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s390/qeth: make TSO controls protocol-agnostic

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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>
This commit is contained in:
Julian Wiedmann 2018-10-12 17:27:12 +02:00 committed by David S. Miller
parent 139ce90a45
commit 1f83b817d0
1 changed files with 21 additions and 20 deletions
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41
drivers/s390/net/qeth_core_main.c
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@ -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;
}