Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 112 insertions, 0 deletions

diff --git a/src/network/tc/qdisc.h b/src/network/tc/qdisc.h
new file mode 100644
index 0000000..a62b941
--- /dev/null
+++ b/src/network/tc/qdisc.h
@@ -0,0 +1,112 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later
+ * Copyright © 2019 VMware, Inc. */
+#pragma once
+
+#include "conf-parser.h"
+#include "networkd-util.h"
+
+typedef struct Link Link;
+typedef struct Manager Manager;
+typedef struct Network Network;
+
+typedef enum QDiscKind {
+        QDISC_KIND_BFIFO,
+        QDISC_KIND_CAKE,
+        QDISC_KIND_CODEL,
+        QDISC_KIND_DRR,
+        QDISC_KIND_ETS,
+        QDISC_KIND_FQ,
+        QDISC_KIND_FQ_CODEL,
+        QDISC_KIND_FQ_PIE,
+        QDISC_KIND_GRED,
+        QDISC_KIND_HHF,
+        QDISC_KIND_HTB,
+        QDISC_KIND_NETEM,
+        QDISC_KIND_PFIFO,
+        QDISC_KIND_PFIFO_FAST,
+        QDISC_KIND_PFIFO_HEAD_DROP,
+        QDISC_KIND_PIE,
+        QDISC_KIND_QFQ,
+        QDISC_KIND_SFB,
+        QDISC_KIND_SFQ,
+        QDISC_KIND_TBF,
+        QDISC_KIND_TEQL,
+        _QDISC_KIND_MAX,
+        _QDISC_KIND_INVALID = -EINVAL,
+} QDiscKind;
+
+typedef struct QDisc {
+        Link *link;
+        Network *network;
+        ConfigSection *section;
+        NetworkConfigSource source;
+        NetworkConfigState state;
+
+        uint32_t handle;
+        uint32_t parent;
+
+        char *tca_kind;
+        QDiscKind kind;
+} QDisc;
+
+typedef struct QDiscVTable {
+        size_t object_size;
+        const char *tca_kind;
+        /* called in qdisc_new() */
+        int (*init)(QDisc *qdisc);
+        int (*fill_message)(Link *link, QDisc *qdisc, sd_netlink_message *m);
+        int (*verify)(QDisc *qdisc);
+        int (*is_ready)(QDisc *qdisc, Link *link);
+} QDiscVTable;
+
+extern const QDiscVTable * const qdisc_vtable[_QDISC_KIND_MAX];
+
+#define QDISC_VTABLE(q) ((q)->kind != _QDISC_KIND_INVALID ? qdisc_vtable[(q)->kind] : NULL)
+
+/* For casting a qdisc into the various qdisc kinds */
+#define DEFINE_QDISC_CAST(UPPERCASE, MixedCase)                           \
+        static inline MixedCase* UPPERCASE(QDisc *q) {                    \
+                if (_unlikely_(!q || q->kind != QDISC_KIND_##UPPERCASE))  \
+                        return NULL;                                      \
+                                                                          \
+                return (MixedCase*) q;                                    \
+        }
+
+DEFINE_NETWORK_CONFIG_STATE_FUNCTIONS(QDisc, qdisc);
+
+QDisc* qdisc_free(QDisc *qdisc);
+int qdisc_new_static(QDiscKind kind, Network *network, const char *filename, unsigned section_line, QDisc **ret);
+
+QDisc* qdisc_drop(QDisc *qdisc);
+
+int link_find_qdisc(Link *link, uint32_t handle, const char *kind, QDisc **qdisc);
+
+int link_request_qdisc(Link *link, QDisc *qdisc);
+
+void network_drop_invalid_qdisc(Network *network);
+
+int manager_rtnl_process_qdisc(sd_netlink *rtnl, sd_netlink_message *message, Manager *m);
+
+DEFINE_SECTION_CLEANUP_FUNCTIONS(QDisc, qdisc_free);
+
+CONFIG_PARSER_PROTOTYPE(config_parse_qdisc_parent);
+CONFIG_PARSER_PROTOTYPE(config_parse_qdisc_handle);
+
+#include "cake.h"
+#include "codel.h"
+#include "ets.h"
+#include "fifo.h"
+#include "fq-codel.h"
+#include "fq-pie.h"
+#include "fq.h"
+#include "gred.h"
+#include "hhf.h"
+#include "htb.h"
+#include "pie.h"
+#include "qfq.h"
+#include "netem.h"
+#include "drr.h"
+#include "sfb.h"
+#include "sfq.h"
+#include "tbf.h"
+#include "teql.h"