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networking:generic_netlink_howto [2016/12/01 20:22] mgssnr [References] |
networking:generic_netlink_howto [2017/05/18 15:45] (current) Yaron_Shragai genl_register_ops is deprecated - provided appropriate replacement information. |
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| This section deals with the Generic Netlink subsystem in the Linux kernel and | This section deals with the Generic Netlink subsystem in the Linux kernel and | ||
| provides a simple example of how in-kernel users can make use of the Generic | provides a simple example of how in-kernel users can make use of the Generic | ||
| - | Netlink API. Don't forget to review section #4, "Recommendations", before | + | Netlink API. Don't forget to review section #4, "Recommendations", before writing any code as it can save you, and the people who review your code, |
| - | [[https://twitter.com/redgage | writing]] any code as it can save you, and the people who review your code, | + | |
| lots of time! | lots of time! | ||
| Line 120: | Line 119: | ||
| goto failure;</code> | goto failure;</code> | ||
| - | NOTE: This function doesn't exist past linux 3.12. | ||
| - | |||
| This call registers the new family name with the Generic Netlink mechanism and | This call registers the new family name with the Generic Netlink mechanism and | ||
| requests a new channel number which is stored in the genl_family struct, | requests a new channel number which is stored in the genl_family struct, | ||
| Line 134: | Line 131: | ||
| if (rc != 0) | if (rc != 0) | ||
| goto failure;</code> | goto failure;</code> | ||
| + | |||
| + | NOTE: This function doesn't exist past linux 3.12. | ||
| + | Up to linux 4.10, use genl_register_family_with_ops(). | ||
| + | On 4.10 and later, include a reference to your genl_ops struct as an element | ||
| + | in the genl_family struct (element .ops), as well as the number of commands | ||
| + | (element .n_ops). | ||
| This call registers the DOC_EXMPL_C_ECHO operation in association with the | This call registers the DOC_EXMPL_C_ECHO operation in association with the | ||