On Tue, 2013-05-28 at 04:05 -0500, Mike Christie wrote: > On 04/12/2013 12:41 PM, Eddie Wai wrote: > > This patch does the work to extract the corresponding > > <boot_root>->ethernetN net params as specified from the kernel > > session boot_nic sysfs entry based on the transport param > > use_boot_info. > > > > This is only populated for iscsi_tcp and bnx2i. > > > > Signed-off-by: Eddie Wai <[email protected]> > > --- > > usr/iscsi_sysfs.c | 40 ++++++++++++++++++++++++++++++++++++++++ > > usr/transport.c | 2 ++ > > usr/transport.h | 1 + > > 3 files changed, 43 insertions(+), 0 deletions(-) > > > > diff --git a/usr/iscsi_sysfs.c b/usr/iscsi_sysfs.c > > index 4015b35..91c3989 100644 > > --- a/usr/iscsi_sysfs.c > > +++ b/usr/iscsi_sysfs.c > > @@ -439,6 +439,43 @@ uint32_t iscsi_sysfs_get_host_no_from_hwinfo(struct > > iface_rec *iface, int *rc) > > return host_no; > > } > > > > +static int iscsi_sysfs_read_boot(struct iface_rec *iface, char *session) > > +{ > > + char boot_root[BOOT_NAME_MAXLEN], boot_nic[BOOT_NAME_MAXLEN]; > > + char boot_name[BOOT_NAME_MAXLEN], boot_content[BOOT_NAME_MAXLEN]; > > + > > + /* Extract boot info */ > > + strlcpy(boot_name, "boot_target", sizeof(boot_name)); > > + if (sysfs_get_str(session, ISCSI_SESSION_SUBSYS, boot_name, > > + boot_content, BOOT_NAME_MAXLEN)) > > + return -1; > > + strlcpy(boot_name, "boot_nic", sizeof(boot_name)); > > + if (sysfs_get_str(session, ISCSI_SESSION_SUBSYS, boot_name, boot_nic, > > + BOOT_NAME_MAXLEN)) > > + return -1; > > + strlcpy(boot_name, "boot_root", sizeof(boot_name)); > > + if (sysfs_get_str(session, ISCSI_SESSION_SUBSYS, boot_name, boot_root, > > + BOOT_NAME_MAXLEN)) > > + return -1; > > + > > + /* If all boot_root/boot_target/boot_nic exist, then extract the > > + info from the boot nic */ > > + if (sysfs_get_str(boot_nic, boot_root, "vlan", boot_content, > > + BOOT_NAME_MAXLEN)) > > + log_debug(5, "could not read %s/%s/vlan", boot_root, boot_nic); > > + else > > + iface->vlan_id = atoi(boot_content); > > + > > + if (sysfs_get_str(boot_nic, boot_root, "subnet-mask", > > + iface->subnet_mask, NI_MAXHOST)) > > + log_debug(5, "could not read %s/%s/subnet", boot_root, > > + boot_nic); > > + > > + log_debug(5, "sysfs read boot returns %s/%s/ vlan = %d subnet = %s", > > + boot_root, boot_nic, iface->vlan_id, iface->subnet_mask); > > + return 0; > > +} > > + > > /* > > * Read in iface settings based on host and session values. If > > * session is not passed in, then the ifacename will not be set. And > > @@ -567,6 +604,9 @@ static int iscsi_sysfs_read_iface(struct iface_rec > > *iface, int host_no, > > } > > } > > > > + if (t->template->use_boot_info) > > + iscsi_sysfs_read_boot(iface, session); > > + > > I forgot what we were saying for this. For the running boot session is > it possible to change the network settings while the session is running? > If so then this would print the old info (info used for boot that might > not be currently used) right? Was this ok? I'm not sure if this applies to iscsi_tcp or not, but for bnx2i, the boot session network settings cannot be altered once its booted. So the print out will follow the boot params; which is also the currently used params.
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