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authorArnaldo Carvalho de Melo <acme@redhat.com>2021-06-30 15:27:32 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-06-30 15:27:32 -0300
commit857286e4c5ae5d2e860fd15d4628e707b434d7e5 (patch)
tree520ea5916f50fb2a4289d8d70438d559c6808b01 /drivers/net/hyperv/hyperv_net.h
parent51f382428c17f172f430f9be8de4246b8f15f97c (diff)
parent007b350a58754a93ca9fe50c498cc27780171153 (diff)
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/net/hyperv/hyperv_net.h')
-rw-r--r--drivers/net/hyperv/hyperv_net.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 442c520ab8f3..b11aa68b44ec 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -895,9 +895,16 @@ static inline u32 netvsc_rqstor_size(unsigned long ringbytes)
ringbytes / NETVSC_MIN_IN_MSG_SIZE;
}
+/* XFER PAGE packets can specify a maximum of 375 ranges for NDIS >= 6.0
+ * and a maximum of 64 ranges for NDIS < 6.0 with no RSC; with RSC, this
+ * limit is raised to 562 (= NVSP_RSC_MAX).
+ */
+#define NETVSC_MAX_XFER_PAGE_RANGES NVSP_RSC_MAX
#define NETVSC_XFER_HEADER_SIZE(rng_cnt) \
(offsetof(struct vmtransfer_page_packet_header, ranges) + \
(rng_cnt) * sizeof(struct vmtransfer_page_range))
+#define NETVSC_MAX_PKT_SIZE (NETVSC_XFER_HEADER_SIZE(NETVSC_MAX_XFER_PAGE_RANGES) + \
+ sizeof(struct nvsp_message) + (sizeof(u32) * VRSS_SEND_TAB_SIZE))
struct multi_send_data {
struct sk_buff *skb; /* skb containing the pkt */