diff options
Diffstat (limited to 'drivers/scsi/iscsi_tcp.c')
| -rw-r--r-- | drivers/scsi/iscsi_tcp.c | 68 |
1 files changed, 66 insertions, 2 deletions
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 6ecb4baa37e..6e510f3cfbf 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -3536,7 +3536,7 @@ iscsi_session_get_param(struct iscsi_cls_session *cls_session, *value = session->ofmarker_en; break; default: - return ISCSI_ERR_PARAM_NOT_FOUND; + return -EINVAL; } return 0; @@ -3547,6 +3547,7 @@ iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn, enum iscsi_param param, uint32_t *value) { struct iscsi_conn *conn = cls_conn->dd_data; + struct inet_sock *inet; switch(param) { case ISCSI_PARAM_MAX_RECV_DLENGTH: @@ -3561,13 +3562,61 @@ iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn, case ISCSI_PARAM_DATADGST_EN: *value = conn->datadgst_en; break; + case ISCSI_PARAM_CONN_PORT: + mutex_lock(&conn->xmitmutex); + if (!conn->sock) { + mutex_unlock(&conn->xmitmutex); + return -EINVAL; + } + + inet = inet_sk(conn->sock->sk); + *value = be16_to_cpu(inet->dport); + mutex_unlock(&conn->xmitmutex); default: - return ISCSI_ERR_PARAM_NOT_FOUND; + return -EINVAL; } return 0; } +static int +iscsi_conn_get_str_param(struct iscsi_cls_conn *cls_conn, + enum iscsi_param param, char *buf) +{ + struct iscsi_conn *conn = cls_conn->dd_data; + struct sock *sk; + struct inet_sock *inet; + struct ipv6_pinfo *np; + int len = 0; + + switch (param) { + case ISCSI_PARAM_CONN_ADDRESS: + mutex_lock(&conn->xmitmutex); + if (!conn->sock) { + mutex_unlock(&conn->xmitmutex); + return -EINVAL; + } + + sk = conn->sock->sk; + if (sk->sk_family == PF_INET) { + inet = inet_sk(sk); + len = sprintf(buf, "%u.%u.%u.%u\n", + NIPQUAD(inet->daddr)); + } else { + np = inet6_sk(sk); + len = sprintf(buf, + "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n", + NIP6(np->daddr)); + } + mutex_unlock(&conn->xmitmutex); + break; + default: + return -EINVAL; + } + + return len; +} + static void iscsi_conn_get_stats(struct iscsi_cls_conn *cls_conn, struct iscsi_stats *stats) { @@ -3610,6 +3659,20 @@ static struct iscsi_transport iscsi_tcp_transport = { .name = "tcp", .caps = CAP_RECOVERY_L0 | CAP_MULTI_R2T | CAP_HDRDGST | CAP_DATADGST, + .param_mask = ISCSI_MAX_RECV_DLENGTH | + ISCSI_MAX_XMIT_DLENGTH | + ISCSI_HDRDGST_EN | + ISCSI_DATADGST_EN | + ISCSI_INITIAL_R2T_EN | + ISCSI_MAX_R2T | + ISCSI_IMM_DATA_EN | + ISCSI_FIRST_BURST | + ISCSI_MAX_BURST | + ISCSI_PDU_INORDER_EN | + ISCSI_DATASEQ_INORDER_EN | + ISCSI_ERL | + ISCSI_CONN_PORT | + ISCSI_CONN_ADDRESS, .host_template = &iscsi_sht, .hostdata_size = sizeof(struct iscsi_session), .conndata_size = sizeof(struct iscsi_conn), @@ -3622,6 +3685,7 @@ static struct iscsi_transport iscsi_tcp_transport = { .destroy_conn = iscsi_conn_destroy, .set_param = iscsi_conn_set_param, .get_conn_param = iscsi_conn_get_param, + .get_conn_str_param = iscsi_conn_get_str_param, .get_session_param = iscsi_session_get_param, .start_conn = iscsi_conn_start, .stop_conn = iscsi_conn_stop, |