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This patch adds a simple test case that probes the packet socket's
TPACKET_V1, TPACKET_V2 and TPACKET_V3 behavior regarding mmap(2)'ed
I/O for a small burst of 100 packets. The test currently runs for ...
TPACKET_V1: RX_RING, TX_RING
TPACKET_V2: RX_RING, TX_RING
TPACKET_V3: RX_RING
... and will output on success:
test: TPACKET_V1 with PACKET_RX_RING .................... 100 pkts (9600 bytes)
test: TPACKET_V1 with PACKET_TX_RING .................... 100 pkts (9600 bytes)
test: TPACKET_V2 with PACKET_RX_RING .................... 100 pkts (9600 bytes)
test: TPACKET_V2 with PACKET_TX_RING .................... 100 pkts (9600 bytes)
test: TPACKET_V3 with PACKET_RX_RING .................... 100 pkts (9600 bytes)
OK. All tests passed
Reusable parts of psock_fanout.c have been put into a psock_lib.h
file for common usage. Test case successfully tested on x86_64.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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