I am trying to get iSCSI boot working on a debian-based system
using built-in uEFI iSCSI initiator firmware and broadcom
NICs (bnx2x).
The debian initramfs uses the ibft support in iscsistart to log
into the root volume. The initramfs script uses iscsistart -N to
bring up the NICs before logging in with iscsstart -b. This
process works fine when using non-offload NICs, but fails when
using NICs using the bnx2, bnx2x, cxgb3, and cxgb4 drivers due to
the following code in
utils/fwparam_ibft/fw_entry.c:fw_setup_nics():
list_for_each_entry(context, &targets, list) {
> /* if it is a offload nic ignore it */
> if (!net_get_transport_name_from_netdev(context->iface,
> transport))
> continue
>
Which does a lookup in the table in usr/iscsi_net_util.c
static struct iscsi_net_driver net_drivers[] = {
> {"cxgb3", "cxgb3i" },
> {"cxgb4", "cxgb4i" },
> {"bnx2", "bnx2i" },
> {"bnx2x", "bnx2i"},
> {NULL, NULL}
> };
>
to see if -N should skip this NIC. I cannot determine the reason
for this check. Do iscsi offload NICs not need to be configured
for boot? The current code causes iscsi boots to fail. I removed the
check and booting works fine.
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