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qcacmn: Update radiotap header to include HE parameters

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Add/extend radiotap header to include high-efficiency (11ax)
parameters.

CRs-Fixed: 2071602
Change-Id: I8bfbed16edca42eb38256bccc2efff8f21e50f15
This commit is contained in:
Ravi Joshi
2017-05-15 20:10:47 -07:00
committed by snandini
parent 0ec675d2cd
commit 1eaf7b5b82
2 changed files with 93 additions and 0 deletions
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3
qdf/inc/qdf_nbuf.h
View File

@@ -186,6 +186,9 @@ struct mon_rx_status {
#define QDF_MON_STATUS_HE_SIG_A2_SU_KNOWN_ALL 0x00000ffd #define QDF_MON_STATUS_HE_SIG_A2_SU_KNOWN_ALL 0x00000ffd
#define QDF_MON_STATUS_HE_SIG_A2_MU_KNOWN_ALL 0x00000ffd #define QDF_MON_STATUS_HE_SIG_A2_MU_KNOWN_ALL 0x00000ffd
#define QDF_MON_STATUS_HE_SIG_B_COMMON_KNOWN_RU0 0x00000001 #define QDF_MON_STATUS_HE_SIG_B_COMMON_KNOWN_RU0 0x00000001
#define QDF_MON_STATUS_HE_SIG_B_COMMON_KNOWN_RU1 0x00000002
#define QDF_MON_STATUS_HE_SIG_B_COMMON_KNOWN_RU2 0x00000004
#define QDF_MON_STATUS_HE_SIG_B_COMMON_KNOWN_RU3 0x00000008
#define QDF_MON_STATUS_HE_SIG_B_USER_KNOWN_SIG_B_ALL 0x00fe0000 #define QDF_MON_STATUS_HE_SIG_B_USER_KNOWN_SIG_B_ALL 0x00fe0000
#define QDF_MON_STATUS_HE_SIG_A1_HE_FORMAT_SU 0x00000000 #define QDF_MON_STATUS_HE_SIG_A1_HE_FORMAT_SU 0x00000000
#define QDF_MON_STATUS_HE_SIG_A1_HE_FORMAT_EXT_SU 0x40000000 #define QDF_MON_STATUS_HE_SIG_A1_HE_FORMAT_EXT_SU 0x40000000

90
qdf/linux/src/qdf_nbuf.c
View File

@@ -2651,6 +2651,78 @@ static unsigned int qdf_nbuf_update_radiotap_vht_flags(
return rtap_len; return rtap_len;
} }
/**
* qdf_nbuf_update_radiotap_he_flags() - Update radiotap header from rx_status
* @rx_status: Pointer to rx_status.
* @nbuf: nbuf pointer to which radiotap has to be updated
* @headroom_sz: Available headroom size.
*
* API update high-efficiency (11ax) fields in the radiotap header
*
* Return: length of rtap_len updated.
*/
static unsigned int
qdf_nbuf_update_radiotap_he_flags(struct mon_rx_status *rx_status,
int8_t *rtap_buf, uint32_t rtap_len)
{
/*
* IEEE80211_RADIOTAP_HE u32, u32, u32, u32 u16, u16, u16, u16, u8[4]
* Enable all "known" radiotap flags for now
*/
/* HE-MU-COMMON fields */
if (rx_status->he_sig_b_common_known &
QDF_MON_STATUS_HE_SIG_B_COMMON_KNOWN_RU0) {
rtap_buf[rtap_len] = rx_status->he_sig_b_common_RU[0];
rtap_len += 1;
}
if (rx_status->he_sig_b_common_known &
QDF_MON_STATUS_HE_SIG_B_COMMON_KNOWN_RU1) {
rtap_buf[rtap_len] = rx_status->he_sig_b_common_RU[1];
rtap_len += 1;
}
if (rx_status->he_sig_b_common_known &
QDF_MON_STATUS_HE_SIG_B_COMMON_KNOWN_RU2) {
rtap_buf[rtap_len] = rx_status->he_sig_b_common_RU[2];
rtap_len += 1;
}
if (rx_status->he_sig_b_common_known &
QDF_MON_STATUS_HE_SIG_B_COMMON_KNOWN_RU3) {
rtap_buf[rtap_len] = rx_status->he_sig_b_common_RU[3];
rtap_len += 1;
}
put_unaligned_le16(rx_status->he_sig_b_common, &rtap_buf[rtap_len]);
rtap_len += 2;
put_unaligned_le16(
rx_status->he_sig_b_common_known, &rtap_buf[rtap_len]);
rtap_len += 2;
/* HE-MU-USER fields */
put_unaligned_le32(rx_status->he_sig_b_user, &rtap_buf[rtap_len]);
rtap_len += 4;
put_unaligned_le32(rx_status->he_sig_b_user_known, &rtap_buf[rtap_len]);
rtap_len += 4;
/* HE fields */
put_unaligned_le32(rx_status->he_sig_A1, &rtap_buf[rtap_len]);
rtap_len += 4;
put_unaligned_le32(rx_status->he_sig_A2, &rtap_buf[rtap_len]);
rtap_len += 4;
put_unaligned_le16(rx_status->he_sig_A1_known, &rtap_buf[rtap_len]);
rtap_len += 2;
put_unaligned_le16(rx_status->he_sig_A2_known, &rtap_buf[rtap_len]);
rtap_len += 2;
return rtap_len;
}
#define NORMALIZED_TO_NOISE_FLOOR (-96) #define NORMALIZED_TO_NOISE_FLOOR (-96)
/* This is the length for radiotap, combined length /* This is the length for radiotap, combined length
@@ -2661,6 +2733,8 @@ static unsigned int qdf_nbuf_update_radiotap_vht_flags(
*/ */
#define RADIOTAP_HEADER_LEN (sizeof(struct ieee80211_radiotap_header) + 100) #define RADIOTAP_HEADER_LEN (sizeof(struct ieee80211_radiotap_header) + 100)
#define IEEE80211_RADIOTAP_HE 22
/** /**
* qdf_nbuf_update_radiotap() - Update radiotap header from rx_status * qdf_nbuf_update_radiotap() - Update radiotap header from rx_status
* @rx_status: Pointer to rx_status. * @rx_status: Pointer to rx_status.
@@ -2746,6 +2820,15 @@ unsigned int qdf_nbuf_update_radiotap(struct mon_rx_status *rx_status,
rtap_buf, rtap_buf,
rtap_len); rtap_len);
} }
if (rx_status->he_flags) {
/* IEEE80211_RADIOTAP_HE */
rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_HE);
rtap_len = qdf_nbuf_update_radiotap_he_flags(rx_status,
rtap_buf,
rtap_len);
}
rthdr->it_len = cpu_to_le16(rtap_len); rthdr->it_len = cpu_to_le16(rtap_len);
if (headroom_sz < rtap_len) { if (headroom_sz < rtap_len) {
@@ -2766,6 +2849,13 @@ static unsigned int qdf_nbuf_update_radiotap_vht_flags(
return 0; return 0;
} }
unsigned int qdf_nbuf_update_radiotap_he_flags(struct mon_rx_status *rx_status,
int8_t *rtap_buf, uint32_t rtap_len)
{
qdf_print("ERROR: struct ieee80211_radiotap_header not supported");
return 0;
}
unsigned int qdf_nbuf_update_radiotap(struct mon_rx_status *rx_status, unsigned int qdf_nbuf_update_radiotap(struct mon_rx_status *rx_status,
qdf_nbuf_t nbuf, uint32_t headroom_sz) qdf_nbuf_t nbuf, uint32_t headroom_sz)
{ {