#include <vnet/vnet.h>
#include <vnet/ip/ip.h>
+#include <vnet/ip/ip_frag.h>
#include <vnet/ethernet/ethernet.h> /* for ethernet_header_t */
#include <vnet/ethernet/arp_packet.h> /* for ethernet_arp_header_t */
#include <vnet/ppp/ppp.h>
ip_adjacency_t @c adj->lookup_next_index
(where @c adj is the lookup result adjacency).
*/
-static uword
-ip4_lookup (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+VLIB_NODE_FN (ip4_lookup_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
return ip4_lookup_inline (vm, node, frame,
/* lookup_for_responses_to_locally_received_packets */
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip4_lookup_node) =
{
- .function = ip4_lookup,
.name = "ip4-lookup",
.vector_size = sizeof (u32),
.format_trace = format_ip4_lookup_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_lookup_node, ip4_lookup);
-
-always_inline uword
-ip4_load_balance (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+VLIB_NODE_FN (ip4_load_balance_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
vlib_combined_counter_main_t *cm = &load_balance_main.lbm_via_counters;
u32 n_left_from, n_left_to_next, *from, *to_next;
ip_lookup_next_t next;
- u32 thread_index = vlib_get_thread_index ();
+ u32 thread_index = vm->thread_index;
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip4_load_balance_node) =
{
- .function = ip4_load_balance,
.name = "ip4-load-balance",
.vector_size = sizeof (u32),
.sibling_of = "ip4-lookup",
- .format_trace =
- format_ip4_lookup_trace,
+ .format_trace = format_ip4_lookup_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_load_balance_node, ip4_load_balance);
-
+#ifndef CLIB_MARCH_VARIANT
/* get first interface address */
ip4_address_t *
ip4_interface_first_address (ip4_main_t * im, u32 sw_if_index,
return result;
}
+static void
+ip4_add_subnet_bcast_route (u32 fib_index,
+ fib_prefix_t *pfx,
+ u32 sw_if_index)
+{
+ vnet_sw_interface_flags_t iflags;
+
+ iflags = vnet_sw_interface_get_flags(vnet_get_main(), sw_if_index);
+
+ fib_table_entry_special_remove(fib_index,
+ pfx,
+ FIB_SOURCE_INTERFACE);
+
+ if (iflags & VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST)
+ {
+ fib_table_entry_update_one_path (fib_index, pfx,
+ FIB_SOURCE_INTERFACE,
+ FIB_ENTRY_FLAG_NONE,
+ DPO_PROTO_IP4,
+ /* No next-hop address */
+ &ADJ_BCAST_ADDR,
+ sw_if_index,
+ // invalid FIB index
+ ~0,
+ 1,
+ // no out-label stack
+ NULL,
+ FIB_ROUTE_PATH_FLAG_NONE);
+ }
+ else
+ {
+ fib_table_entry_special_add(fib_index,
+ pfx,
+ FIB_SOURCE_INTERFACE,
+ (FIB_ENTRY_FLAG_DROP |
+ FIB_ENTRY_FLAG_LOOSE_URPF_EXEMPT));
+ }
+}
+
static void
ip4_add_interface_routes (u32 sw_if_index,
ip4_main_t * im, u32 fib_index,
FIB_ENTRY_FLAG_LOOSE_URPF_EXEMPT));
net_pfx.fp_addr.ip4.as_u32 |= ~im->fib_masks[pfx.fp_len];
if (net_pfx.fp_addr.ip4.as_u32 != pfx.fp_addr.ip4.as_u32)
- fib_table_entry_special_add(fib_index,
- &net_pfx,
- FIB_SOURCE_INTERFACE,
- (FIB_ENTRY_FLAG_DROP |
- FIB_ENTRY_FLAG_LOOSE_URPF_EXEMPT));
+ ip4_add_subnet_bcast_route(fib_index, &net_pfx, sw_if_index);
}
else if (pfx.fp_len == 31)
{
(vm, sw_if_index, address, address_length, is_del);
}
+void
+ip4_directed_broadcast (u32 sw_if_index, u8 enable)
+{
+ ip_interface_address_t *ia;
+ ip4_main_t *im;
+
+ im = &ip4_main;
+
+ /*
+ * when directed broadcast is enabled, the subnet braodcast route will forward
+ * packets using an adjacency with a broadcast MAC. otherwise it drops
+ */
+ /* *INDENT-OFF* */
+ foreach_ip_interface_address(&im->lookup_main, ia,
+ sw_if_index, 0,
+ ({
+ if (ia->address_length <= 30)
+ {
+ ip4_address_t *ipa;
+
+ ipa = ip_interface_address_get_address (&im->lookup_main, ia);
+
+ fib_prefix_t pfx = {
+ .fp_len = 32,
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_addr = {
+ .ip4.as_u32 = (ipa->as_u32 | ~im->fib_masks[ia->address_length]),
+ },
+ };
+
+ ip4_add_subnet_bcast_route
+ (fib_table_get_index_for_sw_if_index(FIB_PROTOCOL_IP4,
+ sw_if_index),
+ &pfx, sw_if_index);
+ }
+ }));
+ /* *INDENT-ON* */
+}
+#endif
+
/* Built-in ip4 unicast rx feature path definition */
/* *INDENT-OFF* */
VNET_FEATURE_ARC_INIT (ip4_unicast, static) =
/* Global IP4 main. */
ip4_main_t ip4_main;
-clib_error_t *
+static clib_error_t *
ip4_lookup_init (vlib_main_t * vm)
{
ip4_main_t *im = &ip4_main;
}
ip4_forward_next_trace_t;
+#ifndef CLIB_MARCH_VARIANT
u8 *
format_ip4_forward_next_trace (u8 * s, va_list * args)
{
format_ip4_header, t->packet_data, sizeof (t->packet_data));
return s;
}
+#endif
static u8 *
format_ip4_lookup_trace (u8 * s, va_list * args)
return s;
}
+#ifndef CLIB_MARCH_VARIANT
/* Common trace function for all ip4-forward next nodes. */
void
ip4_forward_next_trace (vlib_main_t * vm,
return p0->flags;
}
+#endif
/* *INDENT-OFF* */
VNET_FEATURE_ARC_INIT (ip4_local) =
/* *INDENT-ON* */
static inline void
-ip4_local_validate_l4 (vlib_main_t * vm, vlib_buffer_t * p, ip4_header_t * ip,
- u8 is_udp, u8 * error, u8 * good_tcp_udp)
+ip4_local_l4_csum_validate (vlib_main_t * vm, vlib_buffer_t * p,
+ ip4_header_t * ip, u8 is_udp, u8 * error,
+ u8 * good_tcp_udp)
{
u32 flags0;
flags0 = ip4_tcp_udp_validate_checksum (vm, p);
}
}
-#define ip4_local_do_l4_check(is_tcp_udp, flags) \
- (is_tcp_udp && !(flags & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED \
- || flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM \
- || flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM))
+#define ip4_local_csum_is_offloaded(_b) \
+ _b->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM \
+ || _b->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM
+
+#define ip4_local_need_csum_check(is_tcp_udp, _b) \
+ (is_tcp_udp && !(_b->flags & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED \
+ || ip4_local_csum_is_offloaded (_b)))
+
+#define ip4_local_csum_is_valid(_b) \
+ (_b->flags & VNET_BUFFER_F_L4_CHECKSUM_CORRECT \
+ || (ip4_local_csum_is_offloaded (_b))) != 0
+
+static inline void
+ip4_local_check_l4_csum (vlib_main_t * vm, vlib_buffer_t * b,
+ ip4_header_t * ih, u8 * error)
+{
+ u8 is_udp, is_tcp_udp, good_tcp_udp;
+
+ is_udp = ih->protocol == IP_PROTOCOL_UDP;
+ is_tcp_udp = is_udp || ih->protocol == IP_PROTOCOL_TCP;
+
+ if (PREDICT_FALSE (ip4_local_need_csum_check (is_tcp_udp, b)))
+ ip4_local_l4_csum_validate (vm, b, ih, is_udp, error, &good_tcp_udp);
+ else
+ good_tcp_udp = ip4_local_csum_is_valid (b);
+
+ ASSERT (IP4_ERROR_TCP_CHECKSUM + 1 == IP4_ERROR_UDP_CHECKSUM);
+ *error = (is_tcp_udp && !good_tcp_udp
+ ? IP4_ERROR_TCP_CHECKSUM + is_udp : *error);
+}
+
+static inline void
+ip4_local_check_l4_csum_x2 (vlib_main_t * vm, vlib_buffer_t ** b,
+ ip4_header_t ** ih, u8 * error)
+{
+ u8 is_udp[2], is_tcp_udp[2], good_tcp_udp[2];
+
+ is_udp[0] = ih[0]->protocol == IP_PROTOCOL_UDP;
+ is_udp[1] = ih[1]->protocol == IP_PROTOCOL_UDP;
+
+ is_tcp_udp[0] = is_udp[0] || ih[0]->protocol == IP_PROTOCOL_TCP;
+ is_tcp_udp[1] = is_udp[1] || ih[1]->protocol == IP_PROTOCOL_TCP;
+
+ good_tcp_udp[0] = ip4_local_csum_is_valid (b[0]);
+ good_tcp_udp[1] = ip4_local_csum_is_valid (b[1]);
+
+ if (PREDICT_FALSE (ip4_local_need_csum_check (is_tcp_udp[0], b[0])
+ || ip4_local_need_csum_check (is_tcp_udp[1], b[1])))
+ {
+ if (is_tcp_udp[0])
+ ip4_local_l4_csum_validate (vm, b[0], ih[0], is_udp[0], &error[0],
+ &good_tcp_udp[0]);
+ if (is_tcp_udp[1])
+ ip4_local_l4_csum_validate (vm, b[1], ih[1], is_udp[1], &error[1],
+ &good_tcp_udp[1]);
+ }
+
+ error[0] = (is_tcp_udp[0] && !good_tcp_udp[0] ?
+ IP4_ERROR_TCP_CHECKSUM + is_udp[0] : error[0]);
+ error[1] = (is_tcp_udp[1] && !good_tcp_udp[1] ?
+ IP4_ERROR_TCP_CHECKSUM + is_udp[1] : error[1]);
+}
+
+static inline void
+ip4_local_set_next_and_error (vlib_node_runtime_t * error_node,
+ vlib_buffer_t * b, u16 * next, u8 error,
+ u8 head_of_feature_arc)
+{
+ u8 arc_index = vnet_feat_arc_ip4_local.feature_arc_index;
+ u32 next_index;
+
+ *next = error != IP4_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : *next;
+ b->error = error ? error_node->errors[error] : 0;
+ if (head_of_feature_arc)
+ {
+ next_index = *next;
+ if (PREDICT_TRUE (error == (u8) IP4_ERROR_UNKNOWN_PROTOCOL))
+ {
+ vnet_feature_arc_start (arc_index,
+ vnet_buffer (b)->sw_if_index[VLIB_RX],
+ &next_index, b);
+ *next = next_index;
+ }
+ }
+}
+
+typedef struct
+{
+ ip4_address_t src;
+ u32 lbi;
+ u8 error;
+} ip4_local_last_check_t;
+
+static inline void
+ip4_local_check_src (vlib_buffer_t * b, ip4_header_t * ip0,
+ ip4_local_last_check_t * last_check, u8 * error0)
+{
+ ip4_fib_mtrie_leaf_t leaf0;
+ ip4_fib_mtrie_t *mtrie0;
+ const dpo_id_t *dpo0;
+ load_balance_t *lb0;
+ u32 lbi0;
+
+ vnet_buffer (b)->ip.fib_index =
+ vnet_buffer (b)->sw_if_index[VLIB_TX] != ~0 ?
+ vnet_buffer (b)->sw_if_index[VLIB_TX] : vnet_buffer (b)->ip.fib_index;
+
+ if (PREDICT_FALSE (last_check->src.as_u32 != ip0->src_address.as_u32))
+ {
+ mtrie0 = &ip4_fib_get (vnet_buffer (b)->ip.fib_index)->mtrie;
+ leaf0 = ip4_fib_mtrie_lookup_step_one (mtrie0, &ip0->src_address);
+ leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 2);
+ leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address, 3);
+ lbi0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0);
+
+ vnet_buffer (b)->ip.adj_index[VLIB_TX] = lbi0;
+ vnet_buffer (b)->ip.adj_index[VLIB_RX] = lbi0;
+
+ lb0 = load_balance_get (lbi0);
+ dpo0 = load_balance_get_bucket_i (lb0, 0);
+
+ /*
+ * Must have a route to source otherwise we drop the packet.
+ * ip4 broadcasts are accepted, e.g. to make dhcp client work
+ *
+ * The checks are:
+ * - the source is a recieve => it's from us => bogus, do this
+ * first since it sets a different error code.
+ * - uRPF check for any route to source - accept if passes.
+ * - allow packets destined to the broadcast address from unknown sources
+ */
+
+ *error0 = ((*error0 == IP4_ERROR_UNKNOWN_PROTOCOL
+ && dpo0->dpoi_type == DPO_RECEIVE) ?
+ IP4_ERROR_SPOOFED_LOCAL_PACKETS : *error0);
+ *error0 = ((*error0 == IP4_ERROR_UNKNOWN_PROTOCOL
+ && !fib_urpf_check_size (lb0->lb_urpf)
+ && ip0->dst_address.as_u32 != 0xFFFFFFFF) ?
+ IP4_ERROR_SRC_LOOKUP_MISS : *error0);
+
+ last_check->src.as_u32 = ip0->src_address.as_u32;
+ last_check->lbi = lbi0;
+ last_check->error = *error0;
+ }
+ else
+ {
+ vnet_buffer (b)->ip.adj_index[VLIB_TX] = last_check->lbi;
+ vnet_buffer (b)->ip.adj_index[VLIB_RX] = last_check->lbi;
+ *error0 = last_check->error;
+ }
+}
+
+static inline void
+ip4_local_check_src_x2 (vlib_buffer_t ** b, ip4_header_t ** ip,
+ ip4_local_last_check_t * last_check, u8 * error)
+{
+ ip4_fib_mtrie_leaf_t leaf[2];
+ ip4_fib_mtrie_t *mtrie[2];
+ const dpo_id_t *dpo[2];
+ load_balance_t *lb[2];
+ u32 not_last_hit = 0;
+ u32 lbi[2];
+
+ not_last_hit |= ip[0]->src_address.as_u32 ^ last_check->src.as_u32;
+ not_last_hit |= ip[1]->src_address.as_u32 ^ last_check->src.as_u32;
+
+ vnet_buffer (b[0])->ip.fib_index =
+ vnet_buffer (b[0])->sw_if_index[VLIB_TX] != ~0 ?
+ vnet_buffer (b[0])->sw_if_index[VLIB_TX] :
+ vnet_buffer (b[0])->ip.fib_index;
+
+ vnet_buffer (b[1])->ip.fib_index =
+ vnet_buffer (b[1])->sw_if_index[VLIB_TX] != ~0 ?
+ vnet_buffer (b[1])->sw_if_index[VLIB_TX] :
+ vnet_buffer (b[1])->ip.fib_index;
+
+ if (PREDICT_FALSE (not_last_hit))
+ {
+ mtrie[0] = &ip4_fib_get (vnet_buffer (b[0])->ip.fib_index)->mtrie;
+ mtrie[1] = &ip4_fib_get (vnet_buffer (b[1])->ip.fib_index)->mtrie;
+
+ leaf[0] = ip4_fib_mtrie_lookup_step_one (mtrie[0], &ip[0]->src_address);
+ leaf[1] = ip4_fib_mtrie_lookup_step_one (mtrie[1], &ip[1]->src_address);
+
+ leaf[0] = ip4_fib_mtrie_lookup_step (mtrie[0], leaf[0],
+ &ip[0]->src_address, 2);
+ leaf[1] = ip4_fib_mtrie_lookup_step (mtrie[1], leaf[1],
+ &ip[1]->src_address, 2);
+
+ leaf[0] = ip4_fib_mtrie_lookup_step (mtrie[0], leaf[0],
+ &ip[0]->src_address, 3);
+ leaf[1] = ip4_fib_mtrie_lookup_step (mtrie[1], leaf[1],
+ &ip[1]->src_address, 3);
+
+ lbi[0] = ip4_fib_mtrie_leaf_get_adj_index (leaf[0]);
+ lbi[1] = ip4_fib_mtrie_leaf_get_adj_index (leaf[1]);
+
+ vnet_buffer (b[0])->ip.adj_index[VLIB_TX] = lbi[0];
+ vnet_buffer (b[0])->ip.adj_index[VLIB_RX] = lbi[0];
+
+ vnet_buffer (b[1])->ip.adj_index[VLIB_TX] = lbi[1];
+ vnet_buffer (b[1])->ip.adj_index[VLIB_RX] = lbi[1];
+
+ lb[0] = load_balance_get (lbi[0]);
+ lb[1] = load_balance_get (lbi[1]);
+
+ dpo[0] = load_balance_get_bucket_i (lb[0], 0);
+ dpo[1] = load_balance_get_bucket_i (lb[1], 0);
+
+ error[0] = ((error[0] == IP4_ERROR_UNKNOWN_PROTOCOL &&
+ dpo[0]->dpoi_type == DPO_RECEIVE) ?
+ IP4_ERROR_SPOOFED_LOCAL_PACKETS : error[0]);
+ error[0] = ((error[0] == IP4_ERROR_UNKNOWN_PROTOCOL &&
+ !fib_urpf_check_size (lb[0]->lb_urpf) &&
+ ip[0]->dst_address.as_u32 != 0xFFFFFFFF)
+ ? IP4_ERROR_SRC_LOOKUP_MISS : error[0]);
+
+ error[1] = ((error[1] == IP4_ERROR_UNKNOWN_PROTOCOL &&
+ dpo[1]->dpoi_type == DPO_RECEIVE) ?
+ IP4_ERROR_SPOOFED_LOCAL_PACKETS : error[1]);
+ error[1] = ((error[1] == IP4_ERROR_UNKNOWN_PROTOCOL &&
+ !fib_urpf_check_size (lb[1]->lb_urpf) &&
+ ip[1]->dst_address.as_u32 != 0xFFFFFFFF)
+ ? IP4_ERROR_SRC_LOOKUP_MISS : error[1]);
+
+ last_check->src.as_u32 = ip[1]->src_address.as_u32;
+ last_check->lbi = lbi[1];
+ last_check->error = error[1];
+ }
+ else
+ {
+ vnet_buffer (b[0])->ip.adj_index[VLIB_TX] = last_check->lbi;
+ vnet_buffer (b[0])->ip.adj_index[VLIB_RX] = last_check->lbi;
+
+ vnet_buffer (b[1])->ip.adj_index[VLIB_TX] = last_check->lbi;
+ vnet_buffer (b[1])->ip.adj_index[VLIB_RX] = last_check->lbi;
+
+ error[0] = last_check->error;
+ error[1] = last_check->error;
+ }
+}
static inline uword
ip4_local_inline (vlib_main_t * vm,
{
ip4_main_t *im = &ip4_main;
ip_lookup_main_t *lm = &im->lookup_main;
- ip_local_next_t next_index;
- u32 *from, *to_next, n_left_from, n_left_to_next;
+ u32 *from, n_left_from;
vlib_node_runtime_t *error_node =
vlib_node_get_runtime (vm, ip4_input_node.index);
- u8 arc_index = vnet_feat_arc_ip4_local.feature_arc_index;
+ u16 nexts[VLIB_FRAME_SIZE], *next;
+ vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
+ ip4_header_t *ip[2];
+ u8 error[2];
+
+ ip4_local_last_check_t last_check = {
+ .src = {.as_u32 = 0},
+ .lbi = ~0,
+ .error = IP4_ERROR_UNKNOWN_PROTOCOL
+ };
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
- next_index = node->cached_next_index;
if (node->flags & VLIB_NODE_FLAG_TRACE)
ip4_forward_next_trace (vm, node, frame, VLIB_TX);
- while (n_left_from > 0)
- {
- vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- vlib_buffer_t *p0, *p1;
- ip4_header_t *ip0, *ip1;
- ip4_fib_mtrie_t *mtrie0, *mtrie1;
- ip4_fib_mtrie_leaf_t leaf0, leaf1;
- const dpo_id_t *dpo0, *dpo1;
- const load_balance_t *lb0, *lb1;
- u32 pi0, next0, fib_index0, lbi0;
- u32 pi1, next1, fib_index1, lbi1;
- u8 error0, is_udp0, is_tcp_udp0, good_tcp_udp0, proto0;
- u8 error1, is_udp1, is_tcp_udp1, good_tcp_udp1, proto1;
- u32 sw_if_index0, sw_if_index1;
-
- pi0 = to_next[0] = from[0];
- pi1 = to_next[1] = from[1];
- from += 2;
- n_left_from -= 2;
- to_next += 2;
- n_left_to_next -= 2;
-
- next0 = next1 = IP_LOCAL_NEXT_DROP;
- error0 = error1 = IP4_ERROR_UNKNOWN_PROTOCOL;
+ vlib_get_buffers (vm, from, bufs, n_left_from);
+ b = bufs;
+ next = nexts;
- p0 = vlib_get_buffer (vm, pi0);
- p1 = vlib_get_buffer (vm, pi1);
+ while (n_left_from >= 6)
+ {
+ u32 is_nat, not_batch = 0;
- ip0 = vlib_buffer_get_current (p0);
- ip1 = vlib_buffer_get_current (p1);
+ /* Prefetch next iteration. */
+ {
+ vlib_prefetch_buffer_header (b[4], LOAD);
+ vlib_prefetch_buffer_header (b[5], LOAD);
- vnet_buffer (p0)->l3_hdr_offset = p0->current_data;
- vnet_buffer (p1)->l3_hdr_offset = p1->current_data;
+ CLIB_PREFETCH (b[4]->data, CLIB_CACHE_LINE_BYTES, LOAD);
+ CLIB_PREFETCH (b[5]->data, CLIB_CACHE_LINE_BYTES, LOAD);
+ }
- sw_if_index0 = vnet_buffer (p0)->sw_if_index[VLIB_RX];
- sw_if_index1 = vnet_buffer (p1)->sw_if_index[VLIB_RX];
+ error[0] = error[1] = IP4_ERROR_UNKNOWN_PROTOCOL;
- proto0 = ip0->protocol;
- proto1 = ip1->protocol;
+ ip[0] = vlib_buffer_get_current (b[0]);
+ ip[1] = vlib_buffer_get_current (b[1]);
- if (head_of_feature_arc == 0)
- goto skip_checks;
+ vnet_buffer (b[0])->l3_hdr_offset = b[0]->current_data;
+ vnet_buffer (b[1])->l3_hdr_offset = b[1]->current_data;
- is_udp0 = proto0 == IP_PROTOCOL_UDP;
- is_udp1 = proto1 == IP_PROTOCOL_UDP;
- is_tcp_udp0 = is_udp0 || proto0 == IP_PROTOCOL_TCP;
- is_tcp_udp1 = is_udp1 || proto1 == IP_PROTOCOL_TCP;
+ is_nat = b[0]->flags & VNET_BUFFER_F_IS_NATED;
+ not_batch |= is_nat ^ (b[1]->flags & VNET_BUFFER_F_IS_NATED);
- good_tcp_udp0 =
- (p0->flags & VNET_BUFFER_F_L4_CHECKSUM_CORRECT
- || (p0->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
- || p0->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM)) != 0;
- good_tcp_udp1 = (p1->flags & VNET_BUFFER_F_L4_CHECKSUM_CORRECT
- || (p1->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
- || p1->flags &
- VNET_BUFFER_F_OFFLOAD_UDP_CKSUM)) != 0;
+ if (head_of_feature_arc == 0 || (is_nat && not_batch == 0))
+ goto skip_checks;
- if (PREDICT_FALSE (ip4_local_do_l4_check (is_tcp_udp0, p0->flags)
- || ip4_local_do_l4_check (is_tcp_udp1,
- p1->flags)))
+ if (PREDICT_TRUE (not_batch == 0))
+ {
+ ip4_local_check_l4_csum_x2 (vm, b, ip, error);
+ ip4_local_check_src_x2 (b, ip, &last_check, error);
+ }
+ else
+ {
+ if (!(b[0]->flags & VNET_BUFFER_F_IS_NATED))
{
- if (is_tcp_udp0)
- ip4_local_validate_l4 (vm, p0, ip0, is_udp0, &error0,
- &good_tcp_udp0);
- if (is_tcp_udp1)
- ip4_local_validate_l4 (vm, p1, ip1, is_udp1, &error1,
- &good_tcp_udp1);
+ ip4_local_check_l4_csum (vm, b[0], ip[0], &error[0]);
+ ip4_local_check_src (b[0], ip[0], &last_check, &error[0]);
}
-
- ASSERT (IP4_ERROR_TCP_CHECKSUM + 1 == IP4_ERROR_UDP_CHECKSUM);
- error0 = (is_tcp_udp0 && !good_tcp_udp0
- ? IP4_ERROR_TCP_CHECKSUM + is_udp0 : error0);
- error1 = (is_tcp_udp1 && !good_tcp_udp1
- ? IP4_ERROR_TCP_CHECKSUM + is_udp1 : error1);
-
- fib_index0 = vec_elt (im->fib_index_by_sw_if_index, sw_if_index0);
- fib_index0 =
- (vnet_buffer (p0)->sw_if_index[VLIB_TX] ==
- (u32) ~ 0) ? fib_index0 : vnet_buffer (p0)->sw_if_index[VLIB_TX];
-
- fib_index1 = vec_elt (im->fib_index_by_sw_if_index, sw_if_index1);
- fib_index1 =
- (vnet_buffer (p1)->sw_if_index[VLIB_TX] ==
- (u32) ~ 0) ? fib_index1 : vnet_buffer (p1)->sw_if_index[VLIB_TX];
-
- /* TODO maybe move to lookup? */
- vnet_buffer (p0)->ip.fib_index = fib_index0;
- vnet_buffer (p1)->ip.fib_index = fib_index1;
-
- mtrie0 = &ip4_fib_get (fib_index0)->mtrie;
- mtrie1 = &ip4_fib_get (fib_index1)->mtrie;
-
- leaf0 = ip4_fib_mtrie_lookup_step_one (mtrie0, &ip0->src_address);
- leaf1 = ip4_fib_mtrie_lookup_step_one (mtrie1, &ip1->src_address);
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address,
- 2);
- leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, &ip1->src_address,
- 2);
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address,
- 3);
- leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, &ip1->src_address,
- 3);
-
- vnet_buffer (p0)->ip.adj_index[VLIB_RX] = lbi0 =
- ip4_fib_mtrie_leaf_get_adj_index (leaf0);
- vnet_buffer (p0)->ip.adj_index[VLIB_TX] = lbi0;
-
- vnet_buffer (p1)->ip.adj_index[VLIB_RX] = lbi1 =
- ip4_fib_mtrie_leaf_get_adj_index (leaf1);
- vnet_buffer (p1)->ip.adj_index[VLIB_TX] = lbi1;
-
- lb0 = load_balance_get (lbi0);
- lb1 = load_balance_get (lbi1);
- dpo0 = load_balance_get_bucket_i (lb0, 0);
- dpo1 = load_balance_get_bucket_i (lb1, 0);
-
- /*
- * Must have a route to source otherwise we drop the packet.
- * ip4 broadcasts are accepted, e.g. to make dhcp client work
- *
- * The checks are:
- * - the source is a recieve => it's from us => bogus, do this
- * first since it sets a different error code.
- * - uRPF check for any route to source - accept if passes.
- * - allow packets destined to the broadcast address from unknown sources
- */
- if (p0->flags & VNET_BUFFER_F_IS_NATED)
- goto skip_check0;
-
- error0 = ((error0 == IP4_ERROR_UNKNOWN_PROTOCOL &&
- dpo0->dpoi_type == DPO_RECEIVE) ?
- IP4_ERROR_SPOOFED_LOCAL_PACKETS : error0);
- error0 = ((error0 == IP4_ERROR_UNKNOWN_PROTOCOL &&
- !fib_urpf_check_size (lb0->lb_urpf) &&
- ip0->dst_address.as_u32 != 0xFFFFFFFF)
- ? IP4_ERROR_SRC_LOOKUP_MISS : error0);
-
- skip_check0:
- if (p1->flags & VNET_BUFFER_F_IS_NATED)
- goto skip_checks;
-
- error1 = ((error1 == IP4_ERROR_UNKNOWN_PROTOCOL &&
- dpo1->dpoi_type == DPO_RECEIVE) ?
- IP4_ERROR_SPOOFED_LOCAL_PACKETS : error1);
- error1 = ((error1 == IP4_ERROR_UNKNOWN_PROTOCOL &&
- !fib_urpf_check_size (lb1->lb_urpf) &&
- ip1->dst_address.as_u32 != 0xFFFFFFFF)
- ? IP4_ERROR_SRC_LOOKUP_MISS : error1);
-
- skip_checks:
-
- next0 = lm->local_next_by_ip_protocol[proto0];
- next1 = lm->local_next_by_ip_protocol[proto1];
-
- next0 =
- error0 != IP4_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next0;
- next1 =
- error1 != IP4_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next1;
-
- p0->error = error0 ? error_node->errors[error0] : 0;
- p1->error = error1 ? error_node->errors[error1] : 0;
-
- if (head_of_feature_arc)
+ if (!(b[1]->flags & VNET_BUFFER_F_IS_NATED))
{
- if (PREDICT_TRUE (error0 == (u8) IP4_ERROR_UNKNOWN_PROTOCOL))
- vnet_feature_arc_start (arc_index, sw_if_index0, &next0, p0);
- if (PREDICT_TRUE (error1 == (u8) IP4_ERROR_UNKNOWN_PROTOCOL))
- vnet_feature_arc_start (arc_index, sw_if_index1, &next1, p1);
+ ip4_local_check_l4_csum (vm, b[1], ip[1], &error[1]);
+ ip4_local_check_src (b[1], ip[1], &last_check, &error[1]);
}
-
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next,
- n_left_to_next, pi0, pi1,
- next0, next1);
}
- while (n_left_from > 0 && n_left_to_next > 0)
- {
- vlib_buffer_t *p0;
- ip4_header_t *ip0;
- ip4_fib_mtrie_t *mtrie0;
- ip4_fib_mtrie_leaf_t leaf0;
- u32 pi0, next0, fib_index0, lbi0;
- u8 error0, is_udp0, is_tcp_udp0, good_tcp_udp0, proto0;
- load_balance_t *lb0;
- const dpo_id_t *dpo0;
- u32 sw_if_index0;
+ skip_checks:
- pi0 = to_next[0] = from[0];
- from += 1;
- n_left_from -= 1;
- to_next += 1;
- n_left_to_next -= 1;
-
- next0 = IP_LOCAL_NEXT_DROP;
- error0 = IP4_ERROR_UNKNOWN_PROTOCOL;
-
- p0 = vlib_get_buffer (vm, pi0);
- ip0 = vlib_buffer_get_current (p0);
- vnet_buffer (p0)->l3_hdr_offset = p0->current_data;
- sw_if_index0 = vnet_buffer (p0)->sw_if_index[VLIB_RX];
-
- proto0 = ip0->protocol;
+ next[0] = lm->local_next_by_ip_protocol[ip[0]->protocol];
+ next[1] = lm->local_next_by_ip_protocol[ip[1]->protocol];
+ ip4_local_set_next_and_error (error_node, b[0], &next[0], error[0],
+ head_of_feature_arc);
+ ip4_local_set_next_and_error (error_node, b[1], &next[1], error[1],
+ head_of_feature_arc);
- if (head_of_feature_arc == 0 || p0->flags & VNET_BUFFER_F_IS_NATED)
- goto skip_check;
-
- is_udp0 = proto0 == IP_PROTOCOL_UDP;
- is_tcp_udp0 = is_udp0 || proto0 == IP_PROTOCOL_TCP;
-
- good_tcp_udp0 =
- (p0->flags & VNET_BUFFER_F_L4_CHECKSUM_CORRECT
- || (p0->flags & VNET_BUFFER_F_OFFLOAD_TCP_CKSUM
- || p0->flags & VNET_BUFFER_F_OFFLOAD_UDP_CKSUM)) != 0;
-
- if (PREDICT_FALSE (ip4_local_do_l4_check (is_tcp_udp0, p0->flags)))
- {
- ip4_local_validate_l4 (vm, p0, ip0, is_udp0, &error0,
- &good_tcp_udp0);
- }
+ b += 2;
+ next += 2;
+ n_left_from -= 2;
+ }
- ASSERT (IP4_ERROR_TCP_CHECKSUM + 1 == IP4_ERROR_UDP_CHECKSUM);
- error0 = (is_tcp_udp0 && !good_tcp_udp0
- ? IP4_ERROR_TCP_CHECKSUM + is_udp0 : error0);
-
- fib_index0 = vec_elt (im->fib_index_by_sw_if_index, sw_if_index0);
- fib_index0 =
- (vnet_buffer (p0)->sw_if_index[VLIB_TX] ==
- (u32) ~ 0) ? fib_index0 : vnet_buffer (p0)->sw_if_index[VLIB_TX];
- vnet_buffer (p0)->ip.fib_index = fib_index0;
- mtrie0 = &ip4_fib_get (fib_index0)->mtrie;
- leaf0 = ip4_fib_mtrie_lookup_step_one (mtrie0, &ip0->src_address);
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address,
- 2);
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, &ip0->src_address,
- 3);
- lbi0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0);
- vnet_buffer (p0)->ip.adj_index[VLIB_TX] = lbi0;
- vnet_buffer (p0)->ip.adj_index[VLIB_RX] = lbi0;
+ while (n_left_from > 0)
+ {
+ error[0] = IP4_ERROR_UNKNOWN_PROTOCOL;
- lb0 = load_balance_get (lbi0);
- dpo0 = load_balance_get_bucket_i (lb0, 0);
+ ip[0] = vlib_buffer_get_current (b[0]);
+ vnet_buffer (b[0])->l3_hdr_offset = b[0]->current_data;
- error0 = ((error0 == IP4_ERROR_UNKNOWN_PROTOCOL &&
- dpo0->dpoi_type == DPO_RECEIVE) ?
- IP4_ERROR_SPOOFED_LOCAL_PACKETS : error0);
- error0 = ((error0 == IP4_ERROR_UNKNOWN_PROTOCOL &&
- !fib_urpf_check_size (lb0->lb_urpf) &&
- ip0->dst_address.as_u32 != 0xFFFFFFFF)
- ? IP4_ERROR_SRC_LOOKUP_MISS : error0);
+ if (head_of_feature_arc == 0 || (b[0]->flags & VNET_BUFFER_F_IS_NATED))
+ goto skip_check;
- skip_check:
- next0 = lm->local_next_by_ip_protocol[proto0];
- next0 =
- error0 != IP4_ERROR_UNKNOWN_PROTOCOL ? IP_LOCAL_NEXT_DROP : next0;
+ ip4_local_check_l4_csum (vm, b[0], ip[0], &error[0]);
+ ip4_local_check_src (b[0], ip[0], &last_check, &error[0]);
- p0->error = error0 ? error_node->errors[error0] : 0;
+ skip_check:
- if (head_of_feature_arc)
- {
- if (PREDICT_TRUE (error0 == (u8) IP4_ERROR_UNKNOWN_PROTOCOL))
- vnet_feature_arc_start (arc_index, sw_if_index0, &next0, p0);
- }
+ next[0] = lm->local_next_by_ip_protocol[ip[0]->protocol];
+ ip4_local_set_next_and_error (error_node, b[0], &next[0], error[0],
+ head_of_feature_arc);
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
- n_left_to_next, pi0, next0);
- }
- vlib_put_next_frame (vm, node, next_index, n_left_to_next);
+ b += 1;
+ next += 1;
+ n_left_from -= 1;
}
+ vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
return frame->n_vectors;
}
-static uword
-ip4_local (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
+VLIB_NODE_FN (ip4_local_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
return ip4_local_inline (vm, node, frame, 1 /* head of feature arc */ );
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip4_local_node) =
{
- .function = ip4_local,
.name = "ip4-local",
.vector_size = sizeof (u32),
.format_trace = format_ip4_forward_next_trace,
};
/* *INDENT-ON* */
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_local_node, ip4_local);
-static uword
-ip4_local_end_of_arc (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+VLIB_NODE_FN (ip4_local_end_of_arc_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
return ip4_local_inline (vm, node, frame, 0 /* head of feature arc */ );
}
/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (ip4_local_end_of_arc_node,static) = {
- .function = ip4_local_end_of_arc,
+VLIB_REGISTER_NODE (ip4_local_end_of_arc_node) = {
.name = "ip4-local-end-of-arc",
.vector_size = sizeof (u32),
.sibling_of = "ip4-local",
};
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_local_end_of_arc_node, ip4_local_end_of_arc)
-
VNET_FEATURE_INIT (ip4_local_end_of_arc, static) = {
.arc_name = "ip4-local",
.node_name = "ip4-local-end-of-arc",
};
/* *INDENT-ON* */
+#ifndef CLIB_MARCH_VARIANT
void
ip4_register_protocol (u32 protocol, u32 node_index)
{
lm->local_next_by_ip_protocol[protocol] =
vlib_node_add_next (vm, ip4_local_node.index, node_index);
}
+#endif
static clib_error_t *
show_ip_local_command_fn (vlib_main_t * vm,
ip_lookup_main_t *lm = &im->lookup_main;
u32 *from, *to_next_drop;
uword n_left_from, n_left_to_next_drop, next_index;
- static f64 time_last_seed_change = -1e100;
- static u32 hash_seeds[3];
- static uword hash_bitmap[256 / BITS (uword)];
+ u32 thread_index = vm->thread_index;
+ u32 seed;
f64 time_now;
if (node->flags & VLIB_NODE_FLAG_TRACE)
ip4_forward_next_trace (vm, node, frame, VLIB_TX);
time_now = vlib_time_now (vm);
- if (time_now - time_last_seed_change > 1e-3)
+ if (time_now - im->arp_throttle_last_seed_change_time[thread_index] > 1e-3)
{
- uword i;
- u32 *r = clib_random_buffer_get_data (&vm->random_buffer,
- sizeof (hash_seeds));
- for (i = 0; i < ARRAY_LEN (hash_seeds); i++)
- hash_seeds[i] = r[i];
-
- /* Mark all hash keys as been no-seen before. */
- for (i = 0; i < ARRAY_LEN (hash_bitmap); i++)
- hash_bitmap[i] = 0;
+ (void) random_u32 (&im->arp_throttle_seeds[thread_index]);
+ memset (im->arp_throttle_bitmaps[thread_index], 0,
+ ARP_THROTTLE_BITS / BITS (u8));
- time_last_seed_change = time_now;
+ im->arp_throttle_last_seed_change_time[thread_index] = time_now;
}
+ seed = im->arp_throttle_seeds[thread_index];
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
while (n_left_from > 0 && n_left_to_next_drop > 0)
{
- u32 pi0, adj_index0, a0, b0, c0, m0, sw_if_index0, drop0;
+ u32 pi0, adj_index0, r0, w0, sw_if_index0, drop0;
+ uword m0;
ip_adjacency_t *adj0;
vlib_buffer_t *p0;
ip4_header_t *ip0;
- uword bm0;
pi0 = from[0];
adj0 = adj_get (adj_index0);
ip0 = vlib_buffer_get_current (p0);
- a0 = hash_seeds[0];
- b0 = hash_seeds[1];
- c0 = hash_seeds[2];
-
sw_if_index0 = adj0->rewrite_header.sw_if_index;
vnet_buffer (p0)->sw_if_index[VLIB_TX] = sw_if_index0;
- if (is_glean)
+ if (PREDICT_TRUE (is_glean))
{
/*
* this is the Glean case, so we are ARPing for the
* packet's destination
*/
- a0 ^= ip0->dst_address.data_u32;
+ r0 = ip0->dst_address.data_u32;
}
else
{
- a0 ^= adj0->sub_type.nbr.next_hop.ip4.data_u32;
+ r0 = adj0->sub_type.nbr.next_hop.ip4.data_u32;
}
- b0 ^= sw_if_index0;
-
- hash_v3_mix32 (a0, b0, c0);
- hash_v3_finalize32 (a0, b0, c0);
-
- c0 &= BITS (hash_bitmap) - 1;
- m0 = (uword) 1 << (c0 % BITS (uword));
- c0 = c0 / BITS (uword);
- bm0 = hash_bitmap[c0];
- drop0 = (bm0 & m0) != 0;
+ r0 ^= seed;
+ /* Select bit number */
+ r0 &= ARP_THROTTLE_BITS - 1;
+ w0 = r0 / BITS (uword);
+ m0 = (uword) 1 << (r0 % BITS (uword));
- /* Mark it as seen. */
- hash_bitmap[c0] = bm0 | m0;
+ drop0 = (im->arp_throttle_bitmaps[thread_index][w0] & m0) != 0;
+ im->arp_throttle_bitmaps[thread_index][w0] |= m0;
from += 1;
n_left_from -= 1;
return frame->n_vectors;
}
-static uword
-ip4_arp (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
+VLIB_NODE_FN (ip4_arp_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
return (ip4_arp_inline (vm, node, frame, 0));
}
-static uword
-ip4_glean (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
+VLIB_NODE_FN (ip4_glean_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
return (ip4_arp_inline (vm, node, frame, 1));
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip4_arp_node) =
{
- .function = ip4_arp,
.name = "ip4-arp",
.vector_size = sizeof (u32),
.format_trace = format_ip4_forward_next_trace,
VLIB_REGISTER_NODE (ip4_glean_node) =
{
- .function = ip4_glean,
.name = "ip4-glean",
.vector_size = sizeof (u32),
.format_trace = format_ip4_forward_next_trace,
_(REPLICATE_DROP) \
_(REPLICATE_FAIL)
-clib_error_t *
+static clib_error_t *
arp_notrace_init (vlib_main_t * vm)
{
vlib_node_runtime_t *rt = vlib_node_get_runtime (vm, ip4_arp_node.index);
VLIB_INIT_FUNCTION (arp_notrace_init);
+#ifndef CLIB_MARCH_VARIANT
/* Send an ARP request to see if given destination is reachable on given interface. */
clib_error_t *
-ip4_probe_neighbor (vlib_main_t * vm, ip4_address_t * dst, u32 sw_if_index)
+ip4_probe_neighbor (vlib_main_t * vm, ip4_address_t * dst, u32 sw_if_index,
+ u8 refresh)
{
vnet_main_t *vnm = vnet_get_main ();
ip4_main_t *im = &ip4_main;
vlib_buffer_t *b;
adj_index_t ai;
u32 bi = 0;
+ u8 unicast_rewrite = 0;
si = vnet_get_sw_interface (vnm, sw_if_index);
&im->ip4_arp_request_packet_template,
&bi);
+ if (!h)
+ return clib_error_return (0, "ARP request packet allocation failed");
+
hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
if (PREDICT_FALSE (!hi->hw_address))
{
/* Peer has been previously resolved, retrieve glean adj instead */
if (adj->lookup_next_index == IP_LOOKUP_NEXT_REWRITE)
{
- adj_unlock (ai);
- ai = adj_glean_add_or_lock (FIB_PROTOCOL_IP4,
- VNET_LINK_IP4, sw_if_index, &nh);
- adj = adj_get (ai);
+ if (refresh)
+ unicast_rewrite = 1;
+ else
+ {
+ adj_unlock (ai);
+ ai = adj_glean_add_or_lock (FIB_PROTOCOL_IP4,
+ VNET_LINK_IP4, sw_if_index, &nh);
+ adj = adj_get (ai);
+ }
}
/* Add encapsulation string for software interface (e.g. ethernet header). */
vnet_rewrite_one_header (adj[0], h, sizeof (ethernet_header_t));
+ if (unicast_rewrite)
+ {
+ u16 *etype = vlib_buffer_get_current (b) - 2;
+ etype[0] = clib_host_to_net_u16 (ETHERNET_TYPE_ARP);
+ }
vlib_buffer_advance (b, -adj->rewrite_header.data_bytes);
{
adj_unlock (ai);
return /* no error */ 0;
}
+#endif
typedef enum
{
IP4_REWRITE_NEXT_DROP,
IP4_REWRITE_NEXT_ICMP_ERROR,
+ IP4_REWRITE_NEXT_FRAGMENT,
+ IP4_REWRITE_N_NEXT /* Last */
} ip4_rewrite_next_t;
/**
}
else
{
- /* Add support for fragmentation here */
- *next = IP4_REWRITE_NEXT_DROP;
+ /* IP fragmentation */
+ ip_frag_set_vnet_buffer (b, 0, adj_packet_bytes,
+ IP4_FRAG_NEXT_IP4_REWRITE, 0);
+ *next = IP4_REWRITE_NEXT_FRAGMENT;
}
}
}
n_left_from = frame->n_vectors;
next_index = node->cached_next_index;
- u32 thread_index = vlib_get_thread_index ();
+ u32 thread_index = vm->thread_index;
while (n_left_from > 0)
{
- <code> adj->rewrite_header.next_index </code>
or @c ip4-drop
*/
-static uword
-ip4_rewrite (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+
+VLIB_NODE_FN (ip4_rewrite_node) (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ if (adj_are_counters_enabled ())
+ return ip4_rewrite_inline (vm, node, frame, 1, 0, 0);
+ else
+ return ip4_rewrite_inline (vm, node, frame, 0, 0, 0);
+}
+
+VLIB_NODE_FN (ip4_rewrite_bcast_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
if (adj_are_counters_enabled ())
return ip4_rewrite_inline (vm, node, frame, 1, 0, 0);
return ip4_rewrite_inline (vm, node, frame, 0, 0, 0);
}
-static uword
-ip4_midchain (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+VLIB_NODE_FN (ip4_midchain_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
if (adj_are_counters_enabled ())
return ip4_rewrite_inline (vm, node, frame, 1, 1, 0);
return ip4_rewrite_inline (vm, node, frame, 0, 1, 0);
}
-static uword
-ip4_rewrite_mcast (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+VLIB_NODE_FN (ip4_rewrite_mcast_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
if (adj_are_counters_enabled ())
return ip4_rewrite_inline (vm, node, frame, 1, 0, 1);
return ip4_rewrite_inline (vm, node, frame, 0, 0, 1);
}
-static uword
-ip4_mcast_midchain (vlib_main_t * vm,
- vlib_node_runtime_t * node, vlib_frame_t * frame)
+VLIB_NODE_FN (ip4_mcast_midchain_node) (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
if (adj_are_counters_enabled ())
return ip4_rewrite_inline (vm, node, frame, 1, 1, 1);
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (ip4_rewrite_node) = {
- .function = ip4_rewrite,
.name = "ip4-rewrite",
.vector_size = sizeof (u32),
.format_trace = format_ip4_rewrite_trace,
- .n_next_nodes = 2,
+ .n_next_nodes = IP4_REWRITE_N_NEXT,
.next_nodes = {
[IP4_REWRITE_NEXT_DROP] = "ip4-drop",
[IP4_REWRITE_NEXT_ICMP_ERROR] = "ip4-icmp-error",
+ [IP4_REWRITE_NEXT_FRAGMENT] = "ip4-frag",
},
};
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_rewrite_node, ip4_rewrite)
+
+VLIB_REGISTER_NODE (ip4_rewrite_bcast_node) = {
+ .name = "ip4-rewrite-bcast",
+ .vector_size = sizeof (u32),
+
+ .format_trace = format_ip4_rewrite_trace,
+ .sibling_of = "ip4-rewrite",
+};
VLIB_REGISTER_NODE (ip4_rewrite_mcast_node) = {
- .function = ip4_rewrite_mcast,
.name = "ip4-rewrite-mcast",
.vector_size = sizeof (u32),
.format_trace = format_ip4_rewrite_trace,
.sibling_of = "ip4-rewrite",
};
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_rewrite_mcast_node, ip4_rewrite_mcast)
-VLIB_REGISTER_NODE (ip4_mcast_midchain_node, static) = {
- .function = ip4_mcast_midchain,
+VLIB_REGISTER_NODE (ip4_mcast_midchain_node) = {
.name = "ip4-mcast-midchain",
.vector_size = sizeof (u32),
.format_trace = format_ip4_rewrite_trace,
.sibling_of = "ip4-rewrite",
};
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_mcast_midchain_node, ip4_mcast_midchain)
VLIB_REGISTER_NODE (ip4_midchain_node) = {
- .function = ip4_midchain,
.name = "ip4-midchain",
.vector_size = sizeof (u32),
.format_trace = format_ip4_forward_next_trace,
.sibling_of = "ip4-rewrite",
};
-VLIB_NODE_FUNCTION_MULTIARCH (ip4_midchain_node, ip4_midchain);
/* *INDENT-ON */
-int
+static int
ip4_lookup_validate (ip4_address_t * a, u32 fib_index0)
{
ip4_fib_mtrie_t *mtrie0;
};
/* *INDENT-ON* */
+#ifndef CLIB_MARCH_VARIANT
int
vnet_set_ip4_flow_hash (u32 table_id, u32 flow_hash_config)
{
return 0;
}
+#endif
static clib_error_t *
set_ip_flow_hash_command_fn (vlib_main_t * vm,
};
/* *INDENT-ON* */
+#ifndef CLIB_MARCH_VARIANT
int
vnet_set_ip4_classify_intfc (vlib_main_t * vm, u32 sw_if_index,
u32 table_index)
return 0;
}
+#endif
static clib_error_t *
set_ip_classify_command_fn (vlib_main_t * vm,
Code Review / vpp.git / blobdiff