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igb: Filter with the second VLAN tag for extended VLAN 

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Akihiko Odaki 2023-05-23 11:43:30 +09:00 committed by Jason Wang
parent 7e64a9cabb
commit 6aa262f8e3
1 changed files with 18 additions and 5 deletions
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23
hw/net/igb_core.c
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@ -69,7 +69,7 @@ typedef struct IGBTxPktVmdqCallbackContext {
typedef struct L2Header {
struct eth_header eth;
struct vlan_header vlan;
struct vlan_header vlan[2];
} L2Header;
static ssize_t
@ -1001,7 +1001,7 @@ static uint16_t igb_receive_assign(IGBCore *core, const L2Header *l2_header,
uint32_t f, ra[2], *macp, rctl = core->mac[RCTL];
uint16_t queues = 0;
uint16_t oversized = 0;
uint16_t vid = be16_to_cpu(l2_header->vlan.h_tci) & VLAN_VID_MASK;
size_t vlan_num = 0;
int i;
memset(rss_info, 0, sizeof(E1000E_RSSInfo));
@ -1010,8 +1010,19 @@ static uint16_t igb_receive_assign(IGBCore *core, const L2Header *l2_header,
*external_tx = true;
}
if (e1000x_is_vlan_packet(ehdr, core->mac[VET] & 0xffff) &&
!e1000x_rx_vlan_filter(core->mac, PKT_GET_VLAN_HDR(ehdr))) {
if (core->mac[CTRL_EXT] & BIT(26)) {
if (be16_to_cpu(ehdr->h_proto) == core->mac[VET] >> 16 &&
be16_to_cpu(l2_header->vlan[0].h_proto) == (core->mac[VET] & 0xffff)) {
vlan_num = 2;
}
} else {
if (be16_to_cpu(ehdr->h_proto) == (core->mac[VET] & 0xffff)) {
vlan_num = 1;
}
}
if (vlan_num &&
!e1000x_rx_vlan_filter(core->mac, l2_header->vlan + vlan_num - 1)) {
return queues;
}
@ -1065,7 +1076,9 @@ static uint16_t igb_receive_assign(IGBCore *core, const L2Header *l2_header,
if (e1000x_vlan_rx_filter_enabled(core->mac)) {
uint16_t mask = 0;
if (e1000x_is_vlan_packet(ehdr, core->mac[VET] & 0xffff)) {
if (vlan_num) {
uint16_t vid = be16_to_cpu(l2_header->vlan[vlan_num - 1].h_tci) & VLAN_VID_MASK;
for (i = 0; i < E1000_VLVF_ARRAY_SIZE; i++) {
if ((core->mac[VLVF0 + i] & E1000_VLVF_VLANID_MASK) == vid &&
(core->mac[VLVF0 + i] & E1000_VLVF_VLANID_ENABLE)) {