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
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