diff options
Diffstat (limited to 'migrate.c')
| -rw-r--r-- | migrate.c | 29 |
1 files changed, 14 insertions, 15 deletions
@@ -29,13 +29,13 @@ #define MIGRATE_MAGIC 0xB1BB1D1B0BB1D1B0 /** - * struct migrate_seen_addrs_v1 - Migratable guest addresses for v1 state stream + * struct migrate_seen_addrs_v2 - Migratable guest addresses for v2 state stream * @addr6: Observed guest IPv6 address * @addr6_ll: Observed guest IPv6 link-local address * @addr4: Observed guest IPv4 address * @mac: Observed guest MAC address */ -struct migrate_seen_addrs_v1 { +struct migrate_seen_addrs_v2 { struct in6_addr addr6; struct in6_addr addr6_ll; struct in_addr addr4; @@ -43,7 +43,7 @@ struct migrate_seen_addrs_v1 { } __attribute__((packed)); /** - * seen_addrs_source_v1() - Copy and send guest observed addresses from source + * seen_addrs_source_v2() - Copy and send guest observed addresses from source * @c: Execution context * @stage: Migration stage, unused * @fd: File descriptor for state transfer @@ -51,10 +51,10 @@ struct migrate_seen_addrs_v1 { * Return: 0 on success, positive error code on failure */ /* cppcheck-suppress [constParameterCallback, unmatchedSuppression] */ -static int seen_addrs_source_v1(struct ctx *c, +static int seen_addrs_source_v2(struct ctx *c, const struct migrate_stage *stage, int fd) { - struct migrate_seen_addrs_v1 addrs = { + struct migrate_seen_addrs_v2 addrs = { .addr6 = c->ip6.addr_seen, .addr6_ll = c->ip6.addr_ll_seen, .addr4 = c->ip4.addr_seen, @@ -71,17 +71,17 @@ static int seen_addrs_source_v1(struct ctx *c, } /** - * seen_addrs_target_v1() - Receive and use guest observed addresses on target + * seen_addrs_target_v2() - Receive and use guest observed addresses on target * @c: Execution context * @stage: Migration stage, unused * @fd: File descriptor for state transfer * * Return: 0 on success, positive error code on failure */ -static int seen_addrs_target_v1(struct ctx *c, +static int seen_addrs_target_v2(struct ctx *c, const struct migrate_stage *stage, int fd) { - struct migrate_seen_addrs_v1 addrs; + struct migrate_seen_addrs_v2 addrs; (void)stage; @@ -100,8 +100,8 @@ static int seen_addrs_target_v1(struct ctx *c, static const struct migrate_stage stages_v2[] = { { .name = "observed addresses", - .source = seen_addrs_source_v1, - .target = seen_addrs_target_v1, + .source = seen_addrs_source_v2, + .target = seen_addrs_target_v2, }, { .name = "prepare flows", @@ -123,7 +123,6 @@ static const struct migrate_version versions[] = { * MSS and omitted timestamps, which meant it usually wouldn't work. * Therefore we don't attempt to support compatibility with it. */ - { 0 }, }; /* Current encoding version */ @@ -177,9 +176,9 @@ static int migrate_source(struct ctx *c, int fd) */ static const struct migrate_version *migrate_target_read_header(int fd) { - const struct migrate_version *v; struct migrate_header h; uint32_t id, compat_id; + unsigned i; if (read_all_buf(fd, &h, sizeof(h))) return NULL; @@ -196,9 +195,9 @@ static const struct migrate_version *migrate_target_read_header(int fd) return NULL; } - for (v = versions; v->id; v++) - if (v->id <= id && v->id >= compat_id) - return v; + for (i = 0; i < ARRAY_SIZE(versions); i++) + if (versions[i].id <= id && versions[i].id >= compat_id) + return &versions[i]; errno = ENOTSUP; err("Unsupported device state version: %u", id); |