Commit 5dd9f6c7 authored May 17, 2018 by Emmanuel Grumbach Committed by Luca Coelho May 30, 2018

iwlwifi: mvm: honor the max_amsdu_subframes limit



A peer can limit the number of subframes it can handle in a
single A-MSDU.  Honor this limit.

Note that the smallest limit is 8, and we are very unlikely to reach
that limit. So this isn't really a big deal.

Fixes: a6d5e32f ("iwlwifi: mvm: send large SKBs to the transport")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

parent d94c5a82

drivers/net/wireless/intel/iwlwifi/mvm/tx.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -844,6 +844,10 @@ static int iwl_mvm_tx_tso(struct iwl_mvm mvm, struct sk_buff skb,
		*/
		num_subframes = (max_amsdu_len + pad) / (subf_len + pad);

		if (sta->max_amsdu_subframes &&
		num_subframes > sta->max_amsdu_subframes)
		num_subframes = sta->max_amsdu_subframes;

		tcp_payload_len = skb_tail_pointer(skb) - skb_transport_header(skb) -
		tcp_hdrlen(skb) + skb->data_len;

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