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qcacmn: Add support for DP RX checksum offload

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add support for TCP, UDP and IP checksum offload in RX path

Change-Id: Id148523419cc48d094e100f51d39e6f95b21928f
This commit is contained in:
Tallapragada Kalyan 2017-06-22 19:10:29 +05:30 • committed by snandini
commit 105038008d
2 changed files with 61 additions and 0 deletions
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11
dp/wifi3.0/dp_rx.c
View file

@ -1131,6 +1131,17 @@ done:
}
pdev = vdev->pdev;
if (qdf_likely(
!hal_rx_attn_tcp_udp_cksum_fail_get(rx_tlv_hdr)
&&
!hal_rx_attn_ip_cksum_fail_get(rx_tlv_hdr))) {
qdf_nbuf_rx_cksum_t cksum = {0};
cksum.l4_result =
QDF_NBUF_RX_CKSUM_TCP_UDP_UNNECESSARY;
qdf_nbuf_set_rx_cksum(nbuf, &cksum);
}
sgi = hal_rx_msdu_start_sgi_get(rx_tlv_hdr);
mcs = hal_rx_msdu_start_rate_mcs_get(rx_tlv_hdr);

50
dp/wifi3.0/hal_rx.h
View file

@ -683,6 +683,56 @@ hal_rx_attn_first_mpdu_get(uint8_t *buf)
return first_mpdu;
}
#define HAL_RX_ATTN_TCP_UDP_CKSUM_FAIL_GET(_rx_attn) \
(_HAL_MS((*_OFFSET_TO_WORD_PTR(_rx_attn, \
RX_ATTENTION_1_TCP_UDP_CHKSUM_FAIL_OFFSET)), \
RX_ATTENTION_1_TCP_UDP_CHKSUM_FAIL_MASK, \
RX_ATTENTION_1_TCP_UDP_CHKSUM_FAIL_LSB))
/*
* hal_rx_attn_tcp_udp_cksum_fail_get(): get tcp_udp cksum fail bit
* from rx attention
* @buf: pointer to rx_pkt_tlvs
*
* Return: tcp_udp_cksum_fail
*/
static inline bool
hal_rx_attn_tcp_udp_cksum_fail_get(uint8_t *buf)
{
struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
struct rx_attention *rx_attn = &pkt_tlvs->attn_tlv.rx_attn;
bool tcp_udp_cksum_fail;
tcp_udp_cksum_fail = HAL_RX_ATTN_TCP_UDP_CKSUM_FAIL_GET(rx_attn);
return tcp_udp_cksum_fail;
}
#define HAL_RX_ATTN_IP_CKSUM_FAIL_GET(_rx_attn) \
(_HAL_MS((*_OFFSET_TO_WORD_PTR(_rx_attn, \
RX_ATTENTION_1_IP_CHKSUM_FAIL_OFFSET)), \
RX_ATTENTION_1_IP_CHKSUM_FAIL_MASK, \
RX_ATTENTION_1_IP_CHKSUM_FAIL_LSB))
/*
* hal_rx_attn_ip_cksum_fail_get(): get ip cksum fail bit
* from rx attention
* @buf: pointer to rx_pkt_tlvs
*
* Return: ip_cksum_fail
*/
static inline bool
hal_rx_attn_ip_cksum_fail_get(uint8_t *buf)
{
struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
struct rx_attention *rx_attn = &pkt_tlvs->attn_tlv.rx_attn;
bool ip_cksum_fail;
ip_cksum_fail = HAL_RX_ATTN_IP_CKSUM_FAIL_GET(rx_attn);
return ip_cksum_fail;
}
/*
* Get peer_meta_data from RX_MPDU_INFO within RX_MPDU_START
*/