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s390/qeth: use IS_* helpers for checking device type

Browse Source 
We have helper macros for all possible device types, replace all
remaining open-coded accesses to the type fields.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann 2019-04-25 18:25:57 +02:00 committed by David S. Miller
parent 5c0bfba780
commit 379ac99e51
7 changed files with 54 additions and 78 deletions
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2
drivers/s390/net/qeth_core.h
View File

@ -667,7 +667,7 @@ struct qeth_card_info {
__u16 func_level;
char mcl_level[QETH_MCL_LENGTH + 1];
u8 open_when_online:1;
int guestlan;
u8 is_vm_nic:1;
int mac_bits;
enum qeth_card_types type;
enum qeth_link_types link_type;

80
drivers/s390/net/qeth_core_main.c
View File

@ -85,7 +85,7 @@ static void qeth_close_dev_handler(struct work_struct *work)
static const char *qeth_get_cardname(struct qeth_card *card)
{
if (card->info.guestlan) {
if (IS_VM_NIC(card)) {
switch (card->info.type) {
case QETH_CARD_TYPE_OSD:
return " Virtual NIC QDIO";
@ -120,7 +120,7 @@ static const char *qeth_get_cardname(struct qeth_card *card)
/* max length to be returned: 14 */
const char *qeth_get_cardname_short(struct qeth_card *card)
{
if (card->info.guestlan) {
if (IS_VM_NIC(card)) {
switch (card->info.type) {
case QETH_CARD_TYPE_OSD:
return "Virt.NIC QDIO";
@ -1330,7 +1330,7 @@ static void qeth_init_qdio_info(struct qeth_card *card)
/* inbound */
card->qdio.no_in_queues = 1;
card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
if (card->info.type == QETH_CARD_TYPE_IQD)
if (IS_IQD(card))
card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_HSDEFAULT;
else
card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
@ -1554,7 +1554,7 @@ int qeth_qdio_clear_card(struct qeth_card *card, int use_halt)
switch (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ESTABLISHED,
QETH_QDIO_CLEANING)) {
case QETH_QDIO_ESTABLISHED:
if (card->info.type == QETH_CARD_TYPE_IQD)
if (IS_IQD(card))
rc = qdio_shutdown(CARD_DDEV(card),
QDIO_FLAG_CLEANUP_USING_HALT);
else
@ -1627,8 +1627,8 @@ static void qeth_configure_unitaddr(struct qeth_card *card, char *prcd)
card->info.chpid = prcd[30];
card->info.unit_addr2 = prcd[31];
card->info.cula = prcd[63];
card->info.guestlan = ((prcd[0x10] == _ascebc['V']) &&
(prcd[0x11] == _ascebc['M']));
card->info.is_vm_nic = ((prcd[0x10] == _ascebc['V']) &&
(prcd[0x11] == _ascebc['M']));
}
static enum qeth_discipline_id qeth_vm_detect_layer(struct qeth_card *card)
@ -1692,13 +1692,11 @@ static enum qeth_discipline_id qeth_enforce_discipline(struct qeth_card *card)
{
enum qeth_discipline_id disc = QETH_DISCIPLINE_UNDETERMINED;
if (card->info.type == QETH_CARD_TYPE_OSM ||
card->info.type == QETH_CARD_TYPE_OSN)
if (IS_OSM(card) || IS_OSN(card))
disc = QETH_DISCIPLINE_LAYER2;
else if (card->info.guestlan)
disc = (card->info.type == QETH_CARD_TYPE_IQD) ?
QETH_DISCIPLINE_LAYER3 :
qeth_vm_detect_layer(card);
else if (IS_VM_NIC(card))
disc = IS_IQD(card) ? QETH_DISCIPLINE_LAYER3 :
qeth_vm_detect_layer(card);
switch (disc) {
case QETH_DISCIPLINE_LAYER2:
@ -2217,7 +2215,7 @@ static int qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply,
memcpy(&card->token.ulp_filter_r,
QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data),
QETH_MPC_TOKEN_LENGTH);
if (card->info.type == QETH_CARD_TYPE_IQD) {
if (IS_IQD(card)) {
memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2);
mtu = qeth_get_mtu_outof_framesize(framesize);
} else {
@ -2555,7 +2553,7 @@ static int qeth_mpc_initialize(struct qeth_card *card)
return 0;
out_qdio:
qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD);
qeth_qdio_clear_card(card, !IS_IQD(card));
qdio_free(CARD_DDEV(card));
return rc;
}
@ -2578,8 +2576,7 @@ void qeth_print_status_message(struct qeth_card *card)
}
/* fallthrough */
case QETH_CARD_TYPE_IQD:
if ((card->info.guestlan) ||
(card->info.mcl_level[0] & 0x80)) {
if (IS_VM_NIC(card) || (card->info.mcl_level[0] & 0x80)) {
card->info.mcl_level[0] = (char) _ebcasc[(__u8)
card->info.mcl_level[0]];
card->info.mcl_level[1] = (char) _ebcasc[(__u8)
@ -3237,7 +3234,7 @@ static void qeth_handle_send_error(struct qeth_card *card,
int sbalf15 = buffer->buffer->element[15].sflags;
QETH_CARD_TEXT(card, 6, "hdsnderr");
if (card->info.type == QETH_CARD_TYPE_IQD) {
if (IS_IQD(card)) {
if (sbalf15 == 0) {
qdio_err = 0;
} else {
@ -3334,7 +3331,7 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index,
if (queue->bufstates)
queue->bufstates[bidx].user = buf;
if (queue->card->info.type == QETH_CARD_TYPE_IQD)
if (IS_IQD(queue->card))
continue;
if (!queue->do_pack) {
@ -3585,7 +3582,7 @@ static void qeth_qdio_output_handler(struct ccw_device *ccwdev,
}
atomic_sub(count, &queue->used_buffers);
/* check if we need to do something on this outbound queue */
if (card->info.type != QETH_CARD_TYPE_IQD)
if (!IS_IQD(card))
qeth_check_outbound_queue(queue);
if (IS_IQD(card))
@ -4336,9 +4333,8 @@ int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback)
QETH_CARD_TEXT(card, 4, "setactlo");
if ((card->info.type == QETH_CARD_TYPE_OSD ||
card->info.type == QETH_CARD_TYPE_OSX) &&
qeth_adp_supported(card, IPA_SETADP_SET_ACCESS_CONTROL)) {
if ((IS_OSD(card) || IS_OSX(card)) &&
qeth_adp_supported(card, IPA_SETADP_SET_ACCESS_CONTROL)) {
rc = qeth_setadpparms_set_access_ctrl(card,
card->options.isolation, fallback);
if (rc) {
@ -4503,7 +4499,7 @@ static int qeth_snmp_command(struct qeth_card *card, char __user *udata)
QETH_CARD_TEXT(card, 3, "snmpcmd");
if (card->info.guestlan)
if (IS_VM_NIC(card))
return -EOPNOTSUPP;
if ((!qeth_adp_supported(card, IPA_SETADP_SET_SNMP_CONTROL)) &&
@ -4746,14 +4742,6 @@ out:
}
EXPORT_SYMBOL_GPL(qeth_vm_request_mac);
static int qeth_get_qdio_q_format(struct qeth_card *card)
{
if (card->info.type == QETH_CARD_TYPE_IQD)
return QDIO_IQDIO_QFMT;
else
return QDIO_QETH_QFMT;
}
static void qeth_determine_capabilities(struct qeth_card *card)
{
int rc;
@ -4892,7 +4880,8 @@ static int qeth_qdio_establish(struct qeth_card *card)
memset(&init_data, 0, sizeof(struct qdio_initialize));
init_data.cdev = CARD_DDEV(card);
init_data.q_format = qeth_get_qdio_q_format(card);
init_data.q_format = IS_IQD(card) ? QDIO_IQDIO_QFMT :
QDIO_QETH_QFMT;
init_data.qib_param_field_format = 0;
init_data.qib_param_field = qib_param_field;
init_data.no_input_qs = card->qdio.no_in_queues;
@ -4904,8 +4893,7 @@ static int qeth_qdio_establish(struct qeth_card *card)
init_data.input_sbal_addr_array = in_sbal_ptrs;
init_data.output_sbal_addr_array = out_sbal_ptrs;
init_data.output_sbal_state_array = card->qdio.out_bufstates;
init_data.scan_threshold =
(card->info.type == QETH_CARD_TYPE_IQD) ? 1 : 32;
init_data.scan_threshold = IS_IQD(card) ? 1 : 32;
if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED,
QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED) {
@ -5007,7 +4995,7 @@ retry:
if (retries < 3)
QETH_DBF_MESSAGE(2, "Retrying to do IDX activates on device %x.\n",
CARD_DEVID(card));
rc = qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD);
rc = qeth_qdio_clear_card(card, !IS_IQD(card));
ccw_device_set_offline(CARD_DDEV(card));
ccw_device_set_offline(CARD_WDEV(card));
ccw_device_set_offline(CARD_RDEV(card));
@ -5189,7 +5177,7 @@ struct sk_buff *qeth_core_get_next_skb(struct qeth_card *card,
return NULL;
if (((skb_len >= card->options.rx_sg_cb) &&
(!(card->info.type == QETH_CARD_TYPE_OSN)) &&
!IS_OSN(card) &&
(!atomic_read(&card->force_alloc_skb))) ||
(card->options.cq == QETH_CQ_ENABLED))
use_rx_sg = 1;
@ -5687,9 +5675,8 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev)
if (rc)
goto err_load;
gdev->dev.type = (card->info.type != QETH_CARD_TYPE_OSN)
? card->discipline->devtype
: &qeth_osn_devtype;
gdev->dev.type = IS_OSN(card) ? &qeth_osn_devtype :
card->discipline->devtype;
rc = card->discipline->setup(card->gdev);
if (rc)
goto err_disc;
@ -5733,10 +5720,8 @@ static int qeth_core_set_online(struct ccwgroup_device *gdev)
enum qeth_discipline_id def_discipline;
if (!card->discipline) {
if (card->info.type == QETH_CARD_TYPE_IQD)
def_discipline = QETH_DISCIPLINE_LAYER3;
else
def_discipline = QETH_DISCIPLINE_LAYER2;
def_discipline = IS_IQD(card) ? QETH_DISCIPLINE_LAYER3 :
QETH_DISCIPLINE_LAYER2;
rc = qeth_core_load_discipline(card, def_discipline);
if (rc)
goto err;
@ -5864,13 +5849,10 @@ int qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
break;
case SIOC_QETH_GET_CARD_TYPE:
if ((card->info.type == QETH_CARD_TYPE_OSD ||
card->info.type == QETH_CARD_TYPE_OSM ||
card->info.type == QETH_CARD_TYPE_OSX) &&
!card->info.guestlan)
if ((IS_OSD(card) || IS_OSM(card) || IS_OSX(card)) &&
!IS_VM_NIC(card))
return 1;
else
return 0;
return 0;
case SIOCGMIIPHY:
mii_data = if_mii(rq);
mii_data->phy_id = 0;

2
drivers/s390/net/qeth_core_mpc.h
View File

@ -82,7 +82,7 @@ enum qeth_card_types {
#define IS_OSM(card) ((card)->info.type == QETH_CARD_TYPE_OSM)
#define IS_OSN(card) ((card)->info.type == QETH_CARD_TYPE_OSN)
#define IS_OSX(card) ((card)->info.type == QETH_CARD_TYPE_OSX)
#define IS_VM_NIC(card) ((card)->info.guestlan)
#define IS_VM_NIC(card) ((card)->info.is_vm_nic)
#define QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE 0x18
/* only the first two bytes are looked at in qeth_get_cardname_short */

3
drivers/s390/net/qeth_core_sys.c
View File

@ -479,8 +479,7 @@ static ssize_t qeth_dev_isolation_store(struct device *dev,
return -EINVAL;
mutex_lock(&card->conf_mutex);
if (card->info.type != QETH_CARD_TYPE_OSD &&
card->info.type != QETH_CARD_TYPE_OSX) {
if (!IS_OSD(card) && !IS_OSX(card)) {
rc = -EOPNOTSUPP;
dev_err(&card->gdev->dev, "Adapter does not "
"support QDIO data connection isolation\n");

15
drivers/s390/net/qeth_l2_main.c
View File

@ -336,7 +336,7 @@ static int qeth_l2_process_inbound_buffer(struct qeth_card *card,
napi_gro_receive(&card->napi, skb);
break;
case QETH_HEADER_TYPE_OSN:
if (card->info.type == QETH_CARD_TYPE_OSN) {
if (IS_OSN(card)) {
skb_push(skb, sizeof(struct qeth_hdr));
skb_copy_to_linear_data(skb, hdr,
sizeof(struct qeth_hdr));
@ -387,8 +387,7 @@ static int qeth_l2_request_initial_mac(struct qeth_card *card)
}
/* some devices don't support a custom MAC address: */
if (card->info.type == QETH_CARD_TYPE_OSM ||
card->info.type == QETH_CARD_TYPE_OSX)
if (IS_OSM(card) || IS_OSX(card))
return (rc) ? rc : -EADDRNOTAVAIL;
eth_hw_addr_random(card->dev);
@ -733,7 +732,7 @@ static int qeth_l2_setup_netdev(struct qeth_card *card, bool carrier_ok)
card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
}
if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) {
if (IS_OSD(card) && !IS_VM_NIC(card)) {
card->dev->features |= NETIF_F_SG;
/* OSA 3S and earlier has no RX/TX support */
if (qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) {
@ -843,8 +842,7 @@ static int qeth_l2_set_online(struct ccwgroup_device *gdev)
/* softsetup */
QETH_DBF_TEXT(SETUP, 2, "softsetp");
if ((card->info.type == QETH_CARD_TYPE_OSD) ||
(card->info.type == QETH_CARD_TYPE_OSX)) {
if (IS_OSD(card) || IS_OSX(card)) {
rc = qeth_l2_start_ipassists(card);
if (rc)
goto out_remove;
@ -1468,9 +1466,8 @@ static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card,
enum qeth_ipa_sbp_cmd sbp_cmd,
unsigned int cmd_length)
{
enum qeth_ipa_cmds ipa_cmd = (card->info.type == QETH_CARD_TYPE_IQD) ?
IPA_CMD_SETBRIDGEPORT_IQD :
IPA_CMD_SETBRIDGEPORT_OSA;
enum qeth_ipa_cmds ipa_cmd = IS_IQD(card) ? IPA_CMD_SETBRIDGEPORT_IQD :
IPA_CMD_SETBRIDGEPORT_OSA;
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;

24
drivers/s390/net/qeth_l3_main.c
View File

@ -474,7 +474,7 @@ static int qeth_l3_send_setrouting(struct qeth_card *card,
static int qeth_l3_correct_routing_type(struct qeth_card *card,
enum qeth_routing_types *type, enum qeth_prot_versions prot)
{
if (card->info.type == QETH_CARD_TYPE_IQD) {
if (IS_IQD(card)) {
switch (*type) {
case NO_ROUTER:
case PRIMARY_CONNECTOR:
@ -854,7 +854,7 @@ static int qeth_l3_softsetup_ipv6(struct qeth_card *card)
QETH_CARD_TEXT(card, 3, "softipv6");
if (card->info.type == QETH_CARD_TYPE_IQD)
if (IS_IQD(card))
goto out;
rc = qeth_send_simple_setassparms(card, IPA_IPV6,
@ -1380,8 +1380,7 @@ static int qeth_l3_process_inbound_buffer(struct qeth_card *card,
switch (hdr->hdr.l3.id) {
case QETH_HEADER_TYPE_LAYER3:
magic = *(__u16 *)skb->data;
if ((card->info.type == QETH_CARD_TYPE_IQD) &&
(magic == ETH_P_AF_IUCV)) {
if (IS_IQD(card) && magic == ETH_P_AF_IUCV) {
len = skb->len;
dev_hard_header(skb, dev, ETH_P_AF_IUCV,
dev->dev_addr, "FAKELL", len);
@ -1460,7 +1459,7 @@ qeth_l3_handle_promisc_mode(struct qeth_card *card)
(card->info.promisc_mode == SET_PROMISC_MODE_OFF)))
return;
if (card->info.guestlan) { /* Guestlan trace */
if (IS_VM_NIC(card)) { /* Guestlan trace */
if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
qeth_setadp_promisc_mode(card);
} else if (card->options.sniffer && /* HiperSockets trace */
@ -1557,7 +1556,7 @@ static int qeth_l3_arp_set_no_entries(struct qeth_card *card, int no_entries)
* IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES;
* thus we say EOPNOTSUPP for this ARP function
*/
if (card->info.guestlan)
if (IS_VM_NIC(card))
return -EOPNOTSUPP;
if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) {
return -EOPNOTSUPP;
@ -1789,7 +1788,7 @@ static int qeth_l3_arp_modify_entry(struct qeth_card *card,
* IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY;
* thus we say EOPNOTSUPP for this ARP function
*/
if (card->info.guestlan)
if (IS_VM_NIC(card))
return -EOPNOTSUPP;
if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) {
return -EOPNOTSUPP;
@ -1822,7 +1821,7 @@ static int qeth_l3_arp_flush_cache(struct qeth_card *card)
* IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE;
* thus we say EOPNOTSUPP for this ARP function
*/
if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD))
if (IS_VM_NIC(card) || IS_IQD(card))
return -EOPNOTSUPP;
if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) {
return -EOPNOTSUPP;
@ -2013,7 +2012,7 @@ static void qeth_l3_fill_header(struct qeth_qdio_out_q *queue,
l3_hdr->next_hop.ipv6_addr = ipv6_hdr(skb)->daddr;
hdr->hdr.l3.flags |= QETH_HDR_IPV6;
if (card->info.type != QETH_CARD_TYPE_IQD)
if (!IS_IQD(card))
hdr->hdr.l3.flags |= QETH_HDR_PASSTHRU;
}
rcu_read_unlock();
@ -2195,8 +2194,7 @@ static int qeth_l3_setup_netdev(struct qeth_card *card, bool carrier_ok)
unsigned int headroom;
int rc;
if (card->info.type == QETH_CARD_TYPE_OSD ||
card->info.type == QETH_CARD_TYPE_OSX) {
if (IS_OSD(card) || IS_OSX(card)) {
if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) ||
(card->info.link_type == QETH_LINK_TYPE_HSTR)) {
pr_info("qeth_l3: ignoring TR device\n");
@ -2210,7 +2208,7 @@ static int qeth_l3_setup_netdev(struct qeth_card *card, bool carrier_ok)
if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
card->dev->dev_id = card->info.unique_id & 0xffff;
if (!card->info.guestlan) {
if (!IS_VM_NIC(card)) {
card->dev->features |= NETIF_F_SG;
card->dev->hw_features |= NETIF_F_TSO |
NETIF_F_RXCSUM | NETIF_F_IP_CSUM;
@ -2234,7 +2232,7 @@ static int qeth_l3_setup_netdev(struct qeth_card *card, bool carrier_ok)
headroom = sizeof(struct qeth_hdr_tso);
else
headroom = sizeof(struct qeth_hdr) + VLAN_HLEN;
} else if (card->info.type == QETH_CARD_TYPE_IQD) {
} else if (IS_IQD(card)) {
card->dev->flags |= IFF_NOARP;
card->dev->netdev_ops = &qeth_l3_netdev_ops;
headroom = sizeof(struct qeth_hdr) - ETH_HLEN;

6
drivers/s390/net/qeth_l3_sys.c
View File

@ -206,7 +206,7 @@ static ssize_t qeth_l3_dev_sniffer_store(struct device *dev,
if (!card)
return -EINVAL;
if (card->info.type != QETH_CARD_TYPE_IQD)
if (!IS_IQD(card))
return -EPERM;
if (card->options.cq == QETH_CQ_ENABLED)
return -EPERM;
@ -258,7 +258,7 @@ static ssize_t qeth_l3_dev_hsuid_show(struct device *dev,
if (!card)
return -EINVAL;
if (card->info.type != QETH_CARD_TYPE_IQD)
if (!IS_IQD(card))
return -EPERM;
memcpy(tmp_hsuid, card->options.hsuid, sizeof(tmp_hsuid));
@ -276,7 +276,7 @@ static ssize_t qeth_l3_dev_hsuid_store(struct device *dev,
if (!card)
return -EINVAL;
if (card->info.type != QETH_CARD_TYPE_IQD)
if (!IS_IQD(card))
return -EPERM;
if (card->state != CARD_STATE_DOWN)
return -EPERM;