From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/net/rxrpc/conn_event.c | 69 +++++++++++++---------------------
1 files changed, 27 insertions(+), 42 deletions(-)
diff --git a/kernel/net/rxrpc/conn_event.c b/kernel/net/rxrpc/conn_event.c
index 04213af..aff1841 100644
--- a/kernel/net/rxrpc/conn_event.c
+++ b/kernel/net/rxrpc/conn_event.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* connection-level event handling
*
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -153,19 +149,20 @@
* pass a connection-level abort onto all calls on that connection
*/
static void rxrpc_abort_calls(struct rxrpc_connection *conn,
- enum rxrpc_call_completion compl)
+ enum rxrpc_call_completion compl,
+ rxrpc_serial_t serial)
{
struct rxrpc_call *call;
int i;
_enter("{%d},%x", conn->debug_id, conn->abort_code);
- spin_lock(&conn->channel_lock);
+ spin_lock(&conn->bundle->channel_lock);
for (i = 0; i < RXRPC_MAXCALLS; i++) {
call = rcu_dereference_protected(
conn->channels[i].call,
- lockdep_is_held(&conn->channel_lock));
+ lockdep_is_held(&conn->bundle->channel_lock));
if (call) {
if (compl == RXRPC_CALL_LOCALLY_ABORTED)
trace_rxrpc_abort(call->debug_id,
@@ -173,14 +170,16 @@
call->call_id, 0,
conn->abort_code,
conn->error);
- if (rxrpc_set_call_completion(call, compl,
- conn->abort_code,
- conn->error))
- rxrpc_notify_socket(call);
+ else
+ trace_rxrpc_rx_abort(call, serial,
+ conn->abort_code);
+ rxrpc_set_call_completion(call, compl,
+ conn->abort_code,
+ conn->error);
}
}
- spin_unlock(&conn->channel_lock);
+ spin_unlock(&conn->bundle->channel_lock);
_leave("");
}
@@ -211,9 +210,8 @@
conn->error = error;
conn->abort_code = abort_code;
conn->state = RXRPC_CONN_LOCALLY_ABORTED;
+ set_bit(RXRPC_CONN_DONT_REUSE, &conn->flags);
spin_unlock_bh(&conn->state_lock);
-
- rxrpc_abort_calls(conn, RXRPC_CALL_LOCALLY_ABORTED);
msg.msg_name = &conn->params.peer->srx.transport;
msg.msg_namelen = conn->params.peer->srx.transport_len;
@@ -242,6 +240,7 @@
len = iov[0].iov_len + iov[1].iov_len;
serial = atomic_inc_return(&conn->serial);
+ rxrpc_abort_calls(conn, RXRPC_CALL_LOCALLY_ABORTED, serial);
whdr.serial = htonl(serial);
_proto("Tx CONN ABORT %%%u { %d }", serial, conn->abort_code);
@@ -271,7 +270,7 @@
if (call) {
write_lock_bh(&call->state_lock);
if (call->state == RXRPC_CALL_SERVER_SECURING) {
- call->state = RXRPC_CALL_SERVER_ACCEPTING;
+ call->state = RXRPC_CALL_SERVER_RECV_REQUEST;
rxrpc_notify_socket(call);
}
write_unlock_bh(&call->state_lock);
@@ -321,7 +320,8 @@
conn->error = -ECONNABORTED;
conn->abort_code = abort_code;
conn->state = RXRPC_CONN_REMOTELY_ABORTED;
- rxrpc_abort_calls(conn, RXRPC_CALL_REMOTELY_ABORTED);
+ set_bit(RXRPC_CONN_DONT_REUSE, &conn->flags);
+ rxrpc_abort_calls(conn, RXRPC_CALL_REMOTELY_ABORTED, sp->hdr.serial);
return -ECONNABORTED;
case RXRPC_PACKET_TYPE_CHALLENGE:
@@ -341,7 +341,7 @@
if (ret < 0)
return ret;
- spin_lock(&conn->channel_lock);
+ spin_lock(&conn->bundle->channel_lock);
spin_lock_bh(&conn->state_lock);
if (conn->state == RXRPC_CONN_SERVICE_CHALLENGING) {
@@ -351,12 +351,12 @@
rxrpc_call_is_secure(
rcu_dereference_protected(
conn->channels[loop].call,
- lockdep_is_held(&conn->channel_lock)));
+ lockdep_is_held(&conn->bundle->channel_lock)));
} else {
spin_unlock_bh(&conn->state_lock);
}
- spin_unlock(&conn->channel_lock);
+ spin_unlock(&conn->bundle->channel_lock);
return 0;
default:
@@ -377,21 +377,7 @@
_enter("{%d}", conn->debug_id);
ASSERT(conn->security_ix != 0);
-
- if (!conn->params.key) {
- _debug("set up security");
- ret = rxrpc_init_server_conn_security(conn);
- switch (ret) {
- case 0:
- break;
- case -ENOENT:
- abort_code = RX_CALL_DEAD;
- goto abort;
- default:
- abort_code = RXKADNOAUTH;
- goto abort;
- }
- }
+ ASSERT(conn->server_key);
if (conn->security->issue_challenge(conn) < 0) {
abort_code = RX_CALL_DEAD;
@@ -411,7 +397,7 @@
/*
* Process delayed final ACKs that we haven't subsumed into a subsequent call.
*/
-static void rxrpc_process_delayed_final_acks(struct rxrpc_connection *conn)
+void rxrpc_process_delayed_final_acks(struct rxrpc_connection *conn, bool force)
{
unsigned long j = jiffies, next_j;
unsigned int channel;
@@ -430,7 +416,7 @@
smp_rmb(); /* vs rxrpc_disconnect_client_call */
ack_at = READ_ONCE(chan->final_ack_at);
- if (time_before(j, ack_at)) {
+ if (time_before(j, ack_at) && !force) {
if (time_before(ack_at, next_j)) {
next_j = ack_at;
set = true;
@@ -464,12 +450,12 @@
/* Process delayed ACKs whose time has come. */
if (conn->flags & RXRPC_CONN_FINAL_ACK_MASK)
- rxrpc_process_delayed_final_acks(conn);
+ rxrpc_process_delayed_final_acks(conn, false);
/* go through the conn-level event packets, releasing the ref on this
* connection that each one has when we've finished with it */
while ((skb = skb_dequeue(&conn->rx_queue))) {
- rxrpc_see_skb(skb, rxrpc_skb_rx_seen);
+ rxrpc_see_skb(skb, rxrpc_skb_seen);
ret = rxrpc_process_event(conn, skb, &abort_code);
switch (ret) {
case -EPROTO:
@@ -481,7 +467,7 @@
goto requeue_and_leave;
case -ECONNABORTED:
default:
- rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
+ rxrpc_free_skb(skb, rxrpc_skb_freed);
break;
}
}
@@ -495,7 +481,7 @@
protocol_error:
if (rxrpc_abort_connection(conn, ret, abort_code) < 0)
goto requeue_and_leave;
- rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
+ rxrpc_free_skb(skb, rxrpc_skb_freed);
return;
}
@@ -515,4 +501,3 @@
_leave("");
return;
}
-
--
Gitblit v1.6.2