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authorSteve Shin <jonshin@cisco.com>2017-10-09 15:04:56 -0700
committerJohn Lo <loj@cisco.com>2017-10-10 16:35:35 +0000
commit268e64e312257b0ab36e0d5b9124cc3f2a1841a7 (patch)
treeb8a6d4df74f1b318d8f3619a485845b99ddea3de /dpdk/dpdk-17.08_patches/0001-net-bonding-support-for-mlx.patch
parent50ec72111983ac4b3bf1d15d4382d9dca62d14ca (diff)
dpdk: patch to support bonded interface for MLX NIC
At present, creating bonding devices using --vdev is broken for PMD like mlx5 as it is neither UIO nor VFIO based and hence PMD driver is unknown to find_port_id_by_pci_addr(). This DPDK patch fixes parsing PCI ID from bonding device params by verifying it in RTE PCI bus, rather than checking dev->kdrv. Change-Id: If575f63ef31733102566610d769ddd212d74736a Signed-off-by: Steve Shin <jonshin@cisco.com>
Diffstat (limited to 'dpdk/dpdk-17.08_patches/0001-net-bonding-support-for-mlx.patch')
-rw-r--r--dpdk/dpdk-17.08_patches/0001-net-bonding-support-for-mlx.patch63
1 files changed, 63 insertions, 0 deletions
diff --git a/dpdk/dpdk-17.08_patches/0001-net-bonding-support-for-mlx.patch b/dpdk/dpdk-17.08_patches/0001-net-bonding-support-for-mlx.patch
new file mode 100644
index 00000000000..13a2ba67b0a
--- /dev/null
+++ b/dpdk/dpdk-17.08_patches/0001-net-bonding-support-for-mlx.patch
@@ -0,0 +1,63 @@
+diff --git a/drivers/net/bonding/rte_eth_bond_args.c b/drivers/net/bonding/rte_eth_bond_args.c
+index bb634c6..7c65dda 100644
+--- a/drivers/net/bonding/rte_eth_bond_args.c
++++ b/drivers/net/bonding/rte_eth_bond_args.c
+@@ -61,16 +61,6 @@
+ unsigned i;
+
+ for (i = 0; i < rte_eth_dev_count(); i++) {
+-
+- /* Currently populated by rte_eth_copy_pci_info().
+- *
+- * TODO: Once the PCI bus has arrived we should have a better
+- * way to test for being a PCI device or not.
+- */
+- if (rte_eth_devices[i].data->kdrv == RTE_KDRV_UNKNOWN ||
+- rte_eth_devices[i].data->kdrv == RTE_KDRV_NONE)
+- continue;
+-
+ pci_dev = RTE_ETH_DEV_TO_PCI(&rte_eth_devices[i]);
+ eth_pci_addr = &pci_dev->addr;
+
+@@ -98,6 +88,16 @@
+ return -1;
+ }
+
++static inline int
++pci_addr_cmp(const struct rte_device *dev, const void *_pci_addr)
++{
++ struct rte_pci_device *pdev;
++ const struct rte_pci_addr *paddr = _pci_addr;
++
++ pdev = RTE_DEV_TO_PCI(*(struct rte_device **)(void *)&dev);
++ return rte_eal_compare_pci_addr(&pdev->addr, paddr);
++}
++
+ /**
+ * Parses a port identifier string to a port id by pci address, then by name,
+ * and finally port id.
+@@ -106,10 +106,23 @@
+ parse_port_id(const char *port_str)
+ {
+ struct rte_pci_addr dev_addr;
++ struct rte_bus *pci_bus;
++ struct rte_device *dev;
+ int port_id;
+
++ pci_bus = rte_bus_find_by_name("pci");
++ if (pci_bus == NULL) {
++ RTE_LOG(ERR, PMD, "unable to find PCI bus\n");
++ return -1;
++ }
++
+ /* try parsing as pci address, physical devices */
+- if (eal_parse_pci_DomBDF(port_str, &dev_addr) == 0) {
++ if (pci_bus->parse(port_str, &dev_addr) == 0) {
++ dev = pci_bus->find_device(NULL, pci_addr_cmp, &dev_addr);
++ if (dev == NULL) {
++ RTE_LOG(ERR, PMD, "unable to find PCI device\n");
++ return -1;
++ }
+ port_id = find_port_id_by_pci_addr(&dev_addr);
+ if (port_id < 0)
+ return -1;