
- ((sizeof (ip6_sr_header_t) +
- sizeof (ip6_address_t)) / 8) - 1;
- ip6srv->sr.flags = 0;
+DONE:
+ return next0;
+}
- ip6srv->sr.tag =
- clib_host_to_net_u16 (srh_tagfield[gtpu_type]);
+VLIB_NODE_FN (srv6_t_m_gtp4_d)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
+{
+ srv6_t_main_v4_decap_t *sm = &srv6_t_main_v4_decap;
+ ip6_sr_main_t *sm2 = &sr_main;
+ u32 n_left_from, next_index, *from, *to_next;
- ip6srv->sr.segments[0] = seg;
- if (vec_len (sl->segments))
- {
- ip6srv->sr.segments[1] = sl->segments[0];
- ip6srv->sr.length += sizeof (ip6_address_t) / 8;
- ip6srv->sr.last_entry++;
- }
- }
+ ip6_sr_sl_t *sl0;
+ srv6_end_gtp4_d_param_t *ls_param;
- if (PREDICT_TRUE (encap != NULL))
- {
- if (ls_param->nhtype == SRV6_NHTYPE_NONE)
- {
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label)
- >> 28) == 6)
- ip6srv->sr.protocol = IP_PROTOCOL_IPV6;
- else
- ip6srv->sr.protocol = IP_PROTOCOL_IP_IN_IP;
- }
- else if (ls_param->nhtype == SRV6_NHTYPE_IPV4)
- {
- ip6srv->sr.protocol = IP_PROTOCOL_IP_IN_IP;
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label)
- >> 28) != 4)
- {
- // Bad encap packet.
- next0 = SRV6_T_M_GTP4_D_NEXT_DROP;
- bad_n++;
- goto DONE;
- }
- }
- else if (ls_param->nhtype == SRV6_NHTYPE_IPV6)
- {
- ip6srv->sr.protocol = IP_PROTOCOL_IPV6;
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label)
- >> 28) != 6)
- {
- // Bad encap packet.
- next0 = SRV6_T_M_GTP4_D_NEXT_DROP;
- bad_n++;
- goto DONE;
- }
- }
- else if (ls_param->nhtype == SRV6_NHTYPE_NON_IP)
- {
- ip6srv->sr.protocol = IP_PROTOCOL_IP6_ETHERNET;
- }
- }
- else
- {
- ip6srv->sr.protocol = IP_PROTOCOL_IP6_ETHERNET;
- }
- }
- else
- {
- clib_memcpy_fast (ip6srv, &sm->cache_hdr,
- sizeof (ip6_header_t));
+ u32 good_n = 0, bad_n = 0;
- ip6srv->ip.dst_address = seg;
+ from = vlib_frame_vector_args (frame);
+ n_left_from = frame->n_vectors;
+ next_index = node->cached_next_index;
- if (PREDICT_FALSE (gtpu_type != GTPU_TYPE_GTPU))
- {
- ip6srv->ip.protocol = IP_PROTOCOL_IPV6_ROUTE;
+ while (n_left_from > 0)
+ {
+ u32 n_left_to_next;
- ip6srv->sr.protocol = IP_PROTOCOL_IP6_ETHERNET;
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
- ip6srv->sr.tag =
- clib_host_to_net_u16 (srh_tagfield[gtpu_type]);
+ while (n_left_from > 0 && n_left_to_next > 0)
+ {
+ u32 bi0;
+ vlib_buffer_t *b0;
- ip6srv->sr.segments_left = 0;
- ip6srv->sr.last_entry = 0;
+ u32 next0;
- ip6srv->sr.length = sizeof (ip6_address_t) / 8;
- ip6srv->sr.segments[0] = seg;
- }
- else
+ ip4_gtpu_header_t *hdr;
+ u32 hdrlen;
+ u8 gtpu_type;
+ bool gtp4;
+ bool ipv4;
+
+ // defaults
+ bi0 = from[0];
+ to_next[0] = bi0;
+ from += 1;
+ to_next += 1;
+ n_left_from -= 1;
+ n_left_to_next -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+
+ sl0 = pool_elt_at_index (sm2->sid_lists,
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+
+ ls_param = (srv6_end_gtp4_d_param_t *) sl0->plugin_mem;
+
+ hdr = vlib_buffer_get_current (b0);
+ gtpu_type = hdr->gtpu.type;
+
+ gtp4 = false;
+ ipv4 = true;
+
+ if (PREDICT_FALSE (gtpu_type != GTPU_TYPE_GTPU || ls_param->drop_in))
+ {
+ gtp4 = true;
+ }
+ else
+ {
+ ip6_header_t *ip6;
+
+ hdrlen = sizeof (ip4_gtpu_header_t);
+
+ if (hdr->gtpu.ver_flags & (GTPU_EXTHDR_FLAG | GTPU_SEQ_FLAG))
+ {
+ hdrlen += sizeof (gtpu_exthdr_t);
+ if (hdr->gtpu.ext->nextexthdr == GTPU_EXTHDR_PDU_SESSION)
{
- if (ls_param->nhtype == SRV6_NHTYPE_NONE)
- {
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label)
- >> 28) == 6)
- ip6srv->ip.protocol = IP_PROTOCOL_IPV6;
- else
- ip6srv->ip.protocol = IP_PROTOCOL_IP_IN_IP;
- }
- else if (ls_param->nhtype == SRV6_NHTYPE_IPV4)
- {
- ip6srv->ip.protocol = IP_PROTOCOL_IP_IN_IP;
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label)
- >> 28) != 4)
- {
- // Bad encap packet.
- next0 = SRV6_T_M_GTP4_D_NEXT_DROP;
- bad_n++;
- goto DONE;
- }
- }
- else if (ls_param->nhtype == SRV6_NHTYPE_IPV6)
- {
- ip6srv->ip.protocol = IP_PROTOCOL_IPV6;
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label)
- >> 28) != 6)
- {
- // Bad encap packet.
- next0 = SRV6_T_M_GTP4_D_NEXT_DROP;
- bad_n++;
- goto DONE;
- }
- }
- else if (ls_param->nhtype == SRV6_NHTYPE_NON_IP)
+ gtpu_pdu_session_t *sess;
+ sess = (gtpu_pdu_session_t *) (((char *) hdr) + hdrlen);
+ hdrlen += sizeof (gtpu_pdu_session_t);
+
+ if (sess->u.val & GTPU_PDU_SESSION_P_BIT_MASK)
{
- ip6srv->ip.protocol = IP_PROTOCOL_IP6_ETHERNET;
+ hdrlen += sizeof (gtpu_paging_policy_t);
}
}
}
- ip6srv->ip.src_address = src6;
-
- if (PREDICT_FALSE (ie_size))
+ ip6 = (ip6_header_t *) (((char *) hdr) + hdrlen);
+ if ((clib_net_to_host_u32 (
+ ip6->ip_version_traffic_class_and_flow_label) >>
+ 28) == 6)
{
- ip6_sr_tlv_t *tlv;
- user_plane_sub_tlv_t *sub_tlv;
-
- tlv =
- (ip6_sr_tlv_t *) ((u8 *) ip6srv + (hdr_len - tlv_siz));
- tlv->type = SRH_TLV_USER_PLANE_CONTAINER;
- tlv->length = (u8) (tlv_siz - sizeof (ip6_sr_tlv_t));
- clib_memset (tlv->value, 0, tlv->length);
-
- sub_tlv = (user_plane_sub_tlv_t *) tlv->value;
- sub_tlv->type = USER_PLANE_SUB_TLV_IE;
- sub_tlv->length = (u8) ie_size;
- clib_memcpy_fast (sub_tlv->value, ie_buf, ie_size);
-
- ip6srv->sr.length += (u8) (tlv_siz / 8);
+ ipv4 = false;
+ if (((ip6->dst_address.as_u8[0] == 0xff) &&
+ (ip6->dst_address.as_u8[1] == 0x02)) ||
+ ((ip6->dst_address.as_u8[0] == 0xfe) &&
+ ((ip6->dst_address.as_u8[1] & 0xc0) == 0x80)))
+ {
+ // Inner desitnation is IPv6 link local
+ gtp4 = true;
+ }
}
+ }
- ip6srv->ip.payload_length =
- clib_host_to_net_u16 (len0 + hdr_len - sizeof (ip6_header_t));
-
- good_n++;
+ if (gtp4)
+ {
+ next0 = srv6_gtp4_decap_processing (vm, node, b0);
+ if (PREDICT_TRUE (next0 == SRV6_T_M_GTP4_D_NEXT_LOOKUP6))
+ good_n++;
+ else
+ bad_n++;
+ }
+ else
+ {
+ /* Strip off the outer header (IPv4 + GTP + UDP + IEs) */
+ vlib_buffer_advance (b0, (word) hdrlen);
- if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE) &&
- PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ if (ipv4)
{
- srv6_end_rewrite_trace_t *tr =
- vlib_add_trace (vm, node, b0, sizeof (*tr));
- clib_memcpy (tr->src.as_u8, ip6srv->ip.src_address.as_u8,
- sizeof (tr->src.as_u8));
- clib_memcpy (tr->dst.as_u8, ip6srv->ip.dst_address.as_u8,
- sizeof (tr->dst.as_u8));
+ next0 = SRV6_T_M_GTP4_D_NEXT_LOOKUP4;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] =
+ ls_param->fib4_index;
+ }
+ else
+ {
+ next0 = SRV6_T_M_GTP4_D_NEXT_LOOKUP6;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] =
+ ls_param->fib6_index;
}
}
- DONE:
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
n_left_to_next, bi0, next0);
}
srv6_end_error_v4_strings,.n_next_nodes =
SRV6_END_M_GTP4_E_N_NEXT,.next_nodes =
{
- [SRV6_END_M_GTP4_E_NEXT_DROP] =
- "error-drop",[SRV6_END_M_GTP4_E_NEXT_LOOKUP] = "ip4-lookup",}
+ [SRV6_END_M_GTP4_E_NEXT_DROP] = "error-drop",
+ [SRV6_END_M_GTP4_E_NEXT_LOOKUP] = "ip4-lookup",}
,};
VLIB_REGISTER_NODE (srv6_t_m_gtp4_d) =
srv6_t_error_v4_d_strings,.n_next_nodes =
SRV6_T_M_GTP4_D_N_NEXT,.next_nodes =
{
- [SRV6_T_M_GTP4_D_NEXT_DROP] =
- "error-drop",[SRV6_T_M_GTP4_D_NEXT_LOOKUP] = "ip6-lookup",}
+ [SRV6_T_M_GTP4_D_NEXT_DROP] = "error-drop",
+ [SRV6_T_M_GTP4_D_NEXT_LOOKUP4] = "ip4-lookup",
+ [SRV6_T_M_GTP4_D_NEXT_LOOKUP6] = "ip6-lookup",}
,};
// Function for SRv6 GTP6.E function
-VLIB_NODE_FN (srv6_end_m_gtp6_e) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (srv6_end_m_gtp6_e)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
srv6_end_main_v6_t *sm = &srv6_end_main_v6;
ip6_sr_main_t *sm2 = &sr_main;
u32 bi0;
vlib_buffer_t *b0;
ip6_sr_localsid_t *ls0;
+ srv6_end_gtp6_e_param_t *ls_param;
ip6srv_combo_header_t *ip6srv0;
ip6_address_t dst0, src0, seg0;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- ls0 =
- pool_elt_at_index (sm2->localsids,
- vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+ ls0 = pool_elt_at_index (sm2->localsids,
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+
+ ls_param = (srv6_end_gtp6_e_param_t *) ls0->plugin_mem;
ip6srv0 = vlib_buffer_get_current (b0);
dst0 = ip6srv0->ip.dst_address;
len0 = vlib_buffer_length_in_chain (vm, b0);
- if ((ip6srv0->ip.protocol != IPPROTO_IPV6_ROUTE)
- || (len0 <
- sizeof (ip6srv_combo_header_t) + 8 * ip6srv0->sr.length))
+ if ((ip6srv0->ip.protocol != IPPROTO_IPV6_ROUTE) ||
+ (len0 < sizeof (ip6srv_combo_header_t) + 8 * ip6srv0->sr.length))
{
next0 = SRV6_END_M_GTP6_E_NEXT_DROP;
// logic
u32 teid = 0;
- u8 *teid8p = (u8 *) & teid;
+ u8 *teid8p = (u8 *) &teid;
u8 qfi = 0;
u16 seq = 0;
u8 gtpu_type = 0;
if (PREDICT_TRUE (shift == 0))
{
qfi = dst0.as_u8[offset];
-
- if (gtpu_type == GTPU_TYPE_ECHO_REQUEST
- || gtpu_type == GTPU_TYPE_ECHO_REPLY
- || gtpu_type == GTPU_TYPE_ERROR_INDICATION)
+ if (gtpu_type == GTPU_TYPE_ECHO_REQUEST ||
+ gtpu_type == GTPU_TYPE_ECHO_REPLY ||
+ gtpu_type == GTPU_TYPE_ERROR_INDICATION)
{
clib_memcpy_fast (&seq, &dst0.as_u8[offset + 1], 2);
}
qfi |= dst0.as_u8[offset] << shift;
qfi |= dst0.as_u8[offset + 1] >> (8 - shift);
- if (gtpu_type == GTPU_TYPE_ECHO_REQUEST
- || gtpu_type == GTPU_TYPE_ECHO_REPLY
- || gtpu_type == GTPU_TYPE_ERROR_INDICATION)
+ if (gtpu_type == GTPU_TYPE_ECHO_REQUEST ||
+ gtpu_type == GTPU_TYPE_ECHO_REPLY ||
+ gtpu_type == GTPU_TYPE_ERROR_INDICATION)
{
- sp = (u8 *) & seq;
+ sp = (u8 *) &seq;
for (index = 0; index < 2; index++)
{
- sp[index] = dst0.as_u8[offset + index + 1] << shift;
+ sp[index] = dst0.as_u8[offset + 1 + index] << shift;
sp[index] |=
dst0.as_u8[offset + index + 2] >> (8 - shift);
}
hdrlen =
sizeof (gtpu_exthdr_t) + sizeof (gtpu_pdu_session_t);
}
- else if (gtpu_type == GTPU_TYPE_ECHO_REQUEST
- || gtpu_type == GTPU_TYPE_ECHO_REPLY
- || gtpu_type == GTPU_TYPE_ERROR_INDICATION)
+ else if (gtpu_type == GTPU_TYPE_ECHO_REQUEST ||
+ gtpu_type == GTPU_TYPE_ECHO_REPLY ||
+ gtpu_type == GTPU_TYPE_ERROR_INDICATION)
{
hdrlen = sizeof (gtpu_exthdr_t);
}
if (ext_len >
sizeof (ip6_address_t) * (ip6srv0->sr.last_entry + 1))
{
- tlv =
- (ip6_sr_tlv_t *) ((u8 *) & ip6srv0->sr +
- sizeof (ip6_sr_header_t) +
- sizeof (ip6_address_t) *
- (ip6srv0->sr.last_entry + 1));
+ tlv = (ip6_sr_tlv_t *) ((u8 *) &ip6srv0->sr +
+ sizeof (ip6_sr_header_t) +
+ sizeof (ip6_address_t) *
+ (ip6srv0->sr.last_entry + 1));
if (tlv->type == SRH_TLV_USER_PLANE_CONTAINER)
{
}
}
- vlib_buffer_advance (b0,
- (word) sizeof (ip6srv_combo_header_t) +
- ip6srv0->sr.length * 8);
+ vlib_buffer_advance (b0, (word) sizeof (ip6srv_combo_header_t) +
+ ip6srv0->sr.length * 8);
// get length of encapsulated IPv6 packet (the remaining part)
p = vlib_buffer_get_current (b0);
hdr0->gtpu.type = gtpu_type;
- if (qfi)
- {
- u8 type = 0;
- gtpu_pdu_session_t *sess;
-
- hdr0->gtpu.ver_flags |= GTPU_EXTHDR_FLAG;
-
- hdr0->gtpu.ext->seq = 0;
- hdr0->gtpu.ext->npdu_num = 0;
- hdr0->gtpu.ext->nextexthdr = GTPU_EXTHDR_PDU_SESSION;
-
- type = qfi & SRV6_PDU_SESSION_U_BIT_MASK;
-
- qfi =
- ((qfi & SRV6_PDU_SESSION_QFI_MASK) >> 2) |
- ((qfi & SRV6_PDU_SESSION_R_BIT_MASK) << 5);
-
- sess =
- (gtpu_pdu_session_t *) (((char *) hdr0) +
- sizeof (ip6_gtpu_header_t) +
- sizeof (gtpu_exthdr_t));
- sess->exthdrlen = 1;
- sess->type = type;
- sess->spare = 0;
- sess->u.val = qfi;
- sess->nextexthdr = 0;
- }
-
- if (gtpu_type == GTPU_TYPE_ECHO_REQUEST
- || gtpu_type == GTPU_TYPE_ECHO_REPLY
- || gtpu_type == GTPU_TYPE_ERROR_INDICATION)
+ if (gtpu_type == GTPU_TYPE_ECHO_REQUEST ||
+ gtpu_type == GTPU_TYPE_ECHO_REPLY ||
+ gtpu_type == GTPU_TYPE_ERROR_INDICATION)
{
hdr0->gtpu.ver_flags |= GTPU_SEQ_FLAG;
hdr0->gtpu.ext->seq = seq;
}
}
}
+ else
+ {
+ if (qfi)
+ {
+ hdr0->gtpu.ext->seq = 0;
+ hdr0->gtpu.ext->npdu_num = 0;
+ }
+ }
+
+ if (qfi)
+ {
+ u8 type = 0;
+ gtpu_pdu_session_t *sess;
+
+ hdr0->gtpu.ver_flags |= GTPU_EXTHDR_FLAG;
+
+ hdr0->gtpu.ext->nextexthdr = GTPU_EXTHDR_PDU_SESSION;
+
+ type = qfi & SRV6_PDU_SESSION_U_BIT_MASK;
+
+ qfi = ((qfi & SRV6_PDU_SESSION_QFI_MASK) >> 2) |
+ ((qfi & SRV6_PDU_SESSION_R_BIT_MASK) << 5);
+
+ sess = (gtpu_pdu_session_t *) (((char *) hdr0) +
+ sizeof (ip6_gtpu_header_t) +
+ sizeof (gtpu_exthdr_t));
+ sess->exthdrlen = 1;
+ sess->type = type;
+ sess->spare = 0;
+ sess->u.val = qfi;
+ sess->nextexthdr = 0;
+ }
- hdr0->udp.length = clib_host_to_net_u16 (len0 +
- sizeof (udp_header_t) +
- sizeof
- (gtpu_header_t));
+ hdr0->udp.length = clib_host_to_net_u16 (
+ len0 + sizeof (udp_header_t) + sizeof (gtpu_header_t));
clib_memcpy_fast (hdr0->ip6.src_address.as_u8, src0.as_u8,
sizeof (ip6_address_t));
clib_memcpy_fast (hdr0->ip6.dst_address.as_u8, &seg0.as_u8,
sizeof (ip6_address_t));
- hdr0->ip6.payload_length = clib_host_to_net_u16 (len0 +
- sizeof
- (udp_header_t)
- +
- sizeof
- (gtpu_header_t));
+ hdr0->ip6.payload_length = clib_host_to_net_u16 (
+ len0 + sizeof (udp_header_t) + sizeof (gtpu_header_t));
// UDP source port.
key = hash_memory (p, plen < 40 ? plen : 40, 0);
port = hash_uword_to_u16 (&key);
hdr0->udp.src_port = port;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = ls_param->fib6_index;
+
good_n++;
if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE) &&
}
}
- vlib_increment_combined_counter
- (((next0 ==
- SRV6_END_M_GTP6_E_NEXT_DROP) ? &(sm2->sr_ls_invalid_counters) :
- &(sm2->sr_ls_valid_counters)), thread_index,
- ls0 - sm2->localsids, 1, vlib_buffer_length_in_chain (vm, b0));
+ vlib_increment_combined_counter (
+ ((next0 == SRV6_END_M_GTP6_E_NEXT_DROP) ?
+ &(sm2->sr_ls_invalid_counters) :
+ &(sm2->sr_ls_valid_counters)),
+ thread_index, ls0 - sm2->localsids, 1,
+ vlib_buffer_length_in_chain (vm, b0));
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
n_left_to_next, bi0, next0);
}
// Function for SRv6 GTP6.D function
-VLIB_NODE_FN (srv6_end_m_gtp6_d) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+static inline u32
+srv6_gtp6_decap_processing (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_buffer_t *b0)
{
srv6_end_main_v6_decap_t *sm = &srv6_end_main_v6_decap;
ip6_sr_main_t *sm2 = &sr_main;
- u32 n_left_from, next_index, *from, *to_next;
- u32 thread_index = vm->thread_index;
- u32 good_n = 0, bad_n = 0;
+ ip6_sr_localsid_t *ls0;
+ srv6_end_gtp6_d_param_t *ls_param;
- from = vlib_frame_vector_args (frame);
- n_left_from = frame->n_vectors;
- next_index = node->cached_next_index;
+ ip6_gtpu_header_t *hdr0 = NULL;
+ uword len0;
- while (n_left_from > 0)
+ ip6_address_t seg0, src0, dst0;
+ u32 teid = 0;
+ u8 *teidp;
+ u8 gtpu_type = 0;
+ u8 qfi;
+ u8 *qfip = NULL;
+ u16 seq = 0;
+ u8 *seqp;
+ u32 offset, shift;
+ u32 hdrlen;
+ ip6_header_t *encap = NULL;
+ gtpu_pdu_session_t *sess = NULL;
+ int ie_size = 0;
+ u16 tlv_siz = 0;
+ u8 ie_buf[GTPU_IE_MAX_SIZ];
+
+ u32 next0 = SRV6_END_M_GTP6_D_NEXT_LOOKUP6;
+
+ ls0 = pool_elt_at_index (sm2->localsids,
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+
+ ls_param = (srv6_end_gtp6_d_param_t *) ls0->plugin_mem;
+
+ hdr0 = vlib_buffer_get_current (b0);
+
+ hdrlen = sizeof (ip6_gtpu_header_t);
+
+ len0 = vlib_buffer_length_in_chain (vm, b0);
+
+ if ((hdr0->ip6.protocol != IP_PROTOCOL_UDP) ||
+ (hdr0->udp.dst_port != clib_host_to_net_u16 (SRV6_GTP_UDP_DST_PORT)) ||
+ (len0 < sizeof (ip6_gtpu_header_t)))
{
- u32 n_left_to_next;
+ next0 = SRV6_END_M_GTP6_D_NEXT_DROP;
+ }
+ else
+ {
+ seg0 = ls_param->sr_prefix;
+ src0 = hdr0->ip6.src_address;
+ dst0 = hdr0->ip6.dst_address;
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+ gtpu_type = hdr0->gtpu.type;
- while (n_left_from > 0 && n_left_to_next > 0)
+ teid = hdr0->gtpu.teid;
+ teidp = (u8 *) &teid;
+
+ seqp = (u8 *) &seq;
+
+ if (hdr0->gtpu.ver_flags & (GTPU_EXTHDR_FLAG | GTPU_SEQ_FLAG))
{
- u32 bi0;
- vlib_buffer_t *b0;
- ip6_sr_localsid_t *ls0;
- srv6_end_gtp6_param_t *ls_param;
+ // Extention header.
+ hdrlen += sizeof (gtpu_exthdr_t);
- ip6_gtpu_header_t *hdr0 = NULL;
- uword len0;
+ seq = hdr0->gtpu.ext->seq;
- ip6_address_t seg0, src0;
- u32 teid = 0;
- u8 *teidp;
- u8 gtpu_type = 0;
- u8 qfi;
- u8 *qfip = NULL;
- u16 seq = 0;
- u8 *seqp;
- u32 offset, shift;
- u32 hdrlen;
- ip6_header_t *encap = NULL;
- gtpu_pdu_session_t *sess = NULL;
- int ie_size = 0;
- u16 tlv_siz = 0;
- u8 ie_buf[GTPU_IE_MAX_SIZ];
+ if (hdr0->gtpu.ext->nextexthdr == GTPU_EXTHDR_PDU_SESSION)
+ {
+ // PDU Session Container.
+ sess = (gtpu_pdu_session_t *) (((char *) hdr0) +
+ sizeof (ip6_gtpu_header_t) +
+ sizeof (gtpu_exthdr_t));
+ qfi = sess->u.val & ~GTPU_PDU_SESSION_P_BIT_MASK;
+ qfip = (u8 *) &qfi;
- u32 next0 = SRV6_END_M_GTP6_D_NEXT_LOOKUP;
+ hdrlen += sizeof (gtpu_pdu_session_t);
- // defaults
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
+ if (sess->u.val & GTPU_PDU_SESSION_P_BIT_MASK)
+ {
+ hdrlen += sizeof (gtpu_paging_policy_t);
+ }
+ }
+ }
- b0 = vlib_get_buffer (vm, bi0);
- ls0 =
- pool_elt_at_index (sm2->localsids,
- vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+ offset = ls_param->sr_prefixlen / 8;
+ shift = ls_param->sr_prefixlen % 8;
- ls_param = (srv6_end_gtp6_param_t *) ls0->plugin_mem;
+ if (PREDICT_TRUE (shift == 0))
+ {
+ if (qfip)
+ {
+ qfi = ((qfi & GTPU_PDU_SESSION_QFI_MASK) << 2) |
+ ((qfi & GTPU_PDU_SESSION_R_BIT_MASK) >> 5);
- hdr0 = vlib_buffer_get_current (b0);
+ if (sess->type)
+ {
+ qfi |= SRV6_PDU_SESSION_U_BIT_MASK;
+ }
- hdrlen = sizeof (ip6_gtpu_header_t);
+ seg0.as_u8[offset] = qfi;
+ }
- len0 = vlib_buffer_length_in_chain (vm, b0);
+ if (gtpu_type == GTPU_TYPE_ECHO_REQUEST ||
+ gtpu_type == GTPU_TYPE_ECHO_REPLY ||
+ gtpu_type == GTPU_TYPE_ERROR_INDICATION)
+ {
+ clib_memcpy_fast (&seg0.as_u8[offset + 1], seqp, 2);
+ }
+ else
+ {
+ clib_memcpy_fast (&seg0.as_u8[offset + 1], teidp, 4);
+ }
+ }
+ else
+ {
+ int idx;
- if ((hdr0->ip6.protocol != IP_PROTOCOL_UDP)
- || (hdr0->udp.dst_port !=
- clib_host_to_net_u16 (SRV6_GTP_UDP_DST_PORT))
- || (len0 < sizeof (ip6_gtpu_header_t)))
+ if (qfip)
{
- next0 = SRV6_END_M_GTP6_D_NEXT_DROP;
+ qfi = ((qfi & GTPU_PDU_SESSION_QFI_MASK) << 2) |
+ ((qfi & ~GTPU_PDU_SESSION_R_BIT_MASK) >> 5);
- bad_n++;
+ if (sess->type)
+ {
+ qfi |= SRV6_PDU_SESSION_U_BIT_MASK;
+ }
+
+ seg0.as_u8[offset] |= qfi >> shift;
+ seg0.as_u8[offset + 1] |= qfi << (8 - shift);
+ }
+
+ if (gtpu_type == GTPU_TYPE_ECHO_REQUEST ||
+ gtpu_type == GTPU_TYPE_ECHO_REPLY ||
+ gtpu_type == GTPU_TYPE_ERROR_INDICATION)
+ {
+ for (idx = 0; idx < 2; idx++)
+ {
+ seg0.as_u8[offset + idx + 1] |= seqp[idx] >> shift;
+ seg0.as_u8[offset + idx + 2] |= seqp[idx] << (8 - shift);
+ }
}
else
{
- seg0 = ls_param->sr_prefix;
- src0 = hdr0->ip6.src_address;
+ for (idx = 0; idx < 4; idx++)
+ {
+ seg0.as_u8[offset + idx + 1] |= teidp[idx] >> shift;
+ seg0.as_u8[offset + idx + 2] |= teidp[idx] << (8 - shift);
+ }
+ }
+ }
- gtpu_type = hdr0->gtpu.type;
+ if (PREDICT_FALSE (gtpu_type == GTPU_TYPE_ERROR_INDICATION))
+ {
+ u16 payload_len;
- teid = hdr0->gtpu.teid;
- teidp = (u8 *) & teid;
+ payload_len = clib_net_to_host_u16 (hdr0->gtpu.length);
+ if (payload_len != 0)
+ {
+ ie_size = payload_len - (hdrlen - sizeof (ip6_gtpu_header_t));
+ if (ie_size > 0)
+ {
+ u8 *ies;
- seqp = (u8 *) & seq;
+ ies = (u8 *) ((u8 *) hdr0 + hdrlen);
+ clib_memcpy_fast (ie_buf, ies, ie_size);
+ hdrlen += ie_size;
+ }
+ }
+ }
- if (hdr0->gtpu.ver_flags & (GTPU_EXTHDR_FLAG | GTPU_SEQ_FLAG))
- {
- // Extention header.
- hdrlen += sizeof (gtpu_exthdr_t);
+ // jump over variable length data
+ vlib_buffer_advance (b0, (word) hdrlen);
- seq = hdr0->gtpu.ext->seq;
+ // get length of encapsulated IPv6 packet (the remaining part)
+ len0 = vlib_buffer_length_in_chain (vm, b0);
- if (hdr0->gtpu.ext->nextexthdr == GTPU_EXTHDR_PDU_SESSION)
- {
- // PDU Session Container.
- sess =
- (gtpu_pdu_session_t *) (((char *) hdr0) +
- sizeof (ip6_gtpu_header_t) +
- sizeof (gtpu_exthdr_t));
- qfi = sess->u.val & ~GTPU_PDU_SESSION_P_BIT_MASK;
- qfip = (u8 *) & qfi;
+ if (PREDICT_TRUE (gtpu_type == GTPU_TYPE_GTPU))
+ {
+ encap = vlib_buffer_get_current (b0);
+ }
- hdrlen += sizeof (gtpu_pdu_session_t);
+ uword *p;
+ ip6srv_combo_header_t *ip6srv;
+ ip6_sr_policy_t *sr_policy = NULL;
+ ip6_sr_sl_t *sl = NULL;
+ u32 *sl_index;
+ u32 hdr_len;
- if (sess->u.val & GTPU_PDU_SESSION_P_BIT_MASK)
- {
- hdrlen += sizeof (gtpu_paging_policy_t);
- }
- }
- }
+ p = mhash_get (&sm2->sr_policies_index_hash, &ls_param->sr_prefix);
+ if (p)
+ {
+ sr_policy = pool_elt_at_index (sm2->sr_policies, p[0]);
+ }
- offset = ls_param->sr_prefixlen / 8;
- shift = ls_param->sr_prefixlen % 8;
+ if (sr_policy)
+ {
+ vec_foreach (sl_index, sr_policy->segments_lists)
+ {
+ sl = pool_elt_at_index (sm2->sid_lists, *sl_index);
+ if (sl != NULL)
+ break;
+ }
+ }
- if (PREDICT_TRUE (shift == 0))
- {
- if (gtpu_type == GTPU_TYPE_ECHO_REQUEST
- || gtpu_type == GTPU_TYPE_ECHO_REPLY
- || gtpu_type == GTPU_TYPE_ERROR_INDICATION)
- {
- clib_memcpy_fast (&seg0.as_u8[offset + 1], seqp, 2);
- }
- else
- {
- clib_memcpy_fast (&seg0.as_u8[offset + 1], teidp, 4);
- }
+ if (sl)
+ {
+ hdr_len = sizeof (ip6srv_combo_header_t);
+ hdr_len += vec_len (sl->segments) * sizeof (ip6_address_t);
+ hdr_len += sizeof (ip6_address_t) * 2;
+ }
+ else
+ {
+ hdr_len = sizeof (ip6_header_t);
+ hdr_len += sizeof (ip6_sr_header_t);
+ hdr_len += sizeof (ip6_address_t) * 2;
+ }
- if (qfip)
- {
- qfi =
- ((qfi & GTPU_PDU_SESSION_QFI_MASK) << 2) |
- ((qfi & GTPU_PDU_SESSION_R_BIT_MASK) >> 5);
+ if (ie_size)
+ {
+ tlv_siz =
+ sizeof (ip6_sr_tlv_t) + sizeof (user_plane_sub_tlv_t) + ie_size;
- if (sess->type)
- {
- qfi |= SRV6_PDU_SESSION_U_BIT_MASK;
- }
+ tlv_siz = (tlv_siz & ~0x07) + (tlv_siz & 0x07 ? 0x08 : 0x0);
+ hdr_len += tlv_siz;
+ }
- seg0.as_u8[offset] = qfi;
- }
- }
- else
- {
- int idx;
+ // jump back to data[0] or pre_data if required
+ vlib_buffer_advance (b0, -(word) hdr_len);
- if (gtpu_type == GTPU_TYPE_ECHO_REQUEST
- || gtpu_type == GTPU_TYPE_ECHO_REPLY
- || gtpu_type == GTPU_TYPE_ERROR_INDICATION)
- {
- for (idx = 0; idx < 2; idx++)
- {
- seg0.as_u8[offset + idx + 1] |= seqp[idx] >> shift;
- seg0.as_u8[offset + idx + 2] |=
- seqp[idx] << (8 - shift);
- }
- }
- else
- {
- for (idx = 0; idx < 4; idx++)
- {
- seg0.as_u8[offset + idx + 1] |= teidp[idx] >> shift;
- seg0.as_u8[offset + idx + 2] |=
- teidp[idx] << (8 - shift);
- }
- }
+ ip6srv = vlib_buffer_get_current (b0);
+
+ if (sl)
+ {
+ clib_memcpy_fast (ip6srv, sl->rewrite, vec_len (sl->rewrite));
- if (qfip)
- {
- qfi =
- ((qfi & GTPU_PDU_SESSION_QFI_MASK) << 2) |
- ((qfi & ~GTPU_PDU_SESSION_R_BIT_MASK) >> 5);
+ if (vec_len (sl->segments) > 1)
+ {
+ ip6srv->ip.src_address = src0;
- if (sess->type)
- {
- qfi |= SRV6_PDU_SESSION_U_BIT_MASK;
- }
+ ip6srv->sr.tag = clib_host_to_net_u16 (srh_tagfield[gtpu_type]);
- seg0.as_u8[offset] |= qfi >> shift;
- seg0.as_u8[offset + 1] |= qfi << (8 - shift);
- }
- }
+ ip6srv->sr.type = ROUTING_HEADER_TYPE_SR;
+ ip6srv->sr.segments_left += 2;
+ ip6srv->sr.last_entry += 2;
- if (PREDICT_FALSE (gtpu_type == GTPU_TYPE_ERROR_INDICATION))
- {
- u16 payload_len;
+ ip6srv->sr.length += (sizeof (ip6_address_t) * 2) / 8;
+ ip6srv->sr.segments[0] = dst0;
+ ip6srv->sr.segments[1] = seg0;
- payload_len = clib_net_to_host_u16 (hdr0->gtpu.length);
- if (payload_len != 0)
- {
- ie_size =
- payload_len - (hdrlen - sizeof (ip6_gtpu_header_t));
- if (ie_size > 0)
- {
- u8 *ies;
+ clib_memcpy_fast (&ip6srv->sr.segments[2],
+ (u8 *) (sl->rewrite + sizeof (ip6_header_t) +
+ sizeof (ip6_sr_header_t)),
+ vec_len (sl->segments) *
+ sizeof (ip6_address_t));
+ }
+ else
+ {
+ ip6srv->ip.src_address = src0;
+ ip6srv->ip.protocol = IP_PROTOCOL_IPV6_ROUTE;
- ies = (u8 *) ((u8 *) hdr0 + hdrlen);
- clib_memcpy_fast (ie_buf, ies, ie_size);
- hdrlen += ie_size;
- }
- }
- }
+ ip6srv->sr.type = ROUTING_HEADER_TYPE_SR;
+ ip6srv->sr.segments_left = 2;
+ ip6srv->sr.last_entry = 1;
+ ip6srv->sr.length = (sizeof (ip6_address_t) * 2) / 8;
+ ip6srv->sr.flags = 0;
- // jump over variable length data
- vlib_buffer_advance (b0, (word) hdrlen);
+ ip6srv->sr.tag = clib_host_to_net_u16 (srh_tagfield[gtpu_type]);
- // get length of encapsulated IPv6 packet (the remaining part)
- len0 = vlib_buffer_length_in_chain (vm, b0);
+ ip6srv->sr.segments[0] = dst0;
+ ip6srv->sr.segments[1] = seg0;
- if (PREDICT_TRUE (gtpu_type == GTPU_TYPE_GTPU))
+ if (vec_len (sl->segments))
{
- encap = vlib_buffer_get_current (b0);
+ ip6srv->sr.segments[2] = sl->segments[0];
+ ip6srv->sr.last_entry++;
+ ip6srv->sr.length += sizeof (ip6_address_t) / 8;
}
+ }
- uword *p;
- ip6srv_combo_header_t *ip6srv;
- ip6_sr_policy_t *sr_policy = NULL;
- ip6_sr_sl_t *sl = NULL;
- u32 *sl_index;
- u32 hdr_len;
-
- p =
- mhash_get (&sm2->sr_policies_index_hash,
- &ls_param->sr_prefix);
- if (p)
+ if (PREDICT_TRUE (encap != NULL))
+ {
+ if (ls_param->nhtype == SRV6_NHTYPE_NONE)
{
- sr_policy = pool_elt_at_index (sm2->sr_policies, p[0]);
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
+ 28) == 6)
+ ip6srv->sr.protocol = IP_PROTOCOL_IPV6;
+ else
+ ip6srv->sr.protocol = IP_PROTOCOL_IP_IN_IP;
}
-
- if (sr_policy)
+ else if (ls_param->nhtype == SRV6_NHTYPE_IPV4)
{
- vec_foreach (sl_index, sr_policy->segments_lists)
- {
- sl = pool_elt_at_index (sm2->sid_lists, *sl_index);
- if (sl != NULL)
- break;
- }
+ ip6srv->sr.protocol = IP_PROTOCOL_IP_IN_IP;
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
+ 28) != 4)
+ {
+ // Bad encap packet.
+ next0 = SRV6_END_M_GTP6_D_NEXT_DROP;
+ goto DONE;
+ }
+ }
+ else if (ls_param->nhtype == SRV6_NHTYPE_IPV6)
+ {
+ ip6srv->sr.protocol = IP_PROTOCOL_IPV6;
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
+ 28) != 6)
+ {
+ // Bad encap packet.
+ next0 = SRV6_END_M_GTP6_D_NEXT_DROP;
+ goto DONE;
+ }
+ }
+ else if (ls_param->nhtype == SRV6_NHTYPE_NON_IP)
+ {
+ ip6srv->sr.protocol = IP_PROTOCOL_IP6_ETHERNET;
}
+ }
+ else
+ {
+ ip6srv->sr.protocol = IP_PROTOCOL_IP6_ETHERNET;
+ }
+ }
+ else
+ {
+ clib_memcpy_fast (ip6srv, &sm->cache_hdr, sizeof (ip6_header_t));
- if (sl)
+ ip6srv->ip.src_address = src0;
+ ip6srv->ip.dst_address = seg0;
+
+ ip6srv->ip.protocol = IP_PROTOCOL_IPV6_ROUTE;
+
+ ip6srv->sr.type = ROUTING_HEADER_TYPE_SR;
+ ip6srv->sr.segments_left = 1;
+ ip6srv->sr.last_entry = 1;
+
+ ip6srv->sr.length = (sizeof (ip6_address_t) * 2) / 8;
+ ip6srv->sr.segments[0] = dst0;
+ ip6srv->sr.segments[1] = seg0;
+
+ if (PREDICT_FALSE (gtpu_type) != GTPU_TYPE_GTPU)
+ {
+ ip6srv->sr.protocol = IP_PROTOCOL_IP6_ETHERNET;
+ ip6srv->sr.tag = clib_host_to_net_u16 (srh_tagfield[gtpu_type]);
+ }
+ else
+ {
+ if (ls_param->nhtype == SRV6_NHTYPE_NONE)
{
- hdr_len = sizeof (ip6srv_combo_header_t);
- hdr_len += vec_len (sl->segments) * sizeof (ip6_address_t);
- hdr_len += sizeof (ip6_address_t);
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
+ 28) != 6)
+ ip6srv->sr.protocol = IP_PROTOCOL_IP_IN_IP;
}
- else
+ else if (ls_param->nhtype == SRV6_NHTYPE_IPV4)
{
- hdr_len = sizeof (ip6_header_t);
- if (PREDICT_FALSE (gtpu_type) != GTPU_TYPE_GTPU)
+ ip6srv->sr.protocol = IP_PROTOCOL_IP_IN_IP;
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
+ 28) != 4)
{
- hdr_len += sizeof (ip6_sr_header_t);
- hdr_len += sizeof (ip6_address_t);
+ // Bad encap packet.
+ next0 = SRV6_END_M_GTP6_D_NEXT_DROP;
+ goto DONE;
}
}
-
- if (ie_size)
+ else if (ls_param->nhtype == SRV6_NHTYPE_IPV6)
{
- tlv_siz =
- sizeof (ip6_sr_tlv_t) + sizeof (user_plane_sub_tlv_t) +
- ie_size;
-
- tlv_siz = (tlv_siz & ~0x07) + (tlv_siz & 0x07 ? 0x08 : 0x0);
- hdr_len += tlv_siz;
+ ip6srv->sr.protocol = IP_PROTOCOL_IPV6;
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
+ 28) != 6)
+ {
+ // Bad encap packet.
+ next0 = SRV6_END_M_GTP6_D_NEXT_DROP;
+ goto DONE;
+ }
+ }
+ else if (ls_param->nhtype == SRV6_NHTYPE_NON_IP)
+ {
+ ip6srv->sr.protocol = IP_PROTOCOL_IP6_ETHERNET;
}
+ }
+ }
- // jump back to data[0] or pre_data if required
- vlib_buffer_advance (b0, -(word) hdr_len);
+ if (PREDICT_FALSE (ie_size))
+ {
+ ip6_sr_tlv_t *tlv;
+ user_plane_sub_tlv_t *sub_tlv;
- ip6srv = vlib_buffer_get_current (b0);
+ tlv = (ip6_sr_tlv_t *) ((u8 *) ip6srv + (hdr_len - tlv_siz));
+ tlv->type = SRH_TLV_USER_PLANE_CONTAINER;
+ tlv->length = (u8) (tlv_siz - sizeof (ip6_sr_tlv_t));
+ clib_memset (tlv->value, 0, tlv->length);
- if (sl)
- {
- clib_memcpy_fast (ip6srv, sl->rewrite,
- vec_len (sl->rewrite));
+ sub_tlv = (user_plane_sub_tlv_t *) tlv->value;
+ sub_tlv->type = USER_PLANE_SUB_TLV_IE;
+ sub_tlv->length = (u8) ie_size;
+ clib_memcpy_fast (sub_tlv->value, ie_buf, ie_size);
- if (vec_len (sl->segments) > 1)
- {
- ip6srv->ip.src_address = src0;
+ ip6srv->sr.length += (u8) (tlv_siz / 8);
+ }
- ip6srv->sr.tag =
- clib_host_to_net_u16 (srh_tagfield[gtpu_type]);
+ ip6srv->ip.payload_length =
+ clib_host_to_net_u16 (len0 + hdr_len - sizeof (ip6_header_t));
- ip6srv->sr.segments_left += 1;
- ip6srv->sr.last_entry += 1;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = 0; /* default FIB */
- ip6srv->sr.length += sizeof (ip6_address_t) / 8;
- ip6srv->sr.segments[0] = seg0;
+ if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE) &&
+ PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ {
+ srv6_end_rewrite_trace_t *tr =
+ vlib_add_trace (vm, node, b0, sizeof (*tr));
+ clib_memcpy (tr->src.as_u8, ip6srv->ip.src_address.as_u8,
+ sizeof (ip6_address_t));
+ clib_memcpy (tr->dst.as_u8, ip6srv->ip.dst_address.as_u8,
+ sizeof (ip6_address_t));
+ tr->teid = teid;
+ clib_memcpy (tr->sr_prefix.as_u8, ls_param->sr_prefix.as_u8,
+ sizeof (ip6_address_t));
+ tr->sr_prefixlen = ls_param->sr_prefixlen;
+ }
+ }
- clib_memcpy_fast (&ip6srv->sr.segments[1],
- (u8 *) (sl->rewrite +
- sizeof (ip6_header_t) +
- sizeof (ip6_sr_header_t)),
- vec_len (sl->segments) *
- sizeof (ip6_address_t));
- }
- else
- {
- ip6srv->ip.src_address = src0;
- ip6srv->ip.protocol = IP_PROTOCOL_IPV6_ROUTE;
+DONE:
+ return next0;
+}
- ip6srv->sr.type = ROUTING_HEADER_TYPE_SR;
- ip6srv->sr.segments_left = 1;
- ip6srv->sr.last_entry = 0;
- ip6srv->sr.length =
- ((sizeof (ip6_sr_header_t) +
- sizeof (ip6_address_t)) / 8) - 1;
- ip6srv->sr.flags = 0;
+VLIB_NODE_FN (srv6_end_m_gtp6_d)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
+{
+ srv6_end_main_v6_decap_t *sm = &srv6_end_main_v6_decap;
+ ip6_sr_main_t *sm2 = &sr_main;
+ u32 n_left_from, next_index, *from, *to_next;
+ u32 thread_index = vm->thread_index;
+ ip6_sr_localsid_t *ls0;
+ srv6_end_gtp6_d_param_t *ls_param;
- ip6srv->sr.tag =
- clib_host_to_net_u16 (srh_tagfield[gtpu_type]);
+ u32 good_n = 0, bad_n = 0;
+
+ from = vlib_frame_vector_args (frame);
+ n_left_from = frame->n_vectors;
+ next_index = node->cached_next_index;
- ip6srv->sr.segments[0] = seg0;
+ while (n_left_from > 0)
+ {
+ u32 n_left_to_next;
- if (vec_len (sl->segments))
- {
- ip6srv->sr.segments[1] = sl->segments[0];
- ip6srv->sr.last_entry++;
- ip6srv->sr.length += sizeof (ip6_address_t) / 8;
- }
- }
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
- if (PREDICT_TRUE (encap != NULL))
- {
- if (ls_param->nhtype == SRV6_NHTYPE_NONE)
- {
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label)
- >> 28) == 6)
- ip6srv->sr.protocol = IP_PROTOCOL_IPV6;
- else
- ip6srv->sr.protocol = IP_PROTOCOL_IP_IN_IP;
- }
- else if (ls_param->nhtype == SRV6_NHTYPE_IPV4)
- {
- ip6srv->sr.protocol = IP_PROTOCOL_IP_IN_IP;
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label)
- >> 28) != 4)
- {
- // Bad encap packet.
- next0 = SRV6_END_M_GTP6_D_NEXT_DROP;
- bad_n++;
- goto DONE;
- }
- }
- else if (ls_param->nhtype == SRV6_NHTYPE_IPV6)
- {
- ip6srv->sr.protocol = IP_PROTOCOL_IPV6;
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label)
- >> 28) != 6)
- {
- // Bad encap packet.
- next0 = SRV6_END_M_GTP6_D_NEXT_DROP;
- bad_n++;
- goto DONE;
- }
- }
- else if (ls_param->nhtype == SRV6_NHTYPE_NON_IP)
- {
- ip6srv->sr.protocol = IP_PROTOCOL_IP6_ETHERNET;
- }
- }
- else
- {
- ip6srv->sr.protocol = IP_PROTOCOL_IP6_ETHERNET;
- }
- }
- else
- {
- clib_memcpy_fast (ip6srv, &sm->cache_hdr,
- sizeof (ip6_header_t));
+ while (n_left_from > 0 && n_left_to_next > 0)
+ {
+ u32 bi0;
+ vlib_buffer_t *b0;
- ip6srv->ip.src_address = src0;
- ip6srv->ip.dst_address = seg0;
+ u32 next0;
- if (PREDICT_FALSE (gtpu_type) != GTPU_TYPE_GTPU)
- {
- ip6srv->ip.protocol = IP_PROTOCOL_IPV6_ROUTE;
+ ip6_gtpu_header_t *hdr;
+ u32 hdrlen;
+ u8 gtpu_type;
+ bool gtp6;
+ bool ipv4;
- ip6srv->sr.protocol = IP_PROTOCOL_IP6_ETHERNET;
+ // defaults
+ bi0 = from[0];
+ to_next[0] = bi0;
+ from += 1;
+ to_next += 1;
+ n_left_from -= 1;
+ n_left_to_next -= 1;
- ip6srv->sr.tag =
- clib_host_to_net_u16 (srh_tagfield[gtpu_type]);
+ b0 = vlib_get_buffer (vm, bi0);
- ip6srv->sr.segments_left = 0;
- ip6srv->sr.last_entry = 0;
+ ls0 = pool_elt_at_index (sm2->localsids,
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
- ip6srv->sr.length = sizeof (ip6_address_t) / 8;
- ip6srv->sr.segments[0] = seg0;
- }
- else
+ ls_param = (srv6_end_gtp6_d_param_t *) ls0->plugin_mem;
+
+ hdr = vlib_buffer_get_current (b0);
+ gtpu_type = hdr->gtpu.type;
+
+ gtp6 = false;
+ ipv4 = true;
+
+ if (PREDICT_FALSE (gtpu_type != GTPU_TYPE_GTPU || ls_param->drop_in))
+ {
+ gtp6 = true;
+ }
+ else
+ {
+ ip6_header_t *ip6;
+
+ hdrlen = sizeof (ip6_gtpu_header_t);
+
+ if (hdr->gtpu.ver_flags & (GTPU_EXTHDR_FLAG | GTPU_SEQ_FLAG))
+ {
+ hdrlen += sizeof (gtpu_exthdr_t);
+ if (hdr->gtpu.ext->nextexthdr == GTPU_EXTHDR_PDU_SESSION)
{
- if (ls_param->nhtype == SRV6_NHTYPE_NONE)
- {
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label)
- >> 28) != 6)
- ip6srv->ip.protocol = IP_PROTOCOL_IP_IN_IP;
- }
- else if (ls_param->nhtype == SRV6_NHTYPE_IPV4)
- {
- ip6srv->ip.protocol = IP_PROTOCOL_IP_IN_IP;
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label)
- >> 28) != 4)
- {
- // Bad encap packet.
- next0 = SRV6_END_M_GTP6_D_NEXT_DROP;
- bad_n++;
- goto DONE;
- }
- }
- else if (ls_param->nhtype == SRV6_NHTYPE_IPV6)
- {
- ip6srv->ip.protocol = IP_PROTOCOL_IPV6;
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label)
- >> 28) != 6)
- {
- // Bad encap packet.
- next0 = SRV6_END_M_GTP6_D_NEXT_DROP;
- bad_n++;
- goto DONE;
- }
- }
- else if (ls_param->nhtype == SRV6_NHTYPE_NON_IP)
+ gtpu_pdu_session_t *sess;
+ sess = (gtpu_pdu_session_t *) (((char *) hdr) + hdrlen);
+ hdrlen += sizeof (gtpu_pdu_session_t);
+
+ if (sess->u.val & GTPU_PDU_SESSION_P_BIT_MASK)
{
- ip6srv->ip.protocol = IP_PROTOCOL_IP6_ETHERNET;
+ hdrlen += sizeof (gtpu_paging_policy_t);
}
}
}
- if (PREDICT_FALSE (ie_size))
+ ip6 = (ip6_header_t *) (((char *) hdr) + hdrlen);
+ if ((clib_net_to_host_u32 (
+ ip6->ip_version_traffic_class_and_flow_label) >>
+ 28) == 6)
{
- ip6_sr_tlv_t *tlv;
- user_plane_sub_tlv_t *sub_tlv;
-
- tlv =
- (ip6_sr_tlv_t *) ((u8 *) ip6srv + (hdr_len - tlv_siz));
- tlv->type = SRH_TLV_USER_PLANE_CONTAINER;
- tlv->length = (u8) (tlv_siz - sizeof (ip6_sr_tlv_t));
- clib_memset (tlv->value, 0, tlv->length);
-
- sub_tlv = (user_plane_sub_tlv_t *) tlv->value;
- sub_tlv->type = USER_PLANE_SUB_TLV_IE;
- sub_tlv->length = (u8) ie_size;
- clib_memcpy_fast (sub_tlv->value, ie_buf, ie_size);
-
- ip6srv->sr.length += (u8) (tlv_siz / 8);
+ ipv4 = false;
+ if (((ip6->dst_address.as_u8[0] == 0xff) &&
+ (ip6->dst_address.as_u8[1] == 0x02)) ||
+ ((ip6->dst_address.as_u8[0] == 0xfe) &&
+ ((ip6->dst_address.as_u8[1] & 0xc0) == 0x80)))
+ {
+ // Inner desitnation is IPv6 link local
+ gtp6 = true;
+ }
}
+ }
- ip6srv->ip.payload_length =
- clib_host_to_net_u16 (len0 + hdr_len - sizeof (ip6_header_t));
-
- good_n++;
+ if (gtp6)
+ {
+ next0 = srv6_gtp6_decap_processing (vm, node, b0);
+ if (PREDICT_TRUE (next0 == SRV6_END_M_GTP6_D_NEXT_LOOKUP6))
+ good_n++;
+ else
+ bad_n++;
+
+ vlib_increment_combined_counter (
+ ((next0 == SRV6_END_M_GTP6_D_NEXT_DROP) ?
+ &(sm2->sr_ls_invalid_counters) :
+ &(sm2->sr_ls_valid_counters)),
+ thread_index, ls0 - sm2->localsids, 1,
+ vlib_buffer_length_in_chain (vm, b0));
+ }
+ else
+ {
+ /* Strip off the outer header (IPv6 + GTP + UDP + IEs) */
+ vlib_buffer_advance (b0, (word) hdrlen);
- if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE) &&
- PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
+ if (ipv4)
{
- srv6_end_rewrite_trace_t *tr =
- vlib_add_trace (vm, node, b0, sizeof (*tr));
- clib_memcpy (tr->src.as_u8, ip6srv->ip.src_address.as_u8,
- sizeof (ip6_address_t));
- clib_memcpy (tr->dst.as_u8, ip6srv->ip.dst_address.as_u8,
- sizeof (ip6_address_t));
- tr->teid = teid;
- clib_memcpy (tr->sr_prefix.as_u8, ls_param->sr_prefix.as_u8,
- sizeof (ip6_address_t));
- tr->sr_prefixlen = ls_param->sr_prefixlen;
+ next0 = SRV6_END_M_GTP6_D_NEXT_LOOKUP4;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] =
+ ls_param->fib4_index;
+ }
+ else
+ {
+ next0 = SRV6_END_M_GTP6_D_NEXT_LOOKUP6;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] =
+ ls_param->fib6_index;
}
}
- DONE:
- vlib_increment_combined_counter
- (((next0 ==
- SRV6_END_M_GTP6_D_NEXT_DROP) ? &(sm2->sr_ls_invalid_counters) :
- &(sm2->sr_ls_valid_counters)), thread_index,
- ls0 - sm2->localsids, 1, vlib_buffer_length_in_chain (vm, b0));
-
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
n_left_to_next, bi0, next0);
}
}
// Function for SRv6 GTP6.D.DI function
-VLIB_NODE_FN (srv6_end_m_gtp6_d_di) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (srv6_end_m_gtp6_d_di)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
srv6_end_main_v6_decap_di_t *sm = &srv6_end_main_v6_decap_di;
ip6_sr_main_t *sm2 = &sr_main;
u32 n_left_from, next_index, *from, *to_next;
u32 thread_index = vm->thread_index;
- srv6_end_gtp6_param_t *ls_param;
+ srv6_end_gtp6_d_param_t *ls_param;
u32 good_n = 0, bad_n = 0;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- ls0 =
- pool_elt_at_index (sm2->localsids,
- vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+ ls0 = pool_elt_at_index (sm2->localsids,
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
- ls_param = (srv6_end_gtp6_param_t *) ls0->plugin_mem;
+ ls_param = (srv6_end_gtp6_d_param_t *) ls0->plugin_mem;
hdr0 = vlib_buffer_get_current (b0);
len0 = vlib_buffer_length_in_chain (vm, b0);
- if ((hdr0->ip6.protocol != IP_PROTOCOL_UDP)
- || (hdr0->udp.dst_port !=
- clib_host_to_net_u16 (SRV6_GTP_UDP_DST_PORT))
- || (len0 < sizeof (ip6_gtpu_header_t)))
+ if ((hdr0->ip6.protocol != IP_PROTOCOL_UDP) ||
+ (hdr0->udp.dst_port !=
+ clib_host_to_net_u16 (SRV6_GTP_UDP_DST_PORT)) ||
+ (len0 < sizeof (ip6_gtpu_header_t)))
{
next0 = SRV6_END_M_GTP6_D_DI_NEXT_DROP;
seg0 = ls_param->sr_prefix;
teid = hdr0->gtpu.teid;
- teidp = (u8 *) & teid;
+ teidp = (u8 *) &teid;
- seqp = (u8 *) & seq;
+ seqp = (u8 *) &seq;
if (hdr0->gtpu.ver_flags & (GTPU_EXTHDR_FLAG | GTPU_SEQ_FLAG))
{
if (hdr0->gtpu.ext->nextexthdr == GTPU_EXTHDR_PDU_SESSION)
{
// PDU Session Container.
- sess =
- (gtpu_pdu_session_t *) (((char *) hdr0) + hdrlen);
+ sess = (gtpu_pdu_session_t *) (((char *) hdr0) + hdrlen);
qfi = sess->u.val & ~GTPU_PDU_SESSION_P_BIT_MASK;
qfip = &qfi;
offset = ls_param->sr_prefixlen / 8;
shift = ls_param->sr_prefixlen % 8;
+ offset += 1;
if (PREDICT_TRUE (shift == 0))
{
- if (gtpu_type == GTPU_TYPE_ECHO_REQUEST
- || gtpu_type == GTPU_TYPE_ECHO_REPLY
- || gtpu_type == GTPU_TYPE_ERROR_INDICATION)
+ if (gtpu_type == GTPU_TYPE_ECHO_REQUEST ||
+ gtpu_type == GTPU_TYPE_ECHO_REPLY ||
+ gtpu_type == GTPU_TYPE_ERROR_INDICATION)
{
- clib_memcpy_fast (&seg0.as_u8[offset + 1], seqp, 2);
+ clib_memcpy_fast (&seg0.as_u8[offset], seqp, 2);
}
else
{
- clib_memcpy_fast (&seg0.as_u8[offset + 1], teidp, 4);
+ clib_memcpy_fast (&seg0.as_u8[offset], teidp, 4);
}
if (qfip)
{
- qfi =
- ((qfi & GTPU_PDU_SESSION_QFI_MASK) << 2) |
- ((qfi & GTPU_PDU_SESSION_R_BIT_MASK) >> 5);
+ qfi = ((qfi & GTPU_PDU_SESSION_QFI_MASK) << 2) |
+ ((qfi & GTPU_PDU_SESSION_R_BIT_MASK) >> 5);
if (sess->type)
{
qfi |= SRV6_PDU_SESSION_U_BIT_MASK;
}
- seg0.as_u8[offset] = qfi;
+ seg0.as_u8[offset + 4] = qfi;
}
}
else
{
int idx;
- if (gtpu_type == GTPU_TYPE_ECHO_REQUEST
- || gtpu_type == GTPU_TYPE_ECHO_REPLY
- || gtpu_type == GTPU_TYPE_ERROR_INDICATION)
+ if (gtpu_type == GTPU_TYPE_ECHO_REQUEST ||
+ gtpu_type == GTPU_TYPE_ECHO_REPLY ||
+ gtpu_type == GTPU_TYPE_ERROR_INDICATION)
{
for (idx = 0; idx < 2; idx++)
{
- seg0.as_u8[offset + idx + 1] |= seqp[idx] >> shift;
- seg0.as_u8[offset + idx + 2] |=
- seqp[idx] << (8 - shift);
+ seg0.as_u8[offset + idx] |= seqp[idx] >> shift;
+ seg0.as_u8[offset + idx + 1] |= seqp[idx]
+ << (8 - shift);
}
}
else
{
for (idx = 0; idx < 4; idx++)
{
- seg0.as_u8[offset + idx + 1] |= teidp[idx] >> shift;
- seg0.as_u8[offset + idx + 2] |=
- teidp[idx] << (8 - shift);
+ seg0.as_u8[offset + idx] |= teidp[idx] >> shift;
+ seg0.as_u8[offset + idx + 1] |= teidp[idx]
+ << (8 - shift);
}
}
if (qfip)
{
- qfi =
- ((qfi & GTPU_PDU_SESSION_QFI_MASK) << 2) |
- ((qfi & GTPU_PDU_SESSION_R_BIT_MASK) >> 5);
+ qfi = ((qfi & GTPU_PDU_SESSION_QFI_MASK) << 2) |
+ ((qfi & GTPU_PDU_SESSION_R_BIT_MASK) >> 5);
if (sess->type)
{
qfi |= SRV6_PDU_SESSION_U_BIT_MASK;
}
- seg0.as_u8[offset] |= qfi >> shift;
- seg0.as_u8[offset + 1] |= qfi << (8 - shift);
+ seg0.as_u8[offset + 4] |= qfi >> shift;
+ seg0.as_u8[offset + 5] |= qfi << (8 - shift);
}
}
u32 hdr_len;
p =
- mhash_get (&sm2->sr_policies_index_hash,
- &ls_param->sr_prefix);
+ mhash_get (&sm2->sr_policies_index_hash, &ls_param->sr_prefix);
if (p)
{
sr_policy = pool_elt_at_index (sm2->sr_policies, p[0]);
if (sr_policy)
{
vec_foreach (sl_index, sr_policy->segments_lists)
- {
- sl = pool_elt_at_index (sm2->sid_lists, *sl_index);
- if (sl != NULL)
- break;
- }
+ {
+ sl = pool_elt_at_index (sm2->sid_lists, *sl_index);
+ if (sl != NULL)
+ break;
+ }
}
hdr_len = sizeof (ip6srv_combo_header_t);
if (ie_size)
{
- tlv_siz =
- sizeof (ip6_sr_tlv_t) + sizeof (user_plane_sub_tlv_t) +
- ie_size;
+ tlv_siz = sizeof (ip6_sr_tlv_t) +
+ sizeof (user_plane_sub_tlv_t) + ie_size;
tlv_siz = (tlv_siz & ~0x07) + (tlv_siz & 0x07 ? 0x08 : 0x0);
hdr_len += tlv_siz;
ip6srv->sr.segments[0] = dst0;
ip6srv->sr.segments[1] = seg0;
- clib_memcpy_fast (&ip6srv->sr.segments[2],
- (u8 *) (sl->rewrite +
- sizeof (ip6_header_t) +
- sizeof (ip6_sr_header_t)),
- vec_len (sl->segments) *
- sizeof (ip6_address_t));
+ clib_memcpy_fast (
+ &ip6srv->sr.segments[2],
+ (u8 *) (sl->rewrite + sizeof (ip6_header_t) +
+ sizeof (ip6_sr_header_t)),
+ vec_len (sl->segments) * sizeof (ip6_address_t));
}
else
{
ip6srv->sr.type = ROUTING_HEADER_TYPE_SR;
ip6srv->sr.segments_left = 2;
ip6srv->sr.last_entry = 1;
- ip6srv->sr.length =
- ((sizeof (ip6_sr_header_t) +
- 2 * sizeof (ip6_address_t)) / 8) - 1;
+ ip6srv->sr.length = ((sizeof (ip6_sr_header_t) +
+ 2 * sizeof (ip6_address_t)) /
+ 8) -
+ 1;
ip6srv->sr.flags = 0;
ip6srv->sr.tag =
ip6srv->sr.segments_left = 1;
ip6srv->sr.last_entry = 0;
ip6srv->sr.length =
- ((sizeof (ip6_sr_header_t) +
- sizeof (ip6_address_t)) / 8) - 1;
+ ((sizeof (ip6_sr_header_t) + sizeof (ip6_address_t)) / 8) -
+ 1;
ip6srv->sr.flags = 0;
ip6srv->sr.tag =
ip6_sr_tlv_t *tlv;
user_plane_sub_tlv_t *sub_tlv;
- tlv =
- (ip6_sr_tlv_t *) ((u8 *) ip6srv + (hdr_len - tlv_siz));
+ tlv = (ip6_sr_tlv_t *) ((u8 *) ip6srv + (hdr_len - tlv_siz));
tlv->type = SRH_TLV_USER_PLANE_CONTAINER;
tlv->length = (u8) (tlv_siz - sizeof (ip6_sr_tlv_t));
clib_memset (tlv->value, 0, tlv->length);
{
if (ls_param->nhtype == SRV6_NHTYPE_NONE)
{
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label) >>
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
28) == 6)
ip6srv->sr.protocol = IP_PROTOCOL_IPV6;
else
else if (ls_param->nhtype == SRV6_NHTYPE_IPV4)
{
ip6srv->sr.protocol = IP_PROTOCOL_IP_IN_IP;
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label) >>
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
28) != 4)
{
// Bad encap packet.
else if (ls_param->nhtype == SRV6_NHTYPE_IPV6)
{
ip6srv->sr.protocol = IP_PROTOCOL_IPV6;
- if ((clib_net_to_host_u32
- (encap->ip_version_traffic_class_and_flow_label) >>
+ if ((clib_net_to_host_u32 (
+ encap->ip_version_traffic_class_and_flow_label) >>
28) != 6)
{
// Bad encap packet.
}
DONE:
- vlib_increment_combined_counter
- (((next0 ==
- SRV6_END_M_GTP6_D_DI_NEXT_DROP) ?
- &(sm2->sr_ls_invalid_counters) : &(sm2->sr_ls_valid_counters)),
- thread_index, ls0 - sm2->localsids, 1,
- vlib_buffer_length_in_chain (vm, b0));
+ vlib_increment_combined_counter (
+ ((next0 == SRV6_END_M_GTP6_D_DI_NEXT_DROP) ?
+ &(sm2->sr_ls_invalid_counters) :
+ &(sm2->sr_ls_valid_counters)),
+ thread_index, ls0 - sm2->localsids, 1,
+ vlib_buffer_length_in_chain (vm, b0));
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
n_left_to_next, bi0, next0);
}
// Function for SRv6 GTP6.DT function
-VLIB_NODE_FN (srv6_end_m_gtp6_dt) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (srv6_end_m_gtp6_dt)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
srv6_end_main_v6_dt_t *sm = &srv6_end_main_v6_dt;
ip6_sr_main_t *sm2 = &sr_main;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- ls0 =
- pool_elt_at_index (sm2->localsids,
- vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+ ls0 = pool_elt_at_index (sm2->localsids,
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
ls_param = (srv6_end_gtp6_dt_param_t *) ls0->plugin_mem;
len0 = vlib_buffer_length_in_chain (vm, b0);
- if ((hdr0->ip6.protocol != IP_PROTOCOL_UDP)
- || (hdr0->udp.dst_port !=
- clib_host_to_net_u16 (SRV6_GTP_UDP_DST_PORT))
- || (len0 < sizeof (ip6_gtpu_header_t)))
+ if ((hdr0->ip6.protocol != IP_PROTOCOL_UDP) ||
+ (hdr0->udp.dst_port !=
+ clib_host_to_net_u16 (SRV6_GTP_UDP_DST_PORT)) ||
+ (len0 < sizeof (ip6_gtpu_header_t)))
{
next0 = SRV6_END_M_GTP6_DT_NEXT_DROP;
else if (ls_param->type == SRV6_GTP6_DT6)
{
ip6 = (ip6_header_t *) ((u8 *) hdr0 + hdrlen);
- if ((clib_net_to_host_u32
- (ip6->ip_version_traffic_class_and_flow_label) >> 28)
- != 6)
+ if ((clib_net_to_host_u32 (
+ ip6->ip_version_traffic_class_and_flow_label) >>
+ 28) != 6)
{
next0 = SRV6_END_M_GTP6_DT_NEXT_DROP;
bad_n++;
}
next0 = SRV6_END_M_GTP6_DT_NEXT_LOOKUP6;
- if ((ip6->dst_address.as_u8[0] == 0xff)
- && ((ip6->dst_address.as_u8[1] & 0xc0) == 0x80))
+ if (((ip6->dst_address.as_u8[0] == 0xff) &&
+ (ip6->dst_address.as_u8[1] == 0x02)) ||
+ ((ip6->dst_address.as_u8[0] == 0xfe) &&
+ ((ip6->dst_address.as_u8[1] & 0xc0) == 0x80)))
{
vnet_buffer (b0)->sw_if_index[VLIB_TX] =
ls_param->local_fib_index;
else if (ls_param->type == SRV6_GTP6_DT46)
{
ip6 = (ip6_header_t *) ((u8 *) hdr0 + hdrlen);
- if ((clib_net_to_host_u32
- (ip6->ip_version_traffic_class_and_flow_label) >> 28)
- == 6)
+ if ((clib_net_to_host_u32 (
+ ip6->ip_version_traffic_class_and_flow_label) >>
+ 28) == 6)
{
next0 = SRV6_END_M_GTP6_DT_NEXT_LOOKUP6;
- if ((ip6->dst_address.as_u8[0] == 0xff)
- && ((ip6->dst_address.as_u8[1] & 0xc0) == 0x80))
+ if (((ip6->dst_address.as_u8[0] == 0xff) &&
+ (ip6->dst_address.as_u8[1] == 0x02)) ||
+ ((ip6->dst_address.as_u8[0] == 0xfe) &&
+ ((ip6->dst_address.as_u8[1] & 0xc0) == 0x80)))
{
vnet_buffer (b0)->sw_if_index[VLIB_TX] =
ls_param->local_fib_index;
ls_param->fib6_index;
}
}
- else
- if ((clib_net_to_host_u32
- (ip6->ip_version_traffic_class_and_flow_label) >> 28)
- == 4)
+ else if ((clib_net_to_host_u32 (
+ ip6->ip_version_traffic_class_and_flow_label) >>
+ 28) == 4)
{
vlib_buffer_advance (b0, (word) hdrlen);
next0 = SRV6_END_M_GTP6_DT_NEXT_LOOKUP4;
}
DONE:
- vlib_increment_combined_counter
- (((next0 ==
- SRV6_END_M_GTP6_DT_NEXT_DROP) ? &(sm2->sr_ls_invalid_counters)
- : &(sm2->sr_ls_valid_counters)), thread_index,
- ls0 - sm2->localsids, 1, vlib_buffer_length_in_chain (vm, b0));
+ vlib_increment_combined_counter (
+ ((next0 == SRV6_END_M_GTP6_DT_NEXT_DROP) ?
+ &(sm2->sr_ls_invalid_counters) :
+ &(sm2->sr_ls_valid_counters)),
+ thread_index, ls0 - sm2->localsids, 1,
+ vlib_buffer_length_in_chain (vm, b0));
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
n_left_to_next, bi0, next0);
}
// Function for SRv6 GTP4.DT function
-VLIB_NODE_FN (srv6_t_m_gtp4_dt) (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+VLIB_NODE_FN (srv6_t_m_gtp4_dt)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
srv6_t_main_v4_dt_t *sm = &srv6_t_main_v4_dt;
ip6_sr_main_t *sm2 = &sr_main;
n_left_to_next -= 1;
b0 = vlib_get_buffer (vm, bi0);
- ls0 =
- pool_elt_at_index (sm2->sid_lists,
- vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
+ ls0 = pool_elt_at_index (sm2->sid_lists,
+ vnet_buffer (b0)->ip.adj_index[VLIB_TX]);
ls_param = (srv6_t_gtp4_dt_param_t *) ls0->plugin_mem;
len0 = vlib_buffer_length_in_chain (vm, b0);
- if ((hdr0->ip4.protocol != IP_PROTOCOL_UDP)
- || (hdr0->udp.dst_port !=
- clib_host_to_net_u16 (SRV6_GTP_UDP_DST_PORT))
- || (len0 < sizeof (ip4_gtpu_header_t)))
+ if ((hdr0->ip4.protocol != IP_PROTOCOL_UDP) ||
+ (hdr0->udp.dst_port !=
+ clib_host_to_net_u16 (SRV6_GTP_UDP_DST_PORT)) ||
+ (len0 < sizeof (ip4_gtpu_header_t)))
{
next0 = SRV6_T_M_GTP4_DT_NEXT_DROP;
else if (ls_param->type == SRV6_GTP4_DT6)
{
ip6 = (ip6_header_t *) ((u8 *) hdr0 + hdrlen);
- if ((clib_net_to_host_u32
- (ip6->ip_version_traffic_class_and_flow_label) >> 28)
- != 6)
+ if ((clib_net_to_host_u32 (
+ ip6->ip_version_traffic_class_and_flow_label) >>
+ 28) != 6)
{
next0 = SRV6_T_M_GTP4_DT_NEXT_DROP;
bad_n++;
}
next0 = SRV6_T_M_GTP4_DT_NEXT_LOOKUP6;
- if ((ip6->dst_address.as_u8[0] == 0xff)
- && ((ip6->dst_address.as_u8[1] & 0xc0) == 0x80))
+ if (((ip6->dst_address.as_u8[0] == 0xff) &&
+ (ip6->dst_address.as_u8[1] == 0x02)) ||
+ ((ip6->dst_address.as_u8[0] == 0xfe) &&
+ ((ip6->dst_address.as_u8[1] & 0xc0) == 0x80)))
{
next0 = SRV6_T_M_GTP4_DT_NEXT_LOOKUP4;
vnet_buffer (b0)->sw_if_index[VLIB_TX] =
else if (ls_param->type == SRV6_GTP4_DT46)
{
ip6 = (ip6_header_t *) ((u8 *) hdr0 + hdrlen);
- if ((clib_net_to_host_u32
- (ip6->ip_version_traffic_class_and_flow_label) >> 28)
- == 6)
+ if ((clib_net_to_host_u32 (
+ ip6->ip_version_traffic_class_and_flow_label) >>
+ 28) == 6)
{
next0 = SRV6_T_M_GTP4_DT_NEXT_LOOKUP6;
- if ((ip6->dst_address.as_u8[0] == 0xff)
- && ((ip6->dst_address.as_u8[1] & 0xc0) == 0x80))
+ if (((ip6->dst_address.as_u8[0] == 0xff) &&
+ (ip6->dst_address.as_u8[1] == 0x02)) ||
+ ((ip6->dst_address.as_u8[0] == 0xfe) &&
+ ((ip6->dst_address.as_u8[1] & 0xc0) == 0x80)))
{
next0 = SRV6_T_M_GTP4_DT_NEXT_LOOKUP4;
vnet_buffer (b0)->sw_if_index[VLIB_TX] =
ls_param->fib6_index;
}
}
- else
- if ((clib_net_to_host_u32
- (ip6->ip_version_traffic_class_and_flow_label) >> 28)
- == 4)
+ else if ((clib_net_to_host_u32 (
+ ip6->ip_version_traffic_class_and_flow_label) >>
+ 28) == 4)
{
vlib_buffer_advance (b0, (word) hdrlen);
next0 = SRV6_T_M_GTP4_DT_NEXT_LOOKUP4;
srv6_end_error_v6_e_strings,.n_next_nodes =
SRV6_END_M_GTP6_E_N_NEXT,.next_nodes =
{
- [SRV6_END_M_GTP6_E_NEXT_DROP] =
- "error-drop",[SRV6_END_M_GTP6_E_NEXT_LOOKUP] = "ip6-lookup",}
+ [SRV6_END_M_GTP6_E_NEXT_DROP] = "error-drop",
+ [SRV6_END_M_GTP6_E_NEXT_LOOKUP] = "ip6-lookup",}
,};
VLIB_REGISTER_NODE (srv6_end_m_gtp6_d) =
srv6_end_error_v6_d_strings,.n_next_nodes =
SRV6_END_M_GTP6_D_N_NEXT,.next_nodes =
{
- [SRV6_END_M_GTP6_D_NEXT_DROP] =
- "error-drop",[SRV6_END_M_GTP6_D_NEXT_LOOKUP] = "ip6-lookup",}
+ [SRV6_END_M_GTP6_D_NEXT_DROP] = "error-drop",
+ [SRV6_END_M_GTP6_D_NEXT_LOOKUP4] = "ip4-lookup",
+ [SRV6_END_M_GTP6_D_NEXT_LOOKUP6] = "ip6-lookup",}
,};
VLIB_REGISTER_NODE (srv6_end_m_gtp6_d_di) =
SRV6_END_M_GTP6_D_DI_N_NEXT,.next_nodes =
{
[SRV6_END_M_GTP6_D_DI_NEXT_DROP] = "error-drop",
- [SRV6_END_M_GTP6_D_DI_NEXT_LOOKUP] = "ip6-lookup",}
+ [SRV6_END_M_GTP6_D_DI_NEXT_LOOKUP] = "ip6-lookup",}
,};
VLIB_REGISTER_NODE (srv6_end_m_gtp6_dt) =
srv6_end_error_v6_dt_strings,.n_next_nodes =
SRV6_END_M_GTP6_DT_N_NEXT,.next_nodes =
{
- [SRV6_END_M_GTP6_DT_NEXT_DROP] =
- "error-drop",
- [SRV6_END_M_GTP6_DT_NEXT_LOOKUP4]
- = "ip4-lookup",[SRV6_END_M_GTP6_DT_NEXT_LOOKUP6] = "ip6-lookup",}
+ [SRV6_END_M_GTP6_DT_NEXT_DROP] = "error-drop",
+ [SRV6_END_M_GTP6_DT_NEXT_LOOKUP4] = "ip4-lookup",
+ [SRV6_END_M_GTP6_DT_NEXT_LOOKUP6] = "ip6-lookup",}
,};
VLIB_REGISTER_NODE (srv6_t_m_gtp4_dt) =
srv6_t_error_v4_dt_strings,.n_next_nodes =
SRV6_T_M_GTP4_DT_N_NEXT,.next_nodes =
{
- [SRV6_T_M_GTP4_DT_NEXT_DROP] =
- "error-drop",
- [SRV6_T_M_GTP4_DT_NEXT_LOOKUP4] =
- "ip4-lookup",[SRV6_T_M_GTP4_DT_NEXT_LOOKUP6] = "ip6-lookup",}
+ [SRV6_T_M_GTP4_DT_NEXT_DROP] = "error-drop",
+ [SRV6_T_M_GTP4_DT_NEXT_LOOKUP4] = "ip4-lookup",
+ [SRV6_T_M_GTP4_DT_NEXT_LOOKUP6] = "ip6-lookup",}
,};
/*
Code Review / vpp.git / commitdiff