* [patch 2/2] qeth: Accurate ethtool output
2013-12-16 8:44 [patch 0/2] s390: network patches for net-next frank.blaschka
2013-12-16 8:44 ` [patch 1/2] netiucv: improve state checking in conn_action_txdone frank.blaschka
@ 2013-12-16 8:44 ` frank.blaschka
2013-12-17 22:17 ` [patch 0/2] s390: network patches for net-next David Miller
2 siblings, 0 replies; 4+ messages in thread
From: frank.blaschka @ 2013-12-16 8:44 UTC (permalink / raw)
To: davem; +Cc: netdev, linux-s390, Eugene Crosser
[-- Attachment #1: 601-qeth-ethtool-output.diff --]
[-- Type: text/plain, Size: 10678 bytes --]
From: Eugene Crosser <Eugene.Crosser@ru.ibm.com>
For OSA devices that support the QUERY_CARD_INFO command, supply
accurate data based on the card type, port mode and link speed
via the 'ethtool' interface.
Signed-off-by: Eugene Crosser <Eugene.Crosser@ru.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
---
drivers/s390/net/qeth_core.h | 8 +
drivers/s390/net/qeth_core_main.c | 198 ++++++++++++++++++++++++++++----------
drivers/s390/net/qeth_core_mpc.h | 28 +++++
3 files changed, 185 insertions(+), 49 deletions(-)
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -738,6 +738,12 @@ struct qeth_rx {
int qdio_err;
};
+struct carrier_info {
+ __u8 card_type;
+ __u16 port_mode;
+ __u32 port_speed;
+};
+
#define QETH_NAPI_WEIGHT NAPI_POLL_WEIGHT
struct qeth_card {
@@ -914,6 +920,8 @@ struct qeth_cmd_buffer *qeth_wait_for_bu
int qeth_mdio_read(struct net_device *, int, int);
int qeth_snmp_command(struct qeth_card *, char __user *);
int qeth_query_oat_command(struct qeth_card *, char __user *);
+int qeth_query_card_info(struct qeth_card *card,
+ struct carrier_info *carrier_info);
int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
void *reply_param);
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -4602,6 +4602,42 @@ out:
}
EXPORT_SYMBOL_GPL(qeth_query_oat_command);
+int qeth_query_card_info_cb(struct qeth_card *card,
+ struct qeth_reply *reply, unsigned long data)
+{
+ struct qeth_ipa_cmd *cmd;
+ struct qeth_query_card_info *card_info;
+ struct carrier_info *carrier_info;
+
+ QETH_CARD_TEXT(card, 2, "qcrdincb");
+ carrier_info = (struct carrier_info *)reply->param;
+ cmd = (struct qeth_ipa_cmd *)data;
+ card_info = &cmd->data.setadapterparms.data.card_info;
+ if (cmd->data.setadapterparms.hdr.return_code == 0) {
+ carrier_info->card_type = card_info->card_type;
+ carrier_info->port_mode = card_info->port_mode;
+ carrier_info->port_speed = card_info->port_speed;
+ }
+
+ qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
+ return 0;
+}
+
+int qeth_query_card_info(struct qeth_card *card,
+ struct carrier_info *carrier_info)
+{
+ struct qeth_cmd_buffer *iob;
+
+ QETH_CARD_TEXT(card, 2, "qcrdinfo");
+ if (!qeth_adp_supported(card, IPA_SETADP_QUERY_CARD_INFO))
+ return -EOPNOTSUPP;
+ iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_CARD_INFO,
+ sizeof(struct qeth_ipacmd_setadpparms_hdr));
+ return qeth_send_ipa_cmd(card, iob, qeth_query_card_info_cb,
+ (void *)carrier_info);
+}
+EXPORT_SYMBOL_GPL(qeth_query_card_info);
+
static inline int qeth_get_qdio_q_format(struct qeth_card *card)
{
switch (card->info.type) {
@@ -5606,11 +5642,65 @@ void qeth_core_get_drvinfo(struct net_de
}
EXPORT_SYMBOL_GPL(qeth_core_get_drvinfo);
+/* Helper function to fill 'advertizing' and 'supported' which are the same. */
+/* Autoneg and full-duplex are supported and advertized uncondionally. */
+/* Always advertize and support all speeds up to specified, and only one */
+/* specified port type. */
+static void qeth_set_ecmd_adv_sup(struct ethtool_cmd *ecmd,
+ int maxspeed, int porttype)
+{
+ int port_sup, port_adv, spd_sup, spd_adv;
+
+ switch (porttype) {
+ case PORT_TP:
+ port_sup = SUPPORTED_TP;
+ port_adv = ADVERTISED_TP;
+ break;
+ case PORT_FIBRE:
+ port_sup = SUPPORTED_FIBRE;
+ port_adv = ADVERTISED_FIBRE;
+ break;
+ default:
+ port_sup = SUPPORTED_TP;
+ port_adv = ADVERTISED_TP;
+ WARN_ON_ONCE(1);
+ }
+
+ /* "Fallthrough" case'es ordered from high to low result in setting */
+ /* flags cumulatively, starting from the specified speed and down to */
+ /* the lowest possible. */
+ spd_sup = 0;
+ spd_adv = 0;
+ switch (maxspeed) {
+ case SPEED_10000:
+ spd_sup |= SUPPORTED_10000baseT_Full;
+ spd_adv |= ADVERTISED_10000baseT_Full;
+ case SPEED_1000:
+ spd_sup |= SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full;
+ spd_adv |= ADVERTISED_1000baseT_Half |
+ ADVERTISED_1000baseT_Full;
+ case SPEED_100:
+ spd_sup |= SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full;
+ spd_adv |= ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full;
+ case SPEED_10:
+ spd_sup |= SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full;
+ spd_adv |= ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full;
+ break;
+ default:
+ spd_sup = SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full;
+ spd_adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full;
+ WARN_ON_ONCE(1);
+ }
+ ecmd->advertising = ADVERTISED_Autoneg | port_adv | spd_adv;
+ ecmd->supported = SUPPORTED_Autoneg | port_sup | spd_sup;
+}
+
int qeth_core_ethtool_get_settings(struct net_device *netdev,
struct ethtool_cmd *ecmd)
{
struct qeth_card *card = netdev->ml_priv;
enum qeth_link_types link_type;
+ struct carrier_info carrier_info;
if ((card->info.type == QETH_CARD_TYPE_IQD) || (card->info.guestlan))
link_type = QETH_LINK_TYPE_10GBIT_ETH;
@@ -5618,80 +5708,92 @@ int qeth_core_ethtool_get_settings(struc
link_type = card->info.link_type;
ecmd->transceiver = XCVR_INTERNAL;
- ecmd->supported = SUPPORTED_Autoneg;
- ecmd->advertising = ADVERTISED_Autoneg;
ecmd->duplex = DUPLEX_FULL;
ecmd->autoneg = AUTONEG_ENABLE;
switch (link_type) {
case QETH_LINK_TYPE_FAST_ETH:
case QETH_LINK_TYPE_LANE_ETH100:
- ecmd->supported |= SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_TP;
- ecmd->advertising |= ADVERTISED_10baseT_Half |
- ADVERTISED_10baseT_Full |
- ADVERTISED_100baseT_Half |
- ADVERTISED_100baseT_Full |
- ADVERTISED_TP;
+ qeth_set_ecmd_adv_sup(ecmd, SPEED_100, PORT_TP);
ecmd->speed = SPEED_100;
ecmd->port = PORT_TP;
break;
case QETH_LINK_TYPE_GBIT_ETH:
case QETH_LINK_TYPE_LANE_ETH1000:
- ecmd->supported |= SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Half |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_FIBRE;
- ecmd->advertising |= ADVERTISED_10baseT_Half |
- ADVERTISED_10baseT_Full |
- ADVERTISED_100baseT_Half |
- ADVERTISED_100baseT_Full |
- ADVERTISED_1000baseT_Half |
- ADVERTISED_1000baseT_Full |
- ADVERTISED_FIBRE;
+ qeth_set_ecmd_adv_sup(ecmd, SPEED_1000, PORT_FIBRE);
ecmd->speed = SPEED_1000;
ecmd->port = PORT_FIBRE;
break;
case QETH_LINK_TYPE_10GBIT_ETH:
- ecmd->supported |= SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Half |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_10000baseT_Full |
- SUPPORTED_FIBRE;
- ecmd->advertising |= ADVERTISED_10baseT_Half |
- ADVERTISED_10baseT_Full |
- ADVERTISED_100baseT_Half |
- ADVERTISED_100baseT_Full |
- ADVERTISED_1000baseT_Half |
- ADVERTISED_1000baseT_Full |
- ADVERTISED_10000baseT_Full |
- ADVERTISED_FIBRE;
+ qeth_set_ecmd_adv_sup(ecmd, SPEED_10000, PORT_FIBRE);
ecmd->speed = SPEED_10000;
ecmd->port = PORT_FIBRE;
break;
default:
- ecmd->supported |= SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_TP;
- ecmd->advertising |= ADVERTISED_10baseT_Half |
- ADVERTISED_10baseT_Full |
- ADVERTISED_TP;
+ qeth_set_ecmd_adv_sup(ecmd, SPEED_10, PORT_TP);
ecmd->speed = SPEED_10;
ecmd->port = PORT_TP;
}
+ /* Check if we can obtain more accurate information. */
+ /* If QUERY_CARD_INFO command is not supported or fails, */
+ /* just return the heuristics that was filled above. */
+ if (qeth_query_card_info(card, &carrier_info) != 0)
+ return 0;
+
+ netdev_dbg(netdev,
+ "card info: card_type=0x%02x, port_mode=0x%04x, port_speed=0x%08x\n",
+ carrier_info.card_type,
+ carrier_info.port_mode,
+ carrier_info.port_speed);
+
+ /* Update attributes for which we've obtained more authoritative */
+ /* information, leave the rest the way they where filled above. */
+ switch (carrier_info.card_type) {
+ case CARD_INFO_TYPE_1G_COPPER_A:
+ case CARD_INFO_TYPE_1G_COPPER_B:
+ qeth_set_ecmd_adv_sup(ecmd, SPEED_1000, PORT_TP);
+ ecmd->port = PORT_TP;
+ break;
+ case CARD_INFO_TYPE_1G_FIBRE_A:
+ case CARD_INFO_TYPE_1G_FIBRE_B:
+ qeth_set_ecmd_adv_sup(ecmd, SPEED_1000, PORT_FIBRE);
+ ecmd->port = PORT_FIBRE;
+ break;
+ case CARD_INFO_TYPE_10G_FIBRE_A:
+ case CARD_INFO_TYPE_10G_FIBRE_B:
+ qeth_set_ecmd_adv_sup(ecmd, SPEED_10000, PORT_FIBRE);
+ ecmd->port = PORT_FIBRE;
+ break;
+ }
+
+ switch (carrier_info.port_mode) {
+ case CARD_INFO_PORTM_FULLDUPLEX:
+ ecmd->duplex = DUPLEX_FULL;
+ break;
+ case CARD_INFO_PORTM_HALFDUPLEX:
+ ecmd->duplex = DUPLEX_HALF;
+ break;
+ }
+
+ switch (carrier_info.port_speed) {
+ case CARD_INFO_PORTS_10M:
+ ecmd->speed = SPEED_10;
+ break;
+ case CARD_INFO_PORTS_100M:
+ ecmd->speed = SPEED_100;
+ break;
+ case CARD_INFO_PORTS_1G:
+ ecmd->speed = SPEED_1000;
+ break;
+ case CARD_INFO_PORTS_10G:
+ ecmd->speed = SPEED_10000;
+ break;
+ }
+
return 0;
}
EXPORT_SYMBOL_GPL(qeth_core_ethtool_get_settings);
--- a/drivers/s390/net/qeth_core_mpc.h
+++ b/drivers/s390/net/qeth_core_mpc.h
@@ -274,7 +274,24 @@ enum qeth_ipa_set_access_mode_rc {
SET_ACCESS_CTRL_RC_REFLREL_FAILED = 0x0024,
SET_ACCESS_CTRL_RC_REFLREL_DEACT_FAILED = 0x0028,
};
-
+enum qeth_card_info_card_type {
+ CARD_INFO_TYPE_1G_COPPER_A = 0x61,
+ CARD_INFO_TYPE_1G_FIBRE_A = 0x71,
+ CARD_INFO_TYPE_10G_FIBRE_A = 0x91,
+ CARD_INFO_TYPE_1G_COPPER_B = 0xb1,
+ CARD_INFO_TYPE_1G_FIBRE_B = 0xa1,
+ CARD_INFO_TYPE_10G_FIBRE_B = 0xc1,
+};
+enum qeth_card_info_port_mode {
+ CARD_INFO_PORTM_HALFDUPLEX = 0x0002,
+ CARD_INFO_PORTM_FULLDUPLEX = 0x0003,
+};
+enum qeth_card_info_port_speed {
+ CARD_INFO_PORTS_10M = 0x00000005,
+ CARD_INFO_PORTS_100M = 0x00000006,
+ CARD_INFO_PORTS_1G = 0x00000007,
+ CARD_INFO_PORTS_10G = 0x00000008,
+};
/* (SET)DELIP(M) IPA stuff ***************************************************/
struct qeth_ipacmd_setdelip4 {
@@ -404,6 +421,14 @@ struct qeth_qoat_priv {
char *buffer;
};
+struct qeth_query_card_info {
+ __u8 card_type;
+ __u8 reserved1;
+ __u16 port_mode;
+ __u32 port_speed;
+ __u32 reserved2;
+};
+
struct qeth_ipacmd_setadpparms_hdr {
__u32 supp_hw_cmds;
__u32 reserved1;
@@ -424,6 +449,7 @@ struct qeth_ipacmd_setadpparms {
struct qeth_snmp_cmd snmp;
struct qeth_set_access_ctrl set_access_ctrl;
struct qeth_query_oat query_oat;
+ struct qeth_query_card_info card_info;
__u32 mode;
} data;
} __attribute__ ((packed));
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