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authorChristian Ehrhardt <christian.ehrhardt@canonical.com>2017-05-16 14:51:32 +0200
committerChristian Ehrhardt <christian.ehrhardt@canonical.com>2017-05-16 16:20:45 +0200
commit7595afa4d30097c1177b69257118d8ad89a539be (patch)
tree4bfeadc905c977e45e54a90c42330553b8942e4e /examples/l2fwd-keepalive
parentce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff)
Imported Upstream version 17.05
Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6 Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'examples/l2fwd-keepalive')
-rw-r--r--examples/l2fwd-keepalive/main.c35
-rw-r--r--examples/l2fwd-keepalive/shm.c10
-rw-r--r--examples/l2fwd-keepalive/shm.h9
3 files changed, 48 insertions, 6 deletions
diff --git a/examples/l2fwd-keepalive/main.c b/examples/l2fwd-keepalive/main.c
index 60cccdb1..37453483 100644
--- a/examples/l2fwd-keepalive/main.c
+++ b/examples/l2fwd-keepalive/main.c
@@ -44,6 +44,7 @@
#include <ctype.h>
#include <errno.h>
#include <getopt.h>
+#include <signal.h>
#include <rte_common.h>
#include <rte_log.h>
@@ -116,7 +117,7 @@ static const struct rte_eth_conf port_conf = {
.hw_ip_checksum = 0, /**< IP checksum offload disabled */
.hw_vlan_filter = 0, /**< VLAN filtering disabled */
.jumbo_frame = 0, /**< Jumbo Frame Support disabled */
- .hw_strip_crc = 0, /**< CRC stripped by hardware */
+ .hw_strip_crc = 1, /**< CRC stripped by hardware */
},
.txmode = {
.mq_mode = ETH_MQ_TX_NONE,
@@ -142,6 +143,15 @@ static int64_t check_period = 5; /* default check cycle is 5ms */
/* Keepalive structure */
struct rte_keepalive *rte_global_keepalive_info;
+/* Termination signalling */
+static int terminate_signal_received;
+
+/* Termination signal handler */
+static void handle_sigterm(__rte_unused int value)
+{
+ terminate_signal_received = 1;
+}
+
/* Print out statistics on packets dropped */
static void
print_stats(__attribute__((unused)) struct rte_timer *ptr_timer,
@@ -251,7 +261,7 @@ l2fwd_main_loop(void)
uint64_t tsc_initial = rte_rdtsc();
uint64_t tsc_lifetime = (rand()&0x07) * rte_get_tsc_hz();
- while (1) {
+ while (!terminate_signal_received) {
/* Keepalive heartbeat */
rte_keepalive_mark_alive(rte_global_keepalive_info);
@@ -464,7 +474,7 @@ l2fwd_parse_args(int argc, char **argv)
argv[optind-1] = prgname;
ret = optind-1;
- optind = 0; /* reset getopt lib */
+ optind = 1; /* reset getopt lib */
return ret;
}
@@ -526,6 +536,8 @@ check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
static void
dead_core(__rte_unused void *ptr_data, const int id_core)
{
+ if (terminate_signal_received)
+ return;
printf("Dead core %i - restarting..\n", id_core);
if (rte_eal_get_lcore_state(id_core) == FINISHED) {
rte_eal_wait_lcore(id_core);
@@ -554,6 +566,16 @@ main(int argc, char **argv)
uint8_t portid, last_port;
unsigned lcore_id, rx_lcore_id;
unsigned nb_ports_in_mask = 0;
+ struct sigaction signal_handler;
+ struct rte_keepalive_shm *ka_shm;
+
+ memset(&signal_handler, 0, sizeof(signal_handler));
+ terminate_signal_received = 0;
+ signal_handler.sa_handler = &handle_sigterm;
+ if (sigaction(SIGINT, &signal_handler, NULL) == -1 ||
+ sigaction(SIGTERM, &signal_handler, NULL) == -1)
+ rte_exit(EXIT_FAILURE, "SIGNAL\n");
+
/* init EAL */
ret = rte_eal_init(argc, argv);
@@ -730,9 +752,8 @@ main(int argc, char **argv)
rte_timer_subsystem_init();
rte_timer_init(&stats_timer);
+ ka_shm = NULL;
if (check_period > 0) {
- struct rte_keepalive_shm *ka_shm;
-
ka_shm = rte_keepalive_shm_create();
if (ka_shm == NULL)
rte_exit(EXIT_FAILURE,
@@ -782,7 +803,7 @@ main(int argc, char **argv)
lcore_id);
}
}
- for (;;) {
+ while (!terminate_signal_received) {
rte_timer_manage();
rte_delay_ms(5);
}
@@ -792,5 +813,7 @@ main(int argc, char **argv)
return -1;
}
+ if (ka_shm != NULL)
+ rte_keepalive_shm_cleanup(ka_shm);
return 0;
}
diff --git a/examples/l2fwd-keepalive/shm.c b/examples/l2fwd-keepalive/shm.c
index 177aa5b8..fbf5bd79 100644
--- a/examples/l2fwd-keepalive/shm.c
+++ b/examples/l2fwd-keepalive/shm.c
@@ -129,3 +129,13 @@ void rte_keepalive_relayed_state(struct rte_keepalive_shm *shm,
strerror(errno));
}
}
+
+void rte_keepalive_shm_cleanup(struct rte_keepalive_shm *ka_shm)
+{
+ if (shm_unlink(RTE_KEEPALIVE_SHM_NAME) == -1 && errno != ENOENT)
+ printf("Warning: Error unlinking %s (%s)\n",
+ RTE_KEEPALIVE_SHM_NAME, strerror(errno));
+
+ if (ka_shm && munmap(ka_shm, sizeof(struct rte_keepalive_shm)) != 0)
+ printf("Warning: munmap() failed\n");
+}
diff --git a/examples/l2fwd-keepalive/shm.h b/examples/l2fwd-keepalive/shm.h
index 25e1b61d..66a60600 100644
--- a/examples/l2fwd-keepalive/shm.h
+++ b/examples/l2fwd-keepalive/shm.h
@@ -87,3 +87,12 @@ struct rte_keepalive_shm *rte_keepalive_shm_create(void);
void rte_keepalive_relayed_state(struct rte_keepalive_shm *shm,
const int id_core, const enum rte_keepalive_state core_state,
uint64_t last_alive);
+
+/** Shutdown cleanup of shared host memory keepalive object.
+ * @param *shm
+ * Pointer to SHM keepalive structure. May be NULL.
+ *
+ * If *shm is NULL, this function will only attempt to remove the
+ * shared host memory handle and not unmap the underlying memory.
+ */
+void rte_keepalive_shm_cleanup(struct rte_keepalive_shm *ka_shm);