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qcacmn: Typecast address before assigning in multicast enhancement path

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Not typecasting 64bit value to 16bit value before assigning is causing
corruption of nearby structure members. Typecasting this value fixes
this corruption.

Change-Id: Iddaf697eb90241f9948aeaafe7985b8c2ea63048
This commit is contained in:
Varsha Mishra 2019-04-01 20:53:00 +05:30 • committed by nshrivas
commit 0c201e23a3
1 changed files with 10 additions and 10 deletions
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20
dp/wifi3.0/dp_tx.c
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@ -4094,7 +4094,6 @@ dp_tx_me_send_convert_ucast(struct cdp_vdev *vdev_handle, qdf_nbuf_t nbuf,
struct dp_tx_seg_info_s *seg_info_head = NULL;
struct dp_tx_seg_info_s *seg_info_tail = NULL;
struct dp_tx_seg_info_s *seg_info_new;
struct dp_tx_frag_info_s data_frag;
qdf_dma_addr_t paddr_data;
qdf_dma_addr_t paddr_mcbuf = 0;
uint8_t empty_entry_mac[QDF_MAC_ADDR_SIZE] = {0};
@ -4122,13 +4121,7 @@ dp_tx_me_send_convert_ucast(struct cdp_vdev *vdev_handle, qdf_nbuf_t nbuf,
return 1;
}
paddr_data = qdf_nbuf_get_frag_paddr(nbuf, 0) + QDF_MAC_ADDR_SIZE;
/*preparing data fragment*/
data_frag.vaddr = qdf_nbuf_data(nbuf) + QDF_MAC_ADDR_SIZE;
data_frag.paddr_lo = (uint32_t)paddr_data;
data_frag.paddr_hi = (((uint64_t) paddr_data) >> 32);
data_frag.len = len - QDF_MAC_ADDR_SIZE;
paddr_data = qdf_nbuf_mapped_paddr_get(nbuf) + QDF_MAC_ADDR_SIZE;
for (new_mac_idx = 0; new_mac_idx < new_mac_cnt; new_mac_idx++) {
dstmac = newmac[new_mac_idx];
@ -4195,10 +4188,17 @@ dp_tx_me_send_convert_ucast(struct cdp_vdev *vdev_handle, qdf_nbuf_t nbuf,
seg_info_new->frags[0].vaddr = (uint8_t *)mc_uc_buf;
seg_info_new->frags[0].paddr_lo = (uint32_t) paddr_mcbuf;
seg_info_new->frags[0].paddr_hi =
((uint64_t) paddr_mcbuf >> 32);
(uint16_t)((uint64_t)paddr_mcbuf >> 32);
seg_info_new->frags[0].len = QDF_MAC_ADDR_SIZE;
seg_info_new->frags[1] = data_frag;
/*preparing data fragment*/
seg_info_new->frags[1].vaddr =
qdf_nbuf_data(nbuf) + QDF_MAC_ADDR_SIZE;
seg_info_new->frags[1].paddr_lo = (uint32_t)paddr_data;
seg_info_new->frags[1].paddr_hi =
(uint16_t)(((uint64_t)paddr_data) >> 32);
seg_info_new->frags[1].len = len - QDF_MAC_ADDR_SIZE;
seg_info_new->nbuf = nbuf_clone;
seg_info_new->frag_cnt = 2;
seg_info_new->total_len = len;