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485e38995c
Add the IFF_BACKPRESSURE flag to the UAPI header and to its tools/ copy. The flag has no effect yet, it is the opt-in switch for the qdisc backpressure logic added by the following patches. It is added to TUN_FEATURES only in the last patch of the series, once the implementation is complete. Until then TUNSETIFF silently masks it off, as it does for any flag outside TUN_FEATURES. Keeping the flag and its users in separate patches would either leave a window where backpressure is unconditional, or make the opt-in a later add-on. Adding the flag first lets every following patch be a no-op unless it is set. Signed-off-by: Simon Schippers <simon.schippers@tu-dortmund.de> Link: https://patch.msgid.link/20260803183641.96882-2-simon.schippers@tu-dortmund.de Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
History
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| .. | ||
| asm-generic | ||
| cxl | ||
| drm | ||
| fwctl | ||
| linux | ||
| misc | ||
| mtd | ||
| rdma | ||
| regulator | ||
| scsi | ||
| sound | ||
| video | ||
| xen | ||
| Kbuild | ||