diff options
| author | Ahmed Zaki <ahmed.zaki@intel.com> | 2024-01-04 14:26:53 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-01-05 19:23:15 -0800 |
| commit | 948f97f9d8d2aa3a742df028129d44130268f0e4 (patch) | |
| tree | 76cd4eec62441e832b0f9ed93e70ff221def0ee6 /net/ethtool | |
| parent | 2114e83381d3289a88378850f43069e79f848083 (diff) | |
net: ethtool: reject unsupported RSS input xfrm values
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>
Link: https://lore.kernel.org/r/20240104212653.394424-1-ahmed.zaki@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ethtool')
| -rw-r--r-- | net/ethtool/ioctl.c | 3 |
1 files changed, 3 insertions, 0 deletions
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; |