the firmware is not copied by update-initramfs because the driver doesn't declare it uses this firmware:
$ modinfo /lib/modules/5.15.0-100-generic/kernel/drivers/net/ethernet/broadcom/bnx2x/bnx2x.ko filename: /lib/modules/5.15.0-100-generic/kernel/drivers/net/ethernet/broadcom/bnx2x/bnx2x.ko firmware: bnx2x/bnx2x-e2-7.13.15.0.fw firmware: bnx2x/bnx2x-e1h-7.13.15.0.fw firmware: bnx2x/bnx2x-e1-7.13.15.0.fw firmware: bnx2x/bnx2x-e2-7.13.21.0.fw firmware: bnx2x/bnx2x-e1h-7.13.21.0.fw firmware: bnx2x/bnx2x-e1-7.13.21.0.fw
we need to check whether we can force the inclusion of this file
the firmware is not copied by update-initramfs because the driver doesn't declare it uses this firmware:
$ modinfo /lib/modules/ 5.15.0- 100-generic/ kernel/ drivers/ net/ethernet/ broadcom/ bnx2x/bnx2x. ko 5.15.0- 100-generic/ kernel/ drivers/ net/ethernet/ broadcom/ bnx2x/bnx2x. ko e2-7.13. 15.0.fw e1h-7.13. 15.0.fw e1-7.13. 15.0.fw e2-7.13. 21.0.fw e1h-7.13. 21.0.fw e1-7.13. 21.0.fw
filename: /lib/modules/
firmware: bnx2x/bnx2x-
firmware: bnx2x/bnx2x-
firmware: bnx2x/bnx2x-
firmware: bnx2x/bnx2x-
firmware: bnx2x/bnx2x-
firmware: bnx2x/bnx2x-
we need to check whether we can force the inclusion of this file