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app/testpmd: request link status interrupt

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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>
This commit is contained in:
Gaetan Rivet 2017-04-18 14:17:41 +02:00 committed by Thomas Monjalon
parent 76ad4a2d82
commit 8ea656f8c3
3 changed files with 18 additions and 0 deletions
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4
app/test-pmd/parameters.c
View File

@ -200,6 +200,7 @@ 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
@ -568,6 +569,7 @@ 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 },
};
@ -998,6 +1000,8 @@ 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':

13
app/test-pmd/testpmd.c
View File

@ -270,6 +270,11 @@ 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.
*/
@ -1746,6 +1751,9 @@ 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;
}
}
@ -1929,6 +1937,11 @@ 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;
}
}

1
app/test-pmd/testpmd.h
View File

@ -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 */