[PATCH net-next 5/8] s390/qeth: reset seqnos on connection startup

Julian Wiedmann
2020-02-27T17:08:31Z

This let's us start every new IDX connection with clean seqnos.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
---
drivers/s390/net/qeth_core_main.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 5efcaa43615b..ba1e50ed50ec 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -1624,17 +1624,16 @@ static void qeth_set_blkt_defaults(struct qeth_card *card)
}
}

-static void qeth_init_tokens(struct qeth_card *card)
+static void qeth_idx_init(struct qeth_card *card)
{
+ memset(&card->seqno, 0, sizeof(card->seqno));
+
card->token.issuer_rm_w = 0x00010103UL;
card->token.cm_filter_w = 0x00010108UL;
card->token.cm_connection_w = 0x0001010aUL;
card->token.ulp_filter_w = 0x0001010bUL;
card->token.ulp_connection_w = 0x0001010dUL;
-}

-static void qeth_init_func_level(struct qeth_card *card)
-{
switch (card->info.type) {
case QETH_CARD_TYPE_IQD:
card->info.func_level = QETH_IDX_FUNC_LEVEL_IQD;
@@ -4952,9 +4951,9 @@ int qeth_core_hardsetup_card(struct qeth_card *card, bool *carrier_ok)
else
goto retry;
}
+
qeth_determine_capabilities(card);
- qeth_init_tokens(card);
- qeth_init_func_level(card);
+ qeth_idx_init(card);

rc = qeth_idx_activate_read_channel(card);
if (rc == -EINTR) {
--
2.17.1