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| author | Julian Wiedmann <jwi@linux.ibm.com> | 2018-10-12 17:27:12 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-10-12 11:27:00 -0700 |
| commit | 1f83b817d0f14ac06ab593b47fdd6f51238cd73e (patch) | |
| tree | 2b3c246b87dafb9755027554de47034bad1d23b4 /drivers/s390/net | |
| parent | 139ce90a45700234fdd78bec1ffe780085989f52 (diff) | |
| download | linux-1f83b817d0f14ac06ab593b47fdd6f51238cd73e.tar.gz linux-1f83b817d0f14ac06ab593b47fdd6f51238cd73e.tar.bz2 linux-1f83b817d0f14ac06ab593b47fdd6f51238cd73e.zip | |
s390/qeth: make TSO controls protocol-agnostic
In preparation for IPv6 TSO, turn the protocol version into a parameter
for the TSO control code.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390/net')
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 1771d0073c0c..92e539d1fbd3 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -6396,27 +6396,27 @@ static int qeth_set_ipa_csum(struct qeth_card *card, bool on, int cstype, return rc ? -EIO : 0; } -static int qeth_set_ipa_tso(struct qeth_card *card, int on) +static int qeth_set_tso_off(struct qeth_card *card, + enum qeth_prot_versions prot) { - int rc; + return qeth_send_simple_setassparms_prot(card, IPA_OUTBOUND_TSO, + IPA_CMD_ASS_STOP, 0, prot); +} - QETH_CARD_TEXT(card, 3, "sttso"); +static int qeth_set_tso_on(struct qeth_card *card, + enum qeth_prot_versions prot) +{ + return qeth_send_simple_setassparms_prot(card, IPA_OUTBOUND_TSO, + IPA_CMD_ASS_START, 0, prot); +} - if (on) { - rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO, - IPA_CMD_ASS_START, 0); - if (rc) { - dev_warn(&card->gdev->dev, - "Starting outbound TCP segmentation offload for %s failed\n", - QETH_CARD_IFNAME(card)); - return -EIO; - } - dev_info(&card->gdev->dev, "Outbound TSO enabled\n"); - } else { - rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO, - IPA_CMD_ASS_STOP, 0); - } - return rc; +static int qeth_set_ipa_tso(struct qeth_card *card, bool on, + enum qeth_prot_versions prot) +{ + int rc = on ? qeth_set_tso_on(card, prot) : + qeth_set_tso_off(card, prot); + + return rc ? -EIO : 0; } static int qeth_set_ipa_rx_csum(struct qeth_card *card, bool on) @@ -6493,8 +6493,9 @@ int qeth_set_features(struct net_device *dev, netdev_features_t features) if (rc) changed ^= NETIF_F_RXCSUM; } - if ((changed & NETIF_F_TSO)) { - rc = qeth_set_ipa_tso(card, features & NETIF_F_TSO ? 1 : 0); + if (changed & NETIF_F_TSO) { + rc = qeth_set_ipa_tso(card, features & NETIF_F_TSO, + QETH_PROT_IPV4); if (rc) changed ^= NETIF_F_TSO; } |