diff options
| author | Wei Liu <wei.liu@kernel.org> | 2021-02-15 10:44:58 +0000 |
|---|---|---|
| committer | Wei Liu <wei.liu@kernel.org> | 2021-02-15 10:49:11 +0000 |
| commit | 3019270282a175defc02c8331786c73e082cd2a8 (patch) | |
| tree | 13a9b1c1be5030db044227dc12ff0b074443326d /drivers/net | |
| parent | fb5ef35165a37ca63ef0227657eabd06f0a39cf9 (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')
| -rw-r--r-- | drivers/net/hyperv/hyperv_net.h | 3 | ||||
| -rw-r--r-- | drivers/net/hyperv/netvsc.c | 2 | ||||
| -rw-r--r-- | drivers/net/hyperv/rndis_filter.c | 2 |
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); |