diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-29 11:21:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-29 11:21:35 -0700 |
| commit | b694011a4aec3e8df98bc59fdb78e018b09de79d (patch) | |
| tree | bbbe4c92f12cfb7a50d85dbf1509e51acb19f497 /drivers/net/hyperv/hyperv_net.h | |
| parent | c54b245d011855ea91c5beff07f1db74143ce614 (diff) | |
| parent | 7d815f4afa87f2032b650ae1bba7534b550a6b8b (diff) | |
Merge tag 'hyperv-next-signed-20210629' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv updates from Wei Liu:
"Just a few minor enhancement patches and bug fixes"
* tag 'hyperv-next-signed-20210629' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
PCI: hv: Add check for hyperv_initialized in init_hv_pci_drv()
Drivers: hv: Move Hyper-V extended capability check to arch neutral code
drivers: hv: Fix missing error code in vmbus_connect()
x86/hyperv: fix logical processor creation
hv_utils: Fix passing zero to 'PTR_ERR' warning
scsi: storvsc: Use blk_mq_unique_tag() to generate requestIDs
Drivers: hv: vmbus: Copy packets sent by Hyper-V out of the ring buffer
hv_balloon: Remove redundant assignment to region_start
Diffstat (limited to 'drivers/net/hyperv/hyperv_net.h')
| -rw-r--r-- | drivers/net/hyperv/hyperv_net.h | 7 |
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 */ |