1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright IBM Corp. 2007
13 #include "qeth_core.h"
14 #include <linux/hashtable.h>
16 #define QETH_SNIFF_AVAIL 0x0008
25 struct hlist_node hnode;
26 enum qeth_ip_types type;
30 u8 ipato:1; /* ucast only */
32 /* is changed only for normal ip addresses
33 * for non-normal addresses it always is 1
36 enum qeth_prot_versions proto;
49 static inline void qeth_l3_init_ipaddr(struct qeth_ipaddr *addr,
50 enum qeth_ip_types type,
51 enum qeth_prot_versions proto)
53 memset(addr, 0, sizeof(*addr));
56 addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
59 static inline bool qeth_l3_addr_match_ip(struct qeth_ipaddr *a1,
60 struct qeth_ipaddr *a2)
62 if (a1->proto != a2->proto)
64 if (a1->proto == QETH_PROT_IPV6)
65 return ipv6_addr_equal(&a1->u.a6.addr, &a2->u.a6.addr);
66 return a1->u.a4.addr == a2->u.a4.addr;
69 static inline bool qeth_l3_addr_match_all(struct qeth_ipaddr *a1,
70 struct qeth_ipaddr *a2)
72 /* Assumes that the pair was obtained via qeth_l3_addr_find_by_ip(),
73 * so 'proto' and 'addr' match for sure.
76 * - 'mask'/'pfxlen' for RXIP/VIPA is always 0. For NORMAL, matching
77 * values are required to avoid mixups in takeover eligibility.
80 * - 'mask'/'pfxlen' is always 0.
82 if (a1->type != a2->type)
84 if (a1->proto == QETH_PROT_IPV6)
85 return a1->u.a6.pfxlen == a2->u.a6.pfxlen;
86 return a1->u.a4.mask == a2->u.a4.mask;
89 static inline u32 qeth_l3_ipaddr_hash(struct qeth_ipaddr *addr)
91 if (addr->proto == QETH_PROT_IPV6)
92 return ipv6_addr_hash(&addr->u.a6.addr);
94 return ipv4_addr_hash(addr->u.a4.addr);
97 struct qeth_ipato_entry {
98 struct list_head entry;
99 enum qeth_prot_versions proto;
104 extern const struct attribute_group *qeth_l3_attr_groups[];
106 void qeth_l3_ipaddr_to_string(enum qeth_prot_versions, const __u8 *, char *);
107 int qeth_l3_create_device_attributes(struct device *);
108 void qeth_l3_remove_device_attributes(struct device *);
109 int qeth_l3_setrouting_v4(struct qeth_card *);
110 int qeth_l3_setrouting_v6(struct qeth_card *);
111 int qeth_l3_add_ipato_entry(struct qeth_card *, struct qeth_ipato_entry *);
112 int qeth_l3_del_ipato_entry(struct qeth_card *card,
113 enum qeth_prot_versions proto, u8 *addr,
115 void qeth_l3_update_ipato(struct qeth_card *card);
116 int qeth_l3_modify_hsuid(struct qeth_card *card, bool add);
117 int qeth_l3_modify_rxip_vipa(struct qeth_card *card, bool add, const u8 *ip,
118 enum qeth_ip_types type,
119 enum qeth_prot_versions proto);
121 #endif /* __QETH_L3_H__ */