Initial commit of tldk code.

[tldk.git] / lib / libtle_udp / udp_impl.h

diff --git a/lib/libtle_udp/udp_impl.h b/lib/libtle_udp/udp_impl.h
new file mode 100644 (file)
index 0000000..fbdb743
--- /dev/null
+++ b/lib/libtle_udp/udp_impl.h
@@ -0,0 +1,161 @@
+/*
+ * Copyright (c) 2016  Intel Corporation.
+ * 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 _UDP_IMPL_H_
+#define _UDP_IMPL_H_
+
+#include <rte_spinlock.h>
+#include <rte_vect.h>
+#include <tle_udp_impl.h>
+#include <tle_event.h>
+
+#include "buf_cage.h"
+#include "port_bitmap.h"
+#include "osdep.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum {
+       TLE_UDP_V4,
+       TLE_UDP_V6,
+       TLE_UDP_VNUM
+};
+
+union udp_ports {
+       uint32_t raw;
+       struct {
+               uint16_t src;
+               uint16_t dst;
+       };
+};
+
+union udph {
+       uint64_t raw;
+       struct {
+               union udp_ports ports;
+               uint16_t len;
+               uint16_t cksum;
+       };
+};
+
+union ipv4_addrs {
+       uint64_t raw;
+       struct {
+               uint32_t src;
+               uint32_t dst;
+       };
+};
+
+union ipv6_addrs {
+       _ymm_t raw;
+       struct {
+               rte_xmm_t src;
+               rte_xmm_t dst;
+       };
+};
+
+union ip_addrs {
+       union ipv4_addrs v4;
+       union ipv6_addrs v6;
+};
+
+
+struct tle_udp_stream {
+
+       STAILQ_ENTRY(tle_udp_stream) link;
+       struct tle_udp_ctx *ctx;
+
+       uint8_t type;          /* TLE_UDP_V4 or TLE_UDP_V6 */
+
+       struct {
+               struct rte_ring *q;
+               struct tle_event *ev;
+               struct tle_udp_stream_cb cb;
+               rte_atomic32_t use;
+       } rx;
+
+       union udp_ports port;
+       union udp_ports pmsk;
+
+       union {
+               struct {
+                       union ipv4_addrs addr;
+                       union ipv4_addrs mask;
+               } ipv4;
+               struct {
+                       union ipv6_addrs addr;
+                       union ipv6_addrs mask;
+               } ipv6;
+       };
+
+       struct {
+               rte_atomic32_t use;
+               rte_spinlock_t lock;
+               struct tle_event *ev;
+               struct tle_udp_stream_cb cb;
+               struct bcg_store *st;
+               struct buf_cage *cg[RTE_MAX_ETHPORTS];
+       } tx __rte_cache_aligned;
+
+       struct tle_udp_stream_param prm;
+} __rte_cache_aligned;
+
+struct tle_udp_dport {
+       struct udp_pbm use; /* ports in use. */
+       struct tle_udp_stream *streams[MAX_PORT_NUM]; /* port to stream. */
+};
+
+struct tle_udp_dev {
+       struct tle_udp_ctx *ctx;
+       struct {
+               uint64_t ol_flags[TLE_UDP_VNUM];
+       } rx;
+       struct {
+               /* used by FE. */
+               uint64_t ol_flags[TLE_UDP_VNUM];
+               rte_atomic32_t packet_id[TLE_UDP_VNUM];
+               struct bcg_queue feq;
+
+               /* used by BE only. */
+               struct bcg_queue beq __rte_cache_min_aligned;
+               struct buf_cage *bc;
+       } tx;
+       struct tle_udp_dev_param prm; /* copy of device paramaters. */
+       struct tle_udp_dport *dp[TLE_UDP_VNUM]; /* device udp ports */
+};
+
+struct tle_udp_ctx {
+       struct tle_udp_ctx_param prm;
+
+       struct {
+               rte_spinlock_t lock;
+               uint32_t nb_free; /* number of free streams. */
+               STAILQ_HEAD(, tle_udp_stream) free;
+               struct tle_udp_stream *buf; /* array of streams */
+       } streams;
+
+       rte_spinlock_t dev_lock;
+       uint32_t nb_dev;
+       struct udp_pbm use[TLE_UDP_VNUM];          /* all ports in use. */
+       struct tle_udp_dev dev[RTE_MAX_ETHPORTS];
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _UDP_IMPL_H_ */