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b333293058
This patch extends the HiperSockets device driver to send and receive
af_iucv traffic over HiperSockets transport.
TX: Driver uses new asynchronous delivery of storage blocks to pass
flow control/congestion information from the HiperSockets microcode
to the af_iucv socket.
RX: Memory for incoming traffic is preallocated and passed to
HiperSockets layer. If receiver is not capable to clean its buffers
shared with HiperSockets and pass new memory to the HiperSockets
layer this will cause flow control/congestion events on the
sender.
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Einar Lueck <elelueck@de.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/*
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* drivers/s390/net/qeth_l3.h
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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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#ifndef __QETH_L3_H__
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#define __QETH_L3_H__
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#include "qeth_core.h"
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#define QETH_SNIFF_AVAIL 0x0008
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struct qeth_ipaddr {
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struct list_head entry;
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enum qeth_ip_types type;
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enum qeth_ipa_setdelip_flags set_flags;
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enum qeth_ipa_setdelip_flags del_flags;
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int is_multicast;
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int users;
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enum qeth_prot_versions proto;
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unsigned char mac[OSA_ADDR_LEN];
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union {
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struct {
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unsigned int addr;
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unsigned int mask;
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} a4;
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struct {
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struct in6_addr addr;
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unsigned int pfxlen;
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} a6;
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} u;
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};
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struct qeth_ipato_entry {
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struct list_head entry;
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enum qeth_prot_versions proto;
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char addr[16];
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int mask_bits;
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};
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void qeth_l3_ipaddr4_to_string(const __u8 *, char *);
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int qeth_l3_string_to_ipaddr4(const char *, __u8 *);
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void qeth_l3_ipaddr6_to_string(const __u8 *, char *);
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int qeth_l3_string_to_ipaddr6(const char *, __u8 *);
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void qeth_l3_ipaddr_to_string(enum qeth_prot_versions, const __u8 *, char *);
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int qeth_l3_string_to_ipaddr(const char *, enum qeth_prot_versions, __u8 *);
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int qeth_l3_create_device_attributes(struct device *);
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void qeth_l3_remove_device_attributes(struct device *);
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int qeth_l3_setrouting_v4(struct qeth_card *);
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int qeth_l3_setrouting_v6(struct qeth_card *);
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int qeth_l3_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *);
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void qeth_l3_del_ipato_entry(struct qeth_card *, enum qeth_prot_versions,
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u8 *, int);
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int qeth_l3_add_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
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void qeth_l3_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
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int qeth_l3_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
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void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions,
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const u8 *);
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int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
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struct qeth_ipaddr *qeth_l3_get_addr_buffer(enum qeth_prot_versions);
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int qeth_l3_add_ip(struct qeth_card *, struct qeth_ipaddr *);
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int qeth_l3_delete_ip(struct qeth_card *, struct qeth_ipaddr *);
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void qeth_l3_set_ip_addr_list(struct qeth_card *);
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#endif /* __QETH_L3_H__ */
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