diff options
Diffstat (limited to '0009-iwlwifi-mvm-rs-fix-search-cycle-rules.patch')
| -rw-r--r-- | 0009-iwlwifi-mvm-rs-fix-search-cycle-rules.patch | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/0009-iwlwifi-mvm-rs-fix-search-cycle-rules.patch b/0009-iwlwifi-mvm-rs-fix-search-cycle-rules.patch new file mode 100644 index 000000000000..5acbf53ddf73 --- /dev/null +++ b/0009-iwlwifi-mvm-rs-fix-search-cycle-rules.patch @@ -0,0 +1,125 @@ +From 06af061dd673d749d5516bea41e2becb034e00b8 Mon Sep 17 00:00:00 2001 +From: Eyal Shapira <eyal@wizery.com> +Date: Sun, 16 Mar 2014 05:23:21 +0200 +Subject: [PATCH 09/10] iwlwifi: mvm: rs: fix search cycle rules + +commit 8930b05090acd321b1fc7c642528c697cb105c42 upstream. + +We should explore all possible columns when searching to be +as resilient as possible to changing conditions. This fixes +for example a scenario where even after a sudden creation of +rssi difference between the 2 antennas we would keep doing MIMO +at a low rate instead of switching to SISO at a higher rate using +the better antenna which was the optimal configuration. + +Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com> +Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + drivers/net/wireless/iwlwifi/mvm/rs.c | 36 +++++++++++++++++------------------ + 1 file changed, 18 insertions(+), 18 deletions(-) + +diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c +index 6abf74e..5bc8715 100644 +--- a/drivers/net/wireless/iwlwifi/mvm/rs.c ++++ b/drivers/net/wireless/iwlwifi/mvm/rs.c +@@ -211,9 +211,9 @@ static const struct rs_tx_column rs_tx_columns[] = { + .next_columns = { + RS_COLUMN_LEGACY_ANT_B, + RS_COLUMN_SISO_ANT_A, ++ RS_COLUMN_SISO_ANT_B, + RS_COLUMN_MIMO2, +- RS_COLUMN_INVALID, +- RS_COLUMN_INVALID, ++ RS_COLUMN_MIMO2_SGI, + }, + }, + [RS_COLUMN_LEGACY_ANT_B] = { +@@ -221,10 +221,10 @@ static const struct rs_tx_column rs_tx_columns[] = { + .ant = ANT_B, + .next_columns = { + RS_COLUMN_LEGACY_ANT_A, ++ RS_COLUMN_SISO_ANT_A, + RS_COLUMN_SISO_ANT_B, + RS_COLUMN_MIMO2, +- RS_COLUMN_INVALID, +- RS_COLUMN_INVALID, ++ RS_COLUMN_MIMO2_SGI, + }, + }, + [RS_COLUMN_SISO_ANT_A] = { +@@ -234,8 +234,8 @@ static const struct rs_tx_column rs_tx_columns[] = { + RS_COLUMN_SISO_ANT_B, + RS_COLUMN_MIMO2, + RS_COLUMN_SISO_ANT_A_SGI, +- RS_COLUMN_INVALID, +- RS_COLUMN_INVALID, ++ RS_COLUMN_SISO_ANT_B_SGI, ++ RS_COLUMN_MIMO2_SGI, + }, + .checks = { + rs_siso_allow, +@@ -248,8 +248,8 @@ static const struct rs_tx_column rs_tx_columns[] = { + RS_COLUMN_SISO_ANT_A, + RS_COLUMN_MIMO2, + RS_COLUMN_SISO_ANT_B_SGI, +- RS_COLUMN_INVALID, +- RS_COLUMN_INVALID, ++ RS_COLUMN_SISO_ANT_A_SGI, ++ RS_COLUMN_MIMO2_SGI, + }, + .checks = { + rs_siso_allow, +@@ -263,8 +263,8 @@ static const struct rs_tx_column rs_tx_columns[] = { + RS_COLUMN_SISO_ANT_B_SGI, + RS_COLUMN_MIMO2_SGI, + RS_COLUMN_SISO_ANT_A, +- RS_COLUMN_INVALID, +- RS_COLUMN_INVALID, ++ RS_COLUMN_SISO_ANT_B, ++ RS_COLUMN_MIMO2, + }, + .checks = { + rs_siso_allow, +@@ -279,8 +279,8 @@ static const struct rs_tx_column rs_tx_columns[] = { + RS_COLUMN_SISO_ANT_A_SGI, + RS_COLUMN_MIMO2_SGI, + RS_COLUMN_SISO_ANT_B, +- RS_COLUMN_INVALID, +- RS_COLUMN_INVALID, ++ RS_COLUMN_SISO_ANT_A, ++ RS_COLUMN_MIMO2, + }, + .checks = { + rs_siso_allow, +@@ -292,10 +292,10 @@ static const struct rs_tx_column rs_tx_columns[] = { + .ant = ANT_AB, + .next_columns = { + RS_COLUMN_SISO_ANT_A, ++ RS_COLUMN_SISO_ANT_B, ++ RS_COLUMN_SISO_ANT_A_SGI, ++ RS_COLUMN_SISO_ANT_B_SGI, + RS_COLUMN_MIMO2_SGI, +- RS_COLUMN_INVALID, +- RS_COLUMN_INVALID, +- RS_COLUMN_INVALID, + }, + .checks = { + rs_mimo_allow, +@@ -307,10 +307,10 @@ static const struct rs_tx_column rs_tx_columns[] = { + .sgi = true, + .next_columns = { + RS_COLUMN_SISO_ANT_A_SGI, ++ RS_COLUMN_SISO_ANT_B_SGI, ++ RS_COLUMN_SISO_ANT_A, ++ RS_COLUMN_SISO_ANT_B, + RS_COLUMN_MIMO2, +- RS_COLUMN_INVALID, +- RS_COLUMN_INVALID, +- RS_COLUMN_INVALID, + }, + .checks = { + rs_mimo_allow, +-- +1.9.2 + |