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authorPaolo Abeni <pabeni@redhat.com>2017-09-13 17:54:52 +0200
committerTobias Klauser <tklauser@distanz.ch>2017-09-15 08:41:02 +0200
commit443d97581b9b715b8f40ae35fdeaf272caa296a4 (patch)
treeb558429433a627ec9c03f348bcdd668fa4568686 /bpfc.c
parent285ac73006e2e4af6e0e4cb0eaa178b13cdcba8f (diff)
trafgen: fix packet socket initialization with multiple CPUs
The commit 78c13b71e196 ("trafgen: Allow to generate packets to output pcap file") introduced a regression when output is a network device and multiple CPU are in use: the packet socket is created before fork() and thus the socket is shared among all the processes: all of them except the first will fail while setting the tx_ring. Fix it splitting the io open() helper in a create() op, called before forking, and the open() op called by each process. Fixes: 78c13b71e196 ("trafgen: Allow to generate packets to output pcap file") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Diffstat (limited to 'bpfc.c')
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