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realtek: fix RTL839X receive tag decoding

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Correct offset in RX tag structure. Correct offload decision flagging.

Signed-off-by: Birger Koblitz <git@birger-koblitz.de>
This commit is contained in:
Birger Koblitz 2022-01-01 14:12:21 +01:00 committed by Daniel Golle
parent 6b79484268
commit 9d847244d9
1 changed files with 5 additions and 4 deletions
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9
target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c
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@ -280,16 +280,17 @@ bool rtl838x_decode_tag(struct p_hdr *h, struct dsa_tag *t)
bool rtl839x_decode_tag(struct p_hdr *h, struct dsa_tag *t)
{
t->reason = h->cpu_tag[4] & 0x1f;
t->reason = h->cpu_tag[5] & 0x1f;
t->queue = (h->cpu_tag[3] & 0xe000) >> 13;
t->port = h->cpu_tag[1] & 0x3f;
t->crc_error = h->cpu_tag[3] & BIT(2);
pr_debug("Reason: %d\n", t->reason);
if ((t->reason != 7) && (t->reason != 8)) // NIC_RX_REASON_RMA_USR
t->l2_offloaded = 1;
else
if ((t->reason >= 7 && t->reason <= 13) || // NIC_RX_REASON_RMA
(t->reason >= 23 && t->reason <= 25)) // NIC_RX_REASON_SPECIAL_TRAP
t->l2_offloaded = 0;
else
t->l2_offloaded = 1;
return t->l2_offloaded;
}