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realtek: fix RTL839x egress tag for ports >= 32

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Don't overwrite AS_DPM and L2LEARNING flags when dest_port is >= 32.

Fixes: 1773264a0c ("realtek: correct egress frame port verification")
Signed-off-by: Jan Hoffmann <jan@3e8.eu>
This commit is contained in:
Jan Hoffmann
2022-09-25 14:32:31 +02:00
committed by Sander Vanheule
parent 6e9613844c
commit d924a75be3
1 changed files with 1 additions and 1 deletions
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2
target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c
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@@ -116,7 +116,7 @@ static void rtl839x_create_tx_header(struct p_hdr *h, unsigned int dest_port, in
// h->cpu_tag[1] |= BIT(1) | BIT(0); // Bypass filter 1/2 // h->cpu_tag[1] |= BIT(1) | BIT(0); // Bypass filter 1/2
if (dest_port >= 32) { if (dest_port >= 32) {
dest_port -= 32; dest_port -= 32;
h->cpu_tag[2] = BIT(dest_port) >> 16; h->cpu_tag[2] |= (BIT(dest_port) >> 16) & 0xf;
h->cpu_tag[3] = BIT(dest_port) & 0xffff; h->cpu_tag[3] = BIT(dest_port) & 0xffff;
} else { } else {
h->cpu_tag[4] = BIT(dest_port) >> 16; h->cpu_tag[4] = BIT(dest_port) >> 16;