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authorJulian Wiedmann <jwi@linux.vnet.ibm.com>2017-12-20 20:11:08 +0100
committerDavid S. Miller <davem@davemloft.net>2017-12-20 21:23:46 +0100
commitf6c131420a12945abd95f64b1400100988c6da10 (patch)
tree1955f3f330845d6ce51b5b535541d414c1795159 /drivers/s390
parents390/qeth: streamline l3_fill_header() (diff)
downloadlinux-f6c131420a12945abd95f64b1400100988c6da10.tar.xz
linux-f6c131420a12945abd95f64b1400100988c6da10.zip
s390/qeth: pass full data length to l3_fill_header()
The TSO and IQD paths already need to fix-up the current values, and OSA will require more flexibility in the future as well. So just let the caller specify the data length. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/net/qeth_l3_main.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 39b41e24318b..e31cc4fa544c 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2405,11 +2405,12 @@ static u8 qeth_l3_cast_type_to_flag(int cast_type)
}
static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
- struct sk_buff *skb, int ipv, int cast_type)
+ struct sk_buff *skb, int ipv, int cast_type,
+ unsigned int data_len)
{
memset(hdr, 0, sizeof(struct qeth_hdr));
hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
- hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
+ hdr->hdr.l3.length = data_len;
/*
* before we're going to overwrite this location with next hop ip.
@@ -2488,7 +2489,6 @@ static void qeth_tso_fill_header(struct qeth_card *card,
/*fix header to TSO values ...*/
hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO;
- hdr->hdr.hdr.l3.length = skb->len - sizeof(struct qeth_hdr_tso);
/*set values which are fix for the first approach ...*/
hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso);
hdr->ext.imb_hdr_no = 1;
@@ -2649,21 +2649,23 @@ static netdev_tx_t qeth_l3_hard_start_xmit(struct sk_buff *skb,
if (use_tso) {
hdr = skb_push(new_skb, sizeof(struct qeth_hdr_tso));
memset(hdr, 0, sizeof(struct qeth_hdr_tso));
- qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type);
+ qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type,
+ new_skb->len - sizeof(struct qeth_hdr_tso));
qeth_tso_fill_header(card, hdr, new_skb);
hdr_elements++;
} else {
if (data_offset < 0) {
hdr = skb_push(new_skb, sizeof(struct qeth_hdr));
- qeth_l3_fill_header(card, hdr, new_skb, ipv,
- cast_type);
+ qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type,
+ new_skb->len -
+ sizeof(struct qeth_hdr));
} else {
if (be16_to_cpu(new_skb->protocol) == ETH_P_AF_IUCV)
qeth_l3_fill_af_iucv_hdr(card, hdr, new_skb);
else {
qeth_l3_fill_header(card, hdr, new_skb, ipv,
- cast_type);
- hdr->hdr.l3.length = new_skb->len - data_offset;
+ cast_type,
+ new_skb->len - data_offset);
}
}