[dpdk-dev,4/5] app/testpmd: request link status interrupt
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Commit Message
For drivers supporting the LSC event, enable it.
This allows to test LSC event support.
Add the --no-lsc-interrupt parameter to explicitly disable the link status
change interrupt.
Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
---
app/test-pmd/parameters.c | 4 ++++
app/test-pmd/testpmd.c | 13 +++++++++++++
app/test-pmd/testpmd.h | 1 +
3 files changed, 18 insertions(+)
@@ -196,6 +196,7 @@ usage(char* progname)
" or total packet length.\n");
printf(" --disable-link-check: disable check on link status when "
"starting/stopping ports.\n");
+ printf(" --no-lsc-interrupt: disable link status change interrupt.\n");
}
#ifdef RTE_LIBRTE_CMDLINE
@@ -561,6 +562,7 @@ launch_args_parse(int argc, char** argv)
{ "no-flush-rx", 0, 0, 0 },
{ "txpkts", 1, 0, 0 },
{ "disable-link-check", 0, 0, 0 },
+ { "no-lsc-interrupt", 0, 0, 0 },
{ 0, 0, 0, 0 },
};
@@ -978,6 +980,8 @@ launch_args_parse(int argc, char** argv)
no_flush_rx = 1;
if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
no_link_check = 1;
+ if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
+ lsc_interrupt = 0;
break;
case 'h':
@@ -263,6 +263,11 @@ uint8_t no_flush_rx = 0; /* flush by default */
uint8_t no_link_check = 0; /* check by default */
/*
+ * Enable link status change notification
+ */
+uint8_t lsc_interrupt = 1; /* enabled by default */
+
+/*
* NIC bypass mode configuration options.
*/
#ifdef RTE_NIC_BYPASS
@@ -1698,6 +1703,9 @@ check_all_ports_link_status(uint32_t port_mask)
if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
print_flag = 1;
}
+
+ if (lsc_interrupt)
+ break;
}
}
@@ -1892,6 +1900,11 @@ init_port_config(void)
#ifdef RTE_NIC_BYPASS
rte_eth_dev_bypass_init(pid);
#endif
+
+ if (lsc_interrupt &&
+ (rte_eth_devices[pid].data->dev_flags &
+ RTE_ETH_DEV_INTR_LSC))
+ port->dev_conf.intr_conf.lsc = 1;
}
}
@@ -305,6 +305,7 @@ extern uint8_t no_flush_rx; /**<set by "--no-flush-rx" parameter */
extern uint8_t mp_anon; /**< set by "--mp-anon" parameter */
extern uint8_t no_link_check; /**<set by "--disable-link-check" parameter */
extern volatile int test_done; /* stop packet forwarding when set to 1. */
+extern uint8_t lsc_interrupt; /**< disabled by "--no-lsc-interrupt" parameter */
#ifdef RTE_NIC_BYPASS
extern uint32_t bypass_timeout; /**< Store the NIC bypass watchdog timeout */