diff options
| author |   Andrea Parri (Microsoft) <parri.andrea@gmail.com> | 2021-05-10 23:08:41 +0200 |
|---|---|---|
| committer |   Wei Liu <wei.liu@kernel.org> | 2021-05-14 17:39:32 +0000 |
| commit | bf5fd8cae3c8f0d1e6f71a076e0ce2bd17645d0b (patch) | |
| tree | 821a2794528229affecf651b860e9b7011d502c3 /drivers/net/hyperv | |
| parent | Drivers: hv: vmbus: Copy packets sent by Hyper-V out of the ring buffer (diff) | |
| download | wireguard-linux-bf5fd8cae3c8f0d1e6f71a076e0ce2bd17645d0b.tar.xz wireguard-linux-bf5fd8cae3c8f0d1e6f71a076e0ce2bd17645d0b.zip | |
scsi: storvsc: Use blk_mq_unique_tag() to generate requestIDs
Use blk_mq_unique_tag() to generate requestIDs for StorVSC, avoiding
all issues with allocating enough entries in the VMbus requestor.
Suggested-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20210510210841.370472-1-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/netvsc.c | 8 | ||||
| -rw-r--r-- | drivers/net/hyperv/rndis_filter.c | 2 |
2 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 067077138e52..7bd935412853 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -757,7 +757,7 @@ static void netvsc_send_tx_complete(struct net_device *ndev, int queue_sends; u64 cmd_rqst; - cmd_rqst = vmbus_request_addr(&channel->requestor, (u64)desc->trans_id); + cmd_rqst = channel->request_addr_callback(channel, (u64)desc->trans_id); if (cmd_rqst == VMBUS_RQST_ERROR) { netdev_err(ndev, "Incorrect transaction id\n"); return; @@ -817,8 +817,8 @@ static void netvsc_send_completion(struct net_device *ndev, /* First check if this is a VMBUS completion without data payload */ if (!msglen) { - cmd_rqst = vmbus_request_addr(&incoming_channel->requestor, - (u64)desc->trans_id); + cmd_rqst = incoming_channel->request_addr_callback(incoming_channel, + (u64)desc->trans_id); if (cmd_rqst == VMBUS_RQST_ERROR) { netdev_err(ndev, "Invalid transaction id\n"); return; @@ -1649,6 +1649,8 @@ struct netvsc_device *netvsc_device_add(struct hv_device *device, netvsc_poll, NAPI_POLL_WEIGHT); /* Open the channel */ + device->channel->next_request_id_callback = vmbus_next_request_id; + device->channel->request_addr_callback = vmbus_request_addr; device->channel->rqstor_size = netvsc_rqstor_size(netvsc_ring_bytes); device->channel->max_pkt_size = NETVSC_MAX_PKT_SIZE; diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index d7ff9ddcbae2..983bf362466a 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -1259,6 +1259,8 @@ static void netvsc_sc_open(struct vmbus_channel *new_sc) /* Set the channel before opening.*/ nvchan->channel = new_sc; + new_sc->next_request_id_callback = vmbus_next_request_id; + new_sc->request_addr_callback = vmbus_request_addr; new_sc->rqstor_size = netvsc_rqstor_size(netvsc_ring_bytes); new_sc->max_pkt_size = NETVSC_MAX_PKT_SIZE; |