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| author | Maciej Fijalkowski <maciej.fijalkowski@intel.com> | 2024-01-24 20:15:58 +0100 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2024-01-24 16:24:07 -0800 |
| commit | 290779905d09d5fdf6caa4f58ddefc3f4db0c0a9 (patch) | |
| tree | 0ff7833f4804e35e127494553bef3a3b4aa83112 /rust | |
| parent | 2ee788c06493d02ee85855414cca39825e768aaf (diff) | |
intel: xsk: initialize skb_frag_t::bv_offset in ZC drivers
Ice and i40e ZC drivers currently set offset of a frag within
skb_shared_info to 0, which is incorrect. xdp_buffs that come from
xsk_buff_pool always have 256 bytes of a headroom, so they need to be
taken into account to retrieve xdp_buff::data via skb_frag_address().
Otherwise, bpf_xdp_frags_increase_tail() would be starting its job from
xdp_buff::data_hard_start which would result in overwriting existing
payload.
Fixes: 1c9ba9c14658 ("i40e: xsk: add RX multi-buffer support")
Fixes: 1bbc04de607b ("ice: xsk: add RX multi-buffer support")
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Link: https://lore.kernel.org/r/20240124191602.566724-8-maciej.fijalkowski@intel.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'rust')
0 files changed, 0 insertions, 0 deletions