From e08d88cccbe0dfcfbaffb704d24e19803407935d Mon Sep 17 00:00:00 2001 From: Frank Pavlic Date: Thu, 10 Nov 2005 13:51:17 +0100 Subject: [PATCH] [PATCH] s390: fix recovery failure of non-guestLAN devices [patch 5/7] s390: fix recovery failure of non-guestLAN devices From: Frank Pavlic - Recovery of non-guestLAN Layer 2 device failed due to trying to register the real MAC address we got from the READ_MAC adapter parameters command. We have to keep the "old" MAC address when we process the reply of a READ_MAC. Signed-off-by: Frank Pavlic diffstat: qeth.h | 12 ++++++------ qeth_main.c | 27 ++++++++++++++++----------- 2 files changed, 22 insertions(+), 17 deletions(-) Signed-off-by: Jeff Garzik --- drivers/s390/net/qeth.h | 12 ++++++------ drivers/s390/net/qeth_main.c | 27 ++++++++++++++++----------- 2 files changed, 22 insertions(+), 17 deletions(-) diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h index 635044a4a40b..44b9e14222a9 100644 --- a/drivers/s390/net/qeth.h +++ b/drivers/s390/net/qeth.h @@ -25,7 +25,7 @@ #include "qeth_mpc.h" -#define VERSION_QETH_H "$Revision: 1.151 $" +#define VERSION_QETH_H "$Revision: 1.152 $" #ifdef CONFIG_QETH_IPV6 #define QETH_VERSION_IPV6 ":IPv6" @@ -719,8 +719,6 @@ struct qeth_reply { atomic_t refcnt; }; -#define QETH_BROADCAST_WITH_ECHO 1 -#define QETH_BROADCAST_WITHOUT_ECHO 2 struct qeth_card_blkt { int time_total; @@ -728,8 +726,10 @@ struct qeth_card_blkt { int inter_packet_jumbo; }; - - +#define QETH_BROADCAST_WITH_ECHO 0x01 +#define QETH_BROADCAST_WITHOUT_ECHO 0x02 +#define QETH_LAYER2_MAC_READ 0x01 +#define QETH_LAYER2_MAC_REGISTERED 0x02 struct qeth_card_info { unsigned short unit_addr2; unsigned short cula; @@ -737,7 +737,7 @@ struct qeth_card_info { __u16 func_level; char mcl_level[QETH_MCL_LENGTH + 1]; int guestlan; - int layer2_mac_registered; + int mac_bits; int portname_required; int portno; char portname[9]; diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index d6844b24a8aa..0f7f5117f1cf 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -1,6 +1,6 @@ /* * - * linux/drivers/s390/net/qeth_main.c ($Revision: 1.238 $) + * linux/drivers/s390/net/qeth_main.c ($Revision: 1.242 $) * * Linux on zSeries OSA Express and HiperSockets support * @@ -12,7 +12,7 @@ * Frank Pavlic (pavlic@de.ibm.com) and * Thomas Spatzier * - * $Revision: 1.238 $ $Date: 2005/05/04 20:19:18 $ + * $Revision: 1.242 $ $Date: 2005/05/04 20:19:18 $ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -72,7 +72,7 @@ #include "qeth_eddp.h" #include "qeth_tso.h" -#define VERSION_QETH_C "$Revision: 1.238 $" +#define VERSION_QETH_C "$Revision: 1.242 $" static const char *version = "qeth S/390 OSA-Express driver"; /** @@ -3775,7 +3775,7 @@ qeth_open(struct net_device *dev) if ( (card->info.type != QETH_CARD_TYPE_OSN) && (card->options.layer2) && - (!card->info.layer2_mac_registered)) { + (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) { QETH_DBF_TEXT(trace,4,"nomacadr"); return -EPERM; } @@ -5894,10 +5894,10 @@ qeth_layer2_send_setmac_cb(struct qeth_card *card, PRINT_WARN("Error in registering MAC address on " \ "device %s: x%x\n", CARD_BUS_ID(card), cmd->hdr.return_code); - card->info.layer2_mac_registered = 0; + card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; cmd->hdr.return_code = -EIO; } else { - card->info.layer2_mac_registered = 1; + card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac, OSA_ADDR_LEN); PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x " @@ -5935,7 +5935,7 @@ qeth_layer2_send_delmac_cb(struct qeth_card *card, cmd->hdr.return_code = -EIO; return 0; } - card->info.layer2_mac_registered = 0; + card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; return 0; } @@ -5943,7 +5943,7 @@ static int qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac) { QETH_DBF_TEXT(trace, 2, "L2Delmac"); - if (!card->info.layer2_mac_registered) + if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) return 0; return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC, qeth_layer2_send_delmac_cb); @@ -5965,7 +5965,7 @@ qeth_layer2_set_mac_address(struct net_device *dev, void *p) card = (struct qeth_card *) dev->priv; if (!card->options.layer2) { - PRINT_WARN("Setting MAC address on %s is not supported" + PRINT_WARN("Setting MAC address on %s is not supported " "in Layer 3 mode.\n", dev->name); QETH_DBF_TEXT(trace, 3, "setmcLY3"); return -EOPNOTSUPP; @@ -6550,8 +6550,13 @@ qeth_setadpparms_change_macaddr_cb(struct qeth_card *card, QETH_DBF_TEXT(trace,4,"chgmaccb"); cmd = (struct qeth_ipa_cmd *) data; - memcpy(card->dev->dev_addr, - &cmd->data.setadapterparms.data.change_addr.addr,OSA_ADDR_LEN); + if (!card->options.layer2 || card->info.guestlan || + !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) { + memcpy(card->dev->dev_addr, + &cmd->data.setadapterparms.data.change_addr.addr, + OSA_ADDR_LEN); + card->info.mac_bits |= QETH_LAYER2_MAC_READ; + } qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); return 0; } -- 2.20.1