[qca-nss-drv] Remove the deprecated files and APIs
Remove the deprecated APIs and xxx_tx_rx.c files
Change-Id: I6e1d3570f877e17c1c2907161f3248ed05308ee8
Signed-off-by: Sundarajan Srinivasan <sundaraj@codeaurora.org>
diff --git a/nss_n2h.c b/nss_n2h.c
new file mode 100755
index 0000000..bb725ee
--- /dev/null
+++ b/nss_n2h.c
@@ -0,0 +1,178 @@
+/*
+ **************************************************************************
+ * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
+ * Permission to use, copy, modify, and/or distribute this software for
+ * any purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all copies.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ **************************************************************************
+ */
+
+/*
+ * nss_n2h.c
+ * NSS N2H node APIs
+ */
+
+#include "nss_tx_rx_common.h"
+
+#define NSS_N2H_TIMEOUT 5*HZ
+
+wait_queue_head_t nss_n2h_wq;
+
+/*
+ * nss_n2h_tx()
+ * Send Message to NSS to enable RPS.
+ *
+ * This API could be used for any additional RPS related
+ * configuration in future.
+ */
+nss_tx_status_t nss_n2h_tx(struct nss_ctx_instance *nss_ctx, uint32_t enable_rps)
+{
+ struct sk_buff *nbuf;
+ nss_tx_status_t status;
+ struct nss_n2h_msg *nnhm;
+ struct nss_n2h_rps *rps_cfg;
+
+ NSS_VERIFY_CTX_MAGIC(nss_ctx);
+ if (unlikely(nss_ctx->state != NSS_CORE_STATE_INITIALIZED)) {
+ return NSS_TX_FAILURE_NOT_READY;
+ }
+
+ nbuf = dev_alloc_skb(NSS_NBUF_PAYLOAD_SIZE);
+ if (unlikely(!nbuf)) {
+ spin_lock_bh(&nss_ctx->nss_top->stats_lock);
+ nss_ctx->nss_top->stats_drv[NSS_STATS_DRV_NBUF_ALLOC_FAILS]++;
+ spin_unlock_bh(&nss_ctx->nss_top->stats_lock);
+ return NSS_TX_FAILURE;
+ }
+
+ nnhm = (struct nss_n2h_msg *)skb_put(nbuf, sizeof(struct nss_n2h_msg));
+
+ nnhm->cm.type = NSS_TX_METADATA_TYPE_N2H_RPS_CFG;
+ nnhm->cm.version = NSS_HLOS_MESSAGE_VERSION;
+ nnhm->cm.interface = NSS_N2H_INTERFACE;
+ nnhm->cm.len = nbuf->len;
+
+ rps_cfg = &nnhm->msg.rps_cfg;
+
+ rps_cfg->enable = enable_rps;
+
+ nss_info("n22_n2h_rps_configure %d \n", enable_rps);
+
+ status = nss_core_send_buffer(nss_ctx, 0, nbuf, NSS_IF_CMD_QUEUE, H2N_BUFFER_CTRL, 0);
+ if (status != NSS_CORE_STATUS_SUCCESS) {
+ dev_kfree_skb_any(nbuf);
+ nss_info("%p: unable to enqueue 'nss frequency change' - marked as stopped\n", nss_ctx);
+ return NSS_TX_FAILURE;
+ }
+
+ nss_hal_send_interrupt(nss_ctx->nmap, nss_ctx->h2n_desc_rings[NSS_IF_CMD_QUEUE].desc_ring.int_bit, NSS_REGS_H2N_INTR_STATUS_DATA_COMMAND_QUEUE);
+
+ return NSS_TX_SUCCESS;
+}
+
+/*
+ * nss_n2h_stats_sync()
+ * Handle the syncing of NSS statistics.
+ */
+static void nss_n2h_stats_sync(struct nss_ctx_instance *nss_ctx, struct nss_n2h_stats_sync *nnss)
+{
+ struct nss_top_instance *nss_top = nss_ctx->nss_top;
+
+ spin_lock_bh(&nss_top->stats_lock);
+
+ /*
+ * common node stats
+ */
+ nss_ctx->stats_n2h[NSS_STATS_NODE_RX_PKTS] += nnss->node_stats.rx_packets;
+ nss_ctx->stats_n2h[NSS_STATS_NODE_RX_BYTES] += nnss->node_stats.rx_bytes;
+ nss_ctx->stats_n2h[NSS_STATS_NODE_RX_DROPPED] += nnss->node_stats.rx_dropped;
+ nss_ctx->stats_n2h[NSS_STATS_NODE_TX_PKTS] += nnss->node_stats.tx_packets;
+ nss_ctx->stats_n2h[NSS_STATS_NODE_TX_BYTES] += nnss->node_stats.tx_bytes;
+
+ /*
+ * General N2H stats
+ */
+ nss_ctx->stats_n2h[NSS_STATS_N2H_QUEUE_DROPPED] += nnss->queue_dropped;
+ nss_ctx->stats_n2h[NSS_STATS_N2H_TOTAL_TICKS] += nnss->total_ticks;
+ nss_ctx->stats_n2h[NSS_STATS_N2H_WORST_CASE_TICKS] += nnss->worst_case_ticks;
+ nss_ctx->stats_n2h[NSS_STATS_N2H_ITERATIONS] += nnss->iterations;
+
+ /*
+ * pbuf manager ocm and default pool stats
+ */
+ nss_ctx->stats_n2h[NSS_STATS_N2H_PBUF_OCM_ALLOC_FAILS] += nnss->pbuf_ocm_stats.pbuf_alloc_fails;
+ nss_ctx->stats_n2h[NSS_STATS_N2H_PBUF_OCM_FREE_COUNT] = nnss->pbuf_ocm_stats.pbuf_free_count;
+ nss_ctx->stats_n2h[NSS_STATS_N2H_PBUF_OCM_TOTAL_COUNT] = nnss->pbuf_ocm_stats.pbuf_total_count;
+
+ nss_ctx->stats_n2h[NSS_STATS_N2H_PBUF_DEFAULT_ALLOC_FAILS] += nnss->pbuf_default_stats.pbuf_alloc_fails;
+ nss_ctx->stats_n2h[NSS_STATS_N2H_PBUF_DEFAULT_FREE_COUNT] = nnss->pbuf_default_stats.pbuf_free_count;
+ nss_ctx->stats_n2h[NSS_STATS_N2H_PBUF_DEFAULT_TOTAL_COUNT] = nnss->pbuf_default_stats.pbuf_total_count;
+
+ /*
+ * payload mgr stats
+ */
+ nss_ctx->stats_n2h[NSS_STATS_N2H_PAYLOAD_ALLOC_FAILS] += nnss->payload_alloc_fails;
+
+ spin_unlock_bh(&nss_top->stats_lock);
+}
+
+/*
+ * nss_n2h_interface_handler()
+ * Handle NSS -> HLOS messages for N2H node
+ */
+static void nss_n2h_interface_handler(struct nss_ctx_instance *nss_ctx, struct nss_cmn_msg *ncm, __attribute__((unused))void *app_data)
+{
+ struct nss_n2h_msg *nnm = (struct nss_n2h_msg *)ncm;
+
+ BUG_ON(ncm->interface != NSS_N2H_INTERFACE);
+
+ /*
+ * Is this a valid request/response packet?
+ */
+ if (nnm->cm.type >= NSS_METADATA_TYPE_N2H_MAX) {
+ nss_warning("%p: received invalid message %d for Offload stats interface", nss_ctx, nnm->cm.type);
+ return;
+ }
+
+ switch (nnm->cm.type) {
+ case NSS_TX_METADATA_TYPE_N2H_RPS_CFG:
+ nss_ctx->n2h_rps_en = nnm->msg.rps_cfg.enable;
+ nss_info("NSS N2H rps_en %d \n",nnm->msg.rps_cfg.enable);
+ wake_up(&nss_n2h_wq);
+ break;
+
+ case NSS_RX_METADATA_TYPE_N2H_STATS_SYNC:
+ nss_n2h_stats_sync(nss_ctx, &nnm->msg.stats_sync);
+ wake_up(&nss_n2h_wq);
+ break;
+
+ default:
+ if (ncm->response != NSS_CMN_RESPONSE_ACK) {
+ /*
+ * Check response
+ */
+ nss_info("%p: Received response %d for type %d, interface %d",
+ nss_ctx, ncm->response, ncm->type, ncm->interface);
+ }
+ }
+}
+
+/*
+ * nss_n2h_register_handler()
+ */
+void nss_n2h_register_handler()
+{
+ nss_core_register_handler(NSS_N2H_INTERFACE, nss_n2h_interface_handler, NULL);
+
+ /*
+ * Initialize wait queue
+ */
+ init_waitqueue_head(&nss_n2h_wq);
+}