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authorDamjan Marion <damarion@cisco.com>2020-01-30 20:47:37 +0100
committerDamjan Marion <dmarion@me.com>2020-01-30 21:38:14 +0000
commit548d70de68a4156d5bd4148e50a81555a0ef169f (patch)
tree42ff37482b17998f0d37601ba7cab464035ad9b8 /extras/deprecated/dpdk-hqos/hqos.c
parent7db6ab03db874d030a2d56ff02036c0594b46ccc (diff)
misc: deprecate dpdk hqos
Not in functional state for a long time ... Type: refactor Change-Id: I2cc1525a6d49518cbc94faf6afbf0d2d0d515f56 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'extras/deprecated/dpdk-hqos/hqos.c')
-rw-r--r--extras/deprecated/dpdk-hqos/hqos.c771
1 files changed, 771 insertions, 0 deletions
diff --git a/extras/deprecated/dpdk-hqos/hqos.c b/extras/deprecated/dpdk-hqos/hqos.c
new file mode 100644
index 00000000000..1a8dd6d98fe
--- /dev/null
+++ b/extras/deprecated/dpdk-hqos/hqos.c
@@ -0,0 +1,771 @@
+/*
+ * Copyright(c) 2016 Intel Corporation. All rights reserved.
+ * 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.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/mount.h>
+#include <string.h>
+#include <fcntl.h>
+
+#include <vppinfra/vec.h>
+#include <vppinfra/error.h>
+#include <vppinfra/format.h>
+#include <vppinfra/bitmap.h>
+
+#include <vnet/vnet.h>
+#include <vnet/ethernet/ethernet.h>
+#include <dpdk/device/dpdk.h>
+
+#include <vlib/pci/pci.h>
+#include <vlibmemory/api.h>
+#include <vlibmemory/vl_memory_msg_enum.h> /* enumerate all vlib messages */
+
+#define vl_typedefs /* define message structures */
+#include <vlibmemory/vl_memory_api_h.h>
+#undef vl_typedefs
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define vl_printfun
+#include <vlibmemory/vl_memory_api_h.h>
+#undef vl_printfun
+
+#include <dpdk/device/dpdk_priv.h>
+
+/***
+ *
+ * HQoS default configuration values
+ *
+ ***/
+
+static dpdk_device_config_hqos_t hqos_params_default = {
+ .hqos_thread_valid = 0,
+
+ .swq_size = 4096,
+ .burst_enq = 256,
+ .burst_deq = 220,
+
+ /*
+ * Packet field to identify the subport.
+ *
+ * Default value: Since only one subport is defined by default (see below:
+ * n_subports_per_port = 1), the subport ID is hardcoded to 0.
+ */
+ .pktfield0_slabpos = 0,
+ .pktfield0_slabmask = 0,
+
+ /*
+ * Packet field to identify the pipe.
+ *
+ * Default value: Assuming Ethernet/IPv4/UDP packets, UDP payload bits 12 .. 23
+ */
+ .pktfield1_slabpos = 40,
+ .pktfield1_slabmask = 0x0000000FFF000000LLU,
+
+ /* Packet field used as index into TC translation table to identify the traffic
+ * class and queue.
+ *
+ * Default value: Assuming Ethernet/IPv4 packets, IPv4 DSCP field
+ */
+ .pktfield2_slabpos = 8,
+ .pktfield2_slabmask = 0x00000000000000FCLLU,
+ .tc_table = {
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+ },
+
+ /* port */
+ .port = {
+ .name = NULL, /* Set at init */
+ .socket = 0, /* Set at init */
+ .rate = 1250000000, /* Assuming 10GbE port */
+ .mtu = 14 + 1500, /* Assuming Ethernet/IPv4 pkt (Ethernet FCS not included) */
+ .frame_overhead = RTE_SCHED_FRAME_OVERHEAD_DEFAULT,
+ .n_subports_per_port = 1,
+ .n_pipes_per_subport = 4096,
+ .qsize = {64, 64, 64, 64},
+ .pipe_profiles = NULL, /* Set at config */
+ .n_pipe_profiles = 1,
+
+#ifdef RTE_SCHED_RED
+ .red_params = {
+ /* Traffic Class 0 Colors Green / Yellow / Red */
+ [0][0] = {.min_th = 48,.max_th = 64,.maxp_inv =
+ 10,.wq_log2 = 9},
+ [0][1] = {.min_th = 40,.max_th = 64,.maxp_inv =
+ 10,.wq_log2 = 9},
+ [0][2] = {.min_th = 32,.max_th = 64,.maxp_inv =
+ 10,.wq_log2 = 9},
+
+ /* Traffic Class 1 - Colors Green / Yellow / Red */
+ [1][0] = {.min_th = 48,.max_th = 64,.maxp_inv =
+ 10,.wq_log2 = 9},
+ [1][1] = {.min_th = 40,.max_th = 64,.maxp_inv =
+ 10,.wq_log2 = 9},
+ [1][2] = {.min_th = 32,.max_th = 64,.maxp_inv =
+ 10,.wq_log2 = 9},
+
+ /* Traffic Class 2 - Colors Green / Yellow / Red */
+ [2][0] = {.min_th = 48,.max_th = 64,.maxp_inv =
+ 10,.wq_log2 = 9},
+ [2][1] = {.min_th = 40,.max_th = 64,.maxp_inv =
+ 10,.wq_log2 = 9},
+ [2][2] = {.min_th = 32,.max_th = 64,.maxp_inv =
+ 10,.wq_log2 = 9},
+
+ /* Traffic Class 3 - Colors Green / Yellow / Red */
+ [3][0] = {.min_th = 48,.max_th = 64,.maxp_inv =
+ 10,.wq_log2 = 9},
+ [3][1] = {.min_th = 40,.max_th = 64,.maxp_inv =
+ 10,.wq_log2 = 9},
+ [3][2] = {.min_th = 32,.max_th = 64,.maxp_inv =
+ 10,.wq_log2 = 9}
+ },
+#endif /* RTE_SCHED_RED */
+ },
+};
+
+static struct rte_sched_subport_params hqos_subport_params_default = {
+ .tb_rate = 1250000000, /* 10GbE line rate (measured in bytes/second) */
+ .tb_size = 1000000,
+ .tc_rate = {1250000000, 1250000000, 1250000000, 1250000000},
+ .tc_period = 10,
+};
+
+static struct rte_sched_pipe_params hqos_pipe_params_default = {
+ .tb_rate = 305175, /* 10GbE line rate divided by 4K pipes */
+ .tb_size = 1000000,
+ .tc_rate = {305175, 305175, 305175, 305175},
+ .tc_period = 40,
+#ifdef RTE_SCHED_SUBPORT_TC_OV
+ .tc_ov_weight = 1,
+#endif
+ .wrr_weights = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
+};
+
+/***
+ *
+ * HQoS configuration
+ *
+ ***/
+
+int
+dpdk_hqos_validate_mask (u64 mask, u32 n)
+{
+ int count = __builtin_popcountll (mask);
+ int pos_lead = sizeof (u64) * 8 - count_leading_zeros (mask);
+ int pos_trail = count_trailing_zeros (mask);
+ int count_expected = __builtin_popcount (n - 1);
+
+ /* Handle the exceptions */
+ if (n == 0)
+ return -1; /* Error */
+
+ if ((mask == 0) && (n == 1))
+ return 0; /* OK */
+
+ if (((mask == 0) && (n != 1)) || ((mask != 0) && (n == 1)))
+ return -2; /* Error */
+
+ /* Check that mask is contiguous */
+ if ((pos_lead - pos_trail) != count)
+ return -3; /* Error */
+
+ /* Check that mask contains the expected number of bits set */
+ if (count != count_expected)
+ return -4; /* Error */
+
+ return 0; /* OK */
+}
+
+void
+dpdk_device_config_hqos_pipe_profile_default (dpdk_device_config_hqos_t *
+ hqos, u32 pipe_profile_id)
+{
+ memcpy (&hqos->pipe[pipe_profile_id], &hqos_pipe_params_default,
+ sizeof (hqos_pipe_params_default));
+}
+
+void
+dpdk_device_config_hqos_default (dpdk_device_config_hqos_t * hqos)
+{
+ struct rte_sched_subport_params *subport_params;
+ struct rte_sched_pipe_params *pipe_params;
+ u32 *pipe_map;
+ u32 i;
+
+ memcpy (hqos, &hqos_params_default, sizeof (hqos_params_default));
+
+ /* pipe */
+ vec_add2 (hqos->pipe, pipe_params, hqos->port.n_pipe_profiles);
+
+ for (i = 0; i < vec_len (hqos->pipe); i++)
+ memcpy (&pipe_params[i],
+ &hqos_pipe_params_default, sizeof (hqos_pipe_params_default));
+
+ hqos->port.pipe_profiles = hqos->pipe;
+
+ /* subport */
+ vec_add2 (hqos->subport, subport_params, hqos->port.n_subports_per_port);
+
+ for (i = 0; i < vec_len (hqos->subport); i++)
+ memcpy (&subport_params[i],
+ &hqos_subport_params_default,
+ sizeof (hqos_subport_params_default));
+
+ /* pipe profile */
+ vec_add2 (hqos->pipe_map,
+ pipe_map,
+ hqos->port.n_subports_per_port * hqos->port.n_pipes_per_subport);
+
+ for (i = 0; i < vec_len (hqos->pipe_map); i++)
+ pipe_map[i] = 0;
+}
+
+/***
+ *
+ * HQoS init
+ *
+ ***/
+
+clib_error_t *
+dpdk_port_setup_hqos (dpdk_device_t * xd, dpdk_device_config_hqos_t * hqos)
+{
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
+ char name[32];
+ u32 subport_id, i;
+ int rv;
+
+ /* Detect the set of worker threads */
+ int worker_thread_first = 0;
+ int worker_thread_count = 0;
+
+ uword *p = hash_get_mem (tm->thread_registrations_by_name, "workers");
+ vlib_thread_registration_t *tr =
+ p ? (vlib_thread_registration_t *) p[0] : 0;
+
+ if (tr && tr->count > 0)
+ {
+ worker_thread_first = tr->first_index;
+ worker_thread_count = tr->count;
+ }
+
+ /* Allocate the per-thread device data array */
+ vec_validate_aligned (xd->hqos_wt, tm->n_vlib_mains - 1,
+ CLIB_CACHE_LINE_BYTES);
+ clib_memset (xd->hqos_wt, 0, tm->n_vlib_mains * sizeof (xd->hqos_wt[0]));
+
+ vec_validate_aligned (xd->hqos_ht, 0, CLIB_CACHE_LINE_BYTES);
+ clib_memset (xd->hqos_ht, 0, sizeof (xd->hqos_ht[0]));
+
+ /* Allocate space for one SWQ per worker thread in the I/O TX thread data structure */
+ vec_validate (xd->hqos_ht->swq, worker_thread_count);
+
+ /* SWQ */
+ for (i = 0; i < worker_thread_count + 1; i++)
+ {
+ u32 swq_flags = RING_F_SP_ENQ | RING_F_SC_DEQ;
+
+ snprintf (name, sizeof (name), "SWQ-worker%u-to-device%u", i,
+ xd->port_id);
+ xd->hqos_ht->swq[i] =
+ rte_ring_create (name, hqos->swq_size, xd->cpu_socket, swq_flags);
+ if (xd->hqos_ht->swq[i] == NULL)
+ return clib_error_return (0,
+ "SWQ-worker%u-to-device%u: rte_ring_create err",
+ i, xd->port_id);
+ }
+
+ /*
+ * HQoS
+ */
+
+ /* HQoS port */
+ snprintf (name, sizeof (name), "HQoS%u", xd->port_id);
+ hqos->port.name = strdup (name);
+ if (hqos->port.name == NULL)
+ return clib_error_return (0, "HQoS%u: strdup err", xd->port_id);
+
+ hqos->port.socket = rte_eth_dev_socket_id (xd->port_id);
+ if (hqos->port.socket == SOCKET_ID_ANY)
+ hqos->port.socket = 0;
+
+ xd->hqos_ht->hqos = rte_sched_port_config (&hqos->port);
+ if (xd->hqos_ht->hqos == NULL)
+ return clib_error_return (0, "HQoS%u: rte_sched_port_config err",
+ xd->port_id);
+
+ /* HQoS subport */
+ for (subport_id = 0; subport_id < hqos->port.n_subports_per_port;
+ subport_id++)
+ {
+ u32 pipe_id;
+
+ rv =
+ rte_sched_subport_config (xd->hqos_ht->hqos, subport_id,
+ &hqos->subport[subport_id]);
+ if (rv)
+ return clib_error_return (0,
+ "HQoS%u subport %u: rte_sched_subport_config err (%d)",
+ xd->port_id, subport_id, rv);
+
+ /* HQoS pipe */
+ for (pipe_id = 0; pipe_id < hqos->port.n_pipes_per_subport; pipe_id++)
+ {
+ u32 pos = subport_id * hqos->port.n_pipes_per_subport + pipe_id;
+ u32 profile_id = hqos->pipe_map[pos];
+
+ rv =
+ rte_sched_pipe_config (xd->hqos_ht->hqos, subport_id, pipe_id,
+ profile_id);
+ if (rv)
+ return clib_error_return (0,
+ "HQoS%u subport %u pipe %u: rte_sched_pipe_config err (%d)",
+ xd->port_id, subport_id, pipe_id, rv);
+ }
+ }
+
+ /* Set up per-thread device data for the I/O TX thread */
+ xd->hqos_ht->hqos_burst_enq = hqos->burst_enq;
+ xd->hqos_ht->hqos_burst_deq = hqos->burst_deq;
+ vec_validate (xd->hqos_ht->pkts_enq, 2 * hqos->burst_enq - 1);
+ vec_validate (xd->hqos_ht->pkts_deq, hqos->burst_deq - 1);
+ xd->hqos_ht->pkts_enq_len = 0;
+ xd->hqos_ht->swq_pos = 0;
+ xd->hqos_ht->flush_count = 0;
+
+ /* Set up per-thread device data for each worker thread */
+ for (i = 0; i < worker_thread_count + 1; i++)
+ {
+ u32 tid;
+ if (i)
+ tid = worker_thread_first + (i - 1);
+ else
+ tid = i;
+
+ xd->hqos_wt[tid].swq = xd->hqos_ht->swq[i];
+ xd->hqos_wt[tid].hqos_field0_slabpos = hqos->pktfield0_slabpos;
+ xd->hqos_wt[tid].hqos_field0_slabmask = hqos->pktfield0_slabmask;
+ xd->hqos_wt[tid].hqos_field0_slabshr =
+ count_trailing_zeros (hqos->pktfield0_slabmask);
+ xd->hqos_wt[tid].hqos_field1_slabpos = hqos->pktfield1_slabpos;
+ xd->hqos_wt[tid].hqos_field1_slabmask = hqos->pktfield1_slabmask;
+ xd->hqos_wt[tid].hqos_field1_slabshr =
+ count_trailing_zeros (hqos->pktfield1_slabmask);
+ xd->hqos_wt[tid].hqos_field2_slabpos = hqos->pktfield2_slabpos;
+ xd->hqos_wt[tid].hqos_field2_slabmask = hqos->pktfield2_slabmask;
+ xd->hqos_wt[tid].hqos_field2_slabshr =
+ count_trailing_zeros (hqos->pktfield2_slabmask);
+ memcpy (xd->hqos_wt[tid].hqos_tc_table, hqos->tc_table,
+ sizeof (hqos->tc_table));
+ }
+
+ return 0;
+}
+
+/***
+ *
+ * HQoS run-time
+ *
+ ***/
+/*
+ * dpdk_hqos_thread - Contains the main loop of an HQoS thread.
+ *
+ * w
+ * Information for the current thread
+ */
+static_always_inline void
+dpdk_hqos_thread_internal_hqos_dbg_bypass (vlib_main_t * vm)
+{
+ dpdk_main_t *dm = &dpdk_main;
+ u32 thread_index = vm->thread_index;
+ u32 dev_pos;
+
+ dev_pos = 0;
+ while (1)
+ {
+ vlib_worker_thread_barrier_check ();
+
+ u32 n_devs = vec_len (dm->devices_by_hqos_cpu[thread_index]);
+ if (dev_pos >= n_devs)
+ dev_pos = 0;
+
+ dpdk_device_and_queue_t *dq =
+ vec_elt_at_index (dm->devices_by_hqos_cpu[thread_index], dev_pos);
+ dpdk_device_t *xd = vec_elt_at_index (dm->devices, dq->device);
+
+ dpdk_device_hqos_per_hqos_thread_t *hqos = xd->hqos_ht;
+ u32 device_index = xd->port_id;
+ u16 queue_id = dq->queue_id;
+
+ struct rte_mbuf **pkts_enq = hqos->pkts_enq;
+ u32 pkts_enq_len = hqos->pkts_enq_len;
+ u32 swq_pos = hqos->swq_pos;
+ u32 n_swq = vec_len (hqos->swq), i;
+ u32 flush_count = hqos->flush_count;
+
+ for (i = 0; i < n_swq; i++)
+ {
+ /* Get current SWQ for this device */
+ struct rte_ring *swq = hqos->swq[swq_pos];
+
+ /* Read SWQ burst to packet buffer of this device */
+ pkts_enq_len += rte_ring_sc_dequeue_burst (swq,
+ (void **)
+ &pkts_enq[pkts_enq_len],
+ hqos->hqos_burst_enq, 0);
+
+ /* Get next SWQ for this device */
+ swq_pos++;
+ if (swq_pos >= n_swq)
+ swq_pos = 0;
+ hqos->swq_pos = swq_pos;
+
+ /* HWQ TX enqueue when burst available */
+ if (pkts_enq_len >= hqos->hqos_burst_enq)
+ {
+ u32 n_pkts = rte_eth_tx_burst (device_index,
+ (uint16_t) queue_id,
+ pkts_enq,
+ (uint16_t) pkts_enq_len);
+
+ for (; n_pkts < pkts_enq_len; n_pkts++)
+ rte_pktmbuf_free (pkts_enq[n_pkts]);
+
+ pkts_enq_len = 0;
+ flush_count = 0;
+ break;
+ }
+ }
+ if (pkts_enq_len)
+ {
+ flush_count++;
+ if (PREDICT_FALSE (flush_count == HQOS_FLUSH_COUNT_THRESHOLD))
+ {
+ rte_sched_port_enqueue (hqos->hqos, pkts_enq, pkts_enq_len);
+
+ pkts_enq_len = 0;
+ flush_count = 0;
+ }
+ }
+ hqos->pkts_enq_len = pkts_enq_len;
+ hqos->flush_count = flush_count;
+
+ /* Advance to next device */
+ dev_pos++;
+ }
+}
+
+static_always_inline void
+dpdk_hqos_thread_internal (vlib_main_t * vm)
+{
+ dpdk_main_t *dm = &dpdk_main;
+ u32 thread_index = vm->thread_index;
+ u32 dev_pos;
+
+ dev_pos = 0;
+ while (1)
+ {
+ vlib_worker_thread_barrier_check ();
+
+ u32 n_devs = vec_len (dm->devices_by_hqos_cpu[thread_index]);
+ if (PREDICT_FALSE (n_devs == 0))
+ {
+ dev_pos = 0;
+ continue;
+ }
+ if (dev_pos >= n_devs)
+ dev_pos = 0;
+
+ dpdk_device_and_queue_t *dq =
+ vec_elt_at_index (dm->devices_by_hqos_cpu[thread_index], dev_pos);
+ dpdk_device_t *xd = vec_elt_at_index (dm->devices, dq->device);
+
+ dpdk_device_hqos_per_hqos_thread_t *hqos = xd->hqos_ht;
+ u32 device_index = xd->port_id;
+ u16 queue_id = dq->queue_id;
+
+ struct rte_mbuf **pkts_enq = hqos->pkts_enq;
+ struct rte_mbuf **pkts_deq = hqos->pkts_deq;
+ u32 pkts_enq_len = hqos->pkts_enq_len;
+ u32 swq_pos = hqos->swq_pos;
+ u32 n_swq = vec_len (hqos->swq), i;
+ u32 flush_count = hqos->flush_count;
+
+ /*
+ * SWQ dequeue and HQoS enqueue for current device
+ */
+ for (i = 0; i < n_swq; i++)
+ {
+ /* Get current SWQ for this device */
+ struct rte_ring *swq = hqos->swq[swq_pos];
+
+ /* Read SWQ burst to packet buffer of this device */
+ pkts_enq_len += rte_ring_sc_dequeue_burst (swq,
+ (void **)
+ &pkts_enq[pkts_enq_len],
+ hqos->hqos_burst_enq, 0);
+
+ /* Get next SWQ for this device */
+ swq_pos++;
+ if (swq_pos >= n_swq)
+ swq_pos = 0;
+ hqos->swq_pos = swq_pos;
+
+ /* HQoS enqueue when burst available */
+ if (pkts_enq_len >= hqos->hqos_burst_enq)
+ {
+ rte_sched_port_enqueue (hqos->hqos, pkts_enq, pkts_enq_len);
+
+ pkts_enq_len = 0;
+ flush_count = 0;
+ break;
+ }
+ }
+ if (pkts_enq_len)
+ {
+ flush_count++;
+ if (PREDICT_FALSE (flush_count == HQOS_FLUSH_COUNT_THRESHOLD))
+ {
+ rte_sched_port_enqueue (hqos->hqos, pkts_enq, pkts_enq_len);
+
+ pkts_enq_len = 0;
+ flush_count = 0;
+ }
+ }
+ hqos->pkts_enq_len = pkts_enq_len;
+ hqos->flush_count = flush_count;
+
+ /*
+ * HQoS dequeue and HWQ TX enqueue for current device
+ */
+ {
+ u32 pkts_deq_len, n_pkts;
+
+ pkts_deq_len = rte_sched_port_dequeue (hqos->hqos,
+ pkts_deq,
+ hqos->hqos_burst_deq);
+
+ for (n_pkts = 0; n_pkts < pkts_deq_len;)
+ n_pkts += rte_eth_tx_burst (device_index,
+ (uint16_t) queue_id,
+ &pkts_deq[n_pkts],
+ (uint16_t) (pkts_deq_len - n_pkts));
+ }
+
+ /* Advance to next device */
+ dev_pos++;
+ }
+}
+
+void
+dpdk_hqos_thread (vlib_worker_thread_t * w)
+{
+ vlib_main_t *vm;
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
+ dpdk_main_t *dm = &dpdk_main;
+
+ vm = vlib_get_main ();
+
+ ASSERT (vm->thread_index == vlib_get_thread_index ());
+
+ clib_time_init (&vm->clib_time);
+ clib_mem_set_heap (w->thread_mheap);
+
+ /* Wait until the dpdk init sequence is complete */
+ while (tm->worker_thread_release == 0)
+ vlib_worker_thread_barrier_check ();
+
+ if (vec_len (dm->devices_by_hqos_cpu[vm->thread_index]) == 0)
+ return
+ clib_error
+ ("current I/O TX thread does not have any devices assigned to it");
+
+ if (DPDK_HQOS_DBG_BYPASS)
+ dpdk_hqos_thread_internal_hqos_dbg_bypass (vm);
+ else
+ dpdk_hqos_thread_internal (vm);
+}
+
+void
+dpdk_hqos_thread_fn (void *arg)
+{
+ vlib_worker_thread_t *w = (vlib_worker_thread_t *) arg;
+ vlib_worker_thread_init (w);
+ dpdk_hqos_thread (w);
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_THREAD (hqos_thread_reg, static) =
+{
+ .name = "hqos-threads",
+ .short_name = "hqos-threads",
+ .function = dpdk_hqos_thread_fn,
+};
+/* *INDENT-ON* */
+
+/*
+ * HQoS run-time code to be called by the worker threads
+ */
+#define BITFIELD(byte_array, slab_pos, slab_mask, slab_shr) \
+({ \
+ u64 slab = *((u64 *) &byte_array[slab_pos]); \
+ u64 val = (rte_be_to_cpu_64(slab) & slab_mask) >> slab_shr; \
+ val; \
+})
+
+#define RTE_SCHED_PORT_HIERARCHY(subport, pipe, traffic_class, queue, color) \
+ ((((u64) (queue)) & 0x3) | \
+ ((((u64) (traffic_class)) & 0x3) << 2) | \
+ ((((u64) (color)) & 0x3) << 4) | \
+ ((((u64) (subport)) & 0xFFFF) << 16) | \
+ ((((u64) (pipe)) & 0xFFFFFFFF) << 32))
+
+void
+dpdk_hqos_metadata_set (dpdk_device_hqos_per_worker_thread_t * hqos,
+ struct rte_mbuf **pkts, u32 n_pkts)
+{
+ u32 i;
+
+ for (i = 0; i < (n_pkts & (~0x3)); i += 4)
+ {
+ struct rte_mbuf *pkt0 = pkts[i];
+ struct rte_mbuf *pkt1 = pkts[i + 1];
+ struct rte_mbuf *pkt2 = pkts[i + 2];
+ struct rte_mbuf *pkt3 = pkts[i + 3];
+
+ u8 *pkt0_data = rte_pktmbuf_mtod (pkt0, u8 *);
+ u8 *pkt1_data = rte_pktmbuf_mtod (pkt1, u8 *);
+ u8 *pkt2_data = rte_pktmbuf_mtod (pkt2, u8 *);
+ u8 *pkt3_data = rte_pktmbuf_mtod (pkt3, u8 *);
+
+ u64 pkt0_subport = BITFIELD (pkt0_data, hqos->hqos_field0_slabpos,
+ hqos->hqos_field0_slabmask,
+ hqos->hqos_field0_slabshr);
+ u64 pkt0_pipe = BITFIELD (pkt0_data, hqos->hqos_field1_slabpos,
+ hqos->hqos_field1_slabmask,
+ hqos->hqos_field1_slabshr);
+ u64 pkt0_dscp = BITFIELD (pkt0_data, hqos->hqos_field2_slabpos,
+ hqos->hqos_field2_slabmask,
+ hqos->hqos_field2_slabshr);
+ u32 pkt0_tc = hqos->hqos_tc_table[pkt0_dscp & 0x3F] >> 2;
+ u32 pkt0_tc_q = hqos->hqos_tc_table[pkt0_dscp & 0x3F] & 0x3;
+
+ u64 pkt1_subport = BITFIELD (pkt1_data, hqos->hqos_field0_slabpos,
+ hqos->hqos_field0_slabmask,
+ hqos->hqos_field0_slabshr);
+ u64 pkt1_pipe = BITFIELD (pkt1_data, hqos->hqos_field1_slabpos,
+ hqos->hqos_field1_slabmask,
+ hqos->hqos_field1_slabshr);
+ u64 pkt1_dscp = BITFIELD (pkt1_data, hqos->hqos_field2_slabpos,
+ hqos->hqos_field2_slabmask,
+ hqos->hqos_field2_slabshr);
+ u32 pkt1_tc = hqos->hqos_tc_table[pkt1_dscp & 0x3F] >> 2;
+ u32 pkt1_tc_q = hqos->hqos_tc_table[pkt1_dscp & 0x3F] & 0x3;
+
+ u64 pkt2_subport = BITFIELD (pkt2_data, hqos->hqos_field0_slabpos,
+ hqos->hqos_field0_slabmask,
+ hqos->hqos_field0_slabshr);
+ u64 pkt2_pipe = BITFIELD (pkt2_data, hqos->hqos_field1_slabpos,
+ hqos->hqos_field1_slabmask,
+ hqos->hqos_field1_slabshr);
+ u64 pkt2_dscp = BITFIELD (pkt2_data, hqos->hqos_field2_slabpos,
+ hqos->hqos_field2_slabmask,
+ hqos->hqos_field2_slabshr);
+ u32 pkt2_tc = hqos->hqos_tc_table[pkt2_dscp & 0x3F] >> 2;
+ u32 pkt2_tc_q = hqos->hqos_tc_table[pkt2_dscp & 0x3F] & 0x3;
+
+ u64 pkt3_subport = BITFIELD (pkt3_data, hqos->hqos_field0_slabpos,
+ hqos->hqos_field0_slabmask,
+ hqos->hqos_field0_slabshr);
+ u64 pkt3_pipe = BITFIELD (pkt3_data, hqos->hqos_field1_slabpos,
+ hqos->hqos_field1_slabmask,
+ hqos->hqos_field1_slabshr);
+ u64 pkt3_dscp = BITFIELD (pkt3_data, hqos->hqos_field2_slabpos,
+ hqos->hqos_field2_slabmask,
+ hqos->hqos_field2_slabshr);
+ u32 pkt3_tc = hqos->hqos_tc_table[pkt3_dscp & 0x3F] >> 2;
+ u32 pkt3_tc_q = hqos->hqos_tc_table[pkt3_dscp & 0x3F] & 0x3;
+
+ u64 pkt0_sched = RTE_SCHED_PORT_HIERARCHY (pkt0_subport,
+ pkt0_pipe,
+ pkt0_tc,
+ pkt0_tc_q,
+ 0);
+ u64 pkt1_sched = RTE_SCHED_PORT_HIERARCHY (pkt1_subport,
+ pkt1_pipe,
+ pkt1_tc,
+ pkt1_tc_q,
+ 0);
+ u64 pkt2_sched = RTE_SCHED_PORT_HIERARCHY (pkt2_subport,
+ pkt2_pipe,
+ pkt2_tc,
+ pkt2_tc_q,
+ 0);
+ u64 pkt3_sched = RTE_SCHED_PORT_HIERARCHY (pkt3_subport,
+ pkt3_pipe,
+ pkt3_tc,
+ pkt3_tc_q,
+ 0);
+
+ pkt0->hash.sched.lo = pkt0_sched & 0xFFFFFFFF;
+ pkt0->hash.sched.hi = pkt0_sched >> 32;
+ pkt1->hash.sched.lo = pkt1_sched & 0xFFFFFFFF;
+ pkt1->hash.sched.hi = pkt1_sched >> 32;
+ pkt2->hash.sched.lo = pkt2_sched & 0xFFFFFFFF;
+ pkt2->hash.sched.hi = pkt2_sched >> 32;
+ pkt3->hash.sched.lo = pkt3_sched & 0xFFFFFFFF;
+ pkt3->hash.sched.hi = pkt3_sched >> 32;
+ }
+
+ for (; i < n_pkts; i++)
+ {
+ struct rte_mbuf *pkt = pkts[i];
+
+ u8 *pkt_data = rte_pktmbuf_mtod (pkt, u8 *);
+
+ u64 pkt_subport = BITFIELD (pkt_data, hqos->hqos_field0_slabpos,
+ hqos->hqos_field0_slabmask,
+ hqos->hqos_field0_slabshr);
+ u64 pkt_pipe = BITFIELD (pkt_data, hqos->hqos_field1_slabpos,
+ hqos->hqos_field1_slabmask,
+ hqos->hqos_field1_slabshr);
+ u64 pkt_dscp = BITFIELD (pkt_data, hqos->hqos_field2_slabpos,
+ hqos->hqos_field2_slabmask,
+ hqos->hqos_field2_slabshr);
+ u32 pkt_tc = hqos->hqos_tc_table[pkt_dscp & 0x3F] >> 2;
+ u32 pkt_tc_q = hqos->hqos_tc_table[pkt_dscp & 0x3F] & 0x3;
+
+ u64 pkt_sched = RTE_SCHED_PORT_HIERARCHY (pkt_subport,
+ pkt_pipe,
+ pkt_tc,
+ pkt_tc_q,
+ 0);
+
+ pkt->hash.sched.lo = pkt_sched & 0xFFFFFFFF;
+ pkt->hash.sched.hi = pkt_sched >> 32;
+ }
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */