[PATCH] s390 (8/12): qeth layer 2 support.
From: Martin Schwidefsky
Date: Fri Oct 08 2004 - 13:07:13 EST
[PATCH] s390: qeth layer 2 support.
From: Frank Pavlic <pavlic@xxxxxxxxxx>
From: Thomas Spatzier <tspat@xxxxxxxxxx>
qeth network driver changes:
- Add Layer 2 support for OSA-Express.
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
diffstat:
drivers/s390/net/qeth.h | 51 ++-
drivers/s390/net/qeth_main.c | 634 +++++++++++++++++++++++++++++++++++++------
drivers/s390/net/qeth_mpc.h | 39 ++
drivers/s390/net/qeth_sys.c | 93 ++++++
4 files changed, 713 insertions(+), 104 deletions(-)
diff -urN linux-2.6/drivers/s390/net/qeth.h linux-2.6-patched/drivers/s390/net/qeth.h
--- linux-2.6/drivers/s390/net/qeth.h 2004-08-14 12:54:47.000000000 +0200
+++ linux-2.6-patched/drivers/s390/net/qeth.h 2004-10-08 19:19:15.000000000 +0200
@@ -23,7 +23,7 @@
#include "qeth_mpc.h"
-#define VERSION_QETH_H "$Revision: 1.113 $"
+#define VERSION_QETH_H "$Revision: 1.116 $"
#ifdef CONFIG_QETH_IPV6
#define QETH_VERSION_IPV6 ":IPv6"
@@ -43,7 +43,7 @@
#define QETH_DBF_SETUP_LEN 8
#define QETH_DBF_SETUP_INDEX 3
#define QETH_DBF_SETUP_NR_AREAS 1
-#define QETH_DBF_SETUP_LEVEL 3
+#define QETH_DBF_SETUP_LEVEL 5
#define QETH_DBF_MISC_NAME "qeth_misc"
#define QETH_DBF_MISC_LEN 128
@@ -61,13 +61,13 @@
#define QETH_DBF_CONTROL_LEN 256
#define QETH_DBF_CONTROL_INDEX 3
#define QETH_DBF_CONTROL_NR_AREAS 2
-#define QETH_DBF_CONTROL_LEVEL 2
+#define QETH_DBF_CONTROL_LEVEL 5
#define QETH_DBF_TRACE_NAME "qeth_trace"
#define QETH_DBF_TRACE_LEN 8
#define QETH_DBF_TRACE_INDEX 2
#define QETH_DBF_TRACE_NR_AREAS 2
-#define QETH_DBF_TRACE_LEVEL 3
+#define QETH_DBF_TRACE_LEVEL 5
#define QETH_DBF_SENSE_NAME "qeth_sense"
#define QETH_DBF_SENSE_LEN 64
@@ -334,7 +334,7 @@
#define QETH_EXT_HDR_TOKEN_ID 0x02
#define QETH_EXT_HDR_INCLUDE_VLAN_TAG 0x04
-struct qeth_hdr {
+struct qeth_hdr_layer3 {
__u8 id;
__u8 flags;
__u16 inbound_checksum;
@@ -347,6 +347,26 @@
__u8 dest_addr[16];
} __attribute__ ((packed));
+struct qeth_hdr_layer2 {
+ __u8 id;
+ __u8 flags[3];
+ __u8 port_no;
+ __u8 hdr_length;
+ __u16 pkt_length;
+ __u16 seq_no;
+ __u16 vlan_id;
+ __u32 reserved;
+ __u8 reserved2[16];
+} __attribute__ ((packed));
+
+struct qeth_hdr {
+ union {
+ struct qeth_hdr_layer2 l2;
+ struct qeth_hdr_layer3 l3;
+ } hdr;
+} __attribute__ ((packed));
+
+
/* flags for qeth_hdr.flags */
#define QETH_HDR_PASSTHRU 0x10
#define QETH_HDR_IPV6 0x80
@@ -359,6 +379,17 @@
QETH_CAST_NOCAST = 0x00,
};
+enum qeth_layer2_frame_flags {
+ QETH_LAYER2_FLAG_MULTICAST = 0x01,
+ QETH_LAYER2_FLAG_BROADCAST = 0x02,
+ QETH_LAYER2_FLAG_UNICAST = 0x04,
+ QETH_LAYER2_FLAG_VLAN = 0x10,
+};
+
+enum qeth_header_ids {
+ QETH_HEADER_TYPE_LAYER3 = 0x01,
+ QETH_HEADER_TYPE_LAYER2 = 0x02,
+};
/* flags for qeth_hdr.ext_flags */
#define QETH_HDR_EXT_VLAN_FRAME 0x01
#define QETH_HDR_EXT_CSUM_HDR_REQ 0x10
@@ -645,6 +676,7 @@
__u16 func_level;
char mcl_level[QETH_MCL_LENGTH + 1];
int guestlan;
+ int layer2_mac_registered;
int portname_required;
int portno;
char portname[9];
@@ -672,6 +704,7 @@
int fake_broadcast;
int add_hhlen;
int fake_ll;
+ int layer2;
};
/*
@@ -706,6 +739,8 @@
#ifdef CONFIG_QETH_VLAN
spinlock_t vlanlock;
struct vlan_group *vlangrp;
+ __u8 vlans_current[VLAN_GROUP_ARRAY_LEN/(8*sizeof(__u8))];
+ __u8 vlans_new[VLAN_GROUP_ARRAY_LEN/(8*sizeof(__u8))];
#endif
struct work_struct kernel_thread_starter;
spinlock_t thread_mask_lock;
@@ -779,9 +814,11 @@
}
inline static unsigned short
-qeth_get_netdev_flags(int cardtype)
+qeth_get_netdev_flags(struct qeth_card *card)
{
- switch (cardtype) {
+ if (card->options.layer2)
+ return 0;
+ switch (card->info.type) {
case QETH_CARD_TYPE_IQD:
return IFF_NOARP;
#ifdef CONFIG_QETH_IPV6
diff -urN linux-2.6/drivers/s390/net/qeth_main.c linux-2.6-patched/drivers/s390/net/qeth_main.c
--- linux-2.6/drivers/s390/net/qeth_main.c 2004-10-08 19:19:14.000000000 +0200
+++ linux-2.6-patched/drivers/s390/net/qeth_main.c 2004-10-08 19:19:15.000000000 +0200
@@ -29,7 +29,6 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-
/***
* eye catcher; just for debugging purposes
*/
@@ -197,7 +196,7 @@
{
struct qeth_notify_list_struct *n_entry;
- QETH_DBF_TEXT(trace, 2, "notreg");
+
/*check first if entry already exists*/
spin_lock(&qeth_notify_lock);
list_for_each_entry(n_entry, &qeth_notify_list, list) {
@@ -1010,6 +1009,7 @@
card->options.fake_broadcast = 0;
card->options.add_hhlen = DEFAULT_ADD_HHLEN;
card->options.fake_ll = 0;
+ card->options.layer2 = 0;
}
/**
@@ -1815,10 +1815,18 @@
void *reply_param)
{
int rc;
+ char prot_type;
QETH_DBF_TEXT(trace,4,"sendipa");
memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE);
+
+ if (card->options.layer2)
+ prot_type = QETH_PROT_LAYER2;
+ else
+ prot_type = QETH_PROT_TCPIP;
+
+ memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1);
memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data),
&card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH);
@@ -1951,6 +1959,7 @@
qeth_ulp_enable(struct qeth_card *card)
{
int rc;
+ char prot_type;
struct qeth_cmd_buffer *iob;
/*FIXME: trace view callbacks*/
@@ -1961,7 +1970,12 @@
*(QETH_ULP_ENABLE_LINKNUM(iob->data)) =
(__u8) card->info.portno;
+ if (card->options.layer2)
+ prot_type = QETH_PROT_LAYER2;
+ else
+ prot_type = QETH_PROT_TCPIP;
+ memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1);
memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data),
&card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH);
memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data),
@@ -2084,7 +2098,11 @@
*hdr = element->addr + offset;
offset += sizeof(struct qeth_hdr);
- skb_len = (*hdr)->length;
+ if (card->options.layer2)
+ skb_len = (*hdr)->hdr.l2.pkt_length;
+ else
+ skb_len = (*hdr)->hdr.l3.length;
+
if (!skb_len)
return NULL;
if (card->options.fake_ll){
@@ -2134,7 +2152,6 @@
static inline unsigned short
qeth_type_trans(struct sk_buff *skb, struct net_device *dev)
{
- struct ethhdr *eth;
struct qeth_card *card;
QETH_DBF_TEXT(trace,5,"typtrans");
@@ -2145,24 +2162,7 @@
(card->info.link_type == QETH_LINK_TYPE_LANE_TR))
return tr_type_trans(skb,dev);
#endif /* CONFIG_TR */
-
- skb->mac.raw = skb->data;
- skb_pull(skb, ETH_ALEN * 2 + sizeof (short));
- eth = eth_hdr(skb);
-
- if (*eth->h_dest & 1) {
- if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0)
- skb->pkt_type = PACKET_BROADCAST;
- else
- skb->pkt_type = PACKET_MULTICAST;
- } else {
- skb->pkt_type = PACKET_OTHERHOST;
- }
- if (ntohs(eth->h_proto) >= 1536)
- return eth->h_proto;
- if (*(unsigned short *) (skb->data) == 0xFFFF)
- return htons(ETH_P_802_3);
- return htons(ETH_P_802_2);
+ return eth_type_trans(skb,dev);
}
static inline void
@@ -2206,8 +2206,8 @@
memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN);
}
/* the source MAC address */
- if (hdr->ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
- memcpy(fake_hdr->h_source, &hdr->dest_addr[2], ETH_ALEN);
+ if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR)
+ memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN);
else
memset(fake_hdr->h_source, 0, ETH_ALEN);
/* the protocol */
@@ -2221,28 +2221,54 @@
#ifdef CONFIG_QETH_VLAN
u16 *vlan_tag;
- if (hdr->ext_flags & QETH_HDR_EXT_VLAN_FRAME) {
+ if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME) {
vlan_tag = (u16 *) skb_push(skb, VLAN_HLEN);
- *vlan_tag = hdr->vlan_id;
+ *vlan_tag = hdr->hdr.l3.vlan_id;
*(vlan_tag + 1) = skb->protocol;
skb->protocol = __constant_htons(ETH_P_8021Q);
}
#endif /* CONFIG_QETH_VLAN */
}
+static inline __u16
+qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
+ struct qeth_hdr *hdr)
+{
+ __u32 cast_type = 0;
+ __u16 rc = 0;
+
+ cast_type = *(__u32 *) hdr->hdr.l2.flags;
+ if (cast_type & (QETH_LAYER2_FLAG_UNICAST << 8))
+ skb->pkt_type = PACKET_HOST;
+ else if (cast_type & (QETH_LAYER2_FLAG_MULTICAST << 8))
+ skb->pkt_type = PACKET_MULTICAST;
+ else if (cast_type & (QETH_LAYER2_FLAG_BROADCAST << 8))
+ skb->pkt_type = PACKET_BROADCAST;
+ else
+ skb->pkt_type = PACKET_HOST;
+#ifdef CONFIG_QETH_VLAN
+ if (cast_type & (QETH_LAYER2_FLAG_VLAN << 8)) {
+ rc = hdr->hdr.l2.vlan_id;
+ skb_pull(skb, VLAN_HLEN);
+ }
+#endif
+ skb->protocol = qeth_type_trans(skb, card->dev);
+ return rc;
+}
+
static inline void
qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
struct qeth_hdr *hdr)
{
#ifdef CONFIG_QETH_IPV6
- if (hdr->flags & QETH_HDR_PASSTHRU){
+ if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU){
skb->protocol = qeth_type_trans(skb, card->dev);
return;
}
#endif /* CONFIG_QETH_IPV6 */
- skb->protocol = htons((hdr->flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
+ skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 :
ETH_P_IP);
- switch (hdr->flags & QETH_HDR_CAST_MASK){
+ switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){
case QETH_CAST_UNICAST:
skb->pkt_type = PACKET_HOST;
break;
@@ -2259,13 +2285,14 @@
default:
skb->pkt_type = PACKET_HOST;
}
+ qeth_rebuild_skb_vlan(card, skb, hdr);
if (card->options.fake_ll)
qeth_rebuild_skb_fake_ll(card, skb, hdr);
else
skb->mac.raw = skb->data;
skb->ip_summed = card->options.checksum_type;
if (card->options.checksum_type == HW_CHECKSUMMING){
- if ( (hdr->ext_flags &
+ if ( (hdr->hdr.l3.ext_flags &
(QETH_HDR_EXT_CSUM_HDR_REQ |
QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
(QETH_HDR_EXT_CSUM_HDR_REQ |
@@ -2274,7 +2301,6 @@
else
skb->ip_summed = SW_CHECKSUMMING;
}
- qeth_rebuild_skb_vlan(card, skb, hdr);
}
static inline void
@@ -2282,10 +2308,11 @@
struct qeth_qdio_buffer *buf, int index)
{
struct qdio_buffer_element *element;
- int offset;
struct sk_buff *skb;
struct qeth_hdr *hdr;
+ int offset;
int rxrc;
+ __u16 vlan_tag = 0;
/* get first element of current buffer */
element = (struct qdio_buffer_element *)&buf->buffer->element[0];
@@ -2294,15 +2321,23 @@
card->perf_stats.bufs_rec++;
#endif
while((skb = qeth_get_next_skb(card, buf->buffer, &element,
- &offset, &hdr))){
- qeth_rebuild_skb(card, skb, hdr);
+ &offset, &hdr))) {
+ if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2)
+ vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr);
+ else
+ qeth_rebuild_skb(card, skb, hdr);
/* is device UP ? */
if (!(card->dev->flags & IFF_UP)){
dev_kfree_skb_any(skb);
continue;
}
skb->dev = card->dev;
- rxrc = netif_rx(skb);
+#ifdef CONFIG_QETH_VLAN
+ if (vlan_tag)
+ vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag);
+ else
+#endif
+ rxrc = netif_rx(skb);
card->dev->last_rx = jiffies;
card->stats.rx_packets++;
card->stats.rx_bytes += skb->len;
@@ -3442,6 +3477,11 @@
if (card->state != CARD_STATE_SOFTSETUP)
return -ENODEV;
+ if ( (card->options.layer2) &&
+ (!card->info.layer2_mac_registered)) {
+ QETH_DBF_TEXT(trace,4,"nomacadr");
+ return -EPERM;
+ }
card->dev->flags |= IFF_UP;
netif_start_queue(dev);
card->data.state = CH_STATE_UP;
@@ -3491,12 +3531,12 @@
else if (skb->protocol == ETH_P_IP)
return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0;
/* ... */
- if (!memcmp(skb->nh.raw, skb->dev->broadcast, 6))
+ if (!memcmp(skb->data, skb->dev->broadcast, 6))
return RTN_BROADCAST;
else {
u16 hdr_mac;
- hdr_mac = *((u16 *)skb->nh.raw);
+ hdr_mac = *((u16 *)skb->data);
/* tr multicast? */
switch (card->info.link_type) {
case QETH_LINK_TYPE_HSTR:
@@ -3642,50 +3682,120 @@
}
static inline void
+qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr,
+ struct sk_buff *skb)
+{
+ __u16 hdr_mac;
+
+ if (!memcmp(skb->data+QETH_HEADER_SIZE,
+ skb->dev->broadcast,6)) { /* broadcast? */
+ *(__u32 *)hdr->hdr.l2.flags |=
+ QETH_LAYER2_FLAG_BROADCAST << 8;
+ return;
+ }
+ hdr_mac=*((__u16*)skb->data);
+ /* tr multicast? */
+ switch (card->info.link_type) {
+ case QETH_LINK_TYPE_HSTR:
+ case QETH_LINK_TYPE_LANE_TR:
+ if ((hdr_mac == QETH_TR_MAC_NC) ||
+ (hdr_mac == QETH_TR_MAC_C) )
+ *(__u32 *)hdr->hdr.l2.flags |=
+ QETH_LAYER2_FLAG_MULTICAST << 8;
+ else
+ *(__u32 *)hdr->hdr.l2.flags |=
+ QETH_LAYER2_FLAG_UNICAST << 8;
+ break;
+ /* eth or so multicast? */
+ default:
+ if ( (hdr_mac==QETH_ETH_MAC_V4) ||
+ (hdr_mac==QETH_ETH_MAC_V6) )
+ *(__u32 *)hdr->hdr.l2.flags |=
+ QETH_LAYER2_FLAG_MULTICAST << 8;
+ else
+ *(__u32 *)hdr->hdr.l2.flags |=
+ QETH_LAYER2_FLAG_UNICAST << 8;
+ }
+}
+
+static inline void
+qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
+ struct sk_buff *skb, int cast_type)
+{
+ memset(hdr, 0, sizeof(struct qeth_hdr));
+ hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
+
+ /* set byte 0 to "0x02" and byte 3 to casting flags */
+ if (cast_type==RTN_MULTICAST)
+ *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8;
+ else if (cast_type==RTN_BROADCAST)
+ *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8;
+ else
+ qeth_layer2_get_packet_type(card, hdr, skb);
+
+ hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
+#ifdef QETH_VLAN
+ /* VSWITCH relies on the VLAN
+ * information to be present in
+ * the QDIO header */
+ if ((card->vlangrp != NULL) &&
+ vlan_tx_tag_present(skb)) {
+ *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8;
+ hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb);
+ }
+#endif
+}
+
+static inline void
qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
struct sk_buff *skb, int ipv, int cast_type)
{
- hdr->id = 1;
- hdr->ext_flags = 0;
-
QETH_DBF_TEXT(trace, 6, "fillhdr");
+
+ if (card->options.layer2) {
+ qeth_layer2_fill_header(card, hdr, skb, cast_type);
+ return;
+ }
+ hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
+ hdr->hdr.l3.ext_flags = 0;
#ifdef CONFIG_QETH_VLAN
/*
* before we're going to overwrite this location with next hop ip.
* v6 uses passthrough, v4 sets the tag in the QDIO header.
*/
if (card->vlangrp && vlan_tx_tag_present(skb)) {
- hdr->ext_flags = (ipv == 4)? QETH_EXT_HDR_VLAN_FRAME :
- QETH_EXT_HDR_INCLUDE_VLAN_TAG;
- hdr->vlan_id = vlan_tx_tag_get(skb);
+ hdr->hdr.l3.ext_flags = (ipv == 4) ?
+ QETH_EXT_HDR_VLAN_FRAME :
+ QETH_EXT_HDR_INCLUDE_VLAN_TAG;
+ hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb);
}
#endif /* CONFIG_QETH_VLAN */
- hdr->length = skb->len - sizeof(struct qeth_hdr);
+ hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
if (ipv == 4) { /* IPv4 */
- hdr->flags = qeth_get_qeth_hdr_flags4(cast_type);
- memset(hdr->dest_addr, 0, 12);
+ hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type);
+ memset(hdr->hdr.l3.dest_addr, 0, 12);
if ((skb->dst) && (skb->dst->neighbour)) {
- *((u32 *) (&hdr->dest_addr[12])) =
+ *((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
*((u32 *) skb->dst->neighbour->primary_key);
} else {
/* fill in destination address used in ip header */
- *((u32 *) (&hdr->dest_addr[12])) = skb->nh.iph->daddr;
+ *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = skb->nh.iph->daddr;
}
} else if (ipv == 6) { /* IPv6 or passthru */
- hdr->flags = qeth_get_qeth_hdr_flags6(cast_type);
+ hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type);
if ((skb->dst) && (skb->dst->neighbour)) {
- memcpy(hdr->dest_addr,
+ memcpy(hdr->hdr.l3.dest_addr,
skb->dst->neighbour->primary_key, 16);
} else {
/* fill in destination address used in ip header */
- memcpy(hdr->dest_addr, &skb->nh.ipv6h->daddr, 16);
+ memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16);
}
} else { /* passthrough */
if (!memcmp(skb->data + sizeof(struct qeth_hdr),
skb->dev->broadcast, 6)) { /* broadcast? */
- hdr->flags = QETH_CAST_BROADCAST | QETH_HDR_PASSTHRU;
+ hdr->hdr.l3.flags = QETH_CAST_BROADCAST | QETH_HDR_PASSTHRU;
} else {
- hdr->flags = (cast_type == RTN_MULTICAST) ?
+ hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ?
QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU :
QETH_CAST_UNICAST | QETH_HDR_PASSTHRU;
}
@@ -3874,7 +3984,7 @@
static inline int
qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
{
- int ipv;
+ int ipv = 0;
int cast_type;
struct qeth_qdio_out_q *queue;
struct qeth_hdr *hdr;
@@ -3883,7 +3993,8 @@
QETH_DBF_TEXT(trace, 6, "sendpkt");
- ipv = qeth_get_ip_version(skb);
+ if (!card->options.layer2)
+ ipv = qeth_get_ip_version(skb);
cast_type = qeth_get_cast_type(card, skb);
queue = card->qdio.out_qs
[qeth_get_priority_queue(card, skb, ipv, cast_type)];
@@ -4226,8 +4337,8 @@
* funcs flags); since all zeros is no valueable information,
* we say EOPNOTSUPP for all ARP functions
*/
- if (card->info.guestlan)
- return -EOPNOTSUPP;
+ /*if (card->info.guestlan)
+ return -EOPNOTSUPP; */
if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/
IPA_ARP_PROCESSING)) {
PRINT_WARN("ARP processing not supported "
@@ -4555,21 +4666,24 @@
switch (cmd){
case SIOC_QETH_ARP_SET_NO_ENTRIES:
- if (!capable(CAP_NET_ADMIN)){
+ if ( !capable(CAP_NET_ADMIN) ||
+ (card->options.layer2) ) {
rc = -EPERM;
break;
}
rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue);
break;
case SIOC_QETH_ARP_QUERY_INFO:
- if (!capable(CAP_NET_ADMIN)){
+ if ( !capable(CAP_NET_ADMIN) ||
+ (card->options.layer2) ) {
rc = -EPERM;
break;
}
rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data);
break;
case SIOC_QETH_ARP_ADD_ENTRY:
- if (!capable(CAP_NET_ADMIN)){
+ if ( !capable(CAP_NET_ADMIN) ||
+ (card->options.layer2) ) {
rc = -EPERM;
break;
}
@@ -4580,7 +4694,8 @@
rc = qeth_arp_add_entry(card, &arp_entry);
break;
case SIOC_QETH_ARP_REMOVE_ENTRY:
- if (!capable(CAP_NET_ADMIN)){
+ if ( !capable(CAP_NET_ADMIN) ||
+ (card->options.layer2) ) {
rc = -EPERM;
break;
}
@@ -4591,7 +4706,8 @@
rc = qeth_arp_remove_entry(card, &arp_entry);
break;
case SIOC_QETH_ARP_FLUSH_CACHE:
- if (!capable(CAP_NET_ADMIN)){
+ if ( !capable(CAP_NET_ADMIN) ||
+ (card->options.layer2) ) {
rc = -EPERM;
break;
}
@@ -4677,6 +4793,7 @@
}
#ifdef CONFIG_QETH_VLAN
+static void qeth_layer2_process_vlans(struct qeth_card *);
static void
qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
{
@@ -4689,6 +4806,8 @@
spin_lock_irqsave(&card->vlanlock, flags);
card->vlangrp = grp;
spin_unlock_irqrestore(&card->vlanlock, flags);
+ if (card->options.layer2)
+ qeth_layer2_process_vlans(card);
}
static inline void
@@ -4741,7 +4860,7 @@
in_dev = __in_dev_get(card->vlangrp->vlan_devices[vid]);
if (!in_dev)
goto out;
- for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next){
+ for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
if (addr){
addr->u.a4.addr = ifa->ifa_address;
@@ -4800,6 +4919,8 @@
if (card->vlangrp)
card->vlangrp->vlan_devices[vid] = NULL;
spin_unlock_irqrestore(&card->vlanlock, flags);
+ if (card->options.layer2)
+ qeth_layer2_process_vlans(card);
if ( (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) ||
(qeth_set_thread_start_bit(card, QETH_SET_MC_THREAD) == 0) )
schedule_work(&card->kernel_thread_starter);
@@ -4912,8 +5033,9 @@
int i;
QETH_DBF_TEXT(trace,4,"addmcvl");
- if (!qeth_is_supported(card,IPA_FULL_VLAN) ||
- (card->vlangrp == NULL))
+ if ( ((card->options.layer2 == 0) &&
+ (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
+ (card->vlangrp == NULL) )
return ;
vg = card->vlangrp;
@@ -4980,8 +5102,9 @@
int i;
QETH_DBF_TEXT(trace,4,"admc6vl");
- if (!qeth_is_supported(card,IPA_FULL_VLAN) ||
- (card->vlangrp == NULL))
+ if ( ((card->options.layer2 == 0) &&
+ (!qeth_is_supported(card,IPA_FULL_VLAN))) ||
+ (card->vlangrp == NULL))
return ;
vg = card->vlangrp;
@@ -5020,6 +5143,73 @@
}
#endif /* CONFIG_QETH_IPV6 */
+static int
+qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac,
+ enum qeth_ipa_cmds ipacmd)
+{
+ struct qeth_ipa_cmd *cmd;
+ struct qeth_cmd_buffer *iob;
+
+ QETH_DBF_TEXT(trace, 2, "L2sdmac");
+ iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
+ cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
+ cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
+ memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
+ return qeth_send_ipa_cmd(card, iob, NULL, NULL);
+}
+
+
+static int
+qeth_layer2_set_mac_address(struct net_device *dev, void *p)
+{
+ struct sockaddr *addr = p;
+ struct qeth_card *card;
+ int rc = 0;
+
+ QETH_DBF_TEXT(trace, 3, "setmac");
+
+ if (qeth_verify_dev(dev) != QETH_REAL_CARD) {
+ QETH_DBF_TEXT(trace, 3, "setmcINV");
+ return -EOPNOTSUPP;
+ }
+ card = (struct qeth_card *) dev->priv;
+
+ if (!card->options.layer2) {
+ PRINT_WARN("Setting MAC address on %s is not supported"
+ "in Layer 3 mode.\n", dev->name);
+ QETH_DBF_TEXT(trace, 3, "setmcLY3");
+ return -EOPNOTSUPP;
+ }
+ QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card));
+ QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN);
+ if (card->info.layer2_mac_registered)
+ rc = qeth_layer2_send_setdelmac(card, &card->dev->dev_addr[0],
+ IPA_CMD_DELVMAC);
+ if (rc) {
+ PRINT_WARN("Error in deregistering MAC address on " \
+ "device %s: x%x\n", CARD_BUS_ID(card), rc);
+ QETH_DBF_TEXT_(trace, 2, "err%d", rc);
+ return -EIO;
+ }
+ card->info.layer2_mac_registered = 0;
+
+ rc = qeth_layer2_send_setdelmac(card, addr->sa_data, IPA_CMD_SETVMAC);
+ if (rc) {
+ PRINT_WARN("Error in registering MAC address on " \
+ "device %s: x%x\n", CARD_BUS_ID(card), rc);
+ QETH_DBF_TEXT_(trace, 2, "2err%d", rc);
+ return -EIO;
+ }
+ card->info.layer2_mac_registered = 1;
+ memcpy(dev->dev_addr, addr->sa_data, OSA_ADDR_LEN);
+ PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x "
+ "successfully registered on device %s\n",
+ dev->dev_addr[0],dev->dev_addr[1],dev->dev_addr[2],
+ dev->dev_addr[3],dev->dev_addr[4],dev->dev_addr[5],
+ dev->name);
+
+ return rc;
+}
/**
* set multicast address on card
*/
@@ -5045,7 +5235,10 @@
cmd->hdr.seqno = card->seqno.ipa;
cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type);
cmd->hdr.rel_adapter_no = (__u8) card->info.portno;
- cmd->hdr.prim_version_no = 1;
+ if (card->options.layer2)
+ cmd->hdr.prim_version_no = 2;
+ else
+ cmd->hdr.prim_version_no = 1;
cmd->hdr.param_count = 1;
cmd->hdr.prot_version = prot;
cmd->hdr.ipa_supported = 0;
@@ -5135,8 +5328,141 @@
return rc;
}
+#ifdef CONFIG_QETH_VLAN
+/* ATT: not a very readable order: bytes count from lower numbers, bits
+ count from lsb */
+static void
+qeth_layer2_set_bit(__u8 *ptr,int i)
+{
+ ptr[i/8]|=0x80>>(i%8);
+}
+
static int
-qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
+qeth_layer2_get_bit(__u8 *ptr,int i)
+{
+ return (ptr[i/8]&(0x80>>(i%8)))?1:0;
+}
+
+static void
+qeth_layer2_takeover_vlans(struct qeth_card *card)
+{
+ int i;
+
+ QETH_DBF_TEXT(trace, 3, "L2tkvlan");
+ /* copy new to current */
+ memcpy(&card->vlans_current[0],
+ &card->vlans_new[0],
+ VLAN_GROUP_ARRAY_LEN/(8*sizeof(__u8)));
+
+ /* clear new vector */
+ memset(&card->vlans_new[0], 0,
+ VLAN_GROUP_ARRAY_LEN/(8*sizeof(__u8)));
+
+ for (i=0; i<VLAN_GROUP_ARRAY_LEN; i++) {
+ if ( (card->vlangrp) &&
+ (card->vlangrp->vlan_devices[i]) )
+ qeth_layer2_set_bit(&card->vlans_new[0], i);
+ }
+}
+
+static void
+qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i,
+ enum qeth_ipa_cmds ipacmd)
+{
+ int rc;
+ struct qeth_ipa_cmd *cmd;
+ struct qeth_cmd_buffer *iob;
+
+ QETH_DBF_TEXT(trace, 4, "L2sdvlan");
+ iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
+ cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
+ cmd->data.setdelvlan.vlan_id = i;
+
+ rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
+ if (rc) {
+ PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. "
+ "Continuing\n",i, card->info.if_name, rc);
+ QETH_DBF_TEXT_(trace, 2, "L2VL%4x", ipacmd);
+ QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card));
+ QETH_DBF_TEXT_(trace, 2, "err%d", rc);
+ }
+}
+
+static void
+qeth_layer2_register_vlans(struct qeth_card *card)
+{
+ __u16 i;
+
+ QETH_DBF_TEXT(trace, 3, "L2regvln");
+ for (i=0; i<VLAN_GROUP_ARRAY_LEN; i++) {
+ if ( (qeth_layer2_get_bit(&card->vlans_current[0], i)) &&
+ (!qeth_layer2_get_bit(&card->vlans_new[0], i)) )
+ qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN);
+ if ( (!qeth_layer2_get_bit(&card->vlans_current[0], i)) &&
+ (qeth_layer2_get_bit(&card->vlans_new[0], i)) )
+ qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN);
+ }
+}
+
+static void
+qeth_layer2_process_vlans(struct qeth_card *card)
+{
+ QETH_DBF_TEXT(trace, 2, "L2provln");
+
+ qeth_layer2_takeover_vlans(card);
+ qeth_layer2_register_vlans(card);
+}
+
+#endif
+
+static int
+qeth_layer2_register_addr_entry(struct qeth_card *card,
+ struct qeth_ipaddr *addr)
+{
+ int rc = 0;
+
+ if (!addr->is_multicast)
+ return 0;
+
+ QETH_DBF_TEXT(trace, 2, "setgmac");
+ QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
+ rc = qeth_layer2_send_setdelmac(card, &addr->mac[0],
+ IPA_CMD_SETGMAC);
+ if (rc)
+ PRINT_ERR("Could not set group MAC " \
+ "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
+ addr->mac[0],addr->mac[1],addr->mac[2],
+ addr->mac[3],addr->mac[4],addr->mac[5],
+ card->info.if_name,rc);
+ return rc;
+}
+
+static int
+qeth_layer2_deregister_addr_entry(struct qeth_card *card,
+ struct qeth_ipaddr *addr)
+{
+ int rc = 0;
+
+ if (!addr->is_multicast)
+ return 0;
+
+ QETH_DBF_TEXT(trace, 2, "delgmac");
+ QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN);
+ rc = qeth_layer2_send_setdelmac(card, &addr->mac[0],
+ IPA_CMD_DELGMAC);
+ if (rc)
+ PRINT_ERR("Could not delete group MAC " \
+ "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n",
+ addr->mac[0],addr->mac[1],addr->mac[2],
+ addr->mac[3],addr->mac[4],addr->mac[5],
+ card->info.if_name,rc);
+ return rc;
+
+}
+
+static int
+qeth_layer3_register_addr_entry(struct qeth_card *card,
+ struct qeth_ipaddr *addr)
{
//char buf[50];
int rc;
@@ -5175,7 +5501,8 @@
}
static int
-qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
+qeth_layer3_deregister_addr_entry(struct qeth_card *card,
+ struct qeth_ipaddr *addr)
{
//char buf[50];
int rc;
@@ -5209,6 +5536,24 @@
}
static int
+qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
+{
+ if (card->options.layer2)
+ return qeth_layer2_register_addr_entry(card, addr);
+
+ return qeth_layer3_register_addr_entry(card, addr);
+}
+
+static int
+qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr)
+{
+ if (card->options.layer2)
+ return qeth_layer2_deregister_addr_entry(card, addr);
+
+ return qeth_layer3_deregister_addr_entry(card, addr);
+}
+
+static int
qeth_netdev_init(struct net_device *dev)
{
struct qeth_card *card;
@@ -5231,7 +5576,7 @@
dev->vlan_rx_register = qeth_vlan_rx_register;
dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
#endif
- if (qeth_get_netdev_flags(card->info.type) & IFF_NOARP) {
+ if (qeth_get_netdev_flags(card) & IFF_NOARP) {
dev->rebuild_header = NULL;
dev->hard_header = NULL;
dev->header_cache_update = NULL;
@@ -5246,8 +5591,8 @@
#endif
dev->hard_header_parse = NULL;
- dev->set_mac_address = NULL;
- dev->flags |= qeth_get_netdev_flags(card->info.type);
+ dev->set_mac_address = qeth_layer2_set_mac_address;
+ dev->flags |= qeth_get_netdev_flags(card);
if ((card->options.fake_broadcast) ||
(card->info.broadcast_capable))
dev->flags |= IFF_BROADCAST;
@@ -5560,6 +5905,37 @@
return rc;
}
+static int
+qeth_layer2_initialize(struct qeth_card *card)
+{
+ int rc = 0;
+
+
+ QETH_DBF_TEXT(setup, 2, "doL2init");
+ QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card));
+
+ rc = qeth_setadpparms_change_macaddr(card);
+ if (rc) {
+ PRINT_WARN("couldn't get MAC address on "
+ "device %s: x%x\n",
+ CARD_BUS_ID(card), rc);
+ QETH_DBF_TEXT_(setup, 2,"1err%d",rc);
+ return rc;
+ }
+ QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN);
+
+ rc = qeth_layer2_send_setdelmac(card, &card->dev->dev_addr[0],
+ IPA_CMD_SETVMAC);
+ if (rc) {
+ card->info.layer2_mac_registered = 0;
+ PRINT_WARN("Error in processing MAC address on " \
+ "device %s: x%x\n",CARD_BUS_ID(card),rc);
+ QETH_DBF_TEXT_(setup, 2,"2err%d",rc);
+ } else
+ card->info.layer2_mac_registered = 1;
+ return 0;
+}
+
static int
qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd,
@@ -5629,6 +6005,10 @@
struct qeth_cmd_buffer *iob;
QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot);
+ if (card->options.layer2) {
+ QETH_DBF_TEXT(setup, 2, "noprmly2");
+ return -EPERM;
+ }
iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot);
rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL);
@@ -6177,6 +6557,21 @@
return rc;
} else
card->lan_online = 1;
+ if (card->options.layer2) {
+ card->dev->features |=
+ NETIF_F_HW_VLAN_TX |
+ NETIF_F_HW_VLAN_RX;
+ card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST;
+ card->info.broadcast_capable=1;
+ if ((rc = qeth_layer2_initialize(card))) {
+ QETH_DBF_TEXT_(setup, 2, "L2err%d", rc);
+ return rc;
+ }
+#ifdef CONFIG_QETH_VLAN
+ qeth_layer2_process_vlans(card);
+#endif
+ goto out;
+ }
if ((rc = qeth_setadapter_parms(card)))
QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
if ((rc = qeth_start_ipassists(card)))
@@ -6185,6 +6580,7 @@
QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
if ((rc = qeth_setrouting_v6(card)))
QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
+out:
netif_stop_queue(card->dev);
return 0;
}
@@ -6330,9 +6726,14 @@
rtnl_lock();
dev_close(card->dev);
rtnl_unlock();
- if (!card->use_hard_stop)
+ if (!card->use_hard_stop) {
+ __u8 *mac = &card->dev->dev_addr[0];
+ if ((rc = qeth_layer2_send_setdelmac(card, mac,
+ IPA_CMD_DELVMAC)));
+ QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc);
if ((rc = qeth_send_stoplan(card)))
QETH_DBF_TEXT_(setup, 2, "1err%d", rc);
+ }
card->state = CARD_STATE_SOFTSETUP;
}
if (card->state == CARD_STATE_SOFTSETUP) {
@@ -6341,7 +6742,8 @@
card->state = CARD_STATE_HARDSETUP;
}
if (card->state == CARD_STATE_HARDSETUP) {
- if (!card->use_hard_stop)
+ if ((!card->use_hard_stop) &&
+ (!card->options.layer2))
if ((rc = qeth_put_unique_id(card)))
QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
qeth_qdio_clear_card(card, 0);
@@ -6507,6 +6909,57 @@
schedule_work(&card->kernel_thread_starter);
}
+
+/* Layer 2 specific stuff */
+#define IGNORE_PARAM_EQ(option,value,reset_value,msg) \
+ if (card->options.option == value) { \
+ PRINT_ERR("%s not supported with layer 2 " \
+ "functionality, ignoring option on read" \
+ "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
+ card->options.option = reset_value; \
+ }
+#define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \
+ if (card->options.option != value) { \
+ PRINT_ERR("%s not supported with layer 2 " \
+ "functionality, ignoring option on read" \
+ "channel device %s .\n",msg,CARD_RDEV_ID(card)); \
+ card->options.option = reset_value; \
+ }
+
+
+static void qeth_make_parameters_consistent(struct qeth_card *card)
+{
+
+ if (card->options.layer2) {
+ if (card->info.type == QETH_CARD_TYPE_IQD) {
+ PRINT_ERR("Device %s does not support " \
+ "layer 2 functionality. " \
+ "Ignoring layer2 option.\n",CARD_BUS_ID(card));
+ }
+ IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER,
+ "Routing options are");
+#ifdef CONFIG_QETH_IPV6
+ IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER,
+ "Routing options are");
+#endif
+ IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING,
+ QETH_CHECKSUM_DEFAULT,
+ "Checksumming options are");
+ IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS,
+ QETH_TR_BROADCAST_ALLRINGS,
+ "Broadcast mode options are");
+ IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL,
+ QETH_TR_MACADDR_NONCANONICAL,
+ "Canonical MAC addr options are");
+ IGNORE_PARAM_NEQ(fake_broadcast, 0, 0,
+ "Broadcast faking options are");
+ IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN,
+ DEFAULT_ADD_HHLEN,"Option add_hhlen is");
+ IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is");
+ }
+}
+
+
static int
qeth_set_online(struct ccwgroup_device *gdev)
{
@@ -6533,35 +6986,35 @@
return -EIO;
}
+ if (card->options.layer2)
+ qeth_make_parameters_consistent(card);
+
if ((rc = qeth_hardsetup_card(card))){
QETH_DBF_TEXT_(setup, 2, "2err%d", rc);
goto out_remove;
}
card->state = CARD_STATE_HARDSETUP;
- if ((rc = qeth_query_ipassists(card,QETH_PROT_IPV4))){
- QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
- /*TODO: rc !=0*/
- } else
+ if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4)))
rc = qeth_get_unique_id(card);
- if (rc) {
- QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
+ if (rc && card->options.layer2 == 0) {
+ QETH_DBF_TEXT_(setup, 2, "3err%d", rc);
goto out_remove;
}
qeth_print_status_message(card);
if ((rc = qeth_register_netdev(card))){
- QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
+ QETH_DBF_TEXT_(setup, 2, "4err%d", rc);
goto out_remove;
}
if ((rc = qeth_softsetup_card(card))){
- QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
+ QETH_DBF_TEXT_(setup, 2, "5err%d", rc);
goto out_remove;
}
card->state = CARD_STATE_SOFTSETUP;
if ((rc = qeth_init_qdio_queues(card))){
- QETH_DBF_TEXT_(setup, 2, "7err%d", rc);
+ QETH_DBF_TEXT_(setup, 2, "6err%d", rc);
goto out_remove;
}
/*maybe it was set offline without ifconfig down
@@ -6714,10 +7167,13 @@
struct net_device *dev = neigh->dev;
struct in_device *in_dev;
struct neigh_parms *parms;
+ struct qeth_card *card;
- if (!qeth_verify_dev(dev)) {
- return qeth_old_arp_constructor(neigh);
- }
+ card = qeth_get_card_from_dev(dev);
+ if (card == NULL)
+ goto out;
+ if(card->options.layer2)
+ goto out;
rcu_read_lock();
in_dev = rcu_dereference(__in_dev_get(dev));
@@ -6736,6 +7192,8 @@
neigh->ops = arp_direct_ops;
neigh->output = neigh->ops->queue_xmit;
return 0;
+out:
+ return qeth_old_arp_constructor(neigh);
}
#endif /*CONFIG_QETH_IPV6*/
@@ -7019,6 +7477,8 @@
card = qeth_get_card_from_dev(dev);
if (!card)
return NOTIFY_DONE;
+ if (card->options.layer2)
+ return NOTIFY_DONE;
addr = qeth_get_addr_buffer(QETH_PROT_IPV4);
if (addr != NULL) {
diff -urN linux-2.6/drivers/s390/net/qeth_mpc.h linux-2.6-patched/drivers/s390/net/qeth_mpc.h
--- linux-2.6/drivers/s390/net/qeth_mpc.h 2004-08-14 12:55:32.000000000 +0200
+++ linux-2.6-patched/drivers/s390/net/qeth_mpc.h 2004-10-08 19:19:15.000000000 +0200
@@ -14,7 +14,7 @@
#include <asm/qeth.h>
-#define VERSION_QETH_MPC_H "$Revision: 1.36 $"
+#define VERSION_QETH_MPC_H "$Revision: 1.38 $"
extern const char *VERSION_QETH_MPC_C;
@@ -105,6 +105,12 @@
enum qeth_ipa_cmds {
IPA_CMD_STARTLAN = 0x01,
IPA_CMD_STOPLAN = 0x02,
+ IPA_CMD_SETVMAC = 0x21,
+ IPA_CMD_DELVMAC = 0x22,
+ IPA_CMD_SETGMAC = 0x23,
+ IPA_CMD_DELGMAC = 0x24,
+ IPA_CMD_SETVLAN = 0x25,
+ IPA_CMD_DELVLAN = 0x26,
IPA_CMD_SETIP = 0xb1,
IPA_CMD_DELIP = 0xb7,
IPA_CMD_QIPASSIST = 0xb2,
@@ -239,6 +245,16 @@
__u8 ip4[4];
} __attribute__ ((packed));
+struct qeth_ipacmd_layer2setdelmac {
+ __u32 mac_length;
+ __u8 mac[6];
+} __attribute__ ((packed));
+
+struct qeth_ipacmd_layer2setdelvlan {
+ __u16 vlan_id;
+} __attribute__ ((packed));
+
+
struct qeth_ipacmd_setassparms_hdr {
__u32 assist_no;
__u16 length;
@@ -381,13 +397,15 @@
struct qeth_ipa_cmd {
struct qeth_ipacmd_hdr hdr;
union {
- struct qeth_ipacmd_setdelip4 setdelip4;
- struct qeth_ipacmd_setdelip6 setdelip6;
- struct qeth_ipacmd_setdelipm setdelipm;
- struct qeth_ipacmd_setassparms setassparms;
- struct qeth_create_destroy_address create_destroy_addr;
- struct qeth_ipacmd_setadpparms setadapterparms;
- struct qeth_set_routing setrtg;
+ struct qeth_ipacmd_setdelip4 setdelip4;
+ struct qeth_ipacmd_setdelip6 setdelip6;
+ struct qeth_ipacmd_setdelipm setdelipm;
+ struct qeth_ipacmd_setassparms setassparms;
+ struct qeth_ipacmd_layer2setdelmac setdelmac;
+ struct qeth_ipacmd_layer2setdelvlan setdelvlan;
+ struct qeth_create_destroy_address create_destroy_addr;
+ struct qeth_ipacmd_setadpparms setadapterparms;
+ struct qeth_set_routing setrtg;
} data;
} __attribute__ ((packed));
@@ -459,6 +477,11 @@
(PDU_ENCAPSULATION(buffer) + 0x17)
#define QETH_ULP_ENABLE_RESP_LINK_TYPE(buffer) \
(PDU_ENCAPSULATION(buffer)+ 0x2b)
+/* Layer 2 defintions */
+#define QETH_PROT_LAYER2 0x08
+#define QETH_PROT_TCPIP 0x03
+#define QETH_ULP_ENABLE_PROT_TYPE(buffer) (buffer+0x50)
+#define QETH_IPA_CMD_PROT_TYPE(buffer) (buffer+0x19)
extern unsigned char ULP_SETUP[];
#define ULP_SETUP_SIZE 0x6c
diff -urN linux-2.6/drivers/s390/net/qeth_sys.c linux-2.6-patched/drivers/s390/net/qeth_sys.c
--- linux-2.6/drivers/s390/net/qeth_sys.c 2004-08-14 12:55:33.000000000 +0200
+++ linux-2.6-patched/drivers/s390/net/qeth_sys.c 2004-10-08 19:19:15.000000000 +0200
@@ -1,6 +1,6 @@
/*
*
- * linux/drivers/s390/net/qeth_sys.c ($Revision: 1.33 $)
+ * linux/drivers/s390/net/qeth_sys.c ($Revision: 1.35 $)
*
* Linux on zSeries OSA Express and HiperSockets support
* This file contains code related to sysfs.
@@ -20,7 +20,7 @@
#include "qeth_mpc.h"
#include "qeth_fs.h"
-const char *VERSION_QETH_SYS_C = "$Revision: 1.33 $";
+const char *VERSION_QETH_SYS_C = "$Revision: 1.35 $";
/*****************************************************************************/
/* */
@@ -694,6 +694,44 @@
static DEVICE_ATTR(canonical_macaddr, 0644, qeth_dev_canonical_macaddr_show,
qeth_dev_canonical_macaddr_store);
+static ssize_t
+qeth_dev_layer2_show(struct device *dev, char *buf)
+{
+ struct qeth_card *card = dev->driver_data;
+
+ if (!card)
+ return -EINVAL;
+
+ return sprintf(buf, "%i\n", card->options.layer2 ? 1:0);
+}
+
+static ssize_t
+qeth_dev_layer2_store(struct device *dev, const char *buf, size_t count)
+{
+ struct qeth_card *card = dev->driver_data;
+ char *tmp;
+ int i;
+
+ if (!card)
+ return -EINVAL;
+
+ if ((card->state != CARD_STATE_DOWN) &&
+ (card->state != CARD_STATE_RECOVER))
+ return -EPERM;
+
+ i = simple_strtoul(buf, &tmp, 16);
+ if ((i == 0) || (i == 1))
+ card->options.layer2 = i;
+ else {
+ PRINT_WARN("layer2: write 0 or 1 to this file!\n");
+ return -EINVAL;
+ }
+ return count;
+}
+
+static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
+ qeth_dev_layer2_store);
+
static struct device_attribute * qeth_device_attrs[] = {
&dev_attr_state,
&dev_attr_chpid,
@@ -714,6 +752,7 @@
&dev_attr_recover,
&dev_attr_broadcast_mode,
&dev_attr_canonical_macaddr,
+ &dev_attr_layer2,
NULL,
};
@@ -729,6 +768,15 @@
.store = _store, \
};
+int
+qeth_check_layer2(struct qeth_card *card)
+{
+ if (card->options.layer2)
+ return -EPERM;
+ return 0;
+}
+
+
static ssize_t
qeth_dev_ipato_enable_show(struct device *dev, char *buf)
{
@@ -737,6 +785,8 @@
if (!card)
return -EINVAL;
+ if (qeth_check_layer2(card))
+ return -EPERM;
return sprintf(buf, "%i\n", card->ipato.enabled? 1:0);
}
@@ -753,6 +803,9 @@
(card->state != CARD_STATE_RECOVER))
return -EPERM;
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
tmp = strsep((char **) &buf, "\n");
if (!strcmp(tmp, "toggle")){
card->ipato.enabled = (card->ipato.enabled)? 0 : 1;
@@ -780,6 +833,9 @@
if (!card)
return -EINVAL;
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
return sprintf(buf, "%i\n", card->ipato.invert4? 1:0);
}
@@ -792,6 +848,9 @@
if (!card)
return -EINVAL;
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
tmp = strsep((char **) &buf, "\n");
if (!strcmp(tmp, "toggle")){
card->ipato.invert4 = (card->ipato.invert4)? 0 : 1;
@@ -820,6 +879,9 @@
char addr_str[49];
int i = 0;
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
spin_lock_irqsave(&card->ip_lock, flags);
list_for_each_entry(ipatoe, &card->ipato.entries, entry){
if (ipatoe->proto != proto)
@@ -880,6 +942,8 @@
int mask_bits;
int rc;
+ if (qeth_check_layer2(card))
+ return -EPERM;
if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits)))
return rc;
@@ -923,6 +987,8 @@
int mask_bits;
int rc;
+ if (qeth_check_layer2(card))
+ return -EPERM;
if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits)))
return rc;
@@ -954,6 +1020,9 @@
if (!card)
return -EINVAL;
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
return sprintf(buf, "%i\n", card->ipato.invert6? 1:0);
}
@@ -966,6 +1035,9 @@
if (!card)
return -EINVAL;
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
tmp = strsep((char **) &buf, "\n");
if (!strcmp(tmp, "toggle")){
card->ipato.invert6 = (card->ipato.invert6)? 0 : 1;
@@ -1054,6 +1126,9 @@
unsigned long flags;
int i = 0;
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
spin_lock_irqsave(&card->ip_lock, flags);
list_for_each_entry(ipaddr, &card->ip_list, entry){
if (ipaddr->proto != proto)
@@ -1098,6 +1173,8 @@
u8 addr[16] = {0, };
int rc;
+ if (qeth_check_layer2(card))
+ return -EPERM;
if ((rc = qeth_parse_vipae(buf, proto, addr)))
return rc;
@@ -1129,6 +1206,8 @@
u8 addr[16];
int rc;
+ if (qeth_check_layer2(card))
+ return -EPERM;
if ((rc = qeth_parse_vipae(buf, proto, addr)))
return rc;
@@ -1186,6 +1265,9 @@
if (!card)
return -EINVAL;
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
return qeth_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV6);
}
@@ -1217,6 +1299,9 @@
unsigned long flags;
int i = 0;
+ if (qeth_check_layer2(card))
+ return -EPERM;
+
spin_lock_irqsave(&card->ip_lock, flags);
list_for_each_entry(ipaddr, &card->ip_list, entry){
if (ipaddr->proto != proto)
@@ -1261,6 +1346,8 @@
u8 addr[16] = {0, };
int rc;
+ if (qeth_check_layer2(card))
+ return -EPERM;
if ((rc = qeth_parse_rxipe(buf, proto, addr)))
return rc;
@@ -1292,6 +1379,8 @@
u8 addr[16];
int rc;
+ if (qeth_check_layer2(card))
+ return -EPERM;
if ((rc = qeth_parse_rxipe(buf, proto, addr)))
return rc;
-
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