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mirror-linux/drivers/net/hyperv
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Aditya Garg d235649558 net: hv_netvsc: reject RSS hash key programming without RX indirection table 
RSS configuration requires a valid RX indirection table. When the device
reports a single receive queue, rndis_filter_device_add() does not
allocate an indirection table, accepting RSS hash key updates in this
state leads to a hang.

Fix this by gating netvsc_set_rxfh() on ndc->rx_table_sz and return
-EOPNOTSUPP when the table is absent. This aligns set_rxfh with the device
capabilities and prevents incorrect behavior.

Fixes: 962f3fee83 ("netvsc: add ethtool ops to get/set RSS key")
Signed-off-by: Aditya Garg <gargaditya@linux.microsoft.com>
Reviewed-by: Dipayaan Roy <dipayanroy@linux.microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Link: https://patch.msgid.link/1768212093-1594-1-git-send-email-gargaditya@linux.microsoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 		2026-01-13 19:07:31 -08:00
..
Kconfig Drivers: hv: Add CONFIG_HYPERV_VMBUS option 2025-10-01 00:00:42 +00:00
Makefile
…
hyperv_net.h hv_netvsc: Fix panic during namespace deletion with VF 2025-08-08 13:24:16 -07:00
netvsc.c net: hv_netvsc: fix loss of early receive events from host during channel open. 2025-08-26 18:15:19 -07:00
netvsc_bpf.c hv_netvsc: fix potential deadlock in netvsc_vf_setxdp() 2025-05-30 19:31:25 -07:00
netvsc_drv.c net: hv_netvsc: reject RSS hash key programming without RX indirection table 2026-01-13 19:07:31 -08:00
netvsc_trace.c
…
netvsc_trace.h tracing/treewide: Remove second parameter of __assign_str() 2024-05-22 20:14:47 -04:00
rndis_filter.c net: hv_netvsc: fix loss of early receive events from host during channel open. 2025-08-26 18:15:19 -07:00