s390/qeth: report 25Gbit link speed

BugLink: https://bugs.launchpad.net/bugs/1814892
This adds the various identifiers for 25Gbit cards, and wires them up
into sysfs and ethtool.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 54e049c227d9968ff6a7d80aae5fec27b54d39da)
Signed-off-by: Frank Heimes <frank.heimes@canonical.com>
Acked-by: Khalid Elmously <khalid.elmously@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>
[ klebers: removed duplicated subject line from the commit message ]
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>

diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 0df78beaa9d56ab82a94a3a8dd0bc47fc4e354d5..a5194e58c17f7c2733e557693c6bc87a75b06b6d 100644 (file)
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -167,6 +167,8 @@ const char *qeth_get_cardname_short(struct qeth_card *card)
                                return "OSD_1000";
                        case QETH_LINK_TYPE_10GBIT_ETH:
                                return "OSD_10GIG";
+                       case QETH_LINK_TYPE_25GBIT_ETH:
+                               return "OSD_25GIG";
                        case QETH_LINK_TYPE_LANE_ETH100:
                                return "OSD_FE_LANE";
                        case QETH_LINK_TYPE_LANE_TR:
@@ -4475,7 +4477,8 @@ static int qeth_mdio_read(struct net_device *dev, int phy_id, int regnum)
                rc = BMCR_FULLDPLX;
                if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH) &&
                    (card->info.link_type != QETH_LINK_TYPE_OSN) &&
-                   (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH))
+                   (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH) &&
+                   (card->info.link_type != QETH_LINK_TYPE_25GBIT_ETH))
                        rc |= BMCR_SPEED100;
                break;
        case MII_BMSR: /* Basic mode status register */
@@ -6134,8 +6137,14 @@ static void qeth_set_cmd_adv_sup(struct ethtool_link_ksettings *cmd,
                WARN_ON_ONCE(1);
        }
 
-       /* fallthrough from high to low, to select all legal speeds: */
+       /* partially does fall through, to also select lower speeds */
        switch (maxspeed) {
+       case SPEED_25000:
+               ethtool_link_ksettings_add_link_mode(cmd, supported,
+                                                    25000baseSR_Full);
+               ethtool_link_ksettings_add_link_mode(cmd, advertising,
+                                                    25000baseSR_Full);
+               break;
        case SPEED_10000:
                ethtool_link_ksettings_add_link_mode(cmd, supported,
                                                     10000baseT_Full);
@@ -6218,6 +6227,10 @@ int qeth_core_ethtool_get_link_ksettings(struct net_device *netdev,
                cmd->base.speed = SPEED_10000;
                cmd->base.port = PORT_FIBRE;
                break;
+       case QETH_LINK_TYPE_25GBIT_ETH:
+               cmd->base.speed = SPEED_25000;
+               cmd->base.port = PORT_FIBRE;
+               break;
        default:
                cmd->base.speed = SPEED_10;
                cmd->base.port = PORT_TP;
@@ -6284,6 +6297,9 @@ int qeth_core_ethtool_get_link_ksettings(struct net_device *netdev,
        case CARD_INFO_PORTS_10G:
                cmd->base.speed = SPEED_10000;
                break;
+       case CARD_INFO_PORTS_25G:
+               cmd->base.speed = SPEED_25000;
+               break;
        }
 
        return 0;

diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h
index 92dd3f11d509be6705255f0091cf1e600f5641bc..2e6d04e4b397514c41f5c3f832bae1005bd902d4 100644 (file)
--- a/drivers/s390/net/qeth_core_mpc.h
+++ b/drivers/s390/net/qeth_core_mpc.h
@@ -72,6 +72,7 @@ enum qeth_link_types {
        QETH_LINK_TYPE_GBIT_ETH     = 0x03,
        QETH_LINK_TYPE_OSN          = 0x04,
        QETH_LINK_TYPE_10GBIT_ETH   = 0x10,
+       QETH_LINK_TYPE_25GBIT_ETH   = 0x12,
        QETH_LINK_TYPE_LANE_ETH100  = 0x81,
        QETH_LINK_TYPE_LANE_TR      = 0x82,
        QETH_LINK_TYPE_LANE_ETH1000 = 0x83,
@@ -327,6 +328,7 @@ enum qeth_card_info_port_speed {
        CARD_INFO_PORTS_100M            = 0x00000006,
        CARD_INFO_PORTS_1G              = 0x00000007,
        CARD_INFO_PORTS_10G             = 0x00000008,
+       CARD_INFO_PORTS_25G             = 0x0000000A,
 };
 
 /* (SET)DELIP(M) IPA stuff ***************************************************/