From: Zhang Chen <chen.zhang@intel.com>
To: Jason Wang <jasowang@redhat.com>,
qemu-dev <qemu-devel@nongnu.org>, Eric Blake <eblake@redhat.com>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
Markus Armbruster <armbru@redhat.com>,
Lukas Straub <lukasstraub2@web.de>
Cc: Zhang Chen <chen.zhang@intel.com>, Zhang Chen <zhangckid@gmail.com>
Subject: [PATCH V3 6/7] net/colo-compare: Add passthrough list to CompareState
Date: Thu, 18 Mar 2021 11:04:59 +0800 [thread overview]
Message-ID: <20210318030500.55352-7-chen.zhang@intel.com> (raw)
In-Reply-To: <20210318030500.55352-1-chen.zhang@intel.com>
Add passthrough list for each CompareState.
Signed-off-by: Zhang Chen <chen.zhang@intel.com>
---
net/colo-compare.c | 29 +++++++++++++++++++++++++++++
net/colo-compare.h | 11 +++++++++++
2 files changed, 40 insertions(+)
diff --git a/net/colo-compare.c b/net/colo-compare.c
index a803f8b888..40af8cd501 100644
--- a/net/colo-compare.c
+++ b/net/colo-compare.c
@@ -141,6 +141,7 @@ static int packet_enqueue(CompareState *s, int mode, Connection **con)
ConnectionKey key;
Packet *pkt = NULL;
Connection *conn;
+ PassthroughEntry *bypass, *next;
int ret;
if (mode == PRIMARY_IN) {
@@ -160,6 +161,32 @@ static int packet_enqueue(CompareState *s, int mode, Connection **con)
}
fill_connection_key(pkt, &key);
+ /* Check COLO passthrough connenction */
+ qemu_mutex_lock(&s->passthroughlist_mutex);
+ if (!QLIST_EMPTY(&s->passthroughlist)) {
+ QLIST_FOREACH_SAFE(bypass, &s->passthroughlist, node, next) {
+ if (((key.ip_proto == IPPROTO_TCP) && (bypass->l4_protocol == 0)) ||
+ ((key.ip_proto == IPPROTO_UDP) && (bypass->l4_protocol == 1))) {
+ if (bypass->src_port == 0 || bypass->src_port == key.dst_port) {
+ if (bypass->src_ip.s_addr == 0 ||
+ bypass->src_ip.s_addr == key.src.s_addr) {
+ if (bypass->dst_port == 0 ||
+ bypass->dst_port == key.src_port) {
+ if (bypass->dst_ip.s_addr == 0 ||
+ bypass->dst_ip.s_addr == key.dst.s_addr) {
+ packet_destroy(pkt, NULL);
+ pkt = NULL;
+ qemu_mutex_unlock(&s->passthroughlist_mutex);
+ return -1;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ qemu_mutex_unlock(&s->passthroughlist_mutex);
+
conn = connection_get(s->connection_track_table,
&key,
&s->conn_list);
@@ -1224,6 +1251,7 @@ static void colo_compare_complete(UserCreatable *uc, Error **errp)
}
g_queue_init(&s->conn_list);
+ QLIST_INIT(&s->passthroughlist);
s->connection_track_table = g_hash_table_new_full(connection_key_hash,
connection_key_equal,
@@ -1236,6 +1264,7 @@ static void colo_compare_complete(UserCreatable *uc, Error **errp)
if (!colo_compare_active) {
qemu_mutex_init(&event_mtx);
qemu_cond_init(&event_complete_cond);
+ qemu_mutex_init(&s->passthroughlist_mutex);
colo_compare_active = true;
}
QTAILQ_INSERT_TAIL(&net_compares, s, next);
diff --git a/net/colo-compare.h b/net/colo-compare.h
index 2a9dcac0a7..2259abcd63 100644
--- a/net/colo-compare.h
+++ b/net/colo-compare.h
@@ -54,6 +54,15 @@ typedef struct SendEntry {
uint8_t *buf;
} SendEntry;
+typedef struct PassthroughEntry {
+ int l4_protocol;
+ int src_port;
+ int dst_port;
+ struct in_addr src_ip;
+ struct in_addr dst_ip;
+ QLIST_ENTRY(PassthroughEntry) node;
+} PassthroughEntry;
+
/*
* + CompareState ++
* | |
@@ -110,6 +119,8 @@ struct CompareState {
QEMUBH *event_bh;
enum colo_event event;
+ QLIST_HEAD(, PassthroughEntry) passthroughlist;
+ QemuMutex passthroughlist_mutex;
QTAILQ_ENTRY(CompareState) next;
};
--
2.25.1
next prev parent reply other threads:[~2021-03-18 3:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-18 3:04 [PATCH V3 0/7] Bypass specific network traffic in COLO Zhang Chen
2021-03-18 3:04 ` [PATCH V3 1/7] qapi/net.json: Add IP_PROTOCOL definition Zhang Chen
2021-03-18 3:04 ` [PATCH V3 2/7] qapi/net.json: Add L4_Connection definition Zhang Chen
2021-03-18 3:04 ` [PATCH V3 3/7] qapi/net: Add new QMP command for COLO passthrough Zhang Chen
2021-03-18 3:04 ` [PATCH V3 4/7] hmp-commands: Add new HMP " Zhang Chen
2021-03-18 3:04 ` [PATCH V3 5/7] net/colo-compare: Move data structure and define to .h file Zhang Chen
2021-03-18 3:04 ` Zhang Chen [this message]
2021-03-18 3:05 ` [PATCH V3 7/7] net/net.c: Add handler for COLO passthrough connection Zhang Chen
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