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/*
* Copyright (c) 2015 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define DPDK_NB_RX_DESC_DEFAULT 1024
#define DPDK_NB_TX_DESC_DEFAULT 1024
#define DPDK_MAX_LRO_SIZE_DEFAULT 65536
#define DPDK_NB_RX_DESC_VIRTIO 256
#define DPDK_NB_TX_DESC_VIRTIO 256
/* These args appear by themselves */
#define foreach_eal_double_hyphen_predicate_arg \
_(no-shconf) \
_(no-hpet) \
_(no-huge) \
_(vmware-tsc-map)
#define foreach_eal_single_hyphen_arg \
_(mem-alloc-request, m) \
_(force-ranks, r)
/* clang-format off */
/* These args are preceded by "--" and followed by a single string */
#define foreach_eal_double_hyphen_arg \
_(huge-dir) \
_(proc-type) \
_(file-prefix) \
_(vdev) \
_(log-level) \
_(iova-mode) \
_(base-virtaddr)
/* clang-format on */
static inline void
dpdk_get_xstats (dpdk_device_t * xd)
{
int len, ret;
if (!(xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP))
return;
len = rte_eth_xstats_get (xd->port_id, NULL, 0);
if (len < 0)
return;
vec_validate (xd->xstats, len - 1);
ret = rte_eth_xstats_get (xd->port_id, xd->xstats, len);
if (ret < 0 || ret > len)
{
_vec_len (xd->xstats) = 0;
return;
}
_vec_len (xd->xstats) = len;
}
#define DPDK_UPDATE_COUNTER(vnm, tidx, xd, stat, cnt) \
do \
{ \
u64 _v = (xd)->stats.stat; \
u64 _lv = (xd)->last_stats.stat; \
if (PREDICT_FALSE (_v != _lv)) \
{ \
if (PREDICT_FALSE (_v < _lv)) \
dpdk_log_warn ("%v: %s counter decreased (before %lu after %lu)", \
xd->name, #stat, _lv, _v); \
else \
vlib_increment_simple_counter ( \
vec_elt_at_index ((vnm)->interface_main.sw_if_counters, cnt), \
(tidx), (xd)->sw_if_index, _v - _lv); \
} \
} \
while (0)
static inline void
dpdk_update_counters (dpdk_device_t * xd, f64 now)
{
vnet_main_t *vnm = vnet_get_main ();
u32 thread_index = vlib_get_thread_index ();
xd->time_last_stats_update = now ? now : xd->time_last_stats_update;
clib_memcpy_fast (&xd->last_stats, &xd->stats, sizeof (xd->last_stats));
rte_eth_stats_get (xd->port_id, &xd->stats);
/* maybe bump interface rx no buffer counter */
DPDK_UPDATE_COUNTER (vnm, thread_index, xd, rx_nombuf,
VNET_INTERFACE_COUNTER_RX_NO_BUF);
DPDK_UPDATE_COUNTER (vnm, thread_index, xd, imissed,
VNET_INTERFACE_COUNTER_RX_MISS);
DPDK_UPDATE_COUNTER (vnm, thread_index, xd, ierrors,
VNET_INTERFACE_COUNTER_RX_ERROR);
dpdk_get_xstats (xd);
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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