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| author | Rob Clark <robin.clark@oss.qualcomm.com> | 2025-06-29 05:54:49 +0300 |
|---|---|---|
| committer | Rob Clark <robin.clark@oss.qualcomm.com> | 2025-06-29 05:54:49 +0300 |
| commit | 74f1af95820fc2ee580a775a3a17c416db30b38c (patch) | |
| tree | 7c82cffe3c1d99b99053d28b57a4ac5d81f85844 /drivers/net/hyperv/hyperv_net.h | |
| parent | d3deabe4c619875714b9a844b1a3d9752dbae1dd (diff) | |
| parent | f41830c57bb8e70e283b9db251c95f1270a8279d (diff) | |
| download | linux-74f1af95820fc2ee580a775a3a17c416db30b38c.tar.xz | |
Merge remote-tracking branch 'drm/drm-next' into msm-next
Back-merge drm-next to (indirectly) get arm-smmu updates for making
stall-on-fault more reliable.
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Diffstat (limited to 'drivers/net/hyperv/hyperv_net.h')
| -rw-r--r-- | drivers/net/hyperv/hyperv_net.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 70f7cb383228..cb6f5482d203 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -158,7 +158,6 @@ struct hv_netvsc_packet { u8 cp_partial; /* partial copy into send buffer */ u8 rmsg_size; /* RNDIS header and PPI size */ - u8 rmsg_pgcnt; /* page count of RNDIS header and PPI */ u8 page_buf_cnt; u16 q_idx; @@ -893,6 +892,18 @@ struct nvsp_message { sizeof(struct nvsp_message)) #define NETVSC_MIN_IN_MSG_SIZE sizeof(struct vmpacket_descriptor) +/* Maximum # of contiguous data ranges that can make up a trasmitted packet. + * Typically it's the max SKB fragments plus 2 for the rndis packet and the + * linear portion of the SKB. But if MAX_SKB_FRAGS is large, the value may + * need to be limited to MAX_PAGE_BUFFER_COUNT, which is the max # of entries + * in a GPA direct packet sent to netvsp over VMBus. + */ +#if MAX_SKB_FRAGS + 2 < MAX_PAGE_BUFFER_COUNT +#define MAX_DATA_RANGES (MAX_SKB_FRAGS + 2) +#else +#define MAX_DATA_RANGES MAX_PAGE_BUFFER_COUNT +#endif + /* Estimated requestor size: * out_ring_size/min_out_msg_size + in_ring_size/min_in_msg_size */ |