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qcacmn: Handling of IGMP packets in MLO Multipass

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Due to the CCE rule in QCN9224 IGMP packets will be routed
to err ring. When multipass is enabled, perform multipass processing
before handing over the packet to stack.

Change-Id: I50b747710eb3c49eab60c81bbc61e75e2f8650ed
CRs-Fixed: 3275888
This commit is contained in:
Sai Rupesh Chevuru
2022-08-25 10:26:44 +05:30
committed by Madan Koyyalamudi
parent e12273c5cd
commit ef34b5b9ab
3 changed files with 104 additions and 15 deletions
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108
qdf/linux/src/qdf_nbuf.c
View File

@@ -1873,6 +1873,56 @@ bool __qdf_nbuf_is_ipv4_wapi_pkt(struct sk_buff *skb)
}
qdf_export_symbol(__qdf_nbuf_is_ipv4_wapi_pkt);
/**
* qdf_nbuf_is_ipv6_vlan_pkt() - check wheather packet is vlan IPV6
* @data: Pointer to network data buffer
*
* This api is for vlan header included ipv6 packet.
*
* Return: true if packet is vlan header included IPV6
* false otherwise.
*/
static bool qdf_nbuf_is_ipv6_vlan_pkt(uint8_t *data)
{
uint16_t ether_type;
ether_type = *(uint16_t *)(data + QDF_NBUF_TRAC_ETH_TYPE_OFFSET);
if (unlikely(ether_type == QDF_SWAP_U16(QDF_ETH_TYPE_8021Q))) {
ether_type = *(uint16_t *)(data +
QDF_NBUF_TRAC_VLAN_ETH_TYPE_OFFSET);
if (ether_type == QDF_SWAP_U16(QDF_NBUF_TRAC_IPV6_ETH_TYPE))
return true;
}
return false;
}
/**
* qdf_nbuf_is_ipv4_vlan_pkt() - check wheather packet is vlan IPV4
* @data: Pointer to network data buffer
*
* This api is for vlan header included ipv4 packet.
*
* Return: true if packet is vlan header included IPV4
* false otherwise.
*/
static bool qdf_nbuf_is_ipv4_vlan_pkt(uint8_t *data)
{
uint16_t ether_type;
ether_type = *(uint16_t *)(data + QDF_NBUF_TRAC_ETH_TYPE_OFFSET);
if (unlikely(ether_type == QDF_SWAP_U16(QDF_ETH_TYPE_8021Q))) {
ether_type = *(uint16_t *)(data +
QDF_NBUF_TRAC_VLAN_ETH_TYPE_OFFSET);
if (ether_type == QDF_SWAP_U16(QDF_NBUF_TRAC_IPV4_ETH_TYPE))
return true;
}
return false;
}
/**
* __qdf_nbuf_data_is_ipv4_igmp_pkt() - check if skb data is a igmp packet
* @data: Pointer to network data buffer
@@ -1884,15 +1934,26 @@ qdf_export_symbol(__qdf_nbuf_is_ipv4_wapi_pkt);
*/
bool __qdf_nbuf_data_is_ipv4_igmp_pkt(uint8_t *data)
{
if (__qdf_nbuf_data_is_ipv4_pkt(data)) {
uint8_t pkt_type;
uint8_t pkt_type;
if (__qdf_nbuf_data_is_ipv4_pkt(data)) {
pkt_type = (uint8_t)(*(uint8_t *)(data +
QDF_NBUF_TRAC_IPV4_PROTO_TYPE_OFFSET));
if (pkt_type == QDF_NBUF_TRAC_IGMP_TYPE)
return true;
goto is_igmp;
}
if (qdf_nbuf_is_ipv4_vlan_pkt(data)) {
pkt_type = (uint8_t)(*(uint8_t *)(
data +
QDF_NBUF_TRAC_VLAN_IPV4_PROTO_TYPE_OFFSET));
goto is_igmp;
}
return false;
is_igmp:
if (pkt_type == QDF_NBUF_TRAC_IGMP_TYPE)
return true;
return false;
}
@@ -1909,21 +1970,38 @@ qdf_export_symbol(__qdf_nbuf_data_is_ipv4_igmp_pkt);
*/
bool __qdf_nbuf_data_is_ipv6_igmp_pkt(uint8_t *data)
{
if (__qdf_nbuf_data_is_ipv6_pkt(data)) {
uint8_t pkt_type;
uint8_t next_hdr;
uint8_t pkt_type;
uint8_t next_hdr;
if (__qdf_nbuf_data_is_ipv6_pkt(data)) {
pkt_type = (uint8_t)(*(uint8_t *)(data +
QDF_NBUF_TRAC_IPV6_PROTO_TYPE_OFFSET));
next_hdr = (uint8_t)(*(uint8_t *)(data +
next_hdr = (uint8_t)(*(uint8_t *)(
data +
QDF_NBUF_TRAC_IPV6_OFFSET +
QDF_NBUF_TRAC_IPV6_HEADER_SIZE));
if (pkt_type == QDF_NBUF_TRAC_ICMPV6_TYPE)
return true;
if ((pkt_type == QDF_NBUF_TRAC_HOPOPTS_TYPE) &&
(next_hdr == QDF_NBUF_TRAC_HOPOPTS_TYPE))
return true;
goto is_mld;
}
if (qdf_nbuf_is_ipv6_vlan_pkt(data)) {
pkt_type = (uint8_t)(*(uint8_t *)(
data +
QDF_NBUF_TRAC_VLAN_IPV6_PROTO_TYPE_OFFSET));
next_hdr = (uint8_t)(*(uint8_t *)(
data +
QDF_NBUF_TRAC_VLAN_IPV6_OFFSET +
QDF_NBUF_TRAC_IPV6_HEADER_SIZE));
goto is_mld;
}
return false;
is_mld:
if (pkt_type == QDF_NBUF_TRAC_ICMPV6_TYPE)
return true;
if ((pkt_type == QDF_NBUF_TRAC_HOPOPTS_TYPE) &&
(next_hdr == QDF_NBUF_TRAC_ICMPV6_TYPE))
return true;
return false;
}