cd9ea11454
The primary purpose of rxq_rehash() function is to stop and restart reception on a queue after re-posting buffers. This may fail if the array that temporarily stores existing buffers for reuse cannot be allocated. Update rxq_rehash() to work on the target queue directly (not through a template copy) and avoid this allocation. rxq_alloc_elts() is modified accordingly to take buffers from an existing queue directly and update their refcount. Unlike rxq_rehash(), rxq_setup() must work on a temporary structure but should not allocate new mbufs from the pool while reinitializing an existing queue. This is achieved by using the refcount-aware rxq_alloc_elts() before overwriting queue data. Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com> Signed-off-by: Vasily Philipov <vasilyf@mellanox.com> |
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