Commit 4bfb8ebf authored by Mike Christie's avatar Mike Christie Committed by Christoph Hellwig

iscsi_tcp: export port being used

This just has iscsi_tcp support ISCSI_PARAM_LOCAL_PORT which
exports the local port being used by the iscsi connection.
Signed-off-by: default avatarMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 49b552de
......@@ -726,11 +726,16 @@ static int iscsi_sw_tcp_conn_get_param(struct iscsi_cls_conn *cls_conn,
switch(param) {
case ISCSI_PARAM_CONN_PORT:
case ISCSI_PARAM_CONN_ADDRESS:
case ISCSI_PARAM_LOCAL_PORT:
spin_lock_bh(&conn->session->frwd_lock);
if (!tcp_sw_conn || !tcp_sw_conn->sock) {
spin_unlock_bh(&conn->session->frwd_lock);
return -ENOTCONN;
}
if (param == ISCSI_PARAM_LOCAL_PORT)
rc = kernel_getsockname(tcp_sw_conn->sock,
(struct sockaddr *)&addr, &len);
else
rc = kernel_getpeername(tcp_sw_conn->sock,
(struct sockaddr *)&addr, &len);
spin_unlock_bh(&conn->session->frwd_lock);
......@@ -895,6 +900,7 @@ static umode_t iscsi_sw_tcp_attr_is_visible(int param_type, int param)
case ISCSI_PARAM_DATADGST_EN:
case ISCSI_PARAM_CONN_ADDRESS:
case ISCSI_PARAM_CONN_PORT:
case ISCSI_PARAM_LOCAL_PORT:
case ISCSI_PARAM_EXP_STATSN:
case ISCSI_PARAM_PERSISTENT_ADDRESS:
case ISCSI_PARAM_PERSISTENT_PORT:
......
......@@ -3505,6 +3505,7 @@ int iscsi_conn_get_addr_param(struct sockaddr_storage *addr,
len = sprintf(buf, "%pI6\n", &sin6->sin6_addr);
break;
case ISCSI_PARAM_CONN_PORT:
case ISCSI_PARAM_LOCAL_PORT:
if (sin)
len = sprintf(buf, "%hu\n", be16_to_cpu(sin->sin_port));
else
......
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