From: Alex Elder Date: Wed, 24 Nov 2021 20:25:08 +0000 (-0600) Subject: net: ipa: explicitly disable HOLB drop during setup X-Git-Tag: block-5.17-2022-01-21~91^2~339^2~3 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=01c36637aeaf5d3e74be4d8e00e8f4e62857dac0;p=linux-block.git net: ipa: explicitly disable HOLB drop during setup During setup, ipa_endpoint_program() programs each endpoint with various configuration parameters. One of those registers defines whether to drop packets when a head-of-line blocking condition is detected on an RX endpoint. We currently assume this is disabled; instead, explicitly set it to be disabled. Signed-off-by: Alex Elder Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ipa/ipa_endpoint.c b/drivers/net/ipa/ipa_endpoint.c index 405410a6222c..eeb9f082a0e4 100644 --- a/drivers/net/ipa/ipa_endpoint.c +++ b/drivers/net/ipa/ipa_endpoint.c @@ -1542,6 +1542,8 @@ static void ipa_endpoint_program(struct ipa_endpoint *endpoint) ipa_endpoint_init_hdr_metadata_mask(endpoint); ipa_endpoint_init_mode(endpoint); ipa_endpoint_init_aggr(endpoint); + if (!endpoint->toward_ipa) + ipa_endpoint_init_hol_block_disable(endpoint); ipa_endpoint_init_deaggr(endpoint); ipa_endpoint_init_rsrc_grp(endpoint); ipa_endpoint_init_seq(endpoint);