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-rw-r--r--src/vnet/dhcp/client.c2
-rw-r--r--src/vnet/dhcp/client.h2
-rw-r--r--src/vnet/dhcp/dhcp4_packet.h (renamed from src/vnet/dhcp/packet.h)6
-rw-r--r--src/vnet/dhcp/dhcp4_proxy_error.def (renamed from src/vnet/dhcp/proxy_error.def)1
-rw-r--r--src/vnet/dhcp/dhcp4_proxy_node.c (renamed from src/vnet/dhcp/proxy_node.c)423
-rw-r--r--src/vnet/dhcp/dhcp6_packet.h (renamed from src/vnet/dhcpv6/packet.h)6
-rw-r--r--src/vnet/dhcp/dhcp6_proxy_error.def (renamed from src/vnet/dhcpv6/proxy_error.def)0
-rw-r--r--src/vnet/dhcp/dhcp6_proxy_node.c (renamed from src/vnet/dhcpv6/proxy_node.c)529
-rw-r--r--src/vnet/dhcp/dhcp_api.c95
-rw-r--r--src/vnet/dhcp/dhcp_proxy.c275
-rw-r--r--src/vnet/dhcp/dhcp_proxy.h248
-rw-r--r--src/vnet/dhcp/proxy.h99
-rw-r--r--src/vnet/dhcpv6/proxy.h94
13 files changed, 840 insertions, 940 deletions
diff --git a/src/vnet/dhcp/client.c b/src/vnet/dhcp/client.c
index 8a1a43b3fd4..d34c5a645eb 100644
--- a/src/vnet/dhcp/client.c
+++ b/src/vnet/dhcp/client.c
@@ -14,7 +14,7 @@
*/
#include <vlib/vlib.h>
#include <vnet/dhcp/client.h>
-#include <vnet/dhcp/proxy.h>
+#include <vnet/dhcp/dhcp_proxy.h>
#include <vnet/fib/fib_table.h>
dhcp_client_main_t dhcp_client_main;
diff --git a/src/vnet/dhcp/client.h b/src/vnet/dhcp/client.h
index a74368cbe07..1f85d7ce772 100644
--- a/src/vnet/dhcp/client.h
+++ b/src/vnet/dhcp/client.h
@@ -20,7 +20,7 @@
#define included_dhcp_client_h
#include <vnet/ip/ip.h>
-#include <vnet/dhcp/packet.h>
+#include <vnet/dhcp/dhcp4_packet.h>
#define foreach_dhcp_client_state \
_(DHCP_DISCOVER) \
diff --git a/src/vnet/dhcp/packet.h b/src/vnet/dhcp/dhcp4_packet.h
index 267a8eafc93..28c4b156e5c 100644
--- a/src/vnet/dhcp/packet.h
+++ b/src/vnet/dhcp/dhcp4_packet.h
@@ -1,5 +1,5 @@
-#ifndef included_vnet_dhcp_packet_h
-#define included_vnet_dhcp_packet_h
+#ifndef included_vnet_dhcp4_packet_h
+#define included_vnet_dhcp4_packet_h
/*
* DHCP packet format
@@ -58,4 +58,4 @@ typedef enum {
/* charming antique: 99.130.83.99 is the dhcp magic cookie */
#define DHCP_MAGIC (clib_host_to_net_u32(0x63825363))
-#endif /* included_vnet_dhcp_packet_h */
+#endif /* included_vnet_dhcp4_packet_h */
diff --git a/src/vnet/dhcp/proxy_error.def b/src/vnet/dhcp/dhcp4_proxy_error.def
index 6d790d732d6..adf04808fa3 100644
--- a/src/vnet/dhcp/proxy_error.def
+++ b/src/vnet/dhcp/dhcp4_proxy_error.def
@@ -29,3 +29,4 @@ dhcp_proxy_error (OPTION_82_VSS_NOT_PROCESSED, "DHCP VSS not processed by DHCP s
dhcp_proxy_error (BAD_YIADDR, "DHCP packets with bad your_ip_address fields")
dhcp_proxy_error (BAD_SVR_FIB_OR_ADDRESS, "DHCP packets not from DHCP server or server FIB.")
dhcp_proxy_error (PKT_TOO_BIG, "DHCP packets which are too big.")
+
diff --git a/src/vnet/dhcp/proxy_node.c b/src/vnet/dhcp/dhcp4_proxy_node.c
index ab6819fed54..88a99249684 100644
--- a/src/vnet/dhcp/proxy_node.c
+++ b/src/vnet/dhcp/dhcp4_proxy_node.c
@@ -17,13 +17,13 @@
#include <vlib/vlib.h>
#include <vnet/pg/pg.h>
-#include <vnet/dhcp/proxy.h>
+#include <vnet/dhcp/dhcp_proxy.h>
#include <vnet/dhcp/client.h>
#include <vnet/fib/ip4_fib.h>
static char * dhcp_proxy_error_strings[] = {
#define dhcp_proxy_error(n,s) s,
-#include "proxy_error.def"
+#include <vnet/dhcp/dhcp4_proxy_error.def>
#undef dhcp_proxy_error
};
@@ -55,12 +55,11 @@ typedef struct {
VPP_DHCP_OPTION82_SUB5_SIZE + \
VPP_DHCP_OPTION82_VSS_SIZE +3)
-vlib_node_registration_t dhcp_proxy_to_server_node;
-vlib_node_registration_t dhcp_proxy_to_client_node;
+static vlib_node_registration_t dhcp_proxy_to_server_node;
+static vlib_node_registration_t dhcp_proxy_to_client_node;
-dhcp_proxy_main_t dhcp_proxy_main;
-
-u8 * format_dhcp_proxy_trace (u8 * s, va_list * args)
+static u8 *
+format_dhcp_proxy_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
@@ -82,7 +81,8 @@ u8 * format_dhcp_proxy_trace (u8 * s, va_list * args)
return s;
}
-u8 * format_dhcp_proxy_header_with_length (u8 * s, va_list * args)
+static u8 *
+format_dhcp_proxy_header_with_length (u8 * s, va_list * args)
{
dhcp_header_t * h = va_arg (*args, dhcp_header_t *);
u32 max_header_bytes = va_arg (*args, u32);
@@ -97,42 +97,6 @@ u8 * format_dhcp_proxy_header_with_length (u8 * s, va_list * args)
return s;
}
-static inline vss_info *
-dhcp_get_vss_info (dhcp_proxy_main_t *dm,
- u32 rx_fib_index)
-{
- vss_info *v;
-
- if (vec_len(dm->vss_index_by_rx_fib_index) <= rx_fib_index ||
- dm->vss_index_by_rx_fib_index[rx_fib_index] == ~0)
- {
- v = NULL;
- }
- else
- {
- v = pool_elt_at_index (dm->vss,
- dm->vss_index_by_rx_fib_index[rx_fib_index]);
- }
-
- return (v);
-}
-
-static inline dhcp_server_t *
-dhcp_get_server (dhcp_proxy_main_t *dm,
- u32 rx_fib_index)
-{
- dhcp_server_t *s = NULL;
-
- if (vec_len(dm->dhcp_server_index_by_rx_fib_index) > rx_fib_index &&
- dm->dhcp_server_index_by_rx_fib_index[rx_fib_index] != ~0)
- {
- s = pool_elt_at_index (dm->dhcp_servers,
- dm->dhcp_server_index_by_rx_fib_index[rx_fib_index]);
- }
-
- return (s);
-}
-
static uword
dhcp_proxy_to_server_input (vlib_main_t * vm,
vlib_node_runtime_t * node,
@@ -208,7 +172,7 @@ dhcp_proxy_to_server_input (vlib_main_t * vm,
rx_sw_if_index = vnet_buffer(b0)->sw_if_index[VLIB_RX];
fib_index = im->fib_index_by_sw_if_index [rx_sw_if_index];
- server = dhcp_get_server(dpm, fib_index);
+ server = dhcp_get_server(dpm, fib_index, FIB_PROTOCOL_IP4);
if (PREDICT_FALSE (NULL == server))
{
@@ -225,8 +189,8 @@ dhcp_proxy_to_server_input (vlib_main_t * vm,
u0->checksum = 0;
sum0 = ip0->checksum;
old0 = ip0->dst_address.as_u32;
- new0 = server->dhcp_server.as_u32;
- ip0->dst_address.as_u32 = server->dhcp_server.as_u32;
+ new0 = server->dhcp_server.ip4.as_u32;
+ ip0->dst_address.as_u32 = server->dhcp_server.ip4.as_u32;
sum0 = ip_csum_update (sum0, old0, new0,
ip4_header_t /* structure */,
dst_address /* changed member */);
@@ -234,7 +198,7 @@ dhcp_proxy_to_server_input (vlib_main_t * vm,
sum0 = ip0->checksum;
old0 = ip0->src_address.as_u32;
- new0 = server->dhcp_src_address.as_u32;
+ new0 = server->dhcp_src_address.ip4.as_u32;
ip0->src_address.as_u32 = new0;
sum0 = ip_csum_update (sum0, old0, new0,
ip4_header_t /* structure */,
@@ -245,7 +209,7 @@ dhcp_proxy_to_server_input (vlib_main_t * vm,
vnet_buffer(b0)->sw_if_index[VLIB_TX] =
server->server_fib_index;
- h0->gateway_ip_address.as_u32 = server->dhcp_src_address.as_u32;
+ h0->gateway_ip_address.as_u32 = server->dhcp_src_address.ip4.as_u32;
pkts_to_server++;
o = (dhcp_option_t *) h0->options;
@@ -272,7 +236,7 @@ dhcp_proxy_to_server_input (vlib_main_t * vm,
vnet_main_t *vnm = vnet_get_main();
u16 old_l0, new_l0;
ip4_address_t _ia0, * ia0 = &_ia0;
- vss_info *vss;
+ dhcp_vss_t *vss;
vnet_sw_interface_t *swif;
sw_if_index = 0;
original_sw_if_index = 0;
@@ -315,13 +279,13 @@ dhcp_proxy_to_server_input (vlib_main_t * vm,
o->data[11] = ia0->as_u8[3];
o->data[12] = 0xFF;
- vss = dhcp_get_vss_info (dpm, fib_index);
+ vss = dhcp_get_vss_info (dpm, fib_index, FIB_PROTOCOL_IP4);
if (NULL != vss)
{
u32 opt82_fib_id=0, opt82_oui=0;
- opt82_oui = vss->vpn_id.oui;
- opt82_fib_id = vss->vpn_id.fib_id;
+ opt82_oui = vss->oui;
+ opt82_fib_id = vss->fib_id;
o->data[12] = 151; /* vss suboption */
if (255 == opt82_fib_id) {
@@ -386,7 +350,7 @@ dhcp_proxy_to_server_input (vlib_main_t * vm,
tr->original_sw_if_index = original_sw_if_index;
tr->sw_if_index = sw_if_index;
if (next0 == DHCP_PROXY_TO_SERVER_INPUT_NEXT_LOOKUP)
- tr->trace_ip4_address.as_u32 = server->dhcp_server.as_u32;
+ tr->trace_ip4_address.as_u32 = server->dhcp_server.ip4.as_u32;
}
do_enqueue:
@@ -416,7 +380,7 @@ dhcp_proxy_to_server_input (vlib_main_t * vm,
return from_frame->n_vectors;
}
-VLIB_REGISTER_NODE (dhcp_proxy_to_server_node) = {
+VLIB_REGISTER_NODE (dhcp_proxy_to_server_node, static) = {
.function = dhcp_proxy_to_server_input,
.name = "dhcp-proxy-to-server",
/* Takes a vector of packets. */
@@ -583,7 +547,7 @@ dhcp_proxy_to_client_input (vlib_main_t * vm,
}
fib_index = im->fib_index_by_sw_if_index [sw_if_index];
- server = dhcp_get_server(dpm, fib_index);
+ server = dhcp_get_server(dpm, fib_index, FIB_PROTOCOL_IP4);
if (PREDICT_FALSE (NULL == server))
{
@@ -591,7 +555,7 @@ dhcp_proxy_to_client_input (vlib_main_t * vm,
goto drop_packet;
}
- if (ip0->src_address.as_u32 != server->dhcp_server.as_u32)
+ if (ip0->src_address.as_u32 != server->dhcp_server.ip4.as_u32)
{
error0 = DHCP_PROXY_ERROR_BAD_SVR_FIB_OR_ADDRESS;
goto drop_packet;
@@ -681,7 +645,7 @@ dhcp_proxy_to_client_input (vlib_main_t * vm,
return from_frame->n_vectors;
}
-VLIB_REGISTER_NODE (dhcp_proxy_to_client_node) = {
+VLIB_REGISTER_NODE (dhcp_proxy_to_client_node, static) = {
.function = dhcp_proxy_to_client_input,
.name = "dhcp-proxy-to-client",
/* Takes a vector of packets. */
@@ -696,44 +660,36 @@ VLIB_REGISTER_NODE (dhcp_proxy_to_client_node) = {
#endif
};
-clib_error_t * dhcp_proxy_init (vlib_main_t * vm)
+static clib_error_t *
+dhcp4_proxy_init (vlib_main_t * vm)
{
dhcp_proxy_main_t * dm = &dhcp_proxy_main;
vlib_node_t * error_drop_node;
- dhcp_server_t * server;
- dm->vlib_main = vm;
- dm->vnet_main = vnet_get_main();
error_drop_node = vlib_get_node_by_name (vm, (u8 *) "error-drop");
dm->error_drop_node_index = error_drop_node->index;
- dm->vss_index_by_rx_fib_index = NULL;
-
udp_register_dst_port (vm, UDP_DST_PORT_dhcp_to_client,
dhcp_proxy_to_client_node.index, 1 /* is_ip4 */);
udp_register_dst_port (vm, UDP_DST_PORT_dhcp_to_server,
dhcp_proxy_to_server_node.index, 1 /* is_ip4 */);
- /* Create the default server, don't mark it valid */
- pool_get (dm->dhcp_servers, server);
- memset (server, 0, sizeof (*server));
-
return 0;
}
-VLIB_INIT_FUNCTION (dhcp_proxy_init);
-int dhcp_proxy_set_server (ip4_address_t *addr,
- ip4_address_t *src_address,
- u32 rx_fib_id,
- u32 server_fib_id,
- int is_del)
+VLIB_INIT_FUNCTION (dhcp4_proxy_init);
+
+int
+dhcp4_proxy_set_server (ip46_address_t *addr,
+ ip46_address_t *src_addr,
+ u32 rx_table_id,
+ u32 server_table_id,
+ int is_del)
{
- dhcp_proxy_main_t * dpm = &dhcp_proxy_main;
- dhcp_server_t * server = 0;
- u32 server_index = 0;
u32 rx_fib_index = 0;
+ int rc = 0;
const fib_prefix_t all_1s =
{
@@ -742,98 +698,70 @@ int dhcp_proxy_set_server (ip4_address_t *addr,
.fp_proto = FIB_PROTOCOL_IP4,
};
- if (addr->as_u32 == 0)
+ if (ip46_address_is_zero(addr))
return VNET_API_ERROR_INVALID_DST_ADDRESS;
- if (src_address->as_u32 == 0)
+ if (ip46_address_is_zero(src_addr))
return VNET_API_ERROR_INVALID_SRC_ADDRESS;
rx_fib_index = fib_table_find_or_create_and_lock(FIB_PROTOCOL_IP4,
- rx_fib_id);
+ rx_table_id);
if (is_del)
{
- if (rx_fib_index >= vec_len(dpm->dhcp_server_index_by_rx_fib_index))
- return VNET_API_ERROR_NO_SUCH_ENTRY;
-
- server_index = dpm->dhcp_server_index_by_rx_fib_index[rx_fib_index];
-
- if (server_index == ~0)
- return VNET_API_ERROR_NO_SUCH_ENTRY;
-
- /* Use the default server again. */
- dpm->dhcp_server_index_by_rx_fib_index[rx_fib_index] = ~0;
- server = pool_elt_at_index (dpm->dhcp_servers, server_index);
-
- fib_table_entry_special_remove(rx_fib_index,
- &all_1s,
- FIB_SOURCE_DHCP);
- fib_table_unlock (rx_fib_index,
- FIB_PROTOCOL_IP4);
- fib_table_unlock (server->server_fib_index,
- FIB_PROTOCOL_IP4);
-
- memset (server, 0, sizeof (*server));
- pool_put (dpm->dhcp_servers, server);
- return 0;
+ rc = dhcp_proxy_server_del (FIB_PROTOCOL_IP4, rx_fib_index);
+
+ if (0 == rc)
+ {
+ fib_table_entry_special_remove(rx_fib_index,
+ &all_1s,
+ FIB_SOURCE_DHCP);
+ fib_table_unlock (rx_fib_index, FIB_PROTOCOL_IP4);
+ }
}
else
{
- vec_validate_init_empty(dpm->dhcp_server_index_by_rx_fib_index,
- rx_fib_index,
- ~0);
-
- pool_get (dpm->dhcp_servers, server);
-
- server->dhcp_server.as_u32 = addr->as_u32;
- server->dhcp_src_address.as_u32 = src_address->as_u32;
-
- fib_table_entry_special_add(rx_fib_index,
- &all_1s,
- FIB_SOURCE_DHCP,
- FIB_ENTRY_FLAG_LOCAL,
- ADJ_INDEX_INVALID);
- fib_table_lock (rx_fib_index,
- FIB_PROTOCOL_IP4);
-
- server->server_fib_index =
- fib_table_find_or_create_and_lock(FIB_PROTOCOL_IP4,
- server_fib_id);
-
- vec_validate_init_empty (dpm->dhcp_server_index_by_rx_fib_index,
- rx_fib_index,
- ~0);
- dpm->dhcp_server_index_by_rx_fib_index[rx_fib_index] =
- server - dpm->dhcp_servers;
+ if (dhcp_proxy_server_add (FIB_PROTOCOL_IP4,
+ addr, src_addr,
+ rx_fib_index, server_table_id))
+ {
+ fib_table_entry_special_add(rx_fib_index,
+ &all_1s,
+ FIB_SOURCE_DHCP,
+ FIB_ENTRY_FLAG_LOCAL,
+ ADJ_INDEX_INVALID);
+ fib_table_lock (rx_fib_index, FIB_PROTOCOL_IP4);
+ }
}
+ fib_table_unlock (rx_fib_index, FIB_PROTOCOL_IP4);
- fib_table_unlock (rx_fib_index,
- FIB_PROTOCOL_IP4);
-
- return 0;
+ return (rc);
}
static clib_error_t *
-dhcp_proxy_set_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+dhcp4_proxy_set_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- ip4_address_t server_addr, src_addr;
- u32 server_fib_id = 0, rx_fib_id = 0;
+ ip46_address_t server_addr, src_addr;
+ u32 server_table_id = 0, rx_table_id = 0;
int is_del = 0;
int set_src = 0, set_server = 0;
-
+
+ memset(&server_addr, 0, sizeof(server_addr));
+ memset(&src_addr, 0, sizeof(src_addr));
+
while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "server %U",
- unformat_ip4_address, &server_addr))
+ unformat_ip4_address, &server_addr.ip4))
set_server = 1;
- else if (unformat (input, "server-fib-id %d", &server_fib_id))
+ else if (unformat (input, "server-fib-id %d", &server_table_id))
;
- else if (unformat (input, "rx-fib-id %d", &rx_fib_id))
+ else if (unformat (input, "rx-fib-id %d", &rx_table_id))
;
else if (unformat(input, "src-address %U",
- unformat_ip4_address, &src_addr))
+ unformat_ip4_address, &src_addr.ip4))
set_src = 1;
else if (unformat (input, "delete") ||
unformat (input, "del"))
@@ -846,8 +774,8 @@ dhcp_proxy_set_command_fn (vlib_main_t * vm,
{
int rv;
- rv = dhcp_proxy_set_server (&server_addr, &src_addr, rx_fib_id,
- server_fib_id, is_del);
+ rv = dhcp4_proxy_set_server (&server_addr, &src_addr, rx_table_id,
+ server_table_id, is_del);
switch (rv)
{
case 0:
@@ -858,17 +786,10 @@ dhcp_proxy_set_command_fn (vlib_main_t * vm,
case VNET_API_ERROR_INVALID_SRC_ADDRESS:
return clib_error_return (0, "Invalid src address");
-
- case VNET_API_ERROR_NO_SUCH_INNER_FIB:
- return clib_error_return (0, "No such rx fib id %d", rx_fib_id);
-
- case VNET_API_ERROR_NO_SUCH_FIB:
- return clib_error_return (0, "No such server fib id %d",
- server_fib_id);
case VNET_API_ERROR_NO_SUCH_ENTRY:
return clib_error_return
- (0, "Fib id %d: no per-fib DHCP server configured", rx_fib_id);
+ (0, "Fib id %d: no per-fib DHCP server configured", rx_table_id);
default:
return clib_error_return (0, "BUG: rv %d", rv);
@@ -882,18 +803,16 @@ dhcp_proxy_set_command_fn (vlib_main_t * vm,
VLIB_CLI_COMMAND (dhcp_proxy_set_command, static) = {
.path = "set dhcp proxy",
.short_help = "set dhcp proxy [del] server <ip-addr> src-address <ip-addr> [server-fib-id <n>] [rx-fib-id <n>]",
- .function = dhcp_proxy_set_command_fn,
+ .function = dhcp4_proxy_set_command_fn,
};
-u8 * format_dhcp_proxy_server (u8 * s, va_list * args)
+static u8 *
+format_dhcp4_proxy_server (u8 * s, va_list * args)
{
- dhcp_proxy_main_t * dm = va_arg (*args, dhcp_proxy_main_t *);
dhcp_server_t * server = va_arg (*args, dhcp_server_t *);
- u32 rx_fib_index = va_arg (*args, u32);
ip4_fib_t * rx_fib, * server_fib;
- u32 server_fib_id = ~0, rx_fib_id = ~0;
- if (dm == 0)
+ if (server == 0)
{
s = format (s, "%=16s%=16s%=14s%=14s", "Server", "Src Address",
"Server FIB", "RX FIB");
@@ -901,155 +820,45 @@ u8 * format_dhcp_proxy_server (u8 * s, va_list * args)
}
server_fib = ip4_fib_get(server->server_fib_index);
-
- if (server_fib)
- server_fib_id = server_fib->table_id;
-
- rx_fib = ip4_fib_get(rx_fib_index);
-
- if (rx_fib)
- rx_fib_id = rx_fib->table_id;
+ rx_fib = ip4_fib_get(server->rx_fib_index);
s = format (s, "%=16U%=16U%=14u%=14u",
- format_ip4_address, &server->dhcp_server,
- format_ip4_address, &server->dhcp_src_address,
- server_fib_id, rx_fib_id);
+ format_ip46_address, &server->dhcp_server, IP46_TYPE_ANY,
+ format_ip46_address, &server->dhcp_src_address, IP46_TYPE_ANY,
+ server_fib->table_id,
+ rx_fib->table_id);
return s;
}
-static clib_error_t *
-dhcp_proxy_show_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+static int
+dhcp4_proxy_show_walk (dhcp_server_t *server,
+ void *ctx)
{
- dhcp_proxy_main_t * dpm = &dhcp_proxy_main;
- dhcp_server_t * server;
- u32 server_index, i;
+ vlib_main_t * vm = ctx;
- vlib_cli_output (vm, "%U", format_dhcp_proxy_server, 0 /* header line */,
- 0, 0);
+ vlib_cli_output (vm, "%U", format_dhcp4_proxy_server, server);
- vec_foreach_index (i, dpm->dhcp_server_index_by_rx_fib_index)
- {
- server_index = dpm->dhcp_server_index_by_rx_fib_index[i];
- if (~0 == server_index)
- continue;
+ return (1);
+}
- server = pool_elt_at_index (dpm->dhcp_servers, server_index);
+static clib_error_t *
+dhcp4_proxy_show_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vlib_cli_output (vm, "%U", format_dhcp4_proxy_server, NULL /* header line */);
- vlib_cli_output (vm, "%U", format_dhcp_proxy_server, dpm,
- server, i);
- }
+ dhcp_proxy_walk(FIB_PROTOCOL_IP4, dhcp4_proxy_show_walk, vm);
- return 0;
+ return (NULL);
}
VLIB_CLI_COMMAND (dhcp_proxy_show_command, static) = {
.path = "show dhcp proxy",
.short_help = "Display dhcp proxy server info",
- .function = dhcp_proxy_show_command_fn,
+ .function = dhcp4_proxy_show_command_fn,
};
-void
-dhcp_proxy_dump (void *opaque,
- u32 context)
-{
- dhcp_proxy_main_t * dpm = &dhcp_proxy_main;
- ip4_fib_t *s_fib, *r_fib;
- dhcp_server_t * server;
- u32 server_index, i;
- vss_info *v;
-
- vec_foreach_index (i, dpm->dhcp_server_index_by_rx_fib_index)
- {
- server_index = dpm->dhcp_server_index_by_rx_fib_index[i];
- if (~0 == server_index)
- continue;
-
- server = pool_elt_at_index (dpm->dhcp_servers, server_index);
- v = dhcp_get_vss_info(dpm, i);
-
- ip46_address_t src_addr = {
- .ip4 = server->dhcp_src_address,
- };
- ip46_address_t server_addr = {
- .ip4 = server->dhcp_server,
- };
-
- s_fib = ip4_fib_get(server->server_fib_index);
- r_fib = ip4_fib_get(i);
-
- dhcp_send_details(opaque,
- context,
- &server_addr,
- &src_addr,
- s_fib->table_id,
- r_fib->table_id,
- (v ? v->vpn_id.fib_id : 0),
- (v ? v->vpn_id.oui : 0));
- }
-}
-
-int dhcp_proxy_set_option82_vss(u32 tbl_id,
- u32 oui,
- u32 fib_id,
- int is_del)
-{
- dhcp_proxy_main_t *dm = &dhcp_proxy_main;
- vss_info *v = NULL;
- u32 rx_fib_index;
- int rc = 0;
-
- rx_fib_index = ip4_fib_table_find_or_create_and_lock(tbl_id);
- v = dhcp_get_vss_info(dm, rx_fib_index);
-
- if (NULL != v)
- {
- if (is_del)
- {
- /* release the lock held on the table when the VSS
- * info was created */
- fib_table_unlock (rx_fib_index,
- FIB_PROTOCOL_IP4);
-
- pool_put (dm->vss, v);
- dm->vss_index_by_rx_fib_index[rx_fib_index] = ~0;
- }
- else
- {
- /* this is a modify */
- v->vpn_id.fib_id = fib_id;
- v->vpn_id.oui = oui;
- }
- }
- else
- {
- if (is_del)
- rc = VNET_API_ERROR_NO_SUCH_ENTRY;
- else
- {
- /* create a new entry */
- vec_validate_init_empty(dm->vss_index_by_rx_fib_index,
- rx_fib_index, ~0);
-
- /* hold a lock on the table whilst the VSS info exist */
- fib_table_lock (rx_fib_index,
- FIB_PROTOCOL_IP4);
-
- pool_get (dm->vss, v);
- v->vpn_id.fib_id = fib_id;
- v->vpn_id.oui = oui;
- dm->vss_index_by_rx_fib_index[rx_fib_index] = v - dm->vss;
- }
- }
-
- /* Release the lock taken during the create_or_lock at the start */
- fib_table_unlock (rx_fib_index,
- FIB_PROTOCOL_IP4);
-
- return (rc);
-}
-
static clib_error_t *
dhcp_option_82_vss_fn (vlib_main_t * vm,
unformat_input_t * input,
@@ -1057,7 +866,6 @@ dhcp_option_82_vss_fn (vlib_main_t * vm,
{
int is_del = 0, got_new_vpn_id=0;
u32 oui=0, fib_id=0, tbl_id=~0;
-
while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
{
@@ -1079,7 +887,7 @@ dhcp_option_82_vss_fn (vlib_main_t * vm,
if (is_del || got_new_vpn_id)
{
int rv;
- rv = dhcp_proxy_set_option82_vss(tbl_id, oui, fib_id, is_del);
+ rv = dhcp_proxy_set_vss(FIB_PROTOCOL_IP4, tbl_id, oui, fib_id, is_del);
switch (rv)
{
case 0:
@@ -1107,31 +915,15 @@ VLIB_CLI_COMMAND (dhcp_proxy_vss_command,static) = {
.function = dhcp_option_82_vss_fn,
};
-
static clib_error_t *
dhcp_vss_show_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
- dhcp_proxy_main_t * dm = &dhcp_proxy_main;
- ip4_fib_t *fib;
- u32 *fib_index;
- vss_info *v;
-
- vlib_cli_output (vm, "%=9s%=11s%=12s","Table", "OUI", "VPN-ID");
- pool_foreach (fib_index, dm->vss_index_by_rx_fib_index,
- ({
- fib = ip4_fib_get (*fib_index);
- v = pool_elt_at_index (dm->vss, *fib_index);
-
- vlib_cli_output (vm, "%=6d%=6d%=12d",
- fib->table_id,
- v->vpn_id.oui,
- v->vpn_id.fib_id);
- }));
-
- return 0;
+ dhcp_vss_walk(FIB_PROTOCOL_IP4, dhcp_vss_show_walk, vm);
+
+ return (NULL);
}
VLIB_CLI_COMMAND (dhcp_proxy_vss_show_command, static) = {
@@ -1146,17 +938,16 @@ dhcp_option_82_address_show_command_fn (vlib_main_t * vm,
vlib_cli_command_t * cmd)
{
- dhcp_proxy_main_t *dm = &dhcp_proxy_main;
vnet_main_t *vnm = vnet_get_main();
u32 sw_if_index0=0, sw_if_index;
- ip4_address_t *ia0;
vnet_sw_interface_t *swif;
+ ip4_address_t *ia0;
while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
{
if (unformat(input, "%U",
- unformat_vnet_sw_interface, dm->vnet_main, &sw_if_index0))
+ unformat_vnet_sw_interface, vnm, &sw_if_index0))
{
swif = vnet_get_sw_interface (vnm, sw_if_index0);
sw_if_index = (swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED) ?
@@ -1169,14 +960,14 @@ dhcp_option_82_address_show_command_fn (vlib_main_t * vm,
vlib_cli_output (vm, "%=20U%=20U",
format_vnet_sw_if_index_name,
- dm->vnet_main, sw_if_index0,
+ vnm, sw_if_index0,
format_ip4_address, ia0);
}
else
vlib_cli_output (vm, "%=34s %=20U",
"No IPv4 address configured on",
format_vnet_sw_if_index_name,
- dm->vnet_main, sw_if_index);
+ vnm, sw_if_index);
}
else
break;
diff --git a/src/vnet/dhcpv6/packet.h b/src/vnet/dhcp/dhcp6_packet.h
index 8634b5d8e9b..ddcde7a0dd9 100644
--- a/src/vnet/dhcpv6/packet.h
+++ b/src/vnet/dhcp/dhcp6_packet.h
@@ -1,5 +1,5 @@
-#ifndef included_vnet_dhcp_packet_h
-#define included_vnet_dhcp_packet_h
+#ifndef included_vnet_dhcp6_packet_h
+#define included_vnet_dhcp6_packet_h
/*
* DHCP packet format
@@ -180,4 +180,4 @@ typedef CLIB_PACKED (struct {
}) dhcpv6_client_mac_t;
-#endif /* included_vnet_dhcp_packet_h */
+#endif /* included_vnet_dhcp6_packet_h */
diff --git a/src/vnet/dhcpv6/proxy_error.def b/src/vnet/dhcp/dhcp6_proxy_error.def
index 55fa731766c..55fa731766c 100644
--- a/src/vnet/dhcpv6/proxy_error.def
+++ b/src/vnet/dhcp/dhcp6_proxy_error.def
diff --git a/src/vnet/dhcpv6/proxy_node.c b/src/vnet/dhcp/dhcp6_proxy_node.c
index f40798e6c5d..ed44977d76b 100644
--- a/src/vnet/dhcpv6/proxy_node.c
+++ b/src/vnet/dhcp/dhcp6_proxy_node.c
@@ -1,5 +1,5 @@
/*
- * proxy_node.c: dhcpv6 proxy node processing
+ * dhcp6_proxy_node.c: dhcpv6 proxy node processing
*
* Copyright (c) 2013 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
@@ -17,15 +17,15 @@
#include <vlib/vlib.h>
#include <vnet/pg/pg.h>
-#include <vnet/dhcpv6/proxy.h>
-#include <vnet/dhcp/proxy.h>
+#include <vnet/dhcp/dhcp_proxy.h>
+#include <vnet/dhcp/dhcp6_packet.h>
#include <vnet/fib/ip6_fib.h>
#include <vnet/mfib/mfib_table.h>
#include <vnet/mfib/ip6_mfib.h>
static char * dhcpv6_proxy_error_strings[] = {
#define dhcpv6_proxy_error(n,s) s,
-#include "proxy_error.def"
+#include <vnet/dhcp/dhcp6_proxy_error.def>
#undef dhcpv6_proxy_error
};
@@ -51,11 +51,15 @@ typedef struct {
u32 original_sw_if_index;
} dhcpv6_proxy_trace_t;
-vlib_node_registration_t dhcpv6_proxy_to_server_node;
-vlib_node_registration_t dhcpv6_proxy_to_client_node;
+static vlib_node_registration_t dhcpv6_proxy_to_server_node;
+static vlib_node_registration_t dhcpv6_proxy_to_client_node;
+/* all DHCP servers address */
+static ip6_address_t all_dhcpv6_server_address;
+static ip6_address_t all_dhcpv6_server_relay_agent_address;
-u8 * format_dhcpv6_proxy_trace (u8 * s, va_list * args)
+static u8 *
+format_dhcpv6_proxy_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
@@ -76,7 +80,8 @@ u8 * format_dhcpv6_proxy_trace (u8 * s, va_list * args)
return s;
}
-u8 * format_dhcpv6_proxy_header_with_length (u8 * s, va_list * args)
+static u8 *
+format_dhcpv6_proxy_header_with_length (u8 * s, va_list * args)
{
dhcpv6_header_t * h = va_arg (*args, dhcpv6_header_t *);
u32 max_header_bytes = va_arg (*args, u32);
@@ -111,56 +116,20 @@ ip6_interface_first_global_or_site_address (ip6_main_t * im, u32 sw_if_index)
return result;
}
-static inline void copy_ip6_address (ip6_address_t *dst, ip6_address_t *src)
+static inline void copy_ip6_address (ip6_address_t *dst,
+ ip6_address_t *src)
{
-
dst->as_u64[0] = src->as_u64[0];
dst->as_u64[1] = src->as_u64[1];
}
-static inline dhcpv6_vss_info *
-dhcpv6_get_vss_info (dhcpv6_proxy_main_t *dm,
- u32 rx_fib_index)
-{
- dhcpv6_vss_info *v;
-
- if (vec_len(dm->vss_index_by_rx_fib_index) <= rx_fib_index ||
- dm->vss_index_by_rx_fib_index[rx_fib_index] == ~0)
- {
- v = NULL;
- }
- else
- {
- v = pool_elt_at_index (dm->vss,
- dm->vss_index_by_rx_fib_index[rx_fib_index]);
- }
-
- return (v);
-}
-
-static inline dhcpv6_server_t *
-dhcpv6_get_server (dhcpv6_proxy_main_t *dm,
- u32 rx_fib_index)
-{
- dhcpv6_server_t *s = NULL;
-
- if (vec_len(dm->dhcp6_server_index_by_rx_fib_index) > rx_fib_index &&
- dm->dhcp6_server_index_by_rx_fib_index[rx_fib_index] != ~0)
- {
- s = pool_elt_at_index (dm->dhcp6_servers,
- dm->dhcp6_server_index_by_rx_fib_index[rx_fib_index]);
- }
-
- return (s);
-}
-
static uword
dhcpv6_proxy_to_server_input (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * from_frame)
+ vlib_node_runtime_t * node,
+ vlib_frame_t * from_frame)
{
u32 n_left_from, next_index, * from, * to_next;
- dhcpv6_proxy_main_t * dpm = &dhcpv6_proxy_main;
+ dhcp_proxy_main_t * dpm = &dhcp_proxy_main;
from = vlib_frame_vector_args (from_frame);
n_left_from = from_frame->n_vectors;
u32 pkts_to_server=0, pkts_to_client=0, pkts_no_server=0;
@@ -171,7 +140,7 @@ dhcpv6_proxy_to_server_input (vlib_main_t * vm,
ip6_main_t * im = &ip6_main;
ip6_address_t * src;
int bogus_length;
- dhcpv6_server_t * server;
+ dhcp_server_t * server;
u32 rx_fib_idx = 0, server_fib_idx = 0;
next_index = node->cached_next_index;
@@ -206,7 +175,7 @@ dhcpv6_proxy_to_server_input (vlib_main_t * vm,
ethernet_header_t * e_h0;
u8 client_src_mac[6];
vlib_buffer_free_list_t *fl;
- dhcpv6_vss_info *vss;
+ dhcp_vss_t *vss;
bi0 = from[0];
to_next[0] = bi0;
@@ -258,7 +227,7 @@ dhcpv6_proxy_to_server_input (vlib_main_t * vm,
/* Send to DHCPV6 server via the configured FIB */
rx_sw_if_index = sw_if_index = vnet_buffer(b0)->sw_if_index[VLIB_RX];
rx_fib_idx = im->fib_index_by_sw_if_index [rx_sw_if_index];
- server = dhcpv6_get_server(dpm, rx_fib_idx);
+ server = dhcp_get_server(dpm, rx_fib_idx, FIB_PROTOCOL_IP6);
if (PREDICT_FALSE (NULL == server))
{
@@ -268,7 +237,7 @@ dhcpv6_proxy_to_server_input (vlib_main_t * vm,
goto do_trace;
}
- server_fib_idx = server->server_fib6_index;
+ server_fib_idx = server->server_fib_index;
vnet_buffer(b0)->sw_if_index[VLIB_TX] = server_fib_idx;
@@ -368,8 +337,7 @@ dhcpv6_proxy_to_server_input (vlib_main_t * vm,
u1->length += sizeof(*cmac);
}
- //TODO: Revisit if hash makes sense here
- vss = dhcpv6_get_vss_info(dpm, rx_fib_idx);
+ vss = dhcp_get_vss_info(dpm, rx_fib_idx, FIB_PROTOCOL_IP6);
if (NULL != vss) {
vss1 = (dhcpv6_vss_t *) (((uword) ip1) + b0->current_length);
@@ -378,13 +346,13 @@ dhcpv6_proxy_to_server_input (vlib_main_t * vm,
sizeof(vss1->opt));
vss1->opt.option = clib_host_to_net_u16(DHCPV6_OPTION_VSS);
vss1->data[0] = 1; // type
- vss1->data[1] = vss->vpn_id.oui >>16 & 0xff;
- vss1->data[2] = vss->vpn_id.oui >>8 & 0xff;
- vss1->data[3] = vss->vpn_id.oui & 0xff;
- vss1->data[4] = vss->vpn_id.fib_id >> 24 & 0xff;
- vss1->data[5] = vss->vpn_id.fib_id >> 16 & 0xff;
- vss1->data[6] = vss->vpn_id.fib_id >> 8 & 0xff;
- vss1->data[7] = vss->vpn_id.fib_id & 0xff;
+ vss1->data[1] = vss->oui >>16 & 0xff;
+ vss1->data[2] = vss->oui >>8 & 0xff;
+ vss1->data[3] = vss->oui & 0xff;
+ vss1->data[4] = vss->fib_id >> 24 & 0xff;
+ vss1->data[5] = vss->fib_id >> 16 & 0xff;
+ vss1->data[6] = vss->fib_id >> 8 & 0xff;
+ vss1->data[7] = vss->fib_id & 0xff;
u1->length += sizeof(*vss1);
}
@@ -403,16 +371,18 @@ dhcpv6_proxy_to_server_input (vlib_main_t * vm,
ip1->payload_length = u1->length;
ip1->protocol = PROTO_UDP;
ip1->hop_limit = HOP_COUNT_LIMIT;
- src = (server->dhcp6_server.as_u64[0] || server->dhcp6_server.as_u64[1]) ?
- &server->dhcp6_server : &dpm->all_dhcpv6_server_address;
+ src = (server->dhcp_server.ip6.as_u64[0] ||
+ server->dhcp_server.ip6.as_u64[1]) ?
+ &server->dhcp_server.ip6 : &all_dhcpv6_server_address;
copy_ip6_address(&ip1->dst_address, src);
ia0 = ip6_interface_first_global_or_site_address
(&ip6_main, vnet_buffer(b0)->sw_if_index[VLIB_RX]);
- src = (server->dhcp6_src_address.as_u64[0] || server->dhcp6_src_address.as_u64[1]) ?
- &server->dhcp6_src_address : ia0;
+ src = (server->dhcp_src_address.ip6.as_u64[0] ||
+ server->dhcp_src_address.ip6.as_u64[1]) ?
+ &server->dhcp_src_address.ip6 : ia0;
if (ia0 == 0)
{
error0 = DHCPV6_PROXY_ERROR_NO_SRC_ADDRESS;
@@ -440,7 +410,7 @@ dhcpv6_proxy_to_server_input (vlib_main_t * vm,
tr->original_sw_if_index = rx_sw_if_index;
tr->sw_if_index = sw_if_index;
if (DHCPV6_PROXY_TO_SERVER_INPUT_NEXT_LOOKUP == next0)
- copy_ip6_address((ip6_address_t *)&tr->packet_data[0], &server->dhcp6_server);
+ copy_ip6_address((ip6_address_t *)&tr->packet_data[0], &server->dhcp_server.ip6);
}
do_enqueue:
@@ -473,7 +443,7 @@ dhcpv6_proxy_to_server_input (vlib_main_t * vm,
return from_frame->n_vectors;
}
-VLIB_REGISTER_NODE (dhcpv6_proxy_to_server_node) = {
+VLIB_REGISTER_NODE (dhcpv6_proxy_to_server_node, static) = {
.function = dhcpv6_proxy_to_server_input,
.name = "dhcpv6-proxy-to-server",
/* Takes a vector of packets. */
@@ -504,8 +474,8 @@ dhcpv6_proxy_to_client_input (vlib_main_t * vm,
u32 n_left_from, * from;
ethernet_main_t *em = ethernet_get_main (vm);
- dhcpv6_proxy_main_t * dm = &dhcpv6_proxy_main;
- dhcpv6_server_t * server;
+ dhcp_proxy_main_t * dm = &dhcp_proxy_main;
+ dhcp_server_t * server;
vnet_main_t * vnm = vnet_get_main();
int bogus_length;
@@ -618,7 +588,7 @@ dhcpv6_proxy_to_client_input (vlib_main_t * vm,
vlib_buffer_advance (b0, sizeof(*r0));
client_fib_idx = im->fib_index_by_sw_if_index[sw_if_index];
- server = dhcpv6_get_server(dm, client_fib_idx);
+ server = dhcp_get_server(dm, client_fib_idx, FIB_PROTOCOL_IP6);
if (NULL == server)
{
@@ -629,9 +599,9 @@ dhcpv6_proxy_to_client_input (vlib_main_t * vm,
server_fib_idx = im->fib_index_by_sw_if_index
[vnet_buffer(b0)->sw_if_index[VLIB_RX]];
- if (server_fib_idx != server->server_fib6_index ||
- ip0->src_address.as_u64[0] != server->dhcp6_server.as_u64[0] ||
- ip0->src_address.as_u64[1] != server->dhcp6_server.as_u64[1])
+ if (server_fib_idx != server->server_fib_index ||
+ ip0->src_address.as_u64[0] != server->dhcp_server.ip6.as_u64[0] ||
+ ip0->src_address.as_u64[1] != server->dhcp_server.ip6.as_u64[1])
{
//drop packet if not from server with configured address or FIB
error0 = DHCPV6_PROXY_ERROR_BAD_SVR_FIB_OR_ADDRESS;
@@ -731,7 +701,7 @@ dhcpv6_proxy_to_client_input (vlib_main_t * vm,
}
-VLIB_REGISTER_NODE (dhcpv6_proxy_to_client_node) = {
+VLIB_REGISTER_NODE (dhcpv6_proxy_to_client_node, static) = {
.function = dhcpv6_proxy_to_client_input,
.name = "dhcpv6-proxy-to-client",
/* Takes a vector of packets. */
@@ -746,26 +716,22 @@ VLIB_REGISTER_NODE (dhcpv6_proxy_to_client_node) = {
#endif
};
-clib_error_t * dhcpv6_proxy_init (vlib_main_t * vm)
+static clib_error_t *
+dhcp6_proxy_init (vlib_main_t * vm)
{
- dhcpv6_proxy_main_t * dm = &dhcpv6_proxy_main;
+ dhcp_proxy_main_t * dm = &dhcp_proxy_main;
vlib_node_t * error_drop_node;
- dhcpv6_server_t * server;
- dm->vlib_main = vm;
- dm->vnet_main = vnet_get_main();
error_drop_node = vlib_get_node_by_name (vm, (u8 *) "error-drop");
dm->error_drop_node_index = error_drop_node->index;
- dm->vss_index_by_rx_fib_index = NULL;
-
/* RFC says this is the dhcpv6 server address */
- dm->all_dhcpv6_server_address.as_u64[0] = clib_host_to_net_u64 (0xFF05000000000000);
- dm->all_dhcpv6_server_address.as_u64[1] = clib_host_to_net_u64 (0x00010003);
+ all_dhcpv6_server_address.as_u64[0] = clib_host_to_net_u64 (0xFF05000000000000);
+ all_dhcpv6_server_address.as_u64[1] = clib_host_to_net_u64 (0x00010003);
/* RFC says this is the server and agent address */
- dm->all_dhcpv6_server_relay_agent_address.as_u64[0] = clib_host_to_net_u64 (0xFF02000000000000);
- dm->all_dhcpv6_server_relay_agent_address.as_u64[1] = clib_host_to_net_u64 (0x00010002);
+ all_dhcpv6_server_relay_agent_address.as_u64[0] = clib_host_to_net_u64 (0xFF02000000000000);
+ all_dhcpv6_server_relay_agent_address.as_u64[1] = clib_host_to_net_u64 (0x00010002);
udp_register_dst_port (vm, UDP_DST_PORT_dhcpv6_to_client,
dhcpv6_proxy_to_client_node.index, 0 /* is_ip6 */);
@@ -773,144 +739,84 @@ clib_error_t * dhcpv6_proxy_init (vlib_main_t * vm)
udp_register_dst_port (vm, UDP_DST_PORT_dhcpv6_to_server,
dhcpv6_proxy_to_server_node.index, 0 /* is_ip6 */);
- /* Create the default server, don't mark it valid */
- pool_get (dm->dhcp6_servers, server);
- memset (server, 0, sizeof (*server));
-
return 0;
}
-VLIB_INIT_FUNCTION (dhcpv6_proxy_init);
+VLIB_INIT_FUNCTION (dhcp6_proxy_init);
-int dhcpv6_proxy_set_server (ip6_address_t *addr,
- ip6_address_t *src_address,
- u32 rx_fib_id,
- u32 server_fib_id,
- int is_del)
+int
+dhcp6_proxy_set_server (ip46_address_t *addr,
+ ip46_address_t *src_addr,
+ u32 rx_table_id,
+ u32 server_table_id,
+ int is_del)
{
- dhcpv6_proxy_main_t * dm = &dhcpv6_proxy_main;
- dhcpv6_server_t * server = 0;
u32 rx_fib_index = 0;
int rc = 0;
- rx_fib_index = ip6_mfib_table_find_or_create_and_lock(rx_fib_id);
-
const mfib_prefix_t all_dhcp_servers = {
.fp_len = 128,
.fp_proto = FIB_PROTOCOL_IP6,
.fp_grp_addr = {
- .ip6 = dm->all_dhcpv6_server_relay_agent_address,
+ .ip6 = all_dhcpv6_server_relay_agent_address,
}
};
- if (is_del)
- {
- server = dhcpv6_get_server(dm, rx_fib_index);
-
- if (NULL == server)
- {
- rc = VNET_API_ERROR_NO_SUCH_ENTRY;
- goto out;
- }
+ if (ip46_address_is_zero(addr))
+ return VNET_API_ERROR_INVALID_DST_ADDRESS;
+
+ if (ip46_address_is_zero(src_addr))
+ return VNET_API_ERROR_INVALID_SRC_ADDRESS;
- /*
- * release the locks held on the server fib and rx mfib
- */
- mfib_table_entry_delete(rx_fib_index,
- &all_dhcp_servers,
- MFIB_SOURCE_DHCP);
- mfib_table_unlock(rx_fib_index, FIB_PROTOCOL_IP6);
- fib_table_unlock(server->server_fib6_index, FIB_PROTOCOL_IP6);
+ rx_fib_index = mfib_table_find_or_create_and_lock(FIB_PROTOCOL_IP6,
+ rx_table_id);
- dm->dhcp6_server_index_by_rx_fib_index[rx_fib_index] = ~0;
+ if (is_del)
+ {
+ rc = dhcp_proxy_server_del (FIB_PROTOCOL_IP6, rx_fib_index);
- memset (server, 0, sizeof (*server));
- pool_put (dm->dhcp6_servers, server);
+ if (0 == rc)
+ {
+ mfib_table_entry_delete(rx_fib_index,
+ &all_dhcp_servers,
+ MFIB_SOURCE_DHCP);
+ mfib_table_unlock(rx_fib_index, FIB_PROTOCOL_IP6);
+ }
}
else
{
- if (addr->as_u64[0] == 0 &&
- addr->as_u64[1] == 0 )
- {
- rc = VNET_API_ERROR_INVALID_DST_ADDRESS;
- goto out;
- }
- if (src_address->as_u64[0] == 0 &&
- src_address->as_u64[1] == 0)
- {
- rc = VNET_API_ERROR_INVALID_SRC_ADDRESS;
- goto out;
- }
-
- server = dhcpv6_get_server(dm, rx_fib_index);
-
- if (NULL != server)
- {
- /* modify of an existing entry */
- ip6_fib_t *fib;
-
- fib = ip6_fib_get(server->server_fib6_index);
-
- if (fib->table_id != server_fib_id)
- {
- /* swap tables */
- fib_table_unlock(server->server_fib6_index, FIB_PROTOCOL_IP6);
- server->server_fib6_index =
- ip6_fib_table_find_or_create_and_lock(server_fib_id);
- }
- }
- else
- {
- /* Allocate a new server */
- pool_get (dm->dhcp6_servers, server);
-
- vec_validate_init_empty (dm->dhcp6_server_index_by_rx_fib_index,
- rx_fib_index, ~0);
- dm->dhcp6_server_index_by_rx_fib_index[rx_fib_index] =
- server - dm->dhcp6_servers;
-
- server->server_fib6_index =
- ip6_fib_table_find_or_create_and_lock(server_fib_id);
- mfib_table_lock(rx_fib_index, FIB_PROTOCOL_IP6);
-
- const mfib_prefix_t all_dhcp_servers = {
- .fp_len = 128,
- .fp_proto = FIB_PROTOCOL_IP6,
- .fp_grp_addr = {
- .ip6 = dm->all_dhcpv6_server_relay_agent_address,
- }
- };
- const fib_route_path_t path_for_us = {
- .frp_proto = FIB_PROTOCOL_IP6,
- .frp_addr = zero_addr,
- .frp_sw_if_index = 0xffffffff,
- .frp_fib_index = ~0,
- .frp_weight = 0,
- .frp_flags = FIB_ROUTE_PATH_LOCAL,
- };
- mfib_table_entry_path_update(rx_fib_index,
- &all_dhcp_servers,
- MFIB_SOURCE_DHCP,
- &path_for_us,
- MFIB_ITF_FLAG_FORWARD);
- /*
- * Each interface that is enabled in this table, needs to be added
- * as an accepting interface, but this is not easily doable in VPP.
- * So we cheat. Add a flag to the entry that indicates accept form
- * any interface.
- * We will still only accept on v6 enabled interfaces, since the
- * input feature ensures this.
- */
- mfib_table_entry_update(rx_fib_index,
- &all_dhcp_servers,
- MFIB_SOURCE_DHCP,
- MFIB_ENTRY_FLAG_ACCEPT_ALL_ITF);
- }
- copy_ip6_address(&server->dhcp6_server, addr);
- copy_ip6_address(&server->dhcp6_src_address, src_address);
- }
+ const fib_route_path_t path_for_us = {
+ .frp_proto = FIB_PROTOCOL_IP6,
+ .frp_addr = zero_addr,
+ .frp_sw_if_index = 0xffffffff,
+ .frp_fib_index = ~0,
+ .frp_weight = 0,
+ .frp_flags = FIB_ROUTE_PATH_LOCAL,
+ };
+ if (dhcp_proxy_server_add (FIB_PROTOCOL_IP6, addr, src_addr,
+ rx_fib_index, server_table_id))
+ {
+ mfib_table_entry_path_update(rx_fib_index,
+ &all_dhcp_servers,
+ MFIB_SOURCE_DHCP,
+ &path_for_us,
+ MFIB_ITF_FLAG_FORWARD);
+ /*
+ * Each interface that is enabled in this table, needs to be added
+ * as an accepting interface, but this is not easily doable in VPP.
+ * So we cheat. Add a flag to the entry that indicates accept form
+ * any interface.
+ * We will still only accept on v6 enabled interfaces, since the
+ * input feature ensures this.
+ */
+ mfib_table_entry_update(rx_fib_index,
+ &all_dhcp_servers,
+ MFIB_SOURCE_DHCP,
+ MFIB_ENTRY_FLAG_ACCEPT_ALL_ITF);
+ mfib_table_lock(rx_fib_index, FIB_PROTOCOL_IP6);
+ }
+ }
-out:
mfib_table_unlock(rx_fib_index, FIB_PROTOCOL_IP6);
return (rc);
@@ -921,22 +827,22 @@ dhcpv6_proxy_set_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
- ip6_address_t addr, src_addr;
+ ip46_address_t addr, src_addr;
int set_server = 0, set_src_address = 0;
- u32 rx_fib_id = 0, server_fib_id = 0;
+ u32 rx_table_id = 0, server_table_id = 0;
int is_del = 0;
while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "server %U",
- unformat_ip6_address, &addr))
+ unformat_ip6_address, &addr.ip6))
set_server = 1;
else if (unformat(input, "src-address %U",
- unformat_ip6_address, &src_addr))
+ unformat_ip6_address, &src_addr.ip6))
set_src_address =1;
- else if (unformat (input, "server-fib-id %d", &server_fib_id))
+ else if (unformat (input, "server-fib-id %d", &server_table_id))
;
- else if (unformat (input, "rx-fib-id %d", &rx_fib_id))
+ else if (unformat (input, "rx-fib-id %d", &rx_table_id))
;
else if (unformat (input, "delete") ||
unformat (input, "del"))
@@ -949,8 +855,8 @@ dhcpv6_proxy_set_command_fn (vlib_main_t * vm,
{
int rv;
- rv = dhcpv6_proxy_set_server (&addr, &src_addr, rx_fib_id,
- server_fib_id, is_del);
+ rv = dhcp6_proxy_set_server (&addr, &src_addr, rx_table_id,
+ server_table_id, is_del);
//TODO: Complete the errors
switch (rv)
@@ -958,8 +864,15 @@ dhcpv6_proxy_set_command_fn (vlib_main_t * vm,
case 0:
return 0;
- case -1:
- return clib_error_return (0, "FIB id %d does not exist", server_fib_id);
+ case VNET_API_ERROR_INVALID_DST_ADDRESS:
+ return clib_error_return (0, "Invalid server address");
+
+ case VNET_API_ERROR_INVALID_SRC_ADDRESS:
+ return clib_error_return (0, "Invalid src address");
+
+ case VNET_API_ERROR_NO_SUCH_ENTRY:
+ return clib_error_return
+ (0, "Fib id %d: no per-fib DHCP server configured", rx_table_id);
default:
return clib_error_return (0, "BUG: rv %d", rv);
@@ -977,62 +890,51 @@ VLIB_CLI_COMMAND (dhcpv6_proxy_set_command, static) = {
.function = dhcpv6_proxy_set_command_fn,
};
-u8 * format_dhcpv6_proxy_server (u8 * s, va_list * args)
+static u8 *
+format_dhcp6_proxy_server (u8 * s, va_list * args)
{
- dhcpv6_proxy_main_t * dm = va_arg (*args, dhcpv6_proxy_main_t *);
- dhcpv6_server_t * server = va_arg (*args, dhcpv6_server_t *);
- u32 rx_fib_index = va_arg (*args, u32);
+ dhcp_server_t * server = va_arg (*args, dhcp_server_t *);
ip6_fib_t * rx_fib, * server_fib;
- u32 server_fib_id = (u32)~0, rx_fib_id = ~0;
- if (dm == 0)
+ if (NULL == server)
{
s = format (s, "%=40s%=40s%=14s%=14s", "Server Address", "Source Address",
"Server FIB", "RX FIB");
return s;
}
- server_fib = ip6_fib_get(server->server_fib6_index);
- if (server_fib)
- server_fib_id= server_fib->table_id;
-
- rx_fib= ip6_fib_get(rx_fib_index);
+ server_fib = ip6_fib_get(server->server_fib_index);
+ rx_fib = ip6_fib_get(server->rx_fib_index);
- if (rx_fib)
- rx_fib_id = rx_fib->table_id;
s = format (s, "%=40U%=40U%=14u%=14u",
- format_ip6_address, &server->dhcp6_server,
- format_ip6_address, &server->dhcp6_src_address,
- server_fib_id, rx_fib_id);
+ format_ip46_address, &server->dhcp_server, IP46_TYPE_ANY,
+ format_ip46_address, &server->dhcp_src_address, IP46_TYPE_ANY,
+ server_fib->table_id, rx_fib->table_id);
return s;
}
+static int
+dhcp6_proxy_show_walk (dhcp_server_t *server,
+ void *ctx)
+{
+ vlib_main_t * vm = ctx;
+
+ vlib_cli_output (vm, "%U", format_dhcp6_proxy_server, server);
+
+ return (1);
+}
+
static clib_error_t *
dhcpv6_proxy_show_command_fn (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
- dhcpv6_proxy_main_t * dpm = &dhcpv6_proxy_main;
- int i;
- u32 server_index;
- dhcpv6_server_t * server;
-
- vlib_cli_output (vm, "%U", format_dhcpv6_proxy_server, 0 /* header line */,
- 0, 0);
- vec_foreach_index (i, dpm->dhcp6_server_index_by_rx_fib_index)
- {
- server_index = dpm->dhcp6_server_index_by_rx_fib_index[i];
- if (~0 == server_index)
- continue;
+ vlib_cli_output (vm, "%U", format_dhcp6_proxy_server, NULL /* header line */);
- server = pool_elt_at_index (dpm->dhcp6_servers, server_index);
-
- vlib_cli_output (vm, "%U", format_dhcpv6_proxy_server, dpm,
- server, i);
- }
+ dhcp_proxy_walk(FIB_PROTOCOL_IP6, dhcp6_proxy_show_walk, vm);
- return 0;
+ return (NULL);
}
VLIB_CLI_COMMAND (dhcpv6_proxy_show_command, static) = {
@@ -1041,111 +943,10 @@ VLIB_CLI_COMMAND (dhcpv6_proxy_show_command, static) = {
.function = dhcpv6_proxy_show_command_fn,
};
-void
-dhcpv6_proxy_dump (void *opaque,
- u32 context)
-{
- dhcpv6_proxy_main_t * dpm = &dhcpv6_proxy_main;
- ip6_fib_t *s_fib, *r_fib;
- dhcpv6_server_t * server;
- u32 server_index, i;
- dhcpv6_vss_info *v;
-
- vec_foreach_index (i, dpm->dhcp6_server_index_by_rx_fib_index)
- {
- server_index = dpm->dhcp6_server_index_by_rx_fib_index[i];
- if (~0 == server_index)
- continue;
-
- server = pool_elt_at_index (dpm->dhcp6_servers, server_index);
- v = dhcpv6_get_vss_info(dpm, i);
-
- ip46_address_t src_addr = {
- .ip6 = server->dhcp6_src_address,
- };
- ip46_address_t server_addr = {
- .ip6 = server->dhcp6_server,
- };
-
- s_fib = ip6_fib_get(server->server_fib6_index);
- r_fib = ip6_fib_get(i);
-
- dhcp_send_details(opaque,
- context,
- &server_addr,
- &src_addr,
- s_fib->table_id,
- r_fib->table_id,
- (v ? v->vpn_id.fib_id : 0),
- (v ? v->vpn_id.oui : 0));
- }
-}
-
-int dhcpv6_proxy_set_vss(u32 tbl_id,
- u32 oui,
- u32 fib_id,
- int is_del)
-{
- dhcpv6_proxy_main_t *dm = &dhcpv6_proxy_main;
- dhcpv6_vss_info *v = NULL;
- u32 rx_fib_index;
- int rc = 0;
-
- rx_fib_index = ip6_fib_table_find_or_create_and_lock(tbl_id);
- v = dhcpv6_get_vss_info(dm, rx_fib_index);
-
- if (NULL != v)
- {
- if (is_del)
- {
- /* release the lock held on the table when the VSS
- * info was created */
- fib_table_unlock (rx_fib_index,
- FIB_PROTOCOL_IP6);
-
- pool_put (dm->vss, v);
- dm->vss_index_by_rx_fib_index[rx_fib_index] = ~0;
- }
- else
- {
- /* this is a modify */
- v->vpn_id.fib_id = fib_id;
- v->vpn_id.oui = oui;
- }
- }
- else
- {
- if (is_del)
- rc = VNET_API_ERROR_NO_SUCH_ENTRY;
- else
- {
- /* create a new entry */
- vec_validate_init_empty(dm->vss_index_by_rx_fib_index,
- rx_fib_index, ~0);
-
- /* hold a lock on the table whilst the VSS info exist */
- fib_table_lock (rx_fib_index,
- FIB_PROTOCOL_IP6);
-
- pool_get (dm->vss, v);
- v->vpn_id.fib_id = fib_id;
- v->vpn_id.oui = oui;
- dm->vss_index_by_rx_fib_index[rx_fib_index] = v - dm->vss;
- }
- }
-
- /* Release the lock taken during the create_or_lock at the start */
- fib_table_unlock (rx_fib_index,
- FIB_PROTOCOL_IP6);
-
- return (rc);
-}
-
-
static clib_error_t *
dhcpv6_vss_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
int is_del = 0, got_new_vss=0;
u32 oui=0;
@@ -1172,7 +973,7 @@ dhcpv6_vss_command_fn (vlib_main_t * vm,
{
int rv;
- rv = dhcpv6_proxy_set_vss(tbl_id, oui, fib_id, is_del);
+ rv = dhcp_proxy_set_vss(FIB_PROTOCOL_IP6, tbl_id, oui, fib_id, is_del);
switch (rv)
{
case 0:
@@ -1208,24 +1009,9 @@ dhcpv6_vss_show_command_fn (vlib_main_t * vm,
vlib_cli_command_t * cmd)
{
- dhcpv6_proxy_main_t * dm = &dhcpv6_proxy_main;
- dhcpv6_vss_info *v;
- ip6_fib_t *fib;
- u32 *fib_index;
+ dhcp_vss_walk(FIB_PROTOCOL_IP6, dhcp_vss_show_walk, vm);
- vlib_cli_output (vm, "%=6s%=6s%=12s","Table", "OUI", "VPN ID");
- pool_foreach (fib_index, dm->vss_index_by_rx_fib_index,
- ({
- fib = ip6_fib_get (*fib_index);
- v = pool_elt_at_index (dm->vss, *fib_index);
-
- vlib_cli_output (vm, "%=6d%=6d%=12d",
- fib->table_id,
- v->vpn_id.oui,
- v->vpn_id.fib_id);
- }));
-
- return 0;
+ return (NULL);
}
VLIB_CLI_COMMAND (dhcpv6_proxy_vss_show_command, static) = {
@@ -1240,17 +1026,16 @@ dhcpv6_link_address_show_command_fn (vlib_main_t * vm,
vlib_cli_command_t * cmd)
{
- dhcpv6_proxy_main_t *dm = &dhcpv6_proxy_main;
vnet_main_t *vnm = vnet_get_main();
u32 sw_if_index0=0, sw_if_index;
- ip6_address_t *ia0;
vnet_sw_interface_t *swif;
+ ip6_address_t *ia0;
while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
{
if (unformat(input, "%U",
- unformat_vnet_sw_interface, dm->vnet_main, &sw_if_index0))
+ unformat_vnet_sw_interface, vnm, &sw_if_index0))
{
swif = vnet_get_sw_interface (vnm, sw_if_index0);
sw_if_index = (swif->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED) ?
@@ -1261,11 +1046,11 @@ dhcpv6_link_address_show_command_fn (vlib_main_t * vm,
vlib_cli_output (vm, "%=20s%=48s", "interface", "link-address");
vlib_cli_output (vm, "%=20U%=48U",
- format_vnet_sw_if_index_name, dm->vnet_main, sw_if_index0,
+ format_vnet_sw_if_index_name, vnm, sw_if_index0,
format_ip6_address, ia0);
} else
vlib_cli_output (vm, "%=34s%=20U", "No IPv6 address configured on",
- format_vnet_sw_if_index_name, dm->vnet_main, sw_if_index);
+ format_vnet_sw_if_index_name, vnm, sw_if_index);
} else
break;
}
diff --git a/src/vnet/dhcp/dhcp_api.c b/src/vnet/dhcp/dhcp_api.c
index ce9039b7557..bdf02cae799 100644
--- a/src/vnet/dhcp/dhcp_api.c
+++ b/src/vnet/dhcp/dhcp_api.c
@@ -22,9 +22,8 @@
#include <vnet/interface.h>
#include <vnet/api_errno.h>
-#include <vnet/dhcp/proxy.h>
+#include <vnet/dhcp/dhcp_proxy.h>
#include <vnet/dhcp/client.h>
-#include <vnet/dhcpv6/proxy.h>
#include <vnet/vnet_msg_enum.h>
@@ -51,52 +50,19 @@ _(DHCP_PROXY_DETAILS,dhcp_proxy_details) \
_(DHCP_PROXY_SET_VSS,dhcp_proxy_set_vss) \
_(DHCP_CLIENT_CONFIG, dhcp_client_config)
-static void
-dhcpv4_proxy_config (vl_api_dhcp_proxy_config_t * mp)
-{
- vl_api_dhcp_proxy_config_reply_t *rmp;
- int rv;
-
- rv = dhcp_proxy_set_server ((ip4_address_t *) (&mp->dhcp_server),
- (ip4_address_t *) (&mp->dhcp_src_address),
- (u32) ntohl (mp->rx_vrf_id),
- (u32) ntohl (mp->server_vrf_id),
- (int) (mp->is_add == 0));
-
- REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_REPLY);
-}
-
-
-static void
-dhcpv6_proxy_config (vl_api_dhcp_proxy_config_t * mp)
-{
- vl_api_dhcp_proxy_config_reply_t *rmp;
- int rv = -1;
-
- rv = dhcpv6_proxy_set_server ((ip6_address_t *) (&mp->dhcp_server),
- (ip6_address_t *) (&mp->dhcp_src_address),
- (u32) ntohl (mp->rx_vrf_id),
- (u32) ntohl (mp->server_vrf_id),
- (int) (mp->is_add == 0));
-
- REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_REPLY);
-}
-
static void
vl_api_dhcp_proxy_set_vss_t_handler (vl_api_dhcp_proxy_set_vss_t * mp)
{
vl_api_dhcp_proxy_set_vss_reply_t *rmp;
int rv;
- if (!mp->is_ipv6)
- rv = dhcp_proxy_set_option82_vss (ntohl (mp->tbl_id),
- ntohl (mp->oui),
- ntohl (mp->fib_id),
- (int) mp->is_add == 0);
- else
- rv = dhcpv6_proxy_set_vss (ntohl (mp->tbl_id),
- ntohl (mp->oui),
- ntohl (mp->fib_id), (int) mp->is_add == 0);
+
+ rv = dhcp_proxy_set_vss ((mp->is_ipv6 ?
+ FIB_PROTOCOL_IP6 :
+ FIB_PROTOCOL_IP4),
+ ntohl (mp->tbl_id),
+ ntohl (mp->oui),
+ ntohl (mp->fib_id), (int) mp->is_add == 0);
REPLY_MACRO (VL_API_DHCP_PROXY_SET_VSS_REPLY);
}
@@ -105,10 +71,38 @@ vl_api_dhcp_proxy_set_vss_t_handler (vl_api_dhcp_proxy_set_vss_t * mp)
static void vl_api_dhcp_proxy_config_t_handler
(vl_api_dhcp_proxy_config_t * mp)
{
- if (mp->is_ipv6 == 0)
- dhcpv4_proxy_config (mp);
+ vl_api_dhcp_proxy_set_vss_reply_t *rmp;
+ ip46_address_t src, server;
+ int rv = -1;
+
+ if (mp->is_ipv6)
+ {
+ clib_memcpy (&src.ip6, mp->dhcp_src_address, sizeof (src.ip6));
+ clib_memcpy (&server.ip6, mp->dhcp_server, sizeof (server.ip6));
+
+ rv = dhcp6_proxy_set_server (&server,
+ &src,
+ (u32) ntohl (mp->rx_vrf_id),
+ (u32) ntohl (mp->server_vrf_id),
+ (int) (mp->is_add == 0));
+ }
else
- dhcpv6_proxy_config (mp);
+ {
+ ip46_address_reset (&src);
+ ip46_address_reset (&server);
+
+ clib_memcpy (&src.ip4, mp->dhcp_src_address, sizeof (src.ip4));
+ clib_memcpy (&server.ip4, mp->dhcp_server, sizeof (server.ip4));
+
+ rv = dhcp4_proxy_set_server (&server,
+ &src,
+ (u32) ntohl (mp->rx_vrf_id),
+ (u32) ntohl (mp->server_vrf_id),
+ (int) (mp->is_add == 0));
+ }
+
+
+ REPLY_MACRO (VL_API_DHCP_PROXY_CONFIG_REPLY);
}
static void
@@ -120,14 +114,13 @@ vl_api_dhcp_proxy_dump_t_handler (vl_api_dhcp_proxy_dump_t * mp)
if (q == 0)
return;
- if (mp->is_ip6 == 0)
- dhcp_proxy_dump (q, mp->context);
- else
- dhcpv6_proxy_dump (q, mp->context);
+ dhcp_proxy_dump ((mp->is_ip6 == 0 ?
+ FIB_PROTOCOL_IP6 : FIB_PROTOCOL_IP4), q, mp->context);
}
void
-dhcp_send_details (void *opaque,
+dhcp_send_details (fib_protocol_t proto,
+ void *opaque,
u32 context,
const ip46_address_t * server,
const ip46_address_t * src,
@@ -149,7 +142,7 @@ dhcp_send_details (void *opaque,
mp->vss_oui = htonl (vss_oui);
mp->vss_fib_id = htonl (vss_fib_id);
- mp->is_ipv6 = !ip46_address_is_ip4 (server);
+ mp->is_ipv6 = (proto == FIB_PROTOCOL_IP6);
if (mp->is_ipv6)
{
diff --git a/src/vnet/dhcp/dhcp_proxy.c b/src/vnet/dhcp/dhcp_proxy.c
new file mode 100644
index 00000000000..da2deea65f6
--- /dev/null
+++ b/src/vnet/dhcp/dhcp_proxy.c
@@ -0,0 +1,275 @@
+/*
+ * proxy_node.c: common dhcp v4 and v6 proxy node processing
+ *
+ * Copyright (c) 2013 Cisco 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:
+ *
+ * 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,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/dhcp/dhcp_proxy.h>
+#include <vnet/fib/fib_table.h>
+
+/**
+ * @brief Shard 4/6 instance of DHCP main
+ */
+dhcp_proxy_main_t dhcp_proxy_main;
+
+void
+dhcp_proxy_walk (fib_protocol_t proto,
+ dhcp_proxy_walk_fn_t fn,
+ void *ctx)
+{
+ dhcp_proxy_main_t * dpm = &dhcp_proxy_main;
+ dhcp_server_t * server;
+ u32 server_index, i;
+
+ vec_foreach_index (i, dpm->dhcp_server_index_by_rx_fib_index[proto])
+ {
+ server_index = dpm->dhcp_server_index_by_rx_fib_index[proto][i];
+ if (~0 == server_index)
+ continue;
+
+ server = pool_elt_at_index (dpm->dhcp_servers[proto], server_index);
+
+ if (!fn(server, ctx))
+ break;
+ }
+}
+
+void
+dhcp_vss_walk (fib_protocol_t proto,
+ dhcp_vss_walk_fn_t fn,
+ void *ctx)
+{
+ dhcp_proxy_main_t * dpm = &dhcp_proxy_main;
+ dhcp_vss_t * vss;
+ u32 vss_index, i;
+ fib_table_t *fib;
+
+
+ vec_foreach_index (i, dpm->vss_index_by_rx_fib_index[proto])
+ {
+ vss_index = dpm->vss_index_by_rx_fib_index[proto][i];
+ if (~0 == vss_index)
+ continue;
+
+ vss = pool_elt_at_index (dpm->vss[proto], vss_index);
+
+ fib = fib_table_get(i, proto);
+
+ if (!fn(vss, fib->ft_table_id, ctx))
+ break;
+ }
+}
+
+int
+dhcp_proxy_server_del (fib_protocol_t proto,
+ u32 rx_fib_index)
+{
+ dhcp_proxy_main_t * dpm = &dhcp_proxy_main;
+ dhcp_server_t * server = 0;
+ int rc = 0;
+
+ server = dhcp_get_server(dpm, rx_fib_index, proto);
+
+ if (NULL == server)
+ {
+ rc = VNET_API_ERROR_NO_SUCH_ENTRY;
+ }
+ else
+ {
+ /* Use the default server again. */
+ dpm->dhcp_server_index_by_rx_fib_index[proto][rx_fib_index] = ~0;
+
+ fib_table_unlock (server->server_fib_index, proto);
+
+ pool_put (dpm->dhcp_servers[proto], server);
+ }
+
+ return (rc);
+}
+
+int
+dhcp_proxy_server_add (fib_protocol_t proto,
+ ip46_address_t *addr,
+ ip46_address_t *src_address,
+ u32 rx_fib_index,
+ u32 server_table_id)
+{
+ dhcp_proxy_main_t * dpm = &dhcp_proxy_main;
+ dhcp_server_t * server = 0;
+ int new = 0;
+
+ server = dhcp_get_server(dpm, rx_fib_index, proto);
+
+ if (NULL == server)
+ {
+ vec_validate_init_empty(dpm->dhcp_server_index_by_rx_fib_index[proto],
+ rx_fib_index,
+ ~0);
+
+ pool_get (dpm->dhcp_servers[proto], server);
+ memset (server, 0, sizeof (*server));
+ new = 1;
+
+ dpm->dhcp_server_index_by_rx_fib_index[proto][rx_fib_index] =
+ server - dpm->dhcp_servers[proto];
+
+ server->rx_fib_index = rx_fib_index;
+ server->server_fib_index =
+ fib_table_find_or_create_and_lock(proto, server_table_id);
+ }
+ else
+ {
+ /* modify, may need to swap server FIBs */
+ u32 tmp_index;
+
+ tmp_index = fib_table_find(proto, server_table_id);
+
+ if (tmp_index != server->server_fib_index)
+ {
+ tmp_index = server->server_fib_index;
+
+ /* certainly swapping if the fib doesn't exist */
+ server->server_fib_index =
+ fib_table_find_or_create_and_lock(proto, server_table_id);
+ fib_table_unlock (tmp_index, proto);
+ }
+ }
+
+ server->dhcp_server = *addr;
+ server->dhcp_src_address = *src_address;
+
+ return (new);
+}
+
+typedef struct dhcp4_proxy_dump_walk_ctx_t_
+{
+ fib_protocol_t proto;
+ void *opaque;
+ u32 context;
+} dhcp_proxy_dump_walk_cxt_t;
+
+static int
+dhcp_proxy_dump_walk (dhcp_server_t *server,
+ void *arg)
+{
+ dhcp_proxy_dump_walk_cxt_t *ctx = arg;
+ fib_table_t *s_fib, *r_fib;
+ dhcp_vss_t *v;
+
+ v = dhcp_get_vss_info(&dhcp_proxy_main,
+ server->rx_fib_index,
+ ctx->proto);
+
+ s_fib = fib_table_get(server->server_fib_index, ctx->proto);
+ r_fib = fib_table_get(server->rx_fib_index, ctx->proto);
+
+ dhcp_send_details(ctx->proto,
+ ctx->opaque,
+ ctx->context,
+ &server->dhcp_server,
+ &server->dhcp_src_address,
+ s_fib->ft_table_id,
+ r_fib->ft_table_id,
+ (v ? v->fib_id : 0),
+ (v ? v->oui : 0));
+
+ return (1);
+}
+
+void
+dhcp_proxy_dump (fib_protocol_t proto,
+ void *opaque,
+ u32 context)
+{
+ dhcp_proxy_dump_walk_cxt_t ctx = {
+ .proto = proto,
+ .opaque = opaque,
+ .context = context,
+ };
+ dhcp_proxy_walk(proto, dhcp_proxy_dump_walk, &ctx);
+}
+
+int
+dhcp_vss_show_walk (dhcp_vss_t *vss,
+ u32 rx_table_id,
+ void *ctx)
+{
+ vlib_main_t * vm = ctx;
+
+ vlib_cli_output (vm, "%=6d%=6d%=12d",
+ rx_table_id,
+ vss->oui,
+ vss->fib_id);
+
+ return (1);
+}
+
+int dhcp_proxy_set_vss (fib_protocol_t proto,
+ u32 tbl_id,
+ u32 oui,
+ u32 fib_id,
+ int is_del)
+{
+ dhcp_proxy_main_t *dm = &dhcp_proxy_main;
+ dhcp_vss_t *v = NULL;
+ u32 rx_fib_index;
+ int rc = 0;
+
+ rx_fib_index = fib_table_find_or_create_and_lock(proto, tbl_id);
+ v = dhcp_get_vss_info(dm, rx_fib_index, proto);
+
+ if (NULL != v)
+ {
+ if (is_del)
+ {
+ /* release the lock held on the table when the VSS
+ * info was created */
+ fib_table_unlock (rx_fib_index, proto);
+
+ pool_put (dm->vss[proto], v);
+ dm->vss_index_by_rx_fib_index[proto][rx_fib_index] = ~0;
+ }
+ else
+ {
+ /* this is a modify */
+ v->fib_id = fib_id;
+ v->oui = oui;
+ }
+ }
+ else
+ {
+ if (is_del)
+ rc = VNET_API_ERROR_NO_SUCH_ENTRY;
+ else
+ {
+ /* create a new entry */
+ vec_validate_init_empty(dm->vss_index_by_rx_fib_index[proto],
+ rx_fib_index, ~0);
+
+ /* hold a lock on the table whilst the VSS info exist */
+ fib_table_lock (rx_fib_index, proto);
+
+ pool_get (dm->vss[proto], v);
+ v->fib_id = fib_id;
+ v->oui = oui;
+ dm->vss_index_by_rx_fib_index[proto][rx_fib_index] =
+ v - dm->vss[proto];
+ }
+ }
+
+ /* Release the lock taken during the create_or_lock at the start */
+ fib_table_unlock (rx_fib_index, proto);
+
+ return (rc);
+}
diff --git a/src/vnet/dhcp/dhcp_proxy.h b/src/vnet/dhcp/dhcp_proxy.h
new file mode 100644
index 00000000000..c0d79c41af6
--- /dev/null
+++ b/src/vnet/dhcp/dhcp_proxy.h
@@ -0,0 +1,248 @@
+/*
+ * dhcp_proxy.h: DHCP v4 & v6 proxy common functions/types
+ *
+ * Copyright (c) 2013 Cisco 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:
+ *
+ * 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,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef included_dhcp_proxy_h
+#define included_dhcp_proxy_h
+
+#include <vnet/vnet.h>
+#include <vnet/dhcp/dhcp4_packet.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ip/ip4.h>
+#include <vnet/ip/ip4_packet.h>
+#include <vnet/pg/pg.h>
+#include <vnet/ip/format.h>
+#include <vnet/ip/udp.h>
+
+typedef enum {
+#define dhcp_proxy_error(n,s) DHCP_PROXY_ERROR_##n,
+#include <vnet/dhcp/dhcp4_proxy_error.def>
+#undef dhcp_proxy_error
+ DHCP_PROXY_N_ERROR,
+} dhcp_proxy_error_t;
+
+typedef enum {
+#define dhcpv6_proxy_error(n,s) DHCPV6_PROXY_ERROR_##n,
+#include <vnet/dhcp/dhcp6_proxy_error.def>
+#undef dhcpv6_proxy_error
+ DHCPV6_PROXY_N_ERROR,
+} dhcpv6_proxy_error_t;
+
+
+/**
+ * @brief The Virtual Sub-net Selection information for a given RX FIB
+ */
+typedef struct dhcp_vss_t_ {
+ /**
+ * @brief ?? RFC doesn't say
+ */
+ u32 oui;
+ /**
+ * @brief VPN-ID
+ */
+ u32 fib_id;
+} dhcp_vss_t;
+
+/**
+ * @brief A DHCP proxy server represenation
+ */
+typedef struct dhcp_server_t_ {
+ /**
+ * @brief The address of the DHCP server to which to relay the client's
+ * messages
+ */
+ ip46_address_t dhcp_server;
+
+ /**
+ * @brief The source address to use in relayed messaes
+ */
+ ip46_address_t dhcp_src_address;
+
+ /**
+ * @brief The FIB index (not the external Table-ID) in which the server
+ * is reachable.
+ */
+ u32 server_fib_index;
+
+ /**
+ * @brief The FIB index (not the external Table-ID) in which the client
+ * is resides.
+ */
+ u32 rx_fib_index;
+} dhcp_server_t;
+
+#define DHCP_N_PROTOS (FIB_PROTOCOL_IP6 + 1)
+
+/**
+ * @brief Collection of global DHCP proxy data
+ */
+typedef struct {
+ /* Pool of DHCP servers */
+ dhcp_server_t *dhcp_servers[DHCP_N_PROTOS];
+
+ /* Pool of selected DHCP server. Zero is the default server */
+ u32 * dhcp_server_index_by_rx_fib_index[DHCP_N_PROTOS];
+
+ /* to drop pkts in server-to-client direction */
+ u32 error_drop_node_index;
+
+ dhcp_vss_t *vss[DHCP_N_PROTOS];
+
+ /* hash lookup specific vrf_id -> option 82 vss suboption */
+ u32 *vss_index_by_rx_fib_index[DHCP_N_PROTOS];
+
+} dhcp_proxy_main_t;
+
+extern dhcp_proxy_main_t dhcp_proxy_main;
+
+/**
+ * @brief Send the details of a proxy session to the API client during a dump
+ */
+void dhcp_send_details (fib_protocol_t proto,
+ void *opaque,
+ u32 context,
+ const ip46_address_t *server,
+ const ip46_address_t *src,
+ u32 server_fib_id,
+ u32 rx_fib_id,
+ u32 vss_fib_id,
+ u32 vss_oui);
+
+/**
+ * @brief Show (on CLI) a VSS config during a show walk
+ */
+int dhcp_vss_show_walk (dhcp_vss_t *vss,
+ u32 rx_table_id,
+ void *ctx);
+
+/**
+ * @brief Configure/set a new VSS info
+ */
+int dhcp_proxy_set_vss(fib_protocol_t proto,
+ u32 vrf_id,
+ u32 oui,
+ u32 fib_id,
+ int is_del);
+
+/**
+ * @brief Dump the proxy configs to the API
+ */
+void dhcp_proxy_dump(fib_protocol_t proto,
+ void *opaque,
+ u32 context);
+
+/**
+ * @brief Add a new DHCP proxy server configuration.
+ * @return 1 is the config is new,
+ * 0 otherwise (implying a modify of an existing)
+ */
+int dhcp_proxy_server_add(fib_protocol_t proto,
+ ip46_address_t *addr,
+ ip46_address_t *src_address,
+ u32 rx_fib_iindex,
+ u32 server_table_id);
+
+/**
+ * @brief Delete a DHCP proxy config
+ * @return 0 is deleted, otherwise an error code
+ */
+int dhcp_proxy_server_del(fib_protocol_t proto,
+ u32 rx_fib_index);
+
+/**
+ * @brief Callback function invoked for each DHCP proxy entry
+ * return 0 to break the walk, non-zero otherwise.
+ */
+typedef int (*dhcp_proxy_walk_fn_t)(dhcp_server_t *server,
+ void *ctx);
+
+/**
+ * @brief Walk/Visit each DHCP proxy server
+ */
+void dhcp_proxy_walk(fib_protocol_t proto,
+ dhcp_proxy_walk_fn_t fn,
+ void *ctx);
+
+/**
+ * @brief Callback function invoked for each DHCP VSS entry
+ * return 0 to break the walk, non-zero otherwise.
+ */
+typedef int (*dhcp_vss_walk_fn_t)(dhcp_vss_t *server,
+ u32 rx_table_id,
+ void *ctx);
+
+/**
+ * @brief Walk/Visit each DHCP proxy VSS
+ */
+void dhcp_vss_walk(fib_protocol_t proto,
+ dhcp_vss_walk_fn_t fn,
+ void *ctx);
+
+/**
+ * @brief Get the VSS data for the FIB index
+ */
+static inline dhcp_vss_t *
+dhcp_get_vss_info (dhcp_proxy_main_t *dm,
+ u32 rx_fib_index,
+ fib_protocol_t proto)
+{
+ dhcp_vss_t *v = NULL;
+
+ if (vec_len(dm->vss_index_by_rx_fib_index[proto]) > rx_fib_index &&
+ dm->vss_index_by_rx_fib_index[proto][rx_fib_index] != ~0)
+ {
+ v = pool_elt_at_index (
+ dm->vss[proto],
+ dm->vss_index_by_rx_fib_index[proto][rx_fib_index]);
+ }
+
+ return (v);
+}
+
+/**
+ * @brief Get the DHCP proxy server data for the FIB index
+ */
+static inline dhcp_server_t *
+dhcp_get_server (dhcp_proxy_main_t *dm,
+ u32 rx_fib_index,
+ fib_protocol_t proto)
+{
+ dhcp_server_t *s = NULL;
+
+ if (vec_len(dm->dhcp_server_index_by_rx_fib_index[proto]) > rx_fib_index &&
+ dm->dhcp_server_index_by_rx_fib_index[proto][rx_fib_index] != ~0)
+ {
+ s = pool_elt_at_index (
+ dm->dhcp_servers[proto],
+ dm->dhcp_server_index_by_rx_fib_index[proto][rx_fib_index]);
+ }
+
+ return (s);
+}
+
+int dhcp6_proxy_set_server (ip46_address_t *addr,
+ ip46_address_t *src_addr,
+ u32 rx_table_id,
+ u32 server_table_id,
+ int is_del);
+int dhcp4_proxy_set_server (ip46_address_t *addr,
+ ip46_address_t *src_addr,
+ u32 rx_table_id,
+ u32 server_table_id,
+ int is_del);
+
+#endif /* included_dhcp_proxy_h */
diff --git a/src/vnet/dhcp/proxy.h b/src/vnet/dhcp/proxy.h
deleted file mode 100644
index 4b115c741ff..00000000000
--- a/src/vnet/dhcp/proxy.h
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * proxy.h: dhcp proxy
- *
- * Copyright (c) 2013 Cisco 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:
- *
- * 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,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef included_dhcp_proxy_h
-#define included_dhcp_proxy_h
-
-#include <vnet/vnet.h>
-#include <vnet/dhcp/packet.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ip/ip4.h>
-#include <vnet/ip/ip4_packet.h>
-#include <vnet/pg/pg.h>
-#include <vnet/ip/format.h>
-#include <vnet/ip/udp.h>
-
-typedef enum {
-#define dhcp_proxy_error(n,s) DHCP_PROXY_ERROR_##n,
-#include <vnet/dhcp/proxy_error.def>
-#undef dhcp_proxy_error
- DHCP_PROXY_N_ERROR,
-} dhcp_proxy_error_t;
-
-typedef struct {
- u32 oui;
- u32 fib_id;
-} vss_id;
-
-typedef union {
- u8 as_u8[8];
- vss_id vpn_id;
-} vss_info;
-
-typedef struct {
- ip4_address_t dhcp_server;
- ip4_address_t dhcp_src_address;
- u32 server_fib_index;
-} dhcp_server_t;
-
-typedef struct {
- /* Pool of DHCP servers */
- dhcp_server_t * dhcp_servers;
-
- /* Pool of selected DHCP server. Zero is the default server */
- u32 * dhcp_server_index_by_rx_fib_index;
-
- /* to drop pkts in server-to-client direction */
- u32 error_drop_node_index;
-
- vss_info *vss;
-
- /* hash lookup specific vrf_id -> option 82 vss suboption */
- u32 *vss_index_by_rx_fib_index;
-
- /* convenience */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
-} dhcp_proxy_main_t;
-
-extern dhcp_proxy_main_t dhcp_proxy_main;
-
-void dhcp_send_details (void *opaque,
- u32 context,
- const ip46_address_t *server,
- const ip46_address_t *src,
- u32 server_fib_id,
- u32 rx_fib_id,
- u32 vss_fib_id,
- u32 vss_oui);
-
-int dhcp_proxy_set_server (ip4_address_t *addr,
- ip4_address_t *src_address,
- u32 fib_id,
- u32 server_fib_id,
- int is_del);
-
-int dhcp_proxy_set_option82_vss(u32 vrf_id,
- u32 oui,
- u32 fib_id,
- int is_del);
-
-void dhcp_proxy_dump(void *opaque,
- u32 context);
-
-#endif /* included_dhcp_proxy_h */
diff --git a/src/vnet/dhcpv6/proxy.h b/src/vnet/dhcpv6/proxy.h
deleted file mode 100644
index 77ced3619c4..00000000000
--- a/src/vnet/dhcpv6/proxy.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * proxy.h: dhcp proxy
- *
- * Copyright (c) 2013 Cisco 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:
- *
- * 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,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef included_dhcpv6_proxy_h
-#define included_dhcpv6_proxy_h
-
-#include <vnet/vnet.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ip/ip4.h>
-#include <vnet/ip/ip6_packet.h>
-#include <vnet/pg/pg.h>
-#include <vnet/ip/format.h>
-#include <vnet/ip/udp.h>
-#include <vnet/dhcpv6/packet.h>
-
-typedef enum {
-#define dhcpv6_proxy_error(n,s) DHCPV6_PROXY_ERROR_##n,
-#include <vnet/dhcpv6/proxy_error.def>
-#undef dhcpv6_proxy_error
- DHCPV6_PROXY_N_ERROR,
-} dhcpv6_proxy_error_t;
-
-typedef struct {
- u32 oui;
- u32 fib_id;
-} dhcpv6_vss_id;
-
-typedef union {
- u8 as_u8[8];
- dhcpv6_vss_id vpn_id;
-} dhcpv6_vss_info;
-
-typedef struct {
- ip6_address_t dhcp6_server;
- ip6_address_t dhcp6_src_address;
- u32 server_fib6_index;
-} dhcpv6_server_t;
-
-typedef struct {
- /* Pool of DHCP servers */
- dhcpv6_server_t * dhcp6_servers;
-
- /* Pool of selected DHCP server. Zero is the default server */
- u32 * dhcp6_server_index_by_rx_fib_index;
-
- /* all DHCP servers address */
- ip6_address_t all_dhcpv6_server_address;
- ip6_address_t all_dhcpv6_server_relay_agent_address;
-
- /* to drop pkts in server-to-client direction */
- u32 error_drop_node_index;
-
- dhcpv6_vss_info *vss;
-
- /* hash lookup specific vrf_id -> VSS vector index*/
- u32 *vss_index_by_rx_fib_index;
-
- /* convenience */
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
-} dhcpv6_proxy_main_t;
-
-dhcpv6_proxy_main_t dhcpv6_proxy_main;
-
-int dhcpv6_proxy_set_vss(u32 tbl_id,
- u32 oui,
- u32 fib_id,
- int is_del);
-
-int dhcpv6_proxy_set_server(ip6_address_t *addr,
- ip6_address_t *src_address,
- u32 rx_fib_id,
- u32 server_fib_id,
- int is_del);
-
-void dhcpv6_proxy_dump(void *opaque,
- u32 context);
-
-#endif /* included_dhcpv6_proxy_h */