samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

qcacmn: Reset nbuf data pointer properly in RX fast path handling

Browse Source 
Currently RX nbuf data pointer is reset considering
headroom reserve size of NET_SKB_PAD. So while reattaching
buffer back to H.W always data pointer is reset back to head plus
NET_SKB_PAD offset. But if skb is not allocated with head room
reserve then we should not reset data pointer taking NET_SKB_PAD
as consideration.

Fix this by pushing nbuf data pointer back to the state when
nbuf entered the host.

Change-Id: Ie96f99fdd92deaa921619a45cd5993a42f7b8f6e
CRs-Fixed: 3582873
This commit is contained in:
Karthik Kantamneni
2023-08-08 14:14:15 +05:30
committed by Rahul Choudhary
parent 6ca876877a
commit 6e1fe7f344
2 changed files with 2 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
qdf/linux/src/qdf_nbuf.c
View File

@@ -5798,7 +5798,6 @@ qdf_export_symbol(__qdf_nbuf_init);
void qdf_nbuf_init_fast(qdf_nbuf_t nbuf)
{
qdf_nbuf_users_set(&nbuf->users, 1);
nbuf->data = nbuf->head + NET_SKB_PAD;
skb_reset_tail_pointer(nbuf);
}
qdf_export_symbol(qdf_nbuf_init_fast);