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authorWei Liu <wei.liu@kernel.org>2021-02-15 10:44:58 +0000
committerWei Liu <wei.liu@kernel.org>2021-02-15 10:49:11 +0000
commit3019270282a175defc02c8331786c73e082cd2a8 (patch)
tree13a9b1c1be5030db044227dc12ff0b074443326d /drivers/net/hyperv
parentfb5ef35165a37ca63ef0227657eabd06f0a39cf9 (diff)
Revert "Drivers: hv: vmbus: Copy packets sent by Hyper-V out of the ring buffer"
This reverts commit a8c3209998afb5c4941b49e35b513cea9050cb4a. It is reported that the said commit caused regression in netvsc. Reported-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com> Signed-off-by: Wei Liu <wei.liu@kernel.org>
Diffstat (limited to 'drivers/net/hyperv')
-rw-r--r--drivers/net/hyperv/hyperv_net.h3
-rw-r--r--drivers/net/hyperv/netvsc.c2
-rw-r--r--drivers/net/hyperv/rndis_filter.c2
3 files changed, 0 insertions, 7 deletions
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 7ea6936f86ef..2a87cfa27ac0 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -860,12 +860,9 @@ static inline u32 netvsc_rqstor_size(unsigned long ringbytes)
ringbytes / NETVSC_MIN_IN_MSG_SIZE;
}
-#define NETVSC_MAX_XFER_PAGE_RANGES 375
#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 */
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 51005f2d4a82..2353623259f3 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -1544,8 +1544,6 @@ struct netvsc_device *netvsc_device_add(struct hv_device *device,
/* Open the channel */
device->channel->rqstor_size = netvsc_rqstor_size(netvsc_ring_bytes);
- device->channel->max_pkt_size = NETVSC_MAX_PKT_SIZE;
-
ret = vmbus_open(device->channel, netvsc_ring_bytes,
netvsc_ring_bytes, NULL, 0,
netvsc_channel_cb, net_device->chan_table);
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index 7e6dee2f02a4..598713c0d5a8 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -1174,8 +1174,6 @@ static void netvsc_sc_open(struct vmbus_channel *new_sc)
nvchan->channel = new_sc;
new_sc->rqstor_size = netvsc_rqstor_size(netvsc_ring_bytes);
- new_sc->max_pkt_size = NETVSC_MAX_PKT_SIZE;
-
ret = vmbus_open(new_sc, netvsc_ring_bytes,
netvsc_ring_bytes, NULL, 0,
netvsc_channel_cb, nvchan);