wifi: ath12k: skip MLO multicast links during crash recovery in Tx path

In ath12k_wifi7_mac_op_tx(), the MLO multicast broadcast path iterates
over all active links and copies the original skb for transmission on
each link. When firmware crash recovery is underway (ATH12K_FLAG_CRASH_FLUSH
set), the per-link copy is allocated and partially processed before
ath12k_wifi7_dp_tx() eventually rejects it with -ESHUTDOWN.

This wastes GFP_ATOMIC memory and produces spurious "failed to transmit
frame" warnings for every active MLO link during the recovery window.
The unicast and non-MLO paths are unaffected: they call ath12k_wifi7_dp_tx()
directly, which already guards against the flag at its entry.

Skip any link whose associated ath12k_base has ATH12K_FLAG_CRASH_FLUSH set
before performing the skb_copy(), matching the behaviour of
ath12k_wifi7_dp_tx() but avoiding the unnecessary allocation entirely.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.6-01243-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c5-00302-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.115823.3

Signed-off-by: Pavankumar Nandeshwar <pavankumar.nandeshwar@oss.qualcomm.com>
Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
Reviewed-by: Rameshkumar Sundaram <rameshkumar.sundaram@oss.qualcomm.com>
Link: https://patch.msgid.link/20260723054653.2794550-1-pavankumar.nandeshwar@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>

0 files changed, 0 insertions, 0 deletions