iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'qed-fixes'

Browse Source 
Sudarsana Reddy Kalluru says:

====================
qed: dcbx fix series.

The patch series contains the minor bug fixes for qed dcbx module.
Please consider applying this to 'net' branch.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2016-08-08 22:22:20 -07:00
commit 8971d8e5b2
3 changed files with 185 additions and 54 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

223
drivers/net/ethernet/qlogic/qed/qed_dcbx.c
View File

@ -52,40 +52,94 @@ static bool qed_dcbx_app_ethtype(u32 app_info_bitmap)
DCBX_APP_SF_ETHTYPE);
}
static bool qed_dcbx_ieee_app_ethtype(u32 app_info_bitmap)
{
u8 mfw_val = QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
/* Old MFW */
if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
return qed_dcbx_app_ethtype(app_info_bitmap);
return !!(mfw_val == DCBX_APP_SF_IEEE_ETHTYPE);
}
static bool qed_dcbx_app_port(u32 app_info_bitmap)
{
return !!(QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
DCBX_APP_SF_PORT);
}
static bool qed_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id)
static bool qed_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type)
{
return !!(qed_dcbx_app_ethtype(app_info_bitmap) &&
proto_id == QED_ETH_TYPE_DEFAULT);
u8 mfw_val = QED_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
/* Old MFW */
if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
return qed_dcbx_app_port(app_info_bitmap);
return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT);
}
static bool qed_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id)
static bool qed_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
return !!(qed_dcbx_app_port(app_info_bitmap) &&
proto_id == QED_TCP_PORT_ISCSI);
bool ethtype;
if (ieee)
ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap);
else
ethtype = qed_dcbx_app_ethtype(app_info_bitmap);
return !!(ethtype && (proto_id == QED_ETH_TYPE_DEFAULT));
}
static bool qed_dcbx_fcoe_tlv(u32 app_info_bitmap, u16 proto_id)
static bool qed_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
return !!(qed_dcbx_app_ethtype(app_info_bitmap) &&
proto_id == QED_ETH_TYPE_FCOE);
bool port;
if (ieee)
port = qed_dcbx_ieee_app_port(app_info_bitmap,
DCBX_APP_SF_IEEE_TCP_PORT);
else
port = qed_dcbx_app_port(app_info_bitmap);
return !!(port && (proto_id == QED_TCP_PORT_ISCSI));
}
static bool qed_dcbx_roce_tlv(u32 app_info_bitmap, u16 proto_id)
static bool qed_dcbx_fcoe_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
return !!(qed_dcbx_app_ethtype(app_info_bitmap) &&
proto_id == QED_ETH_TYPE_ROCE);
bool ethtype;
if (ieee)
ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap);
else
ethtype = qed_dcbx_app_ethtype(app_info_bitmap);
return !!(ethtype && (proto_id == QED_ETH_TYPE_FCOE));
}
static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id)
static bool qed_dcbx_roce_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
return !!(qed_dcbx_app_port(app_info_bitmap) &&
proto_id == QED_UDP_PORT_TYPE_ROCE_V2);
bool ethtype;
if (ieee)
ethtype = qed_dcbx_ieee_app_ethtype(app_info_bitmap);
else
ethtype = qed_dcbx_app_ethtype(app_info_bitmap);
return !!(ethtype && (proto_id == QED_ETH_TYPE_ROCE));
}
static bool qed_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
bool port;
if (ieee)
port = qed_dcbx_ieee_app_port(app_info_bitmap,
DCBX_APP_SF_IEEE_UDP_PORT);
else
port = qed_dcbx_app_port(app_info_bitmap);
return !!(port && (proto_id == QED_UDP_PORT_TYPE_ROCE_V2));
}
static void
@ -164,17 +218,17 @@ qed_dcbx_update_app_info(struct qed_dcbx_results *p_data,
static bool
qed_dcbx_get_app_protocol_type(struct qed_hwfn *p_hwfn,
u32 app_prio_bitmap,
u16 id, enum dcbx_protocol_type *type)
u16 id, enum dcbx_protocol_type *type, bool ieee)
{
if (qed_dcbx_fcoe_tlv(app_prio_bitmap, id)) {
if (qed_dcbx_fcoe_tlv(app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_FCOE;
} else if (qed_dcbx_roce_tlv(app_prio_bitmap, id)) {
} else if (qed_dcbx_roce_tlv(app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_ROCE;
} else if (qed_dcbx_iscsi_tlv(app_prio_bitmap, id)) {
} else if (qed_dcbx_iscsi_tlv(app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_ISCSI;
} else if (qed_dcbx_default_tlv(app_prio_bitmap, id)) {
} else if (qed_dcbx_default_tlv(app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_ETH;
} else if (qed_dcbx_roce_v2_tlv(app_prio_bitmap, id)) {
} else if (qed_dcbx_roce_v2_tlv(app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_ROCE_V2;
} else {
*type = DCBX_MAX_PROTOCOL_TYPE;
@ -194,17 +248,18 @@ static int
qed_dcbx_process_tlv(struct qed_hwfn *p_hwfn,
struct qed_dcbx_results *p_data,
struct dcbx_app_priority_entry *p_tbl,
u32 pri_tc_tbl, int count, bool dcbx_enabled)
u32 pri_tc_tbl, int count, u8 dcbx_version)
{
u8 tc, priority_map;
enum dcbx_protocol_type type;
bool enable, ieee;
u16 protocol_id;
int priority;
bool enable;
int i;
DP_VERBOSE(p_hwfn, QED_MSG_DCB, "Num APP entries = %d\n", count);
ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE);
/* Parse APP TLV */
for (i = 0; i < count; i++) {
protocol_id = QED_MFW_GET_FIELD(p_tbl[i].entry,
@ -219,7 +274,7 @@ qed_dcbx_process_tlv(struct qed_hwfn *p_hwfn,
tc = QED_DCBX_PRIO2TC(pri_tc_tbl, priority);
if (qed_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
protocol_id, &type)) {
protocol_id, &type, ieee)) {
/* ETH always have the enable bit reset, as it gets
* vlan information per packet. For other protocols,
* should be set according to the dcbx_enabled
@ -275,15 +330,12 @@ static int qed_dcbx_process_mib_info(struct qed_hwfn *p_hwfn)
struct dcbx_ets_feature *p_ets;
struct qed_hw_info *p_info;
u32 pri_tc_tbl, flags;
bool dcbx_enabled;
u8 dcbx_version;
int num_entries;
int rc = 0;
/* If DCBx version is non zero, then negotiation was
* successfuly performed
*/
flags = p_hwfn->p_dcbx_info->operational.flags;
dcbx_enabled = !!QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION);
dcbx_version = QED_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION);
p_app = &p_hwfn->p_dcbx_info->operational.features.app;
p_tbl = p_app->app_pri_tbl;
@ -295,13 +347,13 @@ static int qed_dcbx_process_mib_info(struct qed_hwfn *p_hwfn)
num_entries = QED_MFW_GET_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES);
rc = qed_dcbx_process_tlv(p_hwfn, &data, p_tbl, pri_tc_tbl,
num_entries, dcbx_enabled);
num_entries, dcbx_version);
if (rc)
return rc;
p_info->num_tc = QED_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS);
data.pf_id = p_hwfn->rel_pf_id;
data.dcbx_enabled = dcbx_enabled;
data.dcbx_enabled = !!dcbx_version;
qed_dcbx_dp_protocol(p_hwfn, &data);
@ -400,7 +452,7 @@ static void
qed_dcbx_get_app_data(struct qed_hwfn *p_hwfn,
struct dcbx_app_priority_feature *p_app,
struct dcbx_app_priority_entry *p_tbl,
struct qed_dcbx_params *p_params)
struct qed_dcbx_params *p_params, bool ieee)
{
struct qed_app_entry *entry;
u8 pri_map;
@ -414,15 +466,46 @@ qed_dcbx_get_app_data(struct qed_hwfn *p_hwfn,
DCBX_APP_NUM_ENTRIES);
for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
entry = &p_params->app_entry[i];
entry->ethtype = !(QED_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_SF));
if (ieee) {
u8 sf_ieee;
u32 val;
sf_ieee = QED_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_SF_IEEE);
switch (sf_ieee) {
case DCBX_APP_SF_IEEE_RESERVED:
/* Old MFW */
val = QED_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_SF);
entry->sf_ieee = val ?
QED_DCBX_SF_IEEE_TCP_UDP_PORT :
QED_DCBX_SF_IEEE_ETHTYPE;
break;
case DCBX_APP_SF_IEEE_ETHTYPE:
entry->sf_ieee = QED_DCBX_SF_IEEE_ETHTYPE;
break;
case DCBX_APP_SF_IEEE_TCP_PORT:
entry->sf_ieee = QED_DCBX_SF_IEEE_TCP_PORT;
break;
case DCBX_APP_SF_IEEE_UDP_PORT:
entry->sf_ieee = QED_DCBX_SF_IEEE_UDP_PORT;
break;
case DCBX_APP_SF_IEEE_TCP_UDP_PORT:
entry->sf_ieee = QED_DCBX_SF_IEEE_TCP_UDP_PORT;
break;
}
} else {
entry->ethtype = !(QED_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_SF));
}
pri_map = QED_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
entry->prio = ffs(pri_map) - 1;
entry->proto_id = QED_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_PROTOCOL_ID);
qed_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
entry->proto_id,
&entry->proto_type);
&entry->proto_type, ieee);
}
DP_VERBOSE(p_hwfn, QED_MSG_DCB,
@ -483,7 +566,7 @@ qed_dcbx_get_ets_data(struct qed_hwfn *p_hwfn,
bw_map[1] = be32_to_cpu(p_ets->tc_bw_tbl[1]);
tsa_map[0] = be32_to_cpu(p_ets->tc_tsa_tbl[0]);
tsa_map[1] = be32_to_cpu(p_ets->tc_tsa_tbl[1]);
pri_map = be32_to_cpu(p_ets->pri_tc_tbl[0]);
pri_map = p_ets->pri_tc_tbl[0];
for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) {
p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i];
p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i];
@ -500,9 +583,9 @@ qed_dcbx_get_common_params(struct qed_hwfn *p_hwfn,
struct dcbx_app_priority_feature *p_app,
struct dcbx_app_priority_entry *p_tbl,
struct dcbx_ets_feature *p_ets,
u32 pfc, struct qed_dcbx_params *p_params)
u32 pfc, struct qed_dcbx_params *p_params, bool ieee)
{
qed_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params);
qed_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee);
qed_dcbx_get_ets_data(p_hwfn, p_ets, p_params);
qed_dcbx_get_pfc_data(p_hwfn, pfc, p_params);
}
@ -516,7 +599,7 @@ qed_dcbx_get_local_params(struct qed_hwfn *p_hwfn,
p_feat = &p_hwfn->p_dcbx_info->local_admin.features;
qed_dcbx_get_common_params(p_hwfn, &p_feat->app,
p_feat->app.app_pri_tbl, &p_feat->ets,
p_feat->pfc, &params->local.params);
p_feat->pfc, &params->local.params, false);
params->local.valid = true;
}
@ -529,7 +612,7 @@ qed_dcbx_get_remote_params(struct qed_hwfn *p_hwfn,
p_feat = &p_hwfn->p_dcbx_info->remote.features;
qed_dcbx_get_common_params(p_hwfn, &p_feat->app,
p_feat->app.app_pri_tbl, &p_feat->ets,
p_feat->pfc, &params->remote.params);
p_feat->pfc, &params->remote.params, false);
params->remote.valid = true;
}
@ -574,7 +657,8 @@ qed_dcbx_get_operational_params(struct qed_hwfn *p_hwfn,
qed_dcbx_get_common_params(p_hwfn, &p_feat->app,
p_feat->app.app_pri_tbl, &p_feat->ets,
p_feat->pfc, &params->operational.params);
p_feat->pfc, &params->operational.params,
p_operational->ieee);
qed_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio, p_results);
err = QED_MFW_GET_FIELD(p_feat->app.flags, DCBX_APP_ERROR);
p_operational->err = err;
@ -944,7 +1028,6 @@ qed_dcbx_set_ets_data(struct qed_hwfn *p_hwfn,
val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4));
p_ets->pri_tc_tbl[0] |= val;
}
p_ets->pri_tc_tbl[0] = cpu_to_be32(p_ets->pri_tc_tbl[0]);
for (i = 0; i < 2; i++) {
p_ets->tc_bw_tbl[i] = cpu_to_be32(p_ets->tc_bw_tbl[i]);
p_ets->tc_tsa_tbl[i] = cpu_to_be32(p_ets->tc_tsa_tbl[i]);
@ -954,7 +1037,7 @@ qed_dcbx_set_ets_data(struct qed_hwfn *p_hwfn,
static void
qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn,
struct dcbx_app_priority_feature *p_app,
struct qed_dcbx_params *p_params)
struct qed_dcbx_params *p_params, bool ieee)
{
u32 *entry;
int i;
@ -975,12 +1058,36 @@ qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn,
for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
entry = &p_app->app_pri_tbl[i].entry;
*entry &= ~DCBX_APP_SF_MASK;
if (p_params->app_entry[i].ethtype)
*entry |= ((u32)DCBX_APP_SF_ETHTYPE <<
DCBX_APP_SF_SHIFT);
else
*entry |= ((u32)DCBX_APP_SF_PORT << DCBX_APP_SF_SHIFT);
if (ieee) {
*entry &= ~DCBX_APP_SF_IEEE_MASK;
switch (p_params->app_entry[i].sf_ieee) {
case QED_DCBX_SF_IEEE_ETHTYPE:
*entry |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE <<
DCBX_APP_SF_IEEE_SHIFT);
break;
case QED_DCBX_SF_IEEE_TCP_PORT:
*entry |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT <<
DCBX_APP_SF_IEEE_SHIFT);
break;
case QED_DCBX_SF_IEEE_UDP_PORT:
*entry |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT <<
DCBX_APP_SF_IEEE_SHIFT);
break;
case QED_DCBX_SF_IEEE_TCP_UDP_PORT:
*entry |= ((u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT <<
DCBX_APP_SF_IEEE_SHIFT);
break;
}
} else {
*entry &= ~DCBX_APP_SF_MASK;
if (p_params->app_entry[i].ethtype)
*entry |= ((u32)DCBX_APP_SF_ETHTYPE <<
DCBX_APP_SF_SHIFT);
else
*entry |= ((u32)DCBX_APP_SF_PORT <<
DCBX_APP_SF_SHIFT);
}
*entry &= ~DCBX_APP_PROTOCOL_ID_MASK;
*entry |= ((u32)p_params->app_entry[i].proto_id <<
DCBX_APP_PROTOCOL_ID_SHIFT);
@ -995,15 +1102,19 @@ qed_dcbx_set_local_params(struct qed_hwfn *p_hwfn,
struct dcbx_local_params *local_admin,
struct qed_dcbx_set *params)
{
bool ieee = false;
local_admin->flags = 0;
memcpy(&local_admin->features,
&p_hwfn->p_dcbx_info->operational.features,
sizeof(local_admin->features));
if (params->enabled)
if (params->enabled) {
local_admin->config = params->ver_num;
else
ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE);
} else {
local_admin->config = DCBX_CONFIG_VERSION_DISABLED;
}
if (params->override_flags & QED_DCBX_OVERRIDE_PFC_CFG)
qed_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc,
@ -1015,7 +1126,7 @@ qed_dcbx_set_local_params(struct qed_hwfn *p_hwfn,
if (params->override_flags & QED_DCBX_OVERRIDE_APP_CFG)
qed_dcbx_set_app_data(p_hwfn, &local_admin->features.app,
&params->config.params);
&params->config.params, ieee);
}
int qed_dcbx_config_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
@ -1596,8 +1707,10 @@ static int qed_dcbnl_setapp(struct qed_dev *cdev,
if ((entry->ethtype == ethtype) && (entry->proto_id == idval))
break;
/* First empty slot */
if (!entry->proto_id)
if (!entry->proto_id) {
dcbx_set.config.params.num_app_entries++;
break;
}
}
if (i == QED_DCBX_MAX_APP_PROTOCOL) {
@ -2117,8 +2230,10 @@ int qed_dcbnl_ieee_setapp(struct qed_dev *cdev, struct dcb_app *app)
(entry->proto_id == app->protocol))
break;
/* First empty slot */
if (!entry->proto_id)
if (!entry->proto_id) {
dcbx_set.config.params.num_app_entries++;
break;
}
}
if (i == QED_DCBX_MAX_APP_PROTOCOL) {

8
drivers/net/ethernet/qlogic/qed/qed_hsi.h
View File

@ -6850,6 +6850,14 @@ struct dcbx_app_priority_entry {
#define DCBX_APP_SF_SHIFT 8
#define DCBX_APP_SF_ETHTYPE 0
#define DCBX_APP_SF_PORT 1
#define DCBX_APP_SF_IEEE_MASK 0x0000f000
#define DCBX_APP_SF_IEEE_SHIFT 12
#define DCBX_APP_SF_IEEE_RESERVED 0
#define DCBX_APP_SF_IEEE_ETHTYPE 1
#define DCBX_APP_SF_IEEE_TCP_PORT 2
#define DCBX_APP_SF_IEEE_UDP_PORT 3
#define DCBX_APP_SF_IEEE_TCP_UDP_PORT 4
#define DCBX_APP_PROTOCOL_ID_MASK 0xffff0000
#define DCBX_APP_PROTOCOL_ID_SHIFT 16
};

8
include/linux/qed/qed_if.h
View File

@ -70,8 +70,16 @@ struct qed_dbcx_pfc_params {
u8 max_tc;
};
enum qed_dcbx_sf_ieee_type {
QED_DCBX_SF_IEEE_ETHTYPE,
QED_DCBX_SF_IEEE_TCP_PORT,
QED_DCBX_SF_IEEE_UDP_PORT,
QED_DCBX_SF_IEEE_TCP_UDP_PORT
};
struct qed_app_entry {
bool ethtype;
enum qed_dcbx_sf_ieee_type sf_ieee;
bool enabled;
u8 prio;
u16 proto_id;