#include "vcap_api_private.h"
#include "vcap_api_debugfs.h"
struct vcap_admin_debugfs_info {
struct vcap_control *vctrl;
struct vcap_admin *admin;
};
struct vcap_port_debugfs_info {
struct vcap_control *vctrl;
struct net_device *ndev;
};
static void vcap_debugfs_show_rule_keyfield(struct vcap_control *vctrl,
struct vcap_output_print *out,
enum vcap_key_field key,
const struct vcap_field *keyfield,
struct vcap_client_keyfield_data *data)
{
bool hex = false;
u8 *value, *mask;
int idx, bytes;
out->prf(out->dst, " %s: W%d: ", vcap_keyfield_name(vctrl, key),
keyfield[key].width);
switch (keyfield[key].type) {
case VCAP_FIELD_BIT:
out->prf(out->dst, "%d/%d", data->u1.value, data->u1.mask);
break;
case VCAP_FIELD_U32:
value = (u8 *)(&data->u32.value);
mask = (u8 *)(&data->u32.mask);
if (key == VCAP_KF_L3_IP4_SIP || key == VCAP_KF_L3_IP4_DIP) {
out->prf(out->dst, "%pI4h/%pI4h", &data->u32.value,
&data->u32.mask);
} else if (key == VCAP_KF_ETYPE ||
key == VCAP_KF_IF_IGR_PORT_MASK ||
key == VCAP_KF_IF_EGR_PORT_MASK) {
hex = true;
} else {
u32 fmsk = (1 << keyfield[key].width) - 1;
if (keyfield[key].width == 32)
fmsk = ~0;
out->prf(out->dst, "%u/%u", data->u32.value & fmsk,
data->u32.mask & fmsk);
}
break;
case VCAP_FIELD_U48:
value = data->u48.value;
mask = data->u48.mask;
if (key == VCAP_KF_L2_SMAC || key == VCAP_KF_L2_DMAC)
out->prf(out->dst, "%pMR/%pMR", data->u48.value,
data->u48.mask);
else
hex = true;
break;
case VCAP_FIELD_U56:
value = data->u56.value;
mask = data->u56.mask;
hex = true;
break;
case VCAP_FIELD_U64:
value = data->u64.value;
mask = data->u64.mask;
hex = true;
break;
case VCAP_FIELD_U72:
value = data->u72.value;
mask = data->u72.mask;
hex = true;
break;
case VCAP_FIELD_U112:
value = data->u112.value;
mask = data->u112.mask;
hex = true;
break;
case VCAP_FIELD_U128:
value = data->u128.value;
mask = data->u128.mask;
if (key == VCAP_KF_L3_IP6_SIP || key == VCAP_KF_L3_IP6_DIP) {
u8 nvalue[16], nmask[16];
vcap_netbytes_copy(nvalue, data->u128.value,
sizeof(nvalue));
vcap_netbytes_copy(nmask, data->u128.mask,
sizeof(nmask));
out->prf(out->dst, "%pI6/%pI6", nvalue, nmask);
} else {
hex = true;
}
break;
}
if (hex) {
bytes = DIV_ROUND_UP(keyfield[key].width, BITS_PER_BYTE);
out->prf(out->dst, "0x");
for (idx = 0; idx < bytes; ++idx)
out->prf(out->dst, "%02x", value[bytes - idx - 1]);
out->prf(out->dst, "/0x");
for (idx = 0; idx < bytes; ++idx)
out->prf(out->dst, "%02x", mask[bytes - idx - 1]);
}
out->prf(out->dst, "\n");
}
static void
vcap_debugfs_show_rule_actionfield(struct vcap_control *vctrl,
struct vcap_output_print *out,
enum vcap_action_field action,
const struct vcap_field *actionfield,
u8 *value)
{
bool hex = false;
int idx, bytes;
u32 fmsk, val;
out->prf(out->dst, " %s: W%d: ",
vcap_actionfield_name(vctrl, action),
actionfield[action].width);
switch (actionfield[action].type) {
case VCAP_FIELD_BIT:
out->prf(out->dst, "%d", value[0]);
break;
case VCAP_FIELD_U32:
fmsk = (1 << actionfield[action].width) - 1;
val = *(u32 *)value;
out->prf(out->dst, "%u", val & fmsk);
break;
case VCAP_FIELD_U48:
case VCAP_FIELD_U56:
case VCAP_FIELD_U64:
case VCAP_FIELD_U72:
case VCAP_FIELD_U112:
case VCAP_FIELD_U128:
hex = true;
break;
}
if (hex) {
bytes = DIV_ROUND_UP(actionfield[action].width, BITS_PER_BYTE);
out->prf(out->dst, "0x");
for (idx = 0; idx < bytes; ++idx)
out->prf(out->dst, "%02x", value[bytes - idx - 1]);
}
out->prf(out->dst, "\n");
}
static int vcap_debugfs_show_keysets(struct vcap_rule_internal *ri,
struct vcap_output_print *out)
{
struct vcap_admin *admin = ri->admin;
enum vcap_keyfield_set keysets[10];
struct vcap_keyset_list matches;
int err;
matches.keysets = keysets;
matches.cnt = 0;
matches.max = ARRAY_SIZE(keysets);
if (ri->state == VCAP_RS_DISABLED)
err = vcap_rule_get_keysets(ri, &matches);
else
err = vcap_find_keystream_keysets(ri->vctrl, admin->vtype,
admin->cache.keystream,
admin->cache.maskstream,
false, 0, &matches);
if (err) {
pr_err("%s:%d: could not find valid keysets: %d\n",
__func__, __LINE__, err);
return err;
}
out->prf(out->dst, " keysets:");
for (int idx = 0; idx < matches.cnt; ++idx)
out->prf(out->dst, " %s",
vcap_keyset_name(ri->vctrl, matches.keysets[idx]));
out->prf(out->dst, "\n");
return 0;
}
static int vcap_debugfs_show_rule_keyset(struct vcap_rule_internal *ri,
struct vcap_output_print *out)
{
struct vcap_control *vctrl = ri->vctrl;
struct vcap_admin *admin = ri->admin;
const struct vcap_field *keyfield;
struct vcap_client_keyfield *ckf;
vcap_debugfs_show_keysets(ri, out);
out->prf(out->dst, " keyset_sw: %d\n", ri->keyset_sw);
out->prf(out->dst, " keyset_sw_regs: %d\n", ri->keyset_sw_regs);
list_for_each_entry(ckf, &ri->data.keyfields, ctrl.list) {
keyfield = vcap_keyfields(vctrl, admin->vtype, ri->data.keyset);
vcap_debugfs_show_rule_keyfield(vctrl, out, ckf->ctrl.key,
keyfield, &ckf->data);
}
return 0;
}
static int vcap_debugfs_show_rule_actionset(struct vcap_rule_internal *ri,
struct vcap_output_print *out)
{
struct vcap_control *vctrl = ri->vctrl;
struct vcap_admin *admin = ri->admin;
const struct vcap_field *actionfield;
struct vcap_client_actionfield *caf;
out->prf(out->dst, " actionset: %s\n",
vcap_actionset_name(vctrl, ri->data.actionset));
out->prf(out->dst, " actionset_sw: %d\n", ri->actionset_sw);
out->prf(out->dst, " actionset_sw_regs: %d\n", ri->actionset_sw_regs);
list_for_each_entry(caf, &ri->data.actionfields, ctrl.list) {
actionfield = vcap_actionfields(vctrl, admin->vtype,
ri->data.actionset);
vcap_debugfs_show_rule_actionfield(vctrl, out, caf->ctrl.action,
actionfield,
&caf->data.u1.value);
}
return 0;
}
static void vcap_show_admin_rule(struct vcap_control *vctrl,
struct vcap_admin *admin,
struct vcap_output_print *out,
struct vcap_rule_internal *ri)
{
ri->counter.value = admin->cache.counter;
ri->counter.sticky = admin->cache.sticky;
out->prf(out->dst,
"rule: %u, addr: [%d,%d], X%d, ctr[%d]: %d, hit: %d\n",
ri->data.id, ri->addr, ri->addr + ri->size - 1, ri->size,
ri->counter_id, ri->counter.value, ri->counter.sticky);
out->prf(out->dst, " chain_id: %d\n", ri->data.vcap_chain_id);
out->prf(out->dst, " user: %d\n", ri->data.user);
out->prf(out->dst, " priority: %d\n", ri->data.priority);
out->prf(out->dst, " state: ");
switch (ri->state) {
case VCAP_RS_PERMANENT:
out->prf(out->dst, "permanent\n");
break;
case VCAP_RS_DISABLED:
out->prf(out->dst, "disabled\n");
break;
case VCAP_RS_ENABLED:
out->prf(out->dst, "enabled\n");
break;
}
vcap_debugfs_show_rule_keyset(ri, out);
vcap_debugfs_show_rule_actionset(ri, out);
}
static void vcap_show_admin_info(struct vcap_control *vctrl,
struct vcap_admin *admin,
struct vcap_output_print *out)
{
const struct vcap_info *vcap = &vctrl->vcaps[admin->vtype];
out->prf(out->dst, "name: %s\n", vcap->name);
out->prf(out->dst, "rows: %d\n", vcap->rows);
out->prf(out->dst, "sw_count: %d\n", vcap->sw_count);
out->prf(out->dst, "sw_width: %d\n", vcap->sw_width);
out->prf(out->dst, "sticky_width: %d\n", vcap->sticky_width);
out->prf(out->dst, "act_width: %d\n", vcap->act_width);
out->prf(out->dst, "default_cnt: %d\n", vcap->default_cnt);
out->prf(out->dst, "require_cnt_dis: %d\n", vcap->require_cnt_dis);
out->prf(out->dst, "version: %d\n", vcap->version);
out->prf(out->dst, "vtype: %d\n", admin->vtype);
out->prf(out->dst, "vinst: %d\n", admin->vinst);
out->prf(out->dst, "ingress: %d\n", admin->ingress);
out->prf(out->dst, "first_cid: %d\n", admin->first_cid);
out->prf(out->dst, "last_cid: %d\n", admin->last_cid);
out->prf(out->dst, "lookups: %d\n", admin->lookups);
out->prf(out->dst, "first_valid_addr: %d\n", admin->first_valid_addr);
out->prf(out->dst, "last_valid_addr: %d\n", admin->last_valid_addr);
out->prf(out->dst, "last_used_addr: %d\n", admin->last_used_addr);
}
static int vcap_show_admin(struct vcap_control *vctrl,
struct vcap_admin *admin,
struct vcap_output_print *out)
{
struct vcap_rule_internal *elem;
struct vcap_rule *vrule;
int ret = 0;
vcap_show_admin_info(vctrl, admin, out);
list_for_each_entry(elem, &admin->rules, list) {
vrule = vcap_decode_rule(elem);
if (IS_ERR(vrule)) {
ret = PTR_ERR(vrule);
break;
}
out->prf(out->dst, "\n");
vcap_show_admin_rule(vctrl, admin, out, to_intrule(vrule));
vcap_free_rule(vrule);
}
return ret;
}
static int vcap_show_admin_raw(struct vcap_control *vctrl,
struct vcap_admin *admin,
struct vcap_output_print *out)
{
enum vcap_keyfield_set keysets[10];
enum vcap_type vt = admin->vtype;
struct vcap_keyset_list kslist;
struct vcap_rule_internal *ri;
const struct vcap_set *info;
int addr, idx;
int ret;
if (list_empty(&admin->rules))
return 0;
ret = vcap_api_check(vctrl);
if (ret)
return ret;
ri = list_first_entry(&admin->rules, struct vcap_rule_internal, list);
kslist.keysets = keysets;
kslist.max = ARRAY_SIZE(keysets);
for (addr = admin->last_valid_addr; addr >= admin->first_valid_addr;
--addr) {
kslist.cnt = 0;
ret = vcap_addr_keysets(vctrl, ri->ndev, admin, addr, &kslist);
if (ret < 0)
continue;
info = vcap_keyfieldset(vctrl, vt, kslist.keysets[0]);
if (!info)
continue;
if (addr % info->sw_per_item) {
pr_info("addr: %d X%d error rule, keyset: %s\n",
addr,
info->sw_per_item,
vcap_keyset_name(vctrl, kslist.keysets[0]));
} else {
out->prf(out->dst, " addr: %d, X%d rule, keysets:",
addr,
info->sw_per_item);
for (idx = 0; idx < kslist.cnt; ++idx)
out->prf(out->dst, " %s",
vcap_keyset_name(vctrl,
kslist.keysets[idx]));
out->prf(out->dst, "\n");
}
}
return 0;
}
static int vcap_port_debugfs_show(struct seq_file *m, void *unused)
{
struct vcap_port_debugfs_info *info = m->private;
struct vcap_admin *admin;
struct vcap_output_print out = {
.prf = (void *)seq_printf,
.dst = m,
};
list_for_each_entry(admin, &info->vctrl->list, list) {
if (admin->vinst)
continue;
info->vctrl->ops->port_info(info->ndev, admin, &out);
}
return 0;
}
DEFINE_SHOW_ATTRIBUTE(vcap_port_debugfs);
void vcap_port_debugfs(struct device *dev, struct dentry *parent,
struct vcap_control *vctrl,
struct net_device *ndev)
{
struct vcap_port_debugfs_info *info;
info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
if (!info)
return;
info->vctrl = vctrl;
info->ndev = ndev;
debugfs_create_file(netdev_name(ndev), 0444, parent, info,
&vcap_port_debugfs_fops);
}
EXPORT_SYMBOL_GPL(vcap_port_debugfs);
static int vcap_debugfs_show(struct seq_file *m, void *unused)
{
struct vcap_admin_debugfs_info *info = m->private;
struct vcap_output_print out = {
.prf = (void *)seq_printf,
.dst = m,
};
int ret;
mutex_lock(&info->admin->lock);
ret = vcap_show_admin(info->vctrl, info->admin, &out);
mutex_unlock(&info->admin->lock);
return ret;
}
DEFINE_SHOW_ATTRIBUTE(vcap_debugfs);
static int vcap_raw_debugfs_show(struct seq_file *m, void *unused)
{
struct vcap_admin_debugfs_info *info = m->private;
struct vcap_output_print out = {
.prf = (void *)seq_printf,
.dst = m,
};
int ret;
mutex_lock(&info->admin->lock);
ret = vcap_show_admin_raw(info->vctrl, info->admin, &out);
mutex_unlock(&info->admin->lock);
return ret;
}
DEFINE_SHOW_ATTRIBUTE(vcap_raw_debugfs);
struct dentry *vcap_debugfs(struct device *dev, struct dentry *parent,
struct vcap_control *vctrl)
{
struct vcap_admin_debugfs_info *info;
struct vcap_admin *admin;
struct dentry *dir;
char name[50];
dir = debugfs_create_dir("vcaps", parent);
if (PTR_ERR_OR_ZERO(dir))
return NULL;
list_for_each_entry(admin, &vctrl->list, list) {
sprintf(name, "raw_%s_%d", vctrl->vcaps[admin->vtype].name,
admin->vinst);
info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
if (!info)
return NULL;
info->vctrl = vctrl;
info->admin = admin;
debugfs_create_file(name, 0444, dir, info,
&vcap_raw_debugfs_fops);
sprintf(name, "%s_%d", vctrl->vcaps[admin->vtype].name,
admin->vinst);
debugfs_create_file(name, 0444, dir, info, &vcap_debugfs_fops);
}
return dir;
}
EXPORT_SYMBOL_GPL(vcap_debugfs);
#ifdef CONFIG_VCAP_KUNIT_TEST
#include "vcap_api_debugfs_kunit.c"
#endif
