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-rw-r--r--src/plugins/dev_octeon/queue.c303
1 files changed, 303 insertions, 0 deletions
diff --git a/src/plugins/dev_octeon/queue.c b/src/plugins/dev_octeon/queue.c
new file mode 100644
index 00000000000..9378fc3b7c7
--- /dev/null
+++ b/src/plugins/dev_octeon/queue.c
@@ -0,0 +1,303 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright (c) 2023 Cisco Systems, Inc.
+ */
+
+#include <vnet/vnet.h>
+#include <vnet/dev/dev.h>
+#include <vnet/dev/pci.h>
+#include <vnet/dev/counters.h>
+#include <dev_octeon/octeon.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/plugin/plugin.h>
+#include <vpp/app/version.h>
+
+VLIB_REGISTER_LOG_CLASS (oct_log, static) = {
+ .class_name = "octeon",
+ .subclass_name = "queue",
+};
+
+static vnet_dev_rv_t
+oct_roc_err (vnet_dev_t *dev, int rv, char *fmt, ...)
+{
+ u8 *s = 0;
+ va_list va;
+
+ va_start (va, fmt);
+ s = va_format (s, fmt, &va);
+ va_end (va);
+
+ log_err (dev, "%v - ROC error %s (%d)", s, roc_error_msg_get (rv), rv);
+
+ vec_free (s);
+ return VNET_DEV_ERR_INTERNAL;
+}
+
+vnet_dev_rv_t
+oct_rx_queue_alloc (vlib_main_t *vm, vnet_dev_rx_queue_t *rxq)
+{
+ vnet_dev_port_t *port = rxq->port;
+ vnet_dev_t *dev = port->dev;
+
+ log_debug (dev, "rx_queue_alloc: queue %u alocated", rxq->queue_id);
+ return VNET_DEV_OK;
+}
+
+void
+oct_rx_queue_free (vlib_main_t *vm, vnet_dev_rx_queue_t *rxq)
+{
+ vnet_dev_port_t *port = rxq->port;
+ vnet_dev_t *dev = port->dev;
+
+ log_debug (dev, "rx_queue_free: queue %u", rxq->queue_id);
+}
+
+vnet_dev_rv_t
+oct_tx_queue_alloc (vlib_main_t *vm, vnet_dev_tx_queue_t *txq)
+{
+ oct_txq_t *ctq = vnet_dev_get_tx_queue_data (txq);
+ vnet_dev_port_t *port = txq->port;
+ vnet_dev_t *dev = port->dev;
+
+ log_debug (dev, "tx_queue_alloc: queue %u alocated", txq->queue_id);
+
+ return vnet_dev_dma_mem_alloc (
+ vm, dev, sizeof (void *) * ROC_CN10K_NPA_BATCH_ALLOC_MAX_PTRS, 128,
+ (void **) &ctq->ba_buffer);
+}
+
+void
+oct_tx_queue_free (vlib_main_t *vm, vnet_dev_tx_queue_t *txq)
+{
+ oct_txq_t *ctq = vnet_dev_get_tx_queue_data (txq);
+ vnet_dev_port_t *port = txq->port;
+ vnet_dev_t *dev = port->dev;
+
+ log_debug (dev, "tx_queue_free: queue %u", txq->queue_id);
+
+ vnet_dev_dma_mem_free (vm, dev, ctq->ba_buffer);
+}
+
+vnet_dev_rv_t
+oct_rxq_init (vlib_main_t *vm, vnet_dev_rx_queue_t *rxq)
+{
+ oct_rxq_t *crq = vnet_dev_get_rx_queue_data (rxq);
+ vnet_dev_t *dev = rxq->port->dev;
+ oct_device_t *cd = vnet_dev_get_data (dev);
+ vlib_buffer_pool_t *bp =
+ vlib_get_buffer_pool (vm, vnet_dev_get_rx_queue_buffer_pool_index (rxq));
+ struct roc_nix *nix = cd->nix;
+ int rrv;
+
+ struct npa_aura_s aura = {};
+ struct npa_pool_s npapool = { .nat_align = 1 };
+
+ if ((rrv = roc_npa_pool_create (&crq->aura_handle, bp->alloc_size, rxq->size,
+ &aura, &npapool, 0)))
+ {
+ oct_rxq_deinit (vm, rxq);
+ return oct_roc_err (dev, rrv, "roc_npa_pool_create() failed");
+ }
+
+ crq->npa_pool_initialized = 1;
+ log_notice (dev, "NPA pool created, aura_handle = 0x%lx", crq->aura_handle);
+
+ crq->cq = (struct roc_nix_cq){
+ .nb_desc = rxq->size,
+ .qid = rxq->queue_id,
+ };
+
+ if ((rrv = roc_nix_cq_init (nix, &crq->cq)))
+ {
+ oct_rxq_deinit (vm, rxq);
+ return oct_roc_err (dev, rrv,
+ "roc_nix_cq_init(qid = %u, nb_desc = %u) failed",
+ crq->cq.nb_desc, crq->cq.nb_desc);
+ }
+
+ crq->cq_initialized = 1;
+ log_debug (dev, "CQ %u initialised (qmask 0x%x wdata 0x%lx)", crq->cq.qid,
+ crq->cq.qmask, crq->cq.wdata);
+
+ crq->hdr_off = vm->buffer_main->ext_hdr_size;
+
+ crq->rq = (struct roc_nix_rq){
+ .qid = rxq->queue_id,
+ .cqid = crq->cq.qid,
+ .aura_handle = crq->aura_handle,
+ .first_skip = crq->hdr_off + sizeof (vlib_buffer_t),
+ .later_skip = crq->hdr_off + sizeof (vlib_buffer_t),
+ .lpb_size = bp->data_size + crq->hdr_off + sizeof (vlib_buffer_t),
+ .flow_tag_width = 32,
+ };
+
+ if ((rrv = roc_nix_rq_init (nix, &crq->rq, 1 /* disable */)))
+ {
+ oct_rxq_deinit (vm, rxq);
+ return oct_roc_err (dev, rrv, "roc_nix_rq_init(qid = %u) failed",
+ crq->rq.qid);
+ }
+
+ crq->rq_initialized = 1;
+ crq->lmt_base_addr = roc_idev_lmt_base_addr_get ();
+ crq->aura_batch_free_ioaddr =
+ (roc_npa_aura_handle_to_base (crq->aura_handle) +
+ NPA_LF_AURA_BATCH_FREE0) |
+ (0x7 << 4);
+
+ log_debug (dev, "RQ %u initialised", crq->cq.qid);
+
+ return VNET_DEV_OK;
+}
+
+void
+oct_rxq_deinit (vlib_main_t *vm, vnet_dev_rx_queue_t *rxq)
+{
+ oct_rxq_t *crq = vnet_dev_get_rx_queue_data (rxq);
+ vnet_dev_t *dev = rxq->port->dev;
+ int rrv;
+
+ if (crq->rq_initialized)
+ {
+ rrv = roc_nix_rq_fini (&crq->rq);
+ if (rrv)
+ oct_roc_err (dev, rrv, "roc_nix_rq_fini() failed");
+ crq->rq_initialized = 0;
+ }
+
+ if (crq->cq_initialized)
+ {
+ rrv = roc_nix_cq_fini (&crq->cq);
+ if (rrv)
+ oct_roc_err (dev, rrv, "roc_nix_cq_fini() failed");
+ crq->cq_initialized = 0;
+ }
+
+ if (crq->npa_pool_initialized)
+ {
+ rrv = roc_npa_pool_destroy (crq->aura_handle);
+ if (rrv)
+ oct_roc_err (dev, rrv, "roc_npa_pool_destroy() failed");
+ crq->npa_pool_initialized = 0;
+ }
+}
+
+vnet_dev_rv_t
+oct_txq_init (vlib_main_t *vm, vnet_dev_tx_queue_t *txq)
+{
+ oct_txq_t *ctq = vnet_dev_get_tx_queue_data (txq);
+ vnet_dev_t *dev = txq->port->dev;
+ oct_device_t *cd = vnet_dev_get_data (dev);
+ struct roc_nix *nix = cd->nix;
+ struct npa_aura_s aura = {};
+ struct npa_pool_s npapool = { .nat_align = 1 };
+ int rrv;
+ vlib_buffer_pool_t *bp = vlib_get_buffer_pool (vm, 0);
+
+ if ((rrv = roc_npa_pool_create (
+ &ctq->aura_handle, bp->alloc_size,
+ txq->size * 6 /* worst case - two SG with 3 segs each = 6 */, &aura,
+ &npapool, 0)))
+ {
+ oct_txq_deinit (vm, txq);
+ return oct_roc_err (dev, rrv, "roc_npa_pool_create() failed");
+ }
+
+ ctq->npa_pool_initialized = 1;
+ log_notice (dev, "NPA pool created, aura_handle = 0x%lx", ctq->aura_handle);
+
+ ctq->sq = (struct roc_nix_sq){
+ .nb_desc = txq->size,
+ .qid = txq->queue_id,
+ .max_sqe_sz = NIX_MAXSQESZ_W16,
+ };
+
+ if ((rrv = roc_nix_sq_init (nix, &ctq->sq)))
+ {
+ oct_txq_deinit (vm, txq);
+ return oct_roc_err (
+ dev, rrv,
+ "roc_nix_sq_init(qid = %u, nb_desc = %u, max_sqe_sz = %u) failed",
+ ctq->sq.nb_desc, ctq->sq.max_sqe_sz);
+ }
+
+ ctq->sq_initialized = 1;
+ log_debug (dev, "SQ initialised, qid %u, nb_desc %u, max_sqe_sz %u",
+ ctq->sq.qid, ctq->sq.nb_desc, ctq->sq.max_sqe_sz);
+
+ ctq->hdr_off = vm->buffer_main->ext_hdr_size;
+
+ if (ctq->sq.lmt_addr == 0)
+ ctq->sq.lmt_addr = (void *) nix->lmt_base;
+ ctq->io_addr = ctq->sq.io_addr & ~0x7fULL;
+ ctq->lmt_addr = ctq->sq.lmt_addr;
+
+ return VNET_DEV_OK;
+}
+
+void
+oct_txq_deinit (vlib_main_t *vm, vnet_dev_tx_queue_t *txq)
+{
+ oct_txq_t *ctq = vnet_dev_get_tx_queue_data (txq);
+ vnet_dev_t *dev = txq->port->dev;
+ int rrv;
+
+ if (ctq->sq_initialized)
+ {
+ rrv = roc_nix_sq_fini (&ctq->sq);
+ if (rrv)
+ oct_roc_err (dev, rrv, "roc_nix_sq_fini() failed");
+ ctq->sq_initialized = 0;
+ }
+
+ if (ctq->npa_pool_initialized)
+ {
+ rrv = roc_npa_pool_destroy (ctq->aura_handle);
+ if (rrv)
+ oct_roc_err (dev, rrv, "roc_npa_pool_destroy() failed");
+ ctq->npa_pool_initialized = 0;
+ }
+}
+
+u8 *
+format_oct_rxq_info (u8 *s, va_list *args)
+{
+ vnet_dev_format_args_t *a = va_arg (*args, vnet_dev_format_args_t *);
+ vnet_dev_rx_queue_t *rxq = va_arg (*args, vnet_dev_rx_queue_t *);
+ oct_rxq_t *crq = vnet_dev_get_rx_queue_data (rxq);
+ u32 indent = format_get_indent (s);
+
+ if (a->debug)
+ {
+ s = format (s, "n_enq %u cq_nb_desc %u", crq->n_enq, crq->cq.nb_desc);
+ s = format (s, "\n%Uaura: id 0x%x count %u limit %u avail %u",
+ format_white_space, indent,
+ roc_npa_aura_handle_to_aura (crq->aura_handle),
+ roc_npa_aura_op_cnt_get (crq->aura_handle),
+ roc_npa_aura_op_limit_get (crq->aura_handle),
+ roc_npa_aura_op_available (crq->aura_handle));
+ }
+ return s;
+}
+
+u8 *
+format_oct_txq_info (u8 *s, va_list *args)
+{
+ vnet_dev_format_args_t *a = va_arg (*args, vnet_dev_format_args_t *);
+ vnet_dev_tx_queue_t *txq = va_arg (*args, vnet_dev_tx_queue_t *);
+ oct_txq_t *ctq = vnet_dev_get_tx_queue_data (txq);
+ u32 indent = format_get_indent (s);
+
+ if (a->debug)
+ {
+ s = format (s, "n_enq %u sq_nb_desc %u io_addr %p lmt_addr %p",
+ ctq->n_enq, ctq->sq.nb_desc, ctq->io_addr, ctq->lmt_addr);
+ s = format (s, "\n%Uaura: id 0x%x count %u limit %u avail %u",
+ format_white_space, indent,
+ roc_npa_aura_handle_to_aura (ctq->aura_handle),
+ roc_npa_aura_op_cnt_get (ctq->aura_handle),
+ roc_npa_aura_op_limit_get (ctq->aura_handle),
+ roc_npa_aura_op_available (ctq->aura_handle));
+ }
+
+ return s;
+}