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Scott McMillan 614f60fa9d packet_mmap: expose hw packet timestamps to network packet capture utilities ... This patch adds a setting, PACKET_TIMESTAMP, to specify the packet timestamp source that is exported to capture utilities like tcpdump by packet_mmap. PACKET_TIMESTAMP accepts the same integer bit field as SO_TIMESTAMPING. However, only the SOF_TIMESTAMPING_SYS_HARDWARE and SOF_TIMESTAMPING_RAW_HARDWARE values are currently recognized by PACKET_TIMESTAMP. SOF_TIMESTAMPING_SYS_HARDWARE takes precedence over SOF_TIMESTAMPING_RAW_HARDWARE if both bits are set. If PACKET_TIMESTAMP is not set, a software timestamp generated inside the networking stack is used (the behavior before this setting was added). Signed-off-by: Scott McMillan <scott.a.mcmillan@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>		15 years ago
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Kconfig	packet: Kill CONFIG_PACKET_MMAP.	15 years ago
Makefile	…
af_packet.c	packet_mmap: expose hw packet timestamps to network packet capture utilities	15 years ago