netmap error on -CURRENT with em and igb

[Eggert, Lars]

Hi,

I can't put em or igb interfaces into netmap mode on a recent -CURRENT (ix interfaces work on the same machines). Here are the pkt-gen and dmesg outputs:

# sudo sysctl dev.netmap.admode=1
# sudo sysctl dev.netmap.verbose=1

# sudo ./pkt-gen -i em1
790.411737 main [2274] interface is em1
790.411753 main [2397] running on 1 cpus (have 20)
790.411823 extract_ip_range [369] range is 10.0.0.1:0 to 10.0.0.1:0
790.411828 extract_ip_range [369] range is 10.1.0.1:0 to 10.1.0.1:0
790.625117 nm_open [898] NIOCREGIF failed: Operation not permitted em1
790.625126 main [2479] Unable to open netmap:em1: Operation not permitted
790.625129 main [2560] aborting

dmesg:
790.411868 [1776] netmap_interp_ringid      em1: tx [0,2) rx [0,2) id 0
790.419431 [ 551] nm_mem_assign_group       iommu_group 0
790.425548 [1148] netmap_config_obj_allocator objsize 1024 clustsize 4096 objects 4
790.434368 [1148] netmap_config_obj_allocator objsize 36864 clustsize 36864 objects 1
790.443390 [1148] netmap_config_obj_allocator objsize 2048 clustsize 4096 objects 2
790.452219 [1270] netmap_finalize_obj_allocator Pre-allocated 25 clusters (4/100KB) for 'netmap_if'
790.463605 [1270] netmap_finalize_obj_allocator Pre-allocated 200 clusters (36/7200KB) for 'netmap_ring'
790.534919 [1270] netmap_finalize_obj_allocator Pre-allocated 81920 clusters (4/327680KB) for 'netmap_buf'
790.546113 [1377] netmap_mem_finalize_all   interfaces 100 KB, rings 7200 KB, buffers 320 MB
790.555873 [1380] netmap_mem_finalize_all   Free buffers: 163838
790.605325 [1831] netmap_mem_global_deref   active = 0
790.612967 [ 949] netmap_close              dev 0xfffff8000a4d7c00 fflag 0x20003 devtype 8192 td 0xfffff8000b899000

# sudo ./pkt-gen -i igb1
094.077695 main [2274] interface is igb1
094.077711 main [2397] running on 1 cpus (have 10)
094.077822 extract_ip_range [369] range is 10.0.0.1:0 to 10.0.0.1:0
094.077827 extract_ip_range [369] range is 10.1.0.1:0 to 10.1.0.1:0
094.280311 nm_open [898] NIOCREGIF failed: Operation not permitted igb1
094.280319 main [2479] Unable to open netmap:igb1: Operation not permitted
094.280323 main [2560] aborting

dmesg:
094.077866 [1776] netmap_interp_ringid      igb1: tx [0,8) rx [0,8) id 0
094.085425 [ 551] nm_mem_assign_group       iommu_group 0
094.091449 [1148] netmap_config_obj_allocator objsize 1024 clustsize 4096 objects 4
094.100125 [1148] netmap_config_obj_allocator objsize 36864 clustsize 36864 objects 1
094.109004 [1148] netmap_config_obj_allocator objsize 2048 clustsize 4096 objects 2
094.117705 [1270] netmap_finalize_obj_allocator Pre-allocated 25 clusters (4/100KB) for 'netmap_if'
094.128918 [1270] netmap_finalize_obj_allocator Pre-allocated 200 clusters (36/7200KB) for 'netmap_ring'
094.199456 [1270] netmap_finalize_obj_allocator Pre-allocated 81920 clusters (4/327680KB) for 'netmap_buf'
094.210482 [1377] netmap_mem_finalize_all   interfaces 100 KB, rings 7200 KB, buffers 320 MB
094.220078 [1380] netmap_mem_finalize_all   Free buffers: 163838
094.260201 [1831] netmap_mem_global_deref   active = 0
094.268364 [ 949] netmap_close              dev 0xfffff8000a453000 fflag 0x20003 devtype 8192 td 0xfffff80014d45000

Lars
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 801 bytes
Desc: Message signed with OpenPGP
URL: <http://lists.freebsd.org/pipermail/freebsd-net/attachments/20170216/22542a81/attachment.sig>