diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx4/mcg.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mcg.c | 82 |
1 files changed, 46 insertions, 36 deletions
diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c index 5e4ec9786081..33f525b744f2 100644 --- a/drivers/infiniband/hw/mlx4/mcg.c +++ b/drivers/infiniband/hw/mlx4/mcg.c @@ -988,53 +988,63 @@ int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, } static ssize_t sysfs_show_group(struct device *dev, - struct device_attribute *attr, char *buf) + struct device_attribute *attr, char *buf) { struct mcast_group *group = container_of(attr, struct mcast_group, dentry); struct mcast_req *req = NULL; - char pending_str[40]; char state_str[40]; - ssize_t len = 0; - int f; + char pending_str[40]; + int len; + int i; + u32 hoplimit; if (group->state == MCAST_IDLE) - sprintf(state_str, "%s", get_state_string(group->state)); + scnprintf(state_str, sizeof(state_str), "%s", + get_state_string(group->state)); else - sprintf(state_str, "%s(TID=0x%llx)", - get_state_string(group->state), - be64_to_cpu(group->last_req_tid)); + scnprintf(state_str, sizeof(state_str), "%s(TID=0x%llx)", + get_state_string(group->state), + be64_to_cpu(group->last_req_tid)); + if (list_empty(&group->pending_list)) { - sprintf(pending_str, "No"); + scnprintf(pending_str, sizeof(pending_str), "No"); } else { - req = list_first_entry(&group->pending_list, struct mcast_req, group_list); - sprintf(pending_str, "Yes(TID=0x%llx)", - be64_to_cpu(req->sa_mad.mad_hdr.tid)); + req = list_first_entry(&group->pending_list, struct mcast_req, + group_list); + scnprintf(pending_str, sizeof(pending_str), "Yes(TID=0x%llx)", + be64_to_cpu(req->sa_mad.mad_hdr.tid)); } - len += sprintf(buf + len, "%1d [%02d,%02d,%02d] %4d %4s %5s ", - group->rec.scope_join_state & 0xf, - group->members[2], group->members[1], group->members[0], - atomic_read(&group->refcount), - pending_str, - state_str); - for (f = 0; f < MAX_VFS; ++f) - if (group->func[f].state == MCAST_MEMBER) - len += sprintf(buf + len, "%d[%1x] ", - f, group->func[f].join_state); - - len += sprintf(buf + len, "\t\t(%4hx %4x %2x %2x %2x %2x %2x " - "%4x %4x %2x %2x)\n", - be16_to_cpu(group->rec.pkey), - be32_to_cpu(group->rec.qkey), - (group->rec.mtusel_mtu & 0xc0) >> 6, - group->rec.mtusel_mtu & 0x3f, - group->rec.tclass, - (group->rec.ratesel_rate & 0xc0) >> 6, - group->rec.ratesel_rate & 0x3f, - (be32_to_cpu(group->rec.sl_flowlabel_hoplimit) & 0xf0000000) >> 28, - (be32_to_cpu(group->rec.sl_flowlabel_hoplimit) & 0x0fffff00) >> 8, - be32_to_cpu(group->rec.sl_flowlabel_hoplimit) & 0x000000ff, - group->rec.proxy_join); + + len = sysfs_emit(buf, "%1d [%02d,%02d,%02d] %4d %4s %5s ", + group->rec.scope_join_state & 0xf, + group->members[2], + group->members[1], + group->members[0], + atomic_read(&group->refcount), + pending_str, + state_str); + + for (i = 0; i < MAX_VFS; i++) { + if (group->func[i].state == MCAST_MEMBER) + len += sysfs_emit_at(buf, len, "%d[%1x] ", i, + group->func[i].join_state); + } + + hoplimit = be32_to_cpu(group->rec.sl_flowlabel_hoplimit); + len += sysfs_emit_at(buf, len, + "\t\t(%4hx %4x %2x %2x %2x %2x %2x %4x %4x %2x %2x)\n", + be16_to_cpu(group->rec.pkey), + be32_to_cpu(group->rec.qkey), + (group->rec.mtusel_mtu & 0xc0) >> 6, + (group->rec.mtusel_mtu & 0x3f), + group->rec.tclass, + (group->rec.ratesel_rate & 0xc0) >> 6, + (group->rec.ratesel_rate & 0x3f), + (hoplimit & 0xf0000000) >> 28, + (hoplimit & 0x0fffff00) >> 8, + (hoplimit & 0x000000ff), + group->rec.proxy_join); return len; } |