diff options
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 6cd0fc1b203a..f161a10a6579 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -2198,11 +2198,11 @@ static inline int qeth_get_initial_mtu_for_card(struct qeth_card *card) case QETH_LINK_TYPE_LANE_TR: return 2000; default: - return 1492; + return card->options.layer2 ? 1500 : 1492; } case QETH_CARD_TYPE_OSM: case QETH_CARD_TYPE_OSX: - return 1492; + return card->options.layer2 ? 1500 : 1492; default: return 1500; } @@ -2275,9 +2275,10 @@ static int qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply, card->info.max_mtu = mtu; card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE; } else { - card->info.initial_mtu = qeth_get_initial_mtu_for_card(card); card->info.max_mtu = *(__u16 *)QETH_ULP_ENABLE_RESP_MAX_MTU( iob->data); + card->info.initial_mtu = min(card->info.max_mtu, + qeth_get_initial_mtu_for_card(card)); card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT; } |