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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 17:45:37 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 17:45:37 +0000
commit1c134c659904809d1ca3baf2bb295ca1c7107aee (patch)
treec55c18153612f7df8e54d15aa52db97552d7eb78 /drivers/net/hyperv/hyperv_net.h
parentReleasing progress-linux version 5.10.209-2progress6u1. (diff)
downloadlinux-1c134c659904809d1ca3baf2bb295ca1c7107aee.tar.xz
linux-1c134c659904809d1ca3baf2bb295ca1c7107aee.zip
Merging upstream version 5.10.216.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/hyperv/hyperv_net.h')
-rw-r--r--drivers/net/hyperv/hyperv_net.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 367878493..15652d795 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -847,6 +847,19 @@ struct nvsp_message {
#define NETVSC_XDP_HDRM 256
+#define NETVSC_MIN_OUT_MSG_SIZE (sizeof(struct vmpacket_descriptor) + \
+ sizeof(struct nvsp_message))
+#define NETVSC_MIN_IN_MSG_SIZE sizeof(struct vmpacket_descriptor)
+
+/* Estimated requestor size:
+ * out_ring_size/min_out_msg_size + in_ring_size/min_in_msg_size
+ */
+static inline u32 netvsc_rqstor_size(unsigned long ringbytes)
+{
+ return ringbytes / NETVSC_MIN_OUT_MSG_SIZE +
+ ringbytes / NETVSC_MIN_IN_MSG_SIZE;
+}
+
#define NETVSC_XFER_HEADER_SIZE(rng_cnt) \
(offsetof(struct vmtransfer_page_packet_header, ranges) + \
(rng_cnt) * sizeof(struct vmtransfer_page_range))