For the normal (non-sniffer) mode of operation, align Rx buffer on 4*n+2, so IP header (after 14 bytes of Ethernet header) will start dword aligned. This accelerated IP stack a little bit.
Signed-off-by: Vladimir Kondratiev <[email protected]> --- drivers/net/wireless/ath/wil6210/txrx.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 7f2f560..e1587b3 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -468,8 +468,11 @@ static int wil_rx_refill(struct wil6210_priv *wil, int count) struct vring *v = &wil->vring_rx; u32 next_tail; int rc = 0; + /* 2 bytes headroom in normal operation mode to achieve dword + * alignment for the IP header + */ int headroom = ndev->type == ARPHRD_IEEE80211_RADIOTAP ? - WIL6210_RTAP_SIZE : 0; + WIL6210_RTAP_SIZE : 2; for (; next_tail = wil_vring_next_tail(v), (next_tail != v->swhead) && (count-- > 0); -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
