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qcacmn: Set TX flow queue for TCP ack

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If TX data is TCP ACK, configure TX flow index 3 in
SW2TCL data cmd ring descriptor.

Change-Id: Ibd08b13ba8f0481aa11cd9c3dc54a49cd73674fb
CRs-Fixed: 3368303
This commit is contained in:
Jinwei Chen
2022-12-07 00:16:45 -08:00
committed by Madan Koyyalamudi
parent d93db0f70e
commit b4f81eace0
7 changed files with 248 additions and 4 deletions
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74
qdf/linux/src/qdf_nbuf.c
View File

@@ -3102,6 +3102,80 @@ bool __qdf_nbuf_is_arp_local(struct sk_buff *skb)
return false;
}
/**
* __qdf_nbuf_data_get_tcp_hdr_len() - get TCP header length
* @data: pointer to data of network buffer
* @tcp_hdr_len_offset: bytes offset for tcp header length of ethernet packets
*
* Return: TCP header length in unit of byte
*/
static inline
uint8_t __qdf_nbuf_data_get_tcp_hdr_len(uint8_t *data,
uint8_t tcp_hdr_len_offset)
{
uint8_t tcp_hdr_len;
tcp_hdr_len =
*((uint8_t *)(data + tcp_hdr_len_offset));
tcp_hdr_len = ((tcp_hdr_len & QDF_NBUF_PKT_TCP_HDR_LEN_MASK) >>
QDF_NBUF_PKT_TCP_HDR_LEN_LSB) *
QDF_NBUF_PKT_TCP_HDR_LEN_UNIT;
return tcp_hdr_len;
}
bool __qdf_nbuf_is_ipv4_v6_pure_tcp_ack(struct sk_buff *skb)
{
bool is_tcp_ack = false;
uint8_t op_code, tcp_hdr_len;
uint16_t ip_payload_len;
uint8_t *data = skb->data;
/*
* If packet length > TCP ACK max length or it's nonlinearized,
* then it must not be TCP ACK.
*/
if (qdf_nbuf_len(skb) > QDF_NBUF_PKT_TCP_ACK_MAX_LEN ||
qdf_nbuf_is_nonlinear(skb))
return false;
if (qdf_nbuf_is_ipv4_tcp_pkt(skb)) {
ip_payload_len =
QDF_SWAP_U16(*((uint16_t *)(data +
QDF_NBUF_TRAC_IPV4_TOTAL_LEN_OFFSET)))
- QDF_NBUF_TRAC_IPV4_HEADER_SIZE;
tcp_hdr_len = __qdf_nbuf_data_get_tcp_hdr_len(
data,
QDF_NBUF_PKT_IPV4_TCP_HDR_LEN_OFFSET);
op_code = (uint8_t)(*(uint8_t *)(data +
QDF_NBUF_PKT_IPV4_TCP_OPCODE_OFFSET));
if (ip_payload_len == tcp_hdr_len &&
op_code == QDF_NBUF_PKT_TCPOP_ACK)
is_tcp_ack = true;
} else if (qdf_nbuf_is_ipv6_tcp_pkt(skb)) {
ip_payload_len =
QDF_SWAP_U16(*((uint16_t *)(data +
QDF_NBUF_TRAC_IPV6_PAYLOAD_LEN_OFFSET)));
tcp_hdr_len = __qdf_nbuf_data_get_tcp_hdr_len(
data,
QDF_NBUF_PKT_IPV6_TCP_HDR_LEN_OFFSET);
op_code = (uint8_t)(*(uint8_t *)(data +
QDF_NBUF_PKT_IPV6_TCP_OPCODE_OFFSET));
if (ip_payload_len == tcp_hdr_len &&
op_code == QDF_NBUF_PKT_TCPOP_ACK)
is_tcp_ack = true;
}
return is_tcp_ack;
}
#ifdef NBUF_MEMORY_DEBUG
static spinlock_t g_qdf_net_buf_track_lock[QDF_NET_BUF_TRACK_MAX_SIZE];