* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* limitations under the License.
*/
#include <vnet/ip/ip.h>
+#include <vnet/ip/ip_source_and_port_range_check.h>
+#include <vnet/dpo/load_balance.h>
+#include <vnet/fib/fib_table.h>
+#include <vnet/fib/ip4_fib.h>
-typedef struct {
- u32 ranges_per_adjacency;
- u32 special_adjacency_format_function_index;
-
- /* convenience */
- vlib_main_t *vlib_main;
- vnet_main_t *vnet_main;
-} source_range_check_main_t;
-
-source_range_check_main_t source_range_check_main;
-
-vlib_node_registration_t ip4_source_port_and_range_check;
+/**
+ * @brief The pool of range chack DPOs
+ */
+static protocol_port_range_dpo_t *ppr_dpo_pool;
-typedef struct {
- union {
- u16x8 as_u16x8;
- u16 as_u16[8];
- };
-} u16x8vec_t;
+/**
+ * @brief Dynamically registered DPO type
+ */
+static dpo_type_t ppr_dpo_type;
-typedef struct {
- u16x8vec_t low;
- u16x8vec_t hi;
-} port_range_t;
+vlib_node_registration_t ip4_source_port_and_range_check_rx;
+vlib_node_registration_t ip4_source_port_and_range_check_tx;
-#define foreach_ip4_source_and_port_range_check_error \
-_(CHECK_FAIL, "ip4 source and port range check bad packets") \
-_(CHECK_OK, "ip4 source and port range check good packets")
+#define foreach_ip4_source_and_port_range_check_error \
+ _(CHECK_FAIL, "ip4 source and port range check bad packets") \
+ _(CHECK_OK, "ip4 source and port range check good packets")
-typedef enum {
+typedef enum
+{
#define _(sym,str) IP4_SOURCE_AND_PORT_RANGE_CHECK_ERROR_##sym,
foreach_ip4_source_and_port_range_check_error
#undef _
- IP4_SOURCE_AND_PORT_RANGE_CHECK_N_ERROR,
+ IP4_SOURCE_AND_PORT_RANGE_CHECK_N_ERROR,
} ip4_source_and_port_range_check_error_t;
-static char * ip4_source_and_port_range_check_error_strings[] = {
+static char *ip4_source_and_port_range_check_error_strings[] = {
#define _(sym,string) string,
foreach_ip4_source_and_port_range_check_error
#undef _
};
-typedef struct {
+typedef struct
+{
u32 pass;
u32 bypass;
u32 is_tcp;
ip4_address_t src_addr;
- u16 dst_port;
+ u16 port;
+ u32 fib_index;
} ip4_source_and_port_range_check_trace_t;
-static u8 * format_ip4_source_and_port_range_check_trace (u8 * s, va_list * va)
+static u8 *
+format_ip4_source_and_port_range_check_trace (u8 * s, va_list * va)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *);
- ip4_source_and_port_range_check_trace_t * t =
+ ip4_source_and_port_range_check_trace_t *t =
va_arg (*va, ip4_source_and_port_range_check_trace_t *);
if (t->bypass)
s = format (s, "PASS (bypass case)");
else
- s = format (s, "src ip %U %s dst port %d: %s",
- format_ip4_address, &t->src_addr, t->is_tcp ? "TCP" : "UDP",
- (u32) t->dst_port,
- (t->pass == 1) ? "PASS" : "FAIL");
+ s = format (s, "fib %d src ip %U %s dst port %d: %s",
+ t->fib_index, format_ip4_address, &t->src_addr,
+ t->is_tcp ? "TCP" : "UDP", (u32) t->port,
+ (t->pass == 1) ? "PASS" : "FAIL");
return s;
}
-typedef enum {
+typedef enum
+{
IP4_SOURCE_AND_PORT_RANGE_CHECK_NEXT_DROP,
IP4_SOURCE_AND_PORT_RANGE_CHECK_N_NEXT,
} ip4_source_and_port_range_check_next_t;
-typedef union {
- u32 fib_index;
-} ip4_source_and_port_range_check_config_t;
-static inline u32 check_adj_port_range_x1 (ip_adjacency_t * adj,
- u16 dst_port,
- u32 next)
+static inline u32
+check_adj_port_range_x1 (const protocol_port_range_dpo_t * ppr_dpo,
+ u16 dst_port, u32 next)
{
- port_range_t *range;
+ const protocol_port_range_t *range;
u16x8vec_t key;
u16x8vec_t diff1;
u16x8vec_t diff2;
u16x8vec_t sum, sum_equal_diff2;
u16 sum_nonzero, sum_equal, winner_mask;
int i;
- u8 * rwh;
- if (adj->lookup_next_index != IP_LOOKUP_NEXT_ICMP_ERROR || dst_port == 0)
+ if (NULL == ppr_dpo || dst_port == 0)
return IP4_SOURCE_AND_PORT_RANGE_CHECK_NEXT_DROP;
- rwh = (u8 *)(&adj->rewrite_header);
- range = (port_range_t *)rwh;
-
/* Make the obvious screw-case work. A variant also works w/ no MMX */
- if (PREDICT_FALSE(dst_port == 65535))
+ if (PREDICT_FALSE (dst_port == 65535))
{
int j;
- for (i = 0; i < VLIB_BUFFER_PRE_DATA_SIZE / sizeof(port_range_t); i++)
- {
- for (j = 0; j < 8; j++)
- if (range->low.as_u16x8[j] == 65535)
- return next;
- range++;
- }
+ for (i = 0;
+ i < VLIB_BUFFER_PRE_DATA_SIZE / sizeof (protocol_port_range_t);
+ i++)
+ {
+ for (j = 0; j < 8; j++)
+ if (ppr_dpo->blocks[i].low.as_u16[j] == 65535)
+ return next;
+ }
return IP4_SOURCE_AND_PORT_RANGE_CHECK_NEXT_DROP;
}
key.as_u16x8 = u16x8_splat (dst_port);
- for (i = 0; i < VLIB_BUFFER_PRE_DATA_SIZE / sizeof(port_range_t); i++)
+ for (i = 0; i < ppr_dpo->n_used_blocks; i++)
{
- diff1.as_u16x8 = u16x8_sub_saturate (range->low.as_u16x8, key.as_u16x8);
- diff2.as_u16x8 = u16x8_sub_saturate (range->hi.as_u16x8, key.as_u16x8);
+ diff1.as_u16x8 =
+ u16x8_sub_saturate (ppr_dpo->blocks[i].low.as_u16x8, key.as_u16x8);
+ diff2.as_u16x8 =
+ u16x8_sub_saturate (ppr_dpo->blocks[i].hi.as_u16x8, key.as_u16x8);
sum.as_u16x8 = u16x8_add (diff1.as_u16x8, diff2.as_u16x8);
- sum_equal_diff2.as_u16x8 = u16x8_is_equal (sum.as_u16x8, diff2.as_u16x8);
+ sum_equal_diff2.as_u16x8 =
+ u16x8_is_equal (sum.as_u16x8, diff2.as_u16x8);
sum_nonzero = ~u16x8_zero_byte_mask (sum.as_u16x8);
sum_equal = ~u16x8_zero_byte_mask (sum_equal_diff2.as_u16x8);
winner_mask = sum_nonzero & sum_equal;
if (winner_mask)
- return next;
+ return next;
range++;
}
return IP4_SOURCE_AND_PORT_RANGE_CHECK_NEXT_DROP;
}
+always_inline protocol_port_range_dpo_t *
+protocol_port_range_dpo_get (index_t index)
+{
+ return (pool_elt_at_index (ppr_dpo_pool, index));
+}
+
always_inline uword
-ip4_source_and_port_range_check_inline
-(vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ip4_source_and_port_range_check_inline (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame, int is_tx)
{
- ip4_main_t * im = &ip4_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- ip_config_main_t * cm = &lm->rx_config_mains[VNET_UNICAST];
- u32 n_left_from, * from, * to_next;
+ ip4_main_t *im = &ip4_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
+ ip_config_main_t *rx_cm =
+ &lm->feature_config_mains[VNET_IP_RX_UNICAST_FEAT];
+ ip_config_main_t *tx_cm = &lm->feature_config_mains[VNET_IP_TX_FEAT];
+ u32 n_left_from, *from, *to_next;
u32 next_index;
- vlib_node_runtime_t * error_node = node;
+ vlib_node_runtime_t *error_node = node;
u32 good_packets = 0;
+ int i;
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
{
u32 n_left_to_next;
- vlib_get_next_frame (vm, node, next_index,
- to_next, n_left_to_next);
-
- while (n_left_from >= 4 && n_left_to_next >= 2)
- {
- vlib_buffer_t * b0, * b1;
- ip4_header_t * ip0, * ip1;
- ip4_fib_mtrie_t * mtrie0, * mtrie1;
- ip4_fib_mtrie_leaf_t leaf0, leaf1;
- ip4_source_and_port_range_check_config_t * c0, * c1;
- ip_adjacency_t * adj0, * adj1;
- u32 bi0, next0, adj_index0, pass0, save_next0;
- u32 bi1, next1, adj_index1, pass1, save_next1;
- udp_header_t * udp0, * udp1;
-
- /* Prefetch next iteration. */
- {
- vlib_buffer_t * p2, * p3;
-
- p2 = vlib_get_buffer (vm, from[2]);
- p3 = vlib_get_buffer (vm, from[3]);
-
- vlib_prefetch_buffer_header (p2, LOAD);
- vlib_prefetch_buffer_header (p3, LOAD);
-
- CLIB_PREFETCH (p2->data, sizeof (ip0[0]), LOAD);
- CLIB_PREFETCH (p3->data, sizeof (ip1[0]), LOAD);
- }
-
- bi0 = to_next[0] = from[0];
- bi1 = to_next[1] = from[1];
- from += 2;
- to_next += 2;
- n_left_from -= 2;
- n_left_to_next -= 2;
-
- b0 = vlib_get_buffer (vm, bi0);
- b1 = vlib_get_buffer (vm, bi1);
-
- ip0 = vlib_buffer_get_current (b0);
- ip1 = vlib_buffer_get_current (b1);
-
- c0 = vnet_get_config_data (&cm->config_main,
- &b0->current_config_index,
- &next0,
- sizeof (c0[0]));
- c1 = vnet_get_config_data (&cm->config_main,
- &b1->current_config_index,
- &next1,
- sizeof (c1[0]));
-
- /* we can't use the default VRF here... */
- ASSERT (c0->fib_index && c1->fib_index);
-
- mtrie0 = &vec_elt_at_index (im->fibs, c0->fib_index)->mtrie;
- mtrie1 = &vec_elt_at_index (im->fibs, c1->fib_index)->mtrie;
-
- leaf0 = leaf1 = IP4_FIB_MTRIE_LEAF_ROOT;
-
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0,
- &ip0->src_address, 0);
- leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1,
- &ip1->src_address, 0);
-
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0,
- &ip0->src_address, 1);
- leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1,
- &ip1->src_address, 1);
-
- 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);
-
- adj_index0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0);
- adj_index1 = ip4_fib_mtrie_leaf_get_adj_index (leaf1);
-
- ASSERT (adj_index0 == ip4_fib_lookup_with_table (im, c0->fib_index,
- &ip0->src_address,
- 0 /* use dflt rt */));
-
- ASSERT (adj_index1 == ip4_fib_lookup_with_table (im, c1->fib_index,
- &ip1->src_address,
- 0));
- adj0 = ip_get_adjacency (lm, adj_index0);
- adj1 = ip_get_adjacency (lm, adj_index1);
-
- pass0 = 0;
- pass0 |= ip4_address_is_multicast (&ip0->src_address);
- pass0 |= ip0->src_address.as_u32 == clib_host_to_net_u32(0xFFFFFFFF);
- pass0 |= (ip0->protocol != IP_PROTOCOL_UDP) &&
- (ip0->protocol != IP_PROTOCOL_TCP);
-
- pass1 = 0;
- pass1 |= ip4_address_is_multicast (&ip1->src_address);
- pass1 |= ip1->src_address.as_u32 == clib_host_to_net_u32(0xFFFFFFFF);
- pass1 |= (ip1->protocol != IP_PROTOCOL_UDP) &&
- (ip1->protocol != IP_PROTOCOL_TCP);
-
- save_next0 = next0;
- udp0 = ip4_next_header (ip0);
- save_next1 = next1;
- udp1 = ip4_next_header (ip1);
-
- if (PREDICT_TRUE(pass0 == 0))
- {
- good_packets ++;
- next0 = check_adj_port_range_x1
- (adj0, clib_net_to_host_u16(udp0->dst_port), next0);
- good_packets -= (save_next0 != next0);
- b0->error = error_node->errors
- [IP4_SOURCE_AND_PORT_RANGE_CHECK_ERROR_CHECK_FAIL];
- }
-
- if (PREDICT_TRUE(pass1 == 0))
- {
- good_packets ++;
- next1 = check_adj_port_range_x1
- (adj1, clib_net_to_host_u16(udp1->dst_port), next1);
- good_packets -= (save_next1 != next1);
- b1->error = error_node->errors
- [IP4_SOURCE_AND_PORT_RANGE_CHECK_ERROR_CHECK_FAIL];
- }
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED))) {
- ip4_source_and_port_range_check_trace_t * t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->pass = next0 == save_next0;
- t->bypass = pass0;
- t->src_addr.as_u32 = ip0->src_address.as_u32;
- t->dst_port = (pass0 == 0) ?
- clib_net_to_host_u16(udp0->dst_port) : 0;
- t->is_tcp = ip0->protocol == IP_PROTOCOL_TCP;
- }
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b1->flags & VLIB_BUFFER_IS_TRACED))) {
- ip4_source_and_port_range_check_trace_t * t =
- vlib_add_trace (vm, node, b1, sizeof (*t));
- t->pass = next1 == save_next1;
- t->bypass = pass1;
- t->src_addr.as_u32 = ip1->src_address.as_u32;
- t->dst_port = (pass1 == 0) ?
- clib_net_to_host_u16(udp1->dst_port) : 0;
- t->is_tcp = ip1->protocol == IP_PROTOCOL_TCP;
- }
-
- vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, bi1, next0, next1);
- }
+ 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 *b0, *b1; */
+ /* ip4_header_t *ip0, *ip1; */
+ /* ip4_fib_mtrie_t *mtrie0, *mtrie1; */
+ /* ip4_fib_mtrie_leaf_t leaf0, leaf1; */
+ /* ip_source_and_port_range_check_config_t *c0, *c1; */
+ /* ip_adjacency_t *adj0 = 0, *adj1 = 0; */
+ /* u32 bi0, next0, adj_index0, pass0, save_next0, fib_index0; */
+ /* u32 bi1, next1, adj_index1, pass1, save_next1, fib_index1; */
+ /* udp_header_t *udp0, *udp1; */
+
+ /* /\* Prefetch next iteration. *\/ */
+ /* { */
+ /* vlib_buffer_t *p2, *p3; */
+
+ /* p2 = vlib_get_buffer (vm, from[2]); */
+ /* p3 = vlib_get_buffer (vm, from[3]); */
+
+ /* vlib_prefetch_buffer_header (p2, LOAD); */
+ /* vlib_prefetch_buffer_header (p3, LOAD); */
+
+ /* CLIB_PREFETCH (p2->data, sizeof (ip0[0]), LOAD); */
+ /* CLIB_PREFETCH (p3->data, sizeof (ip1[0]), LOAD); */
+ /* } */
+
+ /* bi0 = to_next[0] = from[0]; */
+ /* bi1 = to_next[1] = from[1]; */
+ /* from += 2; */
+ /* to_next += 2; */
+ /* n_left_from -= 2; */
+ /* n_left_to_next -= 2; */
+
+ /* b0 = vlib_get_buffer (vm, bi0); */
+ /* b1 = vlib_get_buffer (vm, bi1); */
+
+ /* fib_index0 = */
+ /* vec_elt (im->fib_index_by_sw_if_index, */
+ /* vnet_buffer (b0)->sw_if_index[VLIB_RX]); */
+ /* fib_index1 = */
+ /* vec_elt (im->fib_index_by_sw_if_index, */
+ /* vnet_buffer (b1)->sw_if_index[VLIB_RX]); */
+
+ /* ip0 = vlib_buffer_get_current (b0); */
+ /* ip1 = vlib_buffer_get_current (b1); */
+
+ /* if (is_tx) */
+ /* { */
+ /* c0 = vnet_get_config_data (&tx_cm->config_main, */
+ /* &b0->current_config_index, */
+ /* &next0, sizeof (c0[0])); */
+ /* c1 = vnet_get_config_data (&tx_cm->config_main, */
+ /* &b1->current_config_index, */
+ /* &next1, sizeof (c1[0])); */
+ /* } */
+ /* else */
+ /* { */
+ /* c0 = vnet_get_config_data (&rx_cm->config_main, */
+ /* &b0->current_config_index, */
+ /* &next0, sizeof (c0[0])); */
+ /* c1 = vnet_get_config_data (&rx_cm->config_main, */
+ /* &b1->current_config_index, */
+ /* &next1, sizeof (c1[0])); */
+ /* } */
+
+ /* /\* we can't use the default VRF here... *\/ */
+ /* for (i = 0; i < IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS; i++) */
+ /* { */
+ /* ASSERT (c0->fib_index[i] && c1->fib_index[i]); */
+ /* } */
+
+
+ /* if (is_tx) */
+ /* { */
+ /* if (ip0->protocol == IP_PROTOCOL_UDP) */
+ /* fib_index0 = */
+ /* c0->fib_index */
+ /* [IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_IN]; */
+ /* if (ip0->protocol == IP_PROTOCOL_TCP) */
+ /* fib_index0 = */
+ /* c0->fib_index */
+ /* [IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_IN]; */
+ /* } */
+ /* else */
+ /* { */
+ /* if (ip0->protocol == IP_PROTOCOL_UDP) */
+ /* fib_index0 = */
+ /* c0->fib_index */
+ /* [IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_OUT]; */
+ /* if (ip0->protocol == IP_PROTOCOL_TCP) */
+ /* fib_index0 = */
+ /* c0->fib_index */
+ /* [IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_OUT]; */
+ /* } */
+
+ /* if (PREDICT_TRUE (fib_index0 != ~0)) */
+ /* { */
+
+ /* mtrie0 = &vec_elt_at_index (im->fibs, fib_index0)->mtrie; */
+
+ /* leaf0 = IP4_FIB_MTRIE_LEAF_ROOT; */
+
+ /* leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, */
+ /* &ip0->src_address, 0); */
+
+ /* leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, */
+ /* &ip0->src_address, 1); */
+
+ /* leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, */
+ /* &ip0->src_address, 2); */
+
+ /* leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0, */
+ /* &ip0->src_address, 3); */
+
+ /* adj_index0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0); */
+
+ /* ASSERT (adj_index0 == ip4_fib_lookup_with_table (im, fib_index0, */
+ /* &ip0->src_address, */
+ /* 0 */
+ /* /\* use dflt rt *\/ */
+ /* )); */
+ /* adj0 = ip_get_adjacency (lm, adj_index0); */
+ /* } */
+
+ /* if (is_tx) */
+ /* { */
+ /* if (ip1->protocol == IP_PROTOCOL_UDP) */
+ /* fib_index1 = */
+ /* c1->fib_index */
+ /* [IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_IN]; */
+ /* if (ip1->protocol == IP_PROTOCOL_TCP) */
+ /* fib_index1 = */
+ /* c1->fib_index */
+ /* [IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_IN]; */
+ /* } */
+ /* else */
+ /* { */
+ /* if (ip1->protocol == IP_PROTOCOL_UDP) */
+ /* fib_index1 = */
+ /* c1->fib_index */
+ /* [IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_OUT]; */
+ /* if (ip1->protocol == IP_PROTOCOL_TCP) */
+ /* fib_index1 = */
+ /* c1->fib_index */
+ /* [IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_OUT]; */
+ /* } */
+
+ /* if (PREDICT_TRUE (fib_index1 != ~0)) */
+ /* { */
+
+ /* mtrie1 = &vec_elt_at_index (im->fibs, fib_index1)->mtrie; */
+
+ /* leaf1 = IP4_FIB_MTRIE_LEAF_ROOT; */
+
+ /* leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, */
+ /* &ip1->src_address, 0); */
+
+ /* leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, */
+ /* &ip1->src_address, 1); */
+
+ /* leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, */
+ /* &ip1->src_address, 2); */
+
+ /* leaf1 = ip4_fib_mtrie_lookup_step (mtrie1, leaf1, */
+ /* &ip1->src_address, 3); */
+
+ /* adj_index1 = ip4_fib_mtrie_leaf_get_adj_index (leaf1); */
+
+ /* ASSERT (adj_index1 == ip4_fib_lookup_with_table (im, fib_index1, */
+ /* &ip1->src_address, */
+ /* 0)); */
+ /* adj1 = ip_get_adjacency (lm, adj_index1); */
+ /* } */
+
+ /* pass0 = 0; */
+ /* pass0 |= adj0 == 0; */
+ /* pass0 |= ip4_address_is_multicast (&ip0->src_address); */
+ /* pass0 |= */
+ /* ip0->src_address.as_u32 == clib_host_to_net_u32 (0xFFFFFFFF); */
+ /* pass0 |= (ip0->protocol != IP_PROTOCOL_UDP) */
+ /* && (ip0->protocol != IP_PROTOCOL_TCP); */
+
+ /* pass1 = 0; */
+ /* pass1 |= adj1 == 0; */
+ /* pass1 |= ip4_address_is_multicast (&ip1->src_address); */
+ /* pass1 |= */
+ /* ip1->src_address.as_u32 == clib_host_to_net_u32 (0xFFFFFFFF); */
+ /* pass1 |= (ip1->protocol != IP_PROTOCOL_UDP) */
+ /* && (ip1->protocol != IP_PROTOCOL_TCP); */
+
+ /* save_next0 = next0; */
+ /* udp0 = ip4_next_header (ip0); */
+ /* save_next1 = next1; */
+ /* udp1 = ip4_next_header (ip1); */
+
+ /* if (PREDICT_TRUE (pass0 == 0)) */
+ /* { */
+ /* good_packets++; */
+ /* next0 = check_adj_port_range_x1 */
+ /* (adj0, clib_net_to_host_u16 (udp0->dst_port), next0); */
+ /* good_packets -= (save_next0 != next0); */
+ /* b0->error = error_node->errors */
+ /* [IP4_SOURCE_AND_PORT_RANGE_CHECK_ERROR_CHECK_FAIL]; */
+ /* } */
+
+ /* if (PREDICT_TRUE (pass1 == 0)) */
+ /* { */
+ /* good_packets++; */
+ /* next1 = check_adj_port_range_x1 */
+ /* (adj1, clib_net_to_host_u16 (udp1->dst_port), next1); */
+ /* good_packets -= (save_next1 != next1); */
+ /* b1->error = error_node->errors */
+ /* [IP4_SOURCE_AND_PORT_RANGE_CHECK_ERROR_CHECK_FAIL]; */
+ /* } */
+
+ /* if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) */
+ /* && (b0->flags & VLIB_BUFFER_IS_TRACED))) */
+ /* { */
+ /* ip4_source_and_port_range_check_trace_t *t = */
+ /* vlib_add_trace (vm, node, b0, sizeof (*t)); */
+ /* t->pass = next0 == save_next0; */
+ /* t->bypass = pass0; */
+ /* t->fib_index = fib_index0; */
+ /* t->src_addr.as_u32 = ip0->src_address.as_u32; */
+ /* t->port = (pass0 == 0) ? */
+ /* clib_net_to_host_u16 (udp0->dst_port) : 0; */
+ /* t->is_tcp = ip0->protocol == IP_PROTOCOL_TCP; */
+ /* } */
+
+ /* if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) */
+ /* && (b1->flags & VLIB_BUFFER_IS_TRACED))) */
+ /* { */
+ /* ip4_source_and_port_range_check_trace_t *t = */
+ /* vlib_add_trace (vm, node, b1, sizeof (*t)); */
+ /* t->pass = next1 == save_next1; */
+ /* t->bypass = pass1; */
+ /* t->fib_index = fib_index1; */
+ /* t->src_addr.as_u32 = ip1->src_address.as_u32; */
+ /* t->port = (pass1 == 0) ? */
+ /* clib_net_to_host_u16 (udp1->dst_port) : 0; */
+ /* t->is_tcp = ip1->protocol == IP_PROTOCOL_TCP; */
+ /* } */
+
+ /* vlib_validate_buffer_enqueue_x2 (vm, node, next_index, */
+ /* to_next, n_left_to_next, */
+ /* bi0, bi1, next0, next1); */
+ /* } */
while (n_left_from > 0 && n_left_to_next > 0)
- {
- vlib_buffer_t * b0;
- ip4_header_t * ip0;
- ip4_fib_mtrie_t * mtrie0;
- ip4_fib_mtrie_leaf_t leaf0;
- ip4_source_and_port_range_check_config_t * c0;
- ip_adjacency_t * adj0;
- u32 bi0, next0, adj_index0, pass0, save_next0;
- udp_header_t * udp0;
-
- 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);
- ip0 = vlib_buffer_get_current (b0);
-
- c0 = vnet_get_config_data
- (&cm->config_main, &b0->current_config_index,
- &next0,
- sizeof (c0[0]));
-
- /* we can't use the default VRF here... */
- ASSERT(c0->fib_index);
-
- mtrie0 = &vec_elt_at_index (im->fibs, c0->fib_index)->mtrie;
-
- leaf0 = IP4_FIB_MTRIE_LEAF_ROOT;
-
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0,
- &ip0->src_address, 0);
-
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0,
- &ip0->src_address, 1);
-
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0,
- &ip0->src_address, 2);
-
- leaf0 = ip4_fib_mtrie_lookup_step (mtrie0, leaf0,
- &ip0->src_address, 3);
-
- adj_index0 = ip4_fib_mtrie_leaf_get_adj_index (leaf0);
-
- ASSERT (adj_index0 == ip4_fib_lookup_with_table
- (im, c0->fib_index,
- &ip0->src_address,
- 0 /* use default route */));
- adj0 = ip_get_adjacency (lm, adj_index0);
-
- /*
- * $$$ which (src,dst) categories should we always pass?
- */
- pass0 = 0;
- pass0 |= ip4_address_is_multicast (&ip0->src_address);
- pass0 |= ip0->src_address.as_u32 == clib_host_to_net_u32(0xFFFFFFFF);
- pass0 |= (ip0->protocol != IP_PROTOCOL_UDP) &&
- (ip0->protocol != IP_PROTOCOL_TCP);
-
- save_next0 = next0;
- udp0 = ip4_next_header (ip0);
-
- if (PREDICT_TRUE(pass0 == 0))
- {
- good_packets ++;
- next0 = check_adj_port_range_x1
- (adj0, clib_net_to_host_u16(udp0->dst_port), next0);
- good_packets -= (save_next0 != next0);
- b0->error = error_node->errors
- [IP4_SOURCE_AND_PORT_RANGE_CHECK_ERROR_CHECK_FAIL];
- }
-
- if (PREDICT_FALSE((node->flags & VLIB_NODE_FLAG_TRACE)
- && (b0->flags & VLIB_BUFFER_IS_TRACED))) {
- ip4_source_and_port_range_check_trace_t * t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->pass = next0 == save_next0;
- t->bypass = pass0;
- t->src_addr.as_u32 = ip0->src_address.as_u32;
- t->dst_port = (pass0 == 0) ?
- clib_net_to_host_u16(udp0->dst_port) : 0;
- t->is_tcp = ip0->protocol == IP_PROTOCOL_TCP;
- }
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
- }
+ {
+ vlib_buffer_t *b0;
+ ip4_header_t *ip0;
+ ip_source_and_port_range_check_config_t *c0;
+ u32 bi0, next0, lb_index0, pass0, save_next0, fib_index0;
+ udp_header_t *udp0;
+ const protocol_port_range_dpo_t *ppr_dpo0 = NULL;
+ const dpo_id_t *dpo;
+
+ 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);
+
+ fib_index0 =
+ vec_elt (im->fib_index_by_sw_if_index,
+ vnet_buffer (b0)->sw_if_index[VLIB_RX]);
+
+ if (is_tx)
+ vlib_buffer_advance (b0, sizeof (ethernet_header_t));
+
+ ip0 = vlib_buffer_get_current (b0);
+
+ if (is_tx)
+ {
+ c0 = vnet_get_config_data
+ (&tx_cm->config_main, &b0->current_config_index,
+ &next0, sizeof (c0[0]));
+ }
+ else
+ {
+ c0 = vnet_get_config_data
+ (&rx_cm->config_main, &b0->current_config_index,
+ &next0, sizeof (c0[0]));
+ }
+
+ /* we can't use the default VRF here... */
+ for (i = 0; i < IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS; i++)
+ {
+ ASSERT (c0->fib_index[i]);
+ }
+
+
+ if (is_tx)
+ {
+ if (ip0->protocol == IP_PROTOCOL_UDP)
+ fib_index0 =
+ c0->fib_index
+ [IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_IN];
+ if (ip0->protocol == IP_PROTOCOL_TCP)
+ fib_index0 =
+ c0->fib_index
+ [IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_IN];
+ }
+ else
+ {
+ if (ip0->protocol == IP_PROTOCOL_UDP)
+ fib_index0 =
+ c0->fib_index
+ [IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_OUT];
+ if (ip0->protocol == IP_PROTOCOL_TCP)
+ fib_index0 =
+ c0->fib_index
+ [IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_OUT];
+ }
+
+ if (fib_index0 != ~0)
+ {
+ lb_index0 = ip4_fib_forwarding_lookup (fib_index0,
+ &ip0->src_address);
+
+ dpo =
+ load_balance_get_bucket_i (load_balance_get (lb_index0), 0);
+
+ if (ppr_dpo_type == dpo->dpoi_type)
+ {
+ ppr_dpo0 = protocol_port_range_dpo_get (dpo->dpoi_index);
+ }
+ /*
+ * else the lookup hit an enty that was no inserted
+ * by this range checker, which is the default route
+ */
+ }
+ /*
+ * $$$ which (src,dst) categories should we always pass?
+ */
+ pass0 = 0;
+ pass0 |= ip4_address_is_multicast (&ip0->src_address);
+ pass0 |=
+ ip0->src_address.as_u32 == clib_host_to_net_u32 (0xFFFFFFFF);
+ pass0 |= (ip0->protocol != IP_PROTOCOL_UDP)
+ && (ip0->protocol != IP_PROTOCOL_TCP);
+
+ save_next0 = next0;
+ udp0 = ip4_next_header (ip0);
+
+ if (PREDICT_TRUE (pass0 == 0))
+ {
+ good_packets++;
+ next0 = check_adj_port_range_x1
+ (ppr_dpo0, clib_net_to_host_u16 (udp0->dst_port), next0);
+ good_packets -= (save_next0 != next0);
+ b0->error = error_node->errors
+ [IP4_SOURCE_AND_PORT_RANGE_CHECK_ERROR_CHECK_FAIL];
+ }
+
+ if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
+ && (b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ ip4_source_and_port_range_check_trace_t *t =
+ vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->pass = next0 == save_next0;
+ t->bypass = pass0;
+ t->fib_index = fib_index0;
+ t->src_addr.as_u32 = ip0->src_address.as_u32;
+ t->port = (pass0 == 0) ?
+ clib_net_to_host_u16 (udp0->dst_port) : 0;
+ t->is_tcp = ip0->protocol == IP_PROTOCOL_TCP;
+ }
+
+ if (is_tx)
+ vlib_buffer_advance (b0, -sizeof (ethernet_header_t));
+
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, next0);
+ }
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
- vlib_node_increment_counter (vm, ip4_source_port_and_range_check.index,
- IP4_SOURCE_AND_PORT_RANGE_CHECK_ERROR_CHECK_OK,
- good_packets);
+ if (is_tx)
+ vlib_node_increment_counter (vm, ip4_source_port_and_range_check_tx.index,
+ IP4_SOURCE_AND_PORT_RANGE_CHECK_ERROR_CHECK_OK,
+ good_packets);
+ else
+ vlib_node_increment_counter (vm, ip4_source_port_and_range_check_rx.index,
+ IP4_SOURCE_AND_PORT_RANGE_CHECK_ERROR_CHECK_OK,
+ good_packets);
return frame->n_vectors;
+ return 0;
}
static uword
-ip4_source_and_port_range_check (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
+ip4_source_and_port_range_check_rx (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
{
- return ip4_source_and_port_range_check_inline (vm, node, frame);
+ return ip4_source_and_port_range_check_inline (vm, node, frame,
+ 0 /* !is_tx */ );
}
-VLIB_REGISTER_NODE (ip4_source_port_and_range_check) = {
- .function = ip4_source_and_port_range_check,
- .name = "ip4-source-and-port-range-check",
+static uword
+ip4_source_and_port_range_check_tx (vlib_main_t * vm,
+ vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return ip4_source_and_port_range_check_inline (vm, node, frame,
+ 1 /* is_tx */ );
+}
+
+/* Note: Calling same function for both RX and TX nodes
+ as always checking dst_port, although
+ if this changes can easily make new function
+*/
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (ip4_source_port_and_range_check_rx) = {
+ .function = ip4_source_and_port_range_check_rx,
+ .name = "ip4-source-and-port-range-check-rx",
.vector_size = sizeof (u32),
.n_errors = ARRAY_LEN(ip4_source_and_port_range_check_error_strings),
.format_buffer = format_ip4_header,
.format_trace = format_ip4_source_and_port_range_check_trace,
};
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (ip4_source_port_and_range_check_tx) = {
+ .function = ip4_source_and_port_range_check_tx,
+ .name = "ip4-source-and-port-range-check-tx",
+ .vector_size = sizeof (u32),
+
+ .n_errors = ARRAY_LEN(ip4_source_and_port_range_check_error_strings),
+ .error_strings = ip4_source_and_port_range_check_error_strings,
-int set_ip_source_and_port_range_check (vlib_main_t * vm,
- u32 fib_index,
- u32 sw_if_index,
- u32 is_add)
+ .n_next_nodes = IP4_SOURCE_AND_PORT_RANGE_CHECK_N_NEXT,
+ .next_nodes = {
+ [IP4_SOURCE_AND_PORT_RANGE_CHECK_NEXT_DROP] = "error-drop",
+ },
+
+ .format_buffer = format_ip4_header,
+ .format_trace = format_ip4_source_and_port_range_check_trace,
+};
+/* *INDENT-ON* */
+
+int
+set_ip_source_and_port_range_check (vlib_main_t * vm,
+ u32 * fib_index,
+ u32 sw_if_index, u32 is_add)
{
- ip4_main_t * im = &ip4_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- ip_config_main_t * rx_cm = &lm->rx_config_mains[VNET_UNICAST];
+ ip4_main_t *im = &ip4_main;
+ ip_lookup_main_t *lm = &im->lookup_main;
+ ip_config_main_t *rx_cm =
+ &lm->feature_config_mains[VNET_IP_RX_UNICAST_FEAT];
+ ip_config_main_t *tx_cm = &lm->feature_config_mains[VNET_IP_TX_FEAT];
u32 ci;
- ip4_source_and_port_range_check_config_t config;
+ ip_source_and_port_range_check_config_t config;
u32 feature_index;
int rv = 0;
- u8 is_del = !is_add;
+ int i;
+
+ for (i = 0; i < IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS; i++)
+ {
+ config.fib_index[i] = fib_index[i];
+ }
- config.fib_index = fib_index;
- feature_index = im->ip4_unicast_rx_feature_source_and_port_range_check;
+ /* For OUT we are in the RX path */
+ if ((fib_index[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_OUT] != ~0) ||
+ (fib_index[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_OUT] != ~0))
+ {
+ feature_index = im->ip4_unicast_rx_feature_source_and_port_range_check;
- vec_validate (rx_cm->config_index_by_sw_if_index, sw_if_index);
+ vec_validate (rx_cm->config_index_by_sw_if_index, sw_if_index);
- ci = rx_cm->config_index_by_sw_if_index[sw_if_index];
- ci = (is_del
- ? vnet_config_del_feature
- : vnet_config_add_feature)
- (vm, &rx_cm->config_main,
- ci,
- feature_index,
- &config,
- sizeof (config));
- rx_cm->config_index_by_sw_if_index[sw_if_index] = ci;
+ ci = rx_cm->config_index_by_sw_if_index[sw_if_index];
+ ci = (is_add
+ ? vnet_config_add_feature
+ : vnet_config_del_feature)
+ (vm, &rx_cm->config_main, ci, feature_index, &config,
+ sizeof (config));
+ rx_cm->config_index_by_sw_if_index[sw_if_index] = ci;
+ }
+ /* For IN we are in the TX path */
+ if ((fib_index[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_IN] != ~0) ||
+ (fib_index[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_IN] != ~0))
+ {
+ feature_index = im->ip4_unicast_tx_feature_source_and_port_range_check;
+
+ vec_validate (tx_cm->config_index_by_sw_if_index, sw_if_index);
+
+ ci = tx_cm->config_index_by_sw_if_index[sw_if_index];
+ ci = (is_add
+ ? vnet_config_add_feature
+ : vnet_config_del_feature)
+ (vm, &tx_cm->config_main, ci, feature_index, &config,
+ sizeof (config));
+ tx_cm->config_index_by_sw_if_index[sw_if_index] = ci;
+
+ vnet_config_update_tx_feature_count (lm, tx_cm, sw_if_index, is_add);
+ }
return rv;
}
static clib_error_t *
set_ip_source_and_port_range_check_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- vnet_main_t * vnm = vnet_get_main();
- ip4_main_t * im = &ip4_main;
- clib_error_t * error = 0;
- u32 is_add = 1;
+ vnet_main_t *vnm = vnet_get_main ();
+ ip4_main_t *im = &ip4_main;
+ clib_error_t *error = 0;
+ u8 is_add = 1;
u32 sw_if_index = ~0;
- u32 vrf_id = ~0;
- u32 fib_index;
- uword * p;
+ u32 vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS];
+ u32 fib_index[IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS];
+ int vrf_set = 0;
+ uword *p;
int rv = 0;
+ int i;
sw_if_index = ~0;
+ for (i = 0; i < IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS; i++)
+ {
+ fib_index[i] = ~0;
+ vrf_id[i] = ~0;
+ }
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "%U", unformat_vnet_sw_interface, vnm,
- &sw_if_index))
- ;
- else if (unformat (input, "vrf %d", &vrf_id))
+ &sw_if_index))
;
+ else
+ if (unformat
+ (input, "tcp-out-vrf %d",
+ &vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_OUT]))
+ vrf_set = 1;
+ else
+ if (unformat
+ (input, "udp-out-vrf %d",
+ &vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_OUT]))
+ vrf_set = 1;
+ else
+ if (unformat
+ (input, "tcp-in-vrf %d",
+ &vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_TCP_IN]))
+ vrf_set = 1;
+ else
+ if (unformat
+ (input, "udp-in-vrf %d",
+ &vrf_id[IP_SOURCE_AND_PORT_RANGE_CHECK_PROTOCOL_UDP_IN]))
+ vrf_set = 1;
else if (unformat (input, "del"))
is_add = 0;
else
if (sw_if_index == ~0)
return clib_error_return (0, "Interface required but not specified");
- if (vrf_id == ~0)
- return clib_error_return (0, "VRF ID required but not specified");
+ if (!vrf_set)
+ return clib_error_return (0,
+ "TCP or UDP VRF ID required but not specified");
- if (vrf_id == 0)
- return clib_error_return (0, "VRF ID should not be default. Should be distinct VRF for this purpose. ");
+ for (i = 0; i < IP_SOURCE_AND_PORT_RANGE_CHECK_N_PROTOCOLS; i++)
+ {
+
+ if (vrf_id[i] == 0)
+ return clib_error_return (0,
+ "TCP, UDP VRF ID should not be 0 (default). Should be distinct VRF for this purpose. ");
- p = hash_get (im->fib_index_by_table_id, vrf_id);
+ if (vrf_id[i] != ~0)
+ {
+ p = hash_get (im->fib_index_by_table_id, vrf_id[i]);
- if (p == 0)
- return clib_error_return (0, "Invalid VRF ID %d", vrf_id);
+ if (p == 0)
+ return clib_error_return (0, "Invalid VRF ID %d", vrf_id[i]);
- fib_index = p[0];
- rv = set_ip_source_and_port_range_check (vm, fib_index, sw_if_index, is_add);
+ fib_index[i] = p[0];
+ }
+ }
+ rv =
+ set_ip_source_and_port_range_check (vm, fib_index, sw_if_index, is_add);
- switch(rv)
+ switch (rv)
{
case 0:
break;
default:
return clib_error_return
- (0, "set source and port-range on interface returned an unexpected value: %d", rv);
+ (0,
+ "set source and port-range on interface returned an unexpected value: %d",
+ rv);
}
return error;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (set_interface_ip_source_and_port_range_check_command,
static) = {
.path = "set interface ip source-and-port-range-check",
.function = set_ip_source_and_port_range_check_fn,
- .short_help = "set int ip source-and-port-range-check <intfc> vrf <n> [del]",
+ .short_help = "set int ip source-and-port-range-check <intfc> [tcp-out-vrf <n>] [udp-out-vrf <n>] [tcp-in-vrf <n>] [udp-in-vrf <n>] [del]",
};
+/* *INDENT-ON* */
-static u8 * format_source_and_port_rc_adjacency (u8 * s, va_list * args)
+static u8 *
+format_ppr_dpo (u8 * s, va_list * args)
{
- CLIB_UNUSED (vnet_main_t * vnm) = va_arg (*args, vnet_main_t *);
- ip_lookup_main_t * lm = va_arg (*args, ip_lookup_main_t *);
- u32 adj_index = va_arg (*args, u32);
- ip_adjacency_t * adj = ip_get_adjacency (lm, adj_index);
- source_range_check_main_t * srm = &source_range_check_main;
- u8 * rwh = (u8 *) (&adj->rewrite_header);
- port_range_t * range;
+ index_t index = va_arg (args, index_t);
+ CLIB_UNUSED (u32 indent) = va_arg (args, u32);
+
+ protocol_port_range_dpo_t *ppr_dpo;
int i, j;
int printed = 0;
- range = (port_range_t *) rwh;
+ ppr_dpo = protocol_port_range_dpo_get (index);
s = format (s, "allow ");
- for (i = 0; i < srm->ranges_per_adjacency; i++)
+ for (i = 0; i < ppr_dpo->n_used_blocks; i++)
{
for (j = 0; j < 8; j++)
- {
- if (range->low.as_u16[j])
- {
- if (printed)
- s = format (s, ", ");
- if (range->hi.as_u16[j] > (range->low.as_u16[j] + 1))
- s = format (s, "%d-%d", (u32) range->low.as_u16[j],
- (u32) range->hi.as_u16[j] - 1);
- else
- s = format (s, "%d", range->low.as_u16[j]);
- printed = 1;
- }
- }
- range++;
+ {
+ if (ppr_dpo->blocks[i].low.as_u16[j])
+ {
+ if (printed)
+ s = format (s, ", ");
+ if (ppr_dpo->blocks[i].hi.as_u16[j] >
+ (ppr_dpo->blocks[i].low.as_u16[j] + 1))
+ s =
+ format (s, "%d-%d", (u32) ppr_dpo->blocks[i].low.as_u16[j],
+ (u32) ppr_dpo->blocks[i].hi.as_u16[j] - 1);
+ else
+ s = format (s, "%d", ppr_dpo->blocks[i].low.as_u16[j]);
+ printed = 1;
+ }
+ }
}
return s;
}
-clib_error_t * ip4_source_and_port_range_check_init (vlib_main_t * vm)
+static void
+ppr_dpo_lock (dpo_id_t * dpo)
+{
+}
+
+static void
+ppr_dpo_unlock (dpo_id_t * dpo)
+{
+}
+
+const static dpo_vft_t ppr_vft = {
+ .dv_lock = ppr_dpo_lock,
+ .dv_unlock = ppr_dpo_unlock,
+ .dv_format = format_ppr_dpo,
+};
+
+const static char *const ppr_ip4_nodes[] = {
+ "ip4-source-and-port-range-check-rx",
+ NULL,
+};
+
+const static char *const *const ppr_nodes[DPO_PROTO_NUM] = {
+ [DPO_PROTO_IP4] = ppr_ip4_nodes,
+};
+
+clib_error_t *
+ip4_source_and_port_range_check_init (vlib_main_t * vm)
{
- source_range_check_main_t * srm = &source_range_check_main;
- ip4_main_t * im = &ip4_main;
- ip_lookup_main_t * lm = &im->lookup_main;
+ source_range_check_main_t *srm = &source_range_check_main;
srm->vlib_main = vm;
- srm->vnet_main = vnet_get_main();
+ srm->vnet_main = vnet_get_main ();
- srm->ranges_per_adjacency = VLIB_BUFFER_PRE_DATA_SIZE / (2*sizeof(u16x8));
- srm->special_adjacency_format_function_index =
- vnet_register_special_adjacency_format_function
- (lm, format_source_and_port_rc_adjacency);
- ASSERT (srm->special_adjacency_format_function_index);
+ ppr_dpo_type = dpo_register_new_type (&ppr_vft, ppr_nodes);
return 0;
}
VLIB_INIT_FUNCTION (ip4_source_and_port_range_check_init);
+protocol_port_range_dpo_t *
+protocol_port_range_dpo_alloc (void)
+{
+ protocol_port_range_dpo_t *ppr_dpo;
-int ip4_source_and_port_range_check_add_del
-(ip4_address_t * address, u32 length, u32 vrf_id, u16 * low_ports,
- u16 * hi_ports, int is_add)
+ pool_get_aligned (ppr_dpo_pool, ppr_dpo, CLIB_CACHE_LINE_BYTES);
+ memset (ppr_dpo, 0, sizeof (*ppr_dpo));
+
+ ppr_dpo->n_free_ranges = N_PORT_RANGES_PER_DPO;
+
+ return (ppr_dpo);
+}
+
+
+static int
+add_port_range_adjacency (u32 fib_index,
+ ip4_address_t * address,
+ u32 length, u16 * low_ports, u16 * high_ports)
{
- source_range_check_main_t * srm = &source_range_check_main;
- ip4_main_t * im = &ip4_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- uword * p;
- u32 fib_index;
- u32 adj_index;
- ip_adjacency_t * adj;
+ protocol_port_range_dpo_t *ppr_dpo;
+ dpo_id_t dpop = DPO_NULL;
int i, j, k;
- port_range_t * range;
- u8 *rwh;
- p = hash_get (im->fib_index_by_table_id, vrf_id);
- if (!p)
+ fib_node_index_t fei;
+ fib_prefix_t pfx = {
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_len = length,
+ .fp_addr = {
+ .ip4 = *address,
+ },
+ };
+
+ /*
+ * check to see if we have already sourced this prefix
+ */
+ fei = fib_table_lookup_exact_match (fib_index, &pfx);
+
+ if (FIB_NODE_INDEX_INVALID == fei)
{
- ip4_fib_t * f;
- f = find_ip4_fib_by_table_index_or_id (im, vrf_id, 0 /* flags */);
- fib_index = f->index;
+ /*
+ * this is a first time add for this prefix.
+ */
+ ppr_dpo = protocol_port_range_dpo_alloc ();
}
else
- fib_index = p[0];
+ {
+ /*
+ * the prefix is already there.
+ * check it was sourced by us, and if so get the ragne DPO from it.
+ */
+ dpo_id_t dpo = DPO_NULL;
+ const dpo_id_t *bucket;
+
+ if (fib_entry_get_dpo_for_source (fei, FIB_SOURCE_SPECIAL, &dpo))
+ {
+ /*
+ * there is existing state. we'll want to add the new ranges to it
+ */
+ bucket =
+ load_balance_get_bucket_i (load_balance_get (dpo.dpoi_index), 0);
+ ppr_dpo = protocol_port_range_dpo_get (bucket->dpoi_index);
+ dpo_reset (&dpo);
+ }
+ else
+ {
+ /*
+ * there is no PPR state associated with this prefix,
+ * so we'll need a new DPO
+ */
+ ppr_dpo = protocol_port_range_dpo_alloc ();
+ }
+ }
- adj_index = ip4_fib_lookup_with_table
- (im, fib_index, address, 0 /* disable_default_route */);
+ if (vec_len (low_ports) > ppr_dpo->n_free_ranges)
+ return VNET_API_ERROR_EXCEEDED_NUMBER_OF_RANGES_CAPACITY;
- if (is_add == 0)
+ j = k = 0;
+
+ for (i = 0; i < vec_len (low_ports); i++)
+ {
+ for (; j < N_BLOCKS_PER_DPO; j++)
+ {
+ for (; k < 8; k++)
+ {
+ if (ppr_dpo->blocks[j].low.as_u16[k] == 0)
+ {
+ ppr_dpo->blocks[j].low.as_u16[k] = low_ports[i];
+ ppr_dpo->blocks[j].hi.as_u16[k] = high_ports[i];
+ goto doublebreak;
+ }
+ }
+ }
+ doublebreak:;
+ }
+ ppr_dpo->n_used_blocks = j + 1;
+
+ /*
+ * add or update the entry in the FIB
+ */
+ dpo_set (&dpop, ppr_dpo_type, DPO_PROTO_IP4, (ppr_dpo - ppr_dpo_pool));
+
+ if (FIB_NODE_INDEX_INVALID == fei)
+ {
+ fib_table_entry_special_dpo_add (fib_index,
+ &pfx,
+ FIB_SOURCE_SPECIAL,
+ FIB_ENTRY_FLAG_NONE, &dpop);
+ }
+ else
+ {
+ fib_table_entry_special_dpo_update (fei,
+ FIB_SOURCE_SPECIAL,
+ FIB_ENTRY_FLAG_NONE, &dpop);
+ }
+
+ return 0;
+}
+
+static int
+remove_port_range_adjacency (u32 fib_index,
+ ip4_address_t * address,
+ u32 length, u16 * low_ports, u16 * high_ports)
+{
+ protocol_port_range_dpo_t *ppr_dpo;
+ fib_node_index_t fei;
+ int i, j, k;
+
+ fib_prefix_t pfx = {
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_len = length,
+ .fp_addr = {
+ .ip4 = *address,
+ },
+ };
+
+ /*
+ * check to see if we have sourced this prefix
+ */
+ fei = fib_table_lookup_exact_match (fib_index, &pfx);
+
+ if (FIB_NODE_INDEX_INVALID == fei)
+ {
+ /*
+ * not one of ours
+ */
+ return VNET_API_ERROR_INCORRECT_ADJACENCY_TYPE;
+ }
+ else
+ {
+ /*
+ * the prefix is already there.
+ * check it was sourced by us
+ */
+ dpo_id_t dpo = DPO_NULL;
+ const dpo_id_t *bucket;
+
+ if (fib_entry_get_dpo_for_source (fei, FIB_SOURCE_SPECIAL, &dpo))
+ {
+ /*
+ * there is existing state. we'll want to add the new ranges to it
+ */
+ bucket =
+ load_balance_get_bucket_i (load_balance_get (dpo.dpoi_index), 0);
+ ppr_dpo = protocol_port_range_dpo_get (bucket->dpoi_index);
+ dpo_reset (&dpo);
+ }
+ else
+ {
+ /*
+ * not one of ours
+ */
+ return VNET_API_ERROR_INCORRECT_ADJACENCY_TYPE;
+ }
+ }
+
+ for (i = 0; i < vec_len (low_ports); i++)
+ {
+ for (j = 0; j < N_BLOCKS_PER_DPO; j++)
+ {
+ for (k = 0; k < 8; k++)
+ {
+ if (low_ports[i] == ppr_dpo->blocks[j].low.as_u16[k] &&
+ high_ports[i] == ppr_dpo->blocks[j].hi.as_u16[k])
+ {
+ ppr_dpo->blocks[j].low.as_u16[k] =
+ ppr_dpo->blocks[j].hi.as_u16[k] = 0;
+ goto doublebreak;
+ }
+ }
+ }
+ doublebreak:;
+ }
+
+ ppr_dpo->n_free_ranges = 0;
+
+ /* Have we deleted all ranges yet? */
+ for (i = 0; i < N_BLOCKS_PER_DPO; i++)
+ {
+ for (j = 0; j < 8; j++)
+ {
+ if (ppr_dpo->blocks[j].low.as_u16[i] == 0)
+ ppr_dpo->n_free_ranges++;
+ }
+ }
+
+ if (N_PORT_RANGES_PER_DPO == ppr_dpo->n_free_ranges)
{
- adj = ip_get_adjacency (lm, adj_index);
- if (adj->lookup_next_index != IP_LOOKUP_NEXT_ICMP_ERROR)
- return VNET_API_ERROR_INCORRECT_ADJACENCY_TYPE;
-
- rwh = (u8 *)(&adj->rewrite_header);
-
- for (i = 0; i < vec_len (low_ports); i++)
- {
- range = (port_range_t *) rwh;
- for (j = 0; j < srm->ranges_per_adjacency; j++)
- {
- for (k = 0; k < 8; k++)
- {
- if (low_ports[i] == range->low.as_u16[k] &&
- hi_ports[i] == range->hi.as_u16[k])
- {
- range->low.as_u16[k] = range->hi.as_u16[k] = 0;
- goto doublebreak;
- }
- }
- range++;
- }
- doublebreak: ;
- }
-
- range = (port_range_t *) rwh;
- /* Have we deleted all ranges yet? */
- for (i = 0; i < srm->ranges_per_adjacency; i++)
- {
- for (j = 0; j < 8; j++)
- {
- if (range->low.as_u16[i] != 0)
- goto still_occupied;
- }
- range++;
- }
/* Yes, lose the adjacency... */
- {
- ip4_add_del_route_args_t a;
-
- memset (&a, 0, sizeof(a));
- a.flags = IP4_ROUTE_FLAG_FIB_INDEX | IP4_ROUTE_FLAG_DEL;
- a.table_index_or_table_id = fib_index;
- a.dst_address = address[0];
- a.dst_address_length = length;
- a.adj_index = adj_index;
- ip4_add_del_route (im, &a);
- }
-
- still_occupied:
- ;
+ fib_table_entry_special_remove (fib_index, &pfx, FIB_SOURCE_SPECIAL);
}
else
{
- adj = ip_get_adjacency (lm, adj_index);
- /* $$$$ fixme: add ports if address + mask match */
- if (adj->lookup_next_index == IP_LOOKUP_NEXT_ICMP_ERROR)
- return VNET_API_ERROR_INCORRECT_ADJACENCY_TYPE;
-
- {
- ip_adjacency_t template_adj;
- ip4_add_del_route_args_t a;
-
- memset (&template_adj, 0, sizeof (template_adj));
-
- template_adj.lookup_next_index = IP_LOOKUP_NEXT_ICMP_ERROR;
- template_adj.if_address_index = ~0;
- template_adj.special_adjacency_format_function_index =
- srm->special_adjacency_format_function_index;
-
- rwh = (u8 *) (&template_adj.rewrite_header);
-
- range = (port_range_t *) rwh;
-
- if (vec_len (low_ports) > 8 * srm->ranges_per_adjacency)
- return VNET_API_ERROR_EXCEEDED_NUMBER_OF_RANGES_CAPACITY;
-
- j = k = 0;
-
- for (i = 0; i < vec_len (low_ports); i++)
- {
- for (; j < srm->ranges_per_adjacency; j++)
- {
- for (; k < 8; k++)
- {
- if (range->low.as_u16[k] == 0)
- {
- range->low.as_u16[k] = low_ports[i];
- range->hi.as_u16[k] = hi_ports[i];
- k++;
- if (k == 7)
- {
- k = 0;
- j++;
- }
- goto doublebreak2;
- }
- }
- k = 0;
- range++;
- }
- j = 0;
- /* Too many ports specified... */
- return VNET_API_ERROR_EXCEEDED_NUMBER_OF_PORTS_CAPACITY;
-
- doublebreak2: ;
- }
-
- memset (&a, 0, sizeof(a));
- a.flags = IP4_ROUTE_FLAG_FIB_INDEX;
- a.table_index_or_table_id = fib_index;
- a.dst_address = address[0];
- a.dst_address_length = length;
- a.add_adj = &template_adj;
- a.n_add_adj = 1;
-
- ip4_add_del_route (im, &a);
- }
+ /*
+ * compact the ranges down to a contiguous block
+ */
+ // FIXME. TODO.
+ }
+
+ return 0;
+}
+
+// This will be moved to another file and implemented post API freeze.
+int
+ip6_source_and_port_range_check_add_del (ip6_address_t * address,
+ u32 length,
+ u32 vrf_id,
+ u16 * low_ports,
+ u16 * high_ports, int is_add)
+{
+ return 0;
+}
+
+int
+ip4_source_and_port_range_check_add_del (ip4_address_t * address,
+ u32 length,
+ u32 vrf_id,
+ u16 * low_ports,
+ u16 * high_ports, int is_add)
+{
+ u32 fib_index;
+
+ fib_index = fib_table_find_or_create_and_lock (FIB_PROTOCOL_IP4, vrf_id);
+
+ if (is_add == 0)
+ {
+ remove_port_range_adjacency (fib_index, address, length,
+ low_ports, high_ports);
+ }
+ else
+ {
+ add_port_range_adjacency (fib_index, address, length,
+ low_ports, high_ports);
}
return 0;
static clib_error_t *
ip_source_and_port_range_check_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- u16 * low_ports = 0;
- u16 * high_ports = 0;
+ u16 *low_ports = 0;
+ u16 *high_ports = 0;
u16 this_low;
u16 this_hi;
- ip4_address_t addr;
+ ip4_address_t ip4_addr;
+ ip6_address_t ip6_addr; //This function will be moved to generic impl when v6 done.
u32 length;
u32 tmp, tmp2;
- u8 prefix_set = 0;
u32 vrf_id = ~0;
- int is_add = 1;
+ int is_add = 1, ip_ver = ~0;
int rv;
+
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "%U/%d", unformat_ip4_address, &addr, &length))
- prefix_set = 1;
+ if (unformat (input, "%U/%d", unformat_ip4_address, &ip4_addr, &length))
+ ip_ver = 4;
+ else
+ if (unformat
+ (input, "%U/%d", unformat_ip6_address, &ip6_addr, &length))
+ ip_ver = 6;
else if (unformat (input, "vrf %d", &vrf_id))
- ;
+ ;
else if (unformat (input, "del"))
- is_add = 0;
+ is_add = 0;
else if (unformat (input, "port %d", &tmp))
- {
- if (tmp == 0 || tmp > 65535)
- return clib_error_return (0, "port %d out of range", tmp);
- this_low = tmp;
- this_hi = this_low + 1;
- vec_add1 (low_ports, this_low);
- vec_add1 (high_ports, this_hi);
- }
+ {
+ if (tmp == 0 || tmp > 65535)
+ return clib_error_return (0, "port %d out of range", tmp);
+ this_low = tmp;
+ this_hi = this_low + 1;
+ vec_add1 (low_ports, this_low);
+ vec_add1 (high_ports, this_hi);
+ }
else if (unformat (input, "range %d - %d", &tmp, &tmp2))
- {
- if (tmp > tmp2)
- return clib_error_return (0, "ports %d and %d out of order",
- tmp, tmp2);
- if (tmp == 0 || tmp > 65535)
- return clib_error_return (0, "low port %d out of range", tmp);
- if (tmp2 == 0 || tmp2 > 65535)
- return clib_error_return (0, "hi port %d out of range", tmp2);
- this_low = tmp;
- this_hi = tmp2+1;
- vec_add1 (low_ports, this_low);
- vec_add1 (high_ports, this_hi);
- }
+ {
+ if (tmp > tmp2)
+ return clib_error_return (0, "ports %d and %d out of order",
+ tmp, tmp2);
+ if (tmp == 0 || tmp > 65535)
+ return clib_error_return (0, "low port %d out of range", tmp);
+ if (tmp2 == 0 || tmp2 > 65535)
+ return clib_error_return (0, "high port %d out of range", tmp2);
+ this_low = tmp;
+ this_hi = tmp2 + 1;
+ vec_add1 (low_ports, this_low);
+ vec_add1 (high_ports, this_hi);
+ }
else
- break;
+ break;
}
- if (prefix_set == 0)
- return clib_error_return (0, "<address>/<mask> not specified");
+ if (ip_ver == ~0)
+ return clib_error_return (0, " <address>/<mask> not specified");
if (vrf_id == ~0)
- return clib_error_return (0, "VRF ID required, not specified");
+ return clib_error_return (0, " VRF ID required, not specified");
+
+ if (vec_len (low_ports) == 0)
+ return clib_error_return (0,
+ " Both VRF ID and range/port must be set for a protocol.");
if (vrf_id == 0)
- return clib_error_return (0, "VRF ID should not be default. Should be distinct VRF for this purpose. ");
+ return clib_error_return (0, " VRF ID can not be 0 (default).");
- if (vec_len(low_ports) == 0)
- return clib_error_return (0, "At least one port or port range required");
- rv = ip4_source_and_port_range_check_add_del
- (&addr, length, vrf_id, low_ports, high_ports, is_add);
+ if (ip_ver == 4)
+ rv = ip4_source_and_port_range_check_add_del
+ (&ip4_addr, length, vrf_id, low_ports, high_ports, is_add);
+ else
+ return clib_error_return (0, " IPv6 in subsequent patch");
- switch(rv)
+ switch (rv)
{
case 0:
break;
case VNET_API_ERROR_INCORRECT_ADJACENCY_TYPE:
return clib_error_return
- (0, "Incorrect adjacency for add/del operation in ip4 source and port-range check.");
+ (0, " Incorrect adjacency for add/del operation");
case VNET_API_ERROR_EXCEEDED_NUMBER_OF_PORTS_CAPACITY:
- return clib_error_return
- (0, "Too many ports in add/del operation in ip4 source and port-range check.");
+ return clib_error_return (0, " Too many ports in add/del operation");
case VNET_API_ERROR_EXCEEDED_NUMBER_OF_RANGES_CAPACITY:
return clib_error_return
- (0, "Too many ranges requested for add operation in ip4 source and port-range check.");
+ (0, " Too many ranges requested for add operation");
default:
- return clib_error_return
- (0, "ip4_source_and_port_range_check_add returned an unexpected value: %d", rv);
+ return clib_error_return (0, " returned an unexpected value: %d", rv);
}
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (ip_source_and_port_range_check_command, static) = {
.path = "set ip source-and-port-range-check",
.function = ip_source_and_port_range_check_command_fn,
.short_help =
- "set ip source-and-port-range-check <ip-addr>/<mask> range <nn>-<nn> vrf <id>",
+ "set ip source-and-port-range-check <ip-addr>/<mask> [range <nn> - <nn>] [vrf <id>] [del]",
};
+/* *INDENT-ON* */
static clib_error_t *
show_source_and_port_range_check_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- source_range_check_main_t * srm = & source_range_check_main;
- ip4_main_t * im = &ip4_main;
- ip_lookup_main_t * lm = &im->lookup_main;
- port_range_t * range;
+ protocol_port_range_dpo_t *ppr_dpo;
u32 fib_index;
- ip4_address_t addr;
u8 addr_set = 0;
u32 vrf_id = ~0;
int rv, i, j;
- u32 adj_index;
- ip_adjacency_t *adj;
u32 port = 0;
- u8 * rwh;
- uword * p;
+ fib_prefix_t pfx = {
+ .fp_proto = FIB_PROTOCOL_IP4,
+ .fp_len = 32,
+ };
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "%U", unformat_ip4_address, &addr))
- addr_set = 1;
+ if (unformat (input, "%U", unformat_ip4_address, &pfx.fp_addr.ip4))
+ addr_set = 1;
else if (unformat (input, "vrf %d", &vrf_id))
- ;
+ ;
else if (unformat (input, "port %d", &port))
- ;
+ ;
else
- break;
+ break;
}
if (addr_set == 0)
if (vrf_id == ~0)
return clib_error_return (0, "VRF ID required, not specified");
- p = hash_get (im->fib_index_by_table_id, vrf_id);
- if (p == 0)
+ fib_index = fib_table_find (FIB_PROTOCOL_IP4, vrf_id);
+ if (~0 == fib_index)
return clib_error_return (0, "VRF %d not found", vrf_id);
- fib_index = p[0];
-
- adj_index = ip4_fib_lookup_with_table
- (im, fib_index, &addr, 0 /* disable_default_route */);
- adj = ip_get_adjacency (lm, adj_index);
+ /*
+ * find the longest prefix match on the address requested,
+ * check it was sourced by us
+ */
+ dpo_id_t dpo = DPO_NULL;
+ const dpo_id_t *bucket;
- if (adj->lookup_next_index != IP_LOOKUP_NEXT_ICMP_ERROR)
+ if (!fib_entry_get_dpo_for_source (fib_table_lookup (fib_index, &pfx),
+ FIB_SOURCE_SPECIAL, &dpo))
{
- vlib_cli_output (vm, "%U: src address drop", format_ip4_address, &addr);
+ /*
+ * not one of ours
+ */
+ vlib_cli_output (vm, "%U: src address drop", format_ip4_address,
+ &pfx.fp_addr.ip4);
return 0;
}
+ bucket = load_balance_get_bucket_i (load_balance_get (dpo.dpoi_index), 0);
+ ppr_dpo = protocol_port_range_dpo_get (bucket->dpoi_index);
+ dpo_reset (&dpo);
+
if (port)
{
- rv = check_adj_port_range_x1 (adj, (u16) port, 1234);
+ rv = check_adj_port_range_x1 (ppr_dpo, (u16) port, 1234);
if (rv == 1234)
- vlib_cli_output (vm, "%U port %d PASS", format_ip4_address,
- &addr, port);
+ vlib_cli_output (vm, "%U port %d PASS", format_ip4_address,
+ &pfx.fp_addr.ip4, port);
else
- vlib_cli_output (vm, "%U port %d FAIL", format_ip4_address,
- &addr, port);
+ vlib_cli_output (vm, "%U port %d FAIL", format_ip4_address,
+ &pfx.fp_addr.ip4, port);
return 0;
}
else
{
- u8 * s;
- rwh = (u8 *) (&adj->rewrite_header);
-
- s = format (0, "%U: ", format_ip4_address, &addr);
-
- range = (port_range_t *) rwh;
-
- for (i = 0; i < srm->ranges_per_adjacency; i++)
- {
- for (j = 0; j < 8; j++)
- {
- if (range->low.as_u16[j])
- s = format (s, "%d - %d ", (u32) range->low.as_u16[j],
- (u32) range->hi.as_u16[j]);
- }
- range++;
- }
+ u8 *s;
+
+ s = format (0, "%U: ", format_ip4_address, &pfx.fp_addr.ip4);
+
+ for (i = 0; i < N_BLOCKS_PER_DPO; i++)
+ {
+ for (j = 0; j < 8; j++)
+ {
+ if (ppr_dpo->blocks[i].low.as_u16[j])
+ s = format (s, "%d - %d ",
+ (u32) ppr_dpo->blocks[i].low.as_u16[j],
+ (u32) ppr_dpo->blocks[i].hi.as_u16[j]);
+ }
+ }
vlib_cli_output (vm, "%s", s);
- vec_free(s);
+ vec_free (s);
}
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_source_and_port_range_check, static) = {
.path = "show ip source-and-port-range-check",
.function = show_source_and_port_range_check_fn,
.short_help =
"show ip source-and-port-range-check vrf <nn> <ip-addr> <port>",
};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */