bnge: add ndo_set_rx_mode_async support

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Register bnge_set_rx_mode() as ndo_set_rx_mode_async to handle
unicast, multicast, broadcast, and promiscuous filter updates via
CFA_L2_SET_RX_MASK. The async variant receives pre-snapshotted address
lists from the kernel, allowing the driver to issue sleepable HWRM
firmware commands without holding the addr lock.

Move uc_update detection to the caller so the async path can compute
it directly from the snapshotted UC list before calling
bnge_cfg_rx_mode().

Handle -EAGAIN from bnge_hwrm_set_vnic_filter() and
bnge_hwrm_cfa_l2_set_rx_mask() on the open path by scheduling a retry
via netif_rx_mode_schedule_retry() rather than failing the open.

Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Reviewed-by: Dharmender Garg <dharmender.garg@broadcom.com>
Reviewed-by: Rahul Gupta <rahul-rg.gupta@broadcom.com>
Link: https://patch.msgid.link/20260731163712.3463362-3-vikas.gupta@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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This commit is contained in:

Vikas Gupta 2026-07-31 22:07:11 +05:30 • committed by Jakub Kicinski

parent d5d7b17b3f

commit fbe3647fd4

2 changed files with 62 additions and 11 deletions

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67

drivers/net/ethernet/broadcom/bnge/bnge_netdev.c

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6

drivers/net/ethernet/broadcom/bnge/bnge_netdev.h

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