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The xdpsock sample application is a useful base for experiment's around AF_XDP sockets. Compiling the sample outside of the kernel tree is made harder then it has to be as the sample includes two headers and that are not installed by 'make install_header' nor are usually part of distributions kernel headers. The first header asm/barrier.h is not used and can just be dropped. The second linux/compiler.h are only needed for the decorator __force and are only used in ip_fast_csum(), csum_fold() and csum_tcpudp_nofold(). These functions are copied verbatim from include/asm-generic/checksum.h and lib/checksum.c. While it's fine to copy and use these functions in the sample application the decorator brings no value and can be dropped together with the include. With this change it's trivial to compile the xdpsock sample outside the kernel tree from xdpsock_user.c and xdpsock.h. $ gcc -o xdpsock xdpsock_user.c -lbpf -lpthread Signed-off-by: Niklas Söderlund <niklas.soderlund@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Louis Peens <louis.peens@corigine.com> Link: https://lore.kernel.org/bpf/20210806122855.26115-2-simon.horman@corigine.com |
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acrn | ||
auxdisplay | ||
binderfs | ||
bpf | ||
configfs | ||
connector | ||
ftrace | ||
hidraw | ||
hw_breakpoint | ||
kdb | ||
kfifo | ||
kmemleak | ||
kobject | ||
kprobes | ||
landlock | ||
livepatch | ||
mei | ||
nitro_enclaves | ||
pidfd | ||
pktgen | ||
qmi | ||
rpmsg | ||
seccomp | ||
timers | ||
trace_events | ||
trace_printk | ||
uhid | ||
v4l | ||
vfio-mdev | ||
vfs | ||
watch_queue | ||
watchdog | ||
Kconfig | ||
Makefile |