1 files changed, 103 insertions, 0 deletions
diff --git a/stacks/lwip_stack/lwip_src/include/netif/kni_proc.h b/stacks/lwip_stack/lwip_src/include/netif/kni_proc.h
new file mode 100644
index 0000000..4934ac3
--- /dev/null
+++ b/stacks/lwip_stack/lwip_src/include/netif/kni_proc.h
@@ -0,0 +1,103 @@
+/*
+*
+* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
+* 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.
+*/
+
+#ifndef _KNI_PROC_H_
+#define _KNI_PROC_H_
+#include <rte_kni.h>
+#include <rte_mempool.h>
+#include <rte_mbuf.h>
+
+#ifdef __cplusplus
+/* *INDENT-OFF* */
+extern "C" {
+/* *INDENT-ON* */
+#endif
+
+#define KNI_MAX_KTHREAD 32
+
+/* the kni is runned on the lcore from below on */
+#define DEFAULT_KNI_LCORE_BASE 24
+
+/* Structure of kni para */
+struct disp_kni_para
+{
+    u8_t queue_id;
+    u8_t port_id;
+};
+
+/*
+ * Structure of port parameters
+ */
+struct kni_port_params
+{
+    uint8_t port_id;            /* Port ID */
+    unsigned lcore_rx;          /* lcore ID for RX */
+    unsigned lcore_tx;          /* lcore ID for TX */
+    uint32_t nb_lcore_k;        /* Number of lcores for KNI multi kernel threads */
+    uint32_t nb_kni;            /* Number of KNI devices to be created */
+    unsigned lcore_k[KNI_MAX_KTHREAD];  /* lcore ID list for kthreads */
+    struct rte_kni *kni[KNI_MAX_KTHREAD];       /* KNI context pointers */
+    struct rte_mempool *kni_pktmbuf_pool;
+    u8_t ip_reconfigured;
+} __rte_cache_aligned;
+
+/* Structure type for storing kni interface specific stats */
+struct kni_interface_stats
+{
+    /* number of pkts received from NIC, and sent to KNI */
+    uint64_t rx_packets;
+
+    /* number of pkts received from NIC, but failed to send to KNI */
+    uint64_t rx_dropped;
+
+    /* number of pkts received from KNI, and sent to NIC */
+    uint64_t tx_packets;
+
+    /* number of pkts received from KNI, but failed to send to NIC */
+    uint64_t tx_dropped;
+};
+
+/* External interface for initilizing KNI subsystem */
+int kni_proc_init(enum rte_proc_type_t proc_type, int proc_id, u32_t pmask,
+                  struct kni_port_params **kni_para);
+
+int kni_proc_init_secondary(int proc_id, int port_id);
+/* External interface for destroy KNI subsystem */
+void kni_proc_free(void);
+
+/* External interface for kni tx thread entry */
+void kni_tx_thread_cycle(void *arg);
+
+int kni_config_net(void);
+void kni_handler_eth_operate_request(int port);
+
+/* External interface for commiting packet to kni device */
+void kni_dispatch_to_kernel(uint8_t port_id,
+                            struct rte_mbuf *pkts_burst[], uint8_t nb_rx);
+
+/* the lcore kni tx/rx thread run on */
+unsigned kni_get_tx_lcore(uint8_t port_id);
+unsigned kni_get_rx_lcore(uint8_t port_id);
+
+void init_kni(void);
+
+#ifdef __cplusplus
+/* *INDENT-OFF* */
+}
+/* *INDENT-ON* */
+#endif
+
+#endif /*#ifndef _KNI_PROC_H_ */