Hi:
After I update the kernel to the 2.6.33, I got the following error,
Is there something change to the crypto API or some modules
is missing?
[root@RHEL ~]# sctp_test -H 127.0.0.1 -P 8000 -l
local:addr=127.0.0.1, port=irdmi, family=2
seed = 1267480579
Starting tests...
socket(SOCK_SEQPACKET, IPPROTO_SCTP) -> sk=3
bind(sk=3, [a:127.0.0.1,p:irdmi]) -- attempt 1/10
listen(sk=3,backlog=100)
*** listen: Function not implemented ***
[root@RHEL ~]# dmesg | tail
SCTP: Hash tables configured (established 2048 bind 2048)
sctp_init_sock(sk: ce63db68)
sctp_init_sock(sk: ceafb8a0)
sctp_setsockopt(sk: ceafb8a0... optname: 11)
sctp_bind(sk: ceafb8a0, addr: ceaa0ed4, addr_len: 16)
sctp_do_bind(sk: ceafb8a0, new addr: 127.0.0.1, port: 0, new port: 8000, len: 16)
sctp_get_port() begins, snum=8000
SCTP: failed to load transform for hmac(md5): -2
sctp_close(sk: 0xceafb8a0, timeout:0)
sctp_destroy_sock(sk: ceafb8a0)
[root@RHEL ~]# cat /proc/crypto
name : stdrng
driver : krng
module : kernel
priority : 200
refcnt : 1
selftest : passed
type : rng
seedsize : 0
name : crc32c
driver : crc32c-generic
module : kernel
priority : 100
refcnt : 2
selftest : passed
type : shash
blocksize : 1
digestsize : 4
name : sha1
driver : sha1-generic
module : kernel
priority : 0
refcnt : 1
selftest : passed
type : shash
blocksize : 64
digestsize : 20
name : md5
driver : md5-generic
module : kernel
priority : 0
refcnt : 1
selftest : passed
type : shash
blocksize : 64
digestsize : 16
The source code is this:
5576 SCTP_STATIC int sctp_listen_start(struct sock *sk, int backlog)
5577 {
5578 struct sctp_sock *sp = sctp_sk(sk);
5579 struct sctp_endpoint *ep = sp->ep;
5580 struct crypto_hash *tfm = NULL;
5581
5582 /* Allocate HMAC for generating cookie. */
5583 if (!sctp_sk(sk)->hmac && sctp_hmac_alg) {
5584 tfm = crypto_alloc_hash(sctp_hmac_alg, 0, CRYPTO_ALG_ASYNC);
5585 if (IS_ERR(tfm)) {
5586 if (net_ratelimit()) {
5587 printk(KERN_INFO
5588 "SCTP: failed to load transform for %s: %ld\n",
5589 sctp_hmac_alg, PTR_ERR(tfm));
5590 }
5591 return -ENOSYS;
5592 }
5593 sctp_sk(sk)->hmac = tfm;
5594 }
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