summaryrefslogtreecommitdiff
path: root/drivers/s390/net/qeth_l3_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/s390/net/qeth_l3_main.c')
-rw-r--r--drivers/s390/net/qeth_l3_main.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index b5733e405ed9..61d348e51920 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2904,19 +2904,11 @@ static inline int qeth_l3_tso_elements(struct sk_buff *skb)
unsigned long tcpd = (unsigned long)tcp_hdr(skb) +
tcp_hdr(skb)->doff * 4;
int tcpd_len = skb->len - (tcpd - (unsigned long)skb->data);
- int elements = PFN_UP(tcpd + tcpd_len) - PFN_DOWN(tcpd);
+ int elements = PFN_UP(tcpd + tcpd_len - 1) - PFN_DOWN(tcpd);
elements += skb_shinfo(skb)->nr_frags;
return elements;
}
-static inline int qeth_l3_tso_check(struct sk_buff *skb)
-{
- int len = ((unsigned long)tcp_hdr(skb) + tcp_hdr(skb)->doff * 4) -
- (unsigned long)skb->data;
- return (((unsigned long)skb->data & PAGE_MASK) !=
- (((unsigned long)skb->data + len) & PAGE_MASK));
-}
-
static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
int rc;
@@ -3016,8 +3008,6 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
(cast_type == RTN_UNSPEC)) {
hdr = (struct qeth_hdr *)skb_push(new_skb,
sizeof(struct qeth_hdr_tso));
- if (qeth_l3_tso_check(new_skb))
- QETH_DBF_MESSAGE(2, "tso skb misaligned\n");
memset(hdr, 0, sizeof(struct qeth_hdr_tso));
qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type);
qeth_tso_fill_header(card, hdr, new_skb);
@@ -3048,10 +3038,20 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
elements_needed += elems;
nr_frags = skb_shinfo(new_skb)->nr_frags;
- if (card->info.type != QETH_CARD_TYPE_IQD)
+ if (card->info.type != QETH_CARD_TYPE_IQD) {
+ int len;
+ if (large_send == QETH_LARGE_SEND_TSO)
+ len = ((unsigned long)tcp_hdr(new_skb) +
+ tcp_hdr(new_skb)->doff * 4) -
+ (unsigned long)new_skb->data;
+ else
+ len = sizeof(struct qeth_hdr_layer3);
+
+ if (qeth_hdr_chk_and_bounce(new_skb, len))
+ goto tx_drop;
rc = qeth_do_send_packet(card, queue, new_skb, hdr,
elements_needed);
- else
+ } else
rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
elements_needed, data_offset, 0);