]> git.baikalelectronics.ru Git - kernel.git/commit
bpf: replace map pointer loads before calling into offloads
authorJakub Kicinski <jakub.kicinski@netronome.com>
Fri, 4 May 2018 01:37:11 +0000 (18:37 -0700)
committerDaniel Borkmann <daniel@iogearbox.net>
Fri, 4 May 2018 21:41:03 +0000 (23:41 +0200)
commit6ceebf6081fbe2c5c6c0cee0d31897772cbcd396
tree856b1b6e09f4f1cea9be322e3ee65405fcbfbbe7
parentb9b03369e34c6918f0cd4d8166ad82609e285197
bpf: replace map pointer loads before calling into offloads

Offloads may find host map pointers more useful than map fds.
Map pointers can be used to identify the map, while fds are
only valid within the context of loading process.

Jump to skip_full_check on error in case verifier log overflow
has to be handled (replace_map_fd_with_map_ptr() prints to the
log, driver prep may do that too in the future).

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
kernel/bpf/verifier.c