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path: root/drivers/s390/net/qeth_l3_main.c
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Diffstat (limited to 'drivers/s390/net/qeth_l3_main.c')
-rw-r--r--drivers/s390/net/qeth_l3_main.c73
1 files changed, 44 insertions, 29 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 0271833da6a2..4d66f9556451 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -742,7 +742,7 @@ static int qeth_l3_setadapter_parms(struct qeth_card *card)
{
int rc = 0;
- QETH_DBF_TEXT(SETUP, 2, "setadprm");
+ QETH_CARD_TEXT(card, 2, "setadprm");
if (qeth_adp_supported(card, IPA_SETADP_ALTER_MAC_ADDRESS)) {
rc = qeth_setadpparms_change_macaddr(card);
@@ -979,7 +979,7 @@ static int qeth_l3_iqd_read_initial_mac(struct qeth_card *card)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
- QETH_DBF_TEXT(SETUP, 2, "hsrmac");
+ QETH_CARD_TEXT(card, 2, "hsrmac");
iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR,
QETH_PROT_IPV6);
@@ -1017,7 +1017,7 @@ static int qeth_l3_get_unique_id(struct qeth_card *card)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
- QETH_DBF_TEXT(SETUP, 2, "guniqeid");
+ QETH_CARD_TEXT(card, 2, "guniqeid");
if (!qeth_is_supported(card, IPA_IPV6)) {
card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED |
@@ -1044,7 +1044,7 @@ qeth_diags_trace_cb(struct qeth_card *card, struct qeth_reply *reply,
struct qeth_ipa_cmd *cmd;
__u16 rc;
- QETH_DBF_TEXT(SETUP, 2, "diastrcb");
+ QETH_CARD_TEXT(card, 2, "diastrcb");
cmd = (struct qeth_ipa_cmd *)data;
rc = cmd->hdr.return_code;
@@ -1100,7 +1100,7 @@ qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd)
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
- QETH_DBF_TEXT(SETUP, 2, "diagtrac");
+ QETH_CARD_TEXT(card, 2, "diagtrac");
iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0);
if (!iob)
@@ -1413,8 +1413,7 @@ static int qeth_l3_process_inbound_buffer(struct qeth_card *card,
static void qeth_l3_stop_card(struct qeth_card *card)
{
- QETH_DBF_TEXT(SETUP, 2, "stopcard");
- QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
+ QETH_CARD_TEXT(card, 2, "stopcard");
qeth_set_allowed_threads(card, 0, 1);
@@ -1436,11 +1435,8 @@ static void qeth_l3_stop_card(struct qeth_card *card)
qeth_clear_working_pool_list(card);
card->state = CARD_STATE_DOWN;
}
- if (card->state == CARD_STATE_DOWN) {
- qeth_clear_cmd_buffers(&card->read);
- qeth_clear_cmd_buffers(&card->write);
- }
+ qeth_clear_cmd_buffers(&card->write);
flush_workqueue(card->event_wq);
}
@@ -1888,13 +1884,20 @@ static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
static int qeth_l3_get_cast_type(struct sk_buff *skb)
{
+ int ipv = qeth_get_ip_version(skb);
struct neighbour *n = NULL;
struct dst_entry *dst;
rcu_read_lock();
dst = skb_dst(skb);
- if (dst)
- n = dst_neigh_lookup_skb(dst, skb);
+ if (dst) {
+ struct rt6_info *rt = (struct rt6_info *) dst;
+
+ dst = dst_check(dst, (ipv == 6) ? rt6_get_cookie(rt) : 0);
+ if (dst)
+ n = dst_neigh_lookup_skb(dst, skb);
+ }
+
if (n) {
int cast_type = n->type;
@@ -1909,8 +1912,10 @@ static int qeth_l3_get_cast_type(struct sk_buff *skb)
rcu_read_unlock();
/* no neighbour (eg AF_PACKET), fall back to target's IP address ... */
- switch (qeth_get_ip_version(skb)) {
+ switch (ipv) {
case 4:
+ if (ipv4_is_lbcast(ip_hdr(skb)->daddr))
+ return RTN_BROADCAST;
return ipv4_is_multicast(ip_hdr(skb)->daddr) ?
RTN_MULTICAST : RTN_UNICAST;
case 6:
@@ -1940,6 +1945,7 @@ static void qeth_l3_fill_header(struct qeth_qdio_out_q *queue,
struct qeth_hdr_layer3 *l3_hdr = &hdr->hdr.l3;
struct vlan_ethhdr *veth = vlan_eth_hdr(skb);
struct qeth_card *card = queue->card;
+ struct dst_entry *dst;
hdr->hdr.l3.length = data_len;
@@ -1985,15 +1991,27 @@ static void qeth_l3_fill_header(struct qeth_qdio_out_q *queue,
}
rcu_read_lock();
+ dst = skb_dst(skb);
+
if (ipv == 4) {
- struct rtable *rt = skb_rtable(skb);
+ struct rtable *rt;
+
+ if (dst)
+ dst = dst_check(dst, 0);
+ rt = (struct rtable *) dst;
*((__be32 *) &hdr->hdr.l3.next_hop.ipv4.addr) = (rt) ?
rt_nexthop(rt, ip_hdr(skb)->daddr) :
ip_hdr(skb)->daddr;
} else {
/* IPv6 */
- const struct rt6_info *rt = skb_rt6_info(skb);
+ struct rt6_info *rt;
+
+ if (dst) {
+ rt = (struct rt6_info *) dst;
+ dst = dst_check(dst, rt6_get_cookie(rt));
+ }
+ rt = (struct rt6_info *) dst;
if (rt && !ipv6_addr_any(&rt->rt6i_gateway))
l3_hdr->next_hop.ipv6_addr = rt->rt6i_gateway;
@@ -2315,12 +2333,11 @@ static int qeth_l3_set_online(struct ccwgroup_device *gdev)
mutex_lock(&card->discipline_mutex);
mutex_lock(&card->conf_mutex);
- QETH_DBF_TEXT(SETUP, 2, "setonlin");
- QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
+ QETH_CARD_TEXT(card, 2, "setonlin");
rc = qeth_core_hardsetup_card(card, &carrier_ok);
if (rc) {
- QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc);
+ QETH_CARD_TEXT_(card, 2, "2err%04x", rc);
rc = -ENODEV;
goto out_remove;
}
@@ -2336,28 +2353,28 @@ static int qeth_l3_set_online(struct ccwgroup_device *gdev)
qeth_print_status_message(card);
/* softsetup */
- QETH_DBF_TEXT(SETUP, 2, "softsetp");
+ QETH_CARD_TEXT(card, 2, "softsetp");
rc = qeth_l3_setadapter_parms(card);
if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc);
+ QETH_CARD_TEXT_(card, 2, "2err%04x", rc);
if (!card->options.sniffer) {
rc = qeth_l3_start_ipassists(card);
if (rc) {
- QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
+ QETH_CARD_TEXT_(card, 2, "3err%d", rc);
goto out_remove;
}
rc = qeth_l3_setrouting_v4(card);
if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "4err%04x", rc);
+ QETH_CARD_TEXT_(card, 2, "4err%04x", rc);
rc = qeth_l3_setrouting_v6(card);
if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "5err%04x", rc);
+ QETH_CARD_TEXT_(card, 2, "5err%04x", rc);
}
rc = qeth_init_qdio_queues(card);
if (rc) {
- QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc);
+ QETH_CARD_TEXT_(card, 2, "6err%d", rc);
rc = -ENODEV;
goto out_remove;
}
@@ -2398,7 +2415,6 @@ out_remove:
ccw_device_set_offline(CARD_WDEV(card));
ccw_device_set_offline(CARD_RDEV(card));
qdio_free(CARD_DDEV(card));
- card->state = CARD_STATE_DOWN;
mutex_unlock(&card->conf_mutex);
mutex_unlock(&card->discipline_mutex);
@@ -2413,8 +2429,7 @@ static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev,
mutex_lock(&card->discipline_mutex);
mutex_lock(&card->conf_mutex);
- QETH_DBF_TEXT(SETUP, 3, "setoffl");
- QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *));
+ QETH_CARD_TEXT(card, 3, "setoffl");
if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) {
qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
@@ -2440,7 +2455,7 @@ static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev,
if (!rc)
rc = (rc2) ? rc2 : rc3;
if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
+ QETH_CARD_TEXT_(card, 2, "1err%d", rc);
qdio_free(CARD_DDEV(card));
/* let user_space know that device is offline */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.