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Commit 36cb7cce230a06378915d405cd33adf58dd5fe2a

Authored by Yogesh Ashok Powar
Committed by John W. Linville
1 parent fb3c19bc96
Exists in master and in 38 other branches 8mp-imx_5.4.70_2.3.0, 8qm-imx_5.4.70_2.3.0, emb_imx_lf-5.15.y, emb_lf-6.1.y, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, imx_4.1.15_1.0.0_ga, pitx_8mp_lf-5.10.y, rt-smarc-imx_4.1.15_1.0.0_ga, rt_linux_5.15.71, smarc-8m-android-11.0.0_2.0.0, smarc-imx6_4.14.98_2.0.0_ga, smarc-imx6_4.9.88_2.0.0_ga, smarc-imx7_4.14.98_2.0.0_ga, smarc-imx7_4.9.11_1.0.0_ga, smarc-imx7_4.9.88_2.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-imx_4.1.15_1.0.0_ga, smarc-imx_4.9.11_1.0.0_ga, smarc-imx_4.9.51_imx8m_ga, smarc-imx_4.9.88_2.0.0_ga, smarc-m6.0.1_2.1.0-ga, smarc-n7.1.2_2.0.0-ga, smarc-rel_imx_4.1.15_1.2.0_ga, smarc_8m_00d0_imx_4.14.98_2.0.0_ga, smarc_8m_imx_4.14.78_1.0.0_ga, smarc_8m_imx_4.14.98_2.0.0_ga, smarc_8m_imx_4.19.35_1.1.0, smarc_8mm_imx_4.14.78_1.0.0_ga, smarc_8mm_imx_4.14.98_2.0.0_ga, smarc_8mm_imx_4.19.35_1.1.0, smarc_8mm_imx_5.4.24_2.1.0, smarc_8mp_lf-5.10.y, smarc_8mq_imx_5.4.24_2.1.0, smarc_8mq_lf-5.10.y, smarc_imx_lf-5.15.y

mwifiex: disable transmission buffer aggregation for AMSDU packets 

Padding per MSDU will affect the length of next packet and hence
the exact length of next packet is uncertain here.

Also, aggregation of transmission buffer, while downloading the
data to the card, wont gain much on the AMSDU packets as the AMSDU
packets utilizes the transmission buffer space to the maximum
(adapter->tx_buf_size).

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

Showing 1 changed file with 13 additions and 5 deletions Side-by-side Diff

drivers/net/wireless/mwifiex/11n_aggr.c
Diff comments   View file @ 36cb7cc
... ... @@ -233,11 +233,19 @@
233 233  
234 234 skb_push(skb_aggr, headroom);
235 235  
236   - tx_param.next_pkt_len = ((pra_list->total_pkts_size) ?
237   - (((pra_list->total_pkts_size) >
238   - adapter->tx_buf_size) ? adapter->
239   - tx_buf_size : pra_list->total_pkts_size +
240   - LLC_SNAP_LEN + sizeof(struct txpd)) : 0);
  236 + /*
  237 + * Padding per MSDU will affect the length of next
  238 + * packet and hence the exact length of next packet
  239 + * is uncertain here.
  240 + *
  241 + * Also, aggregation of transmission buffer, while
  242 + * downloading the data to the card, wont gain much
  243 + * on the AMSDU packets as the AMSDU packets utilizes
  244 + * the transmission buffer space to the maximum
  245 + * (adapter->tx_buf_size).
  246 + */
  247 + tx_param.next_pkt_len = 0;
  248 +
241 249 ret = adapter->if_ops.host_to_card(adapter, MWIFIEX_TYPE_DATA,
242 250 skb_aggr->data,
243 251 skb_aggr->len, &tx_param);