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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 1O/pSNjYv35x6bpDAW70NdgDWictEkKWvZ7cPLuKpIOrXg+n9LOpgRDD+xneEoRd6wbXBU7V4sxvMrO+KS8nVUPpq32M3rBplmoMm4DnNvihJ9EALmFPWFMYqkVxliFDrkBGzzrNRPyTiDJ5rNKudLw+WNTfwlXX4Znme2ZlCjqSoK4N/iTW6pSg6vMud6ozgvCVJ7f/quEAaEpCY6Yo1Z61aZJxOXqrI0LsaMmsTzYzJ7EonyjkEgyYP/OcdRrsj05M+tVBQtPATZ8GLUYzzyPHP1BPYtbbleAEjyXZ0YLTHHp6jYw+A8qbjmy3R2RpjC24HU/SoE3nWEAdnNCChsT6aehNIpSqcZdlAEfPzeXsYuYIlDCeeS+pGO8rjGpZRRgxdp9ro6vjm3euBXaCuSk9Rgzv7M7LpGzF7QqkZXKbq9TH2PWkWCl6gRYqLOA6 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Feb 2026 09:56:27.9655 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 640c52a7-0e1f-443d-a553-08de6565ff3a X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CH1PEPF0000AD7D.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB8451 On 2/4/2026 9:00 PM, Arnd Bergmann wrote: > From: Arnd Bergmann > > Changing mlx5 to call ip6_dst_lookup() means it now fails to link > when IPv6 is a loadable module but ipsec support is built-in: > > ipsec.c:(.text+0x1061): undefined reference to `ip6_dst_lookup' > > Add a Kconfig dependency that removes avoids this configuration. > > Fixes: e35d7da8dd9e ("net/mlx5e: Use ip6_dst_lookup instead of ipv6_dst_lookup_flow for MAC init") > Signed-off-by: Arnd Bergmann > --- > drivers/net/ethernet/mellanox/mlx5/core/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig > index 9cf394c66939..c298efe93f97 100644 > --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig > +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig > @@ -154,6 +154,7 @@ config MLX5_EN_IPSEC > depends on MLX5_CORE_EN > depends on XFRM_OFFLOAD > depends on INET_ESP_OFFLOAD || INET6_ESP_OFFLOAD > + depends on IPV6!=m || MLX5_CORE=m Thanks for the fix. I received a report for this same error here: https://lore.kernel.org/oe-kbuild-all/202512261850.P5Jp5BSz-lkp@intel.com/ We were about to send a fix ourselves, it is to simply add: depends on IPV6 || !IPV6 Is there a specific reason to prefer "depends on IPV6!=m || MLX5_CORE=m"? To me, the IPV6 || !IPV6 syntax seems a bit cleaner. Thanks! Jianbo > help > Build support for IPsec cryptography-offload acceleration in the NIC. >