iwlegacy: merge reclaim check
Merge reclaim check for 3945 & 4965. This add some more checks for
3945, most importantly N_RX notify.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c
index 46b32d4..dc1d20c 100644
--- a/drivers/net/wireless/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/iwlegacy/3945-mac.c
@@ -1248,14 +1248,7 @@
len = le32_to_cpu(pkt->len_n_flags) & IL_RX_FRAME_SIZE_MSK;
len += sizeof(u32); /* account for status word */
- /* Reclaim a command buffer only if this packet is a response
- * to a (driver-originated) command.
- * If the packet (e.g. Rx frame) originated from uCode,
- * there is no command buffer to reclaim.
- * Ucode should set SEQ_RX_FRAME bit if ucode-originated,
- * but apparently a few don't get set; catch them here. */
- reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME) &&
- pkt->hdr.cmd != N_STATS && pkt->hdr.cmd != C_TX;
+ reclaim = il_need_reclaim(il, pkt);
/* Based on type of command response or notification,
* handle those that need handling via function in
diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index 43f488a..50673f7 100644
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -4274,17 +4274,7 @@
len = le32_to_cpu(pkt->len_n_flags) & IL_RX_FRAME_SIZE_MSK;
len += sizeof(u32); /* account for status word */
- /* Reclaim a command buffer only if this packet is a response
- * to a (driver-originated) command.
- * If the packet (e.g. Rx frame) originated from uCode,
- * there is no command buffer to reclaim.
- * Ucode should set SEQ_RX_FRAME bit if ucode-originated,
- * but apparently a few don't get set; catch them here. */
- reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME) &&
- (pkt->hdr.cmd != N_RX_PHY) && (pkt->hdr.cmd != N_RX) &&
- (pkt->hdr.cmd != N_RX_MPDU) &&
- (pkt->hdr.cmd != N_COMPRESSED_BA) &&
- (pkt->hdr.cmd != N_STATS) && (pkt->hdr.cmd != C_TX);
+ reclaim = il_need_reclaim(il, pkt);
/* Based on type of command response or notification,
* handle those that need handling via function in
diff --git a/drivers/net/wireless/iwlegacy/common.h b/drivers/net/wireless/iwlegacy/common.h
index ad123d6..21964d2 100644
--- a/drivers/net/wireless/iwlegacy/common.h
+++ b/drivers/net/wireless/iwlegacy/common.h
@@ -1978,6 +1978,20 @@
u32 il_read_targ_mem(struct il_priv *il, u32 addr);
void il_write_targ_mem(struct il_priv *il, u32 addr, u32 val);
+static inline bool il_need_reclaim(struct il_priv *il, struct il_rx_pkt *pkt)
+{
+ /* Reclaim a command buffer only if this packet is a response
+ * to a (driver-originated) command. If the packet (e.g. Rx frame)
+ * originated from uCode, there is no command buffer to reclaim.
+ * Ucode should set SEQ_RX_FRAME bit if ucode-originated, but
+ * apparently a few don't get set; catch them here.
+ */
+ return !(pkt->hdr.sequence & SEQ_RX_FRAME) &&
+ pkt->hdr.cmd != N_STATS && pkt->hdr.cmd != C_TX &&
+ pkt->hdr.cmd != N_RX_PHY && pkt->hdr.cmd != N_RX &&
+ pkt->hdr.cmd != N_RX_MPDU && pkt->hdr.cmd != N_COMPRESSED_BA;
+}
+
static inline void
_il_write8(struct il_priv *il, u32 ofs, u8 val)
{