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Handle TargetAddress

This commit is contained in:
Michael Brown 2006-12-05 01:41:32 +00:00
parent 67577556a2
commit 6842dd3222
2 changed files with 36 additions and 0 deletions
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6
src/include/gpxe/iscsi.h
View File

@ -221,6 +221,12 @@ struct iscsi_bhs_login_response {
/** Login response opcode */
#define ISCSI_OPCODE_LOGIN_RESPONSE 0x23
/* Login response status codes */
#define ISCSI_STATUS_SUCCESS 0x00
#define ISCSI_STATUS_REDIRECT 0x01
#define ISCSI_STATUS_INITIATOR_ERROR 0x02
#define ISCSI_STATUS_TARGET_ERROR 0x03
/**
* iSCSI SCSI command basic header segment
*

30
src/net/tcp/iscsi.c
View File

@ -505,6 +505,27 @@ static void iscsi_tx_login_request ( struct iscsi_session *iscsi,
len - iscsi->tx_offset );
}
/**
* Handle iSCSI TargetAddress text value
*
* @v iscsi iSCSI session
* @v value TargetAddress value
*/
static void iscsi_handle_targetaddress_value ( struct iscsi_session *iscsi,
const char *value ) {
struct in_addr address;
struct sockaddr_in *sin = ( struct sockaddr_in * ) &iscsi->tcp.peer;
if ( inet_aton ( value, &address ) == 0 ) {
DBG ( "iSCSI %p received invalid TargetAddress \"%s\"\n",
iscsi, value );
return;
}
DBG ( "iSCSI %p will redirect to %s\n", iscsi, value );
sin->sin_addr = address;
}
/**
* Handle iSCSI AuthMethod text value
*
@ -629,6 +650,7 @@ struct iscsi_string_type {
/** iSCSI text strings that we want to handle */
struct iscsi_string_type iscsi_string_types[] = {
{ "TargetAddress=", iscsi_handle_targetaddress_value },
{ "AuthMethod=", iscsi_handle_authmethod_value },
{ "CHAP_A=", iscsi_handle_chap_a_value },
{ "CHAP_I=", iscsi_handle_chap_i_value },
@ -710,6 +732,14 @@ static void iscsi_rx_login_response ( struct iscsi_session *iscsi, void *data,
iscsi_handle_strings ( iscsi, iscsi->rx_buffer, iscsi->rx_len );
iscsi_rx_buffered_data_done ( iscsi );
/* Check for login redirection */
if ( response->status_class == ISCSI_STATUS_REDIRECT ) {
DBG ( "iSCSI %p redirecting to new server\n", iscsi );
iscsi_close ( iscsi, -EINPROGRESS );
tcp_connect ( &iscsi->tcp );
return;
}
/* Check for fatal errors */
if ( response->status_class != 0 ) {
printf ( "iSCSI login failure: class %02x detail %02x\n",