1/*
 2 *  drivers/s390/net/qeth_l3.h
 3 *
 4 *    Copyright IBM Corp. 2007
 5 *    Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
 6 *		 Frank Pavlic <fpavlic@de.ibm.com>,
 7 *		 Thomas Spatzier <tspat@de.ibm.com>,
 8 *		 Frank Blaschka <frank.blaschka@de.ibm.com>
 9 */
10
11#ifndef __QETH_L3_H__
12#define __QETH_L3_H__
13
14#include "qeth_core.h"
 
15
16#define QETH_SNIFF_AVAIL	0x0008
17
18struct qeth_ipaddr {
19	struct list_head entry;
20	enum qeth_ip_types type;
21	enum qeth_ipa_setdelip_flags set_flags;
22	enum qeth_ipa_setdelip_flags del_flags;
23	int is_multicast;
24	int users;
 
 
 
 
 
 
25	enum qeth_prot_versions proto;
26	unsigned char mac[OSA_ADDR_LEN];
27	union {
28		struct {
29			unsigned int addr;
30			unsigned int mask;
31		} a4;
32		struct {
33			struct in6_addr addr;
34			unsigned int pfxlen;
35		} a6;
36	} u;
 
37};
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
38
39struct qeth_ipato_entry {
40	struct list_head entry;
41	enum qeth_prot_versions proto;
42	char addr[16];
43	int mask_bits;
44};
45
46
47void qeth_l3_ipaddr4_to_string(const __u8 *, char *);
48int qeth_l3_string_to_ipaddr4(const char *, __u8 *);
49void qeth_l3_ipaddr6_to_string(const __u8 *, char *);
50int qeth_l3_string_to_ipaddr6(const char *, __u8 *);
51void qeth_l3_ipaddr_to_string(enum qeth_prot_versions, const __u8 *, char *);
52int qeth_l3_string_to_ipaddr(const char *, enum qeth_prot_versions, __u8 *);
53int qeth_l3_create_device_attributes(struct device *);
54void qeth_l3_remove_device_attributes(struct device *);
55int qeth_l3_setrouting_v4(struct qeth_card *);
56int qeth_l3_setrouting_v6(struct qeth_card *);
57int qeth_l3_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *);
58void qeth_l3_del_ipato_entry(struct qeth_card *, enum qeth_prot_versions,
59			u8 *, int);
60int qeth_l3_add_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
61void qeth_l3_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
62int qeth_l3_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
63void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions,
64			const u8 *);
65int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
 
 
 
66
67#endif /* __QETH_L3_H__ */

 1/*
 
 
 2 *    Copyright IBM Corp. 2007
 3 *    Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
 4 *		 Frank Pavlic <fpavlic@de.ibm.com>,
 5 *		 Thomas Spatzier <tspat@de.ibm.com>,
 6 *		 Frank Blaschka <frank.blaschka@de.ibm.com>
 7 */
 8
 9#ifndef __QETH_L3_H__
10#define __QETH_L3_H__
11
12#include "qeth_core.h"
13#include <linux/hashtable.h>
14
15#define QETH_SNIFF_AVAIL	0x0008
16
17struct qeth_ipaddr {
18	struct hlist_node hnode;
19	enum qeth_ip_types type;
20	enum qeth_ipa_setdelip_flags set_flags;
21	enum qeth_ipa_setdelip_flags del_flags;
22	u8 is_multicast:1;
23	u8 in_progress:1;
24	u8 disp_flag:2;
25
26	/* is changed only for normal ip addresses
27	 * for non-normal addresses it always is  1
28	 */
29	int  ref_counter;
30	enum qeth_prot_versions proto;
31	unsigned char mac[OSA_ADDR_LEN];
32	union {
33		struct {
34			unsigned int addr;
35			unsigned int mask;
36		} a4;
37		struct {
38			struct in6_addr addr;
39			unsigned int pfxlen;
40		} a6;
41	} u;
42
43};
44static inline  u64 qeth_l3_ipaddr_hash(struct qeth_ipaddr *addr)
45{
46	u64  ret = 0;
47	u8 *point;
48
49	if (addr->proto == QETH_PROT_IPV6) {
50		point = (u8 *) &addr->u.a6.addr;
51		ret = get_unaligned((u64 *)point) ^
52			get_unaligned((u64 *) (point + 8));
53	}
54	if (addr->proto == QETH_PROT_IPV4) {
55		point = (u8 *) &addr->u.a4.addr;
56		ret = get_unaligned((u32 *) point);
57	}
58	return ret;
59}
60
61struct qeth_ipato_entry {
62	struct list_head entry;
63	enum qeth_prot_versions proto;
64	char addr[16];
65	int mask_bits;
66};
67
68
 
 
 
 
69void qeth_l3_ipaddr_to_string(enum qeth_prot_versions, const __u8 *, char *);
70int qeth_l3_string_to_ipaddr(const char *, enum qeth_prot_versions, __u8 *);
71int qeth_l3_create_device_attributes(struct device *);
72void qeth_l3_remove_device_attributes(struct device *);
73int qeth_l3_setrouting_v4(struct qeth_card *);
74int qeth_l3_setrouting_v6(struct qeth_card *);
75int qeth_l3_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *);
76void qeth_l3_del_ipato_entry(struct qeth_card *, enum qeth_prot_versions,
77			u8 *, int);
78int qeth_l3_add_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
79void qeth_l3_del_vipa(struct qeth_card *, enum qeth_prot_versions, const u8 *);
80int qeth_l3_add_rxip(struct qeth_card *, enum qeth_prot_versions, const u8 *);
81void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions,
82			const u8 *);
83int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *);
84struct qeth_ipaddr *qeth_l3_get_addr_buffer(enum qeth_prot_versions);
85int qeth_l3_add_ip(struct qeth_card *, struct qeth_ipaddr *);
86int qeth_l3_delete_ip(struct qeth_card *, struct qeth_ipaddr *);
87
88#endif /* __QETH_L3_H__ */