[dpdk-dev] [PATCH 5/6] examples/vhost: add client and reconnect option
Yuanhan Liu
yuanhan.liu at linux.intel.com
Sat May 7 08:40:23 CEST 2016
Add --client and --reconnect option to enable the client mode and
reconnect mode, respectively. --rconnect works only when --client
is given as well.
Signed-off-by: Yuanhan Liu <yuanhan.liu at linux.intel.com>
---
examples/vhost/main.c | 23 +++++++++++++++++++++--
1 file changed, 21 insertions(+), 2 deletions(-)
diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index 6899189..26c4d5f 100644
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -132,6 +132,9 @@ static uint32_t enable_tx_csum;
/* Disable TSO offload */
static uint32_t enable_tso;
+static int client_mode;
+static int reconnect;
+
/* Specify timeout (in useconds) between retries on RX. */
static uint32_t burst_rx_delay_time = BURST_RX_WAIT_US;
/* Specify the number of retries on RX. */
@@ -459,7 +462,9 @@ us_vhost_usage(const char *prgname)
" --stats [0-N]: 0: Disable stats, N: Time in seconds to print stats\n"
" --dev-basename: The basename to be used for the character device.\n"
" --tx-csum [0|1] disable/enable TX checksum offload.\n"
- " --tso [0|1] disable/enable TCP segment offload.\n",
+ " --tso [0|1] disable/enable TCP segment offload.\n"
+ " --client register a vhost-user socket as client mode.\n"
+ " --reconnect reconnect to vhost-user server when disconnects.\n",
prgname);
}
@@ -484,6 +489,8 @@ us_vhost_parse_args(int argc, char **argv)
{"dev-basename", required_argument, NULL, 0},
{"tx-csum", required_argument, NULL, 0},
{"tso", required_argument, NULL, 0},
+ {"client", no_argument, &client_mode, 1},
+ {"reconnect", no_argument, &reconnect, 1},
{NULL, 0, 0, 0},
};
@@ -647,6 +654,12 @@ us_vhost_parse_args(int argc, char **argv)
}
}
+ if (reconnect && !client_mode) {
+ RTE_LOG(INFO, VHOST_CONFIG,
+ "--reconnect works only when --client is specified\n");
+ return -1;
+ }
+
for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
if (enabled_port_mask & (1 << i))
ports[num_ports++] = (uint8_t)i;
@@ -1406,6 +1419,7 @@ main(int argc, char *argv[])
uint8_t portid;
static pthread_t tid;
char thread_name[RTE_MAX_THREAD_NAME_LEN];
+ uint64_t flags = 0;
signal(SIGINT, sigint_handler);
@@ -1498,8 +1512,13 @@ main(int argc, char *argv[])
if (mergeable == 0)
rte_vhost_feature_disable(1ULL << VIRTIO_NET_F_MRG_RXBUF);
+ if (client_mode)
+ flags |= RTE_VHOST_USER_CLIENT;
+ if (reconnect)
+ flags |= RTE_VHOST_USER_RECONNECT;
+
/* Register vhost(cuse or user) driver to handle vhost messages. */
- ret = rte_vhost_driver_register(dev_basename, 0);
+ ret = rte_vhost_driver_register(dev_basename, flags);
if (ret != 0)
rte_exit(EXIT_FAILURE, "vhost driver register failure.\n");
--
1.9.0
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