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Commit 8d9183d6 authored by Julian Wiedmann's avatar Julian Wiedmann Committed by David S. Miller
Browse files

s390/qeth: use ip*_eth_mc_map helpers 



Get rid of some wrapper indirection, and stop accessing the skb at
hard-coded offsets.

Signed-off-by: default avatarJulian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ae695927

drivers/s390/net/qeth_l3_main.c

+14 −29
Original line number Diff line number Diff line
@@ -1328,11 +1328,6 @@ qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd) 
	return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL);

}



static void qeth_l3_get_mac_for_ipm(__be32 ipm, char *mac)

{

	ip_eth_mc_map(ipm, mac);

}



static void qeth_l3_mark_all_mc_to_be_deleted(struct qeth_card *card)

{

	struct qeth_ipaddr *addr;
@@ -1383,13 +1378,11 @@ static void qeth_l3_delete_nonused_mc(struct qeth_card *card) 


}





static void

qeth_l3_add_mc_to_hash(struct qeth_card *card, struct in_device *in4_dev)

{

	struct ip_mc_list *im4;

	struct qeth_ipaddr *tmp, *ipm;

	char buf[MAX_ADDR_LEN];



	QETH_CARD_TEXT(card, 4, "addmc");
@@ -1399,10 +1392,8 @@ qeth_l3_add_mc_to_hash(struct qeth_card *card, struct in_device *in4_dev) 


	for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL;

	     im4 = rcu_dereference(im4->next_rcu)) {

		qeth_l3_get_mac_for_ipm(im4->multiaddr, buf);



		ip_eth_mc_map(im4->multiaddr, tmp->mac);

		tmp->u.a4.addr = be32_to_cpu(im4->multiaddr);

		memcpy(tmp->mac, buf, sizeof(tmp->mac));

		tmp->is_multicast = 1;



		ipm = qeth_l3_ip_from_hash(card, tmp);
@@ -1412,7 +1403,7 @@ qeth_l3_add_mc_to_hash(struct qeth_card *card, struct in_device *in4_dev) 
			ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4);

			if (!ipm)

				continue;

			memcpy(ipm->mac, buf, sizeof(tmp->mac));

			memcpy(ipm->mac, tmp->mac, sizeof(tmp->mac));

			ipm->u.a4.addr = be32_to_cpu(im4->multiaddr);

			ipm->is_multicast = 1;

			ipm->disp_flag = QETH_DISP_ADDR_ADD;
@@ -1473,7 +1464,6 @@ qeth_l3_add_mc6_to_hash(struct qeth_card *card, struct inet6_dev *in6_dev) 
	struct qeth_ipaddr *ipm;

	struct ifmcaddr6 *im6;

	struct qeth_ipaddr *tmp;

	char buf[MAX_ADDR_LEN];



	QETH_CARD_TEXT(card, 4, "addmc6");
@@ -1482,9 +1472,7 @@ qeth_l3_add_mc6_to_hash(struct qeth_card *card, struct inet6_dev *in6_dev) 
		return;



	for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) {

		ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0);



		memcpy(tmp->mac, buf, sizeof(tmp->mac));

		ipv6_eth_mc_map(&im6->mca_addr, tmp->mac);

		memcpy(&tmp->u.a6.addr, &im6->mca_addr.s6_addr,

		       sizeof(struct in6_addr));

		tmp->is_multicast = 1;
@@ -1499,7 +1487,7 @@ qeth_l3_add_mc6_to_hash(struct qeth_card *card, struct inet6_dev *in6_dev) 
		if (!ipm)

			continue;



		memcpy(ipm->mac, buf, OSA_ADDR_LEN);

		memcpy(ipm->mac, tmp->mac, sizeof(tmp->mac));

		memcpy(&ipm->u.a6.addr, &im6->mca_addr.s6_addr,

		       sizeof(struct in6_addr));

		ipm->is_multicast = 1;
@@ -1679,26 +1667,23 @@ static int qeth_l3_vlan_rx_kill_vid(struct net_device *dev, 
static void qeth_l3_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,

				struct qeth_hdr *hdr)

{

	__u16 prot;

	struct iphdr *ip_hdr;

	unsigned char tg_addr[MAX_ADDR_LEN];



	if (!(hdr->hdr.l3.flags & QETH_HDR_PASSTHRU)) {

		prot = (hdr->hdr.l3.flags & QETH_HDR_IPV6) ? ETH_P_IPV6 :

		u16 prot = (hdr->hdr.l3.flags & QETH_HDR_IPV6) ? ETH_P_IPV6 :

								 ETH_P_IP;



		skb_reset_network_header(skb);

		switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK) {

		case QETH_CAST_MULTICAST:

			switch (prot) {

#ifdef CONFIG_QETH_IPV6

			case ETH_P_IPV6:

				ndisc_mc_map((struct in6_addr *)

				     skb->data + 24,

				     tg_addr, card->dev, 0);

				ipv6_eth_mc_map(&ipv6_hdr(skb)->daddr, tg_addr);

				break;

#endif

			case ETH_P_IP:

				ip_hdr = (struct iphdr *)skb->data;

				ip_eth_mc_map(ip_hdr->daddr, tg_addr);

				ip_eth_mc_map(ip_hdr(skb)->daddr, tg_addr);

				break;

			default:

				memcpy(tg_addr, card->dev->broadcast,