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dpdk: limit number of TX queues to max supported

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Also improve logging....

Type: fix
Change-Id: I3d3aee52cd45e59ecd6ce13bd516c66559638fec
Signed-off-by: Damjan Marion <damarion@cisco.com>
This commit is contained in:
Damjan Marion
2022-01-18 13:42:24 +01:00
committed by Florin Coras
parent 198ddad7fa
commit c2a6bf0c50
1 changed files with 17 additions and 3 deletions
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20
src/plugins/dpdk/device/init.c
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@ -360,9 +360,16 @@ dpdk_lib_init (dpdk_main_t * dm)
xd->name = format (xd->name, "/%d", di.switch_info.port_id);
/* number of RX and TX queues */
if (devconf->num_tx_queues > 0 &&
devconf->num_tx_queues < xd->conf.n_tx_queues)
xd->conf.n_tx_queues = devconf->num_tx_queues;
if (devconf->num_tx_queues > 0)
{
if (di.max_tx_queues < devconf->num_tx_queues)
dpdk_log_warn ("[%u] Configured number of TX queues (%u) is "
"bigger than maximum supported (%u)",
port_id, devconf->num_tx_queues, di.max_tx_queues);
xd->conf.n_tx_queues = devconf->num_tx_queues;
}
xd->conf.n_tx_queues = clib_min (di.max_tx_queues, xd->conf.n_tx_queues);
if (devconf->num_rx_queues > 1 &&
di.max_rx_queues >= devconf->num_rx_queues)
@ -379,6 +386,8 @@ dpdk_lib_init (dpdk_main_t * dm)
format_dpdk_rss_hf_name, unsupported_bits);
}
xd->conf.rss_hf &= di.flow_type_rss_offloads;
dpdk_log_debug ("[%u] rss_hf: %U", port_id, format_dpdk_rss_hf_name,
xd->conf.rss_hf);
}
xd->driver_frame_overhead =
@ -407,6 +416,11 @@ dpdk_lib_init (dpdk_main_t * dm)
else if (dr && dr->n_tx_desc)
xd->conf.n_tx_desc = dr->n_tx_desc;
dpdk_log_debug (
"[%u] n_rx_queues: %u n_tx_queues: %u n_rx_desc: %u n_tx_desc: %u",
port_id, xd->conf.n_rx_queues, xd->conf.n_tx_queues,
xd->conf.n_rx_desc, xd->conf.n_tx_desc);
vec_validate_aligned (xd->rx_queues, xd->conf.n_rx_queues - 1,
CLIB_CACHE_LINE_BYTES);