diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c b/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c index 0eee06d803..d9ade65526 100644 --- a/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c +++ b/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c @@ -58,6 +58,7 @@ struct p_hdr { uint16_t size; /* buffer size */ uint16_t offset; uint16_t len; /* pkt len */ + /* cpu_tag[0] is a reserved uint16_t on RTL83xx */ uint16_t cpu_tag[10]; } __packed __aligned(1); @@ -262,13 +263,14 @@ struct dsa_tag { bool rtl838x_decode_tag(struct p_hdr *h, struct dsa_tag *t) { - t->reason = h->cpu_tag[3] & 0xf; - t->queue = (h->cpu_tag[0] & 0xe0) >> 5; + /* cpu_tag[0] is reserved. Fields are off-by-one */ + t->reason = h->cpu_tag[4] & 0xf; + t->queue = (h->cpu_tag[1] & 0xe0) >> 5; t->port = h->cpu_tag[1] & 0x1f; t->crc_error = t->reason == 13; pr_debug("Reason: %d\n", t->reason); - if (t->reason != 4) // NIC_RX_REASON_SPECIAL_TRAP + if (t->reason != 6) // NIC_RX_REASON_SPECIAL_TRAP t->l2_offloaded = 1; else t->l2_offloaded = 0; @@ -278,6 +280,7 @@ bool rtl838x_decode_tag(struct p_hdr *h, struct dsa_tag *t) bool rtl839x_decode_tag(struct p_hdr *h, struct dsa_tag *t) { + /* cpu_tag[0] is reserved. Fields are off-by-one */ t->reason = h->cpu_tag[5] & 0x1f; t->queue = (h->cpu_tag[3] & 0xe000) >> 13; t->port = h->cpu_tag[1] & 0x3f; |