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v3.0.x: usnic: ensure to set the iov_limit to 1 #3391

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Merged
merged 2 commits into from
Apr 24, 2017
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v3.0.x: usnic: ensure to set the iov_limit to 1 #3391

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61b2638
usnic: ensure to set the iov_limit to 1
jsquyres Apr 20, 2017
e8d0e15
usnic: more iov_limit fixes
jsquyres Apr 21, 2017
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7 changes: 7 additions & 0 deletions opal/mca/btl/usnic/btl_usnic_component.c
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Original file line number Diff line number Diff line change
Expand Up @@ -704,6 +704,8 @@ static mca_btl_base_module_t** usnic_component_init(int* num_btl_modules,
struct fi_info hints = {0};
struct fi_ep_attr ep_attr = {0};
struct fi_fabric_attr fabric_attr = {0};
struct fi_rx_attr rx_attr = {0};
struct fi_tx_attr tx_attr = {0};

/* We only want providers named "usnic" that are of type EP_DGRAM */
fabric_attr.prov_name = "usnic";
Expand All @@ -714,6 +716,11 @@ static mca_btl_base_module_t** usnic_component_init(int* num_btl_modules,
hints.addr_format = FI_SOCKADDR;
hints.ep_attr = &ep_attr;
hints.fabric_attr = &fabric_attr;
hints.tx_attr = &tx_attr;
hints.rx_attr = &rx_attr;

tx_attr.iov_limit = 1;
rx_attr.iov_limit = 1;

ret = fi_getinfo(libfabric_api, NULL, 0, 0, &hints, &info_list);
if (0 != ret) {
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