netdev - [Patch bpf-next v2 0/5] bpf: introduce timeout map

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Message-Id: <20201214201118.148126-1-xiyou.wangcong@gmail.com>
Date:   Mon, 14 Dec 2020 12:11:13 -0800
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     netdev@...r.kernel.org
Cc:     bpf@...r.kernel.org, Cong Wang <cong.wang@...edance.com>
Subject: [Patch bpf-next v2 0/5] bpf: introduce timeout map

From: Cong Wang <cong.wang@...edance.com>

This patchset introduces a new bpf hash map which has timeout.
Patch 1 is a preparation, patch 2 is the implementation of timeout
map, patch 3 updates an existing hash map ptr test, patch 4 and
patch 5 contain two test cases for timeout map.

Please check each patch description for more details.

---
v2: fix hashmap ptr test
    add a test case in map ptr test
    factor out htab_timeout_map_alloc()

Cong Wang (5):
  bpf: use index instead of hash for map_locked[]
  bpf: introduce timeout map
  selftests/bpf: update elem_size check in map ptr test
  selftests/bpf: add a test case for bpf timeout map
  selftests/bpf: add timeout map check in map_ptr tests

 include/linux/bpf_types.h                     |   1 +
 include/uapi/linux/bpf.h                      |   3 +-
 kernel/bpf/hashtab.c                          | 301 ++++++++++++++++--
 kernel/bpf/syscall.c                          |   3 +-
 tools/include/uapi/linux/bpf.h                |   1 +
 .../selftests/bpf/progs/map_ptr_kern.c        |  22 +-
 tools/testing/selftests/bpf/test_maps.c       |  41 +++
 7 files changed, 340 insertions(+), 32 deletions(-)

-- 
2.25.1