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* [PATCH net-next 1/1] net: ethtool: reject unsupported RSS input xfrm values
@ 2024-01-04 21:26 Ahmed Zaki
  2024-01-06  3:40 ` patchwork-bot+netdevbpf
  0 siblings, 1 reply; 2+ messages in thread
From: Ahmed Zaki @ 2024-01-04 21:26 UTC (permalink / raw)
  To: netdev
  Cc: corbet, jesse.brandeburg, anthony.l.nguyen, davem, edumazet, kuba,
	pabeni, vladimir.oltean, andrew, horms, mkubecek, Ahmed Zaki

RXFH input_xfrm currently has three supported values: 0 (clear all),
symmetric_xor and NO_CHANGE.

Reject any other value sent from user-space.

Fixes: 13e59344fb9d ("net: ethtool: add support for symmetric-xor RSS hash")
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Ahmed Zaki <ahmed.zaki@intel.com>
---
 net/ethtool/ioctl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 4bc9a2a07bbb..7519b0818b91 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -1302,6 +1302,9 @@ static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev,
 	if (rxfh.rss_context && !ops->cap_rss_ctx_supported)
 		return -EOPNOTSUPP;
 	/* Check input data transformation capabilities */
+	if (rxfh.input_xfrm && rxfh.input_xfrm != RXH_XFRM_SYM_XOR &&
+	    rxfh.input_xfrm != RXH_XFRM_NO_CHANGE)
+		return -EINVAL;
 	if ((rxfh.input_xfrm & RXH_XFRM_SYM_XOR) &&
 	    !ops->cap_rss_sym_xor_supported)
 		return -EOPNOTSUPP;
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH net-next 1/1] net: ethtool: reject unsupported RSS input xfrm values
  2024-01-04 21:26 [PATCH net-next 1/1] net: ethtool: reject unsupported RSS input xfrm values Ahmed Zaki
@ 2024-01-06  3:40 ` patchwork-bot+netdevbpf
  0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+netdevbpf @ 2024-01-06  3:40 UTC (permalink / raw)
  To: Ahmed Zaki
  Cc: netdev, corbet, jesse.brandeburg, anthony.l.nguyen, davem,
	edumazet, kuba, pabeni, vladimir.oltean, andrew, horms, mkubecek

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Thu,  4 Jan 2024 14:26:53 -0700 you wrote:
> RXFH input_xfrm currently has three supported values: 0 (clear all),
> symmetric_xor and NO_CHANGE.
> 
> Reject any other value sent from user-space.
> 
> Fixes: 13e59344fb9d ("net: ethtool: add support for symmetric-xor RSS hash")
> Suggested-by: Jakub Kicinski <kuba@kernel.org>
> Signed-off-by: Ahmed Zaki <ahmed.zaki@intel.com>
> 
> [...]

Here is the summary with links:
  - [net-next,1/1] net: ethtool: reject unsupported RSS input xfrm values
    https://git.kernel.org/netdev/net-next/c/948f97f9d8d2

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 2+ messages in thread

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