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-rw-r--r--drivers/s390/cio/chsc.c22
-rw-r--r--drivers/s390/cio/chsc.h8
-rw-r--r--drivers/s390/cio/css.c11
-rw-r--r--drivers/s390/cio/css.h4
-rw-r--r--drivers/s390/cio/device_ops.c93
-rw-r--r--drivers/s390/net/Kconfig2
-rw-r--r--drivers/s390/net/qeth_core.h26
-rw-r--r--drivers/s390/net/qeth_core_main.c125
-rw-r--r--drivers/s390/net/qeth_core_mpc.h14
-rw-r--r--drivers/s390/net/qeth_l2.h2
-rw-r--r--drivers/s390/net/qeth_l2_main.c522
-rw-r--r--drivers/s390/net/qeth_l2_sys.c17
-rw-r--r--drivers/s390/net/qeth_l3_main.c3
13 files changed, 688 insertions, 161 deletions
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index c314e9495c1b..38017c4a31e9 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -65,6 +65,8 @@ int chsc_error_from_response(int response)
case 0x0100:
case 0x0102:
return -ENOMEM;
+ case 0x0108: /* "HW limit exceeded" for the op 0x003d */
+ return -EUSERS;
default:
return -EIO;
}
@@ -1114,7 +1116,7 @@ int chsc_enable_facility(int operation_code)
return ret;
}
-int __init chsc_get_cssid(int idx)
+int __init chsc_get_cssid_iid(int idx, u8 *cssid, u8 *iid)
{
struct {
struct chsc_header request;
@@ -1125,7 +1127,8 @@ int __init chsc_get_cssid(int idx)
u32 reserved2[3];
struct {
u8 cssid;
- u32 : 24;
+ u8 iid;
+ u32 : 16;
} list[0];
} *sdcal_area;
int ret;
@@ -1151,8 +1154,10 @@ int __init chsc_get_cssid(int idx)
}
if ((addr_t) &sdcal_area->list[idx] <
- (addr_t) &sdcal_area->response + sdcal_area->response.length)
- ret = sdcal_area->list[idx].cssid;
+ (addr_t) &sdcal_area->response + sdcal_area->response.length) {
+ *cssid = sdcal_area->list[idx].cssid;
+ *iid = sdcal_area->list[idx].iid;
+ }
else
ret = -ENODEV;
exit:
@@ -1340,6 +1345,7 @@ EXPORT_SYMBOL_GPL(chsc_scm_info);
* chsc_pnso() - Perform Network-Subchannel Operation
* @schid: id of the subchannel on which PNSO is performed
* @pnso_area: request and response block for the operation
+ * @oc: Operation Code
* @resume_token: resume token for multiblock response
* @cnc: Boolean change-notification control
*
@@ -1347,10 +1353,8 @@ EXPORT_SYMBOL_GPL(chsc_scm_info);
*
* Returns 0 on success.
*/
-int chsc_pnso(struct subchannel_id schid,
- struct chsc_pnso_area *pnso_area,
- struct chsc_pnso_resume_token resume_token,
- int cnc)
+int chsc_pnso(struct subchannel_id schid, struct chsc_pnso_area *pnso_area,
+ u8 oc, struct chsc_pnso_resume_token resume_token, int cnc)
{
memset(pnso_area, 0, sizeof(*pnso_area));
pnso_area->request.length = 0x0030;
@@ -1359,7 +1363,7 @@ int chsc_pnso(struct subchannel_id schid,
pnso_area->ssid = schid.ssid;
pnso_area->sch = schid.sch_no;
pnso_area->cssid = schid.cssid;
- pnso_area->oc = 0; /* Store-network-bridging-information list */
+ pnso_area->oc = oc;
pnso_area->resume_token = resume_token;
pnso_area->n = (cnc != 0);
if (chsc(pnso_area))
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h
index 7ecf7e4c402e..c2b83b68bc57 100644
--- a/drivers/s390/cio/chsc.h
+++ b/drivers/s390/cio/chsc.h
@@ -205,12 +205,10 @@ struct chsc_scm_info {
int chsc_scm_info(struct chsc_scm_info *scm_area, u64 token);
-int chsc_pnso(struct subchannel_id schid,
- struct chsc_pnso_area *pnso_area,
- struct chsc_pnso_resume_token resume_token,
- int cnc);
+int chsc_pnso(struct subchannel_id schid, struct chsc_pnso_area *pnso_area,
+ u8 oc, struct chsc_pnso_resume_token resume_token, int cnc);
-int __init chsc_get_cssid(int idx);
+int __init chsc_get_cssid_iid(int idx, u8 *cssid, u8 *iid);
#ifdef CONFIG_SCM_BUS
int scm_update_information(void);
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index aca022239b33..1981eb62d329 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -854,7 +854,7 @@ css_generate_pgid(struct channel_subsystem *css, u32 tod_high)
if (css_general_characteristics.mcss) {
css->global_pgid.pgid_high.ext_cssid.version = 0x80;
css->global_pgid.pgid_high.ext_cssid.cssid =
- (css->cssid < 0) ? 0 : css->cssid;
+ css->id_valid ? css->cssid : 0;
} else {
css->global_pgid.pgid_high.cpu_addr = stap();
}
@@ -877,7 +877,7 @@ static ssize_t real_cssid_show(struct device *dev, struct device_attribute *a,
{
struct channel_subsystem *css = to_css(dev);
- if (css->cssid < 0)
+ if (!css->id_valid)
return -EINVAL;
return sprintf(buf, "%x\n", css->cssid);
@@ -975,7 +975,12 @@ static int __init setup_css(int nr)
css->device.dma_mask = &css->device.coherent_dma_mask;
mutex_init(&css->mutex);
- css->cssid = chsc_get_cssid(nr);
+ ret = chsc_get_cssid_iid(nr, &css->cssid, &css->iid);
+ if (!ret) {
+ css->id_valid = true;
+ pr_info("Partition identifier %01x.%01x\n", css->cssid,
+ css->iid);
+ }
css_generate_pgid(css, (u32) (get_tod_clock() >> 32));
ret = device_register(&css->device);
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 8d832900a63d..3f322ea0f498 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -115,7 +115,9 @@ extern int for_each_subchannel(int(*fn)(struct subchannel_id, void *), void *);
void css_update_ssd_info(struct subchannel *sch);
struct channel_subsystem {
- int cssid;
+ u8 cssid;
+ u8 iid;
+ bool id_valid; /* cssid,iid */
struct channel_path *chps[__MAX_CHPID + 1];
struct device device;
struct pgid global_pgid;
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index 963fcc9054c6..0fe7b2f2e7f5 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -714,6 +714,7 @@ EXPORT_SYMBOL_GPL(ccw_device_get_schid);
* ccw_device_pnso() - Perform Network-Subchannel Operation
* @cdev: device on which PNSO is performed
* @pnso_area: request and response block for the operation
+ * @oc: Operation Code
* @resume_token: resume token for multiblock response
* @cnc: Boolean change-notification control
*
@@ -722,17 +723,101 @@ EXPORT_SYMBOL_GPL(ccw_device_get_schid);
* Returns 0 on success.
*/
int ccw_device_pnso(struct ccw_device *cdev,
- struct chsc_pnso_area *pnso_area,
- struct chsc_pnso_resume_token resume_token,
- int cnc)
+ struct chsc_pnso_area *pnso_area, u8 oc,
+ struct chsc_pnso_resume_token resume_token, int cnc)
{
struct subchannel_id schid;
ccw_device_get_schid(cdev, &schid);
- return chsc_pnso(schid, pnso_area, resume_token, cnc);
+ return chsc_pnso(schid, pnso_area, oc, resume_token, cnc);
}
EXPORT_SYMBOL_GPL(ccw_device_pnso);
+/**
+ * ccw_device_get_cssid() - obtain Channel Subsystem ID
+ * @cdev: device to obtain the CSSID for
+ * @cssid: The resulting Channel Subsystem ID
+ */
+int ccw_device_get_cssid(struct ccw_device *cdev, u8 *cssid)
+{
+ struct device *sch_dev = cdev->dev.parent;
+ struct channel_subsystem *css = to_css(sch_dev->parent);
+
+ if (css->id_valid)
+ *cssid = css->cssid;
+ return css->id_valid ? 0 : -ENODEV;
+}
+EXPORT_SYMBOL_GPL(ccw_device_get_cssid);
+
+/**
+ * ccw_device_get_iid() - obtain MIF-image ID
+ * @cdev: device to obtain the MIF-image ID for
+ * @iid: The resulting MIF-image ID
+ */
+int ccw_device_get_iid(struct ccw_device *cdev, u8 *iid)
+{
+ struct device *sch_dev = cdev->dev.parent;
+ struct channel_subsystem *css = to_css(sch_dev->parent);
+
+ if (css->id_valid)
+ *iid = css->iid;
+ return css->id_valid ? 0 : -ENODEV;
+}
+EXPORT_SYMBOL_GPL(ccw_device_get_iid);
+
+/**
+ * ccw_device_get_chpid() - obtain Channel Path ID
+ * @cdev: device to obtain the Channel Path ID for
+ * @chp_idx: Index of the channel path
+ * @chpid: The resulting Channel Path ID
+ */
+int ccw_device_get_chpid(struct ccw_device *cdev, int chp_idx, u8 *chpid)
+{
+ struct subchannel *sch = to_subchannel(cdev->dev.parent);
+ int mask;
+
+ if ((chp_idx < 0) || (chp_idx > 7))
+ return -EINVAL;
+ mask = 0x80 >> chp_idx;
+ if (!(sch->schib.pmcw.pim & mask))
+ return -ENODEV;
+
+ *chpid = sch->schib.pmcw.chpid[chp_idx];
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ccw_device_get_chpid);
+
+/**
+ * ccw_device_get_chid() - obtain Channel ID associated with specified CHPID
+ * @cdev: device to obtain the Channel ID for
+ * @chp_idx: Index of the channel path
+ * @chid: The resulting Channel ID
+ */
+int ccw_device_get_chid(struct ccw_device *cdev, int chp_idx, u16 *chid)
+{
+ struct chp_id cssid_chpid;
+ struct channel_path *chp;
+ int rc;
+
+ chp_id_init(&cssid_chpid);
+ rc = ccw_device_get_chpid(cdev, chp_idx, &cssid_chpid.id);
+ if (rc)
+ return rc;
+ chp = chpid_to_chp(cssid_chpid);
+ if (!chp)
+ return -ENODEV;
+
+ mutex_lock(&chp->lock);
+ if (chp->desc_fmt1.flags & 0x10)
+ *chid = chp->desc_fmt1.chid;
+ else
+ rc = -ENODEV;
+ mutex_unlock(&chp->lock);
+
+ return rc;
+}
+EXPORT_SYMBOL_GPL(ccw_device_get_chid);
+
/*
* Allocate zeroed dma coherent 31 bit addressable memory using
* the subchannels dma pool. Maximal size of allocation supported
diff --git a/drivers/s390/net/Kconfig b/drivers/s390/net/Kconfig
index 53120e68796e..bf236d474538 100644
--- a/drivers/s390/net/Kconfig
+++ b/drivers/s390/net/Kconfig
@@ -107,7 +107,7 @@ config QETH_OSX
config CCWGROUP
tristate
- default (LCS || CTCM || QETH)
+ default (LCS || CTCM || QETH || SMC)
config ISM
tristate "Support for ISM vPCI Adapter"
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index ecfd6d152e86..2c14012ca35d 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -420,12 +420,6 @@ struct qeth_qdio_out_buffer {
struct qeth_card;
-enum qeth_out_q_states {
- QETH_OUT_Q_UNLOCKED,
- QETH_OUT_Q_LOCKED,
- QETH_OUT_Q_LOCKED_FLUSH,
-};
-
#define QETH_CARD_STAT_ADD(_c, _stat, _val) ((_c)->stats._stat += (_val))
#define QETH_CARD_STAT_INC(_c, _stat) QETH_CARD_STAT_ADD(_c, _stat, 1)
@@ -486,12 +480,12 @@ struct qeth_qdio_out_q {
struct qeth_qdio_out_buffer *bufs[QDIO_MAX_BUFFERS_PER_Q];
struct qdio_outbuf_state *bufstates; /* convenience pointer */
struct qeth_out_q_stats stats;
+ spinlock_t lock;
u8 next_buf_to_fill;
u8 max_elements;
u8 queue_no;
u8 do_pack;
struct qeth_card *card;
- atomic_t state;
/*
* number of buffers that are currently filled (PRIMED)
* -> these buffers are hardware-owned
@@ -680,14 +674,27 @@ struct qeth_card_blkt {
int inter_packet_jumbo;
};
+enum qeth_pnso_mode {
+ QETH_PNSO_NONE,
+ QETH_PNSO_BRIDGEPORT,
+ QETH_PNSO_ADDR_INFO,
+};
+
#define QETH_BROADCAST_WITH_ECHO 0x01
#define QETH_BROADCAST_WITHOUT_ECHO 0x02
struct qeth_card_info {
unsigned short unit_addr2;
unsigned short cula;
- u8 chpid;
__u16 func_level;
char mcl_level[QETH_MCL_LENGTH + 1];
+ /* doubleword below corresponds to net_if_token */
+ u16 ddev_devno;
+ u8 cssid;
+ u8 iid;
+ u8 ssid;
+ u8 chpid;
+ u16 chid;
+ u8 ids_valid:1; /* cssid,iid,chid */
u8 dev_addr_is_registered:1;
u8 open_when_online:1;
u8 promisc_mode:1;
@@ -696,6 +703,7 @@ struct qeth_card_info {
/* no bitfield, we take a pointer on these two: */
u8 has_lp2lp_cso_v6;
u8 has_lp2lp_cso_v4;
+ enum qeth_pnso_mode pnso_mode;
enum qeth_card_types type;
enum qeth_link_types link_type;
int broadcast_capable;
@@ -780,6 +788,8 @@ struct qeth_switch_info {
struct qeth_priv {
unsigned int rx_copybreak;
+ u32 brport_hw_features;
+ u32 brport_features;
};
#define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 6a7398251423..7cd0cbf8a4f0 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -2311,12 +2311,10 @@ static void qeth_idx_setup_activate_cmd(struct qeth_card *card,
u16 addr = (card->info.cula << 8) + card->info.unit_addr2;
u8 port = ((u8)card->dev->dev_port) | 0x80;
struct ccw1 *ccw = __ccw_from_cmd(iob);
- struct ccw_dev_id dev_id;
qeth_setup_ccw(&ccw[0], CCW_CMD_WRITE, CCW_FLAG_CC, IDX_ACTIVATE_SIZE,
iob->data);
qeth_setup_ccw(&ccw[1], CCW_CMD_READ, 0, iob->length, iob->data);
- ccw_device_get_id(CARD_DDEV(card), &dev_id);
iob->finalize = qeth_idx_finalize_cmd;
port |= QETH_IDX_ACT_INVAL_FRAME;
@@ -2325,7 +2323,7 @@ static void qeth_idx_setup_activate_cmd(struct qeth_card *card,
&card->token.issuer_rm_w, QETH_MPC_TOKEN_LENGTH);
memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data),
&card->info.func_level, 2);
- memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &dev_id.devno, 2);
+ memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &card->info.ddev_devno, 2);
memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &addr, 2);
}
@@ -2599,7 +2597,6 @@ static int qeth_ulp_setup(struct qeth_card *card)
{
__u16 temp;
struct qeth_cmd_buffer *iob;
- struct ccw_dev_id dev_id;
QETH_CARD_TEXT(card, 2, "ulpsetup");
@@ -2614,8 +2611,7 @@ static int qeth_ulp_setup(struct qeth_card *card)
memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data),
&card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH);
- ccw_device_get_id(CARD_DDEV(card), &dev_id);
- memcpy(QETH_ULP_SETUP_CUA(iob->data), &dev_id.devno, 2);
+ memcpy(QETH_ULP_SETUP_CUA(iob->data), &card->info.ddev_devno, 2);
temp = (card->info.cula << 8) + card->info.unit_addr2;
memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2);
return qeth_send_control_data(card, iob, qeth_ulp_setup_cb, NULL);
@@ -2702,6 +2698,7 @@ static int qeth_alloc_qdio_queues(struct qeth_card *card)
card->qdio.out_qs[i] = queue;
queue->card = card;
queue->queue_no = i;
+ spin_lock_init(&queue->lock);
timer_setup(&queue->timer, qeth_tx_completion_timer, 0);
queue->coalesce_usecs = QETH_TX_COALESCE_USECS;
queue->max_coalesced_frames = QETH_TX_MAX_COALESCED_FRAMES;
@@ -3068,7 +3065,6 @@ static int qeth_init_qdio_queues(struct qeth_card *card)
queue->bulk_max = qeth_tx_select_bulk_max(card, queue);
atomic_set(&queue->used_buffers, 0);
atomic_set(&queue->set_pci_flags_count, 0);
- atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
netdev_tx_reset_queue(netdev_get_tx_queue(card->dev, i));
}
return 0;
@@ -3549,8 +3545,9 @@ static unsigned int qeth_rx_refill_queue(struct qeth_card *card,
static void qeth_buffer_reclaim_work(struct work_struct *work)
{
- struct qeth_card *card = container_of(work, struct qeth_card,
- buffer_reclaim_work.work);
+ struct qeth_card *card = container_of(to_delayed_work(work),
+ struct qeth_card,
+ buffer_reclaim_work);
local_bh_disable();
napi_schedule(&card->napi);
@@ -3740,37 +3737,31 @@ static void qeth_flush_queue(struct qeth_qdio_out_q *queue)
static void qeth_check_outbound_queue(struct qeth_qdio_out_q *queue)
{
- int index;
- int flush_cnt = 0;
- int q_was_packing = 0;
-
/*
* check if weed have to switch to non-packing mode or if
* we have to get a pci flag out on the queue
*/
if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
!atomic_read(&queue->set_pci_flags_count)) {
- if (atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) ==
- QETH_OUT_Q_UNLOCKED) {
- /*
- * If we get in here, there was no action in
- * do_send_packet. So, we check if there is a
- * packing buffer to be flushed here.
- */
- index = queue->next_buf_to_fill;
- q_was_packing = queue->do_pack;
- /* queue->do_pack may change */
- barrier();
- flush_cnt += qeth_switch_to_nonpacking_if_needed(queue);
- if (!flush_cnt &&
- !atomic_read(&queue->set_pci_flags_count))
- flush_cnt += qeth_prep_flush_pack_buffer(queue);
+ unsigned int index, flush_cnt;
+ bool q_was_packing;
+
+ spin_lock(&queue->lock);
+
+ index = queue->next_buf_to_fill;
+ q_was_packing = queue->do_pack;
+
+ flush_cnt = qeth_switch_to_nonpacking_if_needed(queue);
+ if (!flush_cnt && !atomic_read(&queue->set_pci_flags_count))
+ flush_cnt = qeth_prep_flush_pack_buffer(queue);
+
+ if (flush_cnt) {
+ qeth_flush_buffers(queue, index, flush_cnt);
if (q_was_packing)
QETH_TXQ_STAT_ADD(queue, bufs_pack, flush_cnt);
- if (flush_cnt)
- qeth_flush_buffers(queue, index, flush_cnt);
- atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
}
+
+ spin_unlock(&queue->lock);
}
}
@@ -4282,29 +4273,22 @@ int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
unsigned int offset, unsigned int hd_len,
int elements_needed)
{
+ unsigned int start_index = queue->next_buf_to_fill;
struct qeth_qdio_out_buffer *buffer;
unsigned int next_element;
struct netdev_queue *txq;
bool stopped = false;
- int start_index;
int flush_count = 0;
int do_pack = 0;
- int tmp;
int rc = 0;
- /* spin until we get the queue ... */
- while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED,
- QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED);
- start_index = queue->next_buf_to_fill;
buffer = queue->bufs[queue->next_buf_to_fill];
/* Just a sanity check, the wake/stop logic should ensure that we always
* get a free buffer.
*/
- if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) {
- atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED);
+ if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY)
return -EBUSY;
- }
txq = netdev_get_tx_queue(card->dev, skb_get_queue_mapping(skb));
@@ -4327,8 +4311,6 @@ int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
QETH_QDIO_BUF_EMPTY) {
qeth_flush_buffers(queue, start_index,
flush_count);
- atomic_set(&queue->state,
- QETH_OUT_Q_UNLOCKED);
rc = -EBUSY;
goto out;
}
@@ -4360,31 +4342,8 @@ int qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
if (flush_count)
qeth_flush_buffers(queue, start_index, flush_count);
- else if (!atomic_read(&queue->set_pci_flags_count))
- atomic_xchg(&queue->state, QETH_OUT_Q_LOCKED_FLUSH);
- /*
- * queue->state will go from LOCKED -> UNLOCKED or from
- * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us
- * (switch packing state or flush buffer to get another pci flag out).
- * In that case we will enter this loop
- */
- while (atomic_dec_return(&queue->state)) {
- start_index = queue->next_buf_to_fill;
- /* check if we can go back to non-packing state */
- tmp = qeth_switch_to_nonpacking_if_needed(queue);
- /*
- * check if we need to flush a packing buffer to get a pci
- * flag out on the queue
- */
- if (!tmp && !atomic_read(&queue->set_pci_flags_count))
- tmp = qeth_prep_flush_pack_buffer(queue);
- if (tmp) {
- qeth_flush_buffers(queue, start_index, tmp);
- flush_count += tmp;
- }
- }
+
out:
- /* at this point the queue is UNLOCKED again */
if (do_pack)
QETH_TXQ_STAT_ADD(queue, bufs_pack, flush_count);
@@ -4458,8 +4417,10 @@ int qeth_xmit(struct qeth_card *card, struct sk_buff *skb,
} else {
/* TODO: drop skb_orphan() once TX completion is fast enough */
skb_orphan(skb);
+ spin_lock(&queue->lock);
rc = qeth_do_send_packet(card, queue, skb, hdr, data_offset,
hd_len, elements);
+ spin_unlock(&queue->lock);
}
if (rc && !push_len)
@@ -4955,7 +4916,6 @@ int qeth_vm_request_mac(struct qeth_card *card)
{
struct diag26c_mac_resp *response;
struct diag26c_mac_req *request;
- struct ccw_dev_id id;
int rc;
QETH_CARD_TEXT(card, 2, "vmreqmac");
@@ -4967,11 +4927,10 @@ int qeth_vm_request_mac(struct qeth_card *card)
goto out;
}
- ccw_device_get_id(CARD_DDEV(card), &id);
request->resp_buf_len = sizeof(*response);
request->resp_version = DIAG26C_VERSION2;
request->op_code = DIAG26C_GET_MAC;
- request->devno = id.devno;
+ request->devno = card->info.ddev_devno;
QETH_DBF_HEX(CTRL, 2, request, sizeof(*request));
rc = diag26c(request, response, DIAG26C_MAC_SERVICES);
@@ -5052,6 +5011,33 @@ out:
return;
}
+static void qeth_read_ccw_conf_data(struct qeth_card *card)
+{
+ struct qeth_card_info *info = &card->info;
+ struct ccw_device *cdev = CARD_DDEV(card);
+ struct ccw_dev_id dev_id;
+
+ QETH_CARD_TEXT(card, 2, "ccwconfd");
+ ccw_device_get_id(cdev, &dev_id);
+
+ info->ddev_devno = dev_id.devno;
+ info->ids_valid = !ccw_device_get_cssid(cdev, &info->cssid) &&
+ !ccw_device_get_iid(cdev, &info->iid) &&
+ !ccw_device_get_chid(cdev, 0, &info->chid);
+ info->ssid = dev_id.ssid;
+
+ dev_info(&card->gdev->dev, "CHID: %x CHPID: %x\n",
+ info->chid, info->chpid);
+
+ QETH_CARD_TEXT_(card, 3, "devn%x", info->ddev_devno);
+ QETH_CARD_TEXT_(card, 3, "cssid:%x", info->cssid);
+ QETH_CARD_TEXT_(card, 3, "iid:%x", info->iid);
+ QETH_CARD_TEXT_(card, 3, "ssid:%x", info->ssid);
+ QETH_CARD_TEXT_(card, 3, "chpid:%x", info->chpid);
+ QETH_CARD_TEXT_(card, 3, "chid:%x", info->chid);
+ QETH_CARD_TEXT_(card, 3, "idval%x", info->ids_valid);
+}
+
static int qeth_qdio_establish(struct qeth_card *card)
{
struct qdio_buffer **out_sbal_ptrs[QETH_MAX_OUT_QUEUES];
@@ -5220,6 +5206,7 @@ retriable:
}
qeth_determine_capabilities(card);
+ qeth_read_ccw_conf_data(card);
qeth_idx_init(card);
rc = qeth_idx_activate_read_channel(card);
diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h
index b459def0fb26..6541bab96822 100644
--- a/drivers/s390/net/qeth_core_mpc.h
+++ b/drivers/s390/net/qeth_core_mpc.h
@@ -719,15 +719,8 @@ struct qeth_sbp_port_entry {
struct net_if_token token;
} __packed;
-struct qeth_sbp_query_ports {
- __u8 primary_bp_supported;
- __u8 secondary_bp_supported;
- __u8 num_entries;
- __u8 entry_length;
- struct qeth_sbp_port_entry entry[];
-} __packed;
-
-struct qeth_sbp_state_change {
+/* For IPA_SBP_QUERY_BRIDGE_PORTS, IPA_SBP_BRIDGE_PORT_STATE_CHANGE */
+struct qeth_sbp_port_data {
__u8 primary_bp_supported;
__u8 secondary_bp_supported;
__u8 num_entries;
@@ -741,8 +734,7 @@ struct qeth_ipacmd_setbridgeport {
union {
struct qeth_sbp_query_cmds_supp query_cmds_supp;
struct qeth_sbp_set_primary set_primary;
- struct qeth_sbp_query_ports query_ports;
- struct qeth_sbp_state_change state_change;
+ struct qeth_sbp_port_data port_data;
} data;
} __packed;
diff --git a/drivers/s390/net/qeth_l2.h b/drivers/s390/net/qeth_l2.h
index adf25c9fd2b3..cc95675c8bc4 100644
--- a/drivers/s390/net/qeth_l2.h
+++ b/drivers/s390/net/qeth_l2.h
@@ -23,7 +23,7 @@ int qeth_l2_vnicc_set_state(struct qeth_card *card, u32 vnicc, bool state);
int qeth_l2_vnicc_get_state(struct qeth_card *card, u32 vnicc, bool *state);
int qeth_l2_vnicc_set_timeout(struct qeth_card *card, u32 timeout);
int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout);
-bool qeth_l2_vnicc_is_in_use(struct qeth_card *card);
+bool qeth_bridgeport_allowed(struct qeth_card *card);
struct qeth_mac {
u8 mac_addr[ETH_ALEN];
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 6384f7adba66..e12ac32b8b47 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -17,10 +17,13 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/etherdevice.h>
+#include <linux/if_bridge.h>
#include <linux/list.h>
#include <linux/hash.h>
#include <linux/hashtable.h>
+#include <net/switchdev.h>
#include <asm/chsc.h>
+#include <asm/css_chars.h>
#include <asm/setup.h>
#include "qeth_core.h"
#include "qeth_l2.h"
@@ -30,6 +33,7 @@ static void qeth_bridge_state_change(struct qeth_card *card,
struct qeth_ipa_cmd *cmd);
static void qeth_addr_change_event(struct qeth_card *card,
struct qeth_ipa_cmd *cmd);
+static bool qeth_bridgeport_is_in_use(struct qeth_card *card);
static void qeth_l2_vnicc_set_defaults(struct qeth_card *card);
static void qeth_l2_vnicc_init(struct qeth_card *card);
static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc,
@@ -273,8 +277,37 @@ static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev,
return qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
}
+static void qeth_l2_set_pnso_mode(struct qeth_card *card,
+ enum qeth_pnso_mode mode)
+{
+ spin_lock_irq(get_ccwdev_lock(CARD_RDEV(card)));
+ WRITE_ONCE(card->info.pnso_mode, mode);
+ spin_unlock_irq(get_ccwdev_lock(CARD_RDEV(card)));
+
+ if (mode == QETH_PNSO_NONE)
+ drain_workqueue(card->event_wq);
+}
+
+static void qeth_l2_dev2br_fdb_flush(struct qeth_card *card)
+{
+ struct switchdev_notifier_fdb_info info;
+
+ QETH_CARD_TEXT(card, 2, "fdbflush");
+
+ info.addr = NULL;
+ /* flush all VLANs: */
+ info.vid = 0;
+ info.added_by_user = false;
+ info.offloaded = true;
+
+ call_switchdev_notifiers(SWITCHDEV_FDB_FLUSH_TO_BRIDGE,
+ card->dev, &info.info, NULL);
+}
+
static void qeth_l2_stop_card(struct qeth_card *card)
{
+ struct qeth_priv *priv = netdev_priv(card->dev);
+
QETH_CARD_TEXT(card, 2, "stopcard");
qeth_set_allowed_threads(card, 0, 1);
@@ -290,9 +323,15 @@ static void qeth_l2_stop_card(struct qeth_card *card)
qeth_qdio_clear_card(card, 0);
qeth_drain_output_queues(card);
qeth_clear_working_pool_list(card);
- flush_workqueue(card->event_wq);
+ qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
qeth_flush_local_addrs(card);
card->info.promisc_mode = 0;
+
+ if (priv->brport_features & BR_LEARNING_SYNC) {
+ rtnl_lock();
+ qeth_l2_dev2br_fdb_flush(card);
+ rtnl_unlock();
+ }
}
static int qeth_l2_request_initial_mac(struct qeth_card *card)
@@ -631,6 +670,7 @@ static void qeth_l2_set_rx_mode(struct net_device *dev)
/**
* qeth_l2_pnso() - perform network subchannel operation
* @card: qeth_card structure pointer
+ * @oc: Operation Code
* @cnc: Boolean Change-Notification Control
* @cb: Callback function will be executed for each element
* of the address list
@@ -641,7 +681,7 @@ static void qeth_l2_set_rx_mode(struct net_device *dev)
* control" is set, further changes in the address list will be reported
* via the IPA command.
*/
-static int qeth_l2_pnso(struct qeth_card *card, int cnc,
+static int qeth_l2_pnso(struct qeth_card *card, u8 oc, int cnc,
void (*cb)(void *priv, struct chsc_pnso_naid_l2 *entry),
void *priv)
{
@@ -652,13 +692,14 @@ static int qeth_l2_pnso(struct qeth_card *card, int cnc,
int i, size, elems;
int rc;
- QETH_CARD_TEXT(card, 2, "PNSO");
rr = (struct chsc_pnso_area *)get_zeroed_page(GFP_KERNEL);
if (rr == NULL)
return -ENOMEM;
do {
+ QETH_CARD_TEXT(card, 2, "PNSO");
/* on the first iteration, naihdr.resume_token will be zero */
- rc = ccw_device_pnso(ddev, rr, rr->naihdr.resume_token, cnc);
+ rc = ccw_device_pnso(ddev, rr, oc, rr->naihdr.resume_token,
+ cnc);
if (rc)
continue;
if (cb == NULL)
@@ -694,6 +735,218 @@ static int qeth_l2_pnso(struct qeth_card *card, int cnc,
return rc;
}
+static bool qeth_is_my_net_if_token(struct qeth_card *card,
+ struct net_if_token *token)
+{
+ return ((card->info.ddev_devno == token->devnum) &&
+ (card->info.cssid == token->cssid) &&
+ (card->info.iid == token->iid) &&
+ (card->info.ssid == token->ssid) &&
+ (card->info.chpid == token->chpid) &&
+ (card->info.chid == token->chid));
+}
+
+/**
+ * qeth_l2_dev2br_fdb_notify() - update fdb of master bridge
+ * @card: qeth_card structure pointer
+ * @code: event bitmask: high order bit 0x80 set to
+ * 1 - removal of an object
+ * 0 - addition of an object
+ * Object type(s):
+ * 0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC
+ * @token: "network token" structure identifying 'physical' location
+ * of the target
+ * @addr_lnid: structure with MAC address and VLAN ID of the target
+ */
+static void qeth_l2_dev2br_fdb_notify(struct qeth_card *card, u8 code,
+ struct net_if_token *token,
+ struct mac_addr_lnid *addr_lnid)
+{
+ struct switchdev_notifier_fdb_info info;
+ u8 ntfy_mac[ETH_ALEN];
+
+ ether_addr_copy(ntfy_mac, addr_lnid->mac);
+ /* Ignore VLAN only changes */
+ if (!(code & IPA_ADDR_CHANGE_CODE_MACADDR))
+ return;
+ /* Ignore mcast entries */
+ if (is_multicast_ether_addr(ntfy_mac))
+ return;
+ /* Ignore my own addresses */
+ if (qeth_is_my_net_if_token(card, token))
+ return;
+
+ info.addr = ntfy_mac;
+ /* don't report VLAN IDs */
+ info.vid = 0;
+ info.added_by_user = false;
+ info.offloaded = true;
+
+ if (code & IPA_ADDR_CHANGE_CODE_REMOVAL) {
+ call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_BRIDGE,
+ card->dev, &info.info, NULL);
+ QETH_CARD_TEXT(card, 4, "andelmac");
+ QETH_CARD_TEXT_(card, 4,
+ "mc%012lx", ether_addr_to_u64(ntfy_mac));
+ } else {
+ call_switchdev_notifiers(SWITCHDEV_FDB_ADD_TO_BRIDGE,
+ card->dev, &info.info, NULL);
+ QETH_CARD_TEXT(card, 4, "anaddmac");
+ QETH_CARD_TEXT_(card, 4,
+ "mc%012lx", ether_addr_to_u64(ntfy_mac));
+ }
+}
+
+static void qeth_l2_dev2br_an_set_cb(void *priv,
+ struct chsc_pnso_naid_l2 *entry)
+{
+ u8 code = IPA_ADDR_CHANGE_CODE_MACADDR;
+ struct qeth_card *card = priv;
+
+ if (entry->addr_lnid.lnid < VLAN_N_VID)
+ code |= IPA_ADDR_CHANGE_CODE_VLANID;
+ qeth_l2_dev2br_fdb_notify(card, code,
+ (struct net_if_token *)&entry->nit,
+ (struct mac_addr_lnid *)&entry->addr_lnid);
+}
+
+/**
+ * qeth_l2_dev2br_an_set() -
+ * Enable or disable 'dev to bridge network address notification'
+ * @card: qeth_card structure pointer
+ * @enable: Enable or disable 'dev to bridge network address notification'
+ *
+ * Returns negative errno-compatible error indication or 0 on success.
+ *
+ * On enable, emits a series of address notifications for all
+ * currently registered hosts.
+ *
+ * Must be called under rtnl_lock
+ */
+static int qeth_l2_dev2br_an_set(struct qeth_card *card, bool enable)
+{
+ int rc;
+
+ if (enable) {
+ QETH_CARD_TEXT(card, 2, "anseton");
+ rc = qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 1,
+ qeth_l2_dev2br_an_set_cb, card);
+ if (rc == -EAGAIN)
+ /* address notification enabled, but inconsistent
+ * addresses reported -> disable address notification
+ */
+ qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 0,
+ NULL, NULL);
+ } else {
+ QETH_CARD_TEXT(card, 2, "ansetoff");
+ rc = qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 0, NULL, NULL);
+ }
+
+ return rc;
+}
+
+static int qeth_l2_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
+ struct net_device *dev, u32 filter_mask,
+ int nlflags)
+{
+ struct qeth_priv *priv = netdev_priv(dev);
+ struct qeth_card *card = dev->ml_priv;
+ u16 mode = BRIDGE_MODE_UNDEF;
+
+ /* Do not even show qeth devs that cannot do bridge_setlink */
+ if (!priv->brport_hw_features || !netif_device_present(dev) ||
+ qeth_bridgeport_is_in_use(card))
+ return -EOPNOTSUPP;
+
+ return ndo_dflt_bridge_getlink(skb, pid, seq, dev,
+ mode, priv->brport_features,
+ priv->brport_hw_features,
+ nlflags, filter_mask, NULL);
+}
+
+static const struct nla_policy qeth_brport_policy[IFLA_BRPORT_MAX + 1] = {
+ [IFLA_BRPORT_LEARNING_SYNC] = { .type = NLA_U8 },
+};
+
+/**
+ * qeth_l2_bridge_setlink() - set bridgeport attributes
+ * @dev: netdevice
+ * @nlh: netlink message header
+ * @flags: bridge flags (here: BRIDGE_FLAGS_SELF)
+ * @extack: extended ACK report struct
+ *
+ * Called under rtnl_lock
+ */
+static int qeth_l2_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh,
+ u16 flags, struct netlink_ext_ack *extack)
+{
+ struct qeth_priv *priv = netdev_priv(dev);
+ struct nlattr *bp_tb[IFLA_BRPORT_MAX + 1];
+ struct qeth_card *card = dev->ml_priv;
+ struct nlattr *attr, *nested_attr;
+ bool enable, has_protinfo = false;
+ int rem1, rem2;
+ int rc;
+
+ if (!netif_device_present(dev))
+ return -ENODEV;
+ if (!(priv->brport_hw_features))
+ return -EOPNOTSUPP;
+
+ nlmsg_for_each_attr(attr, nlh, sizeof(struct ifinfomsg), rem1) {
+ if (nla_type(attr) == IFLA_PROTINFO) {
+ rc = nla_parse_nested(bp_tb, IFLA_BRPORT_MAX, attr,
+ qeth_brport_policy, extack);
+ if (rc)
+ return rc;
+ has_protinfo = true;
+ } else if (nla_type(attr) == IFLA_AF_SPEC) {
+ nla_for_each_nested(nested_attr, attr, rem2) {
+ if (nla_type(nested_attr) == IFLA_BRIDGE_FLAGS)
+ continue;
+ NL_SET_ERR_MSG_ATTR(extack, nested_attr,
+ "Unsupported attribute");
+ return -EINVAL;
+ }
+ } else {
+ NL_SET_ERR_MSG_ATTR(extack, attr, "Unsupported attribute");
+ return -EINVAL;
+ }
+ }
+ if (!has_protinfo)
+ return 0;
+ if (!bp_tb[IFLA_BRPORT_LEARNING_SYNC])
+ return -EINVAL;
+ enable = !!nla_get_u8(bp_tb[IFLA_BRPORT_LEARNING_SYNC]);
+
+ if (enable == !!(priv->brport_features & BR_LEARNING_SYNC))
+ return 0;
+
+ mutex_lock(&card->sbp_lock);
+ /* do not change anything if BridgePort is enabled */
+ if (qeth_bridgeport_is_in_use(card)) {
+ NL_SET_ERR_MSG(extack, "n/a (BridgePort)");
+ rc = -EBUSY;
+ } else if (enable) {
+ qeth_l2_set_pnso_mode(card, QETH_PNSO_ADDR_INFO);
+ rc = qeth_l2_dev2br_an_set(card, true);
+ if (rc)
+ qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
+ else
+ priv->brport_features |= BR_LEARNING_SYNC;
+ } else {
+ rc = qeth_l2_dev2br_an_set(card, false);
+ if (!rc) {
+ qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
+ priv->brport_features ^= BR_LEARNING_SYNC;
+ qeth_l2_dev2br_fdb_flush(card);
+ }
+ }
+ mutex_unlock(&card->sbp_lock);
+
+ return rc;
+}
+
static const struct net_device_ops qeth_l2_netdev_ops = {
.ndo_open = qeth_open,
.ndo_stop = qeth_stop,
@@ -709,7 +962,9 @@ static const struct net_device_ops qeth_l2_netdev_ops = {
.ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid,
.ndo_tx_timeout = qeth_tx_timeout,
.ndo_fix_features = qeth_fix_features,
- .ndo_set_features = qeth_set_features
+ .ndo_set_features = qeth_set_features,
+ .ndo_bridge_getlink = qeth_l2_bridge_getlink,
+ .ndo_bridge_setlink = qeth_l2_bridge_setlink,
};
static const struct net_device_ops qeth_osn_netdev_ops = {
@@ -810,8 +1065,78 @@ static void qeth_l2_setup_bridgeport_attrs(struct qeth_card *card)
if (card->options.sbp.hostnotification) {
if (qeth_bridgeport_an_set(card, 1))
card->options.sbp.hostnotification = 0;
+ }
+}
+
+/**
+ * qeth_l2_detect_dev2br_support() -
+ * Detect whether this card supports 'dev to bridge fdb network address
+ * change notification' and thus can support the learning_sync bridgeport
+ * attribute
+ * @card: qeth_card structure pointer
+ *
+ * This is a destructive test and must be called before dev2br or
+ * bridgeport address notification is enabled!
+ */
+static void qeth_l2_detect_dev2br_support(struct qeth_card *card)
+{
+ struct qeth_priv *priv = netdev_priv(card->dev);
+ bool dev2br_supported;
+ int rc;
+
+ QETH_CARD_TEXT(card, 2, "d2brsup");
+ if (!IS_IQD(card))
+ return;
+
+ /* dev2br requires valid cssid,iid,chid */
+ if (!card->info.ids_valid) {
+ dev2br_supported = false;
+ } else if (css_general_characteristics.enarf) {
+ dev2br_supported = true;
} else {
- qeth_bridgeport_an_set(card, 0);
+ /* Old machines don't have the feature bit:
+ * Probe by testing whether a disable succeeds
+ */
+ rc = qeth_l2_pnso(card, PNSO_OC_NET_ADDR_INFO, 0, NULL, NULL);
+ dev2br_supported = !rc;
+ }
+ QETH_CARD_TEXT_(card, 2, "D2Bsup%02x", dev2br_supported);
+
+ if (dev2br_supported)
+ priv->brport_hw_features |= BR_LEARNING_SYNC;
+ else
+ priv->brport_hw_features &= ~BR_LEARNING_SYNC;
+}
+
+static void qeth_l2_enable_brport_features(struct qeth_card *card)
+{
+ struct qeth_priv *priv = netdev_priv(card->dev);
+ int rc;
+
+ if (priv->brport_features & BR_LEARNING_SYNC) {
+ if (priv->brport_hw_features & BR_LEARNING_SYNC) {
+ qeth_l2_set_pnso_mode(card, QETH_PNSO_ADDR_INFO);
+ rc = qeth_l2_dev2br_an_set(card, true);
+ if (rc == -EAGAIN) {
+ /* Recoverable error, retry once */
+ qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
+ qeth_l2_dev2br_fdb_flush(card);
+ qeth_l2_set_pnso_mode(card, QETH_PNSO_ADDR_INFO);
+ rc = qeth_l2_dev2br_an_set(card, true);
+ }
+ if (rc) {
+ netdev_err(card->dev,
+ "failed to enable bridge learning_sync: %d\n",
+ rc);
+ qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
+ qeth_l2_dev2br_fdb_flush(card);
+ priv->brport_features ^= BR_LEARNING_SYNC;
+ }
+ } else {
+ dev_warn(&card->gdev->dev,
+ "bridge learning_sync not supported\n");
+ priv->brport_features ^= BR_LEARNING_SYNC;
+ }
}
}
@@ -829,6 +1154,9 @@ static int qeth_l2_set_online(struct qeth_card *card)
goto out_remove;
}
+ /* query before bridgeport_notification may be enabled */
+ qeth_l2_detect_dev2br_support(card);
+
mutex_lock(&card->sbp_lock);
qeth_bridgeport_query_support(card);
if (card->options.sbp.supported_funcs) {
@@ -871,6 +1199,7 @@ static int qeth_l2_set_online(struct qeth_card *card)
netif_device_attach(dev);
qeth_enable_hw_features(dev);
+ qeth_l2_enable_brport_features(card);
if (card->info.open_when_online) {
card->info.open_when_online = 0;
@@ -1090,15 +1419,14 @@ static void qeth_bridge_emit_host_event(struct qeth_card *card,
struct qeth_bridge_state_data {
struct work_struct worker;
struct qeth_card *card;
- struct qeth_sbp_state_change qports;
+ u8 role;
+ u8 state;
};
static void qeth_bridge_state_change_worker(struct work_struct *work)
{
struct qeth_bridge_state_data *data =
container_of(work, struct qeth_bridge_state_data, worker);
- /* We are only interested in the first entry - local port */
- struct qeth_sbp_port_entry *entry = &data->qports.entry[0];
char env_locrem[32];
char env_role[32];
char env_state[32];
@@ -1109,22 +1437,16 @@ static void qeth_bridge_state_change_worker(struct work_struct *work)
NULL
};
- /* Role should not change by itself, but if it did, */
- /* information from the hardware is authoritative. */
- mutex_lock(&data->card->sbp_lock);
- data->card->options.sbp.role = entry->role;
- mutex_unlock(&data->card->sbp_lock);
-
snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange");
snprintf(env_role, sizeof(env_role), "ROLE=%s",
- (entry->role == QETH_SBP_ROLE_NONE) ? "none" :
- (entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" :
- (entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" :
+ (data->role == QETH_SBP_ROLE_NONE) ? "none" :
+ (data->role == QETH_SBP_ROLE_PRIMARY) ? "primary" :
+ (data->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" :
"<INVALID>");
snprintf(env_state, sizeof(env_state), "STATE=%s",
- (entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" :
- (entry->state == QETH_SBP_STATE_STANDBY) ? "standby" :
- (entry->state == QETH_SBP_STATE_ACTIVE) ? "active" :
+ (data->state == QETH_SBP_STATE_INACTIVE) ? "inactive" :
+ (data->state == QETH_SBP_STATE_STANDBY) ? "standby" :
+ (data->state == QETH_SBP_STATE_ACTIVE) ? "active" :
"<INVALID>");
kobject_uevent_env(&data->card->gdev->dev.kobj,
KOBJ_CHANGE, env);
@@ -1134,10 +1456,8 @@ static void qeth_bridge_state_change_worker(struct work_struct *work)
static void qeth_bridge_state_change(struct qeth_card *card,
struct qeth_ipa_cmd *cmd)
{
- struct qeth_sbp_state_change *qports =
- &cmd->data.sbp.data.state_change;
+ struct qeth_sbp_port_data *qports = &cmd->data.sbp.data.port_data;
struct qeth_bridge_state_data *data;
- int extrasize;
QETH_CARD_TEXT(card, 2, "brstchng");
if (qports->num_entries == 0) {
@@ -1148,34 +1468,125 @@ static void qeth_bridge_state_change(struct qeth_card *card,
QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length);
return;
}
- extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries;
- data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize,
- GFP_ATOMIC);
+
+ data = kzalloc(sizeof(*data), GFP_ATOMIC);
if (!data) {
QETH_CARD_TEXT(card, 2, "BPSalloc");
return;
}
INIT_WORK(&data->worker, qeth_bridge_state_change_worker);
data->card = card;
- memcpy(&data->qports, qports,
- sizeof(struct qeth_sbp_state_change) + extrasize);
+ /* Information for the local port: */
+ data->role = qports->entry[0].role;
+ data->state = qports->entry[0].state;
+
queue_work(card->event_wq, &data->worker);
}
struct qeth_addr_change_data {
- struct work_struct worker;
+ struct delayed_work dwork;
struct qeth_card *card;
struct qeth_ipacmd_addr_change ac_event;
};
+static void qeth_l2_dev2br_worker(struct work_struct *work)
+{
+ struct delayed_work *dwork = to_delayed_work(work);
+ struct qeth_addr_change_data *data;
+ struct qeth_card *card;
+ struct qeth_priv *priv;
+ unsigned int i;
+ int rc;
+
+ data = container_of(dwork, struct qeth_addr_change_data, dwork);
+ card = data->card;
+ priv = netdev_priv(card->dev);
+
+ QETH_CARD_TEXT(card, 4, "dev2brew");
+
+ if (READ_ONCE(card->info.pnso_mode) == QETH_PNSO_NONE)
+ goto free;
+
+ /* Potential re-config in progress, try again later: */
+ if (!rtnl_trylock()) {
+ queue_delayed_work(card->event_wq, dwork,
+ msecs_to_jiffies(100));
+ return;
+ }
+ if (!netif_device_present(card->dev))
+ goto out_unlock;
+
+ if (data->ac_event.lost_event_mask) {
+ QETH_DBF_MESSAGE(3,
+ "Address change notification overflow on device %x\n",
+ CARD_DEVID(card));
+ /* Card fdb and bridge fdb are out of sync, card has stopped
+ * notifications (no need to drain_workqueue). Purge all
+ * 'extern_learn' entries from the parent bridge and restart
+ * the notifications.
+ */
+ qeth_l2_dev2br_fdb_flush(card);
+ rc = qeth_l2_dev2br_an_set(card, true);
+ if (rc) {
+ /* TODO: if we want to retry after -EAGAIN, be
+ * aware there could be stale entries in the
+ * workqueue now, that need to be drained.
+ * For now we give up:
+ */
+ netdev_err(card->dev,
+ "bridge learning_sync failed to recover: %d\n",
+ rc);
+ WRITE_ONCE(card->info.pnso_mode,
+ QETH_PNSO_NONE);
+ /* To remove fdb entries reported by an_set: */
+ qeth_l2_dev2br_fdb_flush(card);
+ priv->brport_features ^= BR_LEARNING_SYNC;
+ } else {
+ QETH_DBF_MESSAGE(3,
+ "Address Notification resynced on device %x\n",
+ CARD_DEVID(card));
+ }
+ } else {
+ for (i = 0; i < data->ac_event.num_entries; i++) {
+ struct qeth_ipacmd_addr_change_entry *entry =
+ &data->ac_event.entry[i];
+ qeth_l2_dev2br_fdb_notify(card,
+ entry->change_code,
+ &entry->token,
+ &entry->addr_lnid);
+ }
+ }
+
+out_unlock:
+ rtnl_unlock();
+
+free:
+ kfree(data);
+}
+
static void qeth_addr_change_event_worker(struct work_struct *work)
{
- struct qeth_addr_change_data *data =
- container_of(work, struct qeth_addr_change_data, worker);
+ struct delayed_work *dwork = to_delayed_work(work);
+ struct qeth_addr_change_data *data;
+ struct qeth_card *card;
int i;
+ data = container_of(dwork, struct qeth_addr_change_data, dwork);
+ card = data->card;
+
QETH_CARD_TEXT(data->card, 4, "adrchgew");
+
+ if (READ_ONCE(card->info.pnso_mode) == QETH_PNSO_NONE)
+ goto free;
+
if (data->ac_event.lost_event_mask) {
+ /* Potential re-config in progress, try again later: */
+ if (!mutex_trylock(&card->sbp_lock)) {
+ queue_delayed_work(card->event_wq, dwork,
+ msecs_to_jiffies(100));
+ return;
+ }
+
dev_info(&data->card->gdev->dev,
"Address change notification stopped on %s (%s)\n",
data->card->dev->name,
@@ -1184,8 +1595,9 @@ static void qeth_addr_change_event_worker(struct work_struct *work)
: (data->ac_event.lost_event_mask == 0x02)
? "Bridge port state change"
: "Unknown reason");
- mutex_lock(&data->card->sbp_lock);
+
data->card->options.sbp.hostnotification = 0;
+ card->info.pnso_mode = QETH_PNSO_NONE;
mutex_unlock(&data->card->sbp_lock);
qeth_bridge_emit_host_event(data->card, anev_abort,
0, NULL, NULL);
@@ -1199,6 +1611,8 @@ static void qeth_addr_change_event_worker(struct work_struct *work)
&entry->token,
&entry->addr_lnid);
}
+
+free:
kfree(data);
}
@@ -1210,6 +1624,9 @@ static void qeth_addr_change_event(struct qeth_card *card,
struct qeth_addr_change_data *data;
int extrasize;
+ if (card->info.pnso_mode == QETH_PNSO_NONE)
+ return;
+
QETH_CARD_TEXT(card, 4, "adrchgev");
if (cmd->hdr.return_code != 0x0000) {
if (cmd->hdr.return_code == 0x0010) {
@@ -1229,11 +1646,14 @@ static void qeth_addr_change_event(struct qeth_card *card,
QETH_CARD_TEXT(card, 2, "ACNalloc");
return;
}
- INIT_WORK(&data->worker, qeth_addr_change_event_worker);
+ if (card->info.pnso_mode == QETH_PNSO_BRIDGEPORT)
+ INIT_DELAYED_WORK(&data->dwork, qeth_addr_change_event_worker);
+ else
+ INIT_DELAYED_WORK(&data->dwork, qeth_l2_dev2br_worker);
data->card = card;
memcpy(&data->ac_event, hostevs,
sizeof(struct qeth_ipacmd_addr_change) + extrasize);
- queue_work(card->event_wq, &data->worker);
+ queue_delayed_work(card->event_wq, &data->dwork, 0);
}
/* SETBRIDGEPORT support; sending commands */
@@ -1418,8 +1838,8 @@ static int qeth_bridgeport_query_ports_cb(struct qeth_card *card,
struct qeth_reply *reply, unsigned long data)
{
struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
- struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports;
struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param;
+ struct qeth_sbp_port_data *qports;
int rc;
QETH_CARD_TEXT(card, 2, "brqprtcb");
@@ -1427,6 +1847,7 @@ static int qeth_bridgeport_query_ports_cb(struct qeth_card *card,
if (rc)
return rc;
+ qports = &cmd->data.sbp.data.port_data;
if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) {
QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length);
return -EINVAL;
@@ -1554,9 +1975,15 @@ int qeth_bridgeport_an_set(struct qeth_card *card, int enable)
if (enable) {
qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL);
- rc = qeth_l2_pnso(card, 1, qeth_bridgeport_an_set_cb, card);
- } else
- rc = qeth_l2_pnso(card, 0, NULL, NULL);
+ qeth_l2_set_pnso_mode(card, QETH_PNSO_BRIDGEPORT);
+ rc = qeth_l2_pnso(card, PNSO_OC_NET_BRIDGE_INFO, 1,
+ qeth_bridgeport_an_set_cb, card);
+ if (rc)
+ qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
+ } else {
+ rc = qeth_l2_pnso(card, PNSO_OC_NET_BRIDGE_INFO, 0, NULL, NULL);
+ qeth_l2_set_pnso_mode(card, QETH_PNSO_NONE);
+ }
return rc;
}
@@ -1851,7 +2278,7 @@ int qeth_l2_vnicc_get_timeout(struct qeth_card *card, u32 *timeout)
}
/* check if VNICC is currently enabled */
-bool qeth_l2_vnicc_is_in_use(struct qeth_card *card)
+static bool _qeth_l2_vnicc_is_in_use(struct qeth_card *card)
{
if (!card->options.vnicc.sup_chars)
return false;
@@ -1866,6 +2293,21 @@ bool qeth_l2_vnicc_is_in_use(struct qeth_card *card)
return true;
}
+/**
+ * qeth_bridgeport_allowed - are any qeth_bridgeport functions allowed?
+ * @card: qeth_card structure pointer
+ *
+ * qeth_bridgeport functionality is mutually exclusive with usage of the
+ * VNIC Characteristics and dev2br address notifications
+ */
+bool qeth_bridgeport_allowed(struct qeth_card *card)
+{
+ struct qeth_priv *priv = netdev_priv(card->dev);
+
+ return (!_qeth_l2_vnicc_is_in_use(card) &&
+ !(priv->brport_features & BR_LEARNING_SYNC));
+}
+
/* recover user timeout setting */
static bool qeth_l2_vnicc_recover_timeout(struct qeth_card *card, u32 vnicc,
u32 *timeout)
diff --git a/drivers/s390/net/qeth_l2_sys.c b/drivers/s390/net/qeth_l2_sys.c
index 86bcae992f72..4ba3bc57263f 100644
--- a/drivers/s390/net/qeth_l2_sys.c
+++ b/drivers/s390/net/qeth_l2_sys.c
@@ -18,7 +18,7 @@ static ssize_t qeth_bridge_port_role_state_show(struct device *dev,
int rc = 0;
char *word;
- if (qeth_l2_vnicc_is_in_use(card))
+ if (!qeth_bridgeport_allowed(card))
return sprintf(buf, "n/a (VNIC characteristics)\n");
mutex_lock(&card->sbp_lock);
@@ -65,7 +65,7 @@ static ssize_t qeth_bridge_port_role_show(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
- if (qeth_l2_vnicc_is_in_use(card))
+ if (!qeth_bridgeport_allowed(card))
return sprintf(buf, "n/a (VNIC characteristics)\n");
return qeth_bridge_port_role_state_show(dev, attr, buf, 0);
@@ -90,7 +90,7 @@ static ssize_t qeth_bridge_port_role_store(struct device *dev,
mutex_lock(&card->conf_mutex);
mutex_lock(&card->sbp_lock);
- if (qeth_l2_vnicc_is_in_use(card))
+ if (!qeth_bridgeport_allowed(card))
rc = -EBUSY;
else if (card->options.sbp.reflect_promisc)
/* Forbid direct manipulation */
@@ -116,7 +116,7 @@ static ssize_t qeth_bridge_port_state_show(struct device *dev,
{
struct qeth_card *card = dev_get_drvdata(dev);
- if (qeth_l2_vnicc_is_in_use(card))
+ if (!qeth_bridgeport_allowed(card))
return sprintf(buf, "n/a (VNIC characteristics)\n");
return qeth_bridge_port_role_state_show(dev, attr, buf, 1);
@@ -131,7 +131,7 @@ static ssize_t qeth_bridgeport_hostnotification_show(struct device *dev,
struct qeth_card *card = dev_get_drvdata(dev);
int enabled;
- if (qeth_l2_vnicc_is_in_use(card))
+ if (!qeth_bridgeport_allowed(card))
return sprintf(buf, "n/a (VNIC characteristics)\n");
enabled = card->options.sbp.hostnotification;
@@ -153,10 +153,11 @@ static ssize_t qeth_bridgeport_hostnotification_store(struct device *dev,
mutex_lock(&card->conf_mutex);
mutex_lock(&card->sbp_lock);
- if (qeth_l2_vnicc_is_in_use(card))
+ if (!qeth_bridgeport_allowed(card))
rc = -EBUSY;
else if (qeth_card_hw_is_reachable(card)) {
rc = qeth_bridgeport_an_set(card, enable);
+ /* sbp_lock ensures ordering vs notifications-stopped events */
if (!rc)
card->options.sbp.hostnotification = enable;
} else
@@ -178,7 +179,7 @@ static ssize_t qeth_bridgeport_reflect_show(struct device *dev,
struct qeth_card *card = dev_get_drvdata(dev);
char *state;
- if (qeth_l2_vnicc_is_in_use(card))
+ if (!qeth_bridgeport_allowed(card))
return sprintf(buf, "n/a (VNIC characteristics)\n");
if (card->options.sbp.reflect_promisc) {
@@ -214,7 +215,7 @@ static ssize_t qeth_bridgeport_reflect_store(struct device *dev,
mutex_lock(&card->conf_mutex);
mutex_lock(&card->sbp_lock);
- if (qeth_l2_vnicc_is_in_use(card))
+ if (!qeth_bridgeport_allowed(card))
rc = -EBUSY;
else if (card->options.sbp.role != QETH_SBP_ROLE_NONE)
rc = -EPERM;
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 09ef518ca1ea..33fdad1a6887 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -314,7 +314,8 @@ static int qeth_l3_setdelip_cb(struct qeth_card *card, struct qeth_reply *reply,
}
static int qeth_l3_send_setdelmc(struct qeth_card *card,
- struct qeth_ipaddr *addr, int ipacmd)
+ struct qeth_ipaddr *addr,
+ enum qeth_ipa_cmds ipacmd)
{
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-07 11:02:19 +0000