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authorDavid S. Miller <davem@davemloft.net>2016-03-08 20:34:12 +0300
committerDavid S. Miller <davem@davemloft.net>2016-03-08 20:34:12 +0300
commit810813c47a564416f6306ae214e2661366c987a7 (patch)
treef0d1f856d4b0024324f642fe519963248828b83f /drivers/net/ethernet/cavium/thunder/nic.h
parentd66ab51442211158b677c2f12310c314d9587f74 (diff)
parente2857b8f11a289ed2b61d18d0665e05c1053c446 (diff)
downloadlinux-810813c47a564416f6306ae214e2661366c987a7.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Several cases of overlapping changes, as well as one instance (vxlan) of a bug fix in 'net' overlapping with code movement in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium/thunder/nic.h')
-rw-r--r--drivers/net/ethernet/cavium/thunder/nic.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h
index 00cc9156abbb..092f097a5943 100644
--- a/drivers/net/ethernet/cavium/thunder/nic.h
+++ b/drivers/net/ethernet/cavium/thunder/nic.h
@@ -116,6 +116,15 @@
#define NIC_PF_INTR_ID_MBOX0 8
#define NIC_PF_INTR_ID_MBOX1 9
+/* Minimum FIFO level before all packets for the CQ are dropped
+ *
+ * This value ensures that once a packet has been "accepted"
+ * for reception it will not get dropped due to non-availability
+ * of CQ descriptor. An errata in HW mandates this value to be
+ * atleast 0x100.
+ */
+#define NICPF_CQM_MIN_DROP_LEVEL 0x100
+
/* Global timer for CQ timer thresh interrupts
* Calculated for SCLK of 700Mhz
* value written should be a 1/16th of what is expected