From 071106ecf68c401173c58808b1cf5f68cc50d390 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 05 Jan 2024 08:39:27 +0000
Subject: [PATCH] change wifi driver to cypress
---
kernel/drivers/target/iscsi/iscsi_target_util.c | 128 ++++++++++++++++++------------------------
1 files changed, 54 insertions(+), 74 deletions(-)
diff --git a/kernel/drivers/target/iscsi/iscsi_target_util.c b/kernel/drivers/target/iscsi/iscsi_target_util.c
index 49be1e4..45ba07c 100644
--- a/kernel/drivers/target/iscsi/iscsi_target_util.c
+++ b/kernel/drivers/target/iscsi/iscsi_target_util.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*******************************************************************************
* This file contains the iSCSI Target specific utility functions.
*
@@ -5,15 +6,6 @@
*
* Author: Nicholas A. Bellinger <nab@linux-iscsi.org>
*
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
******************************************************************************/
#include <linux/list.h>
@@ -56,9 +48,6 @@
extern struct list_head g_tiqn_list;
extern spinlock_t tiqn_lock;
-/*
- * Called with cmd->r2t_lock held.
- */
int iscsit_add_r2t_to_list(
struct iscsi_cmd *cmd,
u32 offset,
@@ -67,6 +56,10 @@
u32 r2t_sn)
{
struct iscsi_r2t *r2t;
+
+ lockdep_assert_held(&cmd->r2t_lock);
+
+ WARN_ON_ONCE((s32)xfer_len < 0);
r2t = kmem_cache_zalloc(lio_r2t_cache, GFP_ATOMIC);
if (!r2t) {
@@ -128,11 +121,10 @@
return NULL;
}
-/*
- * Called with cmd->r2t_lock held.
- */
void iscsit_free_r2t(struct iscsi_r2t *r2t, struct iscsi_cmd *cmd)
{
+ lockdep_assert_held(&cmd->r2t_lock);
+
list_del(&r2t->r2t_list);
kmem_cache_free(lio_r2t_cache, r2t);
}
@@ -150,24 +142,26 @@
static int iscsit_wait_for_tag(struct se_session *se_sess, int state, int *cpup)
{
int tag = -1;
- DEFINE_WAIT(wait);
+ DEFINE_SBQ_WAIT(wait);
struct sbq_wait_state *ws;
+ struct sbitmap_queue *sbq;
if (state == TASK_RUNNING)
return tag;
- ws = &se_sess->sess_tag_pool.ws[0];
+ sbq = &se_sess->sess_tag_pool;
+ ws = &sbq->ws[0];
for (;;) {
- prepare_to_wait_exclusive(&ws->wait, &wait, state);
+ sbitmap_prepare_to_wait(sbq, ws, &wait, state);
if (signal_pending_state(state, current))
break;
- tag = sbitmap_queue_get(&se_sess->sess_tag_pool, cpup);
+ tag = sbitmap_queue_get(sbq, cpup);
if (tag >= 0)
break;
schedule();
}
- finish_wait(&ws->wait, &wait);
+ sbitmap_finish_wait(sbq, ws, &wait);
return tag;
}
@@ -735,6 +729,7 @@
kfree(cmd->pdu_list);
kfree(cmd->seq_list);
kfree(cmd->tmr_req);
+ kfree(cmd->overflow_buf);
kfree(cmd->iov_data);
kfree(cmd->text_in_ptr);
@@ -760,14 +755,16 @@
iscsit_remove_cmd_from_response_queue(cmd, conn);
}
- if (conn && conn->conn_transport->iscsit_release_cmd)
- conn->conn_transport->iscsit_release_cmd(conn, cmd);
+ if (conn && conn->conn_transport->iscsit_unmap_cmd)
+ conn->conn_transport->iscsit_unmap_cmd(conn, cmd);
}
void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown)
{
struct se_cmd *se_cmd = cmd->se_cmd.se_tfo ? &cmd->se_cmd : NULL;
int rc;
+
+ WARN_ON(!list_empty(&cmd->i_conn_node));
__iscsit_free_cmd(cmd, shutdown);
if (se_cmd) {
@@ -915,6 +912,7 @@
void iscsit_handle_nopin_response_timeout(struct timer_list *t)
{
struct iscsi_conn *conn = from_timer(conn, t, nopin_response_timer);
+ struct iscsi_session *sess = conn->sess;
iscsit_inc_conn_usage_count(conn);
@@ -925,28 +923,14 @@
return;
}
- pr_debug("Did not receive response to NOPIN on CID: %hu on"
- " SID: %u, failing connection.\n", conn->cid,
- conn->sess->sid);
+ pr_err("Did not receive response to NOPIN on CID: %hu, failing"
+ " connection for I_T Nexus %s,i,0x%6phN,%s,t,0x%02x\n",
+ conn->cid, sess->sess_ops->InitiatorName, sess->isid,
+ sess->tpg->tpg_tiqn->tiqn, (u32)sess->tpg->tpgt);
conn->nopin_response_timer_flags &= ~ISCSI_TF_RUNNING;
spin_unlock_bh(&conn->nopin_timer_lock);
- {
- struct iscsi_portal_group *tpg = conn->sess->tpg;
- struct iscsi_tiqn *tiqn = tpg->tpg_tiqn;
-
- if (tiqn) {
- spin_lock_bh(&tiqn->sess_err_stats.lock);
- strcpy(tiqn->sess_err_stats.last_sess_fail_rem_name,
- conn->sess->sess_ops->InitiatorName);
- tiqn->sess_err_stats.last_sess_failure_type =
- ISCSI_SESS_ERR_CXN_TIMEOUT;
- tiqn->sess_err_stats.cxn_timeout_errors++;
- atomic_long_inc(&conn->sess->conn_timeout_errors);
- spin_unlock_bh(&tiqn->sess_err_stats.lock);
- }
- }
-
+ iscsit_fill_cxn_timeout_err_stats(sess);
iscsit_cause_connection_reinstatement(conn, 0);
iscsit_dec_conn_usage_count(conn);
}
@@ -967,9 +951,6 @@
spin_unlock_bh(&conn->nopin_timer_lock);
}
-/*
- * Called with conn->nopin_timer_lock held.
- */
void iscsit_start_nopin_response_timer(struct iscsi_conn *conn)
{
struct iscsi_session *sess = conn->sess;
@@ -1027,13 +1008,13 @@
iscsit_dec_conn_usage_count(conn);
}
-/*
- * Called with conn->nopin_timer_lock held.
- */
void __iscsit_start_nopin_timer(struct iscsi_conn *conn)
{
struct iscsi_session *sess = conn->sess;
struct iscsi_node_attrib *na = iscsit_tpg_get_node_attrib(sess);
+
+ lockdep_assert_held(&conn->nopin_timer_lock);
+
/*
* NOPIN timeout is disabled.
*/
@@ -1247,19 +1228,20 @@
iscsi_dump_sess_ops(sess->sess_ops);
}
-static int iscsit_do_rx_data(
+int rx_data(
struct iscsi_conn *conn,
- struct iscsi_data_count *count)
+ struct kvec *iov,
+ int iov_count,
+ int data)
{
- int data = count->data_length, rx_loop = 0, total_rx = 0;
+ int rx_loop = 0, total_rx = 0;
struct msghdr msg;
if (!conn || !conn->sock || !conn->conn_ops)
return -1;
memset(&msg, 0, sizeof(struct msghdr));
- iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC,
- count->iov, count->iov_count, data);
+ iov_iter_kvec(&msg.msg_iter, READ, iov, iov_count, data);
while (msg_data_left(&msg)) {
rx_loop = sock_recvmsg(conn->sock, &msg, MSG_WAITALL);
@@ -1274,26 +1256,6 @@
}
return total_rx;
-}
-
-int rx_data(
- struct iscsi_conn *conn,
- struct kvec *iov,
- int iov_count,
- int data)
-{
- struct iscsi_data_count c;
-
- if (!conn || !conn->sock || !conn->conn_ops)
- return -1;
-
- memset(&c, 0, sizeof(struct iscsi_data_count));
- c.iov = iov;
- c.iov_count = iov_count;
- c.data_length = data;
- c.type = ISCSI_RX_DATA;
-
- return iscsit_do_rx_data(conn, &c);
}
int tx_data(
@@ -1315,8 +1277,7 @@
memset(&msg, 0, sizeof(struct msghdr));
- iov_iter_kvec(&msg.msg_iter, WRITE | ITER_KVEC,
- iov, iov_count, data);
+ iov_iter_kvec(&msg.msg_iter, WRITE, iov, iov_count, data);
while (msg_data_left(&msg)) {
int tx_loop = sock_sendmsg(conn->sock, &msg);
@@ -1405,3 +1366,22 @@
return tpg->tpg_tiqn;
}
+
+void iscsit_fill_cxn_timeout_err_stats(struct iscsi_session *sess)
+{
+ struct iscsi_portal_group *tpg = sess->tpg;
+ struct iscsi_tiqn *tiqn = tpg->tpg_tiqn;
+
+ if (!tiqn)
+ return;
+
+ spin_lock_bh(&tiqn->sess_err_stats.lock);
+ strlcpy(tiqn->sess_err_stats.last_sess_fail_rem_name,
+ sess->sess_ops->InitiatorName,
+ sizeof(tiqn->sess_err_stats.last_sess_fail_rem_name));
+ tiqn->sess_err_stats.last_sess_failure_type =
+ ISCSI_SESS_ERR_CXN_TIMEOUT;
+ tiqn->sess_err_stats.cxn_timeout_errors++;
+ atomic_long_inc(&sess->conn_timeout_errors);
+ spin_unlock_bh(&tiqn->sess_err_stats.lock);
+}
--
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