1ab9953ffSGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0
24a71df50SFrank Blaschka /*
3bbcfcdc8SFrank Blaschka * Copyright IBM Corp. 2007, 2009
44a71df50SFrank Blaschka * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
54a71df50SFrank Blaschka * Frank Pavlic <fpavlic@de.ibm.com>,
64a71df50SFrank Blaschka * Thomas Spatzier <tspat@de.ibm.com>,
74a71df50SFrank Blaschka * Frank Blaschka <frank.blaschka@de.ibm.com>
84a71df50SFrank Blaschka */
94a71df50SFrank Blaschka
1074eacdb9SFrank Blaschka #define KMSG_COMPONENT "qeth"
1174eacdb9SFrank Blaschka #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
1274eacdb9SFrank Blaschka
134a71df50SFrank Blaschka #include <linux/module.h>
144a71df50SFrank Blaschka #include <linux/moduleparam.h>
154a71df50SFrank Blaschka #include <linux/string.h>
164a71df50SFrank Blaschka #include <linux/errno.h>
174a71df50SFrank Blaschka #include <linux/kernel.h>
185a0e3ad6STejun Heo #include <linux/slab.h>
194a71df50SFrank Blaschka #include <linux/etherdevice.h>
20fa115adfSAlexandra Winter #include <linux/if_bridge.h>
21ccffad25SJiri Pirko #include <linux/list.h>
22fe5c8028SLakhvich Dmitriy #include <linux/hash.h>
23fe5c8028SLakhvich Dmitriy #include <linux/hashtable.h>
2410a6cfc0SAlexandra Winter #include <net/switchdev.h>
25a0138f59SAlexandra Winter #include <asm/chsc.h>
26fa115adfSAlexandra Winter #include <asm/css_chars.h>
27ec61bd2fSJulian Wiedmann #include <asm/setup.h>
284a71df50SFrank Blaschka #include "qeth_core.h"
29b4d72c08SEugene Crosser #include "qeth_l2.h"
304a71df50SFrank Blaschka
qeth_l2_setdelmac_makerc(struct qeth_card * card,u16 retcode)31742d4d40SJulian Wiedmann static int qeth_l2_setdelmac_makerc(struct qeth_card *card, u16 retcode)
324a71df50SFrank Blaschka {
33efbbc1d5SEugene Crosser int rc;
344a71df50SFrank Blaschka
35efbbc1d5SEugene Crosser if (retcode)
361aec42bcSThomas Richter QETH_CARD_TEXT_(card, 2, "err%04x", retcode);
37efbbc1d5SEugene Crosser switch (retcode) {
38efbbc1d5SEugene Crosser case IPA_RC_SUCCESS:
39efbbc1d5SEugene Crosser rc = 0;
40efbbc1d5SEugene Crosser break;
41efbbc1d5SEugene Crosser case IPA_RC_L2_UNSUPPORTED_CMD:
42ffb95251SEugene Crosser rc = -EOPNOTSUPP;
43efbbc1d5SEugene Crosser break;
44efbbc1d5SEugene Crosser case IPA_RC_L2_ADDR_TABLE_FULL:
45efbbc1d5SEugene Crosser rc = -ENOSPC;
46efbbc1d5SEugene Crosser break;
47efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_MAC:
48efbbc1d5SEugene Crosser case IPA_RC_L2_DUP_LAYER3_MAC:
49bdb0cc12SJulian Wiedmann rc = -EADDRINUSE;
50efbbc1d5SEugene Crosser break;
51efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP:
52efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP:
53bdb0cc12SJulian Wiedmann rc = -EADDRNOTAVAIL;
54efbbc1d5SEugene Crosser break;
55efbbc1d5SEugene Crosser case IPA_RC_L2_MAC_NOT_FOUND:
56efbbc1d5SEugene Crosser rc = -ENOENT;
57efbbc1d5SEugene Crosser break;
58efbbc1d5SEugene Crosser default:
59efbbc1d5SEugene Crosser rc = -EIO;
60efbbc1d5SEugene Crosser break;
614a71df50SFrank Blaschka }
62efbbc1d5SEugene Crosser return rc;
634a71df50SFrank Blaschka }
644a71df50SFrank Blaschka
qeth_l2_send_setdelmac_cb(struct qeth_card * card,struct qeth_reply * reply,unsigned long data)65742d4d40SJulian Wiedmann static int qeth_l2_send_setdelmac_cb(struct qeth_card *card,
66742d4d40SJulian Wiedmann struct qeth_reply *reply,
67742d4d40SJulian Wiedmann unsigned long data)
68742d4d40SJulian Wiedmann {
69742d4d40SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
70742d4d40SJulian Wiedmann
71742d4d40SJulian Wiedmann return qeth_l2_setdelmac_makerc(card, cmd->hdr.return_code);
72742d4d40SJulian Wiedmann }
73742d4d40SJulian Wiedmann
qeth_l2_send_setdelmac(struct qeth_card * card,const __u8 * mac,enum qeth_ipa_cmds ipacmd)74978bb0aeSJakub Kicinski static int qeth_l2_send_setdelmac(struct qeth_card *card, const __u8 *mac,
75ac988d78SJulian Wiedmann enum qeth_ipa_cmds ipacmd)
76ac988d78SJulian Wiedmann {
77ac988d78SJulian Wiedmann struct qeth_ipa_cmd *cmd;
78ac988d78SJulian Wiedmann struct qeth_cmd_buffer *iob;
79ac988d78SJulian Wiedmann
80ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2sdmac");
81a59d121dSJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipacmd, QETH_PROT_IPV4,
82a59d121dSJulian Wiedmann IPA_DATA_SIZEOF(setdelmac));
83ac988d78SJulian Wiedmann if (!iob)
84ac988d78SJulian Wiedmann return -ENOMEM;
85ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob);
8699f0b85dSJulian Wiedmann cmd->data.setdelmac.mac_length = ETH_ALEN;
8799f0b85dSJulian Wiedmann ether_addr_copy(cmd->data.setdelmac.mac, mac);
88742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelmac_cb, NULL);
89ac988d78SJulian Wiedmann }
90ac988d78SJulian Wiedmann
qeth_l2_send_setmac(struct qeth_card * card,const __u8 * mac)91978bb0aeSJakub Kicinski static int qeth_l2_send_setmac(struct qeth_card *card, const __u8 *mac)
92ac988d78SJulian Wiedmann {
93ac988d78SJulian Wiedmann int rc;
94ac988d78SJulian Wiedmann
95ac988d78SJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Setmac");
96ac988d78SJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC);
97ac988d78SJulian Wiedmann if (rc == 0) {
98ac988d78SJulian Wiedmann dev_info(&card->gdev->dev,
99654e3d48SJulian Wiedmann "MAC address %pM successfully registered\n", mac);
100ac988d78SJulian Wiedmann } else {
101ac988d78SJulian Wiedmann switch (rc) {
102bdb0cc12SJulian Wiedmann case -EADDRINUSE:
103ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev,
104ac988d78SJulian Wiedmann "MAC address %pM already exists\n", mac);
105ac988d78SJulian Wiedmann break;
106bdb0cc12SJulian Wiedmann case -EADDRNOTAVAIL:
107ac988d78SJulian Wiedmann dev_warn(&card->gdev->dev,
108ac988d78SJulian Wiedmann "MAC address %pM is not authorized\n", mac);
109ac988d78SJulian Wiedmann break;
110ac988d78SJulian Wiedmann }
111ac988d78SJulian Wiedmann }
112ac988d78SJulian Wiedmann return rc;
113ac988d78SJulian Wiedmann }
114ac988d78SJulian Wiedmann
qeth_l2_write_mac(struct qeth_card * card,u8 * mac)1158174aa8aSJulian Wiedmann static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac)
1164a71df50SFrank Blaschka {
1179d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ?
1188174aa8aSJulian Wiedmann IPA_CMD_SETGMAC : IPA_CMD_SETVMAC;
119efbbc1d5SEugene Crosser int rc;
120efbbc1d5SEugene Crosser
1218174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Wmac");
1228174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd);
123bdb0cc12SJulian Wiedmann if (rc == -EADDRINUSE)
1240969becbSJulian Wiedmann QETH_DBF_MESSAGE(2, "MAC address %012llx is already registered on device %x\n",
1250969becbSJulian Wiedmann ether_addr_to_u64(mac), CARD_DEVID(card));
126efbbc1d5SEugene Crosser else if (rc)
1270969becbSJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to register MAC address %012llx on device %x: %d\n",
1280969becbSJulian Wiedmann ether_addr_to_u64(mac), CARD_DEVID(card), rc);
129efbbc1d5SEugene Crosser return rc;
1304a71df50SFrank Blaschka }
1314a71df50SFrank Blaschka
qeth_l2_remove_mac(struct qeth_card * card,u8 * mac)1328174aa8aSJulian Wiedmann static int qeth_l2_remove_mac(struct qeth_card *card, u8 *mac)
1334a71df50SFrank Blaschka {
1349d0a58fbSVasily Gorbik enum qeth_ipa_cmds cmd = is_multicast_ether_addr(mac) ?
1358174aa8aSJulian Wiedmann IPA_CMD_DELGMAC : IPA_CMD_DELVMAC;
136efbbc1d5SEugene Crosser int rc;
137efbbc1d5SEugene Crosser
1388174aa8aSJulian Wiedmann QETH_CARD_TEXT(card, 2, "L2Rmac");
1398174aa8aSJulian Wiedmann rc = qeth_l2_send_setdelmac(card, mac, cmd);
140efbbc1d5SEugene Crosser if (rc)
1410969becbSJulian Wiedmann QETH_DBF_MESSAGE(2, "Failed to delete MAC address %012llx on device %x: %d\n",
1420969becbSJulian Wiedmann ether_addr_to_u64(mac), CARD_DEVID(card), rc);
143efbbc1d5SEugene Crosser return rc;
1444a71df50SFrank Blaschka }
1454a71df50SFrank Blaschka
qeth_l2_drain_rx_mode_cache(struct qeth_card * card)146d0c74825SJulian Wiedmann static void qeth_l2_drain_rx_mode_cache(struct qeth_card *card)
1474a71df50SFrank Blaschka {
148fe5c8028SLakhvich Dmitriy struct qeth_mac *mac;
149fe5c8028SLakhvich Dmitriy struct hlist_node *tmp;
150fe5c8028SLakhvich Dmitriy int i;
1514a71df50SFrank Blaschka
1520973292fSJulian Wiedmann hash_for_each_safe(card->rx_mode_addrs, i, tmp, mac, hnode) {
153fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode);
154fe5c8028SLakhvich Dmitriy kfree(mac);
1554a71df50SFrank Blaschka }
1564a71df50SFrank Blaschka }
1574a71df50SFrank Blaschka
qeth_l2_fill_header(struct qeth_qdio_out_q * queue,struct qeth_hdr * hdr,struct sk_buff * skb,__be16 proto,unsigned int data_len)158b0abc4f5SJulian Wiedmann static void qeth_l2_fill_header(struct qeth_qdio_out_q *queue,
159b0abc4f5SJulian Wiedmann struct qeth_hdr *hdr, struct sk_buff *skb,
16017f3a8b5SJulian Wiedmann __be16 proto, unsigned int data_len)
1614a71df50SFrank Blaschka {
162eca1d5c2SJulian Wiedmann int cast_type = qeth_get_ether_cast_type(skb);
1630aef8392SJulian Wiedmann struct vlan_ethhdr *veth = vlan_eth_hdr(skb);
1644a71df50SFrank Blaschka
165ae79fe03SJulian Wiedmann hdr->hdr.l2.pkt_length = data_len;
1664a71df50SFrank Blaschka
1670aef8392SJulian Wiedmann if (skb_is_gso(skb)) {
1680aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_L2_TSO;
1690aef8392SJulian Wiedmann } else {
1700aef8392SJulian Wiedmann hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;
171eeac0e20SJulian Wiedmann if (skb->ip_summed == CHECKSUM_PARTIAL)
17217f3a8b5SJulian Wiedmann qeth_tx_csum(skb, &hdr->hdr.l2.flags[1], proto);
1730aef8392SJulian Wiedmann }
174fc69660bSJulian Wiedmann
1754a71df50SFrank Blaschka /* set byte byte 3 to casting flags */
1764a71df50SFrank Blaschka if (cast_type == RTN_MULTICAST)
1774a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST;
1784a71df50SFrank Blaschka else if (cast_type == RTN_BROADCAST)
1794a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST;
1804a71df50SFrank Blaschka else
181ce73e10eSKlaus-Dieter Wacker hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST;
1824a71df50SFrank Blaschka
1834a71df50SFrank Blaschka /* VSWITCH relies on the VLAN
1844a71df50SFrank Blaschka * information to be present in
1854a71df50SFrank Blaschka * the QDIO header */
186378ac80dSJulian Wiedmann if (veth->h_vlan_proto == htons(ETH_P_8021Q)) {
1874a71df50SFrank Blaschka hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN;
1884a71df50SFrank Blaschka hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI);
1894a71df50SFrank Blaschka }
1904a71df50SFrank Blaschka }
1914a71df50SFrank Blaschka
qeth_l2_setdelvlan_makerc(struct qeth_card * card,u16 retcode)192742d4d40SJulian Wiedmann static int qeth_l2_setdelvlan_makerc(struct qeth_card *card, u16 retcode)
1934a71df50SFrank Blaschka {
1942aa48671SJulian Wiedmann if (retcode)
1952aa48671SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", retcode);
1962aa48671SJulian Wiedmann
1972aa48671SJulian Wiedmann switch (retcode) {
1982aa48671SJulian Wiedmann case IPA_RC_SUCCESS:
1992aa48671SJulian Wiedmann return 0;
2002aa48671SJulian Wiedmann case IPA_RC_L2_INVALID_VLAN_ID:
2012aa48671SJulian Wiedmann return -EINVAL;
2022aa48671SJulian Wiedmann case IPA_RC_L2_DUP_VLAN_ID:
2032aa48671SJulian Wiedmann return -EEXIST;
2042aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_FOUND:
2052aa48671SJulian Wiedmann return -ENOENT;
2062aa48671SJulian Wiedmann case IPA_RC_L2_VLAN_ID_NOT_ALLOWED:
2072aa48671SJulian Wiedmann return -EPERM;
2082aa48671SJulian Wiedmann default:
2092aa48671SJulian Wiedmann return -EIO;
2102aa48671SJulian Wiedmann }
2112aa48671SJulian Wiedmann }
2122aa48671SJulian Wiedmann
qeth_l2_send_setdelvlan_cb(struct qeth_card * card,struct qeth_reply * reply,unsigned long data)2132aa48671SJulian Wiedmann static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card,
2142aa48671SJulian Wiedmann struct qeth_reply *reply,
2152aa48671SJulian Wiedmann unsigned long data)
2162aa48671SJulian Wiedmann {
2172aa48671SJulian Wiedmann struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
2184a71df50SFrank Blaschka
219847a50fdSCarsten Otte QETH_CARD_TEXT(card, 2, "L2sdvcb");
2204a71df50SFrank Blaschka if (cmd->hdr.return_code) {
221e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "Error in processing VLAN %u on device %x: %#x.\n",
2222aa48671SJulian Wiedmann cmd->data.setdelvlan.vlan_id,
223e19e5be8SJulian Wiedmann CARD_DEVID(card), cmd->hdr.return_code);
224847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command);
2254a71df50SFrank Blaschka }
226742d4d40SJulian Wiedmann return qeth_l2_setdelvlan_makerc(card, cmd->hdr.return_code);
2274a71df50SFrank Blaschka }
2284a71df50SFrank Blaschka
qeth_l2_send_setdelvlan(struct qeth_card * card,__u16 i,enum qeth_ipa_cmds ipacmd)2294a71df50SFrank Blaschka static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i,
2304a71df50SFrank Blaschka enum qeth_ipa_cmds ipacmd)
2314a71df50SFrank Blaschka {
2324a71df50SFrank Blaschka struct qeth_ipa_cmd *cmd;
2334a71df50SFrank Blaschka struct qeth_cmd_buffer *iob;
2344a71df50SFrank Blaschka
235847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd);
236a59d121dSJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipacmd, QETH_PROT_IPV4,
237a59d121dSJulian Wiedmann IPA_DATA_SIZEOF(setdelvlan));
2381aec42bcSThomas Richter if (!iob)
2391aec42bcSThomas Richter return -ENOMEM;
240ff5caa7aSJulian Wiedmann cmd = __ipa_cmd(iob);
2414a71df50SFrank Blaschka cmd->data.setdelvlan.vlan_id = i;
242742d4d40SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_send_setdelvlan_cb, NULL);
2434a71df50SFrank Blaschka }
2444a71df50SFrank Blaschka
qeth_l2_vlan_rx_add_vid(struct net_device * dev,__be16 proto,u16 vid)24580d5c368SPatrick McHardy static int qeth_l2_vlan_rx_add_vid(struct net_device *dev,
24680d5c368SPatrick McHardy __be16 proto, u16 vid)
2474a71df50SFrank Blaschka {
248509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv;
2494a71df50SFrank Blaschka
250847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "aid:%d", vid);
25110651db7SUrsula Braun if (!vid)
2528e586137SJiri Pirko return 0;
253e6e771b3SJulian Wiedmann
2545fc692a7SJulian Wiedmann return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
2554a71df50SFrank Blaschka }
2564a71df50SFrank Blaschka
qeth_l2_vlan_rx_kill_vid(struct net_device * dev,__be16 proto,u16 vid)25780d5c368SPatrick McHardy static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev,
25880d5c368SPatrick McHardy __be16 proto, u16 vid)
2594a71df50SFrank Blaschka {
260509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv;
2614a71df50SFrank Blaschka
262847a50fdSCarsten Otte QETH_CARD_TEXT_(card, 4, "kid:%d", vid);
2635fc692a7SJulian Wiedmann if (!vid)
2645fc692a7SJulian Wiedmann return 0;
265e6e771b3SJulian Wiedmann
2665fc692a7SJulian Wiedmann return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
2674a71df50SFrank Blaschka }
2684a71df50SFrank Blaschka
qeth_l2_set_pnso_mode(struct qeth_card * card,enum qeth_pnso_mode mode)2699d6a569aSJulian Wiedmann static void qeth_l2_set_pnso_mode(struct qeth_card *card,
2709d6a569aSJulian Wiedmann enum qeth_pnso_mode mode)
2719d6a569aSJulian Wiedmann {
2729d6a569aSJulian Wiedmann spin_lock_irq(get_ccwdev_lock(CARD_RDEV(card)));
2739d6a569aSJulian Wiedmann WRITE_ONCE(card->info.pnso_mode, mode);
2749d6a569aSJulian Wiedmann spin_unlock_irq(get_ccwdev_lock(CARD_RDEV(card)));
2759d6a569aSJulian Wiedmann
2769d6a569aSJulian Wiedmann if (mode == QETH_PNSO_NONE)
2779d6a569aSJulian Wiedmann drain_workqueue(card->event_wq);
2789d6a569aSJulian Wiedmann }
2799d6a569aSJulian Wiedmann
qeth_l2_dev2br_fdb_flush(struct qeth_card * card)280817741a8SAlexandra Winter static void qeth_l2_dev2br_fdb_flush(struct qeth_card *card)
281817741a8SAlexandra Winter {
282c35b57ceSVladimir Oltean struct switchdev_notifier_fdb_info info = {};
283817741a8SAlexandra Winter
284817741a8SAlexandra Winter QETH_CARD_TEXT(card, 2, "fdbflush");
285817741a8SAlexandra Winter
286817741a8SAlexandra Winter info.addr = NULL;
287817741a8SAlexandra Winter /* flush all VLANs: */
288817741a8SAlexandra Winter info.vid = 0;
289817741a8SAlexandra Winter info.added_by_user = false;
290817741a8SAlexandra Winter info.offloaded = true;
291817741a8SAlexandra Winter
292817741a8SAlexandra Winter call_switchdev_notifiers(SWITCHDEV_FDB_FLUSH_TO_BRIDGE,
293817741a8SAlexandra Winter card->dev, &info.info, NULL);
294817741a8SAlexandra Winter }
295817741a8SAlexandra Winter
qeth_l2_request_initial_mac(struct qeth_card * card)2964a71df50SFrank Blaschka static int qeth_l2_request_initial_mac(struct qeth_card *card)
2974a71df50SFrank Blaschka {
2984a71df50SFrank Blaschka int rc = 0;
2994a71df50SFrank Blaschka
30057a688aaSJulian Wiedmann QETH_CARD_TEXT(card, 2, "l2reqmac");
3014a71df50SFrank Blaschka
302ec61bd2fSJulian Wiedmann if (MACHINE_IS_VM) {
303ec61bd2fSJulian Wiedmann rc = qeth_vm_request_mac(card);
304ec61bd2fSJulian Wiedmann if (!rc)
305ec61bd2fSJulian Wiedmann goto out;
306e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "z/VM MAC Service failed on device %x: %#x\n",
307e19e5be8SJulian Wiedmann CARD_DEVID(card), rc);
30857a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "err%04x", rc);
309ec61bd2fSJulian Wiedmann /* fall back to alternative mechanism: */
310ec61bd2fSJulian Wiedmann }
311ec61bd2fSJulian Wiedmann
3124a71df50SFrank Blaschka rc = qeth_setadpparms_change_macaddr(card);
3134b7ae122SJulian Wiedmann if (!rc)
31421b1702aSJulian Wiedmann goto out;
315e19e5be8SJulian Wiedmann QETH_DBF_MESSAGE(2, "READ_MAC Assist failed on device %x: %#x\n",
316e19e5be8SJulian Wiedmann CARD_DEVID(card), rc);
31757a688aaSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "1err%04x", rc);
31821b1702aSJulian Wiedmann
319a8c7629cSJulian Wiedmann /* Fall back once more, but some devices don't support a custom MAC
320a8c7629cSJulian Wiedmann * address:
321a8c7629cSJulian Wiedmann */
322379ac99eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card))
32321b1702aSJulian Wiedmann return (rc) ? rc : -EADDRNOTAVAIL;
32421b1702aSJulian Wiedmann eth_hw_addr_random(card->dev);
32521b1702aSJulian Wiedmann
326ec61bd2fSJulian Wiedmann out:
32757a688aaSJulian Wiedmann QETH_CARD_HEX(card, 2, card->dev->dev_addr, card->dev->addr_len);
3284a71df50SFrank Blaschka return 0;
3294a71df50SFrank Blaschka }
3304a71df50SFrank Blaschka
qeth_l2_register_dev_addr(struct qeth_card * card)331654e3d48SJulian Wiedmann static void qeth_l2_register_dev_addr(struct qeth_card *card)
332654e3d48SJulian Wiedmann {
333654e3d48SJulian Wiedmann if (!is_valid_ether_addr(card->dev->dev_addr))
334654e3d48SJulian Wiedmann qeth_l2_request_initial_mac(card);
335654e3d48SJulian Wiedmann
336a8c7629cSJulian Wiedmann if (!qeth_l2_send_setmac(card, card->dev->dev_addr))
3379de15117SJulian Wiedmann card->info.dev_addr_is_registered = 1;
3389de15117SJulian Wiedmann else
3399de15117SJulian Wiedmann card->info.dev_addr_is_registered = 0;
340654e3d48SJulian Wiedmann }
341654e3d48SJulian Wiedmann
qeth_l2_validate_addr(struct net_device * dev)342e22355eaSJulian Wiedmann static int qeth_l2_validate_addr(struct net_device *dev)
343e22355eaSJulian Wiedmann {
344e22355eaSJulian Wiedmann struct qeth_card *card = dev->ml_priv;
345e22355eaSJulian Wiedmann
3469de15117SJulian Wiedmann if (card->info.dev_addr_is_registered)
347e22355eaSJulian Wiedmann return eth_validate_addr(dev);
348e22355eaSJulian Wiedmann
349e22355eaSJulian Wiedmann QETH_CARD_TEXT(card, 4, "nomacadr");
350e22355eaSJulian Wiedmann return -EPERM;
351e22355eaSJulian Wiedmann }
352e22355eaSJulian Wiedmann
qeth_l2_set_mac_address(struct net_device * dev,void * p)3534a71df50SFrank Blaschka static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
3544a71df50SFrank Blaschka {
3554a71df50SFrank Blaschka struct sockaddr *addr = p;
356509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv;
357bcacfcbcSJulian Wiedmann u8 old_addr[ETH_ALEN];
3584a71df50SFrank Blaschka int rc = 0;
3594a71df50SFrank Blaschka
360847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmac");
3614a71df50SFrank Blaschka
3628024cc9eSJulian Wiedmann if (IS_OSM(card) || IS_OSX(card)) {
363847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmcTYP");
3644a71df50SFrank Blaschka return -EOPNOTSUPP;
3654a71df50SFrank Blaschka }
36699f0b85dSJulian Wiedmann QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN);
367bcacfcbcSJulian Wiedmann if (!is_valid_ether_addr(addr->sa_data))
368bcacfcbcSJulian Wiedmann return -EADDRNOTAVAIL;
369bcacfcbcSJulian Wiedmann
370bcacfcbcSJulian Wiedmann /* don't register the same address twice */
371bcacfcbcSJulian Wiedmann if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) &&
3729de15117SJulian Wiedmann card->info.dev_addr_is_registered)
373e6e771b3SJulian Wiedmann return 0;
374bcacfcbcSJulian Wiedmann
375bcacfcbcSJulian Wiedmann /* add the new address, switch over, drop the old */
3764a71df50SFrank Blaschka rc = qeth_l2_send_setmac(card, addr->sa_data);
377bcacfcbcSJulian Wiedmann if (rc)
378e6e771b3SJulian Wiedmann return rc;
379bcacfcbcSJulian Wiedmann ether_addr_copy(old_addr, dev->dev_addr);
380978bb0aeSJakub Kicinski eth_hw_addr_set(dev, addr->sa_data);
381bcacfcbcSJulian Wiedmann
3829de15117SJulian Wiedmann if (card->info.dev_addr_is_registered)
383bcacfcbcSJulian Wiedmann qeth_l2_remove_mac(card, old_addr);
3849de15117SJulian Wiedmann card->info.dev_addr_is_registered = 1;
385e6e771b3SJulian Wiedmann return 0;
3864a71df50SFrank Blaschka }
3874a71df50SFrank Blaschka
qeth_l2_promisc_to_bridge(struct qeth_card * card,bool enable)38859b757a9SJulian Wiedmann static void qeth_l2_promisc_to_bridge(struct qeth_card *card, bool enable)
3890db587b0SEugene Crosser {
3900db587b0SEugene Crosser int role;
3910db587b0SEugene Crosser int rc;
3920db587b0SEugene Crosser
3930db587b0SEugene Crosser QETH_CARD_TEXT(card, 3, "pmisc2br");
3940db587b0SEugene Crosser
39559b757a9SJulian Wiedmann if (enable) {
3960db587b0SEugene Crosser if (card->options.sbp.reflect_promisc_primary)
3970db587b0SEugene Crosser role = QETH_SBP_ROLE_PRIMARY;
3980db587b0SEugene Crosser else
3990db587b0SEugene Crosser role = QETH_SBP_ROLE_SECONDARY;
4000db587b0SEugene Crosser } else
4010db587b0SEugene Crosser role = QETH_SBP_ROLE_NONE;
4020db587b0SEugene Crosser
4030db587b0SEugene Crosser rc = qeth_bridgeport_setrole(card, role);
40459b757a9SJulian Wiedmann QETH_CARD_TEXT_(card, 2, "bpm%c%04x", enable ? '+' : '-', rc);
4050db587b0SEugene Crosser if (!rc) {
4060db587b0SEugene Crosser card->options.sbp.role = role;
40759b757a9SJulian Wiedmann card->info.promisc_mode = enable;
40859b757a9SJulian Wiedmann }
4090db587b0SEugene Crosser }
410fe5c8028SLakhvich Dmitriy
qeth_l2_set_promisc_mode(struct qeth_card * card)41159b757a9SJulian Wiedmann static void qeth_l2_set_promisc_mode(struct qeth_card *card)
41259b757a9SJulian Wiedmann {
41359b757a9SJulian Wiedmann bool enable = card->dev->flags & IFF_PROMISC;
41459b757a9SJulian Wiedmann
41559b757a9SJulian Wiedmann if (card->info.promisc_mode == enable)
41659b757a9SJulian Wiedmann return;
41759b757a9SJulian Wiedmann
418c8183f54SJulian Wiedmann if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) {
41959b757a9SJulian Wiedmann qeth_setadp_promisc_mode(card, enable);
420c8183f54SJulian Wiedmann } else {
421c8183f54SJulian Wiedmann mutex_lock(&card->sbp_lock);
422c8183f54SJulian Wiedmann if (card->options.sbp.reflect_promisc)
42359b757a9SJulian Wiedmann qeth_l2_promisc_to_bridge(card, enable);
424c8183f54SJulian Wiedmann mutex_unlock(&card->sbp_lock);
425c8183f54SJulian Wiedmann }
426fe5c8028SLakhvich Dmitriy }
42759b757a9SJulian Wiedmann
428fe5c8028SLakhvich Dmitriy /* New MAC address is added to the hash table and marked to be written on card
429fe5c8028SLakhvich Dmitriy * only if there is not in the hash table storage already
430fe5c8028SLakhvich Dmitriy *
431fe5c8028SLakhvich Dmitriy */
qeth_l2_add_mac(struct qeth_card * card,struct netdev_hw_addr * ha)4324641b027SJulian Wiedmann static void qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha)
433fe5c8028SLakhvich Dmitriy {
434cef6ff22SJulian Wiedmann u32 mac_hash = get_unaligned((u32 *)(&ha->addr[2]));
435fe5c8028SLakhvich Dmitriy struct qeth_mac *mac;
436fe5c8028SLakhvich Dmitriy
4370973292fSJulian Wiedmann hash_for_each_possible(card->rx_mode_addrs, mac, hnode, mac_hash) {
43899f0b85dSJulian Wiedmann if (ether_addr_equal_64bits(ha->addr, mac->mac_addr)) {
4395f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
440fe5c8028SLakhvich Dmitriy return;
441fe5c8028SLakhvich Dmitriy }
4420db587b0SEugene Crosser }
4430db587b0SEugene Crosser
444fe5c8028SLakhvich Dmitriy mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC);
445fe5c8028SLakhvich Dmitriy if (!mac)
446fe5c8028SLakhvich Dmitriy return;
447fe5c8028SLakhvich Dmitriy
44899f0b85dSJulian Wiedmann ether_addr_copy(mac->mac_addr, ha->addr);
4495f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_ADD;
450fe5c8028SLakhvich Dmitriy
4510973292fSJulian Wiedmann hash_add(card->rx_mode_addrs, &mac->hnode, mac_hash);
452fe5c8028SLakhvich Dmitriy }
453fe5c8028SLakhvich Dmitriy
qeth_l2_rx_mode_work(struct work_struct * work)454d0c74825SJulian Wiedmann static void qeth_l2_rx_mode_work(struct work_struct *work)
4554a71df50SFrank Blaschka {
456d0c74825SJulian Wiedmann struct qeth_card *card = container_of(work, struct qeth_card,
457d0c74825SJulian Wiedmann rx_mode_work);
458d0c74825SJulian Wiedmann struct net_device *dev = card->dev;
459ccffad25SJiri Pirko struct netdev_hw_addr *ha;
460fe5c8028SLakhvich Dmitriy struct qeth_mac *mac;
461fe5c8028SLakhvich Dmitriy struct hlist_node *tmp;
462fe5c8028SLakhvich Dmitriy int i;
463fe5c8028SLakhvich Dmitriy int rc;
4644a71df50SFrank Blaschka
465847a50fdSCarsten Otte QETH_CARD_TEXT(card, 3, "setmulti");
466fe5c8028SLakhvich Dmitriy
467d0c74825SJulian Wiedmann netif_addr_lock_bh(dev);
46822bedad3SJiri Pirko netdev_for_each_mc_addr(ha, dev)
4694641b027SJulian Wiedmann qeth_l2_add_mac(card, ha);
47032e7bfc4SJiri Pirko netdev_for_each_uc_addr(ha, dev)
4714641b027SJulian Wiedmann qeth_l2_add_mac(card, ha);
472d0c74825SJulian Wiedmann netif_addr_unlock_bh(dev);
473fe5c8028SLakhvich Dmitriy
4740973292fSJulian Wiedmann hash_for_each_safe(card->rx_mode_addrs, i, tmp, mac, hnode) {
47500c163f1SJulian Wiedmann switch (mac->disp_flag) {
47600c163f1SJulian Wiedmann case QETH_DISP_ADDR_DELETE:
4778174aa8aSJulian Wiedmann qeth_l2_remove_mac(card, mac->mac_addr);
478fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode);
479fe5c8028SLakhvich Dmitriy kfree(mac);
48000c163f1SJulian Wiedmann break;
48100c163f1SJulian Wiedmann case QETH_DISP_ADDR_ADD:
4828174aa8aSJulian Wiedmann rc = qeth_l2_write_mac(card, mac->mac_addr);
483fe5c8028SLakhvich Dmitriy if (rc) {
484fe5c8028SLakhvich Dmitriy hash_del(&mac->hnode);
485fe5c8028SLakhvich Dmitriy kfree(mac);
48600c163f1SJulian Wiedmann break;
48700c163f1SJulian Wiedmann }
488df561f66SGustavo A. R. Silva fallthrough;
48900c163f1SJulian Wiedmann default:
49000c163f1SJulian Wiedmann /* for next call to set_rx_mode(): */
4915f78e29cSLakhvich Dmitriy mac->disp_flag = QETH_DISP_ADDR_DELETE;
49200c163f1SJulian Wiedmann }
493fe5c8028SLakhvich Dmitriy }
4947db2266aSFrank Blaschka
49559b757a9SJulian Wiedmann qeth_l2_set_promisc_mode(card);
4964a71df50SFrank Blaschka }
4974a71df50SFrank Blaschka
qeth_l2_hard_start_xmit(struct sk_buff * skb,struct net_device * dev)498e38db6beSJulian Wiedmann static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb,
499e38db6beSJulian Wiedmann struct net_device *dev)
5004a71df50SFrank Blaschka {
501509e2562SHeiko Carstens struct qeth_card *card = dev->ml_priv;
5023a18d754SJulian Wiedmann u16 txq = skb_get_queue_mapping(skb);
503290b8348SStefan Raspl struct qeth_qdio_out_q *queue;
5047286384bSJulian Wiedmann int rc;
5054a71df50SFrank Blaschka
506eeac0e20SJulian Wiedmann if (!skb_is_gso(skb))
507eeac0e20SJulian Wiedmann qdisc_skb_cb(skb)->pkt_len = skb->len;
5083a18d754SJulian Wiedmann if (IS_IQD(card))
50954a50941SJulian Wiedmann txq = qeth_iqd_translate_txq(dev, txq);
51073dc2dafSJulian Wiedmann queue = card->qdio.out_qs[txq];
511b0abc4f5SJulian Wiedmann
51217f3a8b5SJulian Wiedmann rc = qeth_xmit(card, skb, queue, vlan_get_protocol(skb),
51358aa2491SJulian Wiedmann qeth_l2_fill_header);
514eeac0e20SJulian Wiedmann if (!rc)
5157286384bSJulian Wiedmann return NETDEV_TX_OK;
5164a71df50SFrank Blaschka
517b0abc4f5SJulian Wiedmann QETH_TXQ_STAT_INC(queue, tx_dropped);
518104b4859SJulian Wiedmann kfree_skb(skb);
5194a71df50SFrank Blaschka return NETDEV_TX_OK;
5204a71df50SFrank Blaschka }
5214a71df50SFrank Blaschka
qeth_l2_iqd_select_queue(struct net_device * dev,struct sk_buff * skb,struct net_device * sb_dev)5221b9e410fSJulian Wiedmann static u16 qeth_l2_iqd_select_queue(struct net_device *dev, struct sk_buff *skb,
5233a18d754SJulian Wiedmann struct net_device *sb_dev)
5243a18d754SJulian Wiedmann {
5251b9e410fSJulian Wiedmann return qeth_iqd_select_queue(dev, skb, qeth_get_ether_cast_type(skb),
5263a18d754SJulian Wiedmann sb_dev);
5273a18d754SJulian Wiedmann }
5283a18d754SJulian Wiedmann
qeth_l2_set_rx_mode(struct net_device * dev)529d0c74825SJulian Wiedmann static void qeth_l2_set_rx_mode(struct net_device *dev)
530d0c74825SJulian Wiedmann {
531d0c74825SJulian Wiedmann struct qeth_card *card = dev->ml_priv;
532d0c74825SJulian Wiedmann
533d0c74825SJulian Wiedmann schedule_work(&card->rx_mode_work);
534d0c74825SJulian Wiedmann }
535d0c74825SJulian Wiedmann
536a0138f59SAlexandra Winter /**
537a0138f59SAlexandra Winter * qeth_l2_pnso() - perform network subchannel operation
538a0138f59SAlexandra Winter * @card: qeth_card structure pointer
5394fea49a7SAlexandra Winter * @oc: Operation Code
540a0138f59SAlexandra Winter * @cnc: Boolean Change-Notification Control
541a0138f59SAlexandra Winter * @cb: Callback function will be executed for each element
542a0138f59SAlexandra Winter * of the address list
543a0138f59SAlexandra Winter * @priv: Pointer to pass to the callback function.
544a0138f59SAlexandra Winter *
545a0138f59SAlexandra Winter * Collects network information in a network address list and calls the
546a0138f59SAlexandra Winter * callback function for every entry in the list. If "change-notification-
547a0138f59SAlexandra Winter * control" is set, further changes in the address list will be reported
548a0138f59SAlexandra Winter * via the IPA command.
549a0138f59SAlexandra Winter */
qeth_l2_pnso(struct qeth_card * card,u8 oc,int cnc,void (* cb)(void * priv,struct chsc_pnso_naid_l2 * entry),void * priv)5504fea49a7SAlexandra Winter static int qeth_l2_pnso(struct qeth_card *card, u8 oc, int cnc,
551a0138f59SAlexandra Winter void (*cb)(void *priv, struct chsc_pnso_naid_l2 *entry),
552a0138f59SAlexandra Winter void *priv)
553a0138f59SAlexandra Winter {
554a0138f59SAlexandra Winter struct ccw_device *ddev = CARD_DDEV(card);
555a0138f59SAlexandra Winter struct chsc_pnso_area *rr;
556a0138f59SAlexandra Winter u32 prev_instance = 0;
557a0138f59SAlexandra Winter int isfirstblock = 1;
558a0138f59SAlexandra Winter int i, size, elems;
559a0138f59SAlexandra Winter int rc;
560a0138f59SAlexandra Winter
561a0138f59SAlexandra Winter rr = (struct chsc_pnso_area *)get_zeroed_page(GFP_KERNEL);
562a0138f59SAlexandra Winter if (rr == NULL)
563a0138f59SAlexandra Winter return -ENOMEM;
564a0138f59SAlexandra Winter do {
5654fea49a7SAlexandra Winter QETH_CARD_TEXT(card, 2, "PNSO");
566a0138f59SAlexandra Winter /* on the first iteration, naihdr.resume_token will be zero */
5674fea49a7SAlexandra Winter rc = ccw_device_pnso(ddev, rr, oc, rr->naihdr.resume_token,
5684fea49a7SAlexandra Winter cnc);
569a0138f59SAlexandra Winter if (rc)
570a0138f59SAlexandra Winter continue;
571a0138f59SAlexandra Winter if (cb == NULL)
572a0138f59SAlexandra Winter continue;
573a0138f59SAlexandra Winter
574a0138f59SAlexandra Winter size = rr->naihdr.naids;
575a0138f59SAlexandra Winter if (size != sizeof(struct chsc_pnso_naid_l2)) {
576a0138f59SAlexandra Winter WARN_ON_ONCE(1);
577a0138f59SAlexandra Winter continue;
578a0138f59SAlexandra Winter }
579a0138f59SAlexandra Winter
580a0138f59SAlexandra Winter elems = (rr->response.length - sizeof(struct chsc_header) -
581a0138f59SAlexandra Winter sizeof(struct chsc_pnso_naihdr)) / size;
582a0138f59SAlexandra Winter
583a0138f59SAlexandra Winter if (!isfirstblock && (rr->naihdr.instance != prev_instance)) {
584a0138f59SAlexandra Winter /* Inform the caller that they need to scrap */
585a0138f59SAlexandra Winter /* the data that was already reported via cb */
586a0138f59SAlexandra Winter rc = -EAGAIN;
587a0138f59SAlexandra Winter break;
588a0138f59SAlexandra Winter }
589a0138f59SAlexandra Winter isfirstblock = 0;
590a0138f59SAlexandra Winter prev_instance = rr->naihdr.instance;
591a0138f59SAlexandra Winter for (i = 0; i < elems; i++)
592a0138f59SAlexandra Winter (*cb)(priv, &rr->entries[i]);
593a0138f59SAlexandra Winter } while ((rc == -EBUSY) || (!rc && /* list stored */
594a0138f59SAlexandra Winter /* resume token is non-zero => list incomplete */
595a0138f59SAlexandra Winter (rr->naihdr.resume_token.t1 || rr->naihdr.resume_token.t2)));
596a0138f59SAlexandra Winter
597a0138f59SAlexandra Winter if (rc)
598a0138f59SAlexandra Winter QETH_CARD_TEXT_(card, 2, "PNrp%04x", rr->response.code);
599a0138f59SAlexandra Winter
600a0138f59SAlexandra Winter free_page((unsigned long)rr);
601a0138f59SAlexandra Winter return rc;
602a0138f59SAlexandra Winter }
603a0138f59SAlexandra Winter
qeth_is_my_net_if_token(struct qeth_card * card,struct net_if_token * token)60410a6cfc0SAlexandra Winter static bool qeth_is_my_net_if_token(struct qeth_card *card,
60510a6cfc0SAlexandra Winter struct net_if_token *token)
60610a6cfc0SAlexandra Winter {
60710a6cfc0SAlexandra Winter return ((card->info.ddev_devno == token->devnum) &&
60810a6cfc0SAlexandra Winter (card->info.cssid == token->cssid) &&
60910a6cfc0SAlexandra Winter (card->info.iid == token->iid) &&
61010a6cfc0SAlexandra Winter (card->info.ssid == token->ssid) &&
61110a6cfc0SAlexandra Winter (card->info.chpid == token->chpid) &&
61210a6cfc0SAlexandra Winter (card->info.chid == token->chid));
61310a6cfc0SAlexandra Winter }
61410a6cfc0SAlexandra Winter
61510a6cfc0SAlexandra Winter /**
61610a6cfc0SAlexandra Winter * qeth_l2_dev2br_fdb_notify() - update fdb of master bridge
61710a6cfc0SAlexandra Winter * @card: qeth_card structure pointer
61810a6cfc0SAlexandra Winter * @code: event bitmask: high order bit 0x80 set to
61910a6cfc0SAlexandra Winter * 1 - removal of an object
62010a6cfc0SAlexandra Winter * 0 - addition of an object
62110a6cfc0SAlexandra Winter * Object type(s):
62210a6cfc0SAlexandra Winter * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC
62310a6cfc0SAlexandra Winter * @token: "network token" structure identifying 'physical' location
62410a6cfc0SAlexandra Winter * of the target
62510a6cfc0SAlexandra Winter * @addr_lnid: structure with MAC address and VLAN ID of the target
62610a6cfc0SAlexandra Winter */
qeth_l2_dev2br_fdb_notify(struct qeth_card * card,u8 code,struct net_if_token * token,struct mac_addr_lnid * addr_lnid)62710a6cfc0SAlexandra Winter static void qeth_l2_dev2br_fdb_notify(struct qeth_card *card, u8 code,
62810a6cfc0SAlexandra Winter struct net_if_token *token,
62910a6cfc0SAlexandra Winter struct mac_addr_lnid *addr_lnid)
63010a6cfc0SAlexandra Winter {
631c35b57ceSVladimir Oltean struct switchdev_notifier_fdb_info info = {};
63210a6cfc0SAlexandra Winter u8 ntfy_mac[ETH_ALEN];
63310a6cfc0SAlexandra Winter
63410a6cfc0SAlexandra Winter ether_addr_copy(ntfy_mac, addr_lnid->mac);
63510a6cfc0SAlexandra Winter /* Ignore VLAN only changes */
63610a6cfc0SAlexandra Winter if (!(code & IPA_ADDR_CHANGE_CODE_MACADDR))
63710a6cfc0SAlexandra Winter return;
63810a6cfc0SAlexandra Winter /* Ignore mcast entries */
63910a6cfc0SAlexandra Winter if (is_multicast_ether_addr(ntfy_mac))
64010a6cfc0SAlexandra Winter return;
64110a6cfc0SAlexandra Winter /* Ignore my own addresses */
64210a6cfc0SAlexandra Winter if (qeth_is_my_net_if_token(card, token))
64310a6cfc0SAlexandra Winter return;
64410a6cfc0SAlexandra Winter
64510a6cfc0SAlexandra Winter info.addr = ntfy_mac;
64610a6cfc0SAlexandra Winter /* don't report VLAN IDs */
64710a6cfc0SAlexandra Winter info.vid = 0;
64810a6cfc0SAlexandra Winter info.added_by_user = false;
64910a6cfc0SAlexandra Winter info.offloaded = true;
65010a6cfc0SAlexandra Winter
65110a6cfc0SAlexandra Winter if (code & IPA_ADDR_CHANGE_CODE_REMOVAL) {
65210a6cfc0SAlexandra Winter call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_BRIDGE,
65310a6cfc0SAlexandra Winter card->dev, &info.info, NULL);
65410a6cfc0SAlexandra Winter QETH_CARD_TEXT(card, 4, "andelmac");
65510a6cfc0SAlexandra Winter QETH_CARD_TEXT_(card, 4,
65622e2b5cdSHeiko Carstens "mc%012llx", ether_addr_to_u64(ntfy_mac));
65710a6cfc0SAlexandra Winter } else {
65810a6cfc0SAlexandra Winter call_switchdev_notifiers(SWITCHDEV_FDB_ADD_TO_BRIDGE,
65910a6cfc0SAlexandra Winter card->dev, &info.info, NULL);
66010a6cfc0SAlexandra Winter QETH_CARD_TEXT(card, 4, "anaddmac");
66110a6cfc0SAlexandra Winter QETH_CARD_TEXT_(card, 4,
66222e2b5cdSHeiko Carstens "mc%012llx", ether_addr_to_u64(ntfy_mac));
66310a6cfc0SAlexandra Winter }
66410a6cfc0SAlexandra Winter }
66510a6cfc0SAlexandra Winter
qeth_l2_dev2br_an_set_cb(void * priv,struct chsc_pnso_naid_l2 * entry)666817741a8SAlexandra Winter static void qeth_l2_dev2br_an_set_cb(void *priv,
667817741a8SAlexandra Winter struct chsc_pnso_naid_l2 *entry)
668817741a8SAlexandra Winter {
669817741a8SAlexandra Winter u8 code = IPA_ADDR_CHANGE_CODE_MACADDR;
670817741a8SAlexandra Winter struct qeth_card *card = priv;
671817741a8SAlexandra Winter
672817741a8SAlexandra Winter if (entry->addr_lnid.lnid < VLAN_N_VID)
673817741a8SAlexandra Winter code |= IPA_ADDR_CHANGE_CODE_VLANID;
674817741a8SAlexandra Winter qeth_l2_dev2br_fdb_notify(card, code,
675817741a8SAlexandra Winter (struct net_if_token *)&entry->nit,
676817741a8SAlexandra Winter (struct mac_addr_lnid *)&entry->addr_lnid);
677817741a8SAlexandra Winter }
678817741a8SAlexandra Winter
679817741a8SAlexandra Winter /**
680817741a8SAlexandra Winter * qeth_l2_dev2br_an_set() -
681817741a8SAlexandra Winter * Enable or disable 'dev to bridge network address notification'
682817741a8SAlexandra Winter * @card: qeth_card structure pointer
683817741a8SAlexandra Winter * @enable: Enable or disable 'dev to bridge network address notification'
684817741a8SAlexandra Winter *
685817741a8SAlexandra Winter * Returns negative errno-compatible error indication or 0 on success.
686817741a8SAlexandra Winter *
687817741a8SAlexandra Winter * On enable, emits a series of address notifications for all
688817741a8SAlexandra Winter * currently registered hosts.
689817741a8SAlexandra Winter */
qeth_l2_dev2br_an_set(struct qeth_card * card,bool enable)690817741a8SAlexandra Winter static int qeth_l2_dev2br_an_set(struct qeth_card *card, bool enable)
691817741a8SAlexandra Winter {
692817741a8SAlexandra Winter int rc;
693817741a8SAlexandra Winter
694817741a8SAlexandra Winter if (enable) {
695817741a8SAlexandra Winter QETH_CARD_TEXT(card, 2, "anseton");
696817741a8SAlexandra Winter rc = qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 1,
697817741a8SAlexandra Winter qeth_l2_dev2br_an_set_cb, card);
698817741a8SAlexandra Winter if (rc == -EAGAIN)
699817741a8SAlexandra Winter /* address notification enabled, but inconsistent
700817741a8SAlexandra Winter * addresses reported -> disable address notification
701817741a8SAlexandra Winter */
702817741a8SAlexandra Winter qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 0,
703817741a8SAlexandra Winter NULL, NULL);
704817741a8SAlexandra Winter } else {
705817741a8SAlexandra Winter QETH_CARD_TEXT(card, 2, "ansetoff");
706817741a8SAlexandra Winter rc = qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 0, NULL, NULL);
707817741a8SAlexandra Winter }
708817741a8SAlexandra Winter
709817741a8SAlexandra Winter return rc;
710817741a8SAlexandra Winter }
711817741a8SAlexandra Winter
712f7936b7bSAlexandra Winter struct qeth_l2_br2dev_event_work {
713f7936b7bSAlexandra Winter struct work_struct work;
714f7936b7bSAlexandra Winter struct net_device *br_dev;
715f7936b7bSAlexandra Winter struct net_device *lsync_dev;
716f7936b7bSAlexandra Winter struct net_device *dst_dev;
717f7936b7bSAlexandra Winter unsigned long event;
718f7936b7bSAlexandra Winter unsigned char addr[ETH_ALEN];
719f7936b7bSAlexandra Winter };
720f7936b7bSAlexandra Winter
7212dbc7a1dSJulian Wiedmann static const struct net_device_ops qeth_l2_iqd_netdev_ops;
7222dbc7a1dSJulian Wiedmann static const struct net_device_ops qeth_l2_osa_netdev_ops;
7234e20e73eSAlexandra Winter
qeth_l2_must_learn(struct net_device * netdev,struct net_device * dstdev)7244e20e73eSAlexandra Winter static bool qeth_l2_must_learn(struct net_device *netdev,
7254e20e73eSAlexandra Winter struct net_device *dstdev)
7264e20e73eSAlexandra Winter {
7274e20e73eSAlexandra Winter struct qeth_priv *priv;
7284e20e73eSAlexandra Winter
7294e20e73eSAlexandra Winter priv = netdev_priv(netdev);
7304e20e73eSAlexandra Winter return (netdev != dstdev &&
7314e20e73eSAlexandra Winter (priv->brport_features & BR_LEARNING_SYNC) &&
7324e20e73eSAlexandra Winter !(br_port_flag_is_set(netdev, BR_ISOLATED) &&
7334e20e73eSAlexandra Winter br_port_flag_is_set(dstdev, BR_ISOLATED)) &&
7342dbc7a1dSJulian Wiedmann (netdev->netdev_ops == &qeth_l2_iqd_netdev_ops ||
7352dbc7a1dSJulian Wiedmann netdev->netdev_ops == &qeth_l2_osa_netdev_ops));
7364e20e73eSAlexandra Winter }
7374e20e73eSAlexandra Winter
738f7936b7bSAlexandra Winter /**
739f7936b7bSAlexandra Winter * qeth_l2_br2dev_worker() - update local MACs
740f7936b7bSAlexandra Winter * @work: bridge to device FDB update
741f7936b7bSAlexandra Winter *
742f7936b7bSAlexandra Winter * Update local MACs of a learning_sync bridgeport so it can receive
743f7936b7bSAlexandra Winter * messages for a destination port.
744f7936b7bSAlexandra Winter * In case of an isolated learning_sync port, also update its isolated
745f7936b7bSAlexandra Winter * siblings.
746f7936b7bSAlexandra Winter */
qeth_l2_br2dev_worker(struct work_struct * work)747f7936b7bSAlexandra Winter static void qeth_l2_br2dev_worker(struct work_struct *work)
748f7936b7bSAlexandra Winter {
749f7936b7bSAlexandra Winter struct qeth_l2_br2dev_event_work *br2dev_event_work =
750f7936b7bSAlexandra Winter container_of(work, struct qeth_l2_br2dev_event_work, work);
751f7936b7bSAlexandra Winter struct net_device *lsyncdev = br2dev_event_work->lsync_dev;
752f7936b7bSAlexandra Winter struct net_device *dstdev = br2dev_event_work->dst_dev;
753f7936b7bSAlexandra Winter struct net_device *brdev = br2dev_event_work->br_dev;
754f7936b7bSAlexandra Winter unsigned long event = br2dev_event_work->event;
755f7936b7bSAlexandra Winter unsigned char *addr = br2dev_event_work->addr;
756f7936b7bSAlexandra Winter struct qeth_card *card = lsyncdev->ml_priv;
757f7936b7bSAlexandra Winter struct net_device *lowerdev;
758f7936b7bSAlexandra Winter struct list_head *iter;
759f7936b7bSAlexandra Winter int err = 0;
760f7936b7bSAlexandra Winter
76122e2b5cdSHeiko Carstens QETH_CARD_TEXT_(card, 4, "b2dw%04lx", event);
76222e2b5cdSHeiko Carstens QETH_CARD_TEXT_(card, 4, "ma%012llx", ether_addr_to_u64(addr));
763f7936b7bSAlexandra Winter
764f7936b7bSAlexandra Winter rcu_read_lock();
765f7936b7bSAlexandra Winter /* Verify preconditions are still valid: */
766f7936b7bSAlexandra Winter if (!netif_is_bridge_port(lsyncdev) ||
767f7936b7bSAlexandra Winter brdev != netdev_master_upper_dev_get_rcu(lsyncdev))
768f7936b7bSAlexandra Winter goto unlock;
769f7936b7bSAlexandra Winter if (!qeth_l2_must_learn(lsyncdev, dstdev))
770f7936b7bSAlexandra Winter goto unlock;
771f7936b7bSAlexandra Winter
772f7936b7bSAlexandra Winter if (br_port_flag_is_set(lsyncdev, BR_ISOLATED)) {
773f7936b7bSAlexandra Winter /* Update lsyncdev and its isolated sibling(s): */
774f7936b7bSAlexandra Winter iter = &brdev->adj_list.lower;
775f7936b7bSAlexandra Winter lowerdev = netdev_next_lower_dev_rcu(brdev, &iter);
776f7936b7bSAlexandra Winter while (lowerdev) {
777f7936b7bSAlexandra Winter if (br_port_flag_is_set(lowerdev, BR_ISOLATED)) {
778f7936b7bSAlexandra Winter switch (event) {
779f7936b7bSAlexandra Winter case SWITCHDEV_FDB_ADD_TO_DEVICE:
780f7936b7bSAlexandra Winter err = dev_uc_add(lowerdev, addr);
781f7936b7bSAlexandra Winter break;
782f7936b7bSAlexandra Winter case SWITCHDEV_FDB_DEL_TO_DEVICE:
783f7936b7bSAlexandra Winter err = dev_uc_del(lowerdev, addr);
784f7936b7bSAlexandra Winter break;
785f7936b7bSAlexandra Winter default:
786f7936b7bSAlexandra Winter break;
787f7936b7bSAlexandra Winter }
788f7936b7bSAlexandra Winter if (err) {
789f7936b7bSAlexandra Winter QETH_CARD_TEXT(card, 2, "b2derris");
790f7936b7bSAlexandra Winter QETH_CARD_TEXT_(card, 2,
79122e2b5cdSHeiko Carstens "err%02lx%03d", event,
792f7936b7bSAlexandra Winter lowerdev->ifindex);
793f7936b7bSAlexandra Winter }
794f7936b7bSAlexandra Winter }
795f7936b7bSAlexandra Winter lowerdev = netdev_next_lower_dev_rcu(brdev, &iter);
796f7936b7bSAlexandra Winter }
797f7936b7bSAlexandra Winter } else {
798f7936b7bSAlexandra Winter switch (event) {
799f7936b7bSAlexandra Winter case SWITCHDEV_FDB_ADD_TO_DEVICE:
800f7936b7bSAlexandra Winter err = dev_uc_add(lsyncdev, addr);
801f7936b7bSAlexandra Winter break;
802f7936b7bSAlexandra Winter case SWITCHDEV_FDB_DEL_TO_DEVICE:
803f7936b7bSAlexandra Winter err = dev_uc_del(lsyncdev, addr);
804f7936b7bSAlexandra Winter break;
805f7936b7bSAlexandra Winter default:
806f7936b7bSAlexandra Winter break;
807f7936b7bSAlexandra Winter }
808f7936b7bSAlexandra Winter if (err)
80922e2b5cdSHeiko Carstens QETH_CARD_TEXT_(card, 2, "b2derr%02lx", event);
810f7936b7bSAlexandra Winter }
811f7936b7bSAlexandra Winter
812f7936b7bSAlexandra Winter unlock:
813f7936b7bSAlexandra Winter rcu_read_unlock();
814f7936b7bSAlexandra Winter dev_put(brdev);
815f7936b7bSAlexandra Winter dev_put(lsyncdev);
816f7936b7bSAlexandra Winter dev_put(dstdev);
817ebaaadc3SAlexandra Winter kfree(br2dev_event_work);
818f7936b7bSAlexandra Winter }
819f7936b7bSAlexandra Winter
qeth_l2_br2dev_queue_work(struct net_device * brdev,struct net_device * lsyncdev,struct net_device * dstdev,unsigned long event,const unsigned char * addr)820f7936b7bSAlexandra Winter static int qeth_l2_br2dev_queue_work(struct net_device *brdev,
821f7936b7bSAlexandra Winter struct net_device *lsyncdev,
822f7936b7bSAlexandra Winter struct net_device *dstdev,
823f7936b7bSAlexandra Winter unsigned long event,
824f7936b7bSAlexandra Winter const unsigned char *addr)
825f7936b7bSAlexandra Winter {
826f7936b7bSAlexandra Winter struct qeth_l2_br2dev_event_work *worker_data;
827f7936b7bSAlexandra Winter struct qeth_card *card;
828f7936b7bSAlexandra Winter
829f7936b7bSAlexandra Winter worker_data = kzalloc(sizeof(*worker_data), GFP_ATOMIC);
830f7936b7bSAlexandra Winter if (!worker_data)
831f7936b7bSAlexandra Winter return -ENOMEM;
832f7936b7bSAlexandra Winter INIT_WORK(&worker_data->work, qeth_l2_br2dev_worker);
833f7936b7bSAlexandra Winter worker_data->br_dev = brdev;
834f7936b7bSAlexandra Winter worker_data->lsync_dev = lsyncdev;
835f7936b7bSAlexandra Winter worker_data->dst_dev = dstdev;
836f7936b7bSAlexandra Winter worker_data->event = event;
837f7936b7bSAlexandra Winter ether_addr_copy(worker_data->addr, addr);
838f7936b7bSAlexandra Winter
839f7936b7bSAlexandra Winter card = lsyncdev->ml_priv;
840f7936b7bSAlexandra Winter /* Take a reference on the sw port devices and the bridge */
841f7936b7bSAlexandra Winter dev_hold(brdev);
842f7936b7bSAlexandra Winter dev_hold(lsyncdev);
843f7936b7bSAlexandra Winter dev_hold(dstdev);
844f7936b7bSAlexandra Winter queue_work(card->event_wq, &worker_data->work);
845f7936b7bSAlexandra Winter return 0;
846f7936b7bSAlexandra Winter }
847f7936b7bSAlexandra Winter
8484e20e73eSAlexandra Winter /* Called under rtnl_lock */
qeth_l2_switchdev_event(struct notifier_block * unused,unsigned long event,void * ptr)8494e20e73eSAlexandra Winter static int qeth_l2_switchdev_event(struct notifier_block *unused,
8504e20e73eSAlexandra Winter unsigned long event, void *ptr)
8514e20e73eSAlexandra Winter {
8524e20e73eSAlexandra Winter struct net_device *dstdev, *brdev, *lowerdev;
8534e20e73eSAlexandra Winter struct switchdev_notifier_fdb_info *fdb_info;
8544e20e73eSAlexandra Winter struct switchdev_notifier_info *info = ptr;
8554e20e73eSAlexandra Winter struct list_head *iter;
8564e20e73eSAlexandra Winter struct qeth_card *card;
857f7936b7bSAlexandra Winter int rc;
8584e20e73eSAlexandra Winter
8594e20e73eSAlexandra Winter if (!(event == SWITCHDEV_FDB_ADD_TO_DEVICE ||
8604e20e73eSAlexandra Winter event == SWITCHDEV_FDB_DEL_TO_DEVICE))
8614e20e73eSAlexandra Winter return NOTIFY_DONE;
8624e20e73eSAlexandra Winter
8634e20e73eSAlexandra Winter dstdev = switchdev_notifier_info_to_dev(info);
8644e20e73eSAlexandra Winter brdev = netdev_master_upper_dev_get_rcu(dstdev);
8654e20e73eSAlexandra Winter if (!brdev || !netif_is_bridge_master(brdev))
8664e20e73eSAlexandra Winter return NOTIFY_DONE;
8674e20e73eSAlexandra Winter fdb_info = container_of(info,
8684e20e73eSAlexandra Winter struct switchdev_notifier_fdb_info,
8694e20e73eSAlexandra Winter info);
8704e20e73eSAlexandra Winter iter = &brdev->adj_list.lower;
8714e20e73eSAlexandra Winter lowerdev = netdev_next_lower_dev_rcu(brdev, &iter);
8724e20e73eSAlexandra Winter while (lowerdev) {
8734e20e73eSAlexandra Winter if (qeth_l2_must_learn(lowerdev, dstdev)) {
8744e20e73eSAlexandra Winter card = lowerdev->ml_priv;
87522e2b5cdSHeiko Carstens QETH_CARD_TEXT_(card, 4, "b2dqw%03lx", event);
876f7936b7bSAlexandra Winter rc = qeth_l2_br2dev_queue_work(brdev, lowerdev,
877f7936b7bSAlexandra Winter dstdev, event,
878f7936b7bSAlexandra Winter fdb_info->addr);
879f7936b7bSAlexandra Winter if (rc) {
880f7936b7bSAlexandra Winter QETH_CARD_TEXT(card, 2, "b2dqwerr");
881f7936b7bSAlexandra Winter return NOTIFY_BAD;
882f7936b7bSAlexandra Winter }
8834e20e73eSAlexandra Winter }
8844e20e73eSAlexandra Winter lowerdev = netdev_next_lower_dev_rcu(brdev, &iter);
8854e20e73eSAlexandra Winter }
8864e20e73eSAlexandra Winter return NOTIFY_DONE;
8874e20e73eSAlexandra Winter }
8884e20e73eSAlexandra Winter
8894e20e73eSAlexandra Winter static struct notifier_block qeth_l2_sw_notifier = {
8904e20e73eSAlexandra Winter .notifier_call = qeth_l2_switchdev_event,
8914e20e73eSAlexandra Winter };
8924e20e73eSAlexandra Winter
89360bb1089SAlexandra Winter static refcount_t qeth_l2_switchdev_notify_refcnt;
89460bb1089SAlexandra Winter
89560bb1089SAlexandra Winter /* Called under rtnl_lock */
qeth_l2_br2dev_get(void)89660bb1089SAlexandra Winter static void qeth_l2_br2dev_get(void)
89760bb1089SAlexandra Winter {
8984e20e73eSAlexandra Winter int rc;
8994e20e73eSAlexandra Winter
90060bb1089SAlexandra Winter if (!refcount_inc_not_zero(&qeth_l2_switchdev_notify_refcnt)) {
9014e20e73eSAlexandra Winter rc = register_switchdev_notifier(&qeth_l2_sw_notifier);
9024e20e73eSAlexandra Winter if (rc) {
9034e20e73eSAlexandra Winter QETH_DBF_MESSAGE(2,
9044e20e73eSAlexandra Winter "failed to register qeth_l2_sw_notifier: %d\n",
9054e20e73eSAlexandra Winter rc);
9064e20e73eSAlexandra Winter } else {
90760bb1089SAlexandra Winter refcount_set(&qeth_l2_switchdev_notify_refcnt, 1);
90860bb1089SAlexandra Winter QETH_DBF_MESSAGE(2, "qeth_l2_sw_notifier registered\n");
90960bb1089SAlexandra Winter }
9104e20e73eSAlexandra Winter }
91160bb1089SAlexandra Winter QETH_DBF_TEXT_(SETUP, 2, "b2d+%04d",
91260bb1089SAlexandra Winter qeth_l2_switchdev_notify_refcnt.refs.counter);
91360bb1089SAlexandra Winter }
91460bb1089SAlexandra Winter
91560bb1089SAlexandra Winter /* Called under rtnl_lock */
qeth_l2_br2dev_put(void)91660bb1089SAlexandra Winter static void qeth_l2_br2dev_put(void)
91760bb1089SAlexandra Winter {
9184e20e73eSAlexandra Winter int rc;
9194e20e73eSAlexandra Winter
92060bb1089SAlexandra Winter if (refcount_dec_and_test(&qeth_l2_switchdev_notify_refcnt)) {
9214e20e73eSAlexandra Winter rc = unregister_switchdev_notifier(&qeth_l2_sw_notifier);
9224e20e73eSAlexandra Winter if (rc) {
9234e20e73eSAlexandra Winter QETH_DBF_MESSAGE(2,
9244e20e73eSAlexandra Winter "failed to unregister qeth_l2_sw_notifier: %d\n",
9254e20e73eSAlexandra Winter rc);
9264e20e73eSAlexandra Winter } else {
9274e20e73eSAlexandra Winter QETH_DBF_MESSAGE(2,
9284e20e73eSAlexandra Winter "qeth_l2_sw_notifier unregistered\n");
9294e20e73eSAlexandra Winter }
93060bb1089SAlexandra Winter }
93160bb1089SAlexandra Winter QETH_DBF_TEXT_(SETUP, 2, "b2d-%04d",
93260bb1089SAlexandra Winter qeth_l2_switchdev_notify_refcnt.refs.counter);
93360bb1089SAlexandra Winter }
93460bb1089SAlexandra Winter
qeth_l2_bridge_getlink(struct sk_buff * skb,u32 pid,u32 seq,struct net_device * dev,u32 filter_mask,int nlflags)935780b6e7dSAlexandra Winter static int qeth_l2_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
936780b6e7dSAlexandra Winter struct net_device *dev, u32 filter_mask,
937780b6e7dSAlexandra Winter int nlflags)
938780b6e7dSAlexandra Winter {
939780b6e7dSAlexandra Winter struct qeth_priv *priv = netdev_priv(dev);
940780b6e7dSAlexandra Winter struct qeth_card *card = dev->ml_priv;
941780b6e7dSAlexandra Winter u16 mode = BRIDGE_MODE_UNDEF;
942780b6e7dSAlexandra Winter
943780b6e7dSAlexandra Winter /* Do not even show qeth devs that cannot do bridge_setlink */
944780b6e7dSAlexandra Winter if (!priv->brport_hw_features || !netif_device_present(dev) ||
945780b6e7dSAlexandra Winter qeth_bridgeport_is_in_use(card))
946780b6e7dSAlexandra Winter return -EOPNOTSUPP;
947780b6e7dSAlexandra Winter
948780b6e7dSAlexandra Winter return ndo_dflt_bridge_getlink(skb, pid, seq, dev,
949780b6e7dSAlexandra Winter mode, priv->brport_features,
950780b6e7dSAlexandra Winter priv->brport_hw_features,
951780b6e7dSAlexandra Winter nlflags, filter_mask, NULL);
952780b6e7dSAlexandra Winter }
953780b6e7dSAlexandra Winter
954521c65b6SAlexandra Winter static const struct nla_policy qeth_brport_policy[IFLA_BRPORT_MAX + 1] = {
955521c65b6SAlexandra Winter [IFLA_BRPORT_LEARNING_SYNC] = { .type = NLA_U8 },
956521c65b6SAlexandra Winter };
957521c65b6SAlexandra Winter
958521c65b6SAlexandra Winter /**
959521c65b6SAlexandra Winter * qeth_l2_bridge_setlink() - set bridgeport attributes
960521c65b6SAlexandra Winter * @dev: netdevice
961521c65b6SAlexandra Winter * @nlh: netlink message header
962521c65b6SAlexandra Winter * @flags: bridge flags (here: BRIDGE_FLAGS_SELF)
963521c65b6SAlexandra Winter * @extack: extended ACK report struct
964521c65b6SAlexandra Winter *
965521c65b6SAlexandra Winter * Called under rtnl_lock
966521c65b6SAlexandra Winter */
qeth_l2_bridge_setlink(struct net_device * dev,struct nlmsghdr * nlh,u16 flags,struct netlink_ext_ack * extack)967521c65b6SAlexandra Winter static int qeth_l2_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh,
968521c65b6SAlexandra Winter u16 flags, struct netlink_ext_ack *extack)
969521c65b6SAlexandra Winter {
970521c65b6SAlexandra Winter struct qeth_priv *priv = netdev_priv(dev);
971521c65b6SAlexandra Winter struct nlattr *bp_tb[IFLA_BRPORT_MAX + 1];
972521c65b6SAlexandra Winter struct qeth_card *card = dev->ml_priv;
973521c65b6SAlexandra Winter struct nlattr *attr, *nested_attr;
974521c65b6SAlexandra Winter bool enable, has_protinfo = false;
975521c65b6SAlexandra Winter int rem1, rem2;
976521c65b6SAlexandra Winter int rc;
977521c65b6SAlexandra Winter
978521c65b6SAlexandra Winter if (!netif_device_present(dev))
979521c65b6SAlexandra Winter return -ENODEV;
980521c65b6SAlexandra Winter
981521c65b6SAlexandra Winter nlmsg_for_each_attr(attr, nlh, sizeof(struct ifinfomsg), rem1) {
982521c65b6SAlexandra Winter if (nla_type(attr) == IFLA_PROTINFO) {
983521c65b6SAlexandra Winter rc = nla_parse_nested(bp_tb, IFLA_BRPORT_MAX, attr,
984521c65b6SAlexandra Winter qeth_brport_policy, extack);
985521c65b6SAlexandra Winter if (rc)
986521c65b6SAlexandra Winter return rc;
987521c65b6SAlexandra Winter has_protinfo = true;
988521c65b6SAlexandra Winter } else if (nla_type(attr) == IFLA_AF_SPEC) {
989521c65b6SAlexandra Winter nla_for_each_nested(nested_attr, attr, rem2) {
990521c65b6SAlexandra Winter if (nla_type(nested_attr) == IFLA_BRIDGE_FLAGS)
991521c65b6SAlexandra Winter continue;
992521c65b6SAlexandra Winter NL_SET_ERR_MSG_ATTR(extack, nested_attr,
993521c65b6SAlexandra Winter "Unsupported attribute");
994521c65b6SAlexandra Winter return -EINVAL;
995521c65b6SAlexandra Winter }
996521c65b6SAlexandra Winter } else {
997521c65b6SAlexandra Winter NL_SET_ERR_MSG_ATTR(extack, attr, "Unsupported attribute");
998521c65b6SAlexandra Winter return -EINVAL;
999521c65b6SAlexandra Winter }
1000521c65b6SAlexandra Winter }
1001521c65b6SAlexandra Winter if (!has_protinfo)
1002521c65b6SAlexandra Winter return 0;
1003521c65b6SAlexandra Winter if (!bp_tb[IFLA_BRPORT_LEARNING_SYNC])
1004521c65b6SAlexandra Winter return -EINVAL;
1005953fb4dcSAlexandra Winter if (!(priv->brport_hw_features & BR_LEARNING_SYNC)) {
1006953fb4dcSAlexandra Winter NL_SET_ERR_MSG_ATTR(extack, bp_tb[IFLA_BRPORT_LEARNING_SYNC],
1007953fb4dcSAlexandra Winter "Operation not supported by HW");
1008953fb4dcSAlexandra Winter return -EOPNOTSUPP;
1009953fb4dcSAlexandra Winter }
1010953fb4dcSAlexandra Winter if (!IS_ENABLED(CONFIG_NET_SWITCHDEV)) {
1011953fb4dcSAlexandra Winter NL_SET_ERR_MSG_ATTR(extack, bp_tb[IFLA_BRPORT_LEARNING_SYNC],
1012953fb4dcSAlexandra Winter "Requires NET_SWITCHDEV");
1013953fb4dcSAlexandra Winter return -EOPNOTSUPP;
1014953fb4dcSAlexandra Winter }
1015521c65b6SAlexandra Winter enable = !!nla_get_u8(bp_tb[IFLA_BRPORT_LEARNING_SYNC]);
1016521c65b6SAlexandra Winter
1017521c65b6SAlexandra Winter if (enable == !!(priv->brport_features & BR_LEARNING_SYNC))
1018521c65b6SAlexandra Winter return 0;
1019521c65b6SAlexandra Winter
1020521c65b6SAlexandra Winter mutex_lock(&card->sbp_lock);
1021521c65b6SAlexandra Winter /* do not change anything if BridgePort is enabled */
1022521c65b6SAlexandra Winter if (qeth_bridgeport_is_in_use(card)) {
1023521c65b6SAlexandra Winter NL_SET_ERR_MSG(extack, "n/a (BridgePort)");
1024521c65b6SAlexandra Winter rc = -EBUSY;
1025521c65b6SAlexandra Winter } else if (enable) {
1026521c65b6SAlexandra Winter qeth_l2_set_pnso_mode(card, QETH_PNSO_ADDR_INFO);
1027521c65b6SAlexandra Winter rc = qeth_l2_dev2br_an_set(card, true);
102860bb1089SAlexandra Winter if (rc) {
1029521c65b6SAlexandra Winter qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
103060bb1089SAlexandra Winter } else {
1031521c65b6SAlexandra Winter priv->brport_features |= BR_LEARNING_SYNC;
103260bb1089SAlexandra Winter qeth_l2_br2dev_get();
103360bb1089SAlexandra Winter }
1034521c65b6SAlexandra Winter } else {
1035521c65b6SAlexandra Winter rc = qeth_l2_dev2br_an_set(card, false);
1036521c65b6SAlexandra Winter if (!rc) {
1037521c65b6SAlexandra Winter qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
1038521c65b6SAlexandra Winter priv->brport_features ^= BR_LEARNING_SYNC;
1039521c65b6SAlexandra Winter qeth_l2_dev2br_fdb_flush(card);
104060bb1089SAlexandra Winter qeth_l2_br2dev_put();
1041521c65b6SAlexandra Winter }
1042521c65b6SAlexandra Winter }
1043521c65b6SAlexandra Winter mutex_unlock(&card->sbp_lock);
1044521c65b6SAlexandra Winter
1045521c65b6SAlexandra Winter return rc;
1046521c65b6SAlexandra Winter }
1047521c65b6SAlexandra Winter
10482dbc7a1dSJulian Wiedmann static const struct net_device_ops qeth_l2_iqd_netdev_ops = {
10492dbc7a1dSJulian Wiedmann .ndo_open = qeth_open,
10502dbc7a1dSJulian Wiedmann .ndo_stop = qeth_stop,
10512dbc7a1dSJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64,
10522dbc7a1dSJulian Wiedmann .ndo_start_xmit = qeth_l2_hard_start_xmit,
10532dbc7a1dSJulian Wiedmann .ndo_features_check = qeth_features_check,
10541b9e410fSJulian Wiedmann .ndo_select_queue = qeth_l2_iqd_select_queue,
10552dbc7a1dSJulian Wiedmann .ndo_validate_addr = qeth_l2_validate_addr,
10562dbc7a1dSJulian Wiedmann .ndo_set_rx_mode = qeth_l2_set_rx_mode,
10572dbc7a1dSJulian Wiedmann .ndo_eth_ioctl = qeth_do_ioctl,
10582dbc7a1dSJulian Wiedmann .ndo_siocdevprivate = qeth_siocdevprivate,
10592dbc7a1dSJulian Wiedmann .ndo_set_mac_address = qeth_l2_set_mac_address,
10602dbc7a1dSJulian Wiedmann .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid,
10612dbc7a1dSJulian Wiedmann .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid,
10622dbc7a1dSJulian Wiedmann .ndo_tx_timeout = qeth_tx_timeout,
10632dbc7a1dSJulian Wiedmann .ndo_fix_features = qeth_fix_features,
10642dbc7a1dSJulian Wiedmann .ndo_set_features = qeth_set_features,
10652dbc7a1dSJulian Wiedmann .ndo_bridge_getlink = qeth_l2_bridge_getlink,
10662dbc7a1dSJulian Wiedmann .ndo_bridge_setlink = qeth_l2_bridge_setlink,
10672dbc7a1dSJulian Wiedmann };
10682dbc7a1dSJulian Wiedmann
10692dbc7a1dSJulian Wiedmann static const struct net_device_ops qeth_l2_osa_netdev_ops = {
1070e22355eaSJulian Wiedmann .ndo_open = qeth_open,
1071e22355eaSJulian Wiedmann .ndo_stop = qeth_stop,
1072b0abc4f5SJulian Wiedmann .ndo_get_stats64 = qeth_get_stats64,
10738403b13cSFrank Blaschka .ndo_start_xmit = qeth_l2_hard_start_xmit,
10746d69b1f1SJulian Wiedmann .ndo_features_check = qeth_features_check,
10751b9e410fSJulian Wiedmann .ndo_select_queue = qeth_osa_select_queue,
1076e22355eaSJulian Wiedmann .ndo_validate_addr = qeth_l2_validate_addr,
1077fe5c8028SLakhvich Dmitriy .ndo_set_rx_mode = qeth_l2_set_rx_mode,
1078a7605370SArnd Bergmann .ndo_eth_ioctl = qeth_do_ioctl,
107918787eeeSArnd Bergmann .ndo_siocdevprivate = qeth_siocdevprivate,
10808403b13cSFrank Blaschka .ndo_set_mac_address = qeth_l2_set_mac_address,
10818403b13cSFrank Blaschka .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid,
10828403b13cSFrank Blaschka .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid,
10838403b13cSFrank Blaschka .ndo_tx_timeout = qeth_tx_timeout,
10848f43fb00SThomas Richter .ndo_fix_features = qeth_fix_features,
1085780b6e7dSAlexandra Winter .ndo_set_features = qeth_set_features,
10868403b13cSFrank Blaschka };
10878403b13cSFrank Blaschka
qeth_l2_setup_netdev(struct qeth_card * card)1088cd652be5SJulian Wiedmann static int qeth_l2_setup_netdev(struct qeth_card *card)
10894a71df50SFrank Blaschka {
10902dbc7a1dSJulian Wiedmann card->dev->netdev_ops = IS_IQD(card) ? &qeth_l2_iqd_netdev_ops :
10912dbc7a1dSJulian Wiedmann &qeth_l2_osa_netdev_ops;
10925f89eca5SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr);
10938024cc9eSJulian Wiedmann card->dev->priv_flags |= IFF_UNICAST_FLT;
10949400c53fSJulian Wiedmann
10955fc692a7SJulian Wiedmann if (IS_OSM(card)) {
10969400c53fSJulian Wiedmann card->dev->features |= NETIF_F_VLAN_CHALLENGED;
10975fc692a7SJulian Wiedmann } else {
10985fc692a7SJulian Wiedmann if (!IS_VM_NIC(card))
10995fc692a7SJulian Wiedmann card->dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
1100f646968fSPatrick McHardy card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
11015fc692a7SJulian Wiedmann }
11020f342945SJulian Wiedmann
1103379ac99eSJulian Wiedmann if (IS_OSD(card) && !IS_VM_NIC(card)) {
11046d69b1f1SJulian Wiedmann card->dev->features |= NETIF_F_SG;
11058f43fb00SThomas Richter /* OSA 3S and earlier has no RX/TX support */
11069bdc4411SHans Wippel if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) {
11078f43fb00SThomas Richter card->dev->hw_features |= NETIF_F_IP_CSUM;
11089bdc4411SHans Wippel card->dev->vlan_features |= NETIF_F_IP_CSUM;
11099bdc4411SHans Wippel }
11104d7def2aSThomas Richter }
1111571f9dd8SKittipon Meesompop if (qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) {
1112571f9dd8SKittipon Meesompop card->dev->hw_features |= NETIF_F_IPV6_CSUM;
1113571f9dd8SKittipon Meesompop card->dev->vlan_features |= NETIF_F_IPV6_CSUM;
1114571f9dd8SKittipon Meesompop }
1115d7e6ed97SKittipon Meesompop if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM) ||
1116d7e6ed97SKittipon Meesompop qeth_is_supported6(card, IPA_INBOUND_CHECKSUM_V6)) {
1117d7e6ed97SKittipon Meesompop card->dev->hw_features |= NETIF_F_RXCSUM;
1118d7e6ed97SKittipon Meesompop card->dev->vlan_features |= NETIF_F_RXCSUM;
1119d7e6ed97SKittipon Meesompop }
11200aef8392SJulian Wiedmann if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) {
11210aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO;
11220aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO;
11230aef8392SJulian Wiedmann }
11240aef8392SJulian Wiedmann if (qeth_is_supported6(card, IPA_OUTBOUND_TSO)) {
11250aef8392SJulian Wiedmann card->dev->hw_features |= NETIF_F_TSO6;
11260aef8392SJulian Wiedmann card->dev->vlan_features |= NETIF_F_TSO6;
11270aef8392SJulian Wiedmann }
11280aef8392SJulian Wiedmann
11290aef8392SJulian Wiedmann if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) {
11300aef8392SJulian Wiedmann card->dev->needed_headroom = sizeof(struct qeth_hdr_tso);
1131c619e9a6SJulian Wiedmann netif_keep_dst(card->dev);
1132ee8b7a11SJakub Kicinski netif_set_tso_max_size(card->dev,
11330aef8392SJulian Wiedmann PAGE_SIZE * (QDIO_MAX_ELEMENTS_PER_BUFFER - 1));
11340aef8392SJulian Wiedmann }
11350d6f02d3SJulian Wiedmann
1136b48b89f9SJakub Kicinski netif_napi_add(card->dev, &card->napi, qeth_poll);
1137cd652be5SJulian Wiedmann return register_netdev(card->dev);
11384a71df50SFrank Blaschka }
11394a71df50SFrank Blaschka
qeth_l2_trace_features(struct qeth_card * card)1140521c10eaSJulian Wiedmann static void qeth_l2_trace_features(struct qeth_card *card)
1141521c10eaSJulian Wiedmann {
1142a45b3fafSHans Wippel /* Set BridgePort features */
1143a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "featuSBP");
1144521c10eaSJulian Wiedmann QETH_CARD_HEX(card, 2, &card->options.sbp.supported_funcs,
1145521c10eaSJulian Wiedmann sizeof(card->options.sbp.supported_funcs));
1146a45b3fafSHans Wippel /* VNIC Characteristics features */
1147a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "feaVNICC");
1148a45b3fafSHans Wippel QETH_CARD_HEX(card, 2, &card->options.vnicc.sup_chars,
1149a45b3fafSHans Wippel sizeof(card->options.vnicc.sup_chars));
1150521c10eaSJulian Wiedmann }
1151521c10eaSJulian Wiedmann
qeth_l2_setup_bridgeport_attrs(struct qeth_card * card)11528ca769e2SJulian Wiedmann static void qeth_l2_setup_bridgeport_attrs(struct qeth_card *card)
11538ca769e2SJulian Wiedmann {
11548ca769e2SJulian Wiedmann if (!card->options.sbp.reflect_promisc &&
11558ca769e2SJulian Wiedmann card->options.sbp.role != QETH_SBP_ROLE_NONE) {
11568ca769e2SJulian Wiedmann /* Conditional to avoid spurious error messages */
11578ca769e2SJulian Wiedmann qeth_bridgeport_setrole(card, card->options.sbp.role);
11588ca769e2SJulian Wiedmann /* Let the callback function refresh the stored role value. */
11598ca769e2SJulian Wiedmann qeth_bridgeport_query_ports(card, &card->options.sbp.role,
11608ca769e2SJulian Wiedmann NULL);
11618ca769e2SJulian Wiedmann }
11628ca769e2SJulian Wiedmann if (card->options.sbp.hostnotification) {
11638ca769e2SJulian Wiedmann if (qeth_bridgeport_an_set(card, 1))
11648ca769e2SJulian Wiedmann card->options.sbp.hostnotification = 0;
11658ca769e2SJulian Wiedmann }
11668ca769e2SJulian Wiedmann }
11678ca769e2SJulian Wiedmann
1168fa115adfSAlexandra Winter /**
1169fa115adfSAlexandra Winter * qeth_l2_detect_dev2br_support() -
1170fa115adfSAlexandra Winter * Detect whether this card supports 'dev to bridge fdb network address
1171fa115adfSAlexandra Winter * change notification' and thus can support the learning_sync bridgeport
1172fa115adfSAlexandra Winter * attribute
1173fa115adfSAlexandra Winter * @card: qeth_card structure pointer
1174fa115adfSAlexandra Winter */
qeth_l2_detect_dev2br_support(struct qeth_card * card)1175fa115adfSAlexandra Winter static void qeth_l2_detect_dev2br_support(struct qeth_card *card)
1176fa115adfSAlexandra Winter {
1177fa115adfSAlexandra Winter struct qeth_priv *priv = netdev_priv(card->dev);
1178fa115adfSAlexandra Winter bool dev2br_supported;
1179fa115adfSAlexandra Winter
1180fa115adfSAlexandra Winter QETH_CARD_TEXT(card, 2, "d2brsup");
1181fa115adfSAlexandra Winter if (!IS_IQD(card))
1182fa115adfSAlexandra Winter return;
1183fa115adfSAlexandra Winter
1184fa115adfSAlexandra Winter /* dev2br requires valid cssid,iid,chid */
11850d0e2b53SAlexandra Winter dev2br_supported = card->info.ids_valid &&
11860d0e2b53SAlexandra Winter css_general_characteristics.enarf;
1187fa115adfSAlexandra Winter QETH_CARD_TEXT_(card, 2, "D2Bsup%02x", dev2br_supported);
1188fa115adfSAlexandra Winter
1189fa115adfSAlexandra Winter if (dev2br_supported)
1190fa115adfSAlexandra Winter priv->brport_hw_features |= BR_LEARNING_SYNC;
1191fa115adfSAlexandra Winter else
1192fa115adfSAlexandra Winter priv->brport_hw_features &= ~BR_LEARNING_SYNC;
1193fa115adfSAlexandra Winter }
1194fa115adfSAlexandra Winter
qeth_l2_enable_brport_features(struct qeth_card * card)1195521c65b6SAlexandra Winter static void qeth_l2_enable_brport_features(struct qeth_card *card)
1196521c65b6SAlexandra Winter {
1197521c65b6SAlexandra Winter struct qeth_priv *priv = netdev_priv(card->dev);
1198521c65b6SAlexandra Winter int rc;
1199521c65b6SAlexandra Winter
1200521c65b6SAlexandra Winter if (priv->brport_features & BR_LEARNING_SYNC) {
1201521c65b6SAlexandra Winter if (priv->brport_hw_features & BR_LEARNING_SYNC) {
1202521c65b6SAlexandra Winter qeth_l2_set_pnso_mode(card, QETH_PNSO_ADDR_INFO);
1203521c65b6SAlexandra Winter rc = qeth_l2_dev2br_an_set(card, true);
1204521c65b6SAlexandra Winter if (rc == -EAGAIN) {
1205521c65b6SAlexandra Winter /* Recoverable error, retry once */
1206521c65b6SAlexandra Winter qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
1207521c65b6SAlexandra Winter qeth_l2_dev2br_fdb_flush(card);
1208521c65b6SAlexandra Winter qeth_l2_set_pnso_mode(card, QETH_PNSO_ADDR_INFO);
1209521c65b6SAlexandra Winter rc = qeth_l2_dev2br_an_set(card, true);
1210521c65b6SAlexandra Winter }
1211521c65b6SAlexandra Winter if (rc) {
1212521c65b6SAlexandra Winter netdev_err(card->dev,
1213521c65b6SAlexandra Winter "failed to enable bridge learning_sync: %d\n",
1214521c65b6SAlexandra Winter rc);
1215521c65b6SAlexandra Winter qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
1216521c65b6SAlexandra Winter qeth_l2_dev2br_fdb_flush(card);
1217521c65b6SAlexandra Winter priv->brport_features ^= BR_LEARNING_SYNC;
1218521c65b6SAlexandra Winter }
1219521c65b6SAlexandra Winter } else {
1220521c65b6SAlexandra Winter dev_warn(&card->gdev->dev,
1221521c65b6SAlexandra Winter "bridge learning_sync not supported\n");
1222521c65b6SAlexandra Winter priv->brport_features ^= BR_LEARNING_SYNC;
1223521c65b6SAlexandra Winter }
1224521c65b6SAlexandra Winter }
1225521c65b6SAlexandra Winter }
1226521c65b6SAlexandra Winter
1227b4d72c08SEugene Crosser /* SETBRIDGEPORT support, async notifications */
1228b4d72c08SEugene Crosser
12299f48b9dbSEugene Crosser enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset};
12309f48b9dbSEugene Crosser
12319f48b9dbSEugene Crosser /**
12329f48b9dbSEugene Crosser * qeth_bridge_emit_host_event() - bridgeport address change notification
12339f48b9dbSEugene Crosser * @card: qeth_card structure pointer, for udev events.
12349f48b9dbSEugene Crosser * @evtype: "normal" register/unregister, or abort, or reset. For abort
12359f48b9dbSEugene Crosser * and reset token and addr_lnid are unused and may be NULL.
12369f48b9dbSEugene Crosser * @code: event bitmask: high order bit 0x80 value 1 means removal of an
12379f48b9dbSEugene Crosser * object, 0 - addition of an object.
12389f48b9dbSEugene Crosser * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC.
12399f48b9dbSEugene Crosser * @token: "network token" structure identifying physical address of the port.
12409f48b9dbSEugene Crosser * @addr_lnid: pointer to structure with MAC address and VLAN ID.
12419f48b9dbSEugene Crosser *
12429f48b9dbSEugene Crosser * This function is called when registrations and deregistrations are
12439f48b9dbSEugene Crosser * reported by the hardware, and also when notifications are enabled -
12449f48b9dbSEugene Crosser * for all currently registered addresses.
12459f48b9dbSEugene Crosser */
qeth_bridge_emit_host_event(struct qeth_card * card,enum qeth_an_event_type evtype,u8 code,struct net_if_token * token,struct mac_addr_lnid * addr_lnid)12469f48b9dbSEugene Crosser static void qeth_bridge_emit_host_event(struct qeth_card *card,
12479f48b9dbSEugene Crosser enum qeth_an_event_type evtype,
1248a0138f59SAlexandra Winter u8 code,
1249a0138f59SAlexandra Winter struct net_if_token *token,
1250a0138f59SAlexandra Winter struct mac_addr_lnid *addr_lnid)
12519f48b9dbSEugene Crosser {
12529f48b9dbSEugene Crosser char str[7][32];
12539f48b9dbSEugene Crosser char *env[8];
12549f48b9dbSEugene Crosser int i = 0;
12559f48b9dbSEugene Crosser
12569f48b9dbSEugene Crosser switch (evtype) {
12579f48b9dbSEugene Crosser case anev_reg_unreg:
125874c05a38SThorsten Winkler scnprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s",
12599f48b9dbSEugene Crosser (code & IPA_ADDR_CHANGE_CODE_REMOVAL)
12609f48b9dbSEugene Crosser ? "deregister" : "register");
12619f48b9dbSEugene Crosser env[i] = str[i]; i++;
12629f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_VLANID) {
126374c05a38SThorsten Winkler scnprintf(str[i], sizeof(str[i]), "VLAN=%d",
12649f48b9dbSEugene Crosser addr_lnid->lnid);
12659f48b9dbSEugene Crosser env[i] = str[i]; i++;
12669f48b9dbSEugene Crosser }
12679f48b9dbSEugene Crosser if (code & IPA_ADDR_CHANGE_CODE_MACADDR) {
126874c05a38SThorsten Winkler scnprintf(str[i], sizeof(str[i]), "MAC=%pM",
12699846e70bSEugene Crosser addr_lnid->mac);
12709f48b9dbSEugene Crosser env[i] = str[i]; i++;
12719f48b9dbSEugene Crosser }
127274c05a38SThorsten Winkler scnprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x",
12739f48b9dbSEugene Crosser token->cssid, token->ssid, token->devnum);
12749f48b9dbSEugene Crosser env[i] = str[i]; i++;
127574c05a38SThorsten Winkler scnprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid);
12769f48b9dbSEugene Crosser env[i] = str[i]; i++;
127774c05a38SThorsten Winkler scnprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x",
12789f48b9dbSEugene Crosser token->chpid);
12799f48b9dbSEugene Crosser env[i] = str[i]; i++;
128074c05a38SThorsten Winkler scnprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x",
128174c05a38SThorsten Winkler token->chid);
12829f48b9dbSEugene Crosser env[i] = str[i]; i++;
12839f48b9dbSEugene Crosser break;
12849f48b9dbSEugene Crosser case anev_abort:
128574c05a38SThorsten Winkler scnprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort");
12869f48b9dbSEugene Crosser env[i] = str[i]; i++;
12879f48b9dbSEugene Crosser break;
12889f48b9dbSEugene Crosser case anev_reset:
128974c05a38SThorsten Winkler scnprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset");
12909f48b9dbSEugene Crosser env[i] = str[i]; i++;
12919f48b9dbSEugene Crosser break;
12929f48b9dbSEugene Crosser }
12939f48b9dbSEugene Crosser env[i] = NULL;
12949f48b9dbSEugene Crosser kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env);
12959f48b9dbSEugene Crosser }
12969f48b9dbSEugene Crosser
1297b4d72c08SEugene Crosser struct qeth_bridge_state_data {
1298b4d72c08SEugene Crosser struct work_struct worker;
1299b4d72c08SEugene Crosser struct qeth_card *card;
130061c6f217SJulian Wiedmann u8 role;
130161c6f217SJulian Wiedmann u8 state;
1302b4d72c08SEugene Crosser };
1303b4d72c08SEugene Crosser
qeth_bridge_state_change_worker(struct work_struct * work)1304b4d72c08SEugene Crosser static void qeth_bridge_state_change_worker(struct work_struct *work)
1305b4d72c08SEugene Crosser {
1306b4d72c08SEugene Crosser struct qeth_bridge_state_data *data =
1307b4d72c08SEugene Crosser container_of(work, struct qeth_bridge_state_data, worker);
1308b4d72c08SEugene Crosser char env_locrem[32];
1309b4d72c08SEugene Crosser char env_role[32];
1310b4d72c08SEugene Crosser char env_state[32];
1311b4d72c08SEugene Crosser char *env[] = {
1312b4d72c08SEugene Crosser env_locrem,
1313b4d72c08SEugene Crosser env_role,
1314b4d72c08SEugene Crosser env_state,
1315b4d72c08SEugene Crosser NULL
1316b4d72c08SEugene Crosser };
1317b4d72c08SEugene Crosser
131874c05a38SThorsten Winkler scnprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange");
131974c05a38SThorsten Winkler scnprintf(env_role, sizeof(env_role), "ROLE=%s",
132061c6f217SJulian Wiedmann (data->role == QETH_SBP_ROLE_NONE) ? "none" :
132161c6f217SJulian Wiedmann (data->role == QETH_SBP_ROLE_PRIMARY) ? "primary" :
132261c6f217SJulian Wiedmann (data->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" :
1323b4d72c08SEugene Crosser "<INVALID>");
132474c05a38SThorsten Winkler scnprintf(env_state, sizeof(env_state), "STATE=%s",
132561c6f217SJulian Wiedmann (data->state == QETH_SBP_STATE_INACTIVE) ? "inactive" :
132661c6f217SJulian Wiedmann (data->state == QETH_SBP_STATE_STANDBY) ? "standby" :
132761c6f217SJulian Wiedmann (data->state == QETH_SBP_STATE_ACTIVE) ? "active" :
1328b4d72c08SEugene Crosser "<INVALID>");
1329b4d72c08SEugene Crosser kobject_uevent_env(&data->card->gdev->dev.kobj,
1330b4d72c08SEugene Crosser KOBJ_CHANGE, env);
1331b4d72c08SEugene Crosser kfree(data);
1332b4d72c08SEugene Crosser }
1333b4d72c08SEugene Crosser
qeth_bridge_state_change(struct qeth_card * card,struct qeth_ipa_cmd * cmd)1334c044dc21SEugene Crosser static void qeth_bridge_state_change(struct qeth_card *card,
1335c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd)
1336b4d72c08SEugene Crosser {
133765b0494eSJulian Wiedmann struct qeth_sbp_port_data *qports = &cmd->data.sbp.data.port_data;
1338b4d72c08SEugene Crosser struct qeth_bridge_state_data *data;
1339b4d72c08SEugene Crosser
1340b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brstchng");
134102472e28SJulian Wiedmann if (qports->num_entries == 0) {
134202472e28SJulian Wiedmann QETH_CARD_TEXT(card, 2, "BPempty");
134302472e28SJulian Wiedmann return;
134402472e28SJulian Wiedmann }
1345b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) {
13468a593148SThomas Richter QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length);
1347b4d72c08SEugene Crosser return;
1348b4d72c08SEugene Crosser }
134961c6f217SJulian Wiedmann
135061c6f217SJulian Wiedmann data = kzalloc(sizeof(*data), GFP_ATOMIC);
1351b4d72c08SEugene Crosser if (!data) {
1352b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "BPSalloc");
1353b4d72c08SEugene Crosser return;
1354b4d72c08SEugene Crosser }
1355b4d72c08SEugene Crosser INIT_WORK(&data->worker, qeth_bridge_state_change_worker);
1356b4d72c08SEugene Crosser data->card = card;
135761c6f217SJulian Wiedmann /* Information for the local port: */
135861c6f217SJulian Wiedmann data->role = qports->entry[0].role;
135961c6f217SJulian Wiedmann data->state = qports->entry[0].state;
136061c6f217SJulian Wiedmann
1361c0a2e4d1SJulian Wiedmann queue_work(card->event_wq, &data->worker);
1362b4d72c08SEugene Crosser }
1363b4d72c08SEugene Crosser
1364a0138f59SAlexandra Winter struct qeth_addr_change_data {
13659d6a569aSJulian Wiedmann struct delayed_work dwork;
13669f48b9dbSEugene Crosser struct qeth_card *card;
1367a0138f59SAlexandra Winter struct qeth_ipacmd_addr_change ac_event;
13689f48b9dbSEugene Crosser };
13699f48b9dbSEugene Crosser
qeth_l2_dev2br_worker(struct work_struct * work)137010a6cfc0SAlexandra Winter static void qeth_l2_dev2br_worker(struct work_struct *work)
137110a6cfc0SAlexandra Winter {
137210a6cfc0SAlexandra Winter struct delayed_work *dwork = to_delayed_work(work);
137310a6cfc0SAlexandra Winter struct qeth_addr_change_data *data;
137410a6cfc0SAlexandra Winter struct qeth_card *card;
1375817741a8SAlexandra Winter struct qeth_priv *priv;
137610a6cfc0SAlexandra Winter unsigned int i;
1377817741a8SAlexandra Winter int rc;
137810a6cfc0SAlexandra Winter
137910a6cfc0SAlexandra Winter data = container_of(dwork, struct qeth_addr_change_data, dwork);
138010a6cfc0SAlexandra Winter card = data->card;
1381817741a8SAlexandra Winter priv = netdev_priv(card->dev);
138210a6cfc0SAlexandra Winter
138310a6cfc0SAlexandra Winter QETH_CARD_TEXT(card, 4, "dev2brew");
138410a6cfc0SAlexandra Winter
138510a6cfc0SAlexandra Winter if (READ_ONCE(card->info.pnso_mode) == QETH_PNSO_NONE)
138610a6cfc0SAlexandra Winter goto free;
138710a6cfc0SAlexandra Winter
138809840f70SJulian Wiedmann if (data->ac_event.lost_event_mask) {
138910a6cfc0SAlexandra Winter /* Potential re-config in progress, try again later: */
139010a6cfc0SAlexandra Winter if (!rtnl_trylock()) {
139110a6cfc0SAlexandra Winter queue_delayed_work(card->event_wq, dwork,
139210a6cfc0SAlexandra Winter msecs_to_jiffies(100));
139310a6cfc0SAlexandra Winter return;
139410a6cfc0SAlexandra Winter }
139510a6cfc0SAlexandra Winter
139609840f70SJulian Wiedmann if (!netif_device_present(card->dev)) {
139709840f70SJulian Wiedmann rtnl_unlock();
139809840f70SJulian Wiedmann goto free;
139909840f70SJulian Wiedmann }
140009840f70SJulian Wiedmann
140110a6cfc0SAlexandra Winter QETH_DBF_MESSAGE(3,
140210a6cfc0SAlexandra Winter "Address change notification overflow on device %x\n",
140310a6cfc0SAlexandra Winter CARD_DEVID(card));
1404817741a8SAlexandra Winter /* Card fdb and bridge fdb are out of sync, card has stopped
1405817741a8SAlexandra Winter * notifications (no need to drain_workqueue). Purge all
1406817741a8SAlexandra Winter * 'extern_learn' entries from the parent bridge and restart
1407817741a8SAlexandra Winter * the notifications.
1408817741a8SAlexandra Winter */
1409817741a8SAlexandra Winter qeth_l2_dev2br_fdb_flush(card);
1410817741a8SAlexandra Winter rc = qeth_l2_dev2br_an_set(card, true);
1411817741a8SAlexandra Winter if (rc) {
1412817741a8SAlexandra Winter /* TODO: if we want to retry after -EAGAIN, be
1413817741a8SAlexandra Winter * aware there could be stale entries in the
1414817741a8SAlexandra Winter * workqueue now, that need to be drained.
1415817741a8SAlexandra Winter * For now we give up:
1416817741a8SAlexandra Winter */
1417817741a8SAlexandra Winter netdev_err(card->dev,
1418817741a8SAlexandra Winter "bridge learning_sync failed to recover: %d\n",
1419817741a8SAlexandra Winter rc);
1420817741a8SAlexandra Winter WRITE_ONCE(card->info.pnso_mode,
1421817741a8SAlexandra Winter QETH_PNSO_NONE);
1422817741a8SAlexandra Winter /* To remove fdb entries reported by an_set: */
1423817741a8SAlexandra Winter qeth_l2_dev2br_fdb_flush(card);
1424817741a8SAlexandra Winter priv->brport_features ^= BR_LEARNING_SYNC;
1425817741a8SAlexandra Winter } else {
1426817741a8SAlexandra Winter QETH_DBF_MESSAGE(3,
1427817741a8SAlexandra Winter "Address Notification resynced on device %x\n",
1428817741a8SAlexandra Winter CARD_DEVID(card));
1429817741a8SAlexandra Winter }
143009840f70SJulian Wiedmann
143109840f70SJulian Wiedmann rtnl_unlock();
143210a6cfc0SAlexandra Winter } else {
143310a6cfc0SAlexandra Winter for (i = 0; i < data->ac_event.num_entries; i++) {
143410a6cfc0SAlexandra Winter struct qeth_ipacmd_addr_change_entry *entry =
143510a6cfc0SAlexandra Winter &data->ac_event.entry[i];
143610a6cfc0SAlexandra Winter qeth_l2_dev2br_fdb_notify(card,
143710a6cfc0SAlexandra Winter entry->change_code,
143810a6cfc0SAlexandra Winter &entry->token,
143910a6cfc0SAlexandra Winter &entry->addr_lnid);
144010a6cfc0SAlexandra Winter }
144110a6cfc0SAlexandra Winter }
1442817741a8SAlexandra Winter
144310a6cfc0SAlexandra Winter free:
144410a6cfc0SAlexandra Winter kfree(data);
144510a6cfc0SAlexandra Winter }
144610a6cfc0SAlexandra Winter
qeth_addr_change_event_worker(struct work_struct * work)1447a0138f59SAlexandra Winter static void qeth_addr_change_event_worker(struct work_struct *work)
14489f48b9dbSEugene Crosser {
14499d6a569aSJulian Wiedmann struct delayed_work *dwork = to_delayed_work(work);
14509d6a569aSJulian Wiedmann struct qeth_addr_change_data *data;
14519d6a569aSJulian Wiedmann struct qeth_card *card;
14529f48b9dbSEugene Crosser int i;
14539f48b9dbSEugene Crosser
14549d6a569aSJulian Wiedmann data = container_of(dwork, struct qeth_addr_change_data, dwork);
14559d6a569aSJulian Wiedmann card = data->card;
14569d6a569aSJulian Wiedmann
1457a0138f59SAlexandra Winter QETH_CARD_TEXT(data->card, 4, "adrchgew");
14589d6a569aSJulian Wiedmann
14599d6a569aSJulian Wiedmann if (READ_ONCE(card->info.pnso_mode) == QETH_PNSO_NONE)
14609d6a569aSJulian Wiedmann goto free;
14619d6a569aSJulian Wiedmann
1462a0138f59SAlexandra Winter if (data->ac_event.lost_event_mask) {
14639d6a569aSJulian Wiedmann /* Potential re-config in progress, try again later: */
14649d6a569aSJulian Wiedmann if (!mutex_trylock(&card->sbp_lock)) {
14659d6a569aSJulian Wiedmann queue_delayed_work(card->event_wq, dwork,
14669d6a569aSJulian Wiedmann msecs_to_jiffies(100));
14679d6a569aSJulian Wiedmann return;
14689d6a569aSJulian Wiedmann }
14699d6a569aSJulian Wiedmann
14709f48b9dbSEugene Crosser dev_info(&data->card->gdev->dev,
1471a0138f59SAlexandra Winter "Address change notification stopped on %s (%s)\n",
147284c91482SJulian Wiedmann netdev_name(card->dev),
1473a0138f59SAlexandra Winter (data->ac_event.lost_event_mask == 0x01)
14749f48b9dbSEugene Crosser ? "Overflow"
1475a0138f59SAlexandra Winter : (data->ac_event.lost_event_mask == 0x02)
14769f48b9dbSEugene Crosser ? "Bridge port state change"
14779f48b9dbSEugene Crosser : "Unknown reason");
14789d6a569aSJulian Wiedmann
14799f48b9dbSEugene Crosser data->card->options.sbp.hostnotification = 0;
14809d6a569aSJulian Wiedmann card->info.pnso_mode = QETH_PNSO_NONE;
1481c8183f54SJulian Wiedmann mutex_unlock(&data->card->sbp_lock);
14829f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card, anev_abort,
14839f48b9dbSEugene Crosser 0, NULL, NULL);
14849f48b9dbSEugene Crosser } else
1485a0138f59SAlexandra Winter for (i = 0; i < data->ac_event.num_entries; i++) {
14869f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change_entry *entry =
1487a0138f59SAlexandra Winter &data->ac_event.entry[i];
14889f48b9dbSEugene Crosser qeth_bridge_emit_host_event(data->card,
14899f48b9dbSEugene Crosser anev_reg_unreg,
14909f48b9dbSEugene Crosser entry->change_code,
1491a0138f59SAlexandra Winter &entry->token,
1492a0138f59SAlexandra Winter &entry->addr_lnid);
14939f48b9dbSEugene Crosser }
14949d6a569aSJulian Wiedmann
14959d6a569aSJulian Wiedmann free:
14969f48b9dbSEugene Crosser kfree(data);
14979f48b9dbSEugene Crosser }
14989f48b9dbSEugene Crosser
qeth_addr_change_event(struct qeth_card * card,struct qeth_ipa_cmd * cmd)1499a0138f59SAlexandra Winter static void qeth_addr_change_event(struct qeth_card *card,
1500c044dc21SEugene Crosser struct qeth_ipa_cmd *cmd)
15019f48b9dbSEugene Crosser {
15029f48b9dbSEugene Crosser struct qeth_ipacmd_addr_change *hostevs =
15039f48b9dbSEugene Crosser &cmd->data.addrchange;
1504a0138f59SAlexandra Winter struct qeth_addr_change_data *data;
15059f48b9dbSEugene Crosser int extrasize;
15069f48b9dbSEugene Crosser
15079d6a569aSJulian Wiedmann if (card->info.pnso_mode == QETH_PNSO_NONE)
15089d6a569aSJulian Wiedmann return;
15099d6a569aSJulian Wiedmann
1510a0138f59SAlexandra Winter QETH_CARD_TEXT(card, 4, "adrchgev");
15119f48b9dbSEugene Crosser if (cmd->hdr.return_code != 0x0000) {
15129f48b9dbSEugene Crosser if (cmd->hdr.return_code == 0x0010) {
15139f48b9dbSEugene Crosser if (hostevs->lost_event_mask == 0x00)
15149f48b9dbSEugene Crosser hostevs->lost_event_mask = 0xff;
15159f48b9dbSEugene Crosser } else {
1516a0138f59SAlexandra Winter QETH_CARD_TEXT_(card, 2, "ACHN%04x",
15179f48b9dbSEugene Crosser cmd->hdr.return_code);
15189f48b9dbSEugene Crosser return;
15199f48b9dbSEugene Crosser }
15209f48b9dbSEugene Crosser }
15219f48b9dbSEugene Crosser extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) *
15229f48b9dbSEugene Crosser hostevs->num_entries;
1523a0138f59SAlexandra Winter data = kzalloc(sizeof(struct qeth_addr_change_data) + extrasize,
15249f48b9dbSEugene Crosser GFP_ATOMIC);
15259f48b9dbSEugene Crosser if (!data) {
1526a0138f59SAlexandra Winter QETH_CARD_TEXT(card, 2, "ACNalloc");
15279f48b9dbSEugene Crosser return;
15289f48b9dbSEugene Crosser }
152910a6cfc0SAlexandra Winter if (card->info.pnso_mode == QETH_PNSO_BRIDGEPORT)
15309d6a569aSJulian Wiedmann INIT_DELAYED_WORK(&data->dwork, qeth_addr_change_event_worker);
153110a6cfc0SAlexandra Winter else
153210a6cfc0SAlexandra Winter INIT_DELAYED_WORK(&data->dwork, qeth_l2_dev2br_worker);
15339f48b9dbSEugene Crosser data->card = card;
15348f1e1658SKees Cook data->ac_event = *hostevs;
15358f1e1658SKees Cook memcpy(data->ac_event.entry, hostevs->entry, extrasize);
15369d6a569aSJulian Wiedmann queue_delayed_work(card->event_wq, &data->dwork, 0);
15379f48b9dbSEugene Crosser }
15389f48b9dbSEugene Crosser
1539b4d72c08SEugene Crosser /* SETBRIDGEPORT support; sending commands */
1540b4d72c08SEugene Crosser
1541b4d72c08SEugene Crosser struct _qeth_sbp_cbctl {
1542b4d72c08SEugene Crosser union {
1543b4d72c08SEugene Crosser u32 supported;
1544b4d72c08SEugene Crosser struct {
1545b4d72c08SEugene Crosser enum qeth_sbp_roles *role;
1546b4d72c08SEugene Crosser enum qeth_sbp_states *state;
1547b4d72c08SEugene Crosser } qports;
1548b4d72c08SEugene Crosser } data;
1549b4d72c08SEugene Crosser };
1550b4d72c08SEugene Crosser
qeth_bridgeport_makerc(struct qeth_card * card,struct qeth_ipa_cmd * cmd)1551b4d72c08SEugene Crosser static int qeth_bridgeport_makerc(struct qeth_card *card,
15521709ff8dSJulian Wiedmann struct qeth_ipa_cmd *cmd)
1553b4d72c08SEugene Crosser {
15541709ff8dSJulian Wiedmann struct qeth_ipacmd_setbridgeport *sbp = &cmd->data.sbp;
15551709ff8dSJulian Wiedmann enum qeth_ipa_sbp_cmd setcmd = sbp->hdr.command_code;
15561709ff8dSJulian Wiedmann u16 ipa_rc = cmd->hdr.return_code;
15571709ff8dSJulian Wiedmann u16 sbp_rc = sbp->hdr.return_code;
1558b4d72c08SEugene Crosser int rc;
1559b4d72c08SEugene Crosser
15601709ff8dSJulian Wiedmann if (ipa_rc == IPA_RC_SUCCESS && sbp_rc == IPA_RC_SUCCESS)
15611709ff8dSJulian Wiedmann return 0;
15621709ff8dSJulian Wiedmann
15631709ff8dSJulian Wiedmann if ((IS_IQD(card) && ipa_rc == IPA_RC_SUCCESS) ||
15641709ff8dSJulian Wiedmann (!IS_IQD(card) && ipa_rc == sbp_rc)) {
15651709ff8dSJulian Wiedmann switch (sbp_rc) {
15662063a5f5SKittipon Meesompop case IPA_RC_SUCCESS:
1567b4d72c08SEugene Crosser rc = 0;
1568b4d72c08SEugene Crosser break;
15692063a5f5SKittipon Meesompop case IPA_RC_L2_UNSUPPORTED_CMD:
15702063a5f5SKittipon Meesompop case IPA_RC_UNSUPPORTED_COMMAND:
1571ffb95251SEugene Crosser rc = -EOPNOTSUPP;
1572b4d72c08SEugene Crosser break;
15732063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_CONFIGURED:
15742063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_CONFIGURED:
1575b4d72c08SEugene Crosser rc = -ENODEV; /* maybe not the best code here? */
1576b4d72c08SEugene Crosser dev_err(&card->gdev->dev,
15779c23f4daSEugene Crosser "The device is not configured as a Bridge Port\n");
1578b4d72c08SEugene Crosser break;
15792063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_OS_MISMATCH:
15802063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_OS_MISMATCH:
15811b05cf62SEugene Crosser rc = -EPERM;
15821b05cf62SEugene Crosser dev_err(&card->gdev->dev,
15831b05cf62SEugene Crosser "A Bridge Port is already configured by a different operating system\n");
15841b05cf62SEugene Crosser break;
15852063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_ANO_DEV_PRIMARY:
15862063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_ANO_DEV_PRIMARY:
1587b4d72c08SEugene Crosser switch (setcmd) {
1588b4d72c08SEugene Crosser case IPA_SBP_SET_PRIMARY_BRIDGE_PORT:
1589b4d72c08SEugene Crosser rc = -EEXIST;
1590b4d72c08SEugene Crosser dev_err(&card->gdev->dev,
15919c23f4daSEugene Crosser "The LAN already has a primary Bridge Port\n");
1592b4d72c08SEugene Crosser break;
1593b4d72c08SEugene Crosser case IPA_SBP_SET_SECONDARY_BRIDGE_PORT:
1594b4d72c08SEugene Crosser rc = -EBUSY;
1595b4d72c08SEugene Crosser dev_err(&card->gdev->dev,
15969c23f4daSEugene Crosser "The device is already a primary Bridge Port\n");
1597b4d72c08SEugene Crosser break;
1598b4d72c08SEugene Crosser default:
1599b4d72c08SEugene Crosser rc = -EIO;
1600b4d72c08SEugene Crosser }
1601b4d72c08SEugene Crosser break;
16022063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_SECOND:
16032063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_SECOND:
1604b4d72c08SEugene Crosser rc = -EBUSY;
1605b4d72c08SEugene Crosser dev_err(&card->gdev->dev,
16069c23f4daSEugene Crosser "The device is already a secondary Bridge Port\n");
1607b4d72c08SEugene Crosser break;
16082063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_LIMIT_SECOND:
16092063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_LIMIT_SECOND:
1610b4d72c08SEugene Crosser rc = -EEXIST;
1611b4d72c08SEugene Crosser dev_err(&card->gdev->dev,
16129c23f4daSEugene Crosser "The LAN cannot have more secondary Bridge Ports\n");
1613b4d72c08SEugene Crosser break;
16142063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_CURRENT_PRIMARY:
16152063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_CURRENT_PRIMARY:
1616b4d72c08SEugene Crosser rc = -EBUSY;
1617b4d72c08SEugene Crosser dev_err(&card->gdev->dev,
16189c23f4daSEugene Crosser "The device is already a primary Bridge Port\n");
1619b4d72c08SEugene Crosser break;
16202063a5f5SKittipon Meesompop case IPA_RC_SBP_OSA_NOT_AUTHD_BY_ZMAN:
16212063a5f5SKittipon Meesompop case IPA_RC_SBP_IQD_NOT_AUTHD_BY_ZMAN:
1622b4d72c08SEugene Crosser rc = -EACCES;
1623b4d72c08SEugene Crosser dev_err(&card->gdev->dev,
16249c23f4daSEugene Crosser "The device is not authorized to be a Bridge Port\n");
1625b4d72c08SEugene Crosser break;
1626b4d72c08SEugene Crosser default:
1627b4d72c08SEugene Crosser rc = -EIO;
1628b4d72c08SEugene Crosser }
16291709ff8dSJulian Wiedmann } else {
16301709ff8dSJulian Wiedmann switch (ipa_rc) {
1631b4d72c08SEugene Crosser case IPA_RC_NOTSUPP:
1632ffb95251SEugene Crosser rc = -EOPNOTSUPP;
1633b4d72c08SEugene Crosser break;
1634b4d72c08SEugene Crosser case IPA_RC_UNSUPPORTED_COMMAND:
1635ffb95251SEugene Crosser rc = -EOPNOTSUPP;
1636b4d72c08SEugene Crosser break;
1637b4d72c08SEugene Crosser default:
1638b4d72c08SEugene Crosser rc = -EIO;
1639b4d72c08SEugene Crosser }
16401709ff8dSJulian Wiedmann }
16419c23f4daSEugene Crosser
1642b4d72c08SEugene Crosser if (rc) {
16431709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPi%04x", ipa_rc);
16441709ff8dSJulian Wiedmann QETH_CARD_TEXT_(card, 2, "SBPc%04x", sbp_rc);
1645b4d72c08SEugene Crosser }
1646b4d72c08SEugene Crosser return rc;
1647b4d72c08SEugene Crosser }
1648b4d72c08SEugene Crosser
qeth_sbp_build_cmd(struct qeth_card * card,enum qeth_ipa_sbp_cmd sbp_cmd,unsigned int data_length)1649d65626adSJulian Wiedmann static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card,
1650d65626adSJulian Wiedmann enum qeth_ipa_sbp_cmd sbp_cmd,
1651b9150461SJulian Wiedmann unsigned int data_length)
16529c23f4daSEugene Crosser {
1653379ac99eSJulian Wiedmann enum qeth_ipa_cmds ipa_cmd = IS_IQD(card) ? IPA_CMD_SETBRIDGEPORT_IQD :
16549c23f4daSEugene Crosser IPA_CMD_SETBRIDGEPORT_OSA;
1655b9150461SJulian Wiedmann struct qeth_ipacmd_sbp_hdr *hdr;
1656d65626adSJulian Wiedmann struct qeth_cmd_buffer *iob;
1657d65626adSJulian Wiedmann
1658b9150461SJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, ipa_cmd, QETH_PROT_NONE,
1659b9150461SJulian Wiedmann data_length +
1660b9150461SJulian Wiedmann offsetof(struct qeth_ipacmd_setbridgeport,
1661b9150461SJulian Wiedmann data));
1662d65626adSJulian Wiedmann if (!iob)
1663d65626adSJulian Wiedmann return iob;
1664b9150461SJulian Wiedmann
1665b9150461SJulian Wiedmann hdr = &__ipa_cmd(iob)->data.sbp.hdr;
1666b9150461SJulian Wiedmann hdr->cmdlength = sizeof(*hdr) + data_length;
1667b9150461SJulian Wiedmann hdr->command_code = sbp_cmd;
1668b9150461SJulian Wiedmann hdr->used_total = 1;
1669b9150461SJulian Wiedmann hdr->seq_no = 1;
1670d65626adSJulian Wiedmann return iob;
16719c23f4daSEugene Crosser }
16729c23f4daSEugene Crosser
qeth_bridgeport_query_support_cb(struct qeth_card * card,struct qeth_reply * reply,unsigned long data)1673b4d72c08SEugene Crosser static int qeth_bridgeport_query_support_cb(struct qeth_card *card,
1674b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data)
1675b4d72c08SEugene Crosser {
1676b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
1677b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param;
16781709ff8dSJulian Wiedmann int rc;
16791709ff8dSJulian Wiedmann
1680b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsupcb");
16811709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd);
16821709ff8dSJulian Wiedmann if (rc)
16831709ff8dSJulian Wiedmann return rc;
16841709ff8dSJulian Wiedmann
1685b4d72c08SEugene Crosser cbctl->data.supported =
1686b4d72c08SEugene Crosser cmd->data.sbp.data.query_cmds_supp.supported_cmds;
1687b4d72c08SEugene Crosser return 0;
1688b4d72c08SEugene Crosser }
1689b4d72c08SEugene Crosser
1690b4d72c08SEugene Crosser /**
1691b4d72c08SEugene Crosser * qeth_bridgeport_query_support() - store bitmask of supported subfunctions.
1692b4d72c08SEugene Crosser * @card: qeth_card structure pointer.
1693b4d72c08SEugene Crosser *
1694b4d72c08SEugene Crosser * Sets bitmask of supported setbridgeport subfunctions in the qeth_card
1695b4d72c08SEugene Crosser * strucutre: card->options.sbp.supported_funcs.
1696b4d72c08SEugene Crosser */
qeth_bridgeport_query_support(struct qeth_card * card)1697c044dc21SEugene Crosser static void qeth_bridgeport_query_support(struct qeth_card *card)
1698b4d72c08SEugene Crosser {
1699b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob;
1700b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl;
1701b4d72c08SEugene Crosser
1702b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqsuppo");
1703d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED,
1704b9150461SJulian Wiedmann SBP_DATA_SIZEOF(query_cmds_supp));
17051aec42bcSThomas Richter if (!iob)
17061aec42bcSThomas Richter return;
17071709ff8dSJulian Wiedmann
1708b4d72c08SEugene Crosser if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb,
17091709ff8dSJulian Wiedmann &cbctl)) {
1710b4d72c08SEugene Crosser card->options.sbp.role = QETH_SBP_ROLE_NONE;
17111709ff8dSJulian Wiedmann card->options.sbp.supported_funcs = 0;
1712b4d72c08SEugene Crosser return;
1713b4d72c08SEugene Crosser }
1714b4d72c08SEugene Crosser card->options.sbp.supported_funcs = cbctl.data.supported;
1715b4d72c08SEugene Crosser }
1716b4d72c08SEugene Crosser
qeth_bridgeport_query_ports_cb(struct qeth_card * card,struct qeth_reply * reply,unsigned long data)1717b4d72c08SEugene Crosser static int qeth_bridgeport_query_ports_cb(struct qeth_card *card,
1718b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data)
1719b4d72c08SEugene Crosser {
1720b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
1721b4d72c08SEugene Crosser struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param;
172265b0494eSJulian Wiedmann struct qeth_sbp_port_data *qports;
17231709ff8dSJulian Wiedmann int rc;
1724b4d72c08SEugene Crosser
1725b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqprtcb");
17261709ff8dSJulian Wiedmann rc = qeth_bridgeport_makerc(card, cmd);
17271709ff8dSJulian Wiedmann if (rc)
17281709ff8dSJulian Wiedmann return rc;
17291709ff8dSJulian Wiedmann
173065b0494eSJulian Wiedmann qports = &cmd->data.sbp.data.port_data;
1731b4d72c08SEugene Crosser if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) {
1732b4d72c08SEugene Crosser QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length);
17331709ff8dSJulian Wiedmann return -EINVAL;
1734b4d72c08SEugene Crosser }
1735b4d72c08SEugene Crosser /* first entry contains the state of the local port */
1736b4d72c08SEugene Crosser if (qports->num_entries > 0) {
1737b4d72c08SEugene Crosser if (cbctl->data.qports.role)
1738b4d72c08SEugene Crosser *cbctl->data.qports.role = qports->entry[0].role;
1739b4d72c08SEugene Crosser if (cbctl->data.qports.state)
1740b4d72c08SEugene Crosser *cbctl->data.qports.state = qports->entry[0].state;
1741b4d72c08SEugene Crosser }
1742b4d72c08SEugene Crosser return 0;
1743b4d72c08SEugene Crosser }
1744b4d72c08SEugene Crosser
1745b4d72c08SEugene Crosser /**
1746b4d72c08SEugene Crosser * qeth_bridgeport_query_ports() - query local bridgeport status.
1747b4d72c08SEugene Crosser * @card: qeth_card structure pointer.
1748b4d72c08SEugene Crosser * @role: Role of the port: 0-none, 1-primary, 2-secondary.
1749b4d72c08SEugene Crosser * @state: State of the port: 0-inactive, 1-standby, 2-active.
1750b4d72c08SEugene Crosser *
1751b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success.
1752b4d72c08SEugene Crosser *
1753b4d72c08SEugene Crosser * 'role' and 'state' are not updated in case of hardware operation failure.
1754b4d72c08SEugene Crosser */
qeth_bridgeport_query_ports(struct qeth_card * card,enum qeth_sbp_roles * role,enum qeth_sbp_states * state)1755b4d72c08SEugene Crosser int qeth_bridgeport_query_ports(struct qeth_card *card,
1756b4d72c08SEugene Crosser enum qeth_sbp_roles *role, enum qeth_sbp_states *state)
1757b4d72c08SEugene Crosser {
1758b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob;
1759b4d72c08SEugene Crosser struct _qeth_sbp_cbctl cbctl = {
1760b4d72c08SEugene Crosser .data = {
1761b4d72c08SEugene Crosser .qports = {
1762b4d72c08SEugene Crosser .role = role,
1763b4d72c08SEugene Crosser .state = state,
1764b4d72c08SEugene Crosser },
1765b4d72c08SEugene Crosser },
1766b4d72c08SEugene Crosser };
1767b4d72c08SEugene Crosser
1768b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brqports");
1769b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS))
1770b4d72c08SEugene Crosser return -EOPNOTSUPP;
1771d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0);
17721aec42bcSThomas Richter if (!iob)
17731aec42bcSThomas Richter return -ENOMEM;
17741709ff8dSJulian Wiedmann
17751709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb,
17761709ff8dSJulian Wiedmann &cbctl);
1777b4d72c08SEugene Crosser }
1778b4d72c08SEugene Crosser
qeth_bridgeport_set_cb(struct qeth_card * card,struct qeth_reply * reply,unsigned long data)1779b4d72c08SEugene Crosser static int qeth_bridgeport_set_cb(struct qeth_card *card,
1780b4d72c08SEugene Crosser struct qeth_reply *reply, unsigned long data)
1781b4d72c08SEugene Crosser {
1782b4d72c08SEugene Crosser struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data;
17831709ff8dSJulian Wiedmann
1784b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrcb");
17851709ff8dSJulian Wiedmann return qeth_bridgeport_makerc(card, cmd);
1786b4d72c08SEugene Crosser }
1787b4d72c08SEugene Crosser
1788b4d72c08SEugene Crosser /**
1789b4d72c08SEugene Crosser * qeth_bridgeport_setrole() - Assign primary role to the port.
1790b4d72c08SEugene Crosser * @card: qeth_card structure pointer.
1791b4d72c08SEugene Crosser * @role: Role to assign.
1792b4d72c08SEugene Crosser *
1793b4d72c08SEugene Crosser * Returns negative errno-compatible error indication or 0 on success.
1794b4d72c08SEugene Crosser */
qeth_bridgeport_setrole(struct qeth_card * card,enum qeth_sbp_roles role)1795b4d72c08SEugene Crosser int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role)
1796b4d72c08SEugene Crosser {
1797b4d72c08SEugene Crosser struct qeth_cmd_buffer *iob;
1798b4d72c08SEugene Crosser enum qeth_ipa_sbp_cmd setcmd;
1799b9150461SJulian Wiedmann unsigned int cmdlength = 0;
1800b4d72c08SEugene Crosser
1801b4d72c08SEugene Crosser QETH_CARD_TEXT(card, 2, "brsetrol");
1802b4d72c08SEugene Crosser switch (role) {
1803b4d72c08SEugene Crosser case QETH_SBP_ROLE_NONE:
1804b4d72c08SEugene Crosser setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE;
1805b4d72c08SEugene Crosser break;
1806b4d72c08SEugene Crosser case QETH_SBP_ROLE_PRIMARY:
1807b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT;
1808b9150461SJulian Wiedmann cmdlength = SBP_DATA_SIZEOF(set_primary);
1809b4d72c08SEugene Crosser break;
1810b4d72c08SEugene Crosser case QETH_SBP_ROLE_SECONDARY:
1811b4d72c08SEugene Crosser setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT;
1812b4d72c08SEugene Crosser break;
1813b4d72c08SEugene Crosser default:
1814b4d72c08SEugene Crosser return -EINVAL;
1815b4d72c08SEugene Crosser }
1816b4d72c08SEugene Crosser if (!(card->options.sbp.supported_funcs & setcmd))
1817b4d72c08SEugene Crosser return -EOPNOTSUPP;
1818d65626adSJulian Wiedmann iob = qeth_sbp_build_cmd(card, setcmd, cmdlength);
18191aec42bcSThomas Richter if (!iob)
18201aec42bcSThomas Richter return -ENOMEM;
18211709ff8dSJulian Wiedmann
18221709ff8dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb, NULL);
1823b4d72c08SEugene Crosser }
1824b4d72c08SEugene Crosser
qeth_bridgeport_an_set_cb(void * priv,struct chsc_pnso_naid_l2 * entry)18259f48b9dbSEugene Crosser static void qeth_bridgeport_an_set_cb(void *priv,
1826a0138f59SAlexandra Winter struct chsc_pnso_naid_l2 *entry)
18279f48b9dbSEugene Crosser {
18289f48b9dbSEugene Crosser struct qeth_card *card = (struct qeth_card *)priv;
18299f48b9dbSEugene Crosser u8 code;
18309f48b9dbSEugene Crosser
18319f48b9dbSEugene Crosser code = IPA_ADDR_CHANGE_CODE_MACADDR;
1832a0138f59SAlexandra Winter if (entry->addr_lnid.lnid < VLAN_N_VID)
18339f48b9dbSEugene Crosser code |= IPA_ADDR_CHANGE_CODE_VLANID;
18349f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reg_unreg, code,
1835a0138f59SAlexandra Winter (struct net_if_token *)&entry->nit,
1836a0138f59SAlexandra Winter (struct mac_addr_lnid *)&entry->addr_lnid);
18379f48b9dbSEugene Crosser }
18389f48b9dbSEugene Crosser
18399f48b9dbSEugene Crosser /**
18409f48b9dbSEugene Crosser * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification
18419f48b9dbSEugene Crosser * @card: qeth_card structure pointer.
18429f48b9dbSEugene Crosser * @enable: 0 - disable, non-zero - enable notifications
18439f48b9dbSEugene Crosser *
18449f48b9dbSEugene Crosser * Returns negative errno-compatible error indication or 0 on success.
18459f48b9dbSEugene Crosser *
18469f48b9dbSEugene Crosser * On enable, emits a series of address notifications udev events for all
18479f48b9dbSEugene Crosser * currently registered hosts.
18489f48b9dbSEugene Crosser */
qeth_bridgeport_an_set(struct qeth_card * card,int enable)18499f48b9dbSEugene Crosser int qeth_bridgeport_an_set(struct qeth_card *card, int enable)
18509f48b9dbSEugene Crosser {
18519f48b9dbSEugene Crosser int rc;
18529f48b9dbSEugene Crosser
18539f48b9dbSEugene Crosser if (!card->options.sbp.supported_funcs)
18549f48b9dbSEugene Crosser return -EOPNOTSUPP;
18559f48b9dbSEugene Crosser
18569f48b9dbSEugene Crosser if (enable) {
18579f48b9dbSEugene Crosser qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL);
18589d6a569aSJulian Wiedmann qeth_l2_set_pnso_mode(card, QETH_PNSO_BRIDGEPORT);
18594fea49a7SAlexandra Winter rc = qeth_l2_pnso(card, PNSO_OC_NET_BRIDGE_INFO, 1,
18604fea49a7SAlexandra Winter qeth_bridgeport_an_set_cb, card);
18619d6a569aSJulian Wiedmann if (rc)
18629d6a569aSJulian Wiedmann qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
18639d6a569aSJulian Wiedmann } else {
18644fea49a7SAlexandra Winter rc = qeth_l2_pnso(card, PNSO_OC_NET_BRIDGE_INFO, 0, NULL, NULL);
18659d6a569aSJulian Wiedmann qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
18669d6a569aSJulian Wiedmann }
1867a0138f59SAlexandra Winter return rc;
18689f48b9dbSEugene Crosser }
18699f48b9dbSEugene Crosser
1870a45b3fafSHans Wippel /* VNIC Characteristics support */
1871a45b3fafSHans Wippel
1872a45b3fafSHans Wippel /* handle VNICC IPA command return codes; convert to error codes */
qeth_l2_vnicc_makerc(struct qeth_card * card,u16 ipa_rc)1873742d4d40SJulian Wiedmann static int qeth_l2_vnicc_makerc(struct qeth_card *card, u16 ipa_rc)
1874a45b3fafSHans Wippel {
1875a45b3fafSHans Wippel int rc;
1876a45b3fafSHans Wippel
1877a45b3fafSHans Wippel switch (ipa_rc) {
1878a45b3fafSHans Wippel case IPA_RC_SUCCESS:
1879a45b3fafSHans Wippel return ipa_rc;
1880a45b3fafSHans Wippel case IPA_RC_L2_UNSUPPORTED_CMD:
1881a45b3fafSHans Wippel case IPA_RC_NOTSUPP:
1882a45b3fafSHans Wippel rc = -EOPNOTSUPP;
1883a45b3fafSHans Wippel break;
1884a45b3fafSHans Wippel case IPA_RC_VNICC_OOSEQ:
1885a45b3fafSHans Wippel rc = -EALREADY;
1886a45b3fafSHans Wippel break;
1887a45b3fafSHans Wippel case IPA_RC_VNICC_VNICBP:
1888a45b3fafSHans Wippel rc = -EBUSY;
1889a45b3fafSHans Wippel break;
1890a45b3fafSHans Wippel case IPA_RC_L2_ADDR_TABLE_FULL:
1891a45b3fafSHans Wippel rc = -ENOSPC;
1892a45b3fafSHans Wippel break;
1893a45b3fafSHans Wippel case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP:
1894a45b3fafSHans Wippel rc = -EACCES;
1895a45b3fafSHans Wippel break;
1896a45b3fafSHans Wippel default:
1897a45b3fafSHans Wippel rc = -EIO;
1898a45b3fafSHans Wippel }
1899a45b3fafSHans Wippel
1900a45b3fafSHans Wippel QETH_CARD_TEXT_(card, 2, "err%04x", ipa_rc);
1901a45b3fafSHans Wippel return rc;
1902a45b3fafSHans Wippel }
1903a45b3fafSHans Wippel
1904a45b3fafSHans Wippel /* generic VNICC request call back */
qeth_l2_vnicc_request_cb(struct qeth_card * card,struct qeth_reply * reply,unsigned long data)1905a45b3fafSHans Wippel static int qeth_l2_vnicc_request_cb(struct qeth_card *card,
1906a45b3fafSHans Wippel struct qeth_reply *reply,
1907a45b3fafSHans Wippel unsigned long data)
1908a45b3fafSHans Wippel {
1909a45b3fafSHans Wippel struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
1910a45b3fafSHans Wippel struct qeth_ipacmd_vnicc *rep = &cmd->data.vnicc;
19112744d811SJulian Wiedmann u32 sub_cmd = cmd->data.vnicc.hdr.sub_command;
1912a45b3fafSHans Wippel
1913a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccrcb");
1914a45b3fafSHans Wippel if (cmd->hdr.return_code)
1915742d4d40SJulian Wiedmann return qeth_l2_vnicc_makerc(card, cmd->hdr.return_code);
1916a45b3fafSHans Wippel /* return results to caller */
19172cfb4810SJulian Wiedmann card->options.vnicc.sup_chars = rep->vnicc_cmds.supported;
19182cfb4810SJulian Wiedmann card->options.vnicc.cur_chars = rep->vnicc_cmds.enabled;
1919a45b3fafSHans Wippel
19202744d811SJulian Wiedmann if (sub_cmd == IPA_VNICC_QUERY_CMDS)
192149f42f5dSJulian Wiedmann *(u32 *)reply->param = rep->data.query_cmds.sup_cmds;
19222744d811SJulian Wiedmann else if (sub_cmd == IPA_VNICC_GET_TIMEOUT)
192349f42f5dSJulian Wiedmann *(u32 *)reply->param = rep->data.getset_timeout.timeout;
1924349d13d5SHans Wippel
1925a45b3fafSHans Wippel return 0;
1926a45b3fafSHans Wippel }
1927a45b3fafSHans Wippel
qeth_l2_vnicc_build_cmd(struct qeth_card * card,u32 vnicc_cmd,unsigned int data_length)19282cfb4810SJulian Wiedmann static struct qeth_cmd_buffer *qeth_l2_vnicc_build_cmd(struct qeth_card *card,
19292cfb4810SJulian Wiedmann u32 vnicc_cmd,
19302cfb4810SJulian Wiedmann unsigned int data_length)
1931a45b3fafSHans Wippel {
19322cfb4810SJulian Wiedmann struct qeth_ipacmd_vnicc_hdr *hdr;
1933a45b3fafSHans Wippel struct qeth_cmd_buffer *iob;
1934a45b3fafSHans Wippel
19352cfb4810SJulian Wiedmann iob = qeth_ipa_alloc_cmd(card, IPA_CMD_VNICC, QETH_PROT_NONE,
19362cfb4810SJulian Wiedmann data_length +
19372cfb4810SJulian Wiedmann offsetof(struct qeth_ipacmd_vnicc, data));
1938a45b3fafSHans Wippel if (!iob)
19392cfb4810SJulian Wiedmann return NULL;
1940a45b3fafSHans Wippel
19412cfb4810SJulian Wiedmann hdr = &__ipa_cmd(iob)->data.vnicc.hdr;
19422cfb4810SJulian Wiedmann hdr->data_length = sizeof(*hdr) + data_length;
19432cfb4810SJulian Wiedmann hdr->sub_command = vnicc_cmd;
19442cfb4810SJulian Wiedmann return iob;
1945a45b3fafSHans Wippel }
1946a45b3fafSHans Wippel
1947a45b3fafSHans Wippel /* VNICC query VNIC characteristics request */
qeth_l2_vnicc_query_chars(struct qeth_card * card)1948a45b3fafSHans Wippel static int qeth_l2_vnicc_query_chars(struct qeth_card *card)
1949a45b3fafSHans Wippel {
19502cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob;
19512cfb4810SJulian Wiedmann
19522cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccqch");
19532cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, IPA_VNICC_QUERY_CHARS, 0);
19542cfb4810SJulian Wiedmann if (!iob)
19552cfb4810SJulian Wiedmann return -ENOMEM;
1956a45b3fafSHans Wippel
19572744d811SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL);
1958a45b3fafSHans Wippel }
1959a45b3fafSHans Wippel
1960caa1f0b1SHans Wippel /* VNICC query sub commands request */
qeth_l2_vnicc_query_cmds(struct qeth_card * card,u32 vnic_char,u32 * sup_cmds)1961caa1f0b1SHans Wippel static int qeth_l2_vnicc_query_cmds(struct qeth_card *card, u32 vnic_char,
1962caa1f0b1SHans Wippel u32 *sup_cmds)
1963caa1f0b1SHans Wippel {
19642cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob;
19652cfb4810SJulian Wiedmann
19662cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccqcm");
19672cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, IPA_VNICC_QUERY_CMDS,
19682cfb4810SJulian Wiedmann VNICC_DATA_SIZEOF(query_cmds));
19692cfb4810SJulian Wiedmann if (!iob)
19702cfb4810SJulian Wiedmann return -ENOMEM;
19712cfb4810SJulian Wiedmann
19722cfb4810SJulian Wiedmann __ipa_cmd(iob)->data.vnicc.data.query_cmds.vnic_char = vnic_char;
1973caa1f0b1SHans Wippel
197449f42f5dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, sup_cmds);
1975caa1f0b1SHans Wippel }
1976caa1f0b1SHans Wippel
1977caa1f0b1SHans Wippel /* VNICC enable/disable characteristic request */
qeth_l2_vnicc_set_char(struct qeth_card * card,u32 vnic_char,u32 cmd)1978caa1f0b1SHans Wippel static int qeth_l2_vnicc_set_char(struct qeth_card *card, u32 vnic_char,
1979caa1f0b1SHans Wippel u32 cmd)
1980caa1f0b1SHans Wippel {
19812cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob;
19822cfb4810SJulian Wiedmann
19832cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccedc");
19842cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, cmd, VNICC_DATA_SIZEOF(set_char));
19852cfb4810SJulian Wiedmann if (!iob)
19862cfb4810SJulian Wiedmann return -ENOMEM;
19872cfb4810SJulian Wiedmann
19882cfb4810SJulian Wiedmann __ipa_cmd(iob)->data.vnicc.data.set_char.vnic_char = vnic_char;
1989caa1f0b1SHans Wippel
19902744d811SJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, NULL);
1991caa1f0b1SHans Wippel }
1992caa1f0b1SHans Wippel
1993349d13d5SHans Wippel /* VNICC get/set timeout for characteristic request */
qeth_l2_vnicc_getset_timeout(struct qeth_card * card,u32 vnicc,u32 cmd,u32 * timeout)1994349d13d5SHans Wippel static int qeth_l2_vnicc_getset_timeout(struct qeth_card *card, u32 vnicc,
1995349d13d5SHans Wippel u32 cmd, u32 *timeout)
1996349d13d5SHans Wippel {
19972cfb4810SJulian Wiedmann struct qeth_vnicc_getset_timeout *getset_timeout;
19982cfb4810SJulian Wiedmann struct qeth_cmd_buffer *iob;
19992cfb4810SJulian Wiedmann
20002cfb4810SJulian Wiedmann QETH_CARD_TEXT(card, 2, "vniccgst");
20012cfb4810SJulian Wiedmann iob = qeth_l2_vnicc_build_cmd(card, cmd,
20022cfb4810SJulian Wiedmann VNICC_DATA_SIZEOF(getset_timeout));
20032cfb4810SJulian Wiedmann if (!iob)
20042cfb4810SJulian Wiedmann return -ENOMEM;
20052cfb4810SJulian Wiedmann
20062cfb4810SJulian Wiedmann getset_timeout = &__ipa_cmd(iob)->data.vnicc.data.getset_timeout;
20072cfb4810SJulian Wiedmann getset_timeout->vnic_char = vnicc;
20082cfb4810SJulian Wiedmann
20092cfb4810SJulian Wiedmann if (cmd == IPA_VNICC_SET_TIMEOUT)
20102cfb4810SJulian Wiedmann getset_timeout->timeout = *timeout;
2011349d13d5SHans Wippel
201249f42f5dSJulian Wiedmann return qeth_send_ipa_cmd(card, iob, qeth_l2_vnicc_request_cb, timeout);
2013349d13d5SHans Wippel }
2014349d13d5SHans Wippel
201558fa3575SJulian Wiedmann /* recover user timeout setting */
qeth_l2_vnicc_recover_timeout(struct qeth_card * card,u32 vnicc,u32 * timeout)201658fa3575SJulian Wiedmann static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc,
201758fa3575SJulian Wiedmann u32 *timeout)
201858fa3575SJulian Wiedmann {
201958fa3575SJulian Wiedmann if (card->options.vnicc.sup_chars & vnicc &&
202058fa3575SJulian Wiedmann card->options.vnicc.getset_timeout_sup & vnicc &&
202158fa3575SJulian Wiedmann !qeth_l2_vnicc_getset_timeout(card, vnicc, IPA_VNICC_SET_TIMEOUT,
202258fa3575SJulian Wiedmann timeout))
202358fa3575SJulian Wiedmann return false;
202458fa3575SJulian Wiedmann *timeout = QETH_VNICC_DEFAULT_TIMEOUT;
202558fa3575SJulian Wiedmann return true;
202658fa3575SJulian Wiedmann }
202758fa3575SJulian Wiedmann
2028caa1f0b1SHans Wippel /* set current VNICC flag state; called from sysfs store function */
qeth_l2_vnicc_set_state(struct qeth_card * card,u32 vnicc,bool state)2029caa1f0b1SHans Wippel int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state)
2030caa1f0b1SHans Wippel {
2031caa1f0b1SHans Wippel int rc = 0;
2032caa1f0b1SHans Wippel u32 cmd;
2033caa1f0b1SHans Wippel
2034caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsch");
2035caa1f0b1SHans Wippel
2036caa1f0b1SHans Wippel /* check if characteristic and enable/disable are supported */
2037caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc) ||
2038caa1f0b1SHans Wippel !(card->options.vnicc.set_char_sup & vnicc))
2039caa1f0b1SHans Wippel return -EOPNOTSUPP;
2040caa1f0b1SHans Wippel
20416f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card))
20426f3846f0SAlexandra Winter return -EBUSY;
20436f3846f0SAlexandra Winter
2044caa1f0b1SHans Wippel /* set enable/disable command and store wanted characteristic */
2045caa1f0b1SHans Wippel if (state) {
2046caa1f0b1SHans Wippel cmd = IPA_VNICC_ENABLE;
2047caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= vnicc;
2048caa1f0b1SHans Wippel } else {
2049caa1f0b1SHans Wippel cmd = IPA_VNICC_DISABLE;
2050caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc;
2051caa1f0b1SHans Wippel }
2052caa1f0b1SHans Wippel
2053caa1f0b1SHans Wippel /* do we need to do anything? */
2054caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == card->options.vnicc.wanted_chars)
2055caa1f0b1SHans Wippel return rc;
2056caa1f0b1SHans Wippel
2057caa1f0b1SHans Wippel /* if card is not ready, simply stop here */
2058caa1f0b1SHans Wippel if (!qeth_card_hw_is_reachable(card)) {
2059caa1f0b1SHans Wippel if (state)
2060caa1f0b1SHans Wippel card->options.vnicc.cur_chars |= vnicc;
2061caa1f0b1SHans Wippel else
2062caa1f0b1SHans Wippel card->options.vnicc.cur_chars &= ~vnicc;
2063caa1f0b1SHans Wippel return rc;
2064caa1f0b1SHans Wippel }
2065caa1f0b1SHans Wippel
2066caa1f0b1SHans Wippel rc = qeth_l2_vnicc_set_char(card, vnicc, cmd);
2067caa1f0b1SHans Wippel if (rc)
2068caa1f0b1SHans Wippel card->options.vnicc.wanted_chars =
2069caa1f0b1SHans Wippel card->options.vnicc.cur_chars;
2070349d13d5SHans Wippel else {
2071349d13d5SHans Wippel /* successful online VNICC change; handle special cases */
2072349d13d5SHans Wippel if (state && vnicc == QETH_VNICC_RX_BCAST)
2073caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = true;
2074349d13d5SHans Wippel if (!state && vnicc == QETH_VNICC_LEARNING)
2075349d13d5SHans Wippel qeth_l2_vnicc_recover_timeout(card, vnicc,
2076349d13d5SHans Wippel &card->options.vnicc.learning_timeout);
2077349d13d5SHans Wippel }
2078caa1f0b1SHans Wippel
2079caa1f0b1SHans Wippel return rc;
2080caa1f0b1SHans Wippel }
2081caa1f0b1SHans Wippel
2082caa1f0b1SHans Wippel /* get current VNICC flag state; called from sysfs show function */
qeth_l2_vnicc_get_state(struct qeth_card * card,u32 vnicc,bool * state)2083caa1f0b1SHans Wippel int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state)
2084caa1f0b1SHans Wippel {
2085caa1f0b1SHans Wippel int rc = 0;
2086caa1f0b1SHans Wippel
2087caa1f0b1SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgch");
2088caa1f0b1SHans Wippel
2089caa1f0b1SHans Wippel /* check if characteristic is supported */
2090caa1f0b1SHans Wippel if (!(card->options.vnicc.sup_chars & vnicc))
2091caa1f0b1SHans Wippel return -EOPNOTSUPP;
2092caa1f0b1SHans Wippel
20936f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card))
20946f3846f0SAlexandra Winter return -EBUSY;
20956f3846f0SAlexandra Winter
2096caa1f0b1SHans Wippel /* if card is ready, query current VNICC state */
2097caa1f0b1SHans Wippel if (qeth_card_hw_is_reachable(card))
2098caa1f0b1SHans Wippel rc = qeth_l2_vnicc_query_chars(card);
2099caa1f0b1SHans Wippel
2100caa1f0b1SHans Wippel *state = (card->options.vnicc.cur_chars & vnicc) ? true : false;
2101caa1f0b1SHans Wippel return rc;
2102caa1f0b1SHans Wippel }
2103caa1f0b1SHans Wippel
2104349d13d5SHans Wippel /* set VNICC timeout; called from sysfs store function. Currently, only learning
2105349d13d5SHans Wippel * supports timeout
2106349d13d5SHans Wippel */
qeth_l2_vnicc_set_timeout(struct qeth_card * card,u32 timeout)2107349d13d5SHans Wippel int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout)
2108349d13d5SHans Wippel {
2109349d13d5SHans Wippel int rc = 0;
2110349d13d5SHans Wippel
2111349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccsto");
2112349d13d5SHans Wippel
2113349d13d5SHans Wippel /* check if characteristic and set_timeout are supported */
2114349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) ||
2115349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING))
2116349d13d5SHans Wippel return -EOPNOTSUPP;
2117349d13d5SHans Wippel
21186f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card))
21196f3846f0SAlexandra Winter return -EBUSY;
21206f3846f0SAlexandra Winter
2121349d13d5SHans Wippel /* do we need to do anything? */
2122349d13d5SHans Wippel if (card->options.vnicc.learning_timeout == timeout)
2123349d13d5SHans Wippel return rc;
2124349d13d5SHans Wippel
2125349d13d5SHans Wippel /* if card is not ready, simply store the value internally and return */
2126349d13d5SHans Wippel if (!qeth_card_hw_is_reachable(card)) {
2127349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout;
2128349d13d5SHans Wippel return rc;
2129349d13d5SHans Wippel }
2130349d13d5SHans Wippel
2131349d13d5SHans Wippel /* send timeout value to card; if successful, store value internally */
2132349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING,
2133349d13d5SHans Wippel IPA_VNICC_SET_TIMEOUT, &timeout);
2134349d13d5SHans Wippel if (!rc)
2135349d13d5SHans Wippel card->options.vnicc.learning_timeout = timeout;
2136349d13d5SHans Wippel
2137349d13d5SHans Wippel return rc;
2138349d13d5SHans Wippel }
2139349d13d5SHans Wippel
2140349d13d5SHans Wippel /* get current VNICC timeout; called from sysfs show function. Currently, only
2141349d13d5SHans Wippel * learning supports timeout
2142349d13d5SHans Wippel */
qeth_l2_vnicc_get_timeout(struct qeth_card * card,u32 * timeout)2143349d13d5SHans Wippel int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout)
2144349d13d5SHans Wippel {
2145349d13d5SHans Wippel int rc = 0;
2146349d13d5SHans Wippel
2147349d13d5SHans Wippel QETH_CARD_TEXT(card, 2, "vniccgto");
2148349d13d5SHans Wippel
2149349d13d5SHans Wippel /* check if characteristic and get_timeout are supported */
2150349d13d5SHans Wippel if (!(card->options.vnicc.sup_chars & QETH_VNICC_LEARNING) ||
2151349d13d5SHans Wippel !(card->options.vnicc.getset_timeout_sup & QETH_VNICC_LEARNING))
2152349d13d5SHans Wippel return -EOPNOTSUPP;
21536f3846f0SAlexandra Winter
21546f3846f0SAlexandra Winter if (qeth_bridgeport_is_in_use(card))
21556f3846f0SAlexandra Winter return -EBUSY;
21566f3846f0SAlexandra Winter
2157349d13d5SHans Wippel /* if card is ready, get timeout. Otherwise, just return stored value */
2158349d13d5SHans Wippel *timeout = card->options.vnicc.learning_timeout;
2159349d13d5SHans Wippel if (qeth_card_hw_is_reachable(card))
2160349d13d5SHans Wippel rc = qeth_l2_vnicc_getset_timeout(card, QETH_VNICC_LEARNING,
2161349d13d5SHans Wippel IPA_VNICC_GET_TIMEOUT,
2162349d13d5SHans Wippel timeout);
2163349d13d5SHans Wippel
2164349d13d5SHans Wippel return rc;
2165349d13d5SHans Wippel }
2166349d13d5SHans Wippel
2167caa1f0b1SHans Wippel /* check if VNICC is currently enabled */
_qeth_l2_vnicc_is_in_use(struct qeth_card * card)2168817741a8SAlexandra Winter static bool _qeth_l2_vnicc_is_in_use(struct qeth_card *card)
2169caa1f0b1SHans Wippel {
2170e8a66d80SAlexandra Winter if (!card->options.vnicc.sup_chars)
2171caa1f0b1SHans Wippel return false;
2172caa1f0b1SHans Wippel /* default values are only OK if rx_bcast was not enabled by user
2173caa1f0b1SHans Wippel * or the card is offline.
2174caa1f0b1SHans Wippel */
2175caa1f0b1SHans Wippel if (card->options.vnicc.cur_chars == QETH_VNICC_DEFAULT) {
2176caa1f0b1SHans Wippel if (!card->options.vnicc.rx_bcast_enabled ||
2177caa1f0b1SHans Wippel !qeth_card_hw_is_reachable(card))
2178caa1f0b1SHans Wippel return false;
2179caa1f0b1SHans Wippel }
2180caa1f0b1SHans Wippel return true;
2181caa1f0b1SHans Wippel }
2182caa1f0b1SHans Wippel
2183817741a8SAlexandra Winter /**
2184817741a8SAlexandra Winter * qeth_bridgeport_allowed - are any qeth_bridgeport functions allowed?
2185817741a8SAlexandra Winter * @card: qeth_card structure pointer
2186817741a8SAlexandra Winter *
2187817741a8SAlexandra Winter * qeth_bridgeport functionality is mutually exclusive with usage of the
2188817741a8SAlexandra Winter * VNIC Characteristics and dev2br address notifications
2189817741a8SAlexandra Winter */
qeth_bridgeport_allowed(struct qeth_card * card)2190817741a8SAlexandra Winter bool qeth_bridgeport_allowed(struct qeth_card *card)
2191817741a8SAlexandra Winter {
2192817741a8SAlexandra Winter struct qeth_priv *priv = netdev_priv(card->dev);
2193817741a8SAlexandra Winter
2194817741a8SAlexandra Winter return (!_qeth_l2_vnicc_is_in_use(card) &&
2195817741a8SAlexandra Winter !(priv->brport_features & BR_LEARNING_SYNC));
2196817741a8SAlexandra Winter }
2197817741a8SAlexandra Winter
2198caa1f0b1SHans Wippel /* recover user characteristic setting */
qeth_l2_vnicc_recover_char(struct qeth_card * card,u32 vnicc,bool enable)2199caa1f0b1SHans Wippel static bool qeth_l2_vnicc_recover_char(struct qeth_card *card, u32 vnicc,
2200caa1f0b1SHans Wippel bool enable)
2201caa1f0b1SHans Wippel {
2202caa1f0b1SHans Wippel u32 cmd = enable ? IPA_VNICC_ENABLE : IPA_VNICC_DISABLE;
2203caa1f0b1SHans Wippel
2204caa1f0b1SHans Wippel if (card->options.vnicc.sup_chars & vnicc &&
2205caa1f0b1SHans Wippel card->options.vnicc.set_char_sup & vnicc &&
2206caa1f0b1SHans Wippel !qeth_l2_vnicc_set_char(card, vnicc, cmd))
2207caa1f0b1SHans Wippel return false;
2208caa1f0b1SHans Wippel card->options.vnicc.wanted_chars &= ~vnicc;
2209caa1f0b1SHans Wippel card->options.vnicc.wanted_chars |= QETH_VNICC_DEFAULT & vnicc;
2210caa1f0b1SHans Wippel return true;
2211caa1f0b1SHans Wippel }
2212caa1f0b1SHans Wippel
2213a45b3fafSHans Wippel /* (re-)initialize VNICC */
qeth_l2_vnicc_init(struct qeth_card * card)2214a45b3fafSHans Wippel static void qeth_l2_vnicc_init(struct qeth_card *card)
2215a45b3fafSHans Wippel {
2216349d13d5SHans Wippel u32 *timeout = &card->options.vnicc.learning_timeout;
2217b528965bSAlexandra Winter bool enable, error = false;
2218caa1f0b1SHans Wippel unsigned int chars_len, i;
2219caa1f0b1SHans Wippel unsigned long chars_tmp;
2220caa1f0b1SHans Wippel u32 sup_cmds, vnicc;
2221caa1f0b1SHans Wippel
2222a45b3fafSHans Wippel QETH_CARD_TEXT(card, 2, "vniccini");
2223caa1f0b1SHans Wippel /* reset rx_bcast */
2224caa1f0b1SHans Wippel card->options.vnicc.rx_bcast_enabled = 0;
2225a45b3fafSHans Wippel /* initial query and storage of VNIC characteristics */
2226a45b3fafSHans Wippel if (qeth_l2_vnicc_query_chars(card)) {
2227349d13d5SHans Wippel if (card->options.vnicc.wanted_chars != QETH_VNICC_DEFAULT ||
2228349d13d5SHans Wippel *timeout != QETH_VNICC_DEFAULT_TIMEOUT)
2229caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n");
2230caa1f0b1SHans Wippel /* fail quietly if user didn't change the default config */
2231a45b3fafSHans Wippel card->options.vnicc.sup_chars = 0;
2232a45b3fafSHans Wippel card->options.vnicc.cur_chars = 0;
2233caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT;
2234caa1f0b1SHans Wippel return;
2235a45b3fafSHans Wippel }
2236caa1f0b1SHans Wippel /* get supported commands for each supported characteristic */
2237caa1f0b1SHans Wippel chars_tmp = card->options.vnicc.sup_chars;
2238caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.sup_chars) * BITS_PER_BYTE;
2239caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) {
2240caa1f0b1SHans Wippel vnicc = BIT(i);
2241b528965bSAlexandra Winter if (qeth_l2_vnicc_query_cmds(card, vnicc, &sup_cmds)) {
2242b528965bSAlexandra Winter sup_cmds = 0;
2243b528965bSAlexandra Winter error = true;
2244b528965bSAlexandra Winter }
2245be40a86cSAlexandra Winter if ((sup_cmds & IPA_VNICC_SET_TIMEOUT) &&
2246be40a86cSAlexandra Winter (sup_cmds & IPA_VNICC_GET_TIMEOUT))
2247be40a86cSAlexandra Winter card->options.vnicc.getset_timeout_sup |= vnicc;
2248be40a86cSAlexandra Winter else
2249349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup &= ~vnicc;
2250be40a86cSAlexandra Winter if ((sup_cmds & IPA_VNICC_ENABLE) &&
2251be40a86cSAlexandra Winter (sup_cmds & IPA_VNICC_DISABLE))
2252be40a86cSAlexandra Winter card->options.vnicc.set_char_sup |= vnicc;
2253be40a86cSAlexandra Winter else
2254caa1f0b1SHans Wippel card->options.vnicc.set_char_sup &= ~vnicc;
2255caa1f0b1SHans Wippel }
2256caa1f0b1SHans Wippel /* enforce assumed default values and recover settings, if changed */
2257b528965bSAlexandra Winter error |= qeth_l2_vnicc_recover_timeout(card, QETH_VNICC_LEARNING,
2258349d13d5SHans Wippel timeout);
2259d1b9ae18SAlexandra Winter /* Change chars, if necessary */
2260d1b9ae18SAlexandra Winter chars_tmp = card->options.vnicc.wanted_chars ^
2261d1b9ae18SAlexandra Winter card->options.vnicc.cur_chars;
2262caa1f0b1SHans Wippel chars_len = sizeof(card->options.vnicc.wanted_chars) * BITS_PER_BYTE;
2263caa1f0b1SHans Wippel for_each_set_bit(i, &chars_tmp, chars_len) {
2264caa1f0b1SHans Wippel vnicc = BIT(i);
2265caa1f0b1SHans Wippel enable = card->options.vnicc.wanted_chars & vnicc;
2266caa1f0b1SHans Wippel error |= qeth_l2_vnicc_recover_char(card, vnicc, enable);
2267caa1f0b1SHans Wippel }
2268caa1f0b1SHans Wippel if (error)
2269caa1f0b1SHans Wippel dev_err(&card->gdev->dev, "Configuring the VNIC characteristics failed\n");
2270caa1f0b1SHans Wippel }
2271caa1f0b1SHans Wippel
2272caa1f0b1SHans Wippel /* configure default values of VNIC characteristics */
qeth_l2_vnicc_set_defaults(struct qeth_card * card)2273caa1f0b1SHans Wippel static void qeth_l2_vnicc_set_defaults(struct qeth_card *card)
2274caa1f0b1SHans Wippel {
2275caa1f0b1SHans Wippel /* characteristics values */
2276caa1f0b1SHans Wippel card->options.vnicc.sup_chars = QETH_VNICC_ALL;
2277caa1f0b1SHans Wippel card->options.vnicc.cur_chars = QETH_VNICC_DEFAULT;
2278349d13d5SHans Wippel card->options.vnicc.learning_timeout = QETH_VNICC_DEFAULT_TIMEOUT;
2279caa1f0b1SHans Wippel /* supported commands */
2280caa1f0b1SHans Wippel card->options.vnicc.set_char_sup = QETH_VNICC_ALL;
2281349d13d5SHans Wippel card->options.vnicc.getset_timeout_sup = QETH_VNICC_LEARNING;
2282caa1f0b1SHans Wippel /* settings wanted by users */
2283caa1f0b1SHans Wippel card->options.vnicc.wanted_chars = QETH_VNICC_DEFAULT;
2284a45b3fafSHans Wippel }
2285a45b3fafSHans Wippel
228658fa3575SJulian Wiedmann static const struct device_type qeth_l2_devtype = {
228758fa3575SJulian Wiedmann .name = "qeth_layer2",
228858fa3575SJulian Wiedmann .groups = qeth_l2_attr_groups,
228958fa3575SJulian Wiedmann };
229058fa3575SJulian Wiedmann
qeth_l2_probe_device(struct ccwgroup_device * gdev)229158fa3575SJulian Wiedmann static int qeth_l2_probe_device(struct ccwgroup_device *gdev)
229258fa3575SJulian Wiedmann {
229358fa3575SJulian Wiedmann struct qeth_card *card = dev_get_drvdata(&gdev->dev);
229458fa3575SJulian Wiedmann int rc;
229558fa3575SJulian Wiedmann
229658fa3575SJulian Wiedmann qeth_l2_vnicc_set_defaults(card);
229758fa3575SJulian Wiedmann mutex_init(&card->sbp_lock);
229858fa3575SJulian Wiedmann
2299ae57ea7aSJulian Wiedmann if (gdev->dev.type) {
23000b8da811SJulian Wiedmann rc = device_add_groups(&gdev->dev, qeth_l2_attr_groups);
230158fa3575SJulian Wiedmann if (rc)
230258fa3575SJulian Wiedmann return rc;
2303ae57ea7aSJulian Wiedmann } else {
2304ae57ea7aSJulian Wiedmann gdev->dev.type = &qeth_l2_devtype;
230558fa3575SJulian Wiedmann }
230658fa3575SJulian Wiedmann
230758fa3575SJulian Wiedmann INIT_WORK(&card->rx_mode_work, qeth_l2_rx_mode_work);
230858fa3575SJulian Wiedmann return 0;
230958fa3575SJulian Wiedmann }
231058fa3575SJulian Wiedmann
qeth_l2_remove_device(struct ccwgroup_device * gdev)231158fa3575SJulian Wiedmann static void qeth_l2_remove_device(struct ccwgroup_device *gdev)
231258fa3575SJulian Wiedmann {
231358fa3575SJulian Wiedmann struct qeth_card *card = dev_get_drvdata(&gdev->dev);
231460bb1089SAlexandra Winter struct qeth_priv *priv;
231558fa3575SJulian Wiedmann
2316ae57ea7aSJulian Wiedmann if (gdev->dev.type != &qeth_l2_devtype)
23170b8da811SJulian Wiedmann device_remove_groups(&gdev->dev, qeth_l2_attr_groups);
2318ae57ea7aSJulian Wiedmann
231958fa3575SJulian Wiedmann qeth_set_allowed_threads(card, 0, 1);
232058fa3575SJulian Wiedmann wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
232158fa3575SJulian Wiedmann
2322b41b554cSJulian Wiedmann if (gdev->state == CCWGROUP_ONLINE)
23230b9902c1SJulian Wiedmann qeth_set_offline(card, card->discipline, false);
232458fa3575SJulian Wiedmann
232560bb1089SAlexandra Winter if (card->dev->reg_state == NETREG_REGISTERED) {
232660bb1089SAlexandra Winter priv = netdev_priv(card->dev);
232760bb1089SAlexandra Winter if (priv->brport_features & BR_LEARNING_SYNC) {
232860bb1089SAlexandra Winter rtnl_lock();
232960bb1089SAlexandra Winter qeth_l2_br2dev_put();
233060bb1089SAlexandra Winter rtnl_unlock();
233160bb1089SAlexandra Winter }
233258fa3575SJulian Wiedmann unregister_netdev(card->dev);
233358fa3575SJulian Wiedmann }
233460bb1089SAlexandra Winter }
233558fa3575SJulian Wiedmann
qeth_l2_set_online(struct qeth_card * card,bool carrier_ok)233658fa3575SJulian Wiedmann static int qeth_l2_set_online(struct qeth_card *card, bool carrier_ok)
233758fa3575SJulian Wiedmann {
233858fa3575SJulian Wiedmann struct net_device *dev = card->dev;
233958fa3575SJulian Wiedmann int rc = 0;
234058fa3575SJulian Wiedmann
234158fa3575SJulian Wiedmann qeth_l2_detect_dev2br_support(card);
234258fa3575SJulian Wiedmann
234358fa3575SJulian Wiedmann mutex_lock(&card->sbp_lock);
234458fa3575SJulian Wiedmann qeth_bridgeport_query_support(card);
234558fa3575SJulian Wiedmann if (card->options.sbp.supported_funcs) {
234658fa3575SJulian Wiedmann qeth_l2_setup_bridgeport_attrs(card);
234758fa3575SJulian Wiedmann dev_info(&card->gdev->dev,
234858fa3575SJulian Wiedmann "The device represents a Bridge Capable Port\n");
234958fa3575SJulian Wiedmann }
235058fa3575SJulian Wiedmann mutex_unlock(&card->sbp_lock);
235158fa3575SJulian Wiedmann
235258fa3575SJulian Wiedmann qeth_l2_register_dev_addr(card);
235358fa3575SJulian Wiedmann
235458fa3575SJulian Wiedmann /* for the rx_bcast characteristic, init VNICC after setmac */
235558fa3575SJulian Wiedmann qeth_l2_vnicc_init(card);
235658fa3575SJulian Wiedmann
235758fa3575SJulian Wiedmann qeth_l2_trace_features(card);
235858fa3575SJulian Wiedmann
235958fa3575SJulian Wiedmann /* softsetup */
236058fa3575SJulian Wiedmann QETH_CARD_TEXT(card, 2, "softsetp");
236158fa3575SJulian Wiedmann
236258fa3575SJulian Wiedmann card->state = CARD_STATE_SOFTSETUP;
236358fa3575SJulian Wiedmann
236458fa3575SJulian Wiedmann qeth_set_allowed_threads(card, 0xffffffff, 0);
236558fa3575SJulian Wiedmann
236658fa3575SJulian Wiedmann if (dev->reg_state != NETREG_REGISTERED) {
236758fa3575SJulian Wiedmann rc = qeth_l2_setup_netdev(card);
236858fa3575SJulian Wiedmann if (rc)
236958fa3575SJulian Wiedmann goto err_setup;
237058fa3575SJulian Wiedmann
237158fa3575SJulian Wiedmann if (carrier_ok)
237258fa3575SJulian Wiedmann netif_carrier_on(dev);
237358fa3575SJulian Wiedmann } else {
237458fa3575SJulian Wiedmann rtnl_lock();
2375bb5ab541SJulian Wiedmann rc = qeth_set_real_num_tx_queues(card,
2376bb5ab541SJulian Wiedmann qeth_tx_actual_queues(card));
2377bb5ab541SJulian Wiedmann if (rc) {
2378bb5ab541SJulian Wiedmann rtnl_unlock();
2379bb5ab541SJulian Wiedmann goto err_set_queues;
2380bb5ab541SJulian Wiedmann }
2381bb5ab541SJulian Wiedmann
238258fa3575SJulian Wiedmann if (carrier_ok)
238358fa3575SJulian Wiedmann netif_carrier_on(dev);
238458fa3575SJulian Wiedmann else
238558fa3575SJulian Wiedmann netif_carrier_off(dev);
238658fa3575SJulian Wiedmann
238758fa3575SJulian Wiedmann netif_device_attach(dev);
238858fa3575SJulian Wiedmann qeth_enable_hw_features(dev);
238958fa3575SJulian Wiedmann qeth_l2_enable_brport_features(card);
239058fa3575SJulian Wiedmann
2391*1cfef80dSAlexandra Winter if (netif_running(dev)) {
2392*1cfef80dSAlexandra Winter local_bh_disable();
2393*1cfef80dSAlexandra Winter napi_schedule(&card->napi);
2394*1cfef80dSAlexandra Winter /* kick-start the NAPI softirq: */
2395*1cfef80dSAlexandra Winter local_bh_enable();
2396*1cfef80dSAlexandra Winter qeth_l2_set_rx_mode(dev);
239758fa3575SJulian Wiedmann }
239858fa3575SJulian Wiedmann rtnl_unlock();
239958fa3575SJulian Wiedmann }
240058fa3575SJulian Wiedmann return 0;
240158fa3575SJulian Wiedmann
2402bb5ab541SJulian Wiedmann err_set_queues:
240358fa3575SJulian Wiedmann err_setup:
240458fa3575SJulian Wiedmann qeth_set_allowed_threads(card, 0, 1);
240558fa3575SJulian Wiedmann card->state = CARD_STATE_DOWN;
240658fa3575SJulian Wiedmann return rc;
240758fa3575SJulian Wiedmann }
240858fa3575SJulian Wiedmann
qeth_l2_set_offline(struct qeth_card * card)240958fa3575SJulian Wiedmann static void qeth_l2_set_offline(struct qeth_card *card)
241058fa3575SJulian Wiedmann {
241158fa3575SJulian Wiedmann struct qeth_priv *priv = netdev_priv(card->dev);
241258fa3575SJulian Wiedmann
241358fa3575SJulian Wiedmann qeth_set_allowed_threads(card, 0, 1);
241458fa3575SJulian Wiedmann qeth_l2_drain_rx_mode_cache(card);
241558fa3575SJulian Wiedmann
241658fa3575SJulian Wiedmann if (card->state == CARD_STATE_SOFTSETUP)
241758fa3575SJulian Wiedmann card->state = CARD_STATE_DOWN;
241858fa3575SJulian Wiedmann
241958fa3575SJulian Wiedmann qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
242009840f70SJulian Wiedmann if (priv->brport_features & BR_LEARNING_SYNC)
242158fa3575SJulian Wiedmann qeth_l2_dev2br_fdb_flush(card);
242258fa3575SJulian Wiedmann }
242358fa3575SJulian Wiedmann
242458fa3575SJulian Wiedmann /* Returns zero if the command is successfully "consumed" */
qeth_l2_control_event(struct qeth_card * card,struct qeth_ipa_cmd * cmd)242558fa3575SJulian Wiedmann static int qeth_l2_control_event(struct qeth_card *card,
242658fa3575SJulian Wiedmann struct qeth_ipa_cmd *cmd)
242758fa3575SJulian Wiedmann {
242858fa3575SJulian Wiedmann switch (cmd->hdr.command) {
242958fa3575SJulian Wiedmann case IPA_CMD_SETBRIDGEPORT_OSA:
243058fa3575SJulian Wiedmann case IPA_CMD_SETBRIDGEPORT_IQD:
243158fa3575SJulian Wiedmann if (cmd->data.sbp.hdr.command_code ==
243258fa3575SJulian Wiedmann IPA_SBP_BRIDGE_PORT_STATE_CHANGE) {
243358fa3575SJulian Wiedmann qeth_bridge_state_change(card, cmd);
243458fa3575SJulian Wiedmann return 0;
243558fa3575SJulian Wiedmann }
243658fa3575SJulian Wiedmann
243758fa3575SJulian Wiedmann return 1;
243858fa3575SJulian Wiedmann case IPA_CMD_ADDRESS_CHANGE_NOTIF:
243958fa3575SJulian Wiedmann qeth_addr_change_event(card, cmd);
244058fa3575SJulian Wiedmann return 0;
244158fa3575SJulian Wiedmann default:
244258fa3575SJulian Wiedmann return 1;
244358fa3575SJulian Wiedmann }
244458fa3575SJulian Wiedmann }
244558fa3575SJulian Wiedmann
244650144f67SJulian Wiedmann const struct qeth_discipline qeth_l2_discipline = {
244758fa3575SJulian Wiedmann .setup = qeth_l2_probe_device,
244858fa3575SJulian Wiedmann .remove = qeth_l2_remove_device,
244958fa3575SJulian Wiedmann .set_online = qeth_l2_set_online,
245058fa3575SJulian Wiedmann .set_offline = qeth_l2_set_offline,
245158fa3575SJulian Wiedmann .control_event_handler = qeth_l2_control_event,
245258fa3575SJulian Wiedmann };
245358fa3575SJulian Wiedmann EXPORT_SYMBOL_GPL(qeth_l2_discipline);
245458fa3575SJulian Wiedmann
qeth_l2_init(void)245558fa3575SJulian Wiedmann static int __init qeth_l2_init(void)
245658fa3575SJulian Wiedmann {
245758fa3575SJulian Wiedmann pr_info("register layer 2 discipline\n");
245860bb1089SAlexandra Winter refcount_set(&qeth_l2_switchdev_notify_refcnt, 0);
245958fa3575SJulian Wiedmann return 0;
246058fa3575SJulian Wiedmann }
246158fa3575SJulian Wiedmann
qeth_l2_exit(void)246258fa3575SJulian Wiedmann static void __exit qeth_l2_exit(void)
246358fa3575SJulian Wiedmann {
246458fa3575SJulian Wiedmann pr_info("unregister layer 2 discipline\n");
246558fa3575SJulian Wiedmann }
246658fa3575SJulian Wiedmann
24674a71df50SFrank Blaschka module_init(qeth_l2_init);
24684a71df50SFrank Blaschka module_exit(qeth_l2_exit);
24694a71df50SFrank Blaschka MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>");
24704a71df50SFrank Blaschka MODULE_DESCRIPTION("qeth layer 2 discipline");
24714a71df50SFrank Blaschka MODULE_LICENSE("GPL");
2472