diff options
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 13 | ||||
| -rw-r--r-- | drivers/s390/net/qeth_core_mpc.h | 10 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 5ab80ea0e099..49b813f8f91b 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -6104,11 +6104,19 @@ static int qeth_ipa_checksum_run_cmd(struct qeth_card *card, static int qeth_send_checksum_on(struct qeth_card *card, int cstype) { + const __u32 required_features = QETH_IPA_CHECKSUM_IP_HDR | + QETH_IPA_CHECKSUM_UDP | + QETH_IPA_CHECKSUM_TCP; struct qeth_checksum_cmd chksum_cb; int rc; rc = qeth_ipa_checksum_run_cmd(card, cstype, IPA_CMD_ASS_START, 0, &chksum_cb); + if (!rc) { + if ((required_features & chksum_cb.supported) != + required_features) + rc = -EIO; + } if (rc) { qeth_send_simple_setassparms(card, cstype, IPA_CMD_ASS_STOP, 0); dev_warn(&card->gdev->dev, @@ -6118,6 +6126,11 @@ static int qeth_send_checksum_on(struct qeth_card *card, int cstype) } rc = qeth_ipa_checksum_run_cmd(card, cstype, IPA_CMD_ASS_ENABLE, chksum_cb.supported, &chksum_cb); + if (!rc) { + if ((required_features & chksum_cb.enabled) != + required_features) + rc = -EIO; + } if (rc) { qeth_send_simple_setassparms(card, cstype, IPA_CMD_ASS_STOP, 0); dev_warn(&card->gdev->dev, diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h index f54ea7224b89..bc69d0a338ad 100644 --- a/drivers/s390/net/qeth_core_mpc.h +++ b/drivers/s390/net/qeth_core_mpc.h @@ -352,6 +352,16 @@ struct qeth_arp_query_info { char *udata; }; +/* IPA set assist segmentation bit definitions for receive and + * transmit checksum offloading. + */ +enum qeth_ipa_checksum_bits { + QETH_IPA_CHECKSUM_IP_HDR = 0x0002, + QETH_IPA_CHECKSUM_UDP = 0x0008, + QETH_IPA_CHECKSUM_TCP = 0x0010, + QETH_IPA_CHECKSUM_LP2LP = 0x0020 +}; + /* IPA Assist checksum offload reply layout. */ struct qeth_checksum_cmd { __u32 supported; |