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authorAnand B Jyoti <anand.b.jyoti@intel.com>2017-07-28 13:11:19 +0530
committerDeepak S <deepak.s@linux.intel.com>2017-10-04 14:31:12 -0700
commit6c01f3018228e2920d26235079ee40bd8a88f5b7 (patch)
treea7a0fcba876cbad15a1c75fc48b3a33855ddddab /common/VIL/pipeline_common
parenta12bf49777c66b03354d30b66be301167a86be94 (diff)
common: Changes to common code for gateway support
JIRA: SAMPLEVNF-58 Common code changes for gateway packet forwarding. Change-Id: Ie002c94b8febab9c0923e1bb261e5ea931cd4712 Signed-off-by: Anand B Jyoti <anand.b.jyoti@intel.com>
Diffstat (limited to 'common/VIL/pipeline_common')
-rw-r--r--common/VIL/pipeline_common/pipeline_common_fe.c179
1 files changed, 144 insertions, 35 deletions
diff --git a/common/VIL/pipeline_common/pipeline_common_fe.c b/common/VIL/pipeline_common/pipeline_common_fe.c
index 5d6976b5..957f5df1 100644
--- a/common/VIL/pipeline_common/pipeline_common_fe.c
+++ b/common/VIL/pipeline_common/pipeline_common_fe.c
@@ -33,6 +33,7 @@
#include "pipeline_common_fe.h"
#include "interface.h"
#include "lib_arp.h"
+#include "gateway.h"
int
app_pipeline_ping(struct app_params *app,
@@ -541,12 +542,12 @@ app_link_down(struct app_params *app,
*/
struct cmd_routeadd_config_result {
cmdline_fixed_string_t routeadd_string;
+ cmdline_fixed_string_t type_string;
uint32_t port_id;
cmdline_ipaddr_t ip;
cmdline_fixed_string_t depth;
};
-extern struct lib_nd_route_table_entry lib_nd_route_table[MAX_ND_RT_ENTRY];
extern struct arp_data *p_arp_data;
extern uint32_t nd_route_tbl_index;
@@ -556,25 +557,48 @@ extern uint32_t nd_route_tbl_index;
int app_routeadd_config_ipv4(__attribute__((unused)) struct app_params *app,
uint32_t port_id, uint32_t ip, uint32_t mask)
{
- if (port_id > MAX_PORTS) {
- printf("Max ports allowed is %d\n", MAX_PORTS);
+ uint32_t i = 0;
+ if (port_id >= gw_get_num_ports()) {
+ printf("Max ports allowed is %d\n", gw_get_num_ports());
return 1;
}
- printf("port id:%d ip: %x mask:%x", port_id, ip, mask);
+ printf("port id:%d ip: %x mask:%x\n", port_id, ip, mask);
- struct lib_arp_route_table_entry *lentry =
- &p_arp_data->lib_arp_route_table
- [port_id];
- if (!lentry->ip)
- p_arp_data->lib_arp_route_ent_cnt++;
- lentry->ip = ip;
+ struct route_table_entry *lentry = NULL;
+
+ /* Check for matching entry */
+ for(i = 0 ; i< p_route_data[port_id]->route_ent_cnt; i++) {
+
+ lentry = &p_route_data[port_id]->route_table[i];
+
+ /* Entry already exists? */
+ if(mask == 0) {
+ if(lentry->nh == ip)
+ return 1;
+ } else {
+ if( lentry->nh_mask == (ip & mask))
+ return 1;
+ }
+ }
+ if(i < MAX_ROUTE_ENTRY_SIZE) {
+
+ lentry = &p_route_data[port_id]->route_table[i];
+
+ p_route_data[port_id]->route_ent_cnt++;
lentry->mask = mask;
lentry->port = port_id;
lentry->nh = ip;
- lentry->nh_mask = ip & mask;
+ lentry->nh_mask = (ip & mask);
+ /* Set the VNF Gateway flag */
+ vnf_gateway = 1;
+ return 0;
+ } else {
+
+ printf("Error: Number of entries more than supported\n");
+ return 1;
+ }
- return 0;
}
/*
@@ -585,8 +609,8 @@ int app_routeadd_config_ipv6(__attribute__((unused)) struct app_params *app,
{
int i;
- if (port_id > MAX_ND_RT_ENTRY) {
- printf("Max ports allowed is %d\n", MAX_ND_RT_ENTRY);
+ if (port_id >= gw_get_num_ports()) {
+ printf("Max ports allowed is %d\n", gw_get_num_ports());
return 1;
}
@@ -594,25 +618,72 @@ int app_routeadd_config_ipv6(__attribute__((unused)) struct app_params *app,
nd_route_tbl_index++;
printf("port id:%d depth:%d\n", port_id, depth);
- printf("ipv6 address ");
- for (i = 0; i < 16; i++) {
- lib_nd_route_table[port_id].ipv6[i] = ipv6[i];
- lib_nd_route_table[port_id].nhipv6[i] = ipv6[i];
- printf("%x ", ipv6[i]);
- }
+ printf("ipv6 address: ");
+ for(i = 0; i < IPV6_ADD_SIZE; i++)
+ printf("%02x ", ipv6[i]);
printf("\n");
+ struct nd_route_table_entry *lentry = NULL;
+ int k;
+ uint8_t netmask_ipv6[16], netip_nd[16], netip_in[16];
+ uint8_t depthflags = 0, depthflags1 = 0;
- lib_nd_route_table[port_id].depth = depth;
- lib_nd_route_table[port_id].port = port_id;
+ i = 0;
- printf("num ports :%d\n", nd_route_tbl_index);
+ /* Check for matching entry */
+ for(i = 0 ; i< p_nd_route_data[port_id]->nd_route_ent_cnt; i++) {
- return 0;
+ lentry = &p_nd_route_data[port_id]->nd_route_table[i];
+
+ memset(netmask_ipv6, 0, sizeof(netmask_ipv6));
+ memset(netip_nd, 0, sizeof(netip_nd));
+ memset(netip_in, 0, sizeof(netip_in));
+
+ /* Create netmask from depth */
+ convert_prefixlen_to_netmask_ipv6(lentry->depth, netmask_ipv6);
+
+ for (k = 0; k < 16; k++) {
+ if (lentry->nhipv6[k] & netmask_ipv6[k]) {
+ depthflags++;
+ netip_nd[k] = lentry->nhipv6[k];
+ }
+
+ if (ipv6[k] & netmask_ipv6[k]) {
+ depthflags1++;
+ netip_in[k] = ipv6[k];
+ }
+ }
+
+ if ((depthflags == depthflags1)
+ && (memcmp(netip_nd, netip_in, sizeof(netip_nd)) == 0)) {
+ /* Route already exists */
+ printf("Route already exists \n");
+ return 1;
+ }
+ }
+
+ if(i < MAX_ND_ROUTE_ENTRY_SIZE) {
+
+ lentry = &p_nd_route_data[port_id]->nd_route_table[i];
+
+ rte_mov16(lentry->nhipv6, ipv6);
+
+ lentry->depth = depth;
+ lentry->port = port_id;
+ p_nd_route_data[port_id]->nd_route_ent_cnt++;
+ /* Set the VNF Gateway flag */
+ vnf_gateway = 1;
+
+ return 0;
+ } else {
+
+ printf("Error: Number of entries more than supported\n");
+ return 1;
+ }
}
/*
- * cmd handler for handling route add entry at runtime.
+ * cmd handler for handling route abj entry at runtime.
* the same handle takes care of both ipv4 & ipv6
*/
static void
@@ -629,15 +700,30 @@ cmd_routeadd_parsed(
uint32_t i, ip = 0, depth = 0, mask = 0;
uint8_t ipv6[16];
+ printf("Adding route for %s \n", params->type_string);
+
if (params->ip.family == AF_INET) {
ip = rte_bswap32((uint32_t) params->ip.addr.ipv4.s_addr);
- mask = strtoul(params->depth, NULL, 16);
- printf("ip:%x mask:%x port_id:%d\n", ip, mask, port_id);
+
+ if(strcmp(params->type_string, "net") == 0)
+ {
+ mask = strtoul(params->depth, NULL, 16);
+ } else {
+ mask = 0xffffffff;
+ }
+
+ printf("nhip:0x%08x mask:%x port_id:%d\n", ip, mask, port_id);
} else {
memcpy(ipv6, params->ip.addr.ipv6.s6_addr, 16);
- depth = atoi(params->depth);
- for (i=0;i<16;i++)
- printf("%d ", ipv6[i]);
+ if(strcmp(params->type_string, "net") == 0)
+ {
+ depth = atoi(params->depth);
+ } else {
+ depth = 64;
+ }
+
+ for (i=0; i < 16; i++)
+ printf("%02x ", ipv6[i]);
printf("\n port_id:%d depth:%d \n", port_id, depth);
}
@@ -657,6 +743,14 @@ cmdline_parse_token_string_t cmd_routeadd_config_string =
TOKEN_STRING_INITIALIZER(struct cmd_routeadd_config_result, routeadd_string,
"routeadd");
+cmdline_parse_token_string_t cmd_routeadd_net_string =
+ TOKEN_STRING_INITIALIZER(struct cmd_routeadd_config_result, type_string,
+ "net");
+
+cmdline_parse_token_string_t cmd_routeadd_host_string =
+ TOKEN_STRING_INITIALIZER(struct cmd_routeadd_config_result, type_string,
+ "host");
+
cmdline_parse_token_num_t cmd_routeadd_config_port_id =
TOKEN_NUM_INITIALIZER(struct cmd_routeadd_config_result, port_id, UINT32);
@@ -666,15 +760,29 @@ cmdline_parse_token_ipaddr_t cmd_routeadd_config_ip =
cmdline_parse_token_string_t cmd_routeadd_config_depth_string =
TOKEN_STRING_INITIALIZER(struct cmd_routeadd_config_result, depth, NULL);
-cmdline_parse_inst_t cmd_routeadd = {
+cmdline_parse_inst_t cmd_routeadd_net = {
+ .f = cmd_routeadd_parsed,
+ .data = NULL,
+ .help_str = "Add Route entry for gateway",
+ .tokens = {
+ (void *) &cmd_routeadd_config_string,
+ (void *) &cmd_routeadd_net_string,
+ (void *) &cmd_routeadd_config_port_id,
+ (void *) &cmd_routeadd_config_ip,
+ (void *) &cmd_routeadd_config_depth_string,
+ NULL,
+ },
+};
+
+cmdline_parse_inst_t cmd_routeadd_host = {
.f = cmd_routeadd_parsed,
.data = NULL,
- .help_str = "Add Route entry",
+ .help_str = "Add Route entry for host",
.tokens = {
(void *) &cmd_routeadd_config_string,
+ (void *) &cmd_routeadd_host_string,
(void *) &cmd_routeadd_config_port_id,
- (void *) &cmd_routeadd_config_ip,
- (void *) &cmd_routeadd_config_depth_string,
+ (void *) &cmd_routeadd_config_ip,
NULL,
},
};
@@ -1525,7 +1633,8 @@ cmdline_parse_inst_t cmd_run = {
static cmdline_parse_ctx_t pipeline_common_cmds[] = {
(cmdline_parse_inst_t *) &cmd_quit,
(cmdline_parse_inst_t *) &cmd_run,
- (cmdline_parse_inst_t *) &cmd_routeadd,
+ (cmdline_parse_inst_t *) &cmd_routeadd_net,
+ (cmdline_parse_inst_t *) &cmd_routeadd_host,
(cmdline_parse_inst_t *) &cmd_link_config,
(cmdline_parse_inst_t *) &cmd_link_up,