sfc: Use separate hardware TX queues to select checksum generation

[linux-2.6-omap-h63xx.git] / drivers / net / sfc / selftest.c

diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 3b2de9fe7f27ee6607a3cdc17cf8a443285287c5..0a4778629178fd77e0b26c999162dbb3c026ab7f 100644 (file)
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -63,6 +63,10 @@ struct efx_selftest_state {
        int flush;
        int packet_count;
        struct sk_buff **skbs;
+
+       /* Checksums are being offloaded */
+       int offload_csum;
+
        atomic_t rx_good;
        atomic_t rx_bad;
        struct efx_loopback_payload payload;
@@ -292,8 +296,9 @@ void efx_loopback_rx_packet(struct efx_nic *efx,
        
        received = (struct efx_loopback_payload *) buf_ptr;
        received->ip.saddr = payload->ip.saddr;
-       received->ip.check = payload->ip.check;
-       
+       if (state->offload_csum)
+               received->ip.check = payload->ip.check;
+
        /* Check that header exists */
        if (pkt_len < sizeof(received->header)) {
                EFX_ERR(efx, "saw runt RX packet (length %d) in %s loopback "
@@ -634,6 +639,8 @@ static int efx_test_loopbacks(struct efx_nic *efx,
 
                /* Test every TX queue */
                efx_for_each_tx_queue(tx_queue, efx) {
+                       state->offload_csum = (tx_queue->queue ==
+                                              EFX_TX_QUEUE_OFFLOAD_CSUM);
                        rc |= efx_test_loopback(tx_queue,
                                                &tests->loopback[mode]);
                        if (rc)