This enables driver to rx another decapped a-msdu
frames. It should possibly help with throughputs
in some cases and reduce (or eliminate) number of
messages like this:
ath10k: error processing msdus -524
Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/htt_rx.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index e784c40..9b93aed 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -610,8 +610,7 @@ static int ath10k_htt_rx_amsdu(struct ath10k_htt *htt,
RX_MPDU_START_INFO0_ENCRYPT_TYPE);
/* FIXME: No idea what assumptions are safe here. Need logs */
- if ((fmt == RX_MSDU_DECAP_RAW && skb->next) ||
- (fmt == RX_MSDU_DECAP_8023_SNAP_LLC)) {
+ if ((fmt == RX_MSDU_DECAP_RAW && skb->next)) {
ath10k_htt_rx_free_msdu_chain(skb->next);
skb->next = NULL;
return -ENOTSUPP;
@@ -659,6 +658,15 @@ static int ath10k_htt_rx_amsdu(struct ath10k_htt *htt,
decap_hdr += roundup(crypto_len, 4);
}
+ if (fmt == RX_MSDU_DECAP_8023_SNAP_LLC) {
+ /* SNAP 802.3 consists of:
+ * [dst:6][src:6][len:2][dsap:1][ssap:1][ctl:1][snap:5]
+ * [data][fcs:4].
+ *
+ * Since this overlaps with A-MSDU header (da, sa, len)
+ * there's nothing extra to do. */
+ }
+
if (fmt == RX_MSDU_DECAP_ETHERNET2_DIX) {
/* Ethernet2 decap inserts ethernet header in place of
* A-MSDU subframe header. */
--
1.7.9.5
--
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