Merge branches 'cma', 'cxgb3', 'ehca', 'ipath', 'ipoib', 'mad', 'misc', 'mlx4', 'mthca' and 'nes' into for-next
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 922d35f..3cab0ce 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3748,6 +3748,7 @@
cm_remove_port_fs(port);
}
device_unregister(cm_dev->device);
+ kfree(cm_dev);
}
static void cm_remove_one(struct ib_device *ib_device)
@@ -3776,6 +3777,7 @@
cm_remove_port_fs(port);
}
device_unregister(cm_dev->device);
+ kfree(cm_dev);
}
static int __init ib_cm_init(void)
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 1adf2ef..49c45fe 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -1697,9 +1697,8 @@
u8 port_num = mad_agent_priv->agent.port_num;
u8 lmc;
- send_resp = ((struct ib_mad *)(wr->send_buf.mad))->
- mad_hdr.method & IB_MGMT_METHOD_RESP;
- rcv_resp = rwc->recv_buf.mad->mad_hdr.method & IB_MGMT_METHOD_RESP;
+ send_resp = ib_response_mad((struct ib_mad *)wr->send_buf.mad);
+ rcv_resp = ib_response_mad(rwc->recv_buf.mad);
if (send_resp == rcv_resp)
/* both requests, or both responses. GIDs different */
diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c
index 2acf9b6..69580e2 100644
--- a/drivers/infiniband/hw/amso1100/c2_provider.c
+++ b/drivers/infiniband/hw/amso1100/c2_provider.c
@@ -272,7 +272,6 @@
pr_debug("%s: Invalid QP type: %d\n", __func__,
init_attr->qp_type);
return ERR_PTR(-EINVAL);
- break;
}
if (err) {
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index eb778bfd..ecff980 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1155,13 +1155,11 @@
u8 port, struct ib_port_attr *props)
{
PDBG("%s ibdev %p\n", __func__, ibdev);
+
+ memset(props, 0, sizeof(struct ib_port_attr));
props->max_mtu = IB_MTU_4096;
- props->lid = 0;
- props->lmc = 0;
- props->sm_lid = 0;
- props->sm_sl = 0;
+ props->active_mtu = IB_MTU_2048;
props->state = IB_PORT_ACTIVE;
- props->phys_state = 0;
props->port_cap_flags =
IB_PORT_CM_SUP |
IB_PORT_SNMP_TUNNEL_SUP |
@@ -1170,7 +1168,6 @@
IB_PORT_VENDOR_CLASS_SUP | IB_PORT_BOOT_MGMT_SUP;
props->gid_tbl_len = 1;
props->pkey_tbl_len = 1;
- props->qkey_viol_cntr = 0;
props->active_width = 2;
props->active_speed = 2;
props->max_msg_sz = -1;
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index 1ab919f..5d7b785 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -164,6 +164,13 @@
u16 reported;
};
+struct ehca_queue_map {
+ struct ehca_qmap_entry *map;
+ unsigned int entries;
+ unsigned int tail;
+ unsigned int left_to_poll;
+};
+
struct ehca_qp {
union {
struct ib_qp ib_qp;
@@ -173,8 +180,9 @@
enum ehca_ext_qp_type ext_type;
enum ib_qp_state state;
struct ipz_queue ipz_squeue;
- struct ehca_qmap_entry *sq_map;
+ struct ehca_queue_map sq_map;
struct ipz_queue ipz_rqueue;
+ struct ehca_queue_map rq_map;
struct h_galpas galpas;
u32 qkey;
u32 real_qp_num;
@@ -204,6 +212,8 @@
atomic_t nr_events; /* events seen */
wait_queue_head_t wait_completion;
int mig_armed;
+ struct list_head sq_err_node;
+ struct list_head rq_err_node;
};
#define IS_SRQ(qp) (qp->ext_type == EQPT_SRQ)
@@ -233,6 +243,8 @@
/* mmap counter for resources mapped into user space */
u32 mm_count_queue;
u32 mm_count_galpa;
+ struct list_head sqp_err_list;
+ struct list_head rqp_err_list;
};
enum ehca_mr_flag {
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c
index 5540b27..33647a9 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -276,6 +276,9 @@
for (i = 0; i < QP_HASHTAB_LEN; i++)
INIT_HLIST_HEAD(&my_cq->qp_hashtab[i]);
+ INIT_LIST_HEAD(&my_cq->sqp_err_list);
+ INIT_LIST_HEAD(&my_cq->rqp_err_list);
+
if (context) {
struct ipz_queue *ipz_queue = &my_cq->ipz_queue;
struct ehca_create_cq_resp resp;
diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h
index a8a2ea5..8f7f282 100644
--- a/drivers/infiniband/hw/ehca/ehca_iverbs.h
+++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h
@@ -197,6 +197,8 @@
int ehca_calc_ipd(struct ehca_shca *shca, int port,
enum ib_rate path_rate, u32 *ipd);
+void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq);
+
#ifdef CONFIG_PPC_64K_PAGES
void *ehca_alloc_fw_ctrlblock(gfp_t flags);
void ehca_free_fw_ctrlblock(void *ptr);
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index b6bcee0..4dbe287 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -396,6 +396,50 @@
queue->is_small = (queue->page_size != 0);
}
+/* needs to be called with cq->spinlock held */
+void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq)
+{
+ struct list_head *list, *node;
+
+ /* TODO: support low latency QPs */
+ if (qp->ext_type == EQPT_LLQP)
+ return;
+
+ if (on_sq) {
+ list = &qp->send_cq->sqp_err_list;
+ node = &qp->sq_err_node;
+ } else {
+ list = &qp->recv_cq->rqp_err_list;
+ node = &qp->rq_err_node;
+ }
+
+ if (list_empty(node))
+ list_add_tail(node, list);
+
+ return;
+}
+
+static void del_from_err_list(struct ehca_cq *cq, struct list_head *node)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&cq->spinlock, flags);
+
+ if (!list_empty(node))
+ list_del_init(node);
+
+ spin_unlock_irqrestore(&cq->spinlock, flags);
+}
+
+static void reset_queue_map(struct ehca_queue_map *qmap)
+{
+ int i;
+
+ qmap->tail = 0;
+ for (i = 0; i < qmap->entries; i++)
+ qmap->map[i].reported = 1;
+}
+
/*
* Create an ib_qp struct that is either a QP or an SRQ, depending on
* the value of the is_srq parameter. If init_attr and srq_init_attr share
@@ -407,12 +451,11 @@
struct ib_srq_init_attr *srq_init_attr,
struct ib_udata *udata, int is_srq)
{
- struct ehca_qp *my_qp;
+ struct ehca_qp *my_qp, *my_srq = NULL;
struct ehca_pd *my_pd = container_of(pd, struct ehca_pd, ib_pd);
struct ehca_shca *shca = container_of(pd->device, struct ehca_shca,
ib_device);
struct ib_ucontext *context = NULL;
- u32 nr_qes;
u64 h_ret;
int is_llqp = 0, has_srq = 0;
int qp_type, max_send_sge, max_recv_sge, ret;
@@ -457,8 +500,7 @@
/* handle SRQ base QPs */
if (init_attr->srq) {
- struct ehca_qp *my_srq =
- container_of(init_attr->srq, struct ehca_qp, ib_srq);
+ my_srq = container_of(init_attr->srq, struct ehca_qp, ib_srq);
has_srq = 1;
parms.ext_type = EQPT_SRQBASE;
@@ -716,15 +758,19 @@
"and pages ret=%i", ret);
goto create_qp_exit2;
}
- nr_qes = my_qp->ipz_squeue.queue_length /
+
+ my_qp->sq_map.entries = my_qp->ipz_squeue.queue_length /
my_qp->ipz_squeue.qe_size;
- my_qp->sq_map = vmalloc(nr_qes *
+ my_qp->sq_map.map = vmalloc(my_qp->sq_map.entries *
sizeof(struct ehca_qmap_entry));
- if (!my_qp->sq_map) {
+ if (!my_qp->sq_map.map) {
ehca_err(pd->device, "Couldn't allocate squeue "
"map ret=%i", ret);
goto create_qp_exit3;
}
+ INIT_LIST_HEAD(&my_qp->sq_err_node);
+ /* to avoid the generation of bogus flush CQEs */
+ reset_queue_map(&my_qp->sq_map);
}
if (HAS_RQ(my_qp)) {
@@ -736,6 +782,25 @@
"and pages ret=%i", ret);
goto create_qp_exit4;
}
+
+ my_qp->rq_map.entries = my_qp->ipz_rqueue.queue_length /
+ my_qp->ipz_rqueue.qe_size;
+ my_qp->rq_map.map = vmalloc(my_qp->rq_map.entries *
+ sizeof(struct ehca_qmap_entry));
+ if (!my_qp->rq_map.map) {
+ ehca_err(pd->device, "Couldn't allocate squeue "
+ "map ret=%i", ret);
+ goto create_qp_exit5;
+ }
+ INIT_LIST_HEAD(&my_qp->rq_err_node);
+ /* to avoid the generation of bogus flush CQEs */
+ reset_queue_map(&my_qp->rq_map);
+ } else if (init_attr->srq) {
+ /* this is a base QP, use the queue map of the SRQ */
+ my_qp->rq_map = my_srq->rq_map;
+ INIT_LIST_HEAD(&my_qp->rq_err_node);
+
+ my_qp->ipz_rqueue = my_srq->ipz_rqueue;
}
if (is_srq) {
@@ -799,7 +864,7 @@
if (ret) {
ehca_err(pd->device,
"Couldn't assign qp to send_cq ret=%i", ret);
- goto create_qp_exit6;
+ goto create_qp_exit7;
}
}
@@ -825,25 +890,29 @@
if (ib_copy_to_udata(udata, &resp, sizeof resp)) {
ehca_err(pd->device, "Copy to udata failed");
ret = -EINVAL;
- goto create_qp_exit7;
+ goto create_qp_exit8;
}
}
return my_qp;
-create_qp_exit7:
+create_qp_exit8:
ehca_cq_unassign_qp(my_qp->send_cq, my_qp->real_qp_num);
-create_qp_exit6:
+create_qp_exit7:
kfree(my_qp->mod_qp_parm);
+create_qp_exit6:
+ if (HAS_RQ(my_qp))
+ vfree(my_qp->rq_map.map);
+
create_qp_exit5:
if (HAS_RQ(my_qp))
ipz_queue_dtor(my_pd, &my_qp->ipz_rqueue);
create_qp_exit4:
if (HAS_SQ(my_qp))
- vfree(my_qp->sq_map);
+ vfree(my_qp->sq_map.map);
create_qp_exit3:
if (HAS_SQ(my_qp))
@@ -1035,6 +1104,101 @@
return 0;
}
+static int calc_left_cqes(u64 wqe_p, struct ipz_queue *ipz_queue,
+ struct ehca_queue_map *qmap)
+{
+ void *wqe_v;
+ u64 q_ofs;
+ u32 wqe_idx;
+
+ /* convert real to abs address */
+ wqe_p = wqe_p & (~(1UL << 63));
+
+ wqe_v = abs_to_virt(wqe_p);
+
+ if (ipz_queue_abs_to_offset(ipz_queue, wqe_p, &q_ofs)) {
+ ehca_gen_err("Invalid offset for calculating left cqes "
+ "wqe_p=%#lx wqe_v=%p\n", wqe_p, wqe_v);
+ return -EFAULT;
+ }
+
+ wqe_idx = q_ofs / ipz_queue->qe_size;
+ if (wqe_idx < qmap->tail)
+ qmap->left_to_poll = (qmap->entries - qmap->tail) + wqe_idx;
+ else
+ qmap->left_to_poll = wqe_idx - qmap->tail;
+
+ return 0;
+}
+
+static int check_for_left_cqes(struct ehca_qp *my_qp, struct ehca_shca *shca)
+{
+ u64 h_ret;
+ void *send_wqe_p, *recv_wqe_p;
+ int ret;
+ unsigned long flags;
+ int qp_num = my_qp->ib_qp.qp_num;
+
+ /* this hcall is not supported on base QPs */
+ if (my_qp->ext_type != EQPT_SRQBASE) {
+ /* get send and receive wqe pointer */
+ h_ret = hipz_h_disable_and_get_wqe(shca->ipz_hca_handle,
+ my_qp->ipz_qp_handle, &my_qp->pf,
+ &send_wqe_p, &recv_wqe_p, 4);
+ if (h_ret != H_SUCCESS) {
+ ehca_err(&shca->ib_device, "disable_and_get_wqe() "
+ "failed ehca_qp=%p qp_num=%x h_ret=%li",
+ my_qp, qp_num, h_ret);
+ return ehca2ib_return_code(h_ret);
+ }
+
+ /*
+ * acquire lock to ensure that nobody is polling the cq which
+ * could mean that the qmap->tail pointer is in an
+ * inconsistent state.
+ */
+ spin_lock_irqsave(&my_qp->send_cq->spinlock, flags);
+ ret = calc_left_cqes((u64)send_wqe_p, &my_qp->ipz_squeue,
+ &my_qp->sq_map);
+ spin_unlock_irqrestore(&my_qp->send_cq->spinlock, flags);
+ if (ret)
+ return ret;
+
+
+ spin_lock_irqsave(&my_qp->recv_cq->spinlock, flags);
+ ret = calc_left_cqes((u64)recv_wqe_p, &my_qp->ipz_rqueue,
+ &my_qp->rq_map);
+ spin_unlock_irqrestore(&my_qp->recv_cq->spinlock, flags);
+ if (ret)
+ return ret;
+ } else {
+ spin_lock_irqsave(&my_qp->send_cq->spinlock, flags);
+ my_qp->sq_map.left_to_poll = 0;
+ spin_unlock_irqrestore(&my_qp->send_cq->spinlock, flags);
+
+ spin_lock_irqsave(&my_qp->recv_cq->spinlock, flags);
+ my_qp->rq_map.left_to_poll = 0;
+ spin_unlock_irqrestore(&my_qp->recv_cq->spinlock, flags);
+ }
+
+ /* this assures flush cqes being generated only for pending wqes */
+ if ((my_qp->sq_map.left_to_poll == 0) &&
+ (my_qp->rq_map.left_to_poll == 0)) {
+ spin_lock_irqsave(&my_qp->send_cq->spinlock, flags);
+ ehca_add_to_err_list(my_qp, 1);
+ spin_unlock_irqrestore(&my_qp->send_cq->spinlock, flags);
+
+ if (HAS_RQ(my_qp)) {
+ spin_lock_irqsave(&my_qp->recv_cq->spinlock, flags);
+ ehca_add_to_err_list(my_qp, 0);
+ spin_unlock_irqrestore(&my_qp->recv_cq->spinlock,
+ flags);
+ }
+ }
+
+ return 0;
+}
+
/*
* internal_modify_qp with circumvention to handle aqp0 properly
* smi_reset2init indicates if this is an internal reset-to-init-call for
@@ -1539,10 +1703,27 @@
goto modify_qp_exit2;
}
}
+ if ((qp_new_state == IB_QPS_ERR) && (qp_cur_state != IB_QPS_ERR)) {
+ ret = check_for_left_cqes(my_qp, shca);
+ if (ret)
+ goto modify_qp_exit2;
+ }
if (statetrans == IB_QPST_ANY2RESET) {
ipz_qeit_reset(&my_qp->ipz_rqueue);
ipz_qeit_reset(&my_qp->ipz_squeue);
+
+ if (qp_cur_state == IB_QPS_ERR) {
+ del_from_err_list(my_qp->send_cq, &my_qp->sq_err_node);
+
+ if (HAS_RQ(my_qp))
+ del_from_err_list(my_qp->recv_cq,
+ &my_qp->rq_err_node);
+ }
+ reset_queue_map(&my_qp->sq_map);
+
+ if (HAS_RQ(my_qp))
+ reset_queue_map(&my_qp->rq_map);
}
if (attr_mask & IB_QP_QKEY)
@@ -1958,6 +2139,16 @@
idr_remove(&ehca_qp_idr, my_qp->token);
write_unlock_irqrestore(&ehca_qp_idr_lock, flags);
+ /*
+ * SRQs will never get into an error list and do not have a recv_cq,
+ * so we need to skip them here.
+ */
+ if (HAS_RQ(my_qp) && !IS_SRQ(my_qp))
+ del_from_err_list(my_qp->recv_cq, &my_qp->rq_err_node);
+
+ if (HAS_SQ(my_qp))
+ del_from_err_list(my_qp->send_cq, &my_qp->sq_err_node);
+
/* now wait until all pending events have completed */
wait_event(my_qp->wait_completion, !atomic_read(&my_qp->nr_events));
@@ -1983,7 +2174,7 @@
if (qp_type == IB_QPT_GSI) {
struct ib_event event;
ehca_info(dev, "device %s: port %x is inactive.",
- shca->ib_device.name, port_num);
+ shca->ib_device.name, port_num);
event.device = &shca->ib_device;
event.event = IB_EVENT_PORT_ERR;
event.element.port_num = port_num;
@@ -1991,11 +2182,15 @@
ib_dispatch_event(&event);
}
- if (HAS_RQ(my_qp))
+ if (HAS_RQ(my_qp)) {
ipz_queue_dtor(my_pd, &my_qp->ipz_rqueue);
+
+ vfree(my_qp->rq_map.map);
+ }
if (HAS_SQ(my_qp)) {
ipz_queue_dtor(my_pd, &my_qp->ipz_squeue);
- vfree(my_qp->sq_map);
+
+ vfree(my_qp->sq_map.map);
}
kmem_cache_free(qp_cache, my_qp);
atomic_dec(&shca->num_qps);
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c
index 4426d82..6492807 100644
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/infiniband/hw/ehca/ehca_reqs.c
@@ -53,9 +53,25 @@
/* in RC traffic, insert an empty RDMA READ every this many packets */
#define ACK_CIRC_THRESHOLD 2000000
+static u64 replace_wr_id(u64 wr_id, u16 idx)
+{
+ u64 ret;
+
+ ret = wr_id & ~QMAP_IDX_MASK;
+ ret |= idx & QMAP_IDX_MASK;
+
+ return ret;
+}
+
+static u16 get_app_wr_id(u64 wr_id)
+{
+ return wr_id & QMAP_IDX_MASK;
+}
+
static inline int ehca_write_rwqe(struct ipz_queue *ipz_rqueue,
struct ehca_wqe *wqe_p,
- struct ib_recv_wr *recv_wr)
+ struct ib_recv_wr *recv_wr,
+ u32 rq_map_idx)
{
u8 cnt_ds;
if (unlikely((recv_wr->num_sge < 0) ||
@@ -69,7 +85,7 @@
/* clear wqe header until sglist */
memset(wqe_p, 0, offsetof(struct ehca_wqe, u.ud_av.sg_list));
- wqe_p->work_request_id = recv_wr->wr_id;
+ wqe_p->work_request_id = replace_wr_id(recv_wr->wr_id, rq_map_idx);
wqe_p->nr_of_data_seg = recv_wr->num_sge;
for (cnt_ds = 0; cnt_ds < recv_wr->num_sge; cnt_ds++) {
@@ -146,6 +162,7 @@
u64 dma_length;
struct ehca_av *my_av;
u32 remote_qkey = send_wr->wr.ud.remote_qkey;
+ struct ehca_qmap_entry *qmap_entry = &qp->sq_map.map[sq_map_idx];
if (unlikely((send_wr->num_sge < 0) ||
(send_wr->num_sge > qp->ipz_squeue.act_nr_of_sg))) {
@@ -158,11 +175,10 @@
/* clear wqe header until sglist */
memset(wqe_p, 0, offsetof(struct ehca_wqe, u.ud_av.sg_list));
- wqe_p->work_request_id = send_wr->wr_id & ~QMAP_IDX_MASK;
- wqe_p->work_request_id |= sq_map_idx & QMAP_IDX_MASK;
+ wqe_p->work_request_id = replace_wr_id(send_wr->wr_id, sq_map_idx);
- qp->sq_map[sq_map_idx].app_wr_id = send_wr->wr_id & QMAP_IDX_MASK;
- qp->sq_map[sq_map_idx].reported = 0;
+ qmap_entry->app_wr_id = get_app_wr_id(send_wr->wr_id);
+ qmap_entry->reported = 0;
switch (send_wr->opcode) {
case IB_WR_SEND:
@@ -496,7 +512,9 @@
struct ehca_wqe *wqe_p;
int wqe_cnt = 0;
int ret = 0;
+ u32 rq_map_idx;
unsigned long flags;
+ struct ehca_qmap_entry *qmap_entry;
if (unlikely(!HAS_RQ(my_qp))) {
ehca_err(dev, "QP has no RQ ehca_qp=%p qp_num=%x ext_type=%d",
@@ -524,8 +542,15 @@
}
goto post_recv_exit0;
}
+ /*
+ * Get the index of the WQE in the recv queue. The same index
+ * is used for writing into the rq_map.
+ */
+ rq_map_idx = start_offset / my_qp->ipz_rqueue.qe_size;
+
/* write a RECV WQE into the QUEUE */
- ret = ehca_write_rwqe(&my_qp->ipz_rqueue, wqe_p, cur_recv_wr);
+ ret = ehca_write_rwqe(&my_qp->ipz_rqueue, wqe_p, cur_recv_wr,
+ rq_map_idx);
/*
* if something failed,
* reset the free entry pointer to the start value
@@ -540,6 +565,11 @@
}
goto post_recv_exit0;
}
+
+ qmap_entry = &my_qp->rq_map.map[rq_map_idx];
+ qmap_entry->app_wr_id = get_app_wr_id(cur_recv_wr->wr_id);
+ qmap_entry->reported = 0;
+
wqe_cnt++;
} /* eof for cur_recv_wr */
@@ -596,10 +626,12 @@
/* internal function to poll one entry of cq */
static inline int ehca_poll_cq_one(struct ib_cq *cq, struct ib_wc *wc)
{
- int ret = 0;
+ int ret = 0, qmap_tail_idx;
struct ehca_cq *my_cq = container_of(cq, struct ehca_cq, ib_cq);
struct ehca_cqe *cqe;
struct ehca_qp *my_qp;
+ struct ehca_qmap_entry *qmap_entry;
+ struct ehca_queue_map *qmap;
int cqe_count = 0, is_error;
repoll:
@@ -674,27 +706,52 @@
goto repoll;
wc->qp = &my_qp->ib_qp;
- if (!(cqe->w_completion_flags & WC_SEND_RECEIVE_BIT)) {
- struct ehca_qmap_entry *qmap_entry;
+ if (is_error) {
/*
- * We got a send completion and need to restore the original
- * wr_id.
+ * set left_to_poll to 0 because in error state, we will not
+ * get any additional CQEs
*/
- qmap_entry = &my_qp->sq_map[cqe->work_request_id &
- QMAP_IDX_MASK];
+ ehca_add_to_err_list(my_qp, 1);
+ my_qp->sq_map.left_to_poll = 0;
- if (qmap_entry->reported) {
- ehca_warn(cq->device, "Double cqe on qp_num=%#x",
- my_qp->real_qp_num);
- /* found a double cqe, discard it and read next one */
- goto repoll;
- }
- wc->wr_id = cqe->work_request_id & ~QMAP_IDX_MASK;
- wc->wr_id |= qmap_entry->app_wr_id;
- qmap_entry->reported = 1;
- } else
+ if (HAS_RQ(my_qp))
+ ehca_add_to_err_list(my_qp, 0);
+ my_qp->rq_map.left_to_poll = 0;
+ }
+
+ qmap_tail_idx = get_app_wr_id(cqe->work_request_id);
+ if (!(cqe->w_completion_flags & WC_SEND_RECEIVE_BIT))
+ /* We got a send completion. */
+ qmap = &my_qp->sq_map;
+ else
/* We got a receive completion. */
- wc->wr_id = cqe->work_request_id;
+ qmap = &my_qp->rq_map;
+
+ qmap_entry = &qmap->map[qmap_tail_idx];
+ if (qmap_entry->reported) {
+ ehca_warn(cq->device, "Double cqe on qp_num=%#x",
+ my_qp->real_qp_num);
+ /* found a double cqe, discard it and read next one */
+ goto repoll;
+ }
+
+ wc->wr_id = replace_wr_id(cqe->work_request_id, qmap_entry->app_wr_id);
+ qmap_entry->reported = 1;
+
+ /* this is a proper completion, we need to advance the tail pointer */
+ if (++qmap->tail == qmap->entries)
+ qmap->tail = 0;
+
+ /* if left_to_poll is decremented to 0, add the QP to the error list */
+ if (qmap->left_to_poll > 0) {
+ qmap->left_to_poll--;
+ if ((my_qp->sq_map.left_to_poll == 0) &&
+ (my_qp->rq_map.left_to_poll == 0)) {
+ ehca_add_to_err_list(my_qp, 1);
+ if (HAS_RQ(my_qp))
+ ehca_add_to_err_list(my_qp, 0);
+ }
+ }
/* eval ib_wc_opcode */
wc->opcode = ib_wc_opcode[cqe->optype]-1;
@@ -733,13 +790,88 @@
return ret;
}
+static int generate_flush_cqes(struct ehca_qp *my_qp, struct ib_cq *cq,
+ struct ib_wc *wc, int num_entries,
+ struct ipz_queue *ipz_queue, int on_sq)
+{
+ int nr = 0;
+ struct ehca_wqe *wqe;
+ u64 offset;
+ struct ehca_queue_map *qmap;
+ struct ehca_qmap_entry *qmap_entry;
+
+ if (on_sq)
+ qmap = &my_qp->sq_map;
+ else
+ qmap = &my_qp->rq_map;
+
+ qmap_entry = &qmap->map[qmap->tail];
+
+ while ((nr < num_entries) && (qmap_entry->reported == 0)) {
+ /* generate flush CQE */
+ memset(wc, 0, sizeof(*wc));
+
+ offset = qmap->tail * ipz_queue->qe_size;
+ wqe = (struct ehca_wqe *)ipz_qeit_calc(ipz_queue, offset);
+ if (!wqe) {
+ ehca_err(cq->device, "Invalid wqe offset=%#lx on "
+ "qp_num=%#x", offset, my_qp->real_qp_num);
+ return nr;
+ }
+
+ wc->wr_id = replace_wr_id(wqe->work_request_id,
+ qmap_entry->app_wr_id);
+
+ if (on_sq) {
+ switch (wqe->optype) {
+ case WQE_OPTYPE_SEND:
+ wc->opcode = IB_WC_SEND;
+ break;
+ case WQE_OPTYPE_RDMAWRITE:
+ wc->opcode = IB_WC_RDMA_WRITE;
+ break;
+ case WQE_OPTYPE_RDMAREAD:
+ wc->opcode = IB_WC_RDMA_READ;
+ break;
+ default:
+ ehca_err(cq->device, "Invalid optype=%x",
+ wqe->optype);
+ return nr;
+ }
+ } else
+ wc->opcode = IB_WC_RECV;
+
+ if (wqe->wr_flag & WQE_WRFLAG_IMM_DATA_PRESENT) {
+ wc->ex.imm_data = wqe->immediate_data;
+ wc->wc_flags |= IB_WC_WITH_IMM;
+ }
+
+ wc->status = IB_WC_WR_FLUSH_ERR;
+
+ wc->qp = &my_qp->ib_qp;
+
+ /* mark as reported and advance tail pointer */
+ qmap_entry->reported = 1;
+ if (++qmap->tail == qmap->entries)
+ qmap->tail = 0;
+ qmap_entry = &qmap->map[qmap->tail];
+
+ wc++; nr++;
+ }
+
+ return nr;
+
+}
+
int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc)
{
struct ehca_cq *my_cq = container_of(cq, struct ehca_cq, ib_cq);
int nr;
+ struct ehca_qp *err_qp;
struct ib_wc *current_wc = wc;
int ret = 0;
unsigned long flags;
+ int entries_left = num_entries;
if (num_entries < 1) {
ehca_err(cq->device, "Invalid num_entries=%d ehca_cq=%p "
@@ -749,15 +881,40 @@
}
spin_lock_irqsave(&my_cq->spinlock, flags);
- for (nr = 0; nr < num_entries; nr++) {
+
+ /* generate flush cqes for send queues */
+ list_for_each_entry(err_qp, &my_cq->sqp_err_list, sq_err_node) {
+ nr = generate_flush_cqes(err_qp, cq, current_wc, entries_left,
+ &err_qp->ipz_squeue, 1);
+ entries_left -= nr;
+ current_wc += nr;
+
+ if (entries_left == 0)
+ break;
+ }
+
+ /* generate flush cqes for receive queues */
+ list_for_each_entry(err_qp, &my_cq->rqp_err_list, rq_err_node) {
+ nr = generate_flush_cqes(err_qp, cq, current_wc, entries_left,
+ &err_qp->ipz_rqueue, 0);
+ entries_left -= nr;
+ current_wc += nr;
+
+ if (entries_left == 0)
+ break;
+ }
+
+ for (nr = 0; nr < entries_left; nr++) {
ret = ehca_poll_cq_one(cq, current_wc);
if (ret)
break;
current_wc++;
} /* eof for nr */
+ entries_left -= nr;
+
spin_unlock_irqrestore(&my_cq->spinlock, flags);
if (ret == -EAGAIN || !ret)
- ret = nr;
+ ret = num_entries - entries_left;
poll_cq_exit0:
return ret;
diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c
index 9771052..7b93cda 100644
--- a/drivers/infiniband/hw/ipath/ipath_rc.c
+++ b/drivers/infiniband/hw/ipath/ipath_rc.c
@@ -675,7 +675,8 @@
hdr.lrh[0] = cpu_to_be16(lrh0);
hdr.lrh[1] = cpu_to_be16(qp->remote_ah_attr.dlid);
hdr.lrh[2] = cpu_to_be16(hwords + SIZE_OF_CRC);
- hdr.lrh[3] = cpu_to_be16(dd->ipath_lid);
+ hdr.lrh[3] = cpu_to_be16(dd->ipath_lid |
+ qp->remote_ah_attr.src_path_bits);
ohdr->bth[0] = cpu_to_be32(bth0);
ohdr->bth[1] = cpu_to_be32(qp->remote_qpn);
ohdr->bth[2] = cpu_to_be32(qp->r_ack_psn & IPATH_PSN_MASK);
diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c
index af051f7..fc0f6d9 100644
--- a/drivers/infiniband/hw/ipath/ipath_ruc.c
+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c
@@ -618,7 +618,8 @@
qp->s_hdr.lrh[0] = cpu_to_be16(lrh0);
qp->s_hdr.lrh[1] = cpu_to_be16(qp->remote_ah_attr.dlid);
qp->s_hdr.lrh[2] = cpu_to_be16(qp->s_hdrwords + nwords + SIZE_OF_CRC);
- qp->s_hdr.lrh[3] = cpu_to_be16(dev->dd->ipath_lid);
+ qp->s_hdr.lrh[3] = cpu_to_be16(dev->dd->ipath_lid |
+ qp->remote_ah_attr.src_path_bits);
bth0 |= ipath_get_pkey(dev->dd, qp->s_pkey_index);
bth0 |= extra_bytes << 20;
ohdr->bth[0] = cpu_to_be32(bth0 | (1 << 22));
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index b766e40..eabc424 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -340,9 +340,16 @@
int acc;
int ret;
unsigned long flags;
+ struct ipath_devdata *dd = to_idev(qp->ibqp.device)->dd;
spin_lock_irqsave(&qp->s_lock, flags);
+ if (qp->ibqp.qp_type != IB_QPT_SMI &&
+ !(dd->ipath_flags & IPATH_LINKACTIVE)) {
+ ret = -ENETDOWN;
+ goto bail;
+ }
+
/* Check that state is OK to post send. */
if (unlikely(!(ib_ipath_state_ops[qp->state] & IPATH_POST_SEND_OK)))
goto bail_inval;
diff --git a/drivers/infiniband/hw/mthca/mthca_catas.c b/drivers/infiniband/hw/mthca/mthca_catas.c
index cc440f9..65ad359 100644
--- a/drivers/infiniband/hw/mthca/mthca_catas.c
+++ b/drivers/infiniband/hw/mthca/mthca_catas.c
@@ -149,18 +149,10 @@
((pci_resource_len(dev->pdev, 0) - 1) &
dev->catas_err.addr);
- if (!request_mem_region(addr, dev->catas_err.size * 4,
- DRV_NAME)) {
- mthca_warn(dev, "couldn't request catastrophic error region "
- "at 0x%lx/0x%x\n", addr, dev->catas_err.size * 4);
- return;
- }
-
dev->catas_err.map = ioremap(addr, dev->catas_err.size * 4);
if (!dev->catas_err.map) {
mthca_warn(dev, "couldn't map catastrophic error region "
"at 0x%lx/0x%x\n", addr, dev->catas_err.size * 4);
- release_mem_region(addr, dev->catas_err.size * 4);
return;
}
@@ -175,13 +167,8 @@
{
del_timer_sync(&dev->catas_err.timer);
- if (dev->catas_err.map) {
+ if (dev->catas_err.map)
iounmap(dev->catas_err.map);
- release_mem_region(pci_resource_start(dev->pdev, 0) +
- ((pci_resource_len(dev->pdev, 0) - 1) &
- dev->catas_err.addr),
- dev->catas_err.size * 4);
- }
spin_lock_irq(&catas_lock);
list_del(&dev->catas_err.list);
diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c
index cc6858f..28f0e0c 100644
--- a/drivers/infiniband/hw/mthca/mthca_eq.c
+++ b/drivers/infiniband/hw/mthca/mthca_eq.c
@@ -652,27 +652,13 @@
{
unsigned long base = pci_resource_start(dev->pdev, 0);
- if (!request_mem_region(base + offset, size, DRV_NAME))
- return -EBUSY;
-
*map = ioremap(base + offset, size);
- if (!*map) {
- release_mem_region(base + offset, size);
+ if (!*map)
return -ENOMEM;
- }
return 0;
}
-static void mthca_unmap_reg(struct mthca_dev *dev, unsigned long offset,
- unsigned long size, void __iomem *map)
-{
- unsigned long base = pci_resource_start(dev->pdev, 0);
-
- release_mem_region(base + offset, size);
- iounmap(map);
-}
-
static int mthca_map_eq_regs(struct mthca_dev *dev)
{
if (mthca_is_memfree(dev)) {
@@ -699,9 +685,7 @@
dev->fw.arbel.eq_arm_base) + 4, 4,
&dev->eq_regs.arbel.eq_arm)) {
mthca_err(dev, "Couldn't map EQ arm register, aborting.\n");
- mthca_unmap_reg(dev, (pci_resource_len(dev->pdev, 0) - 1) &
- dev->fw.arbel.clr_int_base, MTHCA_CLR_INT_SIZE,
- dev->clr_base);
+ iounmap(dev->clr_base);
return -ENOMEM;
}
@@ -710,12 +694,8 @@
MTHCA_EQ_SET_CI_SIZE,
&dev->eq_regs.arbel.eq_set_ci_base)) {
mthca_err(dev, "Couldn't map EQ CI register, aborting.\n");
- mthca_unmap_reg(dev, ((pci_resource_len(dev->pdev, 0) - 1) &
- dev->fw.arbel.eq_arm_base) + 4, 4,
- dev->eq_regs.arbel.eq_arm);
- mthca_unmap_reg(dev, (pci_resource_len(dev->pdev, 0) - 1) &
- dev->fw.arbel.clr_int_base, MTHCA_CLR_INT_SIZE,
- dev->clr_base);
+ iounmap(dev->eq_regs.arbel.eq_arm);
+ iounmap(dev->clr_base);
return -ENOMEM;
}
} else {
@@ -731,8 +711,7 @@
&dev->eq_regs.tavor.ecr_base)) {
mthca_err(dev, "Couldn't map ecr register, "
"aborting.\n");
- mthca_unmap_reg(dev, MTHCA_CLR_INT_BASE, MTHCA_CLR_INT_SIZE,
- dev->clr_base);
+ iounmap(dev->clr_base);
return -ENOMEM;
}
}
@@ -744,22 +723,12 @@
static void mthca_unmap_eq_regs(struct mthca_dev *dev)
{
if (mthca_is_memfree(dev)) {
- mthca_unmap_reg(dev, (pci_resource_len(dev->pdev, 0) - 1) &
- dev->fw.arbel.eq_set_ci_base,
- MTHCA_EQ_SET_CI_SIZE,
- dev->eq_regs.arbel.eq_set_ci_base);
- mthca_unmap_reg(dev, ((pci_resource_len(dev->pdev, 0) - 1) &
- dev->fw.arbel.eq_arm_base) + 4, 4,
- dev->eq_regs.arbel.eq_arm);
- mthca_unmap_reg(dev, (pci_resource_len(dev->pdev, 0) - 1) &
- dev->fw.arbel.clr_int_base, MTHCA_CLR_INT_SIZE,
- dev->clr_base);
+ iounmap(dev->eq_regs.arbel.eq_set_ci_base);
+ iounmap(dev->eq_regs.arbel.eq_arm);
+ iounmap(dev->clr_base);
} else {
- mthca_unmap_reg(dev, MTHCA_ECR_BASE,
- MTHCA_ECR_SIZE + MTHCA_ECR_CLR_SIZE,
- dev->eq_regs.tavor.ecr_base);
- mthca_unmap_reg(dev, MTHCA_CLR_INT_BASE, MTHCA_CLR_INT_SIZE,
- dev->clr_base);
+ iounmap(dev->eq_regs.tavor.ecr_base);
+ iounmap(dev->clr_base);
}
}
diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index fb9f91b..52f60f4 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -921,58 +921,6 @@
return err;
}
-static int mthca_request_regions(struct pci_dev *pdev, int ddr_hidden)
-{
- int err;
-
- /*
- * We can't just use pci_request_regions() because the MSI-X
- * table is right in the middle of the first BAR. If we did
- * pci_request_region and grab all of the first BAR, then
- * setting up MSI-X would fail, since the PCI core wants to do
- * request_mem_region on the MSI-X vector table.
- *
- * So just request what we need right now, and request any
- * other regions we need when setting up EQs.
- */
- if (!request_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
- MTHCA_HCR_SIZE, DRV_NAME))
- return -EBUSY;
-
- err = pci_request_region(pdev, 2, DRV_NAME);
- if (err)
- goto err_bar2_failed;
-
- if (!ddr_hidden) {
- err = pci_request_region(pdev, 4, DRV_NAME);
- if (err)
- goto err_bar4_failed;
- }
-
- return 0;
-
-err_bar4_failed:
- pci_release_region(pdev, 2);
-
-err_bar2_failed:
- release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
- MTHCA_HCR_SIZE);
-
- return err;
-}
-
-static void mthca_release_regions(struct pci_dev *pdev,
- int ddr_hidden)
-{
- if (!ddr_hidden)
- pci_release_region(pdev, 4);
-
- pci_release_region(pdev, 2);
-
- release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
- MTHCA_HCR_SIZE);
-}
-
static int mthca_enable_msi_x(struct mthca_dev *mdev)
{
struct msix_entry entries[3];
@@ -1059,7 +1007,7 @@
if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM))
ddr_hidden = 1;
- err = mthca_request_regions(pdev, ddr_hidden);
+ err = pci_request_regions(pdev, DRV_NAME);
if (err) {
dev_err(&pdev->dev, "Cannot obtain PCI resources, "
"aborting.\n");
@@ -1196,7 +1144,7 @@
ib_dealloc_device(&mdev->ib_dev);
err_free_res:
- mthca_release_regions(pdev, ddr_hidden);
+ pci_release_regions(pdev);
err_disable_pdev:
pci_disable_device(pdev);
@@ -1240,8 +1188,7 @@
pci_disable_msix(pdev);
ib_dealloc_device(&mdev->ib_dev);
- mthca_release_regions(pdev, mdev->mthca_flags &
- MTHCA_FLAG_DDR_HIDDEN);
+ pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
}
diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
index b0cab64..a2b04d6 100644
--- a/drivers/infiniband/hw/nes/nes.c
+++ b/drivers/infiniband/hw/nes/nes.c
@@ -70,27 +70,31 @@
/* Interoperability */
int mpa_version = 1;
-module_param(mpa_version, int, 0);
+module_param(mpa_version, int, 0644);
MODULE_PARM_DESC(mpa_version, "MPA version to be used int MPA Req/Resp (0 or 1)");
/* Interoperability */
int disable_mpa_crc = 0;
-module_param(disable_mpa_crc, int, 0);
+module_param(disable_mpa_crc, int, 0644);
MODULE_PARM_DESC(disable_mpa_crc, "Disable checking of MPA CRC");
unsigned int send_first = 0;
-module_param(send_first, int, 0);
+module_param(send_first, int, 0644);
MODULE_PARM_DESC(send_first, "Send RDMA Message First on Active Connection");
unsigned int nes_drv_opt = 0;
-module_param(nes_drv_opt, int, 0);
+module_param(nes_drv_opt, int, 0644);
MODULE_PARM_DESC(nes_drv_opt, "Driver option parameters");
unsigned int nes_debug_level = 0;
module_param_named(debug_level, nes_debug_level, uint, 0644);
MODULE_PARM_DESC(debug_level, "Enable debug output level");
+unsigned int wqm_quanta = 0x10000;
+module_param(wqm_quanta, int, 0644);
+MODULE_PARM_DESC(wqm_quanta, "WQM quanta");
+
LIST_HEAD(nes_adapter_list);
static LIST_HEAD(nes_dev_list);
@@ -557,12 +561,32 @@
goto bail5;
}
nesdev->nesadapter->et_rx_coalesce_usecs_irq = interrupt_mod_interval;
+ nesdev->nesadapter->wqm_quanta = wqm_quanta;
/* nesdev->base_doorbell_index =
nesdev->nesadapter->pd_config_base[PCI_FUNC(nesdev->pcidev->devfn)]; */
nesdev->base_doorbell_index = 1;
nesdev->doorbell_start = nesdev->nesadapter->doorbell_start;
- nesdev->mac_index = PCI_FUNC(nesdev->pcidev->devfn) % nesdev->nesadapter->port_count;
+ if (nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) {
+ switch (PCI_FUNC(nesdev->pcidev->devfn) %
+ nesdev->nesadapter->port_count) {
+ case 1:
+ nesdev->mac_index = 2;
+ break;
+ case 2:
+ nesdev->mac_index = 1;
+ break;
+ case 3:
+ nesdev->mac_index = 3;
+ break;
+ case 0:
+ default:
+ nesdev->mac_index = 0;
+ }
+ } else {
+ nesdev->mac_index = PCI_FUNC(nesdev->pcidev->devfn) %
+ nesdev->nesadapter->port_count;
+ }
tasklet_init(&nesdev->dpc_tasklet, nes_dpc, (unsigned long)nesdev);
@@ -581,7 +605,7 @@
nesdev->int_req = (0x101 << PCI_FUNC(nesdev->pcidev->devfn)) |
(1 << (PCI_FUNC(nesdev->pcidev->devfn)+16));
if (PCI_FUNC(nesdev->pcidev->devfn) < 4) {
- nesdev->int_req |= (1 << (PCI_FUNC(nesdev->pcidev->devfn)+24));
+ nesdev->int_req |= (1 << (PCI_FUNC(nesdev->mac_index)+24));
}
/* TODO: This really should be the first driver to load, not function 0 */
@@ -772,14 +796,14 @@
list_for_each_entry(nesdev, &nes_dev_list, list) {
if (i == ee_flsh_adapter) {
- devfn = nesdev->nesadapter->devfn;
- bus_number = nesdev->nesadapter->bus_number;
+ devfn = nesdev->pcidev->devfn;
+ bus_number = nesdev->pcidev->bus->number;
break;
}
i++;
}
- return snprintf(buf, PAGE_SIZE, "%x:%x", bus_number, devfn);
+ return snprintf(buf, PAGE_SIZE, "%x:%x\n", bus_number, devfn);
}
static ssize_t nes_store_adapter(struct device_driver *ddp,
@@ -1050,6 +1074,55 @@
return strnlen(buf, count);
}
+
+/**
+ * nes_show_wqm_quanta
+ */
+static ssize_t nes_show_wqm_quanta(struct device_driver *ddp, char *buf)
+{
+ u32 wqm_quanta_value = 0xdead;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ wqm_quanta_value = nesdev->nesadapter->wqm_quanta;
+ break;
+ }
+ i++;
+ }
+
+ return snprintf(buf, PAGE_SIZE, "0x%X\n", wqm_quanta);
+}
+
+
+/**
+ * nes_store_wqm_quanta
+ */
+static ssize_t nes_store_wqm_quanta(struct device_driver *ddp,
+ const char *buf, size_t count)
+{
+ unsigned long wqm_quanta_value;
+ u32 wqm_config1;
+ u32 i = 0;
+ struct nes_device *nesdev;
+
+ strict_strtoul(buf, 0, &wqm_quanta_value);
+ list_for_each_entry(nesdev, &nes_dev_list, list) {
+ if (i == ee_flsh_adapter) {
+ nesdev->nesadapter->wqm_quanta = wqm_quanta_value;
+ wqm_config1 = nes_read_indexed(nesdev,
+ NES_IDX_WQM_CONFIG1);
+ nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG1,
+ ((wqm_quanta_value << 1) |
+ (wqm_config1 & 0x00000001)));
+ break;
+ }
+ i++;
+ }
+ return strnlen(buf, count);
+}
+
static DRIVER_ATTR(adapter, S_IRUSR | S_IWUSR,
nes_show_adapter, nes_store_adapter);
static DRIVER_ATTR(eeprom_cmd, S_IRUSR | S_IWUSR,
@@ -1068,6 +1141,8 @@
nes_show_idx_addr, nes_store_idx_addr);
static DRIVER_ATTR(idx_data, S_IRUSR | S_IWUSR,
nes_show_idx_data, nes_store_idx_data);
+static DRIVER_ATTR(wqm_quanta, S_IRUSR | S_IWUSR,
+ nes_show_wqm_quanta, nes_store_wqm_quanta);
static int nes_create_driver_sysfs(struct pci_driver *drv)
{
@@ -1081,6 +1156,7 @@
error |= driver_create_file(&drv->driver, &driver_attr_nonidx_data);
error |= driver_create_file(&drv->driver, &driver_attr_idx_addr);
error |= driver_create_file(&drv->driver, &driver_attr_idx_data);
+ error |= driver_create_file(&drv->driver, &driver_attr_wqm_quanta);
return error;
}
@@ -1095,6 +1171,7 @@
driver_remove_file(&drv->driver, &driver_attr_nonidx_data);
driver_remove_file(&drv->driver, &driver_attr_idx_addr);
driver_remove_file(&drv->driver, &driver_attr_idx_data);
+ driver_remove_file(&drv->driver, &driver_attr_wqm_quanta);
}
/**
diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
index 8eb7ae9..1595dc7 100644
--- a/drivers/infiniband/hw/nes/nes.h
+++ b/drivers/infiniband/hw/nes/nes.h
@@ -169,7 +169,7 @@
extern unsigned int send_first;
extern unsigned int nes_drv_opt;
extern unsigned int nes_debug_level;
-
+extern unsigned int wqm_quanta;
extern struct list_head nes_adapter_list;
extern atomic_t cm_connects;
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index 499d3cf..2caf9da 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -52,7 +52,7 @@
#include <linux/random.h>
#include <linux/list.h>
#include <linux/threads.h>
-
+#include <net/arp.h>
#include <net/neighbour.h>
#include <net/route.h>
#include <net/ip_fib.h>
@@ -1019,23 +1019,43 @@
/**
- * nes_addr_send_arp
+ * nes_addr_resolve_neigh
*/
-static void nes_addr_send_arp(u32 dst_ip)
+static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip)
{
struct rtable *rt;
struct flowi fl;
+ struct neighbour *neigh;
+ int rc = -1;
+ DECLARE_MAC_BUF(mac);
memset(&fl, 0, sizeof fl);
fl.nl_u.ip4_u.daddr = htonl(dst_ip);
if (ip_route_output_key(&init_net, &rt, &fl)) {
printk("%s: ip_route_output_key failed for 0x%08X\n",
__func__, dst_ip);
- return;
+ return rc;
}
- neigh_event_send(rt->u.dst.neighbour, NULL);
+ neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, nesvnic->netdev);
+ if (neigh) {
+ if (neigh->nud_state & NUD_VALID) {
+ nes_debug(NES_DBG_CM, "Neighbor MAC address for 0x%08X"
+ " is %s, Gateway is 0x%08X \n", dst_ip,
+ print_mac(mac, neigh->ha), ntohl(rt->rt_gateway));
+ nes_manage_arp_cache(nesvnic->netdev, neigh->ha,
+ dst_ip, NES_ARP_ADD);
+ rc = nes_arp_table(nesvnic->nesdev, dst_ip, NULL,
+ NES_ARP_RESOLVE);
+ }
+ neigh_release(neigh);
+ }
+
+ if ((neigh == NULL) || (!(neigh->nud_state & NUD_VALID)))
+ neigh_event_send(rt->u.dst.neighbour, NULL);
+
ip_rt_put(rt);
+ return rc;
}
@@ -1108,9 +1128,11 @@
/* get the mac addr for the remote node */
arpindex = nes_arp_table(nesdev, cm_node->rem_addr, NULL, NES_ARP_RESOLVE);
if (arpindex < 0) {
- kfree(cm_node);
- nes_addr_send_arp(cm_info->rem_addr);
- return NULL;
+ arpindex = nes_addr_resolve_neigh(nesvnic, cm_info->rem_addr);
+ if (arpindex < 0) {
+ kfree(cm_node);
+ return NULL;
+ }
}
/* copy the mac addr to node context */
@@ -1826,7 +1848,7 @@
/**
* mini_cm_connect - make a connection node with params
*/
-struct nes_cm_node *mini_cm_connect(struct nes_cm_core *cm_core,
+static struct nes_cm_node *mini_cm_connect(struct nes_cm_core *cm_core,
struct nes_vnic *nesvnic, u16 private_data_len,
void *private_data, struct nes_cm_info *cm_info)
{
@@ -2007,7 +2029,6 @@
ret = rem_ref_cm_node(cm_core, cm_node);
break;
}
- cm_node->cm_id = NULL;
return ret;
}
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 1513d40..7c49cc8 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -55,18 +55,19 @@
u32 int_mod_cq_depth_16;
u32 int_mod_cq_depth_4;
u32 int_mod_cq_depth_1;
-
+static const u8 nes_max_critical_error_count = 100;
#include "nes_cm.h"
static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq);
static void nes_init_csr_ne020(struct nes_device *nesdev, u8 hw_rev, u8 port_count);
static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
- u8 OneG_Mode);
+ struct nes_adapter *nesadapter, u8 OneG_Mode);
static void nes_nic_napi_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq);
static void nes_process_aeq(struct nes_device *nesdev, struct nes_hw_aeq *aeq);
static void nes_process_ceq(struct nes_device *nesdev, struct nes_hw_ceq *ceq);
static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
struct nes_hw_aeqe *aeqe);
+static void process_critical_error(struct nes_device *nesdev);
static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number);
static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_Mode);
@@ -222,11 +223,10 @@
}
/* boundary checking */
- if (shared_timer->timer_in_use > NES_NIC_FAST_TIMER_HIGH)
- shared_timer->timer_in_use = NES_NIC_FAST_TIMER_HIGH;
- else if (shared_timer->timer_in_use < NES_NIC_FAST_TIMER_LOW) {
- shared_timer->timer_in_use = NES_NIC_FAST_TIMER_LOW;
- }
+ if (shared_timer->timer_in_use > shared_timer->threshold_high)
+ shared_timer->timer_in_use = shared_timer->threshold_high;
+ else if (shared_timer->timer_in_use < shared_timer->threshold_low)
+ shared_timer->timer_in_use = shared_timer->threshold_low;
nesdev->currcq_count = 0;
@@ -292,9 +292,6 @@
if ((port_count = nes_reset_adapter_ne020(nesdev, &OneG_Mode)) == 0)
return NULL;
- if (nes_init_serdes(nesdev, hw_rev, port_count, OneG_Mode))
- return NULL;
- nes_init_csr_ne020(nesdev, hw_rev, port_count);
max_qp = nes_read_indexed(nesdev, NES_IDX_QP_CTX_SIZE);
nes_debug(NES_DBG_INIT, "QP_CTX_SIZE=%u\n", max_qp);
@@ -353,6 +350,22 @@
nes_debug(NES_DBG_INIT, "Allocating new nesadapter @ %p, size = %u (actual size = %u).\n",
nesadapter, (u32)sizeof(struct nes_adapter), adapter_size);
+ if (nes_read_eeprom_values(nesdev, nesadapter)) {
+ printk(KERN_ERR PFX "Unable to read EEPROM data.\n");
+ kfree(nesadapter);
+ return NULL;
+ }
+
+ if (nes_init_serdes(nesdev, hw_rev, port_count, nesadapter,
+ OneG_Mode)) {
+ kfree(nesadapter);
+ return NULL;
+ }
+ nes_init_csr_ne020(nesdev, hw_rev, port_count);
+
+ memset(nesadapter->pft_mcast_map, 255,
+ sizeof nesadapter->pft_mcast_map);
+
/* populate the new nesadapter */
nesadapter->devfn = nesdev->pcidev->devfn;
nesadapter->bus_number = nesdev->pcidev->bus->number;
@@ -468,20 +481,25 @@
/* setup port configuration */
if (nesadapter->port_count == 1) {
- u32temp = 0x00000000;
+ nesadapter->log_port = 0x00000000;
if (nes_drv_opt & NES_DRV_OPT_DUAL_LOGICAL_PORT)
nes_write_indexed(nesdev, NES_IDX_TX_POOL_SIZE, 0x00000002);
else
nes_write_indexed(nesdev, NES_IDX_TX_POOL_SIZE, 0x00000003);
} else {
- if (nesadapter->port_count == 2)
- u32temp = 0x00000044;
- else
- u32temp = 0x000000e4;
+ if (nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) {
+ nesadapter->log_port = 0x000000D8;
+ } else {
+ if (nesadapter->port_count == 2)
+ nesadapter->log_port = 0x00000044;
+ else
+ nesadapter->log_port = 0x000000e4;
+ }
nes_write_indexed(nesdev, NES_IDX_TX_POOL_SIZE, 0x00000003);
}
- nes_write_indexed(nesdev, NES_IDX_NIC_LOGPORT_TO_PHYPORT, u32temp);
+ nes_write_indexed(nesdev, NES_IDX_NIC_LOGPORT_TO_PHYPORT,
+ nesadapter->log_port);
nes_debug(NES_DBG_INIT, "Probe time, LOG2PHY=%u\n",
nes_read_indexed(nesdev, NES_IDX_NIC_LOGPORT_TO_PHYPORT));
@@ -706,23 +724,43 @@
* nes_init_serdes
*/
static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
- u8 OneG_Mode)
+ struct nes_adapter *nesadapter, u8 OneG_Mode)
{
int i;
u32 u32temp;
+ u32 serdes_common_control;
if (hw_rev != NE020_REV) {
/* init serdes 0 */
nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL0, 0x000000FF);
- if (!OneG_Mode)
+ if (nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) {
+ serdes_common_control = nes_read_indexed(nesdev,
+ NES_IDX_ETH_SERDES_COMMON_CONTROL0);
+ serdes_common_control |= 0x000000100;
+ nes_write_indexed(nesdev,
+ NES_IDX_ETH_SERDES_COMMON_CONTROL0,
+ serdes_common_control);
+ } else if (!OneG_Mode) {
nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_HIGHZ_LANE_MODE0, 0x11110000);
- if (port_count > 1) {
+ }
+ if (((port_count > 1) &&
+ (nesadapter->phy_type[0] != NES_PHY_TYPE_PUMA_1G)) ||
+ ((port_count > 2) &&
+ (nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G))) {
/* init serdes 1 */
nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL1, 0x000000FF);
- if (!OneG_Mode)
+ if (nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) {
+ serdes_common_control = nes_read_indexed(nesdev,
+ NES_IDX_ETH_SERDES_COMMON_CONTROL1);
+ serdes_common_control |= 0x000000100;
+ nes_write_indexed(nesdev,
+ NES_IDX_ETH_SERDES_COMMON_CONTROL1,
+ serdes_common_control);
+ } else if (!OneG_Mode) {
nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_HIGHZ_LANE_MODE1, 0x11110000);
}
+ }
} else {
/* init serdes 0 */
nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL0, 0x00000008);
@@ -826,7 +864,8 @@
nes_write_indexed(nesdev, 0x00005000, 0x00018000);
/* nes_write_indexed(nesdev, 0x00005000, 0x00010000); */
- nes_write_indexed(nesdev, 0x00005004, 0x00020001);
+ nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG1, (wqm_quanta << 1) |
+ 0x00000001);
nes_write_indexed(nesdev, 0x00005008, 0x1F1F1F1F);
nes_write_indexed(nesdev, 0x00005010, 0x1F1F1F1F);
nes_write_indexed(nesdev, 0x00005018, 0x1F1F1F1F);
@@ -1226,6 +1265,7 @@
if (nesadapter->phy_type[mac_index] == NES_PHY_TYPE_1G) {
printk(PFX "%s: Programming mdc config for 1G\n", __func__);
tx_config = nes_read_indexed(nesdev, NES_IDX_MAC_TX_CONFIG);
+ tx_config &= 0xFFFFFFE3;
tx_config |= 0x04;
nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config);
}
@@ -1291,7 +1331,8 @@
(nesadapter->phy_type[mac_index] == NES_PHY_TYPE_ARGUS)) {
/* setup 10G MDIO operation */
tx_config = nes_read_indexed(nesdev, NES_IDX_MAC_TX_CONFIG);
- tx_config |= 0x14;
+ tx_config &= 0xFFFFFFE3;
+ tx_config |= 0x15;
nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config);
}
if ((nesadapter->phy_type[mac_index] == NES_PHY_TYPE_ARGUS)) {
@@ -1315,7 +1356,7 @@
nes_write_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 0x1, 0xc319, 0x0008);
nes_write_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 0x1, 0xc31a, 0x0098);
nes_write_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 0x3, 0x0026, 0x0E00);
- nes_write_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 0x3, 0x0027, 0x0000);
+ nes_write_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 0x3, 0x0027, 0x0001);
nes_write_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 0x3, 0x0028, 0xA528);
/*
@@ -1759,9 +1800,14 @@
*/
void nes_destroy_nic_qp(struct nes_vnic *nesvnic)
{
+ u64 u64temp;
+ dma_addr_t bus_address;
struct nes_device *nesdev = nesvnic->nesdev;
struct nes_hw_cqp_wqe *cqp_wqe;
+ struct nes_hw_nic_sq_wqe *nic_sqe;
struct nes_hw_nic_rq_wqe *nic_rqe;
+ __le16 *wqe_fragment_length;
+ u16 wqe_fragment_index;
u64 wqe_frag;
u32 cqp_head;
unsigned long flags;
@@ -1770,14 +1816,69 @@
/* Free remaining NIC receive buffers */
while (nesvnic->nic.rq_head != nesvnic->nic.rq_tail) {
nic_rqe = &nesvnic->nic.rq_vbase[nesvnic->nic.rq_tail];
- wqe_frag = (u64)le32_to_cpu(nic_rqe->wqe_words[NES_NIC_RQ_WQE_FRAG0_LOW_IDX]);
- wqe_frag |= ((u64)le32_to_cpu(nic_rqe->wqe_words[NES_NIC_RQ_WQE_FRAG0_HIGH_IDX])) << 32;
+ wqe_frag = (u64)le32_to_cpu(
+ nic_rqe->wqe_words[NES_NIC_RQ_WQE_FRAG0_LOW_IDX]);
+ wqe_frag |= ((u64)le32_to_cpu(
+ nic_rqe->wqe_words[NES_NIC_RQ_WQE_FRAG0_HIGH_IDX]))<<32;
pci_unmap_single(nesdev->pcidev, (dma_addr_t)wqe_frag,
nesvnic->max_frame_size, PCI_DMA_FROMDEVICE);
dev_kfree_skb(nesvnic->nic.rx_skb[nesvnic->nic.rq_tail++]);
nesvnic->nic.rq_tail &= (nesvnic->nic.rq_size - 1);
}
+ /* Free remaining NIC transmit buffers */
+ while (nesvnic->nic.sq_head != nesvnic->nic.sq_tail) {
+ nic_sqe = &nesvnic->nic.sq_vbase[nesvnic->nic.sq_tail];
+ wqe_fragment_index = 1;
+ wqe_fragment_length = (__le16 *)
+ &nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_0_TAG_IDX];
+ /* bump past the vlan tag */
+ wqe_fragment_length++;
+ if (le16_to_cpu(wqe_fragment_length[wqe_fragment_index]) != 0) {
+ u64temp = (u64)le32_to_cpu(
+ nic_sqe->wqe_words[NES_NIC_SQ_WQE_FRAG0_LOW_IDX+
+ wqe_fragment_index*2]);
+ u64temp += ((u64)le32_to_cpu(
+ nic_sqe->wqe_words[NES_NIC_SQ_WQE_FRAG0_HIGH_IDX
+ + wqe_fragment_index*2]))<<32;
+ bus_address = (dma_addr_t)u64temp;
+ if (test_and_clear_bit(nesvnic->nic.sq_tail,
+ nesvnic->nic.first_frag_overflow)) {
+ pci_unmap_single(nesdev->pcidev,
+ bus_address,
+ le16_to_cpu(wqe_fragment_length[
+ wqe_fragment_index++]),
+ PCI_DMA_TODEVICE);
+ }
+ for (; wqe_fragment_index < 5; wqe_fragment_index++) {
+ if (wqe_fragment_length[wqe_fragment_index]) {
+ u64temp = le32_to_cpu(
+ nic_sqe->wqe_words[
+ NES_NIC_SQ_WQE_FRAG0_LOW_IDX+
+ wqe_fragment_index*2]);
+ u64temp += ((u64)le32_to_cpu(
+ nic_sqe->wqe_words[
+ NES_NIC_SQ_WQE_FRAG0_HIGH_IDX+
+ wqe_fragment_index*2]))<<32;
+ bus_address = (dma_addr_t)u64temp;
+ pci_unmap_page(nesdev->pcidev,
+ bus_address,
+ le16_to_cpu(
+ wqe_fragment_length[
+ wqe_fragment_index]),
+ PCI_DMA_TODEVICE);
+ } else
+ break;
+ }
+ }
+ if (nesvnic->nic.tx_skb[nesvnic->nic.sq_tail])
+ dev_kfree_skb(
+ nesvnic->nic.tx_skb[nesvnic->nic.sq_tail]);
+
+ nesvnic->nic.sq_tail = (++nesvnic->nic.sq_tail)
+ & (nesvnic->nic.sq_size - 1);
+ }
+
spin_lock_irqsave(&nesdev->cqp.lock, flags);
/* Destroy NIC QP */
@@ -1894,7 +1995,30 @@
}
}
+static void process_critical_error(struct nes_device *nesdev)
+{
+ u32 debug_error;
+ u32 nes_idx_debug_error_masks0 = 0;
+ u16 error_module = 0;
+ debug_error = nes_read_indexed(nesdev, NES_IDX_DEBUG_ERROR_CONTROL_STATUS);
+ printk(KERN_ERR PFX "Critical Error reported by device!!! 0x%02X\n",
+ (u16)debug_error);
+ nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_CONTROL_STATUS,
+ 0x01010000 | (debug_error & 0x0000ffff));
+ if (crit_err_count++ > 10)
+ nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS1, 1 << 0x17);
+ error_module = (u16) (debug_error & 0x1F00) >> 8;
+ if (++nesdev->nesadapter->crit_error_count[error_module-1] >=
+ nes_max_critical_error_count) {
+ printk(KERN_ERR PFX "Masking off critical error for module "
+ "0x%02X\n", (u16)error_module);
+ nes_idx_debug_error_masks0 = nes_read_indexed(nesdev,
+ NES_IDX_DEBUG_ERROR_MASKS0);
+ nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS0,
+ nes_idx_debug_error_masks0 | (1 << error_module));
+ }
+}
/**
* nes_dpc
*/
@@ -1909,7 +2033,6 @@
u32 timer_stat;
u32 temp_int_stat;
u32 intf_int_stat;
- u32 debug_error;
u32 processed_intf_int = 0;
u16 processed_timer_int = 0;
u16 completion_ints = 0;
@@ -1987,14 +2110,7 @@
intf_int_stat = nes_read32(nesdev->regs+NES_INTF_INT_STAT);
intf_int_stat &= nesdev->intf_int_req;
if (NES_INTF_INT_CRITERR & intf_int_stat) {
- debug_error = nes_read_indexed(nesdev, NES_IDX_DEBUG_ERROR_CONTROL_STATUS);
- printk(KERN_ERR PFX "Critical Error reported by device!!! 0x%02X\n",
- (u16)debug_error);
- nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_CONTROL_STATUS,
- 0x01010000 | (debug_error & 0x0000ffff));
- /* BUG(); */
- if (crit_err_count++ > 10)
- nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS1, 1 << 0x17);
+ process_critical_error(nesdev);
}
if (NES_INTF_INT_PCIERR & intf_int_stat) {
printk(KERN_ERR PFX "PCI Error reported by device!!!\n");
@@ -2258,7 +2374,8 @@
spin_unlock_irqrestore(&nesadapter->phy_lock, flags);
}
/* read the PHY interrupt status register */
- if (nesadapter->OneG_Mode) {
+ if ((nesadapter->OneG_Mode) &&
+ (nesadapter->phy_type[mac_index] != NES_PHY_TYPE_PUMA_1G)) {
do {
nes_read_1G_phy_reg(nesdev, 0x1a,
nesadapter->phy_index[mac_index], &phy_data);
@@ -3077,6 +3194,22 @@
nes_cm_disconn(nesqp);
break;
/* TODO: additional AEs need to be here */
+ case NES_AEQE_AEID_AMP_BOUNDS_VIOLATION:
+ nesqp = *((struct nes_qp **)&context);
+ spin_lock_irqsave(&nesqp->lock, flags);
+ nesqp->hw_iwarp_state = iwarp_state;
+ nesqp->hw_tcp_state = tcp_state;
+ nesqp->last_aeq = async_event_id;
+ spin_unlock_irqrestore(&nesqp->lock, flags);
+ if (nesqp->ibqp.event_handler) {
+ ibevent.device = nesqp->ibqp.device;
+ ibevent.element.qp = &nesqp->ibqp;
+ ibevent.event = IB_EVENT_QP_ACCESS_ERR;
+ nesqp->ibqp.event_handler(&ibevent,
+ nesqp->ibqp.qp_context);
+ }
+ nes_cm_disconn(nesqp);
+ break;
default:
nes_debug(NES_DBG_AEQ, "Processing an iWARP related AE for QP, misc = 0x%04X\n",
async_event_id);
diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h
index 7b81e0a..610b9d8 100644
--- a/drivers/infiniband/hw/nes/nes_hw.h
+++ b/drivers/infiniband/hw/nes/nes_hw.h
@@ -156,6 +156,7 @@
NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_HI = 0x7004,
NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_LO = 0x7008,
NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_HI = 0x700c,
+ NES_IDX_WQM_CONFIG1 = 0x5004,
NES_IDX_CM_CONFIG = 0x5100,
NES_IDX_NIC_LOGPORT_TO_PHYPORT = 0x6000,
NES_IDX_NIC_PHYPORT_TO_USW = 0x6008,
@@ -967,6 +968,7 @@
#define DEFAULT_JUMBO_NES_QL_TARGET 40
#define DEFAULT_JUMBO_NES_QL_HIGH 128
#define NES_NIC_CQ_DOWNWARD_TREND 16
+#define NES_PFT_SIZE 48
struct nes_hw_tune_timer {
/* u16 cq_count; */
@@ -1079,6 +1081,7 @@
u32 et_rx_max_coalesced_frames_high;
u32 et_rate_sample_interval;
u32 timer_int_limit;
+ u32 wqm_quanta;
/* Adapter base MAC address */
u32 mac_addr_low;
@@ -1094,12 +1097,14 @@
u16 pd_config_base[4];
u16 link_interrupt_count[4];
+ u8 crit_error_count[32];
/* the phy index for each port */
u8 phy_index[4];
u8 mac_sw_state[4];
u8 mac_link_down[4];
u8 phy_type[4];
+ u8 log_port;
/* PCI information */
unsigned int devfn;
@@ -1113,6 +1118,7 @@
u8 virtwq;
u8 et_use_adaptive_rx_coalesce;
u8 adapter_fcn_count;
+ u8 pft_mcast_map[NES_PFT_SIZE];
};
struct nes_pbl {
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
index 1b0938c..7303586 100644
--- a/drivers/infiniband/hw/nes/nes_nic.c
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -91,6 +91,7 @@
static const u32 default_msg = NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
| NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
static int debug = -1;
+static int nics_per_function = 1;
/**
* nes_netdev_poll
@@ -201,7 +202,8 @@
nes_debug(NES_DBG_NETDEV, "i=%d, perfect filter table index= %d, PERF FILTER LOW"
" (Addr:%08X) = %08X, HIGH = %08X.\n",
i, nesvnic->qp_nic_index[i],
- NES_IDX_PERFECT_FILTER_LOW+((nesvnic->perfect_filter_index + i) * 8),
+ NES_IDX_PERFECT_FILTER_LOW+
+ (nesvnic->qp_nic_index[i] * 8),
macaddr_low,
(u32)macaddr_high | NES_MAC_ADDR_VALID |
((((u32)nesvnic->nic_index) << 16)));
@@ -272,14 +274,18 @@
break;
}
- if (first_nesvnic->netdev_open == 0)
+ if ((first_nesvnic->netdev_open == 1) && (first_nesvnic != nesvnic) &&
+ (PCI_FUNC(first_nesvnic->nesdev->pcidev->devfn) !=
+ PCI_FUNC(nesvnic->nesdev->pcidev->devfn))) {
+ nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+
+ (0x200*nesdev->mac_index), 0xffffffff);
+ nes_write_indexed(first_nesvnic->nesdev,
+ NES_IDX_MAC_INT_MASK+
+ (0x200*first_nesvnic->nesdev->mac_index),
+ ~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT |
+ NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR));
+ } else {
nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+(0x200*nesdev->mac_index), 0xffffffff);
- else if ((first_nesvnic != nesvnic) &&
- (PCI_FUNC(first_nesvnic->nesdev->pcidev->devfn) != PCI_FUNC(nesvnic->nesdev->pcidev->devfn))) {
- nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK + (0x200 * nesdev->mac_index), 0xffffffff);
- nes_write_indexed(first_nesvnic->nesdev, NES_IDX_MAC_INT_MASK + (0x200 * first_nesvnic->nesdev->mac_index),
- ~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT |
- NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR));
}
nic_active_mask = ~((u32)(1 << nesvnic->nic_index));
@@ -437,7 +443,7 @@
struct nes_hw_nic_sq_wqe *nic_sqe;
struct tcphdr *tcph;
/* struct udphdr *udph; */
-#define NES_MAX_TSO_FRAGS 18
+#define NES_MAX_TSO_FRAGS MAX_SKB_FRAGS
/* 64K segment plus overflow on each side */
dma_addr_t tso_bus_address[NES_MAX_TSO_FRAGS];
dma_addr_t bus_address;
@@ -605,6 +611,8 @@
wqe_fragment_length[wqe_fragment_index] = 0;
set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG1_LOW_IDX,
bus_address);
+ tso_wqe_length += skb_headlen(skb) -
+ original_first_length;
}
while (wqe_fragment_index < 5) {
wqe_fragment_length[wqe_fragment_index] =
@@ -827,6 +835,7 @@
{
struct nes_vnic *nesvnic = netdev_priv(netdev);
struct nes_device *nesdev = nesvnic->nesdev;
+ struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter;
struct dev_mc_list *multicast_addr;
u32 nic_active_bit;
u32 nic_active;
@@ -836,7 +845,12 @@
u8 mc_all_on = 0;
u8 mc_index;
int mc_nic_index = -1;
+ u8 pft_entries_preallocated = max(nesadapter->adapter_fcn_count *
+ nics_per_function, 4);
+ u8 max_pft_entries_avaiable = NES_PFT_SIZE - pft_entries_preallocated;
+ unsigned long flags;
+ spin_lock_irqsave(&nesadapter->resource_lock, flags);
nic_active_bit = 1 << nesvnic->nic_index;
if (netdev->flags & IFF_PROMISC) {
@@ -847,7 +861,7 @@
nic_active |= nic_active_bit;
nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
mc_all_on = 1;
- } else if ((netdev->flags & IFF_ALLMULTI) || (netdev->mc_count > NES_MULTICAST_PF_MAX) ||
+ } else if ((netdev->flags & IFF_ALLMULTI) ||
(nesvnic->nic_index > 3)) {
nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL);
nic_active |= nic_active_bit;
@@ -866,17 +880,34 @@
}
nes_debug(NES_DBG_NIC_RX, "Number of MC entries = %d, Promiscous = %d, All Multicast = %d.\n",
- netdev->mc_count, (netdev->flags & IFF_PROMISC)?1:0,
- (netdev->flags & IFF_ALLMULTI)?1:0);
+ netdev->mc_count, !!(netdev->flags & IFF_PROMISC),
+ !!(netdev->flags & IFF_ALLMULTI));
if (!mc_all_on) {
multicast_addr = netdev->mc_list;
- perfect_filter_register_address = NES_IDX_PERFECT_FILTER_LOW + 0x80;
- perfect_filter_register_address += nesvnic->nic_index*0x40;
- for (mc_index=0; mc_index < NES_MULTICAST_PF_MAX; mc_index++) {
- while (multicast_addr && nesvnic->mcrq_mcast_filter && ((mc_nic_index = nesvnic->mcrq_mcast_filter(nesvnic, multicast_addr->dmi_addr)) == 0))
+ perfect_filter_register_address = NES_IDX_PERFECT_FILTER_LOW +
+ pft_entries_preallocated * 0x8;
+ for (mc_index = 0; mc_index < max_pft_entries_avaiable;
+ mc_index++) {
+ while (multicast_addr && nesvnic->mcrq_mcast_filter &&
+ ((mc_nic_index = nesvnic->mcrq_mcast_filter(nesvnic,
+ multicast_addr->dmi_addr)) == 0)) {
multicast_addr = multicast_addr->next;
+ }
if (mc_nic_index < 0)
mc_nic_index = nesvnic->nic_index;
+ while (nesadapter->pft_mcast_map[mc_index] < 16 &&
+ nesadapter->pft_mcast_map[mc_index] !=
+ nesvnic->nic_index &&
+ mc_index < max_pft_entries_avaiable) {
+ nes_debug(NES_DBG_NIC_RX,
+ "mc_index=%d skipping nic_index=%d,\
+ used for=%d \n", mc_index,
+ nesvnic->nic_index,
+ nesadapter->pft_mcast_map[mc_index]);
+ mc_index++;
+ }
+ if (mc_index >= max_pft_entries_avaiable)
+ break;
if (multicast_addr) {
DECLARE_MAC_BUF(mac);
nes_debug(NES_DBG_NIC_RX, "Assigning MC Address %s to register 0x%04X nic_idx=%d\n",
@@ -897,15 +928,33 @@
(u32)macaddr_high | NES_MAC_ADDR_VALID |
((((u32)(1<<mc_nic_index)) << 16)));
multicast_addr = multicast_addr->next;
+ nesadapter->pft_mcast_map[mc_index] =
+ nesvnic->nic_index;
} else {
nes_debug(NES_DBG_NIC_RX, "Clearing MC Address at register 0x%04X\n",
perfect_filter_register_address+(mc_index * 8));
nes_write_indexed(nesdev,
perfect_filter_register_address+4+(mc_index * 8),
0);
+ nesadapter->pft_mcast_map[mc_index] = 255;
}
}
+ /* PFT is not large enough */
+ if (multicast_addr && multicast_addr->next) {
+ nic_active = nes_read_indexed(nesdev,
+ NES_IDX_NIC_MULTICAST_ALL);
+ nic_active |= nic_active_bit;
+ nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL,
+ nic_active);
+ nic_active = nes_read_indexed(nesdev,
+ NES_IDX_NIC_UNICAST_ALL);
+ nic_active &= ~nic_active_bit;
+ nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL,
+ nic_active);
+ }
}
+
+ spin_unlock_irqrestore(&nesadapter->resource_lock, flags);
}
@@ -918,6 +967,10 @@
struct nes_device *nesdev = nesvnic->nesdev;
int ret = 0;
u8 jumbomode = 0;
+ u32 nic_active;
+ u32 nic_active_bit;
+ u32 uc_all_active;
+ u32 mc_all_active;
if ((new_mtu < ETH_ZLEN) || (new_mtu > max_mtu))
return -EINVAL;
@@ -931,8 +984,24 @@
nes_nic_init_timer_defaults(nesdev, jumbomode);
if (netif_running(netdev)) {
+ nic_active_bit = 1 << nesvnic->nic_index;
+ mc_all_active = nes_read_indexed(nesdev,
+ NES_IDX_NIC_MULTICAST_ALL) & nic_active_bit;
+ uc_all_active = nes_read_indexed(nesdev,
+ NES_IDX_NIC_UNICAST_ALL) & nic_active_bit;
+
nes_netdev_stop(netdev);
nes_netdev_open(netdev);
+
+ nic_active = nes_read_indexed(nesdev,
+ NES_IDX_NIC_MULTICAST_ALL);
+ nic_active |= mc_all_active;
+ nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL,
+ nic_active);
+
+ nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
+ nic_active |= uc_all_active;
+ nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
}
return ret;
@@ -1208,10 +1277,12 @@
struct ethtool_drvinfo *drvinfo)
{
struct nes_vnic *nesvnic = netdev_priv(netdev);
+ struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter;
strcpy(drvinfo->driver, DRV_NAME);
strcpy(drvinfo->bus_info, pci_name(nesvnic->nesdev->pcidev));
- strcpy(drvinfo->fw_version, "TBD");
+ sprintf(drvinfo->fw_version, "%u.%u", nesadapter->firmware_version>>16,
+ nesadapter->firmware_version & 0x000000ff);
strcpy(drvinfo->version, DRV_VERSION);
drvinfo->n_stats = nes_netdev_get_stats_count(netdev);
drvinfo->testinfo_len = 0;
@@ -1587,7 +1658,9 @@
nesvnic, (unsigned long)netdev->features, nesvnic->nic.qp_id,
nesvnic->nic_index, nesvnic->logical_port, nesdev->mac_index);
- if (nesvnic->nesdev->nesadapter->port_count == 1) {
+ if (nesvnic->nesdev->nesadapter->port_count == 1 &&
+ nesvnic->nesdev->nesadapter->adapter_fcn_count == 1) {
+
nesvnic->qp_nic_index[0] = nesvnic->nic_index;
nesvnic->qp_nic_index[1] = nesvnic->nic_index + 1;
if (nes_drv_opt & NES_DRV_OPT_DUAL_LOGICAL_PORT) {
@@ -1598,11 +1671,14 @@
nesvnic->qp_nic_index[3] = nesvnic->nic_index + 3;
}
} else {
- if (nesvnic->nesdev->nesadapter->port_count == 2) {
- nesvnic->qp_nic_index[0] = nesvnic->nic_index;
- nesvnic->qp_nic_index[1] = nesvnic->nic_index + 2;
- nesvnic->qp_nic_index[2] = 0xf;
- nesvnic->qp_nic_index[3] = 0xf;
+ if (nesvnic->nesdev->nesadapter->port_count == 2 ||
+ (nesvnic->nesdev->nesadapter->port_count == 1 &&
+ nesvnic->nesdev->nesadapter->adapter_fcn_count == 2)) {
+ nesvnic->qp_nic_index[0] = nesvnic->nic_index;
+ nesvnic->qp_nic_index[1] = nesvnic->nic_index
+ + 2;
+ nesvnic->qp_nic_index[2] = 0xf;
+ nesvnic->qp_nic_index[3] = 0xf;
} else {
nesvnic->qp_nic_index[0] = nesvnic->nic_index;
nesvnic->qp_nic_index[1] = 0xf;
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index d79942e..932e56f 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -1467,7 +1467,6 @@
default:
nes_debug(NES_DBG_QP, "Invalid QP type: %d\n", init_attr->qp_type);
return ERR_PTR(-EINVAL);
- break;
}
/* update the QP table */
@@ -2498,7 +2497,6 @@
nes_debug(NES_DBG_MR, "Leaving, ibmr=%p", ibmr);
return ibmr;
- break;
case IWNES_MEMREG_TYPE_QP:
case IWNES_MEMREG_TYPE_CQ:
nespbl = kzalloc(sizeof(*nespbl), GFP_KERNEL);
@@ -2572,7 +2570,6 @@
nesmr->ibmr.lkey = -1;
nesmr->mode = req.reg_type;
return &nesmr->ibmr;
- break;
}
return ERR_PTR(-ENOSYS);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index 05eb41b..68ba5c3 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -268,10 +268,9 @@
};
/*
- * Device private locking: tx_lock protects members used in TX fast
- * path (and we use LLTX so upper layers don't do extra locking).
- * lock protects everything else. lock nests inside of tx_lock (ie
- * tx_lock must be acquired first if needed).
+ * Device private locking: network stack tx_lock protects members used
+ * in TX fast path, lock protects everything else. lock nests inside
+ * of tx_lock (ie tx_lock must be acquired first if needed).
*/
struct ipoib_dev_priv {
spinlock_t lock;
@@ -320,7 +319,6 @@
struct ipoib_rx_buf *rx_ring;
- spinlock_t tx_lock;
struct ipoib_tx_buf *tx_ring;
unsigned tx_head;
unsigned tx_tail;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 341ffed..7b14c2c 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -786,7 +786,8 @@
dev_kfree_skb_any(tx_req->skb);
- spin_lock_irqsave(&priv->tx_lock, flags);
+ netif_tx_lock(dev);
+
++tx->tx_tail;
if (unlikely(--priv->tx_outstanding == ipoib_sendq_size >> 1) &&
netif_queue_stopped(dev) &&
@@ -801,7 +802,7 @@
"(status=%d, wrid=%d vend_err %x)\n",
wc->status, wr_id, wc->vendor_err);
- spin_lock(&priv->lock);
+ spin_lock_irqsave(&priv->lock, flags);
neigh = tx->neigh;
if (neigh) {
@@ -821,10 +822,10 @@
clear_bit(IPOIB_FLAG_OPER_UP, &tx->flags);
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
}
- spin_unlock_irqrestore(&priv->tx_lock, flags);
+ netif_tx_unlock(dev);
}
int ipoib_cm_dev_open(struct net_device *dev)
@@ -1149,7 +1150,6 @@
{
struct ipoib_dev_priv *priv = netdev_priv(p->dev);
struct ipoib_cm_tx_buf *tx_req;
- unsigned long flags;
unsigned long begin;
ipoib_dbg(priv, "Destroy active connection 0x%x head 0x%x tail 0x%x\n",
@@ -1180,12 +1180,12 @@
DMA_TO_DEVICE);
dev_kfree_skb_any(tx_req->skb);
++p->tx_tail;
- spin_lock_irqsave(&priv->tx_lock, flags);
+ netif_tx_lock_bh(p->dev);
if (unlikely(--priv->tx_outstanding == ipoib_sendq_size >> 1) &&
netif_queue_stopped(p->dev) &&
test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags))
netif_wake_queue(p->dev);
- spin_unlock_irqrestore(&priv->tx_lock, flags);
+ netif_tx_unlock_bh(p->dev);
}
if (p->qp)
@@ -1202,6 +1202,7 @@
struct ipoib_dev_priv *priv = netdev_priv(tx->dev);
struct net_device *dev = priv->dev;
struct ipoib_neigh *neigh;
+ unsigned long flags;
int ret;
switch (event->event) {
@@ -1220,8 +1221,8 @@
case IB_CM_REJ_RECEIVED:
case IB_CM_TIMEWAIT_EXIT:
ipoib_dbg(priv, "CM error %d.\n", event->event);
- spin_lock_irq(&priv->tx_lock);
- spin_lock(&priv->lock);
+ netif_tx_lock_bh(dev);
+ spin_lock_irqsave(&priv->lock, flags);
neigh = tx->neigh;
if (neigh) {
@@ -1239,8 +1240,8 @@
queue_work(ipoib_workqueue, &priv->cm.reap_task);
}
- spin_unlock(&priv->lock);
- spin_unlock_irq(&priv->tx_lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
+ netif_tx_unlock_bh(dev);
break;
default:
break;
@@ -1294,19 +1295,24 @@
struct ib_sa_path_rec pathrec;
u32 qpn;
- spin_lock_irqsave(&priv->tx_lock, flags);
- spin_lock(&priv->lock);
+ netif_tx_lock_bh(dev);
+ spin_lock_irqsave(&priv->lock, flags);
+
while (!list_empty(&priv->cm.start_list)) {
p = list_entry(priv->cm.start_list.next, typeof(*p), list);
list_del_init(&p->list);
neigh = p->neigh;
qpn = IPOIB_QPN(neigh->neighbour->ha);
memcpy(&pathrec, &p->path->pathrec, sizeof pathrec);
- spin_unlock(&priv->lock);
- spin_unlock_irqrestore(&priv->tx_lock, flags);
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+ netif_tx_unlock_bh(dev);
+
ret = ipoib_cm_tx_init(p, qpn, &pathrec);
- spin_lock_irqsave(&priv->tx_lock, flags);
- spin_lock(&priv->lock);
+
+ netif_tx_lock_bh(dev);
+ spin_lock_irqsave(&priv->lock, flags);
+
if (ret) {
neigh = p->neigh;
if (neigh) {
@@ -1320,44 +1326,52 @@
kfree(p);
}
}
- spin_unlock(&priv->lock);
- spin_unlock_irqrestore(&priv->tx_lock, flags);
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+ netif_tx_unlock_bh(dev);
}
static void ipoib_cm_tx_reap(struct work_struct *work)
{
struct ipoib_dev_priv *priv = container_of(work, struct ipoib_dev_priv,
cm.reap_task);
+ struct net_device *dev = priv->dev;
struct ipoib_cm_tx *p;
+ unsigned long flags;
- spin_lock_irq(&priv->tx_lock);
- spin_lock(&priv->lock);
+ netif_tx_lock_bh(dev);
+ spin_lock_irqsave(&priv->lock, flags);
+
while (!list_empty(&priv->cm.reap_list)) {
p = list_entry(priv->cm.reap_list.next, typeof(*p), list);
list_del(&p->list);
- spin_unlock(&priv->lock);
- spin_unlock_irq(&priv->tx_lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
+ netif_tx_unlock_bh(dev);
ipoib_cm_tx_destroy(p);
- spin_lock_irq(&priv->tx_lock);
- spin_lock(&priv->lock);
+ netif_tx_lock_bh(dev);
+ spin_lock_irqsave(&priv->lock, flags);
}
- spin_unlock(&priv->lock);
- spin_unlock_irq(&priv->tx_lock);
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+ netif_tx_unlock_bh(dev);
}
static void ipoib_cm_skb_reap(struct work_struct *work)
{
struct ipoib_dev_priv *priv = container_of(work, struct ipoib_dev_priv,
cm.skb_task);
+ struct net_device *dev = priv->dev;
struct sk_buff *skb;
-
+ unsigned long flags;
unsigned mtu = priv->mcast_mtu;
- spin_lock_irq(&priv->tx_lock);
- spin_lock(&priv->lock);
+ netif_tx_lock_bh(dev);
+ spin_lock_irqsave(&priv->lock, flags);
+
while ((skb = skb_dequeue(&priv->cm.skb_queue))) {
- spin_unlock(&priv->lock);
- spin_unlock_irq(&priv->tx_lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
+ netif_tx_unlock_bh(dev);
+
if (skb->protocol == htons(ETH_P_IP))
icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
@@ -1365,11 +1379,13 @@
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, priv->dev);
#endif
dev_kfree_skb_any(skb);
- spin_lock_irq(&priv->tx_lock);
- spin_lock(&priv->lock);
+
+ netif_tx_lock_bh(dev);
+ spin_lock_irqsave(&priv->lock, flags);
}
- spin_unlock(&priv->lock);
- spin_unlock_irq(&priv->tx_lock);
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+ netif_tx_unlock_bh(dev);
}
void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb,
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 66cafa2..0e748ae 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -468,21 +468,22 @@
static void drain_tx_cq(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
- unsigned long flags;
- spin_lock_irqsave(&priv->tx_lock, flags);
+ netif_tx_lock(dev);
while (poll_tx(priv))
; /* nothing */
if (netif_queue_stopped(dev))
mod_timer(&priv->poll_timer, jiffies + 1);
- spin_unlock_irqrestore(&priv->tx_lock, flags);
+ netif_tx_unlock(dev);
}
void ipoib_send_comp_handler(struct ib_cq *cq, void *dev_ptr)
{
- drain_tx_cq((struct net_device *)dev_ptr);
+ struct ipoib_dev_priv *priv = netdev_priv(dev_ptr);
+
+ mod_timer(&priv->poll_timer, jiffies);
}
static inline int post_send(struct ipoib_dev_priv *priv,
@@ -614,17 +615,20 @@
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_ah *ah, *tah;
LIST_HEAD(remove_list);
+ unsigned long flags;
- spin_lock_irq(&priv->tx_lock);
- spin_lock(&priv->lock);
+ netif_tx_lock_bh(dev);
+ spin_lock_irqsave(&priv->lock, flags);
+
list_for_each_entry_safe(ah, tah, &priv->dead_ahs, list)
if ((int) priv->tx_tail - (int) ah->last_send >= 0) {
list_del(&ah->list);
ib_destroy_ah(ah->ah);
kfree(ah);
}
- spin_unlock(&priv->lock);
- spin_unlock_irq(&priv->tx_lock);
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+ netif_tx_unlock_bh(dev);
}
void ipoib_reap_ah(struct work_struct *work)
@@ -761,6 +765,14 @@
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
int i, n;
+
+ /*
+ * We call completion handling routines that expect to be
+ * called from the BH-disabled NAPI poll context, so disable
+ * BHs here too.
+ */
+ local_bh_disable();
+
do {
n = ib_poll_cq(priv->recv_cq, IPOIB_NUM_WC, priv->ibwc);
for (i = 0; i < n; ++i) {
@@ -784,6 +796,8 @@
while (poll_tx(priv))
; /* nothing */
+
+ local_bh_enable();
}
int ipoib_ib_dev_stop(struct net_device *dev, int flush)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 1b1df5c..c0ee514 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -373,9 +373,10 @@
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_path *path, *tp;
LIST_HEAD(remove_list);
+ unsigned long flags;
- spin_lock_irq(&priv->tx_lock);
- spin_lock(&priv->lock);
+ netif_tx_lock_bh(dev);
+ spin_lock_irqsave(&priv->lock, flags);
list_splice_init(&priv->path_list, &remove_list);
@@ -385,15 +386,16 @@
list_for_each_entry_safe(path, tp, &remove_list, list) {
if (path->query)
ib_sa_cancel_query(path->query_id, path->query);
- spin_unlock(&priv->lock);
- spin_unlock_irq(&priv->tx_lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
+ netif_tx_unlock_bh(dev);
wait_for_completion(&path->done);
path_free(dev, path);
- spin_lock_irq(&priv->tx_lock);
- spin_lock(&priv->lock);
+ netif_tx_lock_bh(dev);
+ spin_lock_irqsave(&priv->lock, flags);
}
- spin_unlock(&priv->lock);
- spin_unlock_irq(&priv->tx_lock);
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+ netif_tx_unlock_bh(dev);
}
static void path_rec_completion(int status,
@@ -404,7 +406,7 @@
struct net_device *dev = path->dev;
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_ah *ah = NULL;
- struct ipoib_ah *old_ah;
+ struct ipoib_ah *old_ah = NULL;
struct ipoib_neigh *neigh, *tn;
struct sk_buff_head skqueue;
struct sk_buff *skb;
@@ -428,12 +430,12 @@
spin_lock_irqsave(&priv->lock, flags);
- old_ah = path->ah;
- path->ah = ah;
-
if (ah) {
path->pathrec = *pathrec;
+ old_ah = path->ah;
+ path->ah = ah;
+
ipoib_dbg(priv, "created address handle %p for LID 0x%04x, SL %d\n",
ah, be16_to_cpu(pathrec->dlid), pathrec->sl);
@@ -555,6 +557,7 @@
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_path *path;
struct ipoib_neigh *neigh;
+ unsigned long flags;
neigh = ipoib_neigh_alloc(skb->dst->neighbour, skb->dev);
if (!neigh) {
@@ -563,11 +566,7 @@
return;
}
- /*
- * We can only be called from ipoib_start_xmit, so we're
- * inside tx_lock -- no need to save/restore flags.
- */
- spin_lock(&priv->lock);
+ spin_lock_irqsave(&priv->lock, flags);
path = __path_find(dev, skb->dst->neighbour->ha + 4);
if (!path) {
@@ -614,7 +613,7 @@
__skb_queue_tail(&neigh->queue, skb);
}
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
return;
err_list:
@@ -626,7 +625,7 @@
++dev->stats.tx_dropped;
dev_kfree_skb_any(skb);
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
}
static void ipoib_path_lookup(struct sk_buff *skb, struct net_device *dev)
@@ -650,12 +649,9 @@
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_path *path;
+ unsigned long flags;
- /*
- * We can only be called from ipoib_start_xmit, so we're
- * inside tx_lock -- no need to save/restore flags.
- */
- spin_lock(&priv->lock);
+ spin_lock_irqsave(&priv->lock, flags);
path = __path_find(dev, phdr->hwaddr + 4);
if (!path || !path->valid) {
@@ -667,7 +663,7 @@
__skb_queue_tail(&path->queue, skb);
if (path_rec_start(dev, path)) {
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
path_free(dev, path);
return;
} else
@@ -677,7 +673,7 @@
dev_kfree_skb_any(skb);
}
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
return;
}
@@ -696,7 +692,7 @@
dev_kfree_skb_any(skb);
}
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
}
static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -705,13 +701,10 @@
struct ipoib_neigh *neigh;
unsigned long flags;
- if (unlikely(!spin_trylock_irqsave(&priv->tx_lock, flags)))
- return NETDEV_TX_LOCKED;
-
if (likely(skb->dst && skb->dst->neighbour)) {
if (unlikely(!*to_ipoib_neigh(skb->dst->neighbour))) {
ipoib_path_lookup(skb, dev);
- goto out;
+ return NETDEV_TX_OK;
}
neigh = *to_ipoib_neigh(skb->dst->neighbour);
@@ -721,7 +714,7 @@
skb->dst->neighbour->ha + 4,
sizeof(union ib_gid))) ||
(neigh->dev != dev))) {
- spin_lock(&priv->lock);
+ spin_lock_irqsave(&priv->lock, flags);
/*
* It's safe to call ipoib_put_ah() inside
* priv->lock here, because we know that
@@ -732,25 +725,25 @@
ipoib_put_ah(neigh->ah);
list_del(&neigh->list);
ipoib_neigh_free(dev, neigh);
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
ipoib_path_lookup(skb, dev);
- goto out;
+ return NETDEV_TX_OK;
}
if (ipoib_cm_get(neigh)) {
if (ipoib_cm_up(neigh)) {
ipoib_cm_send(dev, skb, ipoib_cm_get(neigh));
- goto out;
+ return NETDEV_TX_OK;
}
} else if (neigh->ah) {
ipoib_send(dev, skb, neigh->ah, IPOIB_QPN(skb->dst->neighbour->ha));
- goto out;
+ return NETDEV_TX_OK;
}
if (skb_queue_len(&neigh->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
- spin_lock(&priv->lock);
+ spin_lock_irqsave(&priv->lock, flags);
__skb_queue_tail(&neigh->queue, skb);
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
} else {
++dev->stats.tx_dropped;
dev_kfree_skb_any(skb);
@@ -779,16 +772,13 @@
IPOIB_GID_RAW_ARG(phdr->hwaddr + 4));
dev_kfree_skb_any(skb);
++dev->stats.tx_dropped;
- goto out;
+ return NETDEV_TX_OK;
}
unicast_arp_send(skb, dev, phdr);
}
}
-out:
- spin_unlock_irqrestore(&priv->tx_lock, flags);
-
return NETDEV_TX_OK;
}
@@ -1052,7 +1042,6 @@
dev->type = ARPHRD_INFINIBAND;
dev->tx_queue_len = ipoib_sendq_size * 2;
dev->features = (NETIF_F_VLAN_CHALLENGED |
- NETIF_F_LLTX |
NETIF_F_HIGHDMA);
memcpy(dev->broadcast, ipv4_bcast_addr, INFINIBAND_ALEN);
@@ -1064,7 +1053,6 @@
ipoib_lro_setup(priv);
spin_lock_init(&priv->lock);
- spin_lock_init(&priv->tx_lock);
mutex_init(&priv->vlan_mutex);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index aae2862..d9d1223 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -69,14 +69,13 @@
struct net_device *dev = mcast->dev;
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_neigh *neigh, *tmp;
- unsigned long flags;
int tx_dropped = 0;
ipoib_dbg_mcast(netdev_priv(dev),
"deleting multicast group " IPOIB_GID_FMT "\n",
IPOIB_GID_ARG(mcast->mcmember.mgid));
- spin_lock_irqsave(&priv->lock, flags);
+ spin_lock_irq(&priv->lock);
list_for_each_entry_safe(neigh, tmp, &mcast->neigh_list, list) {
/*
@@ -90,7 +89,7 @@
ipoib_neigh_free(dev, neigh);
}
- spin_unlock_irqrestore(&priv->lock, flags);
+ spin_unlock_irq(&priv->lock);
if (mcast->ah)
ipoib_put_ah(mcast->ah);
@@ -100,9 +99,9 @@
dev_kfree_skb_any(skb_dequeue(&mcast->pkt_queue));
}
- spin_lock_irqsave(&priv->tx_lock, flags);
+ netif_tx_lock_bh(dev);
dev->stats.tx_dropped += tx_dropped;
- spin_unlock_irqrestore(&priv->tx_lock, flags);
+ netif_tx_unlock_bh(dev);
kfree(mcast);
}
@@ -259,10 +258,10 @@
}
/* actually send any queued packets */
- spin_lock_irq(&priv->tx_lock);
+ netif_tx_lock_bh(dev);
while (!skb_queue_empty(&mcast->pkt_queue)) {
struct sk_buff *skb = skb_dequeue(&mcast->pkt_queue);
- spin_unlock_irq(&priv->tx_lock);
+ netif_tx_unlock_bh(dev);
skb->dev = dev;
@@ -273,9 +272,9 @@
if (dev_queue_xmit(skb))
ipoib_warn(priv, "dev_queue_xmit failed to requeue packet\n");
- spin_lock_irq(&priv->tx_lock);
+ netif_tx_lock_bh(dev);
}
- spin_unlock_irq(&priv->tx_lock);
+ netif_tx_unlock_bh(dev);
return 0;
}
@@ -286,7 +285,6 @@
{
struct ipoib_mcast *mcast = multicast->context;
struct net_device *dev = mcast->dev;
- struct ipoib_dev_priv *priv = netdev_priv(dev);
/* We trap for port events ourselves. */
if (status == -ENETRESET)
@@ -302,12 +300,12 @@
IPOIB_GID_ARG(mcast->mcmember.mgid), status);
/* Flush out any queued packets */
- spin_lock_irq(&priv->tx_lock);
+ netif_tx_lock_bh(dev);
while (!skb_queue_empty(&mcast->pkt_queue)) {
++dev->stats.tx_dropped;
dev_kfree_skb_any(skb_dequeue(&mcast->pkt_queue));
}
- spin_unlock_irq(&priv->tx_lock);
+ netif_tx_unlock_bh(dev);
/* Clear the busy flag so we try again */
status = test_and_clear_bit(IPOIB_MCAST_FLAG_BUSY,
@@ -662,12 +660,9 @@
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_mcast *mcast;
+ unsigned long flags;
- /*
- * We can only be called from ipoib_start_xmit, so we're
- * inside tx_lock -- no need to save/restore flags.
- */
- spin_lock(&priv->lock);
+ spin_lock_irqsave(&priv->lock, flags);
if (!test_bit(IPOIB_FLAG_OPER_UP, &priv->flags) ||
!priv->broadcast ||
@@ -738,7 +733,7 @@
}
unlock:
- spin_unlock(&priv->lock);
+ spin_unlock_irqrestore(&priv->lock, flags);
}
void ipoib_mcast_dev_flush(struct net_device *dev)
