From 1d38c2e4941e1add2a89ef7abb22c918bbb3c103 Mon Sep 17 00:00:00 2001 From: Julian Wiedmann Date: Wed, 6 May 2020 10:09:43 +0200 Subject: s390/qeth: extract helpers for next-hop lookup These will be used in a subsequent patch. Signed-off-by: Julian Wiedmann Signed-off-by: David S. Miller --- drivers/s390/net/qeth_l3_main.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) (limited to 'drivers/s390/net/qeth_l3_main.c') diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index fec4ac41e946..1e50aa0297a3 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1694,8 +1694,8 @@ static void qeth_l3_fill_header(struct qeth_qdio_out_q *queue, if (skb->protocol == htons(ETH_P_AF_IUCV)) { l3_hdr->flags = QETH_HDR_IPV6 | QETH_CAST_UNICAST; - l3_hdr->next_hop.ipv6_addr.s6_addr16[0] = htons(0xfe80); - memcpy(&l3_hdr->next_hop.ipv6_addr.s6_addr32[2], + l3_hdr->next_hop.addr.s6_addr16[0] = htons(0xfe80); + memcpy(&l3_hdr->next_hop.addr.s6_addr32[2], iucv_trans_hdr(skb)->destUserID, 8); return; } @@ -1729,18 +1729,10 @@ static void qeth_l3_fill_header(struct qeth_qdio_out_q *queue, l3_hdr->flags |= qeth_l3_cast_type_to_flag(cast_type); if (ipv == 4) { - struct rtable *rt = (struct rtable *) dst; - - *((__be32 *) &hdr->hdr.l3.next_hop.ipv4.addr) = (rt) ? - rt_nexthop(rt, ip_hdr(skb)->daddr) : - ip_hdr(skb)->daddr; + l3_hdr->next_hop.addr.s6_addr32[3] = + qeth_next_hop_v4_rcu(skb, dst); } else if (ipv == 6) { - struct rt6_info *rt = (struct rt6_info *) dst; - - if (rt && !ipv6_addr_any(&rt->rt6i_gateway)) - l3_hdr->next_hop.ipv6_addr = rt->rt6i_gateway; - else - l3_hdr->next_hop.ipv6_addr = ipv6_hdr(skb)->daddr; + l3_hdr->next_hop.addr = *qeth_next_hop_v6_rcu(skb, dst); hdr->hdr.l3.flags |= QETH_HDR_IPV6; if (!IS_IQD(card)) -- cgit v1.2.3-59-g8ed1b