Commit 3b4be9e0 authored by Juuso Oikarinen's avatar Juuso Oikarinen Committed by John W. Linville
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wl1271: Correction to TX block allocation calculation 



Correct the TX path implementation to allocate sufficient blocks in the
firmware for TX packets.

Signed-off-by: default avatarJuuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: default avatarKalle Valo <kalle.valo@nokia.com>
Signed-off-by: default avatarLuciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 9d565973

drivers/net/wireless/wl12xx/wl1271_tx.c

+1 −1
Original line number Diff line number Diff line
@@ -58,7 +58,7 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct sk_buff *skb, u32 extra) 
	/* approximate the number of blocks required for this packet

	   in the firmware */

	/* FIXME: try to figure out what is done here and make it cleaner */

	total_blocks = (skb->len) >> TX_HW_BLOCK_SHIFT_DIV;

	total_blocks = (total_len) >> TX_HW_BLOCK_SHIFT_DIV;

	excluded = (total_blocks << 2) + (skb->len & 0xff) + 34;

	total_blocks += (excluded > 252) ? 2 : 1;

	total_blocks += TX_HW_BLOCK_SPARE;