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selftests: drv-net: ncdevmem: explicitly set HDS threshold to 0

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Make sure we set HDS threshold to 0 if the device supports changing it.
It's required for ZC.

Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250825180447.2252977-6-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski
2025-08-25 11:04:47 -07:00
parent 6351fadbd5
commit a9d533fbba
1 changed files with 13 additions and 8 deletions
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21
tools/testing/selftests/drivers/net/hw/ncdevmem.c
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@@ -464,6 +464,8 @@ static void restore_ring_config(const struct ethtool_rings_get_rsp *config)
ethtool_rings_set_req_set_header_dev_index(req, ifindex);
ethtool_rings_set_req_set_tcp_data_split(req,
ETHTOOL_TCP_DATA_SPLIT_UNKNOWN);
if (config->_present.hds_thresh)
ethtool_rings_set_req_set_hds_thresh(req, config->hds_thresh);
ret = ethtool_rings_set(ys, req);
if (ret < 0)
@@ -490,7 +492,8 @@ static void restore_ring_config(const struct ethtool_rings_get_rsp *config)
ynl_sock_destroy(ys);
}
static int configure_headersplit(bool on)
static int
configure_headersplit(const struct ethtool_rings_get_rsp *old, bool on)
{
struct ethtool_rings_get_req *get_req;
struct ethtool_rings_get_rsp *get_rsp;
@@ -507,13 +510,15 @@ static int configure_headersplit(bool on)
req = ethtool_rings_set_req_alloc();
ethtool_rings_set_req_set_header_dev_index(req, ifindex);
if (on)
if (on) {
ethtool_rings_set_req_set_tcp_data_split(req,
ETHTOOL_TCP_DATA_SPLIT_ENABLED);
else
if (old->_present.hds_thresh)
ethtool_rings_set_req_set_hds_thresh(req, 0);
} else {
ethtool_rings_set_req_set_tcp_data_split(req,
ETHTOOL_TCP_DATA_SPLIT_UNKNOWN);
}
ret = ethtool_rings_set(ys, req);
if (ret < 0)
fprintf(stderr, "YNL failed: %s\n", ys->err.msg);
@@ -850,7 +855,7 @@ static int do_server(struct memory_buffer *mem)
return -1;
}
if (configure_headersplit(1)) {
if (configure_headersplit(ring_config, 1)) {
pr_err("Failed to enable TCP header split");
goto err_free_ring_config;
}
@@ -1074,7 +1079,7 @@ int run_devmem_tests(void)
goto err_free_ring_config;
}
if (configure_headersplit(1)) {
if (configure_headersplit(ring_config, 1)) {
pr_err("Failed to configure header split");
goto err_reset_rss;
}
@@ -1090,7 +1095,7 @@ int run_devmem_tests(void)
goto err_unbind;
}
if (configure_headersplit(0)) {
if (configure_headersplit(ring_config, 0)) {
pr_err("Failed to configure header split");
goto err_reset_headersplit;
}
@@ -1106,7 +1111,7 @@ int run_devmem_tests(void)
goto err_unbind;
}
if (configure_headersplit(1)) {
if (configure_headersplit(ring_config, 1)) {
pr_err("Failed to configure header split");
goto err_reset_headersplit;
}