From: Guo-Fu Tseng <coolda...@cooldavid.org>
Read corresponding flags for RX checksum status, and update the
csum_stat field of the struct io_buffer.
Signed-off-by: Guo-Fu Tseng <coolda...@cooldavid.org>
---
src/drivers/net/jme.c | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/src/drivers/net/jme.c b/src/drivers/net/jme.c
index 17277d1..cc39222 100644
--- a/src/drivers/net/jme.c
+++ b/src/drivers/net/jme.c
@@ -589,6 +589,29 @@ jme_disable_rx_engine(struct jme_adapter *jme)
}
+static int
+jme_rxsum(u16 flags)
+{
+ if (!(flags & (RXWBFLAG_TCPON | RXWBFLAG_UDPON | RXWBFLAG_IPV4)))
+ return CHECKSUM_NONE;
+
+ if ((flags & (RXWBFLAG_MF | RXWBFLAG_TCPON | RXWBFLAG_TCPCS))
+ == RXWBFLAG_TCPON) {
+ return CHECKSUM_NONE;
+ }
+
+ if ((flags & (RXWBFLAG_MF | RXWBFLAG_UDPON | RXWBFLAG_UDPCS))
+ == RXWBFLAG_UDPON) {
+ return CHECKSUM_NONE;
+ }
+
+ if ((flags & (RXWBFLAG_IPV4 | RXWBFLAG_IPCS)) == RXWBFLAG_IPV4) {
+ return CHECKSUM_NONE;
+ }
+
+ return CHECKSUM_COMPLETE;
+}
+
static void
jme_refill_rx_ring(struct jme_adapter *jme, int curhole)
{
@@ -624,6 +647,7 @@ jme_alloc_and_feed_iob(struct jme_adapter *jme, int idx)
framesize = le16_to_cpu(rxdesc->descwb.framesize);
iob_put(rxbi, framesize);
+ rxbi->csum_stat = jme_rxsum(le16_to_cpu(rxdesc->descwb.flags));
netdev_rx(netdev, rxbi);
rxring->bufinf[idx] = NULL;
--
1.7.1
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