wl12xx: use 2 spare TX blocks for GEM cipher
Add tx_spare_blocks member to the wl1271 struct
for more generic configuration of the amount
of spare TX blocks that should be used.
The default value is 1.
In case GEM cipher is used by the STA, we need
2 spare TX blocks instead of just 1.
Signed-off-by: Guy Eilam <guy@wizery.com>
Acked-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 82f4408..20e7bc7 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -2064,6 +2064,7 @@
wl->session_counter = 0;
wl->rate_set = CONF_TX_RATE_MASK_BASIC;
wl->vif = NULL;
+ wl->tx_spare_blocks = TX_HW_BLOCK_SPARE_DEFAULT;
wl1271_free_ap_keys(wl);
memset(wl->ap_hlid_map, 0, sizeof(wl->ap_hlid_map));
wl->ap_fw_ps_map = 0;
@@ -2653,6 +2654,17 @@
0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};
+ /*
+ * A STA set to GEM cipher requires 2 tx spare blocks.
+ * Return to default value when GEM cipher key is removed
+ */
+ if (key_type == KEY_GEM) {
+ if (action == KEY_ADD_OR_REPLACE)
+ wl->tx_spare_blocks = 2;
+ else if (action == KEY_REMOVE)
+ wl->tx_spare_blocks = TX_HW_BLOCK_SPARE_DEFAULT;
+ }
+
addr = sta ? sta->addr : bcast_addr;
if (is_zero_ether_addr(addr)) {
@@ -4599,6 +4611,7 @@
wl->sched_scanning = false;
wl->tx_security_seq = 0;
wl->tx_security_last_seq_lsb = 0;
+ wl->tx_spare_blocks = TX_HW_BLOCK_SPARE_DEFAULT;
wl->role_id = WL12XX_INVALID_ROLE_ID;
wl->system_hlid = WL12XX_SYSTEM_HLID;
wl->sta_hlid = WL12XX_INVALID_LINK_ID;