Release 4.7 drivers/s390/net/qeth_l2_main.c

Directory: drivers/s390/net
/*
 *    Copyright IBM Corp. 2007, 2009
 *    Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
 *               Frank Pavlic <fpavlic@de.ibm.com>,
 *               Thomas Spatzier <tspat@de.ibm.com>,
 *               Frank Blaschka <frank.blaschka@de.ibm.com>
 */


#define KMSG_COMPONENT "qeth"

#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/etherdevice.h>
#include <linux/mii.h>
#include <linux/ip.h>
#include <linux/list.h>
#include <linux/hash.h>
#include <linux/hashtable.h>
#include <linux/string.h>
#include "qeth_core.h"
#include "qeth_l2.h"

static int qeth_l2_set_offline(struct ccwgroup_device *);
static int qeth_l2_stop(struct net_device *);
static int qeth_l2_send_delmac(struct qeth_card *, __u8 *);
static int qeth_l2_send_setdelmac(struct qeth_card *, __u8 *,
			   enum qeth_ipa_cmds);
static void qeth_l2_set_rx_mode(struct net_device *);
static int qeth_l2_recover(void *);
static void qeth_bridgeport_query_support(struct qeth_card *card);
static void qeth_bridge_state_change(struct qeth_card *card,
					struct qeth_ipa_cmd *cmd);
static void qeth_bridge_host_event(struct qeth_card *card,
					struct qeth_ipa_cmd *cmd);



static int qeth_l2_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
	struct qeth_card *card = dev->ml_priv;
	struct mii_ioctl_data *mii_data;
	int rc = 0;

	if (!card)
		return -ENODEV;

	if (!qeth_card_hw_is_reachable(card))
		return -ENODEV;

	if (card->info.type == QETH_CARD_TYPE_OSN)
		return -EPERM;

	switch (cmd) {
	case SIOC_QETH_ADP_SET_SNMP_CONTROL:
		rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
		break;
	case SIOC_QETH_GET_CARD_TYPE:
		if ((card->info.type == QETH_CARD_TYPE_OSD ||
		     card->info.type == QETH_CARD_TYPE_OSM ||
		     card->info.type == QETH_CARD_TYPE_OSX) &&
		    !card->info.guestlan)
			return 1;
		return 0;
		break;
	case SIOCGMIIPHY:
		mii_data = if_mii(rq);
		mii_data->phy_id = 0;
		break;
	case SIOCGMIIREG:
		mii_data = if_mii(rq);
		if (mii_data->phy_id != 0)
			rc = -EINVAL;
		else
			mii_data->val_out = qeth_mdio_read(dev,
				mii_data->phy_id, mii_data->reg_num);
		break;
	case SIOC_QETH_QUERY_OAT:
		rc = qeth_query_oat_command(card, rq->ifr_ifru.ifru_data);
		break;
	default:
		rc = -EOPNOTSUPP;
	}
	if (rc)
		QETH_CARD_TEXT_(card, 2, "ioce%d", rc);
	return rc;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 216 89.63% 2 33.33%
ursula braun ursula braun 17 7.05% 1 16.67%
eugene crosser eugene crosser 4 1.66% 1 16.67%
heiko carstens heiko carstens 2 0.83% 1 16.67%
carsten otte carsten otte 2 0.83% 1 16.67%
Total 241 100.00% 6 100.00%



static int qeth_l2_verify_dev(struct net_device *dev)
{
	struct qeth_card *card;
	unsigned long flags;
	int rc = 0;

	read_lock_irqsave(&qeth_core_card_list.rwlock, flags);
	list_for_each_entry(card, &qeth_core_card_list.list, list) {
		if (card->dev == dev) {
			rc = QETH_REAL_CARD;
			break;
		}
	}
	read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags);

	return rc;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 73 100.00% 1 100.00%
Total 73 100.00% 1 100.00%



static struct net_device *qeth_l2_netdev_by_devno(unsigned char *read_dev_no)
{
	struct qeth_card *card;
	struct net_device *ndev;
	__u16 temp_dev_no;
	unsigned long flags;
	struct ccw_dev_id read_devid;

	ndev = NULL;
	memcpy(&temp_dev_no, read_dev_no, 2);
	read_lock_irqsave(&qeth_core_card_list.rwlock, flags);
	list_for_each_entry(card, &qeth_core_card_list.list, list) {
		ccw_device_get_id(CARD_RDEV(card), &read_devid);
		if (read_devid.devno == temp_dev_no) {
			ndev = card->dev;
			break;
		}
	}
	read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags);
	return ndev;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 98 89.91% 1 50.00%
cornelia huck cornelia huck 11 10.09% 1 50.00%
Total 109 100.00% 2 100.00%



static int qeth_setdel_makerc(struct qeth_card *card, int retcode)
{
	int rc;

	if (retcode)
		QETH_CARD_TEXT_(card, 2, "err%04x", retcode);
	switch (retcode) {
	case IPA_RC_SUCCESS:
		rc = 0;
		break;
	case IPA_RC_L2_UNSUPPORTED_CMD:
		rc = -EOPNOTSUPP;
		break;
	case IPA_RC_L2_ADDR_TABLE_FULL:
		rc = -ENOSPC;
		break;
	case IPA_RC_L2_DUP_MAC:
	case IPA_RC_L2_DUP_LAYER3_MAC:
		rc = -EEXIST;
		break;
	case IPA_RC_L2_MAC_NOT_AUTH_BY_HYP:
	case IPA_RC_L2_MAC_NOT_AUTH_BY_ADP:
		rc = -EPERM;
		break;
	case IPA_RC_L2_MAC_NOT_FOUND:
		rc = -ENOENT;
		break;
	case -ENOMEM:
		rc = -ENOMEM;
		break;
	default:
		rc = -EIO;
		break;
	}
	return rc;
}

Contributors
Person Tokens Prop Commits CommitProp
eugene crosser eugene crosser 76 64.96% 2 33.33%
frank blaschka frank blaschka 28 23.93% 1 16.67%
thomas richter thomas richter 11 9.40% 1 16.67%
carsten otte carsten otte 1 0.85% 1 16.67%
ursula braun ursula braun 1 0.85% 1 16.67%
Total 117 100.00% 6 100.00%



static int qeth_l2_send_setgroupmac(struct qeth_card *card, __u8 *mac)
{
	int rc;

	QETH_CARD_TEXT(card, 2, "L2Sgmac");
	rc = qeth_setdel_makerc(card, qeth_l2_send_setdelmac(card, mac,
					IPA_CMD_SETGMAC));
	if (rc == -EEXIST)
		QETH_DBF_MESSAGE(2, "Group MAC %pM already existing on %s\n",
			mac, QETH_CARD_IFNAME(card));
	else if (rc)
		QETH_DBF_MESSAGE(2, "Could not set group MAC %pM on %s: %d\n",
			mac, QETH_CARD_IFNAME(card), rc);
	return rc;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 69 78.41% 2 50.00%
eugene crosser eugene crosser 17 19.32% 1 25.00%
carsten otte carsten otte 2 2.27% 1 25.00%
Total 88 100.00% 4 100.00%



static int qeth_l2_send_delgroupmac(struct qeth_card *card, __u8 *mac)
{
	int rc;

	QETH_CARD_TEXT(card, 2, "L2Dgmac");
	rc = qeth_setdel_makerc(card, qeth_l2_send_setdelmac(card, mac,
					IPA_CMD_DELGMAC));
	if (rc)
		QETH_DBF_MESSAGE(2,
			"Could not delete group MAC %pM on %s: %d\n",
			mac, QETH_CARD_IFNAME(card), rc);
	return rc;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 33 50.00% 1 33.33%
eugene crosser eugene crosser 31 46.97% 1 33.33%
carsten otte carsten otte 2 3.03% 1 33.33%
Total 66 100.00% 3 100.00%



static inline u32 qeth_l2_mac_hash(const u8 *addr)
{
	return get_unaligned((u32 *)(&addr[2]));
}

Contributors
Person Tokens Prop Commits CommitProp
lakhvich dmitriy lakhvich dmitriy 27 96.43% 1 50.00%
frank blaschka frank blaschka 1 3.57% 1 50.00%
Total 28 100.00% 2 100.00%



static int qeth_l2_write_mac(struct qeth_card *card, struct qeth_mac *mac)
{

	int rc;

	if (mac->is_uc) {
		rc = qeth_setdel_makerc(card,
				qeth_l2_send_setdelmac(card, mac->mac_addr,
						IPA_CMD_SETVMAC));
	} else {
		rc = qeth_setdel_makerc(card,
				qeth_l2_send_setgroupmac(card, mac->mac_addr));
	}
	return rc;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 45 67.16% 2 50.00%
lakhvich dmitriy lakhvich dmitriy 12 17.91% 1 25.00%
eugene crosser eugene crosser 10 14.93% 1 25.00%
Total 67 100.00% 4 100.00%



static void qeth_l2_del_all_macs(struct qeth_card *card, int del)
{
	struct qeth_mac *mac;
	struct hlist_node *tmp;
	int i;

	spin_lock_bh(&card->mclock);
	hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) {
		if (del) {
			if (mac->is_uc)
				qeth_l2_send_setdelmac(card, mac->mac_addr,
						IPA_CMD_DELVMAC);
			else
				qeth_l2_send_delgroupmac(card, mac->mac_addr);
		}
		hash_del(&mac->hnode);
		kfree(mac);
	}
	spin_unlock_bh(&card->mclock);
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 69 66.99% 2 50.00%
lakhvich dmitriy lakhvich dmitriy 25 24.27% 1 25.00%
ursula braun ursula braun 9 8.74% 1 25.00%
Total 103 100.00% 4 100.00%



static inline int qeth_l2_get_cast_type(struct qeth_card *card,
			struct sk_buff *skb)
{
	if (card->info.type == QETH_CARD_TYPE_OSN)
		return RTN_UNSPEC;
	if (is_broadcast_ether_addr(skb->data))
		return RTN_BROADCAST;
	if (is_multicast_ether_addr(skb->data))
		return RTN_MULTICAST;
	return RTN_UNSPEC;
}

Contributors
Person Tokens Prop Commits CommitProp
klaus-dieter wacker klaus-dieter wacker 30 52.63% 1 50.00%
frank blaschka frank blaschka 27 47.37% 1 50.00%
Total 57 100.00% 2 100.00%



static inline void qeth_l2_hdr_csum(struct qeth_card *card,
				    struct qeth_hdr *hdr, struct sk_buff *skb)
{
	struct iphdr *iph = ip_hdr(skb);

	/* tcph->check contains already the pseudo hdr checksum
         * so just set the header flags
         */
	if (iph->protocol == IPPROTO_UDP)
		hdr->hdr.l2.flags[1] |= QETH_HDR_EXT_UDP;
	hdr->hdr.l2.flags[1] |= QETH_HDR_EXT_CSUM_TRANSP_REQ |
		QETH_HDR_EXT_CSUM_HDR_REQ;
	iph->check = 0;
	if (card->options.performance_stats)
		card->perf_stats.tx_csum++;
}

Contributors
Person Tokens Prop Commits CommitProp
thomas richter thomas richter 90 100.00% 1 100.00%
Total 90 100.00% 1 100.00%



static void qeth_l2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
			struct sk_buff *skb, int cast_type)
{
	struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb_mac_header(skb);

	memset(hdr, 0, sizeof(struct qeth_hdr));
	hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2;

	/* set byte byte 3 to casting flags */
	if (cast_type == RTN_MULTICAST)
		hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST;
	else if (cast_type == RTN_BROADCAST)
		hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST;
	else
		hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST;

	hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
	/* VSWITCH relies on the VLAN
         * information to be present in
         * the QDIO header */
	if (veth->h_vlan_proto == __constant_htons(ETH_P_8021Q)) {
		hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_VLAN;
		hdr->hdr.l2.vlan_id = ntohs(veth->h_vlan_TCI);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 161 93.60% 2 66.67%
klaus-dieter wacker klaus-dieter wacker 11 6.40% 1 33.33%
Total 172 100.00% 3 100.00%



static int qeth_l2_send_setdelvlan_cb(struct qeth_card *card,
			struct qeth_reply *reply, unsigned long data)
{
	struct qeth_ipa_cmd *cmd;

	QETH_CARD_TEXT(card, 2, "L2sdvcb");
	cmd = (struct qeth_ipa_cmd *) data;
	if (cmd->hdr.return_code) {
		QETH_DBF_MESSAGE(2, "Error in processing VLAN %i on %s: 0x%x. "
			  "Continuing\n", cmd->data.setdelvlan.vlan_id,
			  QETH_CARD_IFNAME(card), cmd->hdr.return_code);
		QETH_CARD_TEXT_(card, 2, "L2VL%4x", cmd->hdr.command);
		QETH_CARD_TEXT_(card, 2, "err%d", cmd->hdr.return_code);
	}
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 108 95.58% 2 66.67%
carsten otte carsten otte 5 4.42% 1 33.33%
Total 113 100.00% 3 100.00%



static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i,
				enum qeth_ipa_cmds ipacmd)
{
	struct qeth_ipa_cmd *cmd;
	struct qeth_cmd_buffer *iob;

	QETH_CARD_TEXT_(card, 4, "L2sdv%x", ipacmd);
	iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
	if (!iob)
		return -ENOMEM;
	cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
	cmd->data.setdelvlan.vlan_id = i;
	return qeth_send_ipa_cmd(card, iob,
				 qeth_l2_send_setdelvlan_cb, NULL);
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 85 88.54% 1 33.33%
thomas richter thomas richter 9 9.38% 1 33.33%
carsten otte carsten otte 2 2.08% 1 33.33%
Total 96 100.00% 3 100.00%



static void qeth_l2_process_vlans(struct qeth_card *card)
{
	struct qeth_vlan_vid *id;
	QETH_CARD_TEXT(card, 3, "L2prcvln");
	spin_lock_bh(&card->vlanlock);
	list_for_each_entry(id, &card->vid_list, list) {
		qeth_l2_send_setdelvlan(card, id->vid, IPA_CMD_SETVLAN);
	}
	spin_unlock_bh(&card->vlanlock);
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 60 96.77% 1 50.00%
carsten otte carsten otte 2 3.23% 1 50.00%
Total 62 100.00% 2 100.00%



static int qeth_l2_vlan_rx_add_vid(struct net_device *dev,
				   __be16 proto, u16 vid)
{
	struct qeth_card *card = dev->ml_priv;
	struct qeth_vlan_vid *id;
	int rc;

	QETH_CARD_TEXT_(card, 4, "aid:%d", vid);
	if (!vid)
		return 0;
	if (card->info.type == QETH_CARD_TYPE_OSM) {
		QETH_CARD_TEXT(card, 3, "aidOSM");
		return 0;
	}
	if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
		QETH_CARD_TEXT(card, 3, "aidREC");
		return 0;
	}
	id = kmalloc(sizeof(struct qeth_vlan_vid), GFP_ATOMIC);
	if (id) {
		id->vid = vid;
		rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN);
		if (rc) {
			kfree(id);
			return rc;
		}
		spin_lock_bh(&card->vlanlock);
		list_add_tail(&id->list, &card->vid_list);
		spin_unlock_bh(&card->vlanlock);
	} else {
		return -ENOMEM;
	}
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 96 50.79% 1 11.11%
ursula braun ursula braun 42 22.22% 3 33.33%
jiri pirko jiri pirko 20 10.58% 1 11.11%
thomas richter thomas richter 19 10.05% 1 11.11%
carsten otte carsten otte 6 3.17% 1 11.11%
patrick mchardy patrick mchardy 4 2.12% 1 11.11%
heiko carstens heiko carstens 2 1.06% 1 11.11%
Total 189 100.00% 9 100.00%



static int qeth_l2_vlan_rx_kill_vid(struct net_device *dev,
				    __be16 proto, u16 vid)
{
	struct qeth_vlan_vid *id, *tmpid = NULL;
	struct qeth_card *card = dev->ml_priv;
	int rc = 0;

	QETH_CARD_TEXT_(card, 4, "kid:%d", vid);
	if (card->info.type == QETH_CARD_TYPE_OSM) {
		QETH_CARD_TEXT(card, 3, "kidOSM");
		return 0;
	}
	if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
		QETH_CARD_TEXT(card, 3, "kidREC");
		return 0;
	}
	spin_lock_bh(&card->vlanlock);
	list_for_each_entry(id, &card->vid_list, list) {
		if (id->vid == vid) {
			list_del(&id->list);
			tmpid = id;
			break;
		}
	}
	spin_unlock_bh(&card->vlanlock);
	if (tmpid) {
		rc = qeth_l2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN);
		kfree(tmpid);
	}
	qeth_l2_set_rx_mode(card->dev);
	return rc;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 113 62.78% 1 11.11%
ursula braun ursula braun 37 20.56% 2 22.22%
jiri pirko jiri pirko 9 5.00% 1 11.11%
thomas richter thomas richter 8 4.44% 1 11.11%
carsten otte carsten otte 6 3.33% 1 11.11%
patrick mchardy patrick mchardy 4 2.22% 1 11.11%
heiko carstens heiko carstens 2 1.11% 1 11.11%
lakhvich dmitriy lakhvich dmitriy 1 0.56% 1 11.11%
Total 180 100.00% 9 100.00%



static netdev_features_t qeth_l2_fix_features(struct net_device *dev,
					      netdev_features_t features)
{
	struct qeth_card *card = dev->ml_priv;

	QETH_DBF_TEXT(SETUP, 2, "fixfeat");
	if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM))
		features &= ~NETIF_F_IP_CSUM;
	if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM))
		features &= ~NETIF_F_RXCSUM;
	QETH_DBF_HEX(SETUP, 2, &features, sizeof(features));
	return features;
}

Contributors
Person Tokens Prop Commits CommitProp
thomas richter thomas richter 80 100.00% 1 100.00%
Total 80 100.00% 1 100.00%



static int qeth_l2_set_features(struct net_device *dev,
				netdev_features_t features)
{
	struct qeth_card *card = dev->ml_priv;
	netdev_features_t changed = dev->features ^ features;

	QETH_DBF_TEXT(SETUP, 2, "setfeat");
	QETH_DBF_HEX(SETUP, 2, &features, sizeof(features));

	if (card->state == CARD_STATE_DOWN ||
	    card->state == CARD_STATE_RECOVER)
		return 0;

	if (!(changed & NETIF_F_RXCSUM))
		return 0;
	return qeth_set_rx_csum(card, features & NETIF_F_RXCSUM ? 1 : 0);
}

Contributors
Person Tokens Prop Commits CommitProp
thomas richter thomas richter 99 100.00% 1 100.00%
Total 99 100.00% 1 100.00%



static void qeth_l2_stop_card(struct qeth_card *card, int recovery_mode)
{
	QETH_DBF_TEXT(SETUP , 2, "stopcard");
	QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));

	qeth_set_allowed_threads(card, 0, 1);
	if (card->read.state == CH_STATE_UP &&
	    card->write.state == CH_STATE_UP &&
	    (card->state == CARD_STATE_UP)) {
		if (recovery_mode &&
		    card->info.type != QETH_CARD_TYPE_OSN) {
			qeth_l2_stop(card->dev);
		} else {
			rtnl_lock();
			dev_close(card->dev);
			rtnl_unlock();
		}
		card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
		card->state = CARD_STATE_SOFTSETUP;
	}
	if (card->state == CARD_STATE_SOFTSETUP) {
		qeth_l2_del_all_macs(card, 0);
		qeth_clear_ipacmd_list(card);
		card->state = CARD_STATE_HARDSETUP;
	}
	if (card->state == CARD_STATE_HARDSETUP) {
		qeth_qdio_clear_card(card, 0);
		qeth_clear_qdio_buffers(card);
		qeth_clear_working_pool_list(card);
		card->state = CARD_STATE_DOWN;
	}
	if (card->state == CARD_STATE_DOWN) {
		qeth_clear_cmd_buffers(&card->read);
		qeth_clear_cmd_buffers(&card->write);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 203 94.42% 1 20.00%
ursula braun ursula braun 8 3.72% 1 20.00%
peter tiedemann peter tiedemann 2 0.93% 1 20.00%
lakhvich dmitriy lakhvich dmitriy 1 0.47% 1 20.00%
peter senna tschudin peter senna tschudin 1 0.47% 1 20.00%
Total 215 100.00% 5 100.00%



static int qeth_l2_process_inbound_buffer(struct qeth_card *card,
				int budget, int *done)
{
	int work_done = 0;
	struct sk_buff *skb;
	struct qeth_hdr *hdr;
	unsigned int len;

	*done = 0;
	WARN_ON_ONCE(!budget);
	while (budget) {
		skb = qeth_core_get_next_skb(card,
			&card->qdio.in_q->bufs[card->rx.b_index],
			&card->rx.b_element, &card->rx.e_offset, &hdr);
		if (!skb) {
			*done = 1;
			break;
		}
		skb->dev = card->dev;
		switch (hdr->hdr.l2.id) {
		case QETH_HEADER_TYPE_LAYER2:
			skb->pkt_type = PACKET_HOST;
			skb->protocol = eth_type_trans(skb, skb->dev);
			if ((card->dev->features & NETIF_F_RXCSUM)
			   && ((hdr->hdr.l2.flags[1] &
				(QETH_HDR_EXT_CSUM_HDR_REQ |
				   QETH_HDR_EXT_CSUM_TRANSP_REQ)) ==
				(QETH_HDR_EXT_CSUM_HDR_REQ |
				   QETH_HDR_EXT_CSUM_TRANSP_REQ)))
				skb->ip_summed = CHECKSUM_UNNECESSARY;
			else
				skb->ip_summed = CHECKSUM_NONE;
			if (skb->protocol == htons(ETH_P_802_2))
				*((__u32 *)skb->cb) = ++card->seqno.pkt_seqno;
			len = skb->len;
			napi_gro_receive(&card->napi, skb);
			break;
		case QETH_HEADER_TYPE_OSN:
			if (card->info.type == QETH_CARD_TYPE_OSN) {
				skb_push(skb, sizeof(struct qeth_hdr));
				skb_copy_to_linear_data(skb, hdr,
						sizeof(struct qeth_hdr));
				len = skb->len;
				card->osn_info.data_cb(skb);
				break;
			}
			/* else unknown */
		default:
			dev_kfree_skb_any(skb);
			QETH_CARD_TEXT(card, 3, "inbunkno");
			QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN);
			continue;
		}
		work_done++;
		budget--;
		card->stats.rx_packets++;
		card->stats.rx_bytes += len;
	}
	return work_done;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 273 77.12% 3 30.00%
thomas richter thomas richter 52 14.69% 2 20.00%
ursula braun ursula braun 13 3.67% 1 10.00%
ursula braun-krahl ursula braun-krahl 11 3.11% 1 10.00%
carsten otte carsten otte 2 0.56% 1 10.00%
peter tiedemann peter tiedemann 2 0.56% 1 10.00%
stefan raspl stefan raspl 1 0.28% 1 10.00%
Total 354 100.00% 10 100.00%



static int qeth_l2_poll(struct napi_struct *napi, int budget)
{
	struct qeth_card *card = container_of(napi, struct qeth_card, napi);
	int work_done = 0;
	struct qeth_qdio_buffer *buffer;
	int done;
	int new_budget = budget;

	if (card->options.performance_stats) {
		card->perf_stats.inbound_cnt++;
		card->perf_stats.inbound_start_time = qeth_get_micros();
	}

	while (1) {
		if (!card->rx.b_count) {
			card->rx.qdio_err = 0;
			card->rx.b_count = qdio_get_next_buffers(
				card->data.ccwdev, 0, &card->rx.b_index,
				&card->rx.qdio_err);
			if (card->rx.b_count <= 0) {
				card->rx.b_count = 0;
				break;
			}
			card->rx.b_element =
				&card->qdio.in_q->bufs[card->rx.b_index]
				.buffer->element[0];
			card->rx.e_offset = 0;
		}

		while (card->rx.b_count) {
			buffer = &card->qdio.in_q->bufs[card->rx.b_index];
			if (!(card->rx.qdio_err &&
			    qeth_check_qdio_errors(card, buffer->buffer,
			    card->rx.qdio_err, "qinerr")))
				work_done += qeth_l2_process_inbound_buffer(
					card, new_budget, &done);
			else
				done = 1;

			if (done) {
				if (card->options.performance_stats)
					card->perf_stats.bufs_rec++;
				qeth_put_buffer_pool_entry(card,
					buffer->pool_entry);
				qeth_queue_input_buffer(card, card->rx.b_index);
				card->rx.b_count--;
				if (card->rx.b_count) {
					card->rx.b_index =
						(card->rx.b_index + 1) %
						QDIO_MAX_BUFFERS_PER_Q;
					card->rx.b_element =
						&card->qdio.in_q
						->bufs[card->rx.b_index]
						.buffer->element[0];
					card->rx.e_offset = 0;
				}
			}

			if (work_done >= budget)
				goto out;
			else
				new_budget = budget - work_done;
		}
	}

	napi_complete(napi);
	if (qdio_start_irq(card->data.ccwdev, 0))
		napi_schedule(&card->napi);
out:
	if (card->options.performance_stats)
		card->perf_stats.inbound_time += qeth_get_micros() -
			card->perf_stats.inbound_start_time;
	return work_done;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 420 94.81% 3 60.00%
ursula braun ursula braun 20 4.51% 1 20.00%
carsten otte carsten otte 3 0.68% 1 20.00%
Total 443 100.00% 5 100.00%



static int qeth_l2_send_setdelmac(struct qeth_card *card, __u8 *mac,
			   enum qeth_ipa_cmds ipacmd)
{
	struct qeth_ipa_cmd *cmd;
	struct qeth_cmd_buffer *iob;

	QETH_CARD_TEXT(card, 2, "L2sdmac");
	iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4);
	if (!iob)
		return -ENOMEM;
	cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
	cmd->data.setdelmac.mac_length = OSA_ADDR_LEN;
	memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN);
	return qeth_send_ipa_cmd(card, iob, NULL, NULL);
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 99 89.19% 2 40.00%
thomas richter thomas richter 9 8.11% 1 20.00%
carsten otte carsten otte 2 1.80% 1 20.00%
eugene crosser eugene crosser 1 0.90% 1 20.00%
Total 111 100.00% 5 100.00%



static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac)
{
	int rc;

	QETH_CARD_TEXT(card, 2, "L2Setmac");
	rc = qeth_setdel_makerc(card, qeth_l2_send_setdelmac(card, mac,
					IPA_CMD_SETVMAC));
	if (rc == 0) {
		card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED;
		memcpy(card->dev->dev_addr, mac, OSA_ADDR_LEN);
		dev_info(&card->gdev->dev,
			"MAC address %pM successfully registered on device %s\n",
			card->dev->dev_addr, card->dev->name);
	} else {
		card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
		switch (rc) {
		case -EEXIST:
			dev_warn(&card->gdev->dev,
				"MAC address %pM already exists\n", mac);
			break;
		case -EPERM:
			dev_warn(&card->gdev->dev,
				"MAC address %pM is not authorized\n", mac);
			break;
		}
	}
	return rc;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 99 63.87% 2 40.00%
eugene crosser eugene crosser 43 27.74% 1 20.00%
carsten otte carsten otte 8 5.16% 1 20.00%
ursula braun ursula braun 5 3.23% 1 20.00%
Total 155 100.00% 5 100.00%



static int qeth_l2_send_delmac(struct qeth_card *card, __u8 *mac)
{
	int rc;

	QETH_CARD_TEXT(card, 2, "L2Delmac");
	if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))
		return 0;
	rc = qeth_setdel_makerc(card, qeth_l2_send_setdelmac(card, mac,
					IPA_CMD_DELVMAC));
	if (rc == 0)
		card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
	return rc;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 39 50.65% 2 33.33%
eugene crosser eugene crosser 28 36.36% 1 16.67%
ursula braun ursula braun 7 9.09% 1 16.67%
carsten otte carsten otte 2 2.60% 1 16.67%
jiri pirko jiri pirko 1 1.30% 1 16.67%
Total 77 100.00% 6 100.00%



static int qeth_l2_request_initial_mac(struct qeth_card *card)
{
	int rc = 0;
	char vendor_pre[] = {0x02, 0x00, 0x00};

	QETH_DBF_TEXT(SETUP, 2, "doL2init");
	QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card));

	if (qeth_is_supported(card, IPA_SETADAPTERPARMS)) {
		rc = qeth_query_setadapterparms(card);
		if (rc) {
			QETH_DBF_MESSAGE(2, "could not query adapter "
				"parameters on device %s: x%x\n",
				CARD_BUS_ID(card), rc);
		}
	}

	if (card->info.type == QETH_CARD_TYPE_IQD ||
	    card->info.type == QETH_CARD_TYPE_OSM ||
	    card->info.type == QETH_CARD_TYPE_OSX ||
	    card->info.guestlan) {
		rc = qeth_setadpparms_change_macaddr(card);
		if (rc) {
			QETH_DBF_MESSAGE(2, "couldn't get MAC address on "
				"device %s: x%x\n", CARD_BUS_ID(card), rc);
			QETH_DBF_TEXT_(SETUP, 2, "1err%04x", rc);
			return rc;
		}
		QETH_DBF_HEX(SETUP, 2, card->dev->dev_addr, OSA_ADDR_LEN);
	} else {
		eth_random_addr(card->dev->dev_addr);
		memcpy(card->dev->dev_addr, vendor_pre, 3);
	}
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 190 90.91% 3 37.50%
stefan raspl stefan raspl 13 6.22% 1 12.50%
jiri pirko jiri pirko 4 1.91% 2 25.00%
thomas richter thomas richter 1 0.48% 1 12.50%
joe perches joe perches 1 0.48% 1 12.50%
Total 209 100.00% 8 100.00%



static int qeth_l2_set_mac_address(struct net_device *dev, void *p)
{
	struct sockaddr *addr = p;
	struct qeth_card *card = dev->ml_priv;
	int rc = 0;

	QETH_CARD_TEXT(card, 3, "setmac");

	if (qeth_l2_verify_dev(dev) != QETH_REAL_CARD) {
		QETH_CARD_TEXT(card, 3, "setmcINV");
		return -EOPNOTSUPP;
	}

	if (card->info.type == QETH_CARD_TYPE_OSN ||
	    card->info.type == QETH_CARD_TYPE_OSM ||
	    card->info.type == QETH_CARD_TYPE_OSX) {
		QETH_CARD_TEXT(card, 3, "setmcTYP");
		return -EOPNOTSUPP;
	}
	QETH_CARD_HEX(card, 3, addr->sa_data, OSA_ADDR_LEN);
	if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
		QETH_CARD_TEXT(card, 3, "setmcREC");
		return -ERESTARTSYS;
	}
	rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]);
	if (!rc || (rc == -ENOENT))
		rc = qeth_l2_send_setmac(card, addr->sa_data);
	return rc ? -EINVAL : 0;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 181 92.82% 3 42.86%
ursula braun ursula braun 10 5.13% 2 28.57%
eugene crosser eugene crosser 2 1.03% 1 14.29%
heiko carstens heiko carstens 2 1.03% 1 14.29%
Total 195 100.00% 7 100.00%



static void qeth_promisc_to_bridge(struct qeth_card *card)
{
	struct net_device *dev = card->dev;
	enum qeth_ipa_promisc_modes promisc_mode;
	int role;
	int rc;

	QETH_CARD_TEXT(card, 3, "pmisc2br");

	if (!card->options.sbp.reflect_promisc)
		return;
	promisc_mode = (dev->flags & IFF_PROMISC) ? SET_PROMISC_MODE_ON
						: SET_PROMISC_MODE_OFF;
	if (promisc_mode == card->info.promisc_mode)
		return;

	if (promisc_mode == SET_PROMISC_MODE_ON) {
		if (card->options.sbp.reflect_promisc_primary)
			role = QETH_SBP_ROLE_PRIMARY;
		else
			role = QETH_SBP_ROLE_SECONDARY;
	} else
		role = QETH_SBP_ROLE_NONE;

	rc = qeth_bridgeport_setrole(card, role);
	QETH_DBF_TEXT_(SETUP, 2, "bpm%c%04x",
			(promisc_mode == SET_PROMISC_MODE_ON) ? '+' : '-', rc);
	if (!rc) {
		card->options.sbp.role = role;
		card->info.promisc_mode = promisc_mode;
	}

}
Contributors
Person Tokens Prop Commits CommitProp
eugene crosser eugene crosser 163 100.00% 1 100.00%
Total 163 100.00% 1 100.00%

/* New MAC address is added to the hash table and marked to be written on card
 * only if there is not in the hash table storage already
 *
*/

static	void

qeth_l2_add_mac(struct qeth_card *card, struct netdev_hw_addr *ha, u8 is_uc)
{
	struct qeth_mac *mac;

	hash_for_each_possible(card->mac_htable, mac, hnode,
			qeth_l2_mac_hash(ha->addr)) {
		if (is_uc == mac->is_uc &&
		    !memcmp(ha->addr, mac->mac_addr, OSA_ADDR_LEN)) {
			mac->disp_flag = QETH_DISP_MAC_DO_NOTHING;
			return;
		}
	}

	mac = kzalloc(sizeof(struct qeth_mac), GFP_ATOMIC);

	if (!mac)
		return;

	memcpy(mac->mac_addr, ha->addr, OSA_ADDR_LEN);
	mac->is_uc = is_uc;
	mac->disp_flag = QETH_DISP_MAC_ADD;

	hash_add(card->mac_htable, &mac->hnode,
			qeth_l2_mac_hash(mac->mac_addr));

}

Contributors
Person Tokens Prop Commits CommitProp
lakhvich dmitriy lakhvich dmitriy 130 100.00% 1 100.00%
Total 130 100.00% 1 100.00%



static void qeth_l2_set_rx_mode(struct net_device *dev)
{
	struct qeth_card *card = dev->ml_priv;
	struct netdev_hw_addr *ha;
	struct qeth_mac *mac;
	struct hlist_node *tmp;
	int i;
	int rc;

	if (card->info.type == QETH_CARD_TYPE_OSN)
		return;

	QETH_CARD_TEXT(card, 3, "setmulti");
	if (qeth_threads_running(card, QETH_RECOVER_THREAD) &&
	    (card->state != CARD_STATE_UP))
		return;

	spin_lock_bh(&card->mclock);

	netdev_for_each_mc_addr(ha, dev)
		qeth_l2_add_mac(card, ha, 0);

	netdev_for_each_uc_addr(ha, dev)
		qeth_l2_add_mac(card, ha, 1);

	hash_for_each_safe(card->mac_htable, i, tmp, mac, hnode) {
		if (mac->disp_flag == QETH_DISP_MAC_DELETE) {
			if (!mac->is_uc)
				rc = qeth_l2_send_delgroupmac(card,
						mac->mac_addr);
			else {
				rc = qeth_l2_send_setdelmac(card, mac->mac_addr,
						IPA_CMD_DELVMAC);
			}

			hash_del(&mac->hnode);
			kfree(mac);

		} else if (mac->disp_flag == QETH_DISP_MAC_ADD) {
			rc = qeth_l2_write_mac(card, mac);
			if (rc) {
				hash_del(&mac->hnode);
				kfree(mac);
			} else
				mac->disp_flag = QETH_DISP_MAC_DELETE;
		} else
			mac->disp_flag = QETH_DISP_MAC_DELETE;
	}

	spin_unlock_bh(&card->mclock);

	if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE))
		qeth_setadp_promisc_mode(card);
	else
		qeth_promisc_to_bridge(card);
}

Contributors
Person Tokens Prop Commits CommitProp
lakhvich dmitriy lakhvich dmitriy 144 53.53% 1 33.33%
frank blaschka frank blaschka 119 44.24% 1 33.33%
eugene crosser eugene crosser 6 2.23% 1 33.33%
Total 269 100.00% 3 100.00%



static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
	int rc;
	struct qeth_hdr *hdr = NULL;
	int elements = 0;
	struct qeth_card *card = dev->ml_priv;
	struct sk_buff *new_skb = skb;
	int cast_type = qeth_l2_get_cast_type(card, skb);
	struct qeth_qdio_out_q *queue;
	int tx_bytes = skb->len;
	int data_offset = -1;
	int elements_needed = 0;
	int hd_len = 0;

	if (card->qdio.do_prio_queueing || (cast_type &&
					card->info.is_multicast_different))
		queue = card->qdio.out_qs[qeth_get_priority_queue(card, skb,
					qeth_get_ip_version(skb), cast_type)];
	else
		queue = card->qdio.out_qs[card->qdio.default_out_queue];

	if ((card->state != CARD_STATE_UP) || !card->lan_online) {
		card->stats.tx_carrier_errors++;
		goto tx_drop;
	}

	if ((card->info.type == QETH_CARD_TYPE_OSN) &&
	    (skb->protocol == htons(ETH_P_IPV6)))
		goto tx_drop;

	if (card->options.performance_stats) {
		card->perf_stats.outbound_cnt++;
		card->perf_stats.outbound_start_time = qeth_get_micros();
	}
	netif_stop_queue(dev);

	if (card->info.type == QETH_CARD_TYPE_OSN)
		hdr = (struct qeth_hdr *)skb->data;
	else {
		if (card->info.type == QETH_CARD_TYPE_IQD) {
			new_skb = skb;
			data_offset = ETH_HLEN;
			hd_len = ETH_HLEN;
			hdr = kmem_cache_alloc(qeth_core_header_cache,
						GFP_ATOMIC);
			if (!hdr)
				goto tx_drop;
			elements_needed++;
			skb_reset_mac_header(new_skb);
			qeth_l2_fill_header(card, hdr, new_skb, cast_type);
			hdr->hdr.l2.pkt_length = new_skb->len;
			memcpy(((char *)hdr) + sizeof(struct qeth_hdr),
				skb_mac_header(new_skb), ETH_HLEN);
		} else {
			/* create a clone with writeable headroom */
			new_skb = skb_realloc_headroom(skb,
						sizeof(struct qeth_hdr));
			if (!new_skb)
				goto tx_drop;
			hdr = (struct qeth_hdr *)skb_push(new_skb,
						sizeof(struct qeth_hdr));
			skb_set_mac_header(new_skb, sizeof(struct qeth_hdr));
			qeth_l2_fill_header(card, hdr, new_skb, cast_type);
			if (new_skb->ip_summed == CHECKSUM_PARTIAL)
				qeth_l2_hdr_csum(card, hdr, new_skb);
		}
	}

	elements = qeth_get_elements_no(card, new_skb, elements_needed);
	if (!elements) {
		if (data_offset >= 0)
			kmem_cache_free(qeth_core_header_cache, hdr);
		goto tx_drop;
	}

	if (card->info.type != QETH_CARD_TYPE_IQD) {
		if (qeth_hdr_chk_and_bounce(new_skb, &hdr,
		    sizeof(struct qeth_hdr_layer2)))
			goto tx_drop;
		rc = qeth_do_send_packet(card, queue, new_skb, hdr,
					 elements);
	} else
		rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
					elements, data_offset, hd_len);
	if (!rc) {
		card->stats.tx_packets++;
		card->stats.tx_bytes += tx_bytes;
		if (new_skb != skb)
			dev_kfree_skb_any(skb);
		rc = NETDEV_TX_OK;
	} else {
		if (data_offset >= 0)
			kmem_cache_free(qeth_core_header_cache, hdr);

		if (rc == -EBUSY) {
			if (new_skb != skb)
				dev_kfree_skb_any(new_skb);
			return NETDEV_TX_BUSY;
		} else
			goto tx_drop;
	}

	netif_wake_queue(dev);
	if (card->options.performance_stats)
		card->perf_stats.outbound_time += qeth_get_micros() -
			card->perf_stats.outbound_start_time;
	return rc;

tx_drop:
	card->stats.tx_dropped++;
	card->stats.tx_errors++;
	if ((new_skb != skb) && new_skb)
		dev_kfree_skb_any(new_skb);
	dev_kfree_skb_any(skb);
	netif_wake_queue(dev);
	return NETDEV_TX_OK;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 605 88.58% 5 55.56%
stefan raspl stefan raspl 60 8.78% 2 22.22%
thomas richter thomas richter 17 2.49% 1 11.11%
carsten otte carsten otte 1 0.15% 1 11.11%
Total 683 100.00% 9 100.00%



static int __qeth_l2_open(struct net_device *dev)
{
	struct qeth_card *card = dev->ml_priv;
	int rc = 0;

	QETH_CARD_TEXT(card, 4, "qethopen");
	if (card->state == CARD_STATE_UP)
		return rc;
	if (card->state != CARD_STATE_SOFTSETUP)
		return -ENODEV;

	if ((card->info.type != QETH_CARD_TYPE_OSN) &&
	     (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) {
		QETH_CARD_TEXT(card, 4, "nomacadr");
		return -EPERM;
	}
	card->data.state = CH_STATE_UP;
	card->state = CARD_STATE_UP;
	netif_start_queue(dev);

	if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) {
		napi_enable(&card->napi);
		napi_schedule(&card->napi);
	} else
		rc = -EIO;
	return rc;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 140 88.61% 2 40.00%
ursula braun ursula braun 12 7.59% 1 20.00%
carsten otte carsten otte 4 2.53% 1 20.00%
heiko carstens heiko carstens 2 1.27% 1 20.00%
Total 158 100.00% 5 100.00%



static int qeth_l2_open(struct net_device *dev)
{
	struct qeth_card *card = dev->ml_priv;

	QETH_CARD_TEXT(card, 5, "qethope_");
	if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) {
		QETH_CARD_TEXT(card, 3, "openREC");
		return -ERESTARTSYS;
	}
	return __qeth_l2_open(dev);
}

Contributors
Person Tokens Prop Commits CommitProp
ursula braun ursula braun 59 100.00% 1 100.00%
Total 59 100.00% 1 100.00%



static int qeth_l2_stop(struct net_device *dev)
{
	struct qeth_card *card = dev->ml_priv;

	QETH_CARD_TEXT(card, 4, "qethstop");
	netif_tx_disable(dev);
	if (card->state == CARD_STATE_UP) {
		card->state = CARD_STATE_SOFTSETUP;
		napi_disable(&card->napi);
	}
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 57 93.44% 2 50.00%
heiko carstens heiko carstens 2 3.28% 1 25.00%
carsten otte carsten otte 2 3.28% 1 25.00%
Total 61 100.00% 4 100.00%



static int qeth_l2_probe_device(struct ccwgroup_device *gdev)
{
	struct qeth_card *card = dev_get_drvdata(&gdev->dev);

	qeth_l2_create_device_attributes(&gdev->dev);
	INIT_LIST_HEAD(&card->vid_list);
	hash_init(card->mac_htable);
	card->options.layer2 = 1;
	card->info.hwtrap = 0;
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 56 84.85% 2 50.00%
eugene crosser eugene crosser 8 12.12% 1 25.00%
lakhvich dmitriy lakhvich dmitriy 2 3.03% 1 25.00%
Total 66 100.00% 4 100.00%



static void qeth_l2_remove_device(struct ccwgroup_device *cgdev)
{
	struct qeth_card *card = dev_get_drvdata(&cgdev->dev);

	qeth_l2_remove_device_attributes(&cgdev->dev);
	qeth_set_allowed_threads(card, 0, 1);
	wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);

	if (cgdev->state == CCWGROUP_ONLINE)
		qeth_l2_set_offline(cgdev);

	if (card->dev) {
		netif_napi_del(&card->napi);
		unregister_netdev(card->dev);
		card->dev = NULL;
	}
	return;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 75 75.00% 1 25.00%
ursula braun ursula braun 17 17.00% 2 50.00%
eugene crosser eugene crosser 8 8.00% 1 25.00%
Total 100 100.00% 4 100.00%


static const struct ethtool_ops qeth_l2_ethtool_ops = {
	.get_link = ethtool_op_get_link,
	.get_strings = qeth_core_get_strings,
	.get_ethtool_stats = qeth_core_get_ethtool_stats,
	.get_sset_count = qeth_core_get_sset_count,
	.get_drvinfo = qeth_core_get_drvinfo,
	.get_settings = qeth_core_ethtool_get_settings,
};


static const struct ethtool_ops qeth_l2_osn_ops = {
	.get_strings = qeth_core_get_strings,
	.get_ethtool_stats = qeth_core_get_ethtool_stats,
	.get_sset_count = qeth_core_get_sset_count,
	.get_drvinfo = qeth_core_get_drvinfo,
};


static const struct net_device_ops qeth_l2_netdev_ops = {
	.ndo_open		= qeth_l2_open,
	.ndo_stop		= qeth_l2_stop,
	.ndo_get_stats		= qeth_get_stats,
	.ndo_start_xmit		= qeth_l2_hard_start_xmit,
	.ndo_validate_addr	= eth_validate_addr,
	.ndo_set_rx_mode	= qeth_l2_set_rx_mode,
	.ndo_do_ioctl	   	= qeth_l2_do_ioctl,
	.ndo_set_mac_address    = qeth_l2_set_mac_address,
	.ndo_change_mtu	   	= qeth_change_mtu,
	.ndo_vlan_rx_add_vid	= qeth_l2_vlan_rx_add_vid,
	.ndo_vlan_rx_kill_vid   = qeth_l2_vlan_rx_kill_vid,
	.ndo_tx_timeout	   	= qeth_tx_timeout,
	.ndo_fix_features	= qeth_l2_fix_features,
	.ndo_set_features	= qeth_l2_set_features
};



static int qeth_l2_setup_netdev(struct qeth_card *card)
{
	switch (card->info.type) {
	case QETH_CARD_TYPE_IQD:
		card->dev = alloc_netdev(0, "hsi%d", NET_NAME_UNKNOWN,
					 ether_setup);
		break;
	case QETH_CARD_TYPE_OSN:
		card->dev = alloc_netdev(0, "osn%d", NET_NAME_UNKNOWN,
					 ether_setup);
		card->dev->flags |= IFF_NOARP;
		break;
	default:
		card->dev = alloc_etherdev(0);
	}

	if (!card->dev)
		return -ENODEV;

	card->dev->ml_priv = card;
	card->dev->watchdog_timeo = QETH_TX_TIMEOUT;
	card->dev->mtu = card->info.initial_mtu;
	card->dev->netdev_ops = &qeth_l2_netdev_ops;
	card->dev->ethtool_ops =
		(card->info.type != QETH_CARD_TYPE_OSN) ?
		&qeth_l2_ethtool_ops : &qeth_l2_osn_ops;
	card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
	if (card->info.type == QETH_CARD_TYPE_OSD && !card->info.guestlan) {
		card->dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
		/* Turn on RX offloading per default */
		card->dev->features |= NETIF_F_RXCSUM;
	}
	card->info.broadcast_capable = 1;
	qeth_l2_request_initial_mac(card);
	SET_NETDEV_DEV(card->dev, &card->gdev->dev);
	netif_napi_add(card->dev, &card->napi, qeth_l2_poll, QETH_NAPI_WEIGHT);
	netif_carrier_off(card->dev);
	return register_netdev(card->dev);
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 190 75.70% 3 33.33%
thomas richter thomas richter 38 15.14% 1 11.11%
wilfried klaebe wilfried klaebe 10 3.98% 1 11.11%
ursula braun ursula braun 7 2.79% 1 11.11%
tom gundersen tom gundersen 4 1.59% 1 11.11%
patrick mchardy patrick mchardy 1 0.40% 1 11.11%
heiko carstens heiko carstens 1 0.40% 1 11.11%
Total 251 100.00% 9 100.00%



static int qeth_l2_start_ipassists(struct qeth_card *card)
{
	/* configure isolation level */
	if (qeth_set_access_ctrl_online(card, 0))
		return -ENODEV;
	if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM))
		qeth_set_rx_csum(card, 1);
	qeth_start_ipa_tx_checksum(card);
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
thomas richter thomas richter 49 100.00% 1 100.00%
Total 49 100.00% 1 100.00%



static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
{
	struct qeth_card *card = dev_get_drvdata(&gdev->dev);
	int rc = 0;
	enum qeth_card_states recover_flag;

	mutex_lock(&card->discipline_mutex);
	mutex_lock(&card->conf_mutex);
	QETH_DBF_TEXT(SETUP, 2, "setonlin");
	QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));

	recover_flag = card->state;
	rc = qeth_core_hardsetup_card(card);
	if (rc) {
		QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc);
		rc = -ENODEV;
		goto out_remove;
	}
	qeth_bridgeport_query_support(card);
	if (card->options.sbp.supported_funcs)
		dev_info(&card->gdev->dev,
		"The device represents a Bridge Capable Port\n");
	qeth_trace_features(card);

	if (!card->dev && qeth_l2_setup_netdev(card)) {
		rc = -ENODEV;
		goto out_remove;
	}

	if (card->info.type != QETH_CARD_TYPE_OSN)
		qeth_l2_send_setmac(card, &card->dev->dev_addr[0]);

	if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) {
		if (card->info.hwtrap &&
		    qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM))
			card->info.hwtrap = 0;
	} else
		card->info.hwtrap = 0;

	qeth_l2_setup_bridgeport_attrs(card);

	card->state = CARD_STATE_HARDSETUP;
	memset(&card->rx, 0, sizeof(struct qeth_rx));
	qeth_print_status_message(card);

	/* softsetup */
	QETH_DBF_TEXT(SETUP, 2, "softsetp");

	rc = qeth_send_startlan(card);
	if (rc) {
		QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
		if (rc == 0xe080) {
			dev_warn(&card->gdev->dev,
				"The LAN is offline\n");
			card->lan_online = 0;
			goto contin;
		}
		rc = -ENODEV;
		goto out_remove;
	} else
		card->lan_online = 1;

contin:
	if ((card->info.type == QETH_CARD_TYPE_OSD) ||
	    (card->info.type == QETH_CARD_TYPE_OSX)) {
		if (qeth_l2_start_ipassists(card))
			goto out_remove;
	}

	if (card->info.type != QETH_CARD_TYPE_OSN &&
	    card->info.type != QETH_CARD_TYPE_OSM)
		qeth_l2_process_vlans(card);

	netif_tx_disable(card->dev);

	rc = qeth_init_qdio_queues(card);
	if (rc) {
		QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc);
		rc = -ENODEV;
		goto out_remove;
	}
	card->state = CARD_STATE_SOFTSETUP;
	if (card->lan_online)
		netif_carrier_on(card->dev);
	else
		netif_carrier_off(card->dev);

	qeth_set_allowed_threads(card, 0xffffffff, 0);
	if (recover_flag == CARD_STATE_RECOVER) {
		if (recovery_mode &&
		    card->info.type != QETH_CARD_TYPE_OSN) {
			__qeth_l2_open(card->dev);
		} else {
			rtnl_lock();
			dev_open(card->dev);
			rtnl_unlock();
		}
		/* this also sets saved unicast addresses */
		qeth_l2_set_rx_mode(card->dev);
	}
	/* let user_space know that device is online */
	kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE);
	mutex_unlock(&card->conf_mutex);
	mutex_unlock(&card->discipline_mutex);
	return 0;

out_remove:
	qeth_l2_stop_card(card, 0);
	ccw_device_set_offline(CARD_DDEV(card));
	ccw_device_set_offline(CARD_WDEV(card));
	ccw_device_set_offline(CARD_RDEV(card));
	qdio_free(CARD_DDEV(card));
	if (recover_flag == CARD_STATE_RECOVER)
		card->state = CARD_STATE_RECOVER;
	else
		card->state = CARD_STATE_DOWN;
	mutex_unlock(&card->conf_mutex);
	mutex_unlock(&card->discipline_mutex);
	return rc;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 482 74.73% 5 22.73%
ursula braun ursula braun 104 16.12% 7 31.82%
eugene crosser eugene crosser 32 4.96% 3 13.64%
stefan raspl stefan raspl 13 2.02% 2 9.09%
peter tiedemann peter tiedemann 6 0.93% 1 4.55%
thomas richter thomas richter 4 0.62% 2 9.09%
einar lueck einar lueck 3 0.47% 1 4.55%
lakhvich dmitriy lakhvich dmitriy 1 0.16% 1 4.55%
Total 645 100.00% 22 100.00%



static int qeth_l2_set_online(struct ccwgroup_device *gdev)
{
	return __qeth_l2_set_online(gdev, 0);
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 19 100.00% 1 100.00%
Total 19 100.00% 1 100.00%



static int __qeth_l2_set_offline(struct ccwgroup_device *cgdev,
					int recovery_mode)
{
	struct qeth_card *card = dev_get_drvdata(&cgdev->dev);
	int rc = 0, rc2 = 0, rc3 = 0;
	enum qeth_card_states recover_flag;

	mutex_lock(&card->discipline_mutex);
	mutex_lock(&card->conf_mutex);
	QETH_DBF_TEXT(SETUP, 3, "setoffl");
	QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *));

	if (card->dev && netif_carrier_ok(card->dev))
		netif_carrier_off(card->dev);
	recover_flag = card->state;
	if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) {
		qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
		card->info.hwtrap = 1;
	}
	qeth_l2_stop_card(card, recovery_mode);
	rc  = ccw_device_set_offline(CARD_DDEV(card));
	rc2 = ccw_device_set_offline(CARD_WDEV(card));
	rc3 = ccw_device_set_offline(CARD_RDEV(card));
	if (!rc)
		rc = (rc2) ? rc2 : rc3;
	if (rc)
		QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
	qdio_free(CARD_DDEV(card));
	if (recover_flag == CARD_STATE_UP)
		card->state = CARD_STATE_RECOVER;
	/* let user_space know that device is offline */
	kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE);
	mutex_unlock(&card->conf_mutex);
	mutex_unlock(&card->discipline_mutex);
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 241 89.93% 3 50.00%
ursula braun ursula braun 24 8.96% 2 33.33%
peter tiedemann peter tiedemann 3 1.12% 1 16.67%
Total 268 100.00% 6 100.00%



static int qeth_l2_set_offline(struct ccwgroup_device *cgdev)
{
	return __qeth_l2_set_offline(cgdev, 0);
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 19 100.00% 1 100.00%
Total 19 100.00% 1 100.00%



static int qeth_l2_recover(void *ptr)
{
	struct qeth_card *card;
	int rc = 0;

	card = (struct qeth_card *) ptr;
	QETH_CARD_TEXT(card, 2, "recover1");
	if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD))
		return 0;
	QETH_CARD_TEXT(card, 2, "recover2");
	dev_warn(&card->gdev->dev,
		"A recovery process has been started for the device\n");
	qeth_set_recovery_task(card);
	__qeth_l2_set_offline(card->gdev, 1);
	rc = __qeth_l2_set_online(card->gdev, 1);
	if (!rc)
		dev_info(&card->gdev->dev,
			"Device successfully recovered!\n");
	else {
		qeth_close_dev(card);
		dev_warn(&card->gdev->dev, "The qeth device driver "
				"failed to recover an error on the device\n");
	}
	qeth_clear_recovery_task(card);
	qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
	qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 136 86.62% 3 42.86%
stefan raspl stefan raspl 11 7.01% 2 28.57%
ursula braun ursula braun 6 3.82% 1 14.29%
carsten otte carsten otte 4 2.55% 1 14.29%
Total 157 100.00% 7 100.00%



static int __init qeth_l2_init(void)
{
	pr_info("register layer 2 discipline\n");
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 17 100.00% 2 100.00%
Total 17 100.00% 2 100.00%



static void __exit qeth_l2_exit(void)
{
	pr_info("unregister layer 2 discipline\n");
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 14 100.00% 2 100.00%
Total 14 100.00% 2 100.00%



static void qeth_l2_shutdown(struct ccwgroup_device *gdev)
{
	struct qeth_card *card = dev_get_drvdata(&gdev->dev);
	qeth_set_allowed_threads(card, 0, 1);
	if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap)
		qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
	qeth_qdio_clear_card(card, 0);
	qeth_clear_qdio_buffers(card);
	qdio_free(CARD_DDEV(card));
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 59 77.63% 2 50.00%
ursula braun ursula braun 17 22.37% 2 50.00%
Total 76 100.00% 4 100.00%



static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev)
{
	struct qeth_card *card = dev_get_drvdata(&gdev->dev);

	if (card->dev)
		netif_device_detach(card->dev);
	qeth_set_allowed_threads(card, 0, 1);
	wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
	if (gdev->state == CCWGROUP_OFFLINE)
		return 0;
	if (card->state == CARD_STATE_UP) {
		if (card->info.hwtrap)
			qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
		__qeth_l2_set_offline(card->gdev, 1);
	} else
		__qeth_l2_set_offline(card->gdev, 0);
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 120 100.00% 2 100.00%
Total 120 100.00% 2 100.00%



static int qeth_l2_pm_resume(struct ccwgroup_device *gdev)
{
	struct qeth_card *card = dev_get_drvdata(&gdev->dev);
	int rc = 0;

	if (gdev->state == CCWGROUP_OFFLINE)
		goto out;

	if (card->state == CARD_STATE_RECOVER) {
		rc = __qeth_l2_set_online(card->gdev, 1);
		if (rc) {
			rtnl_lock();
			dev_close(card->dev);
			rtnl_unlock();
		}
	} else
		rc = __qeth_l2_set_online(card->gdev, 0);
out:
	qeth_set_allowed_threads(card, 0xffffffff, 0);
	if (card->dev)
		netif_device_attach(card->dev);
	if (rc)
		dev_warn(&card->gdev->dev, "The qeth device driver "
			"failed to recover an error on the device\n");
	return rc;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 136 100.00% 1 100.00%
Total 136 100.00% 1 100.00%

/* Returns zero if the command is successfully "consumed" */


static int qeth_l2_control_event(struct qeth_card *card,
					struct qeth_ipa_cmd *cmd)
{
	switch (cmd->hdr.command) {
	case IPA_CMD_SETBRIDGEPORT_OSA:
	case IPA_CMD_SETBRIDGEPORT_IQD:
		if (cmd->data.sbp.hdr.command_code ==
				IPA_SBP_BRIDGE_PORT_STATE_CHANGE) {
			qeth_bridge_state_change(card, cmd);
			return 0;
		} else
			return 1;
	case IPA_CMD_ADDRESS_CHANGE_NOTIF:
		qeth_bridge_host_event(card, cmd);
		return 0;
	default:
		return 1;
	}
}

Contributors
Person Tokens Prop Commits CommitProp
eugene crosser eugene crosser 79 100.00% 2 100.00%
Total 79 100.00% 2 100.00%


struct qeth_discipline qeth_l2_discipline = {
	.start_poll = qeth_qdio_start_poll,
	.input_handler = (qdio_handler_t *) qeth_qdio_input_handler,
	.output_handler = (qdio_handler_t *) qeth_qdio_output_handler,
	.recover = qeth_l2_recover,
	.setup = qeth_l2_probe_device,
	.remove = qeth_l2_remove_device,
	.set_online = qeth_l2_set_online,
	.set_offline = qeth_l2_set_offline,
	.shutdown = qeth_l2_shutdown,
	.freeze = qeth_l2_pm_suspend,
	.thaw = qeth_l2_pm_resume,
	.restore = qeth_l2_pm_resume,
	.control_event_handler = qeth_l2_control_event,
};

EXPORT_SYMBOL_GPL(qeth_l2_discipline);



static int qeth_osn_send_control_data(struct qeth_card *card, int len,
			   struct qeth_cmd_buffer *iob)
{
	unsigned long flags;
	int rc = 0;

	QETH_CARD_TEXT(card, 5, "osndctrd");

	wait_event(card->wait_q,
		   atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0);
	qeth_prepare_control_data(card, len, iob);
	QETH_CARD_TEXT(card, 6, "osnoirqp");
	spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags);
	rc = ccw_device_start(card->write.ccwdev, &card->write.ccw,
			      (addr_t) iob, 0, 0);
	spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags);
	if (rc) {
		QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: "
			   "ccw_device_start rc = %i\n", rc);
		QETH_CARD_TEXT_(card, 2, " err%d", rc);
		qeth_release_buffer(iob->channel, iob);
		atomic_set(&card->write.irq_pending, 0);
		wake_up(&card->wait_q);
	}
	return rc;
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 186 96.88% 2 66.67%
carsten otte carsten otte 6 3.12% 1 33.33%
Total 192 100.00% 3 100.00%



static int qeth_osn_send_ipa_cmd(struct qeth_card *card,
			struct qeth_cmd_buffer *iob, int data_len)
{
	u16 s1, s2;

	QETH_CARD_TEXT(card, 4, "osndipa");

	qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2);
	s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len);
	s2 = (u16)data_len;
	memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2);
	memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2);
	memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2);
	memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2);
	return qeth_osn_send_control_data(card, s1, iob);
}

Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 128 98.46% 1 50.00%
carsten otte carsten otte 2 1.54% 1 50.00%
Total 130 100.00% 2 100.00%



int qeth_osn_assist(struct net_device *dev, void *data, int data_len)
{
	struct qeth_cmd_buffer *iob;
	struct qeth_card *card;
	int rc;

	if (!dev)
		return -ENODEV;
	card = dev->ml_priv;
	if (!card)
		return -ENODEV;
	QETH_CARD_TEXT(card, 2, "osnsdmc");
	if (!qeth_card_hw_is_reachable(card))
		return -ENODEV;
	iob = qeth_wait_for_buffer(&card->write);
	memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len);
	rc = qeth_osn_send_ipa_cmd(card, iob, data_len);
	return rc;
}
Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 97 86.61% 1 25.00%
carsten otte carsten otte 9 8.04% 1 25.00%
eugene crosser eugene crosser 4 3.57% 1 25.00%
heiko carstens heiko carstens 2 1.79% 1 25.00%
Total 112 100.00% 4 100.00%


EXPORT_SYMBOL(qeth_osn_assist);



int qeth_osn_register(unsigned char *read_dev_no, struct net_device **dev,
		  int (*assist_cb)(struct net_device *, void *),
		  int (*data_cb)(struct sk_buff *))
{
	struct qeth_card *card;

	*dev = qeth_l2_netdev_by_devno(read_dev_no);
	if (*dev == NULL)
		return -ENODEV;
	card = (*dev)->ml_priv;
	if (!card)
		return -ENODEV;
	QETH_CARD_TEXT(card, 2, "osnreg");
	if ((assist_cb == NULL) || (data_cb == NULL))
		return -EINVAL;
	card->osn_info.assist_cb = assist_cb;
	card->osn_info.data_cb = data_cb;
	return 0;
}
Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 116 89.92% 1 33.33%
carsten otte carsten otte 9 6.98% 1 33.33%
heiko carstens heiko carstens 4 3.10% 1 33.33%
Total 129 100.00% 3 100.00%


EXPORT_SYMBOL(qeth_osn_register);



void qeth_osn_deregister(struct net_device *dev)
{
	struct qeth_card *card;

	if (!dev)
		return;
	card = dev->ml_priv;
	if (!card)
		return;
	QETH_CARD_TEXT(card, 2, "osndereg");
	card->osn_info.assist_cb = NULL;
	card->osn_info.data_cb = NULL;
	return;
}
Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 48 81.36% 1 33.33%
carsten otte carsten otte 9 15.25% 1 33.33%
heiko carstens heiko carstens 2 3.39% 1 33.33%
Total 59 100.00% 3 100.00%


EXPORT_SYMBOL(qeth_osn_deregister);

/* SETBRIDGEPORT support, async notifications */





enum qeth_an_event_type {anev_reg_unreg, anev_abort, anev_reset};

/**
 * qeth_bridge_emit_host_event() - bridgeport address change notification
 * @card:  qeth_card structure pointer, for udev events.
 * @evtype:  "normal" register/unregister, or abort, or reset. For abort
 *            and reset token and addr_lnid are unused and may be NULL.
 * @code:  event bitmask: high order bit 0x80 value 1 means removal of an
 *                        object, 0 - addition of an object.
 *                        0x01 - VLAN, 0x02 - MAC, 0x03 - VLAN and MAC.
 * @token: "network token" structure identifying physical address of the port.
 * @addr_lnid: pointer to structure with MAC address and VLAN ID.
 *
 * This function is called when registrations and deregistrations are
 * reported by the hardware, and also when notifications are enabled -
 * for all currently registered addresses.
 */


static void qeth_bridge_emit_host_event(struct qeth_card *card,
	enum qeth_an_event_type evtype,
	u8 code, struct net_if_token *token, struct mac_addr_lnid *addr_lnid)
{
	char str[7][32];
	char *env[8];
	int i = 0;

	switch (evtype) {
	case anev_reg_unreg:
		snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=%s",
				(code & IPA_ADDR_CHANGE_CODE_REMOVAL)
				? "deregister" : "register");
		env[i] = str[i]; i++;
		if (code & IPA_ADDR_CHANGE_CODE_VLANID) {
			snprintf(str[i], sizeof(str[i]), "VLAN=%d",
				addr_lnid->lnid);
			env[i] = str[i]; i++;
		}
		if (code & IPA_ADDR_CHANGE_CODE_MACADDR) {
			snprintf(str[i], sizeof(str[i]), "MAC=%pM",
				addr_lnid->mac);
			env[i] = str[i]; i++;
		}
		snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x",
			token->cssid, token->ssid, token->devnum);
		env[i] = str[i]; i++;
		snprintf(str[i], sizeof(str[i]), "NTOK_IID=%02x", token->iid);
		env[i] = str[i]; i++;
		snprintf(str[i], sizeof(str[i]), "NTOK_CHPID=%02x",
				token->chpid);
		env[i] = str[i]; i++;
		snprintf(str[i], sizeof(str[i]), "NTOK_CHID=%04x", token->chid);
		env[i] = str[i]; i++;
		break;
	case anev_abort:
		snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=abort");
		env[i] = str[i]; i++;
		break;
	case anev_reset:
		snprintf(str[i], sizeof(str[i]), "BRIDGEDHOST=reset");
		env[i] = str[i]; i++;
		break;
	}
	env[i] = NULL;
	kobject_uevent_env(&card->gdev->dev.kobj, KOBJ_CHANGE, env);
}

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eugene crosser eugene crosser 427 100.00% 3 100.00%
Total 427 100.00% 3 100.00%


struct qeth_bridge_state_data {
	
struct work_struct worker;
	
struct qeth_card *card;
	
struct qeth_sbp_state_change qports;
};



static void qeth_bridge_state_change_worker(struct work_struct *work)
{
	struct qeth_bridge_state_data *data =
		container_of(work, struct qeth_bridge_state_data, worker);
	/* We are only interested in the first entry - local port */
	struct qeth_sbp_port_entry *entry = &data->qports.entry[0];
	char env_locrem[32];
	char env_role[32];
	char env_state[32];
	char *env[] = {
		env_locrem,
		env_role,
		env_state,
		NULL
	};

	/* Role should not change by itself, but if it did, */
	/* information from the hardware is authoritative.  */
	mutex_lock(&data->card->conf_mutex);
	data->card->options.sbp.role = entry->role;
	mutex_unlock(&data->card->conf_mutex);

	snprintf(env_locrem, sizeof(env_locrem), "BRIDGEPORT=statechange");
	snprintf(env_role, sizeof(env_role), "ROLE=%s",
		(entry->role == QETH_SBP_ROLE_NONE) ? "none" :
		(entry->role == QETH_SBP_ROLE_PRIMARY) ? "primary" :
		(entry->role == QETH_SBP_ROLE_SECONDARY) ? "secondary" :
		"<INVALID>");
	snprintf(env_state, sizeof(env_state), "STATE=%s",
		(entry->state == QETH_SBP_STATE_INACTIVE) ? "inactive" :
		(entry->state == QETH_SBP_STATE_STANDBY) ? "standby" :
		(entry->state == QETH_SBP_STATE_ACTIVE) ? "active" :
		"<INVALID>");
	kobject_uevent_env(&data->card->gdev->dev.kobj,
				KOBJ_CHANGE, env);
	kfree(data);
}

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eugene crosser eugene crosser 234 100.00% 1 100.00%
Total 234 100.00% 1 100.00%



static void qeth_bridge_state_change(struct qeth_card *card,
					struct qeth_ipa_cmd *cmd)
{
	struct qeth_sbp_state_change *qports =
		 &cmd->data.sbp.data.state_change;
	struct qeth_bridge_state_data *data;
	int extrasize;

	QETH_CARD_TEXT(card, 2, "brstchng");
	if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) {
		QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length);
		return;
	}
	extrasize = sizeof(struct qeth_sbp_port_entry) * qports->num_entries;
	data = kzalloc(sizeof(struct qeth_bridge_state_data) + extrasize,
		GFP_ATOMIC);
	if (!data) {
		QETH_CARD_TEXT(card, 2, "BPSalloc");
		return;
	}
	INIT_WORK(&data->worker, qeth_bridge_state_change_worker);
	data->card = card;
	memcpy(&data->qports, qports,
			sizeof(struct qeth_sbp_state_change) + extrasize);
	queue_work(qeth_wq, &data->worker);
}

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eugene crosser eugene crosser 164 99.39% 2 66.67%
thomas richter thomas richter 1 0.61% 1 33.33%
Total 165 100.00% 3 100.00%


struct qeth_bridge_host_data {
	
struct work_struct worker;
	
struct qeth_card *card;
	
struct qeth_ipacmd_addr_change hostevs;
};



static void qeth_bridge_host_event_worker(struct work_struct *work)
{
	struct qeth_bridge_host_data *data =
		container_of(work, struct qeth_bridge_host_data, worker);
	int i;

	if (data->hostevs.lost_event_mask) {
		dev_info(&data->card->gdev->dev,
"Address notification from the Bridge Port stopped %s (%s)\n",
			data->card->dev->name,
			(data->hostevs.lost_event_mask == 0x01)
			? "Overflow"
			: (data->hostevs.lost_event_mask == 0x02)
			? "Bridge port state change"
			: "Unknown reason");
		mutex_lock(&data->card->conf_mutex);
		data->card->options.sbp.hostnotification = 0;
		mutex_unlock(&data->card->conf_mutex);
		qeth_bridge_emit_host_event(data->card, anev_abort,
			0, NULL, NULL);
	} else
		for (i = 0; i < data->hostevs.num_entries; i++) {
			struct qeth_ipacmd_addr_change_entry *entry =
					&data->hostevs.entry[i];
			qeth_bridge_emit_host_event(data->card,
					anev_reg_unreg,
					entry->change_code,
					&entry->token, &entry->addr_lnid);
		}
	kfree(data);
}

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eugene crosser eugene crosser 197 100.00% 2 100.00%
Total 197 100.00% 2 100.00%



static void qeth_bridge_host_event(struct qeth_card *card,
					struct qeth_ipa_cmd *cmd)
{
	struct qeth_ipacmd_addr_change *hostevs =
		 &cmd->data.addrchange;
	struct qeth_bridge_host_data *data;
	int extrasize;

	QETH_CARD_TEXT(card, 2, "brhostev");
	if (cmd->hdr.return_code != 0x0000) {
		if (cmd->hdr.return_code == 0x0010) {
			if (hostevs->lost_event_mask == 0x00)
				hostevs->lost_event_mask = 0xff;
		} else {
			QETH_CARD_TEXT_(card, 2, "BPHe%04x",
				cmd->hdr.return_code);
			return;
		}
	}
	extrasize = sizeof(struct qeth_ipacmd_addr_change_entry) *
						hostevs->num_entries;
	data = kzalloc(sizeof(struct qeth_bridge_host_data) + extrasize,
		GFP_ATOMIC);
	if (!data) {
		QETH_CARD_TEXT(card, 2, "BPHalloc");
		return;
	}
	INIT_WORK(&data->worker, qeth_bridge_host_event_worker);
	data->card = card;
	memcpy(&data->hostevs, hostevs,
			sizeof(struct qeth_ipacmd_addr_change) + extrasize);
	queue_work(qeth_wq, &data->worker);
}

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eugene crosser eugene crosser 190 100.00% 2 100.00%
Total 190 100.00% 2 100.00%

/* SETBRIDGEPORT support; sending commands */


struct _qeth_sbp_cbctl {
	
u16 ipa_rc;
	
u16 cmd_rc;
	union {
		
u32 supported;
		struct {
			
enum qeth_sbp_roles *role;
			
enum qeth_sbp_states *state;
		} 
qports;
	} 
data;
};

/**
 * qeth_bridgeport_makerc() - derive "traditional" error from hardware codes.
 * @card:                     qeth_card structure pointer, for debug messages.
 * @cbctl:                    state structure with hardware return codes.
 * @setcmd:                   IPA command code
 *
 * Returns negative errno-compatible error indication or 0 on success.
 */


static int qeth_bridgeport_makerc(struct qeth_card *card,
	struct _qeth_sbp_cbctl *cbctl, enum qeth_ipa_sbp_cmd setcmd)
{
	int rc;
	int is_iqd = (card->info.type == QETH_CARD_TYPE_IQD);

	if ((is_iqd && (cbctl->ipa_rc == IPA_RC_SUCCESS)) ||
	    (!is_iqd && (cbctl->ipa_rc == cbctl->cmd_rc)))
		switch (cbctl->cmd_rc) {
		case 0x0000:
			rc = 0;
			break;
		case 0x2B04:
		case 0x0004:
			rc = -EOPNOTSUPP;
			break;
		case 0x2B0C:
		case 0x000C: /* Not configured as bridge Port */
			rc = -ENODEV; /* maybe not the best code here? */
			dev_err(&card->gdev->dev,
	"The device is not configured as a Bridge Port\n");
			break;
		case 0x2B14:
		case 0x0014: /* Another device is Primary */
			switch (setcmd) {
			case IPA_SBP_SET_PRIMARY_BRIDGE_PORT:
				rc = -EEXIST;
				dev_err(&card->gdev->dev,
	"The LAN already has a primary Bridge Port\n");
				break;
			case IPA_SBP_SET_SECONDARY_BRIDGE_PORT:
				rc = -EBUSY;
				dev_err(&card->gdev->dev,
	"The device is already a primary Bridge Port\n");
				break;
			default:
				rc = -EIO;
			}
			break;
		case 0x2B18:
		case 0x0018: /* This device is currently Secondary */
			rc = -EBUSY;
			dev_err(&card->gdev->dev,
	"The device is already a secondary Bridge Port\n");
			break;
		case 0x2B1C:
		case 0x001C: /* Limit for Secondary devices reached */
			rc = -EEXIST;
			dev_err(&card->gdev->dev,
	"The LAN cannot have more secondary Bridge Ports\n");
			break;
		case 0x2B24:
		case 0x0024: /* This device is currently Primary */
			rc = -EBUSY;
			dev_err(&card->gdev->dev,
	"The device is already a primary Bridge Port\n");
			break;
		case 0x2B20:
		case 0x0020: /* Not authorized by zManager */
			rc = -EACCES;
			dev_err(&card->gdev->dev,
	"The device is not authorized to be a Bridge Port\n");
			break;
		default:
			rc = -EIO;
		}
	else
		switch (cbctl->ipa_rc) {
		case IPA_RC_NOTSUPP:
			rc = -EOPNOTSUPP;
			break;
		case IPA_RC_UNSUPPORTED_COMMAND:
			rc = -EOPNOTSUPP;
			break;
		default:
			rc = -EIO;
		}

	if (rc) {
		QETH_CARD_TEXT_(card, 2, "SBPi%04x", cbctl->ipa_rc);
		QETH_CARD_TEXT_(card, 2, "SBPc%04x", cbctl->cmd_rc);
	}
	return rc;
}

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eugene crosser eugene crosser 355 100.00% 4 100.00%
Total 355 100.00% 4 100.00%



static inline int ipa_cmd_sbp(struct qeth_card *card)
{
	return (card->info.type == QETH_CARD_TYPE_IQD) ?
		IPA_CMD_SETBRIDGEPORT_IQD :
		IPA_CMD_SETBRIDGEPORT_OSA;
}

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Total 27 100.00% 1 100.00%



static int qeth_bridgeport_query_support_cb(struct qeth_card *card,
	struct qeth_reply *reply, unsigned long data)
{
	struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
	struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param;
	QETH_CARD_TEXT(card, 2, "brqsupcb");
	cbctl->ipa_rc = cmd->hdr.return_code;
	cbctl->cmd_rc = cmd->data.sbp.hdr.return_code;
	if ((cbctl->ipa_rc == 0) && (cbctl->cmd_rc == 0)) {
		cbctl->data.supported =
			cmd->data.sbp.data.query_cmds_supp.supported_cmds;
	} else {
		cbctl->data.supported = 0;
	}
	return 0;
}

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eugene crosser eugene crosser 131 100.00% 2 100.00%
Total 131 100.00% 2 100.00%

/**
 * qeth_bridgeport_query_support() - store bitmask of supported subfunctions.
 * @card:                            qeth_card structure pointer.
 *
 * Sets bitmask of supported setbridgeport subfunctions in the qeth_card
 * strucutre: card->options.sbp.supported_funcs.
 */


static void qeth_bridgeport_query_support(struct qeth_card *card)
{
	struct qeth_cmd_buffer *iob;
	struct qeth_ipa_cmd *cmd;
	struct _qeth_sbp_cbctl cbctl;

	QETH_CARD_TEXT(card, 2, "brqsuppo");
	iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0);
	if (!iob)
		return;
	cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
	cmd->data.sbp.hdr.cmdlength =
		sizeof(struct qeth_ipacmd_sbp_hdr) +
		sizeof(struct qeth_sbp_query_cmds_supp);
	cmd->data.sbp.hdr.command_code =
		IPA_SBP_QUERY_COMMANDS_SUPPORTED;
	cmd->data.sbp.hdr.used_total = 1;
	cmd->data.sbp.hdr.seq_no = 1;
	if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb,
							(void *)&cbctl) ||
	    qeth_bridgeport_makerc(card, &cbctl,
					IPA_SBP_QUERY_COMMANDS_SUPPORTED)) {
		/* non-zero makerc signifies failure, and produce messages */
		card->options.sbp.role = QETH_SBP_ROLE_NONE;
		return;
	}
	card->options.sbp.supported_funcs = cbctl.data.supported;
}

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eugene crosser eugene crosser 177 96.72% 4 80.00%
thomas richter thomas richter 6 3.28% 1 20.00%
Total 183 100.00% 5 100.00%



static int qeth_bridgeport_query_ports_cb(struct qeth_card *card,
	struct qeth_reply *reply, unsigned long data)
{
	struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data;
	struct qeth_sbp_query_ports *qports = &cmd->data.sbp.data.query_ports;
	struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param;

	QETH_CARD_TEXT(card, 2, "brqprtcb");
	cbctl->ipa_rc = cmd->hdr.return_code;
	cbctl->cmd_rc = cmd->data.sbp.hdr.return_code;
	if ((cbctl->ipa_rc != 0) || (cbctl->cmd_rc != 0))
		return 0;
	if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) {
		cbctl->cmd_rc = 0xffff;
		QETH_CARD_TEXT_(card, 2, "SBPs%04x", qports->entry_length);
		return 0;
	}
	/* first entry contains the state of the local port */
	if (qports->num_entries > 0) {
		if (cbctl->data.qports.role)
			*cbctl->data.qports.role = qports->entry[0].role;
		if (cbctl->data.qports.state)
			*cbctl->data.qports.state = qports->entry[0].state;
	}
	return 0;
}

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eugene crosser eugene crosser 222 100.00% 2 100.00%
Total 222 100.00% 2 100.00%

/**
 * qeth_bridgeport_query_ports() - query local bridgeport status.
 * @card:                          qeth_card structure pointer.
 * @role:   Role of the port: 0-none, 1-primary, 2-secondary.
 * @state:  State of the port: 0-inactive, 1-standby, 2-active.
 *
 * Returns negative errno-compatible error indication or 0 on success.
 *
 * 'role' and 'state' are not updated in case of hardware operation failure.
 */


int qeth_bridgeport_query_ports(struct qeth_card *card,
	enum qeth_sbp_roles *role, enum qeth_sbp_states *state)
{
	int rc = 0;
	struct qeth_cmd_buffer *iob;
	struct qeth_ipa_cmd *cmd;
	struct _qeth_sbp_cbctl cbctl = {
		.data = {
			.qports = {
				.role = role,
				.state = state,
                        },
                },
        };

	QETH_CARD_TEXT(card, 2, "brqports");
	if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS))
		return -EOPNOTSUPP;
	iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0);
	if (!iob)
		return -ENOMEM;
	cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
	cmd->data.sbp.hdr.cmdlength =
		sizeof(struct qeth_ipacmd_sbp_hdr);
	cmd->data.sbp.hdr.command_code =
		IPA_SBP_QUERY_BRIDGE_PORTS;
	cmd->data.sbp.hdr.used_total = 1;
	cmd->data.sbp.hdr.seq_no = 1;
	rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb,
				(void *)&cbctl);
	if (rc < 0)
		return rc;
	return qeth_bridgeport_makerc(card, &cbctl, IPA_SBP_QUERY_BRIDGE_PORTS);
}
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thomas richter thomas richter 9 4.15% 1 20.00%
Total 217 100.00% 5 100.00%


EXPORT_SYMBOL_GPL(qeth_bridgeport_query_ports);



static int qeth_bridgeport_set_cb(struct qeth_card *card,
	struct qeth_reply *reply, unsigned long data)
{
	struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data;
	struct _qeth_sbp_cbctl *cbctl = (struct _qeth_sbp_cbctl *)reply->param;
	QETH_CARD_TEXT(card, 2, "brsetrcb");
	cbctl->ipa_rc = cmd->hdr.return_code;
	cbctl->cmd_rc = cmd->data.sbp.hdr.return_code;
	return 0;
}

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Total 82 100.00% 2 100.00%

/**
 * qeth_bridgeport_setrole() - Assign primary role to the port.
 * @card:                      qeth_card structure pointer.
 * @role:                      Role to assign.
 *
 * Returns negative errno-compatible error indication or 0 on success.
 */


int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role)
{
	int rc = 0;
	int cmdlength;
	struct qeth_cmd_buffer *iob;
	struct qeth_ipa_cmd *cmd;
	struct _qeth_sbp_cbctl cbctl;
	enum qeth_ipa_sbp_cmd setcmd;

	QETH_CARD_TEXT(card, 2, "brsetrol");
	switch (role) {
	case QETH_SBP_ROLE_NONE:
		setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE;
		cmdlength =  sizeof(struct qeth_ipacmd_sbp_hdr) +
			sizeof(struct qeth_sbp_reset_role);
		break;
	case QETH_SBP_ROLE_PRIMARY:
		setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT;
		cmdlength =  sizeof(struct qeth_ipacmd_sbp_hdr) +
			sizeof(struct qeth_sbp_set_primary);
		break;
	case QETH_SBP_ROLE_SECONDARY:
		setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT;
		cmdlength =  sizeof(struct qeth_ipacmd_sbp_hdr) +
			sizeof(struct qeth_sbp_set_secondary);
		break;
	default:
		return -EINVAL;
	}
	if (!(card->options.sbp.supported_funcs & setcmd))
		return -EOPNOTSUPP;
	iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0);
	if (!iob)
		return -ENOMEM;
	cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
	cmd->data.sbp.hdr.cmdlength = cmdlength;
	cmd->data.sbp.hdr.command_code = setcmd;
	cmd->data.sbp.hdr.used_total = 1;
	cmd->data.sbp.hdr.seq_no = 1;
	rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb,
				(void *)&cbctl);
	if (rc < 0)
		return rc;
	return qeth_bridgeport_makerc(card, &cbctl, setcmd);
}

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Person Tokens Prop Commits CommitProp
eugene crosser eugene crosser 260 96.65% 4 80.00%
thomas richter thomas richter 9 3.35% 1 20.00%
Total 269 100.00% 5 100.00%

/**
 * qeth_anset_makerc() - derive "traditional" error from hardware codes.
 * @card:                     qeth_card structure pointer, for debug messages.
 *
 * Returns negative errno-compatible error indication or 0 on success.
 */


static int qeth_anset_makerc(struct qeth_card *card, int pnso_rc, u16 response)
{
	int rc;

	if (pnso_rc == 0)
		switch (response) {
		case 0x0001:
			rc = 0;
			break;
		case 0x0004:
		case 0x0100:
		case 0x0106:
			rc = -EOPNOTSUPP;
			dev_err(&card->gdev->dev,
				"Setting address notification failed\n");
			break;
		case 0x0107:
			rc = -EAGAIN;
			break;
		default:
			rc = -EIO;
		}
	else
		rc = -EIO;

	if (rc) {
		QETH_CARD_TEXT_(card, 2, "SBPp%04x", pnso_rc);
		QETH_CARD_TEXT_(card, 2, "SBPr%04x", response);
	}
	return rc;
}

Contributors
Person Tokens Prop Commits CommitProp
eugene crosser eugene crosser 119 100.00% 3 100.00%
Total 119 100.00% 3 100.00%



static void qeth_bridgeport_an_set_cb(void *priv,
		enum qdio_brinfo_entry_type type, void *entry)
{
	struct qeth_card *card = (struct qeth_card *)priv;
	struct qdio_brinfo_entry_l2 *l2entry;
	u8 code;

	if (type != l2_addr_lnid) {
		WARN_ON_ONCE(1);
		return;
	}

	l2entry = (struct qdio_brinfo_entry_l2 *)entry;
	code = IPA_ADDR_CHANGE_CODE_MACADDR;
	if (l2entry->addr_lnid.lnid)
		code |= IPA_ADDR_CHANGE_CODE_VLANID;
	qeth_bridge_emit_host_event(card, anev_reg_unreg, code,
		(struct net_if_token *)&l2entry->nit,
		(struct mac_addr_lnid *)&l2entry->addr_lnid);
}

Contributors
Person Tokens Prop Commits CommitProp
eugene crosser eugene crosser 106 100.00% 2 100.00%
Total 106 100.00% 2 100.00%

/**
 * qeth_bridgeport_an_set() - Enable or disable bridgeport address notification
 * @card:                     qeth_card structure pointer.
 * @enable:                   0 - disable, non-zero - enable notifications
 *
 * Returns negative errno-compatible error indication or 0 on success.
 *
 * On enable, emits a series of address notifications udev events for all
 * currently registered hosts.
 */


int qeth_bridgeport_an_set(struct qeth_card *card, int enable)
{
	int rc;
	u16 response;
	struct ccw_device *ddev;
	struct subchannel_id schid;

	if (!card)
		return -EINVAL;
	if (!card->options.sbp.supported_funcs)
		return -EOPNOTSUPP;
	ddev = CARD_DDEV(card);
	ccw_device_get_schid(ddev, &schid);

	if (enable) {
		qeth_bridge_emit_host_event(card, anev_reset, 0, NULL, NULL);
		rc = qdio_pnso_brinfo(schid, 1, &response,
			qeth_bridgeport_an_set_cb, card);
	} else
		rc = qdio_pnso_brinfo(schid, 0, &response, NULL, NULL);
	return qeth_anset_makerc(card, rc, response);
}
Contributors
Person Tokens Prop Commits CommitProp
eugene crosser eugene crosser 129 100.00% 2 100.00%
Total 129 100.00% 2 100.00%


EXPORT_SYMBOL_GPL(qeth_bridgeport_an_set);


module_init(qeth_l2_init);

module_exit(qeth_l2_exit);
MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>");
MODULE_DESCRIPTION("qeth layer 2 discipline");
MODULE_LICENSE("GPL");
Overall Contributors
Person Tokens Prop Commits CommitProp
frank blaschka frank blaschka 6148 53.32% 16 20.51%
eugene crosser eugene crosser 3697 32.06% 10 12.82%
thomas richter thomas richter 522 4.53% 4 5.13%
ursula braun ursula braun 415 3.60% 18 23.08%
lakhvich dmitriy lakhvich dmitriy 355 3.08% 1 1.28%
stefan raspl stefan raspl 98 0.85% 7 8.97%
carsten otte carsten otte 91 0.79% 1 1.28%
klaus-dieter wacker klaus-dieter wacker 41 0.36% 1 1.28%
jiri pirko jiri pirko 38 0.33% 4 5.13%
sebastian ott sebastian ott 32 0.28% 1 1.28%
heiko carstens heiko carstens 22 0.19% 2 2.56%
peter tiedemann peter tiedemann 13 0.11% 1 1.28%
ursula braun-krahl ursula braun-krahl 11 0.10% 1 1.28%
cornelia huck cornelia huck 11 0.10% 1 1.28%
wilfried klaebe wilfried klaebe 10 0.09% 1 1.28%
patrick mchardy patrick mchardy 9 0.08% 2 2.56%
ben hutchings ben hutchings 4 0.03% 1 1.28%
tom gundersen tom gundersen 4 0.03% 1 1.28%
einar lueck einar lueck 3 0.03% 1 1.28%
tejun heo tejun heo 3 0.03% 1 1.28%
stephen hemminger stephen hemminger 2 0.02% 1 1.28%
peter senna tschudin peter senna tschudin 1 0.01% 1 1.28%
joe perches joe perches 1 0.01% 1 1.28%
Total 11531 100.00% 78 100.00%
  Directory: drivers/s390/net

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
	Person	Tokens	Prop	Commits	CommitProp
frank blaschka	frank blaschka	216	89.63%	2	33.33%
ursula braun	ursula braun	17	7.05%	1	16.67%
eugene crosser	eugene crosser	4	1.66%	1	16.67%
heiko carstens	heiko carstens	2	0.83%	1	16.67%
carsten otte	carsten otte	2	0.83%	1	16.67%
	Total	241	100.00%	6	100.00%
cregit-Linux how code gets into the kernel

Release 4.7 drivers/s390/net/qeth_l2_main.c

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