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qcacmn: Add qdf APIs to set/get IPv4/6 TOS and TC field

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Add QDF APIs to set/get IPv4/6 TOS and TC field.

Change-Id: Ie048b74bacea33e9b1c57c5561064673247ee14c
CRs-Fixed: 3207377
This commit is contained in:
nakul kachhwaha
2022-05-25 19:19:31 +05:30
committed by Madan Koyyalamudi
parent bddee57d00
commit ef9ad9d2d2
3 changed files with 176 additions and 4 deletions
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78
qdf/inc/qdf_nbuf.h
View File

@@ -64,6 +64,7 @@
#define QDF_NBUF_TRAC_IPV6_ETH_TYPE 0x86dd #define QDF_NBUF_TRAC_IPV6_ETH_TYPE 0x86dd
#define QDF_NBUF_DEST_MAC_OFFSET 0 #define QDF_NBUF_DEST_MAC_OFFSET 0
#define QDF_NBUF_SRC_MAC_OFFSET 6 #define QDF_NBUF_SRC_MAC_OFFSET 6
#define QDF_NBUF_TRAC_IPV4_TOS_OFFSET 15
#define QDF_NBUF_TRAC_IPV4_PROTO_TYPE_OFFSET 23 #define QDF_NBUF_TRAC_IPV4_PROTO_TYPE_OFFSET 23
#define QDF_NBUF_TRAC_IPV4_DEST_ADDR_OFFSET 30 #define QDF_NBUF_TRAC_IPV4_DEST_ADDR_OFFSET 30
#define QDF_NBUF_TRAC_IPV4_SRC_ADDR_OFFSET 26 #define QDF_NBUF_TRAC_IPV4_SRC_ADDR_OFFSET 26
@@ -3156,6 +3157,52 @@ qdf_nbuf_data_get_icmpv6_subtype(uint8_t *data)
return __qdf_nbuf_data_get_icmpv6_subtype(data); return __qdf_nbuf_data_get_icmpv6_subtype(data);
} }
/**
* qdf_nbuf_is_ipv4_last_fragment() - Check if IPV4 packet is last fragment
* @nbuf: Network buffer
*
* This function check if IPV4 packet is last fragment or not.
* Caller has to call this function for ipv4 packets only.
*
* Return: True if ipv4 packet is last fragment otherwise false
*/
static inline bool
qdf_nbuf_is_ipv4_last_fragment(qdf_nbuf_t nbuf)
{
return __qdf_nbuf_is_ipv4_last_fragment(nbuf);
}
/**
* qdf_nbuf_data_set_ipv4_tos() - set the TOS field of IPV4 packet.
*
* @data: Pointer to IPV4 packet data buffer
* @tos: TOS value to be set in IPV4 packet
*
* This func. set the TOS field of IPV4 packet.
*
* Return: None
*/
static inline void
qdf_nbuf_data_set_ipv4_tos(uint8_t *data, uint8_t tos)
{
__qdf_nbuf_data_set_ipv4_tos(data, tos);
}
/**
* qdf_nbuf_data_get_ipv4_tos() - get the TOS field of IPV4 packet.
*
* @data: Pointer to IPV4 packet data buffer
*
* This func. returns the TOS field of IPV4 packet.
*
* Return: TOS of IPV4 packet.
*/
static inline uint8_t
qdf_nbuf_data_get_ipv4_tos(uint8_t *data)
{
return __qdf_nbuf_data_get_ipv4_tos(data);
}
/** /**
* qdf_nbuf_data_get_ipv4_proto() - get the proto type * qdf_nbuf_data_get_ipv4_proto() - get the proto type
* of IPV4 packet. * of IPV4 packet.
@@ -3171,6 +3218,37 @@ qdf_nbuf_data_get_ipv4_proto(uint8_t *data)
return __qdf_nbuf_data_get_ipv4_proto(data); return __qdf_nbuf_data_get_ipv4_proto(data);
} }
/**
* qdf_nbuf_data_set_ipv6_tc() - set the TC field
* of IPV6 packet.
* @data: Pointer to IPV6 packet data buffer
* @tc: Value to IPV6 packet TC field
*
* This func. set the TC field of IPV6 packet.
*
* Return: None
*/
static inline void
qdf_nbuf_data_set_ipv6_tc(uint8_t *data, uint8_t tc)
{
__qdf_nbuf_data_set_ipv6_tc(data, tc);
}
/**
* qdf_nbuf_data_get_ipv6_tc() - get the TC field
* of IPV6 packet.
* @data: Pointer to IPV6 packet data buffer
*
* This func. returns the TC field of IPV6 packet.
*
* Return: Traffic classification field of IPV6 packet.
*/
static inline uint8_t
qdf_nbuf_data_get_ipv6_tc(uint8_t *data)
{
return __qdf_nbuf_data_get_ipv6_tc(data);
}
/** /**
* qdf_nbuf_data_get_ipv6_proto() - get the proto type * qdf_nbuf_data_get_ipv6_proto() - get the proto type
* of IPV6 packet. * of IPV6 packet.

14
qdf/linux/src/i_qdf_nbuf.h
View File

@@ -71,6 +71,7 @@ typedef struct sk_buff_head __qdf_nbuf_queue_head_t;
#define QDF_NBUF_CB_PACKET_TYPE_ICMP 5 #define QDF_NBUF_CB_PACKET_TYPE_ICMP 5
#define QDF_NBUF_CB_PACKET_TYPE_ICMPv6 6 #define QDF_NBUF_CB_PACKET_TYPE_ICMPv6 6
#define QDF_NBUF_CB_PACKET_TYPE_DHCPV6 7 #define QDF_NBUF_CB_PACKET_TYPE_DHCPV6 7
#define QDF_NBUF_CB_PACKET_TYPE_END_INDICATION 8
#define RADIOTAP_BASE_HEADER_LEN sizeof(struct ieee80211_radiotap_header) #define RADIOTAP_BASE_HEADER_LEN sizeof(struct ieee80211_radiotap_header)
@@ -357,13 +358,13 @@ struct qdf_nbuf_cb {
is_packet_priv:1; is_packet_priv:1;
uint8_t packet_track:3, uint8_t packet_track:3,
to_fw:1, to_fw:1,
proto_type:4; /* used only for hl */
htt2_frm:1,
proto_type:3;
uint8_t dp_trace:1, uint8_t dp_trace:1,
is_bcast:1, is_bcast:1,
is_mcast:1, is_mcast:1,
packet_type:3, packet_type:4,
/* used only for hl*/
htt2_frm:1,
print:1; print:1;
} trace; } trace;
unsigned char *vaddr; unsigned char *vaddr;
@@ -906,6 +907,11 @@ enum qdf_proto_subtype __qdf_nbuf_data_get_icmp_subtype(uint8_t *data);
enum qdf_proto_subtype __qdf_nbuf_data_get_icmpv6_subtype(uint8_t *data); enum qdf_proto_subtype __qdf_nbuf_data_get_icmpv6_subtype(uint8_t *data);
uint8_t __qdf_nbuf_data_get_ipv4_proto(uint8_t *data); uint8_t __qdf_nbuf_data_get_ipv4_proto(uint8_t *data);
uint8_t __qdf_nbuf_data_get_ipv6_proto(uint8_t *data); uint8_t __qdf_nbuf_data_get_ipv6_proto(uint8_t *data);
uint8_t __qdf_nbuf_data_get_ipv4_tos(uint8_t *data);
uint8_t __qdf_nbuf_data_get_ipv6_tc(uint8_t *data);
void __qdf_nbuf_data_set_ipv4_tos(uint8_t *data, uint8_t tos);
void __qdf_nbuf_data_set_ipv6_tc(uint8_t *data, uint8_t tc);
bool __qdf_nbuf_is_ipv4_last_fragment(struct sk_buff *skb);
#ifdef QDF_NBUF_GLOBAL_COUNT #ifdef QDF_NBUF_GLOBAL_COUNT
int __qdf_nbuf_count_get(void); int __qdf_nbuf_count_get(void);

88
qdf/linux/src/qdf_nbuf.c
View File

@@ -1472,6 +1472,57 @@ __qdf_nbuf_data_get_icmpv6_subtype(uint8_t *data)
return proto_subtype; return proto_subtype;
} }
/**
* __qdf_nbuf_is_ipv4_last_fragment() - Check if IPv4 packet is last fragment
* @skb: Buffer
*
* This function checks IPv4 packet is last fragment or not.
* Caller has to call this function for IPv4 packets only.
*
* Return: True if IPv4 packet is last fragment otherwise false
*/
bool
__qdf_nbuf_is_ipv4_last_fragment(struct sk_buff *skb)
{
if (((ntohs(ip_hdr(skb)->frag_off) & ~IP_OFFSET) & IP_MF) == 0)
return true;
return false;
}
/**
* __qdf_nbuf_data_set_ipv4_tos() - set the TOS for IPv4 packet
* @data: pointer to skb payload
* @tos: value of TOS to be set
*
* This func. set the TOS field of IPv4 packet.
*
* Return: None
*/
void
__qdf_nbuf_data_set_ipv4_tos(uint8_t *data, uint8_t tos)
{
*(uint8_t *)(data + QDF_NBUF_TRAC_IPV4_TOS_OFFSET) = tos;
}
/**
* __qdf_nbuf_data_get_ipv4_tos() - get the TOS type of IPv4 packet
* @data: Pointer to skb payload
*
* This func. returns the TOS type of IPv4 packet.
*
* Return: TOS type of IPv4 packet.
*/
uint8_t
__qdf_nbuf_data_get_ipv4_tos(uint8_t *data)
{
uint8_t tos;
tos = (uint8_t)(*(uint8_t *)(data +
QDF_NBUF_TRAC_IPV4_TOS_OFFSET));
return tos;
}
/** /**
* __qdf_nbuf_data_get_ipv4_proto() - get the proto type * __qdf_nbuf_data_get_ipv4_proto() - get the proto type
* of IPV4 packet. * of IPV4 packet.
@@ -1491,6 +1542,43 @@ __qdf_nbuf_data_get_ipv4_proto(uint8_t *data)
return proto_type; return proto_type;
} }
/**
* __qdf_nbuf_data_get_ipv6_tc() - get the TC field
* of IPv6 packet.
* @data: Pointer to IPv6 packet data buffer
*
* This func. returns the TC field of IPv6 packet.
*
* Return: traffic classification of IPv6 packet.
*/
uint8_t
__qdf_nbuf_data_get_ipv6_tc(uint8_t *data)
{
struct ipv6hdr *hdr;
hdr = (struct ipv6hdr *)(data + QDF_NBUF_TRAC_IPV6_OFFSET);
return ip6_tclass(ip6_flowinfo(hdr));
}
/**
* __qdf_nbuf_data_set_ipv6_tc() - set the TC field
* of IPv6 packet.
* @data: Pointer to skb payload
* @tc: value to set to IPv6 header TC field
*
* This func. set the TC field of IPv6 header.
*
* Return: None
*/
void
__qdf_nbuf_data_set_ipv6_tc(uint8_t *data, uint8_t tc)
{
struct ipv6hdr *hdr;
hdr = (struct ipv6hdr *)(data + QDF_NBUF_TRAC_IPV6_OFFSET);
ip6_flow_hdr(hdr, tc, ip6_flowlabel(hdr));
}
/** /**
* __qdf_nbuf_data_get_ipv6_proto() - get the proto type * __qdf_nbuf_data_get_ipv6_proto() - get the proto type
* of IPV6 packet. * of IPV6 packet.