diff options
| author | Daniel Zahka <daniel.zahka@gmail.com> | 2025-09-18 14:27:20 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-09-19 17:02:57 -0700 |
| commit | 85c7333c35f22cdb8391b4cacfdc496aec4162ae (patch) | |
| tree | e58a0f8bf0e186d9ab5a052cdcd407ad23b2add5 /net/psp/psp_main.c | |
| parent | f1bf77491d5e48ab5477f585ee5fca2aa524bd15 (diff) | |
psp: clarify checksum behavior of psp_dev_rcv()
psp_dev_rcv() decapsulates psp headers from a received frame. This
will make any csum complete computed by the device inaccurate. Rather
than attempt to patch up skb->csum in psp_dev_rcv() just make it clear
to callers what they can expect regarding checksum complete.
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250918212723.17495-1-daniel.zahka@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/psp/psp_main.c')
| -rw-r--r-- | net/psp/psp_main.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/psp/psp_main.c b/net/psp/psp_main.c index 0f8c50c8e943..481aaf0fc9fc 100644 --- a/net/psp/psp_main.c +++ b/net/psp/psp_main.c @@ -228,7 +228,8 @@ EXPORT_SYMBOL(psp_dev_encapsulate); * Presently it accepts only already-authenticated packets and does not * support optional fields, such as virtualization cookies. The caller should * ensure that skb->data is pointing to the mac header, and that skb->mac_len - * is set. + * is set. This function does not currently adjust skb->csum (CHECKSUM_COMPLETE + * is not supported). */ int psp_dev_rcv(struct sk_buff *skb, u16 dev_id, u8 generation, bool strip_icv) { |