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6e84772f4d
the non-aggregate path.
I "cheated" by using some TX setup code in our HAL that isn't present
in the atheros HAL (or Linux ath9k.)
The old path for forming aggregates was:
* setup the rate control in the first descriptor;
* call chaintxdesc() on all the frames;
* call setupfirsttxdesc() on the first descrpitor in the first
frame;
* call setuplasttxdesc() on the last descriptor in the last frame.
The new path for forming aggregates looks like the non-aggregate path:
* call setuptxdesc() on the first descriptor in the first frame;
* setup the rate control in the first descriptor;
* call filltxdesc() on each descriptor in the frame;
* if it's an aggregate - call set11n_aggr_{first, middle, last} as
appropriate (see the code for a description of what is "appropriate".)
Now, this is done primarily for the AR9300 HAL - it doesn't implement
the first set of aggregate functions. It just has the older methods
and the "first/middle/last" aggregate methods. So, let's convert the
code to use these.
Note: the AR5416 HAL in FreeBSD had that code (from me, a while ago)
and a previous commit brought it up to behave the same as the AR9300
HAL routines.
There's some further tidyups to be done - specifically, avoid doing
multiple calls to the 11n descriptor functions. I shouldn't call
clr11n_aggr(), then set11n_aggr_middle(), then also set11n_aggr_first().
On (at least MIPS) the TX descriptors are in non-cachable memory and
this will cause multiple slow writes.
I'll debug/tidy that up in a future commit.
Tested:
* AR9280, STA
* AR9280/AR9160, AP
* AR9380, STA (using a local, closed source HAL, sorry!)
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|---|---|---|
| .. | ||
| ath_dfs/null | ||
| ath_hal | ||
| ath_rate | ||
| ah_osdep.c | ||
| ah_osdep.h | ||
| if_ath.c | ||
| if_ath_ahb.c | ||
| if_ath_beacon.c | ||
| if_ath_beacon.h | ||
| if_ath_debug.c | ||
| if_ath_debug.h | ||
| if_ath_keycache.c | ||
| if_ath_keycache.h | ||
| if_ath_led.c | ||
| if_ath_led.h | ||
| if_ath_misc.h | ||
| if_ath_pci.c | ||
| if_ath_rx.c | ||
| if_ath_rx.h | ||
| if_ath_rx_edma.c | ||
| if_ath_rx_edma.h | ||
| if_ath_sysctl.c | ||
| if_ath_sysctl.h | ||
| if_ath_tdma.c | ||
| if_ath_tdma.h | ||
| if_ath_tsf.h | ||
| if_ath_tx.c | ||
| if_ath_tx.h | ||
| if_ath_tx_edma.c | ||
| if_ath_tx_edma.h | ||
| if_ath_tx_ht.c | ||
| if_ath_tx_ht.h | ||
| if_athdfs.h | ||
| if_athioctl.h | ||
| if_athrate.h | ||
| if_athvar.h | ||