#define IP_VERSION_4 0x40
#define IP_HDRLEN 0x05 /**< default IP header length == five 32-bits words. */
#define IP_VHL_DEF (IP_VERSION_4 | IP_HDRLEN)
-
+#define MAX_POOL 32
#define is_multicast_ipv4_addr(ipv4_addr) \
(((rte_be_to_cpu_32((ipv4_addr)) >> 24) & 0x000000FF) == 0xE0)
extern int USE_RTM_LOCKS;
uint32_t arp_timeout = ARP_TIMER_EXPIRY;
uint32_t arp_buffer = ARP_BUF_DEFAULT;
+uint32_t nd_buffer = ARP_BUF_DEFAULT;
/*ND IPV6 */
#define INADDRSZ 4
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);
+struct ether_addr *get_nd_local_link_hw_addr(uint8_t out_port, uint8_t nhip[]);
extern void convert_prefixlen_to_netmask_ipv6(uint32_t depth,
uint8_t netmask_ipv6[]);
struct rte_mempool *lib_nd_pktmbuf_tx_pool;
struct rte_mbuf *lib_arp_pkt[MAX_PORTS];
-struct rte_mbuf *lib_nd_pkt;
+struct rte_mbuf *lib_nd_pkt[MAX_PORTS];
uint8_t default_ether_addr[6] = { 0, 0, 0, 0, 1, 1 };
uint8_t default_ip[4] = { 0, 0, 1, 1 };
0, 0, 0, 0, 0, 0, 0, 0
};
-void prefetch(void)
+/**
+ * handler lock.
+ */
+rte_rwlock_t arp_hash_handle_lock;
+rte_rwlock_t nd_hash_handle_lock;
+
+void update_nhip_access(uint8_t dest_if)
{
- rte_prefetch0(p_arp_data);
+ p_arp_data->update_tsc[dest_if] = rte_rdtsc();
}
-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.
*/
.num_pkts = 0,
};
+static struct nd_entry_data nd_entry_data_default = {
+ .status = COMPLETE,
+ .num_pkts = 0,
+};
+
/**
* memory pool for queued up user pkts.
*/
#define MAX_NUM_ND_ENTRIES 64
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[]);
+void get_nh_ipv6(uint8_t ipv6[], uint32_t *port, uint8_t nhipv6[],
+ struct ether_addr *hw_addr);
#define MAX_ARP_DATA_ENTRY_TABLE 7
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }
};
-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}
-};
-
void print_trace(void);
uint32_t get_arp_buf(void)
return arp_buffer;
}
+uint32_t get_nd_buf(void)
+{
+ return nd_buffer;
+}
+
uint8_t arp_cache_dest_mac_present(uint32_t out_port)
{
return p_arp_data->arp_cache_hw_laddr_valid[out_port];
}
+uint8_t nd_cache_dest_mac_present(uint32_t out_port)
+{
+ return p_arp_data->nd_cache_hw_laddr_valid[out_port];
+}
+
/* Obtain a backtrace and print it to stdout. */
void print_trace(void)
{
*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);
+ 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;
}
}
}
/*ND IPv6 */
-void get_nh_ipv6(uint8_t ipv6[], uint32_t *port, uint8_t nhipv6[])
+void get_nh_ipv6(uint8_t ipv6[], uint32_t *port, uint8_t nhipv6[],
+struct ether_addr *hw_addr)
{
int i = 0;
uint8_t netmask_ipv6[16], netip_nd[16], netip_in[16];
for (j = 0; j < 16; j++)
nhipv6[j] = lib_nd_route_table[i].nhipv6[j];
+ if (nd_cache_dest_mac_present(*port)) {
+ ether_addr_copy(
+ get_nd_local_link_hw_addr(*port, nhipv6),
+ (struct ether_addr *)hw_addr);
+ }
return;
}
depthflags1 = 0;
}
if (NDIPV6_DEBUG)
- printf("No NH - ip 0x%x, port %u\n", ipv6[0], *port);
+ printf("No NH - ip 0x%x, \n", ipv6[0]);
lib_nd_no_nh_found++;
}
uint32_t nhip = 0;
uint8_t index;
- //lib_arp_get_mac_req++;
nhip = get_nh(ipaddr, phy_port, hw_addr);
if (unlikely(nhip == 0)) {
if (ARPICMP_DEBUG)
* & 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;
}
if (ret_arp_data == NULL) {
if (ARPICMP_DEBUG && ipaddr)
{
- RTE_LOG(INFO, LIBARP,"ARPICMP no arp entry found for ip %x, port %u\n", ipaddr, *phy_port);
+ 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++;
} else if (ret_arp_data->status == COMPLETE) {
+ rte_rwlock_write_lock(&ret_arp_data->queue_lock);
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]);
+ 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++;
+ rte_rwlock_write_unlock(&ret_arp_data->queue_lock);
lib_arp_arp_entry_found++;
-
if (ARPICMP_DEBUG)
printf("%s: ARPICMP hwaddr found\n", __FUNCTION__);
}
if (ret_arp_data)
- ret_arp_data->n_last_update = time(NULL);
+ p_arp_data->update_tsc[*phy_port] = rte_rdtsc();
return ret_arp_data;
}
-int get_dest_mac_address_ipv6_port(uint8_t ipv6addr[], uint32_t *phy_port,
- struct ether_addr *hw_addr, uint8_t nhipv6[])
+struct nd_entry_data *get_dest_mac_address_ipv6_port(uint8_t ipv6addr[],
+ uint32_t *phy_port, struct ether_addr *hw_addr, uint8_t nhipv6[])
{
int i = 0, j = 0, flag = 0;
+ uint8_t index;
lib_nd_get_mac_req++;
- get_nh_ipv6(ipv6addr, phy_port, nhipv6);
+ get_nh_ipv6(ipv6addr, phy_port, nhipv6, hw_addr);
for (j = 0; j < 16; j++) {
if (nhipv6[j])
flag++;
}
+
if (flag == 0) {
if (NDIPV6_DEBUG)
printf("NDIPV6 no nh found for ipv6 "
struct nd_key_ipv6 tmp_nd_key;
tmp_nd_key.port_id = *phy_port;
+ if (nd_cache_dest_mac_present(*phy_port)) {
+ return &nd_entry_data_default;
+ }
+
+
for (i = 0; i < 16; i++)
tmp_nd_key.ipv6[i] = nhipv6[i];
- ret_nd_data = retrieve_nd_entry(tmp_nd_key);
+ ret_nd_data = retrieve_nd_entry(tmp_nd_key, DYNAMIC_ND);
if (ret_nd_data == NULL) {
if (NDIPV6_DEBUG) {
printf("NDIPV6 no nd entry found for ip %x, port %d\n",
ipv6addr[0], *phy_port);
}
lib_nd_no_arp_entry_found++;
- return 0;
- }
- ether_addr_copy(&ret_nd_data->eth_addr, hw_addr);
- lib_nd_nd_entry_found++;
- return 1;
-}
-
-int get_dest_mac_address_ipv6(uint8_t ipv6addr[], uint32_t *phy_port,
- struct ether_addr *hw_addr, uint8_t nhipv6[])
-{
- int i = 0, j = 0, flag = 0;
- lib_nd_get_mac_req++;
-
- get_nh_ipv6(ipv6addr, phy_port, nhipv6);
- for (j = 0; j < 16; j++) {
- if (nhipv6[j]) {
- flag++;
- }
- }
- if (flag == 0) {
- if (NDIPV6_DEBUG && ipv6addr)
- RTE_LOG(INFO, LIBARP,
- "NDIPV6 no nh found for ipv6 %x, port %d\n",
- ipv6addr[0], *phy_port);
- return 0;
- }
-
- struct nd_entry_data *ret_nd_data = NULL;
- struct nd_key_ipv6 tmp_nd_key;
- tmp_nd_key.port_id = *phy_port;
+ return NULL;
+ } else if (ret_nd_data->status == COMPLETE) {
+ rte_rwlock_write_lock(&ret_nd_data->queue_lock);
+ ether_addr_copy(&ret_nd_data->eth_addr, hw_addr);
+ p_arp_data->nd_cache_hw_laddr_valid[*phy_port] = 1;
+ index = p_arp_data->nd_local_cache[*phy_port].num_nhip;
+ rte_mov16(&p_arp_data->nd_local_cache[*phy_port].nhip[index][0],
+ &nhipv6[0]);
+ ether_addr_copy(hw_addr,
+ &p_arp_data->nd_local_cache[*phy_port].link_hw_laddr[index]);
+ p_arp_data->nd_local_cache[*phy_port].num_nhip++;
- for (i = 0; i < 16; i++) {
- tmp_nd_key.ipv6[i] = nhipv6[i];
+ lib_nd_nd_entry_found++;
+ rte_rwlock_write_unlock(&ret_nd_data->queue_lock);
}
- ret_nd_data = retrieve_nd_entry(tmp_nd_key);
- if (ret_nd_data == NULL) {
- if (NDIPV6_DEBUG && ipv6addr) {
- RTE_LOG(INFO, LIBARP,
- "NDIPV6 no nd entry found for ip %x, port %d\n",
- ipv6addr[0], *phy_port);
- }
- if (flag != 0) {
- if (ARPICMP_DEBUG > 4)
- printf
- ("Requesting ARP for ipv6 addr and port %d\n",
- *phy_port);
- request_nd(&nhipv6[0], ifm_get_port(*phy_port));
+ if (ret_nd_data)
+ p_arp_data->update_tsc[*phy_port] = rte_rdtsc();
- }
-
- lib_nd_no_arp_entry_found++;
- return 0;
- }
- ether_addr_copy(&ret_nd_data->eth_addr, hw_addr);
- lib_nd_nd_entry_found++;
- return 1;
+ return ret_nd_data;
}
/**
fflush(stdout);
}
+/**
+ * Add entry in ND table.
+ *
+ * @param nd_key
+ * key.
+ * @param ret_nd_data
+ * return nd entry from table.
+ *
+ */
+static int add_nd_data(struct nd_key_ipv6 *nd_key,
+ struct nd_entry_data *ret_nd_data)
+{
+ int ret;
+ struct nd_entry_data *tmp_nd_data = NULL;
+ rte_rwlock_write_lock(&nd_hash_handle_lock);
+ /* Check for value while locked */
+ ret = rte_hash_lookup_data(nd_hash_handle, nd_key, (void **)&tmp_nd_data);
+
+ if (ret == -ENOENT) {
+ /* entry not yet added, do so now */
+ ret = rte_hash_add_key_data(nd_hash_handle, nd_key, ret_nd_data);
+ if (ret) {
+ /* We panic here because either:
+ * ret == -EINVAL and a parameter got messed up, or
+ * ret == -ENOSPC and the hash table isn't big enough
+ */
+ rte_panic("ND: Error on entry add for %s", rte_strerror(abs(ret)));
+ }
+ } else if (ret < 0) {
+ /* We panic here because ret == -EINVAL and a parameter got
+ * messed up, or dpdk hash lib changed and this needs corrected */
+ rte_panic("ARP: Error on entry add for %s", rte_strerror(abs(ret)));
+ } else {
+ /* entry already exists */
+ ret = EEXIST;
+ }
+
+ rte_rwlock_write_unlock(&nd_hash_handle_lock);
+ return ret;
+}
+
+/**
+ * Add entry in ARP table.
+ *
+ * @param arp_key
+ * key.
+ * @param ret_arp_data
+ * return arp entry from table.
+ *
+ */
+static int add_arp_data(struct arp_key_ipv4 *arp_key,
+ struct arp_entry_data *ret_arp_data) {
+ int ret;
+ struct arp_entry_data *tmp_arp_data = NULL;
+ rte_rwlock_write_lock(&arp_hash_handle_lock);
+ /* Check for value while locked */
+ ret = rte_hash_lookup_data(arp_hash_handle, arp_key, (void **)&tmp_arp_data);
+
+ if (ret == -ENOENT) {
+ /* entry not yet added, do so now */
+ ret = rte_hash_add_key_data(arp_hash_handle, arp_key, ret_arp_data);
+ if (ret) {
+ /* We panic here because either:
+ * ret == -EINVAL and a parameter got messed up, or
+ * ret == -ENOSPC and the hash table isn't big enough
+ */
+ rte_panic("ARP: Error on entry add for %s - %s",
+ inet_ntoa(*(struct in_addr *)&arp_key->ip),
+ rte_strerror(abs(ret)));
+ }
+ } else if (ret < 0) {
+ /* We panic here because ret == -EINVAL and a parameter got
+ * messed up, or dpdk hash lib changed and this needs corrected */
+ rte_panic("ARP: Error on entry add for %s - %s",
+ inet_ntoa(*(struct in_addr *)&arp_key->ip),
+ rte_strerror(abs(ret)));
+ } else {
+ /* entry already exists */
+ ret = EEXIST;
+ }
+
+ rte_rwlock_write_unlock(&arp_hash_handle_lock);
+ return ret;
+}
+
struct arp_entry_data *retrieve_arp_entry(struct arp_key_ipv4 arp_key, uint8_t mode)
{
struct arp_entry_data *ret_arp_data = NULL;
(void **)&ret_arp_data);
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);
+ 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),
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);
+ /* attempt to add arp_entry to hash */
+ ret = add_arp_data(&arp_key, ret_arp_data);
+
+ if (ret == EEXIST) {
+ rte_rwlock_write_unlock(&ret_arp_data->queue_lock);
+ rte_free(ret_arp_data);
+ /* Some other thread has 'beat' this thread in
+ creation of arp_data, try again */
+ return NULL;
+ }
+
if (rte_mempool_get(timer_mempool_arp,
(void **) &(ret_arp_data->timer) ) < 0) {
+ rte_rwlock_write_unlock(&ret_arp_data->queue_lock);
RTE_LOG(INFO, LIBARP,"Error in getting timer alloc buf\n");
return NULL;
}
- ret_arp_data->buf_pkts = (struct rte_mbuf **)rte_zmalloc_socket(
+ 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);
+ if (ret_arp_data->buf_pkts == NULL) {
+ rte_rwlock_write_unlock(&ret_arp_data->queue_lock);
+ RTE_LOG(INFO, LIBARP,"Could not allocate buf for queueing\n");
+ return NULL;
+ }
rte_timer_init(ret_arp_data->timer);
struct arp_timer_key * callback_key =
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);
+ 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,
/* send arp request */
request_arp(arp_key.port_id, arp_key.ip);
+ rte_rwlock_write_unlock(&ret_arp_data->queue_lock);
} else {
if (ret_arp_data &&
ret_arp_data->mode == DYNAMIC_ARP && ret_arp_data->status == STALE) {
+ rte_rwlock_write_lock(&ret_arp_data->queue_lock);
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,
+ 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");
+ if(ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,"Err : Timer already running\n");
- ret_arp_data->timer_key = callback_key;
+ ret_arp_data->timer_key = callback_key;
/* send arp request */
request_arp(arp_key.port_id, arp_key.ip);
+ rte_rwlock_write_unlock(&ret_arp_data->queue_lock);
}
}
return ret_arp_data;
}
-struct nd_entry_data *retrieve_nd_entry(struct nd_key_ipv6 nd_key)
+struct nd_entry_data *retrieve_nd_entry(struct nd_key_ipv6 nd_key, uint8_t mode)
{
struct nd_entry_data *ret_nd_data = NULL;
nd_key.filler1 = 0;
/*Find a nd IPv6 key-data pair in the hash table for ND IPv6 */
int ret = rte_hash_lookup_data(nd_hash_handle, &nd_key,
(void **)&ret_nd_data);
- if (ret < 0) {
-/* RTE_LOG(INFO, LIBARP,"nd-hash: no lookup Entry Found - ret %d, EINVAL %d, ENOENT %d\n",
- ret, EINVAL, ENOENT);*/
- } else {
- if (ret_nd_data->mode == DYNAMIC_ND) {
- struct nd_timer_key callback_key;
- callback_key.port_id = ret_nd_data->port;
+ if (ret < 0 && (mode == DYNAMIC_ND)) {
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP, "ND entry not found for ip \n");
- for (i = 0; i < ND_IPV6_ADDR_SIZE; i++) {
- callback_key.ipv6[i] = ret_nd_data->ipv6[i];
+ /* add INCOMPLETE arp entry */
+ ret_nd_data = rte_malloc_socket(NULL, sizeof(struct nd_entry_data),
+ RTE_CACHE_LINE_SIZE, rte_socket_id());
+ ether_addr_copy(&null_ether_addr, &ret_nd_data->eth_addr);
+ ret_nd_data->status = INCOMPLETE;
+ ret_nd_data->port = nd_key.port_id;
+
+ for (i = 0; i < ND_IPV6_ADDR_SIZE; i++)
+ ret_nd_data->ipv6[i] = nd_key.ipv6[i];
+ ret_nd_data->mode = mode;
+ ret_nd_data->num_pkts = 0;
+ rte_rwlock_init(&ret_nd_data->queue_lock);
+ rte_rwlock_write_lock(&ret_nd_data->queue_lock);
+
+ /* attempt to add arp_entry to hash */
+ ret = add_nd_data(&nd_key, ret_nd_data);
+
+ if (ret == EEXIST) {
+ rte_rwlock_write_unlock(&ret_nd_data->queue_lock);
+ rte_free(ret_nd_data);
+ /* Some other thread has 'beat' this thread in
+ creation of arp_data, try again */
+ return NULL;
+ }
+
+
+ if (rte_mempool_get(timer_mempool_arp,
+ (void **) &(ret_nd_data->timer) ) < 0) {
+ RTE_LOG(INFO, LIBARP,"Error in getting timer alloc buf\n");
+ rte_rwlock_write_unlock(&ret_nd_data->queue_lock);
+ return NULL;
+ }
+
+ ret_nd_data->buf_pkts = (struct rte_mbuf **)rte_zmalloc_socket(
+ NULL, sizeof(struct rte_mbuf *) * nd_buffer,
+ RTE_CACHE_LINE_SIZE, rte_socket_id());
+
+ if (ret_nd_data->buf_pkts == NULL) {
+ rte_rwlock_write_unlock(&ret_nd_data->queue_lock);
+ RTE_LOG(INFO, LIBARP,"Could not allocate buf for queueing\n");
+ return NULL;
+ }
+
+ rte_timer_init(ret_nd_data->timer);
+ struct nd_timer_key * callback_key =
+ (struct nd_timer_key*) rte_malloc(NULL,
+ sizeof(struct nd_timer_key*),RTE_CACHE_LINE_SIZE);
+ callback_key->port_id = nd_key.port_id;
+ for (i = 0; i < ND_IPV6_ADDR_SIZE; i++) {
+ callback_key->ipv6[i] = ret_nd_data->ipv6[i];
+ }
+
+ if(ARPICMP_DEBUG) {
+ RTE_LOG(INFO, LIBARP,"TIMER STARTED FOR %u seconds\n",
+ ARP_TIMER_EXPIRY);
+ }
+ if(rte_timer_reset(ret_nd_data->timer,
+ (PROBE_TIME * rte_get_tsc_hz() / 1000),
+ SINGLE,timer_lcore,
+ nd_timer_callback,
+ callback_key) < 0)
+ if(ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,"Err : Timer already running\n");
+
+ ret_nd_data->timer_key = callback_key;
+ /* send nd request */
+ request_nd(callback_key->ipv6, ifm_get_port(callback_key->port_id));
+ rte_rwlock_write_unlock(&ret_nd_data->queue_lock);
+ } else {
+ if (ret_nd_data &&
+ ret_nd_data->mode == DYNAMIC_ND && ret_nd_data->status == STALE) {
+ rte_rwlock_write_lock(&ret_nd_data->queue_lock);
+ ether_addr_copy(&null_ether_addr, &ret_nd_data->eth_addr);
+ ret_nd_data->status = PROBE;
+ struct nd_timer_key * callback_key =
+ (struct nd_timer_key*) rte_malloc(NULL,
+ sizeof(struct nd_timer_key*),RTE_CACHE_LINE_SIZE);
+
+ callback_key->port_id = nd_key.port_id;
+ for (i = 0; i < ND_IPV6_ADDR_SIZE; i++) {
+ callback_key->ipv6[i] = ret_nd_data->ipv6[i];
}
if (rte_timer_reset
- (ret_nd_data->timer,
- (arp_timeout * rte_get_tsc_hz()), SINGLE,
- timer_lcore, nd_timer_callback, &callback_key) < 0)
- if (ARPICMP_DEBUG)
- RTE_LOG(INFO, LIBARP,
- "Err : Timer already running\n");
+ (ret_nd_data->timer,
+ (arp_timeout * rte_get_tsc_hz()), SINGLE,
+ timer_lcore, nd_timer_callback, callback_key) < 0)
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,
+ "Err : Timer already running\n");
+ ret_nd_data->timer_key = callback_key;
+
+ /* send nd request */
+ request_nd(callback_key->ipv6, ifm_get_port(callback_key->port_id));
+ rte_rwlock_write_unlock(&ret_nd_data->queue_lock);
}
- return ret_nd_data;
}
-
- return NULL;
+ return ret_nd_data;
}
static const char* arp_status[] = {"INCOMPLETE", "COMPLETE", "PROBE", "STALE"};
void *next_data;
uint32_t iter = 0;
- printf
- ("------------------------ ARP CACHE -----------------------------------------\n");
- printf
- ("----------------------------------------------------------------------------\n");
+ printf("------------------------ ARP CACHE ------------------------------------\n");
+ printf("-----------------------------------------------------------------------\n");
printf("\tport hw addr status ip addr\n");
- printf
- ("----------------------------------------------------------------------------\n");
+ printf("-----------------------------------------------------------------------\n");
while (rte_hash_iterate(arp_hash_handle, &next_key, &next_data, &iter)
>= 0) {
(struct arp_entry_data *)next_data;
struct arp_key_ipv4 tmp_arp_key;
memcpy(&tmp_arp_key, next_key, sizeof(struct arp_key_ipv4));
- printf
- ("\t%4d %02X:%02X:%02X:%02X:%02X:%02X %10s %d.%d.%d.%d\n",
+ printf("\t%4d %02X:%02X:%02X:%02X:%02X:%02X"
+ " %10s %d.%d.%d.%d\n",
tmp_arp_data->port, tmp_arp_data->eth_addr.addr_bytes[0],
tmp_arp_data->eth_addr.addr_bytes[1],
tmp_arp_data->eth_addr.addr_bytes[2],
printf("0x%x 0x%x %d 0x%x\n",
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);
+ p_arp_data->lib_arp_route_table[i].port,
+ p_arp_data->lib_arp_route_table[i].nh);
}
- printf
- ("\nARP Stats: Total Queries %u, ok_NH %u, no_NH %u, ok_Entry %u, no_Entry %u, PopulateCall %u, Del %u, Dup %u\n",
+ printf("\nARP Stats: Total Queries %u, ok_NH %u, no_NH %u, ok_Entry %u,"
+ " no_Entry %u, PopulateCall %u, Del %u, Dup %u\n",
lib_arp_get_mac_req, lib_arp_nh_found, lib_arp_no_nh_found,
lib_arp_arp_entry_found, lib_arp_no_arp_entry_found,
lib_arp_populate_called, lib_arp_delete_called,
void *next_data;
uint32_t iter = 0;
uint8_t ii = 0, j = 0, k = 0;
- printf
- ("------------------------------------------------------------------------------------------------------\n");
+ printf("-----------------------------------------------------------------------\n");
printf("\tport hw addr status ip addr\n");
- printf
- ("------------------------------------------------------------------------------------------------------\n");
+ printf("-----------------------------------------------------------------------\n");
while (rte_hash_iterate(nd_hash_handle, &next_key, &next_data, &iter) >=
0) {
tmp_nd_data->eth_addr.addr_bytes[3],
tmp_nd_data->eth_addr.addr_bytes[4],
tmp_nd_data->eth_addr.addr_bytes[5],
- tmp_nd_data->status ==
- COMPLETE ? "COMPLETE" : "INCOMPLETE");
+ arp_status[tmp_nd_data->status]);
printf("\t\t\t\t\t\t");
for (ii = 0; ii < ND_IPV6_ADDR_SIZE; ii += 2) {
printf("%02X%02X ", tmp_nd_data->ipv6[ii],
uint32_t i = 0;
printf("\n\nND IPV6 routing table has %d entries\n",
nd_route_tbl_index);
- printf
- ("\nIP_Address Depth Port NH_IP_Address\n");
+ printf("\nIP_Address Depth");
+ printf(" Port NH_IP_Address\n");
for (i = 0; i < nd_route_tbl_index; i++) {
printf("\n");
lib_nd_route_table[i].ipv6[k + 1]);
}
}
- printf
- ("\nND IPV6 Stats: \nTotal Queries %u, ok_NH %u, no_NH %u, ok_Entry %u, no_Entry %u, PopulateCall %u, Del %u, Dup %u\n",
+ printf("\nND IPV6 Stats: \nTotal Queries %u, ok_NH %u,"
+ " no_NH %u, ok_Entry %u, no_Entry %u, PopulateCall %u, Del %u, Dup %u\n",
lib_nd_get_mac_req, lib_nd_nh_found, lib_nd_no_nh_found,
lib_nd_nd_entry_found, lib_nd_no_arp_entry_found,
lib_nd_populate_called, lib_nd_delete_called,
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 & 0x00ff0000) >> 16),
+ ((arp_key->ip & 0x0000ff00) >> 8),
((arp_key->ip & 0x000000ff)),
arp_key->port_id);
}
}
/* ND IPv6 */
-void remove_nd_entry_ipv6(uint8_t ipv6addr[], uint8_t portid)
+void remove_nd_entry_ipv6(struct nd_entry_data *ret_nd_data, void *arg)
{
int i = 0;
- struct nd_entry_data *ret_nd_data = NULL;
- struct nd_key_ipv6 nd_key;
- nd_key.port_id = portid;
-
- for (i = 0; i < ND_IPV6_ADDR_SIZE; i++) {
- nd_key.ipv6[i] = ipv6addr[i];
- }
-
- nd_key.filler1 = 0;
- nd_key.filler2 = 0;
- nd_key.filler3 = 0;
+ struct nd_timer_key *timer_key = (struct nd_timer_key *)arg;
lib_nd_delete_called++;
- if (NDIPV6_DEBUG) {
- RTE_LOG(INFO, LIBARP,
- "Deletes rte hash table nd entry for port %d ipv6=",
- nd_key.port_id);
- for (i = 0; i < ND_IPV6_ADDR_SIZE; i += 2) {
- RTE_LOG(INFO, LIBARP, "%02X%02X ", nd_key.ipv6[i],
- nd_key.ipv6[i + 1]);
- }
- }
- struct nd_timer_key callback_key;
- callback_key.port_id = portid;
-
- for (i = 0; i < ND_IPV6_ADDR_SIZE; i++) {
- callback_key.ipv6[i] = ipv6addr[i];
-
- }
- int ret = rte_hash_lookup_data(arp_hash_handle, &callback_key,
- (void **)&ret_nd_data);
- if (ret < 0) {
-// RTE_LOG(INFO, LIBARP,"arp-hash lookup failed ret %d, EINVAL %d, ENOENT %d\n", ret, EINVAL, ENOENT);
- } else {
- if (ret_nd_data->mode == DYNAMIC_ND) {
- rte_timer_stop(ret_nd_data->timer);
- rte_free(ret_nd_data->timer);
- }
- }
- rte_hash_del_key(nd_hash_handle, &nd_key);
+ rte_timer_stop(ret_nd_data->timer);
+ rte_free(ret_nd_data->timer_key);
+ rte_free(ret_nd_data->buf_pkts);
+ ret_nd_data->buf_pkts = NULL;
+
+ if (NDIPV6_DEBUG) {
+ RTE_LOG(INFO, LIBARP,
+ "Deletes rte hash table nd entry for port %d ipv6=",
+ timer_key->port_id);
+ for (i = 0; i < ND_IPV6_ADDR_SIZE; i += 2) {
+ RTE_LOG(INFO, LIBARP, "%02X%02X ", timer_key->ipv6[i],
+ timer_key->ipv6[i + 1]);
+ }
+ }
+ rte_hash_del_key(nd_hash_handle, timer_key);
}
int
arp_queue_unresolved_packet(struct arp_entry_data *ret_arp_data, struct rte_mbuf *pkt)
{
+ rte_rwlock_write_lock(&ret_arp_data->queue_lock);
if (ret_arp_data->num_pkts == NUM_DESC) {
+ rte_rwlock_write_unlock(&ret_arp_data->queue_lock);
return 0;
}
+
ret_arp_data->buf_pkts[ret_arp_data->num_pkts++] = pkt;
+ rte_rwlock_write_unlock(&ret_arp_data->queue_lock);
return 0;
}
void
-arp_send_buffered_pkts(struct arp_entry_data *ret_arp_data,struct ether_addr *hw_addr, uint8_t port_id)
+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;
+ rte_rwlock_write_lock(&ret_arp_data->queue_lock);
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));
+ 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);
rte_pktmbuf_free(tmp);
}
ret_arp_data->num_pkts = 0;
- ret_arp_data->buffered_pkt_list_head = NULL;
+ rte_rwlock_write_unlock(&ret_arp_data->queue_lock);
+}
+int
+nd_queue_unresolved_packet(struct nd_entry_data *ret_nd_data, struct rte_mbuf *pkt)
+{
+ rte_rwlock_write_lock(&ret_nd_data->queue_lock);
+ if (ret_nd_data->num_pkts == get_nd_buf()) {
+ rte_rwlock_write_unlock(&ret_nd_data->queue_lock);
+ return 0;
+ }
+
+ ret_nd_data->buf_pkts[ret_nd_data->num_pkts++] = pkt;
+ rte_rwlock_write_unlock(&ret_nd_data->queue_lock);
+ return 0;
+}
+
+void
+nd_send_buffered_pkts(struct nd_entry_data *ret_nd_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_nd_data)
+ return;
+
+ rte_rwlock_write_lock(&ret_nd_data->queue_lock);
+ for (i=0;i<(int)ret_nd_data->num_pkts;i++) {
+ pkt = ret_nd_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_nd_data->num_pkts = 0;
+ rte_rwlock_write_unlock(&ret_nd_data->queue_lock);
}
void
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);
-
- return;
- }
+ && 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;
+ }
if (mode == DYNAMIC_ARP) {
arp_key.port_id);
}
lib_arp_duplicate_found++;
+ rte_rwlock_write_lock(&new_arp_data->queue_lock);
new_arp_data->retry_count = 0; // Reset
if (new_arp_data->status == STALE) {
new_arp_data->status = PROBE;
new_arp_data->port);
}
}
-
+
if (rte_timer_reset(new_arp_data->timer,
(arp_timeout * rte_get_tsc_hz()),
SINGLE, timer_lcore,
RTE_LOG(INFO, LIBARP,
"Err : Timer already running\n");
}
+ rte_rwlock_write_unlock(&new_arp_data->queue_lock);
return;
} else {
+ rte_rwlock_write_lock(&new_arp_data->queue_lock);
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->n_confirmed = rte_rdtsc();
new_arp_data->retry_count = 0;
if (rte_timer_reset(new_arp_data->timer,
(arp_timeout * rte_get_tsc_hz()),
"Err : Timer already running\n");
}
}
+ rte_rwlock_write_unlock(&new_arp_data->queue_lock);
return;
}
} else {
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);
+
+ /* attempt to add arp_entry to hash */
+ int ret;
+ ret = add_arp_data(&arp_key, new_arp_data);
+ if (ret) {
+ /* Some other thread created an entry for this ip */
+ rte_free(new_arp_data);
+ }
+
if (ARPICMP_DEBUG) {
RTE_LOG(INFO, LIBARP,
"arp_entry exists ip :%d.%d.%d.%d , port %d\n",
* Install key - data pair in Hash table - From Pipeline Configuration
*
*/
-
void populate_nd_entry(const struct ether_addr *hw_addr, uint8_t ipv6[],
uint8_t portid, uint8_t mode)
{
/* need to lock here if multi-threaded */
/* rte_hash_add_key_data is not thread safe */
- uint8_t i;
+ uint8_t i, val = 0;
struct nd_key_ipv6 nd_key;
nd_key.port_id = portid;
- for (i = 0; i < ND_IPV6_ADDR_SIZE; i++)
+ for (i = 0; i < ND_IPV6_ADDR_SIZE; i++) {
nd_key.ipv6[i] = ipv6[i];
+ val |= ipv6[i];
+ }
+
+ if (!val)
+ return;
-// RTE_LOG(INFO, LIBARP,"\n");
nd_key.filler1 = 0;
nd_key.filler2 = 0;
nd_key.filler3 = 0;
lib_nd_populate_called++;
/* Validate if key-value pair already exists in the hash table for ND IPv6 */
- struct nd_entry_data *new_nd_data = retrieve_nd_entry(nd_key);
+ struct nd_entry_data *new_nd_data = retrieve_nd_entry(nd_key, mode);
+ if (new_nd_data && ((new_nd_data->mode == STATIC_ND
+ && mode == DYNAMIC_ND) || (new_nd_data->mode == DYNAMIC_ND
+ && mode == STATIC_ND))) {
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP, "populate_arp_entry: ND entry already"
+ " exists(%d %d)\n", new_nd_data->mode, mode);
+ return;
+ }
if (mode == DYNAMIC_ND) {
- if (new_nd_data
- && is_same_ether_addr(&new_nd_data->eth_addr, hw_addr)) {
+ if (new_nd_data && is_same_ether_addr(&new_nd_data->eth_addr, hw_addr)) {
if (NDIPV6_DEBUG) {
RTE_LOG(INFO, LIBARP,
}
lib_nd_duplicate_found++;
- RTE_LOG(INFO, LIBARP, "nd_entry exists\n");
- return;
- }
- uint32_t size =
- RTE_CACHE_LINE_ROUNDUP(sizeof(struct nd_entry_data));
- new_nd_data = rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
-
- //new_nd_data = (struct nd_entry_data *)rte_malloc(NULL, sizeof(struct nd_entry_data *),RTE_CACHE_LINE_SIZE);
- new_nd_data->eth_addr = *hw_addr;
- new_nd_data->status = COMPLETE;
- new_nd_data->port = portid;
- new_nd_data->mode = mode;
- if (rte_mempool_get
- (timer_mempool_arp, (void **)&(new_nd_data->timer)) < 0) {
- RTE_LOG(INFO, LIBARP,
- "TIMER - Error in getting timer alloc buffer\n");
+ rte_rwlock_write_lock(&new_nd_data->queue_lock);
+ if (new_nd_data->status == STALE) {
+ new_nd_data->retry_count = 0; // Reset
+ new_nd_data->status = PROBE;
+ request_nd(new_nd_data->ipv6,
+ ifm_get_port(new_nd_data->port));
+
+ if (rte_timer_reset(new_nd_data->timer,
+ (arp_timeout * rte_get_tsc_hz()),
+ SINGLE, timer_lcore,
+ nd_timer_callback,
+ new_nd_data->timer_key) < 0) {
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,
+ "Err : Timer already running\n");
+ }
+ }
+ rte_rwlock_write_unlock(&new_nd_data->queue_lock);
return;
- }
-
- if (NDIPV6_DEBUG)
- RTE_LOG(INFO, LIBARP, "populate_nd_entry ipv6=");
-
- for (i = 0; i < ND_IPV6_ADDR_SIZE; i++) {
- new_nd_data->ipv6[i] = ipv6[i];
- }
-
- if (NDIPV6_DEBUG) {
- for (i = 0; i < ND_IPV6_ADDR_SIZE; i += 2) {
-
- RTE_LOG(INFO, LIBARP, "%02X%02X ",
- new_nd_data->ipv6[i],
- new_nd_data->ipv6[i + 1]);
+ } else {
+ rte_rwlock_write_lock(&new_nd_data->queue_lock);
+ ether_addr_copy(hw_addr, &new_nd_data->eth_addr);
+ if ((new_nd_data->status == INCOMPLETE) ||
+ (new_nd_data->status == PROBE)) {
+ new_nd_data->status = COMPLETE;
+ new_nd_data->mode = mode;
+ new_nd_data->n_confirmed = rte_rdtsc();
+ new_nd_data->retry_count = 0;
+ if (rte_timer_reset(new_nd_data->timer,
+ (arp_timeout * rte_get_tsc_hz()),
+ SINGLE, timer_lcore,
+ nd_timer_callback,
+ new_nd_data->timer_key) < 0) {
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,
+ "Err : Timer already running\n");
+ }
}
- }
-
- /*Add a key-data pair at hash table for ND IPv6 static routing */
- rte_hash_add_key_data(nd_hash_handle, &nd_key, new_nd_data);
- /* need to check the return value of the hash add */
-
- /* after the hash is created then time is started */
- rte_timer_init(new_nd_data->timer);
- struct nd_timer_key *callback_key =
- (struct nd_timer_key *)rte_malloc(NULL,
- sizeof(struct nd_timer_key
- *),
- RTE_CACHE_LINE_SIZE);
- callback_key->port_id = portid;
+ rte_rwlock_write_unlock(&new_nd_data->queue_lock);
+ return;
+ }
- for (i = 0; i < ND_IPV6_ADDR_SIZE; i++) {
- callback_key->ipv6[i] = ipv6[i];
- }
- if (rte_timer_reset
- (new_nd_data->timer, (arp_timeout * rte_get_tsc_hz()),
- SINGLE, timer_lcore, nd_timer_callback, callback_key) < 0)
- RTE_LOG(INFO, LIBARP, "Err : Timer already running\n");
} else {
if (new_nd_data
&& is_same_ether_addr(&new_nd_data->eth_addr, hw_addr)) {
new_nd_data =
rte_zmalloc(NULL, size, RTE_CACHE_LINE_SIZE);
- //new_nd_data = (struct nd_entry_data *)rte_malloc(NULL, sizeof(struct nd_entry_data *),RTE_CACHE_LINE_SIZE);
new_nd_data->eth_addr = *hw_addr;
new_nd_data->status = COMPLETE;
new_nd_data->port = portid;
for (i = 0; i < ND_IPV6_ADDR_SIZE; i++) {
new_nd_data->ipv6[i] = ipv6[i];
}
+ new_nd_data->mode = mode;
+ new_nd_data->num_pkts = 0;
/*Add a key-data pair at hash table for ND IPv6 static routing */
- rte_hash_add_key_data(nd_hash_handle, &nd_key,
- new_nd_data);
+ /* attempt to add arp_entry to hash */
+ int ret;
+ ret = add_nd_data(&nd_key, new_nd_data);
+ if (ret) {
+ rte_free(new_nd_data);
+ }
+
/* need to check the return value of the hash add */
+ #ifdef L3_STACK_SUPPORT
+ // Call l3fwd module for resolving 2_adj structure.
+ resolve_l2_adj(ipaddr, portid, hw_addr);
+ #endif
}
}
+
if (NDIPV6_DEBUG)
printf
("\n....Added a key-data pair at rte hash table for ND IPv6 static routing\n");
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, DYNAMIC_ARP);
+ 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
{
uint32_t arp_route_tbl_present = 0;
uint32_t nd_route_tbl_present = 0;
- uint32_t ports_mac_list_present = 0;
uint32_t numArg;
uint32_t n_vnf_threads_present = 0;
pub_to_prv_map[i] = 0xff;
}
- RTE_SET_USED(ports_mac_list_present);
RTE_SET_USED(nd_route_tbl_present);
RTE_SET_USED(arp_route_tbl_present);
for (numArg = 0; numArg < params->n_args; numArg++) {
if (strcmp(arg_name, "arp_buf") == 0) {
arp_buffer = atoi(arg_value);
+ continue;
+ }
+
+ if (strcmp(arg_name, "nd_buf") == 0) {
+ nd_buffer = atoi(arg_value);
+ continue;
}
/* prv_to_pub_map */
continue;
}
- /* ports_mac_list */
- if (strcmp(arg_name, "ports_mac_list") == 0) {
- ports_mac_list_present = 1;
-
- uint32_t i = 0, j = 0, k = 0, MAC_NUM_BYTES = 6;
-
- char byteStr[MAC_NUM_BYTES][3];
- uint32_t byte[MAC_NUM_BYTES];
-
- char *token = strtok(arg_value, " ");
- while (token) {
- k = 0;
- for (i = 0; i < MAC_NUM_BYTES; i++) {
- for (j = 0; j < 2; j++) {
- byteStr[i][j] = token[k++];
- }
- byteStr[i][j] = '\0';
- k++;
- }
-
- for (i = 0; i < MAC_NUM_BYTES; i++) {
- byte[i] = strtoul(byteStr[i], NULL, 16);
- }
-
- if (ARPICMP_DEBUG) {
- RTE_LOG(INFO, LIBARP, "token: %s",
- token);
- for (i = 0; i < MAC_NUM_BYTES; i++)
- RTE_LOG(INFO, LIBARP,
- ", byte[%u] %u", i,
- byte[i]);
- RTE_LOG(INFO, LIBARP, "\n");
- }
- //Populate the static arp_route_table
- for (i = 0; i < MAC_NUM_BYTES; i++)
- p_arp_data->link_hw_addr[p_arp_data->link_hw_addr_array_idx].addr_bytes[i] = byte[i];
-
- p_arp_data->link_hw_addr_array_idx++;
- token = strtok(NULL, " ");
- }
-
- continue;
- }
-
/* arp_route_tbl */
if (strcmp(arg_name, "arp_route_tbl") == 0) {
arp_route_tbl_present = 1;
//Populate the static arp_route_table
struct lib_arp_route_table_entry *lentry =
&p_arp_data->lib_arp_route_table
- [p_arp_data->lib_arp_route_ent_cnt];
+ [p_arp_data->lib_arp_route_ent_cnt];
lentry->ip = dest_ip;
lentry->mask = mask;
lentry->port = tx_port;
}
}
+struct ether_addr *get_nd_local_link_hw_addr(uint8_t out_port, uint8_t nhip[])
+{
+ int i, j, limit;
+ struct ether_addr *x = NULL;
+ limit = p_arp_data->nd_local_cache[out_port].num_nhip;
+
+ for (i=0; i < limit; i++) {
+ for (j=0;j<16;j++) {
+ if (p_arp_data->nd_local_cache[out_port].nhip[i][j] != nhip[j])
+ continue;
+ }
+
+ x = &p_arp_data->nd_local_cache[out_port].link_hw_laddr[i];
+ return x;
+ }
+
+ return x;
+}
+
struct ether_addr *get_local_link_hw_addr(uint8_t out_port, uint32_t nhip)
{
int i, limit;
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];
+ x = &p_arp_data->arp_local_cache[out_port].link_hw_laddr[i];
return x;
}
}
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;
}
+ /* acquire the mac addresses */
+ struct ether_addr hw_addr;
+ uint8_t nb_ports = rte_eth_dev_count();
+
+ for (i = 0; i < nb_ports; i++) {
+ rte_eth_macaddr_get(i, &hw_addr);
+ ether_addr_copy(&hw_addr, &p_arp_data->link_hw_addr[i]);
+ p_arp_data->link_hw_addr_array_idx++;
+ }
+
+ /* create a lock for arp/nd hash */
+ rte_rwlock_init(&arp_hash_handle_lock);
+ rte_rwlock_init(&nd_hash_handle_lock);
+
/* create the arp_icmp mbuf rx pool */
lib_arp_pktmbuf_tx_pool =
rte_pktmbuf_pool_create("lib_arp_mbuf_tx_pool", NB_ARPICMP_MBUF, 32,
return;
}
}
+
+ /* create the nd icmp mbuf rx pool */
+ lib_nd_pktmbuf_tx_pool =
+ rte_pktmbuf_pool_create("lib_nd_mbuf_tx_pool", NB_ARPICMP_MBUF, 32,
+ 0, RTE_MBUF_DEFAULT_BUF_SIZE,
+ rte_socket_id());
+
+ if (lib_nd_pktmbuf_tx_pool == NULL) {
+ RTE_LOG(INFO, LIBARP, "ND mbuf pool create failed.\n");
+ return;
+ }
+
+ for (i=0; i<MAX_PORTS; i++) {
+ lib_nd_pkt[i] = rte_pktmbuf_alloc(lib_nd_pktmbuf_tx_pool);
+ if (lib_nd_pkt[i] == NULL) {
+ RTE_LOG(INFO, LIBARP, "ND lib_nd_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,
+ arp_icmp_pktmbuf_tx_pool = rte_pktmbuf_pool_create("arp_icmp_mbuf_tx_pool",
+ NB_ARPICMP_MBUF, MAX_POOL, 0,
RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
if (arp_icmp_pktmbuf_tx_pool == NULL) {
arp_key.filler3 = 0;
struct arp_entry_data *ret_arp_data = NULL;
- time_t now;
+ uint64_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);
+ now = rte_rdtsc();
if (ARPICMP_DEBUG)
RTE_LOG(INFO, LIBARP, "ARP TIMER callback : expire :%d now:%ld\n",
return;
} else {
if (ret_arp_data->mode == DYNAMIC_ARP) {
- if (ret_arp_data->status == PROBE ||
+ rte_rwlock_write_lock(&ret_arp_data->queue_lock);
+ 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",
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",
+ "%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),
}
} else if (ret_arp_data->status == COMPLETE) {
- if (now <= (ret_arp_data->n_confirmed + arp_timeout)) {
+ if (now <= (ret_arp_data->n_confirmed +
+ (arp_timeout * rte_get_tsc_hz()))) {
if (rte_timer_reset(ret_arp_data->timer,
(arp_timeout *
rte_get_tsc_hz()), SINGLE,
if (ARPICMP_DEBUG)
RTE_LOG(INFO, LIBARP,
"Err : Timer already running\n");
- } else if (now <= (ret_arp_data->n_last_update + USED_TIME)) {
+ } else if (now <= (p_arp_data->update_tsc[ret_arp_data->port] + (USED_TIME * rte_get_tsc_hz()))) {
if (rte_timer_reset(ret_arp_data->timer,
(arp_timeout *
rte_get_tsc_hz()), SINGLE,
p_arp_data->arp_cache_hw_laddr_valid[ret_arp_data->port] = 0;
}
}
+ rte_rwlock_write_unlock(&ret_arp_data->queue_lock);
} else {
rte_hash_del_key(arp_hash_handle, &arp_key);
}
void nd_timer_callback(struct rte_timer *timer, void *arg)
{
- struct nd_timer_key *remove_key = (struct nd_timer_key *)arg;
+ struct nd_timer_key *timer_key = (struct nd_timer_key *)arg;
+ struct nd_key_ipv6 nd_key;
+ int j;
+ struct nd_entry_data *ret_nd_data = NULL;
+ uint64_t now;
+
+ nd_key.port_id = timer_key->port_id;
+ nd_key.filler1 = 0;
+ nd_key.filler2 = 0;
+ nd_key.filler3 = 0;
+
+ rte_mov16(&nd_key.ipv6[0], timer_key->ipv6);
+
+ if (ARPICMP_DEBUG) {
+ RTE_LOG(INFO, LIBARP, "nd_timer_callback port %d\n",
+ nd_key.port_id);
+ }
+
+ int ret = rte_hash_lookup_data(nd_hash_handle, &nd_key,
+ (void **)&ret_nd_data);
+ now = rte_rdtsc();
+
if (ARPICMP_DEBUG)
- RTE_LOG(INFO, LIBARP, "nd time callback : expire :%d\n",
- (int)timer->expire);
- remove_nd_entry_ipv6(remove_key->ipv6, remove_key->port_id);
+ RTE_LOG(INFO, LIBARP, "ND TIMER callback : expire :%d now:%ld\n",
+ (int)timer->expire, now);
+ if (ret < 0) {
+ printf("Should not have come here \n");
+ for (j = 0; j < 16; j++)
+ printf("*%d ", nd_key.ipv6[j]);
+ printf("*%d ", nd_key.port_id);
+ return;
+ } else {
+ if (ret_nd_data->mode == DYNAMIC_ARP) {
+ rte_rwlock_write_lock(&ret_nd_data->queue_lock);
+ if (ret_nd_data->status == PROBE ||
+ ret_nd_data->status == INCOMPLETE) {
+ if (ret_nd_data->retry_count == 3) {
+ remove_nd_entry_ipv6(ret_nd_data, arg);
+ } else {
+ ret_nd_data->retry_count++;
+
+ if (ARPICMP_DEBUG) {
+ RTE_LOG(INFO, LIBARP,
+ "RETRY ND..retry count : %u\n",
+ ret_nd_data->retry_count);
+
+ RTE_LOG(INFO, LIBARP,
+ "TIMER STARTED FOR %u seconds\n",
+ ARP_TIMER_EXPIRY);
+ }
+
+ request_nd(ret_nd_data->ipv6,
+ ifm_get_port(ret_nd_data->port));
+ if (rte_timer_reset(ret_nd_data->timer,
+ (PROBE_TIME *
+ rte_get_tsc_hz()/ 1000),
+ SINGLE,
+ timer_lcore,
+ nd_timer_callback,
+ arg) < 0)
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,
+ "Err : Timer already running\n");
+
+ }
+ } else if (ret_nd_data->status == COMPLETE) {
+ if (now <= (ret_nd_data->n_confirmed +
+ (arp_timeout * rte_get_tsc_hz()))) {
+ if (rte_timer_reset(ret_nd_data->timer,
+ (arp_timeout *
+ rte_get_tsc_hz()), SINGLE,
+ timer_lcore,
+ nd_timer_callback,
+ arg) < 0)
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,
+ "Err : Timer already running\n");
+ } else if (now <= (p_arp_data->update_tsc[ret_nd_data->port] + (USED_TIME * rte_get_tsc_hz()))) {
+ if (rte_timer_reset(ret_nd_data->timer,
+ (arp_timeout *
+ rte_get_tsc_hz()), SINGLE,
+ timer_lcore,
+ nd_timer_callback,
+ arg) < 0)
+ if (ARPICMP_DEBUG)
+ RTE_LOG(INFO, LIBARP,
+ "Err : Timer already running\n");
+ } else {
+ printf("making it stale\n");
+ ret_nd_data->status = STALE;
+ p_arp_data->nd_cache_hw_laddr_valid[ret_nd_data->port] = 0;
+ }
+ }
+ rte_rwlock_write_unlock(&ret_nd_data->queue_lock);
+ } else {
+ rte_hash_del_key(nd_hash_handle, &nd_key);
+ }
+ }
return;
}
Code Review / samplevnf.git / blobdiff