[qca-nss-drv] PPE messages for inline IPsec acceleration
Changes implement required messages between Host and PPE
for enabling inline EIP flow acceleration.
Change-Id: If3abe374becf62073326b40f15aaf2efca7cb343
Signed-off-by: Amit Gupta <amitgupt@codeaurora.org>
diff --git a/nss_ppe.c b/nss_ppe.c
index a914880..90f0c5d 100644
--- a/nss_ppe.c
+++ b/nss_ppe.c
@@ -1,6 +1,6 @@
/*
**************************************************************************
- * Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2018, 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.
@@ -196,6 +196,106 @@
EXPORT_SYMBOL(nss_ppe_tx_l2_exception_msg);
/*
+ * nss_ppe_tx_ipsec_config_msg
+ * API to send inline IPsec port configure message to NSS FW
+ */
+nss_tx_status_t nss_ppe_tx_ipsec_config_msg(uint32_t nss_ifnum, uint32_t vsi_num, uint16_t mtu)
+{
+ struct nss_ctx_instance *nss_ctx = nss_ppe_get_context();
+ struct nss_ppe_msg npm = {0};
+
+ if (!nss_ctx) {
+ nss_warning("Can't get nss context\n");
+ return NSS_TX_FAILURE;
+ }
+
+ if (vsi_num >= NSS_PPE_VSI_NUM_MAX) {
+ nss_warning("Invalid vsi number:%u\n", vsi_num);
+ return NSS_TX_FAILURE;
+ }
+
+ nss_ppe_msg_init(&npm, NSS_PPE_INTERFACE, NSS_PPE_MSG_IPSEC_PORT_CONFIG,
+ sizeof(struct nss_ppe_ipsec_port_config_msg), NULL, NULL);
+
+ npm.msg.ipsec_config.nss_ifnum = nss_ifnum;
+ npm.msg.ipsec_config.vsi_num = vsi_num;
+ npm.msg.ipsec_config.mtu = mtu;
+
+ return nss_ppe_tx_msg_sync(nss_ctx, &npm);
+}
+EXPORT_SYMBOL(nss_ppe_tx_ipsec_config_msg);
+
+/*
+ * nss_ppe_tx_ipsec_mtu_msg
+ * API to send IPsec port MTU change message to NSS FW
+ */
+nss_tx_status_t nss_ppe_tx_ipsec_mtu_msg(uint32_t nss_ifnum, uint16_t mtu)
+{
+ struct nss_ctx_instance *nss_ctx = nss_ppe_get_context();
+ struct nss_ppe_msg npm = {0};
+
+ if (!nss_ctx) {
+ nss_warning("Can't get nss context\n");
+ return NSS_TX_FAILURE;
+ }
+
+ nss_ppe_msg_init(&npm, NSS_PPE_INTERFACE, NSS_PPE_MSG_IPSEC_PORT_MTU_CHANGE,
+ sizeof(struct nss_ppe_ipsec_port_mtu_msg), NULL, NULL);
+
+ npm.msg.ipsec_mtu.nss_ifnum = nss_ifnum;
+ npm.msg.ipsec_mtu.mtu = mtu;
+
+ return nss_ppe_tx_msg_sync(nss_ctx, &npm);
+}
+EXPORT_SYMBOL(nss_ppe_tx_ipsec_mtu_msg);
+
+/*
+ * nss_ppe_tx_ipsec_add_intf_msg
+ * API to attach NSS interface to IPsec port
+ */
+nss_tx_status_t nss_ppe_tx_ipsec_add_intf_msg(uint32_t nss_ifnum)
+{
+ struct nss_ctx_instance *nss_ctx = nss_ppe_get_context();
+ struct nss_ppe_msg npm = {0};
+
+ if (!nss_ctx) {
+ nss_warning("Can't get nss context\n");
+ return NSS_TX_FAILURE;
+ }
+
+ nss_ppe_msg_init(&npm, NSS_PPE_INTERFACE, NSS_PPE_MSG_IPSEC_ADD_INTF,
+ sizeof(struct nss_ppe_ipsec_add_intf_msg), NULL, NULL);
+
+ npm.msg.ipsec_addif.nss_ifnum = nss_ifnum;
+
+ return nss_ppe_tx_msg_sync(nss_ctx, &npm);
+}
+EXPORT_SYMBOL(nss_ppe_tx_ipsec_add_intf_msg);
+
+/*
+ * nss_ppe_tx_ipsec_del_intf_msg
+ * API to detach NSS interface to IPsec port
+ */
+nss_tx_status_t nss_ppe_tx_ipsec_del_intf_msg(uint32_t nss_ifnum)
+{
+ struct nss_ctx_instance *nss_ctx = nss_ppe_get_context();
+ struct nss_ppe_msg npm = {0};
+
+ if (!nss_ctx) {
+ nss_warning("Can't get nss context\n");
+ return NSS_TX_FAILURE;
+ }
+
+ nss_ppe_msg_init(&npm, NSS_PPE_INTERFACE, NSS_PPE_MSG_IPSEC_DEL_INTF,
+ sizeof(struct nss_ppe_ipsec_del_intf_msg), NULL, NULL);
+
+ npm.msg.ipsec_delif.nss_ifnum = nss_ifnum;
+
+ return nss_ppe_tx_msg_sync(nss_ctx, &npm);
+}
+EXPORT_SYMBOL(nss_ppe_tx_ipsec_del_intf_msg);
+
+/*
* nss_ppe_handler()
* Handle NSS -> HLOS messages for ppe
*/