a60389abaa
Set default BLKT values for new OSA/3 hardware. Signed-off-by: Einar Lueck <elelueck@de.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
666 lines
16 KiB
C
666 lines
16 KiB
C
/*
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* drivers/s390/net/qeth_core_sys.c
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*
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* Copyright IBM Corp. 2007
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* Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
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* Frank Pavlic <fpavlic@de.ibm.com>,
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* Thomas Spatzier <tspat@de.ibm.com>,
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* Frank Blaschka <frank.blaschka@de.ibm.com>
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*/
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#include <linux/list.h>
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#include <linux/rwsem.h>
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#include <asm/ebcdic.h>
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#include "qeth_core.h"
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static ssize_t qeth_dev_state_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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if (!card)
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return -EINVAL;
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switch (card->state) {
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case CARD_STATE_DOWN:
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return sprintf(buf, "DOWN\n");
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case CARD_STATE_HARDSETUP:
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return sprintf(buf, "HARDSETUP\n");
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case CARD_STATE_SOFTSETUP:
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return sprintf(buf, "SOFTSETUP\n");
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case CARD_STATE_UP:
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if (card->lan_online)
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return sprintf(buf, "UP (LAN ONLINE)\n");
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else
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return sprintf(buf, "UP (LAN OFFLINE)\n");
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case CARD_STATE_RECOVER:
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return sprintf(buf, "RECOVER\n");
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default:
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return sprintf(buf, "UNKNOWN\n");
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}
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}
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static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
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static ssize_t qeth_dev_chpid_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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if (!card)
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return -EINVAL;
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return sprintf(buf, "%02X\n", card->info.chpid);
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}
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static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
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static ssize_t qeth_dev_if_name_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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if (!card)
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return -EINVAL;
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return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
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}
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static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
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static ssize_t qeth_dev_card_type_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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if (!card)
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return -EINVAL;
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return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
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}
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static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
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static inline const char *qeth_get_bufsize_str(struct qeth_card *card)
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{
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if (card->qdio.in_buf_size == 16384)
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return "16k";
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else if (card->qdio.in_buf_size == 24576)
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return "24k";
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else if (card->qdio.in_buf_size == 32768)
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return "32k";
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else if (card->qdio.in_buf_size == 40960)
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return "40k";
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else
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return "64k";
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}
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static ssize_t qeth_dev_inbuf_size_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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if (!card)
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return -EINVAL;
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return sprintf(buf, "%s\n", qeth_get_bufsize_str(card));
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}
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static DEVICE_ATTR(inbuf_size, 0444, qeth_dev_inbuf_size_show, NULL);
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static ssize_t qeth_dev_portno_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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if (!card)
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return -EINVAL;
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return sprintf(buf, "%i\n", card->info.portno);
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}
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static ssize_t qeth_dev_portno_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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char *tmp;
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unsigned int portno, limit;
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if (!card)
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return -EINVAL;
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if ((card->state != CARD_STATE_DOWN) &&
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(card->state != CARD_STATE_RECOVER))
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return -EPERM;
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portno = simple_strtoul(buf, &tmp, 16);
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if (portno > QETH_MAX_PORTNO)
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return -EINVAL;
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limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
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if (portno > limit)
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return -EINVAL;
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card->info.portno = portno;
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return count;
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}
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static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
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static ssize_t qeth_dev_portname_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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char portname[9] = {0, };
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if (!card)
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return -EINVAL;
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if (card->info.portname_required) {
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memcpy(portname, card->info.portname + 1, 8);
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EBCASC(portname, 8);
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return sprintf(buf, "%s\n", portname);
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} else
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return sprintf(buf, "no portname required\n");
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}
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static ssize_t qeth_dev_portname_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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char *tmp;
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int i;
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if (!card)
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return -EINVAL;
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if ((card->state != CARD_STATE_DOWN) &&
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(card->state != CARD_STATE_RECOVER))
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return -EPERM;
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tmp = strsep((char **) &buf, "\n");
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if ((strlen(tmp) > 8) || (strlen(tmp) == 0))
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return -EINVAL;
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card->info.portname[0] = strlen(tmp);
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/* for beauty reasons */
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for (i = 1; i < 9; i++)
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card->info.portname[i] = ' ';
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strcpy(card->info.portname + 1, tmp);
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ASCEBC(card->info.portname + 1, 8);
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return count;
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}
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static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
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qeth_dev_portname_store);
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static ssize_t qeth_dev_prioqing_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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if (!card)
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return -EINVAL;
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switch (card->qdio.do_prio_queueing) {
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case QETH_PRIO_Q_ING_PREC:
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return sprintf(buf, "%s\n", "by precedence");
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case QETH_PRIO_Q_ING_TOS:
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return sprintf(buf, "%s\n", "by type of service");
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default:
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return sprintf(buf, "always queue %i\n",
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card->qdio.default_out_queue);
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}
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}
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static ssize_t qeth_dev_prioqing_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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char *tmp;
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if (!card)
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return -EINVAL;
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if ((card->state != CARD_STATE_DOWN) &&
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(card->state != CARD_STATE_RECOVER))
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return -EPERM;
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/* check if 1920 devices are supported ,
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* if though we have to permit priority queueing
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*/
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if (card->qdio.no_out_queues == 1) {
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card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
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return -EPERM;
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}
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tmp = strsep((char **) &buf, "\n");
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if (!strcmp(tmp, "prio_queueing_prec"))
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card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
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else if (!strcmp(tmp, "prio_queueing_tos"))
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card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
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else if (!strcmp(tmp, "no_prio_queueing:0")) {
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card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
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card->qdio.default_out_queue = 0;
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} else if (!strcmp(tmp, "no_prio_queueing:1")) {
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card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
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card->qdio.default_out_queue = 1;
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} else if (!strcmp(tmp, "no_prio_queueing:2")) {
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card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
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card->qdio.default_out_queue = 2;
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} else if (!strcmp(tmp, "no_prio_queueing:3")) {
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card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
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card->qdio.default_out_queue = 3;
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} else if (!strcmp(tmp, "no_prio_queueing")) {
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card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
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card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
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} else {
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return -EINVAL;
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}
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return count;
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}
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static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
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qeth_dev_prioqing_store);
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static ssize_t qeth_dev_bufcnt_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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if (!card)
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return -EINVAL;
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return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
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}
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static ssize_t qeth_dev_bufcnt_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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char *tmp;
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int cnt, old_cnt;
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int rc;
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if (!card)
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return -EINVAL;
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if ((card->state != CARD_STATE_DOWN) &&
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(card->state != CARD_STATE_RECOVER))
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return -EPERM;
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old_cnt = card->qdio.in_buf_pool.buf_count;
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cnt = simple_strtoul(buf, &tmp, 10);
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cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
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((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
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if (old_cnt != cnt) {
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rc = qeth_realloc_buffer_pool(card, cnt);
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}
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return count;
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}
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static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
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qeth_dev_bufcnt_store);
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static ssize_t qeth_dev_recover_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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char *tmp;
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int i;
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if (!card)
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return -EINVAL;
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if (card->state != CARD_STATE_UP)
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return -EPERM;
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i = simple_strtoul(buf, &tmp, 16);
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if (i == 1)
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qeth_schedule_recovery(card);
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return count;
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}
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static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
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static ssize_t qeth_dev_performance_stats_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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if (!card)
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return -EINVAL;
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return sprintf(buf, "%i\n", card->options.performance_stats ? 1:0);
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}
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static ssize_t qeth_dev_performance_stats_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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char *tmp;
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int i;
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if (!card)
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return -EINVAL;
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i = simple_strtoul(buf, &tmp, 16);
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if ((i == 0) || (i == 1)) {
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if (i == card->options.performance_stats)
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return count;
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card->options.performance_stats = i;
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if (i == 0)
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memset(&card->perf_stats, 0,
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sizeof(struct qeth_perf_stats));
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card->perf_stats.initial_rx_packets = card->stats.rx_packets;
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card->perf_stats.initial_tx_packets = card->stats.tx_packets;
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} else {
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return -EINVAL;
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}
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return count;
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}
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static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
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qeth_dev_performance_stats_store);
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static ssize_t qeth_dev_layer2_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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if (!card)
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return -EINVAL;
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return sprintf(buf, "%i\n", card->options.layer2);
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}
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static ssize_t qeth_dev_layer2_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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char *tmp;
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int i, rc;
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enum qeth_discipline_id newdis;
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if (!card)
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return -EINVAL;
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if (((card->state != CARD_STATE_DOWN) &&
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(card->state != CARD_STATE_RECOVER)))
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return -EPERM;
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i = simple_strtoul(buf, &tmp, 16);
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switch (i) {
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case 0:
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newdis = QETH_DISCIPLINE_LAYER3;
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break;
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case 1:
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newdis = QETH_DISCIPLINE_LAYER2;
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break;
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default:
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return -EINVAL;
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}
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if (card->options.layer2 == newdis) {
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return count;
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} else {
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if (card->discipline.ccwgdriver) {
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card->discipline.ccwgdriver->remove(card->gdev);
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qeth_core_free_discipline(card);
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}
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}
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rc = qeth_core_load_discipline(card, newdis);
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if (rc)
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return rc;
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rc = card->discipline.ccwgdriver->probe(card->gdev);
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if (rc)
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return rc;
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return count;
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}
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static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
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qeth_dev_layer2_store);
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#define ATTR_QETH_ISOLATION_NONE ("none")
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#define ATTR_QETH_ISOLATION_FWD ("forward")
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#define ATTR_QETH_ISOLATION_DROP ("drop")
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static ssize_t qeth_dev_isolation_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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if (!card)
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return -EINVAL;
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switch (card->options.isolation) {
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case ISOLATION_MODE_NONE:
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return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE);
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case ISOLATION_MODE_FWD:
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return snprintf(buf, 9, "%s\n", ATTR_QETH_ISOLATION_FWD);
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case ISOLATION_MODE_DROP:
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return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_DROP);
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default:
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return snprintf(buf, 5, "%s\n", "N/A");
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}
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}
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static ssize_t qeth_dev_isolation_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct qeth_card *card = dev_get_drvdata(dev);
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enum qeth_ipa_isolation_modes isolation;
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int rc = 0;
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char *tmp, *curtoken;
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curtoken = (char *) buf;
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if (!card) {
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rc = -EINVAL;
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goto out;
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}
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/* check for unknown, too, in case we do not yet know who we are */
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if (card->info.type != QETH_CARD_TYPE_OSAE &&
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card->info.type != QETH_CARD_TYPE_UNKNOWN) {
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rc = -EOPNOTSUPP;
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dev_err(&card->gdev->dev, "Adapter does not "
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"support QDIO data connection isolation\n");
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goto out;
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}
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/* parse input into isolation mode */
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tmp = strsep(&curtoken, "\n");
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if (!strcmp(tmp, ATTR_QETH_ISOLATION_NONE)) {
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isolation = ISOLATION_MODE_NONE;
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} else if (!strcmp(tmp, ATTR_QETH_ISOLATION_FWD)) {
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isolation = ISOLATION_MODE_FWD;
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} else if (!strcmp(tmp, ATTR_QETH_ISOLATION_DROP)) {
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isolation = ISOLATION_MODE_DROP;
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} else {
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rc = -EINVAL;
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goto out;
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}
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rc = count;
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/* defer IP assist if device is offline (until discipline->set_online)*/
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card->options.isolation = isolation;
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if (card->state == CARD_STATE_SOFTSETUP ||
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card->state == CARD_STATE_UP) {
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int ipa_rc = qeth_set_access_ctrl_online(card);
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if (ipa_rc != 0)
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rc = ipa_rc;
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}
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out:
|
|
return rc;
|
|
}
|
|
|
|
static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
|
|
qeth_dev_isolation_store);
|
|
|
|
static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value)
|
|
{
|
|
|
|
if (!card)
|
|
return -EINVAL;
|
|
|
|
return sprintf(buf, "%i\n", value);
|
|
}
|
|
|
|
static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
|
|
const char *buf, size_t count, int *value, int max_value)
|
|
{
|
|
char *tmp;
|
|
int i;
|
|
|
|
if (!card)
|
|
return -EINVAL;
|
|
|
|
if ((card->state != CARD_STATE_DOWN) &&
|
|
(card->state != CARD_STATE_RECOVER))
|
|
return -EPERM;
|
|
|
|
i = simple_strtoul(buf, &tmp, 10);
|
|
if (i <= max_value) {
|
|
*value = i;
|
|
} else {
|
|
return -EINVAL;
|
|
}
|
|
return count;
|
|
}
|
|
|
|
static ssize_t qeth_dev_blkt_total_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct qeth_card *card = dev_get_drvdata(dev);
|
|
|
|
return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
|
|
}
|
|
|
|
static ssize_t qeth_dev_blkt_total_store(struct device *dev,
|
|
struct device_attribute *attr, const char *buf, size_t count)
|
|
{
|
|
struct qeth_card *card = dev_get_drvdata(dev);
|
|
|
|
return qeth_dev_blkt_store(card, buf, count,
|
|
&card->info.blkt.time_total, 5000);
|
|
}
|
|
|
|
|
|
|
|
static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
|
|
qeth_dev_blkt_total_store);
|
|
|
|
static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct qeth_card *card = dev_get_drvdata(dev);
|
|
|
|
return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
|
|
}
|
|
|
|
static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
|
|
struct device_attribute *attr, const char *buf, size_t count)
|
|
{
|
|
struct qeth_card *card = dev_get_drvdata(dev);
|
|
|
|
return qeth_dev_blkt_store(card, buf, count,
|
|
&card->info.blkt.inter_packet, 1000);
|
|
}
|
|
|
|
static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
|
|
qeth_dev_blkt_inter_store);
|
|
|
|
static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct qeth_card *card = dev_get_drvdata(dev);
|
|
|
|
return qeth_dev_blkt_show(buf, card,
|
|
card->info.blkt.inter_packet_jumbo);
|
|
}
|
|
|
|
static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
|
|
struct device_attribute *attr, const char *buf, size_t count)
|
|
{
|
|
struct qeth_card *card = dev_get_drvdata(dev);
|
|
|
|
return qeth_dev_blkt_store(card, buf, count,
|
|
&card->info.blkt.inter_packet_jumbo, 1000);
|
|
}
|
|
|
|
static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
|
|
qeth_dev_blkt_inter_jumbo_store);
|
|
|
|
static struct attribute *qeth_blkt_device_attrs[] = {
|
|
&dev_attr_total.attr,
|
|
&dev_attr_inter.attr,
|
|
&dev_attr_inter_jumbo.attr,
|
|
NULL,
|
|
};
|
|
|
|
static struct attribute_group qeth_device_blkt_group = {
|
|
.name = "blkt",
|
|
.attrs = qeth_blkt_device_attrs,
|
|
};
|
|
|
|
static struct attribute *qeth_device_attrs[] = {
|
|
&dev_attr_state.attr,
|
|
&dev_attr_chpid.attr,
|
|
&dev_attr_if_name.attr,
|
|
&dev_attr_card_type.attr,
|
|
&dev_attr_inbuf_size.attr,
|
|
&dev_attr_portno.attr,
|
|
&dev_attr_portname.attr,
|
|
&dev_attr_priority_queueing.attr,
|
|
&dev_attr_buffer_count.attr,
|
|
&dev_attr_recover.attr,
|
|
&dev_attr_performance_stats.attr,
|
|
&dev_attr_layer2.attr,
|
|
&dev_attr_isolation.attr,
|
|
NULL,
|
|
};
|
|
|
|
static struct attribute_group qeth_device_attr_group = {
|
|
.attrs = qeth_device_attrs,
|
|
};
|
|
|
|
static struct attribute *qeth_osn_device_attrs[] = {
|
|
&dev_attr_state.attr,
|
|
&dev_attr_chpid.attr,
|
|
&dev_attr_if_name.attr,
|
|
&dev_attr_card_type.attr,
|
|
&dev_attr_buffer_count.attr,
|
|
&dev_attr_recover.attr,
|
|
NULL,
|
|
};
|
|
|
|
static struct attribute_group qeth_osn_device_attr_group = {
|
|
.attrs = qeth_osn_device_attrs,
|
|
};
|
|
|
|
int qeth_core_create_device_attributes(struct device *dev)
|
|
{
|
|
int ret;
|
|
ret = sysfs_create_group(&dev->kobj, &qeth_device_attr_group);
|
|
if (ret)
|
|
return ret;
|
|
ret = sysfs_create_group(&dev->kobj, &qeth_device_blkt_group);
|
|
if (ret)
|
|
sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void qeth_core_remove_device_attributes(struct device *dev)
|
|
{
|
|
sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
|
|
sysfs_remove_group(&dev->kobj, &qeth_device_blkt_group);
|
|
}
|
|
|
|
int qeth_core_create_osn_attributes(struct device *dev)
|
|
{
|
|
return sysfs_create_group(&dev->kobj, &qeth_osn_device_attr_group);
|
|
}
|
|
|
|
void qeth_core_remove_osn_attributes(struct device *dev)
|
|
{
|
|
sysfs_remove_group(&dev->kobj, &qeth_osn_device_attr_group);
|
|
return;
|
|
}
|