#include <rte_jhash.h>
#include <rte_cycles.h>
#include <rte_timer.h>
+#include <tsx.h>
#include "interface.h"
#include "l2_proto.h"
#include "lib_arp.h"
extern uint8_t prv_in_port_a[PIPELINE_MAX_PORT_IN];
extern uint32_t timer_lcore;
+extern int USE_RTM_LOCKS;
uint32_t arp_timeout = ARP_TIMER_EXPIRY;
+uint32_t arp_buffer = ARP_BUF_DEFAULT;
/*ND IPV6 */
#define INADDRSZ 4
#define IN6ADDRSZ 16
+#define MAX_PORTS 32
+
static int my_inet_pton_ipv6(int af, const char *src, void *dst);
static int inet_pton_ipv6(const char *src, unsigned char *dst);
static int inet_pton_ipv4(const char *src, unsigned char *dst);
+static void local_arp_cache_init(void);
extern void convert_prefixlen_to_netmask_ipv6(uint32_t depth,
uint8_t netmask_ipv6[]);
struct rte_mempool *lib_arp_pktmbuf_tx_pool;
struct rte_mempool *lib_nd_pktmbuf_tx_pool;
-struct rte_mbuf *lib_arp_pkt;
+struct rte_mbuf *lib_arp_pkt[MAX_PORTS];
struct rte_mbuf *lib_nd_pkt;
uint8_t default_ether_addr[6] = { 0, 0, 0, 0, 1, 1 };
uint8_t default_ip[4] = { 0, 0, 1, 1 };
+uint64_t start_tsc[4];
+uint64_t end_tsc[4];
+#define ticks_per_ms (rte_get_tsc_hz()/1000)
+
+#define MAX_NUM_ARP_CACHE_MAC_ADDRESS 16
+
+/***** ARP local cache *****/
+struct arp_data *p_arp_data;
+//struct arp_cache arp_local_cache[MAX_PORTS];
+uint8_t arp_cache_hw_laddr_valid[MAX_NUM_ARP_CACHE_MAC_ADDRESS] = {
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+void prefetch(void)
+{
+ rte_prefetch0(p_arp_data);
+}
+
+struct arp_entry_data *arp_data_ptr[MAX_NUM_ARP_CACHE_MAC_ADDRESS];
+
+struct ether_addr arp_cache_hw_laddr[MAX_NUM_ARP_CACHE_MAC_ADDRESS] = {
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} },
+ {.addr_bytes = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }
+};
+
+/**
+ * A structure defining the mbuf meta data for VFW.
+ */
+struct mbuf_arp_meta_data {
+/* output port stored for RTE_PIPELINE_ACTION_PORT_META */
+ uint32_t output_port;
+ struct rte_mbuf *next; /* next pointer for chained buffers */
+} __rte_cache_aligned;
+
+static struct arp_entry_data arp_entry_data_default = {
+ .status = COMPLETE,
+ .num_pkts = 0,
+};
+
+/**
+ * memory pool for queued up user pkts.
+ */
+struct rte_mempool *arp_icmp_pktmbuf_tx_pool;
+
static struct rte_hash_parameters arp_hash_params = {
.name = "ARP",
.entries = 64,
.hash_func_init_val = 0,
};
+struct ether_addr broadcast_ether_addr = {
+ .addr_bytes[0] = 0xFF,
+ .addr_bytes[1] = 0xFF,
+ .addr_bytes[2] = 0xFF,
+ .addr_bytes[3] = 0xFF,
+ .addr_bytes[4] = 0xFF,
+ .addr_bytes[5] = 0xFF,
+};
+
+static const struct ether_addr null_ether_addr = {
+ .addr_bytes[0] = 0x00,
+ .addr_bytes[1] = 0x00,
+ .addr_bytes[2] = 0x00,
+ .addr_bytes[3] = 0x00,
+ .addr_bytes[4] = 0x00,
+ .addr_bytes[5] = 0x00,
+};
+
struct rte_hash *arp_hash_handle;
struct rte_hash *nd_hash_handle;
#define MAX_NUM_ARP_ENTRIES 64
#define MAX_NUM_ND_ENTRIES 64
-uint32_t get_nh(uint32_t, uint32_t *);
+inline uint32_t get_nh(uint32_t, uint32_t *, struct ether_addr *addr);
void get_nh_ipv6(uint8_t ipv6[], uint32_t *port, uint8_t nhipv6[]);
#define MAX_ARP_DATA_ENTRY_TABLE 7
struct table_arp_entry_data arp_entry_data_table[MAX_ARP_DATA_ENTRY_TABLE] = {
- {{0, 0, 0, 0, 0, 1}, 1, INCOMPLETE, IPv4(192, 168, 0, 2)},
- {{0, 0, 0, 0, 0, 2}, 0, INCOMPLETE, IPv4(192, 168, 0, 3)},
- {{0, 0, 0, 0, 0, 1}, 1, INCOMPLETE, IPv4(30, 40, 50, 60)},
- {{0, 0, 0, 0, 0, 1}, 1, INCOMPLETE, IPv4(120, 0, 0, 2)},
- {{0, 0, 0, 0, 0, 4}, 3, INCOMPLETE, IPv4(1, 1, 1, 4)},
- {{0, 0, 0, 0, 0, 5}, 4, INCOMPLETE, IPv4(1, 1, 1, 5)},
+ {{0, 0, 0, 0, 0, 1}, 1, INCOMPLETE, IPv4(1, 1, 1, 1)},
+ {{0, 0, 0, 0, 0, 2}, 0, INCOMPLETE, IPv4(1, 1, 1, 2)},
+ {{0, 0, 0, 0, 0, 1}, 1, INCOMPLETE, IPv4(1, 1, 1, 3)},
+ {{0, 0, 0, 0, 0, 1}, 1, INCOMPLETE, IPv4(1, 1, 1, 4)},
+ {{0, 0, 0, 0, 0, 4}, 1, INCOMPLETE, IPv4(1, 1, 1, 5)},
+ {{0, 0, 0, 0, 0, 5}, 0, INCOMPLETE, IPv4(1, 1, 1, 6)},
{{0, 0, 0, 0, 0, 6}, 1, INCOMPLETE, IPv4(1, 1, 1, 7)},
};
};
struct lib_arp_route_table_entry lib_arp_route_table[MAX_ARP_RT_ENTRY] = {
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0},
- {0, 0, 0, 0}
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0},
+ {0, 0, 0, 0, 0}
};
void print_trace(void);
+uint32_t get_arp_buf(void)
+{
+ return arp_buffer;
+}
+
+uint8_t arp_cache_dest_mac_present(uint32_t out_port)
+{
+ return p_arp_data->arp_cache_hw_laddr_valid[out_port];
+}
+
/* Obtain a backtrace and print it to stdout. */
void print_trace(void)
{
free(strings);
}
-uint32_t get_nh(uint32_t ip, uint32_t *port)
+uint32_t get_nh(uint32_t ip, uint32_t *port, struct ether_addr *addr)
{
int i = 0;
- for (i = 0; i < MAX_ARP_RT_ENTRY; i++) {
- if (((lib_arp_route_table[i].
- ip & lib_arp_route_table[i].mask) ==
- (ip & lib_arp_route_table[i].mask))) {
-
- *port = lib_arp_route_table[i].port;
- lib_arp_nh_found++;
- return lib_arp_route_table[i].nh;
+ for (i = 0; i < p_arp_data->lib_arp_route_ent_cnt; i++) {
+ if ((p_arp_data->lib_arp_route_table[i].nh_mask) ==
+ (ip & p_arp_data->lib_arp_route_table[i].mask)) {
+
+ *port = p_arp_data->lib_arp_route_table[i].port;
+ if (arp_cache_dest_mac_present(*port))
+ ether_addr_copy(get_local_link_hw_addr(*port, p_arp_data->lib_arp_route_table[i].nh), addr);
+ return p_arp_data->lib_arp_route_table[i].nh;
}
- if (ARPICMP_DEBUG)
- printf("No nh match ip 0x%x, port %u, t_ip "
- "0x%x, t_port %u, mask 0x%x, r1 %x, r2 %x\n",
- ip, *port, lib_arp_route_table[i].ip,
- lib_arp_route_table[i].port,
- lib_arp_route_table[i].mask,
- (lib_arp_route_table[i].ip &
- lib_arp_route_table[i].mask),
- (ip & lib_arp_route_table[i].mask));
}
- if (ARPICMP_DEBUG)
- printf("No NH - ip 0x%x, port %u\n", ip, *port);
lib_arp_no_nh_found++;
return 0;
}
}
/* Added for Multiport changes*/
-int get_dest_mac_addr_port(const uint32_t ipaddr,
+struct arp_entry_data *get_dest_mac_addr_port(const uint32_t ipaddr,
uint32_t *phy_port, struct ether_addr *hw_addr)
{
- lib_arp_get_mac_req++;
+ struct arp_entry_data *ret_arp_data = NULL;
uint32_t nhip = 0;
+ uint8_t index;
- nhip = get_nh(ipaddr, phy_port);
- if (nhip == 0) {
+ //lib_arp_get_mac_req++;
+ nhip = get_nh(ipaddr, phy_port, hw_addr);
+ if (unlikely(nhip == 0)) {
if (ARPICMP_DEBUG)
printf("ARPICMP no nh found for ip %x, port %d\n",
ipaddr, *phy_port);
- //return 0;
- return NH_NOT_FOUND;
+ return ret_arp_data;
+ }
+
+ /* as part of optimization we store mac address in cache
+ * & thus can be sent without having to retrieve
+ */
+ if (arp_cache_dest_mac_present(*phy_port)) {
+ //arp_data_ptr[*phy_port]->n_last_update = time(NULL);
+ return &arp_entry_data_default;
}
- struct arp_entry_data *ret_arp_data = NULL;
struct arp_key_ipv4 tmp_arp_key;
tmp_arp_key.port_id = *phy_port; /* Changed for Multi Port */
tmp_arp_key.ip = nhip;
printf("%s: nhip: %x, phyport: %d\n", __FUNCTION__, nhip,
*phy_port);
- ret_arp_data = retrieve_arp_entry(tmp_arp_key);
+ ret_arp_data = retrieve_arp_entry(tmp_arp_key, DYNAMIC_ARP);
if (ret_arp_data == NULL) {
- if (ARPICMP_DEBUG) {
- printf
- ("ARPICMP no arp entry found for ip %x, port %d\n",
- ipaddr, *phy_port);
- print_arp_table();
- }
- if (nhip != 0) {
- if (ARPICMP_DEBUG)
- printf("CG-NAPT requesting ARP for ip %x, "
- "port %d\n", nhip, *phy_port);
- request_arp(*phy_port, nhip); //Changed for Multiport
-
- }
+ if (ARPICMP_DEBUG && ipaddr)
+ {
+ RTE_LOG(INFO, LIBARP,"ARPICMP no arp entry found for ip %x, port %u\n", ipaddr, *phy_port);
+ print_arp_table();
+ }
lib_arp_no_arp_entry_found++;
- return ARP_NOT_FOUND;
- }
- ether_addr_copy(&ret_arp_data->eth_addr, hw_addr);
- lib_arp_arp_entry_found++;
- if (ARPICMP_DEBUG)
- printf("%s: ARPICMP hwaddr found\n", __FUNCTION__);
- return ARP_FOUND;
-}
-
-int get_dest_mac_address(const uint32_t ipaddr, uint32_t *phy_port,
- struct ether_addr *hw_addr, uint32_t *nhip)
-{
- lib_arp_get_mac_req++;
-
- *nhip = get_nh(ipaddr, phy_port);
- if (*nhip == 0) {
- if (ARPICMP_DEBUG && ipaddr)
- RTE_LOG(INFO, LIBARP,
- "ARPICMP no nh found for ip %x, port %d\n",
- ipaddr, *phy_port);
- return 0;
- }
-
- struct arp_entry_data *ret_arp_data = NULL;
- struct arp_key_ipv4 tmp_arp_key;
- tmp_arp_key.port_id = *phy_port;
- tmp_arp_key.ip = *nhip;
-
- ret_arp_data = retrieve_arp_entry(tmp_arp_key);
- if (ret_arp_data == NULL) {
- if (ARPICMP_DEBUG && ipaddr) {
- RTE_LOG(INFO, LIBARP,
- "ARPICMP no arp entry found for ip %x, port %d\n",
- ipaddr, *phy_port);
- print_arp_table();
- }
- lib_arp_no_arp_entry_found++;
- return 0;
- }
- ether_addr_copy(&ret_arp_data->eth_addr, hw_addr);
- lib_arp_arp_entry_found++;
- return 1;
-
-}
+ } else if (ret_arp_data->status == COMPLETE) {
+ ether_addr_copy(&ret_arp_data->eth_addr, hw_addr);
+ printf("Setting mac found for port:%d\n", *phy_port);
+ p_arp_data->arp_cache_hw_laddr_valid[*phy_port] = 1;
+ arp_data_ptr[*phy_port] = ret_arp_data;
+ //memcpy(&arp_cache_hw_laddr[*phy_port], hw_addr,
+ // sizeof(struct ether_addr));
+ index = p_arp_data->arp_local_cache[*phy_port].num_nhip;
+ p_arp_data->arp_local_cache[*phy_port].nhip[index] = nhip;
+ ether_addr_copy(hw_addr, &p_arp_data->arp_local_cache[*phy_port].link_hw_laddr[index]);
+ p_arp_data->arp_local_cache[*phy_port].num_nhip++;
+ lib_arp_arp_entry_found++;
-int get_dest_mac_addr(const uint32_t ipaddr,
- uint32_t *phy_port, struct ether_addr *hw_addr)
-{
- lib_arp_get_mac_req++;
- uint32_t nhip = 0;
-
- nhip = get_nh(ipaddr, phy_port);
- if (nhip == 0) {
- if (ARPICMP_DEBUG && ipaddr)
- RTE_LOG(INFO, LIBARP,
- "ARPICMP no nh found for ip %x, port %d\n",
- ipaddr, *phy_port);
- return 0;
- }
-
- struct arp_entry_data *ret_arp_data = NULL;
- struct arp_key_ipv4 tmp_arp_key;
- tmp_arp_key.port_id = *phy_port;
- tmp_arp_key.ip = nhip;
-
- ret_arp_data = retrieve_arp_entry(tmp_arp_key);
- if (ret_arp_data == NULL) {
- if (ARPICMP_DEBUG && ipaddr) {
- printf
- ("ARPICMP no arp entry found for ip %x, port %d\n",
- ipaddr, *phy_port);
- print_arp_table();
- }
+ if (ARPICMP_DEBUG)
+ printf("%s: ARPICMP hwaddr found\n", __FUNCTION__);
+ }
- if (nhip != 0) {
- if (ARPICMP_DEBUG > 4)
- printf
- ("CG-NAPT requesting ARP for ip %x, port %d\n",
- nhip, *phy_port);
- if (ifm_chk_port_ipv4_enabled(*phy_port)) {
- request_arp(*phy_port, nhip);
- } else {
- if (ARPICMP_DEBUG)
- RTE_LOG(INFO, LIBARP,
- "%s: IP is not enabled on port %u, not sending ARP REQ\n\r",
- __FUNCTION__, *phy_port);
- }
+ if (ret_arp_data)
+ ret_arp_data->n_last_update = time(NULL);
- }
- lib_arp_no_arp_entry_found++;
- return 0;
- }
- ether_addr_copy(&ret_arp_data->eth_addr, hw_addr);
- lib_arp_arp_entry_found++;
- return 1;
+ return ret_arp_data;
}
int get_dest_mac_address_ipv6_port(uint8_t ipv6addr[], uint32_t *phy_port,
fflush(stdout);
}
-struct arp_entry_data *retrieve_arp_entry(struct arp_key_ipv4 arp_key)
+struct arp_entry_data *retrieve_arp_entry(struct arp_key_ipv4 arp_key, uint8_t mode)
{
struct arp_entry_data *ret_arp_data = NULL;
arp_key.filler1 = 0;
int ret = rte_hash_lookup_data(arp_hash_handle, &arp_key,
(void **)&ret_arp_data);
- if (ret < 0) {
- // RTE_LOG(INFO, LIBARP,"arp-hash lookup failed ret %d, EINVAL %d, ENOENT %d\n", ret, EINVAL, ENOENT);
+ if (ret < 0 && (mode == DYNAMIC_ARP)) {
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP, "ARP entry not found for ip 0x%x\n",arp_key.ip);
+
+ /* add INCOMPLETE arp entry */
+ ret_arp_data = rte_malloc_socket(NULL, sizeof(struct arp_entry_data),
+ RTE_CACHE_LINE_SIZE, rte_socket_id());
+ ether_addr_copy(&null_ether_addr, &ret_arp_data->eth_addr);
+ ret_arp_data->status = INCOMPLETE;
+ ret_arp_data->port = arp_key.port_id;
+ ret_arp_data->ip = arp_key.ip;
+ ret_arp_data->mode = mode;
+ ret_arp_data->num_pkts = 0;
+ ret_arp_data->buffered_pkt_list_head = NULL;
+ ret_arp_data->buffered_pkt_list_tail = NULL;
+ rte_rwlock_init(&ret_arp_data->queue_lock);
+ rte_rwlock_write_lock(&ret_arp_data->queue_lock);
+
+ if (rte_mempool_get(timer_mempool_arp,
+ (void **) &(ret_arp_data->timer) ) < 0) {
+ RTE_LOG(INFO, LIBARP,"Error in getting timer alloc buf\n");
+ return NULL;
+ }
+
+ ret_arp_data->buf_pkts = (struct rte_mbuf **)rte_zmalloc_socket(
+ NULL, sizeof(struct rte_mbuf *) * arp_buffer,
+ RTE_CACHE_LINE_SIZE, rte_socket_id());
+
+ rte_hash_add_key_data(arp_hash_handle, &arp_key, ret_arp_data);
+
+ rte_timer_init(ret_arp_data->timer);
+ struct arp_timer_key * callback_key =
+ (struct arp_timer_key*) rte_malloc(NULL,
+ sizeof(struct arp_timer_key*),RTE_CACHE_LINE_SIZE);
+ callback_key->port_id = arp_key.port_id;
+ callback_key->ip = arp_key.ip;
+ if(ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,"TIMER STARTED FOR %u seconds\n",ARP_TIMER_EXPIRY);
+ if(rte_timer_reset(ret_arp_data->timer,
+ (PROBE_TIME * rte_get_tsc_hz() / 1000),
+ SINGLE,timer_lcore,
+ arp_timer_callback,
+ callback_key) < 0)
+ if(ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,"Err : Timer already running\n");
+
+ ret_arp_data->timer_key = callback_key;
+
+ /* send arp request */
+ request_arp(arp_key.port_id, arp_key.ip);
} else {
-
- if (ret_arp_data->mode == DYNAMIC_ARP) {
- struct arp_timer_key callback_key;
- callback_key.port_id = ret_arp_data->port;
- callback_key.ip = ret_arp_data->ip;
- /*lcore need to check which parameter need to be put */
- if (rte_timer_reset(ret_arp_data->timer,
- (arp_timeout * rte_get_tsc_hz()),
- SINGLE, timer_lcore,
- arp_timer_callback,
- &callback_key) < 0)
- if (ARPICMP_DEBUG)
- RTE_LOG(INFO, LIBARP,
- "Err : Timer already running\n");
+ if (ret_arp_data &&
+ ret_arp_data->mode == DYNAMIC_ARP && ret_arp_data->status == STALE) {
+ ether_addr_copy(&null_ether_addr, &ret_arp_data->eth_addr);
+ ret_arp_data->status = PROBE;
+ struct arp_timer_key * callback_key =
+ (struct arp_timer_key*) rte_malloc(NULL,
+ sizeof(struct arp_timer_key*),RTE_CACHE_LINE_SIZE);
+ callback_key->port_id = arp_key.port_id;
+ callback_key->ip = arp_key.ip;
+ if(ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,"TIMER STARTED FOR %u seconds\n",ARP_TIMER_EXPIRY);
+ if(rte_timer_reset(ret_arp_data->timer,
+ (arp_timeout * rte_get_tsc_hz()),
+ SINGLE,timer_lcore,
+ arp_timer_callback,
+ callback_key) < 0)
+ if(ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,"Err : Timer already running\n");
+
+ ret_arp_data->timer_key = callback_key;
+
+ /* send arp request */
+ request_arp(arp_key.port_id, arp_key.ip);
}
- return ret_arp_data;
}
- return NULL;
+ return ret_arp_data;
}
struct nd_entry_data *retrieve_nd_entry(struct nd_key_ipv6 nd_key)
return NULL;
}
+static const char* arp_status[] = {"INCOMPLETE", "COMPLETE", "PROBE", "STALE"};
+
void print_arp_table(void)
{
const void *next_key;
tmp_arp_data->eth_addr.addr_bytes[3],
tmp_arp_data->eth_addr.addr_bytes[4],
tmp_arp_data->eth_addr.addr_bytes[5],
- tmp_arp_data->status ==
- COMPLETE ? "COMPLETE" : "INCOMPLETE",
+ arp_status[tmp_arp_data->status],
(tmp_arp_data->ip >> 24),
((tmp_arp_data->ip & 0x00ff0000) >> 16),
((tmp_arp_data->ip & 0x0000ff00) >> 8),
}
uint32_t i = 0;
- printf("\nARP routing table has %d entries\n", arp_route_tbl_index);
+ printf("\nARP routing table has %d entries\n", p_arp_data->lib_arp_route_ent_cnt);
printf("\nIP_Address Mask Port NH_IP_Address\n");
- for (i = 0; i < arp_route_tbl_index; i++) {
+ for (i = 0; i < p_arp_data->lib_arp_route_ent_cnt; i++) {
printf("0x%x 0x%x %d 0x%x\n",
- lib_arp_route_table[i].ip,
- lib_arp_route_table[i].mask,
- lib_arp_route_table[i].port, lib_arp_route_table[i].nh);
+ p_arp_data->lib_arp_route_table[i].ip,
+ p_arp_data->lib_arp_route_table[i].mask,
+ p_arp_data->lib_arp_route_table[i].port, p_arp_data->lib_arp_route_table[i].nh);
}
printf
printf("ND table key len is %lu\n\n", sizeof(struct nd_key_ipv6));
}
-void remove_arp_entry(uint32_t ipaddr, uint8_t portid, void *arg)
+void remove_arp_entry(struct arp_entry_data *ret_arp_data, void *arg)
{
- struct arp_key_ipv4 arp_key;
- arp_key.port_id = portid;
- arp_key.ip = ipaddr;
- arp_key.filler1 = 0;
- arp_key.filler2 = 0;
- arp_key.filler3 = 0;
-
+ struct arp_timer_key *arp_key = (struct arp_timer_key *)arg;
lib_arp_delete_called++;
- struct arp_entry_data *ret_arp_data = NULL;
-
- int ret = rte_hash_lookup_data(arp_hash_handle, &arp_key,
- (void **)&ret_arp_data);
- if (ret < 0) {
-// RTE_LOG(INFO, LIBARP,"arp-hash lookup failed ret %d, EINVAL %d, ENOENT %d\n", ret, EINVAL, ENOENT);
- return;
- } else {
- if (ret_arp_data->mode == DYNAMIC_ARP) {
- if (ret_arp_data->retry_count == 3) {
- rte_timer_stop(ret_arp_data->timer);
- rte_free(ret_arp_data->timer_key);
- if (ARPICMP_DEBUG) {
- RTE_LOG(INFO, LIBARP,
- "ARP Entry Deleted for IP :%d.%d.%d.%d , port %d\n",
- (arp_key.ip >> 24),
- ((arp_key.ip & 0x00ff0000) >>
- 16),
- ((arp_key.ip & 0x0000ff00) >>
- 8),
- ((arp_key.ip & 0x000000ff)),
- arp_key.port_id);
- }
- rte_hash_del_key(arp_hash_handle, &arp_key);
- //print_arp_table();
- } else {
- ret_arp_data->retry_count++;
- if (ARPICMP_DEBUG)
- RTE_LOG(INFO, LIBARP,
- "RETRY ARP..retry count : %u\n",
- ret_arp_data->retry_count);
- //print_arp_table();
- if (ARPICMP_DEBUG)
- RTE_LOG(INFO, LIBARP,
- "TIMER STARTED FOR %u seconds\n",
- ARP_TIMER_EXPIRY);
- if (ifm_chk_port_ipv4_enabled
- (ret_arp_data->port)) {
- request_arp(ret_arp_data->port,
- ret_arp_data->ip);
- } else {
- if (ARPICMP_DEBUG)
- RTE_LOG(INFO, LIBARP,
- "%s: IP is not enabled on port %u, not sending GARP\n\r",
- __FUNCTION__,
- ret_arp_data->port);
- }
- if (rte_timer_reset(ret_arp_data->timer,
- (arp_timeout *
- rte_get_tsc_hz()), SINGLE,
- timer_lcore,
- arp_timer_callback,
- arg) < 0)
- if (ARPICMP_DEBUG)
- RTE_LOG(INFO, LIBARP,
- "Err : Timer already running\n");
-
- }
- } else {
- rte_hash_del_key(arp_hash_handle, &arp_key);
- }
- }
+ rte_timer_stop(ret_arp_data->timer);
+ rte_free(ret_arp_data->timer_key);
+ rte_free(ret_arp_data->buf_pkts);
+ ret_arp_data->buf_pkts = NULL;
+ if (ARPICMP_DEBUG) {
+ RTE_LOG(INFO, LIBARP,
+ "ARP Entry Deleted for IP :%d.%d.%d.%d , port %d\n",
+ (arp_key->ip >> 24),
+ ((arp_key->ip & 0x00ff0000) >>
+ 16),
+ ((arp_key->ip & 0x0000ff00) >>
+ 8),
+ ((arp_key->ip & 0x000000ff)),
+ arp_key->port_id);
+ }
+ rte_hash_del_key(arp_hash_handle, arp_key);
+ print_arp_table();
}
/* ND IPv6 */
rte_hash_del_key(nd_hash_handle, &nd_key);
}
+int
+arp_queue_unresolved_packet(struct arp_entry_data *ret_arp_data, struct rte_mbuf *pkt)
+{
+ if (ret_arp_data->num_pkts == NUM_DESC) {
+ return 0;
+ }
+ ret_arp_data->buf_pkts[ret_arp_data->num_pkts++] = pkt;
+ return 0;
+}
+
+void
+arp_send_buffered_pkts(struct arp_entry_data *ret_arp_data,struct ether_addr *hw_addr, uint8_t port_id)
+{
+ l2_phy_interface_t *port = ifm_get_port(port_id);
+ struct rte_mbuf *pkt, *tmp;
+ uint8_t *eth_dest, *eth_src;
+ int i;
+
+
+ if (!hw_addr || !ret_arp_data)
+ return;
+
+ for (i=0;i<(int)ret_arp_data->num_pkts;i++) {
+ pkt = ret_arp_data->buf_pkts[i];
+ eth_dest = RTE_MBUF_METADATA_UINT8_PTR(pkt, MBUF_HDR_ROOM);
+ eth_src = RTE_MBUF_METADATA_UINT8_PTR(pkt, MBUF_HDR_ROOM + 6);
+
+ memcpy(eth_dest, &hw_addr, sizeof(struct ether_addr));
+ memcpy(eth_src, get_link_hw_addr(port_id),
+ sizeof(struct ether_addr));
+ port->transmit_single_pkt(port, pkt);
+ tmp = pkt;
+ rte_pktmbuf_free(tmp);
+ }
+ ret_arp_data->num_pkts = 0;
+ ret_arp_data->buffered_pkt_list_head = NULL;
+
+}
+
void
populate_arp_entry(const struct ether_addr *hw_addr, uint32_t ipaddr,
uint8_t portid, uint8_t mode)
{
struct arp_key_ipv4 arp_key;
+ struct arp_entry_data *new_arp_data;
arp_key.port_id = portid;
arp_key.ip = ipaddr;
arp_key.filler1 = 0;
arp_key.filler3 = 0;
lib_arp_populate_called++;
+ printf("populate_arp_entry ip %x, port %d\n", arp_key.ip, arp_key.port_id);
if (ARPICMP_DEBUG)
RTE_LOG(INFO, LIBARP, "populate_arp_entry ip %x, port %d\n",
arp_key.ip, arp_key.port_id);
- struct arp_entry_data *new_arp_data = retrieve_arp_entry(arp_key);
+ new_arp_data = retrieve_arp_entry(arp_key, mode);
if (new_arp_data && ((new_arp_data->mode == STATIC_ARP
- && mode == DYNAMIC_ARP) || (new_arp_data->mode == DYNAMIC_ARP
- && mode == STATIC_ARP))) {
- if (ARPICMP_DEBUG)
- RTE_LOG(INFO, LIBARP,"populate_arp_entry: ARP entry already exists(%d %d)\n",
- new_arp_data->mode, mode);
+ && mode == DYNAMIC_ARP) || (new_arp_data->mode == DYNAMIC_ARP
+ && mode == STATIC_ARP))) {
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,"populate_arp_entry: ARP entry already exists(%d %d)\n",
+ new_arp_data->mode, mode);
- return;
- }
+ return;
+ }
if (mode == DYNAMIC_ARP) {
+
if (new_arp_data
&& is_same_ether_addr(&new_arp_data->eth_addr, hw_addr)) {
+ printf("entry exists\n");
+
if (ARPICMP_DEBUG) {
RTE_LOG(INFO, LIBARP,
"arp_entry exists ip :%d.%d.%d.%d , port %d\n",
}
lib_arp_duplicate_found++;
new_arp_data->retry_count = 0; // Reset
+ if (new_arp_data->status == STALE) {
+ new_arp_data->status = PROBE;
+ if (ifm_chk_port_ipv4_enabled
+ (new_arp_data->port)) {
+ request_arp(new_arp_data->port,
+ new_arp_data->ip);
+ } else {
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,
+ "%s: IP is not enabled on port %u, not sending GARP\n\r",
+ __FUNCTION__,
+ new_arp_data->port);
+ }
+ }
+
if (rte_timer_reset(new_arp_data->timer,
- (arp_timeout * rte_get_tsc_hz()),
- SINGLE, timer_lcore,
- arp_timer_callback,
- new_arp_data->timer_key) < 0)
+ (arp_timeout * rte_get_tsc_hz()),
+ SINGLE, timer_lcore,
+ arp_timer_callback,
+ new_arp_data->timer_key) < 0) {
if (ARPICMP_DEBUG)
RTE_LOG(INFO, LIBARP,
"Err : Timer already running\n");
+ }
return;
- }
-
- uint32_t size =
- RTE_CACHE_LINE_ROUNDUP(sizeof(struct arp_entry_data));
- new_arp_data = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
- new_arp_data->eth_addr = *hw_addr;
- new_arp_data->status = COMPLETE;
- new_arp_data->port = portid;
- new_arp_data->ip = ipaddr;
- new_arp_data->mode = mode;
- if (rte_mempool_get
- (timer_mempool_arp, (void **)&(new_arp_data->timer)) < 0) {
- RTE_LOG(INFO, LIBARP,
- "TIMER - Error in getting timer alloc buffer\n");
+ } else {
+ ether_addr_copy(hw_addr, &new_arp_data->eth_addr);
+ if ((new_arp_data->status == INCOMPLETE) ||
+ (new_arp_data->status == PROBE)) {
+ new_arp_data->status = COMPLETE;
+ new_arp_data->mode = mode;
+ new_arp_data->n_confirmed = time(NULL);
+ //end_tsc[new_arp_data->port] = rte_rdtsc();
+ //printf("confirmed val is %x %dms\n",new_arp_data->ip, (end_tsc[new_arp_data->port] - start_tsc[new_arp_data->port] + ticks_per_ms/2)/ticks_per_ms);
+ new_arp_data->retry_count = 0;
+ if (rte_timer_reset(new_arp_data->timer,
+ (arp_timeout * rte_get_tsc_hz()),
+ SINGLE, timer_lcore,
+ arp_timer_callback,
+ new_arp_data->timer_key) < 0) {
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,
+ "Err : Timer already running\n");
+ }
+ }
return;
}
-
- rte_hash_add_key_data(arp_hash_handle, &arp_key, new_arp_data);
- if (ARPICMP_DEBUG) {
- RTE_LOG(INFO, LIBARP,
- "arp_entry exists ip :%d.%d.%d.%d , port %d\n",
- (arp_key.ip >> 24),
- ((arp_key.ip & 0x00ff0000) >> 16),
- ((arp_key.ip & 0x0000ff00) >> 8),
- ((arp_key.ip & 0x000000ff)), arp_key.port_id);
- }
- // Call l3fwd module for resolving 2_adj structure.
- resolve_l2_adj(ipaddr, portid, hw_addr);
-
- rte_timer_init(new_arp_data->timer);
- struct arp_timer_key *callback_key =
- (struct arp_timer_key *)rte_malloc(NULL,
- sizeof(struct
- arp_timer_key *),
- RTE_CACHE_LINE_SIZE);
- callback_key->port_id = portid;
- callback_key->ip = ipaddr;
-
- if (ARPICMP_DEBUG)
- RTE_LOG(INFO, LIBARP, "TIMER STARTED FOR %u seconds\n",
- ARP_TIMER_EXPIRY);
- if (rte_timer_reset
- (new_arp_data->timer, (arp_timeout * rte_get_tsc_hz()),
- SINGLE, timer_lcore, arp_timer_callback, callback_key) < 0)
- if (ARPICMP_DEBUG)
- RTE_LOG(INFO, LIBARP,
- "Err : Timer already running\n");
-
- new_arp_data->timer_key = callback_key;
} else {
if (new_arp_data
- && is_same_ether_addr(&new_arp_data->eth_addr, hw_addr)) {
+ && is_same_ether_addr(&new_arp_data->eth_addr, hw_addr)) {
+
if (ARPICMP_DEBUG) {
RTE_LOG(INFO, LIBARP,
"arp_entry exists ip :%d.%d.%d.%d , port %d\n",
new_arp_data->port = portid;
new_arp_data->ip = ipaddr;
new_arp_data->mode = mode;
-
+ new_arp_data->buffered_pkt_list_head = NULL;
+ new_arp_data->buffered_pkt_list_tail = NULL;
+ new_arp_data->num_pkts = 0;
+
rte_hash_add_key_data(arp_hash_handle, &arp_key,
new_arp_data);
if (ARPICMP_DEBUG) {
((arp_key.ip & 0x000000ff)),
arp_key.port_id);
}
+ #ifdef L3_STACK_SUPPORT
// Call l3fwd module for resolving 2_adj structure.
resolve_l2_adj(ipaddr, portid, hw_addr);
+ #endif
}
}
+
if (ARPICMP_DEBUG) {
/* print entire hash table */
RTE_LOG(INFO, LIBARP,
RTE_LOG(INFO, LIBARP, "\nPacket Contents...\n");
for (i = 0; i < 20; i++) {
for (j = 0; j < 20; j++)
- RTE_LOG(INFO, LIBARP, "%02x ", rd[(20 * i) + j]);
+ printf("%02x ", rd[(20 * i) + j]);
RTE_LOG(INFO, LIBARP, "\n");
}
}
-struct ether_addr broadcast_ether_addr = {
- .addr_bytes[0] = 0xFF,
- .addr_bytes[1] = 0xFF,
- .addr_bytes[2] = 0xFF,
- .addr_bytes[3] = 0xFF,
- .addr_bytes[4] = 0xFF,
- .addr_bytes[5] = 0xFF,
-};
-
-static const struct ether_addr null_ether_addr = {
- .addr_bytes[0] = 0x00,
- .addr_bytes[1] = 0x00,
- .addr_bytes[2] = 0x00,
- .addr_bytes[3] = 0x00,
- .addr_bytes[4] = 0x00,
- .addr_bytes[5] = 0x00,
-};
-
#define MAX_NUM_MAC_ADDRESS 16
struct ether_addr link_hw_addr[MAX_NUM_MAC_ADDRESS] = {
{.addr_bytes = {0x90, 0xe2, 0xba, 0x54, 0x67, 0xc8} },
struct ether_addr *get_link_hw_addr(uint8_t out_port)
{
- return &link_hw_addr[out_port];
+ return &p_arp_data->link_hw_addr[out_port];
}
void request_arp(uint8_t port_id, uint32_t ip)
l2_phy_interface_t *link;
link = ifm_get_port(port_id);
- struct rte_mbuf *arp_pkt = lib_arp_pkt;
+ struct rte_mbuf *arp_pkt = lib_arp_pkt[port_id];
if (arp_pkt == NULL) {
if (ARPICMP_DEBUG)
"Error allocating arp_pkt rte_mbuf\n");
return;
}
-
eth_h = rte_pktmbuf_mtod(arp_pkt, struct ether_hdr *);
ether_addr_copy(&broadcast_ether_addr, ð_h->d_addr);
arp_h->arp_pln = sizeof(uint32_t);
arp_h->arp_op = CHECK_ENDIAN_16(ARP_OP_REQUEST);
- ether_addr_copy((struct ether_addr *)
- &link->macaddr[0], &arp_h->arp_data.arp_sha);
if (link && link->ipv4_list) {
arp_h->arp_data.arp_sip =
(((ipv4list_t *) (link->ipv4_list))->ipaddr);
}
+ ether_addr_copy((struct ether_addr *)
+ &link->macaddr[0], &arp_h->arp_data.arp_sha);
ether_addr_copy(&null_ether_addr, &arp_h->arp_data.arp_tha);
arp_h->arp_data.arp_tip = rte_cpu_to_be_32(ip);
if (ARPICMP_DEBUG)
}
if (link)
link->transmit_single_pkt(link, arp_pkt);
+// start_tsc[port_id] = rte_rdtsc();
+ printf("Sent ARP Request %x \n", arp_h->arp_data.arp_tip);
}
struct rte_mbuf *request_echo(uint32_t port_id, uint32_t ip)
struct icmp_hdr *icmp_h;
l2_phy_interface_t *port = ifm_get_port(port_id);
- struct rte_mbuf *icmp_pkt = lib_arp_pkt;
+ struct rte_mbuf *icmp_pkt = lib_arp_pkt[port_id];
if (icmp_pkt == NULL) {
if (ARPICMP_DEBUG)
RTE_LOG(INFO, LIBARP,
return icmp_pkt;
}
-#if 0
-/**
- * Function to send ICMP dest unreachable msg
- *
- */
-struct rte_mbuf *send_icmp_dest_unreachable_msg(uint32_t src_ip,
- uint32_t dest_ip)
-{
- struct ether_hdr *eth_h;
- struct ipv4_hdr *ip_h;
- struct icmp_hdr *icmp_h;
- struct rte_mbuf *icmp_pkt = lib_arp_pkt;
-
- if (icmp_pkt == NULL) {
- if (ARPICMP_DEBUG)
- RTE_LOG(INFO, LIBARP,
- "Error allocating icmp_pkt rte_mbuf\n");
- return NULL;
- }
-
- eth_h = rte_pktmbuf_mtod(icmp_pkt, struct ether_hdr *);
- ip_h = (struct ipv4_hdr *)((char *)eth_h + sizeof(struct ether_hdr));
- icmp_h = (struct icmp_hdr *)((char *)ip_h + sizeof(struct ipv4_hdr));
-
- ip_h->version_ihl = IP_VHL_DEF;
- ip_h->type_of_service = 0;
- ip_h->total_length =
- rte_cpu_to_be_16(sizeof(struct ipv4_hdr) + sizeof(struct icmp_hdr));
- ip_h->packet_id = 0xaabb;
- ip_h->fragment_offset = 0x0000;
- ip_h->time_to_live = 64;
- ip_h->next_proto_id = 1;
-
- ip_h->dst_addr = rte_bswap32(dest_ip);
- ip_h->src_addr = rte_bswap32(src_ip);
-
- ip_h->hdr_checksum = 0;
- ip_h->hdr_checksum = rte_ipv4_cksum(ip_h);
-
- icmp_h->icmp_type = 3; /* Destination Unreachable */
- icmp_h->icmp_code = 13; /* Communication administratively prohibited */
-
- icmp_h->icmp_cksum = ~rte_raw_cksum(icmp_h, sizeof(struct icmp_hdr));
-
- icmp_pkt->pkt_len = sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr) +
- sizeof(struct icmp_hdr);
- icmp_pkt->data_len = icmp_pkt->pkt_len;
-
- return icmp_pkt;
-}
-#endif
void
process_arpicmp_pkt_parse(struct rte_mbuf **pkt, uint16_t pkt_num,
uint64_t pkt_mask, l2_phy_interface_t *port)
uint32_t ip_addr;
uint32_t req_tip;
-
eth_h = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
if (eth_h->ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
if (arp_h->arp_data.arp_tip !=
((ipv4list_t *) (port->ipv4_list))->ipaddr) {
if (arp_h->arp_data.arp_tip == arp_h->arp_data.arp_sip) {
+ printf("gratuitous arp received\n");
populate_arp_entry(
(struct ether_addr *)&arp_h->arp_data.arp_sha,
rte_cpu_to_be_32(arp_h->arp_data.arp_sip),
print_mbuf("RX", in_port_id, pkt,
__LINE__);
}
-
populate_arp_entry((struct ether_addr *)
&arp_h->arp_data.arp_sha,
rte_cpu_to_be_32
arp_h->arp_data.arp_sip = req_tip;
ether_addr_copy(ð_h->d_addr,
&arp_h->arp_data.arp_tha);
-
if (ARPICMP_DEBUG)
print_mbuf("TX ARP REPLY PKT",
port->pmdid, pkt, __LINE__);
if (ARPICMP_DEBUG)
print_mbuf("TX", port->pmdid, pkt,
__LINE__);
-
+ printf("replying arp pkt done\n");
+ //rte_pktmbuf_free(pkt);
return;
} else if (arp_h->arp_op ==
rte_cpu_to_be_16(ARP_OP_REPLY)) {
arp_data.arp_sip),
in_port_id, DYNAMIC_ARP);
+ //rte_pktmbuf_free(pkt);
return;
} else {
if (ARPICMP_DEBUG)
arp_key.filler3 = 0;
struct arp_entry_data *arp_entry =
- retrieve_arp_entry(arp_key);
+ retrieve_arp_entry(arp_key, DYNAMIC_ARP);
if (arp_entry == NULL) {
if (ARPICMP_DEBUG)
RTE_LOG(INFO, LIBARP,
rte_pktmbuf_free(pkt);
}
+ printf("reached end of process_arpicmp\n");
}
/* int
continue;
}
+ if (strcmp(arg_name, "arp_buf") == 0) {
+ arp_buffer = atoi(arg_value);
+ }
+
/* prv_to_pub_map */
if (strcmp(arg_name, "prv_to_pub_map") == 0) {
if (prv_to_pub_map_present) {
}
//Populate the static arp_route_table
for (i = 0; i < MAC_NUM_BYTES; i++)
- link_hw_addr
- [link_hw_addr_array_idx].addr_bytes
- [i] = byte[i];
+ p_arp_data->link_hw_addr[p_arp_data->link_hw_addr_array_idx].addr_bytes[i] = byte[i];
- link_hw_addr_array_idx++;
+ p_arp_data->link_hw_addr_array_idx++;
token = strtok(NULL, " ");
}
}
*/
//Populate the static arp_route_table
- lib_arp_route_table[arp_route_tbl_index].ip =
- dest_ip;
- lib_arp_route_table[arp_route_tbl_index].mask =
- mask;
- lib_arp_route_table[arp_route_tbl_index].port =
- tx_port;
- lib_arp_route_table[arp_route_tbl_index].nh =
- nh_ip;
- arp_route_tbl_index++;
+ struct lib_arp_route_table_entry *lentry =
+ &p_arp_data->lib_arp_route_table
+ [p_arp_data->lib_arp_route_ent_cnt];
+ lentry->ip = dest_ip;
+ lentry->mask = mask;
+ lentry->port = tx_port;
+ lentry->nh = nh_ip;
+ lentry->nh_mask = nh_ip & mask;
+ p_arp_data->lib_arp_route_ent_cnt++;
token = strtok(NULL, "(");
}
return 0;
}
+static void local_arp_cache_init(void)
+{
+ int i, j, k;
+ for (i=0; i<MAX_PORTS;i++) {
+ for (j=0; j<MAX_LOCAL_MAC_ADDRESS;j++) {
+ p_arp_data->arp_local_cache[i].nhip[j] = 0;
+ for (k=0;k<6;k++)
+ p_arp_data->arp_local_cache[i].link_hw_laddr[j].addr_bytes[k] = 0;
+ p_arp_data->arp_local_cache[i].num_nhip = 0;
+ }
+ }
+}
+
+struct ether_addr *get_local_link_hw_addr(uint8_t out_port, uint32_t nhip)
+{
+ int i, limit;
+ uint32_t tmp;
+ struct ether_addr *x = NULL;
+ limit = p_arp_data->arp_local_cache[out_port].num_nhip;
+ for (i=0; i < limit; i++) {
+ tmp = p_arp_data->arp_local_cache[out_port].nhip[i];
+ if (tmp == nhip) {
+ x = &p_arp_data->arp_local_cache[out_port].link_hw_laddr[i];
+ return x;
+ }
+ }
+ return x;
+}
+
void lib_arp_init(struct pipeline_params *params,
__rte_unused struct app_params *app)
{
+ int i;
+ uint32_t size;
+ struct pipeline_cgnapt *p;
+
RTE_LOG(INFO, LIBARP, "ARP initialization ...\n");
+ /* create arp data for table entries */
+ size = RTE_CACHE_LINE_ROUNDUP(sizeof(struct arp_data));
+ p = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
+ p_arp_data = (struct arp_data *)p;
+
/* Parse arguments */
if (arp_parse_args(params)) {
RTE_LOG(INFO, LIBARP, "arp_parse_args failed ...\n");
return;
}
- lib_arp_pkt = rte_pktmbuf_alloc(lib_arp_pktmbuf_tx_pool);
- if (lib_arp_pkt == NULL) {
- RTE_LOG(INFO, LIBARP, "ARP lib_arp_pkt alloc failed.\n");
+ for (i=0; i<MAX_PORTS; i++) {
+ lib_arp_pkt[i] = rte_pktmbuf_alloc(lib_arp_pktmbuf_tx_pool);
+ if (lib_arp_pkt[i] == NULL) {
+ RTE_LOG(INFO, LIBARP, "ARP lib_arp_pkt alloc failed.\n");
+ return;
+ }
+ }
+ /* create the arp_icmp mbuf rx pool */
+ arp_icmp_pktmbuf_tx_pool = rte_pktmbuf_pool_create("arp_icmp_mbuf_tx_pool",
+ NB_ARPICMP_MBUF, 32, 0,
+ RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
+
+ if (arp_icmp_pktmbuf_tx_pool == NULL) {
+ RTE_LOG(INFO, LIBARP, "icmp_pktmbuf pool creation failed\n");
return;
}
(void *)nd_hash_handle);
}
+ /* Initialize the local arp cache */
+ local_arp_cache_init();
+
return;
}
void arp_timer_callback(struct rte_timer *timer, void *arg)
{
- struct arp_timer_key *remove_key = (struct arp_timer_key *)arg;
- if (ARPICMP_DEBUG)
- RTE_LOG(INFO, LIBARP, "ARP TIMER callback : expire :%d\n",
- (int)timer->expire);
+ struct arp_timer_key *timer_key = (struct arp_timer_key *)arg;
+ struct arp_key_ipv4 arp_key;
+ arp_key.port_id = timer_key->port_id;
+ arp_key.ip = timer_key->ip;
+ arp_key.filler1 = 0;
+ arp_key.filler2 = 0;
+ arp_key.filler3 = 0;
+
+ struct arp_entry_data *ret_arp_data = NULL;
+ time_t now;
+ if (ARPICMP_DEBUG) {
+ RTE_LOG(INFO, LIBARP, "arp_timer_callback ip %x, port %d\n",
+ arp_key.ip, arp_key.port_id);
+ }
+
+ int ret = rte_hash_lookup_data(arp_hash_handle, &arp_key,
+ (void **)&ret_arp_data);
+ now = time(NULL);
+
if (ARPICMP_DEBUG)
- RTE_LOG(INFO, LIBARP,
- "Remove ARP Entry for IP :%d.%d.%d.%d , port %d\n",
- (remove_key->ip >> 24),
- ((remove_key->ip & 0x00ff0000) >> 16),
- ((remove_key->ip & 0x0000ff00) >> 8),
- ((remove_key->ip & 0x000000ff)), remove_key->port_id);
- remove_arp_entry((uint32_t) remove_key->ip,
- (uint8_t) remove_key->port_id, arg);
+ RTE_LOG(INFO, LIBARP, "ARP TIMER callback : expire :%d now:%ld\n",
+ (int)timer->expire, now);
+ if (ret < 0) {
+ printf("Should not have come here\n");
+ return;
+ } else {
+ if (ret_arp_data->mode == DYNAMIC_ARP) {
+ if (ret_arp_data->status == PROBE ||
+ ret_arp_data->status == INCOMPLETE) {
+ if (ret_arp_data->retry_count == 3) {
+ remove_arp_entry(ret_arp_data, arg);
+ } else {
+ ret_arp_data->retry_count++;
+
+ if (ARPICMP_DEBUG) {
+ RTE_LOG(INFO, LIBARP,
+ "RETRY ARP..retry count : %u\n",
+ ret_arp_data->retry_count);
+
+ RTE_LOG(INFO, LIBARP,
+ "TIMER STARTED FOR %u seconds\n",
+ ARP_TIMER_EXPIRY);
+ }
+
+ if (ifm_chk_port_ipv4_enabled
+ (ret_arp_data->port)) {
+ //printf("inside arp timer callback numpkts:%d\n", ret_arp_data->num_pkts);
+ request_arp(ret_arp_data->port,
+ ret_arp_data->ip);
+ } else {
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,
+ "%s: IP is not enabled on port %u, not sending GARP\n\r",
+ __FUNCTION__,
+ ret_arp_data->port);
+ }
+
+ if (rte_timer_reset(ret_arp_data->timer,
+ (PROBE_TIME *
+ rte_get_tsc_hz()/ 1000),
+ SINGLE,
+ timer_lcore,
+ arp_timer_callback,
+ arg) < 0)
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,
+ "Err : Timer already running\n");
+
+ }
+ } else if (ret_arp_data->status == COMPLETE) {
+ if (now <= (ret_arp_data->n_confirmed + arp_timeout)) {
+ if (rte_timer_reset(ret_arp_data->timer,
+ (arp_timeout *
+ rte_get_tsc_hz()), SINGLE,
+ timer_lcore,
+ arp_timer_callback,
+ arg) < 0)
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,
+ "Err : Timer already running\n");
+ } else if (now <= (ret_arp_data->n_last_update + USED_TIME)) {
+ if (rte_timer_reset(ret_arp_data->timer,
+ (arp_timeout *
+ rte_get_tsc_hz()), SINGLE,
+ timer_lcore,
+ arp_timer_callback,
+ arg) < 0)
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,
+ "Err : Timer already running\n");
+ } else {
+ ret_arp_data->status = STALE;
+ p_arp_data->arp_cache_hw_laddr_valid[ret_arp_data->port] = 0;
+ }
+ }
+ } else {
+ rte_hash_del_key(arp_hash_handle, &arp_key);
+ }
+ }
return;
}
STATIC_ARP);
}
print_arp_table();
+
return;
}
struct ether_hdr *eth_h;
struct arp_hdr *arp_h;
- struct rte_mbuf *arp_pkt = lib_arp_pkt;
+ struct rte_mbuf *arp_pkt = lib_arp_pkt[port->pmdid];
if (port == NULL) {
RTE_LOG(INFO, LIBARP, "PORT ID DOWN.. %s\n", __FUNCTION__);
Code Review / samplevnf.git / blobdiff