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c11d725d2f
netmap: improvements to the netmap kloop (CSB mode)
Changelist:
- Add the proper memory barriers in the kloop ring processing
functions.
- Fix memory barriers usage in the user helpers (nm_sync_kloop_appl_write,
nm_sync_kloop_appl_read).
- Fix nm_kr_txempty() helper to look at rhead rather than rcur. This
is important since the kloop can read a value of rcur which is ahead
of the value of rhead (see explanation in nm_sync_kloop_appl_write)
- Remove obsolete ptnetmap_guest_write_kring_csb() and
ptnet_guest_read_kring_csb().
- Prepare in advance the arguments for netmap_sync_kloop_[tr]x_ring(),
to make the kloop faster.
- Provide kernel and user implementation for nm_ldld_barrier() and
nm_ldst_barrier()
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| .. | ||
| if_em_netmap.h | ||
| if_igb_netmap.h | ||
| if_ixl_netmap.h | ||
| if_lem_netmap.h | ||
| if_re_netmap.h | ||
| if_vtnet_netmap.h | ||
| ixgbe_netmap.h | ||
| netmap.c | ||
| netmap_bdg.c | ||
| netmap_bdg.h | ||
| netmap_freebsd.c | ||
| netmap_generic.c | ||
| netmap_kern.h | ||
| netmap_kloop.c | ||
| netmap_legacy.c | ||
| netmap_mbq.c | ||
| netmap_mbq.h | ||
| netmap_mem2.c | ||
| netmap_mem2.h | ||
| netmap_monitor.c | ||
| netmap_null.c | ||
| netmap_offloadings.c | ||
| netmap_pipe.c | ||
| netmap_pt.c | ||
| netmap_vale.c | ||