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path: root/drivers/s390/net/qeth_core_main.c
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Diffstat (limited to 'drivers/s390/net/qeth_core_main.c')
-rw-r--r--drivers/s390/net/qeth_core_main.c112
1 files changed, 61 insertions, 51 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 22470a3b182..f54bec54d67 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -20,8 +20,10 @@
#include <linux/kthread.h>
#include <linux/slab.h>
#include <net/iucv/af_iucv.h>
+#include <net/dsfield.h>
#include <asm/ebcdic.h>
+#include <asm/chpid.h>
#include <asm/io.h>
#include <asm/sysinfo.h>
#include <asm/compat.h>
@@ -1012,7 +1014,7 @@ static long __qeth_check_irb_error(struct ccw_device *cdev,
card = CARD_FROM_CDEV(cdev);
- if (!IS_ERR(irb))
+ if (!card || !IS_ERR(irb))
return 0;
switch (PTR_ERR(irb)) {
@@ -1028,7 +1030,7 @@ static long __qeth_check_irb_error(struct ccw_device *cdev,
QETH_CARD_TEXT(card, 2, "ckirberr");
QETH_CARD_TEXT_(card, 2, " rc%d", -ETIMEDOUT);
if (intparm == QETH_RCD_PARM) {
- if (card && (card->data.ccwdev == cdev)) {
+ if (card->data.ccwdev == cdev) {
card->data.state = CH_STATE_DOWN;
wake_up(&card->wait_q);
}
@@ -1344,16 +1346,7 @@ static void qeth_set_multiple_write_queues(struct qeth_card *card)
static void qeth_update_from_chp_desc(struct qeth_card *card)
{
struct ccw_device *ccwdev;
- struct channelPath_dsc {
- u8 flags;
- u8 lsn;
- u8 desc;
- u8 chpid;
- u8 swla;
- u8 zeroes;
- u8 chla;
- u8 chpp;
- } *chp_dsc;
+ struct channel_path_desc *chp_dsc;
QETH_DBF_TEXT(SETUP, 2, "chp_desc");
@@ -3670,42 +3663,56 @@ void qeth_qdio_output_handler(struct ccw_device *ccwdev,
}
EXPORT_SYMBOL_GPL(qeth_qdio_output_handler);
+/**
+ * Note: Function assumes that we have 4 outbound queues.
+ */
int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb,
int ipv, int cast_type)
{
- if (!ipv && (card->info.type == QETH_CARD_TYPE_OSD ||
- card->info.type == QETH_CARD_TYPE_OSX))
- return card->qdio.default_out_queue;
- switch (card->qdio.no_out_queues) {
- case 4:
- if (cast_type && card->info.is_multicast_different)
- return card->info.is_multicast_different &
- (card->qdio.no_out_queues - 1);
- if (card->qdio.do_prio_queueing && (ipv == 4)) {
- const u8 tos = ip_hdr(skb)->tos;
-
- if (card->qdio.do_prio_queueing ==
- QETH_PRIO_Q_ING_TOS) {
- if (tos & IP_TOS_NOTIMPORTANT)
- return 3;
- if (tos & IP_TOS_HIGHRELIABILITY)
- return 2;
- if (tos & IP_TOS_HIGHTHROUGHPUT)
- return 1;
- if (tos & IP_TOS_LOWDELAY)
- return 0;
- }
- if (card->qdio.do_prio_queueing ==
- QETH_PRIO_Q_ING_PREC)
- return 3 - (tos >> 6);
- } else if (card->qdio.do_prio_queueing && (ipv == 6)) {
- /* TODO: IPv6!!! */
+ __be16 *tci;
+ u8 tos;
+
+ if (cast_type && card->info.is_multicast_different)
+ return card->info.is_multicast_different &
+ (card->qdio.no_out_queues - 1);
+
+ switch (card->qdio.do_prio_queueing) {
+ case QETH_PRIO_Q_ING_TOS:
+ case QETH_PRIO_Q_ING_PREC:
+ switch (ipv) {
+ case 4:
+ tos = ipv4_get_dsfield(ip_hdr(skb));
+ break;
+ case 6:
+ tos = ipv6_get_dsfield(ipv6_hdr(skb));
+ break;
+ default:
+ return card->qdio.default_out_queue;
}
- return card->qdio.default_out_queue;
- case 1: /* fallthrough for single-out-queue 1920-device */
+ if (card->qdio.do_prio_queueing == QETH_PRIO_Q_ING_PREC)
+ return ~tos >> 6 & 3;
+ if (tos & IPTOS_MINCOST)
+ return 3;
+ if (tos & IPTOS_RELIABILITY)
+ return 2;
+ if (tos & IPTOS_THROUGHPUT)
+ return 1;
+ if (tos & IPTOS_LOWDELAY)
+ return 0;
+ break;
+ case QETH_PRIO_Q_ING_SKB:
+ if (skb->priority > 5)
+ return 0;
+ return ~skb->priority >> 1 & 3;
+ case QETH_PRIO_Q_ING_VLAN:
+ tci = &((struct ethhdr *)skb->data)->h_proto;
+ if (*tci == ETH_P_8021Q)
+ return ~*(tci + 1) >> (VLAN_PRIO_SHIFT + 1) & 3;
+ break;
default:
- return card->qdio.default_out_queue;
+ break;
}
+ return card->qdio.default_out_queue;
}
EXPORT_SYMBOL_GPL(qeth_get_priority_queue);
@@ -5711,6 +5718,7 @@ int qeth_core_ethtool_get_settings(struct net_device *netdev,
struct qeth_card *card = netdev->ml_priv;
enum qeth_link_types link_type;
struct carrier_info carrier_info;
+ u32 speed;
if ((card->info.type == QETH_CARD_TYPE_IQD) || (card->info.guestlan))
link_type = QETH_LINK_TYPE_10GBIT_ETH;
@@ -5725,28 +5733,29 @@ int qeth_core_ethtool_get_settings(struct net_device *netdev,
case QETH_LINK_TYPE_FAST_ETH:
case QETH_LINK_TYPE_LANE_ETH100:
qeth_set_ecmd_adv_sup(ecmd, SPEED_100, PORT_TP);
- ecmd->speed = SPEED_100;
+ speed = SPEED_100;
ecmd->port = PORT_TP;
break;
case QETH_LINK_TYPE_GBIT_ETH:
case QETH_LINK_TYPE_LANE_ETH1000:
qeth_set_ecmd_adv_sup(ecmd, SPEED_1000, PORT_FIBRE);
- ecmd->speed = SPEED_1000;
+ speed = SPEED_1000;
ecmd->port = PORT_FIBRE;
break;
case QETH_LINK_TYPE_10GBIT_ETH:
qeth_set_ecmd_adv_sup(ecmd, SPEED_10000, PORT_FIBRE);
- ecmd->speed = SPEED_10000;
+ speed = SPEED_10000;
ecmd->port = PORT_FIBRE;
break;
default:
qeth_set_ecmd_adv_sup(ecmd, SPEED_10, PORT_TP);
- ecmd->speed = SPEED_10;
+ speed = SPEED_10;
ecmd->port = PORT_TP;
}
+ ethtool_cmd_speed_set(ecmd, speed);
/* Check if we can obtain more accurate information. */
/* If QUERY_CARD_INFO command is not supported or fails, */
@@ -5791,18 +5800,19 @@ int qeth_core_ethtool_get_settings(struct net_device *netdev,
switch (carrier_info.port_speed) {
case CARD_INFO_PORTS_10M:
- ecmd->speed = SPEED_10;
+ speed = SPEED_10;
break;
case CARD_INFO_PORTS_100M:
- ecmd->speed = SPEED_100;
+ speed = SPEED_100;
break;
case CARD_INFO_PORTS_1G:
- ecmd->speed = SPEED_1000;
+ speed = SPEED_1000;
break;
case CARD_INFO_PORTS_10G:
- ecmd->speed = SPEED_10000;
+ speed = SPEED_10000;
break;
}
+ ethtool_cmd_speed_set(ecmd, speed);
return 0;
}
@@ -5824,7 +5834,7 @@ static int __init qeth_core_init(void)
if (rc)
goto out_err;
qeth_core_root_dev = root_device_register("qeth");
- rc = PTR_RET(qeth_core_root_dev);
+ rc = PTR_ERR_OR_ZERO(qeth_core_root_dev);
if (rc)
goto register_err;
qeth_core_header_cache = kmem_cache_create("qeth_hdr",
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-23 22:14:24 +0000