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authorJulian Wiedmann <jwi@linux.ibm.com>2018-10-12 17:27:12 +0200
committerDavid S. Miller <davem@davemloft.net>2018-10-12 11:27:00 -0700
commit1f83b817d0f14ac06ab593b47fdd6f51238cd73e (patch)
tree2b3c246b87dafb9755027554de47034bad1d23b4 /drivers/s390
parent139ce90a45700234fdd78bec1ffe780085989f52 (diff)
downloadlinux-1f83b817d0f14ac06ab593b47fdd6f51238cd73e.tar.bz2
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')
-rw-r--r--drivers/s390/net/qeth_core_main.c41
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;
}