[Open-FCoE] [PATCH RFC] fcping: allow pings using FC_BSG_RPT_ELS

[Johannes Thumshirn]

fcping uses FC-ELS to perform pings. FC ELS is a host as well as rport
service, so allow the rport version of the BSG ioctl() as well as the
host version.

Signed-off-by: Johannes Thumshirn <***@suse.de>
---
fcping.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/fcping.c b/fcping.c
index bf2bc0f..3bc7fe6 100644
--- a/fcping.c
+++ b/fcping.c
@@ -471,6 +471,7 @@ fp_find_hba(void)
char *endptr;
uint32_t fcid;
int hba_cnt;
+ int hostno, chan, num;

hba_cnt = get_number_of_adapters();
if (!hba_cnt)
@@ -495,6 +496,16 @@ fp_find_hba(void)
if (*endptr != '\0')
SA_LOG_EXIT("invalid hba name %s", fp_hba);
host = strdup(fp_hba);
+ } else if (sscanf(fp_hba, "rport-%d:%d-%d", &hostno, &chan, &num)) {
+ char *rport = strdup(fp_hba);
+ port_attrs = get_rport_attribs(rport);
+ if (!port_attrs) {
+ free(rport);
+ return 0;
+ }
+ strncpy(fp_dev, rport, sizeof(fp_dev));
+ free(rport);
+ return 1;
} else if (strstr(fp_hba, ":")) {
if (strlen(fp_hba) == strlen("xx:yy:aa:bb:cc:dd:ee:ff")) {
fc_wwn_t wwn1;
@@ -826,10 +837,16 @@ send_els_echo(int fp_fd, void *fp_buf, uint32_t fp_len,
{
struct fc_bsg_request cdb;
char sense[MAX_SENSE_LEN];
+ char *rport;
struct sg_io_v4 sg_io;
int rc;

- cdb.msgcode = FC_BSG_HST_ELS_NOLOGIN;
+ rport = get_rport_by_fcid(fp_did);
+ if (rport)
+ cdb.msgcode = FC_BSG_RPT_ELS;
+ else
+ cdb.msgcode = FC_BSG_HST_ELS_NOLOGIN;
+
cdb.rqst_data.h_els.command_code = ELS_ECHO;
hton24(cdb.rqst_data.h_els.port_id, fp_did);