diff options
| -rw-r--r-- | package/madwifi/patches/425-rc_rexmit.patch | 507 |
1 files changed, 507 insertions, 0 deletions
diff --git a/package/madwifi/patches/425-rc_rexmit.patch b/package/madwifi/patches/425-rc_rexmit.patch new file mode 100644 index 000000000..6b06a8502 --- /dev/null +++ b/package/madwifi/patches/425-rc_rexmit.patch @@ -0,0 +1,507 @@ +--- a/net80211/ieee80211_rate.h ++++ b/net80211/ieee80211_rate.h +@@ -81,6 +81,8 @@ struct ieee80211vap; + + /* Multi-rare retry: 3 additional rate/retry pairs */ + struct ieee80211_mrr { ++ int rate0; ++ int retries0; + int rate1; + int retries1; + int rate2; +@@ -142,7 +144,7 @@ struct ieee80211_rate_ops { + * for packets that were successfully sent and for those that + * failed (consult the descriptor for details). */ + void (*tx_complete)(struct ath_softc *sc, struct ath_node *an, +- const struct ath_buf *bf); ++ const struct ath_buf *bf, const struct ieee80211_mrr *mrr); + }; + + struct ath_ratectrl { +--- a/ath/if_ath.c ++++ b/ath/if_ath.c +@@ -8634,6 +8634,8 @@ ath_tx_processq(struct ath_softc *sc, st + + ni = bf->bf_node; + if (ni != NULL) { ++ struct ieee80211_mrr mrr; ++ + an = ATH_NODE(ni); + if (ts->ts_status == 0) { + u_int8_t txant = ts->ts_antenna; +@@ -8686,15 +8688,43 @@ ath_tx_processq(struct ath_softc *sc, st + lr = ts->ts_longretry; + sc->sc_stats.ast_tx_shortretry += sr; + sc->sc_stats.ast_tx_longretry += lr; ++ memset(&mrr, 0, sizeof(mrr)); ++ ++ switch(ah->ah_macType) { ++ case 5210: ++ case 5211: ++ goto skip_mrr; ++ ++ case 5212: ++ mrr.rate0 = sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate0)].ieeerate; ++ mrr.rate1 = sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate1)].ieeerate; ++ mrr.rate2 = sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate2)].ieeerate; ++ mrr.rate3 = sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate3)].ieeerate; ++ break; ++ ++ case 5416: ++ mrr.rate0 = sc->sc_hwmap[MS(ds->ds_ctl3, AR5416_XmitRate0)].ieeerate; ++ mrr.rate1 = sc->sc_hwmap[MS(ds->ds_ctl3, AR5416_XmitRate1)].ieeerate; ++ mrr.rate2 = sc->sc_hwmap[MS(ds->ds_ctl3, AR5416_XmitRate2)].ieeerate; ++ mrr.rate3 = sc->sc_hwmap[MS(ds->ds_ctl3, AR5416_XmitRate3)].ieeerate; ++ break; ++ } ++ ++ mrr.retries0 = MS(ds->ds_ctl2, AR_XmitDataTries0); ++ mrr.retries1 = MS(ds->ds_ctl2, AR_XmitDataTries1); ++ mrr.retries2 = MS(ds->ds_ctl2, AR_XmitDataTries2); ++ mrr.retries3 = MS(ds->ds_ctl2, AR_XmitDataTries3); ++ + /* + * Hand the descriptor to the rate control algorithm + * if the frame wasn't dropped for filtering or sent + * w/o waiting for an ack. In those cases the rssi + * and retry counts will be meaningless. + */ ++skip_mrr: + if ((ts->ts_status & HAL_TXERR_FILT) == 0 && + (bf->bf_flags & HAL_TXDESC_NOACK) == 0) +- sc->sc_rc->ops->tx_complete(sc, an, bf); ++ sc->sc_rc->ops->tx_complete(sc, an, bf, &mrr); + } + + bus_unmap_single(sc->sc_bdev, bf->bf_skbaddr, +--- a/ath/if_athvar.h ++++ b/ath/if_athvar.h +@@ -595,6 +595,46 @@ struct ath_vap { + (_tqs)->axq_link = NULL; \ + } while (0) + ++/* ++ * Definitions for pulling the rate and trie counts from ++ * a 5212 h/w descriptor. These Don't belong here; the ++ * driver should record this information so the rate control ++ * code doesn't go groveling around in the descriptor bits. ++ */ ++#define ds_ctl2 ds_hw[0] ++#define ds_ctl3 ds_hw[1] ++ ++/* TX ds_ctl3 */ ++#define AR_XmitDataTries0 0x000f0000 /* series 0 max attempts */ ++#define AR_XmitDataTries0_S 16 ++#define AR_XmitDataTries1 0x00f00000 /* series 1 max attempts */ ++#define AR_XmitDataTries1_S 20 ++#define AR_XmitDataTries2 0x0f000000 /* series 2 max attempts */ ++#define AR_XmitDataTries2_S 24 ++#define AR_XmitDataTries3 0xf0000000 /* series 3 max attempts */ ++#define AR_XmitDataTries3_S 28 ++ ++/* TX ds_ctl3 */ ++#define AR_XmitRate0 0x0000001f /* series 0 tx rate */ ++#define AR_XmitRate0_S 0 ++#define AR_XmitRate1 0x000003e0 /* series 1 tx rate */ ++#define AR_XmitRate1_S 5 ++#define AR_XmitRate2 0x00007c00 /* series 2 tx rate */ ++#define AR_XmitRate2_S 10 ++#define AR_XmitRate3 0x000f8000 /* series 3 tx rate */ ++#define AR_XmitRate3_S 15 ++ ++#define AR5416_XmitRate0 0x000000ff ++#define AR5416_XmitRate0_S 0 ++#define AR5416_XmitRate1 0x0000ff00 ++#define AR5416_XmitRate1_S 8 ++#define AR5416_XmitRate2 0x00ff0000 ++#define AR5416_XmitRate2_S 16 ++#define AR5416_XmitRate3 0xff000000 ++#define AR5416_XmitRate3_S 24 ++ ++#define MS(_v, _f) (((_v) & (_f)) >> _f##_S) ++ + /* + * concat buffers from one queue to other + */ +--- a/ath_rate/amrr/amrr.c ++++ b/ath_rate/amrr/amrr.c +@@ -123,7 +123,8 @@ ath_rate_get_mrr(struct ath_softc *sc, s + + static void + ath_rate_tx_complete(struct ath_softc *sc, +- struct ath_node *an, const struct ath_buf *bf) ++ struct ath_node *an, const struct ath_buf *bf, ++ const struct ieee80211_mrr *mrr) + { + struct amrr_node *amn = ATH_NODE_AMRR(an); + const struct ath_tx_status *ts = &bf->bf_dsstatus.ds_txstat; +--- a/ath_rate/minstrel/minstrel.c ++++ b/ath_rate/minstrel/minstrel.c +@@ -333,7 +333,8 @@ ath_rate_get_mrr(struct ath_softc *sc, s + + static void + ath_rate_tx_complete(struct ath_softc *sc, +- struct ath_node *an, const struct ath_buf *bf) ++ struct ath_node *an, const struct ath_buf *bf, ++ const struct ieee80211_mrr *mrr) + { + struct minstrel_node *sn = ATH_NODE_MINSTREL(an); + struct ieee80211com *ic = &sc->sc_ic; +@@ -341,12 +342,9 @@ ath_rate_tx_complete(struct ath_softc *s + const struct ath_desc *ds = &bf->bf_desc[0]; + int final_rate = 0; + int tries = 0; +- int mrr; ++ int use_mrr; + int final_ndx; +- int rate0, tries0, ndx0; +- int rate1, tries1, ndx1; +- int rate2, tries2, ndx2; +- int rate3, tries3, ndx3; ++ int ndx0, ndx1, ndx2, ndx3; + + /* This is the index in the retry chain we finish at. + * With no retransmits, it is always 0. +@@ -376,9 +374,9 @@ ath_rate_tx_complete(struct ath_softc *s + if (!ts->ts_status) /* Success when sending a packet*/ + sn->rs_ratesuccess[final_ndx]++; + +- mrr = sc->sc_mrretry && !(ic->ic_flags & IEEE80211_F_USEPROT) && ENABLE_MRR; ++ use_mrr = sc->sc_mrretry && !(ic->ic_flags & IEEE80211_F_USEPROT) && ENABLE_MRR; + +- if (!mrr) { ++ if (!use_mrr) { + if ((0 <= final_ndx) && (final_ndx < sn->num_rates)) { + sn->rs_rateattempts[final_ndx] += tries; /* only one rate was used */ + } +@@ -388,47 +386,36 @@ ath_rate_tx_complete(struct ath_softc *s + /* Now, query the hal/hardware to find out the contents of the multirate retry chain. + * If we have it set to 6,3,2,2, this call will always return 6,3,2,2. For some packets, we can + * get a mrr of 0, -1, -1, -1, which indicates there is no chain installed for that packet */ +- rate0 = sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate0)].ieeerate; +- tries0 = MS(ds->ds_ctl2, AR_XmitDataTries0); +- ndx0 = rate_to_ndx(sn, rate0); ++ ndx0 = rate_to_ndx(sn, mrr->rate0); ++ ndx1 = rate_to_ndx(sn, mrr->rate1); ++ ndx2 = rate_to_ndx(sn, mrr->rate2); ++ ndx3 = rate_to_ndx(sn, mrr->rate3); + +- rate1 = sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate1)].ieeerate; +- tries1 = MS(ds->ds_ctl2, AR_XmitDataTries1); +- ndx1 = rate_to_ndx(sn, rate1); +- +- rate2 = sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate2)].ieeerate; +- tries2 = MS(ds->ds_ctl2, AR_XmitDataTries2); +- ndx2 = rate_to_ndx(sn, rate2); +- +- rate3 = sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate3)].ieeerate; +- tries3 = MS(ds->ds_ctl2, AR_XmitDataTries3); +- ndx3 = rate_to_ndx(sn, rate3); +- +- sn->rs_rateattempts[ndx0] += MIN(tries, tries0); +- if (tries <= tries0) ++ sn->rs_rateattempts[ndx0] += MIN(tries, mrr->retries0); ++ if (tries <= mrr->retries0) + return; + +- if (tries1 < 0) ++ if (mrr->retries1 < 0) + return; +- tries = tries - tries0; +- sn->rs_rateattempts[ndx1] += MIN(tries, tries1); +- if (tries <= tries1) ++ tries = tries - mrr->retries0; ++ sn->rs_rateattempts[ndx1] += MIN(tries, mrr->retries1); ++ if (tries <= mrr->retries1) + return; + + if (bf->rcflags) + sn->sample_count++; + +- if (tries2 < 0) ++ if (mrr->retries2 < 0) + return; +- tries = tries - tries1; +- sn->rs_rateattempts[ndx2] += MIN(tries, tries2); +- if (tries <= tries2) ++ tries = tries - mrr->retries1; ++ sn->rs_rateattempts[ndx2] += MIN(tries, mrr->retries2); ++ if (tries <= mrr->retries2) + return; + +- if (tries3 < 0) ++ if (mrr->retries3 < 0) + return; +- tries = tries - tries2; +- sn->rs_rateattempts[ndx3] += MIN(tries, tries3); ++ tries = tries - mrr->retries2; ++ sn->rs_rateattempts[ndx3] += MIN(tries, mrr->retries3); + } + + static void +--- a/ath_rate/minstrel/minstrel.h ++++ b/ath_rate/minstrel/minstrel.h +@@ -171,36 +171,6 @@ struct minstrel_node { + + #define ATH_NODE_MINSTREL(an) ((struct minstrel_node *)&an[1]) + +-/* +- * Definitions for pulling the rate and trie counts from +- * a 5212 h/w descriptor. These Don't belong here; the +- * driver should record this information so the rate control +- * code doesn't go groveling around in the descriptor bits. +- */ +-#define ds_ctl2 ds_hw[0] +-#define ds_ctl3 ds_hw[1] +- +-/* TX ds_ctl3 */ +-#define AR_XmitDataTries0 0x000f0000 /* series 0 max attempts */ +-#define AR_XmitDataTries0_S 16 +-#define AR_XmitDataTries1 0x00f00000 /* series 1 max attempts */ +-#define AR_XmitDataTries1_S 20 +-#define AR_XmitDataTries2 0x0f000000 /* series 2 max attempts */ +-#define AR_XmitDataTries2_S 24 +-#define AR_XmitDataTries3 0xf0000000 /* series 3 max attempts */ +-#define AR_XmitDataTries3_S 28 +- +-/* TX ds_ctl3 */ +-#define AR_XmitRate0 0x0000001f /* series 0 tx rate */ +-#define AR_XmitRate0_S 0 +-#define AR_XmitRate1 0x000003e0 /* series 1 tx rate */ +-#define AR_XmitRate1_S 5 +-#define AR_XmitRate2 0x00007c00 /* series 2 tx rate */ +-#define AR_XmitRate2_S 10 +-#define AR_XmitRate3 0x000f8000 /* series 3 tx rate */ +-#define AR_XmitRate3_S 15 +- +-#define MS(_v, _f) (((_v) & (_f)) >> _f##_S) + #endif /* _DEV_ATH_RATE_MINSTEL_H */ + + /* The comment below is magic for those who use emacs to edit this file. */ +--- a/ath_rate/onoe/onoe.c ++++ b/ath_rate/onoe/onoe.c +@@ -137,7 +137,8 @@ ath_rate_get_mrr(struct ath_softc *sc, s + + static void + ath_rate_tx_complete(struct ath_softc *sc, +- struct ath_node *an, const struct ath_buf *bf) ++ struct ath_node *an, const struct ath_buf *bf, ++ const struct ieee80211_mrr *mrr) + { + struct onoe_node *on = ATH_NODE_ONOE(an); + const struct ath_tx_status *ts = &bf->bf_dsstatus.ds_txstat; +--- a/ath_rate/sample/sample.c ++++ b/ath_rate/sample/sample.c +@@ -178,10 +178,6 @@ static __inline int best_rate_ndx(struct + !sn->stats[size_bin][x].packets_acked)) + continue; + +- /* 9 megabits never works better than 12 */ +- if (sn->rates[x].rate == 18) +- continue; +- + /* don't use a bit-rate that has been failing */ + if (sn->stats[size_bin][x].successive_failures > 3) + continue; +@@ -234,10 +230,6 @@ pick_sample_ndx(struct sample_node *sn, + if (sn->rates[ndx].rate > 22 && ndx > current_ndx + 2) + continue; + +- /* 9 megabits never works better than 12 */ +- if (sn->rates[ndx].rate == 18) +- continue; +- + /* if we're using 11 megabits, only sample up to 12 megabits + */ + if (sn->rates[current_ndx].rate == 22 && ndx > current_ndx + 1) +@@ -531,7 +523,8 @@ update_stats(struct ath_softc *sc, struc + + static void + ath_rate_tx_complete(struct ath_softc *sc, +- struct ath_node *an, const struct ath_buf *bf) ++ struct ath_node *an, const struct ath_buf *bf, ++ const struct ieee80211_mrr *mrr) + { + struct sample_node *sn = ATH_NODE_SAMPLE(an); + struct ieee80211com *ic = &sc->sc_ic; +@@ -541,7 +534,7 @@ ath_rate_tx_complete(struct ath_softc *s + unsigned int short_tries; + unsigned int long_tries; + unsigned int frame_size; +- unsigned int mrr; ++ unsigned int use_mrr; + + final_rate = sc->sc_hwmap[ts->ts_rate &~ HAL_TXSTAT_ALTRATE].ieeerate; + short_tries = ts->ts_shortretry + 1; +@@ -557,7 +550,7 @@ ath_rate_tx_complete(struct ath_softc *s + return; + } + +- mrr = sc->sc_mrretry && !(ic->ic_flags & IEEE80211_F_USEPROT) && ENABLE_MRR; ++ use_mrr = sc->sc_mrretry && !(ic->ic_flags & IEEE80211_F_USEPROT) && ENABLE_MRR; + + + if (sc->sc_mrretry && ts->ts_status) { +@@ -566,22 +559,15 @@ ath_rate_tx_complete(struct ath_softc *s + dev_info, + MAC_ADDR(an->an_node.ni_macaddr), + bin_to_size(size_to_bin(frame_size)), +- sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate0)].ieeerate, +- MS(ds->ds_ctl2, AR_XmitDataTries0), +- sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate1)].ieeerate, +- MS(ds->ds_ctl2, AR_XmitDataTries1), +- sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate2)].ieeerate, +- MS(ds->ds_ctl2, AR_XmitDataTries2), +- sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate3)].ieeerate, +- MS(ds->ds_ctl2, AR_XmitDataTries3), ++ mrr->rate0, ++ mrr->rate1, ++ mrr->rate2, ++ mrr->rate3, + ts->ts_status ? "FAIL" : "OK", + short_tries, long_tries); + } + +- mrr = sc->sc_mrretry && !(ic->ic_flags & IEEE80211_F_USEPROT) && ENABLE_MRR; +- +- +- if (!mrr || !(ts->ts_rate & HAL_TXSTAT_ALTRATE)) { ++ if (!use_mrr || !(ts->ts_rate & HAL_TXSTAT_ALTRATE)) { + /* only one rate was used */ + int ndx = rate_to_ndx(sn, final_rate); + if ((ndx >= 0) && (ndx < sn->num_rates)) { +@@ -593,7 +579,6 @@ ath_rate_tx_complete(struct ath_softc *s + short_tries, long_tries, ts->ts_status); + } + } else { +- unsigned int rate[4], tries[4]; + int ndx[4]; + int finalTSIdx = ts->ts_finaltsi; + +@@ -601,21 +586,10 @@ ath_rate_tx_complete(struct ath_softc *s + * Process intermediate rates that failed. + */ + +- rate[0] = sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate0)].ieeerate; +- tries[0] = MS(ds->ds_ctl2, AR_XmitDataTries0); +- ndx[0] = rate_to_ndx(sn, rate[0]); +- +- rate[1] = sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate1)].ieeerate; +- tries[1] = MS(ds->ds_ctl2, AR_XmitDataTries1); +- ndx[1] = rate_to_ndx(sn, rate[1]); +- +- rate[2] = sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate2)].ieeerate; +- tries[2] = MS(ds->ds_ctl2, AR_XmitDataTries2); +- ndx[2] = rate_to_ndx(sn, rate[2]); +- +- rate[3] = sc->sc_hwmap[MS(ds->ds_ctl3, AR_XmitRate3)].ieeerate; +- tries[3] = MS(ds->ds_ctl2, AR_XmitDataTries3); +- ndx[3] = rate_to_ndx(sn, rate[3]); ++ ndx[0] = rate_to_ndx(sn, mrr->rate0); ++ ndx[1] = rate_to_ndx(sn, mrr->rate1); ++ ndx[2] = rate_to_ndx(sn, mrr->rate2); ++ ndx[3] = rate_to_ndx(sn, mrr->rate3); + + #if 0 + DPRINTF(sc, ATH_DEBUG_RATE, "%s: " MAC_FMT " size %u finaltsidx %u tries %u status %u rate/try %u/%u %u/%u %u/%u %u/%u\n", +@@ -636,43 +610,43 @@ ath_rate_tx_complete(struct ath_softc *s + * sample higher rates 1 try at a time doing so + * may unfairly penalize them. + */ +- if (tries[0] && ndx[0] >= 0) { ++ if (mrr->retries0 && ndx[0] >= 0) { + update_stats(sc, an, frame_size, +- ndx[0], tries[0], +- ndx[1], tries[1], +- ndx[2], tries[2], +- ndx[3], tries[3], ++ ndx[0], mrr->retries0, ++ ndx[1], mrr->retries1, ++ ndx[2], mrr->retries2, ++ ndx[3], mrr->retries3, + short_tries, long_tries, +- long_tries > tries[0]); +- long_tries -= tries[0]; ++ long_tries > mrr->retries0); ++ long_tries -= mrr->retries0; + + } + +- if (tries[1] && ndx[1] >= 0 && finalTSIdx > 0) { ++ if (mrr->retries1 && ndx[1] >= 0 && finalTSIdx > 0) { + update_stats(sc, an, frame_size, +- ndx[1], tries[1], +- ndx[2], tries[2], +- ndx[3], tries[3], ++ ndx[1], mrr->retries1, ++ ndx[2], mrr->retries2, ++ ndx[3], mrr->retries3, + 0, 0, + short_tries, long_tries, + ts->ts_status); +- long_tries -= tries[1]; ++ long_tries -= mrr->retries1; + } + +- if (tries[2] && ndx[2] >= 0 && finalTSIdx > 1) { ++ if (mrr->retries2 && ndx[2] >= 0 && finalTSIdx > 1) { + update_stats(sc, an, frame_size, +- ndx[2], tries[2], +- ndx[3], tries[3], ++ ndx[2], mrr->retries2, ++ ndx[3], mrr->retries3, + 0, 0, + 0, 0, + short_tries, long_tries, + ts->ts_status); +- long_tries -= tries[2]; ++ long_tries -= mrr->retries2; + } + +- if (tries[3] && ndx[3] >= 0 && finalTSIdx > 2) { ++ if (mrr->retries3 && ndx[3] >= 0 && finalTSIdx > 2) { + update_stats(sc, an, frame_size, +- ndx[3], tries[3], ++ ndx[3], mrr->retries3, + 0, 0, + 0, 0, + 0, 0, +--- a/ath_rate/sample/sample.h ++++ b/ath_rate/sample/sample.h +@@ -98,36 +98,4 @@ struct sample_node { + }; + #define ATH_NODE_SAMPLE(an) ((struct sample_node *)&an[1]) + +- +-/* +- * Definitions for pulling the rate and trie counts from +- * a 5212 h/w descriptor. These Don't belong here; the +- * driver should record this information so the rate control +- * code doesn't go groveling around in the descriptor bits. +- */ +-#define ds_ctl2 ds_hw[0] +-#define ds_ctl3 ds_hw[1] +- +-/* TX ds_ctl3 */ +-#define AR_XmitDataTries0 0x000f0000 /* series 0 max attempts */ +-#define AR_XmitDataTries0_S 16 +-#define AR_XmitDataTries1 0x00f00000 /* series 1 max attempts */ +-#define AR_XmitDataTries1_S 20 +-#define AR_XmitDataTries2 0x0f000000 /* series 2 max attempts */ +-#define AR_XmitDataTries2_S 24 +-#define AR_XmitDataTries3 0xf0000000 /* series 3 max attempts */ +-#define AR_XmitDataTries3_S 28 +- +-/* TX ds_ctl3 */ +-#define AR_XmitRate0 0x0000001f /* series 0 tx rate */ +-#define AR_XmitRate0_S 0 +-#define AR_XmitRate1 0x000003e0 /* series 1 tx rate */ +-#define AR_XmitRate1_S 5 +-#define AR_XmitRate2 0x00007c00 /* series 2 tx rate */ +-#define AR_XmitRate2_S 10 +-#define AR_XmitRate3 0x000f8000 /* series 3 tx rate */ +-#define AR_XmitRate3_S 15 +- +-#define MS(_v, _f) (((_v) & (_f)) >> _f##_S) +- + #endif /* _DEV_ATH_RATE_SAMPLE_H */ |