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Diffstat (limited to 'drivers/s390/net')
-rw-r--r--drivers/s390/net/Kconfig5
-rw-r--r--drivers/s390/net/lcs.c39
-rw-r--r--drivers/s390/net/qeth_core.h1
-rw-r--r--drivers/s390/net/qeth_core_main.c2
-rw-r--r--drivers/s390/net/qeth_l2_main.c9
-rw-r--r--drivers/s390/net/qeth_l3_main.c8
6 files changed, 19 insertions, 45 deletions
diff --git a/drivers/s390/net/Kconfig b/drivers/s390/net/Kconfig
index 9c67b97faba2..74760c1a163b 100644
--- a/drivers/s390/net/Kconfig
+++ b/drivers/s390/net/Kconfig
@@ -5,12 +5,11 @@ menu "S/390 network device drivers"
config LCS
def_tristate m
prompt "Lan Channel Station Interface"
- depends on CCW && NETDEVICES && (ETHERNET || FDDI)
+ depends on CCW && NETDEVICES && ETHERNET
help
Select this option if you want to use LCS networking on IBM System z.
- This device driver supports FDDI (IEEE 802.7) and Ethernet.
To compile as a module, choose M. The module name is lcs.
- If you do not know what it is, it's safe to choose Y.
+ If you do not use LCS, choose N.
config CTCM
def_tristate m
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 9fd8e6f07a03..a1f2acd6fb8f 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -17,7 +17,6 @@
#include <linux/if.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
-#include <linux/fddidevice.h>
#include <linux/inetdevice.h>
#include <linux/in.h>
#include <linux/igmp.h>
@@ -36,10 +35,6 @@
#include "lcs.h"
-#if !defined(CONFIG_ETHERNET) && !defined(CONFIG_FDDI)
-#error Cannot compile lcs.c without some net devices switched on.
-#endif
-
/*
* initialization string for output
*/
@@ -1601,19 +1596,11 @@ lcs_startlan_auto(struct lcs_card *card)
int rc;
LCS_DBF_TEXT(2, trace, "strtauto");
-#ifdef CONFIG_ETHERNET
card->lan_type = LCS_FRAME_TYPE_ENET;
rc = lcs_send_startlan(card, LCS_INITIATOR_TCPIP);
if (rc == 0)
return 0;
-#endif
-#ifdef CONFIG_FDDI
- card->lan_type = LCS_FRAME_TYPE_FDDI;
- rc = lcs_send_startlan(card, LCS_INITIATOR_TCPIP);
- if (rc == 0)
- return 0;
-#endif
return -EIO;
}
@@ -1806,22 +1793,16 @@ lcs_get_frames_cb(struct lcs_channel *channel, struct lcs_buffer *buffer)
card->stats.rx_errors++;
return;
}
- /* What kind of frame is it? */
- if (lcs_hdr->type == LCS_FRAME_TYPE_CONTROL) {
- /* Control frame. */
+ if (lcs_hdr->type == LCS_FRAME_TYPE_CONTROL)
lcs_get_control(card, (struct lcs_cmd *) lcs_hdr);
- } else if (lcs_hdr->type == LCS_FRAME_TYPE_ENET ||
- lcs_hdr->type == LCS_FRAME_TYPE_TR ||
- lcs_hdr->type == LCS_FRAME_TYPE_FDDI) {
- /* Normal network packet. */
+ else if (lcs_hdr->type == LCS_FRAME_TYPE_ENET)
lcs_get_skb(card, (char *)(lcs_hdr + 1),
lcs_hdr->offset - offset -
sizeof(struct lcs_header));
- } else {
- /* Unknown frame type. */
- ; // FIXME: error message ?
- }
- /* Proceed to next frame. */
+ else
+ dev_info_once(&card->dev->dev,
+ "Unknown frame type %d\n",
+ lcs_hdr->type);
offset = lcs_hdr->offset;
lcs_hdr->offset = LCS_ILLEGAL_OFFSET;
lcs_hdr = (struct lcs_header *) (buffer->data + offset);
@@ -2140,18 +2121,10 @@ lcs_new_device(struct ccwgroup_device *ccwgdev)
goto netdev_out;
}
switch (card->lan_type) {
-#ifdef CONFIG_ETHERNET
case LCS_FRAME_TYPE_ENET:
card->lan_type_trans = eth_type_trans;
dev = alloc_etherdev(0);
break;
-#endif
-#ifdef CONFIG_FDDI
- case LCS_FRAME_TYPE_FDDI:
- card->lan_type_trans = fddi_type_trans;
- dev = alloc_fddidev(0);
- break;
-#endif
default:
LCS_DBF_TEXT(3, setup, "errinit");
pr_err(" Initialization failed\n");
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 1d195429753d..613eab729704 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -716,7 +716,6 @@ struct qeth_card_info {
u16 chid;
u8 ids_valid:1; /* cssid,iid,chid */
u8 dev_addr_is_registered:1;
- u8 open_when_online:1;
u8 promisc_mode:1;
u8 use_v1_blkt:1;
u8 is_vm_nic:1;
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 1d5b207c2b9e..cd783290bde5 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -5373,8 +5373,6 @@ int qeth_set_offline(struct qeth_card *card, const struct qeth_discipline *disc,
qeth_clear_ipacmd_list(card);
rtnl_lock();
- card->info.open_when_online = card->dev->flags & IFF_UP;
- dev_close(card->dev);
netif_device_detach(card->dev);
netif_carrier_off(card->dev);
rtnl_unlock();
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 9f13ed170a43..75910c0bcc2b 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -2388,9 +2388,12 @@ static int qeth_l2_set_online(struct qeth_card *card, bool carrier_ok)
qeth_enable_hw_features(dev);
qeth_l2_enable_brport_features(card);
- if (card->info.open_when_online) {
- card->info.open_when_online = 0;
- dev_open(dev, NULL);
+ if (netif_running(dev)) {
+ local_bh_disable();
+ napi_schedule(&card->napi);
+ /* kick-start the NAPI softirq: */
+ local_bh_enable();
+ qeth_l2_set_rx_mode(dev);
}
rtnl_unlock();
}
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index af4e60d2917e..b92a32b4b114 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2018,9 +2018,11 @@ static int qeth_l3_set_online(struct qeth_card *card, bool carrier_ok)
netif_device_attach(dev);
qeth_enable_hw_features(dev);
- if (card->info.open_when_online) {
- card->info.open_when_online = 0;
- dev_open(dev, NULL);
+ if (netif_running(dev)) {
+ local_bh_disable();
+ napi_schedule(&card->napi);
+ /* kick-start the NAPI softirq: */
+ local_bh_enable();
}
rtnl_unlock();
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-11 01:07:40 +0000